106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
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/*
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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_PIPE_H
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#define RENESAS_USB_PIPE_H
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#include "./common.h"
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/*
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* struct
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*/
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struct usbhs_pipe {
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u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */
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struct usbhs_priv *priv;
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u32 flags;
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#define USBHS_PIPE_FLAGS_IS_USED (1 << 0)
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#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1)
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void *mod_private;
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};
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struct usbhs_pipe_info {
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struct usbhs_pipe *pipe;
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int size; /* array size of "pipe" */
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int bufnmb_last; /* FIXME : driver needs good allocator */
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};
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/*
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* pipe list
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*/
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#define __usbhs_for_each_pipe(start, pos, info, i) \
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for (i = start, pos = (info)->pipe; \
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i < (info)->size; \
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i++, pos = (info)->pipe + i)
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#define usbhs_for_each_pipe(pos, priv, i) \
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__usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i)
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#define usbhs_for_each_pipe_with_dcp(pos, priv, i) \
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__usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i)
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/*
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* pipe module probe / remove
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*/
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int usbhs_pipe_probe(struct usbhs_priv *priv);
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void usbhs_pipe_remove(struct usbhs_priv *priv);
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/*
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* cfifo
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*/
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int usbhs_fifo_write(struct usbhs_pipe *pipe, u8 *buf, int len);
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int usbhs_fifo_read(struct usbhs_pipe *pipe, u8 *buf, int len);
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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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void usbhs_fifo_enable(struct usbhs_pipe *pipe);
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void usbhs_fifo_disable(struct usbhs_pipe *pipe);
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void usbhs_fifo_stall(struct usbhs_pipe *pipe);
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void usbhs_fifo_send_terminator(struct usbhs_pipe *pipe);
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/*
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* usb request
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*/
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void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
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void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
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/*
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* pipe control
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*/
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struct usbhs_pipe
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*usbhs_pipe_malloc(struct usbhs_priv *priv,
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const struct usb_endpoint_descriptor *desc);
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int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
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void usbhs_pipe_init(struct usbhs_priv *priv);
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int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
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void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe);
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#define usbhs_pipe_number(p) (((u32)(p) - (u32)(p)->priv->pipe_info.pipe) / \
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sizeof(struct usbhs_pipe))
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/*
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* dcp control
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*/
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struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
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void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
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#endif /* RENESAS_USB_PIPE_H */
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