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* Universal Interface for Intel High Definition Audio Codec
*
* Generic proc interface
*
* Copyright (c) 2004 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.
*
* This driver is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
static const char *get_wid_type_name(unsigned int wid_value)
{
static char *names[16] = {
[AC_WID_AUD_OUT] = "Audio Output",
[AC_WID_AUD_IN] = "Audio Input",
[AC_WID_AUD_MIX] = "Audio Mixer",
[AC_WID_AUD_SEL] = "Audio Selector",
[AC_WID_PIN] = "Pin Complex",
[AC_WID_POWER] = "Power Widget",
[AC_WID_VOL_KNB] = "Volume Knob Widget",
[AC_WID_BEEP] = "Beep Generator Widget",
[AC_WID_VENDOR] = "Vendor Defined Widget",
};
wid_value &= 0xf;
if (names[wid_value])
return names[wid_value];
else
return "UNKOWN Widget";
}
static void print_amp_caps(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid, int dir)
{
unsigned int caps;
if (dir == HDA_OUTPUT)
caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_OUT_CAP);
else
caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_IN_CAP);
if (caps == -1 || caps == 0) {
snd_iprintf(buffer, "N/A\n");
return;
}
snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, mute=%x\n",
caps & AC_AMPCAP_OFFSET,
(caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
(caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
(caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
}
static void print_amp_vals(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid,
int dir, int stereo, int indices)
{
unsigned int val;
int i;
if (dir == HDA_OUTPUT)
dir = AC_AMP_GET_OUTPUT;
else
dir = AC_AMP_GET_INPUT;
for (i = 0; i < indices; i++) {
snd_iprintf(buffer, " [");
if (stereo) {
val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
AC_AMP_GET_LEFT | dir | i);
snd_iprintf(buffer, "0x%02x ", val);
}
val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
AC_AMP_GET_RIGHT | dir | i);
snd_iprintf(buffer, "0x%02x]", val);
}
snd_iprintf(buffer, "\n");
}
static void print_pcm_caps(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid)
{
unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
if (pcm == -1 || stream == -1) {
snd_iprintf(buffer, "N/A\n");
return;
}
snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
}
static const char *get_jack_location(u32 cfg)
{
static char *bases[7] = {
"N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
};
static unsigned char specials_idx[] = {
0x07, 0x08,
0x17, 0x18, 0x19,
0x37, 0x38
};
static char *specials[] = {
"Rear Panel", "Drive Bar",
"Riser", "HDMI", "ATAPI",
"Mobile-In", "Mobile-Out"
};
int i;
cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
if ((cfg & 0x0f) < 7)
return bases[cfg & 0x0f];
for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
if (cfg == specials_idx[i])
return specials[i];
}
return "UNKNOWN";
}
static const char *get_jack_connection(u32 cfg)
{
static char *names[16] = {
"Unknown", "1/8", "1/4", "ATAPI",
"RCA", "Optical","Digital", "Analog",
"DIN", "XLR", "RJ11", "Comb",
NULL, NULL, NULL, "Other"
};
cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
if (names[cfg])
return names[cfg];
else
return "UNKNOWN";
}
static const char *get_jack_color(u32 cfg)
{
static char *names[16] = {
"Unknown", "Black", "Grey", "Blue",
"Green", "Red", "Orange", "Yellow",
"Purple", "Pink", NULL, NULL,
NULL, NULL, "White", "Other",
};
cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
if (names[cfg])
return names[cfg];
else
return "UNKNOWN";
}
static void print_pin_caps(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid)
{
static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
static char *jack_types[16] = {
"Line Out", "Speaker", "HP Out", "CD",
"SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
"Line In", "Aux", "Mic", "Telephony",
"SPDIF In", "Digitial In", "Reserved", "Other"
};
static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
unsigned int caps;
caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
snd_iprintf(buffer, " Pincap 0x08%x:", caps);
if (caps & AC_PINCAP_IN)
snd_iprintf(buffer, " IN");
if (caps & AC_PINCAP_OUT)
snd_iprintf(buffer, " OUT");
if (caps & AC_PINCAP_HP_DRV)
snd_iprintf(buffer, " HP");
snd_iprintf(buffer, "\n");
caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
get_jack_location(caps));
snd_iprintf(buffer, " Conn = %s, Color = %s\n",
get_jack_connection(caps),
get_jack_color(caps));
}
static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct hda_codec *codec = entry->private_data;
char buf[32];
hda_nid_t nid;
int i, nodes;
snd_hda_get_codec_name(codec, buf, sizeof(buf));
snd_iprintf(buffer, "Codec: %s\n", buf);
snd_iprintf(buffer, "Address: %d\n", codec->addr);
snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
if (! codec->afg)
return;
snd_iprintf(buffer, "Default PCM: ");
print_pcm_caps(buffer, codec, codec->afg);
snd_iprintf(buffer, "Default Amp-In caps: ");
print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
snd_iprintf(buffer, "Default Amp-Out caps: ");
print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
if (! nid || nodes < 0) {
snd_iprintf(buffer, "Invalid AFG subtree\n");
return;
}
for (i = 0; i < nodes; i++, nid++) {
unsigned int wid_caps = snd_hda_param_read(codec, nid,
AC_PAR_AUDIO_WIDGET_CAP);
unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
int conn_len = 0;
hda_nid_t conn[HDA_MAX_CONNECTIONS];
snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
get_wid_type_name(wid_type), wid_caps);
if (wid_caps & AC_WCAP_STEREO)
snd_iprintf(buffer, " Stereo");
else
snd_iprintf(buffer, " Mono");
if (wid_caps & AC_WCAP_DIGITAL)
snd_iprintf(buffer, " Digital");
if (wid_caps & AC_WCAP_IN_AMP)
snd_iprintf(buffer, " Amp-In");
if (wid_caps & AC_WCAP_OUT_AMP)
snd_iprintf(buffer, " Amp-Out");
snd_iprintf(buffer, "\n");
if (wid_caps & AC_WCAP_CONN_LIST)
conn_len = snd_hda_get_connections(codec, nid, conn,
HDA_MAX_CONNECTIONS);
if (wid_caps & AC_WCAP_IN_AMP) {
snd_iprintf(buffer, " Amp-In caps: ");
print_amp_caps(buffer, codec, nid, HDA_INPUT);
snd_iprintf(buffer, " Amp-In vals: ");
print_amp_vals(buffer, codec, nid, HDA_INPUT,
wid_caps & AC_WCAP_STEREO, conn_len);
}
if (wid_caps & AC_WCAP_OUT_AMP) {
snd_iprintf(buffer, " Amp-Out caps: ");
print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
snd_iprintf(buffer, " Amp-Out vals: ");
print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
wid_caps & AC_WCAP_STEREO, 1);
}
if (wid_type == AC_WID_PIN) {
unsigned int pinctls;
print_pin_caps(buffer, codec, nid);
pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls);
if (pinctls & AC_PINCTL_IN_EN)
snd_iprintf(buffer, " IN");
if (pinctls & AC_PINCTL_OUT_EN)
snd_iprintf(buffer, " OUT");
if (pinctls & AC_PINCTL_HP_EN)
snd_iprintf(buffer, " HP");
snd_iprintf(buffer, "\n");
}
if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
(wid_caps & AC_WCAP_FORMAT_OVRD)) {
snd_iprintf(buffer, " PCM: ");
print_pcm_caps(buffer, codec, nid);
}
if (wid_caps & AC_WCAP_POWER)
snd_iprintf(buffer, " Power: 0x%x\n",
snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_POWER_STATE, 0));
if (wid_caps & AC_WCAP_CONN_LIST) {
int c, curr = -1;
if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
curr = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_CONNECT_SEL, 0);
snd_iprintf(buffer, " Connection: %d\n", conn_len);
snd_iprintf(buffer, " ");
for (c = 0; c < conn_len; c++) {
snd_iprintf(buffer, " 0x%02x", conn[c]);
if (c == curr)
snd_iprintf(buffer, "*");
}
snd_iprintf(buffer, "\n");
}
}
}
/*
* create a proc read
*/
int snd_hda_codec_proc_new(struct hda_codec *codec)
{
char name[32];
struct snd_info_entry *entry;
int err;
snprintf(name, sizeof(name), "codec#%d", codec->addr);
err = snd_card_proc_new(codec->bus->card, name, &entry);
if (err < 0)
return err;
snd_info_set_text_ops(entry, codec, 32 * 1024, print_codec_info);
return 0;
}
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