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path: root/sound/pci/hda/hda_proc.c
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Diffstat (limited to 'sound/pci/hda/hda_proc.c')
-rw-r--r--sound/pci/hda/hda_proc.c117
1 files changed, 105 insertions, 12 deletions
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index 045e5d32f5d..ce5a6da8341 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -22,10 +22,16 @@
*/
#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)");
+
static char *bits_names(unsigned int bits, char *names[], int size)
{
int i, n;
@@ -138,16 +144,17 @@ static void print_amp_vals(struct snd_info_buffer *buffer,
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_LEFT | dir | i);
- snd_iprintf(buffer, "0x%02x ", val);
+ AC_AMP_GET_RIGHT | 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, "]");
}
snd_iprintf(buffer, "\n");
}
@@ -486,14 +493,39 @@ static void print_unsol_cap(struct snd_info_buffer *buffer,
(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 = snd_hda_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,
- (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
+ 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,
@@ -502,6 +534,8 @@ static void print_conn_list(struct snd_info_buffer *buffer,
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 &&
@@ -519,6 +553,19 @@ static void print_conn_list(struct snd_info_buffer *buffer,
}
snd_iprintf(buffer, "\n");
}
+
+ /* Get Cache connections info */
+ cache_len = snd_hda_get_conn_list(codec, nid, &list);
+ if (cache_len != conn_len
+ || memcmp(list, conn, conn_len)) {
+ 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,
@@ -565,6 +612,36 @@ static void print_gpio(struct snd_info_buffer *buffer,
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_info(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
@@ -603,6 +680,8 @@ static void print_codec_info(struct snd_info_entry *entry,
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);
+ snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
+ print_power_state(buffer, codec, codec->afg);
nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
if (! nid || nodes < 0) {
@@ -620,7 +699,7 @@ static void print_codec_info(struct snd_info_entry *entry,
snd_hda_param_read(codec, nid,
AC_PAR_AUDIO_WIDGET_CAP);
unsigned int wid_type = get_wcaps_type(wid_caps);
- hda_nid_t conn[HDA_MAX_CONNECTIONS];
+ hda_nid_t *conn = NULL;
int conn_len = 0;
snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
@@ -657,9 +736,18 @@ static void print_codec_info(struct snd_info_entry *entry,
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_raw_connections(codec, nid, conn,
- HDA_MAX_CONNECTIONS);
+ 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: ");
@@ -723,6 +811,9 @@ static void print_codec_info(struct snd_info_entry *entry,
(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);
@@ -732,6 +823,8 @@ static void print_codec_info(struct snd_info_entry *entry,
if (codec->proc_widget_hook)
codec->proc_widget_hook(buffer, codec, nid);
+
+ kfree(conn);
}
snd_hda_power_down(codec);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:39:24 +0000