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usbdi.h revision 1.56
      1 /*	$NetBSD: usbdi.h,v 1.56 2001/12/03 01:47:12 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,
     51 	/* errors */
     52 	USBD_PENDING_REQUESTS,
     53 	USBD_NOT_STARTED,
     54 	USBD_INVAL,
     55 	USBD_NOMEM,
     56 	USBD_CANCELLED,
     57 	USBD_BAD_ADDRESS,
     58 	USBD_IN_USE,
     59 	USBD_NO_ADDR,
     60 	USBD_SET_ADDR_FAILED,
     61 	USBD_NO_POWER,
     62 	USBD_TOO_DEEP,
     63 	USBD_IOERROR,
     64 	USBD_NOT_CONFIGURED,
     65 	USBD_TIMEOUT,
     66 	USBD_SHORT_XFER,
     67 	USBD_STALLED,
     68 	USBD_INTERRUPTED,
     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 iface, u_int8_t address,
     96 			   u_int8_t flags, usbd_pipe_handle *pipe);
     97 usbd_status usbd_close_pipe(usbd_pipe_handle pipe);
     98 usbd_status usbd_transfer(usbd_xfer_handle req);
     99 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
    100 usbd_status usbd_free_xfer(usbd_xfer_handle xfer);
    101 void usbd_setup_xfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
    102 		     usbd_private_handle priv, void *buffer,
    103 		     u_int32_t length, u_int16_t flags, u_int32_t timeout,
    104 		     usbd_callback);
    105 void usbd_setup_default_xfer(usbd_xfer_handle xfer, usbd_device_handle dev,
    106 			     usbd_private_handle priv, u_int32_t timeout,
    107 			     usb_device_request_t *req, void *buffer,
    108 			     u_int32_t length, u_int16_t flags, usbd_callback);
    109 void usbd_setup_isoc_xfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
    110 			  usbd_private_handle priv, u_int16_t *frlengths,
    111 			  u_int32_t nframes, u_int16_t flags, usbd_callback);
    112 void usbd_get_xfer_status(usbd_xfer_handle xfer, usbd_private_handle *priv,
    113 			  void **buffer, u_int32_t *count, usbd_status *status);
    114 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
    115 			(usbd_interface_handle iface, u_int8_t address);
    116 usbd_status usbd_abort_pipe(usbd_pipe_handle pipe);
    117 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle pipe);
    118 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle pipe);
    119 usbd_status usbd_endpoint_count(usbd_interface_handle dev, u_int8_t *count);
    120 usbd_status usbd_interface_count(usbd_device_handle dev, u_int8_t *count);
    121 void usbd_interface2device_handle(usbd_interface_handle iface,
    122 					 usbd_device_handle *dev);
    123 usbd_status usbd_device2interface_handle(usbd_device_handle dev,
    124 			      u_int8_t ifaceno, usbd_interface_handle *iface);
    125 
    126 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
    127 void *usbd_alloc_buffer(usbd_xfer_handle req, u_int32_t size);
    128 void usbd_free_buffer(usbd_xfer_handle req);
    129 void *usbd_get_buffer(usbd_xfer_handle xfer);
    130 usbd_status usbd_sync_transfer(usbd_xfer_handle req);
    131 usbd_status usbd_open_pipe_intr(usbd_interface_handle iface, u_int8_t address,
    132 				u_int8_t flags, usbd_pipe_handle *pipe,
    133 				usbd_private_handle priv, void *buffer,
    134 				u_int32_t length, usbd_callback, int);
    135 usbd_status usbd_do_request(usbd_device_handle pipe, usb_device_request_t *req,
    136 			    void *data);
    137 usbd_status usbd_do_request_async(usbd_device_handle pipe,
    138 				  usb_device_request_t *req, void *data);
    139 usbd_status usbd_do_request_flags(usbd_device_handle pipe,
    140 				  usb_device_request_t *req,
    141 				  void *data, u_int16_t flags, int *);
    142 usbd_status usbd_do_request_flags_pipe(
    143 	usbd_device_handle dev, usbd_pipe_handle pipe,
    144 	usb_device_request_t *req, void *data, u_int16_t flags, int *actlen);
    145 usb_interface_descriptor_t *usbd_get_interface_descriptor
    146 				(usbd_interface_handle iface);
    147 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle dev);
    148 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle dev);
    149 usbd_status usbd_set_interface(usbd_interface_handle, int);
    150 int usbd_get_no_alts(usb_config_descriptor_t *, int);
    151 usbd_status  usbd_get_interface(usbd_interface_handle iface, u_int8_t *aiface);
    152 void usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, int);
    153 int usbd_get_interface_altindex(usbd_interface_handle iface);
    154 
    155 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *cd,
    156 					    int iindex, int ano);
    157 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *cd,
    158 					   int ifaceidx, int altidx,
    159 					   int endptidx);
    160 
    161 void usbd_dopoll(usbd_interface_handle);
    162 void usbd_set_polling(usbd_device_handle iface, int on);
    163 
    164 const char *usbd_errstr(usbd_status err);
    165 
    166 void usbd_add_dev_event(int, usbd_device_handle);
    167 void usbd_add_drv_event(int, usbd_device_handle, device_ptr_t);
    168 
    169 void usbd_devinfo(usbd_device_handle, int, char *);
    170 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
    171 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
    172 			(usbd_interface_handle iface, u_int8_t address);
    173 
    174 usbd_status usbd_reload_device_desc(usbd_device_handle);
    175 
    176 int usbd_ratecheck(struct timeval *last);
    177 
    178 /*
    179  * The usb_task structs form a queue of things to run in the USB event
    180  * thread.  Normally this is just device discovery when a connect/disconnect
    181  * has been detected.  But it may also be used by drivers that need to
    182  * perform (short) tasks that must have a process context.
    183  */
    184 struct usb_task {
    185 	TAILQ_ENTRY(usb_task) next;
    186 	void (*fun)(void *);
    187 	void *arg;
    188 	char onqueue;
    189 };
    190 
    191 void usb_add_task(usbd_device_handle dev, struct usb_task *task);
    192 void usb_rem_task(usbd_device_handle dev, struct usb_task *task);
    193 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->onqueue = 0)
    194 
    195 struct usb_devno {
    196 	u_int16_t ud_vendor;
    197 	u_int16_t ud_product;
    198 };
    199 const struct usb_devno *usb_match_device(const struct usb_devno *tbl,
    200 	u_int nentries, u_int sz, u_int16_t vendor, u_int16_t product);
    201 #define usb_lookup(tbl, vendor, product) \
    202 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
    203 
    204 /* NetBSD attachment information */
    205 
    206 /* Attach data */
    207 struct usb_attach_arg {
    208 	int			port;
    209 	int			configno;
    210 	int			ifaceno;
    211 	int			vendor;
    212 	int			product;
    213 	int			release;
    214 	int			matchlvl;
    215 	usbd_device_handle	device;	/* current device */
    216 	usbd_interface_handle	iface; /* current interface */
    217 	int			usegeneric;
    218 	usbd_interface_handle  *ifaces;	/* all interfaces */
    219 	int			nifaces; /* number of interfaces */
    220 };
    221 
    222 #if defined(__NetBSD__) || defined(__OpenBSD__)
    223 /* Match codes. */
    224 /* First five codes is for a whole device. */
    225 #define UMATCH_VENDOR_PRODUCT_REV			14
    226 #define UMATCH_VENDOR_PRODUCT				13
    227 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
    228 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
    229 #define UMATCH_DEVCLASS_DEVSUBCLASS			10
    230 /* Next six codes are for interfaces. */
    231 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
    232 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
    233 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
    234 #define UMATCH_VENDOR_IFACESUBCLASS			 6
    235 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
    236 #define UMATCH_IFACECLASS_IFACESUBCLASS			 4
    237 #define UMATCH_IFACECLASS				 3
    238 #define UMATCH_IFACECLASS_GENERIC			 2
    239 /* Generic driver */
    240 #define UMATCH_GENERIC					 1
    241 /* No match */
    242 #define UMATCH_NONE					 0
    243 
    244 #elif defined(__FreeBSD__)
    245 /* FreeBSD needs values less than zero */
    246 #define UMATCH_VENDOR_PRODUCT_REV			(-10)
    247 #define UMATCH_VENDOR_PRODUCT				(-20)
    248 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
    249 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
    250 #define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
    251 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
    252 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
    253 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
    254 #define UMATCH_VENDOR_IFACESUBCLASS			(-90)
    255 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
    256 #define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
    257 #define UMATCH_IFACECLASS				(-120)
    258 #define UMATCH_IFACECLASS_GENERIC			(-130)
    259 #define UMATCH_GENERIC					(-140)
    260 #define UMATCH_NONE					(ENXIO)
    261 
    262 #endif
    263 
    264 #if defined(__FreeBSD__)
    265 int usbd_driver_load(module_t mod, int what, void *arg);
    266 #endif
    267 
    268 /* XXX Perhaps USB should have its own levels? */
    269 #ifdef USB_USE_SOFTINTR
    270 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
    271 #define splusb splsoftnet
    272 #else
    273 #define	splusb splsoftclock
    274 #endif /* __HAVE_GENERIC_SOFT_INTERRUPTS */
    275 #else
    276 #define splusb splbio
    277 #endif /* USB_USE_SOFTINTR */
    278 #define splhardusb splbio
    279 #define IPL_USB IPL_BIO
    280