sys/bus/usb/usbdi.h

   1 /*      $NetBSD: usbdi.h,v 1.64 2004/10/23 13:26:34 augustss Exp $      */
   2 /*      $FreeBSD: src/sys/dev/usb/usbdi.h,v 1.59 2005/05/16 06:58:43 imp Exp $  */
   3 /*      $DragonFly: src/sys/bus/usb/usbdi.h,v 1.9 2007/06/28 06:32:31 hasso Exp $       */
   4
   5 /*
   6  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   7  * All rights reserved.
   8  *
   9  * This code is derived from software contributed to The NetBSD Foundation
  10  * by Lennart Augustsson (lennart@augustsson.net) at
  11  * Carlstedt Research & Technology.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *        This product includes software developed by the NetBSD
  24  *        Foundation, Inc. and its contributors.
  25  * 4. Neither the name of The NetBSD Foundation nor the names of its
  26  *    contributors may be used to endorse or promote products derived
  27  *    from this software without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  30  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  31  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  32  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  33  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  34  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  35  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  36  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  37  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  39  * POSSIBILITY OF SUCH DAMAGE.
  40  */
  41
  42 #ifndef _USBDI_H_
  43 #define _USBDI_H_
  44
  45 typedef struct usbd_bus         *usbd_bus_handle;
  46 typedef struct usbd_device      *usbd_device_handle;
  47 typedef struct usbd_interface   *usbd_interface_handle;
  48 typedef struct usbd_pipe        *usbd_pipe_handle;
  49 typedef struct usbd_xfer        *usbd_xfer_handle;
  50 typedef void                    *usbd_private_handle;
  51
  52 typedef enum {          /* keep in sync with usbd_status_msgs */
  53         USBD_NORMAL_COMPLETION = 0, /* must be 0 */
  54         USBD_IN_PROGRESS,       /* 1 */
  55         /* errors */
  56         USBD_PENDING_REQUESTS,  /* 2 */
  57         USBD_NOT_STARTED,       /* 3 */
  58         USBD_INVAL,             /* 4 */
  59         USBD_NOMEM,             /* 5 */
  60         USBD_CANCELLED,         /* 6 */
  61         USBD_BAD_ADDRESS,       /* 7 */
  62         USBD_IN_USE,            /* 8 */
  63         USBD_NO_ADDR,           /* 9 */
  64         USBD_SET_ADDR_FAILED,   /* 10 */
  65         USBD_NO_POWER,          /* 11 */
  66         USBD_TOO_DEEP,          /* 12 */
  67         USBD_IOERROR,           /* 13 */
  68         USBD_NOT_CONFIGURED,    /* 14 */
  69         USBD_TIMEOUT,           /* 15 */
  70         USBD_SHORT_XFER,        /* 16 */
  71         USBD_STALLED,           /* 17 */
  72         USBD_INTERRUPTED,       /* 18 */
  73
  74         USBD_ERROR_MAX          /* must be last */
  75 } usbd_status;
  76
  77 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
  78                               usbd_status);
  79
  80 /* Open flags */
  81 #define USBD_EXCLUSIVE_USE      0x01
  82
  83 /* Use default (specified by ep. desc.) interval on interrupt pipe */
  84 #define USBD_DEFAULT_INTERVAL   (-1)
  85
  86 /* Request flags */
  87 #define USBD_NO_COPY            0x01    /* do not copy data to DMA buffer */
  88 #define USBD_SYNCHRONOUS        0x02    /* wait for completion */
  89 /* in usb.h #define USBD_SHORT_XFER_OK  0x04*/  /* allow short reads */
  90 #define USBD_FORCE_SHORT_XFER   0x08    /* force last short packet on write */
  91
  92 #define USBD_NO_TIMEOUT 0
  93 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
  94
  95 #define USB_CDEV_MAJOR 108
  96
  97 usbd_status usbd_open_pipe(usbd_interface_handle, u_int8_t,
  98                            u_int8_t, usbd_pipe_handle *);
  99 usbd_status usbd_close_pipe(usbd_pipe_handle);
 100 usbd_status usbd_transfer(usbd_xfer_handle);
 101 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
 102 usbd_status usbd_free_xfer(usbd_xfer_handle);
 103 void usbd_setup_xfer(usbd_xfer_handle, usbd_pipe_handle,
 104                      usbd_private_handle, void *,
 105                      u_int32_t, u_int16_t, u_int32_t,
 106                      usbd_callback);
 107 void usbd_setup_default_xfer(usbd_xfer_handle, usbd_device_handle,
 108                              usbd_private_handle, u_int32_t,
 109                              usb_device_request_t *, void *,
 110                              u_int32_t, u_int16_t, usbd_callback);
 111 void usbd_setup_isoc_xfer(usbd_xfer_handle, usbd_pipe_handle,
 112                           usbd_private_handle, u_int16_t *,
 113                           u_int32_t, u_int16_t, usbd_callback);
 114 void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *,
 115                           void **, u_int32_t *, usbd_status *);
 116 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
 117                         (usbd_interface_handle, u_int8_t);
 118 usbd_status usbd_abort_pipe(usbd_pipe_handle);
 119 usbd_status usbd_abort_default_pipe(usbd_device_handle);
 120 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle);
 121 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle);
 122 void usbd_clear_endpoint_toggle(usbd_pipe_handle);
 123 usbd_status usbd_endpoint_count(usbd_interface_handle, u_int8_t *);
 124 usbd_status usbd_interface_count(usbd_device_handle, u_int8_t *);
 125 void usbd_interface2device_handle(usbd_interface_handle,
 126                                          usbd_device_handle *);
 127 usbd_status usbd_device2interface_handle(usbd_device_handle,
 128                               u_int8_t, usbd_interface_handle *);
 129
 130 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
 131 void *usbd_alloc_buffer(usbd_xfer_handle, u_int32_t);
 132 void usbd_free_buffer(usbd_xfer_handle);
 133 void *usbd_get_buffer(usbd_xfer_handle);
 134 usbd_status usbd_sync_transfer(usbd_xfer_handle);
 135 usbd_status usbd_open_pipe_intr(usbd_interface_handle, u_int8_t,
 136                                 u_int8_t, usbd_pipe_handle *,
 137                                 usbd_private_handle, void *,
 138                                 u_int32_t, usbd_callback, int);
 139 usbd_status usbd_do_request(usbd_device_handle, usb_device_request_t *, void *);
 140 usbd_status usbd_do_request_async(usbd_device_handle,
 141                                   usb_device_request_t *, void *);
 142 usbd_status usbd_do_request_flags(usbd_device_handle, usb_device_request_t *,
 143                                   void *, u_int16_t, int*, u_int32_t);
 144 usbd_status usbd_do_request_flags_pipe(usbd_device_handle, usbd_pipe_handle,
 145         usb_device_request_t *, void *, u_int16_t, int *, u_int32_t);
 146 usb_interface_descriptor_t *usbd_get_interface_descriptor
 147                                 (usbd_interface_handle);
 148 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle);
 149 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle);
 150 int usbd_get_speed(usbd_device_handle);
 151 usbd_status usbd_set_interface(usbd_interface_handle, int);
 152 int usbd_get_no_alts(usb_config_descriptor_t *, int);
 153 usbd_status  usbd_get_interface(usbd_interface_handle, u_int8_t *);
 154 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
 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 void usbd_devinfo(usbd_device_handle, int, char *);
 171 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
 172 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
 173                         (usbd_interface_handle, u_int8_t);
 174
 175 usbd_status usbd_reload_device_desc(usbd_device_handle);
 176
 177 int usbd_ratecheck(struct timeval *last);
 178
 179 usbd_status usbd_get_string(usbd_device_handle dev, int si, char *buf);
 180
 181 /* An iterator for descriptors. */
 182 typedef struct {
 183         const uByte *cur;
 184         const uByte *end;
 185 } usbd_desc_iter_t;
 186 void usb_desc_iter_init(usbd_device_handle dev, usbd_desc_iter_t *iter);
 187 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *iter);
 188
 189 /*
 190  * The usb_task structs form a queue of things to run in the USB event
 191  * thread.  Normally this is just device discovery when a connect/disconnect
 192  * has been detected.  But it may also be used by drivers that need to
 193  * perform (short) tasks that must have a process context.
 194  */
 195 struct usb_task {
 196         TAILQ_ENTRY(usb_task) next;
 197         void (*fun)(void *);
 198         void *arg;
 199         int queue;
 200 };
 201 #define USB_TASKQ_HC            0
 202 #define USB_TASKQ_DRIVER        1
 203 #define USB_NUM_TASKQS          2
 204 #define USB_TASKQ_NAMES         {"usbtask-hc", "usbtask-dr"}
 205
 206 void usb_do_task(usbd_device_handle, struct usb_task *, int, int);
 207 void usb_add_task(usbd_device_handle, struct usb_task *, int);
 208 void usb_rem_task(usbd_device_handle, struct usb_task *);
 209 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->queue = -1)
 210
 211 struct usb_devno {
 212         u_int16_t ud_vendor;
 213         u_int16_t ud_product;
 214 };
 215 const struct usb_devno *usb_match_device(const struct usb_devno *,
 216         u_int, u_int, u_int16_t, u_int16_t);
 217 #define usb_lookup(tbl, vendor, product) \
 218         usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
 219 #define USB_PRODUCT_ANY         0xffff
 220
 221 /* NetBSD attachment information */
 222
 223 /* Attach data */
 224 struct usb_attach_arg {
 225         int                     port;
 226         int                     configno;
 227         int                     ifaceno;
 228         int                     vendor;
 229         int                     product;
 230         int                     release;
 231         int                     matchlvl;
 232         usbd_device_handle      device; /* current device */
 233         usbd_interface_handle   iface; /* current interface */
 234         int                     usegeneric;
 235         usbd_interface_handle  *ifaces; /* all interfaces */
 236         int                     nifaces; /* number of interfaces */
 237 };
 238
 239 /* FreeBSD needs values less than zero */
 240 #define UMATCH_VENDOR_PRODUCT_REV                       (-10)
 241 #define UMATCH_VENDOR_PRODUCT                           (-20)
 242 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO                 (-30)
 243 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO            (-40)
 244 #define UMATCH_DEVCLASS_DEVSUBCLASS                     (-50)
 245 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE            (-60)
 246 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE                (-70)
 247 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO          (-80)
 248 #define UMATCH_VENDOR_IFACESUBCLASS                     (-90)
 249 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO      (-100)
 250 #define UMATCH_IFACECLASS_IFACESUBCLASS                 (-110)
 251 #define UMATCH_IFACECLASS                               (-120)
 252 #define UMATCH_IFACECLASS_GENERIC                       (-130)
 253 #define UMATCH_GENERIC                                  (-140)
 254 #define UMATCH_NONE                                     (ENXIO)
 255
 256 #define USBD_SHOW_DEVICE_CLASS          0x1
 257 #define USBD_SHOW_INTERFACE_CLASS       0x2
 258
 259 int usbd_driver_load(module_t mod, int what, void *arg);
 260
 261 static __inline int
 262 usb_get_port(device_t dev)
 263 {
 264         struct usb_attach_arg *uap = device_get_ivars(dev);
 265         return (uap->port);
 266 }
 267
 268 static __inline struct usbd_interface *
 269 usb_get_iface(device_t dev)
 270 {
 271         struct usb_attach_arg *uap = device_get_ivars(dev);
 272         return (uap->iface);
 273 }
 274
 275 #define IPL_USB IPL_BIO
 276
 277 #endif /* _USBDI_H_ */