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/*
* Renesas USB driver
*
* Copyright (C) 2011 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef RENESAS_USB_PIPE_H
#define RENESAS_USB_PIPE_H
#include "./common.h"
/*
* struct
*/
struct usbhs_pipe {
u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */
struct usbhs_priv *priv;
u32 flags;
#define USBHS_PIPE_FLAGS_IS_USED (1 << 0)
#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1)
void *mod_private;
};
struct usbhs_pipe_info {
struct usbhs_pipe *pipe;
int size; /* array size of "pipe" */
int bufnmb_last; /* FIXME : driver needs good allocator */
};
/*
* pipe list
*/
#define __usbhs_for_each_pipe(start, pos, info, i) \
for (i = start, pos = (info)->pipe; \
i < (info)->size; \
i++, pos = (info)->pipe + i)
#define usbhs_for_each_pipe(pos, priv, i) \
__usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i)
#define usbhs_for_each_pipe_with_dcp(pos, priv, i) \
__usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i)
/*
* pipe module probe / remove
*/
int usbhs_pipe_probe(struct usbhs_priv *priv);
void usbhs_pipe_remove(struct usbhs_priv *priv);
/*
* cfifo
*/
int usbhs_fifo_write(struct usbhs_pipe *pipe, u8 *buf, int len);
int usbhs_fifo_read(struct usbhs_pipe *pipe, u8 *buf, int len);
int usbhs_fifo_prepare_write(struct usbhs_pipe *pipe);
int usbhs_fifo_prepare_read(struct usbhs_pipe *pipe);
void usbhs_fifo_enable(struct usbhs_pipe *pipe);
void usbhs_fifo_disable(struct usbhs_pipe *pipe);
void usbhs_fifo_stall(struct usbhs_pipe *pipe);
void usbhs_fifo_send_terminator(struct usbhs_pipe *pipe);
/*
* usb request
*/
void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
/*
* pipe control
*/
struct usbhs_pipe
*usbhs_pipe_malloc(struct usbhs_priv *priv,
const struct usb_endpoint_descriptor *desc);
int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
void usbhs_pipe_init(struct usbhs_priv *priv);
int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe);
#define usbhs_pipe_number(p) (((u32)(p) - (u32)(p)->priv->pipe_info.pipe) / \
sizeof(struct usbhs_pipe))
/*
* dcp control
*/
struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
#endif /* RENESAS_USB_PIPE_H */
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