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[220.128.132.142]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7f66e12698asm8514367b3a.22.2025.12.15.00.14.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Dec 2025 00:14:42 -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] ALSA: hda/cm9825: Add new project GENE_TWL7 for AAEON Date: Mon, 15 Dec 2025 16:14:21 +0800 Message-ID: <20251215081422.3771-1-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 | 315 ++++++++++++++++++++++++++++++++++++-- 1 file changed, 303 insertions(+), 12 deletions(-) diff --git a/sound/hda/codecs/cm9825.c b/sound/hda/codecs/cm9825.c index 5c474ce44348..d92b3df582af 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 @@ -42,6 +48,8 @@ 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_linein_work; + struct delayed_work unsol_lineout_work; struct delayed_work unsol_hp_work; int quirk; }; @@ -80,10 +88,8 @@ static const struct hda_verb cm9825_std_d0_verbs[] =3D { {0x43, CM9825_VERB_SET_OCP, 0x33}, /* OTP set */ {0x43, CM9825_VERB_SET_GAD, 0x07}, /* ADC -3db */ {0x43, CM9825_VERB_SET_TMOD, 0x26}, /* Class D clk */ - {0x3C, AC_VERB_SET_AMP_GAIN_MUTE | - AC_AMP_SET_OUTPUT | AC_AMP_SET_RIGHT, 0x2d}, /* Gain set */ - {0x3C, AC_VERB_SET_AMP_GAIN_MUTE | - AC_AMP_SET_OUTPUT | AC_AMP_SET_LEFT, 0x2d}, /* Gain set */ + {0x3c, AC_VERB_SET_AMP_GAIN_MUTE | 0xa0, 0x2d}, /* Gain set */ + {0x3c, AC_VERB_SET_AMP_GAIN_MUTE | 0x90, 0x2d}, /* Gain set */ {0x43, CM9825_VERB_SET_HPF_1, 0x40}, /* HPF set */ {0x43, CM9825_VERB_SET_HPF_2, 0x40}, /* HPF set */ {} @@ -111,6 +117,72 @@ 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}, + {} +}; + +/* + * Enable CLK/ADC to start recording. + */ +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_unsol_hp_delayed(struct work_struct *work) { struct cmi_spec *spec =3D @@ -162,6 +234,94 @@ static void hp_callback(struct hda_codec *codec, struc= t hda_jack_callback *cb) schedule_delayed_work(&spec->unsol_hp_work, msecs_to_jiffies(200)); } =20 +static void cm9825_unsol_linein_delayed(struct work_struct *work) +{ + struct cmi_spec *spec =3D + container_of(to_delayed_work(work), struct cmi_spec, + unsol_linein_work); + struct hda_jack_tbl *jack; + + hda_nid_t linein_pin =3D spec->gen.autocfg.inputs[1].pin; + + bool linein_jack_plugin =3D false; + + linein_jack_plugin =3D snd_hda_jack_detect(spec->codec, linein_pin); + + codec_dbg(spec->codec, + "%s, lineout_jack_plugin %d, linein_pin 0x%X, line%d\n", + __func__, (int)linein_jack_plugin, linein_pin, __LINE__); + + jack =3D snd_hda_jack_tbl_get(spec->codec, linein_pin); + + if (jack) { + jack->block_report =3D 0; + snd_hda_jack_report_sync(spec->codec); + } +} + +static void linein_callback(struct hda_codec *codec, + struct hda_jack_callback *cb) +{ + struct cmi_spec *spec =3D codec->spec; + struct hda_jack_tbl *tbl; + + /* Delay enabling the line, to let the linein-detection + * state machine run. + */ + + codec_dbg(codec, "%s, cb->nid 0x%X, line%d\n", __func__, + (int)cb->nid, __LINE__); + + tbl =3D snd_hda_jack_tbl_get(codec, cb->nid); + if (tbl) + tbl->block_report =3D 1; + schedule_delayed_work(&spec->unsol_linein_work, msecs_to_jiffies(200)); +} + +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); + struct hda_jack_tbl *jack; + + hda_nid_t lineout_pin =3D spec->gen.autocfg.line_out_pins[0]; + + bool lineout_jack_plugin =3D false; + + lineout_jack_plugin =3D snd_hda_jack_detect(spec->codec, lineout_pin); + + codec_dbg(spec->codec, + "%s, lineout_jack_plugin %d, lineout_pin 0x%X, line%d\n", + __func__, (int)lineout_jack_plugin, lineout_pin, __LINE__); + + jack =3D snd_hda_jack_tbl_get(spec->codec, lineout_pin); + + if (jack) { + jack->block_report =3D 0; + snd_hda_jack_report_sync(spec->codec); + } +} + +static void lineout_callback(struct hda_codec *codec, + struct hda_jack_callback *cb) +{ + struct cmi_spec *spec =3D codec->spec; + struct hda_jack_tbl *tbl; + + /* Delay enabling the line, to let the linein-detection + * state machine run. + */ + + codec_dbg(codec, "%s, cb->nid 0x%X, line%d\n", __func__, + (int)cb->nid, __LINE__); + + tbl =3D snd_hda_jack_tbl_get(codec, cb->nid); + if (tbl) + tbl->block_report =3D 1; + schedule_delayed_work(&spec->unsol_lineout_work, msecs_to_jiffies(200)); +} + static void cm9825_setup_unsol(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; @@ -171,6 +331,44 @@ static void cm9825_setup_unsol(struct hda_codec *codec) snd_hda_jack_detect_enable_callback(codec, hp_pin, hp_callback); } =20 +static void cm9825_gene_twl7_setup_unsol(struct hda_codec *codec) +{ + struct cmi_spec *spec =3D codec->spec; + + hda_nid_t lineout_pin =3D spec->gen.autocfg.line_out_pins[0]; + + hda_nid_t lineint_pin =3D spec->gen.autocfg.inputs[0].pin; + + codec_dbg(codec, "%s, lineout_pin 0x%X, lineint_pin 0x%X, line%d\n", + __func__, lineout_pin, lineint_pin, __LINE__); + + snd_hda_jack_detect_enable_callback(codec, lineout_pin, + lineout_callback); + snd_hda_jack_detect_enable_callback(codec, lineint_pin, + linein_callback); +} + +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; + } +} + static int cm9825_init(struct hda_codec *codec) { snd_hda_gen_init(codec); @@ -179,26 +377,61 @@ static int cm9825_init(struct hda_codec *codec) return 0; } =20 -static void cm9825_remove(struct hda_codec *codec) +static void cm9825_cm_std_remove(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; =20 cancel_delayed_work_sync(&spec->unsol_hp_work); +} + +static void cm9825_gene_twl7_remove(struct hda_codec *codec) +{ + struct cmi_spec *spec =3D codec->spec; + + cancel_delayed_work_sync(&spec->unsol_linein_work); + cancel_delayed_work_sync(&spec->unsol_lineout_work); +} + +static void cm9825_remove(struct hda_codec *codec) +{ + if (codec->core.subsystem_id =3D=3D QUIRK_CM_STD) + cm9825_cm_std_remove(codec); + else if (codec->core.subsystem_id =3D=3D QUIRK_GENE_TWL7_SSID) + cm9825_gene_twl7_remove(codec); + snd_hda_gen_remove(codec); } =20 -static int cm9825_suspend(struct hda_codec *codec) +static void cm9825_cm_std_suspend(struct hda_codec *codec) { struct cmi_spec *spec =3D codec->spec; =20 cancel_delayed_work_sync(&spec->unsol_hp_work); +} + +static void cm9825_gene_twl7_suspend(struct hda_codec *codec) +{ + struct cmi_spec *spec =3D codec->spec; + + cancel_delayed_work_sync(&spec->unsol_linein_work); + cancel_delayed_work_sync(&spec->unsol_lineout_work); +} + +static int cm9825_suspend(struct hda_codec *codec) +{ + struct cmi_spec *spec =3D codec->spec; + + if (codec->core.subsystem_id =3D=3D QUIRK_CM_STD) + cm9825_cm_std_suspend(codec); + else if (codec->core.subsystem_id =3D=3D QUIRK_GENE_TWL7_SSID) + cm9825_gene_twl7_suspend(codec); =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; @@ -213,7 +446,7 @@ static int cm9825_resume(struct hda_codec *codec) =20 msleep(150); /* for depop noise */ =20 - snd_hda_codec_init(codec); + snd_hda_sequence_write(codec, spec->chip_d0_verbs); =20 hp_pin =3D spec->gen.autocfg.hp_pins[0]; hp_jack_plugin =3D snd_hda_jack_detect(spec->codec, hp_pin); @@ -232,6 +465,18 @@ 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_sequence_write(codec, spec->chip_d0_verbs); + snd_hda_regmap_sync(codec); hda_call_check_power_status(codec, 0x01); =20 @@ -242,13 +487,16 @@ 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; + unsigned int val =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 +506,51 @@ 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 + switch (codec->core.subsystem_id) { + case QUIRK_CM_STD: + snd_hda_codec_set_name(codec, "CM9825 STD"); + INIT_DELAYED_WORK(&spec->unsol_hp_work, + cm9825_unsol_hp_delayed); + 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; + cm9825_setup_unsol(codec); + break; + case QUIRK_GENE_TWL7_SSID: + snd_hda_codec_set_name(codec, "CM9825 GENE_TWL7"); + INIT_DELAYED_WORK(&spec->unsol_linein_work, + cm9825_unsol_linein_delayed); + INIT_DELAYED_WORK(&spec->unsol_lineout_work, + cm9825_unsol_lineout_delayed); + spec->gen.hp_mic =3D 0; + cfg->line_outs =3D 1; + cfg->line_out_pins[0] =3D 0x36; + cfg->line_out_type =3D AUTO_PIN_LINE_OUT; + cfg->num_inputs =3D 2; + cfg->inputs[0].pin =3D 0x3b; + cfg->inputs[0].type =3D AUTO_PIN_LINE_IN; + cfg->inputs[1].pin =3D 0x37; + cfg->inputs[1].type =3D AUTO_PIN_MIC; + cfg->inputs[1].is_headphone_mic =3D 1; + 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; + snd_hda_codec_set_pincfg(codec, 0x37, 0x24A70100); + cm9825_gene_twl7_setup_unsol(codec); + break; + default: + err =3D -ENXIO; + break; + } + + if (err < 0) + goto error; + + /* Support OMTP Jack */ + val =3D snd_hda_codec_read(codec, 0x46, 0, 0xfec, 0x0); + snd_hda_codec_write(codec, 0x46, 0, 0x7ef, (val >> 24) & 0x7f); + snd_hda_sequence_write(codec, spec->chip_d0_verbs); =20 err =3D snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); @@ -267,8 +560,6 @@ static int cm9825_probe(struct hda_codec *codec, const = struct hda_device_id *id) if (err < 0) goto error; =20 - cm9825_setup_unsol(codec); - return 0; =20 error: --=20 2.43.0