static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
{
hw_regs_t hw;
ide_init_hwif_ports(&hw, io, ctl, NULL);
hw.irq = irq;
hw.chipset = ide_pci;
return ide_register_hw(&hw, NULL);
}
int idecs_register (int arg1, int arg2, int irq)
{
hw_regs_t hw;
ide_init_hwif_ports(&hw, (ide_ioreg_t) arg1, (ide_ioreg_t) arg2, NULL);
hw.irq = irq;
hw.chipset = ide_pci; /* this enables IRQ sharing w/ PCI irqs */
return ide_register_hw(&hw, NULL);
}
static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
{
hw_regs_t hw;
memset(&hw, 0, sizeof(hw));
ide_init_hwif_ports(&hw, io, ctl, NULL);
hw.irq = irq;
hw.chipset = ide_pci;
return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
}
static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle)
{
hw_regs_t hw;
memset(&hw, 0, sizeof(hw));
ide_init_hwif_ports(&hw, io, ctl, NULL);
hw.irq = irq;
hw.chipset = ide_pci;
hw.dev = &handle->dev;
return ide_register_hw_with_fixup(&hw, 0, NULL, ide_undecoded_slave);
}
static int __devinit
delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
{
unsigned long base;
hw_regs_t hw;
ide_hwif_t *hwif = NULL;
ide_drive_t *drive;
int i, rc;
rc = pci_enable_device(dev);
if (rc) {
printk(KERN_ERR "delkin_cb: pci_enable_device failed (%d)\n", rc);
return rc;
}
rc = pci_request_regions(dev, "delkin_cb");
if (rc) {
printk(KERN_ERR "delkin_cb: pci_request_regions failed (%d)\n", rc);
pci_disable_device(dev);
return rc;
}
base = pci_resource_start(dev, 0);
outb(0x02, base + 0x1e); /* set nIEN to block interrupts */
inb(base + 0x17); /* read status to clear interrupts */
for (i = 0; i < sizeof(setup); ++i) {
if (setup[i])
outb(setup[i], base + i);
}
pci_release_regions(dev); /* IDE layer handles regions itself */
memset(&hw, 0, sizeof(hw));
ide_init_hwif_ports(&hw, (ide_ioreg_t)(base + 0x10),
(ide_ioreg_t)(base + 0x1e), NULL);
hw.irq = dev->irq;
hw.chipset = ide_pci; /* this enables IRQ sharing */
rc = ide_register_hw(&hw, &hwif);
if (rc < 0) /* ide_register_hw likes to be invoked twice (buggy) */
rc = ide_register_hw(&hw, &hwif);
if (rc < 0) {
printk(KERN_ERR "delkin_cb: ide_register_hw failed (%d)\n", rc);
pci_disable_device(dev);
return -ENODEV;
}
MOD_INC_USE_COUNT;
pci_set_drvdata(dev, hwif);
hwif->pci_dev = dev;
drive = &hwif->drives[0];
if (drive->present) {
drive->id->csfo = 0; /* workaround for idedisk_open bug */
drive->io_32bit = 1;
drive->unmask = 1;
}
return 0;
}
static void init_hwif_default(ide_hwif_t *hwif, unsigned int index)
{
hw_regs_t hw;
memset(&hw, 0, sizeof(hw_regs_t));
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, &hwif->irq);
memcpy(&hwif->hw, &hw, sizeof(hw));
memcpy(hwif->io_ports, hw.io_ports, sizeof(hw.io_ports));
hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
#ifdef CONFIG_BLK_DEV_HD
if (hwif->io_ports[IDE_DATA_OFFSET] == HD_DATA)
hwif->noprobe = 1; /* may be overridden by ide_setup() */
#endif
}
/*
init_pdc4030: Test for presence of a Promise caching controller card.
Returns: 0 if no Promise card present at this io_base
1 if Promise card found
*/
int init_pdc4030 (void)
{
ide_startstop_t startstop;
ide_hwif_t *hwif = hwif_required;
ide_drive_t *drive;
ide_hwif_t *second_hwif;
struct dc_ident ident;
int i;
if (!hwif) return 0;
drive = &hwif->drives[0];
second_hwif = &ide_hwifs[hwif->index+1];
if(hwif->chipset == ide_pdc4030) /* we've already been found ! */
return 1;
if(IN_BYTE(IDE_NSECTOR_REG) == 0xFF || IN_BYTE(IDE_SECTOR_REG) == 0xFF)
{
return 0;
}
OUT_BYTE(0x08,IDE_CONTROL_REG);
if(pdc4030_cmd(drive,PROMISE_GET_CONFIG)) {
return 0;
}
if(ide_wait_stat(&startstop,drive,DATA_READY,BAD_W_STAT,WAIT_DRQ)) {
printk("%s: Failed Promise read config!\n",hwif->name);
return 0;
}
ide_input_data(drive,&ident,SECTOR_WORDS);
if(ident.id[1] != 'P' || ident.id[0] != 'T') {
return 0;
}
printk("%s: Promise caching controller, ",hwif->name);
switch(ident.type) {
case 0x43: printk("DC4030VL-2, "); break;
case 0x41: printk("DC4030VL-1, "); break;
case 0x40: printk("DC4030VL, "); break;
default: printk("unknown - type 0x%02x - please report!\n"
,ident.type);
return 0;
}
printk("%dKB cache, ",(int)ident.cache_mem);
switch(ident.irq) {
case 0x00: hwif->irq = 14; break;
case 0x01: hwif->irq = 12; break;
default: hwif->irq = 15; break;
}
printk("on IRQ %d\n",hwif->irq);
hwif->chipset = second_hwif->chipset = ide_pdc4030;
hwif->mate = second_hwif;
second_hwif->mate = hwif;
second_hwif->channel = 1;
hwif->selectproc = second_hwif->selectproc = &promise_selectproc;
/* Shift the remaining interfaces down by one */
for (i=MAX_HWIFS-1 ; i > hwif->index+1 ; i--) {
ide_hwif_t *h = &ide_hwifs[i];
printk("Shifting i/f %d values to i/f %d\n",i-1,i);
ide_init_hwif_ports(h->io_ports, (h-1)->io_ports[IDE_DATA_OFFSET], NULL);
h->io_ports[IDE_CONTROL_OFFSET] = (h-1)->io_ports[IDE_CONTROL_OFFSET];
h->noprobe = (h-1)->noprobe;
}
ide_init_hwif_ports(second_hwif->io_ports, hwif->io_ports[IDE_DATA_OFFSET], NULL);
second_hwif->io_ports[IDE_CONTROL_OFFSET] = hwif->io_ports[IDE_CONTROL_OFFSET];
second_hwif->irq = hwif->irq;
for (i=0; i<2 ; i++) {
hwif->drives[i].io_32bit = 3;
second_hwif->drives[i].io_32bit = 3;
if(!ident.current_tm[i+2].cyl) second_hwif->drives[i].noprobe=1;
}
return 1;
}
/*
* ide_setup() gets called VERY EARLY during initialization,
* to handle kernel "command line" strings beginning with "hdx=" or "ide".
*
* Remember to update Documentation/ide.txt if you change something here.
*/
static int __init ide_setup(char *s)
{
int i, vals[3];
ide_hwif_t *hwif;
ide_drive_t *drive;
unsigned int hw, unit;
const char max_drive = 'a' + ((MAX_HWIFS * MAX_DRIVES) - 1);
const char max_hwif = '0' + (MAX_HWIFS - 1);
if (strncmp(s,"hd",2) == 0 && s[2] == '=') /* hd= is for hd.c */
return 0; /* driver and not us */
if (strncmp(s,"ide",3) && strncmp(s,"idebus",6) && strncmp(s,"hd",2))
return 0;
printk(KERN_INFO "ide_setup: %s", s);
init_ide_data ();
#ifdef CONFIG_BLK_DEV_IDEDOUBLER
if (!strcmp(s, "ide=doubler")) {
extern int ide_doubler;
printk(" : Enabled support for IDE doublers\n");
ide_doubler = 1;
return 1;
}
#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
if (!strcmp(s, "ide=nodma")) {
printk(" : Prevented DMA\n");
noautodma = 1;
return 1;
}
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
if (!strcmp(s, "ide=reverse")) {
ide_scan_direction = 1;
printk(" : Enabled support for IDE inverse scan order.\n");
return 1;
}
#endif
#ifdef CONFIG_BLK_DEV_IDEACPI
if (!strcmp(s, "ide=noacpi")) {
//printk(" : Disable IDE ACPI support.\n");
ide_noacpi = 1;
return 1;
}
if (!strcmp(s, "ide=acpigtf")) {
//printk(" : Enable IDE ACPI _GTF support.\n");
ide_noacpitfs = 0;
return 1;
}
if (!strcmp(s, "ide=acpionboot")) {
//printk(" : Call IDE ACPI methods on boot.\n");
ide_noacpionboot = 0;
return 1;
}
#endif /* CONFIG_BLK_DEV_IDEACPI */
/*
* Look for drive options: "hdx="
*/
if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) {
const char *hd_words[] = {
"none", "noprobe", "nowerr", "cdrom", "minus5",
"autotune", "noautotune", "minus8", "swapdata", "bswap",
"noflush", "remap", "remap63", "scsi", NULL };
unit = s[2] - 'a';
hw = unit / MAX_DRIVES;
unit = unit % MAX_DRIVES;
hwif = &ide_hwifs[hw];
drive = &hwif->drives[unit];
if (strncmp(s + 4, "ide-", 4) == 0) {
strlcpy(drive->driver_req, s + 4, sizeof(drive->driver_req));
goto done;
}
switch (match_parm(&s[3], hd_words, vals, 3)) {
case -1: /* "none" */
case -2: /* "noprobe" */
drive->noprobe = 1;
goto done;
case -3: /* "nowerr" */
drive->bad_wstat = BAD_R_STAT;
hwif->noprobe = 0;
goto done;
case -4: /* "cdrom" */
drive->present = 1;
drive->media = ide_cdrom;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
hwif->noprobe = 0;
goto done;
case -6: /* "autotune" */
drive->autotune = IDE_TUNE_AUTO;
goto obsolete_option;
case -7: /* "noautotune" */
drive->autotune = IDE_TUNE_NOAUTO;
goto obsolete_option;
case -9: /* "swapdata" */
case -10: /* "bswap" */
drive->bswap = 1;
goto done;
case -11: /* noflush */
drive->noflush = 1;
goto done;
case -12: /* "remap" */
drive->remap_0_to_1 = 1;
goto done;
case -13: /* "remap63" */
drive->sect0 = 63;
goto done;
case -14: /* "scsi" */
drive->scsi = 1;
goto done;
case 3: /* cyl,head,sect */
drive->media = ide_disk;
drive->ready_stat = READY_STAT;
drive->cyl = drive->bios_cyl = vals[0];
drive->head = drive->bios_head = vals[1];
drive->sect = drive->bios_sect = vals[2];
drive->present = 1;
drive->forced_geom = 1;
hwif->noprobe = 0;
goto done;
default:
goto bad_option;
}
}
if (s[0] != 'i' || s[1] != 'd' || s[2] != 'e')
goto bad_option;
/*
* Look for bus speed option: "idebus="
*/
if (s[3] == 'b' && s[4] == 'u' && s[5] == 's') {
if (match_parm(&s[6], NULL, vals, 1) != 1)
goto bad_option;
if (vals[0] >= 20 && vals[0] <= 66) {
idebus_parameter = vals[0];
} else
printk(" -- BAD BUS SPEED! Expected value from 20 to 66");
goto done;
}
/*
* Look for interface options: "idex="
*/
if (s[3] >= '0' && s[3] <= max_hwif) {
/*
* Be VERY CAREFUL changing this: note hardcoded indexes below
* (-8, -9, -10) are reserved to ease the hardcoding.
*/
static const char *ide_words[] = {
"noprobe", "serialize", "minus3", "minus4",
"reset", "dma", "ata66", "minus8", "minus9",
"minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb",
"dtc2278", "umc8672", "ali14xx", NULL };
hw = s[3] - '0';
hwif = &ide_hwifs[hw];
i = match_parm(&s[4], ide_words, vals, 3);
/*
* Cryptic check to ensure chipset not already set for hwif.
* Note: we can't depend on hwif->chipset here.
*/
if ((i >= -18 && i <= -11) || (i > 0 && i <= 3)) {
/* chipset already specified */
if (is_chipset_set[hw])
goto bad_option;
if (i > -18 && i <= -11) {
/* these drivers are for "ide0=" only */
if (hw != 0)
goto bad_hwif;
/* chipset already specified for 2nd port */
if (is_chipset_set[hw+1])
goto bad_option;
}
is_chipset_set[hw] = 1;
printk("\n");
}
switch (i) {
#ifdef CONFIG_BLK_DEV_ALI14XX
case -17: /* "ali14xx" */
probe_ali14xx = 1;
goto done;
#endif
#ifdef CONFIG_BLK_DEV_UMC8672
case -16: /* "umc8672" */
probe_umc8672 = 1;
goto done;
#endif
#ifdef CONFIG_BLK_DEV_DTC2278
case -15: /* "dtc2278" */
probe_dtc2278 = 1;
goto done;
#endif
#ifdef CONFIG_BLK_DEV_CMD640
case -14: /* "cmd640_vlb" */
{
extern int cmd640_vlb; /* flag for cmd640.c */
cmd640_vlb = 1;
goto done;
}
#endif
#ifdef CONFIG_BLK_DEV_HT6560B
case -13: /* "ht6560b" */
probe_ht6560b = 1;
goto done;
#endif
#ifdef CONFIG_BLK_DEV_QD65XX
case -12: /* "qd65xx" */
probe_qd65xx = 1;
goto done;
#endif
#ifdef CONFIG_BLK_DEV_4DRIVES
case -11: /* "four" drives on one set of ports */
{
ide_hwif_t *mate = &ide_hwifs[hw^1];
mate->drives[0].select.all ^= 0x20;
mate->drives[1].select.all ^= 0x20;
hwif->chipset = mate->chipset = ide_4drives;
mate->irq = hwif->irq;
memcpy(mate->io_ports, hwif->io_ports, sizeof(hwif->io_ports));
hwif->mate = mate;
mate->mate = hwif;
hwif->serialized = mate->serialized = 1;
goto obsolete_option;
}
#endif /* CONFIG_BLK_DEV_4DRIVES */
case -10: /* minus10 */
case -9: /* minus9 */
case -8: /* minus8 */
case -4:
case -3:
goto bad_option;
case -7: /* ata66 */
#ifdef CONFIG_BLK_DEV_IDEPCI
hwif->udma_four = 1;
goto obsolete_option;
#else
goto bad_hwif;
#endif
case -6: /* dma */
hwif->autodma = 1;
goto obsolete_option;
case -5: /* "reset" */
hwif->reset = 1;
goto obsolete_option;
case -2: /* "serialize" */
hwif->mate = &ide_hwifs[hw^1];
hwif->mate->mate = hwif;
hwif->serialized = hwif->mate->serialized = 1;
goto obsolete_option;
case -1: /* "noprobe" */
hwif->noprobe = 1;
goto done;
case 1: /* base */
vals[1] = vals[0] + 0x206; /* default ctl */
case 2: /* base,ctl */
vals[2] = 0; /* default irq = probe for it */
case 3: /* base,ctl,irq */
hwif->hw.irq = vals[2];
ide_init_hwif_ports(&hwif->hw, (unsigned long) vals[0], (unsigned long) vals[1], &hwif->irq);
memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
hwif->irq = vals[2];
hwif->noprobe = 0;
hwif->chipset = ide_forced;
goto obsolete_option;
case 0: goto bad_option;
default:
printk(" -- SUPPORT NOT CONFIGURED IN THIS KERNEL\n");
return 1;
}
}
bad_option:
printk(" -- BAD OPTION\n");
return 1;
obsolete_option:
printk(" -- OBSOLETE OPTION, WILL BE REMOVED SOON!\n");
return 1;
bad_hwif:
printk("-- NOT SUPPORTED ON ide%d", hw);
done:
printk("\n");
return 1;
}
int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev,
unsigned int cmd, unsigned long arg)
{
unsigned long flags;
ide_driver_t *drv;
void __user *p = (void __user *)arg;
int err = 0, (*setfunc)(ide_drive_t *, int);
u8 *val;
switch (cmd) {
case HDIO_GET_32BIT: val = &drive->io_32bit; goto read_val;
case HDIO_GET_KEEPSETTINGS: val = &drive->keep_settings; goto read_val;
case HDIO_GET_UNMASKINTR: val = &drive->unmask; goto read_val;
case HDIO_GET_DMA: val = &drive->using_dma; goto read_val;
case HDIO_SET_32BIT: setfunc = set_io_32bit; goto set_val;
case HDIO_SET_KEEPSETTINGS: setfunc = set_ksettings; goto set_val;
case HDIO_SET_PIO_MODE: setfunc = set_pio_mode; goto set_val;
case HDIO_SET_UNMASKINTR: setfunc = set_unmaskirq; goto set_val;
case HDIO_SET_DMA: setfunc = set_using_dma; goto set_val;
}
switch (cmd) {
case HDIO_OBSOLETE_IDENTITY:
case HDIO_GET_IDENTITY:
if (bdev != bdev->bd_contains)
return -EINVAL;
if (drive->id_read == 0)
return -ENOMSG;
if (copy_to_user(p, drive->id, (cmd == HDIO_GET_IDENTITY) ? sizeof(*drive->id) : 142))
return -EFAULT;
return 0;
case HDIO_GET_NICE:
return put_user(drive->dsc_overlap << IDE_NICE_DSC_OVERLAP |
drive->atapi_overlap << IDE_NICE_ATAPI_OVERLAP |
drive->nice0 << IDE_NICE_0 |
drive->nice1 << IDE_NICE_1 |
drive->nice2 << IDE_NICE_2,
(long __user *) arg);
#ifdef CONFIG_IDE_TASK_IOCTL
case HDIO_DRIVE_TASKFILE:
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
return -EACCES;
switch(drive->media) {
case ide_disk:
return ide_taskfile_ioctl(drive, cmd, arg);
default:
return -ENOMSG;
}
#endif /* CONFIG_IDE_TASK_IOCTL */
case HDIO_DRIVE_CMD:
if (!capable(CAP_SYS_RAWIO))
return -EACCES;
return ide_cmd_ioctl(drive, cmd, arg);
case HDIO_DRIVE_TASK:
if (!capable(CAP_SYS_RAWIO))
return -EACCES;
return ide_task_ioctl(drive, cmd, arg);
case HDIO_SCAN_HWIF:
{
hw_regs_t hw;
int args[3];
if (!capable(CAP_SYS_RAWIO)) return -EACCES;
if (copy_from_user(args, p, 3 * sizeof(int)))
return -EFAULT;
memset(&hw, 0, sizeof(hw));
ide_init_hwif_ports(&hw, (unsigned long) args[0],
(unsigned long) args[1], NULL);
hw.irq = args[2];
if (ide_register_hw(&hw, 0, NULL) == -1)
return -EIO;
return 0;
}
case HDIO_UNREGISTER_HWIF:
if (!capable(CAP_SYS_RAWIO)) return -EACCES;
/* (arg > MAX_HWIFS) checked in function */
ide_unregister(arg);
return 0;
case HDIO_SET_NICE:
if (!capable(CAP_SYS_ADMIN)) return -EACCES;
if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1))))
return -EPERM;
drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1;
drv = *(ide_driver_t **)bdev->bd_disk->private_data;
if (drive->dsc_overlap && !drv->supports_dsc_overlap) {
drive->dsc_overlap = 0;
return -EPERM;
}
drive->nice1 = (arg >> IDE_NICE_1) & 1;
return 0;
case HDIO_DRIVE_RESET:
{
unsigned long flags;
if (!capable(CAP_SYS_ADMIN)) return -EACCES;
/*
* Abort the current command on the
* group if there is one, taking
* care not to allow anything else
* to be queued and to die on the
* spot if we miss one somehow
*/
spin_lock_irqsave(&ide_lock, flags);
if (HWGROUP(drive)->resetting) {
spin_unlock_irqrestore(&ide_lock, flags);
return -EBUSY;
}
ide_abort(drive, "drive reset");
BUG_ON(HWGROUP(drive)->handler);
/* Ensure nothing gets queued after we
drop the lock. Reset will clear the busy */
HWGROUP(drive)->busy = 1;
spin_unlock_irqrestore(&ide_lock, flags);
(void) ide_do_reset(drive);
return 0;
}
case CDROMEJECT:
case CDROMCLOSETRAY:
return scsi_cmd_ioctl(file, bdev->bd_disk, cmd, p);
case HDIO_GET_BUSSTATE:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (put_user(HWIF(drive)->bus_state, (long __user *)arg))
return -EFAULT;
return 0;
case HDIO_SET_BUSSTATE:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (HWIF(drive)->busproc)
return HWIF(drive)->busproc(drive, (int)arg);
return -EOPNOTSUPP;
default:
return -EINVAL;
}
read_val:
down(&ide_setting_sem);
spin_lock_irqsave(&ide_lock, flags);
err = *val;
spin_unlock_irqrestore(&ide_lock, flags);
up(&ide_setting_sem);
return err >= 0 ? put_user(err, (long __user *)arg) : err;
set_val:
if (bdev != bdev->bd_contains)
err = -EINVAL;
else {
if (!capable(CAP_SYS_ADMIN))
err = -EACCES;
else {
down(&ide_setting_sem);
err = setfunc(drive, arg);
up(&ide_setting_sem);
}
}
return err;
}
