Convert to bus.h; this removes the need for the ASCBase global.
This commit is contained in:
scottr
parent
f042e543c9
commit
d8deae5099
@ -1,4 +1,4 @@
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/* $NetBSD: asc.c,v 1.15 1996/12/16 16:17:02 scottr Exp $ */
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/* $NetBSD: asc.c,v 1.16 1997/02/03 17:36:00 scottr Exp $ */
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/*-
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* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
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@ -47,15 +47,19 @@
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include "ascvar.h"
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#include "obiovar.h"
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/* Global ASC location */
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volatile unsigned char *ASCBase = (unsigned char *) 0x14000;
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#define MAC68K_ASC_BASE ((caddr_t) 0x50f14000)
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#define MAC68K_ASC_LEN 0x01000
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/* bell support data */
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static int asc_configured = 0;
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static int asc_configured = 0;
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static bus_space_tag_t asc_tag = MAC68K_BUS_SPACE_MEM;
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static bus_space_handle_t asc_handle;
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static int bell_freq = 1880;
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static int bell_length = 10;
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static int bell_volume = 100;
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@ -78,31 +82,66 @@ ascmatch(parent, cf, aux)
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struct cfdata *cf;
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void *aux;
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{
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if (badbaddr((unsigned char *) ASCBase))
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return 0;
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return 1;
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static int asc_matched = 0;
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struct obio_attach_args *oa = aux;
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bus_space_tag_t bst = MAC68K_BUS_SPACE_MEM;
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bus_space_handle_t bsh;
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bus_addr_t addr;
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int rval = 0;
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/* Allow only one instance. */
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if (asc_matched)
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return (0);
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asc_matched = 1;
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addr = (bus_addr_t) (oa->oa_addr ? oa->oa_addr : MAC68K_ASC_BASE);
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if (bus_space_map(bst, addr, MAC68K_ASC_LEN, 0, &bsh))
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return (0);
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if (bus_probe(bst, bsh, 0, 1))
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rval = 1;
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else
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rval = 0;
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bus_space_unmap(bst, bsh, MAC68K_ASC_LEN);
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return rval;
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}
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static void
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ascattach(parent, dev, aux)
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struct device *parent, *dev;
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void *aux;
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ascattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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printf(" Apple sound chip.\n");
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struct obio_attach_args *oa = aux;
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bus_addr_t addr;
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addr = (bus_addr_t) (oa->oa_addr ? oa->oa_addr : MAC68K_ASC_BASE);
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if (bus_space_map(asc_tag, addr, MAC68K_ASC_LEN, 0,
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&asc_handle)) {
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printf("%s: can't map memory space\n", self->dv_xname);
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return;
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}
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printf(" Apple sound chip\n");
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asc_configured = 1;
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}
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int
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asc_setbellparams(freq, length, volume)
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int freq;
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int length;
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int volume;
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int freq;
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int length;
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int volume;
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{
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if (!asc_configured) return (ENODEV);
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if (!asc_configured)
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return (ENODEV);
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/* I only perform these checks for sanity. */
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/* I suppose someone might want a bell that rings */
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/* all day, but then the can make kernel mods themselves. */
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/*
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* I only perform these checks for sanity. I suppose
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* someone might want a bell that rings all day, but then
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* they can make kernel mods themselves.
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*/
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if (freq < 10 || freq > 40000)
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return (EINVAL);
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@ -125,7 +164,8 @@ asc_getbellparams(freq, length, volume)
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int *length;
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int *volume;
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{
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if (!asc_configured) return (ENODEV);
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if (!asc_configured)
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return (ENODEV);
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*freq = bell_freq;
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*length = bell_length;
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@ -139,14 +179,14 @@ void
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asc_bellstop(param)
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int param;
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{
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if (!asc_configured) return;
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if (!asc_configured)
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return;
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if (bell_ringing > 1000 || bell_ringing < 0)
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panic("bell got out of synch?????");
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if (--bell_ringing == 0) {
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ASCBase[0x801] = 0;
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}
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/* disable ASC */
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panic("bell got out of sync?");
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if (--bell_ringing == 0) /* disable ASC */
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bus_space_write_1(asc_tag, asc_handle, 0x801, 0);
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}
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@ -156,23 +196,29 @@ asc_ringbell()
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int i;
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unsigned long freq;
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if (!asc_configured) return (ENODEV);
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if (!asc_configured)
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return (ENODEV);
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if (bell_ringing == 0) {
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for (i = 0; i < 0x800; i++)
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ASCBase[i] = 0;
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bus_space_write_1(asc_tag, asc_handle, i, 0);
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for (i = 0; i < 256; i++) {
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ASCBase[i] = i / 4;
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ASCBase[i + 512] = i / 4;
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ASCBase[i + 1024] = i / 4;
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ASCBase[i + 1536] = i / 4;
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bus_space_write_1(asc_tag, asc_handle, i, i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 512, i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 1024, i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 1536, i / 4);
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} /* up part of wave, four voices ? */
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for (i = 0; i < 256; i++) {
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ASCBase[i + 256] = 0x3f - (i / 4);
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ASCBase[i + 768] = 0x3f - (i / 4);
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ASCBase[i + 1280] = 0x3f - (i / 4);
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ASCBase[i + 1792] = 0x3f - (i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 256,
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0x3f - (i / 4));
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bus_space_write_1(asc_tag, asc_handle, i + 768,
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0x3f - (i / 4));
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bus_space_write_1(asc_tag, asc_handle, i + 1280,
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0x3f - (i / 4));
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bus_space_write_1(asc_tag, asc_handle, i + 1792,
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0x3f - (i / 4));
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} /* down part of wave, four voices ? */
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/* Fix this. Need to find exact ASC sampling freq */
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@ -182,22 +228,27 @@ asc_ringbell()
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* cur_beep.freq, (freq >> 24) & 0xff, (freq >> 16) & 0xff,
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* (freq >> 8) & 0xff, (freq) & 0xff); */
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for (i = 0; i < 8; i++) {
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ASCBase[0x814 + 8 * i] = (freq >> 24) & 0xff;
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ASCBase[0x815 + 8 * i] = (freq >> 16) & 0xff;
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ASCBase[0x816 + 8 * i] = (freq >> 8) & 0xff;
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ASCBase[0x817 + 8 * i] = (freq) & 0xff;
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bus_space_write_1(asc_tag, asc_handle, 0x814 + 8 * i,
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(freq >> 24) & 0xff);
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bus_space_write_1(asc_tag, asc_handle, 0x815 + 8 * i,
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(freq >> 16) & 0xff);
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bus_space_write_1(asc_tag, asc_handle, 0x816 + 8 * i,
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(freq >> 8) & 0xff);
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bus_space_write_1(asc_tag, asc_handle, 0x817 + 8 * i,
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(freq) & 0xff);
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} /* frequency; should put cur_beep.freq in here
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* somewhere. */
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ASCBase[0x807] = 3; /* 44 ? */
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ASCBase[0x806] = 255 * bell_volume / 100;
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ASCBase[0x805] = 0;
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ASCBase[0x80f] = 0;
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ASCBase[0x802] = 2; /* sampled */
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ASCBase[0x801] = 2; /* enable sampled */
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bus_space_write_1(asc_tag, asc_handle, 0x807, 3); /* 44 ? */
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bus_space_write_1(asc_tag, asc_handle, 0x806,
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255 * bell_volume / 100);
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bus_space_write_1(asc_tag, asc_handle, 0x805, 0);
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bus_space_write_1(asc_tag, asc_handle, 0x80f, 0);
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bus_space_write_1(asc_tag, asc_handle, 0x802, 2); /* sampled */
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bus_space_write_1(asc_tag, asc_handle, 0x801, 2); /* enable sampled */
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}
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bell_ringing++;
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timeout((void *) asc_bellstop, 0, bell_length);
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return 0;
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return (0);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: asc.c,v 1.15 1996/12/16 16:17:02 scottr Exp $ */
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/* $NetBSD: asc.c,v 1.16 1997/02/03 17:36:00 scottr Exp $ */
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/*-
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* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
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@ -47,15 +47,19 @@
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include "ascvar.h"
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#include "obiovar.h"
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/* Global ASC location */
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volatile unsigned char *ASCBase = (unsigned char *) 0x14000;
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#define MAC68K_ASC_BASE ((caddr_t) 0x50f14000)
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#define MAC68K_ASC_LEN 0x01000
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/* bell support data */
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static int asc_configured = 0;
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static int asc_configured = 0;
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static bus_space_tag_t asc_tag = MAC68K_BUS_SPACE_MEM;
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static bus_space_handle_t asc_handle;
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static int bell_freq = 1880;
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static int bell_length = 10;
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static int bell_volume = 100;
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@ -78,31 +82,66 @@ ascmatch(parent, cf, aux)
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struct cfdata *cf;
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void *aux;
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{
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if (badbaddr((unsigned char *) ASCBase))
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return 0;
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return 1;
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static int asc_matched = 0;
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struct obio_attach_args *oa = aux;
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bus_space_tag_t bst = MAC68K_BUS_SPACE_MEM;
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bus_space_handle_t bsh;
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bus_addr_t addr;
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int rval = 0;
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/* Allow only one instance. */
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if (asc_matched)
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return (0);
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asc_matched = 1;
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addr = (bus_addr_t) (oa->oa_addr ? oa->oa_addr : MAC68K_ASC_BASE);
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if (bus_space_map(bst, addr, MAC68K_ASC_LEN, 0, &bsh))
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return (0);
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if (bus_probe(bst, bsh, 0, 1))
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rval = 1;
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else
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rval = 0;
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bus_space_unmap(bst, bsh, MAC68K_ASC_LEN);
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return rval;
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}
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static void
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ascattach(parent, dev, aux)
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struct device *parent, *dev;
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void *aux;
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ascattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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printf(" Apple sound chip.\n");
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struct obio_attach_args *oa = aux;
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bus_addr_t addr;
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addr = (bus_addr_t) (oa->oa_addr ? oa->oa_addr : MAC68K_ASC_BASE);
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if (bus_space_map(asc_tag, addr, MAC68K_ASC_LEN, 0,
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&asc_handle)) {
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printf("%s: can't map memory space\n", self->dv_xname);
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return;
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}
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printf(" Apple sound chip\n");
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asc_configured = 1;
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}
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int
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asc_setbellparams(freq, length, volume)
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int freq;
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int length;
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int volume;
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int freq;
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int length;
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int volume;
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{
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if (!asc_configured) return (ENODEV);
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if (!asc_configured)
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return (ENODEV);
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/* I only perform these checks for sanity. */
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/* I suppose someone might want a bell that rings */
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/* all day, but then the can make kernel mods themselves. */
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/*
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* I only perform these checks for sanity. I suppose
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* someone might want a bell that rings all day, but then
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* they can make kernel mods themselves.
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*/
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if (freq < 10 || freq > 40000)
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return (EINVAL);
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@ -125,7 +164,8 @@ asc_getbellparams(freq, length, volume)
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int *length;
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int *volume;
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{
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if (!asc_configured) return (ENODEV);
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if (!asc_configured)
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return (ENODEV);
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*freq = bell_freq;
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*length = bell_length;
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@ -139,14 +179,14 @@ void
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asc_bellstop(param)
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int param;
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{
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if (!asc_configured) return;
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if (!asc_configured)
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return;
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if (bell_ringing > 1000 || bell_ringing < 0)
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panic("bell got out of synch?????");
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if (--bell_ringing == 0) {
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ASCBase[0x801] = 0;
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}
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/* disable ASC */
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panic("bell got out of sync?");
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if (--bell_ringing == 0) /* disable ASC */
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bus_space_write_1(asc_tag, asc_handle, 0x801, 0);
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}
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@ -156,23 +196,29 @@ asc_ringbell()
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int i;
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unsigned long freq;
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if (!asc_configured) return (ENODEV);
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if (!asc_configured)
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return (ENODEV);
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if (bell_ringing == 0) {
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for (i = 0; i < 0x800; i++)
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ASCBase[i] = 0;
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bus_space_write_1(asc_tag, asc_handle, i, 0);
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for (i = 0; i < 256; i++) {
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ASCBase[i] = i / 4;
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ASCBase[i + 512] = i / 4;
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ASCBase[i + 1024] = i / 4;
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ASCBase[i + 1536] = i / 4;
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bus_space_write_1(asc_tag, asc_handle, i, i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 512, i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 1024, i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 1536, i / 4);
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} /* up part of wave, four voices ? */
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for (i = 0; i < 256; i++) {
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ASCBase[i + 256] = 0x3f - (i / 4);
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ASCBase[i + 768] = 0x3f - (i / 4);
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ASCBase[i + 1280] = 0x3f - (i / 4);
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ASCBase[i + 1792] = 0x3f - (i / 4);
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bus_space_write_1(asc_tag, asc_handle, i + 256,
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0x3f - (i / 4));
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bus_space_write_1(asc_tag, asc_handle, i + 768,
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0x3f - (i / 4));
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bus_space_write_1(asc_tag, asc_handle, i + 1280,
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0x3f - (i / 4));
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bus_space_write_1(asc_tag, asc_handle, i + 1792,
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0x3f - (i / 4));
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} /* down part of wave, four voices ? */
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/* Fix this. Need to find exact ASC sampling freq */
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@ -182,22 +228,27 @@ asc_ringbell()
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* cur_beep.freq, (freq >> 24) & 0xff, (freq >> 16) & 0xff,
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* (freq >> 8) & 0xff, (freq) & 0xff); */
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for (i = 0; i < 8; i++) {
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ASCBase[0x814 + 8 * i] = (freq >> 24) & 0xff;
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ASCBase[0x815 + 8 * i] = (freq >> 16) & 0xff;
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ASCBase[0x816 + 8 * i] = (freq >> 8) & 0xff;
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ASCBase[0x817 + 8 * i] = (freq) & 0xff;
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bus_space_write_1(asc_tag, asc_handle, 0x814 + 8 * i,
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(freq >> 24) & 0xff);
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bus_space_write_1(asc_tag, asc_handle, 0x815 + 8 * i,
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(freq >> 16) & 0xff);
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bus_space_write_1(asc_tag, asc_handle, 0x816 + 8 * i,
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(freq >> 8) & 0xff);
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bus_space_write_1(asc_tag, asc_handle, 0x817 + 8 * i,
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(freq) & 0xff);
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} /* frequency; should put cur_beep.freq in here
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* somewhere. */
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ASCBase[0x807] = 3; /* 44 ? */
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ASCBase[0x806] = 255 * bell_volume / 100;
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ASCBase[0x805] = 0;
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ASCBase[0x80f] = 0;
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ASCBase[0x802] = 2; /* sampled */
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ASCBase[0x801] = 2; /* enable sampled */
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bus_space_write_1(asc_tag, asc_handle, 0x807, 3); /* 44 ? */
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bus_space_write_1(asc_tag, asc_handle, 0x806,
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255 * bell_volume / 100);
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bus_space_write_1(asc_tag, asc_handle, 0x805, 0);
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bus_space_write_1(asc_tag, asc_handle, 0x80f, 0);
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bus_space_write_1(asc_tag, asc_handle, 0x802, 2); /* sampled */
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bus_space_write_1(asc_tag, asc_handle, 0x801, 2); /* enable sampled */
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}
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bell_ringing++;
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timeout((void *) asc_bellstop, 0, bell_length);
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return 0;
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return (0);
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}
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