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drm/radeon/kms: fix incorrect comparison in cayman setup code.
[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / radeon / ni.c
1 /*
2 * Copyright 2010 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Alex Deucher
23 */
24 #include <linux/firmware.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
27 #include "drmP.h"
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include "radeon_drm.h"
31 #include "nid.h"
32 #include "atom.h"
33 #include "ni_reg.h"
34 #include "cayman_blit_shaders.h"
35
36 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
37 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
38 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
39 extern void evergreen_mc_program(struct radeon_device *rdev);
40 extern void evergreen_irq_suspend(struct radeon_device *rdev);
41 extern int evergreen_mc_init(struct radeon_device *rdev);
42
43 #define EVERGREEN_PFP_UCODE_SIZE 1120
44 #define EVERGREEN_PM4_UCODE_SIZE 1376
45 #define EVERGREEN_RLC_UCODE_SIZE 768
46 #define BTC_MC_UCODE_SIZE 6024
47
48 #define CAYMAN_PFP_UCODE_SIZE 2176
49 #define CAYMAN_PM4_UCODE_SIZE 2176
50 #define CAYMAN_RLC_UCODE_SIZE 1024
51 #define CAYMAN_MC_UCODE_SIZE 6037
52
53 /* Firmware Names */
54 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
55 MODULE_FIRMWARE("radeon/BARTS_me.bin");
56 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
57 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
58 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
59 MODULE_FIRMWARE("radeon/TURKS_me.bin");
60 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
61 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
62 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
63 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
64 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
65 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
66 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
67 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
68
69 #define BTC_IO_MC_REGS_SIZE 29
70
71 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
72 {0x00000077, 0xff010100},
73 {0x00000078, 0x00000000},
74 {0x00000079, 0x00001434},
75 {0x0000007a, 0xcc08ec08},
76 {0x0000007b, 0x00040000},
77 {0x0000007c, 0x000080c0},
78 {0x0000007d, 0x09000000},
79 {0x0000007e, 0x00210404},
80 {0x00000081, 0x08a8e800},
81 {0x00000082, 0x00030444},
82 {0x00000083, 0x00000000},
83 {0x00000085, 0x00000001},
84 {0x00000086, 0x00000002},
85 {0x00000087, 0x48490000},
86 {0x00000088, 0x20244647},
87 {0x00000089, 0x00000005},
88 {0x0000008b, 0x66030000},
89 {0x0000008c, 0x00006603},
90 {0x0000008d, 0x00000100},
91 {0x0000008f, 0x00001c0a},
92 {0x00000090, 0xff000001},
93 {0x00000094, 0x00101101},
94 {0x00000095, 0x00000fff},
95 {0x00000096, 0x00116fff},
96 {0x00000097, 0x60010000},
97 {0x00000098, 0x10010000},
98 {0x00000099, 0x00006000},
99 {0x0000009a, 0x00001000},
100 {0x0000009f, 0x00946a00}
101 };
102
103 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
104 {0x00000077, 0xff010100},
105 {0x00000078, 0x00000000},
106 {0x00000079, 0x00001434},
107 {0x0000007a, 0xcc08ec08},
108 {0x0000007b, 0x00040000},
109 {0x0000007c, 0x000080c0},
110 {0x0000007d, 0x09000000},
111 {0x0000007e, 0x00210404},
112 {0x00000081, 0x08a8e800},
113 {0x00000082, 0x00030444},
114 {0x00000083, 0x00000000},
115 {0x00000085, 0x00000001},
116 {0x00000086, 0x00000002},
117 {0x00000087, 0x48490000},
118 {0x00000088, 0x20244647},
119 {0x00000089, 0x00000005},
120 {0x0000008b, 0x66030000},
121 {0x0000008c, 0x00006603},
122 {0x0000008d, 0x00000100},
123 {0x0000008f, 0x00001c0a},
124 {0x00000090, 0xff000001},
125 {0x00000094, 0x00101101},
126 {0x00000095, 0x00000fff},
127 {0x00000096, 0x00116fff},
128 {0x00000097, 0x60010000},
129 {0x00000098, 0x10010000},
130 {0x00000099, 0x00006000},
131 {0x0000009a, 0x00001000},
132 {0x0000009f, 0x00936a00}
133 };
134
135 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
136 {0x00000077, 0xff010100},
137 {0x00000078, 0x00000000},
138 {0x00000079, 0x00001434},
139 {0x0000007a, 0xcc08ec08},
140 {0x0000007b, 0x00040000},
141 {0x0000007c, 0x000080c0},
142 {0x0000007d, 0x09000000},
143 {0x0000007e, 0x00210404},
144 {0x00000081, 0x08a8e800},
145 {0x00000082, 0x00030444},
146 {0x00000083, 0x00000000},
147 {0x00000085, 0x00000001},
148 {0x00000086, 0x00000002},
149 {0x00000087, 0x48490000},
150 {0x00000088, 0x20244647},
151 {0x00000089, 0x00000005},
152 {0x0000008b, 0x66030000},
153 {0x0000008c, 0x00006603},
154 {0x0000008d, 0x00000100},
155 {0x0000008f, 0x00001c0a},
156 {0x00000090, 0xff000001},
157 {0x00000094, 0x00101101},
158 {0x00000095, 0x00000fff},
159 {0x00000096, 0x00116fff},
160 {0x00000097, 0x60010000},
161 {0x00000098, 0x10010000},
162 {0x00000099, 0x00006000},
163 {0x0000009a, 0x00001000},
164 {0x0000009f, 0x00916a00}
165 };
166
167 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
168 {0x00000077, 0xff010100},
169 {0x00000078, 0x00000000},
170 {0x00000079, 0x00001434},
171 {0x0000007a, 0xcc08ec08},
172 {0x0000007b, 0x00040000},
173 {0x0000007c, 0x000080c0},
174 {0x0000007d, 0x09000000},
175 {0x0000007e, 0x00210404},
176 {0x00000081, 0x08a8e800},
177 {0x00000082, 0x00030444},
178 {0x00000083, 0x00000000},
179 {0x00000085, 0x00000001},
180 {0x00000086, 0x00000002},
181 {0x00000087, 0x48490000},
182 {0x00000088, 0x20244647},
183 {0x00000089, 0x00000005},
184 {0x0000008b, 0x66030000},
185 {0x0000008c, 0x00006603},
186 {0x0000008d, 0x00000100},
187 {0x0000008f, 0x00001c0a},
188 {0x00000090, 0xff000001},
189 {0x00000094, 0x00101101},
190 {0x00000095, 0x00000fff},
191 {0x00000096, 0x00116fff},
192 {0x00000097, 0x60010000},
193 {0x00000098, 0x10010000},
194 {0x00000099, 0x00006000},
195 {0x0000009a, 0x00001000},
196 {0x0000009f, 0x00976b00}
197 };
198
199 int ni_mc_load_microcode(struct radeon_device *rdev)
200 {
201 const __be32 *fw_data;
202 u32 mem_type, running, blackout = 0;
203 u32 *io_mc_regs;
204 int i, ucode_size, regs_size;
205
206 if (!rdev->mc_fw)
207 return -EINVAL;
208
209 switch (rdev->family) {
210 case CHIP_BARTS:
211 io_mc_regs = (u32 *)&barts_io_mc_regs;
212 ucode_size = BTC_MC_UCODE_SIZE;
213 regs_size = BTC_IO_MC_REGS_SIZE;
214 break;
215 case CHIP_TURKS:
216 io_mc_regs = (u32 *)&turks_io_mc_regs;
217 ucode_size = BTC_MC_UCODE_SIZE;
218 regs_size = BTC_IO_MC_REGS_SIZE;
219 break;
220 case CHIP_CAICOS:
221 default:
222 io_mc_regs = (u32 *)&caicos_io_mc_regs;
223 ucode_size = BTC_MC_UCODE_SIZE;
224 regs_size = BTC_IO_MC_REGS_SIZE;
225 break;
226 case CHIP_CAYMAN:
227 io_mc_regs = (u32 *)&cayman_io_mc_regs;
228 ucode_size = CAYMAN_MC_UCODE_SIZE;
229 regs_size = BTC_IO_MC_REGS_SIZE;
230 break;
231 }
232
233 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
234 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
235
236 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
237 if (running) {
238 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
239 WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
240 }
241
242 /* reset the engine and set to writable */
243 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
244 WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
245
246 /* load mc io regs */
247 for (i = 0; i < regs_size; i++) {
248 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
249 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
250 }
251 /* load the MC ucode */
252 fw_data = (const __be32 *)rdev->mc_fw->data;
253 for (i = 0; i < ucode_size; i++)
254 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
255
256 /* put the engine back into the active state */
257 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
258 WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
259 WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
260
261 /* wait for training to complete */
262 while (!(RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD))
263 udelay(10);
264
265 if (running)
266 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
267 }
268
269 return 0;
270 }
271
272 int ni_init_microcode(struct radeon_device *rdev)
273 {
274 struct platform_device *pdev;
275 const char *chip_name;
276 const char *rlc_chip_name;
277 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
278 char fw_name[30];
279 int err;
280
281 DRM_DEBUG("\n");
282
283 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
284 err = IS_ERR(pdev);
285 if (err) {
286 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
287 return -EINVAL;
288 }
289
290 switch (rdev->family) {
291 case CHIP_BARTS:
292 chip_name = "BARTS";
293 rlc_chip_name = "BTC";
294 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
295 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
296 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
297 mc_req_size = BTC_MC_UCODE_SIZE * 4;
298 break;
299 case CHIP_TURKS:
300 chip_name = "TURKS";
301 rlc_chip_name = "BTC";
302 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
303 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
304 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
305 mc_req_size = BTC_MC_UCODE_SIZE * 4;
306 break;
307 case CHIP_CAICOS:
308 chip_name = "CAICOS";
309 rlc_chip_name = "BTC";
310 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
311 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
312 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
313 mc_req_size = BTC_MC_UCODE_SIZE * 4;
314 break;
315 case CHIP_CAYMAN:
316 chip_name = "CAYMAN";
317 rlc_chip_name = "CAYMAN";
318 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
319 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
320 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
321 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
322 break;
323 default: BUG();
324 }
325
326 DRM_INFO("Loading %s Microcode\n", chip_name);
327
328 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
329 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
330 if (err)
331 goto out;
332 if (rdev->pfp_fw->size != pfp_req_size) {
333 printk(KERN_ERR
334 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
335 rdev->pfp_fw->size, fw_name);
336 err = -EINVAL;
337 goto out;
338 }
339
340 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
341 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
342 if (err)
343 goto out;
344 if (rdev->me_fw->size != me_req_size) {
345 printk(KERN_ERR
346 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
347 rdev->me_fw->size, fw_name);
348 err = -EINVAL;
349 }
350
351 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
352 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
353 if (err)
354 goto out;
355 if (rdev->rlc_fw->size != rlc_req_size) {
356 printk(KERN_ERR
357 "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
358 rdev->rlc_fw->size, fw_name);
359 err = -EINVAL;
360 }
361
362 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
363 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
364 if (err)
365 goto out;
366 if (rdev->mc_fw->size != mc_req_size) {
367 printk(KERN_ERR
368 "ni_mc: Bogus length %zu in firmware \"%s\"\n",
369 rdev->mc_fw->size, fw_name);
370 err = -EINVAL;
371 }
372 out:
373 platform_device_unregister(pdev);
374
375 if (err) {
376 if (err != -EINVAL)
377 printk(KERN_ERR
378 "ni_cp: Failed to load firmware \"%s\"\n",
379 fw_name);
380 release_firmware(rdev->pfp_fw);
381 rdev->pfp_fw = NULL;
382 release_firmware(rdev->me_fw);
383 rdev->me_fw = NULL;
384 release_firmware(rdev->rlc_fw);
385 rdev->rlc_fw = NULL;
386 release_firmware(rdev->mc_fw);
387 rdev->mc_fw = NULL;
388 }
389 return err;
390 }
391
392 /*
393 * Core functions
394 */
395 static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
396 u32 num_tile_pipes,
397 u32 num_backends_per_asic,
398 u32 *backend_disable_mask_per_asic,
399 u32 num_shader_engines)
400 {
401 u32 backend_map = 0;
402 u32 enabled_backends_mask = 0;
403 u32 enabled_backends_count = 0;
404 u32 num_backends_per_se;
405 u32 cur_pipe;
406 u32 swizzle_pipe[CAYMAN_MAX_PIPES];
407 u32 cur_backend = 0;
408 u32 i;
409 bool force_no_swizzle;
410
411 /* force legal values */
412 if (num_tile_pipes < 1)
413 num_tile_pipes = 1;
414 if (num_tile_pipes > rdev->config.cayman.max_tile_pipes)
415 num_tile_pipes = rdev->config.cayman.max_tile_pipes;
416 if (num_shader_engines < 1)
417 num_shader_engines = 1;
418 if (num_shader_engines > rdev->config.cayman.max_shader_engines)
419 num_shader_engines = rdev->config.cayman.max_shader_engines;
420 if (num_backends_per_asic < num_shader_engines)
421 num_backends_per_asic = num_shader_engines;
422 if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
423 num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;
424
425 /* make sure we have the same number of backends per se */
426 num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines);
427 /* set up the number of backends per se */
428 num_backends_per_se = num_backends_per_asic / num_shader_engines;
429 if (num_backends_per_se > rdev->config.cayman.max_backends_per_se) {
430 num_backends_per_se = rdev->config.cayman.max_backends_per_se;
431 num_backends_per_asic = num_backends_per_se * num_shader_engines;
432 }
433
434 /* create enable mask and count for enabled backends */
435 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
436 if (((*backend_disable_mask_per_asic >> i) & 1) == 0) {
437 enabled_backends_mask |= (1 << i);
438 ++enabled_backends_count;
439 }
440 if (enabled_backends_count == num_backends_per_asic)
441 break;
442 }
443
444 /* force the backends mask to match the current number of backends */
445 if (enabled_backends_count != num_backends_per_asic) {
446 u32 this_backend_enabled;
447 u32 shader_engine;
448 u32 backend_per_se;
449
450 enabled_backends_mask = 0;
451 enabled_backends_count = 0;
452 *backend_disable_mask_per_asic = CAYMAN_MAX_BACKENDS_MASK;
453 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
454 /* calc the current se */
455 shader_engine = i / rdev->config.cayman.max_backends_per_se;
456 /* calc the backend per se */
457 backend_per_se = i % rdev->config.cayman.max_backends_per_se;
458 /* default to not enabled */
459 this_backend_enabled = 0;
460 if ((shader_engine < num_shader_engines) &&
461 (backend_per_se < num_backends_per_se))
462 this_backend_enabled = 1;
463 if (this_backend_enabled) {
464 enabled_backends_mask |= (1 << i);
465 *backend_disable_mask_per_asic &= ~(1 << i);
466 ++enabled_backends_count;
467 }
468 }
469 }
470
471
472 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * CAYMAN_MAX_PIPES);
473 switch (rdev->family) {
474 case CHIP_CAYMAN:
475 force_no_swizzle = true;
476 break;
477 default:
478 force_no_swizzle = false;
479 break;
480 }
481 if (force_no_swizzle) {
482 bool last_backend_enabled = false;
483
484 force_no_swizzle = false;
485 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
486 if (((enabled_backends_mask >> i) & 1) == 1) {
487 if (last_backend_enabled)
488 force_no_swizzle = true;
489 last_backend_enabled = true;
490 } else
491 last_backend_enabled = false;
492 }
493 }
494
495 switch (num_tile_pipes) {
496 case 1:
497 case 3:
498 case 5:
499 case 7:
500 DRM_ERROR("odd number of pipes!\n");
501 break;
502 case 2:
503 swizzle_pipe[0] = 0;
504 swizzle_pipe[1] = 1;
505 break;
506 case 4:
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 } else {
513 swizzle_pipe[0] = 0;
514 swizzle_pipe[1] = 2;
515 swizzle_pipe[2] = 1;
516 swizzle_pipe[3] = 3;
517 }
518 break;
519 case 6:
520 if (force_no_swizzle) {
521 swizzle_pipe[0] = 0;
522 swizzle_pipe[1] = 1;
523 swizzle_pipe[2] = 2;
524 swizzle_pipe[3] = 3;
525 swizzle_pipe[4] = 4;
526 swizzle_pipe[5] = 5;
527 } else {
528 swizzle_pipe[0] = 0;
529 swizzle_pipe[1] = 2;
530 swizzle_pipe[2] = 4;
531 swizzle_pipe[3] = 1;
532 swizzle_pipe[4] = 3;
533 swizzle_pipe[5] = 5;
534 }
535 break;
536 case 8:
537 if (force_no_swizzle) {
538 swizzle_pipe[0] = 0;
539 swizzle_pipe[1] = 1;
540 swizzle_pipe[2] = 2;
541 swizzle_pipe[3] = 3;
542 swizzle_pipe[4] = 4;
543 swizzle_pipe[5] = 5;
544 swizzle_pipe[6] = 6;
545 swizzle_pipe[7] = 7;
546 } else {
547 swizzle_pipe[0] = 0;
548 swizzle_pipe[1] = 2;
549 swizzle_pipe[2] = 4;
550 swizzle_pipe[3] = 6;
551 swizzle_pipe[4] = 1;
552 swizzle_pipe[5] = 3;
553 swizzle_pipe[6] = 5;
554 swizzle_pipe[7] = 7;
555 }
556 break;
557 }
558
559 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
560 while (((1 << cur_backend) & enabled_backends_mask) == 0)
561 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
562
563 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
564
565 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
566 }
567
568 return backend_map;
569 }
570
571 static void cayman_program_channel_remap(struct radeon_device *rdev)
572 {
573 u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
574
575 tmp = RREG32(MC_SHARED_CHMAP);
576 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
577 case 0:
578 case 1:
579 case 2:
580 case 3:
581 default:
582 /* default mapping */
583 mc_shared_chremap = 0x00fac688;
584 break;
585 }
586
587 switch (rdev->family) {
588 case CHIP_CAYMAN:
589 default:
590 //tcp_chan_steer_lo = 0x54763210
591 tcp_chan_steer_lo = 0x76543210;
592 tcp_chan_steer_hi = 0x0000ba98;
593 break;
594 }
595
596 WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
597 WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
598 WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
599 }
600
601 static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
602 u32 disable_mask_per_se,
603 u32 max_disable_mask_per_se,
604 u32 num_shader_engines)
605 {
606 u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se);
607 u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se;
608
609 if (num_shader_engines == 1)
610 return disable_mask_per_asic;
611 else if (num_shader_engines == 2)
612 return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se);
613 else
614 return 0xffffffff;
615 }
616
617 static void cayman_gpu_init(struct radeon_device *rdev)
618 {
619 u32 cc_rb_backend_disable = 0;
620 u32 cc_gc_shader_pipe_config;
621 u32 gb_addr_config = 0;
622 u32 mc_shared_chmap, mc_arb_ramcfg;
623 u32 gb_backend_map;
624 u32 cgts_tcc_disable;
625 u32 sx_debug_1;
626 u32 smx_dc_ctl0;
627 u32 gc_user_shader_pipe_config;
628 u32 gc_user_rb_backend_disable;
629 u32 cgts_user_tcc_disable;
630 u32 cgts_sm_ctrl_reg;
631 u32 hdp_host_path_cntl;
632 u32 tmp;
633 int i, j;
634
635 switch (rdev->family) {
636 case CHIP_CAYMAN:
637 default:
638 rdev->config.cayman.max_shader_engines = 2;
639 rdev->config.cayman.max_pipes_per_simd = 4;
640 rdev->config.cayman.max_tile_pipes = 8;
641 rdev->config.cayman.max_simds_per_se = 12;
642 rdev->config.cayman.max_backends_per_se = 4;
643 rdev->config.cayman.max_texture_channel_caches = 8;
644 rdev->config.cayman.max_gprs = 256;
645 rdev->config.cayman.max_threads = 256;
646 rdev->config.cayman.max_gs_threads = 32;
647 rdev->config.cayman.max_stack_entries = 512;
648 rdev->config.cayman.sx_num_of_sets = 8;
649 rdev->config.cayman.sx_max_export_size = 256;
650 rdev->config.cayman.sx_max_export_pos_size = 64;
651 rdev->config.cayman.sx_max_export_smx_size = 192;
652 rdev->config.cayman.max_hw_contexts = 8;
653 rdev->config.cayman.sq_num_cf_insts = 2;
654
655 rdev->config.cayman.sc_prim_fifo_size = 0x100;
656 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
657 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
658 break;
659 }
660
661 /* Initialize HDP */
662 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
663 WREG32((0x2c14 + j), 0x00000000);
664 WREG32((0x2c18 + j), 0x00000000);
665 WREG32((0x2c1c + j), 0x00000000);
666 WREG32((0x2c20 + j), 0x00000000);
667 WREG32((0x2c24 + j), 0x00000000);
668 }
669
670 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
671
672 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
673 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
674
675 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE);
676 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
677 cgts_tcc_disable = RREG32(CGTS_TCC_DISABLE);
678 gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE);
679 gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG);
680 cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE);
681
682 rdev->config.cayman.num_shader_engines = rdev->config.cayman.max_shader_engines;
683 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
684 rdev->config.cayman.num_shader_pipes_per_simd = r600_count_pipe_bits(tmp);
685 rdev->config.cayman.num_tile_pipes = rdev->config.cayman.max_tile_pipes;
686 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_SIMDS_MASK) >> INACTIVE_SIMDS_SHIFT;
687 rdev->config.cayman.num_simds_per_se = r600_count_pipe_bits(tmp);
688 tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
689 rdev->config.cayman.num_backends_per_se = r600_count_pipe_bits(tmp);
690 tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
691 rdev->config.cayman.backend_disable_mask_per_asic =
692 cayman_get_disable_mask_per_asic(rdev, tmp, CAYMAN_MAX_BACKENDS_PER_SE_MASK,
693 rdev->config.cayman.num_shader_engines);
694 rdev->config.cayman.backend_map =
695 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
696 rdev->config.cayman.num_backends_per_se *
697 rdev->config.cayman.num_shader_engines,
698 &rdev->config.cayman.backend_disable_mask_per_asic,
699 rdev->config.cayman.num_shader_engines);
700 tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT;
701 rdev->config.cayman.num_texture_channel_caches = r600_count_pipe_bits(tmp);
702 tmp = (mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT;
703 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
704 if (rdev->config.cayman.mem_max_burst_length_bytes > 512)
705 rdev->config.cayman.mem_max_burst_length_bytes = 512;
706 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
707 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
708 if (rdev->config.cayman.mem_row_size_in_kb > 4)
709 rdev->config.cayman.mem_row_size_in_kb = 4;
710 /* XXX use MC settings? */
711 rdev->config.cayman.shader_engine_tile_size = 32;
712 rdev->config.cayman.num_gpus = 1;
713 rdev->config.cayman.multi_gpu_tile_size = 64;
714
715 //gb_addr_config = 0x02011003
716 #if 0
717 gb_addr_config = RREG32(GB_ADDR_CONFIG);
718 #else
719 gb_addr_config = 0;
720 switch (rdev->config.cayman.num_tile_pipes) {
721 case 1:
722 default:
723 gb_addr_config |= NUM_PIPES(0);
724 break;
725 case 2:
726 gb_addr_config |= NUM_PIPES(1);
727 break;
728 case 4:
729 gb_addr_config |= NUM_PIPES(2);
730 break;
731 case 8:
732 gb_addr_config |= NUM_PIPES(3);
733 break;
734 }
735
736 tmp = (rdev->config.cayman.mem_max_burst_length_bytes / 256) - 1;
737 gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp);
738 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.cayman.num_shader_engines - 1);
739 tmp = (rdev->config.cayman.shader_engine_tile_size / 16) - 1;
740 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp);
741 switch (rdev->config.cayman.num_gpus) {
742 case 1:
743 default:
744 gb_addr_config |= NUM_GPUS(0);
745 break;
746 case 2:
747 gb_addr_config |= NUM_GPUS(1);
748 break;
749 case 4:
750 gb_addr_config |= NUM_GPUS(2);
751 break;
752 }
753 switch (rdev->config.cayman.multi_gpu_tile_size) {
754 case 16:
755 gb_addr_config |= MULTI_GPU_TILE_SIZE(0);
756 break;
757 case 32:
758 default:
759 gb_addr_config |= MULTI_GPU_TILE_SIZE(1);
760 break;
761 case 64:
762 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
763 break;
764 case 128:
765 gb_addr_config |= MULTI_GPU_TILE_SIZE(3);
766 break;
767 }
768 switch (rdev->config.cayman.mem_row_size_in_kb) {
769 case 1:
770 default:
771 gb_addr_config |= ROW_SIZE(0);
772 break;
773 case 2:
774 gb_addr_config |= ROW_SIZE(1);
775 break;
776 case 4:
777 gb_addr_config |= ROW_SIZE(2);
778 break;
779 }
780 #endif
781
782 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
783 rdev->config.cayman.num_tile_pipes = (1 << tmp);
784 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
785 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
786 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
787 rdev->config.cayman.num_shader_engines = tmp + 1;
788 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
789 rdev->config.cayman.num_gpus = tmp + 1;
790 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
791 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
792 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
793 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
794
795 //gb_backend_map = 0x76541032;
796 #if 0
797 gb_backend_map = RREG32(GB_BACKEND_MAP);
798 #else
799 gb_backend_map =
800 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
801 rdev->config.cayman.num_backends_per_se *
802 rdev->config.cayman.num_shader_engines,
803 &rdev->config.cayman.backend_disable_mask_per_asic,
804 rdev->config.cayman.num_shader_engines);
805 #endif
806 /* setup tiling info dword. gb_addr_config is not adequate since it does
807 * not have bank info, so create a custom tiling dword.
808 * bits 3:0 num_pipes
809 * bits 7:4 num_banks
810 * bits 11:8 group_size
811 * bits 15:12 row_size
812 */
813 rdev->config.cayman.tile_config = 0;
814 switch (rdev->config.cayman.num_tile_pipes) {
815 case 1:
816 default:
817 rdev->config.cayman.tile_config |= (0 << 0);
818 break;
819 case 2:
820 rdev->config.cayman.tile_config |= (1 << 0);
821 break;
822 case 4:
823 rdev->config.cayman.tile_config |= (2 << 0);
824 break;
825 case 8:
826 rdev->config.cayman.tile_config |= (3 << 0);
827 break;
828 }
829 rdev->config.cayman.tile_config |=
830 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
831 rdev->config.cayman.tile_config |=
832 (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
833 rdev->config.cayman.tile_config |=
834 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
835
836 WREG32(GB_BACKEND_MAP, gb_backend_map);
837 WREG32(GB_ADDR_CONFIG, gb_addr_config);
838 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
839 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
840
841 cayman_program_channel_remap(rdev);
842
843 /* primary versions */
844 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
845 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
846 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
847
848 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
849 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
850
851 /* user versions */
852 WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable);
853 WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
854 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
855
856 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
857 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
858
859 /* reprogram the shader complex */
860 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
861 for (i = 0; i < 16; i++)
862 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
863 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
864
865 /* set HW defaults for 3D engine */
866 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
867
868 sx_debug_1 = RREG32(SX_DEBUG_1);
869 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
870 WREG32(SX_DEBUG_1, sx_debug_1);
871
872 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
873 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
874 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
875 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
876
877 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
878
879 /* need to be explicitly zero-ed */
880 WREG32(VGT_OFFCHIP_LDS_BASE, 0);
881 WREG32(SQ_LSTMP_RING_BASE, 0);
882 WREG32(SQ_HSTMP_RING_BASE, 0);
883 WREG32(SQ_ESTMP_RING_BASE, 0);
884 WREG32(SQ_GSTMP_RING_BASE, 0);
885 WREG32(SQ_VSTMP_RING_BASE, 0);
886 WREG32(SQ_PSTMP_RING_BASE, 0);
887
888 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
889
890 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
891 POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
892 SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
893
894 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
895 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
896 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
897
898
899 WREG32(VGT_NUM_INSTANCES, 1);
900
901 WREG32(CP_PERFMON_CNTL, 0);
902
903 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
904 FETCH_FIFO_HIWATER(0x4) |
905 DONE_FIFO_HIWATER(0xe0) |
906 ALU_UPDATE_FIFO_HIWATER(0x8)));
907
908 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
909 WREG32(SQ_CONFIG, (VC_ENABLE |
910 EXPORT_SRC_C |
911 GFX_PRIO(0) |
912 CS1_PRIO(0) |
913 CS2_PRIO(1)));
914 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
915
916 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
917 FORCE_EOV_MAX_REZ_CNT(255)));
918
919 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
920 AUTO_INVLD_EN(ES_AND_GS_AUTO));
921
922 WREG32(VGT_GS_VERTEX_REUSE, 16);
923 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
924
925 WREG32(CB_PERF_CTR0_SEL_0, 0);
926 WREG32(CB_PERF_CTR0_SEL_1, 0);
927 WREG32(CB_PERF_CTR1_SEL_0, 0);
928 WREG32(CB_PERF_CTR1_SEL_1, 0);
929 WREG32(CB_PERF_CTR2_SEL_0, 0);
930 WREG32(CB_PERF_CTR2_SEL_1, 0);
931 WREG32(CB_PERF_CTR3_SEL_0, 0);
932 WREG32(CB_PERF_CTR3_SEL_1, 0);
933
934 tmp = RREG32(HDP_MISC_CNTL);
935 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
936 WREG32(HDP_MISC_CNTL, tmp);
937
938 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
939 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
940
941 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
942
943 udelay(50);
944 }
945
946 /*
947 * GART
948 */
949 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
950 {
951 /* flush hdp cache */
952 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
953
954 /* bits 0-7 are the VM contexts0-7 */
955 WREG32(VM_INVALIDATE_REQUEST, 1);
956 }
957
958 int cayman_pcie_gart_enable(struct radeon_device *rdev)
959 {
960 int r;
961
962 if (rdev->gart.table.vram.robj == NULL) {
963 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
964 return -EINVAL;
965 }
966 r = radeon_gart_table_vram_pin(rdev);
967 if (r)
968 return r;
969 radeon_gart_restore(rdev);
970 /* Setup TLB control */
971 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB |
972 ENABLE_L1_FRAGMENT_PROCESSING |
973 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
974 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
975 /* Setup L2 cache */
976 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
977 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
978 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
979 EFFECTIVE_L2_QUEUE_SIZE(7) |
980 CONTEXT1_IDENTITY_ACCESS_MODE(1));
981 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
982 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
983 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
984 /* setup context0 */
985 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
986 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
987 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
988 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
989 (u32)(rdev->dummy_page.addr >> 12));
990 WREG32(VM_CONTEXT0_CNTL2, 0);
991 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
992 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
993 /* disable context1-7 */
994 WREG32(VM_CONTEXT1_CNTL2, 0);
995 WREG32(VM_CONTEXT1_CNTL, 0);
996
997 cayman_pcie_gart_tlb_flush(rdev);
998 rdev->gart.ready = true;
999 return 0;
1000 }
1001
1002 void cayman_pcie_gart_disable(struct radeon_device *rdev)
1003 {
1004 int r;
1005
1006 /* Disable all tables */
1007 WREG32(VM_CONTEXT0_CNTL, 0);
1008 WREG32(VM_CONTEXT1_CNTL, 0);
1009 /* Setup TLB control */
1010 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1011 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1012 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1013 /* Setup L2 cache */
1014 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1015 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1016 EFFECTIVE_L2_QUEUE_SIZE(7) |
1017 CONTEXT1_IDENTITY_ACCESS_MODE(1));
1018 WREG32(VM_L2_CNTL2, 0);
1019 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1020 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1021 if (rdev->gart.table.vram.robj) {
1022 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
1023 if (likely(r == 0)) {
1024 radeon_bo_kunmap(rdev->gart.table.vram.robj);
1025 radeon_bo_unpin(rdev->gart.table.vram.robj);
1026 radeon_bo_unreserve(rdev->gart.table.vram.robj);
1027 }
1028 }
1029 }
1030
1031 void cayman_pcie_gart_fini(struct radeon_device *rdev)
1032 {
1033 cayman_pcie_gart_disable(rdev);
1034 radeon_gart_table_vram_free(rdev);
1035 radeon_gart_fini(rdev);
1036 }
1037
1038 /*
1039 * CP.
1040 */
1041 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1042 {
1043 if (enable)
1044 WREG32(CP_ME_CNTL, 0);
1045 else {
1046 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1047 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1048 WREG32(SCRATCH_UMSK, 0);
1049 }
1050 }
1051
1052 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1053 {
1054 const __be32 *fw_data;
1055 int i;
1056
1057 if (!rdev->me_fw || !rdev->pfp_fw)
1058 return -EINVAL;
1059
1060 cayman_cp_enable(rdev, false);
1061
1062 fw_data = (const __be32 *)rdev->pfp_fw->data;
1063 WREG32(CP_PFP_UCODE_ADDR, 0);
1064 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1065 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1066 WREG32(CP_PFP_UCODE_ADDR, 0);
1067
1068 fw_data = (const __be32 *)rdev->me_fw->data;
1069 WREG32(CP_ME_RAM_WADDR, 0);
1070 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1071 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1072
1073 WREG32(CP_PFP_UCODE_ADDR, 0);
1074 WREG32(CP_ME_RAM_WADDR, 0);
1075 WREG32(CP_ME_RAM_RADDR, 0);
1076 return 0;
1077 }
1078
1079 static int cayman_cp_start(struct radeon_device *rdev)
1080 {
1081 int r, i;
1082
1083 r = radeon_ring_lock(rdev, 7);
1084 if (r) {
1085 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1086 return r;
1087 }
1088 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
1089 radeon_ring_write(rdev, 0x1);
1090 radeon_ring_write(rdev, 0x0);
1091 radeon_ring_write(rdev, rdev->config.cayman.max_hw_contexts - 1);
1092 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1093 radeon_ring_write(rdev, 0);
1094 radeon_ring_write(rdev, 0);
1095 radeon_ring_unlock_commit(rdev);
1096
1097 cayman_cp_enable(rdev, true);
1098
1099 r = radeon_ring_lock(rdev, cayman_default_size + 19);
1100 if (r) {
1101 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1102 return r;
1103 }
1104
1105 /* setup clear context state */
1106 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1107 radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1108
1109 for (i = 0; i < cayman_default_size; i++)
1110 radeon_ring_write(rdev, cayman_default_state[i]);
1111
1112 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1113 radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);
1114
1115 /* set clear context state */
1116 radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
1117 radeon_ring_write(rdev, 0);
1118
1119 /* SQ_VTX_BASE_VTX_LOC */
1120 radeon_ring_write(rdev, 0xc0026f00);
1121 radeon_ring_write(rdev, 0x00000000);
1122 radeon_ring_write(rdev, 0x00000000);
1123 radeon_ring_write(rdev, 0x00000000);
1124
1125 /* Clear consts */
1126 radeon_ring_write(rdev, 0xc0036f00);
1127 radeon_ring_write(rdev, 0x00000bc4);
1128 radeon_ring_write(rdev, 0xffffffff);
1129 radeon_ring_write(rdev, 0xffffffff);
1130 radeon_ring_write(rdev, 0xffffffff);
1131
1132 radeon_ring_write(rdev, 0xc0026900);
1133 radeon_ring_write(rdev, 0x00000316);
1134 radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1135 radeon_ring_write(rdev, 0x00000010); /* */
1136
1137 radeon_ring_unlock_commit(rdev);
1138
1139 /* XXX init other rings */
1140
1141 return 0;
1142 }
1143
1144 static void cayman_cp_fini(struct radeon_device *rdev)
1145 {
1146 cayman_cp_enable(rdev, false);
1147 radeon_ring_fini(rdev);
1148 }
1149
1150 int cayman_cp_resume(struct radeon_device *rdev)
1151 {
1152 u32 tmp;
1153 u32 rb_bufsz;
1154 int r;
1155
1156 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1157 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1158 SOFT_RESET_PA |
1159 SOFT_RESET_SH |
1160 SOFT_RESET_VGT |
1161 SOFT_RESET_SX));
1162 RREG32(GRBM_SOFT_RESET);
1163 mdelay(15);
1164 WREG32(GRBM_SOFT_RESET, 0);
1165 RREG32(GRBM_SOFT_RESET);
1166
1167 WREG32(CP_SEM_WAIT_TIMER, 0x4);
1168
1169 /* Set the write pointer delay */
1170 WREG32(CP_RB_WPTR_DELAY, 0);
1171
1172 WREG32(CP_DEBUG, (1 << 27));
1173
1174 /* ring 0 - compute and gfx */
1175 /* Set ring buffer size */
1176 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
1177 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1178 #ifdef __BIG_ENDIAN
1179 tmp |= BUF_SWAP_32BIT;
1180 #endif
1181 WREG32(CP_RB0_CNTL, tmp);
1182
1183 /* Initialize the ring buffer's read and write pointers */
1184 WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
1185 WREG32(CP_RB0_WPTR, 0);
1186
1187 /* set the wb address wether it's enabled or not */
1188 WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1189 WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1190 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1191
1192 if (rdev->wb.enabled)
1193 WREG32(SCRATCH_UMSK, 0xff);
1194 else {
1195 tmp |= RB_NO_UPDATE;
1196 WREG32(SCRATCH_UMSK, 0);
1197 }
1198
1199 mdelay(1);
1200 WREG32(CP_RB0_CNTL, tmp);
1201
1202 WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8);
1203
1204 rdev->cp.rptr = RREG32(CP_RB0_RPTR);
1205 rdev->cp.wptr = RREG32(CP_RB0_WPTR);
1206
1207 /* ring1 - compute only */
1208 /* Set ring buffer size */
1209 rb_bufsz = drm_order(rdev->cp1.ring_size / 8);
1210 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1211 #ifdef __BIG_ENDIAN
1212 tmp |= BUF_SWAP_32BIT;
1213 #endif
1214 WREG32(CP_RB1_CNTL, tmp);
1215
1216 /* Initialize the ring buffer's read and write pointers */
1217 WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
1218 WREG32(CP_RB1_WPTR, 0);
1219
1220 /* set the wb address wether it's enabled or not */
1221 WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
1222 WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
1223
1224 mdelay(1);
1225 WREG32(CP_RB1_CNTL, tmp);
1226
1227 WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8);
1228
1229 rdev->cp1.rptr = RREG32(CP_RB1_RPTR);
1230 rdev->cp1.wptr = RREG32(CP_RB1_WPTR);
1231
1232 /* ring2 - compute only */
1233 /* Set ring buffer size */
1234 rb_bufsz = drm_order(rdev->cp2.ring_size / 8);
1235 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1236 #ifdef __BIG_ENDIAN
1237 tmp |= BUF_SWAP_32BIT;
1238 #endif
1239 WREG32(CP_RB2_CNTL, tmp);
1240
1241 /* Initialize the ring buffer's read and write pointers */
1242 WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
1243 WREG32(CP_RB2_WPTR, 0);
1244
1245 /* set the wb address wether it's enabled or not */
1246 WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
1247 WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
1248
1249 mdelay(1);
1250 WREG32(CP_RB2_CNTL, tmp);
1251
1252 WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8);
1253
1254 rdev->cp2.rptr = RREG32(CP_RB2_RPTR);
1255 rdev->cp2.wptr = RREG32(CP_RB2_WPTR);
1256
1257 /* start the rings */
1258 cayman_cp_start(rdev);
1259 rdev->cp.ready = true;
1260 rdev->cp1.ready = true;
1261 rdev->cp2.ready = true;
1262 /* this only test cp0 */
1263 r = radeon_ring_test(rdev);
1264 if (r) {
1265 rdev->cp.ready = false;
1266 rdev->cp1.ready = false;
1267 rdev->cp2.ready = false;
1268 return r;
1269 }
1270
1271 return 0;
1272 }
1273
1274 bool cayman_gpu_is_lockup(struct radeon_device *rdev)
1275 {
1276 u32 srbm_status;
1277 u32 grbm_status;
1278 u32 grbm_status_se0, grbm_status_se1;
1279 struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup;
1280 int r;
1281
1282 srbm_status = RREG32(SRBM_STATUS);
1283 grbm_status = RREG32(GRBM_STATUS);
1284 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
1285 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
1286 if (!(grbm_status & GUI_ACTIVE)) {
1287 r100_gpu_lockup_update(lockup, &rdev->cp);
1288 return false;
1289 }
1290 /* force CP activities */
1291 r = radeon_ring_lock(rdev, 2);
1292 if (!r) {
1293 /* PACKET2 NOP */
1294 radeon_ring_write(rdev, 0x80000000);
1295 radeon_ring_write(rdev, 0x80000000);
1296 radeon_ring_unlock_commit(rdev);
1297 }
1298 /* XXX deal with CP0,1,2 */
1299 rdev->cp.rptr = RREG32(CP_RB0_RPTR);
1300 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1301 }
1302
1303 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1304 {
1305 struct evergreen_mc_save save;
1306 u32 grbm_reset = 0;
1307
1308 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1309 return 0;
1310
1311 dev_info(rdev->dev, "GPU softreset \n");
1312 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1313 RREG32(GRBM_STATUS));
1314 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1315 RREG32(GRBM_STATUS_SE0));
1316 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1317 RREG32(GRBM_STATUS_SE1));
1318 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1319 RREG32(SRBM_STATUS));
1320 evergreen_mc_stop(rdev, &save);
1321 if (evergreen_mc_wait_for_idle(rdev)) {
1322 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1323 }
1324 /* Disable CP parsing/prefetching */
1325 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1326
1327 /* reset all the gfx blocks */
1328 grbm_reset = (SOFT_RESET_CP |
1329 SOFT_RESET_CB |
1330 SOFT_RESET_DB |
1331 SOFT_RESET_GDS |
1332 SOFT_RESET_PA |
1333 SOFT_RESET_SC |
1334 SOFT_RESET_SPI |
1335 SOFT_RESET_SH |
1336 SOFT_RESET_SX |
1337 SOFT_RESET_TC |
1338 SOFT_RESET_TA |
1339 SOFT_RESET_VGT |
1340 SOFT_RESET_IA);
1341
1342 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1343 WREG32(GRBM_SOFT_RESET, grbm_reset);
1344 (void)RREG32(GRBM_SOFT_RESET);
1345 udelay(50);
1346 WREG32(GRBM_SOFT_RESET, 0);
1347 (void)RREG32(GRBM_SOFT_RESET);
1348 /* Wait a little for things to settle down */
1349 udelay(50);
1350 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1351 RREG32(GRBM_STATUS));
1352 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1353 RREG32(GRBM_STATUS_SE0));
1354 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1355 RREG32(GRBM_STATUS_SE1));
1356 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1357 RREG32(SRBM_STATUS));
1358 evergreen_mc_resume(rdev, &save);
1359 return 0;
1360 }
1361
1362 int cayman_asic_reset(struct radeon_device *rdev)
1363 {
1364 return cayman_gpu_soft_reset(rdev);
1365 }
1366
1367 static int cayman_startup(struct radeon_device *rdev)
1368 {
1369 int r;
1370
1371 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1372 r = ni_init_microcode(rdev);
1373 if (r) {
1374 DRM_ERROR("Failed to load firmware!\n");
1375 return r;
1376 }
1377 }
1378 r = ni_mc_load_microcode(rdev);
1379 if (r) {
1380 DRM_ERROR("Failed to load MC firmware!\n");
1381 return r;
1382 }
1383
1384 evergreen_mc_program(rdev);
1385 r = cayman_pcie_gart_enable(rdev);
1386 if (r)
1387 return r;
1388 cayman_gpu_init(rdev);
1389
1390 #if 0
1391 r = cayman_blit_init(rdev);
1392 if (r) {
1393 cayman_blit_fini(rdev);
1394 rdev->asic->copy = NULL;
1395 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1396 }
1397 #endif
1398
1399 /* allocate wb buffer */
1400 r = radeon_wb_init(rdev);
1401 if (r)
1402 return r;
1403
1404 /* Enable IRQ */
1405 r = r600_irq_init(rdev);
1406 if (r) {
1407 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1408 radeon_irq_kms_fini(rdev);
1409 return r;
1410 }
1411 evergreen_irq_set(rdev);
1412
1413 r = radeon_ring_init(rdev, rdev->cp.ring_size);
1414 if (r)
1415 return r;
1416 r = cayman_cp_load_microcode(rdev);
1417 if (r)
1418 return r;
1419 r = cayman_cp_resume(rdev);
1420 if (r)
1421 return r;
1422
1423 return 0;
1424 }
1425
1426 int cayman_resume(struct radeon_device *rdev)
1427 {
1428 int r;
1429
1430 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1431 * posting will perform necessary task to bring back GPU into good
1432 * shape.
1433 */
1434 /* post card */
1435 atom_asic_init(rdev->mode_info.atom_context);
1436
1437 r = cayman_startup(rdev);
1438 if (r) {
1439 DRM_ERROR("cayman startup failed on resume\n");
1440 return r;
1441 }
1442
1443 r = r600_ib_test(rdev);
1444 if (r) {
1445 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1446 return r;
1447 }
1448
1449 return r;
1450
1451 }
1452
1453 int cayman_suspend(struct radeon_device *rdev)
1454 {
1455 /* int r; */
1456
1457 /* FIXME: we should wait for ring to be empty */
1458 cayman_cp_enable(rdev, false);
1459 rdev->cp.ready = false;
1460 evergreen_irq_suspend(rdev);
1461 radeon_wb_disable(rdev);
1462 cayman_pcie_gart_disable(rdev);
1463
1464 #if 0
1465 /* unpin shaders bo */
1466 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1467 if (likely(r == 0)) {
1468 radeon_bo_unpin(rdev->r600_blit.shader_obj);
1469 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1470 }
1471 #endif
1472 return 0;
1473 }
1474
1475 /* Plan is to move initialization in that function and use
1476 * helper function so that radeon_device_init pretty much
1477 * do nothing more than calling asic specific function. This
1478 * should also allow to remove a bunch of callback function
1479 * like vram_info.
1480 */
1481 int cayman_init(struct radeon_device *rdev)
1482 {
1483 int r;
1484
1485 /* This don't do much */
1486 r = radeon_gem_init(rdev);
1487 if (r)
1488 return r;
1489 /* Read BIOS */
1490 if (!radeon_get_bios(rdev)) {
1491 if (ASIC_IS_AVIVO(rdev))
1492 return -EINVAL;
1493 }
1494 /* Must be an ATOMBIOS */
1495 if (!rdev->is_atom_bios) {
1496 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1497 return -EINVAL;
1498 }
1499 r = radeon_atombios_init(rdev);
1500 if (r)
1501 return r;
1502
1503 /* Post card if necessary */
1504 if (!radeon_card_posted(rdev)) {
1505 if (!rdev->bios) {
1506 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1507 return -EINVAL;
1508 }
1509 DRM_INFO("GPU not posted. posting now...\n");
1510 atom_asic_init(rdev->mode_info.atom_context);
1511 }
1512 /* Initialize scratch registers */
1513 r600_scratch_init(rdev);
1514 /* Initialize surface registers */
1515 radeon_surface_init(rdev);
1516 /* Initialize clocks */
1517 radeon_get_clock_info(rdev->ddev);
1518 /* Fence driver */
1519 r = radeon_fence_driver_init(rdev);
1520 if (r)
1521 return r;
1522 /* initialize memory controller */
1523 r = evergreen_mc_init(rdev);
1524 if (r)
1525 return r;
1526 /* Memory manager */
1527 r = radeon_bo_init(rdev);
1528 if (r)
1529 return r;
1530
1531 r = radeon_irq_kms_init(rdev);
1532 if (r)
1533 return r;
1534
1535 rdev->cp.ring_obj = NULL;
1536 r600_ring_init(rdev, 1024 * 1024);
1537
1538 rdev->ih.ring_obj = NULL;
1539 r600_ih_ring_init(rdev, 64 * 1024);
1540
1541 r = r600_pcie_gart_init(rdev);
1542 if (r)
1543 return r;
1544
1545 rdev->accel_working = true;
1546 r = cayman_startup(rdev);
1547 if (r) {
1548 dev_err(rdev->dev, "disabling GPU acceleration\n");
1549 cayman_cp_fini(rdev);
1550 r600_irq_fini(rdev);
1551 radeon_wb_fini(rdev);
1552 radeon_irq_kms_fini(rdev);
1553 cayman_pcie_gart_fini(rdev);
1554 rdev->accel_working = false;
1555 }
1556 if (rdev->accel_working) {
1557 r = radeon_ib_pool_init(rdev);
1558 if (r) {
1559 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
1560 rdev->accel_working = false;
1561 }
1562 r = r600_ib_test(rdev);
1563 if (r) {
1564 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1565 rdev->accel_working = false;
1566 }
1567 }
1568
1569 /* Don't start up if the MC ucode is missing.
1570 * The default clocks and voltages before the MC ucode
1571 * is loaded are not suffient for advanced operations.
1572 */
1573 if (!rdev->mc_fw) {
1574 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1575 return -EINVAL;
1576 }
1577
1578 return 0;
1579 }
1580
1581 void cayman_fini(struct radeon_device *rdev)
1582 {
1583 /* cayman_blit_fini(rdev); */
1584 cayman_cp_fini(rdev);
1585 r600_irq_fini(rdev);
1586 radeon_wb_fini(rdev);
1587 radeon_irq_kms_fini(rdev);
1588 cayman_pcie_gart_fini(rdev);
1589 radeon_gem_fini(rdev);
1590 radeon_fence_driver_fini(rdev);
1591 radeon_bo_fini(rdev);
1592 radeon_atombios_fini(rdev);
1593 kfree(rdev->bios);
1594 rdev->bios = NULL;
1595 }
1596
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