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1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#include <linux/slab.h>
29#include <linux/seq_file.h>
30#include <linux/firmware.h>
31#include <linux/platform_device.h>
32#include "drmP.h"
33#include "radeon_drm.h"
34#include "radeon.h"
35#include "radeon_asic.h"
36#include "radeon_mode.h"
37#include "r600d.h"
38#include "atom.h"
39#include "avivod.h"
40
41#define PFP_UCODE_SIZE 576
42#define PM4_UCODE_SIZE 1792
43#define RLC_UCODE_SIZE 768
44#define R700_PFP_UCODE_SIZE 848
45#define R700_PM4_UCODE_SIZE 1360
46#define R700_RLC_UCODE_SIZE 1024
47#define EVERGREEN_PFP_UCODE_SIZE 1120
48#define EVERGREEN_PM4_UCODE_SIZE 1376
49#define EVERGREEN_RLC_UCODE_SIZE 768
50#define CAYMAN_RLC_UCODE_SIZE 1024
51
52/* Firmware Names */
53MODULE_FIRMWARE("radeon/R600_pfp.bin");
54MODULE_FIRMWARE("radeon/R600_me.bin");
55MODULE_FIRMWARE("radeon/RV610_pfp.bin");
56MODULE_FIRMWARE("radeon/RV610_me.bin");
57MODULE_FIRMWARE("radeon/RV630_pfp.bin");
58MODULE_FIRMWARE("radeon/RV630_me.bin");
59MODULE_FIRMWARE("radeon/RV620_pfp.bin");
60MODULE_FIRMWARE("radeon/RV620_me.bin");
61MODULE_FIRMWARE("radeon/RV635_pfp.bin");
62MODULE_FIRMWARE("radeon/RV635_me.bin");
63MODULE_FIRMWARE("radeon/RV670_pfp.bin");
64MODULE_FIRMWARE("radeon/RV670_me.bin");
65MODULE_FIRMWARE("radeon/RS780_pfp.bin");
66MODULE_FIRMWARE("radeon/RS780_me.bin");
67MODULE_FIRMWARE("radeon/RV770_pfp.bin");
68MODULE_FIRMWARE("radeon/RV770_me.bin");
69MODULE_FIRMWARE("radeon/RV730_pfp.bin");
70MODULE_FIRMWARE("radeon/RV730_me.bin");
71MODULE_FIRMWARE("radeon/RV710_pfp.bin");
72MODULE_FIRMWARE("radeon/RV710_me.bin");
73MODULE_FIRMWARE("radeon/R600_rlc.bin");
74MODULE_FIRMWARE("radeon/R700_rlc.bin");
75MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
76MODULE_FIRMWARE("radeon/CEDAR_me.bin");
77MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
78MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
79MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
80MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
81MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
82MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
83MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
84MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
85MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
86MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
87MODULE_FIRMWARE("radeon/PALM_pfp.bin");
88MODULE_FIRMWARE("radeon/PALM_me.bin");
89MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
90MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
91MODULE_FIRMWARE("radeon/SUMO_me.bin");
92MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
93MODULE_FIRMWARE("radeon/SUMO2_me.bin");
94
95int r600_debugfs_mc_info_init(struct radeon_device *rdev);
96
97/* r600,rv610,rv630,rv620,rv635,rv670 */
98int r600_mc_wait_for_idle(struct radeon_device *rdev);
99void r600_gpu_init(struct radeon_device *rdev);
100void r600_fini(struct radeon_device *rdev);
101void r600_irq_disable(struct radeon_device *rdev);
102static void r600_pcie_gen2_enable(struct radeon_device *rdev);
103
104/* get temperature in millidegrees */
105int rv6xx_get_temp(struct radeon_device *rdev)
106{
107 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
108 ASIC_T_SHIFT;
109 int actual_temp = temp & 0xff;
110
111 if (temp & 0x100)
112 actual_temp -= 256;
113
114 return actual_temp * 1000;
115}
116
117void r600_pm_get_dynpm_state(struct radeon_device *rdev)
118{
119 int i;
120
121 rdev->pm.dynpm_can_upclock = true;
122 rdev->pm.dynpm_can_downclock = true;
123
124 /* power state array is low to high, default is first */
125 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
126 int min_power_state_index = 0;
127
128 if (rdev->pm.num_power_states > 2)
129 min_power_state_index = 1;
130
131 switch (rdev->pm.dynpm_planned_action) {
132 case DYNPM_ACTION_MINIMUM:
133 rdev->pm.requested_power_state_index = min_power_state_index;
134 rdev->pm.requested_clock_mode_index = 0;
135 rdev->pm.dynpm_can_downclock = false;
136 break;
137 case DYNPM_ACTION_DOWNCLOCK:
138 if (rdev->pm.current_power_state_index == min_power_state_index) {
139 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
140 rdev->pm.dynpm_can_downclock = false;
141 } else {
142 if (rdev->pm.active_crtc_count > 1) {
143 for (i = 0; i < rdev->pm.num_power_states; i++) {
144 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
145 continue;
146 else if (i >= rdev->pm.current_power_state_index) {
147 rdev->pm.requested_power_state_index =
148 rdev->pm.current_power_state_index;
149 break;
150 } else {
151 rdev->pm.requested_power_state_index = i;
152 break;
153 }
154 }
155 } else {
156 if (rdev->pm.current_power_state_index == 0)
157 rdev->pm.requested_power_state_index =
158 rdev->pm.num_power_states - 1;
159 else
160 rdev->pm.requested_power_state_index =
161 rdev->pm.current_power_state_index - 1;
162 }
163 }
164 rdev->pm.requested_clock_mode_index = 0;
165 /* don't use the power state if crtcs are active and no display flag is set */
166 if ((rdev->pm.active_crtc_count > 0) &&
167 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
168 clock_info[rdev->pm.requested_clock_mode_index].flags &
169 RADEON_PM_MODE_NO_DISPLAY)) {
170 rdev->pm.requested_power_state_index++;
171 }
172 break;
173 case DYNPM_ACTION_UPCLOCK:
174 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
175 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
176 rdev->pm.dynpm_can_upclock = false;
177 } else {
178 if (rdev->pm.active_crtc_count > 1) {
179 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
180 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
181 continue;
182 else if (i <= rdev->pm.current_power_state_index) {
183 rdev->pm.requested_power_state_index =
184 rdev->pm.current_power_state_index;
185 break;
186 } else {
187 rdev->pm.requested_power_state_index = i;
188 break;
189 }
190 }
191 } else
192 rdev->pm.requested_power_state_index =
193 rdev->pm.current_power_state_index + 1;
194 }
195 rdev->pm.requested_clock_mode_index = 0;
196 break;
197 case DYNPM_ACTION_DEFAULT:
198 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
199 rdev->pm.requested_clock_mode_index = 0;
200 rdev->pm.dynpm_can_upclock = false;
201 break;
202 case DYNPM_ACTION_NONE:
203 default:
204 DRM_ERROR("Requested mode for not defined action\n");
205 return;
206 }
207 } else {
208 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
209 /* for now just select the first power state and switch between clock modes */
210 /* power state array is low to high, default is first (0) */
211 if (rdev->pm.active_crtc_count > 1) {
212 rdev->pm.requested_power_state_index = -1;
213 /* start at 1 as we don't want the default mode */
214 for (i = 1; i < rdev->pm.num_power_states; i++) {
215 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
216 continue;
217 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
218 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
219 rdev->pm.requested_power_state_index = i;
220 break;
221 }
222 }
223 /* if nothing selected, grab the default state. */
224 if (rdev->pm.requested_power_state_index == -1)
225 rdev->pm.requested_power_state_index = 0;
226 } else
227 rdev->pm.requested_power_state_index = 1;
228
229 switch (rdev->pm.dynpm_planned_action) {
230 case DYNPM_ACTION_MINIMUM:
231 rdev->pm.requested_clock_mode_index = 0;
232 rdev->pm.dynpm_can_downclock = false;
233 break;
234 case DYNPM_ACTION_DOWNCLOCK:
235 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
236 if (rdev->pm.current_clock_mode_index == 0) {
237 rdev->pm.requested_clock_mode_index = 0;
238 rdev->pm.dynpm_can_downclock = false;
239 } else
240 rdev->pm.requested_clock_mode_index =
241 rdev->pm.current_clock_mode_index - 1;
242 } else {
243 rdev->pm.requested_clock_mode_index = 0;
244 rdev->pm.dynpm_can_downclock = false;
245 }
246 /* don't use the power state if crtcs are active and no display flag is set */
247 if ((rdev->pm.active_crtc_count > 0) &&
248 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
249 clock_info[rdev->pm.requested_clock_mode_index].flags &
250 RADEON_PM_MODE_NO_DISPLAY)) {
251 rdev->pm.requested_clock_mode_index++;
252 }
253 break;
254 case DYNPM_ACTION_UPCLOCK:
255 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
256 if (rdev->pm.current_clock_mode_index ==
257 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
258 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
259 rdev->pm.dynpm_can_upclock = false;
260 } else
261 rdev->pm.requested_clock_mode_index =
262 rdev->pm.current_clock_mode_index + 1;
263 } else {
264 rdev->pm.requested_clock_mode_index =
265 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
266 rdev->pm.dynpm_can_upclock = false;
267 }
268 break;
269 case DYNPM_ACTION_DEFAULT:
270 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
271 rdev->pm.requested_clock_mode_index = 0;
272 rdev->pm.dynpm_can_upclock = false;
273 break;
274 case DYNPM_ACTION_NONE:
275 default:
276 DRM_ERROR("Requested mode for not defined action\n");
277 return;
278 }
279 }
280
281 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
282 rdev->pm.power_state[rdev->pm.requested_power_state_index].
283 clock_info[rdev->pm.requested_clock_mode_index].sclk,
284 rdev->pm.power_state[rdev->pm.requested_power_state_index].
285 clock_info[rdev->pm.requested_clock_mode_index].mclk,
286 rdev->pm.power_state[rdev->pm.requested_power_state_index].
287 pcie_lanes);
288}
289
290static int r600_pm_get_type_index(struct radeon_device *rdev,
291 enum radeon_pm_state_type ps_type,
292 int instance)
293{
294 int i;
295 int found_instance = -1;
296
297 for (i = 0; i < rdev->pm.num_power_states; i++) {
298 if (rdev->pm.power_state[i].type == ps_type) {
299 found_instance++;
300 if (found_instance == instance)
301 return i;
302 }
303 }
304 /* return default if no match */
305 return rdev->pm.default_power_state_index;
306}
307
308void rs780_pm_init_profile(struct radeon_device *rdev)
309{
310 if (rdev->pm.num_power_states == 2) {
311 /* default */
312 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
313 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
314 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
315 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
316 /* low sh */
317 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
318 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
319 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
320 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
321 /* mid sh */
322 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
323 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
324 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
325 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
326 /* high sh */
327 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
328 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
329 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
330 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
331 /* low mh */
332 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
333 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
334 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
335 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
336 /* mid mh */
337 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
338 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
339 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
340 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
341 /* high mh */
342 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
343 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
344 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
345 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
346 } else if (rdev->pm.num_power_states == 3) {
347 /* default */
348 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
349 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
350 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
351 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
352 /* low sh */
353 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
354 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
355 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
356 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
357 /* mid sh */
358 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
359 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
360 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
361 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
362 /* high sh */
363 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
364 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
365 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
366 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
367 /* low mh */
368 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
369 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
370 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
371 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
372 /* mid mh */
373 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
374 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
375 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
376 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
377 /* high mh */
378 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
379 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
380 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
381 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
382 } else {
383 /* default */
384 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
385 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
386 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
387 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
388 /* low sh */
389 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
390 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
391 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
392 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
393 /* mid sh */
394 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
395 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
396 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
397 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
398 /* high sh */
399 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
400 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
401 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
402 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
403 /* low mh */
404 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
405 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
406 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
407 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
408 /* mid mh */
409 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
410 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
411 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
412 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
413 /* high mh */
414 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
415 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
416 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
417 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
418 }
419}
420
421void r600_pm_init_profile(struct radeon_device *rdev)
422{
423 if (rdev->family == CHIP_R600) {
424 /* XXX */
425 /* default */
426 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
427 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
428 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
429 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
430 /* low sh */
431 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
432 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
433 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
434 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
435 /* mid sh */
436 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
437 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
438 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
439 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
440 /* high sh */
441 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
442 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
443 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
444 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
445 /* low mh */
446 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
447 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
448 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
449 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
450 /* mid mh */
451 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
452 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
453 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
454 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
455 /* high mh */
456 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
457 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
458 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
459 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
460 } else {
461 if (rdev->pm.num_power_states < 4) {
462 /* default */
463 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
464 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
465 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
466 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
467 /* low sh */
468 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
469 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
470 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
471 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
472 /* mid sh */
473 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
474 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
475 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
476 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
477 /* high sh */
478 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
479 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
480 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
481 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
482 /* low mh */
483 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
484 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
485 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
486 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
487 /* low mh */
488 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
489 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
490 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
491 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
492 /* high mh */
493 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
494 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
495 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
496 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
497 } else {
498 /* default */
499 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
500 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
501 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
502 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
503 /* low sh */
504 if (rdev->flags & RADEON_IS_MOBILITY) {
505 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
506 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
507 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
508 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
509 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
510 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
511 } else {
512 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
513 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
514 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
515 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
516 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
517 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
518 }
519 /* mid sh */
520 if (rdev->flags & RADEON_IS_MOBILITY) {
521 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
522 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
523 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
524 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
525 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
526 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
527 } else {
528 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
529 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
530 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
531 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
532 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
533 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
534 }
535 /* high sh */
536 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
537 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
538 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
539 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
540 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
541 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
542 /* low mh */
543 if (rdev->flags & RADEON_IS_MOBILITY) {
544 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
545 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
546 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
547 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
548 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
549 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
550 } else {
551 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
552 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
553 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
554 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
555 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
556 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
557 }
558 /* mid mh */
559 if (rdev->flags & RADEON_IS_MOBILITY) {
560 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
561 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
562 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
563 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
564 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
565 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
566 } else {
567 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
568 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
569 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
570 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
571 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
572 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
573 }
574 /* high mh */
575 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
576 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
577 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
578 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
579 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
580 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
581 }
582 }
583}
584
585void r600_pm_misc(struct radeon_device *rdev)
586{
587 int req_ps_idx = rdev->pm.requested_power_state_index;
588 int req_cm_idx = rdev->pm.requested_clock_mode_index;
589 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
590 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
591
592 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
593 /* 0xff01 is a flag rather then an actual voltage */
594 if (voltage->voltage == 0xff01)
595 return;
596 if (voltage->voltage != rdev->pm.current_vddc) {
597 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
598 rdev->pm.current_vddc = voltage->voltage;
599 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
600 }
601 }
602}
603
604bool r600_gui_idle(struct radeon_device *rdev)
605{
606 if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
607 return false;
608 else
609 return true;
610}
611
612/* hpd for digital panel detect/disconnect */
613bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
614{
615 bool connected = false;
616
617 if (ASIC_IS_DCE3(rdev)) {
618 switch (hpd) {
619 case RADEON_HPD_1:
620 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
621 connected = true;
622 break;
623 case RADEON_HPD_2:
624 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
625 connected = true;
626 break;
627 case RADEON_HPD_3:
628 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
629 connected = true;
630 break;
631 case RADEON_HPD_4:
632 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
633 connected = true;
634 break;
635 /* DCE 3.2 */
636 case RADEON_HPD_5:
637 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
638 connected = true;
639 break;
640 case RADEON_HPD_6:
641 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
642 connected = true;
643 break;
644 default:
645 break;
646 }
647 } else {
648 switch (hpd) {
649 case RADEON_HPD_1:
650 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
651 connected = true;
652 break;
653 case RADEON_HPD_2:
654 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
655 connected = true;
656 break;
657 case RADEON_HPD_3:
658 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
659 connected = true;
660 break;
661 default:
662 break;
663 }
664 }
665 return connected;
666}
667
668void r600_hpd_set_polarity(struct radeon_device *rdev,
669 enum radeon_hpd_id hpd)
670{
671 u32 tmp;
672 bool connected = r600_hpd_sense(rdev, hpd);
673
674 if (ASIC_IS_DCE3(rdev)) {
675 switch (hpd) {
676 case RADEON_HPD_1:
677 tmp = RREG32(DC_HPD1_INT_CONTROL);
678 if (connected)
679 tmp &= ~DC_HPDx_INT_POLARITY;
680 else
681 tmp |= DC_HPDx_INT_POLARITY;
682 WREG32(DC_HPD1_INT_CONTROL, tmp);
683 break;
684 case RADEON_HPD_2:
685 tmp = RREG32(DC_HPD2_INT_CONTROL);
686 if (connected)
687 tmp &= ~DC_HPDx_INT_POLARITY;
688 else
689 tmp |= DC_HPDx_INT_POLARITY;
690 WREG32(DC_HPD2_INT_CONTROL, tmp);
691 break;
692 case RADEON_HPD_3:
693 tmp = RREG32(DC_HPD3_INT_CONTROL);
694 if (connected)
695 tmp &= ~DC_HPDx_INT_POLARITY;
696 else
697 tmp |= DC_HPDx_INT_POLARITY;
698 WREG32(DC_HPD3_INT_CONTROL, tmp);
699 break;
700 case RADEON_HPD_4:
701 tmp = RREG32(DC_HPD4_INT_CONTROL);
702 if (connected)
703 tmp &= ~DC_HPDx_INT_POLARITY;
704 else
705 tmp |= DC_HPDx_INT_POLARITY;
706 WREG32(DC_HPD4_INT_CONTROL, tmp);
707 break;
708 case RADEON_HPD_5:
709 tmp = RREG32(DC_HPD5_INT_CONTROL);
710 if (connected)
711 tmp &= ~DC_HPDx_INT_POLARITY;
712 else
713 tmp |= DC_HPDx_INT_POLARITY;
714 WREG32(DC_HPD5_INT_CONTROL, tmp);
715 break;
716 /* DCE 3.2 */
717 case RADEON_HPD_6:
718 tmp = RREG32(DC_HPD6_INT_CONTROL);
719 if (connected)
720 tmp &= ~DC_HPDx_INT_POLARITY;
721 else
722 tmp |= DC_HPDx_INT_POLARITY;
723 WREG32(DC_HPD6_INT_CONTROL, tmp);
724 break;
725 default:
726 break;
727 }
728 } else {
729 switch (hpd) {
730 case RADEON_HPD_1:
731 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
732 if (connected)
733 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
734 else
735 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
736 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
737 break;
738 case RADEON_HPD_2:
739 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
740 if (connected)
741 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
742 else
743 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
744 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
745 break;
746 case RADEON_HPD_3:
747 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
748 if (connected)
749 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
750 else
751 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
752 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
753 break;
754 default:
755 break;
756 }
757 }
758}
759
760void r600_hpd_init(struct radeon_device *rdev)
761{
762 struct drm_device *dev = rdev->ddev;
763 struct drm_connector *connector;
764
765 if (ASIC_IS_DCE3(rdev)) {
766 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
767 if (ASIC_IS_DCE32(rdev))
768 tmp |= DC_HPDx_EN;
769
770 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
771 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
772 switch (radeon_connector->hpd.hpd) {
773 case RADEON_HPD_1:
774 WREG32(DC_HPD1_CONTROL, tmp);
775 rdev->irq.hpd[0] = true;
776 break;
777 case RADEON_HPD_2:
778 WREG32(DC_HPD2_CONTROL, tmp);
779 rdev->irq.hpd[1] = true;
780 break;
781 case RADEON_HPD_3:
782 WREG32(DC_HPD3_CONTROL, tmp);
783 rdev->irq.hpd[2] = true;
784 break;
785 case RADEON_HPD_4:
786 WREG32(DC_HPD4_CONTROL, tmp);
787 rdev->irq.hpd[3] = true;
788 break;
789 /* DCE 3.2 */
790 case RADEON_HPD_5:
791 WREG32(DC_HPD5_CONTROL, tmp);
792 rdev->irq.hpd[4] = true;
793 break;
794 case RADEON_HPD_6:
795 WREG32(DC_HPD6_CONTROL, tmp);
796 rdev->irq.hpd[5] = true;
797 break;
798 default:
799 break;
800 }
801 }
802 } else {
803 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
804 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
805 switch (radeon_connector->hpd.hpd) {
806 case RADEON_HPD_1:
807 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
808 rdev->irq.hpd[0] = true;
809 break;
810 case RADEON_HPD_2:
811 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
812 rdev->irq.hpd[1] = true;
813 break;
814 case RADEON_HPD_3:
815 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
816 rdev->irq.hpd[2] = true;
817 break;
818 default:
819 break;
820 }
821 }
822 }
823 if (rdev->irq.installed)
824 r600_irq_set(rdev);
825}
826
827void r600_hpd_fini(struct radeon_device *rdev)
828{
829 struct drm_device *dev = rdev->ddev;
830 struct drm_connector *connector;
831
832 if (ASIC_IS_DCE3(rdev)) {
833 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
834 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
835 switch (radeon_connector->hpd.hpd) {
836 case RADEON_HPD_1:
837 WREG32(DC_HPD1_CONTROL, 0);
838 rdev->irq.hpd[0] = false;
839 break;
840 case RADEON_HPD_2:
841 WREG32(DC_HPD2_CONTROL, 0);
842 rdev->irq.hpd[1] = false;
843 break;
844 case RADEON_HPD_3:
845 WREG32(DC_HPD3_CONTROL, 0);
846 rdev->irq.hpd[2] = false;
847 break;
848 case RADEON_HPD_4:
849 WREG32(DC_HPD4_CONTROL, 0);
850 rdev->irq.hpd[3] = false;
851 break;
852 /* DCE 3.2 */
853 case RADEON_HPD_5:
854 WREG32(DC_HPD5_CONTROL, 0);
855 rdev->irq.hpd[4] = false;
856 break;
857 case RADEON_HPD_6:
858 WREG32(DC_HPD6_CONTROL, 0);
859 rdev->irq.hpd[5] = false;
860 break;
861 default:
862 break;
863 }
864 }
865 } else {
866 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
867 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
868 switch (radeon_connector->hpd.hpd) {
869 case RADEON_HPD_1:
870 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
871 rdev->irq.hpd[0] = false;
872 break;
873 case RADEON_HPD_2:
874 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
875 rdev->irq.hpd[1] = false;
876 break;
877 case RADEON_HPD_3:
878 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
879 rdev->irq.hpd[2] = false;
880 break;
881 default:
882 break;
883 }
884 }
885 }
886}
887
888/*
889 * R600 PCIE GART
890 */
891void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
892{
893 unsigned i;
894 u32 tmp;
895
896 /* flush hdp cache so updates hit vram */
897 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
898 !(rdev->flags & RADEON_IS_AGP)) {
899 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
900 u32 tmp;
901
902 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
903 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
904 * This seems to cause problems on some AGP cards. Just use the old
905 * method for them.
906 */
907 WREG32(HDP_DEBUG1, 0);
908 tmp = readl((void __iomem *)ptr);
909 } else
910 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
911
912 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
913 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
914 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
915 for (i = 0; i < rdev->usec_timeout; i++) {
916 /* read MC_STATUS */
917 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
918 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
919 if (tmp == 2) {
920 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
921 return;
922 }
923 if (tmp) {
924 return;
925 }
926 udelay(1);
927 }
928}
929
930int r600_pcie_gart_init(struct radeon_device *rdev)
931{
932 int r;
933
934 if (rdev->gart.table.vram.robj) {
935 WARN(1, "R600 PCIE GART already initialized\n");
936 return 0;
937 }
938 /* Initialize common gart structure */
939 r = radeon_gart_init(rdev);
940 if (r)
941 return r;
942 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
943 return radeon_gart_table_vram_alloc(rdev);
944}
945
946int r600_pcie_gart_enable(struct radeon_device *rdev)
947{
948 u32 tmp;
949 int r, i;
950
951 if (rdev->gart.table.vram.robj == NULL) {
952 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
953 return -EINVAL;
954 }
955 r = radeon_gart_table_vram_pin(rdev);
956 if (r)
957 return r;
958 radeon_gart_restore(rdev);
959
960 /* Setup L2 cache */
961 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
962 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
963 EFFECTIVE_L2_QUEUE_SIZE(7));
964 WREG32(VM_L2_CNTL2, 0);
965 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
966 /* Setup TLB control */
967 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
968 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
969 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
970 ENABLE_WAIT_L2_QUERY;
971 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
972 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
973 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
974 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
975 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
976 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
977 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
978 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
979 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
980 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
981 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
982 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
983 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
984 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
985 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
986 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
987 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
988 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
989 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
990 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
991 (u32)(rdev->dummy_page.addr >> 12));
992 for (i = 1; i < 7; i++)
993 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
994
995 r600_pcie_gart_tlb_flush(rdev);
996 rdev->gart.ready = true;
997 return 0;
998}
999
1000void r600_pcie_gart_disable(struct radeon_device *rdev)
1001{
1002 u32 tmp;
1003 int i, r;
1004
1005 /* Disable all tables */
1006 for (i = 0; i < 7; i++)
1007 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1008
1009 /* Disable L2 cache */
1010 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1011 EFFECTIVE_L2_QUEUE_SIZE(7));
1012 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1013 /* Setup L1 TLB control */
1014 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1015 ENABLE_WAIT_L2_QUERY;
1016 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1017 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1018 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1019 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1020 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1021 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1022 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1023 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1024 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1025 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1026 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1027 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1028 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1029 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1030 if (rdev->gart.table.vram.robj) {
1031 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
1032 if (likely(r == 0)) {
1033 radeon_bo_kunmap(rdev->gart.table.vram.robj);
1034 radeon_bo_unpin(rdev->gart.table.vram.robj);
1035 radeon_bo_unreserve(rdev->gart.table.vram.robj);
1036 }
1037 }
1038}
1039
1040void r600_pcie_gart_fini(struct radeon_device *rdev)
1041{
1042 radeon_gart_fini(rdev);
1043 r600_pcie_gart_disable(rdev);
1044 radeon_gart_table_vram_free(rdev);
1045}
1046
1047void r600_agp_enable(struct radeon_device *rdev)
1048{
1049 u32 tmp;
1050 int i;
1051
1052 /* Setup L2 cache */
1053 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1054 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1055 EFFECTIVE_L2_QUEUE_SIZE(7));
1056 WREG32(VM_L2_CNTL2, 0);
1057 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1058 /* Setup TLB control */
1059 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1060 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1061 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1062 ENABLE_WAIT_L2_QUERY;
1063 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1064 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1065 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1066 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1067 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1068 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1069 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1070 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1071 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1072 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1073 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1074 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1075 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1076 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1077 for (i = 0; i < 7; i++)
1078 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1079}
1080
1081int r600_mc_wait_for_idle(struct radeon_device *rdev)
1082{
1083 unsigned i;
1084 u32 tmp;
1085
1086 for (i = 0; i < rdev->usec_timeout; i++) {
1087 /* read MC_STATUS */
1088 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1089 if (!tmp)
1090 return 0;
1091 udelay(1);
1092 }
1093 return -1;
1094}
1095
1096static void r600_mc_program(struct radeon_device *rdev)
1097{
1098 struct rv515_mc_save save;
1099 u32 tmp;
1100 int i, j;
1101
1102 /* Initialize HDP */
1103 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1104 WREG32((0x2c14 + j), 0x00000000);
1105 WREG32((0x2c18 + j), 0x00000000);
1106 WREG32((0x2c1c + j), 0x00000000);
1107 WREG32((0x2c20 + j), 0x00000000);
1108 WREG32((0x2c24 + j), 0x00000000);
1109 }
1110 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1111
1112 rv515_mc_stop(rdev, &save);
1113 if (r600_mc_wait_for_idle(rdev)) {
1114 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1115 }
1116 /* Lockout access through VGA aperture (doesn't exist before R600) */
1117 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1118 /* Update configuration */
1119 if (rdev->flags & RADEON_IS_AGP) {
1120 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1121 /* VRAM before AGP */
1122 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1123 rdev->mc.vram_start >> 12);
1124 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1125 rdev->mc.gtt_end >> 12);
1126 } else {
1127 /* VRAM after AGP */
1128 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1129 rdev->mc.gtt_start >> 12);
1130 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1131 rdev->mc.vram_end >> 12);
1132 }
1133 } else {
1134 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1135 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1136 }
1137 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
1138 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1139 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1140 WREG32(MC_VM_FB_LOCATION, tmp);
1141 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1142 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1143 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1144 if (rdev->flags & RADEON_IS_AGP) {
1145 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1146 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1147 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1148 } else {
1149 WREG32(MC_VM_AGP_BASE, 0);
1150 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1151 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1152 }
1153 if (r600_mc_wait_for_idle(rdev)) {
1154 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1155 }
1156 rv515_mc_resume(rdev, &save);
1157 /* we need to own VRAM, so turn off the VGA renderer here
1158 * to stop it overwriting our objects */
1159 rv515_vga_render_disable(rdev);
1160}
1161
1162/**
1163 * r600_vram_gtt_location - try to find VRAM & GTT location
1164 * @rdev: radeon device structure holding all necessary informations
1165 * @mc: memory controller structure holding memory informations
1166 *
1167 * Function will place try to place VRAM at same place as in CPU (PCI)
1168 * address space as some GPU seems to have issue when we reprogram at
1169 * different address space.
1170 *
1171 * If there is not enough space to fit the unvisible VRAM after the
1172 * aperture then we limit the VRAM size to the aperture.
1173 *
1174 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1175 * them to be in one from GPU point of view so that we can program GPU to
1176 * catch access outside them (weird GPU policy see ??).
1177 *
1178 * This function will never fails, worst case are limiting VRAM or GTT.
1179 *
1180 * Note: GTT start, end, size should be initialized before calling this
1181 * function on AGP platform.
1182 */
1183static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1184{
1185 u64 size_bf, size_af;
1186
1187 if (mc->mc_vram_size > 0xE0000000) {
1188 /* leave room for at least 512M GTT */
1189 dev_warn(rdev->dev, "limiting VRAM\n");
1190 mc->real_vram_size = 0xE0000000;
1191 mc->mc_vram_size = 0xE0000000;
1192 }
1193 if (rdev->flags & RADEON_IS_AGP) {
1194 size_bf = mc->gtt_start;
1195 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1196 if (size_bf > size_af) {
1197 if (mc->mc_vram_size > size_bf) {
1198 dev_warn(rdev->dev, "limiting VRAM\n");
1199 mc->real_vram_size = size_bf;
1200 mc->mc_vram_size = size_bf;
1201 }
1202 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1203 } else {
1204 if (mc->mc_vram_size > size_af) {
1205 dev_warn(rdev->dev, "limiting VRAM\n");
1206 mc->real_vram_size = size_af;
1207 mc->mc_vram_size = size_af;
1208 }
1209 mc->vram_start = mc->gtt_end;
1210 }
1211 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1212 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1213 mc->mc_vram_size >> 20, mc->vram_start,
1214 mc->vram_end, mc->real_vram_size >> 20);
1215 } else {
1216 u64 base = 0;
1217 if (rdev->flags & RADEON_IS_IGP) {
1218 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1219 base <<= 24;
1220 }
1221 radeon_vram_location(rdev, &rdev->mc, base);
1222 rdev->mc.gtt_base_align = 0;
1223 radeon_gtt_location(rdev, mc);
1224 }
1225}
1226
1227int r600_mc_init(struct radeon_device *rdev)
1228{
1229 u32 tmp;
1230 int chansize, numchan;
1231
1232 /* Get VRAM informations */
1233 rdev->mc.vram_is_ddr = true;
1234 tmp = RREG32(RAMCFG);
1235 if (tmp & CHANSIZE_OVERRIDE) {
1236 chansize = 16;
1237 } else if (tmp & CHANSIZE_MASK) {
1238 chansize = 64;
1239 } else {
1240 chansize = 32;
1241 }
1242 tmp = RREG32(CHMAP);
1243 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1244 case 0:
1245 default:
1246 numchan = 1;
1247 break;
1248 case 1:
1249 numchan = 2;
1250 break;
1251 case 2:
1252 numchan = 4;
1253 break;
1254 case 3:
1255 numchan = 8;
1256 break;
1257 }
1258 rdev->mc.vram_width = numchan * chansize;
1259 /* Could aper size report 0 ? */
1260 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1261 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1262 /* Setup GPU memory space */
1263 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1264 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1265 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1266 r600_vram_gtt_location(rdev, &rdev->mc);
1267
1268 if (rdev->flags & RADEON_IS_IGP) {
1269 rs690_pm_info(rdev);
1270 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1271 }
1272 radeon_update_bandwidth_info(rdev);
1273 return 0;
1274}
1275
1276/* We doesn't check that the GPU really needs a reset we simply do the
1277 * reset, it's up to the caller to determine if the GPU needs one. We
1278 * might add an helper function to check that.
1279 */
1280int r600_gpu_soft_reset(struct radeon_device *rdev)
1281{
1282 struct rv515_mc_save save;
1283 u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
1284 S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
1285 S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
1286 S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) |
1287 S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) |
1288 S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) |
1289 S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) |
1290 S_008010_GUI_ACTIVE(1);
1291 u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) |
1292 S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) |
1293 S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) |
1294 S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) |
1295 S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) |
1296 S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
1297 S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
1298 S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
1299 u32 tmp;
1300
1301 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1302 return 0;
1303
1304 dev_info(rdev->dev, "GPU softreset \n");
1305 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
1306 RREG32(R_008010_GRBM_STATUS));
1307 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n",
1308 RREG32(R_008014_GRBM_STATUS2));
1309 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n",
1310 RREG32(R_000E50_SRBM_STATUS));
1311 rv515_mc_stop(rdev, &save);
1312 if (r600_mc_wait_for_idle(rdev)) {
1313 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1314 }
1315 /* Disable CP parsing/prefetching */
1316 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1317 /* Check if any of the rendering block is busy and reset it */
1318 if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
1319 (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
1320 tmp = S_008020_SOFT_RESET_CR(1) |
1321 S_008020_SOFT_RESET_DB(1) |
1322 S_008020_SOFT_RESET_CB(1) |
1323 S_008020_SOFT_RESET_PA(1) |
1324 S_008020_SOFT_RESET_SC(1) |
1325 S_008020_SOFT_RESET_SMX(1) |
1326 S_008020_SOFT_RESET_SPI(1) |
1327 S_008020_SOFT_RESET_SX(1) |
1328 S_008020_SOFT_RESET_SH(1) |
1329 S_008020_SOFT_RESET_TC(1) |
1330 S_008020_SOFT_RESET_TA(1) |
1331 S_008020_SOFT_RESET_VC(1) |
1332 S_008020_SOFT_RESET_VGT(1);
1333 dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1334 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1335 RREG32(R_008020_GRBM_SOFT_RESET);
1336 mdelay(15);
1337 WREG32(R_008020_GRBM_SOFT_RESET, 0);
1338 }
1339 /* Reset CP (we always reset CP) */
1340 tmp = S_008020_SOFT_RESET_CP(1);
1341 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1342 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1343 RREG32(R_008020_GRBM_SOFT_RESET);
1344 mdelay(15);
1345 WREG32(R_008020_GRBM_SOFT_RESET, 0);
1346 /* Wait a little for things to settle down */
1347 mdelay(1);
1348 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
1349 RREG32(R_008010_GRBM_STATUS));
1350 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n",
1351 RREG32(R_008014_GRBM_STATUS2));
1352 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n",
1353 RREG32(R_000E50_SRBM_STATUS));
1354 rv515_mc_resume(rdev, &save);
1355 return 0;
1356}
1357
1358bool r600_gpu_is_lockup(struct radeon_device *rdev)
1359{
1360 u32 srbm_status;
1361 u32 grbm_status;
1362 u32 grbm_status2;
1363 struct r100_gpu_lockup *lockup;
1364 int r;
1365
1366 if (rdev->family >= CHIP_RV770)
1367 lockup = &rdev->config.rv770.lockup;
1368 else
1369 lockup = &rdev->config.r600.lockup;
1370
1371 srbm_status = RREG32(R_000E50_SRBM_STATUS);
1372 grbm_status = RREG32(R_008010_GRBM_STATUS);
1373 grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
1374 if (!G_008010_GUI_ACTIVE(grbm_status)) {
1375 r100_gpu_lockup_update(lockup, &rdev->cp);
1376 return false;
1377 }
1378 /* force CP activities */
1379 r = radeon_ring_lock(rdev, 2);
1380 if (!r) {
1381 /* PACKET2 NOP */
1382 radeon_ring_write(rdev, 0x80000000);
1383 radeon_ring_write(rdev, 0x80000000);
1384 radeon_ring_unlock_commit(rdev);
1385 }
1386 rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
1387 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1388}
1389
1390int r600_asic_reset(struct radeon_device *rdev)
1391{
1392 return r600_gpu_soft_reset(rdev);
1393}
1394
1395static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
1396 u32 num_backends,
1397 u32 backend_disable_mask)
1398{
1399 u32 backend_map = 0;
1400 u32 enabled_backends_mask;
1401 u32 enabled_backends_count;
1402 u32 cur_pipe;
1403 u32 swizzle_pipe[R6XX_MAX_PIPES];
1404 u32 cur_backend;
1405 u32 i;
1406
1407 if (num_tile_pipes > R6XX_MAX_PIPES)
1408 num_tile_pipes = R6XX_MAX_PIPES;
1409 if (num_tile_pipes < 1)
1410 num_tile_pipes = 1;
1411 if (num_backends > R6XX_MAX_BACKENDS)
1412 num_backends = R6XX_MAX_BACKENDS;
1413 if (num_backends < 1)
1414 num_backends = 1;
1415
1416 enabled_backends_mask = 0;
1417 enabled_backends_count = 0;
1418 for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
1419 if (((backend_disable_mask >> i) & 1) == 0) {
1420 enabled_backends_mask |= (1 << i);
1421 ++enabled_backends_count;
1422 }
1423 if (enabled_backends_count == num_backends)
1424 break;
1425 }
1426
1427 if (enabled_backends_count == 0) {
1428 enabled_backends_mask = 1;
1429 enabled_backends_count = 1;
1430 }
1431
1432 if (enabled_backends_count != num_backends)
1433 num_backends = enabled_backends_count;
1434
1435 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
1436 switch (num_tile_pipes) {
1437 case 1:
1438 swizzle_pipe[0] = 0;
1439 break;
1440 case 2:
1441 swizzle_pipe[0] = 0;
1442 swizzle_pipe[1] = 1;
1443 break;
1444 case 3:
1445 swizzle_pipe[0] = 0;
1446 swizzle_pipe[1] = 1;
1447 swizzle_pipe[2] = 2;
1448 break;
1449 case 4:
1450 swizzle_pipe[0] = 0;
1451 swizzle_pipe[1] = 1;
1452 swizzle_pipe[2] = 2;
1453 swizzle_pipe[3] = 3;
1454 break;
1455 case 5:
1456 swizzle_pipe[0] = 0;
1457 swizzle_pipe[1] = 1;
1458 swizzle_pipe[2] = 2;
1459 swizzle_pipe[3] = 3;
1460 swizzle_pipe[4] = 4;
1461 break;
1462 case 6:
1463 swizzle_pipe[0] = 0;
1464 swizzle_pipe[1] = 2;
1465 swizzle_pipe[2] = 4;
1466 swizzle_pipe[3] = 5;
1467 swizzle_pipe[4] = 1;
1468 swizzle_pipe[5] = 3;
1469 break;
1470 case 7:
1471 swizzle_pipe[0] = 0;
1472 swizzle_pipe[1] = 2;
1473 swizzle_pipe[2] = 4;
1474 swizzle_pipe[3] = 6;
1475 swizzle_pipe[4] = 1;
1476 swizzle_pipe[5] = 3;
1477 swizzle_pipe[6] = 5;
1478 break;
1479 case 8:
1480 swizzle_pipe[0] = 0;
1481 swizzle_pipe[1] = 2;
1482 swizzle_pipe[2] = 4;
1483 swizzle_pipe[3] = 6;
1484 swizzle_pipe[4] = 1;
1485 swizzle_pipe[5] = 3;
1486 swizzle_pipe[6] = 5;
1487 swizzle_pipe[7] = 7;
1488 break;
1489 }
1490
1491 cur_backend = 0;
1492 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1493 while (((1 << cur_backend) & enabled_backends_mask) == 0)
1494 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1495
1496 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1497
1498 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1499 }
1500
1501 return backend_map;
1502}
1503
1504int r600_count_pipe_bits(uint32_t val)
1505{
1506 int i, ret = 0;
1507
1508 for (i = 0; i < 32; i++) {
1509 ret += val & 1;
1510 val >>= 1;
1511 }
1512 return ret;
1513}
1514
1515void r600_gpu_init(struct radeon_device *rdev)
1516{
1517 u32 tiling_config;
1518 u32 ramcfg;
1519 u32 backend_map;
1520 u32 cc_rb_backend_disable;
1521 u32 cc_gc_shader_pipe_config;
1522 u32 tmp;
1523 int i, j;
1524 u32 sq_config;
1525 u32 sq_gpr_resource_mgmt_1 = 0;
1526 u32 sq_gpr_resource_mgmt_2 = 0;
1527 u32 sq_thread_resource_mgmt = 0;
1528 u32 sq_stack_resource_mgmt_1 = 0;
1529 u32 sq_stack_resource_mgmt_2 = 0;
1530
1531 /* FIXME: implement */
1532 switch (rdev->family) {
1533 case CHIP_R600:
1534 rdev->config.r600.max_pipes = 4;
1535 rdev->config.r600.max_tile_pipes = 8;
1536 rdev->config.r600.max_simds = 4;
1537 rdev->config.r600.max_backends = 4;
1538 rdev->config.r600.max_gprs = 256;
1539 rdev->config.r600.max_threads = 192;
1540 rdev->config.r600.max_stack_entries = 256;
1541 rdev->config.r600.max_hw_contexts = 8;
1542 rdev->config.r600.max_gs_threads = 16;
1543 rdev->config.r600.sx_max_export_size = 128;
1544 rdev->config.r600.sx_max_export_pos_size = 16;
1545 rdev->config.r600.sx_max_export_smx_size = 128;
1546 rdev->config.r600.sq_num_cf_insts = 2;
1547 break;
1548 case CHIP_RV630:
1549 case CHIP_RV635:
1550 rdev->config.r600.max_pipes = 2;
1551 rdev->config.r600.max_tile_pipes = 2;
1552 rdev->config.r600.max_simds = 3;
1553 rdev->config.r600.max_backends = 1;
1554 rdev->config.r600.max_gprs = 128;
1555 rdev->config.r600.max_threads = 192;
1556 rdev->config.r600.max_stack_entries = 128;
1557 rdev->config.r600.max_hw_contexts = 8;
1558 rdev->config.r600.max_gs_threads = 4;
1559 rdev->config.r600.sx_max_export_size = 128;
1560 rdev->config.r600.sx_max_export_pos_size = 16;
1561 rdev->config.r600.sx_max_export_smx_size = 128;
1562 rdev->config.r600.sq_num_cf_insts = 2;
1563 break;
1564 case CHIP_RV610:
1565 case CHIP_RV620:
1566 case CHIP_RS780:
1567 case CHIP_RS880:
1568 rdev->config.r600.max_pipes = 1;
1569 rdev->config.r600.max_tile_pipes = 1;
1570 rdev->config.r600.max_simds = 2;
1571 rdev->config.r600.max_backends = 1;
1572 rdev->config.r600.max_gprs = 128;
1573 rdev->config.r600.max_threads = 192;
1574 rdev->config.r600.max_stack_entries = 128;
1575 rdev->config.r600.max_hw_contexts = 4;
1576 rdev->config.r600.max_gs_threads = 4;
1577 rdev->config.r600.sx_max_export_size = 128;
1578 rdev->config.r600.sx_max_export_pos_size = 16;
1579 rdev->config.r600.sx_max_export_smx_size = 128;
1580 rdev->config.r600.sq_num_cf_insts = 1;
1581 break;
1582 case CHIP_RV670:
1583 rdev->config.r600.max_pipes = 4;
1584 rdev->config.r600.max_tile_pipes = 4;
1585 rdev->config.r600.max_simds = 4;
1586 rdev->config.r600.max_backends = 4;
1587 rdev->config.r600.max_gprs = 192;
1588 rdev->config.r600.max_threads = 192;
1589 rdev->config.r600.max_stack_entries = 256;
1590 rdev->config.r600.max_hw_contexts = 8;
1591 rdev->config.r600.max_gs_threads = 16;
1592 rdev->config.r600.sx_max_export_size = 128;
1593 rdev->config.r600.sx_max_export_pos_size = 16;
1594 rdev->config.r600.sx_max_export_smx_size = 128;
1595 rdev->config.r600.sq_num_cf_insts = 2;
1596 break;
1597 default:
1598 break;
1599 }
1600
1601 /* Initialize HDP */
1602 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1603 WREG32((0x2c14 + j), 0x00000000);
1604 WREG32((0x2c18 + j), 0x00000000);
1605 WREG32((0x2c1c + j), 0x00000000);
1606 WREG32((0x2c20 + j), 0x00000000);
1607 WREG32((0x2c24 + j), 0x00000000);
1608 }
1609
1610 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1611
1612 /* Setup tiling */
1613 tiling_config = 0;
1614 ramcfg = RREG32(RAMCFG);
1615 switch (rdev->config.r600.max_tile_pipes) {
1616 case 1:
1617 tiling_config |= PIPE_TILING(0);
1618 break;
1619 case 2:
1620 tiling_config |= PIPE_TILING(1);
1621 break;
1622 case 4:
1623 tiling_config |= PIPE_TILING(2);
1624 break;
1625 case 8:
1626 tiling_config |= PIPE_TILING(3);
1627 break;
1628 default:
1629 break;
1630 }
1631 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1632 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1633 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1634 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1635 if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
1636 rdev->config.r600.tiling_group_size = 512;
1637 else
1638 rdev->config.r600.tiling_group_size = 256;
1639 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1640 if (tmp > 3) {
1641 tiling_config |= ROW_TILING(3);
1642 tiling_config |= SAMPLE_SPLIT(3);
1643 } else {
1644 tiling_config |= ROW_TILING(tmp);
1645 tiling_config |= SAMPLE_SPLIT(tmp);
1646 }
1647 tiling_config |= BANK_SWAPS(1);
1648
1649 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1650 cc_rb_backend_disable |=
1651 BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
1652
1653 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1654 cc_gc_shader_pipe_config |=
1655 INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
1656 cc_gc_shader_pipe_config |=
1657 INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
1658
1659 backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
1660 (R6XX_MAX_BACKENDS -
1661 r600_count_pipe_bits((cc_rb_backend_disable &
1662 R6XX_MAX_BACKENDS_MASK) >> 16)),
1663 (cc_rb_backend_disable >> 16));
1664 rdev->config.r600.tile_config = tiling_config;
1665 rdev->config.r600.backend_map = backend_map;
1666 tiling_config |= BACKEND_MAP(backend_map);
1667 WREG32(GB_TILING_CONFIG, tiling_config);
1668 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1669 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1670
1671 /* Setup pipes */
1672 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1673 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1674 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1675
1676 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1677 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1678 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1679
1680 /* Setup some CP states */
1681 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1682 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1683
1684 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1685 SYNC_WALKER | SYNC_ALIGNER));
1686 /* Setup various GPU states */
1687 if (rdev->family == CHIP_RV670)
1688 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1689
1690 tmp = RREG32(SX_DEBUG_1);
1691 tmp |= SMX_EVENT_RELEASE;
1692 if ((rdev->family > CHIP_R600))
1693 tmp |= ENABLE_NEW_SMX_ADDRESS;
1694 WREG32(SX_DEBUG_1, tmp);
1695
1696 if (((rdev->family) == CHIP_R600) ||
1697 ((rdev->family) == CHIP_RV630) ||
1698 ((rdev->family) == CHIP_RV610) ||
1699 ((rdev->family) == CHIP_RV620) ||
1700 ((rdev->family) == CHIP_RS780) ||
1701 ((rdev->family) == CHIP_RS880)) {
1702 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1703 } else {
1704 WREG32(DB_DEBUG, 0);
1705 }
1706 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1707 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1708
1709 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1710 WREG32(VGT_NUM_INSTANCES, 0);
1711
1712 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1713 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1714
1715 tmp = RREG32(SQ_MS_FIFO_SIZES);
1716 if (((rdev->family) == CHIP_RV610) ||
1717 ((rdev->family) == CHIP_RV620) ||
1718 ((rdev->family) == CHIP_RS780) ||
1719 ((rdev->family) == CHIP_RS880)) {
1720 tmp = (CACHE_FIFO_SIZE(0xa) |
1721 FETCH_FIFO_HIWATER(0xa) |
1722 DONE_FIFO_HIWATER(0xe0) |
1723 ALU_UPDATE_FIFO_HIWATER(0x8));
1724 } else if (((rdev->family) == CHIP_R600) ||
1725 ((rdev->family) == CHIP_RV630)) {
1726 tmp &= ~DONE_FIFO_HIWATER(0xff);
1727 tmp |= DONE_FIFO_HIWATER(0x4);
1728 }
1729 WREG32(SQ_MS_FIFO_SIZES, tmp);
1730
1731 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1732 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
1733 */
1734 sq_config = RREG32(SQ_CONFIG);
1735 sq_config &= ~(PS_PRIO(3) |
1736 VS_PRIO(3) |
1737 GS_PRIO(3) |
1738 ES_PRIO(3));
1739 sq_config |= (DX9_CONSTS |
1740 VC_ENABLE |
1741 PS_PRIO(0) |
1742 VS_PRIO(1) |
1743 GS_PRIO(2) |
1744 ES_PRIO(3));
1745
1746 if ((rdev->family) == CHIP_R600) {
1747 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1748 NUM_VS_GPRS(124) |
1749 NUM_CLAUSE_TEMP_GPRS(4));
1750 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1751 NUM_ES_GPRS(0));
1752 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1753 NUM_VS_THREADS(48) |
1754 NUM_GS_THREADS(4) |
1755 NUM_ES_THREADS(4));
1756 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1757 NUM_VS_STACK_ENTRIES(128));
1758 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1759 NUM_ES_STACK_ENTRIES(0));
1760 } else if (((rdev->family) == CHIP_RV610) ||
1761 ((rdev->family) == CHIP_RV620) ||
1762 ((rdev->family) == CHIP_RS780) ||
1763 ((rdev->family) == CHIP_RS880)) {
1764 /* no vertex cache */
1765 sq_config &= ~VC_ENABLE;
1766
1767 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1768 NUM_VS_GPRS(44) |
1769 NUM_CLAUSE_TEMP_GPRS(2));
1770 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1771 NUM_ES_GPRS(17));
1772 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1773 NUM_VS_THREADS(78) |
1774 NUM_GS_THREADS(4) |
1775 NUM_ES_THREADS(31));
1776 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1777 NUM_VS_STACK_ENTRIES(40));
1778 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1779 NUM_ES_STACK_ENTRIES(16));
1780 } else if (((rdev->family) == CHIP_RV630) ||
1781 ((rdev->family) == CHIP_RV635)) {
1782 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1783 NUM_VS_GPRS(44) |
1784 NUM_CLAUSE_TEMP_GPRS(2));
1785 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1786 NUM_ES_GPRS(18));
1787 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1788 NUM_VS_THREADS(78) |
1789 NUM_GS_THREADS(4) |
1790 NUM_ES_THREADS(31));
1791 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1792 NUM_VS_STACK_ENTRIES(40));
1793 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1794 NUM_ES_STACK_ENTRIES(16));
1795 } else if ((rdev->family) == CHIP_RV670) {
1796 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1797 NUM_VS_GPRS(44) |
1798 NUM_CLAUSE_TEMP_GPRS(2));
1799 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1800 NUM_ES_GPRS(17));
1801 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1802 NUM_VS_THREADS(78) |
1803 NUM_GS_THREADS(4) |
1804 NUM_ES_THREADS(31));
1805 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1806 NUM_VS_STACK_ENTRIES(64));
1807 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1808 NUM_ES_STACK_ENTRIES(64));
1809 }
1810
1811 WREG32(SQ_CONFIG, sq_config);
1812 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1813 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1814 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1815 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1816 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1817
1818 if (((rdev->family) == CHIP_RV610) ||
1819 ((rdev->family) == CHIP_RV620) ||
1820 ((rdev->family) == CHIP_RS780) ||
1821 ((rdev->family) == CHIP_RS880)) {
1822 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
1823 } else {
1824 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
1825 }
1826
1827 /* More default values. 2D/3D driver should adjust as needed */
1828 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
1829 S1_X(0x4) | S1_Y(0xc)));
1830 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
1831 S1_X(0x2) | S1_Y(0x2) |
1832 S2_X(0xa) | S2_Y(0x6) |
1833 S3_X(0x6) | S3_Y(0xa)));
1834 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
1835 S1_X(0x4) | S1_Y(0xc) |
1836 S2_X(0x1) | S2_Y(0x6) |
1837 S3_X(0xa) | S3_Y(0xe)));
1838 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
1839 S5_X(0x0) | S5_Y(0x0) |
1840 S6_X(0xb) | S6_Y(0x4) |
1841 S7_X(0x7) | S7_Y(0x8)));
1842
1843 WREG32(VGT_STRMOUT_EN, 0);
1844 tmp = rdev->config.r600.max_pipes * 16;
1845 switch (rdev->family) {
1846 case CHIP_RV610:
1847 case CHIP_RV620:
1848 case CHIP_RS780:
1849 case CHIP_RS880:
1850 tmp += 32;
1851 break;
1852 case CHIP_RV670:
1853 tmp += 128;
1854 break;
1855 default:
1856 break;
1857 }
1858 if (tmp > 256) {
1859 tmp = 256;
1860 }
1861 WREG32(VGT_ES_PER_GS, 128);
1862 WREG32(VGT_GS_PER_ES, tmp);
1863 WREG32(VGT_GS_PER_VS, 2);
1864 WREG32(VGT_GS_VERTEX_REUSE, 16);
1865
1866 /* more default values. 2D/3D driver should adjust as needed */
1867 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1868 WREG32(VGT_STRMOUT_EN, 0);
1869 WREG32(SX_MISC, 0);
1870 WREG32(PA_SC_MODE_CNTL, 0);
1871 WREG32(PA_SC_AA_CONFIG, 0);
1872 WREG32(PA_SC_LINE_STIPPLE, 0);
1873 WREG32(SPI_INPUT_Z, 0);
1874 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1875 WREG32(CB_COLOR7_FRAG, 0);
1876
1877 /* Clear render buffer base addresses */
1878 WREG32(CB_COLOR0_BASE, 0);
1879 WREG32(CB_COLOR1_BASE, 0);
1880 WREG32(CB_COLOR2_BASE, 0);
1881 WREG32(CB_COLOR3_BASE, 0);
1882 WREG32(CB_COLOR4_BASE, 0);
1883 WREG32(CB_COLOR5_BASE, 0);
1884 WREG32(CB_COLOR6_BASE, 0);
1885 WREG32(CB_COLOR7_BASE, 0);
1886 WREG32(CB_COLOR7_FRAG, 0);
1887
1888 switch (rdev->family) {
1889 case CHIP_RV610:
1890 case CHIP_RV620:
1891 case CHIP_RS780:
1892 case CHIP_RS880:
1893 tmp = TC_L2_SIZE(8);
1894 break;
1895 case CHIP_RV630:
1896 case CHIP_RV635:
1897 tmp = TC_L2_SIZE(4);
1898 break;
1899 case CHIP_R600:
1900 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
1901 break;
1902 default:
1903 tmp = TC_L2_SIZE(0);
1904 break;
1905 }
1906 WREG32(TC_CNTL, tmp);
1907
1908 tmp = RREG32(HDP_HOST_PATH_CNTL);
1909 WREG32(HDP_HOST_PATH_CNTL, tmp);
1910
1911 tmp = RREG32(ARB_POP);
1912 tmp |= ENABLE_TC128;
1913 WREG32(ARB_POP, tmp);
1914
1915 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1916 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1917 NUM_CLIP_SEQ(3)));
1918 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
1919}
1920
1921
1922/*
1923 * Indirect registers accessor
1924 */
1925u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
1926{
1927 u32 r;
1928
1929 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1930 (void)RREG32(PCIE_PORT_INDEX);
1931 r = RREG32(PCIE_PORT_DATA);
1932 return r;
1933}
1934
1935void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1936{
1937 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1938 (void)RREG32(PCIE_PORT_INDEX);
1939 WREG32(PCIE_PORT_DATA, (v));
1940 (void)RREG32(PCIE_PORT_DATA);
1941}
1942
1943/*
1944 * CP & Ring
1945 */
1946void r600_cp_stop(struct radeon_device *rdev)
1947{
1948 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1949 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1950 WREG32(SCRATCH_UMSK, 0);
1951}
1952
1953int r600_init_microcode(struct radeon_device *rdev)
1954{
1955 struct platform_device *pdev;
1956 const char *chip_name;
1957 const char *rlc_chip_name;
1958 size_t pfp_req_size, me_req_size, rlc_req_size;
1959 char fw_name[30];
1960 int err;
1961
1962 DRM_DEBUG("\n");
1963
1964 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
1965 err = IS_ERR(pdev);
1966 if (err) {
1967 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1968 return -EINVAL;
1969 }
1970
1971 switch (rdev->family) {
1972 case CHIP_R600:
1973 chip_name = "R600";
1974 rlc_chip_name = "R600";
1975 break;
1976 case CHIP_RV610:
1977 chip_name = "RV610";
1978 rlc_chip_name = "R600";
1979 break;
1980 case CHIP_RV630:
1981 chip_name = "RV630";
1982 rlc_chip_name = "R600";
1983 break;
1984 case CHIP_RV620:
1985 chip_name = "RV620";
1986 rlc_chip_name = "R600";
1987 break;
1988 case CHIP_RV635:
1989 chip_name = "RV635";
1990 rlc_chip_name = "R600";
1991 break;
1992 case CHIP_RV670:
1993 chip_name = "RV670";
1994 rlc_chip_name = "R600";
1995 break;
1996 case CHIP_RS780:
1997 case CHIP_RS880:
1998 chip_name = "RS780";
1999 rlc_chip_name = "R600";
2000 break;
2001 case CHIP_RV770:
2002 chip_name = "RV770";
2003 rlc_chip_name = "R700";
2004 break;
2005 case CHIP_RV730:
2006 case CHIP_RV740:
2007 chip_name = "RV730";
2008 rlc_chip_name = "R700";
2009 break;
2010 case CHIP_RV710:
2011 chip_name = "RV710";
2012 rlc_chip_name = "R700";
2013 break;
2014 case CHIP_CEDAR:
2015 chip_name = "CEDAR";
2016 rlc_chip_name = "CEDAR";
2017 break;
2018 case CHIP_REDWOOD:
2019 chip_name = "REDWOOD";
2020 rlc_chip_name = "REDWOOD";
2021 break;
2022 case CHIP_JUNIPER:
2023 chip_name = "JUNIPER";
2024 rlc_chip_name = "JUNIPER";
2025 break;
2026 case CHIP_CYPRESS:
2027 case CHIP_HEMLOCK:
2028 chip_name = "CYPRESS";
2029 rlc_chip_name = "CYPRESS";
2030 break;
2031 case CHIP_PALM:
2032 chip_name = "PALM";
2033 rlc_chip_name = "SUMO";
2034 break;
2035 case CHIP_SUMO:
2036 chip_name = "SUMO";
2037 rlc_chip_name = "SUMO";
2038 break;
2039 case CHIP_SUMO2:
2040 chip_name = "SUMO2";
2041 rlc_chip_name = "SUMO";
2042 break;
2043 default: BUG();
2044 }
2045
2046 if (rdev->family >= CHIP_CEDAR) {
2047 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2048 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2049 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2050 } else if (rdev->family >= CHIP_RV770) {
2051 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2052 me_req_size = R700_PM4_UCODE_SIZE * 4;
2053 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2054 } else {
2055 pfp_req_size = PFP_UCODE_SIZE * 4;
2056 me_req_size = PM4_UCODE_SIZE * 12;
2057 rlc_req_size = RLC_UCODE_SIZE * 4;
2058 }
2059
2060 DRM_INFO("Loading %s Microcode\n", chip_name);
2061
2062 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2063 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
2064 if (err)
2065 goto out;
2066 if (rdev->pfp_fw->size != pfp_req_size) {
2067 printk(KERN_ERR
2068 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2069 rdev->pfp_fw->size, fw_name);
2070 err = -EINVAL;
2071 goto out;
2072 }
2073
2074 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2075 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
2076 if (err)
2077 goto out;
2078 if (rdev->me_fw->size != me_req_size) {
2079 printk(KERN_ERR
2080 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2081 rdev->me_fw->size, fw_name);
2082 err = -EINVAL;
2083 }
2084
2085 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2086 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
2087 if (err)
2088 goto out;
2089 if (rdev->rlc_fw->size != rlc_req_size) {
2090 printk(KERN_ERR
2091 "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2092 rdev->rlc_fw->size, fw_name);
2093 err = -EINVAL;
2094 }
2095
2096out:
2097 platform_device_unregister(pdev);
2098
2099 if (err) {
2100 if (err != -EINVAL)
2101 printk(KERN_ERR
2102 "r600_cp: Failed to load firmware \"%s\"\n",
2103 fw_name);
2104 release_firmware(rdev->pfp_fw);
2105 rdev->pfp_fw = NULL;
2106 release_firmware(rdev->me_fw);
2107 rdev->me_fw = NULL;
2108 release_firmware(rdev->rlc_fw);
2109 rdev->rlc_fw = NULL;
2110 }
2111 return err;
2112}
2113
2114static int r600_cp_load_microcode(struct radeon_device *rdev)
2115{
2116 const __be32 *fw_data;
2117 int i;
2118
2119 if (!rdev->me_fw || !rdev->pfp_fw)
2120 return -EINVAL;
2121
2122 r600_cp_stop(rdev);
2123
2124 WREG32(CP_RB_CNTL,
2125#ifdef __BIG_ENDIAN
2126 BUF_SWAP_32BIT |
2127#endif
2128 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2129
2130 /* Reset cp */
2131 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2132 RREG32(GRBM_SOFT_RESET);
2133 mdelay(15);
2134 WREG32(GRBM_SOFT_RESET, 0);
2135
2136 WREG32(CP_ME_RAM_WADDR, 0);
2137
2138 fw_data = (const __be32 *)rdev->me_fw->data;
2139 WREG32(CP_ME_RAM_WADDR, 0);
2140 for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
2141 WREG32(CP_ME_RAM_DATA,
2142 be32_to_cpup(fw_data++));
2143
2144 fw_data = (const __be32 *)rdev->pfp_fw->data;
2145 WREG32(CP_PFP_UCODE_ADDR, 0);
2146 for (i = 0; i < PFP_UCODE_SIZE; i++)
2147 WREG32(CP_PFP_UCODE_DATA,
2148 be32_to_cpup(fw_data++));
2149
2150 WREG32(CP_PFP_UCODE_ADDR, 0);
2151 WREG32(CP_ME_RAM_WADDR, 0);
2152 WREG32(CP_ME_RAM_RADDR, 0);
2153 return 0;
2154}
2155
2156int r600_cp_start(struct radeon_device *rdev)
2157{
2158 int r;
2159 uint32_t cp_me;
2160
2161 r = radeon_ring_lock(rdev, 7);
2162 if (r) {
2163 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2164 return r;
2165 }
2166 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
2167 radeon_ring_write(rdev, 0x1);
2168 if (rdev->family >= CHIP_RV770) {
2169 radeon_ring_write(rdev, 0x0);
2170 radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1);
2171 } else {
2172 radeon_ring_write(rdev, 0x3);
2173 radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
2174 }
2175 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2176 radeon_ring_write(rdev, 0);
2177 radeon_ring_write(rdev, 0);
2178 radeon_ring_unlock_commit(rdev);
2179
2180 cp_me = 0xff;
2181 WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2182 return 0;
2183}
2184
2185int r600_cp_resume(struct radeon_device *rdev)
2186{
2187 u32 tmp;
2188 u32 rb_bufsz;
2189 int r;
2190
2191 /* Reset cp */
2192 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2193 RREG32(GRBM_SOFT_RESET);
2194 mdelay(15);
2195 WREG32(GRBM_SOFT_RESET, 0);
2196
2197 /* Set ring buffer size */
2198 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
2199 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2200#ifdef __BIG_ENDIAN
2201 tmp |= BUF_SWAP_32BIT;
2202#endif
2203 WREG32(CP_RB_CNTL, tmp);
2204 WREG32(CP_SEM_WAIT_TIMER, 0x4);
2205
2206 /* Set the write pointer delay */
2207 WREG32(CP_RB_WPTR_DELAY, 0);
2208
2209 /* Initialize the ring buffer's read and write pointers */
2210 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2211 WREG32(CP_RB_RPTR_WR, 0);
2212 rdev->cp.wptr = 0;
2213 WREG32(CP_RB_WPTR, rdev->cp.wptr);
2214
2215 /* set the wb address whether it's enabled or not */
2216 WREG32(CP_RB_RPTR_ADDR,
2217 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2218 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2219 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2220
2221 if (rdev->wb.enabled)
2222 WREG32(SCRATCH_UMSK, 0xff);
2223 else {
2224 tmp |= RB_NO_UPDATE;
2225 WREG32(SCRATCH_UMSK, 0);
2226 }
2227
2228 mdelay(1);
2229 WREG32(CP_RB_CNTL, tmp);
2230
2231 WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
2232 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2233
2234 rdev->cp.rptr = RREG32(CP_RB_RPTR);
2235
2236 r600_cp_start(rdev);
2237 rdev->cp.ready = true;
2238 r = radeon_ring_test(rdev);
2239 if (r) {
2240 rdev->cp.ready = false;
2241 return r;
2242 }
2243 return 0;
2244}
2245
2246void r600_cp_commit(struct radeon_device *rdev)
2247{
2248 WREG32(CP_RB_WPTR, rdev->cp.wptr);
2249 (void)RREG32(CP_RB_WPTR);
2250}
2251
2252void r600_ring_init(struct radeon_device *rdev, unsigned ring_size)
2253{
2254 u32 rb_bufsz;
2255
2256 /* Align ring size */
2257 rb_bufsz = drm_order(ring_size / 8);
2258 ring_size = (1 << (rb_bufsz + 1)) * 4;
2259 rdev->cp.ring_size = ring_size;
2260 rdev->cp.align_mask = 16 - 1;
2261}
2262
2263void r600_cp_fini(struct radeon_device *rdev)
2264{
2265 r600_cp_stop(rdev);
2266 radeon_ring_fini(rdev);
2267}
2268
2269
2270/*
2271 * GPU scratch registers helpers function.
2272 */
2273void r600_scratch_init(struct radeon_device *rdev)
2274{
2275 int i;
2276
2277 rdev->scratch.num_reg = 7;
2278 rdev->scratch.reg_base = SCRATCH_REG0;
2279 for (i = 0; i < rdev->scratch.num_reg; i++) {
2280 rdev->scratch.free[i] = true;
2281 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2282 }
2283}
2284
2285int r600_ring_test(struct radeon_device *rdev)
2286{
2287 uint32_t scratch;
2288 uint32_t tmp = 0;
2289 unsigned i;
2290 int r;
2291
2292 r = radeon_scratch_get(rdev, &scratch);
2293 if (r) {
2294 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2295 return r;
2296 }
2297 WREG32(scratch, 0xCAFEDEAD);
2298 r = radeon_ring_lock(rdev, 3);
2299 if (r) {
2300 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2301 radeon_scratch_free(rdev, scratch);
2302 return r;
2303 }
2304 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2305 radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2306 radeon_ring_write(rdev, 0xDEADBEEF);
2307 radeon_ring_unlock_commit(rdev);
2308 for (i = 0; i < rdev->usec_timeout; i++) {
2309 tmp = RREG32(scratch);
2310 if (tmp == 0xDEADBEEF)
2311 break;
2312 DRM_UDELAY(1);
2313 }
2314 if (i < rdev->usec_timeout) {
2315 DRM_INFO("ring test succeeded in %d usecs\n", i);
2316 } else {
2317 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
2318 scratch, tmp);
2319 r = -EINVAL;
2320 }
2321 radeon_scratch_free(rdev, scratch);
2322 return r;
2323}
2324
2325void r600_fence_ring_emit(struct radeon_device *rdev,
2326 struct radeon_fence *fence)
2327{
2328 if (rdev->wb.use_event) {
2329 u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET +
2330 (u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base);
2331 /* EVENT_WRITE_EOP - flush caches, send int */
2332 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2333 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2334 radeon_ring_write(rdev, addr & 0xffffffff);
2335 radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2336 radeon_ring_write(rdev, fence->seq);
2337 radeon_ring_write(rdev, 0);
2338 } else {
2339 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
2340 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2341 /* wait for 3D idle clean */
2342 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2343 radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2344 radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2345 /* Emit fence sequence & fire IRQ */
2346 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2347 radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2348 radeon_ring_write(rdev, fence->seq);
2349 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2350 radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
2351 radeon_ring_write(rdev, RB_INT_STAT);
2352 }
2353}
2354
2355int r600_copy_blit(struct radeon_device *rdev,
2356 uint64_t src_offset,
2357 uint64_t dst_offset,
2358 unsigned num_gpu_pages,
2359 struct radeon_fence *fence)
2360{
2361 int r;
2362
2363 mutex_lock(&rdev->r600_blit.mutex);
2364 rdev->r600_blit.vb_ib = NULL;
2365 r = r600_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
2366 if (r) {
2367 if (rdev->r600_blit.vb_ib)
2368 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
2369 mutex_unlock(&rdev->r600_blit.mutex);
2370 return r;
2371 }
2372 r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
2373 r600_blit_done_copy(rdev, fence);
2374 mutex_unlock(&rdev->r600_blit.mutex);
2375 return 0;
2376}
2377
2378int r600_set_surface_reg(struct radeon_device *rdev, int reg,
2379 uint32_t tiling_flags, uint32_t pitch,
2380 uint32_t offset, uint32_t obj_size)
2381{
2382 /* FIXME: implement */
2383 return 0;
2384}
2385
2386void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2387{
2388 /* FIXME: implement */
2389}
2390
2391int r600_startup(struct radeon_device *rdev)
2392{
2393 int r;
2394
2395 /* enable pcie gen2 link */
2396 r600_pcie_gen2_enable(rdev);
2397
2398 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2399 r = r600_init_microcode(rdev);
2400 if (r) {
2401 DRM_ERROR("Failed to load firmware!\n");
2402 return r;
2403 }
2404 }
2405
2406 r600_mc_program(rdev);
2407 if (rdev->flags & RADEON_IS_AGP) {
2408 r600_agp_enable(rdev);
2409 } else {
2410 r = r600_pcie_gart_enable(rdev);
2411 if (r)
2412 return r;
2413 }
2414 r600_gpu_init(rdev);
2415 r = r600_blit_init(rdev);
2416 if (r) {
2417 r600_blit_fini(rdev);
2418 rdev->asic->copy = NULL;
2419 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2420 }
2421
2422 /* allocate wb buffer */
2423 r = radeon_wb_init(rdev);
2424 if (r)
2425 return r;
2426
2427 /* Enable IRQ */
2428 r = r600_irq_init(rdev);
2429 if (r) {
2430 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2431 radeon_irq_kms_fini(rdev);
2432 return r;
2433 }
2434 r600_irq_set(rdev);
2435
2436 r = radeon_ring_init(rdev, rdev->cp.ring_size);
2437 if (r)
2438 return r;
2439 r = r600_cp_load_microcode(rdev);
2440 if (r)
2441 return r;
2442 r = r600_cp_resume(rdev);
2443 if (r)
2444 return r;
2445
2446 return 0;
2447}
2448
2449void r600_vga_set_state(struct radeon_device *rdev, bool state)
2450{
2451 uint32_t temp;
2452
2453 temp = RREG32(CONFIG_CNTL);
2454 if (state == false) {
2455 temp &= ~(1<<0);
2456 temp |= (1<<1);
2457 } else {
2458 temp &= ~(1<<1);
2459 }
2460 WREG32(CONFIG_CNTL, temp);
2461}
2462
2463int r600_resume(struct radeon_device *rdev)
2464{
2465 int r;
2466
2467 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
2468 * posting will perform necessary task to bring back GPU into good
2469 * shape.
2470 */
2471 /* post card */
2472 atom_asic_init(rdev->mode_info.atom_context);
2473
2474 r = r600_startup(rdev);
2475 if (r) {
2476 DRM_ERROR("r600 startup failed on resume\n");
2477 return r;
2478 }
2479
2480 r = r600_ib_test(rdev);
2481 if (r) {
2482 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2483 return r;
2484 }
2485
2486 r = r600_audio_init(rdev);
2487 if (r) {
2488 DRM_ERROR("radeon: audio resume failed\n");
2489 return r;
2490 }
2491
2492 return r;
2493}
2494
2495int r600_suspend(struct radeon_device *rdev)
2496{
2497 int r;
2498
2499 r600_audio_fini(rdev);
2500 /* FIXME: we should wait for ring to be empty */
2501 r600_cp_stop(rdev);
2502 rdev->cp.ready = false;
2503 r600_irq_suspend(rdev);
2504 radeon_wb_disable(rdev);
2505 r600_pcie_gart_disable(rdev);
2506 /* unpin shaders bo */
2507 if (rdev->r600_blit.shader_obj) {
2508 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2509 if (!r) {
2510 radeon_bo_unpin(rdev->r600_blit.shader_obj);
2511 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2512 }
2513 }
2514 return 0;
2515}
2516
2517/* Plan is to move initialization in that function and use
2518 * helper function so that radeon_device_init pretty much
2519 * do nothing more than calling asic specific function. This
2520 * should also allow to remove a bunch of callback function
2521 * like vram_info.
2522 */
2523int r600_init(struct radeon_device *rdev)
2524{
2525 int r;
2526
2527 if (r600_debugfs_mc_info_init(rdev)) {
2528 DRM_ERROR("Failed to register debugfs file for mc !\n");
2529 }
2530 /* This don't do much */
2531 r = radeon_gem_init(rdev);
2532 if (r)
2533 return r;
2534 /* Read BIOS */
2535 if (!radeon_get_bios(rdev)) {
2536 if (ASIC_IS_AVIVO(rdev))
2537 return -EINVAL;
2538 }
2539 /* Must be an ATOMBIOS */
2540 if (!rdev->is_atom_bios) {
2541 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2542 return -EINVAL;
2543 }
2544 r = radeon_atombios_init(rdev);
2545 if (r)
2546 return r;
2547 /* Post card if necessary */
2548 if (!radeon_card_posted(rdev)) {
2549 if (!rdev->bios) {
2550 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2551 return -EINVAL;
2552 }
2553 DRM_INFO("GPU not posted. posting now...\n");
2554 atom_asic_init(rdev->mode_info.atom_context);
2555 }
2556 /* Initialize scratch registers */
2557 r600_scratch_init(rdev);
2558 /* Initialize surface registers */
2559 radeon_surface_init(rdev);
2560 /* Initialize clocks */
2561 radeon_get_clock_info(rdev->ddev);
2562 /* Fence driver */
2563 r = radeon_fence_driver_init(rdev);
2564 if (r)
2565 return r;
2566 if (rdev->flags & RADEON_IS_AGP) {
2567 r = radeon_agp_init(rdev);
2568 if (r)
2569 radeon_agp_disable(rdev);
2570 }
2571 r = r600_mc_init(rdev);
2572 if (r)
2573 return r;
2574 /* Memory manager */
2575 r = radeon_bo_init(rdev);
2576 if (r)
2577 return r;
2578
2579 r = radeon_irq_kms_init(rdev);
2580 if (r)
2581 return r;
2582
2583 rdev->cp.ring_obj = NULL;
2584 r600_ring_init(rdev, 1024 * 1024);
2585
2586 rdev->ih.ring_obj = NULL;
2587 r600_ih_ring_init(rdev, 64 * 1024);
2588
2589 r = r600_pcie_gart_init(rdev);
2590 if (r)
2591 return r;
2592
2593 rdev->accel_working = true;
2594 r = r600_startup(rdev);
2595 if (r) {
2596 dev_err(rdev->dev, "disabling GPU acceleration\n");
2597 r600_cp_fini(rdev);
2598 r600_irq_fini(rdev);
2599 radeon_wb_fini(rdev);
2600 radeon_irq_kms_fini(rdev);
2601 r600_pcie_gart_fini(rdev);
2602 rdev->accel_working = false;
2603 }
2604 if (rdev->accel_working) {
2605 r = radeon_ib_pool_init(rdev);
2606 if (r) {
2607 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2608 rdev->accel_working = false;
2609 } else {
2610 r = r600_ib_test(rdev);
2611 if (r) {
2612 dev_err(rdev->dev, "IB test failed (%d).\n", r);
2613 rdev->accel_working = false;
2614 }
2615 }
2616 }
2617
2618 r = r600_audio_init(rdev);
2619 if (r)
2620 return r; /* TODO error handling */
2621 return 0;
2622}
2623
2624void r600_fini(struct radeon_device *rdev)
2625{
2626 r600_audio_fini(rdev);
2627 r600_blit_fini(rdev);
2628 r600_cp_fini(rdev);
2629 r600_irq_fini(rdev);
2630 radeon_wb_fini(rdev);
2631 radeon_ib_pool_fini(rdev);
2632 radeon_irq_kms_fini(rdev);
2633 r600_pcie_gart_fini(rdev);
2634 radeon_agp_fini(rdev);
2635 radeon_gem_fini(rdev);
2636 radeon_fence_driver_fini(rdev);
2637 radeon_bo_fini(rdev);
2638 radeon_atombios_fini(rdev);
2639 kfree(rdev->bios);
2640 rdev->bios = NULL;
2641}
2642
2643
2644/*
2645 * CS stuff
2646 */
2647void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2648{
2649 /* FIXME: implement */
2650 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2651 radeon_ring_write(rdev,
2652#ifdef __BIG_ENDIAN
2653 (2 << 0) |
2654#endif
2655 (ib->gpu_addr & 0xFFFFFFFC));
2656 radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
2657 radeon_ring_write(rdev, ib->length_dw);
2658}
2659
2660int r600_ib_test(struct radeon_device *rdev)
2661{
2662 struct radeon_ib *ib;
2663 uint32_t scratch;
2664 uint32_t tmp = 0;
2665 unsigned i;
2666 int r;
2667
2668 r = radeon_scratch_get(rdev, &scratch);
2669 if (r) {
2670 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2671 return r;
2672 }
2673 WREG32(scratch, 0xCAFEDEAD);
2674 r = radeon_ib_get(rdev, &ib);
2675 if (r) {
2676 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
2677 return r;
2678 }
2679 ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
2680 ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2681 ib->ptr[2] = 0xDEADBEEF;
2682 ib->ptr[3] = PACKET2(0);
2683 ib->ptr[4] = PACKET2(0);
2684 ib->ptr[5] = PACKET2(0);
2685 ib->ptr[6] = PACKET2(0);
2686 ib->ptr[7] = PACKET2(0);
2687 ib->ptr[8] = PACKET2(0);
2688 ib->ptr[9] = PACKET2(0);
2689 ib->ptr[10] = PACKET2(0);
2690 ib->ptr[11] = PACKET2(0);
2691 ib->ptr[12] = PACKET2(0);
2692 ib->ptr[13] = PACKET2(0);
2693 ib->ptr[14] = PACKET2(0);
2694 ib->ptr[15] = PACKET2(0);
2695 ib->length_dw = 16;
2696 r = radeon_ib_schedule(rdev, ib);
2697 if (r) {
2698 radeon_scratch_free(rdev, scratch);
2699 radeon_ib_free(rdev, &ib);
2700 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
2701 return r;
2702 }
2703 r = radeon_fence_wait(ib->fence, false);
2704 if (r) {
2705 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
2706 return r;
2707 }
2708 for (i = 0; i < rdev->usec_timeout; i++) {
2709 tmp = RREG32(scratch);
2710 if (tmp == 0xDEADBEEF)
2711 break;
2712 DRM_UDELAY(1);
2713 }
2714 if (i < rdev->usec_timeout) {
2715 DRM_INFO("ib test succeeded in %u usecs\n", i);
2716 } else {
2717 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
2718 scratch, tmp);
2719 r = -EINVAL;
2720 }
2721 radeon_scratch_free(rdev, scratch);
2722 radeon_ib_free(rdev, &ib);
2723 return r;
2724}
2725
2726/*
2727 * Interrupts
2728 *
2729 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
2730 * the same as the CP ring buffer, but in reverse. Rather than the CPU
2731 * writing to the ring and the GPU consuming, the GPU writes to the ring
2732 * and host consumes. As the host irq handler processes interrupts, it
2733 * increments the rptr. When the rptr catches up with the wptr, all the
2734 * current interrupts have been processed.
2735 */
2736
2737void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
2738{
2739 u32 rb_bufsz;
2740
2741 /* Align ring size */
2742 rb_bufsz = drm_order(ring_size / 4);
2743 ring_size = (1 << rb_bufsz) * 4;
2744 rdev->ih.ring_size = ring_size;
2745 rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
2746 rdev->ih.rptr = 0;
2747}
2748
2749static int r600_ih_ring_alloc(struct radeon_device *rdev)
2750{
2751 int r;
2752
2753 /* Allocate ring buffer */
2754 if (rdev->ih.ring_obj == NULL) {
2755 r = radeon_bo_create(rdev, rdev->ih.ring_size,
2756 PAGE_SIZE, true,
2757 RADEON_GEM_DOMAIN_GTT,
2758 &rdev->ih.ring_obj);
2759 if (r) {
2760 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
2761 return r;
2762 }
2763 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2764 if (unlikely(r != 0))
2765 return r;
2766 r = radeon_bo_pin(rdev->ih.ring_obj,
2767 RADEON_GEM_DOMAIN_GTT,
2768 &rdev->ih.gpu_addr);
2769 if (r) {
2770 radeon_bo_unreserve(rdev->ih.ring_obj);
2771 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
2772 return r;
2773 }
2774 r = radeon_bo_kmap(rdev->ih.ring_obj,
2775 (void **)&rdev->ih.ring);
2776 radeon_bo_unreserve(rdev->ih.ring_obj);
2777 if (r) {
2778 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
2779 return r;
2780 }
2781 }
2782 return 0;
2783}
2784
2785static void r600_ih_ring_fini(struct radeon_device *rdev)
2786{
2787 int r;
2788 if (rdev->ih.ring_obj) {
2789 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2790 if (likely(r == 0)) {
2791 radeon_bo_kunmap(rdev->ih.ring_obj);
2792 radeon_bo_unpin(rdev->ih.ring_obj);
2793 radeon_bo_unreserve(rdev->ih.ring_obj);
2794 }
2795 radeon_bo_unref(&rdev->ih.ring_obj);
2796 rdev->ih.ring = NULL;
2797 rdev->ih.ring_obj = NULL;
2798 }
2799}
2800
2801void r600_rlc_stop(struct radeon_device *rdev)
2802{
2803
2804 if ((rdev->family >= CHIP_RV770) &&
2805 (rdev->family <= CHIP_RV740)) {
2806 /* r7xx asics need to soft reset RLC before halting */
2807 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
2808 RREG32(SRBM_SOFT_RESET);
2809 udelay(15000);
2810 WREG32(SRBM_SOFT_RESET, 0);
2811 RREG32(SRBM_SOFT_RESET);
2812 }
2813
2814 WREG32(RLC_CNTL, 0);
2815}
2816
2817static void r600_rlc_start(struct radeon_device *rdev)
2818{
2819 WREG32(RLC_CNTL, RLC_ENABLE);
2820}
2821
2822static int r600_rlc_init(struct radeon_device *rdev)
2823{
2824 u32 i;
2825 const __be32 *fw_data;
2826
2827 if (!rdev->rlc_fw)
2828 return -EINVAL;
2829
2830 r600_rlc_stop(rdev);
2831
2832 WREG32(RLC_HB_BASE, 0);
2833 WREG32(RLC_HB_CNTL, 0);
2834 WREG32(RLC_HB_RPTR, 0);
2835 WREG32(RLC_HB_WPTR, 0);
2836 if (rdev->family <= CHIP_CAICOS) {
2837 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
2838 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
2839 }
2840 WREG32(RLC_MC_CNTL, 0);
2841 WREG32(RLC_UCODE_CNTL, 0);
2842
2843 fw_data = (const __be32 *)rdev->rlc_fw->data;
2844 if (rdev->family >= CHIP_CAYMAN) {
2845 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
2846 WREG32(RLC_UCODE_ADDR, i);
2847 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2848 }
2849 } else if (rdev->family >= CHIP_CEDAR) {
2850 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
2851 WREG32(RLC_UCODE_ADDR, i);
2852 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2853 }
2854 } else if (rdev->family >= CHIP_RV770) {
2855 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
2856 WREG32(RLC_UCODE_ADDR, i);
2857 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2858 }
2859 } else {
2860 for (i = 0; i < RLC_UCODE_SIZE; i++) {
2861 WREG32(RLC_UCODE_ADDR, i);
2862 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2863 }
2864 }
2865 WREG32(RLC_UCODE_ADDR, 0);
2866
2867 r600_rlc_start(rdev);
2868
2869 return 0;
2870}
2871
2872static void r600_enable_interrupts(struct radeon_device *rdev)
2873{
2874 u32 ih_cntl = RREG32(IH_CNTL);
2875 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2876
2877 ih_cntl |= ENABLE_INTR;
2878 ih_rb_cntl |= IH_RB_ENABLE;
2879 WREG32(IH_CNTL, ih_cntl);
2880 WREG32(IH_RB_CNTL, ih_rb_cntl);
2881 rdev->ih.enabled = true;
2882}
2883
2884void r600_disable_interrupts(struct radeon_device *rdev)
2885{
2886 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2887 u32 ih_cntl = RREG32(IH_CNTL);
2888
2889 ih_rb_cntl &= ~IH_RB_ENABLE;
2890 ih_cntl &= ~ENABLE_INTR;
2891 WREG32(IH_RB_CNTL, ih_rb_cntl);
2892 WREG32(IH_CNTL, ih_cntl);
2893 /* set rptr, wptr to 0 */
2894 WREG32(IH_RB_RPTR, 0);
2895 WREG32(IH_RB_WPTR, 0);
2896 rdev->ih.enabled = false;
2897 rdev->ih.wptr = 0;
2898 rdev->ih.rptr = 0;
2899}
2900
2901static void r600_disable_interrupt_state(struct radeon_device *rdev)
2902{
2903 u32 tmp;
2904
2905 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2906 WREG32(GRBM_INT_CNTL, 0);
2907 WREG32(DxMODE_INT_MASK, 0);
2908 WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2909 WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
2910 if (ASIC_IS_DCE3(rdev)) {
2911 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2912 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
2913 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2914 WREG32(DC_HPD1_INT_CONTROL, tmp);
2915 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2916 WREG32(DC_HPD2_INT_CONTROL, tmp);
2917 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2918 WREG32(DC_HPD3_INT_CONTROL, tmp);
2919 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2920 WREG32(DC_HPD4_INT_CONTROL, tmp);
2921 if (ASIC_IS_DCE32(rdev)) {
2922 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2923 WREG32(DC_HPD5_INT_CONTROL, tmp);
2924 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2925 WREG32(DC_HPD6_INT_CONTROL, tmp);
2926 }
2927 } else {
2928 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2929 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2930 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2931 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
2932 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2933 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
2934 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2935 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
2936 }
2937}
2938
2939int r600_irq_init(struct radeon_device *rdev)
2940{
2941 int ret = 0;
2942 int rb_bufsz;
2943 u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
2944
2945 /* allocate ring */
2946 ret = r600_ih_ring_alloc(rdev);
2947 if (ret)
2948 return ret;
2949
2950 /* disable irqs */
2951 r600_disable_interrupts(rdev);
2952
2953 /* init rlc */
2954 ret = r600_rlc_init(rdev);
2955 if (ret) {
2956 r600_ih_ring_fini(rdev);
2957 return ret;
2958 }
2959
2960 /* setup interrupt control */
2961 /* set dummy read address to ring address */
2962 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
2963 interrupt_cntl = RREG32(INTERRUPT_CNTL);
2964 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
2965 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
2966 */
2967 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
2968 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
2969 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
2970 WREG32(INTERRUPT_CNTL, interrupt_cntl);
2971
2972 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
2973 rb_bufsz = drm_order(rdev->ih.ring_size / 4);
2974
2975 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
2976 IH_WPTR_OVERFLOW_CLEAR |
2977 (rb_bufsz << 1));
2978
2979 if (rdev->wb.enabled)
2980 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
2981
2982 /* set the writeback address whether it's enabled or not */
2983 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
2984 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
2985
2986 WREG32(IH_RB_CNTL, ih_rb_cntl);
2987
2988 /* set rptr, wptr to 0 */
2989 WREG32(IH_RB_RPTR, 0);
2990 WREG32(IH_RB_WPTR, 0);
2991
2992 /* Default settings for IH_CNTL (disabled at first) */
2993 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
2994 /* RPTR_REARM only works if msi's are enabled */
2995 if (rdev->msi_enabled)
2996 ih_cntl |= RPTR_REARM;
2997 WREG32(IH_CNTL, ih_cntl);
2998
2999 /* force the active interrupt state to all disabled */
3000 if (rdev->family >= CHIP_CEDAR)
3001 evergreen_disable_interrupt_state(rdev);
3002 else
3003 r600_disable_interrupt_state(rdev);
3004
3005 /* enable irqs */
3006 r600_enable_interrupts(rdev);
3007
3008 return ret;
3009}
3010
3011void r600_irq_suspend(struct radeon_device *rdev)
3012{
3013 r600_irq_disable(rdev);
3014 r600_rlc_stop(rdev);
3015}
3016
3017void r600_irq_fini(struct radeon_device *rdev)
3018{
3019 r600_irq_suspend(rdev);
3020 r600_ih_ring_fini(rdev);
3021}
3022
3023int r600_irq_set(struct radeon_device *rdev)
3024{
3025 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3026 u32 mode_int = 0;
3027 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3028 u32 grbm_int_cntl = 0;
3029 u32 hdmi1, hdmi2;
3030 u32 d1grph = 0, d2grph = 0;
3031
3032 if (!rdev->irq.installed) {
3033 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3034 return -EINVAL;
3035 }
3036 /* don't enable anything if the ih is disabled */
3037 if (!rdev->ih.enabled) {
3038 r600_disable_interrupts(rdev);
3039 /* force the active interrupt state to all disabled */
3040 r600_disable_interrupt_state(rdev);
3041 return 0;
3042 }
3043
3044 hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3045 if (ASIC_IS_DCE3(rdev)) {
3046 hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3047 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3048 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3049 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3050 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3051 if (ASIC_IS_DCE32(rdev)) {
3052 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3053 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3054 }
3055 } else {
3056 hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3057 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3058 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3059 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3060 }
3061
3062 if (rdev->irq.sw_int) {
3063 DRM_DEBUG("r600_irq_set: sw int\n");
3064 cp_int_cntl |= RB_INT_ENABLE;
3065 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3066 }
3067 if (rdev->irq.crtc_vblank_int[0] ||
3068 rdev->irq.pflip[0]) {
3069 DRM_DEBUG("r600_irq_set: vblank 0\n");
3070 mode_int |= D1MODE_VBLANK_INT_MASK;
3071 }
3072 if (rdev->irq.crtc_vblank_int[1] ||
3073 rdev->irq.pflip[1]) {
3074 DRM_DEBUG("r600_irq_set: vblank 1\n");
3075 mode_int |= D2MODE_VBLANK_INT_MASK;
3076 }
3077 if (rdev->irq.hpd[0]) {
3078 DRM_DEBUG("r600_irq_set: hpd 1\n");
3079 hpd1 |= DC_HPDx_INT_EN;
3080 }
3081 if (rdev->irq.hpd[1]) {
3082 DRM_DEBUG("r600_irq_set: hpd 2\n");
3083 hpd2 |= DC_HPDx_INT_EN;
3084 }
3085 if (rdev->irq.hpd[2]) {
3086 DRM_DEBUG("r600_irq_set: hpd 3\n");
3087 hpd3 |= DC_HPDx_INT_EN;
3088 }
3089 if (rdev->irq.hpd[3]) {
3090 DRM_DEBUG("r600_irq_set: hpd 4\n");
3091 hpd4 |= DC_HPDx_INT_EN;
3092 }
3093 if (rdev->irq.hpd[4]) {
3094 DRM_DEBUG("r600_irq_set: hpd 5\n");
3095 hpd5 |= DC_HPDx_INT_EN;
3096 }
3097 if (rdev->irq.hpd[5]) {
3098 DRM_DEBUG("r600_irq_set: hpd 6\n");
3099 hpd6 |= DC_HPDx_INT_EN;
3100 }
3101 if (rdev->irq.hdmi[0]) {
3102 DRM_DEBUG("r600_irq_set: hdmi 1\n");
3103 hdmi1 |= R600_HDMI_INT_EN;
3104 }
3105 if (rdev->irq.hdmi[1]) {
3106 DRM_DEBUG("r600_irq_set: hdmi 2\n");
3107 hdmi2 |= R600_HDMI_INT_EN;
3108 }
3109 if (rdev->irq.gui_idle) {
3110 DRM_DEBUG("gui idle\n");
3111 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
3112 }
3113
3114 WREG32(CP_INT_CNTL, cp_int_cntl);
3115 WREG32(DxMODE_INT_MASK, mode_int);
3116 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3117 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
3118 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3119 WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
3120 if (ASIC_IS_DCE3(rdev)) {
3121 WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
3122 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3123 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3124 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3125 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3126 if (ASIC_IS_DCE32(rdev)) {
3127 WREG32(DC_HPD5_INT_CONTROL, hpd5);
3128 WREG32(DC_HPD6_INT_CONTROL, hpd6);
3129 }
3130 } else {
3131 WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2);
3132 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3133 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3134 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3135 }
3136
3137 return 0;
3138}
3139
3140static inline void r600_irq_ack(struct radeon_device *rdev)
3141{
3142 u32 tmp;
3143
3144 if (ASIC_IS_DCE3(rdev)) {
3145 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3146 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3147 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3148 } else {
3149 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3150 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3151 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3152 }
3153 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3154 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3155
3156 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3157 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3158 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3159 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3160 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3161 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3162 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3163 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3164 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3165 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3166 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3167 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3168 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3169 if (ASIC_IS_DCE3(rdev)) {
3170 tmp = RREG32(DC_HPD1_INT_CONTROL);
3171 tmp |= DC_HPDx_INT_ACK;
3172 WREG32(DC_HPD1_INT_CONTROL, tmp);
3173 } else {
3174 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3175 tmp |= DC_HPDx_INT_ACK;
3176 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3177 }
3178 }
3179 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3180 if (ASIC_IS_DCE3(rdev)) {
3181 tmp = RREG32(DC_HPD2_INT_CONTROL);
3182 tmp |= DC_HPDx_INT_ACK;
3183 WREG32(DC_HPD2_INT_CONTROL, tmp);
3184 } else {
3185 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3186 tmp |= DC_HPDx_INT_ACK;
3187 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3188 }
3189 }
3190 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3191 if (ASIC_IS_DCE3(rdev)) {
3192 tmp = RREG32(DC_HPD3_INT_CONTROL);
3193 tmp |= DC_HPDx_INT_ACK;
3194 WREG32(DC_HPD3_INT_CONTROL, tmp);
3195 } else {
3196 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3197 tmp |= DC_HPDx_INT_ACK;
3198 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3199 }
3200 }
3201 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3202 tmp = RREG32(DC_HPD4_INT_CONTROL);
3203 tmp |= DC_HPDx_INT_ACK;
3204 WREG32(DC_HPD4_INT_CONTROL, tmp);
3205 }
3206 if (ASIC_IS_DCE32(rdev)) {
3207 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3208 tmp = RREG32(DC_HPD5_INT_CONTROL);
3209 tmp |= DC_HPDx_INT_ACK;
3210 WREG32(DC_HPD5_INT_CONTROL, tmp);
3211 }
3212 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3213 tmp = RREG32(DC_HPD5_INT_CONTROL);
3214 tmp |= DC_HPDx_INT_ACK;
3215 WREG32(DC_HPD6_INT_CONTROL, tmp);
3216 }
3217 }
3218 if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3219 WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3220 }
3221 if (ASIC_IS_DCE3(rdev)) {
3222 if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3223 WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3224 }
3225 } else {
3226 if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3227 WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3228 }
3229 }
3230}
3231
3232void r600_irq_disable(struct radeon_device *rdev)
3233{
3234 r600_disable_interrupts(rdev);
3235 /* Wait and acknowledge irq */
3236 mdelay(1);
3237 r600_irq_ack(rdev);
3238 r600_disable_interrupt_state(rdev);
3239}
3240
3241static inline u32 r600_get_ih_wptr(struct radeon_device *rdev)
3242{
3243 u32 wptr, tmp;
3244
3245 if (rdev->wb.enabled)
3246 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
3247 else
3248 wptr = RREG32(IH_RB_WPTR);
3249
3250 if (wptr & RB_OVERFLOW) {
3251 /* When a ring buffer overflow happen start parsing interrupt
3252 * from the last not overwritten vector (wptr + 16). Hopefully
3253 * this should allow us to catchup.
3254 */
3255 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
3256 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
3257 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
3258 tmp = RREG32(IH_RB_CNTL);
3259 tmp |= IH_WPTR_OVERFLOW_CLEAR;
3260 WREG32(IH_RB_CNTL, tmp);
3261 }
3262 return (wptr & rdev->ih.ptr_mask);
3263}
3264
3265/* r600 IV Ring
3266 * Each IV ring entry is 128 bits:
3267 * [7:0] - interrupt source id
3268 * [31:8] - reserved
3269 * [59:32] - interrupt source data
3270 * [127:60] - reserved
3271 *
3272 * The basic interrupt vector entries
3273 * are decoded as follows:
3274 * src_id src_data description
3275 * 1 0 D1 Vblank
3276 * 1 1 D1 Vline
3277 * 5 0 D2 Vblank
3278 * 5 1 D2 Vline
3279 * 19 0 FP Hot plug detection A
3280 * 19 1 FP Hot plug detection B
3281 * 19 2 DAC A auto-detection
3282 * 19 3 DAC B auto-detection
3283 * 21 4 HDMI block A
3284 * 21 5 HDMI block B
3285 * 176 - CP_INT RB
3286 * 177 - CP_INT IB1
3287 * 178 - CP_INT IB2
3288 * 181 - EOP Interrupt
3289 * 233 - GUI Idle
3290 *
3291 * Note, these are based on r600 and may need to be
3292 * adjusted or added to on newer asics
3293 */
3294
3295int r600_irq_process(struct radeon_device *rdev)
3296{
3297 u32 wptr;
3298 u32 rptr;
3299 u32 src_id, src_data;
3300 u32 ring_index;
3301 unsigned long flags;
3302 bool queue_hotplug = false;
3303
3304 if (!rdev->ih.enabled || rdev->shutdown)
3305 return IRQ_NONE;
3306
3307 /* No MSIs, need a dummy read to flush PCI DMAs */
3308 if (!rdev->msi_enabled)
3309 RREG32(IH_RB_WPTR);
3310
3311 wptr = r600_get_ih_wptr(rdev);
3312 rptr = rdev->ih.rptr;
3313 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3314
3315 spin_lock_irqsave(&rdev->ih.lock, flags);
3316
3317 if (rptr == wptr) {
3318 spin_unlock_irqrestore(&rdev->ih.lock, flags);
3319 return IRQ_NONE;
3320 }
3321
3322restart_ih:
3323 /* Order reading of wptr vs. reading of IH ring data */
3324 rmb();
3325
3326 /* display interrupts */
3327 r600_irq_ack(rdev);
3328
3329 rdev->ih.wptr = wptr;
3330 while (rptr != wptr) {
3331 /* wptr/rptr are in bytes! */
3332 ring_index = rptr / 4;
3333 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3334 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
3335
3336 switch (src_id) {
3337 case 1: /* D1 vblank/vline */
3338 switch (src_data) {
3339 case 0: /* D1 vblank */
3340 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
3341 if (rdev->irq.crtc_vblank_int[0]) {
3342 drm_handle_vblank(rdev->ddev, 0);
3343 rdev->pm.vblank_sync = true;
3344 wake_up(&rdev->irq.vblank_queue);
3345 }
3346 if (rdev->irq.pflip[0])
3347 radeon_crtc_handle_flip(rdev, 0);
3348 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
3349 DRM_DEBUG("IH: D1 vblank\n");
3350 }
3351 break;
3352 case 1: /* D1 vline */
3353 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3354 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
3355 DRM_DEBUG("IH: D1 vline\n");
3356 }
3357 break;
3358 default:
3359 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3360 break;
3361 }
3362 break;
3363 case 5: /* D2 vblank/vline */
3364 switch (src_data) {
3365 case 0: /* D2 vblank */
3366 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
3367 if (rdev->irq.crtc_vblank_int[1]) {
3368 drm_handle_vblank(rdev->ddev, 1);
3369 rdev->pm.vblank_sync = true;
3370 wake_up(&rdev->irq.vblank_queue);
3371 }
3372 if (rdev->irq.pflip[1])
3373 radeon_crtc_handle_flip(rdev, 1);
3374 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
3375 DRM_DEBUG("IH: D2 vblank\n");
3376 }
3377 break;
3378 case 1: /* D1 vline */
3379 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3380 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
3381 DRM_DEBUG("IH: D2 vline\n");
3382 }
3383 break;
3384 default:
3385 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3386 break;
3387 }
3388 break;
3389 case 19: /* HPD/DAC hotplug */
3390 switch (src_data) {
3391 case 0:
3392 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3393 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
3394 queue_hotplug = true;
3395 DRM_DEBUG("IH: HPD1\n");
3396 }
3397 break;
3398 case 1:
3399 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3400 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
3401 queue_hotplug = true;
3402 DRM_DEBUG("IH: HPD2\n");
3403 }
3404 break;
3405 case 4:
3406 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3407 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
3408 queue_hotplug = true;
3409 DRM_DEBUG("IH: HPD3\n");
3410 }
3411 break;
3412 case 5:
3413 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3414 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
3415 queue_hotplug = true;
3416 DRM_DEBUG("IH: HPD4\n");
3417 }
3418 break;
3419 case 10:
3420 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3421 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
3422 queue_hotplug = true;
3423 DRM_DEBUG("IH: HPD5\n");
3424 }
3425 break;
3426 case 12:
3427 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3428 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
3429 queue_hotplug = true;
3430 DRM_DEBUG("IH: HPD6\n");
3431 }
3432 break;
3433 default:
3434 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3435 break;
3436 }
3437 break;
3438 case 21: /* HDMI */
3439 DRM_DEBUG("IH: HDMI: 0x%x\n", src_data);
3440 r600_audio_schedule_polling(rdev);
3441 break;
3442 case 176: /* CP_INT in ring buffer */
3443 case 177: /* CP_INT in IB1 */
3444 case 178: /* CP_INT in IB2 */
3445 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
3446 radeon_fence_process(rdev);
3447 break;
3448 case 181: /* CP EOP event */
3449 DRM_DEBUG("IH: CP EOP\n");
3450 radeon_fence_process(rdev);
3451 break;
3452 case 233: /* GUI IDLE */
3453 DRM_DEBUG("IH: GUI idle\n");
3454 rdev->pm.gui_idle = true;
3455 wake_up(&rdev->irq.idle_queue);
3456 break;
3457 default:
3458 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3459 break;
3460 }
3461
3462 /* wptr/rptr are in bytes! */
3463 rptr += 16;
3464 rptr &= rdev->ih.ptr_mask;
3465 }
3466 /* make sure wptr hasn't changed while processing */
3467 wptr = r600_get_ih_wptr(rdev);
3468 if (wptr != rdev->ih.wptr)
3469 goto restart_ih;
3470 if (queue_hotplug)
3471 schedule_work(&rdev->hotplug_work);
3472 rdev->ih.rptr = rptr;
3473 WREG32(IH_RB_RPTR, rdev->ih.rptr);
3474 spin_unlock_irqrestore(&rdev->ih.lock, flags);
3475 return IRQ_HANDLED;
3476}
3477
3478/*
3479 * Debugfs info
3480 */
3481#if defined(CONFIG_DEBUG_FS)
3482
3483static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data)
3484{
3485 struct drm_info_node *node = (struct drm_info_node *) m->private;
3486 struct drm_device *dev = node->minor->dev;
3487 struct radeon_device *rdev = dev->dev_private;
3488 unsigned count, i, j;
3489
3490 radeon_ring_free_size(rdev);
3491 count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw;
3492 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT));
3493 seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR));
3494 seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR));
3495 seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr);
3496 seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr);
3497 seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
3498 seq_printf(m, "%u dwords in ring\n", count);
3499 i = rdev->cp.rptr;
3500 for (j = 0; j <= count; j++) {
3501 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
3502 i = (i + 1) & rdev->cp.ptr_mask;
3503 }
3504 return 0;
3505}
3506
3507static int r600_debugfs_mc_info(struct seq_file *m, void *data)
3508{
3509 struct drm_info_node *node = (struct drm_info_node *) m->private;
3510 struct drm_device *dev = node->minor->dev;
3511 struct radeon_device *rdev = dev->dev_private;
3512
3513 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
3514 DREG32_SYS(m, rdev, VM_L2_STATUS);
3515 return 0;
3516}
3517
3518static struct drm_info_list r600_mc_info_list[] = {
3519 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
3520 {"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL},
3521};
3522#endif
3523
3524int r600_debugfs_mc_info_init(struct radeon_device *rdev)
3525{
3526#if defined(CONFIG_DEBUG_FS)
3527 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
3528#else
3529 return 0;
3530#endif
3531}
3532
3533/**
3534 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
3535 * rdev: radeon device structure
3536 * bo: buffer object struct which userspace is waiting for idle
3537 *
3538 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
3539 * through ring buffer, this leads to corruption in rendering, see
3540 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
3541 * directly perform HDP flush by writing register through MMIO.
3542 */
3543void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3544{
3545 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
3546 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
3547 * This seems to cause problems on some AGP cards. Just use the old
3548 * method for them.
3549 */
3550 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
3551 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
3552 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3553 u32 tmp;
3554
3555 WREG32(HDP_DEBUG1, 0);
3556 tmp = readl((void __iomem *)ptr);
3557 } else
3558 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
3559}
3560
3561void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
3562{
3563 u32 link_width_cntl, mask, target_reg;
3564
3565 if (rdev->flags & RADEON_IS_IGP)
3566 return;
3567
3568 if (!(rdev->flags & RADEON_IS_PCIE))
3569 return;
3570
3571 /* x2 cards have a special sequence */
3572 if (ASIC_IS_X2(rdev))
3573 return;
3574
3575 /* FIXME wait for idle */
3576
3577 switch (lanes) {
3578 case 0:
3579 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
3580 break;
3581 case 1:
3582 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
3583 break;
3584 case 2:
3585 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
3586 break;
3587 case 4:
3588 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
3589 break;
3590 case 8:
3591 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
3592 break;
3593 case 12:
3594 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
3595 break;
3596 case 16:
3597 default:
3598 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
3599 break;
3600 }
3601
3602 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3603
3604 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
3605 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
3606 return;
3607
3608 if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
3609 return;
3610
3611 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
3612 RADEON_PCIE_LC_RECONFIG_NOW |
3613 R600_PCIE_LC_RENEGOTIATE_EN |
3614 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
3615 link_width_cntl |= mask;
3616
3617 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3618
3619 /* some northbridges can renegotiate the link rather than requiring
3620 * a complete re-config.
3621 * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
3622 */
3623 if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
3624 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
3625 else
3626 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
3627
3628 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
3629 RADEON_PCIE_LC_RECONFIG_NOW));
3630
3631 if (rdev->family >= CHIP_RV770)
3632 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
3633 else
3634 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
3635
3636 /* wait for lane set to complete */
3637 link_width_cntl = RREG32(target_reg);
3638 while (link_width_cntl == 0xffffffff)
3639 link_width_cntl = RREG32(target_reg);
3640
3641}
3642
3643int r600_get_pcie_lanes(struct radeon_device *rdev)
3644{
3645 u32 link_width_cntl;
3646
3647 if (rdev->flags & RADEON_IS_IGP)
3648 return 0;
3649
3650 if (!(rdev->flags & RADEON_IS_PCIE))
3651 return 0;
3652
3653 /* x2 cards have a special sequence */
3654 if (ASIC_IS_X2(rdev))
3655 return 0;
3656
3657 /* FIXME wait for idle */
3658
3659 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3660
3661 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
3662 case RADEON_PCIE_LC_LINK_WIDTH_X0:
3663 return 0;
3664 case RADEON_PCIE_LC_LINK_WIDTH_X1:
3665 return 1;
3666 case RADEON_PCIE_LC_LINK_WIDTH_X2:
3667 return 2;
3668 case RADEON_PCIE_LC_LINK_WIDTH_X4:
3669 return 4;
3670 case RADEON_PCIE_LC_LINK_WIDTH_X8:
3671 return 8;
3672 case RADEON_PCIE_LC_LINK_WIDTH_X16:
3673 default:
3674 return 16;
3675 }
3676}
3677
3678static void r600_pcie_gen2_enable(struct radeon_device *rdev)
3679{
3680 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
3681 u16 link_cntl2;
3682
3683 if (radeon_pcie_gen2 == 0)
3684 return;
3685
3686 if (rdev->flags & RADEON_IS_IGP)
3687 return;
3688
3689 if (!(rdev->flags & RADEON_IS_PCIE))
3690 return;
3691
3692 /* x2 cards have a special sequence */
3693 if (ASIC_IS_X2(rdev))
3694 return;
3695
3696 /* only RV6xx+ chips are supported */
3697 if (rdev->family <= CHIP_R600)
3698 return;
3699
3700 /* 55 nm r6xx asics */
3701 if ((rdev->family == CHIP_RV670) ||
3702 (rdev->family == CHIP_RV620) ||
3703 (rdev->family == CHIP_RV635)) {
3704 /* advertise upconfig capability */
3705 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3706 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3707 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3708 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3709 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
3710 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
3711 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
3712 LC_RECONFIG_ARC_MISSING_ESCAPE);
3713 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
3714 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3715 } else {
3716 link_width_cntl |= LC_UPCONFIGURE_DIS;
3717 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3718 }
3719 }
3720
3721 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3722 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3723 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3724
3725 /* 55 nm r6xx asics */
3726 if ((rdev->family == CHIP_RV670) ||
3727 (rdev->family == CHIP_RV620) ||
3728 (rdev->family == CHIP_RV635)) {
3729 WREG32(MM_CFGREGS_CNTL, 0x8);
3730 link_cntl2 = RREG32(0x4088);
3731 WREG32(MM_CFGREGS_CNTL, 0);
3732 /* not supported yet */
3733 if (link_cntl2 & SELECTABLE_DEEMPHASIS)
3734 return;
3735 }
3736
3737 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
3738 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
3739 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
3740 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
3741 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
3742 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3743
3744 tmp = RREG32(0x541c);
3745 WREG32(0x541c, tmp | 0x8);
3746 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
3747 link_cntl2 = RREG16(0x4088);
3748 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
3749 link_cntl2 |= 0x2;
3750 WREG16(0x4088, link_cntl2);
3751 WREG32(MM_CFGREGS_CNTL, 0);
3752
3753 if ((rdev->family == CHIP_RV670) ||
3754 (rdev->family == CHIP_RV620) ||
3755 (rdev->family == CHIP_RV635)) {
3756 training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
3757 training_cntl &= ~LC_POINT_7_PLUS_EN;
3758 WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
3759 } else {
3760 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3761 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3762 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3763 }
3764
3765 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3766 speed_cntl |= LC_GEN2_EN_STRAP;
3767 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3768
3769 } else {
3770 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3771 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3772 if (1)
3773 link_width_cntl |= LC_UPCONFIGURE_DIS;
3774 else
3775 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3776 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3777 }
3778}
1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28
29#include <linux/slab.h>
30#include <linux/seq_file.h>
31#include <linux/firmware.h>
32#include <linux/module.h>
33
34#include <drm/drm_debugfs.h>
35#include <drm/drm_device.h>
36#include <drm/drm_pci.h>
37#include <drm/drm_vblank.h>
38#include <drm/radeon_drm.h>
39
40#include "atom.h"
41#include "avivod.h"
42#include "r600d.h"
43#include "radeon.h"
44#include "radeon_asic.h"
45#include "radeon_audio.h"
46#include "radeon_mode.h"
47#include "radeon_ucode.h"
48
49/* Firmware Names */
50MODULE_FIRMWARE("radeon/R600_pfp.bin");
51MODULE_FIRMWARE("radeon/R600_me.bin");
52MODULE_FIRMWARE("radeon/RV610_pfp.bin");
53MODULE_FIRMWARE("radeon/RV610_me.bin");
54MODULE_FIRMWARE("radeon/RV630_pfp.bin");
55MODULE_FIRMWARE("radeon/RV630_me.bin");
56MODULE_FIRMWARE("radeon/RV620_pfp.bin");
57MODULE_FIRMWARE("radeon/RV620_me.bin");
58MODULE_FIRMWARE("radeon/RV635_pfp.bin");
59MODULE_FIRMWARE("radeon/RV635_me.bin");
60MODULE_FIRMWARE("radeon/RV670_pfp.bin");
61MODULE_FIRMWARE("radeon/RV670_me.bin");
62MODULE_FIRMWARE("radeon/RS780_pfp.bin");
63MODULE_FIRMWARE("radeon/RS780_me.bin");
64MODULE_FIRMWARE("radeon/RV770_pfp.bin");
65MODULE_FIRMWARE("radeon/RV770_me.bin");
66MODULE_FIRMWARE("radeon/RV770_smc.bin");
67MODULE_FIRMWARE("radeon/RV730_pfp.bin");
68MODULE_FIRMWARE("radeon/RV730_me.bin");
69MODULE_FIRMWARE("radeon/RV730_smc.bin");
70MODULE_FIRMWARE("radeon/RV740_smc.bin");
71MODULE_FIRMWARE("radeon/RV710_pfp.bin");
72MODULE_FIRMWARE("radeon/RV710_me.bin");
73MODULE_FIRMWARE("radeon/RV710_smc.bin");
74MODULE_FIRMWARE("radeon/R600_rlc.bin");
75MODULE_FIRMWARE("radeon/R700_rlc.bin");
76MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
77MODULE_FIRMWARE("radeon/CEDAR_me.bin");
78MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
79MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
80MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
81MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
82MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
83MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
84MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
85MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
86MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
87MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
88MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
89MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
90MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
91MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
92MODULE_FIRMWARE("radeon/PALM_pfp.bin");
93MODULE_FIRMWARE("radeon/PALM_me.bin");
94MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
95MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
96MODULE_FIRMWARE("radeon/SUMO_me.bin");
97MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
98MODULE_FIRMWARE("radeon/SUMO2_me.bin");
99
100static const u32 crtc_offsets[2] =
101{
102 0,
103 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
104};
105
106int r600_debugfs_mc_info_init(struct radeon_device *rdev);
107
108/* r600,rv610,rv630,rv620,rv635,rv670 */
109int r600_mc_wait_for_idle(struct radeon_device *rdev);
110static void r600_gpu_init(struct radeon_device *rdev);
111void r600_fini(struct radeon_device *rdev);
112void r600_irq_disable(struct radeon_device *rdev);
113static void r600_pcie_gen2_enable(struct radeon_device *rdev);
114extern int evergreen_rlc_resume(struct radeon_device *rdev);
115extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
116
117/*
118 * Indirect registers accessor
119 */
120u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
121{
122 unsigned long flags;
123 u32 r;
124
125 spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
126 WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
127 r = RREG32(R600_RCU_DATA);
128 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
129 return r;
130}
131
132void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
133{
134 unsigned long flags;
135
136 spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
137 WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
138 WREG32(R600_RCU_DATA, (v));
139 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
140}
141
142u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
143{
144 unsigned long flags;
145 u32 r;
146
147 spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
148 WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
149 r = RREG32(R600_UVD_CTX_DATA);
150 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
151 return r;
152}
153
154void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
155{
156 unsigned long flags;
157
158 spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
159 WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
160 WREG32(R600_UVD_CTX_DATA, (v));
161 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
162}
163
164/**
165 * r600_get_allowed_info_register - fetch the register for the info ioctl
166 *
167 * @rdev: radeon_device pointer
168 * @reg: register offset in bytes
169 * @val: register value
170 *
171 * Returns 0 for success or -EINVAL for an invalid register
172 *
173 */
174int r600_get_allowed_info_register(struct radeon_device *rdev,
175 u32 reg, u32 *val)
176{
177 switch (reg) {
178 case GRBM_STATUS:
179 case GRBM_STATUS2:
180 case R_000E50_SRBM_STATUS:
181 case DMA_STATUS_REG:
182 case UVD_STATUS:
183 *val = RREG32(reg);
184 return 0;
185 default:
186 return -EINVAL;
187 }
188}
189
190/**
191 * r600_get_xclk - get the xclk
192 *
193 * @rdev: radeon_device pointer
194 *
195 * Returns the reference clock used by the gfx engine
196 * (r6xx, IGPs, APUs).
197 */
198u32 r600_get_xclk(struct radeon_device *rdev)
199{
200 return rdev->clock.spll.reference_freq;
201}
202
203int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
204{
205 unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0;
206 int r;
207
208 /* bypass vclk and dclk with bclk */
209 WREG32_P(CG_UPLL_FUNC_CNTL_2,
210 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
211 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
212
213 /* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */
214 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~(
215 UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK));
216
217 if (rdev->family >= CHIP_RS780)
218 WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL,
219 ~UPLL_BYPASS_CNTL);
220
221 if (!vclk || !dclk) {
222 /* keep the Bypass mode, put PLL to sleep */
223 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
224 return 0;
225 }
226
227 if (rdev->clock.spll.reference_freq == 10000)
228 ref_div = 34;
229 else
230 ref_div = 4;
231
232 r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
233 ref_div + 1, 0xFFF, 2, 30, ~0,
234 &fb_div, &vclk_div, &dclk_div);
235 if (r)
236 return r;
237
238 if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780)
239 fb_div >>= 1;
240 else
241 fb_div |= 1;
242
243 r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
244 if (r)
245 return r;
246
247 /* assert PLL_RESET */
248 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
249
250 /* For RS780 we have to choose ref clk */
251 if (rdev->family >= CHIP_RS780)
252 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK,
253 ~UPLL_REFCLK_SRC_SEL_MASK);
254
255 /* set the required fb, ref and post divder values */
256 WREG32_P(CG_UPLL_FUNC_CNTL,
257 UPLL_FB_DIV(fb_div) |
258 UPLL_REF_DIV(ref_div),
259 ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK));
260 WREG32_P(CG_UPLL_FUNC_CNTL_2,
261 UPLL_SW_HILEN(vclk_div >> 1) |
262 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
263 UPLL_SW_HILEN2(dclk_div >> 1) |
264 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) |
265 UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK,
266 ~UPLL_SW_MASK);
267
268 /* give the PLL some time to settle */
269 mdelay(15);
270
271 /* deassert PLL_RESET */
272 WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
273
274 mdelay(15);
275
276 /* deassert BYPASS EN */
277 WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
278
279 if (rdev->family >= CHIP_RS780)
280 WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL);
281
282 r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
283 if (r)
284 return r;
285
286 /* switch VCLK and DCLK selection */
287 WREG32_P(CG_UPLL_FUNC_CNTL_2,
288 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
289 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
290
291 mdelay(100);
292
293 return 0;
294}
295
296void dce3_program_fmt(struct drm_encoder *encoder)
297{
298 struct drm_device *dev = encoder->dev;
299 struct radeon_device *rdev = dev->dev_private;
300 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
301 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
302 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
303 int bpc = 0;
304 u32 tmp = 0;
305 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
306
307 if (connector) {
308 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
309 bpc = radeon_get_monitor_bpc(connector);
310 dither = radeon_connector->dither;
311 }
312
313 /* LVDS FMT is set up by atom */
314 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
315 return;
316
317 /* not needed for analog */
318 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
319 (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
320 return;
321
322 if (bpc == 0)
323 return;
324
325 switch (bpc) {
326 case 6:
327 if (dither == RADEON_FMT_DITHER_ENABLE)
328 /* XXX sort out optimal dither settings */
329 tmp |= FMT_SPATIAL_DITHER_EN;
330 else
331 tmp |= FMT_TRUNCATE_EN;
332 break;
333 case 8:
334 if (dither == RADEON_FMT_DITHER_ENABLE)
335 /* XXX sort out optimal dither settings */
336 tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
337 else
338 tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
339 break;
340 case 10:
341 default:
342 /* not needed */
343 break;
344 }
345
346 WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
347}
348
349/* get temperature in millidegrees */
350int rv6xx_get_temp(struct radeon_device *rdev)
351{
352 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
353 ASIC_T_SHIFT;
354 int actual_temp = temp & 0xff;
355
356 if (temp & 0x100)
357 actual_temp -= 256;
358
359 return actual_temp * 1000;
360}
361
362void r600_pm_get_dynpm_state(struct radeon_device *rdev)
363{
364 int i;
365
366 rdev->pm.dynpm_can_upclock = true;
367 rdev->pm.dynpm_can_downclock = true;
368
369 /* power state array is low to high, default is first */
370 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
371 int min_power_state_index = 0;
372
373 if (rdev->pm.num_power_states > 2)
374 min_power_state_index = 1;
375
376 switch (rdev->pm.dynpm_planned_action) {
377 case DYNPM_ACTION_MINIMUM:
378 rdev->pm.requested_power_state_index = min_power_state_index;
379 rdev->pm.requested_clock_mode_index = 0;
380 rdev->pm.dynpm_can_downclock = false;
381 break;
382 case DYNPM_ACTION_DOWNCLOCK:
383 if (rdev->pm.current_power_state_index == min_power_state_index) {
384 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
385 rdev->pm.dynpm_can_downclock = false;
386 } else {
387 if (rdev->pm.active_crtc_count > 1) {
388 for (i = 0; i < rdev->pm.num_power_states; i++) {
389 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
390 continue;
391 else if (i >= rdev->pm.current_power_state_index) {
392 rdev->pm.requested_power_state_index =
393 rdev->pm.current_power_state_index;
394 break;
395 } else {
396 rdev->pm.requested_power_state_index = i;
397 break;
398 }
399 }
400 } else {
401 if (rdev->pm.current_power_state_index == 0)
402 rdev->pm.requested_power_state_index =
403 rdev->pm.num_power_states - 1;
404 else
405 rdev->pm.requested_power_state_index =
406 rdev->pm.current_power_state_index - 1;
407 }
408 }
409 rdev->pm.requested_clock_mode_index = 0;
410 /* don't use the power state if crtcs are active and no display flag is set */
411 if ((rdev->pm.active_crtc_count > 0) &&
412 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
413 clock_info[rdev->pm.requested_clock_mode_index].flags &
414 RADEON_PM_MODE_NO_DISPLAY)) {
415 rdev->pm.requested_power_state_index++;
416 }
417 break;
418 case DYNPM_ACTION_UPCLOCK:
419 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
420 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
421 rdev->pm.dynpm_can_upclock = false;
422 } else {
423 if (rdev->pm.active_crtc_count > 1) {
424 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
425 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
426 continue;
427 else if (i <= rdev->pm.current_power_state_index) {
428 rdev->pm.requested_power_state_index =
429 rdev->pm.current_power_state_index;
430 break;
431 } else {
432 rdev->pm.requested_power_state_index = i;
433 break;
434 }
435 }
436 } else
437 rdev->pm.requested_power_state_index =
438 rdev->pm.current_power_state_index + 1;
439 }
440 rdev->pm.requested_clock_mode_index = 0;
441 break;
442 case DYNPM_ACTION_DEFAULT:
443 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
444 rdev->pm.requested_clock_mode_index = 0;
445 rdev->pm.dynpm_can_upclock = false;
446 break;
447 case DYNPM_ACTION_NONE:
448 default:
449 DRM_ERROR("Requested mode for not defined action\n");
450 return;
451 }
452 } else {
453 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
454 /* for now just select the first power state and switch between clock modes */
455 /* power state array is low to high, default is first (0) */
456 if (rdev->pm.active_crtc_count > 1) {
457 rdev->pm.requested_power_state_index = -1;
458 /* start at 1 as we don't want the default mode */
459 for (i = 1; i < rdev->pm.num_power_states; i++) {
460 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
461 continue;
462 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
463 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
464 rdev->pm.requested_power_state_index = i;
465 break;
466 }
467 }
468 /* if nothing selected, grab the default state. */
469 if (rdev->pm.requested_power_state_index == -1)
470 rdev->pm.requested_power_state_index = 0;
471 } else
472 rdev->pm.requested_power_state_index = 1;
473
474 switch (rdev->pm.dynpm_planned_action) {
475 case DYNPM_ACTION_MINIMUM:
476 rdev->pm.requested_clock_mode_index = 0;
477 rdev->pm.dynpm_can_downclock = false;
478 break;
479 case DYNPM_ACTION_DOWNCLOCK:
480 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
481 if (rdev->pm.current_clock_mode_index == 0) {
482 rdev->pm.requested_clock_mode_index = 0;
483 rdev->pm.dynpm_can_downclock = false;
484 } else
485 rdev->pm.requested_clock_mode_index =
486 rdev->pm.current_clock_mode_index - 1;
487 } else {
488 rdev->pm.requested_clock_mode_index = 0;
489 rdev->pm.dynpm_can_downclock = false;
490 }
491 /* don't use the power state if crtcs are active and no display flag is set */
492 if ((rdev->pm.active_crtc_count > 0) &&
493 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
494 clock_info[rdev->pm.requested_clock_mode_index].flags &
495 RADEON_PM_MODE_NO_DISPLAY)) {
496 rdev->pm.requested_clock_mode_index++;
497 }
498 break;
499 case DYNPM_ACTION_UPCLOCK:
500 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
501 if (rdev->pm.current_clock_mode_index ==
502 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
503 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
504 rdev->pm.dynpm_can_upclock = false;
505 } else
506 rdev->pm.requested_clock_mode_index =
507 rdev->pm.current_clock_mode_index + 1;
508 } else {
509 rdev->pm.requested_clock_mode_index =
510 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
511 rdev->pm.dynpm_can_upclock = false;
512 }
513 break;
514 case DYNPM_ACTION_DEFAULT:
515 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
516 rdev->pm.requested_clock_mode_index = 0;
517 rdev->pm.dynpm_can_upclock = false;
518 break;
519 case DYNPM_ACTION_NONE:
520 default:
521 DRM_ERROR("Requested mode for not defined action\n");
522 return;
523 }
524 }
525
526 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
527 rdev->pm.power_state[rdev->pm.requested_power_state_index].
528 clock_info[rdev->pm.requested_clock_mode_index].sclk,
529 rdev->pm.power_state[rdev->pm.requested_power_state_index].
530 clock_info[rdev->pm.requested_clock_mode_index].mclk,
531 rdev->pm.power_state[rdev->pm.requested_power_state_index].
532 pcie_lanes);
533}
534
535void rs780_pm_init_profile(struct radeon_device *rdev)
536{
537 if (rdev->pm.num_power_states == 2) {
538 /* default */
539 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
540 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
541 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
542 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
543 /* low sh */
544 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
545 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
546 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
547 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
548 /* mid sh */
549 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
550 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
551 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
552 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
553 /* high sh */
554 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
555 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
556 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
557 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
558 /* low mh */
559 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
560 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
561 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
562 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
563 /* mid mh */
564 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
565 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
566 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
567 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
568 /* high mh */
569 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
570 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
571 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
572 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
573 } else if (rdev->pm.num_power_states == 3) {
574 /* default */
575 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
576 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
577 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
578 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
579 /* low sh */
580 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
581 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
582 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
583 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
584 /* mid sh */
585 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
586 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
587 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
588 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
589 /* high sh */
590 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
591 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
592 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
593 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
594 /* low mh */
595 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
596 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
597 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
598 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
599 /* mid mh */
600 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
601 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
602 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
603 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
604 /* high mh */
605 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
606 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
607 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
608 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
609 } else {
610 /* default */
611 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
612 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
613 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
614 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
615 /* low sh */
616 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
617 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
618 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
619 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
620 /* mid sh */
621 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
622 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
623 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
624 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
625 /* high sh */
626 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
627 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
628 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
629 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
630 /* low mh */
631 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
632 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
633 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
634 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
635 /* mid mh */
636 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
637 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
638 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
639 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
640 /* high mh */
641 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
642 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
643 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
644 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
645 }
646}
647
648void r600_pm_init_profile(struct radeon_device *rdev)
649{
650 int idx;
651
652 if (rdev->family == CHIP_R600) {
653 /* XXX */
654 /* default */
655 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
656 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
657 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
658 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
659 /* low sh */
660 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
661 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
662 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
663 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
664 /* mid sh */
665 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
666 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
667 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
668 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
669 /* high sh */
670 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
671 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
672 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
673 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
674 /* low mh */
675 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
676 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
677 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
678 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
679 /* mid mh */
680 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
681 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
682 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
683 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
684 /* high mh */
685 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
686 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
687 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
688 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
689 } else {
690 if (rdev->pm.num_power_states < 4) {
691 /* default */
692 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
693 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
694 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
695 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
696 /* low sh */
697 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
698 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
699 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
700 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
701 /* mid sh */
702 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
703 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
704 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
705 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
706 /* high sh */
707 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
708 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
709 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
710 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
711 /* low mh */
712 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
713 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
714 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
715 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
716 /* low mh */
717 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
718 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
719 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
720 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
721 /* high mh */
722 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
723 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
724 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
725 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
726 } else {
727 /* default */
728 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
729 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
730 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
731 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
732 /* low sh */
733 if (rdev->flags & RADEON_IS_MOBILITY)
734 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
735 else
736 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
737 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
738 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
739 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
740 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
741 /* mid sh */
742 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
743 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
744 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
745 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
746 /* high sh */
747 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
748 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
749 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
750 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
751 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
752 /* low mh */
753 if (rdev->flags & RADEON_IS_MOBILITY)
754 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
755 else
756 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
757 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
758 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
759 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
760 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
761 /* mid mh */
762 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
763 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
764 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
765 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
766 /* high mh */
767 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
768 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
769 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
770 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
771 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
772 }
773 }
774}
775
776void r600_pm_misc(struct radeon_device *rdev)
777{
778 int req_ps_idx = rdev->pm.requested_power_state_index;
779 int req_cm_idx = rdev->pm.requested_clock_mode_index;
780 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
781 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
782
783 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
784 /* 0xff01 is a flag rather then an actual voltage */
785 if (voltage->voltage == 0xff01)
786 return;
787 if (voltage->voltage != rdev->pm.current_vddc) {
788 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
789 rdev->pm.current_vddc = voltage->voltage;
790 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
791 }
792 }
793}
794
795bool r600_gui_idle(struct radeon_device *rdev)
796{
797 if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
798 return false;
799 else
800 return true;
801}
802
803/* hpd for digital panel detect/disconnect */
804bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
805{
806 bool connected = false;
807
808 if (ASIC_IS_DCE3(rdev)) {
809 switch (hpd) {
810 case RADEON_HPD_1:
811 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
812 connected = true;
813 break;
814 case RADEON_HPD_2:
815 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
816 connected = true;
817 break;
818 case RADEON_HPD_3:
819 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
820 connected = true;
821 break;
822 case RADEON_HPD_4:
823 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
824 connected = true;
825 break;
826 /* DCE 3.2 */
827 case RADEON_HPD_5:
828 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
829 connected = true;
830 break;
831 case RADEON_HPD_6:
832 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
833 connected = true;
834 break;
835 default:
836 break;
837 }
838 } else {
839 switch (hpd) {
840 case RADEON_HPD_1:
841 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
842 connected = true;
843 break;
844 case RADEON_HPD_2:
845 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
846 connected = true;
847 break;
848 case RADEON_HPD_3:
849 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
850 connected = true;
851 break;
852 default:
853 break;
854 }
855 }
856 return connected;
857}
858
859void r600_hpd_set_polarity(struct radeon_device *rdev,
860 enum radeon_hpd_id hpd)
861{
862 u32 tmp;
863 bool connected = r600_hpd_sense(rdev, hpd);
864
865 if (ASIC_IS_DCE3(rdev)) {
866 switch (hpd) {
867 case RADEON_HPD_1:
868 tmp = RREG32(DC_HPD1_INT_CONTROL);
869 if (connected)
870 tmp &= ~DC_HPDx_INT_POLARITY;
871 else
872 tmp |= DC_HPDx_INT_POLARITY;
873 WREG32(DC_HPD1_INT_CONTROL, tmp);
874 break;
875 case RADEON_HPD_2:
876 tmp = RREG32(DC_HPD2_INT_CONTROL);
877 if (connected)
878 tmp &= ~DC_HPDx_INT_POLARITY;
879 else
880 tmp |= DC_HPDx_INT_POLARITY;
881 WREG32(DC_HPD2_INT_CONTROL, tmp);
882 break;
883 case RADEON_HPD_3:
884 tmp = RREG32(DC_HPD3_INT_CONTROL);
885 if (connected)
886 tmp &= ~DC_HPDx_INT_POLARITY;
887 else
888 tmp |= DC_HPDx_INT_POLARITY;
889 WREG32(DC_HPD3_INT_CONTROL, tmp);
890 break;
891 case RADEON_HPD_4:
892 tmp = RREG32(DC_HPD4_INT_CONTROL);
893 if (connected)
894 tmp &= ~DC_HPDx_INT_POLARITY;
895 else
896 tmp |= DC_HPDx_INT_POLARITY;
897 WREG32(DC_HPD4_INT_CONTROL, tmp);
898 break;
899 case RADEON_HPD_5:
900 tmp = RREG32(DC_HPD5_INT_CONTROL);
901 if (connected)
902 tmp &= ~DC_HPDx_INT_POLARITY;
903 else
904 tmp |= DC_HPDx_INT_POLARITY;
905 WREG32(DC_HPD5_INT_CONTROL, tmp);
906 break;
907 /* DCE 3.2 */
908 case RADEON_HPD_6:
909 tmp = RREG32(DC_HPD6_INT_CONTROL);
910 if (connected)
911 tmp &= ~DC_HPDx_INT_POLARITY;
912 else
913 tmp |= DC_HPDx_INT_POLARITY;
914 WREG32(DC_HPD6_INT_CONTROL, tmp);
915 break;
916 default:
917 break;
918 }
919 } else {
920 switch (hpd) {
921 case RADEON_HPD_1:
922 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
923 if (connected)
924 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
925 else
926 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
927 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
928 break;
929 case RADEON_HPD_2:
930 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
931 if (connected)
932 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
933 else
934 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
935 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
936 break;
937 case RADEON_HPD_3:
938 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
939 if (connected)
940 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
941 else
942 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
943 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
944 break;
945 default:
946 break;
947 }
948 }
949}
950
951void r600_hpd_init(struct radeon_device *rdev)
952{
953 struct drm_device *dev = rdev->ddev;
954 struct drm_connector *connector;
955 unsigned enable = 0;
956
957 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
958 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
959
960 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
961 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
962 /* don't try to enable hpd on eDP or LVDS avoid breaking the
963 * aux dp channel on imac and help (but not completely fix)
964 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
965 */
966 continue;
967 }
968 if (ASIC_IS_DCE3(rdev)) {
969 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
970 if (ASIC_IS_DCE32(rdev))
971 tmp |= DC_HPDx_EN;
972
973 switch (radeon_connector->hpd.hpd) {
974 case RADEON_HPD_1:
975 WREG32(DC_HPD1_CONTROL, tmp);
976 break;
977 case RADEON_HPD_2:
978 WREG32(DC_HPD2_CONTROL, tmp);
979 break;
980 case RADEON_HPD_3:
981 WREG32(DC_HPD3_CONTROL, tmp);
982 break;
983 case RADEON_HPD_4:
984 WREG32(DC_HPD4_CONTROL, tmp);
985 break;
986 /* DCE 3.2 */
987 case RADEON_HPD_5:
988 WREG32(DC_HPD5_CONTROL, tmp);
989 break;
990 case RADEON_HPD_6:
991 WREG32(DC_HPD6_CONTROL, tmp);
992 break;
993 default:
994 break;
995 }
996 } else {
997 switch (radeon_connector->hpd.hpd) {
998 case RADEON_HPD_1:
999 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1000 break;
1001 case RADEON_HPD_2:
1002 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1003 break;
1004 case RADEON_HPD_3:
1005 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1006 break;
1007 default:
1008 break;
1009 }
1010 }
1011 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
1012 enable |= 1 << radeon_connector->hpd.hpd;
1013 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
1014 }
1015 radeon_irq_kms_enable_hpd(rdev, enable);
1016}
1017
1018void r600_hpd_fini(struct radeon_device *rdev)
1019{
1020 struct drm_device *dev = rdev->ddev;
1021 struct drm_connector *connector;
1022 unsigned disable = 0;
1023
1024 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1025 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1026 if (ASIC_IS_DCE3(rdev)) {
1027 switch (radeon_connector->hpd.hpd) {
1028 case RADEON_HPD_1:
1029 WREG32(DC_HPD1_CONTROL, 0);
1030 break;
1031 case RADEON_HPD_2:
1032 WREG32(DC_HPD2_CONTROL, 0);
1033 break;
1034 case RADEON_HPD_3:
1035 WREG32(DC_HPD3_CONTROL, 0);
1036 break;
1037 case RADEON_HPD_4:
1038 WREG32(DC_HPD4_CONTROL, 0);
1039 break;
1040 /* DCE 3.2 */
1041 case RADEON_HPD_5:
1042 WREG32(DC_HPD5_CONTROL, 0);
1043 break;
1044 case RADEON_HPD_6:
1045 WREG32(DC_HPD6_CONTROL, 0);
1046 break;
1047 default:
1048 break;
1049 }
1050 } else {
1051 switch (radeon_connector->hpd.hpd) {
1052 case RADEON_HPD_1:
1053 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
1054 break;
1055 case RADEON_HPD_2:
1056 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
1057 break;
1058 case RADEON_HPD_3:
1059 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
1060 break;
1061 default:
1062 break;
1063 }
1064 }
1065 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
1066 disable |= 1 << radeon_connector->hpd.hpd;
1067 }
1068 radeon_irq_kms_disable_hpd(rdev, disable);
1069}
1070
1071/*
1072 * R600 PCIE GART
1073 */
1074void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
1075{
1076 unsigned i;
1077 u32 tmp;
1078
1079 /* flush hdp cache so updates hit vram */
1080 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
1081 !(rdev->flags & RADEON_IS_AGP)) {
1082 void __iomem *ptr = (void *)rdev->gart.ptr;
1083 u32 tmp;
1084
1085 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
1086 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
1087 * This seems to cause problems on some AGP cards. Just use the old
1088 * method for them.
1089 */
1090 WREG32(HDP_DEBUG1, 0);
1091 tmp = readl((void __iomem *)ptr);
1092 } else
1093 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1094
1095 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
1096 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
1097 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
1098 for (i = 0; i < rdev->usec_timeout; i++) {
1099 /* read MC_STATUS */
1100 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
1101 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
1102 if (tmp == 2) {
1103 pr_warn("[drm] r600 flush TLB failed\n");
1104 return;
1105 }
1106 if (tmp) {
1107 return;
1108 }
1109 udelay(1);
1110 }
1111}
1112
1113int r600_pcie_gart_init(struct radeon_device *rdev)
1114{
1115 int r;
1116
1117 if (rdev->gart.robj) {
1118 WARN(1, "R600 PCIE GART already initialized\n");
1119 return 0;
1120 }
1121 /* Initialize common gart structure */
1122 r = radeon_gart_init(rdev);
1123 if (r)
1124 return r;
1125 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
1126 return radeon_gart_table_vram_alloc(rdev);
1127}
1128
1129static int r600_pcie_gart_enable(struct radeon_device *rdev)
1130{
1131 u32 tmp;
1132 int r, i;
1133
1134 if (rdev->gart.robj == NULL) {
1135 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1136 return -EINVAL;
1137 }
1138 r = radeon_gart_table_vram_pin(rdev);
1139 if (r)
1140 return r;
1141
1142 /* Setup L2 cache */
1143 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1144 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1145 EFFECTIVE_L2_QUEUE_SIZE(7));
1146 WREG32(VM_L2_CNTL2, 0);
1147 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1148 /* Setup TLB control */
1149 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1150 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1151 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1152 ENABLE_WAIT_L2_QUERY;
1153 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1154 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1155 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1156 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1157 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1158 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1159 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1160 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1161 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1162 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1163 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1164 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1165 WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1166 WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1167 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1168 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1169 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1170 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1171 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1172 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1173 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1174 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1175 (u32)(rdev->dummy_page.addr >> 12));
1176 for (i = 1; i < 7; i++)
1177 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1178
1179 r600_pcie_gart_tlb_flush(rdev);
1180 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1181 (unsigned)(rdev->mc.gtt_size >> 20),
1182 (unsigned long long)rdev->gart.table_addr);
1183 rdev->gart.ready = true;
1184 return 0;
1185}
1186
1187static void r600_pcie_gart_disable(struct radeon_device *rdev)
1188{
1189 u32 tmp;
1190 int i;
1191
1192 /* Disable all tables */
1193 for (i = 0; i < 7; i++)
1194 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1195
1196 /* Disable L2 cache */
1197 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1198 EFFECTIVE_L2_QUEUE_SIZE(7));
1199 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1200 /* Setup L1 TLB control */
1201 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1202 ENABLE_WAIT_L2_QUERY;
1203 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1204 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1205 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1206 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1207 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1208 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1209 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1210 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1211 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1212 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1213 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1214 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1215 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1216 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1217 WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1218 WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1219 radeon_gart_table_vram_unpin(rdev);
1220}
1221
1222static void r600_pcie_gart_fini(struct radeon_device *rdev)
1223{
1224 radeon_gart_fini(rdev);
1225 r600_pcie_gart_disable(rdev);
1226 radeon_gart_table_vram_free(rdev);
1227}
1228
1229static void r600_agp_enable(struct radeon_device *rdev)
1230{
1231 u32 tmp;
1232 int i;
1233
1234 /* Setup L2 cache */
1235 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1236 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1237 EFFECTIVE_L2_QUEUE_SIZE(7));
1238 WREG32(VM_L2_CNTL2, 0);
1239 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1240 /* Setup TLB control */
1241 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1242 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1243 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1244 ENABLE_WAIT_L2_QUERY;
1245 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1246 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1247 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1248 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1249 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1250 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1251 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1252 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1253 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1254 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1255 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1256 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1257 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1258 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1259 for (i = 0; i < 7; i++)
1260 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1261}
1262
1263int r600_mc_wait_for_idle(struct radeon_device *rdev)
1264{
1265 unsigned i;
1266 u32 tmp;
1267
1268 for (i = 0; i < rdev->usec_timeout; i++) {
1269 /* read MC_STATUS */
1270 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1271 if (!tmp)
1272 return 0;
1273 udelay(1);
1274 }
1275 return -1;
1276}
1277
1278uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1279{
1280 unsigned long flags;
1281 uint32_t r;
1282
1283 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1284 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1285 r = RREG32(R_0028FC_MC_DATA);
1286 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1287 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1288 return r;
1289}
1290
1291void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1292{
1293 unsigned long flags;
1294
1295 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1296 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1297 S_0028F8_MC_IND_WR_EN(1));
1298 WREG32(R_0028FC_MC_DATA, v);
1299 WREG32(R_0028F8_MC_INDEX, 0x7F);
1300 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1301}
1302
1303static void r600_mc_program(struct radeon_device *rdev)
1304{
1305 struct rv515_mc_save save;
1306 u32 tmp;
1307 int i, j;
1308
1309 /* Initialize HDP */
1310 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1311 WREG32((0x2c14 + j), 0x00000000);
1312 WREG32((0x2c18 + j), 0x00000000);
1313 WREG32((0x2c1c + j), 0x00000000);
1314 WREG32((0x2c20 + j), 0x00000000);
1315 WREG32((0x2c24 + j), 0x00000000);
1316 }
1317 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1318
1319 rv515_mc_stop(rdev, &save);
1320 if (r600_mc_wait_for_idle(rdev)) {
1321 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1322 }
1323 /* Lockout access through VGA aperture (doesn't exist before R600) */
1324 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1325 /* Update configuration */
1326 if (rdev->flags & RADEON_IS_AGP) {
1327 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1328 /* VRAM before AGP */
1329 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1330 rdev->mc.vram_start >> 12);
1331 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1332 rdev->mc.gtt_end >> 12);
1333 } else {
1334 /* VRAM after AGP */
1335 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1336 rdev->mc.gtt_start >> 12);
1337 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1338 rdev->mc.vram_end >> 12);
1339 }
1340 } else {
1341 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1342 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1343 }
1344 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1345 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1346 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1347 WREG32(MC_VM_FB_LOCATION, tmp);
1348 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1349 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1350 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1351 if (rdev->flags & RADEON_IS_AGP) {
1352 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1353 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1354 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1355 } else {
1356 WREG32(MC_VM_AGP_BASE, 0);
1357 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1358 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1359 }
1360 if (r600_mc_wait_for_idle(rdev)) {
1361 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1362 }
1363 rv515_mc_resume(rdev, &save);
1364 /* we need to own VRAM, so turn off the VGA renderer here
1365 * to stop it overwriting our objects */
1366 rv515_vga_render_disable(rdev);
1367}
1368
1369/**
1370 * r600_vram_gtt_location - try to find VRAM & GTT location
1371 * @rdev: radeon device structure holding all necessary informations
1372 * @mc: memory controller structure holding memory informations
1373 *
1374 * Function will place try to place VRAM at same place as in CPU (PCI)
1375 * address space as some GPU seems to have issue when we reprogram at
1376 * different address space.
1377 *
1378 * If there is not enough space to fit the unvisible VRAM after the
1379 * aperture then we limit the VRAM size to the aperture.
1380 *
1381 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1382 * them to be in one from GPU point of view so that we can program GPU to
1383 * catch access outside them (weird GPU policy see ??).
1384 *
1385 * This function will never fails, worst case are limiting VRAM or GTT.
1386 *
1387 * Note: GTT start, end, size should be initialized before calling this
1388 * function on AGP platform.
1389 */
1390static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1391{
1392 u64 size_bf, size_af;
1393
1394 if (mc->mc_vram_size > 0xE0000000) {
1395 /* leave room for at least 512M GTT */
1396 dev_warn(rdev->dev, "limiting VRAM\n");
1397 mc->real_vram_size = 0xE0000000;
1398 mc->mc_vram_size = 0xE0000000;
1399 }
1400 if (rdev->flags & RADEON_IS_AGP) {
1401 size_bf = mc->gtt_start;
1402 size_af = mc->mc_mask - mc->gtt_end;
1403 if (size_bf > size_af) {
1404 if (mc->mc_vram_size > size_bf) {
1405 dev_warn(rdev->dev, "limiting VRAM\n");
1406 mc->real_vram_size = size_bf;
1407 mc->mc_vram_size = size_bf;
1408 }
1409 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1410 } else {
1411 if (mc->mc_vram_size > size_af) {
1412 dev_warn(rdev->dev, "limiting VRAM\n");
1413 mc->real_vram_size = size_af;
1414 mc->mc_vram_size = size_af;
1415 }
1416 mc->vram_start = mc->gtt_end + 1;
1417 }
1418 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1419 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1420 mc->mc_vram_size >> 20, mc->vram_start,
1421 mc->vram_end, mc->real_vram_size >> 20);
1422 } else {
1423 u64 base = 0;
1424 if (rdev->flags & RADEON_IS_IGP) {
1425 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1426 base <<= 24;
1427 }
1428 radeon_vram_location(rdev, &rdev->mc, base);
1429 rdev->mc.gtt_base_align = 0;
1430 radeon_gtt_location(rdev, mc);
1431 }
1432}
1433
1434static int r600_mc_init(struct radeon_device *rdev)
1435{
1436 u32 tmp;
1437 int chansize, numchan;
1438 uint32_t h_addr, l_addr;
1439 unsigned long long k8_addr;
1440
1441 /* Get VRAM informations */
1442 rdev->mc.vram_is_ddr = true;
1443 tmp = RREG32(RAMCFG);
1444 if (tmp & CHANSIZE_OVERRIDE) {
1445 chansize = 16;
1446 } else if (tmp & CHANSIZE_MASK) {
1447 chansize = 64;
1448 } else {
1449 chansize = 32;
1450 }
1451 tmp = RREG32(CHMAP);
1452 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1453 case 0:
1454 default:
1455 numchan = 1;
1456 break;
1457 case 1:
1458 numchan = 2;
1459 break;
1460 case 2:
1461 numchan = 4;
1462 break;
1463 case 3:
1464 numchan = 8;
1465 break;
1466 }
1467 rdev->mc.vram_width = numchan * chansize;
1468 /* Could aper size report 0 ? */
1469 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1470 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1471 /* Setup GPU memory space */
1472 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1473 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1474 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1475 r600_vram_gtt_location(rdev, &rdev->mc);
1476
1477 if (rdev->flags & RADEON_IS_IGP) {
1478 rs690_pm_info(rdev);
1479 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1480
1481 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1482 /* Use K8 direct mapping for fast fb access. */
1483 rdev->fastfb_working = false;
1484 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1485 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1486 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1487#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1488 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1489#endif
1490 {
1491 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1492 * memory is present.
1493 */
1494 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1495 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1496 (unsigned long long)rdev->mc.aper_base, k8_addr);
1497 rdev->mc.aper_base = (resource_size_t)k8_addr;
1498 rdev->fastfb_working = true;
1499 }
1500 }
1501 }
1502 }
1503
1504 radeon_update_bandwidth_info(rdev);
1505 return 0;
1506}
1507
1508int r600_vram_scratch_init(struct radeon_device *rdev)
1509{
1510 int r;
1511
1512 if (rdev->vram_scratch.robj == NULL) {
1513 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1514 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1515 0, NULL, NULL, &rdev->vram_scratch.robj);
1516 if (r) {
1517 return r;
1518 }
1519 }
1520
1521 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1522 if (unlikely(r != 0))
1523 return r;
1524 r = radeon_bo_pin(rdev->vram_scratch.robj,
1525 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1526 if (r) {
1527 radeon_bo_unreserve(rdev->vram_scratch.robj);
1528 return r;
1529 }
1530 r = radeon_bo_kmap(rdev->vram_scratch.robj,
1531 (void **)&rdev->vram_scratch.ptr);
1532 if (r)
1533 radeon_bo_unpin(rdev->vram_scratch.robj);
1534 radeon_bo_unreserve(rdev->vram_scratch.robj);
1535
1536 return r;
1537}
1538
1539void r600_vram_scratch_fini(struct radeon_device *rdev)
1540{
1541 int r;
1542
1543 if (rdev->vram_scratch.robj == NULL) {
1544 return;
1545 }
1546 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1547 if (likely(r == 0)) {
1548 radeon_bo_kunmap(rdev->vram_scratch.robj);
1549 radeon_bo_unpin(rdev->vram_scratch.robj);
1550 radeon_bo_unreserve(rdev->vram_scratch.robj);
1551 }
1552 radeon_bo_unref(&rdev->vram_scratch.robj);
1553}
1554
1555void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1556{
1557 u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1558
1559 if (hung)
1560 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1561 else
1562 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1563
1564 WREG32(R600_BIOS_3_SCRATCH, tmp);
1565}
1566
1567static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1568{
1569 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n",
1570 RREG32(R_008010_GRBM_STATUS));
1571 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
1572 RREG32(R_008014_GRBM_STATUS2));
1573 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
1574 RREG32(R_000E50_SRBM_STATUS));
1575 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1576 RREG32(CP_STALLED_STAT1));
1577 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1578 RREG32(CP_STALLED_STAT2));
1579 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
1580 RREG32(CP_BUSY_STAT));
1581 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
1582 RREG32(CP_STAT));
1583 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
1584 RREG32(DMA_STATUS_REG));
1585}
1586
1587static bool r600_is_display_hung(struct radeon_device *rdev)
1588{
1589 u32 crtc_hung = 0;
1590 u32 crtc_status[2];
1591 u32 i, j, tmp;
1592
1593 for (i = 0; i < rdev->num_crtc; i++) {
1594 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1595 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1596 crtc_hung |= (1 << i);
1597 }
1598 }
1599
1600 for (j = 0; j < 10; j++) {
1601 for (i = 0; i < rdev->num_crtc; i++) {
1602 if (crtc_hung & (1 << i)) {
1603 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1604 if (tmp != crtc_status[i])
1605 crtc_hung &= ~(1 << i);
1606 }
1607 }
1608 if (crtc_hung == 0)
1609 return false;
1610 udelay(100);
1611 }
1612
1613 return true;
1614}
1615
1616u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1617{
1618 u32 reset_mask = 0;
1619 u32 tmp;
1620
1621 /* GRBM_STATUS */
1622 tmp = RREG32(R_008010_GRBM_STATUS);
1623 if (rdev->family >= CHIP_RV770) {
1624 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1625 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1626 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1627 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1628 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1629 reset_mask |= RADEON_RESET_GFX;
1630 } else {
1631 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1632 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1633 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1634 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1635 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1636 reset_mask |= RADEON_RESET_GFX;
1637 }
1638
1639 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1640 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1641 reset_mask |= RADEON_RESET_CP;
1642
1643 if (G_008010_GRBM_EE_BUSY(tmp))
1644 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1645
1646 /* DMA_STATUS_REG */
1647 tmp = RREG32(DMA_STATUS_REG);
1648 if (!(tmp & DMA_IDLE))
1649 reset_mask |= RADEON_RESET_DMA;
1650
1651 /* SRBM_STATUS */
1652 tmp = RREG32(R_000E50_SRBM_STATUS);
1653 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1654 reset_mask |= RADEON_RESET_RLC;
1655
1656 if (G_000E50_IH_BUSY(tmp))
1657 reset_mask |= RADEON_RESET_IH;
1658
1659 if (G_000E50_SEM_BUSY(tmp))
1660 reset_mask |= RADEON_RESET_SEM;
1661
1662 if (G_000E50_GRBM_RQ_PENDING(tmp))
1663 reset_mask |= RADEON_RESET_GRBM;
1664
1665 if (G_000E50_VMC_BUSY(tmp))
1666 reset_mask |= RADEON_RESET_VMC;
1667
1668 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1669 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1670 G_000E50_MCDW_BUSY(tmp))
1671 reset_mask |= RADEON_RESET_MC;
1672
1673 if (r600_is_display_hung(rdev))
1674 reset_mask |= RADEON_RESET_DISPLAY;
1675
1676 /* Skip MC reset as it's mostly likely not hung, just busy */
1677 if (reset_mask & RADEON_RESET_MC) {
1678 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1679 reset_mask &= ~RADEON_RESET_MC;
1680 }
1681
1682 return reset_mask;
1683}
1684
1685static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1686{
1687 struct rv515_mc_save save;
1688 u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1689 u32 tmp;
1690
1691 if (reset_mask == 0)
1692 return;
1693
1694 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1695
1696 r600_print_gpu_status_regs(rdev);
1697
1698 /* Disable CP parsing/prefetching */
1699 if (rdev->family >= CHIP_RV770)
1700 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1701 else
1702 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1703
1704 /* disable the RLC */
1705 WREG32(RLC_CNTL, 0);
1706
1707 if (reset_mask & RADEON_RESET_DMA) {
1708 /* Disable DMA */
1709 tmp = RREG32(DMA_RB_CNTL);
1710 tmp &= ~DMA_RB_ENABLE;
1711 WREG32(DMA_RB_CNTL, tmp);
1712 }
1713
1714 mdelay(50);
1715
1716 rv515_mc_stop(rdev, &save);
1717 if (r600_mc_wait_for_idle(rdev)) {
1718 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1719 }
1720
1721 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1722 if (rdev->family >= CHIP_RV770)
1723 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
1724 S_008020_SOFT_RESET_CB(1) |
1725 S_008020_SOFT_RESET_PA(1) |
1726 S_008020_SOFT_RESET_SC(1) |
1727 S_008020_SOFT_RESET_SPI(1) |
1728 S_008020_SOFT_RESET_SX(1) |
1729 S_008020_SOFT_RESET_SH(1) |
1730 S_008020_SOFT_RESET_TC(1) |
1731 S_008020_SOFT_RESET_TA(1) |
1732 S_008020_SOFT_RESET_VC(1) |
1733 S_008020_SOFT_RESET_VGT(1);
1734 else
1735 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1736 S_008020_SOFT_RESET_DB(1) |
1737 S_008020_SOFT_RESET_CB(1) |
1738 S_008020_SOFT_RESET_PA(1) |
1739 S_008020_SOFT_RESET_SC(1) |
1740 S_008020_SOFT_RESET_SMX(1) |
1741 S_008020_SOFT_RESET_SPI(1) |
1742 S_008020_SOFT_RESET_SX(1) |
1743 S_008020_SOFT_RESET_SH(1) |
1744 S_008020_SOFT_RESET_TC(1) |
1745 S_008020_SOFT_RESET_TA(1) |
1746 S_008020_SOFT_RESET_VC(1) |
1747 S_008020_SOFT_RESET_VGT(1);
1748 }
1749
1750 if (reset_mask & RADEON_RESET_CP) {
1751 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1752 S_008020_SOFT_RESET_VGT(1);
1753
1754 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1755 }
1756
1757 if (reset_mask & RADEON_RESET_DMA) {
1758 if (rdev->family >= CHIP_RV770)
1759 srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1760 else
1761 srbm_soft_reset |= SOFT_RESET_DMA;
1762 }
1763
1764 if (reset_mask & RADEON_RESET_RLC)
1765 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1766
1767 if (reset_mask & RADEON_RESET_SEM)
1768 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1769
1770 if (reset_mask & RADEON_RESET_IH)
1771 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1772
1773 if (reset_mask & RADEON_RESET_GRBM)
1774 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1775
1776 if (!(rdev->flags & RADEON_IS_IGP)) {
1777 if (reset_mask & RADEON_RESET_MC)
1778 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1779 }
1780
1781 if (reset_mask & RADEON_RESET_VMC)
1782 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1783
1784 if (grbm_soft_reset) {
1785 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1786 tmp |= grbm_soft_reset;
1787 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1788 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1789 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1790
1791 udelay(50);
1792
1793 tmp &= ~grbm_soft_reset;
1794 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1795 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1796 }
1797
1798 if (srbm_soft_reset) {
1799 tmp = RREG32(SRBM_SOFT_RESET);
1800 tmp |= srbm_soft_reset;
1801 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1802 WREG32(SRBM_SOFT_RESET, tmp);
1803 tmp = RREG32(SRBM_SOFT_RESET);
1804
1805 udelay(50);
1806
1807 tmp &= ~srbm_soft_reset;
1808 WREG32(SRBM_SOFT_RESET, tmp);
1809 tmp = RREG32(SRBM_SOFT_RESET);
1810 }
1811
1812 /* Wait a little for things to settle down */
1813 mdelay(1);
1814
1815 rv515_mc_resume(rdev, &save);
1816 udelay(50);
1817
1818 r600_print_gpu_status_regs(rdev);
1819}
1820
1821static void r600_gpu_pci_config_reset(struct radeon_device *rdev)
1822{
1823 struct rv515_mc_save save;
1824 u32 tmp, i;
1825
1826 dev_info(rdev->dev, "GPU pci config reset\n");
1827
1828 /* disable dpm? */
1829
1830 /* Disable CP parsing/prefetching */
1831 if (rdev->family >= CHIP_RV770)
1832 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1833 else
1834 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1835
1836 /* disable the RLC */
1837 WREG32(RLC_CNTL, 0);
1838
1839 /* Disable DMA */
1840 tmp = RREG32(DMA_RB_CNTL);
1841 tmp &= ~DMA_RB_ENABLE;
1842 WREG32(DMA_RB_CNTL, tmp);
1843
1844 mdelay(50);
1845
1846 /* set mclk/sclk to bypass */
1847 if (rdev->family >= CHIP_RV770)
1848 rv770_set_clk_bypass_mode(rdev);
1849 /* disable BM */
1850 pci_clear_master(rdev->pdev);
1851 /* disable mem access */
1852 rv515_mc_stop(rdev, &save);
1853 if (r600_mc_wait_for_idle(rdev)) {
1854 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1855 }
1856
1857 /* BIF reset workaround. Not sure if this is needed on 6xx */
1858 tmp = RREG32(BUS_CNTL);
1859 tmp |= VGA_COHE_SPEC_TIMER_DIS;
1860 WREG32(BUS_CNTL, tmp);
1861
1862 tmp = RREG32(BIF_SCRATCH0);
1863
1864 /* reset */
1865 radeon_pci_config_reset(rdev);
1866 mdelay(1);
1867
1868 /* BIF reset workaround. Not sure if this is needed on 6xx */
1869 tmp = SOFT_RESET_BIF;
1870 WREG32(SRBM_SOFT_RESET, tmp);
1871 mdelay(1);
1872 WREG32(SRBM_SOFT_RESET, 0);
1873
1874 /* wait for asic to come out of reset */
1875 for (i = 0; i < rdev->usec_timeout; i++) {
1876 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
1877 break;
1878 udelay(1);
1879 }
1880}
1881
1882int r600_asic_reset(struct radeon_device *rdev, bool hard)
1883{
1884 u32 reset_mask;
1885
1886 if (hard) {
1887 r600_gpu_pci_config_reset(rdev);
1888 return 0;
1889 }
1890
1891 reset_mask = r600_gpu_check_soft_reset(rdev);
1892
1893 if (reset_mask)
1894 r600_set_bios_scratch_engine_hung(rdev, true);
1895
1896 /* try soft reset */
1897 r600_gpu_soft_reset(rdev, reset_mask);
1898
1899 reset_mask = r600_gpu_check_soft_reset(rdev);
1900
1901 /* try pci config reset */
1902 if (reset_mask && radeon_hard_reset)
1903 r600_gpu_pci_config_reset(rdev);
1904
1905 reset_mask = r600_gpu_check_soft_reset(rdev);
1906
1907 if (!reset_mask)
1908 r600_set_bios_scratch_engine_hung(rdev, false);
1909
1910 return 0;
1911}
1912
1913/**
1914 * r600_gfx_is_lockup - Check if the GFX engine is locked up
1915 *
1916 * @rdev: radeon_device pointer
1917 * @ring: radeon_ring structure holding ring information
1918 *
1919 * Check if the GFX engine is locked up.
1920 * Returns true if the engine appears to be locked up, false if not.
1921 */
1922bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1923{
1924 u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1925
1926 if (!(reset_mask & (RADEON_RESET_GFX |
1927 RADEON_RESET_COMPUTE |
1928 RADEON_RESET_CP))) {
1929 radeon_ring_lockup_update(rdev, ring);
1930 return false;
1931 }
1932 return radeon_ring_test_lockup(rdev, ring);
1933}
1934
1935u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1936 u32 tiling_pipe_num,
1937 u32 max_rb_num,
1938 u32 total_max_rb_num,
1939 u32 disabled_rb_mask)
1940{
1941 u32 rendering_pipe_num, rb_num_width, req_rb_num;
1942 u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1943 u32 data = 0, mask = 1 << (max_rb_num - 1);
1944 unsigned i, j;
1945
1946 /* mask out the RBs that don't exist on that asic */
1947 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1948 /* make sure at least one RB is available */
1949 if ((tmp & 0xff) != 0xff)
1950 disabled_rb_mask = tmp;
1951
1952 rendering_pipe_num = 1 << tiling_pipe_num;
1953 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1954 BUG_ON(rendering_pipe_num < req_rb_num);
1955
1956 pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1957 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1958
1959 if (rdev->family <= CHIP_RV740) {
1960 /* r6xx/r7xx */
1961 rb_num_width = 2;
1962 } else {
1963 /* eg+ */
1964 rb_num_width = 4;
1965 }
1966
1967 for (i = 0; i < max_rb_num; i++) {
1968 if (!(mask & disabled_rb_mask)) {
1969 for (j = 0; j < pipe_rb_ratio; j++) {
1970 data <<= rb_num_width;
1971 data |= max_rb_num - i - 1;
1972 }
1973 if (pipe_rb_remain) {
1974 data <<= rb_num_width;
1975 data |= max_rb_num - i - 1;
1976 pipe_rb_remain--;
1977 }
1978 }
1979 mask >>= 1;
1980 }
1981
1982 return data;
1983}
1984
1985int r600_count_pipe_bits(uint32_t val)
1986{
1987 return hweight32(val);
1988}
1989
1990static void r600_gpu_init(struct radeon_device *rdev)
1991{
1992 u32 tiling_config;
1993 u32 ramcfg;
1994 u32 cc_gc_shader_pipe_config;
1995 u32 tmp;
1996 int i, j;
1997 u32 sq_config;
1998 u32 sq_gpr_resource_mgmt_1 = 0;
1999 u32 sq_gpr_resource_mgmt_2 = 0;
2000 u32 sq_thread_resource_mgmt = 0;
2001 u32 sq_stack_resource_mgmt_1 = 0;
2002 u32 sq_stack_resource_mgmt_2 = 0;
2003 u32 disabled_rb_mask;
2004
2005 rdev->config.r600.tiling_group_size = 256;
2006 switch (rdev->family) {
2007 case CHIP_R600:
2008 rdev->config.r600.max_pipes = 4;
2009 rdev->config.r600.max_tile_pipes = 8;
2010 rdev->config.r600.max_simds = 4;
2011 rdev->config.r600.max_backends = 4;
2012 rdev->config.r600.max_gprs = 256;
2013 rdev->config.r600.max_threads = 192;
2014 rdev->config.r600.max_stack_entries = 256;
2015 rdev->config.r600.max_hw_contexts = 8;
2016 rdev->config.r600.max_gs_threads = 16;
2017 rdev->config.r600.sx_max_export_size = 128;
2018 rdev->config.r600.sx_max_export_pos_size = 16;
2019 rdev->config.r600.sx_max_export_smx_size = 128;
2020 rdev->config.r600.sq_num_cf_insts = 2;
2021 break;
2022 case CHIP_RV630:
2023 case CHIP_RV635:
2024 rdev->config.r600.max_pipes = 2;
2025 rdev->config.r600.max_tile_pipes = 2;
2026 rdev->config.r600.max_simds = 3;
2027 rdev->config.r600.max_backends = 1;
2028 rdev->config.r600.max_gprs = 128;
2029 rdev->config.r600.max_threads = 192;
2030 rdev->config.r600.max_stack_entries = 128;
2031 rdev->config.r600.max_hw_contexts = 8;
2032 rdev->config.r600.max_gs_threads = 4;
2033 rdev->config.r600.sx_max_export_size = 128;
2034 rdev->config.r600.sx_max_export_pos_size = 16;
2035 rdev->config.r600.sx_max_export_smx_size = 128;
2036 rdev->config.r600.sq_num_cf_insts = 2;
2037 break;
2038 case CHIP_RV610:
2039 case CHIP_RV620:
2040 case CHIP_RS780:
2041 case CHIP_RS880:
2042 rdev->config.r600.max_pipes = 1;
2043 rdev->config.r600.max_tile_pipes = 1;
2044 rdev->config.r600.max_simds = 2;
2045 rdev->config.r600.max_backends = 1;
2046 rdev->config.r600.max_gprs = 128;
2047 rdev->config.r600.max_threads = 192;
2048 rdev->config.r600.max_stack_entries = 128;
2049 rdev->config.r600.max_hw_contexts = 4;
2050 rdev->config.r600.max_gs_threads = 4;
2051 rdev->config.r600.sx_max_export_size = 128;
2052 rdev->config.r600.sx_max_export_pos_size = 16;
2053 rdev->config.r600.sx_max_export_smx_size = 128;
2054 rdev->config.r600.sq_num_cf_insts = 1;
2055 break;
2056 case CHIP_RV670:
2057 rdev->config.r600.max_pipes = 4;
2058 rdev->config.r600.max_tile_pipes = 4;
2059 rdev->config.r600.max_simds = 4;
2060 rdev->config.r600.max_backends = 4;
2061 rdev->config.r600.max_gprs = 192;
2062 rdev->config.r600.max_threads = 192;
2063 rdev->config.r600.max_stack_entries = 256;
2064 rdev->config.r600.max_hw_contexts = 8;
2065 rdev->config.r600.max_gs_threads = 16;
2066 rdev->config.r600.sx_max_export_size = 128;
2067 rdev->config.r600.sx_max_export_pos_size = 16;
2068 rdev->config.r600.sx_max_export_smx_size = 128;
2069 rdev->config.r600.sq_num_cf_insts = 2;
2070 break;
2071 default:
2072 break;
2073 }
2074
2075 /* Initialize HDP */
2076 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2077 WREG32((0x2c14 + j), 0x00000000);
2078 WREG32((0x2c18 + j), 0x00000000);
2079 WREG32((0x2c1c + j), 0x00000000);
2080 WREG32((0x2c20 + j), 0x00000000);
2081 WREG32((0x2c24 + j), 0x00000000);
2082 }
2083
2084 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
2085
2086 /* Setup tiling */
2087 tiling_config = 0;
2088 ramcfg = RREG32(RAMCFG);
2089 switch (rdev->config.r600.max_tile_pipes) {
2090 case 1:
2091 tiling_config |= PIPE_TILING(0);
2092 break;
2093 case 2:
2094 tiling_config |= PIPE_TILING(1);
2095 break;
2096 case 4:
2097 tiling_config |= PIPE_TILING(2);
2098 break;
2099 case 8:
2100 tiling_config |= PIPE_TILING(3);
2101 break;
2102 default:
2103 break;
2104 }
2105 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
2106 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2107 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2108 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
2109
2110 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
2111 if (tmp > 3) {
2112 tiling_config |= ROW_TILING(3);
2113 tiling_config |= SAMPLE_SPLIT(3);
2114 } else {
2115 tiling_config |= ROW_TILING(tmp);
2116 tiling_config |= SAMPLE_SPLIT(tmp);
2117 }
2118 tiling_config |= BANK_SWAPS(1);
2119
2120 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
2121 tmp = rdev->config.r600.max_simds -
2122 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
2123 rdev->config.r600.active_simds = tmp;
2124
2125 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
2126 tmp = 0;
2127 for (i = 0; i < rdev->config.r600.max_backends; i++)
2128 tmp |= (1 << i);
2129 /* if all the backends are disabled, fix it up here */
2130 if ((disabled_rb_mask & tmp) == tmp) {
2131 for (i = 0; i < rdev->config.r600.max_backends; i++)
2132 disabled_rb_mask &= ~(1 << i);
2133 }
2134 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
2135 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
2136 R6XX_MAX_BACKENDS, disabled_rb_mask);
2137 tiling_config |= tmp << 16;
2138 rdev->config.r600.backend_map = tmp;
2139
2140 rdev->config.r600.tile_config = tiling_config;
2141 WREG32(GB_TILING_CONFIG, tiling_config);
2142 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
2143 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
2144 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
2145
2146 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
2147 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
2148 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
2149
2150 /* Setup some CP states */
2151 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
2152 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
2153
2154 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
2155 SYNC_WALKER | SYNC_ALIGNER));
2156 /* Setup various GPU states */
2157 if (rdev->family == CHIP_RV670)
2158 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
2159
2160 tmp = RREG32(SX_DEBUG_1);
2161 tmp |= SMX_EVENT_RELEASE;
2162 if ((rdev->family > CHIP_R600))
2163 tmp |= ENABLE_NEW_SMX_ADDRESS;
2164 WREG32(SX_DEBUG_1, tmp);
2165
2166 if (((rdev->family) == CHIP_R600) ||
2167 ((rdev->family) == CHIP_RV630) ||
2168 ((rdev->family) == CHIP_RV610) ||
2169 ((rdev->family) == CHIP_RV620) ||
2170 ((rdev->family) == CHIP_RS780) ||
2171 ((rdev->family) == CHIP_RS880)) {
2172 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
2173 } else {
2174 WREG32(DB_DEBUG, 0);
2175 }
2176 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
2177 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
2178
2179 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2180 WREG32(VGT_NUM_INSTANCES, 0);
2181
2182 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
2183 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
2184
2185 tmp = RREG32(SQ_MS_FIFO_SIZES);
2186 if (((rdev->family) == CHIP_RV610) ||
2187 ((rdev->family) == CHIP_RV620) ||
2188 ((rdev->family) == CHIP_RS780) ||
2189 ((rdev->family) == CHIP_RS880)) {
2190 tmp = (CACHE_FIFO_SIZE(0xa) |
2191 FETCH_FIFO_HIWATER(0xa) |
2192 DONE_FIFO_HIWATER(0xe0) |
2193 ALU_UPDATE_FIFO_HIWATER(0x8));
2194 } else if (((rdev->family) == CHIP_R600) ||
2195 ((rdev->family) == CHIP_RV630)) {
2196 tmp &= ~DONE_FIFO_HIWATER(0xff);
2197 tmp |= DONE_FIFO_HIWATER(0x4);
2198 }
2199 WREG32(SQ_MS_FIFO_SIZES, tmp);
2200
2201 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
2202 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
2203 */
2204 sq_config = RREG32(SQ_CONFIG);
2205 sq_config &= ~(PS_PRIO(3) |
2206 VS_PRIO(3) |
2207 GS_PRIO(3) |
2208 ES_PRIO(3));
2209 sq_config |= (DX9_CONSTS |
2210 VC_ENABLE |
2211 PS_PRIO(0) |
2212 VS_PRIO(1) |
2213 GS_PRIO(2) |
2214 ES_PRIO(3));
2215
2216 if ((rdev->family) == CHIP_R600) {
2217 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
2218 NUM_VS_GPRS(124) |
2219 NUM_CLAUSE_TEMP_GPRS(4));
2220 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
2221 NUM_ES_GPRS(0));
2222 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
2223 NUM_VS_THREADS(48) |
2224 NUM_GS_THREADS(4) |
2225 NUM_ES_THREADS(4));
2226 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
2227 NUM_VS_STACK_ENTRIES(128));
2228 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
2229 NUM_ES_STACK_ENTRIES(0));
2230 } else if (((rdev->family) == CHIP_RV610) ||
2231 ((rdev->family) == CHIP_RV620) ||
2232 ((rdev->family) == CHIP_RS780) ||
2233 ((rdev->family) == CHIP_RS880)) {
2234 /* no vertex cache */
2235 sq_config &= ~VC_ENABLE;
2236
2237 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2238 NUM_VS_GPRS(44) |
2239 NUM_CLAUSE_TEMP_GPRS(2));
2240 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2241 NUM_ES_GPRS(17));
2242 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2243 NUM_VS_THREADS(78) |
2244 NUM_GS_THREADS(4) |
2245 NUM_ES_THREADS(31));
2246 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2247 NUM_VS_STACK_ENTRIES(40));
2248 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2249 NUM_ES_STACK_ENTRIES(16));
2250 } else if (((rdev->family) == CHIP_RV630) ||
2251 ((rdev->family) == CHIP_RV635)) {
2252 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2253 NUM_VS_GPRS(44) |
2254 NUM_CLAUSE_TEMP_GPRS(2));
2255 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
2256 NUM_ES_GPRS(18));
2257 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2258 NUM_VS_THREADS(78) |
2259 NUM_GS_THREADS(4) |
2260 NUM_ES_THREADS(31));
2261 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2262 NUM_VS_STACK_ENTRIES(40));
2263 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2264 NUM_ES_STACK_ENTRIES(16));
2265 } else if ((rdev->family) == CHIP_RV670) {
2266 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2267 NUM_VS_GPRS(44) |
2268 NUM_CLAUSE_TEMP_GPRS(2));
2269 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2270 NUM_ES_GPRS(17));
2271 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2272 NUM_VS_THREADS(78) |
2273 NUM_GS_THREADS(4) |
2274 NUM_ES_THREADS(31));
2275 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
2276 NUM_VS_STACK_ENTRIES(64));
2277 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
2278 NUM_ES_STACK_ENTRIES(64));
2279 }
2280
2281 WREG32(SQ_CONFIG, sq_config);
2282 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2283 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2284 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2285 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2286 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2287
2288 if (((rdev->family) == CHIP_RV610) ||
2289 ((rdev->family) == CHIP_RV620) ||
2290 ((rdev->family) == CHIP_RS780) ||
2291 ((rdev->family) == CHIP_RS880)) {
2292 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2293 } else {
2294 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2295 }
2296
2297 /* More default values. 2D/3D driver should adjust as needed */
2298 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2299 S1_X(0x4) | S1_Y(0xc)));
2300 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2301 S1_X(0x2) | S1_Y(0x2) |
2302 S2_X(0xa) | S2_Y(0x6) |
2303 S3_X(0x6) | S3_Y(0xa)));
2304 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2305 S1_X(0x4) | S1_Y(0xc) |
2306 S2_X(0x1) | S2_Y(0x6) |
2307 S3_X(0xa) | S3_Y(0xe)));
2308 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2309 S5_X(0x0) | S5_Y(0x0) |
2310 S6_X(0xb) | S6_Y(0x4) |
2311 S7_X(0x7) | S7_Y(0x8)));
2312
2313 WREG32(VGT_STRMOUT_EN, 0);
2314 tmp = rdev->config.r600.max_pipes * 16;
2315 switch (rdev->family) {
2316 case CHIP_RV610:
2317 case CHIP_RV620:
2318 case CHIP_RS780:
2319 case CHIP_RS880:
2320 tmp += 32;
2321 break;
2322 case CHIP_RV670:
2323 tmp += 128;
2324 break;
2325 default:
2326 break;
2327 }
2328 if (tmp > 256) {
2329 tmp = 256;
2330 }
2331 WREG32(VGT_ES_PER_GS, 128);
2332 WREG32(VGT_GS_PER_ES, tmp);
2333 WREG32(VGT_GS_PER_VS, 2);
2334 WREG32(VGT_GS_VERTEX_REUSE, 16);
2335
2336 /* more default values. 2D/3D driver should adjust as needed */
2337 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2338 WREG32(VGT_STRMOUT_EN, 0);
2339 WREG32(SX_MISC, 0);
2340 WREG32(PA_SC_MODE_CNTL, 0);
2341 WREG32(PA_SC_AA_CONFIG, 0);
2342 WREG32(PA_SC_LINE_STIPPLE, 0);
2343 WREG32(SPI_INPUT_Z, 0);
2344 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2345 WREG32(CB_COLOR7_FRAG, 0);
2346
2347 /* Clear render buffer base addresses */
2348 WREG32(CB_COLOR0_BASE, 0);
2349 WREG32(CB_COLOR1_BASE, 0);
2350 WREG32(CB_COLOR2_BASE, 0);
2351 WREG32(CB_COLOR3_BASE, 0);
2352 WREG32(CB_COLOR4_BASE, 0);
2353 WREG32(CB_COLOR5_BASE, 0);
2354 WREG32(CB_COLOR6_BASE, 0);
2355 WREG32(CB_COLOR7_BASE, 0);
2356 WREG32(CB_COLOR7_FRAG, 0);
2357
2358 switch (rdev->family) {
2359 case CHIP_RV610:
2360 case CHIP_RV620:
2361 case CHIP_RS780:
2362 case CHIP_RS880:
2363 tmp = TC_L2_SIZE(8);
2364 break;
2365 case CHIP_RV630:
2366 case CHIP_RV635:
2367 tmp = TC_L2_SIZE(4);
2368 break;
2369 case CHIP_R600:
2370 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2371 break;
2372 default:
2373 tmp = TC_L2_SIZE(0);
2374 break;
2375 }
2376 WREG32(TC_CNTL, tmp);
2377
2378 tmp = RREG32(HDP_HOST_PATH_CNTL);
2379 WREG32(HDP_HOST_PATH_CNTL, tmp);
2380
2381 tmp = RREG32(ARB_POP);
2382 tmp |= ENABLE_TC128;
2383 WREG32(ARB_POP, tmp);
2384
2385 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2386 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2387 NUM_CLIP_SEQ(3)));
2388 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2389 WREG32(VC_ENHANCE, 0);
2390}
2391
2392
2393/*
2394 * Indirect registers accessor
2395 */
2396u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2397{
2398 unsigned long flags;
2399 u32 r;
2400
2401 spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2402 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2403 (void)RREG32(PCIE_PORT_INDEX);
2404 r = RREG32(PCIE_PORT_DATA);
2405 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2406 return r;
2407}
2408
2409void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2410{
2411 unsigned long flags;
2412
2413 spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2414 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2415 (void)RREG32(PCIE_PORT_INDEX);
2416 WREG32(PCIE_PORT_DATA, (v));
2417 (void)RREG32(PCIE_PORT_DATA);
2418 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2419}
2420
2421/*
2422 * CP & Ring
2423 */
2424void r600_cp_stop(struct radeon_device *rdev)
2425{
2426 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2427 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2428 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2429 WREG32(SCRATCH_UMSK, 0);
2430 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2431}
2432
2433int r600_init_microcode(struct radeon_device *rdev)
2434{
2435 const char *chip_name;
2436 const char *rlc_chip_name;
2437 const char *smc_chip_name = "RV770";
2438 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
2439 char fw_name[30];
2440 int err;
2441
2442 DRM_DEBUG("\n");
2443
2444 switch (rdev->family) {
2445 case CHIP_R600:
2446 chip_name = "R600";
2447 rlc_chip_name = "R600";
2448 break;
2449 case CHIP_RV610:
2450 chip_name = "RV610";
2451 rlc_chip_name = "R600";
2452 break;
2453 case CHIP_RV630:
2454 chip_name = "RV630";
2455 rlc_chip_name = "R600";
2456 break;
2457 case CHIP_RV620:
2458 chip_name = "RV620";
2459 rlc_chip_name = "R600";
2460 break;
2461 case CHIP_RV635:
2462 chip_name = "RV635";
2463 rlc_chip_name = "R600";
2464 break;
2465 case CHIP_RV670:
2466 chip_name = "RV670";
2467 rlc_chip_name = "R600";
2468 break;
2469 case CHIP_RS780:
2470 case CHIP_RS880:
2471 chip_name = "RS780";
2472 rlc_chip_name = "R600";
2473 break;
2474 case CHIP_RV770:
2475 chip_name = "RV770";
2476 rlc_chip_name = "R700";
2477 smc_chip_name = "RV770";
2478 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
2479 break;
2480 case CHIP_RV730:
2481 chip_name = "RV730";
2482 rlc_chip_name = "R700";
2483 smc_chip_name = "RV730";
2484 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
2485 break;
2486 case CHIP_RV710:
2487 chip_name = "RV710";
2488 rlc_chip_name = "R700";
2489 smc_chip_name = "RV710";
2490 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
2491 break;
2492 case CHIP_RV740:
2493 chip_name = "RV730";
2494 rlc_chip_name = "R700";
2495 smc_chip_name = "RV740";
2496 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
2497 break;
2498 case CHIP_CEDAR:
2499 chip_name = "CEDAR";
2500 rlc_chip_name = "CEDAR";
2501 smc_chip_name = "CEDAR";
2502 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
2503 break;
2504 case CHIP_REDWOOD:
2505 chip_name = "REDWOOD";
2506 rlc_chip_name = "REDWOOD";
2507 smc_chip_name = "REDWOOD";
2508 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
2509 break;
2510 case CHIP_JUNIPER:
2511 chip_name = "JUNIPER";
2512 rlc_chip_name = "JUNIPER";
2513 smc_chip_name = "JUNIPER";
2514 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
2515 break;
2516 case CHIP_CYPRESS:
2517 case CHIP_HEMLOCK:
2518 chip_name = "CYPRESS";
2519 rlc_chip_name = "CYPRESS";
2520 smc_chip_name = "CYPRESS";
2521 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
2522 break;
2523 case CHIP_PALM:
2524 chip_name = "PALM";
2525 rlc_chip_name = "SUMO";
2526 break;
2527 case CHIP_SUMO:
2528 chip_name = "SUMO";
2529 rlc_chip_name = "SUMO";
2530 break;
2531 case CHIP_SUMO2:
2532 chip_name = "SUMO2";
2533 rlc_chip_name = "SUMO";
2534 break;
2535 default: BUG();
2536 }
2537
2538 if (rdev->family >= CHIP_CEDAR) {
2539 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2540 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2541 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2542 } else if (rdev->family >= CHIP_RV770) {
2543 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2544 me_req_size = R700_PM4_UCODE_SIZE * 4;
2545 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2546 } else {
2547 pfp_req_size = R600_PFP_UCODE_SIZE * 4;
2548 me_req_size = R600_PM4_UCODE_SIZE * 12;
2549 rlc_req_size = R600_RLC_UCODE_SIZE * 4;
2550 }
2551
2552 DRM_INFO("Loading %s Microcode\n", chip_name);
2553
2554 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2555 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
2556 if (err)
2557 goto out;
2558 if (rdev->pfp_fw->size != pfp_req_size) {
2559 pr_err("r600_cp: Bogus length %zu in firmware \"%s\"\n",
2560 rdev->pfp_fw->size, fw_name);
2561 err = -EINVAL;
2562 goto out;
2563 }
2564
2565 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2566 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
2567 if (err)
2568 goto out;
2569 if (rdev->me_fw->size != me_req_size) {
2570 pr_err("r600_cp: Bogus length %zu in firmware \"%s\"\n",
2571 rdev->me_fw->size, fw_name);
2572 err = -EINVAL;
2573 }
2574
2575 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2576 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
2577 if (err)
2578 goto out;
2579 if (rdev->rlc_fw->size != rlc_req_size) {
2580 pr_err("r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2581 rdev->rlc_fw->size, fw_name);
2582 err = -EINVAL;
2583 }
2584
2585 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
2586 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
2587 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
2588 if (err) {
2589 pr_err("smc: error loading firmware \"%s\"\n", fw_name);
2590 release_firmware(rdev->smc_fw);
2591 rdev->smc_fw = NULL;
2592 err = 0;
2593 } else if (rdev->smc_fw->size != smc_req_size) {
2594 pr_err("smc: Bogus length %zu in firmware \"%s\"\n",
2595 rdev->smc_fw->size, fw_name);
2596 err = -EINVAL;
2597 }
2598 }
2599
2600out:
2601 if (err) {
2602 if (err != -EINVAL)
2603 pr_err("r600_cp: Failed to load firmware \"%s\"\n",
2604 fw_name);
2605 release_firmware(rdev->pfp_fw);
2606 rdev->pfp_fw = NULL;
2607 release_firmware(rdev->me_fw);
2608 rdev->me_fw = NULL;
2609 release_firmware(rdev->rlc_fw);
2610 rdev->rlc_fw = NULL;
2611 release_firmware(rdev->smc_fw);
2612 rdev->smc_fw = NULL;
2613 }
2614 return err;
2615}
2616
2617u32 r600_gfx_get_rptr(struct radeon_device *rdev,
2618 struct radeon_ring *ring)
2619{
2620 u32 rptr;
2621
2622 if (rdev->wb.enabled)
2623 rptr = rdev->wb.wb[ring->rptr_offs/4];
2624 else
2625 rptr = RREG32(R600_CP_RB_RPTR);
2626
2627 return rptr;
2628}
2629
2630u32 r600_gfx_get_wptr(struct radeon_device *rdev,
2631 struct radeon_ring *ring)
2632{
2633 return RREG32(R600_CP_RB_WPTR);
2634}
2635
2636void r600_gfx_set_wptr(struct radeon_device *rdev,
2637 struct radeon_ring *ring)
2638{
2639 WREG32(R600_CP_RB_WPTR, ring->wptr);
2640 (void)RREG32(R600_CP_RB_WPTR);
2641}
2642
2643static int r600_cp_load_microcode(struct radeon_device *rdev)
2644{
2645 const __be32 *fw_data;
2646 int i;
2647
2648 if (!rdev->me_fw || !rdev->pfp_fw)
2649 return -EINVAL;
2650
2651 r600_cp_stop(rdev);
2652
2653 WREG32(CP_RB_CNTL,
2654#ifdef __BIG_ENDIAN
2655 BUF_SWAP_32BIT |
2656#endif
2657 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2658
2659 /* Reset cp */
2660 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2661 RREG32(GRBM_SOFT_RESET);
2662 mdelay(15);
2663 WREG32(GRBM_SOFT_RESET, 0);
2664
2665 WREG32(CP_ME_RAM_WADDR, 0);
2666
2667 fw_data = (const __be32 *)rdev->me_fw->data;
2668 WREG32(CP_ME_RAM_WADDR, 0);
2669 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
2670 WREG32(CP_ME_RAM_DATA,
2671 be32_to_cpup(fw_data++));
2672
2673 fw_data = (const __be32 *)rdev->pfp_fw->data;
2674 WREG32(CP_PFP_UCODE_ADDR, 0);
2675 for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
2676 WREG32(CP_PFP_UCODE_DATA,
2677 be32_to_cpup(fw_data++));
2678
2679 WREG32(CP_PFP_UCODE_ADDR, 0);
2680 WREG32(CP_ME_RAM_WADDR, 0);
2681 WREG32(CP_ME_RAM_RADDR, 0);
2682 return 0;
2683}
2684
2685int r600_cp_start(struct radeon_device *rdev)
2686{
2687 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2688 int r;
2689 uint32_t cp_me;
2690
2691 r = radeon_ring_lock(rdev, ring, 7);
2692 if (r) {
2693 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2694 return r;
2695 }
2696 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2697 radeon_ring_write(ring, 0x1);
2698 if (rdev->family >= CHIP_RV770) {
2699 radeon_ring_write(ring, 0x0);
2700 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2701 } else {
2702 radeon_ring_write(ring, 0x3);
2703 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2704 }
2705 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2706 radeon_ring_write(ring, 0);
2707 radeon_ring_write(ring, 0);
2708 radeon_ring_unlock_commit(rdev, ring, false);
2709
2710 cp_me = 0xff;
2711 WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2712 return 0;
2713}
2714
2715int r600_cp_resume(struct radeon_device *rdev)
2716{
2717 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2718 u32 tmp;
2719 u32 rb_bufsz;
2720 int r;
2721
2722 /* Reset cp */
2723 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2724 RREG32(GRBM_SOFT_RESET);
2725 mdelay(15);
2726 WREG32(GRBM_SOFT_RESET, 0);
2727
2728 /* Set ring buffer size */
2729 rb_bufsz = order_base_2(ring->ring_size / 8);
2730 tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2731#ifdef __BIG_ENDIAN
2732 tmp |= BUF_SWAP_32BIT;
2733#endif
2734 WREG32(CP_RB_CNTL, tmp);
2735 WREG32(CP_SEM_WAIT_TIMER, 0x0);
2736
2737 /* Set the write pointer delay */
2738 WREG32(CP_RB_WPTR_DELAY, 0);
2739
2740 /* Initialize the ring buffer's read and write pointers */
2741 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2742 WREG32(CP_RB_RPTR_WR, 0);
2743 ring->wptr = 0;
2744 WREG32(CP_RB_WPTR, ring->wptr);
2745
2746 /* set the wb address whether it's enabled or not */
2747 WREG32(CP_RB_RPTR_ADDR,
2748 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2749 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2750 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2751
2752 if (rdev->wb.enabled)
2753 WREG32(SCRATCH_UMSK, 0xff);
2754 else {
2755 tmp |= RB_NO_UPDATE;
2756 WREG32(SCRATCH_UMSK, 0);
2757 }
2758
2759 mdelay(1);
2760 WREG32(CP_RB_CNTL, tmp);
2761
2762 WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2763 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2764
2765 r600_cp_start(rdev);
2766 ring->ready = true;
2767 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2768 if (r) {
2769 ring->ready = false;
2770 return r;
2771 }
2772
2773 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2774 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2775
2776 return 0;
2777}
2778
2779void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2780{
2781 u32 rb_bufsz;
2782 int r;
2783
2784 /* Align ring size */
2785 rb_bufsz = order_base_2(ring_size / 8);
2786 ring_size = (1 << (rb_bufsz + 1)) * 4;
2787 ring->ring_size = ring_size;
2788 ring->align_mask = 16 - 1;
2789
2790 if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2791 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2792 if (r) {
2793 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2794 ring->rptr_save_reg = 0;
2795 }
2796 }
2797}
2798
2799void r600_cp_fini(struct radeon_device *rdev)
2800{
2801 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2802 r600_cp_stop(rdev);
2803 radeon_ring_fini(rdev, ring);
2804 radeon_scratch_free(rdev, ring->rptr_save_reg);
2805}
2806
2807/*
2808 * GPU scratch registers helpers function.
2809 */
2810void r600_scratch_init(struct radeon_device *rdev)
2811{
2812 int i;
2813
2814 rdev->scratch.num_reg = 7;
2815 rdev->scratch.reg_base = SCRATCH_REG0;
2816 for (i = 0; i < rdev->scratch.num_reg; i++) {
2817 rdev->scratch.free[i] = true;
2818 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2819 }
2820}
2821
2822int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2823{
2824 uint32_t scratch;
2825 uint32_t tmp = 0;
2826 unsigned i;
2827 int r;
2828
2829 r = radeon_scratch_get(rdev, &scratch);
2830 if (r) {
2831 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2832 return r;
2833 }
2834 WREG32(scratch, 0xCAFEDEAD);
2835 r = radeon_ring_lock(rdev, ring, 3);
2836 if (r) {
2837 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2838 radeon_scratch_free(rdev, scratch);
2839 return r;
2840 }
2841 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2842 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2843 radeon_ring_write(ring, 0xDEADBEEF);
2844 radeon_ring_unlock_commit(rdev, ring, false);
2845 for (i = 0; i < rdev->usec_timeout; i++) {
2846 tmp = RREG32(scratch);
2847 if (tmp == 0xDEADBEEF)
2848 break;
2849 udelay(1);
2850 }
2851 if (i < rdev->usec_timeout) {
2852 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2853 } else {
2854 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2855 ring->idx, scratch, tmp);
2856 r = -EINVAL;
2857 }
2858 radeon_scratch_free(rdev, scratch);
2859 return r;
2860}
2861
2862/*
2863 * CP fences/semaphores
2864 */
2865
2866void r600_fence_ring_emit(struct radeon_device *rdev,
2867 struct radeon_fence *fence)
2868{
2869 struct radeon_ring *ring = &rdev->ring[fence->ring];
2870 u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA |
2871 PACKET3_SH_ACTION_ENA;
2872
2873 if (rdev->family >= CHIP_RV770)
2874 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA;
2875
2876 if (rdev->wb.use_event) {
2877 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2878 /* flush read cache over gart */
2879 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2880 radeon_ring_write(ring, cp_coher_cntl);
2881 radeon_ring_write(ring, 0xFFFFFFFF);
2882 radeon_ring_write(ring, 0);
2883 radeon_ring_write(ring, 10); /* poll interval */
2884 /* EVENT_WRITE_EOP - flush caches, send int */
2885 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2886 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2887 radeon_ring_write(ring, lower_32_bits(addr));
2888 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2889 radeon_ring_write(ring, fence->seq);
2890 radeon_ring_write(ring, 0);
2891 } else {
2892 /* flush read cache over gart */
2893 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2894 radeon_ring_write(ring, cp_coher_cntl);
2895 radeon_ring_write(ring, 0xFFFFFFFF);
2896 radeon_ring_write(ring, 0);
2897 radeon_ring_write(ring, 10); /* poll interval */
2898 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2899 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2900 /* wait for 3D idle clean */
2901 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2902 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2903 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2904 /* Emit fence sequence & fire IRQ */
2905 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2906 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2907 radeon_ring_write(ring, fence->seq);
2908 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2909 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2910 radeon_ring_write(ring, RB_INT_STAT);
2911 }
2912}
2913
2914/**
2915 * r600_semaphore_ring_emit - emit a semaphore on the CP ring
2916 *
2917 * @rdev: radeon_device pointer
2918 * @ring: radeon ring buffer object
2919 * @semaphore: radeon semaphore object
2920 * @emit_wait: Is this a sempahore wait?
2921 *
2922 * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
2923 * from running ahead of semaphore waits.
2924 */
2925bool r600_semaphore_ring_emit(struct radeon_device *rdev,
2926 struct radeon_ring *ring,
2927 struct radeon_semaphore *semaphore,
2928 bool emit_wait)
2929{
2930 uint64_t addr = semaphore->gpu_addr;
2931 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
2932
2933 if (rdev->family < CHIP_CAYMAN)
2934 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
2935
2936 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
2937 radeon_ring_write(ring, lower_32_bits(addr));
2938 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
2939
2940 /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */
2941 if (emit_wait && (rdev->family >= CHIP_CEDAR)) {
2942 /* Prevent the PFP from running ahead of the semaphore wait */
2943 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2944 radeon_ring_write(ring, 0x0);
2945 }
2946
2947 return true;
2948}
2949
2950/**
2951 * r600_copy_cpdma - copy pages using the CP DMA engine
2952 *
2953 * @rdev: radeon_device pointer
2954 * @src_offset: src GPU address
2955 * @dst_offset: dst GPU address
2956 * @num_gpu_pages: number of GPU pages to xfer
2957 * @fence: radeon fence object
2958 *
2959 * Copy GPU paging using the CP DMA engine (r6xx+).
2960 * Used by the radeon ttm implementation to move pages if
2961 * registered as the asic copy callback.
2962 */
2963struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
2964 uint64_t src_offset, uint64_t dst_offset,
2965 unsigned num_gpu_pages,
2966 struct dma_resv *resv)
2967{
2968 struct radeon_fence *fence;
2969 struct radeon_sync sync;
2970 int ring_index = rdev->asic->copy.blit_ring_index;
2971 struct radeon_ring *ring = &rdev->ring[ring_index];
2972 u32 size_in_bytes, cur_size_in_bytes, tmp;
2973 int i, num_loops;
2974 int r = 0;
2975
2976 radeon_sync_create(&sync);
2977
2978 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
2979 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
2980 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
2981 if (r) {
2982 DRM_ERROR("radeon: moving bo (%d).\n", r);
2983 radeon_sync_free(rdev, &sync, NULL);
2984 return ERR_PTR(r);
2985 }
2986
2987 radeon_sync_resv(rdev, &sync, resv, false);
2988 radeon_sync_rings(rdev, &sync, ring->idx);
2989
2990 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2991 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2992 radeon_ring_write(ring, WAIT_3D_IDLE_bit);
2993 for (i = 0; i < num_loops; i++) {
2994 cur_size_in_bytes = size_in_bytes;
2995 if (cur_size_in_bytes > 0x1fffff)
2996 cur_size_in_bytes = 0x1fffff;
2997 size_in_bytes -= cur_size_in_bytes;
2998 tmp = upper_32_bits(src_offset) & 0xff;
2999 if (size_in_bytes == 0)
3000 tmp |= PACKET3_CP_DMA_CP_SYNC;
3001 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
3002 radeon_ring_write(ring, lower_32_bits(src_offset));
3003 radeon_ring_write(ring, tmp);
3004 radeon_ring_write(ring, lower_32_bits(dst_offset));
3005 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
3006 radeon_ring_write(ring, cur_size_in_bytes);
3007 src_offset += cur_size_in_bytes;
3008 dst_offset += cur_size_in_bytes;
3009 }
3010 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3011 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3012 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
3013
3014 r = radeon_fence_emit(rdev, &fence, ring->idx);
3015 if (r) {
3016 radeon_ring_unlock_undo(rdev, ring);
3017 radeon_sync_free(rdev, &sync, NULL);
3018 return ERR_PTR(r);
3019 }
3020
3021 radeon_ring_unlock_commit(rdev, ring, false);
3022 radeon_sync_free(rdev, &sync, fence);
3023
3024 return fence;
3025}
3026
3027int r600_set_surface_reg(struct radeon_device *rdev, int reg,
3028 uint32_t tiling_flags, uint32_t pitch,
3029 uint32_t offset, uint32_t obj_size)
3030{
3031 /* FIXME: implement */
3032 return 0;
3033}
3034
3035void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
3036{
3037 /* FIXME: implement */
3038}
3039
3040static void r600_uvd_init(struct radeon_device *rdev)
3041{
3042 int r;
3043
3044 if (!rdev->has_uvd)
3045 return;
3046
3047 r = radeon_uvd_init(rdev);
3048 if (r) {
3049 dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
3050 /*
3051 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
3052 * to early fails uvd_v1_0_resume() and thus nothing happens
3053 * there. So it is pointless to try to go through that code
3054 * hence why we disable uvd here.
3055 */
3056 rdev->has_uvd = 0;
3057 return;
3058 }
3059 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
3060 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
3061}
3062
3063static void r600_uvd_start(struct radeon_device *rdev)
3064{
3065 int r;
3066
3067 if (!rdev->has_uvd)
3068 return;
3069
3070 r = uvd_v1_0_resume(rdev);
3071 if (r) {
3072 dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
3073 goto error;
3074 }
3075 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
3076 if (r) {
3077 dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
3078 goto error;
3079 }
3080 return;
3081
3082error:
3083 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
3084}
3085
3086static void r600_uvd_resume(struct radeon_device *rdev)
3087{
3088 struct radeon_ring *ring;
3089 int r;
3090
3091 if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
3092 return;
3093
3094 ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
3095 r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
3096 if (r) {
3097 dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
3098 return;
3099 }
3100 r = uvd_v1_0_init(rdev);
3101 if (r) {
3102 dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
3103 return;
3104 }
3105}
3106
3107static int r600_startup(struct radeon_device *rdev)
3108{
3109 struct radeon_ring *ring;
3110 int r;
3111
3112 /* enable pcie gen2 link */
3113 r600_pcie_gen2_enable(rdev);
3114
3115 /* scratch needs to be initialized before MC */
3116 r = r600_vram_scratch_init(rdev);
3117 if (r)
3118 return r;
3119
3120 r600_mc_program(rdev);
3121
3122 if (rdev->flags & RADEON_IS_AGP) {
3123 r600_agp_enable(rdev);
3124 } else {
3125 r = r600_pcie_gart_enable(rdev);
3126 if (r)
3127 return r;
3128 }
3129 r600_gpu_init(rdev);
3130
3131 /* allocate wb buffer */
3132 r = radeon_wb_init(rdev);
3133 if (r)
3134 return r;
3135
3136 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3137 if (r) {
3138 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3139 return r;
3140 }
3141
3142 r600_uvd_start(rdev);
3143
3144 /* Enable IRQ */
3145 if (!rdev->irq.installed) {
3146 r = radeon_irq_kms_init(rdev);
3147 if (r)
3148 return r;
3149 }
3150
3151 r = r600_irq_init(rdev);
3152 if (r) {
3153 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3154 radeon_irq_kms_fini(rdev);
3155 return r;
3156 }
3157 r600_irq_set(rdev);
3158
3159 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3160 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3161 RADEON_CP_PACKET2);
3162 if (r)
3163 return r;
3164
3165 r = r600_cp_load_microcode(rdev);
3166 if (r)
3167 return r;
3168 r = r600_cp_resume(rdev);
3169 if (r)
3170 return r;
3171
3172 r600_uvd_resume(rdev);
3173
3174 r = radeon_ib_pool_init(rdev);
3175 if (r) {
3176 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3177 return r;
3178 }
3179
3180 r = radeon_audio_init(rdev);
3181 if (r) {
3182 DRM_ERROR("radeon: audio init failed\n");
3183 return r;
3184 }
3185
3186 return 0;
3187}
3188
3189void r600_vga_set_state(struct radeon_device *rdev, bool state)
3190{
3191 uint32_t temp;
3192
3193 temp = RREG32(CONFIG_CNTL);
3194 if (state == false) {
3195 temp &= ~(1<<0);
3196 temp |= (1<<1);
3197 } else {
3198 temp &= ~(1<<1);
3199 }
3200 WREG32(CONFIG_CNTL, temp);
3201}
3202
3203int r600_resume(struct radeon_device *rdev)
3204{
3205 int r;
3206
3207 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
3208 * posting will perform necessary task to bring back GPU into good
3209 * shape.
3210 */
3211 /* post card */
3212 atom_asic_init(rdev->mode_info.atom_context);
3213
3214 if (rdev->pm.pm_method == PM_METHOD_DPM)
3215 radeon_pm_resume(rdev);
3216
3217 rdev->accel_working = true;
3218 r = r600_startup(rdev);
3219 if (r) {
3220 DRM_ERROR("r600 startup failed on resume\n");
3221 rdev->accel_working = false;
3222 return r;
3223 }
3224
3225 return r;
3226}
3227
3228int r600_suspend(struct radeon_device *rdev)
3229{
3230 radeon_pm_suspend(rdev);
3231 radeon_audio_fini(rdev);
3232 r600_cp_stop(rdev);
3233 if (rdev->has_uvd) {
3234 uvd_v1_0_fini(rdev);
3235 radeon_uvd_suspend(rdev);
3236 }
3237 r600_irq_suspend(rdev);
3238 radeon_wb_disable(rdev);
3239 r600_pcie_gart_disable(rdev);
3240
3241 return 0;
3242}
3243
3244/* Plan is to move initialization in that function and use
3245 * helper function so that radeon_device_init pretty much
3246 * do nothing more than calling asic specific function. This
3247 * should also allow to remove a bunch of callback function
3248 * like vram_info.
3249 */
3250int r600_init(struct radeon_device *rdev)
3251{
3252 int r;
3253
3254 if (r600_debugfs_mc_info_init(rdev)) {
3255 DRM_ERROR("Failed to register debugfs file for mc !\n");
3256 }
3257 /* Read BIOS */
3258 if (!radeon_get_bios(rdev)) {
3259 if (ASIC_IS_AVIVO(rdev))
3260 return -EINVAL;
3261 }
3262 /* Must be an ATOMBIOS */
3263 if (!rdev->is_atom_bios) {
3264 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3265 return -EINVAL;
3266 }
3267 r = radeon_atombios_init(rdev);
3268 if (r)
3269 return r;
3270 /* Post card if necessary */
3271 if (!radeon_card_posted(rdev)) {
3272 if (!rdev->bios) {
3273 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3274 return -EINVAL;
3275 }
3276 DRM_INFO("GPU not posted. posting now...\n");
3277 atom_asic_init(rdev->mode_info.atom_context);
3278 }
3279 /* Initialize scratch registers */
3280 r600_scratch_init(rdev);
3281 /* Initialize surface registers */
3282 radeon_surface_init(rdev);
3283 /* Initialize clocks */
3284 radeon_get_clock_info(rdev->ddev);
3285 /* Fence driver */
3286 r = radeon_fence_driver_init(rdev);
3287 if (r)
3288 return r;
3289 if (rdev->flags & RADEON_IS_AGP) {
3290 r = radeon_agp_init(rdev);
3291 if (r)
3292 radeon_agp_disable(rdev);
3293 }
3294 r = r600_mc_init(rdev);
3295 if (r)
3296 return r;
3297 /* Memory manager */
3298 r = radeon_bo_init(rdev);
3299 if (r)
3300 return r;
3301
3302 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3303 r = r600_init_microcode(rdev);
3304 if (r) {
3305 DRM_ERROR("Failed to load firmware!\n");
3306 return r;
3307 }
3308 }
3309
3310 /* Initialize power management */
3311 radeon_pm_init(rdev);
3312
3313 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3314 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3315
3316 r600_uvd_init(rdev);
3317
3318 rdev->ih.ring_obj = NULL;
3319 r600_ih_ring_init(rdev, 64 * 1024);
3320
3321 r = r600_pcie_gart_init(rdev);
3322 if (r)
3323 return r;
3324
3325 rdev->accel_working = true;
3326 r = r600_startup(rdev);
3327 if (r) {
3328 dev_err(rdev->dev, "disabling GPU acceleration\n");
3329 r600_cp_fini(rdev);
3330 r600_irq_fini(rdev);
3331 radeon_wb_fini(rdev);
3332 radeon_ib_pool_fini(rdev);
3333 radeon_irq_kms_fini(rdev);
3334 r600_pcie_gart_fini(rdev);
3335 rdev->accel_working = false;
3336 }
3337
3338 return 0;
3339}
3340
3341void r600_fini(struct radeon_device *rdev)
3342{
3343 radeon_pm_fini(rdev);
3344 radeon_audio_fini(rdev);
3345 r600_cp_fini(rdev);
3346 r600_irq_fini(rdev);
3347 if (rdev->has_uvd) {
3348 uvd_v1_0_fini(rdev);
3349 radeon_uvd_fini(rdev);
3350 }
3351 radeon_wb_fini(rdev);
3352 radeon_ib_pool_fini(rdev);
3353 radeon_irq_kms_fini(rdev);
3354 r600_pcie_gart_fini(rdev);
3355 r600_vram_scratch_fini(rdev);
3356 radeon_agp_fini(rdev);
3357 radeon_gem_fini(rdev);
3358 radeon_fence_driver_fini(rdev);
3359 radeon_bo_fini(rdev);
3360 radeon_atombios_fini(rdev);
3361 kfree(rdev->bios);
3362 rdev->bios = NULL;
3363}
3364
3365
3366/*
3367 * CS stuff
3368 */
3369void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3370{
3371 struct radeon_ring *ring = &rdev->ring[ib->ring];
3372 u32 next_rptr;
3373
3374 if (ring->rptr_save_reg) {
3375 next_rptr = ring->wptr + 3 + 4;
3376 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3377 radeon_ring_write(ring, ((ring->rptr_save_reg -
3378 PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3379 radeon_ring_write(ring, next_rptr);
3380 } else if (rdev->wb.enabled) {
3381 next_rptr = ring->wptr + 5 + 4;
3382 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3383 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3384 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3385 radeon_ring_write(ring, next_rptr);
3386 radeon_ring_write(ring, 0);
3387 }
3388
3389 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3390 radeon_ring_write(ring,
3391#ifdef __BIG_ENDIAN
3392 (2 << 0) |
3393#endif
3394 (ib->gpu_addr & 0xFFFFFFFC));
3395 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3396 radeon_ring_write(ring, ib->length_dw);
3397}
3398
3399int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3400{
3401 struct radeon_ib ib;
3402 uint32_t scratch;
3403 uint32_t tmp = 0;
3404 unsigned i;
3405 int r;
3406
3407 r = radeon_scratch_get(rdev, &scratch);
3408 if (r) {
3409 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3410 return r;
3411 }
3412 WREG32(scratch, 0xCAFEDEAD);
3413 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3414 if (r) {
3415 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3416 goto free_scratch;
3417 }
3418 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3419 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3420 ib.ptr[2] = 0xDEADBEEF;
3421 ib.length_dw = 3;
3422 r = radeon_ib_schedule(rdev, &ib, NULL, false);
3423 if (r) {
3424 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3425 goto free_ib;
3426 }
3427 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3428 RADEON_USEC_IB_TEST_TIMEOUT));
3429 if (r < 0) {
3430 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3431 goto free_ib;
3432 } else if (r == 0) {
3433 DRM_ERROR("radeon: fence wait timed out.\n");
3434 r = -ETIMEDOUT;
3435 goto free_ib;
3436 }
3437 r = 0;
3438 for (i = 0; i < rdev->usec_timeout; i++) {
3439 tmp = RREG32(scratch);
3440 if (tmp == 0xDEADBEEF)
3441 break;
3442 udelay(1);
3443 }
3444 if (i < rdev->usec_timeout) {
3445 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3446 } else {
3447 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3448 scratch, tmp);
3449 r = -EINVAL;
3450 }
3451free_ib:
3452 radeon_ib_free(rdev, &ib);
3453free_scratch:
3454 radeon_scratch_free(rdev, scratch);
3455 return r;
3456}
3457
3458/*
3459 * Interrupts
3460 *
3461 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
3462 * the same as the CP ring buffer, but in reverse. Rather than the CPU
3463 * writing to the ring and the GPU consuming, the GPU writes to the ring
3464 * and host consumes. As the host irq handler processes interrupts, it
3465 * increments the rptr. When the rptr catches up with the wptr, all the
3466 * current interrupts have been processed.
3467 */
3468
3469void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3470{
3471 u32 rb_bufsz;
3472
3473 /* Align ring size */
3474 rb_bufsz = order_base_2(ring_size / 4);
3475 ring_size = (1 << rb_bufsz) * 4;
3476 rdev->ih.ring_size = ring_size;
3477 rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3478 rdev->ih.rptr = 0;
3479}
3480
3481int r600_ih_ring_alloc(struct radeon_device *rdev)
3482{
3483 int r;
3484
3485 /* Allocate ring buffer */
3486 if (rdev->ih.ring_obj == NULL) {
3487 r = radeon_bo_create(rdev, rdev->ih.ring_size,
3488 PAGE_SIZE, true,
3489 RADEON_GEM_DOMAIN_GTT, 0,
3490 NULL, NULL, &rdev->ih.ring_obj);
3491 if (r) {
3492 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3493 return r;
3494 }
3495 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3496 if (unlikely(r != 0))
3497 return r;
3498 r = radeon_bo_pin(rdev->ih.ring_obj,
3499 RADEON_GEM_DOMAIN_GTT,
3500 &rdev->ih.gpu_addr);
3501 if (r) {
3502 radeon_bo_unreserve(rdev->ih.ring_obj);
3503 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3504 return r;
3505 }
3506 r = radeon_bo_kmap(rdev->ih.ring_obj,
3507 (void **)&rdev->ih.ring);
3508 radeon_bo_unreserve(rdev->ih.ring_obj);
3509 if (r) {
3510 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3511 return r;
3512 }
3513 }
3514 return 0;
3515}
3516
3517void r600_ih_ring_fini(struct radeon_device *rdev)
3518{
3519 int r;
3520 if (rdev->ih.ring_obj) {
3521 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3522 if (likely(r == 0)) {
3523 radeon_bo_kunmap(rdev->ih.ring_obj);
3524 radeon_bo_unpin(rdev->ih.ring_obj);
3525 radeon_bo_unreserve(rdev->ih.ring_obj);
3526 }
3527 radeon_bo_unref(&rdev->ih.ring_obj);
3528 rdev->ih.ring = NULL;
3529 rdev->ih.ring_obj = NULL;
3530 }
3531}
3532
3533void r600_rlc_stop(struct radeon_device *rdev)
3534{
3535
3536 if ((rdev->family >= CHIP_RV770) &&
3537 (rdev->family <= CHIP_RV740)) {
3538 /* r7xx asics need to soft reset RLC before halting */
3539 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3540 RREG32(SRBM_SOFT_RESET);
3541 mdelay(15);
3542 WREG32(SRBM_SOFT_RESET, 0);
3543 RREG32(SRBM_SOFT_RESET);
3544 }
3545
3546 WREG32(RLC_CNTL, 0);
3547}
3548
3549static void r600_rlc_start(struct radeon_device *rdev)
3550{
3551 WREG32(RLC_CNTL, RLC_ENABLE);
3552}
3553
3554static int r600_rlc_resume(struct radeon_device *rdev)
3555{
3556 u32 i;
3557 const __be32 *fw_data;
3558
3559 if (!rdev->rlc_fw)
3560 return -EINVAL;
3561
3562 r600_rlc_stop(rdev);
3563
3564 WREG32(RLC_HB_CNTL, 0);
3565
3566 WREG32(RLC_HB_BASE, 0);
3567 WREG32(RLC_HB_RPTR, 0);
3568 WREG32(RLC_HB_WPTR, 0);
3569 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3570 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
3571 WREG32(RLC_MC_CNTL, 0);
3572 WREG32(RLC_UCODE_CNTL, 0);
3573
3574 fw_data = (const __be32 *)rdev->rlc_fw->data;
3575 if (rdev->family >= CHIP_RV770) {
3576 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3577 WREG32(RLC_UCODE_ADDR, i);
3578 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3579 }
3580 } else {
3581 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
3582 WREG32(RLC_UCODE_ADDR, i);
3583 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3584 }
3585 }
3586 WREG32(RLC_UCODE_ADDR, 0);
3587
3588 r600_rlc_start(rdev);
3589
3590 return 0;
3591}
3592
3593static void r600_enable_interrupts(struct radeon_device *rdev)
3594{
3595 u32 ih_cntl = RREG32(IH_CNTL);
3596 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3597
3598 ih_cntl |= ENABLE_INTR;
3599 ih_rb_cntl |= IH_RB_ENABLE;
3600 WREG32(IH_CNTL, ih_cntl);
3601 WREG32(IH_RB_CNTL, ih_rb_cntl);
3602 rdev->ih.enabled = true;
3603}
3604
3605void r600_disable_interrupts(struct radeon_device *rdev)
3606{
3607 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3608 u32 ih_cntl = RREG32(IH_CNTL);
3609
3610 ih_rb_cntl &= ~IH_RB_ENABLE;
3611 ih_cntl &= ~ENABLE_INTR;
3612 WREG32(IH_RB_CNTL, ih_rb_cntl);
3613 WREG32(IH_CNTL, ih_cntl);
3614 /* set rptr, wptr to 0 */
3615 WREG32(IH_RB_RPTR, 0);
3616 WREG32(IH_RB_WPTR, 0);
3617 rdev->ih.enabled = false;
3618 rdev->ih.rptr = 0;
3619}
3620
3621static void r600_disable_interrupt_state(struct radeon_device *rdev)
3622{
3623 u32 tmp;
3624
3625 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3626 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3627 WREG32(DMA_CNTL, tmp);
3628 WREG32(GRBM_INT_CNTL, 0);
3629 WREG32(DxMODE_INT_MASK, 0);
3630 WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3631 WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3632 if (ASIC_IS_DCE3(rdev)) {
3633 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3634 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3635 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3636 WREG32(DC_HPD1_INT_CONTROL, tmp);
3637 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3638 WREG32(DC_HPD2_INT_CONTROL, tmp);
3639 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3640 WREG32(DC_HPD3_INT_CONTROL, tmp);
3641 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3642 WREG32(DC_HPD4_INT_CONTROL, tmp);
3643 if (ASIC_IS_DCE32(rdev)) {
3644 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3645 WREG32(DC_HPD5_INT_CONTROL, tmp);
3646 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3647 WREG32(DC_HPD6_INT_CONTROL, tmp);
3648 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3649 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3650 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3651 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3652 } else {
3653 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3654 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3655 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3656 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3657 }
3658 } else {
3659 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
3660 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
3661 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3662 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3663 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3664 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3665 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3666 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3667 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3668 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3669 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3670 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3671 }
3672}
3673
3674int r600_irq_init(struct radeon_device *rdev)
3675{
3676 int ret = 0;
3677 int rb_bufsz;
3678 u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
3679
3680 /* allocate ring */
3681 ret = r600_ih_ring_alloc(rdev);
3682 if (ret)
3683 return ret;
3684
3685 /* disable irqs */
3686 r600_disable_interrupts(rdev);
3687
3688 /* init rlc */
3689 if (rdev->family >= CHIP_CEDAR)
3690 ret = evergreen_rlc_resume(rdev);
3691 else
3692 ret = r600_rlc_resume(rdev);
3693 if (ret) {
3694 r600_ih_ring_fini(rdev);
3695 return ret;
3696 }
3697
3698 /* setup interrupt control */
3699 /* set dummy read address to ring address */
3700 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
3701 interrupt_cntl = RREG32(INTERRUPT_CNTL);
3702 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
3703 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
3704 */
3705 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
3706 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
3707 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
3708 WREG32(INTERRUPT_CNTL, interrupt_cntl);
3709
3710 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
3711 rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
3712
3713 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
3714 IH_WPTR_OVERFLOW_CLEAR |
3715 (rb_bufsz << 1));
3716
3717 if (rdev->wb.enabled)
3718 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
3719
3720 /* set the writeback address whether it's enabled or not */
3721 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3722 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3723
3724 WREG32(IH_RB_CNTL, ih_rb_cntl);
3725
3726 /* set rptr, wptr to 0 */
3727 WREG32(IH_RB_RPTR, 0);
3728 WREG32(IH_RB_WPTR, 0);
3729
3730 /* Default settings for IH_CNTL (disabled at first) */
3731 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3732 /* RPTR_REARM only works if msi's are enabled */
3733 if (rdev->msi_enabled)
3734 ih_cntl |= RPTR_REARM;
3735 WREG32(IH_CNTL, ih_cntl);
3736
3737 /* force the active interrupt state to all disabled */
3738 if (rdev->family >= CHIP_CEDAR)
3739 evergreen_disable_interrupt_state(rdev);
3740 else
3741 r600_disable_interrupt_state(rdev);
3742
3743 /* at this point everything should be setup correctly to enable master */
3744 pci_set_master(rdev->pdev);
3745
3746 /* enable irqs */
3747 r600_enable_interrupts(rdev);
3748
3749 return ret;
3750}
3751
3752void r600_irq_suspend(struct radeon_device *rdev)
3753{
3754 r600_irq_disable(rdev);
3755 r600_rlc_stop(rdev);
3756}
3757
3758void r600_irq_fini(struct radeon_device *rdev)
3759{
3760 r600_irq_suspend(rdev);
3761 r600_ih_ring_fini(rdev);
3762}
3763
3764int r600_irq_set(struct radeon_device *rdev)
3765{
3766 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3767 u32 mode_int = 0;
3768 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3769 u32 grbm_int_cntl = 0;
3770 u32 hdmi0, hdmi1;
3771 u32 dma_cntl;
3772 u32 thermal_int = 0;
3773
3774 if (!rdev->irq.installed) {
3775 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3776 return -EINVAL;
3777 }
3778 /* don't enable anything if the ih is disabled */
3779 if (!rdev->ih.enabled) {
3780 r600_disable_interrupts(rdev);
3781 /* force the active interrupt state to all disabled */
3782 r600_disable_interrupt_state(rdev);
3783 return 0;
3784 }
3785
3786 if (ASIC_IS_DCE3(rdev)) {
3787 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3788 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3789 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3790 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3791 if (ASIC_IS_DCE32(rdev)) {
3792 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3793 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3794 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3795 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3796 } else {
3797 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3798 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3799 }
3800 } else {
3801 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3802 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3803 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3804 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3805 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3806 }
3807
3808 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3809
3810 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3811 thermal_int = RREG32(CG_THERMAL_INT) &
3812 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3813 } else if (rdev->family >= CHIP_RV770) {
3814 thermal_int = RREG32(RV770_CG_THERMAL_INT) &
3815 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3816 }
3817 if (rdev->irq.dpm_thermal) {
3818 DRM_DEBUG("dpm thermal\n");
3819 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
3820 }
3821
3822 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
3823 DRM_DEBUG("r600_irq_set: sw int\n");
3824 cp_int_cntl |= RB_INT_ENABLE;
3825 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3826 }
3827
3828 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
3829 DRM_DEBUG("r600_irq_set: sw int dma\n");
3830 dma_cntl |= TRAP_ENABLE;
3831 }
3832
3833 if (rdev->irq.crtc_vblank_int[0] ||
3834 atomic_read(&rdev->irq.pflip[0])) {
3835 DRM_DEBUG("r600_irq_set: vblank 0\n");
3836 mode_int |= D1MODE_VBLANK_INT_MASK;
3837 }
3838 if (rdev->irq.crtc_vblank_int[1] ||
3839 atomic_read(&rdev->irq.pflip[1])) {
3840 DRM_DEBUG("r600_irq_set: vblank 1\n");
3841 mode_int |= D2MODE_VBLANK_INT_MASK;
3842 }
3843 if (rdev->irq.hpd[0]) {
3844 DRM_DEBUG("r600_irq_set: hpd 1\n");
3845 hpd1 |= DC_HPDx_INT_EN;
3846 }
3847 if (rdev->irq.hpd[1]) {
3848 DRM_DEBUG("r600_irq_set: hpd 2\n");
3849 hpd2 |= DC_HPDx_INT_EN;
3850 }
3851 if (rdev->irq.hpd[2]) {
3852 DRM_DEBUG("r600_irq_set: hpd 3\n");
3853 hpd3 |= DC_HPDx_INT_EN;
3854 }
3855 if (rdev->irq.hpd[3]) {
3856 DRM_DEBUG("r600_irq_set: hpd 4\n");
3857 hpd4 |= DC_HPDx_INT_EN;
3858 }
3859 if (rdev->irq.hpd[4]) {
3860 DRM_DEBUG("r600_irq_set: hpd 5\n");
3861 hpd5 |= DC_HPDx_INT_EN;
3862 }
3863 if (rdev->irq.hpd[5]) {
3864 DRM_DEBUG("r600_irq_set: hpd 6\n");
3865 hpd6 |= DC_HPDx_INT_EN;
3866 }
3867 if (rdev->irq.afmt[0]) {
3868 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3869 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3870 }
3871 if (rdev->irq.afmt[1]) {
3872 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3873 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3874 }
3875
3876 WREG32(CP_INT_CNTL, cp_int_cntl);
3877 WREG32(DMA_CNTL, dma_cntl);
3878 WREG32(DxMODE_INT_MASK, mode_int);
3879 WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3880 WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3881 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3882 if (ASIC_IS_DCE3(rdev)) {
3883 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3884 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3885 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3886 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3887 if (ASIC_IS_DCE32(rdev)) {
3888 WREG32(DC_HPD5_INT_CONTROL, hpd5);
3889 WREG32(DC_HPD6_INT_CONTROL, hpd6);
3890 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
3891 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
3892 } else {
3893 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3894 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3895 }
3896 } else {
3897 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3898 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3899 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3900 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3901 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3902 }
3903 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3904 WREG32(CG_THERMAL_INT, thermal_int);
3905 } else if (rdev->family >= CHIP_RV770) {
3906 WREG32(RV770_CG_THERMAL_INT, thermal_int);
3907 }
3908
3909 /* posting read */
3910 RREG32(R_000E50_SRBM_STATUS);
3911
3912 return 0;
3913}
3914
3915static void r600_irq_ack(struct radeon_device *rdev)
3916{
3917 u32 tmp;
3918
3919 if (ASIC_IS_DCE3(rdev)) {
3920 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3921 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3922 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3923 if (ASIC_IS_DCE32(rdev)) {
3924 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
3925 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
3926 } else {
3927 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3928 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
3929 }
3930 } else {
3931 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3932 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3933 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3934 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3935 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
3936 }
3937 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3938 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3939
3940 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3941 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3942 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3943 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3944 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3945 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3946 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3947 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3948 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3949 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3950 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3951 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3952 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3953 if (ASIC_IS_DCE3(rdev)) {
3954 tmp = RREG32(DC_HPD1_INT_CONTROL);
3955 tmp |= DC_HPDx_INT_ACK;
3956 WREG32(DC_HPD1_INT_CONTROL, tmp);
3957 } else {
3958 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3959 tmp |= DC_HPDx_INT_ACK;
3960 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3961 }
3962 }
3963 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3964 if (ASIC_IS_DCE3(rdev)) {
3965 tmp = RREG32(DC_HPD2_INT_CONTROL);
3966 tmp |= DC_HPDx_INT_ACK;
3967 WREG32(DC_HPD2_INT_CONTROL, tmp);
3968 } else {
3969 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3970 tmp |= DC_HPDx_INT_ACK;
3971 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3972 }
3973 }
3974 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3975 if (ASIC_IS_DCE3(rdev)) {
3976 tmp = RREG32(DC_HPD3_INT_CONTROL);
3977 tmp |= DC_HPDx_INT_ACK;
3978 WREG32(DC_HPD3_INT_CONTROL, tmp);
3979 } else {
3980 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3981 tmp |= DC_HPDx_INT_ACK;
3982 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3983 }
3984 }
3985 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3986 tmp = RREG32(DC_HPD4_INT_CONTROL);
3987 tmp |= DC_HPDx_INT_ACK;
3988 WREG32(DC_HPD4_INT_CONTROL, tmp);
3989 }
3990 if (ASIC_IS_DCE32(rdev)) {
3991 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3992 tmp = RREG32(DC_HPD5_INT_CONTROL);
3993 tmp |= DC_HPDx_INT_ACK;
3994 WREG32(DC_HPD5_INT_CONTROL, tmp);
3995 }
3996 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3997 tmp = RREG32(DC_HPD6_INT_CONTROL);
3998 tmp |= DC_HPDx_INT_ACK;
3999 WREG32(DC_HPD6_INT_CONTROL, tmp);
4000 }
4001 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
4002 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
4003 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4004 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
4005 }
4006 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
4007 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
4008 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4009 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
4010 }
4011 } else {
4012 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4013 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
4014 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4015 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
4016 }
4017 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4018 if (ASIC_IS_DCE3(rdev)) {
4019 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
4020 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4021 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
4022 } else {
4023 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
4024 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4025 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
4026 }
4027 }
4028 }
4029}
4030
4031void r600_irq_disable(struct radeon_device *rdev)
4032{
4033 r600_disable_interrupts(rdev);
4034 /* Wait and acknowledge irq */
4035 mdelay(1);
4036 r600_irq_ack(rdev);
4037 r600_disable_interrupt_state(rdev);
4038}
4039
4040static u32 r600_get_ih_wptr(struct radeon_device *rdev)
4041{
4042 u32 wptr, tmp;
4043
4044 if (rdev->wb.enabled)
4045 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4046 else
4047 wptr = RREG32(IH_RB_WPTR);
4048
4049 if (wptr & RB_OVERFLOW) {
4050 wptr &= ~RB_OVERFLOW;
4051 /* When a ring buffer overflow happen start parsing interrupt
4052 * from the last not overwritten vector (wptr + 16). Hopefully
4053 * this should allow us to catchup.
4054 */
4055 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4056 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4057 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4058 tmp = RREG32(IH_RB_CNTL);
4059 tmp |= IH_WPTR_OVERFLOW_CLEAR;
4060 WREG32(IH_RB_CNTL, tmp);
4061 }
4062 return (wptr & rdev->ih.ptr_mask);
4063}
4064
4065/* r600 IV Ring
4066 * Each IV ring entry is 128 bits:
4067 * [7:0] - interrupt source id
4068 * [31:8] - reserved
4069 * [59:32] - interrupt source data
4070 * [127:60] - reserved
4071 *
4072 * The basic interrupt vector entries
4073 * are decoded as follows:
4074 * src_id src_data description
4075 * 1 0 D1 Vblank
4076 * 1 1 D1 Vline
4077 * 5 0 D2 Vblank
4078 * 5 1 D2 Vline
4079 * 19 0 FP Hot plug detection A
4080 * 19 1 FP Hot plug detection B
4081 * 19 2 DAC A auto-detection
4082 * 19 3 DAC B auto-detection
4083 * 21 4 HDMI block A
4084 * 21 5 HDMI block B
4085 * 176 - CP_INT RB
4086 * 177 - CP_INT IB1
4087 * 178 - CP_INT IB2
4088 * 181 - EOP Interrupt
4089 * 233 - GUI Idle
4090 *
4091 * Note, these are based on r600 and may need to be
4092 * adjusted or added to on newer asics
4093 */
4094
4095int r600_irq_process(struct radeon_device *rdev)
4096{
4097 u32 wptr;
4098 u32 rptr;
4099 u32 src_id, src_data;
4100 u32 ring_index;
4101 bool queue_hotplug = false;
4102 bool queue_hdmi = false;
4103 bool queue_thermal = false;
4104
4105 if (!rdev->ih.enabled || rdev->shutdown)
4106 return IRQ_NONE;
4107
4108 /* No MSIs, need a dummy read to flush PCI DMAs */
4109 if (!rdev->msi_enabled)
4110 RREG32(IH_RB_WPTR);
4111
4112 wptr = r600_get_ih_wptr(rdev);
4113
4114restart_ih:
4115 /* is somebody else already processing irqs? */
4116 if (atomic_xchg(&rdev->ih.lock, 1))
4117 return IRQ_NONE;
4118
4119 rptr = rdev->ih.rptr;
4120 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4121
4122 /* Order reading of wptr vs. reading of IH ring data */
4123 rmb();
4124
4125 /* display interrupts */
4126 r600_irq_ack(rdev);
4127
4128 while (rptr != wptr) {
4129 /* wptr/rptr are in bytes! */
4130 ring_index = rptr / 4;
4131 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4132 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4133
4134 switch (src_id) {
4135 case 1: /* D1 vblank/vline */
4136 switch (src_data) {
4137 case 0: /* D1 vblank */
4138 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT))
4139 DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n");
4140
4141 if (rdev->irq.crtc_vblank_int[0]) {
4142 drm_handle_vblank(rdev->ddev, 0);
4143 rdev->pm.vblank_sync = true;
4144 wake_up(&rdev->irq.vblank_queue);
4145 }
4146 if (atomic_read(&rdev->irq.pflip[0]))
4147 radeon_crtc_handle_vblank(rdev, 0);
4148 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4149 DRM_DEBUG("IH: D1 vblank\n");
4150
4151 break;
4152 case 1: /* D1 vline */
4153 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT))
4154 DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n");
4155
4156 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4157 DRM_DEBUG("IH: D1 vline\n");
4158
4159 break;
4160 default:
4161 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4162 break;
4163 }
4164 break;
4165 case 5: /* D2 vblank/vline */
4166 switch (src_data) {
4167 case 0: /* D2 vblank */
4168 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT))
4169 DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n");
4170
4171 if (rdev->irq.crtc_vblank_int[1]) {
4172 drm_handle_vblank(rdev->ddev, 1);
4173 rdev->pm.vblank_sync = true;
4174 wake_up(&rdev->irq.vblank_queue);
4175 }
4176 if (atomic_read(&rdev->irq.pflip[1]))
4177 radeon_crtc_handle_vblank(rdev, 1);
4178 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
4179 DRM_DEBUG("IH: D2 vblank\n");
4180
4181 break;
4182 case 1: /* D1 vline */
4183 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT))
4184 DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n");
4185
4186 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
4187 DRM_DEBUG("IH: D2 vline\n");
4188
4189 break;
4190 default:
4191 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4192 break;
4193 }
4194 break;
4195 case 9: /* D1 pflip */
4196 DRM_DEBUG("IH: D1 flip\n");
4197 if (radeon_use_pflipirq > 0)
4198 radeon_crtc_handle_flip(rdev, 0);
4199 break;
4200 case 11: /* D2 pflip */
4201 DRM_DEBUG("IH: D2 flip\n");
4202 if (radeon_use_pflipirq > 0)
4203 radeon_crtc_handle_flip(rdev, 1);
4204 break;
4205 case 19: /* HPD/DAC hotplug */
4206 switch (src_data) {
4207 case 0:
4208 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT))
4209 DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n");
4210
4211 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
4212 queue_hotplug = true;
4213 DRM_DEBUG("IH: HPD1\n");
4214 break;
4215 case 1:
4216 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT))
4217 DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n");
4218
4219 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
4220 queue_hotplug = true;
4221 DRM_DEBUG("IH: HPD2\n");
4222 break;
4223 case 4:
4224 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT))
4225 DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n");
4226
4227 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
4228 queue_hotplug = true;
4229 DRM_DEBUG("IH: HPD3\n");
4230 break;
4231 case 5:
4232 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT))
4233 DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n");
4234
4235 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
4236 queue_hotplug = true;
4237 DRM_DEBUG("IH: HPD4\n");
4238 break;
4239 case 10:
4240 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT))
4241 DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n");
4242
4243 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
4244 queue_hotplug = true;
4245 DRM_DEBUG("IH: HPD5\n");
4246 break;
4247 case 12:
4248 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT))
4249 DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n");
4250
4251 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
4252 queue_hotplug = true;
4253 DRM_DEBUG("IH: HPD6\n");
4254
4255 break;
4256 default:
4257 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4258 break;
4259 }
4260 break;
4261 case 21: /* hdmi */
4262 switch (src_data) {
4263 case 4:
4264 if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG))
4265 DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n");
4266
4267 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4268 queue_hdmi = true;
4269 DRM_DEBUG("IH: HDMI0\n");
4270
4271 break;
4272 case 5:
4273 if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG))
4274 DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n");
4275
4276 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4277 queue_hdmi = true;
4278 DRM_DEBUG("IH: HDMI1\n");
4279
4280 break;
4281 default:
4282 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
4283 break;
4284 }
4285 break;
4286 case 124: /* UVD */
4287 DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4288 radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4289 break;
4290 case 176: /* CP_INT in ring buffer */
4291 case 177: /* CP_INT in IB1 */
4292 case 178: /* CP_INT in IB2 */
4293 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4294 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4295 break;
4296 case 181: /* CP EOP event */
4297 DRM_DEBUG("IH: CP EOP\n");
4298 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4299 break;
4300 case 224: /* DMA trap event */
4301 DRM_DEBUG("IH: DMA trap\n");
4302 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4303 break;
4304 case 230: /* thermal low to high */
4305 DRM_DEBUG("IH: thermal low to high\n");
4306 rdev->pm.dpm.thermal.high_to_low = false;
4307 queue_thermal = true;
4308 break;
4309 case 231: /* thermal high to low */
4310 DRM_DEBUG("IH: thermal high to low\n");
4311 rdev->pm.dpm.thermal.high_to_low = true;
4312 queue_thermal = true;
4313 break;
4314 case 233: /* GUI IDLE */
4315 DRM_DEBUG("IH: GUI idle\n");
4316 break;
4317 default:
4318 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4319 break;
4320 }
4321
4322 /* wptr/rptr are in bytes! */
4323 rptr += 16;
4324 rptr &= rdev->ih.ptr_mask;
4325 WREG32(IH_RB_RPTR, rptr);
4326 }
4327 if (queue_hotplug)
4328 schedule_delayed_work(&rdev->hotplug_work, 0);
4329 if (queue_hdmi)
4330 schedule_work(&rdev->audio_work);
4331 if (queue_thermal && rdev->pm.dpm_enabled)
4332 schedule_work(&rdev->pm.dpm.thermal.work);
4333 rdev->ih.rptr = rptr;
4334 atomic_set(&rdev->ih.lock, 0);
4335
4336 /* make sure wptr hasn't changed while processing */
4337 wptr = r600_get_ih_wptr(rdev);
4338 if (wptr != rptr)
4339 goto restart_ih;
4340
4341 return IRQ_HANDLED;
4342}
4343
4344/*
4345 * Debugfs info
4346 */
4347#if defined(CONFIG_DEBUG_FS)
4348
4349static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4350{
4351 struct drm_info_node *node = (struct drm_info_node *) m->private;
4352 struct drm_device *dev = node->minor->dev;
4353 struct radeon_device *rdev = dev->dev_private;
4354
4355 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4356 DREG32_SYS(m, rdev, VM_L2_STATUS);
4357 return 0;
4358}
4359
4360static struct drm_info_list r600_mc_info_list[] = {
4361 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
4362};
4363#endif
4364
4365int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4366{
4367#if defined(CONFIG_DEBUG_FS)
4368 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4369#else
4370 return 0;
4371#endif
4372}
4373
4374/**
4375 * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO
4376 * rdev: radeon device structure
4377 *
4378 * Some R6XX/R7XX don't seem to take into account HDP flushes performed
4379 * through the ring buffer. This leads to corruption in rendering, see
4380 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we
4381 * directly perform the HDP flush by writing the register through MMIO.
4382 */
4383void r600_mmio_hdp_flush(struct radeon_device *rdev)
4384{
4385 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
4386 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4387 * This seems to cause problems on some AGP cards. Just use the old
4388 * method for them.
4389 */
4390 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4391 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4392 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
4393 u32 tmp;
4394
4395 WREG32(HDP_DEBUG1, 0);
4396 tmp = readl((void __iomem *)ptr);
4397 } else
4398 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4399}
4400
4401void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4402{
4403 u32 link_width_cntl, mask;
4404
4405 if (rdev->flags & RADEON_IS_IGP)
4406 return;
4407
4408 if (!(rdev->flags & RADEON_IS_PCIE))
4409 return;
4410
4411 /* x2 cards have a special sequence */
4412 if (ASIC_IS_X2(rdev))
4413 return;
4414
4415 radeon_gui_idle(rdev);
4416
4417 switch (lanes) {
4418 case 0:
4419 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4420 break;
4421 case 1:
4422 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4423 break;
4424 case 2:
4425 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4426 break;
4427 case 4:
4428 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4429 break;
4430 case 8:
4431 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4432 break;
4433 case 12:
4434 /* not actually supported */
4435 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4436 break;
4437 case 16:
4438 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4439 break;
4440 default:
4441 DRM_ERROR("invalid pcie lane request: %d\n", lanes);
4442 return;
4443 }
4444
4445 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4446 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4447 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4448 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4449 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
4450
4451 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4452}
4453
4454int r600_get_pcie_lanes(struct radeon_device *rdev)
4455{
4456 u32 link_width_cntl;
4457
4458 if (rdev->flags & RADEON_IS_IGP)
4459 return 0;
4460
4461 if (!(rdev->flags & RADEON_IS_PCIE))
4462 return 0;
4463
4464 /* x2 cards have a special sequence */
4465 if (ASIC_IS_X2(rdev))
4466 return 0;
4467
4468 radeon_gui_idle(rdev);
4469
4470 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4471
4472 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
4473 case RADEON_PCIE_LC_LINK_WIDTH_X1:
4474 return 1;
4475 case RADEON_PCIE_LC_LINK_WIDTH_X2:
4476 return 2;
4477 case RADEON_PCIE_LC_LINK_WIDTH_X4:
4478 return 4;
4479 case RADEON_PCIE_LC_LINK_WIDTH_X8:
4480 return 8;
4481 case RADEON_PCIE_LC_LINK_WIDTH_X12:
4482 /* not actually supported */
4483 return 12;
4484 case RADEON_PCIE_LC_LINK_WIDTH_X0:
4485 case RADEON_PCIE_LC_LINK_WIDTH_X16:
4486 default:
4487 return 16;
4488 }
4489}
4490
4491static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4492{
4493 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4494 u16 link_cntl2;
4495
4496 if (radeon_pcie_gen2 == 0)
4497 return;
4498
4499 if (rdev->flags & RADEON_IS_IGP)
4500 return;
4501
4502 if (!(rdev->flags & RADEON_IS_PCIE))
4503 return;
4504
4505 /* x2 cards have a special sequence */
4506 if (ASIC_IS_X2(rdev))
4507 return;
4508
4509 /* only RV6xx+ chips are supported */
4510 if (rdev->family <= CHIP_R600)
4511 return;
4512
4513 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
4514 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
4515 return;
4516
4517 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4518 if (speed_cntl & LC_CURRENT_DATA_RATE) {
4519 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4520 return;
4521 }
4522
4523 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4524
4525 /* 55 nm r6xx asics */
4526 if ((rdev->family == CHIP_RV670) ||
4527 (rdev->family == CHIP_RV620) ||
4528 (rdev->family == CHIP_RV635)) {
4529 /* advertise upconfig capability */
4530 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4531 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4532 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4533 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4534 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4535 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4536 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4537 LC_RECONFIG_ARC_MISSING_ESCAPE);
4538 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4539 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4540 } else {
4541 link_width_cntl |= LC_UPCONFIGURE_DIS;
4542 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4543 }
4544 }
4545
4546 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4547 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4548 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4549
4550 /* 55 nm r6xx asics */
4551 if ((rdev->family == CHIP_RV670) ||
4552 (rdev->family == CHIP_RV620) ||
4553 (rdev->family == CHIP_RV635)) {
4554 WREG32(MM_CFGREGS_CNTL, 0x8);
4555 link_cntl2 = RREG32(0x4088);
4556 WREG32(MM_CFGREGS_CNTL, 0);
4557 /* not supported yet */
4558 if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4559 return;
4560 }
4561
4562 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4563 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4564 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4565 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4566 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4567 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4568
4569 tmp = RREG32(0x541c);
4570 WREG32(0x541c, tmp | 0x8);
4571 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4572 link_cntl2 = RREG16(0x4088);
4573 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4574 link_cntl2 |= 0x2;
4575 WREG16(0x4088, link_cntl2);
4576 WREG32(MM_CFGREGS_CNTL, 0);
4577
4578 if ((rdev->family == CHIP_RV670) ||
4579 (rdev->family == CHIP_RV620) ||
4580 (rdev->family == CHIP_RV635)) {
4581 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4582 training_cntl &= ~LC_POINT_7_PLUS_EN;
4583 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4584 } else {
4585 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4586 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4587 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4588 }
4589
4590 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4591 speed_cntl |= LC_GEN2_EN_STRAP;
4592 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4593
4594 } else {
4595 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4596 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4597 if (1)
4598 link_width_cntl |= LC_UPCONFIGURE_DIS;
4599 else
4600 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4601 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4602 }
4603}
4604
4605/**
4606 * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4607 *
4608 * @rdev: radeon_device pointer
4609 *
4610 * Fetches a GPU clock counter snapshot (R6xx-cayman).
4611 * Returns the 64 bit clock counter snapshot.
4612 */
4613uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4614{
4615 uint64_t clock;
4616
4617 mutex_lock(&rdev->gpu_clock_mutex);
4618 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4619 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4620 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4621 mutex_unlock(&rdev->gpu_clock_mutex);
4622 return clock;
4623}