LXR linux/drivers/media/pci/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#define TUNER_FLAG
  44
  45#define VIDEO_DEBUG 0
  46
  47#define dprintk(level, fmt, arg...)                                     \
  48do {                                                                    \
  49        if (VIDEO_DEBUG >= level)                                       \
  50                printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg);      \
  51} while (0)
  52
  53/* For IOCTL to identify running upstream */
  54#define UPSTREAM_START_VIDEO        700
  55#define UPSTREAM_STOP_VIDEO         701
  56#define UPSTREAM_START_AUDIO        702
  57#define UPSTREAM_STOP_AUDIO         703
  58#define UPSTREAM_DUMP_REGISTERS     702
  59#define SET_VIDEO_STD               800
  60#define SET_PIXEL_FORMAT            1000
  61#define ENABLE_CIF_RESOLUTION       1001
  62
  63#define REG_READ                    900
  64#define REG_WRITE                   901
  65#define MEDUSA_READ                 910
  66#define MEDUSA_WRITE                911
  67
  68extern struct sram_channel *channel0;
  69extern struct sram_channel *channel1;
  70extern struct sram_channel *channel2;
  71extern struct sram_channel *channel3;
  72extern struct sram_channel *channel4;
  73extern struct sram_channel *channel5;
  74extern struct sram_channel *channel6;
  75extern struct sram_channel *channel7;
  76extern struct sram_channel *channel9;
  77extern struct sram_channel *channel10;
  78extern struct sram_channel *channel11;
  79extern struct video_device cx25821_videoioctl_template;
  80/* extern const u32 *ctrl_classes[]; */
  81
  82extern unsigned int vid_limit;
  83
  84#define FORMAT_FLAGS_PACKED       0x01
  85extern struct cx25821_fmt formats[];
  86extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
  87extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
  88
  89extern void cx25821_video_wakeup(struct cx25821_dev *dev,
  90                                 struct cx25821_dmaqueue *q, u32 count);
  91
  92#ifdef TUNER_FLAG
  93extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
  94#endif
  95
  96extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
  97                           unsigned int bit);
  98extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
  99extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
 100extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
 101                             unsigned int bits);
 102extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
 103extern int cx25821_start_video_dma(struct cx25821_dev *dev,
 104                                   struct cx25821_dmaqueue *q,
 105                                   struct cx25821_buffer *buf,
 106                                   struct sram_channel *channel);
 107
 108extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
 109                             unsigned int height, enum v4l2_field field);
 110extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
 111extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
 112extern int cx25821_video_register(struct cx25821_dev *dev);
 113extern int cx25821_get_format_size(void);
 114
 115extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
 116                                unsigned int *size);
 117extern int cx25821_buffer_prepare(struct videobuf_queue *q,
 118                                  struct videobuf_buffer *vb,
 119                                  enum v4l2_field field);
 120extern void cx25821_buffer_release(struct videobuf_queue *q,
 121                                   struct videobuf_buffer *vb);
 122extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
 123extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
 124extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
 125extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 126                                          struct v4l2_format *f);
 127extern int cx25821_vidioc_querycap(struct file *file, void *priv,
 128                                   struct v4l2_capability *cap);
 129extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 130                                           struct v4l2_fmtdesc *f);
 131extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
 132                                  struct v4l2_requestbuffers *p);
 133extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
 134                                   struct v4l2_buffer *p);
 135extern int cx25821_vidioc_qbuf(struct file *file, void *priv,
 136                               struct v4l2_buffer *p);
 137extern int cx25821_vidioc_s_std(struct file *file, void *priv,
 138                                v4l2_std_id *tvnorms);
 139extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
 140extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
 141                                     struct v4l2_input *i);
 142extern int cx25821_vidioc_g_input(struct file *file, void *priv,
 143                                  unsigned int *i);
 144extern int cx25821_vidioc_s_input(struct file *file, void *priv,
 145                                  unsigned int i);
 146extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
 147                                 struct v4l2_control *ctl);
 148extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 149                                        struct v4l2_format *f);
 150extern int cx25821_vidioc_g_frequency(struct file *file, void *priv,
 151                                      struct v4l2_frequency *f);
 152extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f);
 153extern int cx25821_vidioc_s_frequency(struct file *file, void *priv,
 154                                      struct v4l2_frequency *f);
 155extern int cx25821_vidioc_g_register(struct file *file, void *fh,
 156                                     struct v4l2_dbg_register *reg);
 157extern int cx25821_vidioc_s_register(struct file *file, void *fh,
 158                                     struct v4l2_dbg_register *reg);
 159extern int cx25821_vidioc_g_tuner(struct file *file, void *priv,
 160                                  struct v4l2_tuner *t);
 161extern int cx25821_vidioc_s_tuner(struct file *file, void *priv,
 162                                  struct v4l2_tuner *t);
 163
 164extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
 165extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
 166
 167extern int cx25821_vidioc_g_priority(struct file *file, void *f,
 168                                     enum v4l2_priority *p);
 169extern int cx25821_vidioc_s_priority(struct file *file, void *f,
 170                                     enum v4l2_priority prio);
 171
 172extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
 173                                    struct v4l2_queryctrl *qctrl);
 174extern int cx25821_set_control(struct cx25821_dev *dev,
 175                               struct v4l2_control *ctrl, int chan_num);
 176
 177extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
 178                                  struct v4l2_cropcap *cropcap);
 179extern int cx25821_vidioc_s_crop(struct file *file, void *priv,
 180                                 const struct v4l2_crop *crop);
 181extern int cx25821_vidioc_g_crop(struct file *file, void *priv,
 182                                 struct v4l2_crop *crop);
 183
 184extern int cx25821_vidioc_querystd(struct file *file, void *priv,
 185                                   v4l2_std_id *norm);
 186#endif
 187