]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - sound/pci/ac97/ac97_patch.c
[ALSA] ac97 - Add virtual master control to VT1616/VT1617A codec.
[linux-2.6-omap-h63xx.git] / sound / pci / ac97 / ac97_patch.c
index 98c8b727b62b8c006f040a711125cac1f2a50ba6..92817f7d46d28c707e56b87899e3b4a73bf2ee92 100644 (file)
@@ -114,10 +114,9 @@ static int ac97_surround_jack_mode_put(struct snd_kcontrol *kcontrol, struct snd
 
 static int ac97_channel_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
-       static const char *texts[] = { "2ch", "4ch", "6ch" };
-       if (kcontrol->private_value)
-               return ac97_enum_text_info(kcontrol, uinfo, texts, 2); /* 4ch only */
-       return ac97_enum_text_info(kcontrol, uinfo, texts, 3);
+       static const char *texts[] = { "2ch", "4ch", "6ch", "8ch" };
+       return ac97_enum_text_info(kcontrol, uinfo, texts,
+               kcontrol->private_value);
 }
 
 static int ac97_channel_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
@@ -133,6 +132,9 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
        struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        unsigned char mode = ucontrol->value.enumerated.item[0];
 
+       if (mode >= kcontrol->private_value)
+               return -EINVAL;
+
        if (mode != ac97->channel_mode) {
                ac97->channel_mode = mode;
                if (ac97->build_ops->update_jacks)
@@ -150,6 +152,7 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
                .get = ac97_surround_jack_mode_get, \
                .put = ac97_surround_jack_mode_put, \
        }
+/* 6ch */
 #define AC97_CHANNEL_MODE_CTL \
        { \
                .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, \
@@ -157,7 +160,9 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
                .info = ac97_channel_mode_info, \
                .get = ac97_channel_mode_get, \
                .put = ac97_channel_mode_put, \
+               .private_value = 3, \
        }
+/* 4ch */
 #define AC97_CHANNEL_MODE_4CH_CTL \
        { \
                .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, \
@@ -165,7 +170,17 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
                .info = ac97_channel_mode_info, \
                .get = ac97_channel_mode_get, \
                .put = ac97_channel_mode_put, \
-               .private_value = 1, \
+               .private_value = 2, \
+       }
+/* 8ch */
+#define AC97_CHANNEL_MODE_8CH_CTL \
+       { \
+               .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, \
+               .name   = "Channel Mode", \
+               .info = ac97_channel_mode_info, \
+               .get = ac97_channel_mode_get, \
+               .put = ac97_channel_mode_put, \
+               .private_value = 4, \
        }
 
 static inline int is_surround_on(struct snd_ac97 *ac97)
@@ -202,6 +217,10 @@ static inline int is_shared_micin(struct snd_ac97 *ac97)
        return !ac97->indep_surround && !is_clfe_on(ac97);
 }
 
+static inline int alc850_is_aux_back_surround(struct snd_ac97 *ac97)
+{
+       return is_surround_on(ac97);
+}
 
 /* The following snd_ac97_ymf753_... items added by David Shust (dshust@shustring.com) */
 /* Modified for YMF743 by Keita Maehara <maehara@debian.org> */
@@ -1952,6 +1971,9 @@ static int snd_ac97_ad1888_lohpsel_get(struct snd_kcontrol *kcontrol, struct snd
 
        val = ac97->regs[AC97_AD_MISC];
        ucontrol->value.integer.value[0] = !(val & AC97_AD198X_LOSEL);
+       if (ac97->spec.ad18xx.lo_as_master)
+               ucontrol->value.integer.value[0] =
+                       !ucontrol->value.integer.value[0];
        return 0;
 }
 
@@ -1960,8 +1982,10 @@ static int snd_ac97_ad1888_lohpsel_put(struct snd_kcontrol *kcontrol, struct snd
        struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        unsigned short val;
 
-       val = !ucontrol->value.integer.value[0]
-               ? (AC97_AD198X_LOSEL | AC97_AD198X_HPSEL) : 0;
+       val = !ucontrol->value.integer.value[0];
+       if (ac97->spec.ad18xx.lo_as_master)
+               val = !val;
+       val = val ? (AC97_AD198X_LOSEL | AC97_AD198X_HPSEL) : 0;
        return snd_ac97_update_bits(ac97, AC97_AD_MISC,
                                    AC97_AD198X_LOSEL | AC97_AD198X_HPSEL, val);
 }
@@ -2012,7 +2036,7 @@ static void ad1888_update_jacks(struct snd_ac97 *ac97)
 {
        unsigned short val = 0;
        /* clear LODIS if shared jack is to be used for Surround out */
-       if (is_shared_linein(ac97))
+       if (!ac97->spec.ad18xx.lo_as_master && is_shared_linein(ac97))
                val |= (1 << 12);
        /* clear CLDIS if shared jack is to be used for C/LFE out */
        if (is_shared_micin(ac97))
@@ -2048,9 +2072,13 @@ static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
 
 static int patch_ad1888_specific(struct snd_ac97 *ac97)
 {
-       /* rename 0x04 as "Master" and 0x02 as "Master Surround" */
-       snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Master Surround Playback");
-       snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
+       if (!ac97->spec.ad18xx.lo_as_master) {
+               /* rename 0x04 as "Master" and 0x02 as "Master Surround" */
+               snd_ac97_rename_vol_ctl(ac97, "Master Playback",
+                                       "Master Surround Playback");
+               snd_ac97_rename_vol_ctl(ac97, "Headphone Playback",
+                                       "Master Playback");
+       }
        return patch_build_controls(ac97, snd_ac97_ad1888_controls, ARRAY_SIZE(snd_ac97_ad1888_controls));
 }
 
@@ -2069,16 +2097,27 @@ static int patch_ad1888(struct snd_ac97 * ac97)
        
        patch_ad1881(ac97);
        ac97->build_ops = &patch_ad1888_build_ops;
-       /* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
-       /* it seems that most vendors connect line-out connector to headphone out of AC'97 */
+
+       /*
+        * LO can be used as a real line-out on some devices,
+        * and we need to revert the front/surround mixer switches
+        */
+       if (ac97->subsystem_vendor == 0x1043 &&
+           ac97->subsystem_device == 0x1193) /* ASUS A9T laptop */
+               ac97->spec.ad18xx.lo_as_master = 1;
+
+       misc = snd_ac97_read(ac97, AC97_AD_MISC);
        /* AD-compatible mode */
        /* Stereo mutes enabled */
-       misc = snd_ac97_read(ac97, AC97_AD_MISC);
-       snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
-                            AC97_AD198X_LOSEL |
-                            AC97_AD198X_HPSEL |
-                            AC97_AD198X_MSPLT |
-                            AC97_AD198X_AC97NC);
+       misc |= AC97_AD198X_MSPLT | AC97_AD198X_AC97NC;
+       if (!ac97->spec.ad18xx.lo_as_master)
+               /* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
+               /* it seems that most vendors connect line-out connector to
+                * headphone out of AC'97
+                */
+               misc |= AC97_AD198X_LOSEL | AC97_AD198X_HPSEL;
+
+       snd_ac97_write_cache(ac97, AC97_AD_MISC, misc);
        ac97->flags |= AC97_STEREO_MUTES;
        return 0;
 }
@@ -2142,8 +2181,7 @@ static int snd_ac97_ad1985_vrefout_put(struct snd_kcontrol *kcontrol,
        struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        unsigned short val;
 
-       if (ucontrol->value.enumerated.item[0] > 3
-           || ucontrol->value.enumerated.item[0] < 0)
+       if (ucontrol->value.enumerated.item[0] > 3)
                return -EINVAL;
        val = ctrl2reg[ucontrol->value.enumerated.item[0]]
              << AC97_AD198X_VREF_SHIFT;
@@ -2809,10 +2847,12 @@ static int patch_alc655(struct snd_ac97 * ac97)
 
 #define AC97_ALC850_JACK_SELECT        0x76
 #define AC97_ALC850_MISC1      0x7a
+#define AC97_ALC850_MULTICH    0x6a
 
 static void alc850_update_jacks(struct snd_ac97 *ac97)
 {
        int shared;
+       int aux_is_back_surround;
        
        /* shared Line-In / Surround Out */
        shared = is_shared_surrout(ac97);
@@ -2830,13 +2870,18 @@ static void alc850_update_jacks(struct snd_ac97 *ac97)
        /* MIC-IN = 1, CENTER-LFE = 5 */
        snd_ac97_update_bits(ac97, AC97_ALC850_JACK_SELECT, 7 << 4,
                             shared ? (5<<4) : (1<<4));
+
+       aux_is_back_surround = alc850_is_aux_back_surround(ac97);
+       /* Aux is Back Surround */
+       snd_ac97_update_bits(ac97, AC97_ALC850_MULTICH, 1 << 10,
+                                aux_is_back_surround ? (1<<10) : (0<<10));
 }
 
 static const struct snd_kcontrol_new snd_ac97_controls_alc850[] = {
        AC97_PAGE_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0, 0),
        AC97_SINGLE("Mic Front Input Switch", AC97_ALC850_JACK_SELECT, 15, 1, 1),
        AC97_SURROUND_JACK_MODE_CTL,
-       AC97_CHANNEL_MODE_CTL,
+       AC97_CHANNEL_MODE_8CH_CTL,
 };
 
 static int patch_alc850_specific(struct snd_ac97 *ac97)
@@ -2862,6 +2907,7 @@ static int patch_alc850(struct snd_ac97 *ac97)
        ac97->build_ops = &patch_alc850_ops;
 
        ac97->spec.dev_flags = 0; /* for IEC958 playback route - ALC655 compatible */
+       ac97->flags |= AC97_HAS_8CH;
 
        /* assume only page 0 for writing cache */
        snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, AC97_PAGE_VENDOR);
@@ -2871,6 +2917,7 @@ static int patch_alc850(struct snd_ac97 *ac97)
           spdif-in monitor off, spdif-in PCM off
           center on mic off, surround on line-in off
           duplicate front off
+          NB default bit 10=0 = Aux is Capture, not Back Surround
        */
        snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 1<<15);
        /* SURR_OUT: on, Surr 1kOhm: on, Surr Amp: off, Front 1kOhm: off
@@ -3305,8 +3352,66 @@ AC97_SINGLE("Downmix LFE and Center to Front", 0x5a, 12, 1, 0),
 AC97_SINGLE("Downmix Surround to Front", 0x5a, 11, 1, 0),
 };
 
+static const char *slave_vols_vt1616[] = {
+       "Front Playback Volume",
+       "Surround Playback Volume",
+       "Center Playback Volume",
+       "LFE Playback Volume",
+       NULL
+};
+
+static const char *slave_sws_vt1616[] = {
+       "Front Playback Switch",
+       "Surround Playback Switch",
+       "Center Playback Switch",
+       "LFE Playback Switch",
+       NULL
+};
+
+/* find a mixer control element with the given name */
+static struct snd_kcontrol *snd_ac97_find_mixer_ctl(struct snd_ac97 *ac97,
+                                                   const char *name)
+{
+       struct snd_ctl_elem_id id;
+       memset(&id, 0, sizeof(id));
+       id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+       strcpy(id.name, name);
+       return snd_ctl_find_id(ac97->bus->card, &id);
+}
+
+/* create a virtual master control and add slaves */
+int snd_ac97_add_vmaster(struct snd_ac97 *ac97, char *name,
+                        const unsigned int *tlv, const char **slaves)
+{
+       struct snd_kcontrol *kctl;
+       const char **s;
+       int err;
+
+       kctl = snd_ctl_make_virtual_master(name, tlv);
+       if (!kctl)
+               return -ENOMEM;
+       err = snd_ctl_add(ac97->bus->card, kctl);
+       if (err < 0)
+               return err;
+
+       for (s = slaves; *s; s++) {
+               struct snd_kcontrol *sctl;
+
+               sctl = snd_ac97_find_mixer_ctl(ac97, *s);
+               if (!sctl) {
+                       snd_printdd("Cannot find slave %s, skipped\n", *s);
+                       continue;
+               }
+               err = snd_ctl_add_slave(kctl, sctl);
+               if (err < 0)
+                       return err;
+       }
+       return 0;
+}
+
 static int patch_vt1616_specific(struct snd_ac97 * ac97)
 {
+       struct snd_kcontrol *kctl;
        int err;
 
        if (snd_ac97_try_bit(ac97, 0x5a, 9))
@@ -3314,6 +3419,24 @@ static int patch_vt1616_specific(struct snd_ac97 * ac97)
                        return err;
        if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[1], ARRAY_SIZE(snd_ac97_controls_vt1616) - 1)) < 0)
                return err;
+
+       /* There is already a misnamed master switch.  Rename it.  */
+       kctl = snd_ac97_find_mixer_ctl(ac97, "Master Playback Volume");
+       if (!kctl)
+               return -EINVAL;
+
+       snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Front Playback");
+
+       err = snd_ac97_add_vmaster(ac97, "Master Playback Volume",
+                                  kctl->tlv.p, slave_vols_vt1616);
+       if (err < 0)
+               return err;
+
+       err = snd_ac97_add_vmaster(ac97, "Master Playback Switch",
+                                  NULL, slave_sws_vt1616);
+       if (err < 0)
+               return err;
+
        return 0;
 }
 
@@ -3419,6 +3542,7 @@ static const struct snd_kcontrol_new snd_ac97_controls_vt1617a[] = {
 int patch_vt1617a(struct snd_ac97 * ac97)
 {
        int err = 0;
+       int val;
 
        /* we choose to not fail out at this point, but we tell the
           caller when we return */
@@ -3429,7 +3553,13 @@ int patch_vt1617a(struct snd_ac97 * ac97)
        /* bring analog power consumption to normal by turning off the
         * headphone amplifier, like WinXP driver for EPIA SP
         */
-       snd_ac97_write_cache(ac97, 0x5c, 0x20);
+       /* We need to check the bit before writing it.
+        * On some (many?) hardwares, setting bit actually clears it!
+        */
+       val = snd_ac97_read(ac97, 0x5c);
+       if (!(val & 0x20))
+               snd_ac97_write_cache(ac97, 0x5c, 0x20);
+
        ac97->ext_id |= AC97_EI_SPDIF;  /* force the detection of spdif */
        ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
        ac97->build_ops = &patch_vt1616_ops;