Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]

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Differences between /linux/drivers/usb/serial/visor.c (Version 2.6.25.8) and /linux/drivers/usb/serial/visor.c (Version 2.6.11.8)


  1 /*                                                  1 /*
  2  * USB HandSpring Visor, Palm m50x, and Sony C      2  * USB HandSpring Visor, Palm m50x, and Sony Clie driver
  3  * (supports all of the Palm OS USB devices)        3  * (supports all of the Palm OS USB devices)
  4  *                                                  4  *
  5  *      Copyright (C) 1999 - 2004                   5  *      Copyright (C) 1999 - 2004
  6  *          Greg Kroah-Hartman (greg@kroah.com      6  *          Greg Kroah-Hartman (greg@kroah.com)
  7  *                                                  7  *
  8  *      This program is free software; you can !!   8  *      This program is free software; you can redistribute it and/or modify
  9  *      modify it under the terms of the GNU G !!   9  *      it under the terms of the GNU General Public License as published by
 10  *      2 as published by the Free Software Fo !!  10  *      the Free Software Foundation; either version 2 of the License, or
                                                   >>  11  *      (at your option) any later version.
 11  *                                                 12  *
 12  * See Documentation/usb/usb-serial.txt for mo     13  * See Documentation/usb/usb-serial.txt for more information on using this driver
 13  *                                                 14  *
                                                   >>  15  * (06/03/2003) Judd Montgomery <judd at jpilot.org>
                                                   >>  16  *     Added support for module parameter options for untested/unknown
                                                   >>  17  *     devices.
                                                   >>  18  *
                                                   >>  19  * (03/09/2003) gkh
                                                   >>  20  *      Added support for the Sony Clie NZ90V device.  Thanks to Martin Brachtl
                                                   >>  21  *      <brachtl@redgrep.cz> for the information.
                                                   >>  22  *
                                                   >>  23  * (03/05/2003) gkh
                                                   >>  24  *      Think Treo support is now working.
                                                   >>  25  *
                                                   >>  26  * (04/03/2002) gkh
                                                   >>  27  *      Added support for the Sony OS 4.1 devices.  Thanks to Hiroyuki ARAKI
                                                   >>  28  *      <hiro@zob.ne.jp> for the information.
                                                   >>  29  *
                                                   >>  30  * (03/27/2002) gkh
                                                   >>  31  *      Removed assumptions that port->tty was always valid (is not true
                                                   >>  32  *      for usb serial console devices.)
                                                   >>  33  *
                                                   >>  34  * (03/23/2002) gkh
                                                   >>  35  *      Added support for the Palm i705 device, thanks to Thomas Riemer
                                                   >>  36  *      <tom@netmech.com> for the information.
                                                   >>  37  *
                                                   >>  38  * (03/21/2002) gkh
                                                   >>  39  *      Added support for the Palm m130 device, thanks to Udo Eisenbarth
                                                   >>  40  *      <udo.eisenbarth@web.de> for the information.
                                                   >>  41  *
                                                   >>  42  * (02/27/2002) gkh
                                                   >>  43  *      Reworked the urb handling logic.  We have no more pool, but dynamically
                                                   >>  44  *      allocate the urb and the transfer buffer on the fly.  In testing this
                                                   >>  45  *      does not incure any measurable overhead.  This also relies on the fact
                                                   >>  46  *      that we have proper reference counting logic for urbs.
                                                   >>  47  *
                                                   >>  48  * (02/21/2002) SilaS
                                                   >>  49  *  Added initial support for the Palm m515 devices.
                                                   >>  50  *
                                                   >>  51  * (02/14/2002) gkh
                                                   >>  52  *      Added support for the Clie S-360 device.
                                                   >>  53  *
                                                   >>  54  * (12/18/2001) gkh
                                                   >>  55  *      Added better Clie support for 3.5 devices.  Thanks to Geoffrey Levand
                                                   >>  56  *      for the patch.
                                                   >>  57  *
                                                   >>  58  * (11/11/2001) gkh
                                                   >>  59  *      Added support for the m125 devices, and added check to prevent oopses
                                                   >>  60  *      for Clié devices that lie about the number of ports they have.
                                                   >>  61  *
                                                   >>  62  * (08/30/2001) gkh
                                                   >>  63  *      Added support for the Clie devices, both the 3.5 and 4.0 os versions.
                                                   >>  64  *      Many thanks to Daniel Burke, and Bryan Payne for helping with this.
                                                   >>  65  *
                                                   >>  66  * (08/23/2001) gkh
                                                   >>  67  *      fixed a few potential bugs pointed out by Oliver Neukum.
                                                   >>  68  *
                                                   >>  69  * (05/30/2001) gkh
                                                   >>  70  *      switched from using spinlock to a semaphore, which fixes lots of problems.
                                                   >>  71  *
                                                   >>  72  * (05/28/2000) gkh
                                                   >>  73  *      Added initial support for the Palm m500 and Palm m505 devices.
                                                   >>  74  *
                                                   >>  75  * (04/08/2001) gb
                                                   >>  76  *      Identify version on module load.
                                                   >>  77  *
                                                   >>  78  * (01/21/2000) gkh
                                                   >>  79  *      Added write_room and chars_in_buffer, as they were previously using the
                                                   >>  80  *      generic driver versions which is all wrong now that we are using an urb
                                                   >>  81  *      pool.  Thanks to Wolfgang Grandegger for pointing this out to me.
                                                   >>  82  *      Removed count assignment in the write function, which was not needed anymore
                                                   >>  83  *      either.  Thanks to Al Borchers for pointing this out.
                                                   >>  84  *
                                                   >>  85  * (12/12/2000) gkh
                                                   >>  86  *      Moved MOD_DEC to end of visor_close to be nicer, as the final write 
                                                   >>  87  *      message can sleep.
                                                   >>  88  * 
                                                   >>  89  * (11/12/2000) gkh
                                                   >>  90  *      Fixed bug with data being dropped on the floor by forcing tty->low_latency
                                                   >>  91  *      to be on.  Hopefully this fixes the OHCI issue!
                                                   >>  92  *
                                                   >>  93  * (11/01/2000) Adam J. Richter
                                                   >>  94  *      usb_device_id table support
                                                   >>  95  * 
                                                   >>  96  * (10/05/2000) gkh
                                                   >>  97  *      Fixed bug with urb->dev not being set properly, now that the usb
                                                   >>  98  *      core needs it.
                                                   >>  99  * 
                                                   >> 100  * (09/11/2000) gkh
                                                   >> 101  *      Got rid of always calling kmalloc for every urb we wrote out to the
                                                   >> 102  *      device.
                                                   >> 103  *      Added visor_read_callback so we can keep track of bytes in and out for
                                                   >> 104  *      those people who like to know the speed of their device.
                                                   >> 105  *      Removed DEBUG #ifdefs with call to usb_serial_debug_data
                                                   >> 106  *
                                                   >> 107  * (09/06/2000) gkh
                                                   >> 108  *      Fixed oops in visor_exit.  Need to uncomment usb_unlink_urb call _after_
                                                   >> 109  *      the host controller drivers set urb->dev = NULL when the urb is finished.
                                                   >> 110  *
                                                   >> 111  * (08/28/2000) gkh
                                                   >> 112  *      Added locks for SMP safeness.
                                                   >> 113  *
                                                   >> 114  * (08/08/2000) gkh
                                                   >> 115  *      Fixed endian problem in visor_startup.
                                                   >> 116  *      Fixed MOD_INC and MOD_DEC logic and the ability to open a port more 
                                                   >> 117  *      than once.
                                                   >> 118  * 
                                                   >> 119  * (07/23/2000) gkh
                                                   >> 120  *      Added pool of write urbs to speed up transfers to the visor.
                                                   >> 121  * 
                                                   >> 122  * (07/19/2000) gkh
                                                   >> 123  *      Added module_init and module_exit functions to handle the fact that this
                                                   >> 124  *      driver is a loadable module now.
                                                   >> 125  *
                                                   >> 126  * (07/03/2000) gkh
                                                   >> 127  *      Added visor_set_ioctl and visor_set_termios functions (they don't do much
                                                   >> 128  *      of anything, but are good for debugging.)
                                                   >> 129  * 
                                                   >> 130  * (06/25/2000) gkh
                                                   >> 131  *      Fixed bug in visor_unthrottle that should help with the disconnect in PPP
                                                   >> 132  *      bug that people have been reporting.
                                                   >> 133  *
                                                   >> 134  * (06/23/2000) gkh
                                                   >> 135  *      Cleaned up debugging statements in a quest to find UHCI timeout bug.
                                                   >> 136  *
                                                   >> 137  * (04/27/2000) Ryan VanderBijl
                                                   >> 138  *      Fixed memory leak in visor_close
                                                   >> 139  *
                                                   >> 140  * (03/26/2000) gkh
                                                   >> 141  *      Split driver up into device specific pieces.
                                                   >> 142  * 
 14  */                                               143  */
 15                                                   144 
                                                   >> 145 #include <linux/config.h>
 16 #include <linux/kernel.h>                         146 #include <linux/kernel.h>
 17 #include <linux/errno.h>                          147 #include <linux/errno.h>
 18 #include <linux/init.h>                           148 #include <linux/init.h>
 19 #include <linux/slab.h>                           149 #include <linux/slab.h>
 20 #include <linux/tty.h>                            150 #include <linux/tty.h>
 21 #include <linux/tty_driver.h>                     151 #include <linux/tty_driver.h>
 22 #include <linux/tty_flip.h>                       152 #include <linux/tty_flip.h>
 23 #include <linux/module.h>                         153 #include <linux/module.h>
 24 #include <linux/moduleparam.h>                    154 #include <linux/moduleparam.h>
 25 #include <linux/spinlock.h>                       155 #include <linux/spinlock.h>
 26 #include <asm/uaccess.h>                          156 #include <asm/uaccess.h>
 27 #include <linux/usb.h>                            157 #include <linux/usb.h>
 28 #include <linux/usb/serial.h>                  !! 158 #include "usb-serial.h"
 29 #include "visor.h"                                159 #include "visor.h"
 30                                                   160 
 31 /*                                                161 /*
 32  * Version Information                            162  * Version Information
 33  */                                               163  */
                                                   >> 164 #define DRIVER_VERSION "v2.1"
 34 #define DRIVER_AUTHOR "Greg Kroah-Hartman <gre    165 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>"
 35 #define DRIVER_DESC "USB HandSpring Visor / Pa    166 #define DRIVER_DESC "USB HandSpring Visor / Palm OS driver"
 36                                                   167 
 37 /* function prototypes for a handspring visor     168 /* function prototypes for a handspring visor */
 38 static int  visor_open          (struct usb_se    169 static int  visor_open          (struct usb_serial_port *port, struct file *filp);
 39 static void visor_close         (struct usb_se    170 static void visor_close         (struct usb_serial_port *port, struct file *filp);
 40 static int  visor_write         (struct usb_se    171 static int  visor_write         (struct usb_serial_port *port, const unsigned char *buf, int count);
 41 static int  visor_write_room            (struc    172 static int  visor_write_room            (struct usb_serial_port *port);
 42 static int  visor_chars_in_buffer       (struc    173 static int  visor_chars_in_buffer       (struct usb_serial_port *port);
 43 static void visor_throttle      (struct usb_se    174 static void visor_throttle      (struct usb_serial_port *port);
 44 static void visor_unthrottle    (struct usb_se    175 static void visor_unthrottle    (struct usb_serial_port *port);
 45 static int  visor_probe         (struct usb_se    176 static int  visor_probe         (struct usb_serial *serial, const struct usb_device_id *id);
 46 static int  visor_calc_num_ports(struct usb_se    177 static int  visor_calc_num_ports(struct usb_serial *serial);
 47 static void visor_shutdown      (struct usb_se    178 static void visor_shutdown      (struct usb_serial *serial);
 48 static int  visor_ioctl         (struct usb_se    179 static int  visor_ioctl         (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
 49 static void visor_write_bulk_callback   (struc !! 180 static void visor_set_termios   (struct usb_serial_port *port, struct termios *old_termios);
 50 static void visor_read_bulk_callback    (struc !! 181 static void visor_write_bulk_callback   (struct urb *urb, struct pt_regs *regs);
 51 static void visor_read_int_callback     (struc !! 182 static void visor_read_bulk_callback    (struct urb *urb, struct pt_regs *regs);
                                                   >> 183 static void visor_read_int_callback     (struct urb *urb, struct pt_regs *regs);
 52 static int  clie_3_5_startup    (struct usb_se    184 static int  clie_3_5_startup    (struct usb_serial *serial);
 53 static int  treo_attach         (struct usb_se    185 static int  treo_attach         (struct usb_serial *serial);
 54 static int clie_5_attach (struct usb_serial *s    186 static int clie_5_attach (struct usb_serial *serial);
 55 static int palm_os_3_probe (struct usb_serial     187 static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id);
 56 static int palm_os_4_probe (struct usb_serial     188 static int palm_os_4_probe (struct usb_serial *serial, const struct usb_device_id *id);
 57                                                   189 
 58 /* Parameters that may be passed into the modu    190 /* Parameters that may be passed into the module. */
 59 static int debug;                                 191 static int debug;
 60 static __u16 vendor;                              192 static __u16 vendor;
 61 static __u16 product;                             193 static __u16 product;
 62                                                   194 
 63 static struct usb_device_id id_table [] = {       195 static struct usb_device_id id_table [] = {
 64         { USB_DEVICE(HANDSPRING_VENDOR_ID, HAN    196         { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID),
 65                 .driver_info = (kernel_ulong_t    197                 .driver_info = (kernel_ulong_t)&palm_os_3_probe },
 66         { USB_DEVICE(HANDSPRING_VENDOR_ID, HAN    198         { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID),
 67                 .driver_info = (kernel_ulong_t    199                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 68         { USB_DEVICE(HANDSPRING_VENDOR_ID, HAN    200         { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID),
 69                 .driver_info = (kernel_ulong_t    201                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 70         { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XP << 
 71                 .driver_info = (kernel_ulong_t << 
 72         { USB_DEVICE(PALM_VENDOR_ID, PALM_M500    202         { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID),
 73                 .driver_info = (kernel_ulong_t    203                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 74         { USB_DEVICE(PALM_VENDOR_ID, PALM_M505    204         { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID),
 75                 .driver_info = (kernel_ulong_t    205                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 76         { USB_DEVICE(PALM_VENDOR_ID, PALM_M515    206         { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID),
 77                 .driver_info = (kernel_ulong_t    207                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 78         { USB_DEVICE(PALM_VENDOR_ID, PALM_I705    208         { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID),
 79                 .driver_info = (kernel_ulong_t    209                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 80         { USB_DEVICE(PALM_VENDOR_ID, PALM_M100    210         { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID),
 81                 .driver_info = (kernel_ulong_t    211                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 82         { USB_DEVICE(PALM_VENDOR_ID, PALM_M125    212         { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID),
 83                 .driver_info = (kernel_ulong_t    213                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 84         { USB_DEVICE(PALM_VENDOR_ID, PALM_M130    214         { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID),
 85                 .driver_info = (kernel_ulong_t    215                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 86         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNG    216         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID),
 87                 .driver_info = (kernel_ulong_t    217                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 88         { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO << 
 89                 .driver_info = (kernel_ulong_t << 
 90         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNG    218         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID),
 91                 .driver_info = (kernel_ulong_t    219                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
                                                   >> 220         { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID),
                                                   >> 221                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 92         { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE    222         { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID),
 93                 .driver_info = (kernel_ulong_t    223                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 94         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    224         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID),
 95                 .driver_info = (kernel_ulong_t    225                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 96         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    226         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID),
 97                 .driver_info = (kernel_ulong_t    227                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
 98         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    228         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID),
 99                 .driver_info = (kernel_ulong_t    229                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
100         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    230         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID),
101                 .driver_info = (kernel_ulong_t    231                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
102         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    232         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID),
103                 .driver_info = (kernel_ulong_t    233                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
104         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    234         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID),
105                 .driver_info = (kernel_ulong_t    235                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
106         { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ << 
107                 .driver_info = (kernel_ulong_t << 
108         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUN    236         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID), 
109                 .driver_info = (kernel_ulong_t    237                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
110         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUN    238         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID), 
111                 .driver_info = (kernel_ulong_t    239                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
112         { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAV << 
113                 .driver_info = (kernel_ulong_t << 
114         { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_    240         { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), 
115                 .driver_info = (kernel_ulong_t    241                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
116         { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_    242         { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID),
117                 .driver_info = (kernel_ulong_t    243                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
118         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCER    244         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID),
119                 .driver_info = (kernel_ulong_t    245                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
120         { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ << 
121                 .driver_info = (kernel_ulong_t << 
122         { },                                      246         { },                                    /* optional parameter entry */
123         { }                                       247         { }                                     /* Terminating entry */
124 };                                                248 };
125                                                   249 
126 static struct usb_device_id clie_id_5_table []    250 static struct usb_device_id clie_id_5_table [] = {
127         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    251         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID),
128                 .driver_info = (kernel_ulong_t    252                 .driver_info = (kernel_ulong_t)&palm_os_4_probe },
129         { },                                      253         { },                                    /* optional parameter entry */
130         { }                                       254         { }                                     /* Terminating entry */
131 };                                                255 };
132                                                   256 
133 static struct usb_device_id clie_id_3_5_table     257 static struct usb_device_id clie_id_3_5_table [] = {
134         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    258         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
135         { }                                       259         { }                                     /* Terminating entry */
136 };                                                260 };
137                                                   261 
138 static struct usb_device_id id_table_combined     262 static struct usb_device_id id_table_combined [] = {
139         { USB_DEVICE(HANDSPRING_VENDOR_ID, HAN    263         { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) },
140         { USB_DEVICE(HANDSPRING_VENDOR_ID, HAN    264         { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) },
141         { USB_DEVICE(HANDSPRING_VENDOR_ID, HAN    265         { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) },
142         { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XP << 
143         { USB_DEVICE(PALM_VENDOR_ID, PALM_M500    266         { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) },
144         { USB_DEVICE(PALM_VENDOR_ID, PALM_M505    267         { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) },
145         { USB_DEVICE(PALM_VENDOR_ID, PALM_M515    268         { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) },
146         { USB_DEVICE(PALM_VENDOR_ID, PALM_I705    269         { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) },
147         { USB_DEVICE(PALM_VENDOR_ID, PALM_M100    270         { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) },
148         { USB_DEVICE(PALM_VENDOR_ID, PALM_M125    271         { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) },
149         { USB_DEVICE(PALM_VENDOR_ID, PALM_M130    272         { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
150         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNG    273         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
151         { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO << 
152         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNG    274         { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
                                                   >> 275         { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID) },
153         { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE    276         { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
154         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    277         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
155         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    278         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
156         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    279         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) },
157         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    280         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) },
158         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    281         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) },
159         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    282         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) },
160         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    283         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) },
161         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE    284         { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) },
162         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUN    285         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) },
163         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUN    286         { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) },
164         { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAV << 
165         { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_    287         { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) },
166         { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_    288         { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) },
167         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCER    289         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) },
168         { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ << 
169         { },                                      290         { },                                    /* optional parameter entry */
170         { }                                       291         { }                                     /* Terminating entry */
171 };                                                292 };
172                                                   293 
173 MODULE_DEVICE_TABLE (usb, id_table_combined);     294 MODULE_DEVICE_TABLE (usb, id_table_combined);
174                                                   295 
175 static struct usb_driver visor_driver = {         296 static struct usb_driver visor_driver = {
                                                   >> 297         .owner =        THIS_MODULE,
176         .name =         "visor",                  298         .name =         "visor",
177         .probe =        usb_serial_probe,         299         .probe =        usb_serial_probe,
178         .disconnect =   usb_serial_disconnect,    300         .disconnect =   usb_serial_disconnect,
179         .id_table =     id_table_combined,        301         .id_table =     id_table_combined,
180         .no_dynamic_id =        1,             << 
181 };                                                302 };
182                                                   303 
183 /* All of the device info needed for the Hands    304 /* All of the device info needed for the Handspring Visor, and Palm 4.0 devices */
184 static struct usb_serial_driver handspring_dev !! 305 static struct usb_serial_device_type handspring_device = {
185         .driver = {                            !! 306         .owner =                THIS_MODULE,
186                 .owner =        THIS_MODULE,   !! 307         .name =                 "Handspring Visor / Palm OS",
187                 .name =         "visor",       !! 308         .short_name =           "visor",
188         },                                     << 
189         .description =          "Handspring Vi << 
190         .usb_driver =           &visor_driver, << 
191         .id_table =             id_table,         309         .id_table =             id_table,
192         .num_interrupt_in =     NUM_DONT_CARE,    310         .num_interrupt_in =     NUM_DONT_CARE,
193         .num_bulk_in =          2,                311         .num_bulk_in =          2,
194         .num_bulk_out =         NUM_DONT_CARE, !! 312         .num_bulk_out =         2,
195         .num_ports =            2,                313         .num_ports =            2,
196         .open =                 visor_open,       314         .open =                 visor_open,
197         .close =                visor_close,      315         .close =                visor_close,
198         .throttle =             visor_throttle    316         .throttle =             visor_throttle,
199         .unthrottle =           visor_unthrott    317         .unthrottle =           visor_unthrottle,
200         .attach =               treo_attach,      318         .attach =               treo_attach,
201         .probe =                visor_probe,      319         .probe =                visor_probe,
202         .calc_num_ports =       visor_calc_num    320         .calc_num_ports =       visor_calc_num_ports,
203         .shutdown =             visor_shutdown    321         .shutdown =             visor_shutdown,
204         .ioctl =                visor_ioctl,      322         .ioctl =                visor_ioctl,
                                                   >> 323         .set_termios =          visor_set_termios,
205         .write =                visor_write,      324         .write =                visor_write,
206         .write_room =           visor_write_ro    325         .write_room =           visor_write_room,
207         .chars_in_buffer =      visor_chars_in    326         .chars_in_buffer =      visor_chars_in_buffer,
208         .write_bulk_callback =  visor_write_bu    327         .write_bulk_callback =  visor_write_bulk_callback,
209         .read_bulk_callback =   visor_read_bul    328         .read_bulk_callback =   visor_read_bulk_callback,
210         .read_int_callback =    visor_read_int    329         .read_int_callback =    visor_read_int_callback,
211 };                                                330 };
212                                                   331 
213 /* All of the device info needed for the Clie     332 /* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */
214 static struct usb_serial_driver clie_5_device  !! 333 static struct usb_serial_device_type clie_5_device = {
215         .driver = {                            !! 334         .owner =                THIS_MODULE,
216                 .owner =        THIS_MODULE,   !! 335         .name =                 "Sony Clie 5.0",
217                 .name =         "clie_5",      !! 336         .short_name =           "clie_5",
218         },                                     << 
219         .description =          "Sony Clie 5.0 << 
220         .usb_driver =           &visor_driver, << 
221         .id_table =             clie_id_5_tabl    337         .id_table =             clie_id_5_table,
222         .num_interrupt_in =     NUM_DONT_CARE,    338         .num_interrupt_in =     NUM_DONT_CARE,
223         .num_bulk_in =          2,                339         .num_bulk_in =          2,
224         .num_bulk_out =         2,                340         .num_bulk_out =         2,
225         .num_ports =            2,                341         .num_ports =            2,
226         .open =                 visor_open,       342         .open =                 visor_open,
227         .close =                visor_close,      343         .close =                visor_close,
228         .throttle =             visor_throttle    344         .throttle =             visor_throttle,
229         .unthrottle =           visor_unthrott    345         .unthrottle =           visor_unthrottle,
230         .attach =               clie_5_attach,    346         .attach =               clie_5_attach,
231         .probe =                visor_probe,      347         .probe =                visor_probe,
232         .calc_num_ports =       visor_calc_num    348         .calc_num_ports =       visor_calc_num_ports,
233         .shutdown =             visor_shutdown    349         .shutdown =             visor_shutdown,
234         .ioctl =                visor_ioctl,      350         .ioctl =                visor_ioctl,
                                                   >> 351         .set_termios =          visor_set_termios,
235         .write =                visor_write,      352         .write =                visor_write,
236         .write_room =           visor_write_ro    353         .write_room =           visor_write_room,
237         .chars_in_buffer =      visor_chars_in    354         .chars_in_buffer =      visor_chars_in_buffer,
238         .write_bulk_callback =  visor_write_bu    355         .write_bulk_callback =  visor_write_bulk_callback,
239         .read_bulk_callback =   visor_read_bul    356         .read_bulk_callback =   visor_read_bulk_callback,
240         .read_int_callback =    visor_read_int    357         .read_int_callback =    visor_read_int_callback,
241 };                                                358 };
242                                                   359 
243 /* device info for the Sony Clie OS version 3.    360 /* device info for the Sony Clie OS version 3.5 */
244 static struct usb_serial_driver clie_3_5_devic !! 361 static struct usb_serial_device_type clie_3_5_device = {
245         .driver = {                            !! 362         .owner =                THIS_MODULE,
246                 .owner =        THIS_MODULE,   !! 363         .name =                 "Sony Clie 3.5",
247                 .name =         "clie_3.5",    !! 364         .short_name =           "clie_3.5",
248         },                                     << 
249         .description =          "Sony Clie 3.5 << 
250         .usb_driver =           &visor_driver, << 
251         .id_table =             clie_id_3_5_ta    365         .id_table =             clie_id_3_5_table,
252         .num_interrupt_in =     0,                366         .num_interrupt_in =     0,
253         .num_bulk_in =          1,                367         .num_bulk_in =          1,
254         .num_bulk_out =         1,                368         .num_bulk_out =         1,
255         .num_ports =            1,                369         .num_ports =            1,
256         .open =                 visor_open,       370         .open =                 visor_open,
257         .close =                visor_close,      371         .close =                visor_close,
258         .throttle =             visor_throttle    372         .throttle =             visor_throttle,
259         .unthrottle =           visor_unthrott    373         .unthrottle =           visor_unthrottle,
260         .attach =               clie_3_5_start    374         .attach =               clie_3_5_startup,
261         .ioctl =                visor_ioctl,      375         .ioctl =                visor_ioctl,
                                                   >> 376         .set_termios =          visor_set_termios,
262         .write =                visor_write,      377         .write =                visor_write,
263         .write_room =           visor_write_ro    378         .write_room =           visor_write_room,
264         .chars_in_buffer =      visor_chars_in    379         .chars_in_buffer =      visor_chars_in_buffer,
265         .write_bulk_callback =  visor_write_bu    380         .write_bulk_callback =  visor_write_bulk_callback,
266         .read_bulk_callback =   visor_read_bul    381         .read_bulk_callback =   visor_read_bulk_callback,
267 };                                                382 };
268                                                   383 
269 struct visor_private {                            384 struct visor_private {
270         spinlock_t lock;                          385         spinlock_t lock;
271         int bytes_in;                             386         int bytes_in;
272         int bytes_out;                            387         int bytes_out;
273         int outstanding_urbs;                     388         int outstanding_urbs;
274         unsigned char throttled;               << 
275         unsigned char actually_throttled;      << 
276 };                                                389 };
277                                                   390 
278 /* number of outstanding urbs to prevent users    391 /* number of outstanding urbs to prevent userspace DoS from happening */
279 #define URB_UPPER_LIMIT 42                        392 #define URB_UPPER_LIMIT 42
280                                                   393 
281 static int stats;                                 394 static int stats;
282                                                   395 
283 /*********************************************    396 /******************************************************************************
284  * Handspring Visor specific driver functions     397  * Handspring Visor specific driver functions
285  *********************************************    398  ******************************************************************************/
286 static int visor_open (struct usb_serial_port     399 static int visor_open (struct usb_serial_port *port, struct file *filp)
287 {                                                 400 {
288         struct usb_serial *serial = port->seri    401         struct usb_serial *serial = port->serial;
289         struct visor_private *priv = usb_get_s    402         struct visor_private *priv = usb_get_serial_port_data(port);
290         unsigned long flags;                      403         unsigned long flags;
291         int result = 0;                           404         int result = 0;
292                                                   405 
293         dbg("%s - port %d", __FUNCTION__, port    406         dbg("%s - port %d", __FUNCTION__, port->number);
294                                                   407 
295         if (!port->read_urb) {                    408         if (!port->read_urb) {
296                 /* this is needed for some bra    409                 /* this is needed for some brain dead Sony devices */
297                 dev_err(&port->dev, "Device li    410                 dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n");
298                 return -ENODEV;                   411                 return -ENODEV;
299         }                                         412         }
300                                                   413 
301         spin_lock_irqsave(&priv->lock, flags);    414         spin_lock_irqsave(&priv->lock, flags);
302         priv->bytes_in = 0;                       415         priv->bytes_in = 0;
303         priv->bytes_out = 0;                      416         priv->bytes_out = 0;
304         priv->throttled = 0;                   !! 417         priv->outstanding_urbs = 0;
305         spin_unlock_irqrestore(&priv->lock, fl    418         spin_unlock_irqrestore(&priv->lock, flags);
306                                                   419 
307         /*                                        420         /*
308          * Force low_latency on so that our tt    421          * Force low_latency on so that our tty_push actually forces the data
309          * through, otherwise it is scheduled,    422          * through, otherwise it is scheduled, and with high data rates (like
310          * with OHCI) data can get lost.          423          * with OHCI) data can get lost.
311          */                                       424          */
312         if (port->tty)                            425         if (port->tty)
313                 port->tty->low_latency = 1;       426                 port->tty->low_latency = 1;
314                                                   427 
315         /* Start reading from the device */       428         /* Start reading from the device */
316         usb_fill_bulk_urb (port->read_urb, ser    429         usb_fill_bulk_urb (port->read_urb, serial->dev,
317                            usb_rcvbulkpipe (se    430                            usb_rcvbulkpipe (serial->dev, 
318                                             po    431                                             port->bulk_in_endpointAddress),
319                            port->read_urb->tra    432                            port->read_urb->transfer_buffer,
320                            port->read_urb->tra    433                            port->read_urb->transfer_buffer_length,
321                            visor_read_bulk_cal    434                            visor_read_bulk_callback, port);
322         result = usb_submit_urb(port->read_urb    435         result = usb_submit_urb(port->read_urb, GFP_KERNEL);
323         if (result) {                             436         if (result) {
324                 dev_err(&port->dev, "%s - fail    437                 dev_err(&port->dev, "%s - failed submitting read urb, error %d\n",
325                         __FUNCTION__, result);    438                         __FUNCTION__, result);
326                 goto exit;                        439                 goto exit;
327         }                                         440         }
328                                                   441         
329         if (port->interrupt_in_urb) {             442         if (port->interrupt_in_urb) {
330                 dbg("%s - adding interrupt inp    443                 dbg("%s - adding interrupt input for treo", __FUNCTION__);
331                 result = usb_submit_urb(port->    444                 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
332                 if (result)                       445                 if (result)
333                         dev_err(&port->dev, "%    446                         dev_err(&port->dev, "%s - failed submitting interrupt urb, error %d\n",
334                                 __FUNCTION__,     447                                 __FUNCTION__, result);
335         }                                         448         }
336 exit:                                             449 exit:   
337         return result;                            450         return result;
338 }                                                 451 }
339                                                   452 
340                                                   453 
341 static void visor_close (struct usb_serial_por    454 static void visor_close (struct usb_serial_port *port, struct file * filp)
342 {                                                 455 {
343         struct visor_private *priv = usb_get_s    456         struct visor_private *priv = usb_get_serial_port_data(port);
344         unsigned char *transfer_buffer;           457         unsigned char *transfer_buffer;
345                                                   458 
346         dbg("%s - port %d", __FUNCTION__, port    459         dbg("%s - port %d", __FUNCTION__, port->number);
347                                                   460                          
348         /* shutdown our urbs */                   461         /* shutdown our urbs */
349         usb_kill_urb(port->read_urb);             462         usb_kill_urb(port->read_urb);
350         usb_kill_urb(port->interrupt_in_urb);  !! 463         if (port->interrupt_in_urb)
                                                   >> 464                 usb_kill_urb(port->interrupt_in_urb);
351                                                   465 
352         mutex_lock(&port->serial->disc_mutex); !! 466         /* Try to send shutdown message, if the device is gone, this will just fail. */
353         if (!port->serial->disconnected) {     !! 467         transfer_buffer =  kmalloc (0x12, GFP_KERNEL);
354                 /* Try to send shutdown messag !! 468         if (transfer_buffer) {
355                 transfer_buffer =  kmalloc (0x !! 469                 usb_control_msg (port->serial->dev,
356                 if (transfer_buffer) {         !! 470                                  usb_rcvctrlpipe(port->serial->dev, 0),
357                         usb_control_msg (port- !! 471                                  VISOR_CLOSE_NOTIFICATION, 0xc2,
358                                          usb_r !! 472                                  0x0000, 0x0000, 
359                                          VISOR !! 473                                  transfer_buffer, 0x12, 300);
360                                          0x000 !! 474                 kfree (transfer_buffer);
361                                          trans << 
362                         kfree (transfer_buffer << 
363                 }                              << 
364         }                                         475         }
365         mutex_unlock(&port->serial->disc_mutex << 
366                                                   476 
367         if (stats)                                477         if (stats)
368                 dev_info(&port->dev, "Bytes In    478                 dev_info(&port->dev, "Bytes In = %d  Bytes Out = %d\n",
369                          priv->bytes_in, priv-    479                          priv->bytes_in, priv->bytes_out);
370 }                                                 480 }
371                                                   481 
372                                                   482 
373 static int visor_write (struct usb_serial_port    483 static int visor_write (struct usb_serial_port *port, const unsigned char *buf, int count)
374 {                                                 484 {
375         struct visor_private *priv = usb_get_s    485         struct visor_private *priv = usb_get_serial_port_data(port);
376         struct usb_serial *serial = port->seri    486         struct usb_serial *serial = port->serial;
377         struct urb *urb;                          487         struct urb *urb;
378         unsigned char *buffer;                    488         unsigned char *buffer;
379         unsigned long flags;                      489         unsigned long flags;
380         int status;                               490         int status;
381                                                   491 
382         dbg("%s - port %d", __FUNCTION__, port    492         dbg("%s - port %d", __FUNCTION__, port->number);
383                                                   493 
384         spin_lock_irqsave(&priv->lock, flags);    494         spin_lock_irqsave(&priv->lock, flags);
385         if (priv->outstanding_urbs > URB_UPPER    495         if (priv->outstanding_urbs > URB_UPPER_LIMIT) {
386                 spin_unlock_irqrestore(&priv->    496                 spin_unlock_irqrestore(&priv->lock, flags);
387                 dbg("%s - write limit hit\n",     497                 dbg("%s - write limit hit\n", __FUNCTION__);
388                 return 0;                         498                 return 0;
389         }                                         499         }
390         priv->outstanding_urbs++;              << 
391         spin_unlock_irqrestore(&priv->lock, fl    500         spin_unlock_irqrestore(&priv->lock, flags);
392                                                   501 
393         buffer = kmalloc (count, GFP_ATOMIC);     502         buffer = kmalloc (count, GFP_ATOMIC);
394         if (!buffer) {                            503         if (!buffer) {
395                 dev_err(&port->dev, "out of me    504                 dev_err(&port->dev, "out of memory\n");
396                 count = -ENOMEM;               !! 505                 return -ENOMEM;
397                 goto error_no_buffer;          << 
398         }                                         506         }
399                                                   507 
400         urb = usb_alloc_urb(0, GFP_ATOMIC);       508         urb = usb_alloc_urb(0, GFP_ATOMIC);
401         if (!urb) {                               509         if (!urb) {
402                 dev_err(&port->dev, "no more f    510                 dev_err(&port->dev, "no more free urbs\n");
403                 count = -ENOMEM;               !! 511                 kfree (buffer);
404                 goto error_no_urb;             !! 512                 return -ENOMEM;
405         }                                         513         }
406                                                   514 
407         memcpy (buffer, buf, count);              515         memcpy (buffer, buf, count);
408                                                   516 
409         usb_serial_debug_data(debug, &port->de    517         usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, buffer);
410                                                   518 
411         usb_fill_bulk_urb (urb, serial->dev,      519         usb_fill_bulk_urb (urb, serial->dev,
412                            usb_sndbulkpipe (se    520                            usb_sndbulkpipe (serial->dev,
413                                             po    521                                             port->bulk_out_endpointAddress),
414                            buffer, count,         522                            buffer, count, 
415                            visor_write_bulk_ca    523                            visor_write_bulk_callback, port);
416                                                   524 
417         /* send it down the pipe */               525         /* send it down the pipe */
418         status = usb_submit_urb(urb, GFP_ATOMI    526         status = usb_submit_urb(urb, GFP_ATOMIC);
419         if (status) {                             527         if (status) {
420                 dev_err(&port->dev, "%s - usb_    528                 dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed with status = %d\n",
421                         __FUNCTION__, status);    529                         __FUNCTION__, status);
422                 count = status;                   530                 count = status;
423                 goto error;                    !! 531                 kfree (buffer);
424         } else {                                  532         } else {
425                 spin_lock_irqsave(&priv->lock,    533                 spin_lock_irqsave(&priv->lock, flags);
                                                   >> 534                 ++priv->outstanding_urbs;
426                 priv->bytes_out += count;         535                 priv->bytes_out += count;
427                 spin_unlock_irqrestore(&priv->    536                 spin_unlock_irqrestore(&priv->lock, flags);
428         }                                         537         }
429                                                   538 
430         /* we are done with this urb, so let t    539         /* we are done with this urb, so let the host driver
431          * really free it when it is finished     540          * really free it when it is finished with it */
432         usb_free_urb(urb);                     !! 541         usb_free_urb (urb);
433                                                   542 
434         return count;                             543         return count;
435 error:                                         << 
436         usb_free_urb(urb);                     << 
437 error_no_urb:                                  << 
438         kfree(buffer);                         << 
439 error_no_buffer:                               << 
440         spin_lock_irqsave(&priv->lock, flags); << 
441         --priv->outstanding_urbs;              << 
442         spin_unlock_irqrestore(&priv->lock, fl << 
443         return count;                          << 
444 }                                                 544 }
445                                                   545 
446                                                   546 
447 static int visor_write_room (struct usb_serial    547 static int visor_write_room (struct usb_serial_port *port)
448 {                                                 548 {
449         struct visor_private *priv = usb_get_s << 
450         unsigned long flags;                   << 
451                                                << 
452         dbg("%s - port %d", __FUNCTION__, port    549         dbg("%s - port %d", __FUNCTION__, port->number);
453                                                   550 
454         /*                                        551         /*
455          * We really can take anything the use    552          * We really can take anything the user throws at us
456          * but let's pick a nice big number to    553          * but let's pick a nice big number to tell the tty
457          * layer that we have lots of free spa !! 554          * layer that we have lots of free space
458          */                                       555          */
459                                                << 
460         spin_lock_irqsave(&priv->lock, flags); << 
461         if (priv->outstanding_urbs > URB_UPPER << 
462                 spin_unlock_irqrestore(&priv-> << 
463                 dbg("%s - write limit hit\n",  << 
464                 return 0;                      << 
465         }                                      << 
466         spin_unlock_irqrestore(&priv->lock, fl << 
467                                                << 
468         return 2048;                              556         return 2048;
469 }                                                 557 }
470                                                   558 
471                                                   559 
472 static int visor_chars_in_buffer (struct usb_s    560 static int visor_chars_in_buffer (struct usb_serial_port *port)
473 {                                                 561 {
474         dbg("%s - port %d", __FUNCTION__, port    562         dbg("%s - port %d", __FUNCTION__, port->number);
475                                                   563 
476         /*                                        564         /* 
477          * We can't really account for how muc    565          * We can't really account for how much data we
478          * have sent out, but hasn't made it t    566          * have sent out, but hasn't made it through to the
479          * device, so just tell the tty layer     567          * device, so just tell the tty layer that everything
480          * is flushed.                            568          * is flushed.
481          */                                       569          */
482         return 0;                                 570         return 0;
483 }                                                 571 }
484                                                   572 
485                                                   573 
486 static void visor_write_bulk_callback (struct  !! 574 static void visor_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
487 {                                                 575 {
488         struct usb_serial_port *port = (struct    576         struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
489         struct visor_private *priv = usb_get_s    577         struct visor_private *priv = usb_get_serial_port_data(port);
490         int status = urb->status;              << 
491         unsigned long flags;                      578         unsigned long flags;
492                                                   579 
493         /* free up the transfer buffer, as usb    580         /* free up the transfer buffer, as usb_free_urb() does not do this */
494         kfree (urb->transfer_buffer);             581         kfree (urb->transfer_buffer);
495                                                   582 
496         dbg("%s - port %d", __FUNCTION__, port    583         dbg("%s - port %d", __FUNCTION__, port->number);
497                                                !! 584         
498         if (status)                            !! 585         if (urb->status)
499                 dbg("%s - nonzero write bulk s    586                 dbg("%s - nonzero write bulk status received: %d",
500                     __FUNCTION__, status);     !! 587                     __FUNCTION__, urb->status);
501                                                   588 
502         spin_lock_irqsave(&priv->lock, flags);    589         spin_lock_irqsave(&priv->lock, flags);
503         --priv->outstanding_urbs;                 590         --priv->outstanding_urbs;
504         spin_unlock_irqrestore(&priv->lock, fl    591         spin_unlock_irqrestore(&priv->lock, flags);
505                                                   592 
506         usb_serial_port_softint(port);         !! 593         schedule_work(&port->work);
507 }                                                 594 }
508                                                   595 
509                                                   596 
510 static void visor_read_bulk_callback (struct u !! 597 static void visor_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
511 {                                                 598 {
512         struct usb_serial_port *port = (struct    599         struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
513         struct visor_private *priv = usb_get_s    600         struct visor_private *priv = usb_get_serial_port_data(port);
514         unsigned char *data = urb->transfer_bu    601         unsigned char *data = urb->transfer_buffer;
515         int status = urb->status;              << 
516         struct tty_struct *tty;                   602         struct tty_struct *tty;
                                                   >> 603         unsigned long flags;
                                                   >> 604         int i;
517         int result;                               605         int result;
518         int available_room;                    << 
519                                                   606 
520         dbg("%s - port %d", __FUNCTION__, port    607         dbg("%s - port %d", __FUNCTION__, port->number);
521                                                   608 
522         if (status) {                          !! 609         if (urb->status) {
523                 dbg("%s - nonzero read bulk st !! 610                 dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status);
524                     __FUNCTION__, status);     << 
525                 return;                           611                 return;
526         }                                         612         }
527                                                   613 
528         usb_serial_debug_data(debug, &port->de    614         usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data);
529                                                   615 
530         tty = port->tty;                          616         tty = port->tty;
531         if (tty && urb->actual_length) {          617         if (tty && urb->actual_length) {
532                 available_room = tty_buffer_re !! 618                 for (i = 0; i < urb->actual_length ; ++i) {
533                 if (available_room) {          !! 619                         /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */
534                         tty_insert_flip_string !! 620                         if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
535                         tty_flip_buffer_push(t !! 621                                 tty_flip_buffer_push(tty);
                                                   >> 622                         }
                                                   >> 623                         /* this doesn't actually push the data through unless tty->low_latency is set */
                                                   >> 624                         tty_insert_flip_char(tty, data[i], 0);
536                 }                                 625                 }
537                 spin_lock(&priv->lock);        !! 626                 tty_flip_buffer_push(tty);
538                 priv->bytes_in += available_ro << 
539                                                << 
540         } else {                               << 
541                 spin_lock(&priv->lock);        << 
542         }                                         627         }
                                                   >> 628         spin_lock_irqsave(&priv->lock, flags);
                                                   >> 629         priv->bytes_in += urb->actual_length;
                                                   >> 630         spin_unlock_irqrestore(&priv->lock, flags);
543                                                   631 
544         /* Continue trying to always read if w !! 632         /* Continue trying to always read  */
545         if (!priv->throttled) {                !! 633         usb_fill_bulk_urb (port->read_urb, port->serial->dev,
546                 usb_fill_bulk_urb (port->read_ !! 634                            usb_rcvbulkpipe(port->serial->dev,
547                                    usb_rcvbulk !! 635                                            port->bulk_in_endpointAddress),
548                                                !! 636                            port->read_urb->transfer_buffer,
549                                    port->read_ !! 637                            port->read_urb->transfer_buffer_length,
550                                    port->read_ !! 638                            visor_read_bulk_callback, port);
551                                    visor_read_ !! 639         result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
552                 result = usb_submit_urb(port-> !! 640         if (result)
553                 if (result)                    !! 641                 dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
554                         dev_err(&port->dev, "% !! 642         return;
555         } else {                               << 
556                 priv->actually_throttled = 1;  << 
557         }                                      << 
558         spin_unlock(&priv->lock);              << 
559 }                                                 643 }
560                                                   644 
561 static void visor_read_int_callback (struct ur !! 645 static void visor_read_int_callback (struct urb *urb, struct pt_regs *regs)
562 {                                                 646 {
563         struct usb_serial_port *port = (struct    647         struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
564         int status = urb->status;              << 
565         int result;                               648         int result;
566                                                   649 
567         switch (status) {                      !! 650         switch (urb->status) {
568         case 0:                                   651         case 0:
569                 /* success */                     652                 /* success */
570                 break;                            653                 break;
571         case -ECONNRESET:                         654         case -ECONNRESET:
572         case -ENOENT:                             655         case -ENOENT:
573         case -ESHUTDOWN:                          656         case -ESHUTDOWN:
574                 /* this urb is terminated, cle    657                 /* this urb is terminated, clean up */
575                 dbg("%s - urb shutting down wi    658                 dbg("%s - urb shutting down with status: %d",
576                     __FUNCTION__, status);     !! 659                     __FUNCTION__, urb->status);
577                 return;                           660                 return;
578         default:                                  661         default:
579                 dbg("%s - nonzero urb status r    662                 dbg("%s - nonzero urb status received: %d",
580                     __FUNCTION__, status);     !! 663                     __FUNCTION__, urb->status);
581                 goto exit;                        664                 goto exit;
582         }                                         665         }
583                                                   666 
584         /*                                        667         /*
585          * This information is still unknown w    668          * This information is still unknown what it can be used for.
586          * If anyone has an idea, please let t    669          * If anyone has an idea, please let the author know...
587          *                                        670          *
588          * Rumor has it this endpoint is used     671          * Rumor has it this endpoint is used to notify when data
589          * is ready to be read from the bulk o    672          * is ready to be read from the bulk ones.
590          */                                       673          */
591         usb_serial_debug_data(debug, &port->de    674         usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
592                               urb->actual_leng    675                               urb->actual_length, urb->transfer_buffer);
593                                                   676 
594 exit:                                             677 exit:
595         result = usb_submit_urb (urb, GFP_ATOM    678         result = usb_submit_urb (urb, GFP_ATOMIC);
596         if (result)                               679         if (result)
597                 dev_err(&urb->dev->dev, "%s -     680                 dev_err(&urb->dev->dev, "%s - Error %d submitting interrupt urb\n",
598                         __FUNCTION__, result);    681                         __FUNCTION__, result);
599 }                                                 682 }
600                                                   683 
601 static void visor_throttle (struct usb_serial_    684 static void visor_throttle (struct usb_serial_port *port)
602 {                                                 685 {
603         struct visor_private *priv = usb_get_s << 
604         unsigned long flags;                   << 
605                                                << 
606         dbg("%s - port %d", __FUNCTION__, port    686         dbg("%s - port %d", __FUNCTION__, port->number);
607         spin_lock_irqsave(&priv->lock, flags); !! 687         usb_kill_urb(port->read_urb);
608         priv->throttled = 1;                   << 
609         spin_unlock_irqrestore(&priv->lock, fl << 
610 }                                                 688 }
611                                                   689 
612                                                   690 
613 static void visor_unthrottle (struct usb_seria    691 static void visor_unthrottle (struct usb_serial_port *port)
614 {                                                 692 {
615         struct visor_private *priv = usb_get_s << 
616         unsigned long flags;                   << 
617         int result;                               693         int result;
618                                                   694 
619         dbg("%s - port %d", __FUNCTION__, port    695         dbg("%s - port %d", __FUNCTION__, port->number);
620         spin_lock_irqsave(&priv->lock, flags); << 
621         priv->throttled = 0;                   << 
622         priv->actually_throttled = 0;          << 
623         spin_unlock_irqrestore(&priv->lock, fl << 
624                                                   696 
625         port->read_urb->dev = port->serial->de    697         port->read_urb->dev = port->serial->dev;
626         result = usb_submit_urb(port->read_urb    698         result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
627         if (result)                               699         if (result)
628                 dev_err(&port->dev, "%s - fail    700                 dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __FUNCTION__, result);
629 }                                                 701 }
630                                                   702 
631 static int palm_os_3_probe (struct usb_serial     703 static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id)
632 {                                                 704 {
633         struct device *dev = &serial->dev->dev    705         struct device *dev = &serial->dev->dev;
634         struct visor_connection_info *connecti    706         struct visor_connection_info *connection_info;
635         unsigned char *transfer_buffer;           707         unsigned char *transfer_buffer;
636         char *string;                             708         char *string;
637         int retval = 0;                           709         int retval = 0;
638         int i;                                    710         int i;
639         int num_ports = 0;                        711         int num_ports = 0;
640                                                   712 
641         dbg("%s", __FUNCTION__);                  713         dbg("%s", __FUNCTION__);
642                                                   714 
643         transfer_buffer = kmalloc (sizeof (*co    715         transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL);
644         if (!transfer_buffer) {                   716         if (!transfer_buffer) {
645                 dev_err(dev, "%s - kmalloc(%Zd    717                 dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __FUNCTION__,
646                         sizeof(*connection_inf    718                         sizeof(*connection_info));
647                 return -ENOMEM;                   719                 return -ENOMEM;
648         }                                         720         }
649                                                   721 
650         /* send a get connection info request     722         /* send a get connection info request */
651         retval = usb_control_msg (serial->dev,    723         retval = usb_control_msg (serial->dev,
652                                   usb_rcvctrlp    724                                   usb_rcvctrlpipe(serial->dev, 0),
653                                   VISOR_GET_CO    725                                   VISOR_GET_CONNECTION_INFORMATION,
654                                   0xc2, 0x0000    726                                   0xc2, 0x0000, 0x0000, transfer_buffer,
655                                   sizeof(*conn    727                                   sizeof(*connection_info), 300);
656         if (retval < 0) {                         728         if (retval < 0) {
657                 dev_err(dev, "%s - error %d ge    729                 dev_err(dev, "%s - error %d getting connection information\n",
658                         __FUNCTION__, retval);    730                         __FUNCTION__, retval);
659                 goto exit;                        731                 goto exit;
660         }                                         732         }
661                                                   733 
662         if (retval == sizeof(*connection_info)    734         if (retval == sizeof(*connection_info)) {
663                 connection_info = (struct viso    735                 connection_info = (struct visor_connection_info *)transfer_buffer;
664                                                   736 
665                 num_ports = le16_to_cpu(connec    737                 num_ports = le16_to_cpu(connection_info->num_ports);
666                 for (i = 0; i < num_ports; ++i    738                 for (i = 0; i < num_ports; ++i) {
667                         switch (connection_inf    739                         switch (connection_info->connections[i].port_function_id) {
668                                 case VISOR_FUN    740                                 case VISOR_FUNCTION_GENERIC:
669                                         string    741                                         string = "Generic";
670                                         break;    742                                         break;
671                                 case VISOR_FUN    743                                 case VISOR_FUNCTION_DEBUGGER:
672                                         string    744                                         string = "Debugger";
673                                         break;    745                                         break;
674                                 case VISOR_FUN    746                                 case VISOR_FUNCTION_HOTSYNC:
675                                         string    747                                         string = "HotSync";
676                                         break;    748                                         break;
677                                 case VISOR_FUN    749                                 case VISOR_FUNCTION_CONSOLE:
678                                         string    750                                         string = "Console";
679                                         break;    751                                         break;
680                                 case VISOR_FUN    752                                 case VISOR_FUNCTION_REMOTE_FILE_SYS:
681                                         string    753                                         string = "Remote File System";
682                                         break;    754                                         break;
683                                 default:          755                                 default:
684                                         string    756                                         string = "unknown";
685                                         break;    757                                         break;
686                         }                         758                         }
687                         dev_info(dev, "%s: por    759                         dev_info(dev, "%s: port %d, is for %s use\n",
688                                 serial->type-> !! 760                                 serial->type->name,
689                                 connection_inf    761                                 connection_info->connections[i].port, string);
690                 }                                 762                 }
691         }                                         763         }
692         /*                                        764         /*
693         * Handle devices that report invalid s    765         * Handle devices that report invalid stuff here.
694         */                                        766         */
695         if (num_ports == 0 || num_ports > 2) {    767         if (num_ports == 0 || num_ports > 2) {
696                 dev_warn (dev, "%s: No valid c    768                 dev_warn (dev, "%s: No valid connect info available\n",
697                         serial->type->descript !! 769                         serial->type->name);
698                 num_ports = 2;                    770                 num_ports = 2;
699         }                                         771         }
700                                                   772   
701         dev_info(dev, "%s: Number of ports: %d !! 773         dev_info(dev, "%s: Number of ports: %d\n", serial->type->name,
702                 num_ports);                       774                 num_ports);
703                                                   775 
704         /*                                        776         /*
705          * save off our num_ports info so that    777          * save off our num_ports info so that we can use it in the
706          * calc_num_ports callback                778          * calc_num_ports callback
707          */                                       779          */
708         usb_set_serial_data(serial, (void *)(l    780         usb_set_serial_data(serial, (void *)(long)num_ports);
709                                                   781 
710         /* ask for the number of bytes availab    782         /* ask for the number of bytes available, but ignore the response as it is broken */
711         retval = usb_control_msg (serial->dev,    783         retval = usb_control_msg (serial->dev,
712                                   usb_rcvctrlp    784                                   usb_rcvctrlpipe(serial->dev, 0),
713                                   VISOR_REQUES    785                                   VISOR_REQUEST_BYTES_AVAILABLE,
714                                   0xc2, 0x0000    786                                   0xc2, 0x0000, 0x0005, transfer_buffer,
715                                   0x02, 300);     787                                   0x02, 300);
716         if (retval < 0)                           788         if (retval < 0)
717                 dev_err(dev, "%s - error %d ge    789                 dev_err(dev, "%s - error %d getting bytes available request\n",
718                         __FUNCTION__, retval);    790                         __FUNCTION__, retval);
719         retval = 0;                               791         retval = 0;
720                                                   792 
721 exit:                                             793 exit:
722         kfree (transfer_buffer);                  794         kfree (transfer_buffer);
723                                                   795 
724         return retval;                            796         return retval;
725 }                                                 797 }
726                                                   798 
727 static int palm_os_4_probe (struct usb_serial     799 static int palm_os_4_probe (struct usb_serial *serial, const struct usb_device_id *id)
728 {                                                 800 {
729         struct device *dev = &serial->dev->dev    801         struct device *dev = &serial->dev->dev;
730         struct palm_ext_connection_info *conne    802         struct palm_ext_connection_info *connection_info;
731         unsigned char *transfer_buffer;           803         unsigned char *transfer_buffer;
732         int retval;                               804         int retval;
733                                                   805 
734         dbg("%s", __FUNCTION__);                  806         dbg("%s", __FUNCTION__);
735                                                   807 
736         transfer_buffer =  kmalloc (sizeof (*c    808         transfer_buffer =  kmalloc (sizeof (*connection_info), GFP_KERNEL);
737         if (!transfer_buffer) {                   809         if (!transfer_buffer) {
738                 dev_err(dev, "%s - kmalloc(%Zd    810                 dev_err(dev, "%s - kmalloc(%Zd) failed.\n", __FUNCTION__,
739                         sizeof(*connection_inf    811                         sizeof(*connection_info));
740                 return -ENOMEM;                   812                 return -ENOMEM;
741         }                                         813         }
742                                                   814 
743         retval = usb_control_msg (serial->dev,    815         retval = usb_control_msg (serial->dev,
744                                   usb_rcvctrlp    816                                   usb_rcvctrlpipe(serial->dev, 0), 
745                                   PALM_GET_EXT    817                                   PALM_GET_EXT_CONNECTION_INFORMATION,
746                                   0xc2, 0x0000    818                                   0xc2, 0x0000, 0x0000, transfer_buffer,
747                                   sizeof (*con    819                                   sizeof (*connection_info), 300);
748         if (retval < 0)                           820         if (retval < 0)
749                 dev_err(dev, "%s - error %d ge    821                 dev_err(dev, "%s - error %d getting connection info\n",
750                         __FUNCTION__, retval);    822                         __FUNCTION__, retval);
751         else                                      823         else
752                 usb_serial_debug_data(debug, &    824                 usb_serial_debug_data(debug, &serial->dev->dev, __FUNCTION__,
753                                       retval,     825                                       retval, transfer_buffer);
754                                                   826 
755         kfree (transfer_buffer);                  827         kfree (transfer_buffer);
756         return 0;                                 828         return 0;
757 }                                                 829 }
758                                                   830 
759                                                   831 
760 static int visor_probe (struct usb_serial *ser    832 static int visor_probe (struct usb_serial *serial, const struct usb_device_id *id)
761 {                                                 833 {
762         int retval = 0;                           834         int retval = 0;
763         int (*startup) (struct usb_serial *ser    835         int (*startup) (struct usb_serial *serial, const struct usb_device_id *id);
764                                                   836 
765         dbg("%s", __FUNCTION__);                  837         dbg("%s", __FUNCTION__);
766                                                   838 
767         if (serial->dev->actconfig->desc.bConf    839         if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
768                 err("active config #%d != 1 ??    840                 err("active config #%d != 1 ??",
769                         serial->dev->actconfig    841                         serial->dev->actconfig->desc.bConfigurationValue);
770                 return -ENODEV;                   842                 return -ENODEV;
771         }                                         843         }
772                                                   844 
773         if (id->driver_info) {                    845         if (id->driver_info) {
774                 startup = (void *)id->driver_i    846                 startup = (void *)id->driver_info;
775                 retval = startup(serial, id);     847                 retval = startup(serial, id);
776         }                                         848         }
777                                                   849 
778         return retval;                            850         return retval;
779 }                                                 851 }
780                                                   852 
781 static int visor_calc_num_ports (struct usb_se    853 static int visor_calc_num_ports (struct usb_serial *serial)
782 {                                                 854 {
783         int num_ports = (int)(long)(usb_get_se    855         int num_ports = (int)(long)(usb_get_serial_data(serial));
784                                                   856 
785         if (num_ports)                            857         if (num_ports)
786                 usb_set_serial_data(serial, NU    858                 usb_set_serial_data(serial, NULL);
787                                                   859 
788         return num_ports;                         860         return num_ports;
789 }                                                 861 }
790                                                   862 
791 static int generic_startup(struct usb_serial *    863 static int generic_startup(struct usb_serial *serial)
792 {                                                 864 {
793         struct usb_serial_port **ports = seria << 
794         struct visor_private *priv;               865         struct visor_private *priv;
795         int i;                                    866         int i;
796                                                   867 
797         for (i = 0; i < serial->num_ports; ++i    868         for (i = 0; i < serial->num_ports; ++i) {
798                 priv = kzalloc (sizeof(*priv), !! 869                 priv = kmalloc (sizeof(*priv), GFP_KERNEL);
799                 if (!priv) {                   !! 870                 if (!priv)
800                         while (i-- != 0) {     << 
801                                 priv = usb_get << 
802                                 usb_set_serial << 
803                                 kfree(priv);   << 
804                         }                      << 
805                         return -ENOMEM;           871                         return -ENOMEM;
806                 }                              !! 872                 memset (priv, 0x00, sizeof(*priv));
807                 spin_lock_init(&priv->lock);      873                 spin_lock_init(&priv->lock);
808                 usb_set_serial_port_data(ports !! 874                 usb_set_serial_port_data(serial->port[i], priv);
809         }                                         875         }
810         return 0;                                 876         return 0;
811 }                                                 877 }
812                                                   878 
813 static int clie_3_5_startup (struct usb_serial    879 static int clie_3_5_startup (struct usb_serial *serial)
814 {                                                 880 {
815         struct device *dev = &serial->dev->dev    881         struct device *dev = &serial->dev->dev;
816         int result;                               882         int result;
817         u8 data;                                  883         u8 data;
818                                                   884 
819         dbg("%s", __FUNCTION__);                  885         dbg("%s", __FUNCTION__);
820                                                   886 
821         /*                                        887         /*
822          * Note that PEG-300 series devices ex    888          * Note that PEG-300 series devices expect the following two calls.
823          */                                       889          */
824                                                   890 
825         /* get the config number */               891         /* get the config number */
826         result = usb_control_msg (serial->dev,    892         result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0),
827                                   USB_REQ_GET_    893                                   USB_REQ_GET_CONFIGURATION, USB_DIR_IN,
828                                   0, 0, &data, !! 894                                   0, 0, &data, 1, HZ * 3);
829         if (result < 0) {                         895         if (result < 0) {
830                 dev_err(dev, "%s: get config n    896                 dev_err(dev, "%s: get config number failed: %d\n", __FUNCTION__, result);
831                 return result;                    897                 return result;
832         }                                         898         }
833         if (result != 1) {                        899         if (result != 1) {
834                 dev_err(dev, "%s: get config n    900                 dev_err(dev, "%s: get config number bad return length: %d\n", __FUNCTION__, result);
835                 return -EIO;                      901                 return -EIO;
836         }                                         902         }
837                                                   903 
838         /* get the interface number */            904         /* get the interface number */
839         result = usb_control_msg (serial->dev,    905         result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0),
840                                   USB_REQ_GET_    906                                   USB_REQ_GET_INTERFACE, 
841                                   USB_DIR_IN |    907                                   USB_DIR_IN | USB_RECIP_INTERFACE,
842                                   0, 0, &data, !! 908                                   0, 0, &data, 1, HZ * 3);
843         if (result < 0) {                         909         if (result < 0) {
844                 dev_err(dev, "%s: get interfac    910                 dev_err(dev, "%s: get interface number failed: %d\n", __FUNCTION__, result);
845                 return result;                    911                 return result;
846         }                                         912         }
847         if (result != 1) {                        913         if (result != 1) {
848                 dev_err(dev, "%s: get interfac    914                 dev_err(dev, "%s: get interface number bad return length: %d\n", __FUNCTION__, result);
849                 return -EIO;                      915                 return -EIO;
850         }                                         916         }
851                                                   917 
852         return generic_startup(serial);           918         return generic_startup(serial);
853 }                                                 919 }
854                                                   920  
855 static int treo_attach (struct usb_serial *ser    921 static int treo_attach (struct usb_serial *serial)
856 {                                                 922 {
857         struct usb_serial_port *swap_port;        923         struct usb_serial_port *swap_port;
858                                                   924 
859         /* Only do this endpoint hack for the     925         /* Only do this endpoint hack for the Handspring devices with
860          * interrupt in endpoints, which for n    926          * interrupt in endpoints, which for now are the Treo devices. */
861         if (!((le16_to_cpu(serial->dev->descri    927         if (!((le16_to_cpu(serial->dev->descriptor.idVendor) == HANDSPRING_VENDOR_ID) ||
862               (le16_to_cpu(serial->dev->descri    928               (le16_to_cpu(serial->dev->descriptor.idVendor) == KYOCERA_VENDOR_ID)) ||
863             (serial->num_interrupt_in == 0))      929             (serial->num_interrupt_in == 0))
864                 goto generic_startup;             930                 goto generic_startup;
865                                                   931 
866         dbg("%s", __FUNCTION__);                  932         dbg("%s", __FUNCTION__);
867                                                   933 
868         /*                                        934         /*
869         * It appears that Treos and Kyoceras w    935         * It appears that Treos and Kyoceras want to use the 
870         * 1st bulk in endpoint to communicate     936         * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, 
871         * so let's swap the 1st and 2nd bulk i    937         * so let's swap the 1st and 2nd bulk in and interrupt endpoints.  
872         * Note that swapping the bulk out endp    938         * Note that swapping the bulk out endpoints would break lots of 
873         * apps that want to communicate on the    939         * apps that want to communicate on the second port.
874         */                                        940         */
875 #define COPY_PORT(dest, src)                      941 #define COPY_PORT(dest, src)                                            \
876         dest->read_urb = src->read_urb;           942         dest->read_urb = src->read_urb;                                 \
877         dest->bulk_in_endpointAddress = src->b    943         dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;   \
878         dest->bulk_in_buffer = src->bulk_in_bu    944         dest->bulk_in_buffer = src->bulk_in_buffer;                     \
879         dest->interrupt_in_urb = src->interrup    945         dest->interrupt_in_urb = src->interrupt_in_urb;                 \
880         dest->interrupt_in_endpointAddress = s    946         dest->interrupt_in_endpointAddress = src->interrupt_in_endpointAddress; \
881         dest->interrupt_in_buffer = src->inter    947         dest->interrupt_in_buffer = src->interrupt_in_buffer;
882                                                   948 
883         swap_port = kmalloc(sizeof(*swap_port)    949         swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL);
884         if (!swap_port)                           950         if (!swap_port)
885                 return -ENOMEM;                   951                 return -ENOMEM;
886         COPY_PORT(swap_port, serial->port[0]);    952         COPY_PORT(swap_port, serial->port[0]);
887         COPY_PORT(serial->port[0], serial->por    953         COPY_PORT(serial->port[0], serial->port[1]);
888         COPY_PORT(serial->port[1], swap_port);    954         COPY_PORT(serial->port[1], swap_port);
889         kfree(swap_port);                         955         kfree(swap_port);
890                                                   956 
891 generic_startup:                                  957 generic_startup:
892         return generic_startup(serial);           958         return generic_startup(serial);
893 }                                                 959 }
894                                                   960 
895 static int clie_5_attach (struct usb_serial *s    961 static int clie_5_attach (struct usb_serial *serial)
896 {                                                 962 {
897         dbg("%s", __FUNCTION__);                  963         dbg("%s", __FUNCTION__);
898                                                   964 
899         /* TH55 registers 2 ports.                965         /* TH55 registers 2 ports. 
900            Communication in from the UX50/TH55    966            Communication in from the UX50/TH55 uses bulk_in_endpointAddress from port 0 
901            Communication out to the UX50/TH55     967            Communication out to the UX50/TH55 uses bulk_out_endpointAddress from port 1 
902                                                   968            
903            Lets do a quick and dirty mapping      969            Lets do a quick and dirty mapping
904          */                                       970          */
905                                                   971         
906         /* some sanity check */                   972         /* some sanity check */
907         if (serial->num_ports < 2)                973         if (serial->num_ports < 2)
908                 return -1;                        974                 return -1;
909                                                   975                 
910         /* port 0 now uses the modified endpoi    976         /* port 0 now uses the modified endpoint Address */
911         serial->port[0]->bulk_out_endpointAddr    977         serial->port[0]->bulk_out_endpointAddress = serial->port[1]->bulk_out_endpointAddress;
912                                                   978 
913         return generic_startup(serial);           979         return generic_startup(serial);
914 }                                                 980 }
915                                                   981 
916 static void visor_shutdown (struct usb_serial     982 static void visor_shutdown (struct usb_serial *serial)
917 {                                                 983 {
918         struct visor_private *priv;            << 
919         int i;                                 << 
920                                                << 
921         dbg("%s", __FUNCTION__);                  984         dbg("%s", __FUNCTION__);
922                                                << 
923         for (i = 0; i < serial->num_ports; i++ << 
924                 priv = usb_get_serial_port_dat << 
925                 if (priv) {                    << 
926                         usb_set_serial_port_da << 
927                         kfree(priv);           << 
928                 }                              << 
929         }                                      << 
930 }                                                 985 }
931                                                   986 
932 static int visor_ioctl (struct usb_serial_port    987 static int visor_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg)
933 {                                                 988 {
934         dbg("%s - port %d, cmd 0x%.4x", __FUNC    989         dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd);
935                                                   990 
936         return -ENOIOCTLCMD;                      991         return -ENOIOCTLCMD;
937 }                                                 992 }
938                                                   993 
                                                   >> 994 
                                                   >> 995 /* This function is all nice and good, but we don't change anything based on it :) */
                                                   >> 996 static void visor_set_termios (struct usb_serial_port *port, struct termios *old_termios)
                                                   >> 997 {
                                                   >> 998         unsigned int cflag;
                                                   >> 999 
                                                   >> 1000         dbg("%s - port %d", __FUNCTION__, port->number);
                                                   >> 1001 
                                                   >> 1002         if ((!port->tty) || (!port->tty->termios)) {
                                                   >> 1003                 dbg("%s - no tty structures", __FUNCTION__);
                                                   >> 1004                 return;
                                                   >> 1005         }
                                                   >> 1006 
                                                   >> 1007         cflag = port->tty->termios->c_cflag;
                                                   >> 1008         /* check that they really want us to change something */
                                                   >> 1009         if (old_termios) {
                                                   >> 1010                 if ((cflag == old_termios->c_cflag) &&
                                                   >> 1011                     (RELEVANT_IFLAG(port->tty->termios->c_iflag) == RELEVANT_IFLAG(old_termios->c_iflag))) {
                                                   >> 1012                         dbg("%s - nothing to change...", __FUNCTION__);
                                                   >> 1013                         return;
                                                   >> 1014                 }
                                                   >> 1015         }
                                                   >> 1016 
                                                   >> 1017         /* get the byte size */
                                                   >> 1018         switch (cflag & CSIZE) {
                                                   >> 1019                 case CS5:       dbg("%s - data bits = 5", __FUNCTION__);   break;
                                                   >> 1020                 case CS6:       dbg("%s - data bits = 6", __FUNCTION__);   break;
                                                   >> 1021                 case CS7:       dbg("%s - data bits = 7", __FUNCTION__);   break;
                                                   >> 1022                 default:
                                                   >> 1023                 case CS8:       dbg("%s - data bits = 8", __FUNCTION__);   break;
                                                   >> 1024         }
                                                   >> 1025         
                                                   >> 1026         /* determine the parity */
                                                   >> 1027         if (cflag & PARENB)
                                                   >> 1028                 if (cflag & PARODD)
                                                   >> 1029                         dbg("%s - parity = odd", __FUNCTION__);
                                                   >> 1030                 else
                                                   >> 1031                         dbg("%s - parity = even", __FUNCTION__);
                                                   >> 1032         else
                                                   >> 1033                 dbg("%s - parity = none", __FUNCTION__);
                                                   >> 1034 
                                                   >> 1035         /* figure out the stop bits requested */
                                                   >> 1036         if (cflag & CSTOPB)
                                                   >> 1037                 dbg("%s - stop bits = 2", __FUNCTION__);
                                                   >> 1038         else
                                                   >> 1039                 dbg("%s - stop bits = 1", __FUNCTION__);
                                                   >> 1040 
                                                   >> 1041         
                                                   >> 1042         /* figure out the flow control settings */
                                                   >> 1043         if (cflag & CRTSCTS)
                                                   >> 1044                 dbg("%s - RTS/CTS is enabled", __FUNCTION__);
                                                   >> 1045         else
                                                   >> 1046                 dbg("%s - RTS/CTS is disabled", __FUNCTION__);
                                                   >> 1047         
                                                   >> 1048         /* determine software flow control */
                                                   >> 1049         if (I_IXOFF(port->tty))
                                                   >> 1050                 dbg("%s - XON/XOFF is enabled, XON = %2x, XOFF = %2x",
                                                   >> 1051                     __FUNCTION__, START_CHAR(port->tty), STOP_CHAR(port->tty));
                                                   >> 1052         else
                                                   >> 1053                 dbg("%s - XON/XOFF is disabled", __FUNCTION__);
                                                   >> 1054 
                                                   >> 1055         /* get the baud rate wanted */
                                                   >> 1056         dbg("%s - baud rate = %d", __FUNCTION__, tty_get_baud_rate(port->tty));
                                                   >> 1057 
                                                   >> 1058         return;
                                                   >> 1059 }
                                                   >> 1060 
                                                   >> 1061 
939 static int __init visor_init (void)               1062 static int __init visor_init (void)
940 {                                                 1063 {
941         int i, retval;                            1064         int i, retval;
942         /* Only if parameters were passed to u    1065         /* Only if parameters were passed to us */
943         if ((vendor>0) && (product>0)) {          1066         if ((vendor>0) && (product>0)) {
944                 struct usb_device_id usb_dev_t    1067                 struct usb_device_id usb_dev_temp[]=
945                         {{USB_DEVICE(vendor, p    1068                         {{USB_DEVICE(vendor, product),
946                         .driver_info = (kernel    1069                         .driver_info = (kernel_ulong_t)&palm_os_4_probe }};
947                                                   1070 
948                 /* Find the last entry in id_t    1071                 /* Find the last entry in id_table */
949                 for (i=0; ; i++) {                1072                 for (i=0; ; i++) {
950                         if (id_table[i].idVend    1073                         if (id_table[i].idVendor==0) {
951                                 id_table[i] =     1074                                 id_table[i] = usb_dev_temp[0];
952                                 break;            1075                                 break;
953                         }                         1076                         }
954                 }                                 1077                 }
955                 /* Find the last entry in id_t    1078                 /* Find the last entry in id_table_combined */
956                 for (i=0; ; i++) {                1079                 for (i=0; ; i++) {
957                         if (id_table_combined[    1080                         if (id_table_combined[i].idVendor==0) {
958                                 id_table_combi    1081                                 id_table_combined[i] = usb_dev_temp[0];
959                                 break;            1082                                 break;
960                         }                         1083                         }
961                 }                                 1084                 }
962                 info("Untested USB device spec    1085                 info("Untested USB device specified at time of module insertion");
963                 info("Warning: This is not gua    1086                 info("Warning: This is not guaranteed to work");
964                 info("Using a newer kernel is     1087                 info("Using a newer kernel is preferred to this method");
965                 info("Adding Palm OS protocol     1088                 info("Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x",
966                         vendor, product);         1089                         vendor, product);
967         }                                         1090         }
968         retval = usb_serial_register(&handspri    1091         retval = usb_serial_register(&handspring_device);
969         if (retval)                               1092         if (retval)
970                 goto failed_handspring_registe    1093                 goto failed_handspring_register;
971         retval = usb_serial_register(&clie_3_5    1094         retval = usb_serial_register(&clie_3_5_device);
972         if (retval)                               1095         if (retval)
973                 goto failed_clie_3_5_register;    1096                 goto failed_clie_3_5_register;
974         retval = usb_serial_register(&clie_5_d    1097         retval = usb_serial_register(&clie_5_device);
975         if (retval)                               1098         if (retval)
976                 goto failed_clie_5_register;      1099                 goto failed_clie_5_register;
977         retval = usb_register(&visor_driver);     1100         retval = usb_register(&visor_driver);
978         if (retval)                               1101         if (retval) 
979                 goto failed_usb_register;         1102                 goto failed_usb_register;
980         info(DRIVER_DESC);                     !! 1103         info(DRIVER_DESC " " DRIVER_VERSION);
981                                                   1104 
982         return 0;                                 1105         return 0;
983 failed_usb_register:                              1106 failed_usb_register:
984         usb_serial_deregister(&clie_5_device);    1107         usb_serial_deregister(&clie_5_device);
985 failed_clie_5_register:                           1108 failed_clie_5_register:
986         usb_serial_deregister(&clie_3_5_device    1109         usb_serial_deregister(&clie_3_5_device);
987 failed_clie_3_5_register:                         1110 failed_clie_3_5_register:
988         usb_serial_deregister(&handspring_devi    1111         usb_serial_deregister(&handspring_device);
989 failed_handspring_register:                       1112 failed_handspring_register:
990         return retval;                            1113         return retval;
991 }                                                 1114 }
992                                                   1115 
993                                                   1116 
994 static void __exit visor_exit (void)              1117 static void __exit visor_exit (void)
995 {                                                 1118 {
996         usb_deregister (&visor_driver);           1119         usb_deregister (&visor_driver);
997         usb_serial_deregister (&handspring_dev    1120         usb_serial_deregister (&handspring_device);
998         usb_serial_deregister (&clie_3_5_devic    1121         usb_serial_deregister (&clie_3_5_device);
999         usb_serial_deregister (&clie_5_device)    1122         usb_serial_deregister (&clie_5_device);
1000 }                                                1123 }
1001                                                  1124 
1002                                                  1125 
1003 module_init(visor_init);                         1126 module_init(visor_init);
1004 module_exit(visor_exit);                         1127 module_exit(visor_exit);
1005                                                  1128 
1006 MODULE_AUTHOR( DRIVER_AUTHOR );                  1129 MODULE_AUTHOR( DRIVER_AUTHOR );
1007 MODULE_DESCRIPTION( DRIVER_DESC );               1130 MODULE_DESCRIPTION( DRIVER_DESC );
1008 MODULE_LICENSE("GPL");                           1131 MODULE_LICENSE("GPL");
1009                                                  1132 
1010 module_param(debug, bool, S_IRUGO | S_IWUSR);    1133 module_param(debug, bool, S_IRUGO | S_IWUSR);
1011 MODULE_PARM_DESC(debug, "Debug enabled or not    1134 MODULE_PARM_DESC(debug, "Debug enabled or not");
1012 module_param(stats, bool, S_IRUGO | S_IWUSR);    1135 module_param(stats, bool, S_IRUGO | S_IWUSR);
1013 MODULE_PARM_DESC(stats, "Enables statistics o    1136 MODULE_PARM_DESC(stats, "Enables statistics or not");
1014                                                  1137 
1015 module_param(vendor, ushort, 0);                 1138 module_param(vendor, ushort, 0);
1016 MODULE_PARM_DESC(vendor, "User specified vend    1139 MODULE_PARM_DESC(vendor, "User specified vendor ID");
1017 module_param(product, ushort, 0);                1140 module_param(product, ushort, 0);
1018 MODULE_PARM_DESC(product, "User specified pro    1141 MODULE_PARM_DESC(product, "User specified product ID");
1019                                                  1142 
1020                                                  1143 
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