pontis.c

linux-2.6.15.6

}


/*
 * SPDIF input source
 */
static int cs_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
	static char *texts[] = {
		"Coax",		/* RXP0 */
		"Optical",	/* RXP1 */
		"CD",		/* RXP2 */
	};
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int cs_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);

	down(&ice->gpio_mutex);
	ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
	up(&ice->gpio_mutex);
	return 0;
}

static int cs_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	unsigned char val;
	int change = 0;

	down(&ice->gpio_mutex);
	if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
		ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
		val = 0x80 | (ice->gpio.saved[0] << 3);
		spi_write(ice, CS_DEV, 0x04, val);
		change = 1;
	}
	up(&ice->gpio_mutex);
	return 0;
}


/*
 * GPIO controls
 */
static int pontis_gpio_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 0xffff; /* 16bit */
	return 0;
}

static int pontis_gpio_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	down(&ice->gpio_mutex);
	/* 4-7 reserved */
	ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
	up(&ice->gpio_mutex);
	return 0;
}
	
static int pontis_gpio_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int changed;
	down(&ice->gpio_mutex);
	/* 4-7 reserved */
	val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
	changed = val != ice->gpio.write_mask;
	ice->gpio.write_mask = val;
	up(&ice->gpio_mutex);
	return changed;
}

static int pontis_gpio_dir_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	down(&ice->gpio_mutex);
	/* 4-7 reserved */
	ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
	up(&ice->gpio_mutex);
	return 0;
}
	
static int pontis_gpio_dir_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int changed;
	down(&ice->gpio_mutex);
	/* 4-7 reserved */
	val = ucontrol->value.integer.value[0] & 0xff0f;
	changed = (val != ice->gpio.direction);
	ice->gpio.direction = val;
	up(&ice->gpio_mutex);
	return changed;
}

static int pontis_gpio_data_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	down(&ice->gpio_mutex);
	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
	ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
	up(&ice->gpio_mutex);
	return 0;
}

static int pontis_gpio_data_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ice1712_t *ice = snd_kcontrol_chip(kcontrol);
	unsigned int val, nval;
	int changed = 0;
	down(&ice->gpio_mutex);
	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
	val = snd_ice1712_gpio_read(ice) & 0xffff;
	nval = ucontrol->value.integer.value[0] & 0xffff;
	if (val != nval) {
		snd_ice1712_gpio_write(ice, nval);
		changed = 1;
	}
	up(&ice->gpio_mutex);
	return changed;
}

/*
 * mixers
 */

static snd_kcontrol_new_t pontis_controls[] __devinitdata = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "PCM Playback Volume",
		.info = wm_dac_vol_info,
		.get = wm_dac_vol_get,
		.put = wm_dac_vol_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Capture Volume",
		.info = wm_adc_vol_info,
		.get = wm_adc_vol_get,
		.put = wm_adc_vol_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "CD Capture Switch",
		.info = wm_adc_mux_info,
		.get = wm_adc_mux_get,
		.put = wm_adc_mux_put,
		.private_value = 0,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Line Capture Switch",
		.info = wm_adc_mux_info,
		.get = wm_adc_mux_get,
		.put = wm_adc_mux_put,
		.private_value = 1,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Analog Bypass Switch",
		.info = wm_bypass_info,
		.get = wm_bypass_get,
		.put = wm_bypass_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Swap Output Channels",
		.info = wm_chswap_info,
		.get = wm_chswap_get,
		.put = wm_chswap_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "IEC958 Input Source",
		.info = cs_source_info,
		.get = cs_source_get,
		.put = cs_source_put,
	},
	/* FIXME: which interface? */
	{
		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
		.name = "GPIO Mask",
		.info = pontis_gpio_mask_info,
		.get = pontis_gpio_mask_get,
		.put = pontis_gpio_mask_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
		.name = "GPIO Direction",
		.info = pontis_gpio_mask_info,
		.get = pontis_gpio_dir_get,
		.put = pontis_gpio_dir_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_CARD,
		.name = "GPIO Data",
		.info = pontis_gpio_mask_info,
		.get = pontis_gpio_data_get,
		.put = pontis_gpio_data_put,
	},
};


/*
 * WM codec registers
 */
static void wm_proc_regs_write(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
{
	ice1712_t *ice = (ice1712_t *)entry->private_data;
	char line[64];
	unsigned int reg, val;
	down(&ice->gpio_mutex);
	while (!snd_info_get_line(buffer, line, sizeof(line))) {
		if (sscanf(line, "%x %x", &reg, &val) != 2)
			continue;
		if (reg <= 0x17 && val <= 0xffff)
			wm_put(ice, reg, val);
	}
	up(&ice->gpio_mutex);
}

static void wm_proc_regs_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
{
	ice1712_t *ice = (ice1712_t *)entry->private_data;
	int reg, val;

	down(&ice->gpio_mutex);
	for (reg = 0; reg <= 0x17; reg++) {
		val = wm_get(ice, reg);
		snd_iprintf(buffer, "%02x = %04x\n", reg, val);
	}
	up(&ice->gpio_mutex);
}

static void wm_proc_init(ice1712_t *ice)
{
	snd_info_entry_t *entry;
	if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
		snd_info_set_text_ops(entry, ice, 1024, wm_proc_regs_read);
		entry->mode |= S_IWUSR;
		entry->c.text.write_size = 1024;
		entry->c.text.write = wm_proc_regs_write;
	}
}

static void cs_proc_regs_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
{
	ice1712_t *ice = (ice1712_t *)entry->private_data;
	int reg, val;

	down(&ice->gpio_mutex);
	for (reg = 0; reg <= 0x26; reg++) {
		val = spi_read(ice, CS_DEV, reg);
		snd_iprintf(buffer, "%02x = %02x\n", reg, val);
	}
	val = spi_read(ice, CS_DEV, 0x7f);
	snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
	up(&ice->gpio_mutex);
}

static void cs_proc_init(ice1712_t *ice)
{
	snd_info_entry_t *entry;
	if (! snd_card_proc_new(ice->card, "cs_codec", &entry)) {
		snd_info_set_text_ops(entry, ice, 1024, cs_proc_regs_read);
	}
}


static int __devinit pontis_add_controls(ice1712_t *ice)
{
	unsigned int i;
	int err;

	for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
		err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
		if (err < 0)
			return err;
	}

	wm_proc_init(ice);
	cs_proc_init(ice);

	return 0;
}


/*
 * initialize the chip
 */
static int __devinit pontis_init(ice1712_t *ice)
{
	static unsigned short wm_inits[] = {
		/* These come first to reduce init pop noise */
		WM_ADC_MUX,	0x00c0,	/* ADC mute */
		WM_DAC_MUTE,	0x0001,	/* DAC softmute */
		WM_DAC_CTRL1,	0x0000,	/* DAC mute */

		WM_POWERDOWN,	0x0008,	/* All power-up except HP */
		WM_RESET,	0x0000,	/* reset */
	};
	static unsigned short wm_inits2[] = {
		WM_MASTER_CTRL,	0x0022,	/* 256fs, slave mode */
		WM_DAC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
		WM_ADC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
		WM_DAC_CTRL1,	0x0090,	/* DAC L/R */
		WM_OUT_MUX,	0x0001,	/* OUT DAC */
		WM_HP_ATTEN_L,	0x0179,	/* HP 0dB */
		WM_HP_ATTEN_R,	0x0179,	/* HP 0dB */
		WM_DAC_ATTEN_L,	0x0000,	/* DAC 0dB */
		WM_DAC_ATTEN_L,	0x0100,	/* DAC 0dB */
		WM_DAC_ATTEN_R,	0x0000,	/* DAC 0dB */
		WM_DAC_ATTEN_R,	0x0100,	/* DAC 0dB */
		// WM_DAC_MASTER,	0x0100,	/* DAC master muted */
		WM_PHASE_SWAP,	0x0000,	/* phase normal */
		WM_DAC_CTRL2,	0x0000,	/* no deemphasis, no ZFLG */
		WM_ADC_ATTEN_L,	0x0000,	/* ADC muted */
		WM_ADC_ATTEN_R,	0x0000,	/* ADC muted */
#if 0
		WM_ALC_CTRL1,	0x007b,	/* */
		WM_ALC_CTRL2,	0x0000,	/* */
		WM_ALC_CTRL3,	0x0000,	/* */
		WM_NOISE_GATE,	0x0000,	/* */
#endif
		WM_DAC_MUTE,	0x0000,	/* DAC unmute */
		WM_ADC_MUX,	0x0003,	/* ADC unmute, both CD/Line On */
	};
	static unsigned char cs_inits[] = {
		0x04,	0x80,	/* RUN, RXP0 */
		0x05,	0x05,	/* slave, 24bit */
		0x01,	0x00,
		0x02,	0x00,
		0x03,	0x00,
	};
	unsigned int i;

	ice->vt1720 = 1;
	ice->num_total_dacs = 2;
	ice->num_total_adcs = 2;

	/* to remeber the register values */
	ice->akm = kzalloc(sizeof(akm4xxx_t), GFP_KERNEL);
	if (! ice->akm)
		return -ENOMEM;
	ice->akm_codecs = 1;

	/* HACK - use this as the SPDIF source.
	 * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
	 */
	ice->gpio.saved[0] = 0;

	/* initialize WM8776 codec */
	for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
		wm_put(ice, wm_inits[i], wm_inits[i+1]);
	schedule_timeout_uninterruptible(1);
	for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
		wm_put(ice, wm_inits2[i], wm_inits2[i+1]);

	/* initialize CS8416 codec */
	/* assert PRST#; MT05 bit 7 */
	outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
	mdelay(5);
	/* deassert PRST# */
	outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));

	for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
		spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);

	return 0;
}


/*
 * Pontis boards don't provide the EEPROM data at all.
 * hence the driver needs to sets up it properly.
 */

static unsigned char pontis_eeprom[] __devinitdata = {
	0x08,	/* SYSCONF: clock 256, mpu401, spdif-in/ADC, 1DAC */
	0x80,	/* ACLINK: I2S */
	0xf8,	/* I2S: vol, 96k, 24bit, 192k */
	0xc3,	/* SPDIF: out-en, out-int, spdif-in */
	0x07,	/* GPIO_DIR */
	0x00,	/* GPIO_DIR1 */
	0x00,	/* GPIO_DIR2 (ignored) */
	0x0f,	/* GPIO_MASK (4-7 reserved for CS8416) */
	0xff,	/* GPIO_MASK1 */
	0x00,	/* GPIO_MASK2 (ignored) */
	0x06,	/* GPIO_STATE (0-low, 1-high, 2-high) */
	0x00,	/* GPIO_STATE1 */
	0x00,	/* GPIO_STATE2 (ignored) */
};

/* entry point */
struct snd_ice1712_card_info snd_vt1720_pontis_cards[] __devinitdata = {
	{
		.subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
		.name = "Pontis MS300",
		.model = "ms300",
		.chip_init = pontis_init,
		.build_controls = pontis_add_controls,
		.eeprom_size = sizeof(pontis_eeprom),
		.eeprom_data = pontis_eeprom,
	},
	{ } /* terminator */
};