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authorDmitri Belimov <d.belimov@gmail.com>2010-03-23 10:23:29 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-17 23:50:24 -0400
commit85e092190b5f7dfe9b78556440472c5590a32b4e (patch)
tree95b38198c6b048d43fbda277ba6476eb9e8fbd55 /include/media
parent443fed9fa42bbeacdb8d336b8a5002a262cac15c (diff)
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.h19
-rw-r--r--include/media/v4l2-subdev.h2
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);
184 184
185/* ------------------------------------------------------------------------- */ 185/* ------------------------------------------------------------------------- */
186 186
187/* SPI Helper functions */
188#if defined(CONFIG_SPI)
189
190#include <linux/spi/spi.h>
191
192struct spi_device;
193
194/* Load an spi module and return an initialized v4l2_subdev struct.
195 The client_type argument is the name of the chip that's on the adapter. */
196struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev,
197 struct spi_master *master, struct spi_board_info *info);
198
199/* Initialize an v4l2_subdev with data from an spi_device struct */
200void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
201 const struct v4l2_subdev_ops *ops);
202#endif
203
204/* ------------------------------------------------------------------------- */
205
187/* Note: these remaining ioctls/structs should be removed as well, but they are 206/* Note: these remaining ioctls/structs should be removed as well, but they are
188 still used in tuner-simple.c (TUNER_SET_CONFIG), cx18/ivtv (RESET) and 207 still used in tuner-simple.c (TUNER_SET_CONFIG), cx18/ivtv (RESET) and
189 v4l2-int-device.h (v4l2_routing). To remove these ioctls some more cleanup 208 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 {
387 387
388/* Set this flag if this subdev is a i2c device. */ 388/* Set this flag if this subdev is a i2c device. */
389#define V4L2_SUBDEV_FL_IS_I2C (1U << 0) 389#define V4L2_SUBDEV_FL_IS_I2C (1U << 0)
390/* Set this flag if this subdev is a spi device. */
391#define V4L2_SUBDEV_FL_IS_SPI (1U << 1)
390 392
391/* Each instance of a subdev driver should create this struct, either 393/* Each instance of a subdev driver should create this struct, either
392 stand-alone or embedded in a larger struct. 394 stand-alone or embedded in a larger struct.