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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/* RS600 / Radeon X1250/X1270 integrated GPU
29 *
30 * This file gather function specific to RS600 which is the IGP of
31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
32 * is the X1250/X1270 supporting AMD CPU). The display engine are
33 * the avivo one, bios is an atombios, 3D block are the one of the
34 * R4XX family. The GART is different from the RS400 one and is very
35 * close to the one of the R600 family (R600 likely being an evolution
36 * of the RS600 GART block).
37 */
38
39#include <linux/io-64-nonatomic-lo-hi.h>
40
41#include <drm/drm_device.h>
42#include <drm/drm_pci.h>
43#include <drm/drm_vblank.h>
44
45#include "atom.h"
46#include "radeon.h"
47#include "radeon_asic.h"
48#include "radeon_audio.h"
49#include "rs600_reg_safe.h"
50#include "rs600d.h"
51
52static void rs600_gpu_init(struct radeon_device *rdev);
53int rs600_mc_wait_for_idle(struct radeon_device *rdev);
54
55static const u32 crtc_offsets[2] =
56{
57 0,
58 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
59};
60
61static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
62{
63 if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
64 return true;
65 else
66 return false;
67}
68
69static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
70{
71 u32 pos1, pos2;
72
73 pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
74 pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
75
76 if (pos1 != pos2)
77 return true;
78 else
79 return false;
80}
81
82/**
83 * avivo_wait_for_vblank - vblank wait asic callback.
84 *
85 * @rdev: radeon_device pointer
86 * @crtc: crtc to wait for vblank on
87 *
88 * Wait for vblank on the requested crtc (r5xx-r7xx).
89 */
90void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
91{
92 unsigned i = 0;
93
94 if (crtc >= rdev->num_crtc)
95 return;
96
97 if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
98 return;
99
100 /* depending on when we hit vblank, we may be close to active; if so,
101 * wait for another frame.
102 */
103 while (avivo_is_in_vblank(rdev, crtc)) {
104 if (i++ % 100 == 0) {
105 if (!avivo_is_counter_moving(rdev, crtc))
106 break;
107 }
108 }
109
110 while (!avivo_is_in_vblank(rdev, crtc)) {
111 if (i++ % 100 == 0) {
112 if (!avivo_is_counter_moving(rdev, crtc))
113 break;
114 }
115 }
116}
117
118void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
119{
120 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
121 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
122 int i;
123
124 /* Lock the graphics update lock */
125 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
126 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
127
128 /* update the scanout addresses */
129 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
130 async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
131 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
132 (u32)crtc_base);
133 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
134 (u32)crtc_base);
135
136 /* Wait for update_pending to go high. */
137 for (i = 0; i < rdev->usec_timeout; i++) {
138 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
139 break;
140 udelay(1);
141 }
142 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
143
144 /* Unlock the lock, so double-buffering can take place inside vblank */
145 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
146 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
147}
148
149bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id)
150{
151 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
152
153 /* Return current update_pending status: */
154 return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
155 AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
156}
157
158void avivo_program_fmt(struct drm_encoder *encoder)
159{
160 struct drm_device *dev = encoder->dev;
161 struct radeon_device *rdev = dev->dev_private;
162 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
163 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
164 int bpc = 0;
165 u32 tmp = 0;
166 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
167
168 if (connector) {
169 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
170 bpc = radeon_get_monitor_bpc(connector);
171 dither = radeon_connector->dither;
172 }
173
174 /* LVDS FMT is set up by atom */
175 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
176 return;
177
178 if (bpc == 0)
179 return;
180
181 switch (bpc) {
182 case 6:
183 if (dither == RADEON_FMT_DITHER_ENABLE)
184 /* XXX sort out optimal dither settings */
185 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
186 else
187 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
188 break;
189 case 8:
190 if (dither == RADEON_FMT_DITHER_ENABLE)
191 /* XXX sort out optimal dither settings */
192 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
193 AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
194 else
195 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
196 AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
197 break;
198 case 10:
199 default:
200 /* not needed */
201 break;
202 }
203
204 switch (radeon_encoder->encoder_id) {
205 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
206 WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
207 break;
208 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
209 WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
210 break;
211 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
212 WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
213 break;
214 case ENCODER_OBJECT_ID_INTERNAL_DDI:
215 WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
216 break;
217 default:
218 break;
219 }
220}
221
222void rs600_pm_misc(struct radeon_device *rdev)
223{
224 int requested_index = rdev->pm.requested_power_state_index;
225 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
226 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
227 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
228 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
229
230 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
231 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
232 tmp = RREG32(voltage->gpio.reg);
233 if (voltage->active_high)
234 tmp |= voltage->gpio.mask;
235 else
236 tmp &= ~(voltage->gpio.mask);
237 WREG32(voltage->gpio.reg, tmp);
238 if (voltage->delay)
239 udelay(voltage->delay);
240 } else {
241 tmp = RREG32(voltage->gpio.reg);
242 if (voltage->active_high)
243 tmp &= ~voltage->gpio.mask;
244 else
245 tmp |= voltage->gpio.mask;
246 WREG32(voltage->gpio.reg, tmp);
247 if (voltage->delay)
248 udelay(voltage->delay);
249 }
250 } else if (voltage->type == VOLTAGE_VDDC)
251 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
252
253 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
254 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
255 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
256 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
257 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
258 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
259 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
260 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
261 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
262 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
263 }
264 } else {
265 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
266 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
267 }
268 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
269
270 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
271 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
272 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
273 if (voltage->delay) {
274 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
275 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
276 } else
277 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
278 } else
279 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
280 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
281
282 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
283 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
284 hdp_dyn_cntl &= ~HDP_FORCEON;
285 else
286 hdp_dyn_cntl |= HDP_FORCEON;
287 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
288#if 0
289 /* mc_host_dyn seems to cause hangs from time to time */
290 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
291 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
292 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
293 else
294 mc_host_dyn_cntl |= MC_HOST_FORCEON;
295 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
296#endif
297 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
298 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
299 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
300 else
301 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
302 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
303
304 /* set pcie lanes */
305 if ((rdev->flags & RADEON_IS_PCIE) &&
306 !(rdev->flags & RADEON_IS_IGP) &&
307 rdev->asic->pm.set_pcie_lanes &&
308 (ps->pcie_lanes !=
309 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
310 radeon_set_pcie_lanes(rdev,
311 ps->pcie_lanes);
312 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
313 }
314}
315
316void rs600_pm_prepare(struct radeon_device *rdev)
317{
318 struct drm_device *ddev = rdev->ddev;
319 struct drm_crtc *crtc;
320 struct radeon_crtc *radeon_crtc;
321 u32 tmp;
322
323 /* disable any active CRTCs */
324 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
325 radeon_crtc = to_radeon_crtc(crtc);
326 if (radeon_crtc->enabled) {
327 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
328 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
329 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
330 }
331 }
332}
333
334void rs600_pm_finish(struct radeon_device *rdev)
335{
336 struct drm_device *ddev = rdev->ddev;
337 struct drm_crtc *crtc;
338 struct radeon_crtc *radeon_crtc;
339 u32 tmp;
340
341 /* enable any active CRTCs */
342 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
343 radeon_crtc = to_radeon_crtc(crtc);
344 if (radeon_crtc->enabled) {
345 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
346 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
347 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
348 }
349 }
350}
351
352/* hpd for digital panel detect/disconnect */
353bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
354{
355 u32 tmp;
356 bool connected = false;
357
358 switch (hpd) {
359 case RADEON_HPD_1:
360 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
361 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
362 connected = true;
363 break;
364 case RADEON_HPD_2:
365 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
366 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
367 connected = true;
368 break;
369 default:
370 break;
371 }
372 return connected;
373}
374
375void rs600_hpd_set_polarity(struct radeon_device *rdev,
376 enum radeon_hpd_id hpd)
377{
378 u32 tmp;
379 bool connected = rs600_hpd_sense(rdev, hpd);
380
381 switch (hpd) {
382 case RADEON_HPD_1:
383 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
384 if (connected)
385 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
386 else
387 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
388 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
389 break;
390 case RADEON_HPD_2:
391 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
392 if (connected)
393 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
394 else
395 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
396 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
397 break;
398 default:
399 break;
400 }
401}
402
403void rs600_hpd_init(struct radeon_device *rdev)
404{
405 struct drm_device *dev = rdev->ddev;
406 struct drm_connector *connector;
407 unsigned enable = 0;
408
409 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
410 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
411 switch (radeon_connector->hpd.hpd) {
412 case RADEON_HPD_1:
413 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
414 S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
415 break;
416 case RADEON_HPD_2:
417 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
418 S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
419 break;
420 default:
421 break;
422 }
423 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
424 enable |= 1 << radeon_connector->hpd.hpd;
425 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
426 }
427 radeon_irq_kms_enable_hpd(rdev, enable);
428}
429
430void rs600_hpd_fini(struct radeon_device *rdev)
431{
432 struct drm_device *dev = rdev->ddev;
433 struct drm_connector *connector;
434 unsigned disable = 0;
435
436 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
437 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
438 switch (radeon_connector->hpd.hpd) {
439 case RADEON_HPD_1:
440 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
441 S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
442 break;
443 case RADEON_HPD_2:
444 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
445 S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
446 break;
447 default:
448 break;
449 }
450 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
451 disable |= 1 << radeon_connector->hpd.hpd;
452 }
453 radeon_irq_kms_disable_hpd(rdev, disable);
454}
455
456int rs600_asic_reset(struct radeon_device *rdev, bool hard)
457{
458 struct rv515_mc_save save;
459 u32 status, tmp;
460 int ret = 0;
461
462 status = RREG32(R_000E40_RBBM_STATUS);
463 if (!G_000E40_GUI_ACTIVE(status)) {
464 return 0;
465 }
466 /* Stops all mc clients */
467 rv515_mc_stop(rdev, &save);
468 status = RREG32(R_000E40_RBBM_STATUS);
469 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
470 /* stop CP */
471 WREG32(RADEON_CP_CSQ_CNTL, 0);
472 tmp = RREG32(RADEON_CP_RB_CNTL);
473 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
474 WREG32(RADEON_CP_RB_RPTR_WR, 0);
475 WREG32(RADEON_CP_RB_WPTR, 0);
476 WREG32(RADEON_CP_RB_CNTL, tmp);
477 pci_save_state(rdev->pdev);
478 /* disable bus mastering */
479 pci_clear_master(rdev->pdev);
480 mdelay(1);
481 /* reset GA+VAP */
482 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
483 S_0000F0_SOFT_RESET_GA(1));
484 RREG32(R_0000F0_RBBM_SOFT_RESET);
485 mdelay(500);
486 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
487 mdelay(1);
488 status = RREG32(R_000E40_RBBM_STATUS);
489 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
490 /* reset CP */
491 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
492 RREG32(R_0000F0_RBBM_SOFT_RESET);
493 mdelay(500);
494 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
495 mdelay(1);
496 status = RREG32(R_000E40_RBBM_STATUS);
497 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
498 /* reset MC */
499 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
500 RREG32(R_0000F0_RBBM_SOFT_RESET);
501 mdelay(500);
502 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
503 mdelay(1);
504 status = RREG32(R_000E40_RBBM_STATUS);
505 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
506 /* restore PCI & busmastering */
507 pci_restore_state(rdev->pdev);
508 /* Check if GPU is idle */
509 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
510 dev_err(rdev->dev, "failed to reset GPU\n");
511 ret = -1;
512 } else
513 dev_info(rdev->dev, "GPU reset succeed\n");
514 rv515_mc_resume(rdev, &save);
515 return ret;
516}
517
518/*
519 * GART.
520 */
521void rs600_gart_tlb_flush(struct radeon_device *rdev)
522{
523 uint32_t tmp;
524
525 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
526 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
527 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
528
529 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
530 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
531 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
532
533 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
534 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
535 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
536 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
537}
538
539static int rs600_gart_init(struct radeon_device *rdev)
540{
541 int r;
542
543 if (rdev->gart.robj) {
544 WARN(1, "RS600 GART already initialized\n");
545 return 0;
546 }
547 /* Initialize common gart structure */
548 r = radeon_gart_init(rdev);
549 if (r) {
550 return r;
551 }
552 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
553 return radeon_gart_table_vram_alloc(rdev);
554}
555
556static int rs600_gart_enable(struct radeon_device *rdev)
557{
558 u32 tmp;
559 int r, i;
560
561 if (rdev->gart.robj == NULL) {
562 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
563 return -EINVAL;
564 }
565 r = radeon_gart_table_vram_pin(rdev);
566 if (r)
567 return r;
568 /* Enable bus master */
569 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
570 WREG32(RADEON_BUS_CNTL, tmp);
571 /* FIXME: setup default page */
572 WREG32_MC(R_000100_MC_PT0_CNTL,
573 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
574 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
575
576 for (i = 0; i < 19; i++) {
577 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
578 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
579 S_00016C_SYSTEM_ACCESS_MODE_MASK(
580 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
581 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
582 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
583 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
584 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
585 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
586 }
587 /* enable first context */
588 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
589 S_000102_ENABLE_PAGE_TABLE(1) |
590 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
591
592 /* disable all other contexts */
593 for (i = 1; i < 8; i++)
594 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
595
596 /* setup the page table */
597 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
598 rdev->gart.table_addr);
599 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
600 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
601 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
602
603 /* System context maps to VRAM space */
604 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
605 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
606
607 /* enable page tables */
608 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
609 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
610 tmp = RREG32_MC(R_000009_MC_CNTL1);
611 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
612 rs600_gart_tlb_flush(rdev);
613 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
614 (unsigned)(rdev->mc.gtt_size >> 20),
615 (unsigned long long)rdev->gart.table_addr);
616 rdev->gart.ready = true;
617 return 0;
618}
619
620static void rs600_gart_disable(struct radeon_device *rdev)
621{
622 u32 tmp;
623
624 /* FIXME: disable out of gart access */
625 WREG32_MC(R_000100_MC_PT0_CNTL, 0);
626 tmp = RREG32_MC(R_000009_MC_CNTL1);
627 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
628 radeon_gart_table_vram_unpin(rdev);
629}
630
631static void rs600_gart_fini(struct radeon_device *rdev)
632{
633 radeon_gart_fini(rdev);
634 rs600_gart_disable(rdev);
635 radeon_gart_table_vram_free(rdev);
636}
637
638uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
639{
640 addr = addr & 0xFFFFFFFFFFFFF000ULL;
641 addr |= R600_PTE_SYSTEM;
642 if (flags & RADEON_GART_PAGE_VALID)
643 addr |= R600_PTE_VALID;
644 if (flags & RADEON_GART_PAGE_READ)
645 addr |= R600_PTE_READABLE;
646 if (flags & RADEON_GART_PAGE_WRITE)
647 addr |= R600_PTE_WRITEABLE;
648 if (flags & RADEON_GART_PAGE_SNOOP)
649 addr |= R600_PTE_SNOOPED;
650 return addr;
651}
652
653void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
654 uint64_t entry)
655{
656 void __iomem *ptr = (void *)rdev->gart.ptr;
657 writeq(entry, ptr + (i * 8));
658}
659
660int rs600_irq_set(struct radeon_device *rdev)
661{
662 uint32_t tmp = 0;
663 uint32_t mode_int = 0;
664 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
665 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
666 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
667 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
668 u32 hdmi0;
669 if (ASIC_IS_DCE2(rdev))
670 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
671 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
672 else
673 hdmi0 = 0;
674
675 if (!rdev->irq.installed) {
676 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
677 WREG32(R_000040_GEN_INT_CNTL, 0);
678 return -EINVAL;
679 }
680 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
681 tmp |= S_000040_SW_INT_EN(1);
682 }
683 if (rdev->irq.crtc_vblank_int[0] ||
684 atomic_read(&rdev->irq.pflip[0])) {
685 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
686 }
687 if (rdev->irq.crtc_vblank_int[1] ||
688 atomic_read(&rdev->irq.pflip[1])) {
689 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
690 }
691 if (rdev->irq.hpd[0]) {
692 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
693 }
694 if (rdev->irq.hpd[1]) {
695 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
696 }
697 if (rdev->irq.afmt[0]) {
698 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
699 }
700 WREG32(R_000040_GEN_INT_CNTL, tmp);
701 WREG32(R_006540_DxMODE_INT_MASK, mode_int);
702 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
703 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
704 if (ASIC_IS_DCE2(rdev))
705 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
706
707 /* posting read */
708 RREG32(R_000040_GEN_INT_CNTL);
709
710 return 0;
711}
712
713static inline u32 rs600_irq_ack(struct radeon_device *rdev)
714{
715 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
716 uint32_t irq_mask = S_000044_SW_INT(1);
717 u32 tmp;
718
719 if (G_000044_DISPLAY_INT_STAT(irqs)) {
720 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
721 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
722 WREG32(R_006534_D1MODE_VBLANK_STATUS,
723 S_006534_D1MODE_VBLANK_ACK(1));
724 }
725 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
726 WREG32(R_006D34_D2MODE_VBLANK_STATUS,
727 S_006D34_D2MODE_VBLANK_ACK(1));
728 }
729 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
730 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
731 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
732 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
733 }
734 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
735 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
736 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
737 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
738 }
739 } else {
740 rdev->irq.stat_regs.r500.disp_int = 0;
741 }
742
743 if (ASIC_IS_DCE2(rdev)) {
744 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
745 S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
746 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
747 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
748 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
749 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
750 }
751 } else
752 rdev->irq.stat_regs.r500.hdmi0_status = 0;
753
754 if (irqs) {
755 WREG32(R_000044_GEN_INT_STATUS, irqs);
756 }
757 return irqs & irq_mask;
758}
759
760void rs600_irq_disable(struct radeon_device *rdev)
761{
762 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
763 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
764 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
765 WREG32(R_000040_GEN_INT_CNTL, 0);
766 WREG32(R_006540_DxMODE_INT_MASK, 0);
767 /* Wait and acknowledge irq */
768 mdelay(1);
769 rs600_irq_ack(rdev);
770}
771
772int rs600_irq_process(struct radeon_device *rdev)
773{
774 u32 status, msi_rearm;
775 bool queue_hotplug = false;
776 bool queue_hdmi = false;
777
778 status = rs600_irq_ack(rdev);
779 if (!status &&
780 !rdev->irq.stat_regs.r500.disp_int &&
781 !rdev->irq.stat_regs.r500.hdmi0_status) {
782 return IRQ_NONE;
783 }
784 while (status ||
785 rdev->irq.stat_regs.r500.disp_int ||
786 rdev->irq.stat_regs.r500.hdmi0_status) {
787 /* SW interrupt */
788 if (G_000044_SW_INT(status)) {
789 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
790 }
791 /* Vertical blank interrupts */
792 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
793 if (rdev->irq.crtc_vblank_int[0]) {
794 drm_handle_vblank(rdev->ddev, 0);
795 rdev->pm.vblank_sync = true;
796 wake_up(&rdev->irq.vblank_queue);
797 }
798 if (atomic_read(&rdev->irq.pflip[0]))
799 radeon_crtc_handle_vblank(rdev, 0);
800 }
801 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
802 if (rdev->irq.crtc_vblank_int[1]) {
803 drm_handle_vblank(rdev->ddev, 1);
804 rdev->pm.vblank_sync = true;
805 wake_up(&rdev->irq.vblank_queue);
806 }
807 if (atomic_read(&rdev->irq.pflip[1]))
808 radeon_crtc_handle_vblank(rdev, 1);
809 }
810 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
811 queue_hotplug = true;
812 DRM_DEBUG("HPD1\n");
813 }
814 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
815 queue_hotplug = true;
816 DRM_DEBUG("HPD2\n");
817 }
818 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
819 queue_hdmi = true;
820 DRM_DEBUG("HDMI0\n");
821 }
822 status = rs600_irq_ack(rdev);
823 }
824 if (queue_hotplug)
825 schedule_delayed_work(&rdev->hotplug_work, 0);
826 if (queue_hdmi)
827 schedule_work(&rdev->audio_work);
828 if (rdev->msi_enabled) {
829 switch (rdev->family) {
830 case CHIP_RS600:
831 case CHIP_RS690:
832 case CHIP_RS740:
833 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
834 WREG32(RADEON_BUS_CNTL, msi_rearm);
835 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
836 break;
837 default:
838 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
839 break;
840 }
841 }
842 return IRQ_HANDLED;
843}
844
845u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
846{
847 if (crtc == 0)
848 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
849 else
850 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
851}
852
853int rs600_mc_wait_for_idle(struct radeon_device *rdev)
854{
855 unsigned i;
856
857 for (i = 0; i < rdev->usec_timeout; i++) {
858 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
859 return 0;
860 udelay(1);
861 }
862 return -1;
863}
864
865static void rs600_gpu_init(struct radeon_device *rdev)
866{
867 r420_pipes_init(rdev);
868 /* Wait for mc idle */
869 if (rs600_mc_wait_for_idle(rdev))
870 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
871}
872
873static void rs600_mc_init(struct radeon_device *rdev)
874{
875 u64 base;
876
877 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
878 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
879 rdev->mc.vram_is_ddr = true;
880 rdev->mc.vram_width = 128;
881 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
882 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
883 rdev->mc.visible_vram_size = rdev->mc.aper_size;
884 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
885 base = RREG32_MC(R_000004_MC_FB_LOCATION);
886 base = G_000004_MC_FB_START(base) << 16;
887 radeon_vram_location(rdev, &rdev->mc, base);
888 rdev->mc.gtt_base_align = 0;
889 radeon_gtt_location(rdev, &rdev->mc);
890 radeon_update_bandwidth_info(rdev);
891}
892
893void rs600_bandwidth_update(struct radeon_device *rdev)
894{
895 struct drm_display_mode *mode0 = NULL;
896 struct drm_display_mode *mode1 = NULL;
897 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
898 /* FIXME: implement full support */
899
900 if (!rdev->mode_info.mode_config_initialized)
901 return;
902
903 radeon_update_display_priority(rdev);
904
905 if (rdev->mode_info.crtcs[0]->base.enabled)
906 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
907 if (rdev->mode_info.crtcs[1]->base.enabled)
908 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
909
910 rs690_line_buffer_adjust(rdev, mode0, mode1);
911
912 if (rdev->disp_priority == 2) {
913 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
914 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
915 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
916 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
917 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
918 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
919 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
920 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
921 }
922}
923
924uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
925{
926 unsigned long flags;
927 u32 r;
928
929 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
930 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
931 S_000070_MC_IND_CITF_ARB0(1));
932 r = RREG32(R_000074_MC_IND_DATA);
933 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
934 return r;
935}
936
937void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
938{
939 unsigned long flags;
940
941 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
942 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
943 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
944 WREG32(R_000074_MC_IND_DATA, v);
945 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
946}
947
948static void rs600_debugfs(struct radeon_device *rdev)
949{
950 if (r100_debugfs_rbbm_init(rdev))
951 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
952}
953
954void rs600_set_safe_registers(struct radeon_device *rdev)
955{
956 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
957 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
958}
959
960static void rs600_mc_program(struct radeon_device *rdev)
961{
962 struct rv515_mc_save save;
963
964 /* Stops all mc clients */
965 rv515_mc_stop(rdev, &save);
966
967 /* Wait for mc idle */
968 if (rs600_mc_wait_for_idle(rdev))
969 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
970
971 /* FIXME: What does AGP means for such chipset ? */
972 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
973 WREG32_MC(R_000006_AGP_BASE, 0);
974 WREG32_MC(R_000007_AGP_BASE_2, 0);
975 /* Program MC */
976 WREG32_MC(R_000004_MC_FB_LOCATION,
977 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
978 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
979 WREG32(R_000134_HDP_FB_LOCATION,
980 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
981
982 rv515_mc_resume(rdev, &save);
983}
984
985static int rs600_startup(struct radeon_device *rdev)
986{
987 int r;
988
989 rs600_mc_program(rdev);
990 /* Resume clock */
991 rv515_clock_startup(rdev);
992 /* Initialize GPU configuration (# pipes, ...) */
993 rs600_gpu_init(rdev);
994 /* Initialize GART (initialize after TTM so we can allocate
995 * memory through TTM but finalize after TTM) */
996 r = rs600_gart_enable(rdev);
997 if (r)
998 return r;
999
1000 /* allocate wb buffer */
1001 r = radeon_wb_init(rdev);
1002 if (r)
1003 return r;
1004
1005 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1006 if (r) {
1007 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1008 return r;
1009 }
1010
1011 /* Enable IRQ */
1012 if (!rdev->irq.installed) {
1013 r = radeon_irq_kms_init(rdev);
1014 if (r)
1015 return r;
1016 }
1017
1018 rs600_irq_set(rdev);
1019 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1020 /* 1M ring buffer */
1021 r = r100_cp_init(rdev, 1024 * 1024);
1022 if (r) {
1023 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1024 return r;
1025 }
1026
1027 r = radeon_ib_pool_init(rdev);
1028 if (r) {
1029 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1030 return r;
1031 }
1032
1033 r = radeon_audio_init(rdev);
1034 if (r) {
1035 dev_err(rdev->dev, "failed initializing audio\n");
1036 return r;
1037 }
1038
1039 return 0;
1040}
1041
1042int rs600_resume(struct radeon_device *rdev)
1043{
1044 int r;
1045
1046 /* Make sur GART are not working */
1047 rs600_gart_disable(rdev);
1048 /* Resume clock before doing reset */
1049 rv515_clock_startup(rdev);
1050 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1051 if (radeon_asic_reset(rdev)) {
1052 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1053 RREG32(R_000E40_RBBM_STATUS),
1054 RREG32(R_0007C0_CP_STAT));
1055 }
1056 /* post */
1057 atom_asic_init(rdev->mode_info.atom_context);
1058 /* Resume clock after posting */
1059 rv515_clock_startup(rdev);
1060 /* Initialize surface registers */
1061 radeon_surface_init(rdev);
1062
1063 rdev->accel_working = true;
1064 r = rs600_startup(rdev);
1065 if (r) {
1066 rdev->accel_working = false;
1067 }
1068 return r;
1069}
1070
1071int rs600_suspend(struct radeon_device *rdev)
1072{
1073 radeon_pm_suspend(rdev);
1074 radeon_audio_fini(rdev);
1075 r100_cp_disable(rdev);
1076 radeon_wb_disable(rdev);
1077 rs600_irq_disable(rdev);
1078 rs600_gart_disable(rdev);
1079 return 0;
1080}
1081
1082void rs600_fini(struct radeon_device *rdev)
1083{
1084 radeon_pm_fini(rdev);
1085 radeon_audio_fini(rdev);
1086 r100_cp_fini(rdev);
1087 radeon_wb_fini(rdev);
1088 radeon_ib_pool_fini(rdev);
1089 radeon_gem_fini(rdev);
1090 rs600_gart_fini(rdev);
1091 radeon_irq_kms_fini(rdev);
1092 radeon_fence_driver_fini(rdev);
1093 radeon_bo_fini(rdev);
1094 radeon_atombios_fini(rdev);
1095 kfree(rdev->bios);
1096 rdev->bios = NULL;
1097}
1098
1099int rs600_init(struct radeon_device *rdev)
1100{
1101 int r;
1102
1103 /* Disable VGA */
1104 rv515_vga_render_disable(rdev);
1105 /* Initialize scratch registers */
1106 radeon_scratch_init(rdev);
1107 /* Initialize surface registers */
1108 radeon_surface_init(rdev);
1109 /* restore some register to sane defaults */
1110 r100_restore_sanity(rdev);
1111 /* BIOS */
1112 if (!radeon_get_bios(rdev)) {
1113 if (ASIC_IS_AVIVO(rdev))
1114 return -EINVAL;
1115 }
1116 if (rdev->is_atom_bios) {
1117 r = radeon_atombios_init(rdev);
1118 if (r)
1119 return r;
1120 } else {
1121 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1122 return -EINVAL;
1123 }
1124 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1125 if (radeon_asic_reset(rdev)) {
1126 dev_warn(rdev->dev,
1127 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1128 RREG32(R_000E40_RBBM_STATUS),
1129 RREG32(R_0007C0_CP_STAT));
1130 }
1131 /* check if cards are posted or not */
1132 if (radeon_boot_test_post_card(rdev) == false)
1133 return -EINVAL;
1134
1135 /* Initialize clocks */
1136 radeon_get_clock_info(rdev->ddev);
1137 /* initialize memory controller */
1138 rs600_mc_init(rdev);
1139 rs600_debugfs(rdev);
1140 /* Fence driver */
1141 r = radeon_fence_driver_init(rdev);
1142 if (r)
1143 return r;
1144 /* Memory manager */
1145 r = radeon_bo_init(rdev);
1146 if (r)
1147 return r;
1148 r = rs600_gart_init(rdev);
1149 if (r)
1150 return r;
1151 rs600_set_safe_registers(rdev);
1152
1153 /* Initialize power management */
1154 radeon_pm_init(rdev);
1155
1156 rdev->accel_working = true;
1157 r = rs600_startup(rdev);
1158 if (r) {
1159 /* Somethings want wront with the accel init stop accel */
1160 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1161 r100_cp_fini(rdev);
1162 radeon_wb_fini(rdev);
1163 radeon_ib_pool_fini(rdev);
1164 rs600_gart_fini(rdev);
1165 radeon_irq_kms_fini(rdev);
1166 rdev->accel_working = false;
1167 }
1168 return 0;
1169}
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/* RS600 / Radeon X1250/X1270 integrated GPU
29 *
30 * This file gather function specific to RS600 which is the IGP of
31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
32 * is the X1250/X1270 supporting AMD CPU). The display engine are
33 * the avivo one, bios is an atombios, 3D block are the one of the
34 * R4XX family. The GART is different from the RS400 one and is very
35 * close to the one of the R600 family (R600 likely being an evolution
36 * of the RS600 GART block).
37 */
38#include <drm/drmP.h>
39#include "radeon.h"
40#include "radeon_asic.h"
41#include "radeon_audio.h"
42#include "atom.h"
43#include "rs600d.h"
44
45#include "rs600_reg_safe.h"
46
47static void rs600_gpu_init(struct radeon_device *rdev);
48int rs600_mc_wait_for_idle(struct radeon_device *rdev);
49
50static const u32 crtc_offsets[2] =
51{
52 0,
53 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
54};
55
56static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
57{
58 if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
59 return true;
60 else
61 return false;
62}
63
64static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
65{
66 u32 pos1, pos2;
67
68 pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
69 pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
70
71 if (pos1 != pos2)
72 return true;
73 else
74 return false;
75}
76
77/**
78 * avivo_wait_for_vblank - vblank wait asic callback.
79 *
80 * @rdev: radeon_device pointer
81 * @crtc: crtc to wait for vblank on
82 *
83 * Wait for vblank on the requested crtc (r5xx-r7xx).
84 */
85void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
86{
87 unsigned i = 0;
88
89 if (crtc >= rdev->num_crtc)
90 return;
91
92 if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
93 return;
94
95 /* depending on when we hit vblank, we may be close to active; if so,
96 * wait for another frame.
97 */
98 while (avivo_is_in_vblank(rdev, crtc)) {
99 if (i++ % 100 == 0) {
100 if (!avivo_is_counter_moving(rdev, crtc))
101 break;
102 }
103 }
104
105 while (!avivo_is_in_vblank(rdev, crtc)) {
106 if (i++ % 100 == 0) {
107 if (!avivo_is_counter_moving(rdev, crtc))
108 break;
109 }
110 }
111}
112
113void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
114{
115 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
116 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
117 int i;
118
119 /* Lock the graphics update lock */
120 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
121 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
122
123 /* update the scanout addresses */
124 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
125 async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
126 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
127 (u32)crtc_base);
128 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
129 (u32)crtc_base);
130
131 /* Wait for update_pending to go high. */
132 for (i = 0; i < rdev->usec_timeout; i++) {
133 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
134 break;
135 udelay(1);
136 }
137 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
138
139 /* Unlock the lock, so double-buffering can take place inside vblank */
140 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
141 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
142}
143
144bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id)
145{
146 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
147
148 /* Return current update_pending status: */
149 return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
150 AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
151}
152
153void avivo_program_fmt(struct drm_encoder *encoder)
154{
155 struct drm_device *dev = encoder->dev;
156 struct radeon_device *rdev = dev->dev_private;
157 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
158 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
159 int bpc = 0;
160 u32 tmp = 0;
161 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
162
163 if (connector) {
164 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
165 bpc = radeon_get_monitor_bpc(connector);
166 dither = radeon_connector->dither;
167 }
168
169 /* LVDS FMT is set up by atom */
170 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
171 return;
172
173 if (bpc == 0)
174 return;
175
176 switch (bpc) {
177 case 6:
178 if (dither == RADEON_FMT_DITHER_ENABLE)
179 /* XXX sort out optimal dither settings */
180 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
181 else
182 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
183 break;
184 case 8:
185 if (dither == RADEON_FMT_DITHER_ENABLE)
186 /* XXX sort out optimal dither settings */
187 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
188 AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
189 else
190 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
191 AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
192 break;
193 case 10:
194 default:
195 /* not needed */
196 break;
197 }
198
199 switch (radeon_encoder->encoder_id) {
200 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
201 WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
202 break;
203 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
204 WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
205 break;
206 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
207 WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
208 break;
209 case ENCODER_OBJECT_ID_INTERNAL_DDI:
210 WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
211 break;
212 default:
213 break;
214 }
215}
216
217void rs600_pm_misc(struct radeon_device *rdev)
218{
219 int requested_index = rdev->pm.requested_power_state_index;
220 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
221 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
222 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
223 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
224
225 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
226 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
227 tmp = RREG32(voltage->gpio.reg);
228 if (voltage->active_high)
229 tmp |= voltage->gpio.mask;
230 else
231 tmp &= ~(voltage->gpio.mask);
232 WREG32(voltage->gpio.reg, tmp);
233 if (voltage->delay)
234 udelay(voltage->delay);
235 } else {
236 tmp = RREG32(voltage->gpio.reg);
237 if (voltage->active_high)
238 tmp &= ~voltage->gpio.mask;
239 else
240 tmp |= voltage->gpio.mask;
241 WREG32(voltage->gpio.reg, tmp);
242 if (voltage->delay)
243 udelay(voltage->delay);
244 }
245 } else if (voltage->type == VOLTAGE_VDDC)
246 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
247
248 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
249 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
250 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
251 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
252 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
253 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
254 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
255 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
256 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
257 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
258 }
259 } else {
260 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
261 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
262 }
263 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
264
265 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
266 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
267 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
268 if (voltage->delay) {
269 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
270 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
271 } else
272 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
273 } else
274 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
275 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
276
277 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
278 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
279 hdp_dyn_cntl &= ~HDP_FORCEON;
280 else
281 hdp_dyn_cntl |= HDP_FORCEON;
282 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
283#if 0
284 /* mc_host_dyn seems to cause hangs from time to time */
285 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
286 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
287 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
288 else
289 mc_host_dyn_cntl |= MC_HOST_FORCEON;
290 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
291#endif
292 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
293 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
294 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
295 else
296 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
297 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
298
299 /* set pcie lanes */
300 if ((rdev->flags & RADEON_IS_PCIE) &&
301 !(rdev->flags & RADEON_IS_IGP) &&
302 rdev->asic->pm.set_pcie_lanes &&
303 (ps->pcie_lanes !=
304 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
305 radeon_set_pcie_lanes(rdev,
306 ps->pcie_lanes);
307 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
308 }
309}
310
311void rs600_pm_prepare(struct radeon_device *rdev)
312{
313 struct drm_device *ddev = rdev->ddev;
314 struct drm_crtc *crtc;
315 struct radeon_crtc *radeon_crtc;
316 u32 tmp;
317
318 /* disable any active CRTCs */
319 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
320 radeon_crtc = to_radeon_crtc(crtc);
321 if (radeon_crtc->enabled) {
322 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
323 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
324 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
325 }
326 }
327}
328
329void rs600_pm_finish(struct radeon_device *rdev)
330{
331 struct drm_device *ddev = rdev->ddev;
332 struct drm_crtc *crtc;
333 struct radeon_crtc *radeon_crtc;
334 u32 tmp;
335
336 /* enable any active CRTCs */
337 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
338 radeon_crtc = to_radeon_crtc(crtc);
339 if (radeon_crtc->enabled) {
340 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
341 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
342 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
343 }
344 }
345}
346
347/* hpd for digital panel detect/disconnect */
348bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
349{
350 u32 tmp;
351 bool connected = false;
352
353 switch (hpd) {
354 case RADEON_HPD_1:
355 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
356 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
357 connected = true;
358 break;
359 case RADEON_HPD_2:
360 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
361 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
362 connected = true;
363 break;
364 default:
365 break;
366 }
367 return connected;
368}
369
370void rs600_hpd_set_polarity(struct radeon_device *rdev,
371 enum radeon_hpd_id hpd)
372{
373 u32 tmp;
374 bool connected = rs600_hpd_sense(rdev, hpd);
375
376 switch (hpd) {
377 case RADEON_HPD_1:
378 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
379 if (connected)
380 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
381 else
382 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
383 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
384 break;
385 case RADEON_HPD_2:
386 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
387 if (connected)
388 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
389 else
390 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
391 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
392 break;
393 default:
394 break;
395 }
396}
397
398void rs600_hpd_init(struct radeon_device *rdev)
399{
400 struct drm_device *dev = rdev->ddev;
401 struct drm_connector *connector;
402 unsigned enable = 0;
403
404 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
405 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
406 switch (radeon_connector->hpd.hpd) {
407 case RADEON_HPD_1:
408 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
409 S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
410 break;
411 case RADEON_HPD_2:
412 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
413 S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
414 break;
415 default:
416 break;
417 }
418 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
419 enable |= 1 << radeon_connector->hpd.hpd;
420 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
421 }
422 radeon_irq_kms_enable_hpd(rdev, enable);
423}
424
425void rs600_hpd_fini(struct radeon_device *rdev)
426{
427 struct drm_device *dev = rdev->ddev;
428 struct drm_connector *connector;
429 unsigned disable = 0;
430
431 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
432 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
433 switch (radeon_connector->hpd.hpd) {
434 case RADEON_HPD_1:
435 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
436 S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
437 break;
438 case RADEON_HPD_2:
439 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
440 S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
441 break;
442 default:
443 break;
444 }
445 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
446 disable |= 1 << radeon_connector->hpd.hpd;
447 }
448 radeon_irq_kms_disable_hpd(rdev, disable);
449}
450
451int rs600_asic_reset(struct radeon_device *rdev, bool hard)
452{
453 struct rv515_mc_save save;
454 u32 status, tmp;
455 int ret = 0;
456
457 status = RREG32(R_000E40_RBBM_STATUS);
458 if (!G_000E40_GUI_ACTIVE(status)) {
459 return 0;
460 }
461 /* Stops all mc clients */
462 rv515_mc_stop(rdev, &save);
463 status = RREG32(R_000E40_RBBM_STATUS);
464 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
465 /* stop CP */
466 WREG32(RADEON_CP_CSQ_CNTL, 0);
467 tmp = RREG32(RADEON_CP_RB_CNTL);
468 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
469 WREG32(RADEON_CP_RB_RPTR_WR, 0);
470 WREG32(RADEON_CP_RB_WPTR, 0);
471 WREG32(RADEON_CP_RB_CNTL, tmp);
472 pci_save_state(rdev->pdev);
473 /* disable bus mastering */
474 pci_clear_master(rdev->pdev);
475 mdelay(1);
476 /* reset GA+VAP */
477 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
478 S_0000F0_SOFT_RESET_GA(1));
479 RREG32(R_0000F0_RBBM_SOFT_RESET);
480 mdelay(500);
481 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
482 mdelay(1);
483 status = RREG32(R_000E40_RBBM_STATUS);
484 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
485 /* reset CP */
486 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
487 RREG32(R_0000F0_RBBM_SOFT_RESET);
488 mdelay(500);
489 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
490 mdelay(1);
491 status = RREG32(R_000E40_RBBM_STATUS);
492 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
493 /* reset MC */
494 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
495 RREG32(R_0000F0_RBBM_SOFT_RESET);
496 mdelay(500);
497 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
498 mdelay(1);
499 status = RREG32(R_000E40_RBBM_STATUS);
500 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
501 /* restore PCI & busmastering */
502 pci_restore_state(rdev->pdev);
503 /* Check if GPU is idle */
504 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
505 dev_err(rdev->dev, "failed to reset GPU\n");
506 ret = -1;
507 } else
508 dev_info(rdev->dev, "GPU reset succeed\n");
509 rv515_mc_resume(rdev, &save);
510 return ret;
511}
512
513/*
514 * GART.
515 */
516void rs600_gart_tlb_flush(struct radeon_device *rdev)
517{
518 uint32_t tmp;
519
520 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
521 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
522 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
523
524 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
525 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
526 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
527
528 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
529 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
530 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
531 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
532}
533
534static int rs600_gart_init(struct radeon_device *rdev)
535{
536 int r;
537
538 if (rdev->gart.robj) {
539 WARN(1, "RS600 GART already initialized\n");
540 return 0;
541 }
542 /* Initialize common gart structure */
543 r = radeon_gart_init(rdev);
544 if (r) {
545 return r;
546 }
547 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
548 return radeon_gart_table_vram_alloc(rdev);
549}
550
551static int rs600_gart_enable(struct radeon_device *rdev)
552{
553 u32 tmp;
554 int r, i;
555
556 if (rdev->gart.robj == NULL) {
557 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
558 return -EINVAL;
559 }
560 r = radeon_gart_table_vram_pin(rdev);
561 if (r)
562 return r;
563 /* Enable bus master */
564 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
565 WREG32(RADEON_BUS_CNTL, tmp);
566 /* FIXME: setup default page */
567 WREG32_MC(R_000100_MC_PT0_CNTL,
568 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
569 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
570
571 for (i = 0; i < 19; i++) {
572 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
573 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
574 S_00016C_SYSTEM_ACCESS_MODE_MASK(
575 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
576 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
577 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
578 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
579 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
580 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
581 }
582 /* enable first context */
583 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
584 S_000102_ENABLE_PAGE_TABLE(1) |
585 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
586
587 /* disable all other contexts */
588 for (i = 1; i < 8; i++)
589 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
590
591 /* setup the page table */
592 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
593 rdev->gart.table_addr);
594 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
595 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
596 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
597
598 /* System context maps to VRAM space */
599 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
600 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
601
602 /* enable page tables */
603 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
604 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
605 tmp = RREG32_MC(R_000009_MC_CNTL1);
606 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
607 rs600_gart_tlb_flush(rdev);
608 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
609 (unsigned)(rdev->mc.gtt_size >> 20),
610 (unsigned long long)rdev->gart.table_addr);
611 rdev->gart.ready = true;
612 return 0;
613}
614
615static void rs600_gart_disable(struct radeon_device *rdev)
616{
617 u32 tmp;
618
619 /* FIXME: disable out of gart access */
620 WREG32_MC(R_000100_MC_PT0_CNTL, 0);
621 tmp = RREG32_MC(R_000009_MC_CNTL1);
622 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
623 radeon_gart_table_vram_unpin(rdev);
624}
625
626static void rs600_gart_fini(struct radeon_device *rdev)
627{
628 radeon_gart_fini(rdev);
629 rs600_gart_disable(rdev);
630 radeon_gart_table_vram_free(rdev);
631}
632
633uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
634{
635 addr = addr & 0xFFFFFFFFFFFFF000ULL;
636 addr |= R600_PTE_SYSTEM;
637 if (flags & RADEON_GART_PAGE_VALID)
638 addr |= R600_PTE_VALID;
639 if (flags & RADEON_GART_PAGE_READ)
640 addr |= R600_PTE_READABLE;
641 if (flags & RADEON_GART_PAGE_WRITE)
642 addr |= R600_PTE_WRITEABLE;
643 if (flags & RADEON_GART_PAGE_SNOOP)
644 addr |= R600_PTE_SNOOPED;
645 return addr;
646}
647
648void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
649 uint64_t entry)
650{
651 void __iomem *ptr = (void *)rdev->gart.ptr;
652 writeq(entry, ptr + (i * 8));
653}
654
655int rs600_irq_set(struct radeon_device *rdev)
656{
657 uint32_t tmp = 0;
658 uint32_t mode_int = 0;
659 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
660 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
661 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
662 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
663 u32 hdmi0;
664 if (ASIC_IS_DCE2(rdev))
665 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
666 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
667 else
668 hdmi0 = 0;
669
670 if (!rdev->irq.installed) {
671 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
672 WREG32(R_000040_GEN_INT_CNTL, 0);
673 return -EINVAL;
674 }
675 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
676 tmp |= S_000040_SW_INT_EN(1);
677 }
678 if (rdev->irq.crtc_vblank_int[0] ||
679 atomic_read(&rdev->irq.pflip[0])) {
680 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
681 }
682 if (rdev->irq.crtc_vblank_int[1] ||
683 atomic_read(&rdev->irq.pflip[1])) {
684 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
685 }
686 if (rdev->irq.hpd[0]) {
687 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
688 }
689 if (rdev->irq.hpd[1]) {
690 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
691 }
692 if (rdev->irq.afmt[0]) {
693 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
694 }
695 WREG32(R_000040_GEN_INT_CNTL, tmp);
696 WREG32(R_006540_DxMODE_INT_MASK, mode_int);
697 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
698 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
699 if (ASIC_IS_DCE2(rdev))
700 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
701
702 /* posting read */
703 RREG32(R_000040_GEN_INT_CNTL);
704
705 return 0;
706}
707
708static inline u32 rs600_irq_ack(struct radeon_device *rdev)
709{
710 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
711 uint32_t irq_mask = S_000044_SW_INT(1);
712 u32 tmp;
713
714 if (G_000044_DISPLAY_INT_STAT(irqs)) {
715 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
716 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
717 WREG32(R_006534_D1MODE_VBLANK_STATUS,
718 S_006534_D1MODE_VBLANK_ACK(1));
719 }
720 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
721 WREG32(R_006D34_D2MODE_VBLANK_STATUS,
722 S_006D34_D2MODE_VBLANK_ACK(1));
723 }
724 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
725 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
726 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
727 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
728 }
729 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
730 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
731 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
732 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
733 }
734 } else {
735 rdev->irq.stat_regs.r500.disp_int = 0;
736 }
737
738 if (ASIC_IS_DCE2(rdev)) {
739 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
740 S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
741 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
742 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
743 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
744 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
745 }
746 } else
747 rdev->irq.stat_regs.r500.hdmi0_status = 0;
748
749 if (irqs) {
750 WREG32(R_000044_GEN_INT_STATUS, irqs);
751 }
752 return irqs & irq_mask;
753}
754
755void rs600_irq_disable(struct radeon_device *rdev)
756{
757 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
758 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
759 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
760 WREG32(R_000040_GEN_INT_CNTL, 0);
761 WREG32(R_006540_DxMODE_INT_MASK, 0);
762 /* Wait and acknowledge irq */
763 mdelay(1);
764 rs600_irq_ack(rdev);
765}
766
767int rs600_irq_process(struct radeon_device *rdev)
768{
769 u32 status, msi_rearm;
770 bool queue_hotplug = false;
771 bool queue_hdmi = false;
772
773 status = rs600_irq_ack(rdev);
774 if (!status &&
775 !rdev->irq.stat_regs.r500.disp_int &&
776 !rdev->irq.stat_regs.r500.hdmi0_status) {
777 return IRQ_NONE;
778 }
779 while (status ||
780 rdev->irq.stat_regs.r500.disp_int ||
781 rdev->irq.stat_regs.r500.hdmi0_status) {
782 /* SW interrupt */
783 if (G_000044_SW_INT(status)) {
784 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
785 }
786 /* Vertical blank interrupts */
787 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
788 if (rdev->irq.crtc_vblank_int[0]) {
789 drm_handle_vblank(rdev->ddev, 0);
790 rdev->pm.vblank_sync = true;
791 wake_up(&rdev->irq.vblank_queue);
792 }
793 if (atomic_read(&rdev->irq.pflip[0]))
794 radeon_crtc_handle_vblank(rdev, 0);
795 }
796 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
797 if (rdev->irq.crtc_vblank_int[1]) {
798 drm_handle_vblank(rdev->ddev, 1);
799 rdev->pm.vblank_sync = true;
800 wake_up(&rdev->irq.vblank_queue);
801 }
802 if (atomic_read(&rdev->irq.pflip[1]))
803 radeon_crtc_handle_vblank(rdev, 1);
804 }
805 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
806 queue_hotplug = true;
807 DRM_DEBUG("HPD1\n");
808 }
809 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
810 queue_hotplug = true;
811 DRM_DEBUG("HPD2\n");
812 }
813 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
814 queue_hdmi = true;
815 DRM_DEBUG("HDMI0\n");
816 }
817 status = rs600_irq_ack(rdev);
818 }
819 if (queue_hotplug)
820 schedule_delayed_work(&rdev->hotplug_work, 0);
821 if (queue_hdmi)
822 schedule_work(&rdev->audio_work);
823 if (rdev->msi_enabled) {
824 switch (rdev->family) {
825 case CHIP_RS600:
826 case CHIP_RS690:
827 case CHIP_RS740:
828 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
829 WREG32(RADEON_BUS_CNTL, msi_rearm);
830 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
831 break;
832 default:
833 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
834 break;
835 }
836 }
837 return IRQ_HANDLED;
838}
839
840u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
841{
842 if (crtc == 0)
843 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
844 else
845 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
846}
847
848int rs600_mc_wait_for_idle(struct radeon_device *rdev)
849{
850 unsigned i;
851
852 for (i = 0; i < rdev->usec_timeout; i++) {
853 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
854 return 0;
855 udelay(1);
856 }
857 return -1;
858}
859
860static void rs600_gpu_init(struct radeon_device *rdev)
861{
862 r420_pipes_init(rdev);
863 /* Wait for mc idle */
864 if (rs600_mc_wait_for_idle(rdev))
865 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
866}
867
868static void rs600_mc_init(struct radeon_device *rdev)
869{
870 u64 base;
871
872 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
873 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
874 rdev->mc.vram_is_ddr = true;
875 rdev->mc.vram_width = 128;
876 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
877 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
878 rdev->mc.visible_vram_size = rdev->mc.aper_size;
879 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
880 base = RREG32_MC(R_000004_MC_FB_LOCATION);
881 base = G_000004_MC_FB_START(base) << 16;
882 radeon_vram_location(rdev, &rdev->mc, base);
883 rdev->mc.gtt_base_align = 0;
884 radeon_gtt_location(rdev, &rdev->mc);
885 radeon_update_bandwidth_info(rdev);
886}
887
888void rs600_bandwidth_update(struct radeon_device *rdev)
889{
890 struct drm_display_mode *mode0 = NULL;
891 struct drm_display_mode *mode1 = NULL;
892 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
893 /* FIXME: implement full support */
894
895 if (!rdev->mode_info.mode_config_initialized)
896 return;
897
898 radeon_update_display_priority(rdev);
899
900 if (rdev->mode_info.crtcs[0]->base.enabled)
901 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
902 if (rdev->mode_info.crtcs[1]->base.enabled)
903 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
904
905 rs690_line_buffer_adjust(rdev, mode0, mode1);
906
907 if (rdev->disp_priority == 2) {
908 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
909 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
910 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
911 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
912 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
913 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
914 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
915 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
916 }
917}
918
919uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
920{
921 unsigned long flags;
922 u32 r;
923
924 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
925 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
926 S_000070_MC_IND_CITF_ARB0(1));
927 r = RREG32(R_000074_MC_IND_DATA);
928 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
929 return r;
930}
931
932void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
933{
934 unsigned long flags;
935
936 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
937 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
938 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
939 WREG32(R_000074_MC_IND_DATA, v);
940 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
941}
942
943static void rs600_debugfs(struct radeon_device *rdev)
944{
945 if (r100_debugfs_rbbm_init(rdev))
946 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
947}
948
949void rs600_set_safe_registers(struct radeon_device *rdev)
950{
951 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
952 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
953}
954
955static void rs600_mc_program(struct radeon_device *rdev)
956{
957 struct rv515_mc_save save;
958
959 /* Stops all mc clients */
960 rv515_mc_stop(rdev, &save);
961
962 /* Wait for mc idle */
963 if (rs600_mc_wait_for_idle(rdev))
964 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
965
966 /* FIXME: What does AGP means for such chipset ? */
967 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
968 WREG32_MC(R_000006_AGP_BASE, 0);
969 WREG32_MC(R_000007_AGP_BASE_2, 0);
970 /* Program MC */
971 WREG32_MC(R_000004_MC_FB_LOCATION,
972 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
973 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
974 WREG32(R_000134_HDP_FB_LOCATION,
975 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
976
977 rv515_mc_resume(rdev, &save);
978}
979
980static int rs600_startup(struct radeon_device *rdev)
981{
982 int r;
983
984 rs600_mc_program(rdev);
985 /* Resume clock */
986 rv515_clock_startup(rdev);
987 /* Initialize GPU configuration (# pipes, ...) */
988 rs600_gpu_init(rdev);
989 /* Initialize GART (initialize after TTM so we can allocate
990 * memory through TTM but finalize after TTM) */
991 r = rs600_gart_enable(rdev);
992 if (r)
993 return r;
994
995 /* allocate wb buffer */
996 r = radeon_wb_init(rdev);
997 if (r)
998 return r;
999
1000 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1001 if (r) {
1002 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1003 return r;
1004 }
1005
1006 /* Enable IRQ */
1007 if (!rdev->irq.installed) {
1008 r = radeon_irq_kms_init(rdev);
1009 if (r)
1010 return r;
1011 }
1012
1013 rs600_irq_set(rdev);
1014 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1015 /* 1M ring buffer */
1016 r = r100_cp_init(rdev, 1024 * 1024);
1017 if (r) {
1018 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1019 return r;
1020 }
1021
1022 r = radeon_ib_pool_init(rdev);
1023 if (r) {
1024 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1025 return r;
1026 }
1027
1028 r = radeon_audio_init(rdev);
1029 if (r) {
1030 dev_err(rdev->dev, "failed initializing audio\n");
1031 return r;
1032 }
1033
1034 return 0;
1035}
1036
1037int rs600_resume(struct radeon_device *rdev)
1038{
1039 int r;
1040
1041 /* Make sur GART are not working */
1042 rs600_gart_disable(rdev);
1043 /* Resume clock before doing reset */
1044 rv515_clock_startup(rdev);
1045 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1046 if (radeon_asic_reset(rdev)) {
1047 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1048 RREG32(R_000E40_RBBM_STATUS),
1049 RREG32(R_0007C0_CP_STAT));
1050 }
1051 /* post */
1052 atom_asic_init(rdev->mode_info.atom_context);
1053 /* Resume clock after posting */
1054 rv515_clock_startup(rdev);
1055 /* Initialize surface registers */
1056 radeon_surface_init(rdev);
1057
1058 rdev->accel_working = true;
1059 r = rs600_startup(rdev);
1060 if (r) {
1061 rdev->accel_working = false;
1062 }
1063 return r;
1064}
1065
1066int rs600_suspend(struct radeon_device *rdev)
1067{
1068 radeon_pm_suspend(rdev);
1069 radeon_audio_fini(rdev);
1070 r100_cp_disable(rdev);
1071 radeon_wb_disable(rdev);
1072 rs600_irq_disable(rdev);
1073 rs600_gart_disable(rdev);
1074 return 0;
1075}
1076
1077void rs600_fini(struct radeon_device *rdev)
1078{
1079 radeon_pm_fini(rdev);
1080 radeon_audio_fini(rdev);
1081 r100_cp_fini(rdev);
1082 radeon_wb_fini(rdev);
1083 radeon_ib_pool_fini(rdev);
1084 radeon_gem_fini(rdev);
1085 rs600_gart_fini(rdev);
1086 radeon_irq_kms_fini(rdev);
1087 radeon_fence_driver_fini(rdev);
1088 radeon_bo_fini(rdev);
1089 radeon_atombios_fini(rdev);
1090 kfree(rdev->bios);
1091 rdev->bios = NULL;
1092}
1093
1094int rs600_init(struct radeon_device *rdev)
1095{
1096 int r;
1097
1098 /* Disable VGA */
1099 rv515_vga_render_disable(rdev);
1100 /* Initialize scratch registers */
1101 radeon_scratch_init(rdev);
1102 /* Initialize surface registers */
1103 radeon_surface_init(rdev);
1104 /* restore some register to sane defaults */
1105 r100_restore_sanity(rdev);
1106 /* BIOS */
1107 if (!radeon_get_bios(rdev)) {
1108 if (ASIC_IS_AVIVO(rdev))
1109 return -EINVAL;
1110 }
1111 if (rdev->is_atom_bios) {
1112 r = radeon_atombios_init(rdev);
1113 if (r)
1114 return r;
1115 } else {
1116 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1117 return -EINVAL;
1118 }
1119 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1120 if (radeon_asic_reset(rdev)) {
1121 dev_warn(rdev->dev,
1122 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1123 RREG32(R_000E40_RBBM_STATUS),
1124 RREG32(R_0007C0_CP_STAT));
1125 }
1126 /* check if cards are posted or not */
1127 if (radeon_boot_test_post_card(rdev) == false)
1128 return -EINVAL;
1129
1130 /* Initialize clocks */
1131 radeon_get_clock_info(rdev->ddev);
1132 /* initialize memory controller */
1133 rs600_mc_init(rdev);
1134 rs600_debugfs(rdev);
1135 /* Fence driver */
1136 r = radeon_fence_driver_init(rdev);
1137 if (r)
1138 return r;
1139 /* Memory manager */
1140 r = radeon_bo_init(rdev);
1141 if (r)
1142 return r;
1143 r = rs600_gart_init(rdev);
1144 if (r)
1145 return r;
1146 rs600_set_safe_registers(rdev);
1147
1148 /* Initialize power management */
1149 radeon_pm_init(rdev);
1150
1151 rdev->accel_working = true;
1152 r = rs600_startup(rdev);
1153 if (r) {
1154 /* Somethings want wront with the accel init stop accel */
1155 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1156 r100_cp_fini(rdev);
1157 radeon_wb_fini(rdev);
1158 radeon_ib_pool_fini(rdev);
1159 rs600_gart_fini(rdev);
1160 radeon_irq_kms_fini(rdev);
1161 rdev->accel_working = false;
1162 }
1163 return 0;
1164}