/* $OpenBSD: usbdi.h,v 1.69 2017/05/15 11:05:51 mpi Exp $ */ /* $NetBSD: usbdi.h,v 1.62 2002/07/11 21:14:35 augustss Exp $ */ /* $FreeBSD: src/sys/dev/usb/usbdi.h,v 1.18 1999/11/17 22:33:49 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 _USBDI_H_ #define _USBDI_H_ struct usbd_bus; struct usbd_device; struct usbd_interface; struct usbd_pipe; struct usbd_xfer; typedef enum { USBD_NORMAL_COMPLETION = 0, /* must be 0 */ USBD_IN_PROGRESS, /* 1 */ /* errors */ USBD_PENDING_REQUESTS, /* 2 */ USBD_NOT_STARTED, /* 3 */ USBD_INVAL, /* 4 */ USBD_NOMEM, /* 5 */ USBD_CANCELLED, /* 6 */ USBD_BAD_ADDRESS, /* 7 */ USBD_IN_USE, /* 8 */ USBD_NO_ADDR, /* 9 */ USBD_SET_ADDR_FAILED, /* 10 */ USBD_NO_POWER, /* 11 */ USBD_TOO_DEEP, /* 12 */ USBD_IOERROR, /* 13 */ USBD_NOT_CONFIGURED, /* 14 */ USBD_TIMEOUT, /* 15 */ USBD_SHORT_XFER, /* 16 */ USBD_STALLED, /* 17 */ USBD_INTERRUPTED, /* 18 */ USBD_ERROR_MAX /* must be last */ } usbd_status; typedef void (*usbd_callback)(struct usbd_xfer *, void *, usbd_status); /* Open flags */ #define USBD_EXCLUSIVE_USE 0x01 /* Use default (specified by ep. desc.) interval on interrupt pipe */ #define USBD_DEFAULT_INTERVAL (-1) /* Request flags */ #define USBD_NO_COPY 0x01 /* do not copy data to DMA buffer */ #define USBD_SYNCHRONOUS 0x02 /* wait for completion */ /* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */ #define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */ #define USBD_CATCH 0x10 /* catch signals while sleeping */ #define USBD_NO_TIMEOUT 0 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */ #define DEVINFOSIZE 1024 usbd_status usbd_open_pipe(struct usbd_interface *iface, u_int8_t address, u_int8_t flags, struct usbd_pipe **pipe); usbd_status usbd_close_pipe(struct usbd_pipe *pipe); usbd_status usbd_transfer(struct usbd_xfer *req); struct usbd_xfer *usbd_alloc_xfer(struct usbd_device *); void usbd_free_xfer(struct usbd_xfer *xfer); void usbd_setup_xfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe, void *priv, void *buffer, u_int32_t length, u_int16_t flags, u_int32_t timeout, usbd_callback); void usbd_setup_default_xfer(struct usbd_xfer *xfer, struct usbd_device *dev, void *priv, u_int32_t timeout, usb_device_request_t *req, void *buffer, u_int32_t length, u_int16_t flags, usbd_callback); void usbd_setup_isoc_xfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe, void *priv, u_int16_t *frlengths, u_int32_t nframes, u_int16_t flags, usbd_callback); void usbd_get_xfer_status(struct usbd_xfer *xfer, void **priv, void **buffer, u_int32_t *count, usbd_status *status); usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor( struct usbd_interface *iface, u_int8_t address); void usbd_abort_pipe(struct usbd_pipe *pipe); usbd_status usbd_clear_endpoint_stall(struct usbd_pipe *pipe); usbd_status usbd_clear_endpoint_stall_async(struct usbd_pipe *pipe); void usbd_clear_endpoint_toggle(struct usbd_pipe *pipe); usbd_status usbd_device2interface_handle(struct usbd_device *dev, u_int8_t ifaceno, struct usbd_interface **iface); void *usbd_alloc_buffer(struct usbd_xfer *xfer, u_int32_t size); void usbd_free_buffer(struct usbd_xfer *xfer); usbd_status usbd_open_pipe_intr(struct usbd_interface *iface, u_int8_t address, u_int8_t flags, struct usbd_pipe **pipe, void *priv, void *buffer, u_int32_t length, usbd_callback, int); usbd_status usbd_do_request(struct usbd_device *pipe, usb_device_request_t *req, void *data); usbd_status usbd_request_async(struct usbd_xfer *xfer, usb_device_request_t *req, void *priv, usbd_callback callback); usbd_status usbd_do_request_flags(struct usbd_device *pipe, usb_device_request_t *req, void *data, u_int16_t flags, int*, u_int32_t); usb_interface_descriptor_t *usbd_get_interface_descriptor( struct usbd_interface *iface); usb_config_descriptor_t *usbd_get_config_descriptor(struct usbd_device *dev); usb_device_descriptor_t *usbd_get_device_descriptor(struct usbd_device *dev); usbd_status usbd_set_interface(struct usbd_interface *, int); int usbd_get_no_alts(usb_config_descriptor_t *, int); void usbd_fill_deviceinfo(struct usbd_device *, struct usb_device_info *, int); usb_config_descriptor_t *usbd_get_cdesc(struct usbd_device *, int, u_int *); int usbd_get_interface_altindex(struct usbd_interface *iface); usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *cd, int iindex, int ano); usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, int endptidx); void usbd_dopoll(struct usbd_device *); void usbd_set_polling(struct usbd_device *iface, int on); const char *usbd_errstr(usbd_status err); const struct usbd_quirks *usbd_get_quirks(struct usbd_device *); usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor( struct usbd_interface *iface, u_int8_t address); usbd_status usbd_reload_device_desc(struct usbd_device *); int usbd_ratecheck(struct timeval *last); int usbd_get_devcnt(struct usbd_device *); void usbd_claim_iface(struct usbd_device *, int); int usbd_iface_claimed(struct usbd_device *, int); int usbd_is_dying(struct usbd_device *); void usbd_deactivate(struct usbd_device *); void usbd_ref_incr(struct usbd_device *); void usbd_ref_decr(struct usbd_device *); void usbd_ref_wait(struct usbd_device *); /* An iterator for descriptors. */ struct usbd_desc_iter { const uByte *cur; const uByte *end; }; void usbd_desc_iter_init(struct usbd_device *, struct usbd_desc_iter *); const usb_descriptor_t *usbd_desc_iter_next(struct usbd_desc_iter *); int usbd_str(usb_string_descriptor_t *, int, const char *); /* * The usb_task structs form a queue of things to run in the USB task * threads. Normally this is just device discovery when a connect/disconnect * has been detected. But it may also be used by drivers that need to * perform (short) tasks that must have a process context. */ struct usb_task { TAILQ_ENTRY(usb_task) next; struct usbd_device *dev; void (*fun)(void *); void *arg; char type; #define USB_TASK_TYPE_GENERIC 0 #define USB_TASK_TYPE_EXPLORE 1 #define USB_TASK_TYPE_ABORT 2 u_int state; #define USB_TASK_STATE_NONE 0x0 #define USB_TASK_STATE_ONQ 0x1 #define USB_TASK_STATE_RUN 0x2 }; void usb_add_task(struct usbd_device *, struct usb_task *); void usb_rem_task(struct usbd_device *, struct usb_task *); void usb_wait_task(struct usbd_device *, struct usb_task *); void usb_rem_wait_task(struct usbd_device *, struct usb_task *); #define usb_init_task(t, f, a, y) \ ((t)->fun = (f), \ (t)->arg = (a), \ (t)->type = (y), \ (t)->state = USB_TASK_STATE_NONE) struct usb_devno { u_int16_t ud_vendor; u_int16_t ud_product; }; const struct usb_devno *usbd_match_device(const struct usb_devno *tbl, u_int nentries, u_int sz, u_int16_t vendor, u_int16_t product); #define usb_lookup(tbl, vendor, product) \ usbd_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product)) #define USB_PRODUCT_ANY 0xffff /* Attach data */ struct usb_attach_arg { int port; int configno; int ifaceno; int vendor; int product; int release; struct usbd_device *device; /* current device */ struct usbd_interface *iface; /* current interface */ int usegeneric; struct usbd_interface **ifaces;/* all interfaces */ int nifaces; /* number of interfaces */ }; /* Match codes. */ /* First five codes is for a whole device. */ #define UMATCH_VENDOR_PRODUCT_REV 14 #define UMATCH_VENDOR_PRODUCT 13 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11 #define UMATCH_DEVCLASS_DEVSUBCLASS 10 /* Next six codes are for interfaces. */ #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7 #define UMATCH_VENDOR_IFACESUBCLASS 6 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5 #define UMATCH_IFACECLASS_IFACESUBCLASS 4 #define UMATCH_IFACECLASS 3 #define UMATCH_IFACECLASS_GENERIC 2 /* Generic driver */ #define UMATCH_GENERIC 1 /* No match */ #define UMATCH_NONE 0 #define IPL_USB IPL_BIO #define IPL_SOFTUSB IPL_SOFTNET #define splusb() splraise(IPL_SOFTUSB) #define splhardusb() splraise(IPL_USB) #endif /* _USBDI_H_ */