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drm/radeon/kms: make sure pci max read request size is valid on evergreen+ (v2)
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / radeon / ni.c
blobcbf57d75d925be3c65f88738902091dc1cc8e7d0
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
44 #define EVERGREEN_PFP_UCODE_SIZE 1120
45 #define EVERGREEN_PM4_UCODE_SIZE 1376
46 #define EVERGREEN_RLC_UCODE_SIZE 768
47 #define BTC_MC_UCODE_SIZE 6024
48
49 #define CAYMAN_PFP_UCODE_SIZE 2176
50 #define CAYMAN_PM4_UCODE_SIZE 2176
51 #define CAYMAN_RLC_UCODE_SIZE 1024
52 #define CAYMAN_MC_UCODE_SIZE 6037
53
54 /* Firmware Names */
55 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
56 MODULE_FIRMWARE("radeon/BARTS_me.bin");
57 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
58 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
59 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
60 MODULE_FIRMWARE("radeon/TURKS_me.bin");
61 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
62 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
63 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
64 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
65 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
66 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
67 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
68 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
69
70 #define BTC_IO_MC_REGS_SIZE 29
71
72 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
73 {0x00000077, 0xff010100},
74 {0x00000078, 0x00000000},
75 {0x00000079, 0x00001434},
76 {0x0000007a, 0xcc08ec08},
77 {0x0000007b, 0x00040000},
78 {0x0000007c, 0x000080c0},
79 {0x0000007d, 0x09000000},
80 {0x0000007e, 0x00210404},
81 {0x00000081, 0x08a8e800},
82 {0x00000082, 0x00030444},
83 {0x00000083, 0x00000000},
84 {0x00000085, 0x00000001},
85 {0x00000086, 0x00000002},
86 {0x00000087, 0x48490000},
87 {0x00000088, 0x20244647},
88 {0x00000089, 0x00000005},
89 {0x0000008b, 0x66030000},
90 {0x0000008c, 0x00006603},
91 {0x0000008d, 0x00000100},
92 {0x0000008f, 0x00001c0a},
93 {0x00000090, 0xff000001},
94 {0x00000094, 0x00101101},
95 {0x00000095, 0x00000fff},
96 {0x00000096, 0x00116fff},
97 {0x00000097, 0x60010000},
98 {0x00000098, 0x10010000},
99 {0x00000099, 0x00006000},
100 {0x0000009a, 0x00001000},
101 {0x0000009f, 0x00946a00}
102 };
103
104 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
105 {0x00000077, 0xff010100},
106 {0x00000078, 0x00000000},
107 {0x00000079, 0x00001434},
108 {0x0000007a, 0xcc08ec08},
109 {0x0000007b, 0x00040000},
110 {0x0000007c, 0x000080c0},
111 {0x0000007d, 0x09000000},
112 {0x0000007e, 0x00210404},
113 {0x00000081, 0x08a8e800},
114 {0x00000082, 0x00030444},
115 {0x00000083, 0x00000000},
116 {0x00000085, 0x00000001},
117 {0x00000086, 0x00000002},
118 {0x00000087, 0x48490000},
119 {0x00000088, 0x20244647},
120 {0x00000089, 0x00000005},
121 {0x0000008b, 0x66030000},
122 {0x0000008c, 0x00006603},
123 {0x0000008d, 0x00000100},
124 {0x0000008f, 0x00001c0a},
125 {0x00000090, 0xff000001},
126 {0x00000094, 0x00101101},
127 {0x00000095, 0x00000fff},
128 {0x00000096, 0x00116fff},
129 {0x00000097, 0x60010000},
130 {0x00000098, 0x10010000},
131 {0x00000099, 0x00006000},
132 {0x0000009a, 0x00001000},
133 {0x0000009f, 0x00936a00}
134 };
135
136 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
137 {0x00000077, 0xff010100},
138 {0x00000078, 0x00000000},
139 {0x00000079, 0x00001434},
140 {0x0000007a, 0xcc08ec08},
141 {0x0000007b, 0x00040000},
142 {0x0000007c, 0x000080c0},
143 {0x0000007d, 0x09000000},
144 {0x0000007e, 0x00210404},
145 {0x00000081, 0x08a8e800},
146 {0x00000082, 0x00030444},
147 {0x00000083, 0x00000000},
148 {0x00000085, 0x00000001},
149 {0x00000086, 0x00000002},
150 {0x00000087, 0x48490000},
151 {0x00000088, 0x20244647},
152 {0x00000089, 0x00000005},
153 {0x0000008b, 0x66030000},
154 {0x0000008c, 0x00006603},
155 {0x0000008d, 0x00000100},
156 {0x0000008f, 0x00001c0a},
157 {0x00000090, 0xff000001},
158 {0x00000094, 0x00101101},
159 {0x00000095, 0x00000fff},
160 {0x00000096, 0x00116fff},
161 {0x00000097, 0x60010000},
162 {0x00000098, 0x10010000},
163 {0x00000099, 0x00006000},
164 {0x0000009a, 0x00001000},
165 {0x0000009f, 0x00916a00}
166 };
167
168 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
169 {0x00000077, 0xff010100},
170 {0x00000078, 0x00000000},
171 {0x00000079, 0x00001434},
172 {0x0000007a, 0xcc08ec08},
173 {0x0000007b, 0x00040000},
174 {0x0000007c, 0x000080c0},
175 {0x0000007d, 0x09000000},
176 {0x0000007e, 0x00210404},
177 {0x00000081, 0x08a8e800},
178 {0x00000082, 0x00030444},
179 {0x00000083, 0x00000000},
180 {0x00000085, 0x00000001},
181 {0x00000086, 0x00000002},
182 {0x00000087, 0x48490000},
183 {0x00000088, 0x20244647},
184 {0x00000089, 0x00000005},
185 {0x0000008b, 0x66030000},
186 {0x0000008c, 0x00006603},
187 {0x0000008d, 0x00000100},
188 {0x0000008f, 0x00001c0a},
189 {0x00000090, 0xff000001},
190 {0x00000094, 0x00101101},
191 {0x00000095, 0x00000fff},
192 {0x00000096, 0x00116fff},
193 {0x00000097, 0x60010000},
194 {0x00000098, 0x10010000},
195 {0x00000099, 0x00006000},
196 {0x0000009a, 0x00001000},
197 {0x0000009f, 0x00976b00}
198 };
199
200 int ni_mc_load_microcode(struct radeon_device *rdev)
201 {
202 const __be32 *fw_data;
203 u32 mem_type, running, blackout = 0;
204 u32 *io_mc_regs;
205 int i, ucode_size, regs_size;
206
207 if (!rdev->mc_fw)
208 return -EINVAL;
209
210 switch (rdev->family) {
211 case CHIP_BARTS:
212 io_mc_regs = (u32 *)&barts_io_mc_regs;
213 ucode_size = BTC_MC_UCODE_SIZE;
214 regs_size = BTC_IO_MC_REGS_SIZE;
215 break;
216 case CHIP_TURKS:
217 io_mc_regs = (u32 *)&turks_io_mc_regs;
218 ucode_size = BTC_MC_UCODE_SIZE;
219 regs_size = BTC_IO_MC_REGS_SIZE;
220 break;
221 case CHIP_CAICOS:
222 default:
223 io_mc_regs = (u32 *)&caicos_io_mc_regs;
224 ucode_size = BTC_MC_UCODE_SIZE;
225 regs_size = BTC_IO_MC_REGS_SIZE;
226 break;
227 case CHIP_CAYMAN:
228 io_mc_regs = (u32 *)&cayman_io_mc_regs;
229 ucode_size = CAYMAN_MC_UCODE_SIZE;
230 regs_size = BTC_IO_MC_REGS_SIZE;
231 break;
232 }
233
234 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
235 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
236
237 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
238 if (running) {
239 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
240 WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
241 }
242
243 /* reset the engine and set to writable */
244 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
245 WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
246
247 /* load mc io regs */
248 for (i = 0; i < regs_size; i++) {
249 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
250 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
251 }
252 /* load the MC ucode */
253 fw_data = (const __be32 *)rdev->mc_fw->data;
254 for (i = 0; i < ucode_size; i++)
255 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
256
257 /* put the engine back into the active state */
258 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
259 WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
260 WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
261
262 /* wait for training to complete */
263 while (!(RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD))
264 udelay(10);
265
266 if (running)
267 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
268 }
269
270 return 0;
271 }
272
273 int ni_init_microcode(struct radeon_device *rdev)
274 {
275 struct platform_device *pdev;
276 const char *chip_name;
277 const char *rlc_chip_name;
278 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
279 char fw_name[30];
280 int err;
281
282 DRM_DEBUG("\n");
283
284 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
285 err = IS_ERR(pdev);
286 if (err) {
287 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
288 return -EINVAL;
289 }
290
291 switch (rdev->family) {
292 case CHIP_BARTS:
293 chip_name = "BARTS";
294 rlc_chip_name = "BTC";
295 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
296 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
297 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
298 mc_req_size = BTC_MC_UCODE_SIZE * 4;
299 break;
300 case CHIP_TURKS:
301 chip_name = "TURKS";
302 rlc_chip_name = "BTC";
303 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
304 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
305 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
306 mc_req_size = BTC_MC_UCODE_SIZE * 4;
307 break;
308 case CHIP_CAICOS:
309 chip_name = "CAICOS";
310 rlc_chip_name = "BTC";
311 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
312 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
313 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
314 mc_req_size = BTC_MC_UCODE_SIZE * 4;
315 break;
316 case CHIP_CAYMAN:
317 chip_name = "CAYMAN";
318 rlc_chip_name = "CAYMAN";
319 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
320 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
321 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
322 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
323 break;
324 default: BUG();
325 }
326
327 DRM_INFO("Loading %s Microcode\n", chip_name);
328
329 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
330 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
331 if (err)
332 goto out;
333 if (rdev->pfp_fw->size != pfp_req_size) {
334 printk(KERN_ERR
335 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
336 rdev->pfp_fw->size, fw_name);
337 err = -EINVAL;
338 goto out;
339 }
340
341 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
342 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
343 if (err)
344 goto out;
345 if (rdev->me_fw->size != me_req_size) {
346 printk(KERN_ERR
347 "ni_cp: Bogus length %zu in firmware \"%s\"\n",
348 rdev->me_fw->size, fw_name);
349 err = -EINVAL;
350 }
351
352 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
353 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
354 if (err)
355 goto out;
356 if (rdev->rlc_fw->size != rlc_req_size) {
357 printk(KERN_ERR
358 "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
359 rdev->rlc_fw->size, fw_name);
360 err = -EINVAL;
361 }
362
363 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
364 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
365 if (err)
366 goto out;
367 if (rdev->mc_fw->size != mc_req_size) {
368 printk(KERN_ERR
369 "ni_mc: Bogus length %zu in firmware \"%s\"\n",
370 rdev->mc_fw->size, fw_name);
371 err = -EINVAL;
372 }
373 out:
374 platform_device_unregister(pdev);
375
376 if (err) {
377 if (err != -EINVAL)
378 printk(KERN_ERR
379 "ni_cp: Failed to load firmware \"%s\"\n",
380 fw_name);
381 release_firmware(rdev->pfp_fw);
382 rdev->pfp_fw = NULL;
383 release_firmware(rdev->me_fw);
384 rdev->me_fw = NULL;
385 release_firmware(rdev->rlc_fw);
386 rdev->rlc_fw = NULL;
387 release_firmware(rdev->mc_fw);
388 rdev->mc_fw = NULL;
389 }
390 return err;
391 }
392
393 /*
394 * Core functions
395 */
396 static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
397 u32 num_tile_pipes,
398 u32 num_backends_per_asic,
399 u32 *backend_disable_mask_per_asic,
400 u32 num_shader_engines)
401 {
402 u32 backend_map = 0;
403 u32 enabled_backends_mask = 0;
404 u32 enabled_backends_count = 0;
405 u32 num_backends_per_se;
406 u32 cur_pipe;
407 u32 swizzle_pipe[CAYMAN_MAX_PIPES];
408 u32 cur_backend = 0;
409 u32 i;
410 bool force_no_swizzle;
411
412 /* force legal values */
413 if (num_tile_pipes < 1)
414 num_tile_pipes = 1;
415 if (num_tile_pipes > rdev->config.cayman.max_tile_pipes)
416 num_tile_pipes = rdev->config.cayman.max_tile_pipes;
417 if (num_shader_engines < 1)
418 num_shader_engines = 1;
419 if (num_shader_engines > rdev->config.cayman.max_shader_engines)
420 num_shader_engines = rdev->config.cayman.max_shader_engines;
421 if (num_backends_per_asic < num_shader_engines)
422 num_backends_per_asic = num_shader_engines;
423 if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
424 num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;
425
426 /* make sure we have the same number of backends per se */
427 num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines);
428 /* set up the number of backends per se */
429 num_backends_per_se = num_backends_per_asic / num_shader_engines;
430 if (num_backends_per_se > rdev->config.cayman.max_backends_per_se) {
431 num_backends_per_se = rdev->config.cayman.max_backends_per_se;
432 num_backends_per_asic = num_backends_per_se * num_shader_engines;
433 }
434
435 /* create enable mask and count for enabled backends */
436 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
437 if (((*backend_disable_mask_per_asic >> i) & 1) == 0) {
438 enabled_backends_mask |= (1 << i);
439 ++enabled_backends_count;
440 }
441 if (enabled_backends_count == num_backends_per_asic)
442 break;
443 }
444
445 /* force the backends mask to match the current number of backends */
446 if (enabled_backends_count != num_backends_per_asic) {
447 u32 this_backend_enabled;
448 u32 shader_engine;
449 u32 backend_per_se;
450
451 enabled_backends_mask = 0;
452 enabled_backends_count = 0;
453 *backend_disable_mask_per_asic = CAYMAN_MAX_BACKENDS_MASK;
454 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
455 /* calc the current se */
456 shader_engine = i / rdev->config.cayman.max_backends_per_se;
457 /* calc the backend per se */
458 backend_per_se = i % rdev->config.cayman.max_backends_per_se;
459 /* default to not enabled */
460 this_backend_enabled = 0;
461 if ((shader_engine < num_shader_engines) &&
462 (backend_per_se < num_backends_per_se))
463 this_backend_enabled = 1;
464 if (this_backend_enabled) {
465 enabled_backends_mask |= (1 << i);
466 *backend_disable_mask_per_asic &= ~(1 << i);
467 ++enabled_backends_count;
468 }
469 }
470 }
471
472
473 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * CAYMAN_MAX_PIPES);
474 switch (rdev->family) {
475 case CHIP_CAYMAN:
476 force_no_swizzle = true;
477 break;
478 default:
479 force_no_swizzle = false;
480 break;
481 }
482 if (force_no_swizzle) {
483 bool last_backend_enabled = false;
484
485 force_no_swizzle = false;
486 for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) {
487 if (((enabled_backends_mask >> i) & 1) == 1) {
488 if (last_backend_enabled)
489 force_no_swizzle = true;
490 last_backend_enabled = true;
491 } else
492 last_backend_enabled = false;
493 }
494 }
495
496 switch (num_tile_pipes) {
497 case 1:
498 case 3:
499 case 5:
500 case 7:
501 DRM_ERROR("odd number of pipes!\n");
502 break;
503 case 2:
504 swizzle_pipe[0] = 0;
505 swizzle_pipe[1] = 1;
506 break;
507 case 4:
508 if (force_no_swizzle) {
509 swizzle_pipe[0] = 0;
510 swizzle_pipe[1] = 1;
511 swizzle_pipe[2] = 2;
512 swizzle_pipe[3] = 3;
513 } else {
514 swizzle_pipe[0] = 0;
515 swizzle_pipe[1] = 2;
516 swizzle_pipe[2] = 1;
517 swizzle_pipe[3] = 3;
518 }
519 break;
520 case 6:
521 if (force_no_swizzle) {
522 swizzle_pipe[0] = 0;
523 swizzle_pipe[1] = 1;
524 swizzle_pipe[2] = 2;
525 swizzle_pipe[3] = 3;
526 swizzle_pipe[4] = 4;
527 swizzle_pipe[5] = 5;
528 } else {
529 swizzle_pipe[0] = 0;
530 swizzle_pipe[1] = 2;
531 swizzle_pipe[2] = 4;
532 swizzle_pipe[3] = 1;
533 swizzle_pipe[4] = 3;
534 swizzle_pipe[5] = 5;
535 }
536 break;
537 case 8:
538 if (force_no_swizzle) {
539 swizzle_pipe[0] = 0;
540 swizzle_pipe[1] = 1;
541 swizzle_pipe[2] = 2;
542 swizzle_pipe[3] = 3;
543 swizzle_pipe[4] = 4;
544 swizzle_pipe[5] = 5;
545 swizzle_pipe[6] = 6;
546 swizzle_pipe[7] = 7;
547 } else {
548 swizzle_pipe[0] = 0;
549 swizzle_pipe[1] = 2;
550 swizzle_pipe[2] = 4;
551 swizzle_pipe[3] = 6;
552 swizzle_pipe[4] = 1;
553 swizzle_pipe[5] = 3;
554 swizzle_pipe[6] = 5;
555 swizzle_pipe[7] = 7;
556 }
557 break;
558 }
559
560 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
561 while (((1 << cur_backend) & enabled_backends_mask) == 0)
562 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
563
564 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
565
566 cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS;
567 }
568
569 return backend_map;
570 }
571
572 static void cayman_program_channel_remap(struct radeon_device *rdev)
573 {
574 u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
575
576 tmp = RREG32(MC_SHARED_CHMAP);
577 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
578 case 0:
579 case 1:
580 case 2:
581 case 3:
582 default:
583 /* default mapping */
584 mc_shared_chremap = 0x00fac688;
585 break;
586 }
587
588 switch (rdev->family) {
589 case CHIP_CAYMAN:
590 default:
591 //tcp_chan_steer_lo = 0x54763210
592 tcp_chan_steer_lo = 0x76543210;
593 tcp_chan_steer_hi = 0x0000ba98;
594 break;
595 }
596
597 WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
598 WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
599 WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
600 }
601
602 static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
603 u32 disable_mask_per_se,
604 u32 max_disable_mask_per_se,
605 u32 num_shader_engines)
606 {
607 u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se);
608 u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se;
609
610 if (num_shader_engines == 1)
611 return disable_mask_per_asic;
612 else if (num_shader_engines == 2)
613 return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se);
614 else
615 return 0xffffffff;
616 }
617
618 static void cayman_gpu_init(struct radeon_device *rdev)
619 {
620 u32 cc_rb_backend_disable = 0;
621 u32 cc_gc_shader_pipe_config;
622 u32 gb_addr_config = 0;
623 u32 mc_shared_chmap, mc_arb_ramcfg;
624 u32 gb_backend_map;
625 u32 cgts_tcc_disable;
626 u32 sx_debug_1;
627 u32 smx_dc_ctl0;
628 u32 gc_user_shader_pipe_config;
629 u32 gc_user_rb_backend_disable;
630 u32 cgts_user_tcc_disable;
631 u32 cgts_sm_ctrl_reg;
632 u32 hdp_host_path_cntl;
633 u32 tmp;
634 int i, j;
635
636 switch (rdev->family) {
637 case CHIP_CAYMAN:
638 default:
639 rdev->config.cayman.max_shader_engines = 2;
640 rdev->config.cayman.max_pipes_per_simd = 4;
641 rdev->config.cayman.max_tile_pipes = 8;
642 rdev->config.cayman.max_simds_per_se = 12;
643 rdev->config.cayman.max_backends_per_se = 4;
644 rdev->config.cayman.max_texture_channel_caches = 8;
645 rdev->config.cayman.max_gprs = 256;
646 rdev->config.cayman.max_threads = 256;
647 rdev->config.cayman.max_gs_threads = 32;
648 rdev->config.cayman.max_stack_entries = 512;
649 rdev->config.cayman.sx_num_of_sets = 8;
650 rdev->config.cayman.sx_max_export_size = 256;
651 rdev->config.cayman.sx_max_export_pos_size = 64;
652 rdev->config.cayman.sx_max_export_smx_size = 192;
653 rdev->config.cayman.max_hw_contexts = 8;
654 rdev->config.cayman.sq_num_cf_insts = 2;
655
656 rdev->config.cayman.sc_prim_fifo_size = 0x100;
657 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
658 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
659 break;
660 }
661
662 /* Initialize HDP */
663 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
664 WREG32((0x2c14 + j), 0x00000000);
665 WREG32((0x2c18 + j), 0x00000000);
666 WREG32((0x2c1c + j), 0x00000000);
667 WREG32((0x2c20 + j), 0x00000000);
668 WREG32((0x2c24 + j), 0x00000000);
669 }
670
671 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
672
673 evergreen_fix_pci_max_read_req_size(rdev);
674
675 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
676 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
677
678 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE);
679 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
680 cgts_tcc_disable = 0xff000000;
681 gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE);
682 gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG);
683 cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE);
684
685 rdev->config.cayman.num_shader_engines = rdev->config.cayman.max_shader_engines;
686 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
687 rdev->config.cayman.num_shader_pipes_per_simd = r600_count_pipe_bits(tmp);
688 rdev->config.cayman.num_tile_pipes = rdev->config.cayman.max_tile_pipes;
689 tmp = ((~gc_user_shader_pipe_config) & INACTIVE_SIMDS_MASK) >> INACTIVE_SIMDS_SHIFT;
690 rdev->config.cayman.num_simds_per_se = r600_count_pipe_bits(tmp);
691 tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
692 rdev->config.cayman.num_backends_per_se = r600_count_pipe_bits(tmp);
693 tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT;
694 rdev->config.cayman.backend_disable_mask_per_asic =
695 cayman_get_disable_mask_per_asic(rdev, tmp, CAYMAN_MAX_BACKENDS_PER_SE_MASK,
696 rdev->config.cayman.num_shader_engines);
697 rdev->config.cayman.backend_map =
698 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
699 rdev->config.cayman.num_backends_per_se *
700 rdev->config.cayman.num_shader_engines,
701 &rdev->config.cayman.backend_disable_mask_per_asic,
702 rdev->config.cayman.num_shader_engines);
703 tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT;
704 rdev->config.cayman.num_texture_channel_caches = r600_count_pipe_bits(tmp);
705 tmp = (mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT;
706 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
707 if (rdev->config.cayman.mem_max_burst_length_bytes > 512)
708 rdev->config.cayman.mem_max_burst_length_bytes = 512;
709 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
710 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
711 if (rdev->config.cayman.mem_row_size_in_kb > 4)
712 rdev->config.cayman.mem_row_size_in_kb = 4;
713 /* XXX use MC settings? */
714 rdev->config.cayman.shader_engine_tile_size = 32;
715 rdev->config.cayman.num_gpus = 1;
716 rdev->config.cayman.multi_gpu_tile_size = 64;
717
718 //gb_addr_config = 0x02011003
719 #if 0
720 gb_addr_config = RREG32(GB_ADDR_CONFIG);
721 #else
722 gb_addr_config = 0;
723 switch (rdev->config.cayman.num_tile_pipes) {
724 case 1:
725 default:
726 gb_addr_config |= NUM_PIPES(0);
727 break;
728 case 2:
729 gb_addr_config |= NUM_PIPES(1);
730 break;
731 case 4:
732 gb_addr_config |= NUM_PIPES(2);
733 break;
734 case 8:
735 gb_addr_config |= NUM_PIPES(3);
736 break;
737 }
738
739 tmp = (rdev->config.cayman.mem_max_burst_length_bytes / 256) - 1;
740 gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp);
741 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.cayman.num_shader_engines - 1);
742 tmp = (rdev->config.cayman.shader_engine_tile_size / 16) - 1;
743 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp);
744 switch (rdev->config.cayman.num_gpus) {
745 case 1:
746 default:
747 gb_addr_config |= NUM_GPUS(0);
748 break;
749 case 2:
750 gb_addr_config |= NUM_GPUS(1);
751 break;
752 case 4:
753 gb_addr_config |= NUM_GPUS(2);
754 break;
755 }
756 switch (rdev->config.cayman.multi_gpu_tile_size) {
757 case 16:
758 gb_addr_config |= MULTI_GPU_TILE_SIZE(0);
759 break;
760 case 32:
761 default:
762 gb_addr_config |= MULTI_GPU_TILE_SIZE(1);
763 break;
764 case 64:
765 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
766 break;
767 case 128:
768 gb_addr_config |= MULTI_GPU_TILE_SIZE(3);
769 break;
770 }
771 switch (rdev->config.cayman.mem_row_size_in_kb) {
772 case 1:
773 default:
774 gb_addr_config |= ROW_SIZE(0);
775 break;
776 case 2:
777 gb_addr_config |= ROW_SIZE(1);
778 break;
779 case 4:
780 gb_addr_config |= ROW_SIZE(2);
781 break;
782 }
783 #endif
784
785 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
786 rdev->config.cayman.num_tile_pipes = (1 << tmp);
787 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
788 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
789 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
790 rdev->config.cayman.num_shader_engines = tmp + 1;
791 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
792 rdev->config.cayman.num_gpus = tmp + 1;
793 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
794 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
795 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
796 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
797
798 //gb_backend_map = 0x76541032;
799 #if 0
800 gb_backend_map = RREG32(GB_BACKEND_MAP);
801 #else
802 gb_backend_map =
803 cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes,
804 rdev->config.cayman.num_backends_per_se *
805 rdev->config.cayman.num_shader_engines,
806 &rdev->config.cayman.backend_disable_mask_per_asic,
807 rdev->config.cayman.num_shader_engines);
808 #endif
809 /* setup tiling info dword. gb_addr_config is not adequate since it does
810 * not have bank info, so create a custom tiling dword.
811 * bits 3:0 num_pipes
812 * bits 7:4 num_banks
813 * bits 11:8 group_size
814 * bits 15:12 row_size
815 */
816 rdev->config.cayman.tile_config = 0;
817 switch (rdev->config.cayman.num_tile_pipes) {
818 case 1:
819 default:
820 rdev->config.cayman.tile_config |= (0 << 0);
821 break;
822 case 2:
823 rdev->config.cayman.tile_config |= (1 << 0);
824 break;
825 case 4:
826 rdev->config.cayman.tile_config |= (2 << 0);
827 break;
828 case 8:
829 rdev->config.cayman.tile_config |= (3 << 0);
830 break;
831 }
832 rdev->config.cayman.tile_config |=
833 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
834 rdev->config.cayman.tile_config |=
835 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
836 rdev->config.cayman.tile_config |=
837 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
838
839 rdev->config.cayman.backend_map = gb_backend_map;
840 WREG32(GB_BACKEND_MAP, gb_backend_map);
841 WREG32(GB_ADDR_CONFIG, gb_addr_config);
842 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
843 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
844
845 cayman_program_channel_remap(rdev);
846
847 /* primary versions */
848 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
849 WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
850 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
851
852 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
853 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
854
855 /* user versions */
856 WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable);
857 WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
858 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
859
860 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
861 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
862
863 /* reprogram the shader complex */
864 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
865 for (i = 0; i < 16; i++)
866 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
867 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
868
869 /* set HW defaults for 3D engine */
870 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
871
872 sx_debug_1 = RREG32(SX_DEBUG_1);
873 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
874 WREG32(SX_DEBUG_1, sx_debug_1);
875
876 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
877 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
878 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
879 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
880
881 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
882
883 /* need to be explicitly zero-ed */
884 WREG32(VGT_OFFCHIP_LDS_BASE, 0);
885 WREG32(SQ_LSTMP_RING_BASE, 0);
886 WREG32(SQ_HSTMP_RING_BASE, 0);
887 WREG32(SQ_ESTMP_RING_BASE, 0);
888 WREG32(SQ_GSTMP_RING_BASE, 0);
889 WREG32(SQ_VSTMP_RING_BASE, 0);
890 WREG32(SQ_PSTMP_RING_BASE, 0);
891
892 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
893
894 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
895 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
896 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
897
898 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
899 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
900 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
901
902
903 WREG32(VGT_NUM_INSTANCES, 1);
904
905 WREG32(CP_PERFMON_CNTL, 0);
906
907 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
908 FETCH_FIFO_HIWATER(0x4) |
909 DONE_FIFO_HIWATER(0xe0) |
910 ALU_UPDATE_FIFO_HIWATER(0x8)));
911
912 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
913 WREG32(SQ_CONFIG, (VC_ENABLE |
914 EXPORT_SRC_C |
915 GFX_PRIO(0) |
916 CS1_PRIO(0) |
917 CS2_PRIO(1)));
918 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
919
920 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
921 FORCE_EOV_MAX_REZ_CNT(255)));
922
923 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
924 AUTO_INVLD_EN(ES_AND_GS_AUTO));
925
926 WREG32(VGT_GS_VERTEX_REUSE, 16);
927 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
928
929 WREG32(CB_PERF_CTR0_SEL_0, 0);
930 WREG32(CB_PERF_CTR0_SEL_1, 0);
931 WREG32(CB_PERF_CTR1_SEL_0, 0);
932 WREG32(CB_PERF_CTR1_SEL_1, 0);
933 WREG32(CB_PERF_CTR2_SEL_0, 0);
934 WREG32(CB_PERF_CTR2_SEL_1, 0);
935 WREG32(CB_PERF_CTR3_SEL_0, 0);
936 WREG32(CB_PERF_CTR3_SEL_1, 0);
937
938 tmp = RREG32(HDP_MISC_CNTL);
939 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
940 WREG32(HDP_MISC_CNTL, tmp);
941
942 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
943 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
944
945 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
946
947 udelay(50);
948 }
949
950 /*
951 * GART
952 */
953 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
954 {
955 /* flush hdp cache */
956 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
957
958 /* bits 0-7 are the VM contexts0-7 */
959 WREG32(VM_INVALIDATE_REQUEST, 1);
960 }
961
962 int cayman_pcie_gart_enable(struct radeon_device *rdev)
963 {
964 int r;
965
966 if (rdev->gart.table.vram.robj == NULL) {
967 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
968 return -EINVAL;
969 }
970 r = radeon_gart_table_vram_pin(rdev);
971 if (r)
972 return r;
973 radeon_gart_restore(rdev);
974 /* Setup TLB control */
975 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB |
976 ENABLE_L1_FRAGMENT_PROCESSING |
977 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
978 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
979 /* Setup L2 cache */
980 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
981 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
982 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
983 EFFECTIVE_L2_QUEUE_SIZE(7) |
984 CONTEXT1_IDENTITY_ACCESS_MODE(1));
985 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
986 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
987 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
988 /* setup context0 */
989 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
990 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
991 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
992 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
993 (u32)(rdev->dummy_page.addr >> 12));
994 WREG32(VM_CONTEXT0_CNTL2, 0);
995 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
996 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
997 /* disable context1-7 */
998 WREG32(VM_CONTEXT1_CNTL2, 0);
999 WREG32(VM_CONTEXT1_CNTL, 0);
1000
1001 cayman_pcie_gart_tlb_flush(rdev);
1002 rdev->gart.ready = true;
1003 return 0;
1004 }
1005
1006 void cayman_pcie_gart_disable(struct radeon_device *rdev)
1007 {
1008 int r;
1009
1010 /* Disable all tables */
1011 WREG32(VM_CONTEXT0_CNTL, 0);
1012 WREG32(VM_CONTEXT1_CNTL, 0);
1013 /* Setup TLB control */
1014 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1015 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1016 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1017 /* Setup L2 cache */
1018 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1019 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1020 EFFECTIVE_L2_QUEUE_SIZE(7) |
1021 CONTEXT1_IDENTITY_ACCESS_MODE(1));
1022 WREG32(VM_L2_CNTL2, 0);
1023 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1024 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1025 if (rdev->gart.table.vram.robj) {
1026 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
1027 if (likely(r == 0)) {
1028 radeon_bo_kunmap(rdev->gart.table.vram.robj);
1029 radeon_bo_unpin(rdev->gart.table.vram.robj);
1030 radeon_bo_unreserve(rdev->gart.table.vram.robj);
1031 }
1032 }
1033 }
1034
1035 void cayman_pcie_gart_fini(struct radeon_device *rdev)
1036 {
1037 cayman_pcie_gart_disable(rdev);
1038 radeon_gart_table_vram_free(rdev);
1039 radeon_gart_fini(rdev);
1040 }
1041
1042 /*
1043 * CP.
1044 */
1045 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1046 {
1047 if (enable)
1048 WREG32(CP_ME_CNTL, 0);
1049 else {
1050 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1051 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1052 WREG32(SCRATCH_UMSK, 0);
1053 }
1054 }
1055
1056 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1057 {
1058 const __be32 *fw_data;
1059 int i;
1060
1061 if (!rdev->me_fw || !rdev->pfp_fw)
1062 return -EINVAL;
1063
1064 cayman_cp_enable(rdev, false);
1065
1066 fw_data = (const __be32 *)rdev->pfp_fw->data;
1067 WREG32(CP_PFP_UCODE_ADDR, 0);
1068 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1069 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1070 WREG32(CP_PFP_UCODE_ADDR, 0);
1071
1072 fw_data = (const __be32 *)rdev->me_fw->data;
1073 WREG32(CP_ME_RAM_WADDR, 0);
1074 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1075 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1076
1077 WREG32(CP_PFP_UCODE_ADDR, 0);
1078 WREG32(CP_ME_RAM_WADDR, 0);
1079 WREG32(CP_ME_RAM_RADDR, 0);
1080 return 0;
1081 }
1082
1083 static int cayman_cp_start(struct radeon_device *rdev)
1084 {
1085 int r, i;
1086
1087 r = radeon_ring_lock(rdev, 7);
1088 if (r) {
1089 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1090 return r;
1091 }
1092 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
1093 radeon_ring_write(rdev, 0x1);
1094 radeon_ring_write(rdev, 0x0);
1095 radeon_ring_write(rdev, rdev->config.cayman.max_hw_contexts - 1);
1096 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1097 radeon_ring_write(rdev, 0);
1098 radeon_ring_write(rdev, 0);
1099 radeon_ring_unlock_commit(rdev);
1100
1101 cayman_cp_enable(rdev, true);
1102
1103 r = radeon_ring_lock(rdev, cayman_default_size + 19);
1104 if (r) {
1105 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1106 return r;
1107 }
1108
1109 /* setup clear context state */
1110 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1111 radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1112
1113 for (i = 0; i < cayman_default_size; i++)
1114 radeon_ring_write(rdev, cayman_default_state[i]);
1115
1116 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1117 radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);
1118
1119 /* set clear context state */
1120 radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
1121 radeon_ring_write(rdev, 0);
1122
1123 /* SQ_VTX_BASE_VTX_LOC */
1124 radeon_ring_write(rdev, 0xc0026f00);
1125 radeon_ring_write(rdev, 0x00000000);
1126 radeon_ring_write(rdev, 0x00000000);
1127 radeon_ring_write(rdev, 0x00000000);
1128
1129 /* Clear consts */
1130 radeon_ring_write(rdev, 0xc0036f00);
1131 radeon_ring_write(rdev, 0x00000bc4);
1132 radeon_ring_write(rdev, 0xffffffff);
1133 radeon_ring_write(rdev, 0xffffffff);
1134 radeon_ring_write(rdev, 0xffffffff);
1135
1136 radeon_ring_write(rdev, 0xc0026900);
1137 radeon_ring_write(rdev, 0x00000316);
1138 radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1139 radeon_ring_write(rdev, 0x00000010); /* */
1140
1141 radeon_ring_unlock_commit(rdev);
1142
1143 /* XXX init other rings */
1144
1145 return 0;
1146 }
1147
1148 static void cayman_cp_fini(struct radeon_device *rdev)
1149 {
1150 cayman_cp_enable(rdev, false);
1151 radeon_ring_fini(rdev);
1152 }
1153
1154 int cayman_cp_resume(struct radeon_device *rdev)
1155 {
1156 u32 tmp;
1157 u32 rb_bufsz;
1158 int r;
1159
1160 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1161 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1162 SOFT_RESET_PA |
1163 SOFT_RESET_SH |
1164 SOFT_RESET_VGT |
1165 SOFT_RESET_SPI |
1166 SOFT_RESET_SX));
1167 RREG32(GRBM_SOFT_RESET);
1168 mdelay(15);
1169 WREG32(GRBM_SOFT_RESET, 0);
1170 RREG32(GRBM_SOFT_RESET);
1171
1172 WREG32(CP_SEM_WAIT_TIMER, 0x4);
1173
1174 /* Set the write pointer delay */
1175 WREG32(CP_RB_WPTR_DELAY, 0);
1176
1177 WREG32(CP_DEBUG, (1 << 27));
1178
1179 /* ring 0 - compute and gfx */
1180 /* Set ring buffer size */
1181 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
1182 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1183 #ifdef __BIG_ENDIAN
1184 tmp |= BUF_SWAP_32BIT;
1185 #endif
1186 WREG32(CP_RB0_CNTL, tmp);
1187
1188 /* Initialize the ring buffer's read and write pointers */
1189 WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
1190 WREG32(CP_RB0_WPTR, 0);
1191
1192 /* set the wb address wether it's enabled or not */
1193 WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1194 WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1195 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1196
1197 if (rdev->wb.enabled)
1198 WREG32(SCRATCH_UMSK, 0xff);
1199 else {
1200 tmp |= RB_NO_UPDATE;
1201 WREG32(SCRATCH_UMSK, 0);
1202 }
1203
1204 mdelay(1);
1205 WREG32(CP_RB0_CNTL, tmp);
1206
1207 WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8);
1208
1209 rdev->cp.rptr = RREG32(CP_RB0_RPTR);
1210 rdev->cp.wptr = RREG32(CP_RB0_WPTR);
1211
1212 /* ring1 - compute only */
1213 /* Set ring buffer size */
1214 rb_bufsz = drm_order(rdev->cp1.ring_size / 8);
1215 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1216 #ifdef __BIG_ENDIAN
1217 tmp |= BUF_SWAP_32BIT;
1218 #endif
1219 WREG32(CP_RB1_CNTL, tmp);
1220
1221 /* Initialize the ring buffer's read and write pointers */
1222 WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
1223 WREG32(CP_RB1_WPTR, 0);
1224
1225 /* set the wb address wether it's enabled or not */
1226 WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
1227 WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
1228
1229 mdelay(1);
1230 WREG32(CP_RB1_CNTL, tmp);
1231
1232 WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8);
1233
1234 rdev->cp1.rptr = RREG32(CP_RB1_RPTR);
1235 rdev->cp1.wptr = RREG32(CP_RB1_WPTR);
1236
1237 /* ring2 - compute only */
1238 /* Set ring buffer size */
1239 rb_bufsz = drm_order(rdev->cp2.ring_size / 8);
1240 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1241 #ifdef __BIG_ENDIAN
1242 tmp |= BUF_SWAP_32BIT;
1243 #endif
1244 WREG32(CP_RB2_CNTL, tmp);
1245
1246 /* Initialize the ring buffer's read and write pointers */
1247 WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
1248 WREG32(CP_RB2_WPTR, 0);
1249
1250 /* set the wb address wether it's enabled or not */
1251 WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
1252 WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
1253
1254 mdelay(1);
1255 WREG32(CP_RB2_CNTL, tmp);
1256
1257 WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8);
1258
1259 rdev->cp2.rptr = RREG32(CP_RB2_RPTR);
1260 rdev->cp2.wptr = RREG32(CP_RB2_WPTR);
1261
1262 /* start the rings */
1263 cayman_cp_start(rdev);
1264 rdev->cp.ready = true;
1265 rdev->cp1.ready = true;
1266 rdev->cp2.ready = true;
1267 /* this only test cp0 */
1268 r = radeon_ring_test(rdev);
1269 if (r) {
1270 rdev->cp.ready = false;
1271 rdev->cp1.ready = false;
1272 rdev->cp2.ready = false;
1273 return r;
1274 }
1275
1276 return 0;
1277 }
1278
1279 bool cayman_gpu_is_lockup(struct radeon_device *rdev)
1280 {
1281 u32 srbm_status;
1282 u32 grbm_status;
1283 u32 grbm_status_se0, grbm_status_se1;
1284 struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup;
1285 int r;
1286
1287 srbm_status = RREG32(SRBM_STATUS);
1288 grbm_status = RREG32(GRBM_STATUS);
1289 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
1290 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
1291 if (!(grbm_status & GUI_ACTIVE)) {
1292 r100_gpu_lockup_update(lockup, &rdev->cp);
1293 return false;
1294 }
1295 /* force CP activities */
1296 r = radeon_ring_lock(rdev, 2);
1297 if (!r) {
1298 /* PACKET2 NOP */
1299 radeon_ring_write(rdev, 0x80000000);
1300 radeon_ring_write(rdev, 0x80000000);
1301 radeon_ring_unlock_commit(rdev);
1302 }
1303 /* XXX deal with CP0,1,2 */
1304 rdev->cp.rptr = RREG32(CP_RB0_RPTR);
1305 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1306 }
1307
1308 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1309 {
1310 struct evergreen_mc_save save;
1311 u32 grbm_reset = 0;
1312
1313 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1314 return 0;
1315
1316 dev_info(rdev->dev, "GPU softreset \n");
1317 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1318 RREG32(GRBM_STATUS));
1319 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1320 RREG32(GRBM_STATUS_SE0));
1321 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1322 RREG32(GRBM_STATUS_SE1));
1323 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1324 RREG32(SRBM_STATUS));
1325 evergreen_mc_stop(rdev, &save);
1326 if (evergreen_mc_wait_for_idle(rdev)) {
1327 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1328 }
1329 /* Disable CP parsing/prefetching */
1330 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1331
1332 /* reset all the gfx blocks */
1333 grbm_reset = (SOFT_RESET_CP |
1334 SOFT_RESET_CB |
1335 SOFT_RESET_DB |
1336 SOFT_RESET_GDS |
1337 SOFT_RESET_PA |
1338 SOFT_RESET_SC |
1339 SOFT_RESET_SPI |
1340 SOFT_RESET_SH |
1341 SOFT_RESET_SX |
1342 SOFT_RESET_TC |
1343 SOFT_RESET_TA |
1344 SOFT_RESET_VGT |
1345 SOFT_RESET_IA);
1346
1347 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1348 WREG32(GRBM_SOFT_RESET, grbm_reset);
1349 (void)RREG32(GRBM_SOFT_RESET);
1350 udelay(50);
1351 WREG32(GRBM_SOFT_RESET, 0);
1352 (void)RREG32(GRBM_SOFT_RESET);
1353 /* Wait a little for things to settle down */
1354 udelay(50);
1355 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1356 RREG32(GRBM_STATUS));
1357 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1358 RREG32(GRBM_STATUS_SE0));
1359 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1360 RREG32(GRBM_STATUS_SE1));
1361 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1362 RREG32(SRBM_STATUS));
1363 evergreen_mc_resume(rdev, &save);
1364 return 0;
1365 }
1366
1367 int cayman_asic_reset(struct radeon_device *rdev)
1368 {
1369 return cayman_gpu_soft_reset(rdev);
1370 }
1371
1372 static int cayman_startup(struct radeon_device *rdev)
1373 {
1374 int r;
1375
1376 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1377 r = ni_init_microcode(rdev);
1378 if (r) {
1379 DRM_ERROR("Failed to load firmware!\n");
1380 return r;
1381 }
1382 }
1383 r = ni_mc_load_microcode(rdev);
1384 if (r) {
1385 DRM_ERROR("Failed to load MC firmware!\n");
1386 return r;
1387 }
1388
1389 evergreen_mc_program(rdev);
1390 r = cayman_pcie_gart_enable(rdev);
1391 if (r)
1392 return r;
1393 cayman_gpu_init(rdev);
1394
1395 r = evergreen_blit_init(rdev);
1396 if (r) {
1397 evergreen_blit_fini(rdev);
1398 rdev->asic->copy = NULL;
1399 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1400 }
1401
1402 /* allocate wb buffer */
1403 r = radeon_wb_init(rdev);
1404 if (r)
1405 return r;
1406
1407 /* Enable IRQ */
1408 r = r600_irq_init(rdev);
1409 if (r) {
1410 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1411 radeon_irq_kms_fini(rdev);
1412 return r;
1413 }
1414 evergreen_irq_set(rdev);
1415
1416 r = radeon_ring_init(rdev, rdev->cp.ring_size);
1417 if (r)
1418 return r;
1419 r = cayman_cp_load_microcode(rdev);
1420 if (r)
1421 return r;
1422 r = cayman_cp_resume(rdev);
1423 if (r)
1424 return r;
1425
1426 return 0;
1427 }
1428
1429 int cayman_resume(struct radeon_device *rdev)
1430 {
1431 int r;
1432
1433 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1434 * posting will perform necessary task to bring back GPU into good
1435 * shape.
1436 */
1437 /* post card */
1438 atom_asic_init(rdev->mode_info.atom_context);
1439
1440 r = cayman_startup(rdev);
1441 if (r) {
1442 DRM_ERROR("cayman startup failed on resume\n");
1443 return r;
1444 }
1445
1446 r = r600_ib_test(rdev);
1447 if (r) {
1448 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1449 return r;
1450 }
1451
1452 return r;
1453
1454 }
1455
1456 int cayman_suspend(struct radeon_device *rdev)
1457 {
1458 int r;
1459
1460 /* FIXME: we should wait for ring to be empty */
1461 cayman_cp_enable(rdev, false);
1462 rdev->cp.ready = false;
1463 evergreen_irq_suspend(rdev);
1464 radeon_wb_disable(rdev);
1465 cayman_pcie_gart_disable(rdev);
1466
1467 /* unpin shaders bo */
1468 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1469 if (likely(r == 0)) {
1470 radeon_bo_unpin(rdev->r600_blit.shader_obj);
1471 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1472 }
1473
1474 return 0;
1475 }
1476
1477 /* Plan is to move initialization in that function and use
1478 * helper function so that radeon_device_init pretty much
1479 * do nothing more than calling asic specific function. This
1480 * should also allow to remove a bunch of callback function
1481 * like vram_info.
1482 */
1483 int cayman_init(struct radeon_device *rdev)
1484 {
1485 int r;
1486
1487 /* This don't do much */
1488 r = radeon_gem_init(rdev);
1489 if (r)
1490 return r;
1491 /* Read BIOS */
1492 if (!radeon_get_bios(rdev)) {
1493 if (ASIC_IS_AVIVO(rdev))
1494 return -EINVAL;
1495 }
1496 /* Must be an ATOMBIOS */
1497 if (!rdev->is_atom_bios) {
1498 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1499 return -EINVAL;
1500 }
1501 r = radeon_atombios_init(rdev);
1502 if (r)
1503 return r;
1504
1505 /* Post card if necessary */
1506 if (!radeon_card_posted(rdev)) {
1507 if (!rdev->bios) {
1508 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1509 return -EINVAL;
1510 }
1511 DRM_INFO("GPU not posted. posting now...\n");
1512 atom_asic_init(rdev->mode_info.atom_context);
1513 }
1514 /* Initialize scratch registers */
1515 r600_scratch_init(rdev);
1516 /* Initialize surface registers */
1517 radeon_surface_init(rdev);
1518 /* Initialize clocks */
1519 radeon_get_clock_info(rdev->ddev);
1520 /* Fence driver */
1521 r = radeon_fence_driver_init(rdev);
1522 if (r)
1523 return r;
1524 /* initialize memory controller */
1525 r = evergreen_mc_init(rdev);
1526 if (r)
1527 return r;
1528 /* Memory manager */
1529 r = radeon_bo_init(rdev);
1530 if (r)
1531 return r;
1532
1533 r = radeon_irq_kms_init(rdev);
1534 if (r)
1535 return r;
1536
1537 rdev->cp.ring_obj = NULL;
1538 r600_ring_init(rdev, 1024 * 1024);
1539
1540 rdev->ih.ring_obj = NULL;
1541 r600_ih_ring_init(rdev, 64 * 1024);
1542
1543 r = r600_pcie_gart_init(rdev);
1544 if (r)
1545 return r;
1546
1547 rdev->accel_working = true;
1548 r = cayman_startup(rdev);
1549 if (r) {
1550 dev_err(rdev->dev, "disabling GPU acceleration\n");
1551 cayman_cp_fini(rdev);
1552 r600_irq_fini(rdev);
1553 radeon_wb_fini(rdev);
1554 radeon_irq_kms_fini(rdev);
1555 cayman_pcie_gart_fini(rdev);
1556 rdev->accel_working = false;
1557 }
1558 if (rdev->accel_working) {
1559 r = radeon_ib_pool_init(rdev);
1560 if (r) {
1561 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
1562 rdev->accel_working = false;
1563 }
1564 r = r600_ib_test(rdev);
1565 if (r) {
1566 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1567 rdev->accel_working = false;
1568 }
1569 }
1570
1571 /* Don't start up if the MC ucode is missing.
1572 * The default clocks and voltages before the MC ucode
1573 * is loaded are not suffient for advanced operations.
1574 */
1575 if (!rdev->mc_fw) {
1576 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1577 return -EINVAL;
1578 }
1579
1580 return 0;
1581 }
1582
1583 void cayman_fini(struct radeon_device *rdev)
1584 {
1585 evergreen_blit_fini(rdev);
1586 cayman_cp_fini(rdev);
1587 r600_irq_fini(rdev);
1588 radeon_wb_fini(rdev);
1589 radeon_ib_pool_fini(rdev);
1590 radeon_irq_kms_fini(rdev);
1591 cayman_pcie_gart_fini(rdev);
1592 radeon_gem_fini(rdev);
1593 radeon_fence_driver_fini(rdev);
1594 radeon_bo_fini(rdev);
1595 radeon_atombios_fini(rdev);
1596 kfree(rdev->bios);
1597 rdev->bios = NULL;
1598 }
1599
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree