dt-bindings: mtd: ingenic: Use standard ecc-engine property
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / vce_v2_0.c
blobbed78a778e3f1f546e30e18dc67f709751d87fc6
1 /*
2 * Copyright 2013 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
23 * of the Software.
25 * Authors: Christian König <christian.koenig@amd.com>
28 #include <linux/firmware.h>
29 #include <drm/drmP.h>
30 #include "amdgpu.h"
31 #include "amdgpu_vce.h"
32 #include "cikd.h"
33 #include "vce/vce_2_0_d.h"
34 #include "vce/vce_2_0_sh_mask.h"
35 #include "smu/smu_7_0_1_d.h"
36 #include "smu/smu_7_0_1_sh_mask.h"
37 #include "oss/oss_2_0_d.h"
38 #include "oss/oss_2_0_sh_mask.h"
40 #define VCE_V2_0_FW_SIZE (256 * 1024)
41 #define VCE_V2_0_STACK_SIZE (64 * 1024)
42 #define VCE_V2_0_DATA_SIZE (23552 * AMDGPU_MAX_VCE_HANDLES)
43 #define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02
45 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
46 static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
48 /**
49 * vce_v2_0_ring_get_rptr - get read pointer
51 * @ring: amdgpu_ring pointer
53 * Returns the current hardware read pointer
55 static uint64_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
57 struct amdgpu_device *adev = ring->adev;
59 if (ring->me == 0)
60 return RREG32(mmVCE_RB_RPTR);
61 else
62 return RREG32(mmVCE_RB_RPTR2);
65 /**
66 * vce_v2_0_ring_get_wptr - get write pointer
68 * @ring: amdgpu_ring pointer
70 * Returns the current hardware write pointer
72 static uint64_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
74 struct amdgpu_device *adev = ring->adev;
76 if (ring->me == 0)
77 return RREG32(mmVCE_RB_WPTR);
78 else
79 return RREG32(mmVCE_RB_WPTR2);
82 /**
83 * vce_v2_0_ring_set_wptr - set write pointer
85 * @ring: amdgpu_ring pointer
87 * Commits the write pointer to the hardware
89 static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
91 struct amdgpu_device *adev = ring->adev;
93 if (ring->me == 0)
94 WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr));
95 else
96 WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr));
99 static int vce_v2_0_lmi_clean(struct amdgpu_device *adev)
101 int i, j;
103 for (i = 0; i < 10; ++i) {
104 for (j = 0; j < 100; ++j) {
105 uint32_t status = RREG32(mmVCE_LMI_STATUS);
107 if (status & 0x337f)
108 return 0;
109 mdelay(10);
113 return -ETIMEDOUT;
116 static int vce_v2_0_firmware_loaded(struct amdgpu_device *adev)
118 int i, j;
120 for (i = 0; i < 10; ++i) {
121 for (j = 0; j < 100; ++j) {
122 uint32_t status = RREG32(mmVCE_STATUS);
124 if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)
125 return 0;
126 mdelay(10);
129 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
130 WREG32_P(mmVCE_SOFT_RESET,
131 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
132 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
133 mdelay(10);
134 WREG32_P(mmVCE_SOFT_RESET, 0,
135 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
136 mdelay(10);
139 return -ETIMEDOUT;
142 static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
144 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
147 static void vce_v2_0_init_cg(struct amdgpu_device *adev)
149 u32 tmp;
151 tmp = RREG32(mmVCE_CLOCK_GATING_A);
152 tmp &= ~0xfff;
153 tmp |= ((0 << 0) | (4 << 4));
154 tmp |= 0x40000;
155 WREG32(mmVCE_CLOCK_GATING_A, tmp);
157 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
158 tmp &= ~0xfff;
159 tmp |= ((0 << 0) | (4 << 4));
160 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
162 tmp = RREG32(mmVCE_CLOCK_GATING_B);
163 tmp |= 0x10;
164 tmp &= ~0x100000;
165 WREG32(mmVCE_CLOCK_GATING_B, tmp);
168 static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
170 uint32_t size, offset;
172 WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
173 WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
174 WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
175 WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
177 WREG32(mmVCE_LMI_CTRL, 0x00398000);
178 WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
179 WREG32(mmVCE_LMI_SWAP_CNTL, 0);
180 WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
181 WREG32(mmVCE_LMI_VM_CTRL, 0);
183 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
185 offset = AMDGPU_VCE_FIRMWARE_OFFSET;
186 size = VCE_V2_0_FW_SIZE;
187 WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
188 WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
190 offset += size;
191 size = VCE_V2_0_STACK_SIZE;
192 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
193 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
195 offset += size;
196 size = VCE_V2_0_DATA_SIZE;
197 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
198 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
200 WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
201 WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1);
204 static bool vce_v2_0_is_idle(void *handle)
206 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
208 return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
211 static int vce_v2_0_wait_for_idle(void *handle)
213 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
214 unsigned i;
216 for (i = 0; i < adev->usec_timeout; i++) {
217 if (vce_v2_0_is_idle(handle))
218 return 0;
220 return -ETIMEDOUT;
224 * vce_v2_0_start - start VCE block
226 * @adev: amdgpu_device pointer
228 * Setup and start the VCE block
230 static int vce_v2_0_start(struct amdgpu_device *adev)
232 struct amdgpu_ring *ring;
233 int r;
235 /* set BUSY flag */
236 WREG32_P(mmVCE_STATUS, 1, ~1);
238 vce_v2_0_init_cg(adev);
239 vce_v2_0_disable_cg(adev);
241 vce_v2_0_mc_resume(adev);
243 ring = &adev->vce.ring[0];
244 WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr));
245 WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr));
246 WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
247 WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
248 WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
250 ring = &adev->vce.ring[1];
251 WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr));
252 WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr));
253 WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
254 WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
255 WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
257 WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1);
258 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
259 mdelay(100);
260 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
262 r = vce_v2_0_firmware_loaded(adev);
264 /* clear BUSY flag */
265 WREG32_P(mmVCE_STATUS, 0, ~1);
267 if (r) {
268 DRM_ERROR("VCE not responding, giving up!!!\n");
269 return r;
272 return 0;
275 static int vce_v2_0_stop(struct amdgpu_device *adev)
277 int i;
278 int status;
280 if (vce_v2_0_lmi_clean(adev)) {
281 DRM_INFO("vce is not idle \n");
282 return 0;
285 if (vce_v2_0_wait_for_idle(adev)) {
286 DRM_INFO("VCE is busy, Can't set clock gateing");
287 return 0;
290 /* Stall UMC and register bus before resetting VCPU */
291 WREG32_P(mmVCE_LMI_CTRL2, 1 << 8, ~(1 << 8));
293 for (i = 0; i < 100; ++i) {
294 status = RREG32(mmVCE_LMI_STATUS);
295 if (status & 0x240)
296 break;
297 mdelay(1);
300 WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x80001);
302 /* put LMI, VCPU, RBC etc... into reset */
303 WREG32_P(mmVCE_SOFT_RESET, 1, ~0x1);
305 WREG32(mmVCE_STATUS, 0);
307 return 0;
310 static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
312 u32 tmp;
314 if (gated) {
315 tmp = RREG32(mmVCE_CLOCK_GATING_B);
316 tmp |= 0xe70000;
317 WREG32(mmVCE_CLOCK_GATING_B, tmp);
319 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
320 tmp |= 0xff000000;
321 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
323 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
324 tmp &= ~0x3fc;
325 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
327 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
328 } else {
329 tmp = RREG32(mmVCE_CLOCK_GATING_B);
330 tmp |= 0xe7;
331 tmp &= ~0xe70000;
332 WREG32(mmVCE_CLOCK_GATING_B, tmp);
334 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
335 tmp |= 0x1fe000;
336 tmp &= ~0xff000000;
337 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
339 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
340 tmp |= 0x3fc;
341 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
345 static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
347 u32 orig, tmp;
349 /* LMI_MC/LMI_UMC always set in dynamic,
350 * set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {0, 0}
352 tmp = RREG32(mmVCE_CLOCK_GATING_B);
353 tmp &= ~0x00060006;
355 /* Exception for ECPU, IH, SEM, SYS blocks needs to be turned on/off by SW */
356 if (gated) {
357 tmp |= 0xe10000;
358 WREG32(mmVCE_CLOCK_GATING_B, tmp);
359 } else {
360 tmp |= 0xe1;
361 tmp &= ~0xe10000;
362 WREG32(mmVCE_CLOCK_GATING_B, tmp);
365 orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
366 tmp &= ~0x1fe000;
367 tmp &= ~0xff000000;
368 if (tmp != orig)
369 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
371 orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
372 tmp &= ~0x3fc;
373 if (tmp != orig)
374 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
376 /* set VCE_UENC_REG_CLOCK_GATING always in dynamic mode */
377 WREG32(mmVCE_UENC_REG_CLOCK_GATING, 0x00);
379 if(gated)
380 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
383 static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable,
384 bool sw_cg)
386 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) {
387 if (sw_cg)
388 vce_v2_0_set_sw_cg(adev, true);
389 else
390 vce_v2_0_set_dyn_cg(adev, true);
391 } else {
392 vce_v2_0_disable_cg(adev);
394 if (sw_cg)
395 vce_v2_0_set_sw_cg(adev, false);
396 else
397 vce_v2_0_set_dyn_cg(adev, false);
401 static int vce_v2_0_early_init(void *handle)
403 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
405 adev->vce.num_rings = 2;
407 vce_v2_0_set_ring_funcs(adev);
408 vce_v2_0_set_irq_funcs(adev);
410 return 0;
413 static int vce_v2_0_sw_init(void *handle)
415 struct amdgpu_ring *ring;
416 int r, i;
417 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
419 /* VCE */
420 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 167, &adev->vce.irq);
421 if (r)
422 return r;
424 r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
425 VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
426 if (r)
427 return r;
429 r = amdgpu_vce_resume(adev);
430 if (r)
431 return r;
433 for (i = 0; i < adev->vce.num_rings; i++) {
434 ring = &adev->vce.ring[i];
435 sprintf(ring->name, "vce%d", i);
436 r = amdgpu_ring_init(adev, ring, 512,
437 &adev->vce.irq, 0);
438 if (r)
439 return r;
442 r = amdgpu_vce_entity_init(adev);
444 return r;
447 static int vce_v2_0_sw_fini(void *handle)
449 int r;
450 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
452 r = amdgpu_vce_suspend(adev);
453 if (r)
454 return r;
456 return amdgpu_vce_sw_fini(adev);
459 static int vce_v2_0_hw_init(void *handle)
461 int r, i;
462 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
464 amdgpu_asic_set_vce_clocks(adev, 10000, 10000);
465 vce_v2_0_enable_mgcg(adev, true, false);
467 for (i = 0; i < adev->vce.num_rings; i++) {
468 r = amdgpu_ring_test_helper(&adev->vce.ring[i]);
469 if (r)
470 return r;
473 DRM_INFO("VCE initialized successfully.\n");
475 return 0;
478 static int vce_v2_0_hw_fini(void *handle)
480 return 0;
483 static int vce_v2_0_suspend(void *handle)
485 int r;
486 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
488 r = vce_v2_0_hw_fini(adev);
489 if (r)
490 return r;
492 return amdgpu_vce_suspend(adev);
495 static int vce_v2_0_resume(void *handle)
497 int r;
498 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
500 r = amdgpu_vce_resume(adev);
501 if (r)
502 return r;
504 return vce_v2_0_hw_init(adev);
507 static int vce_v2_0_soft_reset(void *handle)
509 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
511 WREG32_FIELD(SRBM_SOFT_RESET, SOFT_RESET_VCE, 1);
512 mdelay(5);
514 return vce_v2_0_start(adev);
517 static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev,
518 struct amdgpu_irq_src *source,
519 unsigned type,
520 enum amdgpu_interrupt_state state)
522 uint32_t val = 0;
524 if (state == AMDGPU_IRQ_STATE_ENABLE)
525 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
527 WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
528 return 0;
531 static int vce_v2_0_process_interrupt(struct amdgpu_device *adev,
532 struct amdgpu_irq_src *source,
533 struct amdgpu_iv_entry *entry)
535 DRM_DEBUG("IH: VCE\n");
536 switch (entry->src_data[0]) {
537 case 0:
538 case 1:
539 amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]);
540 break;
541 default:
542 DRM_ERROR("Unhandled interrupt: %d %d\n",
543 entry->src_id, entry->src_data[0]);
544 break;
547 return 0;
550 static int vce_v2_0_set_clockgating_state(void *handle,
551 enum amd_clockgating_state state)
553 bool gate = false;
554 bool sw_cg = false;
556 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
558 if (state == AMD_CG_STATE_GATE) {
559 gate = true;
560 sw_cg = true;
563 vce_v2_0_enable_mgcg(adev, gate, sw_cg);
565 return 0;
568 static int vce_v2_0_set_powergating_state(void *handle,
569 enum amd_powergating_state state)
571 /* This doesn't actually powergate the VCE block.
572 * That's done in the dpm code via the SMC. This
573 * just re-inits the block as necessary. The actual
574 * gating still happens in the dpm code. We should
575 * revisit this when there is a cleaner line between
576 * the smc and the hw blocks
578 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
580 if (state == AMD_PG_STATE_GATE)
581 return vce_v2_0_stop(adev);
582 else
583 return vce_v2_0_start(adev);
586 static const struct amd_ip_funcs vce_v2_0_ip_funcs = {
587 .name = "vce_v2_0",
588 .early_init = vce_v2_0_early_init,
589 .late_init = NULL,
590 .sw_init = vce_v2_0_sw_init,
591 .sw_fini = vce_v2_0_sw_fini,
592 .hw_init = vce_v2_0_hw_init,
593 .hw_fini = vce_v2_0_hw_fini,
594 .suspend = vce_v2_0_suspend,
595 .resume = vce_v2_0_resume,
596 .is_idle = vce_v2_0_is_idle,
597 .wait_for_idle = vce_v2_0_wait_for_idle,
598 .soft_reset = vce_v2_0_soft_reset,
599 .set_clockgating_state = vce_v2_0_set_clockgating_state,
600 .set_powergating_state = vce_v2_0_set_powergating_state,
603 static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
604 .type = AMDGPU_RING_TYPE_VCE,
605 .align_mask = 0xf,
606 .nop = VCE_CMD_NO_OP,
607 .support_64bit_ptrs = false,
608 .get_rptr = vce_v2_0_ring_get_rptr,
609 .get_wptr = vce_v2_0_ring_get_wptr,
610 .set_wptr = vce_v2_0_ring_set_wptr,
611 .parse_cs = amdgpu_vce_ring_parse_cs,
612 .emit_frame_size = 6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
613 .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
614 .emit_ib = amdgpu_vce_ring_emit_ib,
615 .emit_fence = amdgpu_vce_ring_emit_fence,
616 .test_ring = amdgpu_vce_ring_test_ring,
617 .test_ib = amdgpu_vce_ring_test_ib,
618 .insert_nop = amdgpu_ring_insert_nop,
619 .pad_ib = amdgpu_ring_generic_pad_ib,
620 .begin_use = amdgpu_vce_ring_begin_use,
621 .end_use = amdgpu_vce_ring_end_use,
624 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
626 int i;
628 for (i = 0; i < adev->vce.num_rings; i++) {
629 adev->vce.ring[i].funcs = &vce_v2_0_ring_funcs;
630 adev->vce.ring[i].me = i;
634 static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
635 .set = vce_v2_0_set_interrupt_state,
636 .process = vce_v2_0_process_interrupt,
639 static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
641 adev->vce.irq.num_types = 1;
642 adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
645 const struct amdgpu_ip_block_version vce_v2_0_ip_block =
647 .type = AMD_IP_BLOCK_TYPE_VCE,
648 .major = 2,
649 .minor = 0,
650 .rev = 0,
651 .funcs = &vce_v2_0_ip_funcs,