/*
* Linux Plug and Play Support
* Copyright by Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#ifndef _LINUX_PNP_H
#define _LINUX_PNP_H
-#ifdef __KERNEL__
-
#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
struct pnp_protocol;
struct pnp_dev;
-struct pnp_resource_table;
/*
* Resource Management
*/
-struct resource *pnp_get_resource(struct pnp_dev *, unsigned int, unsigned int);
+#ifdef CONFIG_PNP
+struct resource *pnp_get_resource(struct pnp_dev *dev, unsigned long type,
+ unsigned int num);
+#else
+static inline struct resource *pnp_get_resource(struct pnp_dev *dev,
+ unsigned long type, unsigned int num)
+{
+ return NULL;
+}
+#endif
static inline int pnp_resource_valid(struct resource *res)
{
- if (res && !(res->flags & IORESOURCE_UNSET))
+ if (res)
+ return 1;
+ return 0;
+}
+
+static inline int pnp_resource_enabled(struct resource *res)
+{
+ if (res && !(res->flags & IORESOURCE_DISABLED))
return 1;
return 0;
}
static inline resource_size_t pnp_port_start(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IO, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return 0;
}
static inline resource_size_t pnp_port_end(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IO, bar)->end;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return res->end;
+ return 0;
}
static inline unsigned long pnp_port_flags(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IO, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_IO | IORESOURCE_AUTO;
}
static inline int pnp_port_valid(struct pnp_dev *dev, unsigned int bar)
static inline resource_size_t pnp_port_len(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_resource_len(pnp_get_resource(dev, IORESOURCE_IO, bar));
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return pnp_resource_len(res);
+ return 0;
}
static inline resource_size_t pnp_mem_start(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_MEM, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return 0;
}
static inline resource_size_t pnp_mem_end(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_MEM, bar)->end;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return res->end;
+ return 0;
}
static inline unsigned long pnp_mem_flags(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_MEM, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_MEM | IORESOURCE_AUTO;
}
static inline int pnp_mem_valid(struct pnp_dev *dev, unsigned int bar)
static inline resource_size_t pnp_mem_len(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_resource_len(pnp_get_resource(dev, IORESOURCE_MEM, bar));
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return pnp_resource_len(res);
+ return 0;
}
static inline resource_size_t pnp_irq(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IRQ, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IRQ, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return -1;
}
static inline unsigned long pnp_irq_flags(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IRQ, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IRQ, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_IRQ | IORESOURCE_AUTO;
}
static inline int pnp_irq_valid(struct pnp_dev *dev, unsigned int bar)
static inline resource_size_t pnp_dma(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_DMA, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_DMA, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return -1;
}
static inline unsigned long pnp_dma_flags(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_DMA, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_DMA, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_DMA | IORESOURCE_AUTO;
}
static inline int pnp_dma_valid(struct pnp_dev *dev, unsigned int bar)
}
-#define PNP_PORT_FLAG_16BITADDR (1<<0)
-#define PNP_PORT_FLAG_FIXED (1<<1)
-
-struct pnp_port {
- unsigned short min; /* min base number */
- unsigned short max; /* max base number */
- unsigned char align; /* align boundary */
- unsigned char size; /* size of range */
- unsigned char flags; /* port flags */
- unsigned char pad; /* pad */
- struct pnp_port *next; /* next port */
-};
-
-#define PNP_IRQ_NR 256
-struct pnp_irq {
- DECLARE_BITMAP(map, PNP_IRQ_NR); /* bitmask for IRQ lines */
- unsigned char flags; /* IRQ flags */
- unsigned char pad; /* pad */
- struct pnp_irq *next; /* next IRQ */
-};
-
-struct pnp_dma {
- unsigned char map; /* bitmask for DMA channels */
- unsigned char flags; /* DMA flags */
- struct pnp_dma *next; /* next port */
-};
-
-struct pnp_mem {
- unsigned int min; /* min base number */
- unsigned int max; /* max base number */
- unsigned int align; /* align boundary */
- unsigned int size; /* size of range */
- unsigned char flags; /* memory flags */
- unsigned char pad; /* pad */
- struct pnp_mem *next; /* next memory resource */
-};
-
-#define PNP_RES_PRIORITY_PREFERRED 0
-#define PNP_RES_PRIORITY_ACCEPTABLE 1
-#define PNP_RES_PRIORITY_FUNCTIONAL 2
-#define PNP_RES_PRIORITY_INVALID 65535
-
-struct pnp_option {
- unsigned short priority; /* priority */
- struct pnp_port *port; /* first port */
- struct pnp_irq *irq; /* first IRQ */
- struct pnp_dma *dma; /* first DMA */
- struct pnp_mem *mem; /* first memory resource */
- struct pnp_option *next; /* used to chain dependent resources */
-};
-
/*
* Device Management
*/
int active;
int capabilities;
- struct pnp_option *independent;
- struct pnp_option *dependent;
- struct pnp_resource_table *res;
+ unsigned int num_dependent_sets;
+ struct list_head resources;
+ struct list_head options;
char name[PNP_NAME_LEN]; /* contains a human-readable name */
int flags; /* used by protocols */
#define pnp_device_is_pnpbios(dev) 0
#endif
+#ifdef CONFIG_PNPACPI
+extern struct pnp_protocol pnpacpi_protocol;
+
+static inline struct acpi_device *pnp_acpi_device(struct pnp_dev *dev)
+{
+ if (dev->protocol == &pnpacpi_protocol)
+ return dev->data;
+ return NULL;
+}
+#else
+#define pnp_acpi_device(dev) 0
+#endif
+
/* status */
#define PNP_READY 0x0000
#define PNP_ATTACHED 0x0001
unsigned int flags;
int (*probe) (struct pnp_dev *dev, const struct pnp_device_id *dev_id);
void (*remove) (struct pnp_dev *dev);
+ void (*shutdown) (struct pnp_dev *dev);
int (*suspend) (struct pnp_dev *dev, pm_message_t state);
int (*resume) (struct pnp_dev *dev);
struct device_driver driver;
extern struct list_head pnp_cards;
/* resource management */
+int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t base,
+ resource_size_t size);
int pnp_auto_config_dev(struct pnp_dev *dev);
int pnp_start_dev(struct pnp_dev *dev);
int pnp_stop_dev(struct pnp_dev *dev);
int pnp_activate_dev(struct pnp_dev *dev);
int pnp_disable_dev(struct pnp_dev *dev);
+int pnp_range_reserved(resource_size_t start, resource_size_t end);
/* protocol helpers */
int pnp_is_active(struct pnp_dev *dev);
static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) { }
/* resource management */
+static inline int pnp_possible_config(struct pnp_dev *dev, int type,
+ resource_size_t base,
+ resource_size_t size) { return 0; }
static inline int pnp_auto_config_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; }
+static inline int pnp_range_reserved(resource_size_t start, resource_size_t end) { return 0;}
/* protocol helpers */
static inline int pnp_is_active(struct pnp_dev *dev) { return 0; }
#endif /* CONFIG_PNP */
-#define pnp_err(format, arg...) printk(KERN_ERR "pnp: " format "\n" , ## arg)
-#define pnp_info(format, arg...) printk(KERN_INFO "pnp: " format "\n" , ## arg)
-#define pnp_warn(format, arg...) printk(KERN_WARNING "pnp: " format "\n" , ## arg)
-
-#ifdef CONFIG_PNP_DEBUG
-#define pnp_dbg(format, arg...) printk(KERN_DEBUG "pnp: " format "\n" , ## arg)
-#else
-#define pnp_dbg(format, arg...) do {} while (0)
-#endif
-
-#endif /* __KERNEL__ */
-
#endif /* _LINUX_PNP_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff