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[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / radeon / rv770.c
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/firmware.h>
29 #include <linux/platform_device.h>
30 #include <linux/slab.h>
31 #include "drmP.h"
32 #include "radeon.h"
33 #include "radeon_asic.h"
34 #include "radeon_drm.h"
35 #include "rv770d.h"
36 #include "atom.h"
37 #include "avivod.h"
38
39 #define R700_PFP_UCODE_SIZE 848
40 #define R700_PM4_UCODE_SIZE 1360
41
42 static void rv770_gpu_init(struct radeon_device *rdev);
43 void rv770_fini(struct radeon_device *rdev);
44 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
45
46 u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
47 {
48 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
49 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
50 int i;
51
52 /* Lock the graphics update lock */
53 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
54 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
55
56 /* update the scanout addresses */
57 if (radeon_crtc->crtc_id) {
58 WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
59 WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
60 } else {
61 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
62 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
63 }
64 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
65 (u32)crtc_base);
66 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
67 (u32)crtc_base);
68
69 /* Wait for update_pending to go high. */
70 for (i = 0; i < rdev->usec_timeout; i++) {
71 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
72 break;
73 udelay(1);
74 }
75 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
76
77 /* Unlock the lock, so double-buffering can take place inside vblank */
78 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
79 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
80
81 /* Return current update_pending status: */
82 return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
83 }
84
85 /* get temperature in millidegrees */
86 int rv770_get_temp(struct radeon_device *rdev)
87 {
88 u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
89 ASIC_T_SHIFT;
90 int actual_temp;
91
92 if (temp & 0x400)
93 actual_temp = -256;
94 else if (temp & 0x200)
95 actual_temp = 255;
96 else if (temp & 0x100) {
97 actual_temp = temp & 0x1ff;
98 actual_temp |= ~0x1ff;
99 } else
100 actual_temp = temp & 0xff;
101
102 return (actual_temp * 1000) / 2;
103 }
104
105 void rv770_pm_misc(struct radeon_device *rdev)
106 {
107 int req_ps_idx = rdev->pm.requested_power_state_index;
108 int req_cm_idx = rdev->pm.requested_clock_mode_index;
109 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
110 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
111
112 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
113 /* 0xff01 is a flag rather then an actual voltage */
114 if (voltage->voltage == 0xff01)
115 return;
116 if (voltage->voltage != rdev->pm.current_vddc) {
117 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
118 rdev->pm.current_vddc = voltage->voltage;
119 DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
120 }
121 }
122 }
123
124 /*
125 * GART
126 */
127 int rv770_pcie_gart_enable(struct radeon_device *rdev)
128 {
129 u32 tmp;
130 int r, i;
131
132 if (rdev->gart.robj == NULL) {
133 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
134 return -EINVAL;
135 }
136 r = radeon_gart_table_vram_pin(rdev);
137 if (r)
138 return r;
139 radeon_gart_restore(rdev);
140 /* Setup L2 cache */
141 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
142 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
143 EFFECTIVE_L2_QUEUE_SIZE(7));
144 WREG32(VM_L2_CNTL2, 0);
145 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
146 /* Setup TLB control */
147 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
148 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
149 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
150 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
151 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
152 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
153 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
154 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
155 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
156 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
157 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
158 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
159 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
160 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
161 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
162 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
163 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
164 (u32)(rdev->dummy_page.addr >> 12));
165 for (i = 1; i < 7; i++)
166 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
167
168 r600_pcie_gart_tlb_flush(rdev);
169 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
170 (unsigned)(rdev->mc.gtt_size >> 20),
171 (unsigned long long)rdev->gart.table_addr);
172 rdev->gart.ready = true;
173 return 0;
174 }
175
176 void rv770_pcie_gart_disable(struct radeon_device *rdev)
177 {
178 u32 tmp;
179 int i;
180
181 /* Disable all tables */
182 for (i = 0; i < 7; i++)
183 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
184
185 /* Setup L2 cache */
186 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
187 EFFECTIVE_L2_QUEUE_SIZE(7));
188 WREG32(VM_L2_CNTL2, 0);
189 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
190 /* Setup TLB control */
191 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
192 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
193 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
194 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
195 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
196 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
197 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
198 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
199 radeon_gart_table_vram_unpin(rdev);
200 }
201
202 void rv770_pcie_gart_fini(struct radeon_device *rdev)
203 {
204 radeon_gart_fini(rdev);
205 rv770_pcie_gart_disable(rdev);
206 radeon_gart_table_vram_free(rdev);
207 }
208
209
210 void rv770_agp_enable(struct radeon_device *rdev)
211 {
212 u32 tmp;
213 int i;
214
215 /* Setup L2 cache */
216 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
217 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
218 EFFECTIVE_L2_QUEUE_SIZE(7));
219 WREG32(VM_L2_CNTL2, 0);
220 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
221 /* Setup TLB control */
222 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
223 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
224 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
225 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
226 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
227 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
228 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
229 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
230 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
231 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
232 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
233 for (i = 0; i < 7; i++)
234 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
235 }
236
237 static void rv770_mc_program(struct radeon_device *rdev)
238 {
239 struct rv515_mc_save save;
240 u32 tmp;
241 int i, j;
242
243 /* Initialize HDP */
244 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
245 WREG32((0x2c14 + j), 0x00000000);
246 WREG32((0x2c18 + j), 0x00000000);
247 WREG32((0x2c1c + j), 0x00000000);
248 WREG32((0x2c20 + j), 0x00000000);
249 WREG32((0x2c24 + j), 0x00000000);
250 }
251 /* r7xx hw bug. Read from HDP_DEBUG1 rather
252 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
253 */
254 tmp = RREG32(HDP_DEBUG1);
255
256 rv515_mc_stop(rdev, &save);
257 if (r600_mc_wait_for_idle(rdev)) {
258 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
259 }
260 /* Lockout access through VGA aperture*/
261 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
262 /* Update configuration */
263 if (rdev->flags & RADEON_IS_AGP) {
264 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
265 /* VRAM before AGP */
266 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
267 rdev->mc.vram_start >> 12);
268 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
269 rdev->mc.gtt_end >> 12);
270 } else {
271 /* VRAM after AGP */
272 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
273 rdev->mc.gtt_start >> 12);
274 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
275 rdev->mc.vram_end >> 12);
276 }
277 } else {
278 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
279 rdev->mc.vram_start >> 12);
280 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
281 rdev->mc.vram_end >> 12);
282 }
283 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
284 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
285 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
286 WREG32(MC_VM_FB_LOCATION, tmp);
287 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
288 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
289 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
290 if (rdev->flags & RADEON_IS_AGP) {
291 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
292 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
293 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
294 } else {
295 WREG32(MC_VM_AGP_BASE, 0);
296 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
297 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
298 }
299 if (r600_mc_wait_for_idle(rdev)) {
300 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
301 }
302 rv515_mc_resume(rdev, &save);
303 /* we need to own VRAM, so turn off the VGA renderer here
304 * to stop it overwriting our objects */
305 rv515_vga_render_disable(rdev);
306 }
307
308
309 /*
310 * CP.
311 */
312 void r700_cp_stop(struct radeon_device *rdev)
313 {
314 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
315 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
316 WREG32(SCRATCH_UMSK, 0);
317 }
318
319 static int rv770_cp_load_microcode(struct radeon_device *rdev)
320 {
321 const __be32 *fw_data;
322 int i;
323
324 if (!rdev->me_fw || !rdev->pfp_fw)
325 return -EINVAL;
326
327 r700_cp_stop(rdev);
328 WREG32(CP_RB_CNTL,
329 #ifdef __BIG_ENDIAN
330 BUF_SWAP_32BIT |
331 #endif
332 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
333
334 /* Reset cp */
335 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
336 RREG32(GRBM_SOFT_RESET);
337 mdelay(15);
338 WREG32(GRBM_SOFT_RESET, 0);
339
340 fw_data = (const __be32 *)rdev->pfp_fw->data;
341 WREG32(CP_PFP_UCODE_ADDR, 0);
342 for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
343 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
344 WREG32(CP_PFP_UCODE_ADDR, 0);
345
346 fw_data = (const __be32 *)rdev->me_fw->data;
347 WREG32(CP_ME_RAM_WADDR, 0);
348 for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
349 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
350
351 WREG32(CP_PFP_UCODE_ADDR, 0);
352 WREG32(CP_ME_RAM_WADDR, 0);
353 WREG32(CP_ME_RAM_RADDR, 0);
354 return 0;
355 }
356
357 void r700_cp_fini(struct radeon_device *rdev)
358 {
359 r700_cp_stop(rdev);
360 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
361 }
362
363 /*
364 * Core functions
365 */
366 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
367 u32 num_tile_pipes,
368 u32 num_backends,
369 u32 backend_disable_mask)
370 {
371 u32 backend_map = 0;
372 u32 enabled_backends_mask;
373 u32 enabled_backends_count;
374 u32 cur_pipe;
375 u32 swizzle_pipe[R7XX_MAX_PIPES];
376 u32 cur_backend;
377 u32 i;
378 bool force_no_swizzle;
379
380 if (num_tile_pipes > R7XX_MAX_PIPES)
381 num_tile_pipes = R7XX_MAX_PIPES;
382 if (num_tile_pipes < 1)
383 num_tile_pipes = 1;
384 if (num_backends > R7XX_MAX_BACKENDS)
385 num_backends = R7XX_MAX_BACKENDS;
386 if (num_backends < 1)
387 num_backends = 1;
388
389 enabled_backends_mask = 0;
390 enabled_backends_count = 0;
391 for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
392 if (((backend_disable_mask >> i) & 1) == 0) {
393 enabled_backends_mask |= (1 << i);
394 ++enabled_backends_count;
395 }
396 if (enabled_backends_count == num_backends)
397 break;
398 }
399
400 if (enabled_backends_count == 0) {
401 enabled_backends_mask = 1;
402 enabled_backends_count = 1;
403 }
404
405 if (enabled_backends_count != num_backends)
406 num_backends = enabled_backends_count;
407
408 switch (rdev->family) {
409 case CHIP_RV770:
410 case CHIP_RV730:
411 force_no_swizzle = false;
412 break;
413 case CHIP_RV710:
414 case CHIP_RV740:
415 default:
416 force_no_swizzle = true;
417 break;
418 }
419
420 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
421 switch (num_tile_pipes) {
422 case 1:
423 swizzle_pipe[0] = 0;
424 break;
425 case 2:
426 swizzle_pipe[0] = 0;
427 swizzle_pipe[1] = 1;
428 break;
429 case 3:
430 if (force_no_swizzle) {
431 swizzle_pipe[0] = 0;
432 swizzle_pipe[1] = 1;
433 swizzle_pipe[2] = 2;
434 } else {
435 swizzle_pipe[0] = 0;
436 swizzle_pipe[1] = 2;
437 swizzle_pipe[2] = 1;
438 }
439 break;
440 case 4:
441 if (force_no_swizzle) {
442 swizzle_pipe[0] = 0;
443 swizzle_pipe[1] = 1;
444 swizzle_pipe[2] = 2;
445 swizzle_pipe[3] = 3;
446 } else {
447 swizzle_pipe[0] = 0;
448 swizzle_pipe[1] = 2;
449 swizzle_pipe[2] = 3;
450 swizzle_pipe[3] = 1;
451 }
452 break;
453 case 5:
454 if (force_no_swizzle) {
455 swizzle_pipe[0] = 0;
456 swizzle_pipe[1] = 1;
457 swizzle_pipe[2] = 2;
458 swizzle_pipe[3] = 3;
459 swizzle_pipe[4] = 4;
460 } else {
461 swizzle_pipe[0] = 0;
462 swizzle_pipe[1] = 2;
463 swizzle_pipe[2] = 4;
464 swizzle_pipe[3] = 1;
465 swizzle_pipe[4] = 3;
466 }
467 break;
468 case 6:
469 if (force_no_swizzle) {
470 swizzle_pipe[0] = 0;
471 swizzle_pipe[1] = 1;
472 swizzle_pipe[2] = 2;
473 swizzle_pipe[3] = 3;
474 swizzle_pipe[4] = 4;
475 swizzle_pipe[5] = 5;
476 } else {
477 swizzle_pipe[0] = 0;
478 swizzle_pipe[1] = 2;
479 swizzle_pipe[2] = 4;
480 swizzle_pipe[3] = 5;
481 swizzle_pipe[4] = 3;
482 swizzle_pipe[5] = 1;
483 }
484 break;
485 case 7:
486 if (force_no_swizzle) {
487 swizzle_pipe[0] = 0;
488 swizzle_pipe[1] = 1;
489 swizzle_pipe[2] = 2;
490 swizzle_pipe[3] = 3;
491 swizzle_pipe[4] = 4;
492 swizzle_pipe[5] = 5;
493 swizzle_pipe[6] = 6;
494 } else {
495 swizzle_pipe[0] = 0;
496 swizzle_pipe[1] = 2;
497 swizzle_pipe[2] = 4;
498 swizzle_pipe[3] = 6;
499 swizzle_pipe[4] = 3;
500 swizzle_pipe[5] = 1;
501 swizzle_pipe[6] = 5;
502 }
503 break;
504 case 8:
505 if (force_no_swizzle) {
506 swizzle_pipe[0] = 0;
507 swizzle_pipe[1] = 1;
508 swizzle_pipe[2] = 2;
509 swizzle_pipe[3] = 3;
510 swizzle_pipe[4] = 4;
511 swizzle_pipe[5] = 5;
512 swizzle_pipe[6] = 6;
513 swizzle_pipe[7] = 7;
514 } else {
515 swizzle_pipe[0] = 0;
516 swizzle_pipe[1] = 2;
517 swizzle_pipe[2] = 4;
518 swizzle_pipe[3] = 6;
519 swizzle_pipe[4] = 3;
520 swizzle_pipe[5] = 1;
521 swizzle_pipe[6] = 7;
522 swizzle_pipe[7] = 5;
523 }
524 break;
525 }
526
527 cur_backend = 0;
528 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
529 while (((1 << cur_backend) & enabled_backends_mask) == 0)
530 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
531
532 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
533
534 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
535 }
536
537 return backend_map;
538 }
539
540 static void rv770_gpu_init(struct radeon_device *rdev)
541 {
542 int i, j, num_qd_pipes;
543 u32 ta_aux_cntl;
544 u32 sx_debug_1;
545 u32 smx_dc_ctl0;
546 u32 db_debug3;
547 u32 num_gs_verts_per_thread;
548 u32 vgt_gs_per_es;
549 u32 gs_prim_buffer_depth = 0;
550 u32 sq_ms_fifo_sizes;
551 u32 sq_config;
552 u32 sq_thread_resource_mgmt;
553 u32 hdp_host_path_cntl;
554 u32 sq_dyn_gpr_size_simd_ab_0;
555 u32 backend_map;
556 u32 gb_tiling_config = 0;
557 u32 cc_rb_backend_disable = 0;
558 u32 cc_gc_shader_pipe_config = 0;
559 u32 mc_arb_ramcfg;
560 u32 db_debug4;
561
562 /* setup chip specs */
563 switch (rdev->family) {
564 case CHIP_RV770:
565 rdev->config.rv770.max_pipes = 4;
566 rdev->config.rv770.max_tile_pipes = 8;
567 rdev->config.rv770.max_simds = 10;
568 rdev->config.rv770.max_backends = 4;
569 rdev->config.rv770.max_gprs = 256;
570 rdev->config.rv770.max_threads = 248;
571 rdev->config.rv770.max_stack_entries = 512;
572 rdev->config.rv770.max_hw_contexts = 8;
573 rdev->config.rv770.max_gs_threads = 16 * 2;
574 rdev->config.rv770.sx_max_export_size = 128;
575 rdev->config.rv770.sx_max_export_pos_size = 16;
576 rdev->config.rv770.sx_max_export_smx_size = 112;
577 rdev->config.rv770.sq_num_cf_insts = 2;
578
579 rdev->config.rv770.sx_num_of_sets = 7;
580 rdev->config.rv770.sc_prim_fifo_size = 0xF9;
581 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
582 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
583 break;
584 case CHIP_RV730:
585 rdev->config.rv770.max_pipes = 2;
586 rdev->config.rv770.max_tile_pipes = 4;
587 rdev->config.rv770.max_simds = 8;
588 rdev->config.rv770.max_backends = 2;
589 rdev->config.rv770.max_gprs = 128;
590 rdev->config.rv770.max_threads = 248;
591 rdev->config.rv770.max_stack_entries = 256;
592 rdev->config.rv770.max_hw_contexts = 8;
593 rdev->config.rv770.max_gs_threads = 16 * 2;
594 rdev->config.rv770.sx_max_export_size = 256;
595 rdev->config.rv770.sx_max_export_pos_size = 32;
596 rdev->config.rv770.sx_max_export_smx_size = 224;
597 rdev->config.rv770.sq_num_cf_insts = 2;
598
599 rdev->config.rv770.sx_num_of_sets = 7;
600 rdev->config.rv770.sc_prim_fifo_size = 0xf9;
601 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
602 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
603 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
604 rdev->config.rv770.sx_max_export_pos_size -= 16;
605 rdev->config.rv770.sx_max_export_smx_size += 16;
606 }
607 break;
608 case CHIP_RV710:
609 rdev->config.rv770.max_pipes = 2;
610 rdev->config.rv770.max_tile_pipes = 2;
611 rdev->config.rv770.max_simds = 2;
612 rdev->config.rv770.max_backends = 1;
613 rdev->config.rv770.max_gprs = 256;
614 rdev->config.rv770.max_threads = 192;
615 rdev->config.rv770.max_stack_entries = 256;
616 rdev->config.rv770.max_hw_contexts = 4;
617 rdev->config.rv770.max_gs_threads = 8 * 2;
618 rdev->config.rv770.sx_max_export_size = 128;
619 rdev->config.rv770.sx_max_export_pos_size = 16;
620 rdev->config.rv770.sx_max_export_smx_size = 112;
621 rdev->config.rv770.sq_num_cf_insts = 1;
622
623 rdev->config.rv770.sx_num_of_sets = 7;
624 rdev->config.rv770.sc_prim_fifo_size = 0x40;
625 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
626 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
627 break;
628 case CHIP_RV740:
629 rdev->config.rv770.max_pipes = 4;
630 rdev->config.rv770.max_tile_pipes = 4;
631 rdev->config.rv770.max_simds = 8;
632 rdev->config.rv770.max_backends = 4;
633 rdev->config.rv770.max_gprs = 256;
634 rdev->config.rv770.max_threads = 248;
635 rdev->config.rv770.max_stack_entries = 512;
636 rdev->config.rv770.max_hw_contexts = 8;
637 rdev->config.rv770.max_gs_threads = 16 * 2;
638 rdev->config.rv770.sx_max_export_size = 256;
639 rdev->config.rv770.sx_max_export_pos_size = 32;
640 rdev->config.rv770.sx_max_export_smx_size = 224;
641 rdev->config.rv770.sq_num_cf_insts = 2;
642
643 rdev->config.rv770.sx_num_of_sets = 7;
644 rdev->config.rv770.sc_prim_fifo_size = 0x100;
645 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
646 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
647
648 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
649 rdev->config.rv770.sx_max_export_pos_size -= 16;
650 rdev->config.rv770.sx_max_export_smx_size += 16;
651 }
652 break;
653 default:
654 break;
655 }
656
657 /* Initialize HDP */
658 j = 0;
659 for (i = 0; i < 32; i++) {
660 WREG32((0x2c14 + j), 0x00000000);
661 WREG32((0x2c18 + j), 0x00000000);
662 WREG32((0x2c1c + j), 0x00000000);
663 WREG32((0x2c20 + j), 0x00000000);
664 WREG32((0x2c24 + j), 0x00000000);
665 j += 0x18;
666 }
667
668 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
669
670 /* setup tiling, simd, pipe config */
671 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
672
673 switch (rdev->config.rv770.max_tile_pipes) {
674 case 1:
675 default:
676 gb_tiling_config |= PIPE_TILING(0);
677 break;
678 case 2:
679 gb_tiling_config |= PIPE_TILING(1);
680 break;
681 case 4:
682 gb_tiling_config |= PIPE_TILING(2);
683 break;
684 case 8:
685 gb_tiling_config |= PIPE_TILING(3);
686 break;
687 }
688 rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
689
690 if (rdev->family == CHIP_RV770)
691 gb_tiling_config |= BANK_TILING(1);
692 else
693 gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
694 rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
695 gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
696 if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
697 rdev->config.rv770.tiling_group_size = 512;
698 else
699 rdev->config.rv770.tiling_group_size = 256;
700 if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
701 gb_tiling_config |= ROW_TILING(3);
702 gb_tiling_config |= SAMPLE_SPLIT(3);
703 } else {
704 gb_tiling_config |=
705 ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
706 gb_tiling_config |=
707 SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
708 }
709
710 gb_tiling_config |= BANK_SWAPS(1);
711
712 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
713 cc_rb_backend_disable |=
714 BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
715
716 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
717 cc_gc_shader_pipe_config |=
718 INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
719 cc_gc_shader_pipe_config |=
720 INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
721
722 if (rdev->family == CHIP_RV740)
723 backend_map = 0x28;
724 else
725 backend_map = r700_get_tile_pipe_to_backend_map(rdev,
726 rdev->config.rv770.max_tile_pipes,
727 (R7XX_MAX_BACKENDS -
728 r600_count_pipe_bits((cc_rb_backend_disable &
729 R7XX_MAX_BACKENDS_MASK) >> 16)),
730 (cc_rb_backend_disable >> 16));
731
732 rdev->config.rv770.tile_config = gb_tiling_config;
733 rdev->config.rv770.backend_map = backend_map;
734 gb_tiling_config |= BACKEND_MAP(backend_map);
735
736 WREG32(GB_TILING_CONFIG, gb_tiling_config);
737 WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
738 WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
739
740 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
741 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
742 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
743 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
744
745 WREG32(CGTS_SYS_TCC_DISABLE, 0);
746 WREG32(CGTS_TCC_DISABLE, 0);
747 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
748 WREG32(CGTS_USER_TCC_DISABLE, 0);
749
750 num_qd_pipes =
751 R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
752 WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
753 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
754
755 /* set HW defaults for 3D engine */
756 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
757 ROQ_IB2_START(0x2b)));
758
759 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
760
761 ta_aux_cntl = RREG32(TA_CNTL_AUX);
762 WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
763
764 sx_debug_1 = RREG32(SX_DEBUG_1);
765 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
766 WREG32(SX_DEBUG_1, sx_debug_1);
767
768 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
769 smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
770 smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
771 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
772
773 if (rdev->family != CHIP_RV740)
774 WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
775 GS_FLUSH_CTL(4) |
776 ACK_FLUSH_CTL(3) |
777 SYNC_FLUSH_CTL));
778
779 db_debug3 = RREG32(DB_DEBUG3);
780 db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
781 switch (rdev->family) {
782 case CHIP_RV770:
783 case CHIP_RV740:
784 db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
785 break;
786 case CHIP_RV710:
787 case CHIP_RV730:
788 default:
789 db_debug3 |= DB_CLK_OFF_DELAY(2);
790 break;
791 }
792 WREG32(DB_DEBUG3, db_debug3);
793
794 if (rdev->family != CHIP_RV770) {
795 db_debug4 = RREG32(DB_DEBUG4);
796 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
797 WREG32(DB_DEBUG4, db_debug4);
798 }
799
800 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
801 POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
802 SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
803
804 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
805 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
806 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
807
808 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
809
810 WREG32(VGT_NUM_INSTANCES, 1);
811
812 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
813
814 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
815
816 WREG32(CP_PERFMON_CNTL, 0);
817
818 sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
819 DONE_FIFO_HIWATER(0xe0) |
820 ALU_UPDATE_FIFO_HIWATER(0x8));
821 switch (rdev->family) {
822 case CHIP_RV770:
823 case CHIP_RV730:
824 case CHIP_RV710:
825 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
826 break;
827 case CHIP_RV740:
828 default:
829 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
830 break;
831 }
832 WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
833
834 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
835 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
836 */
837 sq_config = RREG32(SQ_CONFIG);
838 sq_config &= ~(PS_PRIO(3) |
839 VS_PRIO(3) |
840 GS_PRIO(3) |
841 ES_PRIO(3));
842 sq_config |= (DX9_CONSTS |
843 VC_ENABLE |
844 EXPORT_SRC_C |
845 PS_PRIO(0) |
846 VS_PRIO(1) |
847 GS_PRIO(2) |
848 ES_PRIO(3));
849 if (rdev->family == CHIP_RV710)
850 /* no vertex cache */
851 sq_config &= ~VC_ENABLE;
852
853 WREG32(SQ_CONFIG, sq_config);
854
855 WREG32(SQ_GPR_RESOURCE_MGMT_1, (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
856 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
857 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
858
859 WREG32(SQ_GPR_RESOURCE_MGMT_2, (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
860 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
861
862 sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
863 NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
864 NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
865 if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
866 sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
867 else
868 sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
869 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
870
871 WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
872 NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
873
874 WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
875 NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
876
877 sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
878 SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
879 SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
880 SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
881
882 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
883 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
884 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
885 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
886 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
887 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
888 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
889 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
890
891 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
892 FORCE_EOV_MAX_REZ_CNT(255)));
893
894 if (rdev->family == CHIP_RV710)
895 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
896 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
897 else
898 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
899 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
900
901 switch (rdev->family) {
902 case CHIP_RV770:
903 case CHIP_RV730:
904 case CHIP_RV740:
905 gs_prim_buffer_depth = 384;
906 break;
907 case CHIP_RV710:
908 gs_prim_buffer_depth = 128;
909 break;
910 default:
911 break;
912 }
913
914 num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
915 vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
916 /* Max value for this is 256 */
917 if (vgt_gs_per_es > 256)
918 vgt_gs_per_es = 256;
919
920 WREG32(VGT_ES_PER_GS, 128);
921 WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
922 WREG32(VGT_GS_PER_VS, 2);
923
924 /* more default values. 2D/3D driver should adjust as needed */
925 WREG32(VGT_GS_VERTEX_REUSE, 16);
926 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
927 WREG32(VGT_STRMOUT_EN, 0);
928 WREG32(SX_MISC, 0);
929 WREG32(PA_SC_MODE_CNTL, 0);
930 WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
931 WREG32(PA_SC_AA_CONFIG, 0);
932 WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
933 WREG32(PA_SC_LINE_STIPPLE, 0);
934 WREG32(SPI_INPUT_Z, 0);
935 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
936 WREG32(CB_COLOR7_FRAG, 0);
937
938 /* clear render buffer base addresses */
939 WREG32(CB_COLOR0_BASE, 0);
940 WREG32(CB_COLOR1_BASE, 0);
941 WREG32(CB_COLOR2_BASE, 0);
942 WREG32(CB_COLOR3_BASE, 0);
943 WREG32(CB_COLOR4_BASE, 0);
944 WREG32(CB_COLOR5_BASE, 0);
945 WREG32(CB_COLOR6_BASE, 0);
946 WREG32(CB_COLOR7_BASE, 0);
947
948 WREG32(TCP_CNTL, 0);
949
950 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
951 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
952
953 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
954
955 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
956 NUM_CLIP_SEQ(3)));
957
958 }
959
960 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
961 {
962 u64 size_bf, size_af;
963
964 if (mc->mc_vram_size > 0xE0000000) {
965 /* leave room for at least 512M GTT */
966 dev_warn(rdev->dev, "limiting VRAM\n");
967 mc->real_vram_size = 0xE0000000;
968 mc->mc_vram_size = 0xE0000000;
969 }
970 if (rdev->flags & RADEON_IS_AGP) {
971 size_bf = mc->gtt_start;
972 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
973 if (size_bf > size_af) {
974 if (mc->mc_vram_size > size_bf) {
975 dev_warn(rdev->dev, "limiting VRAM\n");
976 mc->real_vram_size = size_bf;
977 mc->mc_vram_size = size_bf;
978 }
979 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
980 } else {
981 if (mc->mc_vram_size > size_af) {
982 dev_warn(rdev->dev, "limiting VRAM\n");
983 mc->real_vram_size = size_af;
984 mc->mc_vram_size = size_af;
985 }
986 mc->vram_start = mc->gtt_end;
987 }
988 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
989 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
990 mc->mc_vram_size >> 20, mc->vram_start,
991 mc->vram_end, mc->real_vram_size >> 20);
992 } else {
993 radeon_vram_location(rdev, &rdev->mc, 0);
994 rdev->mc.gtt_base_align = 0;
995 radeon_gtt_location(rdev, mc);
996 }
997 }
998
999 int rv770_mc_init(struct radeon_device *rdev)
1000 {
1001 u32 tmp;
1002 int chansize, numchan;
1003
1004 /* Get VRAM informations */
1005 rdev->mc.vram_is_ddr = true;
1006 tmp = RREG32(MC_ARB_RAMCFG);
1007 if (tmp & CHANSIZE_OVERRIDE) {
1008 chansize = 16;
1009 } else if (tmp & CHANSIZE_MASK) {
1010 chansize = 64;
1011 } else {
1012 chansize = 32;
1013 }
1014 tmp = RREG32(MC_SHARED_CHMAP);
1015 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1016 case 0:
1017 default:
1018 numchan = 1;
1019 break;
1020 case 1:
1021 numchan = 2;
1022 break;
1023 case 2:
1024 numchan = 4;
1025 break;
1026 case 3:
1027 numchan = 8;
1028 break;
1029 }
1030 rdev->mc.vram_width = numchan * chansize;
1031 /* Could aper size report 0 ? */
1032 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1033 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1034 /* Setup GPU memory space */
1035 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1036 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1037 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1038 r700_vram_gtt_location(rdev, &rdev->mc);
1039 radeon_update_bandwidth_info(rdev);
1040
1041 return 0;
1042 }
1043
1044 static int rv770_startup(struct radeon_device *rdev)
1045 {
1046 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1047 int r;
1048
1049 /* enable pcie gen2 link */
1050 rv770_pcie_gen2_enable(rdev);
1051
1052 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1053 r = r600_init_microcode(rdev);
1054 if (r) {
1055 DRM_ERROR("Failed to load firmware!\n");
1056 return r;
1057 }
1058 }
1059
1060 r = r600_vram_scratch_init(rdev);
1061 if (r)
1062 return r;
1063
1064 rv770_mc_program(rdev);
1065 if (rdev->flags & RADEON_IS_AGP) {
1066 rv770_agp_enable(rdev);
1067 } else {
1068 r = rv770_pcie_gart_enable(rdev);
1069 if (r)
1070 return r;
1071 }
1072
1073 rv770_gpu_init(rdev);
1074 r = r600_blit_init(rdev);
1075 if (r) {
1076 r600_blit_fini(rdev);
1077 rdev->asic->copy = NULL;
1078 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1079 }
1080
1081 /* allocate wb buffer */
1082 r = radeon_wb_init(rdev);
1083 if (r)
1084 return r;
1085
1086 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1087 if (r) {
1088 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1089 return r;
1090 }
1091
1092 /* Enable IRQ */
1093 r = r600_irq_init(rdev);
1094 if (r) {
1095 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1096 radeon_irq_kms_fini(rdev);
1097 return r;
1098 }
1099 r600_irq_set(rdev);
1100
1101 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1102 R600_CP_RB_RPTR, R600_CP_RB_WPTR,
1103 0, 0xfffff, RADEON_CP_PACKET2);
1104 if (r)
1105 return r;
1106 r = rv770_cp_load_microcode(rdev);
1107 if (r)
1108 return r;
1109 r = r600_cp_resume(rdev);
1110 if (r)
1111 return r;
1112
1113 r = radeon_ib_pool_start(rdev);
1114 if (r)
1115 return r;
1116
1117 r = r600_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX);
1118 if (r) {
1119 dev_err(rdev->dev, "IB test failed (%d).\n", r);
1120 rdev->accel_working = false;
1121 return r;
1122 }
1123
1124 return 0;
1125 }
1126
1127 int rv770_resume(struct radeon_device *rdev)
1128 {
1129 int r;
1130
1131 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1132 * posting will perform necessary task to bring back GPU into good
1133 * shape.
1134 */
1135 /* post card */
1136 atom_asic_init(rdev->mode_info.atom_context);
1137
1138 rdev->accel_working = true;
1139 r = rv770_startup(rdev);
1140 if (r) {
1141 DRM_ERROR("r600 startup failed on resume\n");
1142 rdev->accel_working = false;
1143 return r;
1144 }
1145
1146 r = r600_audio_init(rdev);
1147 if (r) {
1148 dev_err(rdev->dev, "radeon: audio init failed\n");
1149 return r;
1150 }
1151
1152 return r;
1153
1154 }
1155
1156 int rv770_suspend(struct radeon_device *rdev)
1157 {
1158 r600_audio_fini(rdev);
1159 radeon_ib_pool_suspend(rdev);
1160 r600_blit_suspend(rdev);
1161 /* FIXME: we should wait for ring to be empty */
1162 r700_cp_stop(rdev);
1163 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1164 r600_irq_suspend(rdev);
1165 radeon_wb_disable(rdev);
1166 rv770_pcie_gart_disable(rdev);
1167
1168 return 0;
1169 }
1170
1171 /* Plan is to move initialization in that function and use
1172 * helper function so that radeon_device_init pretty much
1173 * do nothing more than calling asic specific function. This
1174 * should also allow to remove a bunch of callback function
1175 * like vram_info.
1176 */
1177 int rv770_init(struct radeon_device *rdev)
1178 {
1179 int r;
1180
1181 /* This don't do much */
1182 r = radeon_gem_init(rdev);
1183 if (r)
1184 return r;
1185 /* Read BIOS */
1186 if (!radeon_get_bios(rdev)) {
1187 if (ASIC_IS_AVIVO(rdev))
1188 return -EINVAL;
1189 }
1190 /* Must be an ATOMBIOS */
1191 if (!rdev->is_atom_bios) {
1192 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1193 return -EINVAL;
1194 }
1195 r = radeon_atombios_init(rdev);
1196 if (r)
1197 return r;
1198 /* Post card if necessary */
1199 if (!radeon_card_posted(rdev)) {
1200 if (!rdev->bios) {
1201 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1202 return -EINVAL;
1203 }
1204 DRM_INFO("GPU not posted. posting now...\n");
1205 atom_asic_init(rdev->mode_info.atom_context);
1206 }
1207 /* Initialize scratch registers */
1208 r600_scratch_init(rdev);
1209 /* Initialize surface registers */
1210 radeon_surface_init(rdev);
1211 /* Initialize clocks */
1212 radeon_get_clock_info(rdev->ddev);
1213 /* Fence driver */
1214 r = radeon_fence_driver_init(rdev);
1215 if (r)
1216 return r;
1217 /* initialize AGP */
1218 if (rdev->flags & RADEON_IS_AGP) {
1219 r = radeon_agp_init(rdev);
1220 if (r)
1221 radeon_agp_disable(rdev);
1222 }
1223 r = rv770_mc_init(rdev);
1224 if (r)
1225 return r;
1226 /* Memory manager */
1227 r = radeon_bo_init(rdev);
1228 if (r)
1229 return r;
1230
1231 r = radeon_irq_kms_init(rdev);
1232 if (r)
1233 return r;
1234
1235 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1236 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1237
1238 rdev->ih.ring_obj = NULL;
1239 r600_ih_ring_init(rdev, 64 * 1024);
1240
1241 r = r600_pcie_gart_init(rdev);
1242 if (r)
1243 return r;
1244
1245 r = radeon_ib_pool_init(rdev);
1246 rdev->accel_working = true;
1247 if (r) {
1248 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1249 rdev->accel_working = false;
1250 }
1251
1252 r = rv770_startup(rdev);
1253 if (r) {
1254 dev_err(rdev->dev, "disabling GPU acceleration\n");
1255 r700_cp_fini(rdev);
1256 r600_irq_fini(rdev);
1257 radeon_wb_fini(rdev);
1258 r100_ib_fini(rdev);
1259 radeon_irq_kms_fini(rdev);
1260 rv770_pcie_gart_fini(rdev);
1261 rdev->accel_working = false;
1262 }
1263
1264 r = r600_audio_init(rdev);
1265 if (r) {
1266 dev_err(rdev->dev, "radeon: audio init failed\n");
1267 return r;
1268 }
1269
1270 return 0;
1271 }
1272
1273 void rv770_fini(struct radeon_device *rdev)
1274 {
1275 r600_blit_fini(rdev);
1276 r700_cp_fini(rdev);
1277 r600_irq_fini(rdev);
1278 radeon_wb_fini(rdev);
1279 r100_ib_fini(rdev);
1280 radeon_irq_kms_fini(rdev);
1281 rv770_pcie_gart_fini(rdev);
1282 r600_vram_scratch_fini(rdev);
1283 radeon_gem_fini(rdev);
1284 radeon_semaphore_driver_fini(rdev);
1285 radeon_fence_driver_fini(rdev);
1286 radeon_agp_fini(rdev);
1287 radeon_bo_fini(rdev);
1288 radeon_atombios_fini(rdev);
1289 kfree(rdev->bios);
1290 rdev->bios = NULL;
1291 }
1292
1293 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1294 {
1295 u32 link_width_cntl, lanes, speed_cntl, tmp;
1296 u16 link_cntl2;
1297
1298 if (radeon_pcie_gen2 == 0)
1299 return;
1300
1301 if (rdev->flags & RADEON_IS_IGP)
1302 return;
1303
1304 if (!(rdev->flags & RADEON_IS_PCIE))
1305 return;
1306
1307 /* x2 cards have a special sequence */
1308 if (ASIC_IS_X2(rdev))
1309 return;
1310
1311 /* advertise upconfig capability */
1312 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1313 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1314 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1315 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1316 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1317 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1318 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1319 LC_RECONFIG_ARC_MISSING_ESCAPE);
1320 link_width_cntl |= lanes | LC_RECONFIG_NOW |
1321 LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1322 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1323 } else {
1324 link_width_cntl |= LC_UPCONFIGURE_DIS;
1325 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1326 }
1327
1328 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1329 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1330 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1331
1332 tmp = RREG32(0x541c);
1333 WREG32(0x541c, tmp | 0x8);
1334 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1335 link_cntl2 = RREG16(0x4088);
1336 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1337 link_cntl2 |= 0x2;
1338 WREG16(0x4088, link_cntl2);
1339 WREG32(MM_CFGREGS_CNTL, 0);
1340
1341 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1342 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1343 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1344
1345 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1346 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1347 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1348
1349 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1350 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1351 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1352
1353 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1354 speed_cntl |= LC_GEN2_EN_STRAP;
1355 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1356
1357 } else {
1358 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1359 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1360 if (1)
1361 link_width_cntl |= LC_UPCONFIGURE_DIS;
1362 else
1363 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1364 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1365 }
1366 }
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