1 /* 2 * Header file for I2C support on PNX010x/4008. 3 * 4 * Author: Dennis Kovalev <dkovalev@ru.mvista.com> 5 * 6 * 2004-2006 (c) MontaVista Software, Inc. This file is licensed under 7 * the terms of the GNU General Public License version 2. This program 8 * is licensed "as is" without any warranty of any kind, whether express 9 * or implied. 10 */ 11 12 #ifndef __I2C_PNX_H__ 13 #define __I2C_PNX_H__ 14 15 #include <linux/pm.h> 16 17 struct platform_device; 18 19 struct i2c_pnx_mif { 20 int ret; /* Return value */ 21 int mode; /* Interface mode */ 22 struct completion complete; /* I/O completion */ 23 struct timer_list timer; /* Timeout */ 24 char * buf; /* Data buffer */ 25 int len; /* Length of data buffer */ 26 }; 27 28 struct i2c_pnx_algo_data { 29 u32 base; 30 u32 ioaddr; 31 int irq; 32 struct i2c_pnx_mif mif; 33 int last; 34 }; 35 36 struct i2c_pnx_data { 37 int (*suspend) (struct platform_device *pdev, pm_message_t state); 38 int (*resume) (struct platform_device *pdev); 39 u32 (*calculate_input_freq) (struct platform_device *pdev); 40 int (*set_clock_run) (struct platform_device *pdev); 41 int (*set_clock_stop) (struct platform_device *pdev); 42 struct i2c_adapter *adapter; 43 }; 44 45 #endif /* __I2C_PNX_H__ */ 46