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linux/sound/pci/hda/hda_auto_parser.c
Takashi Iwai a9c2dfc852 ALSA: hda - Use a macro for snd_array iteration loops 
Introduce a new helper macro, snd_array_for_each(), to iterate for
each snd_array element.  It slightly improves the readability than
lengthy open codes at each place.

Along with it, add const prefix to some obvious places.

There should be no functional changes by this.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 13:41:53 +02:00

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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 <linux/sort.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_auto_parser.h"
/*
* Helper for automatic pin configuration
*/
static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
{
for (; *list; list++)
if (*list == nid)
return 1;
return 0;
}
/* a pair of input pin and its sequence */
struct auto_out_pin {
hda_nid_t pin;
short seq;
};
static int compare_seq(const void *ap, const void *bp)
{
const struct auto_out_pin *a = ap;
const struct auto_out_pin *b = bp;
return (int)(a->seq - b->seq);
}
/*
* Sort an associated group of pins according to their sequence numbers.
* then store it to a pin array.
*/
static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
int num_pins)
{
int i;
sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
for (i = 0; i < num_pins; i++)
pins[i] = list[i].pin;
}
/* add the found input-pin to the cfg->inputs[] table */
static void add_auto_cfg_input_pin(struct hda_codec *codec, struct auto_pin_cfg *cfg,
hda_nid_t nid, int type)
{
if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
cfg->inputs[cfg->num_inputs].pin = nid;
cfg->inputs[cfg->num_inputs].type = type;
cfg->inputs[cfg->num_inputs].has_boost_on_pin =
nid_has_volume(codec, nid, HDA_INPUT);
cfg->num_inputs++;
}
}
static int compare_input_type(const void *ap, const void *bp)
{
const struct auto_pin_cfg_item *a = ap;
const struct auto_pin_cfg_item *b = bp;
if (a->type != b->type)
return (int)(a->type - b->type);
/* In case one has boost and the other one has not,
pick the one with boost first. */
return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
}
/* Reorder the surround channels
* ALSA sequence is front/surr/clfe/side
* HDA sequence is:
* 4-ch: front/surr => OK as it is
* 6-ch: front/clfe/surr
* 8-ch: front/clfe/rear/side|fc
*/
static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
{
hda_nid_t nid;
switch (nums) {
case 3:
case 4:
nid = pins[1];
pins[1] = pins[2];
pins[2] = nid;
break;
}
}
/* check whether the given pin has a proper pin I/O capability bit */
static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
unsigned int dev)
{
unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
/* some old hardware don't return the proper pincaps */
if (!pincap)
return true;
switch (dev) {
case AC_JACK_LINE_OUT:
case AC_JACK_SPEAKER:
case AC_JACK_HP_OUT:
case AC_JACK_SPDIF_OUT:
case AC_JACK_DIG_OTHER_OUT:
return !!(pincap & AC_PINCAP_OUT);
default:
return !!(pincap & AC_PINCAP_IN);
}
}
static bool can_be_headset_mic(struct hda_codec *codec,
struct auto_pin_cfg_item *item,
int seq_number)
{
int attr;
unsigned int def_conf;
if (item->type != AUTO_PIN_MIC)
return false;
if (item->is_headset_mic || item->is_headphone_mic)
return false; /* Already assigned */
def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
attr = snd_hda_get_input_pin_attr(def_conf);
if (attr <= INPUT_PIN_ATTR_DOCK)
return false;
if (seq_number >= 0) {
int seq = get_defcfg_sequence(def_conf);
if (seq != seq_number)
return false;
}
return true;
}
/*
* Parse all pin widgets and store the useful pin nids to cfg
*
* The number of line-outs or any primary output is stored in line_outs,
* and the corresponding output pins are assigned to line_out_pins[],
* in the order of front, rear, CLFE, side, ...
*
* If more extra outputs (speaker and headphone) are found, the pins are
* assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
* is detected, one of speaker of HP pins is assigned as the primary
* output, i.e. to line_out_pins[0]. So, line_outs is always positive
* if any analog output exists.
*
* The analog input pins are assigned to inputs array.
* The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
* respectively.
*/
int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
struct auto_pin_cfg *cfg,
const hda_nid_t *ignore_nids,
unsigned int cond_flags)
{
hda_nid_t nid;
short seq, assoc_line_out;
struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
int i;
if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
cond_flags = i;
memset(cfg, 0, sizeof(*cfg));
memset(line_out, 0, sizeof(line_out));
memset(speaker_out, 0, sizeof(speaker_out));
memset(hp_out, 0, sizeof(hp_out));
assoc_line_out = 0;
for_each_hda_codec_node(nid, codec) {
unsigned int wid_caps = get_wcaps(codec, nid);
unsigned int wid_type = get_wcaps_type(wid_caps);
unsigned int def_conf;
short assoc, loc, conn, dev;
/* read all default configuration for pin complex */
if (wid_type != AC_WID_PIN)
continue;
/* ignore the given nids (e.g. pc-beep returns error) */
if (ignore_nids && is_in_nid_list(nid, ignore_nids))
continue;
def_conf = snd_hda_codec_get_pincfg(codec, nid);
conn = get_defcfg_connect(def_conf);
if (conn == AC_JACK_PORT_NONE)
continue;
loc = get_defcfg_location(def_conf);
dev = get_defcfg_device(def_conf);
/* workaround for buggy BIOS setups */
if (dev == AC_JACK_LINE_OUT) {
if (conn == AC_JACK_PORT_FIXED ||
conn == AC_JACK_PORT_BOTH)
dev = AC_JACK_SPEAKER;
}
if (!check_pincap_validity(codec, nid, dev))
continue;
switch (dev) {
case AC_JACK_LINE_OUT:
seq = get_defcfg_sequence(def_conf);
assoc = get_defcfg_association(def_conf);
if (!(wid_caps & AC_WCAP_STEREO))
if (!cfg->mono_out_pin)
cfg->mono_out_pin = nid;
if (!assoc)
continue;
if (!assoc_line_out)
assoc_line_out = assoc;
else if (assoc_line_out != assoc) {
codec_info(codec,
"ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
nid, assoc, assoc_line_out);
continue;
}
if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
codec_info(codec,
"ignore pin 0x%x, too many assigned pins\n",
nid);
continue;
}
line_out[cfg->line_outs].pin = nid;
line_out[cfg->line_outs].seq = seq;
cfg->line_outs++;
break;
case AC_JACK_SPEAKER:
seq = get_defcfg_sequence(def_conf);
assoc = get_defcfg_association(def_conf);
if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
codec_info(codec,
"ignore pin 0x%x, too many assigned pins\n",
nid);
continue;
}
speaker_out[cfg->speaker_outs].pin = nid;
speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
cfg->speaker_outs++;
break;
case AC_JACK_HP_OUT:
seq = get_defcfg_sequence(def_conf);
assoc = get_defcfg_association(def_conf);
if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
codec_info(codec,
"ignore pin 0x%x, too many assigned pins\n",
nid);
continue;
}
hp_out[cfg->hp_outs].pin = nid;
hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
cfg->hp_outs++;
break;
case AC_JACK_MIC_IN:
add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
break;
case AC_JACK_LINE_IN:
add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
break;
case AC_JACK_CD:
add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
break;
case AC_JACK_AUX:
add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
break;
case AC_JACK_SPDIF_OUT:
case AC_JACK_DIG_OTHER_OUT:
if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
codec_info(codec,
"ignore pin 0x%x, too many assigned pins\n",
nid);
continue;
}
cfg->dig_out_pins[cfg->dig_outs] = nid;
cfg->dig_out_type[cfg->dig_outs] =
(loc == AC_JACK_LOC_HDMI) ?
HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
cfg->dig_outs++;
break;
case AC_JACK_SPDIF_IN:
case AC_JACK_DIG_OTHER_IN:
cfg->dig_in_pin = nid;
if (loc == AC_JACK_LOC_HDMI)
cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
else
cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
break;
}
}
/* Find a pin that could be a headset or headphone mic */
if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
cfg->inputs[i].is_headset_mic = 1;
hsmic = false;
} else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
cfg->inputs[i].is_headphone_mic = 1;
hpmic = false;
}
/* If we didn't find our sequence number mark, fall back to any sequence number */
for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
continue;
if (hsmic) {
cfg->inputs[i].is_headset_mic = 1;
hsmic = false;
} else if (hpmic) {
cfg->inputs[i].is_headphone_mic = 1;
hpmic = false;
}
}
if (hsmic)
codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
if (hpmic)
codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
}
/* FIX-UP:
* If no line-out is defined but multiple HPs are found,
* some of them might be the real line-outs.
*/
if (!cfg->line_outs && cfg->hp_outs > 1 &&
!(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
int i = 0;
while (i < cfg->hp_outs) {
/* The real HPs should have the sequence 0x0f */
if ((hp_out[i].seq & 0x0f) == 0x0f) {
i++;
continue;
}
/* Move it to the line-out table */
line_out[cfg->line_outs++] = hp_out[i];
cfg->hp_outs--;
memmove(hp_out + i, hp_out + i + 1,
sizeof(hp_out[0]) * (cfg->hp_outs - i));
}
memset(hp_out + cfg->hp_outs, 0,
sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
if (!cfg->hp_outs)
cfg->line_out_type = AUTO_PIN_HP_OUT;
}
/* sort by sequence */
sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
cfg->speaker_outs);
sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
/*
* FIX-UP: if no line-outs are detected, try to use speaker or HP pin
* as a primary output
*/
if (!cfg->line_outs &&
!(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
if (cfg->speaker_outs) {
cfg->line_outs = cfg->speaker_outs;
memcpy(cfg->line_out_pins, cfg->speaker_pins,
sizeof(cfg->speaker_pins));
cfg->speaker_outs = 0;
memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
} else if (cfg->hp_outs) {
cfg->line_outs = cfg->hp_outs;
memcpy(cfg->line_out_pins, cfg->hp_pins,
sizeof(cfg->hp_pins));
cfg->hp_outs = 0;
memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
cfg->line_out_type = AUTO_PIN_HP_OUT;
}
}
reorder_outputs(cfg->line_outs, cfg->line_out_pins);
reorder_outputs(cfg->hp_outs, cfg->hp_pins);
reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
/* sort inputs in the order of AUTO_PIN_* type */
sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
compare_input_type, NULL);
/*
* debug prints of the parsed results
*/
codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
codec->core.chip_name, cfg->line_outs, cfg->line_out_pins[0],
cfg->line_out_pins[1], cfg->line_out_pins[2],
cfg->line_out_pins[3], cfg->line_out_pins[4],
cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
(cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
"speaker" : "line"));
codec_info(codec, " speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
cfg->speaker_outs, cfg->speaker_pins[0],
cfg->speaker_pins[1], cfg->speaker_pins[2],
cfg->speaker_pins[3], cfg->speaker_pins[4]);
codec_info(codec, " hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
cfg->hp_outs, cfg->hp_pins[0],
cfg->hp_pins[1], cfg->hp_pins[2],
cfg->hp_pins[3], cfg->hp_pins[4]);
codec_info(codec, " mono: mono_out=0x%x\n", cfg->mono_out_pin);
if (cfg->dig_outs)
codec_info(codec, " dig-out=0x%x/0x%x\n",
cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
codec_info(codec, " inputs:\n");
for (i = 0; i < cfg->num_inputs; i++) {
codec_info(codec, " %s=0x%x\n",
hda_get_autocfg_input_label(codec, cfg, i),
cfg->inputs[i].pin);
}
if (cfg->dig_in_pin)
codec_info(codec, " dig-in=0x%x\n", cfg->dig_in_pin);
return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
/**
* snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
* @def_conf: pin configuration value
*
* Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
* default pin configuration value.
*/
int snd_hda_get_input_pin_attr(unsigned int def_conf)
{
unsigned int loc = get_defcfg_location(def_conf);
unsigned int conn = get_defcfg_connect(def_conf);
if (conn == AC_JACK_PORT_NONE)
return INPUT_PIN_ATTR_UNUSED;
/* Windows may claim the internal mic to be BOTH, too */
if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
return INPUT_PIN_ATTR_INT;
if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
return INPUT_PIN_ATTR_INT;
if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
return INPUT_PIN_ATTR_DOCK;
if (loc == AC_JACK_LOC_REAR)
return INPUT_PIN_ATTR_REAR;
if (loc == AC_JACK_LOC_FRONT)
return INPUT_PIN_ATTR_FRONT;
return INPUT_PIN_ATTR_NORMAL;
}
EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
/**
* hda_get_input_pin_label - Give a label for the given input pin
* @codec: the HDA codec
* @item: ping config item to refer
* @pin: the pin NID
* @check_location: flag to add the jack location prefix
*
* When @check_location is true, the function checks the pin location
* for mic and line-in pins, and set an appropriate prefix like "Front",
* "Rear", "Internal".
*/
static const char *hda_get_input_pin_label(struct hda_codec *codec,
const struct auto_pin_cfg_item *item,
hda_nid_t pin, bool check_location)
{
unsigned int def_conf;
static const char * const mic_names[] = {
"Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
};
int attr;
def_conf = snd_hda_codec_get_pincfg(codec, pin);
switch (get_defcfg_device(def_conf)) {
case AC_JACK_MIC_IN:
if (item && item->is_headset_mic)
return "Headset Mic";
if (item && item->is_headphone_mic)
return "Headphone Mic";
if (!check_location)
return "Mic";
attr = snd_hda_get_input_pin_attr(def_conf);
if (!attr)
return "None";
return mic_names[attr - 1];
case AC_JACK_LINE_IN:
if (!check_location)
return "Line";
attr = snd_hda_get_input_pin_attr(def_conf);
if (!attr)
return "None";
if (attr == INPUT_PIN_ATTR_DOCK)
return "Dock Line";
return "Line";
case AC_JACK_AUX:
return "Aux";
case AC_JACK_CD:
return "CD";
case AC_JACK_SPDIF_IN:
return "SPDIF In";
case AC_JACK_DIG_OTHER_IN:
return "Digital In";
case AC_JACK_HP_OUT:
return "Headphone Mic";
default:
return "Misc";
}
}
/* Check whether the location prefix needs to be added to the label.
* If all mic-jacks are in the same location (e.g. rear panel), we don't
* have to put "Front" prefix to each label. In such a case, returns false.
*/
static int check_mic_location_need(struct hda_codec *codec,
const struct auto_pin_cfg *cfg,
int input)
{
unsigned int defc;
int i, attr, attr2;
defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
attr = snd_hda_get_input_pin_attr(defc);
/* for internal or docking mics, we need locations */
if (attr <= INPUT_PIN_ATTR_NORMAL)
return 1;
attr = 0;
for (i = 0; i < cfg->num_inputs; i++) {
defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
attr2 = snd_hda_get_input_pin_attr(defc);
if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
if (attr && attr != attr2)
return 1; /* different locations found */
attr = attr2;
}
}
return 0;
}
/**
* hda_get_autocfg_input_label - Get a label for the given input
* @codec: the HDA codec
* @cfg: the parsed pin configuration
* @input: the input index number
*
* Get a label for the given input pin defined by the autocfg item.
* Unlike hda_get_input_pin_label(), this function checks all inputs
* defined in autocfg and avoids the redundant mic/line prefix as much as
* possible.
*/
const char *hda_get_autocfg_input_label(struct hda_codec *codec,
const struct auto_pin_cfg *cfg,
int input)
{
int type = cfg->inputs[input].type;
int has_multiple_pins = 0;
if ((input > 0 && cfg->inputs[input - 1].type == type) ||
(input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
has_multiple_pins = 1;
if (has_multiple_pins && type == AUTO_PIN_MIC)
has_multiple_pins &= check_mic_location_need(codec, cfg, input);
has_multiple_pins |= codec->force_pin_prefix;
return hda_get_input_pin_label(codec, &cfg->inputs[input],
cfg->inputs[input].pin,
has_multiple_pins);
}
EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
/* return the position of NID in the list, or -1 if not found */
static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
{
int i;
for (i = 0; i < nums; i++)
if (list[i] == nid)
return i;
return -1;
}
/* get a unique suffix or an index number */
static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
int num_pins, int *indexp)
{
static const char * const channel_sfx[] = {
" Front", " Surround", " CLFE", " Side"
};
int i;
i = find_idx_in_nid_list(nid, pins, num_pins);
if (i < 0)
return NULL;
if (num_pins == 1)
return "";
if (num_pins > ARRAY_SIZE(channel_sfx)) {
if (indexp)
*indexp = i;
return "";
}
return channel_sfx[i];
}
static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
{
unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
int attr = snd_hda_get_input_pin_attr(def_conf);
/* check the location */
switch (attr) {
case INPUT_PIN_ATTR_DOCK:
return "Dock ";
case INPUT_PIN_ATTR_FRONT:
return "Front ";
}
return "";
}
static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
const hda_nid_t *pins, int num_pins)
{
int i, j, idx = 0;
const char *pfx = check_output_pfx(codec, nid);
i = find_idx_in_nid_list(nid, pins, num_pins);
if (i < 0)
return -1;
for (j = 0; j < i; j++)
if (pfx == check_output_pfx(codec, pins[j]))
idx++;
return idx;
}
static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
const struct auto_pin_cfg *cfg,
const char *name, char *label, int maxlen,
int *indexp)
{
unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
int attr = snd_hda_get_input_pin_attr(def_conf);
const char *pfx, *sfx = "";
/* handle as a speaker if it's a fixed line-out */
if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
name = "Speaker";
pfx = check_output_pfx(codec, nid);
if (cfg) {
/* try to give a unique suffix if needed */
sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
indexp);
if (!sfx)
sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
indexp);
if (!sfx) {
/* don't add channel suffix for Headphone controls */
int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
cfg->hp_outs);
if (idx >= 0 && indexp)
*indexp = idx;
sfx = "";
}
}
snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
return 1;
}
#define is_hdmi_cfg(conf) \
(get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
/**
* snd_hda_get_pin_label - Get a label for the given I/O pin
* @codec: the HDA codec
* @nid: pin NID
* @cfg: the parsed pin configuration
* @label: the string buffer to store
* @maxlen: the max length of string buffer (including termination)
* @indexp: the pointer to return the index number (for multiple ctls)
*
* Get a label for the given pin. This function works for both input and
* output pins. When @cfg is given as non-NULL, the function tries to get
* an optimized label using hda_get_autocfg_input_label().
*
* This function tries to give a unique label string for the pin as much as
* possible. For example, when the multiple line-outs are present, it adds
* the channel suffix like "Front", "Surround", etc (only when @cfg is given).
* If no unique name with a suffix is available and @indexp is non-NULL, the
* index number is stored in the pointer.
*/
int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
const struct auto_pin_cfg *cfg,
char *label, int maxlen, int *indexp)
{
unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
const char *name = NULL;
int i;
bool hdmi;
if (indexp)
*indexp = 0;
if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
return 0;
switch (get_defcfg_device(def_conf)) {
case AC_JACK_LINE_OUT:
return fill_audio_out_name(codec, nid, cfg, "Line Out",
label, maxlen, indexp);
case AC_JACK_SPEAKER:
return fill_audio_out_name(codec, nid, cfg, "Speaker",
label, maxlen, indexp);
case AC_JACK_HP_OUT:
return fill_audio_out_name(codec, nid, cfg, "Headphone",
label, maxlen, indexp);
case AC_JACK_SPDIF_OUT:
case AC_JACK_DIG_OTHER_OUT:
hdmi = is_hdmi_cfg(def_conf);
name = hdmi ? "HDMI" : "SPDIF";
if (cfg && indexp)
for (i = 0; i < cfg->dig_outs; i++) {
hda_nid_t pin = cfg->dig_out_pins[i];
unsigned int c;
if (pin == nid)
break;
c = snd_hda_codec_get_pincfg(codec, pin);
if (hdmi == is_hdmi_cfg(c))
(*indexp)++;
}
break;
default:
if (cfg) {
for (i = 0; i < cfg->num_inputs; i++) {
if (cfg->inputs[i].pin != nid)
continue;
name = hda_get_autocfg_input_label(codec, cfg, i);
if (name)
break;
}
}
if (!name)
name = hda_get_input_pin_label(codec, NULL, nid, true);
break;
}
if (!name)
return 0;
strlcpy(label, name, maxlen);
return 1;
}
EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
/**
* snd_hda_add_verbs - Add verbs to the init list
* @codec: the HDA codec
* @list: zero-terminated verb list to add
*
* Append the given verb list to the execution list. The verbs will be
* performed at init and resume time via snd_hda_apply_verbs().
*/
int snd_hda_add_verbs(struct hda_codec *codec,
const struct hda_verb *list)
{
const struct hda_verb **v;
v = snd_array_new(&codec->verbs);
if (!v)
return -ENOMEM;
*v = list;
return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
/**
* snd_hda_apply_verbs - Execute the init verb lists
* @codec: the HDA codec
*/
void snd_hda_apply_verbs(struct hda_codec *codec)
{
const struct hda_verb **v;
int i;
snd_array_for_each(&codec->verbs, i, v)
snd_hda_sequence_write(codec, *v);
}
EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
/**
* snd_hda_apply_pincfgs - Set each pin config in the given list
* @codec: the HDA codec
* @cfg: NULL-terminated pin config table
*/
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_GPL(snd_hda_apply_pincfgs);
static void set_pin_targets(struct hda_codec *codec,
const struct hda_pintbl *cfg)
{
for (; cfg->nid; cfg++)
snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
}
static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
{
const char *modelname = codec->fixup_name;
while (id >= 0) {
const struct hda_fixup *fix = codec->fixup_list + id;
if (fix->chained_before)
apply_fixup(codec, fix->chain_id, action, depth + 1);
switch (fix->type) {
case HDA_FIXUP_PINS:
if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
break;
codec_dbg(codec, "%s: Apply pincfg for %s\n",
codec->core.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;
codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
codec->core.chip_name, modelname);
snd_hda_add_verbs(codec, fix->v.verbs);
break;
case HDA_FIXUP_FUNC:
if (!fix->v.func)
break;
codec_dbg(codec, "%s: Apply fix-func for %s\n",
codec->core.chip_name, modelname);
fix->v.func(codec, fix, action);
break;
case HDA_FIXUP_PINCTLS:
if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
break;
codec_dbg(codec, "%s: Apply pinctl for %s\n",
codec->core.chip_name, modelname);
set_pin_targets(codec, fix->v.pins);
break;
default:
codec_err(codec, "%s: Invalid fixup type %d\n",
codec->core.chip_name, fix->type);
break;
}
if (!fix->chained || fix->chained_before)
break;
if (++depth > 10)
break;
id = fix->chain_id;
}
}
/**
* snd_hda_apply_fixup - Apply the fixup chain with the given action
* @codec: the HDA codec
* @action: fixup action (HDA_FIXUP_ACT_XXX)
*/
void snd_hda_apply_fixup(struct hda_codec *codec, int action)
{
if (codec->fixup_list)
apply_fixup(codec, codec->fixup_id, action, 0);
}
EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
#define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
static bool pin_config_match(struct hda_codec *codec,
const struct hda_pintbl *pins)
{
const struct hda_pincfg *pin;
int i;
snd_array_for_each(&codec->init_pins, i, pin) {
hda_nid_t nid = pin->nid;
u32 cfg = pin->cfg;
const struct hda_pintbl *t_pins;
int found;
t_pins = pins;
found = 0;
for (; t_pins->nid; t_pins++) {
if (t_pins->nid == nid) {
found = 1;
if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
break;
else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
break;
else
return false;
}
}
if (!found && (cfg & 0xf0000000) != 0x40000000)
return false;
}
return true;
}
/**
* snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
* @codec: the HDA codec
* @pin_quirk: zero-terminated pin quirk list
* @fixlist: the fixup list
*/
void snd_hda_pick_pin_fixup(struct hda_codec *codec,
const struct snd_hda_pin_quirk *pin_quirk,
const struct hda_fixup *fixlist)
{
const struct snd_hda_pin_quirk *pq;
if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
return;
for (pq = pin_quirk; pq->subvendor; pq++) {
if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
continue;
if (codec->core.vendor_id != pq->codec)
continue;
if (pin_config_match(codec, pq->pins)) {
codec->fixup_id = pq->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
codec->fixup_name = pq->name;
codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
codec->core.chip_name, codec->fixup_name);
#endif
codec->fixup_list = fixlist;
return;
}
}
}
EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
/**
* snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
* @codec: the HDA codec
* @models: NULL-terminated model string list
* @quirk: zero-terminated PCI/codec SSID quirk list
* @fixlist: the fixup list
*
* Pick up a fixup entry matching with the given model string or SSID.
* If a fixup was already set beforehand, the function doesn't do anything.
* When a special model string "nofixup" is given, also no fixup is applied.
*
* The function tries to find the matching model name at first, if given.
* If nothing matched, try to look up the PCI SSID.
* If still nothing matched, try to look up the codec SSID.
*/
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)
{
const struct snd_pci_quirk *q;
int id = HDA_FIXUP_ID_NOT_SET;
const char *name = NULL;
if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
return;
/* when model=nofixup is given, don't pick up any fixups */
if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
codec->fixup_list = NULL;
codec->fixup_name = NULL;
codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
codec->core.chip_name);
return;
}
if (codec->modelname && models) {
while (models->name) {
if (!strcmp(codec->modelname, models->name)) {
codec->fixup_id = models->id;
codec->fixup_name = models->name;
codec->fixup_list = fixlist;
codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
codec->core.chip_name, codec->fixup_name);
return;
}
models++;
}
}
if (quirk) {
q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
if (q) {
id = q->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
name = q->name;
codec_dbg(codec, "%s: picked fixup %s (PCI SSID%s)\n",
codec->core.chip_name, name, q->subdevice_mask ? "" : " - vendor generic");
#endif
}
}
if (id < 0 && quirk) {
for (q = quirk; q->subvendor || q->subdevice; q++) {
unsigned int vendorid =
q->subdevice | (q->subvendor << 16);
unsigned int mask = 0xffff0000 | q->subdevice_mask;
if ((codec->core.subsystem_id & mask) == (vendorid & mask)) {
id = q->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
name = q->name;
codec_dbg(codec, "%s: picked fixup %s (codec SSID)\n",
codec->core.chip_name, name);
#endif
break;
}
}
}
codec->fixup_id = id;
if (id >= 0) {
codec->fixup_list = fixlist;
codec->fixup_name = name;
}
}
EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
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