Revert "Merge commit 'main-jb-2012.08.03-B4' into t114-0806"
[linux-2.6.git] / sound / pci / hda / hda_codec.c
index e215608..6f3a857 100644 (file)
@@ -19,6 +19,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
+#include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
@@ -1191,6 +1192,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
 {
        if (!codec)
                return;
+       snd_hda_jack_tbl_clear(codec);
        restore_init_pincfgs(codec);
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        cancel_delayed_work(&codec->power_work);
@@ -1199,6 +1201,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
        list_del(&codec->list);
        snd_array_free(&codec->mixers);
        snd_array_free(&codec->nids);
+       snd_array_free(&codec->cvt_setups);
        snd_array_free(&codec->conn_lists);
        snd_array_free(&codec->spdif_out);
        codec->bus->caddr_tbl[codec->addr] = NULL;
@@ -2304,7 +2307,7 @@ typedef int (*map_slave_func_t)(void *, struct snd_kcontrol *);
 
 /* apply the function to all matching slave ctls in the mixer list */
 static int map_slaves(struct hda_codec *codec, const char * const *slaves,
-                     map_slave_func_t func, void *data) 
+                     const char *suffix, map_slave_func_t func, void *data) 
 {
        struct hda_nid_item *items;
        const char * const *s;
@@ -2317,7 +2320,14 @@ static int map_slaves(struct hda_codec *codec, const char * const *slaves,
                    sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
                        continue;
                for (s = slaves; *s; s++) {
-                       if (!strcmp(sctl->id.name, *s)) {
+                       char tmpname[sizeof(sctl->id.name)];
+                       const char *name = *s;
+                       if (suffix) {
+                               snprintf(tmpname, sizeof(tmpname), "%s %s",
+                                        name, suffix);
+                               name = tmpname;
+                       }
+                       if (!strcmp(sctl->id.name, name)) {
                                err = func(data, sctl);
                                if (err)
                                        return err;
@@ -2333,12 +2343,65 @@ static int check_slave_present(void *data, struct snd_kcontrol *sctl)
        return 1;
 }
 
+/* guess the value corresponding to 0dB */
+static int get_kctl_0dB_offset(struct snd_kcontrol *kctl)
+{
+       int _tlv[4];
+       const int *tlv = NULL;
+       int val = -1;
+
+       if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
+               /* FIXME: set_fs() hack for obtaining user-space TLV data */
+               mm_segment_t fs = get_fs();
+               set_fs(get_ds());
+               if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv))
+                       tlv = _tlv;
+               set_fs(fs);
+       } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
+               tlv = kctl->tlv.p;
+       if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE)
+               val = -tlv[2] / tlv[3];
+       return val;
+}
+
+/* call kctl->put with the given value(s) */
+static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
+{
+       struct snd_ctl_elem_value *ucontrol;
+       ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
+       if (!ucontrol)
+               return -ENOMEM;
+       ucontrol->value.integer.value[0] = val;
+       ucontrol->value.integer.value[1] = val;
+       kctl->put(kctl, ucontrol);
+       kfree(ucontrol);
+       return 0;
+}
+
+/* initialize the slave volume with 0dB */
+static int init_slave_0dB(void *data, struct snd_kcontrol *slave)
+{
+       int offset = get_kctl_0dB_offset(slave);
+       if (offset > 0)
+               put_kctl_with_value(slave, offset);
+       return 0;
+}
+
+/* unmute the slave */
+static int init_slave_unmute(void *data, struct snd_kcontrol *slave)
+{
+       return put_kctl_with_value(slave, 1);
+}
+
 /**
  * snd_hda_add_vmaster - create a virtual master control and add slaves
  * @codec: HD-audio codec
  * @name: vmaster control name
  * @tlv: TLV data (optional)
  * @slaves: slave control names (optional)
+ * @suffix: suffix string to each slave name (optional)
+ * @init_slave_vol: initialize slaves to unmute/0dB
+ * @ctl_ret: store the vmaster kcontrol in return
  *
  * Create a virtual master control with the given name.  The TLV data
  * must be either NULL or a valid data.
@@ -2349,13 +2412,18 @@ static int check_slave_present(void *data, struct snd_kcontrol *sctl)
  *
  * This function returns zero if successful or a negative error code.
  */
-int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
-                       unsigned int *tlv, const char * const *slaves)
+int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
+                       unsigned int *tlv, const char * const *slaves,
+                         const char *suffix, bool init_slave_vol,
+                         struct snd_kcontrol **ctl_ret)
 {
        struct snd_kcontrol *kctl;
        int err;
 
-       err = map_slaves(codec, slaves, check_slave_present, NULL);
+       if (ctl_ret)
+               *ctl_ret = NULL;
+
+       err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
        if (err != 1) {
                snd_printdd("No slave found for %s\n", name);
                return 0;
@@ -2367,13 +2435,119 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
        if (err < 0)
                return err;
 
-       err = map_slaves(codec, slaves, (map_slave_func_t)snd_ctl_add_slave,
-                        kctl);
+       err = map_slaves(codec, slaves, suffix,
+                        (map_slave_func_t)snd_ctl_add_slave, kctl);
        if (err < 0)
                return err;
+
+       /* init with master mute & zero volume */
+       put_kctl_with_value(kctl, 0);
+       if (init_slave_vol)
+               map_slaves(codec, slaves, suffix,
+                          tlv ? init_slave_0dB : init_slave_unmute, kctl);
+
+       if (ctl_ret)
+               *ctl_ret = kctl;
        return 0;
 }
-EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
+EXPORT_SYMBOL_HDA(__snd_hda_add_vmaster);
+
+/*
+ * mute-LED control using vmaster
+ */
+static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+       static const char * const texts[] = {
+               "Off", "On", "Follow Master"
+       };
+       unsigned int index;
+
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+       uinfo->count = 1;
+       uinfo->value.enumerated.items = 3;
+       index = uinfo->value.enumerated.item;
+       if (index >= 3)
+               index = 2;
+       strcpy(uinfo->value.enumerated.name, texts[index]);
+       return 0;
+}
+
+static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+       struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
+       ucontrol->value.enumerated.item[0] = hook->mute_mode;
+       return 0;
+}
+
+static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+       struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
+       unsigned int old_mode = hook->mute_mode;
+
+       hook->mute_mode = ucontrol->value.enumerated.item[0];
+       if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
+               hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
+       if (old_mode == hook->mute_mode)
+               return 0;
+       snd_hda_sync_vmaster_hook(hook);
+       return 1;
+}
+
+static struct snd_kcontrol_new vmaster_mute_mode = {
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+       .name = "Mute-LED Mode",
+       .info = vmaster_mute_mode_info,
+       .get = vmaster_mute_mode_get,
+       .put = vmaster_mute_mode_put,
+};
+
+/*
+ * Add a mute-LED hook with the given vmaster switch kctl
+ * "Mute-LED Mode" control is automatically created and associated with
+ * the given hook.
+ */
+int snd_hda_add_vmaster_hook(struct hda_codec *codec,
+                            struct hda_vmaster_mute_hook *hook,
+                            bool expose_enum_ctl)
+{
+       struct snd_kcontrol *kctl;
+
+       if (!hook->hook || !hook->sw_kctl)
+               return 0;
+       snd_ctl_add_vmaster_hook(hook->sw_kctl, hook->hook, codec);
+       hook->codec = codec;
+       hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
+       if (!expose_enum_ctl)
+               return 0;
+       kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
+       if (!kctl)
+               return -ENOMEM;
+       return snd_hda_ctl_add(codec, 0, kctl);
+}
+EXPORT_SYMBOL_HDA(snd_hda_add_vmaster_hook);
+
+/*
+ * Call the hook with the current value for synchronization
+ * Should be called in init callback
+ */
+void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
+{
+       if (!hook->hook || !hook->codec)
+               return;
+       switch (hook->mute_mode) {
+       case HDA_VMUTE_FOLLOW_MASTER:
+               snd_ctl_sync_vmaster_hook(hook->sw_kctl);
+               break;
+       default:
+               hook->hook(hook->codec, hook->mute_mode);
+               break;
+       }
+}
+EXPORT_SYMBOL_HDA(snd_hda_sync_vmaster_hook);
+
 
 /**
  * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
@@ -2844,12 +3018,22 @@ static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
        return change;
 }
 
+int snd_hda_hdmi_decode_info(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_info *uinfo)
+{
+       uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = 1;
+       uinfo->value.integer.min = 0;
+       uinfo->value.integer.max = 0xFFFFFFFF;
+       return 0;
+}
+
 static int snd_hda_hdmi_decode_get(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
 {
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 
-       ucontrol->value.integer.value[0] = codec->ac3dec_capable;
+       ucontrol->value.integer.value[0] = codec->recv_dec_cap;
        return 0;
 }
 
@@ -2884,8 +3068,8 @@ static struct snd_kcontrol_new dig_mixes[] = {
        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-               .name = "AC3 Decode Capability",
-               .info = snd_ctl_boolean_mono_info,
+               .name = "HDA Decode Capability",
+               .info = snd_hda_hdmi_decode_info,
                .get = snd_hda_hdmi_decode_get,
        },
        { } /* end */