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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 #define mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET 			0x1bfff
36 #define mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET				0x4029
37 #define mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET				0x402a
38 #define mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET				0x402b
39 #define mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET		0x40ea
40 #define mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x40eb
41 #define mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET				0x40cf
42 #define mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET				0x40d1
43 #define mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET 		0x40e8
44 #define mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x40e9
45 #define mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET				0x4082
46 #define mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET		0x40ec
47 #define mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x40ed
48 #define mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET			0x4085
49 #define mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET				0x4084
50 #define mmUVD_JRBC_STATUS_INTERNAL_OFFSET				0x4089
51 #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET				0x401f
52 
53 #define JRBC_DEC_EXTERNAL_REG_WRITE_ADDR				0x18000
54 
55 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
56 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev);
57 static int jpeg_v2_0_set_powergating_state(void *handle,
58 				enum amd_powergating_state state);
59 
60 /**
61  * jpeg_v2_0_early_init - set function pointers
62  *
63  * @handle: amdgpu_device pointer
64  *
65  * Set ring and irq function pointers
66  */
jpeg_v2_0_early_init(void * handle)67 static int jpeg_v2_0_early_init(void *handle)
68 {
69 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
70 
71 	adev->jpeg.num_jpeg_inst = 1;
72 
73 	jpeg_v2_0_set_dec_ring_funcs(adev);
74 	jpeg_v2_0_set_irq_funcs(adev);
75 
76 	return 0;
77 }
78 
79 /**
80  * jpeg_v2_0_sw_init - sw init for JPEG block
81  *
82  * @handle: amdgpu_device pointer
83  *
84  * Load firmware and sw initialization
85  */
jpeg_v2_0_sw_init(void * handle)86 static int jpeg_v2_0_sw_init(void *handle)
87 {
88 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
89 	struct amdgpu_ring *ring;
90 	int r;
91 
92 	/* JPEG TRAP */
93 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
94 		VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
95 	if (r)
96 		return r;
97 
98 	r = amdgpu_jpeg_sw_init(adev);
99 	if (r)
100 		return r;
101 
102 	r = amdgpu_jpeg_resume(adev);
103 	if (r)
104 		return r;
105 
106 	ring = &adev->jpeg.inst->ring_dec;
107 	ring->use_doorbell = true;
108 	ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
109 	sprintf(ring->name, "jpeg_dec");
110 	r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
111 			     0, AMDGPU_RING_PRIO_DEFAULT);
112 	if (r)
113 		return r;
114 
115 	adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
116 	adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
117 
118 	return 0;
119 }
120 
121 /**
122  * jpeg_v2_0_sw_fini - sw fini for JPEG block
123  *
124  * @handle: amdgpu_device pointer
125  *
126  * JPEG suspend and free up sw allocation
127  */
jpeg_v2_0_sw_fini(void * handle)128 static int jpeg_v2_0_sw_fini(void *handle)
129 {
130 	int r;
131 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
132 
133 	r = amdgpu_jpeg_suspend(adev);
134 	if (r)
135 		return r;
136 
137 	r = amdgpu_jpeg_sw_fini(adev);
138 
139 	return r;
140 }
141 
142 /**
143  * jpeg_v2_0_hw_init - start and test JPEG block
144  *
145  * @handle: amdgpu_device pointer
146  *
147  */
jpeg_v2_0_hw_init(void * handle)148 static int jpeg_v2_0_hw_init(void *handle)
149 {
150 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
151 	struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
152 	int r;
153 
154 	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
155 		(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
156 
157 	r = amdgpu_ring_test_helper(ring);
158 	if (!r)
159 		DRM_INFO("JPEG decode initialized successfully.\n");
160 
161 	return r;
162 }
163 
164 /**
165  * jpeg_v2_0_hw_fini - stop the hardware block
166  *
167  * @handle: amdgpu_device pointer
168  *
169  * Stop the JPEG block, mark ring as not ready any more
170  */
jpeg_v2_0_hw_fini(void * handle)171 static int jpeg_v2_0_hw_fini(void *handle)
172 {
173 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
174 
175 	cancel_delayed_work_sync(&adev->vcn.idle_work);
176 
177 	if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
178 	      RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
179 		jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
180 
181 	return 0;
182 }
183 
184 /**
185  * jpeg_v2_0_suspend - suspend JPEG block
186  *
187  * @handle: amdgpu_device pointer
188  *
189  * HW fini and suspend JPEG block
190  */
jpeg_v2_0_suspend(void * handle)191 static int jpeg_v2_0_suspend(void *handle)
192 {
193 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
194 	int r;
195 
196 	r = jpeg_v2_0_hw_fini(adev);
197 	if (r)
198 		return r;
199 
200 	r = amdgpu_jpeg_suspend(adev);
201 
202 	return r;
203 }
204 
205 /**
206  * jpeg_v2_0_resume - resume JPEG block
207  *
208  * @handle: amdgpu_device pointer
209  *
210  * Resume firmware and hw init JPEG block
211  */
jpeg_v2_0_resume(void * handle)212 static int jpeg_v2_0_resume(void *handle)
213 {
214 	int r;
215 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
216 
217 	r = amdgpu_jpeg_resume(adev);
218 	if (r)
219 		return r;
220 
221 	r = jpeg_v2_0_hw_init(adev);
222 
223 	return r;
224 }
225 
jpeg_v2_0_disable_power_gating(struct amdgpu_device * adev)226 static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
227 {
228 	uint32_t data;
229 	int r = 0;
230 
231 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
232 		data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
233 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
234 
235 		r = SOC15_WAIT_ON_RREG(JPEG, 0,
236 			mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
237 			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
238 
239 		if (r) {
240 			DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
241 			return r;
242 		}
243 	}
244 
245 	/* Removing the anti hang mechanism to indicate the UVDJ tile is ON */
246 	data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS)) & ~0x1;
247 	WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
248 
249 	return 0;
250 }
251 
jpeg_v2_0_enable_power_gating(struct amdgpu_device * adev)252 static int jpeg_v2_0_enable_power_gating(struct amdgpu_device* adev)
253 {
254 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
255 		uint32_t data;
256 		int r = 0;
257 
258 		data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS));
259 		data &= ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK;
260 		data |=  0x1; //UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_TILES_OFF;
261 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
262 
263 		data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
264 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
265 
266 		r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
267 			(2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
268 			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
269 
270 		if (r) {
271 			DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
272 			return r;
273 		}
274 	}
275 
276 	return 0;
277 }
278 
jpeg_v2_0_disable_clock_gating(struct amdgpu_device * adev)279 static void jpeg_v2_0_disable_clock_gating(struct amdgpu_device* adev)
280 {
281 	uint32_t data;
282 
283 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
284 	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
285 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
286 	else
287 		data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
288 
289 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
290 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
291 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
292 
293 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
294 	data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
295 		| JPEG_CGC_GATE__JPEG2_DEC_MASK
296 		| JPEG_CGC_GATE__JPEG_ENC_MASK
297 		| JPEG_CGC_GATE__JMCIF_MASK
298 		| JPEG_CGC_GATE__JRBBM_MASK);
299 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
300 }
301 
jpeg_v2_0_enable_clock_gating(struct amdgpu_device * adev)302 static void jpeg_v2_0_enable_clock_gating(struct amdgpu_device* adev)
303 {
304 	uint32_t data;
305 
306 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
307 	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
308 		data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
309 	else
310 		data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
311 
312 	data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
313 	data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
314 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
315 
316 	data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
317 	data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
318 		|JPEG_CGC_GATE__JPEG2_DEC_MASK
319 		|JPEG_CGC_GATE__JPEG_ENC_MASK
320 		|JPEG_CGC_GATE__JMCIF_MASK
321 		|JPEG_CGC_GATE__JRBBM_MASK);
322 	WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
323 }
324 
325 /**
326  * jpeg_v2_0_start - start JPEG block
327  *
328  * @adev: amdgpu_device pointer
329  *
330  * Setup and start the JPEG block
331  */
jpeg_v2_0_start(struct amdgpu_device * adev)332 static int jpeg_v2_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, true);
339 
340 	/* disable power gating */
341 	r = jpeg_v2_0_disable_power_gating(adev);
342 	if (r)
343 		return r;
344 
345 	/* JPEG disable CGC */
346 	jpeg_v2_0_disable_clock_gating(adev);
347 
348 	WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
349 
350 	/* enable JMI channel */
351 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
352 		~UVD_JMI_CNTL__SOFT_RESET_MASK);
353 
354 	/* enable System Interrupt for JRBC */
355 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
356 		JPEG_SYS_INT_EN__DJRBC_MASK,
357 		~JPEG_SYS_INT_EN__DJRBC_MASK);
358 
359 	WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
360 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
361 	WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
362 		lower_32_bits(ring->gpu_addr));
363 	WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
364 		upper_32_bits(ring->gpu_addr));
365 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
366 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
367 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
368 	WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
369 	ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
370 
371 	return 0;
372 }
373 
374 /**
375  * jpeg_v2_0_stop - stop JPEG block
376  *
377  * @adev: amdgpu_device pointer
378  *
379  * stop the JPEG block
380  */
jpeg_v2_0_stop(struct amdgpu_device * adev)381 static int jpeg_v2_0_stop(struct amdgpu_device *adev)
382 {
383 	int r;
384 
385 	/* reset JMI */
386 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
387 		UVD_JMI_CNTL__SOFT_RESET_MASK,
388 		~UVD_JMI_CNTL__SOFT_RESET_MASK);
389 
390 	/* enable JPEG CGC */
391 	jpeg_v2_0_enable_clock_gating(adev);
392 
393 	/* enable power gating */
394 	r = jpeg_v2_0_enable_power_gating(adev);
395 	if (r)
396 		return r;
397 
398 	if (adev->pm.dpm_enabled)
399 		amdgpu_dpm_enable_jpeg(adev, false);
400 
401 	return 0;
402 }
403 
404 /**
405  * jpeg_v2_0_dec_ring_get_rptr - get read pointer
406  *
407  * @ring: amdgpu_ring pointer
408  *
409  * Returns the current hardware read pointer
410  */
jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring * ring)411 static uint64_t jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
412 {
413 	struct amdgpu_device *adev = ring->adev;
414 
415 	return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
416 }
417 
418 /**
419  * jpeg_v2_0_dec_ring_get_wptr - get write pointer
420  *
421  * @ring: amdgpu_ring pointer
422  *
423  * Returns the current hardware write pointer
424  */
jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring * ring)425 static uint64_t jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
426 {
427 	struct amdgpu_device *adev = ring->adev;
428 
429 	if (ring->use_doorbell)
430 		return adev->wb.wb[ring->wptr_offs];
431 	else
432 		return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
433 }
434 
435 /**
436  * jpeg_v2_0_dec_ring_set_wptr - set write pointer
437  *
438  * @ring: amdgpu_ring pointer
439  *
440  * Commits the write pointer to the hardware
441  */
jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring * ring)442 static void jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
443 {
444 	struct amdgpu_device *adev = ring->adev;
445 
446 	if (ring->use_doorbell) {
447 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
448 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
449 	} else {
450 		WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
451 	}
452 }
453 
454 /**
455  * jpeg_v2_0_dec_ring_insert_start - insert a start command
456  *
457  * @ring: amdgpu_ring pointer
458  *
459  * Write a start command to the ring.
460  */
jpeg_v2_0_dec_ring_insert_start(struct amdgpu_ring * ring)461 void jpeg_v2_0_dec_ring_insert_start(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, 0x80010000);
470 }
471 
472 /**
473  * jpeg_v2_0_dec_ring_insert_end - insert a end command
474  *
475  * @ring: amdgpu_ring pointer
476  *
477  * Write a end command to the ring.
478  */
jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring * ring)479 void jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
480 {
481 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
482 		0, 0, PACKETJ_TYPE0));
483 	amdgpu_ring_write(ring, 0x68e04);
484 
485 	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
486 		0, 0, PACKETJ_TYPE0));
487 	amdgpu_ring_write(ring, 0x00010000);
488 }
489 
490 /**
491  * jpeg_v2_0_dec_ring_emit_fence - emit an fence & trap command
492  *
493  * @ring: amdgpu_ring pointer
494  * @fence: fence to emit
495  *
496  * Write a fence and a trap command to the ring.
497  */
jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring * ring,u64 addr,u64 seq,unsigned flags)498 void jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
499 				unsigned flags)
500 {
501 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
502 
503 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
504 		0, 0, PACKETJ_TYPE0));
505 	amdgpu_ring_write(ring, seq);
506 
507 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
508 		0, 0, PACKETJ_TYPE0));
509 	amdgpu_ring_write(ring, seq);
510 
511 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET,
512 		0, 0, PACKETJ_TYPE0));
513 	amdgpu_ring_write(ring, lower_32_bits(addr));
514 
515 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET,
516 		0, 0, PACKETJ_TYPE0));
517 	amdgpu_ring_write(ring, upper_32_bits(addr));
518 
519 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
520 		0, 0, PACKETJ_TYPE0));
521 	amdgpu_ring_write(ring, 0x8);
522 
523 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
524 		0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
525 	amdgpu_ring_write(ring, 0);
526 
527 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
528 		0, 0, PACKETJ_TYPE0));
529 	amdgpu_ring_write(ring, 0x3fbc);
530 
531 	amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
532 		0, 0, PACKETJ_TYPE0));
533 	amdgpu_ring_write(ring, 0x1);
534 
535 	amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
536 	amdgpu_ring_write(ring, 0);
537 }
538 
539 /**
540  * jpeg_v2_0_dec_ring_emit_ib - execute indirect buffer
541  *
542  * @ring: amdgpu_ring pointer
543  * @ib: indirect buffer to execute
544  *
545  * Write ring commands to execute the indirect buffer.
546  */
jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring * ring,struct amdgpu_job * job,struct amdgpu_ib * ib,uint32_t flags)547 void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
548 				struct amdgpu_job *job,
549 				struct amdgpu_ib *ib,
550 				uint32_t flags)
551 {
552 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
553 
554 	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
555 		0, 0, PACKETJ_TYPE0));
556 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));
557 
558 	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_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_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET,
563 		0, 0, PACKETJ_TYPE0));
564 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
565 
566 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET,
567 		0, 0, PACKETJ_TYPE0));
568 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
569 
570 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
571 		0, 0, PACKETJ_TYPE0));
572 	amdgpu_ring_write(ring, ib->length_dw);
573 
574 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET,
575 		0, 0, PACKETJ_TYPE0));
576 	amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
577 
578 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET,
579 		0, 0, PACKETJ_TYPE0));
580 	amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
581 
582 	amdgpu_ring_write(ring,	PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
583 	amdgpu_ring_write(ring, 0);
584 
585 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
586 		0, 0, PACKETJ_TYPE0));
587 	amdgpu_ring_write(ring, 0x01400200);
588 
589 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
590 		0, 0, PACKETJ_TYPE0));
591 	amdgpu_ring_write(ring, 0x2);
592 
593 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_STATUS_INTERNAL_OFFSET,
594 		0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
595 	amdgpu_ring_write(ring, 0x2);
596 }
597 
jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring * ring,uint32_t reg,uint32_t val,uint32_t mask)598 void jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
599 				uint32_t val, uint32_t mask)
600 {
601 	uint32_t reg_offset = (reg << 2);
602 
603 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
604 		0, 0, PACKETJ_TYPE0));
605 	amdgpu_ring_write(ring, 0x01400200);
606 
607 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
608 		0, 0, PACKETJ_TYPE0));
609 	amdgpu_ring_write(ring, val);
610 
611 	amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
612 		0, 0, PACKETJ_TYPE0));
613 	if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
614 		amdgpu_ring_write(ring, 0);
615 		amdgpu_ring_write(ring,
616 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
617 	} else {
618 		amdgpu_ring_write(ring, reg_offset);
619 		amdgpu_ring_write(ring,	PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
620 			0, 0, PACKETJ_TYPE3));
621 	}
622 	amdgpu_ring_write(ring, mask);
623 }
624 
jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring * ring,unsigned vmid,uint64_t pd_addr)625 void jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
626 				unsigned vmid, uint64_t pd_addr)
627 {
628 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
629 	uint32_t data0, data1, mask;
630 
631 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
632 
633 	/* wait for register write */
634 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
635 	data1 = lower_32_bits(pd_addr);
636 	mask = 0xffffffff;
637 	jpeg_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
638 }
639 
jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring * ring,uint32_t reg,uint32_t val)640 void jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
641 {
642 	uint32_t reg_offset = (reg << 2);
643 
644 	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
645 		0, 0, PACKETJ_TYPE0));
646 	if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
647 		amdgpu_ring_write(ring, 0);
648 		amdgpu_ring_write(ring,
649 			PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
650 	} else {
651 		amdgpu_ring_write(ring, reg_offset);
652 		amdgpu_ring_write(ring,	PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
653 			0, 0, PACKETJ_TYPE0));
654 	}
655 	amdgpu_ring_write(ring, val);
656 }
657 
jpeg_v2_0_dec_ring_nop(struct amdgpu_ring * ring,uint32_t count)658 void jpeg_v2_0_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count)
659 {
660 	int i;
661 
662 	WARN_ON(ring->wptr % 2 || count % 2);
663 
664 	for (i = 0; i < count / 2; i++) {
665 		amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
666 		amdgpu_ring_write(ring, 0);
667 	}
668 }
669 
jpeg_v2_0_is_idle(void * handle)670 static bool jpeg_v2_0_is_idle(void *handle)
671 {
672 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
673 
674 	return ((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
675 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
676 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
677 }
678 
jpeg_v2_0_wait_for_idle(void * handle)679 static int jpeg_v2_0_wait_for_idle(void *handle)
680 {
681 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
682 	int ret;
683 
684 	ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
685 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
686 
687 	return ret;
688 }
689 
jpeg_v2_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)690 static int jpeg_v2_0_set_clockgating_state(void *handle,
691 					  enum amd_clockgating_state state)
692 {
693 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
694 	bool enable = (state == AMD_CG_STATE_GATE);
695 
696 	if (enable) {
697 		if (!jpeg_v2_0_is_idle(handle))
698 			return -EBUSY;
699 		jpeg_v2_0_enable_clock_gating(adev);
700 	} else {
701 		jpeg_v2_0_disable_clock_gating(adev);
702 	}
703 
704 	return 0;
705 }
706 
jpeg_v2_0_set_powergating_state(void * handle,enum amd_powergating_state state)707 static int jpeg_v2_0_set_powergating_state(void *handle,
708 					enum amd_powergating_state state)
709 {
710 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
711 	int ret;
712 
713 	if (state == adev->jpeg.cur_state)
714 		return 0;
715 
716 	if (state == AMD_PG_STATE_GATE)
717 		ret = jpeg_v2_0_stop(adev);
718 	else
719 		ret = jpeg_v2_0_start(adev);
720 
721 	if (!ret)
722 		adev->jpeg.cur_state = state;
723 
724 	return ret;
725 }
726 
jpeg_v2_0_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)727 static int jpeg_v2_0_set_interrupt_state(struct amdgpu_device *adev,
728 					struct amdgpu_irq_src *source,
729 					unsigned type,
730 					enum amdgpu_interrupt_state state)
731 {
732 	return 0;
733 }
734 
jpeg_v2_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)735 static int jpeg_v2_0_process_interrupt(struct amdgpu_device *adev,
736 				      struct amdgpu_irq_src *source,
737 				      struct amdgpu_iv_entry *entry)
738 {
739 	DRM_DEBUG("IH: JPEG TRAP\n");
740 
741 	switch (entry->src_id) {
742 	case VCN_2_0__SRCID__JPEG_DECODE:
743 		amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
744 		break;
745 	default:
746 		DRM_ERROR("Unhandled interrupt: %d %d\n",
747 			  entry->src_id, entry->src_data[0]);
748 		break;
749 	}
750 
751 	return 0;
752 }
753 
754 static const struct amd_ip_funcs jpeg_v2_0_ip_funcs = {
755 	.name = "jpeg_v2_0",
756 	.early_init = jpeg_v2_0_early_init,
757 	.late_init = NULL,
758 	.sw_init = jpeg_v2_0_sw_init,
759 	.sw_fini = jpeg_v2_0_sw_fini,
760 	.hw_init = jpeg_v2_0_hw_init,
761 	.hw_fini = jpeg_v2_0_hw_fini,
762 	.suspend = jpeg_v2_0_suspend,
763 	.resume = jpeg_v2_0_resume,
764 	.is_idle = jpeg_v2_0_is_idle,
765 	.wait_for_idle = jpeg_v2_0_wait_for_idle,
766 	.check_soft_reset = NULL,
767 	.pre_soft_reset = NULL,
768 	.soft_reset = NULL,
769 	.post_soft_reset = NULL,
770 	.set_clockgating_state = jpeg_v2_0_set_clockgating_state,
771 	.set_powergating_state = jpeg_v2_0_set_powergating_state,
772 };
773 
774 static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
775 	.type = AMDGPU_RING_TYPE_VCN_JPEG,
776 	.align_mask = 0xf,
777 	.vmhub = AMDGPU_MMHUB_0,
778 	.get_rptr = jpeg_v2_0_dec_ring_get_rptr,
779 	.get_wptr = jpeg_v2_0_dec_ring_get_wptr,
780 	.set_wptr = jpeg_v2_0_dec_ring_set_wptr,
781 	.emit_frame_size =
782 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
783 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
784 		8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
785 		18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
786 		8 + 16,
787 	.emit_ib_size = 22, /* jpeg_v2_0_dec_ring_emit_ib */
788 	.emit_ib = jpeg_v2_0_dec_ring_emit_ib,
789 	.emit_fence = jpeg_v2_0_dec_ring_emit_fence,
790 	.emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
791 	.test_ring = amdgpu_jpeg_dec_ring_test_ring,
792 	.test_ib = amdgpu_jpeg_dec_ring_test_ib,
793 	.insert_nop = jpeg_v2_0_dec_ring_nop,
794 	.insert_start = jpeg_v2_0_dec_ring_insert_start,
795 	.insert_end = jpeg_v2_0_dec_ring_insert_end,
796 	.pad_ib = amdgpu_ring_generic_pad_ib,
797 	.begin_use = amdgpu_jpeg_ring_begin_use,
798 	.end_use = amdgpu_jpeg_ring_end_use,
799 	.emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
800 	.emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
801 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
802 };
803 
jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device * adev)804 static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
805 {
806 	adev->jpeg.inst->ring_dec.funcs = &jpeg_v2_0_dec_ring_vm_funcs;
807 	DRM_INFO("JPEG decode is enabled in VM mode\n");
808 }
809 
810 static const struct amdgpu_irq_src_funcs jpeg_v2_0_irq_funcs = {
811 	.set = jpeg_v2_0_set_interrupt_state,
812 	.process = jpeg_v2_0_process_interrupt,
813 };
814 
jpeg_v2_0_set_irq_funcs(struct amdgpu_device * adev)815 static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev)
816 {
817 	adev->jpeg.inst->irq.num_types = 1;
818 	adev->jpeg.inst->irq.funcs = &jpeg_v2_0_irq_funcs;
819 }
820 
821 const struct amdgpu_ip_block_version jpeg_v2_0_ip_block =
822 {
823 		.type = AMD_IP_BLOCK_TYPE_JPEG,
824 		.major = 2,
825 		.minor = 0,
826 		.rev = 0,
827 		.funcs = &jpeg_v2_0_ip_funcs,
828 };
829