Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 2 | * USB Serial Converter stuff |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
Greg Kroah-Hartman | 502b95c | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 4 | * Copyright (C) 1999 - 2005 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * Greg Kroah-Hartman (greg@kroah.com) |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 9 | * the Free Software Foundation; version 2 of the License. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | */ |
| 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #ifndef __LINUX_USB_SERIAL_H |
| 14 | #define __LINUX_USB_SERIAL_H |
| 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include <linux/kref.h> |
Luiz Fernando Capitulino | 1ce7dd2 | 2006-03-24 17:12:31 -0300 | [diff] [blame] | 17 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | |
| 19 | #define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ |
| 20 | #define SERIAL_TTY_MINORS 255 /* loads of devices :) */ |
| 21 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 22 | /* The maximum number of ports one device can grab at once */ |
| 23 | #define MAX_NUM_PORTS 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| 25 | /* parity check flag */ |
| 26 | #define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) |
| 27 | |
| 28 | /** |
| 29 | * usb_serial_port: structure for the specific ports of a device. |
| 30 | * @serial: pointer back to the struct usb_serial owner of this port. |
| 31 | * @tty: pointer to the corresponding tty for this port. |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 32 | * @lock: spinlock to grab when updating portions of this structure. |
Luiz Fernando Capitulino | 1ce7dd2 | 2006-03-24 17:12:31 -0300 | [diff] [blame] | 33 | * @mutex: mutex used to synchronize serial_open() and serial_close() |
Luiz Fernando Capitulino | 8a4613f | 2005-11-28 19:16:07 -0200 | [diff] [blame] | 34 | * access for this port. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | * @number: the number of the port (the minor number). |
| 36 | * @interrupt_in_buffer: pointer to the interrupt in buffer for this port. |
| 37 | * @interrupt_in_urb: pointer to the interrupt in struct urb for this port. |
| 38 | * @interrupt_in_endpointAddress: endpoint address for the interrupt in pipe |
| 39 | * for this port. |
| 40 | * @interrupt_out_buffer: pointer to the interrupt out buffer for this port. |
| 41 | * @interrupt_out_size: the size of the interrupt_out_buffer, in bytes. |
| 42 | * @interrupt_out_urb: pointer to the interrupt out struct urb for this port. |
| 43 | * @interrupt_out_endpointAddress: endpoint address for the interrupt out pipe |
| 44 | * for this port. |
| 45 | * @bulk_in_buffer: pointer to the bulk in buffer for this port. |
| 46 | * @read_urb: pointer to the bulk in struct urb for this port. |
| 47 | * @bulk_in_endpointAddress: endpoint address for the bulk in pipe for this |
| 48 | * port. |
| 49 | * @bulk_out_buffer: pointer to the bulk out buffer for this port. |
| 50 | * @bulk_out_size: the size of the bulk_out_buffer, in bytes. |
| 51 | * @write_urb: pointer to the bulk out struct urb for this port. |
| 52 | * @bulk_out_endpointAddress: endpoint address for the bulk out pipe for this |
| 53 | * port. |
| 54 | * @write_wait: a wait_queue_head_t used by the port. |
| 55 | * @work: work queue entry for the line discipline waking up. |
| 56 | * @open_count: number of times this port has been opened. |
Joris van Rantwijk | 253ca92 | 2007-02-01 20:08:18 +0100 | [diff] [blame] | 57 | * @throttled: nonzero if the read urb is inactive to throttle the device |
| 58 | * @throttle_req: nonzero if the tty wants to throttle us |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | * |
| 60 | * This structure is used by the usb-serial core and drivers for the specific |
| 61 | * ports of a device. |
| 62 | */ |
| 63 | struct usb_serial_port { |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 64 | struct usb_serial *serial; |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 65 | struct tty_port port; |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 66 | spinlock_t lock; |
Luiz Fernando Capitulino | 1ce7dd2 | 2006-03-24 17:12:31 -0300 | [diff] [blame] | 67 | struct mutex mutex; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | unsigned char number; |
| 69 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 70 | unsigned char *interrupt_in_buffer; |
| 71 | struct urb *interrupt_in_urb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | __u8 interrupt_in_endpointAddress; |
| 73 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 74 | unsigned char *interrupt_out_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | int interrupt_out_size; |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 76 | struct urb *interrupt_out_urb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | __u8 interrupt_out_endpointAddress; |
| 78 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 79 | unsigned char *bulk_in_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | int bulk_in_size; |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 81 | struct urb *read_urb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | __u8 bulk_in_endpointAddress; |
| 83 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 84 | unsigned char *bulk_out_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | int bulk_out_size; |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 86 | struct urb *write_urb; |
Greg Kroah-Hartman | 507ca9b | 2005-04-23 12:49:16 -0700 | [diff] [blame] | 87 | int write_urb_busy; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | __u8 bulk_out_endpointAddress; |
| 89 | |
| 90 | wait_queue_head_t write_wait; |
| 91 | struct work_struct work; |
Joris van Rantwijk | 253ca92 | 2007-02-01 20:08:18 +0100 | [diff] [blame] | 92 | char throttled; |
| 93 | char throttle_req; |
Aristeu Rozanski | 9a6b1ef | 2007-11-12 15:15:02 -0500 | [diff] [blame] | 94 | char console; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | struct device dev; |
| 96 | }; |
| 97 | #define to_usb_serial_port(d) container_of(d, struct usb_serial_port, dev) |
| 98 | |
| 99 | /* get and set the port private data pointer helper functions */ |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 100 | static inline void *usb_get_serial_port_data(struct usb_serial_port *port) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | { |
| 102 | return dev_get_drvdata(&port->dev); |
| 103 | } |
| 104 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 105 | static inline void usb_set_serial_port_data(struct usb_serial_port *port, |
| 106 | void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | { |
| 108 | dev_set_drvdata(&port->dev, data); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * usb_serial - structure used by the usb-serial core for a device |
| 113 | * @dev: pointer to the struct usb_device for this device |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 114 | * @type: pointer to the struct usb_serial_driver for this device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | * @interface: pointer to the struct usb_interface for this device |
| 116 | * @minor: the starting minor number for this device |
| 117 | * @num_ports: the number of ports this device has |
| 118 | * @num_interrupt_in: number of interrupt in endpoints we have |
| 119 | * @num_interrupt_out: number of interrupt out endpoints we have |
| 120 | * @num_bulk_in: number of bulk in endpoints we have |
| 121 | * @num_bulk_out: number of bulk out endpoints we have |
| 122 | * @port: array of struct usb_serial_port structures for the different ports. |
| 123 | * @private: place to put any driver specific information that is needed. The |
| 124 | * usb-serial driver is required to manage this data, the usb-serial core |
| 125 | * will not touch this. Use usb_get_serial_data() and |
| 126 | * usb_set_serial_data() to access this. |
| 127 | */ |
| 128 | struct usb_serial { |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 129 | struct usb_device *dev; |
| 130 | struct usb_serial_driver *type; |
| 131 | struct usb_interface *interface; |
Oliver Neukum | a1cd7e9 | 2008-01-16 17:18:52 +0100 | [diff] [blame] | 132 | unsigned char disconnected; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | unsigned char minor; |
| 134 | unsigned char num_ports; |
| 135 | unsigned char num_port_pointers; |
| 136 | char num_interrupt_in; |
| 137 | char num_interrupt_out; |
| 138 | char num_bulk_in; |
| 139 | char num_bulk_out; |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 140 | struct usb_serial_port *port[MAX_NUM_PORTS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | struct kref kref; |
Oliver Neukum | a1cd7e9 | 2008-01-16 17:18:52 +0100 | [diff] [blame] | 142 | struct mutex disc_mutex; |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 143 | void *private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | }; |
| 145 | #define to_usb_serial(d) container_of(d, struct usb_serial, kref) |
| 146 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | /* get and set the serial private data pointer helper functions */ |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 148 | static inline void *usb_get_serial_data(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | { |
| 150 | return serial->private; |
| 151 | } |
| 152 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 153 | static inline void usb_set_serial_data(struct usb_serial *serial, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | { |
| 155 | serial->private = data; |
| 156 | } |
| 157 | |
| 158 | /** |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 159 | * usb_serial_driver - describes a usb serial driver |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 160 | * @description: pointer to a string that describes this driver. This string |
| 161 | * used in the syslog messages when a device is inserted or removed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | * @id_table: pointer to a list of usb_device_id structures that define all |
| 163 | * of the devices this structure can support. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | * @num_ports: the number of different ports this device will have. |
| 165 | * @calc_num_ports: pointer to a function to determine how many ports this |
| 166 | * device has dynamically. It will be called after the probe() |
| 167 | * callback is called, but before attach() |
| 168 | * @probe: pointer to the driver's probe function. |
| 169 | * This will be called when the device is inserted into the system, |
| 170 | * but before the device has been fully initialized by the usb_serial |
| 171 | * subsystem. Use this function to download any firmware to the device, |
| 172 | * or any other early initialization that might be needed. |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 173 | * Return 0 to continue on with the initialization sequence. Anything |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | * else will abort it. |
| 175 | * @attach: pointer to the driver's attach function. |
| 176 | * This will be called when the struct usb_serial structure is fully set |
| 177 | * set up. Do any local initialization of the device, or any private |
| 178 | * memory structure allocation at this point in time. |
| 179 | * @shutdown: pointer to the driver's shutdown function. This will be |
| 180 | * called when the device is removed from the system. |
Greg Kroah-Hartman | 93bacef | 2006-12-17 21:50:23 +0100 | [diff] [blame] | 181 | * @usb_driver: pointer to the struct usb_driver that controls this |
| 182 | * device. This is necessary to allow dynamic ids to be added to |
| 183 | * the driver from sysfs. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | * |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 185 | * This structure is defines a USB Serial driver. It provides all of |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | * the information that the USB serial core code needs. If the function |
| 187 | * pointers are defined, then the USB serial core code will call them when |
| 188 | * the corresponding tty port functions are called. If they are not |
| 189 | * called, the generic serial function will be used instead. |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 190 | * |
| 191 | * The driver.owner field should be set to the module owner of this driver. |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 192 | * The driver.name field should be set to the name of this driver (remember |
| 193 | * it will show up in sysfs, so it needs to be short and to the point. |
| 194 | * Useing the module name is a good idea.) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | */ |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 196 | struct usb_serial_driver { |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 197 | const char *description; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | const struct usb_device_id *id_table; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | char num_ports; |
| 200 | |
| 201 | struct list_head driver_list; |
| 202 | struct device_driver driver; |
Greg Kroah-Hartman | 93bacef | 2006-12-17 21:50:23 +0100 | [diff] [blame] | 203 | struct usb_driver *usb_driver; |
| 204 | struct usb_dynids dynids; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 206 | int (*probe)(struct usb_serial *serial, const struct usb_device_id *id); |
| 207 | int (*attach)(struct usb_serial *serial); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | int (*calc_num_ports) (struct usb_serial *serial); |
| 209 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 210 | void (*shutdown)(struct usb_serial *serial); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 212 | int (*port_probe)(struct usb_serial_port *port); |
| 213 | int (*port_remove)(struct usb_serial_port *port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 215 | int (*suspend)(struct usb_serial *serial, pm_message_t message); |
| 216 | int (*resume)(struct usb_serial *serial); |
Oliver Neukum | ec22559 | 2007-04-27 20:54:57 +0200 | [diff] [blame] | 217 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | /* serial function calls */ |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 219 | /* Called by console with tty = NULL and by tty */ |
| 220 | int (*open)(struct tty_struct *tty, |
| 221 | struct usb_serial_port *port, struct file *filp); |
| 222 | void (*close)(struct tty_struct *tty, |
| 223 | struct usb_serial_port *port, struct file *filp); |
| 224 | int (*write)(struct tty_struct *tty, struct usb_serial_port *port, |
| 225 | const unsigned char *buf, int count); |
| 226 | /* Called only by the tty layer */ |
| 227 | int (*write_room)(struct tty_struct *tty); |
| 228 | int (*ioctl)(struct tty_struct *tty, struct file *file, |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 229 | unsigned int cmd, unsigned long arg); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 230 | void (*set_termios)(struct tty_struct *tty, |
| 231 | struct usb_serial_port *port, struct ktermios *old); |
| 232 | void (*break_ctl)(struct tty_struct *tty, int break_state); |
| 233 | int (*chars_in_buffer)(struct tty_struct *tty); |
| 234 | void (*throttle)(struct tty_struct *tty); |
| 235 | void (*unthrottle)(struct tty_struct *tty); |
| 236 | int (*tiocmget)(struct tty_struct *tty, struct file *file); |
| 237 | int (*tiocmset)(struct tty_struct *tty, struct file *file, |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 238 | unsigned int set, unsigned int clear); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 239 | /* USB events */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 240 | void (*read_int_callback)(struct urb *urb); |
| 241 | void (*write_int_callback)(struct urb *urb); |
| 242 | void (*read_bulk_callback)(struct urb *urb); |
| 243 | void (*write_bulk_callback)(struct urb *urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | }; |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 245 | #define to_usb_serial_driver(d) \ |
| 246 | container_of(d, struct usb_serial_driver, driver) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 248 | extern int usb_serial_register(struct usb_serial_driver *driver); |
| 249 | extern void usb_serial_deregister(struct usb_serial_driver *driver); |
Pete Zaitcev | cf2c748 | 2006-05-22 21:58:49 -0700 | [diff] [blame] | 250 | extern void usb_serial_port_softint(struct usb_serial_port *port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 252 | extern int usb_serial_probe(struct usb_interface *iface, |
| 253 | const struct usb_device_id *id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | extern void usb_serial_disconnect(struct usb_interface *iface); |
| 255 | |
Oliver Neukum | ec22559 | 2007-04-27 20:54:57 +0200 | [diff] [blame] | 256 | extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); |
| 257 | extern int usb_serial_resume(struct usb_interface *intf); |
| 258 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 259 | extern int ezusb_writememory(struct usb_serial *serial, int address, |
| 260 | unsigned char *data, int length, __u8 bRequest); |
| 261 | extern int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | |
| 263 | /* USB Serial console functions */ |
| 264 | #ifdef CONFIG_USB_SERIAL_CONSOLE |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 265 | extern void usb_serial_console_init(int debug, int minor); |
| 266 | extern void usb_serial_console_exit(void); |
Guennadi Liakhovetski | 73e487f | 2006-04-25 07:46:17 +0200 | [diff] [blame] | 267 | extern void usb_serial_console_disconnect(struct usb_serial *serial); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | #else |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 269 | static inline void usb_serial_console_init(int debug, int minor) { } |
| 270 | static inline void usb_serial_console_exit(void) { } |
Guennadi Liakhovetski | 73e487f | 2006-04-25 07:46:17 +0200 | [diff] [blame] | 271 | static inline void usb_serial_console_disconnect(struct usb_serial *serial) {} |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | #endif |
| 273 | |
| 274 | /* Functions needed by other parts of the usbserial core */ |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 275 | extern struct usb_serial *usb_serial_get_by_index(unsigned int minor); |
Guennadi Liakhovetski | 73e487f | 2006-04-25 07:46:17 +0200 | [diff] [blame] | 276 | extern void usb_serial_put(struct usb_serial *serial); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 277 | extern int usb_serial_generic_open(struct tty_struct *tty, |
| 278 | struct usb_serial_port *port, struct file *filp); |
| 279 | extern int usb_serial_generic_write(struct tty_struct *tty, |
| 280 | struct usb_serial_port *port, const unsigned char *buf, int count); |
| 281 | extern void usb_serial_generic_close(struct tty_struct *tty, |
| 282 | struct usb_serial_port *port, struct file *filp); |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 283 | extern int usb_serial_generic_resume(struct usb_serial *serial); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 284 | extern int usb_serial_generic_write_room(struct tty_struct *tty); |
| 285 | extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 286 | extern void usb_serial_generic_read_bulk_callback(struct urb *urb); |
| 287 | extern void usb_serial_generic_write_bulk_callback(struct urb *urb); |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 288 | extern void usb_serial_generic_throttle(struct tty_struct *tty); |
| 289 | extern void usb_serial_generic_unthrottle(struct tty_struct *tty); |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 290 | extern void usb_serial_generic_shutdown(struct usb_serial *serial); |
| 291 | extern int usb_serial_generic_register(int debug); |
| 292 | extern void usb_serial_generic_deregister(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 294 | extern int usb_serial_bus_register(struct usb_serial_driver *device); |
| 295 | extern void usb_serial_bus_deregister(struct usb_serial_driver *device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 297 | extern struct usb_serial_driver usb_serial_generic_device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | extern struct bus_type usb_serial_bus_type; |
| 299 | extern struct tty_driver *usb_serial_tty_driver; |
| 300 | |
| 301 | static inline void usb_serial_debug_data(int debug, |
| 302 | struct device *dev, |
| 303 | const char *function, int size, |
| 304 | const unsigned char *data) |
| 305 | { |
| 306 | int i; |
| 307 | |
| 308 | if (debug) { |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 309 | dev_printk(KERN_DEBUG, dev, "%s - length = %d, data = ", |
| 310 | function, size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | for (i = 0; i < size; ++i) |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 312 | printk("%.2x ", data[i]); |
| 313 | printk("\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | } |
| 315 | } |
| 316 | |
| 317 | /* Use our own dbg macro */ |
| 318 | #undef dbg |
Greg Kroah-Hartman | 41dceed | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 319 | #define dbg(format, arg...) \ |
| 320 | do { \ |
| 321 | if (debug) \ |
| 322 | printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , \ |
| 323 | ## arg); \ |
| 324 | } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | |
| 326 | |
| 327 | |
Robert P. J. Day | dda43a0 | 2008-03-07 13:45:32 -0500 | [diff] [blame] | 328 | #endif /* __LINUX_USB_SERIAL_H */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | |