/* * include/linux/platform_data/media/si4713.h * * Board related data definitions for Si4713 i2c device driver. * * Copyright (c) 2009 Nokia Corporation * Contact: Eduardo Valentin <eduardo.valentin@nokia.com> * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. * */ #ifndef SI4713_H #define SI4713_H /* The SI4713 I2C sensor chip has a fixed slave address of 0xc6 or 0x22. */ #define SI4713_I2C_ADDR_BUSEN_HIGH 0x63 #define SI4713_I2C_ADDR_BUSEN_LOW 0x11 /* * Platform dependent definition */ struct si4713_platform_data { bool is_platform_device; }; /* * Structure to query for Received Noise Level (RNL). */ struct si4713_rnl { __u32 index; /* modulator index */ __u32 frequency; /* frequency to perform rnl measurement */ __s32 rnl; /* result of measurement in dBuV */ __u32 reserved[4]; /* drivers and apps must init this to 0 */ }; /* * This is the ioctl number to query for rnl. Users must pass a * struct si4713_rnl pointer specifying desired frequency in 'frequency' field * following driver capabilities (i.e V4L2_TUNER_CAP_LOW). * Driver must return measured value in the same structure, filling 'rnl' field. */ #define SI4713_IOC_MEASURE_RNL _IOWR('V', BASE_VIDIOC_PRIVATE + 0, \ struct si4713_rnl) #endif /* ifndef SI4713_H*/