patch-2.4.21 linux-2.4.21/drivers/ide/icside.c
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- Lines: 767
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.20/drivers/ide/icside.c
- Orig date:
2001-10-25 13:53:47.000000000 -0700
diff -urN linux-2.4.20/drivers/ide/icside.c linux-2.4.21/drivers/ide/icside.c
@@ -1,766 +0,0 @@
-/*
- * linux/drivers/ide/icside.c
- *
- * Copyright (c) 1996,1997 Russell King.
- *
- * Changelog:
- * 08-Jun-1996 RMK Created
- * 12-Sep-1997 RMK Added interrupt enable/disable
- * 17-Apr-1999 RMK Added support for V6 EASI
- * 22-May-1999 RMK Added support for V6 DMA
- */
-
-#include <linux/config.h>
-#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
-#include <linux/errno.h>
-#include <linux/hdreg.h>
-#include <linux/ide.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-
-#include <asm/dma.h>
-#include <asm/ecard.h>
-#include <asm/io.h>
-
-extern char *ide_xfer_verbose (byte xfer_rate);
-
-/*
- * 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
-
-struct cardinfo {
- unsigned int dataoffset;
- unsigned int ctrloffset;
- unsigned int stepping;
-};
-
-static struct cardinfo icside_cardinfo_v5 = {
- ICS_ARCIN_V5_IDEOFFSET,
- ICS_ARCIN_V5_IDEALTOFFSET,
- ICS_ARCIN_V5_IDESTEPPING
-};
-
-static struct cardinfo icside_cardinfo_v6_1 = {
- ICS_ARCIN_V6_IDEOFFSET_1,
- ICS_ARCIN_V6_IDEALTOFFSET_1,
- ICS_ARCIN_V6_IDESTEPPING
-};
-
-static struct cardinfo icside_cardinfo_v6_2 = {
- ICS_ARCIN_V6_IDEOFFSET_2,
- ICS_ARCIN_V6_IDEALTOFFSET_2,
- ICS_ARCIN_V6_IDESTEPPING
-};
-
-static const card_ids icside_cids[] = {
- { MANU_ICS, PROD_ICS_IDE },
- { MANU_ICS2, PROD_ICS2_IDE },
- { 0xffff, 0xffff }
-};
-
-typedef enum {
- ics_if_unknown,
- ics_if_arcin_v5,
- ics_if_arcin_v6
-} iftype_t;
-
-/* ---------------- 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,
- 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);
-}
-
-/* Prototype: icside_irqprobe(struct expansion_card *ec)
- * Purpose : detect an active interrupt from card
- */
-static int icside_irqpending_arcin_v6(struct expansion_card *ec)
-{
- unsigned int ide_base_port = (unsigned int)ec->irq_data;
-
- return inb(ide_base_port + ICS_ARCIN_V6_INTRSTAT_1) & 1 ||
- inb(ide_base_port + ICS_ARCIN_V6_INTRSTAT_2) & 1;
-}
-
-static const expansioncard_ops_t icside_ops_arcin_v6 = {
- icside_irqenable_arcin_v6,
- icside_irqdisable_arcin_v6,
- icside_irqpending_arcin_v6,
- NULL,
- NULL,
- NULL
-};
-
-/* Prototype: icside_identifyif (struct expansion_card *ec)
- * Purpose : identify IDE interface type
- * Notes : checks the description string
- */
-static iftype_t __init 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(KERN_DEBUG "icside: detected ARCIN V6 in slot %d\n", ec->slot_no);
- iftype = ics_if_arcin_v6;
- break;
-
- case 15:/* ARCIN V5 (no id) */
- printk(KERN_DEBUG "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.linux.org.uk\n");
- printk("icside: defaulting to ARCIN V5\n");
- iftype = ics_if_arcin_v5;
- break;
- }
-
- return iftype;
-}
-
-#ifdef CONFIG_BLK_DEV_IDEDMA_ICS
-/*
- * SG-DMA support.
- *
- * Similar to the BM-DMA, but we use the RiscPCs IOMD DMA controllers.
- * There is only one DMA controller per card, which means that only
- * one drive can be accessed at one time. NOTE! We do not enforce that
- * here, but we rely on the main IDE driver spotting that both
- * interfaces use the same IRQ, which should guarantee this.
- */
-#define NR_ENTRIES 256
-#define TABLE_SIZE (NR_ENTRIES * 8)
-
-static int ide_build_sglist(ide_hwif_t *hwif, struct request *rq)
-{
- struct buffer_head *bh;
- struct scatterlist *sg = hwif->sg_table;
- int nents = 0;
-
- if (rq->cmd == READ)
- hwif->sg_dma_direction = PCI_DMA_FROMDEVICE;
- else
- hwif->sg_dma_direction = PCI_DMA_TODEVICE;
- bh = rq->bh;
- do {
- unsigned char *virt_addr = bh->b_data;
- unsigned int size = bh->b_size;
-
- while ((bh = bh->b_reqnext) != NULL) {
- if ((virt_addr + size) != (unsigned char *)bh->b_data)
- break;
- size += bh->b_size;
- }
- memset(&sg[nents], 0, sizeof(*sg));
- sg[nents].address = virt_addr;
- sg[nents].length = size;
- nents++;
- } while (bh != NULL);
-
- return pci_map_sg(NULL, sg, nents, hwif->sg_dma_direction);
-}
-
-static int
-icside_build_dmatable(ide_drive_t *drive, int reading)
-{
- return HWIF(drive)->sg_nents = ide_build_sglist(HWIF(drive), HWGROUP(drive)->rq);
-}
-
-/* Teardown mappings after DMA has completed. */
-static void icside_destroy_dmatable(ide_drive_t *drive)
-{
- struct scatterlist *sg = HWIF(drive)->sg_table;
- int nents = HWIF(drive)->sg_nents;
-
- pci_unmap_sg(NULL, sg, nents, HWIF(drive)->sg_dma_direction);
-}
-
-static int
-icside_config_if(ide_drive_t *drive, int xfer_mode)
-{
- int func = ide_dma_off;
-
- switch (xfer_mode) {
- case XFER_MW_DMA_2:
- /*
- * The cycle time is limited to 250ns by the r/w
- * pulse width (90ns), however we should still
- * have a maximum burst transfer rate of 8MB/s.
- */
- drive->drive_data = 250;
- break;
-
- case XFER_MW_DMA_1:
- drive->drive_data = 250;
- break;
-
- case XFER_MW_DMA_0:
- drive->drive_data = 480;
- break;
-
- default:
- drive->drive_data = 0;
- break;
- }
-
- if (!drive->init_speed)
- drive->init_speed = (byte) xfer_mode;
-
- if (drive->drive_data &&
- ide_config_drive_speed(drive, (byte) xfer_mode) == 0)
- func = ide_dma_on;
- else
- drive->drive_data = 480;
-
- printk("%s: %s selected (peak %dMB/s)\n", drive->name,
- ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data);
-
- drive->current_speed = (byte) xfer_mode;
-
- return func;
-}
-
-static int
-icside_set_speed(ide_drive_t *drive, byte speed)
-{
- return icside_config_if(drive, speed);
-}
-
-/*
- * dma_intr() is the handler for disk read/write DMA interrupts
- */
-static ide_startstop_t icside_dmaintr(ide_drive_t *drive)
-{
- int i;
- byte stat, dma_stat;
-
- dma_stat = HWIF(drive)->dmaproc(ide_dma_end, drive);
- stat = GET_STAT(); /* get drive status */
- if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) {
- if (!dma_stat) {
- struct request *rq = HWGROUP(drive)->rq;
- rq = HWGROUP(drive)->rq;
- for (i = rq->nr_sectors; i > 0;) {
- i -= rq->current_nr_sectors;
- ide_end_request(1, HWGROUP(drive));
- }
- return ide_stopped;
- }
- printk("%s: dma_intr: bad DMA status (dma_stat=%x)\n",
- drive->name, dma_stat);
- }
- return ide_error(drive, "dma_intr", stat);
-}
-
-/*
- * The following is a sick duplication from ide-dma.c ;(
- *
- * This should be defined in one place only.
- */
-struct drive_list_entry {
- char * id_model;
- char * id_firmware;
-};
-
-static struct drive_list_entry drive_whitelist [] = {
- { "Micropolis 2112A", "ALL" },
- { "CONNER CTMA 4000", "ALL" },
- { "CONNER CTT8000-A", "ALL" },
- { "ST34342A", "ALL" },
- { NULL, 0 }
-};
-
-static struct drive_list_entry drive_blacklist [] = {
- { "WDC AC11000H", "ALL" },
- { "WDC AC22100H", "ALL" },
- { "WDC AC32500H", "ALL" },
- { "WDC AC33100H", "ALL" },
- { "WDC AC31600H", "ALL" },
- { "WDC AC32100H", "24.09P07" },
- { "WDC AC23200L", "21.10N21" },
- { "Compaq CRD-8241B", "ALL" },
- { "CRD-8400B", "ALL" },
- { "CRD-8480B", "ALL" },
- { "CRD-8480C", "ALL" },
- { "CRD-8482B", "ALL" },
- { "CRD-84", "ALL" },
- { "SanDisk SDP3B", "ALL" },
- { "SanDisk SDP3B-64", "ALL" },
- { "SANYO CD-ROM CRD", "ALL" },
- { "HITACHI CDR-8", "ALL" },
- { "HITACHI CDR-8335", "ALL" },
- { "HITACHI CDR-8435", "ALL" },
- { "Toshiba CD-ROM XM-6202B", "ALL" },
- { "CD-532E-A", "ALL" },
- { "E-IDE CD-ROM CR-840", "ALL" },
- { "CD-ROM Drive/F5A", "ALL" },
- { "RICOH CD-R/RW MP7083A", "ALL" },
- { "WPI CDD-820", "ALL" },
- { "SAMSUNG CD-ROM SC-148C", "ALL" },
- { "SAMSUNG CD-ROM SC-148F", "ALL" },
- { "SAMSUNG CD-ROM SC", "ALL" },
- { "SanDisk SDP3B-64", "ALL" },
- { "SAMSUNG CD-ROM SN-124", "ALL" },
- { "PLEXTOR CD-R PX-W8432T", "ALL" },
- { "ATAPI CD-ROM DRIVE 40X MAXIMUM", "ALL" },
- { "_NEC DV5800A", "ALL" },
- { NULL, 0 }
-};
-
-static int in_drive_list(struct hd_driveid *id, struct drive_list_entry * drive_table)
-{
- for ( ; drive_table->id_model ; drive_table++)
- if ((!strcmp(drive_table->id_model, id->model)) &&
- ((!strstr(drive_table->id_firmware, id->fw_rev)) ||
- (!strcmp(drive_table->id_firmware, "ALL"))))
- return 1;
- return 0;
-}
-
-/*
- * For both Blacklisted and Whitelisted drives.
- * This is setup to be called as an extern for future support
- * to other special driver code.
- */
-static int check_drive_lists(ide_drive_t *drive, int good_bad)
-{
- struct hd_driveid *id = drive->id;
-
- if (good_bad) {
- return in_drive_list(id, drive_whitelist);
- } else {
- int blacklist = in_drive_list(id, drive_blacklist);
- if (blacklist)
- printk("%s: Disabling DMA for %s\n", drive->name, id->model);
- return(blacklist);
- }
- return 0;
-}
-
-static int
-icside_dma_check(ide_drive_t *drive)
-{
- struct hd_driveid *id = drive->id;
- ide_hwif_t *hwif = HWIF(drive);
- int autodma = hwif->autodma;
- int xfer_mode = XFER_PIO_2;
- int func = ide_dma_off_quietly;
-
- if (!id || !(id->capability & 1) || !autodma)
- goto out;
-
- /*
- * Consult the list of known "bad" drives
- */
- if (check_drive_lists(drive, 0)) {
- func = ide_dma_off;
- goto out;
- }
-
- /*
- * Enable DMA on any drive that has multiword DMA
- */
- if (id->field_valid & 2) {
- if (id->dma_mword & 4) {
- xfer_mode = XFER_MW_DMA_2;
- func = ide_dma_on;
- } else if (id->dma_mword & 2) {
- xfer_mode = XFER_MW_DMA_1;
- func = ide_dma_on;
- } else if (id->dma_mword & 1) {
- xfer_mode = XFER_MW_DMA_0;
- func = ide_dma_on;
- }
- goto out;
- }
-
- /*
- * Consult the list of known "good" drives
- */
- if (check_drive_lists(drive, 1)) {
- if (id->eide_dma_time > 150)
- goto out;
- xfer_mode = XFER_MW_DMA_1;
- func = ide_dma_on;
- }
-
-out:
- func = icside_config_if(drive, xfer_mode);
-
- return hwif->dmaproc(func, drive);
-}
-
-static int
-icside_dma_verbose(ide_drive_t *drive)
-{
- printk(", DMA");
- return 1;
-}
-
-static int
-icside_dmaproc(ide_dma_action_t func, ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- int count, reading = 0;
-
- switch (func) {
- case ide_dma_off:
- printk("%s: DMA disabled\n", drive->name);
- /*FALLTHROUGH*/
-
- case ide_dma_off_quietly:
- case ide_dma_on:
- drive->using_dma = (func == ide_dma_on);
- return 0;
-
- case ide_dma_check:
- return icside_dma_check(drive);
-
- case ide_dma_read:
- reading = 1;
- case ide_dma_write:
- count = icside_build_dmatable(drive, reading);
- if (!count)
- return 1;
- disable_dma(hwif->hw.dma);
-
- /* Route the DMA signals to
- * to the correct interface.
- */
- outb(hwif->select_data, hwif->config_data);
-
- /* Select the correct timing
- * for this drive
- */
- set_dma_speed(hwif->hw.dma, drive->drive_data);
-
- set_dma_sg(hwif->hw.dma, HWIF(drive)->sg_table, count);
- set_dma_mode(hwif->hw.dma, reading ? DMA_MODE_READ
- : DMA_MODE_WRITE);
-
- drive->waiting_for_dma = 1;
- if (drive->media != ide_disk)
- return 0;
-
- ide_set_handler(drive, &icside_dmaintr, WAIT_CMD, NULL);
- OUT_BYTE(reading ? WIN_READDMA : WIN_WRITEDMA,
- IDE_COMMAND_REG);
-
- case ide_dma_begin:
- enable_dma(hwif->hw.dma);
- return 0;
-
- case ide_dma_end:
- drive->waiting_for_dma = 0;
- disable_dma(hwif->hw.dma);
- icside_destroy_dmatable(drive);
- return get_dma_residue(hwif->hw.dma) != 0;
-
- case ide_dma_test_irq:
- return inb((unsigned long)hwif->hw.priv) & 1;
-
- case ide_dma_bad_drive:
- case ide_dma_good_drive:
- return check_drive_lists(drive, (func == ide_dma_good_drive));
-
- case ide_dma_verbose:
- return icside_dma_verbose(drive);
-
- case ide_dma_timeout:
- default:
- printk("icside_dmaproc: unsupported %s func: %d\n",
- ide_dmafunc_verbose(func), func);
- }
- return 1;
-}
-
-static int
-icside_setup_dma(ide_hwif_t *hwif, int autodma)
-{
- printk(" %s: SG-DMA", hwif->name);
-
- hwif->sg_table = kmalloc(sizeof(struct scatterlist) * NR_ENTRIES,
- GFP_KERNEL);
- if (!hwif->sg_table)
- goto failed;
-
- hwif->dmatable_cpu = NULL;
- hwif->dmatable_dma = 0;
- hwif->speedproc = icside_set_speed;
- hwif->dmaproc = icside_dmaproc;
- hwif->autodma = autodma;
-
- printk(" capable%s\n", autodma ?
- ", auto-enable" : "");
-
- return 1;
-
-failed:
- printk(" -- ERROR, unable to allocate DMA table\n");
- return 0;
-}
-#endif
-
-static ide_hwif_t *
-icside_find_hwif(unsigned long dataport)
-{
- ide_hwif_t *hwif;
- int index;
-
- for (index = 0; index < MAX_HWIFS; ++index) {
- hwif = &ide_hwifs[index];
- if (hwif->io_ports[IDE_DATA_OFFSET] == (ide_ioreg_t)dataport)
- goto found;
- }
-
- for (index = 0; index < MAX_HWIFS; ++index) {
- hwif = &ide_hwifs[index];
- if (!hwif->io_ports[IDE_DATA_OFFSET])
- goto found;
- }
-
- return NULL;
-found:
- return hwif;
-}
-
-static ide_hwif_t *
-icside_setup(unsigned long base, struct cardinfo *info, int irq)
-{
- unsigned long port = base + info->dataoffset;
- ide_hwif_t *hwif;
-
- hwif = icside_find_hwif(base);
- if (hwif) {
- int i;
-
- memset(&hwif->hw, 0, sizeof(hw_regs_t));
-
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hwif->hw.io_ports[i] = (ide_ioreg_t)port;
- hwif->io_ports[i] = (ide_ioreg_t)port;
- port += 1 << info->stepping;
- }
- hwif->hw.io_ports[IDE_CONTROL_OFFSET] = base + info->ctrloffset;
- hwif->io_ports[IDE_CONTROL_OFFSET] = base + info->ctrloffset;
- hwif->hw.irq = irq;
- hwif->irq = irq;
- hwif->hw.dma = NO_DMA;
- hwif->noprobe = 0;
- hwif->chipset = ide_acorn;
- }
-
- return hwif;
-}
-
-static int __init icside_register_v5(struct expansion_card *ec, int autodma)
-{
- unsigned long slot_port;
- ide_hwif_t *hwif;
-
- slot_port = ecard_address(ec, ECARD_MEMC, 0);
-
- ec->irqaddr = (unsigned char *)ioaddr(slot_port + ICS_ARCIN_V5_INTRSTAT);
- ec->irqmask = 1;
- ec->irq_data = (void *)slot_port;
- ec->ops = (expansioncard_ops_t *)&icside_ops_arcin_v5;
-
- /*
- * Be on the safe side - disable interrupts
- */
- inb(slot_port + ICS_ARCIN_V5_INTROFFSET);
-
- hwif = icside_setup(slot_port, &icside_cardinfo_v5, ec->irq);
-
- return hwif ? 0 : -1;
-}
-
-static int __init icside_register_v6(struct expansion_card *ec, int autodma)
-{
- unsigned long slot_port, port;
- ide_hwif_t *hwif, *mate;
- int sel = 0;
-
- slot_port = ecard_address(ec, ECARD_IOC, ECARD_FAST);
- port = ecard_address(ec, ECARD_EASI, ECARD_FAST);
-
- if (port == 0)
- port = slot_port;
- else
- sel = 1 << 5;
-
- outb(sel, slot_port);
-
- 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);
-
- hwif = icside_setup(port, &icside_cardinfo_v6_1, ec->irq);
- mate = icside_setup(port, &icside_cardinfo_v6_2, ec->irq);
-
-#ifdef CONFIG_BLK_DEV_IDEDMA_ICS
- if (ec->dma != NO_DMA) {
- if (request_dma(ec->dma, hwif->name))
- goto no_dma;
-
- if (hwif) {
- hwif->config_data = slot_port;
- hwif->select_data = sel;
- hwif->hw.dma = ec->dma;
- hwif->hw.priv = (void *)
- (port + ICS_ARCIN_V6_INTRSTAT_1);
- hwif->channel = 0;
- icside_setup_dma(hwif, autodma);
- }
- if (mate) {
- mate->config_data = slot_port;
- mate->select_data = sel | 1;
- mate->hw.dma = ec->dma;
- mate->hw.priv = (void *)
- (port + ICS_ARCIN_V6_INTRSTAT_2);
- mate->channel = 1;
- icside_setup_dma(mate, autodma);
- }
- }
-no_dma:
-#endif
- return hwif || mate ? 0 : -1;
-}
-
-int __init icside_init(void)
-{
- int autodma = 0;
-
-#ifdef CONFIG_IDEDMA_ICS_AUTO
- autodma = 1;
-#endif
-
- ecard_startfind ();
-
- do {
- struct expansion_card *ec;
- int result;
-
- ec = ecard_find(0, icside_cids);
- if (ec == NULL)
- break;
-
- ecard_claim(ec);
-
- switch (icside_identifyif(ec)) {
- case ics_if_arcin_v5:
- result = icside_register_v5(ec, autodma);
- break;
-
- case ics_if_arcin_v6:
- result = icside_register_v6(ec, autodma);
- break;
-
- default:
- result = -1;
- break;
- }
-
- if (result)
- ecard_release(ec);
- } while (1);
-
- return 0;
-}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)