2a1fcdf082
Start implementing a proper v4l2 framework as discussed during the Linux Plumbers Conference 2008. Introduces v4l2_device (for device instances) and v4l2_subdev (representing sub-device instances). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: Laurent Pinchart <laurent.pinchart@skynet.be> Reviewed-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: Andy Walls <awalls@radix.net> Reviewed-by: David Brownell <david-b@pacbell.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
109 lines
3.9 KiB
C
109 lines
3.9 KiB
C
/*
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V4L2 sub-device support.
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Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#include <linux/i2c.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-subdev.h>
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int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg)
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{
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switch (cmd) {
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case VIDIOC_QUERYCTRL:
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return v4l2_subdev_call(sd, core, querymenu, arg);
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case VIDIOC_G_CTRL:
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return v4l2_subdev_call(sd, core, g_ctrl, arg);
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case VIDIOC_S_CTRL:
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return v4l2_subdev_call(sd, core, s_ctrl, arg);
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case VIDIOC_QUERYMENU:
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return v4l2_subdev_call(sd, core, queryctrl, arg);
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case VIDIOC_LOG_STATUS:
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return v4l2_subdev_call(sd, core, log_status);
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case VIDIOC_G_CHIP_IDENT:
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return v4l2_subdev_call(sd, core, g_chip_ident, arg);
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case VIDIOC_INT_S_STANDBY:
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return v4l2_subdev_call(sd, core, s_standby, *(u32 *)arg);
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case VIDIOC_INT_RESET:
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return v4l2_subdev_call(sd, core, reset, *(u32 *)arg);
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case VIDIOC_INT_S_GPIO:
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return v4l2_subdev_call(sd, core, s_gpio, *(u32 *)arg);
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case VIDIOC_INT_INIT:
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return v4l2_subdev_call(sd, core, init, *(u32 *)arg);
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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case VIDIOC_DBG_G_REGISTER:
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return v4l2_subdev_call(sd, core, g_register, arg);
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case VIDIOC_DBG_S_REGISTER:
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return v4l2_subdev_call(sd, core, s_register, arg);
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#endif
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case VIDIOC_INT_S_TUNER_MODE:
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return v4l2_subdev_call(sd, tuner, s_mode, *(enum v4l2_tuner_type *)arg);
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case AUDC_SET_RADIO:
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return v4l2_subdev_call(sd, tuner, s_radio);
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case VIDIOC_S_TUNER:
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return v4l2_subdev_call(sd, tuner, s_tuner, arg);
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case VIDIOC_G_TUNER:
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return v4l2_subdev_call(sd, tuner, g_tuner, arg);
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case VIDIOC_S_STD:
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return v4l2_subdev_call(sd, tuner, s_std, *(v4l2_std_id *)arg);
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case VIDIOC_S_FREQUENCY:
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return v4l2_subdev_call(sd, tuner, s_frequency, arg);
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case VIDIOC_G_FREQUENCY:
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return v4l2_subdev_call(sd, tuner, g_frequency, arg);
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case TUNER_SET_TYPE_ADDR:
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return v4l2_subdev_call(sd, tuner, s_type_addr, arg);
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case TUNER_SET_CONFIG:
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return v4l2_subdev_call(sd, tuner, s_config, arg);
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case VIDIOC_INT_AUDIO_CLOCK_FREQ:
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return v4l2_subdev_call(sd, audio, s_clock_freq, *(u32 *)arg);
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case VIDIOC_INT_S_AUDIO_ROUTING:
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return v4l2_subdev_call(sd, audio, s_routing, arg);
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case VIDIOC_INT_I2S_CLOCK_FREQ:
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return v4l2_subdev_call(sd, audio, s_i2s_clock_freq, *(u32 *)arg);
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case VIDIOC_INT_S_VIDEO_ROUTING:
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return v4l2_subdev_call(sd, video, s_routing, arg);
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case VIDIOC_INT_S_CRYSTAL_FREQ:
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return v4l2_subdev_call(sd, video, s_crystal_freq, arg);
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case VIDIOC_INT_DECODE_VBI_LINE:
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return v4l2_subdev_call(sd, video, decode_vbi_line, arg);
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case VIDIOC_INT_S_VBI_DATA:
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return v4l2_subdev_call(sd, video, s_vbi_data, arg);
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case VIDIOC_INT_G_VBI_DATA:
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return v4l2_subdev_call(sd, video, g_vbi_data, arg);
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case VIDIOC_S_FMT:
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return v4l2_subdev_call(sd, video, s_fmt, arg);
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case VIDIOC_G_FMT:
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return v4l2_subdev_call(sd, video, g_fmt, arg);
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case VIDIOC_INT_S_STD_OUTPUT:
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return v4l2_subdev_call(sd, video, s_std_output, *(v4l2_std_id *)arg);
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case VIDIOC_STREAMON:
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return v4l2_subdev_call(sd, video, s_stream, 1);
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case VIDIOC_STREAMOFF:
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return v4l2_subdev_call(sd, video, s_stream, 0);
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default:
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return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
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}
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}
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EXPORT_SYMBOL_GPL(v4l2_subdev_command);
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