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usbdivar.h revision 1.10
      1 /*	$NetBSD: usbdivar.h,v 1.10 1998/12/09 00:18:12 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (augustss (at) carlstedt.se) at
      9  * Carlstedt Research & Technology.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *        This product includes software developed by the NetBSD
     22  *        Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 struct usbd_request;
     41 struct usbd_pipe;
     42 
     43 struct usbd_endpoint {
     44 	usb_endpoint_descriptor_t *edesc;
     45 	usbd_endpoint_state	state;
     46 	int			refcnt;
     47 	int			toggle;	/* XXX */
     48 };
     49 
     50 typedef void (*usbd_xfercb)__P((usbd_request_handle req));
     51 
     52 struct usbd_methods {
     53 	usbd_status	      (*transfer)__P((usbd_request_handle reqh));
     54 	void		      (*abort)__P((usbd_request_handle reqh));
     55 	void		      (*close)__P((usbd_pipe_handle pipe));
     56 	usbd_status	      (*isobuf)__P((usbd_pipe_handle pipe,
     57 					    u_int32_t bufsize,u_int32_t nbuf));
     58 };
     59 
     60 struct usbd_port {
     61 	usb_port_status_t	status;
     62 	int 			power;	/* mA of current on port */
     63 	struct usbd_device     *device;
     64 	struct usbd_device     *parent;	/* The ports hub */
     65 };
     66 
     67 struct usbd_hub {
     68 	usbd_status	      (*explore)__P((struct device *parent,
     69 					     usbd_device_handle hub));
     70 	void		       *hubdata;
     71 	usb_hub_descriptor_t	hubdesc;
     72 	struct usbd_port        ports[1];
     73 };
     74 
     75 struct usb_softc;
     76 
     77 /*****/
     78 
     79 struct usbd_bus {
     80 	/* Filled by HC driver */
     81 	struct device		bdev; /* base device */
     82 	usbd_status	      (*open_pipe)__P((struct usbd_pipe *pipe));
     83 	u_int32_t		pipe_size; /* size of a pipe struct */
     84 	void		      (*do_poll)__P((struct usbd_bus *));
     85 	/* Filled by usb driver */
     86 	struct usbd_device     *root_hub;
     87 	usbd_device_handle	devices[USB_MAX_DEVICES];
     88 	char			needs_explore;/* a hub a signalled a change */
     89 	char			use_polling;
     90 	struct usb_softc       *usbctl;
     91 	struct usb_device_stats	stats;
     92 };
     93 
     94 struct usbd_device {
     95 	struct usbd_bus	       *bus;
     96 	usbd_device_state	state;
     97 	struct usbd_pipe       *default_pipe;
     98 	u_int8_t		address;
     99 	u_int8_t		depth;
    100 	u_int8_t		lowspeed;
    101 	u_int16_t		power;
    102 	u_int8_t		self_powered;
    103 	int			config;
    104 	struct usbd_port       *powersrc;
    105 	struct usbd_endpoint	def_ep;	/* for pipe 0 */
    106 	usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
    107 	struct usbd_interface  *ifaces;
    108 	usb_device_descriptor_t ddesc;
    109 	usb_config_descriptor_t *cdesc;	/* full config descr */
    110 	struct usbd_quirks     *quirks;
    111 	struct usbd_hub	       *hub; /* only if this is a hub */
    112 };
    113 
    114 struct usbd_interface {
    115 	struct usbd_device     *device;
    116 	usbd_interface_state	state;
    117 	usb_interface_descriptor_t *idesc;
    118 	int			index;
    119 	int			altindex;
    120 	struct usbd_endpoint   *endpoints;
    121 	void		       *priv;
    122 	LIST_HEAD(, usbd_pipe)	pipes;
    123 };
    124 
    125 struct usbd_pipe {
    126 	struct usbd_interface  *iface;
    127 	struct usbd_device     *device;
    128 	struct usbd_endpoint   *endpoint;
    129 	usbd_pipe_state		state;
    130 	int32_t			refcnt;
    131 	char			running;
    132 	SIMPLEQ_HEAD(, usbd_request) queue;
    133 	LIST_ENTRY(usbd_pipe)	next;
    134 
    135 	void		      (*disco) __P((void *));
    136 	void		       *discoarg;
    137 
    138 	usbd_request_handle     intrreqh; /* used for repeating requests */
    139 	usbd_request_handle     curreqh; /* currently running request */
    140 
    141 	/* Filled by HC driver. */
    142 	struct usbd_methods    *methods;
    143 };
    144 
    145 struct usbd_request {
    146 	struct usbd_pipe       *pipe;
    147 	void		       *priv;
    148 	void		       *buffer;
    149 	u_int32_t		length;
    150 	u_int32_t		actlen;
    151 	u_int16_t		flags;
    152 	u_int32_t		timeout;
    153 	usbd_status		status;
    154 	usbd_callback		callback;
    155 	usbd_xfercb		xfercb;
    156 	u_int32_t		retries;
    157 	char			done;
    158 
    159 	usb_device_request_t	request;
    160 	u_int8_t		isreq;
    161 
    162 	SIMPLEQ_ENTRY(usbd_request) next;
    163 
    164 	void		       *hcpriv; /* XXX private use by the HC driver */
    165 };
    166 
    167 void usbd_init __P((void));
    168 
    169 /* Routines from usb_subr.c */
    170 int		usbctlprint __P((void *, const char *));
    171 void		usbd_delay_ms __P((usbd_bus_handle, int));
    172 void		usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
    173 usbd_status	usbd_set_config_no __P((usbd_device_handle, int, int));
    174 usbd_status	usbd_reset_port __P((usbd_device_handle dev,
    175 				     int port, usb_port_status_t *ps));
    176 usbd_status	usbd_setup_pipe __P((usbd_device_handle dev,
    177 				     usbd_interface_handle iface,
    178 				     struct usbd_endpoint *,
    179 				     usbd_pipe_handle *pipe));
    180 usbd_status	usbd_new_device __P((struct device *parent,
    181 				     usbd_bus_handle bus, int depth,
    182 				     int lowspeed, int port,
    183 				     struct usbd_port *));
    184 int		usbd_printBCD __P((char *cp, int bcd));
    185 usbd_status	usbd_fill_iface_data __P((usbd_device_handle dev,
    186 					  int i, int a));
    187 
    188 /* Routines from usb.c */
    189 int		usb_bus_count __P((void));
    190 usbd_status	usb_get_bus_handle __P((int, usbd_bus_handle *));
    191 void		usb_needs_explore __P((usbd_bus_handle));
    192 
    193 extern	int usbd_use_polling;
    194 
    195 /* Locator stuff. */
    196 
    197 #include "locators.h"
    198 
    199 #define	uhubcf_port		cf_loc[UHUBCF_PORT]
    200 #define	uhubcf_configuration	cf_loc[UHUBCF_CONFIGURATION]
    201 #define	uhubcf_interface	cf_loc[UHUBCF_INTERFACE]
    202 #define	UHUB_UNK_PORT		UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
    203 #define	UHUB_UNK_CONFIGURATION	UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
    204 #define	UHUB_UNK_INTERFACE	UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
    205 
    206