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-rw-r--r--include/pcmcia/ss.h250
1 files changed, 105 insertions, 145 deletions
diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
index f95dca077c1..731cde010f4 100644
--- a/include/pcmcia/ss.h
+++ b/include/pcmcia/ss.h
@@ -19,9 +19,6 @@
#include <linux/sched.h> /* task_struct, completion */
#include <linux/mutex.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
-#include <pcmcia/bulkmem.h>
#ifdef CONFIG_CARDBUS
#include <linux/pci.h>
#endif
@@ -54,10 +51,10 @@
/* 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;
@@ -87,120 +84,71 @@ 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;
+ phys_addr_t 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;
+ phys_addr_t 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 (*adjust_resource) (struct pcmcia_socket *s,
- adjust_t *adj);
- 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;
} io_window_t;
-#define WINDOW_MAGIC 0xB35C
-typedef struct window_t {
- u_short magic;
- u_short index;
- struct pcmcia_device *handle;
- struct pcmcia_socket *sock;
- pccard_mem_map ctl;
-} window_t;
-
/* Maximum number of IO windows per socket */
#define MAX_IO_WIN 2
/* 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;
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;
void __iomem *cis_virt;
- struct {
- u_int AssignedIRQ;
- u_int Config;
- } irq;
io_window_t io[MAX_IO_WIN];
- window_t win[MAX_WIN];
+ pccard_mem_map win[MAX_WIN];
struct list_head cis_cache;
- u_int fake_cis_len;
- char *fake_cis;
+ size_t fake_cis_len;
+ u8 *fake_cis;
struct list_head socket_list;
struct completion socket_released;
- /* deprecated */
+ /* deprecated */
unsigned int sock; /* socket number */
@@ -209,98 +157,110 @@ struct pcmcia_socket {
u_int irq_mask;
u_int map_size;
u_int io_offset;
- u_char pci_irq;
- struct pci_dev * cb_dev;
+ u_int pci_irq;
+ 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.*/
- u8 resource_setup_done:1;
-
- /* is set to one if resource setup is done using adjust_resource_info() */
- u8 resource_setup_old:1;
- u8 resource_setup_new:1;
-
- u8 reserved:5;
+ /* 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;
/* 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 */
- 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;
- wait_queue_head_t thread_wait;
- spinlock_t thread_lock; /* protects thread_events */
unsigned int thread_events;
+ unsigned int sysfs_events;
+
+ /* For the non-trivial interaction between these locks,
+ * see Documentation/pcmcia/locking.txt */
+ struct mutex skt_mutex;
+ struct mutex ops_mutex;
+
+ /* protects thread_events and sysfs_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 */
-
- 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 */
-
-#ifdef CONFIG_PCMCIA_IOCTL
- struct user_info_t *user;
- wait_queue_head_t queue;
-#endif
-#endif
+ /* The following elements refer to 16-bit PCMCIA devices inserted
+ * into the socket */
+ struct list_head devices_list;
- /* cardbus (32-bit) */
-#ifdef CONFIG_CARDBUS
- struct resource * cb_cis_res;
- void __iomem *cb_cis_virt;
-#endif
+ /* the number of devices, used only internally and subject to
+ * incorrectness and change */
+ u8 device_count;
+
+ /* does the PCMCIA card consist of two pseudo devices? */
+ u8 pcmcia_pfc;
+
+ /* non-zero if PCMCIA card is present */
+ atomic_t present;
+
+ /* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
+ unsigned int pcmcia_irq;
+
+#endif /* CONFIG_PCMCIA */
/* socket device */
struct device dev;
- void *driver_data; /* data internal to the socket driver */
-
+ /* data internal to the socket driver */
+ void *driver_data;
+ /* status of the card during resume from a system sleep state */
+ int resume_status;
};
-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
+ * 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 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 */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 14:54:20 +0000