1 /* $NetBSD: usbdivar.h,v 1.75 2005/12/11 12:24:01 christos 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 struct usbd_tt { 77 struct usbd_hub *hub; 78 }; 79 80 struct usbd_port { 81 usb_port_status_t status; 82 u_int16_t power; /* mA of current on port */ 83 u_int8_t portno; 84 u_int8_t restartcnt; 85 #define USBD_RESTART_MAX 5 86 u_int8_t reattach; 87 struct usbd_device *device; /* Connected device */ 88 struct usbd_device *parent; /* The ports hub */ 89 struct usbd_tt *tt; /* Transaction translator (if any) */ 90 }; 91 92 struct usbd_hub { 93 usbd_status (*explore)(usbd_device_handle hub); 94 void *hubsoftc; 95 usb_hub_descriptor_t hubdesc; 96 struct usbd_port ports[1]; 97 }; 98 99 struct usb_softc; 100 101 /*****/ 102 103 struct usbd_bus { 104 /* Filled by HC driver */ 105 USBBASEDEVICE bdev; /* base device, host adapter */ 106 struct usbd_bus_methods *methods; 107 u_int32_t pipe_size; /* size of a pipe struct */ 108 /* Filled by usb driver */ 109 struct usbd_device *root_hub; 110 usbd_device_handle devices[USB_MAX_DEVICES]; 111 char needs_explore;/* a hub a signalled a change */ 112 char use_polling; 113 struct usb_softc *usbctl; 114 struct usb_device_stats stats; 115 int intr_context; 116 u_int no_intrs; 117 int usbrev; /* USB revision */ 118 #define USBREV_UNKNOWN 0 119 #define USBREV_PRE_1_0 1 120 #define USBREV_1_0 2 121 #define USBREV_1_1 3 122 #define USBREV_2_0 4 123 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" } 124 125 #ifdef USB_USE_SOFTINTR 126 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS 127 void *soft; /* soft interrupt cookie */ 128 #else 129 struct callout softi; 130 #endif 131 #endif 132 133 #if defined(__NetBSD__) || defined(__OpenBSD__) 134 bus_dma_tag_t dmatag; /* DMA tag */ 135 #endif 136 }; 137 138 struct usbd_device { 139 struct usbd_bus *bus; /* our controller */ 140 struct usbd_pipe *default_pipe; /* pipe 0 */ 141 u_int8_t address; /* device addess */ 142 u_int8_t config; /* current configuration # */ 143 u_int8_t depth; /* distance from root hub */ 144 u_int8_t speed; /* low/full/high speed */ 145 u_int8_t self_powered; /* flag for self powered */ 146 u_int16_t power; /* mA the device uses */ 147 int16_t langid; /* language for strings */ 148 #define USBD_NOLANG (-1) 149 usb_event_cookie_t cookie; /* unique connection id */ 150 struct usbd_port *powersrc; /* upstream hub port, or 0 */ 151 struct usbd_device *myhub; /* upstream hub */ 152 struct usbd_port *myhsport; /* closest high speed port */ 153 struct usbd_endpoint def_ep; /* for pipe 0 */ 154 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */ 155 struct usbd_interface *ifaces; /* array of all interfaces */ 156 usb_device_descriptor_t ddesc; /* device descriptor */ 157 usb_config_descriptor_t *cdesc; /* full config descr */ 158 const struct usbd_quirks *quirks; /* device quirks, always set */ 159 struct usbd_hub *hub; /* only if this is a hub */ 160 device_ptr_t *subdevs; /* sub-devices, 0 terminated */ 161 }; 162 163 struct usbd_interface { 164 struct usbd_device *device; 165 usb_interface_descriptor_t *idesc; 166 int index; 167 int altindex; 168 struct usbd_endpoint *endpoints; 169 void *priv; 170 LIST_HEAD(, usbd_pipe) pipes; 171 }; 172 173 struct usbd_pipe { 174 struct usbd_interface *iface; 175 struct usbd_device *device; 176 struct usbd_endpoint *endpoint; 177 int refcnt; 178 char running; 179 char aborting; 180 SIMPLEQ_HEAD(, usbd_xfer) queue; 181 LIST_ENTRY(usbd_pipe) next; 182 183 usbd_xfer_handle intrxfer; /* used for repeating requests */ 184 char repeat; 185 int interval; 186 187 /* Filled by HC driver. */ 188 struct usbd_pipe_methods *methods; 189 }; 190 191 struct usbd_xfer { 192 struct usbd_pipe *pipe; 193 void *priv; 194 void *buffer; 195 u_int32_t length; 196 u_int32_t actlen; 197 u_int16_t flags; 198 u_int32_t timeout; 199 usbd_status status; 200 usbd_callback callback; 201 __volatile char done; 202 #ifdef DIAGNOSTIC 203 u_int32_t busy_free; 204 #define XFER_FREE 0x46524545 205 #define XFER_BUSY 0x42555359 206 #define XFER_ONQU 0x4f4e5155 207 #endif 208 209 /* For control pipe */ 210 usb_device_request_t request; 211 212 /* For isoc */ 213 u_int16_t *frlengths; 214 int nframes; 215 216 /* For memory allocation */ 217 struct usbd_device *device; 218 usb_dma_t dmabuf; 219 220 u_int8_t rqflags; 221 #define URQ_REQUEST 0x01 222 #define URQ_AUTO_DMABUF 0x10 223 #define URQ_DEV_DMABUF 0x20 224 225 SIMPLEQ_ENTRY(usbd_xfer) next; 226 227 void *hcpriv; /* private use by the HC driver */ 228 u_int8_t hcflags; /* private use by the HC driver */ 229 #define UXFER_ABORTING 0x01 /* xfer is aborting. */ 230 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */ 231 232 usb_callout_t timeout_handle; 233 }; 234 235 void usbd_init(void); 236 void usbd_finish(void); 237 238 #ifdef USB_DEBUG 239 void usbd_dump_iface(struct usbd_interface *iface); 240 void usbd_dump_device(struct usbd_device *dev); 241 void usbd_dump_endpoint(struct usbd_endpoint *endp); 242 void usbd_dump_queue(usbd_pipe_handle pipe); 243 void usbd_dump_pipe(usbd_pipe_handle pipe); 244 #endif 245 246 /* Routines from usb_subr.c */ 247 int usbctlprint(void *, const char *); 248 void usb_delay_ms(usbd_bus_handle, u_int); 249 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *); 250 usbd_status usbd_setup_pipe(usbd_device_handle dev, 251 usbd_interface_handle iface, 252 struct usbd_endpoint *, int, 253 usbd_pipe_handle *pipe); 254 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int, 255 struct usbd_port *); 256 void usbd_remove_device(usbd_device_handle, struct usbd_port *); 257 int usbd_printBCD(char *, size_t, int); 258 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int); 259 void usb_free_device(usbd_device_handle); 260 261 usbd_status usb_insert_transfer(usbd_xfer_handle); 262 void usb_transfer_complete(usbd_xfer_handle); 263 void usb_disconnect_port(struct usbd_port *, device_ptr_t); 264 265 /* Routines from usb.c */ 266 void usb_needs_explore(usbd_device_handle); 267 void usb_needs_reattach(usbd_device_handle); 268 void usb_schedsoftintr(struct usbd_bus *); 269 270 /* 271 * XXX This check is extremely bogus. Bad Bad Bad. 272 */ 273 #if defined(DIAGNOSTIC) && 0 274 #define SPLUSBCHECK \ 275 do { int _s = splusb(), _su = splusb(); \ 276 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \ 277 _s, _su, __FILE__, __LINE__); \ 278 splx(_s); \ 279 } while (0) 280 #else 281 #define SPLUSBCHECK 282 #endif 283 284 /* Locator stuff. */ 285 286 #if defined(__NetBSD__) 287 #include "locators.h" 288 #elif defined(__FreeBSD__) || defined(__OpenBSD__) 289 /* XXX these values are used to statically bind some elements in the USB tree 290 * to specific driver instances. This should be somehow emulated in FreeBSD 291 * but can be done later on. 292 * The values are copied from the files.usb file in the NetBSD sources. 293 */ 294 #define UHUBCF_PORT_DEFAULT -1 295 #define UHUBCF_CONFIGURATION_DEFAULT -1 296 #define UHUBCF_INTERFACE_DEFAULT -1 297 #define UHUBCF_VENDOR_DEFAULT -1 298 #define UHUBCF_PRODUCT_DEFAULT -1 299 #define UHUBCF_RELEASE_DEFAULT -1 300 #endif 301 302 #if defined (__OpenBSD__) 303 #define UHUBCF_PORT 0 304 #define UHUBCF_CONFIGURATION 1 305 #define UHUBCF_INTERFACE 2 306 #define UHUBCF_VENDOR 3 307 #define UHUBCF_PRODUCT 4 308 #define UHUBCF_RELEASE 5 309 #endif 310 311 #define uhubcf_port cf_loc[UHUBCF_PORT] 312 #define uhubcf_configuration cf_loc[UHUBCF_CONFIGURATION] 313 #define uhubcf_interface cf_loc[UHUBCF_INTERFACE] 314 #define uhubcf_vendor cf_loc[UHUBCF_VENDOR] 315 #define uhubcf_product cf_loc[UHUBCF_PRODUCT] 316 #define uhubcf_release cf_loc[UHUBCF_RELEASE] 317 #define UHUB_UNK_PORT UHUBCF_PORT_DEFAULT /* wildcarded 'port' */ 318 #define UHUB_UNK_CONFIGURATION UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */ 319 #define UHUB_UNK_INTERFACE UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */ 320 #define UHUB_UNK_VENDOR UHUBCF_VENDOR_DEFAULT /* wildcarded 'vendor' */ 321 #define UHUB_UNK_PRODUCT UHUBCF_PRODUCT_DEFAULT /* wildcarded 'product' */ 322 #define UHUB_UNK_RELEASE UHUBCF_RELEASE_DEFAULT /* wildcarded 'release' */ 323 324