X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fata%2Fpata_efar.c;h=2a6412f5d117b9c61e66c13380a4045d5877f599;hb=12992dd89c84839167f97aae540f2ec889daf782;hp=edf8a63f50af3afe6b54d93a0deffa5da252dcb7;hpb=2eab80ac0c96fb98267afeb12a4899801564c75b;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index edf8a63..2a6412f 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -1,7 +1,7 @@ /* * pata_efar.c - EFAR PIIX clone controller driver * - * (C) 2005 Red Hat + * (C) 2005 Red Hat * * Some parts based on ata_piix.c by Jeff Garzik and others. * @@ -22,48 +22,49 @@ #include #define DRV_NAME "pata_efar" -#define DRV_VERSION "0.4.3" +#define DRV_VERSION "0.4.5" /** - * efar_pre_reset - check for 40/80 pin - * @ap: Port + * efar_pre_reset - Enable bits + * @link: ATA link + * @deadline: deadline jiffies for the operation * * Perform cable detection for the EFAR ATA interface. This is * different to the PIIX arrangement */ -static int efar_pre_reset(struct ata_port *ap) +static int efar_pre_reset(struct ata_link *link, unsigned long deadline) { static const struct pci_bits efar_enable_bits[] = { { 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */ { 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */ }; - + struct ata_port *ap = link->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u8 tmp; if (!pci_test_config_bits(pdev, &efar_enable_bits[ap->port_no])) return -ENOENT; - pci_read_config_byte(pdev, 0x47, &tmp); - if (tmp & (2 >> ap->port_no)) - ap->cbl = ATA_CBL_PATA40; - else - ap->cbl = ATA_CBL_PATA80; - return ata_std_prereset(ap); + return ata_sff_prereset(link, deadline); } /** - * efar_probe_reset - Probe specified port on PATA host controller - * @ap: Port to probe + * efar_cable_detect - check for 40/80 pin + * @ap: Port * - * LOCKING: - * None (inherited from caller). + * Perform cable detection for the EFAR ATA interface. This is + * different to the PIIX arrangement */ -static void efar_error_handler(struct ata_port *ap) +static int efar_cable_detect(struct ata_port *ap) { - ata_bmdma_drive_eh(ap, efar_pre_reset, ata_std_softreset, NULL, ata_std_postreset); + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + u8 tmp; + + pci_read_config_byte(pdev, 0x47, &tmp); + if (tmp & (2 >> ap->port_no)) + return ATA_CBL_PATA40; + return ATA_CBL_PATA80; } /** @@ -97,18 +98,17 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) { 2, 1 }, { 2, 3 }, }; - if (pio > 2) - control |= 1; /* TIME1 enable */ + if (pio > 1) + control |= 1; /* TIME */ if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */ - control |= 2; /* IE enable */ - /* Intel specifies that the PPE functionality is for disk only */ + control |= 2; /* IE */ + /* Intel specifies that the prefetch/posting is for disk only */ if (adev->class == ATA_DEV_ATA) - control |= 4; /* PPE enable */ + control |= 4; /* PPE */ pci_read_config_word(dev, idetm_port, &idetm_data); - /* Enable PPE, IE and TIME as appropriate */ - + /* Set PPE, IE, and TIME as appropriate */ if (adev->devno == 0) { idetm_data &= 0xCCF0; idetm_data |= control; @@ -121,14 +121,14 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) idetm_data &= 0xCC0F; idetm_data |= (control << 4); - /* Slave timing in seperate register */ + /* Slave timing in separate register */ pci_read_config_byte(dev, 0x44, &slave_data); slave_data &= 0x0F << shift; slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << shift; pci_write_config_byte(dev, 0x44, slave_data); } - idetm_data |= 0x4000; /* Ensure SITRE is enabled */ + idetm_data |= 0x4000; /* Ensure SITRE is set */ pci_write_config_word(dev, idetm_port, idetm_data); } @@ -219,56 +219,15 @@ static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev) } static struct scsi_host_template efar_sht = { - .module = THIS_MODULE, - .name = DRV_NAME, - .ioctl = ata_scsi_ioctl, - .queuecommand = ata_scsi_queuecmd, - .can_queue = ATA_DEF_QUEUE, - .this_id = ATA_SHT_THIS_ID, - .sg_tablesize = LIBATA_MAX_PRD, - .cmd_per_lun = ATA_SHT_CMD_PER_LUN, - .emulated = ATA_SHT_EMULATED, - .use_clustering = ATA_SHT_USE_CLUSTERING, - .proc_name = DRV_NAME, - .dma_boundary = ATA_DMA_BOUNDARY, - .slave_configure = ata_scsi_slave_config, - .slave_destroy = ata_scsi_slave_destroy, - .bios_param = ata_std_bios_param, - .resume = ata_scsi_device_resume, - .suspend = ata_scsi_device_suspend, + ATA_BMDMA_SHT(DRV_NAME), }; -static const struct ata_port_operations efar_ops = { - .port_disable = ata_port_disable, +static struct ata_port_operations efar_ops = { + .inherits = &ata_bmdma_port_ops, + .cable_detect = efar_cable_detect, .set_piomode = efar_set_piomode, .set_dmamode = efar_set_dmamode, - .mode_filter = ata_pci_default_filter, - - .tf_load = ata_tf_load, - .tf_read = ata_tf_read, - .check_status = ata_check_status, - .exec_command = ata_exec_command, - .dev_select = ata_std_dev_select, - - .freeze = ata_bmdma_freeze, - .thaw = ata_bmdma_thaw, - .error_handler = efar_error_handler, - .post_internal_cmd = ata_bmdma_post_internal_cmd, - - .bmdma_setup = ata_bmdma_setup, - .bmdma_start = ata_bmdma_start, - .bmdma_stop = ata_bmdma_stop, - .bmdma_status = ata_bmdma_status, - .qc_prep = ata_qc_prep, - .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, - - .irq_handler = ata_interrupt, - .irq_clear = ata_bmdma_irq_clear, - - .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, + .prereset = efar_pre_reset, }; @@ -289,21 +248,20 @@ static const struct ata_port_operations efar_ops = { static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - static struct ata_port_info info = { - .sht = &efar_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, - .pio_mask = 0x1f, /* pio0-4 */ - .mwdma_mask = 0x07, /* mwdma1-2 */ - .udma_mask = 0x0f, /* UDMA 66 */ + static const struct ata_port_info info = { + .flags = ATA_FLAG_SLAVE_POSS, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA4, .port_ops = &efar_ops, }; - static struct ata_port_info *port_info[2] = { &info, &info }; + const struct ata_port_info *ppi[] = { &info, NULL }; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - return ata_pci_init_one(pdev, port_info, 2); + return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL); } static const struct pci_device_id efar_pci_tbl[] = { @@ -317,8 +275,10 @@ static struct pci_driver efar_pci_driver = { .id_table = efar_pci_tbl, .probe = efar_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM .suspend = ata_pci_device_suspend, .resume = ata_pci_device_resume, +#endif }; static int __init efar_init(void)