diff options
author | Connor McAdams <conmanx360@gmail.com> | 2020-08-25 16:10:22 -0400 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2020-08-26 10:23:28 +0200 |
commit | 01464a566eed527dbf977e2430afa249c257c008 (patch) | |
tree | 986b3725355534308154b33e8eb19aa5ac0b0aa6 | |
parent | 896e361e82423aed4490f485dc25de1958c724ed (diff) |
ALSA: hda/ca0132 - Add surround channel config control.
Add a surround channel configuration enumeration control. Setting up
different channel configurations allows the DSP to upmix stereo audio
into multi-channel audio, and allows for redirection of bass to a
subwoofer.
Signed-off-by: Connor McAdams <conmanx360@gmail.com>
Link: https://lore.kernel.org/r/20200825201040.30339-4-conmanx360@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r-- | sound/pci/hda/patch_ca0132.c | 110 |
1 files changed, 108 insertions, 2 deletions
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 2e664aeee1c4..1a5fb30b69ab 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -38,6 +38,8 @@ #define FLOAT_ONE 0x3f800000 #define FLOAT_TWO 0x40000000 #define FLOAT_THREE 0x40400000 +#define FLOAT_FIVE 0x40a00000 +#define FLOAT_SIX 0x40c00000 #define FLOAT_EIGHT 0x41000000 #define FLOAT_MINUS_5 0xc0a00000 @@ -143,7 +145,8 @@ enum { MIC_BOOST_ENUM, AE5_HEADPHONE_GAIN_ENUM, AE5_SOUND_FILTER_ENUM, - ZXR_HEADPHONE_GAIN + ZXR_HEADPHONE_GAIN, + SPEAKER_CHANNEL_CFG_ENUM, #define EFFECTS_COUNT (EFFECT_END_NID - EFFECT_START_NID) }; @@ -686,6 +689,39 @@ static const struct ca0132_alt_out_set alt_out_presets[] = { } }; +/* Surround output channel count configuration structures. */ +#define SPEAKER_CHANNEL_CFG_COUNT 5 +enum { + SPEAKER_CHANNELS_2_0, + SPEAKER_CHANNELS_2_1, + SPEAKER_CHANNELS_4_0, + SPEAKER_CHANNELS_4_1, + SPEAKER_CHANNELS_5_1, +}; + +struct ca0132_alt_speaker_channel_cfg { + char *name; + unsigned int val; +}; + +static const struct ca0132_alt_speaker_channel_cfg speaker_channel_cfgs[] = { + { .name = "2.0", + .val = FLOAT_ONE + }, + { .name = "2.1", + .val = FLOAT_TWO + }, + { .name = "4.0", + .val = FLOAT_FIVE + }, + { .name = "4.1", + .val = FLOAT_SIX + }, + { .name = "5.1", + .val = FLOAT_EIGHT + } +}; + /* * DSP volume setting structs. Req 1 is left volume, req 2 is right volume, * and I don't know what the third req is, but it's always zero. I assume it's @@ -1063,6 +1099,7 @@ struct ca0132_spec { /* ca0132_alt control related values */ unsigned char in_enum_val; unsigned char out_enum_val; + unsigned char channel_cfg_val; unsigned char mic_boost_enum_val; unsigned char smart_volume_setting; long fx_ctl_val[EFFECT_LEVEL_SLIDERS]; @@ -4476,7 +4513,8 @@ static int ca0132_alt_select_out(struct hda_codec *codec) snd_hda_set_pin_ctl(codec, spec->out_pins[3], pin_ctl | PIN_OUT); - dspio_set_uint_param(codec, 0x80, 0x04, FLOAT_EIGHT); + tmp = speaker_channel_cfgs[spec->channel_cfg_val].val; + dspio_set_uint_param(codec, 0x80, 0x04, tmp); break; } /* @@ -5582,6 +5620,54 @@ static int ca0132_alt_output_select_put(struct snd_kcontrol *kcontrol, return 1; } +/* Select surround output type: 2.1, 4.0, 4.1, or 5.1. */ +static int ca0132_alt_speaker_channel_cfg_get_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + unsigned int items = SPEAKER_CHANNEL_CFG_COUNT; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = items; + if (uinfo->value.enumerated.item >= items) + uinfo->value.enumerated.item = items - 1; + strcpy(uinfo->value.enumerated.name, + speaker_channel_cfgs[uinfo->value.enumerated.item].name); + return 0; +} + +static int ca0132_alt_speaker_channel_cfg_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct ca0132_spec *spec = codec->spec; + + ucontrol->value.enumerated.item[0] = spec->channel_cfg_val; + return 0; +} + +static int ca0132_alt_speaker_channel_cfg_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct ca0132_spec *spec = codec->spec; + int sel = ucontrol->value.enumerated.item[0]; + unsigned int items = SPEAKER_CHANNEL_CFG_COUNT; + + if (sel >= items) + return 0; + + codec_dbg(codec, "ca0132_alt_speaker_channels: sel=%d, channels=%s\n", + sel, speaker_channel_cfgs[sel].name); + + spec->channel_cfg_val = sel; + + if (spec->out_enum_val == SURROUND_OUT) + ca0132_alt_select_out(codec); + + return 1; +} + /* * Smart Volume output setting control. Three different settings, Normal, * which takes the value from the smart volume slider. The two others, loud @@ -6227,6 +6313,23 @@ static int ca0132_alt_add_output_enum(struct hda_codec *codec) } /* + * Add a control for selecting channel count on speaker output. Setting this + * allows the DSP to do bass redirection and channel upmixing on surround + * configurations. + */ +static int ca0132_alt_add_speaker_channel_cfg_enum(struct hda_codec *codec) +{ + struct snd_kcontrol_new knew = + HDA_CODEC_MUTE_MONO("Surround Channel Config", + SPEAKER_CHANNEL_CFG_ENUM, 1, 0, HDA_OUTPUT); + knew.info = ca0132_alt_speaker_channel_cfg_get_info; + knew.get = ca0132_alt_speaker_channel_cfg_get; + knew.put = ca0132_alt_speaker_channel_cfg_put; + return snd_hda_ctl_add(codec, SPEAKER_CHANNEL_CFG_ENUM, + 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 * somehow. @@ -6532,6 +6635,9 @@ static int ca0132_build_controls(struct hda_codec *codec) err = ca0132_alt_add_output_enum(codec); if (err < 0) return err; + err = ca0132_alt_add_speaker_channel_cfg_enum(codec); + if (err < 0) + return err; err = ca0132_alt_add_mic_boost_enum(codec); if (err < 0) return err; |