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_2_0_0_offset.h"
32 #include "vcn/vcn_2_0_0_sh_mask.h"
33 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
34 
35 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
36 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev);
37 static int jpeg_v2_0_set_powergating_state(void *handle,
38 				enum amd_powergating_state state);
39 
40 /**
41  * jpeg_v2_0_early_init - set function pointers
42  *
43  * @handle: amdgpu_device pointer
44  *
45  * Set ring and irq function pointers
46  */
47 static int jpeg_v2_0_early_init(void *handle)
48 {
49 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
50 
51 	adev->jpeg.num_jpeg_inst = 1;
52 	adev->jpeg.num_jpeg_rings = 1;
53 
54 	jpeg_v2_0_set_dec_ring_funcs(adev);
55 	jpeg_v2_0_set_irq_funcs(adev);
56 
57 	return 0;
58 }
59 
60 /**
61  * jpeg_v2_0_sw_init - sw init for JPEG block
62  *
63  * @handle: amdgpu_device pointer
64  *
65  * Load firmware and sw initialization
66  */
67 static int jpeg_v2_0_sw_init(void *handle)
68 {
69 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
70 	struct amdgpu_ring *ring;
71 	int r;
72 
73 	/* JPEG TRAP */
74 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
75 		VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
76 	if (r)
77 		return r;
78 
79 	r = amdgpu_jpeg_sw_init(adev);
80 	if (r)
81 		return r;
82 
83 	r = amdgpu_jpeg_resume(adev);
84 	if (r)
85 		return r;
86 
87 	ring = adev->jpeg.inst->ring_dec;
88 	ring->use_doorbell = true;
89 	ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
90 	ring->vm_hub = AMDGPU_MMHUB0(0);
91 	sprintf(ring->name, "jpeg_dec");
92 	r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
93 			     0, AMDGPU_RING_PRIO_DEFAULT, NULL);
94 	if (r)
95 		return r;
96 
97 	adev->jpeg.internal.jpeg_pitch[0] = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
98 	adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
99 
100 	return 0;
101 }
102 
103 /**
104  * jpeg_v2_0_sw_fini - sw fini for JPEG block
105  *
106  * @handle: amdgpu_device pointer
107  *
108  * JPEG suspend and free up sw allocation
109  */
110 static int jpeg_v2_0_sw_fini(void *handle)
111 {
112 	int r;
113 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
114 
115 	r = amdgpu_jpeg_suspend(adev);
116 	if (r)
117 		return r;
118 
119 	r = amdgpu_jpeg_sw_fini(adev);
120 
121 	return r;
122 }
123 
124 /**
125  * jpeg_v2_0_hw_init - start and test JPEG block
126  *
127  * @handle: amdgpu_device pointer
128  *
129  */
130 static int jpeg_v2_0_hw_init(void *handle)
131 {
132 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
133 	struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
134 	int r;
135 
136 	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
137 		(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
138 
139 	r = amdgpu_ring_test_helper(ring);
140 	if (!r)
141 		DRM_INFO("JPEG decode initialized successfully.\n");
142 
143 	return r;
144 }
145 
146 /**
147  * jpeg_v2_0_hw_fini - stop the hardware block
148  *
149  * @handle: amdgpu_device pointer
150  *
151  * Stop the JPEG block, mark ring as not ready any more
152  */
153 static int jpeg_v2_0_hw_fini(void *handle)
154 {
155 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
156 
157 	cancel_delayed_work_sync(&adev->vcn.idle_work);
158 
159 	if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
160 	      RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
161 		jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
162 
163 	return 0;
164 }
165 
166 /**
167  * jpeg_v2_0_suspend - suspend JPEG block
168  *
169  * @handle: amdgpu_device pointer
170  *
171  * HW fini and suspend JPEG block
172  */
173 static int jpeg_v2_0_suspend(void *handle)
174 {
175 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
176 	int r;
177 
178 	r = jpeg_v2_0_hw_fini(adev);
179 	if (r)
180 		return r;
181 
182 	r = amdgpu_jpeg_suspend(adev);
183 
184 	return r;
185 }
186 
187 /**
188  * jpeg_v2_0_resume - resume JPEG block
189  *
190  * @handle: amdgpu_device pointer
191  *
192  * Resume firmware and hw init JPEG block
193  */
194 static int jpeg_v2_0_resume(void *handle)
195 {
196 	int r;
197 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
198 
199 	r = amdgpu_jpeg_resume(adev);
200 	if (r)
201 		return r;
202 
203 	r = jpeg_v2_0_hw_init(adev);
204 
205 	return r;
206 }
207 
208 static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
209 {
210 	uint32_t data;
211 	int r = 0;
212 
213 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
214 		data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
215 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
216 
217 		r = SOC15_WAIT_ON_RREG(JPEG, 0,
218 			mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
219 			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
220 
221 		if (r) {
222 			DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
223 			return r;
224 		}
225 	}
226 
227 	/* Removing the anti hang mechanism to indicate the UVDJ tile is ON */
228 	data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS)) & ~0x1;
229 	WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
230 
231 	return 0;
232 }
233 
234 static int jpeg_v2_0_enable_power_gating(struct amdgpu_device *adev)
235 {
236 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
237 		uint32_t data;
238 		int r = 0;
239 
240 		data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS));
241 		data &= ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK;
242 		data |=  0x1; //UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_TILES_OFF;
243 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
244 
245 		data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
246 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
247 
248 		r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
249 			(2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
250 			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
251 
252 		if (r) {
253 			DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
254 			return r;
255 		}
256 	}
257 
258 	return 0;
259 }
260 
261 static void jpeg_v2_0_disable_clock_gating(struct amdgpu_device *adev)
262 {
263 	uint32_t data;
264 
265 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
266 	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
267 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
268 	else
269 		data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
270 
271 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
272 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
273 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
274 
275 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
276 	data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
277 		| JPEG_CGC_GATE__JPEG2_DEC_MASK
278 		| JPEG_CGC_GATE__JPEG_ENC_MASK
279 		| JPEG_CGC_GATE__JMCIF_MASK
280 		| JPEG_CGC_GATE__JRBBM_MASK);
281 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
282 }
283 
284 static void jpeg_v2_0_enable_clock_gating(struct amdgpu_device *adev)
285 {
286 	uint32_t data;
287 
288 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
289 	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
290 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
291 	else
292 		data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
293 
294 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
295 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
296 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
297 
298 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
299 	data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
300 		|JPEG_CGC_GATE__JPEG2_DEC_MASK
301 		|JPEG_CGC_GATE__JPEG_ENC_MASK
302 		|JPEG_CGC_GATE__JMCIF_MASK
303 		|JPEG_CGC_GATE__JRBBM_MASK);
304 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
305 }
306 
307 /**
308  * jpeg_v2_0_start - start JPEG block
309  *
310  * @adev: amdgpu_device pointer
311  *
312  * Setup and start the JPEG block
313  */
314 static int jpeg_v2_0_start(struct amdgpu_device *adev)
315 {
316 	struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
317 	int r;
318 
319 	if (adev->pm.dpm_enabled)
320 		amdgpu_dpm_enable_jpeg(adev, true);
321 
322 	/* disable power gating */
323 	r = jpeg_v2_0_disable_power_gating(adev);
324 	if (r)
325 		return r;
326 
327 	/* JPEG disable CGC */
328 	jpeg_v2_0_disable_clock_gating(adev);
329 
330 	WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
331 
332 	/* enable JMI channel */
333 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
334 		~UVD_JMI_CNTL__SOFT_RESET_MASK);
335 
336 	/* enable System Interrupt for JRBC */
337 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
338 		JPEG_SYS_INT_EN__DJRBC_MASK,
339 		~JPEG_SYS_INT_EN__DJRBC_MASK);
340 
341 	WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
342 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
343 	WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
344 		lower_32_bits(ring->gpu_addr));
345 	WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
346 		upper_32_bits(ring->gpu_addr));
347 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
348 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
349 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
350 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
351 	ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
352 
353 	return 0;
354 }
355 
356 /**
357  * jpeg_v2_0_stop - stop JPEG block
358  *
359  * @adev: amdgpu_device pointer
360  *
361  * stop the JPEG block
362  */
363 static int jpeg_v2_0_stop(struct amdgpu_device *adev)
364 {
365 	int r;
366 
367 	/* reset JMI */
368 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
369 		UVD_JMI_CNTL__SOFT_RESET_MASK,
370 		~UVD_JMI_CNTL__SOFT_RESET_MASK);
371 
372 	/* enable JPEG CGC */
373 	jpeg_v2_0_enable_clock_gating(adev);
374 
375 	/* enable power gating */
376 	r = jpeg_v2_0_enable_power_gating(adev);
377 	if (r)
378 		return r;
379 
380 	if (adev->pm.dpm_enabled)
381 		amdgpu_dpm_enable_jpeg(adev, false);
382 
383 	return 0;
384 }
385 
386 /**
387  * jpeg_v2_0_dec_ring_get_rptr - get read pointer
388  *
389  * @ring: amdgpu_ring pointer
390  *
391  * Returns the current hardware read pointer
392  */
393 static uint64_t jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
394 {
395 	struct amdgpu_device *adev = ring->adev;
396 
397 	return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
398 }
399 
400 /**
401  * jpeg_v2_0_dec_ring_get_wptr - get write pointer
402  *
403  * @ring: amdgpu_ring pointer
404  *
405  * Returns the current hardware write pointer
406  */
407 static uint64_t jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
408 {
409 	struct amdgpu_device *adev = ring->adev;
410 
411 	if (ring->use_doorbell)
412 		return *ring->wptr_cpu_addr;
413 	else
414 		return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
415 }
416 
417 /**
418  * jpeg_v2_0_dec_ring_set_wptr - set write pointer
419  *
420  * @ring: amdgpu_ring pointer
421  *
422  * Commits the write pointer to the hardware
423  */
424 static void jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
425 {
426 	struct amdgpu_device *adev = ring->adev;
427 
428 	if (ring->use_doorbell) {
429 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
430 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
431 	} else {
432 		WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
433 	}
434 }
435 
436 /**
437  * jpeg_v2_0_dec_ring_insert_start - insert a start command
438  *
439  * @ring: amdgpu_ring pointer
440  *
441  * Write a start command to the ring.
442  */
443 void jpeg_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
444 {
445 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
446 		0, 0, PACKETJ_TYPE0));
447 	amdgpu_ring_write(ring, 0x68e04);
448 
449 	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
450 		0, 0, PACKETJ_TYPE0));
451 	amdgpu_ring_write(ring, 0x80010000);
452 }
453 
454 /**
455  * jpeg_v2_0_dec_ring_insert_end - insert a end command
456  *
457  * @ring: amdgpu_ring pointer
458  *
459  * Write a end command to the ring.
460  */
461 void jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
462 {
463 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
464 		0, 0, PACKETJ_TYPE0));
465 	amdgpu_ring_write(ring, 0x68e04);
466 
467 	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
468 		0, 0, PACKETJ_TYPE0));
469 	amdgpu_ring_write(ring, 0x00010000);
470 }
471 
472 /**
473  * jpeg_v2_0_dec_ring_emit_fence - emit an fence & trap command
474  *
475  * @ring: amdgpu_ring pointer
476  * @addr: address
477  * @seq: sequence number
478  * @flags: fence related flags
479  *
480  * Write a fence and a trap command to the ring.
481  */
482 void jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
483 				unsigned flags)
484 {
485 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
486 
487 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
488 		0, 0, PACKETJ_TYPE0));
489 	amdgpu_ring_write(ring, seq);
490 
491 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
492 		0, 0, PACKETJ_TYPE0));
493 	amdgpu_ring_write(ring, seq);
494 
495 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET,
496 		0, 0, PACKETJ_TYPE0));
497 	amdgpu_ring_write(ring, lower_32_bits(addr));
498 
499 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET,
500 		0, 0, PACKETJ_TYPE0));
501 	amdgpu_ring_write(ring, upper_32_bits(addr));
502 
503 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
504 		0, 0, PACKETJ_TYPE0));
505 	amdgpu_ring_write(ring, 0x8);
506 
507 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
508 		0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
509 	amdgpu_ring_write(ring, 0);
510 
511 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
512 		0, 0, PACKETJ_TYPE0));
513 	amdgpu_ring_write(ring, 0x3fbc);
514 
515 	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
516 		0, 0, PACKETJ_TYPE0));
517 	amdgpu_ring_write(ring, 0x1);
518 
519 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
520 	amdgpu_ring_write(ring, 0);
521 }
522 
523 /**
524  * jpeg_v2_0_dec_ring_emit_ib - execute indirect buffer
525  *
526  * @ring: amdgpu_ring pointer
527  * @job: job to retrieve vmid from
528  * @ib: indirect buffer to execute
529  * @flags: unused
530  *
531  * Write ring commands to execute the indirect buffer.
532  */
533 void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
534 				struct amdgpu_job *job,
535 				struct amdgpu_ib *ib,
536 				uint32_t flags)
537 {
538 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
539 
540 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_IH_CTRL_INTERNAL_OFFSET,
541 		0, 0, PACKETJ_TYPE0));
542 	amdgpu_ring_write(ring, (vmid << JPEG_IH_CTRL__IH_VMID__SHIFT));
543 
544 	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
545 		0, 0, PACKETJ_TYPE0));
546 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
547 
548 	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET,
549 		0, 0, PACKETJ_TYPE0));
550 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
551 
552 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET,
553 		0, 0, PACKETJ_TYPE0));
554 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
555 
556 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET,
557 		0, 0, PACKETJ_TYPE0));
558 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
559 
560 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
561 		0, 0, PACKETJ_TYPE0));
562 	amdgpu_ring_write(ring, ib->length_dw);
563 
564 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET,
565 		0, 0, PACKETJ_TYPE0));
566 	amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
567 
568 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET,
569 		0, 0, PACKETJ_TYPE0));
570 	amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
571 
572 	amdgpu_ring_write(ring,	PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
573 	amdgpu_ring_write(ring, 0);
574 
575 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
576 		0, 0, PACKETJ_TYPE0));
577 	amdgpu_ring_write(ring, 0x01400200);
578 
579 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
580 		0, 0, PACKETJ_TYPE0));
581 	amdgpu_ring_write(ring, 0x2);
582 
583 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_STATUS_INTERNAL_OFFSET,
584 		0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
585 	amdgpu_ring_write(ring, 0x2);
586 }
587 
588 void jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
589 				uint32_t val, uint32_t mask)
590 {
591 	uint32_t reg_offset = (reg << 2);
592 
593 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
594 		0, 0, PACKETJ_TYPE0));
595 	amdgpu_ring_write(ring, 0x01400200);
596 
597 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
598 		0, 0, PACKETJ_TYPE0));
599 	amdgpu_ring_write(ring, val);
600 
601 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
602 		0, 0, PACKETJ_TYPE0));
603 	if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
604 		amdgpu_ring_write(ring, 0);
605 		amdgpu_ring_write(ring,
606 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
607 	} else {
608 		amdgpu_ring_write(ring, reg_offset);
609 		amdgpu_ring_write(ring,	PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
610 			0, 0, PACKETJ_TYPE3));
611 	}
612 	amdgpu_ring_write(ring, mask);
613 }
614 
615 void jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
616 				unsigned vmid, uint64_t pd_addr)
617 {
618 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
619 	uint32_t data0, data1, mask;
620 
621 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
622 
623 	/* wait for register write */
624 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
625 	data1 = lower_32_bits(pd_addr);
626 	mask = 0xffffffff;
627 	jpeg_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
628 }
629 
630 void jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
631 {
632 	uint32_t reg_offset = (reg << 2);
633 
634 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
635 		0, 0, PACKETJ_TYPE0));
636 	if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
637 		amdgpu_ring_write(ring, 0);
638 		amdgpu_ring_write(ring,
639 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
640 	} else {
641 		amdgpu_ring_write(ring, reg_offset);
642 		amdgpu_ring_write(ring,	PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
643 			0, 0, PACKETJ_TYPE0));
644 	}
645 	amdgpu_ring_write(ring, val);
646 }
647 
648 void jpeg_v2_0_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count)
649 {
650 	int i;
651 
652 	WARN_ON(ring->wptr % 2 || count % 2);
653 
654 	for (i = 0; i < count / 2; i++) {
655 		amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
656 		amdgpu_ring_write(ring, 0);
657 	}
658 }
659 
660 static bool jpeg_v2_0_is_idle(void *handle)
661 {
662 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
663 
664 	return ((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
665 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
666 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
667 }
668 
669 static int jpeg_v2_0_wait_for_idle(void *handle)
670 {
671 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
672 	int ret;
673 
674 	ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
675 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
676 
677 	return ret;
678 }
679 
680 static int jpeg_v2_0_set_clockgating_state(void *handle,
681 					  enum amd_clockgating_state state)
682 {
683 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
684 	bool enable = (state == AMD_CG_STATE_GATE);
685 
686 	if (enable) {
687 		if (!jpeg_v2_0_is_idle(handle))
688 			return -EBUSY;
689 		jpeg_v2_0_enable_clock_gating(adev);
690 	} else {
691 		jpeg_v2_0_disable_clock_gating(adev);
692 	}
693 
694 	return 0;
695 }
696 
697 static int jpeg_v2_0_set_powergating_state(void *handle,
698 					enum amd_powergating_state state)
699 {
700 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
701 	int ret;
702 
703 	if (state == adev->jpeg.cur_state)
704 		return 0;
705 
706 	if (state == AMD_PG_STATE_GATE)
707 		ret = jpeg_v2_0_stop(adev);
708 	else
709 		ret = jpeg_v2_0_start(adev);
710 
711 	if (!ret)
712 		adev->jpeg.cur_state = state;
713 
714 	return ret;
715 }
716 
717 static int jpeg_v2_0_set_interrupt_state(struct amdgpu_device *adev,
718 					struct amdgpu_irq_src *source,
719 					unsigned type,
720 					enum amdgpu_interrupt_state state)
721 {
722 	return 0;
723 }
724 
725 static int jpeg_v2_0_process_interrupt(struct amdgpu_device *adev,
726 				      struct amdgpu_irq_src *source,
727 				      struct amdgpu_iv_entry *entry)
728 {
729 	DRM_DEBUG("IH: JPEG TRAP\n");
730 
731 	switch (entry->src_id) {
732 	case VCN_2_0__SRCID__JPEG_DECODE:
733 		amdgpu_fence_process(adev->jpeg.inst->ring_dec);
734 		break;
735 	default:
736 		DRM_ERROR("Unhandled interrupt: %d %d\n",
737 			  entry->src_id, entry->src_data[0]);
738 		break;
739 	}
740 
741 	return 0;
742 }
743 
744 static const struct amd_ip_funcs jpeg_v2_0_ip_funcs = {
745 	.name = "jpeg_v2_0",
746 	.early_init = jpeg_v2_0_early_init,
747 	.late_init = NULL,
748 	.sw_init = jpeg_v2_0_sw_init,
749 	.sw_fini = jpeg_v2_0_sw_fini,
750 	.hw_init = jpeg_v2_0_hw_init,
751 	.hw_fini = jpeg_v2_0_hw_fini,
752 	.suspend = jpeg_v2_0_suspend,
753 	.resume = jpeg_v2_0_resume,
754 	.is_idle = jpeg_v2_0_is_idle,
755 	.wait_for_idle = jpeg_v2_0_wait_for_idle,
756 	.check_soft_reset = NULL,
757 	.pre_soft_reset = NULL,
758 	.soft_reset = NULL,
759 	.post_soft_reset = NULL,
760 	.set_clockgating_state = jpeg_v2_0_set_clockgating_state,
761 	.set_powergating_state = jpeg_v2_0_set_powergating_state,
762 };
763 
764 static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
765 	.type = AMDGPU_RING_TYPE_VCN_JPEG,
766 	.align_mask = 0xf,
767 	.get_rptr = jpeg_v2_0_dec_ring_get_rptr,
768 	.get_wptr = jpeg_v2_0_dec_ring_get_wptr,
769 	.set_wptr = jpeg_v2_0_dec_ring_set_wptr,
770 	.emit_frame_size =
771 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
772 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
773 		8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
774 		18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
775 		8 + 16,
776 	.emit_ib_size = 24, /* jpeg_v2_0_dec_ring_emit_ib */
777 	.emit_ib = jpeg_v2_0_dec_ring_emit_ib,
778 	.emit_fence = jpeg_v2_0_dec_ring_emit_fence,
779 	.emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
780 	.test_ring = amdgpu_jpeg_dec_ring_test_ring,
781 	.test_ib = amdgpu_jpeg_dec_ring_test_ib,
782 	.insert_nop = jpeg_v2_0_dec_ring_nop,
783 	.insert_start = jpeg_v2_0_dec_ring_insert_start,
784 	.insert_end = jpeg_v2_0_dec_ring_insert_end,
785 	.pad_ib = amdgpu_ring_generic_pad_ib,
786 	.begin_use = amdgpu_jpeg_ring_begin_use,
787 	.end_use = amdgpu_jpeg_ring_end_use,
788 	.emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
789 	.emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
790 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
791 };
792 
793 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
794 {
795 	adev->jpeg.inst->ring_dec->funcs = &jpeg_v2_0_dec_ring_vm_funcs;
796 	DRM_INFO("JPEG decode is enabled in VM mode\n");
797 }
798 
799 static const struct amdgpu_irq_src_funcs jpeg_v2_0_irq_funcs = {
800 	.set = jpeg_v2_0_set_interrupt_state,
801 	.process = jpeg_v2_0_process_interrupt,
802 };
803 
804 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev)
805 {
806 	adev->jpeg.inst->irq.num_types = 1;
807 	adev->jpeg.inst->irq.funcs = &jpeg_v2_0_irq_funcs;
808 }
809 
810 const struct amdgpu_ip_block_version jpeg_v2_0_ip_block =
811 {
812 		.type = AMD_IP_BLOCK_TYPE_JPEG,
813 		.major = 2,
814 		.minor = 0,
815 		.rev = 0,
816 		.funcs = &jpeg_v2_0_ip_funcs,
817 };
818