diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/pcxhr/pcxhr_mixer.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/pcxhr/pcxhr_mixer.c | 1270 |
1 files changed, 1270 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/pci/pcxhr/pcxhr_mixer.c b/ANDROID_3.4.5/sound/pci/pcxhr/pcxhr_mixer.c new file mode 100644 index 00000000..fec04934 --- /dev/null +++ b/ANDROID_3.4.5/sound/pci/pcxhr/pcxhr_mixer.c @@ -0,0 +1,1270 @@ +#define __NO_VERSION__ +/* + * Driver for Digigram pcxhr compatible soundcards + * + * mixer callbacks + * + * Copyright (c) 2004 by Digigram <alsa@digigram.com> + * + * 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 <linux/time.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/mutex.h> +#include <sound/core.h> +#include "pcxhr.h" +#include "pcxhr_hwdep.h" +#include "pcxhr_core.h" +#include <sound/control.h> +#include <sound/tlv.h> +#include <sound/asoundef.h> +#include "pcxhr_mixer.h" +#include "pcxhr_mix22.h" + +#define PCXHR_LINE_CAPTURE_LEVEL_MIN 0 /* -112.0 dB */ +#define PCXHR_LINE_CAPTURE_LEVEL_MAX 255 /* +15.5 dB */ +#define PCXHR_LINE_CAPTURE_ZERO_LEVEL 224 /* 0.0 dB ( 0 dBu -> 0 dBFS ) */ + +#define PCXHR_LINE_PLAYBACK_LEVEL_MIN 0 /* -104.0 dB */ +#define PCXHR_LINE_PLAYBACK_LEVEL_MAX 128 /* +24.0 dB */ +#define PCXHR_LINE_PLAYBACK_ZERO_LEVEL 104 /* 0.0 dB ( 0 dBFS -> 0 dBu ) */ + +static const DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -11200, 50, 1550); +static const DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -10400, 100, 2400); + +static const DECLARE_TLV_DB_SCALE(db_scale_a_hr222_capture, -11150, 50, 1600); +static const DECLARE_TLV_DB_SCALE(db_scale_a_hr222_playback, -2550, 50, 2400); + +static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip, + int is_capture, int channel) +{ + int err, vol; + struct pcxhr_rmh rmh; + + pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); + if (is_capture) { + rmh.cmd[0] |= IO_NUM_REG_IN_ANA_LEVEL; + rmh.cmd[2] = chip->analog_capture_volume[channel]; + } else { + rmh.cmd[0] |= IO_NUM_REG_OUT_ANA_LEVEL; + if (chip->analog_playback_active[channel]) + vol = chip->analog_playback_volume[channel]; + else + vol = PCXHR_LINE_PLAYBACK_LEVEL_MIN; + /* playback analog levels are inversed */ + rmh.cmd[2] = PCXHR_LINE_PLAYBACK_LEVEL_MAX - vol; + } + rmh.cmd[1] = 1 << ((2 * chip->chip_idx) + channel); /* audio mask */ + rmh.cmd_len = 3; + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err < 0) { + snd_printk(KERN_DEBUG "error update_analog_audio_level card(%d)" + " is_capture(%d) err(%x)\n", + chip->chip_idx, is_capture, err); + return -EINVAL; + } + return 0; +} + +/* + * analog level control + */ +static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + if (kcontrol->private_value == 0) { /* playback */ + if (chip->mgr->is_hr_stereo) { + uinfo->value.integer.min = + HR222_LINE_PLAYBACK_LEVEL_MIN; /* -25 dB */ + uinfo->value.integer.max = + HR222_LINE_PLAYBACK_LEVEL_MAX; /* +24 dB */ + } else { + uinfo->value.integer.min = + PCXHR_LINE_PLAYBACK_LEVEL_MIN; /*-104 dB */ + uinfo->value.integer.max = + PCXHR_LINE_PLAYBACK_LEVEL_MAX; /* +24 dB */ + } + } else { /* capture */ + if (chip->mgr->is_hr_stereo) { + uinfo->value.integer.min = + HR222_LINE_CAPTURE_LEVEL_MIN; /*-112 dB */ + uinfo->value.integer.max = + HR222_LINE_CAPTURE_LEVEL_MAX; /* +15.5 dB */ + } else { + uinfo->value.integer.min = + PCXHR_LINE_CAPTURE_LEVEL_MIN; /*-112 dB */ + uinfo->value.integer.max = + PCXHR_LINE_CAPTURE_LEVEL_MAX; /* +15.5 dB */ + } + } + return 0; +} + +static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + mutex_lock(&chip->mgr->mixer_mutex); + if (kcontrol->private_value == 0) { /* playback */ + ucontrol->value.integer.value[0] = chip->analog_playback_volume[0]; + ucontrol->value.integer.value[1] = chip->analog_playback_volume[1]; + } else { /* capture */ + ucontrol->value.integer.value[0] = chip->analog_capture_volume[0]; + ucontrol->value.integer.value[1] = chip->analog_capture_volume[1]; + } + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int changed = 0; + int is_capture, i; + + mutex_lock(&chip->mgr->mixer_mutex); + is_capture = (kcontrol->private_value != 0); + for (i = 0; i < 2; i++) { + int new_volume = ucontrol->value.integer.value[i]; + int *stored_volume = is_capture ? + &chip->analog_capture_volume[i] : + &chip->analog_playback_volume[i]; + if (is_capture) { + if (chip->mgr->is_hr_stereo) { + if (new_volume < HR222_LINE_CAPTURE_LEVEL_MIN || + new_volume > HR222_LINE_CAPTURE_LEVEL_MAX) + continue; + } else { + if (new_volume < PCXHR_LINE_CAPTURE_LEVEL_MIN || + new_volume > PCXHR_LINE_CAPTURE_LEVEL_MAX) + continue; + } + } else { + if (chip->mgr->is_hr_stereo) { + if (new_volume < HR222_LINE_PLAYBACK_LEVEL_MIN || + new_volume > HR222_LINE_PLAYBACK_LEVEL_MAX) + continue; + } else { + if (new_volume < PCXHR_LINE_PLAYBACK_LEVEL_MIN || + new_volume > PCXHR_LINE_PLAYBACK_LEVEL_MAX) + continue; + } + } + if (*stored_volume != new_volume) { + *stored_volume = new_volume; + changed = 1; + if (chip->mgr->is_hr_stereo) + hr222_update_analog_audio_level(chip, + is_capture, i); + else + pcxhr_update_analog_audio_level(chip, + is_capture, i); + } + } + mutex_unlock(&chip->mgr->mixer_mutex); + return changed; +} + +static struct snd_kcontrol_new pcxhr_control_analog_level = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + /* name will be filled later */ + .info = pcxhr_analog_vol_info, + .get = pcxhr_analog_vol_get, + .put = pcxhr_analog_vol_put, + /* tlv will be filled later */ +}; + +/* shared */ + +#define pcxhr_sw_info snd_ctl_boolean_stereo_info + +static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + + mutex_lock(&chip->mgr->mixer_mutex); + ucontrol->value.integer.value[0] = chip->analog_playback_active[0]; + ucontrol->value.integer.value[1] = chip->analog_playback_active[1]; + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int i, changed = 0; + mutex_lock(&chip->mgr->mixer_mutex); + for(i = 0; i < 2; i++) { + if (chip->analog_playback_active[i] != + ucontrol->value.integer.value[i]) { + chip->analog_playback_active[i] = + !!ucontrol->value.integer.value[i]; + changed = 1; + /* update playback levels */ + if (chip->mgr->is_hr_stereo) + hr222_update_analog_audio_level(chip, 0, i); + else + pcxhr_update_analog_audio_level(chip, 0, i); + } + } + mutex_unlock(&chip->mgr->mixer_mutex); + return changed; +} + +static struct snd_kcontrol_new pcxhr_control_output_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Master Playback Switch", + .info = pcxhr_sw_info, /* shared */ + .get = pcxhr_audio_sw_get, + .put = pcxhr_audio_sw_put +}; + + +#define PCXHR_DIGITAL_LEVEL_MIN 0x000 /* -110 dB */ +#define PCXHR_DIGITAL_LEVEL_MAX 0x1ff /* +18 dB */ +#define PCXHR_DIGITAL_ZERO_LEVEL 0x1b7 /* 0 dB */ + +static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10975, 25, 1800); + +#define MORE_THAN_ONE_STREAM_LEVEL 0x000001 +#define VALID_STREAM_PAN_LEVEL_MASK 0x800000 +#define VALID_STREAM_LEVEL_MASK 0x400000 +#define VALID_STREAM_LEVEL_1_MASK 0x200000 +#define VALID_STREAM_LEVEL_2_MASK 0x100000 + +static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx) +{ + int err; + struct pcxhr_rmh rmh; + struct pcxhr_pipe *pipe = &chip->playback_pipe; + int left, right; + + if (chip->digital_playback_active[idx][0]) + left = chip->digital_playback_volume[idx][0]; + else + left = PCXHR_DIGITAL_LEVEL_MIN; + if (chip->digital_playback_active[idx][1]) + right = chip->digital_playback_volume[idx][1]; + else + right = PCXHR_DIGITAL_LEVEL_MIN; + + pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST); + /* add pipe and stream mask */ + pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx); + /* volume left->left / right->right panoramic level */ + rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL; + rmh.cmd[2] = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK; + rmh.cmd[2] |= (left << 10); + rmh.cmd[3] = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK; + rmh.cmd[3] |= right; + rmh.cmd_len = 4; + + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err < 0) { + snd_printk(KERN_DEBUG "error update_playback_stream_level " + "card(%d) err(%x)\n", chip->chip_idx, err); + return -EINVAL; + } + return 0; +} + +#define AUDIO_IO_HAS_MUTE_LEVEL 0x400000 +#define AUDIO_IO_HAS_MUTE_MONITOR_1 0x200000 +#define VALID_AUDIO_IO_DIGITAL_LEVEL 0x000001 +#define VALID_AUDIO_IO_MONITOR_LEVEL 0x000002 +#define VALID_AUDIO_IO_MUTE_LEVEL 0x000004 +#define VALID_AUDIO_IO_MUTE_MONITOR_1 0x000008 + +static int pcxhr_update_audio_pipe_level(struct snd_pcxhr *chip, + int capture, int channel) +{ + int err; + struct pcxhr_rmh rmh; + struct pcxhr_pipe *pipe; + + if (capture) + pipe = &chip->capture_pipe[0]; + else + pipe = &chip->playback_pipe; + + pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST); + /* add channel mask */ + pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0, + 1 << (channel + pipe->first_audio)); + /* TODO : if mask (3 << pipe->first_audio) is used, left and right + * channel will be programmed to the same params */ + if (capture) { + rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL; + /* VALID_AUDIO_IO_MUTE_LEVEL not yet handled + * (capture pipe level) */ + rmh.cmd[2] = chip->digital_capture_volume[channel]; + } else { + rmh.cmd[0] |= VALID_AUDIO_IO_MONITOR_LEVEL | + VALID_AUDIO_IO_MUTE_MONITOR_1; + /* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL + * not yet handled (playback pipe level) + */ + rmh.cmd[2] = chip->monitoring_volume[channel] << 10; + if (chip->monitoring_active[channel] == 0) + rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1; + } + rmh.cmd_len = 3; + + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err < 0) { + snd_printk(KERN_DEBUG "error update_audio_level(%d) err=%x\n", + chip->chip_idx, err); + return -EINVAL; + } + return 0; +} + + +/* shared */ +static int pcxhr_digital_vol_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 = PCXHR_DIGITAL_LEVEL_MIN; /* -109.5 dB */ + uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX; /* 18.0 dB */ + return 0; +} + + +static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */ + int *stored_volume; + int is_capture = kcontrol->private_value; + + mutex_lock(&chip->mgr->mixer_mutex); + if (is_capture) /* digital capture */ + stored_volume = chip->digital_capture_volume; + else /* digital playback */ + stored_volume = chip->digital_playback_volume[idx]; + ucontrol->value.integer.value[0] = stored_volume[0]; + ucontrol->value.integer.value[1] = stored_volume[1]; + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */ + int changed = 0; + int is_capture = kcontrol->private_value; + int *stored_volume; + int i; + + mutex_lock(&chip->mgr->mixer_mutex); + if (is_capture) /* digital capture */ + stored_volume = chip->digital_capture_volume; + else /* digital playback */ + stored_volume = chip->digital_playback_volume[idx]; + for (i = 0; i < 2; i++) { + int vol = ucontrol->value.integer.value[i]; + if (vol < PCXHR_DIGITAL_LEVEL_MIN || + vol > PCXHR_DIGITAL_LEVEL_MAX) + continue; + if (stored_volume[i] != vol) { + stored_volume[i] = vol; + changed = 1; + if (is_capture) /* update capture volume */ + pcxhr_update_audio_pipe_level(chip, 1, i); + } + } + if (!is_capture && changed) /* update playback volume */ + pcxhr_update_playback_stream_level(chip, idx); + mutex_unlock(&chip->mgr->mixer_mutex); + return changed; +} + +static struct snd_kcontrol_new snd_pcxhr_pcm_vol = +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + /* name will be filled later */ + /* count will be filled later */ + .info = pcxhr_digital_vol_info, /* shared */ + .get = pcxhr_pcm_vol_get, + .put = pcxhr_pcm_vol_put, + .tlv = { .p = db_scale_digital }, +}; + + +static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */ + + mutex_lock(&chip->mgr->mixer_mutex); + ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0]; + ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1]; + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int changed = 0; + int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */ + int i, j; + + mutex_lock(&chip->mgr->mixer_mutex); + j = idx; + for (i = 0; i < 2; i++) { + if (chip->digital_playback_active[j][i] != + ucontrol->value.integer.value[i]) { + chip->digital_playback_active[j][i] = + !!ucontrol->value.integer.value[i]; + changed = 1; + } + } + if (changed) + pcxhr_update_playback_stream_level(chip, idx); + mutex_unlock(&chip->mgr->mixer_mutex); + return changed; +} + +static struct snd_kcontrol_new pcxhr_control_pcm_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .count = PCXHR_PLAYBACK_STREAMS, + .info = pcxhr_sw_info, /* shared */ + .get = pcxhr_pcm_sw_get, + .put = pcxhr_pcm_sw_put +}; + + +/* + * monitoring level control + */ + +static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + mutex_lock(&chip->mgr->mixer_mutex); + ucontrol->value.integer.value[0] = chip->monitoring_volume[0]; + ucontrol->value.integer.value[1] = chip->monitoring_volume[1]; + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int changed = 0; + int i; + + mutex_lock(&chip->mgr->mixer_mutex); + for (i = 0; i < 2; i++) { + if (chip->monitoring_volume[i] != + ucontrol->value.integer.value[i]) { + chip->monitoring_volume[i] = + ucontrol->value.integer.value[i]; + if (chip->monitoring_active[i]) + /* update monitoring volume and mute */ + /* do only when monitoring is unmuted */ + pcxhr_update_audio_pipe_level(chip, 0, i); + changed = 1; + } + } + mutex_unlock(&chip->mgr->mixer_mutex); + return changed; +} + +static struct snd_kcontrol_new pcxhr_control_monitor_vol = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .name = "Monitoring Playback Volume", + .info = pcxhr_digital_vol_info, /* shared */ + .get = pcxhr_monitor_vol_get, + .put = pcxhr_monitor_vol_put, + .tlv = { .p = db_scale_digital }, +}; + +/* + * monitoring switch control + */ + +static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + mutex_lock(&chip->mgr->mixer_mutex); + ucontrol->value.integer.value[0] = chip->monitoring_active[0]; + ucontrol->value.integer.value[1] = chip->monitoring_active[1]; + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int changed = 0; + int i; + + mutex_lock(&chip->mgr->mixer_mutex); + for (i = 0; i < 2; i++) { + if (chip->monitoring_active[i] != + ucontrol->value.integer.value[i]) { + chip->monitoring_active[i] = + !!ucontrol->value.integer.value[i]; + changed |= (1<<i); /* mask 0x01 and 0x02 */ + } + } + if (changed & 0x01) + /* update left monitoring volume and mute */ + pcxhr_update_audio_pipe_level(chip, 0, 0); + if (changed & 0x02) + /* update right monitoring volume and mute */ + pcxhr_update_audio_pipe_level(chip, 0, 1); + + mutex_unlock(&chip->mgr->mixer_mutex); + return (changed != 0); +} + +static struct snd_kcontrol_new pcxhr_control_monitor_sw = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Monitoring Playback Switch", + .info = pcxhr_sw_info, /* shared */ + .get = pcxhr_monitor_sw_get, + .put = pcxhr_monitor_sw_put +}; + + + +/* + * audio source select + */ +#define PCXHR_SOURCE_AUDIO01_UER 0x000100 +#define PCXHR_SOURCE_AUDIO01_SYNC 0x000200 +#define PCXHR_SOURCE_AUDIO23_UER 0x000400 +#define PCXHR_SOURCE_AUDIO45_UER 0x001000 +#define PCXHR_SOURCE_AUDIO67_UER 0x040000 + +static int pcxhr_set_audio_source(struct snd_pcxhr* chip) +{ + struct pcxhr_rmh rmh; + unsigned int mask, reg; + unsigned int codec; + int err, changed; + + switch (chip->chip_idx) { + case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break; + case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break; + case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break; + case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break; + default: return -EINVAL; + } + if (chip->audio_capture_source != 0) { + reg = mask; /* audio source from digital plug */ + } else { + reg = 0; /* audio source from analog plug */ + } + /* set the input source */ + pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed); + /* resync them (otherwise channel inversion possible) */ + if (changed) { + pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS); + rmh.cmd[0] |= (1 << chip->chip_idx); + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err) + return err; + } + if (chip->mgr->board_aes_in_192k) { + int i; + unsigned int src_config = 0xC0; + /* update all src configs with one call */ + for (i = 0; (i < 4) && (i < chip->mgr->capture_chips); i++) { + if (chip->mgr->chip[i]->audio_capture_source == 2) + src_config |= (1 << (3 - i)); + } + /* set codec SRC on off */ + pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); + rmh.cmd_len = 2; + rmh.cmd[0] |= IO_NUM_REG_CONFIG_SRC; + rmh.cmd[1] = src_config; + err = pcxhr_send_msg(chip->mgr, &rmh); + } else { + int use_src = 0; + if (chip->audio_capture_source == 2) + use_src = 1; + /* set codec SRC on off */ + pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); + rmh.cmd_len = 3; + rmh.cmd[0] |= IO_NUM_UER_CHIP_REG; + rmh.cmd[1] = codec; + rmh.cmd[2] = ((CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) | + (use_src ? 0x41 : 0x54)); + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err) + return err; + rmh.cmd[2] = ((CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) | + (use_src ? 0x41 : 0x49)); + err = pcxhr_send_msg(chip->mgr, &rmh); + } + return err; +} + +static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char *texts[5] = { + "Line", "Digital", "Digi+SRC", "Mic", "Line+Mic" + }; + int i; + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + + i = 2; /* no SRC, no Mic available */ + if (chip->mgr->board_has_aes1) { + i = 3; /* SRC available */ + if (chip->mgr->board_has_mic) + i = 5; /* Mic and MicroMix available */ + } + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = i; + if (uinfo->value.enumerated.item > (i-1)) + uinfo->value.enumerated.item = i-1; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + return 0; +} + +static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.enumerated.item[0] = chip->audio_capture_source; + return 0; +} + +static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int ret = 0; + int i = 2; /* no SRC, no Mic available */ + if (chip->mgr->board_has_aes1) { + i = 3; /* SRC available */ + if (chip->mgr->board_has_mic) + i = 5; /* Mic and MicroMix available */ + } + if (ucontrol->value.enumerated.item[0] >= i) + return -EINVAL; + mutex_lock(&chip->mgr->mixer_mutex); + if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) { + chip->audio_capture_source = ucontrol->value.enumerated.item[0]; + if (chip->mgr->is_hr_stereo) + hr222_set_audio_source(chip); + else + pcxhr_set_audio_source(chip); + ret = 1; + } + mutex_unlock(&chip->mgr->mixer_mutex); + return ret; +} + +static struct snd_kcontrol_new pcxhr_control_audio_src = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Source", + .info = pcxhr_audio_src_info, + .get = pcxhr_audio_src_get, + .put = pcxhr_audio_src_put, +}; + + +/* + * clock type selection + * enum pcxhr_clock_type { + * PCXHR_CLOCK_TYPE_INTERNAL = 0, + * PCXHR_CLOCK_TYPE_WORD_CLOCK, + * PCXHR_CLOCK_TYPE_AES_SYNC, + * PCXHR_CLOCK_TYPE_AES_1, + * PCXHR_CLOCK_TYPE_AES_2, + * PCXHR_CLOCK_TYPE_AES_3, + * PCXHR_CLOCK_TYPE_AES_4, + * PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4, + * HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL, + * HR22_CLOCK_TYPE_AES_SYNC, + * HR22_CLOCK_TYPE_AES_1, + * HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1, + * }; + */ + +static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char *textsPCXHR[7] = { + "Internal", "WordClock", "AES Sync", + "AES 1", "AES 2", "AES 3", "AES 4" + }; + static const char *textsHR22[3] = { + "Internal", "AES Sync", "AES 1" + }; + const char **texts; + struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol); + int clock_items = 2; /* at least Internal and AES Sync clock */ + if (mgr->board_has_aes1) { + clock_items += mgr->capture_chips; /* add AES x */ + if (!mgr->is_hr_stereo) + clock_items += 1; /* add word clock */ + } + if (mgr->is_hr_stereo) { + texts = textsHR22; + snd_BUG_ON(clock_items > (HR22_CLOCK_TYPE_MAX+1)); + } else { + texts = textsPCXHR; + snd_BUG_ON(clock_items > (PCXHR_CLOCK_TYPE_MAX+1)); + } + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = clock_items; + if (uinfo->value.enumerated.item >= clock_items) + uinfo->value.enumerated.item = clock_items-1; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + return 0; +} + +static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol); + ucontrol->value.enumerated.item[0] = mgr->use_clock_type; + return 0; +} + +static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol); + int rate, ret = 0; + unsigned int clock_items = 2; /* at least Internal and AES Sync clock */ + if (mgr->board_has_aes1) { + clock_items += mgr->capture_chips; /* add AES x */ + if (!mgr->is_hr_stereo) + clock_items += 1; /* add word clock */ + } + if (ucontrol->value.enumerated.item[0] >= clock_items) + return -EINVAL; + mutex_lock(&mgr->mixer_mutex); + if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) { + mutex_lock(&mgr->setup_mutex); + mgr->use_clock_type = ucontrol->value.enumerated.item[0]; + rate = 0; + if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) { + pcxhr_get_external_clock(mgr, mgr->use_clock_type, + &rate); + } else { + rate = mgr->sample_rate; + if (!rate) + rate = 48000; + } + if (rate) { + pcxhr_set_clock(mgr, rate); + if (mgr->sample_rate) + mgr->sample_rate = rate; + } + mutex_unlock(&mgr->setup_mutex); + ret = 1; /* return 1 even if the set was not done. ok ? */ + } + mutex_unlock(&mgr->mixer_mutex); + return ret; +} + +static struct snd_kcontrol_new pcxhr_control_clock_type = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Clock Mode", + .info = pcxhr_clock_type_info, + .get = pcxhr_clock_type_get, + .put = pcxhr_clock_type_put, +}; + +/* + * clock rate control + * specific control that scans the sample rates on the external plugs + */ +static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol); + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 3 + mgr->capture_chips; + uinfo->value.integer.min = 0; /* clock not present */ + uinfo->value.integer.max = 192000; /* max sample rate 192 kHz */ + return 0; +} + +static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol); + int i, err, rate; + + mutex_lock(&mgr->mixer_mutex); + for(i = 0; i < 3 + mgr->capture_chips; i++) { + if (i == PCXHR_CLOCK_TYPE_INTERNAL) + rate = mgr->sample_rate_real; + else { + err = pcxhr_get_external_clock(mgr, i, &rate); + if (err) + break; + } + ucontrol->value.integer.value[i] = rate; + } + mutex_unlock(&mgr->mixer_mutex); + return 0; +} + +static struct snd_kcontrol_new pcxhr_control_clock_rate = { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .name = "Clock Rates", + .info = pcxhr_clock_rate_info, + .get = pcxhr_clock_rate_get, +}; + +/* + * IEC958 status bits + */ +static int pcxhr_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 pcxhr_iec958_capture_byte(struct snd_pcxhr *chip, + int aes_idx, unsigned char *aes_bits) +{ + int i, err; + unsigned char temp; + struct pcxhr_rmh rmh; + + pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); + rmh.cmd[0] |= IO_NUM_UER_CHIP_REG; + switch (chip->chip_idx) { + /* instead of CS8420_01_CS use CS8416_01_CS for AES SYNC plug */ + case 0: rmh.cmd[1] = CS8420_01_CS; break; + case 1: rmh.cmd[1] = CS8420_23_CS; break; + case 2: rmh.cmd[1] = CS8420_45_CS; break; + case 3: rmh.cmd[1] = CS8420_67_CS; break; + default: return -EINVAL; + } + if (chip->mgr->board_aes_in_192k) { + switch (aes_idx) { + case 0: rmh.cmd[2] = CS8416_CSB0; break; + case 1: rmh.cmd[2] = CS8416_CSB1; break; + case 2: rmh.cmd[2] = CS8416_CSB2; break; + case 3: rmh.cmd[2] = CS8416_CSB3; break; + case 4: rmh.cmd[2] = CS8416_CSB4; break; + default: return -EINVAL; + } + } else { + switch (aes_idx) { + /* instead of CS8420_CSB0 use CS8416_CSBx for AES SYNC plug */ + case 0: rmh.cmd[2] = CS8420_CSB0; break; + case 1: rmh.cmd[2] = CS8420_CSB1; break; + case 2: rmh.cmd[2] = CS8420_CSB2; break; + case 3: rmh.cmd[2] = CS8420_CSB3; break; + case 4: rmh.cmd[2] = CS8420_CSB4; break; + default: return -EINVAL; + } + } + /* size and code the chip id for the fpga */ + rmh.cmd[1] &= 0x0fffff; + /* chip signature + map for spi read */ + rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI; + rmh.cmd_len = 3; + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err) + return err; + + if (chip->mgr->board_aes_in_192k) { + temp = (unsigned char)rmh.stat[1]; + } else { + temp = 0; + /* reversed bit order (not with CS8416_01_CS) */ + for (i = 0; i < 8; i++) { + temp <<= 1; + if (rmh.stat[1] & (1 << i)) + temp |= 1; + } + } + snd_printdd("read iec958 AES %d byte %d = 0x%x\n", + chip->chip_idx, aes_idx, temp); + *aes_bits = temp; + return 0; +} + +static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + unsigned char aes_bits; + int i, err; + + mutex_lock(&chip->mgr->mixer_mutex); + for(i = 0; i < 5; i++) { + if (kcontrol->private_value == 0) /* playback */ + aes_bits = chip->aes_bits[i]; + else { /* capture */ + if (chip->mgr->is_hr_stereo) + err = hr222_iec958_capture_byte(chip, i, + &aes_bits); + else + err = pcxhr_iec958_capture_byte(chip, i, + &aes_bits); + if (err) + break; + } + ucontrol->value.iec958.status[i] = aes_bits; + } + mutex_unlock(&chip->mgr->mixer_mutex); + return 0; +} + +static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + int i; + for (i = 0; i < 5; i++) + ucontrol->value.iec958.status[i] = 0xff; + return 0; +} + +static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip, + int aes_idx, unsigned char aes_bits) +{ + int i, err, cmd; + unsigned char new_bits = aes_bits; + unsigned char old_bits = chip->aes_bits[aes_idx]; + struct pcxhr_rmh rmh; + + for (i = 0; i < 8; i++) { + if ((old_bits & 0x01) != (new_bits & 0x01)) { + cmd = chip->chip_idx & 0x03; /* chip index 0..3 */ + if (chip->chip_idx > 3) + /* new bit used if chip_idx>3 (PCX1222HR) */ + cmd |= 1 << 22; + cmd |= ((aes_idx << 3) + i) << 2; /* add bit offset */ + cmd |= (new_bits & 0x01) << 23; /* add bit value */ + pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); + rmh.cmd[0] |= IO_NUM_REG_CUER; + rmh.cmd[1] = cmd; + rmh.cmd_len = 2; + snd_printdd("write iec958 AES %d byte %d bit %d (cmd %x)\n", + chip->chip_idx, aes_idx, i, cmd); + err = pcxhr_send_msg(chip->mgr, &rmh); + if (err) + return err; + } + old_bits >>= 1; + new_bits >>= 1; + } + chip->aes_bits[aes_idx] = aes_bits; + return 0; +} + +static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol); + int i, changed = 0; + + /* playback */ + mutex_lock(&chip->mgr->mixer_mutex); + for (i = 0; i < 5; i++) { + if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) { + if (chip->mgr->is_hr_stereo) + hr222_iec958_update_byte(chip, i, + ucontrol->value.iec958.status[i]); + else + pcxhr_iec958_update_byte(chip, i, + ucontrol->value.iec958.status[i]); + changed = 1; + } + } + mutex_unlock(&chip->mgr->mixer_mutex); + return changed; +} + +static struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), + .info = pcxhr_iec958_info, + .get = pcxhr_iec958_mask_get +}; +static struct snd_kcontrol_new pcxhr_control_playback_iec958 = { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), + .info = pcxhr_iec958_info, + .get = pcxhr_iec958_get, + .put = pcxhr_iec958_put, + .private_value = 0 /* playback */ +}; + +static struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK), + .info = pcxhr_iec958_info, + .get = pcxhr_iec958_mask_get +}; +static struct snd_kcontrol_new pcxhr_control_capture_iec958 = { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT), + .info = pcxhr_iec958_info, + .get = pcxhr_iec958_get, + .private_value = 1 /* capture */ +}; + +static void pcxhr_init_audio_levels(struct snd_pcxhr *chip) +{ + int i; + + for (i = 0; i < 2; i++) { + if (chip->nb_streams_play) { + int j; + /* at boot time the digital volumes are unmuted 0dB */ + for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) { + chip->digital_playback_active[j][i] = 1; + chip->digital_playback_volume[j][i] = + PCXHR_DIGITAL_ZERO_LEVEL; + } + /* after boot, only two bits are set on the uer + * interface + */ + chip->aes_bits[0] = (IEC958_AES0_PROFESSIONAL | + IEC958_AES0_PRO_FS_48000); +#ifdef CONFIG_SND_DEBUG + /* analog volumes for playback + * (is LEVEL_MIN after boot) + */ + chip->analog_playback_active[i] = 1; + if (chip->mgr->is_hr_stereo) + chip->analog_playback_volume[i] = + HR222_LINE_PLAYBACK_ZERO_LEVEL; + else { + chip->analog_playback_volume[i] = + PCXHR_LINE_PLAYBACK_ZERO_LEVEL; + pcxhr_update_analog_audio_level(chip, 0, i); + } +#endif + /* stereo cards need to be initialised after boot */ + if (chip->mgr->is_hr_stereo) + hr222_update_analog_audio_level(chip, 0, i); + } + if (chip->nb_streams_capt) { + /* at boot time the digital volumes are unmuted 0dB */ + chip->digital_capture_volume[i] = + PCXHR_DIGITAL_ZERO_LEVEL; + chip->analog_capture_active = 1; +#ifdef CONFIG_SND_DEBUG + /* analog volumes for playback + * (is LEVEL_MIN after boot) + */ + if (chip->mgr->is_hr_stereo) + chip->analog_capture_volume[i] = + HR222_LINE_CAPTURE_ZERO_LEVEL; + else { + chip->analog_capture_volume[i] = + PCXHR_LINE_CAPTURE_ZERO_LEVEL; + pcxhr_update_analog_audio_level(chip, 1, i); + } +#endif + /* stereo cards need to be initialised after boot */ + if (chip->mgr->is_hr_stereo) + hr222_update_analog_audio_level(chip, 1, i); + } + } + + return; +} + + +int pcxhr_create_mixer(struct pcxhr_mgr *mgr) +{ + struct snd_pcxhr *chip; + int err, i; + + mutex_init(&mgr->mixer_mutex); /* can be in another place */ + + for (i = 0; i < mgr->num_cards; i++) { + struct snd_kcontrol_new temp; + chip = mgr->chip[i]; + + if (chip->nb_streams_play) { + /* analog output level control */ + temp = pcxhr_control_analog_level; + temp.name = "Master Playback Volume"; + temp.private_value = 0; /* playback */ + if (mgr->is_hr_stereo) + temp.tlv.p = db_scale_a_hr222_playback; + else + temp.tlv.p = db_scale_analog_playback; + err = snd_ctl_add(chip->card, + snd_ctl_new1(&temp, chip)); + if (err < 0) + return err; + + /* output mute controls */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_output_switch, + chip)); + if (err < 0) + return err; + + temp = snd_pcxhr_pcm_vol; + temp.name = "PCM Playback Volume"; + temp.count = PCXHR_PLAYBACK_STREAMS; + temp.private_value = 0; /* playback */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&temp, chip)); + if (err < 0) + return err; + + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_pcm_switch, chip)); + if (err < 0) + return err; + + /* IEC958 controls */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_playback_iec958_mask, + chip)); + if (err < 0) + return err; + + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_playback_iec958, + chip)); + if (err < 0) + return err; + } + if (chip->nb_streams_capt) { + /* analog input level control */ + temp = pcxhr_control_analog_level; + temp.name = "Line Capture Volume"; + temp.private_value = 1; /* capture */ + if (mgr->is_hr_stereo) + temp.tlv.p = db_scale_a_hr222_capture; + else + temp.tlv.p = db_scale_analog_capture; + + err = snd_ctl_add(chip->card, + snd_ctl_new1(&temp, chip)); + if (err < 0) + return err; + + temp = snd_pcxhr_pcm_vol; + temp.name = "PCM Capture Volume"; + temp.count = 1; + temp.private_value = 1; /* capture */ + + err = snd_ctl_add(chip->card, + snd_ctl_new1(&temp, chip)); + if (err < 0) + return err; + + /* Audio source */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_audio_src, chip)); + if (err < 0) + return err; + + /* IEC958 controls */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_capture_iec958_mask, + chip)); + if (err < 0) + return err; + + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_capture_iec958, + chip)); + if (err < 0) + return err; + + if (mgr->is_hr_stereo) { + err = hr222_add_mic_controls(chip); + if (err < 0) + return err; + } + } + /* monitoring only if playback and capture device available */ + if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) { + /* monitoring */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_monitor_vol, chip)); + if (err < 0) + return err; + + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_monitor_sw, chip)); + if (err < 0) + return err; + } + + if (i == 0) { + /* clock mode only one control per pcxhr */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_clock_type, mgr)); + if (err < 0) + return err; + /* non standard control used to scan + * the external clock presence/frequencies + */ + err = snd_ctl_add(chip->card, + snd_ctl_new1(&pcxhr_control_clock_rate, mgr)); + if (err < 0) + return err; + } + + /* init values for the mixer data */ + pcxhr_init_audio_levels(chip); + } + + return 0; +} |