/*
* 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_3_0_0_offset.h"
#include "vcn/vcn_3_0_0_sh_mask.h"
#include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
#define mmUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f
static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev);
static int jpeg_v3_0_set_powergating_state(void *handle,
enum amd_powergating_state state);
/**
* jpeg_v3_0_early_init - set function pointers
*
* @handle: amdgpu_device pointer
*
* Set ring and irq function pointers
*/
static int jpeg_v3_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
u32 harvest;
switch (amdgpu_ip_version(adev, UVD_HWIP, 0)) {
case IP_VERSION(3, 1, 1):
case IP_VERSION(3, 1, 2):
break;
default:
harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING);
if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
return -ENOENT;
break;
}
adev->jpeg.num_jpeg_inst = 1;
adev->jpeg.num_jpeg_rings = 1;
jpeg_v3_0_set_dec_ring_funcs(adev);
jpeg_v3_0_set_irq_funcs(adev);
return 0;
}
/**
* jpeg_v3_0_sw_init - sw init for JPEG block
*
* @handle: amdgpu_device pointer
*
* Load firmware and sw initialization
*/
static int jpeg_v3_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;
ring->vm_hub = AMDGPU_MMHUB0(0);
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[0] = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
return 0;
}
/**
* jpeg_v3_0_sw_fini - sw fini for JPEG block
*
* @handle: amdgpu_device pointer
*
* JPEG suspend and free up sw allocation
*/
static int jpeg_v3_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
r = amdgpu_jpeg_suspend(adev);
if (r)
return r;
r = amdgpu_jpeg_sw_fini(adev);
return r;
}
/**
* jpeg_v3_0_hw_init - start and test JPEG block
*
* @handle: amdgpu_device pointer
*
*/
static int jpeg_v3_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
return amdgpu_ring_test_helper(ring);
}
/**
* jpeg_v3_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_v3_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_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
return 0;
}
/**
* jpeg_v3_0_suspend - suspend JPEG block
*
* @handle: amdgpu_device pointer
*
* HW fini and suspend JPEG block
*/
static int jpeg_v3_0_suspend(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
r = jpeg_v3_0_hw_fini(adev);
if (r)
return r;
r = amdgpu_jpeg_suspend(adev);
return r;
}
/**
* jpeg_v3_0_resume - resume JPEG block
*
* @handle: amdgpu_device pointer
*
* Resume firmware and hw init JPEG block
*/
static int jpeg_v3_0_resume(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
r = amdgpu_jpeg_resume(adev);
if (r)
return r;
r = jpeg_v3_0_hw_init(adev);
return r;
}
static void jpeg_v3_0_disable_clock_gating(struct amdgpu_device *adev)
{
uint32_t data = 0;
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);
data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
data &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK
| JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK
| JPEG_CGC_CTRL__JMCIF_MODE_MASK
| JPEG_CGC_CTRL__JRBBM_MODE_MASK);
WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
}
static void jpeg_v3_0_enable_clock_gating(struct amdgpu_device *adev)
{
uint32_t data = 0;
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 int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev)
{
if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
uint32_t data = 0;
int r = 0;
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;
}
}
/* disable anti hang mechanism */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
/* keep the JPEG in static PG mode */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
return 0;
}
static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device *adev)
{
/* enable anti hang mechanism */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS),
UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
uint32_t data = 0;
int r = 0;
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;
}
/**
* jpeg_v3_0_start - start JPEG block
*
* @adev: amdgpu_device pointer
*
* Setup and start the JPEG block
*/
static int jpeg_v3_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_v3_0_disable_static_power_gating(adev);
if (r)
return r;
/* JPEG disable CGC */
jpeg_v3_0_disable_clock_gating(adev);
/* MJPEG global tiling registers */
WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG,
adev->gfx.config.gb_addr_config);
WREG32_SOC15(JPEG, 0, mmJPEG_ENC_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_v3_0_stop - stop JPEG block
*
* @adev: amdgpu_device pointer
*
* stop the JPEG block
*/
static int jpeg_v3_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);
jpeg_v3_0_enable_clock_gating(adev);
/* enable power gating */
r = jpeg_v3_0_enable_static_power_gating(adev);
if (r)
return r;
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_jpeg(adev, false);
return 0;
}
/**
* jpeg_v3_0_dec_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint64_t jpeg_v3_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_v3_0_dec_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint64_t jpeg_v3_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_v3_0_dec_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void jpeg_v3_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));
}
}
static bool jpeg_v3_0_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int ret = 1;
ret &= (((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
return ret;
}
static int jpeg_v3_0_wait_for_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
}
static int jpeg_v3_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_v3_0_is_idle(handle))
return -EBUSY;
jpeg_v3_0_enable_clock_gating(adev);
} else {
jpeg_v3_0_disable_clock_gating(adev);
}
return 0;
}
static int jpeg_v3_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_v3_0_stop(adev);
else
ret = jpeg_v3_0_start(adev);
if(!ret)
adev->jpeg.cur_state = state;
return ret;
}
static int jpeg_v3_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_v3_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_v3_0_ip_funcs = {
.name = "jpeg_v3_0",
.early_init = jpeg_v3_0_early_init,
.late_init = NULL,
.sw_init = jpeg_v3_0_sw_init,
.sw_fini = jpeg_v3_0_sw_fini,
.hw_init = jpeg_v3_0_hw_init,
.hw_fini = jpeg_v3_0_hw_fini,
.suspend = jpeg_v3_0_suspend,
.resume = jpeg_v3_0_resume,
.is_idle = jpeg_v3_0_is_idle,
.wait_for_idle = jpeg_v3_0_wait_for_idle,
.check_soft_reset = NULL,
.pre_soft_reset = NULL,
.soft_reset = NULL,
.post_soft_reset = NULL,
.set_clockgating_state = jpeg_v3_0_set_clockgating_state,
.set_powergating_state = jpeg_v3_0_set_powergating_state,
.dump_ip_state = NULL,
.print_ip_state = NULL,
};
static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_JPEG,
.align_mask = 0xf,
.get_rptr = jpeg_v3_0_dec_ring_get_rptr,
.get_wptr = jpeg_v3_0_dec_ring_get_wptr,
.set_wptr = jpeg_v3_0_dec_ring_set_wptr,
.parse_cs = jpeg_v2_dec_ring_parse_cs,
.emit_frame_size =
SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
8 + /* jpeg_v3_0_dec_ring_emit_vm_flush */
18 + 18 + /* jpeg_v3_0_dec_ring_emit_fence x2 vm fence */
8 + 16,
.emit_ib_size = 22, /* jpeg_v3_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_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
{
adev->jpeg.inst->ring_dec->funcs = &jpeg_v3_0_dec_ring_vm_funcs;
}
static const struct amdgpu_irq_src_funcs jpeg_v3_0_irq_funcs = {
.set = jpeg_v3_0_set_interrupt_state,
.process = jpeg_v3_0_process_interrupt,
};
static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->jpeg.inst->irq.num_types = 1;
adev->jpeg.inst->irq.funcs = &jpeg_v3_0_irq_funcs;
}
const struct amdgpu_ip_block_version jpeg_v3_0_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_JPEG,
.major = 3,
.minor = 0,
.rev = 0,
.funcs = &jpeg_v3_0_ip_funcs,
};
Codebase Browser
linux