diff options
author | Clemens Ladisch <clemens@ladisch.de> | 2005-08-10 10:21:43 +0200 |
---|---|---|
committer | Jaroslav Kysela <perex@suse.cz> | 2005-08-30 08:44:46 +0200 |
commit | 9bcf655109ae06a8e652671a0de6fe2da5c213c2 (patch) | |
tree | 13c6001737bf5f0ae3e32b188259bff64c8d4e01 | |
parent | a55bfdc5821df787068da15a6864f2c669d7d22c (diff) | |
download | linux-3.10-9bcf655109ae06a8e652671a0de6fe2da5c213c2.tar.gz linux-3.10-9bcf655109ae06a8e652671a0de6fe2da5c213c2.tar.bz2 linux-3.10-9bcf655109ae06a8e652671a0de6fe2da5c213c2.zip |
[ALSA] ymfpci: add per-voice volume controls
YMFPCI driver
Implements mixer controls for the volume of each playback substream of
the main PCM device.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
-rw-r--r-- | include/sound/ymfpci.h | 6 | ||||
-rw-r--r-- | sound/pci/ymfpci/ymfpci_main.c | 232 |
2 files changed, 166 insertions, 72 deletions
diff --git a/include/sound/ymfpci.h b/include/sound/ymfpci.h index 4b570684a6a..9a3c1e6c820 100644 --- a/include/sound/ymfpci.h +++ b/include/sound/ymfpci.h @@ -295,6 +295,7 @@ struct _snd_ymfpci_pcm { unsigned int running: 1; unsigned int output_front: 1; unsigned int output_rear: 1; + unsigned int update_pcm_vol; u32 period_size; /* cached from runtime->period_size */ u32 buffer_size; /* cached from runtime->buffer_size */ u32 period_pos; @@ -367,6 +368,11 @@ struct _snd_ymfpci { int mode_dup4ch; int rear_opened; int spdif_opened; + struct { + u16 left; + u16 right; + snd_kcontrol_t *ctl; + } pcm_mixer[32]; spinlock_t reg_lock; spinlock_t voice_lock; diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index d54f88a1b52..054836412dc 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -321,6 +321,26 @@ static void snd_ymfpci_pcm_interrupt(ymfpci_t *chip, ymfpci_voice_t *voice) snd_pcm_period_elapsed(ypcm->substream); spin_lock(&chip->reg_lock); } + + if (unlikely(ypcm->update_pcm_vol)) { + unsigned int subs = ypcm->substream->number; + unsigned int next_bank = 1 - chip->active_bank; + snd_ymfpci_playback_bank_t *bank; + u32 volume; + + bank = &voice->bank[next_bank]; + volume = cpu_to_le32(chip->pcm_mixer[subs].left << 15); + bank->left_gain_end = volume; + if (ypcm->output_rear) + bank->eff2_gain_end = volume; + if (ypcm->voices[1]) + bank = &ypcm->voices[1]->bank[next_bank]; + volume = cpu_to_le32(chip->pcm_mixer[subs].right << 15); + bank->right_gain_end = volume; + if (ypcm->output_rear) + bank->eff3_gain_end = volume; + ypcm->update_pcm_vol--; + } } spin_unlock(&chip->reg_lock); } @@ -451,87 +471,74 @@ static int snd_ymfpci_pcm_voice_alloc(ymfpci_pcm_t *ypcm, int voices) return 0; } -static void snd_ymfpci_pcm_init_voice(ymfpci_voice_t *voice, int stereo, - int rate, int w_16, unsigned long addr, - unsigned int end, - int output_front, int output_rear) +static void snd_ymfpci_pcm_init_voice(ymfpci_pcm_t *ypcm, unsigned int voiceidx, + snd_pcm_runtime_t *runtime, + int has_pcm_volume) { + ymfpci_voice_t *voice = ypcm->voices[voiceidx]; u32 format; - u32 delta = snd_ymfpci_calc_delta(rate); - u32 lpfQ = snd_ymfpci_calc_lpfQ(rate); - u32 lpfK = snd_ymfpci_calc_lpfK(rate); + u32 delta = snd_ymfpci_calc_delta(runtime->rate); + u32 lpfQ = snd_ymfpci_calc_lpfQ(runtime->rate); + u32 lpfK = snd_ymfpci_calc_lpfK(runtime->rate); snd_ymfpci_playback_bank_t *bank; unsigned int nbank; + u32 vol_left, vol_right; + u8 use_left, use_right; snd_assert(voice != NULL, return); - format = (stereo ? 0x00010000 : 0) | (w_16 ? 0 : 0x80000000); + if (runtime->channels == 1) { + use_left = 1; + use_right = 1; + } else { + use_left = (voiceidx & 1) == 0; + use_right = !use_left; + } + if (has_pcm_volume) { + vol_left = cpu_to_le32(ypcm->chip->pcm_mixer + [ypcm->substream->number].left << 15); + vol_right = cpu_to_le32(ypcm->chip->pcm_mixer + [ypcm->substream->number].right << 15); + } else { + vol_left = cpu_to_le32(0x40000000); + vol_right = cpu_to_le32(0x40000000); + } + format = runtime->channels == 2 ? 0x00010000 : 0; + if (snd_pcm_format_width(runtime->format) == 8) + format |= 0x80000000; + if (runtime->channels == 2 && (voiceidx & 1) != 0) + format |= 1; for (nbank = 0; nbank < 2; nbank++) { bank = &voice->bank[nbank]; + memset(bank, 0, sizeof(*bank)); bank->format = cpu_to_le32(format); - bank->loop_default = 0; - bank->base = cpu_to_le32(addr); - bank->loop_start = 0; - bank->loop_end = cpu_to_le32(end); - bank->loop_frac = 0; - bank->eg_gain_end = cpu_to_le32(0x40000000); + bank->base = cpu_to_le32(runtime->dma_addr); + bank->loop_end = cpu_to_le32(ypcm->buffer_size); bank->lpfQ = cpu_to_le32(lpfQ); - bank->status = 0; - bank->num_of_frames = 0; - bank->loop_count = 0; - bank->start = 0; - bank->start_frac = 0; bank->delta = bank->delta_end = cpu_to_le32(delta); bank->lpfK = bank->lpfK_end = cpu_to_le32(lpfK); - bank->eg_gain = cpu_to_le32(0x40000000); - bank->lpfD1 = - bank->lpfD2 = 0; - - bank->left_gain = - bank->right_gain = - bank->left_gain_end = - bank->right_gain_end = - bank->eff1_gain = - bank->eff2_gain = - bank->eff3_gain = - bank->eff1_gain_end = - bank->eff2_gain_end = - bank->eff3_gain_end = 0; - - if (!stereo) { - if (output_front) { - bank->left_gain = + bank->eg_gain = + bank->eg_gain_end = cpu_to_le32(0x40000000); + + if (ypcm->output_front) { + if (use_left) { + bank->left_gain = + bank->left_gain_end = vol_left; + } + if (use_right) { bank->right_gain = - bank->left_gain_end = - bank->right_gain_end = cpu_to_le32(0x40000000); + bank->right_gain_end = vol_right; } - if (output_rear) { + } + if (ypcm->output_rear) { + if (use_left) { bank->eff2_gain = - bank->eff2_gain_end = - bank->eff3_gain = - bank->eff3_gain_end = cpu_to_le32(0x40000000); - } - } else { - if (output_front) { - if ((voice->number & 1) == 0) { - bank->left_gain = - bank->left_gain_end = cpu_to_le32(0x40000000); - } else { - bank->format |= cpu_to_le32(1); - bank->right_gain = - bank->right_gain_end = cpu_to_le32(0x40000000); - } + bank->eff2_gain_end = vol_left; } - if (output_rear) { - if ((voice->number & 1) == 0) { - bank->eff3_gain = - bank->eff3_gain_end = cpu_to_le32(0x40000000); - } else { - bank->format |= cpu_to_le32(1); - bank->eff2_gain = - bank->eff2_gain_end = cpu_to_le32(0x40000000); - } + if (use_right) { + bank->eff3_gain = + bank->eff3_gain_end = vol_right; } } } @@ -613,7 +620,7 @@ static int snd_ymfpci_playback_hw_free(snd_pcm_substream_t * substream) static int snd_ymfpci_playback_prepare(snd_pcm_substream_t * substream) { - // ymfpci_t *chip = snd_pcm_substream_chip(substream); + ymfpci_t *chip = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; ymfpci_pcm_t *ypcm = runtime->private_data; unsigned int nvoice; @@ -623,14 +630,8 @@ static int snd_ymfpci_playback_prepare(snd_pcm_substream_t * substream) ypcm->period_pos = 0; ypcm->last_pos = 0; for (nvoice = 0; nvoice < runtime->channels; nvoice++) - snd_ymfpci_pcm_init_voice(ypcm->voices[nvoice], - runtime->channels == 2, - runtime->rate, - snd_pcm_format_width(runtime->format) == 16, - runtime->dma_addr, - ypcm->buffer_size, - ypcm->output_front, - ypcm->output_rear); + snd_ymfpci_pcm_init_voice(ypcm, nvoice, runtime, + substream->pcm == chip->pcm); return 0; } @@ -882,6 +883,7 @@ static int snd_ymfpci_playback_open(snd_pcm_substream_t * substream) ymfpci_t *chip = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; ymfpci_pcm_t *ypcm; + snd_kcontrol_t *kctl; int err; if ((err = snd_ymfpci_playback_open_1(substream)) < 0) @@ -895,6 +897,10 @@ static int snd_ymfpci_playback_open(snd_pcm_substream_t * substream) chip->rear_opened++; } spin_unlock_irq(&chip->reg_lock); + + kctl = chip->pcm_mixer[substream->number].ctl; + kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id); return 0; } @@ -987,6 +993,7 @@ static int snd_ymfpci_playback_close(snd_pcm_substream_t * substream) { ymfpci_t *chip = snd_pcm_substream_chip(substream); ymfpci_pcm_t *ypcm = substream->runtime->private_data; + snd_kcontrol_t *kctl; spin_lock_irq(&chip->reg_lock); if (ypcm->output_rear && chip->rear_opened > 0) { @@ -994,6 +1001,9 @@ static int snd_ymfpci_playback_close(snd_pcm_substream_t * substream) ymfpci_close_extension(chip); } spin_unlock_irq(&chip->reg_lock); + kctl = chip->pcm_mixer[substream->number].ctl; + kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id); return snd_ymfpci_playback_close_1(substream); } @@ -1665,6 +1675,66 @@ static snd_kcontrol_new_t snd_ymfpci_rear_shared __devinitdata = { .private_value = 2, }; +/* + * PCM voice volume + */ + +static int snd_ymfpci_pcm_vol_info(snd_kcontrol_t *kcontrol, + snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 0x8000; + return 0; +} + +static int snd_ymfpci_pcm_vol_get(snd_kcontrol_t *kcontrol, + snd_ctl_elem_value_t *ucontrol) +{ + ymfpci_t *chip = snd_kcontrol_chip(kcontrol); + unsigned int subs = kcontrol->id.subdevice; + + ucontrol->value.integer.value[0] = chip->pcm_mixer[subs].left; + ucontrol->value.integer.value[1] = chip->pcm_mixer[subs].right; + return 0; +} + +static int snd_ymfpci_pcm_vol_put(snd_kcontrol_t *kcontrol, + snd_ctl_elem_value_t *ucontrol) +{ + ymfpci_t *chip = snd_kcontrol_chip(kcontrol); + unsigned int subs = kcontrol->id.subdevice; + snd_pcm_substream_t *substream; + unsigned long flags; + + if (ucontrol->value.integer.value[0] != chip->pcm_mixer[subs].left || + ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) { + chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0]; + chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1]; + + substream = (snd_pcm_substream_t *)kcontrol->private_value; + spin_lock_irqsave(&chip->voice_lock, flags); + if (substream->runtime && substream->runtime->private_data) { + ymfpci_pcm_t *ypcm = substream->runtime->private_data; + ypcm->update_pcm_vol = 2; + } + spin_unlock_irqrestore(&chip->voice_lock, flags); + return 1; + } + return 0; +} + +static snd_kcontrol_new_t snd_ymfpci_pcm_volume __devinitdata = { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "PCM Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .info = snd_ymfpci_pcm_vol_info, + .get = snd_ymfpci_pcm_vol_get, + .put = snd_ymfpci_pcm_vol_put, +}; + /* * Mixer routines @@ -1686,6 +1756,7 @@ int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch) { ac97_template_t ac97; snd_kcontrol_t *kctl; + snd_pcm_substream_t *substream; unsigned int idx; int err; static ac97_bus_ops_t ops = { @@ -1739,6 +1810,23 @@ int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch) return err; } + /* per-voice volume */ + substream = chip->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + for (idx = 0; idx < 32; ++idx) { + kctl = snd_ctl_new1(&snd_ymfpci_pcm_volume, chip); + if (!kctl) + return -ENOMEM; + kctl->id.device = chip->pcm->device; + kctl->id.subdevice = idx; + kctl->private_value = (unsigned long)substream; + if ((err = snd_ctl_add(chip->card, kctl)) < 0) + return err; + chip->pcm_mixer[idx].left = 0x8000; + chip->pcm_mixer[idx].right = 0x8000; + chip->pcm_mixer[idx].ctl = kctl; + substream = substream->next; + } + return 0; } |