2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #include "amdgpu_jpeg.h"
26 #include "amdgpu_pm.h"
29 #include "jpeg_v2_0.h"
31 #include "vcn/vcn_3_0_0_offset.h"
32 #include "vcn/vcn_3_0_0_sh_mask.h"
33 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
35 #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f
37 static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
38 static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev);
39 static int jpeg_v3_0_set_powergating_state(void *handle,
40 enum amd_powergating_state state);
43 * jpeg_v3_0_early_init - set function pointers
45 * @handle: amdgpu_device pointer
47 * Set ring and irq function pointers
49 static int jpeg_v3_0_early_init(void *handle)
51 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
55 switch (adev->ip_versions[UVD_HWIP][0]) {
56 case IP_VERSION(3, 1, 1):
57 case IP_VERSION(3, 1, 2):
60 harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING);
61 if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
66 adev->jpeg.num_jpeg_inst = 1;
68 jpeg_v3_0_set_dec_ring_funcs(adev);
69 jpeg_v3_0_set_irq_funcs(adev);
75 * jpeg_v3_0_sw_init - sw init for JPEG block
77 * @handle: amdgpu_device pointer
79 * Load firmware and sw initialization
81 static int jpeg_v3_0_sw_init(void *handle)
83 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
84 struct amdgpu_ring *ring;
88 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
89 VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
93 r = amdgpu_jpeg_sw_init(adev);
97 r = amdgpu_jpeg_resume(adev);
101 ring = &adev->jpeg.inst->ring_dec;
102 ring->use_doorbell = true;
103 ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
104 ring->vm_hub = AMDGPU_MMHUB_0;
105 sprintf(ring->name, "jpeg_dec");
106 r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
107 AMDGPU_RING_PRIO_DEFAULT, NULL);
111 adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
112 adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
118 * jpeg_v3_0_sw_fini - sw fini for JPEG block
120 * @handle: amdgpu_device pointer
122 * JPEG suspend and free up sw allocation
124 static int jpeg_v3_0_sw_fini(void *handle)
126 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
129 r = amdgpu_jpeg_suspend(adev);
133 r = amdgpu_jpeg_sw_fini(adev);
139 * jpeg_v3_0_hw_init - start and test JPEG block
141 * @handle: amdgpu_device pointer
144 static int jpeg_v3_0_hw_init(void *handle)
146 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
147 struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
150 adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
151 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
153 r = amdgpu_ring_test_helper(ring);
157 DRM_INFO("JPEG decode initialized successfully.\n");
163 * jpeg_v3_0_hw_fini - stop the hardware block
165 * @handle: amdgpu_device pointer
167 * Stop the JPEG block, mark ring as not ready any more
169 static int jpeg_v3_0_hw_fini(void *handle)
171 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
173 cancel_delayed_work_sync(&adev->vcn.idle_work);
175 if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
176 RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
177 jpeg_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
183 * jpeg_v3_0_suspend - suspend JPEG block
185 * @handle: amdgpu_device pointer
187 * HW fini and suspend JPEG block
189 static int jpeg_v3_0_suspend(void *handle)
191 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
194 r = jpeg_v3_0_hw_fini(adev);
198 r = amdgpu_jpeg_suspend(adev);
204 * jpeg_v3_0_resume - resume JPEG block
206 * @handle: amdgpu_device pointer
208 * Resume firmware and hw init JPEG block
210 static int jpeg_v3_0_resume(void *handle)
212 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
215 r = amdgpu_jpeg_resume(adev);
219 r = jpeg_v3_0_hw_init(adev);
224 static void jpeg_v3_0_disable_clock_gating(struct amdgpu_device *adev)
228 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
229 if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
230 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
232 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
234 data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
235 data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
236 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
238 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
239 data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
240 | JPEG_CGC_GATE__JPEG2_DEC_MASK
241 | JPEG_CGC_GATE__JPEG_ENC_MASK
242 | JPEG_CGC_GATE__JMCIF_MASK
243 | JPEG_CGC_GATE__JRBBM_MASK);
244 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
246 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
247 data &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK
248 | JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK
249 | JPEG_CGC_CTRL__JMCIF_MODE_MASK
250 | JPEG_CGC_CTRL__JRBBM_MODE_MASK);
251 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
254 static void jpeg_v3_0_enable_clock_gating(struct amdgpu_device *adev)
258 data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
259 data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
260 |JPEG_CGC_GATE__JPEG2_DEC_MASK
261 |JPEG_CGC_GATE__JPEG_ENC_MASK
262 |JPEG_CGC_GATE__JMCIF_MASK
263 |JPEG_CGC_GATE__JRBBM_MASK);
264 WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
267 static int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev)
269 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
273 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
274 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
276 r = SOC15_WAIT_ON_RREG(JPEG, 0,
277 mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
278 UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
281 DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
286 /* disable anti hang mechanism */
287 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
288 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
290 /* keep the JPEG in static PG mode */
291 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
292 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
297 static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device *adev)
299 /* enable anti hang mechanism */
300 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS),
301 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
302 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
304 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
308 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
309 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
311 r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
312 (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
313 UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
316 DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
325 * jpeg_v3_0_start - start JPEG block
327 * @adev: amdgpu_device pointer
329 * Setup and start the JPEG block
331 static int jpeg_v3_0_start(struct amdgpu_device *adev)
333 struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
336 if (adev->pm.dpm_enabled)
337 amdgpu_dpm_enable_jpeg(adev, true);
339 /* disable power gating */
340 r = jpeg_v3_0_disable_static_power_gating(adev);
344 /* JPEG disable CGC */
345 jpeg_v3_0_disable_clock_gating(adev);
347 /* MJPEG global tiling registers */
348 WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG,
349 adev->gfx.config.gb_addr_config);
350 WREG32_SOC15(JPEG, 0, mmJPEG_ENC_GFX10_ADDR_CONFIG,
351 adev->gfx.config.gb_addr_config);
353 /* enable JMI channel */
354 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
355 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
357 /* enable System Interrupt for JRBC */
358 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
359 JPEG_SYS_INT_EN__DJRBC_MASK,
360 ~JPEG_SYS_INT_EN__DJRBC_MASK);
362 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
363 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
364 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
365 lower_32_bits(ring->gpu_addr));
366 WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
367 upper_32_bits(ring->gpu_addr));
368 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
369 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
370 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
371 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
372 ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
378 * jpeg_v3_0_stop - stop JPEG block
380 * @adev: amdgpu_device pointer
382 * stop the JPEG block
384 static int jpeg_v3_0_stop(struct amdgpu_device *adev)
389 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
390 UVD_JMI_CNTL__SOFT_RESET_MASK,
391 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
393 jpeg_v3_0_enable_clock_gating(adev);
395 /* enable power gating */
396 r = jpeg_v3_0_enable_static_power_gating(adev);
400 if (adev->pm.dpm_enabled)
401 amdgpu_dpm_enable_jpeg(adev, false);
407 * jpeg_v3_0_dec_ring_get_rptr - get read pointer
409 * @ring: amdgpu_ring pointer
411 * Returns the current hardware read pointer
413 static uint64_t jpeg_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
415 struct amdgpu_device *adev = ring->adev;
417 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
421 * jpeg_v3_0_dec_ring_get_wptr - get write pointer
423 * @ring: amdgpu_ring pointer
425 * Returns the current hardware write pointer
427 static uint64_t jpeg_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
429 struct amdgpu_device *adev = ring->adev;
431 if (ring->use_doorbell)
432 return *ring->wptr_cpu_addr;
434 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
438 * jpeg_v3_0_dec_ring_set_wptr - set write pointer
440 * @ring: amdgpu_ring pointer
442 * Commits the write pointer to the hardware
444 static void jpeg_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
446 struct amdgpu_device *adev = ring->adev;
448 if (ring->use_doorbell) {
449 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
450 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
452 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
456 static bool jpeg_v3_0_is_idle(void *handle)
458 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
461 ret &= (((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
462 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
463 UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
468 static int jpeg_v3_0_wait_for_idle(void *handle)
470 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
472 return SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
473 UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
474 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
477 static int jpeg_v3_0_set_clockgating_state(void *handle,
478 enum amd_clockgating_state state)
480 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
481 bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
484 if (!jpeg_v3_0_is_idle(handle))
486 jpeg_v3_0_enable_clock_gating(adev);
488 jpeg_v3_0_disable_clock_gating(adev);
494 static int jpeg_v3_0_set_powergating_state(void *handle,
495 enum amd_powergating_state state)
497 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
500 if(state == adev->jpeg.cur_state)
503 if (state == AMD_PG_STATE_GATE)
504 ret = jpeg_v3_0_stop(adev);
506 ret = jpeg_v3_0_start(adev);
509 adev->jpeg.cur_state = state;
514 static int jpeg_v3_0_set_interrupt_state(struct amdgpu_device *adev,
515 struct amdgpu_irq_src *source,
517 enum amdgpu_interrupt_state state)
522 static int jpeg_v3_0_process_interrupt(struct amdgpu_device *adev,
523 struct amdgpu_irq_src *source,
524 struct amdgpu_iv_entry *entry)
526 DRM_DEBUG("IH: JPEG TRAP\n");
528 switch (entry->src_id) {
529 case VCN_2_0__SRCID__JPEG_DECODE:
530 amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
533 DRM_ERROR("Unhandled interrupt: %d %d\n",
534 entry->src_id, entry->src_data[0]);
541 static const struct amd_ip_funcs jpeg_v3_0_ip_funcs = {
543 .early_init = jpeg_v3_0_early_init,
545 .sw_init = jpeg_v3_0_sw_init,
546 .sw_fini = jpeg_v3_0_sw_fini,
547 .hw_init = jpeg_v3_0_hw_init,
548 .hw_fini = jpeg_v3_0_hw_fini,
549 .suspend = jpeg_v3_0_suspend,
550 .resume = jpeg_v3_0_resume,
551 .is_idle = jpeg_v3_0_is_idle,
552 .wait_for_idle = jpeg_v3_0_wait_for_idle,
553 .check_soft_reset = NULL,
554 .pre_soft_reset = NULL,
556 .post_soft_reset = NULL,
557 .set_clockgating_state = jpeg_v3_0_set_clockgating_state,
558 .set_powergating_state = jpeg_v3_0_set_powergating_state,
561 static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = {
562 .type = AMDGPU_RING_TYPE_VCN_JPEG,
564 .get_rptr = jpeg_v3_0_dec_ring_get_rptr,
565 .get_wptr = jpeg_v3_0_dec_ring_get_wptr,
566 .set_wptr = jpeg_v3_0_dec_ring_set_wptr,
568 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
569 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
570 8 + /* jpeg_v3_0_dec_ring_emit_vm_flush */
571 18 + 18 + /* jpeg_v3_0_dec_ring_emit_fence x2 vm fence */
573 .emit_ib_size = 22, /* jpeg_v3_0_dec_ring_emit_ib */
574 .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
575 .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
576 .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
577 .test_ring = amdgpu_jpeg_dec_ring_test_ring,
578 .test_ib = amdgpu_jpeg_dec_ring_test_ib,
579 .insert_nop = jpeg_v2_0_dec_ring_nop,
580 .insert_start = jpeg_v2_0_dec_ring_insert_start,
581 .insert_end = jpeg_v2_0_dec_ring_insert_end,
582 .pad_ib = amdgpu_ring_generic_pad_ib,
583 .begin_use = amdgpu_jpeg_ring_begin_use,
584 .end_use = amdgpu_jpeg_ring_end_use,
585 .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
586 .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
587 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
590 static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
592 adev->jpeg.inst->ring_dec.funcs = &jpeg_v3_0_dec_ring_vm_funcs;
593 DRM_INFO("JPEG decode is enabled in VM mode\n");
596 static const struct amdgpu_irq_src_funcs jpeg_v3_0_irq_funcs = {
597 .set = jpeg_v3_0_set_interrupt_state,
598 .process = jpeg_v3_0_process_interrupt,
601 static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev)
603 adev->jpeg.inst->irq.num_types = 1;
604 adev->jpeg.inst->irq.funcs = &jpeg_v3_0_irq_funcs;
607 const struct amdgpu_ip_block_version jpeg_v3_0_ip_block =
609 .type = AMD_IP_BLOCK_TYPE_JPEG,
613 .funcs = &jpeg_v3_0_ip_funcs,