linux/drivers/gpu/drm/radeon/vce_v1_0.c

/*
 * 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 <[email protected]>
 */

#include <linux/firmware.h>

#include "radeon.h"
#include "radeon_asic.h"
#include "sid.h"
#include "vce.h"

#define VCE_V1_0_FW_SIZE …
#define VCE_V1_0_STACK_SIZE …
#define VCE_V1_0_DATA_SIZE …

struct vce_v1_0_fw_signature
{ … };

/**
 * 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)
{ … }

/**
 * 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)
{ … }

/**
 * 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)
{ … }

void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable)
{ … }

static void vce_v1_0_init_cg(struct radeon_device *rdev)
{ … }

int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
{ … }

unsigned vce_v1_0_bo_size(struct radeon_device *rdev)
{ … }

int vce_v1_0_resume(struct radeon_device *rdev)
{ … }

/**
 * 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)
{ … }

int vce_v1_0_init(struct radeon_device *rdev)
{ … }