diff options
Diffstat (limited to 'linux/drivers/media/video/sn9c102/sn9c102_sensor.h')
| -rw-r--r-- | linux/drivers/media/video/sn9c102/sn9c102_sensor.h | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/linux/drivers/media/video/sn9c102/sn9c102_sensor.h b/linux/drivers/media/video/sn9c102/sn9c102_sensor.h index 4fceceab6..d5fffc569 100644 --- a/linux/drivers/media/video/sn9c102/sn9c102_sensor.h +++ b/linux/drivers/media/video/sn9c102/sn9c102_sensor.h @@ -22,12 +22,12 @@ #define _SN9C102_SENSOR_H_ #include <linux/usb.h> -#include "compat.h" -#include <linux/videodev.h> +#include <linux/videodev2.h> #include <linux/device.h> #include <linux/stddef.h> #include <linux/errno.h> #include <asm/types.h> +#include "compat.h" struct sn9c102_device; struct sn9c102_sensor; @@ -75,7 +75,7 @@ sn9c102_match_id(struct sn9c102_device* cam, const struct usb_device_id *id); /* Attach a probed sensor to the camera. */ extern void sn9c102_attach_sensor(struct sn9c102_device* cam, - struct sn9c102_sensor* sensor); + const struct sn9c102_sensor* sensor); /* Read/write routines: they always return -1 on error, 0 or the read value @@ -86,10 +86,11 @@ sn9c102_attach_sensor(struct sn9c102_device* cam, */ /* The "try" I2C I/O versions are used when probing the sensor */ -extern int sn9c102_i2c_try_write(struct sn9c102_device*,struct sn9c102_sensor*, - u8 address, u8 value); -extern int sn9c102_i2c_try_read(struct sn9c102_device*,struct sn9c102_sensor*, - u8 address); +extern int sn9c102_i2c_try_write(struct sn9c102_device*, + const struct sn9c102_sensor*, u8 address, + u8 value); +extern int sn9c102_i2c_try_read(struct sn9c102_device*, + const struct sn9c102_sensor*, u8 address); /* These must be used if and only if the sensor doesn't implement the standard @@ -103,21 +104,31 @@ extern int sn9c102_i2c_try_read(struct sn9c102_device*,struct sn9c102_sensor*, byte. */ extern int sn9c102_i2c_try_raw_write(struct sn9c102_device* cam, - struct sn9c102_sensor* sensor, u8 n, + const struct sn9c102_sensor* sensor, u8 n, u8 data0, u8 data1, u8 data2, u8 data3, u8 data4, u8 data5); extern int sn9c102_i2c_try_raw_read(struct sn9c102_device* cam, - struct sn9c102_sensor* sensor, u8 data0, - u8 data1, u8 n, u8 buffer[]); + const struct sn9c102_sensor* sensor, + u8 data0, u8 data1, u8 n, u8 buffer[]); /* To be used after the sensor struct has been attached to the camera struct */ extern int sn9c102_i2c_write(struct sn9c102_device*, u8 address, u8 value); extern int sn9c102_i2c_read(struct sn9c102_device*, u8 address); /* I/O on registers in the bridge. Could be used by the sensor methods too */ -extern int sn9c102_write_regs(struct sn9c102_device*, u8* buff, u16 index); -extern int sn9c102_write_reg(struct sn9c102_device*, u8 value, u16 index); +extern int sn9c102_read_reg(struct sn9c102_device*, u16 index); extern int sn9c102_pread_reg(struct sn9c102_device*, u16 index); +extern int sn9c102_write_reg(struct sn9c102_device*, u8 value, u16 index); +extern int sn9c102_write_regs(struct sn9c102_device*, const u8 valreg[][2], + int count); +/* + Write multiple registers with constant values. For example: + sn9c102_write_const_regs(cam, {0x00, 0x14}, {0x60, 0x17}, {0x0f, 0x18}); + Register adresses must be < 256. +*/ +#define sn9c102_write_const_regs(sn9c102_device, data...) \ + ({ const static u8 _valreg[][2] = {data}; \ + sn9c102_write_regs(sn9c102_device, _valreg, ARRAY_SIZE(_valreg)); }) /*****************************************************************************/ |