#include "wm8994.h"
#include "wm_hubs.h"
-static struct snd_soc_codec *wm8994_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8994;
-
struct fll_config {
int src;
int in;
#define WM8994_REG_CACHE_SIZE 0x621
+struct wm8994_micdet {
+ struct snd_soc_jack *jack;
+ int det;
+ int shrt;
+};
+
/* codec private data */
struct wm8994_priv {
struct wm_hubs_data hubs;
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
+ struct snd_soc_codec *codec;
u16 reg_cache[WM8994_REG_CACHE_SIZE + 1];
int sysclk[2];
int sysclk_rate[2];
int retune_mobile_cfg[WM8994_NUM_EQ];
struct soc_enum retune_mobile_enum;
+ struct wm8994_micdet micdet[2];
+
struct wm8994_pdata *pdata;
};
static int wm8994_readable(unsigned int reg)
{
+ switch (reg) {
+ case WM8994_GPIO_1:
+ case WM8994_GPIO_2:
+ case WM8994_GPIO_3:
+ case WM8994_GPIO_4:
+ case WM8994_GPIO_5:
+ case WM8994_GPIO_6:
+ case WM8994_GPIO_7:
+ case WM8994_GPIO_8:
+ case WM8994_GPIO_9:
+ case WM8994_GPIO_10:
+ case WM8994_GPIO_11:
+ case WM8994_INTERRUPT_STATUS_1:
+ case WM8994_INTERRUPT_STATUS_2:
+ case WM8994_INTERRUPT_RAW_STATUS_2:
+ return 1;
+ default:
+ break;
+ }
+
if (reg >= ARRAY_SIZE(access_masks))
return 0;
return access_masks[reg].readable != 0;
static int wm8994_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
BUG_ON(reg > WM8994_MAX_REGISTER);
if (!wm8994_volatile(reg))
wm8994->reg_cache[reg] = value;
+ dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
return wm8994_reg_write(codec->control_data, reg, value);
}
static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
{
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
int rate;
int reg1 = 0;
int offset;
dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
aif + 1, rate);
}
+
+ if (rate && rate < 3000000)
+ dev_warn(codec->dev, "AIF%dCLK is %dHz, should be >=3MHz for optimal performance\n",
+ aif + 1, rate);
+
wm8994->aifclk[aif] = rate;
snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,
static int configure_clock(struct snd_soc_codec *codec)
{
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
int old, new;
/* Bring up the AIF clocks first */
return snd_soc_put_volsw(kcontrol, ucontrol);
}
-
-
static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
{
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
struct wm8994_pdata *pdata = wm8994->pdata;
int base = wm8994_drc_base[drc];
int cfg = wm8994->drc_cfg[drc];
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
struct wm8994_pdata *pdata = wm8994->pdata;
int drc = wm8994_get_drc(kcontrol->id.name);
int value = ucontrol->value.integer.value[0];
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
int drc = wm8994_get_drc(kcontrol->id.name);
ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
{
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
struct wm8994_pdata *pdata = wm8994->pdata;
int base = wm8994_retune_mobile_base[block];
int iface, best, best_val, save, i, cfg;
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
struct wm8994_pdata *pdata = wm8994->pdata;
int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
int value = ucontrol->value.integer.value[0];
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 =snd_soc_codec_get_drvdata(codec);
int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
/* Only support direct DAC->headphone paths */
reg = snd_soc_read(codec, WM8994_OUTPUT_MIXER_1);
if (!(reg & WM8994_DAC1L_TO_HPOUT1L)) {
- dev_dbg(codec->dev, "HPL connected to output mixer\n");
+ dev_vdbg(codec->dev, "HPL connected to output mixer\n");
enable = 0;
}
reg = snd_soc_read(codec, WM8994_OUTPUT_MIXER_2);
if (!(reg & WM8994_DAC1R_TO_HPOUT1R)) {
- dev_dbg(codec->dev, "HPR connected to output mixer\n");
+ dev_vdbg(codec->dev, "HPR connected to output mixer\n");
enable = 0;
}
reg = snd_soc_read(codec, WM8994_DAC1_LEFT_MIXER_ROUTING);
switch (reg) {
case WM8994_AIF2DACL_TO_DAC1L:
- dev_dbg(codec->dev, "Class W source AIF2DAC\n");
+ dev_vdbg(codec->dev, "Class W source AIF2DAC\n");
source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
break;
case WM8994_AIF1DAC2L_TO_DAC1L:
- dev_dbg(codec->dev, "Class W source AIF1DAC2\n");
+ dev_vdbg(codec->dev, "Class W source AIF1DAC2\n");
source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
break;
case WM8994_AIF1DAC1L_TO_DAC1L:
- dev_dbg(codec->dev, "Class W source AIF1DAC1\n");
+ dev_vdbg(codec->dev, "Class W source AIF1DAC1\n");
source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
break;
default:
- dev_dbg(codec->dev, "DAC mixer setting: %x\n", reg);
+ dev_vdbg(codec->dev, "DAC mixer setting: %x\n", reg);
enable = 0;
break;
}
reg_r = snd_soc_read(codec, WM8994_DAC1_RIGHT_MIXER_ROUTING);
if (reg_r != reg) {
- dev_dbg(codec->dev, "Left and right DAC mixers different\n");
+ dev_vdbg(codec->dev, "Left and right DAC mixers different\n");
enable = 0;
}
0, 1, 0),
};
+static const struct snd_kcontrol_new aif1adc2l_mix[] = {
+SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
+ 1, 1, 0),
+SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new aif1adc2r_mix[] = {
+SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
+ 1, 1, 0),
+SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
static const struct snd_kcontrol_new aif2dac2l_mix[] = {
SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
5, 1, 0),
static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("DMIC1DAT"),
SND_SOC_DAPM_INPUT("DMIC2DAT"),
+SND_SOC_DAPM_INPUT("Clock"),
SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
+SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
+ aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
+SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
+ aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
+
SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
{ "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
{ "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
+ { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
+ { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
+ { "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
+
+ { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
+ { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
+ { "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
+
/* Pin level routing for AIF3 */
{ "AIF1DAC1L", NULL, "AIF1DAC Mux" },
{ "AIF1DAC1R", NULL, "AIF1DAC Mux" },
if (freq_in > 1000000) {
fll->fll_fratio = 0;
- } else {
+ } else if (freq_in > 256000) {
+ fll->fll_fratio = 1;
+ freq_in *= 2;
+ } else if (freq_in > 128000) {
+ fll->fll_fratio = 2;
+ freq_in *= 4;
+ } else if (freq_in > 64000) {
fll->fll_fratio = 3;
freq_in *= 8;
+ } else {
+ fll->fll_fratio = 4;
+ freq_in *= 16;
}
pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
return 0;
}
-static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
+static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
unsigned int freq_in, unsigned int freq_out)
{
- struct snd_soc_codec *codec = dai->codec;
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
int reg_offset, ret;
struct fll_div fll;
u16 reg, aif1, aif2;
return -EINVAL;
}
+ switch (src) {
+ case 0:
+ /* Allow no source specification when stopping */
+ if (freq_out)
+ return -EINVAL;
+ break;
+ case WM8994_FLL_SRC_MCLK1:
+ case WM8994_FLL_SRC_MCLK2:
+ case WM8994_FLL_SRC_LRCLK:
+ case WM8994_FLL_SRC_BCLK:
+ break;
+ default:
+ return -EINVAL;
+ }
+
/* Are we changing anything? */
if (wm8994->fll[id].src == src &&
wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
fll.n << WM8994_FLL1_N_SHIFT);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
- WM8994_FLL1_REFCLK_DIV_MASK,
- fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT);
+ WM8994_FLL1_REFCLK_DIV_MASK |
+ WM8994_FLL1_REFCLK_SRC_MASK,
+ (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
+ (src - 1));
/* Enable (with fractional mode if required) */
if (freq_out) {
wm8994->fll[id].in = freq_in;
wm8994->fll[id].out = freq_out;
+ wm8994->fll[id].src = src;
/* Enable any gated AIF clocks */
snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
return 0;
}
+
+static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
+
+static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
+ unsigned int freq_in, unsigned int freq_out)
+{
+ return _wm8994_set_fll(dai->codec, id, src, freq_in, freq_out);
+}
+
static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ int i;
switch (dai->id) {
case 1:
dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
break;
+ case WM8994_SYSCLK_OPCLK:
+ /* Special case - a division (times 10) is given and
+ * no effect on main clocking.
+ */
+ if (freq) {
+ for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
+ if (opclk_divs[i] == freq)
+ break;
+ if (i == ARRAY_SIZE(opclk_divs))
+ return -EINVAL;
+ snd_soc_update_bits(codec, WM8994_CLOCKING_2,
+ WM8994_OPCLK_DIV_MASK, i);
+ snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
+ WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
+ } else {
+ snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
+ WM8994_OPCLK_ENA, 0);
+ }
+
default:
return -EINVAL;
}
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
int aif1_reg;
int bclk_reg;
int lrclk_reg;
return 0;
}
+static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ int reg, val, mask;
+
+ switch (codec_dai->id) {
+ case 1:
+ reg = WM8994_AIF1_MASTER_SLAVE;
+ mask = WM8994_AIF1_TRI;
+ break;
+ case 2:
+ reg = WM8994_AIF2_MASTER_SLAVE;
+ mask = WM8994_AIF2_TRI;
+ break;
+ case 3:
+ reg = WM8994_POWER_MANAGEMENT_6;
+ mask = WM8994_AIF3_TRI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (tristate)
+ val = mask;
+ else
+ val = 0;
+
+ return snd_soc_update_bits(codec, reg, mask, reg);
+}
+
#define WM8994_RATES SNDRV_PCM_RATE_8000_96000
#define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
.hw_params = wm8994_hw_params,
.digital_mute = wm8994_aif_mute,
.set_pll = wm8994_set_fll,
+ .set_tristate = wm8994_set_tristate,
};
static struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
.hw_params = wm8994_hw_params,
.digital_mute = wm8994_aif_mute,
.set_pll = wm8994_set_fll,
+ .set_tristate = wm8994_set_tristate,
};
-struct snd_soc_dai wm8994_dai[] = {
+static struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
+ .set_tristate = wm8994_set_tristate,
+};
+
+static struct snd_soc_dai_driver wm8994_dai[] = {
{
- .name = "WM8994 AIF1",
- .id = 1,
+ .name = "wm8994-aif1",
.playback = {
.stream_name = "AIF1 Playback",
.channels_min = 2,
.ops = &wm8994_aif1_dai_ops,
},
{
- .name = "WM8994 AIF2",
- .id = 2,
+ .name = "wm8994-aif2",
.playback = {
.stream_name = "AIF2 Playback",
.channels_min = 2,
.ops = &wm8994_aif2_dai_ops,
},
{
- .name = "WM8994 AIF3",
+ .name = "wm8994-aif3",
.playback = {
.stream_name = "AIF3 Playback",
.channels_min = 2,
.rates = WM8994_RATES,
.formats = WM8994_FORMATS,
},
+ .ops = &wm8994_aif3_dai_ops,
}
};
-EXPORT_SYMBOL_GPL(wm8994_dai);
#ifdef CONFIG_PM
-static int wm8994_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8994_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
int i, ret;
for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
sizeof(struct fll_config));
- ret = wm8994_set_fll(&codec->dai[0], i + 1, 0, 0, 0);
+ ret = _wm8994_set_fll(codec, i + 1, 0, 0, 0);
if (ret < 0)
dev_warn(codec->dev, "Failed to stop FLL%d: %d\n",
i + 1, ret);
return 0;
}
-static int wm8994_resume(struct platform_device *pdev)
+static int wm8994_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
- struct wm8994_priv *wm8994 = codec->private_data;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
u16 *reg_cache = codec->reg_cache;
int i, ret;
wm8994_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
- ret = wm8994_set_fll(&codec->dai[0], i + 1,
+ if (!wm8994->fll_suspend[i].out)
+ continue;
+
+ ret = _wm8994_set_fll(codec, i + 1,
wm8994->fll_suspend[i].src,
wm8994->fll_suspend[i].in,
wm8994->fll_suspend[i].out);
static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
{
- struct snd_soc_codec *codec = &wm8994->codec;
+ struct snd_soc_codec *codec = wm8994->codec;
struct wm8994_pdata *pdata = wm8994->pdata;
struct snd_kcontrol_new controls[] = {
SOC_ENUM_EXT("AIF1.1 EQ Mode",
wm8994->retune_mobile_enum.max = wm8994->num_retune_mobile_texts;
wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
- ret = snd_soc_add_controls(&wm8994->codec, controls,
+ ret = snd_soc_add_controls(wm8994->codec, controls,
ARRAY_SIZE(controls));
if (ret != 0)
- dev_err(wm8994->codec.dev,
+ dev_err(wm8994->codec->dev,
"Failed to add ReTune Mobile controls: %d\n", ret);
}
static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
{
- struct snd_soc_codec *codec = &wm8994->codec;
+ struct snd_soc_codec *codec = wm8994->codec;
struct wm8994_pdata *pdata = wm8994->pdata;
int ret, i;
wm8994->drc_texts = kmalloc(sizeof(char *)
* pdata->num_drc_cfgs, GFP_KERNEL);
if (!wm8994->drc_texts) {
- dev_err(wm8994->codec.dev,
+ dev_err(wm8994->codec->dev,
"Failed to allocate %d DRC config texts\n",
pdata->num_drc_cfgs);
return;
wm8994->drc_enum.max = pdata->num_drc_cfgs;
wm8994->drc_enum.texts = wm8994->drc_texts;
- ret = snd_soc_add_controls(&wm8994->codec, controls,
+ ret = snd_soc_add_controls(wm8994->codec, controls,
ARRAY_SIZE(controls));
if (ret != 0)
- dev_err(wm8994->codec.dev,
+ dev_err(wm8994->codec->dev,
"Failed to add DRC mode controls: %d\n", ret);
for (i = 0; i < WM8994_NUM_DRC; i++)
if (pdata->num_retune_mobile_cfgs)
wm8994_handle_retune_mobile_pdata(wm8994);
else
- snd_soc_add_controls(&wm8994->codec, wm8994_eq_controls,
+ snd_soc_add_controls(wm8994->codec, wm8994_eq_controls,
ARRAY_SIZE(wm8994_eq_controls));
}
-static int wm8994_probe(struct platform_device *pdev)
+/**
+ * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
+ *
+ * @codec: WM8994 codec
+ * @jack: jack to report detection events on
+ * @micbias: microphone bias to detect on
+ * @det: value to report for presence detection
+ * @shrt: value to report for short detection
+ *
+ * Enable microphone detection via IRQ on the WM8994. If GPIOs are
+ * being used to bring out signals to the processor then only platform
+ * data configuration is needed for WM8903 and processor GPIOs should
+ * be configured using snd_soc_jack_add_gpios() instead.
+ *
+ * Configuration of detection levels is available via the micbias1_lvl
+ * and micbias2_lvl platform data members.
+ */
+int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
+ int micbias, int det, int shrt)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994_micdet *micdet;
+ int reg;
- if (wm8994_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
+ switch (micbias) {
+ case 1:
+ micdet = &wm8994->micdet[0];
+ break;
+ case 2:
+ micdet = &wm8994->micdet[1];
+ break;
+ default:
+ return -EINVAL;
+ }
- socdev->card->codec = wm8994_codec;
- codec = wm8994_codec;
+ dev_dbg(codec->dev, "Configuring microphone detection on %d: %x %x\n",
+ micbias, det, shrt);
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- return ret;
- }
+ /* Store the configuration */
+ micdet->jack = jack;
+ micdet->det = det;
+ micdet->shrt = shrt;
- wm8994_handle_pdata(codec->private_data);
+ /* If either of the jacks is set up then enable detection */
+ if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
+ reg = WM8994_MICD_ENA;
+ else
+ reg = 0;
- wm_hubs_add_analogue_controls(codec);
- snd_soc_add_controls(codec, wm8994_snd_controls,
- ARRAY_SIZE(wm8994_snd_controls));
- snd_soc_dapm_new_controls(codec, wm8994_dapm_widgets,
- ARRAY_SIZE(wm8994_dapm_widgets));
- wm_hubs_add_analogue_routes(codec, 0, 0);
- snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+ snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
return 0;
}
+EXPORT_SYMBOL_GPL(wm8994_mic_detect);
-static int wm8994_remove(struct platform_device *pdev)
+static irqreturn_t wm8994_mic_irq(int irq, void *data)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8994_priv *priv = data;
+ struct snd_soc_codec *codec = priv->codec;
+ int reg;
+ int report;
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
+ reg = snd_soc_read(codec, WM8994_INTERRUPT_RAW_STATUS_2);
+ if (reg < 0) {
+ dev_err(codec->dev, "Failed to read microphone status: %d\n",
+ reg);
+ return IRQ_HANDLED;
+ }
- return 0;
+ dev_dbg(codec->dev, "Microphone status: %x\n", reg);
+
+ report = 0;
+ if (reg & WM8994_MIC1_DET_STS)
+ report |= priv->micdet[0].det;
+ if (reg & WM8994_MIC1_SHRT_STS)
+ report |= priv->micdet[0].shrt;
+ snd_soc_jack_report(priv->micdet[0].jack, report,
+ priv->micdet[0].det | priv->micdet[0].shrt);
+
+ report = 0;
+ if (reg & WM8994_MIC2_DET_STS)
+ report |= priv->micdet[1].det;
+ if (reg & WM8994_MIC2_SHRT_STS)
+ report |= priv->micdet[1].shrt;
+ snd_soc_jack_report(priv->micdet[1].jack, report,
+ priv->micdet[1].det | priv->micdet[1].shrt);
+
+ return IRQ_HANDLED;
}
-struct snd_soc_codec_device soc_codec_dev_wm8994 = {
- .probe = wm8994_probe,
- .remove = wm8994_remove,
- .suspend = wm8994_suspend,
- .resume = wm8994_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8994);
-
-static int wm8994_codec_probe(struct platform_device *pdev)
+static int wm8994_codec_probe(struct snd_soc_codec *codec)
{
- int ret;
struct wm8994_priv *wm8994;
- struct snd_soc_codec *codec;
- int i;
- u16 rev;
+ int ret, i, rev;
- if (wm8994_codec) {
- dev_err(&pdev->dev, "Another WM8994 is registered\n");
- return -EINVAL;
- }
+ codec->control_data = dev_get_drvdata(codec->dev->parent);
wm8994 = kzalloc(sizeof(struct wm8994_priv), GFP_KERNEL);
- if (!wm8994) {
- dev_err(&pdev->dev, "Failed to allocate private data\n");
+ if (wm8994 == NULL)
return -ENOMEM;
- }
+ snd_soc_codec_set_drvdata(codec, wm8994);
- codec = &wm8994->codec;
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->private_data = wm8994;
- codec->control_data = dev_get_drvdata(pdev->dev.parent);
- codec->name = "WM8994";
- codec->owner = THIS_MODULE;
- codec->read = wm8994_read;
- codec->write = wm8994_write;
- codec->readable_register = wm8994_readable;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8994_set_bias_level;
- codec->dai = &wm8994_dai[0];
- codec->num_dai = 3;
- codec->reg_cache_size = WM8994_MAX_REGISTER;
- codec->reg_cache = &wm8994->reg_cache;
- codec->dev = &pdev->dev;
-
- wm8994->pdata = pdev->dev.parent->platform_data;
+ wm8994->pdata = dev_get_platdata(codec->dev->parent);
+ wm8994->codec = codec;
/* Fill the cache with physical values we inherited; don't reset */
ret = wm8994_bulk_read(codec->control_data, 0,
break;
}
+ ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_MIC1_DET,
+ wm8994_mic_irq, "Mic 1 detect", wm8994);
+ if (ret != 0)
+ dev_warn(codec->dev,
+ "Failed to request Mic1 detect IRQ: %d\n", ret);
+
+ ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_MIC1_SHRT,
+ wm8994_mic_irq, "Mic 1 short", wm8994);
+ if (ret != 0)
+ dev_warn(codec->dev,
+ "Failed to request Mic1 short IRQ: %d\n", ret);
+
+ ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_MIC2_DET,
+ wm8994_mic_irq, "Mic 2 detect", wm8994);
+ if (ret != 0)
+ dev_warn(codec->dev,
+ "Failed to request Mic2 detect IRQ: %d\n", ret);
+
+ ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_MIC2_SHRT,
+ wm8994_mic_irq, "Mic 2 short", wm8994);
+ if (ret != 0)
+ dev_warn(codec->dev,
+ "Failed to request Mic2 short IRQ: %d\n", ret);
+
/* Remember if AIFnLRCLK is configured as a GPIO. This should be
* configured on init - if a system wants to do this dynamically
* at runtime we can deal with that then.
ret = wm8994_reg_read(codec->control_data, WM8994_GPIO_1);
if (ret < 0) {
dev_err(codec->dev, "Failed to read GPIO1 state: %d\n", ret);
- goto err;
+ goto err_irq;
}
if ((ret & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
wm8994->lrclk_shared[0] = 1;
ret = wm8994_reg_read(codec->control_data, WM8994_GPIO_6);
if (ret < 0) {
dev_err(codec->dev, "Failed to read GPIO6 state: %d\n", ret);
- goto err;
+ goto err_irq;
}
if ((ret & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
wm8994->lrclk_shared[1] = 1;
wm8994->lrclk_shared[1] = 0;
}
- for (i = 0; i < ARRAY_SIZE(wm8994_dai); i++)
- wm8994_dai[i].dev = codec->dev;
-
wm8994_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- wm8994_codec = codec;
-
/* Latch volume updates (right only; we always do left then right). */
snd_soc_update_bits(codec, WM8994_AIF1_DAC1_RIGHT_VOLUME,
WM8994_AIF1DAC1_VU, WM8994_AIF1DAC1_VU);
1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
- wm8994_update_class_w(codec);
+ /* Unconditionally enable AIF1 ADC TDM mode; it only affects
+ * behaviour on idle TDM clock cycles. */
+ snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
+ WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err;
- }
+ wm8994_update_class_w(codec);
- ret = snd_soc_register_dais(wm8994_dai, ARRAY_SIZE(wm8994_dai));
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
- goto err_codec;
- }
+ wm8994_handle_pdata(wm8994);
- platform_set_drvdata(pdev, wm8994);
+ wm_hubs_add_analogue_controls(codec);
+ snd_soc_add_controls(codec, wm8994_snd_controls,
+ ARRAY_SIZE(wm8994_snd_controls));
+ snd_soc_dapm_new_controls(codec, wm8994_dapm_widgets,
+ ARRAY_SIZE(wm8994_dapm_widgets));
+ wm_hubs_add_analogue_routes(codec, 0, 0);
+ snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
return 0;
-err_codec:
- snd_soc_unregister_codec(codec);
+err_irq:
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC2_SHRT, wm8994);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC2_DET, wm8994);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC1_SHRT, wm8994);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC1_DET, wm8994);
err:
kfree(wm8994);
return ret;
}
-static int __devexit wm8994_codec_remove(struct platform_device *pdev)
+static int wm8994_codec_remove(struct snd_soc_codec *codec)
{
- struct wm8994_priv *wm8994 = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = &wm8994->codec;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
wm8994_set_bias_level(codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dais(wm8994_dai, ARRAY_SIZE(wm8994_dai));
- snd_soc_unregister_codec(&wm8994->codec);
+
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC2_SHRT, wm8994);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC2_DET, wm8994);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC1_SHRT, wm8994);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC1_DET, wm8994);
kfree(wm8994);
- wm8994_codec = NULL;
return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
+ .probe = wm8994_codec_probe,
+ .remove = wm8994_codec_remove,
+ .suspend = wm8994_suspend,
+ .resume = wm8994_resume,
+ .read = wm8994_read,
+ .write = wm8994_write,
+ .set_bias_level = wm8994_set_bias_level,
+};
+
+static int __devinit wm8994_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
+ wm8994_dai, ARRAY_SIZE(wm8994_dai));
+}
+
+static int __devexit wm8994_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
static struct platform_driver wm8994_codec_driver = {
.driver = {
.name = "wm8994-codec",
.owner = THIS_MODULE,
},
- .probe = wm8994_codec_probe,
- .remove = __devexit_p(wm8994_codec_remove),
+ .probe = wm8994_probe,
+ .remove = __devexit_p(wm8994_remove),
};
static __init int wm8994_init(void)
projects / mv-sheeva.git / blobdiff