134 lines
4.2 KiB
C
134 lines
4.2 KiB
C
/* $NetBSD: motgvar.h,v 1.5 2016/04/23 10:15:32 skrll Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MOTGVAR_H_
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#define _MOTGVAR_H_
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struct motg_pipe {
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struct usbd_pipe pipe;
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int nexttoggle;
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struct motg_hw_ep *hw_ep; /* pointer to the hardware EP used */
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SIMPLEQ_ENTRY(motg_pipe) ep_pipe_list;
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};
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/* description of a hardware endpoint */
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typedef enum {
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IDLE = 0,
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SETUP,
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DATA_IN,
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DATA_OUT,
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STATUS_IN,
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STATUS_OUT,
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} usb_phase_t;
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SIMPLEQ_HEAD(ep_pipes_head, motg_pipe);
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struct motg_hw_ep {
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int ep_number;
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int ep_fifo_size;
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struct usbd_xfer *xfer; /* active xfer on this EP */
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char *data; /* pointer to data to be transmitted/received */
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int datalen; /* data len to be transmitted */
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usb_phase_t phase; /* current phase of the transfer, if any */
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int refcount; /* how many devices using this EP */
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struct ep_pipes_head ep_pipes; /* list of pipes using this EP */
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bool need_short_xfer;
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};
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#define MOTG_MAX_HW_EP 16
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struct motg_softc {
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device_t sc_dev;
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struct usbd_bus sc_bus;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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int sc_size;
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int sc_mode;
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#define MOTG_MODE_HOST 0
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#define MOTG_MODE_DEVICE 1
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void (*sc_intr_poll)(void *);
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void *sc_intr_poll_arg;
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int sc_ep_max;
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u_int sc_ep_fifosize;
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uint16_t sc_intr_tx_ep;
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uint16_t sc_intr_rx_ep;
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uint8_t sc_intr_ctrl;
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struct motg_hw_ep sc_in_ep[MOTG_MAX_HW_EP];
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struct motg_hw_ep sc_out_ep[MOTG_MAX_HW_EP];
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kmutex_t sc_lock;
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kmutex_t sc_intr_lock;
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int sc_dying;
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pool_cache_t sc_xferpool;
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/* Info for the root hub interrupt "pipe". */
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struct usbd_xfer *sc_intr_xfer; /* root hub interrupt transfer */
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char sc_vendor[32]; /* vendor string for root hub */
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int sc_id_vendor; /* vendor ID for root hub */
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int sc_port_enabled : 1;
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int sc_port_enabled_changed : 1;
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int sc_port_suspended : 1;
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int sc_port_suspended_change : 1;
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int sc_high_speed : 1;
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int sc_connected : 1;
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int sc_connected_changed : 1;
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int sc_isreset : 1;
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device_t sc_child; /* /dev/usb# device */
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};
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struct motg_xfer {
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struct usbd_xfer xfer;
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};
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#define MOTG_BUS2SC(bus) ((bus)->ub_hcpriv)
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#define MOTG_PIPE2SC(pipe) MOTG_BUS2SC((pipe)->up_dev->ud_bus)
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#define MOTG_XFER2SC(xfer) MOTG_BUS2SC((xfer)->ux_bus)
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#define MOTG_MPIPE2SC(mpipe) MOTG_BUS2SC((mpipe)->pipe.up_dev->ud_bus)
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#define MOTG_XFER2MXFER(xfer) ((struct motg_xfer *)(xfer))
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#define MOTG_PIPE2MPIPE(pipe) ((struct motg_pipe *)(pipe))
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int motg_init(struct motg_softc *);
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int motg_intr(struct motg_softc *, uint16_t, uint16_t, uint8_t);
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int motg_intr_vbus(struct motg_softc *, int);
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int motg_detach(struct motg_softc *, int);
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void motg_childdet(device_t, device_t);
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int motg_activate(device_t, enum devact);
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bool motg_resume(device_t, const pmf_qual_t *);
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bool motg_suspend(device_t, const pmf_qual_t *);
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#endif /* _MOTGVAR_H_ */
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