55 #define RING_TIMEOUT 3		/* for additional parameters to RING */
57 #define ATRDY_TIMEOUT 3		/* for HD_READY_SEND_ATDATA */
59 #define BAS_RETRY 3		/* max. retries for base USB ops */
61 #define MAXACT 3
75 	DEBUG_TRANSCMD	  = 0x02000, /* AT-COMMANDS+RESPONSES */
118 #define ZSAU_ACTIVE			3
121 #define ZSAU_UNKNOWN			-1
171 #define BAS_INURBS	3
172 #define BAS_OUTURBS	3
178 #define AT_BC		3
189 #define VAR_NUM		3
194 #define STR_ZBC		3
198 #define EV_TIMEOUT	-105
199 #define EV_IF_VER	-106
200 #define EV_PROC_CIDMODE	-107
201 #define EV_SHUTDOWN	-108
202 #define EV_START	-110
203 #define EV_STOP		-111
204 #define EV_IF_LOCK	-112
205 #define EV_ACCEPT	-114
206 #define EV_DIAL		-115
207 #define EV_HUP		-116
208 #define EV_BC_OPEN	-117
209 #define EV_BC_CLOSED	-118
232 #define MS_SHUTDOWN		3
240 #define M_CID		3
278 	struct cardstate	*cs;  member
286  * - data[read..nextread-1] is valid data already submitted to the USB subsystem
287  * - data[nextread..write-1] is valid data yet to be sent
288  * - data[write] is the next byte to write to
289  *   - in byte-oriented L2 procotols, it is completely free
290  *   - in bit-oriented L2 procotols, it may contain a partial byte of valid data
291  * - data[write+1..read-1] is free
292  * - wbits is the number of valid data bits in data[write], starting at the LSB
293  * - writesem is the semaphore for writing to the buffer:
294  *   if writesem <= 0, data[write..read-1] is currently being written to
295  * - idle contains the byte value to repeat when the end of valid data is
314  * - urb: pointer to the URB itself
315  * - bcs: pointer to the B Channel control structure
316  * - limit: end of write buffer area covered by this URB
317  * - status: URB completion status
345 	struct cardstate	*cs;  member
357 /* This buffer holds all information about the used B-Channel */
360 	struct sk_buff_head squeue;	/* B-Channel send Queue */
377 	struct cardstate *cs;  member
468 					   (ZDLE=1 received -- M10x only) */
478 					 *   -> for modem reponses (and
480 					 *   -> on timeout
481 					 *   -> after setting bits in
512 	struct cardstate *cs;  member
566 	/* Called from ev-layer.c/interface.c for sending AT commands to the
568 	int (*write_cmd)(struct cardstate *cs, struct cmdbuf_t *cb);
571 	int (*write_room)(struct cardstate *cs);
572 	int (*chars_in_buffer)(struct cardstate *cs);
573 	int (*brkchars)(struct cardstate *cs, const unsigned char buf[6]);
575 	/* Called from ev-layer.c after setting up connection
579 	/* Called from ev-layer.c after hanging up
583 	/* Called by gigaset_initcs() for setting up bcs->hw.xxx */
586 	/* Called by gigaset_freecs() for freeing bcs->hw.xxx */
589 	/* Called by gigaset_bchannel_down() for resetting bcs->hw.xxx */
592 	/* Called by gigaset_initcs() for setting up cs->hw.xxx */
593 	int (*initcshw)(struct cardstate *cs);
595 	/* Called by gigaset_freecs() for freeing cs->hw.xxx */
596 	void (*freecshw)(struct cardstate *cs);
600 	int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state,
602 	int (*baud_rate)(struct cardstate *cs, unsigned cflag);
603 	int (*set_line_ctrl)(struct cardstate *cs, unsigned cflag);
605 	/* Called from LL interface to put an skb into the send-queue.
610 	/* Called from ev-layer.c to process a block of data
619 /* Parser states for DLE-Event:
620  * <DLE-EVENT>: <DLE_FLAG> "X" <EVENT> <DLE_FLAG> "."
622  * <EVENT>:     ((a-z)* | (A-Z)* | (0-10)*)+
633 /* Called from ev-layer.c to process a block of data
644 /* Called from ev-layer.c to process a block of data
648 /* Called from bas-gigaset.c to process a block of data
653 /* Called from bas-gigaset.c to put a block of data
657 /* Called from bas-gigaset.c to initialize the isochronous output buffer */
660 /* Called from bas-gigaset.c to retrieve a block of bytes for sending */
670 int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid);
671 void gigaset_isdn_unregdev(struct cardstate *cs);
678 /* Called from common.c/ev-layer.c to indicate events relevant to the LL */
679 void gigaset_isdn_start(struct cardstate *cs);
680 void gigaset_isdn_stop(struct cardstate *cs);
688  *  Functions implemented in ev-layer.c
696 void gigaset_handle_modem_response(struct cardstate *cs);
703 void gigaset_init_dev_sysfs(struct cardstate *cs);
704 void gigaset_free_dev_sysfs(struct cardstate *cs);
712 		     struct cardstate *cs, int cid);
714 struct bc_state *gigaset_get_free_channel(struct cardstate *cs);
716 int gigaset_get_channels(struct cardstate *cs);
717 void gigaset_free_channels(struct cardstate *cs);
718 void gigaset_block_channels(struct cardstate *cs);
735    gigaset_init[b]cs(). */
740 /* Free card state. Calls hardware dependent gigaset_free[b]cs(). */
741 void gigaset_freecs(struct cardstate *cs);
744 int gigaset_start(struct cardstate *cs);
747 void gigaset_stop(struct cardstate *cs);
750 int gigaset_shutdown(struct cardstate *cs);
759 struct event_t *gigaset_add_event(struct cardstate *cs,
764 int gigaset_enterconfigmode(struct cardstate *cs);
766 /* cs->lock must not be locked */
767 static inline void gigaset_schedule_event(struct cardstate *cs)  in gigaset_schedule_event()  argument
770 	spin_lock_irqsave(&cs->lock, flags);  in gigaset_schedule_event()
771 	if (cs->running)  in gigaset_schedule_event()
772 		tasklet_schedule(&cs->event_tasklet);  in gigaset_schedule_event()
773 	spin_unlock_irqrestore(&cs->lock, flags);  in gigaset_schedule_event()
777 /* cs->lock must not be locked */
780 	gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_CLOSED, NULL, 0, NULL);  in gigaset_bchannel_down()
781 	gigaset_schedule_event(bcs->cs);  in gigaset_bchannel_down()
785 /* cs->lock must not be locked */
788 	gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_OPEN, NULL, 0, NULL);  in gigaset_bchannel_up()
789 	gigaset_schedule_event(bcs->cs);  in gigaset_bchannel_up()
795 	struct cardstate *cs = bcs->cs;  in gigaset_new_rx_skb()  local
796 	unsigned short hw_hdr_len = cs->hw_hdr_len;  in gigaset_new_rx_skb()
798 	if (bcs->ignore) {  in gigaset_new_rx_skb()
799 		bcs->rx_skb = NULL;  in gigaset_new_rx_skb()
801 		bcs->rx_skb = dev_alloc_skb(bcs->rx_bufsize + hw_hdr_len);  in gigaset_new_rx_skb()
802 		if (bcs->rx_skb == NULL)  in gigaset_new_rx_skb()
803 			dev_warn(cs->dev, "could not allocate skb\n");  in gigaset_new_rx_skb()
805 			skb_reserve(bcs->rx_skb, hw_hdr_len);  in gigaset_new_rx_skb()
807 	return bcs->rx_skb;  in gigaset_new_rx_skb()
824 void gigaset_if_init(struct cardstate *cs);
826 void gigaset_if_free(struct cardstate *cs);
828 void gigaset_if_receive(struct cardstate *cs,