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OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c

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/*
* Copyright 2019 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.
*
*/
#include "amdgpu.h"
#include "amdgpu_jpeg.h"
#include "amdgpu_pm.h"
#include "soc15.h"
#include "soc15d.h"
#include "jpeg_v2_0.h"
#include "vcn/vcn_2_0_0_offset.h"
#include "vcn/vcn_2_0_0_sh_mask.h"
#include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev);
static int jpeg_v2_0_set_powergating_state(void *handle,
enum amd_powergating_state state);
/**
* jpeg_v2_0_early_init - set function pointers
*
* @handle: amdgpu_device pointer
*
* Set ring and irq function pointers
*/
static int jpeg_v2_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
adev->jpeg.num_jpeg_inst = 1;
jpeg_v2_0_set_dec_ring_funcs(adev);
jpeg_v2_0_set_irq_funcs(adev);
return 0;
}
/**
* jpeg_v2_0_sw_init - sw init for JPEG block
*
* @handle: amdgpu_device pointer
*
* Load firmware and sw initialization
*/
static int jpeg_v2_0_sw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring;
int r;
/* JPEG TRAP */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
if (r)
return r;
r = amdgpu_jpeg_sw_init(adev);
if (r)
return r;
r = amdgpu_jpeg_resume(adev);
if (r)
return r;
ring = &adev->jpeg.inst->ring_dec;
ring->use_doorbell = true;
ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
sprintf(ring->name, "jpeg_dec");
r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
0, AMDGPU_RING_PRIO_DEFAULT, NULL);
if (r)
return r;
adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
return 0;
}
/**
* jpeg_v2_0_sw_fini - sw fini for JPEG block
*
* @handle: amdgpu_device pointer
*
* JPEG suspend and free up sw allocation
*/
static int jpeg_v2_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_jpeg_suspend(adev);
if (r)
return r;
r = amdgpu_jpeg_sw_fini(adev);
return r;
}
/**
* jpeg_v2_0_hw_init - start and test JPEG block
*
* @handle: amdgpu_device pointer
*
*/
static int jpeg_v2_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
int r;
adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
r = amdgpu_ring_test_helper(ring);
if (!r)
DRM_INFO("JPEG decode initialized successfully.\n");
return r;
}
/**
* jpeg_v2_0_hw_fini - stop the hardware block
*
* @handle: amdgpu_device pointer
*
* Stop the JPEG block, mark ring as not ready any more
*/
static int jpeg_v2_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
cancel_delayed_work_sync(&adev->vcn.idle_work);
if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
return 0;
}
/**
* jpeg_v2_0_suspend - suspend JPEG block
*
* @handle: amdgpu_device pointer
*
* HW fini and suspend JPEG block
*/
static int jpeg_v2_0_suspend(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
r = jpeg_v2_0_hw_fini(adev);
if (r)
return r;
r = amdgpu_jpeg_suspend(adev);
return r;
}
/**
* jpeg_v2_0_resume - resume JPEG block
*
* @handle: amdgpu_device pointer
*
* Resume firmware and hw init JPEG block
*/
static int jpeg_v2_0_resume(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_jpeg_resume(adev);
if (r)
return r;
r = jpeg_v2_0_hw_init(adev);
return r;
}
static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
{
uint32_t data;
int r = 0;
if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
r = SOC15_WAIT_ON_RREG(JPEG, 0,
mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
if (r) {
DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
return r;
}
}
/* Removing the anti hang mechanism to indicate the UVDJ tile is ON */
data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS)) & ~0x1;
WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
return 0;
}
static int jpeg_v2_0_enable_power_gating(struct amdgpu_device *adev)
{
if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
uint32_t data;
int r = 0;
data = RREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS));
data &= ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK;
data |= 0x1; //UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_TILES_OFF;
WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), data);
data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
(2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
if (r) {
DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
return r;
}
}
return 0;
}
static void jpeg_v2_0_disable_clock_gating(struct amdgpu_device *adev)
{
uint32_t data;
data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
else
data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
| JPEG_CGC_GATE__JPEG2_DEC_MASK
| JPEG_CGC_GATE__JPEG_ENC_MASK
| JPEG_CGC_GATE__JMCIF_MASK
| JPEG_CGC_GATE__JRBBM_MASK);
WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
}
static void jpeg_v2_0_enable_clock_gating(struct amdgpu_device *adev)
{
uint32_t data;
data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
else
data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
|JPEG_CGC_GATE__JPEG2_DEC_MASK
|JPEG_CGC_GATE__JPEG_ENC_MASK
|JPEG_CGC_GATE__JMCIF_MASK
|JPEG_CGC_GATE__JRBBM_MASK);
WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
}
/**
* jpeg_v2_0_start - start JPEG block
*
* @adev: amdgpu_device pointer
*
* Setup and start the JPEG block
*/
static int jpeg_v2_0_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
int r;
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_jpeg(adev, true);
/* disable power gating */
r = jpeg_v2_0_disable_power_gating(adev);
if (r)
return r;
/* JPEG disable CGC */
jpeg_v2_0_disable_clock_gating(adev);
WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
/* enable JMI channel */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
~UVD_JMI_CNTL__SOFT_RESET_MASK);
/* enable System Interrupt for JRBC */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
JPEG_SYS_INT_EN__DJRBC_MASK,
~JPEG_SYS_INT_EN__DJRBC_MASK);
WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
upper_32_bits(ring->gpu_addr));
WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
return 0;
}
/**
* jpeg_v2_0_stop - stop JPEG block
*
* @adev: amdgpu_device pointer
*
* stop the JPEG block
*/
static int jpeg_v2_0_stop(struct amdgpu_device *adev)
{
int r;
/* reset JMI */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
UVD_JMI_CNTL__SOFT_RESET_MASK,
~UVD_JMI_CNTL__SOFT_RESET_MASK);
/* enable JPEG CGC */
jpeg_v2_0_enable_clock_gating(adev);
/* enable power gating */
r = jpeg_v2_0_enable_power_gating(adev);
if (r)
return r;
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_jpeg(adev, false);
return 0;
}
/**
* jpeg_v2_0_dec_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint64_t jpeg_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
}
/**
* jpeg_v2_0_dec_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint64_t jpeg_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
if (ring->use_doorbell)
return *ring->wptr_cpu_addr;
else
return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
}
/**
* jpeg_v2_0_dec_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void jpeg_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
if (ring->use_doorbell) {
*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
} else {
WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
}
}
/**
* jpeg_v2_0_dec_ring_insert_start - insert a start command
*
* @ring: amdgpu_ring pointer
*
* Write a start command to the ring.
*/
void jpeg_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
{
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x68e04);
amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x80010000);
}
/**
* jpeg_v2_0_dec_ring_insert_end - insert a end command
*
* @ring: amdgpu_ring pointer
*
* Write a end command to the ring.
*/
void jpeg_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
{
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x68e04);
amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x00010000);
}
/**
* jpeg_v2_0_dec_ring_emit_fence - emit an fence & trap command
*
* @ring: amdgpu_ring pointer
* @addr: address
* @seq: sequence number
* @flags: fence related flags
*
* Write a fence and a trap command to the ring.
*/
void jpeg_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
unsigned flags)
{
WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x8);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x3fbc);
amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x1);
amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE7));
amdgpu_ring_write(ring, 0);
}
/**
* jpeg_v2_0_dec_ring_emit_ib - execute indirect buffer
*
* @ring: amdgpu_ring pointer
* @job: job to retrieve vmid from
* @ib: indirect buffer to execute
* @flags: unused
*
* Write ring commands to execute the indirect buffer.
*/
void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_job *job,
struct amdgpu_ib *ib,
uint32_t flags)
{
unsigned vmid = AMDGPU_JOB_GET_VMID(job);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JPEG_IH_CTRL_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, (vmid << JPEG_IH_CTRL__IH_VMID__SHIFT));
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, (vmid | (vmid << 4)));
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, (vmid | (vmid << 4)));
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, ib->length_dw);
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
amdgpu_ring_write(ring, PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x01400200);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x2);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_STATUS_INTERNAL_OFFSET,
0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
amdgpu_ring_write(ring, 0x2);
}
void jpeg_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
uint32_t val, uint32_t mask)
{
uint32_t reg_offset = (reg << 2);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x01400200);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, val);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring,
PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
} else {
amdgpu_ring_write(ring, reg_offset);
amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
0, 0, PACKETJ_TYPE3));
}
amdgpu_ring_write(ring, mask);
}
void jpeg_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vmid, uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t data0, data1, mask;
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
/* wait for register write */
data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
data1 = lower_32_bits(pd_addr);
mask = 0xffffffff;
jpeg_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
}
void jpeg_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
{
uint32_t reg_offset = (reg << 2);
amdgpu_ring_write(ring, PACKETJ(mmUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
0, 0, PACKETJ_TYPE0));
if (reg_offset >= 0x10000 && reg_offset <= 0x105ff) {
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring,
PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
} else {
amdgpu_ring_write(ring, reg_offset);
amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
0, 0, PACKETJ_TYPE0));
}
amdgpu_ring_write(ring, val);
}
void jpeg_v2_0_dec_ring_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, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
amdgpu_ring_write(ring, 0);
}
}
static bool jpeg_v2_0_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return ((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
}
static int jpeg_v2_0_wait_for_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int ret;
ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
return ret;
}
static int jpeg_v2_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);
if (enable) {
if (!jpeg_v2_0_is_idle(handle))
return -EBUSY;
jpeg_v2_0_enable_clock_gating(adev);
} else {
jpeg_v2_0_disable_clock_gating(adev);
}
return 0;
}
static int jpeg_v2_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int ret;
if (state == adev->jpeg.cur_state)
return 0;
if (state == AMD_PG_STATE_GATE)
ret = jpeg_v2_0_stop(adev);
else
ret = jpeg_v2_0_start(adev);
if (!ret)
adev->jpeg.cur_state = state;
return ret;
}
static int jpeg_v2_0_set_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned type,
enum amdgpu_interrupt_state state)
{
return 0;
}
static int jpeg_v2_0_process_interrupt(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_DEBUG("IH: JPEG TRAP\n");
switch (entry->src_id) {
case VCN_2_0__SRCID__JPEG_DECODE:
amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
break;
default:
DRM_ERROR("Unhandled interrupt: %d %d\n",
entry->src_id, entry->src_data[0]);
break;
}
return 0;
}
static const struct amd_ip_funcs jpeg_v2_0_ip_funcs = {
.name = "jpeg_v2_0",
.early_init = jpeg_v2_0_early_init,
.late_init = NULL,
.sw_init = jpeg_v2_0_sw_init,
.sw_fini = jpeg_v2_0_sw_fini,
.hw_init = jpeg_v2_0_hw_init,
.hw_fini = jpeg_v2_0_hw_fini,
.suspend = jpeg_v2_0_suspend,
.resume = jpeg_v2_0_resume,
.is_idle = jpeg_v2_0_is_idle,
.wait_for_idle = jpeg_v2_0_wait_for_idle,
.check_soft_reset = NULL,
.pre_soft_reset = NULL,
.soft_reset = NULL,
.post_soft_reset = NULL,
.set_clockgating_state = jpeg_v2_0_set_clockgating_state,
.set_powergating_state = jpeg_v2_0_set_powergating_state,
};
static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_JPEG,
.align_mask = 0xf,
.vmhub = AMDGPU_MMHUB_0,
.get_rptr = jpeg_v2_0_dec_ring_get_rptr,
.get_wptr = jpeg_v2_0_dec_ring_get_wptr,
.set_wptr = jpeg_v2_0_dec_ring_set_wptr,
.emit_frame_size =
SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
8 + 16,
.emit_ib_size = 24, /* jpeg_v2_0_dec_ring_emit_ib */
.emit_ib = jpeg_v2_0_dec_ring_emit_ib,
.emit_fence = jpeg_v2_0_dec_ring_emit_fence,
.emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
.test_ring = amdgpu_jpeg_dec_ring_test_ring,
.test_ib = amdgpu_jpeg_dec_ring_test_ib,
.insert_nop = jpeg_v2_0_dec_ring_nop,
.insert_start = jpeg_v2_0_dec_ring_insert_start,
.insert_end = jpeg_v2_0_dec_ring_insert_end,
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_jpeg_ring_begin_use,
.end_use = amdgpu_jpeg_ring_end_use,
.emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
.emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};
static void jpeg_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
{
adev->jpeg.inst->ring_dec.funcs = &jpeg_v2_0_dec_ring_vm_funcs;
DRM_INFO("JPEG decode is enabled in VM mode\n");
}
static const struct amdgpu_irq_src_funcs jpeg_v2_0_irq_funcs = {
.set = jpeg_v2_0_set_interrupt_state,
.process = jpeg_v2_0_process_interrupt,
};
static void jpeg_v2_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->jpeg.inst->irq.num_types = 1;
adev->jpeg.inst->irq.funcs = &jpeg_v2_0_irq_funcs;
}
const struct amdgpu_ip_block_version jpeg_v2_0_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_JPEG,
.major = 2,
.minor = 0,
.rev = 0,
.funcs = &jpeg_v2_0_ip_funcs,
};
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