Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / uvd_v2_2.c
diff --git a/kernel/drivers/gpu/drm/radeon/uvd_v2_2.c b/kernel/drivers/gpu/drm/radeon/uvd_v2_2.c
new file mode 100644 (file)
index 0000000..7ed778c
--- /dev/null
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+/*
+ * Copyright 2013 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.
+ *
+ * Authors: Christian König <christian.koenig@amd.com>
+ */
+
+#include <linux/firmware.h>
+#include <drm/drmP.h>
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "rv770d.h"
+
+/**
+ * uvd_v2_2_fence_emit - emit an fence & trap command
+ *
+ * @rdev: radeon_device pointer
+ * @fence: fence to emit
+ *
+ * Write a fence and a trap command to the ring.
+ */
+void uvd_v2_2_fence_emit(struct radeon_device *rdev,
+                        struct radeon_fence *fence)
+{
+       struct radeon_ring *ring = &rdev->ring[fence->ring];
+       uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
+
+       radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
+       radeon_ring_write(ring, fence->seq);
+       radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
+       radeon_ring_write(ring, lower_32_bits(addr));
+       radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
+       radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
+       radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
+       radeon_ring_write(ring, 0);
+
+       radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
+       radeon_ring_write(ring, 0);
+       radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
+       radeon_ring_write(ring, 0);
+       radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
+       radeon_ring_write(ring, 2);
+}
+
+/**
+ * uvd_v2_2_semaphore_emit - emit semaphore command
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring pointer
+ * @semaphore: semaphore to emit commands for
+ * @emit_wait: true if we should emit a wait command
+ *
+ * Emit a semaphore command (either wait or signal) to the UVD ring.
+ */
+bool uvd_v2_2_semaphore_emit(struct radeon_device *rdev,
+                            struct radeon_ring *ring,
+                            struct radeon_semaphore *semaphore,
+                            bool emit_wait)
+{
+       uint64_t addr = semaphore->gpu_addr;
+
+       radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
+       radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
+
+       radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
+       radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
+
+       radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
+       radeon_ring_write(ring, emit_wait ? 1 : 0);
+
+       return true;
+}
+
+/**
+ * uvd_v2_2_resume - memory controller programming
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Let the UVD memory controller know it's offsets
+ */
+int uvd_v2_2_resume(struct radeon_device *rdev)
+{
+       uint64_t addr;
+       uint32_t chip_id, size;
+       int r;
+
+       /* RV770 uses V1.0 MC */
+       if (rdev->family == CHIP_RV770)
+               return uvd_v1_0_resume(rdev);
+
+       r = radeon_uvd_resume(rdev);
+       if (r)
+               return r;
+
+       /* programm the VCPU memory controller bits 0-27 */
+       addr = rdev->uvd.gpu_addr >> 3;
+       size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
+       WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
+       WREG32(UVD_VCPU_CACHE_SIZE0, size);
+
+       addr += size;
+       size = RADEON_UVD_STACK_SIZE >> 3;
+       WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
+       WREG32(UVD_VCPU_CACHE_SIZE1, size);
+
+       addr += size;
+       size = RADEON_UVD_HEAP_SIZE >> 3;
+       WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
+       WREG32(UVD_VCPU_CACHE_SIZE2, size);
+
+       /* bits 28-31 */
+       addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
+       WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
+
+       /* bits 32-39 */
+       addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
+       WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
+
+       /* tell firmware which hardware it is running on */
+       switch (rdev->family) {
+       default:
+               return -EINVAL;
+       case CHIP_RV710:
+               chip_id = 0x01000005;
+               break;
+       case CHIP_RV730:
+               chip_id = 0x01000006;
+               break;
+       case CHIP_RV740:
+               chip_id = 0x01000007;
+               break;
+       case CHIP_CYPRESS:
+       case CHIP_HEMLOCK:
+               chip_id = 0x01000008;
+               break;
+       case CHIP_JUNIPER:
+               chip_id = 0x01000009;
+               break;
+       case CHIP_REDWOOD:
+               chip_id = 0x0100000a;
+               break;
+       case CHIP_CEDAR:
+               chip_id = 0x0100000b;
+               break;
+       case CHIP_SUMO:
+       case CHIP_SUMO2:
+               chip_id = 0x0100000c;
+               break;
+       case CHIP_PALM:
+               chip_id = 0x0100000e;
+               break;
+       case CHIP_CAYMAN:
+               chip_id = 0x0100000f;
+               break;
+       case CHIP_BARTS:
+               chip_id = 0x01000010;
+               break;
+       case CHIP_TURKS:
+               chip_id = 0x01000011;
+               break;
+       case CHIP_CAICOS:
+               chip_id = 0x01000012;
+               break;
+       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;
+       }
+       WREG32(UVD_VCPU_CHIP_ID, chip_id);
+
+       return 0;
+}