[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>
This commit is contained in:
Clemens Ladisch
Jaroslav Kysela
parent
a55bfdc582
commit
9bcf655109
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@ -295,6 +295,7 @@ struct _snd_ymfpci_pcm {
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unsigned int running: 1;
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unsigned int output_front: 1;
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unsigned int output_rear: 1;
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unsigned int update_pcm_vol;
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u32 period_size; /* cached from runtime->period_size */
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u32 buffer_size; /* cached from runtime->buffer_size */
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u32 period_pos;
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@ -367,6 +368,11 @@ struct _snd_ymfpci {
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int mode_dup4ch;
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int rear_opened;
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int spdif_opened;
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struct {
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u16 left;
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u16 right;
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snd_kcontrol_t *ctl;
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} pcm_mixer[32];
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spinlock_t reg_lock;
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spinlock_t voice_lock;
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@ -321,6 +321,26 @@ static void snd_ymfpci_pcm_interrupt(ymfpci_t *chip, ymfpci_voice_t *voice)
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snd_pcm_period_elapsed(ypcm->substream);
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spin_lock(&chip->reg_lock);
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}
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if (unlikely(ypcm->update_pcm_vol)) {
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unsigned int subs = ypcm->substream->number;
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unsigned int next_bank = 1 - chip->active_bank;
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snd_ymfpci_playback_bank_t *bank;
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u32 volume;
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bank = &voice->bank[next_bank];
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volume = cpu_to_le32(chip->pcm_mixer[subs].left << 15);
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bank->left_gain_end = volume;
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if (ypcm->output_rear)
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bank->eff2_gain_end = volume;
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if (ypcm->voices[1])
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bank = &ypcm->voices[1]->bank[next_bank];
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volume = cpu_to_le32(chip->pcm_mixer[subs].right << 15);
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bank->right_gain_end = volume;
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if (ypcm->output_rear)
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bank->eff3_gain_end = volume;
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ypcm->update_pcm_vol--;
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}
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}
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spin_unlock(&chip->reg_lock);
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}
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@ -451,87 +471,74 @@ static int snd_ymfpci_pcm_voice_alloc(ymfpci_pcm_t *ypcm, int voices)
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return 0;
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}
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static void snd_ymfpci_pcm_init_voice(ymfpci_voice_t *voice, int stereo,
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int rate, int w_16, unsigned long addr,
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unsigned int end,
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int output_front, int output_rear)
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static void snd_ymfpci_pcm_init_voice(ymfpci_pcm_t *ypcm, unsigned int voiceidx,
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snd_pcm_runtime_t *runtime,
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int has_pcm_volume)
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{
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ymfpci_voice_t *voice = ypcm->voices[voiceidx];
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u32 format;
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u32 delta = snd_ymfpci_calc_delta(rate);
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u32 lpfQ = snd_ymfpci_calc_lpfQ(rate);
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u32 lpfK = snd_ymfpci_calc_lpfK(rate);
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u32 delta = snd_ymfpci_calc_delta(runtime->rate);
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u32 lpfQ = snd_ymfpci_calc_lpfQ(runtime->rate);
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u32 lpfK = snd_ymfpci_calc_lpfK(runtime->rate);
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snd_ymfpci_playback_bank_t *bank;
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unsigned int nbank;
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u32 vol_left, vol_right;
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u8 use_left, use_right;
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snd_assert(voice != NULL, return);
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format = (stereo ? 0x00010000 : 0) | (w_16 ? 0 : 0x80000000);
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if (runtime->channels == 1) {
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use_left = 1;
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use_right = 1;
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} else {
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use_left = (voiceidx & 1) == 0;
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use_right = !use_left;
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}
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if (has_pcm_volume) {
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vol_left = cpu_to_le32(ypcm->chip->pcm_mixer
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[ypcm->substream->number].left << 15);
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vol_right = cpu_to_le32(ypcm->chip->pcm_mixer
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[ypcm->substream->number].right << 15);
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} else {
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vol_left = cpu_to_le32(0x40000000);
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vol_right = cpu_to_le32(0x40000000);
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}
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format = runtime->channels == 2 ? 0x00010000 : 0;
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if (snd_pcm_format_width(runtime->format) == 8)
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format |= 0x80000000;
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if (runtime->channels == 2 && (voiceidx & 1) != 0)
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format |= 1;
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for (nbank = 0; nbank < 2; nbank++) {
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bank = &voice->bank[nbank];
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memset(bank, 0, sizeof(*bank));
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bank->format = cpu_to_le32(format);
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bank->loop_default = 0;
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bank->base = cpu_to_le32(addr);
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bank->loop_start = 0;
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bank->loop_end = cpu_to_le32(end);
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bank->loop_frac = 0;
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bank->eg_gain_end = cpu_to_le32(0x40000000);
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bank->base = cpu_to_le32(runtime->dma_addr);
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bank->loop_end = cpu_to_le32(ypcm->buffer_size);
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bank->lpfQ = cpu_to_le32(lpfQ);
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bank->status = 0;
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bank->num_of_frames = 0;
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bank->loop_count = 0;
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bank->start = 0;
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bank->start_frac = 0;
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bank->delta =
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bank->delta_end = cpu_to_le32(delta);
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bank->lpfK =
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bank->lpfK_end = cpu_to_le32(lpfK);
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bank->eg_gain = cpu_to_le32(0x40000000);
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bank->lpfD1 =
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bank->lpfD2 = 0;
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bank->eg_gain =
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bank->eg_gain_end = cpu_to_le32(0x40000000);
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bank->left_gain =
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bank->right_gain =
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bank->left_gain_end =
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bank->right_gain_end =
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bank->eff1_gain =
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bank->eff2_gain =
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bank->eff3_gain =
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bank->eff1_gain_end =
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bank->eff2_gain_end =
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bank->eff3_gain_end = 0;
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if (!stereo) {
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if (output_front) {
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bank->left_gain =
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if (ypcm->output_front) {
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if (use_left) {
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bank->left_gain =
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bank->left_gain_end = vol_left;
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}
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if (use_right) {
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bank->right_gain =
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bank->left_gain_end =
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bank->right_gain_end = cpu_to_le32(0x40000000);
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bank->right_gain_end = vol_right;
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}
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if (output_rear) {
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}
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if (ypcm->output_rear) {
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if (use_left) {
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bank->eff2_gain =
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bank->eff2_gain_end =
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bank->eff2_gain_end = vol_left;
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}
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if (use_right) {
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bank->eff3_gain =
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bank->eff3_gain_end = cpu_to_le32(0x40000000);
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}
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} else {
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if (output_front) {
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if ((voice->number & 1) == 0) {
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bank->left_gain =
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bank->left_gain_end = cpu_to_le32(0x40000000);
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} else {
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bank->format |= cpu_to_le32(1);
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bank->right_gain =
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bank->right_gain_end = cpu_to_le32(0x40000000);
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}
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}
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if (output_rear) {
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if ((voice->number & 1) == 0) {
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bank->eff3_gain =
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bank->eff3_gain_end = cpu_to_le32(0x40000000);
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} else {
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bank->format |= cpu_to_le32(1);
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bank->eff2_gain =
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bank->eff2_gain_end = cpu_to_le32(0x40000000);
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}
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bank->eff3_gain_end = vol_right;
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}
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}
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}
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@ -613,7 +620,7 @@ static int snd_ymfpci_playback_hw_free(snd_pcm_substream_t * substream)
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static int snd_ymfpci_playback_prepare(snd_pcm_substream_t * substream)
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{
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// ymfpci_t *chip = snd_pcm_substream_chip(substream);
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ymfpci_t *chip = snd_pcm_substream_chip(substream);
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snd_pcm_runtime_t *runtime = substream->runtime;
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ymfpci_pcm_t *ypcm = runtime->private_data;
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unsigned int nvoice;
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@ -623,14 +630,8 @@ static int snd_ymfpci_playback_prepare(snd_pcm_substream_t * substream)
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ypcm->period_pos = 0;
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ypcm->last_pos = 0;
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for (nvoice = 0; nvoice < runtime->channels; nvoice++)
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snd_ymfpci_pcm_init_voice(ypcm->voices[nvoice],
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runtime->channels == 2,
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runtime->rate,
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snd_pcm_format_width(runtime->format) == 16,
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runtime->dma_addr,
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ypcm->buffer_size,
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ypcm->output_front,
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ypcm->output_rear);
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snd_ymfpci_pcm_init_voice(ypcm, nvoice, runtime,
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substream->pcm == chip->pcm);
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return 0;
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}
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@ -882,6 +883,7 @@ static int snd_ymfpci_playback_open(snd_pcm_substream_t * substream)
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ymfpci_t *chip = snd_pcm_substream_chip(substream);
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snd_pcm_runtime_t *runtime = substream->runtime;
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ymfpci_pcm_t *ypcm;
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snd_kcontrol_t *kctl;
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int err;
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if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
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@ -895,6 +897,10 @@ static int snd_ymfpci_playback_open(snd_pcm_substream_t * substream)
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chip->rear_opened++;
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}
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spin_unlock_irq(&chip->reg_lock);
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kctl = chip->pcm_mixer[substream->number].ctl;
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kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
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snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
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return 0;
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}
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@ -987,6 +993,7 @@ static int snd_ymfpci_playback_close(snd_pcm_substream_t * substream)
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{
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ymfpci_t *chip = snd_pcm_substream_chip(substream);
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ymfpci_pcm_t *ypcm = substream->runtime->private_data;
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snd_kcontrol_t *kctl;
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spin_lock_irq(&chip->reg_lock);
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if (ypcm->output_rear && chip->rear_opened > 0) {
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@ -994,6 +1001,9 @@ static int snd_ymfpci_playback_close(snd_pcm_substream_t * substream)
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ymfpci_close_extension(chip);
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}
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spin_unlock_irq(&chip->reg_lock);
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kctl = chip->pcm_mixer[substream->number].ctl;
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kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
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snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
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return snd_ymfpci_playback_close_1(substream);
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}
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@ -1665,6 +1675,66 @@ static snd_kcontrol_new_t snd_ymfpci_rear_shared __devinitdata = {
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.private_value = 2,
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};
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/*
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* PCM voice volume
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*/
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static int snd_ymfpci_pcm_vol_info(snd_kcontrol_t *kcontrol,
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snd_ctl_elem_info_t *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 0x8000;
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return 0;
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}
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static int snd_ymfpci_pcm_vol_get(snd_kcontrol_t *kcontrol,
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snd_ctl_elem_value_t *ucontrol)
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{
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ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
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unsigned int subs = kcontrol->id.subdevice;
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ucontrol->value.integer.value[0] = chip->pcm_mixer[subs].left;
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ucontrol->value.integer.value[1] = chip->pcm_mixer[subs].right;
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return 0;
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}
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static int snd_ymfpci_pcm_vol_put(snd_kcontrol_t *kcontrol,
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snd_ctl_elem_value_t *ucontrol)
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{
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ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
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unsigned int subs = kcontrol->id.subdevice;
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snd_pcm_substream_t *substream;
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unsigned long flags;
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if (ucontrol->value.integer.value[0] != chip->pcm_mixer[subs].left ||
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ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) {
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chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0];
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chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1];
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substream = (snd_pcm_substream_t *)kcontrol->private_value;
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spin_lock_irqsave(&chip->voice_lock, flags);
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if (substream->runtime && substream->runtime->private_data) {
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ymfpci_pcm_t *ypcm = substream->runtime->private_data;
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ypcm->update_pcm_vol = 2;
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}
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spin_unlock_irqrestore(&chip->voice_lock, flags);
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return 1;
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}
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return 0;
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}
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static snd_kcontrol_new_t snd_ymfpci_pcm_volume __devinitdata = {
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.iface = SNDRV_CTL_ELEM_IFACE_PCM,
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.name = "PCM Playback Volume",
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_INACTIVE,
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.info = snd_ymfpci_pcm_vol_info,
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.get = snd_ymfpci_pcm_vol_get,
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.put = snd_ymfpci_pcm_vol_put,
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};
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/*
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* Mixer routines
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@ -1686,6 +1756,7 @@ int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch)
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{
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ac97_template_t ac97;
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snd_kcontrol_t *kctl;
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snd_pcm_substream_t *substream;
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unsigned int idx;
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int err;
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static ac97_bus_ops_t ops = {
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@ -1739,6 +1810,23 @@ int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch)
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return err;
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}
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/* per-voice volume */
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substream = chip->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
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for (idx = 0; idx < 32; ++idx) {
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kctl = snd_ctl_new1(&snd_ymfpci_pcm_volume, chip);
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if (!kctl)
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return -ENOMEM;
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kctl->id.device = chip->pcm->device;
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kctl->id.subdevice = idx;
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kctl->private_value = (unsigned long)substream;
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if ((err = snd_ctl_add(chip->card, kctl)) < 0)
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return err;
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chip->pcm_mixer[idx].left = 0x8000;
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chip->pcm_mixer[idx].right = 0x8000;
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chip->pcm_mixer[idx].ctl = kctl;
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substream = substream->next;
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}
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return 0;
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}
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