diff options
| -rw-r--r-- | sound/pci/rme9652/hdspm.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index b271853e2e52..d9532c42e2ce 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -3348,6 +3348,84 @@ static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol, return change; } +#define HDSPM_CONTROL_TRISTATE(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .private_value = xindex, \ + .info = snd_hdspm_info_tristate, \ + .get = snd_hdspm_get_tristate, \ + .put = snd_hdspm_put_tristate \ +} + +static int hdspm_tristate(struct hdspm *hdspm, u32 regmask) +{ + u32 reg = hdspm->settings_register & (regmask * 3); + return reg / regmask; +} + +static int hdspm_set_tristate(struct hdspm *hdspm, int mode, u32 regmask) +{ + hdspm->settings_register &= ~(regmask * 3); + hdspm->settings_register |= (regmask * mode); + hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register); + + return 0; +} + +static int snd_hdspm_info_tristate(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + u32 regmask = kcontrol->private_value; + + static char *texts_spdif[] = { "Optical", "Coaxial", "Internal" }; + static char *texts_levels[] = { "Hi Gain", "+4 dBu", "-10 dBV" }; + + switch (regmask) { + case HDSPM_c0_Input0: + ENUMERATED_CTL_INFO(uinfo, texts_spdif); + break; + default: + ENUMERATED_CTL_INFO(uinfo, texts_levels); + break; + } + return 0; +} + +static int snd_hdspm_get_tristate(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hdspm *hdspm = snd_kcontrol_chip(kcontrol); + u32 regmask = kcontrol->private_value; + + spin_lock_irq(&hdspm->lock); + ucontrol->value.enumerated.item[0] = hdspm_tristate(hdspm, regmask); + spin_unlock_irq(&hdspm->lock); + return 0; +} + +static int snd_hdspm_put_tristate(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hdspm *hdspm = snd_kcontrol_chip(kcontrol); + u32 regmask = kcontrol->private_value; + int change; + int val; + + if (!snd_hdspm_use_is_exclusive(hdspm)) + return -EBUSY; + val = ucontrol->value.integer.value[0]; + if (val < 0) + val = 0; + if (val > 2) + val = 2; + + spin_lock_irq(&hdspm->lock); + change = val != hdspm_tristate(hdspm, regmask); + hdspm_set_tristate(hdspm, val, regmask); + spin_unlock_irq(&hdspm->lock); + return change; +} + #define HDSPM_MADI_SPEEDMODE(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .name = xname, \ |