#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/wm8903.h>
+#include <trace/events/asoc.h>
#include "wm8903.h"
struct wm8903_priv {
- u16 reg_cache[ARRAY_SIZE(wm8903_reg_defaults)];
-
int sysclk;
int irq;
- /* Reference counts */
+ int fs;
+ int deemph;
+
+ /* Reference count */
int class_w_users;
- int playback_active;
- int capture_active;
struct completion wseq;
int mic_short;
int mic_last_report;
int mic_delay;
-
- struct snd_pcm_substream *master_substream;
- struct snd_pcm_substream *slave_substream;
};
static int wm8903_volatile_register(unsigned int reg)
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
+static int wm8903_deemph[] = { 0, 32000, 44100, 48000 };
+
+static int wm8903_set_deemph(struct snd_soc_codec *codec)
+{
+ struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+ int val, i, best;
+
+ /* If we're using deemphasis select the nearest available sample
+ * rate.
+ */
+ if (wm8903->deemph) {
+ best = 1;
+ for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) {
+ if (abs(wm8903_deemph[i] - wm8903->fs) <
+ abs(wm8903_deemph[best] - wm8903->fs))
+ best = i;
+ }
+
+ val = best << WM8903_DEEMPH_SHIFT;
+ } else {
+ best = 0;
+ val = 0;
+ }
+
+ dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n",
+ best, wm8903_deemph[best]);
+
+ return snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
+ WM8903_DEEMPH_MASK, val);
+}
+
+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 wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.enumerated.item[0] = wm8903->deemph;
+
+ return 0;
+}
+
+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 wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+ int deemph = ucontrol->value.enumerated.item[0];
+ int ret = 0;
+
+ if (deemph > 1)
+ return -EINVAL;
+
+ mutex_lock(&codec->mutex);
+ if (wm8903->deemph != deemph) {
+ wm8903->deemph = deemph;
+
+ wm8903_set_deemph(codec);
+
+ ret = 1;
+ }
+ mutex_unlock(&codec->mutex);
+
+ return ret;
+}
+
/* ALSA can only do steps of .01dB */
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0);
static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
+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 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 const struct soc_enum dac_osr =
+ SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 0, 2, osr_text);
+
static const char *drc_slope_text[] = {
"1", "1/2", "1/4", "1/8", "1/16", "0"
};
static const struct soc_enum mute_mode =
SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text);
-static const char *dac_deemphasis_text[] = {
- "Disabled", "32kHz", "44.1kHz", "48kHz"
-};
-
-static const struct soc_enum dac_deemphasis =
- SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 1, 4, dac_deemphasis_text);
-
static const char *companding_text[] = {
"ulaw", "alaw"
};
6, 1, 0),
/* ADCs */
+SOC_ENUM("ADC OSR", adc_osr),
+SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0),
+SOC_ENUM("HPF Mode", hpf_mode),
SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0),
SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0),
SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1),
12, 0, digital_sidetone_tlv),
/* DAC */
+SOC_ENUM("DAC OSR", dac_osr),
SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
SOC_ENUM("DAC Soft Mute Rate", soft_mute),
SOC_ENUM("DAC Mute Mode", mute_mode),
SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
-SOC_ENUM("DAC De-emphasis", dac_deemphasis),
SOC_ENUM("DAC Companding Mode", dac_companding),
SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
+SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
+ wm8903_get_deemph, wm8903_put_deemph),
/* Headphones */
SOC_DOUBLE_R("Headphone Switch",
static int wm8903_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, wm8903_dapm_widgets,
- ARRAY_SIZE(wm8903_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+ snd_soc_dapm_new_controls(dapm, wm8903_dapm_widgets,
+ ARRAY_SIZE(wm8903_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
return 0;
}
static int wm8903_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 reg, reg2;
+ u16 reg;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_write(codec, WM8903_CLOCK_RATES_2,
WM8903_CLK_SYS_ENA);
wm8903_run_sequence(codec, 0);
wm8903_sync_reg_cache(codec, codec->reg_cache);
- /* Enable low impedence charge pump output */
- reg = snd_soc_read(codec,
- WM8903_CONTROL_INTERFACE_TEST_1);
- snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
- reg | WM8903_TEST_KEY);
- reg2 = snd_soc_read(codec, WM8903_CHARGE_PUMP_TEST_1);
- snd_soc_write(codec, WM8903_CHARGE_PUMP_TEST_1,
- reg2 | WM8903_CP_SW_KELVIN_MODE_MASK);
- snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
- reg);
-
/* By default no bypass paths are enabled so
* enable Class W support.
*/
dev_dbg(codec->dev, "Enabling Class W\n");
- snd_soc_write(codec, WM8903_CLASS_W_0, reg |
- WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
+ snd_soc_update_bits(codec, WM8903_CLASS_W_0,
+ WM8903_CP_DYN_FREQ |
+ WM8903_CP_DYN_V,
+ WM8903_CP_DYN_FREQ |
+ WM8903_CP_DYN_V);
}
reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
{ 0, 0 },
};
-static int wm8903_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
- struct snd_pcm_runtime *master_runtime;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- wm8903->playback_active++;
- else
- wm8903->capture_active++;
-
- /* The DAI has shared clocks so if we already have a playback or
- * capture going then constrain this substream to match it.
- */
- if (wm8903->master_substream) {
- master_runtime = wm8903->master_substream->runtime;
-
- dev_dbg(codec->dev, "Constraining to %d bits\n",
- master_runtime->sample_bits);
-
- snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
- master_runtime->sample_bits,
- master_runtime->sample_bits);
-
- wm8903->slave_substream = substream;
- } else
- wm8903->master_substream = substream;
-
- return 0;
-}
-
-static void wm8903_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- wm8903->playback_active--;
- else
- wm8903->capture_active--;
-
- if (wm8903->master_substream == substream)
- wm8903->master_substream = wm8903->slave_substream;
-
- wm8903->slave_substream = NULL;
-}
-
static int wm8903_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
u16 clock1 = snd_soc_read(codec, WM8903_CLOCK_RATES_1);
u16 dac_digital1 = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
- if (substream == wm8903->slave_substream) {
- dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n");
- return 0;
- }
-
/* Enable sloping stopband filter for low sample rates */
if (fs <= 24000)
dac_digital1 |= WM8903_DAC_SB_FILT;
}
}
- /* Constraints should stop us hitting this but let's make sure */
- if (wm8903->capture_active)
- switch (sample_rates[dsp_config].rate) {
- case 88200:
- case 96000:
- dev_err(codec->dev, "%dHz unsupported by ADC\n",
- fs);
- return -EINVAL;
-
- default:
- break;
- }
-
dev_dbg(codec->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
clock1 &= ~WM8903_SAMPLE_RATE_MASK;
clock1 |= sample_rates[dsp_config].value;
aif2 |= bclk_divs[bclk_div].div;
aif3 |= bclk / fs;
+ wm8903->fs = params_rate(params);
+ wm8903_set_deemph(codec);
+
snd_soc_write(codec, WM8903_CLOCK_RATES_0, clock0);
snd_soc_write(codec, WM8903_CLOCK_RATES_1, clock1);
snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
WM8903_MICDET_EINT | WM8903_MICSHRT_EINT,
irq_mask);
- if (det && shrt) {
+ if (det || shrt) {
/* Enable mic detection, this may not have been set through
* platform data (eg, if the defaults are OK). */
snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
mic_report = wm8903->mic_last_report;
int_pol = snd_soc_read(codec, WM8903_INTERRUPT_POLARITY_1);
+#ifndef CONFIG_SND_SOC_WM8903_MODULE
+ if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT))
+ trace_snd_soc_jack_irq(dev_name(codec->dev));
+#endif
+
if (int_val & WM8903_MICSHRT_EINT) {
dev_dbg(codec->dev, "Microphone short (pol=%x)\n", int_pol);
SNDRV_PCM_FMTBIT_S24_LE)
static struct snd_soc_dai_ops wm8903_dai_ops = {
- .startup = wm8903_startup,
- .shutdown = wm8903_shutdown,
.hw_params = wm8903_hw_params,
.digital_mute = wm8903_digital_mute,
.set_fmt = wm8903_set_dai_fmt,
projects / mv-sheeva.git / blobdiff