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/drm.h>

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

/* 1 second timeout */
#define UVD_IDLE_TIMEOUT_MS	1000

/* Firmware Names */
#define FIRMWARE_R600		"radeon/R600_uvd.bin"
#define FIRMWARE_RS780		"radeon/RS780_uvd.bin"
#define FIRMWARE_RV770		"radeon/RV770_uvd.bin"
#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_LEGACY	"radeon/BONAIRE_uvd.bin"
#define FIRMWARE_BONAIRE	"radeon/bonaire_uvd.bin"

MODULE_FIRMWARE(FIRMWARE_R600);
MODULE_FIRMWARE(FIRMWARE_RS780);
MODULE_FIRMWARE(FIRMWARE_RV770);
MODULE_FIRMWARE(FIRMWARE_RV710);
MODULE_FIRMWARE(FIRMWARE_CYPRESS);
MODULE_FIRMWARE(FIRMWARE_SUMO);
MODULE_FIRMWARE(FIRMWARE_TAHITI);
MODULE_FIRMWARE(FIRMWARE_BONAIRE_LEGACY);
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 = NULL, *legacy_fw_name = NULL;
	int i, r;

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

	switch (rdev->family) {
	case CHIP_RV610:
	case CHIP_RV630:
	case CHIP_RV670:
	case CHIP_RV620:
	case CHIP_RV635:
		legacy_fw_name = FIRMWARE_R600;
		break;

	case CHIP_RS780:
	case CHIP_RS880:
		legacy_fw_name = FIRMWARE_RS780;
		break;

	case CHIP_RV770:
		legacy_fw_name = FIRMWARE_RV770;
		break;

	case CHIP_RV710:
	case CHIP_RV730:
	case CHIP_RV740:
		legacy_fw_name = FIRMWARE_RV710;
		break;

	case CHIP_CYPRESS:
	case CHIP_HEMLOCK:
	case CHIP_JUNIPER:
	case CHIP_REDWOOD:
	case CHIP_CEDAR:
		legacy_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:
		legacy_fw_name = FIRMWARE_SUMO;
		break;

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

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

	default:
		return -EINVAL;
	}

	rdev->uvd.fw_header_present = false;
	rdev->uvd.max_handles = RADEON_DEFAULT_UVD_HANDLES;
	if (fw_name) {
		/* Let's try to load the newer firmware first */
		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);
		} else {
			struct common_firmware_header *hdr = (void *)rdev->uvd_fw->data;
			unsigned version_major, version_minor, family_id;

			r = radeon_ucode_validate(rdev->uvd_fw);
			if (r)
				return r;

			rdev->uvd.fw_header_present = true;

			family_id = (__force u32)(hdr->ucode_version) & 0xff;
			version_major = (le32_to_cpu((__force __le32)(hdr->ucode_version))
							 >> 24) & 0xff;
			version_minor = (le32_to_cpu((__force __le32)(hdr->ucode_version))
							 >> 8) & 0xff;
			DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
				 version_major, version_minor, family_id);

			/*
			 * Limit the number of UVD handles depending on
			 * microcode major and minor versions.
			 */