patch-2.3.7 linux/drivers/acorn/block/ide-ics.c

• Lines: 296
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.6/linux/drivers/acorn/block/ide-ics.c
• Orig date: Tue Jun 1 23:25:48 1999

diff -u --recursive --new-file v2.3.6/linux/drivers/acorn/block/ide-ics.c linux/drivers/acorn/block/ide-ics.c
@@ -1,295 +0,0 @@
-/*
- * linux/arch/arm/drivers/block/ide-ics.c
- *
- * Copyright (c) 1996,1997 Russell King.
- *
- * Changelog:
- *  08-06-1996	RMK	Created
- *  12-09-1997	RMK	Added interrupt enable/disable
- */
-
-#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/malloc.h>
-#include <linux/blkdev.h>
-#include <linux/errno.h>
-#include <linux/hdreg.h>
-
-#include <asm/ecard.h>
-#include <asm/io.h>
-
-#include "../../block/ide.h"
-
-/*
- * Maximum number of interfaces per card
- */
-#define MAX_IFS	2
-
-#define ICS_IDENT_OFFSET		0x8a0
-
-#define ICS_ARCIN_V5_INTRSTAT		0x000
-#define ICS_ARCIN_V5_INTROFFSET		0x001
-#define ICS_ARCIN_V5_IDEOFFSET		0xa00
-#define ICS_ARCIN_V5_IDEALTOFFSET	0xae0
-#define ICS_ARCIN_V5_IDESTEPPING	4
-
-#define ICS_ARCIN_V6_IDEOFFSET_1	0x800
-#define ICS_ARCIN_V6_INTROFFSET_1	0x880
-#define ICS_ARCIN_V6_INTRSTAT_1		0x8a4
-#define ICS_ARCIN_V6_IDEALTOFFSET_1	0x8e0
-#define ICS_ARCIN_V6_IDEOFFSET_2	0xc00
-#define ICS_ARCIN_V6_INTROFFSET_2	0xc80
-#define ICS_ARCIN_V6_INTRSTAT_2		0xca4
-#define ICS_ARCIN_V6_IDEALTOFFSET_2	0xce0
-#define ICS_ARCIN_V6_IDESTEPPING	4
-
-static const card_ids icside_cids[] = {
-	{ MANU_ICS, PROD_ICS_IDE },
-	{ 0xffff, 0xffff }
-};
-
-typedef enum {
-	ics_if_unknown,
-	ics_if_arcin_v5,
-	ics_if_arcin_v6
-} iftype_t;
-
-static struct expansion_card *ec[MAX_ECARDS];
-static int result[MAX_ECARDS][MAX_IFS];
-
-
-/* ---------------- Version 5 PCB Support Functions --------------------- */
-/* Prototype: icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr)
- * Purpose  : enable interrupts from card
- */
-static void icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr)
-{
-	unsigned int memc_port = (unsigned int)ec->irq_data;
-	outb (0, memc_port + ICS_ARCIN_V5_INTROFFSET);
-}
-
-/* Prototype: icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr)
- * Purpose  : disable interrupts from card
- */
-static void icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr)
-{
-	unsigned int memc_port = (unsigned int)ec->irq_data;
-	inb (memc_port + ICS_ARCIN_V5_INTROFFSET);
-}
-
-static const expansioncard_ops_t icside_ops_arcin_v5 = {
-	icside_irqenable_arcin_v5,
-	icside_irqdisable_arcin_v5,
-	NULL,
-	NULL
-};
-
-
-/* ---------------- Version 6 PCB Support Functions --------------------- */
-/* Prototype: icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr)
- * Purpose  : enable interrupts from card
- */
-static void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr)
-{
-	unsigned int ide_base_port = (unsigned int)ec->irq_data;
-	outb (0, ide_base_port + ICS_ARCIN_V6_INTROFFSET_1);
-	outb (0, ide_base_port + ICS_ARCIN_V6_INTROFFSET_2);
-}
-
-/* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
- * Purpose  : disable interrupts from card
- */
-static void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
-{
-	unsigned int ide_base_port = (unsigned int)ec->irq_data;
-	inb (ide_base_port + ICS_ARCIN_V6_INTROFFSET_1);
-	inb (ide_base_port + ICS_ARCIN_V6_INTROFFSET_2);
-}
-
-static const expansioncard_ops_t icside_ops_arcin_v6 = {
-	icside_irqenable_arcin_v6,
-	icside_irqdisable_arcin_v6,
-	NULL,
-	NULL
-};
-
-
-
-/* Prototype: icside_identifyif (struct expansion_card *ec)
- * Purpose  : identify IDE interface type
- * Notes    : checks the description string
- */
-static iftype_t icside_identifyif (struct expansion_card *ec)
-{
-	unsigned int addr;
-	iftype_t iftype;
-	int id = 0;
-
-	iftype = ics_if_unknown;
-
-	addr = ecard_address (ec, ECARD_IOC, ECARD_FAST) + ICS_IDENT_OFFSET;
-
-	id = inb (addr) & 1;
-	id |= (inb (addr + 1) & 1) << 1;
-	id |= (inb (addr + 2) & 1) << 2;
-	id |= (inb (addr + 3) & 1) << 3;
-
-	switch (id) {
-	case 0: /* A3IN */
-		printk ("icside: A3IN unsupported\n");
-		break;
-
-	case 1: /* A3USER */
-		printk ("icside: A3USER unsupported\n");
-		break;
-
-	case 3:	/* ARCIN V6 */
-		printk ("icside: detected ARCIN V6 in slot %d\n", ec->slot_no);
-		iftype = ics_if_arcin_v6;
-		break;
-
-	case 15:/* ARCIN V5 (no id) */
-		printk ("icside: detected ARCIN V5 in slot %d\n", ec->slot_no);
-		iftype = ics_if_arcin_v5;
-		break;
-
-	default:/* we don't know - complain very loudly */
-		printk ("icside: ***********************************\n");
-		printk ("icside: *** UNKNOWN ICS INTERFACE id=%d ***\n", id);
-		printk ("icside: ***********************************\n");
-		printk ("icside: please report this to: linux@arm.uk.linux.org\n");
-		printk ("icside: defaulting to ARCIN V5\n");
-		iftype = ics_if_arcin_v5;
-		break;
-	}
-
-	return iftype;
-}
-
-static int icside_register_port(unsigned long dataport, unsigned long ctrlport, int stepping, int irq)
-{
-	hw_regs_t hw;
-	int i;
-
-	memset(&hw, 0, sizeof(hw));
-
-	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
-		hw.io_ports[i] = (ide_ioreg_t)dataport;
-		dataport += 1 << stepping;
-	}
-	hw.io_ports[IDE_CONTROL_OFFSET] = ctrlport;
-	hw.irq = irq;
-
-	return ide_register_hw(&hw, NULL);
-}
-
-/* Prototype: icside_register (struct expansion_card *ec)
- * Purpose  : register an ICS IDE card with the IDE driver
- * Notes    : we make sure that interrupts are disabled from the card
- */
-static inline void icside_register (struct expansion_card *ec, int index)
-{
-	unsigned long port;
-
-	result[index][0] = -1;
-	result[index][1] = -1;
-
-	switch (icside_identifyif (ec)) {
-	case ics_if_unknown:
-	default:
-		printk ("** Warning: ICS IDE Interface unrecognised! **\n");
-		break;
-
-	case ics_if_arcin_v5:
-		port = ecard_address (ec, ECARD_MEMC, 0);
-		ec->irqaddr = ioaddr(port + ICS_ARCIN_V5_INTRSTAT);
-		ec->irqmask = 1;
-		ec->irq_data = (void *)port;
-		ec->ops = (expansioncard_ops_t *)&icside_ops_arcin_v5;
-
-		/*
-		 * Be on the safe side - disable interrupts
-		 */
-		inb (port + ICS_ARCIN_V5_INTROFFSET);
-		result[index][0] = icside_register_port(port + ICS_ARCIN_V5_IDEOFFSET,
-							port + ICS_ARCIN_V5_IDEALTOFFSET,
-							ICS_ARCIN_V5_IDESTEPPING,
-							ec->irq);
-		result[index][1] = -1;
-		break;
-
-	case ics_if_arcin_v6:
-		port = ecard_address (ec, ECARD_IOC, ECARD_FAST);
-		ec->irqaddr = ioaddr(port + ICS_ARCIN_V6_INTRSTAT_1);
-		ec->irqmask = 1;
-		ec->irq_data = (void *)port;
-		ec->ops = (expansioncard_ops_t *)&icside_ops_arcin_v6;
-
-		/*
-		 * Be on the safe side - disable interrupts
-		 */
-		inb (port + ICS_ARCIN_V6_INTROFFSET_1);
-		inb (port + ICS_ARCIN_V6_INTROFFSET_2);
-
-		result[index][0] = icside_register_port(port + ICS_ARCIN_V6_IDEOFFSET_1,
-							port + ICS_ARCIN_V6_IDEALTOFFSET_1,
-							ICS_ARCIN_V6_IDESTEPPING,
-							ec->irq);
-		result[index][1] = icside_register_port(port + ICS_ARCIN_V6_IDEOFFSET_2,
-							port + ICS_ARCIN_V6_IDEALTOFFSET_2,
-							ICS_ARCIN_V6_IDESTEPPING,
-							ec->irq);
-		break;
-	}		
-}
-
-int icside_init (void)
-{
-	int i;
-
-	for (i = 0; i < MAX_ECARDS; i++)
-		ec[i] = NULL;
-
-	ecard_startfind ();
-
-	for (i = 0; ; i++) {
-		if ((ec[i] = ecard_find (0, icside_cids)) == NULL)
-			break;
-
-		ecard_claim (ec[i]);
-		icside_register (ec[i], i);
-	}
-
-	for (i = 0; i < MAX_ECARDS; i++)
-		if (ec[i] && result[i][0] < 0 && result[i][1] < 0) {
-			ecard_release (ec[i]);
-			ec[i] = NULL;
-		}
-	return 0;
-}
-
-#ifdef MODULE
-int init_module (void)
-{
-	return icside_init();
-}
-
-void cleanup_module (void)
-{
-	int i;
-
-	for (i = 0; i < MAX_ECARDS; i++)
-		if (ec[i]) {
-			if (result[i][0] >= 0)
-				ide_unregister (result[i][0]);
-
-			if (result[i][1] >= 0)
-				ide_unregister (result[i][1]);
-				
-			ecard_release (ec[i]);
-			ec[i] = NULL;
-		}
-}
-#endif
-