From 6e0e7999fbd1f791c64fae67d201ffc3ecddf7d1 Mon Sep 17 00:00:00 2001 From: pefo Date: Fri, 17 Jan 1997 23:13:57 +0000 Subject: [PATCH] mmap for TYNE. mods in ps/2 mouse driver to be more generic... --- sys/arch/arc/dev/pccons.c | 192 +++++++++++++++++++++++++++----------- 1 file changed, 137 insertions(+), 55 deletions(-) diff --git a/sys/arch/arc/dev/pccons.c b/sys/arch/arc/dev/pccons.c index e12c133f718..b8f302e46ea 100644 --- a/sys/arch/arc/dev/pccons.c +++ b/sys/arch/arc/dev/pccons.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pccons.c,v 1.10 1996/11/12 08:42:09 niklas Exp $ */ +/* $OpenBSD: pccons.c,v 1.11 1997/01/17 23:13:57 pefo Exp $ */ /* $NetBSD: pccons.c,v 1.89 1995/05/04 19:35:20 cgd Exp $ */ /*- @@ -140,6 +140,8 @@ struct pms_softc { /* driver status information */ u_char sc_state; /* mouse driver state */ #define PMS_OPEN 0x01 /* device is open */ #define PMS_ASLP 0x02 /* waiting for mouse data */ + u_char sc_flags; +#define PMS_RAW 0x01 u_char sc_status; /* mouse button status */ int sc_x, sc_y; /* accumulated motion in the X,Y axis */ }; @@ -170,7 +172,8 @@ struct cfdriver pms_cd = { NULL, "pms", DV_TTY, NULL, 0 }; -#define PMSUNIT(dev) (minor(dev)) +#define PMSUNIT(dev) (minor(dev) / 2) +#define PMSTYPE(dev) (minor(dev) % 2) #define CHR 2 @@ -1844,13 +1847,31 @@ pcmmap(dev, offset, nprot) int nprot; { - if (offset >= 0xa0000 && offset < 0xc0000) - return mips_btop(PICA_P_LOCAL_VIDEO + offset); - if (offset >= 0x0000 && offset < 0x10000) - return mips_btop(PICA_P_LOCAL_VIDEO_CTRL + offset); - if (offset >= 0x40000000 && offset < 0x40800000) - return mips_btop(PICA_P_LOCAL_VIDEO + offset - 0x40000000); - return -1; + switch(cputype) { + + case ACER_PICA_61: + if (offset >= 0xa0000 && offset < 0xc0000) + return mips_btop(PICA_P_LOCAL_VIDEO + offset); + if (offset >= 0x0000 && offset < 0x10000) + return mips_btop(PICA_P_LOCAL_VIDEO_CTRL + offset); + if (offset >= 0x40000000 && offset < 0x40800000) + return mips_btop(PICA_P_LOCAL_VIDEO + offset - 0x40000000); + return -1; + + case DESKSTATION_TYNE: + /* Addresses returned are a fake to be able to handle >32 bit + * physical addresses used by the tyne. The real physical adr + * processing is done in pmap.c. Until we are a real 64 bit + * port this is how it will be done. + */ + if (offset >= 0xa0000 && offset < 0xc0000) + return mips_btop(TYNE_V_ISA_MEM + offset); + if (offset >= 0x0000 && offset < 0x10000) + return mips_btop(TYNE_V_ISA_IO + offset); + if (offset >= 0x40000000 && offset < 0x40800000) + return mips_btop(TYNE_V_ISA_MEM + offset - 0x40000000); + return -1; + } } pc_xmode_on() @@ -1908,6 +1929,7 @@ pc_xmode_off() #define PMS_CHUNK 128 /* chunk size for read */ #define PMS_BSIZE 1020 /* buffer size */ +#define FLUSHQ(q) { if((q)->c_cc) ndflush(q, (q)->c_cc); } static __inline void pms_dev_cmd(value) @@ -1998,6 +2020,7 @@ pmsopen(dev, flag) sc->sc_state |= PMS_OPEN; sc->sc_status = 0; + sc->sc_flags = (PMSTYPE(dev) ? PMS_RAW : 0 ); sc->sc_x = sc->sc_y = 0; /* Enable interrupts. */ @@ -2125,7 +2148,20 @@ pmsioctl(dev, cmd, addr, flag) splx(s); error = copyout(&info, addr, sizeof(struct mouseinfo)); break; - + case MOUSEIOCSRAW: + if (!(sc->sc_flags & PMS_RAW)) { + FLUSHQ(&sc->sc_q); + sc->sc_flags |= PMS_RAW; + } + error = 0; + break; + case MOUSEIOCSCOOKED: + if (sc->sc_flags & PMS_RAW) { + FLUSHQ(&sc->sc_q); + sc->sc_flags &= ~PMS_RAW; + } + error = 0; + break; default: error = EINVAL; break; @@ -2147,7 +2183,6 @@ pmsintr(arg) static int state = 0; static u_char buttons; u_char changed; - u_char mbutt; static char dx, dy; u_char buffer[5]; @@ -2157,58 +2192,105 @@ pmsintr(arg) return 0; } - switch (state) { + if(!(sc->sc_flags & PMS_RAW)) { + switch (state) { - case 0: - buttons = inb(kbd_datap); - if ((buttons & 0xc0) == 0) + case 0: + buttons = inb(kbd_datap); + if ((buttons & 0xc0) == 0) + ++state; + break; + + case 1: + dx = inb(kbd_datap); + /* Bounding at -127 avoids a bug in XFree86. */ + dx = (dx == -128) ? -127 : dx; ++state; - break; + break; - case 1: - dx = inb(kbd_datap); - /* Bounding at -127 avoids a bug in XFree86. */ - dx = (dx == -128) ? -127 : dx; - ++state; - break; + case 2: + dy = inb(kbd_datap); + dy = (dy == -128) ? -127 : dy; + state = 0; + + buttons = ((buttons & PS2LBUTMASK) << 2) | + ((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1); + changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3; + sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed; + + if (dx || dy || changed) { + /* Update accumulated movements. */ + sc->sc_x += dx; + sc->sc_y += dy; + + /* Add this event to the queue. */ + buffer[0] = 0x80 | (buttons & BUTSTATMASK); + if(dx < 0) + buffer[0] |= 0x10; + buffer[1] = dx & 0x7f; + if(dy < 0) + buffer[0] |= 0x20; + buffer[2] = dy & 0x7f; + buffer[3] = buffer[4] = 0; + (void) b_to_q(buffer, sizeof buffer, &sc->sc_q); + + if (sc->sc_state & PMS_ASLP) { + sc->sc_state &= ~PMS_ASLP; + wakeup((caddr_t)sc); + } + selwakeup(&sc->sc_rsel); + } - case 2: - dy = inb(kbd_datap); - dy = (dy == -128) ? -127 : dy; - state = 0; - - mbutt = buttons; - buttons = ((buttons & PS2LBUTMASK) << 2) | - ((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1); - changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3; - sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed; - - if (dx || dy || changed) { - /* Update accumulated movements. */ - sc->sc_x += dx; - sc->sc_y += dy; - - /* Add this event to the queue. */ - buffer[0] = 0x80 | (mbutt & BUTSTATMASK); - if(dx < 0) - buffer[0] |= 0x10; - buffer[1] = dx & 0x7f; - if(dy < 0) - buffer[0] |= 0x20; - buffer[2] = dy & 0x7f; - buffer[3] = buffer[4] = 0; - (void) b_to_q(buffer, sizeof buffer, &sc->sc_q); - - if (sc->sc_state & PMS_ASLP) { - sc->sc_state &= ~PMS_ASLP; - wakeup((caddr_t)sc); + break; + } + } + else { + /* read data port */ + buffer[0] = inb(kbd_datap); + + /* emulate old state machine for the ioctl's sake. */ + switch (state) { + case 0: + buttons = buffer[0]; + if ((buttons & 0xc0) == 0) { + ++state; + buttons = ((buttons & PS2LBUTMASK) << 2) | + ((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1); + buffer[0] &= ~BUTSTATMASK; + buffer[0] |= buttons ^ BUTSTATMASK; /* XXX Why? */ } - selwakeup(&sc->sc_rsel); + break; + case 1: + dx = buffer[0]; + /* Bounding at -127 avoids a bug in XFree86. */ + dx = (dx == -128) ? -127 : dx; + ++state; + break; + case 2: + dy = buffer[0]; + dy = (dy == -128) ? -127 : dy; + state = 0; + + changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3; + sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed; + + if (dx || dy || changed) { + /* Update accumulated movements. */ + sc->sc_x += dx; + sc->sc_y += dy; + } + break; } - break; - } + /* add raw data to the queue. */ + (void) b_to_q(buffer, 1, &sc->sc_q); + if (sc->sc_state & PMS_ASLP) { + sc->sc_state &= ~PMS_ASLP; + wakeup((caddr_t)sc); + } + selwakeup(&sc->sc_rsel); + } return -1; } -- 2.20.1