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 | * | |
4d0dce3e GKH |
8 | * This program is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU General Public License version | |
10 | * 2 as published by the Free Software Foundation. | |
1da177e4 | 11 | * |
d60d4396 AC |
12 | * See Documentation/usb/usb-serial.txt for more information on using this |
13 | * driver | |
1da177e4 | 14 | * |
1da177e4 LT |
15 | */ |
16 | ||
1da177e4 LT |
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> | |
d60d4396 | 27 | #include <linux/uaccess.h> |
1da177e4 | 28 | #include <linux/usb.h> |
a969888c | 29 | #include <linux/usb/serial.h> |
1da177e4 LT |
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 */ | |
d60d4396 AC |
39 | static int visor_open(struct tty_struct *tty, struct usb_serial_port *port, |
40 | struct file *filp); | |
41 | static void visor_close(struct tty_struct *tty, struct usb_serial_port *port, | |
42 | struct file *filp); | |
43 | static int visor_write(struct tty_struct *tty, struct usb_serial_port *port, | |
44 | const unsigned char *buf, int count); | |
45 | static int visor_write_room(struct tty_struct *tty); | |
46 | static void visor_throttle(struct tty_struct *tty); | |
47 | static void visor_unthrottle(struct tty_struct *tty); | |
48 | static int visor_probe(struct usb_serial *serial, | |
49 | const struct usb_device_id *id); | |
1da177e4 | 50 | static int visor_calc_num_ports(struct usb_serial *serial); |
d60d4396 AC |
51 | static void visor_shutdown(struct usb_serial *serial); |
52 | static void visor_write_bulk_callback(struct urb *urb); | |
53 | static void visor_read_bulk_callback(struct urb *urb); | |
54 | static void visor_read_int_callback(struct urb *urb); | |
55 | static int clie_3_5_startup(struct usb_serial *serial); | |
56 | static int treo_attach(struct usb_serial *serial); | |
57 | static int clie_5_attach(struct usb_serial *serial); | |
58 | static int palm_os_3_probe(struct usb_serial *serial, | |
59 | const struct usb_device_id *id); | |
60 | static int palm_os_4_probe(struct usb_serial *serial, | |
61 | const struct usb_device_id *id); | |
1da177e4 LT |
62 | |
63 | /* Parameters that may be passed into the module. */ | |
64 | static int debug; | |
65 | static __u16 vendor; | |
66 | static __u16 product; | |
67 | ||
68 | static struct usb_device_id id_table [] = { | |
69 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID), | |
70 | .driver_info = (kernel_ulong_t)&palm_os_3_probe }, | |
71 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID), | |
72 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
73 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID), | |
74 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
04d52461 HS |
75 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID), |
76 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
77 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID), |
78 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
79 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID), | |
80 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
81 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID), | |
82 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
83 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID), | |
84 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
85 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID), | |
86 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
87 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID), | |
88 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
89 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID), | |
90 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
91 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID), | |
92 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
ac21e9ff | 93 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), |
94 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
95 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), |
96 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
1da177e4 LT |
97 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID), |
98 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
99 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID), | |
100 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
101 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID), | |
102 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
103 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID), | |
104 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
105 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID), | |
106 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
107 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID), | |
108 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
109 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID), | |
110 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
c8ba84a0 MA |
111 | { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID), |
112 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
d60d4396 | 113 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), |
1da177e4 | 114 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
d60d4396 | 115 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), |
1da177e4 | 116 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
115c1ce5 LB |
117 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), |
118 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
d60d4396 | 119 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), |
1da177e4 LT |
120 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
121 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID), | |
122 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
123 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID), | |
124 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
125 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID), | |
126 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
127 | { }, /* optional parameter entry */ | |
128 | { } /* Terminating entry */ | |
129 | }; | |
130 | ||
131 | static struct usb_device_id clie_id_5_table [] = { | |
132 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID), | |
133 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, | |
134 | { }, /* optional parameter entry */ | |
135 | { } /* Terminating entry */ | |
136 | }; | |
137 | ||
138 | static struct usb_device_id clie_id_3_5_table [] = { | |
139 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, | |
140 | { } /* Terminating entry */ | |
141 | }; | |
142 | ||
143 | static struct usb_device_id id_table_combined [] = { | |
144 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) }, | |
145 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) }, | |
146 | { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) }, | |
04d52461 | 147 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) }, |
1da177e4 LT |
148 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) }, |
149 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) }, | |
150 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) }, | |
151 | { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) }, | |
152 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) }, | |
153 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) }, | |
154 | { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) }, | |
155 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) }, | |
ac21e9ff | 156 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, |
1da177e4 | 157 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, |
1da177e4 LT |
158 | { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) }, |
159 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) }, | |
160 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) }, | |
161 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) }, | |
162 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) }, | |
163 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) }, | |
164 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) }, | |
165 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) }, | |
166 | { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) }, | |
167 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) }, | |
168 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) }, | |
115c1ce5 | 169 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, |
1da177e4 LT |
170 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) }, |
171 | { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) }, | |
172 | { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) }, | |
173 | { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) }, | |
174 | { }, /* optional parameter entry */ | |
175 | { } /* Terminating entry */ | |
176 | }; | |
177 | ||
d60d4396 | 178 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
1da177e4 LT |
179 | |
180 | static struct usb_driver visor_driver = { | |
1da177e4 LT |
181 | .name = "visor", |
182 | .probe = usb_serial_probe, | |
183 | .disconnect = usb_serial_disconnect, | |
184 | .id_table = id_table_combined, | |
ba9dc657 | 185 | .no_dynamic_id = 1, |
1da177e4 LT |
186 | }; |
187 | ||
d60d4396 AC |
188 | /* All of the device info needed for the Handspring Visor, |
189 | and Palm 4.0 devices */ | |
ea65370d | 190 | static struct usb_serial_driver handspring_device = { |
18fcac35 GKH |
191 | .driver = { |
192 | .owner = THIS_MODULE, | |
269bda1c | 193 | .name = "visor", |
18fcac35 | 194 | }, |
269bda1c | 195 | .description = "Handspring Visor / Palm OS", |
d9b1b787 | 196 | .usb_driver = &visor_driver, |
1da177e4 | 197 | .id_table = id_table, |
1da177e4 LT |
198 | .num_ports = 2, |
199 | .open = visor_open, | |
200 | .close = visor_close, | |
201 | .throttle = visor_throttle, | |
202 | .unthrottle = visor_unthrottle, | |
203 | .attach = treo_attach, | |
204 | .probe = visor_probe, | |
205 | .calc_num_ports = visor_calc_num_ports, | |
206 | .shutdown = visor_shutdown, | |
1da177e4 LT |
207 | .write = visor_write, |
208 | .write_room = visor_write_room, | |
1da177e4 LT |
209 | .write_bulk_callback = visor_write_bulk_callback, |
210 | .read_bulk_callback = visor_read_bulk_callback, | |
211 | .read_int_callback = visor_read_int_callback, | |
212 | }; | |
213 | ||
214 | /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */ | |
ea65370d | 215 | static struct usb_serial_driver clie_5_device = { |
18fcac35 GKH |
216 | .driver = { |
217 | .owner = THIS_MODULE, | |
269bda1c | 218 | .name = "clie_5", |
18fcac35 | 219 | }, |
269bda1c | 220 | .description = "Sony Clie 5.0", |
d9b1b787 | 221 | .usb_driver = &visor_driver, |
1da177e4 | 222 | .id_table = clie_id_5_table, |
1da177e4 LT |
223 | .num_ports = 2, |
224 | .open = visor_open, | |
225 | .close = visor_close, | |
226 | .throttle = visor_throttle, | |
227 | .unthrottle = visor_unthrottle, | |
228 | .attach = clie_5_attach, | |
229 | .probe = visor_probe, | |
230 | .calc_num_ports = visor_calc_num_ports, | |
231 | .shutdown = visor_shutdown, | |
1da177e4 LT |
232 | .write = visor_write, |
233 | .write_room = visor_write_room, | |
1da177e4 LT |
234 | .write_bulk_callback = visor_write_bulk_callback, |
235 | .read_bulk_callback = visor_read_bulk_callback, | |
236 | .read_int_callback = visor_read_int_callback, | |
237 | }; | |
238 | ||
239 | /* device info for the Sony Clie OS version 3.5 */ | |
ea65370d | 240 | static struct usb_serial_driver clie_3_5_device = { |
18fcac35 GKH |
241 | .driver = { |
242 | .owner = THIS_MODULE, | |
269bda1c | 243 | .name = "clie_3.5", |
18fcac35 | 244 | }, |
269bda1c | 245 | .description = "Sony Clie 3.5", |
d9b1b787 | 246 | .usb_driver = &visor_driver, |
1da177e4 | 247 | .id_table = clie_id_3_5_table, |
1da177e4 LT |
248 | .num_ports = 1, |
249 | .open = visor_open, | |
250 | .close = visor_close, | |
251 | .throttle = visor_throttle, | |
252 | .unthrottle = visor_unthrottle, | |
253 | .attach = clie_3_5_startup, | |
1da177e4 LT |
254 | .write = visor_write, |
255 | .write_room = visor_write_room, | |
1da177e4 LT |
256 | .write_bulk_callback = visor_write_bulk_callback, |
257 | .read_bulk_callback = visor_read_bulk_callback, | |
258 | }; | |
259 | ||
260 | struct visor_private { | |
261 | spinlock_t lock; | |
262 | int bytes_in; | |
263 | int bytes_out; | |
264 | int outstanding_urbs; | |
b308e74d ON |
265 | unsigned char throttled; |
266 | unsigned char actually_throttled; | |
1da177e4 LT |
267 | }; |
268 | ||
269 | /* number of outstanding urbs to prevent userspace DoS from happening */ | |
270 | #define URB_UPPER_LIMIT 42 | |
271 | ||
272 | static int stats; | |
273 | ||
274 | /****************************************************************************** | |
275 | * Handspring Visor specific driver functions | |
276 | ******************************************************************************/ | |
d60d4396 AC |
277 | static int visor_open(struct tty_struct *tty, struct usb_serial_port *port, |
278 | struct file *filp) | |
1da177e4 LT |
279 | { |
280 | struct usb_serial *serial = port->serial; | |
281 | struct visor_private *priv = usb_get_serial_port_data(port); | |
282 | unsigned long flags; | |
283 | int result = 0; | |
284 | ||
441b62c1 | 285 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
286 | |
287 | if (!port->read_urb) { | |
288 | /* this is needed for some brain dead Sony devices */ | |
289 | dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n"); | |
290 | return -ENODEV; | |
291 | } | |
292 | ||
293 | spin_lock_irqsave(&priv->lock, flags); | |
294 | priv->bytes_in = 0; | |
295 | priv->bytes_out = 0; | |
1da177e4 LT |
296 | priv->throttled = 0; |
297 | spin_unlock_irqrestore(&priv->lock, flags); | |
298 | ||
299 | /* | |
300 | * Force low_latency on so that our tty_push actually forces the data | |
301 | * through, otherwise it is scheduled, and with high data rates (like | |
302 | * with OHCI) data can get lost. | |
303 | */ | |
95da310e AC |
304 | if (tty) |
305 | tty->low_latency = 1; | |
1da177e4 LT |
306 | |
307 | /* Start reading from the device */ | |
d60d4396 AC |
308 | usb_fill_bulk_urb(port->read_urb, serial->dev, |
309 | usb_rcvbulkpipe(serial->dev, | |
1da177e4 LT |
310 | port->bulk_in_endpointAddress), |
311 | port->read_urb->transfer_buffer, | |
312 | port->read_urb->transfer_buffer_length, | |
313 | visor_read_bulk_callback, port); | |
314 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); | |
315 | if (result) { | |
d60d4396 AC |
316 | dev_err(&port->dev, |
317 | "%s - failed submitting read urb, error %d\n", | |
318 | __func__, result); | |
1da177e4 LT |
319 | goto exit; |
320 | } | |
d60d4396 | 321 | |
1da177e4 | 322 | if (port->interrupt_in_urb) { |
441b62c1 | 323 | dbg("%s - adding interrupt input for treo", __func__); |
1da177e4 LT |
324 | result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); |
325 | if (result) | |
d60d4396 AC |
326 | dev_err(&port->dev, |
327 | "%s - failed submitting interrupt urb, error %d\n", | |
328 | __func__, result); | |
1da177e4 | 329 | } |
d60d4396 | 330 | exit: |
1da177e4 LT |
331 | return result; |
332 | } | |
333 | ||
334 | ||
95da310e | 335 | static void visor_close(struct tty_struct *tty, |
d60d4396 | 336 | struct usb_serial_port *port, struct file *filp) |
1da177e4 LT |
337 | { |
338 | struct visor_private *priv = usb_get_serial_port_data(port); | |
339 | unsigned char *transfer_buffer; | |
340 | ||
441b62c1 | 341 | dbg("%s - port %d", __func__, port->number); |
d60d4396 | 342 | |
1da177e4 LT |
343 | /* shutdown our urbs */ |
344 | usb_kill_urb(port->read_urb); | |
bcb54a54 | 345 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 | 346 | |
e33fe4d8 ON |
347 | mutex_lock(&port->serial->disc_mutex); |
348 | if (!port->serial->disconnected) { | |
349 | /* Try to send shutdown message, unless the device is gone */ | |
d60d4396 | 350 | transfer_buffer = kmalloc(0x12, GFP_KERNEL); |
e33fe4d8 | 351 | if (transfer_buffer) { |
d60d4396 | 352 | usb_control_msg(port->serial->dev, |
e33fe4d8 ON |
353 | usb_rcvctrlpipe(port->serial->dev, 0), |
354 | VISOR_CLOSE_NOTIFICATION, 0xc2, | |
355 | 0x0000, 0x0000, | |
356 | transfer_buffer, 0x12, 300); | |
d60d4396 | 357 | kfree(transfer_buffer); |
e33fe4d8 | 358 | } |
1da177e4 | 359 | } |
95bef012 | 360 | mutex_unlock(&port->serial->disc_mutex); |
1da177e4 LT |
361 | |
362 | if (stats) | |
363 | dev_info(&port->dev, "Bytes In = %d Bytes Out = %d\n", | |
364 | priv->bytes_in, priv->bytes_out); | |
365 | } | |
366 | ||
367 | ||
95da310e AC |
368 | static int visor_write(struct tty_struct *tty, struct usb_serial_port *port, |
369 | const unsigned char *buf, int count) | |
1da177e4 LT |
370 | { |
371 | struct visor_private *priv = usb_get_serial_port_data(port); | |
372 | struct usb_serial *serial = port->serial; | |
373 | struct urb *urb; | |
374 | unsigned char *buffer; | |
375 | unsigned long flags; | |
376 | int status; | |
377 | ||
441b62c1 | 378 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
379 | |
380 | spin_lock_irqsave(&priv->lock, flags); | |
381 | if (priv->outstanding_urbs > URB_UPPER_LIMIT) { | |
382 | spin_unlock_irqrestore(&priv->lock, flags); | |
441b62c1 | 383 | dbg("%s - write limit hit\n", __func__); |
1da177e4 LT |
384 | return 0; |
385 | } | |
b80349b1 | 386 | priv->outstanding_urbs++; |
1da177e4 LT |
387 | spin_unlock_irqrestore(&priv->lock, flags); |
388 | ||
d60d4396 | 389 | buffer = kmalloc(count, GFP_ATOMIC); |
1da177e4 LT |
390 | if (!buffer) { |
391 | dev_err(&port->dev, "out of memory\n"); | |
b80349b1 ON |
392 | count = -ENOMEM; |
393 | goto error_no_buffer; | |
1da177e4 LT |
394 | } |
395 | ||
396 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
397 | if (!urb) { | |
398 | dev_err(&port->dev, "no more free urbs\n"); | |
b80349b1 ON |
399 | count = -ENOMEM; |
400 | goto error_no_urb; | |
1da177e4 LT |
401 | } |
402 | ||
d60d4396 | 403 | memcpy(buffer, buf, count); |
1da177e4 | 404 | |
441b62c1 | 405 | usb_serial_debug_data(debug, &port->dev, __func__, count, buffer); |
1da177e4 | 406 | |
d60d4396 AC |
407 | usb_fill_bulk_urb(urb, serial->dev, |
408 | usb_sndbulkpipe(serial->dev, | |
1da177e4 | 409 | port->bulk_out_endpointAddress), |
d60d4396 | 410 | buffer, count, |
1da177e4 LT |
411 | visor_write_bulk_callback, port); |
412 | ||
413 | /* send it down the pipe */ | |
414 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
415 | if (status) { | |
d60d4396 AC |
416 | dev_err(&port->dev, |
417 | "%s - usb_submit_urb(write bulk) failed with status = %d\n", | |
418 | __func__, status); | |
1da177e4 | 419 | count = status; |
b80349b1 | 420 | goto error; |
1da177e4 LT |
421 | } else { |
422 | spin_lock_irqsave(&priv->lock, flags); | |
1da177e4 LT |
423 | priv->bytes_out += count; |
424 | spin_unlock_irqrestore(&priv->lock, flags); | |
425 | } | |
426 | ||
427 | /* we are done with this urb, so let the host driver | |
428 | * really free it when it is finished with it */ | |
b80349b1 | 429 | usb_free_urb(urb); |
1da177e4 | 430 | |
b80349b1 ON |
431 | return count; |
432 | error: | |
433 | usb_free_urb(urb); | |
434 | error_no_urb: | |
435 | kfree(buffer); | |
436 | error_no_buffer: | |
437 | spin_lock_irqsave(&priv->lock, flags); | |
438 | --priv->outstanding_urbs; | |
439 | spin_unlock_irqrestore(&priv->lock, flags); | |
1da177e4 LT |
440 | return count; |
441 | } | |
442 | ||
443 | ||
d60d4396 | 444 | static int visor_write_room(struct tty_struct *tty) |
1da177e4 | 445 | { |
95da310e | 446 | struct usb_serial_port *port = tty->driver_data; |
bd97c4f0 PZ |
447 | struct visor_private *priv = usb_get_serial_port_data(port); |
448 | unsigned long flags; | |
449 | ||
441b62c1 | 450 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
451 | |
452 | /* | |
453 | * We really can take anything the user throws at us | |
454 | * but let's pick a nice big number to tell the tty | |
bd97c4f0 | 455 | * layer that we have lots of free space, unless we don't. |
1da177e4 | 456 | */ |
bd97c4f0 PZ |
457 | |
458 | spin_lock_irqsave(&priv->lock, flags); | |
459 | if (priv->outstanding_urbs > URB_UPPER_LIMIT * 2 / 3) { | |
460 | spin_unlock_irqrestore(&priv->lock, flags); | |
441b62c1 | 461 | dbg("%s - write limit hit\n", __func__); |
bd97c4f0 PZ |
462 | return 0; |
463 | } | |
464 | spin_unlock_irqrestore(&priv->lock, flags); | |
465 | ||
1da177e4 LT |
466 | return 2048; |
467 | } | |
468 | ||
469 | ||
d60d4396 | 470 | static void visor_write_bulk_callback(struct urb *urb) |
1da177e4 | 471 | { |
cdc97792 | 472 | struct usb_serial_port *port = urb->context; |
1da177e4 | 473 | struct visor_private *priv = usb_get_serial_port_data(port); |
38e8c910 | 474 | int status = urb->status; |
1da177e4 LT |
475 | unsigned long flags; |
476 | ||
477 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
d60d4396 | 478 | kfree(urb->transfer_buffer); |
1da177e4 | 479 | |
441b62c1 | 480 | dbg("%s - port %d", __func__, port->number); |
38e8c910 GKH |
481 | |
482 | if (status) | |
1da177e4 | 483 | dbg("%s - nonzero write bulk status received: %d", |
441b62c1 | 484 | __func__, status); |
1da177e4 LT |
485 | |
486 | spin_lock_irqsave(&priv->lock, flags); | |
487 | --priv->outstanding_urbs; | |
488 | spin_unlock_irqrestore(&priv->lock, flags); | |
489 | ||
cf2c7481 | 490 | usb_serial_port_softint(port); |
1da177e4 LT |
491 | } |
492 | ||
493 | ||
d60d4396 | 494 | static void visor_read_bulk_callback(struct urb *urb) |
1da177e4 | 495 | { |
cdc97792 | 496 | struct usb_serial_port *port = urb->context; |
1da177e4 LT |
497 | struct visor_private *priv = usb_get_serial_port_data(port); |
498 | unsigned char *data = urb->transfer_buffer; | |
38e8c910 | 499 | int status = urb->status; |
1da177e4 | 500 | struct tty_struct *tty; |
1da177e4 | 501 | int result; |
4a90f09b | 502 | int available_room = 0; |
1da177e4 | 503 | |
441b62c1 | 504 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 505 | |
38e8c910 GKH |
506 | if (status) { |
507 | dbg("%s - nonzero read bulk status received: %d", | |
441b62c1 | 508 | __func__, status); |
1da177e4 LT |
509 | return; |
510 | } | |
511 | ||
d60d4396 AC |
512 | usb_serial_debug_data(debug, &port->dev, __func__, |
513 | urb->actual_length, data); | |
1da177e4 | 514 | |
4a90f09b AC |
515 | if (urb->actual_length) { |
516 | tty = tty_port_tty_get(&port->port); | |
517 | if (tty) { | |
518 | available_room = tty_buffer_request_room(tty, | |
d60d4396 | 519 | urb->actual_length); |
4a90f09b AC |
520 | if (available_room) { |
521 | tty_insert_flip_string(tty, data, | |
522 | available_room); | |
523 | tty_flip_buffer_push(tty); | |
524 | } | |
525 | tty_kref_put(tty); | |
b308e74d ON |
526 | } |
527 | spin_lock(&priv->lock); | |
528 | priv->bytes_in += available_room; | |
529 | ||
530 | } else { | |
531 | spin_lock(&priv->lock); | |
1da177e4 | 532 | } |
1da177e4 LT |
533 | |
534 | /* Continue trying to always read if we should */ | |
b308e74d | 535 | if (!priv->throttled) { |
d60d4396 | 536 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
1da177e4 | 537 | usb_rcvbulkpipe(port->serial->dev, |
d60d4396 | 538 | port->bulk_in_endpointAddress), |
1da177e4 LT |
539 | port->read_urb->transfer_buffer, |
540 | port->read_urb->transfer_buffer_length, | |
541 | visor_read_bulk_callback, port); | |
542 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
543 | if (result) | |
d60d4396 AC |
544 | dev_err(&port->dev, |
545 | "%s - failed resubmitting read urb, error %d\n", | |
546 | __func__, result); | |
547 | } else | |
b308e74d | 548 | priv->actually_throttled = 1; |
b308e74d | 549 | spin_unlock(&priv->lock); |
1da177e4 LT |
550 | } |
551 | ||
d60d4396 | 552 | static void visor_read_int_callback(struct urb *urb) |
1da177e4 | 553 | { |
cdc97792 | 554 | struct usb_serial_port *port = urb->context; |
38e8c910 | 555 | int status = urb->status; |
1da177e4 LT |
556 | int result; |
557 | ||
38e8c910 | 558 | switch (status) { |
1da177e4 LT |
559 | case 0: |
560 | /* success */ | |
561 | break; | |
562 | case -ECONNRESET: | |
563 | case -ENOENT: | |
564 | case -ESHUTDOWN: | |
565 | /* this urb is terminated, clean up */ | |
566 | dbg("%s - urb shutting down with status: %d", | |
441b62c1 | 567 | __func__, status); |
1da177e4 LT |
568 | return; |
569 | default: | |
570 | dbg("%s - nonzero urb status received: %d", | |
441b62c1 | 571 | __func__, status); |
1da177e4 LT |
572 | goto exit; |
573 | } | |
574 | ||
575 | /* | |
576 | * This information is still unknown what it can be used for. | |
577 | * If anyone has an idea, please let the author know... | |
578 | * | |
579 | * Rumor has it this endpoint is used to notify when data | |
580 | * is ready to be read from the bulk ones. | |
581 | */ | |
441b62c1 | 582 | usb_serial_debug_data(debug, &port->dev, __func__, |
1da177e4 LT |
583 | urb->actual_length, urb->transfer_buffer); |
584 | ||
585 | exit: | |
d60d4396 | 586 | result = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 | 587 | if (result) |
d60d4396 AC |
588 | dev_err(&urb->dev->dev, |
589 | "%s - Error %d submitting interrupt urb\n", | |
590 | __func__, result); | |
1da177e4 LT |
591 | } |
592 | ||
d60d4396 | 593 | static void visor_throttle(struct tty_struct *tty) |
1da177e4 | 594 | { |
95da310e | 595 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
596 | struct visor_private *priv = usb_get_serial_port_data(port); |
597 | unsigned long flags; | |
598 | ||
441b62c1 | 599 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
600 | spin_lock_irqsave(&priv->lock, flags); |
601 | priv->throttled = 1; | |
602 | spin_unlock_irqrestore(&priv->lock, flags); | |
603 | } | |
604 | ||
605 | ||
d60d4396 | 606 | static void visor_unthrottle(struct tty_struct *tty) |
1da177e4 | 607 | { |
95da310e | 608 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
609 | struct visor_private *priv = usb_get_serial_port_data(port); |
610 | unsigned long flags; | |
611 | int result; | |
612 | ||
441b62c1 | 613 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
614 | spin_lock_irqsave(&priv->lock, flags); |
615 | priv->throttled = 0; | |
b308e74d | 616 | priv->actually_throttled = 0; |
1da177e4 LT |
617 | spin_unlock_irqrestore(&priv->lock, flags); |
618 | ||
619 | port->read_urb->dev = port->serial->dev; | |
620 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
621 | if (result) | |
d60d4396 AC |
622 | dev_err(&port->dev, |
623 | "%s - failed submitting read urb, error %d\n", | |
624 | __func__, result); | |
1da177e4 LT |
625 | } |
626 | ||
d60d4396 AC |
627 | static int palm_os_3_probe(struct usb_serial *serial, |
628 | const struct usb_device_id *id) | |
1da177e4 LT |
629 | { |
630 | struct device *dev = &serial->dev->dev; | |
631 | struct visor_connection_info *connection_info; | |
632 | unsigned char *transfer_buffer; | |
633 | char *string; | |
634 | int retval = 0; | |
635 | int i; | |
636 | int num_ports = 0; | |
637 | ||
441b62c1 | 638 | dbg("%s", __func__); |
1da177e4 | 639 | |
d60d4396 | 640 | transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); |
1da177e4 | 641 | if (!transfer_buffer) { |
441b62c1 | 642 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, |
1da177e4 LT |
643 | sizeof(*connection_info)); |
644 | return -ENOMEM; | |
645 | } | |
646 | ||
647 | /* send a get connection info request */ | |
d60d4396 | 648 | retval = usb_control_msg(serial->dev, |
1da177e4 LT |
649 | usb_rcvctrlpipe(serial->dev, 0), |
650 | VISOR_GET_CONNECTION_INFORMATION, | |
651 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
652 | sizeof(*connection_info), 300); | |
653 | if (retval < 0) { | |
654 | dev_err(dev, "%s - error %d getting connection information\n", | |
441b62c1 | 655 | __func__, retval); |
1da177e4 LT |
656 | goto exit; |
657 | } | |
658 | ||
659 | if (retval == sizeof(*connection_info)) { | |
d60d4396 AC |
660 | connection_info = (struct visor_connection_info *) |
661 | transfer_buffer; | |
1da177e4 LT |
662 | |
663 | num_ports = le16_to_cpu(connection_info->num_ports); | |
664 | for (i = 0; i < num_ports; ++i) { | |
d60d4396 AC |
665 | switch ( |
666 | connection_info->connections[i].port_function_id) { | |
667 | case VISOR_FUNCTION_GENERIC: | |
668 | string = "Generic"; | |
669 | break; | |
670 | case VISOR_FUNCTION_DEBUGGER: | |
671 | string = "Debugger"; | |
672 | break; | |
673 | case VISOR_FUNCTION_HOTSYNC: | |
674 | string = "HotSync"; | |
675 | break; | |
676 | case VISOR_FUNCTION_CONSOLE: | |
677 | string = "Console"; | |
678 | break; | |
679 | case VISOR_FUNCTION_REMOTE_FILE_SYS: | |
680 | string = "Remote File System"; | |
681 | break; | |
682 | default: | |
683 | string = "unknown"; | |
684 | break; | |
1da177e4 LT |
685 | } |
686 | dev_info(dev, "%s: port %d, is for %s use\n", | |
269bda1c | 687 | serial->type->description, |
1da177e4 LT |
688 | connection_info->connections[i].port, string); |
689 | } | |
690 | } | |
691 | /* | |
692 | * Handle devices that report invalid stuff here. | |
693 | */ | |
694 | if (num_ports == 0 || num_ports > 2) { | |
d60d4396 | 695 | dev_warn(dev, "%s: No valid connect info available\n", |
269bda1c | 696 | serial->type->description); |
1da177e4 LT |
697 | num_ports = 2; |
698 | } | |
d60d4396 | 699 | |
269bda1c | 700 | dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, |
1da177e4 LT |
701 | num_ports); |
702 | ||
703 | /* | |
704 | * save off our num_ports info so that we can use it in the | |
705 | * calc_num_ports callback | |
706 | */ | |
707 | usb_set_serial_data(serial, (void *)(long)num_ports); | |
708 | ||
d60d4396 AC |
709 | /* ask for the number of bytes available, but ignore the |
710 | response as it is broken */ | |
711 | retval = usb_control_msg(serial->dev, | |
1da177e4 LT |
712 | usb_rcvctrlpipe(serial->dev, 0), |
713 | VISOR_REQUEST_BYTES_AVAILABLE, | |
714 | 0xc2, 0x0000, 0x0005, transfer_buffer, | |
715 | 0x02, 300); | |
716 | if (retval < 0) | |
717 | dev_err(dev, "%s - error %d getting bytes available request\n", | |
441b62c1 | 718 | __func__, retval); |
1da177e4 LT |
719 | retval = 0; |
720 | ||
721 | exit: | |
d60d4396 | 722 | kfree(transfer_buffer); |
1da177e4 LT |
723 | |
724 | return retval; | |
725 | } | |
726 | ||
d60d4396 AC |
727 | static int palm_os_4_probe(struct usb_serial *serial, |
728 | const struct usb_device_id *id) | |
1da177e4 LT |
729 | { |
730 | struct device *dev = &serial->dev->dev; | |
731 | struct palm_ext_connection_info *connection_info; | |
732 | unsigned char *transfer_buffer; | |
733 | int retval; | |
734 | ||
441b62c1 | 735 | dbg("%s", __func__); |
1da177e4 | 736 | |
d60d4396 | 737 | transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); |
1da177e4 | 738 | if (!transfer_buffer) { |
441b62c1 | 739 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, |
1da177e4 LT |
740 | sizeof(*connection_info)); |
741 | return -ENOMEM; | |
742 | } | |
743 | ||
d60d4396 AC |
744 | retval = usb_control_msg(serial->dev, |
745 | usb_rcvctrlpipe(serial->dev, 0), | |
1da177e4 LT |
746 | PALM_GET_EXT_CONNECTION_INFORMATION, |
747 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
d60d4396 | 748 | sizeof(*connection_info), 300); |
1da177e4 LT |
749 | if (retval < 0) |
750 | dev_err(dev, "%s - error %d getting connection info\n", | |
441b62c1 | 751 | __func__, retval); |
1da177e4 | 752 | else |
441b62c1 | 753 | usb_serial_debug_data(debug, &serial->dev->dev, __func__, |
1da177e4 LT |
754 | retval, transfer_buffer); |
755 | ||
d60d4396 | 756 | kfree(transfer_buffer); |
1da177e4 LT |
757 | return 0; |
758 | } | |
759 | ||
760 | ||
d60d4396 AC |
761 | static int visor_probe(struct usb_serial *serial, |
762 | const struct usb_device_id *id) | |
1da177e4 LT |
763 | { |
764 | int retval = 0; | |
d60d4396 AC |
765 | int (*startup)(struct usb_serial *serial, |
766 | const struct usb_device_id *id); | |
1da177e4 | 767 | |
441b62c1 | 768 | dbg("%s", __func__); |
1da177e4 LT |
769 | |
770 | if (serial->dev->actconfig->desc.bConfigurationValue != 1) { | |
194343d9 | 771 | dev_err(&serial->dev->dev, "active config #%d != 1 ??\n", |
1da177e4 LT |
772 | serial->dev->actconfig->desc.bConfigurationValue); |
773 | return -ENODEV; | |
774 | } | |
775 | ||
776 | if (id->driver_info) { | |
777 | startup = (void *)id->driver_info; | |
778 | retval = startup(serial, id); | |
779 | } | |
780 | ||
781 | return retval; | |
782 | } | |
783 | ||
d60d4396 | 784 | static int visor_calc_num_ports(struct usb_serial *serial) |
1da177e4 LT |
785 | { |
786 | int num_ports = (int)(long)(usb_get_serial_data(serial)); | |
787 | ||
788 | if (num_ports) | |
789 | usb_set_serial_data(serial, NULL); | |
790 | ||
791 | return num_ports; | |
792 | } | |
793 | ||
794 | static int generic_startup(struct usb_serial *serial) | |
795 | { | |
bd97c4f0 | 796 | struct usb_serial_port **ports = serial->port; |
1da177e4 LT |
797 | struct visor_private *priv; |
798 | int i; | |
799 | ||
800 | for (i = 0; i < serial->num_ports; ++i) { | |
d60d4396 | 801 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
bd97c4f0 PZ |
802 | if (!priv) { |
803 | while (i-- != 0) { | |
804 | priv = usb_get_serial_port_data(ports[i]); | |
805 | usb_set_serial_port_data(ports[i], NULL); | |
806 | kfree(priv); | |
807 | } | |
1da177e4 | 808 | return -ENOMEM; |
bd97c4f0 | 809 | } |
1da177e4 | 810 | spin_lock_init(&priv->lock); |
bd97c4f0 | 811 | usb_set_serial_port_data(ports[i], priv); |
1da177e4 LT |
812 | } |
813 | return 0; | |
814 | } | |
815 | ||
d60d4396 | 816 | static int clie_3_5_startup(struct usb_serial *serial) |
1da177e4 LT |
817 | { |
818 | struct device *dev = &serial->dev->dev; | |
819 | int result; | |
820 | u8 data; | |
821 | ||
441b62c1 | 822 | dbg("%s", __func__); |
1da177e4 LT |
823 | |
824 | /* | |
825 | * Note that PEG-300 series devices expect the following two calls. | |
826 | */ | |
827 | ||
828 | /* get the config number */ | |
d60d4396 | 829 | result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
1da177e4 LT |
830 | USB_REQ_GET_CONFIGURATION, USB_DIR_IN, |
831 | 0, 0, &data, 1, 3000); | |
832 | if (result < 0) { | |
d60d4396 AC |
833 | dev_err(dev, "%s: get config number failed: %d\n", |
834 | __func__, result); | |
1da177e4 LT |
835 | return result; |
836 | } | |
837 | if (result != 1) { | |
d60d4396 AC |
838 | dev_err(dev, "%s: get config number bad return length: %d\n", |
839 | __func__, result); | |
1da177e4 LT |
840 | return -EIO; |
841 | } | |
842 | ||
843 | /* get the interface number */ | |
d60d4396 AC |
844 | result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
845 | USB_REQ_GET_INTERFACE, | |
1da177e4 LT |
846 | USB_DIR_IN | USB_RECIP_INTERFACE, |
847 | 0, 0, &data, 1, 3000); | |
848 | if (result < 0) { | |
d60d4396 AC |
849 | dev_err(dev, "%s: get interface number failed: %d\n", |
850 | __func__, result); | |
1da177e4 LT |
851 | return result; |
852 | } | |
853 | if (result != 1) { | |
d60d4396 AC |
854 | dev_err(dev, |
855 | "%s: get interface number bad return length: %d\n", | |
856 | __func__, result); | |
1da177e4 LT |
857 | return -EIO; |
858 | } | |
859 | ||
860 | return generic_startup(serial); | |
861 | } | |
d60d4396 AC |
862 | |
863 | static int treo_attach(struct usb_serial *serial) | |
1da177e4 LT |
864 | { |
865 | struct usb_serial_port *swap_port; | |
866 | ||
867 | /* Only do this endpoint hack for the Handspring devices with | |
868 | * interrupt in endpoints, which for now are the Treo devices. */ | |
d60d4396 AC |
869 | if (!((le16_to_cpu(serial->dev->descriptor.idVendor) |
870 | == HANDSPRING_VENDOR_ID) || | |
871 | (le16_to_cpu(serial->dev->descriptor.idVendor) | |
872 | == KYOCERA_VENDOR_ID)) || | |
873 | (serial->num_interrupt_in == 0)) | |
1da177e4 LT |
874 | goto generic_startup; |
875 | ||
441b62c1 | 876 | dbg("%s", __func__); |
1da177e4 LT |
877 | |
878 | /* | |
d60d4396 AC |
879 | * It appears that Treos and Kyoceras want to use the |
880 | * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, | |
881 | * so let's swap the 1st and 2nd bulk in and interrupt endpoints. | |
882 | * Note that swapping the bulk out endpoints would break lots of | |
1da177e4 LT |
883 | * apps that want to communicate on the second port. |
884 | */ | |
885 | #define COPY_PORT(dest, src) \ | |
d60d4396 AC |
886 | do { \ |
887 | dest->read_urb = src->read_urb; \ | |
888 | dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\ | |
889 | dest->bulk_in_buffer = src->bulk_in_buffer; \ | |
890 | dest->interrupt_in_urb = src->interrupt_in_urb; \ | |
891 | dest->interrupt_in_endpointAddress = \ | |
892 | src->interrupt_in_endpointAddress;\ | |
893 | dest->interrupt_in_buffer = src->interrupt_in_buffer; \ | |
894 | } while (0); | |
1da177e4 LT |
895 | |
896 | swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL); | |
897 | if (!swap_port) | |
898 | return -ENOMEM; | |
899 | COPY_PORT(swap_port, serial->port[0]); | |
900 | COPY_PORT(serial->port[0], serial->port[1]); | |
901 | COPY_PORT(serial->port[1], swap_port); | |
902 | kfree(swap_port); | |
903 | ||
904 | generic_startup: | |
905 | return generic_startup(serial); | |
906 | } | |
907 | ||
d60d4396 | 908 | static int clie_5_attach(struct usb_serial *serial) |
1da177e4 | 909 | { |
441b62c1 | 910 | dbg("%s", __func__); |
1da177e4 | 911 | |
d60d4396 AC |
912 | /* TH55 registers 2 ports. |
913 | Communication in from the UX50/TH55 uses bulk_in_endpointAddress | |
914 | from port 0. Communication out to the UX50/TH55 uses | |
915 | bulk_out_endpointAddress from port 1 | |
916 | ||
1da177e4 LT |
917 | Lets do a quick and dirty mapping |
918 | */ | |
d60d4396 | 919 | |
1da177e4 LT |
920 | /* some sanity check */ |
921 | if (serial->num_ports < 2) | |
922 | return -1; | |
d60d4396 | 923 | |
1da177e4 | 924 | /* port 0 now uses the modified endpoint Address */ |
d60d4396 AC |
925 | serial->port[0]->bulk_out_endpointAddress = |
926 | serial->port[1]->bulk_out_endpointAddress; | |
1da177e4 LT |
927 | |
928 | return generic_startup(serial); | |
929 | } | |
930 | ||
d60d4396 | 931 | static void visor_shutdown(struct usb_serial *serial) |
1da177e4 | 932 | { |
bd97c4f0 PZ |
933 | struct visor_private *priv; |
934 | int i; | |
935 | ||
441b62c1 | 936 | dbg("%s", __func__); |
bd97c4f0 PZ |
937 | |
938 | for (i = 0; i < serial->num_ports; i++) { | |
939 | priv = usb_get_serial_port_data(serial->port[i]); | |
940 | if (priv) { | |
941 | usb_set_serial_port_data(serial->port[i], NULL); | |
942 | kfree(priv); | |
943 | } | |
944 | } | |
1da177e4 LT |
945 | } |
946 | ||
d60d4396 | 947 | static int __init visor_init(void) |
1da177e4 LT |
948 | { |
949 | int i, retval; | |
950 | /* Only if parameters were passed to us */ | |
d60d4396 AC |
951 | if (vendor > 0 && product > 0) { |
952 | struct usb_device_id usb_dev_temp[] = { | |
953 | { | |
954 | USB_DEVICE(vendor, product), | |
955 | .driver_info = | |
956 | (kernel_ulong_t) &palm_os_4_probe | |
957 | } | |
958 | }; | |
1da177e4 LT |
959 | |
960 | /* Find the last entry in id_table */ | |
d60d4396 AC |
961 | for (i = 0;; i++) { |
962 | if (id_table[i].idVendor == 0) { | |
1da177e4 LT |
963 | id_table[i] = usb_dev_temp[0]; |
964 | break; | |
965 | } | |
966 | } | |
967 | /* Find the last entry in id_table_combined */ | |
d60d4396 AC |
968 | for (i = 0;; i++) { |
969 | if (id_table_combined[i].idVendor == 0) { | |
1da177e4 LT |
970 | id_table_combined[i] = usb_dev_temp[0]; |
971 | break; | |
972 | } | |
973 | } | |
c197a8db GKH |
974 | printk(KERN_INFO KBUILD_MODNAME |
975 | ": Untested USB device specified at time of module insertion\n"); | |
976 | printk(KERN_INFO KBUILD_MODNAME | |
977 | ": Warning: This is not guaranteed to work\n"); | |
978 | printk(KERN_INFO KBUILD_MODNAME | |
979 | ": Using a newer kernel is preferred to this method\n"); | |
980 | printk(KERN_INFO KBUILD_MODNAME | |
981 | ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n", | |
1da177e4 LT |
982 | vendor, product); |
983 | } | |
984 | retval = usb_serial_register(&handspring_device); | |
985 | if (retval) | |
986 | goto failed_handspring_register; | |
987 | retval = usb_serial_register(&clie_3_5_device); | |
988 | if (retval) | |
989 | goto failed_clie_3_5_register; | |
990 | retval = usb_serial_register(&clie_5_device); | |
991 | if (retval) | |
992 | goto failed_clie_5_register; | |
993 | retval = usb_register(&visor_driver); | |
d60d4396 | 994 | if (retval) |
1da177e4 | 995 | goto failed_usb_register; |
c197a8db | 996 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); |
1da177e4 LT |
997 | |
998 | return 0; | |
999 | failed_usb_register: | |
1000 | usb_serial_deregister(&clie_5_device); | |
1001 | failed_clie_5_register: | |
1002 | usb_serial_deregister(&clie_3_5_device); | |
1003 | failed_clie_3_5_register: | |
1004 | usb_serial_deregister(&handspring_device); | |
1005 | failed_handspring_register: | |
1006 | return retval; | |
1007 | } | |
1008 | ||
1009 | ||
1010 | static void __exit visor_exit (void) | |
1011 | { | |
d60d4396 AC |
1012 | usb_deregister(&visor_driver); |
1013 | usb_serial_deregister(&handspring_device); | |
1014 | usb_serial_deregister(&clie_3_5_device); | |
1015 | usb_serial_deregister(&clie_5_device); | |
1da177e4 LT |
1016 | } |
1017 | ||
1018 | ||
1019 | module_init(visor_init); | |
1020 | module_exit(visor_exit); | |
1021 | ||
d60d4396 AC |
1022 | MODULE_AUTHOR(DRIVER_AUTHOR); |
1023 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
1024 | MODULE_LICENSE("GPL"); |
1025 | ||
1026 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1027 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1028 | module_param(stats, bool, S_IRUGO | S_IWUSR); | |
1029 | MODULE_PARM_DESC(stats, "Enables statistics or not"); | |
1030 | ||
1031 | module_param(vendor, ushort, 0); | |
1032 | MODULE_PARM_DESC(vendor, "User specified vendor ID"); | |
1033 | module_param(product, ushort, 0); | |
1034 | MODULE_PARM_DESC(product, "User specified product ID"); | |
1035 |