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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 "atom.h"
42#include "rs600d.h"
43
44#include "rs600_reg_safe.h"
45
46static void rs600_gpu_init(struct radeon_device *rdev);
47int rs600_mc_wait_for_idle(struct radeon_device *rdev);
48
49static const u32 crtc_offsets[2] =
50{
51 0,
52 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
53};
54
55static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
56{
57 if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
58 return true;
59 else
60 return false;
61}
62
63static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
64{
65 u32 pos1, pos2;
66
67 pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
68 pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
69
70 if (pos1 != pos2)
71 return true;
72 else
73 return false;
74}
75
76/**
77 * avivo_wait_for_vblank - vblank wait asic callback.
78 *
79 * @rdev: radeon_device pointer
80 * @crtc: crtc to wait for vblank on
81 *
82 * Wait for vblank on the requested crtc (r5xx-r7xx).
83 */
84void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
85{
86 unsigned i = 0;
87
88 if (crtc >= rdev->num_crtc)
89 return;
90
91 if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
92 return;
93
94 /* depending on when we hit vblank, we may be close to active; if so,
95 * wait for another frame.
96 */
97 while (avivo_is_in_vblank(rdev, crtc)) {
98 if (i++ % 100 == 0) {
99 if (!avivo_is_counter_moving(rdev, crtc))
100 break;
101 }
102 }
103
104 while (!avivo_is_in_vblank(rdev, crtc)) {
105 if (i++ % 100 == 0) {
106 if (!avivo_is_counter_moving(rdev, crtc))
107 break;
108 }
109 }
110}
111
112void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
113{
114 /* enable the pflip int */
115 radeon_irq_kms_pflip_irq_get(rdev, crtc);
116}
117
118void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
119{
120 /* disable the pflip int */
121 radeon_irq_kms_pflip_irq_put(rdev, crtc);
122}
123
124u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
125{
126 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
127 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
128 int i;
129
130 /* Lock the graphics update lock */
131 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
132 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
133
134 /* update the scanout addresses */
135 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
136 (u32)crtc_base);
137 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
138 (u32)crtc_base);
139
140 /* Wait for update_pending to go high. */
141 for (i = 0; i < rdev->usec_timeout; i++) {
142 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
143 break;
144 udelay(1);
145 }
146 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
147
148 /* Unlock the lock, so double-buffering can take place inside vblank */
149 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
150 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
151
152 /* Return current update_pending status: */
153 return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
154}
155
156void avivo_program_fmt(struct drm_encoder *encoder)
157{
158 struct drm_device *dev = encoder->dev;
159 struct radeon_device *rdev = dev->dev_private;
160 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
161 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
162 int bpc = 0;
163 u32 tmp = 0;
164 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
165
166 if (connector) {
167 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
168 bpc = radeon_get_monitor_bpc(connector);
169 dither = radeon_connector->dither;
170 }
171
172 /* LVDS FMT is set up by atom */
173 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
174 return;
175
176 if (bpc == 0)
177 return;
178
179 switch (bpc) {
180 case 6:
181 if (dither == RADEON_FMT_DITHER_ENABLE)
182 /* XXX sort out optimal dither settings */
183 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
184 else
185 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
186 break;
187 case 8:
188 if (dither == RADEON_FMT_DITHER_ENABLE)
189 /* XXX sort out optimal dither settings */
190 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
191 AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
192 else
193 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
194 AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
195 break;
196 case 10:
197 default:
198 /* not needed */
199 break;
200 }
201
202 switch (radeon_encoder->encoder_id) {
203 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
204 WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
205 break;
206 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
207 WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
208 break;
209 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
210 WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
211 break;
212 case ENCODER_OBJECT_ID_INTERNAL_DDI:
213 WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
214 break;
215 default:
216 break;
217 }
218}
219
220void rs600_pm_misc(struct radeon_device *rdev)
221{
222 int requested_index = rdev->pm.requested_power_state_index;
223 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
224 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
225 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
226 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
227
228 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
229 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
230 tmp = RREG32(voltage->gpio.reg);
231 if (voltage->active_high)
232 tmp |= voltage->gpio.mask;
233 else
234 tmp &= ~(voltage->gpio.mask);
235 WREG32(voltage->gpio.reg, tmp);
236 if (voltage->delay)
237 udelay(voltage->delay);
238 } else {
239 tmp = RREG32(voltage->gpio.reg);
240 if (voltage->active_high)
241 tmp &= ~voltage->gpio.mask;
242 else
243 tmp |= voltage->gpio.mask;
244 WREG32(voltage->gpio.reg, tmp);
245 if (voltage->delay)
246 udelay(voltage->delay);
247 }
248 } else if (voltage->type == VOLTAGE_VDDC)
249 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
250
251 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
252 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
253 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
254 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
255 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
256 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
257 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
258 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
259 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
260 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
261 }
262 } else {
263 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
264 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
265 }
266 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
267
268 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
269 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
270 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
271 if (voltage->delay) {
272 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
273 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
274 } else
275 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
276 } else
277 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
278 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
279
280 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
281 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
282 hdp_dyn_cntl &= ~HDP_FORCEON;
283 else
284 hdp_dyn_cntl |= HDP_FORCEON;
285 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
286#if 0
287 /* mc_host_dyn seems to cause hangs from time to time */
288 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
289 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
290 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
291 else
292 mc_host_dyn_cntl |= MC_HOST_FORCEON;
293 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
294#endif
295 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
296 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
297 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
298 else
299 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
300 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
301
302 /* set pcie lanes */
303 if ((rdev->flags & RADEON_IS_PCIE) &&
304 !(rdev->flags & RADEON_IS_IGP) &&
305 rdev->asic->pm.set_pcie_lanes &&
306 (ps->pcie_lanes !=
307 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
308 radeon_set_pcie_lanes(rdev,
309 ps->pcie_lanes);
310 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
311 }
312}
313
314void rs600_pm_prepare(struct radeon_device *rdev)
315{
316 struct drm_device *ddev = rdev->ddev;
317 struct drm_crtc *crtc;
318 struct radeon_crtc *radeon_crtc;
319 u32 tmp;
320
321 /* disable any active CRTCs */
322 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
323 radeon_crtc = to_radeon_crtc(crtc);
324 if (radeon_crtc->enabled) {
325 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
326 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
327 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
328 }
329 }
330}
331
332void rs600_pm_finish(struct radeon_device *rdev)
333{
334 struct drm_device *ddev = rdev->ddev;
335 struct drm_crtc *crtc;
336 struct radeon_crtc *radeon_crtc;
337 u32 tmp;
338
339 /* enable any active CRTCs */
340 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
341 radeon_crtc = to_radeon_crtc(crtc);
342 if (radeon_crtc->enabled) {
343 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
344 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
345 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
346 }
347 }
348}
349
350/* hpd for digital panel detect/disconnect */
351bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
352{
353 u32 tmp;
354 bool connected = false;
355
356 switch (hpd) {
357 case RADEON_HPD_1:
358 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
359 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
360 connected = true;
361 break;
362 case RADEON_HPD_2:
363 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
364 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
365 connected = true;
366 break;
367 default:
368 break;
369 }
370 return connected;
371}
372
373void rs600_hpd_set_polarity(struct radeon_device *rdev,
374 enum radeon_hpd_id hpd)
375{
376 u32 tmp;
377 bool connected = rs600_hpd_sense(rdev, hpd);
378
379 switch (hpd) {
380 case RADEON_HPD_1:
381 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
382 if (connected)
383 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
384 else
385 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
386 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
387 break;
388 case RADEON_HPD_2:
389 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
390 if (connected)
391 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
392 else
393 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
394 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
395 break;
396 default:
397 break;
398 }
399}
400
401void rs600_hpd_init(struct radeon_device *rdev)
402{
403 struct drm_device *dev = rdev->ddev;
404 struct drm_connector *connector;
405 unsigned enable = 0;
406
407 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
408 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
409 switch (radeon_connector->hpd.hpd) {
410 case RADEON_HPD_1:
411 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
412 S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
413 break;
414 case RADEON_HPD_2:
415 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
416 S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
417 break;
418 default:
419 break;
420 }
421 enable |= 1 << radeon_connector->hpd.hpd;
422 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
423 }
424 radeon_irq_kms_enable_hpd(rdev, enable);
425}
426
427void rs600_hpd_fini(struct radeon_device *rdev)
428{
429 struct drm_device *dev = rdev->ddev;
430 struct drm_connector *connector;
431 unsigned disable = 0;
432
433 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
434 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
435 switch (radeon_connector->hpd.hpd) {
436 case RADEON_HPD_1:
437 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
438 S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
439 break;
440 case RADEON_HPD_2:
441 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
442 S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
443 break;
444 default:
445 break;
446 }
447 disable |= 1 << radeon_connector->hpd.hpd;
448 }
449 radeon_irq_kms_disable_hpd(rdev, disable);
450}
451
452int rs600_asic_reset(struct radeon_device *rdev)
453{
454 struct rv515_mc_save save;
455 u32 status, tmp;
456 int ret = 0;
457
458 status = RREG32(R_000E40_RBBM_STATUS);
459 if (!G_000E40_GUI_ACTIVE(status)) {
460 return 0;
461 }
462 /* Stops all mc clients */
463 rv515_mc_stop(rdev, &save);
464 status = RREG32(R_000E40_RBBM_STATUS);
465 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
466 /* stop CP */
467 WREG32(RADEON_CP_CSQ_CNTL, 0);
468 tmp = RREG32(RADEON_CP_RB_CNTL);
469 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
470 WREG32(RADEON_CP_RB_RPTR_WR, 0);
471 WREG32(RADEON_CP_RB_WPTR, 0);
472 WREG32(RADEON_CP_RB_CNTL, tmp);
473 pci_save_state(rdev->pdev);
474 /* disable bus mastering */
475 pci_clear_master(rdev->pdev);
476 mdelay(1);
477 /* reset GA+VAP */
478 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
479 S_0000F0_SOFT_RESET_GA(1));
480 RREG32(R_0000F0_RBBM_SOFT_RESET);
481 mdelay(500);
482 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
483 mdelay(1);
484 status = RREG32(R_000E40_RBBM_STATUS);
485 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
486 /* reset CP */
487 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
488 RREG32(R_0000F0_RBBM_SOFT_RESET);
489 mdelay(500);
490 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
491 mdelay(1);
492 status = RREG32(R_000E40_RBBM_STATUS);
493 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
494 /* reset MC */
495 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
496 RREG32(R_0000F0_RBBM_SOFT_RESET);
497 mdelay(500);
498 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
499 mdelay(1);
500 status = RREG32(R_000E40_RBBM_STATUS);
501 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
502 /* restore PCI & busmastering */
503 pci_restore_state(rdev->pdev);
504 /* Check if GPU is idle */
505 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
506 dev_err(rdev->dev, "failed to reset GPU\n");
507 ret = -1;
508 } else
509 dev_info(rdev->dev, "GPU reset succeed\n");
510 rv515_mc_resume(rdev, &save);
511 return ret;
512}
513
514/*
515 * GART.
516 */
517void rs600_gart_tlb_flush(struct radeon_device *rdev)
518{
519 uint32_t tmp;
520
521 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
522 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
523 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
524
525 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
526 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
527 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
528
529 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
530 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
531 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
532 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
533}
534
535static int rs600_gart_init(struct radeon_device *rdev)
536{
537 int r;
538
539 if (rdev->gart.robj) {
540 WARN(1, "RS600 GART already initialized\n");
541 return 0;
542 }
543 /* Initialize common gart structure */
544 r = radeon_gart_init(rdev);
545 if (r) {
546 return r;
547 }
548 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
549 return radeon_gart_table_vram_alloc(rdev);
550}
551
552static int rs600_gart_enable(struct radeon_device *rdev)
553{
554 u32 tmp;
555 int r, i;
556
557 if (rdev->gart.robj == NULL) {
558 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
559 return -EINVAL;
560 }
561 r = radeon_gart_table_vram_pin(rdev);
562 if (r)
563 return r;
564 radeon_gart_restore(rdev);
565 /* Enable bus master */
566 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
567 WREG32(RADEON_BUS_CNTL, tmp);
568 /* FIXME: setup default page */
569 WREG32_MC(R_000100_MC_PT0_CNTL,
570 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
571 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
572
573 for (i = 0; i < 19; i++) {
574 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
575 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
576 S_00016C_SYSTEM_ACCESS_MODE_MASK(
577 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
578 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
579 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
580 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
581 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
582 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
583 }
584 /* enable first context */
585 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
586 S_000102_ENABLE_PAGE_TABLE(1) |
587 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
588
589 /* disable all other contexts */
590 for (i = 1; i < 8; i++)
591 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
592
593 /* setup the page table */
594 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
595 rdev->gart.table_addr);
596 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
597 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
598 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
599
600 /* System context maps to VRAM space */
601 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
602 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
603
604 /* enable page tables */
605 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
606 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
607 tmp = RREG32_MC(R_000009_MC_CNTL1);
608 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
609 rs600_gart_tlb_flush(rdev);
610 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
611 (unsigned)(rdev->mc.gtt_size >> 20),
612 (unsigned long long)rdev->gart.table_addr);
613 rdev->gart.ready = true;
614 return 0;
615}
616
617static void rs600_gart_disable(struct radeon_device *rdev)
618{
619 u32 tmp;
620
621 /* FIXME: disable out of gart access */
622 WREG32_MC(R_000100_MC_PT0_CNTL, 0);
623 tmp = RREG32_MC(R_000009_MC_CNTL1);
624 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
625 radeon_gart_table_vram_unpin(rdev);
626}
627
628static void rs600_gart_fini(struct radeon_device *rdev)
629{
630 radeon_gart_fini(rdev);
631 rs600_gart_disable(rdev);
632 radeon_gart_table_vram_free(rdev);
633}
634
635#define R600_PTE_VALID (1 << 0)
636#define R600_PTE_SYSTEM (1 << 1)
637#define R600_PTE_SNOOPED (1 << 2)
638#define R600_PTE_READABLE (1 << 5)
639#define R600_PTE_WRITEABLE (1 << 6)
640
641int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
642{
643 void __iomem *ptr = (void *)rdev->gart.ptr;
644
645 if (i < 0 || i > rdev->gart.num_gpu_pages) {
646 return -EINVAL;
647 }
648 addr = addr & 0xFFFFFFFFFFFFF000ULL;
649 addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
650 addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
651 writeq(addr, ptr + (i * 8));
652 return 0;
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 return 0;
702}
703
704static inline u32 rs600_irq_ack(struct radeon_device *rdev)
705{
706 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
707 uint32_t irq_mask = S_000044_SW_INT(1);
708 u32 tmp;
709
710 if (G_000044_DISPLAY_INT_STAT(irqs)) {
711 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
712 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
713 WREG32(R_006534_D1MODE_VBLANK_STATUS,
714 S_006534_D1MODE_VBLANK_ACK(1));
715 }
716 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
717 WREG32(R_006D34_D2MODE_VBLANK_STATUS,
718 S_006D34_D2MODE_VBLANK_ACK(1));
719 }
720 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
721 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
722 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
723 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
724 }
725 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
726 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
727 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
728 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
729 }
730 } else {
731 rdev->irq.stat_regs.r500.disp_int = 0;
732 }
733
734 if (ASIC_IS_DCE2(rdev)) {
735 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
736 S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
737 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
738 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
739 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
740 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
741 }
742 } else
743 rdev->irq.stat_regs.r500.hdmi0_status = 0;
744
745 if (irqs) {
746 WREG32(R_000044_GEN_INT_STATUS, irqs);
747 }
748 return irqs & irq_mask;
749}
750
751void rs600_irq_disable(struct radeon_device *rdev)
752{
753 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
754 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
755 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
756 WREG32(R_000040_GEN_INT_CNTL, 0);
757 WREG32(R_006540_DxMODE_INT_MASK, 0);
758 /* Wait and acknowledge irq */
759 mdelay(1);
760 rs600_irq_ack(rdev);
761}
762
763int rs600_irq_process(struct radeon_device *rdev)
764{
765 u32 status, msi_rearm;
766 bool queue_hotplug = false;
767 bool queue_hdmi = false;
768
769 status = rs600_irq_ack(rdev);
770 if (!status &&
771 !rdev->irq.stat_regs.r500.disp_int &&
772 !rdev->irq.stat_regs.r500.hdmi0_status) {
773 return IRQ_NONE;
774 }
775 while (status ||
776 rdev->irq.stat_regs.r500.disp_int ||
777 rdev->irq.stat_regs.r500.hdmi0_status) {
778 /* SW interrupt */
779 if (G_000044_SW_INT(status)) {
780 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
781 }
782 /* Vertical blank interrupts */
783 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
784 if (rdev->irq.crtc_vblank_int[0]) {
785 drm_handle_vblank(rdev->ddev, 0);
786 rdev->pm.vblank_sync = true;
787 wake_up(&rdev->irq.vblank_queue);
788 }
789 if (atomic_read(&rdev->irq.pflip[0]))
790 radeon_crtc_handle_flip(rdev, 0);
791 }
792 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
793 if (rdev->irq.crtc_vblank_int[1]) {
794 drm_handle_vblank(rdev->ddev, 1);
795 rdev->pm.vblank_sync = true;
796 wake_up(&rdev->irq.vblank_queue);
797 }
798 if (atomic_read(&rdev->irq.pflip[1]))
799 radeon_crtc_handle_flip(rdev, 1);
800 }
801 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
802 queue_hotplug = true;
803 DRM_DEBUG("HPD1\n");
804 }
805 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
806 queue_hotplug = true;
807 DRM_DEBUG("HPD2\n");
808 }
809 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
810 queue_hdmi = true;
811 DRM_DEBUG("HDMI0\n");
812 }
813 status = rs600_irq_ack(rdev);
814 }
815 if (queue_hotplug)
816 schedule_work(&rdev->hotplug_work);
817 if (queue_hdmi)
818 schedule_work(&rdev->audio_work);
819 if (rdev->msi_enabled) {
820 switch (rdev->family) {
821 case CHIP_RS600:
822 case CHIP_RS690:
823 case CHIP_RS740:
824 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
825 WREG32(RADEON_BUS_CNTL, msi_rearm);
826 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
827 break;
828 default:
829 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
830 break;
831 }
832 }
833 return IRQ_HANDLED;
834}
835
836u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
837{
838 if (crtc == 0)
839 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
840 else
841 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
842}
843
844int rs600_mc_wait_for_idle(struct radeon_device *rdev)
845{
846 unsigned i;
847
848 for (i = 0; i < rdev->usec_timeout; i++) {
849 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
850 return 0;
851 udelay(1);
852 }
853 return -1;
854}
855
856static void rs600_gpu_init(struct radeon_device *rdev)
857{
858 r420_pipes_init(rdev);
859 /* Wait for mc idle */
860 if (rs600_mc_wait_for_idle(rdev))
861 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
862}
863
864static void rs600_mc_init(struct radeon_device *rdev)
865{
866 u64 base;
867
868 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
869 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
870 rdev->mc.vram_is_ddr = true;
871 rdev->mc.vram_width = 128;
872 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
873 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
874 rdev->mc.visible_vram_size = rdev->mc.aper_size;
875 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
876 base = RREG32_MC(R_000004_MC_FB_LOCATION);
877 base = G_000004_MC_FB_START(base) << 16;
878 radeon_vram_location(rdev, &rdev->mc, base);
879 rdev->mc.gtt_base_align = 0;
880 radeon_gtt_location(rdev, &rdev->mc);
881 radeon_update_bandwidth_info(rdev);
882}
883
884void rs600_bandwidth_update(struct radeon_device *rdev)
885{
886 struct drm_display_mode *mode0 = NULL;
887 struct drm_display_mode *mode1 = NULL;
888 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
889 /* FIXME: implement full support */
890
891 radeon_update_display_priority(rdev);
892
893 if (rdev->mode_info.crtcs[0]->base.enabled)
894 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
895 if (rdev->mode_info.crtcs[1]->base.enabled)
896 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
897
898 rs690_line_buffer_adjust(rdev, mode0, mode1);
899
900 if (rdev->disp_priority == 2) {
901 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
902 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
903 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
904 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
905 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
906 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
907 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
908 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
909 }
910}
911
912uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
913{
914 unsigned long flags;
915 u32 r;
916
917 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
918 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
919 S_000070_MC_IND_CITF_ARB0(1));
920 r = RREG32(R_000074_MC_IND_DATA);
921 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
922 return r;
923}
924
925void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
926{
927 unsigned long flags;
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) | S_000070_MC_IND_WR_EN(1));
932 WREG32(R_000074_MC_IND_DATA, v);
933 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
934}
935
936static void rs600_debugfs(struct radeon_device *rdev)
937{
938 if (r100_debugfs_rbbm_init(rdev))
939 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
940}
941
942void rs600_set_safe_registers(struct radeon_device *rdev)
943{
944 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
945 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
946}
947
948static void rs600_mc_program(struct radeon_device *rdev)
949{
950 struct rv515_mc_save save;
951
952 /* Stops all mc clients */
953 rv515_mc_stop(rdev, &save);
954
955 /* Wait for mc idle */
956 if (rs600_mc_wait_for_idle(rdev))
957 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
958
959 /* FIXME: What does AGP means for such chipset ? */
960 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
961 WREG32_MC(R_000006_AGP_BASE, 0);
962 WREG32_MC(R_000007_AGP_BASE_2, 0);
963 /* Program MC */
964 WREG32_MC(R_000004_MC_FB_LOCATION,
965 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
966 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
967 WREG32(R_000134_HDP_FB_LOCATION,
968 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
969
970 rv515_mc_resume(rdev, &save);
971}
972
973static int rs600_startup(struct radeon_device *rdev)
974{
975 int r;
976
977 rs600_mc_program(rdev);
978 /* Resume clock */
979 rv515_clock_startup(rdev);
980 /* Initialize GPU configuration (# pipes, ...) */
981 rs600_gpu_init(rdev);
982 /* Initialize GART (initialize after TTM so we can allocate
983 * memory through TTM but finalize after TTM) */
984 r = rs600_gart_enable(rdev);
985 if (r)
986 return r;
987
988 /* allocate wb buffer */
989 r = radeon_wb_init(rdev);
990 if (r)
991 return r;
992
993 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
994 if (r) {
995 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
996 return r;
997 }
998
999 /* Enable IRQ */
1000 if (!rdev->irq.installed) {
1001 r = radeon_irq_kms_init(rdev);
1002 if (r)
1003 return r;
1004 }
1005
1006 rs600_irq_set(rdev);
1007 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1008 /* 1M ring buffer */
1009 r = r100_cp_init(rdev, 1024 * 1024);
1010 if (r) {
1011 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1012 return r;
1013 }
1014
1015 r = radeon_ib_pool_init(rdev);
1016 if (r) {
1017 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1018 return r;
1019 }
1020
1021 r = r600_audio_init(rdev);
1022 if (r) {
1023 dev_err(rdev->dev, "failed initializing audio\n");
1024 return r;
1025 }
1026
1027 return 0;
1028}
1029
1030int rs600_resume(struct radeon_device *rdev)
1031{
1032 int r;
1033
1034 /* Make sur GART are not working */
1035 rs600_gart_disable(rdev);
1036 /* Resume clock before doing reset */
1037 rv515_clock_startup(rdev);
1038 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1039 if (radeon_asic_reset(rdev)) {
1040 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1041 RREG32(R_000E40_RBBM_STATUS),
1042 RREG32(R_0007C0_CP_STAT));
1043 }
1044 /* post */
1045 atom_asic_init(rdev->mode_info.atom_context);
1046 /* Resume clock after posting */
1047 rv515_clock_startup(rdev);
1048 /* Initialize surface registers */
1049 radeon_surface_init(rdev);
1050
1051 rdev->accel_working = true;
1052 r = rs600_startup(rdev);
1053 if (r) {
1054 rdev->accel_working = false;
1055 }
1056 return r;
1057}
1058
1059int rs600_suspend(struct radeon_device *rdev)
1060{
1061 radeon_pm_suspend(rdev);
1062 r600_audio_fini(rdev);
1063 r100_cp_disable(rdev);
1064 radeon_wb_disable(rdev);
1065 rs600_irq_disable(rdev);
1066 rs600_gart_disable(rdev);
1067 return 0;
1068}
1069
1070void rs600_fini(struct radeon_device *rdev)
1071{
1072 radeon_pm_fini(rdev);
1073 r600_audio_fini(rdev);
1074 r100_cp_fini(rdev);
1075 radeon_wb_fini(rdev);
1076 radeon_ib_pool_fini(rdev);
1077 radeon_gem_fini(rdev);
1078 rs600_gart_fini(rdev);
1079 radeon_irq_kms_fini(rdev);
1080 radeon_fence_driver_fini(rdev);
1081 radeon_bo_fini(rdev);
1082 radeon_atombios_fini(rdev);
1083 kfree(rdev->bios);
1084 rdev->bios = NULL;
1085}
1086
1087int rs600_init(struct radeon_device *rdev)
1088{
1089 int r;
1090
1091 /* Disable VGA */
1092 rv515_vga_render_disable(rdev);
1093 /* Initialize scratch registers */
1094 radeon_scratch_init(rdev);
1095 /* Initialize surface registers */
1096 radeon_surface_init(rdev);
1097 /* restore some register to sane defaults */
1098 r100_restore_sanity(rdev);
1099 /* BIOS */
1100 if (!radeon_get_bios(rdev)) {
1101 if (ASIC_IS_AVIVO(rdev))
1102 return -EINVAL;
1103 }
1104 if (rdev->is_atom_bios) {
1105 r = radeon_atombios_init(rdev);
1106 if (r)
1107 return r;
1108 } else {
1109 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1110 return -EINVAL;
1111 }
1112 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1113 if (radeon_asic_reset(rdev)) {
1114 dev_warn(rdev->dev,
1115 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1116 RREG32(R_000E40_RBBM_STATUS),
1117 RREG32(R_0007C0_CP_STAT));
1118 }
1119 /* check if cards are posted or not */
1120 if (radeon_boot_test_post_card(rdev) == false)
1121 return -EINVAL;
1122
1123 /* Initialize clocks */
1124 radeon_get_clock_info(rdev->ddev);
1125 /* initialize memory controller */
1126 rs600_mc_init(rdev);
1127 rs600_debugfs(rdev);
1128 /* Fence driver */
1129 r = radeon_fence_driver_init(rdev);
1130 if (r)
1131 return r;
1132 /* Memory manager */
1133 r = radeon_bo_init(rdev);
1134 if (r)
1135 return r;
1136 r = rs600_gart_init(rdev);
1137 if (r)
1138 return r;
1139 rs600_set_safe_registers(rdev);
1140
1141 /* Initialize power management */
1142 radeon_pm_init(rdev);
1143
1144 rdev->accel_working = true;
1145 r = rs600_startup(rdev);
1146 if (r) {
1147 /* Somethings want wront with the accel init stop accel */
1148 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1149 r100_cp_fini(rdev);
1150 radeon_wb_fini(rdev);
1151 radeon_ib_pool_fini(rdev);
1152 rs600_gart_fini(rdev);
1153 radeon_irq_kms_fini(rdev);
1154 rdev->accel_working = false;
1155 }
1156 return 0;
1157}