154 lines
4.8 KiB
C
154 lines
4.8 KiB
C
/*
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* File Name : multi_config.h
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*
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* Virtual multi configuration utilities for composite USB gadgets.
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* This utilitie can support variable interface for variable Host PC.
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*
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* Copyright (C) 2011 Samsung Electronics
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* Author: SoonYong, Cho <soonyong.cho@samsung.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __MULTI_CONFIG_H
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#define __MULTI_CONFIG_H
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <linux/usb/composite.h>
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/*
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* Debugging macro and defines
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*/
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/*#define USB_DEBUG
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*#define USB_MORE_DEBUG
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*/
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#define USB_DEBUG_ESS
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#ifdef USB_DEBUG
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# ifdef USB_MORE_DEBUG
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# define USB_DBG(fmt, args...) \
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printk(KERN_INFO "usb: %s "fmt, __func__, ##args)
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# else
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# define USB_DBG(fmt, args...) \
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printk(KERN_DEBUG "usb: %s "fmt, __func__, ##args)
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# endif
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#else /* DO NOT PRINT LOG */
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# define USB_DBG(fmt, args...) do { } while (0)
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#endif /* USB_DEBUG */
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#ifdef USB_DEBUG_ESS
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# ifdef USB_MORE_DEBUG
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# define USB_DBG_ESS(fmt, args...) \
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printk(KERN_INFO "usb: %s "fmt, __func__, ##args)
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# else
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# define USB_DBG_ESS(fmt, args...) \
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printk(KERN_DEBUG "usb: %s "fmt, __func__, ##args)
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# endif
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#else /* DO NOT PRINT LOG */
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# define USB_DBG_ESS(fmt, args...) do { } while (0)
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#endif /* USB_DEBUG_ESS */
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#define MAIN_FUNCTION "mtp"
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#define MULTI_FUNCTION_1 "mtp"
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#define MULTI_FUNCTION_2 "acm0"
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#define MULTI_EXCEPTION_FUNCTION "adb"
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#define MULTI_EXCEPTION_FUNCTION_F_FS "Function FS Gadget"
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#define MAC_REQUEST 0
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#define OTHER_REQUEST 1
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#define MAX_MULTI_CONFIG_NUM 2
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/* Description : Set configuration number
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* Parameter : unsigned num (host request)
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* Return value : always return 0 (It's virtual multiconfiguration)
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*/
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unsigned set_config_number(unsigned num);
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/* Description : Get configuration number
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* Return value : virtual multiconfiguration number (zero base)
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*/
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int get_config_number(void);
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/* Description : Check configuration number
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* Parameter : unsigned num (host request)
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* Return value : 1 (true : virtual multi configuraiton)
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0 (false : normal configuration)
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*/
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int check_config(unsigned num);
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/* Description : Search number of configuration including virtual configuration
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* Parameter : usb_configuration *c (referenced configuration)
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unsigned count (real number of configuration)
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* Return value : virtual or real number of configuration
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*/
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unsigned count_multi_config(struct usb_configuration *c, unsigned count);
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/* Description : Is multi configuration available ?
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* Return value : 1 (true), 0 (false)
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*/
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int is_multi_configuration(void);
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/* Description : Check function to skip for multi configuration
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* Parameter : char* name (function name)
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* Return value : 0 (not available), 1 (available)
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*/
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int is_available_function(const char *name);
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/* Description : Change configuration using virtual multi configuration.
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* Parameter : struct usb_funciton f (to be changed function interface)
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void *next (next means usb req->buf)
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int len (length for to fill buffer)
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struct usb_configuration *config
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(To reference interface array of current config)
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enum usb_device_speed speed (usb speed)
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* Return value : "ret < 0" means fillbuffer function is failed.
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*/
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int change_conf(struct usb_function *f,
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void *next, int len,
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struct usb_configuration *config,
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enum usb_device_speed speed);
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/* Description : Set interface count
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* Parameter : struct usb_configuration *config
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(To reference interface array of current config)
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struct usb_config_descriptor *c
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(number of interfaces)
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* Return value : void
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*/
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void set_interface_count(struct usb_configuration *config,
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struct usb_config_descriptor *c);
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/* Description : Set config mode
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* This mode will be used for deciding other interface.
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* Parameter : u16 w_length
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* - 4 means MAC request.
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* - Windows and Linux PC always request 9 or maxpconfig size.
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*/
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void set_config_mode(u16 w_length);
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/* Description : Set string mode
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* This mode will be used for deciding other interface.
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* Parameter : u16 w_length
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* - 2 means MAC request.
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* - Windows and Linux PC always request 255 size.
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*/
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void set_string_mode(u16 w_length);
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/* Description : Get Host OS type
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* Return value : type - u16
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* - 0 : MAC PC
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* - 1 : Windows and Linux PC
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*/
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u16 get_host_os_type(void);
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#endif /* __MULTI_CONFIG_H */
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