Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * USB HandSpring Visor, Palm m50x, and Sony Clie driver | |
3 | * (supports all of the Palm OS USB devices) | |
4 | * | |
5 | * Copyright (C) 1999 - 2004 | |
6 | * Greg Kroah-Hartman (greg@kroah.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
502b95c1 | 10 | * the Free Software Foundation; either version 2 of the License. |
1da177e4 LT |
11 | * |
12 | * See Documentation/usb/usb-serial.txt for more information on using this driver | |
13 | * | |
1da177e4 LT |
14 | */ |
15 | ||
1da177e4 LT |
16 | #include <linux/kernel.h> |
17 | #include <linux/errno.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/slab.h> | |
20 | #include <linux/tty.h> | |
21 | #include <linux/tty_driver.h> | |
22 | #include <linux/tty_flip.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/moduleparam.h> | |
25 | #include <linux/spinlock.h> | |
26 | #include <asm/uaccess.h> | |
27 | #include <linux/usb.h> | |
a969888c | 28 | #include <linux/usb/serial.h> |
1da177e4 LT |
29 | #include "visor.h" |
30 | ||
31 | /* | |
32 | * Version Information | |
33 | */ | |
1da177e4 LT |
34 | #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>" |
35 | #define DRIVER_DESC "USB HandSpring Visor / Palm OS driver" | |
36 | ||
37 | /* function prototypes for a handspring visor */ | |
38 | static int visor_open (struct usb_serial_port *port, struct file *filp); | |
39 | static void visor_close (struct usb_serial_port *port, struct file *filp); | |
40 | static int visor_write (struct usb_serial_port *port, const unsigned char *buf, int count); | |
41 | static int visor_write_room (struct usb_serial_port *port); | |
42 | static int visor_chars_in_buffer (struct usb_serial_port *port); | |
43 | static void visor_throttle (struct usb_serial_port *port); | |
44 | static void visor_unthrottle (struct usb_serial_port *port); | |
45 | static int visor_probe (struct usb_serial *serial, const struct usb_device_id *id); | |
46 | static int visor_calc_num_ports(struct usb_serial *serial); | |
47 | static void visor_shutdown (struct usb_serial *serial); | |
48 | static int visor_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg); | |
606d099c | 49 | static void visor_set_termios (struct usb_serial_port *port, struct ktermios *old_termios); |
7d12e780 DH |
50 | static void visor_write_bulk_callback (struct urb *urb); |
51 | static void visor_read_bulk_callback (struct urb *urb); | |
52 | static void visor_read_int_callback (struct urb *urb); | |
1da177e4 LT |
53 | static int clie_3_5_startup (struct usb_serial *serial); |
54 | static int treo_attach (struct usb_serial *serial); | |
55 | static int clie_5_attach (struct usb_serial *serial); | |
56 | static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id); | |
57 | static int palm_os_4_probe (struct usb_serial *serial, const struct usb_device_id *id); | |
58 | ||
59 | /* Parameters that may be passed into the module. */ | |
60 | static int debug; | |
61 | static __u16 vendor; | |
62 | static __u16 product; | |
63 | ||
64 | static struct usb_device_id id_table [] = { | |
65 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID), | |
66 | .driver_info = (kernel_ulong_t)&palm_os_3_probe }, | |
67 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID), | |
68 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
69 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID), | |
70 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
04d52461 HS |
71 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID), |
72 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
73 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID), |
74 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
75 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID), | |
76 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
77 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID), | |
78 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
79 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID), | |
80 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
81 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID), | |
82 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
83 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID), | |
84 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
85 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID), | |
86 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
87 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID), | |
88 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
ac21e9ff | 89 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), |
90 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
91 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), |
92 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
93 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID), | |
94 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
95 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID), | |
96 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
97 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID), | |
98 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
99 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID), | |
100 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
101 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID), | |
102 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
103 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID), | |
104 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
105 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID), | |
106 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
107 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID), | |
108 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
109 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), | |
110 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
111 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), | |
112 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
115c1ce5 LB |
113 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), |
114 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
115 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), |
116 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
117 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID), | |
118 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
119 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID), | |
120 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
121 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID), | |
122 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
123 | { }, /* optional parameter entry */ | |
124 | { } /* Terminating entry */ | |
125 | }; | |
126 | ||
127 | static struct usb_device_id clie_id_5_table [] = { | |
128 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID), | |
129 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
130 | { }, /* optional parameter entry */ | |
131 | { } /* Terminating entry */ | |
132 | }; | |
133 | ||
134 | static struct usb_device_id clie_id_3_5_table [] = { | |
135 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, | |
136 | { } /* Terminating entry */ | |
137 | }; | |
138 | ||
139 | static struct usb_device_id id_table_combined [] = { | |
140 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) }, | |
141 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) }, | |
142 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) }, | |
04d52461 | 143 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) }, |
1da177e4 LT |
144 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) }, |
145 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) }, | |
146 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) }, | |
147 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) }, | |
148 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) }, | |
149 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) }, | |
150 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) }, | |
151 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) }, | |
ac21e9ff | 152 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, |
1da177e4 LT |
153 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, |
154 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID) }, | |
155 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) }, | |
156 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, | |
157 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) }, | |
158 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) }, | |
159 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) }, | |
160 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) }, | |
161 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) }, | |
162 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) }, | |
163 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) }, | |
164 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) }, | |
165 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) }, | |
115c1ce5 | 166 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, |
1da177e4 LT |
167 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) }, |
168 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) }, | |
169 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) }, | |
170 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) }, | |
171 | { }, /* optional parameter entry */ | |
172 | { } /* Terminating entry */ | |
173 | }; | |
174 | ||
175 | MODULE_DEVICE_TABLE (usb, id_table_combined); | |
176 | ||
177 | static struct usb_driver visor_driver = { | |
1da177e4 LT |
178 | .name = "visor", |
179 | .probe = usb_serial_probe, | |
180 | .disconnect = usb_serial_disconnect, | |
181 | .id_table = id_table_combined, | |
ba9dc657 | 182 | .no_dynamic_id = 1, |
1da177e4 LT |
183 | }; |
184 | ||
185 | /* All of the device info needed for the Handspring Visor, and Palm 4.0 devices */ | |
ea65370d | 186 | static struct usb_serial_driver handspring_device = { |
18fcac35 GKH |
187 | .driver = { |
188 | .owner = THIS_MODULE, | |
269bda1c | 189 | .name = "visor", |
18fcac35 | 190 | }, |
269bda1c | 191 | .description = "Handspring Visor / Palm OS", |
1da177e4 LT |
192 | .id_table = id_table, |
193 | .num_interrupt_in = NUM_DONT_CARE, | |
194 | .num_bulk_in = 2, | |
195 | .num_bulk_out = 2, | |
196 | .num_ports = 2, | |
197 | .open = visor_open, | |
198 | .close = visor_close, | |
199 | .throttle = visor_throttle, | |
200 | .unthrottle = visor_unthrottle, | |
201 | .attach = treo_attach, | |
202 | .probe = visor_probe, | |
203 | .calc_num_ports = visor_calc_num_ports, | |
204 | .shutdown = visor_shutdown, | |
205 | .ioctl = visor_ioctl, | |
206 | .set_termios = visor_set_termios, | |
207 | .write = visor_write, | |
208 | .write_room = visor_write_room, | |
209 | .chars_in_buffer = visor_chars_in_buffer, | |
210 | .write_bulk_callback = visor_write_bulk_callback, | |
211 | .read_bulk_callback = visor_read_bulk_callback, | |
212 | .read_int_callback = visor_read_int_callback, | |
213 | }; | |
214 | ||
215 | /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */ | |
ea65370d | 216 | static struct usb_serial_driver clie_5_device = { |
18fcac35 GKH |
217 | .driver = { |
218 | .owner = THIS_MODULE, | |
269bda1c | 219 | .name = "clie_5", |
18fcac35 | 220 | }, |
269bda1c | 221 | .description = "Sony Clie 5.0", |
1da177e4 LT |
222 | .id_table = clie_id_5_table, |
223 | .num_interrupt_in = NUM_DONT_CARE, | |
224 | .num_bulk_in = 2, | |
225 | .num_bulk_out = 2, | |
226 | .num_ports = 2, | |
227 | .open = visor_open, | |
228 | .close = visor_close, | |
229 | .throttle = visor_throttle, | |
230 | .unthrottle = visor_unthrottle, | |
231 | .attach = clie_5_attach, | |
232 | .probe = visor_probe, | |
233 | .calc_num_ports = visor_calc_num_ports, | |
234 | .shutdown = visor_shutdown, | |
235 | .ioctl = visor_ioctl, | |
236 | .set_termios = visor_set_termios, | |
237 | .write = visor_write, | |
238 | .write_room = visor_write_room, | |
239 | .chars_in_buffer = visor_chars_in_buffer, | |
240 | .write_bulk_callback = visor_write_bulk_callback, | |
241 | .read_bulk_callback = visor_read_bulk_callback, | |
242 | .read_int_callback = visor_read_int_callback, | |
243 | }; | |
244 | ||
245 | /* device info for the Sony Clie OS version 3.5 */ | |
ea65370d | 246 | static struct usb_serial_driver clie_3_5_device = { |
18fcac35 GKH |
247 | .driver = { |
248 | .owner = THIS_MODULE, | |
269bda1c | 249 | .name = "clie_3.5", |
18fcac35 | 250 | }, |
269bda1c | 251 | .description = "Sony Clie 3.5", |
1da177e4 LT |
252 | .id_table = clie_id_3_5_table, |
253 | .num_interrupt_in = 0, | |
254 | .num_bulk_in = 1, | |
255 | .num_bulk_out = 1, | |
256 | .num_ports = 1, | |
257 | .open = visor_open, | |
258 | .close = visor_close, | |
259 | .throttle = visor_throttle, | |
260 | .unthrottle = visor_unthrottle, | |
261 | .attach = clie_3_5_startup, | |
262 | .ioctl = visor_ioctl, | |
263 | .set_termios = visor_set_termios, | |
264 | .write = visor_write, | |
265 | .write_room = visor_write_room, | |
266 | .chars_in_buffer = visor_chars_in_buffer, | |
267 | .write_bulk_callback = visor_write_bulk_callback, | |
268 | .read_bulk_callback = visor_read_bulk_callback, | |
269 | }; | |
270 | ||
271 | struct visor_private { | |
272 | spinlock_t lock; | |
273 | int bytes_in; | |
274 | int bytes_out; | |
275 | int outstanding_urbs; | |
276 | int throttled; | |
277 | }; | |
278 | ||
279 | /* number of outstanding urbs to prevent userspace DoS from happening */ | |
280 | #define URB_UPPER_LIMIT 42 | |
281 | ||
282 | static int stats; | |
283 | ||
284 | /****************************************************************************** | |
285 | * Handspring Visor specific driver functions | |
286 | ******************************************************************************/ | |
287 | static int visor_open (struct usb_serial_port *port, struct file *filp) | |
288 | { | |
289 | struct usb_serial *serial = port->serial; | |
290 | struct visor_private *priv = usb_get_serial_port_data(port); | |
291 | unsigned long flags; | |
292 | int result = 0; | |
293 | ||
294 | dbg("%s - port %d", __FUNCTION__, port->number); | |
295 | ||
296 | if (!port->read_urb) { | |
297 | /* this is needed for some brain dead Sony devices */ | |
298 | dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n"); | |
299 | return -ENODEV; | |
300 | } | |
301 | ||
302 | spin_lock_irqsave(&priv->lock, flags); | |
303 | priv->bytes_in = 0; | |
304 | priv->bytes_out = 0; | |
1da177e4 LT |
305 | priv->throttled = 0; |
306 | spin_unlock_irqrestore(&priv->lock, flags); | |
307 | ||
308 | /* | |
309 | * Force low_latency on so that our tty_push actually forces the data | |
310 | * through, otherwise it is scheduled, and with high data rates (like | |
311 | * with OHCI) data can get lost. | |
312 | */ | |
313 | if (port->tty) | |
314 | port->tty->low_latency = 1; | |
315 | ||
316 | /* Start reading from the device */ | |
317 | usb_fill_bulk_urb (port->read_urb, serial->dev, | |
318 | usb_rcvbulkpipe (serial->dev, | |
319 | port->bulk_in_endpointAddress), | |
320 | port->read_urb->transfer_buffer, | |
321 | port->read_urb->transfer_buffer_length, | |
322 | visor_read_bulk_callback, port); | |
323 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); | |
324 | if (result) { | |
325 | dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", | |
326 | __FUNCTION__, result); | |
327 | goto exit; | |
328 | } | |
329 | ||
330 | if (port->interrupt_in_urb) { | |
331 | dbg("%s - adding interrupt input for treo", __FUNCTION__); | |
332 | result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); | |
333 | if (result) | |
334 | dev_err(&port->dev, "%s - failed submitting interrupt urb, error %d\n", | |
335 | __FUNCTION__, result); | |
336 | } | |
337 | exit: | |
338 | return result; | |
339 | } | |
340 | ||
341 | ||
342 | static void visor_close (struct usb_serial_port *port, struct file * filp) | |
343 | { | |
344 | struct visor_private *priv = usb_get_serial_port_data(port); | |
345 | unsigned char *transfer_buffer; | |
346 | ||
347 | dbg("%s - port %d", __FUNCTION__, port->number); | |
348 | ||
349 | /* shutdown our urbs */ | |
350 | usb_kill_urb(port->read_urb); | |
bcb54a54 | 351 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
352 | |
353 | /* Try to send shutdown message, if the device is gone, this will just fail. */ | |
354 | transfer_buffer = kmalloc (0x12, GFP_KERNEL); | |
355 | if (transfer_buffer) { | |
356 | usb_control_msg (port->serial->dev, | |
357 | usb_rcvctrlpipe(port->serial->dev, 0), | |
358 | VISOR_CLOSE_NOTIFICATION, 0xc2, | |
359 | 0x0000, 0x0000, | |
360 | transfer_buffer, 0x12, 300); | |
361 | kfree (transfer_buffer); | |
362 | } | |
363 | ||
364 | if (stats) | |
365 | dev_info(&port->dev, "Bytes In = %d Bytes Out = %d\n", | |
366 | priv->bytes_in, priv->bytes_out); | |
367 | } | |
368 | ||
369 | ||
370 | static int visor_write (struct usb_serial_port *port, const unsigned char *buf, int count) | |
371 | { | |
372 | struct visor_private *priv = usb_get_serial_port_data(port); | |
373 | struct usb_serial *serial = port->serial; | |
374 | struct urb *urb; | |
375 | unsigned char *buffer; | |
376 | unsigned long flags; | |
377 | int status; | |
378 | ||
379 | dbg("%s - port %d", __FUNCTION__, port->number); | |
380 | ||
381 | spin_lock_irqsave(&priv->lock, flags); | |
382 | if (priv->outstanding_urbs > URB_UPPER_LIMIT) { | |
383 | spin_unlock_irqrestore(&priv->lock, flags); | |
384 | dbg("%s - write limit hit\n", __FUNCTION__); | |
385 | return 0; | |
386 | } | |
387 | spin_unlock_irqrestore(&priv->lock, flags); | |
388 | ||
389 | buffer = kmalloc (count, GFP_ATOMIC); | |
390 | if (!buffer) { | |
391 | dev_err(&port->dev, "out of memory\n"); | |
392 | return -ENOMEM; | |
393 | } | |
394 | ||
395 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
396 | if (!urb) { | |
397 | dev_err(&port->dev, "no more free urbs\n"); | |
398 | kfree (buffer); | |
399 | return -ENOMEM; | |
400 | } | |
401 | ||
402 | memcpy (buffer, buf, count); | |
403 | ||
404 | usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, buffer); | |
405 | ||
406 | usb_fill_bulk_urb (urb, serial->dev, | |
407 | usb_sndbulkpipe (serial->dev, | |
408 | port->bulk_out_endpointAddress), | |
409 | buffer, count, | |
410 | visor_write_bulk_callback, port); | |
411 | ||
412 | /* send it down the pipe */ | |
413 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
414 | if (status) { | |
415 | dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed with status = %d\n", | |
416 | __FUNCTION__, status); | |
417 | count = status; | |
418 | kfree (buffer); | |
419 | } else { | |
420 | spin_lock_irqsave(&priv->lock, flags); | |
421 | ++priv->outstanding_urbs; | |
422 | priv->bytes_out += count; | |
423 | spin_unlock_irqrestore(&priv->lock, flags); | |
424 | } | |
425 | ||
426 | /* we are done with this urb, so let the host driver | |
427 | * really free it when it is finished with it */ | |
428 | usb_free_urb (urb); | |
429 | ||
430 | return count; | |
431 | } | |
432 | ||
433 | ||
434 | static int visor_write_room (struct usb_serial_port *port) | |
435 | { | |
bd97c4f0 PZ |
436 | struct visor_private *priv = usb_get_serial_port_data(port); |
437 | unsigned long flags; | |
438 | ||
1da177e4 LT |
439 | dbg("%s - port %d", __FUNCTION__, port->number); |
440 | ||
441 | /* | |
442 | * We really can take anything the user throws at us | |
443 | * but let's pick a nice big number to tell the tty | |
bd97c4f0 | 444 | * layer that we have lots of free space, unless we don't. |
1da177e4 | 445 | */ |
bd97c4f0 PZ |
446 | |
447 | spin_lock_irqsave(&priv->lock, flags); | |
448 | if (priv->outstanding_urbs > URB_UPPER_LIMIT * 2 / 3) { | |
449 | spin_unlock_irqrestore(&priv->lock, flags); | |
450 | dbg("%s - write limit hit\n", __FUNCTION__); | |
451 | return 0; | |
452 | } | |
453 | spin_unlock_irqrestore(&priv->lock, flags); | |
454 | ||
1da177e4 LT |
455 | return 2048; |
456 | } | |
457 | ||
458 | ||
459 | static int visor_chars_in_buffer (struct usb_serial_port *port) | |
460 | { | |
461 | dbg("%s - port %d", __FUNCTION__, port->number); | |
462 | ||
463 | /* | |
464 | * We can't really account for how much data we | |
465 | * have sent out, but hasn't made it through to the | |
466 | * device, so just tell the tty layer that everything | |
467 | * is flushed. | |
468 | */ | |
469 | return 0; | |
470 | } | |
471 | ||
472 | ||
7d12e780 | 473 | static void visor_write_bulk_callback (struct urb *urb) |
1da177e4 LT |
474 | { |
475 | struct usb_serial_port *port = (struct usb_serial_port *)urb->context; | |
476 | struct visor_private *priv = usb_get_serial_port_data(port); | |
477 | unsigned long flags; | |
478 | ||
479 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
480 | kfree (urb->transfer_buffer); | |
481 | ||
482 | dbg("%s - port %d", __FUNCTION__, port->number); | |
483 | ||
484 | if (urb->status) | |
485 | dbg("%s - nonzero write bulk status received: %d", | |
486 | __FUNCTION__, urb->status); | |
487 | ||
488 | spin_lock_irqsave(&priv->lock, flags); | |
489 | --priv->outstanding_urbs; | |
490 | spin_unlock_irqrestore(&priv->lock, flags); | |
491 | ||
cf2c7481 | 492 | usb_serial_port_softint(port); |
1da177e4 LT |
493 | } |
494 | ||
495 | ||
7d12e780 | 496 | static void visor_read_bulk_callback (struct urb *urb) |
1da177e4 LT |
497 | { |
498 | struct usb_serial_port *port = (struct usb_serial_port *)urb->context; | |
499 | struct visor_private *priv = usb_get_serial_port_data(port); | |
500 | unsigned char *data = urb->transfer_buffer; | |
501 | struct tty_struct *tty; | |
502 | unsigned long flags; | |
1da177e4 LT |
503 | int throttled; |
504 | int result; | |
505 | ||
506 | dbg("%s - port %d", __FUNCTION__, port->number); | |
507 | ||
508 | if (urb->status) { | |
509 | dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status); | |
510 | return; | |
511 | } | |
512 | ||
513 | usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data); | |
514 | ||
515 | tty = port->tty; | |
516 | if (tty && urb->actual_length) { | |
33f0f88f AC |
517 | tty_buffer_request_room(tty, urb->actual_length); |
518 | tty_insert_flip_string(tty, data, urb->actual_length); | |
1da177e4 LT |
519 | tty_flip_buffer_push(tty); |
520 | } | |
521 | spin_lock_irqsave(&priv->lock, flags); | |
522 | priv->bytes_in += urb->actual_length; | |
523 | throttled = priv->throttled; | |
524 | spin_unlock_irqrestore(&priv->lock, flags); | |
525 | ||
526 | /* Continue trying to always read if we should */ | |
527 | if (!throttled) { | |
528 | usb_fill_bulk_urb (port->read_urb, port->serial->dev, | |
529 | usb_rcvbulkpipe(port->serial->dev, | |
530 | port->bulk_in_endpointAddress), | |
531 | port->read_urb->transfer_buffer, | |
532 | port->read_urb->transfer_buffer_length, | |
533 | visor_read_bulk_callback, port); | |
534 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
535 | if (result) | |
536 | dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result); | |
537 | } | |
538 | return; | |
539 | } | |
540 | ||
7d12e780 | 541 | static void visor_read_int_callback (struct urb *urb) |
1da177e4 LT |
542 | { |
543 | struct usb_serial_port *port = (struct usb_serial_port *)urb->context; | |
544 | int result; | |
545 | ||
546 | switch (urb->status) { | |
547 | case 0: | |
548 | /* success */ | |
549 | break; | |
550 | case -ECONNRESET: | |
551 | case -ENOENT: | |
552 | case -ESHUTDOWN: | |
553 | /* this urb is terminated, clean up */ | |
554 | dbg("%s - urb shutting down with status: %d", | |
555 | __FUNCTION__, urb->status); | |
556 | return; | |
557 | default: | |
558 | dbg("%s - nonzero urb status received: %d", | |
559 | __FUNCTION__, urb->status); | |
560 | goto exit; | |
561 | } | |
562 | ||
563 | /* | |
564 | * This information is still unknown what it can be used for. | |
565 | * If anyone has an idea, please let the author know... | |
566 | * | |
567 | * Rumor has it this endpoint is used to notify when data | |
568 | * is ready to be read from the bulk ones. | |
569 | */ | |
570 | usb_serial_debug_data(debug, &port->dev, __FUNCTION__, | |
571 | urb->actual_length, urb->transfer_buffer); | |
572 | ||
573 | exit: | |
574 | result = usb_submit_urb (urb, GFP_ATOMIC); | |
575 | if (result) | |
576 | dev_err(&urb->dev->dev, "%s - Error %d submitting interrupt urb\n", | |
577 | __FUNCTION__, result); | |
578 | } | |
579 | ||
580 | static void visor_throttle (struct usb_serial_port *port) | |
581 | { | |
582 | struct visor_private *priv = usb_get_serial_port_data(port); | |
583 | unsigned long flags; | |
584 | ||
585 | dbg("%s - port %d", __FUNCTION__, port->number); | |
586 | spin_lock_irqsave(&priv->lock, flags); | |
587 | priv->throttled = 1; | |
588 | spin_unlock_irqrestore(&priv->lock, flags); | |
589 | } | |
590 | ||
591 | ||
592 | static void visor_unthrottle (struct usb_serial_port *port) | |
593 | { | |
594 | struct visor_private *priv = usb_get_serial_port_data(port); | |
595 | unsigned long flags; | |
596 | int result; | |
597 | ||
598 | dbg("%s - port %d", __FUNCTION__, port->number); | |
599 | spin_lock_irqsave(&priv->lock, flags); | |
600 | priv->throttled = 0; | |
601 | spin_unlock_irqrestore(&priv->lock, flags); | |
602 | ||
603 | port->read_urb->dev = port->serial->dev; | |
604 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
605 | if (result) | |
606 | dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __FUNCTION__, result); | |
607 | } | |
608 | ||
609 | static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id) | |
610 | { | |
611 | struct device *dev = &serial->dev->dev; | |
612 | struct visor_connection_info *connection_info; | |
613 | unsigned char *transfer_buffer; | |
614 | char *string; | |
615 | int retval = 0; | |
616 | int i; | |
617 | int num_ports = 0; | |
618 | ||
619 | dbg("%s", __FUNCTION__); | |
620 | ||
621 | transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL); | |
622 | if (!transfer_buffer) { | |
623 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __FUNCTION__, | |
624 | sizeof(*connection_info)); | |
625 | return -ENOMEM; | |
626 | } | |
627 | ||
628 | /* send a get connection info request */ | |
629 | retval = usb_control_msg (serial->dev, | |
630 | usb_rcvctrlpipe(serial->dev, 0), | |
631 | VISOR_GET_CONNECTION_INFORMATION, | |
632 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
633 | sizeof(*connection_info), 300); | |
634 | if (retval < 0) { | |
635 | dev_err(dev, "%s - error %d getting connection information\n", | |
636 | __FUNCTION__, retval); | |
637 | goto exit; | |
638 | } | |
639 | ||
640 | if (retval == sizeof(*connection_info)) { | |
641 | connection_info = (struct visor_connection_info *)transfer_buffer; | |
642 | ||
643 | num_ports = le16_to_cpu(connection_info->num_ports); | |
644 | for (i = 0; i < num_ports; ++i) { | |
645 | switch (connection_info->connections[i].port_function_id) { | |
646 | case VISOR_FUNCTION_GENERIC: | |
647 | string = "Generic"; | |
648 | break; | |
649 | case VISOR_FUNCTION_DEBUGGER: | |
650 | string = "Debugger"; | |
651 | break; | |
652 | case VISOR_FUNCTION_HOTSYNC: | |
653 | string = "HotSync"; | |
654 | break; | |
655 | case VISOR_FUNCTION_CONSOLE: | |
656 | string = "Console"; | |
657 | break; | |
658 | case VISOR_FUNCTION_REMOTE_FILE_SYS: | |
659 | string = "Remote File System"; | |
660 | break; | |
661 | default: | |
662 | string = "unknown"; | |
663 | break; | |
664 | } | |
665 | dev_info(dev, "%s: port %d, is for %s use\n", | |
269bda1c | 666 | serial->type->description, |
1da177e4 LT |
667 | connection_info->connections[i].port, string); |
668 | } | |
669 | } | |
670 | /* | |
671 | * Handle devices that report invalid stuff here. | |
672 | */ | |
673 | if (num_ports == 0 || num_ports > 2) { | |
674 | dev_warn (dev, "%s: No valid connect info available\n", | |
269bda1c | 675 | serial->type->description); |
1da177e4 LT |
676 | num_ports = 2; |
677 | } | |
678 | ||
269bda1c | 679 | dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, |
1da177e4 LT |
680 | num_ports); |
681 | ||
682 | /* | |
683 | * save off our num_ports info so that we can use it in the | |
684 | * calc_num_ports callback | |
685 | */ | |
686 | usb_set_serial_data(serial, (void *)(long)num_ports); | |
687 | ||
688 | /* ask for the number of bytes available, but ignore the response as it is broken */ | |
689 | retval = usb_control_msg (serial->dev, | |
690 | usb_rcvctrlpipe(serial->dev, 0), | |
691 | VISOR_REQUEST_BYTES_AVAILABLE, | |
692 | 0xc2, 0x0000, 0x0005, transfer_buffer, | |
693 | 0x02, 300); | |
694 | if (retval < 0) | |
695 | dev_err(dev, "%s - error %d getting bytes available request\n", | |
696 | __FUNCTION__, retval); | |
697 | retval = 0; | |
698 | ||
699 | exit: | |
700 | kfree (transfer_buffer); | |
701 | ||
702 | return retval; | |
703 | } | |
704 | ||
705 | static int palm_os_4_probe (struct usb_serial *serial, const struct usb_device_id *id) | |
706 | { | |
707 | struct device *dev = &serial->dev->dev; | |
708 | struct palm_ext_connection_info *connection_info; | |
709 | unsigned char *transfer_buffer; | |
710 | int retval; | |
711 | ||
712 | dbg("%s", __FUNCTION__); | |
713 | ||
714 | transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL); | |
715 | if (!transfer_buffer) { | |
716 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __FUNCTION__, | |
717 | sizeof(*connection_info)); | |
718 | return -ENOMEM; | |
719 | } | |
720 | ||
721 | retval = usb_control_msg (serial->dev, | |
722 | usb_rcvctrlpipe(serial->dev, 0), | |
723 | PALM_GET_EXT_CONNECTION_INFORMATION, | |
724 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
725 | sizeof (*connection_info), 300); | |
726 | if (retval < 0) | |
727 | dev_err(dev, "%s - error %d getting connection info\n", | |
728 | __FUNCTION__, retval); | |
729 | else | |
730 | usb_serial_debug_data(debug, &serial->dev->dev, __FUNCTION__, | |
731 | retval, transfer_buffer); | |
732 | ||
733 | kfree (transfer_buffer); | |
734 | return 0; | |
735 | } | |
736 | ||
737 | ||
738 | static int visor_probe (struct usb_serial *serial, const struct usb_device_id *id) | |
739 | { | |
740 | int retval = 0; | |
741 | int (*startup) (struct usb_serial *serial, const struct usb_device_id *id); | |
742 | ||
743 | dbg("%s", __FUNCTION__); | |
744 | ||
745 | if (serial->dev->actconfig->desc.bConfigurationValue != 1) { | |
746 | err("active config #%d != 1 ??", | |
747 | serial->dev->actconfig->desc.bConfigurationValue); | |
748 | return -ENODEV; | |
749 | } | |
750 | ||
751 | if (id->driver_info) { | |
752 | startup = (void *)id->driver_info; | |
753 | retval = startup(serial, id); | |
754 | } | |
755 | ||
756 | return retval; | |
757 | } | |
758 | ||
759 | static int visor_calc_num_ports (struct usb_serial *serial) | |
760 | { | |
761 | int num_ports = (int)(long)(usb_get_serial_data(serial)); | |
762 | ||
763 | if (num_ports) | |
764 | usb_set_serial_data(serial, NULL); | |
765 | ||
766 | return num_ports; | |
767 | } | |
768 | ||
769 | static int generic_startup(struct usb_serial *serial) | |
770 | { | |
bd97c4f0 | 771 | struct usb_serial_port **ports = serial->port; |
1da177e4 LT |
772 | struct visor_private *priv; |
773 | int i; | |
774 | ||
775 | for (i = 0; i < serial->num_ports; ++i) { | |
80b6ca48 | 776 | priv = kzalloc (sizeof(*priv), GFP_KERNEL); |
bd97c4f0 PZ |
777 | if (!priv) { |
778 | while (i-- != 0) { | |
779 | priv = usb_get_serial_port_data(ports[i]); | |
780 | usb_set_serial_port_data(ports[i], NULL); | |
781 | kfree(priv); | |
782 | } | |
1da177e4 | 783 | return -ENOMEM; |
bd97c4f0 | 784 | } |
1da177e4 | 785 | spin_lock_init(&priv->lock); |
bd97c4f0 | 786 | usb_set_serial_port_data(ports[i], priv); |
1da177e4 LT |
787 | } |
788 | return 0; | |
789 | } | |
790 | ||
791 | static int clie_3_5_startup (struct usb_serial *serial) | |
792 | { | |
793 | struct device *dev = &serial->dev->dev; | |
794 | int result; | |
795 | u8 data; | |
796 | ||
797 | dbg("%s", __FUNCTION__); | |
798 | ||
799 | /* | |
800 | * Note that PEG-300 series devices expect the following two calls. | |
801 | */ | |
802 | ||
803 | /* get the config number */ | |
804 | result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), | |
805 | USB_REQ_GET_CONFIGURATION, USB_DIR_IN, | |
806 | 0, 0, &data, 1, 3000); | |
807 | if (result < 0) { | |
808 | dev_err(dev, "%s: get config number failed: %d\n", __FUNCTION__, result); | |
809 | return result; | |
810 | } | |
811 | if (result != 1) { | |
812 | dev_err(dev, "%s: get config number bad return length: %d\n", __FUNCTION__, result); | |
813 | return -EIO; | |
814 | } | |
815 | ||
816 | /* get the interface number */ | |
817 | result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), | |
818 | USB_REQ_GET_INTERFACE, | |
819 | USB_DIR_IN | USB_RECIP_INTERFACE, | |
820 | 0, 0, &data, 1, 3000); | |
821 | if (result < 0) { | |
822 | dev_err(dev, "%s: get interface number failed: %d\n", __FUNCTION__, result); | |
823 | return result; | |
824 | } | |
825 | if (result != 1) { | |
826 | dev_err(dev, "%s: get interface number bad return length: %d\n", __FUNCTION__, result); | |
827 | return -EIO; | |
828 | } | |
829 | ||
830 | return generic_startup(serial); | |
831 | } | |
832 | ||
833 | static int treo_attach (struct usb_serial *serial) | |
834 | { | |
835 | struct usb_serial_port *swap_port; | |
836 | ||
837 | /* Only do this endpoint hack for the Handspring devices with | |
838 | * interrupt in endpoints, which for now are the Treo devices. */ | |
839 | if (!((le16_to_cpu(serial->dev->descriptor.idVendor) == HANDSPRING_VENDOR_ID) || | |
840 | (le16_to_cpu(serial->dev->descriptor.idVendor) == KYOCERA_VENDOR_ID)) || | |
841 | (serial->num_interrupt_in == 0)) | |
842 | goto generic_startup; | |
843 | ||
844 | dbg("%s", __FUNCTION__); | |
845 | ||
846 | /* | |
847 | * It appears that Treos and Kyoceras want to use the | |
848 | * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, | |
849 | * so let's swap the 1st and 2nd bulk in and interrupt endpoints. | |
850 | * Note that swapping the bulk out endpoints would break lots of | |
851 | * apps that want to communicate on the second port. | |
852 | */ | |
853 | #define COPY_PORT(dest, src) \ | |
854 | dest->read_urb = src->read_urb; \ | |
855 | dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress; \ | |
856 | dest->bulk_in_buffer = src->bulk_in_buffer; \ | |
857 | dest->interrupt_in_urb = src->interrupt_in_urb; \ | |
858 | dest->interrupt_in_endpointAddress = src->interrupt_in_endpointAddress; \ | |
859 | dest->interrupt_in_buffer = src->interrupt_in_buffer; | |
860 | ||
861 | swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL); | |
862 | if (!swap_port) | |
863 | return -ENOMEM; | |
864 | COPY_PORT(swap_port, serial->port[0]); | |
865 | COPY_PORT(serial->port[0], serial->port[1]); | |
866 | COPY_PORT(serial->port[1], swap_port); | |
867 | kfree(swap_port); | |
868 | ||
869 | generic_startup: | |
870 | return generic_startup(serial); | |
871 | } | |
872 | ||
873 | static int clie_5_attach (struct usb_serial *serial) | |
874 | { | |
875 | dbg("%s", __FUNCTION__); | |
876 | ||
877 | /* TH55 registers 2 ports. | |
878 | Communication in from the UX50/TH55 uses bulk_in_endpointAddress from port 0 | |
879 | Communication out to the UX50/TH55 uses bulk_out_endpointAddress from port 1 | |
880 | ||
881 | Lets do a quick and dirty mapping | |
882 | */ | |
883 | ||
884 | /* some sanity check */ | |
885 | if (serial->num_ports < 2) | |
886 | return -1; | |
887 | ||
888 | /* port 0 now uses the modified endpoint Address */ | |
889 | serial->port[0]->bulk_out_endpointAddress = serial->port[1]->bulk_out_endpointAddress; | |
890 | ||
891 | return generic_startup(serial); | |
892 | } | |
893 | ||
894 | static void visor_shutdown (struct usb_serial *serial) | |
895 | { | |
bd97c4f0 PZ |
896 | struct visor_private *priv; |
897 | int i; | |
898 | ||
1da177e4 | 899 | dbg("%s", __FUNCTION__); |
bd97c4f0 PZ |
900 | |
901 | for (i = 0; i < serial->num_ports; i++) { | |
902 | priv = usb_get_serial_port_data(serial->port[i]); | |
903 | if (priv) { | |
904 | usb_set_serial_port_data(serial->port[i], NULL); | |
905 | kfree(priv); | |
906 | } | |
907 | } | |
1da177e4 LT |
908 | } |
909 | ||
910 | static int visor_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg) | |
911 | { | |
912 | dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd); | |
913 | ||
914 | return -ENOIOCTLCMD; | |
915 | } | |
916 | ||
917 | ||
918 | /* This function is all nice and good, but we don't change anything based on it :) */ | |
606d099c | 919 | static void visor_set_termios (struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
920 | { |
921 | unsigned int cflag; | |
922 | ||
923 | dbg("%s - port %d", __FUNCTION__, port->number); | |
924 | ||
925 | if ((!port->tty) || (!port->tty->termios)) { | |
926 | dbg("%s - no tty structures", __FUNCTION__); | |
927 | return; | |
928 | } | |
929 | ||
930 | cflag = port->tty->termios->c_cflag; | |
931 | /* check that they really want us to change something */ | |
932 | if (old_termios) { | |
933 | if ((cflag == old_termios->c_cflag) && | |
934 | (RELEVANT_IFLAG(port->tty->termios->c_iflag) == RELEVANT_IFLAG(old_termios->c_iflag))) { | |
935 | dbg("%s - nothing to change...", __FUNCTION__); | |
936 | return; | |
937 | } | |
938 | } | |
939 | ||
940 | /* get the byte size */ | |
941 | switch (cflag & CSIZE) { | |
942 | case CS5: dbg("%s - data bits = 5", __FUNCTION__); break; | |
943 | case CS6: dbg("%s - data bits = 6", __FUNCTION__); break; | |
944 | case CS7: dbg("%s - data bits = 7", __FUNCTION__); break; | |
945 | default: | |
946 | case CS8: dbg("%s - data bits = 8", __FUNCTION__); break; | |
947 | } | |
948 | ||
949 | /* determine the parity */ | |
950 | if (cflag & PARENB) | |
951 | if (cflag & PARODD) | |
952 | dbg("%s - parity = odd", __FUNCTION__); | |
953 | else | |
954 | dbg("%s - parity = even", __FUNCTION__); | |
955 | else | |
956 | dbg("%s - parity = none", __FUNCTION__); | |
957 | ||
958 | /* figure out the stop bits requested */ | |
959 | if (cflag & CSTOPB) | |
960 | dbg("%s - stop bits = 2", __FUNCTION__); | |
961 | else | |
962 | dbg("%s - stop bits = 1", __FUNCTION__); | |
963 | ||
964 | ||
965 | /* figure out the flow control settings */ | |
966 | if (cflag & CRTSCTS) | |
967 | dbg("%s - RTS/CTS is enabled", __FUNCTION__); | |
968 | else | |
969 | dbg("%s - RTS/CTS is disabled", __FUNCTION__); | |
970 | ||
971 | /* determine software flow control */ | |
972 | if (I_IXOFF(port->tty)) | |
973 | dbg("%s - XON/XOFF is enabled, XON = %2x, XOFF = %2x", | |
974 | __FUNCTION__, START_CHAR(port->tty), STOP_CHAR(port->tty)); | |
975 | else | |
976 | dbg("%s - XON/XOFF is disabled", __FUNCTION__); | |
977 | ||
978 | /* get the baud rate wanted */ | |
979 | dbg("%s - baud rate = %d", __FUNCTION__, tty_get_baud_rate(port->tty)); | |
980 | ||
981 | return; | |
982 | } | |
983 | ||
984 | ||
985 | static int __init visor_init (void) | |
986 | { | |
987 | int i, retval; | |
988 | /* Only if parameters were passed to us */ | |
989 | if ((vendor>0) && (product>0)) { | |
990 | struct usb_device_id usb_dev_temp[]= | |
991 | {{USB_DEVICE(vendor, product), | |
992 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }}; | |
993 | ||
994 | /* Find the last entry in id_table */ | |
995 | for (i=0; ; i++) { | |
996 | if (id_table[i].idVendor==0) { | |
997 | id_table[i] = usb_dev_temp[0]; | |
998 | break; | |
999 | } | |
1000 | } | |
1001 | /* Find the last entry in id_table_combined */ | |
1002 | for (i=0; ; i++) { | |
1003 | if (id_table_combined[i].idVendor==0) { | |
1004 | id_table_combined[i] = usb_dev_temp[0]; | |
1005 | break; | |
1006 | } | |
1007 | } | |
1008 | info("Untested USB device specified at time of module insertion"); | |
1009 | info("Warning: This is not guaranteed to work"); | |
1010 | info("Using a newer kernel is preferred to this method"); | |
1011 | info("Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x", | |
1012 | vendor, product); | |
1013 | } | |
1014 | retval = usb_serial_register(&handspring_device); | |
1015 | if (retval) | |
1016 | goto failed_handspring_register; | |
1017 | retval = usb_serial_register(&clie_3_5_device); | |
1018 | if (retval) | |
1019 | goto failed_clie_3_5_register; | |
1020 | retval = usb_serial_register(&clie_5_device); | |
1021 | if (retval) | |
1022 | goto failed_clie_5_register; | |
1023 | retval = usb_register(&visor_driver); | |
1024 | if (retval) | |
1025 | goto failed_usb_register; | |
17a882fc | 1026 | info(DRIVER_DESC); |
1da177e4 LT |
1027 | |
1028 | return 0; | |
1029 | failed_usb_register: | |
1030 | usb_serial_deregister(&clie_5_device); | |
1031 | failed_clie_5_register: | |
1032 | usb_serial_deregister(&clie_3_5_device); | |
1033 | failed_clie_3_5_register: | |
1034 | usb_serial_deregister(&handspring_device); | |
1035 | failed_handspring_register: | |
1036 | return retval; | |
1037 | } | |
1038 | ||
1039 | ||
1040 | static void __exit visor_exit (void) | |
1041 | { | |
1042 | usb_deregister (&visor_driver); | |
1043 | usb_serial_deregister (&handspring_device); | |
1044 | usb_serial_deregister (&clie_3_5_device); | |
1045 | usb_serial_deregister (&clie_5_device); | |
1046 | } | |
1047 | ||
1048 | ||
1049 | module_init(visor_init); | |
1050 | module_exit(visor_exit); | |
1051 | ||
1052 | MODULE_AUTHOR( DRIVER_AUTHOR ); | |
1053 | MODULE_DESCRIPTION( DRIVER_DESC ); | |
1054 | MODULE_LICENSE("GPL"); | |
1055 | ||
1056 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1057 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1058 | module_param(stats, bool, S_IRUGO | S_IWUSR); | |
1059 | MODULE_PARM_DESC(stats, "Enables statistics or not"); | |
1060 | ||
1061 | module_param(vendor, ushort, 0); | |
1062 | MODULE_PARM_DESC(vendor, "User specified vendor ID"); | |
1063 | module_param(product, ushort, 0); | |
1064 | MODULE_PARM_DESC(product, "User specified product ID"); | |
1065 |