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`bwtworeg' is just about the same as the generic `fbcontrol'.

This commit is contained in:
pk 1996-02-27 00:32:34 +00:00
parent 7f4f1d2406
commit 2c646f8da5
2 changed files with 14 additions and 26 deletions
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23
sys/arch/sparc/dev/bwtwo.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: bwtwo.c,v 1.20 1996/02/25 21:46:01 pk Exp $ */
/* $NetBSD: bwtwo.c,v 1.21 1996/02/27 00:32:34 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -67,6 +67,7 @@
#include <machine/ctlreg.h>
#include <sparc/sparc/asm.h>
#include <sparc/dev/btreg.h>
#include <sparc/dev/bwtworeg.h>
#include <sparc/dev/sbusvar.h>
@ -75,7 +76,7 @@ struct bwtwo_softc {
struct device sc_dev; /* base device */
struct sbusdev sc_sd; /* sbus device */
struct fbdevice sc_fb; /* frame buffer device */
volatile struct bwtworeg *sc_reg;/* control registers */
volatile struct fbcontrol *sc_reg;/* control registers */
struct rom_reg sc_phys; /* phys address description */
int sc_bustype; /* type of bus we live on */
};
@ -155,11 +156,8 @@ bwtwoattach(parent, self, args)
switch (ca->ca_bustype) {
case BUS_OBIO:
if (CPU_ISSUN4M) { /* 4m has framebuffer on obio */
node = ca->ca_ra.ra_node;
nam = getpropstring(node, "model");
break;
}
if (CPU_ISSUN4M) /* 4m has framebuffer on obio */
goto obp_name;
case BUS_VME32:
case BUS_VME16:
sbus = node = 0;
@ -167,6 +165,7 @@ bwtwoattach(parent, self, args)
break;
case BUS_SBUS:
obp_name:
#if defined(SUN4C) || defined(SUN4M)
nam = getpropstring(node, "model");
#endif
@ -213,9 +212,9 @@ bwtwoattach(parent, self, args)
sc->sc_fb.fb_pixels = mapiodev(ca->ca_ra.ra_reg, BWREG_MEM,
ramsize, ca->ca_bustype);
}
sc->sc_reg = (volatile struct bwtworeg *)
sc->sc_reg = (volatile struct fbcontrol *)
mapiodev(ca->ca_ra.ra_reg, BWREG_REG,
sizeof(struct bwtworeg), ca->ca_bustype);
sizeof(struct fbcontrol), ca->ca_bustype);
/* Insure video is enabled */
bwtwo_set_video(sc, 1);
@ -331,7 +330,7 @@ bwtwo_get_video(sc)
return ((lduba(AC_SYSENABLE, ASI_CONTROL) & SYSEN_VIDEO) != 0);
#endif
return ((sc->sc_reg->bw_ctl & CTL_VE) != 0);
return ((sc->sc_reg->fbc_ctrl & FBC_VENAB) != 0);
}
static void
@ -354,7 +353,7 @@ bwtwo_set_video(sc, enable)
#endif
if (enable)
sc->sc_reg->bw_ctl |= CTL_VE;
sc->sc_reg->fbc_ctrl |= FBC_VENAB;
else
sc->sc_reg->bw_ctl &= ~CTL_VE;
sc->sc_reg->fbc_ctrl &= ~FBC_VENAB;
}

17
sys/arch/sparc/dev/bwtworeg.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: bwtworeg.h,v 1.2 1994/11/20 20:51:58 deraadt Exp $ */
/* $NetBSD: bwtworeg.h,v 1.3 1996/02/27 00:32:39 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -53,20 +53,9 @@
* the sparc addressing modes work well.
*/
struct bwtworeg {
/*
* The xxx0 range is all 0xff on my IPC but causes a screen glitch
* on my SS1+, so it must do *some*thing... the xxx1 range is full
* of values but I do not know what they are. bw_ctl changes for
* a blanked screen.
*/
char bw_xxx0[16];
u_char bw_ctl; /* contains video enable */
char bw_xxx1[15];
struct fbcontrol bw_fbc;
};
/* bits in bw_ctl */
#define CTL_VE 0x40 /* video enable */
/* offsets */
#define BWREG_ID 0
#define BWREG_REG 0x400000
@ -76,7 +65,7 @@ struct bwtworeg {
struct bwtwo_all {
long ba_id; /* ID = 0xfe010104 on my IPC */
char ba_xxx0[0x400000-4];
struct bwtworeg ba_reg; /* control registers */
struct fbcontrol ba_reg; /* control registers */
char ba_xxx1[0x400000-32];
char ba_ram[4096]; /* actually larger */
};