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uvisor.c revision 1.24
      1 /*	$NetBSD: uvisor.c,v 1.24 2004/01/28 22:01:38 augustss 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 1.24 2004/01/28 22:01:38 augustss 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 #include <dev/usb/usbhid.h>
     56 
     57 #include <dev/usb/usbdi.h>
     58 #include <dev/usb/usbdi_util.h>
     59 #include <dev/usb/usbdevs.h>
     60 
     61 #include <dev/usb/ucomvar.h>
     62 
     63 #ifdef UVISOR_DEBUG
     64 #define DPRINTF(x)	if (uvisordebug) printf x
     65 #define DPRINTFN(n,x)	if (uvisordebug>(n)) printf x
     66 int uvisordebug = 0;
     67 #else
     68 #define DPRINTF(x)
     69 #define DPRINTFN(n,x)
     70 #endif
     71 
     72 #define UVISOR_CONFIG_INDEX	0
     73 #define UVISOR_IFACE_INDEX	0
     74 
     75 /* From the Linux driver */
     76 /*
     77  * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that
     78  * are available to be transfered to the host for the specified endpoint.
     79  * Currently this is not used, and always returns 0x0001
     80  */
     81 #define UVISOR_REQUEST_BYTES_AVAILABLE		0x01
     82 
     83 /*
     84  * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host
     85  * is now closing the pipe. An empty packet is sent in response.
     86  */
     87 #define UVISOR_CLOSE_NOTIFICATION		0x02
     88 
     89 /*
     90  * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to
     91  * get the endpoints used by the connection.
     92  */
     93 #define UVISOR_GET_CONNECTION_INFORMATION	0x03
     94 
     95 
     96 /*
     97  * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format
     98  */
     99 #define UVISOR_MAX_CONN 8
    100 struct uvisor_connection_info {
    101 	uWord	num_ports;
    102 	struct {
    103 		uByte	port_function_id;
    104 		uByte	port;
    105 	} connections[UVISOR_MAX_CONN];
    106 };
    107 #define UVISOR_CONNECTION_INFO_SIZE 18
    108 
    109 /* struct uvisor_connection_info.connection[x].port_function_id defines: */
    110 #define UVISOR_FUNCTION_GENERIC		0x00
    111 #define UVISOR_FUNCTION_DEBUGGER	0x01
    112 #define UVISOR_FUNCTION_HOTSYNC		0x02
    113 #define UVISOR_FUNCTION_CONSOLE		0x03
    114 #define UVISOR_FUNCTION_REMOTE_FILE_SYS	0x04
    115 
    116 /*
    117  * Unknown PalmOS stuff.
    118  */
    119 #define UVISOR_GET_PALM_INFORMATION		0x04
    120 #define UVISOR_GET_PALM_INFORMATION_LEN		0x44
    121 
    122 struct uvisor_palm_connection_info {
    123 	uByte	num_ports;
    124 	uByte	endpoint_numbers_different;
    125 	uWord	reserved1;
    126 	struct {
    127 		uDWord	port_function_id;
    128 		uByte	port;
    129 		uByte	end_point_info;
    130 		uWord	reserved;
    131 	} connections[UVISOR_MAX_CONN];
    132 };
    133 
    134 
    135 
    136 #define UVISORIBUFSIZE 64
    137 #define UVISOROBUFSIZE 1024
    138 
    139 struct uvisor_softc {
    140 	USBBASEDEVICE		sc_dev;		/* base device */
    141 	usbd_device_handle	sc_udev;	/* device */
    142 	usbd_interface_handle	sc_iface;	/* interface */
    143 
    144 	device_ptr_t		sc_subdevs[UVISOR_MAX_CONN];
    145 	int			sc_numcon;
    146 
    147 	u_int16_t		sc_flags;
    148 
    149 	u_char			sc_dying;
    150 };
    151 
    152 Static usbd_status uvisor_init(struct uvisor_softc *,
    153 			       struct uvisor_connection_info *,
    154 			       struct uvisor_palm_connection_info *);
    155 
    156 Static void uvisor_close(void *, int);
    157 
    158 
    159 struct ucom_methods uvisor_methods = {
    160 	NULL,
    161 	NULL,
    162 	NULL,
    163 	NULL,
    164 	NULL,
    165 	uvisor_close,
    166 	NULL,
    167 	NULL,
    168 };
    169 
    170 struct uvisor_type {
    171 	struct usb_devno	uv_dev;
    172 	u_int16_t		uv_flags;
    173 #define PALM4	0x0001
    174 #define VISOR	0x0002
    175 
    176 };
    177 static const struct uvisor_type uvisor_devs[] = {
    178 	{{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR }, VISOR },
    179 	{{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO }, PALM4 },
    180 	{{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600 }, PALM4 },
    181 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M500 }, PALM4 },
    182 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M505 }, PALM4 },
    183 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M515 }, PALM4 },
    184 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_I705 }, PALM4 },
    185 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M125 }, PALM4 },
    186 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M130 }, PALM4 },
    187 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z }, PALM4 },
    188 	{{ USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T }, 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) ((struct uvisor_type *)usb_lookup(uvisor_devs, v, p))
    198 
    199 USB_DECLARE_DRIVER(uvisor);
    200 
    201 USB_MATCH(uvisor)
    202 {
    203 	USB_MATCH_START(uvisor, uaa);
    204 
    205 	if (uaa->iface != NULL)
    206 		return (UMATCH_NONE);
    207 
    208 	DPRINTFN(20,("uvisor: vendor=0x%x, product=0x%x\n",
    209 		     uaa->vendor, uaa->product));
    210 
    211 	return (uvisor_lookup(uaa->vendor, uaa->product) != NULL ?
    212 		UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
    213 }
    214 
    215 USB_ATTACH(uvisor)
    216 {
    217 	USB_ATTACH_START(uvisor, sc, uaa);
    218 	usbd_device_handle dev = uaa->device;
    219 	usbd_interface_handle iface;
    220 	usb_interface_descriptor_t *id;
    221 	struct uvisor_connection_info coninfo;
    222 	struct uvisor_palm_connection_info palmconinfo;
    223 	usb_endpoint_descriptor_t *ed;
    224 	char devinfo[1024];
    225 	char *devname = USBDEVNAME(sc->sc_dev);
    226 	int i, j, hasin, hasout, port;
    227 	usbd_status err;
    228 	struct ucom_attach_args uca;
    229 
    230 	DPRINTFN(10,("\nuvisor_attach: sc=%p\n", sc));
    231 
    232 	/* Move the device into the configured state. */
    233 	err = usbd_set_config_index(dev, UVISOR_CONFIG_INDEX, 1);
    234 	if (err) {
    235 		printf("\n%s: failed to set configuration, err=%s\n",
    236 		       devname, usbd_errstr(err));
    237 		goto bad;
    238 	}
    239 
    240 	err = usbd_device2interface_handle(dev, UVISOR_IFACE_INDEX, &iface);
    241 	if (err) {
    242 		printf("\n%s: failed to get interface, err=%s\n",
    243 		       devname, usbd_errstr(err));
    244 		goto bad;
    245 	}
    246 
    247 	usbd_devinfo(dev, 0, devinfo);
    248 	USB_ATTACH_SETUP;
    249 	printf("%s: %s\n", devname, devinfo);
    250 
    251 	sc->sc_flags = uvisor_lookup(uaa->vendor, uaa->product)->uv_flags;
    252 
    253 	if ((sc->sc_flags & (VISOR | PALM4)) == 0) {
    254 		printf("%s: init failed, device type is neither visor nor palm\n",
    255 		    USBDEVNAME(sc->sc_dev));
    256 		goto bad;
    257 	}
    258 
    259 	id = usbd_get_interface_descriptor(iface);
    260 
    261 	sc->sc_udev = dev;
    262 	sc->sc_iface = iface;
    263 
    264 	uca.ibufsize = UVISORIBUFSIZE;
    265 	uca.obufsize = UVISOROBUFSIZE;
    266 	uca.ibufsizepad = UVISORIBUFSIZE;
    267 	uca.opkthdrlen = 0;
    268 	uca.device = dev;
    269 	uca.iface = iface;
    270 	uca.methods = &uvisor_methods;
    271 	uca.arg = sc;
    272 
    273 	err = uvisor_init(sc, &coninfo, &palmconinfo);
    274 	if (err) {
    275 		printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev),
    276 		       usbd_errstr(err));
    277 		goto bad;
    278 	}
    279 
    280 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
    281 			   USBDEV(sc->sc_dev));
    282 
    283 	if (sc->sc_flags & VISOR) {
    284 		sc->sc_numcon = UGETW(coninfo.num_ports);
    285 		if (sc->sc_numcon > UVISOR_MAX_CONN)
    286 			sc->sc_numcon = UVISOR_MAX_CONN;
    287 
    288 		/* Attach a ucom for each connection. */
    289 		for (i = 0; i < sc->sc_numcon; ++i) {
    290 			switch (coninfo.connections[i].port_function_id) {
    291 			case UVISOR_FUNCTION_GENERIC:
    292 				uca.info = "Generic";
    293 				break;
    294 			case UVISOR_FUNCTION_DEBUGGER:
    295 				uca.info = "Debugger";
    296 				break;
    297 			case UVISOR_FUNCTION_HOTSYNC:
    298 				uca.info = "HotSync";
    299 				break;
    300 			case UVISOR_FUNCTION_REMOTE_FILE_SYS:
    301 				uca.info = "Remote File System";
    302 				break;
    303 			default:
    304 				uca.info = "unknown";
    305 				break;
    306 			}
    307 			port = coninfo.connections[i].port;
    308 			uca.portno = port;
    309 			uca.bulkin = port | UE_DIR_IN;
    310 			uca.bulkout = port | UE_DIR_OUT;
    311 			/* Verify that endpoints exist. */
    312 			hasin = 0;
    313 			hasout = 0;
    314 			for (j = 0; j < id->bNumEndpoints; j++) {
    315 				ed = usbd_interface2endpoint_descriptor(iface, j);
    316 				if (ed == NULL)
    317 					break;
    318 				if (UE_GET_ADDR(ed->bEndpointAddress) == port &&
    319 				    (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
    320 					if (UE_GET_DIR(ed->bEndpointAddress)
    321 					    == UE_DIR_IN)
    322 						hasin++;
    323 					else
    324 						hasout++;
    325 				}
    326 			}
    327 			if (hasin == 1 && hasout == 1)
    328 				sc->sc_subdevs[i] = config_found_sm(self, &uca,
    329 				    ucomprint, ucomsubmatch);
    330 			else
    331 				printf("%s: no proper endpoints for port %d (%d,%d)\n",
    332 				    USBDEVNAME(sc->sc_dev), port, hasin, hasout);
    333 		}
    334 
    335 	} else {
    336 		sc->sc_numcon = palmconinfo.num_ports;
    337 		if (sc->sc_numcon > UVISOR_MAX_CONN)
    338 			sc->sc_numcon = UVISOR_MAX_CONN;
    339 
    340 		/* Attach a ucom for each connection. */
    341 		for (i = 0; i < sc->sc_numcon; ++i) {
    342 			/*
    343 			 * XXX this should copy out 4-char string from the
    344 			 * XXX port_function_id, but where would the string go?
    345 			 * XXX uca.info is a const char *, not an array.
    346 			 */
    347 			uca.info = "sync";
    348 			uca.portno = i;
    349 			if (palmconinfo.endpoint_numbers_different) {
    350 				port = palmconinfo.connections[i].end_point_info;
    351 				uca.bulkin = (port >> 4) | UE_DIR_IN;
    352 				uca.bulkout = (port & 0xf) | UE_DIR_OUT;
    353 			} else {
    354 				port = palmconinfo.connections[i].port;
    355 				uca.bulkin = port | UE_DIR_IN;
    356 				uca.bulkout = port | UE_DIR_OUT;
    357 			}
    358 			sc->sc_subdevs[i] = config_found_sm(self, &uca,
    359 			    ucomprint, ucomsubmatch);
    360 
    361 
    362 		}
    363 	}
    364 
    365 	USB_ATTACH_SUCCESS_RETURN;
    366 
    367 bad:
    368 	DPRINTF(("uvisor_attach: ATTACH ERROR\n"));
    369 	sc->sc_dying = 1;
    370 	USB_ATTACH_ERROR_RETURN;
    371 }
    372 
    373 int
    374 uvisor_activate(device_ptr_t self, enum devact act)
    375 {
    376 	struct uvisor_softc *sc = (struct uvisor_softc *)self;
    377 	int rv = 0;
    378 	int i;
    379 
    380 	switch (act) {
    381 	case DVACT_ACTIVATE:
    382 		return (EOPNOTSUPP);
    383 		break;
    384 
    385 	case DVACT_DEACTIVATE:
    386 		for (i = 0; i < sc->sc_numcon; i++)
    387 			if (sc->sc_subdevs[i] != NULL)
    388 				rv |= config_deactivate(sc->sc_subdevs[i]);
    389 		sc->sc_dying = 1;
    390 		break;
    391 	}
    392 	return (rv);
    393 }
    394 
    395 int
    396 uvisor_detach(device_ptr_t self, int flags)
    397 {
    398 	struct uvisor_softc *sc = (struct uvisor_softc *)self;
    399 	int rv = 0;
    400 	int i;
    401 
    402 	DPRINTF(("uvisor_detach: sc=%p flags=%d\n", sc, flags));
    403 	sc->sc_dying = 1;
    404 	for (i = 0; i < sc->sc_numcon; i++) {
    405 		if (sc->sc_subdevs[i] != NULL) {
    406 			rv |= config_detach(sc->sc_subdevs[i], flags);
    407 			sc->sc_subdevs[i] = NULL;
    408 		}
    409 	}
    410 
    411 	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
    412 			   USBDEV(sc->sc_dev));
    413 
    414 
    415 	return (rv);
    416 }
    417 
    418 usbd_status
    419 uvisor_init(struct uvisor_softc *sc, struct uvisor_connection_info *ci,
    420     struct uvisor_palm_connection_info *cpi)
    421 {
    422 	usbd_status err;
    423 	usb_device_request_t req;
    424 	int actlen;
    425 	uWord avail;
    426 
    427 	if (sc->sc_flags & VISOR) {
    428 		DPRINTF(("uvisor_init: getting Visor connection info\n"));
    429 		req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
    430 		req.bRequest = UVISOR_GET_CONNECTION_INFORMATION;
    431 		USETW(req.wValue, 0);
    432 		USETW(req.wIndex, 0);
    433 		USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
    434 		err = usbd_do_request_flags(sc->sc_udev, &req, ci,
    435 		    USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
    436 		if (err)
    437 			return (err);
    438 	}
    439 
    440 	if (sc->sc_flags & PALM4) {
    441 		DPRINTF(("uvisor_init: getting Palm connection info\n"));
    442 		req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
    443 		req.bRequest = UVISOR_GET_PALM_INFORMATION;
    444 		USETW(req.wValue, 0);
    445 		USETW(req.wIndex, 0);
    446 		USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN);
    447 		err = usbd_do_request_flags(sc->sc_udev, &req, cpi,
    448 		    USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
    449 		if (err)
    450 			return (err);
    451 	}
    452 
    453 	DPRINTF(("uvisor_init: getting available bytes\n"));
    454 	req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
    455 	req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE;
    456 	USETW(req.wValue, 0);
    457 	USETW(req.wIndex, 5);
    458 	USETW(req.wLength, sizeof avail);
    459 	err = usbd_do_request(sc->sc_udev, &req, &avail);
    460 	if (err)
    461 		return (err);
    462 	DPRINTF(("uvisor_init: avail=%d\n", UGETW(avail)));
    463 
    464 	DPRINTF(("uvisor_init: done\n"));
    465 	return (err);
    466 }
    467 
    468 void
    469 uvisor_close(void *addr, int portno)
    470 {
    471 	struct uvisor_softc *sc = addr;
    472 	usb_device_request_t req;
    473 	struct uvisor_connection_info coninfo; /* XXX ? */
    474 	int actlen;
    475 
    476 	if (sc->sc_dying)
    477 		return;
    478 
    479 	req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */
    480 	req.bRequest = UVISOR_CLOSE_NOTIFICATION;
    481 	USETW(req.wValue, 0);
    482 	USETW(req.wIndex, 0);
    483 	USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
    484 	(void)usbd_do_request_flags(sc->sc_udev, &req, &coninfo,
    485 		  USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
    486 }
    487