--- /dev/null
+/*
+ * 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"
+
+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(snd_info_buffer_t *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(snd_info_buffer_t *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+ int dir, int stereo)
+{
+ unsigned int val;
+ if (stereo) {
+ val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
+ AC_AMP_GET_LEFT |
+ (dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT :
+ AC_AMP_GET_INPUT));
+ 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 == HDA_OUTPUT ? AC_AMP_GET_OUTPUT :
+ AC_AMP_GET_INPUT));
+ snd_iprintf(buffer, "0x%02x\n", val);
+}
+
+static void print_pcm_caps(snd_info_buffer_t *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(snd_info_buffer_t *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ 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 at %s %s\n", caps,
+ 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(snd_info_entry_t *entry, snd_info_buffer_t *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);
+ 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;
+ 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_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);
+ }
+ 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);
+ }
+
+ 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_CONN_LIST) {
+ hda_nid_t conn[HDA_MAX_CONNECTIONS];
+ int c, conn_len;
+ conn_len = snd_hda_get_connections(codec, nid, conn,
+ HDA_MAX_CONNECTIONS);
+ 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]);
+ snd_iprintf(buffer, "\n");
+ }
+ }
+}
+
+/*
+ * create a proc read
+ */
+int snd_hda_codec_proc_new(struct hda_codec *codec)
+{
+ char name[32];
+ snd_info_entry_t *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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