2 * Infinity Unlimited USB Phoenix driver
4 * Copyright (C) 2007 Alain Degreffe (eczema@ecze.com)
6 * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos Borrás)
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * And tested with help of WB Electronics
16 #include <linux/kernel.h>
17 #include <linux/errno.h>
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/tty.h>
21 #include <linux/tty_driver.h>
22 #include <linux/tty_flip.h>
23 #include <linux/serial.h>
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/spinlock.h>
27 #include <linux/uaccess.h>
28 #include <linux/usb.h>
29 #include <linux/usb/serial.h>
30 #include "iuu_phoenix.h"
31 #include <linux/random.h>
34 #ifdef CONFIG_USB_SERIAL_DEBUG
43 #define DRIVER_VERSION "v0.10"
44 #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver"
46 static struct usb_device_id id_table[] = {
47 {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)},
48 {} /* Terminating entry */
50 MODULE_DEVICE_TABLE(usb, id_table);
52 static struct usb_driver iuu_driver = {
53 .name = "iuu_phoenix",
54 .probe = usb_serial_probe,
55 .disconnect = usb_serial_disconnect,
61 static int boost = 100;
62 static int clockmode = 1;
63 static int cdmode = 1;
64 static int iuu_cardin;
65 static int iuu_cardout;
68 static void read_rxcmd_callback(struct urb *urb);
71 spinlock_t lock; /* store irq state */
72 wait_queue_head_t delta_msr_wait;
74 int tiostatus; /* store IUART SIGNAL for tiocmget call */
75 u8 reset; /* if 1 reset is needed */
76 int poll; /* number of poll */
77 u8 *writebuf; /* buffer for writing to device */
78 int writelen; /* num of byte to write to device */
79 u8 *buf; /* used for initialize speed */
80 u8 *dbgbuf; /* debug buffer */
85 static void iuu_free_buf(struct iuu_private *priv)
89 kfree(priv->writebuf);
92 static int iuu_alloc_buf(struct iuu_private *priv)
94 priv->buf = kzalloc(256, GFP_KERNEL);
95 priv->dbgbuf = kzalloc(256, GFP_KERNEL);
96 priv->writebuf = kzalloc(256, GFP_KERNEL);
97 if (!priv->buf || !priv->dbgbuf || !priv->writebuf) {
99 dbg("%s problem allocation buffer", __func__);
102 dbg("%s - Privates buffers allocation success", __func__);
106 static int iuu_startup(struct usb_serial *serial)
108 struct iuu_private *priv;
109 priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL);
110 dbg("%s- priv allocation success", __func__);
113 if (iuu_alloc_buf(priv)) {
117 spin_lock_init(&priv->lock);
118 init_waitqueue_head(&priv->delta_msr_wait);
119 usb_set_serial_port_data(serial->port[0], priv);
123 /* Release function */
124 static void iuu_release(struct usb_serial *serial)
126 struct usb_serial_port *port = serial->port[0];
127 struct iuu_private *priv = usb_get_serial_port_data(port);
135 dbg("%s - I will free all", __func__);
136 usb_set_serial_port_data(port, NULL);
138 dbg("%s - priv is not anymore in port structure", __func__);
141 dbg("%s priv is now kfree", __func__);
145 static int iuu_tiocmset(struct tty_struct *tty, struct file *file,
146 unsigned int set, unsigned int clear)
148 struct usb_serial_port *port = tty->driver_data;
149 struct iuu_private *priv = usb_get_serial_port_data(port);
152 /* FIXME: locking on tiomstatus */
153 dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__,
154 port->number, set, clear);
156 spin_lock_irqsave(&priv->lock, flags);
158 priv->tiostatus = TIOCM_RTS;
160 if (!(set & TIOCM_RTS) && priv->tiostatus == TIOCM_RTS) {
161 dbg("%s TIOCMSET RESET called !!!", __func__);
164 spin_unlock_irqrestore(&priv->lock, flags);
168 /* This is used to provide a carrier detect mechanism
169 * When a card is present, the response is 0x00
170 * When no card , the reader respond with TIOCM_CD
171 * This is known as CD autodetect mechanism
173 static int iuu_tiocmget(struct tty_struct *tty, struct file *file)
175 struct usb_serial_port *port = tty->driver_data;
176 struct iuu_private *priv = usb_get_serial_port_data(port);
180 spin_lock_irqsave(&priv->lock, flags);
181 rc = priv->tiostatus;
182 spin_unlock_irqrestore(&priv->lock, flags);
187 static void iuu_rxcmd(struct urb *urb)
189 struct usb_serial_port *port = urb->context;
191 int status = urb->status;
193 dbg("%s - enter", __func__);
196 dbg("%s - status = %d", __func__, status);
202 memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
203 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
204 usb_sndbulkpipe(port->serial->dev,
205 port->bulk_out_endpointAddress),
206 port->write_urb->transfer_buffer, 1,
207 read_rxcmd_callback, port);
208 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
211 static int iuu_reset(struct usb_serial_port *port, u8 wt)
213 struct iuu_private *priv = usb_get_serial_port_data(port);
215 char *buf_ptr = port->write_urb->transfer_buffer;
216 dbg("%s - enter", __func__);
218 /* Prepare the reset sequence */
220 *buf_ptr++ = IUU_RST_SET;
221 *buf_ptr++ = IUU_DELAY_MS;
223 *buf_ptr = IUU_RST_CLEAR;
225 /* send the sequence */
227 usb_fill_bulk_urb(port->write_urb,
229 usb_sndbulkpipe(port->serial->dev,
230 port->bulk_out_endpointAddress),
231 port->write_urb->transfer_buffer, 4, iuu_rxcmd, port);
232 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
243 static void iuu_update_status_callback(struct urb *urb)
245 struct usb_serial_port *port = urb->context;
246 struct iuu_private *priv = usb_get_serial_port_data(port);
248 int status = urb->status;
250 dbg("%s - enter", __func__);
253 dbg("%s - status = %d", __func__, status);
258 st = urb->transfer_buffer;
259 dbg("%s - enter", __func__);
260 if (urb->actual_length == 1) {
263 priv->tiostatus = iuu_cardout;
266 priv->tiostatus = iuu_cardin;
269 priv->tiostatus = iuu_cardin;
275 static void iuu_status_callback(struct urb *urb)
277 struct usb_serial_port *port = urb->context;
279 int status = urb->status;
281 dbg("%s - status = %d", __func__, status);
282 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
283 usb_rcvbulkpipe(port->serial->dev,
284 port->bulk_in_endpointAddress),
285 port->read_urb->transfer_buffer, 256,
286 iuu_update_status_callback, port);
287 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
290 static int iuu_status(struct usb_serial_port *port)
294 dbg("%s - enter", __func__);
296 memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1);
297 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
298 usb_sndbulkpipe(port->serial->dev,
299 port->bulk_out_endpointAddress),
300 port->write_urb->transfer_buffer, 1,
301 iuu_status_callback, port);
302 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
307 static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
310 struct usb_serial *serial = port->serial;
313 dbg("%s - enter", __func__);
315 /* send the data out the bulk port */
318 usb_bulk_msg(serial->dev,
319 usb_sndbulkpipe(serial->dev,
320 port->bulk_out_endpointAddress), buf,
321 count, &actual, HZ * 1);
323 if (status != IUU_OPERATION_OK)
324 dbg("%s - error = %2x", __func__, status);
326 dbg("%s - write OK !", __func__);
330 static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
333 struct usb_serial *serial = port->serial;
336 dbg("%s - enter", __func__);
338 /* send the data out the bulk port */
341 usb_bulk_msg(serial->dev,
342 usb_rcvbulkpipe(serial->dev,
343 port->bulk_in_endpointAddress), buf,
344 count, &actual, HZ * 1);
346 if (status != IUU_OPERATION_OK)
347 dbg("%s - error = %2x", __func__, status);
349 dbg("%s - read OK !", __func__);
353 static int iuu_led(struct usb_serial_port *port, unsigned int R,
354 unsigned int G, unsigned int B, u8 f)
358 buf = kmalloc(8, GFP_KERNEL);
362 dbg("%s - enter", __func__);
364 buf[0] = IUU_SET_LED;
366 buf[2] = (R >> 8) & 0xFF;
368 buf[4] = (G >> 8) & 0xFF;
370 buf[6] = (B >> 8) & 0xFF;
372 status = bulk_immediate(port, buf, 8);
374 if (status != IUU_OPERATION_OK)
375 dbg("%s - led error status = %2x", __func__, status);
377 dbg("%s - led OK !", __func__);
378 return IUU_OPERATION_OK;
381 static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1,
384 *buf++ = IUU_SET_LED;
394 static void iuu_led_activity_on(struct urb *urb)
396 struct usb_serial_port *port = urb->context;
398 char *buf_ptr = port->write_urb->transfer_buffer;
399 *buf_ptr++ = IUU_SET_LED;
401 get_random_bytes(buf_ptr, 6);
404 iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255);
407 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
408 usb_sndbulkpipe(port->serial->dev,
409 port->bulk_out_endpointAddress),
410 port->write_urb->transfer_buffer, 8 ,
412 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
415 static void iuu_led_activity_off(struct urb *urb)
417 struct usb_serial_port *port = urb->context;
419 char *buf_ptr = port->write_urb->transfer_buffer;
424 *buf_ptr++ = IUU_SET_LED;
425 iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255);
427 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
428 usb_sndbulkpipe(port->serial->dev,
429 port->bulk_out_endpointAddress),
430 port->write_urb->transfer_buffer, 8 ,
432 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
437 static int iuu_clk(struct usb_serial_port *port, int dwFrq)
440 struct iuu_private *priv = usb_get_serial_port_data(port);
443 u8 DIV = 0; /* 8bit */
444 u8 XDRV = 0; /* 8bit */
445 u8 PUMP = 0; /* 3bit */
446 u8 PBmsb = 0; /* 2bit */
447 u8 PBlsb = 0; /* 8bit */
448 u8 PO = 0; /* 1bit */
453 int frq = (int)dwFrq;
455 dbg("%s - enter", __func__);
458 priv->buf[Count++] = IUU_UART_WRITE_I2C;
459 priv->buf[Count++] = FrqGenAdr << 1;
460 priv->buf[Count++] = 0x09;
461 priv->buf[Count++] = 0x00;
463 status = bulk_immediate(port, (u8 *) priv->buf, Count);
465 dbg("%s - write error ", __func__);
468 } else if (frq == 3579000) {
473 } else if (frq == 3680000) {
478 } else if (frq == 6000000) {
484 unsigned int result = 0;
485 unsigned int tmp = 0;
490 unsigned int lP = 2055;
491 unsigned int lDiv = 4;
493 for (lQ = 2; lQ <= 47 && !found; lQ++)
494 for (lP = 2055; lP >= 8 && !found; lP--)
495 for (lDiv = 4; lDiv <= 127 && !found; lDiv++) {
496 tmp = (12000000 / lDiv) * (lP / lQ);
497 if (abs((int)(tmp - frq)) <
498 abs((int)(frq - result))) {
499 check2 = (12000000 / lQ);
502 check = (12000000 / lQ) * lP;
503 if (check > 400000000)
505 if (check < 100000000)
507 if (lDiv < 4 || lDiv > 127)
518 P2 = ((P - PO) / 2) - 4;
521 PBmsb = (P2 >> 8 & 0x03);
523 PO = (P >> 10) & 0x01;
526 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
527 priv->buf[Count++] = FrqGenAdr << 1;
528 priv->buf[Count++] = 0x09;
529 priv->buf[Count++] = 0x20; /* Adr = 0x09 */
530 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
531 priv->buf[Count++] = FrqGenAdr << 1;
532 priv->buf[Count++] = 0x0C;
533 priv->buf[Count++] = DIV; /* Adr = 0x0C */
534 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
535 priv->buf[Count++] = FrqGenAdr << 1;
536 priv->buf[Count++] = 0x12;
537 priv->buf[Count++] = XDRV; /* Adr = 0x12 */
538 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
539 priv->buf[Count++] = FrqGenAdr << 1;
540 priv->buf[Count++] = 0x13;
541 priv->buf[Count++] = 0x6B; /* Adr = 0x13 */
542 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
543 priv->buf[Count++] = FrqGenAdr << 1;
544 priv->buf[Count++] = 0x40;
545 priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) |
546 (PBmsb & 0x03); /* Adr = 0x40 */
547 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
548 priv->buf[Count++] = FrqGenAdr << 1;
549 priv->buf[Count++] = 0x41;
550 priv->buf[Count++] = PBlsb; /* Adr = 0x41 */
551 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
552 priv->buf[Count++] = FrqGenAdr << 1;
553 priv->buf[Count++] = 0x42;
554 priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */
555 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
556 priv->buf[Count++] = FrqGenAdr << 1;
557 priv->buf[Count++] = 0x44;
558 priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */
559 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
560 priv->buf[Count++] = FrqGenAdr << 1;
561 priv->buf[Count++] = 0x45;
562 priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */
563 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
564 priv->buf[Count++] = FrqGenAdr << 1;
565 priv->buf[Count++] = 0x46;
566 priv->buf[Count++] = 0x7F; /* Adr = 0x46 */
567 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
568 priv->buf[Count++] = FrqGenAdr << 1;
569 priv->buf[Count++] = 0x47;
570 priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */
572 status = bulk_immediate(port, (u8 *) priv->buf, Count);
573 if (status != IUU_OPERATION_OK)
574 dbg("%s - write error ", __func__);
578 static int iuu_uart_flush(struct usb_serial_port *port)
582 u8 rxcmd = IUU_UART_RX;
583 struct iuu_private *priv = usb_get_serial_port_data(port);
585 dbg("%s - enter", __func__);
587 if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)
590 for (i = 0; i < 2; i++) {
591 status = bulk_immediate(port, &rxcmd, 1);
592 if (status != IUU_OPERATION_OK) {
593 dbg("%s - uart_flush_write error", __func__);
597 status = read_immediate(port, &priv->len, 1);
598 if (status != IUU_OPERATION_OK) {
599 dbg("%s - uart_flush_read error", __func__);
604 dbg("%s - uart_flush datalen is : %i ", __func__,
606 status = read_immediate(port, priv->buf, priv->len);
607 if (status != IUU_OPERATION_OK) {
608 dbg("%s - uart_flush_read error", __func__);
613 dbg("%s - uart_flush_read OK!", __func__);
614 iuu_led(port, 0, 0xF000, 0, 0xFF);
618 static void read_buf_callback(struct urb *urb)
620 struct usb_serial_port *port = urb->context;
621 unsigned char *data = urb->transfer_buffer;
622 struct tty_struct *tty;
623 int status = urb->status;
625 dbg("%s - status = %d", __func__, status);
628 if (status == -EPROTO) {
629 /* reschedule needed */
634 dbg("%s - %i chars to write", __func__, urb->actual_length);
635 tty = tty_port_tty_get(&port->port);
637 dbg("%s - data is NULL !!!", __func__);
638 if (tty && urb->actual_length && data) {
639 tty_insert_flip_string(tty, data, urb->actual_length);
640 tty_flip_buffer_push(tty);
643 iuu_led_activity_on(urb);
646 static int iuu_bulk_write(struct usb_serial_port *port)
648 struct iuu_private *priv = usb_get_serial_port_data(port);
653 char *buf_ptr = port->write_urb->transfer_buffer;
654 dbg("%s - enter", __func__);
656 spin_lock_irqsave(&priv->lock, flags);
657 *buf_ptr++ = IUU_UART_ESC;
658 *buf_ptr++ = IUU_UART_TX;
659 *buf_ptr++ = priv->writelen;
661 memcpy(buf_ptr, priv->writebuf, priv->writelen);
662 buf_len = priv->writelen;
664 spin_unlock_irqrestore(&priv->lock, flags);
666 for (i = 0; i < buf_len; i++)
667 sprintf(priv->dbgbuf + i*2 ,
668 "%02X", priv->writebuf[i]);
669 priv->dbgbuf[buf_len+i*2] = 0;
670 dbg("%s - writing %i chars : %s", __func__,
671 buf_len, priv->dbgbuf);
673 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
674 usb_sndbulkpipe(port->serial->dev,
675 port->bulk_out_endpointAddress),
676 port->write_urb->transfer_buffer, buf_len + 3,
678 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
679 usb_serial_port_softint(port);
683 static int iuu_read_buf(struct usb_serial_port *port, int len)
686 dbg("%s - enter", __func__);
688 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
689 usb_rcvbulkpipe(port->serial->dev,
690 port->bulk_in_endpointAddress),
691 port->read_urb->transfer_buffer, len,
692 read_buf_callback, port);
693 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
697 static void iuu_uart_read_callback(struct urb *urb)
699 struct usb_serial_port *port = urb->context;
700 struct iuu_private *priv = usb_get_serial_port_data(port);
702 int status = urb->status;
705 unsigned char *data = urb->transfer_buffer;
708 dbg("%s - enter", __func__);
711 dbg("%s - status = %d", __func__, status);
716 dbg("%s - data is NULL !!!", __func__);
718 if (urb->actual_length == 1 && data != NULL)
721 if (urb->actual_length > 1) {
722 dbg("%s - urb->actual_length = %i", __func__,
727 /* if len > 0 call readbuf */
729 if (len > 0 && error == 0) {
730 dbg("%s - call read buf - len to read is %i ",
732 status = iuu_read_buf(port, len);
735 /* need to update status ? */
736 if (priv->poll > 99) {
737 status = iuu_status(port);
742 /* reset waiting ? */
744 if (priv->reset == 1) {
745 status = iuu_reset(port, 0xC);
748 /* Writebuf is waiting */
749 spin_lock_irqsave(&priv->lock, flags);
750 if (priv->writelen > 0) {
751 spin_unlock_irqrestore(&priv->lock, flags);
752 status = iuu_bulk_write(port);
755 spin_unlock_irqrestore(&priv->lock, flags);
756 /* if nothing to write call again rxcmd */
757 dbg("%s - rxcmd recall", __func__);
758 iuu_led_activity_off(urb);
761 static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port,
762 const u8 *buf, int count)
764 struct iuu_private *priv = usb_get_serial_port_data(port);
766 dbg("%s - enter", __func__);
771 spin_lock_irqsave(&priv->lock, flags);
773 /* fill the buffer */
774 memcpy(priv->writebuf + priv->writelen, buf, count);
775 priv->writelen += count;
776 spin_unlock_irqrestore(&priv->lock, flags);
781 static void read_rxcmd_callback(struct urb *urb)
783 struct usb_serial_port *port = urb->context;
785 int status = urb->status;
787 dbg("%s - status = %d", __func__, status);
794 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
795 usb_rcvbulkpipe(port->serial->dev,
796 port->bulk_in_endpointAddress),
797 port->read_urb->transfer_buffer, 256,
798 iuu_uart_read_callback, port);
799 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
800 dbg("%s - submit result = %d", __func__, result);
804 static int iuu_uart_on(struct usb_serial_port *port)
809 buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL);
814 buf[0] = IUU_UART_ENABLE;
815 buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF);
816 buf[2] = (u8) (0x00FF & IUU_BAUD_9600);
817 buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN);
819 status = bulk_immediate(port, buf, 4);
820 if (status != IUU_OPERATION_OK) {
821 dbg("%s - uart_on error", __func__);
822 goto uart_enable_failed;
824 /* iuu_reset() the card after iuu_uart_on() */
825 status = iuu_uart_flush(port);
826 if (status != IUU_OPERATION_OK)
827 dbg("%s - uart_flush error", __func__);
833 /* Diables the IUU UART (a.k.a. the Phoenix voiderface) */
834 static int iuu_uart_off(struct usb_serial_port *port)
838 buf = kmalloc(1, GFP_KERNEL);
841 buf[0] = IUU_UART_DISABLE;
843 status = bulk_immediate(port, buf, 1);
844 if (status != IUU_OPERATION_OK)
845 dbg("%s - uart_off error", __func__);
851 static int iuu_uart_baud(struct usb_serial_port *port, u32 baud,
852 u32 *actual, u8 parity)
859 unsigned int T1FrekvensHZ = 0;
861 dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL);
866 if (baud < 1200 || baud > 230400) {
868 return IUU_INVALID_PARAMETER;
872 T1FrekvensHZ = 500000;
877 T1FrekvensHZ = 2000000;
882 T1FrekvensHZ = 6000000;
887 T1FrekvensHZ = 24000000;
890 T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2));
892 /* magic number here: ENTER_FIRMWARE_UPDATE; */
893 dataout[DataCount++] = IUU_UART_ESC;
894 /* magic number here: CHANGE_BAUD; */
895 dataout[DataCount++] = IUU_UART_CHANGE;
896 dataout[DataCount++] = T1Frekvens;
897 dataout[DataCount++] = T1reload;
899 *actual = (T1FrekvensHZ / (256 - T1reload)) / 2;
901 switch (parity & 0x0F) {
902 case IUU_PARITY_NONE:
903 dataout[DataCount++] = 0x00;
905 case IUU_PARITY_EVEN:
906 dataout[DataCount++] = 0x01;
909 dataout[DataCount++] = 0x02;
911 case IUU_PARITY_MARK:
912 dataout[DataCount++] = 0x03;
914 case IUU_PARITY_SPACE:
915 dataout[DataCount++] = 0x04;
919 return IUU_INVALID_PARAMETER;
923 switch (parity & 0xF0) {
924 case IUU_ONE_STOP_BIT:
925 dataout[DataCount - 1] |= IUU_ONE_STOP_BIT;
928 case IUU_TWO_STOP_BITS:
929 dataout[DataCount - 1] |= IUU_TWO_STOP_BITS;
933 return IUU_INVALID_PARAMETER;
937 status = bulk_immediate(port, dataout, DataCount);
938 if (status != IUU_OPERATION_OK)
939 dbg("%s - uart_off error", __func__);
944 static void iuu_set_termios(struct tty_struct *tty,
945 struct usb_serial_port *port, struct ktermios *old_termios)
947 const u32 supported_mask = CMSPAR|PARENB|PARODD;
949 unsigned int cflag = tty->termios->c_cflag;
954 int baud = 9600; /* Fixed for the moment */
955 u32 newval = cflag & supported_mask;
957 /* compute the parity parameter */
959 if (cflag & CMSPAR) { /* Using mark space */
961 parity |= IUU_PARITY_SPACE;
963 parity |= IUU_PARITY_MARK;
964 } else if (!(cflag & PARENB)) {
965 parity |= IUU_PARITY_NONE;
967 } else if (cflag & PARODD)
968 parity |= IUU_PARITY_ODD;
970 parity |= IUU_PARITY_EVEN;
972 parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT);
975 status = iuu_uart_baud(port,
976 (clockmode == 2) ? 16457 : 9600 * boost / 100,
979 /* set the termios value to the real one, so the user now what has
980 * changed. We support few fields so its easies to copy the old hw
981 * settings back over and then adjust them
984 tty_termios_copy_hw(tty->termios, old_termios);
985 if (status != 0) /* Set failed - return old bits */
987 /* Re-encode speed, parity and csize */
988 tty_encode_baud_rate(tty, baud, baud);
989 tty->termios->c_cflag &= ~(supported_mask|CSIZE);
990 tty->termios->c_cflag |= newval | csize;
993 static void iuu_close(struct usb_serial_port *port)
995 /* iuu_led (port,255,0,0,0); */
996 struct usb_serial *serial;
998 serial = port->serial;
1002 dbg("%s - port %d", __func__, port->number);
1007 /* shutdown our urbs */
1008 dbg("%s - shutting down urbs", __func__);
1009 usb_kill_urb(port->write_urb);
1010 usb_kill_urb(port->read_urb);
1011 usb_kill_urb(port->interrupt_in_urb);
1013 /* wait one second to free all buffers */
1014 iuu_led(port, 0, 0, 0xF000, 0xFF);
1016 usb_reset_device(port->serial->dev);
1020 static void iuu_init_termios(struct tty_struct *tty)
1022 *(tty->termios) = tty_std_termios;
1023 tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
1024 | TIOCM_CTS | CSTOPB | PARENB;
1025 tty->termios->c_ispeed = 9600;
1026 tty->termios->c_ospeed = 9600;
1027 tty->termios->c_lflag = 0;
1028 tty->termios->c_oflag = 0;
1029 tty->termios->c_iflag = 0;
1032 static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
1034 struct usb_serial *serial = port->serial;
1038 struct iuu_private *priv = usb_get_serial_port_data(port);
1040 dbg("%s - port %d", __func__, port->number);
1041 usb_clear_halt(serial->dev, port->write_urb->pipe);
1042 usb_clear_halt(serial->dev, port->read_urb->pipe);
1044 buf = kmalloc(10, GFP_KERNEL);
1048 /* fixup the endpoint buffer size */
1049 kfree(port->bulk_out_buffer);
1050 port->bulk_out_buffer = kmalloc(512, GFP_KERNEL);
1051 port->bulk_out_size = 512;
1052 kfree(port->bulk_in_buffer);
1053 port->bulk_in_buffer = kmalloc(512, GFP_KERNEL);
1054 port->bulk_in_size = 512;
1056 if (!port->bulk_out_buffer || !port->bulk_in_buffer) {
1057 kfree(port->bulk_out_buffer);
1058 kfree(port->bulk_in_buffer);
1063 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
1064 usb_sndbulkpipe(port->serial->dev,
1065 port->bulk_out_endpointAddress),
1066 port->bulk_out_buffer, 512,
1070 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
1071 usb_rcvbulkpipe(port->serial->dev,
1072 port->bulk_in_endpointAddress),
1073 port->bulk_in_buffer, 512,
1078 /* initialize writebuf */
1079 #define FISH(a, b, c, d) do { \
1080 result = usb_control_msg(port->serial->dev, \
1081 usb_rcvctrlpipe(port->serial->dev, 0), \
1082 b, a, c, d, buf, 1, 1000); \
1083 dbg("0x%x:0x%x:0x%x:0x%x %d - %x", a, b, c, d, result, \
1084 buf[0]); } while (0);
1086 #define SOUP(a, b, c, d) do { \
1087 result = usb_control_msg(port->serial->dev, \
1088 usb_sndctrlpipe(port->serial->dev, 0), \
1089 b, a, c, d, NULL, 0, 1000); \
1090 dbg("0x%x:0x%x:0x%x:0x%x %d", a, b, c, d, result); } while (0)
1092 /* This is not UART related but IUU USB driver related or something */
1093 /* like that. Basically no IUU will accept any commands from the USB */
1094 /* host unless it has received the following message */
1095 /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */
1097 SOUP(0x03, 0x02, 0x02, 0x0);
1099 iuu_led(port, 0xF000, 0xF000, 0, 0xFF);
1103 switch (clockmode) {
1104 case 2: /* 3.680 Mhz */
1105 iuu_clk(port, IUU_CLK_3680000 * boost / 100);
1107 iuu_uart_baud(port, 9600 * boost / 100, &actual,
1110 case 3: /* 6.00 Mhz */
1111 iuu_clk(port, IUU_CLK_6000000 * boost / 100);
1113 iuu_uart_baud(port, 16457 * boost / 100, &actual,
1116 default: /* 3.579 Mhz */
1117 iuu_clk(port, IUU_CLK_3579000 * boost / 100);
1119 iuu_uart_baud(port, 9600 * boost / 100, &actual,
1123 /* set the cardin cardout signals */
1130 iuu_cardin = TIOCM_CD;
1135 iuu_cardout = TIOCM_CD;
1138 iuu_cardin = TIOCM_DSR;
1143 iuu_cardout = TIOCM_DSR;
1146 iuu_cardin = TIOCM_CTS;
1151 iuu_cardout = TIOCM_CTS;
1154 iuu_cardin = TIOCM_RNG;
1159 iuu_cardout = TIOCM_RNG;
1162 iuu_uart_flush(port);
1164 dbg("%s - initialization done", __func__);
1166 memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
1167 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
1168 usb_sndbulkpipe(port->serial->dev,
1169 port->bulk_out_endpointAddress),
1170 port->write_urb->transfer_buffer, 1,
1171 read_rxcmd_callback, port);
1172 result = usb_submit_urb(port->write_urb, GFP_KERNEL);
1175 dev_err(&port->dev, "%s - failed submitting read urb,"
1176 " error %d\n", __func__, result);
1180 dbg("%s - rxcmd OK", __func__);
1185 static struct usb_serial_driver iuu_device = {
1187 .owner = THIS_MODULE,
1188 .name = "iuu_phoenix",
1190 .id_table = id_table,
1194 .write = iuu_uart_write,
1195 .read_bulk_callback = iuu_uart_read_callback,
1196 .tiocmget = iuu_tiocmget,
1197 .tiocmset = iuu_tiocmset,
1198 .set_termios = iuu_set_termios,
1199 .init_termios = iuu_init_termios,
1200 .attach = iuu_startup,
1201 .release = iuu_release,
1204 static int __init iuu_init(void)
1207 retval = usb_serial_register(&iuu_device);
1209 goto failed_usb_serial_register;
1210 retval = usb_register(&iuu_driver);
1212 goto failed_usb_register;
1213 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
1216 failed_usb_register:
1217 usb_serial_deregister(&iuu_device);
1218 failed_usb_serial_register:
1222 static void __exit iuu_exit(void)
1224 usb_deregister(&iuu_driver);
1225 usb_serial_deregister(&iuu_device);
1228 module_init(iuu_init);
1229 module_exit(iuu_exit);
1231 MODULE_AUTHOR("Alain Degreffe eczema@ecze.com");
1233 MODULE_DESCRIPTION(DRIVER_DESC);
1234 MODULE_LICENSE("GPL");
1236 MODULE_VERSION(DRIVER_VERSION);
1237 module_param(debug, bool, S_IRUGO | S_IWUSR);
1238 MODULE_PARM_DESC(debug, "Debug enabled or not");
1240 module_param(xmas, bool, S_IRUGO | S_IWUSR);
1241 MODULE_PARM_DESC(xmas, "xmas color enabled or not");
1243 module_param(boost, int, S_IRUGO | S_IWUSR);
1244 MODULE_PARM_DESC(boost, "overclock boost percent 100 to 500");
1246 module_param(clockmode, int, S_IRUGO | S_IWUSR);
1247 MODULE_PARM_DESC(clockmode, "1=3Mhz579,2=3Mhz680,3=6Mhz");
1249 module_param(cdmode, int, S_IRUGO | S_IWUSR);
1250 MODULE_PARM_DESC(cdmode, "Card detect mode 0=none, 1=CD, 2=!CD, 3=DSR, "
1251 "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING");