path: root/sound/pci/fm801.c

/*
 *  The driver for the ForteMedia FM801 based soundcards
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *
 *  Support FM only card by Andy Shevchenko <andy@smile.org.ua>
 *
 *   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 <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include <sound/ac97_codec.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>

#include <asm/io.h>

#ifdef CONFIG_SND_FM801_TEA575X_BOOL
#include <sound/tea575x-tuner.h>
#define TEA575X_RADIO 1
#endif

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("ForteMedia FM801");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
		"{Genius,SoundMaker Live 5.1}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
/*
 *  Enable TEA575x tuner
 *    1 = MediaForte 256-PCS
 *    2 = MediaForte 256-PCPR
 *    3 = MediaForte 64-PCR
 *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
 *  High 16-bits are video (radio) device number + 1
 */
static int tea575x_tuner[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
module_param_array(tea575x_tuner, int, NULL, 0444);
MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (1 = SF256-PCS, 2=SF256-PCPR, 3=SF64-PCR, +16=tuner-only).");

#define TUNER_ONLY		(1<<4)
#define TUNER_TYPE_MASK		(~TUNER_ONLY & 0xFFFF)

/*
 *  Direct registers
 */

#define FM801_REG(chip, reg)	(chip->port + FM801_##reg)

#define FM801_PCM_VOL		0x00	/* PCM Output Volume */
#define FM801_FM_VOL		0x02	/* FM Output Volume */
#define FM801_I2S_VOL		0x04	/* I2S Volume */
#define FM801_REC_SRC		0x06	/* Record Source */
#define FM801_PLY_CTRL		0x08	/* Playback Control */
#define FM801_PLY_COUNT		0x0a	/* Playback Count */
#define FM801_PLY_BUF1		0x0c	/* Playback Bufer I */
#define FM801_PLY_BUF2		0x10	/* Playback Buffer II */
#define FM801_CAP_CTRL		0x14	/* Capture Control */
#define FM801_CAP_COUNT		0x16	/* Capture Count */
#define FM801_CAP_BUF1		0x18	/* Capture Buffer I */
#define FM801_CAP_BUF2		0x1c	/* Capture Buffer II */
#define FM801_CODEC_CTRL	0x22	/* Codec Control */
#define FM801_I2S_MODE		0x24	/* I2S Mode Control */
#define FM801_VOLUME		0x26	/* Volume Up/Down/Mute Status */
#define FM801_I2C_CTRL		0x29	/* I2C Control */
#define FM801_AC97_CMD		0x2a	/* AC'97 Command */
#define FM801_AC97_DATA		0x2c	/* AC'97 Data */
#define FM801_MPU401_DATA	0x30	/* MPU401 Data */
#define FM801_MPU401_CMD	0x31	/* MPU401 Command */
#define FM801_GPIO_CTRL		0x52	/* General Purpose I/O Control */
#define FM801_GEN_CTRL		0x54	/* General Control */
#define FM801_IRQ_MASK		0x56	/* Interrupt Mask */
#define FM801_IRQ_STATUS	0x5a	/* Interrupt Status */
#define FM801_OPL3_BANK0	0x68	/* OPL3 Status Read / Bank 0 Write */
#define FM801_OPL3_DATA0	0x69	/* OPL3 Data 0 Write */
#define FM801_OPL3_BANK1	0x6a	/* OPL3 Bank 1 Write */
#define FM801_OPL3_DATA