path: root/drivers/gpu/drm/radeon/radeon_uvd.c

/*
 * Copyright 2011 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 <deathsimple@vodafone.de>
 */

#include <linux/firmware.h>
#include <linux/module.h>
#include <drm/drmP.h>
#include <drm/drm.h>

#include "radeon.h"
#include "r600d.h"

/* 1 second timeout */
#define UVD_IDLE_TIMEOUT_MS	1000

/* Firmware Names */
#define FIRMWARE_RV710		"radeon/RV710_uvd.bin"
#define FIRMWARE_CYPRESS	"radeon/CYPRESS_uvd.bin"
#define FIRMWARE_SUMO		"radeon/SUMO_uvd.bin"
#define FIRMWARE_TAHITI		"radeon/TAHITI_uvd.bin"
#define FIRMWARE_BONAIRE	"radeon/BONAIRE_uvd.bin"

MODULE_FIRMWARE(FIRMWARE_RV710);
MODULE_FIRMWARE(FIRMWARE_CYPRESS);
MODULE_FIRMWARE(FIRMWARE_SUMO);
MODULE_FIRMWARE(FIRMWARE_TAHITI);
MODULE_FIRMWARE(FIRMWARE_BONAIRE);

static void radeon_uvd_idle_work_handler(struct work_struct *work);

int radeon_uvd_init(struct radeon_device *rdev)
{
	unsigned long bo_size;
	const char *fw_name;
	int i, r;

	INIT_DELAYED_WORK(&rdev->uvd.idle_work, radeon_uvd_idle_work_handler);

	switch (rdev->family) {
	case CHIP_RV710:
	case CHIP_RV730:
	case CHIP_RV740:
		fw_name = FIRMWARE_RV710;
		break;

	case CHIP_CYPRESS:
	case CHIP_HEMLOCK:
	case CHIP_JUNIPER:
	case CHIP_REDWOOD:
	case CHIP_CEDAR:
		fw_name = FIRMWARE_CYPRESS;
		break;

	case CHIP_SUMO:
	case CHIP_SUMO2:
	case CHIP_PALM:
	case CHIP_CAYMAN:
	case CHIP_BARTS:
	case CHIP_TURKS:
	case CHIP_CAICOS:
		fw_name = FIRMWARE_SUMO;
		break;

	case CHIP_TAHITI:
	case CHIP_VERDE:
	case CHIP_PITCAIRN:
	case CHIP_ARUBA:
	case CHIP_OLAND:
		fw_name = FIRMWARE_TAHITI;
		break;

	case CHIP_BONAIRE:
	case CHIP_KABINI:
	case CHIP_KAVERI:
	case CHIP_HAWAII:
	case CHIP_MULLINS:
		fw_name = FIRMWARE_BONAIRE;
		break;

	default:
		return -EINVAL;
	}

	r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
	if (r) {
		dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
			fw_name);
		return r;
	}

	bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
		  RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE;
	r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
			     RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo);
	if (r) {
		dev_err(rdev->dev, "(%d) failed to allocate UVD bo\n", r);
		return r;
	}

	r = radeon_bo_reserve(rdev->uvd.vcpu_bo, false);
	if (r) {
		radeon_bo_unref(&rdev->uvd.vcpu_bo);
		dev_err(rdev->dev, "(%d) failed to reserve UVD bo\n", r);
		return r;
	}

	r = radeon_bo_pin(rdev->uvd.vcpu_bo, RADEON_GEM_DOMAIN_VRAM,
			  &rdev->uvd.gpu_addr);
	if (r) {
		radeon_bo_unreserve(rdev->uvd.vcpu_bo);
		radeon_bo_unref(&rdev->uvd.vcpu_bo);
		dev_err(rdev->dev, "(%d) UVD bo pin failed\n", r);
		return r;
	}

	r = radeon_bo_kmap(rdev->uvd.vcpu_bo, &rdev->uvd.cpu_addr);
	if (r) {
		dev_err(rdev->dev, "(%d) UVD map failed\n", r);
		return r;
	}

	radeon_bo_unreserve(rdev->uvd.vcpu_bo);

	for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
		atomic_set(&rdev->uvd.handles[i], 0);
		rdev->uvd.filp[i] = NULL;
		rdev->uvd.img_size[i] = 0;
	}

	return 0;
}

void radeon_uvd_fini(struct radeon_device *rdev)
{
	int r;

	if (rdev->uvd.vcpu_bo == NULL)
		return;

	r = radeon_bo_reserve(rdev->uvd.vcpu_bo, false);
	if (!r) {
		radeon_bo_kunmap(rdev->uvd.vcpu_bo);
		radeon_bo_unpin(rdev->uvd.vcpu_bo);
		radeon_bo_unreserve(rdev->uvd.vcpu_bo);
	}

	radeon_bo_unref(&rdev->uvd.vcpu_bo);

	radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX