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60a8fc01 AD |
1 | /* |
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 | |
35 | static int debug = 1; | |
36 | #else | |
37 | static int debug; | |
38 | #endif | |
39 | ||
40 | /* | |
41 | * Version Information | |
42 | */ | |
02b18066 | 43 | #define DRIVER_VERSION "v0.11" |
60a8fc01 AD |
44 | #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver" |
45 | ||
46 | static struct usb_device_id id_table[] = { | |
47 | {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)}, | |
48 | {} /* Terminating entry */ | |
49 | }; | |
50 | MODULE_DEVICE_TABLE(usb, id_table); | |
51 | ||
52 | static 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 */ | |
61 | static int boost = 100; | |
62 | static int clockmode = 1; | |
63 | static int cdmode = 1; | |
64 | static int iuu_cardin; | |
65 | static int iuu_cardout; | |
66 | static int xmas; | |
e55c6d06 | 67 | static int vcc_default = 5; |
60a8fc01 AD |
68 | |
69 | static void read_rxcmd_callback(struct urb *urb); | |
70 | ||
71 | struct iuu_private { | |
72 | spinlock_t lock; /* store irq state */ | |
73 | wait_queue_head_t delta_msr_wait; | |
60a8fc01 | 74 | u8 line_status; |
60a8fc01 AD |
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; | |
20eda943 | 83 | int vcc; /* vcc (either 3 or 5 V) */ |
60a8fc01 AD |
84 | }; |
85 | ||
86 | ||
87 | static void iuu_free_buf(struct iuu_private *priv) | |
88 | { | |
89 | kfree(priv->buf); | |
90 | kfree(priv->dbgbuf); | |
91 | kfree(priv->writebuf); | |
92 | } | |
93 | ||
94 | static int iuu_alloc_buf(struct iuu_private *priv) | |
95 | { | |
96 | priv->buf = kzalloc(256, GFP_KERNEL); | |
97 | priv->dbgbuf = kzalloc(256, GFP_KERNEL); | |
98 | priv->writebuf = kzalloc(256, GFP_KERNEL); | |
99 | if (!priv->buf || !priv->dbgbuf || !priv->writebuf) { | |
100 | iuu_free_buf(priv); | |
441b62c1 | 101 | dbg("%s problem allocation buffer", __func__); |
60a8fc01 AD |
102 | return -ENOMEM; |
103 | } | |
441b62c1 | 104 | dbg("%s - Privates buffers allocation success", __func__); |
60a8fc01 AD |
105 | return 0; |
106 | } | |
107 | ||
108 | static int iuu_startup(struct usb_serial *serial) | |
109 | { | |
110 | struct iuu_private *priv; | |
111 | priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL); | |
441b62c1 | 112 | dbg("%s- priv allocation success", __func__); |
60a8fc01 AD |
113 | if (!priv) |
114 | return -ENOMEM; | |
115 | if (iuu_alloc_buf(priv)) { | |
116 | kfree(priv); | |
117 | return -ENOMEM; | |
118 | } | |
e55c6d06 | 119 | priv->vcc = vcc_default; |
60a8fc01 AD |
120 | spin_lock_init(&priv->lock); |
121 | init_waitqueue_head(&priv->delta_msr_wait); | |
122 | usb_set_serial_port_data(serial->port[0], priv); | |
123 | return 0; | |
124 | } | |
125 | ||
f9c99bb8 AS |
126 | /* Release function */ |
127 | static void iuu_release(struct usb_serial *serial) | |
60a8fc01 AD |
128 | { |
129 | struct usb_serial_port *port = serial->port[0]; | |
130 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
131 | if (!port) | |
132 | return; | |
133 | ||
441b62c1 | 134 | dbg("%s", __func__); |
60a8fc01 AD |
135 | |
136 | if (priv) { | |
137 | iuu_free_buf(priv); | |
441b62c1 | 138 | dbg("%s - I will free all", __func__); |
60a8fc01 AD |
139 | usb_set_serial_port_data(port, NULL); |
140 | ||
441b62c1 | 141 | dbg("%s - priv is not anymore in port structure", __func__); |
60a8fc01 AD |
142 | kfree(priv); |
143 | ||
441b62c1 | 144 | dbg("%s priv is now kfree", __func__); |
60a8fc01 AD |
145 | } |
146 | } | |
147 | ||
95da310e | 148 | static int iuu_tiocmset(struct tty_struct *tty, struct file *file, |
60a8fc01 AD |
149 | unsigned int set, unsigned int clear) |
150 | { | |
95da310e | 151 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 152 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc | 153 | unsigned long flags; |
60a8fc01 | 154 | |
7b1fc8bc | 155 | /* FIXME: locking on tiomstatus */ |
441b62c1 | 156 | dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__, |
60a8fc01 | 157 | port->number, set, clear); |
7b1fc8bc AC |
158 | |
159 | spin_lock_irqsave(&priv->lock, flags); | |
60a8fc01 AD |
160 | if (set & TIOCM_RTS) |
161 | priv->tiostatus = TIOCM_RTS; | |
162 | ||
163 | if (!(set & TIOCM_RTS) && priv->tiostatus == TIOCM_RTS) { | |
441b62c1 | 164 | dbg("%s TIOCMSET RESET called !!!", __func__); |
60a8fc01 | 165 | priv->reset = 1; |
60a8fc01 | 166 | } |
7b1fc8bc | 167 | spin_unlock_irqrestore(&priv->lock, flags); |
60a8fc01 AD |
168 | return 0; |
169 | } | |
170 | ||
171 | /* This is used to provide a carrier detect mechanism | |
172 | * When a card is present, the response is 0x00 | |
173 | * When no card , the reader respond with TIOCM_CD | |
174 | * This is known as CD autodetect mechanism | |
175 | */ | |
95da310e | 176 | static int iuu_tiocmget(struct tty_struct *tty, struct file *file) |
60a8fc01 | 177 | { |
95da310e | 178 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 179 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc AC |
180 | unsigned long flags; |
181 | int rc; | |
182 | ||
183 | spin_lock_irqsave(&priv->lock, flags); | |
184 | rc = priv->tiostatus; | |
185 | spin_unlock_irqrestore(&priv->lock, flags); | |
186 | ||
187 | return rc; | |
60a8fc01 AD |
188 | } |
189 | ||
190 | static void iuu_rxcmd(struct urb *urb) | |
191 | { | |
cdc97792 | 192 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 193 | int result; |
50de36f7 GKH |
194 | int status = urb->status; |
195 | ||
441b62c1 | 196 | dbg("%s - enter", __func__); |
60a8fc01 | 197 | |
50de36f7 GKH |
198 | if (status) { |
199 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
200 | /* error stop all */ |
201 | return; | |
202 | } | |
203 | ||
204 | ||
205 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); | |
206 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
207 | usb_sndbulkpipe(port->serial->dev, | |
208 | port->bulk_out_endpointAddress), | |
209 | port->write_urb->transfer_buffer, 1, | |
210 | read_rxcmd_callback, port); | |
211 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
212 | } | |
213 | ||
214 | static int iuu_reset(struct usb_serial_port *port, u8 wt) | |
215 | { | |
216 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
217 | int result; | |
218 | char *buf_ptr = port->write_urb->transfer_buffer; | |
441b62c1 | 219 | dbg("%s - enter", __func__); |
60a8fc01 AD |
220 | |
221 | /* Prepare the reset sequence */ | |
222 | ||
223 | *buf_ptr++ = IUU_RST_SET; | |
224 | *buf_ptr++ = IUU_DELAY_MS; | |
225 | *buf_ptr++ = wt; | |
226 | *buf_ptr = IUU_RST_CLEAR; | |
227 | ||
228 | /* send the sequence */ | |
229 | ||
230 | usb_fill_bulk_urb(port->write_urb, | |
231 | port->serial->dev, | |
232 | usb_sndbulkpipe(port->serial->dev, | |
233 | port->bulk_out_endpointAddress), | |
234 | port->write_urb->transfer_buffer, 4, iuu_rxcmd, port); | |
235 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
236 | priv->reset = 0; | |
237 | return result; | |
238 | } | |
239 | ||
240 | /* Status Function | |
241 | * Return value is | |
242 | * 0x00 = no card | |
243 | * 0x01 = smartcard | |
244 | * 0x02 = sim card | |
245 | */ | |
246 | static void iuu_update_status_callback(struct urb *urb) | |
247 | { | |
cdc97792 | 248 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
249 | struct iuu_private *priv = usb_get_serial_port_data(port); |
250 | u8 *st; | |
50de36f7 GKH |
251 | int status = urb->status; |
252 | ||
441b62c1 | 253 | dbg("%s - enter", __func__); |
60a8fc01 | 254 | |
50de36f7 GKH |
255 | if (status) { |
256 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
257 | /* error stop all */ |
258 | return; | |
259 | } | |
260 | ||
261 | st = urb->transfer_buffer; | |
441b62c1 | 262 | dbg("%s - enter", __func__); |
60a8fc01 AD |
263 | if (urb->actual_length == 1) { |
264 | switch (st[0]) { | |
265 | case 0x1: | |
266 | priv->tiostatus = iuu_cardout; | |
267 | break; | |
268 | case 0x0: | |
269 | priv->tiostatus = iuu_cardin; | |
270 | break; | |
271 | default: | |
272 | priv->tiostatus = iuu_cardin; | |
273 | } | |
274 | } | |
275 | iuu_rxcmd(urb); | |
276 | } | |
277 | ||
278 | static void iuu_status_callback(struct urb *urb) | |
279 | { | |
cdc97792 | 280 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 281 | int result; |
50de36f7 | 282 | int status = urb->status; |
60a8fc01 | 283 | |
50de36f7 | 284 | dbg("%s - status = %d", __func__, status); |
60a8fc01 AD |
285 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
286 | usb_rcvbulkpipe(port->serial->dev, | |
287 | port->bulk_in_endpointAddress), | |
288 | port->read_urb->transfer_buffer, 256, | |
289 | iuu_update_status_callback, port); | |
290 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
291 | } | |
292 | ||
293 | static int iuu_status(struct usb_serial_port *port) | |
294 | { | |
295 | int result; | |
296 | ||
441b62c1 | 297 | dbg("%s - enter", __func__); |
60a8fc01 AD |
298 | |
299 | memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1); | |
300 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
301 | usb_sndbulkpipe(port->serial->dev, | |
302 | port->bulk_out_endpointAddress), | |
303 | port->write_urb->transfer_buffer, 1, | |
304 | iuu_status_callback, port); | |
305 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
306 | return result; | |
307 | ||
308 | } | |
309 | ||
310 | static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count) | |
311 | { | |
312 | int status; | |
313 | struct usb_serial *serial = port->serial; | |
314 | int actual = 0; | |
315 | ||
441b62c1 | 316 | dbg("%s - enter", __func__); |
60a8fc01 AD |
317 | |
318 | /* send the data out the bulk port */ | |
319 | ||
320 | status = | |
321 | usb_bulk_msg(serial->dev, | |
322 | usb_sndbulkpipe(serial->dev, | |
323 | port->bulk_out_endpointAddress), buf, | |
324 | count, &actual, HZ * 1); | |
325 | ||
9e8e2d2a | 326 | if (status != IUU_OPERATION_OK) |
441b62c1 | 327 | dbg("%s - error = %2x", __func__, status); |
9e8e2d2a | 328 | else |
441b62c1 | 329 | dbg("%s - write OK !", __func__); |
60a8fc01 AD |
330 | return status; |
331 | } | |
332 | ||
333 | static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count) | |
334 | { | |
335 | int status; | |
336 | struct usb_serial *serial = port->serial; | |
337 | int actual = 0; | |
338 | ||
441b62c1 | 339 | dbg("%s - enter", __func__); |
60a8fc01 AD |
340 | |
341 | /* send the data out the bulk port */ | |
342 | ||
343 | status = | |
344 | usb_bulk_msg(serial->dev, | |
345 | usb_rcvbulkpipe(serial->dev, | |
346 | port->bulk_in_endpointAddress), buf, | |
347 | count, &actual, HZ * 1); | |
348 | ||
9e8e2d2a | 349 | if (status != IUU_OPERATION_OK) |
441b62c1 | 350 | dbg("%s - error = %2x", __func__, status); |
9e8e2d2a | 351 | else |
441b62c1 | 352 | dbg("%s - read OK !", __func__); |
60a8fc01 AD |
353 | return status; |
354 | } | |
355 | ||
356 | static int iuu_led(struct usb_serial_port *port, unsigned int R, | |
357 | unsigned int G, unsigned int B, u8 f) | |
358 | { | |
359 | int status; | |
360 | u8 *buf; | |
361 | buf = kmalloc(8, GFP_KERNEL); | |
362 | if (!buf) | |
363 | return -ENOMEM; | |
364 | ||
441b62c1 | 365 | dbg("%s - enter", __func__); |
60a8fc01 AD |
366 | |
367 | buf[0] = IUU_SET_LED; | |
368 | buf[1] = R & 0xFF; | |
369 | buf[2] = (R >> 8) & 0xFF; | |
370 | buf[3] = G & 0xFF; | |
371 | buf[4] = (G >> 8) & 0xFF; | |
372 | buf[5] = B & 0xFF; | |
373 | buf[6] = (B >> 8) & 0xFF; | |
374 | buf[7] = f; | |
375 | status = bulk_immediate(port, buf, 8); | |
376 | kfree(buf); | |
377 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 378 | dbg("%s - led error status = %2x", __func__, status); |
60a8fc01 | 379 | else |
441b62c1 | 380 | dbg("%s - led OK !", __func__); |
60a8fc01 AD |
381 | return IUU_OPERATION_OK; |
382 | } | |
383 | ||
384 | static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1, | |
385 | u8 b2, u8 freq) | |
386 | { | |
387 | *buf++ = IUU_SET_LED; | |
388 | *buf++ = r1; | |
389 | *buf++ = r2; | |
390 | *buf++ = g1; | |
391 | *buf++ = g2; | |
392 | *buf++ = b1; | |
393 | *buf++ = b2; | |
394 | *buf = freq; | |
395 | } | |
396 | ||
397 | static void iuu_led_activity_on(struct urb *urb) | |
398 | { | |
cdc97792 | 399 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
400 | int result; |
401 | char *buf_ptr = port->write_urb->transfer_buffer; | |
402 | *buf_ptr++ = IUU_SET_LED; | |
403 | if (xmas == 1) { | |
404 | get_random_bytes(buf_ptr, 6); | |
405 | *(buf_ptr+7) = 1; | |
406 | } else { | |
407 | iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255); | |
408 | } | |
409 | ||
410 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
411 | usb_sndbulkpipe(port->serial->dev, | |
412 | port->bulk_out_endpointAddress), | |
413 | port->write_urb->transfer_buffer, 8 , | |
414 | iuu_rxcmd, port); | |
415 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
416 | } | |
417 | ||
418 | static void iuu_led_activity_off(struct urb *urb) | |
419 | { | |
cdc97792 | 420 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
421 | int result; |
422 | char *buf_ptr = port->write_urb->transfer_buffer; | |
423 | if (xmas == 1) { | |
424 | iuu_rxcmd(urb); | |
425 | return; | |
426 | } else { | |
427 | *buf_ptr++ = IUU_SET_LED; | |
428 | iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255); | |
429 | } | |
430 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
431 | usb_sndbulkpipe(port->serial->dev, | |
432 | port->bulk_out_endpointAddress), | |
433 | port->write_urb->transfer_buffer, 8 , | |
434 | iuu_rxcmd, port); | |
435 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
436 | } | |
437 | ||
438 | ||
439 | ||
440 | static int iuu_clk(struct usb_serial_port *port, int dwFrq) | |
441 | { | |
442 | int status; | |
443 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
444 | int Count = 0; | |
445 | u8 FrqGenAdr = 0x69; | |
446 | u8 DIV = 0; /* 8bit */ | |
447 | u8 XDRV = 0; /* 8bit */ | |
448 | u8 PUMP = 0; /* 3bit */ | |
449 | u8 PBmsb = 0; /* 2bit */ | |
450 | u8 PBlsb = 0; /* 8bit */ | |
451 | u8 PO = 0; /* 1bit */ | |
452 | u8 Q = 0; /* 7bit */ | |
453 | /* 24bit = 3bytes */ | |
454 | unsigned int P = 0; | |
455 | unsigned int P2 = 0; | |
456 | int frq = (int)dwFrq; | |
457 | ||
441b62c1 | 458 | dbg("%s - enter", __func__); |
60a8fc01 AD |
459 | |
460 | if (frq == 0) { | |
461 | priv->buf[Count++] = IUU_UART_WRITE_I2C; | |
462 | priv->buf[Count++] = FrqGenAdr << 1; | |
463 | priv->buf[Count++] = 0x09; | |
464 | priv->buf[Count++] = 0x00; | |
465 | ||
466 | status = bulk_immediate(port, (u8 *) priv->buf, Count); | |
467 | if (status != 0) { | |
441b62c1 | 468 | dbg("%s - write error ", __func__); |
60a8fc01 AD |
469 | return status; |
470 | } | |
471 | } else if (frq == 3579000) { | |
472 | DIV = 100; | |
473 | P = 1193; | |
474 | Q = 40; | |
475 | XDRV = 0; | |
476 | } else if (frq == 3680000) { | |
477 | DIV = 105; | |
478 | P = 161; | |
479 | Q = 5; | |
480 | XDRV = 0; | |
481 | } else if (frq == 6000000) { | |
482 | DIV = 66; | |
483 | P = 66; | |
484 | Q = 2; | |
485 | XDRV = 0x28; | |
486 | } else { | |
487 | unsigned int result = 0; | |
488 | unsigned int tmp = 0; | |
489 | unsigned int check; | |
490 | unsigned int check2; | |
491 | char found = 0x00; | |
492 | unsigned int lQ = 2; | |
493 | unsigned int lP = 2055; | |
494 | unsigned int lDiv = 4; | |
495 | ||
496 | for (lQ = 2; lQ <= 47 && !found; lQ++) | |
497 | for (lP = 2055; lP >= 8 && !found; lP--) | |
498 | for (lDiv = 4; lDiv <= 127 && !found; lDiv++) { | |
499 | tmp = (12000000 / lDiv) * (lP / lQ); | |
500 | if (abs((int)(tmp - frq)) < | |
501 | abs((int)(frq - result))) { | |
502 | check2 = (12000000 / lQ); | |
503 | if (check2 < 250000) | |
504 | continue; | |
505 | check = (12000000 / lQ) * lP; | |
506 | if (check > 400000000) | |
507 | continue; | |
508 | if (check < 100000000) | |
509 | continue; | |
510 | if (lDiv < 4 || lDiv > 127) | |
511 | continue; | |
512 | result = tmp; | |
513 | P = lP; | |
514 | DIV = lDiv; | |
515 | Q = lQ; | |
516 | if (result == frq) | |
517 | found = 0x01; | |
518 | } | |
519 | } | |
520 | } | |
521 | P2 = ((P - PO) / 2) - 4; | |
522 | DIV = DIV; | |
523 | PUMP = 0x04; | |
524 | PBmsb = (P2 >> 8 & 0x03); | |
525 | PBlsb = P2 & 0xFF; | |
526 | PO = (P >> 10) & 0x01; | |
527 | Q = Q - 2; | |
528 | ||
529 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
530 | priv->buf[Count++] = FrqGenAdr << 1; | |
531 | priv->buf[Count++] = 0x09; | |
532 | priv->buf[Count++] = 0x20; /* Adr = 0x09 */ | |
533 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
534 | priv->buf[Count++] = FrqGenAdr << 1; | |
535 | priv->buf[Count++] = 0x0C; | |
536 | priv->buf[Count++] = DIV; /* Adr = 0x0C */ | |
537 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
538 | priv->buf[Count++] = FrqGenAdr << 1; | |
539 | priv->buf[Count++] = 0x12; | |
540 | priv->buf[Count++] = XDRV; /* Adr = 0x12 */ | |
541 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
542 | priv->buf[Count++] = FrqGenAdr << 1; | |
543 | priv->buf[Count++] = 0x13; | |
544 | priv->buf[Count++] = 0x6B; /* Adr = 0x13 */ | |
545 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
546 | priv->buf[Count++] = FrqGenAdr << 1; | |
547 | priv->buf[Count++] = 0x40; | |
548 | priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) | | |
549 | (PBmsb & 0x03); /* Adr = 0x40 */ | |
550 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
551 | priv->buf[Count++] = FrqGenAdr << 1; | |
552 | priv->buf[Count++] = 0x41; | |
553 | priv->buf[Count++] = PBlsb; /* Adr = 0x41 */ | |
554 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
555 | priv->buf[Count++] = FrqGenAdr << 1; | |
556 | priv->buf[Count++] = 0x42; | |
557 | priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */ | |
558 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
559 | priv->buf[Count++] = FrqGenAdr << 1; | |
560 | priv->buf[Count++] = 0x44; | |
561 | priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */ | |
562 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
563 | priv->buf[Count++] = FrqGenAdr << 1; | |
564 | priv->buf[Count++] = 0x45; | |
565 | priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */ | |
566 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
567 | priv->buf[Count++] = FrqGenAdr << 1; | |
568 | priv->buf[Count++] = 0x46; | |
569 | priv->buf[Count++] = 0x7F; /* Adr = 0x46 */ | |
570 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
571 | priv->buf[Count++] = FrqGenAdr << 1; | |
572 | priv->buf[Count++] = 0x47; | |
573 | priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */ | |
574 | ||
575 | status = bulk_immediate(port, (u8 *) priv->buf, Count); | |
576 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 577 | dbg("%s - write error ", __func__); |
60a8fc01 AD |
578 | return status; |
579 | } | |
580 | ||
581 | static int iuu_uart_flush(struct usb_serial_port *port) | |
582 | { | |
583 | int i; | |
584 | int status; | |
585 | u8 rxcmd = IUU_UART_RX; | |
586 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
587 | ||
441b62c1 | 588 | dbg("%s - enter", __func__); |
60a8fc01 AD |
589 | |
590 | if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0) | |
591 | return -EIO; | |
592 | ||
593 | for (i = 0; i < 2; i++) { | |
594 | status = bulk_immediate(port, &rxcmd, 1); | |
595 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 596 | dbg("%s - uart_flush_write error", __func__); |
60a8fc01 AD |
597 | return status; |
598 | } | |
599 | ||
600 | status = read_immediate(port, &priv->len, 1); | |
601 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 602 | dbg("%s - uart_flush_read error", __func__); |
60a8fc01 AD |
603 | return status; |
604 | } | |
605 | ||
606 | if (priv->len > 0) { | |
441b62c1 | 607 | dbg("%s - uart_flush datalen is : %i ", __func__, |
60a8fc01 AD |
608 | priv->len); |
609 | status = read_immediate(port, priv->buf, priv->len); | |
610 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 611 | dbg("%s - uart_flush_read error", __func__); |
60a8fc01 AD |
612 | return status; |
613 | } | |
614 | } | |
615 | } | |
441b62c1 | 616 | dbg("%s - uart_flush_read OK!", __func__); |
60a8fc01 AD |
617 | iuu_led(port, 0, 0xF000, 0, 0xFF); |
618 | return status; | |
619 | } | |
620 | ||
621 | static void read_buf_callback(struct urb *urb) | |
622 | { | |
cdc97792 | 623 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
624 | unsigned char *data = urb->transfer_buffer; |
625 | struct tty_struct *tty; | |
50de36f7 | 626 | int status = urb->status; |
60a8fc01 | 627 | |
50de36f7 GKH |
628 | dbg("%s - status = %d", __func__, status); |
629 | ||
630 | if (status) { | |
631 | if (status == -EPROTO) { | |
60a8fc01 AD |
632 | /* reschedule needed */ |
633 | } | |
634 | return; | |
635 | } | |
636 | ||
441b62c1 | 637 | dbg("%s - %i chars to write", __func__, urb->actual_length); |
4a90f09b | 638 | tty = tty_port_tty_get(&port->port); |
60a8fc01 | 639 | if (data == NULL) |
441b62c1 | 640 | dbg("%s - data is NULL !!!", __func__); |
60a8fc01 AD |
641 | if (tty && urb->actual_length && data) { |
642 | tty_insert_flip_string(tty, data, urb->actual_length); | |
643 | tty_flip_buffer_push(tty); | |
644 | } | |
4a90f09b | 645 | tty_kref_put(tty); |
60a8fc01 AD |
646 | iuu_led_activity_on(urb); |
647 | } | |
648 | ||
649 | static int iuu_bulk_write(struct usb_serial_port *port) | |
650 | { | |
651 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 652 | unsigned long flags; |
60a8fc01 AD |
653 | int result; |
654 | int i; | |
5fcf62b0 | 655 | int buf_len; |
60a8fc01 | 656 | char *buf_ptr = port->write_urb->transfer_buffer; |
441b62c1 | 657 | dbg("%s - enter", __func__); |
60a8fc01 | 658 | |
5fcf62b0 | 659 | spin_lock_irqsave(&priv->lock, flags); |
60a8fc01 AD |
660 | *buf_ptr++ = IUU_UART_ESC; |
661 | *buf_ptr++ = IUU_UART_TX; | |
662 | *buf_ptr++ = priv->writelen; | |
663 | ||
5fcf62b0 OB |
664 | memcpy(buf_ptr, priv->writebuf, priv->writelen); |
665 | buf_len = priv->writelen; | |
666 | priv->writelen = 0; | |
667 | spin_unlock_irqrestore(&priv->lock, flags); | |
60a8fc01 | 668 | if (debug == 1) { |
5fcf62b0 | 669 | for (i = 0; i < buf_len; i++) |
60a8fc01 AD |
670 | sprintf(priv->dbgbuf + i*2 , |
671 | "%02X", priv->writebuf[i]); | |
5fcf62b0 | 672 | priv->dbgbuf[buf_len+i*2] = 0; |
441b62c1 | 673 | dbg("%s - writing %i chars : %s", __func__, |
5fcf62b0 | 674 | buf_len, priv->dbgbuf); |
60a8fc01 AD |
675 | } |
676 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
677 | usb_sndbulkpipe(port->serial->dev, | |
678 | port->bulk_out_endpointAddress), | |
5fcf62b0 | 679 | port->write_urb->transfer_buffer, buf_len + 3, |
60a8fc01 AD |
680 | iuu_rxcmd, port); |
681 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
60a8fc01 AD |
682 | usb_serial_port_softint(port); |
683 | return result; | |
684 | } | |
685 | ||
686 | static int iuu_read_buf(struct usb_serial_port *port, int len) | |
687 | { | |
688 | int result; | |
441b62c1 | 689 | dbg("%s - enter", __func__); |
60a8fc01 AD |
690 | |
691 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
692 | usb_rcvbulkpipe(port->serial->dev, | |
693 | port->bulk_in_endpointAddress), | |
694 | port->read_urb->transfer_buffer, len, | |
695 | read_buf_callback, port); | |
696 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
697 | return result; | |
698 | } | |
699 | ||
700 | static void iuu_uart_read_callback(struct urb *urb) | |
701 | { | |
cdc97792 | 702 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 703 | struct iuu_private *priv = usb_get_serial_port_data(port); |
8594303a | 704 | unsigned long flags; |
50de36f7 | 705 | int status = urb->status; |
60a8fc01 AD |
706 | int error = 0; |
707 | int len = 0; | |
708 | unsigned char *data = urb->transfer_buffer; | |
709 | priv->poll++; | |
710 | ||
441b62c1 | 711 | dbg("%s - enter", __func__); |
60a8fc01 | 712 | |
50de36f7 GKH |
713 | if (status) { |
714 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
715 | /* error stop all */ |
716 | return; | |
717 | } | |
718 | if (data == NULL) | |
441b62c1 | 719 | dbg("%s - data is NULL !!!", __func__); |
60a8fc01 AD |
720 | |
721 | if (urb->actual_length == 1 && data != NULL) | |
722 | len = (int) data[0]; | |
723 | ||
724 | if (urb->actual_length > 1) { | |
441b62c1 | 725 | dbg("%s - urb->actual_length = %i", __func__, |
60a8fc01 AD |
726 | urb->actual_length); |
727 | error = 1; | |
728 | return; | |
729 | } | |
730 | /* if len > 0 call readbuf */ | |
731 | ||
732 | if (len > 0 && error == 0) { | |
733 | dbg("%s - call read buf - len to read is %i ", | |
441b62c1 | 734 | __func__, len); |
60a8fc01 AD |
735 | status = iuu_read_buf(port, len); |
736 | return; | |
737 | } | |
738 | /* need to update status ? */ | |
739 | if (priv->poll > 99) { | |
740 | status = iuu_status(port); | |
741 | priv->poll = 0; | |
742 | return; | |
743 | } | |
744 | ||
745 | /* reset waiting ? */ | |
746 | ||
747 | if (priv->reset == 1) { | |
748 | status = iuu_reset(port, 0xC); | |
749 | return; | |
750 | } | |
751 | /* Writebuf is waiting */ | |
752 | spin_lock_irqsave(&priv->lock, flags); | |
753 | if (priv->writelen > 0) { | |
754 | spin_unlock_irqrestore(&priv->lock, flags); | |
755 | status = iuu_bulk_write(port); | |
756 | return; | |
757 | } | |
758 | spin_unlock_irqrestore(&priv->lock, flags); | |
759 | /* if nothing to write call again rxcmd */ | |
441b62c1 | 760 | dbg("%s - rxcmd recall", __func__); |
60a8fc01 | 761 | iuu_led_activity_off(urb); |
60a8fc01 AD |
762 | } |
763 | ||
95da310e AC |
764 | static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port, |
765 | const u8 *buf, int count) | |
60a8fc01 AD |
766 | { |
767 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 768 | unsigned long flags; |
441b62c1 | 769 | dbg("%s - enter", __func__); |
60a8fc01 AD |
770 | |
771 | if (count > 256) | |
772 | return -ENOMEM; | |
773 | ||
774 | spin_lock_irqsave(&priv->lock, flags); | |
5fcf62b0 | 775 | |
60a8fc01 | 776 | /* fill the buffer */ |
5fcf62b0 OB |
777 | memcpy(priv->writebuf + priv->writelen, buf, count); |
778 | priv->writelen += count; | |
60a8fc01 AD |
779 | spin_unlock_irqrestore(&priv->lock, flags); |
780 | ||
9e8e2d2a | 781 | return count; |
60a8fc01 AD |
782 | } |
783 | ||
784 | static void read_rxcmd_callback(struct urb *urb) | |
785 | { | |
cdc97792 | 786 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 787 | int result; |
50de36f7 | 788 | int status = urb->status; |
60a8fc01 | 789 | |
50de36f7 | 790 | dbg("%s - status = %d", __func__, status); |
60a8fc01 | 791 | |
50de36f7 | 792 | if (status) { |
60a8fc01 AD |
793 | /* error stop all */ |
794 | return; | |
795 | } | |
796 | ||
797 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
798 | usb_rcvbulkpipe(port->serial->dev, | |
799 | port->bulk_in_endpointAddress), | |
800 | port->read_urb->transfer_buffer, 256, | |
801 | iuu_uart_read_callback, port); | |
802 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
441b62c1 | 803 | dbg("%s - submit result = %d", __func__, result); |
60a8fc01 AD |
804 | return; |
805 | } | |
806 | ||
807 | static int iuu_uart_on(struct usb_serial_port *port) | |
808 | { | |
809 | int status; | |
810 | u8 *buf; | |
811 | ||
812 | buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL); | |
813 | ||
814 | if (!buf) | |
815 | return -ENOMEM; | |
816 | ||
817 | buf[0] = IUU_UART_ENABLE; | |
818 | buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF); | |
819 | buf[2] = (u8) (0x00FF & IUU_BAUD_9600); | |
cc3447d1 | 820 | buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN); |
60a8fc01 AD |
821 | |
822 | status = bulk_immediate(port, buf, 4); | |
823 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 824 | dbg("%s - uart_on error", __func__); |
60a8fc01 AD |
825 | goto uart_enable_failed; |
826 | } | |
827 | /* iuu_reset() the card after iuu_uart_on() */ | |
828 | status = iuu_uart_flush(port); | |
829 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 830 | dbg("%s - uart_flush error", __func__); |
60a8fc01 AD |
831 | uart_enable_failed: |
832 | kfree(buf); | |
833 | return status; | |
834 | } | |
835 | ||
836 | /* Diables the IUU UART (a.k.a. the Phoenix voiderface) */ | |
837 | static int iuu_uart_off(struct usb_serial_port *port) | |
838 | { | |
839 | int status; | |
840 | u8 *buf; | |
841 | buf = kmalloc(1, GFP_KERNEL); | |
842 | if (!buf) | |
843 | return -ENOMEM; | |
844 | buf[0] = IUU_UART_DISABLE; | |
845 | ||
846 | status = bulk_immediate(port, buf, 1); | |
847 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 848 | dbg("%s - uart_off error", __func__); |
60a8fc01 AD |
849 | |
850 | kfree(buf); | |
851 | return status; | |
852 | } | |
853 | ||
854 | static int iuu_uart_baud(struct usb_serial_port *port, u32 baud, | |
855 | u32 *actual, u8 parity) | |
856 | { | |
857 | int status; | |
858 | u8 *dataout; | |
859 | u8 DataCount = 0; | |
860 | u8 T1Frekvens = 0; | |
861 | u8 T1reload = 0; | |
862 | unsigned int T1FrekvensHZ = 0; | |
863 | ||
864 | dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL); | |
865 | ||
866 | if (!dataout) | |
867 | return -ENOMEM; | |
868 | ||
869 | if (baud < 1200 || baud > 230400) { | |
870 | kfree(dataout); | |
871 | return IUU_INVALID_PARAMETER; | |
872 | } | |
873 | if (baud > 977) { | |
874 | T1Frekvens = 3; | |
875 | T1FrekvensHZ = 500000; | |
876 | } | |
877 | ||
878 | if (baud > 3906) { | |
879 | T1Frekvens = 2; | |
880 | T1FrekvensHZ = 2000000; | |
881 | } | |
882 | ||
883 | if (baud > 11718) { | |
884 | T1Frekvens = 1; | |
885 | T1FrekvensHZ = 6000000; | |
886 | } | |
887 | ||
888 | if (baud > 46875) { | |
889 | T1Frekvens = 0; | |
890 | T1FrekvensHZ = 24000000; | |
891 | } | |
892 | ||
893 | T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2)); | |
894 | ||
895 | /* magic number here: ENTER_FIRMWARE_UPDATE; */ | |
896 | dataout[DataCount++] = IUU_UART_ESC; | |
897 | /* magic number here: CHANGE_BAUD; */ | |
898 | dataout[DataCount++] = IUU_UART_CHANGE; | |
899 | dataout[DataCount++] = T1Frekvens; | |
900 | dataout[DataCount++] = T1reload; | |
901 | ||
902 | *actual = (T1FrekvensHZ / (256 - T1reload)) / 2; | |
903 | ||
904 | switch (parity & 0x0F) { | |
905 | case IUU_PARITY_NONE: | |
906 | dataout[DataCount++] = 0x00; | |
907 | break; | |
908 | case IUU_PARITY_EVEN: | |
909 | dataout[DataCount++] = 0x01; | |
910 | break; | |
911 | case IUU_PARITY_ODD: | |
912 | dataout[DataCount++] = 0x02; | |
913 | break; | |
914 | case IUU_PARITY_MARK: | |
915 | dataout[DataCount++] = 0x03; | |
916 | break; | |
917 | case IUU_PARITY_SPACE: | |
918 | dataout[DataCount++] = 0x04; | |
919 | break; | |
920 | default: | |
921 | kfree(dataout); | |
922 | return IUU_INVALID_PARAMETER; | |
923 | break; | |
924 | } | |
925 | ||
926 | switch (parity & 0xF0) { | |
927 | case IUU_ONE_STOP_BIT: | |
928 | dataout[DataCount - 1] |= IUU_ONE_STOP_BIT; | |
929 | break; | |
930 | ||
931 | case IUU_TWO_STOP_BITS: | |
932 | dataout[DataCount - 1] |= IUU_TWO_STOP_BITS; | |
933 | break; | |
934 | default: | |
935 | kfree(dataout); | |
936 | return IUU_INVALID_PARAMETER; | |
937 | break; | |
938 | } | |
939 | ||
940 | status = bulk_immediate(port, dataout, DataCount); | |
941 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 942 | dbg("%s - uart_off error", __func__); |
60a8fc01 AD |
943 | kfree(dataout); |
944 | return status; | |
945 | } | |
946 | ||
96dab77e OB |
947 | static void iuu_set_termios(struct tty_struct *tty, |
948 | struct usb_serial_port *port, struct ktermios *old_termios) | |
949 | { | |
950 | const u32 supported_mask = CMSPAR|PARENB|PARODD; | |
951 | ||
952 | unsigned int cflag = tty->termios->c_cflag; | |
953 | int status; | |
954 | u32 actual; | |
955 | u32 parity; | |
956 | int csize = CS7; | |
957 | int baud = 9600; /* Fixed for the moment */ | |
958 | u32 newval = cflag & supported_mask; | |
959 | ||
960 | /* compute the parity parameter */ | |
961 | parity = 0; | |
962 | if (cflag & CMSPAR) { /* Using mark space */ | |
963 | if (cflag & PARODD) | |
964 | parity |= IUU_PARITY_SPACE; | |
965 | else | |
966 | parity |= IUU_PARITY_MARK; | |
967 | } else if (!(cflag & PARENB)) { | |
968 | parity |= IUU_PARITY_NONE; | |
969 | csize = CS8; | |
970 | } else if (cflag & PARODD) | |
971 | parity |= IUU_PARITY_ODD; | |
972 | else | |
973 | parity |= IUU_PARITY_EVEN; | |
974 | ||
975 | parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT); | |
976 | ||
977 | /* set it */ | |
978 | status = iuu_uart_baud(port, | |
979 | (clockmode == 2) ? 16457 : 9600 * boost / 100, | |
980 | &actual, parity); | |
981 | ||
982 | /* set the termios value to the real one, so the user now what has | |
983 | * changed. We support few fields so its easies to copy the old hw | |
984 | * settings back over and then adjust them | |
985 | */ | |
986 | if (old_termios) | |
987 | tty_termios_copy_hw(tty->termios, old_termios); | |
988 | if (status != 0) /* Set failed - return old bits */ | |
989 | return; | |
990 | /* Re-encode speed, parity and csize */ | |
991 | tty_encode_baud_rate(tty, baud, baud); | |
992 | tty->termios->c_cflag &= ~(supported_mask|CSIZE); | |
993 | tty->termios->c_cflag |= newval | csize; | |
994 | } | |
995 | ||
335f8514 | 996 | static void iuu_close(struct usb_serial_port *port) |
60a8fc01 AD |
997 | { |
998 | /* iuu_led (port,255,0,0,0); */ | |
999 | struct usb_serial *serial; | |
60a8fc01 AD |
1000 | |
1001 | serial = port->serial; | |
1002 | if (!serial) | |
1003 | return; | |
1004 | ||
441b62c1 | 1005 | dbg("%s - port %d", __func__, port->number); |
60a8fc01 AD |
1006 | |
1007 | iuu_uart_off(port); | |
1008 | if (serial->dev) { | |
60a8fc01 AD |
1009 | /* free writebuf */ |
1010 | /* shutdown our urbs */ | |
441b62c1 | 1011 | dbg("%s - shutting down urbs", __func__); |
60a8fc01 AD |
1012 | usb_kill_urb(port->write_urb); |
1013 | usb_kill_urb(port->read_urb); | |
1014 | usb_kill_urb(port->interrupt_in_urb); | |
60a8fc01 | 1015 | iuu_led(port, 0, 0, 0xF000, 0xFF); |
60a8fc01 AD |
1016 | } |
1017 | } | |
1018 | ||
fe1ae7fd AC |
1019 | static void iuu_init_termios(struct tty_struct *tty) |
1020 | { | |
1021 | *(tty->termios) = tty_std_termios; | |
1022 | tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600 | |
1023 | | TIOCM_CTS | CSTOPB | PARENB; | |
1024 | tty->termios->c_ispeed = 9600; | |
1025 | tty->termios->c_ospeed = 9600; | |
1026 | tty->termios->c_lflag = 0; | |
1027 | tty->termios->c_oflag = 0; | |
1028 | tty->termios->c_iflag = 0; | |
1029 | } | |
1030 | ||
a509a7e4 | 1031 | static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) |
60a8fc01 AD |
1032 | { |
1033 | struct usb_serial *serial = port->serial; | |
1034 | u8 *buf; | |
1035 | int result; | |
1036 | u32 actual; | |
60a8fc01 AD |
1037 | struct iuu_private *priv = usb_get_serial_port_data(port); |
1038 | ||
441b62c1 | 1039 | dbg("%s - port %d", __func__, port->number); |
60a8fc01 AD |
1040 | usb_clear_halt(serial->dev, port->write_urb->pipe); |
1041 | usb_clear_halt(serial->dev, port->read_urb->pipe); | |
1042 | ||
1043 | buf = kmalloc(10, GFP_KERNEL); | |
1044 | if (buf == NULL) | |
1045 | return -ENOMEM; | |
1046 | ||
1047 | /* fixup the endpoint buffer size */ | |
1048 | kfree(port->bulk_out_buffer); | |
1049 | port->bulk_out_buffer = kmalloc(512, GFP_KERNEL); | |
1050 | port->bulk_out_size = 512; | |
1051 | kfree(port->bulk_in_buffer); | |
1052 | port->bulk_in_buffer = kmalloc(512, GFP_KERNEL); | |
1053 | port->bulk_in_size = 512; | |
1054 | ||
1055 | if (!port->bulk_out_buffer || !port->bulk_in_buffer) { | |
1056 | kfree(port->bulk_out_buffer); | |
1057 | kfree(port->bulk_in_buffer); | |
1058 | kfree(buf); | |
1059 | return -ENOMEM; | |
1060 | } | |
1061 | ||
1062 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
1063 | usb_sndbulkpipe(port->serial->dev, | |
1064 | port->bulk_out_endpointAddress), | |
1065 | port->bulk_out_buffer, 512, | |
1066 | NULL, NULL); | |
1067 | ||
1068 | ||
1069 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
1070 | usb_rcvbulkpipe(port->serial->dev, | |
1071 | port->bulk_in_endpointAddress), | |
1072 | port->bulk_in_buffer, 512, | |
1073 | NULL, NULL); | |
1074 | ||
fe1ae7fd | 1075 | priv->poll = 0; |
60a8fc01 AD |
1076 | |
1077 | /* initialize writebuf */ | |
1078 | #define FISH(a, b, c, d) do { \ | |
1079 | result = usb_control_msg(port->serial->dev, \ | |
1080 | usb_rcvctrlpipe(port->serial->dev, 0), \ | |
1081 | b, a, c, d, buf, 1, 1000); \ | |
1082 | dbg("0x%x:0x%x:0x%x:0x%x %d - %x", a, b, c, d, result, \ | |
1083 | buf[0]); } while (0); | |
1084 | ||
1085 | #define SOUP(a, b, c, d) do { \ | |
1086 | result = usb_control_msg(port->serial->dev, \ | |
1087 | usb_sndctrlpipe(port->serial->dev, 0), \ | |
1088 | b, a, c, d, NULL, 0, 1000); \ | |
1089 | dbg("0x%x:0x%x:0x%x:0x%x %d", a, b, c, d, result); } while (0) | |
1090 | ||
1091 | /* This is not UART related but IUU USB driver related or something */ | |
1092 | /* like that. Basically no IUU will accept any commands from the USB */ | |
1093 | /* host unless it has received the following message */ | |
1094 | /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */ | |
1095 | ||
1096 | SOUP(0x03, 0x02, 0x02, 0x0); | |
1097 | kfree(buf); | |
1098 | iuu_led(port, 0xF000, 0xF000, 0, 0xFF); | |
1099 | iuu_uart_on(port); | |
1100 | if (boost < 100) | |
1101 | boost = 100; | |
1102 | switch (clockmode) { | |
1103 | case 2: /* 3.680 Mhz */ | |
1104 | iuu_clk(port, IUU_CLK_3680000 * boost / 100); | |
1105 | result = | |
1106 | iuu_uart_baud(port, 9600 * boost / 100, &actual, | |
1107 | IUU_PARITY_EVEN); | |
1108 | break; | |
1109 | case 3: /* 6.00 Mhz */ | |
1110 | iuu_clk(port, IUU_CLK_6000000 * boost / 100); | |
1111 | result = | |
1112 | iuu_uart_baud(port, 16457 * boost / 100, &actual, | |
1113 | IUU_PARITY_EVEN); | |
1114 | break; | |
1115 | default: /* 3.579 Mhz */ | |
1116 | iuu_clk(port, IUU_CLK_3579000 * boost / 100); | |
1117 | result = | |
1118 | iuu_uart_baud(port, 9600 * boost / 100, &actual, | |
1119 | 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 | ||
441b62c1 | 1163 | dbg("%s - initialization done", __func__); |
60a8fc01 AD |
1164 | |
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," | |
441b62c1 | 1175 | " error %d\n", __func__, result); |
335f8514 | 1176 | iuu_close(port); |
60a8fc01 AD |
1177 | return -EPROTO; |
1178 | } else { | |
441b62c1 | 1179 | dbg("%s - rxcmd OK", __func__); |
60a8fc01 AD |
1180 | } |
1181 | return result; | |
1182 | } | |
1183 | ||
20eda943 OB |
1184 | /* how to change VCC */ |
1185 | static 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 | ||
1217 | static 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 | ||
1226 | static 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 | } | |
1247 | fail_store_vcc_mode: | |
1248 | return count; | |
1249 | } | |
1250 | ||
1251 | static DEVICE_ATTR(vcc_mode, S_IRUSR | S_IWUSR, show_vcc_mode, | |
1252 | store_vcc_mode); | |
1253 | ||
1254 | static 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 | ||
1261 | static 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 | ||
60a8fc01 AD |
1273 | static struct usb_serial_driver iuu_device = { |
1274 | .driver = { | |
1275 | .owner = THIS_MODULE, | |
1276 | .name = "iuu_phoenix", | |
1277 | }, | |
1278 | .id_table = id_table, | |
60a8fc01 | 1279 | .num_ports = 1, |
20eda943 OB |
1280 | .port_probe = iuu_create_sysfs_attrs, |
1281 | .port_remove = iuu_remove_sysfs_attrs, | |
60a8fc01 AD |
1282 | .open = iuu_open, |
1283 | .close = iuu_close, | |
1284 | .write = iuu_uart_write, | |
1285 | .read_bulk_callback = iuu_uart_read_callback, | |
1286 | .tiocmget = iuu_tiocmget, | |
1287 | .tiocmset = iuu_tiocmset, | |
96dab77e | 1288 | .set_termios = iuu_set_termios, |
fe1ae7fd | 1289 | .init_termios = iuu_init_termios, |
60a8fc01 | 1290 | .attach = iuu_startup, |
f9c99bb8 | 1291 | .release = iuu_release, |
60a8fc01 AD |
1292 | }; |
1293 | ||
1294 | static int __init iuu_init(void) | |
1295 | { | |
1296 | int retval; | |
1297 | retval = usb_serial_register(&iuu_device); | |
1298 | if (retval) | |
1299 | goto failed_usb_serial_register; | |
1300 | retval = usb_register(&iuu_driver); | |
1301 | if (retval) | |
1302 | goto failed_usb_register; | |
c197a8db GKH |
1303 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
1304 | DRIVER_DESC "\n"); | |
60a8fc01 AD |
1305 | return 0; |
1306 | failed_usb_register: | |
1307 | usb_serial_deregister(&iuu_device); | |
1308 | failed_usb_serial_register: | |
1309 | return retval; | |
1310 | } | |
1311 | ||
1312 | static void __exit iuu_exit(void) | |
1313 | { | |
1314 | usb_deregister(&iuu_driver); | |
1315 | usb_serial_deregister(&iuu_device); | |
1316 | } | |
1317 | ||
1318 | module_init(iuu_init); | |
1319 | module_exit(iuu_exit); | |
1320 | ||
1321 | MODULE_AUTHOR("Alain Degreffe eczema@ecze.com"); | |
1322 | ||
1323 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1324 | MODULE_LICENSE("GPL"); | |
1325 | ||
1326 | MODULE_VERSION(DRIVER_VERSION); | |
1327 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1328 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1329 | ||
1330 | module_param(xmas, bool, S_IRUGO | S_IWUSR); | |
8844a32d | 1331 | MODULE_PARM_DESC(xmas, "Xmas colors enabled or not"); |
60a8fc01 AD |
1332 | |
1333 | module_param(boost, int, S_IRUGO | S_IWUSR); | |
8844a32d | 1334 | MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)"); |
60a8fc01 AD |
1335 | |
1336 | module_param(clockmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1337 | MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, " |
1338 | "3=6 Mhz)"); | |
60a8fc01 AD |
1339 | |
1340 | module_param(cdmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1341 | MODULE_PARM_DESC(cdmode, "Card detect mode (0=none, 1=CD, 2=!CD, 3=DSR, " |
1342 | "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING)"); | |
e55c6d06 OB |
1343 | |
1344 | module_param(vcc_default, int, S_IRUGO | S_IWUSR); | |
1345 | MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 " | |
1346 | "for 5V). Default to 5."); |