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Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / radeon / evergreen.c
blob789441ed98373e045858047b527aa581ef686b2a
1 /*
2 * Copyright 2010 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Alex Deucher
23 */
24 #include <linux/firmware.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
27 #include "drmP.h"
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include "radeon_drm.h"
31 #include "evergreend.h"
32 #include "atom.h"
33 #include "avivod.h"
34 #include "evergreen_reg.h"
35 #include "evergreen_blit_shaders.h"
36
37 #define EVERGREEN_PFP_UCODE_SIZE 1120
38 #define EVERGREEN_PM4_UCODE_SIZE 1376
39
40 static void evergreen_gpu_init(struct radeon_device *rdev);
41 void evergreen_fini(struct radeon_device *rdev);
42 static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
43
44 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
45 {
46 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
47 u32 tmp;
48
49 /* make sure flip is at vb rather than hb */
50 tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
51 tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
52 WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
53
54 /* set pageflip to happen anywhere in vblank interval */
55 WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
56
57 /* enable the pflip int */
58 radeon_irq_kms_pflip_irq_get(rdev, crtc);
59 }
60
61 void evergreen_post_page_flip(struct radeon_device *rdev, int crtc)
62 {
63 /* disable the pflip int */
64 radeon_irq_kms_pflip_irq_put(rdev, crtc);
65 }
66
67 u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
68 {
69 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
70 u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
71
72 /* Lock the graphics update lock */
73 tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
74 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
75
76 /* update the scanout addresses */
77 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
78 upper_32_bits(crtc_base));
79 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
80 (u32)crtc_base);
81
82 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
83 upper_32_bits(crtc_base));
84 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
85 (u32)crtc_base);
86
87 /* Wait for update_pending to go high. */
88 while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING));
89 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
90
91 /* Unlock the lock, so double-buffering can take place inside vblank */
92 tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
93 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
94
95 /* Return current update_pending status: */
96 return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING;
97 }
98
99 /* get temperature in millidegrees */
100 int evergreen_get_temp(struct radeon_device *rdev)
101 {
102 u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
103 ASIC_T_SHIFT;
104 u32 actual_temp = 0;
105
106 if (temp & 0x400)
107 actual_temp = -256;
108 else if (temp & 0x200)
109 actual_temp = 255;
110 else if (temp & 0x100) {
111 actual_temp = temp & 0x1ff;
112 actual_temp |= ~0x1ff;
113 } else
114 actual_temp = temp & 0xff;
115
116 return (actual_temp * 1000) / 2;
117 }
118
119 int sumo_get_temp(struct radeon_device *rdev)
120 {
121 u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
122 int actual_temp = temp - 49;
123
124 return actual_temp * 1000;
125 }
126
127 void evergreen_pm_misc(struct radeon_device *rdev)
128 {
129 int req_ps_idx = rdev->pm.requested_power_state_index;
130 int req_cm_idx = rdev->pm.requested_clock_mode_index;
131 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
132 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
133
134 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
135 if (voltage->voltage != rdev->pm.current_vddc) {
136 radeon_atom_set_voltage(rdev, voltage->voltage);
137 rdev->pm.current_vddc = voltage->voltage;
138 DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
139 }
140 }
141 }
142
143 void evergreen_pm_prepare(struct radeon_device *rdev)
144 {
145 struct drm_device *ddev = rdev->ddev;
146 struct drm_crtc *crtc;
147 struct radeon_crtc *radeon_crtc;
148 u32 tmp;
149
150 /* disable any active CRTCs */
151 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
152 radeon_crtc = to_radeon_crtc(crtc);
153 if (radeon_crtc->enabled) {
154 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
155 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
156 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
157 }
158 }
159 }
160
161 void evergreen_pm_finish(struct radeon_device *rdev)
162 {
163 struct drm_device *ddev = rdev->ddev;
164 struct drm_crtc *crtc;
165 struct radeon_crtc *radeon_crtc;
166 u32 tmp;
167
168 /* enable any active CRTCs */
169 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
170 radeon_crtc = to_radeon_crtc(crtc);
171 if (radeon_crtc->enabled) {
172 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
173 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
174 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
175 }
176 }
177 }
178
179 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
180 {
181 bool connected = false;
182
183 switch (hpd) {
184 case RADEON_HPD_1:
185 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
186 connected = true;
187 break;
188 case RADEON_HPD_2:
189 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
190 connected = true;
191 break;
192 case RADEON_HPD_3:
193 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
194 connected = true;
195 break;
196 case RADEON_HPD_4:
197 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
198 connected = true;
199 break;
200 case RADEON_HPD_5:
201 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
202 connected = true;
203 break;
204 case RADEON_HPD_6:
205 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
206 connected = true;
207 break;
208 default:
209 break;
210 }
211
212 return connected;
213 }
214
215 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
216 enum radeon_hpd_id hpd)
217 {
218 u32 tmp;
219 bool connected = evergreen_hpd_sense(rdev, hpd);
220
221 switch (hpd) {
222 case RADEON_HPD_1:
223 tmp = RREG32(DC_HPD1_INT_CONTROL);
224 if (connected)
225 tmp &= ~DC_HPDx_INT_POLARITY;
226 else
227 tmp |= DC_HPDx_INT_POLARITY;
228 WREG32(DC_HPD1_INT_CONTROL, tmp);
229 break;
230 case RADEON_HPD_2:
231 tmp = RREG32(DC_HPD2_INT_CONTROL);
232 if (connected)
233 tmp &= ~DC_HPDx_INT_POLARITY;
234 else
235 tmp |= DC_HPDx_INT_POLARITY;
236 WREG32(DC_HPD2_INT_CONTROL, tmp);
237 break;
238 case RADEON_HPD_3:
239 tmp = RREG32(DC_HPD3_INT_CONTROL);
240 if (connected)
241 tmp &= ~DC_HPDx_INT_POLARITY;
242 else
243 tmp |= DC_HPDx_INT_POLARITY;
244 WREG32(DC_HPD3_INT_CONTROL, tmp);
245 break;
246 case RADEON_HPD_4:
247 tmp = RREG32(DC_HPD4_INT_CONTROL);
248 if (connected)
249 tmp &= ~DC_HPDx_INT_POLARITY;
250 else
251 tmp |= DC_HPDx_INT_POLARITY;
252 WREG32(DC_HPD4_INT_CONTROL, tmp);
253 break;
254 case RADEON_HPD_5:
255 tmp = RREG32(DC_HPD5_INT_CONTROL);
256 if (connected)
257 tmp &= ~DC_HPDx_INT_POLARITY;
258 else
259 tmp |= DC_HPDx_INT_POLARITY;
260 WREG32(DC_HPD5_INT_CONTROL, tmp);
261 break;
262 case RADEON_HPD_6:
263 tmp = RREG32(DC_HPD6_INT_CONTROL);
264 if (connected)
265 tmp &= ~DC_HPDx_INT_POLARITY;
266 else
267 tmp |= DC_HPDx_INT_POLARITY;
268 WREG32(DC_HPD6_INT_CONTROL, tmp);
269 break;
270 default:
271 break;
272 }
273 }
274
275 void evergreen_hpd_init(struct radeon_device *rdev)
276 {
277 struct drm_device *dev = rdev->ddev;
278 struct drm_connector *connector;
279 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
280 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
281
282 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
283 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
284 switch (radeon_connector->hpd.hpd) {
285 case RADEON_HPD_1:
286 WREG32(DC_HPD1_CONTROL, tmp);
287 rdev->irq.hpd[0] = true;
288 break;
289 case RADEON_HPD_2:
290 WREG32(DC_HPD2_CONTROL, tmp);
291 rdev->irq.hpd[1] = true;
292 break;
293 case RADEON_HPD_3:
294 WREG32(DC_HPD3_CONTROL, tmp);
295 rdev->irq.hpd[2] = true;
296 break;
297 case RADEON_HPD_4:
298 WREG32(DC_HPD4_CONTROL, tmp);
299 rdev->irq.hpd[3] = true;
300 break;
301 case RADEON_HPD_5:
302 WREG32(DC_HPD5_CONTROL, tmp);
303 rdev->irq.hpd[4] = true;
304 break;
305 case RADEON_HPD_6:
306 WREG32(DC_HPD6_CONTROL, tmp);
307 rdev->irq.hpd[5] = true;
308 break;
309 default:
310 break;
311 }
312 }
313 if (rdev->irq.installed)
314 evergreen_irq_set(rdev);
315 }
316
317 void evergreen_hpd_fini(struct radeon_device *rdev)
318 {
319 struct drm_device *dev = rdev->ddev;
320 struct drm_connector *connector;
321
322 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
323 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
324 switch (radeon_connector->hpd.hpd) {
325 case RADEON_HPD_1:
326 WREG32(DC_HPD1_CONTROL, 0);
327 rdev->irq.hpd[0] = false;
328 break;
329 case RADEON_HPD_2:
330 WREG32(DC_HPD2_CONTROL, 0);
331 rdev->irq.hpd[1] = false;
332 break;
333 case RADEON_HPD_3:
334 WREG32(DC_HPD3_CONTROL, 0);
335 rdev->irq.hpd[2] = false;
336 break;
337 case RADEON_HPD_4:
338 WREG32(DC_HPD4_CONTROL, 0);
339 rdev->irq.hpd[3] = false;
340 break;
341 case RADEON_HPD_5:
342 WREG32(DC_HPD5_CONTROL, 0);
343 rdev->irq.hpd[4] = false;
344 break;
345 case RADEON_HPD_6:
346 WREG32(DC_HPD6_CONTROL, 0);
347 rdev->irq.hpd[5] = false;
348 break;
349 default:
350 break;
351 }
352 }
353 }
354
355 /* watermark setup */
356
357 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
358 struct radeon_crtc *radeon_crtc,
359 struct drm_display_mode *mode,
360 struct drm_display_mode *other_mode)
361 {
362 u32 tmp = 0;
363 /*
364 * Line Buffer Setup
365 * There are 3 line buffers, each one shared by 2 display controllers.
366 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
367 * the display controllers. The paritioning is done via one of four
368 * preset allocations specified in bits 2:0:
369 * first display controller
370 * 0 - first half of lb (3840 * 2)
371 * 1 - first 3/4 of lb (5760 * 2)
372 * 2 - whole lb (7680 * 2)
373 * 3 - first 1/4 of lb (1920 * 2)
374 * second display controller
375 * 4 - second half of lb (3840 * 2)
376 * 5 - second 3/4 of lb (5760 * 2)
377 * 6 - whole lb (7680 * 2)
378 * 7 - last 1/4 of lb (1920 * 2)
379 */
380 if (mode && other_mode) {
381 if (mode->hdisplay > other_mode->hdisplay) {
382 if (mode->hdisplay > 2560)
383 tmp = 1; /* 3/4 */
384 else
385 tmp = 0; /* 1/2 */
386 } else if (other_mode->hdisplay > mode->hdisplay) {
387 if (other_mode->hdisplay > 2560)
388 tmp = 3; /* 1/4 */
389 else
390 tmp = 0; /* 1/2 */
391 } else
392 tmp = 0; /* 1/2 */
393 } else if (mode)
394 tmp = 2; /* whole */
395 else if (other_mode)
396 tmp = 3; /* 1/4 */
397
398 /* second controller of the pair uses second half of the lb */
399 if (radeon_crtc->crtc_id % 2)
400 tmp += 4;
401 WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
402
403 switch (tmp) {
404 case 0:
405 case 4:
406 default:
407 if (ASIC_IS_DCE5(rdev))
408 return 4096 * 2;
409 else
410 return 3840 * 2;
411 case 1:
412 case 5:
413 if (ASIC_IS_DCE5(rdev))
414 return 6144 * 2;
415 else
416 return 5760 * 2;
417 case 2:
418 case 6:
419 if (ASIC_IS_DCE5(rdev))
420 return 8192 * 2;
421 else
422 return 7680 * 2;
423 case 3:
424 case 7:
425 if (ASIC_IS_DCE5(rdev))
426 return 2048 * 2;
427 else
428 return 1920 * 2;
429 }
430 }
431
432 static u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
433 {
434 u32 tmp = RREG32(MC_SHARED_CHMAP);
435
436 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
437 case 0:
438 default:
439 return 1;
440 case 1:
441 return 2;
442 case 2:
443 return 4;
444 case 3:
445 return 8;
446 }
447 }
448
449 struct evergreen_wm_params {
450 u32 dram_channels; /* number of dram channels */
451 u32 yclk; /* bandwidth per dram data pin in kHz */
452 u32 sclk; /* engine clock in kHz */
453 u32 disp_clk; /* display clock in kHz */
454 u32 src_width; /* viewport width */
455 u32 active_time; /* active display time in ns */
456 u32 blank_time; /* blank time in ns */
457 bool interlaced; /* mode is interlaced */
458 fixed20_12 vsc; /* vertical scale ratio */
459 u32 num_heads; /* number of active crtcs */
460 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
461 u32 lb_size; /* line buffer allocated to pipe */
462 u32 vtaps; /* vertical scaler taps */
463 };
464
465 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
466 {
467 /* Calculate DRAM Bandwidth and the part allocated to display. */
468 fixed20_12 dram_efficiency; /* 0.7 */
469 fixed20_12 yclk, dram_channels, bandwidth;
470 fixed20_12 a;
471
472 a.full = dfixed_const(1000);
473 yclk.full = dfixed_const(wm->yclk);
474 yclk.full = dfixed_div(yclk, a);
475 dram_channels.full = dfixed_const(wm->dram_channels * 4);
476 a.full = dfixed_const(10);
477 dram_efficiency.full = dfixed_const(7);
478 dram_efficiency.full = dfixed_div(dram_efficiency, a);
479 bandwidth.full = dfixed_mul(dram_channels, yclk);
480 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
481
482 return dfixed_trunc(bandwidth);
483 }
484
485 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
486 {
487 /* Calculate DRAM Bandwidth and the part allocated to display. */
488 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
489 fixed20_12 yclk, dram_channels, bandwidth;
490 fixed20_12 a;
491
492 a.full = dfixed_const(1000);
493 yclk.full = dfixed_const(wm->yclk);
494 yclk.full = dfixed_div(yclk, a);
495 dram_channels.full = dfixed_const(wm->dram_channels * 4);
496 a.full = dfixed_const(10);
497 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
498 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
499 bandwidth.full = dfixed_mul(dram_channels, yclk);
500 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
501
502 return dfixed_trunc(bandwidth);
503 }
504
505 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
506 {
507 /* Calculate the display Data return Bandwidth */
508 fixed20_12 return_efficiency; /* 0.8 */
509 fixed20_12 sclk, bandwidth;
510 fixed20_12 a;
511
512 a.full = dfixed_const(1000);
513 sclk.full = dfixed_const(wm->sclk);
514 sclk.full = dfixed_div(sclk, a);
515 a.full = dfixed_const(10);
516 return_efficiency.full = dfixed_const(8);
517 return_efficiency.full = dfixed_div(return_efficiency, a);
518 a.full = dfixed_const(32);
519 bandwidth.full = dfixed_mul(a, sclk);
520 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
521
522 return dfixed_trunc(bandwidth);
523 }
524
525 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
526 {
527 /* Calculate the DMIF Request Bandwidth */
528 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
529 fixed20_12 disp_clk, bandwidth;
530 fixed20_12 a;
531
532 a.full = dfixed_const(1000);
533 disp_clk.full = dfixed_const(wm->disp_clk);
534 disp_clk.full = dfixed_div(disp_clk, a);
535 a.full = dfixed_const(10);
536 disp_clk_request_efficiency.full = dfixed_const(8);
537 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
538 a.full = dfixed_const(32);
539 bandwidth.full = dfixed_mul(a, disp_clk);
540 bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
541
542 return dfixed_trunc(bandwidth);
543 }
544
545 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
546 {
547 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
548 u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
549 u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
550 u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
551
552 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
553 }
554
555 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
556 {
557 /* Calculate the display mode Average Bandwidth
558 * DisplayMode should contain the source and destination dimensions,
559 * timing, etc.
560 */
561 fixed20_12 bpp;
562 fixed20_12 line_time;
563 fixed20_12 src_width;
564 fixed20_12 bandwidth;
565 fixed20_12 a;
566
567 a.full = dfixed_const(1000);
568 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
569 line_time.full = dfixed_div(line_time, a);
570 bpp.full = dfixed_const(wm->bytes_per_pixel);
571 src_width.full = dfixed_const(wm->src_width);
572 bandwidth.full = dfixed_mul(src_width, bpp);
573 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
574 bandwidth.full = dfixed_div(bandwidth, line_time);
575
576 return dfixed_trunc(bandwidth);
577 }
578
579 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
580 {
581 /* First calcualte the latency in ns */
582 u32 mc_latency = 2000; /* 2000 ns. */
583 u32 available_bandwidth = evergreen_available_bandwidth(wm);
584 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
585 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
586 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
587 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
588 (wm->num_heads * cursor_line_pair_return_time);
589 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
590 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
591 fixed20_12 a, b, c;
592
593 if (wm->num_heads == 0)
594 return 0;
595
596 a.full = dfixed_const(2);
597 b.full = dfixed_const(1);
598 if ((wm->vsc.full > a.full) ||
599 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
600 (wm->vtaps >= 5) ||
601 ((wm->vsc.full >= a.full) && wm->interlaced))
602 max_src_lines_per_dst_line = 4;
603 else
604 max_src_lines_per_dst_line = 2;
605
606 a.full = dfixed_const(available_bandwidth);
607 b.full = dfixed_const(wm->num_heads);
608 a.full = dfixed_div(a, b);
609
610 b.full = dfixed_const(1000);
611 c.full = dfixed_const(wm->disp_clk);
612 b.full = dfixed_div(c, b);
613 c.full = dfixed_const(wm->bytes_per_pixel);
614 b.full = dfixed_mul(b, c);
615
616 lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));
617
618 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
619 b.full = dfixed_const(1000);
620 c.full = dfixed_const(lb_fill_bw);
621 b.full = dfixed_div(c, b);
622 a.full = dfixed_div(a, b);
623 line_fill_time = dfixed_trunc(a);
624
625 if (line_fill_time < wm->active_time)
626 return latency;
627 else
628 return latency + (line_fill_time - wm->active_time);
629
630 }
631
632 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
633 {
634 if (evergreen_average_bandwidth(wm) <=
635 (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
636 return true;
637 else
638 return false;
639 };
640
641 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
642 {
643 if (evergreen_average_bandwidth(wm) <=
644 (evergreen_available_bandwidth(wm) / wm->num_heads))
645 return true;
646 else
647 return false;
648 };
649
650 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
651 {
652 u32 lb_partitions = wm->lb_size / wm->src_width;
653 u32 line_time = wm->active_time + wm->blank_time;
654 u32 latency_tolerant_lines;
655 u32 latency_hiding;
656 fixed20_12 a;
657
658 a.full = dfixed_const(1);
659 if (wm->vsc.full > a.full)
660 latency_tolerant_lines = 1;
661 else {
662 if (lb_partitions <= (wm->vtaps + 1))
663 latency_tolerant_lines = 1;
664 else
665 latency_tolerant_lines = 2;
666 }
667
668 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
669
670 if (evergreen_latency_watermark(wm) <= latency_hiding)
671 return true;
672 else
673 return false;
674 }
675
676 static void evergreen_program_watermarks(struct radeon_device *rdev,
677 struct radeon_crtc *radeon_crtc,
678 u32 lb_size, u32 num_heads)
679 {
680 struct drm_display_mode *mode = &radeon_crtc->base.mode;
681 struct evergreen_wm_params wm;
682 u32 pixel_period;
683 u32 line_time = 0;
684 u32 latency_watermark_a = 0, latency_watermark_b = 0;
685 u32 priority_a_mark = 0, priority_b_mark = 0;
686 u32 priority_a_cnt = PRIORITY_OFF;
687 u32 priority_b_cnt = PRIORITY_OFF;
688 u32 pipe_offset = radeon_crtc->crtc_id * 16;
689 u32 tmp, arb_control3;
690 fixed20_12 a, b, c;
691
692 if (radeon_crtc->base.enabled && num_heads && mode) {
693 pixel_period = 1000000 / (u32)mode->clock;
694 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
695 priority_a_cnt = 0;
696 priority_b_cnt = 0;
697
698 wm.yclk = rdev->pm.current_mclk * 10;
699 wm.sclk = rdev->pm.current_sclk * 10;
700 wm.disp_clk = mode->clock;
701 wm.src_width = mode->crtc_hdisplay;
702 wm.active_time = mode->crtc_hdisplay * pixel_period;
703 wm.blank_time = line_time - wm.active_time;
704 wm.interlaced = false;
705 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
706 wm.interlaced = true;
707 wm.vsc = radeon_crtc->vsc;
708 wm.vtaps = 1;
709 if (radeon_crtc->rmx_type != RMX_OFF)
710 wm.vtaps = 2;
711 wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
712 wm.lb_size = lb_size;
713 wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
714 wm.num_heads = num_heads;
715
716 /* set for high clocks */
717 latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535);
718 /* set for low clocks */
719 /* wm.yclk = low clk; wm.sclk = low clk */
720 latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535);
721
722 /* possibly force display priority to high */
723 /* should really do this at mode validation time... */
724 if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
725 !evergreen_average_bandwidth_vs_available_bandwidth(&wm) ||
726 !evergreen_check_latency_hiding(&wm) ||
727 (rdev->disp_priority == 2)) {
728 DRM_INFO("force priority to high\n");
729 priority_a_cnt |= PRIORITY_ALWAYS_ON;
730 priority_b_cnt |= PRIORITY_ALWAYS_ON;
731 }
732
733 a.full = dfixed_const(1000);
734 b.full = dfixed_const(mode->clock);
735 b.full = dfixed_div(b, a);
736 c.full = dfixed_const(latency_watermark_a);
737 c.full = dfixed_mul(c, b);
738 c.full = dfixed_mul(c, radeon_crtc->hsc);
739 c.full = dfixed_div(c, a);
740 a.full = dfixed_const(16);
741 c.full = dfixed_div(c, a);
742 priority_a_mark = dfixed_trunc(c);
743 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
744
745 a.full = dfixed_const(1000);
746 b.full = dfixed_const(mode->clock);
747 b.full = dfixed_div(b, a);
748 c.full = dfixed_const(latency_watermark_b);
749 c.full = dfixed_mul(c, b);
750 c.full = dfixed_mul(c, radeon_crtc->hsc);
751 c.full = dfixed_div(c, a);
752 a.full = dfixed_const(16);
753 c.full = dfixed_div(c, a);
754 priority_b_mark = dfixed_trunc(c);
755 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
756 }
757
758 /* select wm A */
759 arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
760 tmp = arb_control3;
761 tmp &= ~LATENCY_WATERMARK_MASK(3);
762 tmp |= LATENCY_WATERMARK_MASK(1);
763 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
764 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
765 (LATENCY_LOW_WATERMARK(latency_watermark_a) |
766 LATENCY_HIGH_WATERMARK(line_time)));
767 /* select wm B */
768 tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
769 tmp &= ~LATENCY_WATERMARK_MASK(3);
770 tmp |= LATENCY_WATERMARK_MASK(2);
771 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
772 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
773 (LATENCY_LOW_WATERMARK(latency_watermark_b) |
774 LATENCY_HIGH_WATERMARK(line_time)));
775 /* restore original selection */
776 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
777
778 /* write the priority marks */
779 WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
780 WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
781
782 }
783
784 void evergreen_bandwidth_update(struct radeon_device *rdev)
785 {
786 struct drm_display_mode *mode0 = NULL;
787 struct drm_display_mode *mode1 = NULL;
788 u32 num_heads = 0, lb_size;
789 int i;
790
791 radeon_update_display_priority(rdev);
792
793 for (i = 0; i < rdev->num_crtc; i++) {
794 if (rdev->mode_info.crtcs[i]->base.enabled)
795 num_heads++;
796 }
797 for (i = 0; i < rdev->num_crtc; i += 2) {
798 mode0 = &rdev->mode_info.crtcs[i]->base.mode;
799 mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
800 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
801 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
802 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
803 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
804 }
805 }
806
807 int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
808 {
809 unsigned i;
810 u32 tmp;
811
812 for (i = 0; i < rdev->usec_timeout; i++) {
813 /* read MC_STATUS */
814 tmp = RREG32(SRBM_STATUS) & 0x1F00;
815 if (!tmp)
816 return 0;
817 udelay(1);
818 }
819 return -1;
820 }
821
822 /*
823 * GART
824 */
825 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
826 {
827 unsigned i;
828 u32 tmp;
829
830 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
831
832 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
833 for (i = 0; i < rdev->usec_timeout; i++) {
834 /* read MC_STATUS */
835 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
836 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
837 if (tmp == 2) {
838 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
839 return;
840 }
841 if (tmp) {
842 return;
843 }
844 udelay(1);
845 }
846 }
847
848 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
849 {
850 u32 tmp;
851 int r;
852
853 if (rdev->gart.table.vram.robj == NULL) {
854 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
855 return -EINVAL;
856 }
857 r = radeon_gart_table_vram_pin(rdev);
858 if (r)
859 return r;
860 radeon_gart_restore(rdev);
861 /* Setup L2 cache */
862 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
863 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
864 EFFECTIVE_L2_QUEUE_SIZE(7));
865 WREG32(VM_L2_CNTL2, 0);
866 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
867 /* Setup TLB control */
868 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
869 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
870 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
871 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
872 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
873 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
874 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
875 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
876 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
877 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
878 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
879 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
880 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
881 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
882 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
883 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
884 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
885 (u32)(rdev->dummy_page.addr >> 12));
886 WREG32(VM_CONTEXT1_CNTL, 0);
887
888 evergreen_pcie_gart_tlb_flush(rdev);
889 rdev->gart.ready = true;
890 return 0;
891 }
892
893 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
894 {
895 u32 tmp;
896 int r;
897
898 /* Disable all tables */
899 WREG32(VM_CONTEXT0_CNTL, 0);
900 WREG32(VM_CONTEXT1_CNTL, 0);
901
902 /* Setup L2 cache */
903 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
904 EFFECTIVE_L2_QUEUE_SIZE(7));
905 WREG32(VM_L2_CNTL2, 0);
906 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
907 /* Setup TLB control */
908 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
909 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
910 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
911 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
912 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
913 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
914 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
915 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
916 if (rdev->gart.table.vram.robj) {
917 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
918 if (likely(r == 0)) {
919 radeon_bo_kunmap(rdev->gart.table.vram.robj);
920 radeon_bo_unpin(rdev->gart.table.vram.robj);
921 radeon_bo_unreserve(rdev->gart.table.vram.robj);
922 }
923 }
924 }
925
926 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
927 {
928 evergreen_pcie_gart_disable(rdev);
929 radeon_gart_table_vram_free(rdev);
930 radeon_gart_fini(rdev);
931 }
932
933
934 void evergreen_agp_enable(struct radeon_device *rdev)
935 {
936 u32 tmp;
937
938 /* Setup L2 cache */
939 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
940 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
941 EFFECTIVE_L2_QUEUE_SIZE(7));
942 WREG32(VM_L2_CNTL2, 0);
943 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
944 /* Setup TLB control */
945 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
946 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
947 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
948 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
949 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
950 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
951 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
952 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
953 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
954 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
955 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
956 WREG32(VM_CONTEXT0_CNTL, 0);
957 WREG32(VM_CONTEXT1_CNTL, 0);
958 }
959
960 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
961 {
962 save->vga_control[0] = RREG32(D1VGA_CONTROL);
963 save->vga_control[1] = RREG32(D2VGA_CONTROL);
964 save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
965 save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
966 save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
967 save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
968 save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
969 save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
970 save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
971 save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
972 if (!(rdev->flags & RADEON_IS_IGP)) {
973 save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
974 save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
975 save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
976 save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
977 }
978
979 /* Stop all video */
980 WREG32(VGA_RENDER_CONTROL, 0);
981 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
982 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
983 if (!(rdev->flags & RADEON_IS_IGP)) {
984 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
985 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
986 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
987 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
988 }
989 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
990 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
991 if (!(rdev->flags & RADEON_IS_IGP)) {
992 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
993 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
994 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
995 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
996 }
997 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
998 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
999 if (!(rdev->flags & RADEON_IS_IGP)) {
1000 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1001 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1002 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1003 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1004 }
1005
1006 WREG32(D1VGA_CONTROL, 0);
1007 WREG32(D2VGA_CONTROL, 0);
1008 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1009 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1010 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1011 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1012 }
1013
1014 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1015 {
1016 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
1017 upper_32_bits(rdev->mc.vram_start));
1018 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
1019 upper_32_bits(rdev->mc.vram_start));
1020 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1021 (u32)rdev->mc.vram_start);
1022 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1023 (u32)rdev->mc.vram_start);
1024
1025 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
1026 upper_32_bits(rdev->mc.vram_start));
1027 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
1028 upper_32_bits(rdev->mc.vram_start));
1029 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1030 (u32)rdev->mc.vram_start);
1031 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1032 (u32)rdev->mc.vram_start);
1033
1034 if (!(rdev->flags & RADEON_IS_IGP)) {
1035 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
1036 upper_32_bits(rdev->mc.vram_start));
1037 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
1038 upper_32_bits(rdev->mc.vram_start));
1039 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1040 (u32)rdev->mc.vram_start);
1041 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1042 (u32)rdev->mc.vram_start);
1043
1044 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
1045 upper_32_bits(rdev->mc.vram_start));
1046 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
1047 upper_32_bits(rdev->mc.vram_start));
1048 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1049 (u32)rdev->mc.vram_start);
1050 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1051 (u32)rdev->mc.vram_start);
1052
1053 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
1054 upper_32_bits(rdev->mc.vram_start));
1055 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
1056 upper_32_bits(rdev->mc.vram_start));
1057 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1058 (u32)rdev->mc.vram_start);
1059 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1060 (u32)rdev->mc.vram_start);
1061
1062 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
1063 upper_32_bits(rdev->mc.vram_start));
1064 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
1065 upper_32_bits(rdev->mc.vram_start));
1066 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
1067 (u32)rdev->mc.vram_start);
1068 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
1069 (u32)rdev->mc.vram_start);
1070 }
1071
1072 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
1073 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
1074 /* Unlock host access */
1075 WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
1076 mdelay(1);
1077 /* Restore video state */
1078 WREG32(D1VGA_CONTROL, save->vga_control[0]);
1079 WREG32(D2VGA_CONTROL, save->vga_control[1]);
1080 WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
1081 WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
1082 WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
1083 WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
1084 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
1085 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
1086 if (!(rdev->flags & RADEON_IS_IGP)) {
1087 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
1088 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
1089 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
1090 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
1091 }
1092 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
1093 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
1094 if (!(rdev->flags & RADEON_IS_IGP)) {
1095 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
1096 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
1097 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
1098 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
1099 }
1100 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1101 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1102 if (!(rdev->flags & RADEON_IS_IGP)) {
1103 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1104 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1105 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1106 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1107 }
1108 WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
1109 }
1110
1111 void evergreen_mc_program(struct radeon_device *rdev)
1112 {
1113 struct evergreen_mc_save save;
1114 u32 tmp;
1115 int i, j;
1116
1117 /* Initialize HDP */
1118 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1119 WREG32((0x2c14 + j), 0x00000000);
1120 WREG32((0x2c18 + j), 0x00000000);
1121 WREG32((0x2c1c + j), 0x00000000);
1122 WREG32((0x2c20 + j), 0x00000000);
1123 WREG32((0x2c24 + j), 0x00000000);
1124 }
1125 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1126
1127 evergreen_mc_stop(rdev, &save);
1128 if (evergreen_mc_wait_for_idle(rdev)) {
1129 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1130 }
1131 /* Lockout access through VGA aperture*/
1132 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1133 /* Update configuration */
1134 if (rdev->flags & RADEON_IS_AGP) {
1135 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1136 /* VRAM before AGP */
1137 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1138 rdev->mc.vram_start >> 12);
1139 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1140 rdev->mc.gtt_end >> 12);
1141 } else {
1142 /* VRAM after AGP */
1143 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1144 rdev->mc.gtt_start >> 12);
1145 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1146 rdev->mc.vram_end >> 12);
1147 }
1148 } else {
1149 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1150 rdev->mc.vram_start >> 12);
1151 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1152 rdev->mc.vram_end >> 12);
1153 }
1154 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
1155 if (rdev->flags & RADEON_IS_IGP) {
1156 tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
1157 tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
1158 tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
1159 WREG32(MC_FUS_VM_FB_OFFSET, tmp);
1160 }
1161 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1162 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1163 WREG32(MC_VM_FB_LOCATION, tmp);
1164 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1165 WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
1166 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1167 if (rdev->flags & RADEON_IS_AGP) {
1168 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1169 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1170 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1171 } else {
1172 WREG32(MC_VM_AGP_BASE, 0);
1173 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1174 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1175 }
1176 if (evergreen_mc_wait_for_idle(rdev)) {
1177 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1178 }
1179 evergreen_mc_resume(rdev, &save);
1180 /* we need to own VRAM, so turn off the VGA renderer here
1181 * to stop it overwriting our objects */
1182 rv515_vga_render_disable(rdev);
1183 }
1184
1185 /*
1186 * CP.
1187 */
1188 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1189 {
1190 /* set to DX10/11 mode */
1191 radeon_ring_write(rdev, PACKET3(PACKET3_MODE_CONTROL, 0));
1192 radeon_ring_write(rdev, 1);
1193 /* FIXME: implement */
1194 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1195 radeon_ring_write(rdev,
1196 #ifdef __BIG_ENDIAN
1197 (2 << 0) |
1198 #endif
1199 (ib->gpu_addr & 0xFFFFFFFC));
1200 radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
1201 radeon_ring_write(rdev, ib->length_dw);
1202 }
1203
1204
1205 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
1206 {
1207 const __be32 *fw_data;
1208 int i;
1209
1210 if (!rdev->me_fw || !rdev->pfp_fw)
1211 return -EINVAL;
1212
1213 r700_cp_stop(rdev);
1214 WREG32(CP_RB_CNTL,
1215 #ifdef __BIG_ENDIAN
1216 BUF_SWAP_32BIT |
1217 #endif
1218 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1219
1220 fw_data = (const __be32 *)rdev->pfp_fw->data;
1221 WREG32(CP_PFP_UCODE_ADDR, 0);
1222 for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
1223 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1224 WREG32(CP_PFP_UCODE_ADDR, 0);
1225
1226 fw_data = (const __be32 *)rdev->me_fw->data;
1227 WREG32(CP_ME_RAM_WADDR, 0);
1228 for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
1229 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1230
1231 WREG32(CP_PFP_UCODE_ADDR, 0);
1232 WREG32(CP_ME_RAM_WADDR, 0);
1233 WREG32(CP_ME_RAM_RADDR, 0);
1234 return 0;
1235 }
1236
1237 static int evergreen_cp_start(struct radeon_device *rdev)
1238 {
1239 int r, i;
1240 uint32_t cp_me;
1241
1242 r = radeon_ring_lock(rdev, 7);
1243 if (r) {
1244 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1245 return r;
1246 }
1247 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
1248 radeon_ring_write(rdev, 0x1);
1249 radeon_ring_write(rdev, 0x0);
1250 radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
1251 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1252 radeon_ring_write(rdev, 0);
1253 radeon_ring_write(rdev, 0);
1254 radeon_ring_unlock_commit(rdev);
1255
1256 cp_me = 0xff;
1257 WREG32(CP_ME_CNTL, cp_me);
1258
1259 r = radeon_ring_lock(rdev, evergreen_default_size + 19);
1260 if (r) {
1261 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1262 return r;
1263 }
1264
1265 /* setup clear context state */
1266 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1267 radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1268
1269 for (i = 0; i < evergreen_default_size; i++)
1270 radeon_ring_write(rdev, evergreen_default_state[i]);
1271
1272 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1273 radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);
1274
1275 /* set clear context state */
1276 radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
1277 radeon_ring_write(rdev, 0);
1278
1279 /* SQ_VTX_BASE_VTX_LOC */
1280 radeon_ring_write(rdev, 0xc0026f00);
1281 radeon_ring_write(rdev, 0x00000000);
1282 radeon_ring_write(rdev, 0x00000000);
1283 radeon_ring_write(rdev, 0x00000000);
1284
1285 /* Clear consts */
1286 radeon_ring_write(rdev, 0xc0036f00);
1287 radeon_ring_write(rdev, 0x00000bc4);
1288 radeon_ring_write(rdev, 0xffffffff);
1289 radeon_ring_write(rdev, 0xffffffff);
1290 radeon_ring_write(rdev, 0xffffffff);
1291
1292 radeon_ring_write(rdev, 0xc0026900);
1293 radeon_ring_write(rdev, 0x00000316);
1294 radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1295 radeon_ring_write(rdev, 0x00000010); /* */
1296
1297 radeon_ring_unlock_commit(rdev);
1298
1299 return 0;
1300 }
1301
1302 int evergreen_cp_resume(struct radeon_device *rdev)
1303 {
1304 u32 tmp;
1305 u32 rb_bufsz;
1306 int r;
1307
1308 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1309 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1310 SOFT_RESET_PA |
1311 SOFT_RESET_SH |
1312 SOFT_RESET_VGT |
1313 SOFT_RESET_SX));
1314 RREG32(GRBM_SOFT_RESET);
1315 mdelay(15);
1316 WREG32(GRBM_SOFT_RESET, 0);
1317 RREG32(GRBM_SOFT_RESET);
1318
1319 /* Set ring buffer size */
1320 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
1321 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1322 #ifdef __BIG_ENDIAN
1323 tmp |= BUF_SWAP_32BIT;
1324 #endif
1325 WREG32(CP_RB_CNTL, tmp);
1326 WREG32(CP_SEM_WAIT_TIMER, 0x4);
1327
1328 /* Set the write pointer delay */
1329 WREG32(CP_RB_WPTR_DELAY, 0);
1330
1331 /* Initialize the ring buffer's read and write pointers */
1332 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1333 WREG32(CP_RB_RPTR_WR, 0);
1334 WREG32(CP_RB_WPTR, 0);
1335
1336 /* set the wb address wether it's enabled or not */
1337 WREG32(CP_RB_RPTR_ADDR,
1338 #ifdef __BIG_ENDIAN
1339 RB_RPTR_SWAP(2) |
1340 #endif
1341 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1342 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1343 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1344
1345 if (rdev->wb.enabled)
1346 WREG32(SCRATCH_UMSK, 0xff);
1347 else {
1348 tmp |= RB_NO_UPDATE;
1349 WREG32(SCRATCH_UMSK, 0);
1350 }
1351
1352 mdelay(1);
1353 WREG32(CP_RB_CNTL, tmp);
1354
1355 WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
1356 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1357
1358 rdev->cp.rptr = RREG32(CP_RB_RPTR);
1359 rdev->cp.wptr = RREG32(CP_RB_WPTR);
1360
1361 evergreen_cp_start(rdev);
1362 rdev->cp.ready = true;
1363 r = radeon_ring_test(rdev);
1364 if (r) {
1365 rdev->cp.ready = false;
1366 return r;
1367 }
1368 return 0;
1369 }
1370
1371 /*
1372 * Core functions
1373 */
1374 static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
1375 u32 num_tile_pipes,
1376 u32 num_backends,
1377 u32 backend_disable_mask)
1378 {
1379 u32 backend_map = 0;
1380 u32 enabled_backends_mask = 0;
1381 u32 enabled_backends_count = 0;
1382 u32 cur_pipe;
1383 u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
1384 u32 cur_backend = 0;
1385 u32 i;
1386 bool force_no_swizzle;
1387
1388 if (num_tile_pipes > EVERGREEN_MAX_PIPES)
1389 num_tile_pipes = EVERGREEN_MAX_PIPES;
1390 if (num_tile_pipes < 1)
1391 num_tile_pipes = 1;
1392 if (num_backends > EVERGREEN_MAX_BACKENDS)
1393 num_backends = EVERGREEN_MAX_BACKENDS;
1394 if (num_backends < 1)
1395 num_backends = 1;
1396
1397 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
1398 if (((backend_disable_mask >> i) & 1) == 0) {
1399 enabled_backends_mask |= (1 << i);
1400 ++enabled_backends_count;
1401 }
1402 if (enabled_backends_count == num_backends)
1403 break;
1404 }
1405
1406 if (enabled_backends_count == 0) {
1407 enabled_backends_mask = 1;
1408 enabled_backends_count = 1;
1409 }
1410
1411 if (enabled_backends_count != num_backends)
1412 num_backends = enabled_backends_count;
1413
1414 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
1415 switch (rdev->family) {
1416 case CHIP_CEDAR:
1417 case CHIP_REDWOOD:
1418 case CHIP_PALM:
1419 case CHIP_TURKS:
1420 case CHIP_CAICOS:
1421 force_no_swizzle = false;
1422 break;
1423 case CHIP_CYPRESS:
1424 case CHIP_HEMLOCK:
1425 case CHIP_JUNIPER:
1426 case CHIP_BARTS:
1427 default:
1428 force_no_swizzle = true;
1429 break;
1430 }
1431 if (force_no_swizzle) {
1432 bool last_backend_enabled = false;
1433
1434 force_no_swizzle = false;
1435 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
1436 if (((enabled_backends_mask >> i) & 1) == 1) {
1437 if (last_backend_enabled)
1438 force_no_swizzle = true;
1439 last_backend_enabled = true;
1440 } else
1441 last_backend_enabled = false;
1442 }
1443 }
1444
1445 switch (num_tile_pipes) {
1446 case 1:
1447 case 3:
1448 case 5:
1449 case 7:
1450 DRM_ERROR("odd number of pipes!\n");
1451 break;
1452 case 2:
1453 swizzle_pipe[0] = 0;
1454 swizzle_pipe[1] = 1;
1455 break;
1456 case 4:
1457 if (force_no_swizzle) {
1458 swizzle_pipe[0] = 0;
1459 swizzle_pipe[1] = 1;
1460 swizzle_pipe[2] = 2;
1461 swizzle_pipe[3] = 3;
1462 } else {
1463 swizzle_pipe[0] = 0;
1464 swizzle_pipe[1] = 2;
1465 swizzle_pipe[2] = 1;
1466 swizzle_pipe[3] = 3;
1467 }
1468 break;
1469 case 6:
1470 if (force_no_swizzle) {
1471 swizzle_pipe[0] = 0;
1472 swizzle_pipe[1] = 1;
1473 swizzle_pipe[2] = 2;
1474 swizzle_pipe[3] = 3;
1475 swizzle_pipe[4] = 4;
1476 swizzle_pipe[5] = 5;
1477 } else {
1478 swizzle_pipe[0] = 0;
1479 swizzle_pipe[1] = 2;
1480 swizzle_pipe[2] = 4;
1481 swizzle_pipe[3] = 1;
1482 swizzle_pipe[4] = 3;
1483 swizzle_pipe[5] = 5;
1484 }
1485 break;
1486 case 8:
1487 if (force_no_swizzle) {
1488 swizzle_pipe[0] = 0;
1489 swizzle_pipe[1] = 1;
1490 swizzle_pipe[2] = 2;
1491 swizzle_pipe[3] = 3;
1492 swizzle_pipe[4] = 4;
1493 swizzle_pipe[5] = 5;
1494 swizzle_pipe[6] = 6;
1495 swizzle_pipe[7] = 7;
1496 } else {
1497 swizzle_pipe[0] = 0;
1498 swizzle_pipe[1] = 2;
1499 swizzle_pipe[2] = 4;
1500 swizzle_pipe[3] = 6;
1501 swizzle_pipe[4] = 1;
1502 swizzle_pipe[5] = 3;
1503 swizzle_pipe[6] = 5;
1504 swizzle_pipe[7] = 7;
1505 }
1506 break;
1507 }
1508
1509 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1510 while (((1 << cur_backend) & enabled_backends_mask) == 0)
1511 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
1512
1513 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
1514
1515 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
1516 }
1517
1518 return backend_map;
1519 }
1520
1521 static void evergreen_program_channel_remap(struct radeon_device *rdev)
1522 {
1523 u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
1524
1525 tmp = RREG32(MC_SHARED_CHMAP);
1526 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1527 case 0:
1528 case 1:
1529 case 2:
1530 case 3:
1531 default:
1532 /* default mapping */
1533 mc_shared_chremap = 0x00fac688;
1534 break;
1535 }
1536
1537 switch (rdev->family) {
1538 case CHIP_HEMLOCK:
1539 case CHIP_CYPRESS:
1540 case CHIP_BARTS:
1541 tcp_chan_steer_lo = 0x54763210;
1542 tcp_chan_steer_hi = 0x0000ba98;
1543 break;
1544 case CHIP_JUNIPER:
1545 case CHIP_REDWOOD:
1546 case CHIP_CEDAR:
1547 case CHIP_PALM:
1548 case CHIP_TURKS:
1549 case CHIP_CAICOS:
1550 default:
1551 tcp_chan_steer_lo = 0x76543210;
1552 tcp_chan_steer_hi = 0x0000ba98;
1553 break;
1554 }
1555
1556 WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
1557 WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
1558 WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
1559 }
1560
1561 static void evergreen_gpu_init(struct radeon_device *rdev)
1562 {
1563 u32 cc_rb_backend_disable = 0;
1564 u32 cc_gc_shader_pipe_config;
1565 u32 gb_addr_config = 0;
1566 u32 mc_shared_chmap, mc_arb_ramcfg;
1567 u32 gb_backend_map;
1568 u32 grbm_gfx_index;
1569 u32 sx_debug_1;
1570 u32 smx_dc_ctl0;
1571 u32 sq_config;
1572 u32 sq_lds_resource_mgmt;
1573 u32 sq_gpr_resource_mgmt_1;
1574 u32 sq_gpr_resource_mgmt_2;
1575 u32 sq_gpr_resource_mgmt_3;
1576 u32 sq_thread_resource_mgmt;
1577 u32 sq_thread_resource_mgmt_2;
1578 u32 sq_stack_resource_mgmt_1;
1579 u32 sq_stack_resource_mgmt_2;
1580 u32 sq_stack_resource_mgmt_3;
1581 u32 vgt_cache_invalidation;
1582 u32 hdp_host_path_cntl;
1583 int i, j, num_shader_engines, ps_thread_count;
1584
1585 switch (rdev->family) {
1586 case CHIP_CYPRESS:
1587 case CHIP_HEMLOCK:
1588 rdev->config.evergreen.num_ses = 2;
1589 rdev->config.evergreen.max_pipes = 4;
1590 rdev->config.evergreen.max_tile_pipes = 8;
1591 rdev->config.evergreen.max_simds = 10;
1592 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1593 rdev->config.evergreen.max_gprs = 256;
1594 rdev->config.evergreen.max_threads = 248;
1595 rdev->config.evergreen.max_gs_threads = 32;
1596 rdev->config.evergreen.max_stack_entries = 512;
1597 rdev->config.evergreen.sx_num_of_sets = 4;
1598 rdev->config.evergreen.sx_max_export_size = 256;
1599 rdev->config.evergreen.sx_max_export_pos_size = 64;
1600 rdev->config.evergreen.sx_max_export_smx_size = 192;
1601 rdev->config.evergreen.max_hw_contexts = 8;
1602 rdev->config.evergreen.sq_num_cf_insts = 2;
1603
1604 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1605 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1606 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1607 break;
1608 case CHIP_JUNIPER:
1609 rdev->config.evergreen.num_ses = 1;
1610 rdev->config.evergreen.max_pipes = 4;
1611 rdev->config.evergreen.max_tile_pipes = 4;
1612 rdev->config.evergreen.max_simds = 10;
1613 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1614 rdev->config.evergreen.max_gprs = 256;
1615 rdev->config.evergreen.max_threads = 248;
1616 rdev->config.evergreen.max_gs_threads = 32;
1617 rdev->config.evergreen.max_stack_entries = 512;
1618 rdev->config.evergreen.sx_num_of_sets = 4;
1619 rdev->config.evergreen.sx_max_export_size = 256;
1620 rdev->config.evergreen.sx_max_export_pos_size = 64;
1621 rdev->config.evergreen.sx_max_export_smx_size = 192;
1622 rdev->config.evergreen.max_hw_contexts = 8;
1623 rdev->config.evergreen.sq_num_cf_insts = 2;
1624
1625 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1626 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1627 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1628 break;
1629 case CHIP_REDWOOD:
1630 rdev->config.evergreen.num_ses = 1;
1631 rdev->config.evergreen.max_pipes = 4;
1632 rdev->config.evergreen.max_tile_pipes = 4;
1633 rdev->config.evergreen.max_simds = 5;
1634 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1635 rdev->config.evergreen.max_gprs = 256;
1636 rdev->config.evergreen.max_threads = 248;
1637 rdev->config.evergreen.max_gs_threads = 32;
1638 rdev->config.evergreen.max_stack_entries = 256;
1639 rdev->config.evergreen.sx_num_of_sets = 4;
1640 rdev->config.evergreen.sx_max_export_size = 256;
1641 rdev->config.evergreen.sx_max_export_pos_size = 64;
1642 rdev->config.evergreen.sx_max_export_smx_size = 192;
1643 rdev->config.evergreen.max_hw_contexts = 8;
1644 rdev->config.evergreen.sq_num_cf_insts = 2;
1645
1646 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1647 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1648 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1649 break;
1650 case CHIP_CEDAR:
1651 default:
1652 rdev->config.evergreen.num_ses = 1;
1653 rdev->config.evergreen.max_pipes = 2;
1654 rdev->config.evergreen.max_tile_pipes = 2;
1655 rdev->config.evergreen.max_simds = 2;
1656 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1657 rdev->config.evergreen.max_gprs = 256;
1658 rdev->config.evergreen.max_threads = 192;
1659 rdev->config.evergreen.max_gs_threads = 16;
1660 rdev->config.evergreen.max_stack_entries = 256;
1661 rdev->config.evergreen.sx_num_of_sets = 4;
1662 rdev->config.evergreen.sx_max_export_size = 128;
1663 rdev->config.evergreen.sx_max_export_pos_size = 32;
1664 rdev->config.evergreen.sx_max_export_smx_size = 96;
1665 rdev->config.evergreen.max_hw_contexts = 4;
1666 rdev->config.evergreen.sq_num_cf_insts = 1;
1667
1668 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1669 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1670 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1671 break;
1672 case CHIP_PALM:
1673 rdev->config.evergreen.num_ses = 1;
1674 rdev->config.evergreen.max_pipes = 2;
1675 rdev->config.evergreen.max_tile_pipes = 2;
1676 rdev->config.evergreen.max_simds = 2;
1677 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1678 rdev->config.evergreen.max_gprs = 256;
1679 rdev->config.evergreen.max_threads = 192;
1680 rdev->config.evergreen.max_gs_threads = 16;
1681 rdev->config.evergreen.max_stack_entries = 256;
1682 rdev->config.evergreen.sx_num_of_sets = 4;
1683 rdev->config.evergreen.sx_max_export_size = 128;
1684 rdev->config.evergreen.sx_max_export_pos_size = 32;
1685 rdev->config.evergreen.sx_max_export_smx_size = 96;
1686 rdev->config.evergreen.max_hw_contexts = 4;
1687 rdev->config.evergreen.sq_num_cf_insts = 1;
1688
1689 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1690 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1691 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1692 break;
1693 case CHIP_BARTS:
1694 rdev->config.evergreen.num_ses = 2;
1695 rdev->config.evergreen.max_pipes = 4;
1696 rdev->config.evergreen.max_tile_pipes = 8;
1697 rdev->config.evergreen.max_simds = 7;
1698 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1699 rdev->config.evergreen.max_gprs = 256;
1700 rdev->config.evergreen.max_threads = 248;
1701 rdev->config.evergreen.max_gs_threads = 32;
1702 rdev->config.evergreen.max_stack_entries = 512;
1703 rdev->config.evergreen.sx_num_of_sets = 4;
1704 rdev->config.evergreen.sx_max_export_size = 256;
1705 rdev->config.evergreen.sx_max_export_pos_size = 64;
1706 rdev->config.evergreen.sx_max_export_smx_size = 192;
1707 rdev->config.evergreen.max_hw_contexts = 8;
1708 rdev->config.evergreen.sq_num_cf_insts = 2;
1709
1710 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1711 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1712 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1713 break;
1714 case CHIP_TURKS:
1715 rdev->config.evergreen.num_ses = 1;
1716 rdev->config.evergreen.max_pipes = 4;
1717 rdev->config.evergreen.max_tile_pipes = 4;
1718 rdev->config.evergreen.max_simds = 6;
1719 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1720 rdev->config.evergreen.max_gprs = 256;
1721 rdev->config.evergreen.max_threads = 248;
1722 rdev->config.evergreen.max_gs_threads = 32;
1723 rdev->config.evergreen.max_stack_entries = 256;
1724 rdev->config.evergreen.sx_num_of_sets = 4;
1725 rdev->config.evergreen.sx_max_export_size = 256;
1726 rdev->config.evergreen.sx_max_export_pos_size = 64;
1727 rdev->config.evergreen.sx_max_export_smx_size = 192;
1728 rdev->config.evergreen.max_hw_contexts = 8;
1729 rdev->config.evergreen.sq_num_cf_insts = 2;
1730
1731 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1732 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1733 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1734 break;
1735 case CHIP_CAICOS:
1736 rdev->config.evergreen.num_ses = 1;
1737 rdev->config.evergreen.max_pipes = 4;
1738 rdev->config.evergreen.max_tile_pipes = 2;
1739 rdev->config.evergreen.max_simds = 2;
1740 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1741 rdev->config.evergreen.max_gprs = 256;
1742 rdev->config.evergreen.max_threads = 192;
1743 rdev->config.evergreen.max_gs_threads = 16;
1744 rdev->config.evergreen.max_stack_entries = 256;
1745 rdev->config.evergreen.sx_num_of_sets = 4;
1746 rdev->config.evergreen.sx_max_export_size = 128;
1747 rdev->config.evergreen.sx_max_export_pos_size = 32;
1748 rdev->config.evergreen.sx_max_export_smx_size = 96;
1749 rdev->config.evergreen.max_hw_contexts = 4;
1750 rdev->config.evergreen.sq_num_cf_insts = 1;
1751
1752 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1753 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1754 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1755 break;
1756 }
1757
1758 /* Initialize HDP */
1759 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1760 WREG32((0x2c14 + j), 0x00000000);
1761 WREG32((0x2c18 + j), 0x00000000);
1762 WREG32((0x2c1c + j), 0x00000000);
1763 WREG32((0x2c20 + j), 0x00000000);
1764 WREG32((0x2c24 + j), 0x00000000);
1765 }
1766
1767 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1768
1769 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
1770
1771 cc_gc_shader_pipe_config |=
1772 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
1773 & EVERGREEN_MAX_PIPES_MASK);
1774 cc_gc_shader_pipe_config |=
1775 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
1776 & EVERGREEN_MAX_SIMDS_MASK);
1777
1778 cc_rb_backend_disable =
1779 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
1780 & EVERGREEN_MAX_BACKENDS_MASK);
1781
1782
1783 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1784 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1785
1786 switch (rdev->config.evergreen.max_tile_pipes) {
1787 case 1:
1788 default:
1789 gb_addr_config |= NUM_PIPES(0);
1790 break;
1791 case 2:
1792 gb_addr_config |= NUM_PIPES(1);
1793 break;
1794 case 4:
1795 gb_addr_config |= NUM_PIPES(2);
1796 break;
1797 case 8:
1798 gb_addr_config |= NUM_PIPES(3);
1799 break;
1800 }
1801
1802 gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1803 gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
1804 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
1805 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
1806 gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
1807 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
1808
1809 if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
1810 gb_addr_config |= ROW_SIZE(2);
1811 else
1812 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
1813
1814 if (rdev->ddev->pdev->device == 0x689e) {
1815 u32 efuse_straps_4;
1816 u32 efuse_straps_3;
1817 u8 efuse_box_bit_131_124;
1818
1819 WREG32(RCU_IND_INDEX, 0x204);
1820 efuse_straps_4 = RREG32(RCU_IND_DATA);
1821 WREG32(RCU_IND_INDEX, 0x203);
1822 efuse_straps_3 = RREG32(RCU_IND_DATA);
1823 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
1824
1825 switch(efuse_box_bit_131_124) {
1826 case 0x00:
1827 gb_backend_map = 0x76543210;
1828 break;
1829 case 0x55:
1830 gb_backend_map = 0x77553311;
1831 break;
1832 case 0x56:
1833 gb_backend_map = 0x77553300;
1834 break;
1835 case 0x59:
1836 gb_backend_map = 0x77552211;
1837 break;
1838 case 0x66:
1839 gb_backend_map = 0x77443300;
1840 break;
1841 case 0x99:
1842 gb_backend_map = 0x66552211;
1843 break;
1844 case 0x5a:
1845 gb_backend_map = 0x77552200;
1846 break;
1847 case 0xaa:
1848 gb_backend_map = 0x66442200;
1849 break;
1850 case 0x95:
1851 gb_backend_map = 0x66553311;
1852 break;
1853 default:
1854 DRM_ERROR("bad backend map, using default\n");
1855 gb_backend_map =
1856 evergreen_get_tile_pipe_to_backend_map(rdev,
1857 rdev->config.evergreen.max_tile_pipes,
1858 rdev->config.evergreen.max_backends,
1859 ((EVERGREEN_MAX_BACKENDS_MASK <<
1860 rdev->config.evergreen.max_backends) &
1861 EVERGREEN_MAX_BACKENDS_MASK));
1862 break;
1863 }
1864 } else if (rdev->ddev->pdev->device == 0x68b9) {
1865 u32 efuse_straps_3;
1866 u8 efuse_box_bit_127_124;
1867
1868 WREG32(RCU_IND_INDEX, 0x203);
1869 efuse_straps_3 = RREG32(RCU_IND_DATA);
1870 efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28);
1871
1872 switch(efuse_box_bit_127_124) {
1873 case 0x0:
1874 gb_backend_map = 0x00003210;
1875 break;
1876 case 0x5:
1877 case 0x6:
1878 case 0x9:
1879 case 0xa:
1880 gb_backend_map = 0x00003311;
1881 break;
1882 default:
1883 DRM_ERROR("bad backend map, using default\n");
1884 gb_backend_map =
1885 evergreen_get_tile_pipe_to_backend_map(rdev,
1886 rdev->config.evergreen.max_tile_pipes,
1887 rdev->config.evergreen.max_backends,
1888 ((EVERGREEN_MAX_BACKENDS_MASK <<
1889 rdev->config.evergreen.max_backends) &
1890 EVERGREEN_MAX_BACKENDS_MASK));
1891 break;
1892 }
1893 } else {
1894 switch (rdev->family) {
1895 case CHIP_CYPRESS:
1896 case CHIP_HEMLOCK:
1897 case CHIP_BARTS:
1898 gb_backend_map = 0x66442200;
1899 break;
1900 case CHIP_JUNIPER:
1901 gb_backend_map = 0x00006420;
1902 break;
1903 default:
1904 gb_backend_map =
1905 evergreen_get_tile_pipe_to_backend_map(rdev,
1906 rdev->config.evergreen.max_tile_pipes,
1907 rdev->config.evergreen.max_backends,
1908 ((EVERGREEN_MAX_BACKENDS_MASK <<
1909 rdev->config.evergreen.max_backends) &
1910 EVERGREEN_MAX_BACKENDS_MASK));
1911 }
1912 }
1913
1914 /* setup tiling info dword. gb_addr_config is not adequate since it does
1915 * not have bank info, so create a custom tiling dword.
1916 * bits 3:0 num_pipes
1917 * bits 7:4 num_banks
1918 * bits 11:8 group_size
1919 * bits 15:12 row_size
1920 */
1921 rdev->config.evergreen.tile_config = 0;
1922 switch (rdev->config.evergreen.max_tile_pipes) {
1923 case 1:
1924 default:
1925 rdev->config.evergreen.tile_config |= (0 << 0);
1926 break;
1927 case 2:
1928 rdev->config.evergreen.tile_config |= (1 << 0);
1929 break;
1930 case 4:
1931 rdev->config.evergreen.tile_config |= (2 << 0);
1932 break;
1933 case 8:
1934 rdev->config.evergreen.tile_config |= (3 << 0);
1935 break;
1936 }
1937 rdev->config.evergreen.tile_config |=
1938 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
1939 rdev->config.evergreen.tile_config |=
1940 ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8;
1941 rdev->config.evergreen.tile_config |=
1942 ((gb_addr_config & 0x30000000) >> 28) << 12;
1943
1944 WREG32(GB_BACKEND_MAP, gb_backend_map);
1945 WREG32(GB_ADDR_CONFIG, gb_addr_config);
1946 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1947 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1948
1949 evergreen_program_channel_remap(rdev);
1950
1951 num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1952 grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1953
1954 for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1955 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1956 u32 sp = cc_gc_shader_pipe_config;
1957 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1958
1959 if (i == num_shader_engines) {
1960 rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1961 sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1962 }
1963
1964 WREG32(GRBM_GFX_INDEX, gfx);
1965 WREG32(RLC_GFX_INDEX, gfx);
1966
1967 WREG32(CC_RB_BACKEND_DISABLE, rb);
1968 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1969 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1970 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1971 }
1972
1973 grbm_gfx_index |= SE_BROADCAST_WRITES;
1974 WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1975 WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1976
1977 WREG32(CGTS_SYS_TCC_DISABLE, 0);
1978 WREG32(CGTS_TCC_DISABLE, 0);
1979 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1980 WREG32(CGTS_USER_TCC_DISABLE, 0);
1981
1982 /* set HW defaults for 3D engine */
1983 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1984 ROQ_IB2_START(0x2b)));
1985
1986 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1987
1988 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1989 SYNC_GRADIENT |
1990 SYNC_WALKER |
1991 SYNC_ALIGNER));
1992
1993 sx_debug_1 = RREG32(SX_DEBUG_1);
1994 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1995 WREG32(SX_DEBUG_1, sx_debug_1);
1996
1997
1998 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1999 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
2000 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
2001 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
2002
2003 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
2004 POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
2005 SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
2006
2007 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
2008 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
2009 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
2010
2011 WREG32(VGT_NUM_INSTANCES, 1);
2012 WREG32(SPI_CONFIG_CNTL, 0);
2013 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
2014 WREG32(CP_PERFMON_CNTL, 0);
2015
2016 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
2017 FETCH_FIFO_HIWATER(0x4) |
2018 DONE_FIFO_HIWATER(0xe0) |
2019 ALU_UPDATE_FIFO_HIWATER(0x8)));
2020
2021 sq_config = RREG32(SQ_CONFIG);
2022 sq_config &= ~(PS_PRIO(3) |
2023 VS_PRIO(3) |
2024 GS_PRIO(3) |
2025 ES_PRIO(3));
2026 sq_config |= (VC_ENABLE |
2027 EXPORT_SRC_C |
2028 PS_PRIO(0) |
2029 VS_PRIO(1) |
2030 GS_PRIO(2) |
2031 ES_PRIO(3));
2032
2033 switch (rdev->family) {
2034 case CHIP_CEDAR:
2035 case CHIP_PALM:
2036 case CHIP_CAICOS:
2037 /* no vertex cache */
2038 sq_config &= ~VC_ENABLE;
2039 break;
2040 default:
2041 break;
2042 }
2043
2044 sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
2045
2046 sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
2047 sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
2048 sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
2049 sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2050 sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2051 sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2052 sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2053
2054 switch (rdev->family) {
2055 case CHIP_CEDAR:
2056 case CHIP_PALM:
2057 ps_thread_count = 96;
2058 break;
2059 default:
2060 ps_thread_count = 128;
2061 break;
2062 }
2063
2064 sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
2065 sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2066 sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2067 sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2068 sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2069 sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2070
2071 sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2072 sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2073 sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2074 sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2075 sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2076 sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2077
2078 WREG32(SQ_CONFIG, sq_config);
2079 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2080 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2081 WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
2082 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2083 WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
2084 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2085 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2086 WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
2087 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2088 WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
2089
2090 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
2091 FORCE_EOV_MAX_REZ_CNT(255)));
2092
2093 switch (rdev->family) {
2094 case CHIP_CEDAR:
2095 case CHIP_PALM:
2096 case CHIP_CAICOS:
2097 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
2098 break;
2099 default:
2100 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
2101 break;
2102 }
2103 vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
2104 WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
2105
2106 WREG32(VGT_GS_VERTEX_REUSE, 16);
2107 WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
2108 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2109
2110 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
2111 WREG32(VGT_OUT_DEALLOC_CNTL, 16);
2112
2113 WREG32(CB_PERF_CTR0_SEL_0, 0);
2114 WREG32(CB_PERF_CTR0_SEL_1, 0);
2115 WREG32(CB_PERF_CTR1_SEL_0, 0);
2116 WREG32(CB_PERF_CTR1_SEL_1, 0);
2117 WREG32(CB_PERF_CTR2_SEL_0, 0);
2118 WREG32(CB_PERF_CTR2_SEL_1, 0);
2119 WREG32(CB_PERF_CTR3_SEL_0, 0);
2120 WREG32(CB_PERF_CTR3_SEL_1, 0);
2121
2122 /* clear render buffer base addresses */
2123 WREG32(CB_COLOR0_BASE, 0);
2124 WREG32(CB_COLOR1_BASE, 0);
2125 WREG32(CB_COLOR2_BASE, 0);
2126 WREG32(CB_COLOR3_BASE, 0);
2127 WREG32(CB_COLOR4_BASE, 0);
2128 WREG32(CB_COLOR5_BASE, 0);
2129 WREG32(CB_COLOR6_BASE, 0);
2130 WREG32(CB_COLOR7_BASE, 0);
2131 WREG32(CB_COLOR8_BASE, 0);
2132 WREG32(CB_COLOR9_BASE, 0);
2133 WREG32(CB_COLOR10_BASE, 0);
2134 WREG32(CB_COLOR11_BASE, 0);
2135
2136 /* set the shader const cache sizes to 0 */
2137 for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
2138 WREG32(i, 0);
2139 for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
2140 WREG32(i, 0);
2141
2142 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
2143 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
2144
2145 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
2146
2147 udelay(50);
2148
2149 }
2150
2151 int evergreen_mc_init(struct radeon_device *rdev)
2152 {
2153 u32 tmp;
2154 int chansize, numchan;
2155
2156 /* Get VRAM informations */
2157 rdev->mc.vram_is_ddr = true;
2158 tmp = RREG32(MC_ARB_RAMCFG);
2159 if (tmp & CHANSIZE_OVERRIDE) {
2160 chansize = 16;
2161 } else if (tmp & CHANSIZE_MASK) {
2162 chansize = 64;
2163 } else {
2164 chansize = 32;
2165 }
2166 tmp = RREG32(MC_SHARED_CHMAP);
2167 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2168 case 0:
2169 default:
2170 numchan = 1;
2171 break;
2172 case 1:
2173 numchan = 2;
2174 break;
2175 case 2:
2176 numchan = 4;
2177 break;
2178 case 3:
2179 numchan = 8;
2180 break;
2181 }
2182 rdev->mc.vram_width = numchan * chansize;
2183 /* Could aper size report 0 ? */
2184 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2185 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2186 /* Setup GPU memory space */
2187 if (rdev->flags & RADEON_IS_IGP) {
2188 /* size in bytes on fusion */
2189 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
2190 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
2191 } else {
2192 /* size in MB on evergreen */
2193 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2194 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2195 }
2196 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2197 rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
2198 r700_vram_gtt_location(rdev, &rdev->mc);
2199 radeon_update_bandwidth_info(rdev);
2200
2201 return 0;
2202 }
2203
2204 bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
2205 {
2206 u32 srbm_status;
2207 u32 grbm_status;
2208 u32 grbm_status_se0, grbm_status_se1;
2209 struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup;
2210 int r;
2211
2212 srbm_status = RREG32(SRBM_STATUS);
2213 grbm_status = RREG32(GRBM_STATUS);
2214 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
2215 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
2216 if (!(grbm_status & GUI_ACTIVE)) {
2217 r100_gpu_lockup_update(lockup, &rdev->cp);
2218 return false;
2219 }
2220 /* force CP activities */
2221 r = radeon_ring_lock(rdev, 2);
2222 if (!r) {
2223 /* PACKET2 NOP */
2224 radeon_ring_write(rdev, 0x80000000);
2225 radeon_ring_write(rdev, 0x80000000);
2226 radeon_ring_unlock_commit(rdev);
2227 }
2228 rdev->cp.rptr = RREG32(CP_RB_RPTR);
2229 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
2230 }
2231
2232 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
2233 {
2234 struct evergreen_mc_save save;
2235 u32 grbm_reset = 0;
2236
2237 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
2238 return 0;
2239
2240 dev_info(rdev->dev, "GPU softreset \n");
2241 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
2242 RREG32(GRBM_STATUS));
2243 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
2244 RREG32(GRBM_STATUS_SE0));
2245 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
2246 RREG32(GRBM_STATUS_SE1));
2247 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
2248 RREG32(SRBM_STATUS));
2249 evergreen_mc_stop(rdev, &save);
2250 if (evergreen_mc_wait_for_idle(rdev)) {
2251 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2252 }
2253 /* Disable CP parsing/prefetching */
2254 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
2255
2256 /* reset all the gfx blocks */
2257 grbm_reset = (SOFT_RESET_CP |
2258 SOFT_RESET_CB |
2259 SOFT_RESET_DB |
2260 SOFT_RESET_PA |
2261 SOFT_RESET_SC |
2262 SOFT_RESET_SPI |
2263 SOFT_RESET_SH |
2264 SOFT_RESET_SX |
2265 SOFT_RESET_TC |
2266 SOFT_RESET_TA |
2267 SOFT_RESET_VC |
2268 SOFT_RESET_VGT);
2269
2270 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
2271 WREG32(GRBM_SOFT_RESET, grbm_reset);
2272 (void)RREG32(GRBM_SOFT_RESET);
2273 udelay(50);
2274 WREG32(GRBM_SOFT_RESET, 0);
2275 (void)RREG32(GRBM_SOFT_RESET);
2276 /* Wait a little for things to settle down */
2277 udelay(50);
2278 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
2279 RREG32(GRBM_STATUS));
2280 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
2281 RREG32(GRBM_STATUS_SE0));
2282 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
2283 RREG32(GRBM_STATUS_SE1));
2284 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
2285 RREG32(SRBM_STATUS));
2286 evergreen_mc_resume(rdev, &save);
2287 return 0;
2288 }
2289
2290 int evergreen_asic_reset(struct radeon_device *rdev)
2291 {
2292 return evergreen_gpu_soft_reset(rdev);
2293 }
2294
2295 /* Interrupts */
2296
2297 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
2298 {
2299 switch (crtc) {
2300 case 0:
2301 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
2302 case 1:
2303 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
2304 case 2:
2305 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
2306 case 3:
2307 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
2308 case 4:
2309 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
2310 case 5:
2311 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
2312 default:
2313 return 0;
2314 }
2315 }
2316
2317 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
2318 {
2319 u32 tmp;
2320
2321 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2322 WREG32(GRBM_INT_CNTL, 0);
2323 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2324 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2325 if (!(rdev->flags & RADEON_IS_IGP)) {
2326 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2327 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2328 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2329 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2330 }
2331
2332 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2333 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2334 if (!(rdev->flags & RADEON_IS_IGP)) {
2335 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2336 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2337 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2338 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2339 }
2340
2341 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2342 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2343
2344 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2345 WREG32(DC_HPD1_INT_CONTROL, tmp);
2346 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2347 WREG32(DC_HPD2_INT_CONTROL, tmp);
2348 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2349 WREG32(DC_HPD3_INT_CONTROL, tmp);
2350 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2351 WREG32(DC_HPD4_INT_CONTROL, tmp);
2352 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2353 WREG32(DC_HPD5_INT_CONTROL, tmp);
2354 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2355 WREG32(DC_HPD6_INT_CONTROL, tmp);
2356
2357 }
2358
2359 int evergreen_irq_set(struct radeon_device *rdev)
2360 {
2361 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2362 u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
2363 u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2364 u32 grbm_int_cntl = 0;
2365 u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
2366
2367 if (!rdev->irq.installed) {
2368 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2369 return -EINVAL;
2370 }
2371 /* don't enable anything if the ih is disabled */
2372 if (!rdev->ih.enabled) {
2373 r600_disable_interrupts(rdev);
2374 /* force the active interrupt state to all disabled */
2375 evergreen_disable_interrupt_state(rdev);
2376 return 0;
2377 }
2378
2379 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2380 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
2381 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
2382 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
2383 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
2384 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
2385
2386 if (rdev->irq.sw_int) {
2387 DRM_DEBUG("evergreen_irq_set: sw int\n");
2388 cp_int_cntl |= RB_INT_ENABLE;
2389 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2390 }
2391 if (rdev->irq.crtc_vblank_int[0] ||
2392 rdev->irq.pflip[0]) {
2393 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
2394 crtc1 |= VBLANK_INT_MASK;
2395 }
2396 if (rdev->irq.crtc_vblank_int[1] ||
2397 rdev->irq.pflip[1]) {
2398 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
2399 crtc2 |= VBLANK_INT_MASK;
2400 }
2401 if (rdev->irq.crtc_vblank_int[2] ||
2402 rdev->irq.pflip[2]) {
2403 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
2404 crtc3 |= VBLANK_INT_MASK;
2405 }
2406 if (rdev->irq.crtc_vblank_int[3] ||
2407 rdev->irq.pflip[3]) {
2408 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
2409 crtc4 |= VBLANK_INT_MASK;
2410 }
2411 if (rdev->irq.crtc_vblank_int[4] ||
2412 rdev->irq.pflip[4]) {
2413 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
2414 crtc5 |= VBLANK_INT_MASK;
2415 }
2416 if (rdev->irq.crtc_vblank_int[5] ||
2417 rdev->irq.pflip[5]) {
2418 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
2419 crtc6 |= VBLANK_INT_MASK;
2420 }
2421 if (rdev->irq.hpd[0]) {
2422 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
2423 hpd1 |= DC_HPDx_INT_EN;
2424 }
2425 if (rdev->irq.hpd[1]) {
2426 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
2427 hpd2 |= DC_HPDx_INT_EN;
2428 }
2429 if (rdev->irq.hpd[2]) {
2430 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
2431 hpd3 |= DC_HPDx_INT_EN;
2432 }
2433 if (rdev->irq.hpd[3]) {
2434 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
2435 hpd4 |= DC_HPDx_INT_EN;
2436 }
2437 if (rdev->irq.hpd[4]) {
2438 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
2439 hpd5 |= DC_HPDx_INT_EN;
2440 }
2441 if (rdev->irq.hpd[5]) {
2442 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
2443 hpd6 |= DC_HPDx_INT_EN;
2444 }
2445 if (rdev->irq.gui_idle) {
2446 DRM_DEBUG("gui idle\n");
2447 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
2448 }
2449
2450 WREG32(CP_INT_CNTL, cp_int_cntl);
2451 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
2452
2453 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
2454 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
2455 if (!(rdev->flags & RADEON_IS_IGP)) {
2456 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
2457 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
2458 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
2459 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
2460 }
2461
2462 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
2463 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
2464 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
2465 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
2466 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
2467 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
2468
2469 WREG32(DC_HPD1_INT_CONTROL, hpd1);
2470 WREG32(DC_HPD2_INT_CONTROL, hpd2);
2471 WREG32(DC_HPD3_INT_CONTROL, hpd3);
2472 WREG32(DC_HPD4_INT_CONTROL, hpd4);
2473 WREG32(DC_HPD5_INT_CONTROL, hpd5);
2474 WREG32(DC_HPD6_INT_CONTROL, hpd6);
2475
2476 return 0;
2477 }
2478
2479 static inline void evergreen_irq_ack(struct radeon_device *rdev)
2480 {
2481 u32 tmp;
2482
2483 rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
2484 rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
2485 rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
2486 rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
2487 rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
2488 rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
2489 rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2490 rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2491 rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2492 rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2493 rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2494 rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2495
2496 if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
2497 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2498 if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
2499 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2500 if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
2501 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2502 if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
2503 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2504 if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
2505 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2506 if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
2507 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2508
2509 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
2510 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
2511 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
2512 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
2513
2514 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
2515 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
2516 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
2517 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
2518
2519 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
2520 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
2521 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
2522 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
2523
2524 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
2525 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
2526 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
2527 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
2528
2529 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
2530 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
2531 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
2532 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
2533
2534 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
2535 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
2536 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
2537 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
2538
2539 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2540 tmp = RREG32(DC_HPD1_INT_CONTROL);
2541 tmp |= DC_HPDx_INT_ACK;
2542 WREG32(DC_HPD1_INT_CONTROL, tmp);
2543 }
2544 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2545 tmp = RREG32(DC_HPD2_INT_CONTROL);
2546 tmp |= DC_HPDx_INT_ACK;
2547 WREG32(DC_HPD2_INT_CONTROL, tmp);
2548 }
2549 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2550 tmp = RREG32(DC_HPD3_INT_CONTROL);
2551 tmp |= DC_HPDx_INT_ACK;
2552 WREG32(DC_HPD3_INT_CONTROL, tmp);
2553 }
2554 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2555 tmp = RREG32(DC_HPD4_INT_CONTROL);
2556 tmp |= DC_HPDx_INT_ACK;
2557 WREG32(DC_HPD4_INT_CONTROL, tmp);
2558 }
2559 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2560 tmp = RREG32(DC_HPD5_INT_CONTROL);
2561 tmp |= DC_HPDx_INT_ACK;
2562 WREG32(DC_HPD5_INT_CONTROL, tmp);
2563 }
2564 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2565 tmp = RREG32(DC_HPD5_INT_CONTROL);
2566 tmp |= DC_HPDx_INT_ACK;
2567 WREG32(DC_HPD6_INT_CONTROL, tmp);
2568 }
2569 }
2570
2571 void evergreen_irq_disable(struct radeon_device *rdev)
2572 {
2573 r600_disable_interrupts(rdev);
2574 /* Wait and acknowledge irq */
2575 mdelay(1);
2576 evergreen_irq_ack(rdev);
2577 evergreen_disable_interrupt_state(rdev);
2578 }
2579
2580 void evergreen_irq_suspend(struct radeon_device *rdev)
2581 {
2582 evergreen_irq_disable(rdev);
2583 r600_rlc_stop(rdev);
2584 }
2585
2586 static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
2587 {
2588 u32 wptr, tmp;
2589
2590 if (rdev->wb.enabled)
2591 wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4];
2592 else
2593 wptr = RREG32(IH_RB_WPTR);
2594
2595 if (wptr & RB_OVERFLOW) {
2596 /* When a ring buffer overflow happen start parsing interrupt
2597 * from the last not overwritten vector (wptr + 16). Hopefully
2598 * this should allow us to catchup.
2599 */
2600 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
2601 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
2602 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
2603 tmp = RREG32(IH_RB_CNTL);
2604 tmp |= IH_WPTR_OVERFLOW_CLEAR;
2605 WREG32(IH_RB_CNTL, tmp);
2606 }
2607 return (wptr & rdev->ih.ptr_mask);
2608 }
2609
2610 int evergreen_irq_process(struct radeon_device *rdev)
2611 {
2612 u32 wptr = evergreen_get_ih_wptr(rdev);
2613 u32 rptr = rdev->ih.rptr;
2614 u32 src_id, src_data;
2615 u32 ring_index;
2616 unsigned long flags;
2617 bool queue_hotplug = false;
2618
2619 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
2620 if (!rdev->ih.enabled)
2621 return IRQ_NONE;
2622
2623 spin_lock_irqsave(&rdev->ih.lock, flags);
2624
2625 if (rptr == wptr) {
2626 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2627 return IRQ_NONE;
2628 }
2629 if (rdev->shutdown) {
2630 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2631 return IRQ_NONE;
2632 }
2633
2634 restart_ih:
2635 /* display interrupts */
2636 evergreen_irq_ack(rdev);
2637
2638 rdev->ih.wptr = wptr;
2639 while (rptr != wptr) {
2640 /* wptr/rptr are in bytes! */
2641 ring_index = rptr / 4;
2642 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
2643 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
2644
2645 switch (src_id) {
2646 case 1: /* D1 vblank/vline */
2647 switch (src_data) {
2648 case 0: /* D1 vblank */
2649 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
2650 if (rdev->irq.crtc_vblank_int[0]) {
2651 drm_handle_vblank(rdev->ddev, 0);
2652 rdev->pm.vblank_sync = true;
2653 wake_up(&rdev->irq.vblank_queue);
2654 }
2655 if (rdev->irq.pflip[0])
2656 radeon_crtc_handle_flip(rdev, 0);
2657 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
2658 DRM_DEBUG("IH: D1 vblank\n");
2659 }
2660 break;
2661 case 1: /* D1 vline */
2662 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
2663 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
2664 DRM_DEBUG("IH: D1 vline\n");
2665 }
2666 break;
2667 default:
2668 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2669 break;
2670 }
2671 break;
2672 case 2: /* D2 vblank/vline */
2673 switch (src_data) {
2674 case 0: /* D2 vblank */
2675 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
2676 if (rdev->irq.crtc_vblank_int[1]) {
2677 drm_handle_vblank(rdev->ddev, 1);
2678 rdev->pm.vblank_sync = true;
2679 wake_up(&rdev->irq.vblank_queue);
2680 }
2681 if (rdev->irq.pflip[1])
2682 radeon_crtc_handle_flip(rdev, 1);
2683 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
2684 DRM_DEBUG("IH: D2 vblank\n");
2685 }
2686 break;
2687 case 1: /* D2 vline */
2688 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
2689 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
2690 DRM_DEBUG("IH: D2 vline\n");
2691 }
2692 break;
2693 default:
2694 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2695 break;
2696 }
2697 break;
2698 case 3: /* D3 vblank/vline */
2699 switch (src_data) {
2700 case 0: /* D3 vblank */
2701 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
2702 if (rdev->irq.crtc_vblank_int[2]) {
2703 drm_handle_vblank(rdev->ddev, 2);
2704 rdev->pm.vblank_sync = true;
2705 wake_up(&rdev->irq.vblank_queue);
2706 }
2707 if (rdev->irq.pflip[2])
2708 radeon_crtc_handle_flip(rdev, 2);
2709 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
2710 DRM_DEBUG("IH: D3 vblank\n");
2711 }
2712 break;
2713 case 1: /* D3 vline */
2714 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
2715 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
2716 DRM_DEBUG("IH: D3 vline\n");
2717 }
2718 break;
2719 default:
2720 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2721 break;
2722 }
2723 break;
2724 case 4: /* D4 vblank/vline */
2725 switch (src_data) {
2726 case 0: /* D4 vblank */
2727 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
2728 if (rdev->irq.crtc_vblank_int[3]) {
2729 drm_handle_vblank(rdev->ddev, 3);
2730 rdev->pm.vblank_sync = true;
2731 wake_up(&rdev->irq.vblank_queue);
2732 }
2733 if (rdev->irq.pflip[3])
2734 radeon_crtc_handle_flip(rdev, 3);
2735 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
2736 DRM_DEBUG("IH: D4 vblank\n");
2737 }
2738 break;
2739 case 1: /* D4 vline */
2740 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
2741 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
2742 DRM_DEBUG("IH: D4 vline\n");
2743 }
2744 break;
2745 default:
2746 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2747 break;
2748 }
2749 break;
2750 case 5: /* D5 vblank/vline */
2751 switch (src_data) {
2752 case 0: /* D5 vblank */
2753 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
2754 if (rdev->irq.crtc_vblank_int[4]) {
2755 drm_handle_vblank(rdev->ddev, 4);
2756 rdev->pm.vblank_sync = true;
2757 wake_up(&rdev->irq.vblank_queue);
2758 }
2759 if (rdev->irq.pflip[4])
2760 radeon_crtc_handle_flip(rdev, 4);
2761 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
2762 DRM_DEBUG("IH: D5 vblank\n");
2763 }
2764 break;
2765 case 1: /* D5 vline */
2766 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
2767 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
2768 DRM_DEBUG("IH: D5 vline\n");
2769 }
2770 break;
2771 default:
2772 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2773 break;
2774 }
2775 break;
2776 case 6: /* D6 vblank/vline */
2777 switch (src_data) {
2778 case 0: /* D6 vblank */
2779 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
2780 if (rdev->irq.crtc_vblank_int[5]) {
2781 drm_handle_vblank(rdev->ddev, 5);
2782 rdev->pm.vblank_sync = true;
2783 wake_up(&rdev->irq.vblank_queue);
2784 }
2785 if (rdev->irq.pflip[5])
2786 radeon_crtc_handle_flip(rdev, 5);
2787 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
2788 DRM_DEBUG("IH: D6 vblank\n");
2789 }
2790 break;
2791 case 1: /* D6 vline */
2792 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
2793 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
2794 DRM_DEBUG("IH: D6 vline\n");
2795 }
2796 break;
2797 default:
2798 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2799 break;
2800 }
2801 break;
2802 case 42: /* HPD hotplug */
2803 switch (src_data) {
2804 case 0:
2805 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2806 rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
2807 queue_hotplug = true;
2808 DRM_DEBUG("IH: HPD1\n");
2809 }
2810 break;
2811 case 1:
2812 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2813 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
2814 queue_hotplug = true;
2815 DRM_DEBUG("IH: HPD2\n");
2816 }
2817 break;
2818 case 2:
2819 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2820 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
2821 queue_hotplug = true;
2822 DRM_DEBUG("IH: HPD3\n");
2823 }
2824 break;
2825 case 3:
2826 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2827 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
2828 queue_hotplug = true;
2829 DRM_DEBUG("IH: HPD4\n");
2830 }
2831 break;
2832 case 4:
2833 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2834 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
2835 queue_hotplug = true;
2836 DRM_DEBUG("IH: HPD5\n");
2837 }
2838 break;
2839 case 5:
2840 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2841 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
2842 queue_hotplug = true;
2843 DRM_DEBUG("IH: HPD6\n");
2844 }
2845 break;
2846 default:
2847 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2848 break;
2849 }
2850 break;
2851 case 176: /* CP_INT in ring buffer */
2852 case 177: /* CP_INT in IB1 */
2853 case 178: /* CP_INT in IB2 */
2854 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
2855 radeon_fence_process(rdev);
2856 break;
2857 case 181: /* CP EOP event */
2858 DRM_DEBUG("IH: CP EOP\n");
2859 radeon_fence_process(rdev);
2860 break;
2861 case 233: /* GUI IDLE */
2862 DRM_DEBUG("IH: CP EOP\n");
2863 rdev->pm.gui_idle = true;
2864 wake_up(&rdev->irq.idle_queue);
2865 break;
2866 default:
2867 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2868 break;
2869 }
2870
2871 /* wptr/rptr are in bytes! */
2872 rptr += 16;
2873 rptr &= rdev->ih.ptr_mask;
2874 }
2875 /* make sure wptr hasn't changed while processing */
2876 wptr = evergreen_get_ih_wptr(rdev);
2877 if (wptr != rdev->ih.wptr)
2878 goto restart_ih;
2879 if (queue_hotplug)
2880 schedule_work(&rdev->hotplug_work);
2881 rdev->ih.rptr = rptr;
2882 WREG32(IH_RB_RPTR, rdev->ih.rptr);
2883 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2884 return IRQ_HANDLED;
2885 }
2886
2887 static int evergreen_startup(struct radeon_device *rdev)
2888 {
2889 int r;
2890
2891 /* enable pcie gen2 link */
2892 if (!ASIC_IS_DCE5(rdev))
2893 evergreen_pcie_gen2_enable(rdev);
2894
2895 if (ASIC_IS_DCE5(rdev)) {
2896 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2897 r = ni_init_microcode(rdev);
2898 if (r) {
2899 DRM_ERROR("Failed to load firmware!\n");
2900 return r;
2901 }
2902 }
2903 r = ni_mc_load_microcode(rdev);
2904 if (r) {
2905 DRM_ERROR("Failed to load MC firmware!\n");
2906 return r;
2907 }
2908 } else {
2909 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2910 r = r600_init_microcode(rdev);
2911 if (r) {
2912 DRM_ERROR("Failed to load firmware!\n");
2913 return r;
2914 }
2915 }
2916 }
2917
2918 evergreen_mc_program(rdev);
2919 if (rdev->flags & RADEON_IS_AGP) {
2920 evergreen_agp_enable(rdev);
2921 } else {
2922 r = evergreen_pcie_gart_enable(rdev);
2923 if (r)
2924 return r;
2925 }
2926 evergreen_gpu_init(rdev);
2927
2928 r = evergreen_blit_init(rdev);
2929 if (r) {
2930 evergreen_blit_fini(rdev);
2931 rdev->asic->copy = NULL;
2932 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2933 }
2934 /* XXX: ontario has problems blitting to gart at the moment */
2935 if (rdev->family == CHIP_PALM) {
2936 rdev->asic->copy = NULL;
2937 rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
2938 }
2939
2940 /* allocate wb buffer */
2941 r = radeon_wb_init(rdev);
2942 if (r)
2943 return r;
2944
2945 /* Enable IRQ */
2946 r = r600_irq_init(rdev);
2947 if (r) {
2948 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2949 radeon_irq_kms_fini(rdev);
2950 return r;
2951 }
2952 evergreen_irq_set(rdev);
2953
2954 r = radeon_ring_init(rdev, rdev->cp.ring_size);
2955 if (r)
2956 return r;
2957 r = evergreen_cp_load_microcode(rdev);
2958 if (r)
2959 return r;
2960 r = evergreen_cp_resume(rdev);
2961 if (r)
2962 return r;
2963
2964 return 0;
2965 }
2966
2967 int evergreen_resume(struct radeon_device *rdev)
2968 {
2969 int r;
2970
2971 /* reset the asic, the gfx blocks are often in a bad state
2972 * after the driver is unloaded or after a resume
2973 */
2974 if (radeon_asic_reset(rdev))
2975 dev_warn(rdev->dev, "GPU reset failed !\n");
2976 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2977 * posting will perform necessary task to bring back GPU into good
2978 * shape.
2979 */
2980 /* post card */
2981 atom_asic_init(rdev->mode_info.atom_context);
2982
2983 r = evergreen_startup(rdev);
2984 if (r) {
2985 DRM_ERROR("evergreen startup failed on resume\n");
2986 return r;
2987 }
2988
2989 r = r600_ib_test(rdev);
2990 if (r) {
2991 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2992 return r;
2993 }
2994
2995 return r;
2996
2997 }
2998
2999 int evergreen_suspend(struct radeon_device *rdev)
3000 {
3001 int r;
3002
3003 /* FIXME: we should wait for ring to be empty */
3004 r700_cp_stop(rdev);
3005 rdev->cp.ready = false;
3006 evergreen_irq_suspend(rdev);
3007 radeon_wb_disable(rdev);
3008 evergreen_pcie_gart_disable(rdev);
3009
3010 /* unpin shaders bo */
3011 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
3012 if (likely(r == 0)) {
3013 radeon_bo_unpin(rdev->r600_blit.shader_obj);
3014 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
3015 }
3016
3017 return 0;
3018 }
3019
3020 int evergreen_copy_blit(struct radeon_device *rdev,
3021 uint64_t src_offset, uint64_t dst_offset,
3022 unsigned num_pages, struct radeon_fence *fence)
3023 {
3024 int r;
3025
3026 mutex_lock(&rdev->r600_blit.mutex);
3027 rdev->r600_blit.vb_ib = NULL;
3028 r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
3029 if (r) {
3030 if (rdev->r600_blit.vb_ib)
3031 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
3032 mutex_unlock(&rdev->r600_blit.mutex);
3033 return r;
3034 }
3035 evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
3036 evergreen_blit_done_copy(rdev, fence);
3037 mutex_unlock(&rdev->r600_blit.mutex);
3038 return 0;
3039 }
3040
3041 /* Plan is to move initialization in that function and use
3042 * helper function so that radeon_device_init pretty much
3043 * do nothing more than calling asic specific function. This
3044 * should also allow to remove a bunch of callback function
3045 * like vram_info.
3046 */
3047 int evergreen_init(struct radeon_device *rdev)
3048 {
3049 int r;
3050
3051 r = radeon_dummy_page_init(rdev);
3052 if (r)
3053 return r;
3054 /* This don't do much */
3055 r = radeon_gem_init(rdev);
3056 if (r)
3057 return r;
3058 /* Read BIOS */
3059 if (!radeon_get_bios(rdev)) {
3060 if (ASIC_IS_AVIVO(rdev))
3061 return -EINVAL;
3062 }
3063 /* Must be an ATOMBIOS */
3064 if (!rdev->is_atom_bios) {
3065 dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
3066 return -EINVAL;
3067 }
3068 r = radeon_atombios_init(rdev);
3069 if (r)
3070 return r;
3071 /* reset the asic, the gfx blocks are often in a bad state
3072 * after the driver is unloaded or after a resume
3073 */
3074 if (radeon_asic_reset(rdev))
3075 dev_warn(rdev->dev, "GPU reset failed !\n");
3076 /* Post card if necessary */
3077 if (!radeon_card_posted(rdev)) {
3078 if (!rdev->bios) {
3079 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3080 return -EINVAL;
3081 }
3082 DRM_INFO("GPU not posted. posting now...\n");
3083 atom_asic_init(rdev->mode_info.atom_context);
3084 }
3085 /* Initialize scratch registers */
3086 r600_scratch_init(rdev);
3087 /* Initialize surface registers */
3088 radeon_surface_init(rdev);
3089 /* Initialize clocks */
3090 radeon_get_clock_info(rdev->ddev);
3091 /* Fence driver */
3092 r = radeon_fence_driver_init(rdev);
3093 if (r)
3094 return r;
3095 /* initialize AGP */
3096 if (rdev->flags & RADEON_IS_AGP) {
3097 r = radeon_agp_init(rdev);
3098 if (r)
3099 radeon_agp_disable(rdev);
3100 }
3101 /* initialize memory controller */
3102 r = evergreen_mc_init(rdev);
3103 if (r)
3104 return r;
3105 /* Memory manager */
3106 r = radeon_bo_init(rdev);
3107 if (r)
3108 return r;
3109
3110 r = radeon_irq_kms_init(rdev);
3111 if (r)
3112 return r;
3113
3114 rdev->cp.ring_obj = NULL;
3115 r600_ring_init(rdev, 1024 * 1024);
3116
3117 rdev->ih.ring_obj = NULL;
3118 r600_ih_ring_init(rdev, 64 * 1024);
3119
3120 r = r600_pcie_gart_init(rdev);
3121 if (r)
3122 return r;
3123
3124 rdev->accel_working = true;
3125 r = evergreen_startup(rdev);
3126 if (r) {
3127 dev_err(rdev->dev, "disabling GPU acceleration\n");
3128 r700_cp_fini(rdev);
3129 r600_irq_fini(rdev);
3130 radeon_wb_fini(rdev);
3131 radeon_irq_kms_fini(rdev);
3132 evergreen_pcie_gart_fini(rdev);
3133 rdev->accel_working = false;
3134 }
3135 if (rdev->accel_working) {
3136 r = radeon_ib_pool_init(rdev);
3137 if (r) {
3138 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
3139 rdev->accel_working = false;
3140 }
3141 r = r600_ib_test(rdev);
3142 if (r) {
3143 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
3144 rdev->accel_working = false;
3145 }
3146 }
3147 return 0;
3148 }
3149
3150 void evergreen_fini(struct radeon_device *rdev)
3151 {
3152 evergreen_blit_fini(rdev);
3153 r700_cp_fini(rdev);
3154 r600_irq_fini(rdev);
3155 radeon_wb_fini(rdev);
3156 radeon_irq_kms_fini(rdev);
3157 evergreen_pcie_gart_fini(rdev);
3158 radeon_gem_fini(rdev);
3159 radeon_fence_driver_fini(rdev);
3160 radeon_agp_fini(rdev);
3161 radeon_bo_fini(rdev);
3162 radeon_atombios_fini(rdev);
3163 kfree(rdev->bios);
3164 rdev->bios = NULL;
3165 radeon_dummy_page_fini(rdev);
3166 }
3167
3168 static void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
3169 {
3170 u32 link_width_cntl, speed_cntl;
3171
3172 if (radeon_pcie_gen2 == 0)
3173 return;
3174
3175 if (rdev->flags & RADEON_IS_IGP)
3176 return;
3177
3178 if (!(rdev->flags & RADEON_IS_PCIE))
3179 return;
3180
3181 /* x2 cards have a special sequence */
3182 if (ASIC_IS_X2(rdev))
3183 return;
3184
3185 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3186 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
3187 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3188
3189 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3190 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3191 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3192
3193 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3194 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3195 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3196
3197 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3198 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3199 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3200
3201 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3202 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3203 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3204
3205 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3206 speed_cntl |= LC_GEN2_EN_STRAP;
3207 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3208
3209 } else {
3210 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3211 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3212 if (1)
3213 link_width_cntl |= LC_UPCONFIGURE_DIS;
3214 else
3215 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3216 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3217 }
3218 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree