385 lines
8.9 KiB
C
385 lines
8.9 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 "radeon.h"
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#include "radeon_asic.h"
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#include "sid.h"
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#include "vce.h"
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#define VCE_V1_0_FW_SIZE (256 * 1024)
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#define VCE_V1_0_STACK_SIZE (64 * 1024)
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#define VCE_V1_0_DATA_SIZE (7808 * (RADEON_MAX_VCE_HANDLES + 1))
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struct vce_v1_0_fw_signature
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{
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int32_t off;
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uint32_t len;
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int32_t num;
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struct {
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uint32_t chip_id;
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uint32_t keyselect;
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uint32_t nonce[4];
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uint32_t sigval[4];
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} val[8];
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};
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/**
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* vce_v1_0_get_rptr - get read pointer
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*
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* @rdev: radeon_device pointer
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* @ring: radeon_ring pointer
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*
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* Returns the current hardware read pointer
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*/
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uint32_t vce_v1_0_get_rptr(struct radeon_device *rdev,
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struct radeon_ring *ring)
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{
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if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
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return RREG32(VCE_RB_RPTR);
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else
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return RREG32(VCE_RB_RPTR2);
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}
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/**
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* vce_v1_0_get_wptr - get write pointer
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*
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* @rdev: radeon_device pointer
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* @ring: radeon_ring pointer
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*
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* Returns the current hardware write pointer
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*/
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uint32_t vce_v1_0_get_wptr(struct radeon_device *rdev,
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struct radeon_ring *ring)
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{
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if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
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return RREG32(VCE_RB_WPTR);
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else
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return RREG32(VCE_RB_WPTR2);
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}
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/**
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* vce_v1_0_set_wptr - set write pointer
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*
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* @rdev: radeon_device pointer
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* @ring: radeon_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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void vce_v1_0_set_wptr(struct radeon_device *rdev,
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struct radeon_ring *ring)
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{
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if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
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WREG32(VCE_RB_WPTR, ring->wptr);
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else
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WREG32(VCE_RB_WPTR2, ring->wptr);
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}
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void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable)
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{
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u32 tmp;
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if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_VCE_MGCG)) {
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tmp = RREG32(VCE_CLOCK_GATING_A);
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tmp |= CGC_DYN_CLOCK_MODE;
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WREG32(VCE_CLOCK_GATING_A, tmp);
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tmp = RREG32(VCE_UENC_CLOCK_GATING);
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tmp &= ~0x1ff000;
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tmp |= 0xff800000;
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WREG32(VCE_UENC_CLOCK_GATING, tmp);
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tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
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tmp &= ~0x3ff;
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WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
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} else {
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tmp = RREG32(VCE_CLOCK_GATING_A);
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tmp &= ~CGC_DYN_CLOCK_MODE;
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WREG32(VCE_CLOCK_GATING_A, tmp);
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tmp = RREG32(VCE_UENC_CLOCK_GATING);
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tmp |= 0x1ff000;
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tmp &= ~0xff800000;
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WREG32(VCE_UENC_CLOCK_GATING, tmp);
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tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
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tmp |= 0x3ff;
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WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
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}
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}
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static void vce_v1_0_init_cg(struct radeon_device *rdev)
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{
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u32 tmp;
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tmp = RREG32(VCE_CLOCK_GATING_A);
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tmp |= CGC_DYN_CLOCK_MODE;
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WREG32(VCE_CLOCK_GATING_A, tmp);
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tmp = RREG32(VCE_CLOCK_GATING_B);
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tmp |= 0x1e;
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tmp &= ~0xe100e1;
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WREG32(VCE_CLOCK_GATING_B, tmp);
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tmp = RREG32(VCE_UENC_CLOCK_GATING);
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tmp &= ~0xff9ff000;
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WREG32(VCE_UENC_CLOCK_GATING, tmp);
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tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
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tmp &= ~0x3ff;
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WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
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}
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int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
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{
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struct vce_v1_0_fw_signature *sign = (void*)rdev->vce_fw->data;
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uint32_t chip_id;
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int i;
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switch (rdev->family) {
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case CHIP_TAHITI:
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chip_id = 0x01000014;
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break;
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case CHIP_VERDE:
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chip_id = 0x01000015;
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break;
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case CHIP_PITCAIRN:
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chip_id = 0x01000016;
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break;
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case CHIP_ARUBA:
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chip_id = 0x01000017;
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break;
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default:
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return -EINVAL;
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}
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for (i = 0; i < le32_to_cpu(sign->num); ++i) {
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if (le32_to_cpu(sign->val[i].chip_id) == chip_id)
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break;
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}
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if (i == le32_to_cpu(sign->num))
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return -EINVAL;
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data += (256 - 64) / 4;
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data[0] = sign->val[i].nonce[0];
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data[1] = sign->val[i].nonce[1];
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data[2] = sign->val[i].nonce[2];
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data[3] = sign->val[i].nonce[3];
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data[4] = cpu_to_le32(le32_to_cpu(sign->len) + 64);
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memset(&data[5], 0, 44);
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memcpy(&data[16], &sign[1], rdev->vce_fw->size - sizeof(*sign));
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data += (le32_to_cpu(sign->len) + 64) / 4;
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data[0] = sign->val[i].sigval[0];
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data[1] = sign->val[i].sigval[1];
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data[2] = sign->val[i].sigval[2];
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data[3] = sign->val[i].sigval[3];
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rdev->vce.keyselect = le32_to_cpu(sign->val[i].keyselect);
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return 0;
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}
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unsigned vce_v1_0_bo_size(struct radeon_device *rdev)
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{
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WARN_ON(VCE_V1_0_FW_SIZE < rdev->vce_fw->size);
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return VCE_V1_0_FW_SIZE + VCE_V1_0_STACK_SIZE + VCE_V1_0_DATA_SIZE;
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}
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int vce_v1_0_resume(struct radeon_device *rdev)
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{
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uint64_t addr = rdev->vce.gpu_addr;
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uint32_t size;
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int i;
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WREG32_P(VCE_CLOCK_GATING_A, 0, ~(1 << 16));
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WREG32_P(VCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
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WREG32_P(VCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
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WREG32(VCE_CLOCK_GATING_B, 0);
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WREG32_P(VCE_LMI_FW_PERIODIC_CTRL, 0x4, ~0x4);
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WREG32(VCE_LMI_CTRL, 0x00398000);
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WREG32_P(VCE_LMI_CACHE_CTRL, 0x0, ~0x1);
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WREG32(VCE_LMI_SWAP_CNTL, 0);
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WREG32(VCE_LMI_SWAP_CNTL1, 0);
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WREG32(VCE_LMI_VM_CTRL, 0);
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WREG32(VCE_VCPU_SCRATCH7, RADEON_MAX_VCE_HANDLES);
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addr += 256;
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size = VCE_V1_0_FW_SIZE;
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WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
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WREG32(VCE_VCPU_CACHE_SIZE0, size);
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addr += size;
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size = VCE_V1_0_STACK_SIZE;
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WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
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WREG32(VCE_VCPU_CACHE_SIZE1, size);
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addr += size;
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size = VCE_V1_0_DATA_SIZE;
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WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
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WREG32(VCE_VCPU_CACHE_SIZE2, size);
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WREG32_P(VCE_LMI_CTRL2, 0x0, ~0x100);
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WREG32(VCE_LMI_FW_START_KEYSEL, rdev->vce.keyselect);
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for (i = 0; i < 10; ++i) {
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mdelay(10);
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if (RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_DONE)
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break;
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}
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if (i == 10)
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return -ETIMEDOUT;
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if (!(RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_PASS))
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return -EINVAL;
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for (i = 0; i < 10; ++i) {
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mdelay(10);
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if (!(RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_BUSY))
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break;
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}
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if (i == 10)
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return -ETIMEDOUT;
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vce_v1_0_init_cg(rdev);
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return 0;
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}
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/**
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* vce_v1_0_start - start VCE block
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*
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* @rdev: radeon_device pointer
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*
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* Setup and start the VCE block
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*/
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int vce_v1_0_start(struct radeon_device *rdev)
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{
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struct radeon_ring *ring;
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int i, j, r;
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/* set BUSY flag */
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WREG32_P(VCE_STATUS, 1, ~1);
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ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
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WREG32(VCE_RB_RPTR, ring->wptr);
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WREG32(VCE_RB_WPTR, ring->wptr);
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WREG32(VCE_RB_BASE_LO, ring->gpu_addr);
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WREG32(VCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
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WREG32(VCE_RB_SIZE, ring->ring_size / 4);
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ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
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WREG32(VCE_RB_RPTR2, ring->wptr);
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WREG32(VCE_RB_WPTR2, ring->wptr);
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WREG32(VCE_RB_BASE_LO2, ring->gpu_addr);
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WREG32(VCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
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WREG32(VCE_RB_SIZE2, ring->ring_size / 4);
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WREG32_P(VCE_VCPU_CNTL, VCE_CLK_EN, ~VCE_CLK_EN);
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WREG32_P(VCE_SOFT_RESET,
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VCE_ECPU_SOFT_RESET |
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VCE_FME_SOFT_RESET, ~(
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VCE_ECPU_SOFT_RESET |
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VCE_FME_SOFT_RESET));
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mdelay(100);
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WREG32_P(VCE_SOFT_RESET, 0, ~(
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VCE_ECPU_SOFT_RESET |
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VCE_FME_SOFT_RESET));
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for (i = 0; i < 10; ++i) {
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uint32_t status;
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for (j = 0; j < 100; ++j) {
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status = RREG32(VCE_STATUS);
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if (status & 2)
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break;
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mdelay(10);
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}
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r = 0;
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if (status & 2)
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break;
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DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
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WREG32_P(VCE_SOFT_RESET, VCE_ECPU_SOFT_RESET, ~VCE_ECPU_SOFT_RESET);
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mdelay(10);
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WREG32_P(VCE_SOFT_RESET, 0, ~VCE_ECPU_SOFT_RESET);
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mdelay(10);
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r = -1;
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}
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/* clear BUSY flag */
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WREG32_P(VCE_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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int vce_v1_0_init(struct radeon_device *rdev)
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{
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struct radeon_ring *ring;
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int r;
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r = vce_v1_0_start(rdev);
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if (r)
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return r;
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ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
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ring->ready = true;
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r = radeon_ring_test(rdev, TN_RING_TYPE_VCE1_INDEX, ring);
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if (r) {
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ring->ready = false;
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return r;
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}
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ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
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ring->ready = true;
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r = radeon_ring_test(rdev, TN_RING_TYPE_VCE2_INDEX, ring);
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if (r) {
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ring->ready = false;
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return r;
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}
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DRM_INFO("VCE initialized successfully.\n");
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return 0;
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}
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