diff options
Diffstat (limited to 'sys/dev/usb/hid.c')
| -rw-r--r-- | sys/dev/usb/hid.c | 471 |
1 files changed, 0 insertions, 471 deletions
diff --git a/sys/dev/usb/hid.c b/sys/dev/usb/hid.c deleted file mode 100644 index ea04a05b67e56..0000000000000 --- a/sys/dev/usb/hid.c +++ /dev/null @@ -1,471 +0,0 @@ -/* $NetBSD: hid.c,v 1.7 1999/01/08 11:58:25 augustss Exp $ */ -/* FreeBSD $Id: hid.c,v 1.5 1999/01/07 23:31:29 n_hibma Exp $ */ - -/* - * Copyright (c) 1998 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Lennart Augustsson (augustss@carlstedt.se) at - * Carlstedt Research & Technology. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#if defined(__FreeBSD__) -#include <sys/bus.h> -#endif - -#include <dev/usb/usb.h> -#include <dev/usb/usbhid.h> - -#include <dev/usb/hid.h> - -#ifdef USB_DEBUG -#define DPRINTF(x) if (usbdebug) printf x -#define DPRINTFN(n,x) if (usbdebug>(n)) printf x -extern int usbdebug; -#else -#define DPRINTF(x) -#define DPRINTFN(n,x) -#endif - -static void hid_clear_local __P((struct hid_item *)); - -#define MAXUSAGE 100 -struct hid_data { - u_char *start; - u_char *end; - u_char *p; - struct hid_item cur; - int32_t usages[MAXUSAGE]; - int nu; - int minset; - int multi; - int multimax; - int kindset; -}; - -static void -hid_clear_local(c) - struct hid_item *c; -{ - c->usage = 0; - c->usage_minimum = 0; - c->usage_maximum = 0; - c->designator_index = 0; - c->designator_minimum = 0; - c->designator_maximum = 0; - c->string_index = 0; - c->string_minimum = 0; - c->string_maximum = 0; - c->set_delimiter = 0; -} - -struct hid_data * -hid_start_parse(d, len, kindset) - void *d; - int len; - int kindset; -{ - struct hid_data *s; - - s = malloc(sizeof *s, M_TEMP, M_WAITOK); - memset(s, 0, sizeof *s); - s->start = s->p = d; - s->end = (char *)d + len; - s->kindset = kindset; - return (s); -} - -void -hid_end_parse(s) - struct hid_data *s; -{ - while (s->cur.next) { - struct hid_item *hi = s->cur.next->next; - free(s->cur.next, M_TEMP); - s->cur.next = hi; - } - free(s, M_TEMP); -} - -int -hid_get_item(s, h) - struct hid_data *s; - struct hid_item *h; -{ - struct hid_item *c = &s->cur; - int bTag, bType, bSize; - u_char *data; - int32_t dval; - u_char *p; - struct hid_item *hi; - int i; - - top: - if (s->multimax) { - if (s->multi < s->multimax) { - c->usage = s->usages[min(s->multi, s->nu-1)]; - s->multi++; - *h = *c; - c->loc.pos += c->loc.size; - h->next = 0; - return (1); - } else { - c->loc.count = s->multimax; - s->multimax = 0; - s->nu = 0; - hid_clear_local(c); - } - } - for (;;) { - p = s->p; - if (p >= s->end) - return (0); - - bSize = *p++; - if (bSize == 0xfe) { - /* long item */ - bSize = *p++; - bSize |= *p++ << 8; - bTag = *p++; - data = p; - p += bSize; - bType = 0xff; /* XXX what should it be */ - } else { - /* short item */ - bTag = bSize >> 4; - bType = (bSize >> 2) & 3; - bSize &= 3; - if (bSize == 3) bSize = 4; - data = p; - p += bSize; - } - s->p = p; - switch(bSize) { - case 0: - dval = 0; - break; - case 1: - dval = (int8_t)*data++; - break; - case 2: - dval = *data++; - dval |= *data++ << 8; - dval = (int16_t)dval; - break; - case 4: - dval = *data++; - dval |= *data++ << 8; - dval |= *data++ << 16; - dval |= *data++ << 24; - break; - default: - printf("BAD LENGTH %d\n", bSize); - continue; - } - - switch (bType) { - case 0: /* Main */ - switch (bTag) { - case 8: /* Input */ - if (!(s->kindset & (1 << hid_input))) - continue; - c->kind = hid_input; - c->flags = dval; - ret: - if (c->flags & HIO_VARIABLE) { - s->multimax = c->loc.count; - s->multi = 0; - c->loc.count = 1; - if (s->minset) { - for (i = c->usage_minimum; - i <= c->usage_maximum; - i++) { - s->usages[s->nu] = i; - if (s->nu < MAXUSAGE-1) - s->nu++; - } - s->minset = 0; - } - goto top; - } else { - *h = *c; - h->next = 0; - c->loc.pos += - c->loc.size * c->loc.count; - hid_clear_local(c); - s->minset = 0; - return (1); - } - case 9: /* Output */ - if (!(s->kindset & (1 << hid_output))) - continue; - c->kind = hid_output; - c->flags = dval; - goto ret; - case 10: /* Collection */ - c->kind = hid_collection; - c->collection = dval; - c->collevel++; - *h = *c; - hid_clear_local(c); - s->nu = 0; - return (1); - case 11: /* Feature */ - if (!(s->kindset & (1 << hid_feature))) - continue; - c->kind = hid_feature; - c->flags = dval; - goto ret; - case 12: /* End collection */ - c->kind = hid_endcollection; - c->collevel--; - *h = *c; - hid_clear_local(c); - s->nu = 0; - return (1); - default: - printf("Main bTag=%d\n", bTag); - break; - } - break; - case 1: /* Global */ - switch (bTag) { - case 0: - c->_usage_page = dval << 16; - break; - case 1: - c->logical_minimum = dval; - break; - case 2: - c->logical_maximum = dval; - break; - case 3: - c->physical_maximum = dval; - break; - case 4: - c->physical_maximum = dval; - break; - case 5: - c->unit_exponent = dval; - break; - case 6: - c->unit = dval; - break; - case 7: - c->loc.size = dval; - break; - case 8: - c->report_ID = dval; - break; - case 9: - c->loc.count = dval; - break; - case 10: /* Push */ - hi = malloc(sizeof *hi, M_TEMP, M_WAITOK); - *hi = s->cur; - c->next = hi; - break; - case 11: /* Pop */ - hi = c->next; - s->cur = *hi; - free(hi, M_TEMP); - break; - default: - printf("Global bTag=%d\n", bTag); - break; - } - break; - case 2: /* Local */ - switch (bTag) { - case 0: - if (bSize == 1) - dval = c->_usage_page | (dval&0xff); - else if (bSize == 2) - dval = c->_usage_page | (dval&0xffff); - c->usage = dval; - if (s->nu < MAXUSAGE) - s->usages[s->nu++] = dval; - /* else XXX */ - break; - case 1: - s->minset = 1; - if (bSize == 1) - dval = c->_usage_page | (dval&0xff); - else if (bSize == 2) - dval = c->_usage_page | (dval&0xffff); - c->usage_minimum = dval; - break; - case 2: - if (bSize == 1) - dval = c->_usage_page | (dval&0xff); - else if (bSize == 2) - dval = c->_usage_page | (dval&0xffff); - c->usage_maximum = dval; - break; - case 3: - c->designator_index = dval; - break; - case 4: - c->designator_minimum = dval; - break; - case 5: - c->designator_maximum = dval; - break; - case 7: - c->string_index = dval; - break; - case 8: - c->string_minimum = dval; - break; - case 9: - c->string_maximum = dval; - break; - case 10: - c->set_delimiter = dval; - break; - default: - printf("Local bTag=%d\n", bTag); - break; - } - break; - default: - printf("default bType=%d\n", bType); - break; - } - } -} - -int -hid_report_size(buf, len, k, idp) - void *buf; - int len; - enum hid_kind k; - u_int8_t *idp; -{ - struct hid_data *d; - struct hid_item h; - int size, id; - - id = 0; - for (d = hid_start_parse(buf, len, 1<<k); hid_get_item(d, &h); ) - if (h.report_ID) - id = h.report_ID; - hid_end_parse(d); - size = h.loc.pos; - if (id) { - size += 8; - *idp = id; /* XXX wrong */ - } else - *idp = 0; - return ((size + 7) / 8); -} - -int -hid_locate(desc, size, u, k, loc, flags) - void *desc; - int size; - u_int32_t u; - enum hid_kind k; - struct hid_location *loc; - u_int32_t *flags; -{ - struct hid_data *d; - struct hid_item h; - - for (d = hid_start_parse(desc, size, 1<<k); hid_get_item(d, &h); ) { - if (h.kind == k && !(h.flags & HIO_CONST) && h.usage == u) { - if (loc) - *loc = h.loc; - if (flags) - *flags = h.flags; - hid_end_parse(d); - return (1); - } - } - hid_end_parse(d); - loc->size = 0; - return (0); -} - -u_long -hid_get_data(buf, loc) - u_char *buf; - struct hid_location *loc; -{ - u_int hpos = loc->pos; - u_int hsize = loc->size; - u_int32_t data; - int i, s; - - DPRINTFN(10, ("hid_get_data: loc %d/%d\n", hpos, hsize)); - - if (hsize == 0) - return (0); - - data = 0; - s = hpos / 8; - for (i = hpos; i < hpos+hsize; i += 8) - data |= buf[i / 8] << ((i / 8 - s) * 8); - data >>= hpos % 8; - data &= (1 << hsize) - 1; - hsize = 32 - hsize; - /* Sign extend */ - data = ((int32_t)data << hsize) >> hsize; - DPRINTFN(10,("hid_get_data: loc %d/%d = %lu\n", - loc->pos, loc->size, (long)data)); - return (data); -} - -int -hid_is_collection(desc, size, usage) - void *desc; - int size; - u_int32_t usage; -{ - struct hid_data *hd; - struct hid_item hi; - int r; - - hd = hid_start_parse(desc, size, hid_input); - if (!hd) - return (0); - - r = hid_get_item(hd, &hi) && - hi.kind == hid_collection && - hi.usage == usage; - hid_end_parse(hd); - return (r); -} |
