diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c | 609 |
1 files changed, 609 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c new file mode 100644 index 000000000000..63b0d0b810ec --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c @@ -0,0 +1,609 @@ +/* + * Copyright 2021 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_4_0_0_offset.h" +#include "vcn/vcn_4_0_0_sh_mask.h" +#include "ivsrcid/vcn/irqsrcs_vcn_4_0.h" + +#define regUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f + +static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev); +static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev); +static int jpeg_v4_0_set_powergating_state(void *handle, + enum amd_powergating_state state); + +/** + * jpeg_v4_0_early_init - set function pointers + * + * @handle: amdgpu_device pointer + * + * Set ring and irq function pointers + */ +static int jpeg_v4_0_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + + adev->jpeg.num_jpeg_inst = 1; + + jpeg_v4_0_set_dec_ring_funcs(adev); + jpeg_v4_0_set_irq_funcs(adev); + + return 0; +} + +/** + * jpeg_v4_0_sw_init - sw init for JPEG block + * + * @handle: amdgpu_device pointer + * + * Load firmware and sw initialization + */ +static int jpeg_v4_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_4_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; + sprintf(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 = regUVD_JPEG_PITCH_INTERNAL_OFFSET; + adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_PITCH); + + return 0; +} + +/** + * jpeg_v4_0_sw_fini - sw fini for JPEG block + * + * @handle: amdgpu_device pointer + * + * JPEG suspend and free up sw allocation + */ +static int jpeg_v4_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_v4_0_hw_init - start and test JPEG block + * + * @handle: amdgpu_device pointer + * + */ +static int jpeg_v4_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); + + WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL, + ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT | + VCN_JPEG_DB_CTRL__EN_MASK); + + r = amdgpu_ring_test_helper(ring); + if (r) + return r; + + DRM_DEV_INFO(adev->dev, "JPEG decode initialized successfully.\n"); + + return 0; +} + +/** + * jpeg_v4_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_v4_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, regUVD_JRBC_STATUS)) + jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE); + + return 0; +} + +/** + * jpeg_v4_0_suspend - suspend JPEG block + * + * @handle: amdgpu_device pointer + * + * HW fini and suspend JPEG block + */ +static int jpeg_v4_0_suspend(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int r; + + r = jpeg_v4_0_hw_fini(adev); + if (r) + return r; + + r = amdgpu_jpeg_suspend(adev); + + return r; +} + +/** + * jpeg_v4_0_resume - resume JPEG block + * + * @handle: amdgpu_device pointer + * + * Resume firmware and hw init JPEG block + */ +static int jpeg_v4_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_v4_0_hw_init(adev); + + return r; +} + +static void jpeg_v4_0_disable_clock_gating(struct amdgpu_device *adev) +{ + uint32_t data = 0; + + data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL); + if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) { + data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; + data &= (~JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK); + } 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, regJPEG_CGC_CTRL, data); + + data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE); + data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK + | JPEG_CGC_GATE__JPEG2_DEC_MASK + | JPEG_CGC_GATE__JMCIF_MASK + | JPEG_CGC_GATE__JRBBM_MASK); + WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data); +} + +static void jpeg_v4_0_enable_clock_gating(struct amdgpu_device *adev) +{ + uint32_t data = 0; + + data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL); + if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) { + data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; + data |= JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK; + } 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, regJPEG_CGC_CTRL, data); + + data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE); + data |= (JPEG_CGC_GATE__JPEG_DEC_MASK + |JPEG_CGC_GATE__JPEG2_DEC_MASK + |JPEG_CGC_GATE__JMCIF_MASK + |JPEG_CGC_GATE__JRBBM_MASK); + WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data); +} + +static int jpeg_v4_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, regUVD_PGFSM_CONFIG), data); + + r = SOC15_WAIT_ON_RREG(JPEG, 0, + regUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON, + UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK); + + if (r) { + DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG disable power gating failed\n"); + return r; + } + } + + /* disable anti hang mechanism */ + WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_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, regUVD_JPEG_POWER_STATUS), 0, + ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK); + + return 0; +} + +static int jpeg_v4_0_enable_static_power_gating(struct amdgpu_device *adev) +{ + /* enable anti hang mechanism */ + WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_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, regUVD_PGFSM_CONFIG), data); + + r = SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_PGFSM_STATUS, + (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT), + UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK); + + if (r) { + DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG enable power gating failed\n"); + return r; + } + } + + return 0; +} + +/** + * jpeg_v4_0_start - start JPEG block + * + * @adev: amdgpu_device pointer + * + * Setup and start the JPEG block + */ +static int jpeg_v4_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_v4_0_disable_static_power_gating(adev); + if (r) + return r; + + /* JPEG disable CGC */ + jpeg_v4_0_disable_clock_gating(adev); + + /* MJPEG global tiling registers */ + WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG, + adev->gfx.config.gb_addr_config); + + + /* enable JMI channel */ + WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0, + ~UVD_JMI_CNTL__SOFT_RESET_MASK); + + /* enable System Interrupt for JRBC */ + WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regJPEG_SYS_INT_EN), + JPEG_SYS_INT_EN__DJRBC_MASK, + ~JPEG_SYS_INT_EN__DJRBC_MASK); + + WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_VMID, 0); + WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L)); + WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW, + lower_32_bits(ring->gpu_addr)); + WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, + upper_32_bits(ring->gpu_addr)); + WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR, 0); + WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, 0); + WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, 0x00000002L); + WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_SIZE, ring->ring_size / 4); + ring->wptr = RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR); + + return 0; +} + +/** + * jpeg_v4_0_stop - stop JPEG block + * + * @adev: amdgpu_device pointer + * + * stop the JPEG block + */ +static int jpeg_v4_0_stop(struct amdgpu_device *adev) +{ + int r; + + /* reset JMI */ + WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), + UVD_JMI_CNTL__SOFT_RESET_MASK, + ~UVD_JMI_CNTL__SOFT_RESET_MASK); + + jpeg_v4_0_enable_clock_gating(adev); + + /* enable power gating */ + r = jpeg_v4_0_enable_static_power_gating(adev); + if (r) + return r; + + if (adev->pm.dpm_enabled) + amdgpu_dpm_enable_jpeg(adev, false); + + return 0; +} + +/** + * jpeg_v4_0_dec_ring_get_rptr - get read pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware read pointer + */ +static uint64_t jpeg_v4_0_dec_ring_get_rptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR); +} + +/** + * jpeg_v4_0_dec_ring_get_wptr - get write pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware write pointer + */ +static uint64_t jpeg_v4_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, regUVD_JRBC_RB_WPTR); +} + +/** + * jpeg_v4_0_dec_ring_set_wptr - set write pointer + * + * @ring: amdgpu_ring pointer + * + * Commits the write pointer to the hardware + */ +static void jpeg_v4_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, regUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr)); + } +} + +static bool jpeg_v4_0_is_idle(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int ret = 1; + + ret &= (((RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS) & + UVD_JRBC_STATUS__RB_JOB_DONE_MASK) == + UVD_JRBC_STATUS__RB_JOB_DONE_MASK)); + + return ret; +} + +static int jpeg_v4_0_wait_for_idle(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC_STATUS, + UVD_JRBC_STATUS__RB_JOB_DONE_MASK, + UVD_JRBC_STATUS__RB_JOB_DONE_MASK); +} + +static int jpeg_v4_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) ? true : false; + + if (enable) { + if (!jpeg_v4_0_is_idle(handle)) + return -EBUSY; + jpeg_v4_0_enable_clock_gating(adev); + } else { + jpeg_v4_0_disable_clock_gating(adev); + } + + return 0; +} + +static int jpeg_v4_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_v4_0_stop(adev); + else + ret = jpeg_v4_0_start(adev); + + if (!ret) + adev->jpeg.cur_state = state; + + return ret; +} + +static int jpeg_v4_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_v4_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_4_0__SRCID__JPEG_DECODE: + amdgpu_fence_process(&adev->jpeg.inst->ring_dec); + break; + default: + DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n", + entry->src_id, entry->src_data[0]); + break; + } + + return 0; +} + +static const struct amd_ip_funcs jpeg_v4_0_ip_funcs = { + .name = "jpeg_v4_0", + .early_init = jpeg_v4_0_early_init, + .late_init = NULL, + .sw_init = jpeg_v4_0_sw_init, + .sw_fini = jpeg_v4_0_sw_fini, + .hw_init = jpeg_v4_0_hw_init, + .hw_fini = jpeg_v4_0_hw_fini, + .suspend = jpeg_v4_0_suspend, + .resume = jpeg_v4_0_resume, + .is_idle = jpeg_v4_0_is_idle, + .wait_for_idle = jpeg_v4_0_wait_for_idle, + .check_soft_reset = NULL, + .pre_soft_reset = NULL, + .soft_reset = NULL, + .post_soft_reset = NULL, + .set_clockgating_state = jpeg_v4_0_set_clockgating_state, + .set_powergating_state = jpeg_v4_0_set_powergating_state, +}; + +static const struct amdgpu_ring_funcs jpeg_v4_0_dec_ring_vm_funcs = { + .type = AMDGPU_RING_TYPE_VCN_JPEG, + .align_mask = 0xf, + .vmhub = AMDGPU_MMHUB_0, + .get_rptr = jpeg_v4_0_dec_ring_get_rptr, + .get_wptr = jpeg_v4_0_dec_ring_get_wptr, + .set_wptr = jpeg_v4_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_v4_0_dec_ring_emit_vm_flush */ + 18 + 18 + /* jpeg_v4_0_dec_ring_emit_fence x2 vm fence */ + 8 + 16, + .emit_ib_size = 22, /* jpeg_v4_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_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev) +{ + adev->jpeg.inst->ring_dec.funcs = &jpeg_v4_0_dec_ring_vm_funcs; + DRM_DEV_INFO(adev->dev, "JPEG decode is enabled in VM mode\n"); +} + +static const struct amdgpu_irq_src_funcs jpeg_v4_0_irq_funcs = { + .set = jpeg_v4_0_set_interrupt_state, + .process = jpeg_v4_0_process_interrupt, +}; + +static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev) +{ + adev->jpeg.inst->irq.num_types = 1; + adev->jpeg.inst->irq.funcs = &jpeg_v4_0_irq_funcs; +} + +const struct amdgpu_ip_block_version jpeg_v4_0_ip_block = { + .type = AMD_IP_BLOCK_TYPE_JPEG, + .major = 4, + .minor = 0, + .rev = 0, + .funcs = &jpeg_v4_0_ip_funcs, +}; |