--- /dev/null
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+
+#include <linux/firmware.h>
+#include <drm/drmP.h>
+#include "amdgpu.h"
+#include "amdgpu_vce.h"
+#include "soc15d.h"
+#include "soc15_common.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/VCE/vce_4_0_offset.h"
+#include "vega10/VCE/vce_4_0_default.h"
+#include "vega10/VCE/vce_4_0_sh_mask.h"
+#include "vega10/MMHUB/mmhub_1_0_offset.h"
+#include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
+
+#define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02
+
+#define VCE_V4_0_FW_SIZE (384 * 1024)
+#define VCE_V4_0_STACK_SIZE (64 * 1024)
+#define VCE_V4_0_DATA_SIZE ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
+
+static void vce_v4_0_mc_resume(struct amdgpu_device *adev);
+static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev);
+static void vce_v4_0_set_irq_funcs(struct amdgpu_device *adev);
+
+/**
+ * vce_v4_0_ring_get_rptr - get read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+static uint64_t vce_v4_0_ring_get_rptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->vce.ring[0])
+ return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR));
+ else if (ring == &adev->vce.ring[1])
+ return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR2));
+ else
+ return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR3));
+}
+
+/**
+ * vce_v4_0_ring_get_wptr - get write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+static uint64_t vce_v4_0_ring_get_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->vce.ring[0])
+ return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR));
+ else if (ring == &adev->vce.ring[1])
+ return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2));
+ else
+ return RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3));
+}
+
+/**
+ * vce_v4_0_ring_set_wptr - set write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+static void vce_v4_0_ring_set_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->vce.ring[0])
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR),
+ lower_32_bits(ring->wptr));
+ else if (ring == &adev->vce.ring[1])
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2),
+ lower_32_bits(ring->wptr));
+ else
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3),
+ lower_32_bits(ring->wptr));
+}
+
+static int vce_v4_0_firmware_loaded(struct amdgpu_device *adev)
+{
+ int i, j;
+
+ for (i = 0; i < 10; ++i) {
+ for (j = 0; j < 100; ++j) {
+ uint32_t status =
+ RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS));
+
+ if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK)
+ return 0;
+ mdelay(10);
+ }
+
+ DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET),
+ VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
+ ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+ mdelay(10);
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 0,
+ ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+ mdelay(10);
+
+ }
+
+ return -ETIMEDOUT;
+}
+
+/**
+ * vce_v4_0_start - start VCE block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup and start the VCE block
+ */
+static int vce_v4_0_start(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring;
+ int r;
+
+ ring = &adev->vce.ring[0];
+
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR), lower_32_bits(ring->wptr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR), lower_32_bits(ring->wptr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO), ring->gpu_addr);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI), upper_32_bits(ring->gpu_addr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE), ring->ring_size / 4);
+
+ ring = &adev->vce.ring[1];
+
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR2), lower_32_bits(ring->wptr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR2), lower_32_bits(ring->wptr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO2), ring->gpu_addr);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI2), upper_32_bits(ring->gpu_addr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE2), ring->ring_size / 4);
+
+ ring = &adev->vce.ring[2];
+
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_RPTR3), lower_32_bits(ring->wptr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_WPTR3), lower_32_bits(ring->wptr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_LO3), ring->gpu_addr);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_BASE_HI3), upper_32_bits(ring->gpu_addr));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE3), ring->ring_size / 4);
+
+ vce_v4_0_mc_resume(adev);
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), VCE_STATUS__JOB_BUSY_MASK,
+ ~VCE_STATUS__JOB_BUSY_MASK);
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 1, ~0x200001);
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET), 0,
+ ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+ mdelay(100);
+
+ r = vce_v4_0_firmware_loaded(adev);
+
+ /* clear BUSY flag */
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 0, ~VCE_STATUS__JOB_BUSY_MASK);
+
+ if (r) {
+ DRM_ERROR("VCE not responding, giving up!!!\n");
+ return r;
+ }
+
+ return 0;
+}
+
+static int vce_v4_0_stop(struct amdgpu_device *adev)
+{
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CNTL), 0, ~0x200001);
+
+ /* hold on ECPU */
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SOFT_RESET),
+ VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
+ ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+
+ /* clear BUSY flag */
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS), 0, ~VCE_STATUS__JOB_BUSY_MASK);
+
+ /* Set Clock-Gating off */
+ /* if (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)
+ vce_v4_0_set_vce_sw_clock_gating(adev, false);
+ */
+
+ return 0;
+}
+
+static int vce_v4_0_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ adev->vce.num_rings = 3;
+
+ vce_v4_0_set_ring_funcs(adev);
+ vce_v4_0_set_irq_funcs(adev);
+
+ return 0;
+}
+
+static int vce_v4_0_sw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct amdgpu_ring *ring;
+ unsigned size;
+ int r, i;
+
+ r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VCE0, 167, &adev->vce.irq);
+ if (r)
+ return r;
+
+ size = (VCE_V4_0_STACK_SIZE + VCE_V4_0_DATA_SIZE) * 2;
+ if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
+ size += VCE_V4_0_FW_SIZE;
+
+ r = amdgpu_vce_sw_init(adev, size);
+ if (r)
+ return r;
+
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+ const struct common_firmware_header *hdr;
+ hdr = (const struct common_firmware_header *)adev->vce.fw->data;
+ adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].ucode_id = AMDGPU_UCODE_ID_VCE;
+ adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].fw = adev->vce.fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
+ DRM_INFO("PSP loading VCE firmware\n");
+ }
+
+ if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+ r = amdgpu_vce_resume(adev);
+ if (r)
+ return r;
+ }
+
+ for (i = 0; i < adev->vce.num_rings; i++) {
+ ring = &adev->vce.ring[i];
+ sprintf(ring->name, "vce%d", i);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0);
+ if (r)
+ return r;
+ }
+
+ return r;
+}
+
+static int vce_v4_0_sw_fini(void *handle)
+{
+ int r;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ r = amdgpu_vce_suspend(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_vce_sw_fini(adev);
+ if (r)
+ return r;
+
+ return r;
+}
+
+static int vce_v4_0_hw_init(void *handle)
+{
+ int r, i;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ r = vce_v4_0_start(adev);
+ if (r)
+ return r;
+
+ for (i = 0; i < adev->vce.num_rings; i++)
+ adev->vce.ring[i].ready = false;
+
+ for (i = 0; i < adev->vce.num_rings; i++) {
+ r = amdgpu_ring_test_ring(&adev->vce.ring[i]);
+ if (r)
+ return r;
+ else
+ adev->vce.ring[i].ready = true;
+ }
+
+ DRM_INFO("VCE initialized successfully.\n");
+
+ return 0;
+}
+
+static int vce_v4_0_hw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int i;
+
+ /* vce_v4_0_wait_for_idle(handle); */
+ vce_v4_0_stop(adev);
+ for (i = 0; i < adev->vce.num_rings; i++)
+ adev->vce.ring[i].ready = false;
+
+ return 0;
+}
+
+static int vce_v4_0_suspend(void *handle)
+{
+ int r;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ r = vce_v4_0_hw_fini(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_vce_suspend(adev);
+ if (r)
+ return r;
+
+ return r;
+}
+
+static int vce_v4_0_resume(void *handle)
+{
+ int r;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ r = amdgpu_vce_resume(adev);
+ if (r)
+ return r;
+
+ r = vce_v4_0_hw_init(adev);
+ if (r)
+ return r;
+
+ return r;
+}
+
+static void vce_v4_0_mc_resume(struct amdgpu_device *adev)
+{
+ uint32_t offset, size;
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A), 0, ~(1 << 16));
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), 0x1FF000, ~0xFF9FF000);
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), 0x3F, ~0x3F);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), 0x1FF);
+
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL), 0x00398000);
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CACHE_CTRL), 0x0, ~0x1);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL), 0);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_SWAP_CNTL1), 0);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VM_CTRL), 0);
+
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR0),
+ (adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].mc_addr >> 8));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR0),
+ (adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].mc_addr >> 40) & 0xff);
+ } else {
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR0),
+ (adev->vce.gpu_addr >> 8));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR0),
+ (adev->vce.gpu_addr >> 40) & 0xff);
+ }
+
+ offset = AMDGPU_VCE_FIRMWARE_OFFSET;
+ size = VCE_V4_0_FW_SIZE;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET0), offset & ~0x0f000000);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE0), size);
+
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR1), (adev->vce.gpu_addr >> 8));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR1), (adev->vce.gpu_addr >> 40) & 0xff);
+ offset = (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) ? offset + size : 0;
+ size = VCE_V4_0_STACK_SIZE;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET1), (offset & ~0x0f000000) | (1 << 24));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE1), size);
+
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_40BIT_BAR2), (adev->vce.gpu_addr >> 8));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_VCPU_CACHE_64BIT_BAR2), (adev->vce.gpu_addr >> 40) & 0xff);
+ offset += size;
+ size = VCE_V4_0_DATA_SIZE;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_OFFSET2), (offset & ~0x0f000000) | (2 << 24));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_VCPU_CACHE_SIZE2), size);
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_LMI_CTRL2), 0x0, ~0x100);
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN),
+ VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
+ ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
+}
+
+static int vce_v4_0_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ /* needed for driver unload*/
+ return 0;
+}
+
+#if 0
+static bool vce_v4_0_is_idle(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ u32 mask = 0;
+
+ mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK;
+ mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK;
+
+ return !(RREG32(mmSRBM_STATUS2) & mask);
+}
+
+static int vce_v4_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 (vce_v4_0_is_idle(handle))
+ return 0;
+
+ return -ETIMEDOUT;
+}
+
+#define VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK 0x00000008L /* AUTO_BUSY */
+#define VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK 0x00000010L /* RB0_BUSY */
+#define VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK 0x00000020L /* RB1_BUSY */
+#define AMDGPU_VCE_STATUS_BUSY_MASK (VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK | \
+ VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK)
+
+static bool vce_v4_0_check_soft_reset(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ u32 srbm_soft_reset = 0;
+
+ /* According to VCE team , we should use VCE_STATUS instead
+ * SRBM_STATUS.VCE_BUSY bit for busy status checking.
+ * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE
+ * instance's registers are accessed
+ * (0 for 1st instance, 10 for 2nd instance).
+ *
+ *VCE_STATUS
+ *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 | |FW_LOADED|JOB |
+ *|----+----+-----------+----+----+----+----------+---------+----|
+ *|bit8|bit7| bit6 |bit5|bit4|bit3| bit2 | bit1 |bit0|
+ *
+ * VCE team suggest use bit 3--bit 6 for busy status check
+ */
+ mutex_lock(&adev->grbm_idx_mutex);
+ WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0);
+ if (RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
+ srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
+ srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
+ }
+ WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0x10);
+ if (RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
+ srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
+ srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
+ }
+ WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0);
+ mutex_unlock(&adev->grbm_idx_mutex);
+
+ if (srbm_soft_reset) {
+ adev->vce.srbm_soft_reset = srbm_soft_reset;
+ return true;
+ } else {
+ adev->vce.srbm_soft_reset = 0;
+ return false;
+ }
+}
+
+static int vce_v4_0_soft_reset(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ u32 srbm_soft_reset;
+
+ if (!adev->vce.srbm_soft_reset)
+ return 0;
+ srbm_soft_reset = adev->vce.srbm_soft_reset;
+
+ if (srbm_soft_reset) {
+ u32 tmp;
+
+ tmp = RREG32(mmSRBM_SOFT_RESET);
+ tmp |= srbm_soft_reset;
+ dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32(mmSRBM_SOFT_RESET, tmp);
+ tmp = RREG32(mmSRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~srbm_soft_reset;
+ WREG32(mmSRBM_SOFT_RESET, tmp);
+ tmp = RREG32(mmSRBM_SOFT_RESET);
+
+ /* Wait a little for things to settle down */
+ udelay(50);
+ }
+
+ return 0;
+}
+
+static int vce_v4_0_pre_soft_reset(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (!adev->vce.srbm_soft_reset)
+ return 0;
+
+ mdelay(5);
+
+ return vce_v4_0_suspend(adev);
+}
+
+
+static int vce_v4_0_post_soft_reset(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (!adev->vce.srbm_soft_reset)
+ return 0;
+
+ mdelay(5);
+
+ return vce_v4_0_resume(adev);
+}
+
+static void vce_v4_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override)
+{
+ u32 tmp, data;
+
+ tmp = data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_ARB_CTRL));
+ if (override)
+ data |= VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;
+ else
+ data &= ~VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK;
+
+ if (tmp != data)
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_ARB_CTRL), data);
+}
+
+static void vce_v4_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,
+ bool gated)
+{
+ u32 data;
+
+ /* Set Override to disable Clock Gating */
+ vce_v4_0_override_vce_clock_gating(adev, true);
+
+ /* This function enables MGCG which is controlled by firmware.
+ With the clocks in the gated state the core is still
+ accessible but the firmware will throttle the clocks on the
+ fly as necessary.
+ */
+ if (gated) {
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B));
+ data |= 0x1ff;
+ data &= ~0xef0000;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING));
+ data |= 0x3ff000;
+ data &= ~0xffc00000;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2));
+ data |= 0x2;
+ data &= ~0x00010000;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING));
+ data |= 0x37f;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL));
+ data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK |
+ 0x8;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL), data);
+ } else {
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B));
+ data &= ~0x80010;
+ data |= 0xe70008;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_B), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING));
+ data |= 0xffc00000;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2));
+ data |= 0x10000;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING_2), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING));
+ data &= ~0xffc00000;
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_REG_CLOCK_GATING), data);
+
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL));
+ data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK |
+ VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK |
+ 0x8);
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_DMA_DCLK_CTRL), data);
+ }
+ vce_v4_0_override_vce_clock_gating(adev, false);
+}
+
+static void vce_v4_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
+{
+ u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
+
+ if (enable)
+ tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
+ else
+ tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
+
+ WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
+}
+
+static int vce_v4_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;
+ int i;
+
+ if ((adev->asic_type == CHIP_POLARIS10) ||
+ (adev->asic_type == CHIP_TONGA) ||
+ (adev->asic_type == CHIP_FIJI))
+ vce_v4_0_set_bypass_mode(adev, enable);
+
+ if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG))
+ return 0;
+
+ mutex_lock(&adev->grbm_idx_mutex);
+ for (i = 0; i < 2; i++) {
+ /* Program VCE Instance 0 or 1 if not harvested */
+ if (adev->vce.harvest_config & (1 << i))
+ continue;
+
+ WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, i);
+
+ if (enable) {
+ /* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */
+ uint32_t data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A);
+ data &= ~(0xf | 0xff0);
+ data |= ((0x0 << 0) | (0x04 << 4));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_CLOCK_GATING_A, data);
+
+ /* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */
+ data = RREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING);
+ data &= ~(0xf | 0xff0);
+ data |= ((0x0 << 0) | (0x04 << 4));
+ WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_UENC_CLOCK_GATING, data);
+ }
+
+ vce_v4_0_set_vce_sw_clock_gating(adev, enable);
+ }
+
+ WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, 0);
+ mutex_unlock(&adev->grbm_idx_mutex);
+
+ return 0;
+}
+
+static int vce_v4_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ /* This doesn't actually powergate the VCE 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;
+
+ if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE))
+ return 0;
+
+ if (state == AMD_PG_STATE_GATE)
+ /* XXX do we need a vce_v4_0_stop()? */
+ return 0;
+ else
+ return vce_v4_0_start(adev);
+}
+#endif
+
+static void vce_v4_0_ring_emit_ib(struct amdgpu_ring *ring,
+ struct amdgpu_ib *ib, unsigned int vm_id, bool ctx_switch)
+{
+ amdgpu_ring_write(ring, VCE_CMD_IB_VM);
+ amdgpu_ring_write(ring, vm_id);
+ amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
+ amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+ amdgpu_ring_write(ring, ib->length_dw);
+}
+
+static void vce_v4_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, VCE_CMD_FENCE);
+ amdgpu_ring_write(ring, addr);
+ amdgpu_ring_write(ring, upper_32_bits(addr));
+ amdgpu_ring_write(ring, seq);
+ amdgpu_ring_write(ring, VCE_CMD_TRAP);
+}
+
+static void vce_v4_0_ring_insert_end(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, VCE_CMD_END);
+}
+
+static void vce_v4_0_emit_vm_flush(struct amdgpu_ring *ring,
+ unsigned int vm_id, uint64_t pd_addr)
+{
+ unsigned eng = ring->idx;
+ unsigned i;
+
+ pd_addr = pd_addr | 0x1; /* valid bit */
+ /* now only use physical base address of PDE and valid */
+ BUG_ON(pd_addr & 0xFFFF00000000003EULL);
+
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
+ struct amdgpu_vmhub *hub = &ring->adev->vmhub[i];
+ uint32_t req = hub->get_invalidate_req(vm_id);
+
+ amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);
+ amdgpu_ring_write(ring,
+ (hub->ctx0_ptb_addr_hi32 + vm_id * 2) << 2);
+ amdgpu_ring_write(ring, upper_32_bits(pd_addr));
+
+ amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);
+ amdgpu_ring_write(ring,
+ (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2);
+ amdgpu_ring_write(ring, lower_32_bits(pd_addr));
+
+ amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
+ amdgpu_ring_write(ring,
+ (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2);
+ amdgpu_ring_write(ring, 0xffffffff);
+ amdgpu_ring_write(ring, lower_32_bits(pd_addr));
+
+ /* flush TLB */
+ amdgpu_ring_write(ring, VCE_CMD_REG_WRITE);
+ amdgpu_ring_write(ring, (hub->vm_inv_eng0_req + eng) << 2);
+ amdgpu_ring_write(ring, req);
+
+ /* wait for flush */
+ amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
+ amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2);
+ amdgpu_ring_write(ring, 1 << vm_id);
+ amdgpu_ring_write(ring, 1 << vm_id);
+ }
+}
+
+static int vce_v4_0_set_interrupt_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned type,
+ enum amdgpu_interrupt_state state)
+{
+ uint32_t val = 0;
+
+ if (state == AMDGPU_IRQ_STATE_ENABLE)
+ val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_EN), val,
+ ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
+ return 0;
+}
+
+static int vce_v4_0_process_interrupt(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ DRM_DEBUG("IH: VCE\n");
+
+ WREG32_P(SOC15_REG_OFFSET(VCE, 0, mmVCE_SYS_INT_STATUS),
+ VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK,
+ ~VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK);
+
+ switch (entry->src_data[0]) {
+ case 0:
+ case 1:
+ case 2:
+ amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]);
+ break;
+ default:
+ DRM_ERROR("Unhandled interrupt: %d %d\n",
+ entry->src_id, entry->src_data[0]);
+ break;
+ }
+
+ return 0;
+}
+
+const struct amd_ip_funcs vce_v4_0_ip_funcs = {
+ .name = "vce_v4_0",
+ .early_init = vce_v4_0_early_init,
+ .late_init = NULL,
+ .sw_init = vce_v4_0_sw_init,
+ .sw_fini = vce_v4_0_sw_fini,
+ .hw_init = vce_v4_0_hw_init,
+ .hw_fini = vce_v4_0_hw_fini,
+ .suspend = vce_v4_0_suspend,
+ .resume = vce_v4_0_resume,
+ .is_idle = NULL /* vce_v4_0_is_idle */,
+ .wait_for_idle = NULL /* vce_v4_0_wait_for_idle */,
+ .check_soft_reset = NULL /* vce_v4_0_check_soft_reset */,
+ .pre_soft_reset = NULL /* vce_v4_0_pre_soft_reset */,
+ .soft_reset = NULL /* vce_v4_0_soft_reset */,
+ .post_soft_reset = NULL /* vce_v4_0_post_soft_reset */,
+ .set_clockgating_state = vce_v4_0_set_clockgating_state,
+ .set_powergating_state = NULL /* vce_v4_0_set_powergating_state */,
+};
+
+static const struct amdgpu_ring_funcs vce_v4_0_ring_vm_funcs = {
+ .type = AMDGPU_RING_TYPE_VCE,
+ .align_mask = 0x3f,
+ .nop = VCE_CMD_NO_OP,
+ .support_64bit_ptrs = false,
+ .get_rptr = vce_v4_0_ring_get_rptr,
+ .get_wptr = vce_v4_0_ring_get_wptr,
+ .set_wptr = vce_v4_0_ring_set_wptr,
+ .parse_cs = amdgpu_vce_ring_parse_cs_vm,
+ .emit_frame_size =
+ 17 * AMDGPU_MAX_VMHUBS + /* vce_v4_0_emit_vm_flush */
+ 5 + 5 + /* amdgpu_vce_ring_emit_fence x2 vm fence */
+ 1, /* vce_v4_0_ring_insert_end */
+ .emit_ib_size = 5, /* vce_v4_0_ring_emit_ib */
+ .emit_ib = vce_v4_0_ring_emit_ib,
+ .emit_vm_flush = vce_v4_0_emit_vm_flush,
+ .emit_fence = vce_v4_0_ring_emit_fence,
+ .test_ring = amdgpu_vce_ring_test_ring,
+ .test_ib = amdgpu_vce_ring_test_ib,
+ .insert_nop = amdgpu_ring_insert_nop,
+ .insert_end = vce_v4_0_ring_insert_end,
+ .pad_ib = amdgpu_ring_generic_pad_ib,
+ .begin_use = amdgpu_vce_ring_begin_use,
+ .end_use = amdgpu_vce_ring_end_use,
+};
+
+static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev)
+{
+ int i;
+
+ for (i = 0; i < adev->vce.num_rings; i++)
+ adev->vce.ring[i].funcs = &vce_v4_0_ring_vm_funcs;
+ DRM_INFO("VCE enabled in VM mode\n");
+}
+
+static const struct amdgpu_irq_src_funcs vce_v4_0_irq_funcs = {
+ .set = vce_v4_0_set_interrupt_state,
+ .process = vce_v4_0_process_interrupt,
+};
+
+static void vce_v4_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->vce.irq.num_types = 1;
+ adev->vce.irq.funcs = &vce_v4_0_irq_funcs;
+};
+
+const struct amdgpu_ip_block_version vce_v4_0_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_VCE,
+ .major = 4,
+ .minor = 0,
+ .rev = 0,
+ .funcs = &vce_v4_0_ip_funcs,
+};
projects / platform / kernel / linux-rpi3.git / commitdiff