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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max7301.h (947B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef LINUX_SPI_MAX7301_H
      3#define LINUX_SPI_MAX7301_H
      4
      5#include <linux/gpio/driver.h>
      6
      7/*
      8 * Some registers must be read back to modify.
      9 * To save time we cache them here in memory
     10 */
     11struct max7301 {
     12	struct mutex	lock;
     13	u8		port_config[8];	/* field 0 is unused */
     14	u32		out_level;	/* cached output levels */
     15	u32		input_pullup_active;
     16	struct gpio_chip chip;
     17	struct device *dev;
     18	int (*write)(struct device *dev, unsigned int reg, unsigned int val);
     19	int (*read)(struct device *dev, unsigned int reg);
     20};
     21
     22struct max7301_platform_data {
     23	/* number assigned to the first GPIO */
     24	unsigned	base;
     25	/*
     26	 * bitmask controlling the pullup configuration,
     27	 *
     28	 * _note_ the 4 lowest bits are unused, because the first 4
     29	 * ports of the controller are not used, too.
     30	 */
     31	u32		input_pullup_active;
     32};
     33
     34extern void __max730x_remove(struct device *dev);
     35extern int __max730x_probe(struct max7301 *ts);
     36#endif