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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 | |
90ab5ee9 | 37 | static bool debug = 1; |
60a8fc01 | 38 | #else |
90ab5ee9 | 39 | static bool debug; |
60a8fc01 AD |
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, | |
60a8fc01 AD |
59 | }; |
60 | ||
61 | /* turbo parameter */ | |
62 | static int boost = 100; | |
63 | static int clockmode = 1; | |
64 | static int cdmode = 1; | |
65 | static int iuu_cardin; | |
66 | static int iuu_cardout; | |
90ab5ee9 | 67 | static bool xmas; |
e55c6d06 | 68 | static int vcc_default = 5; |
60a8fc01 AD |
69 | |
70 | static void read_rxcmd_callback(struct urb *urb); | |
71 | ||
72 | struct iuu_private { | |
73 | spinlock_t lock; /* store irq state */ | |
74 | wait_queue_head_t delta_msr_wait; | |
60a8fc01 | 75 | u8 line_status; |
60a8fc01 AD |
76 | int tiostatus; /* store IUART SIGNAL for tiocmget call */ |
77 | u8 reset; /* if 1 reset is needed */ | |
78 | int poll; /* number of poll */ | |
79 | u8 *writebuf; /* buffer for writing to device */ | |
80 | int writelen; /* num of byte to write to device */ | |
81 | u8 *buf; /* used for initialize speed */ | |
82 | u8 *dbgbuf; /* debug buffer */ | |
83 | u8 len; | |
20eda943 | 84 | int vcc; /* vcc (either 3 or 5 V) */ |
89b54397 JCD |
85 | u32 baud; |
86 | u32 boost; | |
87 | u32 clk; | |
60a8fc01 AD |
88 | }; |
89 | ||
90 | ||
91 | static void iuu_free_buf(struct iuu_private *priv) | |
92 | { | |
93 | kfree(priv->buf); | |
94 | kfree(priv->dbgbuf); | |
95 | kfree(priv->writebuf); | |
96 | } | |
97 | ||
98 | static int iuu_alloc_buf(struct iuu_private *priv) | |
99 | { | |
100 | priv->buf = kzalloc(256, GFP_KERNEL); | |
101 | priv->dbgbuf = kzalloc(256, GFP_KERNEL); | |
102 | priv->writebuf = kzalloc(256, GFP_KERNEL); | |
103 | if (!priv->buf || !priv->dbgbuf || !priv->writebuf) { | |
104 | iuu_free_buf(priv); | |
441b62c1 | 105 | dbg("%s problem allocation buffer", __func__); |
60a8fc01 AD |
106 | return -ENOMEM; |
107 | } | |
441b62c1 | 108 | dbg("%s - Privates buffers allocation success", __func__); |
60a8fc01 AD |
109 | return 0; |
110 | } | |
111 | ||
112 | static int iuu_startup(struct usb_serial *serial) | |
113 | { | |
114 | struct iuu_private *priv; | |
115 | priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL); | |
441b62c1 | 116 | dbg("%s- priv allocation success", __func__); |
60a8fc01 AD |
117 | if (!priv) |
118 | return -ENOMEM; | |
119 | if (iuu_alloc_buf(priv)) { | |
120 | kfree(priv); | |
121 | return -ENOMEM; | |
122 | } | |
e55c6d06 | 123 | priv->vcc = vcc_default; |
60a8fc01 AD |
124 | spin_lock_init(&priv->lock); |
125 | init_waitqueue_head(&priv->delta_msr_wait); | |
126 | usb_set_serial_port_data(serial->port[0], priv); | |
127 | return 0; | |
128 | } | |
129 | ||
f9c99bb8 AS |
130 | /* Release function */ |
131 | static void iuu_release(struct usb_serial *serial) | |
60a8fc01 AD |
132 | { |
133 | struct usb_serial_port *port = serial->port[0]; | |
134 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
135 | if (!port) | |
136 | return; | |
137 | ||
441b62c1 | 138 | dbg("%s", __func__); |
60a8fc01 AD |
139 | |
140 | if (priv) { | |
141 | iuu_free_buf(priv); | |
441b62c1 | 142 | dbg("%s - I will free all", __func__); |
60a8fc01 AD |
143 | usb_set_serial_port_data(port, NULL); |
144 | ||
441b62c1 | 145 | dbg("%s - priv is not anymore in port structure", __func__); |
60a8fc01 AD |
146 | kfree(priv); |
147 | ||
441b62c1 | 148 | dbg("%s priv is now kfree", __func__); |
60a8fc01 AD |
149 | } |
150 | } | |
151 | ||
20b9d177 | 152 | static int iuu_tiocmset(struct tty_struct *tty, |
60a8fc01 AD |
153 | unsigned int set, unsigned int clear) |
154 | { | |
95da310e | 155 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 156 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc | 157 | unsigned long flags; |
60a8fc01 | 158 | |
7b1fc8bc | 159 | /* FIXME: locking on tiomstatus */ |
441b62c1 | 160 | dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__, |
60a8fc01 | 161 | port->number, set, clear); |
7b1fc8bc AC |
162 | |
163 | spin_lock_irqsave(&priv->lock, flags); | |
60a8fc01 | 164 | |
89b54397 | 165 | if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) { |
441b62c1 | 166 | dbg("%s TIOCMSET RESET called !!!", __func__); |
60a8fc01 | 167 | priv->reset = 1; |
60a8fc01 | 168 | } |
89b54397 JCD |
169 | if (set & TIOCM_RTS) |
170 | priv->tiostatus = TIOCM_RTS; | |
171 | ||
7b1fc8bc | 172 | spin_unlock_irqrestore(&priv->lock, flags); |
60a8fc01 AD |
173 | return 0; |
174 | } | |
175 | ||
176 | /* This is used to provide a carrier detect mechanism | |
177 | * When a card is present, the response is 0x00 | |
178 | * When no card , the reader respond with TIOCM_CD | |
179 | * This is known as CD autodetect mechanism | |
180 | */ | |
60b33c13 | 181 | static int iuu_tiocmget(struct tty_struct *tty) |
60a8fc01 | 182 | { |
95da310e | 183 | struct usb_serial_port *port = tty->driver_data; |
60a8fc01 | 184 | struct iuu_private *priv = usb_get_serial_port_data(port); |
7b1fc8bc AC |
185 | unsigned long flags; |
186 | int rc; | |
187 | ||
188 | spin_lock_irqsave(&priv->lock, flags); | |
189 | rc = priv->tiostatus; | |
190 | spin_unlock_irqrestore(&priv->lock, flags); | |
191 | ||
192 | return rc; | |
60a8fc01 AD |
193 | } |
194 | ||
195 | static void iuu_rxcmd(struct urb *urb) | |
196 | { | |
cdc97792 | 197 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 198 | int result; |
50de36f7 GKH |
199 | int status = urb->status; |
200 | ||
441b62c1 | 201 | dbg("%s - enter", __func__); |
60a8fc01 | 202 | |
50de36f7 GKH |
203 | if (status) { |
204 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
205 | /* error stop all */ |
206 | return; | |
207 | } | |
208 | ||
209 | ||
210 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); | |
211 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
212 | usb_sndbulkpipe(port->serial->dev, | |
213 | port->bulk_out_endpointAddress), | |
214 | port->write_urb->transfer_buffer, 1, | |
215 | read_rxcmd_callback, port); | |
216 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
217 | } | |
218 | ||
219 | static int iuu_reset(struct usb_serial_port *port, u8 wt) | |
220 | { | |
221 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
222 | int result; | |
223 | char *buf_ptr = port->write_urb->transfer_buffer; | |
441b62c1 | 224 | dbg("%s - enter", __func__); |
60a8fc01 AD |
225 | |
226 | /* Prepare the reset sequence */ | |
227 | ||
228 | *buf_ptr++ = IUU_RST_SET; | |
229 | *buf_ptr++ = IUU_DELAY_MS; | |
230 | *buf_ptr++ = wt; | |
231 | *buf_ptr = IUU_RST_CLEAR; | |
232 | ||
233 | /* send the sequence */ | |
234 | ||
235 | usb_fill_bulk_urb(port->write_urb, | |
236 | port->serial->dev, | |
237 | usb_sndbulkpipe(port->serial->dev, | |
238 | port->bulk_out_endpointAddress), | |
239 | port->write_urb->transfer_buffer, 4, iuu_rxcmd, port); | |
240 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
241 | priv->reset = 0; | |
242 | return result; | |
243 | } | |
244 | ||
245 | /* Status Function | |
246 | * Return value is | |
247 | * 0x00 = no card | |
248 | * 0x01 = smartcard | |
249 | * 0x02 = sim card | |
250 | */ | |
251 | static void iuu_update_status_callback(struct urb *urb) | |
252 | { | |
cdc97792 | 253 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
254 | struct iuu_private *priv = usb_get_serial_port_data(port); |
255 | u8 *st; | |
50de36f7 GKH |
256 | int status = urb->status; |
257 | ||
441b62c1 | 258 | dbg("%s - enter", __func__); |
60a8fc01 | 259 | |
50de36f7 GKH |
260 | if (status) { |
261 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
262 | /* error stop all */ |
263 | return; | |
264 | } | |
265 | ||
266 | st = urb->transfer_buffer; | |
441b62c1 | 267 | dbg("%s - enter", __func__); |
60a8fc01 AD |
268 | if (urb->actual_length == 1) { |
269 | switch (st[0]) { | |
270 | case 0x1: | |
271 | priv->tiostatus = iuu_cardout; | |
272 | break; | |
273 | case 0x0: | |
274 | priv->tiostatus = iuu_cardin; | |
275 | break; | |
276 | default: | |
277 | priv->tiostatus = iuu_cardin; | |
278 | } | |
279 | } | |
280 | iuu_rxcmd(urb); | |
281 | } | |
282 | ||
283 | static void iuu_status_callback(struct urb *urb) | |
284 | { | |
cdc97792 | 285 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 286 | int result; |
50de36f7 | 287 | int status = urb->status; |
60a8fc01 | 288 | |
50de36f7 | 289 | dbg("%s - status = %d", __func__, status); |
60a8fc01 AD |
290 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
291 | usb_rcvbulkpipe(port->serial->dev, | |
292 | port->bulk_in_endpointAddress), | |
293 | port->read_urb->transfer_buffer, 256, | |
294 | iuu_update_status_callback, port); | |
295 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
296 | } | |
297 | ||
298 | static int iuu_status(struct usb_serial_port *port) | |
299 | { | |
300 | int result; | |
301 | ||
441b62c1 | 302 | dbg("%s - enter", __func__); |
60a8fc01 AD |
303 | |
304 | memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1); | |
305 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
306 | usb_sndbulkpipe(port->serial->dev, | |
307 | port->bulk_out_endpointAddress), | |
308 | port->write_urb->transfer_buffer, 1, | |
309 | iuu_status_callback, port); | |
310 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
311 | return result; | |
312 | ||
313 | } | |
314 | ||
315 | static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count) | |
316 | { | |
317 | int status; | |
318 | struct usb_serial *serial = port->serial; | |
319 | int actual = 0; | |
320 | ||
441b62c1 | 321 | dbg("%s - enter", __func__); |
60a8fc01 AD |
322 | |
323 | /* send the data out the bulk port */ | |
324 | ||
325 | status = | |
326 | usb_bulk_msg(serial->dev, | |
327 | usb_sndbulkpipe(serial->dev, | |
328 | port->bulk_out_endpointAddress), buf, | |
329 | count, &actual, HZ * 1); | |
330 | ||
9e8e2d2a | 331 | if (status != IUU_OPERATION_OK) |
441b62c1 | 332 | dbg("%s - error = %2x", __func__, status); |
9e8e2d2a | 333 | else |
441b62c1 | 334 | dbg("%s - write OK !", __func__); |
60a8fc01 AD |
335 | return status; |
336 | } | |
337 | ||
338 | static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count) | |
339 | { | |
340 | int status; | |
341 | struct usb_serial *serial = port->serial; | |
342 | int actual = 0; | |
343 | ||
441b62c1 | 344 | dbg("%s - enter", __func__); |
60a8fc01 AD |
345 | |
346 | /* send the data out the bulk port */ | |
347 | ||
348 | status = | |
349 | usb_bulk_msg(serial->dev, | |
350 | usb_rcvbulkpipe(serial->dev, | |
351 | port->bulk_in_endpointAddress), buf, | |
352 | count, &actual, HZ * 1); | |
353 | ||
9e8e2d2a | 354 | if (status != IUU_OPERATION_OK) |
441b62c1 | 355 | dbg("%s - error = %2x", __func__, status); |
9e8e2d2a | 356 | else |
441b62c1 | 357 | dbg("%s - read OK !", __func__); |
60a8fc01 AD |
358 | return status; |
359 | } | |
360 | ||
361 | static int iuu_led(struct usb_serial_port *port, unsigned int R, | |
362 | unsigned int G, unsigned int B, u8 f) | |
363 | { | |
364 | int status; | |
365 | u8 *buf; | |
366 | buf = kmalloc(8, GFP_KERNEL); | |
367 | if (!buf) | |
368 | return -ENOMEM; | |
369 | ||
441b62c1 | 370 | dbg("%s - enter", __func__); |
60a8fc01 AD |
371 | |
372 | buf[0] = IUU_SET_LED; | |
373 | buf[1] = R & 0xFF; | |
374 | buf[2] = (R >> 8) & 0xFF; | |
375 | buf[3] = G & 0xFF; | |
376 | buf[4] = (G >> 8) & 0xFF; | |
377 | buf[5] = B & 0xFF; | |
378 | buf[6] = (B >> 8) & 0xFF; | |
379 | buf[7] = f; | |
380 | status = bulk_immediate(port, buf, 8); | |
381 | kfree(buf); | |
382 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 383 | dbg("%s - led error status = %2x", __func__, status); |
60a8fc01 | 384 | else |
441b62c1 | 385 | dbg("%s - led OK !", __func__); |
60a8fc01 AD |
386 | return IUU_OPERATION_OK; |
387 | } | |
388 | ||
389 | static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1, | |
390 | u8 b2, u8 freq) | |
391 | { | |
392 | *buf++ = IUU_SET_LED; | |
393 | *buf++ = r1; | |
394 | *buf++ = r2; | |
395 | *buf++ = g1; | |
396 | *buf++ = g2; | |
397 | *buf++ = b1; | |
398 | *buf++ = b2; | |
399 | *buf = freq; | |
400 | } | |
401 | ||
402 | static void iuu_led_activity_on(struct urb *urb) | |
403 | { | |
cdc97792 | 404 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
405 | int result; |
406 | char *buf_ptr = port->write_urb->transfer_buffer; | |
407 | *buf_ptr++ = IUU_SET_LED; | |
408 | if (xmas == 1) { | |
409 | get_random_bytes(buf_ptr, 6); | |
410 | *(buf_ptr+7) = 1; | |
411 | } else { | |
412 | iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255); | |
413 | } | |
414 | ||
415 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
416 | usb_sndbulkpipe(port->serial->dev, | |
417 | port->bulk_out_endpointAddress), | |
418 | port->write_urb->transfer_buffer, 8 , | |
419 | iuu_rxcmd, port); | |
420 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
421 | } | |
422 | ||
423 | static void iuu_led_activity_off(struct urb *urb) | |
424 | { | |
cdc97792 | 425 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
426 | int result; |
427 | char *buf_ptr = port->write_urb->transfer_buffer; | |
428 | if (xmas == 1) { | |
429 | iuu_rxcmd(urb); | |
430 | return; | |
431 | } else { | |
432 | *buf_ptr++ = IUU_SET_LED; | |
433 | iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255); | |
434 | } | |
435 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
436 | usb_sndbulkpipe(port->serial->dev, | |
437 | port->bulk_out_endpointAddress), | |
438 | port->write_urb->transfer_buffer, 8 , | |
439 | iuu_rxcmd, port); | |
440 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
441 | } | |
442 | ||
443 | ||
444 | ||
445 | static int iuu_clk(struct usb_serial_port *port, int dwFrq) | |
446 | { | |
447 | int status; | |
448 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
449 | int Count = 0; | |
450 | u8 FrqGenAdr = 0x69; | |
451 | u8 DIV = 0; /* 8bit */ | |
452 | u8 XDRV = 0; /* 8bit */ | |
453 | u8 PUMP = 0; /* 3bit */ | |
454 | u8 PBmsb = 0; /* 2bit */ | |
455 | u8 PBlsb = 0; /* 8bit */ | |
456 | u8 PO = 0; /* 1bit */ | |
457 | u8 Q = 0; /* 7bit */ | |
458 | /* 24bit = 3bytes */ | |
459 | unsigned int P = 0; | |
460 | unsigned int P2 = 0; | |
461 | int frq = (int)dwFrq; | |
462 | ||
441b62c1 | 463 | dbg("%s - enter", __func__); |
60a8fc01 AD |
464 | |
465 | if (frq == 0) { | |
466 | priv->buf[Count++] = IUU_UART_WRITE_I2C; | |
467 | priv->buf[Count++] = FrqGenAdr << 1; | |
468 | priv->buf[Count++] = 0x09; | |
469 | priv->buf[Count++] = 0x00; | |
470 | ||
471 | status = bulk_immediate(port, (u8 *) priv->buf, Count); | |
472 | if (status != 0) { | |
441b62c1 | 473 | dbg("%s - write error ", __func__); |
60a8fc01 AD |
474 | return status; |
475 | } | |
476 | } else if (frq == 3579000) { | |
477 | DIV = 100; | |
478 | P = 1193; | |
479 | Q = 40; | |
480 | XDRV = 0; | |
481 | } else if (frq == 3680000) { | |
482 | DIV = 105; | |
483 | P = 161; | |
484 | Q = 5; | |
485 | XDRV = 0; | |
486 | } else if (frq == 6000000) { | |
487 | DIV = 66; | |
488 | P = 66; | |
489 | Q = 2; | |
490 | XDRV = 0x28; | |
491 | } else { | |
492 | unsigned int result = 0; | |
493 | unsigned int tmp = 0; | |
494 | unsigned int check; | |
495 | unsigned int check2; | |
496 | char found = 0x00; | |
497 | unsigned int lQ = 2; | |
498 | unsigned int lP = 2055; | |
499 | unsigned int lDiv = 4; | |
500 | ||
501 | for (lQ = 2; lQ <= 47 && !found; lQ++) | |
502 | for (lP = 2055; lP >= 8 && !found; lP--) | |
503 | for (lDiv = 4; lDiv <= 127 && !found; lDiv++) { | |
504 | tmp = (12000000 / lDiv) * (lP / lQ); | |
505 | if (abs((int)(tmp - frq)) < | |
506 | abs((int)(frq - result))) { | |
507 | check2 = (12000000 / lQ); | |
508 | if (check2 < 250000) | |
509 | continue; | |
510 | check = (12000000 / lQ) * lP; | |
511 | if (check > 400000000) | |
512 | continue; | |
513 | if (check < 100000000) | |
514 | continue; | |
515 | if (lDiv < 4 || lDiv > 127) | |
516 | continue; | |
517 | result = tmp; | |
518 | P = lP; | |
519 | DIV = lDiv; | |
520 | Q = lQ; | |
521 | if (result == frq) | |
522 | found = 0x01; | |
523 | } | |
524 | } | |
525 | } | |
526 | P2 = ((P - PO) / 2) - 4; | |
527 | DIV = DIV; | |
528 | PUMP = 0x04; | |
529 | PBmsb = (P2 >> 8 & 0x03); | |
530 | PBlsb = P2 & 0xFF; | |
531 | PO = (P >> 10) & 0x01; | |
532 | Q = Q - 2; | |
533 | ||
534 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
535 | priv->buf[Count++] = FrqGenAdr << 1; | |
536 | priv->buf[Count++] = 0x09; | |
537 | priv->buf[Count++] = 0x20; /* Adr = 0x09 */ | |
538 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
539 | priv->buf[Count++] = FrqGenAdr << 1; | |
540 | priv->buf[Count++] = 0x0C; | |
541 | priv->buf[Count++] = DIV; /* Adr = 0x0C */ | |
542 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
543 | priv->buf[Count++] = FrqGenAdr << 1; | |
544 | priv->buf[Count++] = 0x12; | |
545 | priv->buf[Count++] = XDRV; /* Adr = 0x12 */ | |
546 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
547 | priv->buf[Count++] = FrqGenAdr << 1; | |
548 | priv->buf[Count++] = 0x13; | |
549 | priv->buf[Count++] = 0x6B; /* Adr = 0x13 */ | |
550 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
551 | priv->buf[Count++] = FrqGenAdr << 1; | |
552 | priv->buf[Count++] = 0x40; | |
553 | priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) | | |
554 | (PBmsb & 0x03); /* Adr = 0x40 */ | |
555 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
556 | priv->buf[Count++] = FrqGenAdr << 1; | |
557 | priv->buf[Count++] = 0x41; | |
558 | priv->buf[Count++] = PBlsb; /* Adr = 0x41 */ | |
559 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
560 | priv->buf[Count++] = FrqGenAdr << 1; | |
561 | priv->buf[Count++] = 0x42; | |
562 | priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */ | |
563 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
564 | priv->buf[Count++] = FrqGenAdr << 1; | |
565 | priv->buf[Count++] = 0x44; | |
566 | priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */ | |
567 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
568 | priv->buf[Count++] = FrqGenAdr << 1; | |
569 | priv->buf[Count++] = 0x45; | |
570 | priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */ | |
571 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
572 | priv->buf[Count++] = FrqGenAdr << 1; | |
573 | priv->buf[Count++] = 0x46; | |
574 | priv->buf[Count++] = 0x7F; /* Adr = 0x46 */ | |
575 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ | |
576 | priv->buf[Count++] = FrqGenAdr << 1; | |
577 | priv->buf[Count++] = 0x47; | |
578 | priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */ | |
579 | ||
580 | status = bulk_immediate(port, (u8 *) priv->buf, Count); | |
581 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 582 | dbg("%s - write error ", __func__); |
60a8fc01 AD |
583 | return status; |
584 | } | |
585 | ||
586 | static int iuu_uart_flush(struct usb_serial_port *port) | |
587 | { | |
588 | int i; | |
589 | int status; | |
590 | u8 rxcmd = IUU_UART_RX; | |
591 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
592 | ||
441b62c1 | 593 | dbg("%s - enter", __func__); |
60a8fc01 AD |
594 | |
595 | if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0) | |
596 | return -EIO; | |
597 | ||
598 | for (i = 0; i < 2; i++) { | |
599 | status = bulk_immediate(port, &rxcmd, 1); | |
600 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 601 | dbg("%s - uart_flush_write error", __func__); |
60a8fc01 AD |
602 | return status; |
603 | } | |
604 | ||
605 | status = read_immediate(port, &priv->len, 1); | |
606 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 607 | dbg("%s - uart_flush_read error", __func__); |
60a8fc01 AD |
608 | return status; |
609 | } | |
610 | ||
611 | if (priv->len > 0) { | |
441b62c1 | 612 | dbg("%s - uart_flush datalen is : %i ", __func__, |
60a8fc01 AD |
613 | priv->len); |
614 | status = read_immediate(port, priv->buf, priv->len); | |
615 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 616 | dbg("%s - uart_flush_read error", __func__); |
60a8fc01 AD |
617 | return status; |
618 | } | |
619 | } | |
620 | } | |
441b62c1 | 621 | dbg("%s - uart_flush_read OK!", __func__); |
60a8fc01 AD |
622 | iuu_led(port, 0, 0xF000, 0, 0xFF); |
623 | return status; | |
624 | } | |
625 | ||
626 | static void read_buf_callback(struct urb *urb) | |
627 | { | |
cdc97792 | 628 | struct usb_serial_port *port = urb->context; |
60a8fc01 AD |
629 | unsigned char *data = urb->transfer_buffer; |
630 | struct tty_struct *tty; | |
50de36f7 | 631 | int status = urb->status; |
60a8fc01 | 632 | |
50de36f7 GKH |
633 | dbg("%s - status = %d", __func__, status); |
634 | ||
635 | if (status) { | |
636 | if (status == -EPROTO) { | |
60a8fc01 AD |
637 | /* reschedule needed */ |
638 | } | |
639 | return; | |
640 | } | |
641 | ||
441b62c1 | 642 | dbg("%s - %i chars to write", __func__, urb->actual_length); |
4a90f09b | 643 | tty = tty_port_tty_get(&port->port); |
60a8fc01 | 644 | if (data == NULL) |
441b62c1 | 645 | dbg("%s - data is NULL !!!", __func__); |
60a8fc01 AD |
646 | if (tty && urb->actual_length && data) { |
647 | tty_insert_flip_string(tty, data, urb->actual_length); | |
648 | tty_flip_buffer_push(tty); | |
649 | } | |
4a90f09b | 650 | tty_kref_put(tty); |
60a8fc01 AD |
651 | iuu_led_activity_on(urb); |
652 | } | |
653 | ||
654 | static int iuu_bulk_write(struct usb_serial_port *port) | |
655 | { | |
656 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 657 | unsigned long flags; |
60a8fc01 AD |
658 | int result; |
659 | int i; | |
5fcf62b0 | 660 | int buf_len; |
60a8fc01 | 661 | char *buf_ptr = port->write_urb->transfer_buffer; |
441b62c1 | 662 | dbg("%s - enter", __func__); |
60a8fc01 | 663 | |
5fcf62b0 | 664 | spin_lock_irqsave(&priv->lock, flags); |
60a8fc01 AD |
665 | *buf_ptr++ = IUU_UART_ESC; |
666 | *buf_ptr++ = IUU_UART_TX; | |
667 | *buf_ptr++ = priv->writelen; | |
668 | ||
5fcf62b0 OB |
669 | memcpy(buf_ptr, priv->writebuf, priv->writelen); |
670 | buf_len = priv->writelen; | |
671 | priv->writelen = 0; | |
672 | spin_unlock_irqrestore(&priv->lock, flags); | |
60a8fc01 | 673 | if (debug == 1) { |
5fcf62b0 | 674 | for (i = 0; i < buf_len; i++) |
60a8fc01 AD |
675 | sprintf(priv->dbgbuf + i*2 , |
676 | "%02X", priv->writebuf[i]); | |
5fcf62b0 | 677 | priv->dbgbuf[buf_len+i*2] = 0; |
441b62c1 | 678 | dbg("%s - writing %i chars : %s", __func__, |
5fcf62b0 | 679 | buf_len, priv->dbgbuf); |
60a8fc01 AD |
680 | } |
681 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
682 | usb_sndbulkpipe(port->serial->dev, | |
683 | port->bulk_out_endpointAddress), | |
5fcf62b0 | 684 | port->write_urb->transfer_buffer, buf_len + 3, |
60a8fc01 AD |
685 | iuu_rxcmd, port); |
686 | result = usb_submit_urb(port->write_urb, GFP_ATOMIC); | |
60a8fc01 AD |
687 | usb_serial_port_softint(port); |
688 | return result; | |
689 | } | |
690 | ||
691 | static int iuu_read_buf(struct usb_serial_port *port, int len) | |
692 | { | |
693 | int result; | |
441b62c1 | 694 | dbg("%s - enter", __func__); |
60a8fc01 AD |
695 | |
696 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
697 | usb_rcvbulkpipe(port->serial->dev, | |
698 | port->bulk_in_endpointAddress), | |
699 | port->read_urb->transfer_buffer, len, | |
700 | read_buf_callback, port); | |
701 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
702 | return result; | |
703 | } | |
704 | ||
705 | static void iuu_uart_read_callback(struct urb *urb) | |
706 | { | |
cdc97792 | 707 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 708 | struct iuu_private *priv = usb_get_serial_port_data(port); |
8594303a | 709 | unsigned long flags; |
50de36f7 | 710 | int status = urb->status; |
60a8fc01 AD |
711 | int error = 0; |
712 | int len = 0; | |
713 | unsigned char *data = urb->transfer_buffer; | |
714 | priv->poll++; | |
715 | ||
441b62c1 | 716 | dbg("%s - enter", __func__); |
60a8fc01 | 717 | |
50de36f7 GKH |
718 | if (status) { |
719 | dbg("%s - status = %d", __func__, status); | |
60a8fc01 AD |
720 | /* error stop all */ |
721 | return; | |
722 | } | |
723 | if (data == NULL) | |
441b62c1 | 724 | dbg("%s - data is NULL !!!", __func__); |
60a8fc01 AD |
725 | |
726 | if (urb->actual_length == 1 && data != NULL) | |
727 | len = (int) data[0]; | |
728 | ||
729 | if (urb->actual_length > 1) { | |
441b62c1 | 730 | dbg("%s - urb->actual_length = %i", __func__, |
60a8fc01 AD |
731 | urb->actual_length); |
732 | error = 1; | |
733 | return; | |
734 | } | |
735 | /* if len > 0 call readbuf */ | |
736 | ||
737 | if (len > 0 && error == 0) { | |
738 | dbg("%s - call read buf - len to read is %i ", | |
441b62c1 | 739 | __func__, len); |
60a8fc01 AD |
740 | status = iuu_read_buf(port, len); |
741 | return; | |
742 | } | |
743 | /* need to update status ? */ | |
744 | if (priv->poll > 99) { | |
745 | status = iuu_status(port); | |
746 | priv->poll = 0; | |
747 | return; | |
748 | } | |
749 | ||
750 | /* reset waiting ? */ | |
751 | ||
752 | if (priv->reset == 1) { | |
753 | status = iuu_reset(port, 0xC); | |
754 | return; | |
755 | } | |
756 | /* Writebuf is waiting */ | |
757 | spin_lock_irqsave(&priv->lock, flags); | |
758 | if (priv->writelen > 0) { | |
759 | spin_unlock_irqrestore(&priv->lock, flags); | |
760 | status = iuu_bulk_write(port); | |
761 | return; | |
762 | } | |
763 | spin_unlock_irqrestore(&priv->lock, flags); | |
764 | /* if nothing to write call again rxcmd */ | |
441b62c1 | 765 | dbg("%s - rxcmd recall", __func__); |
60a8fc01 | 766 | iuu_led_activity_off(urb); |
60a8fc01 AD |
767 | } |
768 | ||
95da310e AC |
769 | static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port, |
770 | const u8 *buf, int count) | |
60a8fc01 AD |
771 | { |
772 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
8594303a | 773 | unsigned long flags; |
441b62c1 | 774 | dbg("%s - enter", __func__); |
60a8fc01 AD |
775 | |
776 | if (count > 256) | |
777 | return -ENOMEM; | |
778 | ||
779 | spin_lock_irqsave(&priv->lock, flags); | |
5fcf62b0 | 780 | |
60a8fc01 | 781 | /* fill the buffer */ |
5fcf62b0 OB |
782 | memcpy(priv->writebuf + priv->writelen, buf, count); |
783 | priv->writelen += count; | |
60a8fc01 AD |
784 | spin_unlock_irqrestore(&priv->lock, flags); |
785 | ||
9e8e2d2a | 786 | return count; |
60a8fc01 AD |
787 | } |
788 | ||
789 | static void read_rxcmd_callback(struct urb *urb) | |
790 | { | |
cdc97792 | 791 | struct usb_serial_port *port = urb->context; |
60a8fc01 | 792 | int result; |
50de36f7 | 793 | int status = urb->status; |
60a8fc01 | 794 | |
50de36f7 | 795 | dbg("%s - status = %d", __func__, status); |
60a8fc01 | 796 | |
50de36f7 | 797 | if (status) { |
60a8fc01 AD |
798 | /* error stop all */ |
799 | return; | |
800 | } | |
801 | ||
802 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, | |
803 | usb_rcvbulkpipe(port->serial->dev, | |
804 | port->bulk_in_endpointAddress), | |
805 | port->read_urb->transfer_buffer, 256, | |
806 | iuu_uart_read_callback, port); | |
807 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
441b62c1 | 808 | dbg("%s - submit result = %d", __func__, result); |
60a8fc01 AD |
809 | } |
810 | ||
811 | static int iuu_uart_on(struct usb_serial_port *port) | |
812 | { | |
813 | int status; | |
814 | u8 *buf; | |
815 | ||
816 | buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL); | |
817 | ||
818 | if (!buf) | |
819 | return -ENOMEM; | |
820 | ||
821 | buf[0] = IUU_UART_ENABLE; | |
822 | buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF); | |
823 | buf[2] = (u8) (0x00FF & IUU_BAUD_9600); | |
cc3447d1 | 824 | buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN); |
60a8fc01 AD |
825 | |
826 | status = bulk_immediate(port, buf, 4); | |
827 | if (status != IUU_OPERATION_OK) { | |
441b62c1 | 828 | dbg("%s - uart_on error", __func__); |
60a8fc01 AD |
829 | goto uart_enable_failed; |
830 | } | |
831 | /* iuu_reset() the card after iuu_uart_on() */ | |
832 | status = iuu_uart_flush(port); | |
833 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 834 | dbg("%s - uart_flush error", __func__); |
60a8fc01 AD |
835 | uart_enable_failed: |
836 | kfree(buf); | |
837 | return status; | |
838 | } | |
839 | ||
840 | /* Diables the IUU UART (a.k.a. the Phoenix voiderface) */ | |
841 | static int iuu_uart_off(struct usb_serial_port *port) | |
842 | { | |
843 | int status; | |
844 | u8 *buf; | |
845 | buf = kmalloc(1, GFP_KERNEL); | |
846 | if (!buf) | |
847 | return -ENOMEM; | |
848 | buf[0] = IUU_UART_DISABLE; | |
849 | ||
850 | status = bulk_immediate(port, buf, 1); | |
851 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 852 | dbg("%s - uart_off error", __func__); |
60a8fc01 AD |
853 | |
854 | kfree(buf); | |
855 | return status; | |
856 | } | |
857 | ||
89b54397 | 858 | static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base, |
60a8fc01 AD |
859 | u32 *actual, u8 parity) |
860 | { | |
861 | int status; | |
89b54397 | 862 | u32 baud; |
60a8fc01 AD |
863 | u8 *dataout; |
864 | u8 DataCount = 0; | |
865 | u8 T1Frekvens = 0; | |
866 | u8 T1reload = 0; | |
867 | unsigned int T1FrekvensHZ = 0; | |
868 | ||
89b54397 | 869 | dbg("%s - enter baud_base=%d", __func__, baud_base); |
60a8fc01 AD |
870 | dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL); |
871 | ||
872 | if (!dataout) | |
873 | return -ENOMEM; | |
89b54397 JCD |
874 | /*baud = (((priv->clk / 35) * baud_base) / 100000); */ |
875 | baud = baud_base; | |
60a8fc01 AD |
876 | |
877 | if (baud < 1200 || baud > 230400) { | |
878 | kfree(dataout); | |
879 | return IUU_INVALID_PARAMETER; | |
880 | } | |
881 | if (baud > 977) { | |
882 | T1Frekvens = 3; | |
883 | T1FrekvensHZ = 500000; | |
884 | } | |
885 | ||
886 | if (baud > 3906) { | |
887 | T1Frekvens = 2; | |
888 | T1FrekvensHZ = 2000000; | |
889 | } | |
890 | ||
891 | if (baud > 11718) { | |
892 | T1Frekvens = 1; | |
893 | T1FrekvensHZ = 6000000; | |
894 | } | |
895 | ||
896 | if (baud > 46875) { | |
897 | T1Frekvens = 0; | |
898 | T1FrekvensHZ = 24000000; | |
899 | } | |
900 | ||
901 | T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2)); | |
902 | ||
903 | /* magic number here: ENTER_FIRMWARE_UPDATE; */ | |
904 | dataout[DataCount++] = IUU_UART_ESC; | |
905 | /* magic number here: CHANGE_BAUD; */ | |
906 | dataout[DataCount++] = IUU_UART_CHANGE; | |
907 | dataout[DataCount++] = T1Frekvens; | |
908 | dataout[DataCount++] = T1reload; | |
909 | ||
910 | *actual = (T1FrekvensHZ / (256 - T1reload)) / 2; | |
911 | ||
912 | switch (parity & 0x0F) { | |
913 | case IUU_PARITY_NONE: | |
914 | dataout[DataCount++] = 0x00; | |
915 | break; | |
916 | case IUU_PARITY_EVEN: | |
917 | dataout[DataCount++] = 0x01; | |
918 | break; | |
919 | case IUU_PARITY_ODD: | |
920 | dataout[DataCount++] = 0x02; | |
921 | break; | |
922 | case IUU_PARITY_MARK: | |
923 | dataout[DataCount++] = 0x03; | |
924 | break; | |
925 | case IUU_PARITY_SPACE: | |
926 | dataout[DataCount++] = 0x04; | |
927 | break; | |
928 | default: | |
929 | kfree(dataout); | |
930 | return IUU_INVALID_PARAMETER; | |
931 | break; | |
932 | } | |
933 | ||
934 | switch (parity & 0xF0) { | |
935 | case IUU_ONE_STOP_BIT: | |
936 | dataout[DataCount - 1] |= IUU_ONE_STOP_BIT; | |
937 | break; | |
938 | ||
939 | case IUU_TWO_STOP_BITS: | |
940 | dataout[DataCount - 1] |= IUU_TWO_STOP_BITS; | |
941 | break; | |
942 | default: | |
943 | kfree(dataout); | |
944 | return IUU_INVALID_PARAMETER; | |
945 | break; | |
946 | } | |
947 | ||
948 | status = bulk_immediate(port, dataout, DataCount); | |
949 | if (status != IUU_OPERATION_OK) | |
441b62c1 | 950 | dbg("%s - uart_off error", __func__); |
60a8fc01 AD |
951 | kfree(dataout); |
952 | return status; | |
953 | } | |
954 | ||
96dab77e OB |
955 | static void iuu_set_termios(struct tty_struct *tty, |
956 | struct usb_serial_port *port, struct ktermios *old_termios) | |
957 | { | |
958 | const u32 supported_mask = CMSPAR|PARENB|PARODD; | |
89b54397 | 959 | struct iuu_private *priv = usb_get_serial_port_data(port); |
96dab77e OB |
960 | unsigned int cflag = tty->termios->c_cflag; |
961 | int status; | |
962 | u32 actual; | |
963 | u32 parity; | |
964 | int csize = CS7; | |
89b54397 | 965 | int baud; |
96dab77e OB |
966 | u32 newval = cflag & supported_mask; |
967 | ||
89b54397 JCD |
968 | /* Just use the ospeed. ispeed should be the same. */ |
969 | baud = tty->termios->c_ospeed; | |
970 | ||
971 | dbg("%s - enter c_ospeed or baud=%d", __func__, baud); | |
972 | ||
96dab77e OB |
973 | /* compute the parity parameter */ |
974 | parity = 0; | |
975 | if (cflag & CMSPAR) { /* Using mark space */ | |
976 | if (cflag & PARODD) | |
977 | parity |= IUU_PARITY_SPACE; | |
978 | else | |
979 | parity |= IUU_PARITY_MARK; | |
980 | } else if (!(cflag & PARENB)) { | |
981 | parity |= IUU_PARITY_NONE; | |
982 | csize = CS8; | |
983 | } else if (cflag & PARODD) | |
984 | parity |= IUU_PARITY_ODD; | |
985 | else | |
986 | parity |= IUU_PARITY_EVEN; | |
987 | ||
988 | parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT); | |
989 | ||
990 | /* set it */ | |
991 | status = iuu_uart_baud(port, | |
89b54397 | 992 | baud * priv->boost / 100, |
96dab77e OB |
993 | &actual, parity); |
994 | ||
995 | /* set the termios value to the real one, so the user now what has | |
996 | * changed. We support few fields so its easies to copy the old hw | |
997 | * settings back over and then adjust them | |
998 | */ | |
89b54397 JCD |
999 | if (old_termios) |
1000 | tty_termios_copy_hw(tty->termios, old_termios); | |
96dab77e OB |
1001 | if (status != 0) /* Set failed - return old bits */ |
1002 | return; | |
1003 | /* Re-encode speed, parity and csize */ | |
1004 | tty_encode_baud_rate(tty, baud, baud); | |
1005 | tty->termios->c_cflag &= ~(supported_mask|CSIZE); | |
1006 | tty->termios->c_cflag |= newval | csize; | |
1007 | } | |
1008 | ||
335f8514 | 1009 | static void iuu_close(struct usb_serial_port *port) |
60a8fc01 AD |
1010 | { |
1011 | /* iuu_led (port,255,0,0,0); */ | |
1012 | struct usb_serial *serial; | |
60a8fc01 AD |
1013 | |
1014 | serial = port->serial; | |
1015 | if (!serial) | |
1016 | return; | |
1017 | ||
441b62c1 | 1018 | dbg("%s - port %d", __func__, port->number); |
60a8fc01 AD |
1019 | |
1020 | iuu_uart_off(port); | |
1021 | if (serial->dev) { | |
60a8fc01 AD |
1022 | /* free writebuf */ |
1023 | /* shutdown our urbs */ | |
441b62c1 | 1024 | dbg("%s - shutting down urbs", __func__); |
60a8fc01 AD |
1025 | usb_kill_urb(port->write_urb); |
1026 | usb_kill_urb(port->read_urb); | |
1027 | usb_kill_urb(port->interrupt_in_urb); | |
60a8fc01 | 1028 | iuu_led(port, 0, 0, 0xF000, 0xFF); |
60a8fc01 AD |
1029 | } |
1030 | } | |
1031 | ||
fe1ae7fd AC |
1032 | static void iuu_init_termios(struct tty_struct *tty) |
1033 | { | |
89b54397 | 1034 | dbg("%s - enter", __func__); |
fe1ae7fd AC |
1035 | *(tty->termios) = tty_std_termios; |
1036 | tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600 | |
1037 | | TIOCM_CTS | CSTOPB | PARENB; | |
1038 | tty->termios->c_ispeed = 9600; | |
1039 | tty->termios->c_ospeed = 9600; | |
1040 | tty->termios->c_lflag = 0; | |
1041 | tty->termios->c_oflag = 0; | |
1042 | tty->termios->c_iflag = 0; | |
1043 | } | |
1044 | ||
a509a7e4 | 1045 | static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) |
60a8fc01 AD |
1046 | { |
1047 | struct usb_serial *serial = port->serial; | |
1048 | u8 *buf; | |
1049 | int result; | |
89b54397 | 1050 | int baud; |
60a8fc01 | 1051 | u32 actual; |
60a8fc01 AD |
1052 | struct iuu_private *priv = usb_get_serial_port_data(port); |
1053 | ||
89b54397 JCD |
1054 | baud = tty->termios->c_ospeed; |
1055 | tty->termios->c_ispeed = baud; | |
1056 | /* Re-encode speed */ | |
1057 | tty_encode_baud_rate(tty, baud, baud); | |
1058 | ||
1059 | dbg("%s - port %d, baud %d", __func__, port->number, baud); | |
60a8fc01 AD |
1060 | usb_clear_halt(serial->dev, port->write_urb->pipe); |
1061 | usb_clear_halt(serial->dev, port->read_urb->pipe); | |
1062 | ||
1063 | buf = kmalloc(10, GFP_KERNEL); | |
1064 | if (buf == NULL) | |
1065 | return -ENOMEM; | |
1066 | ||
fe1ae7fd | 1067 | priv->poll = 0; |
60a8fc01 AD |
1068 | |
1069 | /* initialize writebuf */ | |
1070 | #define FISH(a, b, c, d) do { \ | |
1071 | result = usb_control_msg(port->serial->dev, \ | |
1072 | usb_rcvctrlpipe(port->serial->dev, 0), \ | |
1073 | b, a, c, d, buf, 1, 1000); \ | |
1074 | dbg("0x%x:0x%x:0x%x:0x%x %d - %x", a, b, c, d, result, \ | |
1075 | buf[0]); } while (0); | |
1076 | ||
1077 | #define SOUP(a, b, c, d) do { \ | |
1078 | result = usb_control_msg(port->serial->dev, \ | |
1079 | usb_sndctrlpipe(port->serial->dev, 0), \ | |
1080 | b, a, c, d, NULL, 0, 1000); \ | |
1081 | dbg("0x%x:0x%x:0x%x:0x%x %d", a, b, c, d, result); } while (0) | |
1082 | ||
1083 | /* This is not UART related but IUU USB driver related or something */ | |
1084 | /* like that. Basically no IUU will accept any commands from the USB */ | |
1085 | /* host unless it has received the following message */ | |
1086 | /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */ | |
1087 | ||
1088 | SOUP(0x03, 0x02, 0x02, 0x0); | |
1089 | kfree(buf); | |
1090 | iuu_led(port, 0xF000, 0xF000, 0, 0xFF); | |
1091 | iuu_uart_on(port); | |
1092 | if (boost < 100) | |
1093 | boost = 100; | |
89b54397 JCD |
1094 | priv->boost = boost; |
1095 | priv->baud = baud; | |
60a8fc01 AD |
1096 | switch (clockmode) { |
1097 | case 2: /* 3.680 Mhz */ | |
89b54397 | 1098 | priv->clk = IUU_CLK_3680000; |
60a8fc01 AD |
1099 | iuu_clk(port, IUU_CLK_3680000 * boost / 100); |
1100 | result = | |
89b54397 | 1101 | iuu_uart_baud(port, baud * boost / 100, &actual, |
60a8fc01 AD |
1102 | IUU_PARITY_EVEN); |
1103 | break; | |
1104 | case 3: /* 6.00 Mhz */ | |
1105 | iuu_clk(port, IUU_CLK_6000000 * boost / 100); | |
89b54397 JCD |
1106 | priv->clk = IUU_CLK_6000000; |
1107 | /* Ratio of 6000000 to 3500000 for baud 9600 */ | |
60a8fc01 AD |
1108 | result = |
1109 | iuu_uart_baud(port, 16457 * boost / 100, &actual, | |
1110 | IUU_PARITY_EVEN); | |
1111 | break; | |
1112 | default: /* 3.579 Mhz */ | |
1113 | iuu_clk(port, IUU_CLK_3579000 * boost / 100); | |
89b54397 | 1114 | priv->clk = IUU_CLK_3579000; |
60a8fc01 | 1115 | result = |
89b54397 | 1116 | iuu_uart_baud(port, baud * boost / 100, &actual, |
60a8fc01 AD |
1117 | IUU_PARITY_EVEN); |
1118 | } | |
1119 | ||
1120 | /* set the cardin cardout signals */ | |
1121 | switch (cdmode) { | |
1122 | case 0: | |
1123 | iuu_cardin = 0; | |
1124 | iuu_cardout = 0; | |
1125 | break; | |
1126 | case 1: | |
1127 | iuu_cardin = TIOCM_CD; | |
1128 | iuu_cardout = 0; | |
1129 | break; | |
1130 | case 2: | |
1131 | iuu_cardin = 0; | |
1132 | iuu_cardout = TIOCM_CD; | |
1133 | break; | |
1134 | case 3: | |
1135 | iuu_cardin = TIOCM_DSR; | |
1136 | iuu_cardout = 0; | |
1137 | break; | |
1138 | case 4: | |
1139 | iuu_cardin = 0; | |
1140 | iuu_cardout = TIOCM_DSR; | |
1141 | break; | |
1142 | case 5: | |
1143 | iuu_cardin = TIOCM_CTS; | |
1144 | iuu_cardout = 0; | |
1145 | break; | |
1146 | case 6: | |
1147 | iuu_cardin = 0; | |
1148 | iuu_cardout = TIOCM_CTS; | |
1149 | break; | |
1150 | case 7: | |
1151 | iuu_cardin = TIOCM_RNG; | |
1152 | iuu_cardout = 0; | |
1153 | break; | |
1154 | case 8: | |
1155 | iuu_cardin = 0; | |
1156 | iuu_cardout = TIOCM_RNG; | |
1157 | } | |
1158 | ||
1159 | iuu_uart_flush(port); | |
1160 | ||
441b62c1 | 1161 | dbg("%s - initialization done", __func__); |
60a8fc01 AD |
1162 | |
1163 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); | |
1164 | usb_fill_bulk_urb(port->write_urb, port->serial->dev, | |
1165 | usb_sndbulkpipe(port->serial->dev, | |
1166 | port->bulk_out_endpointAddress), | |
1167 | port->write_urb->transfer_buffer, 1, | |
1168 | read_rxcmd_callback, port); | |
1169 | result = usb_submit_urb(port->write_urb, GFP_KERNEL); | |
60a8fc01 AD |
1170 | if (result) { |
1171 | dev_err(&port->dev, "%s - failed submitting read urb," | |
441b62c1 | 1172 | " error %d\n", __func__, result); |
335f8514 | 1173 | iuu_close(port); |
60a8fc01 | 1174 | } else { |
441b62c1 | 1175 | dbg("%s - rxcmd OK", __func__); |
60a8fc01 | 1176 | } |
b58a6462 | 1177 | |
60a8fc01 AD |
1178 | return result; |
1179 | } | |
1180 | ||
20eda943 OB |
1181 | /* how to change VCC */ |
1182 | static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc) | |
1183 | { | |
1184 | int status; | |
1185 | u8 *buf; | |
1186 | ||
1187 | buf = kmalloc(5, GFP_KERNEL); | |
1188 | if (!buf) | |
1189 | return -ENOMEM; | |
1190 | ||
1191 | dbg("%s - enter", __func__); | |
1192 | ||
1193 | buf[0] = IUU_SET_VCC; | |
1194 | buf[1] = vcc & 0xFF; | |
1195 | buf[2] = (vcc >> 8) & 0xFF; | |
1196 | buf[3] = (vcc >> 16) & 0xFF; | |
1197 | buf[4] = (vcc >> 24) & 0xFF; | |
1198 | ||
1199 | status = bulk_immediate(port, buf, 5); | |
1200 | kfree(buf); | |
1201 | ||
1202 | if (status != IUU_OPERATION_OK) | |
1203 | dbg("%s - vcc error status = %2x", __func__, status); | |
1204 | else | |
1205 | dbg("%s - vcc OK !", __func__); | |
1206 | ||
1207 | return status; | |
1208 | } | |
1209 | ||
1210 | /* | |
1211 | * Sysfs Attributes | |
1212 | */ | |
1213 | ||
1214 | static ssize_t show_vcc_mode(struct device *dev, | |
1215 | struct device_attribute *attr, char *buf) | |
1216 | { | |
1217 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1218 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
1219 | ||
1220 | return sprintf(buf, "%d\n", priv->vcc); | |
1221 | } | |
1222 | ||
1223 | static ssize_t store_vcc_mode(struct device *dev, | |
1224 | struct device_attribute *attr, const char *buf, size_t count) | |
1225 | { | |
1226 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1227 | struct iuu_private *priv = usb_get_serial_port_data(port); | |
1228 | unsigned long v; | |
1229 | ||
1230 | if (strict_strtoul(buf, 10, &v)) { | |
1231 | dev_err(dev, "%s - vcc_mode: %s is not a unsigned long\n", | |
1232 | __func__, buf); | |
1233 | goto fail_store_vcc_mode; | |
1234 | } | |
1235 | ||
1236 | dbg("%s: setting vcc_mode = %ld", __func__, v); | |
1237 | ||
1238 | if ((v != 3) && (v != 5)) { | |
1239 | dev_err(dev, "%s - vcc_mode %ld is invalid\n", __func__, v); | |
1240 | } else { | |
1241 | iuu_vcc_set(port, v); | |
1242 | priv->vcc = v; | |
1243 | } | |
1244 | fail_store_vcc_mode: | |
1245 | return count; | |
1246 | } | |
1247 | ||
1248 | static DEVICE_ATTR(vcc_mode, S_IRUSR | S_IWUSR, show_vcc_mode, | |
1249 | store_vcc_mode); | |
1250 | ||
1251 | static int iuu_create_sysfs_attrs(struct usb_serial_port *port) | |
1252 | { | |
1253 | dbg("%s", __func__); | |
1254 | ||
1255 | return device_create_file(&port->dev, &dev_attr_vcc_mode); | |
1256 | } | |
1257 | ||
1258 | static int iuu_remove_sysfs_attrs(struct usb_serial_port *port) | |
1259 | { | |
1260 | dbg("%s", __func__); | |
1261 | ||
1262 | device_remove_file(&port->dev, &dev_attr_vcc_mode); | |
1263 | return 0; | |
1264 | } | |
1265 | ||
1266 | /* | |
1267 | * End Sysfs Attributes | |
1268 | */ | |
1269 | ||
60a8fc01 AD |
1270 | static struct usb_serial_driver iuu_device = { |
1271 | .driver = { | |
1272 | .owner = THIS_MODULE, | |
1273 | .name = "iuu_phoenix", | |
1274 | }, | |
1275 | .id_table = id_table, | |
60a8fc01 | 1276 | .num_ports = 1, |
bbcb2b90 JH |
1277 | .bulk_in_size = 512, |
1278 | .bulk_out_size = 512, | |
20eda943 OB |
1279 | .port_probe = iuu_create_sysfs_attrs, |
1280 | .port_remove = iuu_remove_sysfs_attrs, | |
60a8fc01 AD |
1281 | .open = iuu_open, |
1282 | .close = iuu_close, | |
1283 | .write = iuu_uart_write, | |
1284 | .read_bulk_callback = iuu_uart_read_callback, | |
1285 | .tiocmget = iuu_tiocmget, | |
1286 | .tiocmset = iuu_tiocmset, | |
96dab77e | 1287 | .set_termios = iuu_set_termios, |
fe1ae7fd | 1288 | .init_termios = iuu_init_termios, |
60a8fc01 | 1289 | .attach = iuu_startup, |
f9c99bb8 | 1290 | .release = iuu_release, |
60a8fc01 AD |
1291 | }; |
1292 | ||
7dbe2460 AS |
1293 | static struct usb_serial_driver * const serial_drivers[] = { |
1294 | &iuu_device, NULL | |
1295 | }; | |
1296 | ||
d01bf413 | 1297 | module_usb_serial_driver(iuu_driver, serial_drivers); |
60a8fc01 AD |
1298 | |
1299 | MODULE_AUTHOR("Alain Degreffe eczema@ecze.com"); | |
1300 | ||
1301 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1302 | MODULE_LICENSE("GPL"); | |
1303 | ||
1304 | MODULE_VERSION(DRIVER_VERSION); | |
1305 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1306 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1307 | ||
1308 | module_param(xmas, bool, S_IRUGO | S_IWUSR); | |
8844a32d | 1309 | MODULE_PARM_DESC(xmas, "Xmas colors enabled or not"); |
60a8fc01 AD |
1310 | |
1311 | module_param(boost, int, S_IRUGO | S_IWUSR); | |
8844a32d | 1312 | MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)"); |
60a8fc01 AD |
1313 | |
1314 | module_param(clockmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1315 | MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, " |
1316 | "3=6 Mhz)"); | |
60a8fc01 AD |
1317 | |
1318 | module_param(cdmode, int, S_IRUGO | S_IWUSR); | |
8844a32d OB |
1319 | MODULE_PARM_DESC(cdmode, "Card detect mode (0=none, 1=CD, 2=!CD, 3=DSR, " |
1320 | "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING)"); | |
e55c6d06 OB |
1321 | |
1322 | module_param(vcc_default, int, S_IRUGO | S_IWUSR); | |
1323 | MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 " | |
1324 | "for 5V). Default to 5."); |