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authorDominik Brodowski <linux@dominikbrodowski.net>2008-08-26 00:09:56 +0200
committerDominik Brodowski <linux@dominikbrodowski.net>2008-08-26 00:09:56 +0200
commitc23889ca5afcce60bb01739cd831c3cbcbab2a06 (patch)
tree3c5d78d0a6c1a6f5e1fce0f4644d4eec1b9b1b09 /include/pcmcia
parentb60a5ede1e3a6a09a881c3ff014164fbe4d481b4 (diff)
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pcmcia: cleanup socket services header file
The header file for use by (in-kernel) PCMCIA sockets deserved a major cleanup. Some stuff only used by the pcmcia core modules was moved to cs_internal.h Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'include/pcmcia')
-rw-r--r--include/pcmcia/ss.h198
1 files changed, 91 insertions, 107 deletions
diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
index e34bef0fc74..9b4ac9385f5 100644
--- a/include/pcmcia/ss.h
+++ b/include/pcmcia/ss.h
@@ -53,10 +53,10 @@
/* for GetSocket, SetSocket */
typedef struct socket_state_t {
- u_int flags;
- u_int csc_mask;
- u_char Vcc, Vpp;
- u_char io_irq;
+ u_int flags;
+ u_int csc_mask;
+ u_char Vcc, Vpp;
+ u_char io_irq;
} socket_state_t;
extern socket_state_t dead_socket;
@@ -86,79 +86,22 @@ extern socket_state_t dead_socket;
#define HOOK_POWER_PRE 0x01
#define HOOK_POWER_POST 0x02
-
typedef struct pccard_io_map {
- u_char map;
- u_char flags;
- u_short speed;
- u_int start, stop;
+ u_char map;
+ u_char flags;
+ u_short speed;
+ u_int start, stop;
} pccard_io_map;
typedef struct pccard_mem_map {
- u_char map;
- u_char flags;
- u_short speed;
- u_long static_start;
- u_int card_start;
- struct resource *res;
+ u_char map;
+ u_char flags;
+ u_short speed;
+ u_long static_start;
+ u_int card_start;
+ struct resource *res;
} pccard_mem_map;
-typedef struct cb_bridge_map {
- u_char map;
- u_char flags;
- u_int start, stop;
-} cb_bridge_map;
-
-/*
- * Socket operations.
- */
-struct pcmcia_socket;
-
-struct pccard_operations {
- int (*init)(struct pcmcia_socket *sock);
- int (*suspend)(struct pcmcia_socket *sock);
- int (*get_status)(struct pcmcia_socket *sock, u_int *value);
- int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state);
- int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io);
- int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem);
-};
-
-struct pccard_resource_ops {
- int (*validate_mem) (struct pcmcia_socket *s);
- int (*adjust_io_region) (struct resource *res,
- unsigned long r_start,
- unsigned long r_end,
- struct pcmcia_socket *s);
- struct resource* (*find_io) (unsigned long base, int num,
- unsigned long align,
- struct pcmcia_socket *s);
- struct resource* (*find_mem) (unsigned long base, unsigned long num,
- unsigned long align, int low,
- struct pcmcia_socket *s);
- int (*add_io) (struct pcmcia_socket *s,
- unsigned int action,
- unsigned long r_start,
- unsigned long r_end);
- int (*add_mem) (struct pcmcia_socket *s,
- unsigned int action,
- unsigned long r_start,
- unsigned long r_end);
- int (*init) (struct pcmcia_socket *s);
- void (*exit) (struct pcmcia_socket *s);
-};
-/* SS_CAP_STATIC_MAP */
-extern struct pccard_resource_ops pccard_static_ops;
-/* !SS_CAP_STATIC_MAP */
-extern struct pccard_resource_ops pccard_nonstatic_ops;
-
-/* static mem, dynamic IO sockets */
-extern struct pccard_resource_ops pccard_iodyn_ops;
-
-/*
- * Calls to set up low-level "Socket Services" drivers
- */
-struct pcmcia_socket;
-
typedef struct io_window_t {
u_int InUse, Config;
struct resource *res;
@@ -179,10 +122,25 @@ typedef struct window_t {
/* Maximum number of memory windows per socket */
#define MAX_WIN 4
+
+/*
+ * Socket operations.
+ */
+struct pcmcia_socket;
+struct pccard_resource_ops;
struct config_t;
struct pcmcia_callback;
struct user_info_t;
+struct pccard_operations {
+ int (*init)(struct pcmcia_socket *s);
+ int (*suspend)(struct pcmcia_socket *s);
+ int (*get_status)(struct pcmcia_socket *s, u_int *value);
+ int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
+ int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
+ int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
+};
+
struct pcmcia_socket {
struct module *owner;
spinlock_t lock;
@@ -218,12 +176,12 @@ struct pcmcia_socket {
struct pci_dev * cb_dev;
- /* socket setup is done so resources should be able to be allocated. Only
- * if set to 1, calls to find_{io,mem}_region are handled, and insertion
- * events are actually managed by the PCMCIA layer.*/
+ /* socket setup is done so resources should be able to be allocated.
+ * Only if set to 1, calls to find_{io,mem}_region are handled, and
+ * insertio events are actually managed by the PCMCIA layer.*/
u8 resource_setup_done:1;
- /* is set to one if resource setup is done using adjust_resource_info() */
+ /* It's old if resource setup is done using adjust_resource_info() */
u8 resource_setup_old:1;
u8 resource_setup_new:1;
@@ -236,75 +194,101 @@ struct pcmcia_socket {
/* Zoom video behaviour is so chip specific its not worth adding
this to _ops */
- void (*zoom_video)(struct pcmcia_socket *, int);
+ void (*zoom_video)(struct pcmcia_socket *,
+ int);
/* so is power hook */
int (*power_hook)(struct pcmcia_socket *sock, int operation);
-#ifdef CONFIG_CARDBUS
+
/* allows tuning the CB bridge before loading driver for the CB card */
+#ifdef CONFIG_CARDBUS
void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
#endif
/* state thread */
- struct mutex skt_mutex; /* protects socket h/w state */
-
struct task_struct *thread;
struct completion thread_done;
- spinlock_t thread_lock; /* protects thread_events */
unsigned int thread_events;
+ /* protects socket h/w state */
+ struct mutex skt_mutex;
+ /* protects thread_events */
+ spinlock_t thread_lock;
/* pcmcia (16-bit) */
struct pcmcia_callback *callback;
#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
- struct list_head devices_list; /* PCMCIA devices */
- u8 device_count; /* the number of devices, used
- * only internally and subject
- * to incorrectness and change */
+ /* The following elements refer to 16-bit PCMCIA devices inserted
+ * into the socket */
+ struct list_head devices_list;
+
+ /* the number of devices, used only internally and subject to
+ * incorrectness and change */
+ u8 device_count;
+ /* 16-bit state: */
struct {
- u8 present:1, /* PCMCIA card is present in socket */
- busy:1, /* "master" ioctl is used */
- dead:1, /* pcmcia module is being unloaded */
- device_add_pending:1, /* a multifunction-device
- * add event is pending */
- mfc_pfc:1, /* the pending event adds a mfc (1) or pfc (0) */
- reserved:3;
- } pcmcia_state;
-
- struct work_struct device_add; /* for adding further pseudo-multifunction
- * devices */
+ /* 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;
+
+
+ /* for adding further pseudo-multifunction devices */
+ struct work_struct device_add;
#ifdef CONFIG_PCMCIA_IOCTL
struct user_info_t *user;
wait_queue_head_t queue;
-#endif
-#endif
+#endif /* CONFIG_PCMCIA_IOCTL */
+#endif /* CONFIG_PCMCIA */
/* cardbus (32-bit) */
#ifdef CONFIG_CARDBUS
struct resource * cb_cis_res;
void __iomem *cb_cis_virt;
-#endif
+#endif /* CONFIG_CARDBUS */
/* socket device */
struct device dev;
- void *driver_data; /* data internal to the socket driver */
-
+ /* data internal to the socket driver */
+ void *driver_data;
};
-struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr);
+/* socket drivers must define the resource operations type they use. There
+ * are three options:
+ * - pccard_static_ops iomem and ioport areas are assigned statically
+ * - pccard_iodyn_ops iomem areas is assigned statically, ioport
+ * areas dynamically
+ * - 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;
+extern struct pccard_resource_ops pccard_iodyn_ops;
+extern struct pccard_resource_ops pccard_nonstatic_ops;
+/* socket drivers are expected to use these callbacks in their .drv struct */
+extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
+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,
+ unsigned int events);
-extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events);
+/* to register and unregister a socket */
extern int pcmcia_register_socket(struct pcmcia_socket *socket);
extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
-extern struct class pcmcia_socket_class;
-
-/* socket drivers are expected to use these callbacks in their .drv struct */
-extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
-extern int pcmcia_socket_dev_resume(struct device *dev);
#endif /* _LINUX_SS_H */