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 debug; |
| 50 | static bool nmea; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 51 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 52 | /* Used in interface blacklisting */ |
| 53 | struct sierra_iface_info { |
| 54 | const u32 infolen; /* number of interface numbers on blacklist */ |
| 55 | const u8 *ifaceinfo; /* pointer to the array holding the numbers */ |
| 56 | }; |
| 57 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 58 | struct sierra_intf_private { |
| 59 | spinlock_t susp_lock; |
| 60 | unsigned int suspended:1; |
| 61 | int in_flight; |
| 62 | }; |
| 63 | |
Adrian Bunk | 82a24e6 | 2007-07-29 16:59:02 +0200 | [diff] [blame] | 64 | static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 65 | { |
| 66 | int result; |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 67 | dev_dbg(&udev->dev, "%s\n", __func__); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 68 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 69 | SWIMS_USB_REQUEST_SetPower, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 70 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 71 | swiState, /* __u16 value */ |
| 72 | 0, /* __u16 index */ |
| 73 | NULL, /* void *data */ |
| 74 | 0, /* __u16 size */ |
| 75 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 76 | return result; |
| 77 | } |
| 78 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 79 | static int sierra_vsc_set_nmea(struct usb_device *udev, __u16 enable) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 80 | { |
| 81 | int result; |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 82 | dev_dbg(&udev->dev, "%s\n", __func__); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 83 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| 84 | SWIMS_USB_REQUEST_SetNmea, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 85 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 86 | enable, /* __u16 value */ |
| 87 | 0x0000, /* __u16 index */ |
| 88 | NULL, /* void *data */ |
| 89 | 0, /* __u16 size */ |
| 90 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
| 91 | return result; |
| 92 | } |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 93 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 94 | static int sierra_calc_num_ports(struct usb_serial *serial) |
| 95 | { |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 96 | int num_ports = 0; |
| 97 | u8 ifnum, numendpoints; |
| 98 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 99 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 100 | |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 101 | ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; |
| 102 | numendpoints = serial->interface->cur_altsetting->desc.bNumEndpoints; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 103 | |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 104 | /* Dummy interface present on some SKUs should be ignored */ |
| 105 | if (ifnum == 0x99) |
| 106 | num_ports = 0; |
| 107 | else if (numendpoints <= 3) |
| 108 | num_ports = 1; |
| 109 | else |
| 110 | num_ports = (numendpoints-1)/2; |
| 111 | return num_ports; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 112 | } |
| 113 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 114 | static int is_blacklisted(const u8 ifnum, |
| 115 | const struct sierra_iface_info *blacklist) |
| 116 | { |
| 117 | const u8 *info; |
| 118 | int i; |
| 119 | |
| 120 | if (blacklist) { |
| 121 | info = blacklist->ifaceinfo; |
| 122 | |
| 123 | for (i = 0; i < blacklist->infolen; i++) { |
| 124 | if (info[i] == ifnum) |
| 125 | return 1; |
| 126 | } |
| 127 | } |
| 128 | return 0; |
| 129 | } |
| 130 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 131 | static int is_himemory(const u8 ifnum, |
| 132 | const struct sierra_iface_info *himemorylist) |
| 133 | { |
| 134 | const u8 *info; |
| 135 | int i; |
| 136 | |
| 137 | if (himemorylist) { |
| 138 | info = himemorylist->ifaceinfo; |
| 139 | |
| 140 | for (i=0; i < himemorylist->infolen; i++) { |
| 141 | if (info[i] == ifnum) |
| 142 | return 1; |
| 143 | } |
| 144 | } |
| 145 | return 0; |
| 146 | } |
| 147 | |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 148 | static int sierra_calc_interface(struct usb_serial *serial) |
| 149 | { |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 150 | int interface; |
| 151 | struct usb_interface *p_interface; |
| 152 | struct usb_host_interface *p_host_interface; |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 153 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 154 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 155 | /* Get the interface structure pointer from the serial struct */ |
| 156 | p_interface = serial->interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 157 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 158 | /* Get a pointer to the host interface structure */ |
| 159 | p_host_interface = p_interface->cur_altsetting; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 160 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 161 | /* read the interface descriptor for this active altsetting |
| 162 | * to find out the interface number we are on |
| 163 | */ |
| 164 | interface = p_host_interface->desc.bInterfaceNumber; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 165 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 166 | return interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 167 | } |
| 168 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 169 | static int sierra_probe(struct usb_serial *serial, |
| 170 | const struct usb_device_id *id) |
| 171 | { |
| 172 | int result = 0; |
| 173 | struct usb_device *udev; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 174 | struct sierra_intf_private *data; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 175 | u8 ifnum; |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 176 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 177 | udev = serial->dev; |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 178 | dev_dbg(&udev->dev, "%s\n", __func__); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 179 | |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 180 | ifnum = sierra_calc_interface(serial); |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 181 | /* |
| 182 | * If this interface supports more than 1 alternate |
| 183 | * select the 2nd one |
| 184 | */ |
| 185 | if (serial->interface->num_altsetting == 2) { |
| 186 | dev_dbg(&udev->dev, "Selecting alt setting for interface %d\n", |
| 187 | ifnum); |
| 188 | /* We know the alternate setting is 1 for the MC8785 */ |
| 189 | usb_set_interface(udev, ifnum, 1); |
| 190 | } |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 191 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 192 | /* ifnum could have changed - by calling usb_set_interface */ |
| 193 | ifnum = sierra_calc_interface(serial); |
| 194 | |
| 195 | if (is_blacklisted(ifnum, |
| 196 | (struct sierra_iface_info *)id->driver_info)) { |
| 197 | dev_dbg(&serial->dev->dev, |
| 198 | "Ignoring blacklisted interface #%d\n", ifnum); |
| 199 | return -ENODEV; |
| 200 | } |
| 201 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 202 | data = serial->private = kzalloc(sizeof(struct sierra_intf_private), GFP_KERNEL); |
| 203 | if (!data) |
| 204 | return -ENOMEM; |
| 205 | spin_lock_init(&data->susp_lock); |
| 206 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 207 | return result; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 208 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 209 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 210 | /* interfaces with higher memory requirements */ |
| 211 | static const u8 hi_memory_typeA_ifaces[] = { 0, 2 }; |
| 212 | static const struct sierra_iface_info typeA_interface_list = { |
| 213 | .infolen = ARRAY_SIZE(hi_memory_typeA_ifaces), |
| 214 | .ifaceinfo = hi_memory_typeA_ifaces, |
| 215 | }; |
| 216 | |
| 217 | static const u8 hi_memory_typeB_ifaces[] = { 3, 4, 5, 6 }; |
| 218 | static const struct sierra_iface_info typeB_interface_list = { |
| 219 | .infolen = ARRAY_SIZE(hi_memory_typeB_ifaces), |
| 220 | .ifaceinfo = hi_memory_typeB_ifaces, |
| 221 | }; |
| 222 | |
| 223 | /* 'blacklist' of interfaces not served by this driver */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 224 | static const u8 direct_ip_non_serial_ifaces[] = { 7, 8, 9, 10, 11 }; |
| 225 | static const struct sierra_iface_info direct_ip_interface_blacklist = { |
| 226 | .infolen = ARRAY_SIZE(direct_ip_non_serial_ifaces), |
| 227 | .ifaceinfo = direct_ip_non_serial_ifaces, |
| 228 | }; |
| 229 | |
Németh Márton | 7d40d7e | 2010-01-10 15:34:24 +0100 | [diff] [blame] | 230 | static const struct usb_device_id id_table[] = { |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 231 | { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */ |
| 232 | { USB_DEVICE(0x03F0, 0x1B1D) }, /* HP ev2200 a.k.a MC5720 */ |
William Lightning | cfbaa39 | 2010-03-26 10:51:20 -0700 | [diff] [blame] | 233 | { USB_DEVICE(0x03F0, 0x211D) }, /* HP ev2210 a.k.a MC5725 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 234 | { USB_DEVICE(0x03F0, 0x1E1D) }, /* HP hs2300 a.k.a MC8775 */ |
| 235 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 236 | { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 237 | { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
Greg Kroah-Hartman | 90ac3c8 | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 238 | { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 239 | { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
agilmore@wirelessbeehive.com | b9e13ac | 2007-12-04 11:37:12 -0700 | [diff] [blame] | 240 | { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 241 | { USB_DEVICE(0x1199, 0x0022) }, /* Sierra Wireless EM5725 */ |
| 242 | { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */ |
| 243 | { USB_DEVICE(0x1199, 0x0224) }, /* Sierra Wireless MC5727 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 244 | { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ |
| 245 | { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 246 | { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 247 | { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ |
august huber | 9d72c81 | 2010-06-28 11:46:05 -0700 | [diff] [blame] | 248 | { USB_DEVICE(0x1199, 0x0301) }, /* Sierra Wireless USB Dongle 250U */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 249 | /* Sierra Wireless C597 */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 250 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 251 | /* Sierra Wireless T598 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 252 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) }, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 253 | { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless T11 */ |
| 254 | { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless AC402 */ |
| 255 | { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless MC5728 */ |
| 256 | { USB_DEVICE(0x1199, 0x0029) }, /* Sierra Wireless Device */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 257 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 258 | { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
| 259 | { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 260 | { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
| 261 | { USB_DEVICE(0x1199, 0x6805) }, /* Sierra Wireless MC8765 */ |
| 262 | { USB_DEVICE(0x1199, 0x6808) }, /* Sierra Wireless MC8755 */ |
| 263 | { USB_DEVICE(0x1199, 0x6809) }, /* Sierra Wireless MC8765 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 264 | { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 265 | { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 */ |
Kevin Lloyd | 7f170a6 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 266 | { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 267 | { USB_DEVICE(0x1199, 0x6816) }, /* Sierra Wireless MC8775 */ |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 268 | { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 269 | { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 270 | { USB_DEVICE(0x1199, 0x6822) }, /* Sierra Wireless AirCard 875E */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 271 | { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */ |
| 272 | { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */ |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 273 | { USB_DEVICE(0x1199, 0x6834) }, /* Sierra Wireless MC8780 */ |
| 274 | { USB_DEVICE(0x1199, 0x6835) }, /* Sierra Wireless MC8781 */ |
| 275 | { USB_DEVICE(0x1199, 0x6838) }, /* Sierra Wireless MC8780 */ |
| 276 | { USB_DEVICE(0x1199, 0x6839) }, /* Sierra Wireless MC8781 */ |
Kevin Lloyd | b77a5c7 | 2008-09-17 09:03:38 -0700 | [diff] [blame] | 277 | { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 278 | { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 279 | /* Sierra Wireless MC8790, MC8791, MC8792 Composite */ |
| 280 | { USB_DEVICE(0x1199, 0x683C) }, |
| 281 | { USB_DEVICE(0x1199, 0x683D) }, /* Sierra Wireless MC8791 Composite */ |
| 282 | /* Sierra Wireless MC8790, MC8791, MC8792 */ |
| 283 | { USB_DEVICE(0x1199, 0x683E) }, |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 284 | { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
| 285 | { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ |
| 286 | { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */ |
| 287 | { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */ |
Kevin Lloyd | 6835b32 | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 288 | { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
Jessica L. Blank | 62aad3a | 2007-12-30 20:11:35 -0600 | [diff] [blame] | 289 | { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 290 | { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */ |
| 291 | { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */ |
| 292 | /* Sierra Wireless C885 */ |
| 293 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 294 | /* Sierra Wireless C888, Air Card 501, USB 303, USB 304 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 295 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 296 | /* Sierra Wireless C22/C33 */ |
Kevin Lloyd | 73b2c20 | 2008-08-25 19:20:40 -0700 | [diff] [blame] | 297 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 298 | /* Sierra Wireless HSPA Non-Composite Device */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 299 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)}, |
Elina Pasheva | c5f3d87 | 2009-07-09 17:55:18 -0700 | [diff] [blame] | 300 | { USB_DEVICE(0x1199, 0x6893) }, /* Sierra Wireless Device */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 301 | { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ |
| 302 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist |
| 303 | }, |
Jon Thomas | e1dc515 | 2011-02-16 11:02:34 -0500 | [diff] [blame] | 304 | { USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */ |
| 305 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist |
| 306 | }, |
Richard Farina | 1ebca9d | 2010-01-20 16:42:33 -0500 | [diff] [blame] | 307 | { 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] | 308 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 309 | { } |
| 310 | }; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 311 | MODULE_DEVICE_TABLE(usb, id_table); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 312 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 313 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 314 | struct sierra_port_private { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 315 | spinlock_t lock; /* lock the structure */ |
| 316 | int outstanding_urbs; /* number of out urbs in flight */ |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 317 | struct usb_anchor active; |
| 318 | struct usb_anchor delayed; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 319 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 320 | int num_out_urbs; |
| 321 | int num_in_urbs; |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 322 | /* Input endpoints and buffers for this port */ |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 323 | struct urb *in_urbs[N_IN_URB_HM]; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 324 | |
| 325 | /* Settings for the port */ |
| 326 | int rts_state; /* Handshaking pins (outputs) */ |
| 327 | int dtr_state; |
| 328 | int cts_state; /* Handshaking pins (inputs) */ |
| 329 | int dsr_state; |
| 330 | int dcd_state; |
| 331 | int ri_state; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 332 | unsigned int opened:1; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 333 | }; |
| 334 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 335 | static int sierra_send_setup(struct usb_serial_port *port) |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 336 | { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 337 | struct usb_serial *serial = port->serial; |
| 338 | struct sierra_port_private *portdata; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 339 | __u16 interface = 0; |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 340 | int val = 0; |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 341 | int do_send = 0; |
| 342 | int retval; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 343 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 344 | dev_dbg(&port->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 345 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 346 | portdata = usb_get_serial_port_data(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 347 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 348 | if (portdata->dtr_state) |
| 349 | val |= 0x01; |
| 350 | if (portdata->rts_state) |
| 351 | val |= 0x02; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 352 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 353 | /* If composite device then properly report interface */ |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 354 | if (serial->num_ports == 1) { |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 355 | interface = sierra_calc_interface(serial); |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 356 | /* Control message is sent only to interfaces with |
| 357 | * interrupt_in endpoints |
| 358 | */ |
| 359 | if (port->interrupt_in_urb) { |
| 360 | /* send control message */ |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 361 | do_send = 1; |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 362 | } |
| 363 | } |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 364 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 365 | /* Otherwise the need to do non-composite mapping */ |
| 366 | else { |
| 367 | if (port->bulk_out_endpointAddress == 2) |
| 368 | interface = 0; |
| 369 | else if (port->bulk_out_endpointAddress == 4) |
| 370 | interface = 1; |
| 371 | else if (port->bulk_out_endpointAddress == 5) |
| 372 | interface = 2; |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 373 | |
| 374 | do_send = 1; |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 375 | } |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 376 | if (!do_send) |
| 377 | return 0; |
| 378 | |
Oliver Neukum | 5b7c117 | 2011-02-11 12:56:40 +0100 | [diff] [blame] | 379 | retval = usb_autopm_get_interface(serial->interface); |
| 380 | if (retval < 0) |
| 381 | return retval; |
| 382 | |
Elina Pasheva | 3c77d51 | 2009-10-16 12:04:54 -0700 | [diff] [blame] | 383 | retval = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), |
| 384 | 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 385 | usb_autopm_put_interface(serial->interface); |
| 386 | |
| 387 | return retval; |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 388 | } |
| 389 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 390 | static void sierra_set_termios(struct tty_struct *tty, |
| 391 | struct usb_serial_port *port, struct ktermios *old_termios) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 392 | { |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 393 | dev_dbg(&port->dev, "%s\n", __func__); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 394 | tty_termios_copy_hw(tty->termios, old_termios); |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 395 | sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 396 | } |
| 397 | |
Alan Cox | 60b33c1 | 2011-02-14 16:26:14 +0000 | [diff] [blame] | 398 | static int sierra_tiocmget(struct tty_struct *tty) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 399 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 400 | struct usb_serial_port *port = tty->driver_data; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 401 | unsigned int value; |
| 402 | struct sierra_port_private *portdata; |
| 403 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 404 | dev_dbg(&port->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 405 | portdata = usb_get_serial_port_data(port); |
| 406 | |
| 407 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | |
| 408 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | |
| 409 | ((portdata->cts_state) ? TIOCM_CTS : 0) | |
| 410 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | |
| 411 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | |
| 412 | ((portdata->ri_state) ? TIOCM_RNG : 0); |
| 413 | |
| 414 | return value; |
| 415 | } |
| 416 | |
Alan Cox | 20b9d17 | 2011-02-14 16:26:50 +0000 | [diff] [blame] | 417 | static int sierra_tiocmset(struct tty_struct *tty, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 418 | unsigned int set, unsigned int clear) |
| 419 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 420 | struct usb_serial_port *port = tty->driver_data; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 421 | struct sierra_port_private *portdata; |
| 422 | |
| 423 | portdata = usb_get_serial_port_data(port); |
| 424 | |
| 425 | if (set & TIOCM_RTS) |
| 426 | portdata->rts_state = 1; |
| 427 | if (set & TIOCM_DTR) |
| 428 | portdata->dtr_state = 1; |
| 429 | |
| 430 | if (clear & TIOCM_RTS) |
| 431 | portdata->rts_state = 0; |
| 432 | if (clear & TIOCM_DTR) |
| 433 | portdata->dtr_state = 0; |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 434 | return sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 435 | } |
| 436 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 437 | static void sierra_release_urb(struct urb *urb) |
| 438 | { |
| 439 | struct usb_serial_port *port; |
| 440 | if (urb) { |
| 441 | port = urb->context; |
| 442 | dev_dbg(&port->dev, "%s: %p\n", __func__, urb); |
| 443 | kfree(urb->transfer_buffer); |
| 444 | usb_free_urb(urb); |
| 445 | } |
| 446 | } |
| 447 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 448 | static void sierra_outdat_callback(struct urb *urb) |
| 449 | { |
| 450 | struct usb_serial_port *port = urb->context; |
| 451 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 452 | struct sierra_intf_private *intfdata; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 453 | int status = urb->status; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 454 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 455 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 456 | intfdata = port->serial->private; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 457 | |
| 458 | /* free up the transfer buffer, as usb_free_urb() does not do this */ |
| 459 | kfree(urb->transfer_buffer); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 460 | usb_autopm_put_interface_async(port->serial->interface); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 461 | if (status) |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 462 | dev_dbg(&port->dev, "%s - nonzero write bulk status " |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 463 | "received: %d\n", __func__, status); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 464 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 465 | spin_lock(&portdata->lock); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 466 | --portdata->outstanding_urbs; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 467 | spin_unlock(&portdata->lock); |
| 468 | spin_lock(&intfdata->susp_lock); |
| 469 | --intfdata->in_flight; |
| 470 | spin_unlock(&intfdata->susp_lock); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 471 | |
| 472 | usb_serial_port_softint(port); |
| 473 | } |
| 474 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 475 | /* Write */ |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 476 | static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port, |
| 477 | const unsigned char *buf, int count) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 478 | { |
Julia Lawall | a45a1e0 | 2010-01-16 16:59:51 +0100 | [diff] [blame] | 479 | struct sierra_port_private *portdata; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 480 | struct sierra_intf_private *intfdata; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 481 | struct usb_serial *serial = port->serial; |
| 482 | unsigned long flags; |
| 483 | unsigned char *buffer; |
| 484 | struct urb *urb; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 485 | size_t writesize = min((size_t)count, (size_t)MAX_TRANSFER); |
| 486 | int retval = 0; |
| 487 | |
| 488 | /* verify that we actually have some data to write */ |
| 489 | if (count == 0) |
| 490 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 491 | |
| 492 | portdata = usb_get_serial_port_data(port); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 493 | intfdata = serial->private; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 494 | |
Andrew Morton | 0b10395 | 2009-05-12 15:27:59 -0700 | [diff] [blame] | 495 | dev_dbg(&port->dev, "%s: write (%zd bytes)\n", __func__, writesize); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 496 | spin_lock_irqsave(&portdata->lock, flags); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 497 | dev_dbg(&port->dev, "%s - outstanding_urbs: %d\n", __func__, |
| 498 | portdata->outstanding_urbs); |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 499 | if (portdata->outstanding_urbs > portdata->num_out_urbs) { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 500 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 501 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 502 | return 0; |
| 503 | } |
| 504 | portdata->outstanding_urbs++; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 505 | dev_dbg(&port->dev, "%s - 1, outstanding_urbs: %d\n", __func__, |
| 506 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 507 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 508 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 509 | retval = usb_autopm_get_interface_async(serial->interface); |
| 510 | if (retval < 0) { |
| 511 | spin_lock_irqsave(&portdata->lock, flags); |
| 512 | portdata->outstanding_urbs--; |
| 513 | spin_unlock_irqrestore(&portdata->lock, flags); |
| 514 | goto error_simple; |
| 515 | } |
| 516 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 517 | buffer = kmalloc(writesize, GFP_ATOMIC); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 518 | if (!buffer) { |
| 519 | dev_err(&port->dev, "out of memory\n"); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 520 | retval = -ENOMEM; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 521 | goto error_no_buffer; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 522 | } |
| 523 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 524 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 525 | if (!urb) { |
| 526 | dev_err(&port->dev, "no more free urbs\n"); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 527 | retval = -ENOMEM; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 528 | goto error_no_urb; |
| 529 | } |
| 530 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 531 | memcpy(buffer, buf, writesize); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 532 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 533 | usb_serial_debug_data(debug, &port->dev, __func__, writesize, buffer); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 534 | |
| 535 | usb_fill_bulk_urb(urb, serial->dev, |
| 536 | usb_sndbulkpipe(serial->dev, |
| 537 | port->bulk_out_endpointAddress), |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 538 | buffer, writesize, sierra_outdat_callback, port); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 539 | |
Elina Pasheva | 238ebd1 | 2009-05-12 13:12:24 -0700 | [diff] [blame] | 540 | /* Handle the need to send a zero length packet */ |
| 541 | urb->transfer_flags |= URB_ZERO_PACKET; |
| 542 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 543 | spin_lock_irqsave(&intfdata->susp_lock, flags); |
| 544 | |
| 545 | if (intfdata->suspended) { |
| 546 | usb_anchor_urb(urb, &portdata->delayed); |
| 547 | spin_unlock_irqrestore(&intfdata->susp_lock, flags); |
| 548 | goto skip_power; |
| 549 | } else { |
| 550 | usb_anchor_urb(urb, &portdata->active); |
| 551 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 552 | /* send it down the pipe */ |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 553 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
| 554 | if (retval) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 555 | usb_unanchor_urb(urb); |
| 556 | spin_unlock_irqrestore(&intfdata->susp_lock, flags); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 557 | dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 558 | "with status = %d\n", __func__, retval); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 559 | goto error; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 560 | } else { |
| 561 | intfdata->in_flight++; |
| 562 | spin_unlock_irqrestore(&intfdata->susp_lock, flags); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 563 | } |
| 564 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 565 | skip_power: |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 566 | /* we are done with this urb, so let the host driver |
| 567 | * really free it when it is finished with it */ |
| 568 | usb_free_urb(urb); |
| 569 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 570 | return writesize; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 571 | error: |
| 572 | usb_free_urb(urb); |
| 573 | error_no_urb: |
| 574 | kfree(buffer); |
| 575 | error_no_buffer: |
| 576 | spin_lock_irqsave(&portdata->lock, flags); |
| 577 | --portdata->outstanding_urbs; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 578 | dev_dbg(&port->dev, "%s - 2. outstanding_urbs: %d\n", __func__, |
| 579 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 580 | spin_unlock_irqrestore(&portdata->lock, flags); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 581 | usb_autopm_put_interface_async(serial->interface); |
| 582 | error_simple: |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 583 | return retval; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | static void sierra_indat_callback(struct urb *urb) |
| 587 | { |
| 588 | int err; |
| 589 | int endpoint; |
| 590 | struct usb_serial_port *port; |
| 591 | struct tty_struct *tty; |
| 592 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 593 | int status = urb->status; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 594 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 595 | endpoint = usb_pipeendpoint(urb->pipe); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 596 | port = urb->context; |
| 597 | |
| 598 | dev_dbg(&port->dev, "%s: %p\n", __func__, urb); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 599 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 600 | if (status) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 601 | dev_dbg(&port->dev, "%s: nonzero status: %d on" |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 602 | " endpoint %02x\n", __func__, status, endpoint); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 603 | } else { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 604 | if (urb->actual_length) { |
Alan Cox | d95186d | 2009-01-02 13:42:56 +0000 | [diff] [blame] | 605 | tty = tty_port_tty_get(&port->port); |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 606 | if (tty) { |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 607 | tty_insert_flip_string(tty, data, |
| 608 | urb->actual_length); |
| 609 | tty_flip_buffer_push(tty); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 610 | |
Elina Pasheva | b87c6e8 | 2010-02-15 14:50:14 -0800 | [diff] [blame] | 611 | tty_kref_put(tty); |
| 612 | usb_serial_debug_data(debug, &port->dev, |
| 613 | __func__, urb->actual_length, data); |
| 614 | } |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 615 | } else { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 616 | dev_dbg(&port->dev, "%s: empty read urb" |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 617 | " received\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 618 | } |
| 619 | } |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 620 | |
| 621 | /* Resubmit urb so we continue receiving */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 622 | if (status != -ESHUTDOWN && status != -EPERM) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 623 | usb_mark_last_busy(port->serial->dev); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 624 | err = usb_submit_urb(urb, GFP_ATOMIC); |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 625 | if (err && err != -EPERM) |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 626 | dev_err(&port->dev, "resubmit read urb failed." |
| 627 | "(%d)\n", err); |
| 628 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 629 | } |
| 630 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 631 | static void sierra_instat_callback(struct urb *urb) |
| 632 | { |
| 633 | int err; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 634 | int status = urb->status; |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 635 | struct usb_serial_port *port = urb->context; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 636 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 637 | struct usb_serial *serial = port->serial; |
| 638 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 639 | 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] | 640 | urb, port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 641 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 642 | if (status == 0) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 643 | struct usb_ctrlrequest *req_pkt = |
| 644 | (struct usb_ctrlrequest *)urb->transfer_buffer; |
| 645 | |
| 646 | if (!req_pkt) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 647 | dev_dbg(&port->dev, "%s: NULL req_pkt\n", |
| 648 | __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 649 | return; |
| 650 | } |
| 651 | if ((req_pkt->bRequestType == 0xA1) && |
| 652 | (req_pkt->bRequest == 0x20)) { |
| 653 | int old_dcd_state; |
| 654 | unsigned char signals = *((unsigned char *) |
| 655 | urb->transfer_buffer + |
| 656 | sizeof(struct usb_ctrlrequest)); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 657 | struct tty_struct *tty; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 658 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 659 | dev_dbg(&port->dev, "%s: signal x%x\n", __func__, |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 660 | signals); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 661 | |
| 662 | old_dcd_state = portdata->dcd_state; |
| 663 | portdata->cts_state = 1; |
| 664 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); |
| 665 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); |
| 666 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); |
| 667 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 668 | tty = tty_port_tty_get(&port->port); |
| 669 | if (tty && !C_CLOCAL(tty) && |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 670 | old_dcd_state && !portdata->dcd_state) |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 671 | tty_hangup(tty); |
| 672 | tty_kref_put(tty); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 673 | } else { |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 674 | dev_dbg(&port->dev, "%s: type %x req %x\n", |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 675 | __func__, req_pkt->bRequestType, |
| 676 | req_pkt->bRequest); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 677 | } |
| 678 | } else |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 679 | dev_dbg(&port->dev, "%s: error %d\n", __func__, status); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 680 | |
| 681 | /* Resubmit urb so we continue receiving IRQ data */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 682 | if (status != -ESHUTDOWN && status != -ENOENT) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 683 | usb_mark_last_busy(serial->dev); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 684 | err = usb_submit_urb(urb, GFP_ATOMIC); |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 685 | if (err && err != -EPERM) |
Elina Pasheva | c76a23d | 2009-05-12 13:12:37 -0700 | [diff] [blame] | 686 | dev_err(&port->dev, "%s: resubmit intr urb " |
| 687 | "failed. (%d)\n", __func__, err); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 688 | } |
| 689 | } |
| 690 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 691 | static int sierra_write_room(struct tty_struct *tty) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 692 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 693 | struct usb_serial_port *port = tty->driver_data; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 694 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 695 | unsigned long flags; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 696 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 697 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 698 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 699 | /* try to give a good number back based on if we have any free urbs at |
| 700 | * this point in time */ |
| 701 | spin_lock_irqsave(&portdata->lock, flags); |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 702 | if (portdata->outstanding_urbs > (portdata->num_out_urbs * 2) / 3) { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 703 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 704 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 705 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 706 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 707 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 708 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 709 | return 2048; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 710 | } |
| 711 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 712 | static void sierra_stop_rx_urbs(struct usb_serial_port *port) |
| 713 | { |
| 714 | int i; |
| 715 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 716 | |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 717 | for (i = 0; i < portdata->num_in_urbs; i++) |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 718 | usb_kill_urb(portdata->in_urbs[i]); |
| 719 | |
| 720 | usb_kill_urb(port->interrupt_in_urb); |
| 721 | } |
| 722 | |
| 723 | static int sierra_submit_rx_urbs(struct usb_serial_port *port, gfp_t mem_flags) |
| 724 | { |
| 725 | int ok_cnt; |
| 726 | int err = -EINVAL; |
| 727 | int i; |
| 728 | struct urb *urb; |
| 729 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 730 | |
| 731 | ok_cnt = 0; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 732 | for (i = 0; i < portdata->num_in_urbs; i++) { |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 733 | urb = portdata->in_urbs[i]; |
| 734 | if (!urb) |
| 735 | continue; |
| 736 | err = usb_submit_urb(urb, mem_flags); |
| 737 | if (err) { |
| 738 | dev_err(&port->dev, "%s: submit urb failed: %d\n", |
| 739 | __func__, err); |
| 740 | } else { |
| 741 | ok_cnt++; |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | if (ok_cnt && port->interrupt_in_urb) { |
| 746 | err = usb_submit_urb(port->interrupt_in_urb, mem_flags); |
| 747 | if (err) { |
| 748 | dev_err(&port->dev, "%s: submit intr urb failed: %d\n", |
| 749 | __func__, err); |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | if (ok_cnt > 0) /* at least one rx urb submitted */ |
| 754 | return 0; |
| 755 | else |
| 756 | return err; |
| 757 | } |
| 758 | |
| 759 | static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint, |
| 760 | int dir, void *ctx, int len, |
| 761 | gfp_t mem_flags, |
| 762 | usb_complete_t callback) |
| 763 | { |
| 764 | struct urb *urb; |
| 765 | u8 *buf; |
| 766 | |
| 767 | if (endpoint == -1) |
| 768 | return NULL; |
| 769 | |
| 770 | urb = usb_alloc_urb(0, mem_flags); |
| 771 | if (urb == NULL) { |
| 772 | dev_dbg(&serial->dev->dev, "%s: alloc for endpoint %d failed\n", |
| 773 | __func__, endpoint); |
| 774 | return NULL; |
| 775 | } |
| 776 | |
| 777 | buf = kmalloc(len, mem_flags); |
| 778 | if (buf) { |
| 779 | /* Fill URB using supplied data */ |
| 780 | usb_fill_bulk_urb(urb, serial->dev, |
| 781 | usb_sndbulkpipe(serial->dev, endpoint) | dir, |
| 782 | buf, len, callback, ctx); |
| 783 | |
| 784 | /* debug */ |
| 785 | dev_dbg(&serial->dev->dev, "%s %c u : %p d:%p\n", __func__, |
| 786 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); |
| 787 | } else { |
| 788 | dev_dbg(&serial->dev->dev, "%s %c u:%p d:%p\n", __func__, |
| 789 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); |
| 790 | |
| 791 | sierra_release_urb(urb); |
| 792 | urb = NULL; |
| 793 | } |
| 794 | |
| 795 | return urb; |
| 796 | } |
| 797 | |
| 798 | static void sierra_close(struct usb_serial_port *port) |
| 799 | { |
| 800 | int i; |
| 801 | struct usb_serial *serial = port->serial; |
| 802 | struct sierra_port_private *portdata; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 803 | struct sierra_intf_private *intfdata = port->serial->private; |
| 804 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 805 | |
| 806 | dev_dbg(&port->dev, "%s\n", __func__); |
| 807 | portdata = usb_get_serial_port_data(port); |
| 808 | |
| 809 | portdata->rts_state = 0; |
| 810 | portdata->dtr_state = 0; |
| 811 | |
| 812 | if (serial->dev) { |
| 813 | mutex_lock(&serial->disc_mutex); |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 814 | if (!serial->disconnected) { |
| 815 | serial->interface->needs_remote_wakeup = 0; |
Oliver Neukum | 5b7c117 | 2011-02-11 12:56:40 +0100 | [diff] [blame] | 816 | /* odd error handling due to pm counters */ |
| 817 | if (!usb_autopm_get_interface(serial->interface)) |
| 818 | sierra_send_setup(port); |
| 819 | else |
| 820 | usb_autopm_get_interface_no_resume(serial->interface); |
| 821 | |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 822 | } |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 823 | mutex_unlock(&serial->disc_mutex); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 824 | spin_lock_irq(&intfdata->susp_lock); |
| 825 | portdata->opened = 0; |
| 826 | spin_unlock_irq(&intfdata->susp_lock); |
| 827 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 828 | |
| 829 | /* Stop reading urbs */ |
| 830 | sierra_stop_rx_urbs(port); |
| 831 | /* .. and release them */ |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 832 | for (i = 0; i < portdata->num_in_urbs; i++) { |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 833 | sierra_release_urb(portdata->in_urbs[i]); |
| 834 | portdata->in_urbs[i] = NULL; |
| 835 | } |
| 836 | } |
| 837 | } |
| 838 | |
Alan Cox | a509a7e | 2009-09-19 13:13:26 -0700 | [diff] [blame] | 839 | 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] | 840 | { |
| 841 | struct sierra_port_private *portdata; |
| 842 | struct usb_serial *serial = port->serial; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 843 | struct sierra_intf_private *intfdata = serial->private; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 844 | int i; |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 845 | int err; |
| 846 | int endpoint; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 847 | struct urb *urb; |
| 848 | |
| 849 | portdata = usb_get_serial_port_data(port); |
| 850 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 851 | dev_dbg(&port->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 852 | |
| 853 | /* Set some sane defaults */ |
| 854 | portdata->rts_state = 1; |
| 855 | portdata->dtr_state = 1; |
| 856 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 857 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 858 | endpoint = port->bulk_in_endpointAddress; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 859 | for (i = 0; i < portdata->num_in_urbs; i++) { |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 860 | urb = sierra_setup_urb(serial, endpoint, USB_DIR_IN, port, |
| 861 | IN_BUFLEN, GFP_KERNEL, |
| 862 | sierra_indat_callback); |
| 863 | portdata->in_urbs[i] = urb; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 864 | } |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 865 | /* clear halt condition */ |
| 866 | usb_clear_halt(serial->dev, |
| 867 | usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 868 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 869 | err = sierra_submit_rx_urbs(port, GFP_KERNEL); |
| 870 | if (err) { |
| 871 | /* get rid of everything as in close */ |
| 872 | sierra_close(port); |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 873 | /* restore balance for autopm */ |
Oliver Neukum | 5b7c117 | 2011-02-11 12:56:40 +0100 | [diff] [blame] | 874 | if (!serial->disconnected) |
| 875 | usb_autopm_put_interface(serial->interface); |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 876 | return err; |
| 877 | } |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 878 | sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 879 | |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 880 | serial->interface->needs_remote_wakeup = 1; |
| 881 | spin_lock_irq(&intfdata->susp_lock); |
| 882 | portdata->opened = 1; |
| 883 | spin_unlock_irq(&intfdata->susp_lock); |
| 884 | usb_autopm_put_interface(serial->interface); |
| 885 | |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 886 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 887 | } |
| 888 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 889 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 890 | static void sierra_dtr_rts(struct usb_serial_port *port, int on) |
| 891 | { |
| 892 | struct usb_serial *serial = port->serial; |
| 893 | struct sierra_port_private *portdata; |
| 894 | |
| 895 | portdata = usb_get_serial_port_data(port); |
| 896 | portdata->rts_state = on; |
| 897 | portdata->dtr_state = on; |
| 898 | |
| 899 | if (serial->dev) { |
| 900 | mutex_lock(&serial->disc_mutex); |
| 901 | if (!serial->disconnected) |
| 902 | sierra_send_setup(port); |
| 903 | mutex_unlock(&serial->disc_mutex); |
| 904 | } |
| 905 | } |
| 906 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 907 | static int sierra_startup(struct usb_serial *serial) |
| 908 | { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 909 | struct usb_serial_port *port; |
| 910 | struct sierra_port_private *portdata; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 911 | struct sierra_iface_info *himemoryp = NULL; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 912 | int i; |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 913 | u8 ifnum; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 914 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 915 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 916 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 917 | /* Set Device mode to D0 */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 918 | sierra_set_power_state(serial->dev, 0x0000); |
| 919 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 920 | /* Check NMEA and set */ |
| 921 | if (nmea) |
| 922 | sierra_vsc_set_nmea(serial->dev, 1); |
| 923 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 924 | /* Now setup per port private data */ |
| 925 | for (i = 0; i < serial->num_ports; i++) { |
| 926 | port = serial->port[i]; |
| 927 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
| 928 | if (!portdata) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 929 | dev_dbg(&port->dev, "%s: kmalloc for " |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 930 | "sierra_port_private (%d) failed!\n", |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 931 | __func__, i); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 932 | return -ENOMEM; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 933 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 934 | spin_lock_init(&portdata->lock); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 935 | init_usb_anchor(&portdata->active); |
| 936 | init_usb_anchor(&portdata->delayed); |
Elina Pasheva | 3a2b808 | 2009-11-04 10:25:48 -0800 | [diff] [blame] | 937 | ifnum = i; |
| 938 | /* Assume low memory requirements */ |
| 939 | portdata->num_out_urbs = N_OUT_URB; |
| 940 | portdata->num_in_urbs = N_IN_URB; |
| 941 | |
| 942 | /* Determine actual memory requirements */ |
| 943 | if (serial->num_ports == 1) { |
| 944 | /* Get interface number for composite device */ |
| 945 | ifnum = sierra_calc_interface(serial); |
| 946 | himemoryp = |
| 947 | (struct sierra_iface_info *)&typeB_interface_list; |
| 948 | if (is_himemory(ifnum, himemoryp)) { |
| 949 | portdata->num_out_urbs = N_OUT_URB_HM; |
| 950 | portdata->num_in_urbs = N_IN_URB_HM; |
| 951 | } |
| 952 | } |
| 953 | else { |
| 954 | himemoryp = |
| 955 | (struct sierra_iface_info *)&typeA_interface_list; |
| 956 | if (is_himemory(i, himemoryp)) { |
| 957 | portdata->num_out_urbs = N_OUT_URB_HM; |
| 958 | portdata->num_in_urbs = N_IN_URB_HM; |
| 959 | } |
| 960 | } |
| 961 | dev_dbg(&serial->dev->dev, |
| 962 | "Memory usage (urbs) interface #%d, in=%d, out=%d\n", |
| 963 | ifnum,portdata->num_in_urbs, portdata->num_out_urbs ); |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 964 | /* Set the port private data pointer */ |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 965 | usb_set_serial_port_data(port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 966 | } |
| 967 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 968 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 969 | } |
| 970 | |
Alan Stern | 7bae0a0 | 2009-07-07 09:50:14 -0400 | [diff] [blame] | 971 | static void sierra_release(struct usb_serial *serial) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 972 | { |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 973 | int i; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 974 | struct usb_serial_port *port; |
| 975 | struct sierra_port_private *portdata; |
| 976 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 977 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 978 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 979 | for (i = 0; i < serial->num_ports; ++i) { |
| 980 | port = serial->port[i]; |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 981 | if (!port) |
| 982 | continue; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 983 | portdata = usb_get_serial_port_data(port); |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 984 | if (!portdata) |
| 985 | continue; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 986 | kfree(portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 987 | } |
| 988 | } |
| 989 | |
Andrew Morton | cd60451 | 2009-09-23 15:57:43 -0700 | [diff] [blame] | 990 | #ifdef CONFIG_PM |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 991 | static void stop_read_write_urbs(struct usb_serial *serial) |
| 992 | { |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 993 | int i; |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 994 | struct usb_serial_port *port; |
| 995 | struct sierra_port_private *portdata; |
| 996 | |
| 997 | /* Stop reading/writing urbs */ |
| 998 | for (i = 0; i < serial->num_ports; ++i) { |
| 999 | port = serial->port[i]; |
| 1000 | portdata = usb_get_serial_port_data(port); |
Elina Pasheva | b64dc0a | 2009-10-27 13:49:59 -0700 | [diff] [blame] | 1001 | sierra_stop_rx_urbs(port); |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 1002 | usb_kill_anchored_urbs(&portdata->active); |
| 1003 | } |
| 1004 | } |
| 1005 | |
| 1006 | static int sierra_suspend(struct usb_serial *serial, pm_message_t message) |
| 1007 | { |
| 1008 | struct sierra_intf_private *intfdata; |
| 1009 | int b; |
| 1010 | |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 1011 | if (PMSG_IS_AUTO(message)) { |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 1012 | intfdata = serial->private; |
| 1013 | spin_lock_irq(&intfdata->susp_lock); |
| 1014 | b = intfdata->in_flight; |
| 1015 | |
| 1016 | if (b) { |
| 1017 | spin_unlock_irq(&intfdata->susp_lock); |
| 1018 | return -EBUSY; |
| 1019 | } else { |
| 1020 | intfdata->suspended = 1; |
| 1021 | spin_unlock_irq(&intfdata->susp_lock); |
| 1022 | } |
| 1023 | } |
| 1024 | stop_read_write_urbs(serial); |
| 1025 | |
| 1026 | return 0; |
| 1027 | } |
| 1028 | |
| 1029 | static int sierra_resume(struct usb_serial *serial) |
| 1030 | { |
| 1031 | struct usb_serial_port *port; |
| 1032 | struct sierra_intf_private *intfdata = serial->private; |
| 1033 | struct sierra_port_private *portdata; |
| 1034 | struct urb *urb; |
| 1035 | int ec = 0; |
| 1036 | int i, err; |
| 1037 | |
| 1038 | spin_lock_irq(&intfdata->susp_lock); |
| 1039 | for (i = 0; i < serial->num_ports; i++) { |
| 1040 | port = serial->port[i]; |
| 1041 | portdata = usb_get_serial_port_data(port); |
| 1042 | |
| 1043 | while ((urb = usb_get_from_anchor(&portdata->delayed))) { |
| 1044 | usb_anchor_urb(urb, &portdata->active); |
| 1045 | intfdata->in_flight++; |
| 1046 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 1047 | if (err < 0) { |
| 1048 | intfdata->in_flight--; |
| 1049 | usb_unanchor_urb(urb); |
| 1050 | usb_scuttle_anchored_urbs(&portdata->delayed); |
| 1051 | break; |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | if (portdata->opened) { |
| 1056 | err = sierra_submit_rx_urbs(port, GFP_ATOMIC); |
| 1057 | if (err) |
| 1058 | ec++; |
| 1059 | } |
| 1060 | } |
| 1061 | intfdata->suspended = 0; |
| 1062 | spin_unlock_irq(&intfdata->susp_lock); |
| 1063 | |
| 1064 | return ec ? -EIO : 0; |
| 1065 | } |
Elina Pasheva | 7650cd9 | 2010-02-11 18:37:40 -0800 | [diff] [blame] | 1066 | |
| 1067 | static int sierra_reset_resume(struct usb_interface *intf) |
| 1068 | { |
| 1069 | struct usb_serial *serial = usb_get_intfdata(intf); |
| 1070 | dev_err(&serial->dev->dev, "%s\n", __func__); |
| 1071 | return usb_serial_resume(intf); |
| 1072 | } |
Andrew Morton | cd60451 | 2009-09-23 15:57:43 -0700 | [diff] [blame] | 1073 | #else |
| 1074 | #define sierra_suspend NULL |
| 1075 | #define sierra_resume NULL |
Elina Pasheva | 7650cd9 | 2010-02-11 18:37:40 -0800 | [diff] [blame] | 1076 | #define sierra_reset_resume NULL |
Andrew Morton | cd60451 | 2009-09-23 15:57:43 -0700 | [diff] [blame] | 1077 | #endif |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 1078 | |
Elina Pasheva | 7650cd9 | 2010-02-11 18:37:40 -0800 | [diff] [blame] | 1079 | static struct usb_driver sierra_driver = { |
| 1080 | .name = "sierra", |
| 1081 | .probe = usb_serial_probe, |
| 1082 | .disconnect = usb_serial_disconnect, |
| 1083 | .suspend = usb_serial_suspend, |
| 1084 | .resume = usb_serial_resume, |
| 1085 | .reset_resume = sierra_reset_resume, |
| 1086 | .id_table = id_table, |
| 1087 | .no_dynamic_id = 1, |
| 1088 | .supports_autosuspend = 1, |
| 1089 | }; |
| 1090 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1091 | static struct usb_serial_driver sierra_device = { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1092 | .driver = { |
| 1093 | .owner = THIS_MODULE, |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 1094 | .name = "sierra", |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1095 | }, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1096 | .description = "Sierra USB modem", |
| 1097 | .id_table = id_table, |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 1098 | .usb_driver = &sierra_driver, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1099 | .calc_num_ports = sierra_calc_num_ports, |
| 1100 | .probe = sierra_probe, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1101 | .open = sierra_open, |
| 1102 | .close = sierra_close, |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 1103 | .dtr_rts = sierra_dtr_rts, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1104 | .write = sierra_write, |
| 1105 | .write_room = sierra_write_room, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1106 | .set_termios = sierra_set_termios, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1107 | .tiocmget = sierra_tiocmget, |
| 1108 | .tiocmset = sierra_tiocmset, |
| 1109 | .attach = sierra_startup, |
Alan Stern | 7bae0a0 | 2009-07-07 09:50:14 -0400 | [diff] [blame] | 1110 | .release = sierra_release, |
Oliver Neukum | e6929a9 | 2009-09-04 23:19:53 +0200 | [diff] [blame] | 1111 | .suspend = sierra_suspend, |
| 1112 | .resume = sierra_resume, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1113 | .read_int_callback = sierra_instat_callback, |
| 1114 | }; |
| 1115 | |
| 1116 | /* Functions used by new usb-serial code. */ |
| 1117 | static int __init sierra_init(void) |
| 1118 | { |
| 1119 | int retval; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1120 | retval = usb_serial_register(&sierra_device); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1121 | if (retval) |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1122 | goto failed_device_register; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1123 | |
| 1124 | |
| 1125 | retval = usb_register(&sierra_driver); |
| 1126 | if (retval) |
| 1127 | goto failed_driver_register; |
| 1128 | |
Greg Kroah-Hartman | c197a8d | 2008-08-18 13:21:04 -0700 | [diff] [blame] | 1129 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
| 1130 | DRIVER_DESC "\n"); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1131 | |
| 1132 | return 0; |
| 1133 | |
| 1134 | failed_driver_register: |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1135 | usb_serial_deregister(&sierra_device); |
| 1136 | failed_device_register: |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1137 | return retval; |
| 1138 | } |
| 1139 | |
| 1140 | static void __exit sierra_exit(void) |
| 1141 | { |
Alan Cox | 9660ea3 | 2008-07-22 11:14:59 +0100 | [diff] [blame] | 1142 | usb_deregister(&sierra_driver); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1143 | usb_serial_deregister(&sierra_device); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 1144 | } |
| 1145 | |
| 1146 | module_init(sierra_init); |
| 1147 | module_exit(sierra_exit); |
| 1148 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 1149 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 1150 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 1151 | MODULE_VERSION(DRIVER_VERSION); |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 1152 | MODULE_LICENSE("GPL"); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 1153 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 1154 | module_param(nmea, bool, S_IRUGO | S_IWUSR); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 1155 | MODULE_PARM_DESC(nmea, "NMEA streaming"); |
| 1156 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 1157 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 1158 | MODULE_PARM_DESC(debug, "Debug messages"); |