LXR linux/drivers/staging/cx25821/cx25821-video.h

   1/*
   2 *  Driver for the Conexant CX25821 PCIe bridge
   3 *
   4 *  Copyright (C) 2009 Conexant Systems Inc.
   5 *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
   6 *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
   7 *
   8 *  This program is free software; you can redistribute it and/or modify
   9 *  it under the terms of the GNU General Public License as published by
  10 *  the Free Software Foundation; either version 2 of the License, or
  11 *  (at your option) any later version.
  12 *
  13 *  This program is distributed in the hope that it will be useful,
  14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 *
  17 *  GNU General Public License for more details.
  18 *
  19 *  You should have received a copy of the GNU General Public License
  20 *  along with this program; if not, write to the Free Software
  21 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24#ifndef CX25821_VIDEO_H_
  25#define CX25821_VIDEO_H_
  26
  27#include <linux/init.h>
  28#include <linux/list.h>
  29#include <linux/module.h>
  30#include <linux/moduleparam.h>
  31#include <linux/kmod.h>
  32#include <linux/kernel.h>
  33#include <linux/slab.h>
  34#include <linux/interrupt.h>
  35#include <linux/delay.h>
  36#include <linux/kthread.h>
  37#include <asm/div64.h>
  38
  39#include "cx25821.h"
  40#include <media/v4l2-common.h>
  41#include <media/v4l2-ioctl.h>
  42
  43#ifdef CONFIG_VIDEO_V4L1_COMPAT
  44/* Include V4L1 specific functions. Should be removed soon */
  45#include <linux/videodev.h>
  46#endif
  47
  48#define TUNER_FLAG
  49
  50#define VIDEO_DEBUG 0
  51
  52#define dprintk(level, fmt, arg...)\
  53    do { if (VIDEO_DEBUG >= level)\
  54        printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
  55    } while (0)
  56
  57//For IOCTL to identify running upstream
  58#define UPSTREAM_START_VIDEO        700
  59#define UPSTREAM_STOP_VIDEO         701
  60#define UPSTREAM_START_AUDIO        702
  61#define UPSTREAM_STOP_AUDIO         703
  62#define UPSTREAM_DUMP_REGISTERS     702
  63#define SET_VIDEO_STD               800
  64#define SET_PIXEL_FORMAT            1000
  65#define ENABLE_CIF_RESOLUTION       1001
  66
  67#define REG_READ                    900
  68#define REG_WRITE                   901
  69#define MEDUSA_READ                 910
  70#define MEDUSA_WRITE            911
  71
  72extern struct sram_channel *channel0;
  73extern struct sram_channel *channel1;
  74extern struct sram_channel *channel2;
  75extern struct sram_channel *channel3;
  76extern struct sram_channel *channel4;
  77extern struct sram_channel *channel5;
  78extern struct sram_channel *channel6;
  79extern struct sram_channel *channel7;
  80extern struct sram_channel *channel9;
  81extern struct sram_channel *channel10;
  82extern struct sram_channel *channel11;
  83extern struct video_device cx25821_video_template0;
  84extern struct video_device cx25821_video_template1;
  85extern struct video_device cx25821_video_template2;
  86extern struct video_device cx25821_video_template3;
  87extern struct video_device cx25821_video_template4;
  88extern struct video_device cx25821_video_template5;
  89extern struct video_device cx25821_video_template6;
  90extern struct video_device cx25821_video_template7;
  91extern struct video_device cx25821_video_template9;
  92extern struct video_device cx25821_video_template10;
  93extern struct video_device cx25821_video_template11;
  94extern struct video_device cx25821_videoioctl_template;
  95//extern const u32 *ctrl_classes[];
  96
  97extern unsigned int vid_limit;
  98
  99#define FORMAT_FLAGS_PACKED       0x01
 100extern struct cx25821_fmt formats[];
 101extern struct cx25821_fmt *format_by_fourcc(unsigned int fourcc);
 102extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
 103
 104extern void dump_video_queue(struct cx25821_dev *dev,
 105                             struct cx25821_dmaqueue *q);
 106extern void cx25821_video_wakeup(struct cx25821_dev *dev,
 107                                 struct cx25821_dmaqueue *q, u32 count);
 108
 109#ifdef TUNER_FLAG
 110extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
 111#endif
 112
 113extern int res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
 114                   unsigned int bit);
 115extern int res_check(struct cx25821_fh *fh, unsigned int bit);
 116extern int res_locked(struct cx25821_dev *dev, unsigned int bit);
 117extern void res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
 118                     unsigned int bits);
 119extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
 120extern int cx25821_start_video_dma(struct cx25821_dev *dev,
 121                                   struct cx25821_dmaqueue *q,
 122                                   struct cx25821_buffer *buf,
 123                                   struct sram_channel *channel);
 124
 125extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
 126                             unsigned int height, enum v4l2_field field);
 127extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
 128extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
 129extern int cx25821_video_register(struct cx25821_dev *dev, int chan_num,
 130                                  struct video_device *video_template);
 131extern int get_format_size(void);
 132
 133extern int buffer_setup(struct videobuf_queue *q, unsigned int *count,
 134                        unsigned int *size);
 135extern int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 136                          enum v4l2_field field);
 137extern void buffer_release(struct videobuf_queue *q,
 138                           struct videobuf_buffer *vb);
 139extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
 140extern int get_resource(struct cx25821_fh *fh, int resource);
 141extern int video_mmap(struct file *file, struct vm_area_struct *vma);
 142extern int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 143                                  struct v4l2_format *f);
 144extern int vidioc_querycap(struct file *file, void *priv,
 145                           struct v4l2_capability *cap);
 146extern int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 147                                   struct v4l2_fmtdesc *f);
 148extern int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf);
 149extern int vidioc_reqbufs(struct file *file, void *priv,
 150                          struct v4l2_requestbuffers *p);
 151extern int vidioc_querybuf(struct file *file, void *priv,
 152                           struct v4l2_buffer *p);
 153extern int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p);
 154extern int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms);
 155extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
 156extern int vidioc_enum_input(struct file *file, void *priv,
 157                             struct v4l2_input *i);
 158extern int vidioc_g_input(struct file *file, void *priv, unsigned int *i);
 159extern int vidioc_s_input(struct file *file, void *priv, unsigned int i);
 160extern int vidioc_g_ctrl(struct file *file, void *priv,
 161                         struct v4l2_control *ctl);
 162extern int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 163                                struct v4l2_format *f);
 164extern int vidioc_g_frequency(struct file *file, void *priv,
 165                              struct v4l2_frequency *f);
 166extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f);
 167extern int vidioc_s_frequency(struct file *file, void *priv,
 168                              struct v4l2_frequency *f);
 169extern int vidioc_g_register(struct file *file, void *fh,
 170                             struct v4l2_dbg_register *reg);
 171extern int vidioc_s_register(struct file *file, void *fh,
 172                             struct v4l2_dbg_register *reg);
 173extern int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
 174extern int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
 175
 176extern int is_valid_width(u32 width, v4l2_std_id tvnorm);
 177extern int is_valid_height(u32 height, v4l2_std_id tvnorm);
 178
 179extern int vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p);
 180extern int vidioc_s_priority(struct file *file, void *f,
 181                             enum v4l2_priority prio);
 182
 183extern int vidioc_queryctrl(struct file *file, void *priv,
 184                            struct v4l2_queryctrl *qctrl);
 185extern int cx25821_set_control(struct cx25821_dev *dev,
 186                               struct v4l2_control *ctrl, int chan_num);
 187
 188extern int vidioc_cropcap(struct file *file, void *fh,
 189                          struct v4l2_cropcap *cropcap);
 190extern int vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop);
 191extern int vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop);
 192
 193extern int vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm);
 194#endif
 195