* Siemens Gigaset 307x driver
* Common header file for all connection variants
*
- * Written by Stefan Eilers <Eilers.Stefan@epost.de>
+ * Written by Stefan Eilers
* and Hansjoerg Lipp <hjlipp@web.de>
*
* =====================================================================
#define GIG_RETRYCID
#define GIG_X75
-#define MAX_TIMER_INDEX 1000
-#define MAX_SEQ_INDEX 1000
-
#define GIG_TICK 100 /* in milliseconds */
/* timeout values (unit: 1 sec) */
#define MAXACT 3
-#define IFNULL(a) \
- if (unlikely(!(a)))
-
-#define IFNULLRET(a) \
- if (unlikely(!(a))) { \
- err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
- return; \
- }
-
-#define IFNULLRETVAL(a,b) \
- if (unlikely(!(a))) { \
- err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
- return (b); \
- }
-
-#define IFNULLCONT(a) \
- if (unlikely(!(a))) { \
- err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
- continue; \
- }
-
-#define IFNULLGOTO(a,b) \
- if (unlikely(!(a))) { \
- err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
- goto b; \
- }
-
extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */
/* any combination of these can be given with the 'debug=' parameter to insmod,
* e.g. 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and
* DEBUG_INTR.
*/
-enum debuglevel { /* up to 24 bits (atomic_t) */
+enum debuglevel {
DEBUG_REG = 0x0002, /* serial port I/O register operations */
DEBUG_OPEN = 0x0004, /* open/close serial port */
DEBUG_INTR = 0x0008, /* interrupt processing */
printk(KERN_DEBUG KBUILD_MODNAME ": " format "\n", \
## arg); \
} while (0)
-#define DEBUG_DEFAULT (DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
+#define DEBUG_DEFAULT (DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
#else
#endif
void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
- size_t len, const unsigned char *buf, int from_user);
+ size_t len, const unsigned char *buf);
/* connection state */
#define ZSAU_NONE 0
struct list_head list;
int waiting;
int getstring;
- atomic_t timer_index;
+ unsigned timer_index;
unsigned long timer_expires;
int timer_active;
unsigned int ConState; /* State of connection */
int int_var[VAR_NUM]; /* see VAR_XXXX */
char *str_var[STR_NUM]; /* see STR_XXXX */
unsigned pending_commands; /* see PC_XXXX */
- atomic_t seq_index;
+ unsigned seq_index;
struct cardstate *cs;
struct bc_state *bcs;
unsigned fwver[4];
int gotfwver;
- atomic_t running; /* !=0 if events are handled */
- atomic_t connected; /* !=0 if hardware is connected */
+ unsigned running; /* !=0 if events are handled */
+ unsigned connected; /* !=0 if hardware is connected */
+ unsigned isdn_up; /* !=0 after ISDN_STAT_RUN */
- atomic_t cidmode;
+ unsigned cidmode;
int myid; /* id for communication with LL */
isdn_if iif;
int cs_init;
int ignoreframes; /* frames to ignore after setting up the
B channel */
- struct semaphore sem; /* locks this structure:
+ struct mutex mutex; /* locks this structure:
* connected is not changed,
* hardware_up is not changed,
* MState is not changed to or from
/* event queue */
struct event_t events[MAX_EVENTS];
- atomic_t ev_tail, ev_head;
+ unsigned ev_tail, ev_head;
spinlock_t ev_lock;
/* current modem response */
/* Called by gigaset_freecs() for freeing bcs->hw.xxx */
int (*freebcshw)(struct bc_state *bcs);
- /* Called by gigaset_stop() or gigaset_bchannel_down() for resetting
- bcs->hw.xxx */
+ /* Called by gigaset_bchannel_down() for resetting bcs->hw.xxx */
void (*reinitbcshw)(struct bc_state *bcs);
/* Called by gigaset_initcs() for setting up cs->hw.xxx */
*/
/* initialize sysfs for device */
-void gigaset_init_dev_sysfs(struct usb_interface *interface);
-void gigaset_free_dev_sysfs(struct usb_interface *interface);
+void gigaset_init_dev_sysfs(struct cardstate *cs);
+void gigaset_free_dev_sysfs(struct cardstate *cs);
/* ===========================================================================
* Functions implemented in common.c/gigaset.h
/* Deallocate driver structure. */
void gigaset_freedriver(struct gigaset_driver *drv);
void gigaset_debugdrivers(void);
-struct cardstate *gigaset_get_cs_by_minor(unsigned minor);
struct cardstate *gigaset_get_cs_by_tty(struct tty_struct *tty);
struct cardstate *gigaset_get_cs_by_id(int id);
{
unsigned long flags;
spin_lock_irqsave(&cs->lock, flags);
- if (atomic_read(&cs->running))
+ if (cs->running)
tasklet_schedule(&cs->event_tasklet);
spin_unlock_irqrestore(&cs->lock, flags);
}
/* handling routines for sk_buff */
/* ============================= */
-/* private version of __skb_put()
- * append 'len' bytes to the content of 'skb', already knowing that the
- * existing buffer can accomodate them
- * returns a pointer to the location where the new bytes should be copied to
- * This function does not take any locks so it must be called with the
- * appropriate locks held only.
- */
-static inline unsigned char *gigaset_skb_put_quick(struct sk_buff *skb,
- unsigned int len)
-{
- unsigned char *tmp = skb->tail;
- /*SKB_LINEAR_ASSERT(skb);*/ /* not needed here */
- skb->tail += len;
- skb->len += len;
- return tmp;
-}
-
/* pass received skb to LL
* Warning: skb must not be accessed anymore!
*/
/* bitwise byte inversion table */
extern __u8 gigaset_invtab[]; /* in common.c */
-
/* append received bytes to inbuf */
-static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf,
- const unsigned char *src,
- unsigned numbytes)
-{
- unsigned n, head, tail, bytesleft;
-
- gig_dbg(DEBUG_INTR, "received %u bytes", numbytes);
-
- if (!numbytes)
- return 0;
-
- bytesleft = numbytes;
- tail = atomic_read(&inbuf->tail);
- head = atomic_read(&inbuf->head);
- gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", head, tail);
-
- while (bytesleft) {
- if (head > tail)
- n = head - 1 - tail;
- else if (head == 0)
- n = (RBUFSIZE-1) - tail;
- else
- n = RBUFSIZE - tail;
- if (!n) {
- dev_err(inbuf->cs->dev,
- "buffer overflow (%u bytes lost)", bytesleft);
- break;
- }
- if (n > bytesleft)
- n = bytesleft;
- memcpy(inbuf->data + tail, src, n);
- bytesleft -= n;
- tail = (tail + n) % RBUFSIZE;
- src += n;
- }
- gig_dbg(DEBUG_INTR, "setting tail to %u", tail);
- atomic_set(&inbuf->tail, tail);
- return numbytes != bytesleft;
-}
+int gigaset_fill_inbuf(struct inbuf_t *inbuf, const unsigned char *src,
+ unsigned numbytes);
/* ===========================================================================
* Functions implemented in interface.c
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff