1 files changed, 78 insertions, 68 deletions

diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 63b128d512fb..1ce54b63085d 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -1,6 +1,8 @@
 /*
  * 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
@@ -15,7 +17,6 @@
 
 struct pnp_protocol;
 struct pnp_dev;
-struct pnp_resource_table;
 
 /*
  * Resource Management
@@ -24,7 +25,14 @@ struct resource *pnp_get_resource(struct pnp_dev *, unsigned int, unsigned int);
 
 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;
 }
@@ -40,19 +48,31 @@ static inline resource_size_t pnp_resource_len(struct resource *res)
 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)
@@ -63,25 +83,41 @@ 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)
@@ -92,18 +128,30 @@ 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)
@@ -114,12 +162,20 @@ 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)
@@ -128,57 +184,6 @@ 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
  */
@@ -246,9 +251,9 @@ struct pnp_dev {
 
         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 */
@@ -425,6 +430,8 @@ void pnp_unregister_card_driver(struct pnp_card_driver *drv);
 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);
@@ -452,6 +459,9 @@ static inline int pnp_register_card_driver(struct pnp_card_driver *drv) { return
 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; }