This describe GM8126 ioctl functions: source/dvr_disp_ioctl.h File Reference

GM8126 DVR

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Defines

source/dvr_disp_ioctl.h File Reference

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Defines

#define DVR_DISP_IOC_MAGIC   'I'
#define DVR_DISP_INITIATE   _IO(DVR_DISP_IOC_MAGIC, 1)
#define DVR_DISP_TERMINATE   _IO(DVR_DISP_IOC_MAGIC, 2)
#define DVR_DISP_GET_DISP_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 4, dvr_disp_disp_param)
#define DVR_DISP_SET_DISP_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 5, dvr_disp_disp_param)
#define DVR_DISP_UPDATE_DISP_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 6, dvr_disp_update_disp_param)
#define DVR_DISP_GET_PLANE_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 7, dvr_disp_plane_param)
#define DVR_DISP_SET_PLANE_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 8, dvr_disp_plane_param)
#define DVR_DISP_UPDATE_PLANE_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 9, dvr_disp_update_plane_param)
#define DVR_DISP_CONTROL   _IOR(DVR_DISP_IOC_MAGIC, 10, dvr_disp_control)
#define DVR_DISP_CLEAR_WIN   _IOWR(DVR_DISP_IOC_MAGIC, 11, dvr_disp_clear_param)

Define Documentation

#define DVR_DISP_IOC_MAGIC   'I'

Definition at line 2 of file dvr_disp_ioctl.h.

#define DVR_DISP_INITIATE   _IO(DVR_DISP_IOC_MAGIC, 1)

ioctl(disp_fd, DVR_DISP_INITIATE, 0)

  • explanation : not used

Definition at line 10 of file dvr_disp_ioctl.h.

#define DVR_DISP_TERMINATE   _IO(DVR_DISP_IOC_MAGIC, 2)

ioctl(disp_fd, DVR_DISP_TERMINATE, 0)

  • explanation : not used

Definition at line 18 of file dvr_disp_ioctl.h.

#define DVR_DISP_GET_DISP_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 4, dvr_disp_disp_param)

ioctl(disp_fd, DVR_DISP_GET_DISP_PARAM, &disp_param)

  • explanation : get LCD color parameter from user space ,and set parameter to device driver
  • parameter :
    pointer disp_param : argument from user space ioctl parameter, it means structure dvr_disp_disp_param
Examples:
2ch_liveview.c, 2ch_playback.c, liveview.c, pip.c, and playback.c.

Definition at line 28 of file dvr_disp_ioctl.h.

#define DVR_DISP_SET_DISP_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 5, dvr_disp_disp_param)

ioctl(disp_fd, DVR_DISP_SET_DISP_PARAM, &disp_param)

  • explanation : get LCD color parameter from user space ,and set parameter to device driver
  • parameter :
    pointer disp_param : argument from user space ioctl parameter, it means structure dvr_disp_disp_param
Examples:
playback.c.

Definition at line 38 of file dvr_disp_ioctl.h.

#define DVR_DISP_UPDATE_DISP_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 6, dvr_disp_update_disp_param)

ioctl(disp_fd, DVR_DISP_UPDATE_DISP_PARAM, &disp_update_param)

  • explanation : get LCD color parameter from user space ,and update parameter to device driver
  • parameter :
    pointer disp_update_param : argument from user space ioctl parameter, it means structure dvr_disp_update_disp_param
Examples:
2ch_liveview.c, 2ch_playback.c, liveview.c, pip.c, and playback.c.

Definition at line 48 of file dvr_disp_ioctl.h.

#define DVR_DISP_GET_PLANE_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 7, dvr_disp_plane_param)

ioctl(disp_fd, DVR_DISP_GET_PLANE_PARAM, &plane_param)

  • explanation : get LCD plane(window) parameter from user space, and set parameter to device driver
  • parameter :
    pointer plane_param : argument from user space ioctl parameter, it means structure dvr_disp_plane_param
Examples:
2ch_liveview.c, 2ch_playback.c, liveview.c, pip.c, and playback.c.

Definition at line 58 of file dvr_disp_ioctl.h.

#define DVR_DISP_SET_PLANE_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 8, dvr_disp_plane_param)

ioctl(disp_fd, DVR_DISP_SET_PLANE_PARAM, &plane_param_set)

  • explanation : get LCD plane(window) parameter from user space, and set parameter to device driver
  • parameter :
    pointer plane_param_set : argument from user space ioctl parameter, it means structure dvr_disp_plane_param
Examples:
playback.c.

Definition at line 68 of file dvr_disp_ioctl.h.

#define DVR_DISP_UPDATE_PLANE_PARAM   _IOWR(DVR_DISP_IOC_MAGIC, 9, dvr_disp_update_plane_param)

ioctl(disp_fd, DVR_DISP_UPDATE_PLANE_PARAM, &plane_param_update)

  • explanation : get LCD plane(window) parameter from user space, and update parameter to device driver
  • parameter :
    pointer plane_param_update : argument from user space ioctl parameter, it means structure dvr_disp_update_plane_param
Examples:
2ch_liveview.c, 2ch_playback.c, liveview.c, pip.c, and playback.c.

Definition at line 78 of file dvr_disp_ioctl.h.

#define DVR_DISP_CONTROL   _IOR(DVR_DISP_IOC_MAGIC, 10, dvr_disp_control)

ioctl(disp_fd, DVR_DISP_CONTROL, &disp_ctrl)

  • explanation : get display control command from user space, and set command to videograph layer
  • parameter :
    pointer disp_ctrl : argument from user space ioctl parameter, it means structure dvr_disp_control
Examples:
2ch_liveview.c, liveview.c, and pip.c.

Definition at line 88 of file dvr_disp_ioctl.h.

#define DVR_DISP_CLEAR_WIN   _IOWR(DVR_DISP_IOC_MAGIC, 11, dvr_disp_clear_param)

ioctl(disp_fd, DVR_DISP_INITIATE, &disp_clear_param)

  • explanation : get channel parameter from user space ,and clear lcd buffer
  • parameter :
    pointer disp_clear_param; : argument from user space ioctl parameter, it means structure dvr_disp_clear_param
Examples:
2ch_liveview.c.

Definition at line 98 of file dvr_disp_ioctl.h.

Generated on Wed Jun 15 2011 15:51:00 for This describe GM8126 ioctl functions by  doxygen 1.7.1
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