Release 4.7 drivers/usb/renesas_usbhs/mod.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_MOD_H

#define RENESAS_USB_MOD_H

#include <linux/spinlock.h>
#include <linux/usb/renesas_usbhs.h>
#include "common.h"

/*
 *      struct
 */

struct usbhs_irq_state {
	
u16 intsts0;
	
u16 intsts1;
	
u16 brdysts;
	
u16 nrdysts;
	
u16 bempsts;
};


struct usbhs_mod {
	
char *name;

	/*
         * entry point from common.c
         */
	
int (*start)(struct usbhs_priv *priv);
	
int (*stop)(struct usbhs_priv *priv);

	/*
         * INTSTS0
         */

	/* DVST (DVSQ) */
	
int (*irq_dev_state)(struct usbhs_priv *priv,
			     struct usbhs_irq_state *irq_state);

	/* CTRT (CTSQ) */
	
int (*irq_ctrl_stage)(struct usbhs_priv *priv,
			      struct usbhs_irq_state *irq_state);

	/* BEMP / BEMPSTS */
	
int (*irq_empty)(struct usbhs_priv *priv,
			 struct usbhs_irq_state *irq_state);
	
u16 irq_bempsts;

	/* BRDY / BRDYSTS */
	
int (*irq_ready)(struct usbhs_priv *priv,
			 struct usbhs_irq_state *irq_state);
	
u16 irq_brdysts;

	/*
         * INTSTS1
         */

	/* ATTCHE */
	
int (*irq_attch)(struct usbhs_priv *priv,
			 struct usbhs_irq_state *irq_state);

	/* DTCHE */
	
int (*irq_dtch)(struct usbhs_priv *priv,
			struct usbhs_irq_state *irq_state);

	/* SIGN */
	
int (*irq_sign)(struct usbhs_priv *priv,
			struct usbhs_irq_state *irq_state);

	/* SACK */
	
int (*irq_sack)(struct usbhs_priv *priv,
			struct usbhs_irq_state *irq_state);

	
struct usbhs_priv *priv;
};


struct usbhs_mod_info {
	
struct usbhs_mod *mod[USBHS_MAX];
	
struct usbhs_mod *curt; /* current mod */

	/*
         * INTSTS0 :: VBINT
         *
         * This function will be used as autonomy mode
         * when platform cannot call notify_hotplug.
         *
         * This callback cannot be member of "struct usbhs_mod"
         * because it will be used even though
         * host/gadget has not been selected.
         */
	
int (*irq_vbus)(struct usbhs_priv *priv,
			struct usbhs_irq_state *irq_state);
};

/*
 *              for host/gadget module
 */
struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id);
struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv);
void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id);
int usbhs_mod_is_host(struct usbhs_priv *priv);
int usbhs_mod_change(struct usbhs_priv *priv, int id);
int usbhs_mod_probe(struct usbhs_priv *priv);
void usbhs_mod_remove(struct usbhs_priv *priv);

void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);

/*
 *              status functions
 */
int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);

/*
 *              callback functions
 */
void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);



#define usbhs_mod_call(priv, func, param...)		\
	({                                              \
                struct usbhs_mod *mod;                  \
                mod = usbhs_mod_get_current(priv);      \
                !mod            ? -ENODEV :             \
                !mod->func      ? 0 :                   \
                 mod->func(param);                      \
        })

/*
 * host / gadget control
 */
#if	defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
	defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
extern int usbhs_mod_host_probe(struct usbhs_priv *priv);
extern int usbhs_mod_host_remove(struct usbhs_priv *priv);
#else


static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
{
	return 0;
}
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static inline void usbhs_mod_host_remove(struct usbhs_priv *priv)
{
}
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#endif

#if	defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
	defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv);
extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv);
#else


static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
{
	return 0;
}
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static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
{
}
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#endif

#endif /* RENESAS_USB_MOD_H */
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Directory: drivers/usb/renesas_usbhs

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