diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vce_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 521 |
1 files changed, 521 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c new file mode 100644 index 000000000000..384c45e74053 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -0,0 +1,521 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Christian König <christian.koenig@amd.com> + */ + +#include <linux/firmware.h> +#include <drm/drmP.h> +#include "amdgpu.h" +#include "amdgpu_vce.h" +#include "vid.h" +#include "vce/vce_3_0_d.h" +#include "vce/vce_3_0_sh_mask.h" +#include "oss/oss_2_0_d.h" +#include "oss/oss_2_0_sh_mask.h" + +static void vce_v3_0_mc_resume(struct amdgpu_device *adev); +static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev); +static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev); + +/** + * vce_v3_0_ring_get_rptr - get read pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware read pointer + */ +static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring == &adev->vce.ring[0]) + return RREG32(mmVCE_RB_RPTR); + else + return RREG32(mmVCE_RB_RPTR2); +} + +/** + * vce_v3_0_ring_get_wptr - get write pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware write pointer + */ +static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring == &adev->vce.ring[0]) + return RREG32(mmVCE_RB_WPTR); + else + return RREG32(mmVCE_RB_WPTR2); +} + +/** + * vce_v3_0_ring_set_wptr - set write pointer + * + * @ring: amdgpu_ring pointer + * + * Commits the write pointer to the hardware + */ +static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring == &adev->vce.ring[0]) + WREG32(mmVCE_RB_WPTR, ring->wptr); + else + WREG32(mmVCE_RB_WPTR2, ring->wptr); +} + +/** + * vce_v3_0_start - start VCE block + * + * @adev: amdgpu_device pointer + * + * Setup and start the VCE block + */ +static int vce_v3_0_start(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring; + int i, j, r; + + vce_v3_0_mc_resume(adev); + + /* set BUSY flag */ + WREG32_P(mmVCE_STATUS, 1, ~1); + + ring = &adev->vce.ring[0]; + WREG32(mmVCE_RB_RPTR, ring->wptr); + WREG32(mmVCE_RB_WPTR, ring->wptr); + WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); + + ring = &adev->vce.ring[1]; + WREG32(mmVCE_RB_RPTR2, ring->wptr); + WREG32(mmVCE_RB_WPTR2, ring->wptr); + WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); + + WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, ~VCE_VCPU_CNTL__CLK_EN_MASK); + + WREG32_P(mmVCE_SOFT_RESET, + VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, + ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); + + mdelay(100); + + WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); + + for (i = 0; i < 10; ++i) { + uint32_t status; + for (j = 0; j < 100; ++j) { + status = RREG32(mmVCE_STATUS); + if (status & 2) + break; + mdelay(10); + } + r = 0; + if (status & 2) + break; + + DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n"); + WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, + ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); + mdelay(10); + WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); + mdelay(10); + r = -1; + } + + /* clear BUSY flag */ + WREG32_P(mmVCE_STATUS, 0, ~1); + + if (r) { + DRM_ERROR("VCE not responding, giving up!!!\n"); + return r; + } + + return 0; +} + +static int vce_v3_0_early_init(struct amdgpu_device *adev) +{ + vce_v3_0_set_ring_funcs(adev); + vce_v3_0_set_irq_funcs(adev); + + return 0; +} + +static int vce_v3_0_sw_init(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring; + int r; + + /* VCE */ + r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq); + if (r) + return r; + + r = amdgpu_vce_sw_init(adev); + if (r) + return r; + + r = amdgpu_vce_resume(adev); + if (r) + return r; + + ring = &adev->vce.ring[0]; + sprintf(ring->name, "vce0"); + r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf, + &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE); + if (r) + return r; + + ring = &adev->vce.ring[1]; + sprintf(ring->name, "vce1"); + r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf, + &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE); + if (r) + return r; + + return r; +} + +static int vce_v3_0_sw_fini(struct amdgpu_device *adev) +{ + int r; + + r = amdgpu_vce_suspend(adev); + if (r) + return r; + + r = amdgpu_vce_sw_fini(adev); + if (r) + return r; + + return r; +} + +static int vce_v3_0_hw_init(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring; + int r; + + r = vce_v3_0_start(adev); + if (r) + return r; + + ring = &adev->vce.ring[0]; + ring->ready = true; + r = amdgpu_ring_test_ring(ring); + if (r) { + ring->ready = false; + return r; + } + + ring = &adev->vce.ring[1]; + ring->ready = true; + r = amdgpu_ring_test_ring(ring); + if (r) { + ring->ready = false; + return r; + } + + DRM_INFO("VCE initialized successfully.\n"); + + return 0; +} + +static int vce_v3_0_hw_fini(struct amdgpu_device *adev) +{ + // TODO + return 0; +} + +static int vce_v3_0_suspend(struct amdgpu_device *adev) +{ + int r; + + r = vce_v3_0_hw_fini(adev); + if (r) + return r; + + r = amdgpu_vce_suspend(adev); + if (r) + return r; + + return r; +} + +static int vce_v3_0_resume(struct amdgpu_device *adev) +{ + int r; + + r = amdgpu_vce_resume(adev); + if (r) + return r; + + r = vce_v3_0_hw_init(adev); + if (r) + return r; + + return r; +} + +static void vce_v3_0_mc_resume(struct amdgpu_device *adev) +{ + uint32_t offset, size; + + WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16)); + WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000); + WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F); + WREG32(mmVCE_CLOCK_GATING_B, 0xf7); + + WREG32(mmVCE_LMI_CTRL, 0x00398000); + WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1); + WREG32(mmVCE_LMI_SWAP_CNTL, 0); + WREG32(mmVCE_LMI_SWAP_CNTL1, 0); + WREG32(mmVCE_LMI_VM_CTRL, 0); + + WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); + offset = AMDGPU_VCE_FIRMWARE_OFFSET; + size = AMDGPU_GPU_PAGE_ALIGN(adev->vce.fw->size); + WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff); + WREG32(mmVCE_VCPU_CACHE_SIZE0, size); + + offset += size; + size = AMDGPU_VCE_STACK_SIZE; + WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff); + WREG32(mmVCE_VCPU_CACHE_SIZE1, size); + + offset += size; + size = AMDGPU_VCE_HEAP_SIZE; + WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff); + WREG32(mmVCE_VCPU_CACHE_SIZE2, size); + + WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100); + + WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK, + ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); +} + +static bool vce_v3_0_is_idle(struct amdgpu_device *adev) +{ + return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK); +} + +static int vce_v3_0_wait_for_idle(struct amdgpu_device *adev) +{ + unsigned i; + + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK)) + return 0; + } + return -ETIMEDOUT; +} + +static int vce_v3_0_soft_reset(struct amdgpu_device *adev) +{ + WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK, + ~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK); + mdelay(5); + + return vce_v3_0_start(adev); +} + +static void vce_v3_0_print_status(struct amdgpu_device *adev) +{ + dev_info(adev->dev, "VCE 3.0 registers\n"); + dev_info(adev->dev, " VCE_STATUS=0x%08X\n", + RREG32(mmVCE_STATUS)); + dev_info(adev->dev, " VCE_VCPU_CNTL=0x%08X\n", + RREG32(mmVCE_VCPU_CNTL)); + dev_info(adev->dev, " VCE_VCPU_CACHE_OFFSET0=0x%08X\n", + RREG32(mmVCE_VCPU_CACHE_OFFSET0)); + dev_info(adev->dev, " VCE_VCPU_CACHE_SIZE0=0x%08X\n", + RREG32(mmVCE_VCPU_CACHE_SIZE0)); + dev_info(adev->dev, " VCE_VCPU_CACHE_OFFSET1=0x%08X\n", + RREG32(mmVCE_VCPU_CACHE_OFFSET1)); + dev_info(adev->dev, " VCE_VCPU_CACHE_SIZE1=0x%08X\n", + RREG32(mmVCE_VCPU_CACHE_SIZE1)); + dev_info(adev->dev, " VCE_VCPU_CACHE_OFFSET2=0x%08X\n", + RREG32(mmVCE_VCPU_CACHE_OFFSET2)); + dev_info(adev->dev, " VCE_VCPU_CACHE_SIZE2=0x%08X\n", + RREG32(mmVCE_VCPU_CACHE_SIZE2)); + dev_info(adev->dev, " VCE_SOFT_RESET=0x%08X\n", + RREG32(mmVCE_SOFT_RESET)); + dev_info(adev->dev, " VCE_RB_BASE_LO2=0x%08X\n", + RREG32(mmVCE_RB_BASE_LO2)); + dev_info(adev->dev, " VCE_RB_BASE_HI2=0x%08X\n", + RREG32(mmVCE_RB_BASE_HI2)); + dev_info(adev->dev, " VCE_RB_SIZE2=0x%08X\n", + RREG32(mmVCE_RB_SIZE2)); + dev_info(adev->dev, " VCE_RB_RPTR2=0x%08X\n", + RREG32(mmVCE_RB_RPTR2)); + dev_info(adev->dev, " VCE_RB_WPTR2=0x%08X\n", + RREG32(mmVCE_RB_WPTR2)); + dev_info(adev->dev, " VCE_RB_BASE_LO=0x%08X\n", + RREG32(mmVCE_RB_BASE_LO)); + dev_info(adev->dev, " VCE_RB_BASE_HI=0x%08X\n", + RREG32(mmVCE_RB_BASE_HI)); + dev_info(adev->dev, " VCE_RB_SIZE=0x%08X\n", + RREG32(mmVCE_RB_SIZE)); + dev_info(adev->dev, " VCE_RB_RPTR=0x%08X\n", + RREG32(mmVCE_RB_RPTR)); + dev_info(adev->dev, " VCE_RB_WPTR=0x%08X\n", + RREG32(mmVCE_RB_WPTR)); + dev_info(adev->dev, " VCE_CLOCK_GATING_A=0x%08X\n", + RREG32(mmVCE_CLOCK_GATING_A)); + dev_info(adev->dev, " VCE_CLOCK_GATING_B=0x%08X\n", + RREG32(mmVCE_CLOCK_GATING_B)); + dev_info(adev->dev, " VCE_UENC_CLOCK_GATING=0x%08X\n", + RREG32(mmVCE_UENC_CLOCK_GATING)); + dev_info(adev->dev, " VCE_UENC_REG_CLOCK_GATING=0x%08X\n", + RREG32(mmVCE_UENC_REG_CLOCK_GATING)); + dev_info(adev->dev, " VCE_SYS_INT_EN=0x%08X\n", + RREG32(mmVCE_SYS_INT_EN)); + dev_info(adev->dev, " VCE_LMI_CTRL2=0x%08X\n", + RREG32(mmVCE_LMI_CTRL2)); + dev_info(adev->dev, " VCE_LMI_CTRL=0x%08X\n", + RREG32(mmVCE_LMI_CTRL)); + dev_info(adev->dev, " VCE_LMI_VM_CTRL=0x%08X\n", + RREG32(mmVCE_LMI_VM_CTRL)); + dev_info(adev->dev, " VCE_LMI_SWAP_CNTL=0x%08X\n", + RREG32(mmVCE_LMI_SWAP_CNTL)); + dev_info(adev->dev, " VCE_LMI_SWAP_CNTL1=0x%08X\n", + RREG32(mmVCE_LMI_SWAP_CNTL1)); + dev_info(adev->dev, " VCE_LMI_CACHE_CTRL=0x%08X\n", + RREG32(mmVCE_LMI_CACHE_CTRL)); +} + +static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned type, + enum amdgpu_interrupt_state state) +{ + uint32_t val = 0; + + if (state == AMDGPU_IRQ_STATE_ENABLE) + val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK; + + WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); + return 0; +} + +static int vce_v3_0_process_interrupt(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + DRM_DEBUG("IH: VCE\n"); + switch (entry->src_data) { + case 0: + amdgpu_fence_process(&adev->vce.ring[0]); + break; + case 1: + amdgpu_fence_process(&adev->vce.ring[1]); + break; + default: + DRM_ERROR("Unhandled interrupt: %d %d\n", + entry->src_id, entry->src_data); + break; + } + + return 0; +} + +static int vce_v3_0_set_clockgating_state(struct amdgpu_device *adev, + enum amdgpu_clockgating_state state) +{ + //TODO + return 0; +} + +static int vce_v3_0_set_powergating_state(struct amdgpu_device *adev, + enum amdgpu_powergating_state state) +{ + /* This doesn't actually powergate the VCE block. + * That's done in the dpm code via the SMC. This + * just re-inits the block as necessary. The actual + * gating still happens in the dpm code. We should + * revisit this when there is a cleaner line between + * the smc and the hw blocks + */ + if (state == AMDGPU_PG_STATE_GATE) + /* XXX do we need a vce_v3_0_stop()? */ + return 0; + else + return vce_v3_0_start(adev); +} + +const struct amdgpu_ip_funcs vce_v3_0_ip_funcs = { + .early_init = vce_v3_0_early_init, + .late_init = NULL, + .sw_init = vce_v3_0_sw_init, + .sw_fini = vce_v3_0_sw_fini, + .hw_init = vce_v3_0_hw_init, + .hw_fini = vce_v3_0_hw_fini, + .suspend = vce_v3_0_suspend, + .resume = vce_v3_0_resume, + .is_idle = vce_v3_0_is_idle, + .wait_for_idle = vce_v3_0_wait_for_idle, + .soft_reset = vce_v3_0_soft_reset, + .print_status = vce_v3_0_print_status, + .set_clockgating_state = vce_v3_0_set_clockgating_state, + .set_powergating_state = vce_v3_0_set_powergating_state, +}; + +static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = { + .get_rptr = vce_v3_0_ring_get_rptr, + .get_wptr = vce_v3_0_ring_get_wptr, + .set_wptr = vce_v3_0_ring_set_wptr, + .parse_cs = amdgpu_vce_ring_parse_cs, + .emit_ib = amdgpu_vce_ring_emit_ib, + .emit_fence = amdgpu_vce_ring_emit_fence, + .emit_semaphore = amdgpu_vce_ring_emit_semaphore, + .test_ring = amdgpu_vce_ring_test_ring, + .test_ib = amdgpu_vce_ring_test_ib, + .is_lockup = amdgpu_ring_test_lockup, +}; + +static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev) +{ + adev->vce.ring[0].funcs = &vce_v3_0_ring_funcs; + adev->vce.ring[1].funcs = &vce_v3_0_ring_funcs; +} + +static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = { + .set = vce_v3_0_set_interrupt_state, + .process = vce_v3_0_process_interrupt, +}; + +static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev) +{ + adev->vce.irq.num_types = 1; + adev->vce.irq.funcs = &vce_v3_0_irq_funcs; +}; |
