1 /*
2  * Copyright 2023 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 #include "jpeg_v4_0_3.h"
31 
32 #include "vcn/vcn_5_0_0_offset.h"
33 #include "vcn/vcn_5_0_0_sh_mask.h"
34 #include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
35 #include "jpeg_v5_0_0.h"
36 
37 static void jpeg_v5_0_0_set_dec_ring_funcs(struct amdgpu_device *adev);
38 static void jpeg_v5_0_0_set_irq_funcs(struct amdgpu_device *adev);
39 static int jpeg_v5_0_0_set_powergating_state(void *handle,
40 				enum amd_powergating_state state);
41 
42 /**
43  * jpeg_v5_0_0_early_init - set function pointers
44  *
45  * @handle: amdgpu_device pointer
46  *
47  * Set ring and irq function pointers
48  */
jpeg_v5_0_0_early_init(void * handle)49 static int jpeg_v5_0_0_early_init(void *handle)
50 {
51 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
52 
53 	adev->jpeg.num_jpeg_inst = 1;
54 	adev->jpeg.num_jpeg_rings = 1;
55 
56 	jpeg_v5_0_0_set_dec_ring_funcs(adev);
57 	jpeg_v5_0_0_set_irq_funcs(adev);
58 
59 	return 0;
60 }
61 
62 /**
63  * jpeg_v5_0_0_sw_init - sw init for JPEG block
64  *
65  * @handle: amdgpu_device pointer
66  *
67  * Load firmware and sw initialization
68  */
jpeg_v5_0_0_sw_init(void * handle)69 static int jpeg_v5_0_0_sw_init(void *handle)
70 {
71 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
72 	struct amdgpu_ring *ring;
73 	int r;
74 
75 	/* JPEG TRAP */
76 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
77 		VCN_4_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
78 	if (r)
79 		return r;
80 
81 	r = amdgpu_jpeg_sw_init(adev);
82 	if (r)
83 		return r;
84 
85 	r = amdgpu_jpeg_resume(adev);
86 	if (r)
87 		return r;
88 
89 	ring = adev->jpeg.inst->ring_dec;
90 	ring->use_doorbell = true;
91 	ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
92 	ring->vm_hub = AMDGPU_MMHUB0(0);
93 
94 	sprintf(ring->name, "jpeg_dec");
95 	r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
96 			     AMDGPU_RING_PRIO_DEFAULT, NULL);
97 	if (r)
98 		return r;
99 
100 	adev->jpeg.internal.jpeg_pitch[0] = regUVD_JPEG_PITCH_INTERNAL_OFFSET;
101 	adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_PITCH);
102 
103 	return 0;
104 }
105 
106 /**
107  * jpeg_v5_0_0_sw_fini - sw fini for JPEG block
108  *
109  * @handle: amdgpu_device pointer
110  *
111  * JPEG suspend and free up sw allocation
112  */
jpeg_v5_0_0_sw_fini(void * handle)113 static int jpeg_v5_0_0_sw_fini(void *handle)
114 {
115 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
116 	int r;
117 
118 	r = amdgpu_jpeg_suspend(adev);
119 	if (r)
120 		return r;
121 
122 	r = amdgpu_jpeg_sw_fini(adev);
123 
124 	return r;
125 }
126 
127 /**
128  * jpeg_v5_0_0_hw_init - start and test JPEG block
129  *
130  * @handle: amdgpu_device pointer
131  *
132  */
jpeg_v5_0_0_hw_init(void * handle)133 static int jpeg_v5_0_0_hw_init(void *handle)
134 {
135 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
136 	struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
137 	int r;
138 
139 	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
140 			(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
141 
142 	/* Skip ring test because pause DPG is not implemented. */
143 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG)
144 		return 0;
145 
146 	r = amdgpu_ring_test_helper(ring);
147 	if (r)
148 		return r;
149 
150 	return 0;
151 }
152 
153 /**
154  * jpeg_v5_0_0_hw_fini - stop the hardware block
155  *
156  * @handle: amdgpu_device pointer
157  *
158  * Stop the JPEG block, mark ring as not ready any more
159  */
jpeg_v5_0_0_hw_fini(void * handle)160 static int jpeg_v5_0_0_hw_fini(void *handle)
161 {
162 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
163 
164 	cancel_delayed_work_sync(&adev->vcn.idle_work);
165 
166 	if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
167 	      RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS))
168 		jpeg_v5_0_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
169 
170 	return 0;
171 }
172 
173 /**
174  * jpeg_v5_0_0_suspend - suspend JPEG block
175  *
176  * @handle: amdgpu_device pointer
177  *
178  * HW fini and suspend JPEG block
179  */
jpeg_v5_0_0_suspend(void * handle)180 static int jpeg_v5_0_0_suspend(void *handle)
181 {
182 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
183 	int r;
184 
185 	r = jpeg_v5_0_0_hw_fini(adev);
186 	if (r)
187 		return r;
188 
189 	r = amdgpu_jpeg_suspend(adev);
190 
191 	return r;
192 }
193 
194 /**
195  * jpeg_v5_0_0_resume - resume JPEG block
196  *
197  * @handle: amdgpu_device pointer
198  *
199  * Resume firmware and hw init JPEG block
200  */
jpeg_v5_0_0_resume(void * handle)201 static int jpeg_v5_0_0_resume(void *handle)
202 {
203 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
204 	int r;
205 
206 	r = amdgpu_jpeg_resume(adev);
207 	if (r)
208 		return r;
209 
210 	r = jpeg_v5_0_0_hw_init(adev);
211 
212 	return r;
213 }
214 
jpeg_v5_0_0_disable_clock_gating(struct amdgpu_device * adev)215 static void jpeg_v5_0_0_disable_clock_gating(struct amdgpu_device *adev)
216 {
217 	uint32_t data = 0;
218 
219 	WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
220 
221 	data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL);
222 	data &= ~(JPEG_CGC_CTRL__JPEG0_DEC_MODE_MASK
223 		| JPEG_CGC_CTRL__JPEG_ENC_MODE_MASK);
224 	WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data);
225 }
226 
jpeg_v5_0_0_enable_clock_gating(struct amdgpu_device * adev)227 static void jpeg_v5_0_0_enable_clock_gating(struct amdgpu_device *adev)
228 {
229 	uint32_t data = 0;
230 
231 	data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL);
232 
233 	data |= 1 << JPEG_CGC_CTRL__JPEG0_DEC_MODE__SHIFT;
234 	WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data);
235 
236 	data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
237 	data |= (JPEG_CGC_GATE__JPEG0_DEC_MASK
238 		|JPEG_CGC_GATE__JPEG_ENC_MASK
239 		|JPEG_CGC_GATE__JMCIF_MASK
240 		|JPEG_CGC_GATE__JRBBM_MASK);
241 	WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
242 }
243 
jpeg_v5_0_0_disable_power_gating(struct amdgpu_device * adev)244 static int jpeg_v5_0_0_disable_power_gating(struct amdgpu_device *adev)
245 {
246 	uint32_t data = 0;
247 
248 	data = 1 << UVD_IPX_DLDO_CONFIG__ONO1_PWR_CONFIG__SHIFT;
249 	WREG32_SOC15(JPEG, 0, regUVD_IPX_DLDO_CONFIG, data);
250 	SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_IPX_DLDO_STATUS, 0,
251 			UVD_IPX_DLDO_STATUS__ONO1_PWR_STATUS_MASK);
252 
253 	/* disable anti hang mechanism */
254 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
255 		~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
256 
257 	return 0;
258 }
259 
jpeg_v5_0_0_enable_power_gating(struct amdgpu_device * adev)260 static int jpeg_v5_0_0_enable_power_gating(struct amdgpu_device *adev)
261 {
262 	/* enable anti hang mechanism */
263 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS),
264 		UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
265 		~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
266 
267 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
268 		WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_IPX_DLDO_CONFIG),
269 			2 << UVD_IPX_DLDO_CONFIG__ONO1_PWR_CONFIG__SHIFT);
270 		SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_IPX_DLDO_STATUS,
271 			1 << UVD_IPX_DLDO_STATUS__ONO1_PWR_STATUS__SHIFT,
272 			UVD_IPX_DLDO_STATUS__ONO1_PWR_STATUS_MASK);
273 	}
274 
275 	return 0;
276 }
277 
jpeg_engine_5_0_0_dpg_clock_gating_mode(struct amdgpu_device * adev,int inst_idx,uint8_t indirect)278 static void jpeg_engine_5_0_0_dpg_clock_gating_mode(struct amdgpu_device *adev,
279 	       int inst_idx, uint8_t indirect)
280 {
281 	uint32_t data = 0;
282 
283 	// JPEG disable CGC
284 	if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
285 		data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
286 	else
287 		data = 0 << 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 
292 	if (indirect) {
293 		ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_CGC_CTRL, data, indirect);
294 
295 		// Turn on All JPEG clocks
296 		data = 0;
297 		ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_CGC_GATE, data, indirect);
298 	} else {
299 		WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_CGC_CTRL, data, indirect);
300 
301 		// Turn on All JPEG clocks
302 		data = 0;
303 		WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_CGC_GATE, data, indirect);
304 	}
305 }
306 
307 /**
308  * jpeg_v5_0_0_start_dpg_mode - Jpeg start with dpg mode
309  *
310  * @adev: amdgpu_device pointer
311  * @inst_idx: instance number index
312  * @indirect: indirectly write sram
313  *
314  * Start JPEG block with dpg mode
315  */
jpeg_v5_0_0_start_dpg_mode(struct amdgpu_device * adev,int inst_idx,bool indirect)316 static int jpeg_v5_0_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
317 {
318 	struct amdgpu_ring *ring = adev->jpeg.inst[inst_idx].ring_dec;
319 	uint32_t reg_data = 0;
320 
321 	jpeg_v5_0_0_enable_power_gating(adev);
322 
323 	// enable dynamic power gating mode
324 	reg_data = RREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS);
325 	reg_data |= UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK;
326 	WREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS, reg_data);
327 
328 	if (indirect)
329 		adev->jpeg.inst[inst_idx].dpg_sram_curr_addr =
330 			(uint32_t *)adev->jpeg.inst[inst_idx].dpg_sram_cpu_addr;
331 
332 	jpeg_engine_5_0_0_dpg_clock_gating_mode(adev, inst_idx, indirect);
333 
334 	/* MJPEG global tiling registers */
335 	if (indirect)
336 		ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_DEC_GFX10_ADDR_CONFIG,
337 			adev->gfx.config.gb_addr_config, indirect);
338 	else
339 		WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_DEC_GFX10_ADDR_CONFIG,
340 			adev->gfx.config.gb_addr_config, 1);
341 
342 	/* enable System Interrupt for JRBC */
343 	if (indirect)
344 		ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_SYS_INT_EN,
345 			JPEG_SYS_INT_EN__DJRBC0_MASK, indirect);
346 	else
347 		WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_SYS_INT_EN,
348 			JPEG_SYS_INT_EN__DJRBC0_MASK, 1);
349 
350 	if (indirect) {
351 		/* add nop to workaround PSP size check */
352 		ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipUVD_NO_OP, 0, indirect);
353 
354 		amdgpu_jpeg_psp_update_sram(adev, inst_idx, 0);
355 	}
356 
357 	WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
358 		ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
359 		VCN_JPEG_DB_CTRL__EN_MASK);
360 
361 	WREG32_SOC15(JPEG, inst_idx, regUVD_LMI_JRBC_RB_VMID, 0);
362 	WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
363 	WREG32_SOC15(JPEG, inst_idx, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
364 		lower_32_bits(ring->gpu_addr));
365 	WREG32_SOC15(JPEG, inst_idx, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
366 		upper_32_bits(ring->gpu_addr));
367 	WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_RPTR, 0);
368 	WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_WPTR, 0);
369 	WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_CNTL, 0x00000002L);
370 	WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_SIZE, ring->ring_size / 4);
371 	ring->wptr = RREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_WPTR);
372 
373 	return 0;
374 }
375 
376 /**
377  * jpeg_v5_0_0_stop_dpg_mode - Jpeg stop with dpg mode
378  *
379  * @adev: amdgpu_device pointer
380  * @inst_idx: instance number index
381  *
382  * Stop JPEG block with dpg mode
383  */
jpeg_v5_0_0_stop_dpg_mode(struct amdgpu_device * adev,int inst_idx)384 static void jpeg_v5_0_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
385 {
386 	uint32_t reg_data = 0;
387 
388 	reg_data = RREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS);
389 	reg_data &= ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK;
390 	WREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS, reg_data);
391 }
392 
393 /**
394  * jpeg_v5_0_0_start - start JPEG block
395  *
396  * @adev: amdgpu_device pointer
397  *
398  * Setup and start the JPEG block
399  */
jpeg_v5_0_0_start(struct amdgpu_device * adev)400 static int jpeg_v5_0_0_start(struct amdgpu_device *adev)
401 {
402 	struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
403 	int r;
404 
405 	if (adev->pm.dpm_enabled)
406 		amdgpu_dpm_enable_jpeg(adev, true);
407 
408 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG) {
409 		r = jpeg_v5_0_0_start_dpg_mode(adev, 0, adev->jpeg.indirect_sram);
410 		return r;
411 	}
412 
413 	/* disable power gating */
414 	r = jpeg_v5_0_0_disable_power_gating(adev);
415 	if (r)
416 		return r;
417 
418 	/* JPEG disable CGC */
419 	jpeg_v5_0_0_disable_clock_gating(adev);
420 
421 	/* MJPEG global tiling registers */
422 	WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
423 		adev->gfx.config.gb_addr_config);
424 
425 	/* enable JMI channel */
426 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0,
427 		~UVD_JMI_CNTL__SOFT_RESET_MASK);
428 
429 	/* enable System Interrupt for JRBC */
430 	WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regJPEG_SYS_INT_EN),
431 		JPEG_SYS_INT_EN__DJRBC0_MASK,
432 		~JPEG_SYS_INT_EN__DJRBC0_MASK);
433 
434 	WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
435 		ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
436 		VCN_JPEG_DB_CTRL__EN_MASK);
437 
438 	WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_VMID, 0);
439 	WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
440 	WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
441 		lower_32_bits(ring->gpu_addr));
442 	WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
443 		upper_32_bits(ring->gpu_addr));
444 	WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR, 0);
445 	WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, 0);
446 	WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, 0x00000002L);
447 	WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_SIZE, ring->ring_size / 4);
448 	ring->wptr = RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR);
449 
450 	return 0;
451 }
452 
453 /**
454  * jpeg_v5_0_0_stop - stop JPEG block
455  *
456  * @adev: amdgpu_device pointer
457  *
458  * stop the JPEG block
459  */
jpeg_v5_0_0_stop(struct amdgpu_device * adev)460 static int jpeg_v5_0_0_stop(struct amdgpu_device *adev)
461 {
462 	int r;
463 
464 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG) {
465 		jpeg_v5_0_0_stop_dpg_mode(adev, 0);
466 	} else {
467 
468 		/* reset JMI */
469 		WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL),
470 			UVD_JMI_CNTL__SOFT_RESET_MASK,
471 			~UVD_JMI_CNTL__SOFT_RESET_MASK);
472 
473 		jpeg_v5_0_0_enable_clock_gating(adev);
474 
475 		/* enable power gating */
476 		r = jpeg_v5_0_0_enable_power_gating(adev);
477 		if (r)
478 			return r;
479 	}
480 
481 	if (adev->pm.dpm_enabled)
482 		amdgpu_dpm_enable_jpeg(adev, false);
483 
484 	return 0;
485 }
486 
487 /**
488  * jpeg_v5_0_0_dec_ring_get_rptr - get read pointer
489  *
490  * @ring: amdgpu_ring pointer
491  *
492  * Returns the current hardware read pointer
493  */
jpeg_v5_0_0_dec_ring_get_rptr(struct amdgpu_ring * ring)494 static uint64_t jpeg_v5_0_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
495 {
496 	struct amdgpu_device *adev = ring->adev;
497 
498 	return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR);
499 }
500 
501 /**
502  * jpeg_v5_0_0_dec_ring_get_wptr - get write pointer
503  *
504  * @ring: amdgpu_ring pointer
505  *
506  * Returns the current hardware write pointer
507  */
jpeg_v5_0_0_dec_ring_get_wptr(struct amdgpu_ring * ring)508 static uint64_t jpeg_v5_0_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
509 {
510 	struct amdgpu_device *adev = ring->adev;
511 
512 	if (ring->use_doorbell)
513 		return *ring->wptr_cpu_addr;
514 	else
515 		return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR);
516 }
517 
518 /**
519  * jpeg_v5_0_0_dec_ring_set_wptr - set write pointer
520  *
521  * @ring: amdgpu_ring pointer
522  *
523  * Commits the write pointer to the hardware
524  */
jpeg_v5_0_0_dec_ring_set_wptr(struct amdgpu_ring * ring)525 static void jpeg_v5_0_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
526 {
527 	struct amdgpu_device *adev = ring->adev;
528 
529 	if (ring->use_doorbell) {
530 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
531 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
532 	} else {
533 		WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
534 	}
535 }
536 
jpeg_v5_0_0_is_idle(void * handle)537 static bool jpeg_v5_0_0_is_idle(void *handle)
538 {
539 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
540 	int ret = 1;
541 
542 	ret &= (((RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS) &
543 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
544 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
545 
546 	return ret;
547 }
548 
jpeg_v5_0_0_wait_for_idle(void * handle)549 static int jpeg_v5_0_0_wait_for_idle(void *handle)
550 {
551 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
552 
553 	return SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC_STATUS,
554 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
555 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
556 }
557 
jpeg_v5_0_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)558 static int jpeg_v5_0_0_set_clockgating_state(void *handle,
559 					  enum amd_clockgating_state state)
560 {
561 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
562 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
563 
564 	if (enable) {
565 		if (!jpeg_v5_0_0_is_idle(handle))
566 			return -EBUSY;
567 		jpeg_v5_0_0_enable_clock_gating(adev);
568 	} else {
569 		jpeg_v5_0_0_disable_clock_gating(adev);
570 	}
571 
572 	return 0;
573 }
574 
jpeg_v5_0_0_set_powergating_state(void * handle,enum amd_powergating_state state)575 static int jpeg_v5_0_0_set_powergating_state(void *handle,
576 					  enum amd_powergating_state state)
577 {
578 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
579 	int ret;
580 
581 	if (state == adev->jpeg.cur_state)
582 		return 0;
583 
584 	if (state == AMD_PG_STATE_GATE)
585 		ret = jpeg_v5_0_0_stop(adev);
586 	else
587 		ret = jpeg_v5_0_0_start(adev);
588 
589 	if (!ret)
590 		adev->jpeg.cur_state = state;
591 
592 	return ret;
593 }
594 
jpeg_v5_0_0_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned int type,enum amdgpu_interrupt_state state)595 static int jpeg_v5_0_0_set_interrupt_state(struct amdgpu_device *adev,
596 					struct amdgpu_irq_src *source,
597 					unsigned int type,
598 					enum amdgpu_interrupt_state state)
599 {
600 	return 0;
601 }
602 
jpeg_v5_0_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)603 static int jpeg_v5_0_0_process_interrupt(struct amdgpu_device *adev,
604 				      struct amdgpu_irq_src *source,
605 				      struct amdgpu_iv_entry *entry)
606 {
607 	DRM_DEBUG("IH: JPEG TRAP\n");
608 
609 	switch (entry->src_id) {
610 	case VCN_4_0__SRCID__JPEG_DECODE:
611 		amdgpu_fence_process(adev->jpeg.inst->ring_dec);
612 		break;
613 	default:
614 		DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
615 			  entry->src_id, entry->src_data[0]);
616 		break;
617 	}
618 
619 	return 0;
620 }
621 
622 static const struct amd_ip_funcs jpeg_v5_0_0_ip_funcs = {
623 	.name = "jpeg_v5_0_0",
624 	.early_init = jpeg_v5_0_0_early_init,
625 	.late_init = NULL,
626 	.sw_init = jpeg_v5_0_0_sw_init,
627 	.sw_fini = jpeg_v5_0_0_sw_fini,
628 	.hw_init = jpeg_v5_0_0_hw_init,
629 	.hw_fini = jpeg_v5_0_0_hw_fini,
630 	.suspend = jpeg_v5_0_0_suspend,
631 	.resume = jpeg_v5_0_0_resume,
632 	.is_idle = jpeg_v5_0_0_is_idle,
633 	.wait_for_idle = jpeg_v5_0_0_wait_for_idle,
634 	.check_soft_reset = NULL,
635 	.pre_soft_reset = NULL,
636 	.soft_reset = NULL,
637 	.post_soft_reset = NULL,
638 	.set_clockgating_state = jpeg_v5_0_0_set_clockgating_state,
639 	.set_powergating_state = jpeg_v5_0_0_set_powergating_state,
640 	.dump_ip_state = NULL,
641 	.print_ip_state = NULL,
642 };
643 
644 static const struct amdgpu_ring_funcs jpeg_v5_0_0_dec_ring_vm_funcs = {
645 	.type = AMDGPU_RING_TYPE_VCN_JPEG,
646 	.align_mask = 0xf,
647 	.get_rptr = jpeg_v5_0_0_dec_ring_get_rptr,
648 	.get_wptr = jpeg_v5_0_0_dec_ring_get_wptr,
649 	.set_wptr = jpeg_v5_0_0_dec_ring_set_wptr,
650 	.parse_cs = jpeg_v2_dec_ring_parse_cs,
651 	.emit_frame_size =
652 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
653 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
654 		8 + /* jpeg_v5_0_0_dec_ring_emit_vm_flush */
655 		22 + 22 + /* jpeg_v5_0_0_dec_ring_emit_fence x2 vm fence */
656 		8 + 16,
657 	.emit_ib_size = 22, /* jpeg_v5_0_0_dec_ring_emit_ib */
658 	.emit_ib = jpeg_v4_0_3_dec_ring_emit_ib,
659 	.emit_fence = jpeg_v4_0_3_dec_ring_emit_fence,
660 	.emit_vm_flush = jpeg_v4_0_3_dec_ring_emit_vm_flush,
661 	.test_ring = amdgpu_jpeg_dec_ring_test_ring,
662 	.test_ib = amdgpu_jpeg_dec_ring_test_ib,
663 	.insert_nop = jpeg_v4_0_3_dec_ring_nop,
664 	.insert_start = jpeg_v4_0_3_dec_ring_insert_start,
665 	.insert_end = jpeg_v4_0_3_dec_ring_insert_end,
666 	.pad_ib = amdgpu_ring_generic_pad_ib,
667 	.begin_use = amdgpu_jpeg_ring_begin_use,
668 	.end_use = amdgpu_jpeg_ring_end_use,
669 	.emit_wreg = jpeg_v4_0_3_dec_ring_emit_wreg,
670 	.emit_reg_wait = jpeg_v4_0_3_dec_ring_emit_reg_wait,
671 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
672 };
673 
jpeg_v5_0_0_set_dec_ring_funcs(struct amdgpu_device * adev)674 static void jpeg_v5_0_0_set_dec_ring_funcs(struct amdgpu_device *adev)
675 {
676 	adev->jpeg.inst->ring_dec->funcs = &jpeg_v5_0_0_dec_ring_vm_funcs;
677 }
678 
679 static const struct amdgpu_irq_src_funcs jpeg_v5_0_0_irq_funcs = {
680 	.set = jpeg_v5_0_0_set_interrupt_state,
681 	.process = jpeg_v5_0_0_process_interrupt,
682 };
683 
jpeg_v5_0_0_set_irq_funcs(struct amdgpu_device * adev)684 static void jpeg_v5_0_0_set_irq_funcs(struct amdgpu_device *adev)
685 {
686 	adev->jpeg.inst->irq.num_types = 1;
687 	adev->jpeg.inst->irq.funcs = &jpeg_v5_0_0_irq_funcs;
688 }
689 
690 const struct amdgpu_ip_block_version jpeg_v5_0_0_ip_block = {
691 	.type = AMD_IP_BLOCK_TYPE_JPEG,
692 	.major = 5,
693 	.minor = 0,
694 	.rev = 0,
695 	.funcs = &jpeg_v5_0_0_ip_funcs,
696 };
697