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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / gpu / drm / radeon / ni.c
blob2509c505acb896a51e370f3078ee660b61cabe1d
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 <linux/module.h>
28 #include "drmP.h"
29 #include "radeon.h"
30 #include "radeon_asic.h"
31 #include "radeon_drm.h"
32 #include "nid.h"
33 #include "atom.h"
34 #include "ni_reg.h"
35 #include "cayman_blit_shaders.h"
36
37 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
38 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
39 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
40 extern void evergreen_mc_program(struct radeon_device *rdev);
41 extern void evergreen_irq_suspend(struct radeon_device *rdev);
42 extern int evergreen_mc_init(struct radeon_device *rdev);
43 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
44 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
45
46 #define EVERGREEN_PFP_UCODE_SIZE 1120
47 #define EVERGREEN_PM4_UCODE_SIZE 1376
48 #define EVERGREEN_RLC_UCODE_SIZE 768
49 #define BTC_MC_UCODE_SIZE 6024
50
51 #define CAYMAN_PFP_UCODE_SIZE 2176
52 #define CAYMAN_PM4_UCODE_SIZE 2176
53 #define CAYMAN_RLC_UCODE_SIZE 1024
54 #define CAYMAN_MC_UCODE_SIZE 6037
55
56 /* Firmware Names */
57 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
58 MODULE_FIRMWARE("radeon/BARTS_me.bin");
59 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
60 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
61 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
62 MODULE_FIRMWARE("radeon/TURKS_me.bin");
63 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
64 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
65 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
66 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
67 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
68 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
69 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
70 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
71
72 #define BTC_IO_MC_REGS_SIZE 29
73
74 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
75 {0x00000077, 0xff010100},
76 {0x00000078, 0x00000000},
77 {0x00000079, 0x00001434},
78 {0x0000007a, 0xcc08ec08},
79 {0x0000007b, 0x00040000},
80 {0x0000007c, 0x000080c0},
81 {0x0000007d, 0x09000000},
82 {0x0000007e, 0x00210404},
83 {0x00000081, 0x08a8e800},
84 {0x00000082, 0x00030444},
85 {0x00000083, 0x00000000},
86 {0x00000085, 0x00000001},
87 {0x00000086, 0x00000002},
88 {0x00000087, 0x48490000},
89 {0x00000088, 0x20244647},
90 {0x00000089, 0x00000005},
91 {0x0000008b, 0x66030000},
92 {0x0000008c, 0x00006603},
93 {0x0000008d, 0x00000100},
94 {0x0000008f, 0x00001c0a},
95 {0x00000090, 0xff000001},
96 {0x00000094, 0x00101101},
97 {0x00000095, 0x00000fff},
98 {0x00000096, 0x00116fff},
99 {0x00000097, 0x60010000},
100 {0x00000098, 0x10010000},
101 {0x00000099, 0x00006000},
102 {0x0000009a, 0x00001000},
103 {0x0000009f, 0x00946a00}
104 };
105
106 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
107 {0x00000077, 0xff010100},
108 {0x00000078, 0x00000000},
109 {0x00000079, 0x00001434},
110 {0x0000007a, 0xcc08ec08},
111 {0x0000007b, 0x00040000},
112 {0x0000007c, 0x000080c0},
113 {0x0000007d, 0x09000000},
114 {0x0000007e, 0x00210404},
115 {0x00000081, 0x08a8e800},
116 {0x00000082, 0x00030444},
117 {0x00000083, 0x00000000},
118 {0x00000085, 0x00000001},
119 {0x00000086, 0x00000002},
120 {0x00000087, 0x48490000},
121 {0x00000088, 0x20244647},
122 {0x00000089, 0x00000005},
123 {0x0000008b, 0x66030000},
124 {0x0000008c, 0x00006603},
125 {0x0000008d, 0x00000100},
126 {0x0000008f, 0x00001c0a},
127 {0x00000090, 0xff000001},
128 {0x00000094, 0x00101101},
129 {0x00000095, 0x00000fff},
130 {0x00000096, 0x00116fff},
131 {0x00000097, 0x60010000},
132 {0x00000098, 0x10010000},
133 {0x00000099, 0x00006000},
134 {0x0000009a, 0x00001000},
135 {0x0000009f, 0x00936a00}
136 };
137
138 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
139 {0x00000077, 0xff010100},
140 {0x00000078, 0x00000000},
141 {0x00000079, 0x00001434},
142 {0x0000007a, 0xcc08ec08},
143 {0x0000007b, 0x00040000},
144 {0x0000007c, 0x000080c0},
145 {0x0000007d, 0x09000000},
146 {0x0000007e, 0x00210404},
147 {0x00000081, 0x08a8e800},
148 {0x00000082, 0x00030444},
149 {0x00000083, 0x00000000},
150 {0x00000085, 0x00000001},
151 {0x00000086, 0x00000002},
152 {0x00000087, 0x48490000},
153 {0x00000088, 0x20244647},
154 {0x00000089, 0x00000005},
155 {0x0000008b, 0x66030000},
156 {0x0000008c, 0x00006603},
157 {0x0000008d, 0x00000100},
158 {0x0000008f, 0x00001c0a},
159 {0x00000090, 0xff000001},
160 {0x00000094, 0x00101101},
161 {0x00000095, 0x00000fff},
162 {0x00000096, 0x00116fff},
163 {0x00000097, 0x60010000},
164 {0x00000098, 0x10010000},
165 {0x00000099, 0x00006000},
166 {0x0000009a, 0x00001000},
167 {0x0000009f, 0x00916a00}
168 };
169
170 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
171 {0x00000077, 0xff010100},
172 {0x00000078, 0x00000000},
173 {0x00000079, 0x00001434},
174 {0x0000007a, 0xcc08ec08},
175 {0x0000007b, 0x00040000},
176 {0x0000007c, 0x000080c0},
177 {0x0000007d, 0x09000000},
178 {0x0000007e, 0x00210404},
179 {0x00000081, 0x08a8e800},
180 {0x00000082, 0x00030444},
181 {0x00000083, 0x00000000},
182 {0x00000085, 0x00000001},
183 {0x00000086, 0x00000002},
184 {0x00000087, 0x48490000},
185 {0x00000088, 0x20244647},
186 {0x00000089, 0x00000005},
187 {0x0000008b, 0x66030000},
188 {0x0000008c, 0x00006603},
189 {0x0000008d, 0x00000100},
190 {0x0000008f, 0x00001c0a},
191 {0x00000090, 0xff000001},
192 {0x00000094, 0x00101101},
193 {0x00000095, 0x00000fff},
194 {0x00000096, 0x00116fff},
195 {0x00000097, 0x60010000},
196 {0x00000098, 0x10010000},
197 {0x00000099, 0x00006000},
198 {0x0000009a, 0x00001000},
199 {0x0000009f, 0x00976b00}
200 };
201
202 int ni_mc_load_microcode(struct radeon_device *rdev)
203 {
204 const __be32 *fw_data;
205 u32 mem_type, running, blackout = 0;
206 u32 *io_mc_regs;
207 int i, ucode_size, regs_size;
208
209 if (!rdev->mc_fw)
210 return -EINVAL;
211
212 switch (rdev->family) {
213 case CHIP_BARTS:
214 io_mc_regs = (u32 *)&barts_io_mc_regs;
215 ucode_size = BTC_MC_UCODE_SIZE;
216 regs_size = BTC_IO_MC_REGS_SIZE;
217 break;
218 case CHIP_TURKS:
219 io_mc_regs = (u32 *)&turks_io_mc_regs;
220 ucode_size = BTC_MC_UCODE_SIZE;
221 regs_size = BTC_IO_MC_REGS_SIZE;
222 break;
223 case CHIP_CAICOS:
224 default:
225 io_mc_regs = (u32 *)&caicos_io_mc_regs;
226 ucode_size = BTC_MC_UCODE_SIZE;
227 regs_size = BTC_IO_MC_REGS_SIZE;
228 break;
229 case CHIP_CAYMAN:
230 io_mc_regs = (u32 *)&cayman_io_mc_regs;
231 ucode_size = CAYMAN_MC_UCODE_SIZE;
232 regs_size = BTC_IO_MC_REGS_SIZE;
233 break;
234 }
235
236 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
237 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
238
239 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
240 if (running) {
241 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
242 WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
243 }
244
245 /* reset the engine and set to writable */
246 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
247 WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
248
249 /* load mc io regs */
250 for (i = 0; i < regs_size; i++) {
251 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
252 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
253 }
254 /* load the MC ucode */
255 fw_data = (const __be32 *)rdev->mc_fw->data;
256 for (i = 0; i < ucode_size; i++)
257 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
258
259 /* put the engine back into the active state */
260 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
261 WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
262 WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
263
264 /* wait for training to complete */
265 for (i = 0; i < rdev->usec_timeout; i++) {
266 if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
267 break;
268 udelay(1);
269 }
270
271 if (running)
272 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
273 }
274
275 return 0;
276 }
277
278 int ni_init_microcode(struct radeon_device *rdev)
279 {
280 struct platform_device *pdev;
281 const char *chip_name;
282 const char *rlc_chip_name;
283 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
284 char fw_name[30];
285 int err;
286
287 DRM_DEBUG("\n");
288
289 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
290 err = IS_ERR(pdev);
291 if (err) {
292 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
293 return -EINVAL;
294 }
295
296 switch (rdev->family) {
297 case CHIP_BARTS:
298 chip_name = "BARTS";
299 rlc_chip_name = "BTC";
300 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
301 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
302 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
303 mc_req_size = BTC_MC_UCODE_SIZE * 4;
304 break;
305 case CHIP_TURKS:
306 chip_name = "TURKS";
307 rlc_chip_name = "BTC";
308 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
309 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
310 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
311 mc_req_size = BTC_MC_UCODE_SIZE * 4;
312 break;
313 case CHIP_CAICOS:
314 chip_name = "CAICOS";
315 rlc_chip_name = "BTC";
316 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
317 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
318 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
319 mc_req_size = BTC_MC_UCODE_SIZE * 4;
320 break;
321 case CHIP_CAYMAN:
322 chip_name = "CAYMAN";
323 rlc_chip_name = "CAYMAN";
324 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
325 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
326 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
327 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
328 break;
329 default: BUG();
330 }
331
332 DRM_INFO("Loading %s Microcode\n", chip_name);
333
334 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
335 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
336 if (err)
337 goto out;
338 if (rdev->pfp_fw->size != pfp_req_size) {
339 printk(KERN_ERR
340 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
341 rdev->pfp_fw->size, fw_name);
342 err = -EINVAL;
343 goto out;
344 }
345
346 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
347 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
348 if (err)
349 goto out;
350 if (rdev->me_fw->size != me_req_size) {
351 printk(KERN_ERR
352 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
353 rdev->me_fw->size, fw_name);
354 err = -EINVAL;
355 }
356
357 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
358 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
359 if (err)
360 goto out;
361 if (rdev->rlc_fw->size != rlc_req_size) {
362 printk(KERN_ERR
363 "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
364 rdev->rlc_fw->size, fw_name);
365 err = -EINVAL;
366 }
367
368 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
369 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
370 if (err)
371 goto out;
372 if (rdev->mc_fw->size != mc_req_size) {
373 printk(KERN_ERR
374 "ni_mc: Bogus length %zu in firmware \"%s\"\n",
375 rdev->mc_fw->size, fw_name);
376 err = -EINVAL;
377 }
378 out:
379 platform_device_unregister(pdev);
380
381 if (err) {
382 if (err != -EINVAL)
383 printk(KERN_ERR
384 "ni_cp: Failed to load firmware \"%s\"\n",
385 fw_name);
386 release_firmware(rdev->pfp_fw);
387 rdev->pfp_fw = NULL;
388 release_firmware(rdev->me_fw);
389 rdev->me_fw = NULL;
390 release_firmware(rdev->rlc_fw);
391 rdev->rlc_fw = NULL;
392 release_firmware(rdev->mc_fw);
393 rdev->mc_fw = NULL;
394 }
395 return err;
396 }
397
398 /*
399 * Core functions
400 */
401 static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
402 u32 num_tile_pipes,
403 u32 num_backends_per_asic,
404 u32 *backend_disable_mask_per_asic,
405 u32 num_shader_engines)
406 {
407 u32 backend_map = 0;
408 u32 enabled_backends_mask = 0;
409 u32 enabled_backends_count = 0;
410 u32 num_backends_per_se;
411 u32 cur_pipe;
412 u32 swizzle_pipe[CAYMAN_MAX_PIPES];
413 u32 cur_backend = 0;
414 u32 i;
415 bool force_no_swizzle;
416
417 /* force legal values */
418 if (num_tile_pipes < 1)
419 num_tile_pipes = 1;
420 if (num_tile_pipes > rdev->config.cayman.max_tile_pipes)
421 num_tile_pipes = rdev->config.cayman.max_tile_pipes;
422 if (num_shader_engines < 1)
423 num_shader_engines = 1;
424 if (num_shader_engines > rdev->config.cayman.max_shader_engines)
425 num_shader_engines = rdev->config.cayman.max_shader_engines;
426 if (num_backends_per_asic < num_shader_engines)
427 num_backends_per_asic = num_shader_engines;
428 if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
429 num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;
430
431 /* make sure we have the same number of backends per se */
432 num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines);
433 /* set up the number of backends per se */
434 num_backends_per_se = num_backends_per_asic / num_shader_engines;
435 if (num_backends_per_se > rdev->config.cayman.max_backends_per_se) {
436 num_backends_per_se = rdev->config.cayman.max_backends_per_se;
437 num_backends_per_asic = num_backends_per_se * num_shader_engines;
438 }
439
440 /* create enable mask and count for enabled backends */
441 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
442 if (((*backend_disable_mask_per_asic >> i) & 1) == 0) {
443 enabled_backends_mask |= (1 << i);
444 ++enabled_backends_count;
445 }
446 if (enabled_backends_count == num_backends_per_asic)
447 break;
448 }
449
450 /* force the backends mask to match the current number of backends */
451 if (enabled_backends_count != num_backends_per_asic) {
452 u32 this_backend_enabled;
453 u32 shader_engine;
454 u32 backend_per_se;
455
456 enabled_backends_mask = 0;
457 enabled_backends_count = 0;
458 *backend_disable_mask_per_asic = CAYMAN_MAX_BACKENDS_MASK;
459 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
460 /* calc the current se */
461 shader_engine = i / rdev->config.cayman.max_backends_per_se;
462 /* calc the backend per se */
463 backend_per_se = i % rdev->config.cayman.max_backends_per_se;
464 /* default to not enabled */
465 this_backend_enabled = 0;
466 if ((shader_engine < num_shader_engines) &&
467 (backend_per_se < num_backends_per_se))
468 this_backend_enabled = 1;
469 if (this_backend_enabled) {
470 enabled_backends_mask |= (1 << i);
471 *backend_disable_mask_per_asic &= ~(1 << i);
472 ++enabled_backends_count;
473 }
474 }
475 }
476
477
478 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * CAYMAN_MAX_PIPES);
479 switch (rdev->family) {
480 case CHIP_CAYMAN:
481 force_no_swizzle = true;
482 break;
483 default:
484 force_no_swizzle = false;
485 break;
486 }
487 if (force_no_swizzle) {
488 bool last_backend_enabled = false;
489
490 force_no_swizzle = false;
491 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
492 if (((enabled_backends_mask >> i) & 1) == 1) {
493 if (last_backend_enabled)
494 force_no_swizzle = true;
495 last_backend_enabled = true;
496 } else
497 last_backend_enabled = false;
498 }
499 }
500
501 switch (num_tile_pipes) {
502 case 1:
503 case 3:
504 case 5:
505 case 7:
506 DRM_ERROR("odd number of pipes!\n");
507 break;
508 case 2:
509 swizzle_pipe[0] = 0;
510 swizzle_pipe[1] = 1;
511 break;
512 case 4:
513 if (force_no_swizzle) {
514 swizzle_pipe[0] = 0;
515 swizzle_pipe[1] = 1;
516 swizzle_pipe[2] = 2;
517 swizzle_pipe[3] = 3;
518 } else {
519 swizzle_pipe[0] = 0;
520 swizzle_pipe[1] = 2;
521 swizzle_pipe[2] = 1;
522 swizzle_pipe[3] = 3;
523 }
524 break;
525 case 6:
526 if (force_no_swizzle) {
527 swizzle_pipe[0] = 0;
528 swizzle_pipe[1] = 1;
529 swizzle_pipe[2] = 2;
530 swizzle_pipe[3] = 3;
531 swizzle_pipe[4] = 4;
532 swizzle_pipe[5] = 5;
533 } else {
534 swizzle_pipe[0] = 0;
535 swizzle_pipe[1] = 2;
536 swizzle_pipe[2] = 4;
537 swizzle_pipe[3] = 1;
538 swizzle_pipe[4] = 3;
539 swizzle_pipe[5] = 5;
540 }
541 break;
542 case 8:
543 if (force_no_swizzle) {
544 swizzle_pipe[0] = 0;
545 swizzle_pipe[1] = 1;
546 swizzle_pipe[2] = 2;
547 swizzle_pipe[3] = 3;
548 swizzle_pipe[4] = 4;
549 swizzle_pipe[5] = 5;
550 swizzle_pipe[6] = 6;
551 swizzle_pipe[7] = 7;
552 } else {
553 swizzle_pipe[0] = 0;
554 swizzle_pipe[1] = 2;
555 swizzle_pipe[2] = 4;
556 swizzle_pipe[3] = 6;
557 swizzle_pipe[4] = 1;
558 swizzle_pipe[5] = 3;
559 swizzle_pipe[6] = 5;
560 swizzle_pipe[7] = 7;
561 }
562 break;
563 }
564
565 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
566 while (((1 << cur_backend) & enabled_backends_mask) == 0)
567 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
568
569 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
570
571 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
572 }
573
574 return backend_map;
575 }
576
577 static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
578 u32 disable_mask_per_se,
579 u32 max_disable_mask_per_se,
580 u32 num_shader_engines)
581 {
582 u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se);
583 u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se;
584
585 if (num_shader_engines == 1)
586 return disable_mask_per_asic;
587 else if (num_shader_engines == 2)
588 return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se);
589 else
590 return 0xffffffff;
591 }
592
593 static void cayman_gpu_init(struct radeon_device *rdev)
594 {
595 u32 cc_rb_backend_disable = 0;
596 u32 cc_gc_shader_pipe_config;
597 u32 gb_addr_config = 0;
598 u32 mc_shared_chmap, mc_arb_ramcfg;
599 u32 gb_backend_map;
600 u32 cgts_tcc_disable;
601 u32 sx_debug_1;
602 u32 smx_dc_ctl0;
603 u32 gc_user_shader_pipe_config;
604 u32 gc_user_rb_backend_disable;
605 u32 cgts_user_tcc_disable;
606 u32 cgts_sm_ctrl_reg;
607 u32 hdp_host_path_cntl;
608 u32 tmp;
609 int i, j;
610
611 switch (rdev->family) {
612 case CHIP_CAYMAN:
613 default:
614 rdev->config.cayman.max_shader_engines = 2;
615 rdev->config.cayman.max_pipes_per_simd = 4;
616 rdev->config.cayman.max_tile_pipes = 8;
617 rdev->config.cayman.max_simds_per_se = 12;
618 rdev->config.cayman.max_backends_per_se = 4;
619 rdev->config.cayman.max_texture_channel_caches = 8;
620 rdev->config.cayman.max_gprs = 256;
621 rdev->config.cayman.max_threads = 256;
622 rdev->config.cayman.max_gs_threads = 32;
623 rdev->config.cayman.max_stack_entries = 512;
624 rdev->config.cayman.sx_num_of_sets = 8;
625 rdev->config.cayman.sx_max_export_size = 256;
626 rdev->config.cayman.sx_max_export_pos_size = 64;
627 rdev->config.cayman.sx_max_export_smx_size = 192;
628 rdev->config.cayman.max_hw_contexts = 8;
629 rdev->config.cayman.sq_num_cf_insts = 2;
630
631 rdev->config.cayman.sc_prim_fifo_size = 0x100;
632 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
633 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
634 break;
635 }
636
637 /* Initialize HDP */
638 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
639 WREG32((0x2c14 + j), 0x00000000);
640 WREG32((0x2c18 + j), 0x00000000);
641 WREG32((0x2c1c + j), 0x00000000);
642 WREG32((0x2c20 + j), 0x00000000);
643 WREG32((0x2c24 + j), 0x00000000);
644 }
645
646 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
647
648 evergreen_fix_pci_max_read_req_size(rdev);
649
650 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
651 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
652
653 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE);
654 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
655 cgts_tcc_disable = 0xff000000;
656 gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE);
657 gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG);
658 cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE);
659
660 rdev->config.cayman.num_shader_engines = rdev->config.cayman.max_shader_engines;
661 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
662 rdev->config.cayman.num_shader_pipes_per_simd = r600_count_pipe_bits(tmp);
663 rdev->config.cayman.num_tile_pipes = rdev->config.cayman.max_tile_pipes;
664 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_SIMDS_MASK) >> INACTIVE_SIMDS_SHIFT;
665 rdev->config.cayman.num_simds_per_se = r600_count_pipe_bits(tmp);
666 tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
667 rdev->config.cayman.num_backends_per_se = r600_count_pipe_bits(tmp);
668 tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
669 rdev->config.cayman.backend_disable_mask_per_asic =
670 cayman_get_disable_mask_per_asic(rdev, tmp, CAYMAN_MAX_BACKENDS_PER_SE_MASK,
671 rdev->config.cayman.num_shader_engines);
672 rdev->config.cayman.backend_map =
673 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
674 rdev->config.cayman.num_backends_per_se *
675 rdev->config.cayman.num_shader_engines,
676 &rdev->config.cayman.backend_disable_mask_per_asic,
677 rdev->config.cayman.num_shader_engines);
678 tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT;
679 rdev->config.cayman.num_texture_channel_caches = r600_count_pipe_bits(tmp);
680 tmp = (mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT;
681 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
682 if (rdev->config.cayman.mem_max_burst_length_bytes > 512)
683 rdev->config.cayman.mem_max_burst_length_bytes = 512;
684 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
685 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
686 if (rdev->config.cayman.mem_row_size_in_kb > 4)
687 rdev->config.cayman.mem_row_size_in_kb = 4;
688 /* XXX use MC settings? */
689 rdev->config.cayman.shader_engine_tile_size = 32;
690 rdev->config.cayman.num_gpus = 1;
691 rdev->config.cayman.multi_gpu_tile_size = 64;
692
693 //gb_addr_config = 0x02011003
694 #if 0
695 gb_addr_config = RREG32(GB_ADDR_CONFIG);
696 #else
697 gb_addr_config = 0;
698 switch (rdev->config.cayman.num_tile_pipes) {
699 case 1:
700 default:
701 gb_addr_config |= NUM_PIPES(0);
702 break;
703 case 2:
704 gb_addr_config |= NUM_PIPES(1);
705 break;
706 case 4:
707 gb_addr_config |= NUM_PIPES(2);
708 break;
709 case 8:
710 gb_addr_config |= NUM_PIPES(3);
711 break;
712 }
713
714 tmp = (rdev->config.cayman.mem_max_burst_length_bytes / 256) - 1;
715 gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp);
716 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.cayman.num_shader_engines - 1);
717 tmp = (rdev->config.cayman.shader_engine_tile_size / 16) - 1;
718 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp);
719 switch (rdev->config.cayman.num_gpus) {
720 case 1:
721 default:
722 gb_addr_config |= NUM_GPUS(0);
723 break;
724 case 2:
725 gb_addr_config |= NUM_GPUS(1);
726 break;
727 case 4:
728 gb_addr_config |= NUM_GPUS(2);
729 break;
730 }
731 switch (rdev->config.cayman.multi_gpu_tile_size) {
732 case 16:
733 gb_addr_config |= MULTI_GPU_TILE_SIZE(0);
734 break;
735 case 32:
736 default:
737 gb_addr_config |= MULTI_GPU_TILE_SIZE(1);
738 break;
739 case 64:
740 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
741 break;
742 case 128:
743 gb_addr_config |= MULTI_GPU_TILE_SIZE(3);
744 break;
745 }
746 switch (rdev->config.cayman.mem_row_size_in_kb) {
747 case 1:
748 default:
749 gb_addr_config |= ROW_SIZE(0);
750 break;
751 case 2:
752 gb_addr_config |= ROW_SIZE(1);
753 break;
754 case 4:
755 gb_addr_config |= ROW_SIZE(2);
756 break;
757 }
758 #endif
759
760 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
761 rdev->config.cayman.num_tile_pipes = (1 << tmp);
762 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
763 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
764 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
765 rdev->config.cayman.num_shader_engines = tmp + 1;
766 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
767 rdev->config.cayman.num_gpus = tmp + 1;
768 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
769 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
770 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
771 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
772
773 //gb_backend_map = 0x76541032;
774 #if 0
775 gb_backend_map = RREG32(GB_BACKEND_MAP);
776 #else
777 gb_backend_map =
778 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
779 rdev->config.cayman.num_backends_per_se *
780 rdev->config.cayman.num_shader_engines,
781 &rdev->config.cayman.backend_disable_mask_per_asic,
782 rdev->config.cayman.num_shader_engines);
783 #endif
784 /* setup tiling info dword. gb_addr_config is not adequate since it does
785 * not have bank info, so create a custom tiling dword.
786 * bits 3:0 num_pipes
787 * bits 7:4 num_banks
788 * bits 11:8 group_size
789 * bits 15:12 row_size
790 */
791 rdev->config.cayman.tile_config = 0;
792 switch (rdev->config.cayman.num_tile_pipes) {
793 case 1:
794 default:
795 rdev->config.cayman.tile_config |= (0 << 0);
796 break;
797 case 2:
798 rdev->config.cayman.tile_config |= (1 << 0);
799 break;
800 case 4:
801 rdev->config.cayman.tile_config |= (2 << 0);
802 break;
803 case 8:
804 rdev->config.cayman.tile_config |= (3 << 0);
805 break;
806 }
807 rdev->config.cayman.tile_config |=
808 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
809 rdev->config.cayman.tile_config |=
810 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
811 rdev->config.cayman.tile_config |=
812 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
813
814 rdev->config.cayman.backend_map = gb_backend_map;
815 WREG32(GB_BACKEND_MAP, gb_backend_map);
816 WREG32(GB_ADDR_CONFIG, gb_addr_config);
817 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
818 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
819
820 /* primary versions */
821 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
822 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
823 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
824
825 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
826 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
827
828 /* user versions */
829 WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable);
830 WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
831 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
832
833 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
834 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
835
836 /* reprogram the shader complex */
837 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
838 for (i = 0; i < 16; i++)
839 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
840 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
841
842 /* set HW defaults for 3D engine */
843 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
844
845 sx_debug_1 = RREG32(SX_DEBUG_1);
846 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
847 WREG32(SX_DEBUG_1, sx_debug_1);
848
849 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
850 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
851 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
852 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
853
854 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
855
856 /* need to be explicitly zero-ed */
857 WREG32(VGT_OFFCHIP_LDS_BASE, 0);
858 WREG32(SQ_LSTMP_RING_BASE, 0);
859 WREG32(SQ_HSTMP_RING_BASE, 0);
860 WREG32(SQ_ESTMP_RING_BASE, 0);
861 WREG32(SQ_GSTMP_RING_BASE, 0);
862 WREG32(SQ_VSTMP_RING_BASE, 0);
863 WREG32(SQ_PSTMP_RING_BASE, 0);
864
865 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
866
867 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
868 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
869 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
870
871 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
872 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
873 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
874
875
876 WREG32(VGT_NUM_INSTANCES, 1);
877
878 WREG32(CP_PERFMON_CNTL, 0);
879
880 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
881 FETCH_FIFO_HIWATER(0x4) |
882 DONE_FIFO_HIWATER(0xe0) |
883 ALU_UPDATE_FIFO_HIWATER(0x8)));
884
885 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
886 WREG32(SQ_CONFIG, (VC_ENABLE |
887 EXPORT_SRC_C |
888 GFX_PRIO(0) |
889 CS1_PRIO(0) |
890 CS2_PRIO(1)));
891 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
892
893 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
894 FORCE_EOV_MAX_REZ_CNT(255)));
895
896 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
897 AUTO_INVLD_EN(ES_AND_GS_AUTO));
898
899 WREG32(VGT_GS_VERTEX_REUSE, 16);
900 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
901
902 WREG32(CB_PERF_CTR0_SEL_0, 0);
903 WREG32(CB_PERF_CTR0_SEL_1, 0);
904 WREG32(CB_PERF_CTR1_SEL_0, 0);
905 WREG32(CB_PERF_CTR1_SEL_1, 0);
906 WREG32(CB_PERF_CTR2_SEL_0, 0);
907 WREG32(CB_PERF_CTR2_SEL_1, 0);
908 WREG32(CB_PERF_CTR3_SEL_0, 0);
909 WREG32(CB_PERF_CTR3_SEL_1, 0);
910
911 tmp = RREG32(HDP_MISC_CNTL);
912 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
913 WREG32(HDP_MISC_CNTL, tmp);
914
915 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
916 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
917
918 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
919
920 udelay(50);
921 }
922
923 /*
924 * GART
925 */
926 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
927 {
928 /* flush hdp cache */
929 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
930
931 /* bits 0-7 are the VM contexts0-7 */
932 WREG32(VM_INVALIDATE_REQUEST, 1);
933 }
934
935 int cayman_pcie_gart_enable(struct radeon_device *rdev)
936 {
937 int i, r;
938
939 if (rdev->gart.robj == NULL) {
940 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
941 return -EINVAL;
942 }
943 r = radeon_gart_table_vram_pin(rdev);
944 if (r)
945 return r;
946 radeon_gart_restore(rdev);
947 /* Setup TLB control */
948 WREG32(MC_VM_MX_L1_TLB_CNTL,
949 (0xA << 7) |
950 ENABLE_L1_TLB |
951 ENABLE_L1_FRAGMENT_PROCESSING |
952 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
953 ENABLE_ADVANCED_DRIVER_MODEL |
954 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
955 /* Setup L2 cache */
956 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
957 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
958 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
959 EFFECTIVE_L2_QUEUE_SIZE(7) |
960 CONTEXT1_IDENTITY_ACCESS_MODE(1));
961 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
962 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
963 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
964 /* setup context0 */
965 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
966 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
967 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
968 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
969 (u32)(rdev->dummy_page.addr >> 12));
970 WREG32(VM_CONTEXT0_CNTL2, 0);
971 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
972 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
973
974 WREG32(0x15D4, 0);
975 WREG32(0x15D8, 0);
976 WREG32(0x15DC, 0);
977
978 /* empty context1-7 */
979 for (i = 1; i < 8; i++) {
980 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
981 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
982 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
983 rdev->gart.table_addr >> 12);
984 }
985
986 /* enable context1-7 */
987 WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
988 (u32)(rdev->dummy_page.addr >> 12));
989 WREG32(VM_CONTEXT1_CNTL2, 0);
990 WREG32(VM_CONTEXT1_CNTL, 0);
991 WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
992 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
993
994 cayman_pcie_gart_tlb_flush(rdev);
995 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
996 (unsigned)(rdev->mc.gtt_size >> 20),
997 (unsigned long long)rdev->gart.table_addr);
998 rdev->gart.ready = true;
999 return 0;
1000 }
1001
1002 void cayman_pcie_gart_disable(struct radeon_device *rdev)
1003 {
1004 /* Disable all tables */
1005 WREG32(VM_CONTEXT0_CNTL, 0);
1006 WREG32(VM_CONTEXT1_CNTL, 0);
1007 /* Setup TLB control */
1008 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1009 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1010 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1011 /* Setup L2 cache */
1012 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1013 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1014 EFFECTIVE_L2_QUEUE_SIZE(7) |
1015 CONTEXT1_IDENTITY_ACCESS_MODE(1));
1016 WREG32(VM_L2_CNTL2, 0);
1017 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1018 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1019 radeon_gart_table_vram_unpin(rdev);
1020 }
1021
1022 void cayman_pcie_gart_fini(struct radeon_device *rdev)
1023 {
1024 cayman_pcie_gart_disable(rdev);
1025 radeon_gart_table_vram_free(rdev);
1026 radeon_gart_fini(rdev);
1027 }
1028
1029 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1030 int ring, u32 cp_int_cntl)
1031 {
1032 u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1033
1034 WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1035 WREG32(CP_INT_CNTL, cp_int_cntl);
1036 }
1037
1038 /*
1039 * CP.
1040 */
1041 void cayman_fence_ring_emit(struct radeon_device *rdev,
1042 struct radeon_fence *fence)
1043 {
1044 struct radeon_ring *ring = &rdev->ring[fence->ring];
1045 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1046
1047 /* flush read cache over gart for this vmid */
1048 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1049 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
1050 radeon_ring_write(ring, 0);
1051 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1052 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
1053 radeon_ring_write(ring, 0xFFFFFFFF);
1054 radeon_ring_write(ring, 0);
1055 radeon_ring_write(ring, 10); /* poll interval */
1056 /* EVENT_WRITE_EOP - flush caches, send int */
1057 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1058 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1059 radeon_ring_write(ring, addr & 0xffffffff);
1060 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1061 radeon_ring_write(ring, fence->seq);
1062 radeon_ring_write(ring, 0);
1063 }
1064
1065 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1066 {
1067 struct radeon_ring *ring = &rdev->ring[ib->fence->ring];
1068
1069 /* set to DX10/11 mode */
1070 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1071 radeon_ring_write(ring, 1);
1072 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1073 radeon_ring_write(ring,
1074 #ifdef __BIG_ENDIAN
1075 (2 << 0) |
1076 #endif
1077 (ib->gpu_addr & 0xFFFFFFFC));
1078 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1079 radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
1080
1081 /* flush read cache over gart for this vmid */
1082 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1083 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
1084 radeon_ring_write(ring, ib->vm_id);
1085 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1086 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
1087 radeon_ring_write(ring, 0xFFFFFFFF);
1088 radeon_ring_write(ring, 0);
1089 radeon_ring_write(ring, 10); /* poll interval */
1090 }
1091
1092 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1093 {
1094 if (enable)
1095 WREG32(CP_ME_CNTL, 0);
1096 else {
1097 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1098 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1099 WREG32(SCRATCH_UMSK, 0);
1100 }
1101 }
1102
1103 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1104 {
1105 const __be32 *fw_data;
1106 int i;
1107
1108 if (!rdev->me_fw || !rdev->pfp_fw)
1109 return -EINVAL;
1110
1111 cayman_cp_enable(rdev, false);
1112
1113 fw_data = (const __be32 *)rdev->pfp_fw->data;
1114 WREG32(CP_PFP_UCODE_ADDR, 0);
1115 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1116 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1117 WREG32(CP_PFP_UCODE_ADDR, 0);
1118
1119 fw_data = (const __be32 *)rdev->me_fw->data;
1120 WREG32(CP_ME_RAM_WADDR, 0);
1121 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1122 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1123
1124 WREG32(CP_PFP_UCODE_ADDR, 0);
1125 WREG32(CP_ME_RAM_WADDR, 0);
1126 WREG32(CP_ME_RAM_RADDR, 0);
1127 return 0;
1128 }
1129
1130 static int cayman_cp_start(struct radeon_device *rdev)
1131 {
1132 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1133 int r, i;
1134
1135 r = radeon_ring_lock(rdev, ring, 7);
1136 if (r) {
1137 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1138 return r;
1139 }
1140 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1141 radeon_ring_write(ring, 0x1);
1142 radeon_ring_write(ring, 0x0);
1143 radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1144 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1145 radeon_ring_write(ring, 0);
1146 radeon_ring_write(ring, 0);
1147 radeon_ring_unlock_commit(rdev, ring);
1148
1149 cayman_cp_enable(rdev, true);
1150
1151 r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1152 if (r) {
1153 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1154 return r;
1155 }
1156
1157 /* setup clear context state */
1158 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1159 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1160
1161 for (i = 0; i < cayman_default_size; i++)
1162 radeon_ring_write(ring, cayman_default_state[i]);
1163
1164 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1165 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1166
1167 /* set clear context state */
1168 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1169 radeon_ring_write(ring, 0);
1170
1171 /* SQ_VTX_BASE_VTX_LOC */
1172 radeon_ring_write(ring, 0xc0026f00);
1173 radeon_ring_write(ring, 0x00000000);
1174 radeon_ring_write(ring, 0x00000000);
1175 radeon_ring_write(ring, 0x00000000);
1176
1177 /* Clear consts */
1178 radeon_ring_write(ring, 0xc0036f00);
1179 radeon_ring_write(ring, 0x00000bc4);
1180 radeon_ring_write(ring, 0xffffffff);
1181 radeon_ring_write(ring, 0xffffffff);
1182 radeon_ring_write(ring, 0xffffffff);
1183
1184 radeon_ring_write(ring, 0xc0026900);
1185 radeon_ring_write(ring, 0x00000316);
1186 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1187 radeon_ring_write(ring, 0x00000010); /* */
1188
1189 radeon_ring_unlock_commit(rdev, ring);
1190
1191 /* XXX init other rings */
1192
1193 return 0;
1194 }
1195
1196 static void cayman_cp_fini(struct radeon_device *rdev)
1197 {
1198 cayman_cp_enable(rdev, false);
1199 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1200 }
1201
1202 int cayman_cp_resume(struct radeon_device *rdev)
1203 {
1204 struct radeon_ring *ring;
1205 u32 tmp;
1206 u32 rb_bufsz;
1207 int r;
1208
1209 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1210 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1211 SOFT_RESET_PA |
1212 SOFT_RESET_SH |
1213 SOFT_RESET_VGT |
1214 SOFT_RESET_SPI |
1215 SOFT_RESET_SX));
1216 RREG32(GRBM_SOFT_RESET);
1217 mdelay(15);
1218 WREG32(GRBM_SOFT_RESET, 0);
1219 RREG32(GRBM_SOFT_RESET);
1220
1221 WREG32(CP_SEM_WAIT_TIMER, 0x0);
1222 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1223
1224 /* Set the write pointer delay */
1225 WREG32(CP_RB_WPTR_DELAY, 0);
1226
1227 WREG32(CP_DEBUG, (1 << 27));
1228
1229 /* ring 0 - compute and gfx */
1230 /* Set ring buffer size */
1231 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1232 rb_bufsz = drm_order(ring->ring_size / 8);
1233 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1234 #ifdef __BIG_ENDIAN
1235 tmp |= BUF_SWAP_32BIT;
1236 #endif
1237 WREG32(CP_RB0_CNTL, tmp);
1238
1239 /* Initialize the ring buffer's read and write pointers */
1240 WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
1241 ring->wptr = 0;
1242 WREG32(CP_RB0_WPTR, ring->wptr);
1243
1244 /* set the wb address wether it's enabled or not */
1245 WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1246 WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1247 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1248
1249 if (rdev->wb.enabled)
1250 WREG32(SCRATCH_UMSK, 0xff);
1251 else {
1252 tmp |= RB_NO_UPDATE;
1253 WREG32(SCRATCH_UMSK, 0);
1254 }
1255
1256 mdelay(1);
1257 WREG32(CP_RB0_CNTL, tmp);
1258
1259 WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
1260
1261 ring->rptr = RREG32(CP_RB0_RPTR);
1262
1263 /* ring1 - compute only */
1264 /* Set ring buffer size */
1265 ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
1266 rb_bufsz = drm_order(ring->ring_size / 8);
1267 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1268 #ifdef __BIG_ENDIAN
1269 tmp |= BUF_SWAP_32BIT;
1270 #endif
1271 WREG32(CP_RB1_CNTL, tmp);
1272
1273 /* Initialize the ring buffer's read and write pointers */
1274 WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
1275 ring->wptr = 0;
1276 WREG32(CP_RB1_WPTR, ring->wptr);
1277
1278 /* set the wb address wether it's enabled or not */
1279 WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
1280 WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
1281
1282 mdelay(1);
1283 WREG32(CP_RB1_CNTL, tmp);
1284
1285 WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
1286
1287 ring->rptr = RREG32(CP_RB1_RPTR);
1288
1289 /* ring2 - compute only */
1290 /* Set ring buffer size */
1291 ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
1292 rb_bufsz = drm_order(ring->ring_size / 8);
1293 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1294 #ifdef __BIG_ENDIAN
1295 tmp |= BUF_SWAP_32BIT;
1296 #endif
1297 WREG32(CP_RB2_CNTL, tmp);
1298
1299 /* Initialize the ring buffer's read and write pointers */
1300 WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
1301 ring->wptr = 0;
1302 WREG32(CP_RB2_WPTR, ring->wptr);
1303
1304 /* set the wb address wether it's enabled or not */
1305 WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
1306 WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
1307
1308 mdelay(1);
1309 WREG32(CP_RB2_CNTL, tmp);
1310
1311 WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
1312
1313 ring->rptr = RREG32(CP_RB2_RPTR);
1314
1315 /* start the rings */
1316 cayman_cp_start(rdev);
1317 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1318 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1319 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1320 /* this only test cp0 */
1321 r = radeon_ring_test(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1322 if (r) {
1323 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1324 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1325 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1326 return r;
1327 }
1328
1329 return 0;
1330 }
1331
1332 bool cayman_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1333 {
1334 u32 srbm_status;
1335 u32 grbm_status;
1336 u32 grbm_status_se0, grbm_status_se1;
1337 struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup;
1338 int r;
1339
1340 srbm_status = RREG32(SRBM_STATUS);
1341 grbm_status = RREG32(GRBM_STATUS);
1342 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
1343 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
1344 if (!(grbm_status & GUI_ACTIVE)) {
1345 r100_gpu_lockup_update(lockup, ring);
1346 return false;
1347 }
1348 /* force CP activities */
1349 r = radeon_ring_lock(rdev, ring, 2);
1350 if (!r) {
1351 /* PACKET2 NOP */
1352 radeon_ring_write(ring, 0x80000000);
1353 radeon_ring_write(ring, 0x80000000);
1354 radeon_ring_unlock_commit(rdev, ring);
1355 }
1356 /* XXX deal with CP0,1,2 */
1357 ring->rptr = RREG32(ring->rptr_reg);
1358 return r100_gpu_cp_is_lockup(rdev, lockup, ring);
1359 }
1360
1361 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1362 {
1363 struct evergreen_mc_save save;
1364 u32 grbm_reset = 0;
1365
1366 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1367 return 0;
1368
1369 dev_info(rdev->dev, "GPU softreset \n");
1370 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1371 RREG32(GRBM_STATUS));
1372 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1373 RREG32(GRBM_STATUS_SE0));
1374 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1375 RREG32(GRBM_STATUS_SE1));
1376 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1377 RREG32(SRBM_STATUS));
1378 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n",
1379 RREG32(0x14F8));
1380 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1381 RREG32(0x14D8));
1382 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1383 RREG32(0x14FC));
1384 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1385 RREG32(0x14DC));
1386
1387 evergreen_mc_stop(rdev, &save);
1388 if (evergreen_mc_wait_for_idle(rdev)) {
1389 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1390 }
1391 /* Disable CP parsing/prefetching */
1392 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1393
1394 /* reset all the gfx blocks */
1395 grbm_reset = (SOFT_RESET_CP |
1396 SOFT_RESET_CB |
1397 SOFT_RESET_DB |
1398 SOFT_RESET_GDS |
1399 SOFT_RESET_PA |
1400 SOFT_RESET_SC |
1401 SOFT_RESET_SPI |
1402 SOFT_RESET_SH |
1403 SOFT_RESET_SX |
1404 SOFT_RESET_TC |
1405 SOFT_RESET_TA |
1406 SOFT_RESET_VGT |
1407 SOFT_RESET_IA);
1408
1409 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1410 WREG32(GRBM_SOFT_RESET, grbm_reset);
1411 (void)RREG32(GRBM_SOFT_RESET);
1412 udelay(50);
1413 WREG32(GRBM_SOFT_RESET, 0);
1414 (void)RREG32(GRBM_SOFT_RESET);
1415 /* Wait a little for things to settle down */
1416 udelay(50);
1417
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_resume(rdev, &save);
1427 return 0;
1428 }
1429
1430 int cayman_asic_reset(struct radeon_device *rdev)
1431 {
1432 return cayman_gpu_soft_reset(rdev);
1433 }
1434
1435 static int cayman_startup(struct radeon_device *rdev)
1436 {
1437 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1438 int r;
1439
1440 /* enable pcie gen2 link */
1441 evergreen_pcie_gen2_enable(rdev);
1442
1443 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1444 r = ni_init_microcode(rdev);
1445 if (r) {
1446 DRM_ERROR("Failed to load firmware!\n");
1447 return r;
1448 }
1449 }
1450 r = ni_mc_load_microcode(rdev);
1451 if (r) {
1452 DRM_ERROR("Failed to load MC firmware!\n");
1453 return r;
1454 }
1455
1456 r = r600_vram_scratch_init(rdev);
1457 if (r)
1458 return r;
1459
1460 evergreen_mc_program(rdev);
1461 r = cayman_pcie_gart_enable(rdev);
1462 if (r)
1463 return r;
1464 cayman_gpu_init(rdev);
1465
1466 r = evergreen_blit_init(rdev);
1467 if (r) {
1468 r600_blit_fini(rdev);
1469 rdev->asic->copy = NULL;
1470 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1471 }
1472
1473 /* allocate wb buffer */
1474 r = radeon_wb_init(rdev);
1475 if (r)
1476 return r;
1477
1478 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1479 if (r) {
1480 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1481 return r;
1482 }
1483
1484 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
1485 if (r) {
1486 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1487 return r;
1488 }
1489
1490 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
1491 if (r) {
1492 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1493 return r;
1494 }
1495
1496 /* Enable IRQ */
1497 r = r600_irq_init(rdev);
1498 if (r) {
1499 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1500 radeon_irq_kms_fini(rdev);
1501 return r;
1502 }
1503 evergreen_irq_set(rdev);
1504
1505 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1506 CP_RB0_RPTR, CP_RB0_WPTR,
1507 0, 0xfffff, RADEON_CP_PACKET2);
1508 if (r)
1509 return r;
1510 r = cayman_cp_load_microcode(rdev);
1511 if (r)
1512 return r;
1513 r = cayman_cp_resume(rdev);
1514 if (r)
1515 return r;
1516
1517 r = radeon_ib_pool_start(rdev);
1518 if (r)
1519 return r;
1520
1521 r = r600_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX);
1522 if (r) {
1523 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1524 rdev->accel_working = false;
1525 return r;
1526 }
1527
1528 r = radeon_vm_manager_start(rdev);
1529 if (r)
1530 return r;
1531
1532 return 0;
1533 }
1534
1535 int cayman_resume(struct radeon_device *rdev)
1536 {
1537 int r;
1538
1539 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1540 * posting will perform necessary task to bring back GPU into good
1541 * shape.
1542 */
1543 /* post card */
1544 atom_asic_init(rdev->mode_info.atom_context);
1545
1546 rdev->accel_working = true;
1547 r = cayman_startup(rdev);
1548 if (r) {
1549 DRM_ERROR("cayman startup failed on resume\n");
1550 rdev->accel_working = false;
1551 return r;
1552 }
1553 return r;
1554 }
1555
1556 int cayman_suspend(struct radeon_device *rdev)
1557 {
1558 /* FIXME: we should wait for ring to be empty */
1559 radeon_ib_pool_suspend(rdev);
1560 radeon_vm_manager_suspend(rdev);
1561 r600_blit_suspend(rdev);
1562 cayman_cp_enable(rdev, false);
1563 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1564 evergreen_irq_suspend(rdev);
1565 radeon_wb_disable(rdev);
1566 cayman_pcie_gart_disable(rdev);
1567 return 0;
1568 }
1569
1570 /* Plan is to move initialization in that function and use
1571 * helper function so that radeon_device_init pretty much
1572 * do nothing more than calling asic specific function. This
1573 * should also allow to remove a bunch of callback function
1574 * like vram_info.
1575 */
1576 int cayman_init(struct radeon_device *rdev)
1577 {
1578 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1579 int r;
1580
1581 /* This don't do much */
1582 r = radeon_gem_init(rdev);
1583 if (r)
1584 return r;
1585 /* Read BIOS */
1586 if (!radeon_get_bios(rdev)) {
1587 if (ASIC_IS_AVIVO(rdev))
1588 return -EINVAL;
1589 }
1590 /* Must be an ATOMBIOS */
1591 if (!rdev->is_atom_bios) {
1592 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1593 return -EINVAL;
1594 }
1595 r = radeon_atombios_init(rdev);
1596 if (r)
1597 return r;
1598
1599 /* Post card if necessary */
1600 if (!radeon_card_posted(rdev)) {
1601 if (!rdev->bios) {
1602 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1603 return -EINVAL;
1604 }
1605 DRM_INFO("GPU not posted. posting now...\n");
1606 atom_asic_init(rdev->mode_info.atom_context);
1607 }
1608 /* Initialize scratch registers */
1609 r600_scratch_init(rdev);
1610 /* Initialize surface registers */
1611 radeon_surface_init(rdev);
1612 /* Initialize clocks */
1613 radeon_get_clock_info(rdev->ddev);
1614 /* Fence driver */
1615 r = radeon_fence_driver_init(rdev);
1616 if (r)
1617 return r;
1618 /* initialize memory controller */
1619 r = evergreen_mc_init(rdev);
1620 if (r)
1621 return r;
1622 /* Memory manager */
1623 r = radeon_bo_init(rdev);
1624 if (r)
1625 return r;
1626
1627 r = radeon_irq_kms_init(rdev);
1628 if (r)
1629 return r;
1630
1631 ring->ring_obj = NULL;
1632 r600_ring_init(rdev, ring, 1024 * 1024);
1633
1634 rdev->ih.ring_obj = NULL;
1635 r600_ih_ring_init(rdev, 64 * 1024);
1636
1637 r = r600_pcie_gart_init(rdev);
1638 if (r)
1639 return r;
1640
1641 r = radeon_ib_pool_init(rdev);
1642 rdev->accel_working = true;
1643 if (r) {
1644 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1645 rdev->accel_working = false;
1646 }
1647 r = radeon_vm_manager_init(rdev);
1648 if (r) {
1649 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
1650 }
1651
1652 r = cayman_startup(rdev);
1653 if (r) {
1654 dev_err(rdev->dev, "disabling GPU acceleration\n");
1655 cayman_cp_fini(rdev);
1656 r600_irq_fini(rdev);
1657 radeon_wb_fini(rdev);
1658 r100_ib_fini(rdev);
1659 radeon_vm_manager_fini(rdev);
1660 radeon_irq_kms_fini(rdev);
1661 cayman_pcie_gart_fini(rdev);
1662 rdev->accel_working = false;
1663 }
1664
1665 /* Don't start up if the MC ucode is missing.
1666 * The default clocks and voltages before the MC ucode
1667 * is loaded are not suffient for advanced operations.
1668 */
1669 if (!rdev->mc_fw) {
1670 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1671 return -EINVAL;
1672 }
1673
1674 return 0;
1675 }
1676
1677 void cayman_fini(struct radeon_device *rdev)
1678 {
1679 r600_blit_fini(rdev);
1680 cayman_cp_fini(rdev);
1681 r600_irq_fini(rdev);
1682 radeon_wb_fini(rdev);
1683 radeon_vm_manager_fini(rdev);
1684 r100_ib_fini(rdev);
1685 radeon_irq_kms_fini(rdev);
1686 cayman_pcie_gart_fini(rdev);
1687 r600_vram_scratch_fini(rdev);
1688 radeon_gem_fini(rdev);
1689 radeon_semaphore_driver_fini(rdev);
1690 radeon_fence_driver_fini(rdev);
1691 radeon_bo_fini(rdev);
1692 radeon_atombios_fini(rdev);
1693 kfree(rdev->bios);
1694 rdev->bios = NULL;
1695 }
1696
1697 /*
1698 * vm
1699 */
1700 int cayman_vm_init(struct radeon_device *rdev)
1701 {
1702 /* number of VMs */
1703 rdev->vm_manager.nvm = 8;
1704 /* base offset of vram pages */
1705 rdev->vm_manager.vram_base_offset = 0;
1706 return 0;
1707 }
1708
1709 void cayman_vm_fini(struct radeon_device *rdev)
1710 {
1711 }
1712
1713 int cayman_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id)
1714 {
1715 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (id << 2), 0);
1716 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (id << 2), vm->last_pfn);
1717 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (id << 2), vm->pt_gpu_addr >> 12);
1718 /* flush hdp cache */
1719 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1720 /* bits 0-7 are the VM contexts0-7 */
1721 WREG32(VM_INVALIDATE_REQUEST, 1 << id);
1722 return 0;
1723 }
1724
1725 void cayman_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm)
1726 {
1727 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0);
1728 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0);
1729 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0);
1730 /* flush hdp cache */
1731 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1732 /* bits 0-7 are the VM contexts0-7 */
1733 WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1734 }
1735
1736 void cayman_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm)
1737 {
1738 if (vm->id == -1)
1739 return;
1740
1741 /* flush hdp cache */
1742 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1743 /* bits 0-7 are the VM contexts0-7 */
1744 WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1745 }
1746
1747 #define R600_PTE_VALID (1 << 0)
1748 #define R600_PTE_SYSTEM (1 << 1)
1749 #define R600_PTE_SNOOPED (1 << 2)
1750 #define R600_PTE_READABLE (1 << 5)
1751 #define R600_PTE_WRITEABLE (1 << 6)
1752
1753 uint32_t cayman_vm_page_flags(struct radeon_device *rdev,
1754 struct radeon_vm *vm,
1755 uint32_t flags)
1756 {
1757 uint32_t r600_flags = 0;
1758
1759 r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0;
1760 r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
1761 r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
1762 if (flags & RADEON_VM_PAGE_SYSTEM) {
1763 r600_flags |= R600_PTE_SYSTEM;
1764 r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
1765 }
1766 return r600_flags;
1767 }
1768
1769 void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm,
1770 unsigned pfn, uint64_t addr, uint32_t flags)
1771 {
1772 void __iomem *ptr = (void *)vm->pt;
1773
1774 addr = addr & 0xFFFFFFFFFFFFF000ULL;
1775 addr |= flags;
1776 writeq(addr, ptr + (pfn * 8));
1777 }