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/* linux/drivers/media/video/samsung/jpeg_v2x/jpeg_mem.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Managent memory of the jpeg driver for encoder/docoder.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/errno.h>
#include <linux/vmalloc.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <asm/page.h>
#include <linux/cma.h>
#include "jpeg_mem.h"
#include "jpeg_core.h"
#if defined(CONFIG_VIDEOBUF2_ION)
#define JPEG_ION_NAME "s5p-jpeg"
#endif
#if defined(CONFIG_VIDEOBUF2_CMA_PHYS)
void *jpeg_cma_init(struct jpeg_dev *dev)
{
return vb2_cma_phys_init(&dev->plat_dev->dev, NULL, SZ_8K, false);
}
void jpeg_cma_resume(void *alloc_ctx) {}
void jpeg_cma_suspend(void *alloc_ctx) {}
const struct jpeg_vb2 jpeg_vb2_cma = {
.ops = &vb2_cma_phys_memops,
.init = jpeg_cma_init,
.cleanup = vb2_cma_phys_cleanup,
.plane_addr = vb2_cma_phys_plane_paddr,
.resume = jpeg_cma_resume,
.suspend = jpeg_cma_suspend,
.cache_flush = vb2_cma_phys_cache_flush,
.set_cacheable = vb2_cma_phys_set_cacheable,
};
#elif defined(CONFIG_VIDEOBUF2_ION)
void *jpeg_ion_init(struct jpeg_dev *dev)
{
struct vb2_ion vb2_ion;
struct vb2_drv vb2_drv = {0, };
vb2_ion.dev = &dev->plat_dev->dev;
vb2_ion.name = JPEG_ION_NAME;
vb2_ion.contig = false;
vb2_ion.cacheable = false;
vb2_ion.align = SZ_8K;
vb2_drv.use_mmu = true;
return vb2_ion_init(&vb2_ion, &vb2_drv);
}
const struct jpeg_vb2 jpeg_vb2_ion = {
.ops = &vb2_ion_memops,
.init = jpeg_ion_init,
.cleanup = vb2_ion_cleanup,
.plane_addr = vb2_ion_plane_dvaddr,
.resume = vb2_ion_resume,
.suspend = vb2_ion_suspend,
.cache_flush = vb2_ion_cache_flush,
.set_cacheable = vb2_ion_set_cacheable,
};
#endif
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