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/*
* Detection routines for GF1 chip and for AMD InterWave (tm) soundcard
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "../include/driver.h"
#include "../include/gus.h"
#define DETECT_GUSP( port, x ) (port + SND_g_u_s_##x)
static void snd_d_gf1_write8(unsigned short port,
unsigned char reg,
unsigned char val)
{
unsigned long flags;
save_flags(flags);
cli();
outb(reg, DETECT_GUSP(port, GF1REGSEL));
outb(val, DETECT_GUSP(port, GF1DATAHIGH));
restore_flags(flags);
}
static unsigned char snd_d_gf1_look8(unsigned short port, unsigned char reg)
{
unsigned long flags;
unsigned char result;
save_flags(flags);
cli();
outb(reg, DETECT_GUSP(port, GF1REGSEL));
result = inb(DETECT_GUSP(port, GF1DATAHIGH));
restore_flags(flags);
return result;
}
static void snd_d_gf1_poke(unsigned short port,
unsigned long addr,
unsigned char value)
{
unsigned long flags;
save_flags(flags);
cli();
outb(0x43, DETECT_GUSP(port, GF1REGSEL));
outw((unsigned short) addr, DETECT_GUSP(port, GF1DATALOW));
outb(0x44, DETECT_GUSP(port, GF1REGSEL));
outb((unsigned char) (addr >> 16), DETECT_GUSP(port, GF1DATAHIGH));
outb(value, DETECT_GUSP(port, DRAM));
restore_flags(flags);
}
static unsigned char snd_d_gf1_peek(unsigned short port, unsigned long addr)
{
unsigned long flags;
unsigned char result;
save_flags(flags);
cli();
outb(0x43, DETECT_GUSP(port, GF1REGSEL));
outw((unsigned short) addr, DETECT_GUSP(port, GF1DATALOW));
outb(0x44, DETECT_GUSP(port, GF1REGSEL));
outb((unsigned char) (addr >> 16), DETECT_GUSP(port, GF1DATAHIGH));
result = inb(DETECT_GUSP(port, DRAM));
restore_flags(flags);
return result;
}
int snd_detect_interwave(snd_card_t * card, char *rname,
unsigned int *rtype, unsigned short *rport)
{
static short possible_ports[] =
{0x210, 0x220, 0x230, 0x240, 0x250, 0x260, -1};
unsigned long flags;
unsigned char tmp, rev1, rev2;
short port, *pport;
for (pport = possible_ports; *pport > 0; pport++) {
port = *pport;
if (snd_register_ioport(card, port, 16, "InterWave (Adlib/SB compatibility)", NULL) < 0)
continue;
if (snd_register_ioport(card, port + 0x100, 12, "InterWave (synthesizer)", NULL) < 0) {
snd_unregister_ioports(card);
continue;
}
if (snd_register_ioport(card, port + 0x10c, 4, "InterWave (CS4231)", NULL) < 0) {
snd_unregister_ioports(card);
continue;
}
#if 0
snd_printk("Probing InterWave at 0x%x\n", port);
#endif
/*
* ok.. use only INB at first stage of detection to avoid
* trouble with wrong outb(..
*/
tmp = inb(DETECT_GUSP(port, MIXCNTRLREG));
snd_printdd("interwave [0x%x]: MIXCNTRLREG = 0x%x\n", port, tmp);
if (tmp & 0x80)
goto __nodev;
tmp = inb(DETECT_GUSP(port, REGCNTRLS));
snd_printdd("interwave [0x%x]: REGCNTRLS = 0x%x\n", port, tmp);
if (tmp & 0x04)
goto __nodev;
tmp = inb(DETECT_GUSP(port, GF1PAGE));
snd_printdd("interwave [0x%x]: GF1PAGE = 0x%x\n", port, tmp);
if (tmp & 0x60)
goto __nodev;
snd_d_gf1_write8(port, SND_GF1_GB_RESET, 0); /* reset GF1 */
tmp = snd_d_gf1_look8(port, SND_GF1_GB_RESET);
if ((tmp & 0x07) != 0)
goto __nodev;
snd_delay(16);
snd_d_gf1_write8(port, SND_GF1_GB_RESET, 1); /* release reset */
snd_delay(16);
tmp = snd_d_gf1_look8(port, SND_GF1_GB_RESET);
if ((tmp & 0x07) != 1)
goto __nodev;
save_flags(flags);
cli();
rev1 = snd_d_gf1_look8(port, SND_GF1_GB_VERSION_NUMBER);
snd_d_gf1_write8(port, SND_GF1_GB_VERSION_NUMBER, ~rev1);
rev2 = snd_d_gf1_look8(port, SND_GF1_GB_VERSION_NUMBER);
snd_d_gf1_write8(port, SND_GF1_GB_VERSION_NUMBER, rev1);
restore_flags(flags);
if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
(rev1 & 0x0f) != (rev2 & 0x0f)) {
strcpy(rname, "AMD InterWave");
*rtype = SND_CARD_TYPE_AMD_INTERWAVE;
*rport = port;
return 0; /* ok.. We have InterWave board */
}
__nodev:
snd_unregister_ioports(card);
}
return -ENODEV;
}
int snd_detect_gus1(snd_card_t * card, char *rname,
unsigned int *rtype, unsigned short port)
{
unsigned long flags;
unsigned char tmp, val, rev;
if (snd_register_ioport(card, port, 16, "GF1 (Adlib/SB compatibility)", NULL) < 0)
return -ENODEV;
if (snd_register_ioport(card, port + 0x100, 12, "GF1 (synthesizer)", NULL) < 0)
return -ENODEV;
if (snd_register_ioport(card, port + 0x506, 1, "GUS (control)", NULL) < 0)
return -ENODEV;
/*
* ok.. use only INB at first stage of detection to avoid
* trouble with wrong outb(..
*/
tmp = inb(DETECT_GUSP(port, REGCNTRLS));
snd_printdd("gus [0x%x]: REGCNTRLS = 0x%x\n", port, tmp);
if (tmp & 0x80)
return -ENODEV;
#if 0
tmp = inb(DETECT_GUSP(port, MIDISTAT));
snd_printdd("gus [0x%x]: MIDISTAT = 0x%x\n", port, tmp);
if (tmp & 0x4c)
return -ENODEV;
#endif
snd_d_gf1_write8(port, SND_GF1_GB_RESET, 0); /* reset GF1 */
tmp = snd_d_gf1_look8(port, SND_GF1_GB_RESET);
if ((tmp & 0x07) != 0)
return -ENODEV;
snd_delay(16);
snd_d_gf1_write8(port, SND_GF1_GB_RESET, 1); /* release reset */
snd_delay(16);
tmp = snd_d_gf1_look8(port, SND_GF1_GB_RESET);
if ((tmp & 0x07) != 1)
return -ENODEV;
snd_d_gf1_poke(port, 0L, 0xaa);
snd_d_gf1_poke(port, 1L, 0x55);
if (snd_d_gf1_peek(port, 0L) != 0xaa || snd_d_gf1_peek(port, 1L) != 0x55)
return -ENODEV;
save_flags(flags);
cli();
outb(0x20, DETECT_GUSP(port, REGCNTRLS));
val = inb(DETECT_GUSP(port, REGCNTRLS));
rev = inb(DETECT_GUSP(port, BOARDVERSION));
restore_flags(flags);
snd_printdd("GF1 [0x%x] init - val = 0x%x, rev = 0x%x\n", port, val, rev);
strcpy(rname, "Gravis UltraSound Classic (2.4)");
*rtype = SND_CARD_TYPE_GUS_CLASSIC;
if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
if (rev >= 5 && rev <= 9) {
rname[27] = '3';
rname[29] = rev == 5 ? '5' : '7';
}
if (rev >= 10 && rev != 255) {
if (rev >= 10 && rev <= 11) {
strcpy(rname, "Gravis UltraSound MAX");
*rtype = SND_CARD_TYPE_GUS_MAX;
} else if (rev == 0x30) {
strcpy(rname, "Gravis UltraSound Ace");
*rtype = SND_CARD_TYPE_GUS_ACE;
} else if (rev == 0x50) {
strcpy(rname, "Gravis UltraSound Extreme");
*rtype = SND_CARD_TYPE_GUS_EXTREME;
} else {
snd_printk("unknown GF1 revision number at 0x%x - 0x%x (0x%x)\n", port, rev, val);
snd_printk(" please - report to <perex@suse.cz>\n");
}
}
}
return 0;
}
int snd_detect_gus(snd_card_t * card, char *rname,
unsigned int *rtype, unsigned short *rport)
{
static short possible_ports[] =
{0x210, 0x220, 0x230, 0x240, 0x250, 0x260, -1};
short port, *pport;
for (pport = possible_ports; *pport > 0; pport++) {
port = *rport = *pport;
if (!snd_detect_gus1(card, rname, rtype, port))
return 0;
snd_unregister_ioports(card);
}
return -ENODEV;
}
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