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 #define TUNER_FLAG
  44
  45 #define VIDEO_DEBUG 0
  46
  47 #define dprintk(level, fmt, arg...)                                     \
  48 do {                                                                    \
  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
  68 extern struct sram_channel *channel0;
  69 extern struct sram_channel *channel1;
  70 extern struct sram_channel *channel2;
  71 extern struct sram_channel *channel3;
  72 extern struct sram_channel *channel4;
  73 extern struct sram_channel *channel5;
  74 extern struct sram_channel *channel6;
  75 extern struct sram_channel *channel7;
  76 extern struct sram_channel *channel9;
  77 extern struct sram_channel *channel10;
  78 extern struct sram_channel *channel11;
  79 extern struct video_device cx25821_videoioctl_template;
  80 /* extern const u32 *ctrl_classes[]; */
  81
  82 extern unsigned int vid_limit;
  83
  84 #define FORMAT_FLAGS_PACKED       0x01
  85 extern struct cx25821_fmt formats[];
  86 extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
  87 extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
  88
  89 extern void cx25821_dump_video_queue(struct cx25821_dev *dev,
  90                              struct cx25821_dmaqueue *q);
  91 extern void cx25821_video_wakeup(struct cx25821_dev *dev,
  92                                  struct cx25821_dmaqueue *q, u32 count);
  93
  94 #ifdef TUNER_FLAG
  95 extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
  96 #endif
  97
  98 extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
  99                    unsigned int bit);
 100 extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
 101 extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
 102 extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
 103                      unsigned int bits);
 104 extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
 105 extern int cx25821_start_video_dma(struct cx25821_dev *dev,
 106                                    struct cx25821_dmaqueue *q,
 107                                    struct cx25821_buffer *buf,
 108                                    struct sram_channel *channel);
 109
 110 extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
 111                              unsigned int height, enum v4l2_field field);
 112 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
 113 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
 114 extern int cx25821_video_register(struct cx25821_dev *dev);
 115 extern int cx25821_get_format_size(void);
 116
 117 extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
 118                         unsigned int *size);
 119 extern int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 120                           enum v4l2_field field);
 121 extern void cx25821_buffer_release(struct videobuf_queue *q,
 122                            struct videobuf_buffer *vb);
 123 extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
 124 extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
 125 extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
 126 extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 127                                   struct v4l2_format *f);
 128 extern int cx25821_vidioc_querycap(struct file *file, void *priv,
 129                            struct v4l2_capability *cap);
 130 extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 131                                    struct v4l2_fmtdesc *f);
 132 extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
 133                           struct v4l2_requestbuffers *p);
 134 extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
 135                            struct v4l2_buffer *p);
 136 extern int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p);
 137 extern int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms);
 138 extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
 139 extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
 140                              struct v4l2_input *i);
 141 extern int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i);
 142 extern int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i);
 143 extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
 144                          struct v4l2_control *ctl);
 145 extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 146                                 struct v4l2_format *f);
 147 extern int cx25821_vidioc_g_frequency(struct file *file, void *priv,
 148                               struct v4l2_frequency *f);
 149 extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f);
 150 extern int cx25821_vidioc_s_frequency(struct file *file, void *priv,
 151                               struct v4l2_frequency *f);
 152 extern int cx25821_vidioc_g_register(struct file *file, void *fh,
 153                              struct v4l2_dbg_register *reg);
 154 extern int cx25821_vidioc_s_register(struct file *file, void *fh,
 155                              struct v4l2_dbg_register *reg);
 156 extern int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
 157 extern int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
 158
 159 extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
 160 extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
 161
 162 extern int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p);
 163 extern int cx25821_vidioc_s_priority(struct file *file, void *f,
 164                              enum v4l2_priority prio);
 165
 166 extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
 167                             struct v4l2_queryctrl *qctrl);
 168 extern int cx25821_set_control(struct cx25821_dev *dev,
 169                                struct v4l2_control *ctrl, int chan_num);
 170
 171 extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
 172                           struct v4l2_cropcap *cropcap);
 173 extern int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop);
 174 extern int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop);
 175
 176 extern int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm);
 177 #endif