244 static void e5_wait_for_cts(struct e5_struct *k)  in e5_wait_for_cts()  argument
254 static void e5_send_byte(u8 byte, struct e5_struct *k)  in e5_send_byte()  argument
272 static int e5_send_packet(u8 *packet, int count, struct e5_struct *k)  in e5_send_packet()  argument
278 	if (k->cached_mcr & MCR_RTS) {  in e5_send_packet()
284 	k->cached_mcr |= MCR_RTS;  in e5_send_packet()
285 	ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);  in e5_send_packet()
287 	e5_wait_for_cts(k);  in e5_send_packet()
292 		e5_send_byte(packet[i], k);  in e5_send_packet()
294 	e5_send_byte(e5_checksum(packet, count), k);  in e5_send_packet()
300 	k->cached_mcr &= ~MCR_RTS;  in e5_send_packet()
301 	ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);  in e5_send_packet()
323 static void e5_receive(struct e5_struct *k)  in e5_receive()  argument
325 	k->packet[k->pos++] = ctrl_inb(EC3104_SER4_DATA);  in e5_receive()
327 	if (k->pos == 1) {  in e5_receive()
328 		switch(k->packet[0]) {  in e5_receive()
330 			k->length = 3;  in e5_receive()
334 			k->length = 6;  in e5_receive()
338 			k->length = 3;  in e5_receive()
342 			k->length = 1;  in e5_receive()
344 			       k->packet[0]);  in e5_receive()
348 	if (k->pos == k->length) {  in e5_receive()
351 		if (e5_checksum(k->packet, k->length) != 0)  in e5_receive()
356 		for(i=0; i<k->length; i++) {  in e5_receive()
357 			printk("%02x ", k->packet[i]);  in e5_receive()
360 		printk("(%02x)]\n", e5_checksum(k->packet, k->length-1));  in e5_receive()
363 		switch(k->packet[0]) {  in e5_receive()
366 			handle_keyboard_event(k->packet[1]);  in e5_receive()
370 		k->pos = k->length = 0;  in e5_receive()
376 	struct e5_struct *k = &ec3104_keyb;  in ec3104_keyb_interrupt()  local
383 	if ((msr & MSR_CTS) && !(k->last_msr & MSR_CTS)) {  in ec3104_keyb_interrupt()
384 		if (k->cached_mcr & MCR_RTS)  in ec3104_keyb_interrupt()
387 		k->cached_mcr |= MCR_RTS;  in ec3104_keyb_interrupt()
389 		ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);  in ec3104_keyb_interrupt()
390 	} else if ((!(msr & MSR_CTS)) && (k->last_msr & MSR_CTS)) {  in ec3104_keyb_interrupt()
392 		if (!(k->cached_mcr & MCR_RTS))  in ec3104_keyb_interrupt()
395 		k->cached_mcr &= ~MCR_RTS;  in ec3104_keyb_interrupt()
397 		ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);  in ec3104_keyb_interrupt()
400 	k->last_msr = msr;  in ec3104_keyb_interrupt()
405 		e5_receive(k);  in ec3104_keyb_interrupt()
410 	struct e5_struct *k = &ec3104_keyb;  in ec3104_keyb_clear_state()  local
414 	k->last_msr = 0;  in ec3104_keyb_clear_state()
424 			e5_receive(k);  in ec3104_keyb_clear_state()
428 		if ((msr & MSR_CTS) && !(k->last_msr & MSR_CTS)) {  in ec3104_keyb_clear_state()
429 			if (k->cached_mcr & MCR_RTS)  in ec3104_keyb_clear_state()
432 			k->cached_mcr |= MCR_RTS;  in ec3104_keyb_clear_state()
434 			ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);  in ec3104_keyb_clear_state()
435 		} else if ((!(msr & MSR_CTS)) && (k->last_msr & MSR_CTS)) {  in ec3104_keyb_clear_state()
437 			if (!(k->cached_mcr & MCR_RTS))  in ec3104_keyb_clear_state()
440 			k->cached_mcr &= ~MCR_RTS;  in ec3104_keyb_clear_state()
442 			ctrl_outb(k->cached_mcr, EC3104_SER4_MCR);  in ec3104_keyb_clear_state()
446 		k->last_msr = msr;  in ec3104_keyb_clear_state()