LXR linux/arch/m68k/include/asm/quicc

   1/***********************************
   2 * $Id: quicc_simple.h,v 1.1 2002/03/02 15:01:10 gerg Exp $
   3 ***********************************
   4 *
   5 ***************************************
   6 * Simple drivers common header
   7 ***************************************
   8 */
   9
  10#ifndef __SIMPLE_H
  11#define __SIMPLE_H
  12
  13/* #include "quicc.h" */
  14
  15#define GLB_SCC_0   0
  16#define GLB_SCC_1   1
  17#define GLB_SCC_2   2
  18#define GLB_SCC_3   3
  19
  20typedef void (int_routine)(unsigned short interrupt_event);
  21typedef int_routine *int_routine_ptr; 
  22typedef void *(alloc_routine)(int length);
  23typedef void (free_routine)(int scc_num, int channel_num, void *buf);
  24typedef void (store_rx_buffer_routine)(int scc_num, int channel_num, void *buff, int length);
  25typedef int  (handle_tx_error_routine)(int scc_num, int channel_num, QUICC_BD *tbd);
  26typedef void (handle_rx_error_routine)(int scc_num, int channel_num, QUICC_BD *rbd);
  27typedef void (handle_lost_error_routine)(int scc_num, int channel_num);
  28
  29/* user defined functions for global errors */
  30typedef void (handle_glob_overrun_routine)(int scc_number);
  31typedef void (handle_glob_underrun_routine)(int scc_number);
  32typedef void (glob_intr_q_overflow_routine)(int scc_number);
  33
  34/*
  35 * General initialization and command routines
  36 */
  37void quicc_issue_cmd (unsigned short cmd, int scc_num);
  38void quicc_init(void);
  39void quicc_scc_init(int scc_number, int number_of_rx_buf, int number_of_tx_buf);
  40void quicc_smc_init(int smc_number, int number_of_rx_buf, int number_of_tx_buf);
  41void quicc_scc_start(int scc_num);
  42void quicc_scc_loopback(int scc_num);
  43
  44/* Interrupt enable/disable routines for critical pieces of code*/
  45unsigned short  IntrDis(void);
  46void            IntrEna(unsigned short old_sr);
  47
  48/* For debugging */
  49void print_rbd(int scc_num);
  50void print_tbd(int scc_num);
  51
  52#endif
  53