?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size check
[linux-2.6/linux-mips.git] / drivers / gpu / drm / radeon / rv770.c
blob87cc1feee3ac9e29d10a52cd33d4062342b5cc95
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
51 /* Lock the graphics update lock */
52 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
53 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
54
55 /* update the scanout addresses */
56 if (radeon_crtc->crtc_id) {
57 WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
58 WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
59 } else {
60 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
61 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
62 }
63 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
64 (u32)crtc_base);
65 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
66 (u32)crtc_base);
67
68 /* Wait for update_pending to go high. */
69 while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
70 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
71
72 /* Unlock the lock, so double-buffering can take place inside vblank */
73 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
74 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
75
76 /* Return current update_pending status: */
77 return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
78 }
79
80 /* get temperature in millidegrees */
81 int rv770_get_temp(struct radeon_device *rdev)
82 {
83 u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
84 ASIC_T_SHIFT;
85 int actual_temp;
86
87 if (temp & 0x400)
88 actual_temp = -256;
89 else if (temp & 0x200)
90 actual_temp = 255;
91 else if (temp & 0x100) {
92 actual_temp = temp & 0x1ff;
93 actual_temp |= ~0x1ff;
94 } else
95 actual_temp = temp & 0xff;
96
97 return (actual_temp * 1000) / 2;
98 }
99
100 void rv770_pm_misc(struct radeon_device *rdev)
101 {
102 int req_ps_idx = rdev->pm.requested_power_state_index;
103 int req_cm_idx = rdev->pm.requested_clock_mode_index;
104 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
105 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
106
107 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
108 /* 0xff01 is a flag rather then an actual voltage */
109 if (voltage->voltage == 0xff01)
110 return;
111 if (voltage->voltage != rdev->pm.current_vddc) {
112 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
113 rdev->pm.current_vddc = voltage->voltage;
114 DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
115 }
116 }
117 }
118
119 /*
120 * GART
121 */
122 int rv770_pcie_gart_enable(struct radeon_device *rdev)
123 {
124 u32 tmp;
125 int r, i;
126
127 if (rdev->gart.table.vram.robj == NULL) {
128 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
129 return -EINVAL;
130 }
131 r = radeon_gart_table_vram_pin(rdev);
132 if (r)
133 return r;
134 radeon_gart_restore(rdev);
135 /* Setup L2 cache */
136 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
137 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
138 EFFECTIVE_L2_QUEUE_SIZE(7));
139 WREG32(VM_L2_CNTL2, 0);
140 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
141 /* Setup TLB control */
142 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
143 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
144 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
145 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
146 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
147 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
148 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
149 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
150 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
151 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
152 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
153 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
154 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
155 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
156 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
157 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
158 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
159 (u32)(rdev->dummy_page.addr >> 12));
160 for (i = 1; i < 7; i++)
161 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
162
163 r600_pcie_gart_tlb_flush(rdev);
164 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
165 (unsigned)(rdev->mc.gtt_size >> 20),
166 (unsigned long long)rdev->gart.table_addr);
167 rdev->gart.ready = true;
168 return 0;
169 }
170
171 void rv770_pcie_gart_disable(struct radeon_device *rdev)
172 {
173 u32 tmp;
174 int i, r;
175
176 /* Disable all tables */
177 for (i = 0; i < 7; i++)
178 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
179
180 /* Setup L2 cache */
181 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
182 EFFECTIVE_L2_QUEUE_SIZE(7));
183 WREG32(VM_L2_CNTL2, 0);
184 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
185 /* Setup TLB control */
186 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
187 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
188 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
189 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
190 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
191 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
192 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
193 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
194 if (rdev->gart.table.vram.robj) {
195 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
196 if (likely(r == 0)) {
197 radeon_bo_kunmap(rdev->gart.table.vram.robj);
198 radeon_bo_unpin(rdev->gart.table.vram.robj);
199 radeon_bo_unreserve(rdev->gart.table.vram.robj);
200 }
201 }
202 }
203
204 void rv770_pcie_gart_fini(struct radeon_device *rdev)
205 {
206 radeon_gart_fini(rdev);
207 rv770_pcie_gart_disable(rdev);
208 radeon_gart_table_vram_free(rdev);
209 }
210
211
212 void rv770_agp_enable(struct radeon_device *rdev)
213 {
214 u32 tmp;
215 int i;
216
217 /* Setup L2 cache */
218 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
219 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
220 EFFECTIVE_L2_QUEUE_SIZE(7));
221 WREG32(VM_L2_CNTL2, 0);
222 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
223 /* Setup TLB control */
224 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
225 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
226 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
227 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
228 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
229 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
230 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
231 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
232 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
233 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
234 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
235 for (i = 0; i < 7; i++)
236 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
237 }
238
239 static void rv770_mc_program(struct radeon_device *rdev)
240 {
241 struct rv515_mc_save save;
242 u32 tmp;
243 int i, j;
244
245 /* Initialize HDP */
246 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
247 WREG32((0x2c14 + j), 0x00000000);
248 WREG32((0x2c18 + j), 0x00000000);
249 WREG32((0x2c1c + j), 0x00000000);
250 WREG32((0x2c20 + j), 0x00000000);
251 WREG32((0x2c24 + j), 0x00000000);
252 }
253 /* r7xx hw bug. Read from HDP_DEBUG1 rather
254 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
255 */
256 tmp = RREG32(HDP_DEBUG1);
257
258 rv515_mc_stop(rdev, &save);
259 if (r600_mc_wait_for_idle(rdev)) {
260 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
261 }
262 /* Lockout access through VGA aperture*/
263 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
264 /* Update configuration */
265 if (rdev->flags & RADEON_IS_AGP) {
266 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
267 /* VRAM before AGP */
268 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
269 rdev->mc.vram_start >> 12);
270 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
271 rdev->mc.gtt_end >> 12);
272 } else {
273 /* VRAM after AGP */
274 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
275 rdev->mc.gtt_start >> 12);
276 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
277 rdev->mc.vram_end >> 12);
278 }
279 } else {
280 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
281 rdev->mc.vram_start >> 12);
282 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
283 rdev->mc.vram_end >> 12);
284 }
285 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
286 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
287 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
288 WREG32(MC_VM_FB_LOCATION, tmp);
289 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
290 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
291 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
292 if (rdev->flags & RADEON_IS_AGP) {
293 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
294 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
295 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
296 } else {
297 WREG32(MC_VM_AGP_BASE, 0);
298 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
299 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
300 }
301 if (r600_mc_wait_for_idle(rdev)) {
302 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
303 }
304 rv515_mc_resume(rdev, &save);
305 /* we need to own VRAM, so turn off the VGA renderer here
306 * to stop it overwriting our objects */
307 rv515_vga_render_disable(rdev);
308 }
309
310
311 /*
312 * CP.
313 */
314 void r700_cp_stop(struct radeon_device *rdev)
315 {
316 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
317 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
318 WREG32(SCRATCH_UMSK, 0);
319 }
320
321 static int rv770_cp_load_microcode(struct radeon_device *rdev)
322 {
323 const __be32 *fw_data;
324 int i;
325
326 if (!rdev->me_fw || !rdev->pfp_fw)
327 return -EINVAL;
328
329 r700_cp_stop(rdev);
330 WREG32(CP_RB_CNTL,
331 #ifdef __BIG_ENDIAN
332 BUF_SWAP_32BIT |
333 #endif
334 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
335
336 /* Reset cp */
337 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
338 RREG32(GRBM_SOFT_RESET);
339 mdelay(15);
340 WREG32(GRBM_SOFT_RESET, 0);
341
342 fw_data = (const __be32 *)rdev->pfp_fw->data;
343 WREG32(CP_PFP_UCODE_ADDR, 0);
344 for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
345 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
346 WREG32(CP_PFP_UCODE_ADDR, 0);
347
348 fw_data = (const __be32 *)rdev->me_fw->data;
349 WREG32(CP_ME_RAM_WADDR, 0);
350 for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
351 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
352
353 WREG32(CP_PFP_UCODE_ADDR, 0);
354 WREG32(CP_ME_RAM_WADDR, 0);
355 WREG32(CP_ME_RAM_RADDR, 0);
356 return 0;
357 }
358
359 void r700_cp_fini(struct radeon_device *rdev)
360 {
361 r700_cp_stop(rdev);
362 radeon_ring_fini(rdev);
363 }
364
365 /*
366 * Core functions
367 */
368 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
369 u32 num_tile_pipes,
370 u32 num_backends,
371 u32 backend_disable_mask)
372 {
373 u32 backend_map = 0;
374 u32 enabled_backends_mask;
375 u32 enabled_backends_count;
376 u32 cur_pipe;
377 u32 swizzle_pipe[R7XX_MAX_PIPES];
378 u32 cur_backend;
379 u32 i;
380 bool force_no_swizzle;
381
382 if (num_tile_pipes > R7XX_MAX_PIPES)
383 num_tile_pipes = R7XX_MAX_PIPES;
384 if (num_tile_pipes < 1)
385 num_tile_pipes = 1;
386 if (num_backends > R7XX_MAX_BACKENDS)
387 num_backends = R7XX_MAX_BACKENDS;
388 if (num_backends < 1)
389 num_backends = 1;
390
391 enabled_backends_mask = 0;
392 enabled_backends_count = 0;
393 for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
394 if (((backend_disable_mask >> i) & 1) == 0) {
395 enabled_backends_mask |= (1 << i);
396 ++enabled_backends_count;
397 }
398 if (enabled_backends_count == num_backends)
399 break;
400 }
401
402 if (enabled_backends_count == 0) {
403 enabled_backends_mask = 1;
404 enabled_backends_count = 1;
405 }
406
407 if (enabled_backends_count != num_backends)
408 num_backends = enabled_backends_count;
409
410 switch (rdev->family) {
411 case CHIP_RV770:
412 case CHIP_RV730:
413 force_no_swizzle = false;
414 break;
415 case CHIP_RV710:
416 case CHIP_RV740:
417 default:
418 force_no_swizzle = true;
419 break;
420 }
421
422 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
423 switch (num_tile_pipes) {
424 case 1:
425 swizzle_pipe[0] = 0;
426 break;
427 case 2:
428 swizzle_pipe[0] = 0;
429 swizzle_pipe[1] = 1;
430 break;
431 case 3:
432 if (force_no_swizzle) {
433 swizzle_pipe[0] = 0;
434 swizzle_pipe[1] = 1;
435 swizzle_pipe[2] = 2;
436 } else {
437 swizzle_pipe[0] = 0;
438 swizzle_pipe[1] = 2;
439 swizzle_pipe[2] = 1;
440 }
441 break;
442 case 4:
443 if (force_no_swizzle) {
444 swizzle_pipe[0] = 0;
445 swizzle_pipe[1] = 1;
446 swizzle_pipe[2] = 2;
447 swizzle_pipe[3] = 3;
448 } else {
449 swizzle_pipe[0] = 0;
450 swizzle_pipe[1] = 2;
451 swizzle_pipe[2] = 3;
452 swizzle_pipe[3] = 1;
453 }
454 break;
455 case 5:
456 if (force_no_swizzle) {
457 swizzle_pipe[0] = 0;
458 swizzle_pipe[1] = 1;
459 swizzle_pipe[2] = 2;
460 swizzle_pipe[3] = 3;
461 swizzle_pipe[4] = 4;
462 } else {
463 swizzle_pipe[0] = 0;
464 swizzle_pipe[1] = 2;
465 swizzle_pipe[2] = 4;
466 swizzle_pipe[3] = 1;
467 swizzle_pipe[4] = 3;
468 }
469 break;
470 case 6:
471 if (force_no_swizzle) {
472 swizzle_pipe[0] = 0;
473 swizzle_pipe[1] = 1;
474 swizzle_pipe[2] = 2;
475 swizzle_pipe[3] = 3;
476 swizzle_pipe[4] = 4;
477 swizzle_pipe[5] = 5;
478 } else {
479 swizzle_pipe[0] = 0;
480 swizzle_pipe[1] = 2;
481 swizzle_pipe[2] = 4;
482 swizzle_pipe[3] = 5;
483 swizzle_pipe[4] = 3;
484 swizzle_pipe[5] = 1;
485 }
486 break;
487 case 7:
488 if (force_no_swizzle) {
489 swizzle_pipe[0] = 0;
490 swizzle_pipe[1] = 1;
491 swizzle_pipe[2] = 2;
492 swizzle_pipe[3] = 3;
493 swizzle_pipe[4] = 4;
494 swizzle_pipe[5] = 5;
495 swizzle_pipe[6] = 6;
496 } else {
497 swizzle_pipe[0] = 0;
498 swizzle_pipe[1] = 2;
499 swizzle_pipe[2] = 4;
500 swizzle_pipe[3] = 6;
501 swizzle_pipe[4] = 3;
502 swizzle_pipe[5] = 1;
503 swizzle_pipe[6] = 5;
504 }
505 break;
506 case 8:
507 if (force_no_swizzle) {
508 swizzle_pipe[0] = 0;
509 swizzle_pipe[1] = 1;
510 swizzle_pipe[2] = 2;
511 swizzle_pipe[3] = 3;
512 swizzle_pipe[4] = 4;
513 swizzle_pipe[5] = 5;
514 swizzle_pipe[6] = 6;
515 swizzle_pipe[7] = 7;
516 } else {
517 swizzle_pipe[0] = 0;
518 swizzle_pipe[1] = 2;
519 swizzle_pipe[2] = 4;
520 swizzle_pipe[3] = 6;
521 swizzle_pipe[4] = 3;
522 swizzle_pipe[5] = 1;
523 swizzle_pipe[6] = 7;
524 swizzle_pipe[7] = 5;
525 }
526 break;
527 }
528
529 cur_backend = 0;
530 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
531 while (((1 << cur_backend) & enabled_backends_mask) == 0)
532 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
533
534 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
535
536 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
537 }
538
539 return backend_map;
540 }
541
542 static void rv770_gpu_init(struct radeon_device *rdev)
543 {
544 int i, j, num_qd_pipes;
545 u32 ta_aux_cntl;
546 u32 sx_debug_1;
547 u32 smx_dc_ctl0;
548 u32 db_debug3;
549 u32 num_gs_verts_per_thread;
550 u32 vgt_gs_per_es;
551 u32 gs_prim_buffer_depth = 0;
552 u32 sq_ms_fifo_sizes;
553 u32 sq_config;
554 u32 sq_thread_resource_mgmt;
555 u32 hdp_host_path_cntl;
556 u32 sq_dyn_gpr_size_simd_ab_0;
557 u32 backend_map;
558 u32 gb_tiling_config = 0;
559 u32 cc_rb_backend_disable = 0;
560 u32 cc_gc_shader_pipe_config = 0;
561 u32 mc_arb_ramcfg;
562 u32 db_debug4;
563
564 /* setup chip specs */
565 switch (rdev->family) {
566 case CHIP_RV770:
567 rdev->config.rv770.max_pipes = 4;
568 rdev->config.rv770.max_tile_pipes = 8;
569 rdev->config.rv770.max_simds = 10;
570 rdev->config.rv770.max_backends = 4;
571 rdev->config.rv770.max_gprs = 256;
572 rdev->config.rv770.max_threads = 248;
573 rdev->config.rv770.max_stack_entries = 512;
574 rdev->config.rv770.max_hw_contexts = 8;
575 rdev->config.rv770.max_gs_threads = 16 * 2;
576 rdev->config.rv770.sx_max_export_size = 128;
577 rdev->config.rv770.sx_max_export_pos_size = 16;
578 rdev->config.rv770.sx_max_export_smx_size = 112;
579 rdev->config.rv770.sq_num_cf_insts = 2;
580
581 rdev->config.rv770.sx_num_of_sets = 7;
582 rdev->config.rv770.sc_prim_fifo_size = 0xF9;
583 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
584 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
585 break;
586 case CHIP_RV730:
587 rdev->config.rv770.max_pipes = 2;
588 rdev->config.rv770.max_tile_pipes = 4;
589 rdev->config.rv770.max_simds = 8;
590 rdev->config.rv770.max_backends = 2;
591 rdev->config.rv770.max_gprs = 128;
592 rdev->config.rv770.max_threads = 248;
593 rdev->config.rv770.max_stack_entries = 256;
594 rdev->config.rv770.max_hw_contexts = 8;
595 rdev->config.rv770.max_gs_threads = 16 * 2;
596 rdev->config.rv770.sx_max_export_size = 256;
597 rdev->config.rv770.sx_max_export_pos_size = 32;
598 rdev->config.rv770.sx_max_export_smx_size = 224;
599 rdev->config.rv770.sq_num_cf_insts = 2;
600
601 rdev->config.rv770.sx_num_of_sets = 7;
602 rdev->config.rv770.sc_prim_fifo_size = 0xf9;
603 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
604 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
605 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
606 rdev->config.rv770.sx_max_export_pos_size -= 16;
607 rdev->config.rv770.sx_max_export_smx_size += 16;
608 }
609 break;
610 case CHIP_RV710:
611 rdev->config.rv770.max_pipes = 2;
612 rdev->config.rv770.max_tile_pipes = 2;
613 rdev->config.rv770.max_simds = 2;
614 rdev->config.rv770.max_backends = 1;
615 rdev->config.rv770.max_gprs = 256;
616 rdev->config.rv770.max_threads = 192;
617 rdev->config.rv770.max_stack_entries = 256;
618 rdev->config.rv770.max_hw_contexts = 4;
619 rdev->config.rv770.max_gs_threads = 8 * 2;
620 rdev->config.rv770.sx_max_export_size = 128;
621 rdev->config.rv770.sx_max_export_pos_size = 16;
622 rdev->config.rv770.sx_max_export_smx_size = 112;
623 rdev->config.rv770.sq_num_cf_insts = 1;
624
625 rdev->config.rv770.sx_num_of_sets = 7;
626 rdev->config.rv770.sc_prim_fifo_size = 0x40;
627 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
628 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
629 break;
630 case CHIP_RV740:
631 rdev->config.rv770.max_pipes = 4;
632 rdev->config.rv770.max_tile_pipes = 4;
633 rdev->config.rv770.max_simds = 8;
634 rdev->config.rv770.max_backends = 4;
635 rdev->config.rv770.max_gprs = 256;
636 rdev->config.rv770.max_threads = 248;
637 rdev->config.rv770.max_stack_entries = 512;
638 rdev->config.rv770.max_hw_contexts = 8;
639 rdev->config.rv770.max_gs_threads = 16 * 2;
640 rdev->config.rv770.sx_max_export_size = 256;
641 rdev->config.rv770.sx_max_export_pos_size = 32;
642 rdev->config.rv770.sx_max_export_smx_size = 224;
643 rdev->config.rv770.sq_num_cf_insts = 2;
644
645 rdev->config.rv770.sx_num_of_sets = 7;
646 rdev->config.rv770.sc_prim_fifo_size = 0x100;
647 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
648 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
649
650 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
651 rdev->config.rv770.sx_max_export_pos_size -= 16;
652 rdev->config.rv770.sx_max_export_smx_size += 16;
653 }
654 break;
655 default:
656 break;
657 }
658
659 /* Initialize HDP */
660 j = 0;
661 for (i = 0; i < 32; i++) {
662 WREG32((0x2c14 + j), 0x00000000);
663 WREG32((0x2c18 + j), 0x00000000);
664 WREG32((0x2c1c + j), 0x00000000);
665 WREG32((0x2c20 + j), 0x00000000);
666 WREG32((0x2c24 + j), 0x00000000);
667 j += 0x18;
668 }
669
670 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
671
672 /* setup tiling, simd, pipe config */
673 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
674
675 switch (rdev->config.rv770.max_tile_pipes) {
676 case 1:
677 default:
678 gb_tiling_config |= PIPE_TILING(0);
679 break;
680 case 2:
681 gb_tiling_config |= PIPE_TILING(1);
682 break;
683 case 4:
684 gb_tiling_config |= PIPE_TILING(2);
685 break;
686 case 8:
687 gb_tiling_config |= PIPE_TILING(3);
688 break;
689 }
690 rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
691
692 if (rdev->family == CHIP_RV770)
693 gb_tiling_config |= BANK_TILING(1);
694 else
695 gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
696 rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
697 gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
698 if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
699 rdev->config.rv770.tiling_group_size = 512;
700 else
701 rdev->config.rv770.tiling_group_size = 256;
702 if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
703 gb_tiling_config |= ROW_TILING(3);
704 gb_tiling_config |= SAMPLE_SPLIT(3);
705 } else {
706 gb_tiling_config |=
707 ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
708 gb_tiling_config |=
709 SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
710 }
711
712 gb_tiling_config |= BANK_SWAPS(1);
713
714 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
715 cc_rb_backend_disable |=
716 BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
717
718 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
719 cc_gc_shader_pipe_config |=
720 INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
721 cc_gc_shader_pipe_config |=
722 INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
723
724 if (rdev->family == CHIP_RV740)
725 backend_map = 0x28;
726 else
727 backend_map = r700_get_tile_pipe_to_backend_map(rdev,
728 rdev->config.rv770.max_tile_pipes,
729 (R7XX_MAX_BACKENDS -
730 r600_count_pipe_bits((cc_rb_backend_disable &
731 R7XX_MAX_BACKENDS_MASK) >> 16)),
732 (cc_rb_backend_disable >> 16));
733
734 rdev->config.rv770.tile_config = gb_tiling_config;
735 rdev->config.rv770.backend_map = backend_map;
736 gb_tiling_config |= BACKEND_MAP(backend_map);
737
738 WREG32(GB_TILING_CONFIG, gb_tiling_config);
739 WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
740 WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
741
742 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
743 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
744 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
745 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
746
747 WREG32(CGTS_SYS_TCC_DISABLE, 0);
748 WREG32(CGTS_TCC_DISABLE, 0);
749 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
750 WREG32(CGTS_USER_TCC_DISABLE, 0);
751
752 num_qd_pipes =
753 R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
754 WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
755 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
756
757 /* set HW defaults for 3D engine */
758 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
759 ROQ_IB2_START(0x2b)));
760
761 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
762
763 ta_aux_cntl = RREG32(TA_CNTL_AUX);
764 WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
765
766 sx_debug_1 = RREG32(SX_DEBUG_1);
767 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
768 WREG32(SX_DEBUG_1, sx_debug_1);
769
770 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
771 smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
772 smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
773 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
774
775 if (rdev->family != CHIP_RV740)
776 WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
777 GS_FLUSH_CTL(4) |
778 ACK_FLUSH_CTL(3) |
779 SYNC_FLUSH_CTL));
780
781 db_debug3 = RREG32(DB_DEBUG3);
782 db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
783 switch (rdev->family) {
784 case CHIP_RV770:
785 case CHIP_RV740:
786 db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
787 break;
788 case CHIP_RV710:
789 case CHIP_RV730:
790 default:
791 db_debug3 |= DB_CLK_OFF_DELAY(2);
792 break;
793 }
794 WREG32(DB_DEBUG3, db_debug3);
795
796 if (rdev->family != CHIP_RV770) {
797 db_debug4 = RREG32(DB_DEBUG4);
798 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
799 WREG32(DB_DEBUG4, db_debug4);
800 }
801
802 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
803 POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
804 SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
805
806 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
807 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
808 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
809
810 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
811
812 WREG32(VGT_NUM_INSTANCES, 1);
813
814 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
815
816 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
817
818 WREG32(CP_PERFMON_CNTL, 0);
819
820 sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
821 DONE_FIFO_HIWATER(0xe0) |
822 ALU_UPDATE_FIFO_HIWATER(0x8));
823 switch (rdev->family) {
824 case CHIP_RV770:
825 case CHIP_RV730:
826 case CHIP_RV710:
827 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
828 break;
829 case CHIP_RV740:
830 default:
831 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
832 break;
833 }
834 WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
835
836 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
837 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
838 */
839 sq_config = RREG32(SQ_CONFIG);
840 sq_config &= ~(PS_PRIO(3) |
841 VS_PRIO(3) |
842 GS_PRIO(3) |
843 ES_PRIO(3));
844 sq_config |= (DX9_CONSTS |
845 VC_ENABLE |
846 EXPORT_SRC_C |
847 PS_PRIO(0) |
848 VS_PRIO(1) |
849 GS_PRIO(2) |
850 ES_PRIO(3));
851 if (rdev->family == CHIP_RV710)
852 /* no vertex cache */
853 sq_config &= ~VC_ENABLE;
854
855 WREG32(SQ_CONFIG, sq_config);
856
857 WREG32(SQ_GPR_RESOURCE_MGMT_1, (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
858 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
859 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
860
861 WREG32(SQ_GPR_RESOURCE_MGMT_2, (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
862 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
863
864 sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
865 NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
866 NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
867 if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
868 sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
869 else
870 sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
871 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
872
873 WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
874 NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
875
876 WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
877 NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
878
879 sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
880 SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
881 SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
882 SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
883
884 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
885 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
886 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
887 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
888 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
889 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
890 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
891 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
892
893 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
894 FORCE_EOV_MAX_REZ_CNT(255)));
895
896 if (rdev->family == CHIP_RV710)
897 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
898 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
899 else
900 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
901 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
902
903 switch (rdev->family) {
904 case CHIP_RV770:
905 case CHIP_RV730:
906 case CHIP_RV740:
907 gs_prim_buffer_depth = 384;
908 break;
909 case CHIP_RV710:
910 gs_prim_buffer_depth = 128;
911 break;
912 default:
913 break;
914 }
915
916 num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
917 vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
918 /* Max value for this is 256 */
919 if (vgt_gs_per_es > 256)
920 vgt_gs_per_es = 256;
921
922 WREG32(VGT_ES_PER_GS, 128);
923 WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
924 WREG32(VGT_GS_PER_VS, 2);
925
926 /* more default values. 2D/3D driver should adjust as needed */
927 WREG32(VGT_GS_VERTEX_REUSE, 16);
928 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
929 WREG32(VGT_STRMOUT_EN, 0);
930 WREG32(SX_MISC, 0);
931 WREG32(PA_SC_MODE_CNTL, 0);
932 WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
933 WREG32(PA_SC_AA_CONFIG, 0);
934 WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
935 WREG32(PA_SC_LINE_STIPPLE, 0);
936 WREG32(SPI_INPUT_Z, 0);
937 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
938 WREG32(CB_COLOR7_FRAG, 0);
939
940 /* clear render buffer base addresses */
941 WREG32(CB_COLOR0_BASE, 0);
942 WREG32(CB_COLOR1_BASE, 0);
943 WREG32(CB_COLOR2_BASE, 0);
944 WREG32(CB_COLOR3_BASE, 0);
945 WREG32(CB_COLOR4_BASE, 0);
946 WREG32(CB_COLOR5_BASE, 0);
947 WREG32(CB_COLOR6_BASE, 0);
948 WREG32(CB_COLOR7_BASE, 0);
949
950 WREG32(TCP_CNTL, 0);
951
952 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
953 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
954
955 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
956
957 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
958 NUM_CLIP_SEQ(3)));
959
960 }
961
962 static int rv770_vram_scratch_init(struct radeon_device *rdev)
963 {
964 int r;
965 u64 gpu_addr;
966
967 if (rdev->vram_scratch.robj == NULL) {
968 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
969 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
970 &rdev->vram_scratch.robj);
971 if (r) {
972 return r;
973 }
974 }
975
976 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
977 if (unlikely(r != 0))
978 return r;
979 r = radeon_bo_pin(rdev->vram_scratch.robj,
980 RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
981 if (r) {
982 radeon_bo_unreserve(rdev->vram_scratch.robj);
983 return r;
984 }
985 r = radeon_bo_kmap(rdev->vram_scratch.robj,
986 (void **)&rdev->vram_scratch.ptr);
987 if (r)
988 radeon_bo_unpin(rdev->vram_scratch.robj);
989 radeon_bo_unreserve(rdev->vram_scratch.robj);
990
991 return r;
992 }
993
994 static void rv770_vram_scratch_fini(struct radeon_device *rdev)
995 {
996 int r;
997
998 if (rdev->vram_scratch.robj == NULL) {
999 return;
1000 }
1001 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1002 if (likely(r == 0)) {
1003 radeon_bo_kunmap(rdev->vram_scratch.robj);
1004 radeon_bo_unpin(rdev->vram_scratch.robj);
1005 radeon_bo_unreserve(rdev->vram_scratch.robj);
1006 }
1007 radeon_bo_unref(&rdev->vram_scratch.robj);
1008 }
1009
1010 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1011 {
1012 u64 size_bf, size_af;
1013
1014 if (mc->mc_vram_size > 0xE0000000) {
1015 /* leave room for at least 512M GTT */
1016 dev_warn(rdev->dev, "limiting VRAM\n");
1017 mc->real_vram_size = 0xE0000000;
1018 mc->mc_vram_size = 0xE0000000;
1019 }
1020 if (rdev->flags & RADEON_IS_AGP) {
1021 size_bf = mc->gtt_start;
1022 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1023 if (size_bf > size_af) {
1024 if (mc->mc_vram_size > size_bf) {
1025 dev_warn(rdev->dev, "limiting VRAM\n");
1026 mc->real_vram_size = size_bf;
1027 mc->mc_vram_size = size_bf;
1028 }
1029 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1030 } else {
1031 if (mc->mc_vram_size > size_af) {
1032 dev_warn(rdev->dev, "limiting VRAM\n");
1033 mc->real_vram_size = size_af;
1034 mc->mc_vram_size = size_af;
1035 }
1036 mc->vram_start = mc->gtt_end;
1037 }
1038 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1039 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1040 mc->mc_vram_size >> 20, mc->vram_start,
1041 mc->vram_end, mc->real_vram_size >> 20);
1042 } else {
1043 radeon_vram_location(rdev, &rdev->mc, 0);
1044 rdev->mc.gtt_base_align = 0;
1045 radeon_gtt_location(rdev, mc);
1046 }
1047 }
1048
1049 int rv770_mc_init(struct radeon_device *rdev)
1050 {
1051 u32 tmp;
1052 int chansize, numchan;
1053
1054 /* Get VRAM informations */
1055 rdev->mc.vram_is_ddr = true;
1056 tmp = RREG32(MC_ARB_RAMCFG);
1057 if (tmp & CHANSIZE_OVERRIDE) {
1058 chansize = 16;
1059 } else if (tmp & CHANSIZE_MASK) {
1060 chansize = 64;
1061 } else {
1062 chansize = 32;
1063 }
1064 tmp = RREG32(MC_SHARED_CHMAP);
1065 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1066 case 0:
1067 default:
1068 numchan = 1;
1069 break;
1070 case 1:
1071 numchan = 2;
1072 break;
1073 case 2:
1074 numchan = 4;
1075 break;
1076 case 3:
1077 numchan = 8;
1078 break;
1079 }
1080 rdev->mc.vram_width = numchan * chansize;
1081 /* Could aper size report 0 ? */
1082 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1083 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1084 /* Setup GPU memory space */
1085 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1086 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1087 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1088 r700_vram_gtt_location(rdev, &rdev->mc);
1089 radeon_update_bandwidth_info(rdev);
1090
1091 return 0;
1092 }
1093
1094 static int rv770_startup(struct radeon_device *rdev)
1095 {
1096 int r;
1097
1098 /* enable pcie gen2 link */
1099 rv770_pcie_gen2_enable(rdev);
1100
1101 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1102 r = r600_init_microcode(rdev);
1103 if (r) {
1104 DRM_ERROR("Failed to load firmware!\n");
1105 return r;
1106 }
1107 }
1108
1109 rv770_mc_program(rdev);
1110 if (rdev->flags & RADEON_IS_AGP) {
1111 rv770_agp_enable(rdev);
1112 } else {
1113 r = rv770_pcie_gart_enable(rdev);
1114 if (r)
1115 return r;
1116 }
1117 r = rv770_vram_scratch_init(rdev);
1118 if (r)
1119 return r;
1120 rv770_gpu_init(rdev);
1121 r = r600_blit_init(rdev);
1122 if (r) {
1123 r600_blit_fini(rdev);
1124 rdev->asic->copy = NULL;
1125 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1126 }
1127
1128 /* allocate wb buffer */
1129 r = radeon_wb_init(rdev);
1130 if (r)
1131 return r;
1132
1133 /* Enable IRQ */
1134 r = r600_irq_init(rdev);
1135 if (r) {
1136 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1137 radeon_irq_kms_fini(rdev);
1138 return r;
1139 }
1140 r600_irq_set(rdev);
1141
1142 r = radeon_ring_init(rdev, rdev->cp.ring_size);
1143 if (r)
1144 return r;
1145 r = rv770_cp_load_microcode(rdev);
1146 if (r)
1147 return r;
1148 r = r600_cp_resume(rdev);
1149 if (r)
1150 return r;
1151
1152 return 0;
1153 }
1154
1155 int rv770_resume(struct radeon_device *rdev)
1156 {
1157 int r;
1158
1159 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1160 * posting will perform necessary task to bring back GPU into good
1161 * shape.
1162 */
1163 /* post card */
1164 atom_asic_init(rdev->mode_info.atom_context);
1165
1166 r = rv770_startup(rdev);
1167 if (r) {
1168 DRM_ERROR("r600 startup failed on resume\n");
1169 return r;
1170 }
1171
1172 r = r600_ib_test(rdev);
1173 if (r) {
1174 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1175 return r;
1176 }
1177
1178 r = r600_audio_init(rdev);
1179 if (r) {
1180 dev_err(rdev->dev, "radeon: audio init failed\n");
1181 return r;
1182 }
1183
1184 return r;
1185
1186 }
1187
1188 int rv770_suspend(struct radeon_device *rdev)
1189 {
1190 r600_audio_fini(rdev);
1191 /* FIXME: we should wait for ring to be empty */
1192 r700_cp_stop(rdev);
1193 rdev->cp.ready = false;
1194 r600_irq_suspend(rdev);
1195 radeon_wb_disable(rdev);
1196 rv770_pcie_gart_disable(rdev);
1197 r600_blit_suspend(rdev);
1198
1199 return 0;
1200 }
1201
1202 /* Plan is to move initialization in that function and use
1203 * helper function so that radeon_device_init pretty much
1204 * do nothing more than calling asic specific function. This
1205 * should also allow to remove a bunch of callback function
1206 * like vram_info.
1207 */
1208 int rv770_init(struct radeon_device *rdev)
1209 {
1210 int r;
1211
1212 /* This don't do much */
1213 r = radeon_gem_init(rdev);
1214 if (r)
1215 return r;
1216 /* Read BIOS */
1217 if (!radeon_get_bios(rdev)) {
1218 if (ASIC_IS_AVIVO(rdev))
1219 return -EINVAL;
1220 }
1221 /* Must be an ATOMBIOS */
1222 if (!rdev->is_atom_bios) {
1223 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1224 return -EINVAL;
1225 }
1226 r = radeon_atombios_init(rdev);
1227 if (r)
1228 return r;
1229 /* Post card if necessary */
1230 if (!radeon_card_posted(rdev)) {
1231 if (!rdev->bios) {
1232 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1233 return -EINVAL;
1234 }
1235 DRM_INFO("GPU not posted. posting now...\n");
1236 atom_asic_init(rdev->mode_info.atom_context);
1237 }
1238 /* Initialize scratch registers */
1239 r600_scratch_init(rdev);
1240 /* Initialize surface registers */
1241 radeon_surface_init(rdev);
1242 /* Initialize clocks */
1243 radeon_get_clock_info(rdev->ddev);
1244 /* Fence driver */
1245 r = radeon_fence_driver_init(rdev);
1246 if (r)
1247 return r;
1248 /* initialize AGP */
1249 if (rdev->flags & RADEON_IS_AGP) {
1250 r = radeon_agp_init(rdev);
1251 if (r)
1252 radeon_agp_disable(rdev);
1253 }
1254 r = rv770_mc_init(rdev);
1255 if (r)
1256 return r;
1257 /* Memory manager */
1258 r = radeon_bo_init(rdev);
1259 if (r)
1260 return r;
1261
1262 r = radeon_irq_kms_init(rdev);
1263 if (r)
1264 return r;
1265
1266 rdev->cp.ring_obj = NULL;
1267 r600_ring_init(rdev, 1024 * 1024);
1268
1269 rdev->ih.ring_obj = NULL;
1270 r600_ih_ring_init(rdev, 64 * 1024);
1271
1272 r = r600_pcie_gart_init(rdev);
1273 if (r)
1274 return r;
1275
1276 rdev->accel_working = true;
1277 r = rv770_startup(rdev);
1278 if (r) {
1279 dev_err(rdev->dev, "disabling GPU acceleration\n");
1280 r700_cp_fini(rdev);
1281 r600_irq_fini(rdev);
1282 radeon_wb_fini(rdev);
1283 radeon_irq_kms_fini(rdev);
1284 rv770_pcie_gart_fini(rdev);
1285 rdev->accel_working = false;
1286 }
1287 if (rdev->accel_working) {
1288 r = radeon_ib_pool_init(rdev);
1289 if (r) {
1290 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1291 rdev->accel_working = false;
1292 } else {
1293 r = r600_ib_test(rdev);
1294 if (r) {
1295 dev_err(rdev->dev, "IB test failed (%d).\n", r);
1296 rdev->accel_working = false;
1297 }
1298 }
1299 }
1300
1301 r = r600_audio_init(rdev);
1302 if (r) {
1303 dev_err(rdev->dev, "radeon: audio init failed\n");
1304 return r;
1305 }
1306
1307 return 0;
1308 }
1309
1310 void rv770_fini(struct radeon_device *rdev)
1311 {
1312 r600_blit_fini(rdev);
1313 r700_cp_fini(rdev);
1314 r600_irq_fini(rdev);
1315 radeon_wb_fini(rdev);
1316 radeon_ib_pool_fini(rdev);
1317 radeon_irq_kms_fini(rdev);
1318 rv770_pcie_gart_fini(rdev);
1319 rv770_vram_scratch_fini(rdev);
1320 radeon_gem_fini(rdev);
1321 radeon_fence_driver_fini(rdev);
1322 radeon_agp_fini(rdev);
1323 radeon_bo_fini(rdev);
1324 radeon_atombios_fini(rdev);
1325 kfree(rdev->bios);
1326 rdev->bios = NULL;
1327 }
1328
1329 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1330 {
1331 u32 link_width_cntl, lanes, speed_cntl, tmp;
1332 u16 link_cntl2;
1333
1334 if (radeon_pcie_gen2 == 0)
1335 return;
1336
1337 if (rdev->flags & RADEON_IS_IGP)
1338 return;
1339
1340 if (!(rdev->flags & RADEON_IS_PCIE))
1341 return;
1342
1343 /* x2 cards have a special sequence */
1344 if (ASIC_IS_X2(rdev))
1345 return;
1346
1347 /* advertise upconfig capability */
1348 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1349 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1350 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1351 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1352 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1353 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1354 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1355 LC_RECONFIG_ARC_MISSING_ESCAPE);
1356 link_width_cntl |= lanes | LC_RECONFIG_NOW |
1357 LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1358 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1359 } else {
1360 link_width_cntl |= LC_UPCONFIGURE_DIS;
1361 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1362 }
1363
1364 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1365 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1366 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1367
1368 tmp = RREG32(0x541c);
1369 WREG32(0x541c, tmp | 0x8);
1370 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1371 link_cntl2 = RREG16(0x4088);
1372 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1373 link_cntl2 |= 0x2;
1374 WREG16(0x4088, link_cntl2);
1375 WREG32(MM_CFGREGS_CNTL, 0);
1376
1377 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1378 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1379 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1380
1381 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1382 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1383 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1384
1385 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1386 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1387 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1388
1389 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1390 speed_cntl |= LC_GEN2_EN_STRAP;
1391 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1392
1393 } else {
1394 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1395 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1396 if (1)
1397 link_width_cntl |= LC_UPCONFIGURE_DIS;
1398 else
1399 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1400 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1401 }
1402 }
Mirror of the linux-mips.org kernel tree