1/*	$NetBSD: amdgpu_jpeg_v2_0.c,v 1.3 2021/12/19 12:02:39 riastradh Exp $	*/
2
3/*
4 * Copyright 2019 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25
26#include <sys/cdefs.h>
27__KERNEL_RCSID(0, "$NetBSD: amdgpu_jpeg_v2_0.c,v 1.3 2021/12/19 12:02:39 riastradh Exp $");
28
29#include "amdgpu.h"
30#include "amdgpu_jpeg.h"
31#include "amdgpu_pm.h"
32#include "soc15.h"
33#include "soc15d.h"
34
35#include "vcn/vcn_2_0_0_offset.h"
36#include "vcn/vcn_2_0_0_sh_mask.h"
37#include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
38
39#define mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET 			0x1bfff
40#define mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET				0x4029
41#define mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET				0x402a
42#define mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET				0x402b
43#define mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET		0x40ea
44#define mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x40eb
45#define mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET				0x40cf
46#define mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET				0x40d1
47#define mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET 		0x40e8
48#define mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x40e9
49#define mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET				0x4082
50#define mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET		0x40ec
51#define mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x40ed
52#define mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET			0x4085
53#define mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET				0x4084
54#define mmUVD_JRBC_STATUS_INTERNAL_OFFSET				0x4089
55#define mmUVD_JPEG_PITCH_INTERNAL_OFFSET				0x401f
56
57#define JRBC_DEC_EXTERNAL_REG_WRITE_ADDR				0x18000
58
59static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
60static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev);
61static int jpeg_v2_0_set_powergating_state(void *handle,
62				enum amd_powergating_state state);
63
64/**
65 * jpeg_v2_0_early_init - set function pointers
66 *
67 * @handle: amdgpu_device pointer
68 *
69 * Set ring and irq function pointers
70 */
71static int jpeg_v2_0_early_init(void *handle)
72{
73	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
74
75	adev->jpeg.num_jpeg_inst = 1;
76
77	jpeg_v2_0_set_dec_ring_funcs(adev);
78	jpeg_v2_0_set_irq_funcs(adev);
79
80	return 0;
81}
82
83/**
84 * jpeg_v2_0_sw_init - sw init for JPEG block
85 *
86 * @handle: amdgpu_device pointer
87 *
88 * Load firmware and sw initialization
89 */
90static int jpeg_v2_0_sw_init(void *handle)
91{
92	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
93	struct amdgpu_ring *ring;
94	int r;
95
96	/* JPEG TRAP */
97	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
98		VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
99	if (r)
100		return r;
101
102	r = amdgpu_jpeg_sw_init(adev);
103	if (r)
104		return r;
105
106	r = amdgpu_jpeg_resume(adev);
107	if (r)
108		return r;
109
110	ring = &adev->jpeg.inst->ring_dec;
111	ring->use_doorbell = true;
112	ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
113	snprintf(ring->name, sizeof(ring->name), "jpeg_dec");
114	r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0);
115	if (r)
116		return r;
117
118	adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
119	adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
120
121	return 0;
122}
123
124/**
125 * jpeg_v2_0_sw_fini - sw fini for JPEG block
126 *
127 * @handle: amdgpu_device pointer
128 *
129 * JPEG suspend and free up sw allocation
130 */
131static int jpeg_v2_0_sw_fini(void *handle)
132{
133	int r;
134	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
135
136	r = amdgpu_jpeg_suspend(adev);
137	if (r)
138		return r;
139
140	r = amdgpu_jpeg_sw_fini(adev);
141
142	return r;
143}
144
145/**
146 * jpeg_v2_0_hw_init - start and test JPEG block
147 *
148 * @handle: amdgpu_device pointer
149 *
150 */
151static int jpeg_v2_0_hw_init(void *handle)
152{
153	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
154	struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
155	int r;
156
157	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
158		(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
159
160	r = amdgpu_ring_test_helper(ring);
161	if (!r)
162		DRM_INFO("JPEG decode initialized successfully.\n");
163
164	return r;
165}
166
167/**
168 * jpeg_v2_0_hw_fini - stop the hardware block
169 *
170 * @handle: amdgpu_device pointer
171 *
172 * Stop the JPEG block, mark ring as not ready any more
173 */
174static int jpeg_v2_0_hw_fini(void *handle)
175{
176	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
177	struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
178
179	if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
180	      RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
181		jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
182
183	ring->sched.ready = false;
184
185	return 0;
186}
187
188/**
189 * jpeg_v2_0_suspend - suspend JPEG block
190 *
191 * @handle: amdgpu_device pointer
192 *
193 * HW fini and suspend JPEG block
194 */
195static int jpeg_v2_0_suspend(void *handle)
196{
197	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
198	int r;
199
200	r = jpeg_v2_0_hw_fini(adev);
201	if (r)
202		return r;
203
204	r = amdgpu_jpeg_suspend(adev);
205
206	return r;
207}
208
209/**
210 * jpeg_v2_0_resume - resume JPEG block
211 *
212 * @handle: amdgpu_device pointer
213 *
214 * Resume firmware and hw init JPEG block
215 */
216static int jpeg_v2_0_resume(void *handle)
217{
218	int r;
219	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
220
221	r = amdgpu_jpeg_resume(adev);
222	if (r)
223		return r;
224
225	r = jpeg_v2_0_hw_init(adev);
226
227	return r;
228}
229
230static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
231{
232	uint32_t data;
233	int r = 0;
234
235	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
236		data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
237		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
238
239		SOC15_WAIT_ON_RREG(JPEG, 0,
240			mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
241			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK, r);
242
243		if (r) {
244			DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
245			return r;
246		}
247	}
248
249	/* Removing the anti hang mechanism to indicate the UVDJ tile is ON */
250	data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS)) & ~0x1;
251	WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
252
253	return 0;
254}
255
256static int jpeg_v2_0_enable_power_gating(struct amdgpu_device* adev)
257{
258	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
259		uint32_t data;
260		int r = 0;
261
262		data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS));
263		data &= ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK;
264		data |=  0x1; //UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_TILES_OFF;
265		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
266
267		data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
268		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
269
270		SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
271			(2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
272			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK, r);
273
274		if (r) {
275			DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
276			return r;
277		}
278	}
279
280	return 0;
281}
282
283static void jpeg_v2_0_disable_clock_gating(struct amdgpu_device* adev)
284{
285	uint32_t data;
286
287	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
288	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
289		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
290	else
291		data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
292
293	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
294	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
295	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
296
297	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
298	data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
299		| JPEG_CGC_GATE__JPEG2_DEC_MASK
300		| JPEG_CGC_GATE__JPEG_ENC_MASK
301		| JPEG_CGC_GATE__JMCIF_MASK
302		| JPEG_CGC_GATE__JRBBM_MASK);
303	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
304}
305
306static void jpeg_v2_0_enable_clock_gating(struct amdgpu_device* adev)
307{
308	uint32_t data;
309
310	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
311	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
312		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
313	else
314		data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
315
316	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
317	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
318	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
319
320	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
321	data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
322		|JPEG_CGC_GATE__JPEG2_DEC_MASK
323		|JPEG_CGC_GATE__JPEG_ENC_MASK
324		|JPEG_CGC_GATE__JMCIF_MASK
325		|JPEG_CGC_GATE__JRBBM_MASK);
326	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
327}
328
329/**
330 * jpeg_v2_0_start - start JPEG block
331 *
332 * @adev: amdgpu_device pointer
333 *
334 * Setup and start the JPEG block
335 */
336static int jpeg_v2_0_start(struct amdgpu_device *adev)
337{
338	struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
339	int r;
340
341	if (adev->pm.dpm_enabled)
342		amdgpu_dpm_enable_jpeg(adev, true);
343
344	/* disable power gating */
345	r = jpeg_v2_0_disable_power_gating(adev);
346	if (r)
347		return r;
348
349	/* JPEG disable CGC */
350	jpeg_v2_0_disable_clock_gating(adev);
351
352	WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, 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_v2_0_stop - stop JPEG block
380 *
381 * @adev: amdgpu_device pointer
382 *
383 * stop the JPEG block
384 */
385static int jpeg_v2_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	/* enable JPEG CGC */
395	jpeg_v2_0_enable_clock_gating(adev);
396
397	/* enable power gating */
398	r = jpeg_v2_0_enable_power_gating(adev);
399	if (r)
400		return r;
401
402	if (adev->pm.dpm_enabled)
403		amdgpu_dpm_enable_jpeg(adev, false);
404
405	return 0;
406}
407
408/**
409 * jpeg_v2_0_dec_ring_get_rptr - get read pointer
410 *
411 * @ring: amdgpu_ring pointer
412 *
413 * Returns the current hardware read pointer
414 */
415static uint64_t jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
416{
417	struct amdgpu_device *adev = ring->adev;
418
419	return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
420}
421
422/**
423 * jpeg_v2_0_dec_ring_get_wptr - get write pointer
424 *
425 * @ring: amdgpu_ring pointer
426 *
427 * Returns the current hardware write pointer
428 */
429static uint64_t jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
430{
431	struct amdgpu_device *adev = ring->adev;
432
433	if (ring->use_doorbell)
434		return adev->wb.wb[ring->wptr_offs];
435	else
436		return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
437}
438
439/**
440 * jpeg_v2_0_dec_ring_set_wptr - set write pointer
441 *
442 * @ring: amdgpu_ring pointer
443 *
444 * Commits the write pointer to the hardware
445 */
446static void jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
447{
448	struct amdgpu_device *adev = ring->adev;
449
450	if (ring->use_doorbell) {
451		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
452		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
453	} else {
454		WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
455	}
456}
457
458/**
459 * jpeg_v2_0_dec_ring_insert_start - insert a start command
460 *
461 * @ring: amdgpu_ring pointer
462 *
463 * Write a start command to the ring.
464 */
465void jpeg_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
466{
467	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
468		0, 0, PACKETJ_TYPE0));
469	amdgpu_ring_write(ring, 0x68e04);
470
471	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
472		0, 0, PACKETJ_TYPE0));
473	amdgpu_ring_write(ring, 0x80010000);
474}
475
476/**
477 * jpeg_v2_0_dec_ring_insert_end - insert a end command
478 *
479 * @ring: amdgpu_ring pointer
480 *
481 * Write a end command to the ring.
482 */
483void jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
484{
485	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
486		0, 0, PACKETJ_TYPE0));
487	amdgpu_ring_write(ring, 0x68e04);
488
489	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
490		0, 0, PACKETJ_TYPE0));
491	amdgpu_ring_write(ring, 0x00010000);
492}
493
494/**
495 * jpeg_v2_0_dec_ring_emit_fence - emit an fence & trap command
496 *
497 * @ring: amdgpu_ring pointer
498 * @fence: fence to emit
499 *
500 * Write a fence and a trap command to the ring.
501 */
502void jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
503				unsigned flags)
504{
505	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
506
507	amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
508		0, 0, PACKETJ_TYPE0));
509	amdgpu_ring_write(ring, seq);
510
511	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
512		0, 0, PACKETJ_TYPE0));
513	amdgpu_ring_write(ring, seq);
514
515	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET,
516		0, 0, PACKETJ_TYPE0));
517	amdgpu_ring_write(ring, lower_32_bits(addr));
518
519	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET,
520		0, 0, PACKETJ_TYPE0));
521	amdgpu_ring_write(ring, upper_32_bits(addr));
522
523	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
524		0, 0, PACKETJ_TYPE0));
525	amdgpu_ring_write(ring, 0x8);
526
527	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
528		0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
529	amdgpu_ring_write(ring, 0);
530
531	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
532		0, 0, PACKETJ_TYPE0));
533	amdgpu_ring_write(ring, 0x3fbc);
534
535	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
536		0, 0, PACKETJ_TYPE0));
537	amdgpu_ring_write(ring, 0x1);
538
539	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
540	amdgpu_ring_write(ring, 0);
541}
542
543/**
544 * jpeg_v2_0_dec_ring_emit_ib - execute indirect buffer
545 *
546 * @ring: amdgpu_ring pointer
547 * @ib: indirect buffer to execute
548 *
549 * Write ring commands to execute the indirect buffer.
550 */
551void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
552				struct amdgpu_job *job,
553				struct amdgpu_ib *ib,
554				uint32_t flags)
555{
556	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
557
558	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
559		0, 0, PACKETJ_TYPE0));
560	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
561
562	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET,
563		0, 0, PACKETJ_TYPE0));
564	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
565
566	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET,
567		0, 0, PACKETJ_TYPE0));
568	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
569
570	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET,
571		0, 0, PACKETJ_TYPE0));
572	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
573
574	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
575		0, 0, PACKETJ_TYPE0));
576	amdgpu_ring_write(ring, ib->length_dw);
577
578	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET,
579		0, 0, PACKETJ_TYPE0));
580	amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
581
582	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET,
583		0, 0, PACKETJ_TYPE0));
584	amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
585
586	amdgpu_ring_write(ring,	PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
587	amdgpu_ring_write(ring, 0);
588
589	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
590		0, 0, PACKETJ_TYPE0));
591	amdgpu_ring_write(ring, 0x01400200);
592
593	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
594		0, 0, PACKETJ_TYPE0));
595	amdgpu_ring_write(ring, 0x2);
596
597	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_STATUS_INTERNAL_OFFSET,
598		0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
599	amdgpu_ring_write(ring, 0x2);
600}
601
602void jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
603				uint32_t val, uint32_t mask)
604{
605	uint32_t reg_offset = (reg << 2);
606
607	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
608		0, 0, PACKETJ_TYPE0));
609	amdgpu_ring_write(ring, 0x01400200);
610
611	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
612		0, 0, PACKETJ_TYPE0));
613	amdgpu_ring_write(ring, val);
614
615	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
616		0, 0, PACKETJ_TYPE0));
617	if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
618		amdgpu_ring_write(ring, 0);
619		amdgpu_ring_write(ring,
620			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
621	} else {
622		amdgpu_ring_write(ring, reg_offset);
623		amdgpu_ring_write(ring,	PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
624			0, 0, PACKETJ_TYPE3));
625	}
626	amdgpu_ring_write(ring, mask);
627}
628
629void jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
630				unsigned vmid, uint64_t pd_addr)
631{
632	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
633	uint32_t data0, data1, mask;
634
635	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
636
637	/* wait for register write */
638	data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2;
639	data1 = lower_32_bits(pd_addr);
640	mask = 0xffffffff;
641	jpeg_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
642}
643
644void jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
645{
646	uint32_t reg_offset = (reg << 2);
647
648	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
649		0, 0, PACKETJ_TYPE0));
650	if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
651		amdgpu_ring_write(ring, 0);
652		amdgpu_ring_write(ring,
653			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
654	} else {
655		amdgpu_ring_write(ring, reg_offset);
656		amdgpu_ring_write(ring,	PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
657			0, 0, PACKETJ_TYPE0));
658	}
659	amdgpu_ring_write(ring, val);
660}
661
662void jpeg_v2_0_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count)
663{
664	int i;
665
666	WARN_ON(ring->wptr % 2 || count % 2);
667
668	for (i = 0; i < count / 2; i++) {
669		amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
670		amdgpu_ring_write(ring, 0);
671	}
672}
673
674static bool jpeg_v2_0_is_idle(void *handle)
675{
676	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
677
678	return ((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
679		UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
680		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
681}
682
683static int jpeg_v2_0_wait_for_idle(void *handle)
684{
685	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
686	int ret = 0;
687
688	SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
689		UVD_JRBC_STATUS__RB_JOB_DONE_MASK, ret);
690
691	return ret;
692}
693
694static int jpeg_v2_0_set_clockgating_state(void *handle,
695					  enum amd_clockgating_state state)
696{
697	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
698	bool enable = (state == AMD_CG_STATE_GATE);
699
700	if (enable) {
701		if (jpeg_v2_0_is_idle(handle))
702			return -EBUSY;
703		jpeg_v2_0_enable_clock_gating(adev);
704	} else {
705		jpeg_v2_0_disable_clock_gating(adev);
706	}
707
708	return 0;
709}
710
711static int jpeg_v2_0_set_powergating_state(void *handle,
712					enum amd_powergating_state state)
713{
714	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
715	int ret;
716
717	if (state == adev->jpeg.cur_state)
718		return 0;
719
720	if (state == AMD_PG_STATE_GATE)
721		ret = jpeg_v2_0_stop(adev);
722	else
723		ret = jpeg_v2_0_start(adev);
724
725	if (!ret)
726		adev->jpeg.cur_state = state;
727
728	return ret;
729}
730
731static int jpeg_v2_0_set_interrupt_state(struct amdgpu_device *adev,
732					struct amdgpu_irq_src *source,
733					unsigned type,
734					enum amdgpu_interrupt_state state)
735{
736	return 0;
737}
738
739static int jpeg_v2_0_process_interrupt(struct amdgpu_device *adev,
740				      struct amdgpu_irq_src *source,
741				      struct amdgpu_iv_entry *entry)
742{
743	DRM_DEBUG("IH: JPEG TRAP\n");
744
745	switch (entry->src_id) {
746	case VCN_2_0__SRCID__JPEG_DECODE:
747		amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
748		break;
749	default:
750		DRM_ERROR("Unhandled interrupt: %d %d\n",
751			  entry->src_id, entry->src_data[0]);
752		break;
753	}
754
755	return 0;
756}
757
758static const struct amd_ip_funcs jpeg_v2_0_ip_funcs = {
759	.name = "jpeg_v2_0",
760	.early_init = jpeg_v2_0_early_init,
761	.late_init = NULL,
762	.sw_init = jpeg_v2_0_sw_init,
763	.sw_fini = jpeg_v2_0_sw_fini,
764	.hw_init = jpeg_v2_0_hw_init,
765	.hw_fini = jpeg_v2_0_hw_fini,
766	.suspend = jpeg_v2_0_suspend,
767	.resume = jpeg_v2_0_resume,
768	.is_idle = jpeg_v2_0_is_idle,
769	.wait_for_idle = jpeg_v2_0_wait_for_idle,
770	.check_soft_reset = NULL,
771	.pre_soft_reset = NULL,
772	.soft_reset = NULL,
773	.post_soft_reset = NULL,
774	.set_clockgating_state = jpeg_v2_0_set_clockgating_state,
775	.set_powergating_state = jpeg_v2_0_set_powergating_state,
776};
777
778static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
779	.type = AMDGPU_RING_TYPE_VCN_JPEG,
780	.align_mask = 0xf,
781	.vmhub = AMDGPU_MMHUB_0,
782	.get_rptr = jpeg_v2_0_dec_ring_get_rptr,
783	.get_wptr = jpeg_v2_0_dec_ring_get_wptr,
784	.set_wptr = jpeg_v2_0_dec_ring_set_wptr,
785	.emit_frame_size =
786		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
787		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
788		8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
789		18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
790		8 + 16,
791	.emit_ib_size = 22, /* jpeg_v2_0_dec_ring_emit_ib */
792	.emit_ib = jpeg_v2_0_dec_ring_emit_ib,
793	.emit_fence = jpeg_v2_0_dec_ring_emit_fence,
794	.emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
795	.test_ring = amdgpu_jpeg_dec_ring_test_ring,
796	.test_ib = amdgpu_jpeg_dec_ring_test_ib,
797	.insert_nop = jpeg_v2_0_dec_ring_nop,
798	.insert_start = jpeg_v2_0_dec_ring_insert_start,
799	.insert_end = jpeg_v2_0_dec_ring_insert_end,
800	.pad_ib = amdgpu_ring_generic_pad_ib,
801	.begin_use = amdgpu_jpeg_ring_begin_use,
802	.end_use = amdgpu_jpeg_ring_end_use,
803	.emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
804	.emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
805	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
806};
807
808static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
809{
810	adev->jpeg.inst->ring_dec.funcs = &jpeg_v2_0_dec_ring_vm_funcs;
811	DRM_INFO("JPEG decode is enabled in VM mode\n");
812}
813
814static const struct amdgpu_irq_src_funcs jpeg_v2_0_irq_funcs = {
815	.set = jpeg_v2_0_set_interrupt_state,
816	.process = jpeg_v2_0_process_interrupt,
817};
818
819static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev)
820{
821	adev->jpeg.inst->irq.num_types = 1;
822	adev->jpeg.inst->irq.funcs = &jpeg_v2_0_irq_funcs;
823}
824
825const struct amdgpu_ip_block_version jpeg_v2_0_ip_block =
826{
827		.type = AMD_IP_BLOCK_TYPE_JPEG,
828		.major = 2,
829		.minor = 0,
830		.rev = 0,
831		.funcs = &jpeg_v2_0_ip_funcs,
832};
833