*
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
-
-#ifdef CONFIG_PNP_DEBUG
- #define DEBUG
-#else
- #undef DEBUG
-#endif
-
#include <linux/pnp.h>
+#include <linux/slab.h>
+#include <linux/bitmap.h>
#include "base.h"
DECLARE_MUTEX(pnp_res_mutex);
static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
{
- unsigned long *start, *end, *flags;
+ resource_size_t *start, *end;
+ unsigned long *flags;
if (!dev || !rule)
return -EINVAL;
static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
{
- unsigned long *start, *end, *flags;
+ resource_size_t *start, *end;
+ unsigned long *flags;
if (!dev || !rule)
return -EINVAL;
static int pnp_assign_irq(struct pnp_dev * dev, struct pnp_irq *rule, int idx)
{
- unsigned long *start, *end, *flags;
+ resource_size_t *start, *end;
+ unsigned long *flags;
int i;
/* IRQ priority: this table is good for i386 */
static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
{
- unsigned long *start, *end, *flags;
+ resource_size_t *start, *end;
+ unsigned long *flags;
int i;
/* DMA priority: this table is good for i386 */
* pnp_manual_config_dev - Disables Auto Config and Manually sets the resource table
* @dev: pointer to the desired device
* @res: pointer to the new resource config
+ * @mode: 0 or PNP_CONFIG_FORCE
*
* This function can be used by drivers that want to manually set thier resources.
*/
return -EBUSY;
}
+/**
+ * pnp_start_dev - low-level start of the PnP device
+ * @dev: pointer to the desired device
+ *
+ * assumes that resources have alread been allocated
+ */
+
+int pnp_start_dev(struct pnp_dev *dev)
+{
+ if (!pnp_can_write(dev)) {
+ pnp_info("Device %s does not support activation.", dev->dev.bus_id);
+ return -EINVAL;
+ }
+
+ if (dev->protocol->set(dev, &dev->res)<0) {
+ pnp_err("Failed to activate device %s.", dev->dev.bus_id);
+ return -EIO;
+ }
+
+ pnp_info("Device %s activated.", dev->dev.bus_id);
+
+ return 0;
+}
+
+/**
+ * pnp_stop_dev - low-level disable of the PnP device
+ * @dev: pointer to the desired device
+ *
+ * does not free resources
+ */
+
+int pnp_stop_dev(struct pnp_dev *dev)
+{
+ if (!pnp_can_disable(dev)) {
+ pnp_info("Device %s does not support disabling.", dev->dev.bus_id);
+ return -EINVAL;
+ }
+ if (dev->protocol->disable(dev)<0) {
+ pnp_err("Failed to disable device %s.", dev->dev.bus_id);
+ return -EIO;
+ }
+
+ pnp_info("Device %s disabled.", dev->dev.bus_id);
+
+ return 0;
+}
+
/**
* pnp_activate_dev - activates a PnP device for use
* @dev: pointer to the desired device
*/
int pnp_activate_dev(struct pnp_dev *dev)
{
+ int error;
+
if (!dev)
return -EINVAL;
if (dev->active) {
if (pnp_auto_config_dev(dev))
return -EBUSY;
- if (!pnp_can_write(dev)) {
- pnp_info("Device %s does not supported activation.", dev->dev.bus_id);
- return -EINVAL;
- }
-
- if (dev->protocol->set(dev, &dev->res)<0) {
- pnp_err("Failed to activate device %s.", dev->dev.bus_id);
- return -EIO;
- }
+ error = pnp_start_dev(dev);
+ if (error)
+ return error;
dev->active = 1;
- pnp_info("Device %s activated.", dev->dev.bus_id);
return 1;
}
*/
int pnp_disable_dev(struct pnp_dev *dev)
{
+ int error;
+
if (!dev)
return -EINVAL;
if (!dev->active) {
return 0; /* the device is already disabled */
}
- if (!pnp_can_disable(dev)) {
- pnp_info("Device %s does not supported disabling.", dev->dev.bus_id);
- return -EINVAL;
- }
- if (dev->protocol->disable(dev)<0) {
- pnp_err("Failed to disable device %s.", dev->dev.bus_id);
- return -EIO;
- }
+ error = pnp_stop_dev(dev);
+ if (error)
+ return error;
dev->active = 0;
- pnp_info("Device %s disabled.", dev->dev.bus_id);
/* release the resources so that other devices can use them */
down(&pnp_res_mutex);
* @size: size of region
*
*/
-void pnp_resource_change(struct resource *resource, unsigned long start, unsigned long size)
+void pnp_resource_change(struct resource *resource, resource_size_t start,
+ resource_size_t size)
{
if (resource == NULL)
return;
EXPORT_SYMBOL(pnp_manual_config_dev);
+#if 0
EXPORT_SYMBOL(pnp_auto_config_dev);
+#endif
+EXPORT_SYMBOL(pnp_start_dev);
+EXPORT_SYMBOL(pnp_stop_dev);
EXPORT_SYMBOL(pnp_activate_dev);
EXPORT_SYMBOL(pnp_disable_dev);
EXPORT_SYMBOL(pnp_resource_change);