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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i2c-s3c2410.h (2929B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright 2004-2009 Simtec Electronics
      4 *	Ben Dooks <ben@simtec.co.uk>
      5 *
      6 * S3C - I2C Controller platform_device info
      7*/
      8
      9#ifndef __I2C_S3C2410_H
     10#define __I2C_S3C2410_H __FILE__
     11
     12#define S3C_IICFLG_FILTER	(1<<0)	/* enable s3c2440 filter */
     13
     14struct platform_device;
     15
     16/**
     17 *	struct s3c2410_platform_i2c - Platform data for s3c I2C.
     18 *	@bus_num: The bus number to use (if possible).
     19 *	@flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER).
     20 *	@slave_addr: The I2C address for the slave device (if enabled).
     21 *	@frequency: The desired frequency in Hz of the bus.  This is
     22 *                  guaranteed to not be exceeded.  If the caller does
     23 *                  not care, use zero and the driver will select a
     24 *                  useful default.
     25 *	@sda_delay: The delay (in ns) applied to SDA edges.
     26 *	@cfg_gpio: A callback to configure the pins for I2C operation.
     27 */
     28struct s3c2410_platform_i2c {
     29	int		bus_num;
     30	unsigned int	flags;
     31	unsigned int	slave_addr;
     32	unsigned long	frequency;
     33	unsigned int	sda_delay;
     34
     35	void	(*cfg_gpio)(struct platform_device *dev);
     36};
     37
     38/**
     39 * s3c_i2c0_set_platdata - set platform data for i2c0 device
     40 * @i2c: The platform data to set, or NULL for default data.
     41 *
     42 * Register the given platform data for use with the i2c0 device. This
     43 * call copies the platform data, so the caller can use __initdata for
     44 * their copy.
     45 *
     46 * This call will set cfg_gpio if is null to the default platform
     47 * implementation.
     48 *
     49 * Any user of s3c_device_i2c0 should call this, even if it is with
     50 * NULL to ensure that the device is given the default platform data
     51 * as the driver will no longer carry defaults.
     52 */
     53extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
     54extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
     55extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c);
     56extern void s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *i2c);
     57extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c);
     58extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c);
     59extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c);
     60extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c);
     61extern void s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *i2c);
     62
     63/* defined by architecture to configure gpio */
     64extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
     65extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
     66extern void s3c_i2c2_cfg_gpio(struct platform_device *dev);
     67extern void s3c_i2c3_cfg_gpio(struct platform_device *dev);
     68extern void s3c_i2c4_cfg_gpio(struct platform_device *dev);
     69extern void s3c_i2c5_cfg_gpio(struct platform_device *dev);
     70extern void s3c_i2c6_cfg_gpio(struct platform_device *dev);
     71extern void s3c_i2c7_cfg_gpio(struct platform_device *dev);
     72
     73extern struct s3c2410_platform_i2c default_i2c_data;
     74
     75#endif /* __I2C_S3C2410_H */