cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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si4713.h (1414B)

      1/*
      2 * include/linux/platform_data/media/si4713.h
      3 *
      4 * Board related data definitions for Si4713 i2c device driver.
      5 *
      6 * Copyright (c) 2009 Nokia Corporation
      7 * Contact: Eduardo Valentin <eduardo.valentin@nokia.com>
      8 *
      9 * This file is licensed under the terms of the GNU General Public License
     10 * version 2. This program is licensed "as is" without any warranty of any
     11 * kind, whether express or implied.
     12 *
     13 */
     14
     15#ifndef SI4713_H
     16#define SI4713_H
     17
     18/* The SI4713 I2C sensor chip has a fixed slave address of 0xc6 or 0x22. */
     19#define SI4713_I2C_ADDR_BUSEN_HIGH	0x63
     20#define SI4713_I2C_ADDR_BUSEN_LOW	0x11
     21
     22/*
     23 * Platform dependent definition
     24 */
     25struct si4713_platform_data {
     26	bool is_platform_device;
     27};
     28
     29/*
     30 * Structure to query for Received Noise Level (RNL).
     31 */
     32struct si4713_rnl {
     33	__u32 index;		/* modulator index */
     34	__u32 frequency;	/* frequency to perform rnl measurement */
     35	__s32 rnl;		/* result of measurement in dBuV */
     36	__u32 reserved[4];	/* drivers and apps must init this to 0 */
     37};
     38
     39/*
     40 * This is the ioctl number to query for rnl. Users must pass a
     41 * struct si4713_rnl pointer specifying desired frequency in 'frequency' field
     42 * following driver capabilities (i.e V4L2_TUNER_CAP_LOW).
     43 * Driver must return measured value in the same structure, filling 'rnl' field.
     44 */
     45#define SI4713_IOC_MEASURE_RNL	_IOWR('V', BASE_VIDIOC_PRIVATE + 0, \
     46						struct si4713_rnl)
     47
     48#endif /* ifndef SI4713_H*/