1/*
2 * Copyright 2019 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
24#include "amdgpu.h"
25#include "amdgpu_jpeg.h"
26#include "amdgpu_pm.h"
27#include "soc15.h"
28#include "soc15d.h"
29#include "jpeg_v2_0.h"
30
31#include "vcn/vcn_3_0_0_offset.h"
32#include "vcn/vcn_3_0_0_sh_mask.h"
33#include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
34
35#define mmUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f
36
37static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
38static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev);
39static int jpeg_v3_0_set_powergating_state(void *handle,
40 enum amd_powergating_state state);
41
42/**
43 * jpeg_v3_0_early_init - set function pointers
44 *
45 * @handle: amdgpu_device pointer
46 *
47 * Set ring and irq function pointers
48 */
49static int jpeg_v3_0_early_init(void *handle)
50{
51 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
52
53 u32 harvest;
54
55 switch (amdgpu_ip_version(adev, ip: UVD_HWIP, inst: 0)) {
56 case IP_VERSION(3, 1, 1):
57 case IP_VERSION(3, 1, 2):
58 break;
59 default:
60 harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING);
61 if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
62 return -ENOENT;
63 break;
64 }
65
66 adev->jpeg.num_jpeg_inst = 1;
67 adev->jpeg.num_jpeg_rings = 1;
68
69 jpeg_v3_0_set_dec_ring_funcs(adev);
70 jpeg_v3_0_set_irq_funcs(adev);
71
72 return 0;
73}
74
75/**
76 * jpeg_v3_0_sw_init - sw init for JPEG block
77 *
78 * @handle: amdgpu_device pointer
79 *
80 * Load firmware and sw initialization
81 */
82static int jpeg_v3_0_sw_init(void *handle)
83{
84 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
85 struct amdgpu_ring *ring;
86 int r;
87
88 /* JPEG TRAP */
89 r = amdgpu_irq_add_id(adev, client_id: SOC15_IH_CLIENTID_VCN,
90 VCN_2_0__SRCID__JPEG_DECODE, source: &adev->jpeg.inst->irq);
91 if (r)
92 return r;
93
94 r = amdgpu_jpeg_sw_init(adev);
95 if (r)
96 return r;
97
98 r = amdgpu_jpeg_resume(adev);
99 if (r)
100 return r;
101
102 ring = adev->jpeg.inst->ring_dec;
103 ring->use_doorbell = true;
104 ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
105 ring->vm_hub = AMDGPU_MMHUB0(0);
106 sprintf(buf: ring->name, fmt: "jpeg_dec");
107 r = amdgpu_ring_init(adev, ring, max_dw: 512, irq_src: &adev->jpeg.inst->irq, irq_type: 0,
108 hw_prio: AMDGPU_RING_PRIO_DEFAULT, NULL);
109 if (r)
110 return r;
111
112 adev->jpeg.internal.jpeg_pitch[0] = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
113 adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
114
115 return 0;
116}
117
118/**
119 * jpeg_v3_0_sw_fini - sw fini for JPEG block
120 *
121 * @handle: amdgpu_device pointer
122 *
123 * JPEG suspend and free up sw allocation
124 */
125static int jpeg_v3_0_sw_fini(void *handle)
126{
127 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
128 int r;
129
130 r = amdgpu_jpeg_suspend(adev);
131 if (r)
132 return r;
133
134 r = amdgpu_jpeg_sw_fini(adev);
135
136 return r;
137}
138
139/**
140 * jpeg_v3_0_hw_init - start and test JPEG block
141 *
142 * @handle: amdgpu_device pointer
143 *
144 */
145static int jpeg_v3_0_hw_init(void *handle)
146{
147 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
148 struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
149 int r;
150
151 adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
152 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
153
154 r = amdgpu_ring_test_helper(ring);
155 if (r)
156 return r;
157
158 DRM_INFO("JPEG decode initialized successfully.\n");
159
160 return 0;
161}
162
163/**
164 * jpeg_v3_0_hw_fini - stop the hardware block
165 *
166 * @handle: amdgpu_device pointer
167 *
168 * Stop the JPEG block, mark ring as not ready any more
169 */
170static int jpeg_v3_0_hw_fini(void *handle)
171{
172 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
173
174 cancel_delayed_work_sync(dwork: &adev->vcn.idle_work);
175
176 if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
177 RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
178 jpeg_v3_0_set_powergating_state(handle: adev, state: AMD_PG_STATE_GATE);
179
180 return 0;
181}
182
183/**
184 * jpeg_v3_0_suspend - suspend JPEG block
185 *
186 * @handle: amdgpu_device pointer
187 *
188 * HW fini and suspend JPEG block
189 */
190static int jpeg_v3_0_suspend(void *handle)
191{
192 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
193 int r;
194
195 r = jpeg_v3_0_hw_fini(handle: adev);
196 if (r)
197 return r;
198
199 r = amdgpu_jpeg_suspend(adev);
200
201 return r;
202}
203
204/**
205 * jpeg_v3_0_resume - resume JPEG block
206 *
207 * @handle: amdgpu_device pointer
208 *
209 * Resume firmware and hw init JPEG block
210 */
211static int jpeg_v3_0_resume(void *handle)
212{
213 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
214 int r;
215
216 r = amdgpu_jpeg_resume(adev);
217 if (r)
218 return r;
219
220 r = jpeg_v3_0_hw_init(handle: adev);
221
222 return r;
223}
224
225static void jpeg_v3_0_disable_clock_gating(struct amdgpu_device *adev)
226{
227 uint32_t data = 0;
228
229 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
230 if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
231 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
232 else
233 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
234
235 data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
236 data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
237 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
238
239 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
240 data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
241 | JPEG_CGC_GATE__JPEG2_DEC_MASK
242 | JPEG_CGC_GATE__JPEG_ENC_MASK
243 | JPEG_CGC_GATE__JMCIF_MASK
244 | JPEG_CGC_GATE__JRBBM_MASK);
245 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
246
247 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
248 data &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK
249 | JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK
250 | JPEG_CGC_CTRL__JMCIF_MODE_MASK
251 | JPEG_CGC_CTRL__JRBBM_MODE_MASK);
252 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
253}
254
255static void jpeg_v3_0_enable_clock_gating(struct amdgpu_device *adev)
256{
257 uint32_t data = 0;
258
259 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
260 data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
261 |JPEG_CGC_GATE__JPEG2_DEC_MASK
262 |JPEG_CGC_GATE__JPEG_ENC_MASK
263 |JPEG_CGC_GATE__JMCIF_MASK
264 |JPEG_CGC_GATE__JRBBM_MASK);
265 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
266}
267
268static int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev)
269{
270 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
271 uint32_t data = 0;
272 int r = 0;
273
274 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
275 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
276
277 r = SOC15_WAIT_ON_RREG(JPEG, 0,
278 mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
279 UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
280
281 if (r) {
282 DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
283 return r;
284 }
285 }
286
287 /* disable anti hang mechanism */
288 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
289 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
290
291 /* keep the JPEG in static PG mode */
292 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
293 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
294
295 return 0;
296}
297
298static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device *adev)
299{
300 /* enable anti hang mechanism */
301 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS),
302 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
303 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
304
305 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
306 uint32_t data = 0;
307 int r = 0;
308
309 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
310 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
311
312 r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
313 (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
314 UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
315
316 if (r) {
317 DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
318 return r;
319 }
320 }
321
322 return 0;
323}
324
325/**
326 * jpeg_v3_0_start - start JPEG block
327 *
328 * @adev: amdgpu_device pointer
329 *
330 * Setup and start the JPEG block
331 */
332static int jpeg_v3_0_start(struct amdgpu_device *adev)
333{
334 struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
335 int r;
336
337 if (adev->pm.dpm_enabled)
338 amdgpu_dpm_enable_jpeg(adev, enable: true);
339
340 /* disable power gating */
341 r = jpeg_v3_0_disable_static_power_gating(adev);
342 if (r)
343 return r;
344
345 /* JPEG disable CGC */
346 jpeg_v3_0_disable_clock_gating(adev);
347
348 /* MJPEG global tiling registers */
349 WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG,
350 adev->gfx.config.gb_addr_config);
351 WREG32_SOC15(JPEG, 0, mmJPEG_ENC_GFX10_ADDR_CONFIG,
352 adev->gfx.config.gb_addr_config);
353
354 /* enable JMI channel */
355 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
356 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
357
358 /* enable System Interrupt for JRBC */
359 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
360 JPEG_SYS_INT_EN__DJRBC_MASK,
361 ~JPEG_SYS_INT_EN__DJRBC_MASK);
362
363 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
364 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
365 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
366 lower_32_bits(ring->gpu_addr));
367 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
368 upper_32_bits(ring->gpu_addr));
369 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
370 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
371 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
372 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
373 ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
374
375 return 0;
376}
377
378/**
379 * jpeg_v3_0_stop - stop JPEG block
380 *
381 * @adev: amdgpu_device pointer
382 *
383 * stop the JPEG block
384 */
385static int jpeg_v3_0_stop(struct amdgpu_device *adev)
386{
387 int r;
388
389 /* reset JMI */
390 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
391 UVD_JMI_CNTL__SOFT_RESET_MASK,
392 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
393
394 jpeg_v3_0_enable_clock_gating(adev);
395
396 /* enable power gating */
397 r = jpeg_v3_0_enable_static_power_gating(adev);
398 if (r)
399 return r;
400
401 if (adev->pm.dpm_enabled)
402 amdgpu_dpm_enable_jpeg(adev, enable: false);
403
404 return 0;
405}
406
407/**
408 * jpeg_v3_0_dec_ring_get_rptr - get read pointer
409 *
410 * @ring: amdgpu_ring pointer
411 *
412 * Returns the current hardware read pointer
413 */
414static uint64_t jpeg_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
415{
416 struct amdgpu_device *adev = ring->adev;
417
418 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
419}
420
421/**
422 * jpeg_v3_0_dec_ring_get_wptr - get write pointer
423 *
424 * @ring: amdgpu_ring pointer
425 *
426 * Returns the current hardware write pointer
427 */
428static uint64_t jpeg_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
429{
430 struct amdgpu_device *adev = ring->adev;
431
432 if (ring->use_doorbell)
433 return *ring->wptr_cpu_addr;
434 else
435 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
436}
437
438/**
439 * jpeg_v3_0_dec_ring_set_wptr - set write pointer
440 *
441 * @ring: amdgpu_ring pointer
442 *
443 * Commits the write pointer to the hardware
444 */
445static void jpeg_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
446{
447 struct amdgpu_device *adev = ring->adev;
448
449 if (ring->use_doorbell) {
450 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
451 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
452 } else {
453 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
454 }
455}
456
457static bool jpeg_v3_0_is_idle(void *handle)
458{
459 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
460 int ret = 1;
461
462 ret &= (((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
463 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
464 UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
465
466 return ret;
467}
468
469static int jpeg_v3_0_wait_for_idle(void *handle)
470{
471 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
472
473 return SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
474 UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
475 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
476}
477
478static int jpeg_v3_0_set_clockgating_state(void *handle,
479 enum amd_clockgating_state state)
480{
481 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
482 bool enable = state == AMD_CG_STATE_GATE;
483
484 if (enable) {
485 if (!jpeg_v3_0_is_idle(handle))
486 return -EBUSY;
487 jpeg_v3_0_enable_clock_gating(adev);
488 } else {
489 jpeg_v3_0_disable_clock_gating(adev);
490 }
491
492 return 0;
493}
494
495static int jpeg_v3_0_set_powergating_state(void *handle,
496 enum amd_powergating_state state)
497{
498 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
499 int ret;
500
501 if(state == adev->jpeg.cur_state)
502 return 0;
503
504 if (state == AMD_PG_STATE_GATE)
505 ret = jpeg_v3_0_stop(adev);
506 else
507 ret = jpeg_v3_0_start(adev);
508
509 if(!ret)
510 adev->jpeg.cur_state = state;
511
512 return ret;
513}
514
515static int jpeg_v3_0_set_interrupt_state(struct amdgpu_device *adev,
516 struct amdgpu_irq_src *source,
517 unsigned type,
518 enum amdgpu_interrupt_state state)
519{
520 return 0;
521}
522
523static int jpeg_v3_0_process_interrupt(struct amdgpu_device *adev,
524 struct amdgpu_irq_src *source,
525 struct amdgpu_iv_entry *entry)
526{
527 DRM_DEBUG("IH: JPEG TRAP\n");
528
529 switch (entry->src_id) {
530 case VCN_2_0__SRCID__JPEG_DECODE:
531 amdgpu_fence_process(ring: adev->jpeg.inst->ring_dec);
532 break;
533 default:
534 DRM_ERROR("Unhandled interrupt: %d %d\n",
535 entry->src_id, entry->src_data[0]);
536 break;
537 }
538
539 return 0;
540}
541
542static const struct amd_ip_funcs jpeg_v3_0_ip_funcs = {
543 .name = "jpeg_v3_0",
544 .early_init = jpeg_v3_0_early_init,
545 .late_init = NULL,
546 .sw_init = jpeg_v3_0_sw_init,
547 .sw_fini = jpeg_v3_0_sw_fini,
548 .hw_init = jpeg_v3_0_hw_init,
549 .hw_fini = jpeg_v3_0_hw_fini,
550 .suspend = jpeg_v3_0_suspend,
551 .resume = jpeg_v3_0_resume,
552 .is_idle = jpeg_v3_0_is_idle,
553 .wait_for_idle = jpeg_v3_0_wait_for_idle,
554 .check_soft_reset = NULL,
555 .pre_soft_reset = NULL,
556 .soft_reset = NULL,
557 .post_soft_reset = NULL,
558 .set_clockgating_state = jpeg_v3_0_set_clockgating_state,
559 .set_powergating_state = jpeg_v3_0_set_powergating_state,
560};
561
562static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = {
563 .type = AMDGPU_RING_TYPE_VCN_JPEG,
564 .align_mask = 0xf,
565 .get_rptr = jpeg_v3_0_dec_ring_get_rptr,
566 .get_wptr = jpeg_v3_0_dec_ring_get_wptr,
567 .set_wptr = jpeg_v3_0_dec_ring_set_wptr,
568 .emit_frame_size =
569 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
570 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
571 8 + /* jpeg_v3_0_dec_ring_emit_vm_flush */
572 18 + 18 + /* jpeg_v3_0_dec_ring_emit_fence x2 vm fence */
573 8 + 16,
574 .emit_ib_size = 22, /* jpeg_v3_0_dec_ring_emit_ib */
575 .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
576 .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
577 .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
578 .test_ring = amdgpu_jpeg_dec_ring_test_ring,
579 .test_ib = amdgpu_jpeg_dec_ring_test_ib,
580 .insert_nop = jpeg_v2_0_dec_ring_nop,
581 .insert_start = jpeg_v2_0_dec_ring_insert_start,
582 .insert_end = jpeg_v2_0_dec_ring_insert_end,
583 .pad_ib = amdgpu_ring_generic_pad_ib,
584 .begin_use = amdgpu_jpeg_ring_begin_use,
585 .end_use = amdgpu_jpeg_ring_end_use,
586 .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
587 .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
588 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
589};
590
591static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
592{
593 adev->jpeg.inst->ring_dec->funcs = &jpeg_v3_0_dec_ring_vm_funcs;
594 DRM_INFO("JPEG decode is enabled in VM mode\n");
595}
596
597static const struct amdgpu_irq_src_funcs jpeg_v3_0_irq_funcs = {
598 .set = jpeg_v3_0_set_interrupt_state,
599 .process = jpeg_v3_0_process_interrupt,
600};
601
602static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev)
603{
604 adev->jpeg.inst->irq.num_types = 1;
605 adev->jpeg.inst->irq.funcs = &jpeg_v3_0_irq_funcs;
606}
607
608const struct amdgpu_ip_block_version jpeg_v3_0_ip_block =
609{
610 .type = AMD_IP_BLOCK_TYPE_JPEG,
611 .major = 3,
612 .minor = 0,
613 .rev = 0,
614 .funcs = &jpeg_v3_0_ip_funcs,
615};
616

source code of linux/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c