minix3/include/ddekit/usb.h

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2020-02-21 00:59:27 +05:30
#ifndef _DDEKIT_USB_H
#define _DDEKIT_USB_H
#include <ddekit/ddekit.h>
#include <ddekit/types.h>
/** isochronous transfer */
#define DDEKIT_USB_TRANSFER_ISO 0
/** interrupt transfer */
#define DDEKIT_USB_TRANSFER_INT 1
/** control transfer */
#define DDEKIT_USB_TRANSFER_CTL 2
/** bulk transfer */
#define DDEKIT_USB_TRANSFER_BLK 3
#define DDEKIT_USB_IN 1
#define DDEKIT_USB_OUT 0
struct ddekit_usb_dev;
struct ddekit_usb_urb;
struct ddekit_usb_device_id {
ddekit_uint16_t idVendor;
ddekit_uint16_t idProduct;
ddekit_uint32_t bcdDevice;
ddekit_uint8_t bDeviceClass;
ddekit_uint8_t bDeviceSubClass;
ddekit_uint8_t bDeviceProtocol;
ddekit_uint8_t bInterfaceClass;
ddekit_uint8_t bInterfaceSubClass;
ddekit_uint8_t bInterfaceProtocol;
};
struct ddekit_usb_iso_packet_desc {
ddekit_int32_t offset;
ddekit_int32_t length; /* expected length */
ddekit_int32_t actual_length;
ddekit_int32_t status;
};
typedef void (*ddekit_usb_completion_cb)(void* priv);
typedef void (*ddekit_usb_connect_cb)(struct ddekit_usb_dev *dev,
unsigned int interfaces);
typedef void (*ddekit_usb_disconnect_cb)(struct ddekit_usb_dev *dev);
typedef void *(*ddekit_usb_malloc_fn)(unsigned size);
typedef void (*ddekit_usb_free_fn)(void *ptr);
struct ddekit_usb_driver {
ddekit_usb_completion_cb completion;
ddekit_usb_connect_cb connect;
ddekit_usb_disconnect_cb disconnect;
};
struct ddekit_usb_urb {
struct ddekit_usb_dev *dev;
ddekit_int32_t type;
ddekit_int32_t endpoint;
ddekit_int32_t direction;
ddekit_int32_t status;
ddekit_int32_t interval;
ddekit_uint32_t transfer_flags;
ddekit_uint32_t size;
ddekit_uint32_t actual_length;
ddekit_int32_t number_of_packets;
ddekit_int32_t error_count;
ddekit_int32_t start_frame;
char *setup_packet;
char *data;
struct ddekit_usb_iso_packet_desc *iso_desc;
void *priv;
void *ddekit_priv;
};
/* USB message types */
typedef enum {
DDEKIT_HUB_PORT_LS_CONN, /* Low speed device connected */
DDEKIT_HUB_PORT_FS_CONN, /* Full speed device connected */
DDEKIT_HUB_PORT_HS_CONN, /* High speed device connected */
DDEKIT_HUB_PORT_DISCONN /* Device disconnected */
}
ddekit_msg_type_t;
int ddekit_usb_dev_set_data(struct ddekit_usb_dev *dev, void *data);
void *ddekit_usb_dev_get_data(struct ddekit_usb_dev *dev);
void ddekit_usb_get_device_id(struct ddekit_usb_dev *dev, struct
ddekit_usb_device_id *id);
int ddekit_usb_submit_urb(struct ddekit_usb_urb *d_urb);
int ddekit_usb_cancle_urb(struct ddekit_usb_urb *d_urb);
long ddekit_usb_info(struct ddekit_usb_dev *, long, long);
/*
* This one is only implemented for the client side. For the server side is
* has to be implemented in the DDELinux/FBSD part.
*/
int ddekit_usb_init(struct ddekit_usb_driver *drv, ddekit_usb_malloc_fn
*_m, ddekit_usb_free_fn *_f);
#endif