#include <linux/libata.h>
#define DRV_NAME "pata_cs5520"
-#define DRV_VERSION "0.6.3"
+#define DRV_VERSION "0.6.4"
struct pio_clocks
{
cs5520_set_timings(ap, adev, adev->pio_mode);
}
-
-static int cs5520_pre_reset(struct ata_port *ap)
-{
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-static void cs5520_error_handler(struct ata_port *ap)
-{
- return ata_bmdma_drive_eh(ap, cs5520_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
static struct scsi_host_template cs5520_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
.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 cs5520_port_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = cs5520_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_issue = ata_qc_issue_prot,
.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,
};
-static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+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];
- static struct ata_probe_ent probe[2];
- int ports = 0;
+ struct ata_host *host;
+ struct ata_ioports *ioaddr;
+ int i, rc;
/* IDE port enable bits */
- pci_read_config_byte(dev, 0x60, &pcicfg);
+ 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) {
- printk(KERN_WARNING DRV_NAME ": DMA mode disabled. Enabling.\n");
- pci_write_config_byte(dev, 0x60, pcicfg | 0x40);
+ 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(dev, 1<<2)) {
+ if (pci_enable_device_bars(pdev, 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)) {
+
+ 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(dev, DMA_32BIT_MASK)) {
+ 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 */
- 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);
+ /* 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;
- /* 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;
+ 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[0];
+
+ 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;
+ }
+
+ return ata_host_register(host, &cs5520_sht);
}
/**
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
- dev_set_drvdata(dev, NULL);
}
+#ifdef CONFIG_PM
/**
* cs5520_reinit_one - device resume
* @pdev: PCI device
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 */
.id_table = pata_cs5520,
.probe = cs5520_init_one,
.remove = cs5520_remove_one,
+#ifdef CONFIG_PM
.suspend = cs5520_pci_device_suspend,
.resume = cs5520_reinit_one,
+#endif
};
static int __init cs5520_init(void)
projects / powerpc.git / blobdiff