1 /* $NetBSD: usbdivar.h,v 1.84 2008/04/28 20:24:01 martin 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 * 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 #if defined(__NetBSD__) 35 #include <sys/callout.h> 36 #endif 37 38 /* From usb_mem.h */ 39 DECLARE_USB_DMA_T; 40 41 struct usbd_xfer; 42 struct usbd_pipe; 43 44 struct usbd_endpoint { 45 usb_endpoint_descriptor_t *edesc; 46 int refcnt; 47 }; 48 49 struct usbd_bus_methods { 50 usbd_status (*open_pipe)(struct usbd_pipe *pipe); 51 void (*soft_intr)(void *); 52 void (*do_poll)(struct usbd_bus *); 53 usbd_status (*allocm)(struct usbd_bus *, usb_dma_t *, 54 u_int32_t bufsize); 55 void (*freem)(struct usbd_bus *, usb_dma_t *); 56 struct usbd_xfer * (*allocx)(struct usbd_bus *); 57 void (*freex)(struct usbd_bus *, struct usbd_xfer *); 58 }; 59 60 struct usbd_pipe_methods { 61 usbd_status (*transfer)(usbd_xfer_handle xfer); 62 usbd_status (*start)(usbd_xfer_handle xfer); 63 void (*abort)(usbd_xfer_handle xfer); 64 void (*close)(usbd_pipe_handle pipe); 65 void (*cleartoggle)(usbd_pipe_handle pipe); 66 void (*done)(usbd_xfer_handle xfer); 67 }; 68 69 #if 0 /* notyet */ 70 struct usbd_tt { 71 struct usbd_hub *hub; 72 }; 73 #endif 74 75 struct usbd_port { 76 usb_port_status_t status; 77 u_int16_t power; /* mA of current on port */ 78 u_int8_t portno; 79 u_int8_t restartcnt; 80 #define USBD_RESTART_MAX 5 81 u_int8_t reattach; 82 struct usbd_device *device; /* Connected device */ 83 struct usbd_device *parent; /* The ports hub */ 84 #if 0 85 struct usbd_tt *tt; /* Transaction translator (if any) */ 86 #endif 87 }; 88 89 struct usbd_hub { 90 usbd_status (*explore)(usbd_device_handle hub); 91 void *hubsoftc; 92 usb_hub_descriptor_t hubdesc; 93 struct usbd_port ports[1]; 94 }; 95 96 /*****/ 97 98 struct usbd_bus { 99 /* Filled by HC driver */ 100 void *hci_private; 101 const struct usbd_bus_methods *methods; 102 u_int32_t pipe_size; /* size of a pipe struct */ 103 /* Filled by usb driver */ 104 struct usbd_device *root_hub; 105 usbd_device_handle devices[USB_MAX_DEVICES]; 106 char needs_explore;/* a hub a signalled a change */ 107 char use_polling; 108 device_t usbctl; 109 struct usb_device_stats stats; 110 int intr_context; 111 u_int no_intrs; 112 int usbrev; /* USB revision */ 113 #define USBREV_UNKNOWN 0 114 #define USBREV_PRE_1_0 1 115 #define USBREV_1_0 2 116 #define USBREV_1_1 3 117 #define USBREV_2_0 4 118 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" } 119 120 void *soft; /* soft interrupt cookie */ 121 #if defined(__NetBSD__) || defined(__OpenBSD__) 122 bus_dma_tag_t dmatag; /* DMA tag */ 123 #endif 124 }; 125 126 struct usbd_device { 127 struct usbd_bus *bus; /* our controller */ 128 struct usbd_pipe *default_pipe; /* pipe 0 */ 129 u_int8_t address; /* device addess */ 130 u_int8_t config; /* current configuration # */ 131 u_int8_t depth; /* distance from root hub */ 132 u_int8_t speed; /* low/full/high speed */ 133 u_int8_t self_powered; /* flag for self powered */ 134 u_int16_t power; /* mA the device uses */ 135 int16_t langid; /* language for strings */ 136 #define USBD_NOLANG (-1) 137 usb_event_cookie_t cookie; /* unique connection id */ 138 struct usbd_port *powersrc; /* upstream hub port, or 0 */ 139 struct usbd_device *myhub; /* upstream hub */ 140 struct usbd_port *myhsport; /* closest high speed port */ 141 struct usbd_endpoint def_ep; /* for pipe 0 */ 142 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */ 143 struct usbd_interface *ifaces; /* array of all interfaces */ 144 usb_device_descriptor_t ddesc; /* device descriptor */ 145 usb_config_descriptor_t *cdesc; /* full config descr */ 146 const struct usbd_quirks *quirks; /* device quirks, always set */ 147 struct usbd_hub *hub; /* only if this is a hub */ 148 device_t *subdevs; /* sub-devices, 0 terminated */ 149 }; 150 151 struct usbd_interface { 152 struct usbd_device *device; 153 usb_interface_descriptor_t *idesc; 154 int index; 155 int altindex; 156 struct usbd_endpoint *endpoints; 157 void *priv; 158 LIST_HEAD(, usbd_pipe) pipes; 159 }; 160 161 struct usbd_pipe { 162 struct usbd_interface *iface; 163 struct usbd_device *device; 164 struct usbd_endpoint *endpoint; 165 int refcnt; 166 char running; 167 char aborting; 168 SIMPLEQ_HEAD(, usbd_xfer) queue; 169 LIST_ENTRY(usbd_pipe) next; 170 171 usbd_xfer_handle intrxfer; /* used for repeating requests */ 172 char repeat; 173 int interval; 174 175 /* Filled by HC driver. */ 176 const struct usbd_pipe_methods *methods; 177 }; 178 179 struct usbd_xfer { 180 struct usbd_pipe *pipe; 181 void *priv; 182 void *buffer; 183 u_int32_t length; 184 u_int32_t actlen; 185 u_int16_t flags; 186 u_int32_t timeout; 187 usbd_status status; 188 usbd_callback callback; 189 volatile u_int8_t done; 190 u_int8_t busy_free; /* used for DIAGNOSTIC */ 191 #define XFER_FREE 0x46 192 #define XFER_BUSY 0x55 193 #define XFER_ONQU 0x9e 194 195 /* For control pipe */ 196 usb_device_request_t request; 197 198 /* For isoc */ 199 u_int16_t *frlengths; 200 int nframes; 201 202 /* For memory allocation */ 203 struct usbd_device *device; 204 usb_dma_t dmabuf; 205 206 u_int8_t rqflags; 207 #define URQ_REQUEST 0x01 208 #define URQ_AUTO_DMABUF 0x10 209 #define URQ_DEV_DMABUF 0x20 210 211 SIMPLEQ_ENTRY(usbd_xfer) next; 212 213 void *hcpriv; /* private use by the HC driver */ 214 u_int8_t hcflags; /* private use by the HC driver */ 215 #define UXFER_ABORTING 0x01 /* xfer is aborting. */ 216 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */ 217 218 usb_callout_t timeout_handle; 219 }; 220 221 void usbd_init(void); 222 void usbd_finish(void); 223 224 #ifdef USB_DEBUG 225 void usbd_dump_iface(struct usbd_interface *iface); 226 void usbd_dump_device(struct usbd_device *dev); 227 void usbd_dump_endpoint(struct usbd_endpoint *endp); 228 void usbd_dump_queue(usbd_pipe_handle pipe); 229 void usbd_dump_pipe(usbd_pipe_handle pipe); 230 #endif 231 232 /* Routines from usb_subr.c */ 233 int usbctlprint(void *, const char *); 234 void usb_delay_ms(usbd_bus_handle, u_int); 235 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *); 236 usbd_status usbd_setup_pipe(usbd_device_handle dev, 237 usbd_interface_handle iface, 238 struct usbd_endpoint *, int, 239 usbd_pipe_handle *pipe); 240 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int, 241 struct usbd_port *); 242 void usbd_remove_device(usbd_device_handle, struct usbd_port *); 243 int usbd_printBCD(char *, size_t, int); 244 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int); 245 void usb_free_device(usbd_device_handle); 246 247 usbd_status usb_insert_transfer(usbd_xfer_handle); 248 void usb_transfer_complete(usbd_xfer_handle); 249 void usb_disconnect_port(struct usbd_port *, device_ptr_t); 250 251 /* Routines from usb.c */ 252 void usb_needs_explore(usbd_device_handle); 253 void usb_needs_reattach(usbd_device_handle); 254 void usb_schedsoftintr(struct usbd_bus *); 255 256 /* 257 * XXX This check is extremely bogus. Bad Bad Bad. 258 */ 259 #if defined(DIAGNOSTIC) && 0 260 #define SPLUSBCHECK \ 261 do { int _s = splusb(), _su = splusb(); \ 262 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \ 263 _s, _su, __FILE__, __LINE__); \ 264 splx(_s); \ 265 } while (0) 266 #else 267 #define SPLUSBCHECK 268 #endif 269 270 /* Locator stuff. */ 271 272 #if defined(__NetBSD__) 273 #include "locators.h" 274 #elif defined(__FreeBSD__) || defined(__OpenBSD__) 275 /* XXX these values are used to statically bind some elements in the USB tree 276 * to specific driver instances. This should be somehow emulated in FreeBSD 277 * but can be done later on. 278 * The values are copied from the files.usb file in the NetBSD sources. 279 */ 280 #define UHUBCF_PORT_DEFAULT -1 281 #define UHUBCF_CONFIGURATION_DEFAULT -1 282 #define UHUBCF_INTERFACE_DEFAULT -1 283 #define UHUBCF_VENDOR_DEFAULT -1 284 #define UHUBCF_PRODUCT_DEFAULT -1 285 #define UHUBCF_RELEASE_DEFAULT -1 286 #endif 287 288 #if defined (__OpenBSD__) 289 #define UHUBCF_PORT 0 290 #define UHUBCF_CONFIGURATION 1 291 #define UHUBCF_INTERFACE 2 292 #define UHUBCF_VENDOR 3 293 #define UHUBCF_PRODUCT 4 294 #define UHUBCF_RELEASE 5 295 #endif 296 297 #define uhubcf_port cf_loc[USBDEVIFCF_PORT] 298 #define uhubcf_configuration cf_loc[USBDEVIFCF_CONFIGURATION] 299 #define uhubcf_interface cf_loc[USBDEVIFCF_INTERFACE] 300 #define uhubcf_vendor cf_loc[USBDEVIFCF_VENDOR] 301 #define uhubcf_product cf_loc[USBDEVIFCF_PRODUCT] 302 #define uhubcf_release cf_loc[USBDEVIFCF_RELEASE] 303 #define UHUB_UNK_PORT USBDEVIFCF_PORT_DEFAULT /* wildcarded 'port' */ 304 #define UHUB_UNK_CONFIGURATION USBDEVIFCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */ 305 #define UHUB_UNK_INTERFACE USBDEVIFCF_INTERFACE_DEFAULT /* wildcarded 'interface' */ 306 #define UHUB_UNK_VENDOR USBDEVIFCF_VENDOR_DEFAULT /* wildcarded 'vendor' */ 307 #define UHUB_UNK_PRODUCT USBDEVIFCF_PRODUCT_DEFAULT /* wildcarded 'product' */ 308 #define UHUB_UNK_RELEASE USBDEVIFCF_RELEASE_DEFAULT /* wildcarded 'release' */ 309 310