firmware/src/pcd.h

   1 #ifndef _OPENPCD_H
   2 #define _OPENPCD_H
   3 /* pcd.h - OpenPCD USB protocol definitions
   4  * (C) 2006 Harald Welte <laforge@gnumonks.org>
   5  */
   6
   7 #include <sys/types.h>
   8
   9 struct opcd_cmd_hdr {
  10         u_int8_t cmd;
  11         u_int8_t arg1;
  12         u_int16_t arg2;
  13 } __attribute__ ((packed));
  14
  15 enum opcd_cmd {
  16         OPCD_CMD_REG_READ       = 0x01, /* Transparent Read of RC632 REG */
  17         OPCD_CMD_REG_WRITE      = 0x02, /* Transparent Write to RC632 REG */
  18
  19         OPCD_CMD_FIFO_READ      = 0x03, /* Transparent Read fron RC632 FIFO */
  20         OPCD_CMD_FIFO_WRITE     = 0x04, /* Transparent Write to RC632 FIFO */
  21
  22         OPCD_CMD_VFIFO_READ     = 0x05, /* Read bytes from virtual FIFO */
  23         OPCD_CMD_VFIFO_WRITE    = 0x06, /* Write bytes to virtual FIFO */
  24         OPCD_CMD_VFIFO_MODE     = 0x07, /* Set Virtual FIFO mode */
  25
  26         OPCD_CMD_REG_SETBIT     = 0x08, /* Set a bit in RC632 Register */
  27         OPCD_CMD_REG_CLRBIT     = 0x09, /* Clear a bit in RC632 Register */
  28 };
  29
  30 struct opcd_status_hdr {
  31         u_int8_t cause,         /* interrupt cause register RC632 */
  32         u_int8_t prim_status,   /* primary status register RC632 */
  33 } __attribute__ ((packed));
  34
  35 #endif /* _OPENPCD_H */