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60a8fc01 AD |
1 | /* |
2 | * Infinity Unlimited USB Phoenix driver | |
3 | * | |
89b54397 JCD |
4 | * Copyright (C) 2010 James Courtier-Dutton (James@superbug.co.uk) |
5 | ||
60a8fc01 AD |
6 | * 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 | |
37 | static int debug = 1; | |
38 | #else | |
39 | static int debug; | |
40 | #endif | |
41 | ||
42 | /* | |
43 | * Version Information | |
44 | */ | |
89b54397 | 45 | #define DRIVER_VERSION "v0.12" |
60a8fc01 AD |
46 | #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver" |
47 | ||
7d40d7e8 | 48 | static const struct usb_device_id id_table[] = { |
60a8fc01 AD |
49 | {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)}, |
50 | {} /* Terminating entry */ | |
51 | }; | |
52 | MODULE_DEVICE_TABLE(usb, id_table); | |
53 | ||
54 | static 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 */ | |
63 | static int boost = 100; | |
64 | static int clockmode = 1; | |
65 | static int cdmode = 1; | |
66 | static int iuu_cardin; | |
67 | static int iuu_cardout; | |
68 | static int xmas; | |
e55c6d06 | 69 | static int vcc_default = 5; |
60a8fc01 AD |
70 | |
71 | static void read_rxcmd_callback(struct urb *urb); | |
72 | ||
73 | struct iuu_private { | |
74 | spinlock_t lock; /* store irq state */ | |
75 | wait_queue_head_t delta_msr_wait; | |
60a8fc01 | 76 | u8 line_status; |
60a8fc01 AD |
77 | 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; | |
20eda943 | 85 | int vcc; /* vcc (either 3 or 5 V) */ |
89b54397 JCD |
86 | u32 baud; |
87 | u32 boost; | |
88 | u32 clk; | |
60a8fc01 AD |
89 | }; |
90 | ||
91 | ||
92 | static void iuu_free_buf(struct iuu_private *priv) | |
93 | { | |
94 | kfree(priv->buf); | |
95 | kfree(priv->dbgbuf); | |
96 | kfree(priv->writebuf); | |
97 | } | |
98 | ||
99 | static 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); | |
441b62c1 | 106 | dbg("%s problem allocation buffer", __func__); |
60a8fc01 AD |
107 | return -ENOMEM; |
108 | } | |
441b62c1 | 109 | dbg("%s - Privates buffers allocation success", __func__); |
60a8fc01 AD |
110 | return 0; |
111 | } | |
112 | ||
113 | static int iuu_startup(struct usb_serial *serial) | |
114 | { | |
115 | struct iuu_private *priv; | |
116 | priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL); | |
441b62c1 | 117 | dbg("%s- priv allocation success", __func__); |
60a8fc01 AD |
118 | if (!priv) |
119 | return -ENOMEM; | |
120 | if (iuu_alloc_buf(priv)) { | |
121 | kfree(priv); | |
122 | return -ENOMEM; | |
123 | } | |
e55c6d06 | 124 | priv->vcc = vcc_default; |
60a8fc01 AD |
125 | 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 | ||
f9c99bb8 AS |
131 | /* Release function */ |
132 | static void iuu_release(struct usb_serial *serial) | |
60a8fc01 AD |
133 | { |
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 | ||
441b62c1 | 139 | dbg("%s", __func__); |
60a8fc01 AD |
140 | |
141 | if (priv) { | |
142 | iuu_free_buf(priv); | |
441b62c1 | 143 | dbg("%s - I will free all", __func__); |
60a8fc01 AD |
144 | usb_set_serial_port_data(port, NULL); |
145 | ||
441b62c1 | 146 | dbg("%s - priv is not anymore in port structure", __func__); |
60a8fc01 AD |
147 | kfree(priv); |
148 | ||
441b62c1 | 149 | dbg("%s priv is now kfree", __func__); |
60a8fc01 AD |
150 | } |
151 | } | |
152 | ||
95da310e | 153 | static int iuu_tiocmset(struct tty_struct *tty, struct file *file, |
60a8fc01 AD |
154 | unsigned int set, unsigned int clear) |
155 | { | |
95da310e | 156 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 157 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc | 158 | unsigned long flags; |
60a8fc01 | 159 | |
7b1fc8bc | 160 | /* FIXME: locking on tiomstatus */ |
441b62c1 | 161 | dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__, |
60a8fc01 | 162 | port->number, set, clear); |
7b1fc8bc AC |
163 | |
164 | spin_lock_irqsave(&priv->lock, flags); | |
60a8fc01 | 165 | |
89b54397 | 166 | if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) { |
441b62c1 | 167 | dbg("%s TIOCMSET RESET called !!!", __func__); |
60a8fc01 | 168 | priv->reset = 1; |
60a8fc01 | 169 | } |
89b54397 JCD |
170 | if (set & TIOCM_RTS) |
171 | priv->tiostatus = TIOCM_RTS; | |
172 | ||
7b1fc8bc | 173 | spin_unlock_irqrestore(&priv->lock, flags); |
60a8fc01 AD |
174 | 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 | */ | |
60b33c13 | 182 | static int iuu_tiocmget(struct tty_struct *tty) |
60a8fc01 | 183 | { |
95da310e | 184 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 185 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc AC |
186 | 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; | |
60a8fc01 AD |
194 | } |
195 | ||
196 | static void iuu_rxcmd(struct urb *urb) | |
197 | { | |
cdc97792 | 198 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 199 | int result; |
50de36f7 GKH |
200 | int status = urb->status; |
201 | ||
441b62c1 | 202 | dbg("%s - enter", __func__); |
60a8fc01 | 203 | |
50de36f7 GKH |
204 | if (status) { |
205 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
206 | /* 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 | ||
220 | static 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; | |
441b62c1 | 225 | dbg("%s - enter", __func__); |
60a8fc01 AD |
226 | |
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 | */ | |
252 | static void iuu_update_status_callback(struct urb *urb) | |
253 | { | |
cdc97792 | 254 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
255 | struct iuu_private *priv = usb_get_serial_port_data(port); |
256 | u8 *st; | |
50de36f7 GKH |
257 | int status = urb->status; |
258 | ||
441b62c1 | 259 | dbg("%s - enter", __func__); |
60a8fc01 | 260 | |
50de36f7 GKH |
261 | if (status) { |
262 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
263 | /* error stop all */ |
264 | return; | |
265 | } | |
266 | ||
267 | st = urb->transfer_buffer; | |
441b62c1 | 268 | dbg("%s - enter", __func__); |
60a8fc01 AD |
269 | 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 | ||
284 | static void iuu_status_callback(struct urb *urb) | |
285 | { | |
cdc97792 | 286 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 287 | int result; |
50de36f7 | 288 | int status = urb->status; |
60a8fc01 | 289 | |
50de36f7 | 290 | dbg("%s - status = %d", __func__, status); |
60a8fc01 AD |
291 | 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 | ||
299 | static int iuu_status(struct usb_serial_port *port) | |
300 | { | |
301 | int result; | |
302 | ||
441b62c1 | 303 | dbg("%s - enter", __func__); |
60a8fc01 AD |
304 | |
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 | ||
316 | static 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 | ||
441b62c1 | 322 | dbg("%s - enter", __func__); |
60a8fc01 AD |
323 | |
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 | ||
9e8e2d2a | 332 | if (status != IUU_OPERATION_OK) |
441b62c1 | 333 | dbg("%s - error = %2x", __func__, status); |
9e8e2d2a | 334 | else |
441b62c1 | 335 | dbg("%s - write OK !", __func__); |
60a8fc01 AD |
336 | return status; |
337 | } | |
338 | ||
339 | static 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 | ||
441b62c1 | 345 | dbg("%s - enter", __func__); |
60a8fc01 AD |
346 | |
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 | ||
9e8e2d2a | 355 | if (status != IUU_OPERATION_OK) |
441b62c1 | 356 | dbg("%s - error = %2x", __func__, status); |
9e8e2d2a | 357 | else |
441b62c1 | 358 | dbg("%s - read OK !", __func__); |
60a8fc01 AD |
359 | return status; |
360 | } | |
361 | ||
362 | static 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 | ||
441b62c1 | 371 | dbg("%s - enter", __func__); |
60a8fc01 AD |
372 | |
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) | |
441b62c1 | 384 | dbg("%s - led error status = %2x", __func__, status); |
60a8fc01 | 385 | else |
441b62c1 | 386 | dbg("%s - led OK !", __func__); |
60a8fc01 AD |
387 | return IUU_OPERATION_OK; |
388 | } | |
389 | ||
390 | static 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 | ||
403 | static void iuu_led_activity_on(struct urb *urb) | |
404 | { | |
cdc97792 | 405 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
406 | 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 | ||
424 | static void iuu_led_activity_off(struct urb *urb) | |
425 | { | |
cdc97792 | 426 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
427 | 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 | ||
446 | static 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 | ||
441b62c1 | 464 | dbg("%s - enter", __func__); |
60a8fc01 AD |
465 | |
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) { | |
441b62c1 | 474 | dbg("%s - write error ", __func__); |
60a8fc01 AD |
475 | 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) | |
441b62c1 | 583 | dbg("%s - write error ", __func__); |
60a8fc01 AD |
584 | return status; |
585 | } | |
586 | ||
587 | static 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 | ||
441b62c1 | 594 | dbg("%s - enter", __func__); |
60a8fc01 AD |
595 | |
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) { | |
441b62c1 | 602 | dbg("%s - uart_flush_write error", __func__); |
60a8fc01 AD |
603 | return status; |
604 | } | |
605 | ||
606 | status = read_immediate(port, &priv->len, 1); | |
607 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 608 | dbg("%s - uart_flush_read error", __func__); |
60a8fc01 AD |
609 | return status; |
610 | } | |
611 | ||
612 | if (priv->len > 0) { | |
441b62c1 | 613 | dbg("%s - uart_flush datalen is : %i ", __func__, |
60a8fc01 AD |
614 | priv->len); |
615 | status = read_immediate(port, priv->buf, priv->len); | |
616 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 617 | dbg("%s - uart_flush_read error", __func__); |
60a8fc01 AD |
618 | return status; |
619 | } | |
620 | } | |
621 | } | |
441b62c1 | 622 | dbg("%s - uart_flush_read OK!", __func__); |
60a8fc01 AD |
623 | iuu_led(port, 0, 0xF000, 0, 0xFF); |
624 | return status; | |
625 | } | |
626 | ||
627 | static void read_buf_callback(struct urb *urb) | |
628 | { | |
cdc97792 | 629 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
630 | unsigned char *data = urb->transfer_buffer; |
631 | struct tty_struct *tty; | |
50de36f7 | 632 | int status = urb->status; |
60a8fc01 | 633 | |
50de36f7 GKH |
634 | dbg("%s - status = %d", __func__, status); |
635 | ||
636 | if (status) { | |
637 | if (status == -EPROTO) { | |
60a8fc01 AD |
638 | /* reschedule needed */ |
639 | } | |
640 | return; | |
641 | } | |
642 | ||
441b62c1 | 643 | dbg("%s - %i chars to write", __func__, urb->actual_length); |
4a90f09b | 644 | tty = tty_port_tty_get(&port->port); |
60a8fc01 | 645 | if (data == NULL) |
441b62c1 | 646 | dbg("%s - data is NULL !!!", __func__); |
60a8fc01 AD |
647 | if (tty && urb->actual_length && data) { |
648 | tty_insert_flip_string(tty, data, urb->actual_length); | |
649 | tty_flip_buffer_push(tty); | |
650 | } | |
4a90f09b | 651 | tty_kref_put(tty); |
60a8fc01 AD |
652 | iuu_led_activity_on(urb); |
653 | } | |
654 | ||
655 | static int iuu_bulk_write(struct usb_serial_port *port) | |
656 | { | |
657 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 658 | unsigned long flags; |
60a8fc01 AD |
659 | int result; |
660 | int i; | |
5fcf62b0 | 661 | int buf_len; |
60a8fc01 | 662 | char *buf_ptr = port->write_urb->transfer_buffer; |
441b62c1 | 663 | dbg("%s - enter", __func__); |
60a8fc01 | 664 | |
5fcf62b0 | 665 | spin_lock_irqsave(&priv->lock, flags); |
60a8fc01 AD |
666 | *buf_ptr++ = IUU_UART_ESC; |
667 | *buf_ptr++ = IUU_UART_TX; | |
668 | *buf_ptr++ = priv->writelen; | |
669 | ||
5fcf62b0 OB |
670 | memcpy(buf_ptr, priv->writebuf, priv->writelen); |
671 | buf_len = priv->writelen; | |
672 | priv->writelen = 0; | |
673 | spin_unlock_irqrestore(&priv->lock, flags); | |
60a8fc01 | 674 | if (debug == 1) { |
5fcf62b0 | 675 | for (i = 0; i < buf_len; i++) |
60a8fc01 AD |
676 | sprintf(priv->dbgbuf + i*2 , |
677 | "%02X", priv->writebuf[i]); | |
5fcf62b0 | 678 | priv->dbgbuf[buf_len+i*2] = 0; |
441b62c1 | 679 | dbg("%s - writing %i chars : %s", __func__, |
5fcf62b0 | 680 | buf_len, priv->dbgbuf); |
60a8fc01 AD |
681 | } |
682 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
683 | usb_sndbulkpipe(port->serial->dev, | |
684 | port->bulk_out_endpointAddress), | |
5fcf62b0 | 685 | port->write_urb->transfer_buffer, buf_len + 3, |
60a8fc01 AD |
686 | iuu_rxcmd, port); |
687 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
60a8fc01 AD |
688 | usb_serial_port_softint(port); |
689 | return result; | |
690 | } | |
691 | ||
692 | static int iuu_read_buf(struct usb_serial_port *port, int len) | |
693 | { | |
694 | int result; | |
441b62c1 | 695 | dbg("%s - enter", __func__); |
60a8fc01 AD |
696 | |
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 | ||
706 | static void iuu_uart_read_callback(struct urb *urb) | |
707 | { | |
cdc97792 | 708 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 709 | struct iuu_private *priv = usb_get_serial_port_data(port); |
8594303a | 710 | unsigned long flags; |
50de36f7 | 711 | int status = urb->status; |
60a8fc01 AD |
712 | int error = 0; |
713 | int len = 0; | |
714 | unsigned char *data = urb->transfer_buffer; | |
715 | priv->poll++; | |
716 | ||
441b62c1 | 717 | dbg("%s - enter", __func__); |
60a8fc01 | 718 | |
50de36f7 GKH |
719 | if (status) { |
720 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
721 | /* error stop all */ |
722 | return; | |
723 | } | |
724 | if (data == NULL) | |
441b62c1 | 725 | dbg("%s - data is NULL !!!", __func__); |
60a8fc01 AD |
726 | |
727 | if (urb->actual_length == 1 && data != NULL) | |
728 | len = (int) data[0]; | |
729 | ||
730 | if (urb->actual_length > 1) { | |
441b62c1 | 731 | dbg("%s - urb->actual_length = %i", __func__, |
60a8fc01 AD |
732 | 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 ", | |
441b62c1 | 740 | __func__, len); |
60a8fc01 AD |
741 | 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 */ | |
441b62c1 | 766 | dbg("%s - rxcmd recall", __func__); |
60a8fc01 | 767 | iuu_led_activity_off(urb); |
60a8fc01 AD |
768 | } |
769 | ||
95da310e AC |
770 | static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port, |
771 | const u8 *buf, int count) | |
60a8fc01 AD |
772 | { |
773 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 774 | unsigned long flags; |
441b62c1 | 775 | dbg("%s - enter", __func__); |
60a8fc01 AD |
776 | |
777 | if (count > 256) | |
778 | return -ENOMEM; | |
779 | ||
780 | spin_lock_irqsave(&priv->lock, flags); | |
5fcf62b0 | 781 | |
60a8fc01 | 782 | /* fill the buffer */ |
5fcf62b0 OB |
783 | memcpy(priv->writebuf + priv->writelen, buf, count); |
784 | priv->writelen += count; | |
60a8fc01 AD |
785 | spin_unlock_irqrestore(&priv->lock, flags); |
786 | ||
9e8e2d2a | 787 | return count; |
60a8fc01 AD |
788 | } |
789 | ||
790 | static void read_rxcmd_callback(struct urb *urb) | |
791 | { | |
cdc97792 | 792 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 793 | int result; |
50de36f7 | 794 | int status = urb->status; |
60a8fc01 | 795 | |
50de36f7 | 796 | dbg("%s - status = %d", __func__, status); |
60a8fc01 | 797 | |
50de36f7 | 798 | if (status) { |
60a8fc01 AD |
799 | /* 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); | |
441b62c1 | 809 | dbg("%s - submit result = %d", __func__, result); |
60a8fc01 AD |
810 | } |
811 | ||
812 | static int iuu_uart_on(struct usb_serial_port *port) | |
813 | { | |
814 | int status; | |
815 | u8 *buf; | |
816 | ||
817 | buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL); | |
818 | ||
819 | if (!buf) | |
820 | return -ENOMEM; | |
821 | ||
822 | buf[0] = IUU_UART_ENABLE; | |
823 | buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF); | |
824 | buf[2] = (u8) (0x00FF & IUU_BAUD_9600); | |
cc3447d1 | 825 | buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN); |
60a8fc01 AD |
826 | |
827 | status = bulk_immediate(port, buf, 4); | |
828 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 829 | dbg("%s - uart_on error", __func__); |
60a8fc01 AD |
830 | goto uart_enable_failed; |
831 | } | |
832 | /* iuu_reset() the card after iuu_uart_on() */ | |
833 | status = iuu_uart_flush(port); | |
834 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 835 | dbg("%s - uart_flush error", __func__); |
60a8fc01 AD |
836 | uart_enable_failed: |
837 | kfree(buf); | |
838 | return status; | |
839 | } | |
840 | ||
841 | /* Diables the IUU UART (a.k.a. the Phoenix voiderface) */ | |
842 | static int iuu_uart_off(struct usb_serial_port *port) | |
843 | { | |
844 | int status; | |
845 | u8 *buf; | |
846 | buf = kmalloc(1, GFP_KERNEL); | |
847 | if (!buf) | |
848 | return -ENOMEM; | |
849 | buf[0] = IUU_UART_DISABLE; | |
850 | ||
851 | status = bulk_immediate(port, buf, 1); | |
852 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 853 | dbg("%s - uart_off error", __func__); |
60a8fc01 AD |
854 | |
855 | kfree(buf); | |
856 | return status; | |
857 | } | |
858 | ||
89b54397 | 859 | static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base, |
60a8fc01 AD |
860 | u32 *actual, u8 parity) |
861 | { | |
862 | int status; | |
89b54397 | 863 | u32 baud; |
60a8fc01 AD |
864 | u8 *dataout; |
865 | u8 DataCount = 0; | |
866 | u8 T1Frekvens = 0; | |
867 | u8 T1reload = 0; | |
868 | unsigned int T1FrekvensHZ = 0; | |
869 | ||
89b54397 | 870 | dbg("%s - enter baud_base=%d", __func__, baud_base); |
60a8fc01 AD |
871 | dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL); |
872 | ||
873 | if (!dataout) | |
874 | return -ENOMEM; | |
89b54397 JCD |
875 | /*baud = (((priv->clk / 35) * baud_base) / 100000); */ |
876 | baud = baud_base; | |
60a8fc01 AD |
877 | |
878 | if (baud < 1200 || baud > 230400) { | |
879 | kfree(dataout); | |
880 | return IUU_INVALID_PARAMETER; | |
881 | } | |
882 | if (baud > 977) { | |
883 | T1Frekvens = 3; | |
884 | T1FrekvensHZ = 500000; | |
885 | } | |
886 | ||
887 | if (baud > 3906) { | |
888 | T1Frekvens = 2; | |
889 | T1FrekvensHZ = 2000000; | |
890 | } | |
891 | ||
892 | if (baud > 11718) { | |
893 | T1Frekvens = 1; | |
894 | T1FrekvensHZ = 6000000; | |
895 | } | |
896 | ||
897 | if (baud > 46875) { | |
898 | T1Frekvens = 0; | |
899 | T1FrekvensHZ = 24000000; | |
900 | } | |
901 | ||
902 | T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2)); | |
903 | ||
904 | /* magic number here: ENTER_FIRMWARE_UPDATE; */ | |
905 | dataout[DataCount++] = IUU_UART_ESC; | |
906 | /* magic number here: CHANGE_BAUD; */ | |
907 | dataout[DataCount++] = IUU_UART_CHANGE; | |
908 | dataout[DataCount++] = T1Frekvens; | |
909 | dataout[DataCount++] = T1reload; | |
910 | ||
911 | *actual = (T1FrekvensHZ / (256 - T1reload)) / 2; | |
912 | ||
913 | switch (parity & 0x0F) { | |
914 | case IUU_PARITY_NONE: | |
915 | dataout[DataCount++] = 0x00; | |
916 | break; | |
917 | case IUU_PARITY_EVEN: | |
918 | dataout[DataCount++] = 0x01; | |
919 | break; | |
920 | case IUU_PARITY_ODD: | |
921 | dataout[DataCount++] = 0x02; | |
922 | break; | |
923 | case IUU_PARITY_MARK: | |
924 | dataout[DataCount++] = 0x03; | |
925 | break; | |
926 | case IUU_PARITY_SPACE: | |
927 | dataout[DataCount++] = 0x04; | |
928 | break; | |
929 | default: | |
930 | kfree(dataout); | |
931 | return IUU_INVALID_PARAMETER; | |
932 | break; | |
933 | } | |
934 | ||
935 | switch (parity & 0xF0) { | |
936 | case IUU_ONE_STOP_BIT: | |
937 | dataout[DataCount - 1] |= IUU_ONE_STOP_BIT; | |
938 | break; | |
939 | ||
940 | case IUU_TWO_STOP_BITS: | |
941 | dataout[DataCount - 1] |= IUU_TWO_STOP_BITS; | |
942 | break; | |
943 | default: | |
944 | kfree(dataout); | |
945 | return IUU_INVALID_PARAMETER; | |
946 | break; | |
947 | } | |
948 | ||
949 | status = bulk_immediate(port, dataout, DataCount); | |
950 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 951 | dbg("%s - uart_off error", __func__); |
60a8fc01 AD |
952 | kfree(dataout); |
953 | return status; | |
954 | } | |
955 | ||
96dab77e OB |
956 | static void iuu_set_termios(struct tty_struct *tty, |
957 | struct usb_serial_port *port, struct ktermios *old_termios) | |
958 | { | |
959 | const u32 supported_mask = CMSPAR|PARENB|PARODD; | |
89b54397 | 960 | struct iuu_private *priv = usb_get_serial_port_data(port); |
96dab77e OB |
961 | unsigned int cflag = tty->termios->c_cflag; |
962 | int status; | |
963 | u32 actual; | |
964 | u32 parity; | |
965 | int csize = CS7; | |
89b54397 | 966 | int baud; |
96dab77e OB |
967 | u32 newval = cflag & supported_mask; |
968 | ||
89b54397 JCD |
969 | /* Just use the ospeed. ispeed should be the same. */ |
970 | baud = tty->termios->c_ospeed; | |
971 | ||
972 | dbg("%s - enter c_ospeed or baud=%d", __func__, baud); | |
973 | ||
96dab77e OB |
974 | /* compute the parity parameter */ |
975 | parity = 0; | |
976 | if (cflag & CMSPAR) { /* Using mark space */ | |
977 | if (cflag & PARODD) | |
978 | parity |= IUU_PARITY_SPACE; | |
979 | else | |
980 | parity |= IUU_PARITY_MARK; | |
981 | } else if (!(cflag & PARENB)) { | |
982 | parity |= IUU_PARITY_NONE; | |
983 | csize = CS8; | |
984 | } else if (cflag & PARODD) | |
985 | parity |= IUU_PARITY_ODD; | |
986 | else | |
987 | parity |= IUU_PARITY_EVEN; | |
988 | ||
989 | parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT); | |
990 | ||
991 | /* set it */ | |
992 | status = iuu_uart_baud(port, | |
89b54397 | 993 | baud * priv->boost / 100, |
96dab77e OB |
994 | &actual, parity); |
995 | ||
996 | /* set the termios value to the real one, so the user now what has | |
997 | * changed. We support few fields so its easies to copy the old hw | |
998 | * settings back over and then adjust them | |
999 | */ | |
89b54397 JCD |
1000 | if (old_termios) |
1001 | tty_termios_copy_hw(tty->termios, old_termios); | |
96dab77e OB |
1002 | if (status != 0) /* Set failed - return old bits */ |
1003 | return; | |
1004 | /* Re-encode speed, parity and csize */ | |
1005 | tty_encode_baud_rate(tty, baud, baud); | |
1006 | tty->termios->c_cflag &= ~(supported_mask|CSIZE); | |
1007 | tty->termios->c_cflag |= newval | csize; | |
1008 | } | |
1009 | ||
335f8514 | 1010 | static void iuu_close(struct usb_serial_port *port) |
60a8fc01 AD |
1011 | { |
1012 | /* iuu_led (port,255,0,0,0); */ | |
1013 | struct usb_serial *serial; | |
60a8fc01 AD |
1014 | |
1015 | serial = port->serial; | |
1016 | if (!serial) | |
1017 | return; | |
1018 | ||
441b62c1 | 1019 | dbg("%s - port %d", __func__, port->number); |
60a8fc01 AD |
1020 | |
1021 | iuu_uart_off(port); | |
1022 | if (serial->dev) { | |
60a8fc01 AD |
1023 | /* free writebuf */ |
1024 | /* shutdown our urbs */ | |
441b62c1 | 1025 | dbg("%s - shutting down urbs", __func__); |
60a8fc01 AD |
1026 | usb_kill_urb(port->write_urb); |
1027 | usb_kill_urb(port->read_urb); | |
1028 | usb_kill_urb(port->interrupt_in_urb); | |
60a8fc01 | 1029 | iuu_led(port, 0, 0, 0xF000, 0xFF); |
60a8fc01 AD |
1030 | } |
1031 | } | |
1032 | ||
fe1ae7fd AC |
1033 | static void iuu_init_termios(struct tty_struct *tty) |
1034 | { | |
89b54397 | 1035 | dbg("%s - enter", __func__); |
fe1ae7fd AC |
1036 | *(tty->termios) = tty_std_termios; |
1037 | tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600 | |
1038 | | TIOCM_CTS | CSTOPB | PARENB; | |
1039 | tty->termios->c_ispeed = 9600; | |
1040 | tty->termios->c_ospeed = 9600; | |
1041 | tty->termios->c_lflag = 0; | |
1042 | tty->termios->c_oflag = 0; | |
1043 | tty->termios->c_iflag = 0; | |
1044 | } | |
1045 | ||
a509a7e4 | 1046 | static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) |
60a8fc01 AD |
1047 | { |
1048 | struct usb_serial *serial = port->serial; | |
1049 | u8 *buf; | |
1050 | int result; | |
89b54397 | 1051 | int baud; |
60a8fc01 | 1052 | u32 actual; |
60a8fc01 AD |
1053 | struct iuu_private *priv = usb_get_serial_port_data(port); |
1054 | ||
89b54397 JCD |
1055 | baud = tty->termios->c_ospeed; |
1056 | tty->termios->c_ispeed = baud; | |
1057 | /* Re-encode speed */ | |
1058 | tty_encode_baud_rate(tty, baud, baud); | |
1059 | ||
1060 | dbg("%s - port %d, baud %d", __func__, port->number, baud); | |
60a8fc01 AD |
1061 | usb_clear_halt(serial->dev, port->write_urb->pipe); |
1062 | usb_clear_halt(serial->dev, port->read_urb->pipe); | |
1063 | ||
1064 | buf = kmalloc(10, GFP_KERNEL); | |
1065 | if (buf == NULL) | |
1066 | return -ENOMEM; | |
1067 | ||
fe1ae7fd | 1068 | priv->poll = 0; |
60a8fc01 AD |
1069 | |
1070 | /* initialize writebuf */ | |
1071 | #define FISH(a, b, c, d) do { \ | |
1072 | result = usb_control_msg(port->serial->dev, \ | |
1073 | usb_rcvctrlpipe(port->serial->dev, 0), \ | |
1074 | b, a, c, d, buf, 1, 1000); \ | |
1075 | dbg("0x%x:0x%x:0x%x:0x%x %d - %x", a, b, c, d, result, \ | |
1076 | buf[0]); } while (0); | |
1077 | ||
1078 | #define SOUP(a, b, c, d) do { \ | |
1079 | result = usb_control_msg(port->serial->dev, \ | |
1080 | usb_sndctrlpipe(port->serial->dev, 0), \ | |
1081 | b, a, c, d, NULL, 0, 1000); \ | |
1082 | dbg("0x%x:0x%x:0x%x:0x%x %d", a, b, c, d, result); } while (0) | |
1083 | ||
1084 | /* This is not UART related but IUU USB driver related or something */ | |
1085 | /* like that. Basically no IUU will accept any commands from the USB */ | |
1086 | /* host unless it has received the following message */ | |
1087 | /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */ | |
1088 | ||
1089 | SOUP(0x03, 0x02, 0x02, 0x0); | |
1090 | kfree(buf); | |
1091 | iuu_led(port, 0xF000, 0xF000, 0, 0xFF); | |
1092 | iuu_uart_on(port); | |
1093 | if (boost < 100) | |
1094 | boost = 100; | |
89b54397 JCD |
1095 | priv->boost = boost; |
1096 | priv->baud = baud; | |
60a8fc01 AD |
1097 | switch (clockmode) { |
1098 | case 2: /* 3.680 Mhz */ | |
89b54397 | 1099 | priv->clk = IUU_CLK_3680000; |
60a8fc01 AD |
1100 | iuu_clk(port, IUU_CLK_3680000 * boost / 100); |
1101 | result = | |
89b54397 | 1102 | iuu_uart_baud(port, baud * boost / 100, &actual, |
60a8fc01 AD |
1103 | IUU_PARITY_EVEN); |
1104 | break; | |
1105 | case 3: /* 6.00 Mhz */ | |
1106 | iuu_clk(port, IUU_CLK_6000000 * boost / 100); | |
89b54397 JCD |
1107 | priv->clk = IUU_CLK_6000000; |
1108 | /* Ratio of 6000000 to 3500000 for baud 9600 */ | |
60a8fc01 AD |
1109 | result = |
1110 | iuu_uart_baud(port, 16457 * boost / 100, &actual, | |
1111 | IUU_PARITY_EVEN); | |
1112 | break; | |
1113 | default: /* 3.579 Mhz */ | |
1114 | iuu_clk(port, IUU_CLK_3579000 * boost / 100); | |
89b54397 | 1115 | priv->clk = IUU_CLK_3579000; |
60a8fc01 | 1116 | result = |
89b54397 | 1117 | iuu_uart_baud(port, baud * boost / 100, &actual, |
60a8fc01 AD |
1118 | IUU_PARITY_EVEN); |
1119 | } | |
1120 | ||
1121 | /* set the cardin cardout signals */ | |
1122 | switch (cdmode) { | |
1123 | case 0: | |
1124 | iuu_cardin = 0; | |
1125 | iuu_cardout = 0; | |
1126 | break; | |
1127 | case 1: | |
1128 | iuu_cardin = TIOCM_CD; | |
1129 | iuu_cardout = 0; | |
1130 | break; | |
1131 | case 2: | |
1132 | iuu_cardin = 0; | |
1133 | iuu_cardout = TIOCM_CD; | |
1134 | break; | |
1135 | case 3: | |
1136 | iuu_cardin = TIOCM_DSR; | |
1137 | iuu_cardout = 0; | |
1138 | break; | |
1139 | case 4: | |
1140 | iuu_cardin = 0; | |
1141 | iuu_cardout = TIOCM_DSR; | |
1142 | break; | |
1143 | case 5: | |
1144 | iuu_cardin = TIOCM_CTS; | |
1145 | iuu_cardout = 0; | |
1146 | break; | |
1147 | case 6: | |
1148 | iuu_cardin = 0; | |
1149 | iuu_cardout = TIOCM_CTS; | |
1150 | break; | |
1151 | case 7: | |
1152 | iuu_cardin = TIOCM_RNG; | |
1153 | iuu_cardout = 0; | |
1154 | break; | |
1155 | case 8: | |
1156 | iuu_cardin = 0; | |
1157 | iuu_cardout = TIOCM_RNG; | |
1158 | } | |
1159 | ||
1160 | iuu_uart_flush(port); | |
1161 | ||
441b62c1 | 1162 | dbg("%s - initialization done", __func__); |
60a8fc01 AD |
1163 | |
1164 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); | |
1165 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
1166 | usb_sndbulkpipe(port->serial->dev, | |
1167 | port->bulk_out_endpointAddress), | |
1168 | port->write_urb->transfer_buffer, 1, | |
1169 | read_rxcmd_callback, port); | |
1170 | result = usb_submit_urb(port->write_urb, GFP_KERNEL); | |
1171 | ||
1172 | if (result) { | |
1173 | dev_err(&port->dev, "%s - failed submitting read urb," | |
441b62c1 | 1174 | " error %d\n", __func__, result); |
335f8514 | 1175 | iuu_close(port); |
60a8fc01 AD |
1176 | return -EPROTO; |
1177 | } else { | |
441b62c1 | 1178 | dbg("%s - rxcmd OK", __func__); |
60a8fc01 AD |
1179 | } |
1180 | return result; | |
1181 | } | |
1182 | ||
20eda943 OB |
1183 | /* how to change VCC */ |
1184 | static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc) | |
1185 | { | |
1186 | int status; | |
1187 | u8 *buf; | |
1188 | ||
1189 | buf = kmalloc(5, GFP_KERNEL); | |
1190 | if (!buf) | |
1191 | return -ENOMEM; | |
1192 | ||
1193 | dbg("%s - enter", __func__); | |
1194 | ||
1195 | buf[0] = IUU_SET_VCC; | |
1196 | buf[1] = vcc & 0xFF; | |
1197 | buf[2] = (vcc >> 8) & 0xFF; | |
1198 | buf[3] = (vcc >> 16) & 0xFF; | |
1199 | buf[4] = (vcc >> 24) & 0xFF; | |
1200 | ||
1201 | status = bulk_immediate(port, buf, 5); | |
1202 | kfree(buf); | |
1203 | ||
1204 | if (status != IUU_OPERATION_OK) | |
1205 | dbg("%s - vcc error status = %2x", __func__, status); | |
1206 | else | |
1207 | dbg("%s - vcc OK !", __func__); | |
1208 | ||
1209 | return status; | |
1210 | } | |
1211 | ||
1212 | /* | |
1213 | * Sysfs Attributes | |
1214 | */ | |
1215 | ||
1216 | static ssize_t show_vcc_mode(struct device *dev, | |
1217 | struct device_attribute *attr, char *buf) | |
1218 | { | |
1219 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1220 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
1221 | ||
1222 | return sprintf(buf, "%d\n", priv->vcc); | |
1223 | } | |
1224 | ||
1225 | static ssize_t store_vcc_mode(struct device *dev, | |
1226 | struct device_attribute *attr, const char *buf, size_t count) | |
1227 | { | |
1228 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1229 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
1230 | unsigned long v; | |
1231 | ||
1232 | if (strict_strtoul(buf, 10, &v)) { | |
1233 | dev_err(dev, "%s - vcc_mode: %s is not a unsigned long\n", | |
1234 | __func__, buf); | |
1235 | goto fail_store_vcc_mode; | |
1236 | } | |
1237 | ||
1238 | dbg("%s: setting vcc_mode = %ld", __func__, v); | |
1239 | ||
1240 | if ((v != 3) && (v != 5)) { | |
1241 | dev_err(dev, "%s - vcc_mode %ld is invalid\n", __func__, v); | |
1242 | } else { | |
1243 | iuu_vcc_set(port, v); | |
1244 | priv->vcc = v; | |
1245 | } | |
1246 | fail_store_vcc_mode: | |
1247 | return count; | |
1248 | } | |
1249 | ||
1250 | static DEVICE_ATTR(vcc_mode, S_IRUSR | S_IWUSR, show_vcc_mode, | |
1251 | store_vcc_mode); | |
1252 | ||
1253 | static int iuu_create_sysfs_attrs(struct usb_serial_port *port) | |
1254 | { | |
1255 | dbg("%s", __func__); | |
1256 | ||
1257 | return device_create_file(&port->dev, &dev_attr_vcc_mode); | |
1258 | } | |
1259 | ||
1260 | static int iuu_remove_sysfs_attrs(struct usb_serial_port *port) | |
1261 | { | |
1262 | dbg("%s", __func__); | |
1263 | ||
1264 | device_remove_file(&port->dev, &dev_attr_vcc_mode); | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | /* | |
1269 | * End Sysfs Attributes | |
1270 | */ | |
1271 | ||
60a8fc01 AD |
1272 | static struct usb_serial_driver iuu_device = { |
1273 | .driver = { | |
1274 | .owner = THIS_MODULE, | |
1275 | .name = "iuu_phoenix", | |
1276 | }, | |
1277 | .id_table = id_table, | |
5620b5f7 | 1278 | .usb_driver = &iuu_driver, |
60a8fc01 | 1279 | .num_ports = 1, |
bbcb2b90 JH |
1280 | .bulk_in_size = 512, |
1281 | .bulk_out_size = 512, | |
20eda943 OB |
1282 | .port_probe = iuu_create_sysfs_attrs, |
1283 | .port_remove = iuu_remove_sysfs_attrs, | |
60a8fc01 AD |
1284 | .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, | |
96dab77e | 1290 | .set_termios = iuu_set_termios, |
fe1ae7fd | 1291 | .init_termios = iuu_init_termios, |
60a8fc01 | 1292 | .attach = iuu_startup, |
f9c99bb8 | 1293 | .release = iuu_release, |
60a8fc01 AD |
1294 | }; |
1295 | ||
1296 | static 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; | |
c197a8db GKH |
1305 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
1306 | DRIVER_DESC "\n"); | |
60a8fc01 AD |
1307 | return 0; |
1308 | failed_usb_register: | |
1309 | usb_serial_deregister(&iuu_device); | |
1310 | failed_usb_serial_register: | |
1311 | return retval; | |
1312 | } | |
1313 | ||
1314 | static void __exit iuu_exit(void) | |
1315 | { | |
1316 | usb_deregister(&iuu_driver); | |
1317 | usb_serial_deregister(&iuu_device); | |
1318 | } | |
1319 | ||
1320 | module_init(iuu_init); | |
1321 | module_exit(iuu_exit); | |
1322 | ||
1323 | MODULE_AUTHOR("Alain Degreffe eczema@ecze.com"); | |
1324 | ||
1325 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1326 | MODULE_LICENSE("GPL"); | |
1327 | ||
1328 | MODULE_VERSION(DRIVER_VERSION); | |
1329 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1330 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1331 | ||
1332 | module_param(xmas, bool, S_IRUGO | S_IWUSR); | |
8844a32d | 1333 | MODULE_PARM_DESC(xmas, "Xmas colors enabled or not"); |
60a8fc01 AD |
1334 | |
1335 | module_param(boost, int, S_IRUGO | S_IWUSR); | |
8844a32d | 1336 | MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)"); |
60a8fc01 AD |
1337 | |
1338 | module_param(clockmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1339 | MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, " |
1340 | "3=6 Mhz)"); | |
60a8fc01 AD |
1341 | |
1342 | module_param(cdmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1343 | MODULE_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)"); | |
e55c6d06 OB |
1345 | |
1346 | module_param(vcc_default, int, S_IRUGO | S_IWUSR); | |
1347 | MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 " | |
1348 | "for 5V). Default to 5."); |