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MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size check
[linux-2.6/linux-mips.git] / drivers / gpu / drm / radeon / ni.c
blob556b7bc3418b9da6d0aa5bb61bdf31e83ce89059
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 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
43 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
44
45 #define EVERGREEN_PFP_UCODE_SIZE 1120
46 #define EVERGREEN_PM4_UCODE_SIZE 1376
47 #define EVERGREEN_RLC_UCODE_SIZE 768
48 #define BTC_MC_UCODE_SIZE 6024
49
50 #define CAYMAN_PFP_UCODE_SIZE 2176
51 #define CAYMAN_PM4_UCODE_SIZE 2176
52 #define CAYMAN_RLC_UCODE_SIZE 1024
53 #define CAYMAN_MC_UCODE_SIZE 6037
54
55 /* Firmware Names */
56 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
57 MODULE_FIRMWARE("radeon/BARTS_me.bin");
58 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
59 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
60 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
61 MODULE_FIRMWARE("radeon/TURKS_me.bin");
62 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
63 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
64 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
65 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
66 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
67 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
68 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
69 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
70
71 #define BTC_IO_MC_REGS_SIZE 29
72
73 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
74 {0x00000077, 0xff010100},
75 {0x00000078, 0x00000000},
76 {0x00000079, 0x00001434},
77 {0x0000007a, 0xcc08ec08},
78 {0x0000007b, 0x00040000},
79 {0x0000007c, 0x000080c0},
80 {0x0000007d, 0x09000000},
81 {0x0000007e, 0x00210404},
82 {0x00000081, 0x08a8e800},
83 {0x00000082, 0x00030444},
84 {0x00000083, 0x00000000},
85 {0x00000085, 0x00000001},
86 {0x00000086, 0x00000002},
87 {0x00000087, 0x48490000},
88 {0x00000088, 0x20244647},
89 {0x00000089, 0x00000005},
90 {0x0000008b, 0x66030000},
91 {0x0000008c, 0x00006603},
92 {0x0000008d, 0x00000100},
93 {0x0000008f, 0x00001c0a},
94 {0x00000090, 0xff000001},
95 {0x00000094, 0x00101101},
96 {0x00000095, 0x00000fff},
97 {0x00000096, 0x00116fff},
98 {0x00000097, 0x60010000},
99 {0x00000098, 0x10010000},
100 {0x00000099, 0x00006000},
101 {0x0000009a, 0x00001000},
102 {0x0000009f, 0x00946a00}
103 };
104
105 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
106 {0x00000077, 0xff010100},
107 {0x00000078, 0x00000000},
108 {0x00000079, 0x00001434},
109 {0x0000007a, 0xcc08ec08},
110 {0x0000007b, 0x00040000},
111 {0x0000007c, 0x000080c0},
112 {0x0000007d, 0x09000000},
113 {0x0000007e, 0x00210404},
114 {0x00000081, 0x08a8e800},
115 {0x00000082, 0x00030444},
116 {0x00000083, 0x00000000},
117 {0x00000085, 0x00000001},
118 {0x00000086, 0x00000002},
119 {0x00000087, 0x48490000},
120 {0x00000088, 0x20244647},
121 {0x00000089, 0x00000005},
122 {0x0000008b, 0x66030000},
123 {0x0000008c, 0x00006603},
124 {0x0000008d, 0x00000100},
125 {0x0000008f, 0x00001c0a},
126 {0x00000090, 0xff000001},
127 {0x00000094, 0x00101101},
128 {0x00000095, 0x00000fff},
129 {0x00000096, 0x00116fff},
130 {0x00000097, 0x60010000},
131 {0x00000098, 0x10010000},
132 {0x00000099, 0x00006000},
133 {0x0000009a, 0x00001000},
134 {0x0000009f, 0x00936a00}
135 };
136
137 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
138 {0x00000077, 0xff010100},
139 {0x00000078, 0x00000000},
140 {0x00000079, 0x00001434},
141 {0x0000007a, 0xcc08ec08},
142 {0x0000007b, 0x00040000},
143 {0x0000007c, 0x000080c0},
144 {0x0000007d, 0x09000000},
145 {0x0000007e, 0x00210404},
146 {0x00000081, 0x08a8e800},
147 {0x00000082, 0x00030444},
148 {0x00000083, 0x00000000},
149 {0x00000085, 0x00000001},
150 {0x00000086, 0x00000002},
151 {0x00000087, 0x48490000},
152 {0x00000088, 0x20244647},
153 {0x00000089, 0x00000005},
154 {0x0000008b, 0x66030000},
155 {0x0000008c, 0x00006603},
156 {0x0000008d, 0x00000100},
157 {0x0000008f, 0x00001c0a},
158 {0x00000090, 0xff000001},
159 {0x00000094, 0x00101101},
160 {0x00000095, 0x00000fff},
161 {0x00000096, 0x00116fff},
162 {0x00000097, 0x60010000},
163 {0x00000098, 0x10010000},
164 {0x00000099, 0x00006000},
165 {0x0000009a, 0x00001000},
166 {0x0000009f, 0x00916a00}
167 };
168
169 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
170 {0x00000077, 0xff010100},
171 {0x00000078, 0x00000000},
172 {0x00000079, 0x00001434},
173 {0x0000007a, 0xcc08ec08},
174 {0x0000007b, 0x00040000},
175 {0x0000007c, 0x000080c0},
176 {0x0000007d, 0x09000000},
177 {0x0000007e, 0x00210404},
178 {0x00000081, 0x08a8e800},
179 {0x00000082, 0x00030444},
180 {0x00000083, 0x00000000},
181 {0x00000085, 0x00000001},
182 {0x00000086, 0x00000002},
183 {0x00000087, 0x48490000},
184 {0x00000088, 0x20244647},
185 {0x00000089, 0x00000005},
186 {0x0000008b, 0x66030000},
187 {0x0000008c, 0x00006603},
188 {0x0000008d, 0x00000100},
189 {0x0000008f, 0x00001c0a},
190 {0x00000090, 0xff000001},
191 {0x00000094, 0x00101101},
192 {0x00000095, 0x00000fff},
193 {0x00000096, 0x00116fff},
194 {0x00000097, 0x60010000},
195 {0x00000098, 0x10010000},
196 {0x00000099, 0x00006000},
197 {0x0000009a, 0x00001000},
198 {0x0000009f, 0x00976b00}
199 };
200
201 int ni_mc_load_microcode(struct radeon_device *rdev)
202 {
203 const __be32 *fw_data;
204 u32 mem_type, running, blackout = 0;
205 u32 *io_mc_regs;
206 int i, ucode_size, regs_size;
207
208 if (!rdev->mc_fw)
209 return -EINVAL;
210
211 switch (rdev->family) {
212 case CHIP_BARTS:
213 io_mc_regs = (u32 *)&barts_io_mc_regs;
214 ucode_size = BTC_MC_UCODE_SIZE;
215 regs_size = BTC_IO_MC_REGS_SIZE;
216 break;
217 case CHIP_TURKS:
218 io_mc_regs = (u32 *)&turks_io_mc_regs;
219 ucode_size = BTC_MC_UCODE_SIZE;
220 regs_size = BTC_IO_MC_REGS_SIZE;
221 break;
222 case CHIP_CAICOS:
223 default:
224 io_mc_regs = (u32 *)&caicos_io_mc_regs;
225 ucode_size = BTC_MC_UCODE_SIZE;
226 regs_size = BTC_IO_MC_REGS_SIZE;
227 break;
228 case CHIP_CAYMAN:
229 io_mc_regs = (u32 *)&cayman_io_mc_regs;
230 ucode_size = CAYMAN_MC_UCODE_SIZE;
231 regs_size = BTC_IO_MC_REGS_SIZE;
232 break;
233 }
234
235 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
236 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
237
238 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
239 if (running) {
240 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
241 WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
242 }
243
244 /* reset the engine and set to writable */
245 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
246 WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
247
248 /* load mc io regs */
249 for (i = 0; i < regs_size; i++) {
250 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
251 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
252 }
253 /* load the MC ucode */
254 fw_data = (const __be32 *)rdev->mc_fw->data;
255 for (i = 0; i < ucode_size; i++)
256 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
257
258 /* put the engine back into the active state */
259 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
260 WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
261 WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
262
263 /* wait for training to complete */
264 while (!(RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD))
265 udelay(10);
266
267 if (running)
268 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
269 }
270
271 return 0;
272 }
273
274 int ni_init_microcode(struct radeon_device *rdev)
275 {
276 struct platform_device *pdev;
277 const char *chip_name;
278 const char *rlc_chip_name;
279 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
280 char fw_name[30];
281 int err;
282
283 DRM_DEBUG("\n");
284
285 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
286 err = IS_ERR(pdev);
287 if (err) {
288 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
289 return -EINVAL;
290 }
291
292 switch (rdev->family) {
293 case CHIP_BARTS:
294 chip_name = "BARTS";
295 rlc_chip_name = "BTC";
296 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
297 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
298 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
299 mc_req_size = BTC_MC_UCODE_SIZE * 4;
300 break;
301 case CHIP_TURKS:
302 chip_name = "TURKS";
303 rlc_chip_name = "BTC";
304 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
305 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
306 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
307 mc_req_size = BTC_MC_UCODE_SIZE * 4;
308 break;
309 case CHIP_CAICOS:
310 chip_name = "CAICOS";
311 rlc_chip_name = "BTC";
312 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
313 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
314 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
315 mc_req_size = BTC_MC_UCODE_SIZE * 4;
316 break;
317 case CHIP_CAYMAN:
318 chip_name = "CAYMAN";
319 rlc_chip_name = "CAYMAN";
320 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
321 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
322 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
323 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
324 break;
325 default: BUG();
326 }
327
328 DRM_INFO("Loading %s Microcode\n", chip_name);
329
330 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
331 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
332 if (err)
333 goto out;
334 if (rdev->pfp_fw->size != pfp_req_size) {
335 printk(KERN_ERR
336 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
337 rdev->pfp_fw->size, fw_name);
338 err = -EINVAL;
339 goto out;
340 }
341
342 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
343 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
344 if (err)
345 goto out;
346 if (rdev->me_fw->size != me_req_size) {
347 printk(KERN_ERR
348 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
349 rdev->me_fw->size, fw_name);
350 err = -EINVAL;
351 }
352
353 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
354 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
355 if (err)
356 goto out;
357 if (rdev->rlc_fw->size != rlc_req_size) {
358 printk(KERN_ERR
359 "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
360 rdev->rlc_fw->size, fw_name);
361 err = -EINVAL;
362 }
363
364 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
365 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
366 if (err)
367 goto out;
368 if (rdev->mc_fw->size != mc_req_size) {
369 printk(KERN_ERR
370 "ni_mc: Bogus length %zu in firmware \"%s\"\n",
371 rdev->mc_fw->size, fw_name);
372 err = -EINVAL;
373 }
374 out:
375 platform_device_unregister(pdev);
376
377 if (err) {
378 if (err != -EINVAL)
379 printk(KERN_ERR
380 "ni_cp: Failed to load firmware \"%s\"\n",
381 fw_name);
382 release_firmware(rdev->pfp_fw);
383 rdev->pfp_fw = NULL;
384 release_firmware(rdev->me_fw);
385 rdev->me_fw = NULL;
386 release_firmware(rdev->rlc_fw);
387 rdev->rlc_fw = NULL;
388 release_firmware(rdev->mc_fw);
389 rdev->mc_fw = NULL;
390 }
391 return err;
392 }
393
394 /*
395 * Core functions
396 */
397 static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
398 u32 num_tile_pipes,
399 u32 num_backends_per_asic,
400 u32 *backend_disable_mask_per_asic,
401 u32 num_shader_engines)
402 {
403 u32 backend_map = 0;
404 u32 enabled_backends_mask = 0;
405 u32 enabled_backends_count = 0;
406 u32 num_backends_per_se;
407 u32 cur_pipe;
408 u32 swizzle_pipe[CAYMAN_MAX_PIPES];
409 u32 cur_backend = 0;
410 u32 i;
411 bool force_no_swizzle;
412
413 /* force legal values */
414 if (num_tile_pipes < 1)
415 num_tile_pipes = 1;
416 if (num_tile_pipes > rdev->config.cayman.max_tile_pipes)
417 num_tile_pipes = rdev->config.cayman.max_tile_pipes;
418 if (num_shader_engines < 1)
419 num_shader_engines = 1;
420 if (num_shader_engines > rdev->config.cayman.max_shader_engines)
421 num_shader_engines = rdev->config.cayman.max_shader_engines;
422 if (num_backends_per_asic < num_shader_engines)
423 num_backends_per_asic = num_shader_engines;
424 if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
425 num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;
426
427 /* make sure we have the same number of backends per se */
428 num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines);
429 /* set up the number of backends per se */
430 num_backends_per_se = num_backends_per_asic / num_shader_engines;
431 if (num_backends_per_se > rdev->config.cayman.max_backends_per_se) {
432 num_backends_per_se = rdev->config.cayman.max_backends_per_se;
433 num_backends_per_asic = num_backends_per_se * num_shader_engines;
434 }
435
436 /* create enable mask and count for enabled backends */
437 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
438 if (((*backend_disable_mask_per_asic >> i) & 1) == 0) {
439 enabled_backends_mask |= (1 << i);
440 ++enabled_backends_count;
441 }
442 if (enabled_backends_count == num_backends_per_asic)
443 break;
444 }
445
446 /* force the backends mask to match the current number of backends */
447 if (enabled_backends_count != num_backends_per_asic) {
448 u32 this_backend_enabled;
449 u32 shader_engine;
450 u32 backend_per_se;
451
452 enabled_backends_mask = 0;
453 enabled_backends_count = 0;
454 *backend_disable_mask_per_asic = CAYMAN_MAX_BACKENDS_MASK;
455 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
456 /* calc the current se */
457 shader_engine = i / rdev->config.cayman.max_backends_per_se;
458 /* calc the backend per se */
459 backend_per_se = i % rdev->config.cayman.max_backends_per_se;
460 /* default to not enabled */
461 this_backend_enabled = 0;
462 if ((shader_engine < num_shader_engines) &&
463 (backend_per_se < num_backends_per_se))
464 this_backend_enabled = 1;
465 if (this_backend_enabled) {
466 enabled_backends_mask |= (1 << i);
467 *backend_disable_mask_per_asic &= ~(1 << i);
468 ++enabled_backends_count;
469 }
470 }
471 }
472
473
474 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * CAYMAN_MAX_PIPES);
475 switch (rdev->family) {
476 case CHIP_CAYMAN:
477 force_no_swizzle = true;
478 break;
479 default:
480 force_no_swizzle = false;
481 break;
482 }
483 if (force_no_swizzle) {
484 bool last_backend_enabled = false;
485
486 force_no_swizzle = false;
487 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
488 if (((enabled_backends_mask >> i) & 1) == 1) {
489 if (last_backend_enabled)
490 force_no_swizzle = true;
491 last_backend_enabled = true;
492 } else
493 last_backend_enabled = false;
494 }
495 }
496
497 switch (num_tile_pipes) {
498 case 1:
499 case 3:
500 case 5:
501 case 7:
502 DRM_ERROR("odd number of pipes!\n");
503 break;
504 case 2:
505 swizzle_pipe[0] = 0;
506 swizzle_pipe[1] = 1;
507 break;
508 case 4:
509 if (force_no_swizzle) {
510 swizzle_pipe[0] = 0;
511 swizzle_pipe[1] = 1;
512 swizzle_pipe[2] = 2;
513 swizzle_pipe[3] = 3;
514 } else {
515 swizzle_pipe[0] = 0;
516 swizzle_pipe[1] = 2;
517 swizzle_pipe[2] = 1;
518 swizzle_pipe[3] = 3;
519 }
520 break;
521 case 6:
522 if (force_no_swizzle) {
523 swizzle_pipe[0] = 0;
524 swizzle_pipe[1] = 1;
525 swizzle_pipe[2] = 2;
526 swizzle_pipe[3] = 3;
527 swizzle_pipe[4] = 4;
528 swizzle_pipe[5] = 5;
529 } else {
530 swizzle_pipe[0] = 0;
531 swizzle_pipe[1] = 2;
532 swizzle_pipe[2] = 4;
533 swizzle_pipe[3] = 1;
534 swizzle_pipe[4] = 3;
535 swizzle_pipe[5] = 5;
536 }
537 break;
538 case 8:
539 if (force_no_swizzle) {
540 swizzle_pipe[0] = 0;
541 swizzle_pipe[1] = 1;
542 swizzle_pipe[2] = 2;
543 swizzle_pipe[3] = 3;
544 swizzle_pipe[4] = 4;
545 swizzle_pipe[5] = 5;
546 swizzle_pipe[6] = 6;
547 swizzle_pipe[7] = 7;
548 } else {
549 swizzle_pipe[0] = 0;
550 swizzle_pipe[1] = 2;
551 swizzle_pipe[2] = 4;
552 swizzle_pipe[3] = 6;
553 swizzle_pipe[4] = 1;
554 swizzle_pipe[5] = 3;
555 swizzle_pipe[6] = 5;
556 swizzle_pipe[7] = 7;
557 }
558 break;
559 }
560
561 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
562 while (((1 << cur_backend) & enabled_backends_mask) == 0)
563 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
564
565 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
566
567 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
568 }
569
570 return backend_map;
571 }
572
573 static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
574 u32 disable_mask_per_se,
575 u32 max_disable_mask_per_se,
576 u32 num_shader_engines)
577 {
578 u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se);
579 u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se;
580
581 if (num_shader_engines == 1)
582 return disable_mask_per_asic;
583 else if (num_shader_engines == 2)
584 return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se);
585 else
586 return 0xffffffff;
587 }
588
589 static void cayman_gpu_init(struct radeon_device *rdev)
590 {
591 u32 cc_rb_backend_disable = 0;
592 u32 cc_gc_shader_pipe_config;
593 u32 gb_addr_config = 0;
594 u32 mc_shared_chmap, mc_arb_ramcfg;
595 u32 gb_backend_map;
596 u32 cgts_tcc_disable;
597 u32 sx_debug_1;
598 u32 smx_dc_ctl0;
599 u32 gc_user_shader_pipe_config;
600 u32 gc_user_rb_backend_disable;
601 u32 cgts_user_tcc_disable;
602 u32 cgts_sm_ctrl_reg;
603 u32 hdp_host_path_cntl;
604 u32 tmp;
605 int i, j;
606
607 switch (rdev->family) {
608 case CHIP_CAYMAN:
609 default:
610 rdev->config.cayman.max_shader_engines = 2;
611 rdev->config.cayman.max_pipes_per_simd = 4;
612 rdev->config.cayman.max_tile_pipes = 8;
613 rdev->config.cayman.max_simds_per_se = 12;
614 rdev->config.cayman.max_backends_per_se = 4;
615 rdev->config.cayman.max_texture_channel_caches = 8;
616 rdev->config.cayman.max_gprs = 256;
617 rdev->config.cayman.max_threads = 256;
618 rdev->config.cayman.max_gs_threads = 32;
619 rdev->config.cayman.max_stack_entries = 512;
620 rdev->config.cayman.sx_num_of_sets = 8;
621 rdev->config.cayman.sx_max_export_size = 256;
622 rdev->config.cayman.sx_max_export_pos_size = 64;
623 rdev->config.cayman.sx_max_export_smx_size = 192;
624 rdev->config.cayman.max_hw_contexts = 8;
625 rdev->config.cayman.sq_num_cf_insts = 2;
626
627 rdev->config.cayman.sc_prim_fifo_size = 0x100;
628 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
629 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
630 break;
631 }
632
633 /* Initialize HDP */
634 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
635 WREG32((0x2c14 + j), 0x00000000);
636 WREG32((0x2c18 + j), 0x00000000);
637 WREG32((0x2c1c + j), 0x00000000);
638 WREG32((0x2c20 + j), 0x00000000);
639 WREG32((0x2c24 + j), 0x00000000);
640 }
641
642 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
643
644 evergreen_fix_pci_max_read_req_size(rdev);
645
646 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
647 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
648
649 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE);
650 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
651 cgts_tcc_disable = 0xff000000;
652 gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE);
653 gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG);
654 cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE);
655
656 rdev->config.cayman.num_shader_engines = rdev->config.cayman.max_shader_engines;
657 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
658 rdev->config.cayman.num_shader_pipes_per_simd = r600_count_pipe_bits(tmp);
659 rdev->config.cayman.num_tile_pipes = rdev->config.cayman.max_tile_pipes;
660 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_SIMDS_MASK) >> INACTIVE_SIMDS_SHIFT;
661 rdev->config.cayman.num_simds_per_se = r600_count_pipe_bits(tmp);
662 tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
663 rdev->config.cayman.num_backends_per_se = r600_count_pipe_bits(tmp);
664 tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
665 rdev->config.cayman.backend_disable_mask_per_asic =
666 cayman_get_disable_mask_per_asic(rdev, tmp, CAYMAN_MAX_BACKENDS_PER_SE_MASK,
667 rdev->config.cayman.num_shader_engines);
668 rdev->config.cayman.backend_map =
669 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
670 rdev->config.cayman.num_backends_per_se *
671 rdev->config.cayman.num_shader_engines,
672 &rdev->config.cayman.backend_disable_mask_per_asic,
673 rdev->config.cayman.num_shader_engines);
674 tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT;
675 rdev->config.cayman.num_texture_channel_caches = r600_count_pipe_bits(tmp);
676 tmp = (mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT;
677 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
678 if (rdev->config.cayman.mem_max_burst_length_bytes > 512)
679 rdev->config.cayman.mem_max_burst_length_bytes = 512;
680 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
681 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
682 if (rdev->config.cayman.mem_row_size_in_kb > 4)
683 rdev->config.cayman.mem_row_size_in_kb = 4;
684 /* XXX use MC settings? */
685 rdev->config.cayman.shader_engine_tile_size = 32;
686 rdev->config.cayman.num_gpus = 1;
687 rdev->config.cayman.multi_gpu_tile_size = 64;
688
689 //gb_addr_config = 0x02011003
690 #if 0
691 gb_addr_config = RREG32(GB_ADDR_CONFIG);
692 #else
693 gb_addr_config = 0;
694 switch (rdev->config.cayman.num_tile_pipes) {
695 case 1:
696 default:
697 gb_addr_config |= NUM_PIPES(0);
698 break;
699 case 2:
700 gb_addr_config |= NUM_PIPES(1);
701 break;
702 case 4:
703 gb_addr_config |= NUM_PIPES(2);
704 break;
705 case 8:
706 gb_addr_config |= NUM_PIPES(3);
707 break;
708 }
709
710 tmp = (rdev->config.cayman.mem_max_burst_length_bytes / 256) - 1;
711 gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp);
712 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.cayman.num_shader_engines - 1);
713 tmp = (rdev->config.cayman.shader_engine_tile_size / 16) - 1;
714 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp);
715 switch (rdev->config.cayman.num_gpus) {
716 case 1:
717 default:
718 gb_addr_config |= NUM_GPUS(0);
719 break;
720 case 2:
721 gb_addr_config |= NUM_GPUS(1);
722 break;
723 case 4:
724 gb_addr_config |= NUM_GPUS(2);
725 break;
726 }
727 switch (rdev->config.cayman.multi_gpu_tile_size) {
728 case 16:
729 gb_addr_config |= MULTI_GPU_TILE_SIZE(0);
730 break;
731 case 32:
732 default:
733 gb_addr_config |= MULTI_GPU_TILE_SIZE(1);
734 break;
735 case 64:
736 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
737 break;
738 case 128:
739 gb_addr_config |= MULTI_GPU_TILE_SIZE(3);
740 break;
741 }
742 switch (rdev->config.cayman.mem_row_size_in_kb) {
743 case 1:
744 default:
745 gb_addr_config |= ROW_SIZE(0);
746 break;
747 case 2:
748 gb_addr_config |= ROW_SIZE(1);
749 break;
750 case 4:
751 gb_addr_config |= ROW_SIZE(2);
752 break;
753 }
754 #endif
755
756 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
757 rdev->config.cayman.num_tile_pipes = (1 << tmp);
758 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
759 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
760 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
761 rdev->config.cayman.num_shader_engines = tmp + 1;
762 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
763 rdev->config.cayman.num_gpus = tmp + 1;
764 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
765 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
766 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
767 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
768
769 //gb_backend_map = 0x76541032;
770 #if 0
771 gb_backend_map = RREG32(GB_BACKEND_MAP);
772 #else
773 gb_backend_map =
774 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
775 rdev->config.cayman.num_backends_per_se *
776 rdev->config.cayman.num_shader_engines,
777 &rdev->config.cayman.backend_disable_mask_per_asic,
778 rdev->config.cayman.num_shader_engines);
779 #endif
780 /* setup tiling info dword. gb_addr_config is not adequate since it does
781 * not have bank info, so create a custom tiling dword.
782 * bits 3:0 num_pipes
783 * bits 7:4 num_banks
784 * bits 11:8 group_size
785 * bits 15:12 row_size
786 */
787 rdev->config.cayman.tile_config = 0;
788 switch (rdev->config.cayman.num_tile_pipes) {
789 case 1:
790 default:
791 rdev->config.cayman.tile_config |= (0 << 0);
792 break;
793 case 2:
794 rdev->config.cayman.tile_config |= (1 << 0);
795 break;
796 case 4:
797 rdev->config.cayman.tile_config |= (2 << 0);
798 break;
799 case 8:
800 rdev->config.cayman.tile_config |= (3 << 0);
801 break;
802 }
803 rdev->config.cayman.tile_config |=
804 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
805 rdev->config.cayman.tile_config |=
806 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
807 rdev->config.cayman.tile_config |=
808 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
809
810 rdev->config.cayman.backend_map = gb_backend_map;
811 WREG32(GB_BACKEND_MAP, gb_backend_map);
812 WREG32(GB_ADDR_CONFIG, gb_addr_config);
813 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
814 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
815
816 /* primary versions */
817 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
818 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
819 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
820
821 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
822 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
823
824 /* user versions */
825 WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable);
826 WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
827 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
828
829 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
830 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
831
832 /* reprogram the shader complex */
833 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
834 for (i = 0; i < 16; i++)
835 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
836 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
837
838 /* set HW defaults for 3D engine */
839 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
840
841 sx_debug_1 = RREG32(SX_DEBUG_1);
842 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
843 WREG32(SX_DEBUG_1, sx_debug_1);
844
845 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
846 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
847 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
848 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
849
850 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
851
852 /* need to be explicitly zero-ed */
853 WREG32(VGT_OFFCHIP_LDS_BASE, 0);
854 WREG32(SQ_LSTMP_RING_BASE, 0);
855 WREG32(SQ_HSTMP_RING_BASE, 0);
856 WREG32(SQ_ESTMP_RING_BASE, 0);
857 WREG32(SQ_GSTMP_RING_BASE, 0);
858 WREG32(SQ_VSTMP_RING_BASE, 0);
859 WREG32(SQ_PSTMP_RING_BASE, 0);
860
861 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
862
863 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
864 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
865 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
866
867 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
868 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
869 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
870
871
872 WREG32(VGT_NUM_INSTANCES, 1);
873
874 WREG32(CP_PERFMON_CNTL, 0);
875
876 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
877 FETCH_FIFO_HIWATER(0x4) |
878 DONE_FIFO_HIWATER(0xe0) |
879 ALU_UPDATE_FIFO_HIWATER(0x8)));
880
881 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
882 WREG32(SQ_CONFIG, (VC_ENABLE |
883 EXPORT_SRC_C |
884 GFX_PRIO(0) |
885 CS1_PRIO(0) |
886 CS2_PRIO(1)));
887 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
888
889 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
890 FORCE_EOV_MAX_REZ_CNT(255)));
891
892 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
893 AUTO_INVLD_EN(ES_AND_GS_AUTO));
894
895 WREG32(VGT_GS_VERTEX_REUSE, 16);
896 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
897
898 WREG32(CB_PERF_CTR0_SEL_0, 0);
899 WREG32(CB_PERF_CTR0_SEL_1, 0);
900 WREG32(CB_PERF_CTR1_SEL_0, 0);
901 WREG32(CB_PERF_CTR1_SEL_1, 0);
902 WREG32(CB_PERF_CTR2_SEL_0, 0);
903 WREG32(CB_PERF_CTR2_SEL_1, 0);
904 WREG32(CB_PERF_CTR3_SEL_0, 0);
905 WREG32(CB_PERF_CTR3_SEL_1, 0);
906
907 tmp = RREG32(HDP_MISC_CNTL);
908 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
909 WREG32(HDP_MISC_CNTL, tmp);
910
911 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
912 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
913
914 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
915
916 udelay(50);
917 }
918
919 /*
920 * GART
921 */
922 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
923 {
924 /* flush hdp cache */
925 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
926
927 /* bits 0-7 are the VM contexts0-7 */
928 WREG32(VM_INVALIDATE_REQUEST, 1);
929 }
930
931 int cayman_pcie_gart_enable(struct radeon_device *rdev)
932 {
933 int r;
934
935 if (rdev->gart.table.vram.robj == NULL) {
936 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
937 return -EINVAL;
938 }
939 r = radeon_gart_table_vram_pin(rdev);
940 if (r)
941 return r;
942 radeon_gart_restore(rdev);
943 /* Setup TLB control */
944 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB |
945 ENABLE_L1_FRAGMENT_PROCESSING |
946 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
947 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
948 /* Setup L2 cache */
949 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
950 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
951 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
952 EFFECTIVE_L2_QUEUE_SIZE(7) |
953 CONTEXT1_IDENTITY_ACCESS_MODE(1));
954 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
955 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
956 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
957 /* setup context0 */
958 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
959 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
960 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
961 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
962 (u32)(rdev->dummy_page.addr >> 12));
963 WREG32(VM_CONTEXT0_CNTL2, 0);
964 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
965 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
966 /* disable context1-7 */
967 WREG32(VM_CONTEXT1_CNTL2, 0);
968 WREG32(VM_CONTEXT1_CNTL, 0);
969
970 cayman_pcie_gart_tlb_flush(rdev);
971 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
972 (unsigned)(rdev->mc.gtt_size >> 20),
973 (unsigned long long)rdev->gart.table_addr);
974 rdev->gart.ready = true;
975 return 0;
976 }
977
978 void cayman_pcie_gart_disable(struct radeon_device *rdev)
979 {
980 int r;
981
982 /* Disable all tables */
983 WREG32(VM_CONTEXT0_CNTL, 0);
984 WREG32(VM_CONTEXT1_CNTL, 0);
985 /* Setup TLB control */
986 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
987 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
988 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
989 /* Setup L2 cache */
990 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
991 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
992 EFFECTIVE_L2_QUEUE_SIZE(7) |
993 CONTEXT1_IDENTITY_ACCESS_MODE(1));
994 WREG32(VM_L2_CNTL2, 0);
995 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
996 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
997 if (rdev->gart.table.vram.robj) {
998 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
999 if (likely(r == 0)) {
1000 radeon_bo_kunmap(rdev->gart.table.vram.robj);
1001 radeon_bo_unpin(rdev->gart.table.vram.robj);
1002 radeon_bo_unreserve(rdev->gart.table.vram.robj);
1003 }
1004 }
1005 }
1006
1007 void cayman_pcie_gart_fini(struct radeon_device *rdev)
1008 {
1009 cayman_pcie_gart_disable(rdev);
1010 radeon_gart_table_vram_free(rdev);
1011 radeon_gart_fini(rdev);
1012 }
1013
1014 /*
1015 * CP.
1016 */
1017 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1018 {
1019 if (enable)
1020 WREG32(CP_ME_CNTL, 0);
1021 else {
1022 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1023 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1024 WREG32(SCRATCH_UMSK, 0);
1025 }
1026 }
1027
1028 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1029 {
1030 const __be32 *fw_data;
1031 int i;
1032
1033 if (!rdev->me_fw || !rdev->pfp_fw)
1034 return -EINVAL;
1035
1036 cayman_cp_enable(rdev, false);
1037
1038 fw_data = (const __be32 *)rdev->pfp_fw->data;
1039 WREG32(CP_PFP_UCODE_ADDR, 0);
1040 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1041 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1042 WREG32(CP_PFP_UCODE_ADDR, 0);
1043
1044 fw_data = (const __be32 *)rdev->me_fw->data;
1045 WREG32(CP_ME_RAM_WADDR, 0);
1046 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1047 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1048
1049 WREG32(CP_PFP_UCODE_ADDR, 0);
1050 WREG32(CP_ME_RAM_WADDR, 0);
1051 WREG32(CP_ME_RAM_RADDR, 0);
1052 return 0;
1053 }
1054
1055 static int cayman_cp_start(struct radeon_device *rdev)
1056 {
1057 int r, i;
1058
1059 r = radeon_ring_lock(rdev, 7);
1060 if (r) {
1061 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1062 return r;
1063 }
1064 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
1065 radeon_ring_write(rdev, 0x1);
1066 radeon_ring_write(rdev, 0x0);
1067 radeon_ring_write(rdev, rdev->config.cayman.max_hw_contexts - 1);
1068 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1069 radeon_ring_write(rdev, 0);
1070 radeon_ring_write(rdev, 0);
1071 radeon_ring_unlock_commit(rdev);
1072
1073 cayman_cp_enable(rdev, true);
1074
1075 r = radeon_ring_lock(rdev, cayman_default_size + 19);
1076 if (r) {
1077 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1078 return r;
1079 }
1080
1081 /* setup clear context state */
1082 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1083 radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1084
1085 for (i = 0; i < cayman_default_size; i++)
1086 radeon_ring_write(rdev, cayman_default_state[i]);
1087
1088 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1089 radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);
1090
1091 /* set clear context state */
1092 radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
1093 radeon_ring_write(rdev, 0);
1094
1095 /* SQ_VTX_BASE_VTX_LOC */
1096 radeon_ring_write(rdev, 0xc0026f00);
1097 radeon_ring_write(rdev, 0x00000000);
1098 radeon_ring_write(rdev, 0x00000000);
1099 radeon_ring_write(rdev, 0x00000000);
1100
1101 /* Clear consts */
1102 radeon_ring_write(rdev, 0xc0036f00);
1103 radeon_ring_write(rdev, 0x00000bc4);
1104 radeon_ring_write(rdev, 0xffffffff);
1105 radeon_ring_write(rdev, 0xffffffff);
1106 radeon_ring_write(rdev, 0xffffffff);
1107
1108 radeon_ring_write(rdev, 0xc0026900);
1109 radeon_ring_write(rdev, 0x00000316);
1110 radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1111 radeon_ring_write(rdev, 0x00000010); /* */
1112
1113 radeon_ring_unlock_commit(rdev);
1114
1115 /* XXX init other rings */
1116
1117 return 0;
1118 }
1119
1120 static void cayman_cp_fini(struct radeon_device *rdev)
1121 {
1122 cayman_cp_enable(rdev, false);
1123 radeon_ring_fini(rdev);
1124 }
1125
1126 int cayman_cp_resume(struct radeon_device *rdev)
1127 {
1128 u32 tmp;
1129 u32 rb_bufsz;
1130 int r;
1131
1132 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1133 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1134 SOFT_RESET_PA |
1135 SOFT_RESET_SH |
1136 SOFT_RESET_VGT |
1137 SOFT_RESET_SPI |
1138 SOFT_RESET_SX));
1139 RREG32(GRBM_SOFT_RESET);
1140 mdelay(15);
1141 WREG32(GRBM_SOFT_RESET, 0);
1142 RREG32(GRBM_SOFT_RESET);
1143
1144 WREG32(CP_SEM_WAIT_TIMER, 0x4);
1145
1146 /* Set the write pointer delay */
1147 WREG32(CP_RB_WPTR_DELAY, 0);
1148
1149 WREG32(CP_DEBUG, (1 << 27));
1150
1151 /* ring 0 - compute and gfx */
1152 /* Set ring buffer size */
1153 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
1154 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1155 #ifdef __BIG_ENDIAN
1156 tmp |= BUF_SWAP_32BIT;
1157 #endif
1158 WREG32(CP_RB0_CNTL, tmp);
1159
1160 /* Initialize the ring buffer's read and write pointers */
1161 WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
1162 rdev->cp.wptr = 0;
1163 WREG32(CP_RB0_WPTR, rdev->cp.wptr);
1164
1165 /* set the wb address wether it's enabled or not */
1166 WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1167 WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1168 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1169
1170 if (rdev->wb.enabled)
1171 WREG32(SCRATCH_UMSK, 0xff);
1172 else {
1173 tmp |= RB_NO_UPDATE;
1174 WREG32(SCRATCH_UMSK, 0);
1175 }
1176
1177 mdelay(1);
1178 WREG32(CP_RB0_CNTL, tmp);
1179
1180 WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8);
1181
1182 rdev->cp.rptr = RREG32(CP_RB0_RPTR);
1183
1184 /* ring1 - compute only */
1185 /* Set ring buffer size */
1186 rb_bufsz = drm_order(rdev->cp1.ring_size / 8);
1187 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1188 #ifdef __BIG_ENDIAN
1189 tmp |= BUF_SWAP_32BIT;
1190 #endif
1191 WREG32(CP_RB1_CNTL, tmp);
1192
1193 /* Initialize the ring buffer's read and write pointers */
1194 WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
1195 rdev->cp1.wptr = 0;
1196 WREG32(CP_RB1_WPTR, rdev->cp1.wptr);
1197
1198 /* set the wb address wether it's enabled or not */
1199 WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
1200 WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
1201
1202 mdelay(1);
1203 WREG32(CP_RB1_CNTL, tmp);
1204
1205 WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8);
1206
1207 rdev->cp1.rptr = RREG32(CP_RB1_RPTR);
1208
1209 /* ring2 - compute only */
1210 /* Set ring buffer size */
1211 rb_bufsz = drm_order(rdev->cp2.ring_size / 8);
1212 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1213 #ifdef __BIG_ENDIAN
1214 tmp |= BUF_SWAP_32BIT;
1215 #endif
1216 WREG32(CP_RB2_CNTL, tmp);
1217
1218 /* Initialize the ring buffer's read and write pointers */
1219 WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
1220 rdev->cp2.wptr = 0;
1221 WREG32(CP_RB2_WPTR, rdev->cp2.wptr);
1222
1223 /* set the wb address wether it's enabled or not */
1224 WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
1225 WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
1226
1227 mdelay(1);
1228 WREG32(CP_RB2_CNTL, tmp);
1229
1230 WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8);
1231
1232 rdev->cp2.rptr = RREG32(CP_RB2_RPTR);
1233
1234 /* start the rings */
1235 cayman_cp_start(rdev);
1236 rdev->cp.ready = true;
1237 rdev->cp1.ready = true;
1238 rdev->cp2.ready = true;
1239 /* this only test cp0 */
1240 r = radeon_ring_test(rdev);
1241 if (r) {
1242 rdev->cp.ready = false;
1243 rdev->cp1.ready = false;
1244 rdev->cp2.ready = false;
1245 return r;
1246 }
1247
1248 return 0;
1249 }
1250
1251 bool cayman_gpu_is_lockup(struct radeon_device *rdev)
1252 {
1253 u32 srbm_status;
1254 u32 grbm_status;
1255 u32 grbm_status_se0, grbm_status_se1;
1256 struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup;
1257 int r;
1258
1259 srbm_status = RREG32(SRBM_STATUS);
1260 grbm_status = RREG32(GRBM_STATUS);
1261 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
1262 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
1263 if (!(grbm_status & GUI_ACTIVE)) {
1264 r100_gpu_lockup_update(lockup, &rdev->cp);
1265 return false;
1266 }
1267 /* force CP activities */
1268 r = radeon_ring_lock(rdev, 2);
1269 if (!r) {
1270 /* PACKET2 NOP */
1271 radeon_ring_write(rdev, 0x80000000);
1272 radeon_ring_write(rdev, 0x80000000);
1273 radeon_ring_unlock_commit(rdev);
1274 }
1275 /* XXX deal with CP0,1,2 */
1276 rdev->cp.rptr = RREG32(CP_RB0_RPTR);
1277 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1278 }
1279
1280 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1281 {
1282 struct evergreen_mc_save save;
1283 u32 grbm_reset = 0;
1284
1285 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1286 return 0;
1287
1288 dev_info(rdev->dev, "GPU softreset \n");
1289 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1290 RREG32(GRBM_STATUS));
1291 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1292 RREG32(GRBM_STATUS_SE0));
1293 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1294 RREG32(GRBM_STATUS_SE1));
1295 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1296 RREG32(SRBM_STATUS));
1297 evergreen_mc_stop(rdev, &save);
1298 if (evergreen_mc_wait_for_idle(rdev)) {
1299 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1300 }
1301 /* Disable CP parsing/prefetching */
1302 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1303
1304 /* reset all the gfx blocks */
1305 grbm_reset = (SOFT_RESET_CP |
1306 SOFT_RESET_CB |
1307 SOFT_RESET_DB |
1308 SOFT_RESET_GDS |
1309 SOFT_RESET_PA |
1310 SOFT_RESET_SC |
1311 SOFT_RESET_SPI |
1312 SOFT_RESET_SH |
1313 SOFT_RESET_SX |
1314 SOFT_RESET_TC |
1315 SOFT_RESET_TA |
1316 SOFT_RESET_VGT |
1317 SOFT_RESET_IA);
1318
1319 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1320 WREG32(GRBM_SOFT_RESET, grbm_reset);
1321 (void)RREG32(GRBM_SOFT_RESET);
1322 udelay(50);
1323 WREG32(GRBM_SOFT_RESET, 0);
1324 (void)RREG32(GRBM_SOFT_RESET);
1325 /* Wait a little for things to settle down */
1326 udelay(50);
1327 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1328 RREG32(GRBM_STATUS));
1329 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1330 RREG32(GRBM_STATUS_SE0));
1331 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1332 RREG32(GRBM_STATUS_SE1));
1333 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1334 RREG32(SRBM_STATUS));
1335 evergreen_mc_resume(rdev, &save);
1336 return 0;
1337 }
1338
1339 int cayman_asic_reset(struct radeon_device *rdev)
1340 {
1341 return cayman_gpu_soft_reset(rdev);
1342 }
1343
1344 static int cayman_startup(struct radeon_device *rdev)
1345 {
1346 int r;
1347
1348 /* enable pcie gen2 link */
1349 evergreen_pcie_gen2_enable(rdev);
1350
1351 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1352 r = ni_init_microcode(rdev);
1353 if (r) {
1354 DRM_ERROR("Failed to load firmware!\n");
1355 return r;
1356 }
1357 }
1358 r = ni_mc_load_microcode(rdev);
1359 if (r) {
1360 DRM_ERROR("Failed to load MC firmware!\n");
1361 return r;
1362 }
1363
1364 evergreen_mc_program(rdev);
1365 r = cayman_pcie_gart_enable(rdev);
1366 if (r)
1367 return r;
1368 cayman_gpu_init(rdev);
1369
1370 r = evergreen_blit_init(rdev);
1371 if (r) {
1372 r600_blit_fini(rdev);
1373 rdev->asic->copy = NULL;
1374 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1375 }
1376
1377 /* allocate wb buffer */
1378 r = radeon_wb_init(rdev);
1379 if (r)
1380 return r;
1381
1382 /* Enable IRQ */
1383 r = r600_irq_init(rdev);
1384 if (r) {
1385 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1386 radeon_irq_kms_fini(rdev);
1387 return r;
1388 }
1389 evergreen_irq_set(rdev);
1390
1391 r = radeon_ring_init(rdev, rdev->cp.ring_size);
1392 if (r)
1393 return r;
1394 r = cayman_cp_load_microcode(rdev);
1395 if (r)
1396 return r;
1397 r = cayman_cp_resume(rdev);
1398 if (r)
1399 return r;
1400
1401 return 0;
1402 }
1403
1404 int cayman_resume(struct radeon_device *rdev)
1405 {
1406 int r;
1407
1408 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1409 * posting will perform necessary task to bring back GPU into good
1410 * shape.
1411 */
1412 /* post card */
1413 atom_asic_init(rdev->mode_info.atom_context);
1414
1415 r = cayman_startup(rdev);
1416 if (r) {
1417 DRM_ERROR("cayman startup failed on resume\n");
1418 return r;
1419 }
1420
1421 r = r600_ib_test(rdev);
1422 if (r) {
1423 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1424 return r;
1425 }
1426
1427 return r;
1428
1429 }
1430
1431 int cayman_suspend(struct radeon_device *rdev)
1432 {
1433 /* FIXME: we should wait for ring to be empty */
1434 cayman_cp_enable(rdev, false);
1435 rdev->cp.ready = false;
1436 evergreen_irq_suspend(rdev);
1437 radeon_wb_disable(rdev);
1438 cayman_pcie_gart_disable(rdev);
1439 r600_blit_suspend(rdev);
1440
1441 return 0;
1442 }
1443
1444 /* Plan is to move initialization in that function and use
1445 * helper function so that radeon_device_init pretty much
1446 * do nothing more than calling asic specific function. This
1447 * should also allow to remove a bunch of callback function
1448 * like vram_info.
1449 */
1450 int cayman_init(struct radeon_device *rdev)
1451 {
1452 int r;
1453
1454 /* This don't do much */
1455 r = radeon_gem_init(rdev);
1456 if (r)
1457 return r;
1458 /* Read BIOS */
1459 if (!radeon_get_bios(rdev)) {
1460 if (ASIC_IS_AVIVO(rdev))
1461 return -EINVAL;
1462 }
1463 /* Must be an ATOMBIOS */
1464 if (!rdev->is_atom_bios) {
1465 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1466 return -EINVAL;
1467 }
1468 r = radeon_atombios_init(rdev);
1469 if (r)
1470 return r;
1471
1472 /* Post card if necessary */
1473 if (!radeon_card_posted(rdev)) {
1474 if (!rdev->bios) {
1475 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1476 return -EINVAL;
1477 }
1478 DRM_INFO("GPU not posted. posting now...\n");
1479 atom_asic_init(rdev->mode_info.atom_context);
1480 }
1481 /* Initialize scratch registers */
1482 r600_scratch_init(rdev);
1483 /* Initialize surface registers */
1484 radeon_surface_init(rdev);
1485 /* Initialize clocks */
1486 radeon_get_clock_info(rdev->ddev);
1487 /* Fence driver */
1488 r = radeon_fence_driver_init(rdev);
1489 if (r)
1490 return r;
1491 /* initialize memory controller */
1492 r = evergreen_mc_init(rdev);
1493 if (r)
1494 return r;
1495 /* Memory manager */
1496 r = radeon_bo_init(rdev);
1497 if (r)
1498 return r;
1499
1500 r = radeon_irq_kms_init(rdev);
1501 if (r)
1502 return r;
1503
1504 rdev->cp.ring_obj = NULL;
1505 r600_ring_init(rdev, 1024 * 1024);
1506
1507 rdev->ih.ring_obj = NULL;
1508 r600_ih_ring_init(rdev, 64 * 1024);
1509
1510 r = r600_pcie_gart_init(rdev);
1511 if (r)
1512 return r;
1513
1514 rdev->accel_working = true;
1515 r = cayman_startup(rdev);
1516 if (r) {
1517 dev_err(rdev->dev, "disabling GPU acceleration\n");
1518 cayman_cp_fini(rdev);
1519 r600_irq_fini(rdev);
1520 radeon_wb_fini(rdev);
1521 radeon_irq_kms_fini(rdev);
1522 cayman_pcie_gart_fini(rdev);
1523 rdev->accel_working = false;
1524 }
1525 if (rdev->accel_working) {
1526 r = radeon_ib_pool_init(rdev);
1527 if (r) {
1528 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
1529 rdev->accel_working = false;
1530 }
1531 r = r600_ib_test(rdev);
1532 if (r) {
1533 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1534 rdev->accel_working = false;
1535 }
1536 }
1537
1538 /* Don't start up if the MC ucode is missing.
1539 * The default clocks and voltages before the MC ucode
1540 * is loaded are not suffient for advanced operations.
1541 */
1542 if (!rdev->mc_fw) {
1543 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1544 return -EINVAL;
1545 }
1546
1547 return 0;
1548 }
1549
1550 void cayman_fini(struct radeon_device *rdev)
1551 {
1552 r600_blit_fini(rdev);
1553 cayman_cp_fini(rdev);
1554 r600_irq_fini(rdev);
1555 radeon_wb_fini(rdev);
1556 radeon_ib_pool_fini(rdev);
1557 radeon_irq_kms_fini(rdev);
1558 cayman_pcie_gart_fini(rdev);
1559 radeon_gem_fini(rdev);
1560 radeon_fence_driver_fini(rdev);
1561 radeon_bo_fini(rdev);
1562 radeon_atombios_fini(rdev);
1563 kfree(rdev->bios);
1564 rdev->bios = NULL;
1565 }
1566
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