Merge branch 'fortglx/3.7/time' of git://git.linaro.org/people/jstultz/linux into...
[cascardo/linux.git] / drivers / gpu / drm / radeon / ni.c
1 /*
2  * Copyright 2010 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
27 #include <linux/module.h>
28 #include "drmP.h"
29 #include "radeon.h"
30 #include "radeon_asic.h"
31 #include "radeon_drm.h"
32 #include "nid.h"
33 #include "atom.h"
34 #include "ni_reg.h"
35 #include "cayman_blit_shaders.h"
36
37 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
38 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
39 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
40 extern void evergreen_mc_program(struct radeon_device *rdev);
41 extern void evergreen_irq_suspend(struct radeon_device *rdev);
42 extern int evergreen_mc_init(struct radeon_device *rdev);
43 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
44 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
45 extern void si_rlc_fini(struct radeon_device *rdev);
46 extern int si_rlc_init(struct radeon_device *rdev);
47
48 #define EVERGREEN_PFP_UCODE_SIZE 1120
49 #define EVERGREEN_PM4_UCODE_SIZE 1376
50 #define EVERGREEN_RLC_UCODE_SIZE 768
51 #define BTC_MC_UCODE_SIZE 6024
52
53 #define CAYMAN_PFP_UCODE_SIZE 2176
54 #define CAYMAN_PM4_UCODE_SIZE 2176
55 #define CAYMAN_RLC_UCODE_SIZE 1024
56 #define CAYMAN_MC_UCODE_SIZE 6037
57
58 #define ARUBA_RLC_UCODE_SIZE 1536
59
60 /* Firmware Names */
61 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
62 MODULE_FIRMWARE("radeon/BARTS_me.bin");
63 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
64 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
65 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
66 MODULE_FIRMWARE("radeon/TURKS_me.bin");
67 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
68 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
69 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
70 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
71 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
72 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
73 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
74 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
75 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
76 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
77 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
78
79 #define BTC_IO_MC_REGS_SIZE 29
80
81 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
82         {0x00000077, 0xff010100},
83         {0x00000078, 0x00000000},
84         {0x00000079, 0x00001434},
85         {0x0000007a, 0xcc08ec08},
86         {0x0000007b, 0x00040000},
87         {0x0000007c, 0x000080c0},
88         {0x0000007d, 0x09000000},
89         {0x0000007e, 0x00210404},
90         {0x00000081, 0x08a8e800},
91         {0x00000082, 0x00030444},
92         {0x00000083, 0x00000000},
93         {0x00000085, 0x00000001},
94         {0x00000086, 0x00000002},
95         {0x00000087, 0x48490000},
96         {0x00000088, 0x20244647},
97         {0x00000089, 0x00000005},
98         {0x0000008b, 0x66030000},
99         {0x0000008c, 0x00006603},
100         {0x0000008d, 0x00000100},
101         {0x0000008f, 0x00001c0a},
102         {0x00000090, 0xff000001},
103         {0x00000094, 0x00101101},
104         {0x00000095, 0x00000fff},
105         {0x00000096, 0x00116fff},
106         {0x00000097, 0x60010000},
107         {0x00000098, 0x10010000},
108         {0x00000099, 0x00006000},
109         {0x0000009a, 0x00001000},
110         {0x0000009f, 0x00946a00}
111 };
112
113 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
114         {0x00000077, 0xff010100},
115         {0x00000078, 0x00000000},
116         {0x00000079, 0x00001434},
117         {0x0000007a, 0xcc08ec08},
118         {0x0000007b, 0x00040000},
119         {0x0000007c, 0x000080c0},
120         {0x0000007d, 0x09000000},
121         {0x0000007e, 0x00210404},
122         {0x00000081, 0x08a8e800},
123         {0x00000082, 0x00030444},
124         {0x00000083, 0x00000000},
125         {0x00000085, 0x00000001},
126         {0x00000086, 0x00000002},
127         {0x00000087, 0x48490000},
128         {0x00000088, 0x20244647},
129         {0x00000089, 0x00000005},
130         {0x0000008b, 0x66030000},
131         {0x0000008c, 0x00006603},
132         {0x0000008d, 0x00000100},
133         {0x0000008f, 0x00001c0a},
134         {0x00000090, 0xff000001},
135         {0x00000094, 0x00101101},
136         {0x00000095, 0x00000fff},
137         {0x00000096, 0x00116fff},
138         {0x00000097, 0x60010000},
139         {0x00000098, 0x10010000},
140         {0x00000099, 0x00006000},
141         {0x0000009a, 0x00001000},
142         {0x0000009f, 0x00936a00}
143 };
144
145 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
146         {0x00000077, 0xff010100},
147         {0x00000078, 0x00000000},
148         {0x00000079, 0x00001434},
149         {0x0000007a, 0xcc08ec08},
150         {0x0000007b, 0x00040000},
151         {0x0000007c, 0x000080c0},
152         {0x0000007d, 0x09000000},
153         {0x0000007e, 0x00210404},
154         {0x00000081, 0x08a8e800},
155         {0x00000082, 0x00030444},
156         {0x00000083, 0x00000000},
157         {0x00000085, 0x00000001},
158         {0x00000086, 0x00000002},
159         {0x00000087, 0x48490000},
160         {0x00000088, 0x20244647},
161         {0x00000089, 0x00000005},
162         {0x0000008b, 0x66030000},
163         {0x0000008c, 0x00006603},
164         {0x0000008d, 0x00000100},
165         {0x0000008f, 0x00001c0a},
166         {0x00000090, 0xff000001},
167         {0x00000094, 0x00101101},
168         {0x00000095, 0x00000fff},
169         {0x00000096, 0x00116fff},
170         {0x00000097, 0x60010000},
171         {0x00000098, 0x10010000},
172         {0x00000099, 0x00006000},
173         {0x0000009a, 0x00001000},
174         {0x0000009f, 0x00916a00}
175 };
176
177 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
178         {0x00000077, 0xff010100},
179         {0x00000078, 0x00000000},
180         {0x00000079, 0x00001434},
181         {0x0000007a, 0xcc08ec08},
182         {0x0000007b, 0x00040000},
183         {0x0000007c, 0x000080c0},
184         {0x0000007d, 0x09000000},
185         {0x0000007e, 0x00210404},
186         {0x00000081, 0x08a8e800},
187         {0x00000082, 0x00030444},
188         {0x00000083, 0x00000000},
189         {0x00000085, 0x00000001},
190         {0x00000086, 0x00000002},
191         {0x00000087, 0x48490000},
192         {0x00000088, 0x20244647},
193         {0x00000089, 0x00000005},
194         {0x0000008b, 0x66030000},
195         {0x0000008c, 0x00006603},
196         {0x0000008d, 0x00000100},
197         {0x0000008f, 0x00001c0a},
198         {0x00000090, 0xff000001},
199         {0x00000094, 0x00101101},
200         {0x00000095, 0x00000fff},
201         {0x00000096, 0x00116fff},
202         {0x00000097, 0x60010000},
203         {0x00000098, 0x10010000},
204         {0x00000099, 0x00006000},
205         {0x0000009a, 0x00001000},
206         {0x0000009f, 0x00976b00}
207 };
208
209 int ni_mc_load_microcode(struct radeon_device *rdev)
210 {
211         const __be32 *fw_data;
212         u32 mem_type, running, blackout = 0;
213         u32 *io_mc_regs;
214         int i, ucode_size, regs_size;
215
216         if (!rdev->mc_fw)
217                 return -EINVAL;
218
219         switch (rdev->family) {
220         case CHIP_BARTS:
221                 io_mc_regs = (u32 *)&barts_io_mc_regs;
222                 ucode_size = BTC_MC_UCODE_SIZE;
223                 regs_size = BTC_IO_MC_REGS_SIZE;
224                 break;
225         case CHIP_TURKS:
226                 io_mc_regs = (u32 *)&turks_io_mc_regs;
227                 ucode_size = BTC_MC_UCODE_SIZE;
228                 regs_size = BTC_IO_MC_REGS_SIZE;
229                 break;
230         case CHIP_CAICOS:
231         default:
232                 io_mc_regs = (u32 *)&caicos_io_mc_regs;
233                 ucode_size = BTC_MC_UCODE_SIZE;
234                 regs_size = BTC_IO_MC_REGS_SIZE;
235                 break;
236         case CHIP_CAYMAN:
237                 io_mc_regs = (u32 *)&cayman_io_mc_regs;
238                 ucode_size = CAYMAN_MC_UCODE_SIZE;
239                 regs_size = BTC_IO_MC_REGS_SIZE;
240                 break;
241         }
242
243         mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
244         running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
245
246         if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
247                 if (running) {
248                         blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
249                         WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
250                 }
251
252                 /* reset the engine and set to writable */
253                 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
254                 WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
255
256                 /* load mc io regs */
257                 for (i = 0; i < regs_size; i++) {
258                         WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
259                         WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
260                 }
261                 /* load the MC ucode */
262                 fw_data = (const __be32 *)rdev->mc_fw->data;
263                 for (i = 0; i < ucode_size; i++)
264                         WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
265
266                 /* put the engine back into the active state */
267                 WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
268                 WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
269                 WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
270
271                 /* wait for training to complete */
272                 for (i = 0; i < rdev->usec_timeout; i++) {
273                         if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
274                                 break;
275                         udelay(1);
276                 }
277
278                 if (running)
279                         WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
280         }
281
282         return 0;
283 }
284
285 int ni_init_microcode(struct radeon_device *rdev)
286 {
287         struct platform_device *pdev;
288         const char *chip_name;
289         const char *rlc_chip_name;
290         size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
291         char fw_name[30];
292         int err;
293
294         DRM_DEBUG("\n");
295
296         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
297         err = IS_ERR(pdev);
298         if (err) {
299                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
300                 return -EINVAL;
301         }
302
303         switch (rdev->family) {
304         case CHIP_BARTS:
305                 chip_name = "BARTS";
306                 rlc_chip_name = "BTC";
307                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
308                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
309                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
310                 mc_req_size = BTC_MC_UCODE_SIZE * 4;
311                 break;
312         case CHIP_TURKS:
313                 chip_name = "TURKS";
314                 rlc_chip_name = "BTC";
315                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
316                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
317                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
318                 mc_req_size = BTC_MC_UCODE_SIZE * 4;
319                 break;
320         case CHIP_CAICOS:
321                 chip_name = "CAICOS";
322                 rlc_chip_name = "BTC";
323                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
324                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
325                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
326                 mc_req_size = BTC_MC_UCODE_SIZE * 4;
327                 break;
328         case CHIP_CAYMAN:
329                 chip_name = "CAYMAN";
330                 rlc_chip_name = "CAYMAN";
331                 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
332                 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
333                 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
334                 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
335                 break;
336         case CHIP_ARUBA:
337                 chip_name = "ARUBA";
338                 rlc_chip_name = "ARUBA";
339                 /* pfp/me same size as CAYMAN */
340                 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
341                 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
342                 rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
343                 mc_req_size = 0;
344                 break;
345         default: BUG();
346         }
347
348         DRM_INFO("Loading %s Microcode\n", chip_name);
349
350         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
351         err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
352         if (err)
353                 goto out;
354         if (rdev->pfp_fw->size != pfp_req_size) {
355                 printk(KERN_ERR
356                        "ni_cp: Bogus length %zu in firmware \"%s\"\n",
357                        rdev->pfp_fw->size, fw_name);
358                 err = -EINVAL;
359                 goto out;
360         }
361
362         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
363         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
364         if (err)
365                 goto out;
366         if (rdev->me_fw->size != me_req_size) {
367                 printk(KERN_ERR
368                        "ni_cp: Bogus length %zu in firmware \"%s\"\n",
369                        rdev->me_fw->size, fw_name);
370                 err = -EINVAL;
371         }
372
373         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
374         err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
375         if (err)
376                 goto out;
377         if (rdev->rlc_fw->size != rlc_req_size) {
378                 printk(KERN_ERR
379                        "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
380                        rdev->rlc_fw->size, fw_name);
381                 err = -EINVAL;
382         }
383
384         /* no MC ucode on TN */
385         if (!(rdev->flags & RADEON_IS_IGP)) {
386                 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
387                 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
388                 if (err)
389                         goto out;
390                 if (rdev->mc_fw->size != mc_req_size) {
391                         printk(KERN_ERR
392                                "ni_mc: Bogus length %zu in firmware \"%s\"\n",
393                                rdev->mc_fw->size, fw_name);
394                         err = -EINVAL;
395                 }
396         }
397 out:
398         platform_device_unregister(pdev);
399
400         if (err) {
401                 if (err != -EINVAL)
402                         printk(KERN_ERR
403                                "ni_cp: Failed to load firmware \"%s\"\n",
404                                fw_name);
405                 release_firmware(rdev->pfp_fw);
406                 rdev->pfp_fw = NULL;
407                 release_firmware(rdev->me_fw);
408                 rdev->me_fw = NULL;
409                 release_firmware(rdev->rlc_fw);
410                 rdev->rlc_fw = NULL;
411                 release_firmware(rdev->mc_fw);
412                 rdev->mc_fw = NULL;
413         }
414         return err;
415 }
416
417 /*
418  * Core functions
419  */
420 static void cayman_gpu_init(struct radeon_device *rdev)
421 {
422         u32 gb_addr_config = 0;
423         u32 mc_shared_chmap, mc_arb_ramcfg;
424         u32 cgts_tcc_disable;
425         u32 sx_debug_1;
426         u32 smx_dc_ctl0;
427         u32 cgts_sm_ctrl_reg;
428         u32 hdp_host_path_cntl;
429         u32 tmp;
430         u32 disabled_rb_mask;
431         int i, j;
432
433         switch (rdev->family) {
434         case CHIP_CAYMAN:
435                 rdev->config.cayman.max_shader_engines = 2;
436                 rdev->config.cayman.max_pipes_per_simd = 4;
437                 rdev->config.cayman.max_tile_pipes = 8;
438                 rdev->config.cayman.max_simds_per_se = 12;
439                 rdev->config.cayman.max_backends_per_se = 4;
440                 rdev->config.cayman.max_texture_channel_caches = 8;
441                 rdev->config.cayman.max_gprs = 256;
442                 rdev->config.cayman.max_threads = 256;
443                 rdev->config.cayman.max_gs_threads = 32;
444                 rdev->config.cayman.max_stack_entries = 512;
445                 rdev->config.cayman.sx_num_of_sets = 8;
446                 rdev->config.cayman.sx_max_export_size = 256;
447                 rdev->config.cayman.sx_max_export_pos_size = 64;
448                 rdev->config.cayman.sx_max_export_smx_size = 192;
449                 rdev->config.cayman.max_hw_contexts = 8;
450                 rdev->config.cayman.sq_num_cf_insts = 2;
451
452                 rdev->config.cayman.sc_prim_fifo_size = 0x100;
453                 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
454                 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
455                 gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
456                 break;
457         case CHIP_ARUBA:
458         default:
459                 rdev->config.cayman.max_shader_engines = 1;
460                 rdev->config.cayman.max_pipes_per_simd = 4;
461                 rdev->config.cayman.max_tile_pipes = 2;
462                 if ((rdev->pdev->device == 0x9900) ||
463                     (rdev->pdev->device == 0x9901) ||
464                     (rdev->pdev->device == 0x9905) ||
465                     (rdev->pdev->device == 0x9906) ||
466                     (rdev->pdev->device == 0x9907) ||
467                     (rdev->pdev->device == 0x9908) ||
468                     (rdev->pdev->device == 0x9909) ||
469                     (rdev->pdev->device == 0x9910) ||
470                     (rdev->pdev->device == 0x9917)) {
471                         rdev->config.cayman.max_simds_per_se = 6;
472                         rdev->config.cayman.max_backends_per_se = 2;
473                 } else if ((rdev->pdev->device == 0x9903) ||
474                            (rdev->pdev->device == 0x9904) ||
475                            (rdev->pdev->device == 0x990A) ||
476                            (rdev->pdev->device == 0x9913) ||
477                            (rdev->pdev->device == 0x9918)) {
478                         rdev->config.cayman.max_simds_per_se = 4;
479                         rdev->config.cayman.max_backends_per_se = 2;
480                 } else if ((rdev->pdev->device == 0x9919) ||
481                            (rdev->pdev->device == 0x9990) ||
482                            (rdev->pdev->device == 0x9991) ||
483                            (rdev->pdev->device == 0x9994) ||
484                            (rdev->pdev->device == 0x99A0)) {
485                         rdev->config.cayman.max_simds_per_se = 3;
486                         rdev->config.cayman.max_backends_per_se = 1;
487                 } else {
488                         rdev->config.cayman.max_simds_per_se = 2;
489                         rdev->config.cayman.max_backends_per_se = 1;
490                 }
491                 rdev->config.cayman.max_texture_channel_caches = 2;
492                 rdev->config.cayman.max_gprs = 256;
493                 rdev->config.cayman.max_threads = 256;
494                 rdev->config.cayman.max_gs_threads = 32;
495                 rdev->config.cayman.max_stack_entries = 512;
496                 rdev->config.cayman.sx_num_of_sets = 8;
497                 rdev->config.cayman.sx_max_export_size = 256;
498                 rdev->config.cayman.sx_max_export_pos_size = 64;
499                 rdev->config.cayman.sx_max_export_smx_size = 192;
500                 rdev->config.cayman.max_hw_contexts = 8;
501                 rdev->config.cayman.sq_num_cf_insts = 2;
502
503                 rdev->config.cayman.sc_prim_fifo_size = 0x40;
504                 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
505                 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
506                 gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
507                 break;
508         }
509
510         /* Initialize HDP */
511         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
512                 WREG32((0x2c14 + j), 0x00000000);
513                 WREG32((0x2c18 + j), 0x00000000);
514                 WREG32((0x2c1c + j), 0x00000000);
515                 WREG32((0x2c20 + j), 0x00000000);
516                 WREG32((0x2c24 + j), 0x00000000);
517         }
518
519         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
520
521         evergreen_fix_pci_max_read_req_size(rdev);
522
523         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
524         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
525
526         tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
527         rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
528         if (rdev->config.cayman.mem_row_size_in_kb > 4)
529                 rdev->config.cayman.mem_row_size_in_kb = 4;
530         /* XXX use MC settings? */
531         rdev->config.cayman.shader_engine_tile_size = 32;
532         rdev->config.cayman.num_gpus = 1;
533         rdev->config.cayman.multi_gpu_tile_size = 64;
534
535         tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
536         rdev->config.cayman.num_tile_pipes = (1 << tmp);
537         tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
538         rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
539         tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
540         rdev->config.cayman.num_shader_engines = tmp + 1;
541         tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
542         rdev->config.cayman.num_gpus = tmp + 1;
543         tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
544         rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
545         tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
546         rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
547
548
549         /* setup tiling info dword.  gb_addr_config is not adequate since it does
550          * not have bank info, so create a custom tiling dword.
551          * bits 3:0   num_pipes
552          * bits 7:4   num_banks
553          * bits 11:8  group_size
554          * bits 15:12 row_size
555          */
556         rdev->config.cayman.tile_config = 0;
557         switch (rdev->config.cayman.num_tile_pipes) {
558         case 1:
559         default:
560                 rdev->config.cayman.tile_config |= (0 << 0);
561                 break;
562         case 2:
563                 rdev->config.cayman.tile_config |= (1 << 0);
564                 break;
565         case 4:
566                 rdev->config.cayman.tile_config |= (2 << 0);
567                 break;
568         case 8:
569                 rdev->config.cayman.tile_config |= (3 << 0);
570                 break;
571         }
572
573         /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
574         if (rdev->flags & RADEON_IS_IGP)
575                 rdev->config.cayman.tile_config |= 1 << 4;
576         else {
577                 switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
578                 case 0: /* four banks */
579                         rdev->config.cayman.tile_config |= 0 << 4;
580                         break;
581                 case 1: /* eight banks */
582                         rdev->config.cayman.tile_config |= 1 << 4;
583                         break;
584                 case 2: /* sixteen banks */
585                 default:
586                         rdev->config.cayman.tile_config |= 2 << 4;
587                         break;
588                 }
589         }
590         rdev->config.cayman.tile_config |=
591                 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
592         rdev->config.cayman.tile_config |=
593                 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
594
595         tmp = 0;
596         for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
597                 u32 rb_disable_bitmap;
598
599                 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
600                 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
601                 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
602                 tmp <<= 4;
603                 tmp |= rb_disable_bitmap;
604         }
605         /* enabled rb are just the one not disabled :) */
606         disabled_rb_mask = tmp;
607
608         WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
609         WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
610
611         WREG32(GB_ADDR_CONFIG, gb_addr_config);
612         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
613         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
614
615         tmp = gb_addr_config & NUM_PIPES_MASK;
616         tmp = r6xx_remap_render_backend(rdev, tmp,
617                                         rdev->config.cayman.max_backends_per_se *
618                                         rdev->config.cayman.max_shader_engines,
619                                         CAYMAN_MAX_BACKENDS, disabled_rb_mask);
620         WREG32(GB_BACKEND_MAP, tmp);
621
622         cgts_tcc_disable = 0xffff0000;
623         for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
624                 cgts_tcc_disable &= ~(1 << (16 + i));
625         WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
626         WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
627         WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
628         WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
629
630         /* reprogram the shader complex */
631         cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
632         for (i = 0; i < 16; i++)
633                 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
634         WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
635
636         /* set HW defaults for 3D engine */
637         WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
638
639         sx_debug_1 = RREG32(SX_DEBUG_1);
640         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
641         WREG32(SX_DEBUG_1, sx_debug_1);
642
643         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
644         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
645         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
646         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
647
648         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
649
650         /* need to be explicitly zero-ed */
651         WREG32(VGT_OFFCHIP_LDS_BASE, 0);
652         WREG32(SQ_LSTMP_RING_BASE, 0);
653         WREG32(SQ_HSTMP_RING_BASE, 0);
654         WREG32(SQ_ESTMP_RING_BASE, 0);
655         WREG32(SQ_GSTMP_RING_BASE, 0);
656         WREG32(SQ_VSTMP_RING_BASE, 0);
657         WREG32(SQ_PSTMP_RING_BASE, 0);
658
659         WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
660
661         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
662                                         POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
663                                         SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
664
665         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
666                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
667                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
668
669
670         WREG32(VGT_NUM_INSTANCES, 1);
671
672         WREG32(CP_PERFMON_CNTL, 0);
673
674         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
675                                   FETCH_FIFO_HIWATER(0x4) |
676                                   DONE_FIFO_HIWATER(0xe0) |
677                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
678
679         WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
680         WREG32(SQ_CONFIG, (VC_ENABLE |
681                            EXPORT_SRC_C |
682                            GFX_PRIO(0) |
683                            CS1_PRIO(0) |
684                            CS2_PRIO(1)));
685         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
686
687         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
688                                           FORCE_EOV_MAX_REZ_CNT(255)));
689
690         WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
691                AUTO_INVLD_EN(ES_AND_GS_AUTO));
692
693         WREG32(VGT_GS_VERTEX_REUSE, 16);
694         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
695
696         WREG32(CB_PERF_CTR0_SEL_0, 0);
697         WREG32(CB_PERF_CTR0_SEL_1, 0);
698         WREG32(CB_PERF_CTR1_SEL_0, 0);
699         WREG32(CB_PERF_CTR1_SEL_1, 0);
700         WREG32(CB_PERF_CTR2_SEL_0, 0);
701         WREG32(CB_PERF_CTR2_SEL_1, 0);
702         WREG32(CB_PERF_CTR3_SEL_0, 0);
703         WREG32(CB_PERF_CTR3_SEL_1, 0);
704
705         tmp = RREG32(HDP_MISC_CNTL);
706         tmp |= HDP_FLUSH_INVALIDATE_CACHE;
707         WREG32(HDP_MISC_CNTL, tmp);
708
709         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
710         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
711
712         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
713
714         udelay(50);
715 }
716
717 /*
718  * GART
719  */
720 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
721 {
722         /* flush hdp cache */
723         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
724
725         /* bits 0-7 are the VM contexts0-7 */
726         WREG32(VM_INVALIDATE_REQUEST, 1);
727 }
728
729 int cayman_pcie_gart_enable(struct radeon_device *rdev)
730 {
731         int i, r;
732
733         if (rdev->gart.robj == NULL) {
734                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
735                 return -EINVAL;
736         }
737         r = radeon_gart_table_vram_pin(rdev);
738         if (r)
739                 return r;
740         radeon_gart_restore(rdev);
741         /* Setup TLB control */
742         WREG32(MC_VM_MX_L1_TLB_CNTL,
743                (0xA << 7) |
744                ENABLE_L1_TLB |
745                ENABLE_L1_FRAGMENT_PROCESSING |
746                SYSTEM_ACCESS_MODE_NOT_IN_SYS |
747                ENABLE_ADVANCED_DRIVER_MODEL |
748                SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
749         /* Setup L2 cache */
750         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
751                ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
752                ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
753                EFFECTIVE_L2_QUEUE_SIZE(7) |
754                CONTEXT1_IDENTITY_ACCESS_MODE(1));
755         WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
756         WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
757                L2_CACHE_BIGK_FRAGMENT_SIZE(6));
758         /* setup context0 */
759         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
760         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
761         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
762         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
763                         (u32)(rdev->dummy_page.addr >> 12));
764         WREG32(VM_CONTEXT0_CNTL2, 0);
765         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
766                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
767
768         WREG32(0x15D4, 0);
769         WREG32(0x15D8, 0);
770         WREG32(0x15DC, 0);
771
772         /* empty context1-7 */
773         for (i = 1; i < 8; i++) {
774                 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
775                 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
776                 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
777                         rdev->gart.table_addr >> 12);
778         }
779
780         /* enable context1-7 */
781         WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
782                (u32)(rdev->dummy_page.addr >> 12));
783         WREG32(VM_CONTEXT1_CNTL2, 0);
784         WREG32(VM_CONTEXT1_CNTL, 0);
785         WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
786                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
787
788         cayman_pcie_gart_tlb_flush(rdev);
789         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
790                  (unsigned)(rdev->mc.gtt_size >> 20),
791                  (unsigned long long)rdev->gart.table_addr);
792         rdev->gart.ready = true;
793         return 0;
794 }
795
796 void cayman_pcie_gart_disable(struct radeon_device *rdev)
797 {
798         /* Disable all tables */
799         WREG32(VM_CONTEXT0_CNTL, 0);
800         WREG32(VM_CONTEXT1_CNTL, 0);
801         /* Setup TLB control */
802         WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
803                SYSTEM_ACCESS_MODE_NOT_IN_SYS |
804                SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
805         /* Setup L2 cache */
806         WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
807                ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
808                EFFECTIVE_L2_QUEUE_SIZE(7) |
809                CONTEXT1_IDENTITY_ACCESS_MODE(1));
810         WREG32(VM_L2_CNTL2, 0);
811         WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
812                L2_CACHE_BIGK_FRAGMENT_SIZE(6));
813         radeon_gart_table_vram_unpin(rdev);
814 }
815
816 void cayman_pcie_gart_fini(struct radeon_device *rdev)
817 {
818         cayman_pcie_gart_disable(rdev);
819         radeon_gart_table_vram_free(rdev);
820         radeon_gart_fini(rdev);
821 }
822
823 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
824                               int ring, u32 cp_int_cntl)
825 {
826         u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
827
828         WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
829         WREG32(CP_INT_CNTL, cp_int_cntl);
830 }
831
832 /*
833  * CP.
834  */
835 void cayman_fence_ring_emit(struct radeon_device *rdev,
836                             struct radeon_fence *fence)
837 {
838         struct radeon_ring *ring = &rdev->ring[fence->ring];
839         u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
840
841         /* flush read cache over gart for this vmid */
842         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
843         radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
844         radeon_ring_write(ring, 0);
845         radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
846         radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
847         radeon_ring_write(ring, 0xFFFFFFFF);
848         radeon_ring_write(ring, 0);
849         radeon_ring_write(ring, 10); /* poll interval */
850         /* EVENT_WRITE_EOP - flush caches, send int */
851         radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
852         radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
853         radeon_ring_write(ring, addr & 0xffffffff);
854         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
855         radeon_ring_write(ring, fence->seq);
856         radeon_ring_write(ring, 0);
857 }
858
859 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
860 {
861         struct radeon_ring *ring = &rdev->ring[ib->ring];
862
863         /* set to DX10/11 mode */
864         radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
865         radeon_ring_write(ring, 1);
866
867         if (ring->rptr_save_reg) {
868                 uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
869                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
870                 radeon_ring_write(ring, ((ring->rptr_save_reg - 
871                                           PACKET3_SET_CONFIG_REG_START) >> 2));
872                 radeon_ring_write(ring, next_rptr);
873         }
874
875         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
876         radeon_ring_write(ring,
877 #ifdef __BIG_ENDIAN
878                           (2 << 0) |
879 #endif
880                           (ib->gpu_addr & 0xFFFFFFFC));
881         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
882         radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
883
884         /* flush read cache over gart for this vmid */
885         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
886         radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
887         radeon_ring_write(ring, ib->vm_id);
888         radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
889         radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
890         radeon_ring_write(ring, 0xFFFFFFFF);
891         radeon_ring_write(ring, 0);
892         radeon_ring_write(ring, 10); /* poll interval */
893 }
894
895 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
896 {
897         if (enable)
898                 WREG32(CP_ME_CNTL, 0);
899         else {
900                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
901                 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
902                 WREG32(SCRATCH_UMSK, 0);
903         }
904 }
905
906 static int cayman_cp_load_microcode(struct radeon_device *rdev)
907 {
908         const __be32 *fw_data;
909         int i;
910
911         if (!rdev->me_fw || !rdev->pfp_fw)
912                 return -EINVAL;
913
914         cayman_cp_enable(rdev, false);
915
916         fw_data = (const __be32 *)rdev->pfp_fw->data;
917         WREG32(CP_PFP_UCODE_ADDR, 0);
918         for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
919                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
920         WREG32(CP_PFP_UCODE_ADDR, 0);
921
922         fw_data = (const __be32 *)rdev->me_fw->data;
923         WREG32(CP_ME_RAM_WADDR, 0);
924         for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
925                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
926
927         WREG32(CP_PFP_UCODE_ADDR, 0);
928         WREG32(CP_ME_RAM_WADDR, 0);
929         WREG32(CP_ME_RAM_RADDR, 0);
930         return 0;
931 }
932
933 static int cayman_cp_start(struct radeon_device *rdev)
934 {
935         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
936         int r, i;
937
938         r = radeon_ring_lock(rdev, ring, 7);
939         if (r) {
940                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
941                 return r;
942         }
943         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
944         radeon_ring_write(ring, 0x1);
945         radeon_ring_write(ring, 0x0);
946         radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
947         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
948         radeon_ring_write(ring, 0);
949         radeon_ring_write(ring, 0);
950         radeon_ring_unlock_commit(rdev, ring);
951
952         cayman_cp_enable(rdev, true);
953
954         r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
955         if (r) {
956                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
957                 return r;
958         }
959
960         /* setup clear context state */
961         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
962         radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
963
964         for (i = 0; i < cayman_default_size; i++)
965                 radeon_ring_write(ring, cayman_default_state[i]);
966
967         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
968         radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
969
970         /* set clear context state */
971         radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
972         radeon_ring_write(ring, 0);
973
974         /* SQ_VTX_BASE_VTX_LOC */
975         radeon_ring_write(ring, 0xc0026f00);
976         radeon_ring_write(ring, 0x00000000);
977         radeon_ring_write(ring, 0x00000000);
978         radeon_ring_write(ring, 0x00000000);
979
980         /* Clear consts */
981         radeon_ring_write(ring, 0xc0036f00);
982         radeon_ring_write(ring, 0x00000bc4);
983         radeon_ring_write(ring, 0xffffffff);
984         radeon_ring_write(ring, 0xffffffff);
985         radeon_ring_write(ring, 0xffffffff);
986
987         radeon_ring_write(ring, 0xc0026900);
988         radeon_ring_write(ring, 0x00000316);
989         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
990         radeon_ring_write(ring, 0x00000010); /*  */
991
992         radeon_ring_unlock_commit(rdev, ring);
993
994         /* XXX init other rings */
995
996         return 0;
997 }
998
999 static void cayman_cp_fini(struct radeon_device *rdev)
1000 {
1001         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1002         cayman_cp_enable(rdev, false);
1003         radeon_ring_fini(rdev, ring);
1004         radeon_scratch_free(rdev, ring->rptr_save_reg);
1005 }
1006
1007 int cayman_cp_resume(struct radeon_device *rdev)
1008 {
1009         static const int ridx[] = {
1010                 RADEON_RING_TYPE_GFX_INDEX,
1011                 CAYMAN_RING_TYPE_CP1_INDEX,
1012                 CAYMAN_RING_TYPE_CP2_INDEX
1013         };
1014         static const unsigned cp_rb_cntl[] = {
1015                 CP_RB0_CNTL,
1016                 CP_RB1_CNTL,
1017                 CP_RB2_CNTL,
1018         };
1019         static const unsigned cp_rb_rptr_addr[] = {
1020                 CP_RB0_RPTR_ADDR,
1021                 CP_RB1_RPTR_ADDR,
1022                 CP_RB2_RPTR_ADDR
1023         };
1024         static const unsigned cp_rb_rptr_addr_hi[] = {
1025                 CP_RB0_RPTR_ADDR_HI,
1026                 CP_RB1_RPTR_ADDR_HI,
1027                 CP_RB2_RPTR_ADDR_HI
1028         };
1029         static const unsigned cp_rb_base[] = {
1030                 CP_RB0_BASE,
1031                 CP_RB1_BASE,
1032                 CP_RB2_BASE
1033         };
1034         struct radeon_ring *ring;
1035         int i, r;
1036
1037         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1038         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1039                                  SOFT_RESET_PA |
1040                                  SOFT_RESET_SH |
1041                                  SOFT_RESET_VGT |
1042                                  SOFT_RESET_SPI |
1043                                  SOFT_RESET_SX));
1044         RREG32(GRBM_SOFT_RESET);
1045         mdelay(15);
1046         WREG32(GRBM_SOFT_RESET, 0);
1047         RREG32(GRBM_SOFT_RESET);
1048
1049         WREG32(CP_SEM_WAIT_TIMER, 0x0);
1050         WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1051
1052         /* Set the write pointer delay */
1053         WREG32(CP_RB_WPTR_DELAY, 0);
1054
1055         WREG32(CP_DEBUG, (1 << 27));
1056
1057         /* set the wb address wether it's enabled or not */
1058         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1059         WREG32(SCRATCH_UMSK, 0xff);
1060
1061         for (i = 0; i < 3; ++i) {
1062                 uint32_t rb_cntl;
1063                 uint64_t addr;
1064
1065                 /* Set ring buffer size */
1066                 ring = &rdev->ring[ridx[i]];
1067                 rb_cntl = drm_order(ring->ring_size / 8);
1068                 rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8;
1069 #ifdef __BIG_ENDIAN
1070                 rb_cntl |= BUF_SWAP_32BIT;
1071 #endif
1072                 WREG32(cp_rb_cntl[i], rb_cntl);
1073
1074                 /* set the wb address wether it's enabled or not */
1075                 addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1076                 WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1077                 WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1078         }
1079
1080         /* set the rb base addr, this causes an internal reset of ALL rings */
1081         for (i = 0; i < 3; ++i) {
1082                 ring = &rdev->ring[ridx[i]];
1083                 WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1084         }
1085
1086         for (i = 0; i < 3; ++i) {
1087                 /* Initialize the ring buffer's read and write pointers */
1088                 ring = &rdev->ring[ridx[i]];
1089                 WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1090
1091                 ring->rptr = ring->wptr = 0;
1092                 WREG32(ring->rptr_reg, ring->rptr);
1093                 WREG32(ring->wptr_reg, ring->wptr);
1094
1095                 mdelay(1);
1096                 WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1097         }
1098
1099         /* start the rings */
1100         cayman_cp_start(rdev);
1101         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1102         rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1103         rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1104         /* this only test cp0 */
1105         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1106         if (r) {
1107                 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1108                 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1109                 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1110                 return r;
1111         }
1112
1113         return 0;
1114 }
1115
1116 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1117 {
1118         struct evergreen_mc_save save;
1119         u32 grbm_reset = 0;
1120
1121         if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1122                 return 0;
1123
1124         dev_info(rdev->dev, "GPU softreset \n");
1125         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1126                 RREG32(GRBM_STATUS));
1127         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1128                 RREG32(GRBM_STATUS_SE0));
1129         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1130                 RREG32(GRBM_STATUS_SE1));
1131         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1132                 RREG32(SRBM_STATUS));
1133         dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1134                 RREG32(CP_STALLED_STAT1));
1135         dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1136                 RREG32(CP_STALLED_STAT2));
1137         dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1138                 RREG32(CP_BUSY_STAT));
1139         dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1140                 RREG32(CP_STAT));
1141         dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1142                  RREG32(0x14F8));
1143         dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1144                  RREG32(0x14D8));
1145         dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1146                  RREG32(0x14FC));
1147         dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1148                  RREG32(0x14DC));
1149
1150         evergreen_mc_stop(rdev, &save);
1151         if (evergreen_mc_wait_for_idle(rdev)) {
1152                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1153         }
1154         /* Disable CP parsing/prefetching */
1155         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1156
1157         /* reset all the gfx blocks */
1158         grbm_reset = (SOFT_RESET_CP |
1159                       SOFT_RESET_CB |
1160                       SOFT_RESET_DB |
1161                       SOFT_RESET_GDS |
1162                       SOFT_RESET_PA |
1163                       SOFT_RESET_SC |
1164                       SOFT_RESET_SPI |
1165                       SOFT_RESET_SH |
1166                       SOFT_RESET_SX |
1167                       SOFT_RESET_TC |
1168                       SOFT_RESET_TA |
1169                       SOFT_RESET_VGT |
1170                       SOFT_RESET_IA);
1171
1172         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1173         WREG32(GRBM_SOFT_RESET, grbm_reset);
1174         (void)RREG32(GRBM_SOFT_RESET);
1175         udelay(50);
1176         WREG32(GRBM_SOFT_RESET, 0);
1177         (void)RREG32(GRBM_SOFT_RESET);
1178         /* Wait a little for things to settle down */
1179         udelay(50);
1180
1181         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1182                 RREG32(GRBM_STATUS));
1183         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1184                 RREG32(GRBM_STATUS_SE0));
1185         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1186                 RREG32(GRBM_STATUS_SE1));
1187         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1188                 RREG32(SRBM_STATUS));
1189         dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1190                 RREG32(CP_STALLED_STAT1));
1191         dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1192                 RREG32(CP_STALLED_STAT2));
1193         dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1194                 RREG32(CP_BUSY_STAT));
1195         dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1196                 RREG32(CP_STAT));
1197         evergreen_mc_resume(rdev, &save);
1198         return 0;
1199 }
1200
1201 int cayman_asic_reset(struct radeon_device *rdev)
1202 {
1203         return cayman_gpu_soft_reset(rdev);
1204 }
1205
1206 static int cayman_startup(struct radeon_device *rdev)
1207 {
1208         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1209         int r;
1210
1211         /* enable pcie gen2 link */
1212         evergreen_pcie_gen2_enable(rdev);
1213
1214         if (rdev->flags & RADEON_IS_IGP) {
1215                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1216                         r = ni_init_microcode(rdev);
1217                         if (r) {
1218                                 DRM_ERROR("Failed to load firmware!\n");
1219                                 return r;
1220                         }
1221                 }
1222         } else {
1223                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1224                         r = ni_init_microcode(rdev);
1225                         if (r) {
1226                                 DRM_ERROR("Failed to load firmware!\n");
1227                                 return r;
1228                         }
1229                 }
1230
1231                 r = ni_mc_load_microcode(rdev);
1232                 if (r) {
1233                         DRM_ERROR("Failed to load MC firmware!\n");
1234                         return r;
1235                 }
1236         }
1237
1238         r = r600_vram_scratch_init(rdev);
1239         if (r)
1240                 return r;
1241
1242         evergreen_mc_program(rdev);
1243         r = cayman_pcie_gart_enable(rdev);
1244         if (r)
1245                 return r;
1246         cayman_gpu_init(rdev);
1247
1248         r = evergreen_blit_init(rdev);
1249         if (r) {
1250                 r600_blit_fini(rdev);
1251                 rdev->asic->copy.copy = NULL;
1252                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1253         }
1254
1255         /* allocate rlc buffers */
1256         if (rdev->flags & RADEON_IS_IGP) {
1257                 r = si_rlc_init(rdev);
1258                 if (r) {
1259                         DRM_ERROR("Failed to init rlc BOs!\n");
1260                         return r;
1261                 }
1262         }
1263
1264         /* allocate wb buffer */
1265         r = radeon_wb_init(rdev);
1266         if (r)
1267                 return r;
1268
1269         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1270         if (r) {
1271                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1272                 return r;
1273         }
1274
1275         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
1276         if (r) {
1277                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1278                 return r;
1279         }
1280
1281         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
1282         if (r) {
1283                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1284                 return r;
1285         }
1286
1287         /* Enable IRQ */
1288         r = r600_irq_init(rdev);
1289         if (r) {
1290                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1291                 radeon_irq_kms_fini(rdev);
1292                 return r;
1293         }
1294         evergreen_irq_set(rdev);
1295
1296         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1297                              CP_RB0_RPTR, CP_RB0_WPTR,
1298                              0, 0xfffff, RADEON_CP_PACKET2);
1299         if (r)
1300                 return r;
1301         r = cayman_cp_load_microcode(rdev);
1302         if (r)
1303                 return r;
1304         r = cayman_cp_resume(rdev);
1305         if (r)
1306                 return r;
1307
1308         r = radeon_ib_pool_init(rdev);
1309         if (r) {
1310                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1311                 return r;
1312         }
1313
1314         r = radeon_vm_manager_init(rdev);
1315         if (r) {
1316                 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
1317                 return r;
1318         }
1319
1320         r = r600_audio_init(rdev);
1321         if (r)
1322                 return r;
1323
1324         return 0;
1325 }
1326
1327 int cayman_resume(struct radeon_device *rdev)
1328 {
1329         int r;
1330
1331         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1332          * posting will perform necessary task to bring back GPU into good
1333          * shape.
1334          */
1335         /* post card */
1336         atom_asic_init(rdev->mode_info.atom_context);
1337
1338         rdev->accel_working = true;
1339         r = cayman_startup(rdev);
1340         if (r) {
1341                 DRM_ERROR("cayman startup failed on resume\n");
1342                 rdev->accel_working = false;
1343                 return r;
1344         }
1345         return r;
1346 }
1347
1348 int cayman_suspend(struct radeon_device *rdev)
1349 {
1350         r600_audio_fini(rdev);
1351         cayman_cp_enable(rdev, false);
1352         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1353         evergreen_irq_suspend(rdev);
1354         radeon_wb_disable(rdev);
1355         cayman_pcie_gart_disable(rdev);
1356         return 0;
1357 }
1358
1359 /* Plan is to move initialization in that function and use
1360  * helper function so that radeon_device_init pretty much
1361  * do nothing more than calling asic specific function. This
1362  * should also allow to remove a bunch of callback function
1363  * like vram_info.
1364  */
1365 int cayman_init(struct radeon_device *rdev)
1366 {
1367         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1368         int r;
1369
1370         /* Read BIOS */
1371         if (!radeon_get_bios(rdev)) {
1372                 if (ASIC_IS_AVIVO(rdev))
1373                         return -EINVAL;
1374         }
1375         /* Must be an ATOMBIOS */
1376         if (!rdev->is_atom_bios) {
1377                 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1378                 return -EINVAL;
1379         }
1380         r = radeon_atombios_init(rdev);
1381         if (r)
1382                 return r;
1383
1384         /* Post card if necessary */
1385         if (!radeon_card_posted(rdev)) {
1386                 if (!rdev->bios) {
1387                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1388                         return -EINVAL;
1389                 }
1390                 DRM_INFO("GPU not posted. posting now...\n");
1391                 atom_asic_init(rdev->mode_info.atom_context);
1392         }
1393         /* Initialize scratch registers */
1394         r600_scratch_init(rdev);
1395         /* Initialize surface registers */
1396         radeon_surface_init(rdev);
1397         /* Initialize clocks */
1398         radeon_get_clock_info(rdev->ddev);
1399         /* Fence driver */
1400         r = radeon_fence_driver_init(rdev);
1401         if (r)
1402                 return r;
1403         /* initialize memory controller */
1404         r = evergreen_mc_init(rdev);
1405         if (r)
1406                 return r;
1407         /* Memory manager */
1408         r = radeon_bo_init(rdev);
1409         if (r)
1410                 return r;
1411
1412         r = radeon_irq_kms_init(rdev);
1413         if (r)
1414                 return r;
1415
1416         ring->ring_obj = NULL;
1417         r600_ring_init(rdev, ring, 1024 * 1024);
1418
1419         rdev->ih.ring_obj = NULL;
1420         r600_ih_ring_init(rdev, 64 * 1024);
1421
1422         r = r600_pcie_gart_init(rdev);
1423         if (r)
1424                 return r;
1425
1426         rdev->accel_working = true;
1427         r = cayman_startup(rdev);
1428         if (r) {
1429                 dev_err(rdev->dev, "disabling GPU acceleration\n");
1430                 cayman_cp_fini(rdev);
1431                 r600_irq_fini(rdev);
1432                 if (rdev->flags & RADEON_IS_IGP)
1433                         si_rlc_fini(rdev);
1434                 radeon_wb_fini(rdev);
1435                 radeon_ib_pool_fini(rdev);
1436                 radeon_vm_manager_fini(rdev);
1437                 radeon_irq_kms_fini(rdev);
1438                 cayman_pcie_gart_fini(rdev);
1439                 rdev->accel_working = false;
1440         }
1441
1442         /* Don't start up if the MC ucode is missing.
1443          * The default clocks and voltages before the MC ucode
1444          * is loaded are not suffient for advanced operations.
1445          *
1446          * We can skip this check for TN, because there is no MC
1447          * ucode.
1448          */
1449         if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
1450                 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1451                 return -EINVAL;
1452         }
1453
1454         return 0;
1455 }
1456
1457 void cayman_fini(struct radeon_device *rdev)
1458 {
1459         r600_blit_fini(rdev);
1460         cayman_cp_fini(rdev);
1461         r600_irq_fini(rdev);
1462         if (rdev->flags & RADEON_IS_IGP)
1463                 si_rlc_fini(rdev);
1464         radeon_wb_fini(rdev);
1465         radeon_vm_manager_fini(rdev);
1466         radeon_ib_pool_fini(rdev);
1467         radeon_irq_kms_fini(rdev);
1468         cayman_pcie_gart_fini(rdev);
1469         r600_vram_scratch_fini(rdev);
1470         radeon_gem_fini(rdev);
1471         radeon_fence_driver_fini(rdev);
1472         radeon_bo_fini(rdev);
1473         radeon_atombios_fini(rdev);
1474         kfree(rdev->bios);
1475         rdev->bios = NULL;
1476 }
1477
1478 /*
1479  * vm
1480  */
1481 int cayman_vm_init(struct radeon_device *rdev)
1482 {
1483         /* number of VMs */
1484         rdev->vm_manager.nvm = 8;
1485         /* base offset of vram pages */
1486         if (rdev->flags & RADEON_IS_IGP) {
1487                 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
1488                 tmp <<= 22;
1489                 rdev->vm_manager.vram_base_offset = tmp;
1490         } else
1491                 rdev->vm_manager.vram_base_offset = 0;
1492         return 0;
1493 }
1494
1495 void cayman_vm_fini(struct radeon_device *rdev)
1496 {
1497 }
1498
1499 int cayman_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id)
1500 {
1501         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (id << 2), 0);
1502         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (id << 2), vm->last_pfn);
1503         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (id << 2), vm->pt_gpu_addr >> 12);
1504         /* flush hdp cache */
1505         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1506         /* bits 0-7 are the VM contexts0-7 */
1507         WREG32(VM_INVALIDATE_REQUEST, 1 << id);
1508         return 0;
1509 }
1510
1511 void cayman_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm)
1512 {
1513         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0);
1514         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0);
1515         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0);
1516         /* flush hdp cache */
1517         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1518         /* bits 0-7 are the VM contexts0-7 */
1519         WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1520 }
1521
1522 void cayman_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm)
1523 {
1524         if (vm->id == -1)
1525                 return;
1526
1527         /* flush hdp cache */
1528         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1529         /* bits 0-7 are the VM contexts0-7 */
1530         WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1531 }
1532
1533 #define R600_PTE_VALID     (1 << 0)
1534 #define R600_PTE_SYSTEM    (1 << 1)
1535 #define R600_PTE_SNOOPED   (1 << 2)
1536 #define R600_PTE_READABLE  (1 << 5)
1537 #define R600_PTE_WRITEABLE (1 << 6)
1538
1539 uint32_t cayman_vm_page_flags(struct radeon_device *rdev,
1540                               struct radeon_vm *vm,
1541                               uint32_t flags)
1542 {
1543         uint32_t r600_flags = 0;
1544
1545         r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0;
1546         r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
1547         r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
1548         if (flags & RADEON_VM_PAGE_SYSTEM) {
1549                 r600_flags |= R600_PTE_SYSTEM;
1550                 r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
1551         }
1552         return r600_flags;
1553 }
1554
1555 void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm,
1556                         unsigned pfn, uint64_t addr, uint32_t flags)
1557 {
1558         void __iomem *ptr = (void *)vm->pt;
1559
1560         addr = addr & 0xFFFFFFFFFFFFF000ULL;
1561         addr |= flags;
1562         writeq(addr, ptr + (pfn * 8));
1563 }