linux/drivers/ata/pata_parport/dstr.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * (c) 1997-1998  Grant R. Guenther <[email protected]>
 *
 * dstr.c is a low-level protocol driver for the DataStor EP2000 parallel
 * to IDE adapter chip.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/wait.h>
#include <asm/io.h>
#include "pata_parport.h"

/*
 * mode codes:  0  nybble reads, 8-bit writes
 *		1  8-bit reads and writes
 *		2  8-bit EPP mode
 *		3  EPP-16
 *		4  EPP-32
 */

#define j44(a, b) …

#define P1 …
#define P2 …
#define P3 …

/*
 * cont = 0 - access the IDE register file
 * cont = 1 - access the IDE command set
 */
static int  cont_map[2] = …;

static int dstr_read_regr(struct pi_adapter *pi, int cont, int regr)
{ … }

static void dstr_write_regr(struct pi_adapter *pi, int cont, int regr, int val)
{ … }

#define CCP(x) …

static void dstr_connect(struct pi_adapter *pi)
{ … }

static void dstr_disconnect(struct pi_adapter *pi)
{ … }

static void dstr_read_block(struct pi_adapter *pi, char *buf, int count)
{ … }

static void dstr_write_block(struct pi_adapter *pi, char *buf, int count)
{ … }

static void dstr_log_adapter(struct pi_adapter *pi)

{ … }

static struct pi_protocol dstr = …;

MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
module_pata_parport_driver(…);