ALSA HDA VIA: Add VIA_CTL_WIDGET_ANALOG_MUTE control type
authorLydia Wang <lydiawang@viatech.com.cn>
Sat, 10 Oct 2009 11:07:35 +0000 (19:07 +0800)
committerTakashi Iwai <tiwai@suse.de>
Sun, 11 Oct 2009 15:54:47 +0000 (17:54 +0200)
Enter low power state if AA-Path volume is muted.

Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Logan Li <loganli@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_via.c

index e626989..d6bee62 100644 (file)
@@ -128,6 +128,7 @@ static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
 enum {
        VIA_CTL_WIDGET_VOL,
        VIA_CTL_WIDGET_MUTE,
+       VIA_CTL_WIDGET_ANALOG_MUTE,
 };
 
 enum {
@@ -177,9 +178,34 @@ static int mic_boost_volume_info(struct snd_kcontrol *kcontrol,
        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 @@ static int via_new_analog_input(struct via_spec *spec, hda_nid_t pin,
        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 via_auto_init_analog_input(struct hda_codec *codec)
 
        }
 }
+
+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 @@ static struct snd_kcontrol_new vt1708_capture_mixer[] = {
        },
        { } /* 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
  */