Merge remote-tracking branch 'spi/for-next'

[karo-tx-linux.git] / drivers / pci / hotplug / acpiphp.h

diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 6c781edabcc6ef7dbc83e79b77fb827634d3c16d..f4e0289246672c0a9157927303945f0934e26d31 100644 (file)
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -49,6 +49,7 @@
 #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
 #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
 
+struct acpiphp_context;
 struct acpiphp_bridge;
 struct acpiphp_slot;
 
@@ -59,6 +60,7 @@ struct slot {
        struct hotplug_slot     *hotplug_slot;
        struct acpiphp_slot     *acpi_slot;
        struct hotplug_slot_info info;
+       unsigned int sun;       /* ACPI _SUN (Slot User Number) value */
 };
 
 static inline const char *slot_name(struct slot *slot)
@@ -75,15 +77,11 @@ struct acpiphp_bridge {
        struct list_head list;
        struct list_head slots;
        struct kref ref;
-       acpi_handle handle;
 
-       /* Ejectable PCI-to-PCI bridge (PCI bridge and PCI function) */
-       struct acpiphp_func *func;
+       struct acpiphp_context *context;
 
        int nr_slots;
 
-       u32 flags;
-
        /* This bus (host bridge) or Secondary bus (PCI-to-PCI bridge) */
        struct pci_bus *pci_bus;
 
@@ -99,15 +97,13 @@ struct acpiphp_bridge {
  */
 struct acpiphp_slot {
        struct list_head node;
-       struct acpiphp_bridge *bridge;  /* parent */
+       struct pci_bus *bus;
        struct list_head funcs;         /* one slot may have different
                                           objects (i.e. for each function) */
        struct slot *slot;
        struct mutex crit_sect;
 
        u8              device;         /* pci device# */
-
-       unsigned long long sun;         /* ACPI _SUN (slot unique number) */
        u32             flags;          /* see below */
 };
 
@@ -119,15 +115,32 @@ struct acpiphp_slot {
  * typically 8 objects per slot (i.e. for each PCI function)
  */
 struct acpiphp_func {
-       struct acpiphp_slot *slot;      /* parent */
+       struct acpiphp_bridge *parent;
+       struct acpiphp_slot *slot;
 
        struct list_head sibling;
-       acpi_handle     handle;
 
        u8              function;       /* pci function# */
        u32             flags;          /* see below */
 };
 
+struct acpiphp_context {
+       acpi_handle handle;
+       struct acpiphp_func func;
+       struct acpiphp_bridge *bridge;
+       unsigned int refcount;
+};
+
+static inline struct acpiphp_context *func_to_context(struct acpiphp_func *func)
+{
+       return container_of(func, struct acpiphp_context, func);
+}
+
+static inline acpi_handle func_to_handle(struct acpiphp_func *func)
+{
+       return func_to_context(func)->handle;
+}
+
 /*
  * struct acpiphp_attention_info - device specific attention registration
  *
@@ -141,45 +154,32 @@ struct acpiphp_attention_info
        struct module *owner;
 };
 
-/* PCI bus bridge HID */
-#define ACPI_PCI_HOST_HID              "PNP0A03"
-
 /* ACPI _STA method value (ignore bit 4; battery present) */
 #define ACPI_STA_ALL                   (0x0000000f)
 
-/* bridge flags */
-#define BRIDGE_HAS_EJ0         (0x00000001)
-
 /* slot flags */
 
-#define SLOT_POWEREDON         (0x00000001)
-#define SLOT_ENABLED           (0x00000002)
-#define SLOT_MULTIFUNCTION     (0x00000004)
+#define SLOT_ENABLED           (0x00000001)
 
 /* function flags */
 
 #define FUNC_HAS_STA           (0x00000001)
 #define FUNC_HAS_EJ0           (0x00000002)
-#define FUNC_HAS_PS0           (0x00000010)
-#define FUNC_HAS_PS1           (0x00000020)
-#define FUNC_HAS_PS2           (0x00000040)
-#define FUNC_HAS_PS3           (0x00000080)
-#define FUNC_HAS_DCK            (0x00000100)
+#define FUNC_HAS_DCK            (0x00000004)
 
 /* function prototypes */
 
 /* acpiphp_core.c */
 int acpiphp_register_attention(struct acpiphp_attention_info*info);
 int acpiphp_unregister_attention(struct acpiphp_attention_info *info);
-int acpiphp_register_hotplug_slot(struct acpiphp_slot *slot);
+int acpiphp_register_hotplug_slot(struct acpiphp_slot *slot, unsigned int sun);
 void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *slot);
 
 /* acpiphp_glue.c */
 typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data);
 
 int acpiphp_enable_slot(struct acpiphp_slot *slot);
-int acpiphp_disable_slot(struct acpiphp_slot *slot);
-int acpiphp_eject_slot(struct acpiphp_slot *slot);
+int acpiphp_disable_and_eject_slot(struct acpiphp_slot *slot);
 u8 acpiphp_get_power_status(struct acpiphp_slot *slot);
 u8 acpiphp_get_attention_status(struct acpiphp_slot *slot);
 u8 acpiphp_get_latch_status(struct acpiphp_slot *slot);