path: root/sound/pci/emu10k1/emu10k1_main.c

/*
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *                   Creative Labs, Inc.
 *  Routines for control of EMU10K1 chips
 *
 *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
 *      Added support for Audigy 2 Value.
 *
 *
 *  BUGS:
 *    --
 *
 *  TODO:
 *    --
 *
 *   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>

#include <sound/core.h>
#include <sound/emu10k1.h>
#include "p16v.h"

#if 0
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Creative Labs, Inc.");
MODULE_DESCRIPTION("Routines for control of EMU10K1 chips");
MODULE_LICENSE("GPL");
#endif

/*************************************************************************
 * EMU10K1 init / done
 *************************************************************************/

void snd_emu10k1_voice_init(emu10k1_t * emu, int ch)
{
	snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
	snd_emu10k1_ptr_write(emu, IP, ch, 0);
	snd_emu10k1_ptr_write(emu, VTFT, ch, 0xffff);
	snd_emu10k1_ptr_write(emu, CVCF, ch, 0xffff);
	snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
	snd_emu10k1_ptr_write(emu, CPF, ch, 0);
	snd_emu10k1_ptr_write(emu, CCR, ch, 0);

	snd_emu10k1_ptr_write(emu, PSST, ch, 0);
	snd_emu10k1_ptr_write(emu, DSL, ch, 0x10);
	snd_emu10k1_ptr_write(emu, CCCA, ch, 0);
	snd_emu10k1_ptr_write(emu, Z1, ch, 0);
	snd_emu10k1_ptr_write(emu, Z2, ch, 0);
	snd_emu10k1_ptr_write(emu, FXRT, ch, 0x32100000);

	snd_emu10k1_ptr_write(emu, ATKHLDM, ch, 0);
	snd_emu10k1_ptr_write(emu, DCYSUSM, ch, 0);
	snd_emu10k1_ptr_write(emu, IFATN, ch, 0xffff);
	snd_emu10k1_ptr_write(emu, PEFE, ch, 0);
	snd_emu10k1_ptr_write(emu, FMMOD, ch, 0);
	snd_emu10k1_ptr_write(emu, TREMFRQ, ch, 24);	/* 1 Hz */
	snd_emu10k1_ptr_write(emu, FM2FRQ2, ch, 24);	/* 1 Hz */
	snd_emu10k1_ptr_write(emu, TEMPENV, ch, 0);

	/*** these are last so OFF prevents writing ***/
	snd_emu10k1_ptr_write(emu, LFOVAL2, ch, 0);
	snd_emu10k1_ptr_write(emu, LFOVAL1, ch, 0);
	snd_emu10k1_ptr_write(emu, ATKHLDV, ch, 0);
	snd_emu10k1_ptr_write(emu, ENVVOL, ch, 0);
	snd_emu10k1_ptr_write(emu, ENVVAL, ch, 0);

	/* Audigy extra stuffs */
	if (emu->audigy) {
		snd_emu10k1_ptr_write(emu, 0x4c, ch, 0); /* ?? */
		snd_emu10k1_ptr_write(emu, 0x4d, ch, 0); /* ?? */
		snd_emu10k1_ptr_write(emu, 0x4e, ch, 0); /* ?? */
		snd_emu10k1_ptr_write(emu, 0x4f, ch, 0); /* ?? */
		snd_emu10k1_ptr_write(emu, A_FXRT1, ch, 0x03020100);
		snd_emu10k1_ptr_write(emu, A_FXRT2, ch, 0x3f3f3f3f);
		snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, ch, 0);
	}
}

static int __devinit snd_emu10k1_init(emu10k1_t * emu, int enable_ir)
{
	int ch, idx, err;
	unsigned int silent_page;

	emu->fx8010.itram_size = (16 * 1024)/2;
	emu->fx8010.etram_pages.area = NULL;
	emu->fx8010.etram_pages.bytes = 0;

	/* disable audio and lock cache */
	outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);

	/* reset recording buffers */
	snd_emu10k1_ptr_write(emu, MICBS, 0, ADCBS_BUFSIZE_NONE);
	snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
	snd_emu10k1_ptr_write(emu, FXBS, 0, ADCBS_BUFSIZE_NONE);
	snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
	snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
	<