Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 1 | /* |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 2 | USB Driver for Sierra Wireless |
| 3 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 4 | Copyright (C) 2006, 2007, 2008 Kevin Lloyd <klloyd@sierrawireless.com>, |
| 5 | |
| 6 | Copyright (C) 2008, 2009 Elina Pasheva, Matthew Safar, Rory Filer |
| 7 | <linux@sierrawireless.com> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 8 | |
| 9 | IMPORTANT DISCLAIMER: This driver is not commercially supported by |
| 10 | Sierra Wireless. Use at your own risk. |
| 11 | |
| 12 | This driver is free software; you can redistribute it and/or modify |
| 13 | it under the terms of Version 2 of the GNU General Public License as |
| 14 | published by the Free Software Foundation. |
| 15 | |
| 16 | Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de> |
| 17 | Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 18 | */ |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 19 | /* Uncomment to log function calls */ |
| 20 | /* #define DEBUG */ |
| 21 | #define DRIVER_VERSION "v.1.7.16" |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 22 | #define DRIVER_AUTHOR "Kevin Lloyd, Elina Pasheva, Matthew Safar, Rory Filer" |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 23 | #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 24 | |
| 25 | #include <linux/kernel.h> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 26 | #include <linux/jiffies.h> |
| 27 | #include <linux/errno.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 28 | #include <linux/tty.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 29 | #include <linux/slab.h> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 30 | #include <linux/tty_flip.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 31 | #include <linux/module.h> |
| 32 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 33 | #include <linux/usb/serial.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 34 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 35 | #define SWIMS_USB_REQUEST_SetPower 0x00 |
| 36 | #define SWIMS_USB_REQUEST_SetNmea 0x07 |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 37 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 38 | #define N_IN_URB_HM 8 |
| 39 | #define N_OUT_URB_HM 64 |
| 40 | #define N_IN_URB 4 |
| 41 | #define N_OUT_URB 4 |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 42 | #define IN_BUFLEN 4096 |
| 43 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 44 | #define MAX_TRANSFER (PAGE_SIZE - 512) |
| 45 | /* MAX_TRANSFER is chosen so that the VM is not stressed by |
| 46 | allocations > PAGE_SIZE and the number of packets in a page |
| 47 | is an integer 512 is the largest possible packet on EHCI */ |
| 48 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 49 | static bool nmea; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 50 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 51 | /* Used in interface blacklisting */ |
| 52 | struct sierra_iface_info { |
| 53 | const u32 infolen; /* number of interface numbers on blacklist */ |
| 54 | const u8 *ifaceinfo; /* pointer to the array holding the numbers */ |
| 55 | }; |
| 56 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 57 | struct sierra_intf_private { |
| 58 | spinlock_t susp_lock; |
| 59 | unsigned int suspended:1; |
| 60 | int in_flight; |
| 61 | }; |
| 62 | |
Adrian Bunk | 82a24e6 | 2007-07-29 16:59:02 +0200 | [diff] [blame] | 63 | static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 64 | { |
Greg Kroah-Hartman | 64318a5 | 2012-05-03 16:44:48 -0700 | [diff] [blame] | 65 | return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 66 | SWIMS_USB_REQUEST_SetPower, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 67 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 68 | swiState, /* __u16 value */ |
| 69 | 0, /* __u16 index */ |
| 70 | NULL, /* void *data */ |
| 71 | 0, /* __u16 size */ |
| 72 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 73 | } |
| 74 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 75 | static int sierra_vsc_set_nmea(struct usb_device *udev, __u16 enable) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 76 | { |
Greg Kroah-Hartman | 64318a5 | 2012-05-03 16:44:48 -0700 | [diff] [blame] | 77 | return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 78 | SWIMS_USB_REQUEST_SetNmea, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 79 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 80 | enable, /* __u16 value */ |
| 81 | 0x0000, /* __u16 index */ |
| 82 | NULL, /* void *data */ |
| 83 | 0, /* __u16 size */ |
| 84 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 85 | } |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 86 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 87 | static int sierra_calc_num_ports(struct usb_serial *serial) |
| 88 | { |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 89 | int num_ports = 0; |
| 90 | u8 ifnum, numendpoints; |
| 91 | |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 92 | ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; |
| 93 | numendpoints = serial->interface->cur_altsetting->desc.bNumEndpoints; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 94 | |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 95 | /* Dummy interface present on some SKUs should be ignored */ |
| 96 | if (ifnum == 0x99) |
| 97 | num_ports = 0; |
| 98 | else if (numendpoints <= 3) |
| 99 | num_ports = 1; |
| 100 | else |
| 101 | num_ports = (numendpoints-1)/2; |
| 102 | return num_ports; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 103 | } |
| 104 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 105 | static int is_blacklisted(const u8 ifnum, |
| 106 | const struct sierra_iface_info *blacklist) |
| 107 | { |
| 108 | const u8 *info; |
| 109 | int i; |
| 110 | |
| 111 | if (blacklist) { |
| 112 | info = blacklist->ifaceinfo; |
| 113 | |
| 114 | for (i = 0; i < blacklist->infolen; i++) { |
| 115 | if (info[i] == ifnum) |
| 116 | return 1; |
| 117 | } |
| 118 | } |
| 119 | return 0; |
| 120 | } |
| 121 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 122 | static int is_himemory(const u8 ifnum, |
| 123 | const struct sierra_iface_info *himemorylist) |
| 124 | { |
| 125 | const u8 *info; |
| 126 | int i; |
| 127 | |
| 128 | if (himemorylist) { |
| 129 | info = himemorylist->ifaceinfo; |
| 130 | |
| 131 | for (i=0; i < himemorylist->infolen; i++) { |
| 132 | if (info[i] == ifnum) |
| 133 | return 1; |
| 134 | } |
| 135 | } |
| 136 | return 0; |
| 137 | } |
| 138 | |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 139 | static int sierra_calc_interface(struct usb_serial *serial) |
| 140 | { |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 141 | int interface; |
| 142 | struct usb_interface *p_interface; |
| 143 | struct usb_host_interface *p_host_interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 144 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 145 | /* Get the interface structure pointer from the serial struct */ |
| 146 | p_interface = serial->interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 147 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 148 | /* Get a pointer to the host interface structure */ |
| 149 | p_host_interface = p_interface->cur_altsetting; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 150 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 151 | /* read the interface descriptor for this active altsetting |
| 152 | * to find out the interface number we are on |
| 153 | */ |
| 154 | interface = p_host_interface->desc.bInterfaceNumber; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 155 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 156 | return interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 159 | static int sierra_probe(struct usb_serial *serial, |
| 160 | const struct usb_device_id *id) |
| 161 | { |
| 162 | int result = 0; |
| 163 | struct usb_device *udev; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 164 | struct sierra_intf_private *data; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 165 | u8 ifnum; |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 166 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 167 | udev = serial->dev; |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 168 | ifnum = sierra_calc_interface(serial); |
Greg Kroah-Hartman | 64318a5 | 2012-05-03 16:44:48 -0700 | [diff] [blame] | 169 | |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 170 | /* |
| 171 | * If this interface supports more than 1 alternate |
| 172 | * select the 2nd one |
| 173 | */ |
| 174 | if (serial->interface->num_altsetting == 2) { |
| 175 | dev_dbg(&udev->dev, "Selecting alt setting for interface %d\n", |
| 176 | ifnum); |
| 177 | /* We know the alternate setting is 1 for the MC8785 */ |
| 178 | usb_set_interface(udev, ifnum, 1); |
| 179 | } |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 180 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 181 | /* ifnum could have changed - by calling usb_set_interface */ |
| 182 | ifnum = sierra_calc_interface(serial); |
| 183 | |
| 184 | if (is_blacklisted(ifnum, |
| 185 | (struct sierra_iface_info *)id->driver_info)) { |
| 186 | dev_dbg(&serial->dev->dev, |
| 187 | "Ignoring blacklisted interface #%d\n", ifnum); |
| 188 | return -ENODEV; |
| 189 | } |
| 190 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 191 | data = serial->private = kzalloc(sizeof(struct sierra_intf_private), GFP_KERNEL); |
| 192 | if (!data) |
| 193 | return -ENOMEM; |
| 194 | spin_lock_init(&data->susp_lock); |
| 195 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 196 | return result; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 197 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 198 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 199 | /* interfaces with higher memory requirements */ |
| 200 | static const u8 hi_memory_typeA_ifaces[] = { 0, 2 }; |
| 201 | static const struct sierra_iface_info typeA_interface_list = { |
| 202 | .infolen = ARRAY_SIZE(hi_memory_typeA_ifaces), |
| 203 | .ifaceinfo = hi_memory_typeA_ifaces, |
| 204 | }; |
| 205 | |
| 206 | static const u8 hi_memory_typeB_ifaces[] = { 3, 4, 5, 6 }; |
| 207 | static const struct sierra_iface_info typeB_interface_list = { |
| 208 | .infolen = ARRAY_SIZE(hi_memory_typeB_ifaces), |
| 209 | .ifaceinfo = hi_memory_typeB_ifaces, |
| 210 | }; |
| 211 | |
| 212 | /* 'blacklist' of interfaces not served by this driver */ |
Bjørn Mork | 749541d1 | 2012-04-17 21:37:29 +0200 | [diff] [blame] | 213 | static const u8 direct_ip_non_serial_ifaces[] = { 7, 8, 9, 10, 11, 19, 20 }; |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 214 | static const struct sierra_iface_info direct_ip_interface_blacklist = { |
| 215 | .infolen = ARRAY_SIZE(direct_ip_non_serial_ifaces), |
| 216 | .ifaceinfo = direct_ip_non_serial_ifaces, |
| 217 | }; |
| 218 | |
Németh Márton | 7d40d7e | 2010-01-10 15:34:24 +0100 | [diff] [blame] | 219 | static const struct usb_device_id id_table[] = { |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 220 | { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */ |
| 221 | { USB_DEVICE(0x03F0, 0x1B1D) }, /* HP ev2200 a.k.a MC5720 */ |
William Lightning | cfbaa39 | 2010-03-26 10:51:20 -0700 | [diff] [blame] | 222 | { USB_DEVICE(0x03F0, 0x211D) }, /* HP ev2210 a.k.a MC5725 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 223 | { USB_DEVICE(0x03F0, 0x1E1D) }, /* HP hs2300 a.k.a MC8775 */ |
| 224 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 225 | { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 226 | { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
Greg Kroah-Hartman | 90ac3c8 | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 227 | { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 228 | { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
agilmore@wirelessbeehive.com | b9e13ac | 2007-12-04 11:37:12 -0700 | [diff] [blame] | 229 | { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 230 | { USB_DEVICE(0x1199, 0x0022) }, /* Sierra Wireless EM5725 */ |
| 231 | { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */ |
| 232 | { USB_DEVICE(0x1199, 0x0224) }, /* Sierra Wireless MC5727 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 233 | { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ |
| 234 | { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 235 | { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 236 | { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ |
august huber | 9d72c81 | 2010-06-28 11:46:05 -0700 | [diff] [blame] | 237 | { USB_DEVICE(0x1199, 0x0301) }, /* Sierra Wireless USB Dongle 250U */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 238 | /* Sierra Wireless C597 */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 239 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 240 | /* Sierra Wireless T598 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 241 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) }, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 242 | { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless T11 */ |
| 243 | { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless AC402 */ |
| 244 | { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless MC5728 */ |
| 245 | { USB_DEVICE(0x1199, 0x0029) }, /* Sierra Wireless Device */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 246 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 247 | { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
| 248 | { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 249 | { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
| 250 | { USB_DEVICE(0x1199, 0x6805) }, /* Sierra Wireless MC8765 */ |
| 251 | { USB_DEVICE(0x1199, 0x6808) }, /* Sierra Wireless MC8755 */ |
| 252 | { USB_DEVICE(0x1199, 0x6809) }, /* Sierra Wireless MC8765 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 253 | { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 254 | { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 */ |
Kevin Lloyd | 7f170a6 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 255 | { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 256 | { USB_DEVICE(0x1199, 0x6816) }, /* Sierra Wireless MC8775 */ |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 257 | { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 258 | { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 259 | { USB_DEVICE(0x1199, 0x6822) }, /* Sierra Wireless AirCard 875E */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 260 | { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */ |
| 261 | { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 262 | { USB_DEVICE(0x1199, 0x6834) }, /* Sierra Wireless MC8780 */ |
| 263 | { USB_DEVICE(0x1199, 0x6835) }, /* Sierra Wireless MC8781 */ |
| 264 | { USB_DEVICE(0x1199, 0x6838) }, /* Sierra Wireless MC8780 */ |
| 265 | { USB_DEVICE(0x1199, 0x6839) }, /* Sierra Wireless MC8781 */ |
Kevin Lloyd | b77a5c7 | 2008-09-17 09:03:38 -0700 | [diff] [blame] | 266 | { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 267 | { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 268 | /* Sierra Wireless MC8790, MC8791, MC8792 Composite */ |
| 269 | { USB_DEVICE(0x1199, 0x683C) }, |
| 270 | { USB_DEVICE(0x1199, 0x683D) }, /* Sierra Wireless MC8791 Composite */ |
| 271 | /* Sierra Wireless MC8790, MC8791, MC8792 */ |
| 272 | { USB_DEVICE(0x1199, 0x683E) }, |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 273 | { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
| 274 | { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ |
| 275 | { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */ |
| 276 | { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */ |
Kevin Lloyd | 6835b32 | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 277 | { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
Jessica L. Blank | 62aad3a | 2007-12-30 20:11:35 -0600 | [diff] [blame] | 278 | { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 279 | { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */ |
| 280 | { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */ |
| 281 | /* Sierra Wireless C885 */ |
| 282 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 283 | /* Sierra Wireless C888, Air Card 501, USB 303, USB 304 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 284 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 285 | /* Sierra Wireless C22/C33 */ |
Kevin Lloyd | 73b2c20 | 2008-08-25 19:20:40 -0700 | [diff] [blame] | 286 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 287 | /* Sierra Wireless HSPA Non-Composite Device */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 288 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 289 | { USB_DEVICE(0x1199, 0x6893) }, /* Sierra Wireless Device */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 290 | { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ |
| 291 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist |
| 292 | }, |
Tom Cassidy | 19a3dd1 | 2012-06-06 17:08:48 +1000 | [diff] [blame] | 293 | /* AT&T Direct IP LTE modems */ |
| 294 | { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF), |
| 295 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist |
| 296 | }, |
Jon Thomas | e1dc515 | 2011-02-16 11:02:34 -0500 | [diff] [blame] | 297 | { USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */ |
| 298 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist |
| 299 | }, |
Richard Farina | 1ebca9d | 2010-01-20 16:42:33 -0500 | [diff] [blame] | 300 | { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 301 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 302 | { } |
| 303 | }; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 304 | MODULE_DEVICE_TABLE(usb, id_table); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 305 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 306 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 307 | struct sierra_port_private { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 308 | spinlock_t lock; /* lock the structure */ |
| 309 | int outstanding_urbs; /* number of out urbs in flight */ |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 310 | struct usb_anchor active; |
| 311 | struct usb_anchor delayed; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 312 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 313 | int num_out_urbs; |
| 314 | int num_in_urbs; |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 315 | /* Input endpoints and buffers for this port */ |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 316 | struct urb *in_urbs[N_IN_URB_HM]; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 317 | |
| 318 | /* Settings for the port */ |
| 319 | int rts_state; /* Handshaking pins (outputs) */ |
| 320 | int dtr_state; |
| 321 | int cts_state; /* Handshaking pins (inputs) */ |
| 322 | int dsr_state; |
| 323 | int dcd_state; |
| 324 | int ri_state; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 325 | unsigned int opened:1; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 326 | }; |
| 327 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 328 | static int sierra_send_setup(struct usb_serial_port *port) |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 329 | { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 330 | struct usb_serial *serial = port->serial; |
| 331 | struct sierra_port_private *portdata; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 332 | __u16 interface = 0; |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 333 | int val = 0; |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 334 | int do_send = 0; |
| 335 | int retval; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 336 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 337 | portdata = usb_get_serial_port_data(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 338 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 339 | if (portdata->dtr_state) |
| 340 | val |= 0x01; |
| 341 | if (portdata->rts_state) |
| 342 | val |= 0x02; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 343 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 344 | /* If composite device then properly report interface */ |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 345 | if (serial->num_ports == 1) { |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 346 | interface = sierra_calc_interface(serial); |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 347 | /* Control message is sent only to interfaces with |
| 348 | * interrupt_in endpoints |
| 349 | */ |
| 350 | if (port->interrupt_in_urb) { |
| 351 | /* send control message */ |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 352 | do_send = 1; |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 353 | } |
| 354 | } |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 355 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 356 | /* Otherwise the need to do non-composite mapping */ |
| 357 | else { |
| 358 | if (port->bulk_out_endpointAddress == 2) |
| 359 | interface = 0; |
| 360 | else if (port->bulk_out_endpointAddress == 4) |
| 361 | interface = 1; |
| 362 | else if (port->bulk_out_endpointAddress == 5) |
| 363 | interface = 2; |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 364 | |
| 365 | do_send = 1; |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 366 | } |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 367 | if (!do_send) |
| 368 | return 0; |
| 369 | |
Oliver Neukum | 5b7c117 | 2011-02-11 12:56:40 +0100 | [diff] [blame] | 370 | retval = usb_autopm_get_interface(serial->interface); |
| 371 | if (retval < 0) |
| 372 | return retval; |
| 373 | |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 374 | retval = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
| 375 | 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 376 | usb_autopm_put_interface(serial->interface); |
| 377 | |
| 378 | return retval; |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 379 | } |
| 380 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 381 | static void sierra_set_termios(struct tty_struct *tty, |
| 382 | struct usb_serial_port *port, struct ktermios *old_termios) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 383 | { |
Alan Cox | adc8d74 | 2012-07-14 15:31:47 +0100 | [diff] [blame] | 384 | tty_termios_copy_hw(&tty->termios, old_termios); |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 385 | sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 386 | } |
| 387 | |
Alan Cox | 60b33c1 | 2011-02-14 16:26:14 +0000 | [diff] [blame] | 388 | static int sierra_tiocmget(struct tty_struct *tty) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 389 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 390 | struct usb_serial_port *port = tty->driver_data; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 391 | unsigned int value; |
| 392 | struct sierra_port_private *portdata; |
| 393 | |
| 394 | portdata = usb_get_serial_port_data(port); |
| 395 | |
| 396 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | |
| 397 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | |
| 398 | ((portdata->cts_state) ? TIOCM_CTS : 0) | |
| 399 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | |
| 400 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | |
| 401 | ((portdata->ri_state) ? TIOCM_RNG : 0); |
| 402 | |
| 403 | return value; |
| 404 | } |
| 405 | |
Alan Cox | 20b9d17 | 2011-02-14 16:26:50 +0000 | [diff] [blame] | 406 | static int sierra_tiocmset(struct tty_struct *tty, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 407 | unsigned int set, unsigned int clear) |
| 408 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 409 | struct usb_serial_port *port = tty->driver_data; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 410 | struct sierra_port_private *portdata; |
| 411 | |
| 412 | portdata = usb_get_serial_port_data(port); |
| 413 | |
| 414 | if (set & TIOCM_RTS) |
| 415 | portdata->rts_state = 1; |
| 416 | if (set & TIOCM_DTR) |
| 417 | portdata->dtr_state = 1; |
| 418 | |
| 419 | if (clear & TIOCM_RTS) |
| 420 | portdata->rts_state = 0; |
| 421 | if (clear & TIOCM_DTR) |
| 422 | portdata->dtr_state = 0; |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 423 | return sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 424 | } |
| 425 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 426 | static void sierra_release_urb(struct urb *urb) |
| 427 | { |
| 428 | struct usb_serial_port *port; |
| 429 | if (urb) { |
Greg Kroah-Hartman | 64318a5 | 2012-05-03 16:44:48 -0700 | [diff] [blame] | 430 | port = urb->context; |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 431 | kfree(urb->transfer_buffer); |
| 432 | usb_free_urb(urb); |
| 433 | } |
| 434 | } |
| 435 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 436 | static void sierra_outdat_callback(struct urb *urb) |
| 437 | { |
| 438 | struct usb_serial_port *port = urb->context; |
| 439 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 440 | struct sierra_intf_private *intfdata; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 441 | int status = urb->status; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 442 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 443 | intfdata = port->serial->private; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 444 | |
| 445 | /* free up the transfer buffer, as usb_free_urb() does not do this */ |
| 446 | kfree(urb->transfer_buffer); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 447 | usb_autopm_put_interface_async(port->serial->interface); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 448 | if (status) |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 449 | dev_dbg(&port->dev, "%s - nonzero write bulk status " |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 450 | "received: %d\n", __func__, status); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 451 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 452 | spin_lock(&portdata->lock); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 453 | --portdata->outstanding_urbs; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 454 | spin_unlock(&portdata->lock); |
| 455 | spin_lock(&intfdata->susp_lock); |
| 456 | --intfdata->in_flight; |
| 457 | spin_unlock(&intfdata->susp_lock); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 458 | |
| 459 | usb_serial_port_softint(port); |
| 460 | } |
| 461 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 462 | /* Write */ |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 463 | static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port, |
| 464 | const unsigned char *buf, int count) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 465 | { |
Julia Lawall | a45a1e0 | 2010-01-16 16:59:51 +0100 | [diff] [blame] | 466 | struct sierra_port_private *portdata; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 467 | struct sierra_intf_private *intfdata; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 468 | struct usb_serial *serial = port->serial; |
| 469 | unsigned long flags; |
| 470 | unsigned char *buffer; |
| 471 | struct urb *urb; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 472 | size_t writesize = min((size_t)count, (size_t)MAX_TRANSFER); |
| 473 | int retval = 0; |
| 474 | |
| 475 | /* verify that we actually have some data to write */ |
| 476 | if (count == 0) |
| 477 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 478 | |
| 479 | portdata = usb_get_serial_port_data(port); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 480 | intfdata = serial->private; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 481 | |
Andrew Morton | 0b10395 | 2009-05-12 15:27:59 -0700 | [diff] [blame] | 482 | dev_dbg(&port->dev, "%s: write (%zd bytes)\n", __func__, writesize); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 483 | spin_lock_irqsave(&portdata->lock, flags); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 484 | dev_dbg(&port->dev, "%s - outstanding_urbs: %d\n", __func__, |
| 485 | portdata->outstanding_urbs); |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 486 | if (portdata->outstanding_urbs > portdata->num_out_urbs) { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 487 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 488 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 489 | return 0; |
| 490 | } |
| 491 | portdata->outstanding_urbs++; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 492 | dev_dbg(&port->dev, "%s - 1, outstanding_urbs: %d\n", __func__, |
| 493 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 494 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 495 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 496 | retval = usb_autopm_get_interface_async(serial->interface); |
| 497 | if (retval < 0) { |
| 498 | spin_lock_irqsave(&portdata->lock, flags); |
| 499 | portdata->outstanding_urbs--; |
| 500 | spin_unlock_irqrestore(&portdata->lock, flags); |
| 501 | goto error_simple; |
| 502 | } |
| 503 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 504 | buffer = kmalloc(writesize, GFP_ATOMIC); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 505 | if (!buffer) { |
| 506 | dev_err(&port->dev, "out of memory\n"); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 507 | retval = -ENOMEM; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 508 | goto error_no_buffer; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 509 | } |
| 510 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 511 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 512 | if (!urb) { |
| 513 | dev_err(&port->dev, "no more free urbs\n"); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 514 | retval = -ENOMEM; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 515 | goto error_no_urb; |
| 516 | } |
| 517 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 518 | memcpy(buffer, buf, writesize); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 519 | |
Greg Kroah-Hartman | 59d33f2 | 2012-09-18 09:58:57 +0100 | [diff] [blame] | 520 | usb_serial_debug_data(&port->dev, __func__, writesize, buffer); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 521 | |
| 522 | usb_fill_bulk_urb(urb, serial->dev, |
| 523 | usb_sndbulkpipe(serial->dev, |
| 524 | port->bulk_out_endpointAddress), |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 525 | buffer, writesize, sierra_outdat_callback, port); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 526 | |
Elina Pasheva | 238ebd1 | 2009-05-12 13:12:24 -0700 | [diff] [blame] | 527 | /* Handle the need to send a zero length packet */ |
| 528 | urb->transfer_flags |= URB_ZERO_PACKET; |
| 529 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 530 | spin_lock_irqsave(&intfdata->susp_lock, flags); |
| 531 | |
| 532 | if (intfdata->suspended) { |
| 533 | usb_anchor_urb(urb, &portdata->delayed); |
| 534 | spin_unlock_irqrestore(&intfdata->susp_lock, flags); |
| 535 | goto skip_power; |
| 536 | } else { |
| 537 | usb_anchor_urb(urb, &portdata->active); |
| 538 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 539 | /* send it down the pipe */ |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 540 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
| 541 | if (retval) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 542 | usb_unanchor_urb(urb); |
| 543 | spin_unlock_irqrestore(&intfdata->susp_lock, flags); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 544 | dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 545 | "with status = %d\n", __func__, retval); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 546 | goto error; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 547 | } else { |
| 548 | intfdata->in_flight++; |
| 549 | spin_unlock_irqrestore(&intfdata->susp_lock, flags); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 550 | } |
| 551 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 552 | skip_power: |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 553 | /* we are done with this urb, so let the host driver |
| 554 | * really free it when it is finished with it */ |
| 555 | usb_free_urb(urb); |
| 556 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 557 | return writesize; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 558 | error: |
| 559 | usb_free_urb(urb); |
| 560 | error_no_urb: |
| 561 | kfree(buffer); |
| 562 | error_no_buffer: |
| 563 | spin_lock_irqsave(&portdata->lock, flags); |
| 564 | --portdata->outstanding_urbs; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 565 | dev_dbg(&port->dev, "%s - 2. outstanding_urbs: %d\n", __func__, |
| 566 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 567 | spin_unlock_irqrestore(&portdata->lock, flags); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 568 | usb_autopm_put_interface_async(serial->interface); |
| 569 | error_simple: |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 570 | return retval; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | static void sierra_indat_callback(struct urb *urb) |
| 574 | { |
| 575 | int err; |
| 576 | int endpoint; |
| 577 | struct usb_serial_port *port; |
| 578 | struct tty_struct *tty; |
| 579 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 580 | int status = urb->status; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 581 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 582 | endpoint = usb_pipeendpoint(urb->pipe); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 583 | port = urb->context; |
| 584 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 585 | if (status) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 586 | dev_dbg(&port->dev, "%s: nonzero status: %d on" |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 587 | " endpoint %02x\n", __func__, status, endpoint); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 588 | } else { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 589 | if (urb->actual_length) { |
Alan Cox | d95186d | 2009-01-02 13:42:56 +0000 | [diff] [blame] | 590 | tty = tty_port_tty_get(&port->port); |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 591 | if (tty) { |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 592 | tty_insert_flip_string(tty, data, |
| 593 | urb->actual_length); |
| 594 | tty_flip_buffer_push(tty); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 595 | |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 596 | tty_kref_put(tty); |
Greg Kroah-Hartman | 59d33f2 | 2012-09-18 09:58:57 +0100 | [diff] [blame] | 597 | usb_serial_debug_data(&port->dev, __func__, |
| 598 | urb->actual_length, data); |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 599 | } |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 600 | } else { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 601 | dev_dbg(&port->dev, "%s: empty read urb" |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 602 | " received\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 603 | } |
| 604 | } |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 605 | |
| 606 | /* Resubmit urb so we continue receiving */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 607 | if (status != -ESHUTDOWN && status != -EPERM) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 608 | usb_mark_last_busy(port->serial->dev); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 609 | err = usb_submit_urb(urb, GFP_ATOMIC); |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 610 | if (err && err != -EPERM) |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 611 | dev_err(&port->dev, "resubmit read urb failed." |
| 612 | "(%d)\n", err); |
| 613 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 614 | } |
| 615 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 616 | static void sierra_instat_callback(struct urb *urb) |
| 617 | { |
| 618 | int err; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 619 | int status = urb->status; |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 620 | struct usb_serial_port *port = urb->context; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 621 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 622 | struct usb_serial *serial = port->serial; |
| 623 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 624 | dev_dbg(&port->dev, "%s: urb %p port %p has data %p\n", __func__, |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 625 | urb, port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 626 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 627 | if (status == 0) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 628 | struct usb_ctrlrequest *req_pkt = |
| 629 | (struct usb_ctrlrequest *)urb->transfer_buffer; |
| 630 | |
| 631 | if (!req_pkt) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 632 | dev_dbg(&port->dev, "%s: NULL req_pkt\n", |
| 633 | __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 634 | return; |
| 635 | } |
| 636 | if ((req_pkt->bRequestType == 0xA1) && |
| 637 | (req_pkt->bRequest == 0x20)) { |
| 638 | int old_dcd_state; |
| 639 | unsigned char signals = *((unsigned char *) |
| 640 | urb->transfer_buffer + |
| 641 | sizeof(struct usb_ctrlrequest)); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 642 | struct tty_struct *tty; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 643 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 644 | dev_dbg(&port->dev, "%s: signal x%x\n", __func__, |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 645 | signals); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 646 | |
| 647 | old_dcd_state = portdata->dcd_state; |
| 648 | portdata->cts_state = 1; |
| 649 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); |
| 650 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); |
| 651 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); |
| 652 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 653 | tty = tty_port_tty_get(&port->port); |
| 654 | if (tty && !C_CLOCAL(tty) && |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 655 | old_dcd_state && !portdata->dcd_state) |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 656 | tty_hangup(tty); |
| 657 | tty_kref_put(tty); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 658 | } else { |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 659 | dev_dbg(&port->dev, "%s: type %x req %x\n", |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 660 | __func__, req_pkt->bRequestType, |
| 661 | req_pkt->bRequest); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 662 | } |
| 663 | } else |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 664 | dev_dbg(&port->dev, "%s: error %d\n", __func__, status); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 665 | |
| 666 | /* Resubmit urb so we continue receiving IRQ data */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 667 | if (status != -ESHUTDOWN && status != -ENOENT) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 668 | usb_mark_last_busy(serial->dev); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 669 | err = usb_submit_urb(urb, GFP_ATOMIC); |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 670 | if (err && err != -EPERM) |
Elina Pasheva | c76a23d | 2009-05-12 13:12:37 -0700 | [diff] [blame] | 671 | dev_err(&port->dev, "%s: resubmit intr urb " |
| 672 | "failed. (%d)\n", __func__, err); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 673 | } |
| 674 | } |
| 675 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 676 | static int sierra_write_room(struct tty_struct *tty) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 677 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 678 | struct usb_serial_port *port = tty->driver_data; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 679 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 680 | unsigned long flags; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 681 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 682 | /* try to give a good number back based on if we have any free urbs at |
| 683 | * this point in time */ |
| 684 | spin_lock_irqsave(&portdata->lock, flags); |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 685 | if (portdata->outstanding_urbs > (portdata->num_out_urbs * 2) / 3) { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 686 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 687 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 688 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 689 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 690 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 691 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 692 | return 2048; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 693 | } |
| 694 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 695 | static void sierra_stop_rx_urbs(struct usb_serial_port *port) |
| 696 | { |
| 697 | int i; |
| 698 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 699 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 700 | for (i = 0; i < portdata->num_in_urbs; i++) |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 701 | usb_kill_urb(portdata->in_urbs[i]); |
| 702 | |
| 703 | usb_kill_urb(port->interrupt_in_urb); |
| 704 | } |
| 705 | |
| 706 | static int sierra_submit_rx_urbs(struct usb_serial_port *port, gfp_t mem_flags) |
| 707 | { |
| 708 | int ok_cnt; |
| 709 | int err = -EINVAL; |
| 710 | int i; |
| 711 | struct urb *urb; |
| 712 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 713 | |
| 714 | ok_cnt = 0; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 715 | for (i = 0; i < portdata->num_in_urbs; i++) { |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 716 | urb = portdata->in_urbs[i]; |
| 717 | if (!urb) |
| 718 | continue; |
| 719 | err = usb_submit_urb(urb, mem_flags); |
| 720 | if (err) { |
| 721 | dev_err(&port->dev, "%s: submit urb failed: %d\n", |
| 722 | __func__, err); |
| 723 | } else { |
| 724 | ok_cnt++; |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | if (ok_cnt && port->interrupt_in_urb) { |
| 729 | err = usb_submit_urb(port->interrupt_in_urb, mem_flags); |
| 730 | if (err) { |
| 731 | dev_err(&port->dev, "%s: submit intr urb failed: %d\n", |
| 732 | __func__, err); |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | if (ok_cnt > 0) /* at least one rx urb submitted */ |
| 737 | return 0; |
| 738 | else |
| 739 | return err; |
| 740 | } |
| 741 | |
| 742 | static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint, |
| 743 | int dir, void *ctx, int len, |
| 744 | gfp_t mem_flags, |
| 745 | usb_complete_t callback) |
| 746 | { |
| 747 | struct urb *urb; |
| 748 | u8 *buf; |
| 749 | |
| 750 | if (endpoint == -1) |
| 751 | return NULL; |
| 752 | |
| 753 | urb = usb_alloc_urb(0, mem_flags); |
| 754 | if (urb == NULL) { |
| 755 | dev_dbg(&serial->dev->dev, "%s: alloc for endpoint %d failed\n", |
| 756 | __func__, endpoint); |
| 757 | return NULL; |
| 758 | } |
| 759 | |
| 760 | buf = kmalloc(len, mem_flags); |
| 761 | if (buf) { |
| 762 | /* Fill URB using supplied data */ |
| 763 | usb_fill_bulk_urb(urb, serial->dev, |
| 764 | usb_sndbulkpipe(serial->dev, endpoint) | dir, |
| 765 | buf, len, callback, ctx); |
| 766 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 767 | dev_dbg(&serial->dev->dev, "%s %c u : %p d:%p\n", __func__, |
| 768 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); |
| 769 | } else { |
| 770 | dev_dbg(&serial->dev->dev, "%s %c u:%p d:%p\n", __func__, |
| 771 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); |
| 772 | |
| 773 | sierra_release_urb(urb); |
| 774 | urb = NULL; |
| 775 | } |
| 776 | |
| 777 | return urb; |
| 778 | } |
| 779 | |
| 780 | static void sierra_close(struct usb_serial_port *port) |
| 781 | { |
| 782 | int i; |
| 783 | struct usb_serial *serial = port->serial; |
| 784 | struct sierra_port_private *portdata; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 785 | struct sierra_intf_private *intfdata = port->serial->private; |
| 786 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 787 | portdata = usb_get_serial_port_data(port); |
| 788 | |
| 789 | portdata->rts_state = 0; |
| 790 | portdata->dtr_state = 0; |
| 791 | |
| 792 | if (serial->dev) { |
| 793 | mutex_lock(&serial->disc_mutex); |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 794 | if (!serial->disconnected) { |
| 795 | serial->interface->needs_remote_wakeup = 0; |
Oliver Neukum | 5b7c117 | 2011-02-11 12:56:40 +0100 | [diff] [blame] | 796 | /* odd error handling due to pm counters */ |
| 797 | if (!usb_autopm_get_interface(serial->interface)) |
| 798 | sierra_send_setup(port); |
| 799 | else |
| 800 | usb_autopm_get_interface_no_resume(serial->interface); |
| 801 | |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 802 | } |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 803 | mutex_unlock(&serial->disc_mutex); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 804 | spin_lock_irq(&intfdata->susp_lock); |
| 805 | portdata->opened = 0; |
| 806 | spin_unlock_irq(&intfdata->susp_lock); |
| 807 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 808 | |
| 809 | /* Stop reading urbs */ |
| 810 | sierra_stop_rx_urbs(port); |
| 811 | /* .. and release them */ |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 812 | for (i = 0; i < portdata->num_in_urbs; i++) { |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 813 | sierra_release_urb(portdata->in_urbs[i]); |
| 814 | portdata->in_urbs[i] = NULL; |
| 815 | } |
| 816 | } |
| 817 | } |
| 818 | |
Alan Cox | a509a7e | 2009-09-19 13:13:26 -0700 | [diff] [blame] | 819 | static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 820 | { |
| 821 | struct sierra_port_private *portdata; |
| 822 | struct usb_serial *serial = port->serial; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 823 | struct sierra_intf_private *intfdata = serial->private; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 824 | int i; |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 825 | int err; |
| 826 | int endpoint; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 827 | struct urb *urb; |
| 828 | |
| 829 | portdata = usb_get_serial_port_data(port); |
| 830 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 831 | /* Set some sane defaults */ |
| 832 | portdata->rts_state = 1; |
| 833 | portdata->dtr_state = 1; |
| 834 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 835 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 836 | endpoint = port->bulk_in_endpointAddress; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 837 | for (i = 0; i < portdata->num_in_urbs; i++) { |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 838 | urb = sierra_setup_urb(serial, endpoint, USB_DIR_IN, port, |
| 839 | IN_BUFLEN, GFP_KERNEL, |
| 840 | sierra_indat_callback); |
| 841 | portdata->in_urbs[i] = urb; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 842 | } |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 843 | /* clear halt condition */ |
| 844 | usb_clear_halt(serial->dev, |
| 845 | usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 846 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 847 | err = sierra_submit_rx_urbs(port, GFP_KERNEL); |
| 848 | if (err) { |
| 849 | /* get rid of everything as in close */ |
| 850 | sierra_close(port); |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 851 | /* restore balance for autopm */ |
Oliver Neukum | 5b7c117 | 2011-02-11 12:56:40 +0100 | [diff] [blame] | 852 | if (!serial->disconnected) |
| 853 | usb_autopm_put_interface(serial->interface); |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 854 | return err; |
| 855 | } |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 856 | sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 857 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 858 | serial->interface->needs_remote_wakeup = 1; |
| 859 | spin_lock_irq(&intfdata->susp_lock); |
| 860 | portdata->opened = 1; |
| 861 | spin_unlock_irq(&intfdata->susp_lock); |
| 862 | usb_autopm_put_interface(serial->interface); |
| 863 | |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 864 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 865 | } |
| 866 | |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 867 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 868 | static void sierra_dtr_rts(struct usb_serial_port *port, int on) |
| 869 | { |
| 870 | struct usb_serial *serial = port->serial; |
| 871 | struct sierra_port_private *portdata; |
| 872 | |
| 873 | portdata = usb_get_serial_port_data(port); |
| 874 | portdata->rts_state = on; |
| 875 | portdata->dtr_state = on; |
| 876 | |
| 877 | if (serial->dev) { |
| 878 | mutex_lock(&serial->disc_mutex); |
| 879 | if (!serial->disconnected) |
| 880 | sierra_send_setup(port); |
| 881 | mutex_unlock(&serial->disc_mutex); |
| 882 | } |
| 883 | } |
| 884 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 885 | static int sierra_startup(struct usb_serial *serial) |
| 886 | { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 887 | struct usb_serial_port *port; |
| 888 | struct sierra_port_private *portdata; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 889 | struct sierra_iface_info *himemoryp = NULL; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 890 | int i; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 891 | u8 ifnum; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 892 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 893 | /* Set Device mode to D0 */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 894 | sierra_set_power_state(serial->dev, 0x0000); |
| 895 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 896 | /* Check NMEA and set */ |
| 897 | if (nmea) |
| 898 | sierra_vsc_set_nmea(serial->dev, 1); |
| 899 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 900 | /* Now setup per port private data */ |
| 901 | for (i = 0; i < serial->num_ports; i++) { |
| 902 | port = serial->port[i]; |
| 903 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
| 904 | if (!portdata) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 905 | dev_dbg(&port->dev, "%s: kmalloc for " |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 906 | "sierra_port_private (%d) failed!\n", |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 907 | __func__, i); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 908 | return -ENOMEM; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 909 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 910 | spin_lock_init(&portdata->lock); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 911 | init_usb_anchor(&portdata->active); |
| 912 | init_usb_anchor(&portdata->delayed); |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 913 | ifnum = i; |
| 914 | /* Assume low memory requirements */ |
| 915 | portdata->num_out_urbs = N_OUT_URB; |
| 916 | portdata->num_in_urbs = N_IN_URB; |
| 917 | |
| 918 | /* Determine actual memory requirements */ |
| 919 | if (serial->num_ports == 1) { |
| 920 | /* Get interface number for composite device */ |
| 921 | ifnum = sierra_calc_interface(serial); |
| 922 | himemoryp = |
| 923 | (struct sierra_iface_info *)&typeB_interface_list; |
| 924 | if (is_himemory(ifnum, himemoryp)) { |
| 925 | portdata->num_out_urbs = N_OUT_URB_HM; |
| 926 | portdata->num_in_urbs = N_IN_URB_HM; |
| 927 | } |
| 928 | } |
| 929 | else { |
| 930 | himemoryp = |
| 931 | (struct sierra_iface_info *)&typeA_interface_list; |
| 932 | if (is_himemory(i, himemoryp)) { |
| 933 | portdata->num_out_urbs = N_OUT_URB_HM; |
| 934 | portdata->num_in_urbs = N_IN_URB_HM; |
| 935 | } |
| 936 | } |
| 937 | dev_dbg(&serial->dev->dev, |
| 938 | "Memory usage (urbs) interface #%d, in=%d, out=%d\n", |
| 939 | ifnum,portdata->num_in_urbs, portdata->num_out_urbs ); |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 940 | /* Set the port private data pointer */ |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 941 | usb_set_serial_port_data(port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 942 | } |
| 943 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 944 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 945 | } |
| 946 | |
Alan Stern | 7bae0a0 | 2009-07-07 09:50:14 -0400 | [diff] [blame] | 947 | static void sierra_release(struct usb_serial *serial) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 948 | { |
Elina Pasheva | b9a44bc1 | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 949 | int i; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 950 | struct usb_serial_port *port; |
| 951 | struct sierra_port_private *portdata; |
| 952 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 953 | for (i = 0; i < serial->num_ports; ++i) { |
| 954 | port = serial->port[i]; |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 955 | if (!port) |
| 956 | continue; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 957 | portdata = usb_get_serial_port_data(port); |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 958 | if (!portdata) |
| 959 | continue; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 960 | kfree(portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 961 | } |
| 962 | } |
| 963 | |
Andrew Morton | cd60451 | 2009-09-23 15:57:43 -0700 | [diff] [blame] | 964 | #ifdef CONFIG_PM |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 965 | static void stop_read_write_urbs(struct usb_serial *serial) |
| 966 | { |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 967 | int i; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 968 | struct usb_serial_port *port; |
| 969 | struct sierra_port_private *portdata; |
| 970 | |
| 971 | /* Stop reading/writing urbs */ |
| 972 | for (i = 0; i < serial->num_ports; ++i) { |
| 973 | port = serial->port[i]; |
| 974 | portdata = usb_get_serial_port_data(port); |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 975 | sierra_stop_rx_urbs(port); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 976 | usb_kill_anchored_urbs(&portdata->active); |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | static int sierra_suspend(struct usb_serial *serial, pm_message_t message) |
| 981 | { |
| 982 | struct sierra_intf_private *intfdata; |
| 983 | int b; |
| 984 | |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 985 | if (PMSG_IS_AUTO(message)) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 986 | intfdata = serial->private; |
| 987 | spin_lock_irq(&intfdata->susp_lock); |
| 988 | b = intfdata->in_flight; |
| 989 | |
| 990 | if (b) { |
| 991 | spin_unlock_irq(&intfdata->susp_lock); |
| 992 | return -EBUSY; |
| 993 | } else { |
| 994 | intfdata->suspended = 1; |
| 995 | spin_unlock_irq(&intfdata->susp_lock); |
| 996 | } |
| 997 | } |
| 998 | stop_read_write_urbs(serial); |
| 999 | |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | static int sierra_resume(struct usb_serial *serial) |
| 1004 | { |
| 1005 | struct usb_serial_port *port; |
| 1006 | struct sierra_intf_private *intfdata = serial->private; |
| 1007 | struct sierra_port_private *portdata; |
| 1008 | struct urb *urb; |
| 1009 | int ec = 0; |
| 1010 | int i, err; |
| 1011 | |
| 1012 | spin_lock_irq(&intfdata->susp_lock); |
| 1013 | for (i = 0; i < serial->num_ports; i++) { |
| 1014 | port = serial->port[i]; |
| 1015 | portdata = usb_get_serial_port_data(port); |
| 1016 | |
| 1017 | while ((urb = usb_get_from_anchor(&portdata->delayed))) { |
| 1018 | usb_anchor_urb(urb, &portdata->active); |
| 1019 | intfdata->in_flight++; |
| 1020 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 1021 | if (err < 0) { |
| 1022 | intfdata->in_flight--; |
| 1023 | usb_unanchor_urb(urb); |
| 1024 | usb_scuttle_anchored_urbs(&portdata->delayed); |
| 1025 | break; |
| 1026 | } |
| 1027 | } |
| 1028 | |
| 1029 | if (portdata->opened) { |
| 1030 | err = sierra_submit_rx_urbs(port, GFP_ATOMIC); |
| 1031 | if (err) |
| 1032 | ec++; |
| 1033 | } |
| 1034 | } |
| 1035 | intfdata->suspended = 0; |
| 1036 | spin_unlock_irq(&intfdata->susp_lock); |
| 1037 | |
| 1038 | return ec ? -EIO : 0; |
| 1039 | } |
Elina Pasheva | 7650cd9 | 2010-02-11 18:37:40 -0800 | [diff] [blame] | 1040 | |
Andrew Morton | cd60451 | 2009-09-23 15:57:43 -0700 | [diff] [blame] | 1041 | #else |
| 1042 | #define sierra_suspend NULL |
| 1043 | #define sierra_resume NULL |
| 1044 | #endif |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 1045 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1046 | static struct usb_serial_driver sierra_device = { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1047 | .driver = { |
| 1048 | .owner = THIS_MODULE, |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 1049 | .name = "sierra", |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1050 | }, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1051 | .description = "Sierra USB modem", |
| 1052 | .id_table = id_table, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1053 | .calc_num_ports = sierra_calc_num_ports, |
| 1054 | .probe = sierra_probe, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1055 | .open = sierra_open, |
| 1056 | .close = sierra_close, |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 1057 | .dtr_rts = sierra_dtr_rts, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1058 | .write = sierra_write, |
| 1059 | .write_room = sierra_write_room, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1060 | .set_termios = sierra_set_termios, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1061 | .tiocmget = sierra_tiocmget, |
| 1062 | .tiocmset = sierra_tiocmset, |
| 1063 | .attach = sierra_startup, |
Alan Stern | 7bae0a0 | 2009-07-07 09:50:14 -0400 | [diff] [blame] | 1064 | .release = sierra_release, |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 1065 | .suspend = sierra_suspend, |
| 1066 | .resume = sierra_resume, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1067 | .read_int_callback = sierra_instat_callback, |
| 1068 | }; |
| 1069 | |
Alan Stern | d860322 | 2012-02-23 14:57:25 -0500 | [diff] [blame] | 1070 | static struct usb_serial_driver * const serial_drivers[] = { |
| 1071 | &sierra_device, NULL |
| 1072 | }; |
| 1073 | |
Greg Kroah-Hartman | 68e2411 | 2012-05-08 15:46:14 -0700 | [diff] [blame] | 1074 | module_usb_serial_driver(serial_drivers, id_table); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1075 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 1076 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 1077 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 1078 | MODULE_VERSION(DRIVER_VERSION); |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 1079 | MODULE_LICENSE("GPL"); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 1080 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 1081 | module_param(nmea, bool, S_IRUGO | S_IWUSR); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1082 | MODULE_PARM_DESC(nmea, "NMEA streaming"); |