1 /* $NetBSD: usbdivar.h,v 1.81 2007/07/09 21:01:25 ad Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/usbdivar.h,v 1.11 1999/11/17 22:33:51 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 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #if defined(__NetBSD__) 42 #include <sys/callout.h> 43 #endif 44 45 /* From usb_mem.h */ 46 DECLARE_USB_DMA_T; 47 48 struct usbd_xfer; 49 struct usbd_pipe; 50 51 struct usbd_endpoint { 52 usb_endpoint_descriptor_t *edesc; 53 int refcnt; 54 }; 55 56 struct usbd_bus_methods { 57 usbd_status (*open_pipe)(struct usbd_pipe *pipe); 58 void (*soft_intr)(void *); 59 void (*do_poll)(struct usbd_bus *); 60 usbd_status (*allocm)(struct usbd_bus *, usb_dma_t *, 61 u_int32_t bufsize); 62 void (*freem)(struct usbd_bus *, usb_dma_t *); 63 struct usbd_xfer * (*allocx)(struct usbd_bus *); 64 void (*freex)(struct usbd_bus *, struct usbd_xfer *); 65 }; 66 67 struct usbd_pipe_methods { 68 usbd_status (*transfer)(usbd_xfer_handle xfer); 69 usbd_status (*start)(usbd_xfer_handle xfer); 70 void (*abort)(usbd_xfer_handle xfer); 71 void (*close)(usbd_pipe_handle pipe); 72 void (*cleartoggle)(usbd_pipe_handle pipe); 73 void (*done)(usbd_xfer_handle xfer); 74 }; 75 76 #if 0 /* notyet */ 77 struct usbd_tt { 78 struct usbd_hub *hub; 79 }; 80 #endif 81 82 struct usbd_port { 83 usb_port_status_t status; 84 u_int16_t power; /* mA of current on port */ 85 u_int8_t portno; 86 u_int8_t restartcnt; 87 #define USBD_RESTART_MAX 5 88 u_int8_t reattach; 89 struct usbd_device *device; /* Connected device */ 90 struct usbd_device *parent; /* The ports hub */ 91 #if 0 92 struct usbd_tt *tt; /* Transaction translator (if any) */ 93 #endif 94 }; 95 96 struct usbd_hub { 97 usbd_status (*explore)(usbd_device_handle hub); 98 void *hubsoftc; 99 usb_hub_descriptor_t hubdesc; 100 struct usbd_port ports[1]; 101 }; 102 103 struct usb_softc; 104 105 /*****/ 106 107 struct usbd_bus { 108 /* Filled by HC driver */ 109 USBBASEDEVICE bdev; /* base device, host adapter */ 110 const struct usbd_bus_methods *methods; 111 u_int32_t pipe_size; /* size of a pipe struct */ 112 /* Filled by usb driver */ 113 struct usbd_device *root_hub; 114 usbd_device_handle devices[USB_MAX_DEVICES]; 115 char needs_explore;/* a hub a signalled a change */ 116 char use_polling; 117 struct usb_softc *usbctl; 118 struct usb_device_stats stats; 119 int intr_context; 120 u_int no_intrs; 121 int usbrev; /* USB revision */ 122 #define USBREV_UNKNOWN 0 123 #define USBREV_PRE_1_0 1 124 #define USBREV_1_0 2 125 #define USBREV_1_1 3 126 #define USBREV_2_0 4 127 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" } 128 129 void *soft; /* soft interrupt cookie */ 130 #if defined(__NetBSD__) || defined(__OpenBSD__) 131 bus_dma_tag_t dmatag; /* DMA tag */ 132 #endif 133 }; 134 135 struct usbd_device { 136 struct usbd_bus *bus; /* our controller */ 137 struct usbd_pipe *default_pipe; /* pipe 0 */ 138 u_int8_t address; /* device addess */ 139 u_int8_t config; /* current configuration # */ 140 u_int8_t depth; /* distance from root hub */ 141 u_int8_t speed; /* low/full/high speed */ 142 u_int8_t self_powered; /* flag for self powered */ 143 u_int16_t power; /* mA the device uses */ 144 int16_t langid; /* language for strings */ 145 #define USBD_NOLANG (-1) 146 usb_event_cookie_t cookie; /* unique connection id */ 147 struct usbd_port *powersrc; /* upstream hub port, or 0 */ 148 struct usbd_device *myhub; /* upstream hub */ 149 struct usbd_port *myhsport; /* closest high speed port */ 150 struct usbd_endpoint def_ep; /* for pipe 0 */ 151 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */ 152 struct usbd_interface *ifaces; /* array of all interfaces */ 153 usb_device_descriptor_t ddesc; /* device descriptor */ 154 usb_config_descriptor_t *cdesc; /* full config descr */ 155 const struct usbd_quirks *quirks; /* device quirks, always set */ 156 struct usbd_hub *hub; /* only if this is a hub */ 157 device_ptr_t *subdevs; /* sub-devices, 0 terminated */ 158 }; 159 160 struct usbd_interface { 161 struct usbd_device *device; 162 usb_interface_descriptor_t *idesc; 163 int index; 164 int altindex; 165 struct usbd_endpoint *endpoints; 166 void *priv; 167 LIST_HEAD(, usbd_pipe) pipes; 168 }; 169 170 struct usbd_pipe { 171 struct usbd_interface *iface; 172 struct usbd_device *device; 173 struct usbd_endpoint *endpoint; 174 int refcnt; 175 char running; 176 char aborting; 177 SIMPLEQ_HEAD(, usbd_xfer) queue; 178 LIST_ENTRY(usbd_pipe) next; 179 180 usbd_xfer_handle intrxfer; /* used for repeating requests */ 181 char repeat; 182 int interval; 183 184 /* Filled by HC driver. */ 185 const struct usbd_pipe_methods *methods; 186 }; 187 188 struct usbd_xfer { 189 struct usbd_pipe *pipe; 190 void *priv; 191 void *buffer; 192 u_int32_t length; 193 u_int32_t actlen; 194 u_int16_t flags; 195 u_int32_t timeout; 196 usbd_status status; 197 usbd_callback callback; 198 volatile u_int8_t done; 199 u_int8_t busy_free; /* used for DIAGNOSTIC */ 200 #define XFER_FREE 0x46 201 #define XFER_BUSY 0x55 202 #define XFER_ONQU 0x9e 203 204 /* For control pipe */ 205 usb_device_request_t request; 206 207 /* For isoc */ 208 u_int16_t *frlengths; 209 int nframes; 210 211 /* For memory allocation */ 212 struct usbd_device *device; 213 usb_dma_t dmabuf; 214 215 u_int8_t rqflags; 216 #define URQ_REQUEST 0x01 217 #define URQ_AUTO_DMABUF 0x10 218 #define URQ_DEV_DMABUF 0x20 219 220 SIMPLEQ_ENTRY(usbd_xfer) next; 221 222 void *hcpriv; /* private use by the HC driver */ 223 u_int8_t hcflags; /* private use by the HC driver */ 224 #define UXFER_ABORTING 0x01 /* xfer is aborting. */ 225 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */ 226 227 usb_callout_t timeout_handle; 228 }; 229 230 void usbd_init(void); 231 void usbd_finish(void); 232 233 #ifdef USB_DEBUG 234 void usbd_dump_iface(struct usbd_interface *iface); 235 void usbd_dump_device(struct usbd_device *dev); 236 void usbd_dump_endpoint(struct usbd_endpoint *endp); 237 void usbd_dump_queue(usbd_pipe_handle pipe); 238 void usbd_dump_pipe(usbd_pipe_handle pipe); 239 #endif 240 241 /* Routines from usb_subr.c */ 242 int usbctlprint(void *, const char *); 243 void usb_delay_ms(usbd_bus_handle, u_int); 244 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *); 245 usbd_status usbd_setup_pipe(usbd_device_handle dev, 246 usbd_interface_handle iface, 247 struct usbd_endpoint *, int, 248 usbd_pipe_handle *pipe); 249 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int, 250 struct usbd_port *); 251 void usbd_remove_device(usbd_device_handle, struct usbd_port *); 252 int usbd_printBCD(char *, size_t, int); 253 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int); 254 void usb_free_device(usbd_device_handle); 255 256 usbd_status usb_insert_transfer(usbd_xfer_handle); 257 void usb_transfer_complete(usbd_xfer_handle); 258 void usb_disconnect_port(struct usbd_port *, device_ptr_t); 259 260 /* Routines from usb.c */ 261 void usb_needs_explore(usbd_device_handle); 262 void usb_needs_reattach(usbd_device_handle); 263 void usb_schedsoftintr(struct usbd_bus *); 264 265 /* 266 * XXX This check is extremely bogus. Bad Bad Bad. 267 */ 268 #if defined(DIAGNOSTIC) && 0 269 #define SPLUSBCHECK \ 270 do { int _s = splusb(), _su = splusb(); \ 271 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \ 272 _s, _su, __FILE__, __LINE__); \ 273 splx(_s); \ 274 } while (0) 275 #else 276 #define SPLUSBCHECK 277 #endif 278 279 /* Locator stuff. */ 280 281 #if defined(__NetBSD__) 282 #include "locators.h" 283 #elif defined(__FreeBSD__) || defined(__OpenBSD__) 284 /* XXX these values are used to statically bind some elements in the USB tree 285 * to specific driver instances. This should be somehow emulated in FreeBSD 286 * but can be done later on. 287 * The values are copied from the files.usb file in the NetBSD sources. 288 */ 289 #define UHUBCF_PORT_DEFAULT -1 290 #define UHUBCF_CONFIGURATION_DEFAULT -1 291 #define UHUBCF_INTERFACE_DEFAULT -1 292 #define UHUBCF_VENDOR_DEFAULT -1 293 #define UHUBCF_PRODUCT_DEFAULT -1 294 #define UHUBCF_RELEASE_DEFAULT -1 295 #endif 296 297 #if defined (__OpenBSD__) 298 #define UHUBCF_PORT 0 299 #define UHUBCF_CONFIGURATION 1 300 #define UHUBCF_INTERFACE 2 301 #define UHUBCF_VENDOR 3 302 #define UHUBCF_PRODUCT 4 303 #define UHUBCF_RELEASE 5 304 #endif 305 306 #define uhubcf_port cf_loc[USBDEVIFCF_PORT] 307 #define uhubcf_configuration cf_loc[USBDEVIFCF_CONFIGURATION] 308 #define uhubcf_interface cf_loc[USBDEVIFCF_INTERFACE] 309 #define uhubcf_vendor cf_loc[USBDEVIFCF_VENDOR] 310 #define uhubcf_product cf_loc[USBDEVIFCF_PRODUCT] 311 #define uhubcf_release cf_loc[USBDEVIFCF_RELEASE] 312 #define UHUB_UNK_PORT USBDEVIFCF_PORT_DEFAULT /* wildcarded 'port' */ 313 #define UHUB_UNK_CONFIGURATION USBDEVIFCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */ 314 #define UHUB_UNK_INTERFACE USBDEVIFCF_INTERFACE_DEFAULT /* wildcarded 'interface' */ 315 #define UHUB_UNK_VENDOR USBDEVIFCF_VENDOR_DEFAULT /* wildcarded 'vendor' */ 316 #define UHUB_UNK_PRODUCT USBDEVIFCF_PRODUCT_DEFAULT /* wildcarded 'product' */ 317 #define UHUB_UNK_RELEASE USBDEVIFCF_RELEASE_DEFAULT /* wildcarded 'release' */ 318 319