102bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin/* 202bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * include/media/si4713.h 302bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * 402bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * Board related data definitions for Si4713 i2c device driver. 502bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * 602bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * Copyright (c) 2009 Nokia Corporation 702bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * Contact: Eduardo Valentin <eduardo.valentin@nokia.com> 802bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * 902bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * This file is licensed under the terms of the GNU General Public License 1002bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * version 2. This program is licensed "as is" without any warranty of any 1102bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * kind, whether express or implied. 1202bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * 1302bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin */ 1402bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin 1502bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin#ifndef SI4713_H 1602bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin#define SI4713_H 1702bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin 1802bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin/* The SI4713 I2C sensor chip has a fixed slave address of 0xc6 or 0x22. */ 1902bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin#define SI4713_I2C_ADDR_BUSEN_HIGH 0x63 2002bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin#define SI4713_I2C_ADDR_BUSEN_LOW 0x11 2102bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin 2202bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin/* 2302bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * Platform dependent definition 2402bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin */ 2502bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentinstruct si4713_platform_data { 2600df055ae315c9c8792dc4d012e6ad9c4d527e87Jarkko Nikula int gpio_reset; /* < 0 if not used */ 2702bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin}; 2802bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin 2902bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin/* 3002bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * Structure to query for Received Noise Level (RNL). 3102bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin */ 3202bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentinstruct si4713_rnl { 3302bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin __u32 index; /* modulator index */ 3402bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin __u32 frequency; /* frequency to peform rnl measurement */ 3502bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin __s32 rnl; /* result of measurement in dBuV */ 3602bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin __u32 reserved[4]; /* drivers and apps must init this to 0 */ 3702bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin}; 3802bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin 3902bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin/* 4002bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * This is the ioctl number to query for rnl. Users must pass a 4102bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * struct si4713_rnl pointer specifying desired frequency in 'frequency' field 4202bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * following driver capabilities (i.e V4L2_TUNER_CAP_LOW). 4302bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin * Driver must return measured value in the same struture, filling 'rnl' field. 4402bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin */ 4502bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin#define SI4713_IOC_MEASURE_RNL _IOWR('V', BASE_VIDIOC_PRIVATE + 0, \ 4602bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin struct si4713_rnl) 4702bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin 4802bee89e79b1302776e32214b8ca96a00c70c446Eduardo Valentin#endif /* ifndef SI4713_H*/ 49