blob: efc72113216b2f365a647b6f1b7067b705bb085f [file] [log] [blame]
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001/*
2 * Infinity Unlimited USB Phoenix driver
3 *
James Courtier-Dutton89b54392010-05-21 11:53:25 +01004 * Copyright (C) 2010 James Courtier-Dutton (James@superbug.co.uk)
5
Alain Degreffe60a8fc02007-10-26 13:51:49 +02006 * Copyright (C) 2007 Alain Degreffe (eczema@ecze.com)
7 *
8 * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos Borrás)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * And tested with help of WB Electronics
16 *
17 */
18#include <linux/kernel.h>
19#include <linux/errno.h>
20#include <linux/init.h>
21#include <linux/slab.h>
22#include <linux/tty.h>
23#include <linux/tty_driver.h>
24#include <linux/tty_flip.h>
25#include <linux/serial.h>
26#include <linux/module.h>
27#include <linux/moduleparam.h>
28#include <linux/spinlock.h>
29#include <linux/uaccess.h>
30#include <linux/usb.h>
31#include <linux/usb/serial.h>
32#include "iuu_phoenix.h"
33#include <linux/random.h>
34
35
36#ifdef CONFIG_USB_SERIAL_DEBUG
37static int debug = 1;
38#else
39static int debug;
40#endif
41
42/*
43 * Version Information
44 */
James Courtier-Dutton89b54392010-05-21 11:53:25 +010045#define DRIVER_VERSION "v0.12"
Alain Degreffe60a8fc02007-10-26 13:51:49 +020046#define DRIVER_DESC "Infinity USB Unlimited Phoenix driver"
47
Németh Márton7d40d7e2010-01-10 15:34:24 +010048static const struct usb_device_id id_table[] = {
Alain Degreffe60a8fc02007-10-26 13:51:49 +020049 {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)},
50 {} /* Terminating entry */
51};
52MODULE_DEVICE_TABLE(usb, id_table);
53
54static struct usb_driver iuu_driver = {
55 .name = "iuu_phoenix",
56 .probe = usb_serial_probe,
57 .disconnect = usb_serial_disconnect,
58 .id_table = id_table,
59 .no_dynamic_id = 1,
60};
61
62/* turbo parameter */
63static int boost = 100;
64static int clockmode = 1;
65static int cdmode = 1;
66static int iuu_cardin;
67static int iuu_cardout;
68static int xmas;
Olivier Bornete55c6d02009-08-18 21:05:57 +020069static int vcc_default = 5;
Alain Degreffe60a8fc02007-10-26 13:51:49 +020070
71static void read_rxcmd_callback(struct urb *urb);
72
73struct iuu_private {
74 spinlock_t lock; /* store irq state */
75 wait_queue_head_t delta_msr_wait;
Alain Degreffe60a8fc02007-10-26 13:51:49 +020076 u8 line_status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +020077 int tiostatus; /* store IUART SIGNAL for tiocmget call */
78 u8 reset; /* if 1 reset is needed */
79 int poll; /* number of poll */
80 u8 *writebuf; /* buffer for writing to device */
81 int writelen; /* num of byte to write to device */
82 u8 *buf; /* used for initialize speed */
83 u8 *dbgbuf; /* debug buffer */
84 u8 len;
Olivier Bornet20eda942009-08-18 21:05:55 +020085 int vcc; /* vcc (either 3 or 5 V) */
James Courtier-Dutton89b54392010-05-21 11:53:25 +010086 u32 baud;
87 u32 boost;
88 u32 clk;
Alain Degreffe60a8fc02007-10-26 13:51:49 +020089};
90
91
92static void iuu_free_buf(struct iuu_private *priv)
93{
94 kfree(priv->buf);
95 kfree(priv->dbgbuf);
96 kfree(priv->writebuf);
97}
98
99static int iuu_alloc_buf(struct iuu_private *priv)
100{
101 priv->buf = kzalloc(256, GFP_KERNEL);
102 priv->dbgbuf = kzalloc(256, GFP_KERNEL);
103 priv->writebuf = kzalloc(256, GFP_KERNEL);
104 if (!priv->buf || !priv->dbgbuf || !priv->writebuf) {
105 iuu_free_buf(priv);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800106 dbg("%s problem allocation buffer", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200107 return -ENOMEM;
108 }
Harvey Harrison441b62c2008-03-03 16:08:34 -0800109 dbg("%s - Privates buffers allocation success", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200110 return 0;
111}
112
113static int iuu_startup(struct usb_serial *serial)
114{
115 struct iuu_private *priv;
116 priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800117 dbg("%s- priv allocation success", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200118 if (!priv)
119 return -ENOMEM;
120 if (iuu_alloc_buf(priv)) {
121 kfree(priv);
122 return -ENOMEM;
123 }
Olivier Bornete55c6d02009-08-18 21:05:57 +0200124 priv->vcc = vcc_default;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200125 spin_lock_init(&priv->lock);
126 init_waitqueue_head(&priv->delta_msr_wait);
127 usb_set_serial_port_data(serial->port[0], priv);
128 return 0;
129}
130
Alan Sternf9c99bb2009-06-02 11:53:55 -0400131/* Release function */
132static void iuu_release(struct usb_serial *serial)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200133{
134 struct usb_serial_port *port = serial->port[0];
135 struct iuu_private *priv = usb_get_serial_port_data(port);
136 if (!port)
137 return;
138
Harvey Harrison441b62c2008-03-03 16:08:34 -0800139 dbg("%s", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200140
141 if (priv) {
142 iuu_free_buf(priv);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800143 dbg("%s - I will free all", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200144 usb_set_serial_port_data(port, NULL);
145
Harvey Harrison441b62c2008-03-03 16:08:34 -0800146 dbg("%s - priv is not anymore in port structure", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200147 kfree(priv);
148
Harvey Harrison441b62c2008-03-03 16:08:34 -0800149 dbg("%s priv is now kfree", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200150 }
151}
152
Alan Cox95da3102008-07-22 11:09:07 +0100153static int iuu_tiocmset(struct tty_struct *tty, struct file *file,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200154 unsigned int set, unsigned int clear)
155{
Alan Cox95da3102008-07-22 11:09:07 +0100156 struct usb_serial_port *port = tty->driver_data;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200157 struct iuu_private *priv = usb_get_serial_port_data(port);
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000158 unsigned long flags;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200159
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000160 /* FIXME: locking on tiomstatus */
Harvey Harrison441b62c2008-03-03 16:08:34 -0800161 dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200162 port->number, set, clear);
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000163
164 spin_lock_irqsave(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200165
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100166 if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800167 dbg("%s TIOCMSET RESET called !!!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200168 priv->reset = 1;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200169 }
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100170 if (set & TIOCM_RTS)
171 priv->tiostatus = TIOCM_RTS;
172
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000173 spin_unlock_irqrestore(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200174 return 0;
175}
176
177/* This is used to provide a carrier detect mechanism
178 * When a card is present, the response is 0x00
179 * When no card , the reader respond with TIOCM_CD
180 * This is known as CD autodetect mechanism
181 */
Alan Cox95da3102008-07-22 11:09:07 +0100182static int iuu_tiocmget(struct tty_struct *tty, struct file *file)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200183{
Alan Cox95da3102008-07-22 11:09:07 +0100184 struct usb_serial_port *port = tty->driver_data;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200185 struct iuu_private *priv = usb_get_serial_port_data(port);
Alan Cox7b1fc8b2008-02-20 21:39:25 +0000186 unsigned long flags;
187 int rc;
188
189 spin_lock_irqsave(&priv->lock, flags);
190 rc = priv->tiostatus;
191 spin_unlock_irqrestore(&priv->lock, flags);
192
193 return rc;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200194}
195
196static void iuu_rxcmd(struct urb *urb)
197{
Ming Leicdc97792008-02-24 18:41:47 +0800198 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200199 int result;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800200 int status = urb->status;
201
Harvey Harrison441b62c2008-03-03 16:08:34 -0800202 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200203
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800204 if (status) {
205 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200206 /* error stop all */
207 return;
208 }
209
210
211 memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
212 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
213 usb_sndbulkpipe(port->serial->dev,
214 port->bulk_out_endpointAddress),
215 port->write_urb->transfer_buffer, 1,
216 read_rxcmd_callback, port);
217 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
218}
219
220static int iuu_reset(struct usb_serial_port *port, u8 wt)
221{
222 struct iuu_private *priv = usb_get_serial_port_data(port);
223 int result;
224 char *buf_ptr = port->write_urb->transfer_buffer;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800225 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200226
227 /* Prepare the reset sequence */
228
229 *buf_ptr++ = IUU_RST_SET;
230 *buf_ptr++ = IUU_DELAY_MS;
231 *buf_ptr++ = wt;
232 *buf_ptr = IUU_RST_CLEAR;
233
234 /* send the sequence */
235
236 usb_fill_bulk_urb(port->write_urb,
237 port->serial->dev,
238 usb_sndbulkpipe(port->serial->dev,
239 port->bulk_out_endpointAddress),
240 port->write_urb->transfer_buffer, 4, iuu_rxcmd, port);
241 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
242 priv->reset = 0;
243 return result;
244}
245
246/* Status Function
247 * Return value is
248 * 0x00 = no card
249 * 0x01 = smartcard
250 * 0x02 = sim card
251 */
252static void iuu_update_status_callback(struct urb *urb)
253{
Ming Leicdc97792008-02-24 18:41:47 +0800254 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200255 struct iuu_private *priv = usb_get_serial_port_data(port);
256 u8 *st;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800257 int status = urb->status;
258
Harvey Harrison441b62c2008-03-03 16:08:34 -0800259 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200260
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800261 if (status) {
262 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200263 /* error stop all */
264 return;
265 }
266
267 st = urb->transfer_buffer;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800268 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200269 if (urb->actual_length == 1) {
270 switch (st[0]) {
271 case 0x1:
272 priv->tiostatus = iuu_cardout;
273 break;
274 case 0x0:
275 priv->tiostatus = iuu_cardin;
276 break;
277 default:
278 priv->tiostatus = iuu_cardin;
279 }
280 }
281 iuu_rxcmd(urb);
282}
283
284static void iuu_status_callback(struct urb *urb)
285{
Ming Leicdc97792008-02-24 18:41:47 +0800286 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200287 int result;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800288 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200289
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800290 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200291 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
292 usb_rcvbulkpipe(port->serial->dev,
293 port->bulk_in_endpointAddress),
294 port->read_urb->transfer_buffer, 256,
295 iuu_update_status_callback, port);
296 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
297}
298
299static int iuu_status(struct usb_serial_port *port)
300{
301 int result;
302
Harvey Harrison441b62c2008-03-03 16:08:34 -0800303 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200304
305 memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1);
306 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
307 usb_sndbulkpipe(port->serial->dev,
308 port->bulk_out_endpointAddress),
309 port->write_urb->transfer_buffer, 1,
310 iuu_status_callback, port);
311 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
312 return result;
313
314}
315
316static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
317{
318 int status;
319 struct usb_serial *serial = port->serial;
320 int actual = 0;
321
Harvey Harrison441b62c2008-03-03 16:08:34 -0800322 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200323
324 /* send the data out the bulk port */
325
326 status =
327 usb_bulk_msg(serial->dev,
328 usb_sndbulkpipe(serial->dev,
329 port->bulk_out_endpointAddress), buf,
330 count, &actual, HZ * 1);
331
Alan Cox9e8e2d22008-07-22 11:12:59 +0100332 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800333 dbg("%s - error = %2x", __func__, status);
Alan Cox9e8e2d22008-07-22 11:12:59 +0100334 else
Harvey Harrison441b62c2008-03-03 16:08:34 -0800335 dbg("%s - write OK !", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200336 return status;
337}
338
339static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
340{
341 int status;
342 struct usb_serial *serial = port->serial;
343 int actual = 0;
344
Harvey Harrison441b62c2008-03-03 16:08:34 -0800345 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200346
347 /* send the data out the bulk port */
348
349 status =
350 usb_bulk_msg(serial->dev,
351 usb_rcvbulkpipe(serial->dev,
352 port->bulk_in_endpointAddress), buf,
353 count, &actual, HZ * 1);
354
Alan Cox9e8e2d22008-07-22 11:12:59 +0100355 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800356 dbg("%s - error = %2x", __func__, status);
Alan Cox9e8e2d22008-07-22 11:12:59 +0100357 else
Harvey Harrison441b62c2008-03-03 16:08:34 -0800358 dbg("%s - read OK !", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200359 return status;
360}
361
362static int iuu_led(struct usb_serial_port *port, unsigned int R,
363 unsigned int G, unsigned int B, u8 f)
364{
365 int status;
366 u8 *buf;
367 buf = kmalloc(8, GFP_KERNEL);
368 if (!buf)
369 return -ENOMEM;
370
Harvey Harrison441b62c2008-03-03 16:08:34 -0800371 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200372
373 buf[0] = IUU_SET_LED;
374 buf[1] = R & 0xFF;
375 buf[2] = (R >> 8) & 0xFF;
376 buf[3] = G & 0xFF;
377 buf[4] = (G >> 8) & 0xFF;
378 buf[5] = B & 0xFF;
379 buf[6] = (B >> 8) & 0xFF;
380 buf[7] = f;
381 status = bulk_immediate(port, buf, 8);
382 kfree(buf);
383 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800384 dbg("%s - led error status = %2x", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200385 else
Harvey Harrison441b62c2008-03-03 16:08:34 -0800386 dbg("%s - led OK !", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200387 return IUU_OPERATION_OK;
388}
389
390static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1,
391 u8 b2, u8 freq)
392{
393 *buf++ = IUU_SET_LED;
394 *buf++ = r1;
395 *buf++ = r2;
396 *buf++ = g1;
397 *buf++ = g2;
398 *buf++ = b1;
399 *buf++ = b2;
400 *buf = freq;
401}
402
403static void iuu_led_activity_on(struct urb *urb)
404{
Ming Leicdc97792008-02-24 18:41:47 +0800405 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200406 int result;
407 char *buf_ptr = port->write_urb->transfer_buffer;
408 *buf_ptr++ = IUU_SET_LED;
409 if (xmas == 1) {
410 get_random_bytes(buf_ptr, 6);
411 *(buf_ptr+7) = 1;
412 } else {
413 iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255);
414 }
415
416 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
417 usb_sndbulkpipe(port->serial->dev,
418 port->bulk_out_endpointAddress),
419 port->write_urb->transfer_buffer, 8 ,
420 iuu_rxcmd, port);
421 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
422}
423
424static void iuu_led_activity_off(struct urb *urb)
425{
Ming Leicdc97792008-02-24 18:41:47 +0800426 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200427 int result;
428 char *buf_ptr = port->write_urb->transfer_buffer;
429 if (xmas == 1) {
430 iuu_rxcmd(urb);
431 return;
432 } else {
433 *buf_ptr++ = IUU_SET_LED;
434 iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255);
435 }
436 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
437 usb_sndbulkpipe(port->serial->dev,
438 port->bulk_out_endpointAddress),
439 port->write_urb->transfer_buffer, 8 ,
440 iuu_rxcmd, port);
441 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
442}
443
444
445
446static int iuu_clk(struct usb_serial_port *port, int dwFrq)
447{
448 int status;
449 struct iuu_private *priv = usb_get_serial_port_data(port);
450 int Count = 0;
451 u8 FrqGenAdr = 0x69;
452 u8 DIV = 0; /* 8bit */
453 u8 XDRV = 0; /* 8bit */
454 u8 PUMP = 0; /* 3bit */
455 u8 PBmsb = 0; /* 2bit */
456 u8 PBlsb = 0; /* 8bit */
457 u8 PO = 0; /* 1bit */
458 u8 Q = 0; /* 7bit */
459 /* 24bit = 3bytes */
460 unsigned int P = 0;
461 unsigned int P2 = 0;
462 int frq = (int)dwFrq;
463
Harvey Harrison441b62c2008-03-03 16:08:34 -0800464 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200465
466 if (frq == 0) {
467 priv->buf[Count++] = IUU_UART_WRITE_I2C;
468 priv->buf[Count++] = FrqGenAdr << 1;
469 priv->buf[Count++] = 0x09;
470 priv->buf[Count++] = 0x00;
471
472 status = bulk_immediate(port, (u8 *) priv->buf, Count);
473 if (status != 0) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800474 dbg("%s - write error ", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200475 return status;
476 }
477 } else if (frq == 3579000) {
478 DIV = 100;
479 P = 1193;
480 Q = 40;
481 XDRV = 0;
482 } else if (frq == 3680000) {
483 DIV = 105;
484 P = 161;
485 Q = 5;
486 XDRV = 0;
487 } else if (frq == 6000000) {
488 DIV = 66;
489 P = 66;
490 Q = 2;
491 XDRV = 0x28;
492 } else {
493 unsigned int result = 0;
494 unsigned int tmp = 0;
495 unsigned int check;
496 unsigned int check2;
497 char found = 0x00;
498 unsigned int lQ = 2;
499 unsigned int lP = 2055;
500 unsigned int lDiv = 4;
501
502 for (lQ = 2; lQ <= 47 && !found; lQ++)
503 for (lP = 2055; lP >= 8 && !found; lP--)
504 for (lDiv = 4; lDiv <= 127 && !found; lDiv++) {
505 tmp = (12000000 / lDiv) * (lP / lQ);
506 if (abs((int)(tmp - frq)) <
507 abs((int)(frq - result))) {
508 check2 = (12000000 / lQ);
509 if (check2 < 250000)
510 continue;
511 check = (12000000 / lQ) * lP;
512 if (check > 400000000)
513 continue;
514 if (check < 100000000)
515 continue;
516 if (lDiv < 4 || lDiv > 127)
517 continue;
518 result = tmp;
519 P = lP;
520 DIV = lDiv;
521 Q = lQ;
522 if (result == frq)
523 found = 0x01;
524 }
525 }
526 }
527 P2 = ((P - PO) / 2) - 4;
528 DIV = DIV;
529 PUMP = 0x04;
530 PBmsb = (P2 >> 8 & 0x03);
531 PBlsb = P2 & 0xFF;
532 PO = (P >> 10) & 0x01;
533 Q = Q - 2;
534
535 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
536 priv->buf[Count++] = FrqGenAdr << 1;
537 priv->buf[Count++] = 0x09;
538 priv->buf[Count++] = 0x20; /* Adr = 0x09 */
539 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
540 priv->buf[Count++] = FrqGenAdr << 1;
541 priv->buf[Count++] = 0x0C;
542 priv->buf[Count++] = DIV; /* Adr = 0x0C */
543 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
544 priv->buf[Count++] = FrqGenAdr << 1;
545 priv->buf[Count++] = 0x12;
546 priv->buf[Count++] = XDRV; /* Adr = 0x12 */
547 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
548 priv->buf[Count++] = FrqGenAdr << 1;
549 priv->buf[Count++] = 0x13;
550 priv->buf[Count++] = 0x6B; /* Adr = 0x13 */
551 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
552 priv->buf[Count++] = FrqGenAdr << 1;
553 priv->buf[Count++] = 0x40;
554 priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) |
555 (PBmsb & 0x03); /* Adr = 0x40 */
556 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
557 priv->buf[Count++] = FrqGenAdr << 1;
558 priv->buf[Count++] = 0x41;
559 priv->buf[Count++] = PBlsb; /* Adr = 0x41 */
560 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
561 priv->buf[Count++] = FrqGenAdr << 1;
562 priv->buf[Count++] = 0x42;
563 priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */
564 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
565 priv->buf[Count++] = FrqGenAdr << 1;
566 priv->buf[Count++] = 0x44;
567 priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */
568 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
569 priv->buf[Count++] = FrqGenAdr << 1;
570 priv->buf[Count++] = 0x45;
571 priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */
572 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
573 priv->buf[Count++] = FrqGenAdr << 1;
574 priv->buf[Count++] = 0x46;
575 priv->buf[Count++] = 0x7F; /* Adr = 0x46 */
576 priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */
577 priv->buf[Count++] = FrqGenAdr << 1;
578 priv->buf[Count++] = 0x47;
579 priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */
580
581 status = bulk_immediate(port, (u8 *) priv->buf, Count);
582 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800583 dbg("%s - write error ", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200584 return status;
585}
586
587static int iuu_uart_flush(struct usb_serial_port *port)
588{
589 int i;
590 int status;
591 u8 rxcmd = IUU_UART_RX;
592 struct iuu_private *priv = usb_get_serial_port_data(port);
593
Harvey Harrison441b62c2008-03-03 16:08:34 -0800594 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200595
596 if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)
597 return -EIO;
598
599 for (i = 0; i < 2; i++) {
600 status = bulk_immediate(port, &rxcmd, 1);
601 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800602 dbg("%s - uart_flush_write error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200603 return status;
604 }
605
606 status = read_immediate(port, &priv->len, 1);
607 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800608 dbg("%s - uart_flush_read error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200609 return status;
610 }
611
612 if (priv->len > 0) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800613 dbg("%s - uart_flush datalen is : %i ", __func__,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200614 priv->len);
615 status = read_immediate(port, priv->buf, priv->len);
616 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800617 dbg("%s - uart_flush_read error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200618 return status;
619 }
620 }
621 }
Harvey Harrison441b62c2008-03-03 16:08:34 -0800622 dbg("%s - uart_flush_read OK!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200623 iuu_led(port, 0, 0xF000, 0, 0xFF);
624 return status;
625}
626
627static void read_buf_callback(struct urb *urb)
628{
Ming Leicdc97792008-02-24 18:41:47 +0800629 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200630 unsigned char *data = urb->transfer_buffer;
631 struct tty_struct *tty;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800632 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200633
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800634 dbg("%s - status = %d", __func__, status);
635
636 if (status) {
637 if (status == -EPROTO) {
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200638 /* reschedule needed */
639 }
640 return;
641 }
642
Harvey Harrison441b62c2008-03-03 16:08:34 -0800643 dbg("%s - %i chars to write", __func__, urb->actual_length);
Alan Cox4a90f092008-10-13 10:39:46 +0100644 tty = tty_port_tty_get(&port->port);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200645 if (data == NULL)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800646 dbg("%s - data is NULL !!!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200647 if (tty && urb->actual_length && data) {
648 tty_insert_flip_string(tty, data, urb->actual_length);
649 tty_flip_buffer_push(tty);
650 }
Alan Cox4a90f092008-10-13 10:39:46 +0100651 tty_kref_put(tty);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200652 iuu_led_activity_on(urb);
653}
654
655static int iuu_bulk_write(struct usb_serial_port *port)
656{
657 struct iuu_private *priv = usb_get_serial_port_data(port);
Steven Rostedt85943032008-05-06 20:42:31 -0700658 unsigned long flags;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200659 int result;
660 int i;
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100661 int buf_len;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200662 char *buf_ptr = port->write_urb->transfer_buffer;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800663 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200664
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100665 spin_lock_irqsave(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200666 *buf_ptr++ = IUU_UART_ESC;
667 *buf_ptr++ = IUU_UART_TX;
668 *buf_ptr++ = priv->writelen;
669
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100670 memcpy(buf_ptr, priv->writebuf, priv->writelen);
671 buf_len = priv->writelen;
672 priv->writelen = 0;
673 spin_unlock_irqrestore(&priv->lock, flags);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200674 if (debug == 1) {
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100675 for (i = 0; i < buf_len; i++)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200676 sprintf(priv->dbgbuf + i*2 ,
677 "%02X", priv->writebuf[i]);
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100678 priv->dbgbuf[buf_len+i*2] = 0;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800679 dbg("%s - writing %i chars : %s", __func__,
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100680 buf_len, priv->dbgbuf);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200681 }
682 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
683 usb_sndbulkpipe(port->serial->dev,
684 port->bulk_out_endpointAddress),
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100685 port->write_urb->transfer_buffer, buf_len + 3,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200686 iuu_rxcmd, port);
687 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200688 usb_serial_port_softint(port);
689 return result;
690}
691
692static int iuu_read_buf(struct usb_serial_port *port, int len)
693{
694 int result;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800695 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200696
697 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
698 usb_rcvbulkpipe(port->serial->dev,
699 port->bulk_in_endpointAddress),
700 port->read_urb->transfer_buffer, len,
701 read_buf_callback, port);
702 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
703 return result;
704}
705
706static void iuu_uart_read_callback(struct urb *urb)
707{
Ming Leicdc97792008-02-24 18:41:47 +0800708 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200709 struct iuu_private *priv = usb_get_serial_port_data(port);
Steven Rostedt85943032008-05-06 20:42:31 -0700710 unsigned long flags;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800711 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200712 int error = 0;
713 int len = 0;
714 unsigned char *data = urb->transfer_buffer;
715 priv->poll++;
716
Harvey Harrison441b62c2008-03-03 16:08:34 -0800717 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200718
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800719 if (status) {
720 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200721 /* error stop all */
722 return;
723 }
724 if (data == NULL)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800725 dbg("%s - data is NULL !!!", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200726
727 if (urb->actual_length == 1 && data != NULL)
728 len = (int) data[0];
729
730 if (urb->actual_length > 1) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800731 dbg("%s - urb->actual_length = %i", __func__,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200732 urb->actual_length);
733 error = 1;
734 return;
735 }
736 /* if len > 0 call readbuf */
737
738 if (len > 0 && error == 0) {
739 dbg("%s - call read buf - len to read is %i ",
Harvey Harrison441b62c2008-03-03 16:08:34 -0800740 __func__, len);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200741 status = iuu_read_buf(port, len);
742 return;
743 }
744 /* need to update status ? */
745 if (priv->poll > 99) {
746 status = iuu_status(port);
747 priv->poll = 0;
748 return;
749 }
750
751 /* reset waiting ? */
752
753 if (priv->reset == 1) {
754 status = iuu_reset(port, 0xC);
755 return;
756 }
757 /* Writebuf is waiting */
758 spin_lock_irqsave(&priv->lock, flags);
759 if (priv->writelen > 0) {
760 spin_unlock_irqrestore(&priv->lock, flags);
761 status = iuu_bulk_write(port);
762 return;
763 }
764 spin_unlock_irqrestore(&priv->lock, flags);
765 /* if nothing to write call again rxcmd */
Harvey Harrison441b62c2008-03-03 16:08:34 -0800766 dbg("%s - rxcmd recall", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200767 iuu_led_activity_off(urb);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200768}
769
Alan Cox95da3102008-07-22 11:09:07 +0100770static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port,
771 const u8 *buf, int count)
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200772{
773 struct iuu_private *priv = usb_get_serial_port_data(port);
Steven Rostedt85943032008-05-06 20:42:31 -0700774 unsigned long flags;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800775 dbg("%s - enter", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200776
777 if (count > 256)
778 return -ENOMEM;
779
780 spin_lock_irqsave(&priv->lock, flags);
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100781
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200782 /* fill the buffer */
Olivier Bornet5fcf62b2009-06-11 12:52:26 +0100783 memcpy(priv->writebuf + priv->writelen, buf, count);
784 priv->writelen += count;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200785 spin_unlock_irqrestore(&priv->lock, flags);
786
Alan Cox9e8e2d22008-07-22 11:12:59 +0100787 return count;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200788}
789
790static void read_rxcmd_callback(struct urb *urb)
791{
Ming Leicdc97792008-02-24 18:41:47 +0800792 struct usb_serial_port *port = urb->context;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200793 int result;
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800794 int status = urb->status;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200795
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800796 dbg("%s - status = %d", __func__, status);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200797
Greg Kroah-Hartman50de36f2008-12-10 16:00:30 -0800798 if (status) {
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200799 /* error stop all */
800 return;
801 }
802
803 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
804 usb_rcvbulkpipe(port->serial->dev,
805 port->bulk_in_endpointAddress),
806 port->read_urb->transfer_buffer, 256,
807 iuu_uart_read_callback, port);
808 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
Harvey Harrison441b62c2008-03-03 16:08:34 -0800809 dbg("%s - submit result = %d", __func__, result);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200810 return;
811}
812
813static int iuu_uart_on(struct usb_serial_port *port)
814{
815 int status;
816 u8 *buf;
817
818 buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL);
819
820 if (!buf)
821 return -ENOMEM;
822
823 buf[0] = IUU_UART_ENABLE;
824 buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF);
825 buf[2] = (u8) (0x00FF & IUU_BAUD_9600);
Olivier Bornetcc3447d2009-06-11 12:53:24 +0100826 buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200827
828 status = bulk_immediate(port, buf, 4);
829 if (status != IUU_OPERATION_OK) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800830 dbg("%s - uart_on error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200831 goto uart_enable_failed;
832 }
833 /* iuu_reset() the card after iuu_uart_on() */
834 status = iuu_uart_flush(port);
835 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800836 dbg("%s - uart_flush error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200837uart_enable_failed:
838 kfree(buf);
839 return status;
840}
841
842/* Diables the IUU UART (a.k.a. the Phoenix voiderface) */
843static int iuu_uart_off(struct usb_serial_port *port)
844{
845 int status;
846 u8 *buf;
847 buf = kmalloc(1, GFP_KERNEL);
848 if (!buf)
849 return -ENOMEM;
850 buf[0] = IUU_UART_DISABLE;
851
852 status = bulk_immediate(port, buf, 1);
853 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800854 dbg("%s - uart_off error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200855
856 kfree(buf);
857 return status;
858}
859
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100860static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base,
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200861 u32 *actual, u8 parity)
862{
863 int status;
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100864 u32 baud;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200865 u8 *dataout;
866 u8 DataCount = 0;
867 u8 T1Frekvens = 0;
868 u8 T1reload = 0;
869 unsigned int T1FrekvensHZ = 0;
870
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100871 dbg("%s - enter baud_base=%d", __func__, baud_base);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200872 dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL);
873
874 if (!dataout)
875 return -ENOMEM;
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100876 /*baud = (((priv->clk / 35) * baud_base) / 100000); */
877 baud = baud_base;
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200878
879 if (baud < 1200 || baud > 230400) {
880 kfree(dataout);
881 return IUU_INVALID_PARAMETER;
882 }
883 if (baud > 977) {
884 T1Frekvens = 3;
885 T1FrekvensHZ = 500000;
886 }
887
888 if (baud > 3906) {
889 T1Frekvens = 2;
890 T1FrekvensHZ = 2000000;
891 }
892
893 if (baud > 11718) {
894 T1Frekvens = 1;
895 T1FrekvensHZ = 6000000;
896 }
897
898 if (baud > 46875) {
899 T1Frekvens = 0;
900 T1FrekvensHZ = 24000000;
901 }
902
903 T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2));
904
905 /* magic number here: ENTER_FIRMWARE_UPDATE; */
906 dataout[DataCount++] = IUU_UART_ESC;
907 /* magic number here: CHANGE_BAUD; */
908 dataout[DataCount++] = IUU_UART_CHANGE;
909 dataout[DataCount++] = T1Frekvens;
910 dataout[DataCount++] = T1reload;
911
912 *actual = (T1FrekvensHZ / (256 - T1reload)) / 2;
913
914 switch (parity & 0x0F) {
915 case IUU_PARITY_NONE:
916 dataout[DataCount++] = 0x00;
917 break;
918 case IUU_PARITY_EVEN:
919 dataout[DataCount++] = 0x01;
920 break;
921 case IUU_PARITY_ODD:
922 dataout[DataCount++] = 0x02;
923 break;
924 case IUU_PARITY_MARK:
925 dataout[DataCount++] = 0x03;
926 break;
927 case IUU_PARITY_SPACE:
928 dataout[DataCount++] = 0x04;
929 break;
930 default:
931 kfree(dataout);
932 return IUU_INVALID_PARAMETER;
933 break;
934 }
935
936 switch (parity & 0xF0) {
937 case IUU_ONE_STOP_BIT:
938 dataout[DataCount - 1] |= IUU_ONE_STOP_BIT;
939 break;
940
941 case IUU_TWO_STOP_BITS:
942 dataout[DataCount - 1] |= IUU_TWO_STOP_BITS;
943 break;
944 default:
945 kfree(dataout);
946 return IUU_INVALID_PARAMETER;
947 break;
948 }
949
950 status = bulk_immediate(port, dataout, DataCount);
951 if (status != IUU_OPERATION_OK)
Harvey Harrison441b62c2008-03-03 16:08:34 -0800952 dbg("%s - uart_off error", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +0200953 kfree(dataout);
954 return status;
955}
956
Olivier Bornet96dab772009-06-11 12:54:20 +0100957static void iuu_set_termios(struct tty_struct *tty,
958 struct usb_serial_port *port, struct ktermios *old_termios)
959{
960 const u32 supported_mask = CMSPAR|PARENB|PARODD;
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100961 struct iuu_private *priv = usb_get_serial_port_data(port);
Olivier Bornet96dab772009-06-11 12:54:20 +0100962 unsigned int cflag = tty->termios->c_cflag;
963 int status;
964 u32 actual;
965 u32 parity;
966 int csize = CS7;
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100967 int baud;
Olivier Bornet96dab772009-06-11 12:54:20 +0100968 u32 newval = cflag & supported_mask;
969
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100970 /* Just use the ospeed. ispeed should be the same. */
971 baud = tty->termios->c_ospeed;
972
973 dbg("%s - enter c_ospeed or baud=%d", __func__, baud);
974
Olivier Bornet96dab772009-06-11 12:54:20 +0100975 /* compute the parity parameter */
976 parity = 0;
977 if (cflag & CMSPAR) { /* Using mark space */
978 if (cflag & PARODD)
979 parity |= IUU_PARITY_SPACE;
980 else
981 parity |= IUU_PARITY_MARK;
982 } else if (!(cflag & PARENB)) {
983 parity |= IUU_PARITY_NONE;
984 csize = CS8;
985 } else if (cflag & PARODD)
986 parity |= IUU_PARITY_ODD;
987 else
988 parity |= IUU_PARITY_EVEN;
989
990 parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT);
991
992 /* set it */
993 status = iuu_uart_baud(port,
James Courtier-Dutton89b54392010-05-21 11:53:25 +0100994 baud * priv->boost / 100,
Olivier Bornet96dab772009-06-11 12:54:20 +0100995 &actual, parity);
996
997 /* set the termios value to the real one, so the user now what has
998 * changed. We support few fields so its easies to copy the old hw
999 * settings back over and then adjust them
1000 */
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001001 if (old_termios)
1002 tty_termios_copy_hw(tty->termios, old_termios);
Olivier Bornet96dab772009-06-11 12:54:20 +01001003 if (status != 0) /* Set failed - return old bits */
1004 return;
1005 /* Re-encode speed, parity and csize */
1006 tty_encode_baud_rate(tty, baud, baud);
1007 tty->termios->c_cflag &= ~(supported_mask|CSIZE);
1008 tty->termios->c_cflag |= newval | csize;
1009}
1010
Alan Cox335f8512009-06-11 12:26:29 +01001011static void iuu_close(struct usb_serial_port *port)
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001012{
1013 /* iuu_led (port,255,0,0,0); */
1014 struct usb_serial *serial;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001015
1016 serial = port->serial;
1017 if (!serial)
1018 return;
1019
Harvey Harrison441b62c2008-03-03 16:08:34 -08001020 dbg("%s - port %d", __func__, port->number);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001021
1022 iuu_uart_off(port);
1023 if (serial->dev) {
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001024 /* free writebuf */
1025 /* shutdown our urbs */
Harvey Harrison441b62c2008-03-03 16:08:34 -08001026 dbg("%s - shutting down urbs", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001027 usb_kill_urb(port->write_urb);
1028 usb_kill_urb(port->read_urb);
1029 usb_kill_urb(port->interrupt_in_urb);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001030 iuu_led(port, 0, 0, 0xF000, 0xFF);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001031 }
1032}
1033
Alan Coxfe1ae7f2009-09-19 13:13:33 -07001034static void iuu_init_termios(struct tty_struct *tty)
1035{
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001036 dbg("%s - enter", __func__);
Alan Coxfe1ae7f2009-09-19 13:13:33 -07001037 *(tty->termios) = tty_std_termios;
1038 tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
1039 | TIOCM_CTS | CSTOPB | PARENB;
1040 tty->termios->c_ispeed = 9600;
1041 tty->termios->c_ospeed = 9600;
1042 tty->termios->c_lflag = 0;
1043 tty->termios->c_oflag = 0;
1044 tty->termios->c_iflag = 0;
1045}
1046
Alan Coxa509a7e2009-09-19 13:13:26 -07001047static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001048{
1049 struct usb_serial *serial = port->serial;
1050 u8 *buf;
1051 int result;
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001052 int baud;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001053 u32 actual;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001054 struct iuu_private *priv = usb_get_serial_port_data(port);
1055
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001056 baud = tty->termios->c_ospeed;
1057 tty->termios->c_ispeed = baud;
1058 /* Re-encode speed */
1059 tty_encode_baud_rate(tty, baud, baud);
1060
1061 dbg("%s - port %d, baud %d", __func__, port->number, baud);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001062 usb_clear_halt(serial->dev, port->write_urb->pipe);
1063 usb_clear_halt(serial->dev, port->read_urb->pipe);
1064
1065 buf = kmalloc(10, GFP_KERNEL);
1066 if (buf == NULL)
1067 return -ENOMEM;
1068
Alan Coxfe1ae7f2009-09-19 13:13:33 -07001069 priv->poll = 0;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001070
1071 /* initialize writebuf */
1072#define FISH(a, b, c, d) do { \
1073 result = usb_control_msg(port->serial->dev, \
1074 usb_rcvctrlpipe(port->serial->dev, 0), \
1075 b, a, c, d, buf, 1, 1000); \
1076 dbg("0x%x:0x%x:0x%x:0x%x %d - %x", a, b, c, d, result, \
1077 buf[0]); } while (0);
1078
1079#define SOUP(a, b, c, d) do { \
1080 result = usb_control_msg(port->serial->dev, \
1081 usb_sndctrlpipe(port->serial->dev, 0), \
1082 b, a, c, d, NULL, 0, 1000); \
1083 dbg("0x%x:0x%x:0x%x:0x%x %d", a, b, c, d, result); } while (0)
1084
1085 /* This is not UART related but IUU USB driver related or something */
1086 /* like that. Basically no IUU will accept any commands from the USB */
1087 /* host unless it has received the following message */
1088 /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */
1089
1090 SOUP(0x03, 0x02, 0x02, 0x0);
1091 kfree(buf);
1092 iuu_led(port, 0xF000, 0xF000, 0, 0xFF);
1093 iuu_uart_on(port);
1094 if (boost < 100)
1095 boost = 100;
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001096 priv->boost = boost;
1097 priv->baud = baud;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001098 switch (clockmode) {
1099 case 2: /* 3.680 Mhz */
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001100 priv->clk = IUU_CLK_3680000;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001101 iuu_clk(port, IUU_CLK_3680000 * boost / 100);
1102 result =
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001103 iuu_uart_baud(port, baud * boost / 100, &actual,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001104 IUU_PARITY_EVEN);
1105 break;
1106 case 3: /* 6.00 Mhz */
1107 iuu_clk(port, IUU_CLK_6000000 * boost / 100);
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001108 priv->clk = IUU_CLK_6000000;
1109 /* Ratio of 6000000 to 3500000 for baud 9600 */
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001110 result =
1111 iuu_uart_baud(port, 16457 * boost / 100, &actual,
1112 IUU_PARITY_EVEN);
1113 break;
1114 default: /* 3.579 Mhz */
1115 iuu_clk(port, IUU_CLK_3579000 * boost / 100);
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001116 priv->clk = IUU_CLK_3579000;
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001117 result =
James Courtier-Dutton89b54392010-05-21 11:53:25 +01001118 iuu_uart_baud(port, baud * boost / 100, &actual,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001119 IUU_PARITY_EVEN);
1120 }
1121
1122 /* set the cardin cardout signals */
1123 switch (cdmode) {
1124 case 0:
1125 iuu_cardin = 0;
1126 iuu_cardout = 0;
1127 break;
1128 case 1:
1129 iuu_cardin = TIOCM_CD;
1130 iuu_cardout = 0;
1131 break;
1132 case 2:
1133 iuu_cardin = 0;
1134 iuu_cardout = TIOCM_CD;
1135 break;
1136 case 3:
1137 iuu_cardin = TIOCM_DSR;
1138 iuu_cardout = 0;
1139 break;
1140 case 4:
1141 iuu_cardin = 0;
1142 iuu_cardout = TIOCM_DSR;
1143 break;
1144 case 5:
1145 iuu_cardin = TIOCM_CTS;
1146 iuu_cardout = 0;
1147 break;
1148 case 6:
1149 iuu_cardin = 0;
1150 iuu_cardout = TIOCM_CTS;
1151 break;
1152 case 7:
1153 iuu_cardin = TIOCM_RNG;
1154 iuu_cardout = 0;
1155 break;
1156 case 8:
1157 iuu_cardin = 0;
1158 iuu_cardout = TIOCM_RNG;
1159 }
1160
1161 iuu_uart_flush(port);
1162
Harvey Harrison441b62c2008-03-03 16:08:34 -08001163 dbg("%s - initialization done", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001164
1165 memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
1166 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
1167 usb_sndbulkpipe(port->serial->dev,
1168 port->bulk_out_endpointAddress),
1169 port->write_urb->transfer_buffer, 1,
1170 read_rxcmd_callback, port);
1171 result = usb_submit_urb(port->write_urb, GFP_KERNEL);
1172
1173 if (result) {
1174 dev_err(&port->dev, "%s - failed submitting read urb,"
Harvey Harrison441b62c2008-03-03 16:08:34 -08001175 " error %d\n", __func__, result);
Alan Cox335f8512009-06-11 12:26:29 +01001176 iuu_close(port);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001177 return -EPROTO;
1178 } else {
Harvey Harrison441b62c2008-03-03 16:08:34 -08001179 dbg("%s - rxcmd OK", __func__);
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001180 }
1181 return result;
1182}
1183
Olivier Bornet20eda942009-08-18 21:05:55 +02001184/* how to change VCC */
1185static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc)
1186{
1187 int status;
1188 u8 *buf;
1189
1190 buf = kmalloc(5, GFP_KERNEL);
1191 if (!buf)
1192 return -ENOMEM;
1193
1194 dbg("%s - enter", __func__);
1195
1196 buf[0] = IUU_SET_VCC;
1197 buf[1] = vcc & 0xFF;
1198 buf[2] = (vcc >> 8) & 0xFF;
1199 buf[3] = (vcc >> 16) & 0xFF;
1200 buf[4] = (vcc >> 24) & 0xFF;
1201
1202 status = bulk_immediate(port, buf, 5);
1203 kfree(buf);
1204
1205 if (status != IUU_OPERATION_OK)
1206 dbg("%s - vcc error status = %2x", __func__, status);
1207 else
1208 dbg("%s - vcc OK !", __func__);
1209
1210 return status;
1211}
1212
1213/*
1214 * Sysfs Attributes
1215 */
1216
1217static ssize_t show_vcc_mode(struct device *dev,
1218 struct device_attribute *attr, char *buf)
1219{
1220 struct usb_serial_port *port = to_usb_serial_port(dev);
1221 struct iuu_private *priv = usb_get_serial_port_data(port);
1222
1223 return sprintf(buf, "%d\n", priv->vcc);
1224}
1225
1226static ssize_t store_vcc_mode(struct device *dev,
1227 struct device_attribute *attr, const char *buf, size_t count)
1228{
1229 struct usb_serial_port *port = to_usb_serial_port(dev);
1230 struct iuu_private *priv = usb_get_serial_port_data(port);
1231 unsigned long v;
1232
1233 if (strict_strtoul(buf, 10, &v)) {
1234 dev_err(dev, "%s - vcc_mode: %s is not a unsigned long\n",
1235 __func__, buf);
1236 goto fail_store_vcc_mode;
1237 }
1238
1239 dbg("%s: setting vcc_mode = %ld", __func__, v);
1240
1241 if ((v != 3) && (v != 5)) {
1242 dev_err(dev, "%s - vcc_mode %ld is invalid\n", __func__, v);
1243 } else {
1244 iuu_vcc_set(port, v);
1245 priv->vcc = v;
1246 }
1247fail_store_vcc_mode:
1248 return count;
1249}
1250
1251static DEVICE_ATTR(vcc_mode, S_IRUSR | S_IWUSR, show_vcc_mode,
1252 store_vcc_mode);
1253
1254static int iuu_create_sysfs_attrs(struct usb_serial_port *port)
1255{
1256 dbg("%s", __func__);
1257
1258 return device_create_file(&port->dev, &dev_attr_vcc_mode);
1259}
1260
1261static int iuu_remove_sysfs_attrs(struct usb_serial_port *port)
1262{
1263 dbg("%s", __func__);
1264
1265 device_remove_file(&port->dev, &dev_attr_vcc_mode);
1266 return 0;
1267}
1268
1269/*
1270 * End Sysfs Attributes
1271 */
1272
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001273static struct usb_serial_driver iuu_device = {
1274 .driver = {
1275 .owner = THIS_MODULE,
1276 .name = "iuu_phoenix",
1277 },
1278 .id_table = id_table,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001279 .num_ports = 1,
Johan Hovoldbbcb2b92010-03-17 23:00:37 +01001280 .bulk_in_size = 512,
1281 .bulk_out_size = 512,
Olivier Bornet20eda942009-08-18 21:05:55 +02001282 .port_probe = iuu_create_sysfs_attrs,
1283 .port_remove = iuu_remove_sysfs_attrs,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001284 .open = iuu_open,
1285 .close = iuu_close,
1286 .write = iuu_uart_write,
1287 .read_bulk_callback = iuu_uart_read_callback,
1288 .tiocmget = iuu_tiocmget,
1289 .tiocmset = iuu_tiocmset,
Olivier Bornet96dab772009-06-11 12:54:20 +01001290 .set_termios = iuu_set_termios,
Alan Coxfe1ae7f2009-09-19 13:13:33 -07001291 .init_termios = iuu_init_termios,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001292 .attach = iuu_startup,
Alan Sternf9c99bb2009-06-02 11:53:55 -04001293 .release = iuu_release,
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001294};
1295
1296static int __init iuu_init(void)
1297{
1298 int retval;
1299 retval = usb_serial_register(&iuu_device);
1300 if (retval)
1301 goto failed_usb_serial_register;
1302 retval = usb_register(&iuu_driver);
1303 if (retval)
1304 goto failed_usb_register;
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -07001305 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
1306 DRIVER_DESC "\n");
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001307 return 0;
1308failed_usb_register:
1309 usb_serial_deregister(&iuu_device);
1310failed_usb_serial_register:
1311 return retval;
1312}
1313
1314static void __exit iuu_exit(void)
1315{
1316 usb_deregister(&iuu_driver);
1317 usb_serial_deregister(&iuu_device);
1318}
1319
1320module_init(iuu_init);
1321module_exit(iuu_exit);
1322
1323MODULE_AUTHOR("Alain Degreffe eczema@ecze.com");
1324
1325MODULE_DESCRIPTION(DRIVER_DESC);
1326MODULE_LICENSE("GPL");
1327
1328MODULE_VERSION(DRIVER_VERSION);
1329module_param(debug, bool, S_IRUGO | S_IWUSR);
1330MODULE_PARM_DESC(debug, "Debug enabled or not");
1331
1332module_param(xmas, bool, S_IRUGO | S_IWUSR);
Olivier Bornet8844a322009-08-18 21:05:54 +02001333MODULE_PARM_DESC(xmas, "Xmas colors enabled or not");
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001334
1335module_param(boost, int, S_IRUGO | S_IWUSR);
Olivier Bornet8844a322009-08-18 21:05:54 +02001336MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)");
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001337
1338module_param(clockmode, int, S_IRUGO | S_IWUSR);
Olivier Bornet8844a322009-08-18 21:05:54 +02001339MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, "
1340 "3=6 Mhz)");
Alain Degreffe60a8fc02007-10-26 13:51:49 +02001341
1342module_param(cdmode, int, S_IRUGO | S_IWUSR);
Olivier Bornet8844a322009-08-18 21:05:54 +02001343MODULE_PARM_DESC(cdmode, "Card detect mode (0=none, 1=CD, 2=!CD, 3=DSR, "
1344 "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING)");
Olivier Bornete55c6d02009-08-18 21:05:57 +02001345
1346module_param(vcc_default, int, S_IRUGO | S_IWUSR);
1347MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 "
1348 "for 5V). Default to 5.");