--- /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 <linux/init.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <linux/module.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+
+static int dump_coef = -1;
+module_param(dump_coef, int, 0644);
+MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
+
+/* always use noncached version */
+#define param_read(codec, nid, parm) \
+ snd_hdac_read_parm_uncached(&(codec)->core, nid, parm)
+
+static char *bits_names(unsigned int bits, char *names[], int size)
+{
+ int i, n;
+ static char buf[128];
+
+ for (i = 0, n = 0; i < size; i++) {
+ if (bits & (1U<<i) && names[i])
+ n += snprintf(buf + n, sizeof(buf) - n, " %s",
+ names[i]);
+ }
+ buf[n] = '\0';
+
+ return buf;
+}
+
+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",
+ };
+ if (wid_value == -1)
+ return "UNKNOWN Widget";
+ wid_value &= 0xf;
+ if (names[wid_value])
+ return names[wid_value];
+ else
+ return "UNKNOWN Widget";
+}
+
+static void print_nid_array(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+ struct snd_array *array)
+{
+ int i;
+ struct hda_nid_item *items = array->list, *item;
+ struct snd_kcontrol *kctl;
+ for (i = 0; i < array->used; i++) {
+ item = &items[i];
+ if (item->nid == nid) {
+ kctl = item->kctl;
+ snd_iprintf(buffer,
+ " Control: name=\"%s\", index=%i, device=%i\n",
+ kctl->id.name, kctl->id.index + item->index,
+ kctl->id.device);
+ if (item->flags & HDA_NID_ITEM_AMP)
+ snd_iprintf(buffer,
+ " ControlAmp: chs=%lu, dir=%s, "
+ "idx=%lu, ofs=%lu\n",
+ get_amp_channels(kctl),
+ get_amp_direction(kctl) ? "Out" : "In",
+ get_amp_index(kctl),
+ get_amp_offset(kctl));
+ }
+ }
+}
+
+static void print_nid_pcms(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ int type;
+ struct hda_pcm *cpcm;
+
+ list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
+ for (type = 0; type < 2; type++) {
+ if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
+ continue;
+ snd_iprintf(buffer, " Device: name=\"%s\", "
+ "type=\"%s\", device=%i\n",
+ cpcm->name,
+ snd_hda_pcm_type_name[cpcm->pcm_type],
+ cpcm->pcm->device);
+ }
+ }
+}
+
+static void print_amp_caps(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid, int dir)
+{
+ unsigned int caps;
+ caps = param_read(codec, nid, dir == HDA_OUTPUT ?
+ AC_PAR_AMP_OUT_CAP : 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);
+}
+
+/* is this a stereo widget or a stereo-to-mono mix? */
+static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
+ int dir, unsigned int wcaps, int indices)
+{
+ hda_nid_t conn;
+
+ if (wcaps & AC_WCAP_STEREO)
+ return true;
+ /* check for a stereo-to-mono mix; it must be:
+ * only a single connection, only for input, and only a mixer widget
+ */
+ if (indices != 1 || dir != HDA_INPUT ||
+ get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
+ return false;
+
+ if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
+ return false;
+ /* the connection source is a stereo? */
+ wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
+ return !!(wcaps & AC_WCAP_STEREO);
+}
+
+static void print_amp_vals(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+ int dir, unsigned int wcaps, int indices)
+{
+ unsigned int val;
+ bool stereo;
+ int i;
+
+ stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
+
+ dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
+ for (i = 0; i < indices; i++) {
+ snd_iprintf(buffer, " [");
+ 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);
+ if (stereo) {
+ 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, "]");
+ }
+ snd_iprintf(buffer, "\n");
+}
+
+static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
+{
+ static unsigned int rates[] = {
+ 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
+ 96000, 176400, 192000, 384000
+ };
+ int i;
+
+ pcm &= AC_SUPPCM_RATES;
+ snd_iprintf(buffer, " rates [0x%x]:", pcm);
+ for (i = 0; i < ARRAY_SIZE(rates); i++)
+ if (pcm & (1 << i))
+ snd_iprintf(buffer, " %d", rates[i]);
+ snd_iprintf(buffer, "\n");
+}
+
+static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
+{
+ char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
+
+ snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff);
+ snd_print_pcm_bits(pcm, buf, sizeof(buf));
+ snd_iprintf(buffer, "%s\n", buf);
+}
+
+static void print_pcm_formats(struct snd_info_buffer *buffer,
+ unsigned int streams)
+{
+ snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf);
+ if (streams & AC_SUPFMT_PCM)
+ snd_iprintf(buffer, " PCM");
+ if (streams & AC_SUPFMT_FLOAT32)
+ snd_iprintf(buffer, " FLOAT");
+ if (streams & AC_SUPFMT_AC3)
+ snd_iprintf(buffer, " AC3");
+ 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 = param_read(codec, nid, AC_PAR_PCM);
+ unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
+ if (pcm == -1 || stream == -1) {
+ snd_iprintf(buffer, "N/A\n");
+ return;
+ }
+ print_pcm_rates(buffer, pcm);
+ print_pcm_bits(buffer, pcm);
+ print_pcm_formats(buffer, stream);
+}
+
+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,
+ int *supports_vref)
+{
+ static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
+ unsigned int caps, val;
+
+ caps = param_read(codec, nid, AC_PAR_PIN_CAP);
+ snd_iprintf(buffer, " Pincap 0x%08x:", 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");
+ if (caps & AC_PINCAP_EAPD)
+ snd_iprintf(buffer, " EAPD");
+ if (caps & AC_PINCAP_PRES_DETECT)
+ snd_iprintf(buffer, " Detect");
+ if (caps & AC_PINCAP_BALANCE)
+ snd_iprintf(buffer, " Balanced");
+ if (caps & AC_PINCAP_HDMI) {
+ /* Realtek uses this bit as a different meaning */
+ if ((codec->core.vendor_id >> 16) == 0x10ec)
+ snd_iprintf(buffer, " R/L");
+ else {
+ if (caps & AC_PINCAP_HBR)
+ snd_iprintf(buffer, " HBR");
+ snd_iprintf(buffer, " HDMI");
+ }
+ }
+ if (caps & AC_PINCAP_DP)
+ snd_iprintf(buffer, " DP");
+ if (caps & AC_PINCAP_TRIG_REQ)
+ snd_iprintf(buffer, " Trigger");
+ if (caps & AC_PINCAP_IMP_SENSE)
+ snd_iprintf(buffer, " ImpSense");
+ snd_iprintf(buffer, "\n");
+ if (caps & AC_PINCAP_VREF) {
+ unsigned int vref =
+ (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
+ snd_iprintf(buffer, " Vref caps:");
+ if (vref & AC_PINCAP_VREF_HIZ)
+ snd_iprintf(buffer, " HIZ");
+ if (vref & AC_PINCAP_VREF_50)
+ snd_iprintf(buffer, " 50");
+ if (vref & AC_PINCAP_VREF_GRD)
+ snd_iprintf(buffer, " GRD");
+ if (vref & AC_PINCAP_VREF_80)
+ snd_iprintf(buffer, " 80");
+ if (vref & AC_PINCAP_VREF_100)
+ snd_iprintf(buffer, " 100");
+ snd_iprintf(buffer, "\n");
+ *supports_vref = 1;
+ } else
+ *supports_vref = 0;
+ if (caps & AC_PINCAP_EAPD) {
+ val = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_EAPD_BTLENABLE, 0);
+ snd_iprintf(buffer, " EAPD 0x%x:", val);
+ if (val & AC_EAPDBTL_BALANCED)
+ snd_iprintf(buffer, " BALANCED");
+ if (val & AC_EAPDBTL_EAPD)
+ snd_iprintf(buffer, " EAPD");
+ if (val & AC_EAPDBTL_LR_SWAP)
+ snd_iprintf(buffer, " R/L");
+ 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],
+ snd_hda_get_jack_type(caps),
+ snd_hda_get_jack_connectivity(caps),
+ snd_hda_get_jack_location(caps));
+ snd_iprintf(buffer, " Conn = %s, Color = %s\n",
+ get_jack_connection(caps),
+ get_jack_color(caps));
+ /* Default association and sequence values refer to default grouping
+ * of pin complexes and their sequence within the group. This is used
+ * for priority and resource allocation.
+ */
+ snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n",
+ (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
+ caps & AC_DEFCFG_SEQUENCE);
+ if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
+ AC_DEFCFG_MISC_NO_PRESENCE) {
+ /* Miscellaneous bit indicates external hardware does not
+ * support presence detection even if the pin complex
+ * indicates it is supported.
+ */
+ snd_iprintf(buffer, " Misc = NO_PRESENCE\n");
+ }
+}
+
+static void print_pin_ctls(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+ int supports_vref)
+{
+ unsigned int pinctls;
+
+ 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");
+ if (supports_vref) {
+ int vref = pinctls & AC_PINCTL_VREFEN;
+ switch (vref) {
+ case AC_PINCTL_VREF_HIZ:
+ snd_iprintf(buffer, " VREF_HIZ");
+ break;
+ case AC_PINCTL_VREF_50:
+ snd_iprintf(buffer, " VREF_50");
+ break;
+ case AC_PINCTL_VREF_GRD:
+ snd_iprintf(buffer, " VREF_GRD");
+ break;
+ case AC_PINCTL_VREF_80:
+ snd_iprintf(buffer, " VREF_80");
+ break;
+ case AC_PINCTL_VREF_100:
+ snd_iprintf(buffer, " VREF_100");
+ break;
+ }
+ }
+ snd_iprintf(buffer, "\n");
+}
+
+static void print_vol_knob(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
+ snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ",
+ (cap >> 7) & 1, cap & 0x7f);
+ cap = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
+ snd_iprintf(buffer, "direct=%d, val=%d\n",
+ (cap >> 7) & 1, cap & 0x7f);
+}
+
+static void print_audio_io(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+ unsigned int wid_type)
+{
+ int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
+ snd_iprintf(buffer,
+ " Converter: stream=%d, channel=%d\n",
+ (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
+ conv & AC_CONV_CHANNEL);
+
+ if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
+ int sdi = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_SDI_SELECT, 0);
+ snd_iprintf(buffer, " SDI-Select: %d\n",
+ sdi & AC_SDI_SELECT);
+ }
+}
+
+static void print_digital_conv(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_DIGI_CONVERT_1, 0);
+ unsigned char digi2 = digi1 >> 8;
+ unsigned char digi3 = digi1 >> 16;
+
+ snd_iprintf(buffer, " Digital:");
+ if (digi1 & AC_DIG1_ENABLE)
+ snd_iprintf(buffer, " Enabled");
+ if (digi1 & AC_DIG1_V)
+ snd_iprintf(buffer, " Validity");
+ if (digi1 & AC_DIG1_VCFG)
+ snd_iprintf(buffer, " ValidityCfg");
+ if (digi1 & AC_DIG1_EMPHASIS)
+ snd_iprintf(buffer, " Preemphasis");
+ if (digi1 & AC_DIG1_COPYRIGHT)
+ snd_iprintf(buffer, " Non-Copyright");
+ if (digi1 & AC_DIG1_NONAUDIO)
+ snd_iprintf(buffer, " Non-Audio");
+ if (digi1 & AC_DIG1_PROFESSIONAL)
+ snd_iprintf(buffer, " Pro");
+ if (digi1 & AC_DIG1_LEVEL)
+ snd_iprintf(buffer, " GenLevel");
+ if (digi3 & AC_DIG3_KAE)
+ snd_iprintf(buffer, " KAE");
+ snd_iprintf(buffer, "\n");
+ snd_iprintf(buffer, " Digital category: 0x%x\n",
+ digi2 & AC_DIG2_CC);
+ snd_iprintf(buffer, " IEC Coding Type: 0x%x\n",
+ digi3 & AC_DIG3_ICT);
+}
+
+static const char *get_pwr_state(u32 state)
+{
+ static const char * const buf[] = {
+ "D0", "D1", "D2", "D3", "D3cold"
+ };
+ if (state < ARRAY_SIZE(buf))
+ return buf[state];
+ return "UNKNOWN";
+}
+
+static void print_power_state(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ static char *names[] = {
+ [ilog2(AC_PWRST_D0SUP)] = "D0",
+ [ilog2(AC_PWRST_D1SUP)] = "D1",
+ [ilog2(AC_PWRST_D2SUP)] = "D2",
+ [ilog2(AC_PWRST_D3SUP)] = "D3",
+ [ilog2(AC_PWRST_D3COLDSUP)] = "D3cold",
+ [ilog2(AC_PWRST_S3D3COLDSUP)] = "S3D3cold",
+ [ilog2(AC_PWRST_CLKSTOP)] = "CLKSTOP",
+ [ilog2(AC_PWRST_EPSS)] = "EPSS",
+ };
+
+ int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
+ int pwr = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_POWER_STATE, 0);
+ if (sup != -1)
+ snd_iprintf(buffer, " Power states: %s\n",
+ bits_names(sup, names, ARRAY_SIZE(names)));
+
+ snd_iprintf(buffer, " Power: setting=%s, actual=%s",
+ get_pwr_state(pwr & AC_PWRST_SETTING),
+ get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
+ AC_PWRST_ACTUAL_SHIFT));
+ if (pwr & AC_PWRST_ERROR)
+ snd_iprintf(buffer, ", Error");
+ if (pwr & AC_PWRST_CLK_STOP_OK)
+ snd_iprintf(buffer, ", Clock-stop-OK");
+ if (pwr & AC_PWRST_SETTING_RESET)
+ snd_iprintf(buffer, ", Setting-reset");
+ snd_iprintf(buffer, "\n");
+}
+
+static void print_unsol_cap(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ int unsol = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
+ snd_iprintf(buffer,
+ " Unsolicited: tag=%02x, enabled=%d\n",
+ unsol & AC_UNSOL_TAG,
+ (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
+}
+
+static inline bool can_dump_coef(struct hda_codec *codec)
+{
+ switch (dump_coef) {
+ case 0: return false;
+ case 1: return true;
+ default: return codec->dump_coef;
+ }
+}
+
+static void print_proc_caps(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ unsigned int i, ncoeff, oldindex;
+ unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
+ ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
+ snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
+ proc_caps & AC_PCAP_BENIGN, ncoeff);
+
+ if (!can_dump_coef(codec))
+ return;
+
+ /* Note: This is racy - another process could run in parallel and change
+ the coef index too. */
+ oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
+ for (i = 0; i < ncoeff; i++) {
+ unsigned int val;
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
+ val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
+ 0);
+ snd_iprintf(buffer, " Coeff 0x%02x: 0x%04x\n", i, val);
+ }
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
+}
+
+static void print_conn_list(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+ unsigned int wid_type, hda_nid_t *conn,
+ int conn_len)
+{
+ int c, curr = -1;
+ const hda_nid_t *list;
+ int cache_len;
+
+ if (conn_len > 1 &&
+ wid_type != AC_WID_AUD_MIX &&
+ wid_type != AC_WID_VOL_KNB &&
+ wid_type != AC_WID_POWER)
+ curr = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_CONNECT_SEL, 0);
+ snd_iprintf(buffer, " Connection: %d\n", conn_len);
+ if (conn_len > 0) {
+ 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");
+ }
+
+ /* Get Cache connections info */
+ cache_len = snd_hda_get_conn_list(codec, nid, &list);
+ if (cache_len >= 0 && (cache_len != conn_len ||
+ memcmp(list, conn, conn_len) != 0)) {
+ snd_iprintf(buffer, " In-driver Connection: %d\n", cache_len);
+ if (cache_len > 0) {
+ snd_iprintf(buffer, " ");
+ for (c = 0; c < cache_len; c++)
+ snd_iprintf(buffer, " 0x%02x", list[c]);
+ snd_iprintf(buffer, "\n");
+ }
+ }
+}
+
+static void print_gpio(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ unsigned int gpio =
+ param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
+ unsigned int enable, direction, wake, unsol, sticky, data;
+ int i, max;
+ snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
+ "unsolicited=%d, wake=%d\n",
+ gpio & AC_GPIO_IO_COUNT,
+ (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
+ (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
+ (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
+ (gpio & AC_GPIO_WAKE) ? 1 : 0);
+ max = gpio & AC_GPIO_IO_COUNT;
+ if (!max || max > 8)
+ return;
+ enable = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_GPIO_MASK, 0);
+ direction = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_GPIO_DIRECTION, 0);
+ wake = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_GPIO_WAKE_MASK, 0);
+ unsol = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
+ sticky = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_GPIO_STICKY_MASK, 0);
+ data = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_GPIO_DATA, 0);
+ for (i = 0; i < max; ++i)
+ snd_iprintf(buffer,
+ " IO[%d]: enable=%d, dir=%d, wake=%d, "
+ "sticky=%d, data=%d, unsol=%d\n", i,
+ (enable & (1<<i)) ? 1 : 0,
+ (direction & (1<<i)) ? 1 : 0,
+ (wake & (1<<i)) ? 1 : 0,
+ (sticky & (1<<i)) ? 1 : 0,
+ (data & (1<<i)) ? 1 : 0,
+ (unsol & (1<<i)) ? 1 : 0);
+ /* FIXME: add GPO and GPI pin information */
+ print_nid_array(buffer, codec, nid, &codec->mixers);
+ print_nid_array(buffer, codec, nid, &codec->nids);
+}
+
+static void print_device_list(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ int i, curr = -1;
+ u8 dev_list[AC_MAX_DEV_LIST_LEN];
+ int devlist_len;
+
+ devlist_len = snd_hda_get_devices(codec, nid, dev_list,
+ AC_MAX_DEV_LIST_LEN);
+ snd_iprintf(buffer, " Devices: %d\n", devlist_len);
+ if (devlist_len <= 0)
+ return;
+
+ curr = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_DEVICE_SEL, 0);
+
+ for (i = 0; i < devlist_len; i++) {
+ if (i == curr)
+ snd_iprintf(buffer, " *");
+ else
+ snd_iprintf(buffer, " ");
+
+ snd_iprintf(buffer,
+ "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
+ !!(dev_list[i] & AC_DE_PD),
+ !!(dev_list[i] & AC_DE_ELDV),
+ !!(dev_list[i] & AC_DE_IA));
+ }
+}
+
+static void print_codec_core_info(struct hdac_device *codec,
+ struct snd_info_buffer *buffer)
+{
+ snd_iprintf(buffer, "Codec: ");
+ if (codec->vendor_name && codec->chip_name)
+ snd_iprintf(buffer, "%s %s\n",
+ codec->vendor_name, codec->chip_name);
+ else
+ snd_iprintf(buffer, "Not Set\n");
+ snd_iprintf(buffer, "Address: %d\n", codec->addr);
+ if (codec->afg)
+ snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
+ codec->afg_function_id, codec->afg_unsol);
+ if (codec->mfg)
+ snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
+ codec->mfg_function_id, codec->mfg_unsol);
+ snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
+ snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
+ snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
+
+ if (codec->mfg)
+ snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
+ else
+ snd_iprintf(buffer, "No Modem Function Group found\n");
+}
+
+static void print_codec_info(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct hda_codec *codec = entry->private_data;
+ hda_nid_t nid, fg;
+ int i, nodes;
+
+ print_codec_core_info(&codec->core, buffer);
+ fg = codec->core.afg;
+ if (!fg)
+ return;
+ snd_hda_power_up(codec);
+ snd_iprintf(buffer, "Default PCM:\n");
+ print_pcm_caps(buffer, codec, fg);
+ snd_iprintf(buffer, "Default Amp-In caps: ");
+ print_amp_caps(buffer, codec, fg, HDA_INPUT);
+ snd_iprintf(buffer, "Default Amp-Out caps: ");
+ print_amp_caps(buffer, codec, fg, HDA_OUTPUT);
+ snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg);
+ print_power_state(buffer, codec, fg);
+
+ nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
+ if (! nid || nodes < 0) {
+ snd_iprintf(buffer, "Invalid AFG subtree\n");
+ snd_hda_power_down(codec);
+ return;
+ }
+
+ print_gpio(buffer, codec, fg);
+ if (codec->proc_widget_hook)
+ codec->proc_widget_hook(buffer, codec, fg);
+
+ for (i = 0; i < nodes; i++, nid++) {
+ unsigned int wid_caps =
+ param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
+ unsigned int wid_type = get_wcaps_type(wid_caps);
+ hda_nid_t *conn = NULL;
+ int conn_len = 0;
+
+ 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) {
+ unsigned int chans = get_wcaps_channels(wid_caps);
+ if (chans == 2)
+ snd_iprintf(buffer, " Stereo");
+ else
+ snd_iprintf(buffer, " %d-Channels", chans);
+ } 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");
+ if (wid_caps & AC_WCAP_STRIPE)
+ snd_iprintf(buffer, " Stripe");
+ if (wid_caps & AC_WCAP_LR_SWAP)
+ snd_iprintf(buffer, " R/L");
+ if (wid_caps & AC_WCAP_CP_CAPS)
+ snd_iprintf(buffer, " CP");
+ snd_iprintf(buffer, "\n");
+
+ print_nid_array(buffer, codec, nid, &codec->mixers);
+ print_nid_array(buffer, codec, nid, &codec->nids);
+ print_nid_pcms(buffer, codec, nid);
+
+ /* volume knob is a special widget that always have connection
+ * list
+ */
+ if (wid_type == AC_WID_VOL_KNB)
+ wid_caps |= AC_WCAP_CONN_LIST;
+
+ if (wid_caps & AC_WCAP_CONN_LIST) {
+ conn_len = snd_hda_get_num_raw_conns(codec, nid);
+ if (conn_len > 0) {
+ conn = kmalloc(sizeof(hda_nid_t) * conn_len,
+ GFP_KERNEL);
+ if (!conn)
+ return;
+ if (snd_hda_get_raw_connections(codec, nid, conn,
+ conn_len) < 0)
+ conn_len = 0;
+ }
+ }
+
+ 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: ");
+ if (wid_type == AC_WID_PIN ||
+ (codec->single_adc_amp &&
+ wid_type == AC_WID_AUD_IN))
+ print_amp_vals(buffer, codec, nid, HDA_INPUT,
+ wid_caps, 1);
+ else
+ print_amp_vals(buffer, codec, nid, HDA_INPUT,
+ wid_caps, 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: ");
+ if (wid_type == AC_WID_PIN &&
+ codec->pin_amp_workaround)
+ print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
+ wid_caps, conn_len);
+ else
+ print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
+ wid_caps, 1);
+ }
+
+ switch (wid_type) {
+ case AC_WID_PIN: {
+ int supports_vref;
+ print_pin_caps(buffer, codec, nid, &supports_vref);
+ print_pin_ctls(buffer, codec, nid, supports_vref);
+ break;
+ }
+ case AC_WID_VOL_KNB:
+ print_vol_knob(buffer, codec, nid);
+ break;
+ case AC_WID_AUD_OUT:
+ case AC_WID_AUD_IN:
+ print_audio_io(buffer, codec, nid, wid_type);
+ if (wid_caps & AC_WCAP_DIGITAL)
+ print_digital_conv(buffer, codec, nid);
+ if (wid_caps & AC_WCAP_FORMAT_OVRD) {
+ snd_iprintf(buffer, " PCM:\n");
+ print_pcm_caps(buffer, codec, nid);
+ }
+ break;
+ }
+
+ if (wid_caps & AC_WCAP_UNSOL_CAP)
+ print_unsol_cap(buffer, codec, nid);
+
+ if (wid_caps & AC_WCAP_POWER)
+ print_power_state(buffer, codec, nid);
+
+ if (wid_caps & AC_WCAP_DELAY)
+ snd_iprintf(buffer, " Delay: %d samples\n",
+ (wid_caps & AC_WCAP_DELAY) >>
+ AC_WCAP_DELAY_SHIFT);
+
+ if (wid_type == AC_WID_PIN && codec->dp_mst)
+ print_device_list(buffer, codec, nid);
+
+ if (wid_caps & AC_WCAP_CONN_LIST)
+ print_conn_list(buffer, codec, nid, wid_type,
+ conn, conn_len);
+
+ if (wid_caps & AC_WCAP_PROC_WID)
+ print_proc_caps(buffer, codec, nid);
+
+ if (codec->proc_widget_hook)
+ codec->proc_widget_hook(buffer, codec, nid);
+
+ kfree(conn);
+ }
+ snd_hda_power_down(codec);
+}
+
+/*
+ * 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->core.addr);
+ err = snd_card_proc_new(codec->card, name, &entry);
+ if (err < 0)
+ return err;
+
+ snd_info_set_text_ops(entry, codec, print_codec_info);
+ return 0;
+}
+
Code Review / kvmfornfv.git / blobdiff