aboutsummaryrefslogtreecommitdiffstats
path: root/sound/isa/sb/sb8_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/isa/sb/sb8_main.c')
-rw-r--r--sound/isa/sb/sb8_main.c118
1 files changed, 102 insertions, 16 deletions
diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index 658d55769c9c..7d84c9f34dc9 100644
--- a/sound/isa/sb/sb8_main.c
+++ b/sound/isa/sb/sb8_main.c
@@ -106,9 +106,21 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
struct snd_sb *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int mixreg, rate, size, count;
+ unsigned char format;
+ unsigned char stereo = runtime->channels > 1;
+ int dma;
rate = runtime->rate;
switch (chip->hardware) {
+ case SB_HW_JAZZ16:
+ if (runtime->format == SNDRV_PCM_FORMAT_S16_LE) {
+ if (chip->mode & SB_MODE_CAPTURE_16)
+ return -EBUSY;
+ else
+ chip->mode |= SB_MODE_PLAYBACK_16;
+ }
+ chip->playback_format = SB_DSP_LO_OUTPUT_AUTO;
+ break;
case SB_HW_PRO:
if (runtime->channels > 1) {
if (snd_BUG_ON(rate != SB8_RATE(11025) &&
@@ -133,11 +145,21 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
default:
return -EINVAL;
}
+ if (chip->mode & SB_MODE_PLAYBACK_16) {
+ format = stereo ? SB_DSP_STEREO_16BIT : SB_DSP_MONO_16BIT;
+ dma = chip->dma16;
+ } else {
+ format = stereo ? SB_DSP_STEREO_8BIT : SB_DSP_MONO_8BIT;
+ chip->mode |= SB_MODE_PLAYBACK_8;
+ dma = chip->dma8;
+ }
size = chip->p_dma_size = snd_pcm_lib_buffer_bytes(substream);
count = chip->p_period_size = snd_pcm_lib_period_bytes(substream);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_sbdsp_command(chip, SB_DSP_SPEAKER_ON);
- if (runtime->channels > 1) {
+ if (chip->hardware == SB_HW_JAZZ16)
+ snd_sbdsp_command(chip, format);
+ else if (stereo) {
/* set playback stereo mode */
spin_lock(&chip->mixer_lock);
mixreg = snd_sbmixer_read(chip, SB_DSP_STEREO_SW);
@@ -147,15 +169,14 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
/* Soundblaster hardware programming reference guide, 3-23 */
snd_sbdsp_command(chip, SB_DSP_DMA8_EXIT);
runtime->dma_area[0] = 0x80;
- snd_dma_program(chip->dma8, runtime->dma_addr, 1, DMA_MODE_WRITE);
+ snd_dma_program(dma, runtime->dma_addr, 1, DMA_MODE_WRITE);
/* force interrupt */
- chip->mode = SB_MODE_HALT;
snd_sbdsp_command(chip, SB_DSP_OUTPUT);
snd_sbdsp_command(chip, 0);
snd_sbdsp_command(chip, 0);
}
snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE);
- if (runtime->channels > 1) {
+ if (stereo) {
snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);
spin_lock(&chip->mixer_lock);
/* save output filter status and turn it off */
@@ -168,13 +189,15 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
snd_sbdsp_command(chip, 256 - runtime->rate_den);
}
if (chip->playback_format != SB_DSP_OUTPUT) {
+ if (chip->mode & SB_MODE_PLAYBACK_16)
+ count /= 2;
count--;
snd_sbdsp_command(chip, SB_DSP_BLOCK_SIZE);
snd_sbdsp_command(chip, count & 0xff);
snd_sbdsp_command(chip, count >> 8);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_dma_program(chip->dma8, runtime->dma_addr,
+ snd_dma_program(dma, runtime->dma_addr,
size, DMA_MODE_WRITE | DMA_AUTOINIT);
return 0;
}
@@ -212,7 +235,6 @@ static int snd_sb8_playback_trigger(struct snd_pcm_substream *substream,
snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
- chip->mode = (cmd == SNDRV_PCM_TRIGGER_START) ? SB_MODE_PLAYBACK_8 : SB_MODE_HALT;
return 0;
}
@@ -234,9 +256,21 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
struct snd_sb *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int mixreg, rate, size, count;
+ unsigned char format;
+ unsigned char stereo = runtime->channels > 1;
+ int dma;
rate = runtime->rate;
switch (chip->hardware) {
+ case SB_HW_JAZZ16:
+ if (runtime->format == SNDRV_PCM_FORMAT_S16_LE) {
+ if (chip->mode & SB_MODE_PLAYBACK_16)
+ return -EBUSY;
+ else
+ chip->mode |= SB_MODE_CAPTURE_16;
+ }
+ chip->capture_format = SB_DSP_LO_INPUT_AUTO;
+ break;
case SB_HW_PRO:
if (runtime->channels > 1) {
if (snd_BUG_ON(rate != SB8_RATE(11025) &&
@@ -262,14 +296,24 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
default:
return -EINVAL;
}
+ if (chip->mode & SB_MODE_CAPTURE_16) {
+ format = stereo ? SB_DSP_STEREO_16BIT : SB_DSP_MONO_16BIT;
+ dma = chip->dma16;
+ } else {
+ format = stereo ? SB_DSP_STEREO_8BIT : SB_DSP_MONO_8BIT;
+ chip->mode |= SB_MODE_CAPTURE_8;
+ dma = chip->dma8;
+ }
size = chip->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
count = chip->c_period_size = snd_pcm_lib_period_bytes(substream);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);
- if (runtime->channels > 1)
+ if (chip->hardware == SB_HW_JAZZ16)
+ snd_sbdsp_command(chip, format);
+ else if (stereo)
snd_sbdsp_command(chip, SB_DSP_STEREO_8BIT);
snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE);
- if (runtime->channels > 1) {
+ if (stereo) {
snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);
spin_lock(&chip->mixer_lock);
/* save input filter status and turn it off */
@@ -282,13 +326,15 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
snd_sbdsp_command(chip, 256 - runtime->rate_den);
}
if (chip->capture_format != SB_DSP_INPUT) {
+ if (chip->mode & SB_MODE_PLAYBACK_16)
+ count /= 2;
count--;
snd_sbdsp_command(chip, SB_DSP_BLOCK_SIZE);
snd_sbdsp_command(chip, count & 0xff);
snd_sbdsp_command(chip, count >> 8);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_dma_program(chip->dma8, runtime->dma_addr,
+ snd_dma_program(dma, runtime->dma_addr,
size, DMA_MODE_READ | DMA_AUTOINIT);
return 0;
}
@@ -328,7 +374,6 @@ static int snd_sb8_capture_trigger(struct snd_pcm_substream *substream,
snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
- chip->mode = (cmd == SNDRV_PCM_TRIGGER_START) ? SB_MODE_CAPTURE_8 : SB_MODE_HALT;
return 0;
}
@@ -339,13 +384,21 @@ irqreturn_t snd_sb8dsp_interrupt(struct snd_sb *chip)
snd_sb_ack_8bit(chip);
switch (chip->mode) {
- case SB_MODE_PLAYBACK_8: /* ok.. playback is active */
+ case SB_MODE_PLAYBACK_16: /* ok.. playback is active */
+ if (chip->hardware != SB_HW_JAZZ16)
+ break;
+ /* fallthru */
+ case SB_MODE_PLAYBACK_8:
substream = chip->playback_substream;
runtime = substream->runtime;
if (chip->playback_format == SB_DSP_OUTPUT)
snd_sb8_playback_trigger(substream, SNDRV_PCM_TRIGGER_START);
snd_pcm_period_elapsed(substream);
break;
+ case SB_MODE_CAPTURE_16:
+ if (chip->hardware != SB_HW_JAZZ16)
+ break;
+ /* fallthru */
case SB_MODE_CAPTURE_8:
substream = chip->capture_substream;
runtime = substream->runtime;
@@ -361,10 +414,15 @@ static snd_pcm_uframes_t snd_sb8_playback_pointer(struct snd_pcm_substream *subs
{
struct snd_sb *chip = snd_pcm_substream_chip(substream);
size_t ptr;
+ int dma;
- if (chip->mode != SB_MODE_PLAYBACK_8)
+ if (chip->mode & SB_MODE_PLAYBACK_8)
+ dma = chip->dma8;
+ else if (chip->mode & SB_MODE_PLAYBACK_16)
+ dma = chip->dma16;
+ else
return 0;
- ptr = snd_dma_pointer(chip->dma8, chip->p_dma_size);
+ ptr = snd_dma_pointer(dma, chip->p_dma_size);
return bytes_to_frames(substream->runtime, ptr);
}
@@ -372,10 +430,15 @@ static snd_pcm_uframes_t snd_sb8_capture_pointer(struct snd_pcm_substream *subst
{
struct snd_sb *chip = snd_pcm_substream_chip(substream);
size_t ptr;
+ int dma;
- if (chip->mode != SB_MODE_CAPTURE_8)
+ if (chip->mode & SB_MODE_CAPTURE_8)
+ dma = chip->dma8;
+ else if (chip->mode & SB_MODE_CAPTURE_16)
+ dma = chip->dma16;
+ else
return 0;
- ptr = snd_dma_pointer(chip->dma8, chip->c_dma_size);
+ ptr = snd_dma_pointer(dma, chip->c_dma_size);
return bytes_to_frames(substream->runtime, ptr);
}
@@ -446,6 +509,14 @@ static int snd_sb8_open(struct snd_pcm_substream *substream)
runtime->hw = snd_sb8_capture;
}
switch (chip->hardware) {
+ case SB_HW_JAZZ16:
+ if (chip->dma16 == 5 || chip->dma16 == 7)
+ runtime->hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;
+ runtime->hw.rates |= SNDRV_PCM_RATE_8000_48000;
+ runtime->hw.rate_min = 4000;
+ runtime->hw.rate_max = 50000;
+ runtime->hw.channels_max = 2;
+ break;
case SB_HW_PRO:
runtime->hw.rate_max = 44100;
runtime->hw.channels_max = 2;
@@ -468,6 +539,14 @@ static int snd_sb8_open(struct snd_pcm_substream *substream)
}
snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&hw_constraints_clock);
+ if (chip->dma8 > 3 || chip->dma16 >= 0) {
+ snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 2);
+ snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 2);
+ runtime->hw.buffer_bytes_max = 128 * 1024 * 1024;
+ runtime->hw.period_bytes_max = 128 * 1024 * 1024;
+ }
return 0;
}
@@ -480,6 +559,10 @@ static int snd_sb8_close(struct snd_pcm_substream *substream)
chip->capture_substream = NULL;
spin_lock_irqsave(&chip->open_lock, flags);
chip->open &= ~SB_OPEN_PCM;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ chip->mode &= ~SB_MODE_PLAYBACK;
+ else
+ chip->mode &= ~SB_MODE_CAPTURE;
spin_unlock_irqrestore(&chip->open_lock, flags);
return 0;
}
@@ -515,6 +598,7 @@ int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm)
struct snd_card *card = chip->card;
struct snd_pcm *pcm;
int err;
+ size_t max_prealloc = 64 * 1024;
if (rpcm)
*rpcm = NULL;
@@ -527,9 +611,11 @@ int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sb8_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sb8_capture_ops);
+ if (chip->dma8 > 3 || chip->dma16 >= 0)
+ max_prealloc = 128 * 1024;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_isa_data(),
- 64*1024, 64*1024);
+ 64*1024, max_prealloc);
if (rpcm)
*rpcm = pcm;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.