mixart_mixer.c

linux-2.6.15.6

	0x41ec0000,		/* [251] 29.5 dB */
	0x41f00000,		/* [252] 30.0 dB */
	0x41f40000,		/* [253] 30.5 dB */
	0x41f80000,		/* [254] 31.0 dB */
	0x41fc0000,		/* [255] 31.5 dB */
};

#define MIXART_ANALOG_CAPTURE_LEVEL_MIN   0      /* -96.0 dB + 8.0 dB = -88.0 dB */
#define MIXART_ANALOG_CAPTURE_LEVEL_MAX   255    /*  31.5 dB + 8.0 dB =  39.5 dB */
#define MIXART_ANALOG_CAPTURE_ZERO_LEVEL  176    /*  -8.0 dB + 8.0 dB =  0.0 dB */

#define MIXART_ANALOG_PLAYBACK_LEVEL_MIN  0      /* -96.0 dB + 1.5 dB = -94.5 dB (possible is down to (-114.0+1.5)dB) */
#define MIXART_ANALOG_PLAYBACK_LEVEL_MAX  192    /*   0.0 dB + 1.5 dB =  1.5 dB */
#define MIXART_ANALOG_PLAYBACK_ZERO_LEVEL 189    /*  -1.5 dB + 1.5 dB =  0.0 dB */

static int mixart_update_analog_audio_level(mixart_t* chip, int is_capture)
{
	int i, err;
	mixart_msg_t request;
	mixart_io_level_t io_level;
	mixart_return_uid_t resp;

	memset(&io_level, 0, sizeof(io_level));
	io_level.channel = -1; /* left and right */

	for(i=0; i<2; i++) {
		if(is_capture) {
			io_level.level[i].analog_level = mixart_analog_level[chip->analog_capture_volume[i]];
		} else {
			if(chip->analog_playback_active[i])
				io_level.level[i].analog_level = mixart_analog_level[chip->analog_playback_volume[i]];
			else
				io_level.level[i].analog_level = mixart_analog_level[MIXART_ANALOG_PLAYBACK_LEVEL_MIN];
		}
	}

	if(is_capture)	request.uid = chip->uid_in_analog_physio;
	else		request.uid = chip->uid_out_analog_physio;
	request.message_id = MSG_PHYSICALIO_SET_LEVEL;
	request.data = &io_level;
	request.size = sizeof(io_level);

	err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
	if((err<0) || (resp.error_code)) {
		snd_printk(KERN_DEBUG "error MSG_PHYSICALIO_SET_LEVEL card(%d) is_capture(%d) error_code(%x)\n", chip->chip_idx, is_capture, resp.error_code);
		return -EINVAL;
	}
	return 0;
}

/*
 * analog level control
 */
static int mixart_analog_vol_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	if(kcontrol->private_value == 0) {	/* playback */
		uinfo->value.integer.min = MIXART_ANALOG_PLAYBACK_LEVEL_MIN;  /* -96 dB */
		uinfo->value.integer.max = MIXART_ANALOG_PLAYBACK_LEVEL_MAX;  /* 0 dB */
	} else {				/* capture */
		uinfo->value.integer.min = MIXART_ANALOG_CAPTURE_LEVEL_MIN;   /* -96 dB */
		uinfo->value.integer.max = MIXART_ANALOG_CAPTURE_LEVEL_MAX;   /* 31.5 dB */
	}
	return 0;
}

static int mixart_analog_vol_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	mixart_t *chip = snd_kcontrol_chip(kcontrol);
	down(&chip->mgr->mixer_mutex);
	if(kcontrol->private_value == 0) {	/* playback */
		ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
		ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
	} else {				/* capture */
		ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
		ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
	}
	up(&chip->mgr->mixer_mutex);
	return 0;
}

static int mixart_analog_vol_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	mixart_t *chip = snd_kcontrol_chip(kcontrol);
	int changed = 0;
	int is_capture, i;

	down(&chip->mgr->mixer_mutex);
	is_capture = (kcontrol->private_value != 0);
	for(i=0; i<2; i++) {
		int  new_volume = ucontrol->value.integer.value[i];
		int* stored_volume = is_capture ? &chip->analog_capture_volume[i] : &chip->analog_playback_volume[i];
		if(*stored_volume != new_volume) {
			*stored_volume = new_volume;
			changed = 1;
		}
	}
	if(changed)	mixart_update_analog_audio_level(chip, is_capture);
	up(&chip->mgr->mixer_mutex);
	return changed;
}

static snd_kcontrol_new_t mixart_control_analog_level = {
	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
	/* name will be filled later */
	.info =		mixart_analog_vol_info,
	.get =		mixart_analog_vol_get,
	.put =		mixart_analog_vol_put,
};

/* shared */
static int mixart_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int mixart_audio_sw_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	mixart_t *chip = snd_kcontrol_chip(kcontrol);

	down(&chip->mgr->mixer_mutex);
	ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
	ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
	up(&chip->mgr->mixer_mutex);
	return 0;
}

static int mixart_audio_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	mixart_t *chip = snd_kcontrol_chip(kcontrol);
	int i, changed = 0;
	down(&chip->mgr->mixer_mutex);
	for(i=0; i<2; i++) {
		if(chip->analog_playback_active[i] != ucontrol->value.integer.value[i]) {
			chip->analog_playback_active[i] = ucontrol->value.integer.value[i];
			changed = 1;
		}
	}
	if(changed)	mixart_update_analog_audio_level(chip, 0); /* update playback levels */
	up(&chip->mgr->mixer_mutex);
	return changed;
}

static snd_kcontrol_new_t mixart_control_output_switch = {
	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =         "Master Playback Switch",
	.info =         mixart_sw_info,		/* shared */
	.get =          mixart_audio_sw_get,
	.put =          mixart_audio_sw_put
};

static u32 mixart_digital_level[256] = {
	0x00000000,		/* [000] = 0.00e+000 = mute if <= -109.5dB */
	0x366e1c7a,		/* [001] = 3.55e-006 = pow(10.0, 0.05 * -109.0dB) */
	0x367c3860,		/* [002] = 3.76e-006 = pow(10.0, 0.05 * -108.5dB) */
	0x36859525,		/* [003] = 3.98e-006 = pow(10.0, 0.05 * -108.0dB) */
	0x368d7f74,		/* [004] = 4.22e-006 = pow(10.0, 0.05 * -107.5dB) */
	0x3695e1d4,		/* [005] = 4.47e-006 = pow(10.0, 0.05 * -107.0dB) */
	0x369ec362,		/* [006] = 4.73e-006 = pow(10.0, 0.05 * -106.5dB) */
	0x36a82ba8,		/* [007] = 5.01e-006 = pow(10.0, 0.05 * -106.0dB) */
	0x36b222a0,		/* [008] = 5.31e-006 = pow(10.0, 0.05 * -105.5dB) */
	0x36bcb0c1,		/* [009] = 5.62e-006 = pow(10.0, 0.05 * -105.0dB) */
	0x36c7defd,		/* [010] = 5.96e-006 = pow(10.0, 0.05 * -104.5dB) */
	0x36d3b6d3,		/* [011] = 6.31e-006 = pow(10.0, 0.05 * -104.0dB) */
	0x36e0424e,		/* [012] = 6.68e-006 = pow(10.0, 0.05 * -103.5dB) */
	0x36ed8c14,		/* [013] = 7.08e-006 = pow(10.0, 0.05 * -103.0dB) */
	0x36fb9f6c,		/* [014] = 7.50e-006 = pow(10.0, 0.05 * -102.5dB) */
	0x37054423,		/* [015] = 7.94e-006 = pow(10.0, 0.05 * -102.0dB) */
	0x370d29a5,		/* [016] = 8.41e-006 = pow(10.0, 0.05 * -101.5dB) */
	0x371586f0,		/* [017] = 8.91e-006 = pow(10.0, 0.05 * -101.0dB) */
	0x371e631b,		/* [018] = 9.44e-006 = pow(10.0, 0.05 * -100.5dB) */
	0x3727c5ac,		/* [019] = 1.00e-005 = pow(10.0, 0.05 * -100.0dB) */
	0x3731b69a,		/* [020] = 1.06e-005 = pow(10.0, 0.05 * -99.5dB) */
	0x373c3e53,		/* [021] = 1.12e-005 = pow(10.0, 0.05 * -99.0dB) */
	0x374765c8,		/* [022] = 1.19e-005 = pow(10.0, 0.05 * -98.5dB) */
	0x3753366f,		/* [023] = 1.26e-005 = pow(10.0, 0.05 * -98.0dB) */
	0x375fba4f,		/* [024] = 1.33e-005 = pow(10.0, 0.05 * -97.5dB) */
	0x376cfc07,		/* [025] = 1.41e-005 = pow(10.0, 0.05 * -97.0dB) */
	0x377b06d5,		/* [026] = 1.50e-005 = pow(10.0, 0.05 * -96.5dB) */
	0x3784f352,		/* [027] = 1.58e-005 = pow(10.0, 0.05 * -96.0dB) */
	0x378cd40b,		/* [028] = 1.68e-005 = pow(10.0, 0.05 * -95.5dB) */
	0x37952c42,		/* [029] = 1.78e-005 = pow(10.0, 0.05 * -95.0dB) */
	0x379e030e,		/* [030] = 1.88e-005 = pow(10.0, 0.05 * -94.5dB) */
	0x37a75fef,		/* [031] = 2.00e-005 = pow(10.0, 0.05 * -94.0dB) */
	0x37b14ad5,		/* [032] = 2.11e-005 = pow(10.0, 0.05 * -93.5dB) */
	0x37bbcc2c,		/* [033] = 2.24e-005 = pow(10.0, 0.05 * -93.0dB) */
	0x37c6ecdd,		/* [034] = 2.37e-005 = pow(10.0, 0.05 * -92.5dB) */
	0x37d2b65a,		/* [035] = 2.51e-005 = pow(10.0, 0.05 * -92.0dB) */
	0x37df32a3,		/* [036] = 2.66e-005 = pow(10.0, 0.05 * -91.5dB) */
	0x37ec6c50,		/* [037] = 2.82e-005 = pow(10.0, 0.05 * -91.0dB) */
	0x37fa6e9b,		/* [038] = 2.99e-005 = pow(10.0, 0.05 * -90.5dB) */
	0x3804a2b3,		/* [039] = 3.16e-005 = pow(10.0, 0.05 * -90.0dB) */
	0x380c7ea4,		/* [040] = 3.35e-005 = pow(10.0, 0.05 * -89.5dB) */
	0x3814d1cc,		/* [041] = 3.55e-005 = pow(10.0, 0.05 * -89.0dB) */
	0x381da33c,		/* [042] = 3.76e-005 = pow(10.0, 0.05 * -88.5dB) */
	0x3826fa6f,		/* [043] = 3.98e-005 = pow(10.0, 0.05 * -88.0dB) */
	0x3830df51,		/* [044] = 4.22e-005 = pow(10.0, 0.05 * -87.5dB) */
	0x383b5a49,		/* [045] = 4.47e-005 = pow(10.0, 0.05 * -87.0dB) */
	0x3846743b,		/* [046] = 4.73e-005 = pow(10.0, 0.05 * -86.5dB) */
	0x38523692,		/* [047] = 5.01e-005 = pow(10.0, 0.05 * -86.0dB) */
	0x385eab48,		/* [048] = 5.31e-005 = pow(10.0, 0.05 * -85.5dB) */
	0x386bdcf1,		/* [049] = 5.62e-005 = pow(10.0, 0.05 * -85.0dB) */
	0x3879d6bc,		/* [050] = 5.96e-005 = pow(10.0, 0.05 * -84.5dB) */
	0x38845244,		/* [051] = 6.31e-005 = pow(10.0, 0.05 * -84.0dB) */
	0x388c2971,		/* [052] = 6.68e-005 = pow(10.0, 0.05 * -83.5dB) */
	0x3894778d,		/* [053] = 7.08e-005 = pow(10.0, 0.05 * -83.0dB) */
	0x389d43a4,		/* [054] = 7.50e-005 = pow(10.0, 0.05 * -82.5dB) */
	0x38a6952c,		/* [055] = 7.94e-005 = pow(10.0, 0.05 * -82.0dB) */
	0x38b0740f,		/* [056] = 8.41e-005 = pow(10.0, 0.05 * -81.5dB) */
	0x38bae8ac,		/* [057] = 8.91e-005 = pow(10.0, 0.05 * -81.0dB) */
	0x38c5fbe2,		/* [058] = 9.44e-005 = pow(10.0, 0.05 * -80.5dB) */
	0x38d1b717,		/* [059] = 1.00e-004 = pow(10.0, 0.05 * -80.0dB) */
	0x38de2440,		/* [060] = 1.06e-004 = pow(10.0, 0.05 * -79.5dB) */
	0x38eb4de8,		/* [061] = 1.12e-004 = pow(10.0, 0.05 * -79.0dB) */
	0x38f93f3a,		/* [062] = 1.19e-004 = pow(10.0, 0.05 * -78.5dB) */
	0x39040206,		/* [063] = 1.26e-004 = pow(10.0, 0.05 * -78.0dB) */
	0x390bd472,		/* [064] = 1.33e-004 = pow(10.0, 0.05 * -77.5dB) */
	0x39141d84,		/* [065] = 1.41e-004 = pow(10.0, 0.05 * -77.0dB) */
	0x391ce445,		/* [066] = 1.50e-004 = pow(10.0, 0.05 * -76.5dB) */
	0x39263027,		/* [067] = 1.58e-004 = pow(10.0, 0.05 * -76.0dB) */
	0x3930090d,		/* [068] = 1.68e-004 = pow(10.0, 0.05 * -75.5dB) */
	0x393a7753,		/* [069] = 1.78e-004 = pow(10.0, 0.05 * -75.0dB) */
	0x394583d2,		/* [070] = 1.88e-004 = pow(10.0, 0.05 * -74.5dB) */
	0x395137ea,		/* [071] = 2.00e-004 = pow(10.0, 0.05 * -74.0dB) */
	0x395d9d8a,		/* [072] = 2.11e-004 = pow(10.0, 0.05 * -73.5dB) */
	0x396abf37,		/* [073] = 2.24e-004 = pow(10.0, 0.05 * -73.0dB) */
	0x3978a814,		/* [074] = 2.37e-004 = pow(10.0, 0.05 * -72.5dB) */
	0x3983b1f8,		/* [075] = 2.51e-004 = pow(10.0, 0.05 * -72.0dB) */
	0x398b7fa6,		/* [076] = 2.66e-004 = pow(10.0, 0.05 * -71.5dB) */
	0x3993c3b2,		/* [077] = 2.82e-004 = pow(10.0, 0.05 * -71.0dB) */
	0x399c8521,		/* [078] = 2.99e-004 = pow(10.0, 0.05 * -70.5dB) */
	0x39a5cb5f,		/* [079] = 3.16e-004 = pow(10.0, 0.05 * -70.0dB) */
	0x39af9e4d,		/* [080] = 3.35e-004 = pow(10.0, 0.05 * -69.5dB) */
	0x39ba063f,		/* [081] = 3.55e-004 = pow(10.0, 0.05 * -69.0dB) */
	0x39c50c0b,		/* [082] = 3.76e-004 = pow(10.0, 0.05 * -68.5dB) */
	0x39d0b90a,		/* [083] = 3.98e-004 = pow(10.0, 0.05 * -68.0dB) */
	0x39dd1726,		/* [084] = 4.22e-004 = pow(10.0, 0.05 * -67.5dB) */
	0x39ea30db,		/* [085] = 4.47e-004 = pow(10.0, 0.05 * -67.0dB) */
	0x39f81149,		/* [086] = 4.73e-004 = pow(10.0, 0.05 * -66.5dB) */
	0x3a03621b,		/* [087] = 5.01e-004 = pow(10.0, 0.05 * -66.0dB) */
	0x3a0b2b0d,		/* [088] = 5.31e-004 = pow(10.0, 0.05 * -65.5dB) */
	0x3a136a16,		/* [089] = 5.62e-004 = pow(10.0, 0.05 * -65.0dB) */
	0x3a1c2636,		/* [090] = 5.96e-004 = pow(10.0, 0.05 * -64.5dB) */
	0x3a2566d5,		/* [091] = 6.31e-004 = pow(10.0, 0.05 * -64.0dB) */
	0x3a2f33cd,		/* [092] = 6.68e-004 = pow(10.0, 0.05 * -63.5dB) */
	0x3a399570,		/* [093] = 7.08e-004 = pow(10.0, 0.05 * -63.0dB) */
	0x3a44948c,		/* [094] = 7.50e-004 = pow(10.0, 0.05 * -62.5dB) */
	0x3a503a77,		/* [095] = 7.94e-004 = pow(10.0, 0.05 * -62.0dB) */
	0x3a5c9112,		/* [096] = 8.41e-004 = pow(10.0, 0.05 * -61.5dB) */
	0x3a69a2d7,		/* [097] = 8.91e-004 = pow(10.0, 0.05 * -61.0dB) */
	0x3a777ada,		/* [098] = 9.44e-004 = pow(10.0, 0.05 * -60.5dB) */
	0x3a83126f,		/* [099] = 1.00e-003 = pow(10.0, 0.05 * -60.0dB) */
	0x3a8ad6a8,		/* [100] = 1.06e-003 = pow(10.0, 0.05 * -59.5dB) */
	0x3a9310b1,		/* [101] = 1.12e-003 = pow(10.0, 0.05 * -59.0dB) */
	0x3a9bc784,		/* [102] = 1.19e-003 = pow(10.0, 0.05 * -58.5dB) */
	0x3aa50287,		/* [103] = 1.26e-003 = pow(10.0, 0.05 * -58.0dB) */
	0x3aaec98e,		/* [104] = 1.33e-003 = pow(10.0, 0.05 * -57.5dB) */
	0x3ab924e5,		/* [105] = 1.41e-003 = pow(10.0, 0.05 * -57.0dB) */
	0x3ac41d56,		/* [106] = 1.50e-003 = pow(10.0, 0.05 * -56.5dB) */
	0x3acfbc31,		/* [107] = 1.58e-003 = pow(10.0, 0.05 * -56.0dB) */
	0x3adc0b51,		/* [108] = 1.68e-003 = pow(10.0, 0.05 * -55.5dB) */
	0x3ae91528,		/* [109] = 1.78e-003 = pow(10.0, 0.05 * -55.0dB) */
	0x3af6e4c6,		/* [110] = 1.88e-003 = pow(10.0, 0.05 * -54.5dB) */
	0x3b02c2f2,		/* [111] = 2.00e-003 = pow(10.0, 0.05 * -54.0dB) */
	0x3b0a8276,		/* [112] = 2.11e-003 = pow(10.0, 0.05 * -53.5dB) */
	0x3b12b782,		/* [113] = 2.24e-003 = pow(10.0, 0.05 * -53.0dB) */
	0x3b1b690d,		/* [114] = 2.37e-003 = pow(10.0, 0.05 * -52.5dB) */
	0x3b249e76,		/* [115] = 2.51e-003 = pow(10.0, 0.05 * -52.0dB) */
	0x3b2e5f8f,		/* [116] = 2.66e-003 = pow(10.0, 0.05 * -51.5dB) */
	0x3b38b49f,		/* [117] = 2.82e-003 = pow(10.0, 0.05 * -51.0dB) */
	0x3b43a669,		/* [118] = 2.99e-003 = pow(10.0, 0.05 * -50.5dB) */
	0x3b4f3e37,		/* [119] = 3.16e-003 = pow(10.0, 0.05 * -50.0dB) */
	0x3b5b85e0,		/* [120] = 3.35e-003 = pow(10.0, 0.05 * -49.5dB) */
	0x3b6887cf,		/* [121] = 3.55e-003 = pow(10.0, 0.05 * -49.0dB) */
	0x3b764f0e,		/* [122] = 3.76e-003 = pow(10.0, 0.05 * -48.5dB) */
	0x3b8273a6,		/* [123] = 3.98e-003 = pow(10.0, 0.05 * -48.0dB) */
	0x3b8a2e77,		/* [124] = 4.22e-003 = pow(10.0, 0.05 * -47.5dB) */
	0x3b925e89,		/* [125] = 4.47e-003 = pow(10.0, 0.05 * -47.0dB) */
	0x3b9b0ace,		/* [126] = 4.73e-003 = pow(10.0, 0.05 * -46.5dB) */
	0x3ba43aa2,		/* [127] = 5.01e-003 = pow(10.0, 0.05 * -46.0dB) */