Release 4.7 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"
#include "fifo.h"

/*
 *      struct
 */

struct usbhs_pipe {
	
u32 pipe_type;	/* USB_ENDPOINT_XFER_xxx */

	
struct usbhs_priv *priv;
	
struct usbhs_fifo *fifo;
	
struct list_head list;

	
int maxp;

	
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)

#define USBHS_PIPE_FLAGS_IS_RUNNING		(1 << 3)

	
const struct usbhs_pkt_handle *handler;

	
void *mod_private;
};


struct usbhs_pipe_info {
	
struct usbhs_pipe *pipe;
	
int size;	/* array size of "pipe" */

	
int (*dma_map_ctrl)(struct device *dma_dev, struct usbhs_pkt *pkt,
			    int map);
};

/*
 * pipe list
 */

#define __usbhs_for_each_pipe(start, pos, info, i)	\
	for ((i) = start;                                               \
             ((i) < (info)->size) && ((pos) = (info)->pipe + (i));      \
             (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)

/*
 * data
 */

#define usbhs_priv_to_pipeinfo(pr)	(&(pr)->pipe_info)

/*
 * pipe control
 */
char *usbhs_pipe_name(struct usbhs_pipe *pipe);
struct usbhs_pipe
*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
void usbhs_pipe_free(struct usbhs_pipe *pipe);
int usbhs_pipe_probe(struct usbhs_priv *priv);
void usbhs_pipe_remove(struct usbhs_priv *priv);
int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
int usbhs_pipe_is_running(struct usbhs_pipe *pipe);
void usbhs_pipe_running(struct usbhs_pipe *pipe, int running);

void usbhs_pipe_init(struct usbhs_priv *priv,
		     int (*dma_map_ctrl)(struct device *dma_dev,
					 struct usbhs_pkt *pkt, int map));
int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
void usbhs_pipe_clear(struct usbhs_pipe *pipe);
int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
void usbhs_pipe_enable(struct usbhs_pipe *pipe);
void usbhs_pipe_disable(struct usbhs_pipe *pipe);
void usbhs_pipe_stall(struct usbhs_pipe *pipe);
int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len);
void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
			      u16 epnum, u16 maxp);
void usbhs_pipe_config_change_bfre(struct usbhs_pipe *pipe, int enable);


#define usbhs_pipe_sequence_data0(pipe)	usbhs_pipe_data_sequence(pipe, 0)

#define usbhs_pipe_sequence_data1(pipe)	usbhs_pipe_data_sequence(pipe, 1)
void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data);


#define usbhs_pipe_to_priv(p)	((p)->priv)

#define usbhs_pipe_number(p)	(int)((p) - (p)->priv->pipe_info.pipe)

#define usbhs_pipe_is_dcp(p)	((p)->priv->pipe_info.pipe == (p))

#define usbhs_pipe_to_fifo(p)	((p)->fifo)

#define usbhs_pipe_is_busy(p)	usbhs_pipe_to_fifo(p)


#define usbhs_pipe_type(p)		((p)->pipe_type)

#define usbhs_pipe_type_is(p, t)	((p)->pipe_type == t)

/*
 * dcp control
 */
struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out);

#endif /* RENESAS_USB_PIPE_H */
Overall Contributors
Person
Tokens
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kuninori morimoto
kuninori morimoto
446
88.32%
20
76.92%
yoshihiro shimoda
yoshihiro shimoda
56
11.09%
4
15.38%
paul bolle
paul bolle
2
0.40%
1
3.85%
julia lawall
julia lawall
1
0.20%
1
3.85%
Total
505
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26
100.00%
  
Directory: drivers/usb/renesas_usbhs

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