1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* |
3 | * Infinity Unlimited USB Phoenix driver |
4 | * |
5 | * Copyright (C) 2010 James Courtier-Dutton (James@superbug.co.uk) |
6 | |
7 | * Copyright (C) 2007 Alain Degreffe (eczema@ecze.com) |
8 | * |
9 | * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos Borrás) |
10 | * |
11 | * And tested with help of WB Electronics |
12 | */ |
13 | #include <linux/kernel.h> |
14 | #include <linux/errno.h> |
15 | #include <linux/slab.h> |
16 | #include <linux/tty.h> |
17 | #include <linux/tty_driver.h> |
18 | #include <linux/tty_flip.h> |
19 | #include <linux/serial.h> |
20 | #include <linux/module.h> |
21 | #include <linux/moduleparam.h> |
22 | #include <linux/spinlock.h> |
23 | #include <linux/uaccess.h> |
24 | #include <linux/usb.h> |
25 | #include <linux/usb/serial.h> |
26 | #include "iuu_phoenix.h" |
27 | #include <linux/random.h> |
28 | |
29 | #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver" |
30 | |
31 | static const struct usb_device_id id_table[] = { |
32 | {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)}, |
33 | {} /* Terminating entry */ |
34 | }; |
35 | MODULE_DEVICE_TABLE(usb, id_table); |
36 | |
37 | /* turbo parameter */ |
38 | static int boost = 100; |
39 | static int clockmode = 1; |
40 | static int cdmode = 1; |
41 | static int iuu_cardin; |
42 | static int iuu_cardout; |
43 | static bool xmas; |
44 | static int vcc_default = 5; |
45 | |
46 | static int iuu_create_sysfs_attrs(struct usb_serial_port *port); |
47 | static int iuu_remove_sysfs_attrs(struct usb_serial_port *port); |
48 | static void read_rxcmd_callback(struct urb *urb); |
49 | |
50 | struct iuu_private { |
51 | spinlock_t lock; /* store irq state */ |
52 | u8 line_status; |
53 | int tiostatus; /* store IUART SIGNAL for tiocmget call */ |
54 | u8 reset; /* if 1 reset is needed */ |
55 | int poll; /* number of poll */ |
56 | u8 *writebuf; /* buffer for writing to device */ |
57 | int writelen; /* num of byte to write to device */ |
58 | u8 *buf; /* used for initialize speed */ |
59 | u8 len; |
60 | int vcc; /* vcc (either 3 or 5 V) */ |
61 | u32 boost; |
62 | u32 clk; |
63 | }; |
64 | |
65 | static int iuu_port_probe(struct usb_serial_port *port) |
66 | { |
67 | struct iuu_private *priv; |
68 | int ret; |
69 | |
70 | priv = kzalloc(size: sizeof(struct iuu_private), GFP_KERNEL); |
71 | if (!priv) |
72 | return -ENOMEM; |
73 | |
74 | priv->buf = kzalloc(size: 256, GFP_KERNEL); |
75 | if (!priv->buf) { |
76 | kfree(objp: priv); |
77 | return -ENOMEM; |
78 | } |
79 | |
80 | priv->writebuf = kzalloc(size: 256, GFP_KERNEL); |
81 | if (!priv->writebuf) { |
82 | kfree(objp: priv->buf); |
83 | kfree(objp: priv); |
84 | return -ENOMEM; |
85 | } |
86 | |
87 | priv->vcc = vcc_default; |
88 | spin_lock_init(&priv->lock); |
89 | |
90 | usb_set_serial_port_data(port, data: priv); |
91 | |
92 | ret = iuu_create_sysfs_attrs(port); |
93 | if (ret) { |
94 | kfree(objp: priv->writebuf); |
95 | kfree(objp: priv->buf); |
96 | kfree(objp: priv); |
97 | return ret; |
98 | } |
99 | |
100 | return 0; |
101 | } |
102 | |
103 | static void iuu_port_remove(struct usb_serial_port *port) |
104 | { |
105 | struct iuu_private *priv = usb_get_serial_port_data(port); |
106 | |
107 | iuu_remove_sysfs_attrs(port); |
108 | kfree(objp: priv->writebuf); |
109 | kfree(objp: priv->buf); |
110 | kfree(objp: priv); |
111 | } |
112 | |
113 | static int iuu_tiocmset(struct tty_struct *tty, |
114 | unsigned int set, unsigned int clear) |
115 | { |
116 | struct usb_serial_port *port = tty->driver_data; |
117 | struct iuu_private *priv = usb_get_serial_port_data(port); |
118 | unsigned long flags; |
119 | |
120 | /* FIXME: locking on tiomstatus */ |
121 | dev_dbg(&port->dev, "%s msg : SET = 0x%04x, CLEAR = 0x%04x\n" , |
122 | __func__, set, clear); |
123 | |
124 | spin_lock_irqsave(&priv->lock, flags); |
125 | |
126 | if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) { |
127 | dev_dbg(&port->dev, "%s TIOCMSET RESET called !!!\n" , __func__); |
128 | priv->reset = 1; |
129 | } |
130 | if (set & TIOCM_RTS) |
131 | priv->tiostatus = TIOCM_RTS; |
132 | |
133 | spin_unlock_irqrestore(lock: &priv->lock, flags); |
134 | return 0; |
135 | } |
136 | |
137 | /* This is used to provide a carrier detect mechanism |
138 | * When a card is present, the response is 0x00 |
139 | * When no card , the reader respond with TIOCM_CD |
140 | * This is known as CD autodetect mechanism |
141 | */ |
142 | static int iuu_tiocmget(struct tty_struct *tty) |
143 | { |
144 | struct usb_serial_port *port = tty->driver_data; |
145 | struct iuu_private *priv = usb_get_serial_port_data(port); |
146 | unsigned long flags; |
147 | int rc; |
148 | |
149 | spin_lock_irqsave(&priv->lock, flags); |
150 | rc = priv->tiostatus; |
151 | spin_unlock_irqrestore(lock: &priv->lock, flags); |
152 | |
153 | return rc; |
154 | } |
155 | |
156 | static void iuu_rxcmd(struct urb *urb) |
157 | { |
158 | struct usb_serial_port *port = urb->context; |
159 | int status = urb->status; |
160 | |
161 | if (status) { |
162 | dev_dbg(&port->dev, "%s - status = %d\n" , __func__, status); |
163 | /* error stop all */ |
164 | return; |
165 | } |
166 | |
167 | |
168 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); |
169 | usb_fill_bulk_urb(urb: port->write_urb, dev: port->serial->dev, |
170 | usb_sndbulkpipe(port->serial->dev, |
171 | port->bulk_out_endpointAddress), |
172 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: 1, |
173 | complete_fn: read_rxcmd_callback, context: port); |
174 | usb_submit_urb(urb: port->write_urb, GFP_ATOMIC); |
175 | } |
176 | |
177 | static int iuu_reset(struct usb_serial_port *port, u8 wt) |
178 | { |
179 | struct iuu_private *priv = usb_get_serial_port_data(port); |
180 | int result; |
181 | char *buf_ptr = port->write_urb->transfer_buffer; |
182 | |
183 | /* Prepare the reset sequence */ |
184 | |
185 | *buf_ptr++ = IUU_RST_SET; |
186 | *buf_ptr++ = IUU_DELAY_MS; |
187 | *buf_ptr++ = wt; |
188 | *buf_ptr = IUU_RST_CLEAR; |
189 | |
190 | /* send the sequence */ |
191 | |
192 | usb_fill_bulk_urb(urb: port->write_urb, |
193 | dev: port->serial->dev, |
194 | usb_sndbulkpipe(port->serial->dev, |
195 | port->bulk_out_endpointAddress), |
196 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: 4, complete_fn: iuu_rxcmd, context: port); |
197 | result = usb_submit_urb(urb: port->write_urb, GFP_ATOMIC); |
198 | priv->reset = 0; |
199 | return result; |
200 | } |
201 | |
202 | /* Status Function |
203 | * Return value is |
204 | * 0x00 = no card |
205 | * 0x01 = smartcard |
206 | * 0x02 = sim card |
207 | */ |
208 | static void iuu_update_status_callback(struct urb *urb) |
209 | { |
210 | struct usb_serial_port *port = urb->context; |
211 | struct iuu_private *priv = usb_get_serial_port_data(port); |
212 | u8 *st; |
213 | int status = urb->status; |
214 | |
215 | if (status) { |
216 | dev_dbg(&port->dev, "%s - status = %d\n" , __func__, status); |
217 | /* error stop all */ |
218 | return; |
219 | } |
220 | |
221 | st = urb->transfer_buffer; |
222 | dev_dbg(&port->dev, "%s - enter\n" , __func__); |
223 | if (urb->actual_length == 1) { |
224 | switch (st[0]) { |
225 | case 0x1: |
226 | priv->tiostatus = iuu_cardout; |
227 | break; |
228 | case 0x0: |
229 | priv->tiostatus = iuu_cardin; |
230 | break; |
231 | default: |
232 | priv->tiostatus = iuu_cardin; |
233 | } |
234 | } |
235 | iuu_rxcmd(urb); |
236 | } |
237 | |
238 | static void iuu_status_callback(struct urb *urb) |
239 | { |
240 | struct usb_serial_port *port = urb->context; |
241 | int status = urb->status; |
242 | |
243 | dev_dbg(&port->dev, "%s - status = %d\n" , __func__, status); |
244 | usb_fill_bulk_urb(urb: port->read_urb, dev: port->serial->dev, |
245 | usb_rcvbulkpipe(port->serial->dev, |
246 | port->bulk_in_endpointAddress), |
247 | transfer_buffer: port->read_urb->transfer_buffer, buffer_length: 256, |
248 | complete_fn: iuu_update_status_callback, context: port); |
249 | usb_submit_urb(urb: port->read_urb, GFP_ATOMIC); |
250 | } |
251 | |
252 | static int iuu_status(struct usb_serial_port *port) |
253 | { |
254 | int result; |
255 | |
256 | memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1); |
257 | usb_fill_bulk_urb(urb: port->write_urb, dev: port->serial->dev, |
258 | usb_sndbulkpipe(port->serial->dev, |
259 | port->bulk_out_endpointAddress), |
260 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: 1, |
261 | complete_fn: iuu_status_callback, context: port); |
262 | result = usb_submit_urb(urb: port->write_urb, GFP_ATOMIC); |
263 | return result; |
264 | |
265 | } |
266 | |
267 | static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count) |
268 | { |
269 | int status; |
270 | struct usb_serial *serial = port->serial; |
271 | int actual = 0; |
272 | |
273 | /* send the data out the bulk port */ |
274 | |
275 | status = |
276 | usb_bulk_msg(usb_dev: serial->dev, |
277 | usb_sndbulkpipe(serial->dev, |
278 | port->bulk_out_endpointAddress), data: buf, |
279 | len: count, actual_length: &actual, timeout: 1000); |
280 | |
281 | if (status != IUU_OPERATION_OK) |
282 | dev_dbg(&port->dev, "%s - error = %2x\n" , __func__, status); |
283 | else |
284 | dev_dbg(&port->dev, "%s - write OK !\n" , __func__); |
285 | return status; |
286 | } |
287 | |
288 | static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count) |
289 | { |
290 | int status; |
291 | struct usb_serial *serial = port->serial; |
292 | int actual = 0; |
293 | |
294 | /* send the data out the bulk port */ |
295 | status = |
296 | usb_bulk_msg(usb_dev: serial->dev, |
297 | usb_rcvbulkpipe(serial->dev, |
298 | port->bulk_in_endpointAddress), data: buf, |
299 | len: count, actual_length: &actual, timeout: 1000); |
300 | |
301 | if (status != IUU_OPERATION_OK) |
302 | dev_dbg(&port->dev, "%s - error = %2x\n" , __func__, status); |
303 | else |
304 | dev_dbg(&port->dev, "%s - read OK !\n" , __func__); |
305 | return status; |
306 | } |
307 | |
308 | static int iuu_led(struct usb_serial_port *port, unsigned int R, |
309 | unsigned int G, unsigned int B, u8 f) |
310 | { |
311 | int status; |
312 | u8 *buf; |
313 | buf = kmalloc(size: 8, GFP_KERNEL); |
314 | if (!buf) |
315 | return -ENOMEM; |
316 | |
317 | buf[0] = IUU_SET_LED; |
318 | buf[1] = R & 0xFF; |
319 | buf[2] = (R >> 8) & 0xFF; |
320 | buf[3] = G & 0xFF; |
321 | buf[4] = (G >> 8) & 0xFF; |
322 | buf[5] = B & 0xFF; |
323 | buf[6] = (B >> 8) & 0xFF; |
324 | buf[7] = f; |
325 | status = bulk_immediate(port, buf, count: 8); |
326 | kfree(objp: buf); |
327 | if (status != IUU_OPERATION_OK) |
328 | dev_dbg(&port->dev, "%s - led error status = %2x\n" , __func__, status); |
329 | else |
330 | dev_dbg(&port->dev, "%s - led OK !\n" , __func__); |
331 | return IUU_OPERATION_OK; |
332 | } |
333 | |
334 | static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1, |
335 | u8 b2, u8 freq) |
336 | { |
337 | *buf++ = IUU_SET_LED; |
338 | *buf++ = r1; |
339 | *buf++ = r2; |
340 | *buf++ = g1; |
341 | *buf++ = g2; |
342 | *buf++ = b1; |
343 | *buf++ = b2; |
344 | *buf = freq; |
345 | } |
346 | |
347 | static void iuu_led_activity_on(struct urb *urb) |
348 | { |
349 | struct usb_serial_port *port = urb->context; |
350 | char *buf_ptr = port->write_urb->transfer_buffer; |
351 | |
352 | if (xmas) { |
353 | buf_ptr[0] = IUU_SET_LED; |
354 | get_random_bytes(buf: buf_ptr + 1, len: 6); |
355 | buf_ptr[7] = 1; |
356 | } else { |
357 | iuu_rgbf_fill_buffer(buf: buf_ptr, r1: 255, r2: 255, g1: 0, g2: 0, b1: 0, b2: 0, freq: 255); |
358 | } |
359 | |
360 | usb_fill_bulk_urb(urb: port->write_urb, dev: port->serial->dev, |
361 | usb_sndbulkpipe(port->serial->dev, |
362 | port->bulk_out_endpointAddress), |
363 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: 8 , |
364 | complete_fn: iuu_rxcmd, context: port); |
365 | usb_submit_urb(urb: port->write_urb, GFP_ATOMIC); |
366 | } |
367 | |
368 | static void iuu_led_activity_off(struct urb *urb) |
369 | { |
370 | struct usb_serial_port *port = urb->context; |
371 | char *buf_ptr = port->write_urb->transfer_buffer; |
372 | |
373 | if (xmas) { |
374 | iuu_rxcmd(urb); |
375 | return; |
376 | } |
377 | |
378 | iuu_rgbf_fill_buffer(buf: buf_ptr, r1: 0, r2: 0, g1: 255, g2: 255, b1: 0, b2: 0, freq: 255); |
379 | |
380 | usb_fill_bulk_urb(urb: port->write_urb, dev: port->serial->dev, |
381 | usb_sndbulkpipe(port->serial->dev, |
382 | port->bulk_out_endpointAddress), |
383 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: 8 , |
384 | complete_fn: iuu_rxcmd, context: port); |
385 | usb_submit_urb(urb: port->write_urb, GFP_ATOMIC); |
386 | } |
387 | |
388 | |
389 | |
390 | static int iuu_clk(struct usb_serial_port *port, int dwFrq) |
391 | { |
392 | int status; |
393 | struct iuu_private *priv = usb_get_serial_port_data(port); |
394 | int Count = 0; |
395 | u8 FrqGenAdr = 0x69; |
396 | u8 DIV = 0; /* 8bit */ |
397 | u8 XDRV = 0; /* 8bit */ |
398 | u8 PUMP = 0; /* 3bit */ |
399 | u8 PBmsb = 0; /* 2bit */ |
400 | u8 PBlsb = 0; /* 8bit */ |
401 | u8 PO = 0; /* 1bit */ |
402 | u8 Q = 0; /* 7bit */ |
403 | /* 24bit = 3bytes */ |
404 | unsigned int P = 0; |
405 | unsigned int P2 = 0; |
406 | int frq = (int)dwFrq; |
407 | |
408 | if (frq == 0) { |
409 | priv->buf[Count++] = IUU_UART_WRITE_I2C; |
410 | priv->buf[Count++] = FrqGenAdr << 1; |
411 | priv->buf[Count++] = 0x09; |
412 | priv->buf[Count++] = 0x00; |
413 | |
414 | status = bulk_immediate(port, buf: (u8 *) priv->buf, count: Count); |
415 | if (status != 0) { |
416 | dev_dbg(&port->dev, "%s - write error\n" , __func__); |
417 | return status; |
418 | } |
419 | } else if (frq == 3579000) { |
420 | DIV = 100; |
421 | P = 1193; |
422 | Q = 40; |
423 | XDRV = 0; |
424 | } else if (frq == 3680000) { |
425 | DIV = 105; |
426 | P = 161; |
427 | Q = 5; |
428 | XDRV = 0; |
429 | } else if (frq == 6000000) { |
430 | DIV = 66; |
431 | P = 66; |
432 | Q = 2; |
433 | XDRV = 0x28; |
434 | } else { |
435 | unsigned int result = 0; |
436 | unsigned int tmp = 0; |
437 | unsigned int check; |
438 | unsigned int check2; |
439 | char found = 0x00; |
440 | unsigned int lQ = 2; |
441 | unsigned int lP = 2055; |
442 | unsigned int lDiv = 4; |
443 | |
444 | for (lQ = 2; lQ <= 47 && !found; lQ++) |
445 | for (lP = 2055; lP >= 8 && !found; lP--) |
446 | for (lDiv = 4; lDiv <= 127 && !found; lDiv++) { |
447 | tmp = (12000000 / lDiv) * (lP / lQ); |
448 | if (abs((int)(tmp - frq)) < |
449 | abs((int)(frq - result))) { |
450 | check2 = (12000000 / lQ); |
451 | if (check2 < 250000) |
452 | continue; |
453 | check = (12000000 / lQ) * lP; |
454 | if (check > 400000000) |
455 | continue; |
456 | if (check < 100000000) |
457 | continue; |
458 | if (lDiv < 4 || lDiv > 127) |
459 | continue; |
460 | result = tmp; |
461 | P = lP; |
462 | DIV = lDiv; |
463 | Q = lQ; |
464 | if (result == frq) |
465 | found = 0x01; |
466 | } |
467 | } |
468 | } |
469 | P2 = ((P - PO) / 2) - 4; |
470 | PUMP = 0x04; |
471 | PBmsb = (P2 >> 8 & 0x03); |
472 | PBlsb = P2 & 0xFF; |
473 | PO = (P >> 10) & 0x01; |
474 | Q = Q - 2; |
475 | |
476 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
477 | priv->buf[Count++] = FrqGenAdr << 1; |
478 | priv->buf[Count++] = 0x09; |
479 | priv->buf[Count++] = 0x20; /* Adr = 0x09 */ |
480 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
481 | priv->buf[Count++] = FrqGenAdr << 1; |
482 | priv->buf[Count++] = 0x0C; |
483 | priv->buf[Count++] = DIV; /* Adr = 0x0C */ |
484 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
485 | priv->buf[Count++] = FrqGenAdr << 1; |
486 | priv->buf[Count++] = 0x12; |
487 | priv->buf[Count++] = XDRV; /* Adr = 0x12 */ |
488 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
489 | priv->buf[Count++] = FrqGenAdr << 1; |
490 | priv->buf[Count++] = 0x13; |
491 | priv->buf[Count++] = 0x6B; /* Adr = 0x13 */ |
492 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
493 | priv->buf[Count++] = FrqGenAdr << 1; |
494 | priv->buf[Count++] = 0x40; |
495 | priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) | |
496 | (PBmsb & 0x03); /* Adr = 0x40 */ |
497 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
498 | priv->buf[Count++] = FrqGenAdr << 1; |
499 | priv->buf[Count++] = 0x41; |
500 | priv->buf[Count++] = PBlsb; /* Adr = 0x41 */ |
501 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
502 | priv->buf[Count++] = FrqGenAdr << 1; |
503 | priv->buf[Count++] = 0x42; |
504 | priv->buf[Count++] = Q | (((PO & 0x01) << 7)); /* Adr = 0x42 */ |
505 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
506 | priv->buf[Count++] = FrqGenAdr << 1; |
507 | priv->buf[Count++] = 0x44; |
508 | priv->buf[Count++] = (char)0xFF; /* Adr = 0x44 */ |
509 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
510 | priv->buf[Count++] = FrqGenAdr << 1; |
511 | priv->buf[Count++] = 0x45; |
512 | priv->buf[Count++] = (char)0xFE; /* Adr = 0x45 */ |
513 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
514 | priv->buf[Count++] = FrqGenAdr << 1; |
515 | priv->buf[Count++] = 0x46; |
516 | priv->buf[Count++] = 0x7F; /* Adr = 0x46 */ |
517 | priv->buf[Count++] = IUU_UART_WRITE_I2C; /* 0x4C */ |
518 | priv->buf[Count++] = FrqGenAdr << 1; |
519 | priv->buf[Count++] = 0x47; |
520 | priv->buf[Count++] = (char)0x84; /* Adr = 0x47 */ |
521 | |
522 | status = bulk_immediate(port, buf: (u8 *) priv->buf, count: Count); |
523 | if (status != IUU_OPERATION_OK) |
524 | dev_dbg(&port->dev, "%s - write error\n" , __func__); |
525 | return status; |
526 | } |
527 | |
528 | static int iuu_uart_flush(struct usb_serial_port *port) |
529 | { |
530 | struct device *dev = &port->dev; |
531 | int i; |
532 | int status; |
533 | u8 *rxcmd; |
534 | struct iuu_private *priv = usb_get_serial_port_data(port); |
535 | |
536 | if (iuu_led(port, R: 0xF000, G: 0, B: 0, f: 0xFF) < 0) |
537 | return -EIO; |
538 | |
539 | rxcmd = kmalloc(size: 1, GFP_KERNEL); |
540 | if (!rxcmd) |
541 | return -ENOMEM; |
542 | |
543 | rxcmd[0] = IUU_UART_RX; |
544 | |
545 | for (i = 0; i < 2; i++) { |
546 | status = bulk_immediate(port, buf: rxcmd, count: 1); |
547 | if (status != IUU_OPERATION_OK) { |
548 | dev_dbg(dev, "%s - uart_flush_write error\n" , __func__); |
549 | goto out_free; |
550 | } |
551 | |
552 | status = read_immediate(port, buf: &priv->len, count: 1); |
553 | if (status != IUU_OPERATION_OK) { |
554 | dev_dbg(dev, "%s - uart_flush_read error\n" , __func__); |
555 | goto out_free; |
556 | } |
557 | |
558 | if (priv->len > 0) { |
559 | dev_dbg(dev, "%s - uart_flush datalen is : %i\n" , __func__, priv->len); |
560 | status = read_immediate(port, buf: priv->buf, count: priv->len); |
561 | if (status != IUU_OPERATION_OK) { |
562 | dev_dbg(dev, "%s - uart_flush_read error\n" , __func__); |
563 | goto out_free; |
564 | } |
565 | } |
566 | } |
567 | dev_dbg(dev, "%s - uart_flush_read OK!\n" , __func__); |
568 | iuu_led(port, R: 0, G: 0xF000, B: 0, f: 0xFF); |
569 | |
570 | out_free: |
571 | kfree(objp: rxcmd); |
572 | |
573 | return status; |
574 | } |
575 | |
576 | static void read_buf_callback(struct urb *urb) |
577 | { |
578 | struct usb_serial_port *port = urb->context; |
579 | unsigned char *data = urb->transfer_buffer; |
580 | int status = urb->status; |
581 | |
582 | if (status) { |
583 | if (status == -EPROTO) { |
584 | /* reschedule needed */ |
585 | } |
586 | return; |
587 | } |
588 | |
589 | dev_dbg(&port->dev, "%s - %i chars to write\n" , __func__, urb->actual_length); |
590 | |
591 | if (urb->actual_length) { |
592 | tty_insert_flip_string(port: &port->port, chars: data, size: urb->actual_length); |
593 | tty_flip_buffer_push(port: &port->port); |
594 | } |
595 | iuu_led_activity_on(urb); |
596 | } |
597 | |
598 | static int iuu_bulk_write(struct usb_serial_port *port) |
599 | { |
600 | struct iuu_private *priv = usb_get_serial_port_data(port); |
601 | unsigned long flags; |
602 | int result; |
603 | int buf_len; |
604 | char *buf_ptr = port->write_urb->transfer_buffer; |
605 | |
606 | spin_lock_irqsave(&priv->lock, flags); |
607 | *buf_ptr++ = IUU_UART_ESC; |
608 | *buf_ptr++ = IUU_UART_TX; |
609 | *buf_ptr++ = priv->writelen; |
610 | |
611 | memcpy(buf_ptr, priv->writebuf, priv->writelen); |
612 | buf_len = priv->writelen; |
613 | priv->writelen = 0; |
614 | spin_unlock_irqrestore(lock: &priv->lock, flags); |
615 | dev_dbg(&port->dev, "%s - writing %i chars : %*ph\n" , __func__, |
616 | buf_len, buf_len, buf_ptr); |
617 | usb_fill_bulk_urb(urb: port->write_urb, dev: port->serial->dev, |
618 | usb_sndbulkpipe(port->serial->dev, |
619 | port->bulk_out_endpointAddress), |
620 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: buf_len + 3, |
621 | complete_fn: iuu_rxcmd, context: port); |
622 | result = usb_submit_urb(urb: port->write_urb, GFP_ATOMIC); |
623 | usb_serial_port_softint(port); |
624 | return result; |
625 | } |
626 | |
627 | static int iuu_read_buf(struct usb_serial_port *port, int len) |
628 | { |
629 | int result; |
630 | |
631 | usb_fill_bulk_urb(urb: port->read_urb, dev: port->serial->dev, |
632 | usb_rcvbulkpipe(port->serial->dev, |
633 | port->bulk_in_endpointAddress), |
634 | transfer_buffer: port->read_urb->transfer_buffer, buffer_length: len, |
635 | complete_fn: read_buf_callback, context: port); |
636 | result = usb_submit_urb(urb: port->read_urb, GFP_ATOMIC); |
637 | return result; |
638 | } |
639 | |
640 | static void iuu_uart_read_callback(struct urb *urb) |
641 | { |
642 | struct usb_serial_port *port = urb->context; |
643 | struct iuu_private *priv = usb_get_serial_port_data(port); |
644 | unsigned long flags; |
645 | int status = urb->status; |
646 | int len = 0; |
647 | unsigned char *data = urb->transfer_buffer; |
648 | priv->poll++; |
649 | |
650 | if (status) { |
651 | dev_dbg(&port->dev, "%s - status = %d\n" , __func__, status); |
652 | /* error stop all */ |
653 | return; |
654 | } |
655 | |
656 | if (urb->actual_length == 1) |
657 | len = (int) data[0]; |
658 | |
659 | if (urb->actual_length > 1) { |
660 | dev_dbg(&port->dev, "%s - urb->actual_length = %i\n" , __func__, |
661 | urb->actual_length); |
662 | return; |
663 | } |
664 | /* if len > 0 call readbuf */ |
665 | |
666 | if (len > 0) { |
667 | dev_dbg(&port->dev, "%s - call read buf - len to read is %i\n" , |
668 | __func__, len); |
669 | status = iuu_read_buf(port, len); |
670 | return; |
671 | } |
672 | /* need to update status ? */ |
673 | if (priv->poll > 99) { |
674 | status = iuu_status(port); |
675 | priv->poll = 0; |
676 | return; |
677 | } |
678 | |
679 | /* reset waiting ? */ |
680 | |
681 | if (priv->reset == 1) { |
682 | status = iuu_reset(port, wt: 0xC); |
683 | return; |
684 | } |
685 | /* Writebuf is waiting */ |
686 | spin_lock_irqsave(&priv->lock, flags); |
687 | if (priv->writelen > 0) { |
688 | spin_unlock_irqrestore(lock: &priv->lock, flags); |
689 | status = iuu_bulk_write(port); |
690 | return; |
691 | } |
692 | spin_unlock_irqrestore(lock: &priv->lock, flags); |
693 | /* if nothing to write call again rxcmd */ |
694 | dev_dbg(&port->dev, "%s - rxcmd recall\n" , __func__); |
695 | iuu_led_activity_off(urb); |
696 | } |
697 | |
698 | static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port, |
699 | const u8 *buf, int count) |
700 | { |
701 | struct iuu_private *priv = usb_get_serial_port_data(port); |
702 | unsigned long flags; |
703 | |
704 | spin_lock_irqsave(&priv->lock, flags); |
705 | |
706 | count = min(count, 256 - priv->writelen); |
707 | if (count == 0) |
708 | goto out; |
709 | |
710 | /* fill the buffer */ |
711 | memcpy(priv->writebuf + priv->writelen, buf, count); |
712 | priv->writelen += count; |
713 | out: |
714 | spin_unlock_irqrestore(lock: &priv->lock, flags); |
715 | |
716 | return count; |
717 | } |
718 | |
719 | static void read_rxcmd_callback(struct urb *urb) |
720 | { |
721 | struct usb_serial_port *port = urb->context; |
722 | int result; |
723 | int status = urb->status; |
724 | |
725 | if (status) { |
726 | /* error stop all */ |
727 | return; |
728 | } |
729 | |
730 | usb_fill_bulk_urb(urb: port->read_urb, dev: port->serial->dev, |
731 | usb_rcvbulkpipe(port->serial->dev, |
732 | port->bulk_in_endpointAddress), |
733 | transfer_buffer: port->read_urb->transfer_buffer, buffer_length: 256, |
734 | complete_fn: iuu_uart_read_callback, context: port); |
735 | result = usb_submit_urb(urb: port->read_urb, GFP_ATOMIC); |
736 | dev_dbg(&port->dev, "%s - submit result = %d\n" , __func__, result); |
737 | } |
738 | |
739 | static int iuu_uart_on(struct usb_serial_port *port) |
740 | { |
741 | int status; |
742 | u8 *buf; |
743 | |
744 | buf = kmalloc(size: 4, GFP_KERNEL); |
745 | |
746 | if (!buf) |
747 | return -ENOMEM; |
748 | |
749 | buf[0] = IUU_UART_ENABLE; |
750 | buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF); |
751 | buf[2] = (u8) (0x00FF & IUU_BAUD_9600); |
752 | buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN); |
753 | |
754 | status = bulk_immediate(port, buf, count: 4); |
755 | if (status != IUU_OPERATION_OK) { |
756 | dev_dbg(&port->dev, "%s - uart_on error\n" , __func__); |
757 | goto uart_enable_failed; |
758 | } |
759 | /* iuu_reset() the card after iuu_uart_on() */ |
760 | status = iuu_uart_flush(port); |
761 | if (status != IUU_OPERATION_OK) |
762 | dev_dbg(&port->dev, "%s - uart_flush error\n" , __func__); |
763 | uart_enable_failed: |
764 | kfree(objp: buf); |
765 | return status; |
766 | } |
767 | |
768 | /* Disables the IUU UART (a.k.a. the Phoenix voiderface) */ |
769 | static int iuu_uart_off(struct usb_serial_port *port) |
770 | { |
771 | int status; |
772 | u8 *buf; |
773 | buf = kmalloc(size: 1, GFP_KERNEL); |
774 | if (!buf) |
775 | return -ENOMEM; |
776 | buf[0] = IUU_UART_DISABLE; |
777 | |
778 | status = bulk_immediate(port, buf, count: 1); |
779 | if (status != IUU_OPERATION_OK) |
780 | dev_dbg(&port->dev, "%s - uart_off error\n" , __func__); |
781 | |
782 | kfree(objp: buf); |
783 | return status; |
784 | } |
785 | |
786 | static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base, |
787 | u32 *actual, u8 parity) |
788 | { |
789 | int status; |
790 | u32 baud; |
791 | u8 *dataout; |
792 | u8 DataCount = 0; |
793 | u8 T1Frekvens = 0; |
794 | u8 T1reload = 0; |
795 | unsigned int T1FrekvensHZ = 0; |
796 | |
797 | dev_dbg(&port->dev, "%s - enter baud_base=%d\n" , __func__, baud_base); |
798 | dataout = kmalloc(size: 5, GFP_KERNEL); |
799 | |
800 | if (!dataout) |
801 | return -ENOMEM; |
802 | /*baud = (((priv->clk / 35) * baud_base) / 100000); */ |
803 | baud = baud_base; |
804 | |
805 | if (baud < 1200 || baud > 230400) { |
806 | kfree(objp: dataout); |
807 | return IUU_INVALID_PARAMETER; |
808 | } |
809 | if (baud > 977) { |
810 | T1Frekvens = 3; |
811 | T1FrekvensHZ = 500000; |
812 | } |
813 | |
814 | if (baud > 3906) { |
815 | T1Frekvens = 2; |
816 | T1FrekvensHZ = 2000000; |
817 | } |
818 | |
819 | if (baud > 11718) { |
820 | T1Frekvens = 1; |
821 | T1FrekvensHZ = 6000000; |
822 | } |
823 | |
824 | if (baud > 46875) { |
825 | T1Frekvens = 0; |
826 | T1FrekvensHZ = 24000000; |
827 | } |
828 | |
829 | T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2)); |
830 | |
831 | /* magic number here: ENTER_FIRMWARE_UPDATE; */ |
832 | dataout[DataCount++] = IUU_UART_ESC; |
833 | /* magic number here: CHANGE_BAUD; */ |
834 | dataout[DataCount++] = IUU_UART_CHANGE; |
835 | dataout[DataCount++] = T1Frekvens; |
836 | dataout[DataCount++] = T1reload; |
837 | |
838 | *actual = (T1FrekvensHZ / (256 - T1reload)) / 2; |
839 | |
840 | switch (parity & 0x0F) { |
841 | case IUU_PARITY_NONE: |
842 | dataout[DataCount++] = 0x00; |
843 | break; |
844 | case IUU_PARITY_EVEN: |
845 | dataout[DataCount++] = 0x01; |
846 | break; |
847 | case IUU_PARITY_ODD: |
848 | dataout[DataCount++] = 0x02; |
849 | break; |
850 | case IUU_PARITY_MARK: |
851 | dataout[DataCount++] = 0x03; |
852 | break; |
853 | case IUU_PARITY_SPACE: |
854 | dataout[DataCount++] = 0x04; |
855 | break; |
856 | default: |
857 | kfree(objp: dataout); |
858 | return IUU_INVALID_PARAMETER; |
859 | } |
860 | |
861 | switch (parity & 0xF0) { |
862 | case IUU_ONE_STOP_BIT: |
863 | dataout[DataCount - 1] |= IUU_ONE_STOP_BIT; |
864 | break; |
865 | |
866 | case IUU_TWO_STOP_BITS: |
867 | dataout[DataCount - 1] |= IUU_TWO_STOP_BITS; |
868 | break; |
869 | default: |
870 | kfree(objp: dataout); |
871 | return IUU_INVALID_PARAMETER; |
872 | } |
873 | |
874 | status = bulk_immediate(port, buf: dataout, count: DataCount); |
875 | if (status != IUU_OPERATION_OK) |
876 | dev_dbg(&port->dev, "%s - uart_off error\n" , __func__); |
877 | kfree(objp: dataout); |
878 | return status; |
879 | } |
880 | |
881 | static void iuu_set_termios(struct tty_struct *tty, |
882 | struct usb_serial_port *port, |
883 | const struct ktermios *old_termios) |
884 | { |
885 | const u32 supported_mask = CMSPAR|PARENB|PARODD; |
886 | struct iuu_private *priv = usb_get_serial_port_data(port); |
887 | unsigned int cflag = tty->termios.c_cflag; |
888 | int status; |
889 | u32 actual; |
890 | u32 parity; |
891 | int csize = CS7; |
892 | int baud; |
893 | u32 newval = cflag & supported_mask; |
894 | |
895 | /* Just use the ospeed. ispeed should be the same. */ |
896 | baud = tty->termios.c_ospeed; |
897 | |
898 | dev_dbg(&port->dev, "%s - enter c_ospeed or baud=%d\n" , __func__, baud); |
899 | |
900 | /* compute the parity parameter */ |
901 | parity = 0; |
902 | if (cflag & CMSPAR) { /* Using mark space */ |
903 | if (cflag & PARODD) |
904 | parity |= IUU_PARITY_SPACE; |
905 | else |
906 | parity |= IUU_PARITY_MARK; |
907 | } else if (!(cflag & PARENB)) { |
908 | parity |= IUU_PARITY_NONE; |
909 | csize = CS8; |
910 | } else if (cflag & PARODD) |
911 | parity |= IUU_PARITY_ODD; |
912 | else |
913 | parity |= IUU_PARITY_EVEN; |
914 | |
915 | parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT); |
916 | |
917 | /* set it */ |
918 | status = iuu_uart_baud(port, |
919 | baud_base: baud * priv->boost / 100, |
920 | actual: &actual, parity); |
921 | |
922 | /* set the termios value to the real one, so the user now what has |
923 | * changed. We support few fields so its easies to copy the old hw |
924 | * settings back over and then adjust them |
925 | */ |
926 | if (old_termios) |
927 | tty_termios_copy_hw(new: &tty->termios, old: old_termios); |
928 | if (status != 0) /* Set failed - return old bits */ |
929 | return; |
930 | /* Re-encode speed, parity and csize */ |
931 | tty_encode_baud_rate(tty, ibaud: baud, obaud: baud); |
932 | tty->termios.c_cflag &= ~(supported_mask|CSIZE); |
933 | tty->termios.c_cflag |= newval | csize; |
934 | } |
935 | |
936 | static void iuu_close(struct usb_serial_port *port) |
937 | { |
938 | /* iuu_led (port,255,0,0,0); */ |
939 | |
940 | iuu_uart_off(port); |
941 | |
942 | usb_kill_urb(urb: port->write_urb); |
943 | usb_kill_urb(urb: port->read_urb); |
944 | |
945 | iuu_led(port, R: 0, G: 0, B: 0xF000, f: 0xFF); |
946 | } |
947 | |
948 | static void iuu_init_termios(struct tty_struct *tty) |
949 | { |
950 | tty->termios.c_cflag = B9600 | CS8 | CSTOPB | CREAD | PARENB | CLOCAL; |
951 | tty->termios.c_ispeed = 9600; |
952 | tty->termios.c_ospeed = 9600; |
953 | tty->termios.c_lflag = 0; |
954 | tty->termios.c_oflag = 0; |
955 | tty->termios.c_iflag = 0; |
956 | } |
957 | |
958 | static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) |
959 | { |
960 | struct usb_serial *serial = port->serial; |
961 | struct device *dev = &port->dev; |
962 | int result; |
963 | int baud; |
964 | u32 actual; |
965 | struct iuu_private *priv = usb_get_serial_port_data(port); |
966 | |
967 | baud = tty->termios.c_ospeed; |
968 | |
969 | dev_dbg(dev, "%s - baud %d\n" , __func__, baud); |
970 | usb_clear_halt(dev: serial->dev, pipe: port->write_urb->pipe); |
971 | usb_clear_halt(dev: serial->dev, pipe: port->read_urb->pipe); |
972 | |
973 | priv->poll = 0; |
974 | |
975 | #define SOUP(a, b, c, d) do { \ |
976 | result = usb_control_msg(port->serial->dev, \ |
977 | usb_sndctrlpipe(port->serial->dev, 0), \ |
978 | b, a, c, d, NULL, 0, 1000); \ |
979 | dev_dbg(dev, "0x%x:0x%x:0x%x:0x%x %d\n", a, b, c, d, result); } while (0) |
980 | |
981 | /* This is not UART related but IUU USB driver related or something */ |
982 | /* like that. Basically no IUU will accept any commands from the USB */ |
983 | /* host unless it has received the following message */ |
984 | /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */ |
985 | |
986 | SOUP(0x03, 0x02, 0x02, 0x0); |
987 | |
988 | iuu_led(port, R: 0xF000, G: 0xF000, B: 0, f: 0xFF); |
989 | iuu_uart_on(port); |
990 | if (boost < 100) |
991 | boost = 100; |
992 | priv->boost = boost; |
993 | switch (clockmode) { |
994 | case 2: /* 3.680 Mhz */ |
995 | priv->clk = IUU_CLK_3680000; |
996 | iuu_clk(port, IUU_CLK_3680000 * boost / 100); |
997 | result = |
998 | iuu_uart_baud(port, baud_base: baud * boost / 100, actual: &actual, |
999 | IUU_PARITY_EVEN); |
1000 | break; |
1001 | case 3: /* 6.00 Mhz */ |
1002 | iuu_clk(port, IUU_CLK_6000000 * boost / 100); |
1003 | priv->clk = IUU_CLK_6000000; |
1004 | /* Ratio of 6000000 to 3500000 for baud 9600 */ |
1005 | result = |
1006 | iuu_uart_baud(port, baud_base: 16457 * boost / 100, actual: &actual, |
1007 | IUU_PARITY_EVEN); |
1008 | break; |
1009 | default: /* 3.579 Mhz */ |
1010 | iuu_clk(port, IUU_CLK_3579000 * boost / 100); |
1011 | priv->clk = IUU_CLK_3579000; |
1012 | result = |
1013 | iuu_uart_baud(port, baud_base: baud * boost / 100, actual: &actual, |
1014 | IUU_PARITY_EVEN); |
1015 | } |
1016 | |
1017 | /* set the cardin cardout signals */ |
1018 | switch (cdmode) { |
1019 | case 0: |
1020 | iuu_cardin = 0; |
1021 | iuu_cardout = 0; |
1022 | break; |
1023 | case 1: |
1024 | iuu_cardin = TIOCM_CD; |
1025 | iuu_cardout = 0; |
1026 | break; |
1027 | case 2: |
1028 | iuu_cardin = 0; |
1029 | iuu_cardout = TIOCM_CD; |
1030 | break; |
1031 | case 3: |
1032 | iuu_cardin = TIOCM_DSR; |
1033 | iuu_cardout = 0; |
1034 | break; |
1035 | case 4: |
1036 | iuu_cardin = 0; |
1037 | iuu_cardout = TIOCM_DSR; |
1038 | break; |
1039 | case 5: |
1040 | iuu_cardin = TIOCM_CTS; |
1041 | iuu_cardout = 0; |
1042 | break; |
1043 | case 6: |
1044 | iuu_cardin = 0; |
1045 | iuu_cardout = TIOCM_CTS; |
1046 | break; |
1047 | case 7: |
1048 | iuu_cardin = TIOCM_RNG; |
1049 | iuu_cardout = 0; |
1050 | break; |
1051 | case 8: |
1052 | iuu_cardin = 0; |
1053 | iuu_cardout = TIOCM_RNG; |
1054 | } |
1055 | |
1056 | iuu_uart_flush(port); |
1057 | |
1058 | dev_dbg(dev, "%s - initialization done\n" , __func__); |
1059 | |
1060 | memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1); |
1061 | usb_fill_bulk_urb(urb: port->write_urb, dev: port->serial->dev, |
1062 | usb_sndbulkpipe(port->serial->dev, |
1063 | port->bulk_out_endpointAddress), |
1064 | transfer_buffer: port->write_urb->transfer_buffer, buffer_length: 1, |
1065 | complete_fn: read_rxcmd_callback, context: port); |
1066 | result = usb_submit_urb(urb: port->write_urb, GFP_KERNEL); |
1067 | if (result) { |
1068 | dev_err(dev, "%s - failed submitting read urb, error %d\n" , __func__, result); |
1069 | iuu_close(port); |
1070 | } else { |
1071 | dev_dbg(dev, "%s - rxcmd OK\n" , __func__); |
1072 | } |
1073 | |
1074 | return result; |
1075 | } |
1076 | |
1077 | /* how to change VCC */ |
1078 | static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc) |
1079 | { |
1080 | int status; |
1081 | u8 *buf; |
1082 | |
1083 | buf = kmalloc(size: 5, GFP_KERNEL); |
1084 | if (!buf) |
1085 | return -ENOMEM; |
1086 | |
1087 | buf[0] = IUU_SET_VCC; |
1088 | buf[1] = vcc & 0xFF; |
1089 | buf[2] = (vcc >> 8) & 0xFF; |
1090 | buf[3] = (vcc >> 16) & 0xFF; |
1091 | buf[4] = (vcc >> 24) & 0xFF; |
1092 | |
1093 | status = bulk_immediate(port, buf, count: 5); |
1094 | kfree(objp: buf); |
1095 | |
1096 | if (status != IUU_OPERATION_OK) |
1097 | dev_dbg(&port->dev, "%s - vcc error status = %2x\n" , __func__, status); |
1098 | else |
1099 | dev_dbg(&port->dev, "%s - vcc OK !\n" , __func__); |
1100 | |
1101 | return status; |
1102 | } |
1103 | |
1104 | /* |
1105 | * Sysfs Attributes |
1106 | */ |
1107 | |
1108 | static ssize_t vcc_mode_show(struct device *dev, |
1109 | struct device_attribute *attr, char *buf) |
1110 | { |
1111 | struct usb_serial_port *port = to_usb_serial_port(dev); |
1112 | struct iuu_private *priv = usb_get_serial_port_data(port); |
1113 | |
1114 | return sprintf(buf, fmt: "%d\n" , priv->vcc); |
1115 | } |
1116 | |
1117 | static ssize_t vcc_mode_store(struct device *dev, |
1118 | struct device_attribute *attr, const char *buf, size_t count) |
1119 | { |
1120 | struct usb_serial_port *port = to_usb_serial_port(dev); |
1121 | struct iuu_private *priv = usb_get_serial_port_data(port); |
1122 | unsigned long v; |
1123 | |
1124 | if (kstrtoul(s: buf, base: 10, res: &v)) { |
1125 | dev_err(dev, "%s - vcc_mode: %s is not a unsigned long\n" , |
1126 | __func__, buf); |
1127 | goto fail_store_vcc_mode; |
1128 | } |
1129 | |
1130 | dev_dbg(dev, "%s: setting vcc_mode = %ld\n" , __func__, v); |
1131 | |
1132 | if ((v != 3) && (v != 5)) { |
1133 | dev_err(dev, "%s - vcc_mode %ld is invalid\n" , __func__, v); |
1134 | } else { |
1135 | iuu_vcc_set(port, vcc: v); |
1136 | priv->vcc = v; |
1137 | } |
1138 | fail_store_vcc_mode: |
1139 | return count; |
1140 | } |
1141 | static DEVICE_ATTR_RW(vcc_mode); |
1142 | |
1143 | static int iuu_create_sysfs_attrs(struct usb_serial_port *port) |
1144 | { |
1145 | return device_create_file(device: &port->dev, entry: &dev_attr_vcc_mode); |
1146 | } |
1147 | |
1148 | static int iuu_remove_sysfs_attrs(struct usb_serial_port *port) |
1149 | { |
1150 | device_remove_file(dev: &port->dev, attr: &dev_attr_vcc_mode); |
1151 | return 0; |
1152 | } |
1153 | |
1154 | /* |
1155 | * End Sysfs Attributes |
1156 | */ |
1157 | |
1158 | static struct usb_serial_driver iuu_device = { |
1159 | .driver = { |
1160 | .owner = THIS_MODULE, |
1161 | .name = "iuu_phoenix" , |
1162 | }, |
1163 | .id_table = id_table, |
1164 | .num_ports = 1, |
1165 | .num_bulk_in = 1, |
1166 | .num_bulk_out = 1, |
1167 | .bulk_in_size = 512, |
1168 | .bulk_out_size = 512, |
1169 | .open = iuu_open, |
1170 | .close = iuu_close, |
1171 | .write = iuu_uart_write, |
1172 | .read_bulk_callback = iuu_uart_read_callback, |
1173 | .tiocmget = iuu_tiocmget, |
1174 | .tiocmset = iuu_tiocmset, |
1175 | .set_termios = iuu_set_termios, |
1176 | .init_termios = iuu_init_termios, |
1177 | .port_probe = iuu_port_probe, |
1178 | .port_remove = iuu_port_remove, |
1179 | }; |
1180 | |
1181 | static struct usb_serial_driver * const serial_drivers[] = { |
1182 | &iuu_device, NULL |
1183 | }; |
1184 | |
1185 | module_usb_serial_driver(serial_drivers, id_table); |
1186 | |
1187 | MODULE_AUTHOR("Alain Degreffe eczema@ecze.com" ); |
1188 | |
1189 | MODULE_DESCRIPTION(DRIVER_DESC); |
1190 | MODULE_LICENSE("GPL" ); |
1191 | |
1192 | module_param(xmas, bool, 0644); |
1193 | MODULE_PARM_DESC(xmas, "Xmas colors enabled or not" ); |
1194 | |
1195 | module_param(boost, int, 0644); |
1196 | MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)" ); |
1197 | |
1198 | module_param(clockmode, int, 0644); |
1199 | MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, " |
1200 | "3=6 Mhz)" ); |
1201 | |
1202 | module_param(cdmode, int, 0644); |
1203 | MODULE_PARM_DESC(cdmode, "Card detect mode (0=none, 1=CD, 2=!CD, 3=DSR, " |
1204 | "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING)" ); |
1205 | |
1206 | module_param(vcc_default, int, 0644); |
1207 | MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 " |
1208 | "for 5V). Default to 5." ); |
1209 | |