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usbdivar.h revision 1.4
      1 /*	$NetBSD: usbdivar.h,v 1.4 1998/07/25 15:22:11 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Author: Lennart Augustsson <augustss (at) carlstedt.se>
      8  *         Carlstedt Research & Technology
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 struct usbd_request;
     40 struct usbd_pipe;
     41 
     42 struct usbd_endpoint {
     43 	usb_endpoint_descriptor_t *edesc;
     44 	usbd_endpoint_state	state;
     45 	int			refcnt;
     46 	int			toggle;	/* XXX */
     47 };
     48 
     49 typedef void (*usbd_xfercb)__P((usbd_request_handle req));
     50 
     51 struct usbd_methods {
     52 	usbd_status	      (*transfer)__P((usbd_request_handle reqh));
     53 	void		      (*abort)__P((usbd_request_handle reqh));
     54 	void		      (*close)__P((usbd_pipe_handle pipe));
     55 };
     56 
     57 struct usbd_port {
     58 	usb_port_status_t	status;
     59 	int 			power;	/* mA of current on port */
     60 	struct usbd_device     *device;
     61 	struct usbd_device     *parent;	/* The ports hub */
     62 };
     63 
     64 struct usbd_hub {
     65 	usbd_status	      (*explore)__P((struct device *parent,
     66 					     usbd_device_handle hub));
     67 	void		       *hubdata;
     68 	usb_hub_descriptor_t	hubdesc;
     69 	struct usbd_port        ports[1];
     70 };
     71 
     72 struct usb_softc;
     73 
     74 /*****/
     75 
     76 struct usbd_bus {
     77 	/* Filled by HC driver */
     78 	struct device		bdev; /* base device */
     79 	usbd_status	      (*open_pipe)__P((struct usbd_pipe *pipe));
     80 	u_int32_t		pipe_size; /* size of a pipe struct */
     81 	/* Filled by usb driver */
     82 	struct usbd_device     *root_hub;
     83 	usbd_device_handle	devices[USB_MAX_DEVICES];
     84 	char			needs_explore;/* a hub a signalled a change */
     85 	struct usb_softc       *usbctl;
     86 	struct usb_device_stats	stats;
     87 };
     88 
     89 struct usbd_device {
     90 	struct usbd_bus	       *bus;
     91 	usbd_device_state	state;
     92 	struct usbd_pipe       *default_pipe;
     93 	u_int8_t		address;
     94 	u_int8_t		depth;
     95 	u_int8_t		lowspeed;
     96 	u_int16_t		power;
     97 	u_int8_t		self_powered;
     98 	int			config;
     99 	struct usbd_port       *powersrc;
    100 	struct usbd_endpoint	def_ep;	/* for pipe 0 */
    101 	usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
    102 	struct usbd_interface  *ifaces;
    103 	usb_device_descriptor_t ddesc;
    104 	usb_config_descriptor_t *cdesc;	/* full config descr */
    105 	struct usbd_quirks     *quirks;
    106 	struct usbd_hub	       *hub; /* only if this is a hub */
    107 };
    108 
    109 struct usbd_interface {
    110 	struct usbd_device     *device;
    111 	usbd_interface_state	state;
    112 	usb_interface_descriptor_t *idesc;
    113 	struct usbd_endpoint   *endpoints;
    114 	void		       *priv;
    115 	LIST_HEAD(, usbd_pipe)	pipes;
    116 };
    117 
    118 struct usbd_pipe {
    119 	struct usbd_interface  *iface;
    120 	struct usbd_device     *device;
    121 	struct usbd_endpoint   *endpoint;
    122 	usbd_pipe_state		state;
    123 	int32_t			refcnt;
    124 	char			running;
    125 	SIMPLEQ_HEAD(, usbd_request) queue;
    126 	LIST_ENTRY(usbd_pipe)	next;
    127 
    128 	void		      (*disco) __P((void *));
    129 	void		       *discoarg;
    130 
    131 	usbd_request_handle     intrreqh; /* used for repeating requests */
    132 	usbd_request_handle     curreqh; /* currently running request */
    133 
    134 	/* Filled by HC driver. */
    135 	struct usbd_methods    *methods;
    136 };
    137 
    138 struct usbd_request {
    139 	struct usbd_pipe       *pipe;
    140 	void		       *priv;
    141 	void		       *buffer;
    142 	u_int32_t		length;
    143 	u_int32_t		actlen;
    144 	u_int16_t		flags;
    145 	u_int32_t		timeout;
    146 	usbd_status		status;
    147 	usbd_callback		callback;
    148 	usbd_xfercb		xfercb;
    149 	u_int32_t		retries;
    150 	char			done;
    151 
    152 	usb_device_request_t	request;
    153 	u_int8_t		isreq;
    154 
    155 	SIMPLEQ_ENTRY(usbd_request) next;
    156 
    157 	void		       *hcpriv; /* XXX private use by the HC driver */
    158 };
    159 
    160 void usbd_init __P((void));
    161 
    162 /* Routines from usb_subr.c */
    163 int		usbctlprint __P((void *, const char *));
    164 void		usbd_delay_ms __P((int));
    165 void		usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
    166 usbd_status	usbd_set_config_no __P((usbd_device_handle, int));
    167 usbd_status	usbd_reset_port __P((usbd_device_handle dev,
    168 				     int port, usb_port_status_t *ps));
    169 usbd_status	usbd_setup_pipe __P((usbd_device_handle dev,
    170 				     usbd_interface_handle iface,
    171 				     struct usbd_endpoint *,
    172 				     usbd_pipe_handle *pipe));
    173 usbd_status	usbd_new_device __P((struct device *parent,
    174 				     usbd_bus_handle bus, int depth,
    175 				     int lowspeed, int port,
    176 				     struct usbd_port *));
    177 int		usbd_printBCD __P((char *cp, int bcd));
    178 
    179 /* Routines from usb.c */
    180 int		usb_bus_count __P((void));
    181 usbd_status	usb_get_bus_handle __P((int, usbd_bus_handle *));
    182 void		usb_needs_explore __P((usbd_bus_handle));
    183 
    184 extern	int usbd_use_polling;
    185 
    186 /* Locator stuff. */
    187 
    188 #include "locators.h"
    189 
    190 #define	uhubcf_port	cf_loc[UHUBCF_PORT]
    191 #define	UHUB_UNK_PORT	UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
    192 
    193 /* Junk. */
    194 
    195 /* XXX */
    196 #define splusb splbio
    197 #define IPL_USB IPL_BIO
    198 /* XXX */
    199 
    200