49 static unsigned cmd_loop(unsigned numbytes, struct inbuf_t *inbuf)  in cmd_loop()  argument
51 	unsigned char *src = inbuf->data + inbuf->head;  in cmd_loop()
52 	struct cardstate *cs = inbuf->cs;  in cmd_loop()
86 			if (cs->dle && !(inbuf->inputstate & INS_DLE_command))  in cmd_loop()
87 				inbuf->inputstate &= ~INS_command;  in cmd_loop()
93 			if (inbuf->inputstate & INS_DLE_char) {  in cmd_loop()
95 				inbuf->inputstate &= ~INS_DLE_char;  in cmd_loop()
97 				   (inbuf->inputstate & INS_DLE_command)) {  in cmd_loop()
99 				inbuf->inputstate |= INS_DLE_char;  in cmd_loop()
121 static unsigned lock_loop(unsigned numbytes, struct inbuf_t *inbuf)  in lock_loop()  argument
123 	unsigned char *src = inbuf->data + inbuf->head;  in lock_loop()
126 	gigaset_if_receive(inbuf->cs, src, numbytes);  in lock_loop()
138 static unsigned hdlc_loop(unsigned numbytes, struct inbuf_t *inbuf)  in hdlc_loop()  argument
140 	struct cardstate *cs = inbuf->cs;  in hdlc_loop()
145 	unsigned char *src = inbuf->data + inbuf->head;  in hdlc_loop()
285 static unsigned iraw_loop(unsigned numbytes, struct inbuf_t *inbuf)  in iraw_loop()  argument
287 	struct cardstate *cs = inbuf->cs;  in iraw_loop()
291 	unsigned char *src = inbuf->data + inbuf->head;  in iraw_loop()
338 static void handle_dle(struct inbuf_t *inbuf)  in handle_dle()  argument
340 	struct cardstate *cs = inbuf->cs;  in handle_dle()
345 	if (!(inbuf->inputstate & INS_DLE_char)) {  in handle_dle()
347 		if (inbuf->data[inbuf->head] == DLE_FLAG &&  in handle_dle()
348 		    (cs->dle || inbuf->inputstate & INS_DLE_command)) {  in handle_dle()
350 			inbuf->head++;  in handle_dle()
351 			if (inbuf->head == inbuf->tail ||  in handle_dle()
352 			    inbuf->head == RBUFSIZE) {  in handle_dle()
354 				inbuf->inputstate |= INS_DLE_char;  in handle_dle()
364 	inbuf->inputstate &= ~INS_DLE_char;  in handle_dle()
366 	switch (inbuf->data[inbuf->head]) {  in handle_dle()
368 		if (inbuf->inputstate & INS_command)  in handle_dle()
371 		inbuf->inputstate |= INS_command | INS_DLE_command;  in handle_dle()
372 		inbuf->head++;	/* byte consumed */  in handle_dle()
375 		if (!(inbuf->inputstate & INS_DLE_command))  in handle_dle()
378 		inbuf->inputstate &= ~INS_DLE_command;  in handle_dle()
381 			inbuf->inputstate &= ~INS_command;  in handle_dle()
382 		inbuf->head++;	/* byte consumed */  in handle_dle()
386 		inbuf->inputstate |= INS_DLE_char;  in handle_dle()
387 		if (!(cs->dle || inbuf->inputstate & INS_DLE_command))  in handle_dle()
393 			   inbuf->data[inbuf->head]);  in handle_dle()
407 void gigaset_m10x_input(struct inbuf_t *inbuf)  in gigaset_m10x_input()  argument
409 	struct cardstate *cs = inbuf->cs;  in gigaset_m10x_input()
412 	gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", inbuf->head, inbuf->tail);  in gigaset_m10x_input()
414 	while (inbuf->head != inbuf->tail) {  in gigaset_m10x_input()
416 		handle_dle(inbuf);  in gigaset_m10x_input()
419 		numbytes = (inbuf->head > inbuf->tail ?  in gigaset_m10x_input()
420 			    RBUFSIZE : inbuf->tail) - inbuf->head;  in gigaset_m10x_input()
428 			procbytes = lock_loop(numbytes, inbuf);  in gigaset_m10x_input()
429 		else if (inbuf->inputstate & INS_command)  in gigaset_m10x_input()
430 			procbytes = cmd_loop(numbytes, inbuf);  in gigaset_m10x_input()
432 			procbytes = hdlc_loop(numbytes, inbuf);  in gigaset_m10x_input()
434 			procbytes = iraw_loop(numbytes, inbuf);  in gigaset_m10x_input()
435 		inbuf->head += procbytes;  in gigaset_m10x_input()
438 		if (inbuf->head >= RBUFSIZE)  in gigaset_m10x_input()
439 			inbuf->head = 0;  in gigaset_m10x_input()
441 		gig_dbg(DEBUG_INTR, "head set to %u", inbuf->head);  in gigaset_m10x_input()