653 lines
15 KiB
C
653 lines
15 KiB
C
/*
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* Copyright 2013 Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* Authors: Christian König <christian.koenig@amd.com>
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*/
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#include <linux/firmware.h>
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#include <drm/drmP.h>
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#include "amdgpu.h"
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#include "amdgpu_vce.h"
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#include "cikd.h"
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#include "vce/vce_2_0_d.h"
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#include "vce/vce_2_0_sh_mask.h"
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#include "smu/smu_7_0_1_d.h"
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#include "smu/smu_7_0_1_sh_mask.h"
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#include "oss/oss_2_0_d.h"
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#include "oss/oss_2_0_sh_mask.h"
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#define VCE_V2_0_FW_SIZE (256 * 1024)
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#define VCE_V2_0_STACK_SIZE (64 * 1024)
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#define VCE_V2_0_DATA_SIZE (23552 * AMDGPU_MAX_VCE_HANDLES)
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#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02
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static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
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static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
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/**
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* vce_v2_0_ring_get_rptr - get read pointer
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*
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* @ring: amdgpu_ring pointer
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*
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* Returns the current hardware read pointer
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*/
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static uint64_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
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{
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struct amdgpu_device *adev = ring->adev;
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if (ring == &adev->vce.ring[0])
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return RREG32(mmVCE_RB_RPTR);
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else
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return RREG32(mmVCE_RB_RPTR2);
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}
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/**
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* vce_v2_0_ring_get_wptr - get write pointer
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*
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* @ring: amdgpu_ring pointer
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*
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* Returns the current hardware write pointer
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*/
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static uint64_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
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{
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struct amdgpu_device *adev = ring->adev;
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if (ring == &adev->vce.ring[0])
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return RREG32(mmVCE_RB_WPTR);
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else
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return RREG32(mmVCE_RB_WPTR2);
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}
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/**
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* vce_v2_0_ring_set_wptr - set write pointer
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*
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* @ring: amdgpu_ring pointer
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*
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* Commits the write pointer to the hardware
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*/
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static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
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{
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struct amdgpu_device *adev = ring->adev;
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if (ring == &adev->vce.ring[0])
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WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr));
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else
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WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr));
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}
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static int vce_v2_0_lmi_clean(struct amdgpu_device *adev)
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{
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int i, j;
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for (i = 0; i < 10; ++i) {
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for (j = 0; j < 100; ++j) {
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uint32_t status = RREG32(mmVCE_LMI_STATUS);
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if (status & 0x337f)
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return 0;
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mdelay(10);
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}
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}
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return -ETIMEDOUT;
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}
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static int vce_v2_0_firmware_loaded(struct amdgpu_device *adev)
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{
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int i, j;
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for (i = 0; i < 10; ++i) {
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for (j = 0; j < 100; ++j) {
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uint32_t status = RREG32(mmVCE_STATUS);
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if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)
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return 0;
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mdelay(10);
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}
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DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
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WREG32_P(mmVCE_SOFT_RESET,
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VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
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~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
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mdelay(10);
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WREG32_P(mmVCE_SOFT_RESET, 0,
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~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
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mdelay(10);
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}
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return -ETIMEDOUT;
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}
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static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
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{
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WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
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}
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static void vce_v2_0_init_cg(struct amdgpu_device *adev)
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{
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u32 tmp;
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tmp = RREG32(mmVCE_CLOCK_GATING_A);
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tmp &= ~0xfff;
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tmp |= ((0 << 0) | (4 << 4));
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tmp |= 0x40000;
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WREG32(mmVCE_CLOCK_GATING_A, tmp);
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tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
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tmp &= ~0xfff;
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tmp |= ((0 << 0) | (4 << 4));
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WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
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tmp = RREG32(mmVCE_CLOCK_GATING_B);
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tmp |= 0x10;
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tmp &= ~0x100000;
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WREG32(mmVCE_CLOCK_GATING_B, tmp);
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}
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static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
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{
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uint32_t size, offset;
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WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
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WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
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WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
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WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
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WREG32(mmVCE_LMI_CTRL, 0x00398000);
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WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
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WREG32(mmVCE_LMI_SWAP_CNTL, 0);
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WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
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WREG32(mmVCE_LMI_VM_CTRL, 0);
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WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
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offset = AMDGPU_VCE_FIRMWARE_OFFSET;
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size = VCE_V2_0_FW_SIZE;
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WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
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WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
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offset += size;
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size = VCE_V2_0_STACK_SIZE;
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WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
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WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
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offset += size;
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size = VCE_V2_0_DATA_SIZE;
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WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
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WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
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WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
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WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1);
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}
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static bool vce_v2_0_is_idle(void *handle)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
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}
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static int vce_v2_0_wait_for_idle(void *handle)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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unsigned i;
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for (i = 0; i < adev->usec_timeout; i++) {
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if (vce_v2_0_is_idle(handle))
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return 0;
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}
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return -ETIMEDOUT;
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}
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/**
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* vce_v2_0_start - start VCE block
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*
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* @adev: amdgpu_device pointer
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*
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* Setup and start the VCE block
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*/
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static int vce_v2_0_start(struct amdgpu_device *adev)
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{
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struct amdgpu_ring *ring;
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int r;
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/* set BUSY flag */
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WREG32_P(mmVCE_STATUS, 1, ~1);
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vce_v2_0_init_cg(adev);
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vce_v2_0_disable_cg(adev);
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vce_v2_0_mc_resume(adev);
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ring = &adev->vce.ring[0];
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WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr));
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WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr));
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WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
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WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
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WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
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ring = &adev->vce.ring[1];
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WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr));
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WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr));
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WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
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WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
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WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
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WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1);
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WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1);
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mdelay(100);
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WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0);
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r = vce_v2_0_firmware_loaded(adev);
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/* clear BUSY flag */
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WREG32_P(mmVCE_STATUS, 0, ~1);
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if (r) {
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DRM_ERROR("VCE not responding, giving up!!!\n");
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return r;
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}
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return 0;
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}
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static int vce_v2_0_stop(struct amdgpu_device *adev)
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{
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int i;
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int status;
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if (vce_v2_0_lmi_clean(adev)) {
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DRM_INFO("vce is not idle \n");
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return 0;
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}
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if (vce_v2_0_wait_for_idle(adev)) {
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DRM_INFO("VCE is busy, Can't set clock gateing");
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return 0;
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}
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/* Stall UMC and register bus before resetting VCPU */
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WREG32_P(mmVCE_LMI_CTRL2, 1 << 8, ~(1 << 8));
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for (i = 0; i < 100; ++i) {
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status = RREG32(mmVCE_LMI_STATUS);
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if (status & 0x240)
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break;
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mdelay(1);
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}
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WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x80001);
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/* put LMI, VCPU, RBC etc... into reset */
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WREG32_P(mmVCE_SOFT_RESET, 1, ~0x1);
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WREG32(mmVCE_STATUS, 0);
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return 0;
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}
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static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
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{
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u32 tmp;
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if (gated) {
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tmp = RREG32(mmVCE_CLOCK_GATING_B);
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tmp |= 0xe70000;
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WREG32(mmVCE_CLOCK_GATING_B, tmp);
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tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
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tmp |= 0xff000000;
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WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
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tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
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tmp &= ~0x3fc;
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WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
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WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
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} else {
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tmp = RREG32(mmVCE_CLOCK_GATING_B);
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tmp |= 0xe7;
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tmp &= ~0xe70000;
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WREG32(mmVCE_CLOCK_GATING_B, tmp);
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tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
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tmp |= 0x1fe000;
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tmp &= ~0xff000000;
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WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
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tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
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tmp |= 0x3fc;
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WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
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}
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}
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static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
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{
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u32 orig, tmp;
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/* LMI_MC/LMI_UMC always set in dynamic,
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* set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {0, 0}
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*/
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tmp = RREG32(mmVCE_CLOCK_GATING_B);
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tmp &= ~0x00060006;
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/* Exception for ECPU, IH, SEM, SYS blocks needs to be turned on/off by SW */
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if (gated) {
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tmp |= 0xe10000;
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WREG32(mmVCE_CLOCK_GATING_B, tmp);
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} else {
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tmp |= 0xe1;
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tmp &= ~0xe10000;
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WREG32(mmVCE_CLOCK_GATING_B, tmp);
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}
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orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
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tmp &= ~0x1fe000;
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tmp &= ~0xff000000;
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if (tmp != orig)
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WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
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orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
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tmp &= ~0x3fc;
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if (tmp != orig)
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WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
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/* set VCE_UENC_REG_CLOCK_GATING always in dynamic mode */
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WREG32(mmVCE_UENC_REG_CLOCK_GATING, 0x00);
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if(gated)
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WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
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}
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static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable,
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bool sw_cg)
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{
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if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) {
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if (sw_cg)
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vce_v2_0_set_sw_cg(adev, true);
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else
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vce_v2_0_set_dyn_cg(adev, true);
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} else {
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vce_v2_0_disable_cg(adev);
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if (sw_cg)
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vce_v2_0_set_sw_cg(adev, false);
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else
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vce_v2_0_set_dyn_cg(adev, false);
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}
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}
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static int vce_v2_0_early_init(void *handle)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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adev->vce.num_rings = 2;
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vce_v2_0_set_ring_funcs(adev);
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vce_v2_0_set_irq_funcs(adev);
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return 0;
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}
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static int vce_v2_0_sw_init(void *handle)
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{
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struct amdgpu_ring *ring;
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int r, i;
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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/* VCE */
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r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 167, &adev->vce.irq);
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if (r)
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return r;
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r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
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VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
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if (r)
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return r;
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r = amdgpu_vce_resume(adev);
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if (r)
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return r;
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for (i = 0; i < adev->vce.num_rings; i++) {
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ring = &adev->vce.ring[i];
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sprintf(ring->name, "vce%d", i);
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r = amdgpu_ring_init(adev, ring, 512,
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&adev->vce.irq, 0);
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if (r)
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return r;
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}
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return r;
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}
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static int vce_v2_0_sw_fini(void *handle)
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{
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int r;
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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r = amdgpu_vce_suspend(adev);
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if (r)
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return r;
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return amdgpu_vce_sw_fini(adev);
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}
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static int vce_v2_0_hw_init(void *handle)
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{
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int r, i;
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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amdgpu_asic_set_vce_clocks(adev, 10000, 10000);
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vce_v2_0_enable_mgcg(adev, true, false);
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for (i = 0; i < adev->vce.num_rings; i++)
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adev->vce.ring[i].ready = false;
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for (i = 0; i < adev->vce.num_rings; i++) {
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r = amdgpu_ring_test_ring(&adev->vce.ring[i]);
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if (r)
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return r;
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else
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adev->vce.ring[i].ready = true;
|
|
}
|
|
|
|
DRM_INFO("VCE initialized successfully.\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vce_v2_0_hw_fini(void *handle)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int vce_v2_0_suspend(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
r = vce_v2_0_hw_fini(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
return amdgpu_vce_suspend(adev);
|
|
}
|
|
|
|
static int vce_v2_0_resume(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
r = amdgpu_vce_resume(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
return vce_v2_0_hw_init(adev);
|
|
}
|
|
|
|
static int vce_v2_0_soft_reset(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
WREG32_FIELD(SRBM_SOFT_RESET, SOFT_RESET_VCE, 1);
|
|
mdelay(5);
|
|
|
|
return vce_v2_0_start(adev);
|
|
}
|
|
|
|
static int vce_v2_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_v2_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[0]) {
|
|
case 0:
|
|
case 1:
|
|
amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]);
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unhandled interrupt: %d %d\n",
|
|
entry->src_id, entry->src_data[0]);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vce_v2_0_set_clockgating_state(void *handle,
|
|
enum amd_clockgating_state state)
|
|
{
|
|
bool gate = false;
|
|
bool sw_cg = false;
|
|
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (state == AMD_CG_STATE_GATE) {
|
|
gate = true;
|
|
sw_cg = true;
|
|
}
|
|
|
|
vce_v2_0_enable_mgcg(adev, gate, sw_cg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vce_v2_0_set_powergating_state(void *handle,
|
|
enum amd_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
|
|
*/
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (state == AMD_PG_STATE_GATE)
|
|
return vce_v2_0_stop(adev);
|
|
else
|
|
return vce_v2_0_start(adev);
|
|
}
|
|
|
|
static const struct amd_ip_funcs vce_v2_0_ip_funcs = {
|
|
.name = "vce_v2_0",
|
|
.early_init = vce_v2_0_early_init,
|
|
.late_init = NULL,
|
|
.sw_init = vce_v2_0_sw_init,
|
|
.sw_fini = vce_v2_0_sw_fini,
|
|
.hw_init = vce_v2_0_hw_init,
|
|
.hw_fini = vce_v2_0_hw_fini,
|
|
.suspend = vce_v2_0_suspend,
|
|
.resume = vce_v2_0_resume,
|
|
.is_idle = vce_v2_0_is_idle,
|
|
.wait_for_idle = vce_v2_0_wait_for_idle,
|
|
.soft_reset = vce_v2_0_soft_reset,
|
|
.set_clockgating_state = vce_v2_0_set_clockgating_state,
|
|
.set_powergating_state = vce_v2_0_set_powergating_state,
|
|
};
|
|
|
|
static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
|
|
.type = AMDGPU_RING_TYPE_VCE,
|
|
.align_mask = 0xf,
|
|
.nop = VCE_CMD_NO_OP,
|
|
.support_64bit_ptrs = false,
|
|
.get_rptr = vce_v2_0_ring_get_rptr,
|
|
.get_wptr = vce_v2_0_ring_get_wptr,
|
|
.set_wptr = vce_v2_0_ring_set_wptr,
|
|
.parse_cs = amdgpu_vce_ring_parse_cs,
|
|
.emit_frame_size = 6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
|
|
.emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
|
|
.emit_ib = amdgpu_vce_ring_emit_ib,
|
|
.emit_fence = amdgpu_vce_ring_emit_fence,
|
|
.test_ring = amdgpu_vce_ring_test_ring,
|
|
.test_ib = amdgpu_vce_ring_test_ib,
|
|
.insert_nop = amdgpu_ring_insert_nop,
|
|
.pad_ib = amdgpu_ring_generic_pad_ib,
|
|
.begin_use = amdgpu_vce_ring_begin_use,
|
|
.end_use = amdgpu_vce_ring_end_use,
|
|
};
|
|
|
|
static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < adev->vce.num_rings; i++)
|
|
adev->vce.ring[i].funcs = &vce_v2_0_ring_funcs;
|
|
}
|
|
|
|
static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
|
|
.set = vce_v2_0_set_interrupt_state,
|
|
.process = vce_v2_0_process_interrupt,
|
|
};
|
|
|
|
static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
|
|
{
|
|
adev->vce.irq.num_types = 1;
|
|
adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
|
|
};
|
|
|
|
const struct amdgpu_ip_block_version vce_v2_0_ip_block =
|
|
{
|
|
.type = AMD_IP_BLOCK_TYPE_VCE,
|
|
.major = 2,
|
|
.minor = 0,
|
|
.rev = 0,
|
|
.funcs = &vce_v2_0_ip_funcs,
|
|
};
|