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kernel/linux-rt-4.4.41/arch/m68k/include/asm/quicc_simple.h 1.75 KB
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  /***********************************
   * $Id: quicc_simple.h,v 1.1 2002/03/02 15:01:10 gerg Exp $
   ***********************************
   *
   ***************************************
   * Simple drivers common header
   ***************************************
   */
  
  #ifndef __SIMPLE_H
  #define __SIMPLE_H
  
  /* #include "quicc.h" */
  
  #define GLB_SCC_0   0
  #define GLB_SCC_1   1
  #define GLB_SCC_2   2
  #define GLB_SCC_3   3
  
  typedef void (int_routine)(unsigned short interrupt_event);
  typedef int_routine *int_routine_ptr; 
  typedef void *(alloc_routine)(int length);
  typedef void (free_routine)(int scc_num, int channel_num, void *buf);
  typedef void (store_rx_buffer_routine)(int scc_num, int channel_num, void *buff, int length);
  typedef int  (handle_tx_error_routine)(int scc_num, int channel_num, QUICC_BD *tbd);
  typedef void (handle_rx_error_routine)(int scc_num, int channel_num, QUICC_BD *rbd);
  typedef void (handle_lost_error_routine)(int scc_num, int channel_num);
  
  /* user defined functions for global errors */
  typedef void (handle_glob_overrun_routine)(int scc_number);
  typedef void (handle_glob_underrun_routine)(int scc_number);
  typedef void (glob_intr_q_overflow_routine)(int scc_number);
  
  /*
   * General initialization and command routines
   */
  void quicc_issue_cmd (unsigned short cmd, int scc_num);
  void quicc_init(void);
  void quicc_scc_init(int scc_number, int number_of_rx_buf, int number_of_tx_buf);
  void quicc_smc_init(int smc_number, int number_of_rx_buf, int number_of_tx_buf);
  void quicc_scc_start(int scc_num);
  void quicc_scc_loopback(int scc_num);
  
  /* Interrupt enable/disable routines for critical pieces of code*/
  unsigned short  IntrDis(void);
  void            IntrEna(unsigned short old_sr);
  
  /* For debugging */
  void print_rbd(int scc_num);
  void print_tbd(int scc_num);
  
  #endif