diff options
Diffstat (limited to 'sound/pci/oxygen/oxygen_mixer.c')
| -rw-r--r-- | sound/pci/oxygen/oxygen_mixer.c | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c new file mode 100644 index 000000000000..e252abac004e --- /dev/null +++ b/sound/pci/oxygen/oxygen_mixer.c @@ -0,0 +1,623 @@ +/* + * C-Media CMI8788 driver - mixer code + * + * Copyright (c) Clemens Ladisch <clemens@ladisch.de> + * + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2. + * + * This driver 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 driver; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <linux/mutex.h> +#include <sound/ac97_codec.h> +#include <sound/asoundef.h> +#include <sound/control.h> +#include <sound/tlv.h> +#include "oxygen.h" + +static int dac_volume_info(struct snd_kcontrol *ctl, + struct snd_ctl_elem_info *info) +{ + struct oxygen *chip = ctl->private_data; + + info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + info->count = 8; + info->value.integer.min = chip->model->dac_minimum_volume; + info->value.integer.max = 0xff; + return 0; +} + +static int dac_volume_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + unsigned int i; + + mutex_lock(&chip->mutex); + for (i = 0; i < 8; ++i) + value->value.integer.value[i] = chip->dac_volume[i]; + mutex_unlock(&chip->mutex); + return 0; +} + +static int dac_volume_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + unsigned int i; + int changed; + + changed = 0; + mutex_lock(&chip->mutex); + for (i = 0; i < 8; ++i) + if (value->value.integer.value[i] != chip->dac_volume[i]) { + chip->dac_volume[i] = value->value.integer.value[i]; + changed = 1; + } + if (changed) + chip->model->update_dac_volume(chip); + mutex_unlock(&chip->mutex); + return changed; +} + +static int dac_mute_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + + mutex_lock(&chip->mutex); + value->value.integer.value[0] = !chip->dac_mute; + mutex_unlock(&chip->mutex); + return 0; +} + +static int dac_mute_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + int changed; + + mutex_lock(&chip->mutex); + changed = !value->value.integer.value[0] != chip->dac_mute; + if (changed) { + chip->dac_mute = !value->value.integer.value[0]; + chip->model->update_dac_mute(chip); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) +{ + static const char *const names[3] = { + "Front", "Front+Rear", "Front+Rear+Side" + }; + 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 upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + + mutex_lock(&chip->mutex); + value->value.enumerated.item[0] = chip->dac_routing; + mutex_unlock(&chip->mutex); + return 0; +} + +void oxygen_update_dac_routing(struct oxygen *chip) +{ + /* + * hardware channel order: front, side, center/lfe, rear + * ALSA channel order: front, rear, center/lfe, side + */ + static const unsigned int reg_values[3] = { + 0x6c00, 0x2c00, 0x2000 + }; + unsigned int reg_value; + + if ((oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) & + OXYGEN_PLAY_CHANNELS_MASK) == OXYGEN_PLAY_CHANNELS_2) + reg_value = reg_values[chip->dac_routing]; + else + reg_value = 0x6c00; + oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value, 0xff00); +} + +static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + int changed; + + mutex_lock(&chip->mutex); + changed = value->value.enumerated.item[0] != chip->dac_routing; + if (changed) { + chip->dac_routing = min(value->value.enumerated.item[0], 2u); + spin_lock_irq(&chip->reg_lock); + oxygen_update_dac_routing(chip); + spin_unlock_irq(&chip->reg_lock); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static int spdif_switch_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + + mutex_lock(&chip->mutex); + value->value.integer.value[0] = chip->spdif_playback_enable; + mutex_unlock(&chip->mutex); + return 0; +} + +static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate) +{ + switch (oxygen_rate) { + case OXYGEN_RATE_32000: + return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT; + case OXYGEN_RATE_44100: + return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT; + default: /* OXYGEN_RATE_48000 */ + return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT; + case OXYGEN_RATE_64000: + return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT; + case OXYGEN_RATE_88200: + return 0x8 << OXYGEN_SPDIF_CS_RATE_SHIFT; + case OXYGEN_RATE_96000: + return 0xa << OXYGEN_SPDIF_CS_RATE_SHIFT; + case OXYGEN_RATE_176400: + return 0xc << OXYGEN_SPDIF_CS_RATE_SHIFT; + case OXYGEN_RATE_192000: + return 0xe << OXYGEN_SPDIF_CS_RATE_SHIFT; + } +} + +void oxygen_update_spdif_source(struct oxygen *chip) +{ + u32 old_control, new_control; + u16 old_routing, new_routing; + unsigned int oxygen_rate; + + old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL); + old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING); + if (chip->pcm_active & (1 << PCM_SPDIF)) { + new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE; + new_routing = (old_routing & ~0x00e0) | 0x0000; + oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT) + & OXYGEN_I2S_RATE_MASK; + /* S/PDIF rate was already set by the caller */ + } else if ((chip->pcm_active & (1 << PCM_MULTICH)) && + chip->spdif_playback_enable) { + new_routing = (old_routing & ~0x00e0) | 0x0020; + oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT) + & OXYGEN_I2S_RATE_MASK; + new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) | + (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) | + OXYGEN_SPDIF_OUT_ENABLE; + } else { + new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE; + new_routing = old_routing; + oxygen_rate = OXYGEN_RATE_44100; + } + if (old_routing != new_routing) { + oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, + new_control & ~OXYGEN_SPDIF_OUT_ENABLE); + oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing); + } + if (new_control & OXYGEN_SPDIF_OUT_ENABLE) + oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS, + oxygen_spdif_rate(oxygen_rate) | + ((chip->pcm_active & (1 << PCM_SPDIF)) ? + chip->spdif_pcm_bits : chip->spdif_bits)); + oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control); +} + +static int spdif_switch_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + int changed; + + mutex_lock(&chip->mutex); + changed = value->value.integer.value[0] != chip->spdif_playback_enable; + if (changed) { + chip->spdif_playback_enable = !!value->value.integer.value[0]; + spin_lock_irq(&chip->reg_lock); + oxygen_update_spdif_source(chip); + spin_unlock_irq(&chip->reg_lock); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) +{ + info->type = SNDRV_CTL_ELEM_TYPE_IEC958; + info->count = 1; + return 0; +} + +static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value) +{ + value->value.iec958.status[0] = + bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C | + OXYGEN_SPDIF_PREEMPHASIS); + value->value.iec958.status[1] = /* category and original */ + bits >> OXYGEN_SPDIF_CATEGORY_SHIFT; +} + +static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value) +{ + u32 bits; + + bits = value->value.iec958.status[0] & + (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C | + OXYGEN_SPDIF_PREEMPHASIS); + bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT; + if (bits & OXYGEN_SPDIF_NONAUDIO) + bits |= OXYGEN_SPDIF_V; + return bits; +} + +static inline void write_spdif_bits(struct oxygen *chip, u32 bits) +{ + oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits, + OXYGEN_SPDIF_NONAUDIO | + OXYGEN_SPDIF_C | + OXYGEN_SPDIF_PREEMPHASIS | + OXYGEN_SPDIF_CATEGORY_MASK | + OXYGEN_SPDIF_ORIGINAL | + OXYGEN_SPDIF_V); +} + +static int spdif_default_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + + mutex_lock(&chip->mutex); + oxygen_to_iec958(chip->spdif_bits, value); + mutex_unlock(&chip->mutex); + return 0; +} + +static int spdif_default_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + u32 new_bits; + int changed; + + new_bits = iec958_to_oxygen(value); + mutex_lock(&chip->mutex); + changed = new_bits != chip->spdif_bits; + if (changed) { + chip->spdif_bits = new_bits; + if (!(chip->pcm_active & (1 << PCM_SPDIF))) + write_spdif_bits(chip, new_bits); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static int spdif_mask_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + value->value.iec958.status[0] = IEC958_AES0_NONAUDIO | + IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS; + value->value.iec958.status[1] = + IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL; + return 0; +} + +static int spdif_pcm_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + + mutex_lock(&chip->mutex); + oxygen_to_iec958(chip->spdif_pcm_bits, value); + mutex_unlock(&chip->mutex); + return 0; +} + +static int spdif_pcm_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + u32 new_bits; + int changed; + + new_bits = iec958_to_oxygen(value); + mutex_lock(&chip->mutex); + changed = new_bits != chip->spdif_pcm_bits; + if (changed) { + chip->spdif_pcm_bits = new_bits; + if (chip->pcm_active & (1 << PCM_SPDIF)) + write_spdif_bits(chip, new_bits); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static int spdif_input_mask_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + value->value.iec958.status[0] = 0xff; + value->value.iec958.status[1] = 0xff; + value->value.iec958.status[2] = 0xff; + value->value.iec958.status[3] = 0xff; + return 0; +} + +static int spdif_input_default_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + u32 bits; + + bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS); + value->value.iec958.status[0] = bits; + value->value.iec958.status[1] = bits >> 8; + value->value.iec958.status[2] = bits >> 16; + value->value.iec958.status[3] = bits >> 24; + return 0; +} + +static int ac97_switch_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + unsigned int index = ctl->private_value & 0xff; + unsigned int bitnr = (ctl->private_value >> 8) & 0xff; + int invert = ctl->private_value & (1 << 16); + u16 reg; + + mutex_lock(&chip->mutex); + reg = oxygen_read_ac97(chip, 0, index); + mutex_unlock(&chip->mutex); + if (!(reg & (1 << bitnr)) ^ !invert) + value->value.integer.value[0] = 1; + else + value->value.integer.value[0] = 0; + return 0; +} + +static int ac97_switch_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + unsigned int index = ctl->private_value & 0xff; + unsigned int bitnr = (ctl->private_value >> 8) & 0xff; + int invert = ctl->private_value & (1 << 16); + u16 oldreg, newreg; + int change; + + mutex_lock(&chip->mutex); + oldreg = oxygen_read_ac97(chip, 0, index); + newreg = oldreg; + if (!value->value.integer.value[0] ^ !invert) + newreg |= 1 << bitnr; + else + newreg &= ~(1 << bitnr); + change = newreg != oldreg; + if (change) { + oxygen_write_ac97(chip, 0, index, newreg); + if (index == AC97_LINE) + oxygen_write_ac97_masked(chip, 0, 0x72, + !!(newreg & 0x8000), 0x0001); + } + mutex_unlock(&chip->mutex); + return change; +} + +static int ac97_volume_info(struct snd_kcontrol *ctl, + struct snd_ctl_elem_info *info) +{ + info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + info->count = 2; + info->value.integer.min = 0; + info->value.integer.max = 0x1f; + return 0; +} + +static int ac97_volume_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + unsigned int index = ctl->private_value; + u16 reg; + + mutex_lock(&chip->mutex); + reg = oxygen_read_ac97(chip, 0, index); + mutex_unlock(&chip->mutex); + value->value.integer.value[0] = 31 - (reg & 0x1f); + value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f); + return 0; +} + +static int ac97_volume_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + unsigned int index = ctl->private_value; + u16 oldreg, newreg; + int change; + + mutex_lock(&chip->mutex); + oldreg = oxygen_read_ac97(chip, 0, index); + newreg = oldreg; + newreg = (newreg & ~0x1f) | + (31 - (value->value.integer.value[0] & 0x1f)); + newreg = (newreg & ~0x1f00) | + ((31 - (value->value.integer.value[0] & 0x1f)) << 8); + change = newreg != oldreg; + if (change) + oxygen_write_ac97(chip, 0, index, newreg); + mutex_unlock(&chip->mutex); + return change; +} + +#define AC97_SWITCH(xname, index, bitnr, invert) { \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .info = snd_ctl_boolean_mono_info, \ + .get = ac97_switch_get, \ + .put = ac97_switch_put, \ + .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \ + } +#define AC97_VOLUME(xname, index) { \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .info = ac97_volume_info, \ + .get = ac97_volume_get, \ + .put = ac97_volume_put, \ + .tlv = { .p = ac97_db_scale, }, \ + .private_value = (index), \ + } + +static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0); + +static const struct snd_kcontrol_new controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .info = dac_volume_info, + .get = dac_volume_get, + .put = dac_volume_put, + .tlv = { + .p = NULL, /* set later */ + }, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .info = snd_ctl_boolean_mono_info, + .get = dac_mute_get, + .put = dac_mute_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Stereo Upmixing", + .info = upmix_info, + .get = upmix_get, + .put = upmix_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), + .info = snd_ctl_boolean_mono_info, + .get = spdif_switch_get, + .put = spdif_switch_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .device = 1, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), + .info = spdif_info, + .get = spdif_default_get, + .put = spdif_default_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .device = 1, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = spdif_info, + .get = spdif_mask_get, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .device = 1, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM), + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .info = spdif_info, + .get = spdif_pcm_get, + .put = spdif_pcm_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .device = 1, + .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK), + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = spdif_info, + .get = spdif_input_mask_get, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .device = 1, + .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT), + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = spdif_info, + .get = spdif_input_default_get, + }, + AC97_VOLUME("Mic Capture Volume", AC97_MIC), + AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1), + AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0), + AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1), + AC97_VOLUME("CD Capture Volume", AC97_CD), + AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1), + AC97_VOLUME("Aux Capture Volume", AC97_AUX), + AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1), +}; + +static void oxygen_any_ctl_free(struct snd_kcontrol *ctl) +{ + struct oxygen *chip = ctl->private_data; + + /* I'm too lazy to write a function for each control :-) */ + chip->spdif_pcm_ctl = NULL; + chip->spdif_input_bits_ctl = NULL; +} + +int oxygen_mixer_init(struct oxygen *chip) +{ + unsigned int i; + struct snd_kcontrol *ctl; + int err; + + for (i = 0; i < ARRAY_SIZE(controls); ++i) { + ctl = snd_ctl_new1(&controls[i], chip); + if (!ctl) + return -ENOMEM; + if (!strcmp(ctl->id.name, "PCM Playback Volume")) + ctl->tlv.p = chip->model->dac_tlv; + else if (chip->model->cd_in_from_video_in && + !strncmp(ctl->id.name, "CD Capture ", 11)) + ctl->private_value ^= AC97_CD ^ AC97_VIDEO; + err = snd_ctl_add(chip->card, ctl); + if (err < 0) + return err; + if (!strcmp(ctl->id.name, + SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM))) { + chip->spdif_pcm_ctl = ctl; + ctl->private_free = oxygen_any_ctl_free; + } else if (!strcmp(ctl->id.name, + SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT))) { + chip->spdif_input_bits_ctl = ctl; + ctl->private_free = oxygen_any_ctl_free; + } + } + return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0; +} |