1 files changed, 101 insertions, 16 deletions

diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index 658d55769c9c..3222aed5fac6 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 +509,13 @@ static int snd_sb8_open(struct snd_pcm_substream *substream)
                 runtime->hw = snd_sb8_capture;
         }
         switch (chip->hardware) {
+        case SB_HW_JAZZ16:
+                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 +538,14 @@ 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 +558,10 @@ 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 +597,7 @@ 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 +610,11 @@ 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;