/* $OpenBSD: usbdivar.h,v 1.82 2022/04/12 19:41:11 naddy Exp $ */ /* $NetBSD: usbdivar.h,v 1.70 2002/07/11 21:14:36 augustss Exp $ */ /* $FreeBSD: src/sys/dev/usb/usbdivar.h,v 1.11 1999/11/17 22:33:51 n_hibma 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 (lennart@augustsson.net) 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 _USBDIVAR_H_ #define _USBDIVAR_H_ #include "bpfilter.h" #if NBPFILTER > 0 #include #endif #include /* From usb_mem.h */ struct usb_dma_block; struct usb_dma { struct usb_dma_block *block; u_int offs; #define USB_DMA_COHERENT (1 << 0) }; struct usbd_xfer; struct usbd_pipe; struct usbd_endpoint { usb_endpoint_descriptor_t *edesc; int refcnt; int savedtoggle; }; struct usbd_bus_methods { usbd_status (*open_pipe)(struct usbd_pipe *); int (*dev_setaddr)(struct usbd_device *, int); void (*soft_intr)(void *); void (*do_poll)(struct usbd_bus *); struct usbd_xfer * (*allocx)(struct usbd_bus *); void (*freex)(struct usbd_bus *, struct usbd_xfer *); }; struct usbd_pipe_methods { usbd_status (*transfer)(struct usbd_xfer *); usbd_status (*start)(struct usbd_xfer *); void (*abort)(struct usbd_xfer *); void (*close)(struct usbd_pipe *); void (*cleartoggle)(struct usbd_pipe *); void (*done)(struct usbd_xfer *); }; struct usbd_tt { struct usbd_hub *hub; }; struct usbd_port { usb_port_status_t status; u_int16_t power; /* mA of current on port */ u_int8_t portno; u_int8_t restartcnt; #define USBD_RESTART_MAX 5 u_int8_t reattach; struct usbd_device *device; /* Connected device */ struct usbd_device *parent; /* The ports hub */ struct usbd_tt *tt; /* Transaction translator (if any) */ }; struct usbd_hub { int (*explore)(struct usbd_device *); void *hubsoftc; struct usbd_port *ports; int nports; u_int8_t powerdelay; u_int8_t ttthink; }; struct usbd_bus { /* Filled by HC driver */ struct device bdev; /* base device, host adapter */ const struct usbd_bus_methods *methods; #if NBPFILTER > 0 void *bpfif; caddr_t bpf; #endif u_int32_t pipe_size; /* size of a pipe struct */ /* Filled by usb driver */ struct usbd_device *root_hub; struct usbd_device *devices[USB_MAX_DEVICES]; char use_polling; char dying; int flags; #define USB_BUS_CONFIG_PENDING 0x01 #define USB_BUS_DISCONNECTING 0x02 struct device *usbctl; struct usb_device_stats stats; int intr_context; u_int no_intrs; int usbrev; /* USB revision */ #define USBREV_UNKNOWN 0 #define USBREV_PRE_1_0 1 #define USBREV_1_0 2 #define USBREV_1_1 3 #define USBREV_2_0 4 #define USBREV_3_0 5 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0", "3.0" } void *soft; /* soft interrupt cookie */ bus_dma_tag_t dmatag; /* DMA tag */ }; struct usbd_device { struct usbd_bus *bus; /* our controller */ struct usbd_pipe *default_pipe; /* pipe 0 */ u_int8_t dying; /* hardware removed */ u_int8_t ref_cnt; /* # of procs using device */ u_int8_t address; /* device address */ u_int8_t config; /* current configuration # */ u_int8_t depth; /* distance from root hub */ u_int8_t speed; /* low/full/high speed */ u_int8_t self_powered; /* flag for self powered */ u_int16_t power; /* mA the device uses */ int16_t langid; /* language for strings */ #define USBD_NOLANG (-1) struct usbd_port *powersrc; /* upstream hub port, or 0 */ struct usbd_device *myhub; /* upstream hub */ struct usbd_port *myhsport; /* closest high speed port */ struct usbd_endpoint def_ep; /* for pipe 0 */ usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */ struct usbd_interface *ifaces; /* array of all interfaces */ usb_device_descriptor_t ddesc; /* device descriptor */ usb_config_descriptor_t *cdesc; /* full config descr */ const struct usbd_quirks *quirks; /* device quirks, always set */ struct usbd_hub *hub; /* only if this is a hub */ struct device **subdevs; /* sub-devices, 0 terminated */ int nsubdev; /* size of the `subdevs' array */ int ndevs; /* # of subdevs */ char *serial; /* serial number, can be NULL */ char *vendor; /* vendor string, can be NULL */ char *product; /* product string, can be NULL */ }; struct usbd_interface { struct usbd_device *device; usb_interface_descriptor_t *idesc; int index; int altindex; struct usbd_endpoint *endpoints; void *priv; LIST_HEAD(, usbd_pipe) pipes; uint8_t claimed; uint8_t nendpt; }; struct usbd_pipe { struct usbd_interface *iface; struct usbd_device *device; struct usbd_endpoint *endpoint; size_t pipe_size; char running; char aborting; SIMPLEQ_HEAD(, usbd_xfer) queue; LIST_ENTRY(usbd_pipe) next; struct usbd_xfer *intrxfer; /* used for repeating requests */ char repeat; int interval; /* Filled by HC driver. */ const struct usbd_pipe_methods *methods; }; struct usbd_xfer { struct usbd_pipe *pipe; void *priv; char *buffer; u_int32_t length; u_int32_t actlen; u_int16_t flags; u_int32_t timeout; usbd_status status; usbd_callback callback; volatile char done; #ifdef DIAGNOSTIC u_int32_t busy_free; #define XFER_FREE 0x42555359 #define XFER_ONQU 0x4f4e5155 #endif /* For control pipe */ usb_device_request_t request; /* For isoc */ u_int16_t *frlengths; int nframes; /* For memory allocation */ struct usbd_device *device; struct usb_dma dmabuf; int rqflags; #define URQ_REQUEST 0x01 #define URQ_AUTO_DMABUF 0x10 #define URQ_DEV_DMABUF 0x20 SIMPLEQ_ENTRY(usbd_xfer) next; void *hcpriv; /* private use by the HC driver */ struct usb_task abort_task; struct timeout timeout_handle; }; void usbd_dump_iface(struct usbd_interface *); void usbd_dump_device(struct usbd_device *); void usbd_dump_endpoint(struct usbd_endpoint *); void usbd_dump_queue(struct usbd_pipe *); void usbd_dump_pipe(struct usbd_pipe *); /* Routines from usb_subr.c */ int usbctlprint(void *, const char *); void usb_delay_ms(struct usbd_bus *, u_int); usbd_status usbd_port_disown_to_1_1(struct usbd_device *, int); int usbd_reset_port(struct usbd_device *, int); usbd_status usbd_setup_pipe(struct usbd_device *, struct usbd_interface *, struct usbd_endpoint *, int, struct usbd_pipe **); int usbd_set_address(struct usbd_device *, int); usbd_status usbd_new_device(struct device *, struct usbd_bus *, int, int, int, struct usbd_port *); usbd_status usbd_fill_iface_data(struct usbd_device *, int, int); usbd_status usb_insert_transfer(struct usbd_xfer *); void usb_transfer_complete(struct usbd_xfer *); int usbd_detach(struct usbd_device *, struct device *); /* Routines from usb.c */ void usb_needs_explore(struct usbd_device *, int); void usb_needs_reattach(struct usbd_device *); void usb_schedsoftintr(struct usbd_bus *); void usb_tap(struct usbd_bus *, struct usbd_xfer *, uint8_t); #define USBTAP_DIR_OUT 0 #define USBTAP_DIR_IN 1 #define UHUB_UNK_CONFIGURATION -1 #define UHUB_UNK_INTERFACE -1 static inline int usbd_xfer_isread(struct usbd_xfer *xfer) { if (xfer->rqflags & URQ_REQUEST) return (xfer->request.bmRequestType & UT_READ); return (xfer->pipe->endpoint->edesc->bEndpointAddress & UE_DIR_IN); } #endif /* _USBDIVAR_H_ */