soc/codecs/wm8903.c

3  * wm8903.c  --  WM8903 ALSA SoC Audio driver
34 #include <sound/wm8903.h>
37 #include "wm8903.h"
270 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
274 		wm8903->dcs_pending |= 1 << w->shift;
291 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
296 	if (wm8903->dcs_pending) {
298 			wm8903->dcs_pending);
301 		for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
302 			if (!(wm8903->dcs_pending & (1 << i)))
305 			if (wm8903->dcs_cache[i]) {
308 					3 - i, wm8903->dcs_cache[i]);
311 					      wm8903->dcs_cache[i] & 0xff);
320 		if (wm8903->class_w_users)
327 				    WM8903_DCS_ENA_MASK, wm8903->dcs_pending);
337 			if (wm8903->class_w_users)
340 			for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
341 				if (!(wm8903->dcs_pending & (1 << i)))
348 				wm8903->dcs_cache[i] = val;
357 		wm8903->dcs_pending = 0;
373 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
381 		if (wm8903->class_w_users == 0) {
386 		wm8903->class_w_users++;
394 		if (wm8903->class_w_users == 1) {
399 		wm8903->class_w_users--;
403 		wm8903->class_w_users);
417 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
423 	if (wm8903->deemph) {
426 			if (abs(wm8903_deemph[i] - wm8903->fs) <
427 			    abs(wm8903_deemph[best] - wm8903->fs))
448 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
450 	ucontrol->value.integer.value[0] = wm8903->deemph;
459 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
466 	mutex_lock(&wm8903->lock);
467 	if (wm8903->deemph != deemph) {
468 		wm8903->deemph = deemph;
474 	mutex_unlock(&wm8903->lock);
1215 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1217 	wm8903->sysclk = freq;
1442 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1504 		wm8903->sysclk, fs);
1511 	best_val = abs((wm8903->sysclk /
1515 		cur_val = abs((wm8903->sysclk /
1527 		clk_sys = wm8903->sysclk / 2;
1530 		clk_sys = wm8903->sysclk;
1570 	wm8903->fs = params_rate(params);
1603 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1610 	wm8903->mic_jack = jack;
1611 	wm8903->mic_det = det;
1612 	wm8903->mic_short = shrt;
1642 	struct wm8903_priv *wm8903 = data;
1646 	ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1_MASK,
1649 		dev_err(wm8903->dev, "Failed to read IRQ mask: %d\n", ret);
1653 	ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1, &int_val);
1655 		dev_err(wm8903->dev, "Failed to read IRQ status: %d\n", ret);
1662 		dev_warn(wm8903->dev, "Write sequencer done\n");
1672 	mic_report = wm8903->mic_last_report;
1673 	ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
1676 		dev_err(wm8903->dev, "Failed to read interrupt polarity: %d\n",
1683 		trace_snd_soc_jack_irq(dev_name(wm8903->dev));
1687 		dev_dbg(wm8903->dev, "Microphone short (pol=%x)\n", int_pol);
1689 		mic_report ^= wm8903->mic_short;
1694 		dev_dbg(wm8903->dev, "Microphone detect (pol=%x)\n", int_pol);
1696 		mic_report ^= wm8903->mic_det;
1699 		msleep(wm8903->mic_delay);
1702 	regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
1705 	snd_soc_jack_report(wm8903->mic_jack, mic_report,
1706 			    wm8903->mic_short | wm8903->mic_det);
1708 	wm8903->mic_last_report = mic_report;
1744 	.name = "wm8903-hifi",
1765 	struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1767 	regcache_sync(wm8903->regmap);
1783 	struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1791 	ret = regmap_update_bits(wm8903->regmap,
1801 	struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1804 	regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, &reg);
1812 	struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1820 	ret = regmap_update_bits(wm8903->regmap,
1830 	struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1832 	regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset,
1838 	.label			= "wm8903",
1848 static void wm8903_init_gpio(struct wm8903_priv *wm8903)
1850 	struct wm8903_platform_data *pdata = wm8903->pdata;
1853 	wm8903->gpio_chip = wm8903_template_chip;
1854 	wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
1855 	wm8903->gpio_chip.parent = wm8903->dev;
1858 		wm8903->gpio_chip.base = pdata->gpio_base;
1860 		wm8903->gpio_chip.base = -1;
1862 	ret = gpiochip_add_data(&wm8903->gpio_chip, wm8903);
1864 		dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret);
1867 static void wm8903_free_gpio(struct wm8903_priv *wm8903)
1869 	gpiochip_remove(&wm8903->gpio_chip);
1872 static void wm8903_init_gpio(struct wm8903_priv *wm8903)
1876 static void wm8903_free_gpio(struct wm8903_priv *wm8903)
1985 	struct wm8903_priv *wm8903;
1991 	wm8903 = devm_kzalloc(&i2c->dev, sizeof(*wm8903), GFP_KERNEL);
1992 	if (wm8903 == NULL)
1995 	mutex_init(&wm8903->lock);
1996 	wm8903->dev = &i2c->dev;
1998 	wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);
1999 	if (IS_ERR(wm8903->regmap)) {
2000 		ret = PTR_ERR(wm8903->regmap);
2006 	i2c_set_clientdata(i2c, wm8903);
2010 		wm8903->pdata = pdata;
2012 		wm8903->pdata = devm_kzalloc(&i2c->dev, sizeof(*wm8903->pdata),
2014 		if (!wm8903->pdata)
2018 			ret = wm8903_set_pdata_irq_trigger(i2c, wm8903->pdata);
2024 			ret = wm8903_set_pdata_from_of(i2c, wm8903->pdata);
2030 	pdata = wm8903->pdata;
2032 	for (i = 0; i < ARRAY_SIZE(wm8903->supplies); i++)
2033 		wm8903->supplies[i].supply = wm8903_supply_names[i];
2035 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8903->supplies),
2036 				      wm8903->supplies);
2042 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8903->supplies),
2043 				    wm8903->supplies);
2049 	ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val);
2060 	ret = regmap_read(wm8903->regmap, WM8903_REVISION_NUMBER, &val);
2069 	regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903);
2071 	wm8903_init_gpio(wm8903);
2079 		regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i,
2096 	regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0,
2101 		regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0,
2112 	wm8903->mic_delay = pdata->micdet_delay;
2123 		regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL,
2128 					   "wm8903", wm8903);
2130 			dev_err(wm8903->dev, "Failed to request IRQ: %d\n",
2136 		regmap_update_bits(wm8903->regmap,
2142 	regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_LEFT,
2144 	regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_RIGHT,
2147 	regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_LEFT,
2149 	regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_RIGHT,
2152 	regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_LEFT,
2154 	regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_RIGHT,
2157 	regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_LEFT,
2159 	regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_RIGHT,
2162 	regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_LEFT,
2164 	regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_RIGHT,
2168 	regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_1,
2179 	regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies),
2180 			       wm8903->supplies);
2186 	struct wm8903_priv *wm8903 = i2c_get_clientdata(client);
2188 	regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies),
2189 			       wm8903->supplies);
2191 		free_irq(client->irq, wm8903);
2192 	wm8903_free_gpio(wm8903);
2196 	{ .compatible = "wlf,wm8903", },
2202 	{ "wm8903" },
2209 		.name = "wm8903",