OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

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/*
* Copyright 2014 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 "vid.h"
#include "uvd/uvd_6_0_d.h"
#include "uvd/uvd_6_0_sh_mask.h"
#include "oss/oss_2_0_d.h"
#include "oss/oss_2_0_sh_mask.h"
static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev);
static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev);
static int uvd_v6_0_start(struct amdgpu_device *adev);
static void uvd_v6_0_stop(struct amdgpu_device *adev);
/**
* uvd_v6_0_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint32_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_RPTR);
}
/**
* uvd_v6_0_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint32_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_WPTR);
}
/**
* uvd_v6_0_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void uvd_v6_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
}
static int uvd_v6_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
uvd_v6_0_set_ring_funcs(adev);
uvd_v6_0_set_irq_funcs(adev);
return 0;
}
static int uvd_v6_0_sw_init(void *handle)
{
struct amdgpu_ring *ring;
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* 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, 4096, CP_PACKET2, 0xf,
&adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
return r;
}
static int uvd_v6_0_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_v6_0_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_v6_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.ring;
uint32_t tmp;
int r;
r = uvd_v6_0_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:
if (!r)
DRM_INFO("UVD initialized successfully.\n");
return r;
}
/**
* uvd_v6_0_hw_fini - stop the hardware block
*
* @adev: amdgpu_device pointer
*
* Stop the UVD block, mark ring as not ready any more
*/
static int uvd_v6_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.ring;
uvd_v6_0_stop(adev);
ring->ready = false;
return 0;
}
static int uvd_v6_0_suspend(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* Skip this for APU for now */
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_uvd_suspend(adev);
if (r)
return r;
}
r = uvd_v6_0_hw_fini(adev);
if (r)
return r;
return r;
}
static int uvd_v6_0_resume(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* Skip this for APU for now */
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_uvd_resume(adev);
if (r)
return r;
}
r = uvd_v6_0_hw_init(adev);
if (r)
return r;
return r;
}
/**
* uvd_v6_0_mc_resume - memory controller programming
*
* @adev: amdgpu_device pointer
*
* Let the UVD memory controller know it's offsets
*/
static void uvd_v6_0_mc_resume(struct amdgpu_device *adev)
{
uint64_t offset;
uint32_t size;
/* programm memory controller bits 0-27 */
WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
lower_32_bits(adev->uvd.gpu_addr));
WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
upper_32_bits(adev->uvd.gpu_addr));
offset = AMDGPU_UVD_FIRMWARE_OFFSET;
size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4);
WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
offset += size;
size = AMDGPU_UVD_STACK_SIZE;
WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
offset += size;
size = AMDGPU_UVD_HEAP_SIZE;
WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
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);
}
static void cz_set_uvd_clock_gating_branches(struct amdgpu_device *adev,
bool enable)
{
u32 data, data1;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
if (enable) {
data |= UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK;
data1 |= UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK |
UVD_SUVD_CGC_GATE__SRE_H264_MASK |
UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |
UVD_SUVD_CGC_GATE__SIT_H264_MASK |
UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |
UVD_SUVD_CGC_GATE__SCM_H264_MASK |
UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |
UVD_SUVD_CGC_GATE__SDB_H264_MASK |
UVD_SUVD_CGC_GATE__SDB_HEVC_MASK;
} else {
data &= ~(UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__LMI_UMC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK);
data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK |
UVD_SUVD_CGC_GATE__SRE_H264_MASK |
UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |
UVD_SUVD_CGC_GATE__SIT_H264_MASK |
UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |
UVD_SUVD_CGC_GATE__SCM_H264_MASK |
UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |
UVD_SUVD_CGC_GATE__SDB_H264_MASK |
UVD_SUVD_CGC_GATE__SDB_HEVC_MASK);
}
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
static void tonga_set_uvd_clock_gating_branches(struct amdgpu_device *adev,
bool enable)
{
u32 data, data1;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
if (enable) {
data |= UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK;
data1 |= UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK;
} else {
data &= ~(UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__LMI_UMC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK);
data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK);
}
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
static void uvd_v6_0_set_uvd_dynamic_clock_mode(struct amdgpu_device *adev,
bool swmode)
{
u32 data, data1 = 0, data2;
/* Always un-gate UVD REGS bit */
data = RREG32(mmUVD_CGC_GATE);
data &= ~(UVD_CGC_GATE__REGS_MASK);
WREG32(mmUVD_CGC_GATE, data);
data = RREG32(mmUVD_CGC_CTRL);
data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK |
UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER) |
4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY);
data2 = RREG32(mmUVD_SUVD_CGC_CTRL);
if (swmode) {
data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
UVD_CGC_CTRL__SYS_MODE_MASK |
UVD_CGC_CTRL__UDEC_MODE_MASK |
UVD_CGC_CTRL__MPEG2_MODE_MASK |
UVD_CGC_CTRL__REGS_MODE_MASK |
UVD_CGC_CTRL__RBC_MODE_MASK |
UVD_CGC_CTRL__LMI_MC_MODE_MASK |
UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
UVD_CGC_CTRL__IDCT_MODE_MASK |
UVD_CGC_CTRL__MPRD_MODE_MASK |
UVD_CGC_CTRL__MPC_MODE_MASK |
UVD_CGC_CTRL__LBSI_MODE_MASK |
UVD_CGC_CTRL__LRBBM_MODE_MASK |
UVD_CGC_CTRL__WCB_MODE_MASK |
UVD_CGC_CTRL__VCPU_MODE_MASK |
UVD_CGC_CTRL__JPEG_MODE_MASK |
UVD_CGC_CTRL__SCPU_MODE_MASK);
data1 |= UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK |
UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK;
data1 &= ~UVD_CGC_CTRL2__GATER_DIV_ID_MASK;
data1 |= 7 << REG_FIELD_SHIFT(UVD_CGC_CTRL2, GATER_DIV_ID);
data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK |
UVD_SUVD_CGC_CTRL__SIT_MODE_MASK |
UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |
UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |
UVD_SUVD_CGC_CTRL__SDB_MODE_MASK);
} else {
data |= UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
UVD_CGC_CTRL__SYS_MODE_MASK |
UVD_CGC_CTRL__UDEC_MODE_MASK |
UVD_CGC_CTRL__MPEG2_MODE_MASK |
UVD_CGC_CTRL__REGS_MODE_MASK |
UVD_CGC_CTRL__RBC_MODE_MASK |
UVD_CGC_CTRL__LMI_MC_MODE_MASK |
UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
UVD_CGC_CTRL__IDCT_MODE_MASK |
UVD_CGC_CTRL__MPRD_MODE_MASK |
UVD_CGC_CTRL__MPC_MODE_MASK |
UVD_CGC_CTRL__LBSI_MODE_MASK |
UVD_CGC_CTRL__LRBBM_MODE_MASK |
UVD_CGC_CTRL__WCB_MODE_MASK |
UVD_CGC_CTRL__VCPU_MODE_MASK |
UVD_CGC_CTRL__SCPU_MODE_MASK;
data2 |= UVD_SUVD_CGC_CTRL__SRE_MODE_MASK |
UVD_SUVD_CGC_CTRL__SIT_MODE_MASK |
UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |
UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |
UVD_SUVD_CGC_CTRL__SDB_MODE_MASK;
}
WREG32(mmUVD_CGC_CTRL, data);
WREG32(mmUVD_SUVD_CGC_CTRL, data2);
data = RREG32_UVD_CTX(ixUVD_CGC_CTRL2);
data &= ~(REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_OCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_RCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, GATER_DIV_ID));
data1 &= (REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_OCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, DYN_RCLK_RAMP_EN) |
REG_FIELD_MASK(UVD_CGC_CTRL2, GATER_DIV_ID));
data |= data1;
WREG32_UVD_CTX(ixUVD_CGC_CTRL2, data);
}
/**
* uvd_v6_0_start - start UVD block
*
* @adev: amdgpu_device pointer
*
* Setup and start the UVD block
*/
static int uvd_v6_0_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->uvd.ring;
uint32_t rb_bufsz, tmp;
uint32_t lmi_swap_cntl;
uint32_t mp_swap_cntl;
int i, j, r;
/*disable DPG */
WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2));
/* disable byte swapping */
lmi_swap_cntl = 0;
mp_swap_cntl = 0;
uvd_v6_0_mc_resume(adev);
/* Set dynamic clock gating in S/W control mode */
if (adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG) {
if (adev->flags & AMD_IS_APU)
cz_set_uvd_clock_gating_branches(adev, false);
else
tonga_set_uvd_clock_gating_branches(adev, false);
uvd_v6_0_set_uvd_dynamic_clock_mode(adev, true);
} else {
/* disable clock gating */
uint32_t data = RREG32(mmUVD_CGC_CTRL);
data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
WREG32(mmUVD_CGC_CTRL, data);
}
/* 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 master interrupt */
WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1));
/* clear the bit 4 of UVD_STATUS */
WREG32_P(mmUVD_STATUS, 0, ~(2 << 1));
rb_bufsz = order_base_2(ring->ring_size);
tmp = 0;
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
/* force RBC into idle state */
WREG32(mmUVD_RBC_RB_CNTL, tmp);
/* set the write pointer delay */
WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
/* set the wb address */
WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2));
/* programm the RB_BASE for ring buffer */
WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
upper_32_bits(ring->gpu_addr));
/* Initialize the ring buffer's read and write pointers */
WREG32(mmUVD_RBC_RB_RPTR, 0);
ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
return 0;
}
/**
* uvd_v6_0_stop - stop UVD block
*
* @adev: amdgpu_device pointer
*
* stop the UVD block
*/
static void uvd_v6_0_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_v6_0_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_v6_0_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_v6_0_ring_test_ring - register write test
*
* @ring: amdgpu_ring pointer
*
* Test if we can successfully write to the context register
*/
static int uvd_v6_0_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_v6_0_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_v6_0_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_ib *ib)
{
amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0));
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
amdgpu_ring_write(ring, ib->length_dw);
}
/**
* uvd_v6_0_ring_test_ib - test ib execution
*
* @ring: amdgpu_ring pointer
*
* Test if we can successfully execute an IB
*/
static int uvd_v6_0_ring_test_ib(struct amdgpu_ring *ring)
{
struct fence *fence = NULL;
int 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);
return r;
}
static bool uvd_v6_0_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
}
static int uvd_v6_0_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_v6_0_soft_reset(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
uvd_v6_0_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_v6_0_start(adev);
}
static void uvd_v6_0_print_status(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
dev_info(adev->dev, "UVD 6.0 registers\n");
dev_info(adev->dev, " UVD_SEMA_ADDR_LOW=0x%08X\n",
RREG32(mmUVD_SEMA_ADDR_LOW));
dev_info(adev->dev, " UVD_SEMA_ADDR_HIGH=0x%08X\n",
RREG32(mmUVD_SEMA_ADDR_HIGH));
dev_info(adev->dev, " UVD_SEMA_CMD=0x%08X\n",
RREG32(mmUVD_SEMA_CMD));
dev_info(adev->dev, " UVD_GPCOM_VCPU_CMD=0x%08X\n",
RREG32(mmUVD_GPCOM_VCPU_CMD));
dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA0=0x%08X\n",
RREG32(mmUVD_GPCOM_VCPU_DATA0));
dev_info(adev->dev, " UVD_GPCOM_VCPU_DATA1=0x%08X\n",
RREG32(mmUVD_GPCOM_VCPU_DATA1));
dev_info(adev->dev, " UVD_ENGINE_CNTL=0x%08X\n",
RREG32(mmUVD_ENGINE_CNTL));
dev_info(adev->dev, " UVD_UDEC_ADDR_CONFIG=0x%08X\n",
RREG32(mmUVD_UDEC_ADDR_CONFIG));
dev_info(adev->dev, " UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n",
RREG32(mmUVD_UDEC_DB_ADDR_CONFIG));
dev_info(adev->dev, " UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n",
RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG));
dev_info(adev->dev, " UVD_SEMA_CNTL=0x%08X\n",
RREG32(mmUVD_SEMA_CNTL));
dev_info(adev->dev, " UVD_LMI_EXT40_ADDR=0x%08X\n",
RREG32(mmUVD_LMI_EXT40_ADDR));
dev_info(adev->dev, " UVD_CTX_INDEX=0x%08X\n",
RREG32(mmUVD_CTX_INDEX));
dev_info(adev->dev, " UVD_CTX_DATA=0x%08X\n",
RREG32(mmUVD_CTX_DATA));
dev_info(adev->dev, " UVD_CGC_GATE=0x%08X\n",
RREG32(mmUVD_CGC_GATE));
dev_info(adev->dev, " UVD_CGC_CTRL=0x%08X\n",
RREG32(mmUVD_CGC_CTRL));
dev_info(adev->dev, " UVD_LMI_CTRL2=0x%08X\n",
RREG32(mmUVD_LMI_CTRL2));
dev_info(adev->dev, " UVD_MASTINT_EN=0x%08X\n",
RREG32(mmUVD_MASTINT_EN));
dev_info(adev->dev, " UVD_LMI_ADDR_EXT=0x%08X\n",
RREG32(mmUVD_LMI_ADDR_EXT));
dev_info(adev->dev, " UVD_LMI_CTRL=0x%08X\n",
RREG32(mmUVD_LMI_CTRL));
dev_info(adev->dev, " UVD_LMI_SWAP_CNTL=0x%08X\n",
RREG32(mmUVD_LMI_SWAP_CNTL));
dev_info(adev->dev, " UVD_MP_SWAP_CNTL=0x%08X\n",
RREG32(mmUVD_MP_SWAP_CNTL));
dev_info(adev->dev, " UVD_MPC_SET_MUXA0=0x%08X\n",
RREG32(mmUVD_MPC_SET_MUXA0));
dev_info(adev->dev, " UVD_MPC_SET_MUXA1=0x%08X\n",
RREG32(mmUVD_MPC_SET_MUXA1));
dev_info(adev->dev, " UVD_MPC_SET_MUXB0=0x%08X\n",
RREG32(mmUVD_MPC_SET_MUXB0));
dev_info(adev->dev, " UVD_MPC_SET_MUXB1=0x%08X\n",
RREG32(mmUVD_MPC_SET_MUXB1));
dev_info(adev->dev, " UVD_MPC_SET_MUX=0x%08X\n",
RREG32(mmUVD_MPC_SET_MUX));
dev_info(adev->dev, " UVD_MPC_SET_ALU=0x%08X\n",
RREG32(mmUVD_MPC_SET_ALU));
dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET0=0x%08X\n",
RREG32(mmUVD_VCPU_CACHE_OFFSET0));
dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE0=0x%08X\n",
RREG32(mmUVD_VCPU_CACHE_SIZE0));
dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET1=0x%08X\n",
RREG32(mmUVD_VCPU_CACHE_OFFSET1));
dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE1=0x%08X\n",
RREG32(mmUVD_VCPU_CACHE_SIZE1));
dev_info(adev->dev, " UVD_VCPU_CACHE_OFFSET2=0x%08X\n",
RREG32(mmUVD_VCPU_CACHE_OFFSET2));
dev_info(adev->dev, " UVD_VCPU_CACHE_SIZE2=0x%08X\n",
RREG32(mmUVD_VCPU_CACHE_SIZE2));
dev_info(adev->dev, " UVD_VCPU_CNTL=0x%08X\n",
RREG32(mmUVD_VCPU_CNTL));
dev_info(adev->dev, " UVD_SOFT_RESET=0x%08X\n",
RREG32(mmUVD_SOFT_RESET));
dev_info(adev->dev, " UVD_RBC_IB_SIZE=0x%08X\n",
RREG32(mmUVD_RBC_IB_SIZE));
dev_info(adev->dev, " UVD_RBC_RB_RPTR=0x%08X\n",
RREG32(mmUVD_RBC_RB_RPTR));
dev_info(adev->dev, " UVD_RBC_RB_WPTR=0x%08X\n",
RREG32(mmUVD_RBC_RB_WPTR));
dev_info(adev->dev, " UVD_RBC_RB_WPTR_CNTL=0x%08X\n",
RREG32(mmUVD_RBC_RB_WPTR_CNTL));
dev_info(adev->dev, " UVD_RBC_RB_CNTL=0x%08X\n",
RREG32(mmUVD_RBC_RB_CNTL));
dev_info(adev->dev, " UVD_STATUS=0x%08X\n",
RREG32(mmUVD_STATUS));
dev_info(adev->dev, " UVD_SEMA_TIMEOUT_STATUS=0x%08X\n",
RREG32(mmUVD_SEMA_TIMEOUT_STATUS));
dev_info(adev->dev, " UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n",
RREG32(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL));
dev_info(adev->dev, " UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL=0x%08X\n",
RREG32(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL));
dev_info(adev->dev, " UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL=0x%08X\n",
RREG32(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL));
dev_info(adev->dev, " UVD_CONTEXT_ID=0x%08X\n",
RREG32(mmUVD_CONTEXT_ID));
dev_info(adev->dev, " UVD_UDEC_ADDR_CONFIG=0x%08X\n",
RREG32(mmUVD_UDEC_ADDR_CONFIG));
dev_info(adev->dev, " UVD_UDEC_DB_ADDR_CONFIG=0x%08X\n",
RREG32(mmUVD_UDEC_DB_ADDR_CONFIG));
dev_info(adev->dev, " UVD_UDEC_DBW_ADDR_CONFIG=0x%08X\n",
RREG32(mmUVD_UDEC_DBW_ADDR_CONFIG));
}
static int uvd_v6_0_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_v6_0_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_v6_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG))
return 0;
if (enable) {
if (adev->flags & AMD_IS_APU)
cz_set_uvd_clock_gating_branches(adev, enable);
else
tonga_set_uvd_clock_gating_branches(adev, enable);
uvd_v6_0_set_uvd_dynamic_clock_mode(adev, true);
} else {
uint32_t data = RREG32(mmUVD_CGC_CTRL);
data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
WREG32(mmUVD_CGC_CTRL, data);
}
return 0;
}
static int uvd_v6_0_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 (state == AMD_PG_STATE_GATE) {
uvd_v6_0_stop(adev);
return 0;
} else {
return uvd_v6_0_start(adev);
}
}
const struct amd_ip_funcs uvd_v6_0_ip_funcs = {
.early_init = uvd_v6_0_early_init,
.late_init = NULL,
.sw_init = uvd_v6_0_sw_init,
.sw_fini = uvd_v6_0_sw_fini,
.hw_init = uvd_v6_0_hw_init,
.hw_fini = uvd_v6_0_hw_fini,
.suspend = uvd_v6_0_suspend,
.resume = uvd_v6_0_resume,
.is_idle = uvd_v6_0_is_idle,
.wait_for_idle = uvd_v6_0_wait_for_idle,
.soft_reset = uvd_v6_0_soft_reset,
.print_status = uvd_v6_0_print_status,
.set_clockgating_state = uvd_v6_0_set_clockgating_state,
.set_powergating_state = uvd_v6_0_set_powergating_state,
};
static const struct amdgpu_ring_funcs uvd_v6_0_ring_funcs = {
.get_rptr = uvd_v6_0_ring_get_rptr,
.get_wptr = uvd_v6_0_ring_get_wptr,
.set_wptr = uvd_v6_0_ring_set_wptr,
.parse_cs = amdgpu_uvd_ring_parse_cs,
.emit_ib = uvd_v6_0_ring_emit_ib,
.emit_fence = uvd_v6_0_ring_emit_fence,
.test_ring = uvd_v6_0_ring_test_ring,
.test_ib = uvd_v6_0_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
};
static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev)
{
adev->uvd.ring.funcs = &uvd_v6_0_ring_funcs;
}
static const struct amdgpu_irq_src_funcs uvd_v6_0_irq_funcs = {
.set = uvd_v6_0_set_interrupt_state,
.process = uvd_v6_0_process_interrupt,
};
static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->uvd.irq.num_types = 1;
adev->uvd.irq.funcs = &uvd_v6_0_irq_funcs;
}