cs4236_lib.c

linux-2.6.15.6

#define CS4235_OUTPUT_ACCU(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
  .private_value = 3 << 24 }

static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
{
	switch ((vol >> 5) & 3) {
	case 0: return 1;
	case 1: return 3;
	case 2: return 2;
	case 3: return 0;
 	}
	return 3;
}

static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
{
	switch (vol & 3) {
	case 0: return 3 << 5;
	case 1: return 0 << 5;
	case 2: return 2 << 5;
	case 3: return 1 << 5;
	}
	return 1 << 5;
}

static int snd_cs4235_get_output_accu(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
	ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_cs4235_put_output_accu(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short val1, val2;
	
	val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
	val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
	val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
	change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
	snd_cs4231_out(chip, CS4235_LEFT_MASTER, val1);
	snd_cs4231_out(chip, CS4235_RIGHT_MASTER, val2);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

static snd_kcontrol_new_t snd_cs4236_controls[] = {

CS4236_DOUBLE("Master Digital Playback Switch", 0, CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
CS4236_DOUBLE("Master Digital Capture Switch", 0, CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
CS4236_MASTER_DIGITAL("Master Digital Volume", 0),

CS4236_DOUBLE("Capture Boost Volume", 0, CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1),

CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),

CS4236_DOUBLE("DSP Playback Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
CS4236_DOUBLE("DSP Playback Volume", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1),

CS4236_DOUBLE("FM Playback Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
CS4236_DOUBLE("FM Playback Volume", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1),

CS4236_DOUBLE("Wavetable Playback Switch", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
CS4236_DOUBLE("Wavetable Playback Volume", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1),

CS4231_DOUBLE("Synth Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
CS4231_DOUBLE("Synth Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
CS4231_DOUBLE("Synth Capture Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
CS4231_DOUBLE("Synth Capture Bypass", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),

CS4236_DOUBLE("Mic Playback Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
CS4236_DOUBLE("Mic Capture Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
CS4236_DOUBLE("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 0, 0, 31, 1),
CS4236_DOUBLE("Mic Playback Boost", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),

CS4231_DOUBLE("Line Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Line Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
CS4231_DOUBLE("Line Capture Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
CS4231_DOUBLE("Line Capture Bypass", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),

CS4231_DOUBLE("CD Playback Switch", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("CD Volume", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
CS4231_DOUBLE("CD Capture Switch", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),

CS4236_DOUBLE1("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
CS4236_DOUBLE1("Mono Playback Switch", 0, CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
CS4231_SINGLE("Mono Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),

CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0),
CS4231_DOUBLE("Analog Loopback Capture Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),

CS4231_SINGLE("Digital Loopback Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
CS4236_DOUBLE1("Digital Loopback Playback Volume", 0, CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1)
};

static snd_kcontrol_new_t snd_cs4235_controls[] = {

CS4231_DOUBLE("Master Switch", 0, CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
CS4231_DOUBLE("Master Volume", 0, CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1),

CS4235_OUTPUT_ACCU("Playback Volume", 0),

CS4236_DOUBLE("Master Digital Playback Switch", 0, CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
CS4236_DOUBLE("Master Digital Capture Switch", 0, CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
CS4236_MASTER_DIGITAL("Master Digital Volume", 0),

CS4231_DOUBLE("Master Digital Playback Switch", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
CS4231_DOUBLE("Master Digital Capture Switch", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
CS4231_DOUBLE("Master Digital Volume", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),

CS4236_DOUBLE("Capture Volume", 0, CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1),

CS4231_DOUBLE("PCM Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
CS4231_DOUBLE("PCM Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),

CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),

CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),

CS4236_DOUBLE("Wavetable Switch", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),

CS4236_DOUBLE("Mic Capture Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
CS4236_DOUBLE("Mic Playback Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
CS4236_SINGLE("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1),
CS4236_SINGLE("Mic Playback Boost", 0, CS4236_LEFT_MIC, 5, 1, 0),

CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Aux Capture Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
CS4231_DOUBLE("Aux Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),

CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Aux Capture Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
CS4231_DOUBLE("Aux Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),

CS4236_DOUBLE1("Master Mono Switch", 0, CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),

CS4236_DOUBLE1("Mono Switch", 0, CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
CS4231_SINGLE("Mono Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),

CS4231_DOUBLE("Analog Loopback Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
};

#define CS4236_IEC958_ENABLE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_single, \
  .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
  .private_value = 1 << 16 }

static int snd_cs4236_get_iec958_switch(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
#if 0
	printk("get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
			snd_cs4231_in(chip, CS4231_ALT_FEATURE_1),
			snd_cs4236_ctrl_in(chip, 3),
			snd_cs4236_ctrl_in(chip, 4),
			snd_cs4236_ctrl_in(chip, 5),
			snd_cs4236_ctrl_in(chip, 6),
			snd_cs4236_ctrl_in(chip, 8));
#endif
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_cs4236_put_iec958_switch(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short enable, val;
	
	enable = ucontrol->value.integer.value[0] & 1;

	down(&chip->mce_mutex);
	snd_cs4231_mce_up(chip);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
	change = val != chip->image[CS4231_ALT_FEATURE_1];
	snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, val);
	val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
	snd_cs4236_ctrl_out(chip, 4, val);
	udelay(100);
	val &= ~0x40;
	snd_cs4236_ctrl_out(chip, 4, val);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	snd_cs4231_mce_down(chip);
	up(&chip->mce_mutex);

#if 0
	printk("set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
			snd_cs4231_in(chip, CS4231_ALT_FEATURE_1),
			snd_cs4236_ctrl_in(chip, 3),
			snd_cs4236_ctrl_in(chip, 4),
			snd_cs4236_ctrl_in(chip, 5),
			snd_cs4236_ctrl_in(chip, 6),
			snd_cs4236_ctrl_in(chip, 8));
#endif
	return change;
}

static snd_kcontrol_new_t snd_cs4236_iec958_controls[] = {
CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
};

static snd_kcontrol_new_t snd_cs4236_3d_controls_cs4235[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
};

static snd_kcontrol_new_t snd_cs4236_3d_controls_cs4237[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
};

static snd_kcontrol_new_t snd_cs4236_3d_controls_cs4238[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
};

int snd_cs4236_mixer(cs4231_t *chip)
{
	snd_card_t *card;
	unsigned int idx, count;
	int err;
	snd_kcontrol_new_t *kcontrol;

	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
	card = chip->card;
	strcpy(card->mixername, snd_cs4231_chip_id(chip));

	if (chip->hardware == CS4231_HW_CS4235 ||
	    chip->hardware == CS4231_HW_CS4239) {
		for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
				return err;
		}
	} else {
		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
				return err;
		}
	}
	switch (chip->hardware) {
	case CS4231_HW_CS4235:
	case CS4231_HW_CS4239:
		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
		kcontrol = snd_cs4236_3d_controls_cs4235;
		break;
	case CS4231_HW_CS4237B:
		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
		kcontrol = snd_cs4236_3d_controls_cs4237;
		break;
	case CS4231_HW_CS4238B:
		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
		kcontrol = snd_cs4236_3d_controls_cs4238;
		break;
	default:
		count = 0;
		kcontrol = NULL;
	}
	for (idx = 0; idx < count; idx++, kcontrol++) {
		if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
			return err;
	}
	if (chip->hardware == CS4231_HW_CS4237B ||
	    chip->hardware == CS4231_HW_CS4238B) {
		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
				return err;
		}
	}
	return 0;
}

EXPORT_SYMBOL(snd_cs4236_create);
EXPORT_SYMBOL(snd_cs4236_pcm);
EXPORT_SYMBOL(snd_cs4236_mixer);

/*
 *  INIT part
 */

static int __init alsa_cs4236_init(void)
{
	return 0;
}

static void __exit alsa_cs4236_exit(void)
{
}

module_init(alsa_cs4236_init)
module_exit(alsa_cs4236_exit)