[PATCH] [PATCH v2]ALSA: hda: Add a new CM9825 standard driver.

From: Leo Tsai
Date: Mon Sep 09 2024 - 23:04:21 EST

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The CM9825 is a High Definition Audio Codec.
There are 2 independent stereo outputs, one of the stereo
outputs is cap-less with HP AMP, and the other is line out to
connect the active speaker. The inputs can be Line-in and MIC-in.

Signed-off-by: Leo Tsai <antivirus621@xxxxxxxxx>
---
sound/pci/hda/patch_cmedia.c | 267 +++++++++++++++++++++++++++++++++++
1 file changed, 267 insertions(+)

diff --git a/sound/pci/hda/patch_cmedia.c b/sound/pci/hda/patch_cmedia.c
index 2ddd33f8dd6c..92f8d3682e84 100644
--- a/sound/pci/hda/patch_cmedia.c
+++ b/sound/pci/hda/patch_cmedia.c
@@ -17,10 +17,229 @@
#include "hda_jack.h"
#include "hda_generic.h"

+/* CM9825 Offset Definitions */
+
+#define CM9825_VERB_SET_HPF_1 0x781
+#define CM9825_VERB_SET_HPF_2 0x785
+#define CM9825_VERB_SET_PLL 0x7a0
+#define CM9825_VERB_SET_NEG 0x7a1
+#define CM9825_VERB_SET_ADCL 0x7a2
+#define CM9825_VERB_SET_DACL 0x7a3
+#define CM9825_VERB_SET_MBIAS 0x7a4
+#define CM9825_VERB_SET_VNEG 0x7a8
+#define CM9825_VERB_SET_D2S 0x7a9
+#define CM9825_VERB_SET_DACTRL 0x7aa
+#define CM9825_VERB_SET_PDNEG 0x7ac
+#define CM9825_VERB_SET_VDO 0x7ad
+#define CM9825_VERB_SET_CDALR 0x7b0
+#define CM9825_VERB_SET_MTCBA 0x7b1
+#define CM9825_VERB_SET_OTP 0x7b2
+#define CM9825_VERB_SET_OCP 0x7b3
+#define CM9825_VERB_SET_GAD 0x7b4
+#define CM9825_VERB_SET_TMOD 0x7b5
+#define CM9825_VERB_SET_SNR 0x7b6
+
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_hp_present_verbs;
+ const struct hda_verb *chip_hp_remove_verbs;
+ struct hda_codec *codec;
+ struct delayed_work unsol_hp_work;
+ int quirk;
+};
+
+static const struct hda_verb cm9825_std_d3_verbs[] = {
+ /* chip sleep verbs */
+ {0x43, CM9825_VERB_SET_D2S, 0x62}, /* depop */
+ {0x43, CM9825_VERB_SET_PLL, 0x01}, /* PLL set */
+ {0x43, CM9825_VERB_SET_NEG, 0xc2}, /* NEG set */
+ {0x43, CM9825_VERB_SET_ADCL, 0x00}, /* ADC */
+ {0x43, CM9825_VERB_SET_DACL, 0x02}, /* DACL */
+ {0x43, CM9825_VERB_SET_VNEG, 0x50}, /* VOL NEG */
+ {0x43, CM9825_VERB_SET_MBIAS, 0x00}, /* MBIAS */
+ {0x43, CM9825_VERB_SET_PDNEG, 0x04}, /* SEL OSC */
+ {0x43, CM9825_VERB_SET_CDALR, 0xf6}, /* Class D */
+ {0x43, CM9825_VERB_SET_OTP, 0xcd}, /* OTP set */
+ {}
+};
+
+static const struct hda_verb cm9825_std_d0_verbs[] = {
+ /* chip init verbs */
+ {0x34, AC_VERB_SET_EAPD_BTLENABLE, 0x02}, /* EAPD set */
+ {0x43, CM9825_VERB_SET_SNR, 0x30}, /* SNR set */
+ {0x43, CM9825_VERB_SET_PLL, 0x00}, /* PLL set */
+ {0x43, CM9825_VERB_SET_ADCL, 0x00}, /* ADC */
+ {0x43, CM9825_VERB_SET_DACL, 0x02}, /* DACL */
+ {0x43, CM9825_VERB_SET_MBIAS, 0x00}, /* MBIAS */
+ {0x43, CM9825_VERB_SET_VNEG, 0x56}, /* VOL NEG */
+ {0x43, CM9825_VERB_SET_D2S, 0x62}, /* depop */
+ {0x43, CM9825_VERB_SET_DACTRL, 0x00}, /* DACTRL set */
+ {0x43, CM9825_VERB_SET_PDNEG, 0x0c}, /* SEL OSC */
+ {0x43, CM9825_VERB_SET_VDO, 0x80}, /* VDO set */
+ {0x43, CM9825_VERB_SET_CDALR, 0xf4}, /* Class D */
+ {0x43, CM9825_VERB_SET_OTP, 0xcd}, /* OTP set */
+ {0x43, CM9825_VERB_SET_MTCBA, 0x61}, /* SR set */
+ {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_RIGHT, 0x2d}, /* Gain set */
+ {0x3C, AC_VERB_SET_AMP_GAIN_MUTE | AC_AMP_SET_LEFT, 0x2d}, /* Gain set */
+ {0x43, CM9825_VERB_SET_HPF_1, 0x40}, /* HPF set */
+ {0x43, CM9825_VERB_SET_HPF_2, 0x40}, /* HPF set */
+ {}
};

+static const struct hda_verb cm9825_hp_present_verbs[] = {
+ {0x42, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x00}, /* PIN off */
+ {0x43, CM9825_VERB_SET_ADCL, 0x88}, /* ADC */
+ {0x43, CM9825_VERB_SET_DACL, 0xaa}, /* DACL */
+ {0x43, CM9825_VERB_SET_MBIAS, 0x10}, /* MBIAS */
+ {0x43, CM9825_VERB_SET_D2S, 0xf2}, /* depop */
+ {0x43, CM9825_VERB_SET_DACTRL, 0x00}, /* DACTRL set */
+ {0x43, CM9825_VERB_SET_VDO, 0xc4}, /* VDO set */
+ {}
+};
+
+static const struct hda_verb cm9825_hp_remove_verbs[] = {
+ {0x43, CM9825_VERB_SET_ADCL, 0x00}, /* ADC */
+ {0x43, CM9825_VERB_SET_DACL, 0x56}, /* DACL */
+ {0x43, CM9825_VERB_SET_MBIAS, 0x00}, /* MBIAS */
+ {0x43, CM9825_VERB_SET_D2S, 0x62}, /* depop */
+ {0x43, CM9825_VERB_SET_DACTRL, 0xe0}, /* DACTRL set */
+ {0x43, CM9825_VERB_SET_VDO, 0x80}, /* VDO set */
+ {0x42, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40}, /* PIN on */
+ {}
+};
+
+static void cm9825_unsol_hp_delayed(struct work_struct *work)
+{
+ struct cmi_spec *spec =
+ container_of(to_delayed_work(work), struct cmi_spec, unsol_hp_work);
+ struct hda_jack_tbl *jack;
+ hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ bool hp_jack_plugin = false;
+ int err = 0;
+
+ hp_jack_plugin = snd_hda_jack_detect(spec->codec, hp_pin);
+
+ codec_dbg(spec->codec, "hp_jack_plugin %d, hp_pin 0x%X\n",
+ (int)hp_jack_plugin, hp_pin);
+
+ if (!hp_jack_plugin) {
+ err =
+ snd_hda_codec_write(spec->codec, 0x42, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40);
+ if (err)
+ codec_dbg(spec->codec, "codec_write err %d\n", err);
+
+ snd_hda_sequence_write(spec->codec, spec->chip_hp_remove_verbs);
+ } else {
+ snd_hda_sequence_write(spec->codec,
+ spec->chip_hp_present_verbs);
+ }
+
+ jack = snd_hda_jack_tbl_get(spec->codec, hp_pin);
+ if (jack) {
+ jack->block_report = 0;
+ snd_hda_jack_report_sync(spec->codec);
+ }
+}
+
+static void hp_callback(struct hda_codec *codec, struct hda_jack_callback *cb)
+{
+ struct cmi_spec *spec = codec->spec;
+ struct hda_jack_tbl *tbl;
+
+ /* Delay enabling the HP amp, to let the mic-detection
+ * state machine run.
+ */
+
+ codec_dbg(spec->codec, "cb->nid 0x%X\n", cb->nid);
+
+ tbl = snd_hda_jack_tbl_get(codec, cb->nid);
+ if (tbl)
+ tbl->block_report = 1;
+ schedule_delayed_work(&spec->unsol_hp_work, msecs_to_jiffies(200));
+}
+
+static void cm9825_setup_unsol(struct hda_codec *codec)
+{
+ struct cmi_spec *spec = codec->spec;
+
+ hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+
+ snd_hda_jack_detect_enable_callback(codec, hp_pin, hp_callback);
+}
+
+static int cm9825_init(struct hda_codec *codec)
+{
+ snd_hda_gen_init(codec);
+ snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
+
+ return 0;
+}
+
+static void cm9825_free(struct hda_codec *codec)
+{
+ struct cmi_spec *spec = codec->spec;
+
+ cancel_delayed_work_sync(&spec->unsol_hp_work);
+ snd_hda_gen_free(codec);
+}
+
+static int cm9825_suspend(struct hda_codec *codec)
+{
+ struct cmi_spec *spec = codec->spec;
+
+ cancel_delayed_work_sync(&spec->unsol_hp_work);
+
+ snd_hda_sequence_write(codec, spec->chip_d3_verbs);
+
+ return 0;
+}
+
+static int cm9825_resume(struct hda_codec *codec)
+{
+ struct cmi_spec *spec = codec->spec;
+ hda_nid_t hp_pin = 0;
+ bool hp_jack_plugin = false;
+ int err;
+
+ err =
+ snd_hda_codec_write(spec->codec, 0x42, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, 0x00);
+ if (err)
+ codec_dbg(codec, "codec_write err %d\n", err);
+
+ msleep(150); /* for depop noise */
+
+ codec->patch_ops.init(codec);
+
+ hp_pin = spec->gen.autocfg.hp_pins[0];
+ hp_jack_plugin = snd_hda_jack_detect(spec->codec, hp_pin);
+
+ codec_dbg(spec->codec, "hp_jack_plugin %d, hp_pin 0x%X\n",
+ (int)hp_jack_plugin, hp_pin);
+
+ if (!hp_jack_plugin) {
+ err =
+ snd_hda_codec_write(spec->codec, 0x42, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40);
+
+ if (err)
+ codec_dbg(codec, "codec_write err %d\n", err);
+
+ snd_hda_sequence_write(codec, cm9825_hp_remove_verbs);
+ }
+
+ snd_hda_regmap_sync(codec);
+ hda_call_check_power_status(codec, 0x01);
+
+ return 0;
+}
+
/*
* stuff for auto-parser
*/
@@ -32,6 +251,53 @@ static const struct hda_codec_ops cmi_auto_patch_ops = {
.unsol_event = snd_hda_jack_unsol_event,
};

+static int patch_cm9825(struct hda_codec *codec)
+{
+ struct cmi_spec *spec;
+ struct auto_pin_cfg *cfg;
+ int err;
+
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (spec == NULL)
+ return -ENOMEM;
+
+ INIT_DELAYED_WORK(&spec->unsol_hp_work, cm9825_unsol_hp_delayed);
+ codec->spec = spec;
+ spec->codec = codec;
+ codec->patch_ops = cmi_auto_patch_ops;
+ codec->patch_ops.init = cm9825_init;
+ codec->patch_ops.suspend = cm9825_suspend;
+ codec->patch_ops.resume = cm9825_resume;
+ codec->patch_ops.free = cm9825_free;
+ codec->patch_ops.check_power_status = snd_hda_gen_check_power_status;
+ cfg = &spec->gen.autocfg;
+ snd_hda_gen_spec_init(&spec->gen);
+ spec->chip_d0_verbs = cm9825_std_d0_verbs;
+ spec->chip_d3_verbs = cm9825_std_d3_verbs;
+ spec->chip_hp_present_verbs = cm9825_hp_present_verbs;
+ spec->chip_hp_remove_verbs = cm9825_hp_remove_verbs;
+
+ snd_hda_sequence_write(codec, spec->chip_d0_verbs);
+
+ err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
+ if (err < 0)
+ goto error;
+ err = snd_hda_gen_parse_auto_config(codec, cfg);
+ if (err < 0)
+ goto error;
+
+ cm9825_setup_unsol(codec);
+
+ return 0;
+
+ error:
+ cm9825_free(codec);
+
+ codec_info(codec, "Enter err %d\n", err);
+
+ return err;
+}
+
static int patch_cmi9880(struct hda_codec *codec)
{
struct cmi_spec *spec;
@@ -113,6 +379,7 @@ static const struct hda_device_id snd_hda_id_cmedia[] = {
HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888),
HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880),
HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880),
+ HDA_CODEC_ENTRY(0x13f69825, "CM9825", patch_cm9825),
{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
--
2.34.1

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