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/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef CX25821_VIDEO_H_
#define CX25821_VIDEO_H_
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kmod.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <asm/div64.h>
#include "cx25821.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#define VIDEO_DEBUG 0
#define dprintk(level, fmt, arg...) \
do { \
if (VIDEO_DEBUG >= level) \
printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \
} while (0)
/* For IOCTL to identify running upstream */
#define UPSTREAM_START_VIDEO 700
#define UPSTREAM_STOP_VIDEO 701
#define UPSTREAM_START_AUDIO 702
#define UPSTREAM_STOP_AUDIO 703
#define UPSTREAM_DUMP_REGISTERS 702
#define SET_VIDEO_STD 800
#define SET_PIXEL_FORMAT 1000
#define ENABLE_CIF_RESOLUTION 1001
#define REG_READ 900
#define REG_WRITE 901
#define MEDUSA_READ 910
#define MEDUSA_WRITE 911
extern struct sram_channel *channel0;
extern struct sram_channel *channel1;
extern struct sram_channel *channel2;
extern struct sram_channel *channel3;
extern struct sram_channel *channel4;
extern struct sram_channel *channel5;
extern struct sram_channel *channel6;
extern struct sram_channel *channel7;
extern struct sram_channel *channel9;
extern struct sram_channel *channel10;
extern struct sram_channel *channel11;
/* extern const u32 *ctrl_classes[]; */
extern unsigned int vid_limit;
#define FORMAT_FLAGS_PACKED 0x01
extern struct cx25821_fmt formats[];
extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
extern void cx25821_video_wakeup(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q, u32 count);
extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bit);
extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bits);
extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
extern int cx25821_start_video_dma(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q,
struct cx25821_buffer *buf,
struct sram_channel *channel);
extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
unsigned int height, enum v4l2_field field);
extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
extern int cx25821_video_register(struct cx25821_dev *dev);
extern int cx25821_get_format_size(void);
extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
unsigned int *size);
extern int cx25821_buffer_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb,
enum v4l2_field field);
extern void cx25821_buffer_release(struct videobuf_queue *q,
struct videobuf_buffer *vb);
extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f);
extern int cx25821_vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap);
extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f);
extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p);
extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p);
extern int cx25821_vidioc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *p);
extern int cx25821_vidioc_s_std(struct file *file, void *priv,
v4l2_std_id tvnorms);
extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i);
extern int cx25821_vidioc_g_input(struct file *file, void *priv,
unsigned int *i);
extern int cx25821_vidioc_s_input(struct file *file, void *priv,
unsigned int i);
extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl);
extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f);
extern int cx25821_vidioc_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg);
extern int cx25821_vidioc_s_register(struct file *file, void *fh,
const struct v4l2_dbg_register *reg);
extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
extern int cx25821_vidioc_g_priority(struct file *file, void *f,
enum v4l2_priority *p);
extern int cx25821_vidioc_s_priority(struct file *file, void *f,
enum v4l2_priority prio);
extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qctrl);
extern int cx25821_set_control(struct cx25821_dev *dev,
struct v4l2_control *ctrl, int chan_num);
extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
struct v4l2_cropcap *cropcap);
extern int cx25821_vidioc_s_crop(struct file *file, void *priv,
const struct v4l2_crop *crop);
extern int cx25821_vidioc_g_crop(struct file *file, void *priv,
struct v4l2_crop *crop);
extern int cx25821_vidioc_querystd(struct file *file, void *priv,
v4l2_std_id *norm);
#endif
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