[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / renesas_usbhs / pipe.h

/*
 * 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)
#define USBHS_PIPE_FLAGS_IS_DIR_HOST		(1 << 2)

	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);
int usbhs_pipe_is_dir_host(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)	(int)((p) - (p)->priv->pipe_info.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 */
Commit	Line	Data
f1407d5c KM	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_PIPE_H
	18	#define RENESAS_USB_PIPE_H
	19
	20	#include "./common.h"
	21
	22	/*
	23	* struct
	24	*/
	25	struct usbhs_pipe {
	26	u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */
	27
	28	struct usbhs_priv *priv;
	29
	30	u32 flags;
	31	#define USBHS_PIPE_FLAGS_IS_USED (1 << 0)
	32	#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1)
ad6f2a8b	33	#define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2)
f1407d5c KM	34
	35	void *mod_private;
	36	};
	37
	38	struct usbhs_pipe_info {
	39	struct usbhs_pipe *pipe;
	40	int size; /* array size of "pipe" */
	41	int bufnmb_last; /* FIXME : driver needs good allocator */
	42	};
	43
	44	/*
	45	* pipe list
	46	*/
	47	#define __usbhs_for_each_pipe(start, pos, info, i) \
	48	for (i = start, pos = (info)->pipe; \
	49	i < (info)->size; \
	50	i++, pos = (info)->pipe + i)
	51
	52	#define usbhs_for_each_pipe(pos, priv, i) \
	53	__usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i)
	54
	55	#define usbhs_for_each_pipe_with_dcp(pos, priv, i) \
	56	__usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i)
	57
	58	/*
	59	* pipe module probe / remove
	60	*/
	61	int usbhs_pipe_probe(struct usbhs_priv *priv);
	62	void usbhs_pipe_remove(struct usbhs_priv *priv);
	63
	64	/*
	65	* cfifo
	66	*/
	67	int usbhs_fifo_write(struct usbhs_pipe pipe, u8 buf, int len);
	68	int usbhs_fifo_read(struct usbhs_pipe pipe, u8 buf, int len);
	69	int usbhs_fifo_prepare_write(struct usbhs_pipe *pipe);
	70	int usbhs_fifo_prepare_read(struct usbhs_pipe *pipe);
	71
	72	void usbhs_fifo_enable(struct usbhs_pipe *pipe);
	73	void usbhs_fifo_disable(struct usbhs_pipe *pipe);
	74	void usbhs_fifo_stall(struct usbhs_pipe *pipe);
	75
	76	void usbhs_fifo_send_terminator(struct usbhs_pipe *pipe);
	77
	78
	79	/*
	80	* usb request
	81	*/
	82	void usbhs_usbreq_get_val(struct usbhs_priv priv, struct usb_ctrlrequest req);
	83	void usbhs_usbreq_set_val(struct usbhs_priv priv, struct usb_ctrlrequest req);
	84
	85	/*
	86	* pipe control
	87	*/
	88	struct usbhs_pipe
	89	usbhs_pipe_malloc(struct usbhs_priv priv,
	90	const struct usb_endpoint_descriptor *desc);
	91
	92	int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
ad6f2a8b	93	int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
f1407d5c KM	94	void usbhs_pipe_init(struct usbhs_priv *priv);
	95	int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
	96	void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe);
	97
c89d2613	98	#define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe)
f1407d5c KM	99
	100	/*
	101	* dcp control
	102	*/
	103	struct usbhs_pipe usbhs_dcp_malloc(struct usbhs_priv priv);
	104	void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
	105
	106	#endif /* RENESAS_USB_PIPE_H */