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/*
* Samsung Exynos4 SoC series FIMC-IS video buffer2 interface
*
* main platform driver interface
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* Contact: Younghwan Joo, <yhwan.joo@samsung.com>
*
* 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/delay.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/videodev2.h>
#include <linux/io.h>
#include <media/videobuf2-core.h>
#include <linux/platform_device.h>
#include "fimc-is-core.h"
#if defined(CONFIG_VIDEOBUF2_CMA_PHYS)
void *fimc_is_cma_init(struct fimc_is_dev *isp)
{
return vb2_cma_phys_init(&isp->pdev->dev,
FIMC_IS_MEM_ISP_BUF, 0, false);
}
int fimc_is_cma_resume(void *alloc_ctx)
{
return 1;
}
void fimc_is_cma_suspend(void *alloc_ctx) {}
void fimc_is_cma_set_cacheable(void *alloc_ctx, bool cacheable) {}
int fimc_is_cma_cache_flush(struct vb2_buffer *vb, u32 plane_no)
{
return 0;
}
const struct fimc_is_vb2 fimc_is_vb2_cma = {
.ops = &vb2_cma_phys_memops,
.init = fimc_is_cma_init,
.cleanup = vb2_cma_phys_cleanup,
.plane_addr = vb2_cma_phys_plane_paddr,
.resume = fimc_is_cma_resume,
.suspend = fimc_is_cma_suspend,
.cache_flush = fimc_is_cma_cache_flush,
.set_cacheable = fimc_is_cma_set_cacheable,
};
#elif defined(CONFIG_VIDEOBUF2_ION)
void *fimc_is_ion_init(struct fimc_is_dev *isp)
{
struct vb2_ion vb2_ion;
struct vb2_drv vb2_drv = {0, };
char ion_name[16] = {0,};
vb2_ion.dev = &isp->pdev->dev;
sprintf(ion_name, "exynos5-fimc-is");
vb2_ion.name = ion_name;
vb2_ion.contig = true;
vb2_ion.cacheable = true;
vb2_ion.align = SZ_4K;
vb2_drv.use_mmu = true;
return vb2_ion_init(&vb2_ion, &vb2_drv);
}
const struct fimc_is_vb2 fimc_is_vb2_ion = {
.ops = &vb2_ion_memops,
.init = fimc_is_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,
.set_sharable = vb2_ion_set_sharable,
.get_kvaddr = vb2_ion_plane_kvaddr,
};
#endif
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