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Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/linux.git] / drivers / gpu / drm / radeon / evergreen.c
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
36 #define EVERGREEN_PFP_UCODE_SIZE 1120
37 #define EVERGREEN_PM4_UCODE_SIZE 1376
38
39 static void evergreen_gpu_init(struct radeon_device *rdev);
40 void evergreen_fini(struct radeon_device *rdev);
41
42 /* get temperature in millidegrees */
43 u32 evergreen_get_temp(struct radeon_device *rdev)
44 {
45 u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
46 ASIC_T_SHIFT;
47 u32 actual_temp = 0;
48
49 if ((temp >> 10) & 1)
50 actual_temp = 0;
51 else if ((temp >> 9) & 1)
52 actual_temp = 255;
53 else
54 actual_temp = (temp >> 1) & 0xff;
55
56 return actual_temp * 1000;
57 }
58
59 void evergreen_pm_misc(struct radeon_device *rdev)
60 {
61 int req_ps_idx = rdev->pm.requested_power_state_index;
62 int req_cm_idx = rdev->pm.requested_clock_mode_index;
63 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
64 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
65
66 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
67 if (voltage->voltage != rdev->pm.current_vddc) {
68 radeon_atom_set_voltage(rdev, voltage->voltage);
69 rdev->pm.current_vddc = voltage->voltage;
70 DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
71 }
72 }
73 }
74
75 void evergreen_pm_prepare(struct radeon_device *rdev)
76 {
77 struct drm_device *ddev = rdev->ddev;
78 struct drm_crtc *crtc;
79 struct radeon_crtc *radeon_crtc;
80 u32 tmp;
81
82 /* disable any active CRTCs */
83 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
84 radeon_crtc = to_radeon_crtc(crtc);
85 if (radeon_crtc->enabled) {
86 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
87 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
88 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
89 }
90 }
91 }
92
93 void evergreen_pm_finish(struct radeon_device *rdev)
94 {
95 struct drm_device *ddev = rdev->ddev;
96 struct drm_crtc *crtc;
97 struct radeon_crtc *radeon_crtc;
98 u32 tmp;
99
100 /* enable any active CRTCs */
101 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
102 radeon_crtc = to_radeon_crtc(crtc);
103 if (radeon_crtc->enabled) {
104 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
105 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
106 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
107 }
108 }
109 }
110
111 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
112 {
113 bool connected = false;
114
115 switch (hpd) {
116 case RADEON_HPD_1:
117 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
118 connected = true;
119 break;
120 case RADEON_HPD_2:
121 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
122 connected = true;
123 break;
124 case RADEON_HPD_3:
125 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
126 connected = true;
127 break;
128 case RADEON_HPD_4:
129 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
130 connected = true;
131 break;
132 case RADEON_HPD_5:
133 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
134 connected = true;
135 break;
136 case RADEON_HPD_6:
137 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
138 connected = true;
139 break;
140 default:
141 break;
142 }
143
144 return connected;
145 }
146
147 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
148 enum radeon_hpd_id hpd)
149 {
150 u32 tmp;
151 bool connected = evergreen_hpd_sense(rdev, hpd);
152
153 switch (hpd) {
154 case RADEON_HPD_1:
155 tmp = RREG32(DC_HPD1_INT_CONTROL);
156 if (connected)
157 tmp &= ~DC_HPDx_INT_POLARITY;
158 else
159 tmp |= DC_HPDx_INT_POLARITY;
160 WREG32(DC_HPD1_INT_CONTROL, tmp);
161 break;
162 case RADEON_HPD_2:
163 tmp = RREG32(DC_HPD2_INT_CONTROL);
164 if (connected)
165 tmp &= ~DC_HPDx_INT_POLARITY;
166 else
167 tmp |= DC_HPDx_INT_POLARITY;
168 WREG32(DC_HPD2_INT_CONTROL, tmp);
169 break;
170 case RADEON_HPD_3:
171 tmp = RREG32(DC_HPD3_INT_CONTROL);
172 if (connected)
173 tmp &= ~DC_HPDx_INT_POLARITY;
174 else
175 tmp |= DC_HPDx_INT_POLARITY;
176 WREG32(DC_HPD3_INT_CONTROL, tmp);
177 break;
178 case RADEON_HPD_4:
179 tmp = RREG32(DC_HPD4_INT_CONTROL);
180 if (connected)
181 tmp &= ~DC_HPDx_INT_POLARITY;
182 else
183 tmp |= DC_HPDx_INT_POLARITY;
184 WREG32(DC_HPD4_INT_CONTROL, tmp);
185 break;
186 case RADEON_HPD_5:
187 tmp = RREG32(DC_HPD5_INT_CONTROL);
188 if (connected)
189 tmp &= ~DC_HPDx_INT_POLARITY;
190 else
191 tmp |= DC_HPDx_INT_POLARITY;
192 WREG32(DC_HPD5_INT_CONTROL, tmp);
193 break;
194 case RADEON_HPD_6:
195 tmp = RREG32(DC_HPD6_INT_CONTROL);
196 if (connected)
197 tmp &= ~DC_HPDx_INT_POLARITY;
198 else
199 tmp |= DC_HPDx_INT_POLARITY;
200 WREG32(DC_HPD6_INT_CONTROL, tmp);
201 break;
202 default:
203 break;
204 }
205 }
206
207 void evergreen_hpd_init(struct radeon_device *rdev)
208 {
209 struct drm_device *dev = rdev->ddev;
210 struct drm_connector *connector;
211 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
212 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
213
214 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
215 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
216 switch (radeon_connector->hpd.hpd) {
217 case RADEON_HPD_1:
218 WREG32(DC_HPD1_CONTROL, tmp);
219 rdev->irq.hpd[0] = true;
220 break;
221 case RADEON_HPD_2:
222 WREG32(DC_HPD2_CONTROL, tmp);
223 rdev->irq.hpd[1] = true;
224 break;
225 case RADEON_HPD_3:
226 WREG32(DC_HPD3_CONTROL, tmp);
227 rdev->irq.hpd[2] = true;
228 break;
229 case RADEON_HPD_4:
230 WREG32(DC_HPD4_CONTROL, tmp);
231 rdev->irq.hpd[3] = true;
232 break;
233 case RADEON_HPD_5:
234 WREG32(DC_HPD5_CONTROL, tmp);
235 rdev->irq.hpd[4] = true;
236 break;
237 case RADEON_HPD_6:
238 WREG32(DC_HPD6_CONTROL, tmp);
239 rdev->irq.hpd[5] = true;
240 break;
241 default:
242 break;
243 }
244 }
245 if (rdev->irq.installed)
246 evergreen_irq_set(rdev);
247 }
248
249 void evergreen_hpd_fini(struct radeon_device *rdev)
250 {
251 struct drm_device *dev = rdev->ddev;
252 struct drm_connector *connector;
253
254 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
255 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
256 switch (radeon_connector->hpd.hpd) {
257 case RADEON_HPD_1:
258 WREG32(DC_HPD1_CONTROL, 0);
259 rdev->irq.hpd[0] = false;
260 break;
261 case RADEON_HPD_2:
262 WREG32(DC_HPD2_CONTROL, 0);
263 rdev->irq.hpd[1] = false;
264 break;
265 case RADEON_HPD_3:
266 WREG32(DC_HPD3_CONTROL, 0);
267 rdev->irq.hpd[2] = false;
268 break;
269 case RADEON_HPD_4:
270 WREG32(DC_HPD4_CONTROL, 0);
271 rdev->irq.hpd[3] = false;
272 break;
273 case RADEON_HPD_5:
274 WREG32(DC_HPD5_CONTROL, 0);
275 rdev->irq.hpd[4] = false;
276 break;
277 case RADEON_HPD_6:
278 WREG32(DC_HPD6_CONTROL, 0);
279 rdev->irq.hpd[5] = false;
280 break;
281 default:
282 break;
283 }
284 }
285 }
286
287 void evergreen_bandwidth_update(struct radeon_device *rdev)
288 {
289 /* XXX */
290 }
291
292 static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
293 {
294 unsigned i;
295 u32 tmp;
296
297 for (i = 0; i < rdev->usec_timeout; i++) {
298 /* read MC_STATUS */
299 tmp = RREG32(SRBM_STATUS) & 0x1F00;
300 if (!tmp)
301 return 0;
302 udelay(1);
303 }
304 return -1;
305 }
306
307 /*
308 * GART
309 */
310 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
311 {
312 unsigned i;
313 u32 tmp;
314
315 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
316 for (i = 0; i < rdev->usec_timeout; i++) {
317 /* read MC_STATUS */
318 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
319 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
320 if (tmp == 2) {
321 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
322 return;
323 }
324 if (tmp) {
325 return;
326 }
327 udelay(1);
328 }
329 }
330
331 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
332 {
333 u32 tmp;
334 int r;
335
336 if (rdev->gart.table.vram.robj == NULL) {
337 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
338 return -EINVAL;
339 }
340 r = radeon_gart_table_vram_pin(rdev);
341 if (r)
342 return r;
343 radeon_gart_restore(rdev);
344 /* Setup L2 cache */
345 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
346 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
347 EFFECTIVE_L2_QUEUE_SIZE(7));
348 WREG32(VM_L2_CNTL2, 0);
349 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
350 /* Setup TLB control */
351 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
352 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
353 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
354 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
355 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
356 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
357 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
358 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
359 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
360 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
361 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
362 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
363 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
364 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
365 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
366 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
367 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
368 (u32)(rdev->dummy_page.addr >> 12));
369 WREG32(VM_CONTEXT1_CNTL, 0);
370
371 evergreen_pcie_gart_tlb_flush(rdev);
372 rdev->gart.ready = true;
373 return 0;
374 }
375
376 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
377 {
378 u32 tmp;
379 int r;
380
381 /* Disable all tables */
382 WREG32(VM_CONTEXT0_CNTL, 0);
383 WREG32(VM_CONTEXT1_CNTL, 0);
384
385 /* Setup L2 cache */
386 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
387 EFFECTIVE_L2_QUEUE_SIZE(7));
388 WREG32(VM_L2_CNTL2, 0);
389 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
390 /* Setup TLB control */
391 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
392 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
393 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
394 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
395 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
396 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
397 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
398 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
399 if (rdev->gart.table.vram.robj) {
400 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
401 if (likely(r == 0)) {
402 radeon_bo_kunmap(rdev->gart.table.vram.robj);
403 radeon_bo_unpin(rdev->gart.table.vram.robj);
404 radeon_bo_unreserve(rdev->gart.table.vram.robj);
405 }
406 }
407 }
408
409 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
410 {
411 evergreen_pcie_gart_disable(rdev);
412 radeon_gart_table_vram_free(rdev);
413 radeon_gart_fini(rdev);
414 }
415
416
417 void evergreen_agp_enable(struct radeon_device *rdev)
418 {
419 u32 tmp;
420
421 /* Setup L2 cache */
422 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
423 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
424 EFFECTIVE_L2_QUEUE_SIZE(7));
425 WREG32(VM_L2_CNTL2, 0);
426 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
427 /* Setup TLB control */
428 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
429 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
430 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
431 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
432 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
433 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
434 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
435 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
436 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
437 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
438 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
439 WREG32(VM_CONTEXT0_CNTL, 0);
440 WREG32(VM_CONTEXT1_CNTL, 0);
441 }
442
443 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
444 {
445 save->vga_control[0] = RREG32(D1VGA_CONTROL);
446 save->vga_control[1] = RREG32(D2VGA_CONTROL);
447 save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
448 save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
449 save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
450 save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
451 save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
452 save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
453 save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
454 save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
455 save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
456 save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
457 save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
458 save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
459
460 /* Stop all video */
461 WREG32(VGA_RENDER_CONTROL, 0);
462 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
463 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
464 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
465 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
466 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
467 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
468 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
469 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
470 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
471 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
472 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
473 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
474 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
475 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
476 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
477 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
478 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
479 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
480
481 WREG32(D1VGA_CONTROL, 0);
482 WREG32(D2VGA_CONTROL, 0);
483 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
484 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
485 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
486 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
487 }
488
489 static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
490 {
491 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
492 upper_32_bits(rdev->mc.vram_start));
493 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
494 upper_32_bits(rdev->mc.vram_start));
495 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
496 (u32)rdev->mc.vram_start);
497 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
498 (u32)rdev->mc.vram_start);
499
500 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
501 upper_32_bits(rdev->mc.vram_start));
502 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
503 upper_32_bits(rdev->mc.vram_start));
504 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
505 (u32)rdev->mc.vram_start);
506 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
507 (u32)rdev->mc.vram_start);
508
509 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
510 upper_32_bits(rdev->mc.vram_start));
511 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
512 upper_32_bits(rdev->mc.vram_start));
513 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
514 (u32)rdev->mc.vram_start);
515 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
516 (u32)rdev->mc.vram_start);
517
518 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
519 upper_32_bits(rdev->mc.vram_start));
520 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
521 upper_32_bits(rdev->mc.vram_start));
522 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
523 (u32)rdev->mc.vram_start);
524 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
525 (u32)rdev->mc.vram_start);
526
527 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
528 upper_32_bits(rdev->mc.vram_start));
529 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
530 upper_32_bits(rdev->mc.vram_start));
531 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
532 (u32)rdev->mc.vram_start);
533 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
534 (u32)rdev->mc.vram_start);
535
536 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
537 upper_32_bits(rdev->mc.vram_start));
538 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
539 upper_32_bits(rdev->mc.vram_start));
540 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
541 (u32)rdev->mc.vram_start);
542 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
543 (u32)rdev->mc.vram_start);
544
545 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
546 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
547 /* Unlock host access */
548 WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
549 mdelay(1);
550 /* Restore video state */
551 WREG32(D1VGA_CONTROL, save->vga_control[0]);
552 WREG32(D2VGA_CONTROL, save->vga_control[1]);
553 WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
554 WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
555 WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
556 WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
557 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
558 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
559 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
560 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
561 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
562 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
563 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
564 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
565 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
566 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
567 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
568 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
569 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
570 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
571 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
572 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
573 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
574 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
575 WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
576 }
577
578 static void evergreen_mc_program(struct radeon_device *rdev)
579 {
580 struct evergreen_mc_save save;
581 u32 tmp;
582 int i, j;
583
584 /* Initialize HDP */
585 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
586 WREG32((0x2c14 + j), 0x00000000);
587 WREG32((0x2c18 + j), 0x00000000);
588 WREG32((0x2c1c + j), 0x00000000);
589 WREG32((0x2c20 + j), 0x00000000);
590 WREG32((0x2c24 + j), 0x00000000);
591 }
592 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
593
594 evergreen_mc_stop(rdev, &save);
595 if (evergreen_mc_wait_for_idle(rdev)) {
596 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
597 }
598 /* Lockout access through VGA aperture*/
599 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
600 /* Update configuration */
601 if (rdev->flags & RADEON_IS_AGP) {
602 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
603 /* VRAM before AGP */
604 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
605 rdev->mc.vram_start >> 12);
606 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
607 rdev->mc.gtt_end >> 12);
608 } else {
609 /* VRAM after AGP */
610 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
611 rdev->mc.gtt_start >> 12);
612 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
613 rdev->mc.vram_end >> 12);
614 }
615 } else {
616 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
617 rdev->mc.vram_start >> 12);
618 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
619 rdev->mc.vram_end >> 12);
620 }
621 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
622 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
623 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
624 WREG32(MC_VM_FB_LOCATION, tmp);
625 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
626 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
627 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
628 if (rdev->flags & RADEON_IS_AGP) {
629 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
630 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
631 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
632 } else {
633 WREG32(MC_VM_AGP_BASE, 0);
634 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
635 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
636 }
637 if (evergreen_mc_wait_for_idle(rdev)) {
638 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
639 }
640 evergreen_mc_resume(rdev, &save);
641 /* we need to own VRAM, so turn off the VGA renderer here
642 * to stop it overwriting our objects */
643 rv515_vga_render_disable(rdev);
644 }
645
646 /*
647 * CP.
648 */
649
650 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
651 {
652 const __be32 *fw_data;
653 int i;
654
655 if (!rdev->me_fw || !rdev->pfp_fw)
656 return -EINVAL;
657
658 r700_cp_stop(rdev);
659 WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
660
661 fw_data = (const __be32 *)rdev->pfp_fw->data;
662 WREG32(CP_PFP_UCODE_ADDR, 0);
663 for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
664 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
665 WREG32(CP_PFP_UCODE_ADDR, 0);
666
667 fw_data = (const __be32 *)rdev->me_fw->data;
668 WREG32(CP_ME_RAM_WADDR, 0);
669 for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
670 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
671
672 WREG32(CP_PFP_UCODE_ADDR, 0);
673 WREG32(CP_ME_RAM_WADDR, 0);
674 WREG32(CP_ME_RAM_RADDR, 0);
675 return 0;
676 }
677
678 static int evergreen_cp_start(struct radeon_device *rdev)
679 {
680 int r;
681 uint32_t cp_me;
682
683 r = radeon_ring_lock(rdev, 7);
684 if (r) {
685 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
686 return r;
687 }
688 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
689 radeon_ring_write(rdev, 0x1);
690 radeon_ring_write(rdev, 0x0);
691 radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
692 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
693 radeon_ring_write(rdev, 0);
694 radeon_ring_write(rdev, 0);
695 radeon_ring_unlock_commit(rdev);
696
697 cp_me = 0xff;
698 WREG32(CP_ME_CNTL, cp_me);
699
700 r = radeon_ring_lock(rdev, 4);
701 if (r) {
702 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
703 return r;
704 }
705 /* init some VGT regs */
706 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
707 radeon_ring_write(rdev, (VGT_VERTEX_REUSE_BLOCK_CNTL - PACKET3_SET_CONTEXT_REG_START) >> 2);
708 radeon_ring_write(rdev, 0xe);
709 radeon_ring_write(rdev, 0x10);
710 radeon_ring_unlock_commit(rdev);
711
712 return 0;
713 }
714
715 int evergreen_cp_resume(struct radeon_device *rdev)
716 {
717 u32 tmp;
718 u32 rb_bufsz;
719 int r;
720
721 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
722 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
723 SOFT_RESET_PA |
724 SOFT_RESET_SH |
725 SOFT_RESET_VGT |
726 SOFT_RESET_SX));
727 RREG32(GRBM_SOFT_RESET);
728 mdelay(15);
729 WREG32(GRBM_SOFT_RESET, 0);
730 RREG32(GRBM_SOFT_RESET);
731
732 /* Set ring buffer size */
733 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
734 tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
735 #ifdef __BIG_ENDIAN
736 tmp |= BUF_SWAP_32BIT;
737 #endif
738 WREG32(CP_RB_CNTL, tmp);
739 WREG32(CP_SEM_WAIT_TIMER, 0x4);
740
741 /* Set the write pointer delay */
742 WREG32(CP_RB_WPTR_DELAY, 0);
743
744 /* Initialize the ring buffer's read and write pointers */
745 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
746 WREG32(CP_RB_RPTR_WR, 0);
747 WREG32(CP_RB_WPTR, 0);
748 WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF);
749 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr));
750 mdelay(1);
751 WREG32(CP_RB_CNTL, tmp);
752
753 WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
754 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
755
756 rdev->cp.rptr = RREG32(CP_RB_RPTR);
757 rdev->cp.wptr = RREG32(CP_RB_WPTR);
758
759 evergreen_cp_start(rdev);
760 rdev->cp.ready = true;
761 r = radeon_ring_test(rdev);
762 if (r) {
763 rdev->cp.ready = false;
764 return r;
765 }
766 return 0;
767 }
768
769 /*
770 * Core functions
771 */
772 static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
773 u32 num_tile_pipes,
774 u32 num_backends,
775 u32 backend_disable_mask)
776 {
777 u32 backend_map = 0;
778 u32 enabled_backends_mask = 0;
779 u32 enabled_backends_count = 0;
780 u32 cur_pipe;
781 u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
782 u32 cur_backend = 0;
783 u32 i;
784 bool force_no_swizzle;
785
786 if (num_tile_pipes > EVERGREEN_MAX_PIPES)
787 num_tile_pipes = EVERGREEN_MAX_PIPES;
788 if (num_tile_pipes < 1)
789 num_tile_pipes = 1;
790 if (num_backends > EVERGREEN_MAX_BACKENDS)
791 num_backends = EVERGREEN_MAX_BACKENDS;
792 if (num_backends < 1)
793 num_backends = 1;
794
795 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
796 if (((backend_disable_mask >> i) & 1) == 0) {
797 enabled_backends_mask |= (1 << i);
798 ++enabled_backends_count;
799 }
800 if (enabled_backends_count == num_backends)
801 break;
802 }
803
804 if (enabled_backends_count == 0) {
805 enabled_backends_mask = 1;
806 enabled_backends_count = 1;
807 }
808
809 if (enabled_backends_count != num_backends)
810 num_backends = enabled_backends_count;
811
812 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
813 switch (rdev->family) {
814 case CHIP_CEDAR:
815 case CHIP_REDWOOD:
816 force_no_swizzle = false;
817 break;
818 case CHIP_CYPRESS:
819 case CHIP_HEMLOCK:
820 case CHIP_JUNIPER:
821 default:
822 force_no_swizzle = true;
823 break;
824 }
825 if (force_no_swizzle) {
826 bool last_backend_enabled = false;
827
828 force_no_swizzle = false;
829 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
830 if (((enabled_backends_mask >> i) & 1) == 1) {
831 if (last_backend_enabled)
832 force_no_swizzle = true;
833 last_backend_enabled = true;
834 } else
835 last_backend_enabled = false;
836 }
837 }
838
839 switch (num_tile_pipes) {
840 case 1:
841 case 3:
842 case 5:
843 case 7:
844 DRM_ERROR("odd number of pipes!\n");
845 break;
846 case 2:
847 swizzle_pipe[0] = 0;
848 swizzle_pipe[1] = 1;
849 break;
850 case 4:
851 if (force_no_swizzle) {
852 swizzle_pipe[0] = 0;
853 swizzle_pipe[1] = 1;
854 swizzle_pipe[2] = 2;
855 swizzle_pipe[3] = 3;
856 } else {
857 swizzle_pipe[0] = 0;
858 swizzle_pipe[1] = 2;
859 swizzle_pipe[2] = 1;
860 swizzle_pipe[3] = 3;
861 }
862 break;
863 case 6:
864 if (force_no_swizzle) {
865 swizzle_pipe[0] = 0;
866 swizzle_pipe[1] = 1;
867 swizzle_pipe[2] = 2;
868 swizzle_pipe[3] = 3;
869 swizzle_pipe[4] = 4;
870 swizzle_pipe[5] = 5;
871 } else {
872 swizzle_pipe[0] = 0;
873 swizzle_pipe[1] = 2;
874 swizzle_pipe[2] = 4;
875 swizzle_pipe[3] = 1;
876 swizzle_pipe[4] = 3;
877 swizzle_pipe[5] = 5;
878 }
879 break;
880 case 8:
881 if (force_no_swizzle) {
882 swizzle_pipe[0] = 0;
883 swizzle_pipe[1] = 1;
884 swizzle_pipe[2] = 2;
885 swizzle_pipe[3] = 3;
886 swizzle_pipe[4] = 4;
887 swizzle_pipe[5] = 5;
888 swizzle_pipe[6] = 6;
889 swizzle_pipe[7] = 7;
890 } else {
891 swizzle_pipe[0] = 0;
892 swizzle_pipe[1] = 2;
893 swizzle_pipe[2] = 4;
894 swizzle_pipe[3] = 6;
895 swizzle_pipe[4] = 1;
896 swizzle_pipe[5] = 3;
897 swizzle_pipe[6] = 5;
898 swizzle_pipe[7] = 7;
899 }
900 break;
901 }
902
903 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
904 while (((1 << cur_backend) & enabled_backends_mask) == 0)
905 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
906
907 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
908
909 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
910 }
911
912 return backend_map;
913 }
914
915 static void evergreen_gpu_init(struct radeon_device *rdev)
916 {
917 u32 cc_rb_backend_disable = 0;
918 u32 cc_gc_shader_pipe_config;
919 u32 gb_addr_config = 0;
920 u32 mc_shared_chmap, mc_arb_ramcfg;
921 u32 gb_backend_map;
922 u32 grbm_gfx_index;
923 u32 sx_debug_1;
924 u32 smx_dc_ctl0;
925 u32 sq_config;
926 u32 sq_lds_resource_mgmt;
927 u32 sq_gpr_resource_mgmt_1;
928 u32 sq_gpr_resource_mgmt_2;
929 u32 sq_gpr_resource_mgmt_3;
930 u32 sq_thread_resource_mgmt;
931 u32 sq_thread_resource_mgmt_2;
932 u32 sq_stack_resource_mgmt_1;
933 u32 sq_stack_resource_mgmt_2;
934 u32 sq_stack_resource_mgmt_3;
935 u32 vgt_cache_invalidation;
936 u32 hdp_host_path_cntl;
937 int i, j, num_shader_engines, ps_thread_count;
938
939 switch (rdev->family) {
940 case CHIP_CYPRESS:
941 case CHIP_HEMLOCK:
942 rdev->config.evergreen.num_ses = 2;
943 rdev->config.evergreen.max_pipes = 4;
944 rdev->config.evergreen.max_tile_pipes = 8;
945 rdev->config.evergreen.max_simds = 10;
946 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
947 rdev->config.evergreen.max_gprs = 256;
948 rdev->config.evergreen.max_threads = 248;
949 rdev->config.evergreen.max_gs_threads = 32;
950 rdev->config.evergreen.max_stack_entries = 512;
951 rdev->config.evergreen.sx_num_of_sets = 4;
952 rdev->config.evergreen.sx_max_export_size = 256;
953 rdev->config.evergreen.sx_max_export_pos_size = 64;
954 rdev->config.evergreen.sx_max_export_smx_size = 192;
955 rdev->config.evergreen.max_hw_contexts = 8;
956 rdev->config.evergreen.sq_num_cf_insts = 2;
957
958 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
959 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
960 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
961 break;
962 case CHIP_JUNIPER:
963 rdev->config.evergreen.num_ses = 1;
964 rdev->config.evergreen.max_pipes = 4;
965 rdev->config.evergreen.max_tile_pipes = 4;
966 rdev->config.evergreen.max_simds = 10;
967 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
968 rdev->config.evergreen.max_gprs = 256;
969 rdev->config.evergreen.max_threads = 248;
970 rdev->config.evergreen.max_gs_threads = 32;
971 rdev->config.evergreen.max_stack_entries = 512;
972 rdev->config.evergreen.sx_num_of_sets = 4;
973 rdev->config.evergreen.sx_max_export_size = 256;
974 rdev->config.evergreen.sx_max_export_pos_size = 64;
975 rdev->config.evergreen.sx_max_export_smx_size = 192;
976 rdev->config.evergreen.max_hw_contexts = 8;
977 rdev->config.evergreen.sq_num_cf_insts = 2;
978
979 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
980 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
981 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
982 break;
983 case CHIP_REDWOOD:
984 rdev->config.evergreen.num_ses = 1;
985 rdev->config.evergreen.max_pipes = 4;
986 rdev->config.evergreen.max_tile_pipes = 4;
987 rdev->config.evergreen.max_simds = 5;
988 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
989 rdev->config.evergreen.max_gprs = 256;
990 rdev->config.evergreen.max_threads = 248;
991 rdev->config.evergreen.max_gs_threads = 32;
992 rdev->config.evergreen.max_stack_entries = 256;
993 rdev->config.evergreen.sx_num_of_sets = 4;
994 rdev->config.evergreen.sx_max_export_size = 256;
995 rdev->config.evergreen.sx_max_export_pos_size = 64;
996 rdev->config.evergreen.sx_max_export_smx_size = 192;
997 rdev->config.evergreen.max_hw_contexts = 8;
998 rdev->config.evergreen.sq_num_cf_insts = 2;
999
1000 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1001 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1002 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1003 break;
1004 case CHIP_CEDAR:
1005 default:
1006 rdev->config.evergreen.num_ses = 1;
1007 rdev->config.evergreen.max_pipes = 2;
1008 rdev->config.evergreen.max_tile_pipes = 2;
1009 rdev->config.evergreen.max_simds = 2;
1010 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1011 rdev->config.evergreen.max_gprs = 256;
1012 rdev->config.evergreen.max_threads = 192;
1013 rdev->config.evergreen.max_gs_threads = 16;
1014 rdev->config.evergreen.max_stack_entries = 256;
1015 rdev->config.evergreen.sx_num_of_sets = 4;
1016 rdev->config.evergreen.sx_max_export_size = 128;
1017 rdev->config.evergreen.sx_max_export_pos_size = 32;
1018 rdev->config.evergreen.sx_max_export_smx_size = 96;
1019 rdev->config.evergreen.max_hw_contexts = 4;
1020 rdev->config.evergreen.sq_num_cf_insts = 1;
1021
1022 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1023 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1024 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1025 break;
1026 }
1027
1028 /* Initialize HDP */
1029 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1030 WREG32((0x2c14 + j), 0x00000000);
1031 WREG32((0x2c18 + j), 0x00000000);
1032 WREG32((0x2c1c + j), 0x00000000);
1033 WREG32((0x2c20 + j), 0x00000000);
1034 WREG32((0x2c24 + j), 0x00000000);
1035 }
1036
1037 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1038
1039 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
1040
1041 cc_gc_shader_pipe_config |=
1042 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
1043 & EVERGREEN_MAX_PIPES_MASK);
1044 cc_gc_shader_pipe_config |=
1045 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
1046 & EVERGREEN_MAX_SIMDS_MASK);
1047
1048 cc_rb_backend_disable =
1049 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
1050 & EVERGREEN_MAX_BACKENDS_MASK);
1051
1052
1053 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1054 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1055
1056 switch (rdev->config.evergreen.max_tile_pipes) {
1057 case 1:
1058 default:
1059 gb_addr_config |= NUM_PIPES(0);
1060 break;
1061 case 2:
1062 gb_addr_config |= NUM_PIPES(1);
1063 break;
1064 case 4:
1065 gb_addr_config |= NUM_PIPES(2);
1066 break;
1067 case 8:
1068 gb_addr_config |= NUM_PIPES(3);
1069 break;
1070 }
1071
1072 gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1073 gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
1074 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
1075 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
1076 gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
1077 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
1078
1079 if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
1080 gb_addr_config |= ROW_SIZE(2);
1081 else
1082 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
1083
1084 if (rdev->ddev->pdev->device == 0x689e) {
1085 u32 efuse_straps_4;
1086 u32 efuse_straps_3;
1087 u8 efuse_box_bit_131_124;
1088
1089 WREG32(RCU_IND_INDEX, 0x204);
1090 efuse_straps_4 = RREG32(RCU_IND_DATA);
1091 WREG32(RCU_IND_INDEX, 0x203);
1092 efuse_straps_3 = RREG32(RCU_IND_DATA);
1093 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
1094
1095 switch(efuse_box_bit_131_124) {
1096 case 0x00:
1097 gb_backend_map = 0x76543210;
1098 break;
1099 case 0x55:
1100 gb_backend_map = 0x77553311;
1101 break;
1102 case 0x56:
1103 gb_backend_map = 0x77553300;
1104 break;
1105 case 0x59:
1106 gb_backend_map = 0x77552211;
1107 break;
1108 case 0x66:
1109 gb_backend_map = 0x77443300;
1110 break;
1111 case 0x99:
1112 gb_backend_map = 0x66552211;
1113 break;
1114 case 0x5a:
1115 gb_backend_map = 0x77552200;
1116 break;
1117 case 0xaa:
1118 gb_backend_map = 0x66442200;
1119 break;
1120 case 0x95:
1121 gb_backend_map = 0x66553311;
1122 break;
1123 default:
1124 DRM_ERROR("bad backend map, using default\n");
1125 gb_backend_map =
1126 evergreen_get_tile_pipe_to_backend_map(rdev,
1127 rdev->config.evergreen.max_tile_pipes,
1128 rdev->config.evergreen.max_backends,
1129 ((EVERGREEN_MAX_BACKENDS_MASK <<
1130 rdev->config.evergreen.max_backends) &
1131 EVERGREEN_MAX_BACKENDS_MASK));
1132 break;
1133 }
1134 } else if (rdev->ddev->pdev->device == 0x68b9) {
1135 u32 efuse_straps_3;
1136 u8 efuse_box_bit_127_124;
1137
1138 WREG32(RCU_IND_INDEX, 0x203);
1139 efuse_straps_3 = RREG32(RCU_IND_DATA);
1140 efuse_box_bit_127_124 = (u8)(efuse_straps_3 & 0xF0000000) >> 28;
1141
1142 switch(efuse_box_bit_127_124) {
1143 case 0x0:
1144 gb_backend_map = 0x00003210;
1145 break;
1146 case 0x5:
1147 case 0x6:
1148 case 0x9:
1149 case 0xa:
1150 gb_backend_map = 0x00003311;
1151 break;
1152 default:
1153 DRM_ERROR("bad backend map, using default\n");
1154 gb_backend_map =
1155 evergreen_get_tile_pipe_to_backend_map(rdev,
1156 rdev->config.evergreen.max_tile_pipes,
1157 rdev->config.evergreen.max_backends,
1158 ((EVERGREEN_MAX_BACKENDS_MASK <<
1159 rdev->config.evergreen.max_backends) &
1160 EVERGREEN_MAX_BACKENDS_MASK));
1161 break;
1162 }
1163 } else
1164 gb_backend_map =
1165 evergreen_get_tile_pipe_to_backend_map(rdev,
1166 rdev->config.evergreen.max_tile_pipes,
1167 rdev->config.evergreen.max_backends,
1168 ((EVERGREEN_MAX_BACKENDS_MASK <<
1169 rdev->config.evergreen.max_backends) &
1170 EVERGREEN_MAX_BACKENDS_MASK));
1171
1172 rdev->config.evergreen.tile_config = gb_addr_config;
1173 WREG32(GB_BACKEND_MAP, gb_backend_map);
1174 WREG32(GB_ADDR_CONFIG, gb_addr_config);
1175 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1176 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1177
1178 num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1179 grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1180
1181 for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1182 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1183 u32 sp = cc_gc_shader_pipe_config;
1184 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1185
1186 if (i == num_shader_engines) {
1187 rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1188 sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1189 }
1190
1191 WREG32(GRBM_GFX_INDEX, gfx);
1192 WREG32(RLC_GFX_INDEX, gfx);
1193
1194 WREG32(CC_RB_BACKEND_DISABLE, rb);
1195 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1196 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1197 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1198 }
1199
1200 grbm_gfx_index |= SE_BROADCAST_WRITES;
1201 WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1202 WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1203
1204 WREG32(CGTS_SYS_TCC_DISABLE, 0);
1205 WREG32(CGTS_TCC_DISABLE, 0);
1206 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1207 WREG32(CGTS_USER_TCC_DISABLE, 0);
1208
1209 /* set HW defaults for 3D engine */
1210 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1211 ROQ_IB2_START(0x2b)));
1212
1213 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1214
1215 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1216 SYNC_GRADIENT |
1217 SYNC_WALKER |
1218 SYNC_ALIGNER));
1219
1220 sx_debug_1 = RREG32(SX_DEBUG_1);
1221 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1222 WREG32(SX_DEBUG_1, sx_debug_1);
1223
1224
1225 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1226 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1227 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1228 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1229
1230 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1231 POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1232 SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1233
1234 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1235 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1236 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1237
1238 WREG32(VGT_NUM_INSTANCES, 1);
1239 WREG32(SPI_CONFIG_CNTL, 0);
1240 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1241 WREG32(CP_PERFMON_CNTL, 0);
1242
1243 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1244 FETCH_FIFO_HIWATER(0x4) |
1245 DONE_FIFO_HIWATER(0xe0) |
1246 ALU_UPDATE_FIFO_HIWATER(0x8)));
1247
1248 sq_config = RREG32(SQ_CONFIG);
1249 sq_config &= ~(PS_PRIO(3) |
1250 VS_PRIO(3) |
1251 GS_PRIO(3) |
1252 ES_PRIO(3));
1253 sq_config |= (VC_ENABLE |
1254 EXPORT_SRC_C |
1255 PS_PRIO(0) |
1256 VS_PRIO(1) |
1257 GS_PRIO(2) |
1258 ES_PRIO(3));
1259
1260 if (rdev->family == CHIP_CEDAR)
1261 /* no vertex cache */
1262 sq_config &= ~VC_ENABLE;
1263
1264 sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
1265
1266 sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
1267 sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
1268 sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
1269 sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1270 sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1271 sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1272 sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1273
1274 if (rdev->family == CHIP_CEDAR)
1275 ps_thread_count = 96;
1276 else
1277 ps_thread_count = 128;
1278
1279 sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
1280 sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1281 sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1282 sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1283 sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1284 sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1285
1286 sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1287 sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1288 sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1289 sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1290 sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1291 sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1292
1293 WREG32(SQ_CONFIG, sq_config);
1294 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1295 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1296 WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
1297 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1298 WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
1299 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1300 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1301 WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
1302 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
1303 WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
1304
1305 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1306 FORCE_EOV_MAX_REZ_CNT(255)));
1307
1308 if (rdev->family == CHIP_CEDAR)
1309 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
1310 else
1311 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
1312 vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
1313 WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
1314
1315 WREG32(VGT_GS_VERTEX_REUSE, 16);
1316 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1317
1318 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
1319 WREG32(VGT_OUT_DEALLOC_CNTL, 16);
1320
1321 WREG32(CB_PERF_CTR0_SEL_0, 0);
1322 WREG32(CB_PERF_CTR0_SEL_1, 0);
1323 WREG32(CB_PERF_CTR1_SEL_0, 0);
1324 WREG32(CB_PERF_CTR1_SEL_1, 0);
1325 WREG32(CB_PERF_CTR2_SEL_0, 0);
1326 WREG32(CB_PERF_CTR2_SEL_1, 0);
1327 WREG32(CB_PERF_CTR3_SEL_0, 0);
1328 WREG32(CB_PERF_CTR3_SEL_1, 0);
1329
1330 /* clear render buffer base addresses */
1331 WREG32(CB_COLOR0_BASE, 0);
1332 WREG32(CB_COLOR1_BASE, 0);
1333 WREG32(CB_COLOR2_BASE, 0);
1334 WREG32(CB_COLOR3_BASE, 0);
1335 WREG32(CB_COLOR4_BASE, 0);
1336 WREG32(CB_COLOR5_BASE, 0);
1337 WREG32(CB_COLOR6_BASE, 0);
1338 WREG32(CB_COLOR7_BASE, 0);
1339 WREG32(CB_COLOR8_BASE, 0);
1340 WREG32(CB_COLOR9_BASE, 0);
1341 WREG32(CB_COLOR10_BASE, 0);
1342 WREG32(CB_COLOR11_BASE, 0);
1343
1344 /* set the shader const cache sizes to 0 */
1345 for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
1346 WREG32(i, 0);
1347 for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
1348 WREG32(i, 0);
1349
1350 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1351 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1352
1353 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1354
1355 udelay(50);
1356
1357 }
1358
1359 int evergreen_mc_init(struct radeon_device *rdev)
1360 {
1361 u32 tmp;
1362 int chansize, numchan;
1363
1364 /* Get VRAM informations */
1365 rdev->mc.vram_is_ddr = true;
1366 tmp = RREG32(MC_ARB_RAMCFG);
1367 if (tmp & CHANSIZE_OVERRIDE) {
1368 chansize = 16;
1369 } else if (tmp & CHANSIZE_MASK) {
1370 chansize = 64;
1371 } else {
1372 chansize = 32;
1373 }
1374 tmp = RREG32(MC_SHARED_CHMAP);
1375 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1376 case 0:
1377 default:
1378 numchan = 1;
1379 break;
1380 case 1:
1381 numchan = 2;
1382 break;
1383 case 2:
1384 numchan = 4;
1385 break;
1386 case 3:
1387 numchan = 8;
1388 break;
1389 }
1390 rdev->mc.vram_width = numchan * chansize;
1391 /* Could aper size report 0 ? */
1392 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1393 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1394 /* Setup GPU memory space */
1395 /* size in MB on evergreen */
1396 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1397 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1398 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1399 r600_vram_gtt_location(rdev, &rdev->mc);
1400 radeon_update_bandwidth_info(rdev);
1401
1402 return 0;
1403 }
1404
1405 bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
1406 {
1407 /* FIXME: implement for evergreen */
1408 return false;
1409 }
1410
1411 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
1412 {
1413 struct evergreen_mc_save save;
1414 u32 srbm_reset = 0;
1415 u32 grbm_reset = 0;
1416
1417 dev_info(rdev->dev, "GPU softreset \n");
1418 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1419 RREG32(GRBM_STATUS));
1420 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1421 RREG32(GRBM_STATUS_SE0));
1422 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1423 RREG32(GRBM_STATUS_SE1));
1424 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1425 RREG32(SRBM_STATUS));
1426 evergreen_mc_stop(rdev, &save);
1427 if (evergreen_mc_wait_for_idle(rdev)) {
1428 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1429 }
1430 /* Disable CP parsing/prefetching */
1431 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1432
1433 /* reset all the gfx blocks */
1434 grbm_reset = (SOFT_RESET_CP |
1435 SOFT_RESET_CB |
1436 SOFT_RESET_DB |
1437 SOFT_RESET_PA |
1438 SOFT_RESET_SC |
1439 SOFT_RESET_SPI |
1440 SOFT_RESET_SH |
1441 SOFT_RESET_SX |
1442 SOFT_RESET_TC |
1443 SOFT_RESET_TA |
1444 SOFT_RESET_VC |
1445 SOFT_RESET_VGT);
1446
1447 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1448 WREG32(GRBM_SOFT_RESET, grbm_reset);
1449 (void)RREG32(GRBM_SOFT_RESET);
1450 udelay(50);
1451 WREG32(GRBM_SOFT_RESET, 0);
1452 (void)RREG32(GRBM_SOFT_RESET);
1453
1454 /* reset all the system blocks */
1455 srbm_reset = SRBM_SOFT_RESET_ALL_MASK;
1456
1457 dev_info(rdev->dev, " SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
1458 WREG32(SRBM_SOFT_RESET, srbm_reset);
1459 (void)RREG32(SRBM_SOFT_RESET);
1460 udelay(50);
1461 WREG32(SRBM_SOFT_RESET, 0);
1462 (void)RREG32(SRBM_SOFT_RESET);
1463 /* Wait a little for things to settle down */
1464 udelay(50);
1465 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1466 RREG32(GRBM_STATUS));
1467 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1468 RREG32(GRBM_STATUS_SE0));
1469 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1470 RREG32(GRBM_STATUS_SE1));
1471 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1472 RREG32(SRBM_STATUS));
1473 /* After reset we need to reinit the asic as GPU often endup in an
1474 * incoherent state.
1475 */
1476 atom_asic_init(rdev->mode_info.atom_context);
1477 evergreen_mc_resume(rdev, &save);
1478 return 0;
1479 }
1480
1481 int evergreen_asic_reset(struct radeon_device *rdev)
1482 {
1483 return evergreen_gpu_soft_reset(rdev);
1484 }
1485
1486 /* Interrupts */
1487
1488 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
1489 {
1490 switch (crtc) {
1491 case 0:
1492 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
1493 case 1:
1494 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
1495 case 2:
1496 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
1497 case 3:
1498 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
1499 case 4:
1500 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
1501 case 5:
1502 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
1503 default:
1504 return 0;
1505 }
1506 }
1507
1508 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
1509 {
1510 u32 tmp;
1511
1512 WREG32(CP_INT_CNTL, 0);
1513 WREG32(GRBM_INT_CNTL, 0);
1514 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1515 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1516 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1517 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1518 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1519 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1520
1521 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1522 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1523 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1524 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1525 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1526 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1527
1528 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1529 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
1530
1531 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1532 WREG32(DC_HPD1_INT_CONTROL, tmp);
1533 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1534 WREG32(DC_HPD2_INT_CONTROL, tmp);
1535 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1536 WREG32(DC_HPD3_INT_CONTROL, tmp);
1537 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1538 WREG32(DC_HPD4_INT_CONTROL, tmp);
1539 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1540 WREG32(DC_HPD5_INT_CONTROL, tmp);
1541 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1542 WREG32(DC_HPD6_INT_CONTROL, tmp);
1543
1544 }
1545
1546 int evergreen_irq_set(struct radeon_device *rdev)
1547 {
1548 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
1549 u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
1550 u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
1551 u32 grbm_int_cntl = 0;
1552
1553 if (!rdev->irq.installed) {
1554 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
1555 return -EINVAL;
1556 }
1557 /* don't enable anything if the ih is disabled */
1558 if (!rdev->ih.enabled) {
1559 r600_disable_interrupts(rdev);
1560 /* force the active interrupt state to all disabled */
1561 evergreen_disable_interrupt_state(rdev);
1562 return 0;
1563 }
1564
1565 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
1566 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
1567 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
1568 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
1569 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
1570 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
1571
1572 if (rdev->irq.sw_int) {
1573 DRM_DEBUG("evergreen_irq_set: sw int\n");
1574 cp_int_cntl |= RB_INT_ENABLE;
1575 }
1576 if (rdev->irq.crtc_vblank_int[0]) {
1577 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
1578 crtc1 |= VBLANK_INT_MASK;
1579 }
1580 if (rdev->irq.crtc_vblank_int[1]) {
1581 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
1582 crtc2 |= VBLANK_INT_MASK;
1583 }
1584 if (rdev->irq.crtc_vblank_int[2]) {
1585 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
1586 crtc3 |= VBLANK_INT_MASK;
1587 }
1588 if (rdev->irq.crtc_vblank_int[3]) {
1589 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
1590 crtc4 |= VBLANK_INT_MASK;
1591 }
1592 if (rdev->irq.crtc_vblank_int[4]) {
1593 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
1594 crtc5 |= VBLANK_INT_MASK;
1595 }
1596 if (rdev->irq.crtc_vblank_int[5]) {
1597 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
1598 crtc6 |= VBLANK_INT_MASK;
1599 }
1600 if (rdev->irq.hpd[0]) {
1601 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
1602 hpd1 |= DC_HPDx_INT_EN;
1603 }
1604 if (rdev->irq.hpd[1]) {
1605 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
1606 hpd2 |= DC_HPDx_INT_EN;
1607 }
1608 if (rdev->irq.hpd[2]) {
1609 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
1610 hpd3 |= DC_HPDx_INT_EN;
1611 }
1612 if (rdev->irq.hpd[3]) {
1613 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
1614 hpd4 |= DC_HPDx_INT_EN;
1615 }
1616 if (rdev->irq.hpd[4]) {
1617 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
1618 hpd5 |= DC_HPDx_INT_EN;
1619 }
1620 if (rdev->irq.hpd[5]) {
1621 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
1622 hpd6 |= DC_HPDx_INT_EN;
1623 }
1624 if (rdev->irq.gui_idle) {
1625 DRM_DEBUG("gui idle\n");
1626 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
1627 }
1628
1629 WREG32(CP_INT_CNTL, cp_int_cntl);
1630 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
1631
1632 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
1633 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
1634 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
1635 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
1636 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
1637 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
1638
1639 WREG32(DC_HPD1_INT_CONTROL, hpd1);
1640 WREG32(DC_HPD2_INT_CONTROL, hpd2);
1641 WREG32(DC_HPD3_INT_CONTROL, hpd3);
1642 WREG32(DC_HPD4_INT_CONTROL, hpd4);
1643 WREG32(DC_HPD5_INT_CONTROL, hpd5);
1644 WREG32(DC_HPD6_INT_CONTROL, hpd6);
1645
1646 return 0;
1647 }
1648
1649 static inline void evergreen_irq_ack(struct radeon_device *rdev,
1650 u32 *disp_int,
1651 u32 *disp_int_cont,
1652 u32 *disp_int_cont2,
1653 u32 *disp_int_cont3,
1654 u32 *disp_int_cont4,
1655 u32 *disp_int_cont5)
1656 {
1657 u32 tmp;
1658
1659 *disp_int = RREG32(DISP_INTERRUPT_STATUS);
1660 *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
1661 *disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
1662 *disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
1663 *disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
1664 *disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
1665
1666 if (*disp_int & LB_D1_VBLANK_INTERRUPT)
1667 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
1668 if (*disp_int & LB_D1_VLINE_INTERRUPT)
1669 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
1670
1671 if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
1672 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
1673 if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
1674 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
1675
1676 if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
1677 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
1678 if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
1679 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
1680
1681 if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
1682 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
1683 if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
1684 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
1685
1686 if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
1687 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
1688 if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
1689 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
1690
1691 if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
1692 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
1693 if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
1694 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
1695
1696 if (*disp_int & DC_HPD1_INTERRUPT) {
1697 tmp = RREG32(DC_HPD1_INT_CONTROL);
1698 tmp |= DC_HPDx_INT_ACK;
1699 WREG32(DC_HPD1_INT_CONTROL, tmp);
1700 }
1701 if (*disp_int_cont & DC_HPD2_INTERRUPT) {
1702 tmp = RREG32(DC_HPD2_INT_CONTROL);
1703 tmp |= DC_HPDx_INT_ACK;
1704 WREG32(DC_HPD2_INT_CONTROL, tmp);
1705 }
1706 if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
1707 tmp = RREG32(DC_HPD3_INT_CONTROL);
1708 tmp |= DC_HPDx_INT_ACK;
1709 WREG32(DC_HPD3_INT_CONTROL, tmp);
1710 }
1711 if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
1712 tmp = RREG32(DC_HPD4_INT_CONTROL);
1713 tmp |= DC_HPDx_INT_ACK;
1714 WREG32(DC_HPD4_INT_CONTROL, tmp);
1715 }
1716 if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
1717 tmp = RREG32(DC_HPD5_INT_CONTROL);
1718 tmp |= DC_HPDx_INT_ACK;
1719 WREG32(DC_HPD5_INT_CONTROL, tmp);
1720 }
1721 if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
1722 tmp = RREG32(DC_HPD5_INT_CONTROL);
1723 tmp |= DC_HPDx_INT_ACK;
1724 WREG32(DC_HPD6_INT_CONTROL, tmp);
1725 }
1726 }
1727
1728 void evergreen_irq_disable(struct radeon_device *rdev)
1729 {
1730 u32 disp_int, disp_int_cont, disp_int_cont2;
1731 u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1732
1733 r600_disable_interrupts(rdev);
1734 /* Wait and acknowledge irq */
1735 mdelay(1);
1736 evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1737 &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1738 evergreen_disable_interrupt_state(rdev);
1739 }
1740
1741 static void evergreen_irq_suspend(struct radeon_device *rdev)
1742 {
1743 evergreen_irq_disable(rdev);
1744 r600_rlc_stop(rdev);
1745 }
1746
1747 static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
1748 {
1749 u32 wptr, tmp;
1750
1751 /* XXX use writeback */
1752 wptr = RREG32(IH_RB_WPTR);
1753
1754 if (wptr & RB_OVERFLOW) {
1755 /* When a ring buffer overflow happen start parsing interrupt
1756 * from the last not overwritten vector (wptr + 16). Hopefully
1757 * this should allow us to catchup.
1758 */
1759 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
1760 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
1761 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
1762 tmp = RREG32(IH_RB_CNTL);
1763 tmp |= IH_WPTR_OVERFLOW_CLEAR;
1764 WREG32(IH_RB_CNTL, tmp);
1765 }
1766 return (wptr & rdev->ih.ptr_mask);
1767 }
1768
1769 int evergreen_irq_process(struct radeon_device *rdev)
1770 {
1771 u32 wptr = evergreen_get_ih_wptr(rdev);
1772 u32 rptr = rdev->ih.rptr;
1773 u32 src_id, src_data;
1774 u32 ring_index;
1775 u32 disp_int, disp_int_cont, disp_int_cont2;
1776 u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1777 unsigned long flags;
1778 bool queue_hotplug = false;
1779
1780 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
1781 if (!rdev->ih.enabled)
1782 return IRQ_NONE;
1783
1784 spin_lock_irqsave(&rdev->ih.lock, flags);
1785
1786 if (rptr == wptr) {
1787 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1788 return IRQ_NONE;
1789 }
1790 if (rdev->shutdown) {
1791 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1792 return IRQ_NONE;
1793 }
1794
1795 restart_ih:
1796 /* display interrupts */
1797 evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1798 &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1799
1800 rdev->ih.wptr = wptr;
1801 while (rptr != wptr) {
1802 /* wptr/rptr are in bytes! */
1803 ring_index = rptr / 4;
1804 src_id = rdev->ih.ring[ring_index] & 0xff;
1805 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
1806
1807 switch (src_id) {
1808 case 1: /* D1 vblank/vline */
1809 switch (src_data) {
1810 case 0: /* D1 vblank */
1811 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
1812 drm_handle_vblank(rdev->ddev, 0);
1813 wake_up(&rdev->irq.vblank_queue);
1814 disp_int &= ~LB_D1_VBLANK_INTERRUPT;
1815 DRM_DEBUG("IH: D1 vblank\n");
1816 }
1817 break;
1818 case 1: /* D1 vline */
1819 if (disp_int & LB_D1_VLINE_INTERRUPT) {
1820 disp_int &= ~LB_D1_VLINE_INTERRUPT;
1821 DRM_DEBUG("IH: D1 vline\n");
1822 }
1823 break;
1824 default:
1825 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1826 break;
1827 }
1828 break;
1829 case 2: /* D2 vblank/vline */
1830 switch (src_data) {
1831 case 0: /* D2 vblank */
1832 if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
1833 drm_handle_vblank(rdev->ddev, 1);
1834 wake_up(&rdev->irq.vblank_queue);
1835 disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
1836 DRM_DEBUG("IH: D2 vblank\n");
1837 }
1838 break;
1839 case 1: /* D2 vline */
1840 if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
1841 disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
1842 DRM_DEBUG("IH: D2 vline\n");
1843 }
1844 break;
1845 default:
1846 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1847 break;
1848 }
1849 break;
1850 case 3: /* D3 vblank/vline */
1851 switch (src_data) {
1852 case 0: /* D3 vblank */
1853 if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
1854 drm_handle_vblank(rdev->ddev, 2);
1855 wake_up(&rdev->irq.vblank_queue);
1856 disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
1857 DRM_DEBUG("IH: D3 vblank\n");
1858 }
1859 break;
1860 case 1: /* D3 vline */
1861 if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
1862 disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
1863 DRM_DEBUG("IH: D3 vline\n");
1864 }
1865 break;
1866 default:
1867 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1868 break;
1869 }
1870 break;
1871 case 4: /* D4 vblank/vline */
1872 switch (src_data) {
1873 case 0: /* D4 vblank */
1874 if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
1875 drm_handle_vblank(rdev->ddev, 3);
1876 wake_up(&rdev->irq.vblank_queue);
1877 disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
1878 DRM_DEBUG("IH: D4 vblank\n");
1879 }
1880 break;
1881 case 1: /* D4 vline */
1882 if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
1883 disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
1884 DRM_DEBUG("IH: D4 vline\n");
1885 }
1886 break;
1887 default:
1888 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1889 break;
1890 }
1891 break;
1892 case 5: /* D5 vblank/vline */
1893 switch (src_data) {
1894 case 0: /* D5 vblank */
1895 if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
1896 drm_handle_vblank(rdev->ddev, 4);
1897 wake_up(&rdev->irq.vblank_queue);
1898 disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
1899 DRM_DEBUG("IH: D5 vblank\n");
1900 }
1901 break;
1902 case 1: /* D5 vline */
1903 if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
1904 disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
1905 DRM_DEBUG("IH: D5 vline\n");
1906 }
1907 break;
1908 default:
1909 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1910 break;
1911 }
1912 break;
1913 case 6: /* D6 vblank/vline */
1914 switch (src_data) {
1915 case 0: /* D6 vblank */
1916 if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
1917 drm_handle_vblank(rdev->ddev, 5);
1918 wake_up(&rdev->irq.vblank_queue);
1919 disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
1920 DRM_DEBUG("IH: D6 vblank\n");
1921 }
1922 break;
1923 case 1: /* D6 vline */
1924 if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
1925 disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
1926 DRM_DEBUG("IH: D6 vline\n");
1927 }
1928 break;
1929 default:
1930 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1931 break;
1932 }
1933 break;
1934 case 42: /* HPD hotplug */
1935 switch (src_data) {
1936 case 0:
1937 if (disp_int & DC_HPD1_INTERRUPT) {
1938 disp_int &= ~DC_HPD1_INTERRUPT;
1939 queue_hotplug = true;
1940 DRM_DEBUG("IH: HPD1\n");
1941 }
1942 break;
1943 case 1:
1944 if (disp_int_cont & DC_HPD2_INTERRUPT) {
1945 disp_int_cont &= ~DC_HPD2_INTERRUPT;
1946 queue_hotplug = true;
1947 DRM_DEBUG("IH: HPD2\n");
1948 }
1949 break;
1950 case 2:
1951 if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
1952 disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
1953 queue_hotplug = true;
1954 DRM_DEBUG("IH: HPD3\n");
1955 }
1956 break;
1957 case 3:
1958 if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
1959 disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
1960 queue_hotplug = true;
1961 DRM_DEBUG("IH: HPD4\n");
1962 }
1963 break;
1964 case 4:
1965 if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
1966 disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
1967 queue_hotplug = true;
1968 DRM_DEBUG("IH: HPD5\n");
1969 }
1970 break;
1971 case 5:
1972 if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
1973 disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
1974 queue_hotplug = true;
1975 DRM_DEBUG("IH: HPD6\n");
1976 }
1977 break;
1978 default:
1979 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1980 break;
1981 }
1982 break;
1983 case 176: /* CP_INT in ring buffer */
1984 case 177: /* CP_INT in IB1 */
1985 case 178: /* CP_INT in IB2 */
1986 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
1987 radeon_fence_process(rdev);
1988 break;
1989 case 181: /* CP EOP event */
1990 DRM_DEBUG("IH: CP EOP\n");
1991 break;
1992 case 233: /* GUI IDLE */
1993 DRM_DEBUG("IH: CP EOP\n");
1994 rdev->pm.gui_idle = true;
1995 wake_up(&rdev->irq.idle_queue);
1996 break;
1997 default:
1998 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1999 break;
2000 }
2001
2002 /* wptr/rptr are in bytes! */
2003 rptr += 16;
2004 rptr &= rdev->ih.ptr_mask;
2005 }
2006 /* make sure wptr hasn't changed while processing */
2007 wptr = evergreen_get_ih_wptr(rdev);
2008 if (wptr != rdev->ih.wptr)
2009 goto restart_ih;
2010 if (queue_hotplug)
2011 queue_work(rdev->wq, &rdev->hotplug_work);
2012 rdev->ih.rptr = rptr;
2013 WREG32(IH_RB_RPTR, rdev->ih.rptr);
2014 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2015 return IRQ_HANDLED;
2016 }
2017
2018 static int evergreen_startup(struct radeon_device *rdev)
2019 {
2020 int r;
2021
2022 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2023 r = r600_init_microcode(rdev);
2024 if (r) {
2025 DRM_ERROR("Failed to load firmware!\n");
2026 return r;
2027 }
2028 }
2029
2030 evergreen_mc_program(rdev);
2031 if (rdev->flags & RADEON_IS_AGP) {
2032 evergreen_agp_enable(rdev);
2033 } else {
2034 r = evergreen_pcie_gart_enable(rdev);
2035 if (r)
2036 return r;
2037 }
2038 evergreen_gpu_init(rdev);
2039 #if 0
2040 if (!rdev->r600_blit.shader_obj) {
2041 r = r600_blit_init(rdev);
2042 if (r) {
2043 DRM_ERROR("radeon: failed blitter (%d).\n", r);
2044 return r;
2045 }
2046 }
2047
2048 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2049 if (unlikely(r != 0))
2050 return r;
2051 r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
2052 &rdev->r600_blit.shader_gpu_addr);
2053 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2054 if (r) {
2055 DRM_ERROR("failed to pin blit object %d\n", r);
2056 return r;
2057 }
2058 #endif
2059
2060 /* Enable IRQ */
2061 r = r600_irq_init(rdev);
2062 if (r) {
2063 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2064 radeon_irq_kms_fini(rdev);
2065 return r;
2066 }
2067 evergreen_irq_set(rdev);
2068
2069 r = radeon_ring_init(rdev, rdev->cp.ring_size);
2070 if (r)
2071 return r;
2072 r = evergreen_cp_load_microcode(rdev);
2073 if (r)
2074 return r;
2075 r = evergreen_cp_resume(rdev);
2076 if (r)
2077 return r;
2078 /* write back buffer are not vital so don't worry about failure */
2079 r600_wb_enable(rdev);
2080
2081 return 0;
2082 }
2083
2084 int evergreen_resume(struct radeon_device *rdev)
2085 {
2086 int r;
2087
2088 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2089 * posting will perform necessary task to bring back GPU into good
2090 * shape.
2091 */
2092 /* post card */
2093 atom_asic_init(rdev->mode_info.atom_context);
2094
2095 r = evergreen_startup(rdev);
2096 if (r) {
2097 DRM_ERROR("r600 startup failed on resume\n");
2098 return r;
2099 }
2100
2101 r = r600_ib_test(rdev);
2102 if (r) {
2103 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2104 return r;
2105 }
2106
2107 return r;
2108
2109 }
2110
2111 int evergreen_suspend(struct radeon_device *rdev)
2112 {
2113 #if 0
2114 int r;
2115 #endif
2116 /* FIXME: we should wait for ring to be empty */
2117 r700_cp_stop(rdev);
2118 rdev->cp.ready = false;
2119 evergreen_irq_suspend(rdev);
2120 r600_wb_disable(rdev);
2121 evergreen_pcie_gart_disable(rdev);
2122 #if 0
2123 /* unpin shaders bo */
2124 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2125 if (likely(r == 0)) {
2126 radeon_bo_unpin(rdev->r600_blit.shader_obj);
2127 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2128 }
2129 #endif
2130 return 0;
2131 }
2132
2133 static bool evergreen_card_posted(struct radeon_device *rdev)
2134 {
2135 u32 reg;
2136
2137 /* first check CRTCs */
2138 reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
2139 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
2140 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
2141 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
2142 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
2143 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2144 if (reg & EVERGREEN_CRTC_MASTER_EN)
2145 return true;
2146
2147 /* then check MEM_SIZE, in case the crtcs are off */
2148 if (RREG32(CONFIG_MEMSIZE))
2149 return true;
2150
2151 return false;
2152 }
2153
2154 /* Plan is to move initialization in that function and use
2155 * helper function so that radeon_device_init pretty much
2156 * do nothing more than calling asic specific function. This
2157 * should also allow to remove a bunch of callback function
2158 * like vram_info.
2159 */
2160 int evergreen_init(struct radeon_device *rdev)
2161 {
2162 int r;
2163
2164 r = radeon_dummy_page_init(rdev);
2165 if (r)
2166 return r;
2167 /* This don't do much */
2168 r = radeon_gem_init(rdev);
2169 if (r)
2170 return r;
2171 /* Read BIOS */
2172 if (!radeon_get_bios(rdev)) {
2173 if (ASIC_IS_AVIVO(rdev))
2174 return -EINVAL;
2175 }
2176 /* Must be an ATOMBIOS */
2177 if (!rdev->is_atom_bios) {
2178 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2179 return -EINVAL;
2180 }
2181 r = radeon_atombios_init(rdev);
2182 if (r)
2183 return r;
2184 /* Post card if necessary */
2185 if (!evergreen_card_posted(rdev)) {
2186 if (!rdev->bios) {
2187 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2188 return -EINVAL;
2189 }
2190 DRM_INFO("GPU not posted. posting now...\n");
2191 atom_asic_init(rdev->mode_info.atom_context);
2192 }
2193 /* Initialize scratch registers */
2194 r600_scratch_init(rdev);
2195 /* Initialize surface registers */
2196 radeon_surface_init(rdev);
2197 /* Initialize clocks */
2198 radeon_get_clock_info(rdev->ddev);
2199 /* Fence driver */
2200 r = radeon_fence_driver_init(rdev);
2201 if (r)
2202 return r;
2203 /* initialize AGP */
2204 if (rdev->flags & RADEON_IS_AGP) {
2205 r = radeon_agp_init(rdev);
2206 if (r)
2207 radeon_agp_disable(rdev);
2208 }
2209 /* initialize memory controller */
2210 r = evergreen_mc_init(rdev);
2211 if (r)
2212 return r;
2213 /* Memory manager */
2214 r = radeon_bo_init(rdev);
2215 if (r)
2216 return r;
2217
2218 r = radeon_irq_kms_init(rdev);
2219 if (r)
2220 return r;
2221
2222 rdev->cp.ring_obj = NULL;
2223 r600_ring_init(rdev, 1024 * 1024);
2224
2225 rdev->ih.ring_obj = NULL;
2226 r600_ih_ring_init(rdev, 64 * 1024);
2227
2228 r = r600_pcie_gart_init(rdev);
2229 if (r)
2230 return r;
2231
2232 rdev->accel_working = true;
2233 r = evergreen_startup(rdev);
2234 if (r) {
2235 dev_err(rdev->dev, "disabling GPU acceleration\n");
2236 r700_cp_fini(rdev);
2237 r600_wb_fini(rdev);
2238 r600_irq_fini(rdev);
2239 radeon_irq_kms_fini(rdev);
2240 evergreen_pcie_gart_fini(rdev);
2241 rdev->accel_working = false;
2242 }
2243 if (rdev->accel_working) {
2244 r = radeon_ib_pool_init(rdev);
2245 if (r) {
2246 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
2247 rdev->accel_working = false;
2248 }
2249 r = r600_ib_test(rdev);
2250 if (r) {
2251 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2252 rdev->accel_working = false;
2253 }
2254 }
2255 return 0;
2256 }
2257
2258 void evergreen_fini(struct radeon_device *rdev)
2259 {
2260 /*r600_blit_fini(rdev);*/
2261 r700_cp_fini(rdev);
2262 r600_wb_fini(rdev);
2263 r600_irq_fini(rdev);
2264 radeon_irq_kms_fini(rdev);
2265 evergreen_pcie_gart_fini(rdev);
2266 radeon_gem_fini(rdev);
2267 radeon_fence_driver_fini(rdev);
2268 radeon_agp_fini(rdev);
2269 radeon_bo_fini(rdev);
2270 radeon_atombios_fini(rdev);
2271 kfree(rdev->bios);
2272 rdev->bios = NULL;
2273 radeon_dummy_page_fini(rdev);
2274 }
Linux kernel - Deliverables
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