diff options
| -rw-r--r-- | drivers/media/video/v4l2-int-device.c | 4 | ||||
| -rw-r--r-- | include/media/v4l2-int-device.h | 130 |
2 files changed, 80 insertions, 54 deletions
diff --git a/drivers/media/video/v4l2-int-device.c b/drivers/media/video/v4l2-int-device.c index a643730fa3b2..7ad8700ebdea 100644 --- a/drivers/media/video/v4l2-int-device.c +++ b/drivers/media/video/v4l2-int-device.c @@ -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); } diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h index deb28ce6685d..861978deb3bf 100644 --- a/include/media/v4l2-int-device.h +++ b/include/media/v4l2-int-device.h @@ -30,11 +30,84 @@ #define V4L2NAMESIZE 32 +/* + * + * The internal V4L2 device interface core. + * + */ + enum v4l2_int_type { v4l2_int_type_master = 1, v4l2_int_type_slave }; +struct v4l2_int_device; + +struct v4l2_int_master { + int (*attach)(struct v4l2_int_device *master, + struct v4l2_int_device *slave); + void (*detach)(struct v4l2_int_device *master); +}; + +typedef int (v4l2_int_ioctl_func)(struct v4l2_int_device *); +typedef int (v4l2_int_ioctl_func_0)(struct v4l2_int_device *); +typedef int (v4l2_int_ioctl_func_1)(struct v4l2_int_device *, void *); + +struct v4l2_int_ioctl_desc { + int num; + v4l2_int_ioctl_func *func; +}; + +struct v4l2_int_slave { + /* Don't touch master. */ + struct v4l2_int_device *master; + + char attach_to[V4L2NAMESIZE]; + + int num_ioctls; + struct v4l2_int_ioctl_desc *ioctls; +}; + +struct v4l2_int_device { + /* Don't touch head. */ + struct list_head head; + + struct module *module; + + char name[V4L2NAMESIZE]; + + enum v4l2_int_type type; + union { + struct v4l2_int_master *master; + struct v4l2_int_slave *slave; + } u; + + void *priv; +}; + +int v4l2_int_device_register(struct v4l2_int_device *d); +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 { /* * @@ -62,10 +135,12 @@ enum v4l2_int_ioctl_num { 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. */ + /* 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 parallel interface clock speed actually is. + * 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? */ @@ -91,56 +166,6 @@ enum v4l2_int_ioctl_num { vidioc_int_priv_start_num = 2000, }; -struct v4l2_int_device; - -struct v4l2_int_master { - int (*attach)(struct v4l2_int_device *master, - struct v4l2_int_device *slave); - void (*detach)(struct v4l2_int_device *master); -}; - -typedef int (v4l2_int_ioctl_func)(struct v4l2_int_device *); -typedef int (v4l2_int_ioctl_func_0)(struct v4l2_int_device *); -typedef int (v4l2_int_ioctl_func_1)(struct v4l2_int_device *, void *); - -struct v4l2_int_ioctl_desc { - int num; - v4l2_int_ioctl_func *func; -}; - -struct v4l2_int_slave { - /* Don't touch master. */ - struct v4l2_int_device *master; - - char attach_to[V4L2NAMESIZE]; - - int num_ioctls; - struct v4l2_int_ioctl_desc *ioctls; -}; - -struct v4l2_int_device { - /* Don't touch head. */ - struct list_head head; - - struct module *module; - - char name[V4L2NAMESIZE]; - - enum v4l2_int_type type; - union { - struct v4l2_int_master *master; - struct v4l2_int_slave *slave; - } u; - - void *priv; -}; - -int v4l2_int_device_register(struct v4l2_int_device *d); -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); - /* * * 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, *); |