Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * USB ZyXEL omni.net LCD PLUS driver |
| 3 | * |
Greg Kroah-Hartman | 4d0dce3 | 2007-06-12 11:43:37 -0700 | [diff] [blame] | 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License version |
| 6 | * 2 as published by the Free Software Foundation. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 8 | * See Documentation/usb/usb-serial.txt for more information on using this |
| 9 | * driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
| 11 | * Please report both successes and troubles to the author at omninet@kroah.com |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | */ |
| 13 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include <linux/kernel.h> |
| 15 | #include <linux/errno.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/slab.h> |
| 18 | #include <linux/tty.h> |
| 19 | #include <linux/tty_driver.h> |
| 20 | #include <linux/tty_flip.h> |
| 21 | #include <linux/module.h> |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 22 | #include <linux/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 24 | #include <linux/usb/serial.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 26 | static bool debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * Version Information |
| 30 | */ |
| 31 | #define DRIVER_VERSION "v1.1" |
| 32 | #define DRIVER_AUTHOR "Alessandro Zummo" |
| 33 | #define DRIVER_DESC "USB ZyXEL omni.net LCD PLUS Driver" |
| 34 | |
| 35 | #define ZYXEL_VENDOR_ID 0x0586 |
| 36 | #define ZYXEL_OMNINET_ID 0x1000 |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 37 | /* This one seems to be a re-branded ZyXEL device */ |
| 38 | #define BT_IGNITIONPRO_ID 0x2000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | |
| 40 | /* function prototypes */ |
Alan Cox | a509a7e | 2009-09-19 13:13:26 -0700 | [diff] [blame] | 41 | static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port); |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 42 | static void omninet_close(struct usb_serial_port *port); |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 43 | static void omninet_read_bulk_callback(struct urb *urb); |
| 44 | static void omninet_write_bulk_callback(struct urb *urb); |
| 45 | static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, |
| 46 | const unsigned char *buf, int count); |
| 47 | static int omninet_write_room(struct tty_struct *tty); |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 48 | static void omninet_disconnect(struct usb_serial *serial); |
| 49 | static void omninet_release(struct usb_serial *serial); |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 50 | static int omninet_attach(struct usb_serial *serial); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
Németh Márton | 7d40d7e | 2010-01-10 15:34:24 +0100 | [diff] [blame] | 52 | static const struct usb_device_id id_table[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | { USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNINET_ID) }, |
| 54 | { USB_DEVICE(ZYXEL_VENDOR_ID, BT_IGNITIONPRO_ID) }, |
| 55 | { } /* Terminating entry */ |
| 56 | }; |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 57 | MODULE_DEVICE_TABLE(usb, id_table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 59 | static struct usb_serial_driver zyxel_omninet_device = { |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 60 | .driver = { |
| 61 | .owner = THIS_MODULE, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 62 | .name = "omninet", |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 63 | }, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 64 | .description = "ZyXEL - omni.net lcd plus usb", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | .id_table = id_table, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | .num_ports = 1, |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 67 | .attach = omninet_attach, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | .open = omninet_open, |
| 69 | .close = omninet_close, |
| 70 | .write = omninet_write, |
| 71 | .write_room = omninet_write_room, |
| 72 | .read_bulk_callback = omninet_read_bulk_callback, |
| 73 | .write_bulk_callback = omninet_write_bulk_callback, |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 74 | .disconnect = omninet_disconnect, |
| 75 | .release = omninet_release, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | }; |
| 77 | |
Alan Stern | f667dda | 2012-02-23 14:57:18 -0500 | [diff] [blame] | 78 | static struct usb_serial_driver * const serial_drivers[] = { |
| 79 | &zyxel_omninet_device, NULL |
| 80 | }; |
| 81 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
| 83 | /* The protocol. |
| 84 | * |
| 85 | * The omni.net always exchange 64 bytes of data with the host. The first |
| 86 | * four bytes are the control header, you can see it in the above structure. |
| 87 | * |
| 88 | * oh_seq is a sequence number. Don't know if/how it's used. |
| 89 | * oh_len is the length of the data bytes in the packet. |
| 90 | * oh_xxx Bit-mapped, related to handshaking and status info. |
| 91 | * I normally set it to 0x03 in trasmitted frames. |
| 92 | * 7: Active when the TA is in a CONNECTed state. |
| 93 | * 6: unknown |
| 94 | * 5: handshaking, unknown |
| 95 | * 4: handshaking, unknown |
| 96 | * 3: unknown, usually 0 |
| 97 | * 2: unknown, usually 0 |
| 98 | * 1: handshaking, unknown, usually set to 1 in trasmitted frames |
| 99 | * 0: handshaking, unknown, usually set to 1 in trasmitted frames |
| 100 | * oh_pad Probably a pad byte. |
| 101 | * |
| 102 | * After the header you will find data bytes if oh_len was greater than zero. |
| 103 | * |
| 104 | */ |
| 105 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 106 | struct omninet_header { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | __u8 oh_seq; |
| 108 | __u8 oh_len; |
| 109 | __u8 oh_xxx; |
| 110 | __u8 oh_pad; |
| 111 | }; |
| 112 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 113 | struct omninet_data { |
| 114 | __u8 od_outseq; /* Sequence number for bulk_out URBs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | }; |
| 116 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 117 | static int omninet_attach(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | { |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 119 | struct omninet_data *od; |
| 120 | struct usb_serial_port *port = serial->port[0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 122 | od = kmalloc(sizeof(struct omninet_data), GFP_KERNEL); |
| 123 | if (!od) { |
Greg Kroah-Hartman | 194343d | 2008-08-20 16:56:34 -0700 | [diff] [blame] | 124 | dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", |
| 125 | __func__, sizeof(struct omninet_data)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | return -ENOMEM; |
| 127 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | usb_set_serial_port_data(port, od); |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 129 | return 0; |
| 130 | } |
| 131 | |
Alan Cox | a509a7e | 2009-09-19 13:13:26 -0700 | [diff] [blame] | 132 | static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port) |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 133 | { |
| 134 | struct usb_serial *serial = port->serial; |
| 135 | struct usb_serial_port *wport; |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 136 | int result = 0; |
| 137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | wport = serial->port[1]; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 139 | tty_port_tty_set(&wport->port, tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | |
| 141 | /* Start reading from the device */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 143 | if (result) |
Greg Kroah-Hartman | 194343d | 2008-08-20 16:56:34 -0700 | [diff] [blame] | 144 | dev_err(&port->dev, |
| 145 | "%s - failed submitting read urb, error %d\n", |
| 146 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | return result; |
| 148 | } |
| 149 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 150 | static void omninet_close(struct usb_serial_port *port) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | usb_kill_urb(port->read_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | } |
| 154 | |
| 155 | |
| 156 | #define OMNINET_DATAOFFSET 0x04 |
| 157 | #define OMNINET_HEADERLEN sizeof(struct omninet_header) |
| 158 | #define OMNINET_BULKOUTSIZE (64 - OMNINET_HEADERLEN) |
| 159 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 160 | static void omninet_read_bulk_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | { |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 162 | struct usb_serial_port *port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | unsigned char *data = urb->transfer_buffer; |
| 164 | struct omninet_header *header = (struct omninet_header *) &data[0]; |
Greg Kroah-Hartman | fdc2deb | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 165 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | int result; |
Alan Cox | 4944d40 | 2008-07-22 11:16:03 +0100 | [diff] [blame] | 167 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
Greg Kroah-Hartman | fdc2deb | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 169 | if (status) { |
| 170 | dbg("%s - nonzero read bulk status received: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 171 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | return; |
| 173 | } |
| 174 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 175 | if (debug && header->oh_xxx != 0x30) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | if (urb->actual_length) { |
Joe Perches | f45ba77 | 2010-02-05 17:51:13 -0800 | [diff] [blame] | 177 | printk(KERN_DEBUG "%s: omninet_read %d: ", |
| 178 | __FILE__, header->oh_len); |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 179 | for (i = 0; i < (header->oh_len + |
| 180 | OMNINET_HEADERLEN); i++) |
| 181 | printk("%.2x ", data[i]); |
| 182 | printk("\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | } |
| 184 | } |
| 185 | |
| 186 | if (urb->actual_length && header->oh_len) { |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 187 | struct tty_struct *tty = tty_port_tty_get(&port->port); |
| 188 | tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET, |
| 189 | header->oh_len); |
| 190 | tty_flip_buffer_push(tty); |
| 191 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | /* Continue trying to always read */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | result = usb_submit_urb(urb, GFP_ATOMIC); |
| 196 | if (result) |
Greg Kroah-Hartman | 194343d | 2008-08-20 16:56:34 -0700 | [diff] [blame] | 197 | dev_err(&port->dev, |
| 198 | "%s - failed resubmitting read urb, error %d\n", |
| 199 | __func__, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | } |
| 201 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 202 | static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, |
| 203 | const unsigned char *buf, int count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | { |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 205 | struct usb_serial *serial = port->serial; |
| 206 | struct usb_serial_port *wport = serial->port[1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 208 | struct omninet_data *od = usb_get_serial_port_data(port); |
| 209 | struct omninet_header *header = (struct omninet_header *) |
| 210 | wport->write_urb->transfer_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | |
| 212 | int result; |
| 213 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | if (count == 0) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 215 | dbg("%s - write request of 0 bytes", __func__); |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 216 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | } |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 218 | |
Johan Hovold | 120f9db | 2011-11-06 19:06:22 +0100 | [diff] [blame] | 219 | if (!test_and_clear_bit(0, &port->write_urbs_free)) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 220 | dbg("%s - already writing", __func__); |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 221 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count; |
| 225 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 226 | memcpy(wport->write_urb->transfer_buffer + OMNINET_DATAOFFSET, |
| 227 | buf, count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 229 | usb_serial_debug_data(debug, &port->dev, __func__, count, |
| 230 | wport->write_urb->transfer_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | |
| 232 | header->oh_seq = od->od_outseq++; |
| 233 | header->oh_len = count; |
| 234 | header->oh_xxx = 0x03; |
| 235 | header->oh_pad = 0x00; |
| 236 | |
| 237 | /* send the data out the bulk port, always 64 bytes */ |
| 238 | wport->write_urb->transfer_buffer_length = 64; |
| 239 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | result = usb_submit_urb(wport->write_urb, GFP_ATOMIC); |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 241 | if (result) { |
Johan Hovold | 120f9db | 2011-11-06 19:06:22 +0100 | [diff] [blame] | 242 | set_bit(0, &wport->write_urbs_free); |
Johan Hovold | 22a416c | 2012-02-10 13:20:51 +0100 | [diff] [blame] | 243 | dev_err_console(port, |
Greg Kroah-Hartman | 194343d | 2008-08-20 16:56:34 -0700 | [diff] [blame] | 244 | "%s - failed submitting write urb, error %d\n", |
| 245 | __func__, result); |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 246 | } else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | result = count; |
| 248 | |
| 249 | return result; |
| 250 | } |
| 251 | |
| 252 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 253 | static int omninet_write_room(struct tty_struct *tty) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 255 | struct usb_serial_port *port = tty->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | struct usb_serial *serial = port->serial; |
| 257 | struct usb_serial_port *wport = serial->port[1]; |
| 258 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 259 | int room = 0; /* Default: no room */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | |
Johan Hovold | 120f9db | 2011-11-06 19:06:22 +0100 | [diff] [blame] | 261 | if (test_bit(0, &wport->write_urbs_free)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | room = wport->bulk_out_size - OMNINET_HEADERLEN; |
| 263 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 264 | dbg("%s - returns %d", __func__, room); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 266 | return room; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | } |
| 268 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 269 | static void omninet_write_bulk_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | { |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 271 | /* struct omninet_header *header = (struct omninet_header *) |
| 272 | urb->transfer_buffer; */ |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 273 | struct usb_serial_port *port = urb->context; |
Greg Kroah-Hartman | fdc2deb | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 274 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | |
Johan Hovold | 120f9db | 2011-11-06 19:06:22 +0100 | [diff] [blame] | 276 | set_bit(0, &port->write_urbs_free); |
Greg Kroah-Hartman | fdc2deb | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 277 | if (status) { |
| 278 | dbg("%s - nonzero write bulk status received: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 279 | __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | return; |
| 281 | } |
| 282 | |
Pete Zaitcev | cf2c748 | 2006-05-22 21:58:49 -0700 | [diff] [blame] | 283 | usb_serial_port_softint(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 287 | static void omninet_disconnect(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | { |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 289 | struct usb_serial_port *wport = serial->port[1]; |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 290 | |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 291 | usb_kill_urb(wport->write_urb); |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | |
| 295 | static void omninet_release(struct usb_serial *serial) |
| 296 | { |
| 297 | struct usb_serial_port *port = serial->port[0]; |
| 298 | |
Oliver Neukum | 5ec1862 | 2007-03-27 16:02:34 +0200 | [diff] [blame] | 299 | kfree(usb_get_serial_port_data(port)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | } |
| 301 | |
Greg Kroah-Hartman | 68e2411 | 2012-05-08 15:46:14 -0700 | [diff] [blame] | 302 | module_usb_serial_driver(serial_drivers, id_table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | |
Alan Cox | f89d0df | 2008-07-22 11:15:54 +0100 | [diff] [blame] | 304 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 305 | MODULE_DESCRIPTION(DRIVER_DESC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | MODULE_LICENSE("GPL"); |
| 307 | |
| 308 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 309 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |