kernel/2.6/include/socketcan/can/platform/mcp251x.h

   1 #ifndef __CAN_PLATFORM_MCP251X_H__
   2 #define __CAN_PLATFORM_MCP251X_H__
   3
   4 /*
   5  *
   6  * CAN bus driver for Microchip 251x CAN Controller with SPI Interface
   7  *
   8  */
   9
  10 /**
  11  * struct mcp251x_platform_data - MCP251X SPI CAN controller platform data
  12  * @oscillator_frequency:       - oscillator frequency in Hz
  13  * @model:                      - actual type of chip
  14  * @board_specific_setup:       - called before probing the chip (power,reset)
  15  * @transceiver_enable:         - called to power on/off the transceiver
  16  * @power_enable:               - called to power on/off the mcp *and* the
  17  *                                transceiver
  18  *
  19  * Please note that you should define power_enable or transceiver_enable or
  20  * none of them. Defining both of them is no use.
  21  *
  22  */
  23
  24 struct mcp251x_platform_data {
  25         unsigned long oscillator_frequency;
  26         int model;
  27 #define CAN_MCP251X_MCP2510 0
  28 #define CAN_MCP251X_MCP2515 1
  29         int (*board_specific_setup)(struct spi_device *spi);
  30         int (*transceiver_enable)(int enable);
  31         int (*power_enable) (int enable);
  32 };
  33
  34 #endif /* __CAN_PLATFORM_MCP251X_H__ */