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Linux 4.2.1
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / vi.c
blob68552da4028740167ddb20289c274bc332935172
1 /*
2 * Copyright 2014 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 */
23 #include <linux/firmware.h>
24 #include <linux/slab.h>
25 #include <linux/module.h>
26 #include "drmP.h"
27 #include "amdgpu.h"
28 #include "amdgpu_atombios.h"
29 #include "amdgpu_ih.h"
30 #include "amdgpu_uvd.h"
31 #include "amdgpu_vce.h"
32 #include "amdgpu_ucode.h"
33 #include "atom.h"
34
35 #include "gmc/gmc_8_1_d.h"
36 #include "gmc/gmc_8_1_sh_mask.h"
37
38 #include "oss/oss_3_0_d.h"
39 #include "oss/oss_3_0_sh_mask.h"
40
41 #include "bif/bif_5_0_d.h"
42 #include "bif/bif_5_0_sh_mask.h"
43
44 #include "gca/gfx_8_0_d.h"
45 #include "gca/gfx_8_0_sh_mask.h"
46
47 #include "smu/smu_7_1_1_d.h"
48 #include "smu/smu_7_1_1_sh_mask.h"
49
50 #include "uvd/uvd_5_0_d.h"
51 #include "uvd/uvd_5_0_sh_mask.h"
52
53 #include "vce/vce_3_0_d.h"
54 #include "vce/vce_3_0_sh_mask.h"
55
56 #include "dce/dce_10_0_d.h"
57 #include "dce/dce_10_0_sh_mask.h"
58
59 #include "vid.h"
60 #include "vi.h"
61 #include "vi_dpm.h"
62 #include "gmc_v8_0.h"
63 #include "gfx_v8_0.h"
64 #include "sdma_v2_4.h"
65 #include "sdma_v3_0.h"
66 #include "dce_v10_0.h"
67 #include "dce_v11_0.h"
68 #include "iceland_ih.h"
69 #include "tonga_ih.h"
70 #include "cz_ih.h"
71 #include "uvd_v5_0.h"
72 #include "uvd_v6_0.h"
73 #include "vce_v3_0.h"
74
75 /*
76 * Indirect registers accessor
77 */
78 static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg)
79 {
80 unsigned long flags;
81 u32 r;
82
83 spin_lock_irqsave(&adev->pcie_idx_lock, flags);
84 WREG32(mmPCIE_INDEX, reg);
85 (void)RREG32(mmPCIE_INDEX);
86 r = RREG32(mmPCIE_DATA);
87 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
88 return r;
89 }
90
91 static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
92 {
93 unsigned long flags;
94
95 spin_lock_irqsave(&adev->pcie_idx_lock, flags);
96 WREG32(mmPCIE_INDEX, reg);
97 (void)RREG32(mmPCIE_INDEX);
98 WREG32(mmPCIE_DATA, v);
99 (void)RREG32(mmPCIE_DATA);
100 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
101 }
102
103 static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
104 {
105 unsigned long flags;
106 u32 r;
107
108 spin_lock_irqsave(&adev->smc_idx_lock, flags);
109 WREG32(mmSMC_IND_INDEX_0, (reg));
110 r = RREG32(mmSMC_IND_DATA_0);
111 spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
112 return r;
113 }
114
115 static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
116 {
117 unsigned long flags;
118
119 spin_lock_irqsave(&adev->smc_idx_lock, flags);
120 WREG32(mmSMC_IND_INDEX_0, (reg));
121 WREG32(mmSMC_IND_DATA_0, (v));
122 spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
123 }
124
125 /* smu_8_0_d.h */
126 #define mmMP0PUB_IND_INDEX 0x180
127 #define mmMP0PUB_IND_DATA 0x181
128
129 static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
130 {
131 unsigned long flags;
132 u32 r;
133
134 spin_lock_irqsave(&adev->smc_idx_lock, flags);
135 WREG32(mmMP0PUB_IND_INDEX, (reg));
136 r = RREG32(mmMP0PUB_IND_DATA);
137 spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
138 return r;
139 }
140
141 static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
142 {
143 unsigned long flags;
144
145 spin_lock_irqsave(&adev->smc_idx_lock, flags);
146 WREG32(mmMP0PUB_IND_INDEX, (reg));
147 WREG32(mmMP0PUB_IND_DATA, (v));
148 spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
149 }
150
151 static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
152 {
153 unsigned long flags;
154 u32 r;
155
156 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
157 WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
158 r = RREG32(mmUVD_CTX_DATA);
159 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
160 return r;
161 }
162
163 static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
164 {
165 unsigned long flags;
166
167 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
168 WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
169 WREG32(mmUVD_CTX_DATA, (v));
170 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
171 }
172
173 static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
174 {
175 unsigned long flags;
176 u32 r;
177
178 spin_lock_irqsave(&adev->didt_idx_lock, flags);
179 WREG32(mmDIDT_IND_INDEX, (reg));
180 r = RREG32(mmDIDT_IND_DATA);
181 spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
182 return r;
183 }
184
185 static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
186 {
187 unsigned long flags;
188
189 spin_lock_irqsave(&adev->didt_idx_lock, flags);
190 WREG32(mmDIDT_IND_INDEX, (reg));
191 WREG32(mmDIDT_IND_DATA, (v));
192 spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
193 }
194
195 static const u32 tonga_mgcg_cgcg_init[] =
196 {
197 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
198 mmPCIE_INDEX, 0xffffffff, 0x0140001c,
199 mmPCIE_DATA, 0x000f0000, 0x00000000,
200 mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
201 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
202 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
203 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
204 };
205
206 static const u32 iceland_mgcg_cgcg_init[] =
207 {
208 mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2,
209 mmPCIE_DATA, 0x000f0000, 0x00000000,
210 mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,
211 mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
212 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
213 };
214
215 static const u32 cz_mgcg_cgcg_init[] =
216 {
217 mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
218 mmPCIE_INDEX, 0xffffffff, 0x0140001c,
219 mmPCIE_DATA, 0x000f0000, 0x00000000,
220 mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
221 mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
222 };
223
224 static void vi_init_golden_registers(struct amdgpu_device *adev)
225 {
226 /* Some of the registers might be dependent on GRBM_GFX_INDEX */
227 mutex_lock(&adev->grbm_idx_mutex);
228
229 switch (adev->asic_type) {
230 case CHIP_TOPAZ:
231 amdgpu_program_register_sequence(adev,
232 iceland_mgcg_cgcg_init,
233 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
234 break;
235 case CHIP_TONGA:
236 amdgpu_program_register_sequence(adev,
237 tonga_mgcg_cgcg_init,
238 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
239 break;
240 case CHIP_CARRIZO:
241 amdgpu_program_register_sequence(adev,
242 cz_mgcg_cgcg_init,
243 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
244 break;
245 default:
246 break;
247 }
248 mutex_unlock(&adev->grbm_idx_mutex);
249 }
250
251 /**
252 * vi_get_xclk - get the xclk
253 *
254 * @adev: amdgpu_device pointer
255 *
256 * Returns the reference clock used by the gfx engine
257 * (VI).
258 */
259 static u32 vi_get_xclk(struct amdgpu_device *adev)
260 {
261 u32 reference_clock = adev->clock.spll.reference_freq;
262 u32 tmp;
263
264 if (adev->flags & AMDGPU_IS_APU)
265 return reference_clock;
266
267 tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
268 if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
269 return 1000;
270
271 tmp = RREG32_SMC(ixCG_CLKPIN_CNTL);
272 if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE))
273 return reference_clock / 4;
274
275 return reference_clock;
276 }
277
278 /**
279 * vi_srbm_select - select specific register instances
280 *
281 * @adev: amdgpu_device pointer
282 * @me: selected ME (micro engine)
283 * @pipe: pipe
284 * @queue: queue
285 * @vmid: VMID
286 *
287 * Switches the currently active registers instances. Some
288 * registers are instanced per VMID, others are instanced per
289 * me/pipe/queue combination.
290 */
291 void vi_srbm_select(struct amdgpu_device *adev,
292 u32 me, u32 pipe, u32 queue, u32 vmid)
293 {
294 u32 srbm_gfx_cntl = 0;
295 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe);
296 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me);
297 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid);
298 srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue);
299 WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
300 }
301
302 static void vi_vga_set_state(struct amdgpu_device *adev, bool state)
303 {
304 /* todo */
305 }
306
307 static bool vi_read_disabled_bios(struct amdgpu_device *adev)
308 {
309 u32 bus_cntl;
310 u32 d1vga_control = 0;
311 u32 d2vga_control = 0;
312 u32 vga_render_control = 0;
313 u32 rom_cntl;
314 bool r;
315
316 bus_cntl = RREG32(mmBUS_CNTL);
317 if (adev->mode_info.num_crtc) {
318 d1vga_control = RREG32(mmD1VGA_CONTROL);
319 d2vga_control = RREG32(mmD2VGA_CONTROL);
320 vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
321 }
322 rom_cntl = RREG32_SMC(ixROM_CNTL);
323
324 /* enable the rom */
325 WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
326 if (adev->mode_info.num_crtc) {
327 /* Disable VGA mode */
328 WREG32(mmD1VGA_CONTROL,
329 (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
330 D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
331 WREG32(mmD2VGA_CONTROL,
332 (d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK |
333 D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK)));
334 WREG32(mmVGA_RENDER_CONTROL,
335 (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
336 }
337 WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
338
339 r = amdgpu_read_bios(adev);
340
341 /* restore regs */
342 WREG32(mmBUS_CNTL, bus_cntl);
343 if (adev->mode_info.num_crtc) {
344 WREG32(mmD1VGA_CONTROL, d1vga_control);
345 WREG32(mmD2VGA_CONTROL, d2vga_control);
346 WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
347 }
348 WREG32_SMC(ixROM_CNTL, rom_cntl);
349 return r;
350 }
351 static struct amdgpu_allowed_register_entry tonga_allowed_read_registers[] = {
352 {mmGB_MACROTILE_MODE7, true},
353 };
354
355 static struct amdgpu_allowed_register_entry cz_allowed_read_registers[] = {
356 {mmGB_TILE_MODE7, true},
357 {mmGB_TILE_MODE12, true},
358 {mmGB_TILE_MODE17, true},
359 {mmGB_TILE_MODE23, true},
360 {mmGB_MACROTILE_MODE7, true},
361 };
362
363 static struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
364 {mmGRBM_STATUS, false},
365 {mmGB_ADDR_CONFIG, false},
366 {mmMC_ARB_RAMCFG, false},
367 {mmGB_TILE_MODE0, false},
368 {mmGB_TILE_MODE1, false},
369 {mmGB_TILE_MODE2, false},
370 {mmGB_TILE_MODE3, false},
371 {mmGB_TILE_MODE4, false},
372 {mmGB_TILE_MODE5, false},
373 {mmGB_TILE_MODE6, false},
374 {mmGB_TILE_MODE7, false},
375 {mmGB_TILE_MODE8, false},
376 {mmGB_TILE_MODE9, false},
377 {mmGB_TILE_MODE10, false},
378 {mmGB_TILE_MODE11, false},
379 {mmGB_TILE_MODE12, false},
380 {mmGB_TILE_MODE13, false},
381 {mmGB_TILE_MODE14, false},
382 {mmGB_TILE_MODE15, false},
383 {mmGB_TILE_MODE16, false},
384 {mmGB_TILE_MODE17, false},
385 {mmGB_TILE_MODE18, false},
386 {mmGB_TILE_MODE19, false},
387 {mmGB_TILE_MODE20, false},
388 {mmGB_TILE_MODE21, false},
389 {mmGB_TILE_MODE22, false},
390 {mmGB_TILE_MODE23, false},
391 {mmGB_TILE_MODE24, false},
392 {mmGB_TILE_MODE25, false},
393 {mmGB_TILE_MODE26, false},
394 {mmGB_TILE_MODE27, false},
395 {mmGB_TILE_MODE28, false},
396 {mmGB_TILE_MODE29, false},
397 {mmGB_TILE_MODE30, false},
398 {mmGB_TILE_MODE31, false},
399 {mmGB_MACROTILE_MODE0, false},
400 {mmGB_MACROTILE_MODE1, false},
401 {mmGB_MACROTILE_MODE2, false},
402 {mmGB_MACROTILE_MODE3, false},
403 {mmGB_MACROTILE_MODE4, false},
404 {mmGB_MACROTILE_MODE5, false},
405 {mmGB_MACROTILE_MODE6, false},
406 {mmGB_MACROTILE_MODE7, false},
407 {mmGB_MACROTILE_MODE8, false},
408 {mmGB_MACROTILE_MODE9, false},
409 {mmGB_MACROTILE_MODE10, false},
410 {mmGB_MACROTILE_MODE11, false},
411 {mmGB_MACROTILE_MODE12, false},
412 {mmGB_MACROTILE_MODE13, false},
413 {mmGB_MACROTILE_MODE14, false},
414 {mmGB_MACROTILE_MODE15, false},
415 {mmCC_RB_BACKEND_DISABLE, false, true},
416 {mmGC_USER_RB_BACKEND_DISABLE, false, true},
417 {mmGB_BACKEND_MAP, false, false},
418 {mmPA_SC_RASTER_CONFIG, false, true},
419 {mmPA_SC_RASTER_CONFIG_1, false, true},
420 };
421
422 static uint32_t vi_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
423 u32 sh_num, u32 reg_offset)
424 {
425 uint32_t val;
426
427 mutex_lock(&adev->grbm_idx_mutex);
428 if (se_num != 0xffffffff || sh_num != 0xffffffff)
429 gfx_v8_0_select_se_sh(adev, se_num, sh_num);
430
431 val = RREG32(reg_offset);
432
433 if (se_num != 0xffffffff || sh_num != 0xffffffff)
434 gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff);
435 mutex_unlock(&adev->grbm_idx_mutex);
436 return val;
437 }
438
439 static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
440 u32 sh_num, u32 reg_offset, u32 *value)
441 {
442 struct amdgpu_allowed_register_entry *asic_register_table = NULL;
443 struct amdgpu_allowed_register_entry *asic_register_entry;
444 uint32_t size, i;
445
446 *value = 0;
447 switch (adev->asic_type) {
448 case CHIP_TOPAZ:
449 asic_register_table = tonga_allowed_read_registers;
450 size = ARRAY_SIZE(tonga_allowed_read_registers);
451 break;
452 case CHIP_TONGA:
453 case CHIP_CARRIZO:
454 asic_register_table = cz_allowed_read_registers;
455 size = ARRAY_SIZE(cz_allowed_read_registers);
456 break;
457 default:
458 return -EINVAL;
459 }
460
461 if (asic_register_table) {
462 for (i = 0; i < size; i++) {
463 asic_register_entry = asic_register_table + i;
464 if (reg_offset != asic_register_entry->reg_offset)
465 continue;
466 if (!asic_register_entry->untouched)
467 *value = asic_register_entry->grbm_indexed ?
468 vi_read_indexed_register(adev, se_num,
469 sh_num, reg_offset) :
470 RREG32(reg_offset);
471 return 0;
472 }
473 }
474
475 for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) {
476 if (reg_offset != vi_allowed_read_registers[i].reg_offset)
477 continue;
478
479 if (!vi_allowed_read_registers[i].untouched)
480 *value = vi_allowed_read_registers[i].grbm_indexed ?
481 vi_read_indexed_register(adev, se_num,
482 sh_num, reg_offset) :
483 RREG32(reg_offset);
484 return 0;
485 }
486 return -EINVAL;
487 }
488
489 static void vi_print_gpu_status_regs(struct amdgpu_device *adev)
490 {
491 dev_info(adev->dev, " GRBM_STATUS=0x%08X\n",
492 RREG32(mmGRBM_STATUS));
493 dev_info(adev->dev, " GRBM_STATUS2=0x%08X\n",
494 RREG32(mmGRBM_STATUS2));
495 dev_info(adev->dev, " GRBM_STATUS_SE0=0x%08X\n",
496 RREG32(mmGRBM_STATUS_SE0));
497 dev_info(adev->dev, " GRBM_STATUS_SE1=0x%08X\n",
498 RREG32(mmGRBM_STATUS_SE1));
499 dev_info(adev->dev, " GRBM_STATUS_SE2=0x%08X\n",
500 RREG32(mmGRBM_STATUS_SE2));
501 dev_info(adev->dev, " GRBM_STATUS_SE3=0x%08X\n",
502 RREG32(mmGRBM_STATUS_SE3));
503 dev_info(adev->dev, " SRBM_STATUS=0x%08X\n",
504 RREG32(mmSRBM_STATUS));
505 dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n",
506 RREG32(mmSRBM_STATUS2));
507 dev_info(adev->dev, " SDMA0_STATUS_REG = 0x%08X\n",
508 RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET));
509 dev_info(adev->dev, " SDMA1_STATUS_REG = 0x%08X\n",
510 RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET));
511 dev_info(adev->dev, " CP_STAT = 0x%08x\n", RREG32(mmCP_STAT));
512 dev_info(adev->dev, " CP_STALLED_STAT1 = 0x%08x\n",
513 RREG32(mmCP_STALLED_STAT1));
514 dev_info(adev->dev, " CP_STALLED_STAT2 = 0x%08x\n",
515 RREG32(mmCP_STALLED_STAT2));
516 dev_info(adev->dev, " CP_STALLED_STAT3 = 0x%08x\n",
517 RREG32(mmCP_STALLED_STAT3));
518 dev_info(adev->dev, " CP_CPF_BUSY_STAT = 0x%08x\n",
519 RREG32(mmCP_CPF_BUSY_STAT));
520 dev_info(adev->dev, " CP_CPF_STALLED_STAT1 = 0x%08x\n",
521 RREG32(mmCP_CPF_STALLED_STAT1));
522 dev_info(adev->dev, " CP_CPF_STATUS = 0x%08x\n", RREG32(mmCP_CPF_STATUS));
523 dev_info(adev->dev, " CP_CPC_BUSY_STAT = 0x%08x\n", RREG32(mmCP_CPC_BUSY_STAT));
524 dev_info(adev->dev, " CP_CPC_STALLED_STAT1 = 0x%08x\n",
525 RREG32(mmCP_CPC_STALLED_STAT1));
526 dev_info(adev->dev, " CP_CPC_STATUS = 0x%08x\n", RREG32(mmCP_CPC_STATUS));
527 }
528
529 /**
530 * vi_gpu_check_soft_reset - check which blocks are busy
531 *
532 * @adev: amdgpu_device pointer
533 *
534 * Check which blocks are busy and return the relevant reset
535 * mask to be used by vi_gpu_soft_reset().
536 * Returns a mask of the blocks to be reset.
537 */
538 u32 vi_gpu_check_soft_reset(struct amdgpu_device *adev)
539 {
540 u32 reset_mask = 0;
541 u32 tmp;
542
543 /* GRBM_STATUS */
544 tmp = RREG32(mmGRBM_STATUS);
545 if (tmp & (GRBM_STATUS__PA_BUSY_MASK | GRBM_STATUS__SC_BUSY_MASK |
546 GRBM_STATUS__BCI_BUSY_MASK | GRBM_STATUS__SX_BUSY_MASK |
547 GRBM_STATUS__TA_BUSY_MASK | GRBM_STATUS__VGT_BUSY_MASK |
548 GRBM_STATUS__DB_BUSY_MASK | GRBM_STATUS__CB_BUSY_MASK |
549 GRBM_STATUS__GDS_BUSY_MASK | GRBM_STATUS__SPI_BUSY_MASK |
550 GRBM_STATUS__IA_BUSY_MASK | GRBM_STATUS__IA_BUSY_NO_DMA_MASK))
551 reset_mask |= AMDGPU_RESET_GFX;
552
553 if (tmp & (GRBM_STATUS__CP_BUSY_MASK | GRBM_STATUS__CP_COHERENCY_BUSY_MASK))
554 reset_mask |= AMDGPU_RESET_CP;
555
556 /* GRBM_STATUS2 */
557 tmp = RREG32(mmGRBM_STATUS2);
558 if (tmp & GRBM_STATUS2__RLC_BUSY_MASK)
559 reset_mask |= AMDGPU_RESET_RLC;
560
561 if (tmp & (GRBM_STATUS2__CPF_BUSY_MASK |
562 GRBM_STATUS2__CPC_BUSY_MASK |
563 GRBM_STATUS2__CPG_BUSY_MASK))
564 reset_mask |= AMDGPU_RESET_CP;
565
566 /* SRBM_STATUS2 */
567 tmp = RREG32(mmSRBM_STATUS2);
568 if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK)
569 reset_mask |= AMDGPU_RESET_DMA;
570
571 if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK)
572 reset_mask |= AMDGPU_RESET_DMA1;
573
574 /* SRBM_STATUS */
575 tmp = RREG32(mmSRBM_STATUS);
576
577 if (tmp & SRBM_STATUS__IH_BUSY_MASK)
578 reset_mask |= AMDGPU_RESET_IH;
579
580 if (tmp & SRBM_STATUS__SEM_BUSY_MASK)
581 reset_mask |= AMDGPU_RESET_SEM;
582
583 if (tmp & SRBM_STATUS__GRBM_RQ_PENDING_MASK)
584 reset_mask |= AMDGPU_RESET_GRBM;
585
586 if (adev->asic_type != CHIP_TOPAZ) {
587 if (tmp & (SRBM_STATUS__UVD_RQ_PENDING_MASK |
588 SRBM_STATUS__UVD_BUSY_MASK))
589 reset_mask |= AMDGPU_RESET_UVD;
590 }
591
592 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
593 reset_mask |= AMDGPU_RESET_VMC;
594
595 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
596 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK))
597 reset_mask |= AMDGPU_RESET_MC;
598
599 /* SDMA0_STATUS_REG */
600 tmp = RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET);
601 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
602 reset_mask |= AMDGPU_RESET_DMA;
603
604 /* SDMA1_STATUS_REG */
605 tmp = RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET);
606 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
607 reset_mask |= AMDGPU_RESET_DMA1;
608 #if 0
609 /* VCE_STATUS */
610 if (adev->asic_type != CHIP_TOPAZ) {
611 tmp = RREG32(mmVCE_STATUS);
612 if (tmp & VCE_STATUS__VCPU_REPORT_RB0_BUSY_MASK)
613 reset_mask |= AMDGPU_RESET_VCE;
614 if (tmp & VCE_STATUS__VCPU_REPORT_RB1_BUSY_MASK)
615 reset_mask |= AMDGPU_RESET_VCE1;
616
617 }
618
619 if (adev->asic_type != CHIP_TOPAZ) {
620 if (amdgpu_display_is_display_hung(adev))
621 reset_mask |= AMDGPU_RESET_DISPLAY;
622 }
623 #endif
624
625 /* Skip MC reset as it's mostly likely not hung, just busy */
626 if (reset_mask & AMDGPU_RESET_MC) {
627 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
628 reset_mask &= ~AMDGPU_RESET_MC;
629 }
630
631 return reset_mask;
632 }
633
634 /**
635 * vi_gpu_soft_reset - soft reset GPU
636 *
637 * @adev: amdgpu_device pointer
638 * @reset_mask: mask of which blocks to reset
639 *
640 * Soft reset the blocks specified in @reset_mask.
641 */
642 static void vi_gpu_soft_reset(struct amdgpu_device *adev, u32 reset_mask)
643 {
644 struct amdgpu_mode_mc_save save;
645 u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
646 u32 tmp;
647
648 if (reset_mask == 0)
649 return;
650
651 dev_info(adev->dev, "GPU softreset: 0x%08X\n", reset_mask);
652
653 vi_print_gpu_status_regs(adev);
654 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
655 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR));
656 dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
657 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS));
658
659 /* disable CG/PG */
660
661 /* stop the rlc */
662 //XXX
663 //gfx_v8_0_rlc_stop(adev);
664
665 /* Disable GFX parsing/prefetching */
666 tmp = RREG32(mmCP_ME_CNTL);
667 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1);
668 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1);
669 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1);
670 WREG32(mmCP_ME_CNTL, tmp);
671
672 /* Disable MEC parsing/prefetching */
673 tmp = RREG32(mmCP_MEC_CNTL);
674 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1);
675 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1);
676 WREG32(mmCP_MEC_CNTL, tmp);
677
678 if (reset_mask & AMDGPU_RESET_DMA) {
679 /* sdma0 */
680 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
681 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
682 WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
683 }
684 if (reset_mask & AMDGPU_RESET_DMA1) {
685 /* sdma1 */
686 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
687 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
688 WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
689 }
690
691 gmc_v8_0_mc_stop(adev, &save);
692 if (amdgpu_asic_wait_for_mc_idle(adev)) {
693 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
694 }
695
696 if (reset_mask & (AMDGPU_RESET_GFX | AMDGPU_RESET_COMPUTE | AMDGPU_RESET_CP)) {
697 grbm_soft_reset =
698 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1);
699 grbm_soft_reset =
700 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_GFX, 1);
701 }
702
703 if (reset_mask & AMDGPU_RESET_CP) {
704 grbm_soft_reset =
705 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1);
706 srbm_soft_reset =
707 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1);
708 }
709
710 if (reset_mask & AMDGPU_RESET_DMA)
711 srbm_soft_reset =
712 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA, 1);
713
714 if (reset_mask & AMDGPU_RESET_DMA1)
715 srbm_soft_reset =
716 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1, 1);
717
718 if (reset_mask & AMDGPU_RESET_DISPLAY)
719 srbm_soft_reset =
720 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_DC, 1);
721
722 if (reset_mask & AMDGPU_RESET_RLC)
723 grbm_soft_reset =
724 REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_RLC, 1);
725
726 if (reset_mask & AMDGPU_RESET_SEM)
727 srbm_soft_reset =
728 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SEM, 1);
729
730 if (reset_mask & AMDGPU_RESET_IH)
731 srbm_soft_reset =
732 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_IH, 1);
733
734 if (reset_mask & AMDGPU_RESET_GRBM)
735 srbm_soft_reset =
736 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1);
737
738 if (reset_mask & AMDGPU_RESET_VMC)
739 srbm_soft_reset =
740 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
741
742 if (reset_mask & AMDGPU_RESET_UVD)
743 srbm_soft_reset =
744 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_UVD, 1);
745
746 if (reset_mask & AMDGPU_RESET_VCE)
747 srbm_soft_reset =
748 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
749
750 if (reset_mask & AMDGPU_RESET_VCE)
751 srbm_soft_reset =
752 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
753
754 if (!(adev->flags & AMDGPU_IS_APU)) {
755 if (reset_mask & AMDGPU_RESET_MC)
756 srbm_soft_reset =
757 REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
758 }
759
760 if (grbm_soft_reset) {
761 tmp = RREG32(mmGRBM_SOFT_RESET);
762 tmp |= grbm_soft_reset;
763 dev_info(adev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
764 WREG32(mmGRBM_SOFT_RESET, tmp);
765 tmp = RREG32(mmGRBM_SOFT_RESET);
766
767 udelay(50);
768
769 tmp &= ~grbm_soft_reset;
770 WREG32(mmGRBM_SOFT_RESET, tmp);
771 tmp = RREG32(mmGRBM_SOFT_RESET);
772 }
773
774 if (srbm_soft_reset) {
775 tmp = RREG32(mmSRBM_SOFT_RESET);
776 tmp |= srbm_soft_reset;
777 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
778 WREG32(mmSRBM_SOFT_RESET, tmp);
779 tmp = RREG32(mmSRBM_SOFT_RESET);
780
781 udelay(50);
782
783 tmp &= ~srbm_soft_reset;
784 WREG32(mmSRBM_SOFT_RESET, tmp);
785 tmp = RREG32(mmSRBM_SOFT_RESET);
786 }
787
788 /* Wait a little for things to settle down */
789 udelay(50);
790
791 gmc_v8_0_mc_resume(adev, &save);
792 udelay(50);
793
794 vi_print_gpu_status_regs(adev);
795 }
796
797 static void vi_gpu_pci_config_reset(struct amdgpu_device *adev)
798 {
799 struct amdgpu_mode_mc_save save;
800 u32 tmp, i;
801
802 dev_info(adev->dev, "GPU pci config reset\n");
803
804 /* disable dpm? */
805
806 /* disable cg/pg */
807
808 /* Disable GFX parsing/prefetching */
809 tmp = RREG32(mmCP_ME_CNTL);
810 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1);
811 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1);
812 tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1);
813 WREG32(mmCP_ME_CNTL, tmp);
814
815 /* Disable MEC parsing/prefetching */
816 tmp = RREG32(mmCP_MEC_CNTL);
817 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1);
818 tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1);
819 WREG32(mmCP_MEC_CNTL, tmp);
820
821 /* Disable GFX parsing/prefetching */
822 WREG32(mmCP_ME_CNTL, CP_ME_CNTL__ME_HALT_MASK |
823 CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK);
824
825 /* Disable MEC parsing/prefetching */
826 WREG32(mmCP_MEC_CNTL,
827 CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK);
828
829 /* sdma0 */
830 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
831 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
832 WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
833
834 /* sdma1 */
835 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
836 tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
837 WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
838
839 /* XXX other engines? */
840
841 /* halt the rlc, disable cp internal ints */
842 //XXX
843 //gfx_v8_0_rlc_stop(adev);
844
845 udelay(50);
846
847 /* disable mem access */
848 gmc_v8_0_mc_stop(adev, &save);
849 if (amdgpu_asic_wait_for_mc_idle(adev)) {
850 dev_warn(adev->dev, "Wait for MC idle timed out !\n");
851 }
852
853 /* disable BM */
854 pci_clear_master(adev->pdev);
855 /* reset */
856 amdgpu_pci_config_reset(adev);
857
858 udelay(100);
859
860 /* wait for asic to come out of reset */
861 for (i = 0; i < adev->usec_timeout; i++) {
862 if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff)
863 break;
864 udelay(1);
865 }
866
867 }
868
869 static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
870 {
871 u32 tmp = RREG32(mmBIOS_SCRATCH_3);
872
873 if (hung)
874 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
875 else
876 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
877
878 WREG32(mmBIOS_SCRATCH_3, tmp);
879 }
880
881 /**
882 * vi_asic_reset - soft reset GPU
883 *
884 * @adev: amdgpu_device pointer
885 *
886 * Look up which blocks are hung and attempt
887 * to reset them.
888 * Returns 0 for success.
889 */
890 static int vi_asic_reset(struct amdgpu_device *adev)
891 {
892 u32 reset_mask;
893
894 reset_mask = vi_gpu_check_soft_reset(adev);
895
896 if (reset_mask)
897 vi_set_bios_scratch_engine_hung(adev, true);
898
899 /* try soft reset */
900 vi_gpu_soft_reset(adev, reset_mask);
901
902 reset_mask = vi_gpu_check_soft_reset(adev);
903
904 /* try pci config reset */
905 if (reset_mask && amdgpu_hard_reset)
906 vi_gpu_pci_config_reset(adev);
907
908 reset_mask = vi_gpu_check_soft_reset(adev);
909
910 if (!reset_mask)
911 vi_set_bios_scratch_engine_hung(adev, false);
912
913 return 0;
914 }
915
916 static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
917 u32 cntl_reg, u32 status_reg)
918 {
919 int r, i;
920 struct atom_clock_dividers dividers;
921 uint32_t tmp;
922
923 r = amdgpu_atombios_get_clock_dividers(adev,
924 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
925 clock, false, &dividers);
926 if (r)
927 return r;
928
929 tmp = RREG32_SMC(cntl_reg);
930 tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
931 CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
932 tmp |= dividers.post_divider;
933 WREG32_SMC(cntl_reg, tmp);
934
935 for (i = 0; i < 100; i++) {
936 if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
937 break;
938 mdelay(10);
939 }
940 if (i == 100)
941 return -ETIMEDOUT;
942
943 return 0;
944 }
945
946 static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
947 {
948 int r;
949
950 r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
951 if (r)
952 return r;
953
954 r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
955
956 return 0;
957 }
958
959 static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
960 {
961 /* todo */
962
963 return 0;
964 }
965
966 static void vi_pcie_gen3_enable(struct amdgpu_device *adev)
967 {
968 u32 mask;
969 int ret;
970
971 if (amdgpu_pcie_gen2 == 0)
972 return;
973
974 if (adev->flags & AMDGPU_IS_APU)
975 return;
976
977 ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask);
978 if (ret != 0)
979 return;
980
981 if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
982 return;
983
984 /* todo */
985 }
986
987 static void vi_program_aspm(struct amdgpu_device *adev)
988 {
989
990 if (amdgpu_aspm == 0)
991 return;
992
993 /* todo */
994 }
995
996 static void vi_enable_doorbell_aperture(struct amdgpu_device *adev,
997 bool enable)
998 {
999 u32 tmp;
1000
1001 /* not necessary on CZ */
1002 if (adev->flags & AMDGPU_IS_APU)
1003 return;
1004
1005 tmp = RREG32(mmBIF_DOORBELL_APER_EN);
1006 if (enable)
1007 tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1);
1008 else
1009 tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0);
1010
1011 WREG32(mmBIF_DOORBELL_APER_EN, tmp);
1012 }
1013
1014 /* topaz has no DCE, UVD, VCE */
1015 static const struct amdgpu_ip_block_version topaz_ip_blocks[] =
1016 {
1017 /* ORDER MATTERS! */
1018 {
1019 .type = AMD_IP_BLOCK_TYPE_COMMON,
1020 .major = 2,
1021 .minor = 0,
1022 .rev = 0,
1023 .funcs = &vi_common_ip_funcs,
1024 },
1025 {
1026 .type = AMD_IP_BLOCK_TYPE_GMC,
1027 .major = 8,
1028 .minor = 0,
1029 .rev = 0,
1030 .funcs = &gmc_v8_0_ip_funcs,
1031 },
1032 {
1033 .type = AMD_IP_BLOCK_TYPE_IH,
1034 .major = 2,
1035 .minor = 4,
1036 .rev = 0,
1037 .funcs = &iceland_ih_ip_funcs,
1038 },
1039 {
1040 .type = AMD_IP_BLOCK_TYPE_SMC,
1041 .major = 7,
1042 .minor = 1,
1043 .rev = 0,
1044 .funcs = &iceland_dpm_ip_funcs,
1045 },
1046 {
1047 .type = AMD_IP_BLOCK_TYPE_GFX,
1048 .major = 8,
1049 .minor = 0,
1050 .rev = 0,
1051 .funcs = &gfx_v8_0_ip_funcs,
1052 },
1053 {
1054 .type = AMD_IP_BLOCK_TYPE_SDMA,
1055 .major = 2,
1056 .minor = 4,
1057 .rev = 0,
1058 .funcs = &sdma_v2_4_ip_funcs,
1059 },
1060 };
1061
1062 static const struct amdgpu_ip_block_version tonga_ip_blocks[] =
1063 {
1064 /* ORDER MATTERS! */
1065 {
1066 .type = AMD_IP_BLOCK_TYPE_COMMON,
1067 .major = 2,
1068 .minor = 0,
1069 .rev = 0,
1070 .funcs = &vi_common_ip_funcs,
1071 },
1072 {
1073 .type = AMD_IP_BLOCK_TYPE_GMC,
1074 .major = 8,
1075 .minor = 0,
1076 .rev = 0,
1077 .funcs = &gmc_v8_0_ip_funcs,
1078 },
1079 {
1080 .type = AMD_IP_BLOCK_TYPE_IH,
1081 .major = 3,
1082 .minor = 0,
1083 .rev = 0,
1084 .funcs = &tonga_ih_ip_funcs,
1085 },
1086 {
1087 .type = AMD_IP_BLOCK_TYPE_SMC,
1088 .major = 7,
1089 .minor = 1,
1090 .rev = 0,
1091 .funcs = &tonga_dpm_ip_funcs,
1092 },
1093 {
1094 .type = AMD_IP_BLOCK_TYPE_DCE,
1095 .major = 10,
1096 .minor = 0,
1097 .rev = 0,
1098 .funcs = &dce_v10_0_ip_funcs,
1099 },
1100 {
1101 .type = AMD_IP_BLOCK_TYPE_GFX,
1102 .major = 8,
1103 .minor = 0,
1104 .rev = 0,
1105 .funcs = &gfx_v8_0_ip_funcs,
1106 },
1107 {
1108 .type = AMD_IP_BLOCK_TYPE_SDMA,
1109 .major = 3,
1110 .minor = 0,
1111 .rev = 0,
1112 .funcs = &sdma_v3_0_ip_funcs,
1113 },
1114 {
1115 .type = AMD_IP_BLOCK_TYPE_UVD,
1116 .major = 5,
1117 .minor = 0,
1118 .rev = 0,
1119 .funcs = &uvd_v5_0_ip_funcs,
1120 },
1121 {
1122 .type = AMD_IP_BLOCK_TYPE_VCE,
1123 .major = 3,
1124 .minor = 0,
1125 .rev = 0,
1126 .funcs = &vce_v3_0_ip_funcs,
1127 },
1128 };
1129
1130 static const struct amdgpu_ip_block_version cz_ip_blocks[] =
1131 {
1132 /* ORDER MATTERS! */
1133 {
1134 .type = AMD_IP_BLOCK_TYPE_COMMON,
1135 .major = 2,
1136 .minor = 0,
1137 .rev = 0,
1138 .funcs = &vi_common_ip_funcs,
1139 },
1140 {
1141 .type = AMD_IP_BLOCK_TYPE_GMC,
1142 .major = 8,
1143 .minor = 0,
1144 .rev = 0,
1145 .funcs = &gmc_v8_0_ip_funcs,
1146 },
1147 {
1148 .type = AMD_IP_BLOCK_TYPE_IH,
1149 .major = 3,
1150 .minor = 0,
1151 .rev = 0,
1152 .funcs = &cz_ih_ip_funcs,
1153 },
1154 {
1155 .type = AMD_IP_BLOCK_TYPE_SMC,
1156 .major = 8,
1157 .minor = 0,
1158 .rev = 0,
1159 .funcs = &cz_dpm_ip_funcs,
1160 },
1161 {
1162 .type = AMD_IP_BLOCK_TYPE_DCE,
1163 .major = 11,
1164 .minor = 0,
1165 .rev = 0,
1166 .funcs = &dce_v11_0_ip_funcs,
1167 },
1168 {
1169 .type = AMD_IP_BLOCK_TYPE_GFX,
1170 .major = 8,
1171 .minor = 0,
1172 .rev = 0,
1173 .funcs = &gfx_v8_0_ip_funcs,
1174 },
1175 {
1176 .type = AMD_IP_BLOCK_TYPE_SDMA,
1177 .major = 3,
1178 .minor = 0,
1179 .rev = 0,
1180 .funcs = &sdma_v3_0_ip_funcs,
1181 },
1182 {
1183 .type = AMD_IP_BLOCK_TYPE_UVD,
1184 .major = 6,
1185 .minor = 0,
1186 .rev = 0,
1187 .funcs = &uvd_v6_0_ip_funcs,
1188 },
1189 {
1190 .type = AMD_IP_BLOCK_TYPE_VCE,
1191 .major = 3,
1192 .minor = 0,
1193 .rev = 0,
1194 .funcs = &vce_v3_0_ip_funcs,
1195 },
1196 };
1197
1198 int vi_set_ip_blocks(struct amdgpu_device *adev)
1199 {
1200 switch (adev->asic_type) {
1201 case CHIP_TOPAZ:
1202 adev->ip_blocks = topaz_ip_blocks;
1203 adev->num_ip_blocks = ARRAY_SIZE(topaz_ip_blocks);
1204 break;
1205 case CHIP_TONGA:
1206 adev->ip_blocks = tonga_ip_blocks;
1207 adev->num_ip_blocks = ARRAY_SIZE(tonga_ip_blocks);
1208 break;
1209 case CHIP_CARRIZO:
1210 adev->ip_blocks = cz_ip_blocks;
1211 adev->num_ip_blocks = ARRAY_SIZE(cz_ip_blocks);
1212 break;
1213 default:
1214 /* FIXME: not supported yet */
1215 return -EINVAL;
1216 }
1217
1218 return 0;
1219 }
1220
1221 static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
1222 {
1223 if (adev->asic_type == CHIP_TOPAZ)
1224 return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK)
1225 >> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
1226 else
1227 return (RREG32(mmCC_DRM_ID_STRAPS) & CC_DRM_ID_STRAPS__ATI_REV_ID_MASK)
1228 >> CC_DRM_ID_STRAPS__ATI_REV_ID__SHIFT;
1229 }
1230
1231 static const struct amdgpu_asic_funcs vi_asic_funcs =
1232 {
1233 .read_disabled_bios = &vi_read_disabled_bios,
1234 .read_register = &vi_read_register,
1235 .reset = &vi_asic_reset,
1236 .set_vga_state = &vi_vga_set_state,
1237 .get_xclk = &vi_get_xclk,
1238 .set_uvd_clocks = &vi_set_uvd_clocks,
1239 .set_vce_clocks = &vi_set_vce_clocks,
1240 .get_cu_info = &gfx_v8_0_get_cu_info,
1241 /* these should be moved to their own ip modules */
1242 .get_gpu_clock_counter = &gfx_v8_0_get_gpu_clock_counter,
1243 .wait_for_mc_idle = &gmc_v8_0_mc_wait_for_idle,
1244 };
1245
1246 static int vi_common_early_init(void *handle)
1247 {
1248 bool smc_enabled = false;
1249 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1250
1251 if (adev->flags & AMDGPU_IS_APU) {
1252 adev->smc_rreg = &cz_smc_rreg;
1253 adev->smc_wreg = &cz_smc_wreg;
1254 } else {
1255 adev->smc_rreg = &vi_smc_rreg;
1256 adev->smc_wreg = &vi_smc_wreg;
1257 }
1258 adev->pcie_rreg = &vi_pcie_rreg;
1259 adev->pcie_wreg = &vi_pcie_wreg;
1260 adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
1261 adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
1262 adev->didt_rreg = &vi_didt_rreg;
1263 adev->didt_wreg = &vi_didt_wreg;
1264
1265 adev->asic_funcs = &vi_asic_funcs;
1266
1267 if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC) &&
1268 (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_SMC)))
1269 smc_enabled = true;
1270
1271 adev->rev_id = vi_get_rev_id(adev);
1272 adev->external_rev_id = 0xFF;
1273 switch (adev->asic_type) {
1274 case CHIP_TOPAZ:
1275 adev->has_uvd = false;
1276 adev->cg_flags = 0;
1277 adev->pg_flags = 0;
1278 adev->external_rev_id = 0x1;
1279 if (amdgpu_smc_load_fw && smc_enabled)
1280 adev->firmware.smu_load = true;
1281 break;
1282 case CHIP_TONGA:
1283 adev->has_uvd = true;
1284 adev->cg_flags = 0;
1285 adev->pg_flags = 0;
1286 adev->external_rev_id = adev->rev_id + 0x14;
1287 if (amdgpu_smc_load_fw && smc_enabled)
1288 adev->firmware.smu_load = true;
1289 break;
1290 case CHIP_CARRIZO:
1291 adev->has_uvd = true;
1292 adev->cg_flags = 0;
1293 adev->pg_flags = AMDGPU_PG_SUPPORT_UVD | AMDGPU_PG_SUPPORT_VCE;
1294 adev->external_rev_id = adev->rev_id + 0x1;
1295 if (amdgpu_smc_load_fw && smc_enabled)
1296 adev->firmware.smu_load = true;
1297 break;
1298 default:
1299 /* FIXME: not supported yet */
1300 return -EINVAL;
1301 }
1302
1303 return 0;
1304 }
1305
1306 static int vi_common_sw_init(void *handle)
1307 {
1308 return 0;
1309 }
1310
1311 static int vi_common_sw_fini(void *handle)
1312 {
1313 return 0;
1314 }
1315
1316 static int vi_common_hw_init(void *handle)
1317 {
1318 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1319
1320 /* move the golden regs per IP block */
1321 vi_init_golden_registers(adev);
1322 /* enable pcie gen2/3 link */
1323 vi_pcie_gen3_enable(adev);
1324 /* enable aspm */
1325 vi_program_aspm(adev);
1326 /* enable the doorbell aperture */
1327 vi_enable_doorbell_aperture(adev, true);
1328
1329 return 0;
1330 }
1331
1332 static int vi_common_hw_fini(void *handle)
1333 {
1334 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1335
1336 /* enable the doorbell aperture */
1337 vi_enable_doorbell_aperture(adev, false);
1338
1339 return 0;
1340 }
1341
1342 static int vi_common_suspend(void *handle)
1343 {
1344 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1345
1346 return vi_common_hw_fini(adev);
1347 }
1348
1349 static int vi_common_resume(void *handle)
1350 {
1351 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1352
1353 return vi_common_hw_init(adev);
1354 }
1355
1356 static bool vi_common_is_idle(void *handle)
1357 {
1358 return true;
1359 }
1360
1361 static int vi_common_wait_for_idle(void *handle)
1362 {
1363 return 0;
1364 }
1365
1366 static void vi_common_print_status(void *handle)
1367 {
1368 return;
1369 }
1370
1371 static int vi_common_soft_reset(void *handle)
1372 {
1373 return 0;
1374 }
1375
1376 static int vi_common_set_clockgating_state(void *handle,
1377 enum amd_clockgating_state state)
1378 {
1379 return 0;
1380 }
1381
1382 static int vi_common_set_powergating_state(void *handle,
1383 enum amd_powergating_state state)
1384 {
1385 return 0;
1386 }
1387
1388 const struct amd_ip_funcs vi_common_ip_funcs = {
1389 .early_init = vi_common_early_init,
1390 .late_init = NULL,
1391 .sw_init = vi_common_sw_init,
1392 .sw_fini = vi_common_sw_fini,
1393 .hw_init = vi_common_hw_init,
1394 .hw_fini = vi_common_hw_fini,
1395 .suspend = vi_common_suspend,
1396 .resume = vi_common_resume,
1397 .is_idle = vi_common_is_idle,
1398 .wait_for_idle = vi_common_wait_for_idle,
1399 .soft_reset = vi_common_soft_reset,
1400 .print_status = vi_common_print_status,
1401 .set_clockgating_state = vi_common_set_clockgating_state,
1402 .set_powergating_state = vi_common_set_powergating_state,
1403 };
1404
Linux with added FPC-III support