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Diffstat (limited to 'sound/soc/codecs/wm8903.c')
-rw-r--r--sound/soc/codecs/wm8903.c481
1 files changed, 233 insertions, 248 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index c91fb2f99c1..b84940c359a 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1,8 +1,8 @@
/*
* wm8903.c -- WM8903 ALSA SoC Audio driver
*
- * Copyright 2008 Wolfson Microelectronics
- * Copyright 2011 NVIDIA, Inc.
+ * Copyright 2008-12 Wolfson Microelectronics
+ * Copyright 2011-2012 NVIDIA, Inc.
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
@@ -116,6 +116,7 @@ static const struct reg_default wm8903_reg_defaults[] = {
struct wm8903_priv {
struct wm8903_platform_data *pdata;
+ struct device *dev;
struct snd_soc_codec *codec;
struct regmap *regmap;
@@ -363,9 +364,7 @@ static void wm8903_seq_notifier(struct snd_soc_dapm_context *dapm,
static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
- struct snd_soc_dapm_widget *widget = wlist->widgets[0];
- struct snd_soc_codec *codec = widget->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
u16 reg;
int ret;
@@ -402,10 +401,8 @@ static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
}
#define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
- .info = snd_soc_info_volsw, \
- .get = snd_soc_dapm_get_volsw, .put = wm8903_class_w_put, \
- .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
+ SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
+ snd_soc_dapm_get_volsw, wm8903_class_w_put)
static int wm8903_deemph[] = { 0, 32000, 44100, 48000 };
@@ -442,7 +439,7 @@ static int wm8903_set_deemph(struct snd_soc_codec *codec)
static int wm8903_get_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.enumerated.item[0] = wm8903->deemph;
@@ -453,7 +450,7 @@ static int wm8903_get_deemph(struct snd_kcontrol *kcontrol,
static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
int deemph = ucontrol->value.enumerated.item[0];
int ret = 0;
@@ -477,6 +474,8 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
/* ALSA can only do steps of .01dB */
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
+static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
+
static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
@@ -490,28 +489,28 @@ static const char *hpf_mode_text[] = {
"Hi-fi", "Voice 1", "Voice 2", "Voice 3"
};
-static const struct soc_enum hpf_mode =
- SOC_ENUM_SINGLE(WM8903_ADC_DIGITAL_0, 5, 4, hpf_mode_text);
+static SOC_ENUM_SINGLE_DECL(hpf_mode,
+ WM8903_ADC_DIGITAL_0, 5, hpf_mode_text);
static const char *osr_text[] = {
"Low power", "High performance"
};
-static const struct soc_enum adc_osr =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_ADC_0, 0, 2, osr_text);
+static SOC_ENUM_SINGLE_DECL(adc_osr,
+ WM8903_ANALOGUE_ADC_0, 0, osr_text);
-static const struct soc_enum dac_osr =
- SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 0, 2, osr_text);
+static SOC_ENUM_SINGLE_DECL(dac_osr,
+ WM8903_DAC_DIGITAL_1, 0, osr_text);
static const char *drc_slope_text[] = {
"1", "1/2", "1/4", "1/8", "1/16", "0"
};
-static const struct soc_enum drc_slope_r0 =
- SOC_ENUM_SINGLE(WM8903_DRC_2, 3, 6, drc_slope_text);
+static SOC_ENUM_SINGLE_DECL(drc_slope_r0,
+ WM8903_DRC_2, 3, drc_slope_text);
-static const struct soc_enum drc_slope_r1 =
- SOC_ENUM_SINGLE(WM8903_DRC_2, 0, 6, drc_slope_text);
+static SOC_ENUM_SINGLE_DECL(drc_slope_r1,
+ WM8903_DRC_2, 0, drc_slope_text);
static const char *drc_attack_text[] = {
"instantaneous",
@@ -519,125 +518,125 @@ static const char *drc_attack_text[] = {
"46.4ms", "92.8ms", "185.6ms"
};
-static const struct soc_enum drc_attack =
- SOC_ENUM_SINGLE(WM8903_DRC_1, 12, 11, drc_attack_text);
+static SOC_ENUM_SINGLE_DECL(drc_attack,
+ WM8903_DRC_1, 12, drc_attack_text);
static const char *drc_decay_text[] = {
"186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s",
"23.87s", "47.56s"
};
-static const struct soc_enum drc_decay =
- SOC_ENUM_SINGLE(WM8903_DRC_1, 8, 9, drc_decay_text);
+static SOC_ENUM_SINGLE_DECL(drc_decay,
+ WM8903_DRC_1, 8, drc_decay_text);
static const char *drc_ff_delay_text[] = {
"5 samples", "9 samples"
};
-static const struct soc_enum drc_ff_delay =
- SOC_ENUM_SINGLE(WM8903_DRC_0, 5, 2, drc_ff_delay_text);
+static SOC_ENUM_SINGLE_DECL(drc_ff_delay,
+ WM8903_DRC_0, 5, drc_ff_delay_text);
static const char *drc_qr_decay_text[] = {
"0.725ms", "1.45ms", "5.8ms"
};
-static const struct soc_enum drc_qr_decay =
- SOC_ENUM_SINGLE(WM8903_DRC_1, 4, 3, drc_qr_decay_text);
+static SOC_ENUM_SINGLE_DECL(drc_qr_decay,
+ WM8903_DRC_1, 4, drc_qr_decay_text);
static const char *drc_smoothing_text[] = {
"Low", "Medium", "High"
};
-static const struct soc_enum drc_smoothing =
- SOC_ENUM_SINGLE(WM8903_DRC_0, 11, 3, drc_smoothing_text);
+static SOC_ENUM_SINGLE_DECL(drc_smoothing,
+ WM8903_DRC_0, 11, drc_smoothing_text);
static const char *soft_mute_text[] = {
"Fast (fs/2)", "Slow (fs/32)"
};
-static const struct soc_enum soft_mute =
- SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 10, 2, soft_mute_text);
+static SOC_ENUM_SINGLE_DECL(soft_mute,
+ WM8903_DAC_DIGITAL_1, 10, soft_mute_text);
static const char *mute_mode_text[] = {
"Hard", "Soft"
};
-static const struct soc_enum mute_mode =
- SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text);
+static SOC_ENUM_SINGLE_DECL(mute_mode,
+ WM8903_DAC_DIGITAL_1, 9, mute_mode_text);
static const char *companding_text[] = {
"ulaw", "alaw"
};
-static const struct soc_enum dac_companding =
- SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 0, 2, companding_text);
+static SOC_ENUM_SINGLE_DECL(dac_companding,
+ WM8903_AUDIO_INTERFACE_0, 0, companding_text);
-static const struct soc_enum adc_companding =
- SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 2, 2, companding_text);
+static SOC_ENUM_SINGLE_DECL(adc_companding,
+ WM8903_AUDIO_INTERFACE_0, 2, companding_text);
static const char *input_mode_text[] = {
"Single-Ended", "Differential Line", "Differential Mic"
};
-static const struct soc_enum linput_mode_enum =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text);
+static SOC_ENUM_SINGLE_DECL(linput_mode_enum,
+ WM8903_ANALOGUE_LEFT_INPUT_1, 0, input_mode_text);
-static const struct soc_enum rinput_mode_enum =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text);
+static SOC_ENUM_SINGLE_DECL(rinput_mode_enum,
+ WM8903_ANALOGUE_RIGHT_INPUT_1, 0, input_mode_text);
static const char *linput_mux_text[] = {
"IN1L", "IN2L", "IN3L"
};
-static const struct soc_enum linput_enum =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 2, 3, linput_mux_text);
+static SOC_ENUM_SINGLE_DECL(linput_enum,
+ WM8903_ANALOGUE_LEFT_INPUT_1, 2, linput_mux_text);
-static const struct soc_enum linput_inv_enum =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 4, 3, linput_mux_text);
+static SOC_ENUM_SINGLE_DECL(linput_inv_enum,
+ WM8903_ANALOGUE_LEFT_INPUT_1, 4, linput_mux_text);
static const char *rinput_mux_text[] = {
"IN1R", "IN2R", "IN3R"
};
-static const struct soc_enum rinput_enum =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 2, 3, rinput_mux_text);
+static SOC_ENUM_SINGLE_DECL(rinput_enum,
+ WM8903_ANALOGUE_RIGHT_INPUT_1, 2, rinput_mux_text);
-static const struct soc_enum rinput_inv_enum =
- SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text);
+static SOC_ENUM_SINGLE_DECL(rinput_inv_enum,
+ WM8903_ANALOGUE_RIGHT_INPUT_1, 4, rinput_mux_text);
static const char *sidetone_text[] = {
"None", "Left", "Right"
};
-static const struct soc_enum lsidetone_enum =
- SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text);
+static SOC_ENUM_SINGLE_DECL(lsidetone_enum,
+ WM8903_DAC_DIGITAL_0, 2, sidetone_text);
-static const struct soc_enum rsidetone_enum =
- SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text);
+static SOC_ENUM_SINGLE_DECL(rsidetone_enum,
+ WM8903_DAC_DIGITAL_0, 0, sidetone_text);
static const char *adcinput_text[] = {
"ADC", "DMIC"
};
-static const struct soc_enum adcinput_enum =
- SOC_ENUM_SINGLE(WM8903_CLOCK_RATE_TEST_4, 9, 2, adcinput_text);
+static SOC_ENUM_SINGLE_DECL(adcinput_enum,
+ WM8903_CLOCK_RATE_TEST_4, 9, adcinput_text);
static const char *aif_text[] = {
"Left", "Right"
};
-static const struct soc_enum lcapture_enum =
- SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 7, 2, aif_text);
+static SOC_ENUM_SINGLE_DECL(lcapture_enum,
+ WM8903_AUDIO_INTERFACE_0, 7, aif_text);
-static const struct soc_enum rcapture_enum =
- SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 6, 2, aif_text);
+static SOC_ENUM_SINGLE_DECL(rcapture_enum,
+ WM8903_AUDIO_INTERFACE_0, 6, aif_text);
-static const struct soc_enum lplay_enum =
- SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 5, 2, aif_text);
+static SOC_ENUM_SINGLE_DECL(lplay_enum,
+ WM8903_AUDIO_INTERFACE_0, 5, aif_text);
-static const struct soc_enum rplay_enum =
- SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 4, 2, aif_text);
+static SOC_ENUM_SINGLE_DECL(rplay_enum,
+ WM8903_AUDIO_INTERFACE_0, 4, aif_text);
static const struct snd_kcontrol_new wm8903_snd_controls[] = {
@@ -697,6 +696,8 @@ SOC_ENUM("DAC Mute Mode", mute_mode),
SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
SOC_ENUM("DAC Companding Mode", dac_companding),
SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
+SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0,
+ dac_boost_tlv),
SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
wm8903_get_deemph, wm8903_put_deemph),
@@ -1082,6 +1083,8 @@ static const struct snd_soc_dapm_route wm8903_intercon[] = {
{ "ROP", NULL, "Right Speaker PGA" },
{ "RON", NULL, "Right Speaker PGA" },
+ { "Charge Pump", NULL, "CLK_DSP" },
+
{ "Left Headphone Output PGA", NULL, "Charge Pump" },
{ "Right Headphone Output PGA", NULL, "Charge Pump" },
{ "Left Line Output PGA", NULL, "Charge Pump" },
@@ -1432,8 +1435,7 @@ static int wm8903_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec =rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
int fs = params_rate(params);
int bclk;
@@ -1636,17 +1638,27 @@ EXPORT_SYMBOL_GPL(wm8903_mic_detect);
static irqreturn_t wm8903_irq(int irq, void *data)
{
- struct snd_soc_codec *codec = data;
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
- int mic_report;
- int int_pol;
- int int_val = 0;
- int mask = ~snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1_MASK);
+ struct wm8903_priv *wm8903 = data;
+ int mic_report, ret;
+ unsigned int int_val, mask, int_pol;
+
+ ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1_MASK,
+ &mask);
+ if (ret != 0) {
+ dev_err(wm8903->dev, "Failed to read IRQ mask: %d\n", ret);
+ return IRQ_NONE;
+ }
- int_val = snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1) & mask;
+ ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1, &int_val);
+ if (ret != 0) {
+ dev_err(wm8903->dev, "Failed to read IRQ status: %d\n", ret);
+ return IRQ_NONE;
+ }
+
+ int_val &= ~mask;
if (int_val & WM8903_WSEQ_BUSY_EINT) {
- dev_warn(codec->dev, "Write sequencer done\n");
+ dev_warn(wm8903->dev, "Write sequencer done\n");
}
/*
@@ -1657,22 +1669,28 @@ static irqreturn_t wm8903_irq(int irq, void *data)
* the polarity register.
*/
mic_report = wm8903->mic_last_report;
- int_pol = snd_soc_read(codec, WM8903_INTERRUPT_POLARITY_1);
+ ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
+ &int_pol);
+ if (ret != 0) {
+ dev_err(wm8903->dev, "Failed to read interrupt polarity: %d\n",
+ ret);
+ return IRQ_HANDLED;
+ }
#ifndef CONFIG_SND_SOC_WM8903_MODULE
if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT))
- trace_snd_soc_jack_irq(dev_name(codec->dev));
+ trace_snd_soc_jack_irq(dev_name(wm8903->dev));
#endif
if (int_val & WM8903_MICSHRT_EINT) {
- dev_dbg(codec->dev, "Microphone short (pol=%x)\n", int_pol);
+ dev_dbg(wm8903->dev, "Microphone short (pol=%x)\n", int_pol);
mic_report ^= wm8903->mic_short;
int_pol ^= WM8903_MICSHRT_INV;
}
if (int_val & WM8903_MICDET_EINT) {
- dev_dbg(codec->dev, "Microphone detect (pol=%x)\n", int_pol);
+ dev_dbg(wm8903->dev, "Microphone detect (pol=%x)\n", int_pol);
mic_report ^= wm8903->mic_det;
int_pol ^= WM8903_MICDET_INV;
@@ -1680,8 +1698,8 @@ static irqreturn_t wm8903_irq(int irq, void *data)
msleep(wm8903->mic_delay);
}
- snd_soc_update_bits(codec, WM8903_INTERRUPT_POLARITY_1,
- WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol);
+ regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
+ WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol);
snd_soc_jack_report(wm8903->mic_jack, mic_report,
wm8903->mic_short | wm8903->mic_det);
@@ -1775,7 +1793,6 @@ static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
- struct snd_soc_codec *codec = wm8903->codec;
unsigned int mask, val;
int ret;
@@ -1783,8 +1800,8 @@ static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |
WM8903_GP1_DIR;
- ret = snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
- mask, val);
+ ret = regmap_update_bits(wm8903->regmap,
+ WM8903_GPIO_CONTROL_1 + offset, mask, val);
if (ret < 0)
return ret;
@@ -1794,10 +1811,9 @@ static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
- struct snd_soc_codec *codec = wm8903->codec;
- int reg;
+ unsigned int reg;
- reg = snd_soc_read(codec, WM8903_GPIO_CONTROL_1 + offset);
+ regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, &reg);
return (reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT;
}
@@ -1806,7 +1822,6 @@ static int wm8903_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
- struct snd_soc_codec *codec = wm8903->codec;
unsigned int mask, val;
int ret;
@@ -1814,8 +1829,8 @@ static int wm8903_gpio_direction_out(struct gpio_chip *chip,
val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |
(value << WM8903_GP2_LVL_SHIFT);
- ret = snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
- mask, val);
+ ret = regmap_update_bits(wm8903->regmap,
+ WM8903_GPIO_CONTROL_1 + offset, mask, val);
if (ret < 0)
return ret;
@@ -1825,11 +1840,10 @@ static int wm8903_gpio_direction_out(struct gpio_chip *chip,
static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
- struct snd_soc_codec *codec = wm8903->codec;
- snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
- WM8903_GP1_LVL_MASK,
- !!value << WM8903_GP1_LVL_SHIFT);
+ regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset,
+ WM8903_GP1_LVL_MASK,
+ !!value << WM8903_GP1_LVL_SHIFT);
}
static struct gpio_chip wm8903_template_chip = {
@@ -1843,15 +1857,14 @@ static struct gpio_chip wm8903_template_chip = {
.can_sleep = 1,
};
-static void wm8903_init_gpio(struct snd_soc_codec *codec)
+static void wm8903_init_gpio(struct wm8903_priv *wm8903)
{
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
struct wm8903_platform_data *pdata = wm8903->pdata;
int ret;
wm8903->gpio_chip = wm8903_template_chip;
wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
- wm8903->gpio_chip.dev = codec->dev;
+ wm8903->gpio_chip.dev = wm8903->dev;
if (pdata->gpio_base)
wm8903->gpio_chip.base = pdata->gpio_base;
@@ -1860,24 +1873,23 @@ static void wm8903_init_gpio(struct snd_soc_codec *codec)
ret = gpiochip_add(&wm8903->gpio_chip);
if (ret != 0)
- dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
+ dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret);
}
-static void wm8903_free_gpio(struct snd_soc_codec *codec)
+static void wm8903_free_gpio(struct wm8903_priv *wm8903)
{
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
int ret;
ret = gpiochip_remove(&wm8903->gpio_chip);
if (ret != 0)
- dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret);
+ dev_err(wm8903->dev, "Failed to remove GPIOs: %d\n", ret);
}
#else
-static void wm8903_init_gpio(struct snd_soc_codec *codec)
+static void wm8903_init_gpio(struct wm8903_priv *wm8903)
{
}
-static void wm8903_free_gpio(struct snd_soc_codec *codec)
+static void wm8903_free_gpio(struct wm8903_priv *wm8903)
{
}
#endif
@@ -1885,136 +1897,19 @@ static void wm8903_free_gpio(struct snd_soc_codec *codec)
static int wm8903_probe(struct snd_soc_codec *codec)
{
struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
- struct wm8903_platform_data *pdata = wm8903->pdata;
- int ret, i;
- int trigger, irq_pol;
- u16 val;
- bool mic_gpio = false;
wm8903->codec = codec;
- codec->control_data = wm8903->regmap;
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
- /* Set up GPIOs, detect if any are MIC detect outputs */
- for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
- if ((!pdata->gpio_cfg[i]) ||
- (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO))
- continue;
-
- snd_soc_write(codec, WM8903_GPIO_CONTROL_1 + i,
- pdata->gpio_cfg[i] & 0x7fff);
-
- val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
- >> WM8903_GP1_FN_SHIFT;
-
- switch (val) {
- case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT:
- case WM8903_GPn_FN_MICBIAS_SHORT_DETECT:
- mic_gpio = true;
- break;
- default:
- break;
- }
- }
-
- /* Set up microphone detection */
- snd_soc_write(codec, WM8903_MIC_BIAS_CONTROL_0,
- pdata->micdet_cfg);
-
- /* Microphone detection needs the WSEQ clock */
- if (pdata->micdet_cfg)
- snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
- WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
-
- /* If microphone detection is enabled by pdata but
- * detected via IRQ then interrupts can be lost before
- * the machine driver has set up microphone detection
- * IRQs as the IRQs are clear on read. The detection
- * will be enabled when the machine driver configures.
- */
- WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
-
- wm8903->mic_delay = pdata->micdet_delay;
-
- if (wm8903->irq) {
- if (pdata->irq_active_low) {
- trigger = IRQF_TRIGGER_LOW;
- irq_pol = WM8903_IRQ_POL;
- } else {
- trigger = IRQF_TRIGGER_HIGH;
- irq_pol = 0;
- }
-
- snd_soc_update_bits(codec, WM8903_INTERRUPT_CONTROL,
- WM8903_IRQ_POL, irq_pol);
-
- ret = request_threaded_irq(wm8903->irq, NULL, wm8903_irq,
- trigger | IRQF_ONESHOT,
- "wm8903", codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to request IRQ: %d\n",
- ret);
- return ret;
- }
-
- /* Enable write sequencer interrupts */
- snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK,
- WM8903_IM_WSEQ_BUSY_EINT, 0);
- }
/* power on device */
wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- /* Latch volume update bits */
- val = snd_soc_read(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT);
- val |= WM8903_ADCVU;
- snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT, val);
- snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_RIGHT, val);
-
- val = snd_soc_read(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT);
- val |= WM8903_DACVU;
- snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT, val);
- snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_RIGHT, val);
-
- val = snd_soc_read(codec, WM8903_ANALOGUE_OUT1_LEFT);
- val |= WM8903_HPOUTVU;
- snd_soc_write(codec, WM8903_ANALOGUE_OUT1_LEFT, val);
- snd_soc_write(codec, WM8903_ANALOGUE_OUT1_RIGHT, val);
-
- val = snd_soc_read(codec, WM8903_ANALOGUE_OUT2_LEFT);
- val |= WM8903_LINEOUTVU;
- snd_soc_write(codec, WM8903_ANALOGUE_OUT2_LEFT, val);
- snd_soc_write(codec, WM8903_ANALOGUE_OUT2_RIGHT, val);
-
- val = snd_soc_read(codec, WM8903_ANALOGUE_OUT3_LEFT);
- val |= WM8903_SPKVU;
- snd_soc_write(codec, WM8903_ANALOGUE_OUT3_LEFT, val);
- snd_soc_write(codec, WM8903_ANALOGUE_OUT3_RIGHT, val);
-
- /* Enable DAC soft mute by default */
- snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
- WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE,
- WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE);
-
- wm8903_init_gpio(codec);
-
- return ret;
+ return 0;
}
/* power down chip */
static int wm8903_remove(struct snd_soc_codec *codec)
{
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-
- wm8903_free_gpio(codec);
wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
- if (wm8903->irq)
- free_irq(wm8903->irq, codec);
return 0;
}
@@ -2119,20 +2014,23 @@ static int wm8903_set_pdata_from_of(struct i2c_client *i2c,
return 0;
}
-static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int wm8903_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct wm8903_priv *wm8903;
- unsigned int val;
- int ret;
+ int trigger;
+ bool mic_gpio = false;
+ unsigned int val, irq_pol;
+ int ret, i;
wm8903 = devm_kzalloc(&i2c->dev, sizeof(struct wm8903_priv),
GFP_KERNEL);
if (wm8903 == NULL)
return -ENOMEM;
+ wm8903->dev = &i2c->dev;
- wm8903->regmap = regmap_init_i2c(i2c, &wm8903_regmap);
+ wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);
if (IS_ERR(wm8903->regmap)) {
ret = PTR_ERR(wm8903->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
@@ -2141,7 +2039,6 @@ static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
}
i2c_set_clientdata(i2c, wm8903);
- wm8903->irq = i2c->irq;
/* If no platform data was supplied, create storage for defaults */
if (pdata) {
@@ -2168,6 +2065,8 @@ static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
}
}
+ pdata = wm8903->pdata;
+
ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
@@ -2190,6 +2089,107 @@ static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
/* Reset the device */
regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903);
+ wm8903_init_gpio(wm8903);
+
+ /* Set up GPIO pin state, detect if any are MIC detect outputs */
+ for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
+ if ((!pdata->gpio_cfg[i]) ||
+ (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO))
+ continue;
+
+ regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i,
+ pdata->gpio_cfg[i] & 0x7fff);
+
+ val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
+ >> WM8903_GP1_FN_SHIFT;
+
+ switch (val) {
+ case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT:
+ case WM8903_GPn_FN_MICBIAS_SHORT_DETECT:
+ mic_gpio = true;
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* Set up microphone detection */
+ regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0,
+ pdata->micdet_cfg);
+
+ /* Microphone detection needs the WSEQ clock */
+ if (pdata->micdet_cfg)
+ regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0,
+ WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
+
+ /* If microphone detection is enabled by pdata but
+ * detected via IRQ then interrupts can be lost before
+ * the machine driver has set up microphone detection
+ * IRQs as the IRQs are clear on read. The detection
+ * will be enabled when the machine driver configures.
+ */
+ WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
+
+ wm8903->mic_delay = pdata->micdet_delay;
+
+ if (i2c->irq) {
+ if (pdata->irq_active_low) {
+ trigger = IRQF_TRIGGER_LOW;
+ irq_pol = WM8903_IRQ_POL;
+ } else {
+ trigger = IRQF_TRIGGER_HIGH;
+ irq_pol = 0;
+ }
+
+ regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL,
+ WM8903_IRQ_POL, irq_pol);
+
+ ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq,
+ trigger | IRQF_ONESHOT,
+ "wm8903", wm8903);
+ if (ret != 0) {
+ dev_err(wm8903->dev, "Failed to request IRQ: %d\n",
+ ret);
+ return ret;
+ }
+
+ /* Enable write sequencer interrupts */
+ regmap_update_bits(wm8903->regmap,
+ WM8903_INTERRUPT_STATUS_1_MASK,
+ WM8903_IM_WSEQ_BUSY_EINT, 0);
+ }
+
+ /* Latch volume update bits */
+ regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_LEFT,
+ WM8903_ADCVU, WM8903_ADCVU);
+ regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_RIGHT,
+ WM8903_ADCVU, WM8903_ADCVU);
+
+ regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_LEFT,
+ WM8903_DACVU, WM8903_DACVU);
+ regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_RIGHT,
+ WM8903_DACVU, WM8903_DACVU);
+
+ regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_LEFT,
+ WM8903_HPOUTVU, WM8903_HPOUTVU);
+ regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_RIGHT,
+ WM8903_HPOUTVU, WM8903_HPOUTVU);
+
+ regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_LEFT,
+ WM8903_LINEOUTVU, WM8903_LINEOUTVU);
+ regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_RIGHT,
+ WM8903_LINEOUTVU, WM8903_LINEOUTVU);
+
+ regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_LEFT,
+ WM8903_SPKVU, WM8903_SPKVU);
+ regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_RIGHT,
+ WM8903_SPKVU, WM8903_SPKVU);
+
+ /* Enable DAC soft mute by default */
+ regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_1,
+ WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE,
+ WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE);
+
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8903, &wm8903_dai, 1);
if (ret != 0)
@@ -2197,15 +2197,16 @@ static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
return 0;
err:
- regmap_exit(wm8903->regmap);
return ret;
}
-static __devexit int wm8903_i2c_remove(struct i2c_client *client)
+static int wm8903_i2c_remove(struct i2c_client *client)
{
struct wm8903_priv *wm8903 = i2c_get_clientdata(client);
- regmap_exit(wm8903->regmap);
+ if (client->irq)
+ free_irq(client->irq, wm8903);
+ wm8903_free_gpio(wm8903);
snd_soc_unregister_codec(&client->dev);
return 0;
@@ -2230,27 +2231,11 @@ static struct i2c_driver wm8903_i2c_driver = {
.of_match_table = wm8903_of_match,
},
.probe = wm8903_i2c_probe,
- .remove = __devexit_p(wm8903_i2c_remove),
+ .remove = wm8903_i2c_remove,
.id_table = wm8903_i2c_id,
};
-static int __init wm8903_modinit(void)
-{
- int ret = 0;
- ret = i2c_add_driver(&wm8903_i2c_driver);
- if (ret != 0) {
- printk(KERN_ERR "Failed to register wm8903 I2C driver: %d\n",
- ret);
- }
- return ret;
-}
-module_init(wm8903_modinit);
-
-static void __exit wm8903_exit(void)
-{
- i2c_del_driver(&wm8903_i2c_driver);
-}
-module_exit(wm8903_exit);
+module_i2c_driver(wm8903_i2c_driver);
MODULE_DESCRIPTION("ASoC WM8903 driver");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 08:31:25 +0000