Merge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
[firefly-linux-kernel-4.4.55.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                 if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
578                         rdev->config.cayman.tile_config |= 1 << 4;
579                 else
580                         rdev->config.cayman.tile_config |= 0 << 4;
581         }
582         rdev->config.cayman.tile_config |=
583                 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
584         rdev->config.cayman.tile_config |=
585                 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
586
587         tmp = 0;
588         for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
589                 u32 rb_disable_bitmap;
590
591                 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
592                 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
593                 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
594                 tmp <<= 4;
595                 tmp |= rb_disable_bitmap;
596         }
597         /* enabled rb are just the one not disabled :) */
598         disabled_rb_mask = tmp;
599
600         WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
601         WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
602
603         WREG32(GB_ADDR_CONFIG, gb_addr_config);
604         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
605         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
606
607         tmp = gb_addr_config & NUM_PIPES_MASK;
608         tmp = r6xx_remap_render_backend(rdev, tmp,
609                                         rdev->config.cayman.max_backends_per_se *
610                                         rdev->config.cayman.max_shader_engines,
611                                         CAYMAN_MAX_BACKENDS, disabled_rb_mask);
612         WREG32(GB_BACKEND_MAP, tmp);
613
614         cgts_tcc_disable = 0xffff0000;
615         for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
616                 cgts_tcc_disable &= ~(1 << (16 + i));
617         WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
618         WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
619         WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
620         WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
621
622         /* reprogram the shader complex */
623         cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
624         for (i = 0; i < 16; i++)
625                 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
626         WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
627
628         /* set HW defaults for 3D engine */
629         WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
630
631         sx_debug_1 = RREG32(SX_DEBUG_1);
632         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
633         WREG32(SX_DEBUG_1, sx_debug_1);
634
635         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
636         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
637         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
638         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
639
640         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
641
642         /* need to be explicitly zero-ed */
643         WREG32(VGT_OFFCHIP_LDS_BASE, 0);
644         WREG32(SQ_LSTMP_RING_BASE, 0);
645         WREG32(SQ_HSTMP_RING_BASE, 0);
646         WREG32(SQ_ESTMP_RING_BASE, 0);
647         WREG32(SQ_GSTMP_RING_BASE, 0);
648         WREG32(SQ_VSTMP_RING_BASE, 0);
649         WREG32(SQ_PSTMP_RING_BASE, 0);
650
651         WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
652
653         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
654                                         POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
655                                         SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
656
657         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
658                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
659                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
660
661
662         WREG32(VGT_NUM_INSTANCES, 1);
663
664         WREG32(CP_PERFMON_CNTL, 0);
665
666         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
667                                   FETCH_FIFO_HIWATER(0x4) |
668                                   DONE_FIFO_HIWATER(0xe0) |
669                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
670
671         WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
672         WREG32(SQ_CONFIG, (VC_ENABLE |
673                            EXPORT_SRC_C |
674                            GFX_PRIO(0) |
675                            CS1_PRIO(0) |
676                            CS2_PRIO(1)));
677         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
678
679         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
680                                           FORCE_EOV_MAX_REZ_CNT(255)));
681
682         WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
683                AUTO_INVLD_EN(ES_AND_GS_AUTO));
684
685         WREG32(VGT_GS_VERTEX_REUSE, 16);
686         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
687
688         WREG32(CB_PERF_CTR0_SEL_0, 0);
689         WREG32(CB_PERF_CTR0_SEL_1, 0);
690         WREG32(CB_PERF_CTR1_SEL_0, 0);
691         WREG32(CB_PERF_CTR1_SEL_1, 0);
692         WREG32(CB_PERF_CTR2_SEL_0, 0);
693         WREG32(CB_PERF_CTR2_SEL_1, 0);
694         WREG32(CB_PERF_CTR3_SEL_0, 0);
695         WREG32(CB_PERF_CTR3_SEL_1, 0);
696
697         tmp = RREG32(HDP_MISC_CNTL);
698         tmp |= HDP_FLUSH_INVALIDATE_CACHE;
699         WREG32(HDP_MISC_CNTL, tmp);
700
701         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
702         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
703
704         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
705
706         udelay(50);
707 }
708
709 /*
710  * GART
711  */
712 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
713 {
714         /* flush hdp cache */
715         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
716
717         /* bits 0-7 are the VM contexts0-7 */
718         WREG32(VM_INVALIDATE_REQUEST, 1);
719 }
720
721 int cayman_pcie_gart_enable(struct radeon_device *rdev)
722 {
723         int i, r;
724
725         if (rdev->gart.robj == NULL) {
726                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
727                 return -EINVAL;
728         }
729         r = radeon_gart_table_vram_pin(rdev);
730         if (r)
731                 return r;
732         radeon_gart_restore(rdev);
733         /* Setup TLB control */
734         WREG32(MC_VM_MX_L1_TLB_CNTL,
735                (0xA << 7) |
736                ENABLE_L1_TLB |
737                ENABLE_L1_FRAGMENT_PROCESSING |
738                SYSTEM_ACCESS_MODE_NOT_IN_SYS |
739                ENABLE_ADVANCED_DRIVER_MODEL |
740                SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
741         /* Setup L2 cache */
742         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
743                ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
744                ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
745                EFFECTIVE_L2_QUEUE_SIZE(7) |
746                CONTEXT1_IDENTITY_ACCESS_MODE(1));
747         WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
748         WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
749                L2_CACHE_BIGK_FRAGMENT_SIZE(6));
750         /* setup context0 */
751         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
752         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
753         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
754         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
755                         (u32)(rdev->dummy_page.addr >> 12));
756         WREG32(VM_CONTEXT0_CNTL2, 0);
757         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
758                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
759
760         WREG32(0x15D4, 0);
761         WREG32(0x15D8, 0);
762         WREG32(0x15DC, 0);
763
764         /* empty context1-7 */
765         for (i = 1; i < 8; i++) {
766                 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
767                 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
768                 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
769                         rdev->gart.table_addr >> 12);
770         }
771
772         /* enable context1-7 */
773         WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
774                (u32)(rdev->dummy_page.addr >> 12));
775         WREG32(VM_CONTEXT1_CNTL2, 0);
776         WREG32(VM_CONTEXT1_CNTL, 0);
777         WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
778                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
779
780         cayman_pcie_gart_tlb_flush(rdev);
781         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
782                  (unsigned)(rdev->mc.gtt_size >> 20),
783                  (unsigned long long)rdev->gart.table_addr);
784         rdev->gart.ready = true;
785         return 0;
786 }
787
788 void cayman_pcie_gart_disable(struct radeon_device *rdev)
789 {
790         /* Disable all tables */
791         WREG32(VM_CONTEXT0_CNTL, 0);
792         WREG32(VM_CONTEXT1_CNTL, 0);
793         /* Setup TLB control */
794         WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
795                SYSTEM_ACCESS_MODE_NOT_IN_SYS |
796                SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
797         /* Setup L2 cache */
798         WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
799                ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
800                EFFECTIVE_L2_QUEUE_SIZE(7) |
801                CONTEXT1_IDENTITY_ACCESS_MODE(1));
802         WREG32(VM_L2_CNTL2, 0);
803         WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
804                L2_CACHE_BIGK_FRAGMENT_SIZE(6));
805         radeon_gart_table_vram_unpin(rdev);
806 }
807
808 void cayman_pcie_gart_fini(struct radeon_device *rdev)
809 {
810         cayman_pcie_gart_disable(rdev);
811         radeon_gart_table_vram_free(rdev);
812         radeon_gart_fini(rdev);
813 }
814
815 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
816                               int ring, u32 cp_int_cntl)
817 {
818         u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
819
820         WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
821         WREG32(CP_INT_CNTL, cp_int_cntl);
822 }
823
824 /*
825  * CP.
826  */
827 void cayman_fence_ring_emit(struct radeon_device *rdev,
828                             struct radeon_fence *fence)
829 {
830         struct radeon_ring *ring = &rdev->ring[fence->ring];
831         u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
832
833         /* flush read cache over gart for this vmid */
834         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
835         radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
836         radeon_ring_write(ring, 0);
837         radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
838         radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
839         radeon_ring_write(ring, 0xFFFFFFFF);
840         radeon_ring_write(ring, 0);
841         radeon_ring_write(ring, 10); /* poll interval */
842         /* EVENT_WRITE_EOP - flush caches, send int */
843         radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
844         radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
845         radeon_ring_write(ring, addr & 0xffffffff);
846         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
847         radeon_ring_write(ring, fence->seq);
848         radeon_ring_write(ring, 0);
849 }
850
851 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
852 {
853         struct radeon_ring *ring = &rdev->ring[ib->fence->ring];
854
855         /* set to DX10/11 mode */
856         radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
857         radeon_ring_write(ring, 1);
858         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
859         radeon_ring_write(ring,
860 #ifdef __BIG_ENDIAN
861                           (2 << 0) |
862 #endif
863                           (ib->gpu_addr & 0xFFFFFFFC));
864         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
865         radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
866
867         /* flush read cache over gart for this vmid */
868         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
869         radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
870         radeon_ring_write(ring, ib->vm_id);
871         radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
872         radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
873         radeon_ring_write(ring, 0xFFFFFFFF);
874         radeon_ring_write(ring, 0);
875         radeon_ring_write(ring, 10); /* poll interval */
876 }
877
878 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
879 {
880         if (enable)
881                 WREG32(CP_ME_CNTL, 0);
882         else {
883                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
884                 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
885                 WREG32(SCRATCH_UMSK, 0);
886         }
887 }
888
889 static int cayman_cp_load_microcode(struct radeon_device *rdev)
890 {
891         const __be32 *fw_data;
892         int i;
893
894         if (!rdev->me_fw || !rdev->pfp_fw)
895                 return -EINVAL;
896
897         cayman_cp_enable(rdev, false);
898
899         fw_data = (const __be32 *)rdev->pfp_fw->data;
900         WREG32(CP_PFP_UCODE_ADDR, 0);
901         for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
902                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
903         WREG32(CP_PFP_UCODE_ADDR, 0);
904
905         fw_data = (const __be32 *)rdev->me_fw->data;
906         WREG32(CP_ME_RAM_WADDR, 0);
907         for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
908                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
909
910         WREG32(CP_PFP_UCODE_ADDR, 0);
911         WREG32(CP_ME_RAM_WADDR, 0);
912         WREG32(CP_ME_RAM_RADDR, 0);
913         return 0;
914 }
915
916 static int cayman_cp_start(struct radeon_device *rdev)
917 {
918         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
919         int r, i;
920
921         r = radeon_ring_lock(rdev, ring, 7);
922         if (r) {
923                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
924                 return r;
925         }
926         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
927         radeon_ring_write(ring, 0x1);
928         radeon_ring_write(ring, 0x0);
929         radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
930         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
931         radeon_ring_write(ring, 0);
932         radeon_ring_write(ring, 0);
933         radeon_ring_unlock_commit(rdev, ring);
934
935         cayman_cp_enable(rdev, true);
936
937         r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
938         if (r) {
939                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
940                 return r;
941         }
942
943         /* setup clear context state */
944         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
945         radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
946
947         for (i = 0; i < cayman_default_size; i++)
948                 radeon_ring_write(ring, cayman_default_state[i]);
949
950         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
951         radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
952
953         /* set clear context state */
954         radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
955         radeon_ring_write(ring, 0);
956
957         /* SQ_VTX_BASE_VTX_LOC */
958         radeon_ring_write(ring, 0xc0026f00);
959         radeon_ring_write(ring, 0x00000000);
960         radeon_ring_write(ring, 0x00000000);
961         radeon_ring_write(ring, 0x00000000);
962
963         /* Clear consts */
964         radeon_ring_write(ring, 0xc0036f00);
965         radeon_ring_write(ring, 0x00000bc4);
966         radeon_ring_write(ring, 0xffffffff);
967         radeon_ring_write(ring, 0xffffffff);
968         radeon_ring_write(ring, 0xffffffff);
969
970         radeon_ring_write(ring, 0xc0026900);
971         radeon_ring_write(ring, 0x00000316);
972         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
973         radeon_ring_write(ring, 0x00000010); /*  */
974
975         radeon_ring_unlock_commit(rdev, ring);
976
977         /* XXX init other rings */
978
979         return 0;
980 }
981
982 static void cayman_cp_fini(struct radeon_device *rdev)
983 {
984         cayman_cp_enable(rdev, false);
985         radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
986 }
987
988 int cayman_cp_resume(struct radeon_device *rdev)
989 {
990         struct radeon_ring *ring;
991         u32 tmp;
992         u32 rb_bufsz;
993         int r;
994
995         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
996         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
997                                  SOFT_RESET_PA |
998                                  SOFT_RESET_SH |
999                                  SOFT_RESET_VGT |
1000                                  SOFT_RESET_SPI |
1001                                  SOFT_RESET_SX));
1002         RREG32(GRBM_SOFT_RESET);
1003         mdelay(15);
1004         WREG32(GRBM_SOFT_RESET, 0);
1005         RREG32(GRBM_SOFT_RESET);
1006
1007         WREG32(CP_SEM_WAIT_TIMER, 0x0);
1008         WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1009
1010         /* Set the write pointer delay */
1011         WREG32(CP_RB_WPTR_DELAY, 0);
1012
1013         WREG32(CP_DEBUG, (1 << 27));
1014
1015         /* ring 0 - compute and gfx */
1016         /* Set ring buffer size */
1017         ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1018         rb_bufsz = drm_order(ring->ring_size / 8);
1019         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1020 #ifdef __BIG_ENDIAN
1021         tmp |= BUF_SWAP_32BIT;
1022 #endif
1023         WREG32(CP_RB0_CNTL, tmp);
1024
1025         /* Initialize the ring buffer's read and write pointers */
1026         WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
1027         ring->wptr = 0;
1028         WREG32(CP_RB0_WPTR, ring->wptr);
1029
1030         /* set the wb address wether it's enabled or not */
1031         WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1032         WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1033         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1034
1035         if (rdev->wb.enabled)
1036                 WREG32(SCRATCH_UMSK, 0xff);
1037         else {
1038                 tmp |= RB_NO_UPDATE;
1039                 WREG32(SCRATCH_UMSK, 0);
1040         }
1041
1042         mdelay(1);
1043         WREG32(CP_RB0_CNTL, tmp);
1044
1045         WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
1046
1047         ring->rptr = RREG32(CP_RB0_RPTR);
1048
1049         /* ring1  - compute only */
1050         /* Set ring buffer size */
1051         ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
1052         rb_bufsz = drm_order(ring->ring_size / 8);
1053         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1054 #ifdef __BIG_ENDIAN
1055         tmp |= BUF_SWAP_32BIT;
1056 #endif
1057         WREG32(CP_RB1_CNTL, tmp);
1058
1059         /* Initialize the ring buffer's read and write pointers */
1060         WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
1061         ring->wptr = 0;
1062         WREG32(CP_RB1_WPTR, ring->wptr);
1063
1064         /* set the wb address wether it's enabled or not */
1065         WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
1066         WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
1067
1068         mdelay(1);
1069         WREG32(CP_RB1_CNTL, tmp);
1070
1071         WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
1072
1073         ring->rptr = RREG32(CP_RB1_RPTR);
1074
1075         /* ring2 - compute only */
1076         /* Set ring buffer size */
1077         ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
1078         rb_bufsz = drm_order(ring->ring_size / 8);
1079         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1080 #ifdef __BIG_ENDIAN
1081         tmp |= BUF_SWAP_32BIT;
1082 #endif
1083         WREG32(CP_RB2_CNTL, tmp);
1084
1085         /* Initialize the ring buffer's read and write pointers */
1086         WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
1087         ring->wptr = 0;
1088         WREG32(CP_RB2_WPTR, ring->wptr);
1089
1090         /* set the wb address wether it's enabled or not */
1091         WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
1092         WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
1093
1094         mdelay(1);
1095         WREG32(CP_RB2_CNTL, tmp);
1096
1097         WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
1098
1099         ring->rptr = RREG32(CP_RB2_RPTR);
1100
1101         /* start the rings */
1102         cayman_cp_start(rdev);
1103         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1104         rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1105         rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1106         /* this only test cp0 */
1107         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1108         if (r) {
1109                 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1110                 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1111                 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1112                 return r;
1113         }
1114
1115         return 0;
1116 }
1117
1118 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1119 {
1120         struct evergreen_mc_save save;
1121         u32 grbm_reset = 0;
1122
1123         if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1124                 return 0;
1125
1126         dev_info(rdev->dev, "GPU softreset \n");
1127         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1128                 RREG32(GRBM_STATUS));
1129         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1130                 RREG32(GRBM_STATUS_SE0));
1131         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1132                 RREG32(GRBM_STATUS_SE1));
1133         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1134                 RREG32(SRBM_STATUS));
1135         dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1136                  RREG32(0x14F8));
1137         dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1138                  RREG32(0x14D8));
1139         dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1140                  RREG32(0x14FC));
1141         dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1142                  RREG32(0x14DC));
1143
1144         evergreen_mc_stop(rdev, &save);
1145         if (evergreen_mc_wait_for_idle(rdev)) {
1146                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1147         }
1148         /* Disable CP parsing/prefetching */
1149         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1150
1151         /* reset all the gfx blocks */
1152         grbm_reset = (SOFT_RESET_CP |
1153                       SOFT_RESET_CB |
1154                       SOFT_RESET_DB |
1155                       SOFT_RESET_GDS |
1156                       SOFT_RESET_PA |
1157                       SOFT_RESET_SC |
1158                       SOFT_RESET_SPI |
1159                       SOFT_RESET_SH |
1160                       SOFT_RESET_SX |
1161                       SOFT_RESET_TC |
1162                       SOFT_RESET_TA |
1163                       SOFT_RESET_VGT |
1164                       SOFT_RESET_IA);
1165
1166         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1167         WREG32(GRBM_SOFT_RESET, grbm_reset);
1168         (void)RREG32(GRBM_SOFT_RESET);
1169         udelay(50);
1170         WREG32(GRBM_SOFT_RESET, 0);
1171         (void)RREG32(GRBM_SOFT_RESET);
1172         /* Wait a little for things to settle down */
1173         udelay(50);
1174
1175         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1176                 RREG32(GRBM_STATUS));
1177         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1178                 RREG32(GRBM_STATUS_SE0));
1179         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1180                 RREG32(GRBM_STATUS_SE1));
1181         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1182                 RREG32(SRBM_STATUS));
1183         evergreen_mc_resume(rdev, &save);
1184         return 0;
1185 }
1186
1187 int cayman_asic_reset(struct radeon_device *rdev)
1188 {
1189         return cayman_gpu_soft_reset(rdev);
1190 }
1191
1192 static int cayman_startup(struct radeon_device *rdev)
1193 {
1194         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1195         int r;
1196
1197         /* enable pcie gen2 link */
1198         evergreen_pcie_gen2_enable(rdev);
1199
1200         if (rdev->flags & RADEON_IS_IGP) {
1201                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1202                         r = ni_init_microcode(rdev);
1203                         if (r) {
1204                                 DRM_ERROR("Failed to load firmware!\n");
1205                                 return r;
1206                         }
1207                 }
1208         } else {
1209                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1210                         r = ni_init_microcode(rdev);
1211                         if (r) {
1212                                 DRM_ERROR("Failed to load firmware!\n");
1213                                 return r;
1214                         }
1215                 }
1216
1217                 r = ni_mc_load_microcode(rdev);
1218                 if (r) {
1219                         DRM_ERROR("Failed to load MC firmware!\n");
1220                         return r;
1221                 }
1222         }
1223
1224         r = r600_vram_scratch_init(rdev);
1225         if (r)
1226                 return r;
1227
1228         evergreen_mc_program(rdev);
1229         r = cayman_pcie_gart_enable(rdev);
1230         if (r)
1231                 return r;
1232         cayman_gpu_init(rdev);
1233
1234         r = evergreen_blit_init(rdev);
1235         if (r) {
1236                 r600_blit_fini(rdev);
1237                 rdev->asic->copy.copy = NULL;
1238                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1239         }
1240
1241         /* allocate rlc buffers */
1242         if (rdev->flags & RADEON_IS_IGP) {
1243                 r = si_rlc_init(rdev);
1244                 if (r) {
1245                         DRM_ERROR("Failed to init rlc BOs!\n");
1246                         return r;
1247                 }
1248         }
1249
1250         /* allocate wb buffer */
1251         r = radeon_wb_init(rdev);
1252         if (r)
1253                 return r;
1254
1255         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1256         if (r) {
1257                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1258                 return r;
1259         }
1260
1261         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
1262         if (r) {
1263                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1264                 return r;
1265         }
1266
1267         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
1268         if (r) {
1269                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1270                 return r;
1271         }
1272
1273         /* Enable IRQ */
1274         r = r600_irq_init(rdev);
1275         if (r) {
1276                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1277                 radeon_irq_kms_fini(rdev);
1278                 return r;
1279         }
1280         evergreen_irq_set(rdev);
1281
1282         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1283                              CP_RB0_RPTR, CP_RB0_WPTR,
1284                              0, 0xfffff, RADEON_CP_PACKET2);
1285         if (r)
1286                 return r;
1287         r = cayman_cp_load_microcode(rdev);
1288         if (r)
1289                 return r;
1290         r = cayman_cp_resume(rdev);
1291         if (r)
1292                 return r;
1293
1294         r = radeon_ib_pool_start(rdev);
1295         if (r)
1296                 return r;
1297
1298         r = radeon_ib_ring_tests(rdev);
1299         if (r)
1300                 return r;
1301
1302         r = radeon_vm_manager_start(rdev);
1303         if (r)
1304                 return r;
1305
1306         return 0;
1307 }
1308
1309 int cayman_resume(struct radeon_device *rdev)
1310 {
1311         int r;
1312
1313         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1314          * posting will perform necessary task to bring back GPU into good
1315          * shape.
1316          */
1317         /* post card */
1318         atom_asic_init(rdev->mode_info.atom_context);
1319
1320         rdev->accel_working = true;
1321         r = cayman_startup(rdev);
1322         if (r) {
1323                 DRM_ERROR("cayman startup failed on resume\n");
1324                 rdev->accel_working = false;
1325                 return r;
1326         }
1327         return r;
1328 }
1329
1330 int cayman_suspend(struct radeon_device *rdev)
1331 {
1332         /* FIXME: we should wait for ring to be empty */
1333         radeon_ib_pool_suspend(rdev);
1334         radeon_vm_manager_suspend(rdev);
1335         r600_blit_suspend(rdev);
1336         cayman_cp_enable(rdev, false);
1337         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1338         evergreen_irq_suspend(rdev);
1339         radeon_wb_disable(rdev);
1340         cayman_pcie_gart_disable(rdev);
1341         return 0;
1342 }
1343
1344 /* Plan is to move initialization in that function and use
1345  * helper function so that radeon_device_init pretty much
1346  * do nothing more than calling asic specific function. This
1347  * should also allow to remove a bunch of callback function
1348  * like vram_info.
1349  */
1350 int cayman_init(struct radeon_device *rdev)
1351 {
1352         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1353         int r;
1354
1355         /* Read BIOS */
1356         if (!radeon_get_bios(rdev)) {
1357                 if (ASIC_IS_AVIVO(rdev))
1358                         return -EINVAL;
1359         }
1360         /* Must be an ATOMBIOS */
1361         if (!rdev->is_atom_bios) {
1362                 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1363                 return -EINVAL;
1364         }
1365         r = radeon_atombios_init(rdev);
1366         if (r)
1367                 return r;
1368
1369         /* Post card if necessary */
1370         if (!radeon_card_posted(rdev)) {
1371                 if (!rdev->bios) {
1372                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1373                         return -EINVAL;
1374                 }
1375                 DRM_INFO("GPU not posted. posting now...\n");
1376                 atom_asic_init(rdev->mode_info.atom_context);
1377         }
1378         /* Initialize scratch registers */
1379         r600_scratch_init(rdev);
1380         /* Initialize surface registers */
1381         radeon_surface_init(rdev);
1382         /* Initialize clocks */
1383         radeon_get_clock_info(rdev->ddev);
1384         /* Fence driver */
1385         r = radeon_fence_driver_init(rdev);
1386         if (r)
1387                 return r;
1388         /* initialize memory controller */
1389         r = evergreen_mc_init(rdev);
1390         if (r)
1391                 return r;
1392         /* Memory manager */
1393         r = radeon_bo_init(rdev);
1394         if (r)
1395                 return r;
1396
1397         r = radeon_irq_kms_init(rdev);
1398         if (r)
1399                 return r;
1400
1401         ring->ring_obj = NULL;
1402         r600_ring_init(rdev, ring, 1024 * 1024);
1403
1404         rdev->ih.ring_obj = NULL;
1405         r600_ih_ring_init(rdev, 64 * 1024);
1406
1407         r = r600_pcie_gart_init(rdev);
1408         if (r)
1409                 return r;
1410
1411         r = radeon_ib_pool_init(rdev);
1412         rdev->accel_working = true;
1413         if (r) {
1414                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1415                 rdev->accel_working = false;
1416         }
1417         r = radeon_vm_manager_init(rdev);
1418         if (r) {
1419                 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
1420         }
1421
1422         r = cayman_startup(rdev);
1423         if (r) {
1424                 dev_err(rdev->dev, "disabling GPU acceleration\n");
1425                 cayman_cp_fini(rdev);
1426                 r600_irq_fini(rdev);
1427                 if (rdev->flags & RADEON_IS_IGP)
1428                         si_rlc_fini(rdev);
1429                 radeon_wb_fini(rdev);
1430                 r100_ib_fini(rdev);
1431                 radeon_vm_manager_fini(rdev);
1432                 radeon_irq_kms_fini(rdev);
1433                 cayman_pcie_gart_fini(rdev);
1434                 rdev->accel_working = false;
1435         }
1436
1437         /* Don't start up if the MC ucode is missing.
1438          * The default clocks and voltages before the MC ucode
1439          * is loaded are not suffient for advanced operations.
1440          *
1441          * We can skip this check for TN, because there is no MC
1442          * ucode.
1443          */
1444         if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
1445                 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1446                 return -EINVAL;
1447         }
1448
1449         return 0;
1450 }
1451
1452 void cayman_fini(struct radeon_device *rdev)
1453 {
1454         r600_blit_fini(rdev);
1455         cayman_cp_fini(rdev);
1456         r600_irq_fini(rdev);
1457         if (rdev->flags & RADEON_IS_IGP)
1458                 si_rlc_fini(rdev);
1459         radeon_wb_fini(rdev);
1460         radeon_vm_manager_fini(rdev);
1461         r100_ib_fini(rdev);
1462         radeon_irq_kms_fini(rdev);
1463         cayman_pcie_gart_fini(rdev);
1464         r600_vram_scratch_fini(rdev);
1465         radeon_gem_fini(rdev);
1466         radeon_fence_driver_fini(rdev);
1467         radeon_bo_fini(rdev);
1468         radeon_atombios_fini(rdev);
1469         kfree(rdev->bios);
1470         rdev->bios = NULL;
1471 }
1472
1473 /*
1474  * vm
1475  */
1476 int cayman_vm_init(struct radeon_device *rdev)
1477 {
1478         /* number of VMs */
1479         rdev->vm_manager.nvm = 8;
1480         /* base offset of vram pages */
1481         if (rdev->flags & RADEON_IS_IGP) {
1482                 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
1483                 tmp <<= 22;
1484                 rdev->vm_manager.vram_base_offset = tmp;
1485         } else
1486                 rdev->vm_manager.vram_base_offset = 0;
1487         return 0;
1488 }
1489
1490 void cayman_vm_fini(struct radeon_device *rdev)
1491 {
1492 }
1493
1494 int cayman_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id)
1495 {
1496         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (id << 2), 0);
1497         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (id << 2), vm->last_pfn);
1498         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (id << 2), vm->pt_gpu_addr >> 12);
1499         /* flush hdp cache */
1500         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1501         /* bits 0-7 are the VM contexts0-7 */
1502         WREG32(VM_INVALIDATE_REQUEST, 1 << id);
1503         return 0;
1504 }
1505
1506 void cayman_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm)
1507 {
1508         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0);
1509         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0);
1510         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0);
1511         /* flush hdp cache */
1512         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1513         /* bits 0-7 are the VM contexts0-7 */
1514         WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1515 }
1516
1517 void cayman_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm)
1518 {
1519         if (vm->id == -1)
1520                 return;
1521
1522         /* flush hdp cache */
1523         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1524         /* bits 0-7 are the VM contexts0-7 */
1525         WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1526 }
1527
1528 #define R600_PTE_VALID     (1 << 0)
1529 #define R600_PTE_SYSTEM    (1 << 1)
1530 #define R600_PTE_SNOOPED   (1 << 2)
1531 #define R600_PTE_READABLE  (1 << 5)
1532 #define R600_PTE_WRITEABLE (1 << 6)
1533
1534 uint32_t cayman_vm_page_flags(struct radeon_device *rdev,
1535                               struct radeon_vm *vm,
1536                               uint32_t flags)
1537 {
1538         uint32_t r600_flags = 0;
1539
1540         r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0;
1541         r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
1542         r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
1543         if (flags & RADEON_VM_PAGE_SYSTEM) {
1544                 r600_flags |= R600_PTE_SYSTEM;
1545                 r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
1546         }
1547         return r600_flags;
1548 }
1549
1550 void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm,
1551                         unsigned pfn, uint64_t addr, uint32_t flags)
1552 {
1553         void __iomem *ptr = (void *)vm->pt;
1554
1555         addr = addr & 0xFFFFFFFFFFFFF000ULL;
1556         addr |= flags;
1557         writeq(addr, ptr + (pfn * 8));
1558 }