Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | * |
Greg Kroah-Hartman | 4d0dce3 | 2007-06-12 11:43:37 -0700 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | * |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 12 | * See Documentation/usb/usb-serial.txt for more information on using this |
| 13 | * driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | */ |
| 16 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 27 | #include <linux/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 29 | #include <linux/usb/serial.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include "visor.h" |
| 31 | |
| 32 | /* |
| 33 | * Version Information |
| 34 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | static int visor_calc_num_ports(struct usb_serial *serial); |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 }, |
Hendrik Schweppe | 04d5246 | 2006-02-19 19:00:04 +0100 | [diff] [blame] | 75 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID), |
| 76 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 }, |
gregkh@suse.de | ac21e9f | 2005-04-18 17:39:20 -0700 | [diff] [blame] | 93 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650), |
| 94 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID), |
| 96 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 }, |
Maximilian Attems | c8ba84a | 2007-08-04 10:19:41 +0200 | [diff] [blame] | 111 | { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID), |
| 112 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 113 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 115 | { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Larry Battraw | 115c1ce | 2005-04-18 17:39:20 -0700 | [diff] [blame] | 117 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID), |
| 118 | .driver_info = (kernel_ulong_t)&palm_os_4_probe }, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 119 | { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) }, |
Hendrik Schweppe | 04d5246 | 2006-02-19 19:00:04 +0100 | [diff] [blame] | 147 | { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) }, |
gregkh@suse.de | ac21e9f | 2005-04-18 17:39:20 -0700 | [diff] [blame] | 156 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) }, |
Larry Battraw | 115c1ce | 2005-04-18 17:39:20 -0700 | [diff] [blame] | 169 | { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 178 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | |
| 180 | static struct usb_driver visor_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | .name = "visor", |
| 182 | .probe = usb_serial_probe, |
| 183 | .disconnect = usb_serial_disconnect, |
| 184 | .id_table = id_table_combined, |
Greg Kroah-Hartman | ba9dc65 | 2005-11-16 13:41:28 -0800 | [diff] [blame] | 185 | .no_dynamic_id = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | }; |
| 187 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 188 | /* All of the device info needed for the Handspring Visor, |
| 189 | and Palm 4.0 devices */ |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 190 | static struct usb_serial_driver handspring_device = { |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 191 | .driver = { |
| 192 | .owner = THIS_MODULE, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 193 | .name = "visor", |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 194 | }, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 195 | .description = "Handspring Visor / Palm OS", |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 196 | .usb_driver = &visor_driver, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | .id_table = id_table, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | .write = visor_write, |
| 208 | .write_room = visor_write_room, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 215 | static struct usb_serial_driver clie_5_device = { |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 216 | .driver = { |
| 217 | .owner = THIS_MODULE, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 218 | .name = "clie_5", |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 219 | }, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 220 | .description = "Sony Clie 5.0", |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 221 | .usb_driver = &visor_driver, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | .id_table = clie_id_5_table, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | .write = visor_write, |
| 233 | .write_room = visor_write_room, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 240 | static struct usb_serial_driver clie_3_5_device = { |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 241 | .driver = { |
| 242 | .owner = THIS_MODULE, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 243 | .name = "clie_3.5", |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 244 | }, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 245 | .description = "Sony Clie 3.5", |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 246 | .usb_driver = &visor_driver, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | .id_table = clie_id_3_5_table, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | .write = visor_write, |
| 255 | .write_room = visor_write_room, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Oliver Neukum | b308e74 | 2007-05-07 10:37:08 +0200 | [diff] [blame] | 265 | unsigned char throttled; |
| 266 | unsigned char actually_throttled; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | ******************************************************************************/ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 277 | static int visor_open(struct tty_struct *tty, struct usb_serial_port *port, |
| 278 | struct file *filp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 285 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 304 | if (tty) |
| 305 | tty->low_latency = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | |
| 307 | /* Start reading from the device */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 308 | usb_fill_bulk_urb(port->read_urb, serial->dev, |
| 309 | usb_rcvbulkpipe(serial->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 316 | dev_err(&port->dev, |
| 317 | "%s - failed submitting read urb, error %d\n", |
| 318 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | goto exit; |
| 320 | } |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 321 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | if (port->interrupt_in_urb) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 323 | dbg("%s - adding interrupt input for treo", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); |
| 325 | if (result) |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 326 | dev_err(&port->dev, |
| 327 | "%s - failed submitting interrupt urb, error %d\n", |
| 328 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | } |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 330 | exit: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | return result; |
| 332 | } |
| 333 | |
| 334 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 335 | static void visor_close(struct tty_struct *tty, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 336 | struct usb_serial_port *port, struct file *filp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | { |
| 338 | struct visor_private *priv = usb_get_serial_port_data(port); |
| 339 | unsigned char *transfer_buffer; |
| 340 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 341 | dbg("%s - port %d", __func__, port->number); |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 342 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | /* shutdown our urbs */ |
| 344 | usb_kill_urb(port->read_urb); |
Mariusz Kozlowski | bcb54a5 | 2006-11-08 15:36:55 +0100 | [diff] [blame] | 345 | usb_kill_urb(port->interrupt_in_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | |
Oliver Neukum | e33fe4d | 2008-01-21 17:44:10 +0100 | [diff] [blame] | 347 | mutex_lock(&port->serial->disc_mutex); |
| 348 | if (!port->serial->disconnected) { |
| 349 | /* Try to send shutdown message, unless the device is gone */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 350 | transfer_buffer = kmalloc(0x12, GFP_KERNEL); |
Oliver Neukum | e33fe4d | 2008-01-21 17:44:10 +0100 | [diff] [blame] | 351 | if (transfer_buffer) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 352 | usb_control_msg(port->serial->dev, |
Oliver Neukum | e33fe4d | 2008-01-21 17:44:10 +0100 | [diff] [blame] | 353 | usb_rcvctrlpipe(port->serial->dev, 0), |
| 354 | VISOR_CLOSE_NOTIFICATION, 0xc2, |
| 355 | 0x0000, 0x0000, |
| 356 | transfer_buffer, 0x12, 300); |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 357 | kfree(transfer_buffer); |
Oliver Neukum | e33fe4d | 2008-01-21 17:44:10 +0100 | [diff] [blame] | 358 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | } |
Oliver Neukum | 95bef01 | 2008-01-22 13:56:18 +0100 | [diff] [blame] | 360 | mutex_unlock(&port->serial->disc_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 368 | static int visor_write(struct tty_struct *tty, struct usb_serial_port *port, |
| 369 | const unsigned char *buf, int count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 378 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | |
| 380 | spin_lock_irqsave(&priv->lock, flags); |
| 381 | if (priv->outstanding_urbs > URB_UPPER_LIMIT) { |
| 382 | spin_unlock_irqrestore(&priv->lock, flags); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 383 | dbg("%s - write limit hit\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | return 0; |
| 385 | } |
Oliver Neukum | b80349b | 2007-03-23 11:58:03 +0100 | [diff] [blame] | 386 | priv->outstanding_urbs++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | spin_unlock_irqrestore(&priv->lock, flags); |
| 388 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 389 | buffer = kmalloc(count, GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | if (!buffer) { |
| 391 | dev_err(&port->dev, "out of memory\n"); |
Oliver Neukum | b80349b | 2007-03-23 11:58:03 +0100 | [diff] [blame] | 392 | count = -ENOMEM; |
| 393 | goto error_no_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 397 | if (!urb) { |
| 398 | dev_err(&port->dev, "no more free urbs\n"); |
Oliver Neukum | b80349b | 2007-03-23 11:58:03 +0100 | [diff] [blame] | 399 | count = -ENOMEM; |
| 400 | goto error_no_urb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | } |
| 402 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 403 | memcpy(buffer, buf, count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 405 | usb_serial_debug_data(debug, &port->dev, __func__, count, buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 407 | usb_fill_bulk_urb(urb, serial->dev, |
| 408 | usb_sndbulkpipe(serial->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | port->bulk_out_endpointAddress), |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 410 | buffer, count, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | visor_write_bulk_callback, port); |
| 412 | |
| 413 | /* send it down the pipe */ |
| 414 | status = usb_submit_urb(urb, GFP_ATOMIC); |
| 415 | if (status) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 416 | dev_err(&port->dev, |
| 417 | "%s - usb_submit_urb(write bulk) failed with status = %d\n", |
| 418 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | count = status; |
Oliver Neukum | b80349b | 2007-03-23 11:58:03 +0100 | [diff] [blame] | 420 | goto error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | } else { |
| 422 | spin_lock_irqsave(&priv->lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Oliver Neukum | b80349b | 2007-03-23 11:58:03 +0100 | [diff] [blame] | 429 | usb_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | |
| 431 | return count; |
Oliver Neukum | b80349b | 2007-03-23 11:58:03 +0100 | [diff] [blame] | 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); |
| 440 | return count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 444 | static int visor_write_room(struct tty_struct *tty) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 446 | struct usb_serial_port *port = tty->driver_data; |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 447 | struct visor_private *priv = usb_get_serial_port_data(port); |
| 448 | unsigned long flags; |
| 449 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 450 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 455 | * layer that we have lots of free space, unless we don't. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | */ |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 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); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 461 | dbg("%s - write limit hit\n", __func__); |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 462 | return 0; |
| 463 | } |
| 464 | spin_unlock_irqrestore(&priv->lock, flags); |
| 465 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | return 2048; |
| 467 | } |
| 468 | |
| 469 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 470 | static void visor_write_bulk_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | { |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 472 | struct usb_serial_port *port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | struct visor_private *priv = usb_get_serial_port_data(port); |
Greg Kroah-Hartman | 38e8c91 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 474 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | unsigned long flags; |
| 476 | |
| 477 | /* free up the transfer buffer, as usb_free_urb() does not do this */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 478 | kfree(urb->transfer_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 480 | dbg("%s - port %d", __func__, port->number); |
Greg Kroah-Hartman | 38e8c91 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 481 | |
| 482 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | dbg("%s - nonzero write bulk status received: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 484 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | |
| 486 | spin_lock_irqsave(&priv->lock, flags); |
| 487 | --priv->outstanding_urbs; |
| 488 | spin_unlock_irqrestore(&priv->lock, flags); |
| 489 | |
Pete Zaitcev | cf2c748 | 2006-05-22 21:58:49 -0700 | [diff] [blame] | 490 | usb_serial_port_softint(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 494 | static void visor_read_bulk_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | { |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 496 | struct usb_serial_port *port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | struct visor_private *priv = usb_get_serial_port_data(port); |
| 498 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 38e8c91 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 499 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | struct tty_struct *tty; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | int result; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 502 | int available_room = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 504 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | |
Greg Kroah-Hartman | 38e8c91 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 506 | if (status) { |
| 507 | dbg("%s - nonzero read bulk status received: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 508 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | return; |
| 510 | } |
| 511 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 512 | usb_serial_debug_data(debug, &port->dev, __func__, |
| 513 | urb->actual_length, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 515 | if (urb->actual_length) { |
| 516 | tty = tty_port_tty_get(&port->port); |
| 517 | if (tty) { |
| 518 | available_room = tty_buffer_request_room(tty, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 519 | urb->actual_length); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 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); |
Oliver Neukum | b308e74 | 2007-05-07 10:37:08 +0200 | [diff] [blame] | 526 | } |
| 527 | spin_lock(&priv->lock); |
| 528 | priv->bytes_in += available_room; |
| 529 | |
| 530 | } else { |
| 531 | spin_lock(&priv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | |
| 534 | /* Continue trying to always read if we should */ |
Oliver Neukum | b308e74 | 2007-05-07 10:37:08 +0200 | [diff] [blame] | 535 | if (!priv->throttled) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 536 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | usb_rcvbulkpipe(port->serial->dev, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 538 | port->bulk_in_endpointAddress), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 544 | dev_err(&port->dev, |
| 545 | "%s - failed resubmitting read urb, error %d\n", |
| 546 | __func__, result); |
| 547 | } else |
Oliver Neukum | b308e74 | 2007-05-07 10:37:08 +0200 | [diff] [blame] | 548 | priv->actually_throttled = 1; |
Oliver Neukum | b308e74 | 2007-05-07 10:37:08 +0200 | [diff] [blame] | 549 | spin_unlock(&priv->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | } |
| 551 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 552 | static void visor_read_int_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | { |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 554 | struct usb_serial_port *port = urb->context; |
Greg Kroah-Hartman | 38e8c91 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 555 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | int result; |
| 557 | |
Greg Kroah-Hartman | 38e8c91 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 558 | switch (status) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 567 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | return; |
| 569 | default: |
| 570 | dbg("%s - nonzero urb status received: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 571 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 582 | usb_serial_debug_data(debug, &port->dev, __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | urb->actual_length, urb->transfer_buffer); |
| 584 | |
| 585 | exit: |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 586 | result = usb_submit_urb(urb, GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | if (result) |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 588 | dev_err(&urb->dev->dev, |
| 589 | "%s - Error %d submitting interrupt urb\n", |
| 590 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 591 | } |
| 592 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 593 | static void visor_throttle(struct tty_struct *tty) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 595 | struct usb_serial_port *port = tty->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | struct visor_private *priv = usb_get_serial_port_data(port); |
| 597 | unsigned long flags; |
| 598 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 599 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | spin_lock_irqsave(&priv->lock, flags); |
| 601 | priv->throttled = 1; |
| 602 | spin_unlock_irqrestore(&priv->lock, flags); |
| 603 | } |
| 604 | |
| 605 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 606 | static void visor_unthrottle(struct tty_struct *tty) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 608 | struct usb_serial_port *port = tty->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | struct visor_private *priv = usb_get_serial_port_data(port); |
| 610 | unsigned long flags; |
| 611 | int result; |
| 612 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 613 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | spin_lock_irqsave(&priv->lock, flags); |
| 615 | priv->throttled = 0; |
Oliver Neukum | b308e74 | 2007-05-07 10:37:08 +0200 | [diff] [blame] | 616 | priv->actually_throttled = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 622 | dev_err(&port->dev, |
| 623 | "%s - failed submitting read urb, error %d\n", |
| 624 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | } |
| 626 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 627 | static int palm_os_3_probe(struct usb_serial *serial, |
| 628 | const struct usb_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 638 | dbg("%s", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 640 | transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | if (!transfer_buffer) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 642 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | sizeof(*connection_info)); |
| 644 | return -ENOMEM; |
| 645 | } |
| 646 | |
| 647 | /* send a get connection info request */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 648 | retval = usb_control_msg(serial->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 655 | __func__, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | goto exit; |
| 657 | } |
| 658 | |
| 659 | if (retval == sizeof(*connection_info)) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 660 | connection_info = (struct visor_connection_info *) |
| 661 | transfer_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | |
| 663 | num_ports = le16_to_cpu(connection_info->num_ports); |
| 664 | for (i = 0; i < num_ports; ++i) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | } |
| 686 | dev_info(dev, "%s: port %d, is for %s use\n", |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 687 | serial->type->description, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 695 | dev_warn(dev, "%s: No valid connect info available\n", |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 696 | serial->type->description); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | num_ports = 2; |
| 698 | } |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 699 | |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 700 | dev_info(dev, "%s: Number of ports: %d\n", serial->type->description, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 709 | /* ask for the number of bytes available, but ignore the |
| 710 | response as it is broken */ |
| 711 | retval = usb_control_msg(serial->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 718 | __func__, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | retval = 0; |
| 720 | |
| 721 | exit: |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 722 | kfree(transfer_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | |
| 724 | return retval; |
| 725 | } |
| 726 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 727 | static int palm_os_4_probe(struct usb_serial *serial, |
| 728 | const struct usb_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 735 | dbg("%s", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 737 | transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | if (!transfer_buffer) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 739 | dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | sizeof(*connection_info)); |
| 741 | return -ENOMEM; |
| 742 | } |
| 743 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 744 | retval = usb_control_msg(serial->dev, |
| 745 | usb_rcvctrlpipe(serial->dev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | PALM_GET_EXT_CONNECTION_INFORMATION, |
| 747 | 0xc2, 0x0000, 0x0000, transfer_buffer, |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 748 | sizeof(*connection_info), 300); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | if (retval < 0) |
| 750 | dev_err(dev, "%s - error %d getting connection info\n", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 751 | __func__, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | else |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 753 | usb_serial_debug_data(debug, &serial->dev->dev, __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | retval, transfer_buffer); |
| 755 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 756 | kfree(transfer_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 757 | return 0; |
| 758 | } |
| 759 | |
| 760 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 761 | static int visor_probe(struct usb_serial *serial, |
| 762 | const struct usb_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | { |
| 764 | int retval = 0; |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 765 | int (*startup)(struct usb_serial *serial, |
| 766 | const struct usb_device_id *id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 768 | dbg("%s", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | |
| 770 | if (serial->dev->actconfig->desc.bConfigurationValue != 1) { |
Greg Kroah-Hartman | 194343d | 2008-08-20 16:56:34 -0700 | [diff] [blame] | 771 | dev_err(&serial->dev->dev, "active config #%d != 1 ??\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 784 | static int visor_calc_num_ports(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | { |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 796 | struct usb_serial_port **ports = serial->port; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | struct visor_private *priv; |
| 798 | int i; |
| 799 | |
| 800 | for (i = 0; i < serial->num_ports; ++i) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 801 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 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 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | return -ENOMEM; |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 809 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | spin_lock_init(&priv->lock); |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 811 | usb_set_serial_port_data(ports[i], priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | } |
| 813 | return 0; |
| 814 | } |
| 815 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 816 | static int clie_3_5_startup(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | { |
| 818 | struct device *dev = &serial->dev->dev; |
| 819 | int result; |
| 820 | u8 data; |
| 821 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 822 | dbg("%s", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | |
| 824 | /* |
| 825 | * Note that PEG-300 series devices expect the following two calls. |
| 826 | */ |
| 827 | |
| 828 | /* get the config number */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 829 | result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | USB_REQ_GET_CONFIGURATION, USB_DIR_IN, |
| 831 | 0, 0, &data, 1, 3000); |
| 832 | if (result < 0) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 833 | dev_err(dev, "%s: get config number failed: %d\n", |
| 834 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | return result; |
| 836 | } |
| 837 | if (result != 1) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 838 | dev_err(dev, "%s: get config number bad return length: %d\n", |
| 839 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | return -EIO; |
| 841 | } |
| 842 | |
| 843 | /* get the interface number */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 844 | result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
| 845 | USB_REQ_GET_INTERFACE, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | USB_DIR_IN | USB_RECIP_INTERFACE, |
| 847 | 0, 0, &data, 1, 3000); |
| 848 | if (result < 0) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 849 | dev_err(dev, "%s: get interface number failed: %d\n", |
| 850 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | return result; |
| 852 | } |
| 853 | if (result != 1) { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 854 | dev_err(dev, |
| 855 | "%s: get interface number bad return length: %d\n", |
| 856 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | return -EIO; |
| 858 | } |
| 859 | |
| 860 | return generic_startup(serial); |
| 861 | } |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 862 | |
| 863 | static int treo_attach(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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. */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 874 | goto generic_startup; |
| 875 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 876 | dbg("%s", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | |
| 878 | /* |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 883 | * apps that want to communicate on the second port. |
| 884 | */ |
| 885 | #define COPY_PORT(dest, src) \ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 908 | static int clie_5_attach(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 910 | dbg("%s", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 911 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | Lets do a quick and dirty mapping |
| 918 | */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 919 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 920 | /* some sanity check */ |
| 921 | if (serial->num_ports < 2) |
| 922 | return -1; |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 923 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | /* port 0 now uses the modified endpoint Address */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 925 | serial->port[0]->bulk_out_endpointAddress = |
| 926 | serial->port[1]->bulk_out_endpointAddress; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | |
| 928 | return generic_startup(serial); |
| 929 | } |
| 930 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 931 | static void visor_shutdown(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 932 | { |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 933 | struct visor_private *priv; |
| 934 | int i; |
| 935 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 936 | dbg("%s", __func__); |
Pete Zaitcev | bd97c4f | 2006-06-21 15:03:40 -0700 | [diff] [blame] | 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 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 945 | } |
| 946 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 947 | static int __init visor_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | { |
| 949 | int i, retval; |
| 950 | /* Only if parameters were passed to us */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | |
| 960 | /* Find the last entry in id_table */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 961 | for (i = 0;; i++) { |
| 962 | if (id_table[i].idVendor == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | id_table[i] = usb_dev_temp[0]; |
| 964 | break; |
| 965 | } |
| 966 | } |
| 967 | /* Find the last entry in id_table_combined */ |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 968 | for (i = 0;; i++) { |
| 969 | if (id_table_combined[i].idVendor == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | id_table_combined[i] = usb_dev_temp[0]; |
| 971 | break; |
| 972 | } |
| 973 | } |
Greg Kroah-Hartman | c197a8d | 2008-08-18 13:21:04 -0700 | [diff] [blame] | 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", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 994 | if (retval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | goto failed_usb_register; |
Greg Kroah-Hartman | c197a8d | 2008-08-18 13:21:04 -0700 | [diff] [blame] | 996 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | { |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | } |
| 1017 | |
| 1018 | |
| 1019 | module_init(visor_init); |
| 1020 | module_exit(visor_exit); |
| 1021 | |
Alan Cox | d60d439 | 2008-07-22 11:12:15 +0100 | [diff] [blame] | 1022 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 1023 | MODULE_DESCRIPTION(DRIVER_DESC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |