Commit | Line | Data |
---|---|---|
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 | |
a3209a0e | 111 | #define HUAWEI_PRODUCT_E220BIS 0x1004 |
fd978bfa GKH |
112 | |
113 | #define NOVATELWIRELESS_VENDOR_ID 0x1410 | |
96443218 | 114 | #define DELL_VENDOR_ID 0x413C |
fd978bfa GKH |
115 | |
116 | #define ANYDATA_VENDOR_ID 0x16d5 | |
46269db9 AG |
117 | #define ANYDATA_PRODUCT_ADU_E100A 0x6501 |
118 | #define ANYDATA_PRODUCT_ADU_500A 0x6502 | |
58cfe911 | 119 | |
3f6e5846 LL |
120 | #define BANDRICH_VENDOR_ID 0x1A8D |
121 | #define BANDRICH_PRODUCT_C100_1 0x1002 | |
122 | #define BANDRICH_PRODUCT_C100_2 0x1003 | |
123 | ||
58cfe911 | 124 | static struct usb_device_id option_ids[] = { |
fd978bfa GKH |
125 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, |
126 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, | |
127 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) }, | |
128 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) }, | |
129 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) }, | |
130 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) }, | |
131 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) }, | |
132 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) }, | |
133 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) }, | |
14f76cc7 | 134 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, |
fd978bfa GKH |
135 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) }, |
136 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) }, | |
137 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) }, | |
138 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) }, | |
139 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) }, | |
140 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) }, | |
141 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) }, | |
142 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) }, | |
143 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) }, | |
144 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) }, | |
145 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) }, | |
146 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) }, | |
147 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) }, | |
148 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) }, | |
149 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) }, | |
150 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) }, | |
151 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) }, | |
152 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) }, | |
153 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) }, | |
154 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) }, | |
155 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) }, | |
156 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) }, | |
157 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) }, | |
158 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) }, | |
159 | { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) }, | |
b6137383 | 160 | { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, |
ab195890 | 161 | { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220) }, |
a3209a0e | 162 | { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS) }, |
69806d56 GKH |
163 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1100) }, /* Novatel Merlin XS620/S640 */ |
164 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1110) }, /* Novatel Merlin S620 */ | |
165 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1120) }, /* Novatel Merlin EX720 */ | |
166 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1130) }, /* Novatel Merlin S720 */ | |
167 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1400) }, /* Novatel U730 */ | |
168 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1410) }, /* Novatel U740 */ | |
169 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1420) }, /* Novatel EU870 */ | |
170 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */ | |
69806d56 GKH |
171 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2100) }, /* Novatel EV620 CDMA/EV-DO */ |
172 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */ | |
173 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */ | |
174 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */ | |
3657f6c0 GKH |
175 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4100) }, /* Novatel U727 */ |
176 | { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4400) }, /* Novatel MC950 */ | |
96443218 FL |
177 | { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */ |
178 | { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ | |
179 | { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ | |
180 | { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */ | |
181 | { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */ | |
182 | { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */ | |
2c4cd1f1 | 183 | { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */ |
46269db9 AG |
184 | { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, |
185 | { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, | |
3f6e5846 LL |
186 | { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, |
187 | { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, | |
14f76cc7 MU |
188 | { } /* Terminating entry */ |
189 | }; | |
58cfe911 MU |
190 | MODULE_DEVICE_TABLE(usb, option_ids); |
191 | ||
192 | static struct usb_driver option_driver = { | |
58cfe911 MU |
193 | .name = "option", |
194 | .probe = usb_serial_probe, | |
195 | .disconnect = usb_serial_disconnect, | |
196 | .id_table = option_ids, | |
ba9dc657 | 197 | .no_dynamic_id = 1, |
58cfe911 MU |
198 | }; |
199 | ||
c30fe7f7 | 200 | /* The card has three separate interfaces, which the serial driver |
58cfe911 MU |
201 | * recognizes separately, thus num_port=1. |
202 | */ | |
14f76cc7 MU |
203 | |
204 | static struct usb_serial_driver option_1port_device = { | |
205 | .driver = { | |
206 | .owner = THIS_MODULE, | |
02b2ac5b | 207 | .name = "option1", |
14f76cc7 MU |
208 | }, |
209 | .description = "GSM modem (1-port)", | |
d9b1b787 | 210 | .usb_driver = &option_driver, |
b656b2cb | 211 | .id_table = option_ids, |
ba460e48 MU |
212 | .num_interrupt_in = NUM_DONT_CARE, |
213 | .num_bulk_in = NUM_DONT_CARE, | |
214 | .num_bulk_out = NUM_DONT_CARE, | |
14f76cc7 | 215 | .num_ports = 1, |
ba460e48 MU |
216 | .open = option_open, |
217 | .close = option_close, | |
218 | .write = option_write, | |
219 | .write_room = option_write_room, | |
220 | .chars_in_buffer = option_chars_in_buffer, | |
221 | .throttle = option_rx_throttle, | |
222 | .unthrottle = option_rx_unthrottle, | |
223 | .ioctl = option_ioctl, | |
224 | .set_termios = option_set_termios, | |
225 | .break_ctl = option_break_ctl, | |
226 | .tiocmget = option_tiocmget, | |
227 | .tiocmset = option_tiocmset, | |
228 | .attach = option_startup, | |
229 | .shutdown = option_shutdown, | |
230 | .read_int_callback = option_instat_callback, | |
58cfe911 MU |
231 | }; |
232 | ||
ba460e48 | 233 | #ifdef CONFIG_USB_DEBUG |
58cfe911 | 234 | static int debug; |
ba460e48 MU |
235 | #else |
236 | #define debug 0 | |
237 | #endif | |
238 | ||
58cfe911 MU |
239 | /* per port private data */ |
240 | ||
ba460e48 MU |
241 | #define N_IN_URB 4 |
242 | #define N_OUT_URB 1 | |
b27c73dc | 243 | #define IN_BUFLEN 4096 |
ba460e48 | 244 | #define OUT_BUFLEN 128 |
58cfe911 MU |
245 | |
246 | struct option_port_private { | |
247 | /* Input endpoints and buffer for this port */ | |
ba460e48 MU |
248 | struct urb *in_urbs[N_IN_URB]; |
249 | char in_buffer[N_IN_URB][IN_BUFLEN]; | |
58cfe911 | 250 | /* Output endpoints and buffer for this port */ |
ba460e48 MU |
251 | struct urb *out_urbs[N_OUT_URB]; |
252 | char out_buffer[N_OUT_URB][OUT_BUFLEN]; | |
59c2afa0 | 253 | unsigned long out_busy; /* Bit vector of URBs in use */ |
58cfe911 MU |
254 | |
255 | /* Settings for the port */ | |
ba460e48 MU |
256 | int rts_state; /* Handshaking pins (outputs) */ |
257 | int dtr_state; | |
258 | int cts_state; /* Handshaking pins (inputs) */ | |
259 | int dsr_state; | |
260 | int dcd_state; | |
261 | int ri_state; | |
262 | ||
263 | unsigned long tx_start_time[N_OUT_URB]; | |
58cfe911 MU |
264 | }; |
265 | ||
58cfe911 | 266 | /* Functions used by new usb-serial code. */ |
7bb75aee | 267 | static int __init option_init(void) |
58cfe911 MU |
268 | { |
269 | int retval; | |
14f76cc7 MU |
270 | retval = usb_serial_register(&option_1port_device); |
271 | if (retval) | |
272 | goto failed_1port_device_register; | |
58cfe911 MU |
273 | retval = usb_register(&option_driver); |
274 | if (retval) | |
275 | goto failed_driver_register; | |
276 | ||
277 | info(DRIVER_DESC ": " DRIVER_VERSION); | |
278 | ||
279 | return 0; | |
280 | ||
281 | failed_driver_register: | |
14f76cc7 MU |
282 | usb_serial_deregister (&option_1port_device); |
283 | failed_1port_device_register: | |
58cfe911 MU |
284 | return retval; |
285 | } | |
286 | ||
7bb75aee | 287 | static void __exit option_exit(void) |
58cfe911 MU |
288 | { |
289 | usb_deregister (&option_driver); | |
14f76cc7 | 290 | usb_serial_deregister (&option_1port_device); |
58cfe911 MU |
291 | } |
292 | ||
293 | module_init(option_init); | |
294 | module_exit(option_exit); | |
295 | ||
7bb75aee | 296 | static void option_rx_throttle(struct usb_serial_port *port) |
58cfe911 MU |
297 | { |
298 | dbg("%s", __FUNCTION__); | |
299 | } | |
300 | ||
7bb75aee | 301 | static void option_rx_unthrottle(struct usb_serial_port *port) |
58cfe911 MU |
302 | { |
303 | dbg("%s", __FUNCTION__); | |
304 | } | |
305 | ||
7bb75aee | 306 | static void option_break_ctl(struct usb_serial_port *port, int break_state) |
58cfe911 MU |
307 | { |
308 | /* Unfortunately, I don't know how to send a break */ | |
ba460e48 | 309 | dbg("%s", __FUNCTION__); |
58cfe911 MU |
310 | } |
311 | ||
7bb75aee | 312 | static void option_set_termios(struct usb_serial_port *port, |
606d099c | 313 | struct ktermios *old_termios) |
58cfe911 MU |
314 | { |
315 | dbg("%s", __FUNCTION__); | |
316 | ||
317 | option_send_setup(port); | |
318 | } | |
319 | ||
7bb75aee | 320 | static int option_tiocmget(struct usb_serial_port *port, struct file *file) |
58cfe911 | 321 | { |
ba460e48 MU |
322 | unsigned int value; |
323 | struct option_port_private *portdata; | |
58cfe911 MU |
324 | |
325 | portdata = usb_get_serial_port_data(port); | |
326 | ||
327 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | | |
328 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | | |
329 | ((portdata->cts_state) ? TIOCM_CTS : 0) | | |
330 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | | |
331 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | | |
332 | ((portdata->ri_state) ? TIOCM_RNG : 0); | |
333 | ||
334 | return value; | |
335 | } | |
336 | ||
7bb75aee AM |
337 | static int option_tiocmset(struct usb_serial_port *port, struct file *file, |
338 | unsigned int set, unsigned int clear) | |
58cfe911 | 339 | { |
ba460e48 | 340 | struct option_port_private *portdata; |
58cfe911 MU |
341 | |
342 | portdata = usb_get_serial_port_data(port); | |
343 | ||
344 | if (set & TIOCM_RTS) | |
345 | portdata->rts_state = 1; | |
346 | if (set & TIOCM_DTR) | |
347 | portdata->dtr_state = 1; | |
348 | ||
349 | if (clear & TIOCM_RTS) | |
350 | portdata->rts_state = 0; | |
351 | if (clear & TIOCM_DTR) | |
352 | portdata->dtr_state = 0; | |
353 | return option_send_setup(port); | |
354 | } | |
355 | ||
7bb75aee AM |
356 | static int option_ioctl(struct usb_serial_port *port, struct file *file, |
357 | unsigned int cmd, unsigned long arg) | |
58cfe911 MU |
358 | { |
359 | return -ENOIOCTLCMD; | |
360 | } | |
361 | ||
362 | /* Write */ | |
7bb75aee AM |
363 | static int option_write(struct usb_serial_port *port, |
364 | const unsigned char *buf, int count) | |
58cfe911 | 365 | { |
ba460e48 MU |
366 | struct option_port_private *portdata; |
367 | int i; | |
368 | int left, todo; | |
369 | struct urb *this_urb = NULL; /* spurious */ | |
370 | int err; | |
58cfe911 MU |
371 | |
372 | portdata = usb_get_serial_port_data(port); | |
373 | ||
374 | dbg("%s: write (%d chars)", __FUNCTION__, count); | |
375 | ||
58cfe911 MU |
376 | i = 0; |
377 | left = count; | |
ba460e48 | 378 | for (i=0; left > 0 && i < N_OUT_URB; i++) { |
58cfe911 MU |
379 | todo = left; |
380 | if (todo > OUT_BUFLEN) | |
381 | todo = OUT_BUFLEN; | |
382 | ||
ba460e48 | 383 | this_urb = portdata->out_urbs[i]; |
59c2afa0 | 384 | if (test_and_set_bit(i, &portdata->out_busy)) { |
7bb75aee AM |
385 | if (time_before(jiffies, |
386 | portdata->tx_start_time[i] + 10 * HZ)) | |
58cfe911 | 387 | continue; |
58cfe911 | 388 | usb_unlink_urb(this_urb); |
ba460e48 | 389 | continue; |
58cfe911 | 390 | } |
ba460e48 | 391 | if (this_urb->status != 0) |
7bb75aee AM |
392 | dbg("usb_write %p failed (err=%d)", |
393 | this_urb, this_urb->status); | |
58cfe911 | 394 | |
7bb75aee AM |
395 | dbg("%s: endpoint %d buf %d", __FUNCTION__, |
396 | usb_pipeendpoint(this_urb->pipe), i); | |
58cfe911 | 397 | |
ba460e48 | 398 | /* send the data */ |
58cfe911 | 399 | memcpy (this_urb->transfer_buffer, buf, todo); |
58cfe911 MU |
400 | this_urb->transfer_buffer_length = todo; |
401 | ||
58cfe911 MU |
402 | this_urb->dev = port->serial->dev; |
403 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
404 | if (err) { | |
7bb75aee AM |
405 | dbg("usb_submit_urb %p (write bulk) failed " |
406 | "(%d, has %d)", this_urb, | |
407 | err, this_urb->status); | |
59c2afa0 | 408 | clear_bit(i, &portdata->out_busy); |
58cfe911 MU |
409 | continue; |
410 | } | |
411 | portdata->tx_start_time[i] = jiffies; | |
412 | buf += todo; | |
413 | left -= todo; | |
414 | } | |
415 | ||
416 | count -= left; | |
58cfe911 MU |
417 | dbg("%s: wrote (did %d)", __FUNCTION__, count); |
418 | return count; | |
419 | } | |
420 | ||
7d12e780 | 421 | static void option_indat_callback(struct urb *urb) |
58cfe911 | 422 | { |
33f0f88f | 423 | int err; |
58cfe911 MU |
424 | int endpoint; |
425 | struct usb_serial_port *port; | |
426 | struct tty_struct *tty; | |
427 | unsigned char *data = urb->transfer_buffer; | |
d6977b51 | 428 | int status = urb->status; |
58cfe911 MU |
429 | |
430 | dbg("%s: %p", __FUNCTION__, urb); | |
431 | ||
432 | endpoint = usb_pipeendpoint(urb->pipe); | |
433 | port = (struct usb_serial_port *) urb->context; | |
434 | ||
d6977b51 | 435 | if (status) { |
58cfe911 | 436 | dbg("%s: nonzero status: %d on endpoint %02x.", |
d6977b51 | 437 | __FUNCTION__, status, endpoint); |
58cfe911 MU |
438 | } else { |
439 | tty = port->tty; | |
440 | if (urb->actual_length) { | |
33f0f88f AC |
441 | tty_buffer_request_room(tty, urb->actual_length); |
442 | tty_insert_flip_string(tty, data, urb->actual_length); | |
58cfe911 MU |
443 | tty_flip_buffer_push(tty); |
444 | } else { | |
445 | dbg("%s: empty read urb received", __FUNCTION__); | |
446 | } | |
447 | ||
448 | /* Resubmit urb so we continue receiving */ | |
d6977b51 | 449 | if (port->open_count && status != -ESHUTDOWN) { |
58cfe911 MU |
450 | err = usb_submit_urb(urb, GFP_ATOMIC); |
451 | if (err) | |
7bb75aee AM |
452 | printk(KERN_ERR "%s: resubmit read urb failed. " |
453 | "(%d)", __FUNCTION__, err); | |
58cfe911 MU |
454 | } |
455 | } | |
456 | return; | |
457 | } | |
458 | ||
7d12e780 | 459 | static void option_outdat_callback(struct urb *urb) |
58cfe911 MU |
460 | { |
461 | struct usb_serial_port *port; | |
59c2afa0 AS |
462 | struct option_port_private *portdata; |
463 | int i; | |
58cfe911 MU |
464 | |
465 | dbg("%s", __FUNCTION__); | |
466 | ||
467 | port = (struct usb_serial_port *) urb->context; | |
468 | ||
cf2c7481 | 469 | usb_serial_port_softint(port); |
59c2afa0 AS |
470 | |
471 | portdata = usb_get_serial_port_data(port); | |
472 | for (i = 0; i < N_OUT_URB; ++i) { | |
473 | if (portdata->out_urbs[i] == urb) { | |
474 | smp_mb__before_clear_bit(); | |
475 | clear_bit(i, &portdata->out_busy); | |
476 | break; | |
477 | } | |
478 | } | |
58cfe911 MU |
479 | } |
480 | ||
7d12e780 | 481 | static void option_instat_callback(struct urb *urb) |
58cfe911 MU |
482 | { |
483 | int err; | |
d6977b51 | 484 | int status = urb->status; |
58cfe911 MU |
485 | struct usb_serial_port *port = (struct usb_serial_port *) urb->context; |
486 | struct option_port_private *portdata = usb_get_serial_port_data(port); | |
487 | struct usb_serial *serial = port->serial; | |
488 | ||
489 | dbg("%s", __FUNCTION__); | |
490 | dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata); | |
491 | ||
d6977b51 | 492 | if (status == 0) { |
58cfe911 MU |
493 | struct usb_ctrlrequest *req_pkt = |
494 | (struct usb_ctrlrequest *)urb->transfer_buffer; | |
495 | ||
496 | if (!req_pkt) { | |
497 | dbg("%s: NULL req_pkt\n", __FUNCTION__); | |
498 | return; | |
499 | } | |
7bb75aee AM |
500 | if ((req_pkt->bRequestType == 0xA1) && |
501 | (req_pkt->bRequest == 0x20)) { | |
58cfe911 MU |
502 | int old_dcd_state; |
503 | unsigned char signals = *((unsigned char *) | |
7bb75aee AM |
504 | urb->transfer_buffer + |
505 | sizeof(struct usb_ctrlrequest)); | |
58cfe911 MU |
506 | |
507 | dbg("%s: signal x%x", __FUNCTION__, signals); | |
508 | ||
509 | old_dcd_state = portdata->dcd_state; | |
510 | portdata->cts_state = 1; | |
511 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); | |
512 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); | |
513 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); | |
514 | ||
7bb75aee AM |
515 | if (port->tty && !C_CLOCAL(port->tty) && |
516 | old_dcd_state && !portdata->dcd_state) | |
58cfe911 | 517 | tty_hangup(port->tty); |
7bb75aee AM |
518 | } else { |
519 | dbg("%s: type %x req %x", __FUNCTION__, | |
520 | req_pkt->bRequestType,req_pkt->bRequest); | |
521 | } | |
58cfe911 | 522 | } else |
d6977b51 | 523 | dbg("%s: error %d", __FUNCTION__, status); |
58cfe911 MU |
524 | |
525 | /* Resubmit urb so we continue receiving IRQ data */ | |
d6977b51 | 526 | if (status != -ESHUTDOWN) { |
58cfe911 MU |
527 | urb->dev = serial->dev; |
528 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
529 | if (err) | |
7bb75aee AM |
530 | dbg("%s: resubmit intr urb failed. (%d)", |
531 | __FUNCTION__, err); | |
58cfe911 MU |
532 | } |
533 | } | |
534 | ||
7bb75aee | 535 | static int option_write_room(struct usb_serial_port *port) |
58cfe911 MU |
536 | { |
537 | struct option_port_private *portdata; | |
538 | int i; | |
539 | int data_len = 0; | |
540 | struct urb *this_urb; | |
541 | ||
542 | portdata = usb_get_serial_port_data(port); | |
543 | ||
ba460e48 | 544 | for (i=0; i < N_OUT_URB; i++) { |
58cfe911 | 545 | this_urb = portdata->out_urbs[i]; |
59c2afa0 | 546 | if (this_urb && !test_bit(i, &portdata->out_busy)) |
58cfe911 | 547 | data_len += OUT_BUFLEN; |
ba460e48 | 548 | } |
58cfe911 MU |
549 | |
550 | dbg("%s: %d", __FUNCTION__, data_len); | |
551 | return data_len; | |
552 | } | |
553 | ||
7bb75aee | 554 | static int option_chars_in_buffer(struct usb_serial_port *port) |
58cfe911 MU |
555 | { |
556 | struct option_port_private *portdata; | |
557 | int i; | |
558 | int data_len = 0; | |
559 | struct urb *this_urb; | |
560 | ||
561 | portdata = usb_get_serial_port_data(port); | |
562 | ||
ba460e48 | 563 | for (i=0; i < N_OUT_URB; i++) { |
58cfe911 | 564 | this_urb = portdata->out_urbs[i]; |
59c2afa0 | 565 | if (this_urb && test_bit(i, &portdata->out_busy)) |
58cfe911 | 566 | data_len += this_urb->transfer_buffer_length; |
ba460e48 | 567 | } |
58cfe911 MU |
568 | dbg("%s: %d", __FUNCTION__, data_len); |
569 | return data_len; | |
570 | } | |
571 | ||
7bb75aee | 572 | static int option_open(struct usb_serial_port *port, struct file *filp) |
58cfe911 | 573 | { |
ba460e48 MU |
574 | struct option_port_private *portdata; |
575 | struct usb_serial *serial = port->serial; | |
576 | int i, err; | |
577 | struct urb *urb; | |
58cfe911 MU |
578 | |
579 | portdata = usb_get_serial_port_data(port); | |
580 | ||
581 | dbg("%s", __FUNCTION__); | |
582 | ||
583 | /* Set some sane defaults */ | |
584 | portdata->rts_state = 1; | |
585 | portdata->dtr_state = 1; | |
586 | ||
587 | /* Reset low level data toggle and start reading from endpoints */ | |
588 | for (i = 0; i < N_IN_URB; i++) { | |
589 | urb = portdata->in_urbs[i]; | |
590 | if (! urb) | |
591 | continue; | |
592 | if (urb->dev != serial->dev) { | |
7bb75aee AM |
593 | dbg("%s: dev %p != %p", __FUNCTION__, |
594 | urb->dev, serial->dev); | |
58cfe911 MU |
595 | continue; |
596 | } | |
597 | ||
7bb75aee AM |
598 | /* |
599 | * make sure endpoint data toggle is synchronized with the | |
600 | * device | |
601 | */ | |
58cfe911 MU |
602 | usb_clear_halt(urb->dev, urb->pipe); |
603 | ||
604 | err = usb_submit_urb(urb, GFP_KERNEL); | |
605 | if (err) { | |
7bb75aee AM |
606 | dbg("%s: submit urb %d failed (%d) %d", |
607 | __FUNCTION__, i, err, | |
58cfe911 MU |
608 | urb->transfer_buffer_length); |
609 | } | |
610 | } | |
611 | ||
612 | /* Reset low level data toggle on out endpoints */ | |
613 | for (i = 0; i < N_OUT_URB; i++) { | |
614 | urb = portdata->out_urbs[i]; | |
615 | if (! urb) | |
616 | continue; | |
617 | urb->dev = serial->dev; | |
7bb75aee AM |
618 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
619 | usb_pipeout(urb->pipe), 0); */ | |
58cfe911 MU |
620 | } |
621 | ||
622 | port->tty->low_latency = 1; | |
623 | ||
624 | option_send_setup(port); | |
625 | ||
626 | return (0); | |
627 | } | |
628 | ||
7bb75aee | 629 | static void option_close(struct usb_serial_port *port, struct file *filp) |
58cfe911 | 630 | { |
ba460e48 MU |
631 | int i; |
632 | struct usb_serial *serial = port->serial; | |
633 | struct option_port_private *portdata; | |
58cfe911 MU |
634 | |
635 | dbg("%s", __FUNCTION__); | |
636 | portdata = usb_get_serial_port_data(port); | |
637 | ||
638 | portdata->rts_state = 0; | |
639 | portdata->dtr_state = 0; | |
640 | ||
641 | if (serial->dev) { | |
642 | option_send_setup(port); | |
643 | ||
644 | /* Stop reading/writing urbs */ | |
645 | for (i = 0; i < N_IN_URB; i++) | |
7d28e74b | 646 | usb_kill_urb(portdata->in_urbs[i]); |
58cfe911 | 647 | for (i = 0; i < N_OUT_URB; i++) |
7d28e74b | 648 | usb_kill_urb(portdata->out_urbs[i]); |
58cfe911 MU |
649 | } |
650 | port->tty = NULL; | |
651 | } | |
652 | ||
58cfe911 | 653 | /* Helper functions used by option_setup_urbs */ |
7bb75aee AM |
654 | static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint, |
655 | int dir, void *ctx, char *buf, int len, | |
7d12e780 | 656 | void (*callback)(struct urb *)) |
58cfe911 MU |
657 | { |
658 | struct urb *urb; | |
659 | ||
660 | if (endpoint == -1) | |
661 | return NULL; /* endpoint not needed */ | |
662 | ||
663 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ | |
664 | if (urb == NULL) { | |
665 | dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint); | |
666 | return NULL; | |
667 | } | |
668 | ||
669 | /* Fill URB using supplied data. */ | |
670 | usb_fill_bulk_urb(urb, serial->dev, | |
671 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
672 | buf, len, callback, ctx); | |
673 | ||
674 | return urb; | |
675 | } | |
676 | ||
677 | /* Setup urbs */ | |
7bb75aee | 678 | static void option_setup_urbs(struct usb_serial *serial) |
58cfe911 | 679 | { |
14f76cc7 | 680 | int i,j; |
ba460e48 MU |
681 | struct usb_serial_port *port; |
682 | struct option_port_private *portdata; | |
58cfe911 MU |
683 | |
684 | dbg("%s", __FUNCTION__); | |
685 | ||
14f76cc7 MU |
686 | for (i = 0; i < serial->num_ports; i++) { |
687 | port = serial->port[i]; | |
688 | portdata = usb_get_serial_port_data(port); | |
58cfe911 MU |
689 | |
690 | /* Do indat endpoints first */ | |
14f76cc7 MU |
691 | for (j = 0; j < N_IN_URB; ++j) { |
692 | portdata->in_urbs[j] = option_setup_urb (serial, | |
693 | port->bulk_in_endpointAddress, USB_DIR_IN, port, | |
694 | portdata->in_buffer[j], IN_BUFLEN, option_indat_callback); | |
695 | } | |
58cfe911 | 696 | |
14f76cc7 MU |
697 | /* outdat endpoints */ |
698 | for (j = 0; j < N_OUT_URB; ++j) { | |
699 | portdata->out_urbs[j] = option_setup_urb (serial, | |
700 | port->bulk_out_endpointAddress, USB_DIR_OUT, port, | |
701 | portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback); | |
702 | } | |
58cfe911 MU |
703 | } |
704 | } | |
705 | ||
7bb75aee | 706 | static int option_send_setup(struct usb_serial_port *port) |
58cfe911 MU |
707 | { |
708 | struct usb_serial *serial = port->serial; | |
709 | struct option_port_private *portdata; | |
710 | ||
711 | dbg("%s", __FUNCTION__); | |
712 | ||
8c152713 MAA |
713 | if (port->number != 0) |
714 | return 0; | |
715 | ||
58cfe911 MU |
716 | portdata = usb_get_serial_port_data(port); |
717 | ||
718 | if (port->tty) { | |
719 | int val = 0; | |
720 | if (portdata->dtr_state) | |
721 | val |= 0x01; | |
722 | if (portdata->rts_state) | |
723 | val |= 0x02; | |
724 | ||
7bb75aee AM |
725 | return usb_control_msg(serial->dev, |
726 | usb_rcvctrlpipe(serial->dev, 0), | |
727 | 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT); | |
58cfe911 MU |
728 | } |
729 | ||
730 | return 0; | |
731 | } | |
732 | ||
7bb75aee | 733 | static int option_startup(struct usb_serial *serial) |
58cfe911 | 734 | { |
ba460e48 MU |
735 | int i, err; |
736 | struct usb_serial_port *port; | |
737 | struct option_port_private *portdata; | |
58cfe911 MU |
738 | |
739 | dbg("%s", __FUNCTION__); | |
740 | ||
741 | /* Now setup per port private data */ | |
742 | for (i = 0; i < serial->num_ports; i++) { | |
743 | port = serial->port[i]; | |
80b6ca48 | 744 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
58cfe911 | 745 | if (!portdata) { |
7bb75aee AM |
746 | dbg("%s: kmalloc for option_port_private (%d) failed!.", |
747 | __FUNCTION__, i); | |
58cfe911 MU |
748 | return (1); |
749 | } | |
58cfe911 MU |
750 | |
751 | usb_set_serial_port_data(port, portdata); | |
752 | ||
753 | if (! port->interrupt_in_urb) | |
754 | continue; | |
755 | err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); | |
756 | if (err) | |
7bb75aee AM |
757 | dbg("%s: submit irq_in urb failed %d", |
758 | __FUNCTION__, err); | |
58cfe911 MU |
759 | } |
760 | ||
761 | option_setup_urbs(serial); | |
762 | ||
763 | return (0); | |
764 | } | |
765 | ||
7bb75aee | 766 | static void option_shutdown(struct usb_serial *serial) |
58cfe911 | 767 | { |
ba460e48 MU |
768 | int i, j; |
769 | struct usb_serial_port *port; | |
770 | struct option_port_private *portdata; | |
58cfe911 MU |
771 | |
772 | dbg("%s", __FUNCTION__); | |
773 | ||
774 | /* Stop reading/writing urbs */ | |
775 | for (i = 0; i < serial->num_ports; ++i) { | |
776 | port = serial->port[i]; | |
777 | portdata = usb_get_serial_port_data(port); | |
778 | for (j = 0; j < N_IN_URB; j++) | |
7d28e74b | 779 | usb_kill_urb(portdata->in_urbs[j]); |
58cfe911 | 780 | for (j = 0; j < N_OUT_URB; j++) |
7d28e74b | 781 | usb_kill_urb(portdata->out_urbs[j]); |
58cfe911 MU |
782 | } |
783 | ||
784 | /* Now free them */ | |
785 | for (i = 0; i < serial->num_ports; ++i) { | |
786 | port = serial->port[i]; | |
787 | portdata = usb_get_serial_port_data(port); | |
788 | ||
789 | for (j = 0; j < N_IN_URB; j++) { | |
790 | if (portdata->in_urbs[j]) { | |
791 | usb_free_urb(portdata->in_urbs[j]); | |
792 | portdata->in_urbs[j] = NULL; | |
793 | } | |
794 | } | |
795 | for (j = 0; j < N_OUT_URB; j++) { | |
796 | if (portdata->out_urbs[j]) { | |
797 | usb_free_urb(portdata->out_urbs[j]); | |
798 | portdata->out_urbs[j] = NULL; | |
799 | } | |
800 | } | |
801 | } | |
802 | ||
803 | /* Now free per port private data */ | |
804 | for (i = 0; i < serial->num_ports; i++) { | |
805 | port = serial->port[i]; | |
806 | kfree(usb_get_serial_port_data(port)); | |
807 | } | |
808 | } | |
809 | ||
810 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
811 | MODULE_DESCRIPTION(DRIVER_DESC); | |
812 | MODULE_VERSION(DRIVER_VERSION); | |
813 | MODULE_LICENSE("GPL"); | |
814 | ||
ba460e48 | 815 | #ifdef CONFIG_USB_DEBUG |
58cfe911 MU |
816 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
817 | MODULE_PARM_DESC(debug, "Debug messages"); | |
ba460e48 | 818 | #endif |
58cfe911 | 819 |