u8 rev_max;
u16 flags;
} via_isa_bridges[] = {
- { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+ { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, VIA_UDMA_133 |
+ VIA_BAD_AST | VIA_SATA_PATA },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA },
return -ENOENT;
}
- return ata_std_prereset(link, deadline);
+ return ata_sff_prereset(link, deadline);
}
/**
- * via_error_handler - reset for VIA chips
- * @ap: ATA port
- *
- * Handle the reset callback for the later chips with cable detect
- */
-
-static void via_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, via_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-/**
* via_do_set_mode - set initial PIO mode data
* @ap: ATA interface
* @adev: ATA device
pci_read_config_byte(pdev, 0x4C, &setup);
setup &= ~(3 << shift);
- setup |= FIT(t.setup, 1, 4) << shift; /* 1,4 or 1,4 - 1 FIXME */
+ setup |= clamp_val(t.setup, 1, 4) << shift; /* 1,4 or 1,4 - 1 FIXME */
pci_write_config_byte(pdev, 0x4C, setup);
}
/* Load the PIO mode bits */
pci_write_config_byte(pdev, 0x4F - ap->port_no,
- ((FIT(t.act8b, 1, 16) - 1) << 4) | (FIT(t.rec8b, 1, 16) - 1));
+ ((clamp_val(t.act8b, 1, 16) - 1) << 4) | (clamp_val(t.rec8b, 1, 16) - 1));
pci_write_config_byte(pdev, 0x48 + offset,
- ((FIT(t.active, 1, 16) - 1) << 4) | (FIT(t.recover, 1, 16) - 1));
+ ((clamp_val(t.active, 1, 16) - 1) << 4) | (clamp_val(t.recover, 1, 16) - 1));
/* Load the UDMA bits according to type */
switch(udma_type) {
/* BUG() ? */
/* fall through */
case 33:
- ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 5) - 2)) : 0x03;
+ ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 5) - 2)) : 0x03;
break;
case 66:
- ut = t.udma ? (0xe8 | (FIT(t.udma, 2, 9) - 2)) : 0x0f;
+ ut = t.udma ? (0xe8 | (clamp_val(t.udma, 2, 9) - 2)) : 0x0f;
break;
case 100:
- ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 9) - 2)) : 0x07;
+ ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 9) - 2)) : 0x07;
break;
case 133:
- ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 9) - 2)) : 0x07;
+ ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 9) - 2)) : 0x07;
break;
}
via_do_set_mode(ap, adev, adev->dma_mode, tclock[mode], set_ast, udma[mode]);
}
+/**
+ * via_tf_load - send taskfile registers to host controller
+ * @ap: Port to which output is sent
+ * @tf: ATA taskfile register set
+ *
+ * Outputs ATA taskfile to standard ATA host controller.
+ *
+ * Note: This is to fix the internal bug of via chipsets, which
+ * will reset the device register after changing the IEN bit on
+ * ctl register
+ */
+static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
+{
+ struct ata_taskfile tmp_tf;
+
+ if (ap->ctl != ap->last_ctl && !(tf->flags & ATA_TFLAG_DEVICE)) {
+ tmp_tf = *tf;
+ tmp_tf.flags |= ATA_TFLAG_DEVICE;
+ tf = &tmp_tf;
+ }
+ ata_sff_tf_load(ap, tf);
+}
+
static struct scsi_host_template via_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
.cable_detect = via_cable_detect,
.set_piomode = via_set_piomode,
.set_dmamode = via_set_dmamode,
- .error_handler = via_error_handler,
+ .prereset = via_pre_reset,
+ .sff_tf_load = via_tf_load,
};
static struct ata_port_operations via_port_ops_noirq = {
.inherits = &via_port_ops,
- .data_xfer = ata_data_xfer_noirq,
+ .sff_data_xfer = ata_sff_data_xfer_noirq,
};
/**
.udma_mask = ATA_UDMA6, /* FIXME: should check north bridge */
.port_ops = &via_port_ops
};
- struct ata_port_info type;
- const struct ata_port_info *ppi[] = { &type, NULL };
+ const struct ata_port_info *ppi[] = { NULL, NULL };
struct pci_dev *isa = NULL;
const struct via_isa_bridge *config;
static int printed_version;
}
pci_dev_put(isa);
- /* 0x40 low bits indicate enabled channels */
- pci_read_config_byte(pdev, 0x40 , &enable);
- enable &= 3;
- if (enable == 0) {
- return -ENODEV;
+ if (!(config->flags & VIA_NO_ENABLES)) {
+ /* 0x40 low bits indicate enabled channels */
+ pci_read_config_byte(pdev, 0x40 , &enable);
+ enable &= 3;
+ if (enable == 0)
+ return -ENODEV;
}
/* Initialise the FIFO for the enabled channels. */
switch(config->flags & VIA_UDMA) {
case VIA_UDMA_NONE:
if (config->flags & VIA_NO_UNMASK)
- type = via_mwdma_info_borked;
+ ppi[0] = &via_mwdma_info_borked;
else
- type = via_mwdma_info;
+ ppi[0] = &via_mwdma_info;
break;
case VIA_UDMA_33:
- type = via_udma33_info;
+ ppi[0] = &via_udma33_info;
break;
case VIA_UDMA_66:
- type = via_udma66_info;
+ ppi[0] = &via_udma66_info;
/* The 66 MHz devices require we enable the clock */
pci_read_config_dword(pdev, 0x50, &timing);
timing |= 0x80008;
pci_write_config_dword(pdev, 0x50, timing);
break;
case VIA_UDMA_100:
- type = via_udma100_info;
+ ppi[0] = &via_udma100_info;
break;
case VIA_UDMA_133:
- type = via_udma133_info;
+ ppi[0] = &via_udma133_info;
break;
default:
WARN_ON(1);
}
/* We have established the device type, now fire it up */
- type.private_data = (void *)config;
-
- return ata_pci_init_one(pdev, ppi, &via_sht);
+ return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config);
}
#ifdef CONFIG_PM
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff