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提交 f295be25 编写于 作者: B Bartlomiej Zolnierkiewicz 提交者： Jeff Garzik
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ata_piix: re-order code and remove prototypes 

Signed-off-by: NBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
上级 de90cd71
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Showing with 198 addition and 221 deletion
drivers/ata/ata_piix.c
浏览文件 @ f295be25
......@@ -164,28 +164,6 @@ struct piix_host_priv {
void __iomem *sidpr;
};
static int piix_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent);
static void piix_remove_one(struct pci_dev *pdev);
static int piix_pata_prereset(struct ata_link *link, unsigned long deadline);
static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev);
static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev);
static int ich_pata_cable_detect(struct ata_port *ap);
static u8 piix_vmw_bmdma_status(struct ata_port *ap);
static int piix_sidpr_scr_read(struct ata_link *link,
unsigned int reg, u32 *val);
static int piix_sidpr_scr_write(struct ata_link *link,
unsigned int reg, u32 val);
static int piix_sidpr_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
unsigned hints);
static bool piix_irq_check(struct ata_port *ap);
static int piix_port_start(struct ata_port *ap);
#ifdef CONFIG_PM
static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int piix_pci_device_resume(struct pci_dev *pdev);
#endif
static unsigned int in_module_init = 1;
static const struct pci_device_id piix_pci_tbl[] = {
......@@ -342,64 +320,6 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ } /* terminate list */
};
static struct pci_driver piix_pci_driver = {
.name = DRV_NAME,
.id_table = piix_pci_tbl,
.probe = piix_init_one,
.remove = piix_remove_one,
#ifdef CONFIG_PM
.suspend = piix_pci_device_suspend,
.resume = piix_pci_device_resume,
#endif
};
static struct scsi_host_template piix_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations piix_sata_ops = {
.inherits = &ata_bmdma32_port_ops,
.sff_irq_check = piix_irq_check,
.port_start = piix_port_start,
};
static struct ata_port_operations piix_pata_ops = {
.inherits = &piix_sata_ops,
.cable_detect = ata_cable_40wire,
.set_piomode = piix_set_piomode,
.set_dmamode = piix_set_dmamode,
.prereset = piix_pata_prereset,
};
static struct ata_port_operations piix_vmw_ops = {
.inherits = &piix_pata_ops,
.bmdma_status = piix_vmw_bmdma_status,
};
static struct ata_port_operations ich_pata_ops = {
.inherits = &piix_pata_ops,
.cable_detect = ich_pata_cable_detect,
.set_dmamode = ich_set_dmamode,
};
static struct device_attribute *piix_sidpr_shost_attrs[] = {
&dev_attr_link_power_management_policy,
NULL
};
static struct scsi_host_template piix_sidpr_sht = {
ATA_BMDMA_SHT(DRV_NAME),
.shost_attrs = piix_sidpr_shost_attrs,
};
static struct ata_port_operations piix_sidpr_sata_ops = {
.inherits = &piix_sata_ops,
.hardreset = sata_std_hardreset,
.scr_read = piix_sidpr_scr_read,
.scr_write = piix_sidpr_scr_write,
.set_lpm = piix_sidpr_set_lpm,
};
static const struct piix_map_db ich5_map_db = {
.mask = 0x7,
.port_enable = 0x3,
......@@ -504,147 +424,6 @@ static const struct piix_map_db *piix_map_db_table[] = {
[ich8_sata_snb] = &ich8_map_db,
};
static struct ata_port_info piix_port_info[] = {
[piix_pata_mwdma] = /* PIIX3 MWDMA only */
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
.port_ops = &piix_pata_ops,
},
[piix_pata_33] = /* PIIX4 at 33MHz */
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
.udma_mask = ATA_UDMA2,
.port_ops = &piix_pata_ops,
},
[ich_pata_33] = /* ICH0 - ICH at 33Mhz*/
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* Check: maybe MWDMA0 is ok */
.udma_mask = ATA_UDMA2,
.port_ops = &ich_pata_ops,
},
[ich_pata_66] = /* ICH controllers up to 66MHz */
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* MWDMA0 is broken on chip */
.udma_mask = ATA_UDMA4,
.port_ops = &ich_pata_ops,
},
[ich_pata_100] =
{
.flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY,
.udma_mask = ATA_UDMA5,
.port_ops = &ich_pata_ops,
},
[ich_pata_100_nomwdma1] =
{
.flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2_ONLY,
.udma_mask = ATA_UDMA5,
.port_ops = &ich_pata_ops,
},
[ich5_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich6_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich6m_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich8_sata] =
{
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich8_2port_sata] =
{
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[tolapai_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich8m_apple_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[piix_pata_vmw] =
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
.udma_mask = ATA_UDMA2,
.port_ops = &piix_vmw_ops,
},
/*
* some Sandybridge chipsets have broken 32 mode up to now,
* see https://bugzilla.kernel.org/show_bug.cgi?id=40592
*/
[ich8_sata_snb] =
{
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
};
static struct pci_bits piix_enable_bits[] = {
{ 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
{ 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */
......@@ -1261,6 +1040,193 @@ static u8 piix_vmw_bmdma_status(struct ata_port *ap)
return ata_bmdma_status(ap) & ~ATA_DMA_ERR;
}
static struct scsi_host_template piix_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations piix_sata_ops = {
.inherits = &ata_bmdma32_port_ops,
.sff_irq_check = piix_irq_check,
.port_start = piix_port_start,
};
static struct ata_port_operations piix_pata_ops = {
.inherits = &piix_sata_ops,
.cable_detect = ata_cable_40wire,
.set_piomode = piix_set_piomode,
.set_dmamode = piix_set_dmamode,
.prereset = piix_pata_prereset,
};
static struct ata_port_operations piix_vmw_ops = {
.inherits = &piix_pata_ops,
.bmdma_status = piix_vmw_bmdma_status,
};
static struct ata_port_operations ich_pata_ops = {
.inherits = &piix_pata_ops,
.cable_detect = ich_pata_cable_detect,
.set_dmamode = ich_set_dmamode,
};
static struct device_attribute *piix_sidpr_shost_attrs[] = {
&dev_attr_link_power_management_policy,
NULL
};
static struct scsi_host_template piix_sidpr_sht = {
ATA_BMDMA_SHT(DRV_NAME),
.shost_attrs = piix_sidpr_shost_attrs,
};
static struct ata_port_operations piix_sidpr_sata_ops = {
.inherits = &piix_sata_ops,
.hardreset = sata_std_hardreset,
.scr_read = piix_sidpr_scr_read,
.scr_write = piix_sidpr_scr_write,
.set_lpm = piix_sidpr_set_lpm,
};
static struct ata_port_info piix_port_info[] = {
[piix_pata_mwdma] = /* PIIX3 MWDMA only */
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
.port_ops = &piix_pata_ops,
},
[piix_pata_33] = /* PIIX4 at 33MHz */
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
.udma_mask = ATA_UDMA2,
.port_ops = &piix_pata_ops,
},
[ich_pata_33] = /* ICH0 - ICH at 33Mhz*/
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* Check: maybe MWDMA0 is ok */
.udma_mask = ATA_UDMA2,
.port_ops = &ich_pata_ops,
},
[ich_pata_66] = /* ICH controllers up to 66MHz */
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* MWDMA0 is broken on chip */
.udma_mask = ATA_UDMA4,
.port_ops = &ich_pata_ops,
},
[ich_pata_100] =
{
.flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY,
.udma_mask = ATA_UDMA5,
.port_ops = &ich_pata_ops,
},
[ich_pata_100_nomwdma1] =
{
.flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2_ONLY,
.udma_mask = ATA_UDMA5,
.port_ops = &ich_pata_ops,
},
[ich5_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich6_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich6m_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich8_sata] =
{
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich8_2port_sata] =
{
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[tolapai_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[ich8m_apple_sata] =
{
.flags = PIIX_SATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
[piix_pata_vmw] =
{
.flags = PIIX_PATA_FLAGS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA12_ONLY, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
.udma_mask = ATA_UDMA2,
.port_ops = &piix_vmw_ops,
},
/*
* some Sandybridge chipsets have broken 32 mode up to now,
* see https://bugzilla.kernel.org/show_bug.cgi?id=40592
*/
[ich8_sata_snb] =
{
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
};
#define AHCI_PCI_BAR 5
#define AHCI_GLOBAL_CTL 0x04
#define AHCI_ENABLE (1 << 31)
......@@ -1746,6 +1712,17 @@ static void piix_remove_one(struct pci_dev *pdev)
ata_pci_remove_one(pdev);
}
static struct pci_driver piix_pci_driver = {
.name = DRV_NAME,
.id_table = piix_pci_tbl,
.probe = piix_init_one,
.remove = piix_remove_one,
#ifdef CONFIG_PM
.suspend = piix_pci_device_suspend,
.resume = piix_pci_device_resume,
#endif
};
static int __init piix_init(void)
{
int rc;
......
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