--- /dev/null
+/*
+ * 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;
+ if (adev->asic_type == CHIP_SIENNA_CICHLID) {
+ u32 harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING);
+
+ if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
+ return -ENOENT;
+ }
+ adev->jpeg.num_jpeg_inst = 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;
+ sprintf(ring->name, "jpeg_dec");
+ r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
+ 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_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;
+ 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)
+ return r;
+
+ DRM_INFO("JPEG decode initialized successfully.\n");
+
+ return 0;
+}
+
+/**
+ * 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;
+ struct amdgpu_ring *ring;
+
+ ring = &adev->jpeg.inst->ring_dec;
+ 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);
+
+ ring->sched.ready = false;
+
+ 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;
+}
+
+/**
+ * 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;
+
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_jpeg(adev, true);
+
+ /* 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)
+{
+ /* reset JMI */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
+ UVD_JMI_CNTL__SOFT_RESET_MASK,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+ 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 adev->wb.wb[ring->wptr_offs];
+ 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) {
+ adev->wb.wb[ring->wptr_offs] = 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;
+ int ret = 0;
+
+ SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
+ UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
+ UVD_JRBC_STATUS__RB_JOB_DONE_MASK, ret);
+ if (ret)
+ return ret;
+
+ return ret;
+}
+
+static int jpeg_v3_0_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ 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,
+};
+
+static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = {
+ .type = AMDGPU_RING_TYPE_VCN_JPEG,
+ .align_mask = 0xf,
+ .vmhub = AMDGPU_MMHUB_0,
+ .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,
+ .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;
+ DRM_INFO("JPEG decode is enabled in VM mode\n");
+}
+
+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,
+};
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