4 * Copyright (C) 2011 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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.
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
17 #ifndef RENESAS_USB_FIFO_H
18 #define RENESAS_USB_FIFO_H
22 struct usbhs_pkt_handle;
24 struct list_head node;
25 struct usbhs_pipe *pipe;
26 struct usbhs_pkt_handle *handler;
33 struct usbhs_pkt_handle {
34 int (*prepare)(struct usbhs_pkt *pkt, int *is_done);
35 int (*try_run)(struct usbhs_pkt *pkt, int *is_done);
41 void usbhs_fifo_init(struct usbhs_priv *priv);
42 void usbhs_fifo_quit(struct usbhs_priv *priv);
52 extern struct usbhs_pkt_handle usbhs_fifo_push_handler;
53 extern struct usbhs_pkt_handle usbhs_fifo_pop_handler;
54 extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
56 void usbhs_pkt_init(struct usbhs_pkt *pkt);
57 void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
58 struct usbhs_pkt_handle *handler,
59 void *buf, int len, int zero);
60 struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
61 int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type);
63 #define usbhs_pkt_start(p) __usbhs_pkt_handler(p, USBHSF_PKT_PREPARE)
64 #define usbhs_pkt_run(p) __usbhs_pkt_handler(p, USBHSF_PKT_TRY_RUN)
66 #endif /* RENESAS_USB_FIFO_H */