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5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0+ |
1da177e4 LT |
2 | /* |
3 | Keyspan USB to Serial Converter driver | |
deb91685 | 4 | |
1da177e4 LT |
5 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
6 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
deb91685 | 7 | |
631dd1a8 | 8 | See http://blemings.org/hugh/keyspan.html for more information. |
deb91685 | 9 | |
1da177e4 LT |
10 | Code in this driver inspired by and in a number of places taken |
11 | from Brian Warner's original Keyspan-PDA driver. | |
12 | ||
13 | This driver has been put together with the support of Innosys, Inc. | |
14 | and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. | |
15 | Thanks Guys :) | |
deb91685 | 16 | |
1da177e4 LT |
17 | Thanks to Paulus for miscellaneous tidy ups, some largish chunks |
18 | of much nicer and/or completely new code and (perhaps most uniquely) | |
19 | having the patience to sit down and explain why and where he'd changed | |
deb91685 AC |
20 | stuff. |
21 | ||
22 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
1da177e4 | 23 | staff in their work on open source projects. |
1da177e4 LT |
24 | */ |
25 | ||
26 | ||
1da177e4 LT |
27 | #include <linux/kernel.h> |
28 | #include <linux/jiffies.h> | |
29 | #include <linux/errno.h> | |
1da177e4 LT |
30 | #include <linux/slab.h> |
31 | #include <linux/tty.h> | |
32 | #include <linux/tty_driver.h> | |
33 | #include <linux/tty_flip.h> | |
34 | #include <linux/module.h> | |
35 | #include <linux/spinlock.h> | |
deb91685 | 36 | #include <linux/uaccess.h> |
1da177e4 | 37 | #include <linux/usb.h> |
a969888c | 38 | #include <linux/usb/serial.h> |
cc183e2a | 39 | #include <linux/usb/ezusb.h> |
1da177e4 | 40 | |
1da177e4 LT |
41 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
42 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
43 | ||
beabdc3c JH |
44 | /* Function prototypes for Keyspan serial converter */ |
45 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port); | |
46 | static void keyspan_close(struct usb_serial_port *port); | |
47 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on); | |
48 | static int keyspan_startup(struct usb_serial *serial); | |
49 | static void keyspan_disconnect(struct usb_serial *serial); | |
50 | static void keyspan_release(struct usb_serial *serial); | |
51 | static int keyspan_port_probe(struct usb_serial_port *port); | |
52 | static int keyspan_port_remove(struct usb_serial_port *port); | |
53 | static int keyspan_write_room(struct tty_struct *tty); | |
54 | static int keyspan_write(struct tty_struct *tty, struct usb_serial_port *port, | |
55 | const unsigned char *buf, int count); | |
56 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port); | |
57 | static void keyspan_set_termios(struct tty_struct *tty, | |
58 | struct usb_serial_port *port, | |
59 | struct ktermios *old); | |
60 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state); | |
61 | static int keyspan_tiocmget(struct tty_struct *tty); | |
62 | static int keyspan_tiocmset(struct tty_struct *tty, unsigned int set, | |
63 | unsigned int clear); | |
64 | static int keyspan_fake_startup(struct usb_serial *serial); | |
65 | ||
66 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, | |
67 | u32 baud_rate, u32 baudclk, | |
68 | u8 *rate_hi, u8 *rate_low, | |
69 | u8 *prescaler, int portnum); | |
70 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, | |
71 | u32 baud_rate, u32 baudclk, | |
72 | u8 *rate_hi, u8 *rate_low, | |
73 | u8 *prescaler, int portnum); | |
74 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, | |
75 | u32 baud_rate, u32 baudclk, | |
76 | u8 *rate_hi, u8 *rate_low, | |
77 | u8 *prescaler, int portnum); | |
78 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, | |
79 | u32 baud_rate, u32 baudclk, | |
80 | u8 *rate_hi, u8 *rate_low, | |
81 | u8 *prescaler, int portnum); | |
82 | ||
83 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
84 | struct usb_serial_port *port, | |
85 | int reset_port); | |
86 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
87 | struct usb_serial_port *port, | |
88 | int reset_port); | |
89 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
90 | struct usb_serial_port *port, | |
91 | int reset_port); | |
92 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
93 | struct usb_serial_port *port, | |
94 | int reset_port); | |
95 | static int keyspan_usa67_send_setup(struct usb_serial *serial, | |
96 | struct usb_serial_port *port, | |
97 | int reset_port); | |
98 | ||
99 | /* Values used for baud rate calculation - device specific */ | |
100 | #define KEYSPAN_INVALID_BAUD_RATE (-1) | |
101 | #define KEYSPAN_BAUD_RATE_OK (0) | |
102 | #define KEYSPAN_USA18X_BAUDCLK (12000000L) /* a guess */ | |
103 | #define KEYSPAN_USA19_BAUDCLK (12000000L) | |
104 | #define KEYSPAN_USA19W_BAUDCLK (24000000L) | |
105 | #define KEYSPAN_USA19HS_BAUDCLK (14769231L) | |
106 | #define KEYSPAN_USA28_BAUDCLK (1843200L) | |
107 | #define KEYSPAN_USA28X_BAUDCLK (12000000L) | |
108 | #define KEYSPAN_USA49W_BAUDCLK (48000000L) | |
109 | ||
110 | /* Some constants used to characterise each device. */ | |
111 | #define KEYSPAN_MAX_NUM_PORTS (4) | |
112 | #define KEYSPAN_MAX_FLIPS (2) | |
113 | ||
114 | /* | |
115 | * Device info for the Keyspan serial converter, used by the overall | |
116 | * usb-serial probe function. | |
117 | */ | |
118 | #define KEYSPAN_VENDOR_ID (0x06cd) | |
119 | ||
120 | /* Product IDs for the products supported, pre-renumeration */ | |
121 | #define keyspan_usa18x_pre_product_id 0x0105 | |
122 | #define keyspan_usa19_pre_product_id 0x0103 | |
123 | #define keyspan_usa19qi_pre_product_id 0x010b | |
124 | #define keyspan_mpr_pre_product_id 0x011b | |
125 | #define keyspan_usa19qw_pre_product_id 0x0118 | |
126 | #define keyspan_usa19w_pre_product_id 0x0106 | |
127 | #define keyspan_usa28_pre_product_id 0x0101 | |
128 | #define keyspan_usa28x_pre_product_id 0x0102 | |
129 | #define keyspan_usa28xa_pre_product_id 0x0114 | |
130 | #define keyspan_usa28xb_pre_product_id 0x0113 | |
131 | #define keyspan_usa49w_pre_product_id 0x0109 | |
132 | #define keyspan_usa49wlc_pre_product_id 0x011a | |
133 | ||
134 | /* | |
135 | * Product IDs post-renumeration. Note that the 28x and 28xb have the same | |
136 | * id's post-renumeration but behave identically so it's not an issue. As | |
137 | * such, the 28xb is not listed in any of the device tables. | |
138 | */ | |
139 | #define keyspan_usa18x_product_id 0x0112 | |
140 | #define keyspan_usa19_product_id 0x0107 | |
141 | #define keyspan_usa19qi_product_id 0x010c | |
142 | #define keyspan_usa19hs_product_id 0x0121 | |
143 | #define keyspan_mpr_product_id 0x011c | |
144 | #define keyspan_usa19qw_product_id 0x0119 | |
145 | #define keyspan_usa19w_product_id 0x0108 | |
146 | #define keyspan_usa28_product_id 0x010f | |
147 | #define keyspan_usa28x_product_id 0x0110 | |
148 | #define keyspan_usa28xa_product_id 0x0115 | |
149 | #define keyspan_usa28xb_product_id 0x0110 | |
150 | #define keyspan_usa28xg_product_id 0x0135 | |
151 | #define keyspan_usa49w_product_id 0x010a | |
152 | #define keyspan_usa49wlc_product_id 0x012a | |
153 | #define keyspan_usa49wg_product_id 0x0131 | |
154 | ||
155 | struct keyspan_device_details { | |
156 | /* product ID value */ | |
157 | int product_id; | |
158 | ||
159 | enum {msg_usa26, msg_usa28, msg_usa49, msg_usa90, msg_usa67} msg_format; | |
160 | ||
161 | /* Number of physical ports */ | |
162 | int num_ports; | |
163 | ||
164 | /* 1 if endpoint flipping used on input, 0 if not */ | |
165 | int indat_endp_flip; | |
166 | ||
167 | /* 1 if endpoint flipping used on output, 0 if not */ | |
168 | int outdat_endp_flip; | |
169 | ||
170 | /* | |
171 | * Table mapping input data endpoint IDs to physical port | |
172 | * number and flip if used | |
173 | */ | |
174 | int indat_endpoints[KEYSPAN_MAX_NUM_PORTS]; | |
175 | ||
176 | /* Same for output endpoints */ | |
177 | int outdat_endpoints[KEYSPAN_MAX_NUM_PORTS]; | |
178 | ||
179 | /* Input acknowledge endpoints */ | |
180 | int inack_endpoints[KEYSPAN_MAX_NUM_PORTS]; | |
181 | ||
182 | /* Output control endpoints */ | |
183 | int outcont_endpoints[KEYSPAN_MAX_NUM_PORTS]; | |
184 | ||
185 | /* Endpoint used for input status */ | |
186 | int instat_endpoint; | |
187 | ||
188 | /* Endpoint used for input data 49WG only */ | |
189 | int indat_endpoint; | |
190 | ||
191 | /* Endpoint used for global control functions */ | |
192 | int glocont_endpoint; | |
193 | ||
194 | int (*calculate_baud_rate)(struct usb_serial_port *port, | |
195 | u32 baud_rate, u32 baudclk, | |
196 | u8 *rate_hi, u8 *rate_low, u8 *prescaler, | |
197 | int portnum); | |
198 | u32 baudclk; | |
199 | }; | |
200 | ||
201 | /* | |
202 | * Now for each device type we setup the device detail structure with the | |
203 | * appropriate information (provided in Keyspan's documentation) | |
204 | */ | |
205 | ||
206 | static const struct keyspan_device_details usa18x_device_details = { | |
207 | .product_id = keyspan_usa18x_product_id, | |
208 | .msg_format = msg_usa26, | |
209 | .num_ports = 1, | |
210 | .indat_endp_flip = 0, | |
211 | .outdat_endp_flip = 1, | |
212 | .indat_endpoints = {0x81}, | |
213 | .outdat_endpoints = {0x01}, | |
214 | .inack_endpoints = {0x85}, | |
215 | .outcont_endpoints = {0x05}, | |
216 | .instat_endpoint = 0x87, | |
217 | .indat_endpoint = -1, | |
218 | .glocont_endpoint = 0x07, | |
219 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
220 | .baudclk = KEYSPAN_USA18X_BAUDCLK, | |
221 | }; | |
222 | ||
223 | static const struct keyspan_device_details usa19_device_details = { | |
224 | .product_id = keyspan_usa19_product_id, | |
225 | .msg_format = msg_usa28, | |
226 | .num_ports = 1, | |
227 | .indat_endp_flip = 1, | |
228 | .outdat_endp_flip = 1, | |
229 | .indat_endpoints = {0x81}, | |
230 | .outdat_endpoints = {0x01}, | |
231 | .inack_endpoints = {0x83}, | |
232 | .outcont_endpoints = {0x03}, | |
233 | .instat_endpoint = 0x84, | |
234 | .indat_endpoint = -1, | |
235 | .glocont_endpoint = -1, | |
236 | .calculate_baud_rate = keyspan_usa19_calc_baud, | |
237 | .baudclk = KEYSPAN_USA19_BAUDCLK, | |
238 | }; | |
239 | ||
240 | static const struct keyspan_device_details usa19qi_device_details = { | |
241 | .product_id = keyspan_usa19qi_product_id, | |
242 | .msg_format = msg_usa28, | |
243 | .num_ports = 1, | |
244 | .indat_endp_flip = 1, | |
245 | .outdat_endp_flip = 1, | |
246 | .indat_endpoints = {0x81}, | |
247 | .outdat_endpoints = {0x01}, | |
248 | .inack_endpoints = {0x83}, | |
249 | .outcont_endpoints = {0x03}, | |
250 | .instat_endpoint = 0x84, | |
251 | .indat_endpoint = -1, | |
252 | .glocont_endpoint = -1, | |
253 | .calculate_baud_rate = keyspan_usa28_calc_baud, | |
254 | .baudclk = KEYSPAN_USA19_BAUDCLK, | |
255 | }; | |
256 | ||
257 | static const struct keyspan_device_details mpr_device_details = { | |
258 | .product_id = keyspan_mpr_product_id, | |
259 | .msg_format = msg_usa28, | |
260 | .num_ports = 1, | |
261 | .indat_endp_flip = 1, | |
262 | .outdat_endp_flip = 1, | |
263 | .indat_endpoints = {0x81}, | |
264 | .outdat_endpoints = {0x01}, | |
265 | .inack_endpoints = {0x83}, | |
266 | .outcont_endpoints = {0x03}, | |
267 | .instat_endpoint = 0x84, | |
268 | .indat_endpoint = -1, | |
269 | .glocont_endpoint = -1, | |
270 | .calculate_baud_rate = keyspan_usa28_calc_baud, | |
271 | .baudclk = KEYSPAN_USA19_BAUDCLK, | |
272 | }; | |
273 | ||
274 | static const struct keyspan_device_details usa19qw_device_details = { | |
275 | .product_id = keyspan_usa19qw_product_id, | |
276 | .msg_format = msg_usa26, | |
277 | .num_ports = 1, | |
278 | .indat_endp_flip = 0, | |
279 | .outdat_endp_flip = 1, | |
280 | .indat_endpoints = {0x81}, | |
281 | .outdat_endpoints = {0x01}, | |
282 | .inack_endpoints = {0x85}, | |
283 | .outcont_endpoints = {0x05}, | |
284 | .instat_endpoint = 0x87, | |
285 | .indat_endpoint = -1, | |
286 | .glocont_endpoint = 0x07, | |
287 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
288 | .baudclk = KEYSPAN_USA19W_BAUDCLK, | |
289 | }; | |
290 | ||
291 | static const struct keyspan_device_details usa19w_device_details = { | |
292 | .product_id = keyspan_usa19w_product_id, | |
293 | .msg_format = msg_usa26, | |
294 | .num_ports = 1, | |
295 | .indat_endp_flip = 0, | |
296 | .outdat_endp_flip = 1, | |
297 | .indat_endpoints = {0x81}, | |
298 | .outdat_endpoints = {0x01}, | |
299 | .inack_endpoints = {0x85}, | |
300 | .outcont_endpoints = {0x05}, | |
301 | .instat_endpoint = 0x87, | |
302 | .indat_endpoint = -1, | |
303 | .glocont_endpoint = 0x07, | |
304 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
305 | .baudclk = KEYSPAN_USA19W_BAUDCLK, | |
306 | }; | |
307 | ||
308 | static const struct keyspan_device_details usa19hs_device_details = { | |
309 | .product_id = keyspan_usa19hs_product_id, | |
310 | .msg_format = msg_usa90, | |
311 | .num_ports = 1, | |
312 | .indat_endp_flip = 0, | |
313 | .outdat_endp_flip = 0, | |
314 | .indat_endpoints = {0x81}, | |
315 | .outdat_endpoints = {0x01}, | |
316 | .inack_endpoints = {-1}, | |
317 | .outcont_endpoints = {0x02}, | |
318 | .instat_endpoint = 0x82, | |
319 | .indat_endpoint = -1, | |
320 | .glocont_endpoint = -1, | |
321 | .calculate_baud_rate = keyspan_usa19hs_calc_baud, | |
322 | .baudclk = KEYSPAN_USA19HS_BAUDCLK, | |
323 | }; | |
324 | ||
325 | static const struct keyspan_device_details usa28_device_details = { | |
326 | .product_id = keyspan_usa28_product_id, | |
327 | .msg_format = msg_usa28, | |
328 | .num_ports = 2, | |
329 | .indat_endp_flip = 1, | |
330 | .outdat_endp_flip = 1, | |
331 | .indat_endpoints = {0x81, 0x83}, | |
332 | .outdat_endpoints = {0x01, 0x03}, | |
333 | .inack_endpoints = {0x85, 0x86}, | |
334 | .outcont_endpoints = {0x05, 0x06}, | |
335 | .instat_endpoint = 0x87, | |
336 | .indat_endpoint = -1, | |
337 | .glocont_endpoint = 0x07, | |
338 | .calculate_baud_rate = keyspan_usa28_calc_baud, | |
339 | .baudclk = KEYSPAN_USA28_BAUDCLK, | |
340 | }; | |
341 | ||
342 | static const struct keyspan_device_details usa28x_device_details = { | |
343 | .product_id = keyspan_usa28x_product_id, | |
344 | .msg_format = msg_usa26, | |
345 | .num_ports = 2, | |
346 | .indat_endp_flip = 0, | |
347 | .outdat_endp_flip = 1, | |
348 | .indat_endpoints = {0x81, 0x83}, | |
349 | .outdat_endpoints = {0x01, 0x03}, | |
350 | .inack_endpoints = {0x85, 0x86}, | |
351 | .outcont_endpoints = {0x05, 0x06}, | |
352 | .instat_endpoint = 0x87, | |
353 | .indat_endpoint = -1, | |
354 | .glocont_endpoint = 0x07, | |
355 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
356 | .baudclk = KEYSPAN_USA28X_BAUDCLK, | |
357 | }; | |
358 | ||
359 | static const struct keyspan_device_details usa28xa_device_details = { | |
360 | .product_id = keyspan_usa28xa_product_id, | |
361 | .msg_format = msg_usa26, | |
362 | .num_ports = 2, | |
363 | .indat_endp_flip = 0, | |
364 | .outdat_endp_flip = 1, | |
365 | .indat_endpoints = {0x81, 0x83}, | |
366 | .outdat_endpoints = {0x01, 0x03}, | |
367 | .inack_endpoints = {0x85, 0x86}, | |
368 | .outcont_endpoints = {0x05, 0x06}, | |
369 | .instat_endpoint = 0x87, | |
370 | .indat_endpoint = -1, | |
371 | .glocont_endpoint = 0x07, | |
372 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
373 | .baudclk = KEYSPAN_USA28X_BAUDCLK, | |
374 | }; | |
375 | ||
376 | static const struct keyspan_device_details usa28xg_device_details = { | |
377 | .product_id = keyspan_usa28xg_product_id, | |
378 | .msg_format = msg_usa67, | |
379 | .num_ports = 2, | |
380 | .indat_endp_flip = 0, | |
381 | .outdat_endp_flip = 0, | |
382 | .indat_endpoints = {0x84, 0x88}, | |
383 | .outdat_endpoints = {0x02, 0x06}, | |
384 | .inack_endpoints = {-1, -1}, | |
385 | .outcont_endpoints = {-1, -1}, | |
386 | .instat_endpoint = 0x81, | |
387 | .indat_endpoint = -1, | |
388 | .glocont_endpoint = 0x01, | |
389 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
390 | .baudclk = KEYSPAN_USA28X_BAUDCLK, | |
391 | }; | |
392 | /* | |
393 | * We don't need a separate entry for the usa28xb as it appears as a 28x | |
394 | * anyway. | |
395 | */ | |
396 | ||
397 | static const struct keyspan_device_details usa49w_device_details = { | |
398 | .product_id = keyspan_usa49w_product_id, | |
399 | .msg_format = msg_usa49, | |
400 | .num_ports = 4, | |
401 | .indat_endp_flip = 0, | |
402 | .outdat_endp_flip = 0, | |
403 | .indat_endpoints = {0x81, 0x82, 0x83, 0x84}, | |
404 | .outdat_endpoints = {0x01, 0x02, 0x03, 0x04}, | |
405 | .inack_endpoints = {-1, -1, -1, -1}, | |
406 | .outcont_endpoints = {-1, -1, -1, -1}, | |
407 | .instat_endpoint = 0x87, | |
408 | .indat_endpoint = -1, | |
409 | .glocont_endpoint = 0x07, | |
410 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
411 | .baudclk = KEYSPAN_USA49W_BAUDCLK, | |
412 | }; | |
413 | ||
414 | static const struct keyspan_device_details usa49wlc_device_details = { | |
415 | .product_id = keyspan_usa49wlc_product_id, | |
416 | .msg_format = msg_usa49, | |
417 | .num_ports = 4, | |
418 | .indat_endp_flip = 0, | |
419 | .outdat_endp_flip = 0, | |
420 | .indat_endpoints = {0x81, 0x82, 0x83, 0x84}, | |
421 | .outdat_endpoints = {0x01, 0x02, 0x03, 0x04}, | |
422 | .inack_endpoints = {-1, -1, -1, -1}, | |
423 | .outcont_endpoints = {-1, -1, -1, -1}, | |
424 | .instat_endpoint = 0x87, | |
425 | .indat_endpoint = -1, | |
426 | .glocont_endpoint = 0x07, | |
427 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
428 | .baudclk = KEYSPAN_USA19W_BAUDCLK, | |
429 | }; | |
430 | ||
431 | static const struct keyspan_device_details usa49wg_device_details = { | |
432 | .product_id = keyspan_usa49wg_product_id, | |
433 | .msg_format = msg_usa49, | |
434 | .num_ports = 4, | |
435 | .indat_endp_flip = 0, | |
436 | .outdat_endp_flip = 0, | |
437 | .indat_endpoints = {-1, -1, -1, -1}, /* single 'global' data in EP */ | |
438 | .outdat_endpoints = {0x01, 0x02, 0x04, 0x06}, | |
439 | .inack_endpoints = {-1, -1, -1, -1}, | |
440 | .outcont_endpoints = {-1, -1, -1, -1}, | |
441 | .instat_endpoint = 0x81, | |
442 | .indat_endpoint = 0x88, | |
443 | .glocont_endpoint = 0x00, /* uses control EP */ | |
444 | .calculate_baud_rate = keyspan_usa19w_calc_baud, | |
445 | .baudclk = KEYSPAN_USA19W_BAUDCLK, | |
446 | }; | |
447 | ||
448 | static const struct keyspan_device_details *keyspan_devices[] = { | |
449 | &usa18x_device_details, | |
450 | &usa19_device_details, | |
451 | &usa19qi_device_details, | |
452 | &mpr_device_details, | |
453 | &usa19qw_device_details, | |
454 | &usa19w_device_details, | |
455 | &usa19hs_device_details, | |
456 | &usa28_device_details, | |
457 | &usa28x_device_details, | |
458 | &usa28xa_device_details, | |
459 | &usa28xg_device_details, | |
460 | /* 28xb not required as it renumerates as a 28x */ | |
461 | &usa49w_device_details, | |
462 | &usa49wlc_device_details, | |
463 | &usa49wg_device_details, | |
464 | NULL, | |
465 | }; | |
466 | ||
467 | static const struct usb_device_id keyspan_ids_combined[] = { | |
468 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) }, | |
469 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_pre_product_id) }, | |
470 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_pre_product_id) }, | |
471 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_pre_product_id) }, | |
472 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_pre_product_id) }, | |
473 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_pre_product_id) }, | |
474 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_pre_product_id) }, | |
475 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_pre_product_id) }, | |
476 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_pre_product_id) }, | |
477 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_pre_product_id) }, | |
478 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_pre_product_id) }, | |
479 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_pre_product_id) }, | |
480 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_product_id) }, | |
481 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_product_id) }, | |
482 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_product_id) }, | |
483 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_product_id) }, | |
484 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_product_id) }, | |
485 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19hs_product_id) }, | |
486 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_product_id) }, | |
487 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) }, | |
488 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) }, | |
489 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) }, | |
490 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) }, | |
491 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id)}, | |
492 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)}, | |
493 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wg_product_id)}, | |
494 | { } /* Terminating entry */ | |
495 | }; | |
496 | ||
497 | MODULE_DEVICE_TABLE(usb, keyspan_ids_combined); | |
498 | ||
499 | /* usb_device_id table for the pre-firmware download keyspan devices */ | |
500 | static const struct usb_device_id keyspan_pre_ids[] = { | |
501 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) }, | |
502 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_pre_product_id) }, | |
503 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_pre_product_id) }, | |
504 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_pre_product_id) }, | |
505 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_pre_product_id) }, | |
506 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_pre_product_id) }, | |
507 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_pre_product_id) }, | |
508 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_pre_product_id) }, | |
509 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_pre_product_id) }, | |
510 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_pre_product_id) }, | |
511 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_pre_product_id) }, | |
512 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_pre_product_id) }, | |
513 | { } /* Terminating entry */ | |
514 | }; | |
515 | ||
516 | static const struct usb_device_id keyspan_1port_ids[] = { | |
517 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_product_id) }, | |
518 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_product_id) }, | |
519 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_product_id) }, | |
520 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_product_id) }, | |
521 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_product_id) }, | |
522 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19hs_product_id) }, | |
523 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_product_id) }, | |
524 | { } /* Terminating entry */ | |
525 | }; | |
526 | ||
527 | static const struct usb_device_id keyspan_2port_ids[] = { | |
528 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) }, | |
529 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) }, | |
530 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) }, | |
531 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) }, | |
532 | { } /* Terminating entry */ | |
533 | }; | |
534 | ||
535 | static const struct usb_device_id keyspan_4port_ids[] = { | |
536 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id) }, | |
537 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)}, | |
538 | { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wg_product_id)}, | |
539 | { } /* Terminating entry */ | |
540 | }; | |
541 | ||
1da177e4 LT |
542 | #define INSTAT_BUFLEN 32 |
543 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 544 | #define INDAT49W_BUFLEN 512 |
bad41a5b JH |
545 | #define IN_BUFLEN 64 |
546 | #define OUT_BUFLEN 64 | |
547 | #define INACK_BUFLEN 1 | |
548 | #define OUTCONT_BUFLEN 64 | |
1da177e4 LT |
549 | |
550 | /* Per device and per port private data */ | |
551 | struct keyspan_serial_private { | |
552 | const struct keyspan_device_details *device_details; | |
553 | ||
554 | struct urb *instat_urb; | |
2fcd1c9b | 555 | char *instat_buf; |
1da177e4 | 556 | |
deb91685 AC |
557 | /* added to support 49wg, where data from all 4 ports comes in |
558 | on 1 EP and high-speed supported */ | |
0ca1268e | 559 | struct urb *indat_urb; |
2fcd1c9b | 560 | char *indat_buf; |
0ca1268e | 561 | |
1da177e4 LT |
562 | /* XXX this one probably will need a lock */ |
563 | struct urb *glocont_urb; | |
2fcd1c9b JH |
564 | char *glocont_buf; |
565 | char *ctrl_buf; /* for EP0 control message */ | |
1da177e4 LT |
566 | }; |
567 | ||
568 | struct keyspan_port_private { | |
569 | /* Keep track of which input & output endpoints to use */ | |
570 | int in_flip; | |
571 | int out_flip; | |
572 | ||
573 | /* Keep duplicate of device details in each port | |
574 | structure as well - simplifies some of the | |
575 | callback functions etc. */ | |
576 | const struct keyspan_device_details *device_details; | |
577 | ||
578 | /* Input endpoints and buffer for this port */ | |
579 | struct urb *in_urbs[2]; | |
bad41a5b | 580 | char *in_buffer[2]; |
1da177e4 LT |
581 | /* Output endpoints and buffer for this port */ |
582 | struct urb *out_urbs[2]; | |
bad41a5b | 583 | char *out_buffer[2]; |
1da177e4 LT |
584 | |
585 | /* Input ack endpoint */ | |
586 | struct urb *inack_urb; | |
bad41a5b | 587 | char *inack_buffer; |
1da177e4 LT |
588 | |
589 | /* Output control endpoint */ | |
590 | struct urb *outcont_urb; | |
bad41a5b | 591 | char *outcont_buffer; |
1da177e4 LT |
592 | |
593 | /* Settings for the port */ | |
594 | int baud; | |
595 | int old_baud; | |
596 | unsigned int cflag; | |
597 | unsigned int old_cflag; | |
598 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
599 | int rts_state; /* Handshaking pins (outputs) */ | |
600 | int dtr_state; | |
601 | int cts_state; /* Handshaking pins (inputs) */ | |
602 | int dsr_state; | |
603 | int dcd_state; | |
604 | int ri_state; | |
605 | int break_on; | |
606 | ||
607 | unsigned long tx_start_time[2]; | |
608 | int resend_cont; /* need to resend control packet */ | |
609 | }; | |
610 | ||
1da177e4 | 611 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 612 | make use of one of five message formats which are referred |
deb91685 AC |
613 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
614 | within this driver. */ | |
1da177e4 LT |
615 | #include "keyspan_usa26msg.h" |
616 | #include "keyspan_usa28msg.h" | |
617 | #include "keyspan_usa49msg.h" | |
618 | #include "keyspan_usa90msg.h" | |
0ca1268e | 619 | #include "keyspan_usa67msg.h" |
deb91685 | 620 | |
1da177e4 | 621 | |
95da310e | 622 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 623 | { |
95da310e | 624 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
625 | struct keyspan_port_private *p_priv; |
626 | ||
1da177e4 LT |
627 | p_priv = usb_get_serial_port_data(port); |
628 | ||
629 | if (break_state == -1) | |
630 | p_priv->break_on = 1; | |
631 | else | |
632 | p_priv->break_on = 0; | |
633 | ||
634 | keyspan_send_setup(port, 0); | |
635 | } | |
636 | ||
637 | ||
deb91685 | 638 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 639 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
640 | { |
641 | int baud_rate, device_port; | |
642 | struct keyspan_port_private *p_priv; | |
643 | const struct keyspan_device_details *d_details; | |
644 | unsigned int cflag; | |
645 | ||
1da177e4 LT |
646 | p_priv = usb_get_serial_port_data(port); |
647 | d_details = p_priv->device_details; | |
adc8d746 | 648 | cflag = tty->termios.c_cflag; |
1143832e | 649 | device_port = port->port_number; |
1da177e4 LT |
650 | |
651 | /* Baud rate calculation takes baud rate as an integer | |
652 | so other rates can be generated if desired. */ | |
74240b07 | 653 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 654 | /* If no match or invalid, don't change */ |
049c6b4e | 655 | if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
1da177e4 LT |
656 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
657 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
cd8c5053 | 658 | /* FIXME - calculate exact rate from divisor ? */ |
1da177e4 | 659 | p_priv->baud = baud_rate; |
74240b07 AC |
660 | } else |
661 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 662 | |
74240b07 | 663 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
664 | /* set CTS/RTS handshake etc. */ |
665 | p_priv->cflag = cflag; | |
2b982ab1 | 666 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
1da177e4 | 667 | |
74240b07 | 668 | /* Mark/Space not supported */ |
adc8d746 | 669 | tty->termios.c_cflag &= ~CMSPAR; |
74240b07 | 670 | |
1da177e4 LT |
671 | keyspan_send_setup(port, 0); |
672 | } | |
673 | ||
60b33c13 | 674 | static int keyspan_tiocmget(struct tty_struct *tty) |
1da177e4 | 675 | { |
95da310e AC |
676 | struct usb_serial_port *port = tty->driver_data; |
677 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 678 | unsigned int value; |
deb91685 | 679 | |
1da177e4 LT |
680 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
681 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
682 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
683 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
684 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 685 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
686 | |
687 | return value; | |
688 | } | |
689 | ||
20b9d177 | 690 | static int keyspan_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
691 | unsigned int set, unsigned int clear) |
692 | { | |
95da310e AC |
693 | struct usb_serial_port *port = tty->driver_data; |
694 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 695 | |
1da177e4 LT |
696 | if (set & TIOCM_RTS) |
697 | p_priv->rts_state = 1; | |
698 | if (set & TIOCM_DTR) | |
699 | p_priv->dtr_state = 1; | |
1da177e4 LT |
700 | if (clear & TIOCM_RTS) |
701 | p_priv->rts_state = 0; | |
702 | if (clear & TIOCM_DTR) | |
703 | p_priv->dtr_state = 0; | |
704 | keyspan_send_setup(port, 0); | |
705 | return 0; | |
706 | } | |
707 | ||
95da310e AC |
708 | /* Write function is similar for the four protocols used |
709 | with only a minor change for usa90 (usa19hs) required */ | |
710 | static int keyspan_write(struct tty_struct *tty, | |
711 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
712 | { |
713 | struct keyspan_port_private *p_priv; | |
714 | const struct keyspan_device_details *d_details; | |
715 | int flip; | |
716 | int left, todo; | |
717 | struct urb *this_urb; | |
deb91685 | 718 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
719 | |
720 | p_priv = usb_get_serial_port_data(port); | |
721 | d_details = p_priv->device_details; | |
722 | ||
723 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 724 | maxDataLen = 64; |
1da177e4 LT |
725 | dataOffset = 0; |
726 | } else { | |
727 | maxDataLen = 63; | |
728 | dataOffset = 1; | |
729 | } | |
deb91685 | 730 | |
1143832e GKH |
731 | dev_dbg(&port->dev, "%s - %d chars, flip=%d\n", __func__, count, |
732 | p_priv->out_flip); | |
1da177e4 LT |
733 | |
734 | for (left = count; left > 0; left -= todo) { | |
735 | todo = left; | |
736 | if (todo > maxDataLen) | |
737 | todo = maxDataLen; | |
738 | ||
739 | flip = p_priv->out_flip; | |
deb91685 | 740 | |
1da177e4 | 741 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
742 | this_urb = p_priv->out_urbs[flip]; |
743 | if (this_urb == NULL) { | |
1da177e4 | 744 | /* no bulk out, so return 0 bytes written */ |
049c6b4e | 745 | dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); |
1da177e4 LT |
746 | return count; |
747 | } | |
748 | ||
0cd782b0 | 749 | dev_dbg(&port->dev, "%s - endpoint %x flip %d\n", |
deb91685 | 750 | __func__, usb_pipeendpoint(this_urb->pipe), flip); |
1da177e4 LT |
751 | |
752 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
753 | if (time_before(jiffies, |
754 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 755 | break; |
1da177e4 LT |
756 | usb_unlink_urb(this_urb); |
757 | break; | |
758 | } | |
759 | ||
deb91685 AC |
760 | /* First byte in buffer is "last flag" (except for usa19hx) |
761 | - unused so for now so set to zero */ | |
1da177e4 LT |
762 | ((char *)this_urb->transfer_buffer)[0] = 0; |
763 | ||
deb91685 | 764 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
765 | buf += todo; |
766 | ||
767 | /* send the data out the bulk port */ | |
768 | this_urb->transfer_buffer_length = todo + dataOffset; | |
769 | ||
deb91685 AC |
770 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
771 | if (err != 0) | |
049c6b4e | 772 | dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); |
1da177e4 LT |
773 | p_priv->tx_start_time[flip] = jiffies; |
774 | ||
775 | /* Flip for next time if usa26 or usa28 interface | |
776 | (not used on usa49) */ | |
777 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
778 | } | |
779 | ||
780 | return count - left; | |
781 | } | |
782 | ||
7d12e780 | 783 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
784 | { |
785 | int i, err; | |
786 | int endpoint; | |
787 | struct usb_serial_port *port; | |
1da177e4 | 788 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 789 | int status = urb->status; |
1da177e4 | 790 | |
1da177e4 LT |
791 | endpoint = usb_pipeendpoint(urb->pipe); |
792 | ||
95b93454 | 793 | if (status) { |
0cd782b0 | 794 | dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", |
049c6b4e | 795 | __func__, status, endpoint); |
1da177e4 LT |
796 | return; |
797 | } | |
798 | ||
cdc97792 | 799 | port = urb->context; |
2e124b4a | 800 | if (urb->actual_length) { |
1da177e4 LT |
801 | /* 0x80 bit is error flag */ |
802 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
803 | /* no errors on individual bytes, only |
804 | possible overrun err */ | |
855515a6 JH |
805 | if (data[0] & RXERROR_OVERRUN) { |
806 | tty_insert_flip_char(&port->port, 0, | |
807 | TTY_OVERRUN); | |
808 | } | |
deb91685 | 809 | for (i = 1; i < urb->actual_length ; ++i) |
855515a6 JH |
810 | tty_insert_flip_char(&port->port, data[i], |
811 | TTY_NORMAL); | |
1da177e4 LT |
812 | } else { |
813 | /* some bytes had errors, every byte has status */ | |
049c6b4e | 814 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 | 815 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
5d1678a3 JH |
816 | int stat = data[i]; |
817 | int flag = TTY_NORMAL; | |
818 | ||
819 | if (stat & RXERROR_OVERRUN) { | |
820 | tty_insert_flip_char(&port->port, 0, | |
821 | TTY_OVERRUN); | |
822 | } | |
1da177e4 | 823 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
824 | if (stat & RXERROR_PARITY) |
825 | flag = TTY_PARITY; | |
826 | else if (stat & RXERROR_FRAMING) | |
827 | flag = TTY_FRAME; | |
828 | ||
92a19f9c JS |
829 | tty_insert_flip_char(&port->port, data[i+1], |
830 | flag); | |
1da177e4 LT |
831 | } |
832 | } | |
2e124b4a | 833 | tty_flip_buffer_push(&port->port); |
1da177e4 | 834 | } |
deb91685 AC |
835 | |
836 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
837 | err = usb_submit_urb(urb, GFP_ATOMIC); |
838 | if (err != 0) | |
049c6b4e | 839 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
840 | } |
841 | ||
deb91685 | 842 | /* Outdat handling is common for all devices */ |
7d12e780 | 843 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
844 | { |
845 | struct usb_serial_port *port; | |
846 | struct keyspan_port_private *p_priv; | |
847 | ||
cdc97792 | 848 | port = urb->context; |
1da177e4 | 849 | p_priv = usb_get_serial_port_data(port); |
049c6b4e | 850 | dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 851 | |
1f87158e | 852 | usb_serial_port_softint(port); |
1da177e4 LT |
853 | } |
854 | ||
7d12e780 | 855 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 856 | { |
1da177e4 LT |
857 | } |
858 | ||
7d12e780 | 859 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
860 | { |
861 | struct usb_serial_port *port; | |
862 | struct keyspan_port_private *p_priv; | |
863 | ||
cdc97792 | 864 | port = urb->context; |
1da177e4 LT |
865 | p_priv = usb_get_serial_port_data(port); |
866 | ||
867 | if (p_priv->resend_cont) { | |
049c6b4e | 868 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
869 | keyspan_usa26_send_setup(port->serial, port, |
870 | p_priv->resend_cont - 1); | |
1da177e4 LT |
871 | } |
872 | } | |
873 | ||
7d12e780 | 874 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
875 | { |
876 | unsigned char *data = urb->transfer_buffer; | |
877 | struct keyspan_usa26_portStatusMessage *msg; | |
878 | struct usb_serial *serial; | |
879 | struct usb_serial_port *port; | |
880 | struct keyspan_port_private *p_priv; | |
881 | int old_dcd_state, err; | |
95b93454 | 882 | int status = urb->status; |
1da177e4 | 883 | |
cdc97792 | 884 | serial = urb->context; |
1da177e4 | 885 | |
95b93454 | 886 | if (status) { |
0cd782b0 JH |
887 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", |
888 | __func__, status); | |
1da177e4 LT |
889 | return; |
890 | } | |
891 | if (urb->actual_length != 9) { | |
049c6b4e | 892 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
893 | goto exit; |
894 | } | |
895 | ||
896 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
897 | ||
deb91685 | 898 | /* Check port number from message and retrieve private data */ |
1da177e4 | 899 | if (msg->port >= serial->num_ports) { |
049c6b4e | 900 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
901 | goto exit; |
902 | } | |
903 | port = serial->port[msg->port]; | |
904 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
905 | if (!p_priv) |
906 | goto resubmit; | |
deb91685 | 907 | |
1da177e4 LT |
908 | /* Update handshaking pin state information */ |
909 | old_dcd_state = p_priv->dcd_state; | |
910 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
911 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
912 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
913 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
914 | ||
aa27a094 JS |
915 | if (old_dcd_state != p_priv->dcd_state) |
916 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 917 | resubmit: |
1da177e4 | 918 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
919 | err = usb_submit_urb(urb, GFP_ATOMIC); |
920 | if (err != 0) | |
049c6b4e | 921 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
922 | exit: ; |
923 | } | |
924 | ||
7d12e780 | 925 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 926 | { |
1da177e4 LT |
927 | } |
928 | ||
929 | ||
7d12e780 | 930 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 931 | { |
f035a8ad | 932 | int err; |
1da177e4 | 933 | struct usb_serial_port *port; |
1da177e4 LT |
934 | unsigned char *data; |
935 | struct keyspan_port_private *p_priv; | |
95b93454 | 936 | int status = urb->status; |
1da177e4 | 937 | |
cdc97792 | 938 | port = urb->context; |
1da177e4 LT |
939 | p_priv = usb_get_serial_port_data(port); |
940 | data = urb->transfer_buffer; | |
941 | ||
942 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
943 | return; | |
944 | ||
945 | do { | |
95b93454 | 946 | if (status) { |
0cd782b0 | 947 | dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", |
049c6b4e | 948 | __func__, status, usb_pipeendpoint(urb->pipe)); |
1da177e4 LT |
949 | return; |
950 | } | |
951 | ||
cdc97792 | 952 | port = urb->context; |
1da177e4 LT |
953 | p_priv = usb_get_serial_port_data(port); |
954 | data = urb->transfer_buffer; | |
955 | ||
2e124b4a | 956 | if (urb->actual_length) { |
05c7cd39 JS |
957 | tty_insert_flip_string(&port->port, data, |
958 | urb->actual_length); | |
2e124b4a | 959 | tty_flip_buffer_push(&port->port); |
1da177e4 LT |
960 | } |
961 | ||
962 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
963 | err = usb_submit_urb(urb, GFP_ATOMIC); |
964 | if (err != 0) | |
049c6b4e | 965 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", |
1f87158e | 966 | __func__, err); |
1da177e4 LT |
967 | p_priv->in_flip ^= 1; |
968 | ||
969 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
970 | } while (urb->status != -EINPROGRESS); | |
971 | } | |
972 | ||
7d12e780 | 973 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 974 | { |
1da177e4 LT |
975 | } |
976 | ||
7d12e780 | 977 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
978 | { |
979 | struct usb_serial_port *port; | |
980 | struct keyspan_port_private *p_priv; | |
981 | ||
cdc97792 | 982 | port = urb->context; |
1da177e4 LT |
983 | p_priv = usb_get_serial_port_data(port); |
984 | ||
985 | if (p_priv->resend_cont) { | |
049c6b4e | 986 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
987 | keyspan_usa28_send_setup(port->serial, port, |
988 | p_priv->resend_cont - 1); | |
1da177e4 LT |
989 | } |
990 | } | |
991 | ||
7d12e780 | 992 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
993 | { |
994 | int err; | |
995 | unsigned char *data = urb->transfer_buffer; | |
996 | struct keyspan_usa28_portStatusMessage *msg; | |
997 | struct usb_serial *serial; | |
998 | struct usb_serial_port *port; | |
999 | struct keyspan_port_private *p_priv; | |
1000 | int old_dcd_state; | |
95b93454 | 1001 | int status = urb->status; |
1da177e4 | 1002 | |
cdc97792 | 1003 | serial = urb->context; |
1da177e4 | 1004 | |
95b93454 | 1005 | if (status) { |
0cd782b0 JH |
1006 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", |
1007 | __func__, status); | |
1da177e4 LT |
1008 | return; |
1009 | } | |
1010 | ||
1011 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
049c6b4e | 1012 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
1013 | goto exit; |
1014 | } | |
1015 | ||
deb91685 | 1016 | msg = (struct keyspan_usa28_portStatusMessage *)data; |
1da177e4 | 1017 | |
deb91685 | 1018 | /* Check port number from message and retrieve private data */ |
1da177e4 | 1019 | if (msg->port >= serial->num_ports) { |
049c6b4e | 1020 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
1021 | goto exit; |
1022 | } | |
1023 | port = serial->port[msg->port]; | |
1024 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
1025 | if (!p_priv) |
1026 | goto resubmit; | |
deb91685 | 1027 | |
1da177e4 LT |
1028 | /* Update handshaking pin state information */ |
1029 | old_dcd_state = p_priv->dcd_state; | |
1030 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
1031 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
1032 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
1033 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
1034 | ||
aa27a094 JS |
1035 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
1036 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 1037 | resubmit: |
1da177e4 | 1038 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
1039 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1040 | if (err != 0) | |
049c6b4e | 1041 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
1042 | exit: ; |
1043 | } | |
1044 | ||
7d12e780 | 1045 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 1046 | { |
1da177e4 LT |
1047 | } |
1048 | ||
1049 | ||
7d12e780 | 1050 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
1051 | { |
1052 | struct usb_serial *serial; | |
1053 | struct usb_serial_port *port; | |
1054 | struct keyspan_port_private *p_priv; | |
1055 | int i; | |
1056 | ||
cdc97792 | 1057 | serial = urb->context; |
1da177e4 LT |
1058 | for (i = 0; i < serial->num_ports; ++i) { |
1059 | port = serial->port[i]; | |
1060 | p_priv = usb_get_serial_port_data(port); | |
1061 | ||
1062 | if (p_priv->resend_cont) { | |
049c6b4e | 1063 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
1064 | keyspan_usa49_send_setup(serial, port, |
1065 | p_priv->resend_cont - 1); | |
1da177e4 LT |
1066 | break; |
1067 | } | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | /* This is actually called glostat in the Keyspan | |
1072 | doco */ | |
7d12e780 | 1073 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
1074 | { |
1075 | int err; | |
1076 | unsigned char *data = urb->transfer_buffer; | |
1077 | struct keyspan_usa49_portStatusMessage *msg; | |
1078 | struct usb_serial *serial; | |
1079 | struct usb_serial_port *port; | |
1080 | struct keyspan_port_private *p_priv; | |
1081 | int old_dcd_state; | |
95b93454 | 1082 | int status = urb->status; |
1da177e4 | 1083 | |
cdc97792 | 1084 | serial = urb->context; |
1da177e4 | 1085 | |
95b93454 | 1086 | if (status) { |
0cd782b0 JH |
1087 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", |
1088 | __func__, status); | |
1da177e4 LT |
1089 | return; |
1090 | } | |
1091 | ||
deb91685 AC |
1092 | if (urb->actual_length != |
1093 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
049c6b4e | 1094 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
1095 | goto exit; |
1096 | } | |
1097 | ||
1da177e4 LT |
1098 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
1099 | ||
deb91685 | 1100 | /* Check port number from message and retrieve private data */ |
1da177e4 | 1101 | if (msg->portNumber >= serial->num_ports) { |
049c6b4e GKH |
1102 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
1103 | __func__, msg->portNumber); | |
1da177e4 LT |
1104 | goto exit; |
1105 | } | |
1106 | port = serial->port[msg->portNumber]; | |
1107 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
1108 | if (!p_priv) |
1109 | goto resubmit; | |
deb91685 | 1110 | |
1da177e4 LT |
1111 | /* Update handshaking pin state information */ |
1112 | old_dcd_state = p_priv->dcd_state; | |
1113 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
1114 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
1115 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
1116 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
1117 | ||
aa27a094 JS |
1118 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
1119 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 1120 | resubmit: |
deb91685 | 1121 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
1122 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1123 | if (err != 0) | |
049c6b4e | 1124 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
1125 | exit: ; |
1126 | } | |
1127 | ||
7d12e780 | 1128 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 1129 | { |
1da177e4 LT |
1130 | } |
1131 | ||
7d12e780 | 1132 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
1133 | { |
1134 | int i, err; | |
1135 | int endpoint; | |
1136 | struct usb_serial_port *port; | |
1da177e4 | 1137 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 1138 | int status = urb->status; |
1da177e4 | 1139 | |
1da177e4 LT |
1140 | endpoint = usb_pipeendpoint(urb->pipe); |
1141 | ||
95b93454 | 1142 | if (status) { |
0cd782b0 | 1143 | dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", |
049c6b4e | 1144 | __func__, status, endpoint); |
1da177e4 LT |
1145 | return; |
1146 | } | |
1147 | ||
cdc97792 | 1148 | port = urb->context; |
2e124b4a | 1149 | if (urb->actual_length) { |
1da177e4 LT |
1150 | /* 0x80 bit is error flag */ |
1151 | if ((data[0] & 0x80) == 0) { | |
1152 | /* no error on any byte */ | |
05c7cd39 | 1153 | tty_insert_flip_string(&port->port, data + 1, |
f035a8ad | 1154 | urb->actual_length - 1); |
1da177e4 LT |
1155 | } else { |
1156 | /* some bytes had errors, every byte has status */ | |
1157 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
5d1678a3 JH |
1158 | int stat = data[i]; |
1159 | int flag = TTY_NORMAL; | |
1160 | ||
1161 | if (stat & RXERROR_OVERRUN) { | |
1162 | tty_insert_flip_char(&port->port, 0, | |
1163 | TTY_OVERRUN); | |
1164 | } | |
1da177e4 | 1165 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
1166 | if (stat & RXERROR_PARITY) |
1167 | flag = TTY_PARITY; | |
1168 | else if (stat & RXERROR_FRAMING) | |
1169 | flag = TTY_FRAME; | |
1170 | ||
92a19f9c JS |
1171 | tty_insert_flip_char(&port->port, data[i+1], |
1172 | flag); | |
1da177e4 LT |
1173 | } |
1174 | } | |
2e124b4a | 1175 | tty_flip_buffer_push(&port->port); |
1da177e4 | 1176 | } |
deb91685 AC |
1177 | |
1178 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
1179 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1180 | if (err != 0) | |
049c6b4e | 1181 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
1182 | } |
1183 | ||
0ca1268e LM |
1184 | static void usa49wg_indat_callback(struct urb *urb) |
1185 | { | |
1186 | int i, len, x, err; | |
1187 | struct usb_serial *serial; | |
1188 | struct usb_serial_port *port; | |
0ca1268e | 1189 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 1190 | int status = urb->status; |
0ca1268e | 1191 | |
0ca1268e LM |
1192 | serial = urb->context; |
1193 | ||
95b93454 | 1194 | if (status) { |
0cd782b0 JH |
1195 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", |
1196 | __func__, status); | |
0ca1268e LM |
1197 | return; |
1198 | } | |
1199 | ||
1200 | /* inbound data is in the form P#, len, status, data */ | |
1201 | i = 0; | |
1202 | len = 0; | |
1203 | ||
6a3ae841 | 1204 | while (i < urb->actual_length) { |
0ca1268e | 1205 | |
6a3ae841 DC |
1206 | /* Check port number from message */ |
1207 | if (data[i] >= serial->num_ports) { | |
1208 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", | |
1209 | __func__, data[i]); | |
1210 | return; | |
1211 | } | |
1212 | port = serial->port[data[i++]]; | |
1213 | len = data[i++]; | |
0ca1268e | 1214 | |
6a3ae841 DC |
1215 | /* 0x80 bit is error flag */ |
1216 | if ((data[i] & 0x80) == 0) { | |
1217 | /* no error on any byte */ | |
1218 | i++; | |
01a60e76 | 1219 | for (x = 1; x < len && i < urb->actual_length; ++x) |
6a3ae841 DC |
1220 | tty_insert_flip_char(&port->port, |
1221 | data[i++], 0); | |
1222 | } else { | |
1223 | /* | |
1224 | * some bytes had errors, every byte has status | |
1225 | */ | |
01a60e76 DC |
1226 | for (x = 0; x + 1 < len && |
1227 | i + 1 < urb->actual_length; x += 2) { | |
5d1678a3 JH |
1228 | int stat = data[i]; |
1229 | int flag = TTY_NORMAL; | |
6a3ae841 | 1230 | |
5d1678a3 JH |
1231 | if (stat & RXERROR_OVERRUN) { |
1232 | tty_insert_flip_char(&port->port, 0, | |
1233 | TTY_OVERRUN); | |
1234 | } | |
6a3ae841 | 1235 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
1236 | if (stat & RXERROR_PARITY) |
1237 | flag = TTY_PARITY; | |
1238 | else if (stat & RXERROR_FRAMING) | |
1239 | flag = TTY_FRAME; | |
1240 | ||
6a3ae841 DC |
1241 | tty_insert_flip_char(&port->port, data[i+1], |
1242 | flag); | |
1243 | i += 2; | |
0ca1268e | 1244 | } |
0ca1268e | 1245 | } |
6a3ae841 | 1246 | tty_flip_buffer_push(&port->port); |
0ca1268e LM |
1247 | } |
1248 | ||
1249 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
1250 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1251 | if (err != 0) | |
049c6b4e | 1252 | dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
1253 | } |
1254 | ||
1da177e4 | 1255 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 1256 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 1257 | { |
1da177e4 LT |
1258 | } |
1259 | ||
0ca1268e | 1260 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
1261 | { |
1262 | int i, err; | |
1263 | int endpoint; | |
1264 | struct usb_serial_port *port; | |
1265 | struct keyspan_port_private *p_priv; | |
1da177e4 | 1266 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 1267 | int status = urb->status; |
1da177e4 | 1268 | |
1da177e4 LT |
1269 | endpoint = usb_pipeendpoint(urb->pipe); |
1270 | ||
95b93454 | 1271 | if (status) { |
0cd782b0 JH |
1272 | dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", |
1273 | __func__, status, endpoint); | |
1da177e4 LT |
1274 | return; |
1275 | } | |
1276 | ||
cdc97792 | 1277 | port = urb->context; |
1da177e4 LT |
1278 | p_priv = usb_get_serial_port_data(port); |
1279 | ||
1da177e4 | 1280 | if (urb->actual_length) { |
1da177e4 | 1281 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 1282 | otherwise looks like usa26 data format */ |
1da177e4 | 1283 | |
f035a8ad | 1284 | if (p_priv->baud > 57600) |
05c7cd39 JS |
1285 | tty_insert_flip_string(&port->port, data, |
1286 | urb->actual_length); | |
f035a8ad | 1287 | else { |
1da177e4 LT |
1288 | /* 0x80 bit is error flag */ |
1289 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
1290 | /* no errors on individual bytes, only |
1291 | possible overrun err*/ | |
855515a6 JH |
1292 | if (data[0] & RXERROR_OVERRUN) { |
1293 | tty_insert_flip_char(&port->port, 0, | |
1294 | TTY_OVERRUN); | |
1295 | } | |
deb91685 | 1296 | for (i = 1; i < urb->actual_length ; ++i) |
92a19f9c | 1297 | tty_insert_flip_char(&port->port, |
855515a6 | 1298 | data[i], TTY_NORMAL); |
deb91685 | 1299 | } else { |
1da177e4 | 1300 | /* some bytes had errors, every byte has status */ |
049c6b4e | 1301 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 | 1302 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
5d1678a3 JH |
1303 | int stat = data[i]; |
1304 | int flag = TTY_NORMAL; | |
1305 | ||
1306 | if (stat & RXERROR_OVERRUN) { | |
1307 | tty_insert_flip_char( | |
1308 | &port->port, 0, | |
1309 | TTY_OVERRUN); | |
1310 | } | |
1da177e4 | 1311 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
1312 | if (stat & RXERROR_PARITY) |
1313 | flag = TTY_PARITY; | |
1314 | else if (stat & RXERROR_FRAMING) | |
1315 | flag = TTY_FRAME; | |
1316 | ||
92a19f9c JS |
1317 | tty_insert_flip_char(&port->port, |
1318 | data[i+1], flag); | |
1da177e4 LT |
1319 | } |
1320 | } | |
1321 | } | |
2e124b4a | 1322 | tty_flip_buffer_push(&port->port); |
1da177e4 | 1323 | } |
deb91685 | 1324 | |
1da177e4 | 1325 | /* Resubmit urb so we continue receiving */ |
1f87158e AS |
1326 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1327 | if (err != 0) | |
049c6b4e | 1328 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
1329 | } |
1330 | ||
1331 | ||
7d12e780 | 1332 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
1333 | { |
1334 | unsigned char *data = urb->transfer_buffer; | |
1335 | struct keyspan_usa90_portStatusMessage *msg; | |
1336 | struct usb_serial *serial; | |
1337 | struct usb_serial_port *port; | |
1338 | struct keyspan_port_private *p_priv; | |
1339 | int old_dcd_state, err; | |
95b93454 | 1340 | int status = urb->status; |
1da177e4 | 1341 | |
cdc97792 | 1342 | serial = urb->context; |
1da177e4 | 1343 | |
95b93454 | 1344 | if (status) { |
0cd782b0 JH |
1345 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", |
1346 | __func__, status); | |
1da177e4 LT |
1347 | return; |
1348 | } | |
1349 | if (urb->actual_length < 14) { | |
049c6b4e | 1350 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
1351 | goto exit; |
1352 | } | |
1353 | ||
1354 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
1355 | ||
1356 | /* Now do something useful with the data */ | |
1357 | ||
1358 | port = serial->port[0]; | |
1359 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
1360 | if (!p_priv) |
1361 | goto resubmit; | |
deb91685 | 1362 | |
1da177e4 LT |
1363 | /* Update handshaking pin state information */ |
1364 | old_dcd_state = p_priv->dcd_state; | |
1365 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
1366 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
1367 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
1368 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
1369 | ||
aa27a094 JS |
1370 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
1371 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 1372 | resubmit: |
1da177e4 | 1373 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
1374 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1375 | if (err != 0) | |
049c6b4e | 1376 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
1377 | exit: |
1378 | ; | |
1379 | } | |
1380 | ||
7d12e780 | 1381 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
1382 | { |
1383 | struct usb_serial_port *port; | |
1384 | struct keyspan_port_private *p_priv; | |
1385 | ||
cdc97792 | 1386 | port = urb->context; |
1da177e4 LT |
1387 | p_priv = usb_get_serial_port_data(port); |
1388 | ||
1389 | if (p_priv->resend_cont) { | |
049c6b4e | 1390 | dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
1391 | keyspan_usa90_send_setup(port->serial, port, |
1392 | p_priv->resend_cont - 1); | |
1da177e4 LT |
1393 | } |
1394 | } | |
1395 | ||
0ca1268e LM |
1396 | /* Status messages from the 28xg */ |
1397 | static void usa67_instat_callback(struct urb *urb) | |
1398 | { | |
1399 | int err; | |
1400 | unsigned char *data = urb->transfer_buffer; | |
1401 | struct keyspan_usa67_portStatusMessage *msg; | |
1402 | struct usb_serial *serial; | |
1403 | struct usb_serial_port *port; | |
1404 | struct keyspan_port_private *p_priv; | |
1405 | int old_dcd_state; | |
95b93454 | 1406 | int status = urb->status; |
0ca1268e | 1407 | |
0ca1268e LM |
1408 | serial = urb->context; |
1409 | ||
95b93454 | 1410 | if (status) { |
0cd782b0 JH |
1411 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", |
1412 | __func__, status); | |
0ca1268e LM |
1413 | return; |
1414 | } | |
1415 | ||
deb91685 AC |
1416 | if (urb->actual_length != |
1417 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
049c6b4e | 1418 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
0ca1268e LM |
1419 | return; |
1420 | } | |
1421 | ||
1422 | ||
1423 | /* Now do something useful with the data */ | |
1424 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
1425 | ||
1426 | /* Check port number from message and retrieve private data */ | |
1427 | if (msg->port >= serial->num_ports) { | |
049c6b4e | 1428 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
0ca1268e LM |
1429 | return; |
1430 | } | |
1431 | ||
1432 | port = serial->port[msg->port]; | |
1433 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
1434 | if (!p_priv) |
1435 | goto resubmit; | |
0ca1268e LM |
1436 | |
1437 | /* Update handshaking pin state information */ | |
1438 | old_dcd_state = p_priv->dcd_state; | |
1439 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
1440 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
1441 | ||
aa27a094 JS |
1442 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
1443 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 1444 | resubmit: |
0ca1268e | 1445 | /* Resubmit urb so we continue receiving */ |
0ca1268e LM |
1446 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1447 | if (err != 0) | |
049c6b4e | 1448 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
1449 | } |
1450 | ||
1451 | static void usa67_glocont_callback(struct urb *urb) | |
1452 | { | |
1453 | struct usb_serial *serial; | |
1454 | struct usb_serial_port *port; | |
1455 | struct keyspan_port_private *p_priv; | |
1456 | int i; | |
1457 | ||
0ca1268e LM |
1458 | serial = urb->context; |
1459 | for (i = 0; i < serial->num_ports; ++i) { | |
1460 | port = serial->port[i]; | |
1461 | p_priv = usb_get_serial_port_data(port); | |
1462 | ||
1463 | if (p_priv->resend_cont) { | |
049c6b4e | 1464 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
0ca1268e LM |
1465 | keyspan_usa67_send_setup(serial, port, |
1466 | p_priv->resend_cont - 1); | |
1467 | break; | |
1468 | } | |
1469 | } | |
1470 | } | |
1471 | ||
95da310e | 1472 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 1473 | { |
95da310e | 1474 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1475 | struct keyspan_port_private *p_priv; |
1476 | const struct keyspan_device_details *d_details; | |
1477 | int flip; | |
1478 | int data_len; | |
1479 | struct urb *this_urb; | |
1480 | ||
1da177e4 LT |
1481 | p_priv = usb_get_serial_port_data(port); |
1482 | d_details = p_priv->device_details; | |
1483 | ||
a5b6f60c | 1484 | /* FIXME: locking */ |
1da177e4 | 1485 | if (d_details->msg_format == msg_usa90) |
deb91685 | 1486 | data_len = 64; |
1da177e4 LT |
1487 | else |
1488 | data_len = 63; | |
1489 | ||
1490 | flip = p_priv->out_flip; | |
1491 | ||
1492 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
1493 | this_urb = p_priv->out_urbs[flip]; |
1494 | if (this_urb != NULL) { | |
1da177e4 | 1495 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1496 | return data_len; |
1497 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1498 | this_urb = p_priv->out_urbs[flip]; | |
1499 | if (this_urb != NULL) { | |
1da177e4 | 1500 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1501 | return data_len; |
1502 | } | |
1da177e4 | 1503 | } |
a5b6f60c | 1504 | return 0; |
1da177e4 LT |
1505 | } |
1506 | ||
1507 | ||
a509a7e4 | 1508 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 1509 | { |
f78ba157 | 1510 | struct keyspan_port_private *p_priv; |
1da177e4 LT |
1511 | const struct keyspan_device_details *d_details; |
1512 | int i, err; | |
f78ba157 | 1513 | int baud_rate, device_port; |
1da177e4 | 1514 | struct urb *urb; |
95da310e | 1515 | unsigned int cflag = 0; |
1da177e4 | 1516 | |
1da177e4 LT |
1517 | p_priv = usb_get_serial_port_data(port); |
1518 | d_details = p_priv->device_details; | |
7eea4364 | 1519 | |
1da177e4 LT |
1520 | /* Set some sane defaults */ |
1521 | p_priv->rts_state = 1; | |
1522 | p_priv->dtr_state = 1; | |
1523 | p_priv->baud = 9600; | |
1524 | ||
1525 | /* force baud and lcr to be set on open */ | |
1526 | p_priv->old_baud = 0; | |
1527 | p_priv->old_cflag = 0; | |
1528 | ||
1529 | p_priv->out_flip = 0; | |
1530 | p_priv->in_flip = 0; | |
1531 | ||
1532 | /* Reset low level data toggle and start reading from endpoints */ | |
1533 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1534 | urb = p_priv->in_urbs[i]; |
1535 | if (urb == NULL) | |
1da177e4 | 1536 | continue; |
1da177e4 | 1537 | |
deb91685 AC |
1538 | /* make sure endpoint data toggle is synchronized |
1539 | with the device */ | |
1da177e4 | 1540 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1541 | err = usb_submit_urb(urb, GFP_KERNEL); |
1542 | if (err != 0) | |
049c6b4e | 1543 | dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); |
1da177e4 LT |
1544 | } |
1545 | ||
1546 | /* Reset low level data toggle on out endpoints */ | |
1547 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1548 | urb = p_priv->out_urbs[i]; |
1549 | if (urb == NULL) | |
1da177e4 | 1550 | continue; |
deb91685 AC |
1551 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1552 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1553 | } |
1554 | ||
f78ba157 AM |
1555 | /* get the terminal config for the setup message now so we don't |
1556 | * need to send 2 of them */ | |
1557 | ||
1143832e | 1558 | device_port = port->port_number; |
95da310e | 1559 | if (tty) { |
adc8d746 | 1560 | cflag = tty->termios.c_cflag; |
95da310e AC |
1561 | /* Baud rate calculation takes baud rate as an integer |
1562 | so other rates can be generated if desired. */ | |
1563 | baud_rate = tty_get_baud_rate(tty); | |
1564 | /* If no match or invalid, leave as default */ | |
1565 | if (baud_rate >= 0 | |
049c6b4e | 1566 | && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
95da310e AC |
1567 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
1568 | p_priv->baud = baud_rate; | |
1569 | } | |
f78ba157 | 1570 | } |
f78ba157 AM |
1571 | /* set CTS/RTS handshake etc. */ |
1572 | p_priv->cflag = cflag; | |
2b982ab1 | 1573 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
f78ba157 AM |
1574 | |
1575 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1576 | /* mdelay(100); */ |
1577 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1578 | |
a5b6f60c | 1579 | return 0; |
1da177e4 LT |
1580 | } |
1581 | ||
335f8514 AC |
1582 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1583 | { | |
1584 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1585 | ||
1586 | p_priv->rts_state = on; | |
1587 | p_priv->dtr_state = on; | |
1588 | keyspan_send_setup(port, 0); | |
1589 | } | |
1590 | ||
1591 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1592 | { |
1593 | int i; | |
1da177e4 LT |
1594 | struct keyspan_port_private *p_priv; |
1595 | ||
1da177e4 | 1596 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 1597 | |
1da177e4 LT |
1598 | p_priv->rts_state = 0; |
1599 | p_priv->dtr_state = 0; | |
deb91685 | 1600 | |
80dfe0ce JH |
1601 | keyspan_send_setup(port, 2); |
1602 | /* pilot-xfer seems to work best with this delay */ | |
1603 | mdelay(100); | |
1da177e4 LT |
1604 | |
1605 | p_priv->out_flip = 0; | |
1606 | p_priv->in_flip = 0; | |
1607 | ||
61924505 | 1608 | usb_kill_urb(p_priv->inack_urb); |
80dfe0ce | 1609 | for (i = 0; i < 2; i++) { |
61924505 JH |
1610 | usb_kill_urb(p_priv->in_urbs[i]); |
1611 | usb_kill_urb(p_priv->out_urbs[i]); | |
1da177e4 | 1612 | } |
1da177e4 LT |
1613 | } |
1614 | ||
deb91685 AC |
1615 | /* download the firmware to a pre-renumeration device */ |
1616 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 | 1617 | { |
8d733e26 | 1618 | char *fw_name; |
1da177e4 | 1619 | |
049c6b4e GKH |
1620 | dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", |
1621 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1622 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
deb91685 AC |
1623 | |
1624 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) | |
1625 | != 0x8000) { | |
049c6b4e | 1626 | dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); |
deb91685 | 1627 | return 1; |
1da177e4 LT |
1628 | } |
1629 | ||
1630 | /* Select firmware image on the basis of idProduct */ | |
1631 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1632 | case keyspan_usa28_pre_product_id: | |
2971c579 | 1633 | fw_name = "keyspan/usa28.fw"; |
1da177e4 LT |
1634 | break; |
1635 | ||
1636 | case keyspan_usa28x_pre_product_id: | |
2971c579 | 1637 | fw_name = "keyspan/usa28x.fw"; |
1da177e4 LT |
1638 | break; |
1639 | ||
1640 | case keyspan_usa28xa_pre_product_id: | |
2971c579 | 1641 | fw_name = "keyspan/usa28xa.fw"; |
1da177e4 LT |
1642 | break; |
1643 | ||
1644 | case keyspan_usa28xb_pre_product_id: | |
2971c579 | 1645 | fw_name = "keyspan/usa28xb.fw"; |
1da177e4 LT |
1646 | break; |
1647 | ||
1648 | case keyspan_usa19_pre_product_id: | |
2971c579 | 1649 | fw_name = "keyspan/usa19.fw"; |
1da177e4 | 1650 | break; |
deb91685 | 1651 | |
1da177e4 | 1652 | case keyspan_usa19qi_pre_product_id: |
2971c579 | 1653 | fw_name = "keyspan/usa19qi.fw"; |
1da177e4 | 1654 | break; |
deb91685 | 1655 | |
1da177e4 | 1656 | case keyspan_mpr_pre_product_id: |
2971c579 | 1657 | fw_name = "keyspan/mpr.fw"; |
1da177e4 LT |
1658 | break; |
1659 | ||
1660 | case keyspan_usa19qw_pre_product_id: | |
2971c579 | 1661 | fw_name = "keyspan/usa19qw.fw"; |
1da177e4 | 1662 | break; |
deb91685 | 1663 | |
1da177e4 | 1664 | case keyspan_usa18x_pre_product_id: |
2971c579 | 1665 | fw_name = "keyspan/usa18x.fw"; |
1da177e4 | 1666 | break; |
deb91685 | 1667 | |
1da177e4 | 1668 | case keyspan_usa19w_pre_product_id: |
2971c579 | 1669 | fw_name = "keyspan/usa19w.fw"; |
1da177e4 | 1670 | break; |
deb91685 | 1671 | |
1da177e4 | 1672 | case keyspan_usa49w_pre_product_id: |
2971c579 | 1673 | fw_name = "keyspan/usa49w.fw"; |
1da177e4 LT |
1674 | break; |
1675 | ||
1676 | case keyspan_usa49wlc_pre_product_id: | |
2971c579 | 1677 | fw_name = "keyspan/usa49wlc.fw"; |
1da177e4 LT |
1678 | break; |
1679 | ||
1680 | default: | |
2971c579 DW |
1681 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
1682 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1683 | return 1; | |
1da177e4 LT |
1684 | } |
1685 | ||
049c6b4e | 1686 | dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); |
1da177e4 | 1687 | |
8d733e26 RB |
1688 | if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { |
1689 | dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", | |
1690 | fw_name); | |
1691 | return -ENOENT; | |
1da177e4 | 1692 | } |
8d733e26 RB |
1693 | |
1694 | /* after downloading firmware Renumeration will occur in a | |
1695 | moment and the new device will bind to the real driver */ | |
1da177e4 LT |
1696 | |
1697 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1698 | return 1; |
1da177e4 LT |
1699 | } |
1700 | ||
1701 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1702 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1703 | int endpoint) | |
1704 | { | |
1705 | struct usb_host_interface *iface_desc; | |
1706 | struct usb_endpoint_descriptor *ep; | |
1707 | int i; | |
1708 | ||
1709 | iface_desc = serial->interface->cur_altsetting; | |
1710 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1711 | ep = &iface_desc->endpoint[i].desc; | |
1712 | if (ep->bEndpointAddress == endpoint) | |
1713 | return ep; | |
1714 | } | |
0cd782b0 JH |
1715 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for endpoint %x\n", |
1716 | endpoint); | |
fdcba53e RW |
1717 | return NULL; |
1718 | } | |
1719 | ||
deb91685 | 1720 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1721 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1722 | void (*callback)(struct urb *)) |
1da177e4 LT |
1723 | { |
1724 | struct urb *urb; | |
fdcba53e RW |
1725 | struct usb_endpoint_descriptor const *ep_desc; |
1726 | char const *ep_type_name; | |
1da177e4 LT |
1727 | |
1728 | if (endpoint == -1) | |
1729 | return NULL; /* endpoint not needed */ | |
1730 | ||
0cd782b0 JH |
1731 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %x\n", |
1732 | __func__, endpoint); | |
1da177e4 | 1733 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
10c642d0 | 1734 | if (!urb) |
1da177e4 | 1735 | return NULL; |
1da177e4 | 1736 | |
0ca1268e LM |
1737 | if (endpoint == 0) { |
1738 | /* control EP filled in when used */ | |
1739 | return urb; | |
1740 | } | |
1741 | ||
fdcba53e RW |
1742 | ep_desc = find_ep(serial, endpoint); |
1743 | if (!ep_desc) { | |
1744 | /* leak the urb, something's wrong and the callers don't care */ | |
1745 | return urb; | |
1746 | } | |
1747 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1748 | ep_type_name = "INT"; | |
1749 | usb_fill_int_urb(urb, serial->dev, | |
1750 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1751 | buf, len, callback, ctx, | |
1752 | ep_desc->bInterval); | |
1753 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1754 | ep_type_name = "BULK"; | |
1755 | usb_fill_bulk_urb(urb, serial->dev, | |
1756 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1757 | buf, len, callback, ctx); | |
1758 | } else { | |
1759 | dev_warn(&serial->interface->dev, | |
1760 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1761 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1762 | usb_free_urb(urb); |
1763 | return NULL; | |
1764 | } | |
1da177e4 | 1765 | |
049c6b4e | 1766 | dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", |
fdcba53e | 1767 | __func__, urb, ep_type_name, endpoint); |
1da177e4 LT |
1768 | return urb; |
1769 | } | |
1770 | ||
1771 | static struct callbacks { | |
7d12e780 DH |
1772 | void (*instat_callback)(struct urb *); |
1773 | void (*glocont_callback)(struct urb *); | |
1774 | void (*indat_callback)(struct urb *); | |
1775 | void (*outdat_callback)(struct urb *); | |
1776 | void (*inack_callback)(struct urb *); | |
1777 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1778 | } keyspan_callbacks[] = { |
1779 | { | |
1780 | /* msg_usa26 callbacks */ | |
1781 | .instat_callback = usa26_instat_callback, | |
1782 | .glocont_callback = usa26_glocont_callback, | |
1783 | .indat_callback = usa26_indat_callback, | |
1784 | .outdat_callback = usa2x_outdat_callback, | |
1785 | .inack_callback = usa26_inack_callback, | |
1786 | .outcont_callback = usa26_outcont_callback, | |
1787 | }, { | |
1788 | /* msg_usa28 callbacks */ | |
1789 | .instat_callback = usa28_instat_callback, | |
1790 | .glocont_callback = usa28_glocont_callback, | |
1791 | .indat_callback = usa28_indat_callback, | |
1792 | .outdat_callback = usa2x_outdat_callback, | |
1793 | .inack_callback = usa28_inack_callback, | |
1794 | .outcont_callback = usa28_outcont_callback, | |
1795 | }, { | |
1796 | /* msg_usa49 callbacks */ | |
1797 | .instat_callback = usa49_instat_callback, | |
1798 | .glocont_callback = usa49_glocont_callback, | |
1799 | .indat_callback = usa49_indat_callback, | |
1800 | .outdat_callback = usa2x_outdat_callback, | |
1801 | .inack_callback = usa49_inack_callback, | |
1802 | .outcont_callback = usa49_outcont_callback, | |
1803 | }, { | |
1804 | /* msg_usa90 callbacks */ | |
1805 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1806 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1807 | .indat_callback = usa90_indat_callback, |
1808 | .outdat_callback = usa2x_outdat_callback, | |
1809 | .inack_callback = usa28_inack_callback, | |
1810 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1811 | }, { |
1812 | /* msg_usa67 callbacks */ | |
1813 | .instat_callback = usa67_instat_callback, | |
1814 | .glocont_callback = usa67_glocont_callback, | |
1815 | .indat_callback = usa26_indat_callback, | |
1816 | .outdat_callback = usa2x_outdat_callback, | |
1817 | .inack_callback = usa26_inack_callback, | |
1818 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1819 | } |
1820 | }; | |
1821 | ||
1822 | /* Generic setup urbs function that uses | |
1823 | data in device_details */ | |
1824 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1825 | { | |
1da177e4 LT |
1826 | struct keyspan_serial_private *s_priv; |
1827 | const struct keyspan_device_details *d_details; | |
1da177e4 | 1828 | struct callbacks *cback; |
1da177e4 | 1829 | |
1da177e4 LT |
1830 | s_priv = usb_get_serial_data(serial); |
1831 | d_details = s_priv->device_details; | |
1832 | ||
deb91685 | 1833 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1834 | cback = &keyspan_callbacks[d_details->msg_format]; |
1835 | ||
deb91685 AC |
1836 | /* Allocate and set up urbs for each one that is in use, |
1837 | starting with instat endpoints */ | |
1da177e4 LT |
1838 | s_priv->instat_urb = keyspan_setup_urb |
1839 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1840 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1841 | cback->instat_callback); | |
1842 | ||
0ca1268e LM |
1843 | s_priv->indat_urb = keyspan_setup_urb |
1844 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1845 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1846 | usa49wg_indat_callback); | |
1847 | ||
1da177e4 LT |
1848 | s_priv->glocont_urb = keyspan_setup_urb |
1849 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1850 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1851 | cback->glocont_callback); | |
1da177e4 LT |
1852 | } |
1853 | ||
1854 | /* usa19 function doesn't require prescaler */ | |
049c6b4e GKH |
1855 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, |
1856 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1857 | u8 *rate_low, u8 *prescaler, int portnum) |
1858 | { | |
1859 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1860 | div, /* divisor */ |
1da177e4 | 1861 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1862 | |
049c6b4e | 1863 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
deb91685 AC |
1864 | |
1865 | /* prevent divide by zero... */ | |
1866 | b16 = baud_rate * 16L; | |
1867 | if (b16 == 0) | |
1868 | return KEYSPAN_INVALID_BAUD_RATE; | |
1869 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1870 | as we run out of divisor resolution. */ | |
1871 | if (baud_rate > 57600) | |
1872 | return KEYSPAN_INVALID_BAUD_RATE; | |
1873 | ||
1874 | /* calculate the divisor and the counter (its inverse) */ | |
1875 | div = baudclk / b16; | |
1876 | if (div == 0) | |
1877 | return KEYSPAN_INVALID_BAUD_RATE; | |
1878 | else | |
1da177e4 | 1879 | cnt = 0 - div; |
1da177e4 | 1880 | |
deb91685 AC |
1881 | if (div > 0xffff) |
1882 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1883 | |
deb91685 AC |
1884 | /* return the counter values if non-null */ |
1885 | if (rate_low) | |
1da177e4 | 1886 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1887 | if (rate_hi) |
1da177e4 | 1888 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 | 1889 | if (rate_low && rate_hi) |
049c6b4e | 1890 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1891 | __func__, baud_rate, *rate_hi, *rate_low); |
1892 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1893 | } |
1894 | ||
1895 | /* usa19hs function doesn't require prescaler */ | |
049c6b4e GKH |
1896 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, |
1897 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1898 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1899 | { |
1900 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1901 | div; /* divisor */ |
1da177e4 | 1902 | |
049c6b4e | 1903 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1904 | |
deb91685 AC |
1905 | /* prevent divide by zero... */ |
1906 | b16 = baud_rate * 16L; | |
1907 | if (b16 == 0) | |
1908 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1909 | |
deb91685 AC |
1910 | /* calculate the divisor */ |
1911 | div = baudclk / b16; | |
1912 | if (div == 0) | |
1913 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1914 | |
deb91685 AC |
1915 | if (div > 0xffff) |
1916 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1917 | |
deb91685 AC |
1918 | /* return the counter values if non-null */ |
1919 | if (rate_low) | |
1da177e4 | 1920 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1921 | |
1922 | if (rate_hi) | |
1da177e4 | 1923 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1924 | |
1925 | if (rate_low && rate_hi) | |
049c6b4e | 1926 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1927 | __func__, baud_rate, *rate_hi, *rate_low); |
1928 | ||
1929 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1930 | } |
1931 | ||
049c6b4e GKH |
1932 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, |
1933 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1934 | u8 *rate_low, u8 *prescaler, int portnum) |
1935 | { | |
1936 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1937 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1938 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1939 | res, /* resulting baud rate using 13/8 prescaler */ |
1940 | diff, /* error using 13/8 prescaler */ | |
1941 | smallest_diff; | |
1942 | u8 best_prescaler; | |
1943 | int i; | |
1944 | ||
049c6b4e | 1945 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1946 | |
deb91685 AC |
1947 | /* prevent divide by zero */ |
1948 | b16 = baud_rate * 16L; | |
1949 | if (b16 == 0) | |
1950 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1951 | |
deb91685 AC |
1952 | /* Calculate prescaler by trying them all and looking |
1953 | for best fit */ | |
1954 | ||
1955 | /* start with largest possible difference */ | |
1da177e4 LT |
1956 | smallest_diff = 0xffffffff; |
1957 | ||
1958 | /* 0 is an invalid prescaler, used as a flag */ | |
1959 | best_prescaler = 0; | |
1960 | ||
deb91685 | 1961 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1962 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1963 | |
1964 | div = clk / b16; | |
1965 | if (div == 0) | |
1da177e4 | 1966 | continue; |
1da177e4 LT |
1967 | |
1968 | res = clk / div; | |
deb91685 | 1969 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1970 | |
deb91685 | 1971 | if (diff < smallest_diff) { |
1da177e4 LT |
1972 | best_prescaler = i; |
1973 | smallest_diff = diff; | |
1974 | } | |
1975 | } | |
1976 | ||
deb91685 AC |
1977 | if (best_prescaler == 0) |
1978 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1979 | |
1980 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1981 | div = clk / b16; | |
1982 | ||
deb91685 AC |
1983 | /* return the divisor and prescaler if non-null */ |
1984 | if (rate_low) | |
1da177e4 | 1985 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1986 | if (rate_hi) |
1da177e4 | 1987 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1988 | if (prescaler) { |
1989 | *prescaler = best_prescaler; | |
049c6b4e | 1990 | /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ |
1da177e4 | 1991 | } |
deb91685 | 1992 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1993 | } |
1994 | ||
1995 | /* USA-28 supports different maximum baud rates on each port */ | |
049c6b4e GKH |
1996 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, |
1997 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1998 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1999 | { |
2000 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 2001 | div, /* divisor */ |
1da177e4 LT |
2002 | cnt; /* inverse of divisor (programmed into 8051) */ |
2003 | ||
049c6b4e | 2004 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 LT |
2005 | |
2006 | /* prevent divide by zero */ | |
deb91685 AC |
2007 | b16 = baud_rate * 16L; |
2008 | if (b16 == 0) | |
2009 | return KEYSPAN_INVALID_BAUD_RATE; | |
2010 | ||
2011 | /* calculate the divisor and the counter (its inverse) */ | |
2012 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
2013 | if (div == 0) | |
2014 | return KEYSPAN_INVALID_BAUD_RATE; | |
2015 | else | |
1da177e4 | 2016 | cnt = 0 - div; |
1da177e4 | 2017 | |
deb91685 AC |
2018 | /* check for out of range, based on portnum, |
2019 | and return result */ | |
2020 | if (portnum == 0) { | |
2021 | if (div > 0xffff) | |
2022 | return KEYSPAN_INVALID_BAUD_RATE; | |
2023 | } else { | |
2024 | if (portnum == 1) { | |
2025 | if (div > 0xff) | |
2026 | return KEYSPAN_INVALID_BAUD_RATE; | |
2027 | } else | |
2028 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
2029 | } |
2030 | ||
2031 | /* return the counter values if not NULL | |
2032 | (port 1 will ignore retHi) */ | |
deb91685 | 2033 | if (rate_low) |
1da177e4 | 2034 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 2035 | if (rate_hi) |
1da177e4 | 2036 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
049c6b4e | 2037 | dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); |
deb91685 | 2038 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
2039 | } |
2040 | ||
2041 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
2042 | struct usb_serial_port *port, | |
2043 | int reset_port) | |
2044 | { | |
deb91685 | 2045 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
2046 | struct keyspan_serial_private *s_priv; |
2047 | struct keyspan_port_private *p_priv; | |
2048 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
2049 | struct urb *this_urb; |
2050 | int device_port, err; | |
2051 | ||
049c6b4e | 2052 | dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); |
1da177e4 LT |
2053 | |
2054 | s_priv = usb_get_serial_data(serial); | |
2055 | p_priv = usb_get_serial_port_data(port); | |
2056 | d_details = s_priv->device_details; | |
1143832e | 2057 | device_port = port->port_number; |
1da177e4 | 2058 | |
1da177e4 LT |
2059 | this_urb = p_priv->outcont_urb; |
2060 | ||
1da177e4 LT |
2061 | /* Make sure we have an urb then send the message */ |
2062 | if (this_urb == NULL) { | |
049c6b4e | 2063 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2064 | return -1; |
2065 | } | |
2066 | ||
0cd782b0 JH |
2067 | dev_dbg(&port->dev, "%s - endpoint %x\n", |
2068 | __func__, usb_pipeendpoint(this_urb->pipe)); | |
d5afce82 | 2069 | |
1da177e4 | 2070 | /* Save reset port val for resend. |
0ca1268e LM |
2071 | Don't overwrite resend for open/close condition. */ |
2072 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
2073 | p_priv->resend_cont = reset_port + 1; |
2074 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2075 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 2076 | mdelay(5); |
deb91685 | 2077 | return -1; |
1da177e4 LT |
2078 | } |
2079 | ||
deb91685 AC |
2080 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
2081 | ||
2082 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
2083 | if (p_priv->old_baud != p_priv->baud) { |
2084 | p_priv->old_baud = p_priv->baud; | |
2085 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2086 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2087 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2088 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2089 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2090 | __func__, p_priv->baud); | |
1da177e4 LT |
2091 | msg.baudLo = 0; |
2092 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2093 | msg.prescaler = 10; | |
2094 | } | |
2095 | msg.setPrescaler = 0xff; | |
2096 | } | |
2097 | ||
2b982ab1 | 2098 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2099 | switch (p_priv->cflag & CSIZE) { |
2100 | case CS5: | |
2101 | msg.lcr |= USA_DATABITS_5; | |
2102 | break; | |
2103 | case CS6: | |
2104 | msg.lcr |= USA_DATABITS_6; | |
2105 | break; | |
2106 | case CS7: | |
2107 | msg.lcr |= USA_DATABITS_7; | |
2108 | break; | |
2109 | case CS8: | |
2110 | msg.lcr |= USA_DATABITS_8; | |
2111 | break; | |
2112 | } | |
2113 | if (p_priv->cflag & PARENB) { | |
2114 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2115 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2116 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2117 | } |
2118 | msg.setLcr = 0xff; | |
2119 | ||
2120 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2121 | msg.xonFlowControl = 0; | |
2122 | msg.setFlowControl = 0xff; | |
2123 | msg.forwardingLength = 16; | |
2124 | msg.xonChar = 17; | |
2125 | msg.xoffChar = 19; | |
2126 | ||
2127 | /* Opening port */ | |
2128 | if (reset_port == 1) { | |
2129 | msg._txOn = 1; | |
2130 | msg._txOff = 0; | |
2131 | msg.txFlush = 0; | |
2132 | msg.txBreak = 0; | |
2133 | msg.rxOn = 1; | |
2134 | msg.rxOff = 0; | |
2135 | msg.rxFlush = 1; | |
2136 | msg.rxForward = 0; | |
2137 | msg.returnStatus = 0; | |
2138 | msg.resetDataToggle = 0xff; | |
2139 | } | |
2140 | ||
2141 | /* Closing port */ | |
2142 | else if (reset_port == 2) { | |
2143 | msg._txOn = 0; | |
2144 | msg._txOff = 1; | |
2145 | msg.txFlush = 0; | |
2146 | msg.txBreak = 0; | |
2147 | msg.rxOn = 0; | |
2148 | msg.rxOff = 1; | |
2149 | msg.rxFlush = 1; | |
2150 | msg.rxForward = 0; | |
2151 | msg.returnStatus = 0; | |
2152 | msg.resetDataToggle = 0; | |
2153 | } | |
2154 | ||
2155 | /* Sending intermediate configs */ | |
2156 | else { | |
deb91685 | 2157 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2158 | msg._txOff = 0; |
2159 | msg.txFlush = 0; | |
2160 | msg.txBreak = (p_priv->break_on); | |
2161 | msg.rxOn = 0; | |
2162 | msg.rxOff = 0; | |
2163 | msg.rxFlush = 0; | |
2164 | msg.rxForward = 0; | |
2165 | msg.returnStatus = 0; | |
2166 | msg.resetDataToggle = 0x0; | |
2167 | } | |
2168 | ||
deb91685 | 2169 | /* Do handshaking outputs */ |
1da177e4 LT |
2170 | msg.setTxTriState_setRts = 0xff; |
2171 | msg.txTriState_rts = p_priv->rts_state; | |
2172 | ||
2173 | msg.setHskoa_setDtr = 0xff; | |
2174 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 2175 | |
1da177e4 | 2176 | p_priv->resend_cont = 0; |
deb91685 AC |
2177 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2178 | ||
1da177e4 LT |
2179 | /* send the data out the device on control endpoint */ |
2180 | this_urb->transfer_buffer_length = sizeof(msg); | |
2181 | ||
deb91685 AC |
2182 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2183 | if (err != 0) | |
049c6b4e | 2184 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2185 | return 0; |
1da177e4 LT |
2186 | } |
2187 | ||
2188 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
2189 | struct usb_serial_port *port, | |
2190 | int reset_port) | |
2191 | { | |
deb91685 | 2192 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
2193 | struct keyspan_serial_private *s_priv; |
2194 | struct keyspan_port_private *p_priv; | |
2195 | const struct keyspan_device_details *d_details; | |
2196 | struct urb *this_urb; | |
2197 | int device_port, err; | |
2198 | ||
1da177e4 LT |
2199 | s_priv = usb_get_serial_data(serial); |
2200 | p_priv = usb_get_serial_port_data(port); | |
2201 | d_details = s_priv->device_details; | |
1143832e | 2202 | device_port = port->port_number; |
1da177e4 LT |
2203 | |
2204 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2205 | this_urb = p_priv->outcont_urb; |
2206 | if (this_urb == NULL) { | |
049c6b4e | 2207 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2208 | return -1; |
2209 | } | |
2210 | ||
2211 | /* Save reset port val for resend. | |
0ca1268e LM |
2212 | Don't overwrite resend for open/close condition. */ |
2213 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
2214 | p_priv->resend_cont = reset_port + 1; |
2215 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2216 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 2217 | mdelay(5); |
deb91685 | 2218 | return -1; |
1da177e4 LT |
2219 | } |
2220 | ||
deb91685 | 2221 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
2222 | |
2223 | msg.setBaudRate = 1; | |
049c6b4e GKH |
2224 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2225 | &msg.baudHi, &msg.baudLo, NULL, | |
2226 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2227 | dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", | |
deb91685 | 2228 | __func__, p_priv->baud); |
1da177e4 LT |
2229 | msg.baudLo = 0xff; |
2230 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
2231 | } | |
2232 | ||
2233 | /* If parity is enabled, we must calculate it ourselves. */ | |
2234 | msg.parity = 0; /* XXX for now */ | |
2235 | ||
2236 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2237 | msg.xonFlowControl = 0; | |
2238 | ||
deb91685 | 2239 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
2240 | msg.rts = p_priv->rts_state; |
2241 | msg.dtr = p_priv->dtr_state; | |
2242 | ||
2243 | msg.forwardingLength = 16; | |
2244 | msg.forwardMs = 10; | |
2245 | msg.breakThreshold = 45; | |
2246 | msg.xonChar = 17; | |
2247 | msg.xoffChar = 19; | |
2248 | ||
2249 | /*msg.returnStatus = 1; | |
2250 | msg.resetDataToggle = 0xff;*/ | |
2251 | /* Opening port */ | |
2252 | if (reset_port == 1) { | |
2253 | msg._txOn = 1; | |
2254 | msg._txOff = 0; | |
2255 | msg.txFlush = 0; | |
2256 | msg.txForceXoff = 0; | |
2257 | msg.txBreak = 0; | |
2258 | msg.rxOn = 1; | |
2259 | msg.rxOff = 0; | |
2260 | msg.rxFlush = 1; | |
2261 | msg.rxForward = 0; | |
2262 | msg.returnStatus = 0; | |
2263 | msg.resetDataToggle = 0xff; | |
2264 | } | |
2265 | /* Closing port */ | |
2266 | else if (reset_port == 2) { | |
2267 | msg._txOn = 0; | |
2268 | msg._txOff = 1; | |
2269 | msg.txFlush = 0; | |
2270 | msg.txForceXoff = 0; | |
2271 | msg.txBreak = 0; | |
2272 | msg.rxOn = 0; | |
2273 | msg.rxOff = 1; | |
2274 | msg.rxFlush = 1; | |
2275 | msg.rxForward = 0; | |
2276 | msg.returnStatus = 0; | |
2277 | msg.resetDataToggle = 0; | |
2278 | } | |
2279 | /* Sending intermediate configs */ | |
2280 | else { | |
deb91685 | 2281 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2282 | msg._txOff = 0; |
2283 | msg.txFlush = 0; | |
2284 | msg.txForceXoff = 0; | |
2285 | msg.txBreak = (p_priv->break_on); | |
2286 | msg.rxOn = 0; | |
2287 | msg.rxOff = 0; | |
2288 | msg.rxFlush = 0; | |
2289 | msg.rxForward = 0; | |
2290 | msg.returnStatus = 0; | |
2291 | msg.resetDataToggle = 0x0; | |
2292 | } | |
2293 | ||
2294 | p_priv->resend_cont = 0; | |
deb91685 | 2295 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
2296 | |
2297 | /* send the data out the device on control endpoint */ | |
2298 | this_urb->transfer_buffer_length = sizeof(msg); | |
2299 | ||
deb91685 AC |
2300 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2301 | if (err != 0) | |
049c6b4e | 2302 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); |
1da177e4 | 2303 | |
a5b6f60c | 2304 | return 0; |
1da177e4 LT |
2305 | } |
2306 | ||
2307 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
2308 | struct usb_serial_port *port, | |
2309 | int reset_port) | |
2310 | { | |
0ca1268e LM |
2311 | struct keyspan_usa49_portControlMessage msg; |
2312 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
2313 | struct keyspan_serial_private *s_priv; |
2314 | struct keyspan_port_private *p_priv; | |
2315 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
2316 | struct urb *this_urb; |
2317 | int err, device_port; | |
2318 | ||
1da177e4 LT |
2319 | s_priv = usb_get_serial_data(serial); |
2320 | p_priv = usb_get_serial_port_data(port); | |
2321 | d_details = s_priv->device_details; | |
2322 | ||
1da177e4 LT |
2323 | this_urb = s_priv->glocont_urb; |
2324 | ||
0ca1268e | 2325 | /* Work out which port within the device is being setup */ |
1143832e | 2326 | device_port = port->port_number; |
1da177e4 | 2327 | |
d866150a | 2328 | /* Make sure we have an urb then send the message */ |
1da177e4 | 2329 | if (this_urb == NULL) { |
1143832e | 2330 | dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); |
1da177e4 LT |
2331 | return -1; |
2332 | } | |
2333 | ||
0cd782b0 | 2334 | dev_dbg(&port->dev, "%s - endpoint %x (%d)\n", |
1143832e | 2335 | __func__, usb_pipeendpoint(this_urb->pipe), device_port); |
d866150a | 2336 | |
1da177e4 | 2337 | /* Save reset port val for resend. |
0ca1268e LM |
2338 | Don't overwrite resend for open/close condition. */ |
2339 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 2340 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 2341 | |
1da177e4 | 2342 | if (this_urb->status == -EINPROGRESS) { |
049c6b4e | 2343 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 2344 | mdelay(5); |
deb91685 | 2345 | return -1; |
1da177e4 LT |
2346 | } |
2347 | ||
deb91685 | 2348 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 | 2349 | |
1da177e4 | 2350 | msg.portNumber = device_port; |
deb91685 AC |
2351 | |
2352 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
2353 | if (p_priv->old_baud != p_priv->baud) { |
2354 | p_priv->old_baud = p_priv->baud; | |
2355 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2356 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2357 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2358 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2359 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2360 | __func__, p_priv->baud); | |
1da177e4 LT |
2361 | msg.baudLo = 0; |
2362 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2363 | msg.prescaler = 10; | |
2364 | } | |
deb91685 | 2365 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
2366 | } |
2367 | ||
2b982ab1 | 2368 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2369 | switch (p_priv->cflag & CSIZE) { |
2370 | case CS5: | |
2371 | msg.lcr |= USA_DATABITS_5; | |
2372 | break; | |
2373 | case CS6: | |
2374 | msg.lcr |= USA_DATABITS_6; | |
2375 | break; | |
2376 | case CS7: | |
2377 | msg.lcr |= USA_DATABITS_7; | |
2378 | break; | |
2379 | case CS8: | |
2380 | msg.lcr |= USA_DATABITS_8; | |
2381 | break; | |
2382 | } | |
2383 | if (p_priv->cflag & PARENB) { | |
2384 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2385 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2386 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2387 | } |
2388 | msg.setLcr = 0xff; | |
2389 | ||
2390 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2391 | msg.xonFlowControl = 0; | |
2392 | msg.setFlowControl = 0xff; | |
deb91685 | 2393 | |
1da177e4 LT |
2394 | msg.forwardingLength = 16; |
2395 | msg.xonChar = 17; | |
2396 | msg.xoffChar = 19; | |
2397 | ||
deb91685 | 2398 | /* Opening port */ |
1da177e4 LT |
2399 | if (reset_port == 1) { |
2400 | msg._txOn = 1; | |
2401 | msg._txOff = 0; | |
2402 | msg.txFlush = 0; | |
2403 | msg.txBreak = 0; | |
2404 | msg.rxOn = 1; | |
2405 | msg.rxOff = 0; | |
2406 | msg.rxFlush = 1; | |
2407 | msg.rxForward = 0; | |
2408 | msg.returnStatus = 0; | |
2409 | msg.resetDataToggle = 0xff; | |
2410 | msg.enablePort = 1; | |
2411 | msg.disablePort = 0; | |
2412 | } | |
2413 | /* Closing port */ | |
2414 | else if (reset_port == 2) { | |
2415 | msg._txOn = 0; | |
2416 | msg._txOff = 1; | |
2417 | msg.txFlush = 0; | |
2418 | msg.txBreak = 0; | |
2419 | msg.rxOn = 0; | |
2420 | msg.rxOff = 1; | |
2421 | msg.rxFlush = 1; | |
2422 | msg.rxForward = 0; | |
2423 | msg.returnStatus = 0; | |
2424 | msg.resetDataToggle = 0; | |
2425 | msg.enablePort = 0; | |
2426 | msg.disablePort = 1; | |
2427 | } | |
2428 | /* Sending intermediate configs */ | |
2429 | else { | |
deb91685 | 2430 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2431 | msg._txOff = 0; |
2432 | msg.txFlush = 0; | |
2433 | msg.txBreak = (p_priv->break_on); | |
2434 | msg.rxOn = 0; | |
2435 | msg.rxOff = 0; | |
2436 | msg.rxFlush = 0; | |
2437 | msg.rxForward = 0; | |
2438 | msg.returnStatus = 0; | |
2439 | msg.resetDataToggle = 0x0; | |
2440 | msg.enablePort = 0; | |
2441 | msg.disablePort = 0; | |
2442 | } | |
2443 | ||
deb91685 | 2444 | /* Do handshaking outputs */ |
1da177e4 LT |
2445 | msg.setRts = 0xff; |
2446 | msg.rts = p_priv->rts_state; | |
2447 | ||
2448 | msg.setDtr = 0xff; | |
2449 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2450 | |
1da177e4 | 2451 | p_priv->resend_cont = 0; |
0ca1268e | 2452 | |
deb91685 AC |
2453 | /* if the device is a 49wg, we send control message on usb |
2454 | control EP 0 */ | |
0ca1268e LM |
2455 | |
2456 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
2457 | dr = (void *)(s_priv->ctrl_buf); | |
2458 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
6424839c | 2459 | dr->bRequest = 0xB0; /* 49wg control message */ |
0ca1268e LM |
2460 | dr->wValue = 0; |
2461 | dr->wIndex = 0; | |
2462 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
2463 | ||
deb91685 | 2464 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 2465 | |
deb91685 AC |
2466 | usb_fill_control_urb(this_urb, serial->dev, |
2467 | usb_sndctrlpipe(serial->dev, 0), | |
2468 | (unsigned char *)dr, s_priv->glocont_buf, | |
2469 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
2470 | |
2471 | } else { | |
2472 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 2473 | |
0ca1268e LM |
2474 | /* send the data out the device on control endpoint */ |
2475 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e | 2476 | } |
deb91685 AC |
2477 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2478 | if (err != 0) | |
049c6b4e | 2479 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 | 2480 | |
a5b6f60c | 2481 | return 0; |
1da177e4 LT |
2482 | } |
2483 | ||
2484 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
2485 | struct usb_serial_port *port, | |
2486 | int reset_port) | |
2487 | { | |
deb91685 | 2488 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
2489 | struct keyspan_serial_private *s_priv; |
2490 | struct keyspan_port_private *p_priv; | |
2491 | const struct keyspan_device_details *d_details; | |
2492 | struct urb *this_urb; | |
2493 | int err; | |
2494 | u8 prescaler; | |
2495 | ||
1da177e4 LT |
2496 | s_priv = usb_get_serial_data(serial); |
2497 | p_priv = usb_get_serial_port_data(port); | |
2498 | d_details = s_priv->device_details; | |
2499 | ||
2500 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2501 | this_urb = p_priv->outcont_urb; |
2502 | if (this_urb == NULL) { | |
049c6b4e | 2503 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2504 | return -1; |
2505 | } | |
2506 | ||
2507 | /* Save reset port val for resend. | |
2508 | Don't overwrite resend for open/close condition. */ | |
2509 | if ((reset_port + 1) > p_priv->resend_cont) | |
2510 | p_priv->resend_cont = reset_port + 1; | |
2511 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2512 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 2513 | mdelay(5); |
deb91685 | 2514 | return -1; |
1da177e4 LT |
2515 | } |
2516 | ||
deb91685 | 2517 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2518 | |
deb91685 | 2519 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2520 | if (p_priv->old_baud != p_priv->baud) { |
2521 | p_priv->old_baud = p_priv->baud; | |
2522 | msg.setClocking = 0x01; | |
049c6b4e GKH |
2523 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2524 | &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { | |
2525 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2526 | __func__, p_priv->baud); | |
1da177e4 | 2527 | p_priv->baud = 9600; |
049c6b4e | 2528 | d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2529 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2530 | } | |
2531 | msg.setRxMode = 1; | |
2532 | msg.setTxMode = 1; | |
2533 | } | |
2534 | ||
2535 | /* modes must always be correctly specified */ | |
deb91685 | 2536 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2537 | msg.rxMode = RXMODE_DMA; |
2538 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2539 | } else { |
1da177e4 LT |
2540 | msg.rxMode = RXMODE_BYHAND; |
2541 | msg.txMode = TXMODE_BYHAND; | |
2542 | } | |
2543 | ||
2b982ab1 | 2544 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2545 | switch (p_priv->cflag & CSIZE) { |
2546 | case CS5: | |
2547 | msg.lcr |= USA_DATABITS_5; | |
2548 | break; | |
2549 | case CS6: | |
2550 | msg.lcr |= USA_DATABITS_6; | |
2551 | break; | |
2552 | case CS7: | |
2553 | msg.lcr |= USA_DATABITS_7; | |
2554 | break; | |
2555 | case CS8: | |
2556 | msg.lcr |= USA_DATABITS_8; | |
2557 | break; | |
2558 | } | |
2559 | if (p_priv->cflag & PARENB) { | |
2560 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2561 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2562 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2563 | } |
2564 | if (p_priv->old_cflag != p_priv->cflag) { | |
2565 | p_priv->old_cflag = p_priv->cflag; | |
2566 | msg.setLcr = 0x01; | |
2567 | } | |
2568 | ||
2569 | if (p_priv->flow_control == flow_cts) | |
2570 | msg.txFlowControl = TXFLOW_CTS; | |
2571 | msg.setTxFlowControl = 0x01; | |
2572 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2573 | |
1da177e4 | 2574 | msg.rxForwardingLength = 16; |
deb91685 | 2575 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2576 | msg.txAckSetting = 0; |
2577 | msg.xonChar = 17; | |
2578 | msg.xoffChar = 19; | |
2579 | ||
deb91685 | 2580 | /* Opening port */ |
1da177e4 LT |
2581 | if (reset_port == 1) { |
2582 | msg.portEnabled = 1; | |
2583 | msg.rxFlush = 1; | |
2584 | msg.txBreak = (p_priv->break_on); | |
2585 | } | |
2586 | /* Closing port */ | |
deb91685 | 2587 | else if (reset_port == 2) |
1da177e4 | 2588 | msg.portEnabled = 0; |
1da177e4 LT |
2589 | /* Sending intermediate configs */ |
2590 | else { | |
1f87158e | 2591 | msg.portEnabled = 1; |
1da177e4 LT |
2592 | msg.txBreak = (p_priv->break_on); |
2593 | } | |
2594 | ||
deb91685 | 2595 | /* Do handshaking outputs */ |
1da177e4 LT |
2596 | msg.setRts = 0x01; |
2597 | msg.rts = p_priv->rts_state; | |
2598 | ||
2599 | msg.setDtr = 0x01; | |
2600 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2601 | |
1da177e4 | 2602 | p_priv->resend_cont = 0; |
deb91685 AC |
2603 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2604 | ||
1da177e4 LT |
2605 | /* send the data out the device on control endpoint */ |
2606 | this_urb->transfer_buffer_length = sizeof(msg); | |
2607 | ||
deb91685 AC |
2608 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2609 | if (err != 0) | |
049c6b4e | 2610 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2611 | return 0; |
1da177e4 LT |
2612 | } |
2613 | ||
0ca1268e LM |
2614 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2615 | struct usb_serial_port *port, | |
2616 | int reset_port) | |
2617 | { | |
2618 | struct keyspan_usa67_portControlMessage msg; | |
2619 | struct keyspan_serial_private *s_priv; | |
2620 | struct keyspan_port_private *p_priv; | |
2621 | const struct keyspan_device_details *d_details; | |
2622 | struct urb *this_urb; | |
2623 | int err, device_port; | |
2624 | ||
0ca1268e LM |
2625 | s_priv = usb_get_serial_data(serial); |
2626 | p_priv = usb_get_serial_port_data(port); | |
2627 | d_details = s_priv->device_details; | |
2628 | ||
2629 | this_urb = s_priv->glocont_urb; | |
2630 | ||
2631 | /* Work out which port within the device is being setup */ | |
1143832e | 2632 | device_port = port->port_number; |
0ca1268e LM |
2633 | |
2634 | /* Make sure we have an urb then send the message */ | |
2635 | if (this_urb == NULL) { | |
1143832e | 2636 | dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); |
0ca1268e LM |
2637 | return -1; |
2638 | } | |
2639 | ||
2640 | /* Save reset port val for resend. | |
2641 | Don't overwrite resend for open/close condition. */ | |
2642 | if ((reset_port + 1) > p_priv->resend_cont) | |
2643 | p_priv->resend_cont = reset_port + 1; | |
2644 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2645 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
0ca1268e | 2646 | mdelay(5); |
deb91685 | 2647 | return -1; |
0ca1268e LM |
2648 | } |
2649 | ||
2650 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2651 | ||
2652 | msg.port = device_port; | |
2653 | ||
2654 | /* Only set baud rate if it's changed */ | |
2655 | if (p_priv->old_baud != p_priv->baud) { | |
2656 | p_priv->old_baud = p_priv->baud; | |
2657 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2658 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2659 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2660 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2661 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2662 | __func__, p_priv->baud); | |
0ca1268e LM |
2663 | msg.baudLo = 0; |
2664 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2665 | msg.prescaler = 10; | |
2666 | } | |
2667 | msg.setPrescaler = 0xff; | |
2668 | } | |
2669 | ||
2670 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2671 | switch (p_priv->cflag & CSIZE) { | |
2672 | case CS5: | |
2673 | msg.lcr |= USA_DATABITS_5; | |
2674 | break; | |
2675 | case CS6: | |
2676 | msg.lcr |= USA_DATABITS_6; | |
2677 | break; | |
2678 | case CS7: | |
2679 | msg.lcr |= USA_DATABITS_7; | |
2680 | break; | |
2681 | case CS8: | |
2682 | msg.lcr |= USA_DATABITS_8; | |
2683 | break; | |
2684 | } | |
2685 | if (p_priv->cflag & PARENB) { | |
2686 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2687 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2688 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2689 | } |
2690 | msg.setLcr = 0xff; | |
2691 | ||
2692 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2693 | msg.xonFlowControl = 0; | |
2694 | msg.setFlowControl = 0xff; | |
2695 | msg.forwardingLength = 16; | |
2696 | msg.xonChar = 17; | |
2697 | msg.xoffChar = 19; | |
2698 | ||
2699 | if (reset_port == 1) { | |
2700 | /* Opening port */ | |
2701 | msg._txOn = 1; | |
2702 | msg._txOff = 0; | |
2703 | msg.txFlush = 0; | |
2704 | msg.txBreak = 0; | |
2705 | msg.rxOn = 1; | |
2706 | msg.rxOff = 0; | |
2707 | msg.rxFlush = 1; | |
2708 | msg.rxForward = 0; | |
2709 | msg.returnStatus = 0; | |
2710 | msg.resetDataToggle = 0xff; | |
2711 | } else if (reset_port == 2) { | |
2712 | /* Closing port */ | |
2713 | msg._txOn = 0; | |
2714 | msg._txOff = 1; | |
2715 | msg.txFlush = 0; | |
2716 | msg.txBreak = 0; | |
2717 | msg.rxOn = 0; | |
2718 | msg.rxOff = 1; | |
2719 | msg.rxFlush = 1; | |
2720 | msg.rxForward = 0; | |
2721 | msg.returnStatus = 0; | |
2722 | msg.resetDataToggle = 0; | |
2723 | } else { | |
2724 | /* Sending intermediate configs */ | |
deb91685 | 2725 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2726 | msg._txOff = 0; |
2727 | msg.txFlush = 0; | |
2728 | msg.txBreak = (p_priv->break_on); | |
2729 | msg.rxOn = 0; | |
2730 | msg.rxOff = 0; | |
2731 | msg.rxFlush = 0; | |
2732 | msg.rxForward = 0; | |
2733 | msg.returnStatus = 0; | |
2734 | msg.resetDataToggle = 0x0; | |
2735 | } | |
2736 | ||
2737 | /* Do handshaking outputs */ | |
2738 | msg.setTxTriState_setRts = 0xff; | |
2739 | msg.txTriState_rts = p_priv->rts_state; | |
2740 | ||
2741 | msg.setHskoa_setDtr = 0xff; | |
2742 | msg.hskoa_dtr = p_priv->dtr_state; | |
2743 | ||
2744 | p_priv->resend_cont = 0; | |
2745 | ||
2746 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2747 | ||
2748 | /* send the data out the device on control endpoint */ | |
2749 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e LM |
2750 | |
2751 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2752 | if (err != 0) | |
049c6b4e | 2753 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2754 | return 0; |
0ca1268e LM |
2755 | } |
2756 | ||
1da177e4 LT |
2757 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2758 | { | |
2759 | struct usb_serial *serial = port->serial; | |
2760 | struct keyspan_serial_private *s_priv; | |
2761 | const struct keyspan_device_details *d_details; | |
2762 | ||
1da177e4 LT |
2763 | s_priv = usb_get_serial_data(serial); |
2764 | d_details = s_priv->device_details; | |
2765 | ||
2766 | switch (d_details->msg_format) { | |
2767 | case msg_usa26: | |
2768 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2769 | break; | |
2770 | case msg_usa28: | |
2771 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2772 | break; | |
2773 | case msg_usa49: | |
2774 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2775 | break; | |
2776 | case msg_usa90: | |
2777 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2778 | break; | |
0ca1268e LM |
2779 | case msg_usa67: |
2780 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2781 | break; | |
1da177e4 LT |
2782 | } |
2783 | } | |
2784 | ||
2785 | ||
2786 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2787 | and renumeration has taken place. */ | |
deb91685 | 2788 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2789 | { |
2790 | int i, err; | |
1da177e4 | 2791 | struct keyspan_serial_private *s_priv; |
1da177e4 LT |
2792 | const struct keyspan_device_details *d_details; |
2793 | ||
1da177e4 | 2794 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
deb91685 AC |
2795 | if (d_details->product_id == |
2796 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2797 | break; |
2798 | if (d_details == NULL) { | |
deb91685 AC |
2799 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2800 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
ff8a43c1 | 2801 | return -ENODEV; |
1da177e4 LT |
2802 | } |
2803 | ||
2804 | /* Setup private data for serial driver */ | |
80b6ca48 | 2805 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
10c642d0 | 2806 | if (!s_priv) |
1da177e4 | 2807 | return -ENOMEM; |
1da177e4 | 2808 | |
2fcd1c9b JH |
2809 | s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); |
2810 | if (!s_priv->instat_buf) | |
2811 | goto err_instat_buf; | |
2812 | ||
2813 | s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); | |
2814 | if (!s_priv->indat_buf) | |
2815 | goto err_indat_buf; | |
2816 | ||
2817 | s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); | |
2818 | if (!s_priv->glocont_buf) | |
2819 | goto err_glocont_buf; | |
2820 | ||
2821 | s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); | |
2822 | if (!s_priv->ctrl_buf) | |
2823 | goto err_ctrl_buf; | |
2824 | ||
1da177e4 LT |
2825 | s_priv->device_details = d_details; |
2826 | usb_set_serial_data(serial, s_priv); | |
2827 | ||
1da177e4 LT |
2828 | keyspan_setup_urbs(serial); |
2829 | ||
0ca1268e | 2830 | if (s_priv->instat_urb != NULL) { |
0ca1268e LM |
2831 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
2832 | if (err != 0) | |
7ebcb334 | 2833 | dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); |
0ca1268e LM |
2834 | } |
2835 | if (s_priv->indat_urb != NULL) { | |
0ca1268e LM |
2836 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
2837 | if (err != 0) | |
7ebcb334 | 2838 | dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); |
1da177e4 | 2839 | } |
deb91685 | 2840 | |
a5b6f60c | 2841 | return 0; |
2fcd1c9b JH |
2842 | |
2843 | err_ctrl_buf: | |
2844 | kfree(s_priv->glocont_buf); | |
2845 | err_glocont_buf: | |
2846 | kfree(s_priv->indat_buf); | |
2847 | err_indat_buf: | |
2848 | kfree(s_priv->instat_buf); | |
2849 | err_instat_buf: | |
2850 | kfree(s_priv); | |
2851 | ||
2852 | return -ENOMEM; | |
1da177e4 LT |
2853 | } |
2854 | ||
f9c99bb8 | 2855 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 | 2856 | { |
f79b2d0f | 2857 | struct keyspan_serial_private *s_priv; |
1da177e4 | 2858 | |
1da177e4 LT |
2859 | s_priv = usb_get_serial_data(serial); |
2860 | ||
61924505 JH |
2861 | usb_kill_urb(s_priv->instat_urb); |
2862 | usb_kill_urb(s_priv->glocont_urb); | |
2863 | usb_kill_urb(s_priv->indat_urb); | |
f79b2d0f JH |
2864 | } |
2865 | ||
2866 | static void keyspan_release(struct usb_serial *serial) | |
2867 | { | |
2868 | struct keyspan_serial_private *s_priv; | |
2869 | ||
2870 | s_priv = usb_get_serial_data(serial); | |
1da177e4 | 2871 | |
35be1a71 JH |
2872 | /* Make sure to unlink the URBs submitted in attach. */ |
2873 | usb_kill_urb(s_priv->instat_urb); | |
2874 | usb_kill_urb(s_priv->indat_urb); | |
2875 | ||
1cadc137 | 2876 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2877 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2878 | usb_free_urb(s_priv->glocont_urb); |
f79b2d0f | 2879 | |
2fcd1c9b JH |
2880 | kfree(s_priv->ctrl_buf); |
2881 | kfree(s_priv->glocont_buf); | |
2882 | kfree(s_priv->indat_buf); | |
2883 | kfree(s_priv->instat_buf); | |
2884 | ||
f79b2d0f | 2885 | kfree(s_priv); |
f9c99bb8 AS |
2886 | } |
2887 | ||
f79b2d0f | 2888 | static int keyspan_port_probe(struct usb_serial_port *port) |
f9c99bb8 | 2889 | { |
f79b2d0f | 2890 | struct usb_serial *serial = port->serial; |
f0e3e35c | 2891 | struct keyspan_serial_private *s_priv; |
f79b2d0f JH |
2892 | struct keyspan_port_private *p_priv; |
2893 | const struct keyspan_device_details *d_details; | |
2894 | struct callbacks *cback; | |
2895 | int endp; | |
2896 | int port_num; | |
2897 | int i; | |
f9c99bb8 | 2898 | |
f9c99bb8 | 2899 | s_priv = usb_get_serial_data(serial); |
f79b2d0f | 2900 | d_details = s_priv->device_details; |
1da177e4 | 2901 | |
f79b2d0f JH |
2902 | p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); |
2903 | if (!p_priv) | |
2904 | return -ENOMEM; | |
1da177e4 | 2905 | |
bad41a5b JH |
2906 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { |
2907 | p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); | |
2908 | if (!p_priv->in_buffer[i]) | |
2909 | goto err_in_buffer; | |
2910 | } | |
2911 | ||
2912 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { | |
2913 | p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); | |
2914 | if (!p_priv->out_buffer[i]) | |
2915 | goto err_out_buffer; | |
2916 | } | |
2917 | ||
2918 | p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); | |
2919 | if (!p_priv->inack_buffer) | |
2920 | goto err_inack_buffer; | |
2921 | ||
2922 | p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); | |
2923 | if (!p_priv->outcont_buffer) | |
2924 | goto err_outcont_buffer; | |
2925 | ||
f79b2d0f JH |
2926 | p_priv->device_details = d_details; |
2927 | ||
2928 | /* Setup values for the various callback routines */ | |
2929 | cback = &keyspan_callbacks[d_details->msg_format]; | |
2930 | ||
1143832e | 2931 | port_num = port->port_number; |
f79b2d0f JH |
2932 | |
2933 | /* Do indat endpoints first, once for each flip */ | |
2934 | endp = d_details->indat_endpoints[port_num]; | |
2935 | for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { | |
2936 | p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, | |
2937 | USB_DIR_IN, port, | |
bad41a5b JH |
2938 | p_priv->in_buffer[i], |
2939 | IN_BUFLEN, | |
f79b2d0f JH |
2940 | cback->indat_callback); |
2941 | } | |
2942 | /* outdat endpoints also have flip */ | |
2943 | endp = d_details->outdat_endpoints[port_num]; | |
2944 | for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { | |
2945 | p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, | |
2946 | USB_DIR_OUT, port, | |
bad41a5b JH |
2947 | p_priv->out_buffer[i], |
2948 | OUT_BUFLEN, | |
f79b2d0f JH |
2949 | cback->outdat_callback); |
2950 | } | |
2951 | /* inack endpoint */ | |
2952 | p_priv->inack_urb = keyspan_setup_urb(serial, | |
2953 | d_details->inack_endpoints[port_num], | |
2954 | USB_DIR_IN, port, | |
bad41a5b JH |
2955 | p_priv->inack_buffer, |
2956 | INACK_BUFLEN, | |
f79b2d0f JH |
2957 | cback->inack_callback); |
2958 | /* outcont endpoint */ | |
2959 | p_priv->outcont_urb = keyspan_setup_urb(serial, | |
2960 | d_details->outcont_endpoints[port_num], | |
2961 | USB_DIR_OUT, port, | |
bad41a5b JH |
2962 | p_priv->outcont_buffer, |
2963 | OUTCONT_BUFLEN, | |
f79b2d0f JH |
2964 | cback->outcont_callback); |
2965 | ||
2966 | usb_set_serial_port_data(port, p_priv); | |
2967 | ||
2968 | return 0; | |
bad41a5b JH |
2969 | |
2970 | err_outcont_buffer: | |
2971 | kfree(p_priv->inack_buffer); | |
2972 | err_inack_buffer: | |
2973 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) | |
2974 | kfree(p_priv->out_buffer[i]); | |
2975 | err_out_buffer: | |
2976 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) | |
2977 | kfree(p_priv->in_buffer[i]); | |
2978 | err_in_buffer: | |
2979 | kfree(p_priv); | |
2980 | ||
2981 | return -ENOMEM; | |
f79b2d0f JH |
2982 | } |
2983 | ||
2984 | static int keyspan_port_remove(struct usb_serial_port *port) | |
2985 | { | |
2986 | struct keyspan_port_private *p_priv; | |
2987 | int i; | |
2988 | ||
2989 | p_priv = usb_get_serial_port_data(port); | |
2990 | ||
61924505 JH |
2991 | usb_kill_urb(p_priv->inack_urb); |
2992 | usb_kill_urb(p_priv->outcont_urb); | |
f79b2d0f | 2993 | for (i = 0; i < 2; i++) { |
61924505 JH |
2994 | usb_kill_urb(p_priv->in_urbs[i]); |
2995 | usb_kill_urb(p_priv->out_urbs[i]); | |
f79b2d0f JH |
2996 | } |
2997 | ||
2998 | usb_free_urb(p_priv->inack_urb); | |
2999 | usb_free_urb(p_priv->outcont_urb); | |
3000 | for (i = 0; i < 2; i++) { | |
3001 | usb_free_urb(p_priv->in_urbs[i]); | |
3002 | usb_free_urb(p_priv->out_urbs[i]); | |
1da177e4 | 3003 | } |
f79b2d0f | 3004 | |
bad41a5b JH |
3005 | kfree(p_priv->outcont_buffer); |
3006 | kfree(p_priv->inack_buffer); | |
3007 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) | |
3008 | kfree(p_priv->out_buffer[i]); | |
3009 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) | |
3010 | kfree(p_priv->in_buffer[i]); | |
3011 | ||
f79b2d0f JH |
3012 | kfree(p_priv); |
3013 | ||
3014 | return 0; | |
1da177e4 LT |
3015 | } |
3016 | ||
beabdc3c JH |
3017 | /* Structs for the devices, pre and post renumeration. */ |
3018 | static struct usb_serial_driver keyspan_pre_device = { | |
3019 | .driver = { | |
3020 | .owner = THIS_MODULE, | |
3021 | .name = "keyspan_no_firm", | |
3022 | }, | |
3023 | .description = "Keyspan - (without firmware)", | |
3024 | .id_table = keyspan_pre_ids, | |
3025 | .num_ports = 1, | |
3026 | .attach = keyspan_fake_startup, | |
3027 | }; | |
3028 | ||
3029 | static struct usb_serial_driver keyspan_1port_device = { | |
3030 | .driver = { | |
3031 | .owner = THIS_MODULE, | |
3032 | .name = "keyspan_1", | |
3033 | }, | |
3034 | .description = "Keyspan 1 port adapter", | |
3035 | .id_table = keyspan_1port_ids, | |
3036 | .num_ports = 1, | |
3037 | .open = keyspan_open, | |
3038 | .close = keyspan_close, | |
3039 | .dtr_rts = keyspan_dtr_rts, | |
3040 | .write = keyspan_write, | |
3041 | .write_room = keyspan_write_room, | |
3042 | .set_termios = keyspan_set_termios, | |
3043 | .break_ctl = keyspan_break_ctl, | |
3044 | .tiocmget = keyspan_tiocmget, | |
3045 | .tiocmset = keyspan_tiocmset, | |
3046 | .attach = keyspan_startup, | |
3047 | .disconnect = keyspan_disconnect, | |
3048 | .release = keyspan_release, | |
3049 | .port_probe = keyspan_port_probe, | |
3050 | .port_remove = keyspan_port_remove, | |
3051 | }; | |
3052 | ||
3053 | static struct usb_serial_driver keyspan_2port_device = { | |
3054 | .driver = { | |
3055 | .owner = THIS_MODULE, | |
3056 | .name = "keyspan_2", | |
3057 | }, | |
3058 | .description = "Keyspan 2 port adapter", | |
3059 | .id_table = keyspan_2port_ids, | |
3060 | .num_ports = 2, | |
3061 | .open = keyspan_open, | |
3062 | .close = keyspan_close, | |
3063 | .dtr_rts = keyspan_dtr_rts, | |
3064 | .write = keyspan_write, | |
3065 | .write_room = keyspan_write_room, | |
3066 | .set_termios = keyspan_set_termios, | |
3067 | .break_ctl = keyspan_break_ctl, | |
3068 | .tiocmget = keyspan_tiocmget, | |
3069 | .tiocmset = keyspan_tiocmset, | |
3070 | .attach = keyspan_startup, | |
3071 | .disconnect = keyspan_disconnect, | |
3072 | .release = keyspan_release, | |
3073 | .port_probe = keyspan_port_probe, | |
3074 | .port_remove = keyspan_port_remove, | |
3075 | }; | |
3076 | ||
3077 | static struct usb_serial_driver keyspan_4port_device = { | |
3078 | .driver = { | |
3079 | .owner = THIS_MODULE, | |
3080 | .name = "keyspan_4", | |
3081 | }, | |
3082 | .description = "Keyspan 4 port adapter", | |
3083 | .id_table = keyspan_4port_ids, | |
3084 | .num_ports = 4, | |
3085 | .open = keyspan_open, | |
3086 | .close = keyspan_close, | |
3087 | .dtr_rts = keyspan_dtr_rts, | |
3088 | .write = keyspan_write, | |
3089 | .write_room = keyspan_write_room, | |
3090 | .set_termios = keyspan_set_termios, | |
3091 | .break_ctl = keyspan_break_ctl, | |
3092 | .tiocmget = keyspan_tiocmget, | |
3093 | .tiocmset = keyspan_tiocmset, | |
3094 | .attach = keyspan_startup, | |
3095 | .disconnect = keyspan_disconnect, | |
3096 | .release = keyspan_release, | |
3097 | .port_probe = keyspan_port_probe, | |
3098 | .port_remove = keyspan_port_remove, | |
3099 | }; | |
3100 | ||
3101 | static struct usb_serial_driver * const serial_drivers[] = { | |
3102 | &keyspan_pre_device, &keyspan_1port_device, | |
3103 | &keyspan_2port_device, &keyspan_4port_device, NULL | |
3104 | }; | |
3105 | ||
3106 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); | |
3107 | ||
deb91685 AC |
3108 | MODULE_AUTHOR(DRIVER_AUTHOR); |
3109 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
3110 | MODULE_LICENSE("GPL"); |
3111 | ||
2971c579 DW |
3112 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
3113 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
3114 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
3115 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
3116 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
3117 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
3118 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
3119 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
3120 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
3121 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
3122 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
3123 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |