[alsa-devel] [PATCH 5/30] ALSA HDA VIA: Add VIA_CTL_WIDGET_ANALOG_MUTE control type
Logan Li
loganli at viatech.com.cn
Sat Oct 10 13:07:35 CEST 2009
From: Lydia Wang <lydiawang at viatech.com.cn>
Subject: ALSA HDA VIA: Add VIA_CTL_WIDGET_ANALOG_MUTE control type
Enter low power state if AA-Path volume is muted.
Signed-off-by: Lydia Wang <lydiawang at viatech.com.cn>
Signed-off-by: Logan Li <loganli at viatech.com.cn>
---
sound/pci/hda/patch_via.c | 240 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 239 insertions(+), 1 deletion(-)
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -128,6 +128,7 @@
enum {
VIA_CTL_WIDGET_VOL,
VIA_CTL_WIDGET_MUTE,
+ VIA_CTL_WIDGET_ANALOG_MUTE,
};
enum {
@@ -177,9 +178,34 @@
return 0;
}
+static void analog_low_current_mode(struct hda_codec *codec, int stream_idle);
+static void set_jack_power_state(struct hda_codec *codec);
+
+static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int change = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ set_jack_power_state(codec);
+ analog_low_current_mode(snd_kcontrol_chip(kcontrol), -1);
+ return change;
+}
+
+/* modify .put = snd_hda_mixer_amp_switch_put */
+#define ANALOG_INPUT_MUTE \
+ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = NULL, \
+ .index = 0, \
+ .info = snd_hda_mixer_amp_switch_info, \
+ .get = snd_hda_mixer_amp_switch_get, \
+ .put = analog_input_switch_put, \
+ .private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0) }
+
static struct snd_kcontrol_new vt1708_control_templates[] = {
HDA_CODEC_VOLUME(NULL, 0, 0, 0),
HDA_CODEC_MUTE(NULL, 0, 0, 0),
+ ANALOG_INPUT_MUTE,
};
@@ -303,7 +329,7 @@
if (err < 0)
return err;
sprintf(name, "%s Playback Switch", ctlname);
- err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
+ err = via_add_control(spec, VIA_CTL_WIDGET_ANALOG_MUTE, name,
HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
if (err < 0)
return err;
@@ -362,6 +388,131 @@
}
}
+
+static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int *affected_parm)
+{
+ unsigned parm;
+ unsigned def_conf = snd_hda_codec_get_pincfg(codec, nid);
+ unsigned no_presence = (def_conf & AC_DEFCFG_MISC)
+ >> AC_DEFCFG_MISC_SHIFT
+ & AC_DEFCFG_MISC_NO_PRESENCE; /* do not support pin sense */
+ unsigned present = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_PIN_SENSE, 0) >> 31;
+
+ if ((no_presence || present) && get_defcfg_connect(def_conf)
+ != AC_JACK_PORT_NONE) {
+ *affected_parm = AC_PWRST_D0; /* if it's connected */
+ parm = AC_PWRST_D0;
+ } else
+ parm = AC_PWRST_D3;
+
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
+}
+
+static void set_jack_power_state(struct hda_codec *codec)
+{
+ struct via_spec *spec = codec->spec;
+ int imux_is_smixer;
+ unsigned int parm;
+
+ if (spec->codec_type == VT1702) {
+ imux_is_smixer = snd_hda_codec_read(
+ codec, 0x13, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
+ /* inputs */
+ /* PW 1/2/5 (14h/15h/18h) */
+ parm = AC_PWRST_D3;
+ set_pin_power_state(codec, 0x14, &parm);
+ set_pin_power_state(codec, 0x15, &parm);
+ set_pin_power_state(codec, 0x18, &parm);
+ if (imux_is_smixer)
+ parm = AC_PWRST_D0; /* SW0 = stereo mixer (idx 3) */
+ /* SW0 (13h), AIW 0/1/2 (12h/1fh/20h) */
+ snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x12, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+
+ /* outputs */
+ /* PW 3/4 (16h/17h) */
+ parm = AC_PWRST_D3;
+ set_pin_power_state(codec, 0x16, &parm);
+ set_pin_power_state(codec, 0x17, &parm);
+ /* MW0 (1ah), AOW 0/1 (10h/1dh) */
+ snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE,
+ imux_is_smixer ? AC_PWRST_D0 : parm);
+ snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ } else if (spec->codec_type == VT1708B_8CH
+ || spec->codec_type == VT1708B_4CH
+ || spec->codec_type == VT1708S) {
+ /* SW0 (17h) = stereo mixer */
+ int is_8ch = spec->codec_type != VT1708B_4CH;
+ imux_is_smixer = snd_hda_codec_read(
+ codec, 0x17, 0, AC_VERB_GET_CONNECT_SEL, 0x00)
+ == ((spec->codec_type == VT1708S) ? 5 : 0);
+ /* inputs */
+ /* PW 1/2/5 (1ah/1bh/1eh) */
+ parm = AC_PWRST_D3;
+ set_pin_power_state(codec, 0x1a, &parm);
+ set_pin_power_state(codec, 0x1b, &parm);
+ set_pin_power_state(codec, 0x1e, &parm);
+ if (imux_is_smixer)
+ parm = AC_PWRST_D0;
+ /* SW0 (17h), AIW 0/1 (13h/14h) */
+ snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+
+ /* outputs */
+ /* PW0 (19h), SW1 (18h), AOW1 (11h) */
+ parm = AC_PWRST_D3;
+ set_pin_power_state(codec, 0x19, &parm);
+ snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+
+ /* PW6 (22h), SW2 (26h), AOW2 (24h) */
+ if (is_8ch) {
+ parm = AC_PWRST_D3;
+ set_pin_power_state(codec, 0x22, &parm);
+ snd_hda_codec_write(codec, 0x26, 0,
+ AC_VERB_SET_POWER_STATE, parm);
+ snd_hda_codec_write(codec, 0x24, 0,
+ AC_VERB_SET_POWER_STATE, parm);
+ }
+
+ /* PW 3/4/7 (1ch/1dh/23h) */
+ parm = AC_PWRST_D3;
+ /* force to D0 for internal Speaker */
+ set_pin_power_state(codec, 0x1c, &parm);
+ set_pin_power_state(codec, 0x1d, &parm);
+ if (is_8ch)
+ set_pin_power_state(codec, 0x23, &parm);
+ /* MW0 (16h), Sw3 (27h), AOW 0/3 (10h/25h) */
+ snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE,
+ imux_is_smixer ? AC_PWRST_D0 : parm);
+ snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE,
+ parm);
+ if (is_8ch) {
+ snd_hda_codec_write(codec, 0x25, 0,
+ AC_VERB_SET_POWER_STATE, parm);
+ snd_hda_codec_write(codec, 0x27, 0,
+ AC_VERB_SET_POWER_STATE, parm);
+ }
+ }
+}
+
/*
* input MUX handling
*/
@@ -504,6 +655,93 @@
},
{ } /* end */
};
+
+/* check AA path's mute statue */
+static int is_aa_path_mute(struct hda_codec *codec)
+{
+ int mute = 1;
+ hda_nid_t nid_mixer;
+ int start_idx;
+ int end_idx;
+ int i;
+ struct via_spec *spec = codec->spec;
+ /* get nid of MW0 and start & end index */
+ switch (spec->codec_type) {
+ case VT1708B_8CH:
+ case VT1708B_4CH:
+ case VT1708S:
+ nid_mixer = 0x16;
+ start_idx = 2;
+ end_idx = 4;
+ break;
+ case VT1702:
+ nid_mixer = 0x1a;
+ start_idx = 1;
+ end_idx = 3;
+ break;
+ default:
+ return 0;
+ }
+ /* check AA path's mute status */
+ for (i = start_idx; i <= end_idx; i++) {
+ unsigned int con_list = snd_hda_codec_read(
+ codec, nid_mixer, 0, AC_VERB_GET_CONNECT_LIST, i/4*4);
+ int shift = 8 * (i % 4);
+ hda_nid_t nid_pin = (con_list & (0xff << shift)) >> shift;
+ unsigned int defconf = snd_hda_codec_get_pincfg(codec, nid_pin);
+ if (get_defcfg_connect(defconf) == AC_JACK_PORT_COMPLEX) {
+ /* check mute status while the pin is connected */
+ int mute_l = snd_hda_codec_amp_read(codec, nid_mixer, 0,
+ HDA_INPUT, i) >> 7;
+ int mute_r = snd_hda_codec_amp_read(codec, nid_mixer, 1,
+ HDA_INPUT, i) >> 7;
+ if (!mute_l || !mute_r) {
+ mute = 0;
+ break;
+ }
+ }
+ }
+ return mute;
+}
+
+/* enter/exit analog low-current mode */
+static void analog_low_current_mode(struct hda_codec *codec, int stream_idle)
+{
+ struct via_spec *spec = codec->spec;
+ static int saved_stream_idle = 1; /* saved stream idle status */
+ int enable = is_aa_path_mute(codec);
+ unsigned int verb = 0;
+ unsigned int parm = 0;
+
+ if (stream_idle == -1) /* stream status did not change */
+ enable = enable && saved_stream_idle;
+ else {
+ enable = enable && stream_idle;
+ saved_stream_idle = stream_idle;
+ }
+
+ /* decide low current mode's verb & parameter */
+ switch (spec->codec_type) {
+ case VT1708B_8CH:
+ case VT1708B_4CH:
+ verb = 0xf70;
+ parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
+ break;
+ case VT1708S:
+ verb = 0xf73;
+ parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
+ break;
+ case VT1702:
+ verb = 0xf73;
+ parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
+ break;
+ default:
+ return; /* other codecs are not supported */
+ }
+ /* send verb */
+ snd_hda_codec_write(codec, codec->afg, 0, verb, parm);
+}
+
/*
* generic initialization of ADC, input mixers and output mixers
*/
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