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 | |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 4 | Copyright (C) 2006, 2007, 2008 Kevin Lloyd <klloyd@sierrawireless.com> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 5 | |
| 6 | IMPORTANT DISCLAIMER: This driver is not commercially supported by |
| 7 | Sierra Wireless. Use at your own risk. |
| 8 | |
| 9 | This driver is free software; you can redistribute it and/or modify |
| 10 | it under the terms of Version 2 of the GNU General Public License as |
| 11 | published by the Free Software Foundation. |
| 12 | |
| 13 | Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de> |
| 14 | 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] | 15 | */ |
| 16 | |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 17 | #define DRIVER_VERSION "v.1.2.9c" |
| 18 | #define DRIVER_AUTHOR "Kevin Lloyd <klloyd@sierrawireless.com>" |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 19 | #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 20 | |
| 21 | #include <linux/kernel.h> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 22 | #include <linux/jiffies.h> |
| 23 | #include <linux/errno.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 24 | #include <linux/tty.h> |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 25 | #include <linux/tty_flip.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 26 | #include <linux/module.h> |
| 27 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 28 | #include <linux/usb/serial.h> |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 29 | #include <linux/usb/ch9.h> |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 30 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 31 | #define SWIMS_USB_REQUEST_SetPower 0x00 |
| 32 | #define SWIMS_USB_REQUEST_SetNmea 0x07 |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 33 | #define SWIMS_USB_REQUEST_SetMode 0x0B |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 34 | #define SWIMS_SET_MODE_Modem 0x0001 |
| 35 | |
| 36 | /* per port private data */ |
| 37 | #define N_IN_URB 4 |
| 38 | #define N_OUT_URB 4 |
| 39 | #define IN_BUFLEN 4096 |
| 40 | |
| 41 | static int debug; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 42 | static int nmea; |
| 43 | static int truinstall = 1; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 44 | |
| 45 | enum devicetype { |
| 46 | DEVICE_3_PORT = 0, |
| 47 | DEVICE_1_PORT = 1, |
| 48 | DEVICE_INSTALLER = 2, |
| 49 | }; |
| 50 | |
Adrian Bunk | 82a24e6 | 2007-07-29 16:59:02 +0200 | [diff] [blame] | 51 | static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 52 | { |
| 53 | int result; |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 54 | dev_dbg(&udev->dev, "%s", "SET POWER STATE\n"); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 55 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 56 | SWIMS_USB_REQUEST_SetPower, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 57 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 58 | swiState, /* __u16 value */ |
| 59 | 0, /* __u16 index */ |
| 60 | NULL, /* void *data */ |
| 61 | 0, /* __u16 size */ |
| 62 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 63 | return result; |
| 64 | } |
| 65 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 66 | static int sierra_set_ms_mode(struct usb_device *udev, __u16 eSWocMode) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 67 | { |
| 68 | int result; |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 69 | dev_dbg(&udev->dev, "%s", "DEVICE MODE SWITCH\n"); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 70 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| 71 | SWIMS_USB_REQUEST_SetMode, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 72 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 73 | eSWocMode, /* __u16 value */ |
| 74 | 0x0000, /* __u16 index */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 75 | NULL, /* void *data */ |
| 76 | 0, /* __u16 size */ |
| 77 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
| 78 | return result; |
| 79 | } |
| 80 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 81 | static int sierra_vsc_set_nmea(struct usb_device *udev, __u16 enable) |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 82 | { |
| 83 | int result; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 84 | dev_dbg(&udev->dev, "%s", "NMEA Enable sent\n"); |
| 85 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| 86 | SWIMS_USB_REQUEST_SetNmea, /* __u8 request */ |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 87 | USB_TYPE_VENDOR, /* __u8 request type */ |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 88 | enable, /* __u16 value */ |
| 89 | 0x0000, /* __u16 index */ |
| 90 | NULL, /* void *data */ |
| 91 | 0, /* __u16 size */ |
| 92 | USB_CTRL_SET_TIMEOUT); /* int timeout */ |
| 93 | return result; |
| 94 | } |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 95 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 96 | static int sierra_calc_num_ports(struct usb_serial *serial) |
| 97 | { |
| 98 | int result; |
| 99 | int *num_ports = usb_get_serial_data(serial); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 100 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 101 | result = *num_ports; |
| 102 | |
| 103 | if (result) { |
| 104 | kfree(num_ports); |
| 105 | usb_set_serial_data(serial, NULL); |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 106 | } |
| 107 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 108 | return result; |
| 109 | } |
| 110 | |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 111 | static int sierra_calc_interface(struct usb_serial *serial) |
| 112 | { |
| 113 | int interface; |
| 114 | struct usb_interface *p_interface; |
| 115 | struct usb_host_interface *p_host_interface; |
| 116 | |
| 117 | /* Get the interface structure pointer from the serial struct */ |
| 118 | p_interface = serial->interface; |
| 119 | |
| 120 | /* Get a pointer to the host interface structure */ |
| 121 | p_host_interface = p_interface->cur_altsetting; |
| 122 | |
| 123 | /* read the interface descriptor for this active altsetting |
| 124 | * to find out the interface number we are on |
| 125 | */ |
| 126 | interface = p_host_interface->desc.bInterfaceNumber; |
| 127 | |
| 128 | return interface; |
| 129 | } |
| 130 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 131 | static int sierra_probe(struct usb_serial *serial, |
| 132 | const struct usb_device_id *id) |
| 133 | { |
| 134 | int result = 0; |
| 135 | struct usb_device *udev; |
| 136 | int *num_ports; |
| 137 | u8 ifnum; |
| 138 | |
| 139 | num_ports = kmalloc(sizeof(*num_ports), GFP_KERNEL); |
| 140 | if (!num_ports) |
| 141 | return -ENOMEM; |
| 142 | |
| 143 | ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; |
| 144 | udev = serial->dev; |
| 145 | |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 146 | /* Figure out the interface number from the serial structure */ |
| 147 | ifnum = sierra_calc_interface(serial); |
| 148 | |
| 149 | /* |
| 150 | * If this interface supports more than 1 alternate |
| 151 | * select the 2nd one |
| 152 | */ |
| 153 | if (serial->interface->num_altsetting == 2) { |
| 154 | dev_dbg(&udev->dev, |
| 155 | "Selecting alt setting for interface %d\n", |
| 156 | ifnum); |
| 157 | |
| 158 | /* We know the alternate setting is 1 for the MC8785 */ |
| 159 | usb_set_interface(udev, ifnum, 1); |
| 160 | } |
| 161 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 162 | /* Check if in installer mode */ |
| 163 | if (truinstall && id->driver_info == DEVICE_INSTALLER) { |
| 164 | dev_dbg(&udev->dev, "%s", "FOUND TRU-INSTALL DEVICE(SW)\n"); |
| 165 | result = sierra_set_ms_mode(udev, SWIMS_SET_MODE_Modem); |
| 166 | /* Don't bind to the device when in installer mode */ |
| 167 | kfree(num_ports); |
| 168 | return -EIO; |
| 169 | } else if (id->driver_info == DEVICE_1_PORT) |
| 170 | *num_ports = 1; |
| 171 | else if (ifnum == 0x99) |
| 172 | *num_ports = 0; |
| 173 | else |
| 174 | *num_ports = 3; |
| 175 | /* |
| 176 | * save off our num_ports info so that we can use it in the |
| 177 | * calc_num_ports callback |
| 178 | */ |
| 179 | usb_set_serial_data(serial, (void *)num_ports); |
| 180 | |
| 181 | return result; |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 182 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 183 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 184 | static struct usb_device_id id_table [] = { |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 185 | { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 186 | { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
Greg Kroah-Hartman | 90ac3c8 | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 187 | { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 188 | { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 189 | { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
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 | 69a90f8 | 2008-03-31 10:20:54 -0700 | [diff] [blame] | 194 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, /* Sierra Wireless C597 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 195 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 196 | { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 197 | { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 198 | { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 199 | { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
Kevin R Page | ed0ccdb | 2007-12-13 01:10:48 +0000 | [diff] [blame] | 200 | { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */ |
Kevin Lloyd | 7f170a6 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 201 | { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ |
Stefan Seyfried | 8f7f85e | 2008-04-17 07:47:34 +0200 | [diff] [blame] | 202 | { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */ |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 203 | { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 204 | { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 205 | { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/ |
| 206 | { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/ |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 207 | { USB_DEVICE(0x1199, 0x683B), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8785 Composite*/ |
Kevin Lloyd | 9454c46 | 2007-07-16 13:49:29 -0700 | [diff] [blame] | 208 | { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
| 209 | { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ |
| 210 | { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */ |
| 211 | { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */ |
Kevin Lloyd | 6835b32 | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 212 | { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
Jessica L. Blank | 62aad3a | 2007-12-30 20:11:35 -0600 | [diff] [blame] | 213 | { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */ |
Kevin Lloyd | 7106967 | 2008-04-02 11:24:56 -0700 | [diff] [blame] | 214 | { USB_DEVICE(0x1199, 0x6859), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */ |
| 215 | { USB_DEVICE(0x1199, 0x685A), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */ |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 216 | |
Kevin Lloyd | 6835b32 | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 217 | { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */ |
| 218 | { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */ |
| 219 | |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 220 | { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */ |
| 221 | { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */ |
| 222 | |
| 223 | { USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER}, |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 224 | { } |
| 225 | }; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 226 | MODULE_DEVICE_TABLE(usb, id_table); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 227 | |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 228 | static struct usb_driver sierra_driver = { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 229 | .name = "sierra", |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 230 | .probe = usb_serial_probe, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 231 | .disconnect = usb_serial_disconnect, |
| 232 | .id_table = id_table, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 233 | .no_dynamic_id = 1, |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 234 | }; |
| 235 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 236 | struct sierra_port_private { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 237 | spinlock_t lock; /* lock the structure */ |
| 238 | int outstanding_urbs; /* number of out urbs in flight */ |
| 239 | |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 240 | /* Input endpoints and buffers for this port */ |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 241 | struct urb *in_urbs[N_IN_URB]; |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 242 | char *in_buffer[N_IN_URB]; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 243 | |
| 244 | /* Settings for the port */ |
| 245 | int rts_state; /* Handshaking pins (outputs) */ |
| 246 | int dtr_state; |
| 247 | int cts_state; /* Handshaking pins (inputs) */ |
| 248 | int dsr_state; |
| 249 | int dcd_state; |
| 250 | int ri_state; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 251 | }; |
| 252 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 253 | static int sierra_send_setup(struct usb_serial_port *port) |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 254 | { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 255 | struct usb_serial *serial = port->serial; |
| 256 | struct sierra_port_private *portdata; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 257 | __u16 interface = 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 258 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 259 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 260 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 261 | portdata = usb_get_serial_port_data(port); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 262 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 263 | if (port->tty) { |
| 264 | int val = 0; |
| 265 | if (portdata->dtr_state) |
| 266 | val |= 0x01; |
| 267 | if (portdata->rts_state) |
| 268 | val |= 0x02; |
| 269 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 270 | /* Determine which port is targeted */ |
| 271 | if (port->bulk_out_endpointAddress == 2) |
| 272 | interface = 0; |
| 273 | else if (port->bulk_out_endpointAddress == 4) |
| 274 | interface = 1; |
| 275 | else if (port->bulk_out_endpointAddress == 5) |
| 276 | interface = 2; |
| 277 | |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 278 | return usb_control_msg(serial->dev, |
| 279 | usb_rcvctrlpipe(serial->dev, 0), |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 280 | 0x22, 0x21, val, interface, |
| 281 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 282 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 283 | |
| 284 | return 0; |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 285 | } |
| 286 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 287 | static void sierra_rx_throttle(struct usb_serial_port *port) |
| 288 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 289 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | static void sierra_rx_unthrottle(struct usb_serial_port *port) |
| 293 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 294 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | static void sierra_break_ctl(struct usb_serial_port *port, int break_state) |
| 298 | { |
| 299 | /* Unfortunately, I don't know how to send a break */ |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 300 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | static void sierra_set_termios(struct usb_serial_port *port, |
Alan Cox | 606d099 | 2006-12-08 02:38:45 -0800 | [diff] [blame] | 304 | struct ktermios *old_termios) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 305 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 306 | dbg("%s", __func__); |
Alan Cox | ed1f12e | 2007-10-18 01:24:22 -0700 | [diff] [blame] | 307 | tty_termios_copy_hw(port->tty->termios, old_termios); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 308 | sierra_send_setup(port); |
| 309 | } |
| 310 | |
| 311 | static int sierra_tiocmget(struct usb_serial_port *port, struct file *file) |
| 312 | { |
| 313 | unsigned int value; |
| 314 | struct sierra_port_private *portdata; |
| 315 | |
| 316 | portdata = usb_get_serial_port_data(port); |
| 317 | |
| 318 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | |
| 319 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | |
| 320 | ((portdata->cts_state) ? TIOCM_CTS : 0) | |
| 321 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | |
| 322 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | |
| 323 | ((portdata->ri_state) ? TIOCM_RNG : 0); |
| 324 | |
| 325 | return value; |
| 326 | } |
| 327 | |
| 328 | static int sierra_tiocmset(struct usb_serial_port *port, struct file *file, |
| 329 | unsigned int set, unsigned int clear) |
| 330 | { |
| 331 | struct sierra_port_private *portdata; |
| 332 | |
| 333 | portdata = usb_get_serial_port_data(port); |
| 334 | |
| 335 | if (set & TIOCM_RTS) |
| 336 | portdata->rts_state = 1; |
| 337 | if (set & TIOCM_DTR) |
| 338 | portdata->dtr_state = 1; |
| 339 | |
| 340 | if (clear & TIOCM_RTS) |
| 341 | portdata->rts_state = 0; |
| 342 | if (clear & TIOCM_DTR) |
| 343 | portdata->dtr_state = 0; |
| 344 | return sierra_send_setup(port); |
| 345 | } |
| 346 | |
| 347 | static int sierra_ioctl(struct usb_serial_port *port, struct file *file, |
| 348 | unsigned int cmd, unsigned long arg) |
| 349 | { |
| 350 | return -ENOIOCTLCMD; |
| 351 | } |
| 352 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 353 | static void sierra_outdat_callback(struct urb *urb) |
| 354 | { |
| 355 | struct usb_serial_port *port = urb->context; |
| 356 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 357 | int status = urb->status; |
| 358 | unsigned long flags; |
| 359 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 360 | dbg("%s - port %d", __func__, port->number); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 361 | |
| 362 | /* free up the transfer buffer, as usb_free_urb() does not do this */ |
| 363 | kfree(urb->transfer_buffer); |
| 364 | |
| 365 | if (status) |
| 366 | dbg("%s - nonzero write bulk status received: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 367 | __func__, status); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 368 | |
| 369 | spin_lock_irqsave(&portdata->lock, flags); |
| 370 | --portdata->outstanding_urbs; |
| 371 | spin_unlock_irqrestore(&portdata->lock, flags); |
| 372 | |
| 373 | usb_serial_port_softint(port); |
| 374 | } |
| 375 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 376 | /* Write */ |
| 377 | static int sierra_write(struct usb_serial_port *port, |
| 378 | const unsigned char *buf, int count) |
| 379 | { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 380 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 381 | struct usb_serial *serial = port->serial; |
| 382 | unsigned long flags; |
| 383 | unsigned char *buffer; |
| 384 | struct urb *urb; |
| 385 | int status; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 386 | |
| 387 | portdata = usb_get_serial_port_data(port); |
| 388 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 389 | dbg("%s: write (%d chars)", __func__, count); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 390 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 391 | spin_lock_irqsave(&portdata->lock, flags); |
| 392 | if (portdata->outstanding_urbs > N_OUT_URB) { |
| 393 | spin_unlock_irqrestore(&portdata->lock, flags); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 394 | dbg("%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 395 | return 0; |
| 396 | } |
| 397 | portdata->outstanding_urbs++; |
| 398 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 399 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 400 | buffer = kmalloc(count, GFP_ATOMIC); |
| 401 | if (!buffer) { |
| 402 | dev_err(&port->dev, "out of memory\n"); |
| 403 | count = -ENOMEM; |
| 404 | goto error_no_buffer; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 405 | } |
| 406 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 407 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 408 | if (!urb) { |
| 409 | dev_err(&port->dev, "no more free urbs\n"); |
| 410 | count = -ENOMEM; |
| 411 | goto error_no_urb; |
| 412 | } |
| 413 | |
| 414 | memcpy(buffer, buf, count); |
| 415 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 416 | usb_serial_debug_data(debug, &port->dev, __func__, count, buffer); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 417 | |
| 418 | usb_fill_bulk_urb(urb, serial->dev, |
| 419 | usb_sndbulkpipe(serial->dev, |
| 420 | port->bulk_out_endpointAddress), |
| 421 | buffer, count, sierra_outdat_callback, port); |
| 422 | |
| 423 | /* send it down the pipe */ |
| 424 | status = usb_submit_urb(urb, GFP_ATOMIC); |
| 425 | if (status) { |
| 426 | dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 427 | "with status = %d\n", __func__, status); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 428 | count = status; |
| 429 | goto error; |
| 430 | } |
| 431 | |
| 432 | /* we are done with this urb, so let the host driver |
| 433 | * really free it when it is finished with it */ |
| 434 | usb_free_urb(urb); |
| 435 | |
| 436 | return count; |
| 437 | error: |
| 438 | usb_free_urb(urb); |
| 439 | error_no_urb: |
| 440 | kfree(buffer); |
| 441 | error_no_buffer: |
| 442 | spin_lock_irqsave(&portdata->lock, flags); |
| 443 | --portdata->outstanding_urbs; |
| 444 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 445 | return count; |
| 446 | } |
| 447 | |
| 448 | static void sierra_indat_callback(struct urb *urb) |
| 449 | { |
| 450 | int err; |
| 451 | int endpoint; |
| 452 | struct usb_serial_port *port; |
| 453 | struct tty_struct *tty; |
| 454 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 455 | int status = urb->status; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 456 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 457 | dbg("%s: %p", __func__, urb); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 458 | |
| 459 | endpoint = usb_pipeendpoint(urb->pipe); |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame^] | 460 | port = urb->context; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 461 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 462 | if (status) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 463 | dbg("%s: nonzero status: %d on endpoint %02x.", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 464 | __func__, status, endpoint); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 465 | } else { |
| 466 | tty = port->tty; |
| 467 | if (urb->actual_length) { |
| 468 | tty_buffer_request_room(tty, urb->actual_length); |
| 469 | tty_insert_flip_string(tty, data, urb->actual_length); |
| 470 | tty_flip_buffer_push(tty); |
| 471 | } else { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 472 | dbg("%s: empty read urb received", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 473 | } |
| 474 | |
| 475 | /* Resubmit urb so we continue receiving */ |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 476 | if (port->open_count && status != -ESHUTDOWN) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 477 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 478 | if (err) |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 479 | dev_err(&port->dev, "resubmit read urb failed." |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 480 | "(%d)\n", err); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 481 | } |
| 482 | } |
| 483 | return; |
| 484 | } |
| 485 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 486 | static void sierra_instat_callback(struct urb *urb) |
| 487 | { |
| 488 | int err; |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 489 | int status = urb->status; |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame^] | 490 | struct usb_serial_port *port = urb->context; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 491 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 492 | struct usb_serial *serial = port->serial; |
| 493 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 494 | dbg("%s", __func__); |
| 495 | dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 496 | |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 497 | if (status == 0) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 498 | struct usb_ctrlrequest *req_pkt = |
| 499 | (struct usb_ctrlrequest *)urb->transfer_buffer; |
| 500 | |
| 501 | if (!req_pkt) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 502 | dbg("%s: NULL req_pkt\n", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 503 | return; |
| 504 | } |
| 505 | if ((req_pkt->bRequestType == 0xA1) && |
| 506 | (req_pkt->bRequest == 0x20)) { |
| 507 | int old_dcd_state; |
| 508 | unsigned char signals = *((unsigned char *) |
| 509 | urb->transfer_buffer + |
| 510 | sizeof(struct usb_ctrlrequest)); |
| 511 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 512 | dbg("%s: signal x%x", __func__, signals); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 513 | |
| 514 | old_dcd_state = portdata->dcd_state; |
| 515 | portdata->cts_state = 1; |
| 516 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); |
| 517 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); |
| 518 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); |
| 519 | |
| 520 | if (port->tty && !C_CLOCAL(port->tty) && |
| 521 | old_dcd_state && !portdata->dcd_state) |
| 522 | tty_hangup(port->tty); |
| 523 | } else { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 524 | dbg("%s: type %x req %x", __func__, |
Kevin Lloyd | f3564de | 2008-03-28 10:05:08 -0700 | [diff] [blame] | 525 | req_pkt->bRequestType, req_pkt->bRequest); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 526 | } |
| 527 | } else |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 528 | dbg("%s: error %d", __func__, status); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 529 | |
| 530 | /* Resubmit urb so we continue receiving IRQ data */ |
Greg Kroah-Hartman | 17dd221 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 531 | if (status != -ESHUTDOWN) { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 532 | urb->dev = serial->dev; |
| 533 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 534 | if (err) |
| 535 | dbg("%s: resubmit intr urb failed. (%d)", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 536 | __func__, err); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 537 | } |
| 538 | } |
| 539 | |
| 540 | static int sierra_write_room(struct usb_serial_port *port) |
| 541 | { |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 542 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| 543 | unsigned long flags; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 544 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 545 | dbg("%s - port %d", __func__, port->number); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 546 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 547 | /* try to give a good number back based on if we have any free urbs at |
| 548 | * this point in time */ |
| 549 | spin_lock_irqsave(&portdata->lock, flags); |
| 550 | if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) { |
| 551 | spin_unlock_irqrestore(&portdata->lock, flags); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 552 | dbg("%s - write limit hit\n", __func__); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 553 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 554 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 555 | spin_unlock_irqrestore(&portdata->lock, flags); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 556 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 557 | return 2048; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | static int sierra_chars_in_buffer(struct usb_serial_port *port) |
| 561 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 562 | dbg("%s - port %d", __func__, port->number); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 563 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 564 | /* |
| 565 | * We can't really account for how much data we |
| 566 | * have sent out, but hasn't made it through to the |
| 567 | * device as we can't see the backend here, so just |
| 568 | * tell the tty layer that everything is flushed. |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 569 | * |
| 570 | * FIXME: should walk the outstanding urbs info |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 571 | */ |
| 572 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | static int sierra_open(struct usb_serial_port *port, struct file *filp) |
| 576 | { |
| 577 | struct sierra_port_private *portdata; |
| 578 | struct usb_serial *serial = port->serial; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 579 | int i; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 580 | struct urb *urb; |
Kevin Lloyd | e43062d | 2007-01-17 16:04:18 -0800 | [diff] [blame] | 581 | int result; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 582 | |
| 583 | portdata = usb_get_serial_port_data(port); |
| 584 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 585 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 586 | |
| 587 | /* Set some sane defaults */ |
| 588 | portdata->rts_state = 1; |
| 589 | portdata->dtr_state = 1; |
| 590 | |
| 591 | /* Reset low level data toggle and start reading from endpoints */ |
| 592 | for (i = 0; i < N_IN_URB; i++) { |
| 593 | urb = portdata->in_urbs[i]; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 594 | if (!urb) |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 595 | continue; |
| 596 | if (urb->dev != serial->dev) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 597 | dbg("%s: dev %p != %p", __func__, |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 598 | urb->dev, serial->dev); |
| 599 | continue; |
| 600 | } |
| 601 | |
| 602 | /* |
| 603 | * make sure endpoint data toggle is synchronized with the |
| 604 | * device |
| 605 | */ |
| 606 | usb_clear_halt(urb->dev, urb->pipe); |
| 607 | |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 608 | result = usb_submit_urb(urb, GFP_KERNEL); |
| 609 | if (result) { |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 610 | dev_err(&port->dev, "submit urb %d failed (%d) %d\n", |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 611 | i, result, urb->transfer_buffer_length); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 612 | } |
| 613 | } |
| 614 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 615 | port->tty->low_latency = 1; |
| 616 | |
| 617 | sierra_send_setup(port); |
| 618 | |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 619 | /* start up the interrupt endpoint if we have one */ |
| 620 | if (port->interrupt_in_urb) { |
| 621 | result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); |
| 622 | if (result) |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 623 | dev_err(&port->dev, "submit irq_in urb failed %d\n", |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 624 | result); |
| 625 | } |
| 626 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 627 | } |
| 628 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 629 | static void sierra_close(struct usb_serial_port *port, struct file *filp) |
| 630 | { |
| 631 | int i; |
| 632 | struct usb_serial *serial = port->serial; |
| 633 | struct sierra_port_private *portdata; |
| 634 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 635 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 636 | portdata = usb_get_serial_port_data(port); |
| 637 | |
| 638 | portdata->rts_state = 0; |
| 639 | portdata->dtr_state = 0; |
| 640 | |
| 641 | if (serial->dev) { |
Oliver Neukum | e33fe4d | 2008-01-21 17:44:10 +0100 | [diff] [blame] | 642 | mutex_lock(&serial->disc_mutex); |
| 643 | if (!serial->disconnected) |
| 644 | sierra_send_setup(port); |
| 645 | mutex_unlock(&serial->disc_mutex); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 646 | |
| 647 | /* Stop reading/writing urbs */ |
| 648 | for (i = 0; i < N_IN_URB; i++) |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 649 | usb_kill_urb(portdata->in_urbs[i]); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 650 | } |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 651 | |
| 652 | usb_kill_urb(port->interrupt_in_urb); |
| 653 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 654 | port->tty = NULL; |
| 655 | } |
| 656 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 657 | static int sierra_startup(struct usb_serial *serial) |
| 658 | { |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 659 | struct usb_serial_port *port; |
| 660 | struct sierra_port_private *portdata; |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 661 | struct urb *urb; |
| 662 | int i; |
| 663 | int j; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 664 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 665 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 666 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 667 | /* Set Device mode to D0 */ |
Kevin Lloyd | 112225b | 2007-07-16 13:49:27 -0700 | [diff] [blame] | 668 | sierra_set_power_state(serial->dev, 0x0000); |
| 669 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 670 | /* Check NMEA and set */ |
| 671 | if (nmea) |
| 672 | sierra_vsc_set_nmea(serial->dev, 1); |
| 673 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 674 | /* Now setup per port private data */ |
| 675 | for (i = 0; i < serial->num_ports; i++) { |
| 676 | port = serial->port[i]; |
| 677 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
| 678 | if (!portdata) { |
| 679 | dbg("%s: kmalloc for sierra_port_private (%d) failed!.", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 680 | __func__, i); |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 681 | return -ENOMEM; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 682 | } |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 683 | spin_lock_init(&portdata->lock); |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 684 | for (j = 0; j < N_IN_URB; j++) { |
| 685 | portdata->in_buffer[j] = kmalloc(IN_BUFLEN, GFP_KERNEL); |
| 686 | if (!portdata->in_buffer[j]) { |
| 687 | for (--j; j >= 0; j--) |
| 688 | kfree(portdata->in_buffer[j]); |
| 689 | kfree(portdata); |
| 690 | return -ENOMEM; |
| 691 | } |
| 692 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 693 | |
| 694 | usb_set_serial_port_data(port, portdata); |
| 695 | |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 696 | /* initialize the in urbs */ |
| 697 | for (j = 0; j < N_IN_URB; ++j) { |
| 698 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 699 | if (urb == NULL) { |
| 700 | dbg("%s: alloc for in port failed.", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 701 | __func__); |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 702 | continue; |
| 703 | } |
| 704 | /* Fill URB using supplied data. */ |
| 705 | usb_fill_bulk_urb(urb, serial->dev, |
| 706 | usb_rcvbulkpipe(serial->dev, |
| 707 | port->bulk_in_endpointAddress), |
| 708 | portdata->in_buffer[j], IN_BUFLEN, |
| 709 | sierra_indat_callback, port); |
| 710 | portdata->in_urbs[j] = urb; |
| 711 | } |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 712 | } |
| 713 | |
Greg Kroah-Hartman | 17c2327 | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 714 | return 0; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 715 | } |
| 716 | |
| 717 | static void sierra_shutdown(struct usb_serial *serial) |
| 718 | { |
| 719 | int i, j; |
| 720 | struct usb_serial_port *port; |
| 721 | struct sierra_port_private *portdata; |
| 722 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 723 | dbg("%s", __func__); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 724 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 725 | for (i = 0; i < serial->num_ports; ++i) { |
| 726 | port = serial->port[i]; |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 727 | if (!port) |
| 728 | continue; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 729 | portdata = usb_get_serial_port_data(port); |
Greg Kroah-Hartman | f094e4f | 2007-04-26 00:12:01 -0700 | [diff] [blame] | 730 | if (!portdata) |
| 731 | continue; |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 732 | |
| 733 | for (j = 0; j < N_IN_URB; j++) { |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 734 | usb_kill_urb(portdata->in_urbs[j]); |
| 735 | usb_free_urb(portdata->in_urbs[j]); |
Oliver Neukum | 4f4f9c5 | 2008-03-14 00:53:24 -0700 | [diff] [blame] | 736 | kfree(portdata->in_buffer[j]); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 737 | } |
Greg Kroah-Hartman | 9e85c5f | 2007-06-20 14:22:23 +0900 | [diff] [blame] | 738 | kfree(portdata); |
| 739 | usb_set_serial_port_data(port, NULL); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 740 | } |
| 741 | } |
| 742 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 743 | static struct usb_serial_driver sierra_device = { |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 744 | .driver = { |
| 745 | .owner = THIS_MODULE, |
| 746 | .name = "sierra1", |
| 747 | }, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 748 | .description = "Sierra USB modem", |
| 749 | .id_table = id_table, |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 750 | .usb_driver = &sierra_driver, |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 751 | .calc_num_ports = sierra_calc_num_ports, |
| 752 | .probe = sierra_probe, |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 753 | .open = sierra_open, |
| 754 | .close = sierra_close, |
| 755 | .write = sierra_write, |
| 756 | .write_room = sierra_write_room, |
| 757 | .chars_in_buffer = sierra_chars_in_buffer, |
| 758 | .throttle = sierra_rx_throttle, |
| 759 | .unthrottle = sierra_rx_unthrottle, |
| 760 | .ioctl = sierra_ioctl, |
| 761 | .set_termios = sierra_set_termios, |
| 762 | .break_ctl = sierra_break_ctl, |
| 763 | .tiocmget = sierra_tiocmget, |
| 764 | .tiocmset = sierra_tiocmset, |
| 765 | .attach = sierra_startup, |
| 766 | .shutdown = sierra_shutdown, |
| 767 | .read_int_callback = sierra_instat_callback, |
| 768 | }; |
| 769 | |
| 770 | /* Functions used by new usb-serial code. */ |
| 771 | static int __init sierra_init(void) |
| 772 | { |
| 773 | int retval; |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 774 | retval = usb_serial_register(&sierra_device); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 775 | if (retval) |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 776 | goto failed_device_register; |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 777 | |
| 778 | |
| 779 | retval = usb_register(&sierra_driver); |
| 780 | if (retval) |
| 781 | goto failed_driver_register; |
| 782 | |
| 783 | info(DRIVER_DESC ": " DRIVER_VERSION); |
| 784 | |
| 785 | return 0; |
| 786 | |
| 787 | failed_driver_register: |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 788 | usb_serial_deregister(&sierra_device); |
| 789 | failed_device_register: |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 790 | return retval; |
| 791 | } |
| 792 | |
| 793 | static void __exit sierra_exit(void) |
| 794 | { |
| 795 | usb_deregister (&sierra_driver); |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 796 | usb_serial_deregister(&sierra_device); |
Greg Kroah-Hartman | 964ee1d | 2006-10-17 10:17:58 -0700 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | module_init(sierra_init); |
| 800 | module_exit(sierra_exit); |
| 801 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 802 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 803 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 804 | MODULE_VERSION(DRIVER_VERSION); |
Kevin Lloyd | 69de51f | 2006-06-30 11:17:55 -0700 | [diff] [blame] | 805 | MODULE_LICENSE("GPL"); |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 806 | |
Kevin Lloyd | 228426e | 2008-01-10 11:11:04 -0800 | [diff] [blame] | 807 | module_param(truinstall, bool, 0); |
| 808 | MODULE_PARM_DESC(truinstall, "TRU-Install support"); |
| 809 | |
| 810 | module_param(nmea, bool, 0); |
| 811 | MODULE_PARM_DESC(nmea, "NMEA streaming"); |
| 812 | |
Kevin Lloyd | 033a3fb | 2006-10-13 23:53:21 -0700 | [diff] [blame] | 813 | #ifdef CONFIG_USB_DEBUG |
| 814 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 815 | MODULE_PARM_DESC(debug, "Debug messages"); |
| 816 | #endif |
| 817 | |