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