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);
}