diff options
Diffstat (limited to 'include/media/v4l2-int-device.h')
| -rw-r--r-- | include/media/v4l2-int-device.h | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h deleted file mode 100644 index 0286c95814f..00000000000 --- a/include/media/v4l2-int-device.h +++ /dev/null @@ -1,305 +0,0 @@ -/* - * include/media/v4l2-int-device.h - * - * V4L2 internal ioctl interface. - * - * Copyright (C) 2007 Nokia Corporation. - * - * Contact: Sakari Ailus <sakari.ailus@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef V4L2_INT_DEVICE_H -#define V4L2_INT_DEVICE_H - -#include <media/v4l2-common.h> - -#define V4L2NAMESIZE 32 - -/* - * - * The internal V4L2 device interface core. - * - */ - -enum v4l2_int_type { - v4l2_int_type_master = 1, - v4l2_int_type_slave -}; - -struct module; - -struct v4l2_int_device; - -struct v4l2_int_master { - int (*attach)(struct v4l2_int_device *slave); - void (*detach)(struct v4l2_int_device *slave); -}; - -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; -}; - -void v4l2_int_device_try_attach_all(void); - -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. - * - */ - -enum v4l2_power { - V4L2_POWER_OFF = 0, - V4L2_POWER_ON, - V4L2_POWER_STANDBY, -}; - -/* Slave interface type. */ -enum v4l2_if_type { - /* - * Parallel 8-, 10- or 12-bit interface, used by for example - * on certain image sensors. - */ - V4L2_IF_TYPE_BT656, -}; - -enum v4l2_if_type_bt656_mode { - /* - * Modes without Bt synchronisation codes. Separate - * synchronisation signal lines are used. - */ - V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT, - V4L2_IF_TYPE_BT656_MODE_NOBT_10BIT, - V4L2_IF_TYPE_BT656_MODE_NOBT_12BIT, - /* - * Use Bt synchronisation codes. The vertical and horizontal - * synchronisation is done based on synchronisation codes. - */ - V4L2_IF_TYPE_BT656_MODE_BT_8BIT, - V4L2_IF_TYPE_BT656_MODE_BT_10BIT, -}; - -struct v4l2_if_type_bt656 { - /* - * 0: Frame begins when vsync is high. - * 1: Frame begins when vsync changes from low to high. - */ - unsigned frame_start_on_rising_vs:1; - /* Use Bt synchronisation codes for sync correction. */ - unsigned bt_sync_correct:1; - /* Swap every two adjacent image data elements. */ - unsigned swap:1; - /* Inverted latch clock polarity from slave. */ - unsigned latch_clk_inv:1; - /* Hs polarity. 0 is active high, 1 active low. */ - unsigned nobt_hs_inv:1; - /* Vs polarity. 0 is active high, 1 active low. */ - unsigned nobt_vs_inv:1; - enum v4l2_if_type_bt656_mode mode; - /* Minimum accepted bus clock for slave (in Hz). */ - u32 clock_min; - /* Maximum accepted bus clock for slave. */ - u32 clock_max; - /* - * Current wish of the slave. May only change in response to - * ioctls that affect image capture. - */ - u32 clock_curr; -}; - -struct v4l2_ifparm { - enum v4l2_if_type if_type; - union { - struct v4l2_if_type_bt656 bt656; - } 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_cropcap_num, - vidioc_int_g_crop_num, - vidioc_int_s_crop_num, - vidioc_int_g_parm_num, - vidioc_int_s_parm_num, - vidioc_int_querystd_num, - vidioc_int_s_std_num, - vidioc_int_s_video_routing_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. */ - vidioc_int_s_power_num, - /* - * Get slave private data, e.g. platform-specific slave - * configuration used by the master. - */ - vidioc_int_g_priv_num, - /* Get slave interface parameters. */ - vidioc_int_g_ifparm_num, - /* Does the slave need to be reset after VIDIOC_DQBUF? */ - vidioc_int_g_needs_reset_num, - vidioc_int_enum_framesizes_num, - vidioc_int_enum_frameintervals_num, - - /* - * - * VIDIOC_INT_* ioctls. - * - */ - /* VIDIOC_INT_RESET */ - vidioc_int_reset_num, - /* VIDIOC_INT_INIT */ - vidioc_int_init_num, - - /* - * - * Start of private ioctls. - * - */ - vidioc_int_priv_start_num = 2000, -}; - -/* - * - * IOCTL wrapper functions for better type checking. - * - */ - -#define V4L2_INT_WRAPPER_0(name) \ - static inline int vidioc_int_##name(struct v4l2_int_device *d) \ - { \ - return v4l2_int_ioctl_0(d, vidioc_int_##name##_num); \ - } \ - \ - static inline struct v4l2_int_ioctl_desc \ - vidioc_int_##name##_cb(int (*func) \ - (struct v4l2_int_device *)) \ - { \ - struct v4l2_int_ioctl_desc desc; \ - \ - desc.num = vidioc_int_##name##_num; \ - desc.func = (v4l2_int_ioctl_func *)func; \ - \ - return desc; \ - } - -#define V4L2_INT_WRAPPER_1(name, arg_type, asterisk) \ - static inline int vidioc_int_##name(struct v4l2_int_device *d, \ - arg_type asterisk arg) \ - { \ - return v4l2_int_ioctl_1(d, vidioc_int_##name##_num, \ - (void *)(unsigned long)arg); \ - } \ - \ - static inline struct v4l2_int_ioctl_desc \ - vidioc_int_##name##_cb(int (*func) \ - (struct v4l2_int_device *, \ - arg_type asterisk)) \ - { \ - struct v4l2_int_ioctl_desc desc; \ - \ - desc.num = vidioc_int_##name##_num; \ - desc.func = (v4l2_int_ioctl_func *)func; \ - \ - return desc; \ - } - -V4L2_INT_WRAPPER_1(enum_fmt_cap, struct v4l2_fmtdesc, *); -V4L2_INT_WRAPPER_1(g_fmt_cap, struct v4l2_format, *); -V4L2_INT_WRAPPER_1(s_fmt_cap, struct v4l2_format, *); -V4L2_INT_WRAPPER_1(try_fmt_cap, struct v4l2_format, *); -V4L2_INT_WRAPPER_1(queryctrl, struct v4l2_queryctrl, *); -V4L2_INT_WRAPPER_1(g_ctrl, struct v4l2_control, *); -V4L2_INT_WRAPPER_1(s_ctrl, struct v4l2_control, *); -V4L2_INT_WRAPPER_1(cropcap, struct v4l2_cropcap, *); -V4L2_INT_WRAPPER_1(g_crop, struct v4l2_crop, *); -V4L2_INT_WRAPPER_1(s_crop, struct v4l2_crop, *); -V4L2_INT_WRAPPER_1(g_parm, struct v4l2_streamparm, *); -V4L2_INT_WRAPPER_1(s_parm, struct v4l2_streamparm, *); -V4L2_INT_WRAPPER_1(querystd, v4l2_std_id, *); -V4L2_INT_WRAPPER_1(s_std, v4l2_std_id, *); -V4L2_INT_WRAPPER_1(s_video_routing, struct v4l2_routing, *); - -V4L2_INT_WRAPPER_0(dev_init); -V4L2_INT_WRAPPER_0(dev_exit); -V4L2_INT_WRAPPER_1(s_power, enum v4l2_power, ); -V4L2_INT_WRAPPER_1(g_priv, void, *); -V4L2_INT_WRAPPER_1(g_ifparm, struct v4l2_ifparm, *); -V4L2_INT_WRAPPER_1(g_needs_reset, void, *); -V4L2_INT_WRAPPER_1(enum_framesizes, struct v4l2_frmsizeenum, *); -V4L2_INT_WRAPPER_1(enum_frameintervals, struct v4l2_frmivalenum, *); - -V4L2_INT_WRAPPER_0(reset); -V4L2_INT_WRAPPER_0(init); - -#endif |