diff options
Diffstat (limited to 'sound/soc/codecs/wm8962.c')
-rw-r--r-- | sound/soc/codecs/wm8962.c | 132 |
1 files changed, 91 insertions, 41 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 5e05eed96c38..8499c563a9b5 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -78,6 +78,8 @@ struct wm8962_priv { #ifdef CONFIG_GPIOLIB struct gpio_chip gpio_chip; #endif + + int irq; }; /* We can't use the same notifier block for more than one supply and @@ -1982,6 +1984,7 @@ static const unsigned int classd_tlv[] = { 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0), 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0), }; +static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); /* The VU bits for the headphones are in a different register to the mute * bits and only take effect on the PGA if it is actually powered. @@ -2119,6 +2122,18 @@ SOC_SINGLE_TLV("HPMIXR MIXINR Volume", WM8962_HEADPHONE_MIXER_4, SOC_SINGLE_TLV("Speaker Boost Volume", WM8962_CLASS_D_CONTROL_2, 0, 7, 0, classd_tlv), + +SOC_SINGLE("EQ Switch", WM8962_EQ1, WM8962_EQ_ENA_SHIFT, 1, 0), +SOC_DOUBLE_R_TLV("EQ1 Volume", WM8962_EQ2, WM8962_EQ22, + WM8962_EQL_B1_GAIN_SHIFT, 31, 0, eq_tlv), +SOC_DOUBLE_R_TLV("EQ2 Volume", WM8962_EQ2, WM8962_EQ22, + WM8962_EQL_B2_GAIN_SHIFT, 31, 0, eq_tlv), +SOC_DOUBLE_R_TLV("EQ3 Volume", WM8962_EQ2, WM8962_EQ22, + WM8962_EQL_B3_GAIN_SHIFT, 31, 0, eq_tlv), +SOC_DOUBLE_R_TLV("EQ4 Volume", WM8962_EQ3, WM8962_EQ23, + WM8962_EQL_B4_GAIN_SHIFT, 31, 0, eq_tlv), +SOC_DOUBLE_R_TLV("EQ5 Volume", WM8962_EQ3, WM8962_EQ23, + WM8962_EQL_B5_GAIN_SHIFT, 31, 0, eq_tlv), }; static const struct snd_kcontrol_new wm8962_spk_mono_controls[] = { @@ -2184,6 +2199,8 @@ static int sysclk_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + unsigned long timeout; int src; int fll; @@ -2203,9 +2220,19 @@ static int sysclk_event(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_PRE_PMU: - if (fll) + if (fll) { snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, WM8962_FLL_ENA, WM8962_FLL_ENA); + if (wm8962->irq) { + timeout = msecs_to_jiffies(5); + timeout = wait_for_completion_timeout(&wm8962->fll_lock, + timeout); + + if (timeout == 0) + dev_err(codec->dev, + "Timed out starting FLL\n"); + } + } break; case SND_SOC_DAPM_POST_PMD: @@ -2763,18 +2790,44 @@ static const int bclk_divs[] = { 1, -1, 2, 3, 4, -1, 6, 8, -1, 12, 16, 24, -1, 32, 32, 32 }; +static const int sysclk_rates[] = { + 64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536, +}; + static void wm8962_configure_bclk(struct snd_soc_codec *codec) { struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); int dspclk, i; int clocking2 = 0; + int clocking4 = 0; int aif2 = 0; - if (!wm8962->bclk) { - dev_dbg(codec->dev, "No BCLK rate configured\n"); + if (!wm8962->sysclk_rate) { + dev_dbg(codec->dev, "No SYSCLK configured\n"); + return; + } + + if (!wm8962->bclk || !wm8962->lrclk) { + dev_dbg(codec->dev, "No audio clocks configured\n"); return; } + for (i = 0; i < ARRAY_SIZE(sysclk_rates); i++) { + if (sysclk_rates[i] == wm8962->sysclk_rate / wm8962->lrclk) { + clocking4 |= i << WM8962_SYSCLK_RATE_SHIFT; + break; + } + } + + if (i == ARRAY_SIZE(sysclk_rates)) { + dev_err(codec->dev, "Unsupported sysclk ratio %d\n", + wm8962->sysclk_rate / wm8962->lrclk); + return; + } + + snd_soc_update_bits(codec, WM8962_CLOCKING_4, + WM8962_SYSCLK_RATE_MASK, clocking4); + dspclk = snd_soc_read(codec, WM8962_CLOCKING1); if (dspclk < 0) { dev_err(codec->dev, "Failed to read DSPCLK: %d\n", dspclk); @@ -2844,6 +2897,8 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec, /* VMID 2*50k */ snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, WM8962_VMID_SEL_MASK, 0x80); + + wm8962_configure_bclk(codec); break; case SND_SOC_BIAS_STANDBY: @@ -2876,8 +2931,6 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec, snd_soc_update_bits(codec, WM8962_CLOCKING2, WM8962_CLKREG_OVD, WM8962_CLKREG_OVD); - - wm8962_configure_bclk(codec); } /* VMID 2*250k */ @@ -2918,10 +2971,6 @@ static const struct { { 96000, 6 }, }; -static const int sysclk_rates[] = { - 64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536, -}; - static int wm8962_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -2929,41 +2978,27 @@ static int wm8962_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec = rtd->codec; struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); - int rate = params_rate(params); int i; int aif0 = 0; int adctl3 = 0; - int clocking4 = 0; wm8962->bclk = snd_soc_params_to_bclk(params); wm8962->lrclk = params_rate(params); for (i = 0; i < ARRAY_SIZE(sr_vals); i++) { - if (sr_vals[i].rate == rate) { + if (sr_vals[i].rate == wm8962->lrclk) { adctl3 |= sr_vals[i].reg; break; } } if (i == ARRAY_SIZE(sr_vals)) { - dev_err(codec->dev, "Unsupported rate %dHz\n", rate); + dev_err(codec->dev, "Unsupported rate %dHz\n", wm8962->lrclk); return -EINVAL; } - if (rate % 8000 == 0) + if (wm8962->lrclk % 8000 == 0) adctl3 |= WM8962_SAMPLE_RATE_INT_MODE; - for (i = 0; i < ARRAY_SIZE(sysclk_rates); i++) { - if (sysclk_rates[i] == wm8962->sysclk_rate / rate) { - clocking4 |= i << WM8962_SYSCLK_RATE_SHIFT; - break; - } - } - if (i == ARRAY_SIZE(sysclk_rates)) { - dev_err(codec->dev, "Unsupported sysclk ratio %d\n", - wm8962->sysclk_rate / rate); - return -EINVAL; - } - switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: break; @@ -2985,8 +3020,6 @@ static int wm8962_hw_params(struct snd_pcm_substream *substream, snd_soc_update_bits(codec, WM8962_ADDITIONAL_CONTROL_3, WM8962_SAMPLE_RATE_INT_MODE | WM8962_SAMPLE_RATE_MASK, adctl3); - snd_soc_update_bits(codec, WM8962_CLOCKING_4, - WM8962_SYSCLK_RATE_MASK, clocking4); wm8962_configure_bclk(codec); @@ -3261,16 +3294,31 @@ static int wm8962_set_fll(struct snd_soc_codec *codec, int fll_id, int source, dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); - /* This should be a massive overestimate */ - timeout = msecs_to_jiffies(1); + ret = 0; + + if (fll1 & WM8962_FLL_ENA) { + /* This should be a massive overestimate but go even + * higher if we'll error out + */ + if (wm8962->irq) + timeout = msecs_to_jiffies(5); + else + timeout = msecs_to_jiffies(1); + + timeout = wait_for_completion_timeout(&wm8962->fll_lock, + timeout); - wait_for_completion_timeout(&wm8962->fll_lock, timeout); + if (timeout == 0 && wm8962->irq) { + dev_err(codec->dev, "FLL lock timed out"); + ret = -ETIMEDOUT; + } + } wm8962->fll_fref = Fref; wm8962->fll_fout = Fout; wm8962->fll_src = source; - return 0; + return ret; } static int wm8962_mute(struct snd_soc_dai *dai, int mute) @@ -3731,8 +3779,6 @@ static int wm8962_probe(struct snd_soc_codec *codec) int ret; struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); struct wm8962_pdata *pdata = dev_get_platdata(codec->dev); - struct i2c_client *i2c = container_of(codec->dev, struct i2c_client, - dev); u16 *reg_cache = codec->reg_cache; int i, trigger, irq_pol; bool dmicclk, dmicdat; @@ -3871,6 +3917,9 @@ static int wm8962_probe(struct snd_soc_codec *codec) snd_soc_update_bits(codec, WM8962_HPOUTR_VOLUME, WM8962_HPOUT_VU, WM8962_HPOUT_VU); + /* Stereo control for EQ */ + snd_soc_update_bits(codec, WM8962_EQ1, WM8962_EQ_SHARED_COEFF, 0); + wm8962_add_widgets(codec); /* Save boards having to disable DMIC when not in use */ @@ -3899,7 +3948,7 @@ static int wm8962_probe(struct snd_soc_codec *codec) wm8962_init_beep(codec); wm8962_init_gpio(codec); - if (i2c->irq) { + if (wm8962->irq) { if (pdata && pdata->irq_active_low) { trigger = IRQF_TRIGGER_LOW; irq_pol = WM8962_IRQ_POL; @@ -3911,12 +3960,13 @@ static int wm8962_probe(struct snd_soc_codec *codec) snd_soc_update_bits(codec, WM8962_INTERRUPT_CONTROL, WM8962_IRQ_POL, irq_pol); - ret = request_threaded_irq(i2c->irq, NULL, wm8962_irq, + ret = request_threaded_irq(wm8962->irq, NULL, wm8962_irq, trigger | IRQF_ONESHOT, "wm8962", codec); if (ret != 0) { dev_err(codec->dev, "Failed to request IRQ %d: %d\n", - i2c->irq, ret); + wm8962->irq, ret); + wm8962->irq = 0; /* Non-fatal */ } else { /* Enable some IRQs by default */ @@ -3941,12 +3991,10 @@ err: static int wm8962_remove(struct snd_soc_codec *codec) { struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); - struct i2c_client *i2c = container_of(codec->dev, struct i2c_client, - dev); int i; - if (i2c->irq) - free_irq(i2c->irq, codec); + if (wm8962->irq) + free_irq(wm8962->irq, codec); cancel_delayed_work_sync(&wm8962->mic_work); @@ -3986,6 +4034,8 @@ static __devinit int wm8962_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, wm8962); + wm8962->irq = i2c->irq; + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8962, &wm8962_dai, 1); if (ret < 0) |