+static int davinci_mcasp_iec958_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+
+ return 0;
+}
+
+static int davinci_mcasp_iec958_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *uctl)
+{
+ struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol);
+ struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(cpu_dai);
+
+ memcpy(uctl->value.iec958.status, &mcasp->iec958_status,
+ sizeof(mcasp->iec958_status));
+
+ return 0;
+}
+
+static int davinci_mcasp_iec958_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *uctl)
+{
+ struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol);
+ struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(cpu_dai);
+
+ memcpy(&mcasp->iec958_status, uctl->value.iec958.status,
+ sizeof(mcasp->iec958_status));
+
+ return 0;
+}
+
+static int davinci_mcasp_iec958_con_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol);
+ struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(cpu_dai);
+
+ memset(ucontrol->value.iec958.status, 0xff, sizeof(mcasp->iec958_status));
+ return 0;
+}
+
+static const struct snd_kcontrol_new davinci_mcasp_iec958_ctls[] = {
+ {
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE),
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
+ .info = davinci_mcasp_iec958_info,
+ .get = davinci_mcasp_iec958_get,
+ .put = davinci_mcasp_iec958_put,
+ }, {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
+ .info = davinci_mcasp_iec958_info,
+ .get = davinci_mcasp_iec958_con_mask_get,
+ },
+};
+
+static void davinci_mcasp_init_iec958_status(struct davinci_mcasp *mcasp)
+{
+ unsigned char *cs = (u8 *)&mcasp->iec958_status;
+
+ cs[0] = IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE;
+ cs[1] = IEC958_AES1_CON_PCM_CODER;
+ cs[2] = IEC958_AES2_CON_SOURCE_UNSPEC | IEC958_AES2_CON_CHANNEL_UNSPEC;
+ cs[3] = IEC958_AES3_CON_CLOCK_1000PPM;
+}
+