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Subject[PATCH 04/20] ALSA: hda/ca0132 - Add full-range speaker selection controls.
Date
Add functions for setting full-range speakers and controls to
enable/disable the setting. Setting a speaker to full-range means that
the channels won't have their bass redirected to the LFE channel.

Signed-off-by: Connor McAdams <conmanx360@gmail.com>
---
sound/pci/hda/patch_ca0132.c | 117 +++++++++++++++++++++++++++++++++++
1 file changed, 117 insertions(+)

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index dd580f4b741d..c9cd4fc218fe 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -147,6 +147,8 @@ enum {
AE5_SOUND_FILTER_ENUM,
ZXR_HEADPHONE_GAIN,
SPEAKER_CHANNEL_CFG_ENUM,
+ SPEAKER_FULL_RANGE_FRONT,
+ SPEAKER_FULL_RANGE_REAR,
#define EFFECTS_COUNT (EFFECT_END_NID - EFFECT_START_NID)
};

@@ -592,6 +594,24 @@ static const struct ct_eq_preset ca0132_alt_eq_presets[] = {
}
};

+/*
+ * DSP reqs for handling full-range speakers/bass redirection. If a speaker is
+ * set as not being full range, and bass redirection is enabled, all
+ * frequencies below the crossover frequency are redirected to the LFE
+ * channel. If the surround configuration has no LFE channel, this can't be
+ * enabled. X-Bass must be disabled when using these.
+ */
+enum speaker_range_reqs {
+ SPEAKER_BASS_REDIRECT = 0x15,
+ SPEAKER_BASS_REDIRECT_XOVER_FREQ = 0x16,
+ /* Between 0x16-0x1a are the X-Bass reqs. */
+ SPEAKER_FULL_RANGE_FRONT_L_R = 0x1a,
+ SPEAKER_FULL_RANGE_CENTER_LFE = 0x1b,
+ SPEAKER_FULL_RANGE_REAR_L_R = 0x1c,
+ SPEAKER_FULL_RANGE_SURROUND_L_R = 0x1d,
+ SPEAKER_BASS_REDIRECT_SUB_GAIN = 0x1e,
+};
+
/*
* Definitions for the DSP req's to handle speaker tuning. These all belong to
* module ID 0x96, the output effects module.
@@ -1100,6 +1120,7 @@ struct ca0132_spec {
unsigned char in_enum_val;
unsigned char out_enum_val;
unsigned char channel_cfg_val;
+ unsigned char speaker_range_val[2];
unsigned char mic_boost_enum_val;
unsigned char smart_volume_setting;
long fx_ctl_val[EFFECT_LEVEL_SLIDERS];
@@ -4259,6 +4280,50 @@ static void ae5_mmio_select_out(struct hda_codec *codec)
ae5_ca0113_output_presets[spec->cur_out_type].vals[i]);
}

+static int ca0132_alt_set_full_range_speaker(struct hda_codec *codec)
+{
+ struct ca0132_spec *spec = codec->spec;
+ unsigned int tmp;
+ int err;
+
+ /* 2.0/4.0 setup has no LFE channel, so setting full-range does nothing. */
+ if (spec->channel_cfg_val == SPEAKER_CHANNELS_4_0
+ || spec->channel_cfg_val == SPEAKER_CHANNELS_2_0)
+ return 0;
+
+ /* Set front L/R full range. Zero for full-range, one for redirection. */
+ tmp = spec->speaker_range_val[0] ? FLOAT_ZERO : FLOAT_ONE;
+ err = dspio_set_uint_param(codec, 0x96,
+ SPEAKER_FULL_RANGE_FRONT_L_R, tmp);
+ if (err < 0)
+ return err;
+
+ /* When setting full-range rear, both rear and center/lfe are set. */
+ tmp = spec->speaker_range_val[1] ? FLOAT_ZERO : FLOAT_ONE;
+ err = dspio_set_uint_param(codec, 0x96,
+ SPEAKER_FULL_RANGE_CENTER_LFE, tmp);
+ if (err < 0)
+ return err;
+
+ err = dspio_set_uint_param(codec, 0x96,
+ SPEAKER_FULL_RANGE_REAR_L_R, tmp);
+ if (err < 0)
+ return err;
+
+ /*
+ * Only the AE series cards set this value when setting full-range,
+ * and it's always 1.0f.
+ */
+ if (ca0132_quirk(spec) == QUIRK_AE5) {
+ err = dspio_set_uint_param(codec, 0x96,
+ SPEAKER_FULL_RANGE_SURROUND_L_R, FLOAT_ONE);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
/*
* These are the commands needed to setup output on each of the different card
* types.
@@ -4539,6 +4604,9 @@ static int ca0132_alt_select_out(struct hda_codec *codec)
goto exit;
}

+ if (spec->cur_out_type == SURROUND_OUT)
+ err = ca0132_alt_set_full_range_speaker(codec);
+
exit:
snd_hda_power_down_pm(codec);

@@ -5269,6 +5337,7 @@ static int ca0132_alt_xbass_xover_slider_ctl_get(struct snd_kcontrol *kcontrol,
long *valp = ucontrol->value.integer.value;

*valp = spec->xbass_xover_freq;
+
return 0;
}

@@ -5894,6 +5963,11 @@ static int ca0132_switch_get(struct snd_kcontrol *kcontrol,
return 0;
}

+ if (nid == SPEAKER_FULL_RANGE_FRONT || nid == SPEAKER_FULL_RANGE_REAR) {
+ *valp = spec->speaker_range_val[nid - SPEAKER_FULL_RANGE_FRONT];
+ return 0;
+ }
+
return 0;
}

@@ -5972,6 +6046,14 @@ static int ca0132_switch_put(struct snd_kcontrol *kcontrol,
goto exit;
}

+ if (nid == SPEAKER_FULL_RANGE_FRONT || nid == SPEAKER_FULL_RANGE_REAR) {
+ spec->speaker_range_val[nid - SPEAKER_FULL_RANGE_FRONT] = *valp;
+ if (spec->cur_out_type == SURROUND_OUT)
+ ca0132_alt_set_full_range_speaker(codec);
+
+ changed = 0;
+ }
+
exit:
snd_hda_power_down(codec);
return changed;
@@ -6329,6 +6411,31 @@ static int ca0132_alt_add_speaker_channel_cfg_enum(struct hda_codec *codec)
snd_ctl_new1(&knew, codec));
}

+/*
+ * Full range front stereo and rear surround switches. When these are set to
+ * full range, the lower frequencies from these channels are no longer
+ * redirected to the LFE channel.
+ */
+static int ca0132_alt_add_front_full_range_switch(struct hda_codec *codec)
+{
+ struct snd_kcontrol_new knew =
+ CA0132_CODEC_MUTE_MONO("Output: Full-Range Front Playback Switch",
+ SPEAKER_FULL_RANGE_FRONT, 1, HDA_OUTPUT);
+
+ return snd_hda_ctl_add(codec, SPEAKER_FULL_RANGE_FRONT,
+ snd_ctl_new1(&knew, codec));
+}
+
+static int ca0132_alt_add_rear_full_range_switch(struct hda_codec *codec)
+{
+ struct snd_kcontrol_new knew =
+ CA0132_CODEC_MUTE_MONO("Output: Full-Range Rear Playback Switch",
+ SPEAKER_FULL_RANGE_REAR, 1, HDA_OUTPUT);
+
+ return snd_hda_ctl_add(codec, SPEAKER_FULL_RANGE_REAR,
+ snd_ctl_new1(&knew, codec));
+}
+
/*
* Create an Input Source enumerated control for the alternate ca0132 codecs
* because the front microphone has no auto-detect, and Line-in has to be set
@@ -6636,6 +6743,12 @@ static int ca0132_build_controls(struct hda_codec *codec)
if (err < 0)
return err;
err = ca0132_alt_add_speaker_channel_cfg_enum(codec);
+ if (err < 0)
+ return err;
+ err = ca0132_alt_add_front_full_range_switch(codec);
+ if (err < 0)
+ return err;
+ err = ca0132_alt_add_rear_full_range_switch(codec);
if (err < 0)
return err;
err = ca0132_alt_add_mic_boost_enum(codec);
@@ -7982,6 +8095,10 @@ static void ca0132_init_chip(struct hda_codec *codec)
* ca0132 codecs. Also sets x-bass crossover frequency to 80hz.
*/
if (ca0132_use_alt_controls(spec)) {
+ /* Set speakers to default to full range. */
+ spec->speaker_range_val[0] = 1;
+ spec->speaker_range_val[1] = 1;
+
spec->xbass_xover_freq = 8;
for (i = 0; i < EFFECT_LEVEL_SLIDERS; i++)
spec->fx_ctl_val[i] = effect_slider_defaults[i];
--
2.20.1
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