diff options
Diffstat (limited to 'drivers/ata/pata_artop.c')
-rw-r--r-- | drivers/ata/pata_artop.c | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 21c30282717c..03b6ddd2abd2 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -28,7 +28,7 @@ #include <linux/ata.h> #define DRV_NAME "pata_artop" -#define DRV_VERSION "0.4.2" +#define DRV_VERSION "0.4.3" /* * The ARTOP has 33 Mhz and "over clocked" timing tables. Until we @@ -39,7 +39,7 @@ static int clock = 0; -static int artop6210_pre_reset(struct ata_port *ap) +static int artop6210_pre_reset(struct ata_port *ap, unsigned long deadline) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); const struct pci_bits artop_enable_bits[] = { @@ -50,8 +50,7 @@ static int artop6210_pre_reset(struct ata_port *ap) if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) return -ENOENT; - ap->cbl = ATA_CBL_PATA40; - return ata_std_prereset(ap); + return ata_std_prereset(ap, deadline); } /** @@ -72,12 +71,13 @@ static void artop6210_error_handler(struct ata_port *ap) /** * artop6260_pre_reset - check for 40/80 pin * @ap: Port + * @deadline: deadline jiffies for the operation * * The ARTOP hardware reports the cable detect bits in register 0x49. * Nothing complicated needed here. */ -static int artop6260_pre_reset(struct ata_port *ap) +static int artop6260_pre_reset(struct ata_port *ap, unsigned long deadline) { static const struct pci_bits artop_enable_bits[] = { { 0x4AU, 1U, 0x02UL, 0x02UL }, /* port 0 */ @@ -85,18 +85,29 @@ static int artop6260_pre_reset(struct ata_port *ap) }; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u8 tmp; /* Odd numbered device ids are the units with enable bits (the -R cards) */ if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) return -ENOENT; + return ata_std_prereset(ap, deadline); +} + +/** + * artop6260_cable_detect - identify cable type + * @ap: Port + * + * Identify the cable type for the ARTOP interface in question + */ + +static int artop6260_cable_detect(struct ata_port *ap) +{ + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + u8 tmp; pci_read_config_byte(pdev, 0x49, &tmp); if (tmp & (1 << ap->port_no)) - ap->cbl = ATA_CBL_PATA40; - else - ap->cbl = ATA_CBL_PATA80; - return ata_std_prereset(ap); + return ATA_CBL_PATA40; + return ATA_CBL_PATA80; } /** @@ -225,7 +236,7 @@ static void artop6260_set_piomode(struct ata_port *ap, struct ata_device *adev) /** * artop6210_set_dmamode - Initialize host controller PATA PIO timings * @ap: Port whose timings we are configuring - * @adev: um + * @adev: Device whose timings we are configuring * * Set DMA mode for device, in host controller PCI config space. * @@ -333,6 +344,7 @@ static const struct ata_port_operations artop6210_ops = { .thaw = ata_bmdma_thaw, .error_handler = artop6210_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -366,6 +378,7 @@ static const struct ata_port_operations artop6260_ops = { .thaw = ata_bmdma_thaw, .error_handler = artop6260_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = artop6260_cable_detect, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -401,7 +414,7 @@ static const struct ata_port_operations artop6260_ops = { static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) { static int printed_version; - static struct ata_port_info info_6210 = { + static const struct ata_port_info info_6210 = { .sht = &artop_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, /* pio0-4 */ @@ -409,7 +422,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) .udma_mask = ATA_UDMA2, .port_ops = &artop6210_ops, }; - static struct ata_port_info info_626x = { + static const struct ata_port_info info_626x = { .sht = &artop_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, /* pio0-4 */ @@ -417,7 +430,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) .udma_mask = ATA_UDMA4, .port_ops = &artop6260_ops, }; - static struct ata_port_info info_626x_fast = { + static const struct ata_port_info info_626x_fast = { .sht = &artop_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, /* pio0-4 */ @@ -425,32 +438,30 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) .udma_mask = ATA_UDMA5, .port_ops = &artop6260_ops, }; - struct ata_port_info *port_info[2]; - struct ata_port_info *info = NULL; - int ports = 2; + const struct ata_port_info *ppi[] = { NULL, NULL }; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); if (id->driver_data == 0) { /* 6210 variant */ - info = &info_6210; + ppi[0] = &info_6210; + ppi[1] = &ata_dummy_port_info; /* BIOS may have left us in UDMA, clear it before libata probe */ pci_write_config_byte(pdev, 0x54, 0); /* For the moment (also lacks dsc) */ printk(KERN_WARNING "ARTOP 6210 requires serialize functionality not yet supported by libata.\n"); printk(KERN_WARNING "Secondary ATA ports will not be activated.\n"); - ports = 1; } else if (id->driver_data == 1) /* 6260 */ - info = &info_626x; + ppi[0] = &info_626x; else if (id->driver_data == 2) { /* 6260 or 6260 + fast */ unsigned long io = pci_resource_start(pdev, 4); u8 reg; - info = &info_626x; + ppi[0] = &info_626x; if (inb(io) & 0x10) - info = &info_626x_fast; + ppi[0] = &info_626x_fast; /* Mac systems come up with some registers not set as we will need them */ @@ -471,10 +482,9 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) } - BUG_ON(info == NULL); + BUG_ON(ppi[0] == NULL); - port_info[0] = port_info[1] = info; - return ata_pci_init_one(pdev, port_info, ports); + return ata_pci_init_one(pdev, ppi); } static const struct pci_device_id artop_pci_tbl[] = { |