Commit | Line | Data |
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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 | ||
16 | #include <linux/config.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/slab.h> | |
21 | #include <linux/tty.h> | |
22 | #include <linux/tty_driver.h> | |
23 | #include <linux/tty_flip.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/moduleparam.h> | |
26 | #include <linux/spinlock.h> | |
27 | #include <asm/uaccess.h> | |
28 | #include <linux/usb.h> | |
29 | #include "usb-serial.h" | |
30 | #include "visor.h" | |
31 | ||
32 | /* | |
33 | * Version Information | |
34 | */ | |
1da177e4 LT |
35 | #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>" |
36 | #define DRIVER_DESC "USB HandSpring Visor / Palm OS driver" | |
37 | ||
38 | /* function prototypes for a handspring visor */ | |
39 | static int visor_open (struct usb_serial_port *port, struct file *filp); | |
40 | static void visor_close (struct usb_serial_port *port, struct file *filp); | |
41 | static int visor_write (struct usb_serial_port *port, const unsigned char *buf, int count); | |
42 | static int visor_write_room (struct usb_serial_port *port); | |
43 | static int visor_chars_in_buffer (struct usb_serial_port *port); | |
44 | static void visor_throttle (struct usb_serial_port *port); | |
45 | static void visor_unthrottle (struct usb_serial_port *port); | |
46 | static int visor_probe (struct usb_serial *serial, const struct usb_device_id *id); | |
47 | static int visor_calc_num_ports(struct usb_serial *serial); | |
48 | static void visor_shutdown (struct usb_serial *serial); | |
49 | static int visor_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg); | |
50 | static void visor_set_termios (struct usb_serial_port *port, struct termios *old_termios); | |
51 | static void visor_write_bulk_callback (struct urb *urb, struct pt_regs *regs); | |
52 | static void visor_read_bulk_callback (struct urb *urb, struct pt_regs *regs); | |
53 | static void visor_read_int_callback (struct urb *urb, struct pt_regs *regs); | |
54 | static int clie_3_5_startup (struct usb_serial *serial); | |
55 | static int treo_attach (struct usb_serial *serial); | |
56 | static int clie_5_attach (struct usb_serial *serial); | |
57 | static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id); | |
58 | static int palm_os_4_probe (struct usb_serial *serial, const struct usb_device_id *id); | |
59 | ||
60 | /* Parameters that may be passed into the module. */ | |
61 | static int debug; | |
62 | static __u16 vendor; | |
63 | static __u16 product; | |
64 | ||
65 | static struct usb_device_id id_table [] = { | |
66 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID), | |
67 | .driver_info = (kernel_ulong_t)&palm_os_3_probe }, | |
68 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID), | |
69 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
70 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID), | |
71 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
72 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID), | |
73 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
74 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID), | |
75 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
76 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID), | |
77 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
78 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID), | |
79 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
80 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID), | |
81 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
82 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID), | |
83 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
84 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID), | |
85 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
86 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID), | |
87 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
ac21e9ff | 88 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), |
89 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
90 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), |
91 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
92 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID), | |
93 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
94 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID), | |
95 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
96 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID), | |
97 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
98 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID), | |
99 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
100 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID), | |
101 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
102 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID), | |
103 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
104 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID), | |
105 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
106 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID), | |
107 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
108 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), | |
109 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
110 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), | |
111 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
115c1ce5 LB |
112 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), |
113 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
114 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), |
115 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
116 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID), | |
117 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
118 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID), | |
119 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
120 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID), | |
121 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
122 | { }, /* optional parameter entry */ | |
123 | { } /* Terminating entry */ | |
124 | }; | |
125 | ||
126 | static struct usb_device_id clie_id_5_table [] = { | |
127 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID), | |
128 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
129 | { }, /* optional parameter entry */ | |
130 | { } /* Terminating entry */ | |
131 | }; | |
132 | ||
133 | static struct usb_device_id clie_id_3_5_table [] = { | |
134 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, | |
135 | { } /* Terminating entry */ | |
136 | }; | |
137 | ||
138 | static struct usb_device_id id_table_combined [] = { | |
139 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) }, | |
140 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) }, | |
141 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) }, | |
142 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) }, | |
143 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) }, | |
144 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) }, | |
145 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) }, | |
146 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) }, | |
147 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) }, | |
148 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) }, | |
149 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) }, | |
ac21e9ff | 150 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, |
1da177e4 LT |
151 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, |
152 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID) }, | |
153 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) }, | |
154 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, | |
155 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) }, | |
156 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) }, | |
157 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) }, | |
158 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) }, | |
159 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) }, | |
160 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) }, | |
161 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) }, | |
162 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) }, | |
163 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) }, | |
115c1ce5 | 164 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, |
1da177e4 LT |
165 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) }, |
166 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) }, | |
167 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) }, | |
168 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) }, | |
169 | { }, /* optional parameter entry */ | |
170 | { } /* Terminating entry */ | |
171 | }; | |
172 | ||
173 | MODULE_DEVICE_TABLE (usb, id_table_combined); | |
174 | ||
175 | static struct usb_driver visor_driver = { | |
1da177e4 LT |
176 | .name = "visor", |
177 | .probe = usb_serial_probe, | |
178 | .disconnect = usb_serial_disconnect, | |
179 | .id_table = id_table_combined, | |
ba9dc657 | 180 | .no_dynamic_id = 1, |
1da177e4 LT |
181 | }; |
182 | ||
183 | /* All of the device info needed for the Handspring Visor, and Palm 4.0 devices */ | |
ea65370d | 184 | static struct usb_serial_driver handspring_device = { |
18fcac35 GKH |
185 | .driver = { |
186 | .owner = THIS_MODULE, | |
269bda1c | 187 | .name = "visor", |
18fcac35 | 188 | }, |
269bda1c | 189 | .description = "Handspring Visor / Palm OS", |
1da177e4 LT |
190 | .id_table = id_table, |
191 | .num_interrupt_in = NUM_DONT_CARE, | |
192 | .num_bulk_in = 2, | |
193 | .num_bulk_out = 2, | |
194 | .num_ports = 2, | |
195 | .open = visor_open, | |
196 | .close = visor_close, | |
197 | .throttle = visor_throttle, | |
198 | .unthrottle = visor_unthrottle, | |
199 | .attach = treo_attach, | |
200 | .probe = visor_probe, | |
201 | .calc_num_ports = visor_calc_num_ports, | |
202 | .shutdown = visor_shutdown, | |
203 | .ioctl = visor_ioctl, | |
204 | .set_termios = visor_set_termios, | |
205 | .write = visor_write, | |
206 | .write_room = visor_write_room, | |
207 | .chars_in_buffer = visor_chars_in_buffer, | |
208 | .write_bulk_callback = visor_write_bulk_callback, | |
209 | .read_bulk_callback = visor_read_bulk_callback, | |
210 | .read_int_callback = visor_read_int_callback, | |
211 | }; | |
212 | ||
213 | /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */ | |
ea65370d | 214 | static struct usb_serial_driver clie_5_device = { |
18fcac35 GKH |
215 | .driver = { |
216 | .owner = THIS_MODULE, | |
269bda1c | 217 | .name = "clie_5", |
18fcac35 | 218 | }, |
269bda1c | 219 | .description = "Sony Clie 5.0", |
1da177e4 LT |
220 | .id_table = clie_id_5_table, |
221 | .num_interrupt_in = NUM_DONT_CARE, | |
222 | .num_bulk_in = 2, | |
223 | .num_bulk_out = 2, | |
224 | .num_ports = 2, | |
225 | .open = visor_open, | |
226 | .close = visor_close, | |
227 | .throttle = visor_throttle, | |
228 | .unthrottle = visor_unthrottle, | |
229 | .attach = clie_5_attach, | |
230 | .probe = visor_probe, | |
231 | .calc_num_ports = visor_calc_num_ports, | |
232 | .shutdown = visor_shutdown, | |
233 | .ioctl = visor_ioctl, | |
234 | .set_termios = visor_set_termios, | |
235 | .write = visor_write, | |
236 | .write_room = visor_write_room, | |
237 | .chars_in_buffer = visor_chars_in_buffer, | |
238 | .write_bulk_callback = visor_write_bulk_callback, | |
239 | .read_bulk_callback = visor_read_bulk_callback, | |
240 | .read_int_callback = visor_read_int_callback, | |
241 | }; | |
242 | ||
243 | /* device info for the Sony Clie OS version 3.5 */ | |
ea65370d | 244 | static struct usb_serial_driver clie_3_5_device = { |
18fcac35 GKH |
245 | .driver = { |
246 | .owner = THIS_MODULE, | |
269bda1c | 247 | .name = "clie_3.5", |
18fcac35 | 248 | }, |
269bda1c | 249 | .description = "Sony Clie 3.5", |
1da177e4 LT |
250 | .id_table = clie_id_3_5_table, |
251 | .num_interrupt_in = 0, | |
252 | .num_bulk_in = 1, | |
253 | .num_bulk_out = 1, | |
254 | .num_ports = 1, | |
255 | .open = visor_open, | |
256 | .close = visor_close, | |
257 | .throttle = visor_throttle, | |
258 | .unthrottle = visor_unthrottle, | |
259 | .attach = clie_3_5_startup, | |
260 | .ioctl = visor_ioctl, | |
261 | .set_termios = visor_set_termios, | |
262 | .write = visor_write, | |
263 | .write_room = visor_write_room, | |
264 | .chars_in_buffer = visor_chars_in_buffer, | |
265 | .write_bulk_callback = visor_write_bulk_callback, | |
266 | .read_bulk_callback = visor_read_bulk_callback, | |
267 | }; | |
268 | ||
269 | struct visor_private { | |
270 | spinlock_t lock; | |
271 | int bytes_in; | |
272 | int bytes_out; | |
273 | int outstanding_urbs; | |
274 | int throttled; | |
275 | }; | |
276 | ||
277 | /* number of outstanding urbs to prevent userspace DoS from happening */ | |
278 | #define URB_UPPER_LIMIT 42 | |
279 | ||
280 | static int stats; | |
281 | ||
282 | /****************************************************************************** | |
283 | * Handspring Visor specific driver functions | |
284 | ******************************************************************************/ | |
285 | static int visor_open (struct usb_serial_port *port, struct file *filp) | |
286 | { | |
287 | struct usb_serial *serial = port->serial; | |
288 | struct visor_private *priv = usb_get_serial_port_data(port); | |
289 | unsigned long flags; | |
290 | int result = 0; | |
291 | ||
292 | dbg("%s - port %d", __FUNCTION__, port->number); | |
293 | ||
294 | if (!port->read_urb) { | |
295 | /* this is needed for some brain dead Sony devices */ | |
296 | dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n"); | |
297 | return -ENODEV; | |
298 | } | |
299 | ||
300 | spin_lock_irqsave(&priv->lock, flags); | |
301 | priv->bytes_in = 0; | |
302 | priv->bytes_out = 0; | |
303 | priv->outstanding_urbs = 0; | |
304 | priv->throttled = 0; | |
305 | spin_unlock_irqrestore(&priv->lock, flags); | |
306 | ||
307 | /* | |
308 | * Force low_latency on so that our tty_push actually forces the data | |
309 | * through, otherwise it is scheduled, and with high data rates (like | |
310 | * with OHCI) data can get lost. | |
311 | */ | |
312 | if (port->tty) | |
313 | port->tty->low_latency = 1; | |
314 | ||
315 | /* Start reading from the device */ | |
316 | usb_fill_bulk_urb (port->read_urb, serial->dev, | |
317 | usb_rcvbulkpipe (serial->dev, | |
318 | port->bulk_in_endpointAddress), | |
319 | port->read_urb->transfer_buffer, | |
320 | port->read_urb->transfer_buffer_length, | |
321 | visor_read_bulk_callback, port); | |
322 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); | |
323 | if (result) { | |
324 | dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", | |
325 | __FUNCTION__, result); | |
326 | goto exit; | |
327 | } | |
328 | ||
329 | if (port->interrupt_in_urb) { | |
330 | dbg("%s - adding interrupt input for treo", __FUNCTION__); | |
331 | result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); | |
332 | if (result) | |
333 | dev_err(&port->dev, "%s - failed submitting interrupt urb, error %d\n", | |
334 | __FUNCTION__, result); | |
335 | } | |
336 | exit: | |
337 | return result; | |
338 | } | |
339 | ||
340 | ||
341 | static void visor_close (struct usb_serial_port *port, struct file * filp) | |
342 | { | |
343 | struct visor_private *priv = usb_get_serial_port_data(port); | |
344 | unsigned char *transfer_buffer; | |
345 | ||
346 | dbg("%s - port %d", __FUNCTION__, port->number); | |
347 | ||
348 | /* shutdown our urbs */ | |
349 | usb_kill_urb(port->read_urb); | |
350 | if (port->interrupt_in_urb) | |
351 | usb_kill_urb(port->interrupt_in_urb); | |
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 | { | |
436 | dbg("%s - port %d", __FUNCTION__, port->number); | |
437 | ||
438 | /* | |
439 | * We really can take anything the user throws at us | |
440 | * but let's pick a nice big number to tell the tty | |
441 | * layer that we have lots of free space | |
442 | */ | |
443 | return 2048; | |
444 | } | |
445 | ||
446 | ||
447 | static int visor_chars_in_buffer (struct usb_serial_port *port) | |
448 | { | |
449 | dbg("%s - port %d", __FUNCTION__, port->number); | |
450 | ||
451 | /* | |
452 | * We can't really account for how much data we | |
453 | * have sent out, but hasn't made it through to the | |
454 | * device, so just tell the tty layer that everything | |
455 | * is flushed. | |
456 | */ | |
457 | return 0; | |
458 | } | |
459 | ||
460 | ||
461 | static void visor_write_bulk_callback (struct urb *urb, struct pt_regs *regs) | |
462 | { | |
463 | struct usb_serial_port *port = (struct usb_serial_port *)urb->context; | |
464 | struct visor_private *priv = usb_get_serial_port_data(port); | |
465 | unsigned long flags; | |
466 | ||
467 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
468 | kfree (urb->transfer_buffer); | |
469 | ||
470 | dbg("%s - port %d", __FUNCTION__, port->number); | |
471 | ||
472 | if (urb->status) | |
473 | dbg("%s - nonzero write bulk status received: %d", | |
474 | __FUNCTION__, urb->status); | |
475 | ||
476 | spin_lock_irqsave(&priv->lock, flags); | |
477 | --priv->outstanding_urbs; | |
478 | spin_unlock_irqrestore(&priv->lock, flags); | |
479 | ||
480 | schedule_work(&port->work); | |
481 | } | |
482 | ||
483 | ||
484 | static void visor_read_bulk_callback (struct urb *urb, struct pt_regs *regs) | |
485 | { | |
486 | struct usb_serial_port *port = (struct usb_serial_port *)urb->context; | |
487 | struct visor_private *priv = usb_get_serial_port_data(port); | |
488 | unsigned char *data = urb->transfer_buffer; | |
489 | struct tty_struct *tty; | |
490 | unsigned long flags; | |
1da177e4 LT |
491 | int throttled; |
492 | int result; | |
493 | ||
494 | dbg("%s - port %d", __FUNCTION__, port->number); | |
495 | ||
496 | if (urb->status) { | |
497 | dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status); | |
498 | return; | |
499 | } | |
500 | ||
501 | usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data); | |
502 | ||
503 | tty = port->tty; | |
504 | if (tty && urb->actual_length) { | |
33f0f88f AC |
505 | tty_buffer_request_room(tty, urb->actual_length); |
506 | tty_insert_flip_string(tty, data, urb->actual_length); | |
1da177e4 LT |
507 | tty_flip_buffer_push(tty); |
508 | } | |
509 | spin_lock_irqsave(&priv->lock, flags); | |
510 | priv->bytes_in += urb->actual_length; | |
511 | throttled = priv->throttled; | |
512 | spin_unlock_irqrestore(&priv->lock, flags); | |
513 | ||
514 | /* Continue trying to always read if we should */ | |
515 | if (!throttled) { | |
516 | usb_fill_bulk_urb (port->read_urb, port->serial->dev, | |
517 | usb_rcvbulkpipe(port->serial->dev, | |
518 | port->bulk_in_endpointAddress), | |
519 | port->read_urb->transfer_buffer, | |
520 | port->read_urb->transfer_buffer_length, | |
521 | visor_read_bulk_callback, port); | |
522 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
523 | if (result) | |
524 | dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result); | |
525 | } | |
526 | return; | |
527 | } | |
528 | ||
529 | static void visor_read_int_callback (struct urb *urb, struct pt_regs *regs) | |
530 | { | |
531 | struct usb_serial_port *port = (struct usb_serial_port *)urb->context; | |
532 | int result; | |
533 | ||
534 | switch (urb->status) { | |
535 | case 0: | |
536 | /* success */ | |
537 | break; | |
538 | case -ECONNRESET: | |
539 | case -ENOENT: | |
540 | case -ESHUTDOWN: | |
541 | /* this urb is terminated, clean up */ | |
542 | dbg("%s - urb shutting down with status: %d", | |
543 | __FUNCTION__, urb->status); | |
544 | return; | |
545 | default: | |
546 | dbg("%s - nonzero urb status received: %d", | |
547 | __FUNCTION__, urb->status); | |
548 | goto exit; | |
549 | } | |
550 | ||
551 | /* | |
552 | * This information is still unknown what it can be used for. | |
553 | * If anyone has an idea, please let the author know... | |
554 | * | |
555 | * Rumor has it this endpoint is used to notify when data | |
556 | * is ready to be read from the bulk ones. | |
557 | */ | |
558 | usb_serial_debug_data(debug, &port->dev, __FUNCTION__, | |
559 | urb->actual_length, urb->transfer_buffer); | |
560 | ||
561 | exit: | |
562 | result = usb_submit_urb (urb, GFP_ATOMIC); | |
563 | if (result) | |
564 | dev_err(&urb->dev->dev, "%s - Error %d submitting interrupt urb\n", | |
565 | __FUNCTION__, result); | |
566 | } | |
567 | ||
568 | static void visor_throttle (struct usb_serial_port *port) | |
569 | { | |
570 | struct visor_private *priv = usb_get_serial_port_data(port); | |
571 | unsigned long flags; | |
572 | ||
573 | dbg("%s - port %d", __FUNCTION__, port->number); | |
574 | spin_lock_irqsave(&priv->lock, flags); | |
575 | priv->throttled = 1; | |
576 | spin_unlock_irqrestore(&priv->lock, flags); | |
577 | } | |
578 | ||
579 | ||
580 | static void visor_unthrottle (struct usb_serial_port *port) | |
581 | { | |
582 | struct visor_private *priv = usb_get_serial_port_data(port); | |
583 | unsigned long flags; | |
584 | int result; | |
585 | ||
586 | dbg("%s - port %d", __FUNCTION__, port->number); | |
587 | spin_lock_irqsave(&priv->lock, flags); | |
588 | priv->throttled = 0; | |
589 | spin_unlock_irqrestore(&priv->lock, flags); | |
590 | ||
591 | port->read_urb->dev = port->serial->dev; | |
592 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
593 | if (result) | |
594 | dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __FUNCTION__, result); | |
595 | } | |
596 | ||
597 | static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id) | |
598 | { | |
599 | struct device *dev = &serial->dev->dev; | |
600 | struct visor_connection_info *connection_info; | |
601 | unsigned char *transfer_buffer; | |
602 | char *string; | |
603 | int retval = 0; | |
604 | int i; | |
605 | int num_ports = 0; | |
606 | ||
607 | dbg("%s", __FUNCTION__); | |
608 | ||
609 | transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL); | |
610 | if (!transfer_buffer) { | |
611 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __FUNCTION__, | |
612 | sizeof(*connection_info)); | |
613 | return -ENOMEM; | |
614 | } | |
615 | ||
616 | /* send a get connection info request */ | |
617 | retval = usb_control_msg (serial->dev, | |
618 | usb_rcvctrlpipe(serial->dev, 0), | |
619 | VISOR_GET_CONNECTION_INFORMATION, | |
620 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
621 | sizeof(*connection_info), 300); | |
622 | if (retval < 0) { | |
623 | dev_err(dev, "%s - error %d getting connection information\n", | |
624 | __FUNCTION__, retval); | |
625 | goto exit; | |
626 | } | |
627 | ||
628 | if (retval == sizeof(*connection_info)) { | |
629 | connection_info = (struct visor_connection_info *)transfer_buffer; | |
630 | ||
631 | num_ports = le16_to_cpu(connection_info->num_ports); | |
632 | for (i = 0; i < num_ports; ++i) { | |
633 | switch (connection_info->connections[i].port_function_id) { | |
634 | case VISOR_FUNCTION_GENERIC: | |
635 | string = "Generic"; | |
636 | break; | |
637 | case VISOR_FUNCTION_DEBUGGER: | |
638 | string = "Debugger"; | |
639 | break; | |
640 | case VISOR_FUNCTION_HOTSYNC: | |
641 | string = "HotSync"; | |
642 | break; | |
643 | case VISOR_FUNCTION_CONSOLE: | |
644 | string = "Console"; | |
645 | break; | |
646 | case VISOR_FUNCTION_REMOTE_FILE_SYS: | |
647 | string = "Remote File System"; | |
648 | break; | |
649 | default: | |
650 | string = "unknown"; | |
651 | break; | |
652 | } | |
653 | dev_info(dev, "%s: port %d, is for %s use\n", | |
269bda1c | 654 | serial->type->description, |
1da177e4 LT |
655 | connection_info->connections[i].port, string); |
656 | } | |
657 | } | |
658 | /* | |
659 | * Handle devices that report invalid stuff here. | |
660 | */ | |
661 | if (num_ports == 0 || num_ports > 2) { | |
662 | dev_warn (dev, "%s: No valid connect info available\n", | |
269bda1c | 663 | serial->type->description); |
1da177e4 LT |
664 | num_ports = 2; |
665 | } | |
666 | ||
269bda1c | 667 | dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, |
1da177e4 LT |
668 | num_ports); |
669 | ||
670 | /* | |
671 | * save off our num_ports info so that we can use it in the | |
672 | * calc_num_ports callback | |
673 | */ | |
674 | usb_set_serial_data(serial, (void *)(long)num_ports); | |
675 | ||
676 | /* ask for the number of bytes available, but ignore the response as it is broken */ | |
677 | retval = usb_control_msg (serial->dev, | |
678 | usb_rcvctrlpipe(serial->dev, 0), | |
679 | VISOR_REQUEST_BYTES_AVAILABLE, | |
680 | 0xc2, 0x0000, 0x0005, transfer_buffer, | |
681 | 0x02, 300); | |
682 | if (retval < 0) | |
683 | dev_err(dev, "%s - error %d getting bytes available request\n", | |
684 | __FUNCTION__, retval); | |
685 | retval = 0; | |
686 | ||
687 | exit: | |
688 | kfree (transfer_buffer); | |
689 | ||
690 | return retval; | |
691 | } | |
692 | ||
693 | static int palm_os_4_probe (struct usb_serial *serial, const struct usb_device_id *id) | |
694 | { | |
695 | struct device *dev = &serial->dev->dev; | |
696 | struct palm_ext_connection_info *connection_info; | |
697 | unsigned char *transfer_buffer; | |
698 | int retval; | |
699 | ||
700 | dbg("%s", __FUNCTION__); | |
701 | ||
702 | transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL); | |
703 | if (!transfer_buffer) { | |
704 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __FUNCTION__, | |
705 | sizeof(*connection_info)); | |
706 | return -ENOMEM; | |
707 | } | |
708 | ||
709 | retval = usb_control_msg (serial->dev, | |
710 | usb_rcvctrlpipe(serial->dev, 0), | |
711 | PALM_GET_EXT_CONNECTION_INFORMATION, | |
712 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
713 | sizeof (*connection_info), 300); | |
714 | if (retval < 0) | |
715 | dev_err(dev, "%s - error %d getting connection info\n", | |
716 | __FUNCTION__, retval); | |
717 | else | |
718 | usb_serial_debug_data(debug, &serial->dev->dev, __FUNCTION__, | |
719 | retval, transfer_buffer); | |
720 | ||
721 | kfree (transfer_buffer); | |
722 | return 0; | |
723 | } | |
724 | ||
725 | ||
726 | static int visor_probe (struct usb_serial *serial, const struct usb_device_id *id) | |
727 | { | |
728 | int retval = 0; | |
729 | int (*startup) (struct usb_serial *serial, const struct usb_device_id *id); | |
730 | ||
731 | dbg("%s", __FUNCTION__); | |
732 | ||
733 | if (serial->dev->actconfig->desc.bConfigurationValue != 1) { | |
734 | err("active config #%d != 1 ??", | |
735 | serial->dev->actconfig->desc.bConfigurationValue); | |
736 | return -ENODEV; | |
737 | } | |
738 | ||
739 | if (id->driver_info) { | |
740 | startup = (void *)id->driver_info; | |
741 | retval = startup(serial, id); | |
742 | } | |
743 | ||
744 | return retval; | |
745 | } | |
746 | ||
747 | static int visor_calc_num_ports (struct usb_serial *serial) | |
748 | { | |
749 | int num_ports = (int)(long)(usb_get_serial_data(serial)); | |
750 | ||
751 | if (num_ports) | |
752 | usb_set_serial_data(serial, NULL); | |
753 | ||
754 | return num_ports; | |
755 | } | |
756 | ||
757 | static int generic_startup(struct usb_serial *serial) | |
758 | { | |
759 | struct visor_private *priv; | |
760 | int i; | |
761 | ||
762 | for (i = 0; i < serial->num_ports; ++i) { | |
763 | priv = kmalloc (sizeof(*priv), GFP_KERNEL); | |
764 | if (!priv) | |
765 | return -ENOMEM; | |
766 | memset (priv, 0x00, sizeof(*priv)); | |
767 | spin_lock_init(&priv->lock); | |
768 | usb_set_serial_port_data(serial->port[i], priv); | |
769 | } | |
770 | return 0; | |
771 | } | |
772 | ||
773 | static int clie_3_5_startup (struct usb_serial *serial) | |
774 | { | |
775 | struct device *dev = &serial->dev->dev; | |
776 | int result; | |
777 | u8 data; | |
778 | ||
779 | dbg("%s", __FUNCTION__); | |
780 | ||
781 | /* | |
782 | * Note that PEG-300 series devices expect the following two calls. | |
783 | */ | |
784 | ||
785 | /* get the config number */ | |
786 | result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), | |
787 | USB_REQ_GET_CONFIGURATION, USB_DIR_IN, | |
788 | 0, 0, &data, 1, 3000); | |
789 | if (result < 0) { | |
790 | dev_err(dev, "%s: get config number failed: %d\n", __FUNCTION__, result); | |
791 | return result; | |
792 | } | |
793 | if (result != 1) { | |
794 | dev_err(dev, "%s: get config number bad return length: %d\n", __FUNCTION__, result); | |
795 | return -EIO; | |
796 | } | |
797 | ||
798 | /* get the interface number */ | |
799 | result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), | |
800 | USB_REQ_GET_INTERFACE, | |
801 | USB_DIR_IN | USB_RECIP_INTERFACE, | |
802 | 0, 0, &data, 1, 3000); | |
803 | if (result < 0) { | |
804 | dev_err(dev, "%s: get interface number failed: %d\n", __FUNCTION__, result); | |
805 | return result; | |
806 | } | |
807 | if (result != 1) { | |
808 | dev_err(dev, "%s: get interface number bad return length: %d\n", __FUNCTION__, result); | |
809 | return -EIO; | |
810 | } | |
811 | ||
812 | return generic_startup(serial); | |
813 | } | |
814 | ||
815 | static int treo_attach (struct usb_serial *serial) | |
816 | { | |
817 | struct usb_serial_port *swap_port; | |
818 | ||
819 | /* Only do this endpoint hack for the Handspring devices with | |
820 | * interrupt in endpoints, which for now are the Treo devices. */ | |
821 | if (!((le16_to_cpu(serial->dev->descriptor.idVendor) == HANDSPRING_VENDOR_ID) || | |
822 | (le16_to_cpu(serial->dev->descriptor.idVendor) == KYOCERA_VENDOR_ID)) || | |
823 | (serial->num_interrupt_in == 0)) | |
824 | goto generic_startup; | |
825 | ||
826 | dbg("%s", __FUNCTION__); | |
827 | ||
828 | /* | |
829 | * It appears that Treos and Kyoceras want to use the | |
830 | * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, | |
831 | * so let's swap the 1st and 2nd bulk in and interrupt endpoints. | |
832 | * Note that swapping the bulk out endpoints would break lots of | |
833 | * apps that want to communicate on the second port. | |
834 | */ | |
835 | #define COPY_PORT(dest, src) \ | |
836 | dest->read_urb = src->read_urb; \ | |
837 | dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress; \ | |
838 | dest->bulk_in_buffer = src->bulk_in_buffer; \ | |
839 | dest->interrupt_in_urb = src->interrupt_in_urb; \ | |
840 | dest->interrupt_in_endpointAddress = src->interrupt_in_endpointAddress; \ | |
841 | dest->interrupt_in_buffer = src->interrupt_in_buffer; | |
842 | ||
843 | swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL); | |
844 | if (!swap_port) | |
845 | return -ENOMEM; | |
846 | COPY_PORT(swap_port, serial->port[0]); | |
847 | COPY_PORT(serial->port[0], serial->port[1]); | |
848 | COPY_PORT(serial->port[1], swap_port); | |
849 | kfree(swap_port); | |
850 | ||
851 | generic_startup: | |
852 | return generic_startup(serial); | |
853 | } | |
854 | ||
855 | static int clie_5_attach (struct usb_serial *serial) | |
856 | { | |
857 | dbg("%s", __FUNCTION__); | |
858 | ||
859 | /* TH55 registers 2 ports. | |
860 | Communication in from the UX50/TH55 uses bulk_in_endpointAddress from port 0 | |
861 | Communication out to the UX50/TH55 uses bulk_out_endpointAddress from port 1 | |
862 | ||
863 | Lets do a quick and dirty mapping | |
864 | */ | |
865 | ||
866 | /* some sanity check */ | |
867 | if (serial->num_ports < 2) | |
868 | return -1; | |
869 | ||
870 | /* port 0 now uses the modified endpoint Address */ | |
871 | serial->port[0]->bulk_out_endpointAddress = serial->port[1]->bulk_out_endpointAddress; | |
872 | ||
873 | return generic_startup(serial); | |
874 | } | |
875 | ||
876 | static void visor_shutdown (struct usb_serial *serial) | |
877 | { | |
878 | dbg("%s", __FUNCTION__); | |
879 | } | |
880 | ||
881 | static int visor_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg) | |
882 | { | |
883 | dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd); | |
884 | ||
885 | return -ENOIOCTLCMD; | |
886 | } | |
887 | ||
888 | ||
889 | /* This function is all nice and good, but we don't change anything based on it :) */ | |
890 | static void visor_set_termios (struct usb_serial_port *port, struct termios *old_termios) | |
891 | { | |
892 | unsigned int cflag; | |
893 | ||
894 | dbg("%s - port %d", __FUNCTION__, port->number); | |
895 | ||
896 | if ((!port->tty) || (!port->tty->termios)) { | |
897 | dbg("%s - no tty structures", __FUNCTION__); | |
898 | return; | |
899 | } | |
900 | ||
901 | cflag = port->tty->termios->c_cflag; | |
902 | /* check that they really want us to change something */ | |
903 | if (old_termios) { | |
904 | if ((cflag == old_termios->c_cflag) && | |
905 | (RELEVANT_IFLAG(port->tty->termios->c_iflag) == RELEVANT_IFLAG(old_termios->c_iflag))) { | |
906 | dbg("%s - nothing to change...", __FUNCTION__); | |
907 | return; | |
908 | } | |
909 | } | |
910 | ||
911 | /* get the byte size */ | |
912 | switch (cflag & CSIZE) { | |
913 | case CS5: dbg("%s - data bits = 5", __FUNCTION__); break; | |
914 | case CS6: dbg("%s - data bits = 6", __FUNCTION__); break; | |
915 | case CS7: dbg("%s - data bits = 7", __FUNCTION__); break; | |
916 | default: | |
917 | case CS8: dbg("%s - data bits = 8", __FUNCTION__); break; | |
918 | } | |
919 | ||
920 | /* determine the parity */ | |
921 | if (cflag & PARENB) | |
922 | if (cflag & PARODD) | |
923 | dbg("%s - parity = odd", __FUNCTION__); | |
924 | else | |
925 | dbg("%s - parity = even", __FUNCTION__); | |
926 | else | |
927 | dbg("%s - parity = none", __FUNCTION__); | |
928 | ||
929 | /* figure out the stop bits requested */ | |
930 | if (cflag & CSTOPB) | |
931 | dbg("%s - stop bits = 2", __FUNCTION__); | |
932 | else | |
933 | dbg("%s - stop bits = 1", __FUNCTION__); | |
934 | ||
935 | ||
936 | /* figure out the flow control settings */ | |
937 | if (cflag & CRTSCTS) | |
938 | dbg("%s - RTS/CTS is enabled", __FUNCTION__); | |
939 | else | |
940 | dbg("%s - RTS/CTS is disabled", __FUNCTION__); | |
941 | ||
942 | /* determine software flow control */ | |
943 | if (I_IXOFF(port->tty)) | |
944 | dbg("%s - XON/XOFF is enabled, XON = %2x, XOFF = %2x", | |
945 | __FUNCTION__, START_CHAR(port->tty), STOP_CHAR(port->tty)); | |
946 | else | |
947 | dbg("%s - XON/XOFF is disabled", __FUNCTION__); | |
948 | ||
949 | /* get the baud rate wanted */ | |
950 | dbg("%s - baud rate = %d", __FUNCTION__, tty_get_baud_rate(port->tty)); | |
951 | ||
952 | return; | |
953 | } | |
954 | ||
955 | ||
956 | static int __init visor_init (void) | |
957 | { | |
958 | int i, retval; | |
959 | /* Only if parameters were passed to us */ | |
960 | if ((vendor>0) && (product>0)) { | |
961 | struct usb_device_id usb_dev_temp[]= | |
962 | {{USB_DEVICE(vendor, product), | |
963 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }}; | |
964 | ||
965 | /* Find the last entry in id_table */ | |
966 | for (i=0; ; i++) { | |
967 | if (id_table[i].idVendor==0) { | |
968 | id_table[i] = usb_dev_temp[0]; | |
969 | break; | |
970 | } | |
971 | } | |
972 | /* Find the last entry in id_table_combined */ | |
973 | for (i=0; ; i++) { | |
974 | if (id_table_combined[i].idVendor==0) { | |
975 | id_table_combined[i] = usb_dev_temp[0]; | |
976 | break; | |
977 | } | |
978 | } | |
979 | info("Untested USB device specified at time of module insertion"); | |
980 | info("Warning: This is not guaranteed to work"); | |
981 | info("Using a newer kernel is preferred to this method"); | |
982 | info("Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x", | |
983 | vendor, product); | |
984 | } | |
985 | retval = usb_serial_register(&handspring_device); | |
986 | if (retval) | |
987 | goto failed_handspring_register; | |
988 | retval = usb_serial_register(&clie_3_5_device); | |
989 | if (retval) | |
990 | goto failed_clie_3_5_register; | |
991 | retval = usb_serial_register(&clie_5_device); | |
992 | if (retval) | |
993 | goto failed_clie_5_register; | |
994 | retval = usb_register(&visor_driver); | |
995 | if (retval) | |
996 | goto failed_usb_register; | |
17a882fc | 997 | info(DRIVER_DESC); |
1da177e4 LT |
998 | |
999 | return 0; | |
1000 | failed_usb_register: | |
1001 | usb_serial_deregister(&clie_5_device); | |
1002 | failed_clie_5_register: | |
1003 | usb_serial_deregister(&clie_3_5_device); | |
1004 | failed_clie_3_5_register: | |
1005 | usb_serial_deregister(&handspring_device); | |
1006 | failed_handspring_register: | |
1007 | return retval; | |
1008 | } | |
1009 | ||
1010 | ||
1011 | static void __exit visor_exit (void) | |
1012 | { | |
1013 | usb_deregister (&visor_driver); | |
1014 | usb_serial_deregister (&handspring_device); | |
1015 | usb_serial_deregister (&clie_3_5_device); | |
1016 | usb_serial_deregister (&clie_5_device); | |
1017 | } | |
1018 | ||
1019 | ||
1020 | module_init(visor_init); | |
1021 | module_exit(visor_exit); | |
1022 | ||
1023 | MODULE_AUTHOR( DRIVER_AUTHOR ); | |
1024 | MODULE_DESCRIPTION( DRIVER_DESC ); | |
1025 | MODULE_LICENSE("GPL"); | |
1026 | ||
1027 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1028 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1029 | module_param(stats, bool, S_IRUGO | S_IWUSR); | |
1030 | MODULE_PARM_DESC(stats, "Enables statistics or not"); | |
1031 | ||
1032 | module_param(vendor, ushort, 0); | |
1033 | MODULE_PARM_DESC(vendor, "User specified vendor ID"); | |
1034 | module_param(product, ushort, 0); | |
1035 | MODULE_PARM_DESC(product, "User specified product ID"); | |
1036 |