Signed-off-by: Alexandre Demers <alexandre.f.demers at gmail.com>
---
drivers/gpu/drm/amd/amdgpu/vce_v1_0.c | 384 ++++++++++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/vce_v1_0.h | 29 +++
2 files changed, 413 insertions(+)
create mode 100644 drivers/gpu/drm/amd/amdgpu/vce_v1_0.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/vce_v1_0.h
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v1_0.c
new file mode 100644
index 000000000000..f541a4b5ac51
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v1_0.c
@@ -0,0 +1,384 @@
+/*
+ * Copyright 2013 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.
+ *
+ * Authors: Christian König <christian.koenig at amd.com>
+ */
+
+#include <linux/firmware.h>
+#include <drm/drmP.h>
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "sid.h"
+
+#define VCE_V1_0_FW_SIZE (256 * 1024)
+#define VCE_V1_0_STACK_SIZE (64 * 1024)
+#define VCE_V1_0_DATA_SIZE (7808 * (RADEON_MAX_VCE_HANDLES + 1))
+
+struct vce_v1_0_fw_signature
+{
+ int32_t off;
+ uint32_t len;
+ int32_t num;
+ struct {
+ uint32_t chip_id;
+ uint32_t keyselect;
+ uint32_t nonce[4];
+ uint32_t sigval[4];
+ } val[8];
+};
+
+/**
+ * vce_v1_0_get_rptr - get read pointer
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+uint32_t vce_v1_0_get_rptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
+ return RREG32(VCE_RB_RPTR);
+ else
+ return RREG32(VCE_RB_RPTR2);
+}
+
+/**
+ * vce_v1_0_get_wptr - get write pointer
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+uint32_t vce_v1_0_get_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
+ return RREG32(VCE_RB_WPTR);
+ else
+ return RREG32(VCE_RB_WPTR2);
+}
+
+/**
+ * vce_v1_0_set_wptr - set write pointer
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+void vce_v1_0_set_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
+ WREG32(VCE_RB_WPTR, ring->wptr);
+ else
+ WREG32(VCE_RB_WPTR2, ring->wptr);
+}
+
+void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable)
+{
+ u32 tmp;
+
+ if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_VCE_MGCG)) {
+ tmp = RREG32(VCE_CLOCK_GATING_A);
+ tmp |= CGC_DYN_CLOCK_MODE;
+ WREG32(VCE_CLOCK_GATING_A, tmp);
+
+ tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp &= ~0x1ff000;
+ tmp |= 0xff800000;
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
+ tmp &= ~0x3ff;
+ WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
+ } else {
+ tmp = RREG32(VCE_CLOCK_GATING_A);
+ tmp &= ~CGC_DYN_CLOCK_MODE;
+ WREG32(VCE_CLOCK_GATING_A, tmp);
+
+ tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp |= 0x1ff000;
+ tmp &= ~0xff800000;
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
+ tmp |= 0x3ff;
+ WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
+ }
+}
+
+static void vce_v1_0_init_cg(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32(VCE_CLOCK_GATING_A);
+ tmp |= CGC_DYN_CLOCK_MODE;
+ WREG32(VCE_CLOCK_GATING_A, tmp);
+
+ tmp = RREG32(VCE_CLOCK_GATING_B);
+ tmp |= 0x1e;
+ tmp &= ~0xe100e1;
+ WREG32(VCE_CLOCK_GATING_B, tmp);
+
+ tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp &= ~0xff9ff000;
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
+ tmp &= ~0x3ff;
+ WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
+}
+
+int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
+{
+ struct vce_v1_0_fw_signature *sign = (void*)rdev->vce_fw->data;
+ uint32_t chip_id;
+ int i;
+
+ switch (rdev->family) {
+ case CHIP_TAHITI:
+ chip_id = 0x01000014;
+ break;
+ case CHIP_VERDE:
+ chip_id = 0x01000015;
+ break;
+ case CHIP_PITCAIRN:
+ case CHIP_OLAND:
+ chip_id = 0x01000016;
+ break;
+ case CHIP_ARUBA:
+ chip_id = 0x01000017;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < le32_to_cpu(sign->num); ++i) {
+ if (le32_to_cpu(sign->val[i].chip_id) == chip_id)
+ break;
+ }
+
+ if (i == le32_to_cpu(sign->num))
+ return -EINVAL;
+
+ data += (256 - 64) / 4;
+ data[0] = sign->val[i].nonce[0];
+ data[1] = sign->val[i].nonce[1];
+ data[2] = sign->val[i].nonce[2];
+ data[3] = sign->val[i].nonce[3];
+ data[4] = cpu_to_le32(le32_to_cpu(sign->len) + 64);
+
+ memset(&data[5], 0, 44);
+ memcpy(&data[16], &sign[1], rdev->vce_fw->size - sizeof(*sign));
+
+ data += (le32_to_cpu(sign->len) + 64) / 4;
+ data[0] = sign->val[i].sigval[0];
+ data[1] = sign->val[i].sigval[1];
+ data[2] = sign->val[i].sigval[2];
+ data[3] = sign->val[i].sigval[3];
+
+ rdev->vce.keyselect = le32_to_cpu(sign->val[i].keyselect);
+
+ return 0;
+}
+
+unsigned vce_v1_0_bo_size(struct radeon_device *rdev)
+{
+ WARN_ON(VCE_V1_0_FW_SIZE < rdev->vce_fw->size);
+ return VCE_V1_0_FW_SIZE + VCE_V1_0_STACK_SIZE + VCE_V1_0_DATA_SIZE;
+}
+
+int vce_v1_0_resume(struct radeon_device *rdev)
+{
+ uint64_t addr = rdev->vce.gpu_addr;
+ uint32_t size;
+ int i;
+
+ WREG32_P(VCE_CLOCK_GATING_A, 0, ~(1 << 16));
+ WREG32_P(VCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
+ WREG32_P(VCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
+ WREG32(VCE_CLOCK_GATING_B, 0);
+
+ WREG32_P(VCE_LMI_FW_PERIODIC_CTRL, 0x4, ~0x4);
+
+ WREG32(VCE_LMI_CTRL, 0x00398000);
+ WREG32_P(VCE_LMI_CACHE_CTRL, 0x0, ~0x1);
+ WREG32(VCE_LMI_SWAP_CNTL, 0);
+ WREG32(VCE_LMI_SWAP_CNTL1, 0);
+ WREG32(VCE_LMI_VM_CTRL, 0);
+
+ WREG32(VCE_VCPU_SCRATCH7, RADEON_MAX_VCE_HANDLES);
+
+ addr += 256;
+ size = VCE_V1_0_FW_SIZE;
+ WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
+ WREG32(VCE_VCPU_CACHE_SIZE0, size);
+
+ addr += size;
+ size = VCE_V1_0_STACK_SIZE;
+ WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
+ WREG32(VCE_VCPU_CACHE_SIZE1, size);
+
+ addr += size;
+ size = VCE_V1_0_DATA_SIZE;
+ WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
+ WREG32(VCE_VCPU_CACHE_SIZE2, size);
+
+ WREG32_P(VCE_LMI_CTRL2, 0x0, ~0x100);
+
+ WREG32(VCE_LMI_FW_START_KEYSEL, rdev->vce.keyselect);
+
+ for (i = 0; i < 10; ++i) {
+ mdelay(10);
+ if (RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_DONE)
+ break;
+ }
+
+ if (i == 10)
+ return -ETIMEDOUT;
+
+ if (!(RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_PASS))
+ return -EINVAL;
+
+ for (i = 0; i < 10; ++i) {
+ mdelay(10);
+ if (!(RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_BUSY))
+ break;
+ }
+
+ if (i == 10)
+ return -ETIMEDOUT;
+
+ vce_v1_0_init_cg(rdev);
+
+ return 0;
+}
+
+/**
+ * vce_v1_0_start - start VCE block
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Setup and start the VCE block
+ */
+int vce_v1_0_start(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring;
+ int i, j, r;
+
+ /* set BUSY flag */
+ WREG32_P(VCE_STATUS, 1, ~1);
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
+ WREG32(VCE_RB_RPTR, ring->wptr);
+ WREG32(VCE_RB_WPTR, ring->wptr);
+ WREG32(VCE_RB_BASE_LO, ring->gpu_addr);
+ WREG32(VCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+ WREG32(VCE_RB_SIZE, ring->ring_size / 4);
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
+ WREG32(VCE_RB_RPTR2, ring->wptr);
+ WREG32(VCE_RB_WPTR2, ring->wptr);
+ WREG32(VCE_RB_BASE_LO2, ring->gpu_addr);
+ WREG32(VCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
+ WREG32(VCE_RB_SIZE2, ring->ring_size / 4);
+
+ WREG32_P(VCE_VCPU_CNTL, VCE_CLK_EN, ~VCE_CLK_EN);
+
+ WREG32_P(VCE_SOFT_RESET,
+ VCE_ECPU_SOFT_RESET |
+ VCE_FME_SOFT_RESET, ~(
+ VCE_ECPU_SOFT_RESET |
+ VCE_FME_SOFT_RESET));
+
+ mdelay(100);
+
+ WREG32_P(VCE_SOFT_RESET, 0, ~(
+ VCE_ECPU_SOFT_RESET |
+ VCE_FME_SOFT_RESET));
+
+ for (i = 0; i < 10; ++i) {
+ uint32_t status;
+ for (j = 0; j < 100; ++j) {
+ status = RREG32(VCE_STATUS);
+ if (status & 2)
+ break;
+ mdelay(10);
+ }
+ r = 0;
+ if (status & 2)
+ break;
+
+ DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
+ WREG32_P(VCE_SOFT_RESET, VCE_ECPU_SOFT_RESET, ~VCE_ECPU_SOFT_RESET);
+ mdelay(10);
+ WREG32_P(VCE_SOFT_RESET, 0, ~VCE_ECPU_SOFT_RESET);
+ mdelay(10);
+ r = -1;
+ }
+
+ /* clear BUSY flag */
+ WREG32_P(VCE_STATUS, 0, ~1);
+
+ if (r) {
+ DRM_ERROR("VCE not responding, giving up!!!\n");
+ return r;
+ }
+
+ return 0;
+}
+
+int vce_v1_0_init(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring;
+ int r;
+
+ r = vce_v1_0_start(rdev);
+ if (r)
+ return r;
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
+ ring->ready = true;
+ r = radeon_ring_test(rdev, TN_RING_TYPE_VCE1_INDEX, ring);
+ if (r) {
+ ring->ready = false;
+ return r;
+ }
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
+ ring->ready = true;
+ r = radeon_ring_test(rdev, TN_RING_TYPE_VCE2_INDEX, ring);
+ if (r) {
+ ring->ready = false;
+ return r;
+ }
+
+ DRM_INFO("VCE initialized successfully.\n");
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v1_0.h b/drivers/gpu/drm/amd/amdgpu/vce_v1_0.h
new file mode 100644
index 000000000000..4ba591897515
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v1_0.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2014 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 __VCE_V1_0_H__
+#define __VCE_V1_0_H__
+
+extern const struct amdgpu_ip_block_version vce_v1_0_ip_block;
+
+#endif
--
2.14.1
