include/linux/i2c-pnx.h

   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         u8 *                    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__ */