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ASoC: Add WM8958 enhanced EQ support
DSP2 in the WM8958 can be used to support an upgraded EQ for use in demanding applications. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown
parent
09e10d7fe5
commit
312158718f
@ -35,6 +35,7 @@ struct wm8994_ldo_pdata {
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#define WM8958_MBC_COMBINED_REGS 56
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#define WM8958_VSS_HPF_REGS 2
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#define WM8958_VSS_REGS 148
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#define WM8958_ENH_EQ_REGS 32
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/**
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* DRC configurations are specified with a label and a set of register
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@ -101,6 +102,17 @@ struct wm8958_vss_cfg {
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u16 regs[WM8958_VSS_REGS];
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};
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/**
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* Enhanced EQ configurations are specified with a label and array of
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* values to write. Configurations are expected to be generated using
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* the multiband compressor configuration panel in WISCE - see
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* http://www.wolfsonmicro.com/wisce/
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*/
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struct wm8958_enh_eq_cfg {
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const char *name;
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u16 regs[WM8958_ENH_EQ_REGS];
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};
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struct wm8994_pdata {
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int gpio_base;
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@ -129,6 +141,9 @@ struct wm8994_pdata {
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int num_vss_hpf_cfgs;
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struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
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int num_enh_eq_cfgs;
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struct wm8958_enh_eq_cfg *enh_eq_cfgs;
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/* LINEOUT can be differential or single ended */
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unsigned int lineout1_diff:1;
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unsigned int lineout2_diff:1;
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@ -294,6 +294,36 @@ static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
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path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
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}
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static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
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{
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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struct wm8994_pdata *pdata = wm8994->pdata;
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int i;
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wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);
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snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
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WM8958_DSP2_ENA, WM8958_DSP2_ENA);
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/* If we've got user supplied settings use them */
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if (pdata && pdata->num_enh_eq_cfgs) {
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struct wm8958_enh_eq_cfg *cfg
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= &pdata->enh_eq_cfgs[wm8994->enh_eq_cfg];
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for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
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snd_soc_write(codec, i + 0x2200,
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cfg->regs[i]);
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}
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/* Run the DSP */
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snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
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WM8958_DSP2_RUNR);
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/* Switch the DSP into the data path */
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snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
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WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
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path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
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}
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static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
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{
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@ -321,7 +351,8 @@ static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
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/* Do we have both an active AIF and an active algorithm? */
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ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
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wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path];
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wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
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wm8994->enh_eq_ena[path];
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if (!pwr_reg)
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ena = 0;
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@ -344,7 +375,9 @@ static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
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aif << WM8958_DSP2CLK_SRC_SHIFT |
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WM8958_DSP2CLK_ENA);
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if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
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if (wm8994->enh_eq_ena[path])
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wm8958_dsp_start_enh_eq(codec, path);
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else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
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wm8994->hpf2_ena[path])
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wm8958_dsp_start_vss(codec, path);
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else if (wm8994->mbc_ena[path])
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@ -483,6 +516,9 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
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return -EBUSY;
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}
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if (wm8994->enh_eq_ena[mbc])
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return -EBUSY;
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wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
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wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);
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@ -603,6 +639,9 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
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return -EBUSY;
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}
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if (wm8994->enh_eq_ena[vss])
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return -EBUSY;
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wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
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wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);
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@ -661,7 +700,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
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return -EBUSY;
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}
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if (wm8994->eq[hpf % 3])
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if (wm8994->enh_eq_ena[hpf % 3])
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return -EBUSY;
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if (hpf < 3)
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@ -681,6 +720,97 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
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.get = wm8958_hpf_get, .put = wm8958_hpf_put, \
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.private_value = xval }
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static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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struct wm8994_pdata *pdata = wm8994->pdata;
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int value = ucontrol->value.integer.value[0];
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int reg;
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/* Don't allow on the fly reconfiguration */
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reg = snd_soc_read(codec, WM8994_CLOCKING_1);
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if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
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return -EBUSY;
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if (value >= pdata->num_enh_eq_cfgs)
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return -EINVAL;
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wm8994->enh_eq_cfg = value;
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return 0;
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}
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static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
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return 0;
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}
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static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 1;
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return 0;
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}
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static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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int eq = kcontrol->private_value;
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
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return 0;
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}
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static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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int eq = kcontrol->private_value;
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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if (ucontrol->value.integer.value[0] > 1)
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return -EINVAL;
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if (!wm8994->enh_eq)
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return -ENODEV;
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if (wm8958_dsp2_busy(wm8994, eq)) {
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dev_dbg(codec->dev, "DSP2 active on %d already\n", eq);
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return -EBUSY;
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}
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if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
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wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
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return -EBUSY;
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wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
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wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);
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return 0;
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}
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#define WM8958_ENH_EQ_SWITCH(xname, xval) {\
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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.info = wm8958_enh_eq_info, \
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.get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
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.private_value = xval }
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static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
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WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
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WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
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@ -699,6 +829,24 @@ WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
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WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
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};
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static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
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WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
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WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
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WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
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};
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static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
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{
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struct snd_soc_codec *codec = context;
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) {
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mutex_lock(&codec->mutex);
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wm8994->enh_eq = fw;
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mutex_unlock(&codec->mutex);
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}
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}
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static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
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{
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struct snd_soc_codec *codec = context;
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@ -710,6 +858,12 @@ static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
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mutex_unlock(&codec->mutex);
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}
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/* We can't have more than one request outstanding at once so
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* we daisy chain.
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*/
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request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
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"wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
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codec, wm8958_enh_eq_loaded);
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}
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static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
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@ -744,6 +898,8 @@ void wm8958_dsp2_init(struct snd_soc_codec *codec)
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ARRAY_SIZE(wm8958_mbc_snd_controls));
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snd_soc_add_controls(codec, wm8958_vss_snd_controls,
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ARRAY_SIZE(wm8958_vss_snd_controls));
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snd_soc_add_controls(codec, wm8958_enh_eq_snd_controls,
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ARRAY_SIZE(wm8958_enh_eq_snd_controls));
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/* We don't *require* firmware and don't want to delay boot */
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@ -839,4 +995,34 @@ void wm8958_dsp2_init(struct snd_soc_codec *codec)
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"Failed to add VSS HPFmode controls: %d\n",
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ret);
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}
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if (pdata->num_enh_eq_cfgs) {
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struct snd_kcontrol_new control[] = {
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SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
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wm8958_get_enh_eq_enum,
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wm8958_put_enh_eq_enum),
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};
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/* We need an array of texts for the enum API */
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wm8994->enh_eq_texts = kmalloc(sizeof(char *)
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* pdata->num_enh_eq_cfgs, GFP_KERNEL);
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if (!wm8994->enh_eq_texts) {
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dev_err(wm8994->codec->dev,
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"Failed to allocate %d enhanced EQ config texts\n",
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pdata->num_enh_eq_cfgs);
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return;
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}
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for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
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wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
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wm8994->enh_eq_enum.max = pdata->num_enh_eq_cfgs;
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wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
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ret = snd_soc_add_controls(wm8994->codec, control, 1);
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if (ret != 0)
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dev_err(wm8994->codec->dev,
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"Failed to add enhanced EQ controls: %d\n",
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ret);
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}
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}
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@ -3142,6 +3142,8 @@ static int wm8994_codec_remove(struct snd_soc_codec *codec)
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release_firmware(wm8994->mbc);
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if (wm8994->mbc_vss)
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release_firmware(wm8994->mbc_vss);
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if (wm8994->enh_eq)
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release_firmware(wm8994->enh_eq);
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kfree(wm8994->retune_mobile_texts);
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kfree(wm8994->drc_texts);
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kfree(wm8994);
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@ -87,6 +87,7 @@ struct wm8994_priv {
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int hpf1_ena[3];
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int hpf2_ena[3];
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int vss_ena[3];
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int enh_eq_ena[3];
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/* Platform dependant DRC configuration */
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const char **drc_texts;
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@ -114,6 +115,11 @@ struct wm8994_priv {
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const char **vss_hpf_texts;
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struct soc_enum vss_hpf_enum;
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/* Platform dependant enhanced EQ configuration */
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int enh_eq_cfg;
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const char **enh_eq_texts;
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struct soc_enum enh_eq_enum;
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struct wm8994_micdet micdet[2];
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wm8958_micdet_cb jack_cb;
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@ -133,6 +139,7 @@ struct wm8994_priv {
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const struct firmware *cur_fw;
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const struct firmware *mbc;
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const struct firmware *mbc_vss;
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const struct firmware *enh_eq;
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};
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#endif
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