1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * HD audio codec driver for Senary HDA audio codec
4 *
5 * Initially based on conexant.c
6 */
7
8 #include <linux/init.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/module.h>
12 #include <sound/core.h>
13 #include <sound/jack.h>
14
15 #include <sound/hda_codec.h>
16 #include "hda_local.h"
17 #include "hda_auto_parser.h"
18 #include "hda_beep.h"
19 #include "hda_jack.h"
20 #include "generic.h"
21
22 /* GPIO node ID */
23 #define SENARY_GPIO_NODE 0x01
24
25 struct senary_spec {
26 struct hda_gen_spec gen;
27
28 /* extra EAPD pins */
29 unsigned int num_eapds;
30 hda_nid_t eapds[4];
31 hda_nid_t mute_led_eapd;
32
33 unsigned int parse_flags; /* flag for snd_hda_parse_pin_defcfg() */
34
35 int mute_led_polarity;
36 unsigned int gpio_led;
37 unsigned int gpio_mute_led_mask;
38 unsigned int gpio_mic_led_mask;
39 };
40
41 #ifdef CONFIG_SND_HDA_INPUT_BEEP
42 /* additional beep mixers; private_value will be overwritten */
43 static const struct snd_kcontrol_new senary_beep_mixer[] = {
44 HDA_CODEC_VOLUME_MONO("Beep Playback Volume", 0, 1, 0, HDA_OUTPUT),
45 HDA_CODEC_MUTE_BEEP_MONO("Beep Playback Switch", 0, 1, 0, HDA_OUTPUT),
46 };
47
set_beep_amp(struct senary_spec * spec,hda_nid_t nid,int idx,int dir)48 static int set_beep_amp(struct senary_spec *spec, hda_nid_t nid,
49 int idx, int dir)
50 {
51 struct snd_kcontrol_new *knew;
52 unsigned int beep_amp = HDA_COMPOSE_AMP_VAL(nid, 1, idx, dir);
53 int i;
54
55 spec->gen.beep_nid = nid;
56 for (i = 0; i < ARRAY_SIZE(senary_beep_mixer); i++) {
57 knew = snd_hda_gen_add_kctl(&spec->gen, NULL,
58 &senary_beep_mixer[i]);
59 if (!knew)
60 return -ENOMEM;
61 knew->private_value = beep_amp;
62 }
63 return 0;
64 }
65
senary_auto_parse_beep(struct hda_codec * codec)66 static int senary_auto_parse_beep(struct hda_codec *codec)
67 {
68 struct senary_spec *spec = codec->spec;
69 hda_nid_t nid;
70
71 for_each_hda_codec_node(nid, codec)
72 if ((get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_BEEP) &&
73 (get_wcaps(codec, nid) & (AC_WCAP_OUT_AMP | AC_WCAP_AMP_OVRD)))
74 return set_beep_amp(spec, nid, 0, HDA_OUTPUT);
75 return 0;
76 }
77 #else
78 #define senary_auto_parse_beep(codec) 0
79 #endif
80
81 /* parse EAPDs */
senary_auto_parse_eapd(struct hda_codec * codec)82 static void senary_auto_parse_eapd(struct hda_codec *codec)
83 {
84 struct senary_spec *spec = codec->spec;
85 hda_nid_t nid;
86
87 for_each_hda_codec_node(nid, codec) {
88 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
89 continue;
90 if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD))
91 continue;
92 spec->eapds[spec->num_eapds++] = nid;
93 if (spec->num_eapds >= ARRAY_SIZE(spec->eapds))
94 break;
95 }
96 }
97
senary_auto_turn_eapd(struct hda_codec * codec,int num_pins,const hda_nid_t * pins,bool on)98 static void senary_auto_turn_eapd(struct hda_codec *codec, int num_pins,
99 const hda_nid_t *pins, bool on)
100 {
101 int i;
102
103 for (i = 0; i < num_pins; i++) {
104 if (snd_hda_query_pin_caps(codec, pins[i]) & AC_PINCAP_EAPD)
105 snd_hda_codec_write(codec, pins[i], 0,
106 AC_VERB_SET_EAPD_BTLENABLE,
107 on ? 0x02 : 0);
108 }
109 }
110
111 /* turn on/off EAPD according to Master switch */
senary_auto_vmaster_hook(void * private_data,int enabled)112 static void senary_auto_vmaster_hook(void *private_data, int enabled)
113 {
114 struct hda_codec *codec = private_data;
115 struct senary_spec *spec = codec->spec;
116
117 senary_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, enabled);
118 }
119
senary_init_gpio_led(struct hda_codec * codec)120 static void senary_init_gpio_led(struct hda_codec *codec)
121 {
122 struct senary_spec *spec = codec->spec;
123 unsigned int mask = spec->gpio_mute_led_mask | spec->gpio_mic_led_mask;
124
125 if (mask) {
126 snd_hda_codec_write(codec, SENARY_GPIO_NODE, 0, AC_VERB_SET_GPIO_MASK,
127 mask);
128 snd_hda_codec_write(codec, SENARY_GPIO_NODE, 0, AC_VERB_SET_GPIO_DIRECTION,
129 mask);
130 snd_hda_codec_write(codec, SENARY_GPIO_NODE, 0, AC_VERB_SET_GPIO_DATA,
131 spec->gpio_led);
132 }
133 }
134
senary_init(struct hda_codec * codec)135 static int senary_init(struct hda_codec *codec)
136 {
137 snd_hda_gen_init(codec);
138 senary_init_gpio_led(codec);
139 snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
140
141 return 0;
142 }
143
senary_shutdown(struct hda_codec * codec)144 static void senary_shutdown(struct hda_codec *codec)
145 {
146 struct senary_spec *spec = codec->spec;
147
148 /* Turn the problematic codec into D3 to avoid spurious noises
149 * from the internal speaker during (and after) reboot
150 */
151 senary_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, false);
152 }
153
senary_remove(struct hda_codec * codec)154 static void senary_remove(struct hda_codec *codec)
155 {
156 senary_shutdown(codec);
157 snd_hda_gen_remove(codec);
158 }
159
senary_suspend(struct hda_codec * codec)160 static int senary_suspend(struct hda_codec *codec)
161 {
162 senary_shutdown(codec);
163 return 0;
164 }
165
senary_probe(struct hda_codec * codec,const struct hda_device_id * id)166 static int senary_probe(struct hda_codec *codec, const struct hda_device_id *id)
167 {
168 struct senary_spec *spec;
169 int err;
170
171 codec_info(codec, "%s: BIOS auto-probing.\n", codec->core.chip_name);
172
173 spec = kzalloc_obj(*spec);
174 if (!spec)
175 return -ENOMEM;
176 snd_hda_gen_spec_init(&spec->gen);
177 codec->spec = spec;
178
179 senary_auto_parse_eapd(codec);
180 spec->gen.own_eapd_ctl = 1;
181
182 if (!spec->gen.vmaster_mute.hook)
183 spec->gen.vmaster_mute.hook = senary_auto_vmaster_hook;
184
185 snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
186
187 err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL,
188 spec->parse_flags);
189 if (err < 0)
190 goto error;
191
192 err = senary_auto_parse_beep(codec);
193 if (err < 0)
194 goto error;
195
196 err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg);
197 if (err < 0)
198 goto error;
199
200 /* Some laptops with Senary chips show stalls in S3 resume,
201 * which falls into the single-cmd mode.
202 * Better to make reset, then.
203 */
204 if (!codec->bus->core.sync_write) {
205 codec_info(codec,
206 "Enable sync_write for stable communication\n");
207 codec->bus->core.sync_write = 1;
208 codec->bus->allow_bus_reset = 1;
209 }
210
211 snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);
212
213 return 0;
214
215 error:
216 senary_remove(codec);
217 return err;
218 }
219
220 static const struct hda_codec_ops senary_codec_ops = {
221 .probe = senary_probe,
222 .remove = senary_remove,
223 .build_controls = snd_hda_gen_build_controls,
224 .build_pcms = snd_hda_gen_build_pcms,
225 .init = senary_init,
226 .unsol_event = snd_hda_jack_unsol_event,
227 .suspend = senary_suspend,
228 .check_power_status = snd_hda_gen_check_power_status,
229 .stream_pm = snd_hda_gen_stream_pm,
230 };
231
232 /*
233 */
234
235 static const struct hda_device_id snd_hda_id_senary[] = {
236 HDA_CODEC_ID(0x1fa86186, "SN6186"),
237 {} /* terminator */
238 };
239 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_senary);
240
241 MODULE_LICENSE("GPL");
242 MODULE_DESCRIPTION("Senarytech HD-audio codec");
243
244 static struct hda_codec_driver senary_driver = {
245 .id = snd_hda_id_senary,
246 .ops = &senary_codec_ops,
247 };
248
249 module_hda_codec_driver(senary_driver);
250