6acb95d4e0
Current renesas_usbhs driver is controlling packet queue on mod_gadget.c. But it has relationship with pipe/fifo, not host/gadget. So, controlling USB packet queue in pipe.c/fifo.c is more convenient than in mod_gadget.c. This patch modify it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Renesas USB driver
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*
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef RENESAS_USB_FIFO_H
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#define RENESAS_USB_FIFO_H
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#include "pipe.h"
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struct usbhs_pkt {
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struct list_head node;
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struct usbhs_pipe *pipe;
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int maxp;
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void *buf;
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int length;
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int actual;
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};
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/*
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* fifo
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*/
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int usbhs_fifo_write(struct usbhs_pkt *pkt);
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int usbhs_fifo_read(struct usbhs_pkt *pkt);
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int usbhs_fifo_prepare_write(struct usbhs_pipe *pipe);
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int usbhs_fifo_prepare_read(struct usbhs_pipe *pipe);
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/*
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* packet info
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*/
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void usbhs_pkt_init(struct usbhs_pkt *pkt);
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void usbhs_pkt_update(struct usbhs_pkt *pkt, void *buf, int len);
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void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
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void usbhs_pkt_pop(struct usbhs_pkt *pkt);
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struct usbhs_pkt *usbhs_pkt_get(struct usbhs_pipe *pipe);
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#endif /* RENESAS_USB_FIFO_H */
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