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uvisor.c revision 1.37
      1 /*	$NetBSD: uvisor.c,v 1.37 2008/02/18 05:24:24 dyoung Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 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 (lennart (at) augustsson.net) 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 /*
     41  * Handspring Visor (Palmpilot compatible PDA) driver
     42  */
     43 
     44 #include <sys/cdefs.h>
     45 __KERNEL_RCSID(0, "$NetBSD: uvisor.c,v 1.37 2008/02/18 05:24:24 dyoung Exp $");
     46 
     47 #include <sys/param.h>
     48 #include <sys/systm.h>
     49 #include <sys/kernel.h>
     50 #include <sys/device.h>
     51 #include <sys/conf.h>
     52 #include <sys/tty.h>
     53 
     54 #include <dev/usb/usb.h>
     55 
     56 #include <dev/usb/usbdi.h>
     57 #include <dev/usb/usbdi_util.h>
     58 #include <dev/usb/usbdevs.h>
     59 
     60 #include <dev/usb/ucomvar.h>
     61 
     62 #ifdef UVISOR_DEBUG
     63 #define DPRINTF(x)	if (uvisordebug) printf x
     64 #define DPRINTFN(n,x)	if (uvisordebug>(n)) printf x
     65 int uvisordebug = 0;
     66 #else
     67 #define DPRINTF(x)
     68 #define DPRINTFN(n,x)
     69 #endif
     70 
     71 #define UVISOR_CONFIG_INDEX	0
     72 #define UVISOR_IFACE_INDEX	0
     73 
     74 /* From the Linux driver */
     75 /*
     76  * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that
     77  * are available to be transfered to the host for the specified endpoint.
     78  * Currently this is not used, and always returns 0x0001
     79  */
     80 #define UVISOR_REQUEST_BYTES_AVAILABLE		0x01
     81 
     82 /*
     83  * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host
     84  * is now closing the pipe. An empty packet is sent in response.
     85  */
     86 #define UVISOR_CLOSE_NOTIFICATION		0x02
     87 
     88 /*
     89  * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to
     90  * get the endpoints used by the connection.
     91  */
     92 #define UVISOR_GET_CONNECTION_INFORMATION	0x03
     93 
     94 
     95 /*
     96  * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format
     97  */
     98 #define UVISOR_MAX_CONN 8
     99 struct uvisor_connection_info {
    100 	uWord	num_ports;
    101 	struct {
    102 		uByte	port_function_id;
    103 		uByte	port;
    104 	} connections[UVISOR_MAX_CONN];
    105 };
    106 #define UVISOR_CONNECTION_INFO_SIZE 18
    107 
    108 /* struct uvisor_connection_info.connection[x].port_function_id defines: */
    109 #define UVISOR_FUNCTION_GENERIC		0x00
    110 #define UVISOR_FUNCTION_DEBUGGER	0x01
    111 #define UVISOR_FUNCTION_HOTSYNC		0x02
    112 #define UVISOR_FUNCTION_CONSOLE		0x03
    113 #define UVISOR_FUNCTION_REMOTE_FILE_SYS	0x04
    114 
    115 /*
    116  * Unknown PalmOS stuff.
    117  */
    118 #define UVISOR_GET_PALM_INFORMATION		0x04
    119 #define UVISOR_GET_PALM_INFORMATION_LEN		0x44
    120 
    121 struct uvisor_palm_connection_info {
    122 	uByte	num_ports;
    123 	uByte	endpoint_numbers_different;
    124 	uWord	reserved1;
    125 	struct {
    126 		uDWord	port_function_id;
    127 		uByte	port;
    128 		uByte	end_point_info;
    129 		uWord	reserved;
    130 	} connections[UVISOR_MAX_CONN];
    131 };
    132 
    133 
    134 
    135 #define UVISORIBUFSIZE 64
    136 #define UVISOROBUFSIZE 1024
    137 
    138 struct uvisor_softc {
    139 	USBBASEDEVICE		sc_dev;		/* base device */
    140 	usbd_device_handle	sc_udev;	/* device */
    141 	usbd_interface_handle	sc_iface;	/* interface */
    142 
    143 	device_ptr_t		sc_subdevs[UVISOR_MAX_CONN];
    144 	int			sc_numcon;
    145 
    146 	u_int16_t		sc_flags;
    147 
    148 	u_char			sc_dying;
    149 };
    150 
    151 Static usbd_status uvisor_init(struct uvisor_softc *,
    152 			       struct uvisor_connection_info *,
    153 			       struct uvisor_palm_connection_info *);
    154 
    155 Static void uvisor_close(void *, int);
    156 
    157 
    158 struct ucom_methods uvisor_methods = {
    159 	NULL,
    160 	NULL,
    161 	NULL,
    162 	NULL,
    163 	NULL,
    164 	uvisor_close,
    165 	NULL,
    166 	NULL,
    167 };
    168 
    169 struct uvisor_type {
    170 	struct usb_devno	uv_dev;
    171 	u_int16_t		uv_flags;
    172 #define PALM4	0x0001
    173 #define VISOR	0x0002
    174 
    175 };
    176 static const struct uvisor_type uvisor_devs[] = {
    177 	{{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR }, VISOR },
    178 	{{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO }, PALM4 },
    179 	{{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600 }, PALM4 },
    180 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M500 }, PALM4 },
    181 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M505 }, PALM4 },
    182 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M515 }, PALM4 },
    183 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_I705 }, PALM4 },
    184 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M125 }, PALM4 },
    185 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M130 }, PALM4 },
    186 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z }, PALM4 },
    187 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T }, PALM4 },
    188 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE31 }, PALM4 },
    189 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE }, PALM4 },
    190 	{{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_40 }, PALM4 },
    191 	{{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_41 }, PALM4 },
    192 	{{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_S360 }, PALM4 },
    193 	{{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_NX60 }, PALM4 },
    194 	{{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_35 }, 0 },
    195 /*	{{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_25 }, PALM4 },*/
    196 };
    197 #define uvisor_lookup(v, p) ((const struct uvisor_type *)usb_lookup(uvisor_devs, v, p))
    198 
    199 int uvisor_match(device_t, struct cfdata *, void *);
    200 void uvisor_attach(device_t, device_t, void *);
    201 void uvisor_childdet(device_t, device_t);
    202 int uvisor_detach(device_t, int);
    203 int uvisor_activate(device_t, enum devact);
    204 extern struct cfdriver uvisor_cd;
    205 CFATTACH_DECL2(uvisor, sizeof(struct uvisor_softc), uvisor_match,
    206     uvisor_attach, uvisor_detach, uvisor_activate, NULL, uvisor_childdet);
    207 
    208 USB_MATCH(uvisor)
    209 {
    210 	USB_MATCH_START(uvisor, uaa);
    211 
    212 	DPRINTFN(20,("uvisor: vendor=0x%x, product=0x%x\n",
    213 		     uaa->vendor, uaa->product));
    214 
    215 	return (uvisor_lookup(uaa->vendor, uaa->product) != NULL ?
    216 		UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
    217 }
    218 
    219 USB_ATTACH(uvisor)
    220 {
    221 	USB_ATTACH_START(uvisor, sc, uaa);
    222 	usbd_device_handle dev = uaa->device;
    223 	usbd_interface_handle iface;
    224 	usb_interface_descriptor_t *id;
    225 	struct uvisor_connection_info coninfo;
    226 	struct uvisor_palm_connection_info palmconinfo;
    227 	usb_endpoint_descriptor_t *ed;
    228 	char *devinfop;
    229 	char *devname = USBDEVNAME(sc->sc_dev);
    230 	int i, j, hasin, hasout, port;
    231 	usbd_status err;
    232 	struct ucom_attach_args uca;
    233 
    234 	DPRINTFN(10,("\nuvisor_attach: sc=%p\n", sc));
    235 
    236 	/* Move the device into the configured state. */
    237 	err = usbd_set_config_index(dev, UVISOR_CONFIG_INDEX, 1);
    238 	if (err) {
    239 		printf("\n%s: failed to set configuration, err=%s\n",
    240 		       devname, usbd_errstr(err));
    241 		goto bad;
    242 	}
    243 
    244 	err = usbd_device2interface_handle(dev, UVISOR_IFACE_INDEX, &iface);
    245 	if (err) {
    246 		printf("\n%s: failed to get interface, err=%s\n",
    247 		       devname, usbd_errstr(err));
    248 		goto bad;
    249 	}
    250 
    251 	devinfop = usbd_devinfo_alloc(dev, 0);
    252 	USB_ATTACH_SETUP;
    253 	printf("%s: %s\n", devname, devinfop);
    254 	usbd_devinfo_free(devinfop);
    255 
    256 	sc->sc_flags = uvisor_lookup(uaa->vendor, uaa->product)->uv_flags;
    257 
    258 	if ((sc->sc_flags & (VISOR | PALM4)) == 0) {
    259 		printf("%s: init failed, device type is neither visor nor palm\n",
    260 		    USBDEVNAME(sc->sc_dev));
    261 		goto bad;
    262 	}
    263 
    264 	id = usbd_get_interface_descriptor(iface);
    265 
    266 	sc->sc_udev = dev;
    267 	sc->sc_iface = iface;
    268 
    269 	uca.ibufsize = UVISORIBUFSIZE;
    270 	uca.obufsize = UVISOROBUFSIZE;
    271 	uca.ibufsizepad = UVISORIBUFSIZE;
    272 	uca.opkthdrlen = 0;
    273 	uca.device = dev;
    274 	uca.iface = iface;
    275 	uca.methods = &uvisor_methods;
    276 	uca.arg = sc;
    277 
    278 	err = uvisor_init(sc, &coninfo, &palmconinfo);
    279 	if (err) {
    280 		printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev),
    281 		       usbd_errstr(err));
    282 		goto bad;
    283 	}
    284 
    285 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
    286 			   USBDEV(sc->sc_dev));
    287 
    288 	if (sc->sc_flags & VISOR) {
    289 		sc->sc_numcon = UGETW(coninfo.num_ports);
    290 		if (sc->sc_numcon > UVISOR_MAX_CONN)
    291 			sc->sc_numcon = UVISOR_MAX_CONN;
    292 
    293 		/* Attach a ucom for each connection. */
    294 		for (i = 0; i < sc->sc_numcon; ++i) {
    295 			switch (coninfo.connections[i].port_function_id) {
    296 			case UVISOR_FUNCTION_GENERIC:
    297 				uca.info = "Generic";
    298 				break;
    299 			case UVISOR_FUNCTION_DEBUGGER:
    300 				uca.info = "Debugger";
    301 				break;
    302 			case UVISOR_FUNCTION_HOTSYNC:
    303 				uca.info = "HotSync";
    304 				break;
    305 			case UVISOR_FUNCTION_REMOTE_FILE_SYS:
    306 				uca.info = "Remote File System";
    307 				break;
    308 			default:
    309 				uca.info = "unknown";
    310 				break;
    311 			}
    312 			port = coninfo.connections[i].port;
    313 			uca.portno = port;
    314 			uca.bulkin = port | UE_DIR_IN;
    315 			uca.bulkout = port | UE_DIR_OUT;
    316 			/* Verify that endpoints exist. */
    317 			hasin = 0;
    318 			hasout = 0;
    319 			for (j = 0; j < id->bNumEndpoints; j++) {
    320 				ed = usbd_interface2endpoint_descriptor(iface, j);
    321 				if (ed == NULL)
    322 					break;
    323 				if (UE_GET_ADDR(ed->bEndpointAddress) == port &&
    324 				    (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
    325 					if (UE_GET_DIR(ed->bEndpointAddress)
    326 					    == UE_DIR_IN)
    327 						hasin++;
    328 					else
    329 						hasout++;
    330 				}
    331 			}
    332 			if (hasin == 1 && hasout == 1)
    333 				sc->sc_subdevs[i] = config_found_sm_loc(self,
    334 					"ucombus", NULL, &uca,
    335 					ucomprint, ucomsubmatch);
    336 			else
    337 				printf("%s: no proper endpoints for port %d (%d,%d)\n",
    338 				    USBDEVNAME(sc->sc_dev), port, hasin, hasout);
    339 		}
    340 
    341 	} else {
    342 		sc->sc_numcon = palmconinfo.num_ports;
    343 		if (sc->sc_numcon > UVISOR_MAX_CONN)
    344 			sc->sc_numcon = UVISOR_MAX_CONN;
    345 
    346 		/* Attach a ucom for each connection. */
    347 		for (i = 0; i < sc->sc_numcon; ++i) {
    348 			/*
    349 			 * XXX this should copy out 4-char string from the
    350 			 * XXX port_function_id, but where would the string go?
    351 			 * XXX uca.info is a const char *, not an array.
    352 			 */
    353 			uca.info = "sync";
    354 			uca.portno = i;
    355 			if (palmconinfo.endpoint_numbers_different) {
    356 				port = palmconinfo.connections[i].end_point_info;
    357 				uca.bulkin = (port >> 4) | UE_DIR_IN;
    358 				uca.bulkout = (port & 0xf) | UE_DIR_OUT;
    359 			} else {
    360 				port = palmconinfo.connections[i].port;
    361 				uca.bulkin = port | UE_DIR_IN;
    362 				uca.bulkout = port | UE_DIR_OUT;
    363 			}
    364 			sc->sc_subdevs[i] = config_found_sm_loc(self, "ucombus",
    365 				NULL, &uca, ucomprint, ucomsubmatch);
    366 
    367 
    368 		}
    369 	}
    370 
    371 	USB_ATTACH_SUCCESS_RETURN;
    372 
    373 bad:
    374 	DPRINTF(("uvisor_attach: ATTACH ERROR\n"));
    375 	sc->sc_dying = 1;
    376 	USB_ATTACH_ERROR_RETURN;
    377 }
    378 
    379 int
    380 uvisor_activate(device_ptr_t self, enum devact act)
    381 {
    382 	struct uvisor_softc *sc = (struct uvisor_softc *)self;
    383 	int rv = 0;
    384 	int i;
    385 
    386 	switch (act) {
    387 	case DVACT_ACTIVATE:
    388 		return (EOPNOTSUPP);
    389 		break;
    390 
    391 	case DVACT_DEACTIVATE:
    392 		for (i = 0; i < sc->sc_numcon; i++)
    393 			if (sc->sc_subdevs[i] != NULL)
    394 				rv |= config_deactivate(sc->sc_subdevs[i]);
    395 		sc->sc_dying = 1;
    396 		break;
    397 	}
    398 	return (rv);
    399 }
    400 
    401 void
    402 uvisor_childdet(device_t self, device_t child)
    403 {
    404 	int i;
    405 	struct uvisor_softc *sc = device_private(self);
    406 
    407 	for (i = 0; i < sc->sc_numcon; i++) {
    408 		if (sc->sc_subdevs[i] == child)
    409 			break;
    410 	}
    411 	KASSERT(i < sc->sc_numcon);
    412 	sc->sc_subdevs[i] = NULL;
    413 }
    414 
    415 int
    416 uvisor_detach(device_t self, int flags)
    417 {
    418 	struct uvisor_softc *sc = device_private(self);
    419 	int rv = 0;
    420 	int i;
    421 
    422 	DPRINTF(("uvisor_detach: sc=%p flags=%d\n", sc, flags));
    423 	sc->sc_dying = 1;
    424 	for (i = 0; i < sc->sc_numcon; i++) {
    425 		if (sc->sc_subdevs[i] != NULL)
    426 			rv |= config_detach(sc->sc_subdevs[i], flags);
    427 	}
    428 
    429 	if (sc->sc_udev)
    430 		usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
    431 				   USBDEV(sc->sc_dev));
    432 
    433 
    434 	return (rv);
    435 }
    436 
    437 usbd_status
    438 uvisor_init(struct uvisor_softc *sc, struct uvisor_connection_info *ci,
    439     struct uvisor_palm_connection_info *cpi)
    440 {
    441 	usbd_status err;
    442 	usb_device_request_t req;
    443 	int actlen;
    444 	uWord avail;
    445 
    446 	if (sc->sc_flags & VISOR) {
    447 		DPRINTF(("uvisor_init: getting Visor connection info\n"));
    448 		req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
    449 		req.bRequest = UVISOR_GET_CONNECTION_INFORMATION;
    450 		USETW(req.wValue, 0);
    451 		USETW(req.wIndex, 0);
    452 		USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
    453 		err = usbd_do_request_flags(sc->sc_udev, &req, ci,
    454 		    USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
    455 		if (err)
    456 			return (err);
    457 	}
    458 
    459 	if (sc->sc_flags & PALM4) {
    460 		DPRINTF(("uvisor_init: getting Palm connection info\n"));
    461 		req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
    462 		req.bRequest = UVISOR_GET_PALM_INFORMATION;
    463 		USETW(req.wValue, 0);
    464 		USETW(req.wIndex, 0);
    465 		USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN);
    466 		err = usbd_do_request_flags(sc->sc_udev, &req, cpi,
    467 		    USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
    468 		if (err)
    469 			return (err);
    470 	}
    471 
    472 	DPRINTF(("uvisor_init: getting available bytes\n"));
    473 	req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
    474 	req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE;
    475 	USETW(req.wValue, 0);
    476 	USETW(req.wIndex, 5);
    477 	USETW(req.wLength, sizeof avail);
    478 	err = usbd_do_request(sc->sc_udev, &req, &avail);
    479 	if (err)
    480 		return (err);
    481 	DPRINTF(("uvisor_init: avail=%d\n", UGETW(avail)));
    482 
    483 	DPRINTF(("uvisor_init: done\n"));
    484 	return (err);
    485 }
    486 
    487 void
    488 uvisor_close(void *addr, int portno)
    489 {
    490 	struct uvisor_softc *sc = addr;
    491 	usb_device_request_t req;
    492 	struct uvisor_connection_info coninfo; /* XXX ? */
    493 	int actlen;
    494 
    495 	if (sc->sc_dying)
    496 		return;
    497 
    498 	req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */
    499 	req.bRequest = UVISOR_CLOSE_NOTIFICATION;
    500 	USETW(req.wValue, 0);
    501 	USETW(req.wIndex, 0);
    502 	USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
    503 	(void)usbd_do_request_flags(sc->sc_udev, &req, &coninfo,
    504 		  USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
    505 }
    506