static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) { ata_index_t index; ide_pci_device_t *d = &cyrix_chipsets[id->driver_data]; ide_setup_pci_noise(dev, d); /* We must not grab the entire device, it has 'ISA' space in its BARS too and we will freak out other bits of the kernel */ if (pci_enable_device_bars(dev, 1<<2)) { printk(KERN_WARNING "%s: Unable to enable 55x0.\n", d->name); return -ENODEV; } pci_set_master(dev); if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { printk(KERN_WARNING "cs5520: No suitable DMA available.\n"); return -ENODEV; } index.all = 0xf0f0; /* * Now the chipset is configured we can let the core * do all the device setup for us */ ide_pci_setup_ports(dev, d, 14, &index); if((index.b.low & 0xf0) != 0xf0) probe_hwif_init(&ide_hwifs[index.b.low]); if((index.b.high & 0xf0) != 0xf0) probe_hwif_init(&ide_hwifs[index.b.high]); return 0; }
static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) { u8 pcicfg; void __iomem *iomap[5]; static struct ata_probe_ent probe[2]; int ports = 0; /* IDE port enable bits */ pci_read_config_byte(dev, 0x60, &pcicfg); /* Check if the ATA ports are enabled */ if ((pcicfg & 3) == 0) return -ENODEV; if ((pcicfg & 0x40) == 0) { printk(KERN_WARNING DRV_NAME ": DMA mode disabled. Enabling.\n"); pci_write_config_byte(dev, 0x60, pcicfg | 0x40); } /* Perform set up for DMA */ if (pci_enable_device_bars(dev, 1<<2)) { printk(KERN_ERR DRV_NAME ": unable to configure BAR2.\n"); return -ENODEV; } pci_set_master(dev); if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n"); return -ENODEV; } if (pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK)) { printk(KERN_ERR DRV_NAME ": unable to configure consistent DMA mask.\n"); return -ENODEV; } /* Map IO ports */ iomap[0] = devm_ioport_map(&dev->dev, 0x1F0, 8); iomap[1] = devm_ioport_map(&dev->dev, 0x3F6, 1); iomap[2] = devm_ioport_map(&dev->dev, 0x170, 8); iomap[3] = devm_ioport_map(&dev->dev, 0x376, 1); iomap[4] = pcim_iomap(dev, 2, 0); if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4]) return -ENOMEM; /* We have to do our own plumbing as the PCI setup for this chipset is non-standard so we can't punt to the libata code */ INIT_LIST_HEAD(&probe[0].node); probe[0].dev = pci_dev_to_dev(dev); probe[0].port_ops = &cs5520_port_ops; probe[0].sht = &cs5520_sht; probe[0].pio_mask = 0x1F; probe[0].mwdma_mask = id->driver_data; probe[0].irq = 14; probe[0].irq_flags = 0; probe[0].port_flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST; probe[0].n_ports = 1; probe[0].port[0].cmd_addr = iomap[0]; probe[0].port[0].ctl_addr = iomap[1]; probe[0].port[0].altstatus_addr = iomap[1]; probe[0].port[0].bmdma_addr = iomap[4]; /* The secondary lurks at different addresses but is otherwise the same beastie */ probe[1] = probe[0]; INIT_LIST_HEAD(&probe[1].node); probe[1].irq = 15; probe[1].port[0].cmd_addr = iomap[2]; probe[1].port[0].ctl_addr = iomap[3]; probe[1].port[0].altstatus_addr = iomap[3]; probe[1].port[0].bmdma_addr = iomap[4] + 8; /* Let libata fill in the port details */ ata_std_ports(&probe[0].port[0]); ata_std_ports(&probe[1].port[0]); /* Now add the ports that are active */ if (pcicfg & 1) ports += ata_device_add(&probe[0]); if (pcicfg & 2) ports += ata_device_add(&probe[1]); if (ports) return 0; return -ENODEV; }
static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { static const unsigned int cmd_port[] = { 0x1F0, 0x170 }; static const unsigned int ctl_port[] = { 0x3F6, 0x376 }; struct ata_port_info pi = { .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .port_ops = &cs5520_port_ops, }; const struct ata_port_info *ppi[2]; u8 pcicfg; void __iomem *iomap[5]; struct ata_host *host; struct ata_ioports *ioaddr; int i, rc; rc = pcim_enable_device(pdev); if (rc) return rc; /* IDE port enable bits */ pci_read_config_byte(pdev, 0x60, &pcicfg); /* Check if the ATA ports are enabled */ if ((pcicfg & 3) == 0) return -ENODEV; ppi[0] = ppi[1] = &ata_dummy_port_info; if (pcicfg & 1) ppi[0] = π if (pcicfg & 2) ppi[1] = π if ((pcicfg & 0x40) == 0) { dev_printk(KERN_WARNING, &pdev->dev, "DMA mode disabled. Enabling.\n"); pci_write_config_byte(pdev, 0x60, pcicfg | 0x40); } pi.mwdma_mask = id->driver_data; host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2); if (!host) return -ENOMEM; /* Perform set up for DMA */ if (pci_enable_device_bars(pdev, 1<<2)) { printk(KERN_ERR DRV_NAME ": unable to configure BAR2.\n"); return -ENODEV; } if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n"); return -ENODEV; } if (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_ERR DRV_NAME ": unable to configure consistent DMA mask.\n"); return -ENODEV; } /* Map IO ports and initialize host accordingly */ iomap[0] = devm_ioport_map(&pdev->dev, cmd_port[0], 8); iomap[1] = devm_ioport_map(&pdev->dev, ctl_port[0], 1); iomap[2] = devm_ioport_map(&pdev->dev, cmd_port[1], 8); iomap[3] = devm_ioport_map(&pdev->dev, ctl_port[1], 1); iomap[4] = pcim_iomap(pdev, 2, 0); if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4]) return -ENOMEM; ioaddr = &host->ports[0]->ioaddr; ioaddr->cmd_addr = iomap[0]; ioaddr->ctl_addr = iomap[1]; ioaddr->altstatus_addr = iomap[1]; ioaddr->bmdma_addr = iomap[4]; ata_sff_std_ports(ioaddr); ata_port_desc(host->ports[0], "cmd 0x%x ctl 0x%x", cmd_port[0], ctl_port[0]); ata_port_pbar_desc(host->ports[0], 4, 0, "bmdma"); ioaddr = &host->ports[1]->ioaddr; ioaddr->cmd_addr = iomap[2]; ioaddr->ctl_addr = iomap[3]; ioaddr->altstatus_addr = iomap[3]; ioaddr->bmdma_addr = iomap[4] + 8; ata_sff_std_ports(ioaddr); ata_port_desc(host->ports[1], "cmd 0x%x ctl 0x%x", cmd_port[1], ctl_port[1]); ata_port_pbar_desc(host->ports[1], 4, 8, "bmdma"); /* activate the host */ pci_set_master(pdev); rc = ata_host_start(host); if (rc) return rc; for (i = 0; i < 2; i++) { static const int irq[] = { 14, 15 }; struct ata_port *ap = host->ports[i]; if (ata_port_is_dummy(ap)) continue; rc = devm_request_irq(&pdev->dev, irq[ap->port_no], ata_sff_interrupt, 0, DRV_NAME, host); if (rc) return rc; ata_port_desc(ap, "irq %d", irq[i]); } return ata_host_register(host, &cs5520_sht); } #ifdef CONFIG_PM /** * cs5520_reinit_one - device resume * @pdev: PCI device * * Do any reconfiguration work needed by a resume from RAM. We need * to restore DMA mode support on BIOSen which disabled it */ static int cs5520_reinit_one(struct pci_dev *pdev) { struct ata_host *host = dev_get_drvdata(&pdev->dev); u8 pcicfg; int rc; rc = ata_pci_device_do_resume(pdev); if (rc) return rc; pci_read_config_byte(pdev, 0x60, &pcicfg); if ((pcicfg & 0x40) == 0) pci_write_config_byte(pdev, 0x60, pcicfg | 0x40); ata_host_resume(host); return 0; } /** * cs5520_pci_device_suspend - device suspend * @pdev: PCI device * * We have to cut and waste bits from the standard method because * the 5520 is a bit odd and not just a pure ATA device. As a result * we must not disable it. The needed code is short and this avoids * chip specific mess in the core code. */ static int cs5520_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) { struct ata_host *host = dev_get_drvdata(&pdev->dev); int rc = 0; rc = ata_host_suspend(host, mesg); if (rc) return rc; pci_save_state(pdev); return 0; } #endif /* CONFIG_PM */ /* For now keep DMA off. We can set it for all but A rev CS5510 once the core ATA code can handle it */ static const struct pci_device_id pata_cs5520[] = { { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5510), }, { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5520), }, { }, }; static struct pci_driver cs5520_pci_driver = { .name = DRV_NAME, .id_table = pata_cs5520, .probe = cs5520_init_one, .remove = ata_pci_remove_one, #ifdef CONFIG_PM .suspend = cs5520_pci_device_suspend, .resume = cs5520_reinit_one, #endif }; static int __init cs5520_init(void) { return pci_register_driver(&cs5520_pci_driver); } static void __exit cs5520_exit(void) { pci_unregister_driver(&cs5520_pci_driver); }
/* * To backport b718989d correctly pcibios_enable_device() * is required but we don't have access to it on modules * as its an architecture specific routine that is not * exported and as such only core kernel code has access * to it. We implement a sloppy work around for backporting * this. */ int pci_enable_device_mem(struct pci_dev *dev) { int bars = pci_select_bars(dev, IORESOURCE_MEM); return pci_enable_device_bars(dev, bars); }
static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { struct ata_port_info pi = { .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .port_ops = &cs5520_port_ops, }; const struct ata_port_info *ppi[2]; u8 pcicfg; void *iomap[5]; struct ata_host *host; struct ata_ioports *ioaddr; int i, rc; /* IDE port enable bits */ pci_read_config_byte(pdev, 0x60, &pcicfg); /* Check if the ATA ports are enabled */ if ((pcicfg & 3) == 0) return -ENODEV; ppi[0] = ppi[1] = &ata_dummy_port_info; if (pcicfg & 1) ppi[0] = π if (pcicfg & 2) ppi[1] = π if ((pcicfg & 0x40) == 0) { dev_printk(KERN_WARNING, &pdev->dev, "DMA mode disabled. Enabling.\n"); pci_write_config_byte(pdev, 0x60, pcicfg | 0x40); } pi.mwdma_mask = id->driver_data; host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2); if (!host) return -ENOMEM; /* Perform set up for DMA */ if (pci_enable_device_bars(pdev, 1<<2)) { printk(KERN_ERR DRV_NAME ": unable to configure BAR2.\n"); return -ENODEV; } if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n"); return -ENODEV; } if (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_ERR DRV_NAME ": unable to configure consistent DMA mask.\n"); return -ENODEV; } /* Map IO ports and initialize host accordingly */ iomap[0] = devm_ioport_map(&pdev->dev, 0x1F0, 8); iomap[1] = devm_ioport_map(&pdev->dev, 0x3F6, 1); iomap[2] = devm_ioport_map(&pdev->dev, 0x170, 8); iomap[3] = devm_ioport_map(&pdev->dev, 0x376, 1); iomap[4] = pcim_iomap(pdev, 2, 0); if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4]) return -ENOMEM; ioaddr = &host->ports[0]->ioaddr; ioaddr->cmd_addr = iomap[0]; ioaddr->ctl_addr = iomap[1]; ioaddr->altstatus_addr = iomap[1]; ioaddr->bmdma_addr = iomap[4]; ata_std_ports(ioaddr); ioaddr = &host->ports[1]->ioaddr; ioaddr->cmd_addr = iomap[2]; ioaddr->ctl_addr = iomap[3]; ioaddr->altstatus_addr = iomap[3]; ioaddr->bmdma_addr = iomap[4] + 8; ata_std_ports(ioaddr); /* activate the host */ pci_set_master(pdev); rc = ata_host_start(host); if (rc) return rc; for (i = 0; i < 2; i++) { static const int irq[] = { 14, 15 }; struct ata_port *ap = host->ports[i]; if (ata_port_is_dummy(ap)) continue; rc = devm_request_irq(&pdev->dev, irq[ap->port_no], ata_interrupt, 0, DRV_NAME, host); if (rc) return rc; if (i == 0) host->irq = irq[0]; else host->irq2 = irq[1]; } return ata_host_register(host, &cs5520_sht); } /** * cs5520_remove_one - device unload * @pdev: PCI device being removed * * Handle an unplug/unload event for a PCI device. Unload the * PCI driver but do not use the default handler as we manage * resources ourself and *MUST NOT* disable the device as it has * other functions. */ static void __devexit cs5520_remove_one(struct pci_dev *pdev) { struct device *dev = pci_dev_to_dev(pdev); struct ata_host *host = dev_get_drvdata(dev); ata_host_detach(host); } #ifdef CONFIG_PM /** * cs5520_reinit_one - device resume * @pdev: PCI device * * Do any reconfiguration work needed by a resume from RAM. We need * to restore DMA mode support on BIOSen which disabled it */ static int cs5520_reinit_one(struct pci_dev *pdev) { u8 pcicfg; pci_read_config_byte(pdev, 0x60, &pcicfg); if ((pcicfg & 0x40) == 0) pci_write_config_byte(pdev, 0x60, pcicfg | 0x40); return ata_pci_device_resume(pdev); }