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/*
* BIOS auto-parser helper functions for HD-audio
*
* Copyright (c) 2012 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/slab.h>
#include <linux/export.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_auto_parser.h"
#define SFX "hda_codec: "
int snd_hda_gen_add_verbs(struct hda_gen_spec *spec,
const struct hda_verb *list)
{
const struct hda_verb **v;
snd_array_init(&spec->verbs, sizeof(struct hda_verb *), 8);
v = snd_array_new(&spec->verbs);
if (!v)
return -ENOMEM;
*v = list;
return 0;
}
EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs);
void snd_hda_gen_apply_verbs(struct hda_codec *codec)
{
struct hda_gen_spec *spec = codec->spec;
int i;
for (i = 0; i < spec->verbs.used; i++) {
struct hda_verb **v = snd_array_elem(&spec->verbs, i);
snd_hda_sequence_write(codec, *v);
}
}
EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs);
void snd_hda_apply_pincfgs(struct hda_codec *codec,
const struct hda_pintbl *cfg)
{
for (; cfg->nid; cfg++)
snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
}
EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs);
void snd_hda_apply_fixup(struct hda_codec *codec, int action)
{
struct hda_gen_spec *spec = codec->spec;
int id = spec->fixup_id;
#ifdef CONFIG_SND_DEBUG_VERBOSE
const char *modelname = spec->fixup_name;
#endif
int depth = 0;
if (!spec->fixup_list)
return;
while (id >= 0) {
const struct hda_fixup *fix = spec->fixup_list + id;
switch (fix->type) {
case HDA_FIXUP_PINS:
if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
break;
snd_printdd(KERN_INFO SFX
"%s: Apply pincfg for %s\n",
codec->chip_name, modelname);
snd_hda_apply_pincfgs(codec, fix->v.pins);
break;
case HDA_FIXUP_VERBS:
if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
break;
snd_printdd(KERN_INFO SFX
"%s: Apply fix-verbs for %s\n",
codec->chip_name, modelname);
snd_hda_gen_add_verbs(codec->spec, fix->v.verbs);
break;
case HDA_FIXUP_FUNC:
if (!fix->v.func)
break;
snd_printdd(KERN_INFO SFX
"%s: Apply fix-func for %s\n",
codec->chip_name, modelname);
fix->v.func(codec, fix, action);
break;
default:
snd_printk(KERN_ERR SFX
"%s: Invalid fixup type %d\n",
codec->chip_name, fix->type);
break;
}
if (!fix->chained)
break;
if (++depth > 10)
break;
id = fix->chain_id;
}
}
EXPORT_SYMBOL_HDA(snd_hda_apply_fixup);
void snd_hda_pick_fixup(struct hda_codec *codec,
const struct hda_model_fixup *models,
const struct snd_pci_quirk *quirk,
const struct hda_fixup *fixlist)
{
struct hda_gen_spec *spec = codec->spec;
const struct snd_pci_quirk *q;
int id = -1;
const char *name = NULL;
/* when model=nofixup is given, don't pick up any fixups */
if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
spec->fixup_list = NULL;
spec->fixup_id = -1;
return;
}
if (codec->modelname && models) {
while (models->name) {
if (!strcmp(codec->modelname, models->name)) {
id = models->id;
name = models->name;
break;
}
models++;
}
}
if (id < 0) {
q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
if (q) {
id = q->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
name = q->name;
#endif
}
}
if (id < 0) {
for (q = quirk; q->subvendor; q++) {
unsigned int vendorid =
q->subdevice | (q->subvendor << 16);
if (vendorid == codec->subsystem_id) {
id = q->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
name = q->name;
#endif
break;
}
}
}
spec->fixup_id = id;
if (id >= 0) {
spec->fixup_list = fixlist;
spec->fixup_name = name;
}
}
EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);
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