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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/***********************************
   3 * $Id: quicc_simple.h,v 1.1 2002/03/02 15:01:10 gerg Exp $
   4 ***********************************
   5 *
   6 ***************************************
   7 * Simple drivers common header
   8 ***************************************
   9 */
  10
  11#ifndef __SIMPLE_H
  12#define __SIMPLE_H
  13
  14/* #include "quicc.h" */
  15
  16#define GLB_SCC_0   0
  17#define GLB_SCC_1   1
  18#define GLB_SCC_2   2
  19#define GLB_SCC_3   3
  20
  21typedef void (int_routine)(unsigned short interrupt_event);
  22typedef int_routine *int_routine_ptr; 
  23typedef void *(alloc_routine)(int length);
  24typedef void (free_routine)(int scc_num, int channel_num, void *buf);
  25typedef void (store_rx_buffer_routine)(int scc_num, int channel_num, void *buff, int length);
  26typedef int  (handle_tx_error_routine)(int scc_num, int channel_num, QUICC_BD *tbd);
  27typedef void (handle_rx_error_routine)(int scc_num, int channel_num, QUICC_BD *rbd);
  28typedef void (handle_lost_error_routine)(int scc_num, int channel_num);
  29
  30/* user defined functions for global errors */
  31typedef void (handle_glob_overrun_routine)(int scc_number);
  32typedef void (handle_glob_underrun_routine)(int scc_number);
  33typedef void (glob_intr_q_overflow_routine)(int scc_number);
  34
  35/*
  36 * General initialization and command routines
  37 */
  38void quicc_issue_cmd (unsigned short cmd, int scc_num);
  39void quicc_init(void);
  40void quicc_scc_init(int scc_number, int number_of_rx_buf, int number_of_tx_buf);
  41void quicc_smc_init(int smc_number, int number_of_rx_buf, int number_of_tx_buf);
  42void quicc_scc_start(int scc_num);
  43void quicc_scc_loopback(int scc_num);
  44
  45/* Interrupt enable/disable routines for critical pieces of code*/
  46unsigned short  IntrDis(void);
  47void            IntrEna(unsigned short old_sr);
  48
  49/* For debugging */
  50void print_rbd(int scc_num);
  51void print_tbd(int scc_num);
  52
  53#endif
  54