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linux/sound/pci/hda/patch_cmedia.c
Leo Tsai 0ccbc99e05 ALSA: hda: Add a new CM9825 standard driver 
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@gmail.com>
Link: https://patch.msgid.link/20240910065542.6534-1-antivirus621@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-09-11 08:29:03 +02:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Universal Interface for Intel High Definition Audio Codec
*
* HD audio interface patch for C-Media CMI9880
*
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
*/
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#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_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 */
{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
*/
static const struct hda_codec_ops cmi_auto_patch_ops = {
.build_controls = snd_hda_gen_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
.init = snd_hda_gen_init,
.free = snd_hda_gen_free,
.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;
struct auto_pin_cfg *cfg;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
return -ENOMEM;
codec->spec = spec;
codec->patch_ops = cmi_auto_patch_ops;
cfg = &spec->gen.autocfg;
snd_hda_gen_spec_init(&spec->gen);
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;
return 0;
error:
snd_hda_gen_free(codec);
return err;
}
static int patch_cmi8888(struct hda_codec *codec)
{
struct cmi_spec *spec;
struct auto_pin_cfg *cfg;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
codec->spec = spec;
codec->patch_ops = cmi_auto_patch_ops;
cfg = &spec->gen.autocfg;
snd_hda_gen_spec_init(&spec->gen);
/* mask NID 0x10 from the playback volume selection;
* it's a headphone boost volume handled manually below
*/
spec->gen.out_vol_mask = (1ULL << 0x10);
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;
if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
AC_JACK_HP_OUT) {
static const struct snd_kcontrol_new amp_kctl =
HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
0x10, 0, HDA_OUTPUT);
if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &amp_kctl)) {
err = -ENOMEM;
goto error;
}
}
return 0;
error:
snd_hda_gen_free(codec);
return err;
}
/*
* patch entries
*/
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);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("C-Media HD-audio codec");
static struct hda_codec_driver cmedia_driver = {
.id = snd_hda_id_cmedia,
};
module_hda_codec_driver(cmedia_driver);
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