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OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/uvd_v5_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_5_0_d.h"
#include "uvd/uvd_5_0_sh_mask.h"
#include "oss/oss_2_0_d.h"
#include "oss/oss_2_0_sh_mask.h"
#include "bif/bif_5_0_d.h"
#include "vi.h"
#include "smu/smu_7_1_2_d.h"
#include "smu/smu_7_1_2_sh_mask.h"
#include "ivsrcid/ivsrcid_vislands30.h"
static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev);
static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev);
static int uvd_v5_0_start(struct amdgpu_device *adev);
static void uvd_v5_0_stop(struct amdgpu_device *adev);
static int uvd_v5_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state);
static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev,
bool enable);
/**
* uvd_v5_0_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint64_t uvd_v5_0_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_RPTR);
}
/**
* uvd_v5_0_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint64_t uvd_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_WPTR);
}
/**
* uvd_v5_0_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void uvd_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
}
static int uvd_v5_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
adev->uvd.num_uvd_inst = 1;
uvd_v5_0_set_ring_funcs(adev);
uvd_v5_0_set_irq_funcs(adev);
return 0;
}
static int uvd_v5_0_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, AMDGPU_IH_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_UVD_SYSTEM_MESSAGE, &adev->uvd.inst->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.inst->ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
if (r)
return r;
r = amdgpu_uvd_entity_init(adev);
return r;
}
static int uvd_v5_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_suspend(adev);
if (r)
return r;
return amdgpu_uvd_sw_fini(adev);
}
/**
* uvd_v5_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_v5_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.inst->ring;
uint32_t tmp;
int r;
amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);
uvd_v5_0_enable_mgcg(adev, true);
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_v5_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_v5_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.inst->ring;
if (RREG32(mmUVD_STATUS) != 0)
uvd_v5_0_stop(adev);
ring->ready = false;
return 0;
}
static int uvd_v5_0_suspend(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = uvd_v5_0_hw_fini(adev);
if (r)
return r;
uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_GATE);
return amdgpu_uvd_suspend(adev);
}
static int uvd_v5_0_resume(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_resume(adev);
if (r)
return r;
return uvd_v5_0_hw_init(adev);
}
/**
* uvd_v5_0_mc_resume - memory controller programming
*
* @adev: amdgpu_device pointer
*
* Let the UVD memory controller know it's offsets
*/
static void uvd_v5_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.inst->gpu_addr));
WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
upper_32_bits(adev->uvd.inst->gpu_addr));
offset = AMDGPU_UVD_FIRMWARE_OFFSET;
size = AMDGPU_UVD_FIRMWARE_SIZE(adev);
WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
offset += size;
size = AMDGPU_UVD_HEAP_SIZE;
WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
offset += size;
size = AMDGPU_UVD_STACK_SIZE +
(AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles);
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);
}
/**
* uvd_v5_0_start - start UVD block
*
* @adev: amdgpu_device pointer
*
* Setup and start the UVD block
*/
static int uvd_v5_0_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->uvd.inst->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_v5_0_mc_resume(adev);
/* 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, lower_32_bits(ring->wptr));
WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
return 0;
}
/**
* uvd_v5_0_stop - stop UVD block
*
* @adev: amdgpu_device pointer
*
* stop the UVD block
*/
static void uvd_v5_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));
WREG32(mmUVD_STATUS, 0);
}
/**
* uvd_v5_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_v5_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_v5_0_ring_test_ring - register write test
*
* @ring: amdgpu_ring pointer
*
* Test if we can successfully write to the context register
*/
static int uvd_v5_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_DEBUG("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_v5_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_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_ib *ib,
unsigned vmid, bool ctx_switch)
{
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);
}
static void uvd_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
{
int i;
WARN_ON(ring->wptr % 2 || count % 2);
for (i = 0; i < count / 2; i++) {
amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0));
amdgpu_ring_write(ring, 0);
}
}
static bool uvd_v5_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_v5_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_v5_0_soft_reset(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
uvd_v5_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_v5_0_start(adev);
}
static int uvd_v5_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_v5_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.inst->ring);
return 0;
}
static void uvd_v5_0_enable_clock_gating(struct amdgpu_device *adev, bool enable)
{
uint32_t data1, data3, suvd_flags;
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
data3 = RREG32(mmUVD_CGC_GATE);
suvd_flags = 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;
if (enable) {
data3 |= (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__JPEG_MASK |
UVD_CGC_GATE__SCPU_MASK);
/* only in pg enabled, we can gate clock to vcpu*/
if (adev->pg_flags & AMD_PG_SUPPORT_UVD)
data3 |= UVD_CGC_GATE__VCPU_MASK;
data3 &= ~UVD_CGC_GATE__REGS_MASK;
data1 |= suvd_flags;
} else {
data3 = 0;
data1 = 0;
}
WREG32(mmUVD_SUVD_CGC_GATE, data1);
WREG32(mmUVD_CGC_GATE, data3);
}
static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev)
{
uint32_t data, data2;
data = RREG32(mmUVD_CGC_CTRL);
data2 = RREG32(mmUVD_SUVD_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));
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);
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);
}
#if 0
static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev)
{
uint32_t data, data1, cgc_flags, suvd_flags;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
cgc_flags = 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;
suvd_flags = 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;
data |= cgc_flags;
data1 |= suvd_flags;
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
#endif
static void uvd_v5_0_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 int uvd_v5_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 (enable) {
/* wait for STATUS to clear */
if (uvd_v5_0_wait_for_idle(handle))
return -EBUSY;
uvd_v5_0_enable_clock_gating(adev, true);
/* enable HW gates because UVD is idle */
/* uvd_v5_0_set_hw_clock_gating(adev); */
} else {
uvd_v5_0_enable_clock_gating(adev, false);
}
uvd_v5_0_set_sw_clock_gating(adev);
return 0;
}
static int uvd_v5_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;
int ret = 0;
if (state == AMD_PG_STATE_GATE) {
uvd_v5_0_stop(adev);
} else {
ret = uvd_v5_0_start(adev);
if (ret)
goto out;
}
out:
return ret;
}
static void uvd_v5_0_get_clockgating_state(void *handle, u32 *flags)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int data;
mutex_lock(&adev->pm.mutex);
if (RREG32_SMC(ixCURRENT_PG_STATUS) &
CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) {
DRM_INFO("Cannot get clockgating state when UVD is powergated.\n");
goto out;
}
/* AMD_CG_SUPPORT_UVD_MGCG */
data = RREG32(mmUVD_CGC_CTRL);
if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK)
*flags |= AMD_CG_SUPPORT_UVD_MGCG;
out:
mutex_unlock(&adev->pm.mutex);
}
static const struct amd_ip_funcs uvd_v5_0_ip_funcs = {
.name = "uvd_v5_0",
.early_init = uvd_v5_0_early_init,
.late_init = NULL,
.sw_init = uvd_v5_0_sw_init,
.sw_fini = uvd_v5_0_sw_fini,
.hw_init = uvd_v5_0_hw_init,
.hw_fini = uvd_v5_0_hw_fini,
.suspend = uvd_v5_0_suspend,
.resume = uvd_v5_0_resume,
.is_idle = uvd_v5_0_is_idle,
.wait_for_idle = uvd_v5_0_wait_for_idle,
.soft_reset = uvd_v5_0_soft_reset,
.set_clockgating_state = uvd_v5_0_set_clockgating_state,
.set_powergating_state = uvd_v5_0_set_powergating_state,
.get_clockgating_state = uvd_v5_0_get_clockgating_state,
};
static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = {
.type = AMDGPU_RING_TYPE_UVD,
.align_mask = 0xf,
.support_64bit_ptrs = false,
.get_rptr = uvd_v5_0_ring_get_rptr,
.get_wptr = uvd_v5_0_ring_get_wptr,
.set_wptr = uvd_v5_0_ring_set_wptr,
.parse_cs = amdgpu_uvd_ring_parse_cs,
.emit_frame_size =
14, /* uvd_v5_0_ring_emit_fence x1 no user fence */
.emit_ib_size = 6, /* uvd_v5_0_ring_emit_ib */
.emit_ib = uvd_v5_0_ring_emit_ib,
.emit_fence = uvd_v5_0_ring_emit_fence,
.test_ring = uvd_v5_0_ring_test_ring,
.test_ib = amdgpu_uvd_ring_test_ib,
.insert_nop = uvd_v5_0_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_uvd_ring_begin_use,
.end_use = amdgpu_uvd_ring_end_use,
};
static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev)
{
adev->uvd.inst->ring.funcs = &uvd_v5_0_ring_funcs;
}
static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = {
.set = uvd_v5_0_set_interrupt_state,
.process = uvd_v5_0_process_interrupt,
};
static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->uvd.inst->irq.num_types = 1;
adev->uvd.inst->irq.funcs = &uvd_v5_0_irq_funcs;
}
const struct amdgpu_ip_block_version uvd_v5_0_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_UVD,
.major = 5,
.minor = 0,
.rev = 0,
.funcs = &uvd_v5_0_ip_funcs,
};
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