diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/usb/serial.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/usb/serial.h | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/ANDROID_3.4.5/include/linux/usb/serial.h b/ANDROID_3.4.5/include/linux/usb/serial.h deleted file mode 100644 index 47428388..00000000 --- a/ANDROID_3.4.5/include/linux/usb/serial.h +++ /dev/null @@ -1,417 +0,0 @@ -/* - * USB Serial Converter stuff - * - * Copyright (C) 1999 - 2005 - * Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - */ - -#ifndef __LINUX_USB_SERIAL_H -#define __LINUX_USB_SERIAL_H - -#include <linux/kref.h> -#include <linux/mutex.h> -#include <linux/sysrq.h> -#include <linux/kfifo.h> - -#define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ -#define SERIAL_TTY_MINORS 254 /* loads of devices :) */ -#define SERIAL_TTY_NO_MINOR 255 /* No minor was assigned */ - -/* The maximum number of ports one device can grab at once */ -#define MAX_NUM_PORTS 8 - -/* parity check flag */ -#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) - -/* USB serial flags */ -#define USB_SERIAL_WRITE_BUSY 0 - -/** - * usb_serial_port: structure for the specific ports of a device. - * @serial: pointer back to the struct usb_serial owner of this port. - * @port: pointer to the corresponding tty_port for this port. - * @lock: spinlock to grab when updating portions of this structure. - * @number: the number of the port (the minor number). - * @interrupt_in_buffer: pointer to the interrupt in buffer for this port. - * @interrupt_in_urb: pointer to the interrupt in struct urb for this port. - * @interrupt_in_endpointAddress: endpoint address for the interrupt in pipe - * for this port. - * @interrupt_out_buffer: pointer to the interrupt out buffer for this port. - * @interrupt_out_size: the size of the interrupt_out_buffer, in bytes. - * @interrupt_out_urb: pointer to the interrupt out struct urb for this port. - * @interrupt_out_endpointAddress: endpoint address for the interrupt out pipe - * for this port. - * @bulk_in_buffer: pointer to the bulk in buffer for this port. - * @bulk_in_size: the size of the bulk_in_buffer, in bytes. - * @read_urb: pointer to the bulk in struct urb for this port. - * @bulk_in_endpointAddress: endpoint address for the bulk in pipe for this - * port. - * @bulk_in_buffers: pointers to the bulk in buffers for this port - * @read_urbs: pointers to the bulk in urbs for this port - * @read_urbs_free: status bitmap the for bulk in urbs - * @bulk_out_buffer: pointer to the bulk out buffer for this port. - * @bulk_out_size: the size of the bulk_out_buffer, in bytes. - * @write_urb: pointer to the bulk out struct urb for this port. - * @write_fifo: kfifo used to buffer outgoing data - * @bulk_out_buffers: pointers to the bulk out buffers for this port - * @write_urbs: pointers to the bulk out urbs for this port - * @write_urbs_free: status bitmap the for bulk out urbs - * @tx_bytes: number of bytes currently in host stack queues - * @bulk_out_endpointAddress: endpoint address for the bulk out pipe for this - * port. - * @flags: usb serial port flags - * @write_wait: a wait_queue_head_t used by the port. - * @work: work queue entry for the line discipline waking up. - * @throttled: nonzero if the read urb is inactive to throttle the device - * @throttle_req: nonzero if the tty wants to throttle us - * @dev: pointer to the serial device - * - * This structure is used by the usb-serial core and drivers for the specific - * ports of a device. - */ -struct usb_serial_port { - struct usb_serial *serial; - struct tty_port port; - spinlock_t lock; - unsigned char number; - - unsigned char *interrupt_in_buffer; - struct urb *interrupt_in_urb; - __u8 interrupt_in_endpointAddress; - - unsigned char *interrupt_out_buffer; - int interrupt_out_size; - struct urb *interrupt_out_urb; - __u8 interrupt_out_endpointAddress; - - unsigned char *bulk_in_buffer; - int bulk_in_size; - struct urb *read_urb; - __u8 bulk_in_endpointAddress; - - unsigned char *bulk_in_buffers[2]; - struct urb *read_urbs[2]; - unsigned long read_urbs_free; - - unsigned char *bulk_out_buffer; - int bulk_out_size; - struct urb *write_urb; - struct kfifo write_fifo; - - unsigned char *bulk_out_buffers[2]; - struct urb *write_urbs[2]; - unsigned long write_urbs_free; - __u8 bulk_out_endpointAddress; - - int tx_bytes; - - unsigned long flags; - wait_queue_head_t write_wait; - struct work_struct work; - char throttled; - char throttle_req; - unsigned long sysrq; /* sysrq timeout */ - struct device dev; -}; -#define to_usb_serial_port(d) container_of(d, struct usb_serial_port, dev) - -/* get and set the port private data pointer helper functions */ -static inline void *usb_get_serial_port_data(struct usb_serial_port *port) -{ - return dev_get_drvdata(&port->dev); -} - -static inline void usb_set_serial_port_data(struct usb_serial_port *port, - void *data) -{ - dev_set_drvdata(&port->dev, data); -} - -/** - * usb_serial - structure used by the usb-serial core for a device - * @dev: pointer to the struct usb_device for this device - * @type: pointer to the struct usb_serial_driver for this device - * @interface: pointer to the struct usb_interface for this device - * @minor: the starting minor number for this device - * @num_ports: the number of ports this device has - * @num_interrupt_in: number of interrupt in endpoints we have - * @num_interrupt_out: number of interrupt out endpoints we have - * @num_bulk_in: number of bulk in endpoints we have - * @num_bulk_out: number of bulk out endpoints we have - * @port: array of struct usb_serial_port structures for the different ports. - * @private: place to put any driver specific information that is needed. The - * usb-serial driver is required to manage this data, the usb-serial core - * will not touch this. Use usb_get_serial_data() and - * usb_set_serial_data() to access this. - */ -struct usb_serial { - struct usb_device *dev; - struct usb_serial_driver *type; - struct usb_interface *interface; - unsigned char disconnected:1; - unsigned char suspending:1; - unsigned char attached:1; - unsigned char minor; - unsigned char num_ports; - unsigned char num_port_pointers; - char num_interrupt_in; - char num_interrupt_out; - char num_bulk_in; - char num_bulk_out; - struct usb_serial_port *port[MAX_NUM_PORTS]; - struct kref kref; - struct mutex disc_mutex; - void *private; -}; -#define to_usb_serial(d) container_of(d, struct usb_serial, kref) - -/* get and set the serial private data pointer helper functions */ -static inline void *usb_get_serial_data(struct usb_serial *serial) -{ - return serial->private; -} - -static inline void usb_set_serial_data(struct usb_serial *serial, void *data) -{ - serial->private = data; -} - -/** - * usb_serial_driver - describes a usb serial driver - * @description: pointer to a string that describes this driver. This string - * used in the syslog messages when a device is inserted or removed. - * @id_table: pointer to a list of usb_device_id structures that define all - * of the devices this structure can support. - * @num_ports: the number of different ports this device will have. - * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer - * (0 = end-point size) - * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size) - * @calc_num_ports: pointer to a function to determine how many ports this - * device has dynamically. It will be called after the probe() - * callback is called, but before attach() - * @probe: pointer to the driver's probe function. - * This will be called when the device is inserted into the system, - * but before the device has been fully initialized by the usb_serial - * subsystem. Use this function to download any firmware to the device, - * or any other early initialization that might be needed. - * Return 0 to continue on with the initialization sequence. Anything - * else will abort it. - * @attach: pointer to the driver's attach function. - * This will be called when the struct usb_serial structure is fully set - * set up. Do any local initialization of the device, or any private - * memory structure allocation at this point in time. - * @disconnect: pointer to the driver's disconnect function. This will be - * called when the device is unplugged or unbound from the driver. - * @release: pointer to the driver's release function. This will be called - * when the usb_serial data structure is about to be destroyed. - * @usb_driver: pointer to the struct usb_driver that controls this - * device. This is necessary to allow dynamic ids to be added to - * the driver from sysfs. - * - * This structure is defines a USB Serial driver. It provides all of - * the information that the USB serial core code needs. If the function - * pointers are defined, then the USB serial core code will call them when - * the corresponding tty port functions are called. If they are not - * called, the generic serial function will be used instead. - * - * The driver.owner field should be set to the module owner of this driver. - * The driver.name field should be set to the name of this driver (remember - * it will show up in sysfs, so it needs to be short and to the point. - * Using the module name is a good idea.) - */ -struct usb_serial_driver { - const char *description; - const struct usb_device_id *id_table; - char num_ports; - - struct list_head driver_list; - struct device_driver driver; - struct usb_driver *usb_driver; - struct usb_dynids dynids; - - size_t bulk_in_size; - size_t bulk_out_size; - - int (*probe)(struct usb_serial *serial, const struct usb_device_id *id); - int (*attach)(struct usb_serial *serial); - int (*calc_num_ports) (struct usb_serial *serial); - - void (*disconnect)(struct usb_serial *serial); - void (*release)(struct usb_serial *serial); - - int (*port_probe)(struct usb_serial_port *port); - int (*port_remove)(struct usb_serial_port *port); - - int (*suspend)(struct usb_serial *serial, pm_message_t message); - int (*resume)(struct usb_serial *serial); - - /* serial function calls */ - /* Called by console and by the tty layer */ - int (*open)(struct tty_struct *tty, struct usb_serial_port *port); - void (*close)(struct usb_serial_port *port); - int (*write)(struct tty_struct *tty, struct usb_serial_port *port, - const unsigned char *buf, int count); - /* Called only by the tty layer */ - int (*write_room)(struct tty_struct *tty); - int (*ioctl)(struct tty_struct *tty, - unsigned int cmd, unsigned long arg); - void (*set_termios)(struct tty_struct *tty, - struct usb_serial_port *port, struct ktermios *old); - void (*break_ctl)(struct tty_struct *tty, int break_state); - int (*chars_in_buffer)(struct tty_struct *tty); - void (*throttle)(struct tty_struct *tty); - void (*unthrottle)(struct tty_struct *tty); - int (*tiocmget)(struct tty_struct *tty); - int (*tiocmset)(struct tty_struct *tty, - unsigned int set, unsigned int clear); - int (*get_icount)(struct tty_struct *tty, - struct serial_icounter_struct *icount); - /* Called by the tty layer for port level work. There may or may not - be an attached tty at this point */ - void (*dtr_rts)(struct usb_serial_port *port, int on); - int (*carrier_raised)(struct usb_serial_port *port); - /* Called by the usb serial hooks to allow the user to rework the - termios state */ - void (*init_termios)(struct tty_struct *tty); - /* USB events */ - void (*read_int_callback)(struct urb *urb); - void (*write_int_callback)(struct urb *urb); - void (*read_bulk_callback)(struct urb *urb); - void (*write_bulk_callback)(struct urb *urb); - /* Called by the generic read bulk callback */ - void (*process_read_urb)(struct urb *urb); - /* Called by the generic write implementation */ - int (*prepare_write_buffer)(struct usb_serial_port *port, - void *dest, size_t size); -}; -#define to_usb_serial_driver(d) \ - container_of(d, struct usb_serial_driver, driver) - -extern int usb_serial_register_drivers(struct usb_driver *udriver, - struct usb_serial_driver * const serial_drivers[]); -extern void usb_serial_deregister_drivers(struct usb_driver *udriver, - struct usb_serial_driver * const serial_drivers[]); -extern void usb_serial_port_softint(struct usb_serial_port *port); - -extern int usb_serial_probe(struct usb_interface *iface, - const struct usb_device_id *id); -extern void usb_serial_disconnect(struct usb_interface *iface); - -extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); -extern int usb_serial_resume(struct usb_interface *intf); - -extern int ezusb_writememory(struct usb_serial *serial, int address, - unsigned char *data, int length, __u8 bRequest); -extern int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit); - -/* USB Serial console functions */ -#ifdef CONFIG_USB_SERIAL_CONSOLE -extern void usb_serial_console_init(int debug, int minor); -extern void usb_serial_console_exit(void); -extern void usb_serial_console_disconnect(struct usb_serial *serial); -#else -static inline void usb_serial_console_init(int debug, int minor) { } -static inline void usb_serial_console_exit(void) { } -static inline void usb_serial_console_disconnect(struct usb_serial *serial) {} -#endif - -/* Functions needed by other parts of the usbserial core */ -extern struct usb_serial *usb_serial_get_by_index(unsigned int minor); -extern void usb_serial_put(struct usb_serial *serial); -extern int usb_serial_generic_open(struct tty_struct *tty, - struct usb_serial_port *port); -extern int usb_serial_generic_write(struct tty_struct *tty, - struct usb_serial_port *port, const unsigned char *buf, int count); -extern void usb_serial_generic_close(struct usb_serial_port *port); -extern int usb_serial_generic_resume(struct usb_serial *serial); -extern int usb_serial_generic_write_room(struct tty_struct *tty); -extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); -extern void usb_serial_generic_read_bulk_callback(struct urb *urb); -extern void usb_serial_generic_write_bulk_callback(struct urb *urb); -extern void usb_serial_generic_throttle(struct tty_struct *tty); -extern void usb_serial_generic_unthrottle(struct tty_struct *tty); -extern void usb_serial_generic_disconnect(struct usb_serial *serial); -extern void usb_serial_generic_release(struct usb_serial *serial); -extern int usb_serial_generic_register(int debug); -extern void usb_serial_generic_deregister(void); -extern int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port, - gfp_t mem_flags); -extern void usb_serial_generic_process_read_urb(struct urb *urb); -extern int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size); -extern int usb_serial_handle_sysrq_char(struct usb_serial_port *port, - unsigned int ch); -extern int usb_serial_handle_break(struct usb_serial_port *port); -extern void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, - struct tty_struct *tty, - unsigned int status); - - -extern int usb_serial_bus_register(struct usb_serial_driver *device); -extern void usb_serial_bus_deregister(struct usb_serial_driver *device); - -extern struct usb_serial_driver usb_serial_generic_device; -extern struct bus_type usb_serial_bus_type; -extern struct tty_driver *usb_serial_tty_driver; - -static inline void usb_serial_debug_data(int debug, - struct device *dev, - const char *function, int size, - const unsigned char *data) -{ - int i; - - if (debug) { - dev_printk(KERN_DEBUG, dev, "%s - length = %d, data = ", - function, size); - for (i = 0; i < size; ++i) - printk("%.2x ", data[i]); - printk("\n"); - } -} - -/* Use our own dbg macro */ -#undef dbg -#define dbg(format, arg...) \ -do { \ - if (debug) \ - printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg); \ -} while (0) - -/* - * Macro for reporting errors in write path to avoid inifinite loop - * when port is used as a console. - */ -#define dev_err_console(usport, fmt, ...) \ -do { \ - static bool __print_once; \ - struct usb_serial_port *__port = (usport); \ - \ - if (!__port->port.console || !__print_once) { \ - __print_once = true; \ - dev_err(&__port->dev, fmt, ##__VA_ARGS__); \ - } \ -} while (0) - -/* - * module_usb_serial_driver() - Helper macro for registering a USB Serial driver - * @__usb_driver: usb_driver struct to register - * @__serial_drivers: list of usb_serial drivers to register - * - * Helper macro for USB serial drivers which do not do anything special - * in module init/exit. This eliminates a lot of boilerplate. Each - * module may only use this macro once, and calling it replaces - * module_init() and module_exit() - * - */ -#define module_usb_serial_driver(__usb_driver, __serial_drivers) \ - module_driver(__usb_driver, usb_serial_register_drivers, \ - usb_serial_deregister_drivers, __serial_drivers) - -#endif /* __LINUX_USB_SERIAL_H */ - |