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
  72 extern struct sram_channel *channel0;
  73 extern struct sram_channel *channel1;
  74 extern struct sram_channel *channel2;
  75 extern struct sram_channel *channel3;
  76 extern struct sram_channel *channel4;
  77 extern struct sram_channel *channel5;
  78 extern struct sram_channel *channel6;
  79 extern struct sram_channel *channel7;
  80 extern struct sram_channel *channel9;
  81 extern struct sram_channel *channel10;
  82 extern struct sram_channel *channel11;
  83 extern struct video_device cx25821_videoioctl_template;
  84 /* extern const u32 *ctrl_classes[]; */
  85
  86 extern unsigned int vid_limit;
  87
  88 #define FORMAT_FLAGS_PACKED       0x01
  89 extern struct cx25821_fmt formats[];
  90 extern struct cx25821_fmt *format_by_fourcc(unsigned int fourcc);
  91 extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
  92
  93 extern void cx25821_dump_video_queue(struct cx25821_dev *dev,
  94                              struct cx25821_dmaqueue *q);
  95 extern void cx25821_video_wakeup(struct cx25821_dev *dev,
  96                                  struct cx25821_dmaqueue *q, u32 count);
  97
  98 #ifdef TUNER_FLAG
  99 extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
 100 #endif
 101
 102 extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
 103                    unsigned int bit);
 104 extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
 105 extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
 106 extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
 107                      unsigned int bits);
 108 extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
 109 extern int cx25821_start_video_dma(struct cx25821_dev *dev,
 110                                    struct cx25821_dmaqueue *q,
 111                                    struct cx25821_buffer *buf,
 112                                    struct sram_channel *channel);
 113
 114 extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
 115                              unsigned int height, enum v4l2_field field);
 116 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
 117 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
 118 extern int cx25821_video_register(struct cx25821_dev *dev);
 119 extern int cx25821_get_format_size(void);
 120
 121 extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
 122                         unsigned int *size);
 123 extern int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 124                           enum v4l2_field field);
 125 extern void cx25821_buffer_release(struct videobuf_queue *q,
 126                            struct videobuf_buffer *vb);
 127 extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
 128 extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
 129 extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
 130 extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 131                                   struct v4l2_format *f);
 132 extern int cx25821_vidioc_querycap(struct file *file, void *priv,
 133                            struct v4l2_capability *cap);
 134 extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 135                                    struct v4l2_fmtdesc *f);
 136 extern int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf);
 137 extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
 138                           struct v4l2_requestbuffers *p);
 139 extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
 140                            struct v4l2_buffer *p);
 141 extern int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p);
 142 extern int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms);
 143 extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
 144 extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
 145                              struct v4l2_input *i);
 146 extern int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i);
 147 extern int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i);
 148 extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
 149                          struct v4l2_control *ctl);
 150 extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 151                                 struct v4l2_format *f);
 152 extern int cx25821_vidioc_g_frequency(struct file *file, void *priv,
 153                               struct v4l2_frequency *f);
 154 extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f);
 155 extern int cx25821_vidioc_s_frequency(struct file *file, void *priv,
 156                               struct v4l2_frequency *f);
 157 extern int cx25821_vidioc_g_register(struct file *file, void *fh,
 158                              struct v4l2_dbg_register *reg);
 159 extern int cx25821_vidioc_s_register(struct file *file, void *fh,
 160                              struct v4l2_dbg_register *reg);
 161 extern int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
 162 extern int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
 163
 164 extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
 165 extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
 166
 167 extern int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p);
 168 extern int cx25821_vidioc_s_priority(struct file *file, void *f,
 169                              enum v4l2_priority prio);
 170
 171 extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
 172                             struct v4l2_queryctrl *qctrl);
 173 extern int cx25821_set_control(struct cx25821_dev *dev,
 174                                struct v4l2_control *ctrl, int chan_num);
 175
 176 extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
 177                           struct v4l2_cropcap *cropcap);
 178 extern int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop);
 179 extern int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop);
 180
 181 extern int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm);
 182 #endif