Re: Linux-2.5.18

Martin Dalecki (dalecki@evision-ventures.com)
Tue, 28 May 2002 16:23:13 +0200


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Mon May 27 12:37:58 CEST 2002 ide-clean-72

- Replace ide_delay_50m with mdelay(50). There is absolutely no reason we
should behave different behaviors whatever IDECS support is enabled or not.

- Kill last parameter of ide_register_hw(). It should return a pointer to the
interface registered later.

- pdc202xx patches by Bartomiej onierkiewicz.

- ServerWorks chi pset support cleanup by Andrej Panin.

- Move temporarily ide_setup_ports to main.c unfold it in ide-pnp.c.

I'm trying again to make the patch chunks a bit more palatable...

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diff -urN linux-2.5.18/drivers/ide/buddha.c linux/drivers/ide/buddha.c
--- linux-2.5.18/drivers/ide/buddha.c 2002-05-25 03:55:25.000000000 +0200
+++ linux/drivers/ide/buddha.c 2002-05-27 16:06:44.000000000 +0200
@@ -202,9 +202,9 @@
xsurf_offsets, 0,
(ide_ioreg_t)(buddha_board+xsurf_irqports[i]),
xsurf_ack_intr, IRQ_AMIGA_PORTS);
- }
-
- index = ide_register_hw(&hw, NULL);
+ }
+
+ index = ide_register_hw(&hw);
if (index != -1) {
printk("ide%d: ", index);
switch(type) {
diff -urN linux-2.5.18/drivers/ide/falconide.c linux/drivers/ide/falconide.c
--- linux-2.5.18/drivers/ide/falconide.c 2002-05-25 03:55:25.000000000 +0200
+++ linux/drivers/ide/falconide.c 2002-05-27 16:06:54.000000000 +0200
@@ -60,7 +60,7 @@

ide_setup_ports(&hw, (ide_ioreg_t)ATA_HD_BASE, falconide_offsets,
0, 0, NULL, IRQ_MFP_IDE);
- index = ide_register_hw(&hw, NULL);
+ index = ide_register_hw(&hw);

if (index != -1)
printk("ide%d: Falcon IDE interface\n", index);
diff -urN linux-2.5.18/drivers/ide/gayle.c linux/drivers/ide/gayle.c
--- linux-2.5.18/drivers/ide/gayle.c 2002-05-25 03:55:21.000000000 +0200
+++ linux/drivers/ide/gayle.c 2002-05-27 16:06:00.000000000 +0200
@@ -150,7 +150,7 @@
ide_setup_ports(&hw, base, gayle_offsets,
ctrlport, irqport, ack_intr, IRQ_AMIGA_PORTS);

- index = ide_register_hw(&hw, NULL);
+ index = ide_register_hw(&hw);
if (index != -1) {
switch (i) {
case 0:
diff -urN linux-2.5.18/drivers/ide/ide.c linux/drivers/ide/ide.c
--- linux-2.5.18/drivers/ide/ide.c 2002-05-28 17:15:53.000000000 +0200
+++ linux/drivers/ide/ide.c 2002-05-28 13:21:53.000000000 +0200
@@ -151,6 +151,12 @@
return ret;
}

+/* This is the default end request function as well */
+int ide_end_request(struct ata_device *drive, struct request *rq, int uptodate)
+{
+ return __ide_end_request(drive, rq, uptodate, 0);
+}
+
/*
* This should get invoked any time we exit the driver to
* wait for an interrupt response from a drive. handler() points
@@ -508,7 +514,7 @@
printk("} ");
}
#else
-#define ata_dump_bits(msgs,nr,bits) do { } while (0)
+# define ata_dump_bits(msgs,nr,bits) do { } while (0)
#endif

/*
@@ -1517,36 +1523,6 @@
return 0;
}

-/*
- * Setup hw_regs_t structure described by parameters. You
- * may set up the hw structure yourself OR use this routine to
- * do it for you.
- */
-void ide_setup_ports(hw_regs_t *hw,
- ide_ioreg_t base, int *offsets,
- ide_ioreg_t ctrl, ide_ioreg_t intr,
- ide_ack_intr_t *ack_intr, int irq)
-{
- int i;
-
- for (i = 0; i < IDE_NR_PORTS; i++) {
- if (offsets[i] != -1)
- hw->io_ports[i] = base + offsets[i];
- else
- hw->io_ports[i] = 0;
- }
- if (offsets[IDE_CONTROL_OFFSET] == -1)
- hw->io_ports[IDE_CONTROL_OFFSET] = ctrl;
-/* FIMXE: check if we can remove this ifdef */
-#if defined(CONFIG_AMIGA) || defined(CONFIG_MAC)
- if (offsets[IDE_IRQ_OFFSET] == -1)
- hw->io_ports[IDE_IRQ_OFFSET] = intr;
-#endif
- hw->irq = irq;
- hw->dma = NO_DMA;
- hw->ack_intr = ack_intr;
-}
-
int ide_spin_wait_hwgroup(struct ata_device *drive)
{
/* FIXME: Wait on a proper timer. Instead of playing games on the
@@ -1572,24 +1548,6 @@
return 0;
}

-/*
- * Delay for *at least* 50ms. As we don't know how much time is left
- * until the next tick occurs, we wait an extra tick to be safe.
- * This is used only during the probing/polling for drives at boot time.
- *
- * However, its usefullness may be needed in other places, thus we export it now.
- * The future may change this to a millisecond setable delay.
- */
-void ide_delay_50ms (void)
-{
-#ifndef CONFIG_BLK_DEV_IDECS
- mdelay(50);
-#else
- __set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ/20);
-#endif
-}
-
static int ide_check_media_change(kdev_t i_rdev)
{
struct ata_device *drive;
@@ -1638,12 +1596,6 @@
*p++ = '\0';
}

-/* This is the default end request function as well */
-int ide_end_request(struct ata_device *drive, struct request *rq, int uptodate)
-{
- return __ide_end_request(drive, rq, uptodate, 0);
-}
-
struct block_device_operations ide_fops[] = {{
owner: THIS_MODULE,
open: ide_open,
@@ -1669,7 +1621,6 @@
EXPORT_SYMBOL(ide_end_drive_cmd);
EXPORT_SYMBOL(__ide_end_request);
EXPORT_SYMBOL(ide_end_request);
-EXPORT_SYMBOL(ide_delay_50ms);
EXPORT_SYMBOL(ide_stall_queue);

EXPORT_SYMBOL(ide_setup_ports);
diff -urN linux-2.5.18/drivers/ide/ide-cs.c linux/drivers/ide/ide-cs.c
--- linux-2.5.18/drivers/ide/ide-cs.c 2002-05-25 03:55:23.000000000 +0200
+++ linux/drivers/ide/ide-cs.c 2002-05-27 16:06:29.000000000 +0200
@@ -233,7 +233,8 @@
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);
+
+ return ide_register_hw(&hw);
}

void ide_config(dev_link_t *link)
diff -urN linux-2.5.18/drivers/ide/ide-features.c linux/drivers/ide/ide-features.c
--- linux-2.5.18/drivers/ide/ide-features.c 2002-05-25 03:55:28.000000000 +0200
+++ linux/drivers/ide/ide-features.c 2002-05-28 13:23:56.000000000 +0200
@@ -189,17 +189,19 @@
SELECT_MASK(drive->channel, drive, 1);
if (IDE_CONTROL_REG)
OUT_BYTE(drive->ctl,IDE_CONTROL_REG);
- ide_delay_50ms();
+ mdelay(50);
OUT_BYTE(WIN_IDENTIFY, IDE_COMMAND_REG);
timeout = jiffies + WAIT_WORSTCASE;
do {
- if (0 < (signed long)(jiffies - timeout)) {
+ if (time_after(jiffies, timeout)) {
SELECT_MASK(drive->channel, drive, 0);
return 0; /* drive timed-out */
}
- ide_delay_50ms(); /* give drive a breather */
+ mdelay(50); /* give drive a breather */
} while (IN_BYTE(IDE_ALTSTATUS_REG) & BUSY_STAT);
- ide_delay_50ms(); /* wait for IRQ and DRQ_STAT */
+
+ mdelay(50); /* wait for IRQ and DRQ_STAT */
+
if (!OK_STAT(GET_STAT(),DRQ_STAT,BAD_R_STAT)) {
SELECT_MASK(drive->channel, drive, 0);
printk("%s: CHECK for good STATUS\n", drive->name);
diff -urN linux-2.5.18/drivers/ide/ide-pci.c linux/drivers/ide/ide-pci.c
--- linux-2.5.18/drivers/ide/ide-pci.c 2002-05-28 17:15:53.000000000 +0200
+++ linux/drivers/ide/ide-pci.c 2002-05-28 11:19:39.000000000 +0200
@@ -351,7 +351,7 @@
base = port ? 0x170 : 0x1f0;

if ((ch = lookup_channel(base, d->bootable, dev->name)) == NULL)
- return -ENOMEM; /* no room in ide_hwifs[] */
+ return -ENOMEM; /* no room */

if (ch->io_ports[IDE_DATA_OFFSET] != base) {
ide_init_hwif_ports(&ch->hw, base, (ctl | 2), NULL);
diff -urN linux-2.5.18/drivers/ide/ide-pnp.c linux/drivers/ide/ide-pnp.c
--- linux-2.5.18/drivers/ide/ide-pnp.c 2002-05-28 17:15:53.000000000 +0200
+++ linux/drivers/ide/ide-pnp.c 2002-05-28 12:44:00.000000000 +0200
@@ -32,29 +32,6 @@

#define DEV_NAME(dev) (dev->bus->name ? dev->bus->name : "ISA PnP")

-enum {
- GENERIC_HD_DATA,
- GENERIC_HD_ERROR,
- GENERIC_HD_NSECTOR,
- GENERIC_HD_SECTOR,
- GENERIC_HD_LCYL,
- GENERIC_HD_HCYL,
- GENERIC_HD_SELECT,
- GENERIC_HD_STATUS
-};
-
-static int generic_ide_offsets[IDE_NR_PORTS] __initdata = {
- GENERIC_HD_DATA,
- GENERIC_HD_ERROR,
- GENERIC_HD_NSECTOR,
- GENERIC_HD_SECTOR,
- GENERIC_HD_LCYL,
- GENERIC_HD_HCYL,
- GENERIC_HD_SELECT,
- GENERIC_HD_STATUS,
- -1, -1
-};
-
/* ISA PnP device table entry */
struct pnp_dev_t {
unsigned short card_vendor, card_device, vendor, device;
@@ -65,8 +42,8 @@
static int __init pnpide_generic_init(struct pci_dev *dev, int enable)
{
hw_regs_t hw;
- struct ata_channel *hwif;
int index;
+ int i;

if (!enable)
return 0;
@@ -74,15 +51,24 @@
if (!(DEV_IO(dev, 0) && DEV_IO(dev, 1) && DEV_IRQ(dev, 0)))
return 1;

- ide_setup_ports(&hw, (ide_ioreg_t) DEV_IO(dev, 0),
- generic_ide_offsets, (ide_ioreg_t) DEV_IO(dev, 1),
- 0, NULL, DEV_IRQ(dev, 0));
+ /* Initialize register access base values. */
+ for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; ++i)
+ hw.io_ports[i] = DEV_IO(dev, 0) + i;
+ hw.io_ports[IDE_CONTROL_OFFSET] = DEV_IO(dev, 1);
+
+ hw.irq = DEV_IRQ(dev, 0);
+ hw.dma = NO_DMA;
+ hw.ack_intr = NULL;

- index = ide_register_hw(&hw, &hwif);
+ index = ide_register_hw(&hw);

if (index != -1) {
- hwif->pci_dev = dev;
+ struct ata_channel *ch;
+
+ ch = &ide_hwifs[index];
+ ch->pci_dev = dev;
printk(KERN_INFO "ide%d: %s IDE interface\n", index, DEV_NAME(dev));
+
return 0;
}

diff -urN linux-2.5.18/drivers/ide/ide-probe.c linux/drivers/ide/ide-probe.c
--- linux-2.5.18/drivers/ide/ide-probe.c 2002-05-25 03:55:16.000000000 +0200
+++ linux/drivers/ide/ide-probe.c 2002-05-28 13:13:30.000000000 +0200
@@ -68,17 +68,7 @@
* However let's try to get away with this...
*/

-#if 1
ata_read(drive, id, SECTOR_WORDS);
-#else
- {
- unsigned long *ptr = (unsigned long *)id ;
- unsigned long lcount = 256/2 ;
- // printk("IDE_DATA_REG = %#lx",IDE_DATA_REG);
- while( lcount-- )
- *ptr++ = inl(IDE_DATA_REG);
- }
-#endif
ide__sti(); /* local CPU only */
ide_fix_driveid(id);

@@ -248,7 +238,7 @@
rc = 1;
if (IDE_CONTROL_REG) {
/* take a deep breath */
- ide_delay_50ms();
+ mdelay(50);
a = IN_BYTE(IDE_ALTSTATUS_REG);
s = IN_BYTE(IDE_STATUS_REG);
if ((a ^ s) & ~INDEX_STAT) {
@@ -258,7 +248,7 @@
hd_status = IDE_ALTSTATUS_REG; /* use non-intrusive polling */
}
} else {
- ide_delay_50ms();
+ mdelay(50);
hd_status = IDE_STATUS_REG;
}

@@ -281,10 +271,11 @@
do {
if (time_after(jiffies, timeout))
goto out; /* drive timed-out */
- ide_delay_50ms(); /* give drive a breather */
+ mdelay(50); /* give drive a breather */
} while (IN_BYTE(hd_status) & BUSY_STAT);

- ide_delay_50ms(); /* wait for IRQ and DRQ_STAT */
+ mdelay(50); /* wait for IRQ and DRQ_STAT */
+
if (OK_STAT(GET_STAT(),DRQ_STAT,BAD_R_STAT)) {
unsigned long flags;
__save_flags(flags); /* local CPU only */
@@ -345,13 +336,13 @@
drive->name, drive->present, drive->type,
(cmd == WIN_IDENTIFY) ? "ATA" : "ATAPI");
#endif
- ide_delay_50ms(); /* needed for some systems (e.g. crw9624 as drive0 with disk as slave) */
+ mdelay(50); /* needed for some systems (e.g. crw9624 as drive0 with disk as slave) */
SELECT_DRIVE(hwif,drive);
- ide_delay_50ms();
+ mdelay(50);
if (IN_BYTE(IDE_SELECT_REG) != drive->select.all && !drive->present) {
if (drive->select.b.unit != 0) {
SELECT_DRIVE(hwif,&hwif->drives[0]); /* exit with drive0 selected */
- ide_delay_50ms(); /* allow BUSY_STAT to assert & clear */
+ mdelay(50); /* allow BUSY_STAT to assert & clear */
}
return 3; /* no i/f present: mmm.. this should be a 4 -ml */
}
@@ -363,13 +354,13 @@
if (rc == 1 && cmd == WIN_PIDENTIFY && drive->autotune != 2) {
unsigned long timeout;
printk("%s: no response (status = 0x%02x), resetting drive\n", drive->name, GET_STAT());
- ide_delay_50ms();
+ mdelay(50);
OUT_BYTE (drive->select.all, IDE_SELECT_REG);
- ide_delay_50ms();
+ mdelay(50);
OUT_BYTE(WIN_SRST, IDE_COMMAND_REG);
timeout = jiffies;
while ((GET_STAT() & BUSY_STAT) && time_before(jiffies, timeout + WAIT_WORSTCASE))
- ide_delay_50ms();
+ mdelay(50);
rc = identify(drive, cmd);
}
if (rc == 1)
@@ -380,7 +371,7 @@

if (drive->select.b.unit != 0) {
SELECT_DRIVE(hwif,&hwif->drives[0]); /* exit with drive0 selected */
- ide_delay_50ms();
+ mdelay(50);
(void) GET_STAT(); /* ensure drive irq is clear */
}
return rc;
@@ -392,7 +383,7 @@

printk("%s: enabling %s -- ", drive->channel->name, drive->id->model);
SELECT_DRIVE(drive->channel, drive);
- ide_delay_50ms();
+ mdelay(50);
OUT_BYTE(EXABYTE_ENABLE_NEST, IDE_COMMAND_REG);
timeout = jiffies + WAIT_WORSTCASE;
do {
@@ -400,9 +391,9 @@
printk("failed (timeout)\n");
return;
}
- ide_delay_50ms();
+ mdelay(50);
} while (GET_STAT() & BUSY_STAT);
- ide_delay_50ms();
+ mdelay(50);
if (!OK_STAT(GET_STAT(), 0, BAD_STAT))
printk("failed (status = 0x%02x)\n", GET_STAT());
else
@@ -536,7 +527,7 @@
udelay(10);
OUT_BYTE(8, ch->io_ports[IDE_CONTROL_OFFSET]);
do {
- ide_delay_50ms();
+ mdelay(50);
stat = IN_BYTE(ch->io_ports[IDE_STATUS_OFFSET]);
} while ((stat & BUSY_STAT) && time_before(jiffies, timeout));
}
diff -urN linux-2.5.18/drivers/ide/ide-taskfile.c linux/drivers/ide/ide-taskfile.c
--- linux-2.5.18/drivers/ide/ide-taskfile.c 2002-05-28 17:15:53.000000000 +0200
+++ linux/drivers/ide/ide-taskfile.c 2002-05-28 11:41:22.000000000 +0200
@@ -353,13 +353,20 @@

OUT_BYTE((args->taskfile.device_head & HIHI) | drive->select.all, IDE_SELECT_REG);
if (args->handler != NULL) {
+
+ /* This is apparently supposed to reset the wait timeout for
+ * the interrupt to accur.
+ */
+
ide_set_handler(drive, args->handler, WAIT_CMD, NULL);
OUT_BYTE(args->taskfile.command, IDE_COMMAND_REG);
+
/*
* Warning check for race between handler and prehandler for
* writing first block of data. however since we are well
* inside the boundaries of the seek, we should be okay.
*/
+
if (args->prehandler != NULL)
return args->prehandler(drive, rq);
} else {
@@ -579,7 +586,8 @@
return ide_started;
}

-/* Called by ioctl to feature out type of command being called */
+/* Called to figure out the type of command being called.
+ */
void ide_cmd_type_parser(struct ata_taskfile *args)
{
struct hd_drive_task_hdr *taskfile = &args->taskfile;
diff -urN linux-2.5.18/drivers/ide/macide.c linux/drivers/ide/macide.c
--- linux-2.5.18/drivers/ide/macide.c 2002-05-25 03:55:19.000000000 +0200
+++ linux/drivers/ide/macide.c 2002-05-27 16:05:38.000000000 +0200
@@ -100,17 +100,17 @@
case MAC_IDE_QUADRA:
ide_setup_ports(&hw, (ide_ioreg_t)IDE_BASE, macide_offsets,
0, 0, macide_ack_intr, IRQ_NUBUS_F);
- index = ide_register_hw(&hw, NULL);
+ index = ide_register_hw(&hw);
break;
case MAC_IDE_PB:
ide_setup_ports(&hw, (ide_ioreg_t)IDE_BASE, macide_offsets,
0, 0, macide_ack_intr, IRQ_NUBUS_C);
- index = ide_register_hw(&hw, NULL);
+ index = ide_register_hw(&hw);
break;
case MAC_IDE_BABOON:
ide_setup_ports(&hw, (ide_ioreg_t)BABOON_BASE, macide_offsets,
0, 0, NULL, IRQ_BABOON_1);
- index = ide_register_hw(&hw, NULL);
+ index = ide_register_hw(&hw);
if (index == -1) break;
if (macintosh_config->ident == MAC_MODEL_PB190) {

diff -urN linux-2.5.18/drivers/ide/main.c linux/drivers/ide/main.c
--- linux-2.5.18/drivers/ide/main.c 2002-05-28 17:15:53.000000000 +0200
+++ linux/drivers/ide/main.c 2002-05-28 12:44:05.000000000 +0200
@@ -133,6 +133,43 @@
*/
struct ata_channel ide_hwifs[MAX_HWIFS]; /* master data repository */

+/*
+ * FIXME: This function should be unrolled in the palces where it get's used,
+ * since in reality it's simple architecture specific initialization.
+ *
+ * Setup hw_regs_t structure described by parameters. You may set up the hw
+ * structure yourself OR use this routine to do it for you.
+ */
+void ide_setup_ports(hw_regs_t *hw,
+ ide_ioreg_t base,
+ int *offsets,
+ ide_ioreg_t ctrl,
+ ide_ioreg_t intr,
+ ide_ack_intr_t *ack_intr,
+ int irq)
+{
+ int i;
+
+ for (i = 0; i < IDE_NR_PORTS; i++) {
+ if (offsets[i] != -1)
+ hw->io_ports[i] = base + offsets[i];
+ else
+ hw->io_ports[i] = 0;
+ }
+ if (offsets[IDE_CONTROL_OFFSET] == -1)
+ hw->io_ports[IDE_CONTROL_OFFSET] = ctrl;
+
+ /* FIMXE: check if we can remove this ifdef */
+#if defined(CONFIG_AMIGA) || defined(CONFIG_MAC)
+ if (offsets[IDE_IRQ_OFFSET] == -1)
+ hw->io_ports[IDE_IRQ_OFFSET] = intr;
+#endif
+
+ hw->irq = irq;
+ hw->dma = NO_DMA;
+ hw->ack_intr = ack_intr;
+}
+
static void init_hwif_data(struct ata_channel *ch, unsigned int index)
{
static const unsigned int majors[] = {
@@ -148,15 +185,18 @@
memset(&hw, 0, sizeof(hw_regs_t));

/* fill in any non-zero initial values */
- ch->index = index;
+ ch->index = index;
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, &ch->irq);
+
memcpy(&ch->hw, &hw, sizeof(hw));
memcpy(ch->io_ports, hw.io_ports, sizeof(hw.io_ports));
+
ch->noprobe = !ch->io_ports[IDE_DATA_OFFSET];
#ifdef CONFIG_BLK_DEV_HD
if (ch->io_ports[IDE_DATA_OFFSET] == HD_DATA)
ch->noprobe = 1; /* may be overridden by ide_setup() */
#endif
+
ch->major = majors[index];
sprintf(ch->name, "ide%d", index);
ch->bus_state = BUSSTATE_ON;
@@ -576,7 +616,7 @@
* Register an IDE interface, specifing exactly the registers etc
* Set init=1 iff calling before probes have taken place.
*/
-int ide_register_hw(hw_regs_t *hw, struct ata_channel **hwifp)
+int ide_register_hw(hw_regs_t *hw)
{
int h;
int retry = 1;
@@ -627,9 +667,6 @@
break;
}

- if (hwifp)
- *hwifp = ch;
-
return (initializing || ch->present) ? h : -1;
}

diff -urN linux-2.5.18/drivers/ide/pdc202xx.c linux/drivers/ide/pdc202xx.c
--- linux-2.5.18/drivers/ide/pdc202xx.c 2002-05-25 03:55:30.000000000 +0200
+++ linux/drivers/ide/pdc202xx.c 2002-05-28 17:03:47.000000000 +0200
@@ -53,10 +53,6 @@
#define PDC202XX_DEBUG_DRIVE_INFO 0
#define PDC202XX_DECODE_REGISTER_INFO 0

-#ifndef SPLIT_BYTE
-#define SPLIT_BYTE(B,H,L) ((H)=(B>>4), (L)=(B-((B>>4)<<4)))
-#endif
-
extern char *ide_xfer_verbose (byte xfer_rate);

/* A Register */
@@ -67,103 +63,62 @@
#define IORDY_EN 0x20 /* PIO: IOREADY */
#define PREFETCH_EN 0x10 /* PIO: PREFETCH */

-#define PA3 0x08 /* PIO"A" timing */
-#define PA2 0x04 /* PIO"A" timing */
-#define PA1 0x02 /* PIO"A" timing */
-#define PA0 0x01 /* PIO"A" timing */
-
-/* B Register */
-
-#define MB2 0x80 /* DMA"B" timing */
-#define MB1 0x40 /* DMA"B" timing */
-#define MB0 0x20 /* DMA"B" timing */
-
-#define PB4 0x10 /* PIO_FORCE 1:0 */
-
-#define PB3 0x08 /* PIO"B" timing */ /* PIO flow Control mode */
-#define PB2 0x04 /* PIO"B" timing */ /* PIO 4 */
-#define PB1 0x02 /* PIO"B" timing */ /* PIO 3 half */
-#define PB0 0x01 /* PIO"B" timing */ /* PIO 3 other half */
-
-/* C Register */
-#define IORDYp_NO_SPEED 0x4F
-#define SPEED_DIS 0x0F
-
-#define DMARQp 0x80
-#define IORDYp 0x40
-#define DMAR_EN 0x20
-#define DMAW_EN 0x10
-
-#define MC3 0x08 /* DMA"C" timing */
-#define MC2 0x04 /* DMA"C" timing */
-#define MC1 0x02 /* DMA"C" timing */
-#define MC0 0x01 /* DMA"C" timing */
-
#if PDC202XX_DECODE_REGISTER_INFO

-#define REG_A 0x01
-#define REG_B 0x02
-#define REG_C 0x04
-#define REG_D 0x08
+struct pdc_bit_messages {
+ u8 mask;
+ const char *msg;
+};

-static void decode_registers (byte registers, byte value)
+static struct pdc_bit_messages pdc_reg_A[] = {
+ { 0x80, "SYNC_IN" },
+ { 0x40, "ERRDY_EN" },
+ { 0x20, "IORDY_EN" },
+ { 0x10, "PREFETCH_EN" },
+ /* PA3-PA0 - PIO "A" timing */
+ { 0x08, "PA3" },
+ { 0x04, "PA2" },
+ { 0x02, "PA1" },
+ { 0x01, "PA0" }
+};
+
+static struct pdc_bit_messages pdc_reg_B[] = {
+ /* MB2-MB0 - DMA "B" timing */
+ { 0x80, "MB2" },
+ { 0x40, "MB1" },
+ { 0x20, "MB0" },
+ { 0x10, "PIO_FORCED/PB4" }, /* PIO_FORCE 1:0 */
+ /* PB3-PB0 - PIO "B" timing */
+ { 0x08, "PB3" }, /* PIO flow Control mode */
+ { 0x04, "PB2" }, /* PIO 4 */
+ { 0x02, "PB1" }, /* PIO 3 half */
+ { 0x01, "PB0" } /* PIO 3 other half */
+};
+
+static struct pdc_bit_messages pdc_reg_C[] = {
+ { 0x80, "DMARQp" },
+ { 0x40, "IORDYp" },
+ { 0x20, "DMAR_EN" },
+ { 0x10, "DMAW_EN" },
+ /* MC3-MC0 - DMA "C" timing */
+ { 0x08, "MC3" },
+ { 0x04, "MC2" },
+ { 0x02, "MC1" },
+ { 0x01, "MC0" }
+};
+
+static void pdc_dump_bits(struct pdc_bit_messages *msgs, byte bits)
{
- byte bit = 0, bit1 = 0, bit2 = 0;
+ int i;

- switch(registers) {
- case REG_A:
- printk("A Register ");
- if (value & 0x80) printk("SYNC_IN ");
- if (value & 0x40) printk("ERRDY_EN ");
- if (value & 0x20) printk("IORDY_EN ");
- if (value & 0x10) printk("PREFETCH_EN ");
- if (value & 0x08) { printk("PA3 ");bit2 |= 0x08; }
- if (value & 0x04) { printk("PA2 ");bit2 |= 0x04; }
- if (value & 0x02) { printk("PA1 ");bit2 |= 0x02; }
- if (value & 0x01) { printk("PA0 ");bit2 |= 0x01; }
- printk("PIO(A) = %d ", bit2);
- break;
- case REG_B:
- printk("B Register ");
- if (value & 0x80) { printk("MB2 ");bit1 |= 0x80; }
- if (value & 0x40) { printk("MB1 ");bit1 |= 0x40; }
- if (value & 0x20) { printk("MB0 ");bit1 |= 0x20; }
- printk("DMA(B) = %d ", bit1 >> 5);
- if (value & 0x10) printk("PIO_FORCED/PB4 ");
- if (value & 0x08) { printk("PB3 ");bit2 |= 0x08; }
- if (value & 0x04) { printk("PB2 ");bit2 |= 0x04; }
- if (value & 0x02) { printk("PB1 ");bit2 |= 0x02; }
- if (value & 0x01) { printk("PB0 ");bit2 |= 0x01; }
- printk("PIO(B) = %d ", bit2);
- break;
- case REG_C:
- printk("C Register ");
- if (value & 0x80) printk("DMARQp ");
- if (value & 0x40) printk("IORDYp ");
- if (value & 0x20) printk("DMAR_EN ");
- if (value & 0x10) printk("DMAW_EN ");
-
- if (value & 0x08) { printk("MC3 ");bit2 |= 0x08; }
- if (value & 0x04) { printk("MC2 ");bit2 |= 0x04; }
- if (value & 0x02) { printk("MC1 ");bit2 |= 0x02; }
- if (value & 0x01) { printk("MC0 ");bit2 |= 0x01; }
- printk("DMA(C) = %d ", bit2);
- break;
- case REG_D:
- printk("D Register ");
- break;
- default:
- return;
- }
- printk("\n %s ", (registers & REG_D) ? "DP" :
- (registers & REG_C) ? "CP" :
- (registers & REG_B) ? "BP" :
- (registers & REG_A) ? "AP" : "ERROR");
- for (bit=128;bit>0;bit/=2)
- printk("%s", (value & bit) ? "1" : "0");
- printk("\n");
-}
+ printk(KERN_DEBUG " { ");
+
+ for (i = 0; i < 8; i++, msgs++)
+ if (bits & msgs->mask)
+ printk(KERN_DEBUG "%s ", msgs->msg);

+ printk(KERN_DEBUG " }\n");
+}
#endif /* PDC202XX_DECODE_REGISTER_INFO */

int check_in_drive_lists(struct ata_device *drive)
@@ -222,13 +177,10 @@
byte drive_pci, AP, BP, CP, DP;
byte TA = 0, TB = 0, TC = 0;

- switch (drive->dn) {
- case 0: drive_pci = 0x60; break;
- case 1: drive_pci = 0x64; break;
- case 2: drive_pci = 0x68; break;
- case 3: drive_pci = 0x6c; break;
- default: return -1;
- }
+ if (drive->dn > 3)
+ return -1;
+
+ drive_pci = 0x60 + (drive->dn << 2);

if ((drive->type != ATA_DISK) && (speed < XFER_SW_DMA_0))
return -1;
@@ -245,11 +197,8 @@
/* clear DMA modes of upper 842 bits of B Register */
/* clear PIO forced mode upper 1 bit of B Register */
pci_write_config_byte(dev, (drive_pci)|0x01, BP & ~0xF0);
- pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
-
/* clear DMA modes of lower 8421 bits of C Register */
pci_write_config_byte(dev, (drive_pci)|0x02, CP & ~0x0F);
- pci_read_config_byte(dev, (drive_pci)|0x02, &CP);
}
} else {
#else
@@ -258,14 +207,8 @@
if ((AP & 0x0F) || (BP & 0x07)) {
/* clear PIO modes of lower 8421 bits of A Register */
pci_write_config_byte(dev, (drive_pci), AP & ~0x0F);
- pci_read_config_byte(dev, (drive_pci), &AP);
-
/* clear PIO modes of lower 421 bits of B Register */
pci_write_config_byte(dev, (drive_pci)|0x01, BP & ~0x07);
- pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
-
- pci_read_config_byte(dev, (drive_pci), &AP);
- pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
}
}

@@ -277,17 +220,17 @@
#ifdef CONFIG_BLK_DEV_IDEDMA
/* case XFER_UDMA_6: */
case XFER_UDMA_5:
- case XFER_UDMA_4: TB = 0x20; TC = 0x01; break; /* speed 8 == UDMA mode 4 */
- case XFER_UDMA_3: TB = 0x40; TC = 0x02; break; /* speed 7 == UDMA mode 3 */
- case XFER_UDMA_2: TB = 0x20; TC = 0x01; break; /* speed 6 == UDMA mode 2 */
- case XFER_UDMA_1: TB = 0x40; TC = 0x02; break; /* speed 5 == UDMA mode 1 */
- case XFER_UDMA_0: TB = 0x60; TC = 0x03; break; /* speed 4 == UDMA mode 0 */
- case XFER_MW_DMA_2: TB = 0x60; TC = 0x03; break; /* speed 4 == MDMA mode 2 */
- case XFER_MW_DMA_1: TB = 0x60; TC = 0x04; break; /* speed 3 == MDMA mode 1 */
- case XFER_MW_DMA_0: TB = 0x60; TC = 0x05; break; /* speed 2 == MDMA mode 0 */
- case XFER_SW_DMA_2: TB = 0x60; TC = 0x05; break; /* speed 0 == SDMA mode 2 */
- case XFER_SW_DMA_1: TB = 0x80; TC = 0x06; break; /* speed 1 == SDMA mode 1 */
- case XFER_SW_DMA_0: TB = 0xC0; TC = 0x0B; break; /* speed 0 == SDMA mode 0 */
+ case XFER_UDMA_4: TB = 0x20; TC = 0x01; break;
+ case XFER_UDMA_3: TB = 0x40; TC = 0x02; break;
+ case XFER_UDMA_2: TB = 0x20; TC = 0x01; break;
+ case XFER_UDMA_1: TB = 0x40; TC = 0x02; break;
+ case XFER_UDMA_0: TB = 0x60; TC = 0x03; break;
+ case XFER_MW_DMA_2: TB = 0x60; TC = 0x03; break;
+ case XFER_MW_DMA_1: TB = 0x60; TC = 0x04; break;
+ case XFER_MW_DMA_0: TB = 0x60; TC = 0x05; break;
+ case XFER_SW_DMA_2: TB = 0x60; TC = 0x05; break;
+ case XFER_SW_DMA_1: TB = 0x80; TC = 0x06; break;
+ case XFER_SW_DMA_0: TB = 0xC0; TC = 0x0B; break;
#endif /* CONFIG_BLK_DEV_IDEDMA */
case XFER_PIO_4: TA = 0x01; TB = 0x04; break;
case XFER_PIO_3: TA = 0x02; TB = 0x06; break;
@@ -315,11 +258,18 @@
pci_read_config_byte(dev, (drive_pci)|0x02, &CP);
pci_read_config_byte(dev, (drive_pci)|0x03, &DP);

- decode_registers(REG_A, AP);
- decode_registers(REG_B, BP);
- decode_registers(REG_C, CP);
- decode_registers(REG_D, DP);
-#endif /* PDC202XX_DECODE_REGISTER_INFO */
+ printk(KERN_DEBUG "AP(%x): PIO(A) = %d\n", AP, AP & 0x0f);
+ pdc_dump_bits(pdc_reg_A, AP);
+
+ printk(KERN_DEBUG "BP(%x): DMA(B) = %d PIO(B) = %d\n",
+ BP, (BP & 0xe0) >> 5, BP & 0x0f);
+ pdc_dump_bits(pdc_reg_B, BP);
+
+ printk(KERN_DEBUG "CP(%x): DMA(C) = %d\n", CP, CP & 0x0f);
+ pdc_dump_bits(pdc_reg_C, CP);
+
+ printk(KERN_DEBUG "DP(%x)\n", DP);
+#endif

if (!drive->init_speed)
drive->init_speed = speed;
@@ -352,8 +302,7 @@
unsigned long indexreg = (hwif->dma_base + 1);
unsigned long datareg = (hwif->dma_base + 3);
#else
- struct pci_dev *dev = hwif->pci_dev;
- unsigned long high_16 = pci_resource_start(dev, 4);
+ unsigned long high_16 = pci_resource_start(hwif->pci_dev, 4);
unsigned long indexreg = high_16 + (hwif->unit ? 0x09 : 0x01);
unsigned long datareg = (indexreg + 2);
#endif /* CONFIG_BLK_DEV_IDEDMA */
@@ -473,6 +422,7 @@
}

#ifdef CONFIG_BLK_DEV_IDEDMA
+/* FIXME: split this for old & new chipsets (jumpbit) --bkz */
static int config_chipset_for_dma(struct ata_device *drive, byte udma)
{
struct hd_driveid *id = drive->id;
@@ -483,19 +433,13 @@
unsigned long dma_base = hwif->dma_base;
unsigned long indexreg = dma_base + 1;
unsigned long datareg = dma_base + 3;
- byte iordy = 0x13;
byte adj = (drive->dn%2) ? 0x08 : 0x00;
- byte cable = 0;
byte jumpbit = 0;
unsigned int drive_conf;
- byte drive_pci = 0, mate_pci = 0;
- byte test1, test2, mode = -1;
- byte AP;
- unsigned short EP;
+ byte drive_pci = 0, AP, tmp, mode = -1;
byte CLKSPD = 0;
/* primary - second bit, secondary - fourth bit */
byte mask = hwif->unit ? 0x08 : 0x02;
- unsigned short c_mask = hwif->unit ? (1<<11) : (1<<10);
int map;

byte needs_80w = ((id->dma_ultra & 0x0008) ||
@@ -504,24 +448,14 @@
(id->dma_ultra & 0x0040));

switch(dev->device) {
- case PCI_DEVICE_ID_PROMISE_20275:
- case PCI_DEVICE_ID_PROMISE_20276:
- case PCI_DEVICE_ID_PROMISE_20269:
- case PCI_DEVICE_ID_PROMISE_20268R:
- case PCI_DEVICE_ID_PROMISE_20268:
- OUT_BYTE(0x0b, indexreg);
- cable = ((IN_BYTE(datareg) & 0x04));
- jumpbit = 1;
- break;
case PCI_DEVICE_ID_PROMISE_20267:
case PCI_DEVICE_ID_PROMISE_20265:
case PCI_DEVICE_ID_PROMISE_20262:
- pci_read_config_word(dev, 0x50, &EP);
- cable = (EP & c_mask);
+ case PCI_DEVICE_ID_PROMISE_20246:
jumpbit = 0;
break;
- default:
- cable = 1; jumpbit = 0;
+ default: /* chipsets newer then 20268 */
+ jumpbit = 1;
break;
}

@@ -541,7 +475,7 @@
*/
if (needs_80w) {
/* FIXME: this check is wrong for 20246 --bkz */
- if (cable) {
+ if (!hwif->udma_four) {
printk(KERN_WARNING "%s: channel requires an 80-pin cable.\n", hwif->name);
printk(KERN_WARNING "%s: reduced to UDMA(33) mode.\n", drive->name);
if (!jumpbit)
@@ -563,37 +497,30 @@
}
}

- if (jumpbit) {
- if (drive->type != ATA_DISK)
- return 0;
- if (id->capability & 4) { /* IORDY_EN & PREFETCH_EN */
- set_2regs(iordy, (IN_BYTE(datareg)|0x03));
- }
- goto jumpbit_is_set;
- }
+ if (jumpbit)
+ goto chipset_is_set;

- switch(drive->dn) {
- case 0: drive_pci = 0x60;
- case 2: drive_pci = 0x68;
- pci_read_config_dword(dev, drive_pci, &drive_conf);
- if ((drive_conf != 0x004ff304) && (drive_conf != 0x004ff3c4))
- goto chipset_is_set;
- pci_read_config_byte(dev, drive_pci, &test1);
- if (!(test1 & SYNC_ERRDY_EN))
- pci_write_config_byte(dev, drive_pci, test1|SYNC_ERRDY_EN);
- break;
- case 1: drive_pci = 0x64; mate_pci = 0x60;
- case 3: drive_pci = 0x6c; mate_pci = 0x68;
- pci_read_config_dword(dev, drive_pci, &drive_conf);
- if ((drive_conf != 0x004ff304) && (drive_conf != 0x004ff3c4))
- goto chipset_is_set;
- pci_read_config_byte(dev, mate_pci, &test1);
- pci_read_config_byte(dev, drive_pci, &test2);
- if ((test1 & SYNC_ERRDY_EN) && !(test2 & SYNC_ERRDY_EN))
- pci_write_config_byte(dev, drive_pci, test2|SYNC_ERRDY_EN);
- break;
- default:
- return 0;
+ if (drive->dn > 3) /* FIXME: remove this --bkz */
+ return 0;
+
+ drive_pci = 0x60 + (drive->dn << 2);
+ pci_read_config_dword(dev, drive_pci, &drive_conf);
+ if ((drive_conf != 0x004ff304) && (drive_conf != 0x004ff3c4))
+ goto chipset_is_set;
+
+ /* FIXME: what if SYNC_ERRDY is enabled for slave
+ and disabled for master? --bkz */
+ pci_read_config_byte(dev, drive_pci, &AP);
+ if (!(AP & SYNC_ERRDY_EN)) {
+ if (drive->dn == 0 || drive->dn == 2) {
+ /* enable SYNC_ERRDY for master */
+ pci_write_config_byte(dev, drive_pci, AP|SYNC_ERRDY_EN);
+ } else {
+ /* enable SYNC_ERRDY for slave if enabled for master */
+ pci_read_config_byte(dev, drive_pci - 4, &tmp);
+ if (tmp & SYNC_ERRDY_EN)
+ pci_write_config_byte(dev, drive_pci, AP|SYNC_ERRDY_EN);
+ }
}

chipset_is_set:
@@ -601,14 +528,18 @@
if (drive->type != ATA_DISK)
return 0;

- pci_read_config_byte(dev, (drive_pci), &AP);
- if (id->capability & 4) /* IORDY_EN */
- pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN);
- pci_read_config_byte(dev, (drive_pci), &AP);
- if (drive->type == ATA_DISK) /* PREFETCH_EN */
- pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN);
-
-jumpbit_is_set:
+ if (jumpbit) {
+ if (id->capability & 4) { /* IORDY_EN & PREFETCH_EN */
+ set_2regs(0x13, (IN_BYTE(datareg)|0x03));
+ }
+ } else {
+ pci_read_config_byte(dev, drive_pci, &AP);
+ if (id->capability & 4) /* IORDY_EN */
+ pci_write_config_byte(dev, drive_pci, AP|IORDY_EN);
+ pci_read_config_byte(dev, drive_pci, &AP);
+ if (drive->type == ATA_DISK) /* PREFETCH_EN */
+ pci_write_config_byte(dev, drive_pci, AP|PREFETCH_EN);
+ }

if (udma) {
map = pdc202xx_ratemask(drive);
@@ -688,24 +619,13 @@

static int pdc202xx_udma_start(struct ata_device *drive, struct request *rq)
{
- u8 lba48hack = 0, clock = 0;
struct ata_channel *ch = drive->channel;
- struct pci_dev *dev = ch->pci_dev;
- unsigned long high_16 = pci_resource_start(dev, 4);
- unsigned long atapi_reg = high_16 + (ch->unit ? 0x24 : 0x00);
+ unsigned long high_16 = pci_resource_start(ch->pci_dev, 4);
+ unsigned long atapi_reg = high_16 + (ch->unit ? 0x24 : 0x00);

- switch (dev->device) {
- case PCI_DEVICE_ID_PROMISE_20267:
- case PCI_DEVICE_ID_PROMISE_20265:
- case PCI_DEVICE_ID_PROMISE_20262:
- lba48hack = 1;
- clock = IN_BYTE(high_16 + 0x11);
- default:
- break;
- }
-
- if (drive->addressing && lba48hack) {
+ if (drive->addressing) {
unsigned long word_count = 0;
+ u8 clock = IN_BYTE(high_16 + 0x11);

outb(clock|(ch->unit ? 0x08 : 0x02), high_16 + 0x11);
word_count = (rq->nr_sectors << 8);
@@ -725,26 +645,13 @@

int pdc202xx_udma_stop(struct ata_device *drive)
{
- u8 lba48hack = 0, clock = 0;
struct ata_channel *ch = drive->channel;
- struct pci_dev *dev = ch->pci_dev;
- unsigned long high_16 = pci_resource_start(dev, 4);
+ unsigned long high_16 = pci_resource_start(ch->pci_dev, 4);
unsigned long atapi_reg = high_16 + (ch->unit ? 0x24 : 0x00);
unsigned long dma_base = ch->dma_base;
- u8 dma_stat;
+ u8 dma_stat, clock;

- switch (dev->device) {
- case PCI_DEVICE_ID_PROMISE_20267:
- case PCI_DEVICE_ID_PROMISE_20265:
- case PCI_DEVICE_ID_PROMISE_20262:
- lba48hack = 1;
- /* FIXME: why do we need this here --bkz */
- clock = IN_BYTE(high_16 + 0x11);
- default:
- break;
- }
-
- if (drive->addressing && lba48hack) {
+ if (drive->addressing) {
outl(0, atapi_reg); /* zero out extra */
clock = IN_BYTE(high_16 + 0x11);
OUT_BYTE(clock & ~(ch->unit ? 0x08:0x02), high_16 + 0x11);
@@ -762,34 +669,10 @@
static int pdc202xx_udma_irq_status(struct ata_device *drive)
{
struct ata_channel *ch = drive->channel;
- u8 dma_stat = 0;
- u8 sc1d = 0;
- u8 newchip = 0;
- u8 clock = 0;
- struct pci_dev *dev = ch->pci_dev;
- unsigned long high_16 = pci_resource_start(dev, 4);
- unsigned long dma_base = ch->dma_base;
-
- switch (dev->device) {
- case PCI_DEVICE_ID_PROMISE_20275:
- case PCI_DEVICE_ID_PROMISE_20276:
- case PCI_DEVICE_ID_PROMISE_20269:
- case PCI_DEVICE_ID_PROMISE_20268R:
- case PCI_DEVICE_ID_PROMISE_20268:
- newchip = 1;
- break;
- case PCI_DEVICE_ID_PROMISE_20267:
- case PCI_DEVICE_ID_PROMISE_20265:
- case PCI_DEVICE_ID_PROMISE_20262:
- /* FIXME: why do we need this here --bkz */
- clock = IN_BYTE(high_16 + 0x11);
- default:
- break;
- }
+ unsigned long high_16 = pci_resource_start(ch->pci_dev, 4);
+ u8 dma_stat, sc1d;

- dma_stat = IN_BYTE(dma_base + 2);
- if (newchip)
- return (dma_stat & 4) == 4;
+ dma_stat = IN_BYTE(ch->dma_base + 2);

sc1d = IN_BYTE(high_16 + 0x001d);
if (ch->unit) {
@@ -838,6 +721,7 @@
drive->channel->unit ? "Secondary" : "Primary");
}

+/* FIXME: should be splited for old & new chipsets --bkz */
static unsigned int __init pdc202xx_init_chipset(struct pci_dev *dev)
{
unsigned long high_16 = pci_resource_start(dev, 4);
@@ -877,6 +761,8 @@
set_reg_and_wait(udma_speed_flag & ~0x10, high_16 + 0x001f, 2000); /* 2 seconds ?! */
break;
default:
+ /* FIXME: only checked for 20246 - is this right?,
+ if it is needed it should go to ide-pci --bkz */
if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) {
byte irq = 0, irq2 = 0;
pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
@@ -949,6 +835,15 @@
case PCI_DEVICE_ID_PROMISE_20265:
case PCI_DEVICE_ID_PROMISE_20262:
hwif->resetproc = &pdc202xx_reset;
+#ifdef CONFIG_BLK_DEV_IDEDMA
+ /* we need special functions for lba48 */
+ if (hwif->dma_base) {
+ hwif->udma_start = pdc202xx_udma_start;
+ hwif->udma_stop = pdc202xx_udma_stop;
+ hwif->udma_irq_status = pdc202xx_udma_irq_status;
+ }
+#endif
+ /* FIXME: check whether 20246 works with lba48 --bkz */
case PCI_DEVICE_ID_PROMISE_20246:
hwif->speedproc = &pdc202xx_tune_chipset;
default:
@@ -957,9 +852,6 @@

#ifdef CONFIG_BLK_DEV_IDEDMA
if (hwif->dma_base) {
- hwif->udma_start = pdc202xx_udma_start;
- hwif->udma_stop = pdc202xx_udma_stop;
- hwif->udma_irq_status = pdc202xx_udma_irq_status;
hwif->udma_irq_lost = pdc202xx_bug;
hwif->udma_timeout = pdc202xx_bug;
hwif->XXX_udma = pdc202xx_dmaproc;
diff -urN linux-2.5.18/drivers/ide/pdc4030.c linux/drivers/ide/pdc4030.c
--- linux-2.5.18/drivers/ide/pdc4030.c 2002-05-25 03:55:21.000000000 +0200
+++ linux/drivers/ide/pdc4030.c 2002-05-27 15:03:08.000000000 +0200
@@ -342,7 +342,7 @@
outb(0x14, IDE_SELECT_REG);
outb(PROMISE_EXTENDED_COMMAND, IDE_COMMAND_REG);

- ide_delay_50ms();
+ mdelay(50);

if (inb(IDE_ERROR_REG) == 'P' &&
inb(IDE_NSECTOR_REG) == 'T' &&
diff -urN linux-2.5.18/drivers/ide/q40ide.c linux/drivers/ide/q40ide.c
--- linux-2.5.18/drivers/ide/q40ide.c 2002-05-25 03:55:27.000000000 +0200
+++ linux/drivers/ide/q40ide.c 2002-05-27 16:07:08.000000000 +0200
@@ -82,10 +82,10 @@
for (i = 0; i < Q40IDE_NUM_HWIFS; i++) {
hw_regs_t hw;

- ide_setup_ports(&hw,(ide_ioreg_t) pcide_bases[i], (int *)pcide_offsets,
- pcide_bases[i]+0x206,
+ ide_setup_ports(&hw,(ide_ioreg_t) pcide_bases[i], (int *)pcide_offsets,
+ pcide_bases[i] + 0x206,
0, NULL, q40ide_default_irq(pcide_bases[i]));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
}

diff -urN linux-2.5.18/drivers/ide/rapide.c linux/drivers/ide/rapide.c
--- linux-2.5.18/drivers/ide/rapide.c 2002-05-25 03:55:22.000000000 +0200
+++ linux/drivers/ide/rapide.c 2002-05-27 16:06:08.000000000 +0200
@@ -41,7 +41,7 @@
hw.io_ports[IDE_CONTROL_OFFSET] = port + 0x206;
hw.irq = ec->irq;

- return ide_register_hw(&hw, NULL);
+ return ide_register_hw(&hw);
}

int __init rapide_init(void)
diff -urN linux-2.5.18/drivers/ide/serverworks.c linux/drivers/ide/serverworks.c
--- linux-2.5.18/drivers/ide/serverworks.c 2002-05-25 03:55:27.000000000 +0200
+++ linux/drivers/ide/serverworks.c 2002-05-28 10:28:49.000000000 +0200
@@ -98,7 +98,7 @@
#undef DISPLAY_SVWKS_TIMINGS
#undef SVWKS_DEBUG_DRIVE_INFO

-static u8 svwks_revision = 0;
+static u8 svwks_revision;

#if defined(DISPLAY_SVWKS_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
@@ -230,12 +230,13 @@
((reg40&0x005D0000)==0x005D0000)?"0":"?");
return p-buffer; /* => must be less than 4k! */
}
+
+static byte svwks_proc;
+
#endif /* defined(DISPLAY_SVWKS_TIMINGS) && defined(CONFIG_PROC_FS) */

#define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */

-byte svwks_proc = 0;
-
extern char *ide_xfer_verbose (byte xfer_rate);

static struct pci_dev *isa_dev;
@@ -262,7 +263,6 @@

static int svwks_tune_chipset(struct ata_device *drive, byte speed)
{
- static u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
static u8 dma_modes[] = { 0x77, 0x21, 0x20 };
static u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };

@@ -271,26 +271,23 @@
byte unit = (drive->select.b.unit & 0x01);
byte csb5 = (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ? 1 : 0;

- byte drive_pci = 0x00;
- byte drive_pci2 = 0x00;
- byte drive_pci3 = hwif->unit ? 0x57 : 0x56;
-
- byte ultra_enable = 0x00;
- byte ultra_timing = 0x00;
- byte dma_timing = 0x00;
- byte pio_timing = 0x00;
- unsigned short csb5_pio = 0x00;
+ byte drive_pci, drive_pci2;
+ byte drive_pci3 = hwif->unit ? 0x57 : 0x56;
+
+ byte ultra_enable, ultra_timing, dma_timing, pio_timing;
+ unsigned short csb5_pio;

byte pio = ata_timing_mode(drive, XFER_PIO | XFER_EPIO) - XFER_PIO_0;

switch (drive->dn) {
- case 0: drive_pci = 0x41; drive_pci2 = 0x45; break;
- case 1: drive_pci = 0x40; drive_pci2 = 0x44; break;
- case 2: drive_pci = 0x43; drive_pci2 = 0x47; break;
- case 3: drive_pci = 0x42; drive_pci2 = 0x46; break;
+ case 0: drive_pci = 0x41; break;
+ case 1: drive_pci = 0x40; break;
+ case 2: drive_pci = 0x43; break;
+ case 3: drive_pci = 0x42; break;
default:
return -1;
}
+ drive_pci2 = drive_pci + 4;

pci_read_config_byte(dev, drive_pci, &pio_timing);
pci_read_config_byte(dev, drive_pci2, &dma_timing);
@@ -337,7 +334,7 @@
pio_timing |= pio_modes[pio];
csb5_pio |= (pio << (4*drive->dn));
dma_timing |= dma_modes[2];
- ultra_timing |= ((udma_modes[speed - XFER_UDMA_0]) << (4*unit));
+ ultra_timing |= ((speed - XFER_UDMA_0) << (4*unit));
ultra_enable |= (0x01 << drive->dn);
#endif
default:
diff -urN linux-2.5.18/drivers/macintosh/mediabay.c linux/drivers/macintosh/mediabay.c
--- linux-2.5.18/drivers/macintosh/mediabay.c 2002-05-28 17:15:53.000000000 +0200
+++ linux/drivers/macintosh/mediabay.c 2002-05-27 16:07:38.000000000 +0200
@@ -569,7 +569,7 @@
pmu_suspend();
ide_init_hwif_ports(&hw, (ide_ioreg_t) bay->cd_base, (ide_ioreg_t) 0, NULL);
hw.irq = bay->cd_irq;
- bay->cd_index = ide_register_hw(&hw, NULL);
+ bay->cd_index = ide_register_hw(&hw);
pmu_resume();
}
if (bay->cd_index == -1) {
diff -urN linux-2.5.18/include/asm-alpha/ide.h linux/include/asm-alpha/ide.h
--- linux-2.5.18/include/asm-alpha/ide.h 2002-05-25 03:55:23.000000000 +0200
+++ linux/include/asm-alpha/ide.h 2002-05-27 16:10:37.000000000 +0200
@@ -77,7 +77,7 @@
for (index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-arm/arch-anakin/ide.h linux/include/asm-arm/arch-anakin/ide.h
--- linux-2.5.18/include/asm-arm/arch-anakin/ide.h 2002-05-25 03:55:17.000000000 +0200
+++ linux/include/asm-arm/arch-anakin/ide.h 2002-05-27 16:09:24.000000000 +0200
@@ -29,9 +29,9 @@
hw->io_ports[i] = reg;
reg += regincr;
}
-
+
hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;
-
+
if (irq)
*irq = 0;
}
@@ -46,10 +46,10 @@
{
hw_regs_t hw;

- ide_init_hwif_ports(&hw, IO_BASE + COMPACTFLASH,
- IO_BASE + COMPACTFLASH + IDE_CONTROL_OFFSET, NULL);
+ ide_init_hwif_ports(&hw, IO_BASE + COMPACTFLASH,
+ IO_BASE + COMPACTFLASH + IDE_CONTROL_OFFSET, NULL);
hw.irq = IRQ_COMPACTFLASH;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}


diff -urN linux-2.5.18/include/asm-arm/arch-arc/ide.h linux/include/asm-arm/arch-arc/ide.h
--- linux-2.5.18/include/asm-arm/arch-arc/ide.h 2002-05-25 03:55:22.000000000 +0200
+++ linux/include/asm-arm/arch-arc/ide.h 2002-05-27 16:09:47.000000000 +0200
@@ -50,6 +50,6 @@

ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
hw.irq = IRQ_HARDDISK;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
}
diff -urN linux-2.5.18/include/asm-arm/arch-cl7500/ide.h linux/include/asm-arm/arch-cl7500/ide.h
--- linux-2.5.18/include/asm-arm/arch-cl7500/ide.h 2002-05-25 03:55:27.000000000 +0200
+++ linux/include/asm-arm/arch-cl7500/ide.h 2002-05-27 16:10:04.000000000 +0200
@@ -43,8 +43,8 @@
ide_init_default_hwifs(void)
{
hw_regs_t hw;
-
+
ide_init_hwif_ports(&hw, ISASLOT_IO + 0x1f0, ISASLOT_IO + 0x3f6, NULL);
- hw.irq = IRQ_ISA_14;
- ide_register_hw(&hw, NULL);
+ hw.irq = IRQ_ISA_14;
+ ide_register_hw(&hw);
}
diff -urN linux-2.5.18/include/asm-arm/arch-ebsa285/ide.h linux/include/asm-arm/arch-ebsa285/ide.h
--- linux-2.5.18/include/asm-arm/arch-ebsa285/ide.h 2002-05-25 03:55:29.000000000 +0200
+++ linux/include/asm-arm/arch-ebsa285/ide.h 2002-05-27 16:09:38.000000000 +0200
@@ -44,6 +44,6 @@

ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
hw.irq = IRQ_HARDDISK;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
#endif
}
diff -urN linux-2.5.18/include/asm-arm/arch-rpc/ide.h linux/include/asm-arm/arch-rpc/ide.h
--- linux-2.5.18/include/asm-arm/arch-rpc/ide.h 2002-05-25 03:55:25.000000000 +0200
+++ linux/include/asm-arm/arch-rpc/ide.h 2002-05-27 16:09:00.000000000 +0200
@@ -44,5 +44,5 @@

ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
hw.irq = IRQ_HARDDISK;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
diff -urN linux-2.5.18/include/asm-arm/arch-sa1100/ide.h linux/include/asm-arm/arch-sa1100/ide.h
--- linux-2.5.18/include/asm-arm/arch-sa1100/ide.h 2002-05-25 03:55:18.000000000 +0200
+++ linux/include/asm-arm/arch-sa1100/ide.h 2002-05-27 16:08:52.000000000 +0200
@@ -84,10 +84,10 @@
doesn't match the silkscreen however. */
ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x40, PCMCIA_IO_0_BASE + 0x78, NULL);
hw.irq = EMPEG_IRQ_IDE2;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x00, PCMCIA_IO_0_BASE + 0x38, NULL);
hw.irq = ,EMPEG_IRQ_IDE1;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
#endif
}

@@ -104,7 +104,7 @@

ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x1f0, PCMCIA_IO_0_BASE + 0x3f6, NULL);
hw.irq = IRQ_GPIO7;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
#endif
}
else if (machine_is_lart()) {
@@ -114,14 +114,14 @@
/* Enable GPIO as interrupt line */
GPDR &= ~LART_GPIO_IDE;
set_irq_type(LART_IRQ_IDE, IRQT_RISING);
-
+
/* set PCMCIA interface timing */
MECR = 0x00060006;

/* init the interface */
ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL);
hw.irq = LART_IRQ_IDE;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
#endif
}
}
diff -urN linux-2.5.18/include/asm-arm/arch-shark/ide.h linux/include/asm-arm/arch-shark/ide.h
--- linux-2.5.18/include/asm-arm/arch-shark/ide.h 2002-05-25 03:55:29.000000000 +0200
+++ linux/include/asm-arm/arch-shark/ide.h 2002-05-27 16:10:11.000000000 +0200
@@ -42,6 +42,6 @@

ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
hw.irq = 14;
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}

diff -urN linux-2.5.18/include/asm-cris/ide.h linux/include/asm-cris/ide.h
--- linux-2.5.18/include/asm-cris/ide.h 2002-05-25 03:55:20.000000000 +0200
+++ linux/include/asm-cris/ide.h 2002-05-27 16:10:54.000000000 +0200
@@ -84,7 +84,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
}

diff -urN linux-2.5.18/include/asm-i386/ide.h linux/include/asm-i386/ide.h
--- linux-2.5.18/include/asm-i386/ide.h 2002-05-25 03:55:19.000000000 +0200
+++ linux/include/asm-i386/ide.h 2002-05-28 11:29:24.000000000 +0200
@@ -41,16 +41,9 @@

static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
- switch (index) {
- case 0: return 0x1f0;
- case 1: return 0x170;
- case 2: return 0x1e8;
- case 3: return 0x168;
- case 4: return 0x1e0;
- case 5: return 0x160;
- default:
- return 0;
- }
+ static unsigned long ata_io_base[MAX_HWIFS] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
+
+ return ata_io_base[index];
}

static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
@@ -81,7 +74,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-ia64/ide.h linux/include/asm-ia64/ide.h
--- linux-2.5.18/include/asm-ia64/ide.h 2002-05-25 03:55:28.000000000 +0200
+++ linux/include/asm-ia64/ide.h 2002-05-27 16:08:01.000000000 +0200
@@ -87,7 +87,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-mips/ide.h linux/include/asm-mips/ide.h
--- linux-2.5.18/include/asm-mips/ide.h 2002-05-25 03:55:20.000000000 +0200
+++ linux/include/asm-mips/ide.h 2002-05-27 16:10:17.000000000 +0200
@@ -60,7 +60,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-mips64/ide.h linux/include/asm-mips64/ide.h
--- linux-2.5.18/include/asm-mips64/ide.h 2002-05-25 03:55:17.000000000 +0200
+++ linux/include/asm-mips64/ide.h 2002-05-27 16:11:03.000000000 +0200
@@ -63,7 +63,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-parisc/ide.h linux/include/asm-parisc/ide.h
--- linux-2.5.18/include/asm-parisc/ide.h 2002-05-25 03:55:24.000000000 +0200
+++ linux/include/asm-parisc/ide.h 2002-05-27 16:10:23.000000000 +0200
@@ -76,7 +76,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-ppc/ide.h linux/include/asm-ppc/ide.h
--- linux-2.5.18/include/asm-ppc/ide.h 2002-05-25 03:55:24.000000000 +0200
+++ linux/include/asm-ppc/ide.h 2002-05-27 16:08:17.000000000 +0200
@@ -100,7 +100,7 @@
continue;
ide_init_hwif_ports(&hw, base, 0, NULL);
hw.irq = ide_default_irq(base);
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-sh/ide.h linux/include/asm-sh/ide.h
--- linux-2.5.18/include/asm-sh/ide.h 2002-05-25 03:55:22.000000000 +0200
+++ linux/include/asm-sh/ide.h 2002-05-27 16:11:09.000000000 +0200
@@ -102,7 +102,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-sparc/ide.h linux/include/asm-sparc/ide.h
--- linux-2.5.18/include/asm-sparc/ide.h 2002-05-25 03:55:27.000000000 +0200
+++ linux/include/asm-sparc/ide.h 2002-05-27 16:10:48.000000000 +0200
@@ -68,7 +68,7 @@
for (index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-sparc64/ide.h linux/include/asm-sparc64/ide.h
--- linux-2.5.18/include/asm-sparc64/ide.h 2002-05-25 03:55:24.000000000 +0200
+++ linux/include/asm-sparc64/ide.h 2002-05-27 16:10:31.000000000 +0200
@@ -64,7 +64,7 @@
for (index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/asm-x86_64/ide.h linux/include/asm-x86_64/ide.h
--- linux-2.5.18/include/asm-x86_64/ide.h 2002-05-25 03:55:26.000000000 +0200
+++ linux/include/asm-x86_64/ide.h 2002-05-28 11:29:19.000000000 +0200
@@ -41,16 +41,9 @@

static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
- switch (index) {
- case 0: return 0x1f0;
- case 1: return 0x170;
- case 2: return 0x1e8;
- case 3: return 0x168;
- case 4: return 0x1e0;
- case 5: return 0x160;
- default:
- return 0;
- }
+ static unsigned long ata_io_base[MAX_HWIFS] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
+
+ return ata_io_base[index];
}

static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
@@ -81,7 +74,7 @@
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
- ide_register_hw(&hw, NULL);
+ ide_register_hw(&hw);
}
#endif
}
diff -urN linux-2.5.18/include/linux/ide.h linux/include/linux/ide.h
--- linux-2.5.18/include/linux/ide.h 2002-05-28 17:15:53.000000000 +0200
+++ linux/include/linux/ide.h 2002-05-28 12:44:03.000000000 +0200
@@ -71,18 +71,20 @@
/*
* Definitions for accessing IDE controller registers
*/
-#define IDE_NR_PORTS (10)

-#define IDE_DATA_OFFSET (0)
-#define IDE_ERROR_OFFSET (1)
-#define IDE_NSECTOR_OFFSET (2)
-#define IDE_SECTOR_OFFSET (3)
-#define IDE_LCYL_OFFSET (4)
-#define IDE_HCYL_OFFSET (5)
-#define IDE_SELECT_OFFSET (6)
-#define IDE_STATUS_OFFSET (7)
-#define IDE_CONTROL_OFFSET (8)
-#define IDE_IRQ_OFFSET (9)
+enum {
+ IDE_DATA_OFFSET = 0,
+ IDE_ERROR_OFFSET = 1,
+ IDE_NSECTOR_OFFSET = 2,
+ IDE_SECTOR_OFFSET = 3,
+ IDE_LCYL_OFFSET = 4,
+ IDE_HCYL_OFFSET = 5,
+ IDE_SELECT_OFFSET = 6,
+ IDE_STATUS_OFFSET = 7,
+ IDE_CONTROL_OFFSET = 8,
+ IDE_IRQ_OFFSET = 9,
+ IDE_NR_PORTS = 10
+};

#define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET
#define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET
@@ -549,7 +551,7 @@
/*
* Register new hardware with ide
*/
-extern int ide_register_hw(hw_regs_t *hw, struct ata_channel **hwifp);
+extern int ide_register_hw(hw_regs_t *hw);
extern void ide_unregister(struct ata_channel *hwif);

struct ata_taskfile;
@@ -759,8 +761,6 @@
extern int ide_raw_taskfile(struct ata_device *, struct ata_taskfile *);
extern int ide_cmd_ioctl(struct ata_device *drive, unsigned long arg);

-void ide_delay_50ms(void);
-
extern void ide_fix_driveid(struct hd_driveid *id);
extern int ide_driveid_update(struct ata_device *);
extern int ide_config_drive_speed(struct ata_device *, byte);

--------------010909020108080101080708--

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