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path: root/drivers/ide/setup-pci.c
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Diffstat (limited to 'drivers/ide/setup-pci.c')
-rw-r--r--drivers/ide/setup-pci.c142
1 files changed, 73 insertions, 69 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index a8e9e8a69a5..34a5e5223d5 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -1,13 +1,14 @@
/*
* Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 1995-1998 Mark Lord
- * Copyright (C) 2007 Bartlomiej Zolnierkiewicz
+ * Copyright (C) 2007-2009 Bartlomiej Zolnierkiewicz
*
* May be copied or modified under the terms of the GNU General Public License
*/
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/export.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -130,7 +131,7 @@ int ide_pci_check_simplex(ide_hwif_t *hwif, const struct ide_port_info *d)
* we tune the drive then try to grab DMA ownership if we want to be
* the DMA end. This has to be become dynamic to handle hot-plug.
*/
- dma_stat = hwif->tp_ops->read_sff_dma_status(hwif);
+ dma_stat = hwif->dma_ops->dma_sff_read_status(hwif);
if ((dma_stat & 0x80) && hwif->mate && hwif->mate->dma_base) {
printk(KERN_INFO "%s %s: simplex device: DMA disabled\n",
d->name, pci_name(dev));
@@ -208,7 +209,7 @@ static int ide_pci_enable(struct pci_dev *dev, const struct ide_port_info *d)
* a DMA mask field to the struct ide_port_info if we need it
* (or let lower level driver set the DMA mask)
*/
- ret = pci_set_dma_mask(dev, DMA_32BIT_MASK);
+ ret = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
if (ret < 0) {
printk(KERN_ERR "%s %s: can't set DMA mask\n",
d->name, pci_name(dev));
@@ -301,12 +302,11 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
}
/**
- * ide_hw_configure - configure a hw_regs_t instance
+ * ide_hw_configure - configure a struct ide_hw instance
* @dev: PCI device holding interface
* @d: IDE port info
* @port: port number
- * @irq: PCI IRQ
- * @hw: hw_regs_t instance corresponding to this port
+ * @hw: struct ide_hw instance corresponding to this port
*
* Perform the initial set up for the hardware interface structure. This
* is done per interface port rather than per PCI device. There may be
@@ -316,7 +316,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
*/
static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d,
- unsigned int port, int irq, hw_regs_t *hw)
+ unsigned int port, struct ide_hw *hw)
{
unsigned long ctl = 0, base = 0;
@@ -344,9 +344,7 @@ static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d,
}
memset(hw, 0, sizeof(*hw));
- hw->irq = irq;
hw->dev = &dev->dev;
- hw->chipset = d->chipset ? d->chipset : ide_pci;
ide_std_init_ports(hw, base, ctl | 2);
return 0;
@@ -377,6 +375,9 @@ int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d)
hwif->dma_base = base;
+ if (hwif->dma_ops == NULL)
+ hwif->dma_ops = &sff_dma_ops;
+
if (ide_pci_check_simplex(hwif, d) < 0)
return -1;
@@ -393,8 +394,6 @@ int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d)
if (ide_allocate_dma_engine(hwif))
return -1;
-
- hwif->dma_ops = &sff_dma_ops;
}
return 0;
@@ -447,9 +446,8 @@ out:
* ide_pci_setup_ports - configure ports/devices on PCI IDE
* @dev: PCI device
* @d: IDE port info
- * @pciirq: IRQ line
- * @hw: hw_regs_t instances corresponding to this PCI IDE device
- * @hws: hw_regs_t pointers table to update
+ * @hw: struct ide_hw instances corresponding to this PCI IDE device
+ * @hws: struct ide_hw pointers table to update
*
* Scan the interfaces attached to this device and do any
* necessary per port setup. Attach the devices and ask the
@@ -461,7 +459,7 @@ out:
*/
void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d,
- int pciirq, hw_regs_t *hw, hw_regs_t **hws)
+ struct ide_hw *hw, struct ide_hw **hws)
{
int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port;
u8 tmp;
@@ -471,7 +469,7 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d,
*/
for (port = 0; port < channels; ++port) {
- const ide_pci_enablebit_t *e = &(d->enablebits[port]);
+ const struct ide_pci_enablebit *e = &d->enablebits[port];
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val)) {
@@ -480,7 +478,7 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d,
continue; /* port not enabled */
}
- if (ide_hw_configure(dev, d, port, pciirq, hw + port))
+ if (ide_hw_configure(dev, d, port, hw + port))
continue;
*(hws + port) = hw + port;
@@ -519,12 +517,11 @@ static int do_ide_setup_pci_device(struct pci_dev *dev,
if (ret < 0)
goto out;
- /* Is it an "IDE storage" device in non-PCI mode? */
- if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 5) != 5) {
+ if (ide_pci_is_in_compatibility_mode(dev)) {
if (noisy)
printk(KERN_INFO "%s %s: not 100%% native mode: will "
"probe irqs later\n", d->name, pci_name(dev));
- pciirq = ret;
+ pciirq = 0;
} else if (!pciirq && noisy) {
printk(KERN_WARNING "%s %s: bad irq (%d): will probe later\n",
d->name, pci_name(dev), pciirq);
@@ -538,77 +535,40 @@ out:
return ret;
}
-int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d,
- void *priv)
-{
- struct ide_host *host;
- hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
- int ret;
-
- ret = ide_setup_pci_controller(dev, d, 1);
- if (ret < 0)
- goto out;
-
- ide_pci_setup_ports(dev, d, 0, &hw[0], &hws[0]);
-
- host = ide_host_alloc(d, hws);
- if (host == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- host->dev[0] = &dev->dev;
-
- host->host_priv = priv;
-
- pci_set_drvdata(dev, host);
-
- ret = do_ide_setup_pci_device(dev, d, 1);
- if (ret < 0)
- goto out;
-
- /* fixup IRQ */
- hw[1].irq = hw[0].irq = ret;
-
- ret = ide_host_register(host, d, hws);
- if (ret)
- ide_host_free(host);
-out:
- return ret;
-}
-EXPORT_SYMBOL_GPL(ide_pci_init_one);
-
int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2,
const struct ide_port_info *d, void *priv)
{
struct pci_dev *pdev[] = { dev1, dev2 };
struct ide_host *host;
- int ret, i;
- hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
+ int ret, i, n_ports = dev2 ? 4 : 2;
+ struct ide_hw hw[4], *hws[] = { NULL, NULL, NULL, NULL };
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < n_ports / 2; i++) {
ret = ide_setup_pci_controller(pdev[i], d, !i);
if (ret < 0)
goto out;
- ide_pci_setup_ports(pdev[i], d, 0, &hw[i*2], &hws[i*2]);
+ ide_pci_setup_ports(pdev[i], d, &hw[i*2], &hws[i*2]);
}
- host = ide_host_alloc(d, hws);
+ host = ide_host_alloc(d, hws, n_ports);
if (host == NULL) {
ret = -ENOMEM;
goto out;
}
host->dev[0] = &dev1->dev;
- host->dev[1] = &dev2->dev;
+ if (dev2)
+ host->dev[1] = &dev2->dev;
host->host_priv = priv;
+ host->irq_flags = IRQF_SHARED;
pci_set_drvdata(pdev[0], host);
- pci_set_drvdata(pdev[1], host);
+ if (dev2)
+ pci_set_drvdata(pdev[1], host);
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < n_ports / 2; i++) {
ret = do_ide_setup_pci_device(pdev[i], d, !i);
/*
@@ -619,7 +579,11 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2,
goto out;
/* fixup IRQ */
- hw[i*2 + 1].irq = hw[i*2].irq = ret;
+ if (ide_pci_is_in_compatibility_mode(pdev[i])) {
+ hw[i*2].irq = pci_get_legacy_ide_irq(pdev[i], 0);
+ hw[i*2 + 1].irq = pci_get_legacy_ide_irq(pdev[i], 1);
+ } else
+ hw[i*2 + 1].irq = hw[i*2].irq = ret;
}
ret = ide_host_register(host, d, hws);
@@ -630,6 +594,13 @@ out:
}
EXPORT_SYMBOL_GPL(ide_pci_init_two);
+int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d,
+ void *priv)
+{
+ return ide_pci_init_two(dev, NULL, d, priv);
+}
+EXPORT_SYMBOL_GPL(ide_pci_init_one);
+
void ide_pci_remove(struct pci_dev *dev)
{
struct ide_host *host = pci_get_drvdata(dev);
@@ -659,3 +630,36 @@ void ide_pci_remove(struct pci_dev *dev)
pci_disable_device(dev);
}
EXPORT_SYMBOL_GPL(ide_pci_remove);
+
+#ifdef CONFIG_PM
+int ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+ pci_save_state(dev);
+ pci_disable_device(dev);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ide_pci_suspend);
+
+int ide_pci_resume(struct pci_dev *dev)
+{
+ struct ide_host *host = pci_get_drvdata(dev);
+ int rc;
+
+ pci_set_power_state(dev, PCI_D0);
+
+ rc = pci_enable_device(dev);
+ if (rc)
+ return rc;
+
+ pci_restore_state(dev);
+ pci_set_master(dev);
+
+ if (host->init_chipset)
+ host->init_chipset(dev);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ide_pci_resume);
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 17:28:14 +0000