path: root/drivers/isdn/hisax/diva.c

/* $Id: diva.c,v 1.33.2.6 2004/02/11 13:21:33 keil Exp $
 *
 * low level stuff for Eicon.Diehl Diva Family ISDN cards
 *
 * Author       Karsten Keil
 * Copyright    by Karsten Keil      <keil@isdn4linux.de>
 * 
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 * For changes and modifications please read
 * Documentation/isdn/HiSax.cert
 *
 * Thanks to Eicon Technology for documents and information
 *
 */

#include <linux/init.h>
#include "hisax.h"
#include "isac.h"
#include "hscx.h"
#include "ipac.h"
#include "ipacx.h"
#include "isdnl1.h"
#include <linux/pci.h>
#include <linux/isapnp.h>

static const char *Diva_revision = "$Revision: 1.33.2.6 $";

#define byteout(addr,val) outb(val,addr)
#define bytein(addr) inb(addr)

#define DIVA_HSCX_DATA		0
#define DIVA_HSCX_ADR		4
#define DIVA_ISA_ISAC_DATA	2
#define DIVA_ISA_ISAC_ADR	6
#define DIVA_ISA_CTRL		7
#define DIVA_IPAC_ADR		0
#define DIVA_IPAC_DATA		1

#define DIVA_PCI_ISAC_DATA	8
#define DIVA_PCI_ISAC_ADR	0xc
#define DIVA_PCI_CTRL		0x10

/* SUB Types */
#define DIVA_ISA	1
#define DIVA_PCI	2
#define DIVA_IPAC_ISA	3
#define DIVA_IPAC_PCI	4
#define DIVA_IPACX_PCI	5

/* CTRL (Read) */
#define DIVA_IRQ_STAT	0x01
#define DIVA_EEPROM_SDA	0x02

/* CTRL (Write) */
#define DIVA_IRQ_REQ	0x01
#define DIVA_RESET	0x08
#define DIVA_EEPROM_CLK	0x40
#define DIVA_PCI_LED_A	0x10
#define DIVA_PCI_LED_B	0x20
#define DIVA_ISA_LED_A	0x20
#define DIVA_ISA_LED_B	0x40
#define DIVA_IRQ_CLR	0x80

/* Siemens PITA */
#define PITA_MISC_REG		0x1c
#ifdef __BIG_ENDIAN
#define PITA_PARA_SOFTRESET	0x00000001
#define PITA_SER_SOFTRESET	0x00000002
#define PITA_PARA_MPX_MODE	0x00000004
#define PITA_INT0_ENABLE	0x00000200
#else
#define PITA_PARA_SOFTRESET	0x01000000
#define PITA_SER_SOFTRESET	0x02000000
#define PITA_PARA_MPX_MODE	0x04000000
#define PITA_INT0_ENABLE	0x00020000
#endif
#define PITA_INT0_STATUS	0x02

static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
	register u_char ret;

	byteout(ale, off);
	ret = bytein(adr);
	return (ret);
}

static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
	byteout(ale, off);
	insb(adr, data, size);
}


static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
	byteout(ale, off);
	byteout(adr, data);
}

static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	byteout(ale, off);
	outsb(adr, data, size);
}

static inline u_char
memreadreg(unsigned long adr, u_char off)
{
	return(*((unsigned char *)
		(((unsigned int *)adr) + off)));
}

static inline void
memwritereg(unsigned long adr, u_char off, u_char data)
{
	register u_char *p;
	
	p = (unsigned char *)(((unsigned int *)