/* * Copyright 2019 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #include "amdgpu.h" #include "amdgpu_jpeg.h" #include "amdgpu_pm.h" #include "soc15.h" #include "soc15d.h" #include "jpeg_v2_0.h" #include "vcn/vcn_3_0_0_offset.h" #include "vcn/vcn_3_0_0_sh_mask.h" #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h" #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev); static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev); static int jpeg_v3_0_set_powergating_state(void *handle, enum amd_powergating_state state); /** * jpeg_v3_0_early_init - set function pointers * * @handle: amdgpu_device pointer * * Set ring and irq function pointers */ static int jpeg_v3_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 harvest; switch (adev->ip_versions[UVD_HWIP][0]) { case IP_VERSION(3, 1, 1): case IP_VERSION(3, 1, 2): break; default: harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING); if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK) return -ENOENT; break; } adev->jpeg.num_jpeg_inst = 1; adev->jpeg.num_jpeg_rings = 1; jpeg_v3_0_set_dec_ring_funcs(adev); jpeg_v3_0_set_irq_funcs(adev); return 0; } /** * jpeg_v3_0_sw_init - sw init for JPEG block * * @handle: amdgpu_device pointer * * Load firmware and sw initialization */ static int jpeg_v3_0_sw_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_ring *ring; int r; /* JPEG TRAP */ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq); if (r) return r; r = amdgpu_jpeg_sw_init(adev); if (r) return r; r = amdgpu_jpeg_resume(adev); if (r) return r; ring = adev->jpeg.inst->ring_dec; ring->use_doorbell = true; ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1; ring->vm_hub = AMDGPU_MMHUB0(0); snprintf(ring->name, sizeof(ring->name), "jpeg_dec"); r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0, AMDGPU_RING_PRIO_DEFAULT, NULL); if (r) return r; adev->jpeg.internal.jpeg_pitch[0] = mmUVD_JPEG_PITCH_INTERNAL_OFFSET; adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH); return 0; } /** * jpeg_v3_0_sw_fini - sw fini for JPEG block * * @handle: amdgpu_device pointer * * JPEG suspend and free up sw allocation */ static int jpeg_v3_0_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; r = amdgpu_jpeg_suspend(adev); if (r) return r; r = amdgpu_jpeg_sw_fini(adev); return r; } /** * jpeg_v3_0_hw_init - start and test JPEG block * * @handle: amdgpu_device pointer * */ static int jpeg_v3_0_hw_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec; int r; adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0); r = amdgpu_ring_test_helper(ring); if (r) return r; DRM_INFO("JPEG decode initialized successfully.\n"); return 0; } /** * jpeg_v3_0_hw_fini - stop the hardware block * * @handle: amdgpu_device pointer * * Stop the JPEG block, mark ring as not ready any more */ static int jpeg_v3_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; cancel_delayed_work_sync(&adev->vcn.idle_work); if (adev->jpeg.cur_state != AMD_PG_STATE_GATE && RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS)) jpeg_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE); return 0; } /** * jpeg_v3_0_suspend - suspend JPEG block * * @handle: amdgpu_device pointer * * HW fini and suspend JPEG block */ static int jpeg_v3_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; r = jpeg_v3_0_hw_fini(adev); if (r) return r; r = amdgpu_jpeg_suspend(adev); return r; } /** * jpeg_v3_0_resume - resume JPEG block * * @handle: amdgpu_device pointer * * Resume firmware and hw init JPEG block */ static int jpeg_v3_0_resume(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; r = amdgpu_jpeg_resume(adev); if (r) return r; r = jpeg_v3_0_hw_init(adev); return r; } static void jpeg_v3_0_disable_clock_gating(struct amdgpu_device *adev) { uint32_t data = 0; data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL); if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; else data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT; WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data); data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE); data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK | JPEG_CGC_GATE__JPEG2_DEC_MASK | JPEG_CGC_GATE__JPEG_ENC_MASK | JPEG_CGC_GATE__JMCIF_MASK | JPEG_CGC_GATE__JRBBM_MASK); WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data); data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL); data &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK | JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK | JPEG_CGC_CTRL__JMCIF_MODE_MASK | JPEG_CGC_CTRL__JRBBM_MODE_MASK); WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data); } static void jpeg_v3_0_enable_clock_gating(struct amdgpu_device *adev) { uint32_t data = 0; data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE); data |= (JPEG_CGC_GATE__JPEG_DEC_MASK |JPEG_CGC_GATE__JPEG2_DEC_MASK |JPEG_CGC_GATE__JPEG_ENC_MASK |JPEG_CGC_GATE__JMCIF_MASK |JPEG_CGC_GATE__JRBBM_MASK); WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data); } static int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev) { if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) { uint32_t data = 0; int r = 0; data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT; WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data); r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON, UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK); if (r) { DRM_ERROR("amdgpu: JPEG disable power gating failed\n"); return r; } } /* disable anti hang mechanism */ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0, ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK); /* keep the JPEG in static PG mode */ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0, ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK); return 0; } static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device *adev) { /* enable anti hang mechanism */ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK, ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK); if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) { uint32_t data = 0; int r = 0; data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT; WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data); r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS, (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT), UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK); if (r) { DRM_ERROR("amdgpu: JPEG enable power gating failed\n"); return r; } } return 0; } /** * jpeg_v3_0_start - start JPEG block * * @adev: amdgpu_device pointer * * Setup and start the JPEG block */ static int jpeg_v3_0_start(struct amdgpu_device *adev) { struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec; int r; if (adev->pm.dpm_enabled) amdgpu_dpm_enable_jpeg(adev, true); /* disable power gating */ r = jpeg_v3_0_disable_static_power_gating(adev); if (r) return r; /* JPEG disable CGC */ jpeg_v3_0_disable_clock_gating(adev); /* MJPEG global tiling registers */ WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config); WREG32_SOC15(JPEG, 0, mmJPEG_ENC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config); /* enable JMI channel */ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0, ~UVD_JMI_CNTL__SOFT_RESET_MASK); /* enable System Interrupt for JRBC */ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN), JPEG_SYS_INT_EN__DJRBC_MASK, ~JPEG_SYS_INT_EN__DJRBC_MASK); WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0); WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L)); WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW, lower_32_bits(ring->gpu_addr)); WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, upper_32_bits(ring->gpu_addr)); WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0); WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0); WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L); WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4); ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR); return 0; } /** * jpeg_v3_0_stop - stop JPEG block * * @adev: amdgpu_device pointer * * stop the JPEG block */ static int jpeg_v3_0_stop(struct amdgpu_device *adev) { int r; /* reset JMI */ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), UVD_JMI_CNTL__SOFT_RESET_MASK, ~UVD_JMI_CNTL__SOFT_RESET_MASK); jpeg_v3_0_enable_clock_gating(adev); /* enable power gating */ r = jpeg_v3_0_enable_static_power_gating(adev); if (r) return r; if (adev->pm.dpm_enabled) amdgpu_dpm_enable_jpeg(adev, false); return 0; } /** * jpeg_v3_0_dec_ring_get_rptr - get read pointer * * @ring: amdgpu_ring pointer * * Returns the current hardware read pointer */ static uint64_t jpeg_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR); } /** * jpeg_v3_0_dec_ring_get_wptr - get write pointer * * @ring: amdgpu_ring pointer * * Returns the current hardware write pointer */ static uint64_t jpeg_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; if (ring->use_doorbell) return *ring->wptr_cpu_addr; else return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR); } /** * jpeg_v3_0_dec_ring_set_wptr - set write pointer * * @ring: amdgpu_ring pointer * * Commits the write pointer to the hardware */ static void jpeg_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; if (ring->use_doorbell) { *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); } else { WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr)); } } static bool jpeg_v3_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int ret = 1; ret &= (((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) & UVD_JRBC_STATUS__RB_JOB_DONE_MASK) == UVD_JRBC_STATUS__RB_JOB_DONE_MASK)); return ret; } static int jpeg_v3_0_wait_for_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; return SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK, UVD_JRBC_STATUS__RB_JOB_DONE_MASK); } static int jpeg_v3_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; bool enable = state == AMD_CG_STATE_GATE; if (enable) { if (!jpeg_v3_0_is_idle(handle)) return -EBUSY; jpeg_v3_0_enable_clock_gating(adev); } else { jpeg_v3_0_disable_clock_gating(adev); } return 0; } static int jpeg_v3_0_set_powergating_state(void *handle, enum amd_powergating_state state) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int ret; if(state == adev->jpeg.cur_state) return 0; if (state == AMD_PG_STATE_GATE) ret = jpeg_v3_0_stop(adev); else ret = jpeg_v3_0_start(adev); if(!ret) adev->jpeg.cur_state = state; return ret; } static int jpeg_v3_0_set_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *source, unsigned type, enum amdgpu_interrupt_state state) { return 0; } static int jpeg_v3_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { DRM_DEBUG("IH: JPEG TRAP\n"); switch (entry->src_id) { case VCN_2_0__SRCID__JPEG_DECODE: amdgpu_fence_process(adev->jpeg.inst->ring_dec); break; default: DRM_ERROR("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); break; } return 0; } static const struct amd_ip_funcs jpeg_v3_0_ip_funcs = { .name = "jpeg_v3_0", .early_init = jpeg_v3_0_early_init, .late_init = NULL, .sw_init = jpeg_v3_0_sw_init, .sw_fini = jpeg_v3_0_sw_fini, .hw_init = jpeg_v3_0_hw_init, .hw_fini = jpeg_v3_0_hw_fini, .suspend = jpeg_v3_0_suspend, .resume = jpeg_v3_0_resume, .is_idle = jpeg_v3_0_is_idle, .wait_for_idle = jpeg_v3_0_wait_for_idle, .check_soft_reset = NULL, .pre_soft_reset = NULL, .soft_reset = NULL, .post_soft_reset = NULL, .set_clockgating_state = jpeg_v3_0_set_clockgating_state, .set_powergating_state = jpeg_v3_0_set_powergating_state, }; static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = { .type = AMDGPU_RING_TYPE_VCN_JPEG, .align_mask = 0xf, .get_rptr = jpeg_v3_0_dec_ring_get_rptr, .get_wptr = jpeg_v3_0_dec_ring_get_wptr, .set_wptr = jpeg_v3_0_dec_ring_set_wptr, .emit_frame_size = SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 8 + /* jpeg_v3_0_dec_ring_emit_vm_flush */ 18 + 18 + /* jpeg_v3_0_dec_ring_emit_fence x2 vm fence */ 8 + 16, .emit_ib_size = 22, /* jpeg_v3_0_dec_ring_emit_ib */ .emit_ib = jpeg_v2_0_dec_ring_emit_ib, .emit_fence = jpeg_v2_0_dec_ring_emit_fence, .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush, .test_ring = amdgpu_jpeg_dec_ring_test_ring, .test_ib = amdgpu_jpeg_dec_ring_test_ib, .insert_nop = jpeg_v2_0_dec_ring_nop, .insert_start = jpeg_v2_0_dec_ring_insert_start, .insert_end = jpeg_v2_0_dec_ring_insert_end, .pad_ib = amdgpu_ring_generic_pad_ib, .begin_use = amdgpu_jpeg_ring_begin_use, .end_use = amdgpu_jpeg_ring_end_use, .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg, .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait, .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, }; static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev) { adev->jpeg.inst->ring_dec->funcs = &jpeg_v3_0_dec_ring_vm_funcs; DRM_INFO("JPEG decode is enabled in VM mode\n"); } static const struct amdgpu_irq_src_funcs jpeg_v3_0_irq_funcs = { .set = jpeg_v3_0_set_interrupt_state, .process = jpeg_v3_0_process_interrupt, }; static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev) { adev->jpeg.inst->irq.num_types = 1; adev->jpeg.inst->irq.funcs = &jpeg_v3_0_irq_funcs; } const struct amdgpu_ip_block_version jpeg_v3_0_ip_block = { .type = AMD_IP_BLOCK_TYPE_JPEG, .major = 3, .minor = 0, .rev = 0, .funcs = &jpeg_v3_0_ip_funcs, };