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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#include <linux/pci.h>
41
42#include <drm/drm_device.h>
43#include <drm/drm_vblank.h>
44#include <drm/drm_fourcc.h>
45#include <drm/drm_framebuffer.h>
46
47#include "atom.h"
48#include "radeon.h"
49#include "radeon_asic.h"
50#include "radeon_audio.h"
51#include "rs600_reg_safe.h"
52#include "rs600d.h"
53
54static void rs600_gpu_init(struct radeon_device *rdev);
55int rs600_mc_wait_for_idle(struct radeon_device *rdev);
56
57static const u32 crtc_offsets[2] =
58{
59 0,
60 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
61};
62
63static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
64{
65 if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
66 return true;
67 else
68 return false;
69}
70
71static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
72{
73 u32 pos1, pos2;
74
75 pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
76 pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
77
78 if (pos1 != pos2)
79 return true;
80 else
81 return false;
82}
83
84/**
85 * avivo_wait_for_vblank - vblank wait asic callback.
86 *
87 * @rdev: radeon_device pointer
88 * @crtc: crtc to wait for vblank on
89 *
90 * Wait for vblank on the requested crtc (r5xx-r7xx).
91 */
92void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
93{
94 unsigned i = 0;
95
96 if (crtc >= rdev->num_crtc)
97 return;
98
99 if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
100 return;
101
102 /* depending on when we hit vblank, we may be close to active; if so,
103 * wait for another frame.
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 while (!avivo_is_in_vblank(rdev, crtc)) {
113 if (i++ % 100 == 0) {
114 if (!avivo_is_counter_moving(rdev, crtc))
115 break;
116 }
117 }
118}
119
120void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
121{
122 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
123 struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
124 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
125 int i;
126
127 /* Lock the graphics update lock */
128 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
129 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
130
131 /* flip at hsync for async, default is vsync */
132 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
133 async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
134 /* update pitch */
135 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset,
136 fb->pitches[0] / fb->format->cpp[0]);
137 /* update the scanout addresses */
138 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
139 (u32)crtc_base);
140 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
141 (u32)crtc_base);
142
143 /* Wait for update_pending to go high. */
144 for (i = 0; i < rdev->usec_timeout; i++) {
145 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
146 break;
147 udelay(1);
148 }
149 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
150
151 /* Unlock the lock, so double-buffering can take place inside vblank */
152 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
153 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
154}
155
156bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id)
157{
158 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
159
160 /* Return current update_pending status: */
161 return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
162 AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
163}
164
165void avivo_program_fmt(struct drm_encoder *encoder)
166{
167 struct drm_device *dev = encoder->dev;
168 struct radeon_device *rdev = dev->dev_private;
169 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
170 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
171 int bpc = 0;
172 u32 tmp = 0;
173 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
174
175 if (connector) {
176 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
177 bpc = radeon_get_monitor_bpc(connector);
178 dither = radeon_connector->dither;
179 }
180
181 /* LVDS FMT is set up by atom */
182 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
183 return;
184
185 if (bpc == 0)
186 return;
187
188 switch (bpc) {
189 case 6:
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 else
194 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
195 break;
196 case 8:
197 if (dither == RADEON_FMT_DITHER_ENABLE)
198 /* XXX sort out optimal dither settings */
199 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
200 AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
201 else
202 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
203 AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
204 break;
205 case 10:
206 default:
207 /* not needed */
208 break;
209 }
210
211 switch (radeon_encoder->encoder_id) {
212 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
213 WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
214 break;
215 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
216 WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
217 break;
218 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
219 WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
220 break;
221 case ENCODER_OBJECT_ID_INTERNAL_DDI:
222 WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
223 break;
224 default:
225 break;
226 }
227}
228
229void rs600_pm_misc(struct radeon_device *rdev)
230{
231 int requested_index = rdev->pm.requested_power_state_index;
232 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
233 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
234 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
235 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
236
237 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
238 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
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 } else {
248 tmp = RREG32(voltage->gpio.reg);
249 if (voltage->active_high)
250 tmp &= ~voltage->gpio.mask;
251 else
252 tmp |= voltage->gpio.mask;
253 WREG32(voltage->gpio.reg, tmp);
254 if (voltage->delay)
255 udelay(voltage->delay);
256 }
257 } else if (voltage->type == VOLTAGE_VDDC)
258 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
259
260 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
261 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
262 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
263 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
264 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
265 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
266 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
267 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
268 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
269 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
270 }
271 } else {
272 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
273 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
274 }
275 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
276
277 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
278 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
279 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
280 if (voltage->delay) {
281 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
282 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
283 } else
284 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
285 } else
286 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
287 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
288
289 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
290 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
291 hdp_dyn_cntl &= ~HDP_FORCEON;
292 else
293 hdp_dyn_cntl |= HDP_FORCEON;
294 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
295#if 0
296 /* mc_host_dyn seems to cause hangs from time to time */
297 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
298 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
299 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
300 else
301 mc_host_dyn_cntl |= MC_HOST_FORCEON;
302 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
303#endif
304 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
305 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
306 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
307 else
308 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
309 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
310
311 /* set pcie lanes */
312 if ((rdev->flags & RADEON_IS_PCIE) &&
313 !(rdev->flags & RADEON_IS_IGP) &&
314 rdev->asic->pm.set_pcie_lanes &&
315 (ps->pcie_lanes !=
316 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
317 radeon_set_pcie_lanes(rdev,
318 ps->pcie_lanes);
319 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
320 }
321}
322
323void rs600_pm_prepare(struct radeon_device *rdev)
324{
325 struct drm_device *ddev = rdev->ddev;
326 struct drm_crtc *crtc;
327 struct radeon_crtc *radeon_crtc;
328 u32 tmp;
329
330 /* disable any active CRTCs */
331 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
332 radeon_crtc = to_radeon_crtc(crtc);
333 if (radeon_crtc->enabled) {
334 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
335 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
336 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
337 }
338 }
339}
340
341void rs600_pm_finish(struct radeon_device *rdev)
342{
343 struct drm_device *ddev = rdev->ddev;
344 struct drm_crtc *crtc;
345 struct radeon_crtc *radeon_crtc;
346 u32 tmp;
347
348 /* enable any active CRTCs */
349 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
350 radeon_crtc = to_radeon_crtc(crtc);
351 if (radeon_crtc->enabled) {
352 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
353 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
354 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
355 }
356 }
357}
358
359/* hpd for digital panel detect/disconnect */
360bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
361{
362 u32 tmp;
363 bool connected = false;
364
365 switch (hpd) {
366 case RADEON_HPD_1:
367 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
368 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
369 connected = true;
370 break;
371 case RADEON_HPD_2:
372 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
373 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
374 connected = true;
375 break;
376 default:
377 break;
378 }
379 return connected;
380}
381
382void rs600_hpd_set_polarity(struct radeon_device *rdev,
383 enum radeon_hpd_id hpd)
384{
385 u32 tmp;
386 bool connected = rs600_hpd_sense(rdev, hpd);
387
388 switch (hpd) {
389 case RADEON_HPD_1:
390 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
391 if (connected)
392 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
393 else
394 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
395 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
396 break;
397 case RADEON_HPD_2:
398 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
399 if (connected)
400 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
401 else
402 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
403 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
404 break;
405 default:
406 break;
407 }
408}
409
410void rs600_hpd_init(struct radeon_device *rdev)
411{
412 struct drm_device *dev = rdev->ddev;
413 struct drm_connector *connector;
414 unsigned enable = 0;
415
416 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
417 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
418 switch (radeon_connector->hpd.hpd) {
419 case RADEON_HPD_1:
420 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
421 S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
422 break;
423 case RADEON_HPD_2:
424 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
425 S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
426 break;
427 default:
428 break;
429 }
430 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
431 enable |= 1 << radeon_connector->hpd.hpd;
432 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
433 }
434 radeon_irq_kms_enable_hpd(rdev, enable);
435}
436
437void rs600_hpd_fini(struct radeon_device *rdev)
438{
439 struct drm_device *dev = rdev->ddev;
440 struct drm_connector *connector;
441 unsigned disable = 0;
442
443 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
444 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
445 switch (radeon_connector->hpd.hpd) {
446 case RADEON_HPD_1:
447 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
448 S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
449 break;
450 case RADEON_HPD_2:
451 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
452 S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
453 break;
454 default:
455 break;
456 }
457 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
458 disable |= 1 << radeon_connector->hpd.hpd;
459 }
460 radeon_irq_kms_disable_hpd(rdev, disable);
461}
462
463int rs600_asic_reset(struct radeon_device *rdev, bool hard)
464{
465 struct rv515_mc_save save;
466 u32 status, tmp;
467 int ret = 0;
468
469 status = RREG32(R_000E40_RBBM_STATUS);
470 if (!G_000E40_GUI_ACTIVE(status)) {
471 return 0;
472 }
473 /* Stops all mc clients */
474 rv515_mc_stop(rdev, &save);
475 status = RREG32(R_000E40_RBBM_STATUS);
476 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
477 /* stop CP */
478 WREG32(RADEON_CP_CSQ_CNTL, 0);
479 tmp = RREG32(RADEON_CP_RB_CNTL);
480 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
481 WREG32(RADEON_CP_RB_RPTR_WR, 0);
482 WREG32(RADEON_CP_RB_WPTR, 0);
483 WREG32(RADEON_CP_RB_CNTL, tmp);
484 pci_save_state(rdev->pdev);
485 /* disable bus mastering */
486 pci_clear_master(rdev->pdev);
487 mdelay(1);
488 /* reset GA+VAP */
489 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
490 S_0000F0_SOFT_RESET_GA(1));
491 RREG32(R_0000F0_RBBM_SOFT_RESET);
492 mdelay(500);
493 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
494 mdelay(1);
495 status = RREG32(R_000E40_RBBM_STATUS);
496 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
497 /* reset CP */
498 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
499 RREG32(R_0000F0_RBBM_SOFT_RESET);
500 mdelay(500);
501 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
502 mdelay(1);
503 status = RREG32(R_000E40_RBBM_STATUS);
504 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
505 /* reset MC */
506 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
507 RREG32(R_0000F0_RBBM_SOFT_RESET);
508 mdelay(500);
509 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
510 mdelay(1);
511 status = RREG32(R_000E40_RBBM_STATUS);
512 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
513 /* restore PCI & busmastering */
514 pci_restore_state(rdev->pdev);
515 /* Check if GPU is idle */
516 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
517 dev_err(rdev->dev, "failed to reset GPU\n");
518 ret = -1;
519 } else
520 dev_info(rdev->dev, "GPU reset succeed\n");
521 rv515_mc_resume(rdev, &save);
522 return ret;
523}
524
525/*
526 * GART.
527 */
528void rs600_gart_tlb_flush(struct radeon_device *rdev)
529{
530 uint32_t tmp;
531
532 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
533 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
534 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
535
536 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
537 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
538 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
539
540 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
541 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
542 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
543 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
544}
545
546static int rs600_gart_init(struct radeon_device *rdev)
547{
548 int r;
549
550 if (rdev->gart.robj) {
551 WARN(1, "RS600 GART already initialized\n");
552 return 0;
553 }
554 /* Initialize common gart structure */
555 r = radeon_gart_init(rdev);
556 if (r) {
557 return r;
558 }
559 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
560 return radeon_gart_table_vram_alloc(rdev);
561}
562
563static int rs600_gart_enable(struct radeon_device *rdev)
564{
565 u32 tmp;
566 int r, i;
567
568 if (rdev->gart.robj == NULL) {
569 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
570 return -EINVAL;
571 }
572 r = radeon_gart_table_vram_pin(rdev);
573 if (r)
574 return r;
575 /* Enable bus master */
576 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
577 WREG32(RADEON_BUS_CNTL, tmp);
578 /* FIXME: setup default page */
579 WREG32_MC(R_000100_MC_PT0_CNTL,
580 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
581 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
582
583 for (i = 0; i < 19; i++) {
584 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
585 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
586 S_00016C_SYSTEM_ACCESS_MODE_MASK(
587 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
588 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
589 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
590 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
591 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
592 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
593 }
594 /* enable first context */
595 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
596 S_000102_ENABLE_PAGE_TABLE(1) |
597 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
598
599 /* disable all other contexts */
600 for (i = 1; i < 8; i++)
601 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
602
603 /* setup the page table */
604 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
605 rdev->gart.table_addr);
606 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
607 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
608 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
609
610 /* System context maps to VRAM space */
611 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
612 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
613
614 /* enable page tables */
615 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
616 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
617 tmp = RREG32_MC(R_000009_MC_CNTL1);
618 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
619 rs600_gart_tlb_flush(rdev);
620 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
621 (unsigned)(rdev->mc.gtt_size >> 20),
622 (unsigned long long)rdev->gart.table_addr);
623 rdev->gart.ready = true;
624 return 0;
625}
626
627static void rs600_gart_disable(struct radeon_device *rdev)
628{
629 u32 tmp;
630
631 /* FIXME: disable out of gart access */
632 WREG32_MC(R_000100_MC_PT0_CNTL, 0);
633 tmp = RREG32_MC(R_000009_MC_CNTL1);
634 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
635 radeon_gart_table_vram_unpin(rdev);
636}
637
638static void rs600_gart_fini(struct radeon_device *rdev)
639{
640 radeon_gart_fini(rdev);
641 rs600_gart_disable(rdev);
642 radeon_gart_table_vram_free(rdev);
643}
644
645uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
646{
647 addr = addr & 0xFFFFFFFFFFFFF000ULL;
648 addr |= R600_PTE_SYSTEM;
649 if (flags & RADEON_GART_PAGE_VALID)
650 addr |= R600_PTE_VALID;
651 if (flags & RADEON_GART_PAGE_READ)
652 addr |= R600_PTE_READABLE;
653 if (flags & RADEON_GART_PAGE_WRITE)
654 addr |= R600_PTE_WRITEABLE;
655 if (flags & RADEON_GART_PAGE_SNOOP)
656 addr |= R600_PTE_SNOOPED;
657 return addr;
658}
659
660void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
661 uint64_t entry)
662{
663 void __iomem *ptr = (void *)rdev->gart.ptr;
664 writeq(entry, ptr + (i * 8));
665}
666
667int rs600_irq_set(struct radeon_device *rdev)
668{
669 uint32_t tmp = 0;
670 uint32_t mode_int = 0;
671 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
672 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
673 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
674 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
675 u32 hdmi0;
676 if (ASIC_IS_DCE2(rdev))
677 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
678 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
679 else
680 hdmi0 = 0;
681
682 if (!rdev->irq.installed) {
683 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
684 WREG32(R_000040_GEN_INT_CNTL, 0);
685 return -EINVAL;
686 }
687 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
688 tmp |= S_000040_SW_INT_EN(1);
689 }
690 if (rdev->irq.crtc_vblank_int[0] ||
691 atomic_read(&rdev->irq.pflip[0])) {
692 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
693 }
694 if (rdev->irq.crtc_vblank_int[1] ||
695 atomic_read(&rdev->irq.pflip[1])) {
696 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
697 }
698 if (rdev->irq.hpd[0]) {
699 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
700 }
701 if (rdev->irq.hpd[1]) {
702 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
703 }
704 if (rdev->irq.afmt[0]) {
705 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
706 }
707 WREG32(R_000040_GEN_INT_CNTL, tmp);
708 WREG32(R_006540_DxMODE_INT_MASK, mode_int);
709 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
710 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
711 if (ASIC_IS_DCE2(rdev))
712 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
713
714 /* posting read */
715 RREG32(R_000040_GEN_INT_CNTL);
716
717 return 0;
718}
719
720static inline u32 rs600_irq_ack(struct radeon_device *rdev)
721{
722 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
723 uint32_t irq_mask = S_000044_SW_INT(1);
724 u32 tmp;
725
726 if (G_000044_DISPLAY_INT_STAT(irqs)) {
727 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
728 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
729 WREG32(R_006534_D1MODE_VBLANK_STATUS,
730 S_006534_D1MODE_VBLANK_ACK(1));
731 }
732 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
733 WREG32(R_006D34_D2MODE_VBLANK_STATUS,
734 S_006D34_D2MODE_VBLANK_ACK(1));
735 }
736 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
737 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
738 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
739 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
740 }
741 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
742 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
743 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
744 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
745 }
746 } else {
747 rdev->irq.stat_regs.r500.disp_int = 0;
748 }
749
750 if (ASIC_IS_DCE2(rdev)) {
751 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
752 S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
753 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
754 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
755 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
756 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
757 }
758 } else
759 rdev->irq.stat_regs.r500.hdmi0_status = 0;
760
761 if (irqs) {
762 WREG32(R_000044_GEN_INT_STATUS, irqs);
763 }
764 return irqs & irq_mask;
765}
766
767void rs600_irq_disable(struct radeon_device *rdev)
768{
769 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
770 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
771 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
772 WREG32(R_000040_GEN_INT_CNTL, 0);
773 WREG32(R_006540_DxMODE_INT_MASK, 0);
774 /* Wait and acknowledge irq */
775 mdelay(1);
776 rs600_irq_ack(rdev);
777}
778
779int rs600_irq_process(struct radeon_device *rdev)
780{
781 u32 status, msi_rearm;
782 bool queue_hotplug = false;
783 bool queue_hdmi = false;
784
785 status = rs600_irq_ack(rdev);
786 if (!status &&
787 !rdev->irq.stat_regs.r500.disp_int &&
788 !rdev->irq.stat_regs.r500.hdmi0_status) {
789 return IRQ_NONE;
790 }
791 while (status ||
792 rdev->irq.stat_regs.r500.disp_int ||
793 rdev->irq.stat_regs.r500.hdmi0_status) {
794 /* SW interrupt */
795 if (G_000044_SW_INT(status)) {
796 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
797 }
798 /* Vertical blank interrupts */
799 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
800 if (rdev->irq.crtc_vblank_int[0]) {
801 drm_handle_vblank(rdev->ddev, 0);
802 rdev->pm.vblank_sync = true;
803 wake_up(&rdev->irq.vblank_queue);
804 }
805 if (atomic_read(&rdev->irq.pflip[0]))
806 radeon_crtc_handle_vblank(rdev, 0);
807 }
808 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
809 if (rdev->irq.crtc_vblank_int[1]) {
810 drm_handle_vblank(rdev->ddev, 1);
811 rdev->pm.vblank_sync = true;
812 wake_up(&rdev->irq.vblank_queue);
813 }
814 if (atomic_read(&rdev->irq.pflip[1]))
815 radeon_crtc_handle_vblank(rdev, 1);
816 }
817 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
818 queue_hotplug = true;
819 DRM_DEBUG("HPD1\n");
820 }
821 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
822 queue_hotplug = true;
823 DRM_DEBUG("HPD2\n");
824 }
825 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
826 queue_hdmi = true;
827 DRM_DEBUG("HDMI0\n");
828 }
829 status = rs600_irq_ack(rdev);
830 }
831 if (queue_hotplug)
832 schedule_delayed_work(&rdev->hotplug_work, 0);
833 if (queue_hdmi)
834 schedule_work(&rdev->audio_work);
835 if (rdev->msi_enabled) {
836 switch (rdev->family) {
837 case CHIP_RS600:
838 case CHIP_RS690:
839 case CHIP_RS740:
840 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
841 WREG32(RADEON_BUS_CNTL, msi_rearm);
842 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
843 break;
844 default:
845 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
846 break;
847 }
848 }
849 return IRQ_HANDLED;
850}
851
852u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
853{
854 if (crtc == 0)
855 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
856 else
857 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
858}
859
860int rs600_mc_wait_for_idle(struct radeon_device *rdev)
861{
862 unsigned i;
863
864 for (i = 0; i < rdev->usec_timeout; i++) {
865 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
866 return 0;
867 udelay(1);
868 }
869 return -1;
870}
871
872static void rs600_gpu_init(struct radeon_device *rdev)
873{
874 r420_pipes_init(rdev);
875 /* Wait for mc idle */
876 if (rs600_mc_wait_for_idle(rdev))
877 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
878}
879
880static void rs600_mc_init(struct radeon_device *rdev)
881{
882 u64 base;
883
884 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
885 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
886 rdev->mc.vram_is_ddr = true;
887 rdev->mc.vram_width = 128;
888 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
889 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
890 rdev->mc.visible_vram_size = rdev->mc.aper_size;
891 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
892 base = RREG32_MC(R_000004_MC_FB_LOCATION);
893 base = G_000004_MC_FB_START(base) << 16;
894 radeon_vram_location(rdev, &rdev->mc, base);
895 rdev->mc.gtt_base_align = 0;
896 radeon_gtt_location(rdev, &rdev->mc);
897 radeon_update_bandwidth_info(rdev);
898}
899
900void rs600_bandwidth_update(struct radeon_device *rdev)
901{
902 struct drm_display_mode *mode0 = NULL;
903 struct drm_display_mode *mode1 = NULL;
904 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
905 /* FIXME: implement full support */
906
907 if (!rdev->mode_info.mode_config_initialized)
908 return;
909
910 radeon_update_display_priority(rdev);
911
912 if (rdev->mode_info.crtcs[0]->base.enabled)
913 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
914 if (rdev->mode_info.crtcs[1]->base.enabled)
915 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
916
917 rs690_line_buffer_adjust(rdev, mode0, mode1);
918
919 if (rdev->disp_priority == 2) {
920 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
921 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
922 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
923 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
924 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
925 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
926 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
927 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
928 }
929}
930
931uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
932{
933 unsigned long flags;
934 u32 r;
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));
939 r = RREG32(R_000074_MC_IND_DATA);
940 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
941 return r;
942}
943
944void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
945{
946 unsigned long flags;
947
948 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
949 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
950 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
951 WREG32(R_000074_MC_IND_DATA, v);
952 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
953}
954
955void rs600_set_safe_registers(struct radeon_device *rdev)
956{
957 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
958 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
959}
960
961static void rs600_mc_program(struct radeon_device *rdev)
962{
963 struct rv515_mc_save save;
964
965 /* Stops all mc clients */
966 rv515_mc_stop(rdev, &save);
967
968 /* Wait for mc idle */
969 if (rs600_mc_wait_for_idle(rdev))
970 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
971
972 /* FIXME: What does AGP means for such chipset ? */
973 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
974 WREG32_MC(R_000006_AGP_BASE, 0);
975 WREG32_MC(R_000007_AGP_BASE_2, 0);
976 /* Program MC */
977 WREG32_MC(R_000004_MC_FB_LOCATION,
978 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
979 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
980 WREG32(R_000134_HDP_FB_LOCATION,
981 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
982
983 rv515_mc_resume(rdev, &save);
984}
985
986static int rs600_startup(struct radeon_device *rdev)
987{
988 int r;
989
990 rs600_mc_program(rdev);
991 /* Resume clock */
992 rv515_clock_startup(rdev);
993 /* Initialize GPU configuration (# pipes, ...) */
994 rs600_gpu_init(rdev);
995 /* Initialize GART (initialize after TTM so we can allocate
996 * memory through TTM but finalize after TTM) */
997 r = rs600_gart_enable(rdev);
998 if (r)
999 return r;
1000
1001 /* allocate wb buffer */
1002 r = radeon_wb_init(rdev);
1003 if (r)
1004 return r;
1005
1006 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1007 if (r) {
1008 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1009 return r;
1010 }
1011
1012 /* Enable IRQ */
1013 if (!rdev->irq.installed) {
1014 r = radeon_irq_kms_init(rdev);
1015 if (r)
1016 return r;
1017 }
1018
1019 rs600_irq_set(rdev);
1020 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1021 /* 1M ring buffer */
1022 r = r100_cp_init(rdev, 1024 * 1024);
1023 if (r) {
1024 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1025 return r;
1026 }
1027
1028 r = radeon_ib_pool_init(rdev);
1029 if (r) {
1030 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1031 return r;
1032 }
1033
1034 r = radeon_audio_init(rdev);
1035 if (r) {
1036 dev_err(rdev->dev, "failed initializing audio\n");
1037 return r;
1038 }
1039
1040 return 0;
1041}
1042
1043int rs600_resume(struct radeon_device *rdev)
1044{
1045 int r;
1046
1047 /* Make sur GART are not working */
1048 rs600_gart_disable(rdev);
1049 /* Resume clock before doing reset */
1050 rv515_clock_startup(rdev);
1051 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1052 if (radeon_asic_reset(rdev)) {
1053 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1054 RREG32(R_000E40_RBBM_STATUS),
1055 RREG32(R_0007C0_CP_STAT));
1056 }
1057 /* post */
1058 atom_asic_init(rdev->mode_info.atom_context);
1059 /* Resume clock after posting */
1060 rv515_clock_startup(rdev);
1061 /* Initialize surface registers */
1062 radeon_surface_init(rdev);
1063
1064 rdev->accel_working = true;
1065 r = rs600_startup(rdev);
1066 if (r) {
1067 rdev->accel_working = false;
1068 }
1069 return r;
1070}
1071
1072int rs600_suspend(struct radeon_device *rdev)
1073{
1074 radeon_pm_suspend(rdev);
1075 radeon_audio_fini(rdev);
1076 r100_cp_disable(rdev);
1077 radeon_wb_disable(rdev);
1078 rs600_irq_disable(rdev);
1079 rs600_gart_disable(rdev);
1080 return 0;
1081}
1082
1083void rs600_fini(struct radeon_device *rdev)
1084{
1085 radeon_pm_fini(rdev);
1086 radeon_audio_fini(rdev);
1087 r100_cp_fini(rdev);
1088 radeon_wb_fini(rdev);
1089 radeon_ib_pool_fini(rdev);
1090 radeon_gem_fini(rdev);
1091 rs600_gart_fini(rdev);
1092 radeon_irq_kms_fini(rdev);
1093 radeon_fence_driver_fini(rdev);
1094 radeon_bo_fini(rdev);
1095 radeon_atombios_fini(rdev);
1096 kfree(rdev->bios);
1097 rdev->bios = NULL;
1098}
1099
1100int rs600_init(struct radeon_device *rdev)
1101{
1102 int r;
1103
1104 /* Disable VGA */
1105 rv515_vga_render_disable(rdev);
1106 /* Initialize scratch registers */
1107 radeon_scratch_init(rdev);
1108 /* Initialize surface registers */
1109 radeon_surface_init(rdev);
1110 /* restore some register to sane defaults */
1111 r100_restore_sanity(rdev);
1112 /* BIOS */
1113 if (!radeon_get_bios(rdev)) {
1114 if (ASIC_IS_AVIVO(rdev))
1115 return -EINVAL;
1116 }
1117 if (rdev->is_atom_bios) {
1118 r = radeon_atombios_init(rdev);
1119 if (r)
1120 return r;
1121 } else {
1122 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1123 return -EINVAL;
1124 }
1125 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1126 if (radeon_asic_reset(rdev)) {
1127 dev_warn(rdev->dev,
1128 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1129 RREG32(R_000E40_RBBM_STATUS),
1130 RREG32(R_0007C0_CP_STAT));
1131 }
1132 /* check if cards are posted or not */
1133 if (radeon_boot_test_post_card(rdev) == false)
1134 return -EINVAL;
1135
1136 /* Initialize clocks */
1137 radeon_get_clock_info(rdev->ddev);
1138 /* initialize memory controller */
1139 rs600_mc_init(rdev);
1140 r100_debugfs_rbbm_init(rdev);
1141 /* Fence driver */
1142 radeon_fence_driver_init(rdev);
1143 /* Memory manager */
1144 r = radeon_bo_init(rdev);
1145 if (r)
1146 return r;
1147 r = rs600_gart_init(rdev);
1148 if (r)
1149 return r;
1150 rs600_set_safe_registers(rdev);
1151
1152 /* Initialize power management */
1153 radeon_pm_init(rdev);
1154
1155 rdev->accel_working = true;
1156 r = rs600_startup(rdev);
1157 if (r) {
1158 /* Somethings want wront with the accel init stop accel */
1159 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1160 r100_cp_fini(rdev);
1161 radeon_wb_fini(rdev);
1162 radeon_ib_pool_fini(rdev);
1163 rs600_gart_fini(rdev);
1164 radeon_irq_kms_fini(rdev);
1165 rdev->accel_working = false;
1166 }
1167 return 0;
1168}
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 "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
46void rs600_gpu_init(struct radeon_device *rdev);
47int rs600_mc_wait_for_idle(struct radeon_device *rdev);
48
49void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
50{
51 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
52 int i;
53
54 if (RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset) & AVIVO_CRTC_EN) {
55 for (i = 0; i < rdev->usec_timeout; i++) {
56 if (!(RREG32(AVIVO_D1CRTC_STATUS + radeon_crtc->crtc_offset) & AVIVO_D1CRTC_V_BLANK))
57 break;
58 udelay(1);
59 }
60 for (i = 0; i < rdev->usec_timeout; i++) {
61 if (RREG32(AVIVO_D1CRTC_STATUS + radeon_crtc->crtc_offset) & AVIVO_D1CRTC_V_BLANK)
62 break;
63 udelay(1);
64 }
65 }
66}
67
68void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
69{
70 /* enable the pflip int */
71 radeon_irq_kms_pflip_irq_get(rdev, crtc);
72}
73
74void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
75{
76 /* disable the pflip int */
77 radeon_irq_kms_pflip_irq_put(rdev, crtc);
78}
79
80u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
81{
82 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
83 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
84 int i;
85
86 /* Lock the graphics update lock */
87 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
88 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
89
90 /* update the scanout addresses */
91 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
92 (u32)crtc_base);
93 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
94 (u32)crtc_base);
95
96 /* Wait for update_pending to go high. */
97 for (i = 0; i < rdev->usec_timeout; i++) {
98 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
99 break;
100 udelay(1);
101 }
102 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
103
104 /* Unlock the lock, so double-buffering can take place inside vblank */
105 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
106 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
107
108 /* Return current update_pending status: */
109 return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
110}
111
112void rs600_pm_misc(struct radeon_device *rdev)
113{
114 int requested_index = rdev->pm.requested_power_state_index;
115 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
116 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
117 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
118 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
119
120 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
121 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
122 tmp = RREG32(voltage->gpio.reg);
123 if (voltage->active_high)
124 tmp |= voltage->gpio.mask;
125 else
126 tmp &= ~(voltage->gpio.mask);
127 WREG32(voltage->gpio.reg, tmp);
128 if (voltage->delay)
129 udelay(voltage->delay);
130 } else {
131 tmp = RREG32(voltage->gpio.reg);
132 if (voltage->active_high)
133 tmp &= ~voltage->gpio.mask;
134 else
135 tmp |= voltage->gpio.mask;
136 WREG32(voltage->gpio.reg, tmp);
137 if (voltage->delay)
138 udelay(voltage->delay);
139 }
140 } else if (voltage->type == VOLTAGE_VDDC)
141 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
142
143 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
144 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
145 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
146 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
147 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
148 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
149 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
150 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
151 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
152 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
153 }
154 } else {
155 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
156 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
157 }
158 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
159
160 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
161 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
162 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
163 if (voltage->delay) {
164 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
165 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
166 } else
167 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
168 } else
169 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
170 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
171
172 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
173 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
174 hdp_dyn_cntl &= ~HDP_FORCEON;
175 else
176 hdp_dyn_cntl |= HDP_FORCEON;
177 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
178#if 0
179 /* mc_host_dyn seems to cause hangs from time to time */
180 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
181 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
182 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
183 else
184 mc_host_dyn_cntl |= MC_HOST_FORCEON;
185 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
186#endif
187 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
188 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
189 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
190 else
191 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
192 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
193
194 /* set pcie lanes */
195 if ((rdev->flags & RADEON_IS_PCIE) &&
196 !(rdev->flags & RADEON_IS_IGP) &&
197 rdev->asic->pm.set_pcie_lanes &&
198 (ps->pcie_lanes !=
199 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
200 radeon_set_pcie_lanes(rdev,
201 ps->pcie_lanes);
202 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
203 }
204}
205
206void rs600_pm_prepare(struct radeon_device *rdev)
207{
208 struct drm_device *ddev = rdev->ddev;
209 struct drm_crtc *crtc;
210 struct radeon_crtc *radeon_crtc;
211 u32 tmp;
212
213 /* disable any active CRTCs */
214 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
215 radeon_crtc = to_radeon_crtc(crtc);
216 if (radeon_crtc->enabled) {
217 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
218 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
219 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
220 }
221 }
222}
223
224void rs600_pm_finish(struct radeon_device *rdev)
225{
226 struct drm_device *ddev = rdev->ddev;
227 struct drm_crtc *crtc;
228 struct radeon_crtc *radeon_crtc;
229 u32 tmp;
230
231 /* enable any active CRTCs */
232 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
233 radeon_crtc = to_radeon_crtc(crtc);
234 if (radeon_crtc->enabled) {
235 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
236 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
237 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
238 }
239 }
240}
241
242/* hpd for digital panel detect/disconnect */
243bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
244{
245 u32 tmp;
246 bool connected = false;
247
248 switch (hpd) {
249 case RADEON_HPD_1:
250 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
251 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
252 connected = true;
253 break;
254 case RADEON_HPD_2:
255 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
256 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
257 connected = true;
258 break;
259 default:
260 break;
261 }
262 return connected;
263}
264
265void rs600_hpd_set_polarity(struct radeon_device *rdev,
266 enum radeon_hpd_id hpd)
267{
268 u32 tmp;
269 bool connected = rs600_hpd_sense(rdev, hpd);
270
271 switch (hpd) {
272 case RADEON_HPD_1:
273 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
274 if (connected)
275 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
276 else
277 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
278 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
279 break;
280 case RADEON_HPD_2:
281 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
282 if (connected)
283 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
284 else
285 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
286 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
287 break;
288 default:
289 break;
290 }
291}
292
293void rs600_hpd_init(struct radeon_device *rdev)
294{
295 struct drm_device *dev = rdev->ddev;
296 struct drm_connector *connector;
297
298 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
299 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
300 switch (radeon_connector->hpd.hpd) {
301 case RADEON_HPD_1:
302 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
303 S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
304 rdev->irq.hpd[0] = true;
305 break;
306 case RADEON_HPD_2:
307 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
308 S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
309 rdev->irq.hpd[1] = true;
310 break;
311 default:
312 break;
313 }
314 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
315 }
316 if (rdev->irq.installed)
317 rs600_irq_set(rdev);
318}
319
320void rs600_hpd_fini(struct radeon_device *rdev)
321{
322 struct drm_device *dev = rdev->ddev;
323 struct drm_connector *connector;
324
325 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
326 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
327 switch (radeon_connector->hpd.hpd) {
328 case RADEON_HPD_1:
329 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
330 S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
331 rdev->irq.hpd[0] = false;
332 break;
333 case RADEON_HPD_2:
334 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
335 S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
336 rdev->irq.hpd[1] = false;
337 break;
338 default:
339 break;
340 }
341 }
342}
343
344int rs600_asic_reset(struct radeon_device *rdev)
345{
346 struct rv515_mc_save save;
347 u32 status, tmp;
348 int ret = 0;
349
350 status = RREG32(R_000E40_RBBM_STATUS);
351 if (!G_000E40_GUI_ACTIVE(status)) {
352 return 0;
353 }
354 /* Stops all mc clients */
355 rv515_mc_stop(rdev, &save);
356 status = RREG32(R_000E40_RBBM_STATUS);
357 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
358 /* stop CP */
359 WREG32(RADEON_CP_CSQ_CNTL, 0);
360 tmp = RREG32(RADEON_CP_RB_CNTL);
361 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
362 WREG32(RADEON_CP_RB_RPTR_WR, 0);
363 WREG32(RADEON_CP_RB_WPTR, 0);
364 WREG32(RADEON_CP_RB_CNTL, tmp);
365 pci_save_state(rdev->pdev);
366 /* disable bus mastering */
367 pci_clear_master(rdev->pdev);
368 mdelay(1);
369 /* reset GA+VAP */
370 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
371 S_0000F0_SOFT_RESET_GA(1));
372 RREG32(R_0000F0_RBBM_SOFT_RESET);
373 mdelay(500);
374 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
375 mdelay(1);
376 status = RREG32(R_000E40_RBBM_STATUS);
377 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
378 /* reset CP */
379 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
380 RREG32(R_0000F0_RBBM_SOFT_RESET);
381 mdelay(500);
382 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
383 mdelay(1);
384 status = RREG32(R_000E40_RBBM_STATUS);
385 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
386 /* reset MC */
387 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
388 RREG32(R_0000F0_RBBM_SOFT_RESET);
389 mdelay(500);
390 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
391 mdelay(1);
392 status = RREG32(R_000E40_RBBM_STATUS);
393 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
394 /* restore PCI & busmastering */
395 pci_restore_state(rdev->pdev);
396 /* Check if GPU is idle */
397 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
398 dev_err(rdev->dev, "failed to reset GPU\n");
399 ret = -1;
400 } else
401 dev_info(rdev->dev, "GPU reset succeed\n");
402 rv515_mc_resume(rdev, &save);
403 return ret;
404}
405
406/*
407 * GART.
408 */
409void rs600_gart_tlb_flush(struct radeon_device *rdev)
410{
411 uint32_t tmp;
412
413 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
414 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
415 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
416
417 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
418 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
419 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
420
421 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
422 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
423 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
424 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
425}
426
427int rs600_gart_init(struct radeon_device *rdev)
428{
429 int r;
430
431 if (rdev->gart.robj) {
432 WARN(1, "RS600 GART already initialized\n");
433 return 0;
434 }
435 /* Initialize common gart structure */
436 r = radeon_gart_init(rdev);
437 if (r) {
438 return r;
439 }
440 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
441 return radeon_gart_table_vram_alloc(rdev);
442}
443
444static int rs600_gart_enable(struct radeon_device *rdev)
445{
446 u32 tmp;
447 int r, i;
448
449 if (rdev->gart.robj == NULL) {
450 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
451 return -EINVAL;
452 }
453 r = radeon_gart_table_vram_pin(rdev);
454 if (r)
455 return r;
456 radeon_gart_restore(rdev);
457 /* Enable bus master */
458 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
459 WREG32(RADEON_BUS_CNTL, tmp);
460 /* FIXME: setup default page */
461 WREG32_MC(R_000100_MC_PT0_CNTL,
462 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
463 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
464
465 for (i = 0; i < 19; i++) {
466 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
467 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
468 S_00016C_SYSTEM_ACCESS_MODE_MASK(
469 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
470 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
471 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
472 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
473 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
474 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
475 }
476 /* enable first context */
477 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
478 S_000102_ENABLE_PAGE_TABLE(1) |
479 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
480
481 /* disable all other contexts */
482 for (i = 1; i < 8; i++)
483 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
484
485 /* setup the page table */
486 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
487 rdev->gart.table_addr);
488 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
489 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
490 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
491
492 /* System context maps to VRAM space */
493 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
494 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
495
496 /* enable page tables */
497 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
498 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
499 tmp = RREG32_MC(R_000009_MC_CNTL1);
500 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
501 rs600_gart_tlb_flush(rdev);
502 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
503 (unsigned)(rdev->mc.gtt_size >> 20),
504 (unsigned long long)rdev->gart.table_addr);
505 rdev->gart.ready = true;
506 return 0;
507}
508
509void rs600_gart_disable(struct radeon_device *rdev)
510{
511 u32 tmp;
512
513 /* FIXME: disable out of gart access */
514 WREG32_MC(R_000100_MC_PT0_CNTL, 0);
515 tmp = RREG32_MC(R_000009_MC_CNTL1);
516 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
517 radeon_gart_table_vram_unpin(rdev);
518}
519
520void rs600_gart_fini(struct radeon_device *rdev)
521{
522 radeon_gart_fini(rdev);
523 rs600_gart_disable(rdev);
524 radeon_gart_table_vram_free(rdev);
525}
526
527#define R600_PTE_VALID (1 << 0)
528#define R600_PTE_SYSTEM (1 << 1)
529#define R600_PTE_SNOOPED (1 << 2)
530#define R600_PTE_READABLE (1 << 5)
531#define R600_PTE_WRITEABLE (1 << 6)
532
533int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
534{
535 void __iomem *ptr = (void *)rdev->gart.ptr;
536
537 if (i < 0 || i > rdev->gart.num_gpu_pages) {
538 return -EINVAL;
539 }
540 addr = addr & 0xFFFFFFFFFFFFF000ULL;
541 addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
542 addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
543 writeq(addr, ptr + (i * 8));
544 return 0;
545}
546
547int rs600_irq_set(struct radeon_device *rdev)
548{
549 uint32_t tmp = 0;
550 uint32_t mode_int = 0;
551 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
552 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
553 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
554 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
555 u32 hdmi0;
556 if (ASIC_IS_DCE2(rdev))
557 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
558 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
559 else
560 hdmi0 = 0;
561
562 if (!rdev->irq.installed) {
563 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
564 WREG32(R_000040_GEN_INT_CNTL, 0);
565 return -EINVAL;
566 }
567 if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) {
568 tmp |= S_000040_SW_INT_EN(1);
569 }
570 if (rdev->irq.gui_idle) {
571 tmp |= S_000040_GUI_IDLE(1);
572 }
573 if (rdev->irq.crtc_vblank_int[0] ||
574 rdev->irq.pflip[0]) {
575 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
576 }
577 if (rdev->irq.crtc_vblank_int[1] ||
578 rdev->irq.pflip[1]) {
579 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
580 }
581 if (rdev->irq.hpd[0]) {
582 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
583 }
584 if (rdev->irq.hpd[1]) {
585 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
586 }
587 if (rdev->irq.afmt[0]) {
588 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
589 }
590 WREG32(R_000040_GEN_INT_CNTL, tmp);
591 WREG32(R_006540_DxMODE_INT_MASK, mode_int);
592 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
593 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
594 if (ASIC_IS_DCE2(rdev))
595 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
596 return 0;
597}
598
599static inline u32 rs600_irq_ack(struct radeon_device *rdev)
600{
601 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
602 uint32_t irq_mask = S_000044_SW_INT(1);
603 u32 tmp;
604
605 /* the interrupt works, but the status bit is permanently asserted */
606 if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
607 if (!rdev->irq.gui_idle_acked)
608 irq_mask |= S_000044_GUI_IDLE_STAT(1);
609 }
610
611 if (G_000044_DISPLAY_INT_STAT(irqs)) {
612 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
613 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
614 WREG32(R_006534_D1MODE_VBLANK_STATUS,
615 S_006534_D1MODE_VBLANK_ACK(1));
616 }
617 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
618 WREG32(R_006D34_D2MODE_VBLANK_STATUS,
619 S_006D34_D2MODE_VBLANK_ACK(1));
620 }
621 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
622 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
623 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
624 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
625 }
626 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
627 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
628 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
629 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
630 }
631 } else {
632 rdev->irq.stat_regs.r500.disp_int = 0;
633 }
634
635 if (ASIC_IS_DCE2(rdev)) {
636 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
637 S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
638 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
639 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
640 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
641 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
642 }
643 } else
644 rdev->irq.stat_regs.r500.hdmi0_status = 0;
645
646 if (irqs) {
647 WREG32(R_000044_GEN_INT_STATUS, irqs);
648 }
649 return irqs & irq_mask;
650}
651
652void rs600_irq_disable(struct radeon_device *rdev)
653{
654 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
655 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
656 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
657 WREG32(R_000040_GEN_INT_CNTL, 0);
658 WREG32(R_006540_DxMODE_INT_MASK, 0);
659 /* Wait and acknowledge irq */
660 mdelay(1);
661 rs600_irq_ack(rdev);
662}
663
664int rs600_irq_process(struct radeon_device *rdev)
665{
666 u32 status, msi_rearm;
667 bool queue_hotplug = false;
668 bool queue_hdmi = false;
669
670 /* reset gui idle ack. the status bit is broken */
671 rdev->irq.gui_idle_acked = false;
672
673 status = rs600_irq_ack(rdev);
674 if (!status &&
675 !rdev->irq.stat_regs.r500.disp_int &&
676 !rdev->irq.stat_regs.r500.hdmi0_status) {
677 return IRQ_NONE;
678 }
679 while (status ||
680 rdev->irq.stat_regs.r500.disp_int ||
681 rdev->irq.stat_regs.r500.hdmi0_status) {
682 /* SW interrupt */
683 if (G_000044_SW_INT(status)) {
684 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
685 }
686 /* GUI idle */
687 if (G_000040_GUI_IDLE(status)) {
688 rdev->irq.gui_idle_acked = true;
689 rdev->pm.gui_idle = true;
690 wake_up(&rdev->irq.idle_queue);
691 }
692 /* Vertical blank interrupts */
693 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
694 if (rdev->irq.crtc_vblank_int[0]) {
695 drm_handle_vblank(rdev->ddev, 0);
696 rdev->pm.vblank_sync = true;
697 wake_up(&rdev->irq.vblank_queue);
698 }
699 if (rdev->irq.pflip[0])
700 radeon_crtc_handle_flip(rdev, 0);
701 }
702 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
703 if (rdev->irq.crtc_vblank_int[1]) {
704 drm_handle_vblank(rdev->ddev, 1);
705 rdev->pm.vblank_sync = true;
706 wake_up(&rdev->irq.vblank_queue);
707 }
708 if (rdev->irq.pflip[1])
709 radeon_crtc_handle_flip(rdev, 1);
710 }
711 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
712 queue_hotplug = true;
713 DRM_DEBUG("HPD1\n");
714 }
715 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
716 queue_hotplug = true;
717 DRM_DEBUG("HPD2\n");
718 }
719 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
720 queue_hdmi = true;
721 DRM_DEBUG("HDMI0\n");
722 }
723 status = rs600_irq_ack(rdev);
724 }
725 /* reset gui idle ack. the status bit is broken */
726 rdev->irq.gui_idle_acked = false;
727 if (queue_hotplug)
728 schedule_work(&rdev->hotplug_work);
729 if (queue_hdmi)
730 schedule_work(&rdev->audio_work);
731 if (rdev->msi_enabled) {
732 switch (rdev->family) {
733 case CHIP_RS600:
734 case CHIP_RS690:
735 case CHIP_RS740:
736 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
737 WREG32(RADEON_BUS_CNTL, msi_rearm);
738 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
739 break;
740 default:
741 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
742 break;
743 }
744 }
745 return IRQ_HANDLED;
746}
747
748u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
749{
750 if (crtc == 0)
751 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
752 else
753 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
754}
755
756int rs600_mc_wait_for_idle(struct radeon_device *rdev)
757{
758 unsigned i;
759
760 for (i = 0; i < rdev->usec_timeout; i++) {
761 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
762 return 0;
763 udelay(1);
764 }
765 return -1;
766}
767
768void rs600_gpu_init(struct radeon_device *rdev)
769{
770 r420_pipes_init(rdev);
771 /* Wait for mc idle */
772 if (rs600_mc_wait_for_idle(rdev))
773 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
774}
775
776void rs600_mc_init(struct radeon_device *rdev)
777{
778 u64 base;
779
780 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
781 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
782 rdev->mc.vram_is_ddr = true;
783 rdev->mc.vram_width = 128;
784 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
785 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
786 rdev->mc.visible_vram_size = rdev->mc.aper_size;
787 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
788 base = RREG32_MC(R_000004_MC_FB_LOCATION);
789 base = G_000004_MC_FB_START(base) << 16;
790 radeon_vram_location(rdev, &rdev->mc, base);
791 rdev->mc.gtt_base_align = 0;
792 radeon_gtt_location(rdev, &rdev->mc);
793 radeon_update_bandwidth_info(rdev);
794}
795
796void rs600_bandwidth_update(struct radeon_device *rdev)
797{
798 struct drm_display_mode *mode0 = NULL;
799 struct drm_display_mode *mode1 = NULL;
800 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
801 /* FIXME: implement full support */
802
803 radeon_update_display_priority(rdev);
804
805 if (rdev->mode_info.crtcs[0]->base.enabled)
806 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
807 if (rdev->mode_info.crtcs[1]->base.enabled)
808 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
809
810 rs690_line_buffer_adjust(rdev, mode0, mode1);
811
812 if (rdev->disp_priority == 2) {
813 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
814 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
815 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
816 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
817 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
818 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
819 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
820 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
821 }
822}
823
824uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
825{
826 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
827 S_000070_MC_IND_CITF_ARB0(1));
828 return RREG32(R_000074_MC_IND_DATA);
829}
830
831void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
832{
833 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
834 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
835 WREG32(R_000074_MC_IND_DATA, v);
836}
837
838void rs600_debugfs(struct radeon_device *rdev)
839{
840 if (r100_debugfs_rbbm_init(rdev))
841 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
842}
843
844void rs600_set_safe_registers(struct radeon_device *rdev)
845{
846 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
847 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
848}
849
850static void rs600_mc_program(struct radeon_device *rdev)
851{
852 struct rv515_mc_save save;
853
854 /* Stops all mc clients */
855 rv515_mc_stop(rdev, &save);
856
857 /* Wait for mc idle */
858 if (rs600_mc_wait_for_idle(rdev))
859 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
860
861 /* FIXME: What does AGP means for such chipset ? */
862 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
863 WREG32_MC(R_000006_AGP_BASE, 0);
864 WREG32_MC(R_000007_AGP_BASE_2, 0);
865 /* Program MC */
866 WREG32_MC(R_000004_MC_FB_LOCATION,
867 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
868 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
869 WREG32(R_000134_HDP_FB_LOCATION,
870 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
871
872 rv515_mc_resume(rdev, &save);
873}
874
875static int rs600_startup(struct radeon_device *rdev)
876{
877 int r;
878
879 rs600_mc_program(rdev);
880 /* Resume clock */
881 rv515_clock_startup(rdev);
882 /* Initialize GPU configuration (# pipes, ...) */
883 rs600_gpu_init(rdev);
884 /* Initialize GART (initialize after TTM so we can allocate
885 * memory through TTM but finalize after TTM) */
886 r = rs600_gart_enable(rdev);
887 if (r)
888 return r;
889
890 /* allocate wb buffer */
891 r = radeon_wb_init(rdev);
892 if (r)
893 return r;
894
895 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
896 if (r) {
897 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
898 return r;
899 }
900
901 /* Enable IRQ */
902 rs600_irq_set(rdev);
903 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
904 /* 1M ring buffer */
905 r = r100_cp_init(rdev, 1024 * 1024);
906 if (r) {
907 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
908 return r;
909 }
910
911 r = radeon_ib_pool_start(rdev);
912 if (r)
913 return r;
914
915 r = radeon_ib_ring_tests(rdev);
916 if (r)
917 return r;
918
919 r = r600_audio_init(rdev);
920 if (r) {
921 dev_err(rdev->dev, "failed initializing audio\n");
922 return r;
923 }
924
925 return 0;
926}
927
928int rs600_resume(struct radeon_device *rdev)
929{
930 int r;
931
932 /* Make sur GART are not working */
933 rs600_gart_disable(rdev);
934 /* Resume clock before doing reset */
935 rv515_clock_startup(rdev);
936 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
937 if (radeon_asic_reset(rdev)) {
938 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
939 RREG32(R_000E40_RBBM_STATUS),
940 RREG32(R_0007C0_CP_STAT));
941 }
942 /* post */
943 atom_asic_init(rdev->mode_info.atom_context);
944 /* Resume clock after posting */
945 rv515_clock_startup(rdev);
946 /* Initialize surface registers */
947 radeon_surface_init(rdev);
948
949 rdev->accel_working = true;
950 r = rs600_startup(rdev);
951 if (r) {
952 rdev->accel_working = false;
953 }
954 return r;
955}
956
957int rs600_suspend(struct radeon_device *rdev)
958{
959 radeon_ib_pool_suspend(rdev);
960 r600_audio_fini(rdev);
961 r100_cp_disable(rdev);
962 radeon_wb_disable(rdev);
963 rs600_irq_disable(rdev);
964 rs600_gart_disable(rdev);
965 return 0;
966}
967
968void rs600_fini(struct radeon_device *rdev)
969{
970 r600_audio_fini(rdev);
971 r100_cp_fini(rdev);
972 radeon_wb_fini(rdev);
973 r100_ib_fini(rdev);
974 radeon_gem_fini(rdev);
975 rs600_gart_fini(rdev);
976 radeon_irq_kms_fini(rdev);
977 radeon_fence_driver_fini(rdev);
978 radeon_bo_fini(rdev);
979 radeon_atombios_fini(rdev);
980 kfree(rdev->bios);
981 rdev->bios = NULL;
982}
983
984int rs600_init(struct radeon_device *rdev)
985{
986 int r;
987
988 /* Disable VGA */
989 rv515_vga_render_disable(rdev);
990 /* Initialize scratch registers */
991 radeon_scratch_init(rdev);
992 /* Initialize surface registers */
993 radeon_surface_init(rdev);
994 /* restore some register to sane defaults */
995 r100_restore_sanity(rdev);
996 /* BIOS */
997 if (!radeon_get_bios(rdev)) {
998 if (ASIC_IS_AVIVO(rdev))
999 return -EINVAL;
1000 }
1001 if (rdev->is_atom_bios) {
1002 r = radeon_atombios_init(rdev);
1003 if (r)
1004 return r;
1005 } else {
1006 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1007 return -EINVAL;
1008 }
1009 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1010 if (radeon_asic_reset(rdev)) {
1011 dev_warn(rdev->dev,
1012 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1013 RREG32(R_000E40_RBBM_STATUS),
1014 RREG32(R_0007C0_CP_STAT));
1015 }
1016 /* check if cards are posted or not */
1017 if (radeon_boot_test_post_card(rdev) == false)
1018 return -EINVAL;
1019
1020 /* Initialize clocks */
1021 radeon_get_clock_info(rdev->ddev);
1022 /* initialize memory controller */
1023 rs600_mc_init(rdev);
1024 rs600_debugfs(rdev);
1025 /* Fence driver */
1026 r = radeon_fence_driver_init(rdev);
1027 if (r)
1028 return r;
1029 r = radeon_irq_kms_init(rdev);
1030 if (r)
1031 return r;
1032 /* Memory manager */
1033 r = radeon_bo_init(rdev);
1034 if (r)
1035 return r;
1036 r = rs600_gart_init(rdev);
1037 if (r)
1038 return r;
1039 rs600_set_safe_registers(rdev);
1040
1041 r = radeon_ib_pool_init(rdev);
1042 rdev->accel_working = true;
1043 if (r) {
1044 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1045 rdev->accel_working = false;
1046 }
1047
1048 r = rs600_startup(rdev);
1049 if (r) {
1050 /* Somethings want wront with the accel init stop accel */
1051 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1052 r100_cp_fini(rdev);
1053 radeon_wb_fini(rdev);
1054 r100_ib_fini(rdev);
1055 rs600_gart_fini(rdev);
1056 radeon_irq_kms_fini(rdev);
1057 rdev->accel_working = false;
1058 }
1059 return 0;
1060}