blob: 96873a7a32b082ecd370e4329852a65e6b3d356b [file] [log] [blame]
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001/*
2 * Infinity Unlimited USB Phoenix driver
3 *
4 * Copyright (C) 2007 Alain Degreffe (eczema@ecze.com)
5 *
6 * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos Borrás)
7 *
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.
12 *
13 * And tested with help of WB Electronics
14 *
15 */
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>
32
33
34#ifdef CONFIG_USB_SERIAL_DEBUG
35static int debug = 1;
36#else
37static int debug;
38#endif
39
40/*
41 * Version Information
42 */
Olivier Bornet9bb41692009-06-11 12:55:01 +010043#define DRIVER_VERSION "v0.10"
Alain Degreffe60a8fc02007-10-26 13:51:49 +020044#define DRIVER_DESC "Infinity USB Unlimited Phoenix driver"
45
46static struct usb_device_id id_table[] = {
47 {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)},
48 {} /* Terminating entry */
49};
50MODULE_DEVICE_TABLE(usb, id_table);
51
52static struct usb_driver iuu_driver = {
53 .name = "iuu_phoenix",
54 .probe = usb_serial_probe,
55 .disconnect = usb_serial_disconnect,
56 .id_table = id_table,
57 .no_dynamic_id = 1,
58};
59
60/* turbo parameter */
61static int boost = 100;
62static int clockmode = 1;
63static int cdmode = 1;
64static int iuu_cardin;
65static int iuu_cardout;
66static int xmas;
67
68static void read_rxcmd_callback(struct urb *urb);
69
70struct iuu_private {
71 spinlock_t lock; /* store irq state */
72 wait_queue_head_t delta_msr_wait;
Alain Degreffe60a8fc02007-10-26 13:51:49 +020073 u8 line_status;
74 u8 termios_initialized;
75 int tiostatus; /* store IUART SIGNAL for tiocmget call */
76 u8 reset; /* if 1 reset is needed */
77 int poll; /* number of poll */
78 u8 *writebuf; /* buffer for writing to device */
79 int writelen; /* num of byte to write to device */
80 u8 *buf; /* used for initialize speed */
81 u8 *dbgbuf; /* debug buffer */
82 u8 len;
83};
84
85
86static void iuu_free_buf(struct iuu_private *priv)
87{
88 kfree(priv->buf);
89 kfree(priv->dbgbuf);
90 kfree(priv->writebuf);
91}
92
93static int iuu_alloc_buf(struct iuu_private *priv)
94{
95 priv->buf = kzalloc(256, GFP_KERNEL);
96 priv->dbgbuf = kzalloc(256, GFP_KERNEL);
97 priv->writebuf = kzalloc(256, GFP_KERNEL);
98 if (!priv->buf || !priv->dbgbuf || !priv->writebuf) {
99 iuu_free_buf(priv);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800100 dbg("%s problem allocation buffer", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200101 return -ENOMEM;
102 }
Harvey Harrison441b62c2008-03-03 16:08:34 -0800103 dbg("%s - Privates buffers allocation success", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200104 return 0;
105}
106
107static int iuu_startup(struct usb_serial *serial)
108{
109 struct iuu_private *priv;
110 priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800111 dbg("%s- priv allocation success", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200112 if (!priv)
113 return -ENOMEM;
114 if (iuu_alloc_buf(priv)) {
115 kfree(priv);
116 return -ENOMEM;
117 }
118 spin_lock_init(&priv->lock);
119 init_waitqueue_head(&priv->delta_msr_wait);
120 usb_set_serial_port_data(serial->port[0], priv);
121 return 0;
122}
123
Alan Sternf9c99bb2009-06-02 11:53:55 -0400124/* Release function */
125static void iuu_release(struct usb_serial *serial)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200126{
127 struct usb_serial_port *port = serial->port[0];
128 struct iuu_private *priv = usb_get_serial_port_data(port);
129 if (!port)
130 return;
131
Harvey Harrison441b62c2008-03-03 16:08:34 -0800132 dbg("%s", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200133
134 if (priv) {
135 iuu_free_buf(priv);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800136 dbg("%s - I will free all", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200137 usb_set_serial_port_data(port, NULL);
138
Harvey Harrison441b62c2008-03-03 16:08:34 -0800139 dbg("%s - priv is not anymore in port structure", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200140 kfree(priv);
141
Harvey Harrison441b62c2008-03-03 16:08:34 -0800142 dbg("%s priv is now kfree", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200143 }
144}
145
Alan Cox95da3102008-07-22 11:09:07 +0100146static int iuu_tiocmset(struct tty_struct *tty, struct file *file,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200147 unsigned int set, unsigned int clear)
148{
Alan Cox95da3102008-07-22 11:09:07 +0100149 struct usb_serial_port *port = tty->driver_data;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200150 struct iuu_private *priv = usb_get_serial_port_data(port);
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000151 unsigned long flags;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200152
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000153 /* FIXME: locking on tiomstatus */
Harvey Harrison441b62c2008-03-03 16:08:34 -0800154 dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200155 port->number, set, clear);
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000156
157 spin_lock_irqsave(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200158 if (set & TIOCM_RTS)
159 priv->tiostatus = TIOCM_RTS;
160
161 if (!(set & TIOCM_RTS) && priv->tiostatus == TIOCM_RTS) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800162 dbg("%s TIOCMSET RESET called !!!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200163 priv->reset = 1;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200164 }
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000165 spin_unlock_irqrestore(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200166 return 0;
167}
168
169/* This is used to provide a carrier detect mechanism
170 * When a card is present, the response is 0x00
171 * When no card , the reader respond with TIOCM_CD
172 * This is known as CD autodetect mechanism
173 */
Alan Cox95da3102008-07-22 11:09:07 +0100174static int iuu_tiocmget(struct tty_struct *tty, struct file *file)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200175{
Alan Cox95da3102008-07-22 11:09:07 +0100176 struct usb_serial_port *port = tty->driver_data;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200177 struct iuu_private *priv = usb_get_serial_port_data(port);
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000178 unsigned long flags;
179 int rc;
180
181 spin_lock_irqsave(&priv->lock, flags);
182 rc = priv->tiostatus;
183 spin_unlock_irqrestore(&priv->lock, flags);
184
185 return rc;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200186}
187
188static void iuu_rxcmd(struct urb *urb)
189{
Ming Leicdc97792008-02-24 18:41:47 +0800190 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200191 int result;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800192 int status = urb->status;
193
Harvey Harrison441b62c2008-03-03 16:08:34 -0800194 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200195
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800196 if (status) {
197 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200198 /* error stop all */
199 return;
200 }
201
202
203 memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
204 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
205 usb_sndbulkpipe(port->serial->dev,
206 port->bulk_out_endpointAddress),
207 port->write_urb->transfer_buffer, 1,
208 read_rxcmd_callback, port);
209 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
210}
211
212static int iuu_reset(struct usb_serial_port *port, u8 wt)
213{
214 struct iuu_private *priv = usb_get_serial_port_data(port);
215 int result;
216 char *buf_ptr = port->write_urb->transfer_buffer;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800217 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200218
219 /* Prepare the reset sequence */
220
221 *buf_ptr++ = IUU_RST_SET;
222 *buf_ptr++ = IUU_DELAY_MS;
223 *buf_ptr++ = wt;
224 *buf_ptr = IUU_RST_CLEAR;
225
226 /* send the sequence */
227
228 usb_fill_bulk_urb(port->write_urb,
229 port->serial->dev,
230 usb_sndbulkpipe(port->serial->dev,
231 port->bulk_out_endpointAddress),
232 port->write_urb->transfer_buffer, 4, iuu_rxcmd, port);
233 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
234 priv->reset = 0;
235 return result;
236}
237
238/* Status Function
239 * Return value is
240 * 0x00 = no card
241 * 0x01 = smartcard
242 * 0x02 = sim card
243 */
244static void iuu_update_status_callback(struct urb *urb)
245{
Ming Leicdc97792008-02-24 18:41:47 +0800246 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200247 struct iuu_private *priv = usb_get_serial_port_data(port);
248 u8 *st;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800249 int status = urb->status;
250
Harvey Harrison441b62c2008-03-03 16:08:34 -0800251 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200252
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800253 if (status) {
254 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200255 /* error stop all */
256 return;
257 }
258
259 st = urb->transfer_buffer;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800260 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200261 if (urb->actual_length == 1) {
262 switch (st[0]) {
263 case 0x1:
264 priv->tiostatus = iuu_cardout;
265 break;
266 case 0x0:
267 priv->tiostatus = iuu_cardin;
268 break;
269 default:
270 priv->tiostatus = iuu_cardin;
271 }
272 }
273 iuu_rxcmd(urb);
274}
275
276static void iuu_status_callback(struct urb *urb)
277{
Ming Leicdc97792008-02-24 18:41:47 +0800278 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200279 int result;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800280 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200281
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800282 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200283 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
284 usb_rcvbulkpipe(port->serial->dev,
285 port->bulk_in_endpointAddress),
286 port->read_urb->transfer_buffer, 256,
287 iuu_update_status_callback, port);
288 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
289}
290
291static int iuu_status(struct usb_serial_port *port)
292{
293 int result;
294
Harvey Harrison441b62c2008-03-03 16:08:34 -0800295 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200296
297 memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1);
298 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
299 usb_sndbulkpipe(port->serial->dev,
300 port->bulk_out_endpointAddress),
301 port->write_urb->transfer_buffer, 1,
302 iuu_status_callback, port);
303 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
304 return result;
305
306}
307
308static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
309{
310 int status;
311 struct usb_serial *serial = port->serial;
312 int actual = 0;
313
Harvey Harrison441b62c2008-03-03 16:08:34 -0800314 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200315
316 /* send the data out the bulk port */
317
318 status =
319 usb_bulk_msg(serial->dev,
320 usb_sndbulkpipe(serial->dev,
321 port->bulk_out_endpointAddress), buf,
322 count, &actual, HZ * 1);
323
Alan Cox9e8e2d22008-07-22 11:12:59 +0100324 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800325 dbg("%s - error = %2x", __func__, status);
Alan Cox9e8e2d22008-07-22 11:12:59 +0100326 else
Harvey Harrison441b62c2008-03-03 16:08:34 -0800327 dbg("%s - write OK !", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200328 return status;
329}
330
331static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
332{
333 int status;
334 struct usb_serial *serial = port->serial;
335 int actual = 0;
336
Harvey Harrison441b62c2008-03-03 16:08:34 -0800337 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200338
339 /* send the data out the bulk port */
340
341 status =
342 usb_bulk_msg(serial->dev,
343 usb_rcvbulkpipe(serial->dev,
344 port->bulk_in_endpointAddress), buf,
345 count, &actual, HZ * 1);
346
Alan Cox9e8e2d22008-07-22 11:12:59 +0100347 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800348 dbg("%s - error = %2x", __func__, status);
Alan Cox9e8e2d22008-07-22 11:12:59 +0100349 else
Harvey Harrison441b62c2008-03-03 16:08:34 -0800350 dbg("%s - read OK !", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200351 return status;
352}
353
354static int iuu_led(struct usb_serial_port *port, unsigned int R,
355 unsigned int G, unsigned int B, u8 f)
356{
357 int status;
358 u8 *buf;
359 buf = kmalloc(8, GFP_KERNEL);
360 if (!buf)
361 return -ENOMEM;
362
Harvey Harrison441b62c2008-03-03 16:08:34 -0800363 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200364
365 buf[0] = IUU_SET_LED;
366 buf[1] = R & 0xFF;
367 buf[2] = (R >> 8) & 0xFF;
368 buf[3] = G & 0xFF;
369 buf[4] = (G >> 8) & 0xFF;
370 buf[5] = B & 0xFF;
371 buf[6] = (B >> 8) & 0xFF;
372 buf[7] = f;
373 status = bulk_immediate(port, buf, 8);
374 kfree(buf);
375 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800376 dbg("%s - led error status = %2x", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200377 else
Harvey Harrison441b62c2008-03-03 16:08:34 -0800378 dbg("%s - led OK !", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200379 return IUU_OPERATION_OK;
380}
381
382static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1,
383 u8 b2, u8 freq)
384{
385 *buf++ = IUU_SET_LED;
386 *buf++ = r1;
387 *buf++ = r2;
388 *buf++ = g1;
389 *buf++ = g2;
390 *buf++ = b1;
391 *buf++ = b2;
392 *buf = freq;
393}
394
395static void iuu_led_activity_on(struct urb *urb)
396{
Ming Leicdc97792008-02-24 18:41:47 +0800397 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200398 int result;
399 char *buf_ptr = port->write_urb->transfer_buffer;
400 *buf_ptr++ = IUU_SET_LED;
401 if (xmas == 1) {
402 get_random_bytes(buf_ptr, 6);
403 *(buf_ptr+7) = 1;
404 } else {
405 iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255);
406 }
407
408 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
409 usb_sndbulkpipe(port->serial->dev,
410 port->bulk_out_endpointAddress),
411 port->write_urb->transfer_buffer, 8 ,
412 iuu_rxcmd, port);
413 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
414}
415
416static void iuu_led_activity_off(struct urb *urb)
417{
Ming Leicdc97792008-02-24 18:41:47 +0800418 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200419 int result;
420 char *buf_ptr = port->write_urb->transfer_buffer;
421 if (xmas == 1) {
422 iuu_rxcmd(urb);
423 return;
424 } else {
425 *buf_ptr++ = IUU_SET_LED;
426 iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255);
427 }
428 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
429 usb_sndbulkpipe(port->serial->dev,
430 port->bulk_out_endpointAddress),
431 port->write_urb->transfer_buffer, 8 ,
432 iuu_rxcmd, port);
433 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
434}
435
436
437
438static int iuu_clk(struct usb_serial_port *port, int dwFrq)
439{
440 int status;
441 struct iuu_private *priv = usb_get_serial_port_data(port);
442 int Count = 0;
443 u8 FrqGenAdr = 0x69;
444 u8 DIV = 0; /* 8bit */
445 u8 XDRV = 0; /* 8bit */
446 u8 PUMP = 0; /* 3bit */
447 u8 PBmsb = 0; /* 2bit */
448 u8 PBlsb = 0; /* 8bit */
449 u8 PO = 0; /* 1bit */
450 u8 Q = 0; /* 7bit */
451 /* 24bit = 3bytes */
452 unsigned int P = 0;
453 unsigned int P2 = 0;
454 int frq = (int)dwFrq;
455
Harvey Harrison441b62c2008-03-03 16:08:34 -0800456 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200457
458 if (frq == 0) {
459 priv->buf[Count++] = IUU_UART_WRITE_I2C;
460 priv->buf[Count++] = FrqGenAdr << 1;
461 priv->buf[Count++] = 0x09;
462 priv->buf[Count++] = 0x00;
463
464 status = bulk_immediate(port, (u8 *) priv->buf, Count);
465 if (status != 0) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800466 dbg("%s - write error ", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200467 return status;
468 }
469 } else if (frq == 3579000) {
470 DIV = 100;
471 P = 1193;
472 Q = 40;
473 XDRV = 0;
474 } else if (frq == 3680000) {
475 DIV = 105;
476 P = 161;
477 Q = 5;
478 XDRV = 0;
479 } else if (frq == 6000000) {
480 DIV = 66;
481 P = 66;
482 Q = 2;
483 XDRV = 0x28;
484 } else {
485 unsigned int result = 0;
486 unsigned int tmp = 0;
487 unsigned int check;
488 unsigned int check2;
489 char found = 0x00;
490 unsigned int lQ = 2;
491 unsigned int lP = 2055;
492 unsigned int lDiv = 4;
493
494 for (lQ = 2; lQ <= 47 && !found; lQ++)
495 for (lP = 2055; lP >= 8 && !found; lP--)
496 for (lDiv = 4; lDiv <= 127 && !found; lDiv++) {
497 tmp = (12000000 / lDiv) * (lP / lQ);
498 if (abs((int)(tmp - frq)) <
499 abs((int)(frq - result))) {
500 check2 = (12000000 / lQ);
501 if (check2 < 250000)
502 continue;
503 check = (12000000 / lQ) * lP;
504 if (check > 400000000)
505 continue;
506 if (check < 100000000)
507 continue;
508 if (lDiv < 4 || lDiv > 127)
509 continue;
510 result = tmp;
511 P = lP;
512 DIV = lDiv;
513 Q = lQ;
514 if (result == frq)
515 found = 0x01;
516 }
517 }
518 }
519 P2 = ((P - PO) / 2) - 4;
520 DIV = DIV;
521 PUMP = 0x04;
522 PBmsb = (P2 >> 8 & 0x03);
523 PBlsb = P2 & 0xFF;
524 PO = (P >> 10) & 0x01;
525 Q = Q - 2;
526
527 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
528 priv->buf[Count++] = FrqGenAdr << 1;
529 priv->buf[Count++] = 0x09;
530 priv->buf[Count++] = 0x20; /* Adr = 0x09 */
531 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
532 priv->buf[Count++] = FrqGenAdr << 1;
533 priv->buf[Count++] = 0x0C;
534 priv->buf[Count++] = DIV; /* Adr = 0x0C */
535 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
536 priv->buf[Count++] = FrqGenAdr << 1;
537 priv->buf[Count++] = 0x12;
538 priv->buf[Count++] = XDRV; /* Adr = 0x12 */
539 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
540 priv->buf[Count++] = FrqGenAdr << 1;
541 priv->buf[Count++] = 0x13;
542 priv->buf[Count++] = 0x6B; /* Adr = 0x13 */
543 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
544 priv->buf[Count++] = FrqGenAdr << 1;
545 priv->buf[Count++] = 0x40;
546 priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) |
547 (PBmsb & 0x03); /* Adr = 0x40 */
548 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
549 priv->buf[Count++] = FrqGenAdr << 1;
550 priv->buf[Count++] = 0x41;
551 priv->buf[Count++] = PBlsb; /* Adr = 0x41 */
552 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
553 priv->buf[Count++] = FrqGenAdr << 1;
554 priv->buf[Count++] = 0x42;
555 priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */
556 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
557 priv->buf[Count++] = FrqGenAdr << 1;
558 priv->buf[Count++] = 0x44;
559 priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */
560 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
561 priv->buf[Count++] = FrqGenAdr << 1;
562 priv->buf[Count++] = 0x45;
563 priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */
564 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
565 priv->buf[Count++] = FrqGenAdr << 1;
566 priv->buf[Count++] = 0x46;
567 priv->buf[Count++] = 0x7F; /* Adr = 0x46 */
568 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
569 priv->buf[Count++] = FrqGenAdr << 1;
570 priv->buf[Count++] = 0x47;
571 priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */
572
573 status = bulk_immediate(port, (u8 *) priv->buf, Count);
574 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800575 dbg("%s - write error ", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200576 return status;
577}
578
579static int iuu_uart_flush(struct usb_serial_port *port)
580{
581 int i;
582 int status;
583 u8 rxcmd = IUU_UART_RX;
584 struct iuu_private *priv = usb_get_serial_port_data(port);
585
Harvey Harrison441b62c2008-03-03 16:08:34 -0800586 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200587
588 if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)
589 return -EIO;
590
591 for (i = 0; i < 2; i++) {
592 status = bulk_immediate(port, &rxcmd, 1);
593 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800594 dbg("%s - uart_flush_write error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200595 return status;
596 }
597
598 status = read_immediate(port, &priv->len, 1);
599 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800600 dbg("%s - uart_flush_read error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200601 return status;
602 }
603
604 if (priv->len > 0) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800605 dbg("%s - uart_flush datalen is : %i ", __func__,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200606 priv->len);
607 status = read_immediate(port, priv->buf, priv->len);
608 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800609 dbg("%s - uart_flush_read error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200610 return status;
611 }
612 }
613 }
Harvey Harrison441b62c2008-03-03 16:08:34 -0800614 dbg("%s - uart_flush_read OK!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200615 iuu_led(port, 0, 0xF000, 0, 0xFF);
616 return status;
617}
618
619static void read_buf_callback(struct urb *urb)
620{
Ming Leicdc97792008-02-24 18:41:47 +0800621 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200622 unsigned char *data = urb->transfer_buffer;
623 struct tty_struct *tty;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800624 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200625
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800626 dbg("%s - status = %d", __func__, status);
627
628 if (status) {
629 if (status == -EPROTO) {
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200630 /* reschedule needed */
631 }
632 return;
633 }
634
Harvey Harrison441b62c2008-03-03 16:08:34 -0800635 dbg("%s - %i chars to write", __func__, urb->actual_length);
Alan Cox4a90f092008-10-13 10:39:46 +0100636 tty = tty_port_tty_get(&port->port);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200637 if (data == NULL)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800638 dbg("%s - data is NULL !!!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200639 if (tty && urb->actual_length && data) {
640 tty_insert_flip_string(tty, data, urb->actual_length);
641 tty_flip_buffer_push(tty);
642 }
Alan Cox4a90f092008-10-13 10:39:46 +0100643 tty_kref_put(tty);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200644 iuu_led_activity_on(urb);
645}
646
647static int iuu_bulk_write(struct usb_serial_port *port)
648{
649 struct iuu_private *priv = usb_get_serial_port_data(port);
Steven Rostedt85943032008-05-06 20:42:31 -0700650 unsigned long flags;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200651 int result;
652 int i;
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100653 int buf_len;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200654 char *buf_ptr = port->write_urb->transfer_buffer;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800655 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200656
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100657 spin_lock_irqsave(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200658 *buf_ptr++ = IUU_UART_ESC;
659 *buf_ptr++ = IUU_UART_TX;
660 *buf_ptr++ = priv->writelen;
661
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100662 memcpy(buf_ptr, priv->writebuf, priv->writelen);
663 buf_len = priv->writelen;
664 priv->writelen = 0;
665 spin_unlock_irqrestore(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200666 if (debug == 1) {
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100667 for (i = 0; i < buf_len; i++)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200668 sprintf(priv->dbgbuf + i*2 ,
669 "%02X", priv->writebuf[i]);
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100670 priv->dbgbuf[buf_len+i*2] = 0;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800671 dbg("%s - writing %i chars : %s", __func__,
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100672 buf_len, priv->dbgbuf);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200673 }
674 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
675 usb_sndbulkpipe(port->serial->dev,
676 port->bulk_out_endpointAddress),
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100677 port->write_urb->transfer_buffer, buf_len + 3,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200678 iuu_rxcmd, port);
679 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200680 usb_serial_port_softint(port);
681 return result;
682}
683
684static int iuu_read_buf(struct usb_serial_port *port, int len)
685{
686 int result;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800687 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200688
689 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
690 usb_rcvbulkpipe(port->serial->dev,
691 port->bulk_in_endpointAddress),
692 port->read_urb->transfer_buffer, len,
693 read_buf_callback, port);
694 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
695 return result;
696}
697
698static void iuu_uart_read_callback(struct urb *urb)
699{
Ming Leicdc97792008-02-24 18:41:47 +0800700 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200701 struct iuu_private *priv = usb_get_serial_port_data(port);
Steven Rostedt85943032008-05-06 20:42:31 -0700702 unsigned long flags;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800703 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200704 int error = 0;
705 int len = 0;
706 unsigned char *data = urb->transfer_buffer;
707 priv->poll++;
708
Harvey Harrison441b62c2008-03-03 16:08:34 -0800709 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200710
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800711 if (status) {
712 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200713 /* error stop all */
714 return;
715 }
716 if (data == NULL)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800717 dbg("%s - data is NULL !!!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200718
719 if (urb->actual_length == 1 && data != NULL)
720 len = (int) data[0];
721
722 if (urb->actual_length > 1) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800723 dbg("%s - urb->actual_length = %i", __func__,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200724 urb->actual_length);
725 error = 1;
726 return;
727 }
728 /* if len > 0 call readbuf */
729
730 if (len > 0 && error == 0) {
731 dbg("%s - call read buf - len to read is %i ",
Harvey Harrison441b62c2008-03-03 16:08:34 -0800732 __func__, len);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200733 status = iuu_read_buf(port, len);
734 return;
735 }
736 /* need to update status ? */
737 if (priv->poll > 99) {
738 status = iuu_status(port);
739 priv->poll = 0;
740 return;
741 }
742
743 /* reset waiting ? */
744
745 if (priv->reset == 1) {
746 status = iuu_reset(port, 0xC);
747 return;
748 }
749 /* Writebuf is waiting */
750 spin_lock_irqsave(&priv->lock, flags);
751 if (priv->writelen > 0) {
752 spin_unlock_irqrestore(&priv->lock, flags);
753 status = iuu_bulk_write(port);
754 return;
755 }
756 spin_unlock_irqrestore(&priv->lock, flags);
757 /* if nothing to write call again rxcmd */
Harvey Harrison441b62c2008-03-03 16:08:34 -0800758 dbg("%s - rxcmd recall", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200759 iuu_led_activity_off(urb);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200760}
761
Alan Cox95da3102008-07-22 11:09:07 +0100762static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port,
763 const u8 *buf, int count)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200764{
765 struct iuu_private *priv = usb_get_serial_port_data(port);
Steven Rostedt85943032008-05-06 20:42:31 -0700766 unsigned long flags;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800767 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200768
769 if (count > 256)
770 return -ENOMEM;
771
772 spin_lock_irqsave(&priv->lock, flags);
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100773
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200774 /* fill the buffer */
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100775 memcpy(priv->writebuf + priv->writelen, buf, count);
776 priv->writelen += count;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200777 spin_unlock_irqrestore(&priv->lock, flags);
778
Alan Cox9e8e2d22008-07-22 11:12:59 +0100779 return count;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200780}
781
782static void read_rxcmd_callback(struct urb *urb)
783{
Ming Leicdc97792008-02-24 18:41:47 +0800784 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200785 int result;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800786 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200787
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800788 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200789
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800790 if (status) {
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200791 /* error stop all */
792 return;
793 }
794
795 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
796 usb_rcvbulkpipe(port->serial->dev,
797 port->bulk_in_endpointAddress),
798 port->read_urb->transfer_buffer, 256,
799 iuu_uart_read_callback, port);
800 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800801 dbg("%s - submit result = %d", __func__, result);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200802 return;
803}
804
805static int iuu_uart_on(struct usb_serial_port *port)
806{
807 int status;
808 u8 *buf;
809
810 buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL);
811
812 if (!buf)
813 return -ENOMEM;
814
815 buf[0] = IUU_UART_ENABLE;
816 buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF);
817 buf[2] = (u8) (0x00FF & IUU_BAUD_9600);
Olivier Bornetcc3447d2009-06-11 12:53:24 +0100818 buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200819
820 status = bulk_immediate(port, buf, 4);
821 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800822 dbg("%s - uart_on error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200823 goto uart_enable_failed;
824 }
825 /* iuu_reset() the card after iuu_uart_on() */
826 status = iuu_uart_flush(port);
827 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800828 dbg("%s - uart_flush error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200829uart_enable_failed:
830 kfree(buf);
831 return status;
832}
833
834/* Diables the IUU UART (a.k.a. the Phoenix voiderface) */
835static int iuu_uart_off(struct usb_serial_port *port)
836{
837 int status;
838 u8 *buf;
839 buf = kmalloc(1, GFP_KERNEL);
840 if (!buf)
841 return -ENOMEM;
842 buf[0] = IUU_UART_DISABLE;
843
844 status = bulk_immediate(port, buf, 1);
845 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800846 dbg("%s - uart_off error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200847
848 kfree(buf);
849 return status;
850}
851
852static int iuu_uart_baud(struct usb_serial_port *port, u32 baud,
853 u32 *actual, u8 parity)
854{
855 int status;
856 u8 *dataout;
857 u8 DataCount = 0;
858 u8 T1Frekvens = 0;
859 u8 T1reload = 0;
860 unsigned int T1FrekvensHZ = 0;
861
862 dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL);
863
864 if (!dataout)
865 return -ENOMEM;
866
867 if (baud < 1200 || baud > 230400) {
868 kfree(dataout);
869 return IUU_INVALID_PARAMETER;
870 }
871 if (baud > 977) {
872 T1Frekvens = 3;
873 T1FrekvensHZ = 500000;
874 }
875
876 if (baud > 3906) {
877 T1Frekvens = 2;
878 T1FrekvensHZ = 2000000;
879 }
880
881 if (baud > 11718) {
882 T1Frekvens = 1;
883 T1FrekvensHZ = 6000000;
884 }
885
886 if (baud > 46875) {
887 T1Frekvens = 0;
888 T1FrekvensHZ = 24000000;
889 }
890
891 T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2));
892
893 /* magic number here: ENTER_FIRMWARE_UPDATE; */
894 dataout[DataCount++] = IUU_UART_ESC;
895 /* magic number here: CHANGE_BAUD; */
896 dataout[DataCount++] = IUU_UART_CHANGE;
897 dataout[DataCount++] = T1Frekvens;
898 dataout[DataCount++] = T1reload;
899
900 *actual = (T1FrekvensHZ / (256 - T1reload)) / 2;
901
902 switch (parity & 0x0F) {
903 case IUU_PARITY_NONE:
904 dataout[DataCount++] = 0x00;
905 break;
906 case IUU_PARITY_EVEN:
907 dataout[DataCount++] = 0x01;
908 break;
909 case IUU_PARITY_ODD:
910 dataout[DataCount++] = 0x02;
911 break;
912 case IUU_PARITY_MARK:
913 dataout[DataCount++] = 0x03;
914 break;
915 case IUU_PARITY_SPACE:
916 dataout[DataCount++] = 0x04;
917 break;
918 default:
919 kfree(dataout);
920 return IUU_INVALID_PARAMETER;
921 break;
922 }
923
924 switch (parity & 0xF0) {
925 case IUU_ONE_STOP_BIT:
926 dataout[DataCount - 1] |= IUU_ONE_STOP_BIT;
927 break;
928
929 case IUU_TWO_STOP_BITS:
930 dataout[DataCount - 1] |= IUU_TWO_STOP_BITS;
931 break;
932 default:
933 kfree(dataout);
934 return IUU_INVALID_PARAMETER;
935 break;
936 }
937
938 status = bulk_immediate(port, dataout, DataCount);
939 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800940 dbg("%s - uart_off error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200941 kfree(dataout);
942 return status;
943}
944
Olivier Bornet96dab772009-06-11 12:54:20 +0100945static void iuu_set_termios(struct tty_struct *tty,
946 struct usb_serial_port *port, struct ktermios *old_termios)
947{
948 const u32 supported_mask = CMSPAR|PARENB|PARODD;
949
950 unsigned int cflag = tty->termios->c_cflag;
951 int status;
952 u32 actual;
953 u32 parity;
954 int csize = CS7;
955 int baud = 9600; /* Fixed for the moment */
956 u32 newval = cflag & supported_mask;
957
958 /* compute the parity parameter */
959 parity = 0;
960 if (cflag & CMSPAR) { /* Using mark space */
961 if (cflag & PARODD)
962 parity |= IUU_PARITY_SPACE;
963 else
964 parity |= IUU_PARITY_MARK;
965 } else if (!(cflag & PARENB)) {
966 parity |= IUU_PARITY_NONE;
967 csize = CS8;
968 } else if (cflag & PARODD)
969 parity |= IUU_PARITY_ODD;
970 else
971 parity |= IUU_PARITY_EVEN;
972
973 parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT);
974
975 /* set it */
976 status = iuu_uart_baud(port,
977 (clockmode == 2) ? 16457 : 9600 * boost / 100,
978 &actual, parity);
979
980 /* set the termios value to the real one, so the user now what has
981 * changed. We support few fields so its easies to copy the old hw
982 * settings back over and then adjust them
983 */
984 if (old_termios)
985 tty_termios_copy_hw(tty->termios, old_termios);
986 if (status != 0) /* Set failed - return old bits */
987 return;
988 /* Re-encode speed, parity and csize */
989 tty_encode_baud_rate(tty, baud, baud);
990 tty->termios->c_cflag &= ~(supported_mask|CSIZE);
991 tty->termios->c_cflag |= newval | csize;
992}
993
Alan Cox335f8512009-06-11 12:26:29 +0100994static void iuu_close(struct usb_serial_port *port)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200995{
996 /* iuu_led (port,255,0,0,0); */
997 struct usb_serial *serial;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200998
999 serial = port->serial;
1000 if (!serial)
1001 return;
1002
Harvey Harrison441b62c2008-03-03 16:08:34 -08001003 dbg("%s - port %d", __func__, port->number);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001004
1005 iuu_uart_off(port);
1006 if (serial->dev) {
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001007 /* free writebuf */
1008 /* shutdown our urbs */
Harvey Harrison441b62c2008-03-03 16:08:34 -08001009 dbg("%s - shutting down urbs", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001010 usb_kill_urb(port->write_urb);
1011 usb_kill_urb(port->read_urb);
1012 usb_kill_urb(port->interrupt_in_urb);
1013 msleep(1000);
1014 /* wait one second to free all buffers */
1015 iuu_led(port, 0, 0, 0xF000, 0xFF);
1016 msleep(1000);
1017 usb_reset_device(port->serial->dev);
1018 }
1019}
1020
Alan Cox95da3102008-07-22 11:09:07 +01001021static int iuu_open(struct tty_struct *tty,
1022 struct usb_serial_port *port, struct file *filp)
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001023{
1024 struct usb_serial *serial = port->serial;
1025 u8 *buf;
1026 int result;
1027 u32 actual;
1028 unsigned long flags;
1029 struct iuu_private *priv = usb_get_serial_port_data(port);
1030
Harvey Harrison441b62c2008-03-03 16:08:34 -08001031 dbg("%s - port %d", __func__, port->number);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001032 usb_clear_halt(serial->dev, port->write_urb->pipe);
1033 usb_clear_halt(serial->dev, port->read_urb->pipe);
1034
1035 buf = kmalloc(10, GFP_KERNEL);
1036 if (buf == NULL)
1037 return -ENOMEM;
1038
1039 /* fixup the endpoint buffer size */
1040 kfree(port->bulk_out_buffer);
1041 port->bulk_out_buffer = kmalloc(512, GFP_KERNEL);
1042 port->bulk_out_size = 512;
1043 kfree(port->bulk_in_buffer);
1044 port->bulk_in_buffer = kmalloc(512, GFP_KERNEL);
1045 port->bulk_in_size = 512;
1046
1047 if (!port->bulk_out_buffer || !port->bulk_in_buffer) {
1048 kfree(port->bulk_out_buffer);
1049 kfree(port->bulk_in_buffer);
1050 kfree(buf);
1051 return -ENOMEM;
1052 }
1053
1054 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
1055 usb_sndbulkpipe(port->serial->dev,
1056 port->bulk_out_endpointAddress),
1057 port->bulk_out_buffer, 512,
1058 NULL, NULL);
1059
1060
1061 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
1062 usb_rcvbulkpipe(port->serial->dev,
1063 port->bulk_in_endpointAddress),
1064 port->bulk_in_buffer, 512,
1065 NULL, NULL);
1066
1067 /* set the termios structure */
1068 spin_lock_irqsave(&priv->lock, flags);
Alan Cox95da3102008-07-22 11:09:07 +01001069 if (tty && !priv->termios_initialized) {
1070 *(tty->termios) = tty_std_termios;
1071 tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
1072 | TIOCM_CTS | CSTOPB | PARENB;
1073 tty->termios->c_ispeed = 9600;
1074 tty->termios->c_ospeed = 9600;
1075 tty->termios->c_lflag = 0;
1076 tty->termios->c_oflag = 0;
1077 tty->termios->c_iflag = 0;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001078 priv->termios_initialized = 1;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001079 priv->poll = 0;
1080 }
1081 spin_unlock_irqrestore(&priv->lock, flags);
1082
1083 /* initialize writebuf */
1084#define FISH(a, b, c, d) do { \
1085 result = usb_control_msg(port->serial->dev, \
1086 usb_rcvctrlpipe(port->serial->dev, 0), \
1087 b, a, c, d, buf, 1, 1000); \
1088 dbg("0x%x:0x%x:0x%x:0x%x %d - %x", a, b, c, d, result, \
1089 buf[0]); } while (0);
1090
1091#define SOUP(a, b, c, d) do { \
1092 result = usb_control_msg(port->serial->dev, \
1093 usb_sndctrlpipe(port->serial->dev, 0), \
1094 b, a, c, d, NULL, 0, 1000); \
1095 dbg("0x%x:0x%x:0x%x:0x%x %d", a, b, c, d, result); } while (0)
1096
1097 /* This is not UART related but IUU USB driver related or something */
1098 /* like that. Basically no IUU will accept any commands from the USB */
1099 /* host unless it has received the following message */
1100 /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */
1101
1102 SOUP(0x03, 0x02, 0x02, 0x0);
1103 kfree(buf);
1104 iuu_led(port, 0xF000, 0xF000, 0, 0xFF);
1105 iuu_uart_on(port);
1106 if (boost < 100)
1107 boost = 100;
1108 switch (clockmode) {
1109 case 2: /* 3.680 Mhz */
1110 iuu_clk(port, IUU_CLK_3680000 * boost / 100);
1111 result =
1112 iuu_uart_baud(port, 9600 * boost / 100, &actual,
1113 IUU_PARITY_EVEN);
1114 break;
1115 case 3: /* 6.00 Mhz */
1116 iuu_clk(port, IUU_CLK_6000000 * boost / 100);
1117 result =
1118 iuu_uart_baud(port, 16457 * boost / 100, &actual,
1119 IUU_PARITY_EVEN);
1120 break;
1121 default: /* 3.579 Mhz */
1122 iuu_clk(port, IUU_CLK_3579000 * boost / 100);
1123 result =
1124 iuu_uart_baud(port, 9600 * boost / 100, &actual,
1125 IUU_PARITY_EVEN);
1126 }
1127
1128 /* set the cardin cardout signals */
1129 switch (cdmode) {
1130 case 0:
1131 iuu_cardin = 0;
1132 iuu_cardout = 0;
1133 break;
1134 case 1:
1135 iuu_cardin = TIOCM_CD;
1136 iuu_cardout = 0;
1137 break;
1138 case 2:
1139 iuu_cardin = 0;
1140 iuu_cardout = TIOCM_CD;
1141 break;
1142 case 3:
1143 iuu_cardin = TIOCM_DSR;
1144 iuu_cardout = 0;
1145 break;
1146 case 4:
1147 iuu_cardin = 0;
1148 iuu_cardout = TIOCM_DSR;
1149 break;
1150 case 5:
1151 iuu_cardin = TIOCM_CTS;
1152 iuu_cardout = 0;
1153 break;
1154 case 6:
1155 iuu_cardin = 0;
1156 iuu_cardout = TIOCM_CTS;
1157 break;
1158 case 7:
1159 iuu_cardin = TIOCM_RNG;
1160 iuu_cardout = 0;
1161 break;
1162 case 8:
1163 iuu_cardin = 0;
1164 iuu_cardout = TIOCM_RNG;
1165 }
1166
1167 iuu_uart_flush(port);
1168
Harvey Harrison441b62c2008-03-03 16:08:34 -08001169 dbg("%s - initialization done", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001170
1171 memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
1172 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
1173 usb_sndbulkpipe(port->serial->dev,
1174 port->bulk_out_endpointAddress),
1175 port->write_urb->transfer_buffer, 1,
1176 read_rxcmd_callback, port);
1177 result = usb_submit_urb(port->write_urb, GFP_KERNEL);
1178
1179 if (result) {
1180 dev_err(&port->dev, "%s - failed submitting read urb,"
Harvey Harrison441b62c2008-03-03 16:08:34 -08001181 " error %d\n", __func__, result);
Alan Cox335f8512009-06-11 12:26:29 +01001182 iuu_close(port);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001183 return -EPROTO;
1184 } else {
Harvey Harrison441b62c2008-03-03 16:08:34 -08001185 dbg("%s - rxcmd OK", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001186 }
1187 return result;
1188}
1189
1190static struct usb_serial_driver iuu_device = {
1191 .driver = {
1192 .owner = THIS_MODULE,
1193 .name = "iuu_phoenix",
1194 },
1195 .id_table = id_table,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001196 .num_ports = 1,
1197 .open = iuu_open,
1198 .close = iuu_close,
1199 .write = iuu_uart_write,
1200 .read_bulk_callback = iuu_uart_read_callback,
1201 .tiocmget = iuu_tiocmget,
1202 .tiocmset = iuu_tiocmset,
Olivier Bornet96dab772009-06-11 12:54:20 +01001203 .set_termios = iuu_set_termios,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001204 .attach = iuu_startup,
Alan Sternf9c99bb2009-06-02 11:53:55 -04001205 .release = iuu_release,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001206};
1207
1208static int __init iuu_init(void)
1209{
1210 int retval;
1211 retval = usb_serial_register(&iuu_device);
1212 if (retval)
1213 goto failed_usb_serial_register;
1214 retval = usb_register(&iuu_driver);
1215 if (retval)
1216 goto failed_usb_register;
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -07001217 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
1218 DRIVER_DESC "\n");
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001219 return 0;
1220failed_usb_register:
1221 usb_serial_deregister(&iuu_device);
1222failed_usb_serial_register:
1223 return retval;
1224}
1225
1226static void __exit iuu_exit(void)
1227{
1228 usb_deregister(&iuu_driver);
1229 usb_serial_deregister(&iuu_device);
1230}
1231
1232module_init(iuu_init);
1233module_exit(iuu_exit);
1234
1235MODULE_AUTHOR("Alain Degreffe eczema@ecze.com");
1236
1237MODULE_DESCRIPTION(DRIVER_DESC);
1238MODULE_LICENSE("GPL");
1239
1240MODULE_VERSION(DRIVER_VERSION);
1241module_param(debug, bool, S_IRUGO | S_IWUSR);
1242MODULE_PARM_DESC(debug, "Debug enabled or not");
1243
1244module_param(xmas, bool, S_IRUGO | S_IWUSR);
1245MODULE_PARM_DESC(xmas, "xmas color enabled or not");
1246
1247module_param(boost, int, S_IRUGO | S_IWUSR);
1248MODULE_PARM_DESC(boost, "overclock boost percent 100 to 500");
1249
1250module_param(clockmode, int, S_IRUGO | S_IWUSR);
1251MODULE_PARM_DESC(clockmode, "1=3Mhz579,2=3Mhz680,3=6Mhz");
1252
1253module_param(cdmode, int, S_IRUGO | S_IWUSR);
1254MODULE_PARM_DESC(cdmode, "Card detect mode 0=none, 1=CD, 2=!CD, 3=DSR, "
1255 "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING");