1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Universal Interface for Intel High Definition Audio Codec
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * HD audio interface patch for C-Media CMI9880
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun #include <linux/slab.h>
12*4882a593Smuzhiyun #include <linux/module.h>
13*4882a593Smuzhiyun #include <sound/core.h>
14*4882a593Smuzhiyun #include <sound/hda_codec.h>
15*4882a593Smuzhiyun #include "hda_local.h"
16*4882a593Smuzhiyun #include "hda_auto_parser.h"
17*4882a593Smuzhiyun #include "hda_jack.h"
18*4882a593Smuzhiyun #include "hda_generic.h"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun struct cmi_spec {
21*4882a593Smuzhiyun struct hda_gen_spec gen;
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun /*
25*4882a593Smuzhiyun * stuff for auto-parser
26*4882a593Smuzhiyun */
27*4882a593Smuzhiyun static const struct hda_codec_ops cmi_auto_patch_ops = {
28*4882a593Smuzhiyun .build_controls = snd_hda_gen_build_controls,
29*4882a593Smuzhiyun .build_pcms = snd_hda_gen_build_pcms,
30*4882a593Smuzhiyun .init = snd_hda_gen_init,
31*4882a593Smuzhiyun .free = snd_hda_gen_free,
32*4882a593Smuzhiyun .unsol_event = snd_hda_jack_unsol_event,
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun
patch_cmi9880(struct hda_codec * codec)35*4882a593Smuzhiyun static int patch_cmi9880(struct hda_codec *codec)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun struct cmi_spec *spec;
38*4882a593Smuzhiyun struct auto_pin_cfg *cfg;
39*4882a593Smuzhiyun int err;
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun spec = kzalloc(sizeof(*spec), GFP_KERNEL);
42*4882a593Smuzhiyun if (spec == NULL)
43*4882a593Smuzhiyun return -ENOMEM;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun codec->spec = spec;
46*4882a593Smuzhiyun codec->patch_ops = cmi_auto_patch_ops;
47*4882a593Smuzhiyun cfg = &spec->gen.autocfg;
48*4882a593Smuzhiyun snd_hda_gen_spec_init(&spec->gen);
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
51*4882a593Smuzhiyun if (err < 0)
52*4882a593Smuzhiyun goto error;
53*4882a593Smuzhiyun err = snd_hda_gen_parse_auto_config(codec, cfg);
54*4882a593Smuzhiyun if (err < 0)
55*4882a593Smuzhiyun goto error;
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun return 0;
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun error:
60*4882a593Smuzhiyun snd_hda_gen_free(codec);
61*4882a593Smuzhiyun return err;
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
patch_cmi8888(struct hda_codec * codec)64*4882a593Smuzhiyun static int patch_cmi8888(struct hda_codec *codec)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun struct cmi_spec *spec;
67*4882a593Smuzhiyun struct auto_pin_cfg *cfg;
68*4882a593Smuzhiyun int err;
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun spec = kzalloc(sizeof(*spec), GFP_KERNEL);
71*4882a593Smuzhiyun if (!spec)
72*4882a593Smuzhiyun return -ENOMEM;
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun codec->spec = spec;
75*4882a593Smuzhiyun codec->patch_ops = cmi_auto_patch_ops;
76*4882a593Smuzhiyun cfg = &spec->gen.autocfg;
77*4882a593Smuzhiyun snd_hda_gen_spec_init(&spec->gen);
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun /* mask NID 0x10 from the playback volume selection;
80*4882a593Smuzhiyun * it's a headphone boost volume handled manually below
81*4882a593Smuzhiyun */
82*4882a593Smuzhiyun spec->gen.out_vol_mask = (1ULL << 0x10);
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
85*4882a593Smuzhiyun if (err < 0)
86*4882a593Smuzhiyun goto error;
87*4882a593Smuzhiyun err = snd_hda_gen_parse_auto_config(codec, cfg);
88*4882a593Smuzhiyun if (err < 0)
89*4882a593Smuzhiyun goto error;
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
92*4882a593Smuzhiyun AC_JACK_HP_OUT) {
93*4882a593Smuzhiyun static const struct snd_kcontrol_new amp_kctl =
94*4882a593Smuzhiyun HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
95*4882a593Smuzhiyun 0x10, 0, HDA_OUTPUT);
96*4882a593Smuzhiyun if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &_kctl)) {
97*4882a593Smuzhiyun err = -ENOMEM;
98*4882a593Smuzhiyun goto error;
99*4882a593Smuzhiyun }
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun return 0;
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun error:
105*4882a593Smuzhiyun snd_hda_gen_free(codec);
106*4882a593Smuzhiyun return err;
107*4882a593Smuzhiyun }
108*4882a593Smuzhiyun
109*4882a593Smuzhiyun /*
110*4882a593Smuzhiyun * patch entries
111*4882a593Smuzhiyun */
112*4882a593Smuzhiyun static const struct hda_device_id snd_hda_id_cmedia[] = {
113*4882a593Smuzhiyun HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888),
114*4882a593Smuzhiyun HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880),
115*4882a593Smuzhiyun HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880),
116*4882a593Smuzhiyun {} /* terminator */
117*4882a593Smuzhiyun };
118*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
119*4882a593Smuzhiyun
120*4882a593Smuzhiyun MODULE_LICENSE("GPL");
121*4882a593Smuzhiyun MODULE_DESCRIPTION("C-Media HD-audio codec");
122*4882a593Smuzhiyun
123*4882a593Smuzhiyun static struct hda_codec_driver cmedia_driver = {
124*4882a593Smuzhiyun .id = snd_hda_id_cmedia,
125*4882a593Smuzhiyun };
126*4882a593Smuzhiyun
127*4882a593Smuzhiyun module_hda_codec_driver(cmedia_driver);
128