Lines Matching +full:gpio +full:- +full:out +full:- +full:pol
1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8903.c -- WM8903 ALSA SoC Audio driver
5 * Copyright 2008-12 Wolfson Microelectronics
6 * Copyright 2011-2012 NVIDIA, Inc.
11 * - TDM mode configuration.
19 #include <linux/gpio/driver.h>
41 { 4, 0x0018 }, /* R4 - Bias Control 0 */
42 { 5, 0x0000 }, /* R5 - VMID Control 0 */
43 { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */
44 { 8, 0x0001 }, /* R8 - Analogue DAC 0 */
45 { 10, 0x0001 }, /* R10 - Analogue ADC 0 */
46 { 12, 0x0000 }, /* R12 - Power Management 0 */
47 { 13, 0x0000 }, /* R13 - Power Management 1 */
48 { 14, 0x0000 }, /* R14 - Power Management 2 */
49 { 15, 0x0000 }, /* R15 - Power Management 3 */
50 { 16, 0x0000 }, /* R16 - Power Management 4 */
51 { 17, 0x0000 }, /* R17 - Power Management 5 */
52 { 18, 0x0000 }, /* R18 - Power Management 6 */
53 { 20, 0x0400 }, /* R20 - Clock Rates 0 */
54 { 21, 0x0D07 }, /* R21 - Clock Rates 1 */
55 { 22, 0x0000 }, /* R22 - Clock Rates 2 */
56 { 24, 0x0050 }, /* R24 - Audio Interface 0 */
57 { 25, 0x0242 }, /* R25 - Audio Interface 1 */
58 { 26, 0x0008 }, /* R26 - Audio Interface 2 */
59 { 27, 0x0022 }, /* R27 - Audio Interface 3 */
60 { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */
61 { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */
62 { 32, 0x0000 }, /* R32 - DAC Digital 0 */
63 { 33, 0x0000 }, /* R33 - DAC Digital 1 */
64 { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */
65 { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */
66 { 38, 0x0000 }, /* R38 - ADC Digital 0 */
67 { 39, 0x0073 }, /* R39 - Digital Microphone 0 */
68 { 40, 0x09BF }, /* R40 - DRC 0 */
69 { 41, 0x3241 }, /* R41 - DRC 1 */
70 { 42, 0x0020 }, /* R42 - DRC 2 */
71 { 43, 0x0000 }, /* R43 - DRC 3 */
72 { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */
73 { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */
74 { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */
75 { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */
76 { 50, 0x0008 }, /* R50 - Analogue Left Mix 0 */
77 { 51, 0x0004 }, /* R51 - Analogue Right Mix 0 */
78 { 52, 0x0000 }, /* R52 - Analogue Spk Mix Left 0 */
79 { 53, 0x0000 }, /* R53 - Analogue Spk Mix Left 1 */
80 { 54, 0x0000 }, /* R54 - Analogue Spk Mix Right 0 */
81 { 55, 0x0000 }, /* R55 - Analogue Spk Mix Right 1 */
82 { 57, 0x002D }, /* R57 - Analogue OUT1 Left */
83 { 58, 0x002D }, /* R58 - Analogue OUT1 Right */
84 { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */
85 { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */
86 { 62, 0x0139 }, /* R62 - Analogue OUT3 Left */
87 { 63, 0x0139 }, /* R63 - Analogue OUT3 Right */
88 { 64, 0x0000 }, /* R65 - Analogue SPK Output Control 0 */
89 { 67, 0x0010 }, /* R67 - DC Servo 0 */
90 { 69, 0x00A4 }, /* R69 - DC Servo 2 */
91 { 90, 0x0000 }, /* R90 - Analogue HP 0 */
92 { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */
93 { 98, 0x0000 }, /* R98 - Charge Pump 0 */
94 { 104, 0x0000 }, /* R104 - Class W 0 */
95 { 108, 0x0000 }, /* R108 - Write Sequencer 0 */
96 { 109, 0x0000 }, /* R109 - Write Sequencer 1 */
97 { 110, 0x0000 }, /* R110 - Write Sequencer 2 */
98 { 111, 0x0000 }, /* R111 - Write Sequencer 3 */
99 { 112, 0x0000 }, /* R112 - Write Sequencer 4 */
100 { 114, 0x0000 }, /* R114 - Control Interface */
101 { 116, 0x00A8 }, /* R116 - GPIO Control 1 */
102 { 117, 0x00A8 }, /* R117 - GPIO Control 2 */
103 { 118, 0x00A8 }, /* R118 - GPIO Control 3 */
104 { 119, 0x0220 }, /* R119 - GPIO Control 4 */
105 { 120, 0x01A0 }, /* R120 - GPIO Control 5 */
106 { 122, 0xFFFF }, /* R122 - Interrupt Status 1 Mask */
107 { 123, 0x0000 }, /* R123 - Interrupt Polarity 1 */
108 { 126, 0x0000 }, /* R126 - Interrupt Control */
109 { 129, 0x0000 }, /* R129 - Control Interface Test 1 */
110 { 149, 0x6810 }, /* R149 - Charge Pump Test 1 */
111 { 164, 0x0028 }, /* R164 - Clock Rate Test 4 */
112 { 172, 0x0000 }, /* R172 - Analogue Output Bias 0 */
269 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
274 wm8903->dcs_pending |= 1 << w->shift;
278 1 << w->shift, 0);
296 if (wm8903->dcs_pending) {
297 dev_dbg(component->dev, "Starting DC servo for %x\n",
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]) {
306 dev_dbg(component->dev,
308 3 - i, wm8903->dcs_cache[i]);
311 wm8903->dcs_cache[i] & 0xff);
313 dev_dbg(component->dev,
314 "Calibrate DC servo %d\n", 3 - i);
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)))
346 dev_dbg(component->dev, "DC servo %d: %x\n",
347 3 - i, val);
348 wm8903->dcs_cache[i] = val;
357 wm8903->dcs_pending = 0;
380 if (ucontrol->value.integer.value[0]) {
381 if (wm8903->class_w_users == 0) {
382 dev_dbg(component->dev, "Disabling Class W\n");
386 wm8903->class_w_users++;
393 if (!ucontrol->value.integer.value[0]) {
394 if (wm8903->class_w_users == 1) {
395 dev_dbg(component->dev, "Enabling Class W\n");
399 wm8903->class_w_users--;
402 dev_dbg(component->dev, "Bypass use count now %d\n",
403 wm8903->class_w_users);
423 if (wm8903->deemph) {
426 if (abs(wm8903_deemph[i] - wm8903->fs) <
427 abs(wm8903_deemph[best] - wm8903->fs))
437 dev_dbg(component->dev, "Set deemphasis %d (%dHz)\n",
450 ucontrol->value.integer.value[0] = wm8903->deemph;
460 unsigned int deemph = ucontrol->value.integer.value[0];
464 return -EINVAL;
466 mutex_lock(&wm8903->lock);
467 if (wm8903->deemph != deemph) {
468 wm8903->deemph = deemph;
474 mutex_unlock(&wm8903->lock);
480 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
484 static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
485 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
488 static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0);
491 static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
494 "Hi-fi", "Voice 1", "Voice 2", "Voice 3"
583 "Single-Ended", "Differential Line", "Differential Mic"
648 /* Input PGAs - No TLV since the scale depends on PGA mode */
720 /* Line out */
721 SOC_DOUBLE_R("Line Out Switch",
724 SOC_DOUBLE_R("Line Out ZC Switch",
727 SOC_DOUBLE_R_TLV("Line Out Volume",
960 { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" },
970 { "Right Input Mode Mux", "Single-Ended",
1171 dev_dbg(component->dev, "Enabling Class W\n");
1214 struct snd_soc_component *component = codec_dai->component;
1217 wm8903->sysclk = freq;
1225 struct snd_soc_component *component = codec_dai->component;
1244 return -EINVAL;
1263 return -EINVAL;
1278 return -EINVAL;
1297 return -EINVAL;
1301 return -EINVAL;
1311 struct snd_soc_component *component = codec_dai->component;
1394 /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */
1441 struct snd_soc_component *component = dai->component;
1466 /* Configure sample rate logic for DSP - choose nearest rate */
1468 best_val = abs(sample_rates[dsp_config].rate - fs);
1470 cur_val = abs(sample_rates[i].rate - fs);
1477 dev_dbg(component->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
1500 return -EINVAL;
1503 dev_dbg(component->dev, "MCLK = %dHz, target sample rate = %dHz\n",
1504 wm8903->sysclk, fs);
1511 best_val = abs((wm8903->sysclk /
1513 clk_sys_ratios[0].div)) - fs);
1515 cur_val = abs((wm8903->sysclk /
1517 clk_sys_ratios[i].div)) - fs);
1527 clk_sys = wm8903->sysclk / 2;
1530 clk_sys = wm8903->sysclk;
1538 dev_dbg(component->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n",
1543 dev_dbg(component->dev, "Actual CLK_SYS = %dHz\n", clk_sys);
1548 * BCLKs to clock out the samples).
1553 cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk;
1563 dev_dbg(component->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n",
1570 wm8903->fs = params_rate(params);
1584 * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ
1592 * being used to bring out signals to the processor then only platform
1606 dev_dbg(component->dev, "Enabling microphone detection: %x %x\n",
1610 wm8903->mic_jack = jack;
1611 wm8903->mic_det = det;
1612 wm8903->mic_short = shrt;
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");
1667 * invert the polarity of the interrupt after each event - to
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",
1767 regcache_sync(wm8903->regmap);
1776 return -EINVAL;
1791 ret = regmap_update_bits(wm8903->regmap,
1804 regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, ®);
1820 ret = regmap_update_bits(wm8903->regmap,
1832 regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset,
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;
1857 if (pdata->gpio_base)
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);
1869 gpiochip_remove(&wm8903->gpio_chip);
1913 struct irq_data *irq_data = irq_get_irq_data(i2c->irq);
1915 dev_err(&i2c->dev, "Invalid IRQ: %d\n",
1916 i2c->irq);
1917 return -EINVAL;
1925 * so we are able to select active-high
1929 pdata->irq_active_low = false;
1932 pdata->irq_active_low = true;
1942 const struct device_node *np = i2c->dev.of_node;
1946 if (of_property_read_u32(np, "micdet-cfg", &val32) >= 0)
1947 pdata->micdet_cfg = val32;
1949 if (of_property_read_u32(np, "micdet-delay", &val32) >= 0)
1950 pdata->micdet_delay = val32;
1952 if (of_property_read_u32_array(np, "gpio-cfg", pdata->gpio_cfg,
1953 ARRAY_SIZE(pdata->gpio_cfg)) >= 0) {
1966 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
1967 if (pdata->gpio_cfg[i] == 0) {
1968 pdata->gpio_cfg[i] = WM8903_GPIO_CONFIG_ZERO;
1969 } else if (pdata->gpio_cfg[i] == 0xffffffff) {
1970 pdata->gpio_cfg[i] = 0;
1971 } else if (pdata->gpio_cfg[i] > 0x7fff) {
1972 dev_err(&i2c->dev, "Invalid gpio-cfg[%d] %x\n",
1973 i, pdata->gpio_cfg[i]);
1974 return -EINVAL;
1984 struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev);
1991 wm8903 = devm_kzalloc(&i2c->dev, sizeof(*wm8903), GFP_KERNEL);
1993 return -ENOMEM;
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);
2001 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
2010 wm8903->pdata = pdata;
2012 wm8903->pdata = devm_kzalloc(&i2c->dev, sizeof(*wm8903->pdata),
2014 if (!wm8903->pdata)
2015 return -ENOMEM;
2017 if (i2c->irq) {
2018 ret = wm8903_set_pdata_irq_trigger(i2c, wm8903->pdata);
2023 if (i2c->dev.of_node) {
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);
2038 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2042 ret = regulator_bulk_enable(ARRAY_SIZE(wm8903->supplies),
2043 wm8903->supplies);
2045 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2049 ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val);
2051 dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
2055 dev_err(&i2c->dev, "Device with ID %x is not a WM8903\n", val);
2056 ret = -ENODEV;
2060 ret = regmap_read(wm8903->regmap, WM8903_REVISION_NUMBER, &val);
2062 dev_err(&i2c->dev, "Failed to read chip revision: %d\n", ret);
2065 dev_info(&i2c->dev, "WM8903 revision %c\n",
2069 regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903);
2073 /* Set up GPIO pin state, detect if any are MIC detect outputs */
2074 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
2075 if ((!pdata->gpio_cfg[i]) ||
2076 (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO))
2079 regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i,
2080 pdata->gpio_cfg[i] & 0x7fff);
2082 val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
2096 regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0,
2097 pdata->micdet_cfg);
2100 if (pdata->micdet_cfg)
2101 regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0,
2110 WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
2112 wm8903->mic_delay = pdata->micdet_delay;
2114 if (i2c->irq) {
2115 if (pdata->irq_active_low) {
2123 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL,
2126 ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq,
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,
2172 ret = devm_snd_soc_register_component(&i2c->dev,
2179 regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies),
2180 wm8903->supplies);
2188 regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies),
2189 wm8903->supplies);
2190 if (client->irq)
2191 free_irq(client->irq, wm8903);