drivers/usb/renesas_usbhs/fifo.h

   1 /*
   2  * Renesas USB driver
   3  *
   4  * Copyright (C) 2011 Renesas Solutions Corp.
   5  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  15  *
  16  */
  17 #ifndef RENESAS_USB_FIFO_H
  18 #define RENESAS_USB_FIFO_H
  19
  20 #include "pipe.h"
  21
  22 struct usbhs_pkt {
  23         struct usbhs_pipe *pipe;
  24         int maxp;
  25         void *buf;
  26         int length;
  27         int actual;
  28 };
  29
  30 /*
  31  * fifo
  32  */
  33 int usbhs_fifo_write(struct usbhs_pkt *pkt);
  34 int usbhs_fifo_read(struct usbhs_pkt *pkt);
  35 int usbhs_fifo_prepare_write(struct usbhs_pipe *pipe);
  36 int usbhs_fifo_prepare_read(struct usbhs_pipe *pipe);
  37
  38 /*
  39  * packet info
  40  */
  41 void usbhs_pkt_update(struct usbhs_pkt *pkt,
  42                       struct usbhs_pipe *pipe,
  43                       void *buf, int len);
  44
  45 #endif /* RENESAS_USB_FIFO_H */