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/*
* libdevice-node
*
* Copyright (c) 2016 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __HW_USB_GADGET_H__
#define __HW_USB_GADGET_H__
#include <stdint.h>
#include <hw/common.h>
/* The id of this device */
#define USB_GADGET_DEVICE_ID "usb_gadget"
/*The version of this device */
#define USB_GADGET_DEVICE_VERSION MAKE_VERSION(0,1)
/*The default USB configuration */
#define DEFAULT_VID 0x04e8
#define DEFAULT_PID 0x6860
#define DEFAULT_BCD_DEVICE 0x0100
#define DEFAULT_LANG 0x409 /* US_en */
#define DEFAULT_MANUFACTURER "Samsung"
#define DEFAULT_PRODUCT "TIZEN"
#define DEFAULT_SERIAL "01234TEST"
#define DEFAULT_BMATTRIBUTES ((1 << 7) | (1 << 6))
#define DEFAULT_MAX_POWER 500
typedef enum {
USB_FUNCTION_IDX_MTP = 0,
USB_FUNCTION_IDX_ACM = 1,
USB_FUNCTION_IDX_SDB = 2,
USB_FUNCTION_IDX_RNDIS = 3,
USB_FUNCTION_IDX_DIAG = 4,
USB_FUNCTION_IDX_CONN_GADGET = 5,
USB_FUNCTION_IDX_DM = 6,
USB_FUNCTION_IDX_RMNET = 7,
USB_FUNCTION_IDX_MAX = USB_FUNCTION_IDX_RMNET + 1
} usb_function_idx_e;
typedef enum {
USB_FUNCTION_NONE = 0,
USB_FUNCTION_MTP = 1 << USB_FUNCTION_IDX_MTP,
USB_FUNCTION_ACM = 1 << USB_FUNCTION_IDX_ACM,
USB_FUNCTION_SDB = 1 << USB_FUNCTION_IDX_SDB,
USB_FUNCTION_RNDIS = 1 << USB_FUNCTION_IDX_RNDIS,
USB_FUNCTION_DIAG = 1 << USB_FUNCTION_IDX_DIAG,
USB_FUNCTION_CONN_GADGET = 1 << USB_FUNCTION_IDX_CONN_GADGET,
USB_FUNCTION_DM = 1 << USB_FUNCTION_IDX_DM,
USB_FUNCTION_RMNET = 1 << USB_FUNCTION_IDX_RMNET
} usb_function_e;
/*
* legacy enable(usb plug) : enable gadget -> handler(1) -> service start
* legacy disable(usb unplug) : service stop -> handler(0) -> disable gadget
*
* configfs init(booting) : service.socket start
* configfs enable(usb plug)* : enable gadget -> handler(1)
* configfs disable(usb unplug) : handler(0) -> disable gadget -> service.service stop
* configfs deinit : service.socket stop
*
* Since functionfs of configfs works by socket activation,
* it will be started automatically when data is enqueued to the usb socket.
* So when enabling configfs gadget, it doesn't start the service for functionfs.
*/
struct usb_function {
int id;
const char *name;
const char *instance;
int is_functionfs;
const char *service;
void (*handler)(int enable);
};
struct usb_configuration_attributes {
uint8_t bmAttributs;
int MaxPower;
};
struct usb_configuration_strings {
uint16_t lang_code;
char *config_str;
};
struct usb_configuration {
struct usb_configuration_attributes attrs;
struct usb_configuration_strings *strs;
struct usb_function **funcs;
};
struct usb_gadget_attrs {
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
};
struct usb_gadget_strings {
uint16_t lang_code;
char *manufacturer;
char *product;
char *serial;
};
struct usb_gadget {
struct usb_gadget_attrs attrs;
struct usb_gadget_strings strs;
struct usb_function **funcs;
struct usb_configuration **configs;
};
struct usb_gadget_id {
unsigned int function_mask;
};
struct usb_gadget_translator {
struct hw_common common;
int (*id_to_gadget)(struct usb_gadget_id *gadget_id, struct usb_gadget **gadget);
void (*cleanup_gadget)(struct usb_gadget *gadget);
};
int simple_translator_open(struct hw_info *info, const char *id, struct hw_common **common);
int simple_translator_close(struct hw_common *common);
struct usb_function *find_usb_function_by_name(const char *name);
struct usb_function *find_usb_function_by_name_instance(const char *name, const char *instance);
#endif
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