X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fata%2Fpata_via.c;h=96b71791d2f48edc8109d606a7a7d76c074df51b;hb=2086d26a05a4b5bda4a2f677bc143933bbdfa9f8;hp=f0b6c3b7142931a30cb3524a033fb021393a2c47;hpb=bcd8b54f7d9c980b945d3f1cc48f76f2fa6e2e1b;p=cascardo%2Flinux.git diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index f0b6c3b71429..96b71791d2f4 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -62,7 +62,7 @@ #include #define DRV_NAME "pata_via" -#define DRV_VERSION "0.2.1" +#define DRV_VERSION "0.3.1" /* * The following comes directly from Vojtech Pavlik's ide/pci/via82cxxx @@ -135,16 +135,23 @@ static const struct via_isa_bridge { */ static int via_cable_detect(struct ata_port *ap) { + const struct via_isa_bridge *config = ap->host->private_data; struct pci_dev *pdev = to_pci_dev(ap->host->dev); u32 ata66; + /* Early chips are 40 wire */ + if ((config->flags & VIA_UDMA) < VIA_UDMA_66) + return ATA_CBL_PATA40; + /* UDMA 66 chips have only drive side logic */ + else if((config->flags & VIA_UDMA) < VIA_UDMA_100) + return ATA_CBL_PATA_UNK; + /* UDMA 100 or later */ pci_read_config_dword(pdev, 0x50, &ata66); /* Check both the drive cable reporting bits, we might not have two drives */ if (ata66 & (0x10100000 >> (16 * ap->port_no))) return ATA_CBL_PATA80; - else - return ATA_CBL_PATA40; + return ATA_CBL_PATA40; } static int via_pre_reset(struct ata_port *ap) @@ -156,22 +163,10 @@ static int via_pre_reset(struct ata_port *ap) { 0x40, 1, 0x02, 0x02 }, { 0x40, 1, 0x01, 0x01 } }; - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - if (!pci_test_config_bits(pdev, &via_enable_bits[ap->port_no])) return -ENOENT; } - - if ((config->flags & VIA_UDMA) >= VIA_UDMA_100) - ap->cbl = via_cable_detect(ap); - /* The UDMA66 series has no cable detect so do drive side detect */ - else if ((config->flags & VIA_UDMA) < VIA_UDMA_66) - ap->cbl = ATA_CBL_PATA40; - else - ap->cbl = ATA_CBL_PATA_UNK; - - return ata_std_prereset(ap); } @@ -305,8 +300,10 @@ static struct scsi_host_template via_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, +#ifdef CONFIG_PM .resume = ata_scsi_device_resume, .suspend = ata_scsi_device_suspend, +#endif }; static struct ata_port_operations via_port_ops = { @@ -325,6 +322,7 @@ static struct ata_port_operations via_port_ops = { .thaw = ata_bmdma_thaw, .error_handler = via_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = via_cable_detect, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -334,14 +332,14 @@ static struct ata_port_operations via_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations via_port_ops_noirq = { @@ -360,6 +358,7 @@ static struct ata_port_operations via_port_ops_noirq = { .thaw = ata_bmdma_thaw, .error_handler = via_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = via_cable_detect, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -369,14 +368,14 @@ static struct ata_port_operations via_port_ops_noirq = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer_noirq, + .data_xfer = ata_data_xfer_noirq, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -391,11 +390,11 @@ static struct ata_port_operations via_port_ops_noirq = { static void via_config_fifo(struct pci_dev *pdev, unsigned int flags) { u8 enable; - + /* 0x40 low bits indicate enabled channels */ pci_read_config_byte(pdev, 0x40 , &enable); enable &= 3; - + if (flags & VIA_SET_FIFO) { static const u8 fifo_setting[4] = {0x00, 0x60, 0x00, 0x20}; u8 fifo; @@ -516,7 +515,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Initialise the FIFO for the enabled channels. */ via_config_fifo(pdev, config->flags); - + /* Clock set up */ switch(config->flags & VIA_UDMA) { case VIA_UDMA_NONE: @@ -560,6 +559,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return ata_pci_init_one(pdev, port_info, 2); } +#ifdef CONFIG_PM /** * via_reinit_one - reinit after resume * @pdev; PCI device @@ -575,7 +575,7 @@ static int via_reinit_one(struct pci_dev *pdev) u32 timing; struct ata_host *host = dev_get_drvdata(&pdev->dev); const struct via_isa_bridge *config = host->private_data; - + via_config_fifo(pdev, config->flags); if ((config->flags & VIA_UDMA) == VIA_UDMA_66) { @@ -590,8 +590,9 @@ static int via_reinit_one(struct pci_dev *pdev) timing &= ~0x80008; pci_write_config_dword(pdev, 0x50, timing); } - return ata_pci_device_resume(pdev); + return ata_pci_device_resume(pdev); } +#endif static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), }, @@ -607,8 +608,10 @@ static struct pci_driver via_pci_driver = { .id_table = via, .probe = via_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM .suspend = ata_pci_device_suspend, .resume = via_reinit_one, +#endif }; static int __init via_init(void)