#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;
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_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 */
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;
}
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);
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,
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);
switch (dai->id) {
case 1:
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,
+};
+
+static struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
+ .set_tristate = wm8994_set_tristate,
};
struct snd_soc_dai wm8994_dai[] = {
},
{
.name = "WM8994 AIF3",
+ .id = 3,
.playback = {
.stream_name = "AIF3 Playback",
.channels_min = 2,
.rates = WM8994_RATES,
.formats = WM8994_FORMATS,
},
+ .ops = &wm8994_aif3_dai_ops,
}
};
EXPORT_SYMBOL_GPL(wm8994_dai);
{
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++) {
{
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++) {
+ if (!wm8994->fll_suspend[i].out)
+ continue;
+
ret = wm8994_set_fll(&codec->dai[0], i + 1,
wm8994->fll_suspend[i].src,
wm8994->fll_suspend[i].in,
return ret;
}
- wm8994_handle_pdata(codec->private_data);
+ wm8994_handle_pdata(snd_soc_codec_get_drvdata(codec));
wm_hubs_add_analogue_controls(codec);
snd_soc_add_controls(codec, wm8994_snd_controls,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8994);
+/**
+ * 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 wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994_micdet *micdet;
+ int reg;
+
+ switch (micbias) {
+ case 1:
+ micdet = &wm8994->micdet[0];
+ break;
+ case 2:
+ micdet = &wm8994->micdet[1];
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ dev_dbg(codec->dev, "Configuring microphone detection on %d: %x %x\n",
+ micbias, det, shrt);
+
+ /* Store the configuration */
+ micdet->jack = jack;
+ micdet->det = det;
+ micdet->shrt = shrt;
+
+ /* 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;
+
+ snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm8994_mic_detect);
+
+static irqreturn_t wm8994_mic_irq(int irq, void *data)
+{
+ struct wm8994_priv *priv = data;
+ struct snd_soc_codec *codec = &priv->codec;
+ int reg;
+ int report;
+
+ 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;
+ }
+
+ 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;
+}
+
static int wm8994_codec_probe(struct platform_device *pdev)
{
int ret;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
- codec->private_data = wm8994;
+ snd_soc_codec_set_drvdata(codec, wm8994);
codec->control_data = dev_get_drvdata(pdev->dev.parent);
codec->name = "WM8994";
codec->owner = THIS_MODULE;
break;
}
+ ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_MIC1_DET,
+ wm8994_mic_irq, "Mic 1 detect", wm8994);
+ if (ret != 0)
+ dev_warn(&pdev->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(&pdev->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(&pdev->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(&pdev->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;
ret = snd_soc_register_codec(codec);
if (ret != 0) {
dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err;
+ goto err_irq;
}
ret = snd_soc_register_dais(wm8994_dai, ARRAY_SIZE(wm8994_dai));
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;
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;
git.openpandora.org / pandora-kernel.git / blobdiff