/* SPDX-License-Identifier: GPL-2.0+ */
|
/*
|
* Copyright (c) 2011-2018 Magewell Electronics Co., Ltd. (Nanjing)
|
* All rights reserved.
|
* Author: Yong Deng <yong.deng@magewell.com>
|
*/
|
|
#ifndef __SUN6I_CSI_H__
|
#define __SUN6I_CSI_H__
|
|
#include <media/v4l2-ctrls.h>
|
#include <media/v4l2-device.h>
|
#include <media/v4l2-fwnode.h>
|
|
#include "sun6i_video.h"
|
|
struct sun6i_csi;
|
|
/**
|
* struct sun6i_csi_config - configs for sun6i csi
|
* @pixelformat: v4l2 pixel format (V4L2_PIX_FMT_*)
|
* @code: media bus format code (MEDIA_BUS_FMT_*)
|
* @field: used interlacing type (enum v4l2_field)
|
* @width: frame width
|
* @height: frame height
|
*/
|
struct sun6i_csi_config {
|
u32 pixelformat;
|
u32 code;
|
u32 field;
|
u32 width;
|
u32 height;
|
};
|
|
struct sun6i_csi {
|
struct device *dev;
|
struct v4l2_ctrl_handler ctrl_handler;
|
struct v4l2_device v4l2_dev;
|
struct media_device media_dev;
|
|
struct v4l2_async_notifier notifier;
|
|
/* video port settings */
|
struct v4l2_fwnode_endpoint v4l2_ep;
|
|
struct sun6i_csi_config config;
|
|
struct sun6i_video video;
|
};
|
|
/**
|
* sun6i_csi_is_format_supported() - check if the format supported by csi
|
* @csi: pointer to the csi
|
* @pixformat: v4l2 pixel format (V4L2_PIX_FMT_*)
|
* @mbus_code: media bus format code (MEDIA_BUS_FMT_*)
|
*/
|
bool sun6i_csi_is_format_supported(struct sun6i_csi *csi, u32 pixformat,
|
u32 mbus_code);
|
|
/**
|
* sun6i_csi_set_power() - power on/off the csi
|
* @csi: pointer to the csi
|
* @enable: on/off
|
*/
|
int sun6i_csi_set_power(struct sun6i_csi *csi, bool enable);
|
|
/**
|
* sun6i_csi_update_config() - update the csi register settings
|
* @csi: pointer to the csi
|
* @config: see struct sun6i_csi_config
|
*/
|
int sun6i_csi_update_config(struct sun6i_csi *csi,
|
struct sun6i_csi_config *config);
|
|
/**
|
* sun6i_csi_update_buf_addr() - update the csi frame buffer address
|
* @csi: pointer to the csi
|
* @addr: frame buffer's physical address
|
*/
|
void sun6i_csi_update_buf_addr(struct sun6i_csi *csi, dma_addr_t addr);
|
|
/**
|
* sun6i_csi_set_stream() - start/stop csi streaming
|
* @csi: pointer to the csi
|
* @enable: start/stop
|
*/
|
void sun6i_csi_set_stream(struct sun6i_csi *csi, bool enable);
|
|
/* get bpp form v4l2 pixformat */
|
static inline int sun6i_csi_get_bpp(unsigned int pixformat)
|
{
|
switch (pixformat) {
|
case V4L2_PIX_FMT_SBGGR8:
|
case V4L2_PIX_FMT_SGBRG8:
|
case V4L2_PIX_FMT_SGRBG8:
|
case V4L2_PIX_FMT_SRGGB8:
|
case V4L2_PIX_FMT_JPEG:
|
return 8;
|
case V4L2_PIX_FMT_SBGGR10:
|
case V4L2_PIX_FMT_SGBRG10:
|
case V4L2_PIX_FMT_SGRBG10:
|
case V4L2_PIX_FMT_SRGGB10:
|
return 10;
|
case V4L2_PIX_FMT_SBGGR12:
|
case V4L2_PIX_FMT_SGBRG12:
|
case V4L2_PIX_FMT_SGRBG12:
|
case V4L2_PIX_FMT_SRGGB12:
|
case V4L2_PIX_FMT_HM12:
|
case V4L2_PIX_FMT_NV12:
|
case V4L2_PIX_FMT_NV21:
|
case V4L2_PIX_FMT_YUV420:
|
case V4L2_PIX_FMT_YVU420:
|
return 12;
|
case V4L2_PIX_FMT_YUYV:
|
case V4L2_PIX_FMT_YVYU:
|
case V4L2_PIX_FMT_UYVY:
|
case V4L2_PIX_FMT_VYUY:
|
case V4L2_PIX_FMT_NV16:
|
case V4L2_PIX_FMT_NV61:
|
case V4L2_PIX_FMT_YUV422P:
|
case V4L2_PIX_FMT_RGB565:
|
case V4L2_PIX_FMT_RGB565X:
|
return 16;
|
case V4L2_PIX_FMT_RGB24:
|
case V4L2_PIX_FMT_BGR24:
|
return 24;
|
case V4L2_PIX_FMT_RGB32:
|
case V4L2_PIX_FMT_BGR32:
|
return 32;
|
default:
|
WARN(1, "Unsupported pixformat: 0x%x\n", pixformat);
|
break;
|
}
|
|
return 0;
|
}
|
|
#endif /* __SUN6I_CSI_H__ */
|
