138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/*
|
|
* 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;
|
|
u16 dvstctr;
|
|
};
|
|
|
|
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);
|
|
|
|
/* INTSTS0 :: CTRT (CTSQ) */
|
|
int (*irq_ctrl_stage)(struct usbhs_priv *priv,
|
|
struct usbhs_irq_state *irq_state);
|
|
|
|
/* INTSTS0 :: BEMP */
|
|
/* BEMPSTS */
|
|
int (*irq_empty)(struct usbhs_priv *priv,
|
|
struct usbhs_irq_state *irq_state);
|
|
u16 irq_bempsts;
|
|
|
|
/* INTSTS0 :: BRDY */
|
|
/* BRDYSTS */
|
|
int (*irq_ready)(struct usbhs_priv *priv,
|
|
struct usbhs_irq_state *irq_state);
|
|
u16 irq_brdysts;
|
|
|
|
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, struct usbhs_mod *mod);
|
|
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_usb_speed(struct usbhs_irq_state *irq_state);
|
|
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); \
|
|
})
|
|
|
|
/*
|
|
* gadget control
|
|
*/
|
|
#ifdef CONFIG_USB_RENESAS_USBHS_UDC
|
|
extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
|
|
extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
|
|
#else
|
|
static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif /* RENESAS_USB_MOD_H */
|