diff options
Diffstat (limited to 'drivers/ata/pata_pdc2027x.c')
| -rw-r--r-- | drivers/ata/pata_pdc2027x.c | 199 |
1 files changed, 64 insertions, 135 deletions
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index 511c89b9bae..4d06a5cda98 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -25,7 +25,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> -#include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> @@ -63,7 +62,10 @@ enum { }; static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -static void pdc2027x_error_handler(struct ata_port *ap); +#ifdef CONFIG_PM_SLEEP +static int pdc2027x_reinit_one(struct pci_dev *pdev); +#endif +static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline); static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev); static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev); static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc); @@ -126,106 +128,46 @@ static struct pci_driver pdc2027x_pci_driver = { .id_table = pdc2027x_pci_tbl, .probe = pdc2027x_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM_SLEEP + .suspend = ata_pci_device_suspend, + .resume = pdc2027x_reinit_one, +#endif }; static struct scsi_host_template pdc2027x_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, + ATA_BMDMA_SHT(DRV_NAME), }; static struct ata_port_operations pdc2027x_pata100_ops = { - .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, - + .inherits = &ata_bmdma_port_ops, .check_atapi_dma = pdc2027x_check_atapi_dma, - .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_data_xfer, - - .freeze = ata_bmdma_freeze, - .thaw = ata_bmdma_thaw, - .error_handler = pdc2027x_error_handler, - .post_internal_cmd = ata_bmdma_post_internal_cmd, .cable_detect = pdc2027x_cable_detect, - - .irq_clear = ata_bmdma_irq_clear, - .irq_on = ata_irq_on, - - .port_start = ata_sff_port_start, + .prereset = pdc2027x_prereset, }; static struct ata_port_operations pdc2027x_pata133_ops = { + .inherits = &pdc2027x_pata100_ops, + .mode_filter = pdc2027x_mode_filter, .set_piomode = pdc2027x_set_piomode, .set_dmamode = pdc2027x_set_dmamode, .set_mode = pdc2027x_set_mode, - .mode_filter = pdc2027x_mode_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, - - .check_atapi_dma = pdc2027x_check_atapi_dma, - .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_data_xfer, - - .freeze = ata_bmdma_freeze, - .thaw = ata_bmdma_thaw, - .error_handler = pdc2027x_error_handler, - .post_internal_cmd = ata_bmdma_post_internal_cmd, - .cable_detect = pdc2027x_cable_detect, - - .irq_clear = ata_bmdma_irq_clear, - .irq_on = ata_irq_on, - - .port_start = ata_sff_port_start, }; static struct ata_port_info pdc2027x_port_info[] = { /* PDC_UDMA_100 */ { - .flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_SLAVE_POSS | - ATA_FLAG_MMIO, - .pio_mask = 0x1f, /* pio0-4 */ - .mwdma_mask = 0x07, /* mwdma0-2 */ - .udma_mask = ATA_UDMA5, /* udma0-5 */ + .flags = ATA_FLAG_SLAVE_POSS, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA5, .port_ops = &pdc2027x_pata100_ops, }, /* PDC_UDMA_133 */ { - .flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_SLAVE_POSS | - ATA_FLAG_MMIO, - .pio_mask = 0x1f, /* pio0-4 */ - .mwdma_mask = 0x07, /* mwdma0-2 */ - .udma_mask = ATA_UDMA6, /* udma0-6 */ + .flags = ATA_FLAG_SLAVE_POSS, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, .port_ops = &pdc2027x_pata133_ops, }, }; @@ -310,22 +252,7 @@ static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline) /* Check whether port enabled */ if (!pdc2027x_port_enabled(link->ap)) return -ENOENT; - return ata_std_prereset(link, deadline); -} - -/** - * pdc2027x_error_handler - Perform reset on PATA port and classify - * @ap: Port to reset - * - * Reset PATA phy and classify attached devices. - * - * LOCKING: - * None (inherited from caller). - */ - -static void pdc2027x_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, pdc2027x_prereset, ata_std_softreset, NULL, ata_std_postreset); + return ata_sff_prereset(link, deadline); } /** @@ -342,7 +269,7 @@ static unsigned long pdc2027x_mode_filter(struct ata_device *adev, unsigned long struct ata_device *pair = ata_dev_pair(adev); if (adev->class != ATA_DEV_ATA || adev->devno == 0 || pair == NULL) - return ata_pci_default_filter(adev, mask); + return mask; /* Check for slave of a Maxtor at UDMA6 */ ata_id_c_string(pair->id, model_num, ATA_ID_PROD, @@ -351,14 +278,13 @@ static unsigned long pdc2027x_mode_filter(struct ata_device *adev, unsigned long if (strstr(model_num, "Maxtor") == NULL && pair->dma_mode == XFER_UDMA_6) mask &= ~ (1 << (6 + ATA_SHIFT_UDMA)); - return ata_pci_default_filter(adev, mask); + return mask; } /** * pdc2027x_set_piomode - Initialize host controller PATA PIO timings * @ap: Port to configure * @adev: um - * @pio: PIO mode, 0 - 4 * * Set PIO mode for device. * @@ -403,7 +329,6 @@ static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev) * pdc2027x_set_dmamode - Initialize host controller PATA UDMA timings * @ap: Port to configure * @adev: um - * @udma: udma mode, XFER_UDMA_0 to XFER_UDMA_6 * * Set UDMA mode for device. * @@ -483,23 +408,20 @@ static int pdc2027x_set_mode(struct ata_link *link, struct ata_device **r_failed if (rc < 0) return rc; - ata_link_for_each_dev(dev, link) { - if (ata_dev_enabled(dev)) { + ata_for_each_dev(dev, link, ENABLED) { + pdc2027x_set_piomode(ap, dev); - pdc2027x_set_piomode(ap, dev); + /* + * Enable prefetch if the device support PIO only. + */ + if (dev->xfer_shift == ATA_SHIFT_PIO) { + u32 ctcr1 = ioread32(dev_mmio(ap, dev, PDC_CTCR1)); + ctcr1 |= (1 << 25); + iowrite32(ctcr1, dev_mmio(ap, dev, PDC_CTCR1)); - /* - * Enable prefetch if the device support PIO only. - */ - if (dev->xfer_shift == ATA_SHIFT_PIO) { - u32 ctcr1 = ioread32(dev_mmio(ap, dev, PDC_CTCR1)); - ctcr1 |= (1 << 25); - iowrite32(ctcr1, dev_mmio(ap, dev, PDC_CTCR1)); - - PDPRINTK("Turn on prefetch\n"); - } else { - pdc2027x_set_dmamode(ap, dev); - } + PDPRINTK("Turn on prefetch\n"); + } else { + pdc2027x_set_dmamode(ap, dev); } } return 0; @@ -739,7 +661,7 @@ static int pdc_hardware_init(struct ata_host *host, unsigned int board_idx) */ pll_clock = pdc_detect_pll_input_clock(host); - dev_printk(KERN_INFO, host->dev, "PLL input clock %ld kHz\n", pll_clock/1000); + dev_info(host->dev, "PLL input clock %ld kHz\n", pll_clock/1000); /* Adjust PLL control register */ pdc_adjust_pll(host, pll_clock, board_idx); @@ -779,9 +701,9 @@ static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base) * @pdev: instance of pci_dev found * @ent: matching entry in the id_tbl[] */ -static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +static int pdc2027x_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { - static int printed_version; static const unsigned long cmd_offset[] = { 0x17c0, 0x15c0 }; static const unsigned long bmdma_offset[] = { 0x1000, 0x1008 }; unsigned int board_idx = (unsigned int) ent->driver_data; @@ -791,8 +713,7 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de void __iomem *mmio_base; int i, rc; - if (!printed_version++) - dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); + ata_print_version_once(&pdev->dev, DRV_VERSION); /* alloc host */ host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2); @@ -836,25 +757,33 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de return -EIO; pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, - &pdc2027x_sht); + return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, + IRQF_SHARED, &pdc2027x_sht); } -/** - * pdc2027x_init - Called after this module is loaded into the kernel. - */ -static int __init pdc2027x_init(void) +#ifdef CONFIG_PM_SLEEP +static int pdc2027x_reinit_one(struct pci_dev *pdev) { - return pci_register_driver(&pdc2027x_pci_driver); -} + struct ata_host *host = pci_get_drvdata(pdev); + unsigned int board_idx; + int rc; -/** - * pdc2027x_exit - Called before this module unloaded from the kernel - */ -static void __exit pdc2027x_exit(void) -{ - pci_unregister_driver(&pdc2027x_pci_driver); + rc = ata_pci_device_do_resume(pdev); + if (rc) + return rc; + + if (pdev->device == PCI_DEVICE_ID_PROMISE_20268 || + pdev->device == PCI_DEVICE_ID_PROMISE_20270) + board_idx = PDC_UDMA_100; + else + board_idx = PDC_UDMA_133; + + if (pdc_hardware_init(host, board_idx)) + return -EIO; + + ata_host_resume(host); + return 0; } +#endif -module_init(pdc2027x_init); -module_exit(pdc2027x_exit); +module_pci_driver(pdc2027x_pci_driver); |