include/ddekit/usb.h

   1 #ifndef _DDEKIT_USB_H
   2 #define _DDEKIT_USB_H
   3
   4 #include <ddekit/ddekit.h>
   5 #include <ddekit/types.h>
   6
   7 /** isochronous transfer */
   8 #define  DDEKIT_USB_TRANSFER_ISO 0
   9 /** interrupt transfer */
  10 #define  DDEKIT_USB_TRANSFER_INT 1
  11  /** control transfer */
  12 #define  DDEKIT_USB_TRANSFER_CTL 2
  13 /** bulk transfer */
  14 #define  DDEKIT_USB_TRANSFER_BLK 3
  15
  16 #define DDEKIT_USB_IN  1
  17 #define DDEKIT_USB_OUT 0
  18
  19 struct ddekit_usb_dev;
  20 struct ddekit_usb_urb;
  21
  22 struct ddekit_usb_device_id {
  23         ddekit_uint16_t idVendor;
  24         ddekit_uint16_t idProduct;
  25         ddekit_uint32_t bcdDevice;
  26
  27         ddekit_uint8_t  bDeviceClass;
  28         ddekit_uint8_t  bDeviceSubClass;
  29         ddekit_uint8_t  bDeviceProtocol;
  30
  31         ddekit_uint8_t  bInterfaceClass;
  32         ddekit_uint8_t  bInterfaceSubClass;
  33         ddekit_uint8_t  bInterfaceProtocol;
  34
  35 };
  36
  37 struct ddekit_usb_iso_packet_desc {
  38         ddekit_int32_t offset;
  39         ddekit_int32_t length;          /* expected length */
  40         ddekit_int32_t actual_length;
  41         ddekit_int32_t status;
  42 };
  43
  44 typedef void (*ddekit_usb_completion_cb)(void* priv);
  45
  46 typedef void (*ddekit_usb_connect_cb)(struct ddekit_usb_dev *dev,
  47                                       unsigned int interfaces);
  48
  49 typedef void (*ddekit_usb_disconnect_cb)(struct ddekit_usb_dev *dev);
  50
  51 typedef void *(*ddekit_usb_malloc_fn)(unsigned size);
  52 typedef void (*ddekit_usb_free_fn)(void *ptr);
  53
  54 struct ddekit_usb_driver {
  55         ddekit_usb_completion_cb completion;
  56         ddekit_usb_connect_cb    connect;
  57         ddekit_usb_disconnect_cb    disconnect;
  58 };
  59
  60
  61 struct ddekit_usb_urb {
  62         struct ddekit_usb_dev *dev;
  63         ddekit_int32_t type;
  64         ddekit_int32_t endpoint;
  65         ddekit_int32_t direction;
  66         ddekit_int32_t status;
  67         ddekit_int32_t interval;
  68         ddekit_uint32_t transfer_flags;
  69         ddekit_uint32_t size;
  70         ddekit_uint32_t actual_length;
  71         ddekit_int32_t number_of_packets;
  72         ddekit_int32_t error_count;
  73         ddekit_int32_t start_frame;
  74         char *setup_packet;
  75         char *data;
  76         struct ddekit_usb_iso_packet_desc *iso_desc;
  77         void *priv;
  78         void *ddekit_priv;
  79 };
  80
  81 int ddekit_usb_dev_set_data(struct ddekit_usb_dev *dev, void *data);
  82 void *ddekit_usb_dev_get_data(struct ddekit_usb_dev *dev);
  83 void ddekit_usb_get_device_id(struct ddekit_usb_dev *dev, struct
  84         ddekit_usb_device_id *id);
  85 int ddekit_usb_submit_urb(struct ddekit_usb_urb *d_urb);
  86 int ddekit_usb_cancle_urb(struct ddekit_usb_urb *d_urb);
  87
  88 /*
  89  * This one is only implemented for the client side. For the server side is
  90  * has to be implemented in the DDELinux/FBSD part.
  91  */
  92 int ddekit_usb_init(struct ddekit_usb_driver *drv, ddekit_usb_malloc_fn
  93         *_m, ddekit_usb_free_fn *_f);
  94
  95 #endif