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usbdi.h revision 1.64
      1 /*	$NetBSD: usbdi.h,v 1.64 2004/10/23 13:26:34 augustss Exp $	*/
      2 /*	$FreeBSD: src/sys/dev/usb/usbdi.h,v 1.18 1999/11/17 22:33:49 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 (at) 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 typedef struct usbd_bus		*usbd_bus_handle;
     42 typedef struct usbd_device	*usbd_device_handle;
     43 typedef struct usbd_interface	*usbd_interface_handle;
     44 typedef struct usbd_pipe	*usbd_pipe_handle;
     45 typedef struct usbd_xfer	*usbd_xfer_handle;
     46 typedef void			*usbd_private_handle;
     47 
     48 typedef enum {		/* keep in sync with usbd_status_msgs */
     49 	USBD_NORMAL_COMPLETION = 0, /* must be 0 */
     50 	USBD_IN_PROGRESS,	/* 1 */
     51 	/* errors */
     52 	USBD_PENDING_REQUESTS,	/* 2 */
     53 	USBD_NOT_STARTED,	/* 3 */
     54 	USBD_INVAL,		/* 4 */
     55 	USBD_NOMEM,		/* 5 */
     56 	USBD_CANCELLED,		/* 6 */
     57 	USBD_BAD_ADDRESS,	/* 7 */
     58 	USBD_IN_USE,		/* 8 */
     59 	USBD_NO_ADDR,		/* 9 */
     60 	USBD_SET_ADDR_FAILED,	/* 10 */
     61 	USBD_NO_POWER,		/* 11 */
     62 	USBD_TOO_DEEP,		/* 12 */
     63 	USBD_IOERROR,		/* 13 */
     64 	USBD_NOT_CONFIGURED,	/* 14 */
     65 	USBD_TIMEOUT,		/* 15 */
     66 	USBD_SHORT_XFER,	/* 16 */
     67 	USBD_STALLED,		/* 17 */
     68 	USBD_INTERRUPTED,	/* 18 */
     69 
     70 	USBD_ERROR_MAX		/* must be last */
     71 } usbd_status;
     72 
     73 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
     74 			      usbd_status);
     75 
     76 /* Open flags */
     77 #define USBD_EXCLUSIVE_USE	0x01
     78 
     79 /* Use default (specified by ep. desc.) interval on interrupt pipe */
     80 #define USBD_DEFAULT_INTERVAL	(-1)
     81 
     82 /* Request flags */
     83 #define USBD_NO_COPY		0x01	/* do not copy data to DMA buffer */
     84 #define USBD_SYNCHRONOUS	0x02	/* wait for completion */
     85 /* in usb.h #define USBD_SHORT_XFER_OK	0x04*/	/* allow short reads */
     86 #define USBD_FORCE_SHORT_XFER	0x08	/* force last short packet on write */
     87 
     88 #define USBD_NO_TIMEOUT 0
     89 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
     90 
     91 #if defined(__FreeBSD__)
     92 #define USB_CDEV_MAJOR 108
     93 #endif
     94 
     95 usbd_status usbd_open_pipe(usbd_interface_handle, u_int8_t,
     96 			   u_int8_t, usbd_pipe_handle *);
     97 usbd_status usbd_close_pipe(usbd_pipe_handle);
     98 usbd_status usbd_transfer(usbd_xfer_handle);
     99 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
    100 usbd_status usbd_free_xfer(usbd_xfer_handle);
    101 void usbd_setup_xfer(usbd_xfer_handle, usbd_pipe_handle,
    102 		     usbd_private_handle, void *,
    103 		     u_int32_t, u_int16_t, u_int32_t,
    104 		     usbd_callback);
    105 void usbd_setup_default_xfer(usbd_xfer_handle, usbd_device_handle,
    106 			     usbd_private_handle, u_int32_t,
    107 			     usb_device_request_t *, void *,
    108 			     u_int32_t, u_int16_t, usbd_callback);
    109 void usbd_setup_isoc_xfer(usbd_xfer_handle, usbd_pipe_handle,
    110 			  usbd_private_handle, u_int16_t *,
    111 			  u_int32_t, u_int16_t, usbd_callback);
    112 void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *,
    113 			  void **, u_int32_t *, usbd_status *);
    114 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
    115 			(usbd_interface_handle, u_int8_t);
    116 usbd_status usbd_abort_pipe(usbd_pipe_handle);
    117 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle);
    118 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle);
    119 void usbd_clear_endpoint_toggle(usbd_pipe_handle);
    120 usbd_status usbd_endpoint_count(usbd_interface_handle, u_int8_t *);
    121 usbd_status usbd_interface_count(usbd_device_handle, u_int8_t *);
    122 void usbd_interface2device_handle(usbd_interface_handle,
    123 					 usbd_device_handle *);
    124 usbd_status usbd_device2interface_handle(usbd_device_handle,
    125 			      u_int8_t, usbd_interface_handle *);
    126 
    127 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
    128 void *usbd_alloc_buffer(usbd_xfer_handle, u_int32_t);
    129 void usbd_free_buffer(usbd_xfer_handle);
    130 void *usbd_get_buffer(usbd_xfer_handle);
    131 usbd_status usbd_sync_transfer(usbd_xfer_handle);
    132 usbd_status usbd_open_pipe_intr(usbd_interface_handle, u_int8_t,
    133 				u_int8_t, usbd_pipe_handle *,
    134 				usbd_private_handle, void *,
    135 				u_int32_t, usbd_callback, int);
    136 usbd_status usbd_do_request(usbd_device_handle, usb_device_request_t *, void *);
    137 usbd_status usbd_do_request_async(usbd_device_handle,
    138 				  usb_device_request_t *, void *);
    139 usbd_status usbd_do_request_flags(usbd_device_handle, usb_device_request_t *,
    140 				  void *, u_int16_t, int*, u_int32_t);
    141 usbd_status usbd_do_request_flags_pipe(usbd_device_handle, usbd_pipe_handle,
    142 	usb_device_request_t *, void *, u_int16_t, int *, u_int32_t);
    143 usb_interface_descriptor_t *usbd_get_interface_descriptor
    144 				(usbd_interface_handle);
    145 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle);
    146 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle);
    147 usbd_status usbd_set_interface(usbd_interface_handle, int);
    148 int usbd_get_no_alts(usb_config_descriptor_t *, int);
    149 usbd_status  usbd_get_interface(usbd_interface_handle, u_int8_t *);
    150 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
    151 int usbd_get_interface_altindex(usbd_interface_handle);
    152 
    153 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
    154 					    int, int);
    155 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
    156 					   int, int, int);
    157 
    158 void usbd_dopoll(usbd_interface_handle);
    159 void usbd_set_polling(usbd_device_handle, int);
    160 
    161 const char *usbd_errstr(usbd_status);
    162 
    163 void usbd_add_dev_event(int, usbd_device_handle);
    164 void usbd_add_drv_event(int, usbd_device_handle, device_ptr_t);
    165 
    166 void usbd_devinfo(usbd_device_handle, int, char *, size_t);
    167 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
    168 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
    169 			(usbd_interface_handle, u_int8_t);
    170 
    171 usbd_status usbd_reload_device_desc(usbd_device_handle);
    172 
    173 int usbd_ratecheck(struct timeval *last);
    174 
    175 usbd_status usbd_get_string(usbd_device_handle dev, int si, char *buf);
    176 
    177 /* An iterator for descriptors. */
    178 typedef struct {
    179 	const uByte *cur;
    180 	const uByte *end;
    181 } usbd_desc_iter_t;
    182 void usb_desc_iter_init(usbd_device_handle dev, usbd_desc_iter_t *iter);
    183 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *iter);
    184 
    185 /*
    186  * The usb_task structs form a queue of things to run in the USB event
    187  * thread.  Normally this is just device discovery when a connect/disconnect
    188  * has been detected.  But it may also be used by drivers that need to
    189  * perform (short) tasks that must have a process context.
    190  */
    191 struct usb_task {
    192 	TAILQ_ENTRY(usb_task) next;
    193 	void (*fun)(void *);
    194 	void *arg;
    195 	char onqueue;
    196 };
    197 
    198 void usb_add_task(usbd_device_handle, struct usb_task *);
    199 void usb_rem_task(usbd_device_handle, struct usb_task *);
    200 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->onqueue = 0)
    201 
    202 struct usb_devno {
    203 	u_int16_t ud_vendor;
    204 	u_int16_t ud_product;
    205 };
    206 const struct usb_devno *usb_match_device(const struct usb_devno *,
    207 	u_int, u_int, u_int16_t, u_int16_t);
    208 #define usb_lookup(tbl, vendor, product) \
    209 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
    210 #define	USB_PRODUCT_ANY		0xffff
    211 
    212 /* NetBSD attachment information */
    213 
    214 /* Attach data */
    215 struct usb_attach_arg {
    216 	int			port;
    217 	int			configno;
    218 	int			ifaceno;
    219 	int			vendor;
    220 	int			product;
    221 	int			release;
    222 	int			matchlvl;
    223 	usbd_device_handle	device;	/* current device */
    224 	usbd_interface_handle	iface; /* current interface */
    225 	int			usegeneric;
    226 	usbd_interface_handle  *ifaces;	/* all interfaces */
    227 	int			nifaces; /* number of interfaces */
    228 };
    229 
    230 #if defined(__NetBSD__) || defined(__OpenBSD__)
    231 /* Match codes. */
    232 /* First five codes is for a whole device. */
    233 #define UMATCH_VENDOR_PRODUCT_REV			14
    234 #define UMATCH_VENDOR_PRODUCT				13
    235 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
    236 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
    237 #define UMATCH_DEVCLASS_DEVSUBCLASS			10
    238 /* Next six codes are for interfaces. */
    239 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
    240 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
    241 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
    242 #define UMATCH_VENDOR_IFACESUBCLASS			 6
    243 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
    244 #define UMATCH_IFACECLASS_IFACESUBCLASS			 4
    245 #define UMATCH_IFACECLASS				 3
    246 #define UMATCH_IFACECLASS_GENERIC			 2
    247 /* Generic driver */
    248 #define UMATCH_GENERIC					 1
    249 /* No match */
    250 #define UMATCH_NONE					 0
    251 
    252 #elif defined(__FreeBSD__)
    253 /* FreeBSD needs values less than zero */
    254 #define UMATCH_VENDOR_PRODUCT_REV			(-10)
    255 #define UMATCH_VENDOR_PRODUCT				(-20)
    256 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
    257 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
    258 #define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
    259 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
    260 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
    261 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
    262 #define UMATCH_VENDOR_IFACESUBCLASS			(-90)
    263 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
    264 #define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
    265 #define UMATCH_IFACECLASS				(-120)
    266 #define UMATCH_IFACECLASS_GENERIC			(-130)
    267 #define UMATCH_GENERIC					(-140)
    268 #define UMATCH_NONE					(ENXIO)
    269 
    270 #endif
    271 
    272 #if defined(__FreeBSD__)
    273 int usbd_driver_load(module_t mod, int what, void *arg);
    274 #endif
    275 
    276 /* XXX Perhaps USB should have its own levels? */
    277 #ifdef USB_USE_SOFTINTR
    278 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
    279 #define splusb splsoftnet
    280 #else
    281 #define	splusb splsoftclock
    282 #endif /* __HAVE_GENERIC_SOFT_INTERRUPTS */
    283 #else
    284 #define splusb splbio
    285 #endif /* USB_USE_SOFTINTR */
    286 #define splhardusb splbio
    287 #define IPL_USB IPL_BIO
    288