From: James Zhu <james....@amd.com>

Add jpeg support for VCN4_0_3.

v2: squash in delayed work typo fix (Alex)

Signed-off-by: James Zhu <james....@amd.com>
Reviewed-by: Leo Liu <leo....@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Makefile      |   3 +-
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c | 762 +++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h |  49 ++
 3 files changed, 813 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile 
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 7fb09000efc0..fc20aee6694f 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -188,7 +188,8 @@ amdgpu-y += \
        jpeg_v2_0.o \
        jpeg_v2_5.o \
        jpeg_v3_0.o \
-       jpeg_v4_0.o
+       jpeg_v4_0.o \
+       jpeg_v4_0_3.o
 
 # add ATHUB block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c 
b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
new file mode 100644
index 000000000000..1fc72f9b52ed
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
@@ -0,0 +1,762 @@
+/*
+ * Copyright 2022 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 "soc15.h"
+#include "soc15d.h"
+#include "jpeg_v4_0_3.h"
+
+#include "vcn/vcn_4_0_3_offset.h"
+#include "vcn/vcn_4_0_3_sh_mask.h"
+#include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
+
+enum jpeg_engin_status {
+       UVD_PGFSM_STATUS__UVDJ_PWR_ON  = 0,
+       UVD_PGFSM_STATUS__UVDJ_PWR_OFF = 2,
+};
+
+static void jpeg_v4_0_3_set_dec_ring_funcs(struct amdgpu_device *adev);
+static void jpeg_v4_0_3_set_irq_funcs(struct amdgpu_device *adev);
+static int jpeg_v4_0_3_set_powergating_state(void *handle,
+                               enum amd_powergating_state state);
+
+/**
+ * jpeg_v4_0_3_early_init - set function pointers
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Set ring and irq function pointers
+ */
+static int jpeg_v4_0_3_early_init(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+       jpeg_v4_0_3_set_dec_ring_funcs(adev);
+       jpeg_v4_0_3_set_irq_funcs(adev);
+
+       return 0;
+}
+
+/**
+ * jpeg_v4_0_3_sw_init - sw init for JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Load firmware and sw initialization
+ */
+static int jpeg_v4_0_3_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 = false;
+       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 = regUVD_JPEG_PITCH_INTERNAL_OFFSET;
+       adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, 
regUVD_JPEG_PITCH);
+
+       return 0;
+}
+
+/**
+ * jpeg_v4_0_3_sw_fini - sw fini for JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * JPEG suspend and free up sw allocation
+ */
+static int jpeg_v4_0_3_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_v4_0_3_hw_init - start and test JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ */
+static int jpeg_v4_0_3_hw_init(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+       struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
+       int r;
+
+       r = amdgpu_ring_test_helper(ring);
+       if (!r)
+               DRM_DEV_INFO(adev->dev, "JPEG decode initialized 
successfully.\n");
+
+       return r;
+}
+
+/**
+ * jpeg_v4_0_3_hw_fini - stop the hardware block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Stop the JPEG block, mark ring as not ready any more
+ */
+static int jpeg_v4_0_3_hw_fini(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+       cancel_delayed_work_sync(&adev->jpeg.idle_work);
+
+       if (adev->jpeg.cur_state != AMD_PG_STATE_GATE)
+               jpeg_v4_0_3_set_powergating_state(adev, AMD_PG_STATE_GATE);
+
+       return 0;
+}
+
+/**
+ * jpeg_v4_0_3_suspend - suspend JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * HW fini and suspend JPEG block
+ */
+static int jpeg_v4_0_3_suspend(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+       int r;
+
+       r = jpeg_v4_0_3_hw_fini(adev);
+       if (r)
+               return r;
+
+       r = amdgpu_jpeg_suspend(adev);
+
+       return r;
+}
+
+/**
+ * jpeg_v4_0_3_resume - resume JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Resume firmware and hw init JPEG block
+ */
+static int jpeg_v4_0_3_resume(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+       int r;
+
+       r = amdgpu_jpeg_resume(adev);
+       if (r)
+               return r;
+
+       r = jpeg_v4_0_3_hw_init(adev);
+
+       return r;
+}
+
+static void jpeg_v4_0_3_disable_clock_gating(struct amdgpu_device *adev)
+{
+       uint32_t data;
+
+       data = RREG32_SOC15(JPEG, 0, regJPEG_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, regJPEG_CGC_CTRL, data);
+
+       data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
+       data &= ~(JPEG_CGC_GATE__JPEG0_DEC_MASK
+               | JPEG_CGC_GATE__JPEG2_DEC_MASK
+               | JPEG_CGC_GATE__JMCIF_MASK
+               | JPEG_CGC_GATE__JRBBM_MASK);
+       WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
+}
+
+static void jpeg_v4_0_3_enable_clock_gating(struct amdgpu_device *adev)
+{
+       uint32_t data;
+
+       data = RREG32_SOC15(JPEG, 0, regJPEG_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, regJPEG_CGC_CTRL, data);
+
+       data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
+       data |= (JPEG_CGC_GATE__JPEG0_DEC_MASK
+               |JPEG_CGC_GATE__JPEG2_DEC_MASK
+               |JPEG_CGC_GATE__JMCIF_MASK
+               |JPEG_CGC_GATE__JRBBM_MASK);
+       WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
+}
+
+/**
+ * jpeg_v4_0_3_start - start JPEG block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup and start the JPEG block
+ */
+static int jpeg_v4_0_3_start(struct amdgpu_device *adev)
+{
+       struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
+
+       WREG32_SOC15(JPEG, 0, regUVD_PGFSM_CONFIG,
+               1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT);
+       SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_PGFSM_STATUS,
+               UVD_PGFSM_STATUS__UVDJ_PWR_ON <<
+               UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT,
+               UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
+
+       /* disable anti hang mechanism */
+       WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
+               ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+
+       /* JPEG disable CGC */
+       jpeg_v4_0_3_disable_clock_gating(adev);
+
+       /* MJPEG global tiling registers */
+       WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX8_ADDR_CONFIG,
+               adev->gfx.config.gb_addr_config);
+       WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
+               adev->gfx.config.gb_addr_config);
+
+       /* enable JMI channel */
+       WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0,
+               ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+       /* enable System Interrupt for JRBC */
+       WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regJPEG_SYS_INT_EN),
+               JPEG_SYS_INT_EN__DJRBC0_MASK,
+               ~JPEG_SYS_INT_EN__DJRBC0_MASK);
+
+       WREG32_SOC15(JPEG, 0, regUVD_JMI0_UVD_LMI_JRBC_RB_VMID, 0);
+       WREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_CNTL, (0x00000001L | 
0x00000002L));
+       WREG32_SOC15(JPEG, 0, regUVD_JMI0_UVD_LMI_JRBC_RB_64BIT_BAR_LOW,
+               lower_32_bits(ring->gpu_addr));
+       WREG32_SOC15(JPEG, 0, regUVD_JMI0_UVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
+               upper_32_bits(ring->gpu_addr));
+       WREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_RPTR, 0);
+       WREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_WPTR, 0);
+       WREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_CNTL, 0x00000002L);
+       WREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_SIZE, ring->ring_size / 
4);
+       ring->wptr = RREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_RB_WPTR);
+
+       return 0;
+}
+
+/**
+ * jpeg_v4_0_3_stop - stop JPEG block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * stop the JPEG block
+ */
+static int jpeg_v4_0_3_stop(struct amdgpu_device *adev)
+{
+       /* reset JMI */
+       WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL),
+               UVD_JMI_CNTL__SOFT_RESET_MASK,
+               ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+       jpeg_v4_0_3_enable_clock_gating(adev);
+
+       /* enable anti hang mechanism */
+       WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS),
+               UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
+               ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+
+       WREG32_SOC15(JPEG, 0, regUVD_PGFSM_CONFIG,
+               2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT);
+       SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_PGFSM_STATUS,
+               UVD_PGFSM_STATUS__UVDJ_PWR_OFF <<
+               UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT,
+               UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
+
+       return 0;
+}
+
+/**
+ * jpeg_v4_0_3_dec_ring_get_rptr - get read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+static uint64_t jpeg_v4_0_3_dec_ring_get_rptr(struct amdgpu_ring *ring)
+{
+       struct amdgpu_device *adev = ring->adev;
+
+       return RREG32_SOC15(JPEG, ring->me, regUVD_JRBC0_UVD_JRBC_RB_RPTR);
+}
+
+/**
+ * jpeg_v4_0_3_dec_ring_get_wptr - get write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+static uint64_t jpeg_v4_0_3_dec_ring_get_wptr(struct amdgpu_ring *ring)
+{
+       struct amdgpu_device *adev = ring->adev;
+
+       if (ring->use_doorbell)
+               return adev->wb.wb[ring->wptr_offs];
+       else
+               return RREG32_SOC15(JPEG, ring->me, 
regUVD_JRBC0_UVD_JRBC_RB_WPTR);
+}
+
+/**
+ * jpeg_v4_0_3_dec_ring_set_wptr - set write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+static void jpeg_v4_0_3_dec_ring_set_wptr(struct amdgpu_ring *ring)
+{
+       struct amdgpu_device *adev = ring->adev;
+
+       if (ring->use_doorbell) {
+               adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+               WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+       } else {
+               WREG32_SOC15(JPEG, ring->me,
+                       regUVD_JRBC0_UVD_JRBC_RB_WPTR, 
lower_32_bits(ring->wptr));
+       }
+}
+
+/**
+ * jpeg_v4_0_3_dec_ring_insert_start - insert a start command
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Write a start command to the ring.
+ */
+static void jpeg_v4_0_3_dec_ring_insert_start(struct amdgpu_ring *ring)
+{
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x62a04);/* TODO: PCTL0_MMHUB_DEEPSLEEP_IB */
+
+       amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x80004000);
+}
+
+/**
+ * jpeg_v4_0_3_dec_ring_insert_end - insert a end command
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Write a end command to the ring.
+ */
+static void jpeg_v4_0_3_dec_ring_insert_end(struct amdgpu_ring *ring)
+{
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x62a04);
+
+       amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x00004000);
+}
+
+/**
+ * jpeg_v4_0_3_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.
+ */
+static void jpeg_v4_0_3_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 
addr, u64 seq,
+                               unsigned int flags)
+{
+       WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, seq);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, seq);
+
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_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(regUVD_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(regUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x8);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET,
+               0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
+       amdgpu_ring_write(ring, 0);
+
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_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_v4_0_3_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.
+ */
+static void jpeg_v4_0_3_dec_ring_emit_ib(struct amdgpu_ring *ring,
+                               struct amdgpu_job *job,
+                               struct amdgpu_ib *ib,
+                               uint32_t flags)
+{
+       unsigned int vmid = AMDGPU_JOB_GET_VMID(job);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, (vmid | (vmid << 4)));
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_LMI_JPEG_VMID_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, (vmid | (vmid << 4)));
+
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_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(regUVD_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(regUVD_JRBC_IB_SIZE_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, ib->length_dw);
+
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_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(regUVD_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(regUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x01400200);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x2);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_JRBC_STATUS_INTERNAL_OFFSET,
+               0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
+       amdgpu_ring_write(ring, 0x2);
+}
+
+static void jpeg_v4_0_3_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(regUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, 0x01400200);
+
+       amdgpu_ring_write(ring, PACKETJ(regUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET,
+               0, 0, PACKETJ_TYPE0));
+       amdgpu_ring_write(ring, val);
+
+       amdgpu_ring_write(ring, 
PACKETJ(regUVD_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);
+}
+
+static void jpeg_v4_0_3_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
+                               unsigned int vmid, uint64_t pd_addr)
+{
+       struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
+       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_v4_0_3_dec_ring_emit_reg_wait(ring, data0, data1, mask);
+}
+
+static void jpeg_v4_0_3_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(regUVD_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);
+}
+
+static void jpeg_v4_0_3_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_v4_0_3_is_idle(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+       return ((RREG32_SOC15(JPEG, 0, regUVD_JRBC0_UVD_JRBC_STATUS) &
+               UVD_JRBC0_UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
+               UVD_JRBC0_UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
+}
+
+static int jpeg_v4_0_3_wait_for_idle(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+       int ret;
+
+       ret = SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC0_UVD_JRBC_STATUS,
+               UVD_JRBC0_UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
+               UVD_JRBC0_UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
+       return ret;
+}
+
+static int jpeg_v4_0_3_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_v4_0_3_is_idle(handle))
+                       return -EBUSY;
+               jpeg_v4_0_3_enable_clock_gating(adev);
+       } else {
+               jpeg_v4_0_3_disable_clock_gating(adev);
+       }
+
+       return 0;
+}
+
+static int jpeg_v4_0_3_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_v4_0_3_stop(adev);
+       else
+               ret = jpeg_v4_0_3_start(adev);
+
+       if (!ret)
+               adev->jpeg.cur_state = state;
+
+       return ret;
+}
+
+static int jpeg_v4_0_3_set_interrupt_state(struct amdgpu_device *adev,
+                                       struct amdgpu_irq_src *source,
+                                       unsigned int type,
+                                       enum amdgpu_interrupt_state state)
+{
+       return 0;
+}
+
+static int jpeg_v4_0_3_process_interrupt(struct amdgpu_device *adev,
+                                     struct amdgpu_irq_src *source,
+                                     struct amdgpu_iv_entry *entry)
+{
+       DRM_DEV_DEBUG(adev->dev, "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_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
+                         entry->src_id, entry->src_data[0]);
+               break;
+       }
+
+       return 0;
+}
+
+static const struct amd_ip_funcs jpeg_v4_0_3_ip_funcs = {
+       .name = "jpeg_v4_0_3",
+       .early_init = jpeg_v4_0_3_early_init,
+       .late_init = NULL,
+       .sw_init = jpeg_v4_0_3_sw_init,
+       .sw_fini = jpeg_v4_0_3_sw_fini,
+       .hw_init = jpeg_v4_0_3_hw_init,
+       .hw_fini = jpeg_v4_0_3_hw_fini,
+       .suspend = jpeg_v4_0_3_suspend,
+       .resume = jpeg_v4_0_3_resume,
+       .is_idle = jpeg_v4_0_3_is_idle,
+       .wait_for_idle = jpeg_v4_0_3_wait_for_idle,
+       .check_soft_reset = NULL,
+       .pre_soft_reset = NULL,
+       .soft_reset = NULL,
+       .post_soft_reset = NULL,
+       .set_clockgating_state = jpeg_v4_0_3_set_clockgating_state,
+       .set_powergating_state = jpeg_v4_0_3_set_powergating_state,
+};
+
+static const struct amdgpu_ring_funcs jpeg_v4_0_3_dec_ring_vm_funcs = {
+       .type = AMDGPU_RING_TYPE_VCN_JPEG,
+       .align_mask = 0xf,
+       .get_rptr = jpeg_v4_0_3_dec_ring_get_rptr,
+       .get_wptr = jpeg_v4_0_3_dec_ring_get_wptr,
+       .set_wptr = jpeg_v4_0_3_dec_ring_set_wptr,
+       .emit_frame_size =
+               SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
+               SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
+               8 + /* jpeg_v4_0_3_dec_ring_emit_vm_flush */
+               18 + 18 + /* jpeg_v4_0_3_dec_ring_emit_fence x2 vm fence */
+               8 + 16,
+       .emit_ib_size = 22, /* jpeg_v4_0_3_dec_ring_emit_ib */
+       .emit_ib = jpeg_v4_0_3_dec_ring_emit_ib,
+       .emit_fence = jpeg_v4_0_3_dec_ring_emit_fence,
+       .emit_vm_flush = jpeg_v4_0_3_dec_ring_emit_vm_flush,
+       .test_ring = amdgpu_jpeg_dec_ring_test_ring,
+       .test_ib = amdgpu_jpeg_dec_ring_test_ib,
+       .insert_nop = jpeg_v4_0_3_dec_ring_nop,
+       .insert_start = jpeg_v4_0_3_dec_ring_insert_start,
+       .insert_end = jpeg_v4_0_3_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_v4_0_3_dec_ring_emit_wreg,
+       .emit_reg_wait = jpeg_v4_0_3_dec_ring_emit_reg_wait,
+       .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+};
+
+static void jpeg_v4_0_3_set_dec_ring_funcs(struct amdgpu_device *adev)
+{
+       adev->jpeg.inst->ring_dec.funcs = &jpeg_v4_0_3_dec_ring_vm_funcs;
+       adev->jpeg.inst->ring_dec.me = 0;
+       DRM_DEV_INFO(adev->dev, "JPEG decode is enabled in VM mode\n");
+}
+
+static const struct amdgpu_irq_src_funcs jpeg_v4_0_3_irq_funcs = {
+       .set = jpeg_v4_0_3_set_interrupt_state,
+       .process = jpeg_v4_0_3_process_interrupt,
+};
+
+static void jpeg_v4_0_3_set_irq_funcs(struct amdgpu_device *adev)
+{
+       adev->jpeg.inst->irq.num_types = 1;
+       adev->jpeg.inst->irq.funcs = &jpeg_v4_0_3_irq_funcs;
+}
+
+const struct amdgpu_ip_block_version jpeg_v4_0_3_ip_block = {
+       .type = AMD_IP_BLOCK_TYPE_JPEG,
+       .major = 4,
+       .minor = 0,
+       .rev = 3,
+       .funcs = &jpeg_v4_0_3_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h 
b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h
new file mode 100644
index 000000000000..ca03d17e13fa
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2022 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.
+ *
+ */
+
+#ifndef __JPEG_V4_0_3_H__
+#define __JPEG_V4_0_3_H__
+
+#define regUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET                       0x1bfff
+#define regUVD_JPEG_GPCOM_CMD_INTERNAL_OFFSET                          0x404d
+#define regUVD_JPEG_GPCOM_DATA0_INTERNAL_OFFSET                                
0x404e
+#define regUVD_JPEG_GPCOM_DATA1_INTERNAL_OFFSET                                
0x404f
+#define regUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW_INTERNAL_OFFSET                
0x40ab
+#define regUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH_INTERNAL_OFFSET       0x40ac
+#define regUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET                                
0x40a4
+#define regUVD_LMI_JPEG_VMID_INTERNAL_OFFSET                           0x40a6
+#define regUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET               0x40b6
+#define regUVD_LMI_JRBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET              0x40b7
+#define regUVD_JRBC_IB_SIZE_INTERNAL_OFFSET                            0x4082
+#define regUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW_INTERNAL_OFFSET                
0x42d4
+#define regUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH_INTERNAL_OFFSET       0x42d5
+#define regUVD_JRBC_RB_COND_RD_TIMER_INTERNAL_OFFSET                   0x4085
+#define regUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET                                
0x4084
+#define regUVD_JRBC_STATUS_INTERNAL_OFFSET                             0x4089
+#define regUVD_JPEG_PITCH_INTERNAL_OFFSET                              0x4043
+
+#define JRBC_DEC_EXTERNAL_REG_WRITE_ADDR                               0x18000
+
+extern const struct amdgpu_ip_block_version jpeg_v4_0_3_ip_block;
+
+#endif /* __JPEG_V4_0_3_H__ */
-- 
2.39.2

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