diff options
Diffstat (limited to 'kernel/sound/drivers/vx/vx_mixer.c')
| -rw-r--r-- | kernel/sound/drivers/vx/vx_mixer.c | 1005 |
1 files changed, 1005 insertions, 0 deletions
diff --git a/kernel/sound/drivers/vx/vx_mixer.c b/kernel/sound/drivers/vx/vx_mixer.c new file mode 100644 index 000000000..be9477e30 --- /dev/null +++ b/kernel/sound/drivers/vx/vx_mixer.c @@ -0,0 +1,1005 @@ +/* + * Driver for Digigram VX soundcards + * + * Common mixer part + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/core.h> +#include <sound/control.h> +#include <sound/tlv.h> +#include <sound/vx_core.h> +#include "vx_cmd.h" + + +/* + * write a codec data (24bit) + */ +static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int data) +{ + if (snd_BUG_ON(!chip->ops->write_codec)) + return; + + if (chip->chip_status & VX_STAT_IS_STALE) + return; + + mutex_lock(&chip->lock); + chip->ops->write_codec(chip, codec, data); + mutex_unlock(&chip->lock); +} + +/* + * Data type used to access the Codec + */ +union vx_codec_data { + u32 l; +#ifdef SNDRV_BIG_ENDIAN + struct w { + u16 h; + u16 l; + } w; + struct b { + u8 hh; + u8 mh; + u8 ml; + u8 ll; + } b; +#else /* LITTLE_ENDIAN */ + struct w { + u16 l; + u16 h; + } w; + struct b { + u8 ll; + u8 ml; + u8 mh; + u8 hh; + } b; +#endif +}; + +#define SET_CDC_DATA_SEL(di,s) ((di).b.mh = (u8) (s)) +#define SET_CDC_DATA_REG(di,r) ((di).b.ml = (u8) (r)) +#define SET_CDC_DATA_VAL(di,d) ((di).b.ll = (u8) (d)) +#define SET_CDC_DATA_INIT(di) ((di).l = 0L, SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR)) + +/* + * set up codec register and write the value + * @codec: the codec id, 0 or 1 + * @reg: register index + * @val: data value + */ +static void vx_set_codec_reg(struct vx_core *chip, int codec, int reg, int val) +{ + union vx_codec_data data; + /* DAC control register */ + SET_CDC_DATA_INIT(data); + SET_CDC_DATA_REG(data, reg); + SET_CDC_DATA_VAL(data, val); + vx_write_codec_reg(chip, codec, data.l); +} + + +/* + * vx_set_analog_output_level - set the output attenuation level + * @codec: the output codec, 0 or 1. (1 for VXP440 only) + * @left: left output level, 0 = mute + * @right: right output level + */ +static void vx_set_analog_output_level(struct vx_core *chip, int codec, int left, int right) +{ + left = chip->hw->output_level_max - left; + right = chip->hw->output_level_max - right; + + if (chip->ops->akm_write) { + chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left); + chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right); + } else { + /* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */ + vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left); + vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right); + } +} + + +/* + * vx_toggle_dac_mute - mute/unmute DAC + * @mute: 0 = unmute, 1 = mute + */ + +#define DAC_ATTEN_MIN 0x08 +#define DAC_ATTEN_MAX 0x38 + +void vx_toggle_dac_mute(struct vx_core *chip, int mute) +{ + unsigned int i; + for (i = 0; i < chip->hw->num_codecs; i++) { + if (chip->ops->akm_write) + chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */ + else + vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, + mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN); + } +} + +/* + * vx_reset_codec - reset and initialize the codecs + */ +void vx_reset_codec(struct vx_core *chip, int cold_reset) +{ + unsigned int i; + int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65; + + chip->ops->reset_codec(chip); + + /* AKM codecs should be initialized in reset_codec callback */ + if (! chip->ops->akm_write) { + /* initialize old codecs */ + for (i = 0; i < chip->hw->num_codecs; i++) { + /* DAC control register (change level when zero crossing + mute) */ + vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, DAC_ATTEN_MAX); + /* ADC control register */ + vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00); + /* Port mode register */ + vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port); + /* Clock control register */ + vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00); + } + } + + /* mute analog output */ + for (i = 0; i < chip->hw->num_codecs; i++) { + chip->output_level[i][0] = 0; + chip->output_level[i][1] = 0; + vx_set_analog_output_level(chip, i, 0, 0); + } +} + +/* + * change the audio input source + * @src: the target source (VX_AUDIO_SRC_XXX) + */ +static void vx_change_audio_source(struct vx_core *chip, int src) +{ + if (chip->chip_status & VX_STAT_IS_STALE) + return; + + mutex_lock(&chip->lock); + chip->ops->change_audio_source(chip, src); + mutex_unlock(&chip->lock); +} + + +/* + * change the audio source if necessary and possible + * returns 1 if the source is actually changed. + */ +int vx_sync_audio_source(struct vx_core *chip) +{ + if (chip->audio_source_target == chip->audio_source || + chip->pcm_running) + return 0; + vx_change_audio_source(chip, chip->audio_source_target); + chip->audio_source = chip->audio_source_target; + return 1; +} + + +/* + * audio level, mute, monitoring + */ +struct vx_audio_level { + unsigned int has_level: 1; + unsigned int has_monitor_level: 1; + unsigned int has_mute: 1; + unsigned int has_monitor_mute: 1; + unsigned int mute; + unsigned int monitor_mute; + short level; + short monitor_level; +}; + +static int vx_adjust_audio_level(struct vx_core *chip, int audio, int capture, + struct vx_audio_level *info) +{ + struct vx_rmh rmh; + + if (chip->chip_status & VX_STAT_IS_STALE) + return -EBUSY; + + vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST); + if (capture) + rmh.Cmd[0] |= COMMAND_RECORD_MASK; + /* Add Audio IO mask */ + rmh.Cmd[1] = 1 << audio; + rmh.Cmd[2] = 0; + if (info->has_level) { + rmh.Cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL; + rmh.Cmd[2] |= info->level; + } + if (info->has_monitor_level) { + rmh.Cmd[0] |= VALID_AUDIO_IO_MONITORING_LEVEL; + rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10); + } + if (info->has_mute) { + rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL; + if (info->mute) + rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL; + } + if (info->has_monitor_mute) { + /* validate flag for M2 at least to unmute it */ + rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2; + if (info->monitor_mute) + rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1; + } + + return vx_send_msg(chip, &rmh); +} + + +#if 0 // not used +static int vx_read_audio_level(struct vx_core *chip, int audio, int capture, + struct vx_audio_level *info) +{ + int err; + struct vx_rmh rmh; + + memset(info, 0, sizeof(*info)); + vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS); + if (capture) + rmh.Cmd[0] |= COMMAND_RECORD_MASK; + /* Add Audio IO mask */ + rmh.Cmd[1] = 1 << audio; + err = vx_send_msg(chip, &rmh); + if (err < 0) + return err; + info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL; + info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL; + info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0; + info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0; + return 0; +} +#endif // not used + +/* + * set the monitoring level and mute state of the given audio + * no more static, because must be called from vx_pcm to demute monitoring + */ +int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active) +{ + struct vx_audio_level info; + + memset(&info, 0, sizeof(info)); + info.has_monitor_level = 1; + info.monitor_level = level; + info.has_monitor_mute = 1; + info.monitor_mute = !active; + chip->audio_monitor[audio] = level; + chip->audio_monitor_active[audio] = active; + return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */ +} + + +/* + * set the mute status of the given audio + */ +static int vx_set_audio_switch(struct vx_core *chip, int audio, int active) +{ + struct vx_audio_level info; + + memset(&info, 0, sizeof(info)); + info.has_mute = 1; + info.mute = !active; + chip->audio_active[audio] = active; + return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */ +} + +/* + * set the mute status of the given audio + */ +static int vx_set_audio_gain(struct vx_core *chip, int audio, int capture, int level) +{ + struct vx_audio_level info; + + memset(&info, 0, sizeof(info)); + info.has_level = 1; + info.level = level; + chip->audio_gain[capture][audio] = level; + return vx_adjust_audio_level(chip, audio, capture, &info); +} + +/* + * reset all audio levels + */ +static void vx_reset_audio_levels(struct vx_core *chip) +{ + unsigned int i, c; + struct vx_audio_level info; + + memset(chip->audio_gain, 0, sizeof(chip->audio_gain)); + memset(chip->audio_active, 0, sizeof(chip->audio_active)); + memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor)); + memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active)); + + for (c = 0; c < 2; c++) { + for (i = 0; i < chip->hw->num_ins * 2; i++) { + memset(&info, 0, sizeof(info)); + if (c == 0) { + info.has_monitor_level = 1; + info.has_mute = 1; + info.has_monitor_mute = 1; + } + info.has_level = 1; + info.level = CVAL_0DB; /* default: 0dB */ + vx_adjust_audio_level(chip, i, c, &info); + chip->audio_gain[c][i] = CVAL_0DB; + chip->audio_monitor[i] = CVAL_0DB; + } + } +} + + +/* + * VU, peak meter record + */ + +#define VU_METER_CHANNELS 2 + +struct vx_vu_meter { + int saturated; + int vu_level; + int peak_level; +}; + +/* + * get the VU and peak meter values + * @audio: the audio index + * @capture: 0 = playback, 1 = capture operation + * @info: the array of vx_vu_meter records (size = 2). + */ +static int vx_get_audio_vu_meter(struct vx_core *chip, int audio, int capture, struct vx_vu_meter *info) +{ + struct vx_rmh rmh; + int i, err; + + if (chip->chip_status & VX_STAT_IS_STALE) + return -EBUSY; + + vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER); + rmh.LgStat += 2 * VU_METER_CHANNELS; + if (capture) + rmh.Cmd[0] |= COMMAND_RECORD_MASK; + + /* Add Audio IO mask */ + rmh.Cmd[1] = 0; + for (i = 0; i < VU_METER_CHANNELS; i++) + rmh.Cmd[1] |= 1 << (audio + i); + err = vx_send_msg(chip, &rmh); + if (err < 0) + return err; + /* Read response */ + for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) { + info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0; + info->vu_level = rmh.Stat[i + 1]; + info->peak_level = rmh.Stat[i + 2]; + info++; + } + return 0; +} + + +/* + * control API entries + */ + +/* + * output level control + */ +static int vx_output_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = chip->hw->output_level_max; + return 0; +} + +static int vx_output_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int codec = kcontrol->id.index; + mutex_lock(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->output_level[codec][0]; + ucontrol->value.integer.value[1] = chip->output_level[codec][1]; + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int codec = kcontrol->id.index; + unsigned int val[2], vmax; + + vmax = chip->hw->output_level_max; + val[0] = ucontrol->value.integer.value[0]; + val[1] = ucontrol->value.integer.value[1]; + if (val[0] > vmax || val[1] > vmax) + return -EINVAL; + mutex_lock(&chip->mixer_mutex); + if (val[0] != chip->output_level[codec][0] || + val[1] != chip->output_level[codec][1]) { + vx_set_analog_output_level(chip, codec, val[0], val[1]); + chip->output_level[codec][0] = val[0]; + chip->output_level[codec][1] = val[1]; + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static struct snd_kcontrol_new vx_control_output_level = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .name = "Master Playback Volume", + .info = vx_output_level_info, + .get = vx_output_level_get, + .put = vx_output_level_put, + /* tlv will be filled later */ +}; + +/* + * audio source select + */ +static int vx_audio_src_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts_mic[3] = { + "Digital", "Line", "Mic" + }; + static const char * const texts_vx2[2] = { + "Digital", "Analog" + }; + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + + if (chip->type >= VX_TYPE_VXPOCKET) + return snd_ctl_enum_info(uinfo, 1, 3, texts_mic); + else + return snd_ctl_enum_info(uinfo, 1, 2, texts_vx2); +} + +static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.enumerated.item[0] = chip->audio_source_target; + return 0; +} + +static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + + if (chip->type >= VX_TYPE_VXPOCKET) { + if (ucontrol->value.enumerated.item[0] > 2) + return -EINVAL; + } else { + if (ucontrol->value.enumerated.item[0] > 1) + return -EINVAL; + } + mutex_lock(&chip->mixer_mutex); + if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) { + chip->audio_source_target = ucontrol->value.enumerated.item[0]; + vx_sync_audio_source(chip); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static struct snd_kcontrol_new vx_control_audio_src = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Source", + .info = vx_audio_src_info, + .get = vx_audio_src_get, + .put = vx_audio_src_put, +}; + +/* + * clock mode selection + */ +static int vx_clock_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[3] = { + "Auto", "Internal", "External" + }; + + return snd_ctl_enum_info(uinfo, 1, 3, texts); +} + +static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.enumerated.item[0] = chip->clock_mode; + return 0; +} + +static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + + if (ucontrol->value.enumerated.item[0] > 2) + return -EINVAL; + mutex_lock(&chip->mixer_mutex); + if (chip->clock_mode != ucontrol->value.enumerated.item[0]) { + chip->clock_mode = ucontrol->value.enumerated.item[0]; + vx_set_clock(chip, chip->freq); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static struct snd_kcontrol_new vx_control_clock_mode = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Clock Mode", + .info = vx_clock_mode_info, + .get = vx_clock_mode_get, + .put = vx_clock_mode_put, +}; + +/* + * Audio Gain + */ +static int vx_audio_gain_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = CVAL_MAX; + return 0; +} + +static int vx_audio_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + int capture = (kcontrol->private_value >> 8) & 1; + + mutex_lock(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio]; + ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1]; + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + int capture = (kcontrol->private_value >> 8) & 1; + unsigned int val[2]; + + val[0] = ucontrol->value.integer.value[0]; + val[1] = ucontrol->value.integer.value[1]; + if (val[0] > CVAL_MAX || val[1] > CVAL_MAX) + return -EINVAL; + mutex_lock(&chip->mixer_mutex); + if (val[0] != chip->audio_gain[capture][audio] || + val[1] != chip->audio_gain[capture][audio+1]) { + vx_set_audio_gain(chip, audio, capture, val[0]); + vx_set_audio_gain(chip, audio+1, capture, val[1]); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_audio_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + + mutex_lock(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_monitor[audio]; + ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1]; + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + unsigned int val[2]; + + val[0] = ucontrol->value.integer.value[0]; + val[1] = ucontrol->value.integer.value[1]; + if (val[0] > CVAL_MAX || val[1] > CVAL_MAX) + return -EINVAL; + + mutex_lock(&chip->mixer_mutex); + if (val[0] != chip->audio_monitor[audio] || + val[1] != chip->audio_monitor[audio+1]) { + vx_set_monitor_level(chip, audio, val[0], + chip->audio_monitor_active[audio]); + vx_set_monitor_level(chip, audio+1, val[1], + chip->audio_monitor_active[audio+1]); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +#define vx_audio_sw_info snd_ctl_boolean_stereo_info + +static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + + mutex_lock(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_active[audio]; + ucontrol->value.integer.value[1] = chip->audio_active[audio+1]; + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + + mutex_lock(&chip->mixer_mutex); + if (ucontrol->value.integer.value[0] != chip->audio_active[audio] || + ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) { + vx_set_audio_switch(chip, audio, + !!ucontrol->value.integer.value[0]); + vx_set_audio_switch(chip, audio+1, + !!ucontrol->value.integer.value[1]); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_monitor_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + + mutex_lock(&chip->mixer_mutex); + ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio]; + ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1]; + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + int audio = kcontrol->private_value & 0xff; + + mutex_lock(&chip->mixer_mutex); + if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] || + ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) { + vx_set_monitor_level(chip, audio, chip->audio_monitor[audio], + !!ucontrol->value.integer.value[0]); + vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1], + !!ucontrol->value.integer.value[1]); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0); + +static struct snd_kcontrol_new vx_control_audio_gain = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + /* name will be filled later */ + .info = vx_audio_gain_info, + .get = vx_audio_gain_get, + .put = vx_audio_gain_put, + .tlv = { .p = db_scale_audio_gain }, +}; +static struct snd_kcontrol_new vx_control_output_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .info = vx_audio_sw_info, + .get = vx_audio_sw_get, + .put = vx_audio_sw_put +}; +static struct snd_kcontrol_new vx_control_monitor_gain = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Monitoring Volume", + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .info = vx_audio_gain_info, /* shared */ + .get = vx_audio_monitor_get, + .put = vx_audio_monitor_put, + .tlv = { .p = db_scale_audio_gain }, +}; +static struct snd_kcontrol_new vx_control_monitor_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Monitoring Switch", + .info = vx_audio_sw_info, /* shared */ + .get = vx_monitor_sw_get, + .put = vx_monitor_sw_put +}; + + +/* + * IEC958 status bits + */ +static int vx_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 vx_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + + mutex_lock(&chip->mixer_mutex); + ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff; + ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff; + ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff; + ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff; + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static int vx_iec958_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.iec958.status[0] = 0xff; + ucontrol->value.iec958.status[1] = 0xff; + ucontrol->value.iec958.status[2] = 0xff; + ucontrol->value.iec958.status[3] = 0xff; + return 0; +} + +static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + unsigned int val; + + val = (ucontrol->value.iec958.status[0] << 0) | + (ucontrol->value.iec958.status[1] << 8) | + (ucontrol->value.iec958.status[2] << 16) | + (ucontrol->value.iec958.status[3] << 24); + mutex_lock(&chip->mixer_mutex); + if (chip->uer_bits != val) { + chip->uer_bits = val; + vx_set_iec958_status(chip, val); + mutex_unlock(&chip->mixer_mutex); + return 1; + } + mutex_unlock(&chip->mixer_mutex); + return 0; +} + +static struct snd_kcontrol_new vx_control_iec958_mask = { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), + .info = vx_iec958_info, /* shared */ + .get = vx_iec958_mask_get, +}; + +static struct snd_kcontrol_new vx_control_iec958 = { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), + .info = vx_iec958_info, + .get = vx_iec958_get, + .put = vx_iec958_put +}; + + +/* + * VU meter + */ + +#define METER_MAX 0xff +#define METER_SHIFT 16 + +static int vx_vu_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = METER_MAX; + return 0; +} + +static int vx_vu_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + struct vx_vu_meter meter[2]; + int audio = kcontrol->private_value & 0xff; + int capture = (kcontrol->private_value >> 8) & 1; + + vx_get_audio_vu_meter(chip, audio, capture, meter); + ucontrol->value.integer.value[0] = meter[0].vu_level >> METER_SHIFT; + ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT; + return 0; +} + +static int vx_peak_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + struct vx_vu_meter meter[2]; + int audio = kcontrol->private_value & 0xff; + int capture = (kcontrol->private_value >> 8) & 1; + + vx_get_audio_vu_meter(chip, audio, capture, meter); + ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT; + ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT; + return 0; +} + +#define vx_saturation_info snd_ctl_boolean_stereo_info + +static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct vx_core *chip = snd_kcontrol_chip(kcontrol); + struct vx_vu_meter meter[2]; + int audio = kcontrol->private_value & 0xff; + + vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */ + ucontrol->value.integer.value[0] = meter[0].saturated; + ucontrol->value.integer.value[1] = meter[1].saturated; + return 0; +} + +static struct snd_kcontrol_new vx_control_vu_meter = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, + /* name will be filled later */ + .info = vx_vu_meter_info, + .get = vx_vu_meter_get, +}; + +static struct snd_kcontrol_new vx_control_peak_meter = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, + /* name will be filled later */ + .info = vx_vu_meter_info, /* shared */ + .get = vx_peak_meter_get, +}; + +static struct snd_kcontrol_new vx_control_saturation = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Input Saturation", + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, + .info = vx_saturation_info, + .get = vx_saturation_get, +}; + + + +/* + * + */ + +int snd_vx_mixer_new(struct vx_core *chip) +{ + unsigned int i, c; + int err; + struct snd_kcontrol_new temp; + struct snd_card *card = chip->card; + char name[32]; + + strcpy(card->mixername, card->driver); + + /* output level controls */ + for (i = 0; i < chip->hw->num_outs; i++) { + temp = vx_control_output_level; + temp.index = i; + temp.tlv.p = chip->hw->output_level_db_scale; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + } + + /* PCM volumes, switches, monitoring */ + for (i = 0; i < chip->hw->num_outs; i++) { + int val = i * 2; + temp = vx_control_audio_gain; + temp.index = i; + temp.name = "PCM Playback Volume"; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + temp = vx_control_output_switch; + temp.index = i; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + temp = vx_control_monitor_gain; + temp.index = i; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + temp = vx_control_monitor_switch; + temp.index = i; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + } + for (i = 0; i < chip->hw->num_outs; i++) { + temp = vx_control_audio_gain; + temp.index = i; + temp.name = "PCM Capture Volume"; + temp.private_value = (i * 2) | (1 << 8); + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + } + + /* Audio source */ + if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0) + return err; + /* clock mode */ + if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip))) < 0) + return err; + /* IEC958 controls */ + if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0) + return err; + if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0) + return err; + /* VU, peak, saturation meters */ + for (c = 0; c < 2; c++) { + static char *dir[2] = { "Output", "Input" }; + for (i = 0; i < chip->hw->num_ins; i++) { + int val = (i * 2) | (c << 8); + if (c == 1) { + temp = vx_control_saturation; + temp.index = i; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + } + sprintf(name, "%s VU Meter", dir[c]); + temp = vx_control_vu_meter; + temp.index = i; + temp.name = name; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + sprintf(name, "%s Peak Meter", dir[c]); + temp = vx_control_peak_meter; + temp.index = i; + temp.name = name; + temp.private_value = val; + if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) + return err; + } + } + vx_reset_audio_levels(chip); + return 0; +} |