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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#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 rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
50{
51 /* enable the pflip int */
52 radeon_irq_kms_pflip_irq_get(rdev, crtc);
53}
54
55void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
56{
57 /* disable the pflip int */
58 radeon_irq_kms_pflip_irq_put(rdev, crtc);
59}
60
61u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
62{
63 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
64 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
65
66 /* Lock the graphics update lock */
67 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
68 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
69
70 /* update the scanout addresses */
71 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
72 (u32)crtc_base);
73 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
74 (u32)crtc_base);
75
76 /* Wait for update_pending to go high. */
77 while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
78 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
79
80 /* Unlock the lock, so double-buffering can take place inside vblank */
81 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
82 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
83
84 /* Return current update_pending status: */
85 return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
86}
87
88void rs600_pm_misc(struct radeon_device *rdev)
89{
90 int requested_index = rdev->pm.requested_power_state_index;
91 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
92 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
93 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
94 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
95
96 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
97 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
98 tmp = RREG32(voltage->gpio.reg);
99 if (voltage->active_high)
100 tmp |= voltage->gpio.mask;
101 else
102 tmp &= ~(voltage->gpio.mask);
103 WREG32(voltage->gpio.reg, tmp);
104 if (voltage->delay)
105 udelay(voltage->delay);
106 } else {
107 tmp = RREG32(voltage->gpio.reg);
108 if (voltage->active_high)
109 tmp &= ~voltage->gpio.mask;
110 else
111 tmp |= voltage->gpio.mask;
112 WREG32(voltage->gpio.reg, tmp);
113 if (voltage->delay)
114 udelay(voltage->delay);
115 }
116 } else if (voltage->type == VOLTAGE_VDDC)
117 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
118
119 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
120 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
121 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
122 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
123 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
124 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
125 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
126 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
127 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
128 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
129 }
130 } else {
131 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
132 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
133 }
134 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
135
136 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
137 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
138 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
139 if (voltage->delay) {
140 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
141 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
142 } else
143 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
144 } else
145 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
146 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
147
148 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
149 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
150 hdp_dyn_cntl &= ~HDP_FORCEON;
151 else
152 hdp_dyn_cntl |= HDP_FORCEON;
153 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
154#if 0
155 /* mc_host_dyn seems to cause hangs from time to time */
156 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
157 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
158 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
159 else
160 mc_host_dyn_cntl |= MC_HOST_FORCEON;
161 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
162#endif
163 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
164 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
165 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
166 else
167 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
168 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
169
170 /* set pcie lanes */
171 if ((rdev->flags & RADEON_IS_PCIE) &&
172 !(rdev->flags & RADEON_IS_IGP) &&
173 rdev->asic->set_pcie_lanes &&
174 (ps->pcie_lanes !=
175 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
176 radeon_set_pcie_lanes(rdev,
177 ps->pcie_lanes);
178 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
179 }
180}
181
182void rs600_pm_prepare(struct radeon_device *rdev)
183{
184 struct drm_device *ddev = rdev->ddev;
185 struct drm_crtc *crtc;
186 struct radeon_crtc *radeon_crtc;
187 u32 tmp;
188
189 /* disable any active CRTCs */
190 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
191 radeon_crtc = to_radeon_crtc(crtc);
192 if (radeon_crtc->enabled) {
193 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
194 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
195 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
196 }
197 }
198}
199
200void rs600_pm_finish(struct radeon_device *rdev)
201{
202 struct drm_device *ddev = rdev->ddev;
203 struct drm_crtc *crtc;
204 struct radeon_crtc *radeon_crtc;
205 u32 tmp;
206
207 /* enable any active CRTCs */
208 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
209 radeon_crtc = to_radeon_crtc(crtc);
210 if (radeon_crtc->enabled) {
211 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
212 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
213 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
214 }
215 }
216}
217
218/* hpd for digital panel detect/disconnect */
219bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
220{
221 u32 tmp;
222 bool connected = false;
223
224 switch (hpd) {
225 case RADEON_HPD_1:
226 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
227 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
228 connected = true;
229 break;
230 case RADEON_HPD_2:
231 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
232 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
233 connected = true;
234 break;
235 default:
236 break;
237 }
238 return connected;
239}
240
241void rs600_hpd_set_polarity(struct radeon_device *rdev,
242 enum radeon_hpd_id hpd)
243{
244 u32 tmp;
245 bool connected = rs600_hpd_sense(rdev, hpd);
246
247 switch (hpd) {
248 case RADEON_HPD_1:
249 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
250 if (connected)
251 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
252 else
253 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
254 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
255 break;
256 case RADEON_HPD_2:
257 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
258 if (connected)
259 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
260 else
261 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
262 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
263 break;
264 default:
265 break;
266 }
267}
268
269void rs600_hpd_init(struct radeon_device *rdev)
270{
271 struct drm_device *dev = rdev->ddev;
272 struct drm_connector *connector;
273
274 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
275 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
276 switch (radeon_connector->hpd.hpd) {
277 case RADEON_HPD_1:
278 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
279 S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
280 rdev->irq.hpd[0] = true;
281 break;
282 case RADEON_HPD_2:
283 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
284 S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
285 rdev->irq.hpd[1] = true;
286 break;
287 default:
288 break;
289 }
290 }
291 if (rdev->irq.installed)
292 rs600_irq_set(rdev);
293}
294
295void rs600_hpd_fini(struct radeon_device *rdev)
296{
297 struct drm_device *dev = rdev->ddev;
298 struct drm_connector *connector;
299
300 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
301 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
302 switch (radeon_connector->hpd.hpd) {
303 case RADEON_HPD_1:
304 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
305 S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
306 rdev->irq.hpd[0] = false;
307 break;
308 case RADEON_HPD_2:
309 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
310 S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
311 rdev->irq.hpd[1] = false;
312 break;
313 default:
314 break;
315 }
316 }
317}
318
319void rs600_bm_disable(struct radeon_device *rdev)
320{
321 u32 tmp;
322
323 /* disable bus mastering */
324 pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
325 pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
326 mdelay(1);
327}
328
329int rs600_asic_reset(struct radeon_device *rdev)
330{
331 struct rv515_mc_save save;
332 u32 status, tmp;
333 int ret = 0;
334
335 status = RREG32(R_000E40_RBBM_STATUS);
336 if (!G_000E40_GUI_ACTIVE(status)) {
337 return 0;
338 }
339 /* Stops all mc clients */
340 rv515_mc_stop(rdev, &save);
341 status = RREG32(R_000E40_RBBM_STATUS);
342 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
343 /* stop CP */
344 WREG32(RADEON_CP_CSQ_CNTL, 0);
345 tmp = RREG32(RADEON_CP_RB_CNTL);
346 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
347 WREG32(RADEON_CP_RB_RPTR_WR, 0);
348 WREG32(RADEON_CP_RB_WPTR, 0);
349 WREG32(RADEON_CP_RB_CNTL, tmp);
350 pci_save_state(rdev->pdev);
351 /* disable bus mastering */
352 rs600_bm_disable(rdev);
353 /* reset GA+VAP */
354 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
355 S_0000F0_SOFT_RESET_GA(1));
356 RREG32(R_0000F0_RBBM_SOFT_RESET);
357 mdelay(500);
358 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
359 mdelay(1);
360 status = RREG32(R_000E40_RBBM_STATUS);
361 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
362 /* reset CP */
363 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
364 RREG32(R_0000F0_RBBM_SOFT_RESET);
365 mdelay(500);
366 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
367 mdelay(1);
368 status = RREG32(R_000E40_RBBM_STATUS);
369 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
370 /* reset MC */
371 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(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 /* restore PCI & busmastering */
379 pci_restore_state(rdev->pdev);
380 /* Check if GPU is idle */
381 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
382 dev_err(rdev->dev, "failed to reset GPU\n");
383 rdev->gpu_lockup = true;
384 ret = -1;
385 } else
386 dev_info(rdev->dev, "GPU reset succeed\n");
387 rv515_mc_resume(rdev, &save);
388 return ret;
389}
390
391/*
392 * GART.
393 */
394void rs600_gart_tlb_flush(struct radeon_device *rdev)
395{
396 uint32_t tmp;
397
398 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
399 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
400 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
401
402 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
403 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
404 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
405
406 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
407 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
408 WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
409 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
410}
411
412int rs600_gart_init(struct radeon_device *rdev)
413{
414 int r;
415
416 if (rdev->gart.table.vram.robj) {
417 WARN(1, "RS600 GART already initialized\n");
418 return 0;
419 }
420 /* Initialize common gart structure */
421 r = radeon_gart_init(rdev);
422 if (r) {
423 return r;
424 }
425 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
426 return radeon_gart_table_vram_alloc(rdev);
427}
428
429static int rs600_gart_enable(struct radeon_device *rdev)
430{
431 u32 tmp;
432 int r, i;
433
434 if (rdev->gart.table.vram.robj == NULL) {
435 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
436 return -EINVAL;
437 }
438 r = radeon_gart_table_vram_pin(rdev);
439 if (r)
440 return r;
441 radeon_gart_restore(rdev);
442 /* Enable bus master */
443 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
444 WREG32(RADEON_BUS_CNTL, tmp);
445 /* FIXME: setup default page */
446 WREG32_MC(R_000100_MC_PT0_CNTL,
447 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
448 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
449
450 for (i = 0; i < 19; i++) {
451 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
452 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
453 S_00016C_SYSTEM_ACCESS_MODE_MASK(
454 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
455 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
456 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
457 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
458 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
459 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
460 }
461 /* enable first context */
462 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
463 S_000102_ENABLE_PAGE_TABLE(1) |
464 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
465
466 /* disable all other contexts */
467 for (i = 1; i < 8; i++)
468 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
469
470 /* setup the page table */
471 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
472 rdev->gart.table_addr);
473 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
474 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
475 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
476
477 /* System context maps to VRAM space */
478 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
479 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
480
481 /* enable page tables */
482 tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
483 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
484 tmp = RREG32_MC(R_000009_MC_CNTL1);
485 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
486 rs600_gart_tlb_flush(rdev);
487 rdev->gart.ready = true;
488 return 0;
489}
490
491void rs600_gart_disable(struct radeon_device *rdev)
492{
493 u32 tmp;
494 int r;
495
496 /* FIXME: disable out of gart access */
497 WREG32_MC(R_000100_MC_PT0_CNTL, 0);
498 tmp = RREG32_MC(R_000009_MC_CNTL1);
499 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
500 if (rdev->gart.table.vram.robj) {
501 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
502 if (r == 0) {
503 radeon_bo_kunmap(rdev->gart.table.vram.robj);
504 radeon_bo_unpin(rdev->gart.table.vram.robj);
505 radeon_bo_unreserve(rdev->gart.table.vram.robj);
506 }
507 }
508}
509
510void rs600_gart_fini(struct radeon_device *rdev)
511{
512 radeon_gart_fini(rdev);
513 rs600_gart_disable(rdev);
514 radeon_gart_table_vram_free(rdev);
515}
516
517#define R600_PTE_VALID (1 << 0)
518#define R600_PTE_SYSTEM (1 << 1)
519#define R600_PTE_SNOOPED (1 << 2)
520#define R600_PTE_READABLE (1 << 5)
521#define R600_PTE_WRITEABLE (1 << 6)
522
523int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
524{
525 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
526
527 if (i < 0 || i > rdev->gart.num_gpu_pages) {
528 return -EINVAL;
529 }
530 addr = addr & 0xFFFFFFFFFFFFF000ULL;
531 addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
532 addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
533 writeq(addr, ptr + (i * 8));
534 return 0;
535}
536
537int rs600_irq_set(struct radeon_device *rdev)
538{
539 uint32_t tmp = 0;
540 uint32_t mode_int = 0;
541 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
542 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
543 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
544 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
545
546 if (!rdev->irq.installed) {
547 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
548 WREG32(R_000040_GEN_INT_CNTL, 0);
549 return -EINVAL;
550 }
551 if (rdev->irq.sw_int) {
552 tmp |= S_000040_SW_INT_EN(1);
553 }
554 if (rdev->irq.gui_idle) {
555 tmp |= S_000040_GUI_IDLE(1);
556 }
557 if (rdev->irq.crtc_vblank_int[0] ||
558 rdev->irq.pflip[0]) {
559 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
560 }
561 if (rdev->irq.crtc_vblank_int[1] ||
562 rdev->irq.pflip[1]) {
563 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
564 }
565 if (rdev->irq.hpd[0]) {
566 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
567 }
568 if (rdev->irq.hpd[1]) {
569 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
570 }
571 WREG32(R_000040_GEN_INT_CNTL, tmp);
572 WREG32(R_006540_DxMODE_INT_MASK, mode_int);
573 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
574 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
575 return 0;
576}
577
578static inline u32 rs600_irq_ack(struct radeon_device *rdev)
579{
580 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
581 uint32_t irq_mask = S_000044_SW_INT(1);
582 u32 tmp;
583
584 /* the interrupt works, but the status bit is permanently asserted */
585 if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
586 if (!rdev->irq.gui_idle_acked)
587 irq_mask |= S_000044_GUI_IDLE_STAT(1);
588 }
589
590 if (G_000044_DISPLAY_INT_STAT(irqs)) {
591 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
592 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
593 WREG32(R_006534_D1MODE_VBLANK_STATUS,
594 S_006534_D1MODE_VBLANK_ACK(1));
595 }
596 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
597 WREG32(R_006D34_D2MODE_VBLANK_STATUS,
598 S_006D34_D2MODE_VBLANK_ACK(1));
599 }
600 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
601 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
602 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
603 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
604 }
605 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
606 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
607 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
608 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
609 }
610 } else {
611 rdev->irq.stat_regs.r500.disp_int = 0;
612 }
613
614 if (irqs) {
615 WREG32(R_000044_GEN_INT_STATUS, irqs);
616 }
617 return irqs & irq_mask;
618}
619
620void rs600_irq_disable(struct radeon_device *rdev)
621{
622 WREG32(R_000040_GEN_INT_CNTL, 0);
623 WREG32(R_006540_DxMODE_INT_MASK, 0);
624 /* Wait and acknowledge irq */
625 mdelay(1);
626 rs600_irq_ack(rdev);
627}
628
629int rs600_irq_process(struct radeon_device *rdev)
630{
631 u32 status, msi_rearm;
632 bool queue_hotplug = false;
633
634 /* reset gui idle ack. the status bit is broken */
635 rdev->irq.gui_idle_acked = false;
636
637 status = rs600_irq_ack(rdev);
638 if (!status && !rdev->irq.stat_regs.r500.disp_int) {
639 return IRQ_NONE;
640 }
641 while (status || rdev->irq.stat_regs.r500.disp_int) {
642 /* SW interrupt */
643 if (G_000044_SW_INT(status)) {
644 radeon_fence_process(rdev);
645 }
646 /* GUI idle */
647 if (G_000040_GUI_IDLE(status)) {
648 rdev->irq.gui_idle_acked = true;
649 rdev->pm.gui_idle = true;
650 wake_up(&rdev->irq.idle_queue);
651 }
652 /* Vertical blank interrupts */
653 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
654 if (rdev->irq.crtc_vblank_int[0]) {
655 drm_handle_vblank(rdev->ddev, 0);
656 rdev->pm.vblank_sync = true;
657 wake_up(&rdev->irq.vblank_queue);
658 }
659 if (rdev->irq.pflip[0])
660 radeon_crtc_handle_flip(rdev, 0);
661 }
662 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
663 if (rdev->irq.crtc_vblank_int[1]) {
664 drm_handle_vblank(rdev->ddev, 1);
665 rdev->pm.vblank_sync = true;
666 wake_up(&rdev->irq.vblank_queue);
667 }
668 if (rdev->irq.pflip[1])
669 radeon_crtc_handle_flip(rdev, 1);
670 }
671 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
672 queue_hotplug = true;
673 DRM_DEBUG("HPD1\n");
674 }
675 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
676 queue_hotplug = true;
677 DRM_DEBUG("HPD2\n");
678 }
679 status = rs600_irq_ack(rdev);
680 }
681 /* reset gui idle ack. the status bit is broken */
682 rdev->irq.gui_idle_acked = false;
683 if (queue_hotplug)
684 schedule_work(&rdev->hotplug_work);
685 if (rdev->msi_enabled) {
686 switch (rdev->family) {
687 case CHIP_RS600:
688 case CHIP_RS690:
689 case CHIP_RS740:
690 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
691 WREG32(RADEON_BUS_CNTL, msi_rearm);
692 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
693 break;
694 default:
695 msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
696 WREG32(RADEON_MSI_REARM_EN, msi_rearm);
697 WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
698 break;
699 }
700 }
701 return IRQ_HANDLED;
702}
703
704u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
705{
706 if (crtc == 0)
707 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
708 else
709 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
710}
711
712int rs600_mc_wait_for_idle(struct radeon_device *rdev)
713{
714 unsigned i;
715
716 for (i = 0; i < rdev->usec_timeout; i++) {
717 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
718 return 0;
719 udelay(1);
720 }
721 return -1;
722}
723
724void rs600_gpu_init(struct radeon_device *rdev)
725{
726 r420_pipes_init(rdev);
727 /* Wait for mc idle */
728 if (rs600_mc_wait_for_idle(rdev))
729 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
730}
731
732void rs600_mc_init(struct radeon_device *rdev)
733{
734 u64 base;
735
736 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
737 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
738 rdev->mc.vram_is_ddr = true;
739 rdev->mc.vram_width = 128;
740 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
741 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
742 rdev->mc.visible_vram_size = rdev->mc.aper_size;
743 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
744 base = RREG32_MC(R_000004_MC_FB_LOCATION);
745 base = G_000004_MC_FB_START(base) << 16;
746 radeon_vram_location(rdev, &rdev->mc, base);
747 rdev->mc.gtt_base_align = 0;
748 radeon_gtt_location(rdev, &rdev->mc);
749 radeon_update_bandwidth_info(rdev);
750}
751
752void rs600_bandwidth_update(struct radeon_device *rdev)
753{
754 struct drm_display_mode *mode0 = NULL;
755 struct drm_display_mode *mode1 = NULL;
756 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
757 /* FIXME: implement full support */
758
759 radeon_update_display_priority(rdev);
760
761 if (rdev->mode_info.crtcs[0]->base.enabled)
762 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
763 if (rdev->mode_info.crtcs[1]->base.enabled)
764 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
765
766 rs690_line_buffer_adjust(rdev, mode0, mode1);
767
768 if (rdev->disp_priority == 2) {
769 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
770 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
771 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
772 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
773 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
774 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
775 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
776 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
777 }
778}
779
780uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
781{
782 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
783 S_000070_MC_IND_CITF_ARB0(1));
784 return RREG32(R_000074_MC_IND_DATA);
785}
786
787void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
788{
789 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
790 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
791 WREG32(R_000074_MC_IND_DATA, v);
792}
793
794void rs600_debugfs(struct radeon_device *rdev)
795{
796 if (r100_debugfs_rbbm_init(rdev))
797 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
798}
799
800void rs600_set_safe_registers(struct radeon_device *rdev)
801{
802 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
803 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
804}
805
806static void rs600_mc_program(struct radeon_device *rdev)
807{
808 struct rv515_mc_save save;
809
810 /* Stops all mc clients */
811 rv515_mc_stop(rdev, &save);
812
813 /* Wait for mc idle */
814 if (rs600_mc_wait_for_idle(rdev))
815 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
816
817 /* FIXME: What does AGP means for such chipset ? */
818 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
819 WREG32_MC(R_000006_AGP_BASE, 0);
820 WREG32_MC(R_000007_AGP_BASE_2, 0);
821 /* Program MC */
822 WREG32_MC(R_000004_MC_FB_LOCATION,
823 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
824 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
825 WREG32(R_000134_HDP_FB_LOCATION,
826 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
827
828 rv515_mc_resume(rdev, &save);
829}
830
831static int rs600_startup(struct radeon_device *rdev)
832{
833 int r;
834
835 rs600_mc_program(rdev);
836 /* Resume clock */
837 rv515_clock_startup(rdev);
838 /* Initialize GPU configuration (# pipes, ...) */
839 rs600_gpu_init(rdev);
840 /* Initialize GART (initialize after TTM so we can allocate
841 * memory through TTM but finalize after TTM) */
842 r = rs600_gart_enable(rdev);
843 if (r)
844 return r;
845
846 /* allocate wb buffer */
847 r = radeon_wb_init(rdev);
848 if (r)
849 return r;
850
851 /* Enable IRQ */
852 rs600_irq_set(rdev);
853 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
854 /* 1M ring buffer */
855 r = r100_cp_init(rdev, 1024 * 1024);
856 if (r) {
857 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
858 return r;
859 }
860 r = r100_ib_init(rdev);
861 if (r) {
862 dev_err(rdev->dev, "failed initializing IB (%d).\n", r);
863 return r;
864 }
865
866 r = r600_audio_init(rdev);
867 if (r) {
868 dev_err(rdev->dev, "failed initializing audio\n");
869 return r;
870 }
871
872 return 0;
873}
874
875int rs600_resume(struct radeon_device *rdev)
876{
877 /* Make sur GART are not working */
878 rs600_gart_disable(rdev);
879 /* Resume clock before doing reset */
880 rv515_clock_startup(rdev);
881 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
882 if (radeon_asic_reset(rdev)) {
883 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
884 RREG32(R_000E40_RBBM_STATUS),
885 RREG32(R_0007C0_CP_STAT));
886 }
887 /* post */
888 atom_asic_init(rdev->mode_info.atom_context);
889 /* Resume clock after posting */
890 rv515_clock_startup(rdev);
891 /* Initialize surface registers */
892 radeon_surface_init(rdev);
893 return rs600_startup(rdev);
894}
895
896int rs600_suspend(struct radeon_device *rdev)
897{
898 r600_audio_fini(rdev);
899 r100_cp_disable(rdev);
900 radeon_wb_disable(rdev);
901 rs600_irq_disable(rdev);
902 rs600_gart_disable(rdev);
903 return 0;
904}
905
906void rs600_fini(struct radeon_device *rdev)
907{
908 r600_audio_fini(rdev);
909 r100_cp_fini(rdev);
910 radeon_wb_fini(rdev);
911 r100_ib_fini(rdev);
912 radeon_gem_fini(rdev);
913 rs600_gart_fini(rdev);
914 radeon_irq_kms_fini(rdev);
915 radeon_fence_driver_fini(rdev);
916 radeon_bo_fini(rdev);
917 radeon_atombios_fini(rdev);
918 kfree(rdev->bios);
919 rdev->bios = NULL;
920}
921
922int rs600_init(struct radeon_device *rdev)
923{
924 int r;
925
926 /* Disable VGA */
927 rv515_vga_render_disable(rdev);
928 /* Initialize scratch registers */
929 radeon_scratch_init(rdev);
930 /* Initialize surface registers */
931 radeon_surface_init(rdev);
932 /* restore some register to sane defaults */
933 r100_restore_sanity(rdev);
934 /* BIOS */
935 if (!radeon_get_bios(rdev)) {
936 if (ASIC_IS_AVIVO(rdev))
937 return -EINVAL;
938 }
939 if (rdev->is_atom_bios) {
940 r = radeon_atombios_init(rdev);
941 if (r)
942 return r;
943 } else {
944 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
945 return -EINVAL;
946 }
947 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
948 if (radeon_asic_reset(rdev)) {
949 dev_warn(rdev->dev,
950 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
951 RREG32(R_000E40_RBBM_STATUS),
952 RREG32(R_0007C0_CP_STAT));
953 }
954 /* check if cards are posted or not */
955 if (radeon_boot_test_post_card(rdev) == false)
956 return -EINVAL;
957
958 /* Initialize clocks */
959 radeon_get_clock_info(rdev->ddev);
960 /* initialize memory controller */
961 rs600_mc_init(rdev);
962 rs600_debugfs(rdev);
963 /* Fence driver */
964 r = radeon_fence_driver_init(rdev);
965 if (r)
966 return r;
967 r = radeon_irq_kms_init(rdev);
968 if (r)
969 return r;
970 /* Memory manager */
971 r = radeon_bo_init(rdev);
972 if (r)
973 return r;
974 r = rs600_gart_init(rdev);
975 if (r)
976 return r;
977 rs600_set_safe_registers(rdev);
978 rdev->accel_working = true;
979 r = rs600_startup(rdev);
980 if (r) {
981 /* Somethings want wront with the accel init stop accel */
982 dev_err(rdev->dev, "Disabling GPU acceleration\n");
983 r100_cp_fini(rdev);
984 radeon_wb_fini(rdev);
985 r100_ib_fini(rdev);
986 rs600_gart_fini(rdev);
987 radeon_irq_kms_fini(rdev);
988 rdev->accel_working = false;
989 }
990 return 0;
991}
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}