9 ** This Driver currently only supports the console (port 0) on the MUX.
31 #define MUX_OFFSET 0x800
32 #define MUX_LINE_OFFSET 0x80
37 #define IO_DATA_REG_OFFSET 0x3c
38 #define IO_DCOUNT_REG_OFFSET 0x40
40 #define MUX_EOFIFO(status) ((status & 0xF000) == 0xF000)
41 #define MUX_STATUS(status) ((status & 0xF000) == 0x8000)
42 #define MUX_BREAK(status) ((status & 0xF000) == 0x2000)
57 	.minor = 0,
86 	if(dev->id.hversion == 0x15)  in get_mux_port_count()
89 	status = pdc_iodc_read(&bytecnt, dev->hpa.start, 0, iodc_data, 32);  in get_mux_port_count()
93 	return ((((iodc_data)[4] & 0xf0) >> 4) * 8) + 8;  in get_mux_port_count()
102  * should return TIOCSER_TEMT, otherwise return 0.
106 	return UART_GET_FIFO_CNT(port) ? 0 : TIOCSER_TEMT;  in mux_tx_empty()
189 		port->x_char = 0;  in mux_write()
206 	} while(--count > 0);  in mux_write()
248 		if (uart_handle_sysrq_char(port, data & 0xffu))  in mux_read()
251 		tty_insert_flip_char(tport, data & 0xFF, TTY_NORMAL);  in mux_read()
268 	return 0;  in mux_startup()
279 	mux_ports[port->line].enabled = 0;  in mux_shutdown()
329 	return 0;  in mux_request_port()
361 	return 0;  in mux_verify_port()
374 	for(i = 0; i < port_cnt; ++i) {  in mux_poll()
390 	while(UART_GET_FIFO_CNT(&mux_ports[0].port))  in mux_console_write()
395 			UART_PUT_CHAR(&mux_ports[0].port, '\r');  in mux_console_write()
397 		UART_PUT_CHAR(&mux_ports[0].port, *s++);  in mux_console_write()
404         return 0;  in mux_console_setup()
413 	.index =	0,
444  * Deterimine if the Serial Mux should claim this chip (return 0)
468 	for(i = 0; i < port_count; ++i, ++port_cnt) {  in mux_probe()
470 		port->iobase	= 0;  in mux_probe()
476 		port->irq	= 0;  in mux_probe()
477 		port->uartclk	= 0;  in mux_probe()
496 	return 0;  in mux_probe()
504 	/* Find Port 0 for this card in the mux_ports list. */  in mux_remove()
505 	for(i = 0; i < port_cnt; ++i) {  in mux_remove()
512 	for(j = 0; j < port_count; ++j, ++i) {  in mux_remove()
521 	return 0;  in mux_remove()
533 	{ HPHW_A_DIRECT, HVERSION_REV_ANY_ID, 0x15, 0x0000D }, /* All K-class */
534 	{ HPHW_A_DIRECT, HVERSION_REV_ANY_ID, 0x44, 0x0000D }, /* E35, E45, and E55 */
535 	{ 0, }
539 	{ HPHW_A_DIRECT, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0000D },
540 	{ 0, }
570 	if(port_cnt > 0) {  in mux_init()
572 		timer_setup(&mux_timer, mux_poll, 0);  in mux_init()
580 	return 0;  in mux_init()
591 	if(port_cnt > 0) {  in mux_exit()