omap: cleanup mouse.c, just a dummy for mousectl()
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cinap_lenrek
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1 changed files with 0 additions and 189 deletions
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@ -12,156 +12,22 @@
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#include <cursor.h>
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#include "screen.h"
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/*
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* mouse types
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*/
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enum
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{
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Mouseother= 0,
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Mouseserial= 1,
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MousePS2= 2,
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};
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extern int mouseshifted;
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static QLock mousectlqlock;
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static int mousetype;
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static int intellimouse;
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static int packetsize;
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static int resolution;
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static int accelerated;
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static int mousehwaccel;
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static char mouseport[5];
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enum
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{
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CMaccelerated,
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CMhwaccel,
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CMintellimouse,
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CMlinear,
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CMps2,
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CMps2intellimouse,
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CMres,
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CMreset,
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CMserial,
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};
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static Cmdtab mousectlmsg[] =
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{
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CMaccelerated, "accelerated", 0,
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CMhwaccel, "hwaccel", 2,
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CMintellimouse, "intellimouse", 1,
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CMlinear, "linear", 1,
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CMps2, "ps2", 1,
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CMps2intellimouse, "ps2intellimouse", 1,
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CMres, "res", 0,
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CMreset, "reset", 1,
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CMserial, "serial", 0,
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};
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/*
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* ps/2 mouse message is three bytes
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*
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* byte 0 - 0 0 SDY SDX 1 M R L
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* byte 1 - DX
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* byte 2 - DY
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*
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* shift & right button is the same as middle button
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*
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* Intellimouse and AccuPoint with extra buttons deliver
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* byte 3 - 00 or 01 or FF according to extra button state.
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* extra buttons are mapped in this code to buttons 4 and 5.
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* AccuPoint generates repeated events for these buttons;
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* it and Intellimouse generate 'down' events only, so
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* user-level code is required to generate button 'up' events
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* if they are needed by the application.
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* Also on laptops with AccuPoint AND external mouse, the
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* controller may deliver 3 or 4 bytes according to the type
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* of the external mouse; code must adapt.
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*
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* On the NEC Versa series (and perhaps others?) we seem to
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* lose a byte from the packet every once in a while, which
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* means we lose where we are in the instruction stream.
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* To resynchronize, if we get a byte more than two seconds
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* after the previous byte, we assume it's the first in a packet.
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*/
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static void
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ps2mouseputc(int c, int shift)
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{
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static short msg[4];
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static int nb;
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static uchar b[] = {0, 1, 4, 5, 2, 3, 6, 7, 0, 1, 2, 3, 2, 3, 6, 7 };
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static ulong lasttick;
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ulong m;
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int buttons, dx, dy;
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shift |= mouseshifted;
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m = MACHP(0)->ticks;
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if(TK2SEC(m - lasttick) > 2)
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nb = 0;
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lasttick = m;
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if(nb==0 && (c&0xc8)!=0x08)
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if(intellimouse && (c==0x00 || c==0x01 || c==0xFF)){
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packetsize = 4;
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return;
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}
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msg[nb] = c;
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if(++nb >= packetsize){
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nb = 0;
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if(msg[0] & 0x10)
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msg[1] |= 0xFF00;
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if(msg[0] & 0x20)
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msg[2] |= 0xFF00;
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buttons = b[(msg[0]&7) | (shift ? 8 : 0)];
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if(intellimouse && packetsize==4){
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if((msg[3]&0xc8) == 0x08){
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packetsize = 3;
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msg[0] = msg[3];
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nb = 1;
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}else{
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if((msg[3] >> 3) & 1)
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buttons |= 1<<3;
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else if(msg[3] & 0x7)
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buttons |= 1<<4;
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}
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}
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dx = msg[1];
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dy = -msg[2];
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mousetrack(dx, dy, buttons, TK2MS(MACHP(0)->ticks));
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}
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}
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/*
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* set up a ps2 mouse
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*/
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static void
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ps2mouse(void)
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{
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if(mousetype == MousePS2)
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return;
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mousetype = MousePS2;
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packetsize = 3;
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mousehwaccel = 1;
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// i8042auxenable(ps2mouseputc);
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// i8042auxcmd(0xEA); // TODO
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// i8042auxcmd(0xF4);
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}
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/*
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* The PS/2 Trackpoint multiplexor on the IBM Thinkpad T23 ignores
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* acceleration commands. It is supposed to pass them on
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* to the attached device, but my Logitech mouse is simply
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* not behaving any differently. For such devices, we allow
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* the user to use "hwaccel off" to tell us to back off to
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* software acceleration even if we're using the PS/2 port.
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* (Serial mice are always software accelerated.)
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* For more information on the Thinkpad multiplexor, see
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* http://wwwcssrv.almaden.ibm.com/trackpoint/
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*/
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static void
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setaccelerated(int x)
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{
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@ -176,25 +42,6 @@ setlinear(void)
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mouseaccelerate(0);
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}
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static void
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setres(int n)
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{
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resolution = n;
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}
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static void
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setintellimouse(void)
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{
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intellimouse = 1;
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packetsize = 4;
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}
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static void
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resetmouse(void)
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{
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packetsize = 3;
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}
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void
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mousectl(Cmdbuf *cb)
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{
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@ -205,51 +52,15 @@ mousectl(Cmdbuf *cb)
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qunlock(&mousectlqlock);
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nexterror();
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}
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ct = lookupcmd(cb, mousectlmsg, nelem(mousectlmsg));
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switch(ct->index){
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case CMaccelerated:
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setaccelerated(cb->nf == 1? 1: atoi(cb->f[1]));
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break;
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case CMintellimouse:
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setintellimouse();
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break;
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case CMlinear:
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setlinear();
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break;
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case CMps2:
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intellimouse = 0;
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break;
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case CMps2intellimouse:
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setintellimouse();
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break;
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case CMres:
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if(cb->nf >= 2)
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setres(atoi(cb->f[1]));
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else
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setres(1);
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break;
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case CMreset:
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resetmouse();
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if(accelerated)
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setaccelerated(accelerated);
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if(resolution)
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setres(resolution);
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if(intellimouse)
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setintellimouse();
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break;
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case CMserial:
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error("serial mice not supported");
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break;
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case CMhwaccel:
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if(strcmp(cb->f[1], "on")==0)
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mousehwaccel = 1;
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else if(strcmp(cb->f[1], "off")==0)
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mousehwaccel = 0;
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else
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cmderror(cb, "bad mouse control message");
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}
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qunlock(&mousectlqlock);
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poperror();
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}
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