X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fpcmcia%2Fss.h;h=344705cb42f419478fccefeb8cf5479a8d4d8a9b;hb=04de0816173c86948b75da93a6344a0a02bbec4d;hp=7c23be706f128bbc02365e868687aa3dbcc73047;hpb=d9b2c4d0b03c721808c0d259e43a27f1e80205bc;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
index 7c23be7..344705c 100644
--- a/include/pcmcia/ss.h
+++ b/include/pcmcia/ss.h
@@ -134,9 +134,9 @@ struct pccard_operations {
 
 struct pcmcia_socket {
 	struct module			*owner;
-	spinlock_t			lock;
 	socket_state_t			socket;
 	u_int				state;
+	u_int				suspended_state;	/* state before suspend */
 	u_short				functions;
 	u_short				lock_count;
 	pccard_mem_map			cis_mem;
@@ -154,7 +154,7 @@ struct pcmcia_socket {
 	struct list_head		socket_list;
 	struct completion		socket_released;
 
- 	/* deprecated */
+	/* deprecated */
 	unsigned int			sock;		/* socket number */
 
 
@@ -164,7 +164,7 @@ struct pcmcia_socket {
 	u_int				map_size;
 	u_int				io_offset;
 	u_int				pci_irq;
-	struct pci_dev *		cb_dev;
+	struct pci_dev			*cb_dev;
 
 
 	/* socket setup is done so resources should be able to be allocated.
@@ -179,9 +179,9 @@ struct pcmcia_socket {
 	u8				reserved:5;
 
 	/* socket operations */
-	struct pccard_operations *	ops;
-	struct pccard_resource_ops *	resource_ops;
-	void *				resource_data;
+	struct pccard_operations	*ops;
+	struct pccard_resource_ops	*resource_ops;
+	void				*resource_data;
 
 	/* Zoom video behaviour is so chip specific its not worth adding
 	   this to _ops */
@@ -200,9 +200,14 @@ struct pcmcia_socket {
 	struct task_struct		*thread;
 	struct completion		thread_done;
 	unsigned int			thread_events;
-	/* protects socket h/w state */
+	unsigned int			sysfs_events;
+
+	/* For the non-trivial interaction between these locks,
+	 * see Documentation/pcmcia/locking.txt */
 	struct mutex			skt_mutex;
-	/* protects thread_events */
+	struct mutex			ops_mutex;
+
+	/* protects thread_events and sysfs_events */
 	spinlock_t			thread_lock;
 
 	/* pcmcia (16-bit) */
@@ -219,23 +224,16 @@ struct pcmcia_socket {
 
 	/* 16-bit state: */
 	struct {
-		/* PCMCIA card is present in socket */
-		u8			present:1;
 		/* "master" ioctl is used */
 		u8			busy:1;
-		/* pcmcia module is being unloaded */
-		u8			dead:1;
-		/* a multifunction-device add event is pending */
-		u8			device_add_pending:1;
-		/* the pending event adds a mfc (1) or pfc (0) */
-		u8			mfc_pfc:1;
-
-		u8			reserved:3;
-	} pcmcia_state;
+		/* the PCMCIA card consists of two pseudo devices */
+		u8			has_pfc:1;
 
+		u8			reserved:6;
+	} pcmcia_state;
 
-	/* for adding further pseudo-multifunction devices */
-	struct work_struct		device_add;
+	/* non-zero if PCMCIA card is present */
+	atomic_t			present;
 
 #ifdef CONFIG_PCMCIA_IOCTL
 	struct user_info_t		*user;
@@ -243,12 +241,6 @@ struct pcmcia_socket {
 #endif /* CONFIG_PCMCIA_IOCTL */
 #endif /* CONFIG_PCMCIA */
 
-	/* cardbus (32-bit) */
-#ifdef CONFIG_CARDBUS
-	struct resource *		cb_cis_res;
-	void __iomem			*cb_cis_virt;
-#endif /* CONFIG_CARDBUS */
-
 	/* socket device */
 	struct device			dev;
 	/* data internal to the socket driver */
@@ -263,19 +255,25 @@ struct pcmcia_socket {
  * - pccard_static_ops		iomem and ioport areas are assigned statically
  * - pccard_iodyn_ops		iomem areas is assigned statically, ioport
  *				areas dynamically
+ *				If this option is selected, use
+ *				"select PCCARD_IODYN" in Kconfig.
  * - pccard_nonstatic_ops	iomem and ioport areas are assigned dynamically.
  *				If this option is selected, use
  *				"select PCCARD_NONSTATIC" in Kconfig.
+ *
  */
 extern struct pccard_resource_ops pccard_static_ops;
+#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
 extern struct pccard_resource_ops pccard_iodyn_ops;
 extern struct pccard_resource_ops pccard_nonstatic_ops;
+#else
+/* If PCMCIA is not used, but only CARDBUS, these functions are not used
+ * at all. Therefore, do not use the large (240K!) rsrc_nonstatic module
+ */
+#define pccard_iodyn_ops pccard_static_ops
+#define pccard_nonstatic_ops pccard_static_ops
+#endif
 
-/* socket drivers are expected to use these callbacks in their .drv struct */
-extern int pcmcia_socket_dev_suspend(struct device *dev);
-extern void pcmcia_socket_dev_early_resume(struct device *dev);
-extern void pcmcia_socket_dev_late_resume(struct device *dev);
-extern int pcmcia_socket_dev_resume(struct device *dev);
 
 /* socket drivers use this callback in their IRQ handler */
 extern void pcmcia_parse_events(struct pcmcia_socket *socket,