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 | */ |
| 19 | |
Elina Pasheva | 238ebd1 | 2009-05-12 13:12:24 -0700 | [diff] [blame] | 20 | #define DRIVER_VERSION "v.1.3.7" |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 21 | #define DRIVER_AUTHOR "Kevin Lloyd, Elina Pasheva, Matthew Safar, Rory Filer" |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 22 | #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 23 | |
| 24 | #include <linux/kernel.h> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 25 | #include <linux/jiffies.h> |
| 26 | #include <linux/errno.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 27 | #include <linux/tty.h> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 28 | #include <linux/tty_flip.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 29 | #include <linux/module.h> |
| 30 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 31 | #include <linux/usb/serial.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 32 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 33 | #define SWIMS_USB_REQUEST_SetPower 0x00 |
| 34 | #define SWIMS_USB_REQUEST_SetNmea 0x07 |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 35 | |
Elina Pasheva | b748bb7 | 2009-04-24 18:41:49 -0700 | [diff] [blame] | 36 | #define N_IN_URB 8 |
| 37 | #define N_OUT_URB 64 |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 38 | #define IN_BUFLEN 4096 |
| 39 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 40 | #define MAX_TRANSFER (PAGE_SIZE - 512) |
| 41 | /* MAX_TRANSFER is chosen so that the VM is not stressed by |
| 42 | allocations > PAGE_SIZE and the number of packets in a page |
| 43 | is an integer 512 is the largest possible packet on EHCI */ |
| 44 | |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 45 | static int debug; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 46 | static int nmea; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 47 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 48 | /* Used in interface blacklisting */ |
| 49 | struct sierra_iface_info { |
| 50 | const u32 infolen; /* number of interface numbers on blacklist */ |
| 51 | const u8 *ifaceinfo; /* pointer to the array holding the numbers */ |
| 52 | }; |
| 53 | |
Adrian Bunk | 82a24e6 | 2007-07-29 16:59:02 +0200 | [diff] [blame] | 54 | static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 55 | { |
| 56 | int result; |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 57 | dev_dbg(&udev->dev, "%s\n", __func__); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 58 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 59 | SWIMS_USB_REQUEST_SetPower, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 60 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 61 | swiState, /* __u16 value */ |
| 62 | 0, /* __u16 index */ |
| 63 | NULL, /* void *data */ |
| 64 | 0, /* __u16 size */ |
| 65 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 66 | return result; |
| 67 | } |
| 68 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 69 | static int sierra_vsc_set_nmea(struct usb_device *udev, __u16 enable) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 70 | { |
| 71 | int result; |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 72 | dev_dbg(&udev->dev, "%s\n", __func__); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 73 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| 74 | SWIMS_USB_REQUEST_SetNmea, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 75 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 76 | enable, /* __u16 value */ |
| 77 | 0x0000, /* __u16 index */ |
| 78 | NULL, /* void *data */ |
| 79 | 0, /* __u16 size */ |
| 80 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
| 81 | return result; |
| 82 | } |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 83 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 84 | static int sierra_calc_num_ports(struct usb_serial *serial) |
| 85 | { |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 86 | int num_ports = 0; |
| 87 | u8 ifnum, numendpoints; |
| 88 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 89 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 90 | |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 91 | ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; |
| 92 | numendpoints = serial->interface->cur_altsetting->desc.bNumEndpoints; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 93 | |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 94 | /* Dummy interface present on some SKUs should be ignored */ |
| 95 | if (ifnum == 0x99) |
| 96 | num_ports = 0; |
| 97 | else if (numendpoints <= 3) |
| 98 | num_ports = 1; |
| 99 | else |
| 100 | num_ports = (numendpoints-1)/2; |
| 101 | return num_ports; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 102 | } |
| 103 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 104 | static int is_blacklisted(const u8 ifnum, |
| 105 | const struct sierra_iface_info *blacklist) |
| 106 | { |
| 107 | const u8 *info; |
| 108 | int i; |
| 109 | |
| 110 | if (blacklist) { |
| 111 | info = blacklist->ifaceinfo; |
| 112 | |
| 113 | for (i = 0; i < blacklist->infolen; i++) { |
| 114 | if (info[i] == ifnum) |
| 115 | return 1; |
| 116 | } |
| 117 | } |
| 118 | return 0; |
| 119 | } |
| 120 | |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 121 | static int sierra_calc_interface(struct usb_serial *serial) |
| 122 | { |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 123 | int interface; |
| 124 | struct usb_interface *p_interface; |
| 125 | struct usb_host_interface *p_host_interface; |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 126 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 127 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 128 | /* Get the interface structure pointer from the serial struct */ |
| 129 | p_interface = serial->interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 130 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 131 | /* Get a pointer to the host interface structure */ |
| 132 | p_host_interface = p_interface->cur_altsetting; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 133 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 134 | /* read the interface descriptor for this active altsetting |
| 135 | * to find out the interface number we are on |
| 136 | */ |
| 137 | interface = p_host_interface->desc.bInterfaceNumber; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 138 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 139 | return interface; |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 140 | } |
| 141 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 142 | static int sierra_probe(struct usb_serial *serial, |
| 143 | const struct usb_device_id *id) |
| 144 | { |
| 145 | int result = 0; |
| 146 | struct usb_device *udev; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 147 | u8 ifnum; |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 148 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 149 | udev = serial->dev; |
Elina Pasheva | 9636b68 | 2009-05-12 13:12:54 -0700 | [diff] [blame] | 150 | dev_dbg(&udev->dev, "%s\n", __func__); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 151 | |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 152 | ifnum = sierra_calc_interface(serial); |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 153 | /* |
| 154 | * If this interface supports more than 1 alternate |
| 155 | * select the 2nd one |
| 156 | */ |
| 157 | if (serial->interface->num_altsetting == 2) { |
| 158 | dev_dbg(&udev->dev, "Selecting alt setting for interface %d\n", |
| 159 | ifnum); |
| 160 | /* We know the alternate setting is 1 for the MC8785 */ |
| 161 | usb_set_interface(udev, ifnum, 1); |
| 162 | } |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 163 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 164 | /* ifnum could have changed - by calling usb_set_interface */ |
| 165 | ifnum = sierra_calc_interface(serial); |
| 166 | |
| 167 | if (is_blacklisted(ifnum, |
| 168 | (struct sierra_iface_info *)id->driver_info)) { |
| 169 | dev_dbg(&serial->dev->dev, |
| 170 | "Ignoring blacklisted interface #%d\n", ifnum); |
| 171 | return -ENODEV; |
| 172 | } |
| 173 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 174 | return result; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 175 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 176 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 177 | static const u8 direct_ip_non_serial_ifaces[] = { 7, 8, 9, 10, 11 }; |
| 178 | static const struct sierra_iface_info direct_ip_interface_blacklist = { |
| 179 | .infolen = ARRAY_SIZE(direct_ip_non_serial_ifaces), |
| 180 | .ifaceinfo = direct_ip_non_serial_ifaces, |
| 181 | }; |
| 182 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 183 | static struct usb_device_id id_table [] = { |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 184 | { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 185 | { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
Greg Kroah-Hartman | 90ac3c8 | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 186 | { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
Tony Murray | f8834f1 | 2008-08-22 17:30:44 -0500 | [diff] [blame] | 187 | { USB_DEVICE(0x03f0, 0x1b1d) }, /* HP ev2200 a.k.a MC5720 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 188 | { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 189 | { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */ |
agilmore@wirelessbeehive.com | b9e13ac | 2007-12-04 11:37:12 -0700 | [diff] [blame] | 190 | { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 191 | { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ |
| 192 | { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 193 | { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 194 | /* Sierra Wireless C597 */ |
| 195 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 196 | /* Sierra Wireless Device */ |
| 197 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) }, |
| 198 | { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless Device */ |
Kevin Lloyd | 73b2c20 | 2008-08-25 19:20:40 -0700 | [diff] [blame] | 199 | { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless Device */ |
| 200 | { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless Device */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 201 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 202 | { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 203 | { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 204 | { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 205 | { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 206 | { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Lenovo) */ |
Kevin Lloyd | 7f170a6 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 207 | { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ |
Stefan Seyfried | 8f7f85e | 2008-04-17 07:47:34 +0200 | [diff] [blame] | 208 | { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */ |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 209 | { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 210 | { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */ |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 211 | { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */ |
| 212 | { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */ |
Kevin Lloyd | b77a5c7 | 2008-09-17 09:03:38 -0700 | [diff] [blame] | 213 | { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 214 | { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */ |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 215 | /* Sierra Wireless MC8790, MC8791, MC8792 Composite */ |
| 216 | { USB_DEVICE(0x1199, 0x683C) }, |
| 217 | { USB_DEVICE(0x1199, 0x683D) }, /* Sierra Wireless MC8791 Composite */ |
| 218 | /* Sierra Wireless MC8790, MC8791, MC8792 */ |
| 219 | { USB_DEVICE(0x1199, 0x683E) }, |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 220 | { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
| 221 | { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ |
| 222 | { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */ |
| 223 | { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */ |
Kevin Lloyd | 6835b32 | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 224 | { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
Jessica L. Blank | 62aad3a | 2007-12-30 20:11:35 -0600 | [diff] [blame] | 225 | { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 226 | { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */ |
| 227 | { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */ |
| 228 | /* Sierra Wireless C885 */ |
| 229 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)}, |
| 230 | /* Sierra Wireless Device */ |
| 231 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)}, |
| 232 | /* Sierra Wireless Device */ |
Kevin Lloyd | 73b2c20 | 2008-08-25 19:20:40 -0700 | [diff] [blame] | 233 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)}, |
| 234 | /* Sierra Wireless Device */ |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 235 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)}, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 236 | |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 237 | { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */ |
| 238 | { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 239 | |
Elina Pasheva | 4db2299 | 2009-06-11 14:32:01 +0100 | [diff] [blame] | 240 | { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ |
| 241 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist |
| 242 | }, |
| 243 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 244 | { } |
| 245 | }; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 246 | MODULE_DEVICE_TABLE(usb, id_table); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 247 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 248 | static struct usb_driver sierra_driver = { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 249 | .name = "sierra", |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 250 | .probe = usb_serial_probe, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 251 | .disconnect = usb_serial_disconnect, |
| 252 | .id_table = id_table, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 253 | .no_dynamic_id = 1, |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 254 | }; |
| 255 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 256 | struct sierra_port_private { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 257 | spinlock_t lock; /* lock the structure */ |
| 258 | int outstanding_urbs; /* number of out urbs in flight */ |
| 259 | |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 260 | /* Input endpoints and buffers for this port */ |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 261 | struct urb *in_urbs[N_IN_URB]; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 262 | |
| 263 | /* Settings for the port */ |
| 264 | int rts_state; /* Handshaking pins (outputs) */ |
| 265 | int dtr_state; |
| 266 | int cts_state; /* Handshaking pins (inputs) */ |
| 267 | int dsr_state; |
| 268 | int dcd_state; |
| 269 | int ri_state; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 270 | }; |
| 271 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 272 | static int sierra_send_setup(struct usb_serial_port *port) |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 273 | { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 274 | struct usb_serial *serial = port->serial; |
| 275 | struct sierra_port_private *portdata; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 276 | __u16 interface = 0; |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 277 | int val = 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 278 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 279 | dev_dbg(&port->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 280 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 281 | portdata = usb_get_serial_port_data(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 282 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 283 | if (portdata->dtr_state) |
| 284 | val |= 0x01; |
| 285 | if (portdata->rts_state) |
| 286 | val |= 0x02; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 287 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 288 | /* If composite device then properly report interface */ |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 289 | if (serial->num_ports == 1) { |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 290 | interface = sierra_calc_interface(serial); |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 291 | /* Control message is sent only to interfaces with |
| 292 | * interrupt_in endpoints |
| 293 | */ |
| 294 | if (port->interrupt_in_urb) { |
| 295 | /* send control message */ |
| 296 | return usb_control_msg(serial->dev, |
| 297 | usb_rcvctrlpipe(serial->dev, 0), |
| 298 | 0x22, 0x21, val, interface, |
| 299 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 300 | } |
| 301 | } |
Kevin Lloyd | e3173b2 | 2008-07-10 14:14:51 -0700 | [diff] [blame] | 302 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 303 | /* Otherwise the need to do non-composite mapping */ |
| 304 | else { |
| 305 | if (port->bulk_out_endpointAddress == 2) |
| 306 | interface = 0; |
| 307 | else if (port->bulk_out_endpointAddress == 4) |
| 308 | interface = 1; |
| 309 | else if (port->bulk_out_endpointAddress == 5) |
| 310 | interface = 2; |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 311 | return usb_control_msg(serial->dev, |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 312 | usb_rcvctrlpipe(serial->dev, 0), |
| 313 | 0x22, 0x21, val, interface, |
| 314 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
Alan Cox | 00b040d | 2009-06-11 14:29:29 +0100 | [diff] [blame] | 315 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 316 | return 0; |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 317 | } |
| 318 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 319 | static void sierra_set_termios(struct tty_struct *tty, |
| 320 | struct usb_serial_port *port, struct ktermios *old_termios) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 321 | { |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 322 | dev_dbg(&port->dev, "%s\n", __func__); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 323 | tty_termios_copy_hw(tty->termios, old_termios); |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 324 | sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 325 | } |
| 326 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 327 | static int sierra_tiocmget(struct tty_struct *tty, struct file *file) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 328 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 329 | struct usb_serial_port *port = tty->driver_data; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 330 | unsigned int value; |
| 331 | struct sierra_port_private *portdata; |
| 332 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 333 | dev_dbg(&port->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 334 | portdata = usb_get_serial_port_data(port); |
| 335 | |
| 336 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | |
| 337 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | |
| 338 | ((portdata->cts_state) ? TIOCM_CTS : 0) | |
| 339 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | |
| 340 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | |
| 341 | ((portdata->ri_state) ? TIOCM_RNG : 0); |
| 342 | |
| 343 | return value; |
| 344 | } |
| 345 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 346 | static int sierra_tiocmset(struct tty_struct *tty, struct file *file, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 347 | unsigned int set, unsigned int clear) |
| 348 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 349 | struct usb_serial_port *port = tty->driver_data; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 350 | struct sierra_port_private *portdata; |
| 351 | |
| 352 | portdata = usb_get_serial_port_data(port); |
| 353 | |
| 354 | if (set & TIOCM_RTS) |
| 355 | portdata->rts_state = 1; |
| 356 | if (set & TIOCM_DTR) |
| 357 | portdata->dtr_state = 1; |
| 358 | |
| 359 | if (clear & TIOCM_RTS) |
| 360 | portdata->rts_state = 0; |
| 361 | if (clear & TIOCM_DTR) |
| 362 | portdata->dtr_state = 0; |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 363 | return sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 364 | } |
| 365 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 366 | static void sierra_release_urb(struct urb *urb) |
| 367 | { |
| 368 | struct usb_serial_port *port; |
| 369 | if (urb) { |
| 370 | port = urb->context; |
| 371 | dev_dbg(&port->dev, "%s: %p\n", __func__, urb); |
| 372 | kfree(urb->transfer_buffer); |
| 373 | usb_free_urb(urb); |
| 374 | } |
| 375 | } |
| 376 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 377 | static void sierra_outdat_callback(struct urb *urb) |
| 378 | { |
| 379 | struct usb_serial_port *port = urb->context; |
| 380 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 381 | int status = urb->status; |
| 382 | unsigned long flags; |
| 383 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 384 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 385 | |
| 386 | /* free up the transfer buffer, as usb_free_urb() does not do this */ |
| 387 | kfree(urb->transfer_buffer); |
| 388 | |
| 389 | if (status) |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 390 | dev_dbg(&port->dev, "%s - nonzero write bulk status " |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 391 | "received: %d\n", __func__, status); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 392 | |
| 393 | spin_lock_irqsave(&portdata->lock, flags); |
| 394 | --portdata->outstanding_urbs; |
| 395 | spin_unlock_irqrestore(&portdata->lock, flags); |
| 396 | |
| 397 | usb_serial_port_softint(port); |
| 398 | } |
| 399 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 400 | /* Write */ |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 401 | static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port, |
| 402 | const unsigned char *buf, int count) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 403 | { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 404 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 405 | struct usb_serial *serial = port->serial; |
| 406 | unsigned long flags; |
| 407 | unsigned char *buffer; |
| 408 | struct urb *urb; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 409 | size_t writesize = min((size_t)count, (size_t)MAX_TRANSFER); |
| 410 | int retval = 0; |
| 411 | |
| 412 | /* verify that we actually have some data to write */ |
| 413 | if (count == 0) |
| 414 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 415 | |
| 416 | portdata = usb_get_serial_port_data(port); |
| 417 | |
Andrew Morton | 0b10395 | 2009-05-12 15:27:59 -0700 | [diff] [blame] | 418 | dev_dbg(&port->dev, "%s: write (%zd bytes)\n", __func__, writesize); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 419 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 420 | spin_lock_irqsave(&portdata->lock, flags); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 421 | dev_dbg(&port->dev, "%s - outstanding_urbs: %d\n", __func__, |
| 422 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 423 | if (portdata->outstanding_urbs > N_OUT_URB) { |
| 424 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 425 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 426 | return 0; |
| 427 | } |
| 428 | portdata->outstanding_urbs++; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 429 | dev_dbg(&port->dev, "%s - 1, outstanding_urbs: %d\n", __func__, |
| 430 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 431 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 432 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 433 | buffer = kmalloc(writesize, GFP_ATOMIC); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 434 | if (!buffer) { |
| 435 | dev_err(&port->dev, "out of memory\n"); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 436 | retval = -ENOMEM; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 437 | goto error_no_buffer; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 438 | } |
| 439 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 440 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 441 | if (!urb) { |
| 442 | dev_err(&port->dev, "no more free urbs\n"); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 443 | retval = -ENOMEM; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 444 | goto error_no_urb; |
| 445 | } |
| 446 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 447 | memcpy(buffer, buf, writesize); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 448 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 449 | usb_serial_debug_data(debug, &port->dev, __func__, writesize, buffer); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 450 | |
| 451 | usb_fill_bulk_urb(urb, serial->dev, |
| 452 | usb_sndbulkpipe(serial->dev, |
| 453 | port->bulk_out_endpointAddress), |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 454 | buffer, writesize, sierra_outdat_callback, port); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 455 | |
Elina Pasheva | 238ebd1 | 2009-05-12 13:12:24 -0700 | [diff] [blame] | 456 | /* Handle the need to send a zero length packet */ |
| 457 | urb->transfer_flags |= URB_ZERO_PACKET; |
| 458 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 459 | /* send it down the pipe */ |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 460 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
| 461 | if (retval) { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 462 | dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 463 | "with status = %d\n", __func__, retval); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 464 | goto error; |
| 465 | } |
| 466 | |
| 467 | /* we are done with this urb, so let the host driver |
| 468 | * really free it when it is finished with it */ |
| 469 | usb_free_urb(urb); |
| 470 | |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 471 | return writesize; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 472 | error: |
| 473 | usb_free_urb(urb); |
| 474 | error_no_urb: |
| 475 | kfree(buffer); |
| 476 | error_no_buffer: |
| 477 | spin_lock_irqsave(&portdata->lock, flags); |
| 478 | --portdata->outstanding_urbs; |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 479 | dev_dbg(&port->dev, "%s - 2. outstanding_urbs: %d\n", __func__, |
| 480 | portdata->outstanding_urbs); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 481 | spin_unlock_irqrestore(&portdata->lock, flags); |
Elina Pasheva | 40d2ff3 | 2009-04-29 10:26:46 -0700 | [diff] [blame] | 482 | return retval; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | static void sierra_indat_callback(struct urb *urb) |
| 486 | { |
| 487 | int err; |
| 488 | int endpoint; |
| 489 | struct usb_serial_port *port; |
| 490 | struct tty_struct *tty; |
| 491 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 492 | int status = urb->status; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 493 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 494 | endpoint = usb_pipeendpoint(urb->pipe); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 495 | port = urb->context; |
| 496 | |
| 497 | dev_dbg(&port->dev, "%s: %p\n", __func__, urb); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 498 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 499 | if (status) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 500 | dev_dbg(&port->dev, "%s: nonzero status: %d on" |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 501 | " endpoint %02x\n", __func__, status, endpoint); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 502 | } else { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 503 | if (urb->actual_length) { |
Alan Cox | d95186d | 2009-01-02 13:42:56 +0000 | [diff] [blame] | 504 | tty = tty_port_tty_get(&port->port); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 505 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 506 | tty_buffer_request_room(tty, urb->actual_length); |
| 507 | tty_insert_flip_string(tty, data, urb->actual_length); |
| 508 | tty_flip_buffer_push(tty); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 509 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 510 | tty_kref_put(tty); |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 511 | usb_serial_debug_data(debug, &port->dev, __func__, |
| 512 | urb->actual_length, data); |
| 513 | } else { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 514 | dev_dbg(&port->dev, "%s: empty read urb" |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 515 | " received\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 516 | } |
| 517 | } |
Elina Pasheva | b0cda8c | 2009-04-29 10:29:21 -0700 | [diff] [blame] | 518 | |
| 519 | /* Resubmit urb so we continue receiving */ |
| 520 | if (port->port.count && status != -ESHUTDOWN && status != -EPERM) { |
| 521 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 522 | if (err) |
| 523 | dev_err(&port->dev, "resubmit read urb failed." |
| 524 | "(%d)\n", err); |
| 525 | } |
| 526 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 527 | return; |
| 528 | } |
| 529 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 530 | static void sierra_instat_callback(struct urb *urb) |
| 531 | { |
| 532 | int err; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 533 | int status = urb->status; |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 534 | struct usb_serial_port *port = urb->context; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 535 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 536 | struct usb_serial *serial = port->serial; |
| 537 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 538 | 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] | 539 | urb, port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 540 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 541 | if (status == 0) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 542 | struct usb_ctrlrequest *req_pkt = |
| 543 | (struct usb_ctrlrequest *)urb->transfer_buffer; |
| 544 | |
| 545 | if (!req_pkt) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 546 | dev_dbg(&port->dev, "%s: NULL req_pkt\n", |
| 547 | __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 548 | return; |
| 549 | } |
| 550 | if ((req_pkt->bRequestType == 0xA1) && |
| 551 | (req_pkt->bRequest == 0x20)) { |
| 552 | int old_dcd_state; |
| 553 | unsigned char signals = *((unsigned char *) |
| 554 | urb->transfer_buffer + |
| 555 | sizeof(struct usb_ctrlrequest)); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 556 | struct tty_struct *tty; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 557 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 558 | dev_dbg(&port->dev, "%s: signal x%x\n", __func__, |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 559 | signals); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 560 | |
| 561 | old_dcd_state = portdata->dcd_state; |
| 562 | portdata->cts_state = 1; |
| 563 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); |
| 564 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); |
| 565 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); |
| 566 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 567 | tty = tty_port_tty_get(&port->port); |
| 568 | if (tty && !C_CLOCAL(tty) && |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 569 | old_dcd_state && !portdata->dcd_state) |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 570 | tty_hangup(tty); |
| 571 | tty_kref_put(tty); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 572 | } else { |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 573 | dev_dbg(&port->dev, "%s: type %x req %x\n", |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 574 | __func__, req_pkt->bRequestType, |
| 575 | req_pkt->bRequest); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 576 | } |
| 577 | } else |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 578 | dev_dbg(&port->dev, "%s: error %d\n", __func__, status); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 579 | |
| 580 | /* Resubmit urb so we continue receiving IRQ data */ |
Elina Pasheva | c76a23d | 2009-05-12 13:12:37 -0700 | [diff] [blame] | 581 | if (port->port.count && status != -ESHUTDOWN && status != -ENOENT) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 582 | urb->dev = serial->dev; |
| 583 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 584 | if (err) |
Elina Pasheva | c76a23d | 2009-05-12 13:12:37 -0700 | [diff] [blame] | 585 | dev_err(&port->dev, "%s: resubmit intr urb " |
| 586 | "failed. (%d)\n", __func__, err); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 587 | } |
| 588 | } |
| 589 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 590 | static int sierra_write_room(struct tty_struct *tty) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 591 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 592 | struct usb_serial_port *port = tty->driver_data; |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 593 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 594 | unsigned long flags; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 595 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 596 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 597 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 598 | /* try to give a good number back based on if we have any free urbs at |
| 599 | * this point in time */ |
| 600 | spin_lock_irqsave(&portdata->lock, flags); |
| 601 | if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) { |
| 602 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 603 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 604 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 605 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 606 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 607 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 608 | return 2048; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 609 | } |
| 610 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 611 | static void sierra_stop_rx_urbs(struct usb_serial_port *port) |
| 612 | { |
| 613 | int i; |
| 614 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 615 | |
| 616 | for (i = 0; i < ARRAY_SIZE(portdata->in_urbs); i++) |
| 617 | usb_kill_urb(portdata->in_urbs[i]); |
| 618 | |
| 619 | usb_kill_urb(port->interrupt_in_urb); |
| 620 | } |
| 621 | |
| 622 | static int sierra_submit_rx_urbs(struct usb_serial_port *port, gfp_t mem_flags) |
| 623 | { |
| 624 | int ok_cnt; |
| 625 | int err = -EINVAL; |
| 626 | int i; |
| 627 | struct urb *urb; |
| 628 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 629 | |
| 630 | ok_cnt = 0; |
| 631 | for (i = 0; i < ARRAY_SIZE(portdata->in_urbs); i++) { |
| 632 | urb = portdata->in_urbs[i]; |
| 633 | if (!urb) |
| 634 | continue; |
| 635 | err = usb_submit_urb(urb, mem_flags); |
| 636 | if (err) { |
| 637 | dev_err(&port->dev, "%s: submit urb failed: %d\n", |
| 638 | __func__, err); |
| 639 | } else { |
| 640 | ok_cnt++; |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | if (ok_cnt && port->interrupt_in_urb) { |
| 645 | err = usb_submit_urb(port->interrupt_in_urb, mem_flags); |
| 646 | if (err) { |
| 647 | dev_err(&port->dev, "%s: submit intr urb failed: %d\n", |
| 648 | __func__, err); |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | if (ok_cnt > 0) /* at least one rx urb submitted */ |
| 653 | return 0; |
| 654 | else |
| 655 | return err; |
| 656 | } |
| 657 | |
| 658 | static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint, |
| 659 | int dir, void *ctx, int len, |
| 660 | gfp_t mem_flags, |
| 661 | usb_complete_t callback) |
| 662 | { |
| 663 | struct urb *urb; |
| 664 | u8 *buf; |
| 665 | |
| 666 | if (endpoint == -1) |
| 667 | return NULL; |
| 668 | |
| 669 | urb = usb_alloc_urb(0, mem_flags); |
| 670 | if (urb == NULL) { |
| 671 | dev_dbg(&serial->dev->dev, "%s: alloc for endpoint %d failed\n", |
| 672 | __func__, endpoint); |
| 673 | return NULL; |
| 674 | } |
| 675 | |
| 676 | buf = kmalloc(len, mem_flags); |
| 677 | if (buf) { |
| 678 | /* Fill URB using supplied data */ |
| 679 | usb_fill_bulk_urb(urb, serial->dev, |
| 680 | usb_sndbulkpipe(serial->dev, endpoint) | dir, |
| 681 | buf, len, callback, ctx); |
| 682 | |
| 683 | /* debug */ |
| 684 | dev_dbg(&serial->dev->dev, "%s %c u : %p d:%p\n", __func__, |
| 685 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); |
| 686 | } else { |
| 687 | dev_dbg(&serial->dev->dev, "%s %c u:%p d:%p\n", __func__, |
| 688 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); |
| 689 | |
| 690 | sierra_release_urb(urb); |
| 691 | urb = NULL; |
| 692 | } |
| 693 | |
| 694 | return urb; |
| 695 | } |
| 696 | |
| 697 | static void sierra_close(struct usb_serial_port *port) |
| 698 | { |
| 699 | int i; |
| 700 | struct usb_serial *serial = port->serial; |
| 701 | struct sierra_port_private *portdata; |
| 702 | |
| 703 | dev_dbg(&port->dev, "%s\n", __func__); |
| 704 | portdata = usb_get_serial_port_data(port); |
| 705 | |
| 706 | portdata->rts_state = 0; |
| 707 | portdata->dtr_state = 0; |
| 708 | |
| 709 | if (serial->dev) { |
| 710 | mutex_lock(&serial->disc_mutex); |
| 711 | if (!serial->disconnected) |
| 712 | sierra_send_setup(port); |
| 713 | mutex_unlock(&serial->disc_mutex); |
| 714 | |
| 715 | /* Stop reading urbs */ |
| 716 | sierra_stop_rx_urbs(port); |
| 717 | /* .. and release them */ |
| 718 | for (i = 0; i < N_IN_URB; i++) { |
| 719 | sierra_release_urb(portdata->in_urbs[i]); |
| 720 | portdata->in_urbs[i] = NULL; |
| 721 | } |
| 722 | } |
| 723 | } |
| 724 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 725 | static int sierra_open(struct tty_struct *tty, |
| 726 | struct usb_serial_port *port, struct file *filp) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 727 | { |
| 728 | struct sierra_port_private *portdata; |
| 729 | struct usb_serial *serial = port->serial; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 730 | int i; |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 731 | int err; |
| 732 | int endpoint; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 733 | struct urb *urb; |
| 734 | |
| 735 | portdata = usb_get_serial_port_data(port); |
| 736 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 737 | dev_dbg(&port->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 738 | |
| 739 | /* Set some sane defaults */ |
| 740 | portdata->rts_state = 1; |
| 741 | portdata->dtr_state = 1; |
| 742 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 743 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 744 | endpoint = port->bulk_in_endpointAddress; |
| 745 | for (i = 0; i < ARRAY_SIZE(portdata->in_urbs); i++) { |
| 746 | urb = sierra_setup_urb(serial, endpoint, USB_DIR_IN, port, |
| 747 | IN_BUFLEN, GFP_KERNEL, |
| 748 | sierra_indat_callback); |
| 749 | portdata->in_urbs[i] = urb; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 750 | } |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 751 | /* clear halt condition */ |
| 752 | usb_clear_halt(serial->dev, |
| 753 | usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 754 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 755 | err = sierra_submit_rx_urbs(port, GFP_KERNEL); |
| 756 | if (err) { |
| 757 | /* get rid of everything as in close */ |
| 758 | sierra_close(port); |
| 759 | return err; |
| 760 | } |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 761 | sierra_send_setup(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 762 | |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 763 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 764 | } |
| 765 | |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 766 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 767 | static void sierra_dtr_rts(struct usb_serial_port *port, int on) |
| 768 | { |
| 769 | struct usb_serial *serial = port->serial; |
| 770 | struct sierra_port_private *portdata; |
| 771 | |
| 772 | portdata = usb_get_serial_port_data(port); |
| 773 | portdata->rts_state = on; |
| 774 | portdata->dtr_state = on; |
| 775 | |
| 776 | if (serial->dev) { |
| 777 | mutex_lock(&serial->disc_mutex); |
| 778 | if (!serial->disconnected) |
| 779 | sierra_send_setup(port); |
| 780 | mutex_unlock(&serial->disc_mutex); |
| 781 | } |
| 782 | } |
| 783 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 784 | static int sierra_startup(struct usb_serial *serial) |
| 785 | { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 786 | struct usb_serial_port *port; |
| 787 | struct sierra_port_private *portdata; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 788 | int i; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 789 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 790 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 791 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 792 | /* Set Device mode to D0 */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 793 | sierra_set_power_state(serial->dev, 0x0000); |
| 794 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 795 | /* Check NMEA and set */ |
| 796 | if (nmea) |
| 797 | sierra_vsc_set_nmea(serial->dev, 1); |
| 798 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 799 | /* Now setup per port private data */ |
| 800 | for (i = 0; i < serial->num_ports; i++) { |
| 801 | port = serial->port[i]; |
| 802 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
| 803 | if (!portdata) { |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 804 | dev_dbg(&port->dev, "%s: kmalloc for " |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 805 | "sierra_port_private (%d) failed!.\n", |
Kevin Lloyd | 7384a92 | 2008-09-16 21:05:24 -0700 | [diff] [blame] | 806 | __func__, i); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 807 | return -ENOMEM; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 808 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 809 | spin_lock_init(&portdata->lock); |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 810 | /* Set the port private data pointer */ |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 811 | usb_set_serial_port_data(port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 812 | } |
| 813 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 814 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 815 | } |
| 816 | |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 817 | static void sierra_disconnect(struct usb_serial *serial) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 818 | { |
Elina Pasheva | b9a44bc | 2009-06-11 14:30:21 +0100 | [diff] [blame] | 819 | int i; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 820 | struct usb_serial_port *port; |
| 821 | struct sierra_port_private *portdata; |
| 822 | |
Elina Pasheva | 5d44b36 | 2009-04-27 18:41:52 -0700 | [diff] [blame] | 823 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 824 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 825 | for (i = 0; i < serial->num_ports; ++i) { |
| 826 | port = serial->port[i]; |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 827 | if (!port) |
| 828 | continue; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 829 | portdata = usb_get_serial_port_data(port); |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 830 | if (!portdata) |
| 831 | continue; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 832 | kfree(portdata); |
| 833 | usb_set_serial_port_data(port, NULL); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 834 | } |
| 835 | } |
| 836 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 837 | static struct usb_serial_driver sierra_device = { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 838 | .driver = { |
| 839 | .owner = THIS_MODULE, |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 840 | .name = "sierra", |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 841 | }, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 842 | .description = "Sierra USB modem", |
| 843 | .id_table = id_table, |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 844 | .usb_driver = &sierra_driver, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 845 | .calc_num_ports = sierra_calc_num_ports, |
| 846 | .probe = sierra_probe, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 847 | .open = sierra_open, |
| 848 | .close = sierra_close, |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 849 | .dtr_rts = sierra_dtr_rts, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 850 | .write = sierra_write, |
| 851 | .write_room = sierra_write_room, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 852 | .set_termios = sierra_set_termios, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 853 | .tiocmget = sierra_tiocmget, |
| 854 | .tiocmset = sierra_tiocmset, |
| 855 | .attach = sierra_startup, |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 856 | .disconnect = sierra_disconnect, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 857 | .read_int_callback = sierra_instat_callback, |
| 858 | }; |
| 859 | |
| 860 | /* Functions used by new usb-serial code. */ |
| 861 | static int __init sierra_init(void) |
| 862 | { |
| 863 | int retval; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 864 | retval = usb_serial_register(&sierra_device); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 865 | if (retval) |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 866 | goto failed_device_register; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 867 | |
| 868 | |
| 869 | retval = usb_register(&sierra_driver); |
| 870 | if (retval) |
| 871 | goto failed_driver_register; |
| 872 | |
Greg Kroah-Hartman | c197a8d | 2008-08-18 13:21:04 -0700 | [diff] [blame] | 873 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
| 874 | DRIVER_DESC "\n"); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 875 | |
| 876 | return 0; |
| 877 | |
| 878 | failed_driver_register: |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 879 | usb_serial_deregister(&sierra_device); |
| 880 | failed_device_register: |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 881 | return retval; |
| 882 | } |
| 883 | |
| 884 | static void __exit sierra_exit(void) |
| 885 | { |
Alan Cox | 9660ea3 | 2008-07-22 11:14:59 +0100 | [diff] [blame] | 886 | usb_deregister(&sierra_driver); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 887 | usb_serial_deregister(&sierra_device); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | module_init(sierra_init); |
| 891 | module_exit(sierra_exit); |
| 892 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 893 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 894 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 895 | MODULE_VERSION(DRIVER_VERSION); |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 896 | MODULE_LICENSE("GPL"); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 897 | |
Kevin Lloyd | 4e0fee8 | 2008-07-10 14:14:47 -0700 | [diff] [blame] | 898 | module_param(nmea, bool, S_IRUGO | S_IWUSR); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 899 | MODULE_PARM_DESC(nmea, "NMEA streaming"); |
| 900 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 901 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 902 | MODULE_PARM_DESC(debug, "Debug messages"); |