diff options
Diffstat (limited to 'drivers/media/dvb/frontends/drxk.h')
| -rw-r--r-- | drivers/media/dvb/frontends/drxk.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/drxk.h b/drivers/media/dvb/frontends/drxk.h new file mode 100644 index 000000000000..58baf419560c --- /dev/null +++ b/drivers/media/dvb/frontends/drxk.h @@ -0,0 +1,47 @@ +#ifndef _DRXK_H_ +#define _DRXK_H_ + +#include <linux/types.h> +#include <linux/i2c.h> + +/** + * struct drxk_config - Configure the initial parameters for DRX-K + * + * adr: I2C Address of the DRX-K + * single_master: Device is on the single master mode + * no_i2c_bridge: Don't switch the I2C bridge to talk with tuner + * antenna_gpio: GPIO bit used to control the antenna + * antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1 + * means that 1=DVBC, 0 = DVBT. Zero means the opposite. + * microcode_name: Name of the firmware file with the microcode + * + * On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is + * UIO-3. + */ +struct drxk_config { + u8 adr; + bool single_master; + bool no_i2c_bridge; + + bool antenna_dvbt; + u16 antenna_gpio; + + const char *microcode_name; +}; + +#if defined(CONFIG_DVB_DRXK) || (defined(CONFIG_DVB_DRXK_MODULE) \ + && defined(MODULE)) +extern struct dvb_frontend *drxk_attach(const struct drxk_config *config, + struct i2c_adapter *i2c, + struct dvb_frontend **fe_t); +#else +static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config, + struct i2c_adapter *i2c, + struct dvb_frontend **fe_t) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif |