#include <linux/acpi.h>
#include <linux/pnp.h>
+#include <linux/mod_devicetable.h>
#include <acpi/acpi_bus.h>
+#include <acpi/actypes.h>
+
#include "pnpacpi.h"
static int num = 0;
* used by the kernel (PCI root, ...), as it is harmless and there were
* already present in pnpbios. But there is an exception for devices that
* have irqs (PIC, Timer) because we call acpi_register_gsi.
- * Finaly only devices that have a CRS method need to be in this list.
+ * Finally, only devices that have a CRS method need to be in this list.
*/
-static char __initdata excluded_id_list[] =
- "PNP0C09," /* EC */
- "PNP0C0F," /* Link device */
- "PNP0000," /* PIC */
- "PNP0100," /* Timer */
- ;
+static struct __initdata acpi_device_id excluded_id_list[] = {
+ {"PNP0C09", 0}, /* EC */
+ {"PNP0C0F", 0}, /* Link device */
+ {"PNP0000", 0}, /* PIC */
+ {"PNP0100", 0}, /* Timer */
+ {"", 0},
+};
+
static inline int is_exclusive_device(struct acpi_device *dev)
{
- return (!acpi_match_ids(dev, excluded_id_list));
+ return (!acpi_match_device_ids(dev, excluded_id_list));
}
/*
str[7] = '\0';
}
-static int pnpacpi_get_resources(struct pnp_dev * dev, struct pnp_resource_table * res)
+static int pnpacpi_get_resources(struct pnp_dev *dev,
+ struct pnp_resource_table *res)
{
acpi_status status;
- status = pnpacpi_parse_allocated_resource((acpi_handle)dev->data,
- &dev->res);
+
+ status = pnpacpi_parse_allocated_resource((acpi_handle) dev->data,
+ &dev->res);
return ACPI_FAILURE(status) ? -ENODEV : 0;
}
-static int pnpacpi_set_resources(struct pnp_dev * dev, struct pnp_resource_table * res)
+static int pnpacpi_set_resources(struct pnp_dev *dev,
+ struct pnp_resource_table *res)
{
acpi_handle handle = dev->data;
struct acpi_buffer buffer;
acpi_status status;
/* acpi_unregister_gsi(pnp_irq(dev, 0)); */
- status = acpi_evaluate_object((acpi_handle)dev->data,
- "_DIS", NULL, NULL);
+ status = acpi_evaluate_object((acpi_handle) dev->data,
+ "_DIS", NULL, NULL);
return ACPI_FAILURE(status) ? -ENODEV : 0;
}
+#ifdef CONFIG_ACPI_SLEEP
+static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
+{
+ int power_state;
+
+ power_state = acpi_pm_device_sleep_state(&dev->dev,
+ device_may_wakeup(&dev->dev),
+ NULL);
+ if (power_state < 0)
+ power_state = (state.event == PM_EVENT_ON) ?
+ ACPI_STATE_D0 : ACPI_STATE_D3;
+
+ return acpi_bus_set_power((acpi_handle) dev->data, power_state);
+}
+
+static int pnpacpi_resume(struct pnp_dev *dev)
+{
+ return acpi_bus_set_power((acpi_handle) dev->data, ACPI_STATE_D0);
+}
+#endif
+
static struct pnp_protocol pnpacpi_protocol = {
- .name = "Plug and Play ACPI",
- .get = pnpacpi_get_resources,
- .set = pnpacpi_set_resources,
+ .name = "Plug and Play ACPI",
+ .get = pnpacpi_get_resources,
+ .set = pnpacpi_set_resources,
.disable = pnpacpi_disable_resources,
+#ifdef CONFIG_ACPI_SLEEP
+ .suspend = pnpacpi_suspend,
+ .resume = pnpacpi_resume,
+#endif
};
static int __init pnpacpi_add_device(struct acpi_device *device)
status = acpi_get_handle(device->handle, "_CRS", &temp);
if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
- is_exclusive_device(device))
+ is_exclusive_device(device))
return 0;
- pnp_dbg("ACPI device : hid %s", acpi_device_hid(device));
- dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL);
+ dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL);
if (!dev) {
pnp_err("Out of memory");
return -ENOMEM;
}
dev->data = device->handle;
- /* .enabled means if the device can decode the resources */
+ /* .enabled means the device can decode the resources */
dev->active = device->status.enabled;
status = acpi_get_handle(device->handle, "_SRS", &temp);
if (ACPI_SUCCESS(status))
dev->capabilities |= PNP_CONFIGURABLE;
dev->capabilities |= PNP_READ;
- if (device->flags.dynamic_status)
+ if (device->flags.dynamic_status && (dev->capabilities & PNP_CONFIGURABLE))
dev->capabilities |= PNP_WRITE;
if (device->flags.removable)
dev->capabilities |= PNP_REMOVABLE;
pnpidacpi_to_pnpid(acpi_device_hid(device), dev_id->id);
pnp_add_id(dev_id, dev);
- if(dev->active) {
+ if (dev->active) {
/* parse allocated resource */
- status = pnpacpi_parse_allocated_resource(device->handle, &dev->res);
+ status = pnpacpi_parse_allocated_resource(device->handle,
+ &dev->res);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
- pnp_err("PnPACPI: METHOD_NAME__CRS failure for %s", dev_id->id);
+ pnp_err("PnPACPI: METHOD_NAME__CRS failure for %s",
+ dev_id->id);
goto err1;
}
}
- if(dev->capabilities & PNP_CONFIGURABLE) {
+ if (dev->capabilities & PNP_CONFIGURABLE) {
status = pnpacpi_parse_resource_option_data(device->handle,
- dev);
+ dev);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
- pnp_err("PnPACPI: METHOD_NAME__PRS failure for %s", dev_id->id);
+ pnp_err("PnPACPI: METHOD_NAME__PRS failure for %s",
+ dev_id->id);
goto err1;
}
}
if (!dev->active)
pnp_init_resource_table(&dev->res);
pnp_add_device(dev);
- num ++;
+ num++;
return AE_OK;
err1:
}
static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle,
- u32 lvl, void *context, void **rv)
+ u32 lvl, void *context,
+ void **rv)
{
struct acpi_device *device;
static int __init acpi_pnp_match(struct device *dev, void *_pnp)
{
- struct acpi_device *acpi = to_acpi_device(dev);
- struct pnp_dev *pnp = _pnp;
+ struct acpi_device *acpi = to_acpi_device(dev);
+ struct pnp_dev *pnp = _pnp;
/* true means it matched */
return acpi->flags.hardware_id
- && !acpi_get_physical_device(acpi->handle)
- && compare_pnp_id(pnp->id, acpi->pnp.hardware_id);
+ && !acpi_get_physical_device(acpi->handle)
+ && compare_pnp_id(pnp->id, acpi->pnp.hardware_id);
}
-static int __init acpi_pnp_find_device(struct device *dev, acpi_handle *handle)
+static int __init acpi_pnp_find_device(struct device *dev, acpi_handle * handle)
{
- struct device *adev;
- struct acpi_device *acpi;
+ struct device *adev;
+ struct acpi_device *acpi;
adev = bus_find_device(&acpi_bus_type, NULL,
- to_pnp_dev(dev),
- acpi_pnp_match);
+ to_pnp_dev(dev), acpi_pnp_match);
if (!adev)
return -ENODEV;
* pnpdev->dev.archdata.acpi_handle point to its ACPI sibling.
*/
static struct acpi_bus_type __initdata acpi_pnp_bus = {
- .bus = &pnp_bus_type,
+ .bus = &pnp_bus_type,
.find_device = acpi_pnp_find_device,
};
pnp_platform_devices = 1;
return 0;
}
+
subsys_initcall(pnpacpi_init);
static int __init pnpacpi_setup(char *str)
pnpacpi_disabled = 1;
return 1;
}
-__setup("pnpacpi=", pnpacpi_setup);
-#if 0
-EXPORT_SYMBOL(pnpacpi_protocol);
-#endif
+__setup("pnpacpi=", pnpacpi_setup);
projects / linux-2.6-omap-h63xx.git / blobdiff