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