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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 | * | |
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 GKH |
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 | ||
1da177e4 | 299 | /* Start reading from the device */ |
d60d4396 AC |
300 | usb_fill_bulk_urb(port->read_urb, serial->dev, |
301 | usb_rcvbulkpipe(serial->dev, | |
1da177e4 LT |
302 | port->bulk_in_endpointAddress), |
303 | port->read_urb->transfer_buffer, | |
304 | port->read_urb->transfer_buffer_length, | |
305 | visor_read_bulk_callback, port); | |
306 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); | |
307 | if (result) { | |
d60d4396 AC |
308 | dev_err(&port->dev, |
309 | "%s - failed submitting read urb, error %d\n", | |
310 | __func__, result); | |
1da177e4 LT |
311 | goto exit; |
312 | } | |
d60d4396 | 313 | |
1da177e4 | 314 | if (port->interrupt_in_urb) { |
441b62c1 | 315 | dbg("%s - adding interrupt input for treo", __func__); |
1da177e4 LT |
316 | result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); |
317 | if (result) | |
d60d4396 AC |
318 | dev_err(&port->dev, |
319 | "%s - failed submitting interrupt urb, error %d\n", | |
320 | __func__, result); | |
1da177e4 | 321 | } |
d60d4396 | 322 | exit: |
1da177e4 LT |
323 | return result; |
324 | } | |
325 | ||
326 | ||
95da310e | 327 | static void visor_close(struct tty_struct *tty, |
d60d4396 | 328 | struct usb_serial_port *port, struct file *filp) |
1da177e4 LT |
329 | { |
330 | struct visor_private *priv = usb_get_serial_port_data(port); | |
331 | unsigned char *transfer_buffer; | |
332 | ||
441b62c1 | 333 | dbg("%s - port %d", __func__, port->number); |
d60d4396 | 334 | |
1da177e4 LT |
335 | /* shutdown our urbs */ |
336 | usb_kill_urb(port->read_urb); | |
bcb54a54 | 337 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 | 338 | |
e33fe4d8 ON |
339 | mutex_lock(&port->serial->disc_mutex); |
340 | if (!port->serial->disconnected) { | |
341 | /* Try to send shutdown message, unless the device is gone */ | |
d60d4396 | 342 | transfer_buffer = kmalloc(0x12, GFP_KERNEL); |
e33fe4d8 | 343 | if (transfer_buffer) { |
d60d4396 | 344 | usb_control_msg(port->serial->dev, |
e33fe4d8 ON |
345 | usb_rcvctrlpipe(port->serial->dev, 0), |
346 | VISOR_CLOSE_NOTIFICATION, 0xc2, | |
347 | 0x0000, 0x0000, | |
348 | transfer_buffer, 0x12, 300); | |
d60d4396 | 349 | kfree(transfer_buffer); |
e33fe4d8 | 350 | } |
1da177e4 | 351 | } |
95bef012 | 352 | mutex_unlock(&port->serial->disc_mutex); |
1da177e4 LT |
353 | |
354 | if (stats) | |
355 | dev_info(&port->dev, "Bytes In = %d Bytes Out = %d\n", | |
356 | priv->bytes_in, priv->bytes_out); | |
357 | } | |
358 | ||
359 | ||
95da310e AC |
360 | static int visor_write(struct tty_struct *tty, struct usb_serial_port *port, |
361 | const unsigned char *buf, int count) | |
1da177e4 LT |
362 | { |
363 | struct visor_private *priv = usb_get_serial_port_data(port); | |
364 | struct usb_serial *serial = port->serial; | |
365 | struct urb *urb; | |
366 | unsigned char *buffer; | |
367 | unsigned long flags; | |
368 | int status; | |
369 | ||
441b62c1 | 370 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
371 | |
372 | spin_lock_irqsave(&priv->lock, flags); | |
373 | if (priv->outstanding_urbs > URB_UPPER_LIMIT) { | |
374 | spin_unlock_irqrestore(&priv->lock, flags); | |
441b62c1 | 375 | dbg("%s - write limit hit\n", __func__); |
1da177e4 LT |
376 | return 0; |
377 | } | |
b80349b1 | 378 | priv->outstanding_urbs++; |
1da177e4 LT |
379 | spin_unlock_irqrestore(&priv->lock, flags); |
380 | ||
d60d4396 | 381 | buffer = kmalloc(count, GFP_ATOMIC); |
1da177e4 LT |
382 | if (!buffer) { |
383 | dev_err(&port->dev, "out of memory\n"); | |
b80349b1 ON |
384 | count = -ENOMEM; |
385 | goto error_no_buffer; | |
1da177e4 LT |
386 | } |
387 | ||
388 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
389 | if (!urb) { | |
390 | dev_err(&port->dev, "no more free urbs\n"); | |
b80349b1 ON |
391 | count = -ENOMEM; |
392 | goto error_no_urb; | |
1da177e4 LT |
393 | } |
394 | ||
d60d4396 | 395 | memcpy(buffer, buf, count); |
1da177e4 | 396 | |
441b62c1 | 397 | usb_serial_debug_data(debug, &port->dev, __func__, count, buffer); |
1da177e4 | 398 | |
d60d4396 AC |
399 | usb_fill_bulk_urb(urb, serial->dev, |
400 | usb_sndbulkpipe(serial->dev, | |
1da177e4 | 401 | port->bulk_out_endpointAddress), |
d60d4396 | 402 | buffer, count, |
1da177e4 LT |
403 | visor_write_bulk_callback, port); |
404 | ||
405 | /* send it down the pipe */ | |
406 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
407 | if (status) { | |
d60d4396 AC |
408 | dev_err(&port->dev, |
409 | "%s - usb_submit_urb(write bulk) failed with status = %d\n", | |
410 | __func__, status); | |
1da177e4 | 411 | count = status; |
b80349b1 | 412 | goto error; |
1da177e4 LT |
413 | } else { |
414 | spin_lock_irqsave(&priv->lock, flags); | |
1da177e4 LT |
415 | priv->bytes_out += count; |
416 | spin_unlock_irqrestore(&priv->lock, flags); | |
417 | } | |
418 | ||
419 | /* we are done with this urb, so let the host driver | |
420 | * really free it when it is finished with it */ | |
b80349b1 | 421 | usb_free_urb(urb); |
1da177e4 | 422 | |
b80349b1 ON |
423 | return count; |
424 | error: | |
425 | usb_free_urb(urb); | |
426 | error_no_urb: | |
427 | kfree(buffer); | |
428 | error_no_buffer: | |
429 | spin_lock_irqsave(&priv->lock, flags); | |
430 | --priv->outstanding_urbs; | |
431 | spin_unlock_irqrestore(&priv->lock, flags); | |
1da177e4 LT |
432 | return count; |
433 | } | |
434 | ||
435 | ||
d60d4396 | 436 | static int visor_write_room(struct tty_struct *tty) |
1da177e4 | 437 | { |
95da310e | 438 | struct usb_serial_port *port = tty->driver_data; |
bd97c4f0 PZ |
439 | struct visor_private *priv = usb_get_serial_port_data(port); |
440 | unsigned long flags; | |
441 | ||
441b62c1 | 442 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
443 | |
444 | /* | |
445 | * We really can take anything the user throws at us | |
446 | * but let's pick a nice big number to tell the tty | |
bd97c4f0 | 447 | * layer that we have lots of free space, unless we don't. |
1da177e4 | 448 | */ |
bd97c4f0 PZ |
449 | |
450 | spin_lock_irqsave(&priv->lock, flags); | |
451 | if (priv->outstanding_urbs > URB_UPPER_LIMIT * 2 / 3) { | |
452 | spin_unlock_irqrestore(&priv->lock, flags); | |
441b62c1 | 453 | dbg("%s - write limit hit\n", __func__); |
bd97c4f0 PZ |
454 | return 0; |
455 | } | |
456 | spin_unlock_irqrestore(&priv->lock, flags); | |
457 | ||
1da177e4 LT |
458 | return 2048; |
459 | } | |
460 | ||
461 | ||
d60d4396 | 462 | static void visor_write_bulk_callback(struct urb *urb) |
1da177e4 | 463 | { |
cdc97792 | 464 | struct usb_serial_port *port = urb->context; |
1da177e4 | 465 | struct visor_private *priv = usb_get_serial_port_data(port); |
38e8c910 | 466 | int status = urb->status; |
1da177e4 LT |
467 | unsigned long flags; |
468 | ||
469 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
d60d4396 | 470 | kfree(urb->transfer_buffer); |
1da177e4 | 471 | |
441b62c1 | 472 | dbg("%s - port %d", __func__, port->number); |
38e8c910 GKH |
473 | |
474 | if (status) | |
1da177e4 | 475 | dbg("%s - nonzero write bulk status received: %d", |
441b62c1 | 476 | __func__, status); |
1da177e4 LT |
477 | |
478 | spin_lock_irqsave(&priv->lock, flags); | |
479 | --priv->outstanding_urbs; | |
480 | spin_unlock_irqrestore(&priv->lock, flags); | |
481 | ||
cf2c7481 | 482 | usb_serial_port_softint(port); |
1da177e4 LT |
483 | } |
484 | ||
485 | ||
d60d4396 | 486 | static void visor_read_bulk_callback(struct urb *urb) |
1da177e4 | 487 | { |
cdc97792 | 488 | struct usb_serial_port *port = urb->context; |
1da177e4 LT |
489 | struct visor_private *priv = usb_get_serial_port_data(port); |
490 | unsigned char *data = urb->transfer_buffer; | |
38e8c910 | 491 | int status = urb->status; |
1da177e4 | 492 | struct tty_struct *tty; |
1da177e4 | 493 | int result; |
4a90f09b | 494 | int available_room = 0; |
1da177e4 | 495 | |
441b62c1 | 496 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 497 | |
38e8c910 GKH |
498 | if (status) { |
499 | dbg("%s - nonzero read bulk status received: %d", | |
441b62c1 | 500 | __func__, status); |
1da177e4 LT |
501 | return; |
502 | } | |
503 | ||
d60d4396 AC |
504 | usb_serial_debug_data(debug, &port->dev, __func__, |
505 | urb->actual_length, data); | |
1da177e4 | 506 | |
4a90f09b AC |
507 | if (urb->actual_length) { |
508 | tty = tty_port_tty_get(&port->port); | |
509 | if (tty) { | |
510 | available_room = tty_buffer_request_room(tty, | |
d60d4396 | 511 | urb->actual_length); |
4a90f09b AC |
512 | if (available_room) { |
513 | tty_insert_flip_string(tty, data, | |
514 | available_room); | |
515 | tty_flip_buffer_push(tty); | |
516 | } | |
517 | tty_kref_put(tty); | |
b308e74d ON |
518 | } |
519 | spin_lock(&priv->lock); | |
520 | priv->bytes_in += available_room; | |
521 | ||
522 | } else { | |
523 | spin_lock(&priv->lock); | |
1da177e4 | 524 | } |
1da177e4 LT |
525 | |
526 | /* Continue trying to always read if we should */ | |
b308e74d | 527 | if (!priv->throttled) { |
d60d4396 | 528 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
1da177e4 | 529 | usb_rcvbulkpipe(port->serial->dev, |
d60d4396 | 530 | port->bulk_in_endpointAddress), |
1da177e4 LT |
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) | |
d60d4396 AC |
536 | dev_err(&port->dev, |
537 | "%s - failed resubmitting read urb, error %d\n", | |
538 | __func__, result); | |
539 | } else | |
b308e74d | 540 | priv->actually_throttled = 1; |
b308e74d | 541 | spin_unlock(&priv->lock); |
1da177e4 LT |
542 | } |
543 | ||
d60d4396 | 544 | static void visor_read_int_callback(struct urb *urb) |
1da177e4 | 545 | { |
cdc97792 | 546 | struct usb_serial_port *port = urb->context; |
38e8c910 | 547 | int status = urb->status; |
1da177e4 LT |
548 | int result; |
549 | ||
38e8c910 | 550 | switch (status) { |
1da177e4 LT |
551 | case 0: |
552 | /* success */ | |
553 | break; | |
554 | case -ECONNRESET: | |
555 | case -ENOENT: | |
556 | case -ESHUTDOWN: | |
557 | /* this urb is terminated, clean up */ | |
558 | dbg("%s - urb shutting down with status: %d", | |
441b62c1 | 559 | __func__, status); |
1da177e4 LT |
560 | return; |
561 | default: | |
562 | dbg("%s - nonzero urb status received: %d", | |
441b62c1 | 563 | __func__, status); |
1da177e4 LT |
564 | goto exit; |
565 | } | |
566 | ||
567 | /* | |
568 | * This information is still unknown what it can be used for. | |
569 | * If anyone has an idea, please let the author know... | |
570 | * | |
571 | * Rumor has it this endpoint is used to notify when data | |
572 | * is ready to be read from the bulk ones. | |
573 | */ | |
441b62c1 | 574 | usb_serial_debug_data(debug, &port->dev, __func__, |
1da177e4 LT |
575 | urb->actual_length, urb->transfer_buffer); |
576 | ||
577 | exit: | |
d60d4396 | 578 | result = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 | 579 | if (result) |
d60d4396 AC |
580 | dev_err(&urb->dev->dev, |
581 | "%s - Error %d submitting interrupt urb\n", | |
582 | __func__, result); | |
1da177e4 LT |
583 | } |
584 | ||
d60d4396 | 585 | static void visor_throttle(struct tty_struct *tty) |
1da177e4 | 586 | { |
95da310e | 587 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
588 | struct visor_private *priv = usb_get_serial_port_data(port); |
589 | unsigned long flags; | |
590 | ||
441b62c1 | 591 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
592 | spin_lock_irqsave(&priv->lock, flags); |
593 | priv->throttled = 1; | |
594 | spin_unlock_irqrestore(&priv->lock, flags); | |
595 | } | |
596 | ||
597 | ||
d60d4396 | 598 | static void visor_unthrottle(struct tty_struct *tty) |
1da177e4 | 599 | { |
95da310e | 600 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
601 | struct visor_private *priv = usb_get_serial_port_data(port); |
602 | unsigned long flags; | |
603 | int result; | |
604 | ||
441b62c1 | 605 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
606 | spin_lock_irqsave(&priv->lock, flags); |
607 | priv->throttled = 0; | |
b308e74d | 608 | priv->actually_throttled = 0; |
1da177e4 LT |
609 | spin_unlock_irqrestore(&priv->lock, flags); |
610 | ||
611 | port->read_urb->dev = port->serial->dev; | |
612 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
613 | if (result) | |
d60d4396 AC |
614 | dev_err(&port->dev, |
615 | "%s - failed submitting read urb, error %d\n", | |
616 | __func__, result); | |
1da177e4 LT |
617 | } |
618 | ||
d60d4396 AC |
619 | static int palm_os_3_probe(struct usb_serial *serial, |
620 | const struct usb_device_id *id) | |
1da177e4 LT |
621 | { |
622 | struct device *dev = &serial->dev->dev; | |
623 | struct visor_connection_info *connection_info; | |
624 | unsigned char *transfer_buffer; | |
625 | char *string; | |
626 | int retval = 0; | |
627 | int i; | |
628 | int num_ports = 0; | |
629 | ||
441b62c1 | 630 | dbg("%s", __func__); |
1da177e4 | 631 | |
d60d4396 | 632 | transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); |
1da177e4 | 633 | if (!transfer_buffer) { |
441b62c1 | 634 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, |
1da177e4 LT |
635 | sizeof(*connection_info)); |
636 | return -ENOMEM; | |
637 | } | |
638 | ||
639 | /* send a get connection info request */ | |
d60d4396 | 640 | retval = usb_control_msg(serial->dev, |
1da177e4 LT |
641 | usb_rcvctrlpipe(serial->dev, 0), |
642 | VISOR_GET_CONNECTION_INFORMATION, | |
643 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
644 | sizeof(*connection_info), 300); | |
645 | if (retval < 0) { | |
646 | dev_err(dev, "%s - error %d getting connection information\n", | |
441b62c1 | 647 | __func__, retval); |
1da177e4 LT |
648 | goto exit; |
649 | } | |
650 | ||
651 | if (retval == sizeof(*connection_info)) { | |
d60d4396 AC |
652 | connection_info = (struct visor_connection_info *) |
653 | transfer_buffer; | |
1da177e4 LT |
654 | |
655 | num_ports = le16_to_cpu(connection_info->num_ports); | |
656 | for (i = 0; i < num_ports; ++i) { | |
d60d4396 AC |
657 | switch ( |
658 | connection_info->connections[i].port_function_id) { | |
659 | case VISOR_FUNCTION_GENERIC: | |
660 | string = "Generic"; | |
661 | break; | |
662 | case VISOR_FUNCTION_DEBUGGER: | |
663 | string = "Debugger"; | |
664 | break; | |
665 | case VISOR_FUNCTION_HOTSYNC: | |
666 | string = "HotSync"; | |
667 | break; | |
668 | case VISOR_FUNCTION_CONSOLE: | |
669 | string = "Console"; | |
670 | break; | |
671 | case VISOR_FUNCTION_REMOTE_FILE_SYS: | |
672 | string = "Remote File System"; | |
673 | break; | |
674 | default: | |
675 | string = "unknown"; | |
676 | break; | |
1da177e4 LT |
677 | } |
678 | dev_info(dev, "%s: port %d, is for %s use\n", | |
269bda1c | 679 | serial->type->description, |
1da177e4 LT |
680 | connection_info->connections[i].port, string); |
681 | } | |
682 | } | |
683 | /* | |
684 | * Handle devices that report invalid stuff here. | |
685 | */ | |
686 | if (num_ports == 0 || num_ports > 2) { | |
d60d4396 | 687 | dev_warn(dev, "%s: No valid connect info available\n", |
269bda1c | 688 | serial->type->description); |
1da177e4 LT |
689 | num_ports = 2; |
690 | } | |
d60d4396 | 691 | |
269bda1c | 692 | dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, |
1da177e4 LT |
693 | num_ports); |
694 | ||
695 | /* | |
696 | * save off our num_ports info so that we can use it in the | |
697 | * calc_num_ports callback | |
698 | */ | |
699 | usb_set_serial_data(serial, (void *)(long)num_ports); | |
700 | ||
d60d4396 AC |
701 | /* ask for the number of bytes available, but ignore the |
702 | response as it is broken */ | |
703 | retval = usb_control_msg(serial->dev, | |
1da177e4 LT |
704 | usb_rcvctrlpipe(serial->dev, 0), |
705 | VISOR_REQUEST_BYTES_AVAILABLE, | |
706 | 0xc2, 0x0000, 0x0005, transfer_buffer, | |
707 | 0x02, 300); | |
708 | if (retval < 0) | |
709 | dev_err(dev, "%s - error %d getting bytes available request\n", | |
441b62c1 | 710 | __func__, retval); |
1da177e4 LT |
711 | retval = 0; |
712 | ||
713 | exit: | |
d60d4396 | 714 | kfree(transfer_buffer); |
1da177e4 LT |
715 | |
716 | return retval; | |
717 | } | |
718 | ||
d60d4396 AC |
719 | static int palm_os_4_probe(struct usb_serial *serial, |
720 | const struct usb_device_id *id) | |
1da177e4 LT |
721 | { |
722 | struct device *dev = &serial->dev->dev; | |
723 | struct palm_ext_connection_info *connection_info; | |
724 | unsigned char *transfer_buffer; | |
725 | int retval; | |
726 | ||
441b62c1 | 727 | dbg("%s", __func__); |
1da177e4 | 728 | |
d60d4396 | 729 | transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); |
1da177e4 | 730 | if (!transfer_buffer) { |
441b62c1 | 731 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, |
1da177e4 LT |
732 | sizeof(*connection_info)); |
733 | return -ENOMEM; | |
734 | } | |
735 | ||
d60d4396 AC |
736 | retval = usb_control_msg(serial->dev, |
737 | usb_rcvctrlpipe(serial->dev, 0), | |
1da177e4 LT |
738 | PALM_GET_EXT_CONNECTION_INFORMATION, |
739 | 0xc2, 0x0000, 0x0000, transfer_buffer, | |
d60d4396 | 740 | sizeof(*connection_info), 300); |
1da177e4 LT |
741 | if (retval < 0) |
742 | dev_err(dev, "%s - error %d getting connection info\n", | |
441b62c1 | 743 | __func__, retval); |
1da177e4 | 744 | else |
441b62c1 | 745 | usb_serial_debug_data(debug, &serial->dev->dev, __func__, |
1da177e4 LT |
746 | retval, transfer_buffer); |
747 | ||
d60d4396 | 748 | kfree(transfer_buffer); |
1da177e4 LT |
749 | return 0; |
750 | } | |
751 | ||
752 | ||
d60d4396 AC |
753 | static int visor_probe(struct usb_serial *serial, |
754 | const struct usb_device_id *id) | |
1da177e4 LT |
755 | { |
756 | int retval = 0; | |
d60d4396 AC |
757 | int (*startup)(struct usb_serial *serial, |
758 | const struct usb_device_id *id); | |
1da177e4 | 759 | |
441b62c1 | 760 | dbg("%s", __func__); |
1da177e4 LT |
761 | |
762 | if (serial->dev->actconfig->desc.bConfigurationValue != 1) { | |
194343d9 | 763 | dev_err(&serial->dev->dev, "active config #%d != 1 ??\n", |
1da177e4 LT |
764 | serial->dev->actconfig->desc.bConfigurationValue); |
765 | return -ENODEV; | |
766 | } | |
767 | ||
768 | if (id->driver_info) { | |
769 | startup = (void *)id->driver_info; | |
770 | retval = startup(serial, id); | |
771 | } | |
772 | ||
773 | return retval; | |
774 | } | |
775 | ||
d60d4396 | 776 | static int visor_calc_num_ports(struct usb_serial *serial) |
1da177e4 LT |
777 | { |
778 | int num_ports = (int)(long)(usb_get_serial_data(serial)); | |
779 | ||
780 | if (num_ports) | |
781 | usb_set_serial_data(serial, NULL); | |
782 | ||
783 | return num_ports; | |
784 | } | |
785 | ||
786 | static int generic_startup(struct usb_serial *serial) | |
787 | { | |
bd97c4f0 | 788 | struct usb_serial_port **ports = serial->port; |
1da177e4 LT |
789 | struct visor_private *priv; |
790 | int i; | |
791 | ||
792 | for (i = 0; i < serial->num_ports; ++i) { | |
d60d4396 | 793 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
bd97c4f0 PZ |
794 | if (!priv) { |
795 | while (i-- != 0) { | |
796 | priv = usb_get_serial_port_data(ports[i]); | |
797 | usb_set_serial_port_data(ports[i], NULL); | |
798 | kfree(priv); | |
799 | } | |
1da177e4 | 800 | return -ENOMEM; |
bd97c4f0 | 801 | } |
1da177e4 | 802 | spin_lock_init(&priv->lock); |
bd97c4f0 | 803 | usb_set_serial_port_data(ports[i], priv); |
1da177e4 LT |
804 | } |
805 | return 0; | |
806 | } | |
807 | ||
d60d4396 | 808 | static int clie_3_5_startup(struct usb_serial *serial) |
1da177e4 LT |
809 | { |
810 | struct device *dev = &serial->dev->dev; | |
811 | int result; | |
812 | u8 data; | |
813 | ||
441b62c1 | 814 | dbg("%s", __func__); |
1da177e4 LT |
815 | |
816 | /* | |
817 | * Note that PEG-300 series devices expect the following two calls. | |
818 | */ | |
819 | ||
820 | /* get the config number */ | |
d60d4396 | 821 | result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
1da177e4 LT |
822 | USB_REQ_GET_CONFIGURATION, USB_DIR_IN, |
823 | 0, 0, &data, 1, 3000); | |
824 | if (result < 0) { | |
d60d4396 AC |
825 | dev_err(dev, "%s: get config number failed: %d\n", |
826 | __func__, result); | |
1da177e4 LT |
827 | return result; |
828 | } | |
829 | if (result != 1) { | |
d60d4396 AC |
830 | dev_err(dev, "%s: get config number bad return length: %d\n", |
831 | __func__, result); | |
1da177e4 LT |
832 | return -EIO; |
833 | } | |
834 | ||
835 | /* get the interface number */ | |
d60d4396 AC |
836 | result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
837 | USB_REQ_GET_INTERFACE, | |
1da177e4 LT |
838 | USB_DIR_IN | USB_RECIP_INTERFACE, |
839 | 0, 0, &data, 1, 3000); | |
840 | if (result < 0) { | |
d60d4396 AC |
841 | dev_err(dev, "%s: get interface number failed: %d\n", |
842 | __func__, result); | |
1da177e4 LT |
843 | return result; |
844 | } | |
845 | if (result != 1) { | |
d60d4396 AC |
846 | dev_err(dev, |
847 | "%s: get interface number bad return length: %d\n", | |
848 | __func__, result); | |
1da177e4 LT |
849 | return -EIO; |
850 | } | |
851 | ||
852 | return generic_startup(serial); | |
853 | } | |
d60d4396 AC |
854 | |
855 | static int treo_attach(struct usb_serial *serial) | |
1da177e4 LT |
856 | { |
857 | struct usb_serial_port *swap_port; | |
858 | ||
859 | /* Only do this endpoint hack for the Handspring devices with | |
860 | * interrupt in endpoints, which for now are the Treo devices. */ | |
d60d4396 AC |
861 | if (!((le16_to_cpu(serial->dev->descriptor.idVendor) |
862 | == HANDSPRING_VENDOR_ID) || | |
863 | (le16_to_cpu(serial->dev->descriptor.idVendor) | |
864 | == KYOCERA_VENDOR_ID)) || | |
865 | (serial->num_interrupt_in == 0)) | |
1da177e4 LT |
866 | goto generic_startup; |
867 | ||
441b62c1 | 868 | dbg("%s", __func__); |
1da177e4 LT |
869 | |
870 | /* | |
d60d4396 AC |
871 | * It appears that Treos and Kyoceras want to use the |
872 | * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, | |
873 | * so let's swap the 1st and 2nd bulk in and interrupt endpoints. | |
874 | * Note that swapping the bulk out endpoints would break lots of | |
1da177e4 LT |
875 | * apps that want to communicate on the second port. |
876 | */ | |
877 | #define COPY_PORT(dest, src) \ | |
d60d4396 AC |
878 | do { \ |
879 | dest->read_urb = src->read_urb; \ | |
880 | dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\ | |
881 | dest->bulk_in_buffer = src->bulk_in_buffer; \ | |
882 | dest->interrupt_in_urb = src->interrupt_in_urb; \ | |
883 | dest->interrupt_in_endpointAddress = \ | |
884 | src->interrupt_in_endpointAddress;\ | |
885 | dest->interrupt_in_buffer = src->interrupt_in_buffer; \ | |
886 | } while (0); | |
1da177e4 LT |
887 | |
888 | swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL); | |
889 | if (!swap_port) | |
890 | return -ENOMEM; | |
891 | COPY_PORT(swap_port, serial->port[0]); | |
892 | COPY_PORT(serial->port[0], serial->port[1]); | |
893 | COPY_PORT(serial->port[1], swap_port); | |
894 | kfree(swap_port); | |
895 | ||
896 | generic_startup: | |
897 | return generic_startup(serial); | |
898 | } | |
899 | ||
d60d4396 | 900 | static int clie_5_attach(struct usb_serial *serial) |
1da177e4 | 901 | { |
441b62c1 | 902 | dbg("%s", __func__); |
1da177e4 | 903 | |
d60d4396 AC |
904 | /* TH55 registers 2 ports. |
905 | Communication in from the UX50/TH55 uses bulk_in_endpointAddress | |
906 | from port 0. Communication out to the UX50/TH55 uses | |
907 | bulk_out_endpointAddress from port 1 | |
908 | ||
1da177e4 LT |
909 | Lets do a quick and dirty mapping |
910 | */ | |
d60d4396 | 911 | |
1da177e4 LT |
912 | /* some sanity check */ |
913 | if (serial->num_ports < 2) | |
914 | return -1; | |
d60d4396 | 915 | |
1da177e4 | 916 | /* port 0 now uses the modified endpoint Address */ |
d60d4396 AC |
917 | serial->port[0]->bulk_out_endpointAddress = |
918 | serial->port[1]->bulk_out_endpointAddress; | |
1da177e4 LT |
919 | |
920 | return generic_startup(serial); | |
921 | } | |
922 | ||
d60d4396 | 923 | static void visor_shutdown(struct usb_serial *serial) |
1da177e4 | 924 | { |
bd97c4f0 PZ |
925 | struct visor_private *priv; |
926 | int i; | |
927 | ||
441b62c1 | 928 | dbg("%s", __func__); |
bd97c4f0 PZ |
929 | |
930 | for (i = 0; i < serial->num_ports; i++) { | |
931 | priv = usb_get_serial_port_data(serial->port[i]); | |
932 | if (priv) { | |
933 | usb_set_serial_port_data(serial->port[i], NULL); | |
934 | kfree(priv); | |
935 | } | |
936 | } | |
1da177e4 LT |
937 | } |
938 | ||
d60d4396 | 939 | static int __init visor_init(void) |
1da177e4 LT |
940 | { |
941 | int i, retval; | |
942 | /* Only if parameters were passed to us */ | |
d60d4396 AC |
943 | if (vendor > 0 && product > 0) { |
944 | struct usb_device_id usb_dev_temp[] = { | |
945 | { | |
946 | USB_DEVICE(vendor, product), | |
947 | .driver_info = | |
948 | (kernel_ulong_t) &palm_os_4_probe | |
949 | } | |
950 | }; | |
1da177e4 LT |
951 | |
952 | /* Find the last entry in id_table */ | |
d60d4396 AC |
953 | for (i = 0;; i++) { |
954 | if (id_table[i].idVendor == 0) { | |
1da177e4 LT |
955 | id_table[i] = usb_dev_temp[0]; |
956 | break; | |
957 | } | |
958 | } | |
959 | /* Find the last entry in id_table_combined */ | |
d60d4396 AC |
960 | for (i = 0;; i++) { |
961 | if (id_table_combined[i].idVendor == 0) { | |
1da177e4 LT |
962 | id_table_combined[i] = usb_dev_temp[0]; |
963 | break; | |
964 | } | |
965 | } | |
c197a8db GKH |
966 | printk(KERN_INFO KBUILD_MODNAME |
967 | ": Untested USB device specified at time of module insertion\n"); | |
968 | printk(KERN_INFO KBUILD_MODNAME | |
969 | ": Warning: This is not guaranteed to work\n"); | |
970 | printk(KERN_INFO KBUILD_MODNAME | |
971 | ": Using a newer kernel is preferred to this method\n"); | |
972 | printk(KERN_INFO KBUILD_MODNAME | |
973 | ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n", | |
1da177e4 LT |
974 | vendor, product); |
975 | } | |
976 | retval = usb_serial_register(&handspring_device); | |
977 | if (retval) | |
978 | goto failed_handspring_register; | |
979 | retval = usb_serial_register(&clie_3_5_device); | |
980 | if (retval) | |
981 | goto failed_clie_3_5_register; | |
982 | retval = usb_serial_register(&clie_5_device); | |
983 | if (retval) | |
984 | goto failed_clie_5_register; | |
985 | retval = usb_register(&visor_driver); | |
d60d4396 | 986 | if (retval) |
1da177e4 | 987 | goto failed_usb_register; |
c197a8db | 988 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); |
1da177e4 LT |
989 | |
990 | return 0; | |
991 | failed_usb_register: | |
992 | usb_serial_deregister(&clie_5_device); | |
993 | failed_clie_5_register: | |
994 | usb_serial_deregister(&clie_3_5_device); | |
995 | failed_clie_3_5_register: | |
996 | usb_serial_deregister(&handspring_device); | |
997 | failed_handspring_register: | |
998 | return retval; | |
999 | } | |
1000 | ||
1001 | ||
1002 | static void __exit visor_exit (void) | |
1003 | { | |
d60d4396 AC |
1004 | usb_deregister(&visor_driver); |
1005 | usb_serial_deregister(&handspring_device); | |
1006 | usb_serial_deregister(&clie_3_5_device); | |
1007 | usb_serial_deregister(&clie_5_device); | |
1da177e4 LT |
1008 | } |
1009 | ||
1010 | ||
1011 | module_init(visor_init); | |
1012 | module_exit(visor_exit); | |
1013 | ||
d60d4396 AC |
1014 | MODULE_AUTHOR(DRIVER_AUTHOR); |
1015 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
1016 | MODULE_LICENSE("GPL"); |
1017 | ||
1018 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1019 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
1020 | module_param(stats, bool, S_IRUGO | S_IWUSR); | |
1021 | MODULE_PARM_DESC(stats, "Enables statistics or not"); | |
1022 | ||
1023 | module_param(vendor, ushort, 0); | |
1024 | MODULE_PARM_DESC(vendor, "User specified vendor ID"); | |
1025 | module_param(product, ushort, 0); | |
1026 | MODULE_PARM_DESC(product, "User specified product ID"); | |
1027 |