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[220.128.132.142]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7fe1456c760sm1271402b3a.56.2025.12.17.21.51.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Dec 2025 21:51:53 -0800 (PST) From: Leo Tsai To: perex@perex.cz, tiwai@suse.com, rf@opensource.cirrus.com Cc: leo.tsai@cmedia.com.tw, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, Leo Tsai Subject: [PATCH] [PATCH v6] ALSA: hda/cm9825: Add GENE_TWL7 support for AAEON Date: Thu, 18 Dec 2025 13:51:36 +0800 Message-ID: <20251218055136.3875-1-antivirus621@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The GENE_TWL7 project is an AAEON platform with a fixed audio configuration consisting of line-out, line-in, 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 --- sound/hda/codecs/cm9825.c | 290 +++++++++++++++++++++++++++++++++++++- 1 file changed, 283 insertions(+), 7 deletions(-) diff --git a/sound/hda/codecs/cm9825.c b/sound/hda/codecs/cm9825.c index 5c474ce44348..52ee431f2e2c 100644 --- a/sound/hda/codecs/cm9825.c +++ b/sound/hda/codecs/cm9825.c @@ -13,6 +13,11 @@ #include "hda_jack.h" #include "generic.h" =20 +enum { + QUIRK_CM_STD =3D 0x0, + QUIRK_GENE_TWL7_SSID =3D 0x160dc000 +}; + /* CM9825 Offset Definitions */ =20 #define CM9825_VERB_SET_HPF_1 0x781 @@ -25,6 +30,7 @@ #define CM9825_VERB_SET_VNEG 0x7a8 #define CM9825_VERB_SET_D2S 0x7a9 #define CM9825_VERB_SET_DACTRL 0x7aa +#define CM9825_VERB_SET_P3BCP 0x7ab #define CM9825_VERB_SET_PDNEG 0x7ac #define CM9825_VERB_SET_VDO 0x7ad #define CM9825_VERB_SET_CDALR 0x7b0 @@ -42,7 +48,12 @@ struct cmi_spec { const struct hda_verb *chip_hp_present_verbs; const struct hda_verb *chip_hp_remove_verbs; struct hda_codec *codec; + struct delayed_work unsol_inputs_work; + struct delayed_work unsol_lineout_work; struct delayed_work unsol_hp_work; + hda_nid_t jd_cap_hp; + hda_nid_t jd_cap_lineout; + hda_nid_t jd_cap_inputs[AUTO_CFG_MAX_INS]; int quirk; }; =20 @@ -111,6 +122,121 @@ static const struct hda_verb cm9825_hp_remove_verbs[]= =3D { {} }; =20 +/* + * To save power, AD/CLK is turned off. + */ +static const struct hda_verb cm9825_gene_twl7_d3_verbs[] =3D { + {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_MBIAS, 0x00}, + {0x43, CM9825_VERB_SET_VNEG, 0x50}, + {0x43, CM9825_VERB_SET_PDNEG, 0x04}, + {0x43, CM9825_VERB_SET_CDALR, 0xf6}, + {0x43, CM9825_VERB_SET_OTP, 0xcd}, + {} +}; + +/* + * These settings are required to properly enable the PLL, clock, ADC and + * DAC paths, and to select the correct analog input routing. Without + * these explicit configurations, the ADC does not start correctly and + * recording does not work reliably on this hardware. + * + * D0 configuration: enable PLL/CLK/ADC/DAC and optimize performance + */ +static const struct hda_verb cm9825_gene_twl7_d0_verbs[] =3D { + {0x34, AC_VERB_SET_EAPD_BTLENABLE, 0x02}, + {0x43, CM9825_VERB_SET_SNR, 0x38}, + {0x43, CM9825_VERB_SET_PLL, 0x00}, + {0x43, CM9825_VERB_SET_ADCL, 0xcf}, + {0x43, CM9825_VERB_SET_DACL, 0xaa}, + {0x43, CM9825_VERB_SET_MBIAS, 0x1c}, + {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}, + {0x43, CM9825_VERB_SET_HPF_1, 0x40}, + {0x43, CM9825_VERB_SET_HPF_2, 0x40}, + {0x40, AC_VERB_SET_CONNECT_SEL, 0x00}, + {0x3d, AC_VERB_SET_CONNECT_SEL, 0x01}, + {0x46, CM9825_VERB_SET_P3BCP, 0x20}, + {} +}; + +/* + * Enable DAC to start playback. + */ +static const struct hda_verb cm9825_gene_twl7_playback_start_verbs[] =3D { + {0x43, CM9825_VERB_SET_D2S, 0xf2}, + {0x43, CM9825_VERB_SET_VDO, 0xd4}, + {0x43, CM9825_VERB_SET_SNR, 0x30}, + {} +}; + +/* + * Disable DAC and enable de-pop noise mechanism. + */ +static const struct hda_verb cm9825_gene_twl7_playback_stop_verbs[] =3D { + {0x43, CM9825_VERB_SET_VDO, 0xc0}, + {0x43, CM9825_VERB_SET_D2S, 0x62}, + {0x43, CM9825_VERB_SET_VDO, 0xd0}, + {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 =3D codec->spec; + bool jack_plugin; + struct hda_jack_tbl *jack; + + jack_plugin =3D snd_hda_jack_detect(spec->codec, nid); + jack =3D snd_hda_jack_tbl_get(spec->codec, nid); + if (jack) { + jack->block_report =3D 0; + snd_hda_jack_report_sync(spec->codec); + } + + codec_dbg(spec->codec, + "%s, jack_plugin %d, nid 0x%X, line%d\n", + __func__, (int)jack_plugin, nid, __LINE__); +} + +static void cm9825_unsol_inputs_delayed(struct work_struct *work) +{ + struct cmi_spec *spec =3D + container_of(to_delayed_work(work), struct cmi_spec, + unsol_inputs_work); + int i; + + for (i =3D 0; i < spec->gen.autocfg.num_inputs; i++) { + if (!spec->jd_cap_inputs[i]) + continue; + + cm9825_update_jk_plug_status(spec->codec, + spec->gen.autocfg.inputs[i].pin); + } +} + +static void cm9825_unsol_lineout_delayed(struct work_struct *work) +{ + struct cmi_spec *spec =3D + container_of(to_delayed_work(work), struct cmi_spec, + unsol_lineout_work); + + cm9825_update_jk_plug_status(spec->codec, + spec->gen.autocfg.line_out_pins[0]); +} + static void cm9825_unsol_hp_delayed(struct work_struct *work) { struct cmi_spec *spec =3D @@ -159,16 +285,93 @@ static void hp_callback(struct hda_codec *codec, stru= ct hda_jack_callback *cb) tbl =3D snd_hda_jack_tbl_get(codec, cb->nid); if (tbl) tbl->block_report =3D 1; - schedule_delayed_work(&spec->unsol_hp_work, msecs_to_jiffies(200)); + + if (cb->nid =3D=3D spec->jd_cap_hp) + schedule_delayed_work(&spec->unsol_hp_work, + msecs_to_jiffies(200)); + else if (cb->nid =3D=3D spec->jd_cap_lineout) + schedule_delayed_work(&spec->unsol_lineout_work, + msecs_to_jiffies(200)); + + for (int i =3D 0; i < spec->gen.autocfg.num_inputs; i++) { + if (cb->nid =3D=3D spec->jd_cap_inputs[i]) + schedule_delayed_work(&spec->unsol_inputs_work, + msecs_to_jiffies(200)); + } } =20 static void cm9825_setup_unsol(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; + int i; =20 hda_nid_t hp_pin =3D spec->gen.autocfg.hp_pins[0]; =20 - snd_hda_jack_detect_enable_callback(codec, hp_pin, hp_callback); + hda_nid_t lineout_pin =3D spec->gen.autocfg.line_out_pins[0]; + + if (hp_pin !=3D 0) { + if (is_jack_detectable(codec, hp_pin)) { + spec->jd_cap_hp =3D hp_pin; + snd_hda_jack_detect_enable_callback(codec, hp_pin, + hp_callback); + } else + spec->jd_cap_hp =3D 0; + } else + spec->jd_cap_hp =3D 0; + + if (lineout_pin !=3D 0) { + if (is_jack_detectable(codec, lineout_pin)) { + spec->jd_cap_lineout =3D lineout_pin; + snd_hda_jack_detect_enable_callback(codec, lineout_pin, + hp_callback); + } else + spec->jd_cap_lineout =3D 0; + } else + spec->jd_cap_lineout =3D 0; + + codec_dbg(codec, + "%s, jd_cap_hp 0x%02X, jd_cap_lineout 0x%02X, line%d\n", + __func__, spec->jd_cap_hp, spec->jd_cap_lineout, __LINE__); + + for (i =3D 0; i < spec->gen.autocfg.num_inputs; i++) { + if (spec->gen.autocfg.inputs[i].pin !=3D 0) { + if (is_jack_detectable + (codec, spec->gen.autocfg.inputs[i].pin)) { + spec->jd_cap_inputs[i] =3D + spec->gen.autocfg.inputs[i].pin; + snd_hda_jack_detect_enable_callback(codec, + spec->gen.autocfg.inputs[i].pin, + hp_callback); + } else + spec->jd_cap_inputs[i] =3D 0; + } else + spec->jd_cap_inputs[i] =3D 0; + + codec_dbg(codec, + "%s, input jd_cap_inputs[%d] 0x%02X, line%d\n", + __func__, i, spec->jd_cap_inputs[i], __LINE__); + } +} + +static void cm9825_playback_pcm_hook(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream, + int action) +{ + struct cmi_spec *spec =3D codec->spec; + + switch (action) { + case HDA_GEN_PCM_ACT_PREPARE: + snd_hda_sequence_write(spec->codec, + cm9825_gene_twl7_playback_start_verbs); + break; + case HDA_GEN_PCM_ACT_CLEANUP: + snd_hda_sequence_write(spec->codec, + cm9825_gene_twl7_playback_stop_verbs); + break; + default: + return; + } } =20 static int cm9825_init(struct hda_codec *codec) @@ -182,23 +385,48 @@ static int cm9825_init(struct hda_codec *codec) static void cm9825_remove(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; + int i; + + if (spec->jd_cap_hp) + cancel_delayed_work_sync(&spec->unsol_hp_work); + + if (spec->jd_cap_lineout) + cancel_delayed_work_sync(&spec->unsol_lineout_work); + + for (i =3D 0; i < spec->gen.autocfg.num_inputs; i++) { + if (spec->jd_cap_inputs[i]) { + cancel_delayed_work_sync(&spec->unsol_inputs_work); + break; + } + } =20 - cancel_delayed_work_sync(&spec->unsol_hp_work); snd_hda_gen_remove(codec); } =20 static int cm9825_suspend(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; + int i; + + if (spec->jd_cap_hp) + cancel_delayed_work_sync(&spec->unsol_hp_work); =20 - cancel_delayed_work_sync(&spec->unsol_hp_work); + if (spec->jd_cap_lineout) + cancel_delayed_work_sync(&spec->unsol_lineout_work); + + for (i =3D 0; i < spec->gen.autocfg.num_inputs; i++) { + if (spec->jd_cap_inputs[i]) { + cancel_delayed_work_sync(&spec->unsol_inputs_work); + break; + } + } =20 snd_hda_sequence_write(codec, spec->chip_d3_verbs); =20 return 0; } =20 -static int cm9825_resume(struct hda_codec *codec) +static int cm9825_cm_std_resume(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; hda_nid_t hp_pin =3D 0; @@ -215,6 +443,8 @@ static int cm9825_resume(struct hda_codec *codec) =20 snd_hda_codec_init(codec); =20 + snd_hda_sequence_write(codec, spec->chip_d0_verbs); + hp_pin =3D spec->gen.autocfg.hp_pins[0]; hp_jack_plugin =3D snd_hda_jack_detect(spec->codec, hp_pin); =20 @@ -232,6 +462,20 @@ static int cm9825_resume(struct hda_codec *codec) snd_hda_sequence_write(codec, cm9825_hp_remove_verbs); } =20 + return 0; +} + +static int cm9825_resume(struct hda_codec *codec) +{ + struct cmi_spec *spec =3D codec->spec; + + if (codec->core.subsystem_id =3D=3D QUIRK_CM_STD) + cm9825_cm_std_resume(codec); + else if (codec->core.subsystem_id =3D=3D QUIRK_GENE_TWL7_SSID) { + snd_hda_codec_init(codec); + snd_hda_sequence_write(codec, spec->chip_d0_verbs); + } + snd_hda_regmap_sync(codec); hda_call_check_power_status(codec, 0x01); =20 @@ -242,13 +486,15 @@ static int cm9825_probe(struct hda_codec *codec, cons= t struct hda_device_id *id) { struct cmi_spec *spec; struct auto_pin_cfg *cfg; - int err; + int err =3D 0; =20 spec =3D kzalloc(sizeof(*spec), GFP_KERNEL); if (spec =3D=3D NULL) return -ENOMEM; =20 - INIT_DELAYED_WORK(&spec->unsol_hp_work, cm9825_unsol_hp_delayed); + codec_dbg(codec, "chip_name: %s, ssid: 0x%X\n", + codec->core.chip_name, codec->core.subsystem_id); + codec->spec =3D spec; spec->codec =3D codec; cfg =3D &spec->gen.autocfg; @@ -258,6 +504,36 @@ static int cm9825_probe(struct hda_codec *codec, const= struct hda_device_id *id) spec->chip_hp_present_verbs =3D cm9825_hp_present_verbs; spec->chip_hp_remove_verbs =3D cm9825_hp_remove_verbs; =20 + INIT_DELAYED_WORK(&spec->unsol_hp_work, cm9825_unsol_hp_delayed); + INIT_DELAYED_WORK(&spec->unsol_inputs_work, + cm9825_unsol_inputs_delayed); + INIT_DELAYED_WORK(&spec->unsol_lineout_work, + cm9825_unsol_lineout_delayed); + + switch (codec->core.subsystem_id) { + case QUIRK_CM_STD: + snd_hda_codec_set_name(codec, "CM9825 STD"); + spec->chip_d0_verbs =3D cm9825_std_d0_verbs; + spec->chip_d3_verbs =3D cm9825_std_d3_verbs; + spec->chip_hp_present_verbs =3D cm9825_hp_present_verbs; + spec->chip_hp_remove_verbs =3D cm9825_hp_remove_verbs; + break; + case QUIRK_GENE_TWL7_SSID: + snd_hda_codec_set_name(codec, "CM9825 GENE_TWL7"); + spec->chip_d0_verbs =3D cm9825_gene_twl7_d0_verbs; + spec->chip_d3_verbs =3D cm9825_gene_twl7_d3_verbs; + spec->gen.pcm_playback_hook =3D cm9825_playback_pcm_hook; + /* Internal fixed device, Rear, Mic-in, 3.5mm */ + snd_hda_codec_set_pincfg(codec, 0x37, 0x24A70100); + break; + default: + err =3D -ENXIO; + break; + } + + if (err < 0) + goto error; + snd_hda_sequence_write(codec, spec->chip_d0_verbs); =20 err =3D snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); --=20 2.43.0