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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> | |
60a8fc01 AD |
20 | #include <linux/slab.h> |
21 | #include <linux/tty.h> | |
22 | #include <linux/tty_driver.h> | |
23 | #include <linux/tty_flip.h> | |
24 | #include <linux/serial.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/spinlock.h> | |
28 | #include <linux/uaccess.h> | |
29 | #include <linux/usb.h> | |
30 | #include <linux/usb/serial.h> | |
31 | #include "iuu_phoenix.h" | |
32 | #include <linux/random.h> | |
33 | ||
60a8fc01 AD |
34 | #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver" |
35 | ||
7d40d7e8 | 36 | static const struct usb_device_id id_table[] = { |
60a8fc01 AD |
37 | {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)}, |
38 | {} /* Terminating entry */ | |
39 | }; | |
40 | MODULE_DEVICE_TABLE(usb, id_table); | |
41 | ||
60a8fc01 AD |
42 | /* turbo parameter */ |
43 | static int boost = 100; | |
44 | static int clockmode = 1; | |
45 | static int cdmode = 1; | |
46 | static int iuu_cardin; | |
47 | static int iuu_cardout; | |
90ab5ee9 | 48 | static bool xmas; |
e55c6d06 | 49 | static int vcc_default = 5; |
60a8fc01 | 50 | |
0978c949 JH |
51 | static int iuu_create_sysfs_attrs(struct usb_serial_port *port); |
52 | static int iuu_remove_sysfs_attrs(struct usb_serial_port *port); | |
60a8fc01 AD |
53 | static void read_rxcmd_callback(struct urb *urb); |
54 | ||
55 | struct iuu_private { | |
56 | spinlock_t lock; /* store irq state */ | |
60a8fc01 | 57 | u8 line_status; |
60a8fc01 AD |
58 | int tiostatus; /* store IUART SIGNAL for tiocmget call */ |
59 | u8 reset; /* if 1 reset is needed */ | |
60 | int poll; /* number of poll */ | |
61 | u8 *writebuf; /* buffer for writing to device */ | |
62 | int writelen; /* num of byte to write to device */ | |
63 | u8 *buf; /* used for initialize speed */ | |
60a8fc01 | 64 | u8 len; |
20eda943 | 65 | int vcc; /* vcc (either 3 or 5 V) */ |
89b54397 JCD |
66 | u32 baud; |
67 | u32 boost; | |
68 | u32 clk; | |
60a8fc01 AD |
69 | }; |
70 | ||
90507d54 JH |
71 | static int iuu_attach(struct usb_serial *serial) |
72 | { | |
73 | unsigned char num_ports = serial->num_ports; | |
74 | ||
75 | if (serial->num_bulk_in < num_ports || serial->num_bulk_out < num_ports) | |
76 | return -ENODEV; | |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
53636555 | 81 | static int iuu_port_probe(struct usb_serial_port *port) |
60a8fc01 AD |
82 | { |
83 | struct iuu_private *priv; | |
0978c949 | 84 | int ret; |
2621cee1 | 85 | |
60a8fc01 | 86 | priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL); |
60a8fc01 AD |
87 | if (!priv) |
88 | return -ENOMEM; | |
53636555 JH |
89 | |
90 | priv->buf = kzalloc(256, GFP_KERNEL); | |
91 | if (!priv->buf) { | |
60a8fc01 AD |
92 | kfree(priv); |
93 | return -ENOMEM; | |
94 | } | |
53636555 JH |
95 | |
96 | priv->writebuf = kzalloc(256, GFP_KERNEL); | |
97 | if (!priv->writebuf) { | |
98 | kfree(priv->buf); | |
99 | kfree(priv); | |
100 | return -ENOMEM; | |
101 | } | |
102 | ||
e55c6d06 | 103 | priv->vcc = vcc_default; |
60a8fc01 | 104 | spin_lock_init(&priv->lock); |
53636555 JH |
105 | |
106 | usb_set_serial_port_data(port, priv); | |
107 | ||
0978c949 JH |
108 | ret = iuu_create_sysfs_attrs(port); |
109 | if (ret) { | |
110 | kfree(priv->writebuf); | |
111 | kfree(priv->buf); | |
112 | kfree(priv); | |
113 | return ret; | |
114 | } | |
115 | ||
60a8fc01 AD |
116 | return 0; |
117 | } | |
118 | ||
53636555 | 119 | static int iuu_port_remove(struct usb_serial_port *port) |
60a8fc01 | 120 | { |
60a8fc01 | 121 | struct iuu_private *priv = usb_get_serial_port_data(port); |
60a8fc01 | 122 | |
0978c949 | 123 | iuu_remove_sysfs_attrs(port); |
53636555 JH |
124 | kfree(priv->writebuf); |
125 | kfree(priv->buf); | |
126 | kfree(priv); | |
60a8fc01 | 127 | |
53636555 | 128 | return 0; |
60a8fc01 AD |
129 | } |
130 | ||
20b9d177 | 131 | static int iuu_tiocmset(struct tty_struct *tty, |
60a8fc01 AD |
132 | unsigned int set, unsigned int clear) |
133 | { | |
95da310e | 134 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 135 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc | 136 | unsigned long flags; |
60a8fc01 | 137 | |
7b1fc8bc | 138 | /* FIXME: locking on tiomstatus */ |
2621cee1 GKH |
139 | dev_dbg(&port->dev, "%s msg : SET = 0x%04x, CLEAR = 0x%04x\n", |
140 | __func__, set, clear); | |
7b1fc8bc AC |
141 | |
142 | spin_lock_irqsave(&priv->lock, flags); | |
60a8fc01 | 143 | |
89b54397 | 144 | if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) { |
2621cee1 | 145 | dev_dbg(&port->dev, "%s TIOCMSET RESET called !!!\n", __func__); |
60a8fc01 | 146 | priv->reset = 1; |
60a8fc01 | 147 | } |
89b54397 JCD |
148 | if (set & TIOCM_RTS) |
149 | priv->tiostatus = TIOCM_RTS; | |
150 | ||
7b1fc8bc | 151 | spin_unlock_irqrestore(&priv->lock, flags); |
60a8fc01 AD |
152 | return 0; |
153 | } | |
154 | ||
155 | /* This is used to provide a carrier detect mechanism | |
156 | * When a card is present, the response is 0x00 | |
157 | * When no card , the reader respond with TIOCM_CD | |
158 | * This is known as CD autodetect mechanism | |
159 | */ | |
60b33c13 | 160 | static int iuu_tiocmget(struct tty_struct *tty) |
60a8fc01 | 161 | { |
95da310e | 162 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 163 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc AC |
164 | unsigned long flags; |
165 | int rc; | |
166 | ||
167 | spin_lock_irqsave(&priv->lock, flags); | |
168 | rc = priv->tiostatus; | |
169 | spin_unlock_irqrestore(&priv->lock, flags); | |
170 | ||
171 | return rc; | |
60a8fc01 AD |
172 | } |
173 | ||
174 | static void iuu_rxcmd(struct urb *urb) | |
175 | { | |
cdc97792 | 176 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 177 | int result; |
50de36f7 GKH |
178 | int status = urb->status; |
179 | ||
50de36f7 | 180 | if (status) { |
2621cee1 | 181 | dev_dbg(&port->dev, "%s - status = %d\n", __func__, status); |
60a8fc01 AD |
182 | /* error stop all */ |
183 | return; | |
184 | } | |
185 | ||
186 | ||
187 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); | |
188 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
189 | usb_sndbulkpipe(port->serial->dev, | |
190 | port->bulk_out_endpointAddress), | |
191 | port->write_urb->transfer_buffer, 1, | |
192 | read_rxcmd_callback, port); | |
193 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
194 | } | |
195 | ||
196 | static int iuu_reset(struct usb_serial_port *port, u8 wt) | |
197 | { | |
198 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
199 | int result; | |
200 | char *buf_ptr = port->write_urb->transfer_buffer; | |
60a8fc01 AD |
201 | |
202 | /* Prepare the reset sequence */ | |
203 | ||
204 | *buf_ptr++ = IUU_RST_SET; | |
205 | *buf_ptr++ = IUU_DELAY_MS; | |
206 | *buf_ptr++ = wt; | |
207 | *buf_ptr = IUU_RST_CLEAR; | |
208 | ||
209 | /* send the sequence */ | |
210 | ||
211 | usb_fill_bulk_urb(port->write_urb, | |
212 | port->serial->dev, | |
213 | usb_sndbulkpipe(port->serial->dev, | |
214 | port->bulk_out_endpointAddress), | |
215 | port->write_urb->transfer_buffer, 4, iuu_rxcmd, port); | |
216 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
217 | priv->reset = 0; | |
218 | return result; | |
219 | } | |
220 | ||
221 | /* Status Function | |
222 | * Return value is | |
223 | * 0x00 = no card | |
224 | * 0x01 = smartcard | |
225 | * 0x02 = sim card | |
226 | */ | |
227 | static void iuu_update_status_callback(struct urb *urb) | |
228 | { | |
cdc97792 | 229 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
230 | struct iuu_private *priv = usb_get_serial_port_data(port); |
231 | u8 *st; | |
50de36f7 GKH |
232 | int status = urb->status; |
233 | ||
50de36f7 | 234 | if (status) { |
2621cee1 | 235 | dev_dbg(&port->dev, "%s - status = %d\n", __func__, status); |
60a8fc01 AD |
236 | /* error stop all */ |
237 | return; | |
238 | } | |
239 | ||
240 | st = urb->transfer_buffer; | |
2621cee1 | 241 | dev_dbg(&port->dev, "%s - enter\n", __func__); |
60a8fc01 AD |
242 | if (urb->actual_length == 1) { |
243 | switch (st[0]) { | |
244 | case 0x1: | |
245 | priv->tiostatus = iuu_cardout; | |
246 | break; | |
247 | case 0x0: | |
248 | priv->tiostatus = iuu_cardin; | |
249 | break; | |
250 | default: | |
251 | priv->tiostatus = iuu_cardin; | |
252 | } | |
253 | } | |
254 | iuu_rxcmd(urb); | |
255 | } | |
256 | ||
257 | static void iuu_status_callback(struct urb *urb) | |
258 | { | |
cdc97792 | 259 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 260 | int result; |
50de36f7 | 261 | int status = urb->status; |
60a8fc01 | 262 | |
2621cee1 | 263 | dev_dbg(&port->dev, "%s - status = %d\n", __func__, status); |
60a8fc01 AD |
264 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
265 | usb_rcvbulkpipe(port->serial->dev, | |
266 | port->bulk_in_endpointAddress), | |
267 | port->read_urb->transfer_buffer, 256, | |
268 | iuu_update_status_callback, port); | |
269 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
270 | } | |
271 | ||
272 | static int iuu_status(struct usb_serial_port *port) | |
273 | { | |
274 | int result; | |
275 | ||
60a8fc01 AD |
276 | memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1); |
277 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
278 | usb_sndbulkpipe(port->serial->dev, | |
279 | port->bulk_out_endpointAddress), | |
280 | port->write_urb->transfer_buffer, 1, | |
281 | iuu_status_callback, port); | |
282 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
283 | return result; | |
284 | ||
285 | } | |
286 | ||
287 | static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count) | |
288 | { | |
289 | int status; | |
290 | struct usb_serial *serial = port->serial; | |
291 | int actual = 0; | |
292 | ||
60a8fc01 AD |
293 | /* send the data out the bulk port */ |
294 | ||
295 | status = | |
296 | usb_bulk_msg(serial->dev, | |
297 | usb_sndbulkpipe(serial->dev, | |
298 | port->bulk_out_endpointAddress), buf, | |
6c13ff68 | 299 | count, &actual, 1000); |
60a8fc01 | 300 | |
9e8e2d2a | 301 | if (status != IUU_OPERATION_OK) |
2621cee1 | 302 | dev_dbg(&port->dev, "%s - error = %2x\n", __func__, status); |
9e8e2d2a | 303 | else |
2621cee1 | 304 | dev_dbg(&port->dev, "%s - write OK !\n", __func__); |
60a8fc01 AD |
305 | return status; |
306 | } | |
307 | ||
308 | static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count) | |
309 | { | |
310 | int status; | |
311 | struct usb_serial *serial = port->serial; | |
312 | int actual = 0; | |
313 | ||
60a8fc01 | 314 | /* send the data out the bulk port */ |
60a8fc01 AD |
315 | status = |
316 | usb_bulk_msg(serial->dev, | |
317 | usb_rcvbulkpipe(serial->dev, | |
318 | port->bulk_in_endpointAddress), buf, | |
6c13ff68 | 319 | count, &actual, 1000); |
60a8fc01 | 320 | |
9e8e2d2a | 321 | if (status != IUU_OPERATION_OK) |
2621cee1 | 322 | dev_dbg(&port->dev, "%s - error = %2x\n", __func__, status); |
9e8e2d2a | 323 | else |
2621cee1 | 324 | dev_dbg(&port->dev, "%s - read OK !\n", __func__); |
60a8fc01 AD |
325 | return status; |
326 | } | |
327 | ||
328 | static int iuu_led(struct usb_serial_port *port, unsigned int R, | |
329 | unsigned int G, unsigned int B, u8 f) | |
330 | { | |
331 | int status; | |
332 | u8 *buf; | |
333 | buf = kmalloc(8, GFP_KERNEL); | |
334 | if (!buf) | |
335 | return -ENOMEM; | |
336 | ||
60a8fc01 AD |
337 | buf[0] = IUU_SET_LED; |
338 | buf[1] = R & 0xFF; | |
339 | buf[2] = (R >> 8) & 0xFF; | |
340 | buf[3] = G & 0xFF; | |
341 | buf[4] = (G >> 8) & 0xFF; | |
342 | buf[5] = B & 0xFF; | |
343 | buf[6] = (B >> 8) & 0xFF; | |
344 | buf[7] = f; | |
345 | status = bulk_immediate(port, buf, 8); | |
346 | kfree(buf); | |
347 | if (status != IUU_OPERATION_OK) | |
2621cee1 | 348 | dev_dbg(&port->dev, "%s - led error status = %2x\n", __func__, status); |
60a8fc01 | 349 | else |
2621cee1 | 350 | dev_dbg(&port->dev, "%s - led OK !\n", __func__); |
60a8fc01 AD |
351 | return IUU_OPERATION_OK; |
352 | } | |
353 | ||
354 | static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1, | |
355 | u8 b2, u8 freq) | |
356 | { | |
357 | *buf++ = IUU_SET_LED; | |
358 | *buf++ = r1; | |
359 | *buf++ = r2; | |
360 | *buf++ = g1; | |
361 | *buf++ = g2; | |
362 | *buf++ = b1; | |
363 | *buf++ = b2; | |
364 | *buf = freq; | |
365 | } | |
366 | ||
367 | static void iuu_led_activity_on(struct urb *urb) | |
368 | { | |
cdc97792 | 369 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
370 | int result; |
371 | char *buf_ptr = port->write_urb->transfer_buffer; | |
372 | *buf_ptr++ = IUU_SET_LED; | |
ce9d8562 | 373 | if (xmas) { |
60a8fc01 AD |
374 | get_random_bytes(buf_ptr, 6); |
375 | *(buf_ptr+7) = 1; | |
376 | } else { | |
377 | iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255); | |
378 | } | |
379 | ||
380 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
381 | usb_sndbulkpipe(port->serial->dev, | |
382 | port->bulk_out_endpointAddress), | |
383 | port->write_urb->transfer_buffer, 8 , | |
384 | iuu_rxcmd, port); | |
385 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
386 | } | |
387 | ||
388 | static void iuu_led_activity_off(struct urb *urb) | |
389 | { | |
cdc97792 | 390 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
391 | int result; |
392 | char *buf_ptr = port->write_urb->transfer_buffer; | |
ce9d8562 | 393 | if (xmas) { |
60a8fc01 AD |
394 | iuu_rxcmd(urb); |
395 | return; | |
396 | } else { | |
397 | *buf_ptr++ = IUU_SET_LED; | |
398 | iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255); | |
399 | } | |
400 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
401 | usb_sndbulkpipe(port->serial->dev, | |
402 | port->bulk_out_endpointAddress), | |
403 | port->write_urb->transfer_buffer, 8 , | |
404 | iuu_rxcmd, port); | |
405 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
406 | } | |
407 | ||
408 | ||
409 | ||
410 | static int iuu_clk(struct usb_serial_port *port, int dwFrq) | |
411 | { | |
412 | int status; | |
413 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
414 | int Count = 0; | |
415 | u8 FrqGenAdr = 0x69; | |
416 | u8 DIV = 0; /* 8bit */ | |
417 | u8 XDRV = 0; /* 8bit */ | |
418 | u8 PUMP = 0; /* 3bit */ | |
419 | u8 PBmsb = 0; /* 2bit */ | |
420 | u8 PBlsb = 0; /* 8bit */ | |
421 | u8 PO = 0; /* 1bit */ | |
422 | u8 Q = 0; /* 7bit */ | |
423 | /* 24bit = 3bytes */ | |
424 | unsigned int P = 0; | |
425 | unsigned int P2 = 0; | |
426 | int frq = (int)dwFrq; | |
427 | ||
60a8fc01 AD |
428 | if (frq == 0) { |
429 | priv->buf[Count++] = IUU_UART_WRITE_I2C; | |
430 | priv->buf[Count++] = FrqGenAdr << 1; | |
431 | priv->buf[Count++] = 0x09; | |
432 | priv->buf[Count++] = 0x00; | |
433 | ||
434 | status = bulk_immediate(port, (u8 *) priv->buf, Count); | |
435 | if (status != 0) { | |
2621cee1 | 436 | dev_dbg(&port->dev, "%s - write error\n", __func__); |
60a8fc01 AD |
437 | return status; |
438 | } | |
439 | } else if (frq == 3579000) { | |
440 | DIV = 100; | |
441 | P = 1193; | |
442 | Q = 40; | |
443 | XDRV = 0; | |
444 | } else if (frq == 3680000) { | |
445 | DIV = 105; | |
446 | P = 161; | |
447 | Q = 5; | |
448 | XDRV = 0; | |
449 | } else if (frq == 6000000) { | |
450 | DIV = 66; | |
451 | P = 66; | |
452 | Q = 2; | |
453 | XDRV = 0x28; | |
454 | } else { | |
455 | unsigned int result = 0; | |
456 | unsigned int tmp = 0; | |
457 | unsigned int check; | |
458 | unsigned int check2; | |
459 | char found = 0x00; | |
460 | unsigned int lQ = 2; | |
461 | unsigned int lP = 2055; | |
462 | unsigned int lDiv = 4; | |
463 | ||
464 | for (lQ = 2; lQ <= 47 && !found; lQ++) | |
465 | for (lP = 2055; lP >= 8 && !found; lP--) | |
466 | for (lDiv = 4; lDiv <= 127 && !found; lDiv++) { | |
467 | tmp = (12000000 / lDiv) * (lP / lQ); | |
468 | if (abs((int)(tmp - frq)) < | |
469 | abs((int)(frq - result))) { | |
470 | check2 = (12000000 / lQ); | |
471 | if (check2 < 250000) | |
472 | continue; | |
473 | check = (12000000 / lQ) * lP; | |
474 | if (check > 400000000) | |
475 | continue; | |
476 | if (check < 100000000) | |
477 | continue; | |
478 | if (lDiv < 4 || lDiv > 127) | |
479 | continue; | |
480 | result = tmp; | |
481 | P = lP; | |
482 | DIV = lDiv; | |
483 | Q = lQ; | |
484 | if (result == frq) | |
485 | found = 0x01; | |
486 | } | |
487 | } | |
488 | } | |
489 | P2 = ((P - PO) / 2) - 4; | |
490 | DIV = DIV; | |
491 | PUMP = 0x04; | |
492 | PBmsb = (P2 >> 8 & 0x03); | |
493 | PBlsb = P2 & 0xFF; | |
494 | PO = (P >> 10) & 0x01; | |
495 | Q = Q - 2; | |
496 | ||
497 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
498 | priv->buf[Count++] = FrqGenAdr << 1; | |
499 | priv->buf[Count++] = 0x09; | |
500 | priv->buf[Count++] = 0x20; /* Adr = 0x09 */ | |
501 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
502 | priv->buf[Count++] = FrqGenAdr << 1; | |
503 | priv->buf[Count++] = 0x0C; | |
504 | priv->buf[Count++] = DIV; /* Adr = 0x0C */ | |
505 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
506 | priv->buf[Count++] = FrqGenAdr << 1; | |
507 | priv->buf[Count++] = 0x12; | |
508 | priv->buf[Count++] = XDRV; /* Adr = 0x12 */ | |
509 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
510 | priv->buf[Count++] = FrqGenAdr << 1; | |
511 | priv->buf[Count++] = 0x13; | |
512 | priv->buf[Count++] = 0x6B; /* Adr = 0x13 */ | |
513 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
514 | priv->buf[Count++] = FrqGenAdr << 1; | |
515 | priv->buf[Count++] = 0x40; | |
516 | priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) | | |
517 | (PBmsb & 0x03); /* Adr = 0x40 */ | |
518 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
519 | priv->buf[Count++] = FrqGenAdr << 1; | |
520 | priv->buf[Count++] = 0x41; | |
521 | priv->buf[Count++] = PBlsb; /* Adr = 0x41 */ | |
522 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
523 | priv->buf[Count++] = FrqGenAdr << 1; | |
524 | priv->buf[Count++] = 0x42; | |
525 | priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */ | |
526 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
527 | priv->buf[Count++] = FrqGenAdr << 1; | |
528 | priv->buf[Count++] = 0x44; | |
529 | priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */ | |
530 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
531 | priv->buf[Count++] = FrqGenAdr << 1; | |
532 | priv->buf[Count++] = 0x45; | |
533 | priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */ | |
534 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
535 | priv->buf[Count++] = FrqGenAdr << 1; | |
536 | priv->buf[Count++] = 0x46; | |
537 | priv->buf[Count++] = 0x7F; /* Adr = 0x46 */ | |
538 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
539 | priv->buf[Count++] = FrqGenAdr << 1; | |
540 | priv->buf[Count++] = 0x47; | |
541 | priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */ | |
542 | ||
543 | status = bulk_immediate(port, (u8 *) priv->buf, Count); | |
544 | if (status != IUU_OPERATION_OK) | |
2621cee1 | 545 | dev_dbg(&port->dev, "%s - write error\n", __func__); |
60a8fc01 AD |
546 | return status; |
547 | } | |
548 | ||
549 | static int iuu_uart_flush(struct usb_serial_port *port) | |
550 | { | |
2621cee1 | 551 | struct device *dev = &port->dev; |
60a8fc01 AD |
552 | int i; |
553 | int status; | |
554 | u8 rxcmd = IUU_UART_RX; | |
555 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
556 | ||
60a8fc01 AD |
557 | if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0) |
558 | return -EIO; | |
559 | ||
560 | for (i = 0; i < 2; i++) { | |
561 | status = bulk_immediate(port, &rxcmd, 1); | |
562 | if (status != IUU_OPERATION_OK) { | |
2621cee1 | 563 | dev_dbg(dev, "%s - uart_flush_write error\n", __func__); |
60a8fc01 AD |
564 | return status; |
565 | } | |
566 | ||
567 | status = read_immediate(port, &priv->len, 1); | |
568 | if (status != IUU_OPERATION_OK) { | |
2621cee1 | 569 | dev_dbg(dev, "%s - uart_flush_read error\n", __func__); |
60a8fc01 AD |
570 | return status; |
571 | } | |
572 | ||
573 | if (priv->len > 0) { | |
2621cee1 | 574 | dev_dbg(dev, "%s - uart_flush datalen is : %i\n", __func__, priv->len); |
60a8fc01 AD |
575 | status = read_immediate(port, priv->buf, priv->len); |
576 | if (status != IUU_OPERATION_OK) { | |
2621cee1 | 577 | dev_dbg(dev, "%s - uart_flush_read error\n", __func__); |
60a8fc01 AD |
578 | return status; |
579 | } | |
580 | } | |
581 | } | |
2621cee1 | 582 | dev_dbg(dev, "%s - uart_flush_read OK!\n", __func__); |
60a8fc01 AD |
583 | iuu_led(port, 0, 0xF000, 0, 0xFF); |
584 | return status; | |
585 | } | |
586 | ||
587 | static void read_buf_callback(struct urb *urb) | |
588 | { | |
cdc97792 | 589 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 590 | unsigned char *data = urb->transfer_buffer; |
50de36f7 | 591 | int status = urb->status; |
60a8fc01 | 592 | |
50de36f7 GKH |
593 | if (status) { |
594 | if (status == -EPROTO) { | |
60a8fc01 AD |
595 | /* reschedule needed */ |
596 | } | |
597 | return; | |
598 | } | |
599 | ||
2621cee1 | 600 | dev_dbg(&port->dev, "%s - %i chars to write\n", __func__, urb->actual_length); |
60a8fc01 | 601 | if (data == NULL) |
2621cee1 | 602 | dev_dbg(&port->dev, "%s - data is NULL !!!\n", __func__); |
2e124b4a | 603 | if (urb->actual_length && data) { |
05c7cd39 | 604 | tty_insert_flip_string(&port->port, data, urb->actual_length); |
2e124b4a | 605 | tty_flip_buffer_push(&port->port); |
60a8fc01 AD |
606 | } |
607 | iuu_led_activity_on(urb); | |
608 | } | |
609 | ||
610 | static int iuu_bulk_write(struct usb_serial_port *port) | |
611 | { | |
612 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 613 | unsigned long flags; |
60a8fc01 | 614 | int result; |
5fcf62b0 | 615 | int buf_len; |
60a8fc01 | 616 | char *buf_ptr = port->write_urb->transfer_buffer; |
60a8fc01 | 617 | |
5fcf62b0 | 618 | spin_lock_irqsave(&priv->lock, flags); |
60a8fc01 AD |
619 | *buf_ptr++ = IUU_UART_ESC; |
620 | *buf_ptr++ = IUU_UART_TX; | |
621 | *buf_ptr++ = priv->writelen; | |
622 | ||
5fcf62b0 OB |
623 | memcpy(buf_ptr, priv->writebuf, priv->writelen); |
624 | buf_len = priv->writelen; | |
625 | priv->writelen = 0; | |
626 | spin_unlock_irqrestore(&priv->lock, flags); | |
2621cee1 GKH |
627 | dev_dbg(&port->dev, "%s - writing %i chars : %*ph\n", __func__, |
628 | buf_len, buf_len, buf_ptr); | |
60a8fc01 AD |
629 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, |
630 | usb_sndbulkpipe(port->serial->dev, | |
631 | port->bulk_out_endpointAddress), | |
5fcf62b0 | 632 | port->write_urb->transfer_buffer, buf_len + 3, |
60a8fc01 AD |
633 | iuu_rxcmd, port); |
634 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
60a8fc01 AD |
635 | usb_serial_port_softint(port); |
636 | return result; | |
637 | } | |
638 | ||
639 | static int iuu_read_buf(struct usb_serial_port *port, int len) | |
640 | { | |
641 | int result; | |
60a8fc01 AD |
642 | |
643 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
644 | usb_rcvbulkpipe(port->serial->dev, | |
645 | port->bulk_in_endpointAddress), | |
646 | port->read_urb->transfer_buffer, len, | |
647 | read_buf_callback, port); | |
648 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
649 | return result; | |
650 | } | |
651 | ||
652 | static void iuu_uart_read_callback(struct urb *urb) | |
653 | { | |
cdc97792 | 654 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 655 | struct iuu_private *priv = usb_get_serial_port_data(port); |
8594303a | 656 | unsigned long flags; |
50de36f7 | 657 | int status = urb->status; |
60a8fc01 AD |
658 | int error = 0; |
659 | int len = 0; | |
660 | unsigned char *data = urb->transfer_buffer; | |
661 | priv->poll++; | |
662 | ||
50de36f7 | 663 | if (status) { |
2621cee1 | 664 | dev_dbg(&port->dev, "%s - status = %d\n", __func__, status); |
60a8fc01 AD |
665 | /* error stop all */ |
666 | return; | |
667 | } | |
668 | if (data == NULL) | |
2621cee1 | 669 | dev_dbg(&port->dev, "%s - data is NULL !!!\n", __func__); |
60a8fc01 AD |
670 | |
671 | if (urb->actual_length == 1 && data != NULL) | |
672 | len = (int) data[0]; | |
673 | ||
674 | if (urb->actual_length > 1) { | |
2621cee1 | 675 | dev_dbg(&port->dev, "%s - urb->actual_length = %i\n", __func__, |
60a8fc01 AD |
676 | urb->actual_length); |
677 | error = 1; | |
678 | return; | |
679 | } | |
680 | /* if len > 0 call readbuf */ | |
681 | ||
682 | if (len > 0 && error == 0) { | |
2621cee1 | 683 | dev_dbg(&port->dev, "%s - call read buf - len to read is %i\n", |
441b62c1 | 684 | __func__, len); |
60a8fc01 AD |
685 | status = iuu_read_buf(port, len); |
686 | return; | |
687 | } | |
688 | /* need to update status ? */ | |
689 | if (priv->poll > 99) { | |
690 | status = iuu_status(port); | |
691 | priv->poll = 0; | |
692 | return; | |
693 | } | |
694 | ||
695 | /* reset waiting ? */ | |
696 | ||
697 | if (priv->reset == 1) { | |
698 | status = iuu_reset(port, 0xC); | |
699 | return; | |
700 | } | |
701 | /* Writebuf is waiting */ | |
702 | spin_lock_irqsave(&priv->lock, flags); | |
703 | if (priv->writelen > 0) { | |
704 | spin_unlock_irqrestore(&priv->lock, flags); | |
705 | status = iuu_bulk_write(port); | |
706 | return; | |
707 | } | |
708 | spin_unlock_irqrestore(&priv->lock, flags); | |
709 | /* if nothing to write call again rxcmd */ | |
2621cee1 | 710 | dev_dbg(&port->dev, "%s - rxcmd recall\n", __func__); |
60a8fc01 | 711 | iuu_led_activity_off(urb); |
60a8fc01 AD |
712 | } |
713 | ||
95da310e AC |
714 | static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port, |
715 | const u8 *buf, int count) | |
60a8fc01 AD |
716 | { |
717 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 718 | unsigned long flags; |
60a8fc01 AD |
719 | |
720 | if (count > 256) | |
721 | return -ENOMEM; | |
722 | ||
723 | spin_lock_irqsave(&priv->lock, flags); | |
5fcf62b0 | 724 | |
60a8fc01 | 725 | /* fill the buffer */ |
5fcf62b0 OB |
726 | memcpy(priv->writebuf + priv->writelen, buf, count); |
727 | priv->writelen += count; | |
60a8fc01 AD |
728 | spin_unlock_irqrestore(&priv->lock, flags); |
729 | ||
9e8e2d2a | 730 | return count; |
60a8fc01 AD |
731 | } |
732 | ||
733 | static void read_rxcmd_callback(struct urb *urb) | |
734 | { | |
cdc97792 | 735 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 736 | int result; |
50de36f7 | 737 | int status = urb->status; |
60a8fc01 | 738 | |
50de36f7 | 739 | if (status) { |
60a8fc01 AD |
740 | /* error stop all */ |
741 | return; | |
742 | } | |
743 | ||
744 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
745 | usb_rcvbulkpipe(port->serial->dev, | |
746 | port->bulk_in_endpointAddress), | |
747 | port->read_urb->transfer_buffer, 256, | |
748 | iuu_uart_read_callback, port); | |
749 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
2621cee1 | 750 | dev_dbg(&port->dev, "%s - submit result = %d\n", __func__, result); |
60a8fc01 AD |
751 | } |
752 | ||
753 | static int iuu_uart_on(struct usb_serial_port *port) | |
754 | { | |
755 | int status; | |
756 | u8 *buf; | |
757 | ||
758 | buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL); | |
759 | ||
760 | if (!buf) | |
761 | return -ENOMEM; | |
762 | ||
763 | buf[0] = IUU_UART_ENABLE; | |
764 | buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF); | |
765 | buf[2] = (u8) (0x00FF & IUU_BAUD_9600); | |
cc3447d1 | 766 | buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN); |
60a8fc01 AD |
767 | |
768 | status = bulk_immediate(port, buf, 4); | |
769 | if (status != IUU_OPERATION_OK) { | |
2621cee1 | 770 | dev_dbg(&port->dev, "%s - uart_on error\n", __func__); |
60a8fc01 AD |
771 | goto uart_enable_failed; |
772 | } | |
773 | /* iuu_reset() the card after iuu_uart_on() */ | |
774 | status = iuu_uart_flush(port); | |
775 | if (status != IUU_OPERATION_OK) | |
2621cee1 | 776 | dev_dbg(&port->dev, "%s - uart_flush error\n", __func__); |
60a8fc01 AD |
777 | uart_enable_failed: |
778 | kfree(buf); | |
779 | return status; | |
780 | } | |
781 | ||
cd8c5053 | 782 | /* Disables the IUU UART (a.k.a. the Phoenix voiderface) */ |
60a8fc01 AD |
783 | static int iuu_uart_off(struct usb_serial_port *port) |
784 | { | |
785 | int status; | |
786 | u8 *buf; | |
787 | buf = kmalloc(1, GFP_KERNEL); | |
788 | if (!buf) | |
789 | return -ENOMEM; | |
790 | buf[0] = IUU_UART_DISABLE; | |
791 | ||
792 | status = bulk_immediate(port, buf, 1); | |
793 | if (status != IUU_OPERATION_OK) | |
2621cee1 | 794 | dev_dbg(&port->dev, "%s - uart_off error\n", __func__); |
60a8fc01 AD |
795 | |
796 | kfree(buf); | |
797 | return status; | |
798 | } | |
799 | ||
89b54397 | 800 | static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base, |
60a8fc01 AD |
801 | u32 *actual, u8 parity) |
802 | { | |
803 | int status; | |
89b54397 | 804 | u32 baud; |
60a8fc01 AD |
805 | u8 *dataout; |
806 | u8 DataCount = 0; | |
807 | u8 T1Frekvens = 0; | |
808 | u8 T1reload = 0; | |
809 | unsigned int T1FrekvensHZ = 0; | |
810 | ||
2621cee1 | 811 | dev_dbg(&port->dev, "%s - enter baud_base=%d\n", __func__, baud_base); |
60a8fc01 AD |
812 | dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL); |
813 | ||
814 | if (!dataout) | |
815 | return -ENOMEM; | |
89b54397 JCD |
816 | /*baud = (((priv->clk / 35) * baud_base) / 100000); */ |
817 | baud = baud_base; | |
60a8fc01 AD |
818 | |
819 | if (baud < 1200 || baud > 230400) { | |
820 | kfree(dataout); | |
821 | return IUU_INVALID_PARAMETER; | |
822 | } | |
823 | if (baud > 977) { | |
824 | T1Frekvens = 3; | |
825 | T1FrekvensHZ = 500000; | |
826 | } | |
827 | ||
828 | if (baud > 3906) { | |
829 | T1Frekvens = 2; | |
830 | T1FrekvensHZ = 2000000; | |
831 | } | |
832 | ||
833 | if (baud > 11718) { | |
834 | T1Frekvens = 1; | |
835 | T1FrekvensHZ = 6000000; | |
836 | } | |
837 | ||
838 | if (baud > 46875) { | |
839 | T1Frekvens = 0; | |
840 | T1FrekvensHZ = 24000000; | |
841 | } | |
842 | ||
843 | T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2)); | |
844 | ||
845 | /* magic number here: ENTER_FIRMWARE_UPDATE; */ | |
846 | dataout[DataCount++] = IUU_UART_ESC; | |
847 | /* magic number here: CHANGE_BAUD; */ | |
848 | dataout[DataCount++] = IUU_UART_CHANGE; | |
849 | dataout[DataCount++] = T1Frekvens; | |
850 | dataout[DataCount++] = T1reload; | |
851 | ||
852 | *actual = (T1FrekvensHZ / (256 - T1reload)) / 2; | |
853 | ||
854 | switch (parity & 0x0F) { | |
855 | case IUU_PARITY_NONE: | |
856 | dataout[DataCount++] = 0x00; | |
857 | break; | |
858 | case IUU_PARITY_EVEN: | |
859 | dataout[DataCount++] = 0x01; | |
860 | break; | |
861 | case IUU_PARITY_ODD: | |
862 | dataout[DataCount++] = 0x02; | |
863 | break; | |
864 | case IUU_PARITY_MARK: | |
865 | dataout[DataCount++] = 0x03; | |
866 | break; | |
867 | case IUU_PARITY_SPACE: | |
868 | dataout[DataCount++] = 0x04; | |
869 | break; | |
870 | default: | |
871 | kfree(dataout); | |
872 | return IUU_INVALID_PARAMETER; | |
873 | break; | |
874 | } | |
875 | ||
876 | switch (parity & 0xF0) { | |
877 | case IUU_ONE_STOP_BIT: | |
878 | dataout[DataCount - 1] |= IUU_ONE_STOP_BIT; | |
879 | break; | |
880 | ||
881 | case IUU_TWO_STOP_BITS: | |
882 | dataout[DataCount - 1] |= IUU_TWO_STOP_BITS; | |
883 | break; | |
884 | default: | |
885 | kfree(dataout); | |
886 | return IUU_INVALID_PARAMETER; | |
887 | break; | |
888 | } | |
889 | ||
890 | status = bulk_immediate(port, dataout, DataCount); | |
891 | if (status != IUU_OPERATION_OK) | |
2621cee1 | 892 | dev_dbg(&port->dev, "%s - uart_off error\n", __func__); |
60a8fc01 AD |
893 | kfree(dataout); |
894 | return status; | |
895 | } | |
896 | ||
96dab77e OB |
897 | static void iuu_set_termios(struct tty_struct *tty, |
898 | struct usb_serial_port *port, struct ktermios *old_termios) | |
899 | { | |
900 | const u32 supported_mask = CMSPAR|PARENB|PARODD; | |
89b54397 | 901 | struct iuu_private *priv = usb_get_serial_port_data(port); |
adc8d746 | 902 | unsigned int cflag = tty->termios.c_cflag; |
96dab77e OB |
903 | int status; |
904 | u32 actual; | |
905 | u32 parity; | |
906 | int csize = CS7; | |
89b54397 | 907 | int baud; |
96dab77e OB |
908 | u32 newval = cflag & supported_mask; |
909 | ||
89b54397 | 910 | /* Just use the ospeed. ispeed should be the same. */ |
adc8d746 | 911 | baud = tty->termios.c_ospeed; |
89b54397 | 912 | |
2621cee1 | 913 | dev_dbg(&port->dev, "%s - enter c_ospeed or baud=%d\n", __func__, baud); |
89b54397 | 914 | |
96dab77e OB |
915 | /* compute the parity parameter */ |
916 | parity = 0; | |
917 | if (cflag & CMSPAR) { /* Using mark space */ | |
918 | if (cflag & PARODD) | |
919 | parity |= IUU_PARITY_SPACE; | |
920 | else | |
921 | parity |= IUU_PARITY_MARK; | |
922 | } else if (!(cflag & PARENB)) { | |
923 | parity |= IUU_PARITY_NONE; | |
924 | csize = CS8; | |
925 | } else if (cflag & PARODD) | |
926 | parity |= IUU_PARITY_ODD; | |
927 | else | |
928 | parity |= IUU_PARITY_EVEN; | |
929 | ||
930 | parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT); | |
931 | ||
932 | /* set it */ | |
933 | status = iuu_uart_baud(port, | |
89b54397 | 934 | baud * priv->boost / 100, |
96dab77e OB |
935 | &actual, parity); |
936 | ||
937 | /* set the termios value to the real one, so the user now what has | |
938 | * changed. We support few fields so its easies to copy the old hw | |
939 | * settings back over and then adjust them | |
940 | */ | |
89b54397 | 941 | if (old_termios) |
adc8d746 | 942 | tty_termios_copy_hw(&tty->termios, old_termios); |
96dab77e OB |
943 | if (status != 0) /* Set failed - return old bits */ |
944 | return; | |
945 | /* Re-encode speed, parity and csize */ | |
946 | tty_encode_baud_rate(tty, baud, baud); | |
adc8d746 AC |
947 | tty->termios.c_cflag &= ~(supported_mask|CSIZE); |
948 | tty->termios.c_cflag |= newval | csize; | |
96dab77e OB |
949 | } |
950 | ||
335f8514 | 951 | static void iuu_close(struct usb_serial_port *port) |
60a8fc01 AD |
952 | { |
953 | /* iuu_led (port,255,0,0,0); */ | |
60a8fc01 | 954 | |
60a8fc01 | 955 | iuu_uart_off(port); |
853127fa JH |
956 | |
957 | usb_kill_urb(port->write_urb); | |
958 | usb_kill_urb(port->read_urb); | |
959 | ||
960 | iuu_led(port, 0, 0, 0xF000, 0xFF); | |
60a8fc01 AD |
961 | } |
962 | ||
fe1ae7fd AC |
963 | static void iuu_init_termios(struct tty_struct *tty) |
964 | { | |
adc8d746 AC |
965 | tty->termios = tty_std_termios; |
966 | tty->termios.c_cflag = CLOCAL | CREAD | CS8 | B9600 | |
fe1ae7fd | 967 | | TIOCM_CTS | CSTOPB | PARENB; |
adc8d746 AC |
968 | tty->termios.c_ispeed = 9600; |
969 | tty->termios.c_ospeed = 9600; | |
970 | tty->termios.c_lflag = 0; | |
971 | tty->termios.c_oflag = 0; | |
972 | tty->termios.c_iflag = 0; | |
fe1ae7fd AC |
973 | } |
974 | ||
a509a7e4 | 975 | static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) |
60a8fc01 AD |
976 | { |
977 | struct usb_serial *serial = port->serial; | |
2621cee1 | 978 | struct device *dev = &port->dev; |
60a8fc01 AD |
979 | u8 *buf; |
980 | int result; | |
89b54397 | 981 | int baud; |
60a8fc01 | 982 | u32 actual; |
60a8fc01 AD |
983 | struct iuu_private *priv = usb_get_serial_port_data(port); |
984 | ||
adc8d746 AC |
985 | baud = tty->termios.c_ospeed; |
986 | tty->termios.c_ispeed = baud; | |
89b54397 JCD |
987 | /* Re-encode speed */ |
988 | tty_encode_baud_rate(tty, baud, baud); | |
989 | ||
2621cee1 | 990 | dev_dbg(dev, "%s - baud %d\n", __func__, baud); |
60a8fc01 AD |
991 | usb_clear_halt(serial->dev, port->write_urb->pipe); |
992 | usb_clear_halt(serial->dev, port->read_urb->pipe); | |
993 | ||
994 | buf = kmalloc(10, GFP_KERNEL); | |
995 | if (buf == NULL) | |
996 | return -ENOMEM; | |
997 | ||
fe1ae7fd | 998 | priv->poll = 0; |
60a8fc01 AD |
999 | |
1000 | /* initialize writebuf */ | |
1001 | #define FISH(a, b, c, d) do { \ | |
1002 | result = usb_control_msg(port->serial->dev, \ | |
1003 | usb_rcvctrlpipe(port->serial->dev, 0), \ | |
1004 | b, a, c, d, buf, 1, 1000); \ | |
2621cee1 | 1005 | dev_dbg(dev, "0x%x:0x%x:0x%x:0x%x %d - %x\n", a, b, c, d, result, \ |
60a8fc01 AD |
1006 | buf[0]); } while (0); |
1007 | ||
1008 | #define SOUP(a, b, c, d) do { \ | |
1009 | result = usb_control_msg(port->serial->dev, \ | |
1010 | usb_sndctrlpipe(port->serial->dev, 0), \ | |
1011 | b, a, c, d, NULL, 0, 1000); \ | |
2621cee1 | 1012 | dev_dbg(dev, "0x%x:0x%x:0x%x:0x%x %d\n", a, b, c, d, result); } while (0) |
60a8fc01 AD |
1013 | |
1014 | /* This is not UART related but IUU USB driver related or something */ | |
1015 | /* like that. Basically no IUU will accept any commands from the USB */ | |
1016 | /* host unless it has received the following message */ | |
1017 | /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */ | |
1018 | ||
1019 | SOUP(0x03, 0x02, 0x02, 0x0); | |
1020 | kfree(buf); | |
1021 | iuu_led(port, 0xF000, 0xF000, 0, 0xFF); | |
1022 | iuu_uart_on(port); | |
1023 | if (boost < 100) | |
1024 | boost = 100; | |
89b54397 JCD |
1025 | priv->boost = boost; |
1026 | priv->baud = baud; | |
60a8fc01 AD |
1027 | switch (clockmode) { |
1028 | case 2: /* 3.680 Mhz */ | |
89b54397 | 1029 | priv->clk = IUU_CLK_3680000; |
60a8fc01 AD |
1030 | iuu_clk(port, IUU_CLK_3680000 * boost / 100); |
1031 | result = | |
89b54397 | 1032 | iuu_uart_baud(port, baud * boost / 100, &actual, |
60a8fc01 AD |
1033 | IUU_PARITY_EVEN); |
1034 | break; | |
1035 | case 3: /* 6.00 Mhz */ | |
1036 | iuu_clk(port, IUU_CLK_6000000 * boost / 100); | |
89b54397 JCD |
1037 | priv->clk = IUU_CLK_6000000; |
1038 | /* Ratio of 6000000 to 3500000 for baud 9600 */ | |
60a8fc01 AD |
1039 | result = |
1040 | iuu_uart_baud(port, 16457 * boost / 100, &actual, | |
1041 | IUU_PARITY_EVEN); | |
1042 | break; | |
1043 | default: /* 3.579 Mhz */ | |
1044 | iuu_clk(port, IUU_CLK_3579000 * boost / 100); | |
89b54397 | 1045 | priv->clk = IUU_CLK_3579000; |
60a8fc01 | 1046 | result = |
89b54397 | 1047 | iuu_uart_baud(port, baud * boost / 100, &actual, |
60a8fc01 AD |
1048 | IUU_PARITY_EVEN); |
1049 | } | |
1050 | ||
1051 | /* set the cardin cardout signals */ | |
1052 | switch (cdmode) { | |
1053 | case 0: | |
1054 | iuu_cardin = 0; | |
1055 | iuu_cardout = 0; | |
1056 | break; | |
1057 | case 1: | |
1058 | iuu_cardin = TIOCM_CD; | |
1059 | iuu_cardout = 0; | |
1060 | break; | |
1061 | case 2: | |
1062 | iuu_cardin = 0; | |
1063 | iuu_cardout = TIOCM_CD; | |
1064 | break; | |
1065 | case 3: | |
1066 | iuu_cardin = TIOCM_DSR; | |
1067 | iuu_cardout = 0; | |
1068 | break; | |
1069 | case 4: | |
1070 | iuu_cardin = 0; | |
1071 | iuu_cardout = TIOCM_DSR; | |
1072 | break; | |
1073 | case 5: | |
1074 | iuu_cardin = TIOCM_CTS; | |
1075 | iuu_cardout = 0; | |
1076 | break; | |
1077 | case 6: | |
1078 | iuu_cardin = 0; | |
1079 | iuu_cardout = TIOCM_CTS; | |
1080 | break; | |
1081 | case 7: | |
1082 | iuu_cardin = TIOCM_RNG; | |
1083 | iuu_cardout = 0; | |
1084 | break; | |
1085 | case 8: | |
1086 | iuu_cardin = 0; | |
1087 | iuu_cardout = TIOCM_RNG; | |
1088 | } | |
1089 | ||
1090 | iuu_uart_flush(port); | |
1091 | ||
2621cee1 | 1092 | dev_dbg(dev, "%s - initialization done\n", __func__); |
60a8fc01 AD |
1093 | |
1094 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); | |
1095 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
1096 | usb_sndbulkpipe(port->serial->dev, | |
1097 | port->bulk_out_endpointAddress), | |
1098 | port->write_urb->transfer_buffer, 1, | |
1099 | read_rxcmd_callback, port); | |
1100 | result = usb_submit_urb(port->write_urb, GFP_KERNEL); | |
60a8fc01 | 1101 | if (result) { |
2621cee1 | 1102 | dev_err(dev, "%s - failed submitting read urb, error %d\n", __func__, result); |
335f8514 | 1103 | iuu_close(port); |
60a8fc01 | 1104 | } else { |
2621cee1 | 1105 | dev_dbg(dev, "%s - rxcmd OK\n", __func__); |
60a8fc01 | 1106 | } |
b58a6462 | 1107 | |
60a8fc01 AD |
1108 | return result; |
1109 | } | |
1110 | ||
20eda943 OB |
1111 | /* how to change VCC */ |
1112 | static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc) | |
1113 | { | |
1114 | int status; | |
1115 | u8 *buf; | |
1116 | ||
1117 | buf = kmalloc(5, GFP_KERNEL); | |
1118 | if (!buf) | |
1119 | return -ENOMEM; | |
1120 | ||
20eda943 OB |
1121 | buf[0] = IUU_SET_VCC; |
1122 | buf[1] = vcc & 0xFF; | |
1123 | buf[2] = (vcc >> 8) & 0xFF; | |
1124 | buf[3] = (vcc >> 16) & 0xFF; | |
1125 | buf[4] = (vcc >> 24) & 0xFF; | |
1126 | ||
1127 | status = bulk_immediate(port, buf, 5); | |
1128 | kfree(buf); | |
1129 | ||
1130 | if (status != IUU_OPERATION_OK) | |
2621cee1 | 1131 | dev_dbg(&port->dev, "%s - vcc error status = %2x\n", __func__, status); |
20eda943 | 1132 | else |
2621cee1 | 1133 | dev_dbg(&port->dev, "%s - vcc OK !\n", __func__); |
20eda943 OB |
1134 | |
1135 | return status; | |
1136 | } | |
1137 | ||
1138 | /* | |
1139 | * Sysfs Attributes | |
1140 | */ | |
1141 | ||
154547c4 | 1142 | static ssize_t vcc_mode_show(struct device *dev, |
20eda943 OB |
1143 | struct device_attribute *attr, char *buf) |
1144 | { | |
1145 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1146 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
1147 | ||
1148 | return sprintf(buf, "%d\n", priv->vcc); | |
1149 | } | |
1150 | ||
154547c4 | 1151 | static ssize_t vcc_mode_store(struct device *dev, |
20eda943 OB |
1152 | struct device_attribute *attr, const char *buf, size_t count) |
1153 | { | |
1154 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1155 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
1156 | unsigned long v; | |
1157 | ||
487c151a | 1158 | if (kstrtoul(buf, 10, &v)) { |
20eda943 OB |
1159 | dev_err(dev, "%s - vcc_mode: %s is not a unsigned long\n", |
1160 | __func__, buf); | |
1161 | goto fail_store_vcc_mode; | |
1162 | } | |
1163 | ||
d9a38a87 | 1164 | dev_dbg(dev, "%s: setting vcc_mode = %ld\n", __func__, v); |
20eda943 OB |
1165 | |
1166 | if ((v != 3) && (v != 5)) { | |
1167 | dev_err(dev, "%s - vcc_mode %ld is invalid\n", __func__, v); | |
1168 | } else { | |
1169 | iuu_vcc_set(port, v); | |
1170 | priv->vcc = v; | |
1171 | } | |
1172 | fail_store_vcc_mode: | |
1173 | return count; | |
1174 | } | |
154547c4 | 1175 | static DEVICE_ATTR_RW(vcc_mode); |
20eda943 OB |
1176 | |
1177 | static int iuu_create_sysfs_attrs(struct usb_serial_port *port) | |
1178 | { | |
20eda943 OB |
1179 | return device_create_file(&port->dev, &dev_attr_vcc_mode); |
1180 | } | |
1181 | ||
1182 | static int iuu_remove_sysfs_attrs(struct usb_serial_port *port) | |
1183 | { | |
20eda943 OB |
1184 | device_remove_file(&port->dev, &dev_attr_vcc_mode); |
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | /* | |
1189 | * End Sysfs Attributes | |
1190 | */ | |
1191 | ||
60a8fc01 AD |
1192 | static struct usb_serial_driver iuu_device = { |
1193 | .driver = { | |
1194 | .owner = THIS_MODULE, | |
1195 | .name = "iuu_phoenix", | |
1196 | }, | |
1197 | .id_table = id_table, | |
60a8fc01 | 1198 | .num_ports = 1, |
bbcb2b90 JH |
1199 | .bulk_in_size = 512, |
1200 | .bulk_out_size = 512, | |
60a8fc01 AD |
1201 | .open = iuu_open, |
1202 | .close = iuu_close, | |
1203 | .write = iuu_uart_write, | |
1204 | .read_bulk_callback = iuu_uart_read_callback, | |
1205 | .tiocmget = iuu_tiocmget, | |
1206 | .tiocmset = iuu_tiocmset, | |
96dab77e | 1207 | .set_termios = iuu_set_termios, |
fe1ae7fd | 1208 | .init_termios = iuu_init_termios, |
90507d54 | 1209 | .attach = iuu_attach, |
53636555 JH |
1210 | .port_probe = iuu_port_probe, |
1211 | .port_remove = iuu_port_remove, | |
60a8fc01 AD |
1212 | }; |
1213 | ||
7dbe2460 AS |
1214 | static struct usb_serial_driver * const serial_drivers[] = { |
1215 | &iuu_device, NULL | |
1216 | }; | |
1217 | ||
68e24113 | 1218 | module_usb_serial_driver(serial_drivers, id_table); |
60a8fc01 AD |
1219 | |
1220 | MODULE_AUTHOR("Alain Degreffe eczema@ecze.com"); | |
1221 | ||
1222 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1223 | MODULE_LICENSE("GPL"); | |
1224 | ||
60a8fc01 | 1225 | module_param(xmas, bool, S_IRUGO | S_IWUSR); |
8844a32d | 1226 | MODULE_PARM_DESC(xmas, "Xmas colors enabled or not"); |
60a8fc01 AD |
1227 | |
1228 | module_param(boost, int, S_IRUGO | S_IWUSR); | |
8844a32d | 1229 | MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)"); |
60a8fc01 AD |
1230 | |
1231 | module_param(clockmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1232 | MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, " |
1233 | "3=6 Mhz)"); | |
60a8fc01 AD |
1234 | |
1235 | module_param(cdmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1236 | MODULE_PARM_DESC(cdmode, "Card detect mode (0=none, 1=CD, 2=!CD, 3=DSR, " |
1237 | "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING)"); | |
e55c6d06 OB |
1238 | |
1239 | module_param(vcc_default, int, S_IRUGO | S_IWUSR); | |
1240 | MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 " | |
1241 | "for 5V). Default to 5."); |