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ALSA: hda/cm9825: Add IBP support for DFI

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The IBP project is an DFI platform with a fixed audio
configuration consisting of headset(headphone and mic-in).
The audio routing and pin assignments are defined according to
the board-level hardware design and are not intended to be
dynamically changed.

Signed-off-by: Leo Tsai <antivirus621@gmail.com>
Link: https://patch.msgid.link/20260708035552.44429-1-antivirus621@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Leo Tsai 2026-07-08 11:55:52 +08:00 committed by Takashi Iwai
parent ae1f30f4bd
commit 75c4027e74
1 changed files with 142 additions and 6 deletions
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148
sound/hda/codecs/cm9825.c
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@ -15,7 +15,8 @@
enum {
QUIRK_CM_STD = 0x0,
QUIRK_GENE_TWL7_SSID = 0x160dc000
QUIRK_GENE_TWL7_SSID = 0x160dc000,
QUIRK_IBP_SSID = 0x15bd3275
};
/* CM9825 Offset Definitions */
@ -40,13 +41,19 @@ enum {
#define CM9825_VERB_SET_GAD 0x7b4
#define CM9825_VERB_SET_TMOD 0x7b5
#define CM9825_VERB_SET_SNR 0x7b6
#define CM9825_VERB_SET_OMTP 0x7ef
#define CM9825_VERB_READ_OMTP 0xfec
struct cmi_spec {
struct hda_gen_spec gen;
const struct hda_verb *chip_d0_verbs;
const struct hda_verb *chip_d3_verbs;
const struct hda_verb *chip_playback_start_verbs;
const struct hda_verb *chip_playback_stop_verbs;
const struct hda_verb *chip_hp_present_verbs;
const struct hda_verb *chip_hp_remove_verbs;
const struct hda_verb *chip_lineout_present_verbs;
const struct hda_verb *chip_lineout_remove_verbs;
struct hda_codec *codec;
struct delayed_work unsol_inputs_work;
struct delayed_work unsol_lineout_work;
@ -193,6 +200,94 @@ static const struct hda_verb cm9825_gene_twl7_playback_stop_verbs[] = {
{}
};
/*
* To save power, AD/CLK is turned off.
*/
static const struct hda_verb cm9825_ibp_d3_verbs[] = {
{0x43, CM9825_VERB_SET_D2S, 0x62},
{0x43, CM9825_VERB_SET_PLL, 0x01},
{0x43, CM9825_VERB_SET_NEG, 0xc2},
{0x43, CM9825_VERB_SET_ADCL, 0x00},
{0x43, CM9825_VERB_SET_DACL, 0x02},
{0x43, CM9825_VERB_SET_VNEG, 0x50},
{0x43, CM9825_VERB_SET_MBIAS, 0x00},
{0x43, CM9825_VERB_SET_PDNEG, 0x04},
{0x43, CM9825_VERB_SET_CDALR, 0xf6},
{0x43, CM9825_VERB_SET_OTP, 0xcd},
{}
};
/*
* D0 configuration: enable PLL/CLK/ADC/DAC and optimize performance
*/
static const struct hda_verb cm9825_ibp_d0_verbs[] = {
{0x34, AC_VERB_SET_EAPD_BTLENABLE, 0x02},
{0x43, CM9825_VERB_SET_SNR, 0x38},
{0x43, CM9825_VERB_SET_PLL, 0x00},
{0x43, CM9825_VERB_SET_ADCL, 0x00},
{0x43, CM9825_VERB_SET_DACL, 0x02},
{0x43, CM9825_VERB_SET_MBIAS, 0x00},
{0x43, CM9825_VERB_SET_VNEG, 0x56},
{0x43, CM9825_VERB_SET_D2S, 0x62},
{0x43, CM9825_VERB_SET_DACTRL, 0x00},
{0x43, CM9825_VERB_SET_PDNEG, 0x0c},
{0x43, CM9825_VERB_SET_CDALR, 0xf4},
{0x43, CM9825_VERB_SET_OTP, 0xcd},
{0x43, CM9825_VERB_SET_MTCBA, 0x61},
{0x43, CM9825_VERB_SET_OCP, 0x33},
{0x43, CM9825_VERB_SET_GAD, 0x07},
{0x43, CM9825_VERB_SET_TMOD, 0x26},
{0x3c, AC_VERB_SET_AMP_GAIN_MUTE | 0xa0, 0x2d},
{0x3c, AC_VERB_SET_AMP_GAIN_MUTE | 0x90, 0x2d},
{0x43, CM9825_VERB_SET_HPF_1, 0x40},
{0x43, CM9825_VERB_SET_HPF_2, 0x40},
{}
};
/*
* Enable mbias, ADC.
*/
static const struct hda_verb cm9825_ibp_lineout_present_verbs[] = {
{0x43, CM9825_VERB_SET_ADCL, 0x8c},
{0x43, CM9825_VERB_SET_MBIAS, 0x10},
{}
};
/*
* Disable mbias, ADC.
*/
static const struct hda_verb cm9825_ibp_lineout_remove_verbs[] = {
{0x43, CM9825_VERB_SET_ADCL, 0x00},
{0x43, CM9825_VERB_SET_MBIAS, 0x00},
{}
};
/*
* Turn on the DAC (widget NID 0x43) in the playback path by writing
* a sequence of vendor-specific verbs.
*/
static const struct hda_verb cm9825_ibp_playback_start_verbs[] = {
{0x43, CM9825_VERB_SET_DACL, 0xaa},
{0x43, CM9825_VERB_SET_D2S, 0xf2},
{0x43, CM9825_VERB_SET_VDO, 0xc4},
{0x43, CM9825_VERB_SET_SNR, 0x30},
{}
};
/*
* Shut down the playback path. The order differs slightly from the
* enable sequence, likely to avoid audible pop noise when powering
* down the output stage.
*/
static const struct hda_verb cm9825_ibp_playback_stop_verbs[] = {
{0x43, CM9825_VERB_SET_VDO, 0xc0},
{0x43, CM9825_VERB_SET_DACL, 0x02},
{0x43, CM9825_VERB_SET_D2S, 0x62},
{0x43, CM9825_VERB_SET_VDO, 0x80},
{0x43, CM9825_VERB_SET_SNR, 0x38},
{}
};
static void cm9825_update_jk_plug_status(struct hda_codec *codec, hda_nid_t nid)
{
struct cmi_spec *spec = codec->spec;
@ -232,6 +327,23 @@ static void cm9825_unsol_lineout_delayed(struct work_struct *work)
struct cmi_spec *spec =
container_of(to_delayed_work(work), struct cmi_spec,
unsol_lineout_work);
hda_nid_t line_out_pin = spec->gen.autocfg.line_out_pins[0];
bool line_out_jack_plugin = false;
line_out_jack_plugin = snd_hda_jack_detect(spec->codec, line_out_pin);
codec_dbg(spec->codec, "lineout_jack_plugin %d, lineout_pin 0x%X\n",
(int)line_out_jack_plugin, line_out_pin);
if (!line_out_jack_plugin) {
/* Jack plugout */
snd_hda_sequence_write(spec->codec,
spec->chip_lineout_remove_verbs);
} else {
/* Jack plugin */
snd_hda_sequence_write(spec->codec,
spec->chip_lineout_present_verbs);
}
cm9825_update_jk_plug_status(spec->codec,
spec->gen.autocfg.line_out_pins[0]);
@ -362,12 +474,10 @@ static void cm9825_playback_pcm_hook(struct hda_pcm_stream *hinfo,
switch (action) {
case HDA_GEN_PCM_ACT_PREPARE:
snd_hda_sequence_write(spec->codec,
cm9825_gene_twl7_playback_start_verbs);
snd_hda_sequence_write(codec, spec->chip_playback_start_verbs);
break;
case HDA_GEN_PCM_ACT_CLEANUP:
snd_hda_sequence_write(spec->codec,
cm9825_gene_twl7_playback_stop_verbs);
snd_hda_sequence_write(codec, spec->chip_playback_stop_verbs);
break;
default:
return;
@ -471,7 +581,8 @@ static int cm9825_resume(struct hda_codec *codec)
if (codec->core.subsystem_id == QUIRK_CM_STD)
cm9825_cm_std_resume(codec);
else if (codec->core.subsystem_id == QUIRK_GENE_TWL7_SSID) {
else if (codec->core.subsystem_id == QUIRK_GENE_TWL7_SSID ||
codec->core.subsystem_id == QUIRK_IBP_SSID) {
snd_hda_codec_init(codec);
snd_hda_sequence_write(codec, spec->chip_d0_verbs);
}
@ -487,6 +598,7 @@ static int cm9825_probe(struct hda_codec *codec, const struct hda_device_id *id)
struct cmi_spec *spec;
struct auto_pin_cfg *cfg;
int err = 0;
unsigned int val;
spec = kzalloc_obj(*spec);
if (spec == NULL)
@ -523,9 +635,33 @@ static int cm9825_probe(struct hda_codec *codec, const struct hda_device_id *id)
spec->chip_d0_verbs = cm9825_gene_twl7_d0_verbs;
spec->chip_d3_verbs = cm9825_gene_twl7_d3_verbs;
spec->gen.pcm_playback_hook = cm9825_playback_pcm_hook;
spec->chip_playback_start_verbs =
cm9825_gene_twl7_playback_start_verbs;
spec->chip_playback_stop_verbs =
cm9825_gene_twl7_playback_stop_verbs;
/* Internal fixed device, Rear, Mic-in, 3.5mm */
snd_hda_codec_set_pincfg(codec, 0x37, 0x24A70100);
break;
case QUIRK_IBP_SSID:
snd_hda_codec_set_name(codec, "CM9825 IBP");
spec->chip_d0_verbs = cm9825_ibp_d0_verbs;
spec->chip_d3_verbs = cm9825_ibp_d3_verbs;
spec->gen.pcm_playback_hook = cm9825_playback_pcm_hook;
spec->chip_lineout_present_verbs =
cm9825_ibp_lineout_present_verbs;
spec->chip_lineout_remove_verbs =
cm9825_ibp_lineout_remove_verbs;
spec->chip_playback_start_verbs =
cm9825_ibp_playback_start_verbs;
spec->chip_playback_stop_verbs = cm9825_ibp_playback_stop_verbs;
/* OMTP */
val =
snd_hda_codec_read(codec, 0x46, 0, CM9825_VERB_READ_OMTP,
0x0);
snd_hda_codec_write(codec, 0x46, 0, CM9825_VERB_SET_OMTP,
(val >> 24) & 0x7f);
break;
default:
err = -ENXIO;
break;