1 #ifndef _DRXK_H_ 2 #define _DRXK_H_ 3 4 #include <linux/types.h> 5 #include <linux/i2c.h> 6 7 /** 8 * struct drxk_config - Configure the initial parameters for DRX-K 9 * 10 * @adr: I2C Address of the DRX-K 11 * @parallel_ts: True means that the device uses parallel TS, 12 * Serial otherwise. 13 * @dynamic_clk: True means that the clock will be dynamically 14 * adjusted. Static clock otherwise. 15 * @enable_merr_cfg: Enable SIO_PDR_PERR_CFG/SIO_PDR_MVAL_CFG. 16 * @single_master: Device is on the single master mode 17 * @no_i2c_bridge: Don't switch the I2C bridge to talk with tuner 18 * @antenna_gpio: GPIO bit used to control the antenna 19 * @antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1 20 * means that 1=DVBC, 0 = DVBT. Zero means the opposite. 21 * @mpeg_out_clk_strength: DRXK Mpeg output clock drive strength. 22 * @microcode_name: Name of the firmware file with the microcode 23 * 24 * On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is 25 * UIO-3. 26 */ 27 struct drxk_config { 28 u8 adr; 29 bool single_master; 30 bool no_i2c_bridge; 31 bool parallel_ts; 32 bool dynamic_clk; 33 bool enable_merr_cfg; 34 35 bool antenna_dvbt; 36 u16 antenna_gpio; 37 38 u8 mpeg_out_clk_strength; 39 int chunk_size; 40 41 const char *microcode_name; 42 }; 43 44 #if defined(CONFIG_DVB_DRXK) || (defined(CONFIG_DVB_DRXK_MODULE) \ 45 && defined(MODULE)) 46 extern struct dvb_frontend *drxk_attach(const struct drxk_config *config, 47 struct i2c_adapter *i2c); 48 #else drxk_attach(const struct drxk_config * config,struct i2c_adapter * i2c)49static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config, 50 struct i2c_adapter *i2c) 51 { 52 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 53 return NULL; 54 } 55 #endif 56 57 #endif 58