142 lines
2.8 KiB
C
142 lines
2.8 KiB
C
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/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/*
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* USB keyboard/mouse constants
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*/
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typedef struct Chain Chain;
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typedef struct HidInterface HidInterface;
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typedef struct HidRepTempl HidRepTempl;
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enum {
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Stack = 32 * 1024,
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/* HID class subclass protocol ids */
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PtrCSP = 0x020103, /* mouse.boot.hid */
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KbdCSP = 0x010103, /* keyboard.boot.hid */
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/* Requests */
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Getproto = 0x03,
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Setidle = 0x0a,
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Setproto = 0x0b,
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/* protocols for SET_PROTO request */
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Bootproto = 0,
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Reportproto = 1,
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};
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enum {
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/* keyboard modifier bits */
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Mlctrl = 0,
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Mlshift = 1,
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Mlalt = 2,
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Mlgui = 3,
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Mrctrl = 4,
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Mrshift = 5,
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Mralt = 6,
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Mrgui = 7,
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/* masks for byte[0] */
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Mctrl = 1<<Mlctrl | 1<<Mrctrl,
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Mshift = 1<<Mlshift | 1<<Mrshift,
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Malt = 1<<Mlalt | 1<<Mralt,
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Mcompose = 1<<Mlalt,
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Maltgr = 1<<Mralt,
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Mgui = 1<<Mlgui | 1<<Mrgui,
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MaxAcc = 3, /* max. ptr acceleration */
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PtrMask= 0xf, /* 4 buttons: should allow for more. */
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};
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/*
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* Plan 9 keyboard driver constants.
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*/
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enum {
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/* Scan codes (see kbd.c) */
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SCesc1 = 0xe0, /* first of a 2-character sequence */
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SCesc2 = 0xe1,
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SClshift = 0x2a,
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SCrshift = 0x36,
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SCctrl = 0x1d,
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SCcompose = 0x38,
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Keyup = 0x80, /* flag bit */
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Keymask = 0x7f, /* regular scan code bits */
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};
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int kbmain(Dev *d, int argc, char*argv[]);
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enum{
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MaxChLen = 64, /* bytes */
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};
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struct Chain {
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int b; /* offset start in bits, (first full) */
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int e; /* offset end in bits (first empty) */
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uint8_t buf[MaxChLen];
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};
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#define MSK(nbits) ((1UL << (nbits)) - 1)
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#define IsCut(bbits, ebits) (((ebits)/8 - (bbits)/8) > 0)
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enum {
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KindPad = 0,
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KindButtons,
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KindX,
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KindY,
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KindWheel,
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MaxVals = 16,
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MaxIfc = 8,
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};
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struct HidInterface {
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uint32_t v[MaxVals]; /* one ulong per val should be enough */
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uint8_t kind[MaxVals];
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int nbits;
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int count;
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};
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struct HidRepTempl{
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int id; /* id which may not be present */
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uint32_t sz; /* in bytes */
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int nifcs;
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HidInterface ifcs[MaxIfc];
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};
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enum {
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/* report types */
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HidReportApp = 0x01,
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HidTypeUsgPg = 0x05,
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HidPgButts = 0x09,
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HidTypeRepSz = 0x75,
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HidTypeCnt = 0x95,
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HidCollection = 0xa1,
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HidTypeUsg = 0x09,
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HidPtr = 0x01,
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HidX = 0x30,
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HidY = 0x31,
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HidZ = 0x32,
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HidWheel = 0x38,
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HidInput = 0x81,
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HidReportId = 0x85,
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HidReportIdPtr = 0x01,
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HidEnd = 0xc0,
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};
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void dumpreport(HidRepTempl *templ);
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int hidifcval(HidRepTempl *templ, int kind, int n);
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int parsereport(HidRepTempl *templ, Chain *rep);
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int parsereportdesc(HidRepTempl *temp, uint8_t *repdesc, int repsz);
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