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path: root/drivers/ide/pci/serverworks.c
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Diffstat (limited to 'drivers/ide/pci/serverworks.c')
-rw-r--r--drivers/ide/pci/serverworks.c105
1 files changed, 51 insertions, 54 deletions
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index ed04e0c8dd4c..9fead2e7d4c8 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/serverworks.c Version 0.20 Jun 3 2007
+ * linux/drivers/ide/pci/serverworks.c Version 0.22 Jun 27 2007
*
* Copyright (C) 1998-2000 Michel Aubry
* Copyright (C) 1998-2000 Andrzej Krzysztofowicz
@@ -123,23 +123,45 @@ static u8 svwks_csb_check (struct pci_dev *dev)
}
return 0;
}
+
+static void svwks_tune_pio(ide_drive_t *drive, const u8 pio)
+{
+ static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
+ static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
+
+ struct pci_dev *dev = drive->hwif->pci_dev;
+
+ pci_write_config_byte(dev, drive_pci[drive->dn], pio_modes[pio]);
+
+ if (svwks_csb_check(dev)) {
+ u16 csb_pio = 0;
+
+ pci_read_config_word(dev, 0x4a, &csb_pio);
+
+ csb_pio &= ~(0x0f << (4 * drive->dn));
+ csb_pio |= (pio << (4 * drive->dn));
+
+ pci_write_config_word(dev, 0x4a, csb_pio);
+ }
+}
+
static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
static const u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
static const u8 dma_modes[] = { 0x77, 0x21, 0x20 };
- static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
- static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
static const u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 };
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 speed = ide_rate_filter(drive, xferspeed);
- u8 pio = ide_get_best_pio_mode(drive, 255, 4, NULL);
u8 unit = (drive->select.b.unit & 0x01);
- u8 csb5 = svwks_csb_check(dev);
- u8 ultra_enable = 0, ultra_timing = 0;
- u8 dma_timing = 0, pio_timing = 0;
- u16 csb5_pio = 0;
+
+ u8 ultra_enable = 0, ultra_timing = 0, dma_timing = 0;
+
+ if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
+ svwks_tune_pio(drive, speed - XFER_PIO_0);
+ return ide_config_drive_speed(drive, speed);
+ }
/* If we are about to put a disk into UDMA mode we screwed up.
Our code assumes we never _ever_ do this on an OSB4 */
@@ -149,31 +171,15 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
BUG();
pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing);
- pci_read_config_word(dev, 0x4A, &csb5_pio);
pci_read_config_byte(dev, 0x54, &ultra_enable);
ultra_timing &= ~(0x0F << (4*unit));
ultra_enable &= ~(0x01 << drive->dn);
- csb5_pio &= ~(0x0F << (4*drive->dn));
switch(speed) {
- case XFER_PIO_4:
- case XFER_PIO_3:
- case XFER_PIO_2:
- case XFER_PIO_1:
- case XFER_PIO_0:
- pio_timing |= pio_modes[speed - XFER_PIO_0];
- csb5_pio |= ((speed - XFER_PIO_0) << (4*drive->dn));
- break;
-
case XFER_MW_DMA_2:
case XFER_MW_DMA_1:
case XFER_MW_DMA_0:
- /*
- * TODO: always setup PIO mode so this won't be needed
- */
- pio_timing |= pio_modes[pio];
- csb5_pio |= (pio << (4*drive->dn));
dma_timing |= dma_modes[speed - XFER_MW_DMA_0];
break;
@@ -183,11 +189,6 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
case XFER_UDMA_2:
case XFER_UDMA_1:
case XFER_UDMA_0:
- /*
- * TODO: always setup PIO mode so this won't be needed
- */
- 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_enable |= (0x01 << drive->dn);
@@ -195,10 +196,6 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
break;
}
- pci_write_config_byte(dev, drive_pci[drive->dn], pio_timing);
- if (csb5)
- pci_write_config_word(dev, 0x4A, csb5_pio);
-
pci_write_config_byte(dev, drive_pci2[drive->dn], dma_timing);
pci_write_config_byte(dev, (0x56|hwif->channel), ultra_timing);
pci_write_config_byte(dev, 0x54, ultra_enable);
@@ -208,8 +205,9 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
static void svwks_tune_drive (ide_drive_t *drive, u8 pio)
{
- pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
- (void)svwks_tune_chipset(drive, XFER_PIO_0 + pio);
+ pio = ide_get_best_pio_mode(drive, pio, 4);
+ svwks_tune_pio(drive, pio);
+ (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio);
}
static int svwks_config_drive_xfer_rate (ide_drive_t *drive)
@@ -389,8 +387,6 @@ static u8 __devinit ata66_svwks(ide_hwif_t *hwif)
static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
{
- u8 dma_stat = 0;
-
if (!hwif->irq)
hwif->irq = hwif->channel ? 15 : 14;
@@ -407,11 +403,11 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
hwif->autodma = 0;
- if (!hwif->dma_base) {
- hwif->drives[0].autotune = 1;
- hwif->drives[1].autotune = 1;
+ hwif->drives[0].autotune = 1;
+ hwif->drives[1].autotune = 1;
+
+ if (!hwif->dma_base)
return;
- }
hwif->ide_dma_check = &svwks_config_drive_xfer_rate;
if (hwif->pci_dev->device != PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
@@ -421,11 +417,7 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
if (!noautodma)
hwif->autodma = 1;
- dma_stat = inb(hwif->dma_status);
- hwif->drives[0].autodma = (dma_stat & 0x20);
- hwif->drives[1].autodma = (dma_stat & 0x40);
- hwif->drives[0].autotune = (!(dma_stat & 0x20));
- hwif->drives[1].autotune = (!(dma_stat & 0x40));
+ hwif->drives[0].autodma = hwif->drives[1].autodma = 1;
}
static int __devinit init_setup_svwks (struct pci_dev *dev, ide_pci_device_t *d)
@@ -441,9 +433,12 @@ static int __devinit init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
d->bootable = ON_BOARD;
}
- d->channels = ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE ||
- dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) &&
- (!(PCI_FUNC(dev->devfn) & 1))) ? 1 : 2;
+ if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE ||
+ dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) &&
+ (!(PCI_FUNC(dev->devfn) & 1)))
+ d->host_flags |= IDE_HFLAG_SINGLE;
+ else
+ d->host_flags &= ~IDE_HFLAG_SINGLE;
return ide_setup_pci_device(dev, d);
}
@@ -454,41 +449,43 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
.init_setup = init_setup_svwks,
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .channels = 2,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .pio_mask = ATA_PIO4,
},{ /* 1 */
.name = "SvrWks CSB5",
.init_setup = init_setup_svwks,
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .channels = 2,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .pio_mask = ATA_PIO4,
},{ /* 2 */
.name = "SvrWks CSB6",
.init_setup = init_setup_csb6,
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .channels = 2,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .pio_mask = ATA_PIO4,
},{ /* 3 */
.name = "SvrWks CSB6",
.init_setup = init_setup_csb6,
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .channels = 1, /* 2 */
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_SINGLE,
+ .pio_mask = ATA_PIO4,
},{ /* 4 */
.name = "SvrWks HT1000",
.init_setup = init_setup_svwks,
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .channels = 1, /* 2 */
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_SINGLE,
+ .pio_mask = ATA_PIO4,
}
};
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-10 01:42:26 +0000