1/* $NetBSD: usbdi.h,v 1.108 2022/08/20 11:32:20 riastradh Exp $ */ 2/* $FreeBSD: src/sys/dev/usb/usbdi.h,v 1.18 1999/11/17 22:33:49 n_hibma Exp $ */ 3 4/* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#ifndef _USBDI_H_ 35#define _USBDI_H_ 36 37#include <sys/types.h> 38 39#include <dev/usb/usb.h> 40 41struct usbd_bus; 42struct usbd_device; 43struct usbd_interface; 44struct usbd_pipe; 45struct usbd_xfer; 46 47typedef enum { /* keep in sync with usbd_error_strs */ 48 USBD_NORMAL_COMPLETION = 0, /* must be 0 */ 49 USBD_IN_PROGRESS, /* 1 */ 50 /* errors */ 51 USBD_PENDING_REQUESTS, /* 2 */ 52 USBD_NOT_STARTED, /* 3 */ 53 USBD_INVAL, /* 4 */ 54 USBD_NOMEM, /* 5 */ 55 USBD_CANCELLED, /* 6 */ 56 USBD_BAD_ADDRESS, /* 7 */ 57 USBD_IN_USE, /* 8 */ 58 USBD_NO_ADDR, /* 9 */ 59 USBD_SET_ADDR_FAILED, /* 10 */ 60 USBD_NO_POWER, /* 11 */ 61 USBD_TOO_DEEP, /* 12 */ 62 USBD_IOERROR, /* 13 */ 63 USBD_NOT_CONFIGURED, /* 14 */ 64 USBD_TIMEOUT, /* 15 */ 65 USBD_SHORT_XFER, /* 16 */ 66 USBD_STALLED, /* 17 */ 67 USBD_INTERRUPTED, /* 18 */ 68 69 USBD_ERROR_MAX /* must be last */ 70} usbd_status; 71 72typedef void (*usbd_callback)(struct usbd_xfer *, void *, usbd_status); 73 74/* Use default (specified by ep. desc.) interval on interrupt pipe */ 75#define USBD_DEFAULT_INTERVAL (-1) 76 77/* Open flags */ 78#define USBD_EXCLUSIVE_USE 0x01 79#define USBD_MPSAFE 0x80 80 81/* Request flags */ 82#define USBD_SYNCHRONOUS 0x02 /* wait for completion */ 83/* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */ 84#define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */ 85#define USBD_SYNCHRONOUS_SIG 0x10 /* if waiting for completion, 86 * also take signals */ 87 88#define USBD_NO_TIMEOUT 0 89#define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */ 90#define USBD_CONFIG_TIMEOUT (3*USBD_DEFAULT_TIMEOUT) 91 92#define DEVINFOSIZE 1024 93 94usbd_status usbd_open_pipe_intr(struct usbd_interface *, uint8_t, uint8_t, 95 struct usbd_pipe **, void *, void *, uint32_t, usbd_callback, int); 96usbd_status usbd_open_pipe(struct usbd_interface *, uint8_t, uint8_t, 97 struct usbd_pipe **); 98void usbd_close_pipe(struct usbd_pipe *); 99 100usbd_status usbd_transfer(struct usbd_xfer *); 101 102void *usbd_get_buffer(struct usbd_xfer *); 103struct usbd_pipe *usbd_get_pipe0(struct usbd_device *); 104 105int usbd_create_xfer(struct usbd_pipe *, size_t, unsigned int, unsigned int, 106 struct usbd_xfer **); 107void usbd_destroy_xfer(struct usbd_xfer *); 108 109void usbd_setup_xfer(struct usbd_xfer *, void *, void *, 110 uint32_t, uint16_t, uint32_t, usbd_callback); 111 112void usbd_setup_default_xfer(struct usbd_xfer *, struct usbd_device *, 113 void *, uint32_t, usb_device_request_t *, void *, 114 uint32_t, uint16_t, usbd_callback); 115 116void usbd_setup_isoc_xfer(struct usbd_xfer *, void *, uint16_t *, 117 uint32_t, uint16_t, usbd_callback); 118 119void usbd_get_xfer_status(struct usbd_xfer *, void **, 120 void **, uint32_t *, usbd_status *); 121 122usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor 123 (struct usbd_interface *, uint8_t); 124 125void usbd_abort_pipe(struct usbd_pipe *); 126void usbd_abort_default_pipe(struct usbd_device *); 127 128void usbd_suspend_pipe(struct usbd_pipe *); 129void usbd_resume_pipe(struct usbd_pipe *); 130 131usbd_status usbd_clear_endpoint_stall(struct usbd_pipe *); 132void usbd_clear_endpoint_stall_async(struct usbd_pipe *); 133 134void usbd_clear_endpoint_toggle(struct usbd_pipe *); 135usbd_status usbd_endpoint_count(struct usbd_interface *, uint8_t *); 136 137usbd_status usbd_interface_count(struct usbd_device *, uint8_t *); 138 139void usbd_interface2device_handle(struct usbd_interface *, struct usbd_device **); 140usbd_status usbd_device2interface_handle(struct usbd_device *, 141 uint8_t, struct usbd_interface **); 142 143struct usbd_device *usbd_pipe2device_handle(struct usbd_pipe *); 144 145usbd_status usbd_sync_transfer(struct usbd_xfer *); 146usbd_status usbd_sync_transfer_sig(struct usbd_xfer *); 147 148usbd_status usbd_do_request(struct usbd_device *, usb_device_request_t *, void *); 149usbd_status usbd_do_request_flags(struct usbd_device *, usb_device_request_t *, 150 void *, uint16_t, int *, uint32_t); 151usbd_status usbd_do_request_len(struct usbd_device *dev, 152 usb_device_request_t *req, size_t len, void *data, uint16_t flags, 153 int *actlen, uint32_t timeout); 154 155usb_interface_descriptor_t * 156 usbd_get_interface_descriptor(struct usbd_interface *); 157usb_endpoint_descriptor_t * 158 usbd_get_endpoint_descriptor(struct usbd_interface *, uint8_t); 159 160usb_config_descriptor_t *usbd_get_config_descriptor(struct usbd_device *); 161usb_device_descriptor_t *usbd_get_device_descriptor(struct usbd_device *); 162 163usbd_status usbd_set_interface(struct usbd_interface *, int); 164usbd_status usbd_get_interface(struct usbd_interface *, uint8_t *); 165 166int usbd_get_no_alts(usb_config_descriptor_t *, int); 167 168void usbd_fill_deviceinfo(struct usbd_device *, struct usb_device_info *, int); 169int usbd_get_interface_altindex(struct usbd_interface *); 170 171usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *, 172 int, int); 173usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *, 174 int, int, int); 175 176void usbd_dopoll(struct usbd_interface *); 177void usbd_set_polling(struct usbd_device *, int); 178 179const char *usbd_errstr(usbd_status); 180 181void usbd_add_dev_event(int, struct usbd_device *); 182void usbd_add_drv_event(int, struct usbd_device *, device_t); 183 184char *usbd_devinfo_alloc(struct usbd_device *, int); 185void usbd_devinfo_free(char *); 186 187const struct usbd_quirks *usbd_get_quirks(struct usbd_device *); 188 189usbd_status usbd_reload_device_desc(struct usbd_device *); 190 191int usbd_ratecheck(struct timeval *); 192 193usbd_status usbd_get_string(struct usbd_device *, int, char *); 194usbd_status usbd_get_string0(struct usbd_device *, int, char *, int); 195 196/* For use by HCI drivers, not USB device drivers */ 197void usbd_xfer_schedule_timeout(struct usbd_xfer *); 198bool usbd_xfer_trycomplete(struct usbd_xfer *); 199void usbd_xfer_abort(struct usbd_xfer *); 200 201/* Used to clear endpoint stalls from the softint */ 202void usbd_clear_endpoint_stall_task(void *); 203 204/* 205 * The usb_task structs form a queue of things to run in the USB event 206 * thread. Normally this is just device discovery when a connect/disconnect 207 * has been detected. But it may also be used by drivers that need to 208 * perform (short) tasks that must have a process context. 209 */ 210struct usb_task { 211 TAILQ_ENTRY(usb_task) next; 212 void (*fun)(void *); 213 void *arg; 214 volatile unsigned queue; 215 int flags; 216}; 217#define USB_TASKQ_HC 0 218#define USB_TASKQ_DRIVER 1 219#define USB_NUM_TASKQS 2 220#define USB_TASKQ_NAMES {"usbtask-hc", "usbtask-dr"} 221#define USB_TASKQ_MPSAFE 0x80 222 223void usb_add_task(struct usbd_device *, struct usb_task *, int); 224bool usb_rem_task(struct usbd_device *, struct usb_task *); 225bool usb_rem_task_wait(struct usbd_device *, struct usb_task *, int, 226 kmutex_t *); 227bool usb_task_pending(struct usbd_device *, struct usb_task *); 228#define usb_init_task(t, f, a, fl) ((t)->fun = (f), (t)->arg = (a), (t)->queue = USB_NUM_TASKQS, (t)->flags = (fl)) 229 230bool usb_in_event_thread(device_t); 231 232struct usb_devno { 233 uint16_t ud_vendor; 234 uint16_t ud_product; 235}; 236const struct usb_devno *usb_match_device(const struct usb_devno *, 237 u_int, u_int, uint16_t, uint16_t); 238#define usb_lookup(tbl, vendor, product) \ 239 usb_match_device((const struct usb_devno *)(tbl), sizeof(tbl) / sizeof((tbl)[0]), sizeof((tbl)[0]), (vendor), (product)) 240#define USB_PRODUCT_ANY 0xffff 241 242/* compat callbacks */ 243void usbd_devinfo_vp(struct usbd_device *, char *, size_t, char *, size_t, 244 int, int); 245int usbd_printBCD(char *, size_t, int); 246 247 248/* NetBSD attachment information */ 249 250/* Attach data */ 251struct usb_attach_arg { 252 int uaa_port; 253 int uaa_vendor; 254 int uaa_product; 255 int uaa_release; 256 struct usbd_device * uaa_device; /* current device */ 257 int uaa_class; 258 int uaa_subclass; 259 int uaa_proto; 260 int uaa_usegeneric; 261}; 262 263struct usbif_attach_arg { 264 int uiaa_port; 265 int uiaa_configno; 266 int uiaa_ifaceno; 267 int uiaa_vendor; 268 int uiaa_product; 269 int uiaa_release; 270 struct usbd_device * uiaa_device; /* current device */ 271 272 struct usbd_interface * uiaa_iface; /* current interface */ 273 int uiaa_class; 274 int uiaa_subclass; 275 int uiaa_proto; 276 277 /* XXX need accounting for interfaces not matched to */ 278 279 struct usbd_interface **uiaa_ifaces; /* all interfaces */ 280 int uiaa_nifaces; /* number of interfaces */ 281}; 282 283/* Match codes. */ 284#define UMATCH_HIGHEST 15 285/* First five codes is for a whole device. */ 286#define UMATCH_VENDOR_PRODUCT_REV 14 287#define UMATCH_VENDOR_PRODUCT 13 288#define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12 289#define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11 290#define UMATCH_DEVCLASS_DEVSUBCLASS 10 291/* Next six codes are for interfaces. */ 292#define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9 293#define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8 294#define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7 295#define UMATCH_VENDOR_IFACESUBCLASS 6 296#define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5 297#define UMATCH_IFACECLASS_IFACESUBCLASS 4 298#define UMATCH_IFACECLASS 3 299#define UMATCH_IFACECLASS_GENERIC 2 300/* Generic driver */ 301#define UMATCH_GENERIC 1 302/* No match */ 303#define UMATCH_NONE 0 304 305 306/* 307 * IPL_USB is defined as IPL_VM for drivers that have not been made MP safe. 308 * IPL_VM (currently) takes the kernel lock. 309 * 310 * Eventually, IPL_USB can/should be changed 311 */ 312#define IPL_USB IPL_VM 313#define splhardusb splvm 314 315#define SOFTINT_USB SOFTINT_SERIAL 316#define IPL_SOFTUSB IPL_SOFTSERIAL 317#define splusb splsoftserial 318 319#endif /* _USBDI_H_ */ 320