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Commit | Line | Data |
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58cfe911 | 1 | /* |
14f76cc7 | 2 | USB Driver for GSM modems |
58cfe911 MU |
3 | |
4 | Copyright (C) 2005 Matthias Urlichs <smurf@smurf.noris.de> | |
5 | ||
6 | This driver is free software; you can redistribute it and/or modify | |
7 | it under the terms of Version 2 of the GNU General Public License as | |
8 | published by the Free Software Foundation. | |
9 | ||
10 | Portions copied from the Keyspan driver by Hugh Blemings <hugh@blemings.org> | |
11 | ||
b3fdab59 | 12 | History: see the git log. |
ba460e48 MU |
13 | |
14 | Work sponsored by: Sigos GmbH, Germany <info@sigos.de> | |
15 | ||
14f76cc7 MU |
16 | This driver exists because the "normal" serial driver doesn't work too well |
17 | with GSM modems. Issues: | |
18 | - data loss -- one single Receive URB is not nearly enough | |
7c1c2f73 | 19 | - nonstandard flow (Option devices) control |
14f76cc7 MU |
20 | - controlling the baud rate doesn't make sense |
21 | ||
22 | This driver is named "option" because the most common device it's | |
23 | used for is a PC-Card (with an internal OHCI-USB interface, behind | |
24 | which the GSM interface sits), made by Option Inc. | |
25 | ||
26 | Some of the "one port" devices actually exhibit multiple USB instances | |
27 | on the USB bus. This is not a bug, these ports are used for different | |
28 | device features. | |
58cfe911 | 29 | */ |
ba460e48 | 30 | |
e37de9e0 | 31 | #define DRIVER_VERSION "v0.7.1" |
58cfe911 | 32 | #define DRIVER_AUTHOR "Matthias Urlichs <smurf@smurf.noris.de>" |
14f76cc7 | 33 | #define DRIVER_DESC "USB Driver for GSM modems" |
58cfe911 | 34 | |
58cfe911 MU |
35 | #include <linux/kernel.h> |
36 | #include <linux/jiffies.h> | |
37 | #include <linux/errno.h> | |
38 | #include <linux/tty.h> | |
39 | #include <linux/tty_flip.h> | |
40 | #include <linux/module.h> | |
59c2afa0 | 41 | #include <linux/bitops.h> |
58cfe911 | 42 | #include <linux/usb.h> |
a969888c | 43 | #include <linux/usb/serial.h> |
58cfe911 MU |
44 | |
45 | /* Function prototypes */ | |
7bb75aee AM |
46 | static int option_open(struct usb_serial_port *port, struct file *filp); |
47 | static void option_close(struct usb_serial_port *port, struct file *filp); | |
48 | static int option_startup(struct usb_serial *serial); | |
49 | static void option_shutdown(struct usb_serial *serial); | |
50 | static void option_rx_throttle(struct usb_serial_port *port); | |
51 | static void option_rx_unthrottle(struct usb_serial_port *port); | |
52 | static int option_write_room(struct usb_serial_port *port); | |
58cfe911 | 53 | |
7d12e780 | 54 | static void option_instat_callback(struct urb *urb); |
58cfe911 | 55 | |
7bb75aee AM |
56 | static int option_write(struct usb_serial_port *port, |
57 | const unsigned char *buf, int count); | |
58cfe911 | 58 | |
7bb75aee AM |
59 | static int option_chars_in_buffer(struct usb_serial_port *port); |
60 | static int option_ioctl(struct usb_serial_port *port, struct file *file, | |
61 | unsigned int cmd, unsigned long arg); | |
62 | static void option_set_termios(struct usb_serial_port *port, | |
606d099c | 63 | struct ktermios *old); |
7bb75aee AM |
64 | static void option_break_ctl(struct usb_serial_port *port, int break_state); |
65 | static int option_tiocmget(struct usb_serial_port *port, struct file *file); | |
66 | static int option_tiocmset(struct usb_serial_port *port, struct file *file, | |
67 | unsigned int set, unsigned int clear); | |
68 | static int option_send_setup(struct usb_serial_port *port); | |
58cfe911 MU |
69 | |
70 | /* Vendor and product IDs */ | |
fd978bfa GKH |
71 | #define OPTION_VENDOR_ID 0x0AF0 |
72 | #define OPTION_PRODUCT_COLT 0x5000 | |
73 | #define OPTION_PRODUCT_RICOLA 0x6000 | |
74 | #define OPTION_PRODUCT_RICOLA_LIGHT 0x6100 | |
75 | #define OPTION_PRODUCT_RICOLA_QUAD 0x6200 | |
76 | #define OPTION_PRODUCT_RICOLA_QUAD_LIGHT 0x6300 | |
77 | #define OPTION_PRODUCT_RICOLA_NDIS 0x6050 | |
78 | #define OPTION_PRODUCT_RICOLA_NDIS_LIGHT 0x6150 | |
79 | #define OPTION_PRODUCT_RICOLA_NDIS_QUAD 0x6250 | |
80 | #define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT 0x6350 | |
81 | #define OPTION_PRODUCT_COBRA 0x6500 | |
82 | #define OPTION_PRODUCT_COBRA_BUS 0x6501 | |
83 | #define OPTION_PRODUCT_VIPER 0x6600 | |
84 | #define OPTION_PRODUCT_VIPER_BUS 0x6601 | |
85 | #define OPTION_PRODUCT_GT_MAX_READY 0x6701 | |
86 | #define OPTION_PRODUCT_GT_MAX 0x6711 | |
87 | #define OPTION_PRODUCT_FUJI_MODEM_LIGHT 0x6721 | |
88 | #define OPTION_PRODUCT_FUJI_MODEM_GT 0x6741 | |
89 | #define OPTION_PRODUCT_FUJI_MODEM_EX 0x6761 | |
90 | #define OPTION_PRODUCT_FUJI_NETWORK_LIGHT 0x6731 | |
91 | #define OPTION_PRODUCT_FUJI_NETWORK_GT 0x6751 | |
92 | #define OPTION_PRODUCT_FUJI_NETWORK_EX 0x6771 | |
93 | #define OPTION_PRODUCT_KOI_MODEM 0x6800 | |
94 | #define OPTION_PRODUCT_KOI_NETWORK 0x6811 | |
95 | #define OPTION_PRODUCT_SCORPION_MODEM 0x6901 | |
96 | #define OPTION_PRODUCT_SCORPION_NETWORK 0x6911 | |
97 | #define OPTION_PRODUCT_ETNA_MODEM 0x7001 | |
98 | #define OPTION_PRODUCT_ETNA_NETWORK 0x7011 | |
99 | #define OPTION_PRODUCT_ETNA_MODEM_LITE 0x7021 | |
100 | #define OPTION_PRODUCT_ETNA_MODEM_GT 0x7041 | |
101 | #define OPTION_PRODUCT_ETNA_MODEM_EX 0x7061 | |
102 | #define OPTION_PRODUCT_ETNA_NETWORK_LITE 0x7031 | |
103 | #define OPTION_PRODUCT_ETNA_NETWORK_GT 0x7051 | |
104 | #define OPTION_PRODUCT_ETNA_NETWORK_EX 0x7071 | |
105 | #define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100 | |
106 | #define OPTION_PRODUCT_ETNA_KOI_NETWORK 0x7111 | |
107 | ||
108 | #define HUAWEI_VENDOR_ID 0x12D1 | |
109 | #define HUAWEI_PRODUCT_E600 0x1001 | |
110 | #define HUAWEI_PRODUCT_E220 0x1003 | |
111 | ||
112 | #define NOVATELWIRELESS_VENDOR_ID 0x1410 | |
96443218 | 113 | #define DELL_VENDOR_ID 0x413C |
fd978bfa GKH |
114 | |
115 | #define ANYDATA_VENDOR_ID 0x16d5 | |
46269db9 AG |
116 | #define ANYDATA_PRODUCT_ADU_E100A 0x6501 |
117 | #define ANYDATA_PRODUCT_ADU_500A 0x6502 | |
58cfe911 | 118 | |
3f6e5846 LL |
119 | #define BANDRICH_VENDOR_ID 0x1A8D |
120 | #define BANDRICH_PRODUCT_C100_1 0x1002 | |
121 | #define BANDRICH_PRODUCT_C100_2 0x1003 | |
122 | ||
58cfe911 | 123 | static struct usb_device_id option_ids[] = { |
fd978bfa GKH |
124 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, |
125 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, | |
126 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) }, | |
127 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) }, | |
128 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) }, | |
129 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) }, | |
130 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) }, | |
131 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) }, | |
132 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) }, | |
14f76cc7 | 133 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, |
fd978bfa GKH |
134 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) }, |
135 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) }, | |
136 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) }, | |
137 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) }, | |
138 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) }, | |
139 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) }, | |
140 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) }, | |
141 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) }, | |
142 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) }, | |
143 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) }, | |
144 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) }, | |
145 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) }, | |
146 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) }, | |
147 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) }, | |
148 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) }, | |
149 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) }, | |
150 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) }, | |
151 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) }, | |
152 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) }, | |
153 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) }, | |
154 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) }, | |
155 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) }, | |
156 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) }, | |
157 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) }, | |
158 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) }, | |
b6137383 | 159 | { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, |
ab195890 | 160 | { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220) }, |
69806d56 GKH |
161 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1100) }, /* Novatel Merlin XS620/S640 */ |
162 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1110) }, /* Novatel Merlin S620 */ | |
163 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1120) }, /* Novatel Merlin EX720 */ | |
164 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1130) }, /* Novatel Merlin S720 */ | |
165 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1400) }, /* Novatel U730 */ | |
166 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1410) }, /* Novatel U740 */ | |
167 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1420) }, /* Novatel EU870 */ | |
168 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */ | |
69806d56 GKH |
169 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2100) }, /* Novatel EV620 CDMA/EV-DO */ |
170 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */ | |
171 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */ | |
172 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */ | |
96443218 FL |
173 | { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */ |
174 | { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ | |
175 | { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ | |
176 | { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */ | |
177 | { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */ | |
178 | { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */ | |
46269db9 AG |
179 | { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, |
180 | { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, | |
3f6e5846 LL |
181 | { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, |
182 | { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, | |
14f76cc7 MU |
183 | { } /* Terminating entry */ |
184 | }; | |
58cfe911 MU |
185 | MODULE_DEVICE_TABLE(usb, option_ids); |
186 | ||
187 | static struct usb_driver option_driver = { | |
58cfe911 MU |
188 | .name = "option", |
189 | .probe = usb_serial_probe, | |
190 | .disconnect = usb_serial_disconnect, | |
191 | .id_table = option_ids, | |
ba9dc657 | 192 | .no_dynamic_id = 1, |
58cfe911 MU |
193 | }; |
194 | ||
c30fe7f7 | 195 | /* The card has three separate interfaces, which the serial driver |
58cfe911 MU |
196 | * recognizes separately, thus num_port=1. |
197 | */ | |
14f76cc7 MU |
198 | |
199 | static struct usb_serial_driver option_1port_device = { | |
200 | .driver = { | |
201 | .owner = THIS_MODULE, | |
02b2ac5b | 202 | .name = "option1", |
14f76cc7 MU |
203 | }, |
204 | .description = "GSM modem (1-port)", | |
d9b1b787 | 205 | .usb_driver = &option_driver, |
b656b2cb | 206 | .id_table = option_ids, |
ba460e48 MU |
207 | .num_interrupt_in = NUM_DONT_CARE, |
208 | .num_bulk_in = NUM_DONT_CARE, | |
209 | .num_bulk_out = NUM_DONT_CARE, | |
14f76cc7 | 210 | .num_ports = 1, |
ba460e48 MU |
211 | .open = option_open, |
212 | .close = option_close, | |
213 | .write = option_write, | |
214 | .write_room = option_write_room, | |
215 | .chars_in_buffer = option_chars_in_buffer, | |
216 | .throttle = option_rx_throttle, | |
217 | .unthrottle = option_rx_unthrottle, | |
218 | .ioctl = option_ioctl, | |
219 | .set_termios = option_set_termios, | |
220 | .break_ctl = option_break_ctl, | |
221 | .tiocmget = option_tiocmget, | |
222 | .tiocmset = option_tiocmset, | |
223 | .attach = option_startup, | |
224 | .shutdown = option_shutdown, | |
225 | .read_int_callback = option_instat_callback, | |
58cfe911 MU |
226 | }; |
227 | ||
ba460e48 | 228 | #ifdef CONFIG_USB_DEBUG |
58cfe911 | 229 | static int debug; |
ba460e48 MU |
230 | #else |
231 | #define debug 0 | |
232 | #endif | |
233 | ||
58cfe911 MU |
234 | /* per port private data */ |
235 | ||
ba460e48 MU |
236 | #define N_IN_URB 4 |
237 | #define N_OUT_URB 1 | |
b27c73dc | 238 | #define IN_BUFLEN 4096 |
ba460e48 | 239 | #define OUT_BUFLEN 128 |
58cfe911 MU |
240 | |
241 | struct option_port_private { | |
242 | /* Input endpoints and buffer for this port */ | |
ba460e48 MU |
243 | struct urb *in_urbs[N_IN_URB]; |
244 | char in_buffer[N_IN_URB][IN_BUFLEN]; | |
58cfe911 | 245 | /* Output endpoints and buffer for this port */ |
ba460e48 MU |
246 | struct urb *out_urbs[N_OUT_URB]; |
247 | char out_buffer[N_OUT_URB][OUT_BUFLEN]; | |
59c2afa0 | 248 | unsigned long out_busy; /* Bit vector of URBs in use */ |
58cfe911 MU |
249 | |
250 | /* Settings for the port */ | |
ba460e48 MU |
251 | int rts_state; /* Handshaking pins (outputs) */ |
252 | int dtr_state; | |
253 | int cts_state; /* Handshaking pins (inputs) */ | |
254 | int dsr_state; | |
255 | int dcd_state; | |
256 | int ri_state; | |
257 | ||
258 | unsigned long tx_start_time[N_OUT_URB]; | |
58cfe911 MU |
259 | }; |
260 | ||
58cfe911 | 261 | /* Functions used by new usb-serial code. */ |
7bb75aee | 262 | static int __init option_init(void) |
58cfe911 MU |
263 | { |
264 | int retval; | |
14f76cc7 MU |
265 | retval = usb_serial_register(&option_1port_device); |
266 | if (retval) | |
267 | goto failed_1port_device_register; | |
58cfe911 MU |
268 | retval = usb_register(&option_driver); |
269 | if (retval) | |
270 | goto failed_driver_register; | |
271 | ||
272 | info(DRIVER_DESC ": " DRIVER_VERSION); | |
273 | ||
274 | return 0; | |
275 | ||
276 | failed_driver_register: | |
14f76cc7 MU |
277 | usb_serial_deregister (&option_1port_device); |
278 | failed_1port_device_register: | |
58cfe911 MU |
279 | return retval; |
280 | } | |
281 | ||
7bb75aee | 282 | static void __exit option_exit(void) |
58cfe911 MU |
283 | { |
284 | usb_deregister (&option_driver); | |
14f76cc7 | 285 | usb_serial_deregister (&option_1port_device); |
58cfe911 MU |
286 | } |
287 | ||
288 | module_init(option_init); | |
289 | module_exit(option_exit); | |
290 | ||
7bb75aee | 291 | static void option_rx_throttle(struct usb_serial_port *port) |
58cfe911 MU |
292 | { |
293 | dbg("%s", __FUNCTION__); | |
294 | } | |
295 | ||
7bb75aee | 296 | static void option_rx_unthrottle(struct usb_serial_port *port) |
58cfe911 MU |
297 | { |
298 | dbg("%s", __FUNCTION__); | |
299 | } | |
300 | ||
7bb75aee | 301 | static void option_break_ctl(struct usb_serial_port *port, int break_state) |
58cfe911 MU |
302 | { |
303 | /* Unfortunately, I don't know how to send a break */ | |
ba460e48 | 304 | dbg("%s", __FUNCTION__); |
58cfe911 MU |
305 | } |
306 | ||
7bb75aee | 307 | static void option_set_termios(struct usb_serial_port *port, |
606d099c | 308 | struct ktermios *old_termios) |
58cfe911 MU |
309 | { |
310 | dbg("%s", __FUNCTION__); | |
311 | ||
312 | option_send_setup(port); | |
313 | } | |
314 | ||
7bb75aee | 315 | static int option_tiocmget(struct usb_serial_port *port, struct file *file) |
58cfe911 | 316 | { |
ba460e48 MU |
317 | unsigned int value; |
318 | struct option_port_private *portdata; | |
58cfe911 MU |
319 | |
320 | portdata = usb_get_serial_port_data(port); | |
321 | ||
322 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | | |
323 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | | |
324 | ((portdata->cts_state) ? TIOCM_CTS : 0) | | |
325 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | | |
326 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | | |
327 | ((portdata->ri_state) ? TIOCM_RNG : 0); | |
328 | ||
329 | return value; | |
330 | } | |
331 | ||
7bb75aee AM |
332 | static int option_tiocmset(struct usb_serial_port *port, struct file *file, |
333 | unsigned int set, unsigned int clear) | |
58cfe911 | 334 | { |
ba460e48 | 335 | struct option_port_private *portdata; |
58cfe911 MU |
336 | |
337 | portdata = usb_get_serial_port_data(port); | |
338 | ||
339 | if (set & TIOCM_RTS) | |
340 | portdata->rts_state = 1; | |
341 | if (set & TIOCM_DTR) | |
342 | portdata->dtr_state = 1; | |
343 | ||
344 | if (clear & TIOCM_RTS) | |
345 | portdata->rts_state = 0; | |
346 | if (clear & TIOCM_DTR) | |
347 | portdata->dtr_state = 0; | |
348 | return option_send_setup(port); | |
349 | } | |
350 | ||
7bb75aee AM |
351 | static int option_ioctl(struct usb_serial_port *port, struct file *file, |
352 | unsigned int cmd, unsigned long arg) | |
58cfe911 MU |
353 | { |
354 | return -ENOIOCTLCMD; | |
355 | } | |
356 | ||
357 | /* Write */ | |
7bb75aee AM |
358 | static int option_write(struct usb_serial_port *port, |
359 | const unsigned char *buf, int count) | |
58cfe911 | 360 | { |
ba460e48 MU |
361 | struct option_port_private *portdata; |
362 | int i; | |
363 | int left, todo; | |
364 | struct urb *this_urb = NULL; /* spurious */ | |
365 | int err; | |
58cfe911 MU |
366 | |
367 | portdata = usb_get_serial_port_data(port); | |
368 | ||
369 | dbg("%s: write (%d chars)", __FUNCTION__, count); | |
370 | ||
58cfe911 MU |
371 | i = 0; |
372 | left = count; | |
ba460e48 | 373 | for (i=0; left > 0 && i < N_OUT_URB; i++) { |
58cfe911 MU |
374 | todo = left; |
375 | if (todo > OUT_BUFLEN) | |
376 | todo = OUT_BUFLEN; | |
377 | ||
ba460e48 | 378 | this_urb = portdata->out_urbs[i]; |
59c2afa0 | 379 | if (test_and_set_bit(i, &portdata->out_busy)) { |
7bb75aee AM |
380 | if (time_before(jiffies, |
381 | portdata->tx_start_time[i] + 10 * HZ)) | |
58cfe911 | 382 | continue; |
58cfe911 | 383 | usb_unlink_urb(this_urb); |
ba460e48 | 384 | continue; |
58cfe911 | 385 | } |
ba460e48 | 386 | if (this_urb->status != 0) |
7bb75aee AM |
387 | dbg("usb_write %p failed (err=%d)", |
388 | this_urb, this_urb->status); | |
58cfe911 | 389 | |
7bb75aee AM |
390 | dbg("%s: endpoint %d buf %d", __FUNCTION__, |
391 | usb_pipeendpoint(this_urb->pipe), i); | |
58cfe911 | 392 | |
ba460e48 | 393 | /* send the data */ |
58cfe911 | 394 | memcpy (this_urb->transfer_buffer, buf, todo); |
58cfe911 MU |
395 | this_urb->transfer_buffer_length = todo; |
396 | ||
58cfe911 MU |
397 | this_urb->dev = port->serial->dev; |
398 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
399 | if (err) { | |
7bb75aee AM |
400 | dbg("usb_submit_urb %p (write bulk) failed " |
401 | "(%d, has %d)", this_urb, | |
402 | err, this_urb->status); | |
59c2afa0 | 403 | clear_bit(i, &portdata->out_busy); |
58cfe911 MU |
404 | continue; |
405 | } | |
406 | portdata->tx_start_time[i] = jiffies; | |
407 | buf += todo; | |
408 | left -= todo; | |
409 | } | |
410 | ||
411 | count -= left; | |
58cfe911 MU |
412 | dbg("%s: wrote (did %d)", __FUNCTION__, count); |
413 | return count; | |
414 | } | |
415 | ||
7d12e780 | 416 | static void option_indat_callback(struct urb *urb) |
58cfe911 | 417 | { |
33f0f88f | 418 | int err; |
58cfe911 MU |
419 | int endpoint; |
420 | struct usb_serial_port *port; | |
421 | struct tty_struct *tty; | |
422 | unsigned char *data = urb->transfer_buffer; | |
d6977b51 | 423 | int status = urb->status; |
58cfe911 MU |
424 | |
425 | dbg("%s: %p", __FUNCTION__, urb); | |
426 | ||
427 | endpoint = usb_pipeendpoint(urb->pipe); | |
428 | port = (struct usb_serial_port *) urb->context; | |
429 | ||
d6977b51 | 430 | if (status) { |
58cfe911 | 431 | dbg("%s: nonzero status: %d on endpoint %02x.", |
d6977b51 | 432 | __FUNCTION__, status, endpoint); |
58cfe911 MU |
433 | } else { |
434 | tty = port->tty; | |
435 | if (urb->actual_length) { | |
33f0f88f AC |
436 | tty_buffer_request_room(tty, urb->actual_length); |
437 | tty_insert_flip_string(tty, data, urb->actual_length); | |
58cfe911 MU |
438 | tty_flip_buffer_push(tty); |
439 | } else { | |
440 | dbg("%s: empty read urb received", __FUNCTION__); | |
441 | } | |
442 | ||
443 | /* Resubmit urb so we continue receiving */ | |
d6977b51 | 444 | if (port->open_count && status != -ESHUTDOWN) { |
58cfe911 MU |
445 | err = usb_submit_urb(urb, GFP_ATOMIC); |
446 | if (err) | |
7bb75aee AM |
447 | printk(KERN_ERR "%s: resubmit read urb failed. " |
448 | "(%d)", __FUNCTION__, err); | |
58cfe911 MU |
449 | } |
450 | } | |
451 | return; | |
452 | } | |
453 | ||
7d12e780 | 454 | static void option_outdat_callback(struct urb *urb) |
58cfe911 MU |
455 | { |
456 | struct usb_serial_port *port; | |
59c2afa0 AS |
457 | struct option_port_private *portdata; |
458 | int i; | |
58cfe911 MU |
459 | |
460 | dbg("%s", __FUNCTION__); | |
461 | ||
462 | port = (struct usb_serial_port *) urb->context; | |
463 | ||
cf2c7481 | 464 | usb_serial_port_softint(port); |
59c2afa0 AS |
465 | |
466 | portdata = usb_get_serial_port_data(port); | |
467 | for (i = 0; i < N_OUT_URB; ++i) { | |
468 | if (portdata->out_urbs[i] == urb) { | |
469 | smp_mb__before_clear_bit(); | |
470 | clear_bit(i, &portdata->out_busy); | |
471 | break; | |
472 | } | |
473 | } | |
58cfe911 MU |
474 | } |
475 | ||
7d12e780 | 476 | static void option_instat_callback(struct urb *urb) |
58cfe911 MU |
477 | { |
478 | int err; | |
d6977b51 | 479 | int status = urb->status; |
58cfe911 MU |
480 | struct usb_serial_port *port = (struct usb_serial_port *) urb->context; |
481 | struct option_port_private *portdata = usb_get_serial_port_data(port); | |
482 | struct usb_serial *serial = port->serial; | |
483 | ||
484 | dbg("%s", __FUNCTION__); | |
485 | dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata); | |
486 | ||
d6977b51 | 487 | if (status == 0) { |
58cfe911 MU |
488 | struct usb_ctrlrequest *req_pkt = |
489 | (struct usb_ctrlrequest *)urb->transfer_buffer; | |
490 | ||
491 | if (!req_pkt) { | |
492 | dbg("%s: NULL req_pkt\n", __FUNCTION__); | |
493 | return; | |
494 | } | |
7bb75aee AM |
495 | if ((req_pkt->bRequestType == 0xA1) && |
496 | (req_pkt->bRequest == 0x20)) { | |
58cfe911 MU |
497 | int old_dcd_state; |
498 | unsigned char signals = *((unsigned char *) | |
7bb75aee AM |
499 | urb->transfer_buffer + |
500 | sizeof(struct usb_ctrlrequest)); | |
58cfe911 MU |
501 | |
502 | dbg("%s: signal x%x", __FUNCTION__, signals); | |
503 | ||
504 | old_dcd_state = portdata->dcd_state; | |
505 | portdata->cts_state = 1; | |
506 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); | |
507 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); | |
508 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); | |
509 | ||
7bb75aee AM |
510 | if (port->tty && !C_CLOCAL(port->tty) && |
511 | old_dcd_state && !portdata->dcd_state) | |
58cfe911 | 512 | tty_hangup(port->tty); |
7bb75aee AM |
513 | } else { |
514 | dbg("%s: type %x req %x", __FUNCTION__, | |
515 | req_pkt->bRequestType,req_pkt->bRequest); | |
516 | } | |
58cfe911 | 517 | } else |
d6977b51 | 518 | dbg("%s: error %d", __FUNCTION__, status); |
58cfe911 MU |
519 | |
520 | /* Resubmit urb so we continue receiving IRQ data */ | |
d6977b51 | 521 | if (status != -ESHUTDOWN) { |
58cfe911 MU |
522 | urb->dev = serial->dev; |
523 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
524 | if (err) | |
7bb75aee AM |
525 | dbg("%s: resubmit intr urb failed. (%d)", |
526 | __FUNCTION__, err); | |
58cfe911 MU |
527 | } |
528 | } | |
529 | ||
7bb75aee | 530 | static int option_write_room(struct usb_serial_port *port) |
58cfe911 MU |
531 | { |
532 | struct option_port_private *portdata; | |
533 | int i; | |
534 | int data_len = 0; | |
535 | struct urb *this_urb; | |
536 | ||
537 | portdata = usb_get_serial_port_data(port); | |
538 | ||
ba460e48 | 539 | for (i=0; i < N_OUT_URB; i++) { |
58cfe911 | 540 | this_urb = portdata->out_urbs[i]; |
59c2afa0 | 541 | if (this_urb && !test_bit(i, &portdata->out_busy)) |
58cfe911 | 542 | data_len += OUT_BUFLEN; |
ba460e48 | 543 | } |
58cfe911 MU |
544 | |
545 | dbg("%s: %d", __FUNCTION__, data_len); | |
546 | return data_len; | |
547 | } | |
548 | ||
7bb75aee | 549 | static int option_chars_in_buffer(struct usb_serial_port *port) |
58cfe911 MU |
550 | { |
551 | struct option_port_private *portdata; | |
552 | int i; | |
553 | int data_len = 0; | |
554 | struct urb *this_urb; | |
555 | ||
556 | portdata = usb_get_serial_port_data(port); | |
557 | ||
ba460e48 | 558 | for (i=0; i < N_OUT_URB; i++) { |
58cfe911 | 559 | this_urb = portdata->out_urbs[i]; |
59c2afa0 | 560 | if (this_urb && test_bit(i, &portdata->out_busy)) |
58cfe911 | 561 | data_len += this_urb->transfer_buffer_length; |
ba460e48 | 562 | } |
58cfe911 MU |
563 | dbg("%s: %d", __FUNCTION__, data_len); |
564 | return data_len; | |
565 | } | |
566 | ||
7bb75aee | 567 | static int option_open(struct usb_serial_port *port, struct file *filp) |
58cfe911 | 568 | { |
ba460e48 MU |
569 | struct option_port_private *portdata; |
570 | struct usb_serial *serial = port->serial; | |
571 | int i, err; | |
572 | struct urb *urb; | |
58cfe911 MU |
573 | |
574 | portdata = usb_get_serial_port_data(port); | |
575 | ||
576 | dbg("%s", __FUNCTION__); | |
577 | ||
578 | /* Set some sane defaults */ | |
579 | portdata->rts_state = 1; | |
580 | portdata->dtr_state = 1; | |
581 | ||
582 | /* Reset low level data toggle and start reading from endpoints */ | |
583 | for (i = 0; i < N_IN_URB; i++) { | |
584 | urb = portdata->in_urbs[i]; | |
585 | if (! urb) | |
586 | continue; | |
587 | if (urb->dev != serial->dev) { | |
7bb75aee AM |
588 | dbg("%s: dev %p != %p", __FUNCTION__, |
589 | urb->dev, serial->dev); | |
58cfe911 MU |
590 | continue; |
591 | } | |
592 | ||
7bb75aee AM |
593 | /* |
594 | * make sure endpoint data toggle is synchronized with the | |
595 | * device | |
596 | */ | |
58cfe911 MU |
597 | usb_clear_halt(urb->dev, urb->pipe); |
598 | ||
599 | err = usb_submit_urb(urb, GFP_KERNEL); | |
600 | if (err) { | |
7bb75aee AM |
601 | dbg("%s: submit urb %d failed (%d) %d", |
602 | __FUNCTION__, i, err, | |
58cfe911 MU |
603 | urb->transfer_buffer_length); |
604 | } | |
605 | } | |
606 | ||
607 | /* Reset low level data toggle on out endpoints */ | |
608 | for (i = 0; i < N_OUT_URB; i++) { | |
609 | urb = portdata->out_urbs[i]; | |
610 | if (! urb) | |
611 | continue; | |
612 | urb->dev = serial->dev; | |
7bb75aee AM |
613 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
614 | usb_pipeout(urb->pipe), 0); */ | |
58cfe911 MU |
615 | } |
616 | ||
617 | port->tty->low_latency = 1; | |
618 | ||
619 | option_send_setup(port); | |
620 | ||
621 | return (0); | |
622 | } | |
623 | ||
7bb75aee | 624 | static void option_close(struct usb_serial_port *port, struct file *filp) |
58cfe911 | 625 | { |
ba460e48 MU |
626 | int i; |
627 | struct usb_serial *serial = port->serial; | |
628 | struct option_port_private *portdata; | |
58cfe911 MU |
629 | |
630 | dbg("%s", __FUNCTION__); | |
631 | portdata = usb_get_serial_port_data(port); | |
632 | ||
633 | portdata->rts_state = 0; | |
634 | portdata->dtr_state = 0; | |
635 | ||
636 | if (serial->dev) { | |
637 | option_send_setup(port); | |
638 | ||
639 | /* Stop reading/writing urbs */ | |
640 | for (i = 0; i < N_IN_URB; i++) | |
7d28e74b | 641 | usb_kill_urb(portdata->in_urbs[i]); |
58cfe911 | 642 | for (i = 0; i < N_OUT_URB; i++) |
7d28e74b | 643 | usb_kill_urb(portdata->out_urbs[i]); |
58cfe911 MU |
644 | } |
645 | port->tty = NULL; | |
646 | } | |
647 | ||
58cfe911 | 648 | /* Helper functions used by option_setup_urbs */ |
7bb75aee AM |
649 | static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint, |
650 | int dir, void *ctx, char *buf, int len, | |
7d12e780 | 651 | void (*callback)(struct urb *)) |
58cfe911 MU |
652 | { |
653 | struct urb *urb; | |
654 | ||
655 | if (endpoint == -1) | |
656 | return NULL; /* endpoint not needed */ | |
657 | ||
658 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ | |
659 | if (urb == NULL) { | |
660 | dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint); | |
661 | return NULL; | |
662 | } | |
663 | ||
664 | /* Fill URB using supplied data. */ | |
665 | usb_fill_bulk_urb(urb, serial->dev, | |
666 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
667 | buf, len, callback, ctx); | |
668 | ||
669 | return urb; | |
670 | } | |
671 | ||
672 | /* Setup urbs */ | |
7bb75aee | 673 | static void option_setup_urbs(struct usb_serial *serial) |
58cfe911 | 674 | { |
14f76cc7 | 675 | int i,j; |
ba460e48 MU |
676 | struct usb_serial_port *port; |
677 | struct option_port_private *portdata; | |
58cfe911 MU |
678 | |
679 | dbg("%s", __FUNCTION__); | |
680 | ||
14f76cc7 MU |
681 | for (i = 0; i < serial->num_ports; i++) { |
682 | port = serial->port[i]; | |
683 | portdata = usb_get_serial_port_data(port); | |
58cfe911 MU |
684 | |
685 | /* Do indat endpoints first */ | |
14f76cc7 MU |
686 | for (j = 0; j < N_IN_URB; ++j) { |
687 | portdata->in_urbs[j] = option_setup_urb (serial, | |
688 | port->bulk_in_endpointAddress, USB_DIR_IN, port, | |
689 | portdata->in_buffer[j], IN_BUFLEN, option_indat_callback); | |
690 | } | |
58cfe911 | 691 | |
14f76cc7 MU |
692 | /* outdat endpoints */ |
693 | for (j = 0; j < N_OUT_URB; ++j) { | |
694 | portdata->out_urbs[j] = option_setup_urb (serial, | |
695 | port->bulk_out_endpointAddress, USB_DIR_OUT, port, | |
696 | portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback); | |
697 | } | |
58cfe911 MU |
698 | } |
699 | } | |
700 | ||
7bb75aee | 701 | static int option_send_setup(struct usb_serial_port *port) |
58cfe911 MU |
702 | { |
703 | struct usb_serial *serial = port->serial; | |
704 | struct option_port_private *portdata; | |
705 | ||
706 | dbg("%s", __FUNCTION__); | |
707 | ||
8c152713 MAA |
708 | if (port->number != 0) |
709 | return 0; | |
710 | ||
58cfe911 MU |
711 | portdata = usb_get_serial_port_data(port); |
712 | ||
713 | if (port->tty) { | |
714 | int val = 0; | |
715 | if (portdata->dtr_state) | |
716 | val |= 0x01; | |
717 | if (portdata->rts_state) | |
718 | val |= 0x02; | |
719 | ||
7bb75aee AM |
720 | return usb_control_msg(serial->dev, |
721 | usb_rcvctrlpipe(serial->dev, 0), | |
722 | 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT); | |
58cfe911 MU |
723 | } |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
7bb75aee | 728 | static int option_startup(struct usb_serial *serial) |
58cfe911 | 729 | { |
ba460e48 MU |
730 | int i, err; |
731 | struct usb_serial_port *port; | |
732 | struct option_port_private *portdata; | |
58cfe911 MU |
733 | |
734 | dbg("%s", __FUNCTION__); | |
735 | ||
736 | /* Now setup per port private data */ | |
737 | for (i = 0; i < serial->num_ports; i++) { | |
738 | port = serial->port[i]; | |
80b6ca48 | 739 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
58cfe911 | 740 | if (!portdata) { |
7bb75aee AM |
741 | dbg("%s: kmalloc for option_port_private (%d) failed!.", |
742 | __FUNCTION__, i); | |
58cfe911 MU |
743 | return (1); |
744 | } | |
58cfe911 MU |
745 | |
746 | usb_set_serial_port_data(port, portdata); | |
747 | ||
748 | if (! port->interrupt_in_urb) | |
749 | continue; | |
750 | err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); | |
751 | if (err) | |
7bb75aee AM |
752 | dbg("%s: submit irq_in urb failed %d", |
753 | __FUNCTION__, err); | |
58cfe911 MU |
754 | } |
755 | ||
756 | option_setup_urbs(serial); | |
757 | ||
758 | return (0); | |
759 | } | |
760 | ||
7bb75aee | 761 | static void option_shutdown(struct usb_serial *serial) |
58cfe911 | 762 | { |
ba460e48 MU |
763 | int i, j; |
764 | struct usb_serial_port *port; | |
765 | struct option_port_private *portdata; | |
58cfe911 MU |
766 | |
767 | dbg("%s", __FUNCTION__); | |
768 | ||
769 | /* Stop reading/writing urbs */ | |
770 | for (i = 0; i < serial->num_ports; ++i) { | |
771 | port = serial->port[i]; | |
772 | portdata = usb_get_serial_port_data(port); | |
773 | for (j = 0; j < N_IN_URB; j++) | |
7d28e74b | 774 | usb_kill_urb(portdata->in_urbs[j]); |
58cfe911 | 775 | for (j = 0; j < N_OUT_URB; j++) |
7d28e74b | 776 | usb_kill_urb(portdata->out_urbs[j]); |
58cfe911 MU |
777 | } |
778 | ||
779 | /* Now free them */ | |
780 | for (i = 0; i < serial->num_ports; ++i) { | |
781 | port = serial->port[i]; | |
782 | portdata = usb_get_serial_port_data(port); | |
783 | ||
784 | for (j = 0; j < N_IN_URB; j++) { | |
785 | if (portdata->in_urbs[j]) { | |
786 | usb_free_urb(portdata->in_urbs[j]); | |
787 | portdata->in_urbs[j] = NULL; | |
788 | } | |
789 | } | |
790 | for (j = 0; j < N_OUT_URB; j++) { | |
791 | if (portdata->out_urbs[j]) { | |
792 | usb_free_urb(portdata->out_urbs[j]); | |
793 | portdata->out_urbs[j] = NULL; | |
794 | } | |
795 | } | |
796 | } | |
797 | ||
798 | /* Now free per port private data */ | |
799 | for (i = 0; i < serial->num_ports; i++) { | |
800 | port = serial->port[i]; | |
801 | kfree(usb_get_serial_port_data(port)); | |
802 | } | |
803 | } | |
804 | ||
805 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
806 | MODULE_DESCRIPTION(DRIVER_DESC); | |
807 | MODULE_VERSION(DRIVER_VERSION); | |
808 | MODULE_LICENSE("GPL"); | |
809 | ||
ba460e48 | 810 | #ifdef CONFIG_USB_DEBUG |
58cfe911 MU |
811 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
812 | MODULE_PARM_DESC(debug, "Debug messages"); | |
ba460e48 | 813 | #endif |
58cfe911 | 814 |