xref: /openbmc/linux/sound/pci/hda/hda_generic.h (revision 11788d9b)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Generic BIOS auto-parser helper functions for HD-audio
4  *
5  * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
6  */
7 
8 #ifndef __SOUND_HDA_GENERIC_H
9 #define __SOUND_HDA_GENERIC_H
10 
11 #include <linux/leds.h>
12 
13 /* table entry for multi-io paths */
14 struct hda_multi_io {
15 	hda_nid_t pin;		/* multi-io widget pin NID */
16 	hda_nid_t dac;		/* DAC to be connected */
17 	unsigned int ctl_in;	/* cached input-pin control value */
18 };
19 
20 /* Widget connection path
21  *
22  * For output, stored in the order of DAC -> ... -> pin,
23  * for input, pin -> ... -> ADC.
24  *
25  * idx[i] contains the source index number to select on of the widget path[i];
26  * e.g. idx[1] is the index of the DAC (path[0]) selected by path[1] widget
27  * multi[] indicates whether it's a selector widget with multi-connectors
28  * (i.e. the connection selection is mandatory)
29  * vol_ctl and mute_ctl contains the NIDs for the assigned mixers
30  */
31 
32 #define MAX_NID_PATH_DEPTH	10
33 
34 enum {
35 	NID_PATH_VOL_CTL,
36 	NID_PATH_MUTE_CTL,
37 	NID_PATH_BOOST_CTL,
38 	NID_PATH_NUM_CTLS
39 };
40 
41 struct nid_path {
42 	int depth;
43 	hda_nid_t path[MAX_NID_PATH_DEPTH];
44 	unsigned char idx[MAX_NID_PATH_DEPTH];
45 	unsigned char multi[MAX_NID_PATH_DEPTH];
46 	unsigned int ctls[NID_PATH_NUM_CTLS]; /* NID_PATH_XXX_CTL */
47 	bool active:1;		/* activated by driver */
48 	bool pin_enabled:1;	/* pins are enabled */
49 	bool pin_fixed:1;	/* path with fixed pin */
50 	bool stream_enabled:1;	/* stream is active */
51 };
52 
53 /* mic/line-in auto switching entry */
54 
55 #define MAX_AUTO_MIC_PINS	3
56 
57 struct automic_entry {
58 	hda_nid_t pin;		/* pin */
59 	int idx;		/* imux index, -1 = invalid */
60 	unsigned int attr;	/* pin attribute (INPUT_PIN_ATTR_*) */
61 };
62 
63 /* active stream id */
64 enum { STREAM_MULTI_OUT, STREAM_INDEP_HP };
65 
66 /* PCM hook action */
67 enum {
68 	HDA_GEN_PCM_ACT_OPEN,
69 	HDA_GEN_PCM_ACT_PREPARE,
70 	HDA_GEN_PCM_ACT_CLEANUP,
71 	HDA_GEN_PCM_ACT_CLOSE,
72 };
73 
74 /* DAC assignment badness table */
75 struct badness_table {
76 	int no_primary_dac;	/* no primary DAC */
77 	int no_dac;		/* no secondary DACs */
78 	int shared_primary;	/* primary DAC is shared with main output */
79 	int shared_surr;	/* secondary DAC shared with main or primary */
80 	int shared_clfe;	/* third DAC shared with main or primary */
81 	int shared_surr_main;	/* secondary DAC sahred with main/DAC0 */
82 };
83 
84 extern const struct badness_table hda_main_out_badness;
85 extern const struct badness_table hda_extra_out_badness;
86 
87 struct hda_micmute_hook {
88 	unsigned int led_mode;
89 	unsigned int capture;
90 	unsigned int led_value;
91 	void (*old_hook)(struct hda_codec *codec,
92 			 struct snd_kcontrol *kcontrol,
93 			 struct snd_ctl_elem_value *ucontrol);
94 };
95 
96 struct hda_gen_spec {
97 	char stream_name_analog[32];	/* analog PCM stream */
98 	const struct hda_pcm_stream *stream_analog_playback;
99 	const struct hda_pcm_stream *stream_analog_capture;
100 
101 	char stream_name_alt_analog[32]; /* alternative analog PCM stream */
102 	const struct hda_pcm_stream *stream_analog_alt_playback;
103 	const struct hda_pcm_stream *stream_analog_alt_capture;
104 
105 	char stream_name_digital[32];	/* digital PCM stream */
106 	const struct hda_pcm_stream *stream_digital_playback;
107 	const struct hda_pcm_stream *stream_digital_capture;
108 
109 	/* PCM */
110 	unsigned int active_streams;
111 	struct mutex pcm_mutex;
112 
113 	/* playback */
114 	struct hda_multi_out multiout;	/* playback set-up
115 					 * max_channels, dacs must be set
116 					 * dig_out_nid and hp_nid are optional
117 					 */
118 	hda_nid_t alt_dac_nid;
119 	hda_nid_t follower_dig_outs[3];	/* optional - for auto-parsing */
120 	int dig_out_type;
121 
122 	/* capture */
123 	unsigned int num_adc_nids;
124 	hda_nid_t adc_nids[AUTO_CFG_MAX_INS];
125 	hda_nid_t dig_in_nid;		/* digital-in NID; optional */
126 	hda_nid_t mixer_nid;		/* analog-mixer NID */
127 	hda_nid_t mixer_merge_nid;	/* aamix merge-point NID (optional) */
128 	const char *input_labels[HDA_MAX_NUM_INPUTS];
129 	int input_label_idxs[HDA_MAX_NUM_INPUTS];
130 
131 	/* capture setup for dynamic dual-adc switch */
132 	hda_nid_t cur_adc;
133 	unsigned int cur_adc_stream_tag;
134 	unsigned int cur_adc_format;
135 
136 	/* capture source */
137 	struct hda_input_mux input_mux;
138 	unsigned int cur_mux[3];
139 
140 	/* channel model */
141 	/* min_channel_count contains the minimum channel count for primary
142 	 * outputs.  When multi_ios is set, the channels can be configured
143 	 * between min_channel_count and (min_channel_count + multi_ios * 2).
144 	 *
145 	 * ext_channel_count contains the current channel count of the primary
146 	 * out.  This varies in the range above.
147 	 *
148 	 * Meanwhile, const_channel_count is the channel count for all outputs
149 	 * including headphone and speakers.  It's a constant value, and the
150 	 * PCM is set up as max(ext_channel_count, const_channel_count).
151 	 */
152 	int min_channel_count;		/* min. channel count for primary out */
153 	int ext_channel_count;		/* current channel count for primary */
154 	int const_channel_count;	/* channel count for all */
155 
156 	/* PCM information */
157 	struct hda_pcm *pcm_rec[3];	/* used in build_pcms() */
158 
159 	/* dynamic controls, init_verbs and input_mux */
160 	struct auto_pin_cfg autocfg;
161 	struct snd_array kctls;
162 	hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];
163 	hda_nid_t imux_pins[HDA_MAX_NUM_INPUTS];
164 	unsigned int dyn_adc_idx[HDA_MAX_NUM_INPUTS];
165 	/* shared hp/mic */
166 	hda_nid_t shared_mic_vref_pin;
167 	hda_nid_t hp_mic_pin;
168 	int hp_mic_mux_idx;
169 
170 	/* DAC/ADC lists */
171 	int num_all_dacs;
172 	hda_nid_t all_dacs[16];
173 	int num_all_adcs;
174 	hda_nid_t all_adcs[AUTO_CFG_MAX_INS];
175 
176 	/* path list */
177 	struct snd_array paths;
178 
179 	/* path indices */
180 	int out_paths[AUTO_CFG_MAX_OUTS];
181 	int hp_paths[AUTO_CFG_MAX_OUTS];
182 	int speaker_paths[AUTO_CFG_MAX_OUTS];
183 	int aamix_out_paths[3];
184 	int digout_paths[AUTO_CFG_MAX_OUTS];
185 	int input_paths[HDA_MAX_NUM_INPUTS][AUTO_CFG_MAX_INS];
186 	int loopback_paths[HDA_MAX_NUM_INPUTS];
187 	int loopback_merge_path;
188 	int digin_path;
189 
190 	/* auto-mic stuff */
191 	int am_num_entries;
192 	struct automic_entry am_entry[MAX_AUTO_MIC_PINS];
193 
194 	/* for pin sensing */
195 	/* current status; set in hda_geneic.c */
196 	unsigned int hp_jack_present:1;
197 	unsigned int line_jack_present:1;
198 	unsigned int speaker_muted:1; /* current status of speaker mute */
199 	unsigned int line_out_muted:1; /* current status of LO mute */
200 
201 	/* internal states of automute / autoswitch behavior */
202 	unsigned int auto_mic:1;
203 	unsigned int automute_speaker:1; /* automute speaker outputs */
204 	unsigned int automute_lo:1; /* automute LO outputs */
205 
206 	/* capabilities detected by parser */
207 	unsigned int detect_hp:1;	/* Headphone detection enabled */
208 	unsigned int detect_lo:1;	/* Line-out detection enabled */
209 	unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */
210 	unsigned int automute_lo_possible:1;	  /* there are line outs and HP */
211 
212 	/* additional parameters set by codec drivers */
213 	unsigned int master_mute:1;	/* master mute over all */
214 	unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */
215 	unsigned int line_in_auto_switch:1; /* allow line-in auto switch */
216 	unsigned int auto_mute_via_amp:1; /* auto-mute via amp instead of pinctl */
217 
218 	/* parser behavior flags; set before snd_hda_gen_parse_auto_config() */
219 	unsigned int suppress_auto_mute:1; /* suppress input jack auto mute */
220 	unsigned int suppress_auto_mic:1; /* suppress input jack auto switch */
221 
222 	/* other parse behavior flags */
223 	unsigned int need_dac_fix:1; /* need to limit DACs for multi channels */
224 	unsigned int hp_mic:1; /* Allow HP as a mic-in */
225 	unsigned int suppress_hp_mic_detect:1; /* Don't detect HP/mic */
226 	unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
227 	unsigned int no_multi_io:1; /* Don't try multi I/O config */
228 	unsigned int multi_cap_vol:1; /* allow multiple capture xxx volumes */
229 	unsigned int inv_dmic_split:1; /* inverted dmic w/a for conexant */
230 	unsigned int own_eapd_ctl:1; /* set EAPD by own function */
231 	unsigned int keep_eapd_on:1; /* don't turn off EAPD automatically */
232 	unsigned int vmaster_mute_enum:1; /* add vmaster mute mode enum */
233 	unsigned int indep_hp:1; /* independent HP supported */
234 	unsigned int prefer_hp_amp:1; /* enable HP amp for speaker if any */
235 	unsigned int add_stereo_mix_input:2; /* add aamix as a capture src */
236 	unsigned int add_jack_modes:1; /* add i/o jack mode enum ctls */
237 	unsigned int power_down_unused:1; /* power down unused widgets */
238 	unsigned int dac_min_mute:1; /* minimal = mute for DACs */
239 	unsigned int suppress_vmaster:1; /* don't create vmaster kctls */
240 
241 	/* other internal flags */
242 	unsigned int no_analog:1; /* digital I/O only */
243 	unsigned int dyn_adc_switch:1; /* switch ADCs (for ALC275) */
244 	unsigned int indep_hp_enabled:1; /* independent HP enabled */
245 	unsigned int have_aamix_ctl:1;
246 	unsigned int hp_mic_jack_modes:1;
247 	unsigned int skip_verbs:1; /* don't apply verbs at snd_hda_gen_init() */
248 
249 	/* additional mute flags (only effective with auto_mute_via_amp=1) */
250 	u64 mute_bits;
251 
252 	/* bitmask for skipping volume controls */
253 	u64 out_vol_mask;
254 
255 	/* badness tables for output path evaluations */
256 	const struct badness_table *main_out_badness;
257 	const struct badness_table *extra_out_badness;
258 
259 	/* preferred pin/DAC pairs; an array of paired NIDs */
260 	const hda_nid_t *preferred_dacs;
261 
262 	/* loopback mixing mode */
263 	bool aamix_mode;
264 
265 	/* digital beep */
266 	hda_nid_t beep_nid;
267 
268 	/* for virtual master */
269 	hda_nid_t vmaster_nid;
270 	unsigned int vmaster_tlv[4];
271 	struct hda_vmaster_mute_hook vmaster_mute;
272 
273 	struct hda_loopback_check loopback;
274 	struct snd_array loopback_list;
275 
276 	/* multi-io */
277 	int multi_ios;
278 	struct hda_multi_io multi_io[4];
279 
280 	/* hooks */
281 	void (*init_hook)(struct hda_codec *codec);
282 	void (*automute_hook)(struct hda_codec *codec);
283 	void (*cap_sync_hook)(struct hda_codec *codec,
284 			      struct snd_kcontrol *kcontrol,
285 			      struct snd_ctl_elem_value *ucontrol);
286 
287 	/* mic mute LED hook; called via cap_sync_hook */
288 	struct hda_micmute_hook micmute_led;
289 
290 	/* PCM hooks */
291 	void (*pcm_playback_hook)(struct hda_pcm_stream *hinfo,
292 				  struct hda_codec *codec,
293 				  struct snd_pcm_substream *substream,
294 				  int action);
295 	void (*pcm_capture_hook)(struct hda_pcm_stream *hinfo,
296 				 struct hda_codec *codec,
297 				 struct snd_pcm_substream *substream,
298 				 int action);
299 
300 	/* automute / autoswitch hooks */
301 	void (*hp_automute_hook)(struct hda_codec *codec,
302 				 struct hda_jack_callback *cb);
303 	void (*line_automute_hook)(struct hda_codec *codec,
304 				   struct hda_jack_callback *cb);
305 	void (*mic_autoswitch_hook)(struct hda_codec *codec,
306 				    struct hda_jack_callback *cb);
307 };
308 
309 /* values for add_stereo_mix_input flag */
310 enum {
311 	HDA_HINT_STEREO_MIX_DISABLE,	/* No stereo mix input */
312 	HDA_HINT_STEREO_MIX_ENABLE,	/* Add stereo mix input */
313 	HDA_HINT_STEREO_MIX_AUTO,	/* Add only if auto-mic is disabled */
314 };
315 
316 int snd_hda_gen_spec_init(struct hda_gen_spec *spec);
317 
318 int snd_hda_gen_init(struct hda_codec *codec);
319 void snd_hda_gen_free(struct hda_codec *codec);
320 
321 int snd_hda_get_path_idx(struct hda_codec *codec, struct nid_path *path);
322 struct nid_path *snd_hda_get_path_from_idx(struct hda_codec *codec, int idx);
323 struct nid_path *
324 snd_hda_add_new_path(struct hda_codec *codec, hda_nid_t from_nid,
325 		     hda_nid_t to_nid, int anchor_nid);
326 void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path,
327 			   bool enable, bool add_aamix);
328 
329 struct snd_kcontrol_new *
330 snd_hda_gen_add_kctl(struct hda_gen_spec *spec, const char *name,
331 		     const struct snd_kcontrol_new *temp);
332 
333 int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
334 				  struct auto_pin_cfg *cfg);
335 int snd_hda_gen_build_controls(struct hda_codec *codec);
336 int snd_hda_gen_build_pcms(struct hda_codec *codec);
337 void snd_hda_gen_reboot_notify(struct hda_codec *codec);
338 
339 /* standard jack event callbacks */
340 void snd_hda_gen_hp_automute(struct hda_codec *codec,
341 			     struct hda_jack_callback *jack);
342 void snd_hda_gen_line_automute(struct hda_codec *codec,
343 			       struct hda_jack_callback *jack);
344 void snd_hda_gen_mic_autoswitch(struct hda_codec *codec,
345 				struct hda_jack_callback *jack);
346 void snd_hda_gen_update_outputs(struct hda_codec *codec);
347 
348 #ifdef CONFIG_PM
349 int snd_hda_gen_check_power_status(struct hda_codec *codec, hda_nid_t nid);
350 #endif
351 unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
352 					   hda_nid_t nid,
353 					   unsigned int power_state);
354 void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on);
355 int snd_hda_gen_fix_pin_power(struct hda_codec *codec, hda_nid_t pin);
356 
357 int snd_hda_gen_add_mute_led_cdev(struct hda_codec *codec,
358 				  int (*callback)(struct led_classdev *,
359 						  enum led_brightness));
360 int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
361 				     int (*callback)(struct led_classdev *,
362 						     enum led_brightness));
363 
364 #endif /* __SOUND_HDA_GENERIC_H */
365