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V4L/DVB (6216): V4L: Int if: add vidioc_int_g_ifparm, other updates

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vidioc_int_g_ifparm can be used to obtain hardware-specific information
about the interface used by the slave.

Rearrange v4l2-int-device.h as well.

Also remove useless & characters.

Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Sakari Ailus 2007-08-30 09:20:38 -03:00 committed by Mauro Carvalho Chehab
parent 588005e100
commit 098c645e39
2 changed files with 84 additions and 58 deletions
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4
drivers/media/video/v4l2-int-device.c
View File

@ -150,7 +150,7 @@ int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd)
{
return ((v4l2_int_ioctl_func_0 *)
find_ioctl(d->u.slave, cmd,
(v4l2_int_ioctl_func *)&no_such_ioctl_0))(d);
(v4l2_int_ioctl_func *)no_such_ioctl_0))(d);
}
static int no_such_ioctl_1(struct v4l2_int_device *d, void *arg)
@ -162,5 +162,5 @@ int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg)
{
return ((v4l2_int_ioctl_func_1 *)
find_ioctl(d->u.slave, cmd,
(v4l2_int_ioctl_func *)&no_such_ioctl_1))(d, arg);
(v4l2_int_ioctl_func *)no_such_ioctl_1))(d, arg);
}

138
include/media/v4l2-int-device.h
View File

@ -30,67 +30,17 @@
#define V4L2NAMESIZE 32
/*
*
* The internal V4L2 device interface core.
*
*/
enum v4l2_int_type {
v4l2_int_type_master = 1,
v4l2_int_type_slave
};
enum v4l2_int_ioctl_num {
/*
*
* "Proper" V4L ioctls, as in struct video_device.
*
*/
vidioc_int_enum_fmt_cap_num = 1,
vidioc_int_g_fmt_cap_num,
vidioc_int_s_fmt_cap_num,
vidioc_int_try_fmt_cap_num,
vidioc_int_queryctrl_num,
vidioc_int_g_ctrl_num,
vidioc_int_s_ctrl_num,
vidioc_int_g_parm_num,
vidioc_int_s_parm_num,
/*
*
* Strictly internal ioctls.
*
*/
/* Initialise the device when slave attaches to the master. */
vidioc_int_dev_init_num = 1000,
/* Delinitialise the device at slave detach. */
vidioc_int_dev_exit_num,
/* Set device power state: 0 is off, non-zero is on. */
vidioc_int_s_power_num,
/* Get parallel interface clock speed for current settings. */
vidioc_int_g_ext_clk_num,
/*
* Tell what the parallel interface clock speed actually is.
*/
vidioc_int_s_ext_clk_num,
/* Does the slave need to be reset after VIDIOC_DQBUF? */
vidioc_int_g_needs_reset_num,
/*
*
* VIDIOC_INT_* ioctls.
*
*/
/* VIDIOC_INT_RESET */
vidioc_int_reset_num,
/* VIDIOC_INT_INIT */
vidioc_int_init_num,
/* VIDIOC_INT_G_CHIP_IDENT */
vidioc_int_g_chip_ident_num,
/*
*
* Start of private ioctls.
*
*/
vidioc_int_priv_start_num = 2000,
};
struct v4l2_int_device;
struct v4l2_int_master {
@ -141,6 +91,81 @@ void v4l2_int_device_unregister(struct v4l2_int_device *d);
int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd);
int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg);
/*
*
* Types and definitions for IOCTL commands.
*
*/
/* Slave interface type. */
enum v4l2_if_type {
};
struct v4l2_ifparm {
enum v4l2_if_type if_type;
union {
} u;
};
/* IOCTL command numbers. */
enum v4l2_int_ioctl_num {
/*
*
* "Proper" V4L ioctls, as in struct video_device.
*
*/
vidioc_int_enum_fmt_cap_num = 1,
vidioc_int_g_fmt_cap_num,
vidioc_int_s_fmt_cap_num,
vidioc_int_try_fmt_cap_num,
vidioc_int_queryctrl_num,
vidioc_int_g_ctrl_num,
vidioc_int_s_ctrl_num,
vidioc_int_g_parm_num,
vidioc_int_s_parm_num,
/*
*
* Strictly internal ioctls.
*
*/
/* Initialise the device when slave attaches to the master. */
vidioc_int_dev_init_num = 1000,
/* Delinitialise the device at slave detach. */
vidioc_int_dev_exit_num,
/* Set device power state: 0 is off, non-zero is on. */
vidioc_int_s_power_num,
/* Get slave interface parameters. */
vidioc_int_g_ifparm_num,
/* Get external clock speed for current slave settings. */
vidioc_int_g_ext_clk_num,
/*
* Tell what the generated interface clock speed actually is.
*/
vidioc_int_s_ext_clk_num,
/* Does the slave need to be reset after VIDIOC_DQBUF? */
vidioc_int_g_needs_reset_num,
/*
*
* VIDIOC_INT_* ioctls.
*
*/
/* VIDIOC_INT_RESET */
vidioc_int_reset_num,
/* VIDIOC_INT_INIT */
vidioc_int_init_num,
/* VIDIOC_INT_G_CHIP_IDENT */
vidioc_int_g_chip_ident_num,
/*
*
* Start of private ioctls.
*
*/
vidioc_int_priv_start_num = 2000,
};
/*
*
* IOCTL wrapper functions for better type checking.
@ -199,6 +224,7 @@ V4L2_INT_WRAPPER_1(s_parm, struct v4l2_streamparm, *);
V4L2_INT_WRAPPER_0(dev_init);
V4L2_INT_WRAPPER_0(dev_exit);
V4L2_INT_WRAPPER_1(s_power, int, );
V4L2_INT_WRAPPER_1(g_ifparm, struct v4l2_ifparm, *);
V4L2_INT_WRAPPER_1(s_ext_clk, u32, );
V4L2_INT_WRAPPER_1(g_ext_clk, u32, *);
V4L2_INT_WRAPPER_1(g_needs_reset, void, *);