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[mirror_ubuntu-bionic-kernel.git] / include / asm-m68knommu / quicc_simple.h

/***********************************
 * $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