[deliverable/linux.git] / drivers / usb / gadget / function / g_zero.h

/*
 * This header declares the utility functions used by "Gadget Zero", plus
 * interfaces to its two single-configuration function drivers.
 */

#ifndef __G_ZERO_H
#define __G_ZERO_H

#define GZERO_BULK_BUFLEN	4096
#define GZERO_QLEN		32
#define GZERO_ISOC_INTERVAL	4
#define GZERO_ISOC_MAXPACKET	1024
#define GZERO_SS_BULK_QLEN	1
#define GZERO_SS_ISO_QLEN	8

struct usb_zero_options {
	unsigned pattern;
	unsigned isoc_interval;
	unsigned isoc_maxpacket;
	unsigned isoc_mult;
	unsigned isoc_maxburst;
	unsigned bulk_buflen;
	unsigned qlen;
	unsigned ss_bulk_qlen;
	unsigned ss_iso_qlen;
};

struct f_ss_opts {
	struct usb_function_instance func_inst;
	unsigned pattern;
	unsigned isoc_interval;
	unsigned isoc_maxpacket;
	unsigned isoc_mult;
	unsigned isoc_maxburst;
	unsigned bulk_buflen;
	unsigned bulk_qlen;
	unsigned iso_qlen;

	/*
	 * Read/write access to configfs attributes is handled by configfs.
	 *
	 * This is to protect the data from concurrent access by read/write
	 * and create symlink/remove symlink.
	 */
	struct mutex			lock;
	int				refcnt;
};

struct f_lb_opts {
	struct usb_function_instance func_inst;
	unsigned bulk_buflen;
	unsigned qlen;

	/*
	 * Read/write access to configfs attributes is handled by configfs.
	 *
	 * This is to protect the data from concurrent access by read/write
	 * and create symlink/remove symlink.
	 */
	struct mutex			lock;
	int				refcnt;
};

void lb_modexit(void);
int lb_modinit(void);

/* common utilities */
void disable_endpoints(struct usb_composite_dev *cdev,
		struct usb_ep *in, struct usb_ep *out,
		struct usb_ep *iso_in, struct usb_ep *iso_out);

#endif /* __G_ZERO_H */
Commit	Line	Data
a400cadc DB	1	/*
	2	* This header declares the utility functions used by "Gadget Zero", plus
	3	* interfaces to its two single-configuration function drivers.
	4	*/
	5
	6	#ifndef __G_ZERO_H
	7	#define __G_ZERO_H
	8
c0501f47 AP	9	#define GZERO_BULK_BUFLEN 4096
c0501f47 AP	10	#define GZERO_QLEN 32
25d80151 AP	11	#define GZERO_ISOC_INTERVAL 4
25d80151 AP	12	#define GZERO_ISOC_MAXPACKET 1024
0d6c3d96 PC	13	#define GZERO_SS_BULK_QLEN 1
0d6c3d96 PC	14	#define GZERO_SS_ISO_QLEN 8
c0501f47	15
cf9a08ae SAS	16	struct usb_zero_options {
	17	unsigned pattern;
	18	unsigned isoc_interval;
	19	unsigned isoc_maxpacket;
	20	unsigned isoc_mult;
	21	unsigned isoc_maxburst;
	22	unsigned bulk_buflen;
	23	unsigned qlen;
0d6c3d96 PC	24	unsigned ss_bulk_qlen;
0d6c3d96 PC	25	unsigned ss_iso_qlen;
cf9a08ae	26	};
a400cadc	27
cf9a08ae SAS	28	struct f_ss_opts {
	29	struct usb_function_instance func_inst;
	30	unsigned pattern;
	31	unsigned isoc_interval;
	32	unsigned isoc_maxpacket;
	33	unsigned isoc_mult;
	34	unsigned isoc_maxburst;
	35	unsigned bulk_buflen;
0d6c3d96 PC	36	unsigned bulk_qlen;
0d6c3d96 PC	37	unsigned iso_qlen;
25d80151 AP	38
	39	/*
	40	* Read/write access to configfs attributes is handled by configfs.
	41	*
	42	* This is to protect the data from concurrent access by read/write
	43	* and create symlink/remove symlink.
	44	*/
	45	struct mutex lock;
	46	int refcnt;
cf9a08ae SAS	47	};
	48
	49	struct f_lb_opts {
	50	struct usb_function_instance func_inst;
	51	unsigned bulk_buflen;
	52	unsigned qlen;
c0501f47 AP	53
	54	/*
	55	* Read/write access to configfs attributes is handled by configfs.
	56	*
	57	* This is to protect the data from concurrent access by read/write
	58	* and create symlink/remove symlink.
	59	*/
	60	struct mutex lock;
	61	int refcnt;
cf9a08ae SAS	62	};
	63
	64	void lb_modexit(void);
	65	int lb_modinit(void);
a400cadc DB	66
a400cadc DB	67	/* common utilities */
a400cadc	68	void disable_endpoints(struct usb_composite_dev *cdev,
b4036ccd	69	struct usb_ep in, struct usb_ep out,
2c247804	70	struct usb_ep iso_in, struct usb_ep iso_out);
a400cadc	71
a400cadc	72	#endif /* __G_ZERO_H */