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| author | Dmitri Belimov <d.belimov@gmail.com> | 2010-03-23 15:23:29 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-18 05:50:24 +0200 |
| commit | 85e092190b5f7dfe9b78556440472c5590a32b4e (patch) | |
| tree | 95b38198c6b048d43fbda277ba6476eb9e8fbd55 /include/media | |
| parent | V4L/DVB: em28xx: add em286x/tvp5150 reference design (diff) | |
| download | linux-85e092190b5f7dfe9b78556440472c5590a32b4e.tar.xz linux-85e092190b5f7dfe9b78556440472c5590a32b4e.zip | |
V4L/DVB: Add SPI support to V4L2
Add support SPI bus to v4l2. Useful for control some device with SPI bus like
hardware MPEG2 encoders and etc.
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-common.h | 19 | ||||
| -rw-r--r-- | include/media/v4l2-subdev.h | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 1c7b259f341c..3b2efdc6d065 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -184,6 +184,25 @@ const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type); /* ------------------------------------------------------------------------- */ +/* SPI Helper functions */ +#if defined(CONFIG_SPI) + +#include <linux/spi/spi.h> + +struct spi_device; + +/* Load an spi module and return an initialized v4l2_subdev struct. + The client_type argument is the name of the chip that's on the adapter. */ +struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev, + struct spi_master *master, struct spi_board_info *info); + +/* Initialize an v4l2_subdev with data from an spi_device struct */ +void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi, + const struct v4l2_subdev_ops *ops); +#endif + +/* ------------------------------------------------------------------------- */ + /* Note: these remaining ioctls/structs should be removed as well, but they are still used in tuner-simple.c (TUNER_SET_CONFIG), cx18/ivtv (RESET) and v4l2-int-device.h (v4l2_routing). To remove these ioctls some more cleanup diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 2bcdca0a57fc..09758789be02 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -387,6 +387,8 @@ struct v4l2_subdev_ops { /* Set this flag if this subdev is a i2c device. */ #define V4L2_SUBDEV_FL_IS_I2C (1U << 0) +/* Set this flag if this subdev is a spi device. */ +#define V4L2_SUBDEV_FL_IS_SPI (1U << 1) /* Each instance of a subdev driver should create this struct, either stand-alone or embedded in a larger struct. |