diff options
Diffstat (limited to 'drivers/ata/pata_cypress.c')
| -rw-r--r-- | drivers/ata/pata_cypress.c | 121 |
1 files changed, 30 insertions, 91 deletions
diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index dfa5ac53904..793018460d8 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -1,7 +1,7 @@ /* * pata_cypress.c - Cypress PATA for new ATA layer * (C) 2006 Red Hat Inc - * Alan Cox <alan@redhat.com> + * Alan Cox * * Based heavily on * linux/drivers/ide/pci/cy82c693.c Version 0.40 Sep. 10, 2002 @@ -11,14 +11,13 @@ #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 <scsi/scsi_host.h> #include <linux/libata.h> #define DRV_NAME "pata_cypress" -#define DRV_VERSION "0.1.2" +#define DRV_VERSION "0.1.5" /* here are the offset definitions for the registers */ @@ -41,17 +40,6 @@ enum { CY82_INDEX_TIMEOUT = 0x32 }; -static int cy82c693_pre_reset(struct ata_port *ap) -{ - ap->cbl = ATA_CBL_PATA40; - return ata_std_prereset(ap); -} - -static void cy82c693_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, cy82c693_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - /** * cy82c693_set_piomode - set initial PIO mode data * @ap: ATA interface @@ -73,14 +61,16 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) return; } - time_16 = FIT(t.recover, 0, 15) | (FIT(t.active, 0, 15) << 4); - time_8 = FIT(t.act8b, 0, 15) | (FIT(t.rec8b, 0, 15) << 4); + time_16 = clamp_val(t.recover - 1, 0, 15) | + (clamp_val(t.active - 1, 0, 15) << 4); + time_8 = clamp_val(t.act8b - 1, 0, 15) | + (clamp_val(t.rec8b - 1, 0, 15) << 4); if (adev->devno == 0) { pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr); addr &= ~0x0F; /* Mask bits */ - addr |= FIT(t.setup, 0, 15); + addr |= clamp_val(t.setup - 1, 0, 15); pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr); pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16); @@ -90,7 +80,7 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr); addr &= ~0xF0; /* Mask bits */ - addr |= (FIT(t.setup, 0, 15) << 4); + addr |= (clamp_val(t.setup - 1, 0, 15) << 4); pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr); pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOR, time_16); @@ -121,107 +111,56 @@ static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev) } static struct scsi_host_template cy82c693_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, - .max_sectors = ATA_MAX_SECTORS, - .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, - .bios_param = ata_std_bios_param, + ATA_BMDMA_SHT(DRV_NAME), }; static struct ata_port_operations cy82c693_port_ops = { - .port_disable = ata_port_disable, + .inherits = &ata_bmdma_port_ops, + .cable_detect = ata_cable_40wire, .set_piomode = cy82c693_set_piomode, .set_dmamode = cy82c693_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 = cy82c693_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 }; static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { - static struct ata_port_info info = { - .sht = &cy82c693_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, - .pio_mask = 0x1f, - .mwdma_mask = 0x07, + static const struct ata_port_info info = { + .flags = ATA_FLAG_SLAVE_POSS, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, .port_ops = &cy82c693_port_ops }; - static struct ata_port_info *port_info[1] = { &info }; + const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; - /* Devfn 1 is the ATA primary. The secondary is magic and on devfn2. For the - moment we don't handle the secondary. FIXME */ + /* Devfn 1 is the ATA primary. The secondary is magic and on devfn2. + For the moment we don't handle the secondary. FIXME */ if (PCI_FUNC(pdev->devfn) != 1) return -ENODEV; - return ata_pci_init_one(pdev, port_info, 1); + return ata_pci_bmdma_init_one(pdev, ppi, &cy82c693_sht, NULL, 0); } -static struct pci_device_id cy82c693[] = { - { PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { 0, }, +static const struct pci_device_id cy82c693[] = { + { PCI_VDEVICE(CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693), }, + + { }, }; static struct pci_driver cy82c693_pci_driver = { - .name = DRV_NAME, + .name = DRV_NAME, .id_table = cy82c693, .probe = cy82c693_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, +#ifdef CONFIG_PM_SLEEP + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, +#endif }; -static int __init cy82c693_init(void) -{ - return pci_register_driver(&cy82c693_pci_driver); -} - - -static void __exit cy82c693_exit(void) -{ - pci_unregister_driver(&cy82c693_pci_driver); -} - +module_pci_driver(cy82c693_pci_driver); MODULE_AUTHOR("Alan Cox"); MODULE_DESCRIPTION("low-level driver for the CY82C693 PATA controller"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, cy82c693); MODULE_VERSION(DRV_VERSION); - -module_init(cy82c693_init); -module_exit(cy82c693_exit); |