377 lines
9.9 KiB
C
377 lines
9.9 KiB
C
/*
|
|
* Jack-detection handling for HD-audio
|
|
*
|
|
* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
* This driver is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/export.h>
|
|
#include <sound/core.h>
|
|
#include <sound/control.h>
|
|
#include <sound/jack.h>
|
|
#include "hda_codec.h"
|
|
#include "hda_local.h"
|
|
#include "hda_auto_parser.h"
|
|
#include "hda_jack.h"
|
|
|
|
bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
if (codec->no_jack_detect)
|
|
return false;
|
|
if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
|
|
return false;
|
|
if (!codec->ignore_misc_bit &&
|
|
(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
|
|
AC_DEFCFG_MISC_NO_PRESENCE))
|
|
return false;
|
|
if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP))
|
|
return false;
|
|
return true;
|
|
}
|
|
EXPORT_SYMBOL_HDA(is_jack_detectable);
|
|
|
|
/* execute pin sense measurement */
|
|
static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
u32 pincap;
|
|
|
|
if (!codec->no_trigger_sense) {
|
|
pincap = snd_hda_query_pin_caps(codec, nid);
|
|
if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
|
|
snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_SET_PIN_SENSE, 0);
|
|
}
|
|
return snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_PIN_SENSE, 0);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_jack_tbl_get - query the jack-table entry for the given NID
|
|
*/
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_jack_tbl *jack = codec->jacktbl.list;
|
|
int i;
|
|
|
|
if (!nid || !jack)
|
|
return NULL;
|
|
for (i = 0; i < codec->jacktbl.used; i++, jack++)
|
|
if (jack->nid == nid)
|
|
return jack;
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_tbl_get);
|
|
|
|
/**
|
|
* snd_hda_jack_tbl_get_from_tag - query the jack-table entry for the given tag
|
|
*/
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag)
|
|
{
|
|
struct hda_jack_tbl *jack = codec->jacktbl.list;
|
|
int i;
|
|
|
|
if (!tag || !jack)
|
|
return NULL;
|
|
for (i = 0; i < codec->jacktbl.used; i++, jack++)
|
|
if (jack->tag == tag)
|
|
return jack;
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_tbl_get_from_tag);
|
|
|
|
/**
|
|
* snd_hda_jack_tbl_new - create a jack-table entry for the given NID
|
|
*/
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid);
|
|
if (jack)
|
|
return jack;
|
|
snd_array_init(&codec->jacktbl, sizeof(*jack), 16);
|
|
jack = snd_array_new(&codec->jacktbl);
|
|
if (!jack)
|
|
return NULL;
|
|
jack->nid = nid;
|
|
jack->jack_dirty = 1;
|
|
jack->tag = codec->jacktbl.used;
|
|
return jack;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_tbl_new);
|
|
|
|
void snd_hda_jack_tbl_clear(struct hda_codec *codec)
|
|
{
|
|
#ifdef CONFIG_SND_HDA_INPUT_JACK
|
|
/* free jack instances manually when clearing/reconfiguring */
|
|
if (!codec->bus->shutdown && codec->jacktbl.list) {
|
|
struct hda_jack_tbl *jack = codec->jacktbl.list;
|
|
int i;
|
|
for (i = 0; i < codec->jacktbl.used; i++, jack++) {
|
|
if (jack->jack)
|
|
snd_device_free(codec->bus->card, jack->jack);
|
|
}
|
|
}
|
|
#endif
|
|
snd_array_free(&codec->jacktbl);
|
|
}
|
|
|
|
/* update the cached value and notification flag if needed */
|
|
static void jack_detect_update(struct hda_codec *codec,
|
|
struct hda_jack_tbl *jack)
|
|
{
|
|
if (jack->jack_dirty || !jack->jack_detect) {
|
|
jack->pin_sense = read_pin_sense(codec, jack->nid);
|
|
jack->jack_dirty = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_set_dirty_all - Mark all the cached as dirty
|
|
*
|
|
* This function sets the dirty flag to all entries of jack table.
|
|
* It's called from the resume path in hda_codec.c.
|
|
*/
|
|
void snd_hda_jack_set_dirty_all(struct hda_codec *codec)
|
|
{
|
|
struct hda_jack_tbl *jack = codec->jacktbl.list;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->jacktbl.used; i++, jack++)
|
|
if (jack->nid)
|
|
jack->jack_dirty = 1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_set_dirty_all);
|
|
|
|
/**
|
|
* snd_hda_pin_sense - execute pin sense measurement
|
|
* @codec: the CODEC to sense
|
|
* @nid: the pin NID to sense
|
|
*
|
|
* Execute necessary pin sense measurement and return its Presence Detect,
|
|
* Impedance, ELD Valid etc. status bits.
|
|
*/
|
|
u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid);
|
|
if (jack) {
|
|
jack_detect_update(codec, jack);
|
|
return jack->pin_sense;
|
|
}
|
|
return read_pin_sense(codec, nid);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_pin_sense);
|
|
|
|
#define get_jack_plug_state(sense) !!(sense & AC_PINSENSE_PRESENCE)
|
|
|
|
/**
|
|
* snd_hda_jack_detect - query pin Presence Detect status
|
|
* @codec: the CODEC to sense
|
|
* @nid: the pin NID to sense
|
|
*
|
|
* Query and return the pin's Presence Detect status.
|
|
*/
|
|
int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
u32 sense = snd_hda_pin_sense(codec, nid);
|
|
return get_jack_plug_state(sense);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_detect);
|
|
|
|
/**
|
|
* snd_hda_jack_detect_enable - enable the jack-detection
|
|
*/
|
|
int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned char action)
|
|
{
|
|
struct hda_jack_tbl *jack = snd_hda_jack_tbl_new(codec, nid);
|
|
if (!jack)
|
|
return -ENOMEM;
|
|
if (jack->jack_detect)
|
|
return 0; /* already registered */
|
|
jack->jack_detect = 1;
|
|
if (action)
|
|
jack->action = action;
|
|
return snd_hda_codec_write_cache(codec, nid, 0,
|
|
AC_VERB_SET_UNSOLICITED_ENABLE,
|
|
AC_USRSP_EN | jack->tag);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_detect_enable);
|
|
|
|
/**
|
|
* snd_hda_jack_report_sync - sync the states of all jacks and report if changed
|
|
*/
|
|
void snd_hda_jack_report_sync(struct hda_codec *codec)
|
|
{
|
|
struct hda_jack_tbl *jack = codec->jacktbl.list;
|
|
int i, state;
|
|
|
|
for (i = 0; i < codec->jacktbl.used; i++, jack++)
|
|
if (jack->nid) {
|
|
jack_detect_update(codec, jack);
|
|
if (!jack->kctl)
|
|
continue;
|
|
state = get_jack_plug_state(jack->pin_sense);
|
|
snd_kctl_jack_report(codec->bus->card, jack->kctl, state);
|
|
#ifdef CONFIG_SND_HDA_INPUT_JACK
|
|
if (jack->jack)
|
|
snd_jack_report(jack->jack,
|
|
state ? jack->type : 0);
|
|
#endif
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_report_sync);
|
|
|
|
#ifdef CONFIG_SND_HDA_INPUT_JACK
|
|
/* guess the jack type from the pin-config */
|
|
static int get_input_jack_type(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
|
|
switch (get_defcfg_device(def_conf)) {
|
|
case AC_JACK_LINE_OUT:
|
|
case AC_JACK_SPEAKER:
|
|
return SND_JACK_LINEOUT;
|
|
case AC_JACK_HP_OUT:
|
|
return SND_JACK_HEADPHONE;
|
|
case AC_JACK_SPDIF_OUT:
|
|
case AC_JACK_DIG_OTHER_OUT:
|
|
return SND_JACK_AVOUT;
|
|
case AC_JACK_MIC_IN:
|
|
return SND_JACK_MICROPHONE;
|
|
default:
|
|
return SND_JACK_LINEIN;
|
|
}
|
|
}
|
|
|
|
static void hda_free_jack_priv(struct snd_jack *jack)
|
|
{
|
|
struct hda_jack_tbl *jacks = jack->private_data;
|
|
jacks->nid = 0;
|
|
jacks->jack = NULL;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* snd_hda_jack_add_kctl - Add a kctl for the given pin
|
|
*
|
|
* This assigns a jack-detection kctl to the given pin. The kcontrol
|
|
* will have the given name and index.
|
|
*/
|
|
int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
|
|
const char *name, int idx)
|
|
{
|
|
struct hda_jack_tbl *jack;
|
|
struct snd_kcontrol *kctl;
|
|
int err, state;
|
|
|
|
jack = snd_hda_jack_tbl_new(codec, nid);
|
|
if (!jack)
|
|
return 0;
|
|
if (jack->kctl)
|
|
return 0; /* already created */
|
|
kctl = snd_kctl_jack_new(name, idx, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
err = snd_hda_ctl_add(codec, nid, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
jack->kctl = kctl;
|
|
state = snd_hda_jack_detect(codec, nid);
|
|
snd_kctl_jack_report(codec->bus->card, kctl, state);
|
|
#ifdef CONFIG_SND_HDA_INPUT_JACK
|
|
jack->type = get_input_jack_type(codec, nid);
|
|
err = snd_jack_new(codec->bus->card, name, jack->type, &jack->jack);
|
|
if (err < 0)
|
|
return err;
|
|
jack->jack->private_data = jack;
|
|
jack->jack->private_free = hda_free_jack_priv;
|
|
snd_jack_report(jack->jack, state ? jack->type : 0);
|
|
#endif
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctl);
|
|
|
|
static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
|
|
const struct auto_pin_cfg *cfg,
|
|
char *lastname, int *lastidx)
|
|
{
|
|
unsigned int def_conf, conn;
|
|
char name[44];
|
|
int idx, err;
|
|
|
|
if (!nid)
|
|
return 0;
|
|
if (!is_jack_detectable(codec, nid))
|
|
return 0;
|
|
def_conf = snd_hda_codec_get_pincfg(codec, nid);
|
|
conn = get_defcfg_connect(def_conf);
|
|
if (conn != AC_JACK_PORT_COMPLEX)
|
|
return 0;
|
|
|
|
snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx);
|
|
if (!strcmp(name, lastname) && idx == *lastidx)
|
|
idx++;
|
|
strncpy(lastname, name, 44);
|
|
*lastidx = idx;
|
|
err = snd_hda_jack_add_kctl(codec, nid, name, idx);
|
|
if (err < 0)
|
|
return err;
|
|
return snd_hda_jack_detect_enable(codec, nid, 0);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_jack_add_kctls - Add kctls for all pins included in the given pincfg
|
|
*/
|
|
int snd_hda_jack_add_kctls(struct hda_codec *codec,
|
|
const struct auto_pin_cfg *cfg)
|
|
{
|
|
const hda_nid_t *p;
|
|
int i, err, lastidx = 0;
|
|
char lastname[44] = "";
|
|
|
|
for (i = 0, p = cfg->line_out_pins; i < cfg->line_outs; i++, p++) {
|
|
err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
for (i = 0, p = cfg->hp_pins; i < cfg->hp_outs; i++, p++) {
|
|
if (*p == *cfg->line_out_pins) /* might be duplicated */
|
|
break;
|
|
err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
for (i = 0, p = cfg->speaker_pins; i < cfg->speaker_outs; i++, p++) {
|
|
if (*p == *cfg->line_out_pins) /* might be duplicated */
|
|
break;
|
|
err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
for (i = 0; i < cfg->num_inputs; i++) {
|
|
err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
for (i = 0, p = cfg->dig_out_pins; i < cfg->dig_outs; i++, p++) {
|
|
err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
err = add_jack_kctl(codec, cfg->dig_in_pin, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
err = add_jack_kctl(codec, cfg->mono_out_pin, cfg, lastname, &lastidx);
|
|
if (err < 0)
|
|
return err;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctls);
|