diff options
| -rw-r--r-- | sound/pci/oxygen/xonar_pcm179x.c | 110 |
1 files changed, 99 insertions, 11 deletions
diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c index e17ee5e8e51..cf94e4432a3 100644 --- a/sound/pci/oxygen/xonar_pcm179x.c +++ b/sound/pci/oxygen/xonar_pcm179x.c @@ -173,6 +173,8 @@ struct xonar_pcm179x { struct xonar_generic generic; unsigned int dacs; u8 pcm1796_regs[4][5]; + bool hp_active; + s8 hp_gain_offset; u8 cs2000_fun_cfg_1; }; @@ -249,13 +251,17 @@ static void pcm1796_registers_init(struct oxygen *chip) { struct xonar_pcm179x *data = chip->model_data; unsigned int i; + s8 gain_offset; + gain_offset = data->hp_active ? data->hp_gain_offset : 0; for (i = 0; i < data->dacs; ++i) { /* set ATLD before ATL/ATR */ pcm1796_write(chip, i, 18, data->pcm1796_regs[0][18 - PCM1796_REG_BASE]); - pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]); - pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]); + pcm1796_write(chip, i, 16, chip->dac_volume[i * 2] + + gain_offset); + pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1] + + gain_offset); pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1); pcm1796_write(chip, i, 20, data->pcm1796_regs[0][20 - PCM1796_REG_BASE]); @@ -352,6 +358,7 @@ static void xonar_st_init_common(struct oxygen *chip) data->generic.anti_pop_delay = 100; data->generic.output_enable_bit = GPIO_ST_OUTPUT_ENABLE; data->dacs = chip->model.private_data ? 4 : 1; + data->hp_gain_offset = 2*-18; pcm1796_init(chip); @@ -495,10 +502,14 @@ static void update_pcm1796_volume(struct oxygen *chip) { struct xonar_pcm179x *data = chip->model_data; unsigned int i; + s8 gain_offset; + gain_offset = data->hp_active ? data->hp_gain_offset : 0; for (i = 0; i < data->dacs; ++i) { - pcm1796_write_cached(chip, i, 16, chip->dac_volume[i * 2]); - pcm1796_write_cached(chip, i, 17, chip->dac_volume[i * 2 + 1]); + pcm1796_write_cached(chip, i, 16, chip->dac_volume[i * 2] + + gain_offset); + pcm1796_write_cached(chip, i, 17, chip->dac_volume[i * 2 + 1] + + gain_offset); } } @@ -606,6 +617,7 @@ static int st_output_switch_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) { struct oxygen *chip = ctl->private_data; + struct xonar_pcm179x *data = chip->model_data; u16 gpio_old, gpio; mutex_lock(&chip->mutex); @@ -623,16 +635,83 @@ static int st_output_switch_put(struct snd_kcontrol *ctl, break; } oxygen_write16(chip, OXYGEN_GPIO_DATA, gpio); + data->hp_active = gpio & GPIO_ST_HP; + update_pcm1796_volume(chip); mutex_unlock(&chip->mutex); return gpio != gpio_old; } -static const struct snd_kcontrol_new st_output_switch = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Analog Output", - .info = st_output_switch_info, - .get = st_output_switch_get, - .put = st_output_switch_put, +static int st_hp_volume_offset_info(struct snd_kcontrol *ctl, + struct snd_ctl_elem_info *info) +{ + static const char *const names[3] = { + "< 64 ohms", "64-300 ohms", "300-600 ohms" + }; + + info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + info->count = 1; + info->value.enumerated.items = 3; + if (info->value.enumerated.item > 2) + info->value.enumerated.item = 2; + strcpy(info->value.enumerated.name, names[info->value.enumerated.item]); + return 0; +} + +static int st_hp_volume_offset_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + struct xonar_pcm179x *data = chip->model_data; + + mutex_lock(&chip->mutex); + if (data->hp_gain_offset < 2*-6) + value->value.enumerated.item[0] = 0; + else if (data->hp_gain_offset < 0) + value->value.enumerated.item[0] = 1; + else + value->value.enumerated.item[0] = 2; + mutex_unlock(&chip->mutex); + return 0; +} + + +static int st_hp_volume_offset_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + static const s8 offsets[] = { 2*-18, 2*-6, 0 }; + struct oxygen *chip = ctl->private_data; + struct xonar_pcm179x *data = chip->model_data; + s8 offset; + int changed; + + if (value->value.enumerated.item[0] > 2) + return -EINVAL; + offset = offsets[value->value.enumerated.item[0]]; + mutex_lock(&chip->mutex); + changed = offset != data->hp_gain_offset; + if (changed) { + data->hp_gain_offset = offset; + update_pcm1796_volume(chip); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static const struct snd_kcontrol_new st_controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Analog Output", + .info = st_output_switch_info, + .get = st_output_switch_get, + .put = st_output_switch_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Headphones Impedance Playback Enum", + .info = st_hp_volume_offset_info, + .get = st_hp_volume_offset_get, + .put = st_hp_volume_offset_put, + }, }; static void xonar_line_mic_ac97_switch(struct oxygen *chip, @@ -671,7 +750,16 @@ static int xonar_d2_mixer_init(struct oxygen *chip) static int xonar_st_mixer_init(struct oxygen *chip) { - return snd_ctl_add(chip->card, snd_ctl_new1(&st_output_switch, chip)); + unsigned int i; + int err; + + for (i = 0; i < ARRAY_SIZE(st_controls); ++i) { + err = snd_ctl_add(chip->card, + snd_ctl_new1(&st_controls[i], chip)); + if (err < 0) + return err; + } + return 0; } static const struct oxygen_model model_xonar_d2 = { |