| /* |
| * Copyright 2013 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. |
| * |
| * Authors: Christian König <christian.koenig@amd.com> |
| */ |
| |
| #include <linux/firmware.h> |
| #include <drm/drmP.h> |
| #include "amdgpu.h" |
| #include "amdgpu_uvd.h" |
| #include "cikd.h" |
| |
| #include "uvd/uvd_4_2_d.h" |
| #include "uvd/uvd_4_2_sh_mask.h" |
| |
| #include "oss/oss_2_0_d.h" |
| #include "oss/oss_2_0_sh_mask.h" |
| |
| #include "bif/bif_4_1_d.h" |
| |
| static void uvd_v4_2_mc_resume(struct amdgpu_device *adev); |
| static void uvd_v4_2_init_cg(struct amdgpu_device *adev); |
| static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev); |
| static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev); |
| static int uvd_v4_2_start(struct amdgpu_device *adev); |
| static void uvd_v4_2_stop(struct amdgpu_device *adev); |
| |
| /** |
| * uvd_v4_2_ring_get_rptr - get read pointer |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Returns the current hardware read pointer |
| */ |
| static uint32_t uvd_v4_2_ring_get_rptr(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| |
| return RREG32(mmUVD_RBC_RB_RPTR); |
| } |
| |
| /** |
| * uvd_v4_2_ring_get_wptr - get write pointer |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Returns the current hardware write pointer |
| */ |
| static uint32_t uvd_v4_2_ring_get_wptr(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| |
| return RREG32(mmUVD_RBC_RB_WPTR); |
| } |
| |
| /** |
| * uvd_v4_2_ring_set_wptr - set write pointer |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Commits the write pointer to the hardware |
| */ |
| static void uvd_v4_2_ring_set_wptr(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| |
| WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); |
| } |
| |
| static int uvd_v4_2_early_init(void *handle) |
| { |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| uvd_v4_2_set_ring_funcs(adev); |
| uvd_v4_2_set_irq_funcs(adev); |
| |
| return 0; |
| } |
| |
| static int uvd_v4_2_sw_init(void *handle) |
| { |
| struct amdgpu_ring *ring; |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| int r; |
| |
| /* UVD TRAP */ |
| r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq); |
| if (r) |
| return r; |
| |
| r = amdgpu_uvd_sw_init(adev); |
| if (r) |
| return r; |
| |
| r = amdgpu_uvd_resume(adev); |
| if (r) |
| return r; |
| |
| ring = &adev->uvd.ring; |
| sprintf(ring->name, "uvd"); |
| r = amdgpu_ring_init(adev, ring, 512, CP_PACKET2, 0xf, |
| &adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD); |
| |
| return r; |
| } |
| |
| static int uvd_v4_2_sw_fini(void *handle) |
| { |
| int r; |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| r = amdgpu_uvd_suspend(adev); |
| if (r) |
| return r; |
| |
| r = amdgpu_uvd_sw_fini(adev); |
| if (r) |
| return r; |
| |
| return r; |
| } |
| |
| /** |
| * uvd_v4_2_hw_init - start and test UVD block |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * Initialize the hardware, boot up the VCPU and do some testing |
| */ |
| static int uvd_v4_2_hw_init(void *handle) |
| { |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| struct amdgpu_ring *ring = &adev->uvd.ring; |
| uint32_t tmp; |
| int r; |
| |
| /* raise clocks while booting up the VCPU */ |
| amdgpu_asic_set_uvd_clocks(adev, 53300, 40000); |
| |
| r = uvd_v4_2_start(adev); |
| if (r) |
| goto done; |
| |
| ring->ready = true; |
| r = amdgpu_ring_test_ring(ring); |
| if (r) { |
| ring->ready = false; |
| goto done; |
| } |
| |
| r = amdgpu_ring_alloc(ring, 10); |
| if (r) { |
| DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); |
| goto done; |
| } |
| |
| tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); |
| amdgpu_ring_write(ring, tmp); |
| amdgpu_ring_write(ring, 0xFFFFF); |
| |
| tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); |
| amdgpu_ring_write(ring, tmp); |
| amdgpu_ring_write(ring, 0xFFFFF); |
| |
| tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); |
| amdgpu_ring_write(ring, tmp); |
| amdgpu_ring_write(ring, 0xFFFFF); |
| |
| /* Clear timeout status bits */ |
| amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); |
| amdgpu_ring_write(ring, 0x8); |
| |
| amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); |
| amdgpu_ring_write(ring, 3); |
| |
| amdgpu_ring_commit(ring); |
| |
| done: |
| /* lower clocks again */ |
| amdgpu_asic_set_uvd_clocks(adev, 0, 0); |
| |
| if (!r) |
| DRM_INFO("UVD initialized successfully.\n"); |
| |
| return r; |
| } |
| |
| /** |
| * uvd_v4_2_hw_fini - stop the hardware block |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * Stop the UVD block, mark ring as not ready any more |
| */ |
| static int uvd_v4_2_hw_fini(void *handle) |
| { |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| struct amdgpu_ring *ring = &adev->uvd.ring; |
| |
| uvd_v4_2_stop(adev); |
| ring->ready = false; |
| |
| return 0; |
| } |
| |
| static int uvd_v4_2_suspend(void *handle) |
| { |
| int r; |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| r = uvd_v4_2_hw_fini(adev); |
| if (r) |
| return r; |
| |
| r = amdgpu_uvd_suspend(adev); |
| if (r) |
| return r; |
| |
| return r; |
| } |
| |
| static int uvd_v4_2_resume(void *handle) |
| { |
| int r; |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| r = amdgpu_uvd_resume(adev); |
| if (r) |
| return r; |
| |
| r = uvd_v4_2_hw_init(adev); |
| if (r) |
| return r; |
| |
| return r; |
| } |
| |
| /** |
| * uvd_v4_2_start - start UVD block |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * Setup and start the UVD block |
| */ |
| static int uvd_v4_2_start(struct amdgpu_device *adev) |
| { |
| struct amdgpu_ring *ring = &adev->uvd.ring; |
| uint32_t rb_bufsz; |
| int i, j, r; |
| |
| /* disable byte swapping */ |
| u32 lmi_swap_cntl = 0; |
| u32 mp_swap_cntl = 0; |
| |
| uvd_v4_2_mc_resume(adev); |
| |
| /* disable clock gating */ |
| WREG32(mmUVD_CGC_GATE, 0); |
| |
| /* disable interupt */ |
| WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); |
| |
| /* Stall UMC and register bus before resetting VCPU */ |
| WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); |
| mdelay(1); |
| |
| /* put LMI, VCPU, RBC etc... into reset */ |
| WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | |
| UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | |
| UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | |
| UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | |
| UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); |
| mdelay(5); |
| |
| /* take UVD block out of reset */ |
| WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); |
| mdelay(5); |
| |
| /* initialize UVD memory controller */ |
| WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | |
| (1 << 21) | (1 << 9) | (1 << 20)); |
| |
| #ifdef __BIG_ENDIAN |
| /* swap (8 in 32) RB and IB */ |
| lmi_swap_cntl = 0xa; |
| mp_swap_cntl = 0; |
| #endif |
| WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); |
| WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); |
| |
| WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); |
| WREG32(mmUVD_MPC_SET_MUXA1, 0x0); |
| WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); |
| WREG32(mmUVD_MPC_SET_MUXB1, 0x0); |
| WREG32(mmUVD_MPC_SET_ALU, 0); |
| WREG32(mmUVD_MPC_SET_MUX, 0x88); |
| |
| /* take all subblocks out of reset, except VCPU */ |
| WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); |
| mdelay(5); |
| |
| /* enable VCPU clock */ |
| WREG32(mmUVD_VCPU_CNTL, 1 << 9); |
| |
| /* enable UMC */ |
| WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); |
| |
| /* boot up the VCPU */ |
| WREG32(mmUVD_SOFT_RESET, 0); |
| mdelay(10); |
| |
| for (i = 0; i < 10; ++i) { |
| uint32_t status; |
| for (j = 0; j < 100; ++j) { |
| status = RREG32(mmUVD_STATUS); |
| if (status & 2) |
| break; |
| mdelay(10); |
| } |
| r = 0; |
| if (status & 2) |
| break; |
| |
| DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); |
| WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, |
| ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); |
| mdelay(10); |
| WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); |
| mdelay(10); |
| r = -1; |
| } |
| |
| if (r) { |
| DRM_ERROR("UVD not responding, giving up!!!\n"); |
| return r; |
| } |
| |
| /* enable interupt */ |
| WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1)); |
| |
| /* force RBC into idle state */ |
| WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); |
| |
| /* Set the write pointer delay */ |
| WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); |
| |
| /* programm the 4GB memory segment for rptr and ring buffer */ |
| WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) | |
| (0x7 << 16) | (0x1 << 31)); |
| |
| /* Initialize the ring buffer's read and write pointers */ |
| WREG32(mmUVD_RBC_RB_RPTR, 0x0); |
| |
| ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); |
| WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); |
| |
| /* set the ring address */ |
| WREG32(mmUVD_RBC_RB_BASE, ring->gpu_addr); |
| |
| /* Set ring buffer size */ |
| rb_bufsz = order_base_2(ring->ring_size); |
| rb_bufsz = (0x1 << 8) | rb_bufsz; |
| WREG32_P(mmUVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f); |
| |
| return 0; |
| } |
| |
| /** |
| * uvd_v4_2_stop - stop UVD block |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * stop the UVD block |
| */ |
| static void uvd_v4_2_stop(struct amdgpu_device *adev) |
| { |
| /* force RBC into idle state */ |
| WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); |
| |
| /* Stall UMC and register bus before resetting VCPU */ |
| WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); |
| mdelay(1); |
| |
| /* put VCPU into reset */ |
| WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); |
| mdelay(5); |
| |
| /* disable VCPU clock */ |
| WREG32(mmUVD_VCPU_CNTL, 0x0); |
| |
| /* Unstall UMC and register bus */ |
| WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); |
| } |
| |
| /** |
| * uvd_v4_2_ring_emit_fence - emit an fence & trap command |
| * |
| * @ring: amdgpu_ring pointer |
| * @fence: fence to emit |
| * |
| * Write a fence and a trap command to the ring. |
| */ |
| static void uvd_v4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, |
| unsigned flags) |
| { |
| WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); |
| |
| amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); |
| amdgpu_ring_write(ring, seq); |
| amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); |
| amdgpu_ring_write(ring, addr & 0xffffffff); |
| amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); |
| amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); |
| amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); |
| amdgpu_ring_write(ring, 0); |
| |
| amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); |
| amdgpu_ring_write(ring, 0); |
| amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); |
| amdgpu_ring_write(ring, 0); |
| amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); |
| amdgpu_ring_write(ring, 2); |
| } |
| |
| /** |
| * uvd_v4_2_ring_emit_hdp_flush - emit an hdp flush |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Emits an hdp flush. |
| */ |
| static void uvd_v4_2_ring_emit_hdp_flush(struct amdgpu_ring *ring) |
| { |
| amdgpu_ring_write(ring, PACKET0(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0)); |
| amdgpu_ring_write(ring, 0); |
| } |
| |
| /** |
| * uvd_v4_2_ring_hdp_invalidate - emit an hdp invalidate |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Emits an hdp invalidate. |
| */ |
| static void uvd_v4_2_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) |
| { |
| amdgpu_ring_write(ring, PACKET0(mmHDP_DEBUG0, 0)); |
| amdgpu_ring_write(ring, 1); |
| } |
| |
| /** |
| * uvd_v4_2_ring_test_ring - register write test |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Test if we can successfully write to the context register |
| */ |
| static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| uint32_t tmp = 0; |
| unsigned i; |
| int r; |
| |
| WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); |
| r = amdgpu_ring_alloc(ring, 3); |
| if (r) { |
| DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", |
| ring->idx, r); |
| return r; |
| } |
| amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); |
| amdgpu_ring_write(ring, 0xDEADBEEF); |
| amdgpu_ring_commit(ring); |
| for (i = 0; i < adev->usec_timeout; i++) { |
| tmp = RREG32(mmUVD_CONTEXT_ID); |
| if (tmp == 0xDEADBEEF) |
| break; |
| DRM_UDELAY(1); |
| } |
| |
| if (i < adev->usec_timeout) { |
| DRM_INFO("ring test on %d succeeded in %d usecs\n", |
| ring->idx, i); |
| } else { |
| DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", |
| ring->idx, tmp); |
| r = -EINVAL; |
| } |
| return r; |
| } |
| |
| /** |
| * uvd_v4_2_ring_emit_ib - execute indirect buffer |
| * |
| * @ring: amdgpu_ring pointer |
| * @ib: indirect buffer to execute |
| * |
| * Write ring commands to execute the indirect buffer |
| */ |
| static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring, |
| struct amdgpu_ib *ib, |
| unsigned vm_id, bool ctx_switch) |
| { |
| amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_BASE, 0)); |
| amdgpu_ring_write(ring, ib->gpu_addr); |
| amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); |
| amdgpu_ring_write(ring, ib->length_dw); |
| } |
| |
| /** |
| * uvd_v4_2_ring_test_ib - test ib execution |
| * |
| * @ring: amdgpu_ring pointer |
| * |
| * Test if we can successfully execute an IB |
| */ |
| static int uvd_v4_2_ring_test_ib(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| struct fence *fence = NULL; |
| int r; |
| |
| r = amdgpu_asic_set_uvd_clocks(adev, 53300, 40000); |
| if (r) { |
| DRM_ERROR("amdgpu: failed to raise UVD clocks (%d).\n", r); |
| return r; |
| } |
| |
| r = amdgpu_uvd_get_create_msg(ring, 1, NULL); |
| if (r) { |
| DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); |
| goto error; |
| } |
| |
| r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence); |
| if (r) { |
| DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); |
| goto error; |
| } |
| |
| r = fence_wait(fence, false); |
| if (r) { |
| DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); |
| goto error; |
| } |
| DRM_INFO("ib test on ring %d succeeded\n", ring->idx); |
| error: |
| fence_put(fence); |
| amdgpu_asic_set_uvd_clocks(adev, 0, 0); |
| return r; |
| } |
| |
| /** |
| * uvd_v4_2_mc_resume - memory controller programming |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * Let the UVD memory controller know it's offsets |
| */ |
| static void uvd_v4_2_mc_resume(struct amdgpu_device *adev) |
| { |
| uint64_t addr; |
| uint32_t size; |
| |
| /* programm the VCPU memory controller bits 0-27 */ |
| addr = (adev->uvd.gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3; |
| size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4) >> 3; |
| WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr); |
| WREG32(mmUVD_VCPU_CACHE_SIZE0, size); |
| |
| addr += size; |
| size = AMDGPU_UVD_HEAP_SIZE >> 3; |
| WREG32(mmUVD_VCPU_CACHE_OFFSET1, addr); |
| WREG32(mmUVD_VCPU_CACHE_SIZE1, size); |
| |
| addr += size; |
| size = (AMDGPU_UVD_STACK_SIZE + |
| (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles)) >> 3; |
| WREG32(mmUVD_VCPU_CACHE_OFFSET2, addr); |
| WREG32(mmUVD_VCPU_CACHE_SIZE2, size); |
| |
| /* bits 28-31 */ |
| addr = (adev->uvd.gpu_addr >> 28) & 0xF; |
| WREG32(mmUVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0)); |
| |
| /* bits 32-39 */ |
| addr = (adev->uvd.gpu_addr >> 32) & 0xFF; |
| WREG32(mmUVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31)); |
| |
| WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); |
| WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); |
| WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); |
| |
| uvd_v4_2_init_cg(adev); |
| } |
| |
| static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev, |
| bool enable) |
| { |
| u32 orig, data; |
| |
| if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { |
| data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); |
| data = 0xfff; |
| WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); |
| |
| orig = data = RREG32(mmUVD_CGC_CTRL); |
| data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; |
| if (orig != data) |
| WREG32(mmUVD_CGC_CTRL, data); |
| } else { |
| data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); |
| data &= ~0xfff; |
| WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); |
| |
| orig = data = RREG32(mmUVD_CGC_CTRL); |
| data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; |
| if (orig != data) |
| WREG32(mmUVD_CGC_CTRL, data); |
| } |
| } |
| |
| static void uvd_v4_2_set_dcm(struct amdgpu_device *adev, |
| bool sw_mode) |
| { |
| u32 tmp, tmp2; |
| |
| tmp = RREG32(mmUVD_CGC_CTRL); |
| tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); |
| tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | |
| (1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT) | |
| (4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT); |
| |
| if (sw_mode) { |
| tmp &= ~0x7ffff800; |
| tmp2 = UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK | |
| UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK | |
| (7 << UVD_CGC_CTRL2__GATER_DIV_ID__SHIFT); |
| } else { |
| tmp |= 0x7ffff800; |
| tmp2 = 0; |
| } |
| |
| WREG32(mmUVD_CGC_CTRL, tmp); |
| WREG32_UVD_CTX(ixUVD_CGC_CTRL2, tmp2); |
| } |
| |
| static void uvd_v4_2_init_cg(struct amdgpu_device *adev) |
| { |
| bool hw_mode = true; |
| |
| if (hw_mode) { |
| uvd_v4_2_set_dcm(adev, false); |
| } else { |
| u32 tmp = RREG32(mmUVD_CGC_CTRL); |
| tmp &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; |
| WREG32(mmUVD_CGC_CTRL, tmp); |
| } |
| } |
| |
| static bool uvd_v4_2_is_idle(void *handle) |
| { |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); |
| } |
| |
| static int uvd_v4_2_wait_for_idle(void *handle) |
| { |
| unsigned i; |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| for (i = 0; i < adev->usec_timeout; i++) { |
| if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) |
| return 0; |
| } |
| return -ETIMEDOUT; |
| } |
| |
| static int uvd_v4_2_soft_reset(void *handle) |
| { |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| uvd_v4_2_stop(adev); |
| |
| WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, |
| ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); |
| mdelay(5); |
| |
| return uvd_v4_2_start(adev); |
| } |
| |
| static int uvd_v4_2_set_interrupt_state(struct amdgpu_device *adev, |
| struct amdgpu_irq_src *source, |
| unsigned type, |
| enum amdgpu_interrupt_state state) |
| { |
| // TODO |
| return 0; |
| } |
| |
| static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev, |
| struct amdgpu_irq_src *source, |
| struct amdgpu_iv_entry *entry) |
| { |
| DRM_DEBUG("IH: UVD TRAP\n"); |
| amdgpu_fence_process(&adev->uvd.ring); |
| return 0; |
| } |
| |
| static int uvd_v4_2_set_clockgating_state(void *handle, |
| enum amd_clockgating_state state) |
| { |
| bool gate = false; |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) |
| return 0; |
| |
| if (state == AMD_CG_STATE_GATE) |
| gate = true; |
| |
| uvd_v4_2_enable_mgcg(adev, gate); |
| |
| return 0; |
| } |
| |
| static int uvd_v4_2_set_powergating_state(void *handle, |
| enum amd_powergating_state state) |
| { |
| /* This doesn't actually powergate the UVD 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 |
| */ |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) |
| return 0; |
| |
| if (state == AMD_PG_STATE_GATE) { |
| uvd_v4_2_stop(adev); |
| return 0; |
| } else { |
| return uvd_v4_2_start(adev); |
| } |
| } |
| |
| const struct amd_ip_funcs uvd_v4_2_ip_funcs = { |
| .name = "uvd_v4_2", |
| .early_init = uvd_v4_2_early_init, |
| .late_init = NULL, |
| .sw_init = uvd_v4_2_sw_init, |
| .sw_fini = uvd_v4_2_sw_fini, |
| .hw_init = uvd_v4_2_hw_init, |
| .hw_fini = uvd_v4_2_hw_fini, |
| .suspend = uvd_v4_2_suspend, |
| .resume = uvd_v4_2_resume, |
| .is_idle = uvd_v4_2_is_idle, |
| .wait_for_idle = uvd_v4_2_wait_for_idle, |
| .soft_reset = uvd_v4_2_soft_reset, |
| .set_clockgating_state = uvd_v4_2_set_clockgating_state, |
| .set_powergating_state = uvd_v4_2_set_powergating_state, |
| }; |
| |
| static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = { |
| .get_rptr = uvd_v4_2_ring_get_rptr, |
| .get_wptr = uvd_v4_2_ring_get_wptr, |
| .set_wptr = uvd_v4_2_ring_set_wptr, |
| .parse_cs = amdgpu_uvd_ring_parse_cs, |
| .emit_ib = uvd_v4_2_ring_emit_ib, |
| .emit_fence = uvd_v4_2_ring_emit_fence, |
| .emit_hdp_flush = uvd_v4_2_ring_emit_hdp_flush, |
| .emit_hdp_invalidate = uvd_v4_2_ring_emit_hdp_invalidate, |
| .test_ring = uvd_v4_2_ring_test_ring, |
| .test_ib = uvd_v4_2_ring_test_ib, |
| .insert_nop = amdgpu_ring_insert_nop, |
| .pad_ib = amdgpu_ring_generic_pad_ib, |
| }; |
| |
| static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev) |
| { |
| adev->uvd.ring.funcs = &uvd_v4_2_ring_funcs; |
| } |
| |
| static const struct amdgpu_irq_src_funcs uvd_v4_2_irq_funcs = { |
| .set = uvd_v4_2_set_interrupt_state, |
| .process = uvd_v4_2_process_interrupt, |
| }; |
| |
| static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev) |
| { |
| adev->uvd.irq.num_types = 1; |
| adev->uvd.irq.funcs = &uvd_v4_2_irq_funcs; |
| } |