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/* linux/drivers/media/video/samsung/fimc/fimc_v4l2.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* V4L2 interface support file for Samsung Camera Interface (FIMC) driver
*
* 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/fs.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/videodev2.h>
#include <linux/videodev2_exynos_media.h>
#include <linux/videodev2_exynos_camera.h>
#include <media/v4l2-ioctl.h>
#include <plat/fimc.h>
#include "fimc.h"
static int fimc_querycap(struct file *filp, void *fh,
struct v4l2_capability *cap)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
fimc_info1("%s: called\n", __func__);
strcpy(cap->driver, "SEC FIMC Driver");
strlcpy(cap->card, ctrl->vd->name, sizeof(cap->card));
sprintf(cap->bus_info, "FIMC AHB-bus");
cap->version = 0;
cap->capabilities = (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT |
V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_STREAMING);
return 0;
}
static int fimc_reqbufs(struct file *filp, void *fh,
struct v4l2_requestbuffers *b)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_reqbufs_capture(ctrl, b);
} else if (b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_reqbufs_output(fh, b);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_querybuf(struct file *filp, void *fh, struct v4l2_buffer *b)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_querybuf_capture(ctrl, b);
} else if (b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_querybuf_output(fh, b);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_g_ctrl(struct file *filp, void *fh, struct v4l2_control *c)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (ctrl->cap != NULL) {
ret = fimc_g_ctrl_capture(ctrl, c);
} else if (ctrl->out != NULL) {
ret = fimc_g_ctrl_output(fh, c);
} else {
fimc_err("%s: Invalid case\n", __func__);
return -EINVAL;
}
return ret;
}
static int fimc_s_ctrl(struct file *filp, void *fh, struct v4l2_control *c)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (ctrl->cap != NULL) {
ret = fimc_s_ctrl_capture(ctrl, c);
} else if (ctrl->out != NULL) {
ret = fimc_s_ctrl_output(filp, fh, c);
} else {
fimc_err("%s: Invalid case\n", __func__);
return -EINVAL;
}
return ret;
}
static int fimc_g_ext_ctrls(struct file *filp, void *fh, struct v4l2_ext_controls *c)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (ctrl->cap != NULL) {
ret = fimc_g_ext_ctrls_capture(fh, c);
} else {
fimc_err("%s: Invalid case\n", __func__);
return -EINVAL;
}
return ret;
}
static int fimc_s_ext_ctrls(struct file *filp, void *fh, struct v4l2_ext_controls *c)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (ctrl->cap != NULL) {
ret = fimc_s_ext_ctrls_capture(fh, c);
} else if (ctrl->out != NULL) {
/* How about "ret = fimc_s_ext_ctrls_output(fh, c);"? */
} else {
fimc_err("%s: Invalid case\n", __func__);
return -EINVAL;
}
return ret;
}
static int fimc_cropcap(struct file *filp, void *fh, struct v4l2_cropcap *a)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (a->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_cropcap_capture(ctrl, a);
} else if (a->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_cropcap_output(fh, a);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_g_crop(struct file *filp, void *fh, struct v4l2_crop *a)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (a->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_g_crop_capture(ctrl, a);
} else if (a->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_g_crop_output(fh, a);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_s_crop(struct file *filp, void *fh, struct v4l2_crop *a)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (a->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_s_crop_capture(ctrl, a);
} else if (a->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_s_crop_output(fh, a);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_streamon(struct file *filp, void *fh, enum v4l2_buf_type i)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (i == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_streamon_capture(ctrl);
} else if (i == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_streamon_output(fh);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_streamoff(struct file *filp, void *fh, enum v4l2_buf_type i)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (i == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_streamoff_capture(ctrl);
} else if (i == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_streamoff_output(fh);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_qbuf(struct file *filp, void *fh, struct v4l2_buffer *b)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_qbuf_capture(ctrl, b);
} else if (b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_qbuf_output(fh, b);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_dqbuf(struct file *filp, void *fh, struct v4l2_buffer *b)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int ret = -1;
if (b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ret = fimc_dqbuf_capture(ctrl, b);
} else if (b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
ret = fimc_dqbuf_output(fh, b);
} else {
fimc_err("V4L2_BUF_TYPE_VIDEO_CAPTURE and "
"V4L2_BUF_TYPE_VIDEO_OUTPUT are only supported\n");
ret = -EINVAL;
}
return ret;
}
static int fimc_log_status(struct file *filp, void *fh)
{
struct fimc_control *ctrl = ((struct fimc_prv_data *)fh)->ctrl;
int framecnt_seq;
printk(KERN_INFO "fimc%d ctrl->status is %d\n", ctrl->id, ctrl->status);
#if defined (CONFIG_ARCH_EXYNOS4)
framecnt_seq = fimc_hwget_output_buf_sequence(ctrl);
printk(KERN_INFO "fimc(%d) framecnt_seq is %d\n", ctrl->id, framecnt_seq);
printk(KERN_INFO "fimc(%d) availble_buf is %d\n", ctrl->id, fimc_hwget_number_of_bits(framecnt_seq));
fimc_sfr_dump(ctrl);
#endif
return 0;
}
const struct v4l2_ioctl_ops fimc_v4l2_ops = {
.vidioc_querycap = fimc_querycap,
.vidioc_reqbufs = fimc_reqbufs,
.vidioc_querybuf = fimc_querybuf,
.vidioc_g_ctrl = fimc_g_ctrl,
.vidioc_g_ext_ctrls = fimc_g_ext_ctrls,
.vidioc_s_ctrl = fimc_s_ctrl,
.vidioc_s_ext_ctrls = fimc_s_ext_ctrls,
.vidioc_cropcap = fimc_cropcap,
.vidioc_g_crop = fimc_g_crop,
.vidioc_s_crop = fimc_s_crop,
.vidioc_streamon = fimc_streamon,
.vidioc_streamoff = fimc_streamoff,
.vidioc_qbuf = fimc_qbuf,
.vidioc_dqbuf = fimc_dqbuf,
.vidioc_enum_fmt_vid_cap = fimc_enum_fmt_vid_capture,
.vidioc_g_fmt_vid_cap = fimc_g_fmt_vid_capture,
.vidioc_s_fmt_vid_cap = fimc_s_fmt_vid_capture,
.vidioc_s_fmt_type_private = fimc_s_fmt_vid_private,
.vidioc_try_fmt_vid_cap = fimc_try_fmt_vid_capture,
.vidioc_enum_input = fimc_enum_input,
.vidioc_g_input = fimc_g_input,
.vidioc_s_input = fimc_s_input,
.vidioc_g_parm = fimc_g_parm,
.vidioc_s_parm = fimc_s_parm,
.vidioc_queryctrl = fimc_queryctrl,
.vidioc_querymenu = fimc_querymenu,
.vidioc_g_fmt_vid_out = fimc_g_fmt_vid_out,
.vidioc_s_fmt_vid_out = fimc_s_fmt_vid_out,
.vidioc_try_fmt_vid_out = fimc_try_fmt_vid_out,
.vidioc_g_fbuf = fimc_g_fbuf,
.vidioc_s_fbuf = fimc_s_fbuf,
.vidioc_try_fmt_vid_overlay = fimc_try_fmt_overlay,
.vidioc_g_fmt_vid_overlay = fimc_g_fmt_vid_overlay,
.vidioc_s_fmt_vid_overlay = fimc_s_fmt_vid_overlay,
.vidioc_enum_framesizes = fimc_enum_framesizes,
.vidioc_enum_frameintervals = fimc_enum_frameintervals,
.vidioc_log_status = fimc_log_status,
};
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