1 /* $NetBSD: usbdi.h,v 1.89 2013/09/26 07:25:31 skrll 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 typedef struct usbd_bus *usbd_bus_handle; 38 typedef struct usbd_device *usbd_device_handle; 39 typedef struct usbd_interface *usbd_interface_handle; 40 typedef struct usbd_pipe *usbd_pipe_handle; 41 typedef struct usbd_xfer *usbd_xfer_handle; 42 typedef void *usbd_private_handle; 43 44 typedef enum { /* keep in sync with usbd_error_strs */ 45 USBD_NORMAL_COMPLETION = 0, /* must be 0 */ 46 USBD_IN_PROGRESS, /* 1 */ 47 /* errors */ 48 USBD_PENDING_REQUESTS, /* 2 */ 49 USBD_NOT_STARTED, /* 3 */ 50 USBD_INVAL, /* 4 */ 51 USBD_NOMEM, /* 5 */ 52 USBD_CANCELLED, /* 6 */ 53 USBD_BAD_ADDRESS, /* 7 */ 54 USBD_IN_USE, /* 8 */ 55 USBD_NO_ADDR, /* 9 */ 56 USBD_SET_ADDR_FAILED, /* 10 */ 57 USBD_NO_POWER, /* 11 */ 58 USBD_TOO_DEEP, /* 12 */ 59 USBD_IOERROR, /* 13 */ 60 USBD_NOT_CONFIGURED, /* 14 */ 61 USBD_TIMEOUT, /* 15 */ 62 USBD_SHORT_XFER, /* 16 */ 63 USBD_STALLED, /* 17 */ 64 USBD_INTERRUPTED, /* 18 */ 65 66 USBD_ERROR_MAX /* must be last */ 67 } usbd_status; 68 69 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle, 70 usbd_status); 71 72 /* Open flags */ 73 #define USBD_EXCLUSIVE_USE 0x01 74 #define USBD_MPSAFE 0x80 75 76 /* Use default (specified by ep. desc.) interval on interrupt pipe */ 77 #define USBD_DEFAULT_INTERVAL (-1) 78 79 /* Request flags */ 80 #define USBD_NO_COPY 0x01 /* do not copy data to DMA buffer */ 81 #define USBD_SYNCHRONOUS 0x02 /* wait for completion */ 82 /* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */ 83 #define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */ 84 #define USBD_SYNCHRONOUS_SIG 0x10 /* if waiting for completion, 85 * also take signals */ 86 87 #define USBD_NO_TIMEOUT 0 88 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */ 89 #define USBD_CONFIG_TIMEOUT (3*USBD_DEFAULT_TIMEOUT) 90 91 #define DEVINFOSIZE 1024 92 93 usbd_status usbd_open_pipe(usbd_interface_handle, u_int8_t, 94 u_int8_t, usbd_pipe_handle *); 95 usbd_status usbd_close_pipe(usbd_pipe_handle); 96 usbd_status usbd_transfer(usbd_xfer_handle); 97 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle); 98 usbd_status usbd_free_xfer(usbd_xfer_handle); 99 void usbd_setup_xfer(usbd_xfer_handle, usbd_pipe_handle, 100 usbd_private_handle, void *, 101 u_int32_t, u_int16_t, u_int32_t, 102 usbd_callback); 103 void usbd_setup_default_xfer(usbd_xfer_handle, usbd_device_handle, 104 usbd_private_handle, u_int32_t, 105 usb_device_request_t *, void *, 106 u_int32_t, u_int16_t, usbd_callback); 107 void usbd_setup_isoc_xfer(usbd_xfer_handle, usbd_pipe_handle, 108 usbd_private_handle, u_int16_t *, 109 u_int32_t, u_int16_t, usbd_callback); 110 void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *, 111 void **, u_int32_t *, usbd_status *); 112 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor 113 (usbd_interface_handle, u_int8_t); 114 usbd_status usbd_abort_pipe(usbd_pipe_handle); 115 usbd_status usbd_abort_default_pipe(usbd_device_handle); 116 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle); 117 void usbd_clear_endpoint_stall_async(usbd_pipe_handle); 118 void usbd_clear_endpoint_toggle(usbd_pipe_handle); 119 usbd_status usbd_endpoint_count(usbd_interface_handle, u_int8_t *); 120 usbd_status usbd_interface_count(usbd_device_handle, u_int8_t *); 121 void usbd_interface2device_handle(usbd_interface_handle, 122 usbd_device_handle *); 123 usbd_status usbd_device2interface_handle(usbd_device_handle, 124 u_int8_t, usbd_interface_handle *); 125 126 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle); 127 void *usbd_alloc_buffer(usbd_xfer_handle, u_int32_t); 128 void usbd_free_buffer(usbd_xfer_handle); 129 void *usbd_get_buffer(usbd_xfer_handle); 130 usbd_status usbd_sync_transfer(usbd_xfer_handle); 131 usbd_status usbd_sync_transfer_sig(usbd_xfer_handle); 132 usbd_status usbd_open_pipe_intr(usbd_interface_handle, u_int8_t, 133 u_int8_t, usbd_pipe_handle *, 134 usbd_private_handle, void *, 135 u_int32_t, usbd_callback, int); 136 usbd_status usbd_do_request(usbd_device_handle, usb_device_request_t *, void *); 137 usbd_status usbd_do_request_async(usbd_device_handle, 138 usb_device_request_t *, void *); 139 usbd_status usbd_do_request_flags(usbd_device_handle, usb_device_request_t *, 140 void *, u_int16_t, int*, u_int32_t); 141 usbd_status usbd_do_request_flags_pipe(usbd_device_handle, usbd_pipe_handle, 142 usb_device_request_t *, void *, u_int16_t, int *, u_int32_t); 143 usb_interface_descriptor_t *usbd_get_interface_descriptor 144 (usbd_interface_handle); 145 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle); 146 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle); 147 usbd_status usbd_set_interface(usbd_interface_handle, int); 148 int usbd_get_no_alts(usb_config_descriptor_t *, int); 149 usbd_status usbd_get_interface(usbd_interface_handle, u_int8_t *); 150 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int); 151 #ifdef COMPAT_30 152 void usbd_fill_deviceinfo_old(usbd_device_handle, struct usb_device_info_old *, 153 int); 154 #endif 155 int usbd_get_interface_altindex(usbd_interface_handle); 156 157 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *, 158 int, int); 159 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *, 160 int, int, int); 161 162 void usbd_dopoll(usbd_interface_handle); 163 void usbd_set_polling(usbd_device_handle, int); 164 165 const char *usbd_errstr(usbd_status); 166 167 void usbd_add_dev_event(int, usbd_device_handle); 168 void usbd_add_drv_event(int, usbd_device_handle, device_t); 169 170 char *usbd_devinfo_alloc(usbd_device_handle, int); 171 void usbd_devinfo_free(char *); 172 173 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle); 174 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor 175 (usbd_interface_handle, u_int8_t); 176 177 usbd_status usbd_reload_device_desc(usbd_device_handle); 178 179 int usbd_ratecheck(struct timeval *); 180 181 usbd_status usbd_get_string(usbd_device_handle, int, char *); 182 usbd_status usbd_get_string0(usbd_device_handle, int, char *, int); 183 184 /* An iterator for descriptors. */ 185 typedef struct { 186 const uByte *cur; 187 const uByte *end; 188 } usbd_desc_iter_t; 189 void usb_desc_iter_init(usbd_device_handle, usbd_desc_iter_t *); 190 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *); 191 192 /* Used to clear endpoint stalls from the softint */ 193 void usbd_clear_endpoint_stall_task(void *); 194 195 /* 196 * The usb_task structs form a queue of things to run in the USB event 197 * thread. Normally this is just device discovery when a connect/disconnect 198 * has been detected. But it may also be used by drivers that need to 199 * perform (short) tasks that must have a process context. 200 */ 201 struct usb_task { 202 TAILQ_ENTRY(usb_task) next; 203 void (*fun)(void *); 204 void *arg; 205 int queue; 206 int flags; 207 }; 208 #define USB_TASKQ_HC 0 209 #define USB_TASKQ_DRIVER 1 210 #define USB_NUM_TASKQS 2 211 #define USB_TASKQ_NAMES {"usbtask-hc", "usbtask-dr"} 212 #define USB_TASKQ_MPSAFE 0x80 213 214 void usb_add_task(usbd_device_handle, struct usb_task *, int); 215 void usb_rem_task(usbd_device_handle, struct usb_task *); 216 #define usb_init_task(t, f, a, fl) ((t)->fun = (f), (t)->arg = (a), (t)->queue = -1, (t)->flags = (fl)) 217 218 struct usb_devno { 219 u_int16_t ud_vendor; 220 u_int16_t ud_product; 221 }; 222 const struct usb_devno *usb_match_device(const struct usb_devno *, 223 u_int, u_int, u_int16_t, u_int16_t); 224 #define usb_lookup(tbl, vendor, product) \ 225 usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product)) 226 #define USB_PRODUCT_ANY 0xffff 227 228 /* NetBSD attachment information */ 229 230 /* Attach data */ 231 struct usb_attach_arg { 232 int port; 233 int vendor; 234 int product; 235 int release; 236 usbd_device_handle device; /* current device */ 237 int class, subclass, proto; 238 int usegeneric; 239 }; 240 241 struct usbif_attach_arg { 242 int port; 243 int configno; 244 int ifaceno; 245 int vendor; 246 int product; 247 int release; 248 usbd_device_handle device; /* current device */ 249 250 usbd_interface_handle iface; /* current interface */ 251 int class, subclass, proto; 252 253 /* XXX need accounting for interfaces not matched to */ 254 255 usbd_interface_handle *ifaces; /* all interfaces */ 256 int nifaces; /* number of interfaces */ 257 }; 258 259 /* Match codes. */ 260 #define UMATCH_HIGHEST 15 261 /* First five codes is for a whole device. */ 262 #define UMATCH_VENDOR_PRODUCT_REV 14 263 #define UMATCH_VENDOR_PRODUCT 13 264 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12 265 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11 266 #define UMATCH_DEVCLASS_DEVSUBCLASS 10 267 /* Next six codes are for interfaces. */ 268 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9 269 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8 270 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7 271 #define UMATCH_VENDOR_IFACESUBCLASS 6 272 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5 273 #define UMATCH_IFACECLASS_IFACESUBCLASS 4 274 #define UMATCH_IFACECLASS 3 275 #define UMATCH_IFACECLASS_GENERIC 2 276 /* Generic driver */ 277 #define UMATCH_GENERIC 1 278 /* No match */ 279 #define UMATCH_NONE 0 280 281 282 /* 283 * IPL_USB is defined as IPL_VM for drivers that have not been made MP safe. 284 * IPL_VM (currently) takes the kernel lock. 285 * 286 * Eventually, IPL_USB can/should be changed 287 */ 288 #define splusb splsoftnet 289 #define splhardusb splvm 290 #define IPL_SOFTUSB IPL_SOFTNET 291 #define IPL_USB IPL_VM 292 293 #endif /* _USBDI_H_ */ 294