sb_ess.c

iis s3c2410-uda1341语音系统的 开发

 *
 * These registers specifically take care of recording levels. To make the
 * mapping from playback devices to recording devices every recording
 * devices = playback device + ES_REC_MIXER_RECDIFF
 */
#define ES_REC_MIXER_RECBASE	(SOUND_MIXER_LINE3 + 1)
#define ES_REC_MIXER_RECDIFF	(ES_REC_MIXER_RECBASE - SOUND_MIXER_SYNTH)

#define ES_REC_MIXER_RECSYNTH	(SOUND_MIXER_SYNTH	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECPCM		(SOUND_MIXER_PCM	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECSPEAKER	(SOUND_MIXER_SPEAKER + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECLINE	(SOUND_MIXER_LINE	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECMIC		(SOUND_MIXER_MIC	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECCD		(SOUND_MIXER_CD		 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECIMIX	(SOUND_MIXER_IMIX	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECALTPCM	(SOUND_MIXER_ALTPCM	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECRECLEV	(SOUND_MIXER_RECLEV	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECIGAIN	(SOUND_MIXER_IGAIN	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECOGAIN	(SOUND_MIXER_OGAIN	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECLINE1	(SOUND_MIXER_LINE1	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECLINE2	(SOUND_MIXER_LINE2	 + ES_REC_MIXER_RECDIFF)
#define ES_REC_MIXER_RECLINE3	(SOUND_MIXER_LINE3	 + ES_REC_MIXER_RECDIFF)

static mixer_tab es688_mix = {
MIX_ENT(SOUND_MIXER_VOLUME,			0x32, 7, 4, 0x32, 3, 4),
MIX_ENT(SOUND_MIXER_BASS,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_TREBLE,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_SYNTH,			0x36, 7, 4, 0x36, 3, 4),
MIX_ENT(SOUND_MIXER_PCM,			0x14, 7, 4, 0x14, 3, 4),
MIX_ENT(SOUND_MIXER_SPEAKER,		0x3c, 2, 3, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE,			0x3e, 7, 4, 0x3e, 3, 4),
MIX_ENT(SOUND_MIXER_MIC,			0x1a, 7, 4, 0x1a, 3, 4),
MIX_ENT(SOUND_MIXER_CD,				0x38, 7, 4, 0x38, 3, 4),
MIX_ENT(SOUND_MIXER_IMIX,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_ALTPCM,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_RECLEV,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_IGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_OGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE1,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE2,			0x3a, 7, 4, 0x3a, 3, 4),
MIX_ENT(SOUND_MIXER_LINE3,			0x00, 0, 0, 0x00, 0, 0)
};

/*
 * The ES1688 specifics... hopefully correct...
 * - 6 bit master volume
 *   I was wrong, ES1888 docs say ES1688 didn't have it.
 * - RECLEV control
 * These may apply to ES688 too. I have no idea.
 */
static mixer_tab es1688_mix = {
MIX_ENT(SOUND_MIXER_VOLUME,			0x32, 7, 4, 0x32, 3, 4),
MIX_ENT(SOUND_MIXER_BASS,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_TREBLE,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_SYNTH,			0x36, 7, 4, 0x36, 3, 4),
MIX_ENT(SOUND_MIXER_PCM,			0x14, 7, 4, 0x14, 3, 4),
MIX_ENT(SOUND_MIXER_SPEAKER,		0x3c, 2, 3, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE,			0x3e, 7, 4, 0x3e, 3, 4),
MIX_ENT(SOUND_MIXER_MIC,			0x1a, 7, 4, 0x1a, 3, 4),
MIX_ENT(SOUND_MIXER_CD,				0x38, 7, 4, 0x38, 3, 4),
MIX_ENT(SOUND_MIXER_IMIX,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_ALTPCM,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_RECLEV,			0xb4, 7, 4, 0xb4, 3, 4),
MIX_ENT(SOUND_MIXER_IGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_OGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE1,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE2,			0x3a, 7, 4, 0x3a, 3, 4),
MIX_ENT(SOUND_MIXER_LINE3,			0x00, 0, 0, 0x00, 0, 0)
};

static mixer_tab es1688later_mix = {
MIX_ENT(SOUND_MIXER_VOLUME,			0x60, 5, 6, 0x62, 5, 6),
MIX_ENT(SOUND_MIXER_BASS,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_TREBLE,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_SYNTH,			0x36, 7, 4, 0x36, 3, 4),
MIX_ENT(SOUND_MIXER_PCM,			0x14, 7, 4, 0x14, 3, 4),
MIX_ENT(SOUND_MIXER_SPEAKER,		0x3c, 2, 3, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE,			0x3e, 7, 4, 0x3e, 3, 4),
MIX_ENT(SOUND_MIXER_MIC,			0x1a, 7, 4, 0x1a, 3, 4),
MIX_ENT(SOUND_MIXER_CD,				0x38, 7, 4, 0x38, 3, 4),
MIX_ENT(SOUND_MIXER_IMIX,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_ALTPCM,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_RECLEV,			0xb4, 7, 4, 0xb4, 3, 4),
MIX_ENT(SOUND_MIXER_IGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_OGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE1,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE2,			0x3a, 7, 4, 0x3a, 3, 4),
MIX_ENT(SOUND_MIXER_LINE3,			0x00, 0, 0, 0x00, 0, 0)
};

/*
 * This one is for all ESS chips with a record mixer.
 * It's not used (yet) however
 */
static mixer_tab es_rec_mix = {
MIX_ENT(SOUND_MIXER_VOLUME,			0x60, 5, 6, 0x62, 5, 6),
MIX_ENT(SOUND_MIXER_BASS,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_TREBLE,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_SYNTH,			0x36, 7, 4, 0x36, 3, 4),
MIX_ENT(SOUND_MIXER_PCM,			0x14, 7, 4, 0x14, 3, 4),
MIX_ENT(SOUND_MIXER_SPEAKER,		0x3c, 2, 3, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE,			0x3e, 7, 4, 0x3e, 3, 4),
MIX_ENT(SOUND_MIXER_MIC,			0x1a, 7, 4, 0x1a, 3, 4),
MIX_ENT(SOUND_MIXER_CD,				0x38, 7, 4, 0x38, 3, 4),
MIX_ENT(SOUND_MIXER_IMIX,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_ALTPCM,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_RECLEV,			0xb4, 7, 4, 0xb4, 3, 4),
MIX_ENT(SOUND_MIXER_IGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_OGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE1,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE2,			0x3a, 7, 4, 0x3a, 3, 4),
MIX_ENT(SOUND_MIXER_LINE3,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECSYNTH,		0x6b, 7, 4, 0x6b, 3, 4),
MIX_ENT(ES_REC_MIXER_RECPCM,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECSPEAKER,	0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECLINE,		0x6e, 7, 4, 0x6e, 3, 4),
MIX_ENT(ES_REC_MIXER_RECMIC,		0x68, 7, 4, 0x68, 3, 4),
MIX_ENT(ES_REC_MIXER_RECCD,			0x6a, 7, 4, 0x6a, 3, 4),
MIX_ENT(ES_REC_MIXER_RECIMIX,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECALTPCM,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECRECLEV,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECIGAIN,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECOGAIN,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECLINE1,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECLINE2,		0x6c, 7, 4, 0x6c, 3, 4),
MIX_ENT(ES_REC_MIXER_RECLINE3,		0x00, 0, 0, 0x00, 0, 0)
};

/*
 * This one is for ES1887. It's little different from es_rec_mix: it
 * has 0x7c for PCM playback level. This is because ES1887 uses
 * Audio 2 for playback.
 */
static mixer_tab es1887_mix = {
MIX_ENT(SOUND_MIXER_VOLUME,			0x60, 5, 6, 0x62, 5, 6),
MIX_ENT(SOUND_MIXER_BASS,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_TREBLE,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_SYNTH,			0x36, 7, 4, 0x36, 3, 4),
MIX_ENT(SOUND_MIXER_PCM,			0x7c, 7, 4, 0x7c, 3, 4),
MIX_ENT(SOUND_MIXER_SPEAKER,		0x3c, 2, 3, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE,			0x3e, 7, 4, 0x3e, 3, 4),
MIX_ENT(SOUND_MIXER_MIC,			0x1a, 7, 4, 0x1a, 3, 4),
MIX_ENT(SOUND_MIXER_CD,				0x38, 7, 4, 0x38, 3, 4),
MIX_ENT(SOUND_MIXER_IMIX,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_ALTPCM,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_RECLEV,			0xb4, 7, 4, 0xb4, 3, 4),
MIX_ENT(SOUND_MIXER_IGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_OGAIN,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE1,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(SOUND_MIXER_LINE2,			0x3a, 7, 4, 0x3a, 3, 4),
MIX_ENT(SOUND_MIXER_LINE3,			0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECSYNTH,		0x6b, 7, 4, 0x6b, 3, 4),
MIX_ENT(ES_REC_MIXER_RECPCM,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECSPEAKER,	0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECLINE,		0x6e, 7, 4, 0x6e, 3, 4),
MIX_ENT(ES_REC_MIXER_RECMIC,		0x68, 7, 4, 0x68, 3, 4),
MIX_ENT(ES_REC_MIXER_RECCD,			0x6a, 7, 4, 0x6a, 3, 4),
MIX_ENT(ES_REC_MIXER_RECIMIX,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECALTPCM,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECRECLEV,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECIGAIN,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECOGAIN,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECLINE1,		0x00, 0, 0, 0x00, 0, 0),
MIX_ENT(ES_REC_MIXER_RECLINE2,		0x6c, 7, 4, 0x6c, 3, 4),
MIX_ENT(ES_REC_MIXER_RECLINE3,		0x00, 0, 0, 0x00, 0, 0)
};

static int ess_has_rec_mixer (int submodel)
{
	switch (submodel) {
	case SUBMDL_ES1887:
		return 1;
	default:
		return 0;
	};
};

#ifdef FKS_LOGGING
static int ess_mixer_mon_regs[]
	= { 0x70, 0x71, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7d, 0x7f
	  , 0xa1, 0xa2, 0xa4, 0xa5, 0xa8, 0xa9
	  , 0xb1, 0xb2, 0xb4, 0xb5, 0xb6, 0xb7, 0xb9
	  , 0x00};

static void ess_show_mixerregs (sb_devc *devc)
{
	int *mp = ess_mixer_mon_regs;

return;

	while (*mp != 0) {
		printk (KERN_INFO "res (%x)=%x\n", *mp, (int)(ess_getmixer (devc, *mp)));
		mp++;
	}
}
#endif

void ess_setmixer (sb_devc * devc, unsigned int port, unsigned int value)
{
	unsigned long flags;

#ifdef FKS_LOGGING
printk(KERN_INFO "FKS: write mixer %x: %x\n", port, value);
#endif

	spin_lock_irqsave(&devc->lock, flags);
	if (port >= 0xa0) {
		ess_write (devc, port, value);
	} else {
		outb(((unsigned char) (port & 0xff)), MIXER_ADDR);

		udelay(20);
		outb(((unsigned char) (value & 0xff)), MIXER_DATA);
		udelay(20);
	};
	spin_unlock_irqrestore(&devc->lock, flags);
}

unsigned int ess_getmixer (sb_devc * devc, unsigned int port)
{
	unsigned int val;
	unsigned long flags;

	spin_lock_irqsave(&devc->lock, flags);

	if (port >= 0xa0) {
		val = ess_read (devc, port);
	} else {
		outb(((unsigned char) (port & 0xff)), MIXER_ADDR);

		udelay(20);
		val = inb(MIXER_DATA);
		udelay(20);
	}
	spin_unlock_irqrestore(&devc->lock, flags);

	return val;
}

static void ess_chgmixer
	(sb_devc * devc, unsigned int reg, unsigned int mask, unsigned int val)
{
	int value;

	value = ess_getmixer (devc, reg);
	value = (value & ~mask) | (val & mask);
	ess_setmixer (devc, reg, value);
}

/*
 * ess_mixer_init must be called from sb_mixer_init
 */
void ess_mixer_init (sb_devc * devc)
{
	devc->mixer_caps = SOUND_CAP_EXCL_INPUT;

	/*
	* Take care of ES1887 specifics...
	*/
	switch (devc->submodel) {
	case SUBMDL_ES1887:
		devc->supported_devices		= ES1887_MIXER_DEVICES;
		devc->supported_rec_devices	= ES1887_RECORDING_DEVICES;
#ifdef FKS_LOGGING
printk (KERN_INFO "FKS: ess_mixer_init dup = %d\n", devc->duplex);
#endif
		if (devc->duplex) {
			devc->iomap				= &es1887_mix;
		} else {
			devc->iomap				= &es_rec_mix;
		}
		break;
	default:
		if (devc->submodel < 8) {
			devc->supported_devices		= ES688_MIXER_DEVICES;
			devc->supported_rec_devices	= ES688_RECORDING_DEVICES;
			devc->iomap					= &es688_mix;
		} else {
			/*
			 * es1688 has 4 bits master vol.
			 * later chips have 6 bits (?)
			 */
			devc->supported_devices		= ES1688_MIXER_DEVICES;
			devc->supported_rec_devices	= ES1688_RECORDING_DEVICES;
			if (devc->submodel < 0x10) {
				devc->iomap				= &es1688_mix;
			} else {
				devc->iomap				= &es1688later_mix;
			}
		}
	}
}

/*
 * Changing playback levels at an ESS chip with record mixer means having to
 * take care of recording levels of recorded inputs (devc->recmask) too!
 */
int ess_mixer_set(sb_devc *devc, int dev, int left, int right)
{
	if (ess_has_rec_mixer (devc->submodel) && (devc->recmask & (1 << dev))) {
		sb_common_mixer_set (devc, dev + ES_REC_MIXER_RECDIFF, left, right);
	}
	return sb_common_mixer_set (devc, dev, left, right);
}

/*
 * After a sb_dsp_reset extended register 0xb4 (RECLEV) is reset too. After
 * sb_dsp_reset RECLEV has to be restored. This is where ess_mixer_reload
 * helps.
 */
void ess_mixer_reload (sb_devc *devc, int dev)
{
	int left, right, value;

	value = devc->levels[dev];
	left  = value & 0x000000ff;
	right = (value & 0x0000ff00) >> 8;

	sb_common_mixer_set(devc, dev, left, right);
}

int es_rec_set_recmask(sb_devc * devc, int mask)
{
	int i, i_mask, cur_mask, diff_mask;
	int value, left, right;

#ifdef FKS_LOGGING
printk (KERN_INFO "FKS: es_rec_set_recmask mask = %x\n", mask);
#endif
	/*
	 * Changing the recmask on an ESS chip with recording mixer means:
	 * (1) Find the differences
	 * (2) For "turned-on"  inputs: make the recording level the playback level
	 * (3) For "turned-off" inputs: make the recording level zero
	 */
	cur_mask  = devc->recmask;
	diff_mask = (cur_mask ^ mask);

	for (i = 0; i < 32; i++) {
		i_mask = (1 << i);
		if (diff_mask & i_mask) {	/* Difference? (1)  */
			if (mask & i_mask) {	/* Turn it on  (2)  */
				value = devc->levels[i];
				left  = value & 0x000000ff;
				right = (value & 0x0000ff00) >> 8;
			} else {				/* Turn it off (3)  */
				left  = 0;
				left  = 0;
				right = 0;
			}
			sb_common_mixer_set(devc, i + ES_REC_MIXER_RECDIFF, left, right);
		}
	}
	return mask;
}

int ess_set_recmask(sb_devc * devc, int *mask)
{
	/* This applies to ESS chips with record mixers only! */

	if (ess_has_rec_mixer (devc->submodel)) {
		*mask	= es_rec_set_recmask (devc, *mask);
		return 1;									/* Applied		*/
	} else {
		return 0;									/* Not applied	*/
	}
}

/*
 * ess_mixer_reset must be called from sb_mixer_reset
 */
int ess_mixer_reset (sb_devc * devc)
{
	/*
	 * Separate actions for ESS chips with a record mixer:
	 */
	if (ess_has_rec_mixer (devc->submodel)) {
		switch (devc->submodel) {
		case SUBMDL_ES1887:
			/*
			 * Separate actions for ES1887:
			 * Change registers 7a and 1c to make the record mixer the
			 * actual recording source.
			 */
			ess_chgmixer(devc, 0x7a, 0x18, 0x08);
			ess_chgmixer(devc, 0x1c, 0x07, 0x07);
			break;
		};
		/*
		 * Call set_recmask for proper initialization
		 */
		devc->recmask = devc->supported_rec_devices;
		es_rec_set_recmask(devc, 0);
		devc->recmask = 0;

		return 1;	/* We took care of recmask.				*/
	} else {
		return 0;	/* We didn't take care; caller do it	*/
	}
}

/****************************************************************************
 *																			*
 *								ESS midi									*
 *																			*
 ****************************************************************************/

/*
 * FKS: IRQ may be shared. Hm. And if so? Then What?
 */
int ess_midi_init(sb_devc * devc, struct address_info *hw_config)
{
	unsigned char   cfg, tmp;

	cfg = ess_getmixer (devc, 0x40) & 0x03;

	if (devc->submodel < 8) {
		ess_setmixer (devc, 0x40, cfg | 0x03);	/* Enable OPL3 & joystick */
		return 0;  					 /* ES688 doesn't support MPU401 mode */
	}
	tmp = (hw_config->io_base & 0x0f0) >> 4;

	if (tmp > 3) {
		ess_setmixer (devc, 0x40, cfg);
		return 0;
	}
	cfg |= tmp << 3;

	tmp = 1;		/* MPU enabled without interrupts */

	/* May be shared: if so the value is -ve */

	switch (abs(hw_config->irq)) {
		case 9:
			tmp = 0x4;
			break;
		case 5:
			tmp = 0x5;
			break;
		case 7:
			tmp = 0x6;
			break;
		case 10:
			tmp = 0x7;
			break;
		default:
			return 0;
	}

	cfg |= tmp << 5;
	ess_setmixer (devc, 0x40, cfg | 0x03);

	return 1;
}