drivers/media/video/v4l2-subdev.c

   1 /*
   2     V4L2 sub-device support.
   3
   4     Copyright (C) 2008  Hans Verkuil <hverkuil@xs4all.nl>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <linux/types.h>
  22 #include <linux/ioctl.h>
  23 #include <linux/i2c.h>
  24 #include <linux/videodev2.h>
  25 #include <media/v4l2-subdev.h>
  26
  27 int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg)
  28 {
  29         switch (cmd) {
  30         case VIDIOC_QUERYCTRL:
  31                 return v4l2_subdev_call(sd, core, querymenu, arg);
  32         case VIDIOC_G_CTRL:
  33                 return v4l2_subdev_call(sd, core, g_ctrl, arg);
  34         case VIDIOC_S_CTRL:
  35                 return v4l2_subdev_call(sd, core, s_ctrl, arg);
  36         case VIDIOC_QUERYMENU:
  37                 return v4l2_subdev_call(sd, core, queryctrl, arg);
  38         case VIDIOC_LOG_STATUS:
  39                 return v4l2_subdev_call(sd, core, log_status);
  40         case VIDIOC_G_CHIP_IDENT:
  41                 return v4l2_subdev_call(sd, core, g_chip_ident, arg);
  42         case VIDIOC_INT_S_STANDBY:
  43                 return v4l2_subdev_call(sd, core, s_standby, arg ? (*(u32 *)arg) : 0);
  44         case VIDIOC_INT_RESET:
  45                 return v4l2_subdev_call(sd, core, reset, arg ? (*(u32 *)arg) : 0);
  46         case VIDIOC_INT_S_GPIO:
  47                 return v4l2_subdev_call(sd, core, s_gpio, arg ? (*(u32 *)arg) : 0);
  48         case VIDIOC_INT_INIT:
  49                 return v4l2_subdev_call(sd, core, init, arg ? (*(u32 *)arg) : 0);
  50 #ifdef CONFIG_VIDEO_ADV_DEBUG
  51         case VIDIOC_DBG_G_REGISTER:
  52                 return v4l2_subdev_call(sd, core, g_register, arg);
  53         case VIDIOC_DBG_S_REGISTER:
  54                 return v4l2_subdev_call(sd, core, s_register, arg);
  55 #endif
  56
  57         case VIDIOC_INT_S_TUNER_MODE:
  58                 return v4l2_subdev_call(sd, tuner, s_mode, *(enum v4l2_tuner_type *)arg);
  59         case AUDC_SET_RADIO:
  60                 return v4l2_subdev_call(sd, tuner, s_radio);
  61         case VIDIOC_S_TUNER:
  62                 return v4l2_subdev_call(sd, tuner, s_tuner, arg);
  63         case VIDIOC_G_TUNER:
  64                 return v4l2_subdev_call(sd, tuner, g_tuner, arg);
  65         case VIDIOC_S_STD:
  66                 return v4l2_subdev_call(sd, tuner, s_std, *(v4l2_std_id *)arg);
  67         case VIDIOC_S_FREQUENCY:
  68                 return v4l2_subdev_call(sd, tuner, s_frequency, arg);
  69         case VIDIOC_G_FREQUENCY:
  70                 return v4l2_subdev_call(sd, tuner, g_frequency, arg);
  71         case TUNER_SET_TYPE_ADDR:
  72                 return v4l2_subdev_call(sd, tuner, s_type_addr, arg);
  73         case TUNER_SET_CONFIG:
  74                 return v4l2_subdev_call(sd, tuner, s_config, arg);
  75
  76         case VIDIOC_INT_AUDIO_CLOCK_FREQ:
  77                 return v4l2_subdev_call(sd, audio, s_clock_freq, *(u32 *)arg);
  78         case VIDIOC_INT_S_AUDIO_ROUTING:
  79                 return v4l2_subdev_call(sd, audio, s_routing, arg);
  80         case VIDIOC_INT_I2S_CLOCK_FREQ:
  81                 return v4l2_subdev_call(sd, audio, s_i2s_clock_freq, *(u32 *)arg);
  82
  83         case VIDIOC_INT_S_VIDEO_ROUTING:
  84                 return v4l2_subdev_call(sd, video, s_routing, arg);
  85         case VIDIOC_INT_S_CRYSTAL_FREQ:
  86                 return v4l2_subdev_call(sd, video, s_crystal_freq, arg);
  87         case VIDIOC_INT_DECODE_VBI_LINE:
  88                 return v4l2_subdev_call(sd, video, decode_vbi_line, arg);
  89         case VIDIOC_INT_S_VBI_DATA:
  90                 return v4l2_subdev_call(sd, video, s_vbi_data, arg);
  91         case VIDIOC_INT_G_VBI_DATA:
  92                 return v4l2_subdev_call(sd, video, g_vbi_data, arg);
  93         case VIDIOC_G_SLICED_VBI_CAP:
  94                 return v4l2_subdev_call(sd, video, g_sliced_vbi_cap, arg);
  95         case VIDIOC_S_FMT:
  96                 return v4l2_subdev_call(sd, video, s_fmt, arg);
  97         case VIDIOC_G_FMT:
  98                 return v4l2_subdev_call(sd, video, g_fmt, arg);
  99         case VIDIOC_INT_S_STD_OUTPUT:
 100                 return v4l2_subdev_call(sd, video, s_std_output, *(v4l2_std_id *)arg);
 101         case VIDIOC_STREAMON:
 102                 return v4l2_subdev_call(sd, video, s_stream, 1);
 103         case VIDIOC_STREAMOFF:
 104                 return v4l2_subdev_call(sd, video, s_stream, 0);
 105
 106         default:
 107                 return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
 108         }
 109 }
 110 EXPORT_SYMBOL_GPL(v4l2_subdev_command);