/* $NetBSD: motgvar.h,v 1.6 2018/04/09 16:21:11 jakllsch Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (
[email protected]) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MOTGVAR_H_
#define _MOTGVAR_H_
struct motg_pipe {
struct usbd_pipe pipe;
int nexttoggle;
struct motg_hw_ep *hw_ep; /* pointer to the hardware EP used */
SIMPLEQ_ENTRY(motg_pipe) ep_pipe_list;
};
/* description of a hardware endpoint */
typedef enum {
IDLE = 0,
SETUP,
DATA_IN,
DATA_OUT,
STATUS_IN,
STATUS_OUT,
} usb_phase_t;
SIMPLEQ_HEAD(ep_pipes_head, motg_pipe);
struct motg_hw_ep {
int ep_number;
int ep_fifo_size;
struct usbd_xfer *xfer; /* active xfer on this EP */
char *data; /* pointer to data to be transmitted/received */
int datalen; /* data len to be transmitted */
usb_phase_t phase; /* current phase of the transfer, if any */
int refcount; /* how many devices using this EP */
struct ep_pipes_head ep_pipes; /* list of pipes using this EP */
bool need_short_xfer;
};
#define MOTG_MAX_HW_EP 16
struct motg_softc {
device_t sc_dev;
struct usbd_bus sc_bus;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
int sc_size;
int sc_mode;
#define MOTG_MODE_HOST 0
#define MOTG_MODE_DEVICE 1
void (*sc_intr_poll)(void *);
void *sc_intr_poll_arg;
int sc_ep_max;
u_int sc_ep_fifosize;
uint16_t sc_intr_tx_ep;
uint16_t sc_intr_rx_ep;
uint8_t sc_intr_ctrl;
struct motg_hw_ep sc_in_ep[MOTG_MAX_HW_EP];
struct motg_hw_ep sc_out_ep[MOTG_MAX_HW_EP];
kmutex_t sc_lock;
kmutex_t sc_intr_lock;
int sc_dying;
pool_cache_t sc_xferpool;
/* Info for the root hub interrupt "pipe". */
struct usbd_xfer *sc_intr_xfer; /* root hub interrupt transfer */
int sc_port_enabled : 1;
int sc_port_enabled_changed : 1;
int sc_port_suspended : 1;
int sc_port_suspended_change : 1;
int sc_high_speed : 1;
int sc_connected : 1;
int sc_connected_changed : 1;
int sc_isreset : 1;
device_t sc_child; /* /dev/usb# device */
};
struct motg_xfer {
struct usbd_xfer xfer;
};
#define MOTG_BUS2SC(bus) ((bus)->ub_hcpriv)
#define MOTG_PIPE2SC(pipe) MOTG_BUS2SC((pipe)->up_dev->ud_bus)
#define MOTG_XFER2SC(xfer) MOTG_BUS2SC((xfer)->ux_bus)
#define MOTG_MPIPE2SC(mpipe) MOTG_BUS2SC((mpipe)->pipe.up_dev->ud_bus)
#define MOTG_XFER2MXFER(xfer) ((struct motg_xfer *)(xfer))
#define MOTG_PIPE2MPIPE(pipe) ((struct motg_pipe *)(pipe))
int motg_init(struct motg_softc *);
int motg_intr(struct motg_softc *, uint16_t, uint16_t, uint8_t);
int motg_intr_vbus(struct motg_softc *, int);
int motg_detach(struct motg_softc *, int);
void motg_childdet(device_t, device_t);
int motg_activate(device_t, enum devact);
bool motg_resume(device_t, const pmf_qual_t *);
bool motg_suspend(device_t, const pmf_qual_t *);
#endif /* _MOTGVAR_H_ */
