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[media] coda: add i.MX6 VDOA driver

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The i.MX6 Video Data Order Adapter's (VDOA) sole purpose is to convert
from a custom macroblock tiled format produced by the CODA960 decoder
into linear formats that can be used for scanout.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Philipp Zabel
2017-01-20 12:00:20 -02:00
committed by Mauro Carvalho Chehab
parent 67c5900658
commit b0444f18e0
4 changed files with 400 additions and 0 deletions
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58
drivers/media/platform/coda/imx-vdoa.h Normal file
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/*
* Copyright (C) 2016 Pengutronix
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef IMX_VDOA_H
#define IMX_VDOA_H
struct vdoa_data;
struct vdoa_ctx;
#if (defined CONFIG_VIDEO_IMX_VDOA || defined CONFIG_VIDEO_IMX_VDOA_MODULE)
struct vdoa_ctx *vdoa_context_create(struct vdoa_data *vdoa);
int vdoa_context_configure(struct vdoa_ctx *ctx,
unsigned int width, unsigned int height,
u32 pixelformat);
void vdoa_context_destroy(struct vdoa_ctx *ctx);
void vdoa_device_run(struct vdoa_ctx *ctx, dma_addr_t dst, dma_addr_t src);
int vdoa_wait_for_completion(struct vdoa_ctx *ctx);
#else
static inline struct vdoa_ctx *vdoa_context_create(struct vdoa_data *vdoa)
{
return NULL;
}
static inline int vdoa_context_configure(struct vdoa_ctx *ctx,
unsigned int width,
unsigned int height,
u32 pixelformat)
{
return 0;
}
static inline void vdoa_context_destroy(struct vdoa_ctx *ctx) { };
static inline void vdoa_device_run(struct vdoa_ctx *ctx,
dma_addr_t dst, dma_addr_t src) { };
static inline int vdoa_wait_for_completion(struct vdoa_ctx *ctx)
{
return 0;
};
#endif
#endif /* IMX_VDOA_H */