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- build.sh uses the branch aes67-daemon of the new github repo https://github.com/bondagit/ravenna-alsa-lkm.git

Browse Source 
This repo is a fork of the original one with the bondagit patches applied to the aes67-daemon branch
- removed ravenna-alsa-lkm driver patches from the repo
This commit is contained in:
Andrea Bondavalli 2021-02-16 21:09:50 +01:00
parent 330b1cf4db
commit fe3ff1aabd
12 changed files with 2 additions and 2571 deletions
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525
3rdparty/patches/ravenna-alsa-fix-playback-rw-mode.patch vendored
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@ -1,525 +0,0 @@
diff --git a/driver/audio_driver.c b/driver/audio_driver.c
--- a/driver/audio_driver.c
+++ b/driver/audio_driver.c
@@ -99,24 +99,14 @@
static struct alsa_ops *g_mr_alsa_audio_ops;
-static int mr_alsa_audio_pcm_capture_copy( struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos,
- void __user *src,
- snd_pcm_uframes_t count);
static int mr_alsa_audio_pcm_capture_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count,
- bool to_user_space);
-static int mr_alsa_audio_pcm_playback_copy( struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos,
- void __user *src,
snd_pcm_uframes_t count);
static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count,
- bool from_user_space);
+ snd_pcm_uframes_t count);
/// "chip" : the main private structure
struct mr_alsa_audio_chip
@@ -611,6 +601,7 @@
chip->mr_alsa_audio_ops->get_interrupts_frame_size(chip->ravenna_peer, &ptp_frame_size);
if(direction == 1 && chip->capture_substream != NULL)
{
+ unsigned long bytes_to_frame_factor;
struct snd_pcm_runtime *runtime = chip->capture_substream->runtime;
ring_buffer_size = chip->current_dsd ? MR_ALSA_RINGBUFFER_NB_FRAMES : runtime->period_size * runtime->periods;
if (ring_buffer_size > MR_ALSA_RINGBUFFER_NB_FRAMES)
@@ -620,22 +611,15 @@
}
/// DMA case
- if (runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ||
- runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
- runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
- {
- unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
-
- //printk(KERN_DEBUG "capture copy pos=%u, dma_pos=%u, count=%u, channels=%d pcm_size=%u\n", chip->capture_buffer_pos, pos, ptp_frame_size, runtime->channels, pcm_buffer_size);
- mr_alsa_audio_pcm_capture_copy_internal(chip->capture_substream, runtime->channels/*channel*/,
- chip->capture_buffer_pos, chip->dma_capture_buffer + chip->dma_capture_offset/**src*/, ptp_frame_size, false);
+ bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
- chip->dma_capture_offset += ptp_frame_size * bytes_to_frame_factor;
- if (chip->dma_capture_offset >= chip->pcm_capture_buffer_size)
- {
- chip->dma_capture_offset -= chip->pcm_capture_buffer_size;
- }
- }
+ //printk(KERN_DEBUG "capture copy pos=%u, dma_pos=%u, count=%u, channels=%d pcm_size=%u\n", chip->capture_buffer_pos, pos, ptp_frame_size, runtime->channels, pcm_buffer_size);
+ mr_alsa_audio_pcm_capture_copy_internal(chip->capture_substream, runtime->channels/*channel*/,
+ chip->capture_buffer_pos, chip->dma_capture_buffer + chip->dma_capture_offset/**src*/, ptp_frame_size);
+
+ chip->dma_capture_offset += ptp_frame_size * bytes_to_frame_factor;
+ if (chip->dma_capture_offset >= chip->pcm_capture_buffer_size)
+ chip->dma_capture_offset -= chip->pcm_capture_buffer_size;
chip->capture_buffer_pos += ptp_frame_size;
if(chip->capture_buffer_pos >= ring_buffer_size)
@@ -654,6 +638,7 @@
}
else if(direction == 0 && chip->playback_substream != NULL)
{
+ unsigned long bytes_to_frame_factor;
struct snd_pcm_runtime *runtime = chip->playback_substream->runtime;
ring_buffer_size = chip->current_dsd ? MR_ALSA_RINGBUFFER_NB_FRAMES : runtime->period_size * runtime->periods;
if (ring_buffer_size > MR_ALSA_RINGBUFFER_NB_FRAMES)
@@ -662,23 +647,14 @@
return -2;
}
- /// DMA case
- if (runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ||
- runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
- runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
- {
- unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
-
- //printk(KERN_DEBUG "playback copy pos=%u, dma_pos=%u, count=%u, channels=%d pcm_size=%u\n", chip->playback_buffer_pos, pos, ptp_frame_size, runtime->channels, pcm_buffer_size);
- mr_alsa_audio_pcm_playback_copy_internal(chip->playback_substream, runtime->channels/*channel*/,
- chip->playback_buffer_pos/*pos*/, chip->dma_playback_buffer + chip->dma_playback_offset/*src*/, ptp_frame_size/*count*/, false);
-
- chip->dma_playback_offset += ptp_frame_size * bytes_to_frame_factor;
- if (chip->dma_playback_offset >= chip->pcm_playback_buffer_size)
- {
- chip->dma_playback_offset -= chip->pcm_playback_buffer_size;
- }
- }
+ bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
+ //printk(KERN_DEBUG "playback copy pos=%u, dma_pos=%u, count=%u, channels=%d pcm_size=%u\n", chip->playback_buffer_pos, pos, ptp_frame_size, runtime->channels, pcm_buffer_size);
+ mr_alsa_audio_pcm_playback_copy_internal(chip->playback_substream, runtime->channels/*channel*/,
+ chip->playback_buffer_pos/*pos*/, chip->dma_playback_buffer + chip->dma_playback_offset/*src*/, ptp_frame_size/*count*/);
+
+ chip->dma_playback_offset += ptp_frame_size * bytes_to_frame_factor;
+ if (chip->dma_playback_offset >= chip->pcm_playback_buffer_size)
+ chip->dma_playback_offset -= chip->pcm_playback_buffer_size;
chip->playback_buffer_pos += ptp_frame_size;
if (chip->playback_buffer_pos >= ring_buffer_size)
@@ -988,18 +964,9 @@
if(alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
{
/// DMA case
- if (alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ||
- alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
- alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
- {
- struct snd_pcm_runtime *runtime = alsa_sub->runtime;
- unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
- offset = chip->dma_playback_offset / bytes_to_frame_factor;
- }
- else
- {
- offset = chip->playback_buffer_pos;
- }
+ struct snd_pcm_runtime *runtime = alsa_sub->runtime;
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
+ offset = chip->dma_playback_offset / bytes_to_frame_factor;
/// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
/// while DSD in ALSA uses a continuous 8, 16 or 32 bit aligned stream with at 352k, 176k or 88k
@@ -1022,19 +989,9 @@
}
else if(alsa_sub->stream == SNDRV_PCM_STREAM_CAPTURE)
{
- /// DMA case
- if (alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ||
- alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
- alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
- {
- struct snd_pcm_runtime *runtime = alsa_sub->runtime;
- unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
- offset = chip->dma_capture_offset / bytes_to_frame_factor;
- }
- else
- {
- chip->mr_alsa_audio_ops->get_input_jitter_buffer_offset(chip->ravenna_peer, &offset);
- }
+ struct snd_pcm_runtime *runtime = alsa_sub->runtime;
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
+ offset = chip->dma_capture_offset / bytes_to_frame_factor;
/// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
/// while DSD in ALSA uses a continuous 8, 16 or 32 bit aligned stream with at 352k, 176k or 88k
@@ -1166,36 +1123,10 @@
};
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
-static int mr_alsa_audio_pcm_capture_copy_user( struct snd_pcm_substream *substream,
- int channel, unsigned long pos,
- void __user *src,
- unsigned long count)
- {
- struct mr_alsa_audio_chip* chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- bool interleaved = runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED ? 1 : 0;
- unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
- return mr_alsa_audio_pcm_capture_copy(substream, interleaved ? -1 : channel, pos / bytes_to_frame_factor, src, count / bytes_to_frame_factor);
-}
-#endif
-
-static int mr_alsa_audio_pcm_capture_copy( struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos,
- void __user *src,
- snd_pcm_uframes_t count)
-{
- struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
- uint32_t ravenna_buffer_pos = pos * chip->nb_capture_interrupts_per_period;
-
- return mr_alsa_audio_pcm_capture_copy_internal(substream, channel, ravenna_buffer_pos, src, count, true);
-}
-
static int mr_alsa_audio_pcm_capture_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count,
- bool to_user_space)
+ snd_pcm_uframes_t count)
{
struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1204,43 +1135,22 @@
unsigned int strideIn = chip->current_alsa_capture_stride;
uint32_t ravenna_buffer_pos = pos;
- // todo DSD capture
- //uint32_t dsdrate = mr_alsa_audio_get_dsd_sample_rate(runtime->format, runtime->rate);
- //uint32_t dsdmode = (dsdrate > 0? mr_alsa_audio_get_dsd_mode(dsdrate) : 0);
-
-
- /// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
- /// while DSD in ALSA uses a continuous 8, 16 or 32 bit aligned stream with at 352k, 176k or 88k
- /// so respective ring buffers might have different scale and size
- //uint32_t alsa_ring_buffer_nb_frames = MR_ALSA_RINGBUFFER_NB_FRAMES / chip->nb_capture_interrupts_per_period;
-
- //printk("entering mr_alsa_audio_pcm_capture_copy (channel=%d, count=%lu) (substream name=%s #%d) ...\n", channel, count, substream->name, substream->number);
- //printk("Bitwidth = %u, strideIn = %u\n", nb_logical_bits, strideIn);
-
- //if(snd_BUG_ON(ravenna_buffer_pos >= MR_ALSA_RINGBUFFER_NB_FRAMES))
- // ravenna_buffer_pos -= MR_ALSA_RINGBUFFER_NB_FRAMES;
-
-
- //printk("capture_copy: rate = %u, dsdmode = %u, #IRQ per period = %u, count = %lu, pos = %lu, ravenna_buffer_pos = %u\n", (dsdrate > 0? dsdrate : runtime->rate), dsdmode, chip->nb_capture_interrupts_per_period, count, pos, ravenna_buffer_pos);
- //printk("capture_copy: rate = %u, #IRQ per period = %u, count = %zu, pos = %u, ravenna_buffer_pos = %u, channels = %u\n", runtime->rate, chip->nb_capture_interrupts_per_period, count, pos, ravenna_buffer_pos, runtime->channels);
-
-
if(interleaved)
{
switch(nb_logical_bits)
{
case 16:
- MTConvertMappedInt32ToInt16LEInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, to_user_space);
+ MTConvertMappedInt32ToInt16LEInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, false);
break;
case 24:
{
switch(strideIn)
{
case 3:
- MTConvertMappedInt32ToInt24LEInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, to_user_space);
+ MTConvertMappedInt32ToInt24LEInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, false);
break;
case 4:
- MTConvertMappedInt32ToInt24LE4ByteInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, to_user_space);
+ MTConvertMappedInt32ToInt24LE4ByteInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, false);
break;
default:
{
@@ -1251,7 +1161,7 @@
break;
}
case 32:
- MTConvertMappedInt32ToInt32LEInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, to_user_space);
+ MTConvertMappedInt32ToInt32LEInterleave(chip->capture_buffer_channels_map, ravenna_buffer_pos, src, runtime->channels, count, false);
break;
}
}
@@ -1263,47 +1173,11 @@
return count;
}
-/// This callback is called whenever the alsa application wants to write data
-/// We use it here to do all the de-interleaving, format conversion and DSD re-packing
-/// The intermediate buffer is actually the alsa (dma) buffer, allocated in hw_params()
-/// The incoming data (src) is user land memory pointer, so copy_from_user() must be used for memory copy
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
-static int mr_alsa_audio_pcm_playback_copy_user( struct snd_pcm_substream *substream,
- int channel, unsigned long pos,
- void __user *src,
- unsigned long count)
-{
- struct mr_alsa_audio_chip* chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
- return mr_alsa_audio_pcm_playback_copy(substream, channel, pos / bytes_to_frame_factor, src, count / bytes_to_frame_factor);
-}
-#endif
-
-/// This callback is called whenever the alsa application wants to write data
-/// We use it here to do all the de-interleaving, format conversion and DSD re-packing
-/// The intermediate buffer is actually the alsa (dma) buffer, allocated in hw_params()
-/// The incoming data (src) is user land memory pointer, so copy_from_user() must be used for memory copy
-static int mr_alsa_audio_pcm_playback_copy( struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos,
- void __user *src,
- snd_pcm_uframes_t count)
-{
- struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
- /// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
- /// while DSD in ALSA uses a continuous 8, 16 or 32 bit aligned stream with at 352k, 176k or 88k
- /// so respective ring buffers might have different scale and size
- uint32_t ravenna_buffer_pos = pos * chip->nb_playback_interrupts_per_period;
-
- return mr_alsa_audio_pcm_playback_copy_internal(substream, channel, ravenna_buffer_pos, src, count, true);
-}
-
static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count,
- bool from_user_space)
+ snd_pcm_uframes_t count)
{
struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1316,8 +1190,6 @@
uint32_t dsdmode = (dsdrate > 0? mr_alsa_audio_get_dsd_mode(dsdrate) : 0);
uint32_t ravenna_buffer_pos = pos;
- //printk("playback_copy: rate = %u, dsdmode = %u, #IRQ per period = %u, count = %u, pos = %lu, ravenna_buffer_pos = %u, alsa_pb_sac = %llu, ravenna_pb_sac = %llu\n", (dsdrate > 0? dsdrate : runtime->rate), dsdmode, chip->nb_playback_interrupts_per_period, count, pos, ravenna_buffer_pos, chip->playback_buffer_alsa_sac, chip->playback_buffer_rav_sac);
-
if(interleaved)
{
/// de-interleaving
@@ -1325,145 +1197,70 @@
unsigned int stepIn = runtime->channels * strideIn;
unsigned int stepOut = strideOut * chip->nb_playback_interrupts_per_period;
uint32_t ring_buffer_size = MR_ALSA_RINGBUFFER_NB_FRAMES * strideOut;
- //printk("playback_copy: de-interleaving %u frames, pos = %llu, ravenna_buffer_pos = %u, with strideIn = %u, strideOut = %u, stepIn = %u, stepOut = %u, ravBuffer_csize = %u \n", count, pos, ravenna_buffer_pos, strideIn, strideOut, stepIn, stepOut, (unsigned int)ravBuffer_csize);
- if (from_user_space)
+ for (chn = 0; chn < runtime->channels; ++chn)
{
- for (chn = 0; chn < runtime->channels; ++chn)
+ uint32_t currentOutPos = ravenna_buffer_pos * strideOut;
+ snd_pcm_uframes_t frmCnt = 0;
+ in = (unsigned char*)src + chn * strideIn;
+ out = chip->playback_buffer + chn * ring_buffer_size + currentOutPos;
+ //
+ ///Conversion to Signed integer 32 bit LE
+ for (frmCnt = 0; frmCnt < count; ++frmCnt)
{
- uint32_t currentOutPos = ravenna_buffer_pos * strideOut;
- snd_pcm_uframes_t frmCnt = 0;
- in = (unsigned char*)src + chn * strideIn;
- out = chip->playback_buffer + chn * ring_buffer_size + currentOutPos;
- //
- ///Conversion to Signed integer 32 bit LE
- for (frmCnt = 0; frmCnt < count; ++frmCnt)
+ /// assumes Little Endian
+ if (dsdmode == 0)
{
- /// assumes Little Endian
- int32_t val = 0;
- if (dsdmode == 0)
- {
- switch (nb_logical_bits)
- {
- case 16:
- __get_user(((unsigned char*)&val)[3], &in[1]);
- __get_user(((unsigned char*)&val)[2], &in[0]);
- break;
- case 24:
- __get_user(((unsigned char*)&val)[3], &in[2]);
- __get_user(((unsigned char*)&val)[2], &in[1]);
- __get_user(((unsigned char*)&val)[1], &in[0]);
- break;
- case 32:
- __get_user(val, (int32_t*)in);
- break;
- }
- *((int32_t*)out) = val;
- }
- else
- {
- /// interleaved DSD stream to non interleaved 32 bit aligned blocks with 1/2/4 DSD bytes per 32 bit
- uint32_t out_cnt;
- for (out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
- {
- switch (dsdmode)
- {
- case 1: ///DSD64
- __get_user(((unsigned char*)&val)[0], &in[out_cnt]);
- break;
- case 2: ///DSD128
- __get_user(((unsigned char*)&val)[1], &in[2 * out_cnt + 1]);
- __get_user(((unsigned char*)&val)[0], &in[2 * out_cnt]);
- break;
- case 4: ///DSD256
- __get_user(val, (int32_t*)in);
- break;
- }
- ((int32_t*)out)[out_cnt] = val;
- }
- }
-
- in += stepIn;
- if (currentOutPos + stepOut >= ring_buffer_size)
+ switch (nb_logical_bits)
{
- currentOutPos = 0;
- out = chip->playback_buffer + chn * ring_buffer_size;
- }
- else
- {
- currentOutPos += stepOut;
- out += stepOut;
+ case 16:
+ out[3] = in[1];
+ out[2] = in[0];
+ out[1] = 0;
+ out[0] = 0;
+ break;
+ case 24:
+ out[3] = in[2];
+ out[2] = in[1];
+ out[1] = in[0];
+ out[0] = 0;
+ break;
+ case 32:
+ *(int32_t*)out = *(int32_t*)in;
+ break;
}
}
- }
- }
- else
- {
- for (chn = 0; chn < runtime->channels; ++chn)
- {
- uint32_t currentOutPos = ravenna_buffer_pos * strideOut;
- snd_pcm_uframes_t frmCnt = 0;
- in = (unsigned char*)src + chn * strideIn;
- out = chip->playback_buffer + chn * ring_buffer_size + currentOutPos;
- //
- ///Conversion to Signed integer 32 bit LE
- for (frmCnt = 0; frmCnt < count; ++frmCnt)
+ else
{
- /// assumes Little Endian
- int32_t val = 0;
- if (dsdmode == 0)
+ /// interleaved DSD stream to non interleaved 32 bit aligned blocks with 1/2/4 DSD bytes per 32 bit
+ uint32_t out_cnt;
+ for (out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
{
- switch (nb_logical_bits)
+ switch (dsdmode)
{
- case 16:
-
- ((unsigned char*)&val)[3] = in[1];
- ((unsigned char*)&val)[2] = in[0];
+ case 1: ///DSD64
+ ((int32_t*)out)[out_cnt] = *(int32_t*)(in + out_cnt) & 0xFF;
break;
- case 24:
- ((unsigned char*)&val)[3] = in[2];
- ((unsigned char*)&val)[2] = in[1];
- ((unsigned char*)&val)[1] = in[0];
+ case 2: ///DSD128
+ ((int32_t*)out)[out_cnt] = (((int32_t)(in[2 * out_cnt + 1]) << 8) | ((int32_t)(in[2 * out_cnt]))) & 0xFFFF;
break;
- case 32:
- val = *(int32_t*)(in);
+ case 4: ///DSD256
+ ((int32_t*)out)[out_cnt] = *(int32_t*)(in);
break;
}
- *((int32_t*)out) = val;
- }
- else
- {
- /// interleaved DSD stream to non interleaved 32 bit aligned blocks with 1/2/4 DSD bytes per 32 bit
- uint32_t out_cnt;
- for (out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
- {
- switch (dsdmode)
- {
- case 1: ///DSD64
- val = *(int32_t*)(in + out_cnt) & 0xFF;
- break;
- case 2: ///DSD128
- val = (((int32_t)(in[2 * out_cnt + 1]) << 8) | ((int32_t)(in[2 * out_cnt]))) & 0xFFFF;
- break;
- case 4: ///DSD256
- val = *(int32_t*)(in);
- break;
- }
- ((int32_t*)out)[out_cnt] = val;
- }
}
+ }
- in += stepIn;
- if (currentOutPos + stepOut >= ring_buffer_size)
- {
- currentOutPos = 0;
- out = chip->playback_buffer + chn * ring_buffer_size;
- }
- else
- {
- currentOutPos += stepOut;
- out += stepOut;
- }
+ in += stepIn;
+ if (currentOutPos + stepOut >= ring_buffer_size)
+ {
+ currentOutPos = 0;
+ out = chip->playback_buffer + chn * ring_buffer_size;
+ }
+ else
+ {
+ currentOutPos += stepOut;
+ out += stepOut;
}
}
}
@@ -2042,11 +1839,6 @@
.prepare = mr_alsa_audio_pcm_prepare,
.trigger = mr_alsa_audio_pcm_trigger,
.pointer = mr_alsa_audio_pcm_pointer,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
- .copy_user = mr_alsa_audio_pcm_playback_copy_user,
-#else
- .copy = mr_alsa_audio_pcm_playback_copy,
-#endif
.page = snd_pcm_lib_get_vmalloc_page,
};
@@ -2060,13 +1852,6 @@
.prepare = mr_alsa_audio_pcm_prepare,
.trigger = mr_alsa_audio_pcm_trigger,
.pointer = mr_alsa_audio_pcm_pointer,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
- .copy_user = mr_alsa_audio_pcm_capture_copy_user,
- .fill_silence = NULL,
-#else
- .copy = mr_alsa_audio_pcm_capture_copy,
- .silence = NULL, //mr_alsa_audio_pcm_silence,
-#endif
.page = snd_pcm_lib_get_vmalloc_page,
};

163
3rdparty/patches/ravenna-alsa-lkm-add-codec-am824.patch vendored
View File

@ -1,163 +0,0 @@
diff --git a/driver/MTConvert.c b/driver/MTConvert.c
index c94bc03..75063a1 100644
--- a/driver/MTConvert.c
+++ b/driver/MTConvert.c
@@ -2097,6 +2097,95 @@ void MTConvertBigEndianInt24ToMappedInt32DeInterleave( void* input_buffer,
}*/
+void MTConvertMappedInt32ToBigEndianInt32Interleave(void** input_buffer,
+ const uint32_t offset_input_buf,
+ void* output_buffer,
+ const uint32_t nb_channels,
+ const uint32_t nb_samples_in)
+{
+
+ uint32_t i, ch;
+ uint8_t* out = (uint8_t*)output_buffer;
+ const unsigned int stride_in = 4;
+ unsigned int in_pos = offset_input_buf * stride_in;
+ for(i = offset_input_buf; i < offset_input_buf + nb_samples_in; ++i)
+ {
+ if(Arch_is_big_endian())
+ {
+ for(ch = 0; ch < nb_channels; ++ch)
+ {
+ const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ out[3] = in[3];
+ out += 4;
+ }
+ }
+ else
+ {
+ for(ch = 0; ch < nb_channels; ++ch)
+ {
+ const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
+ out[0] = in[3];
+ out[1] = in[2];
+ out[2] = in[1];
+ out[3] = in[0];
+ out += 4;
+ }
+ }
+ in_pos += stride_in;
+ }
+}
+
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Convert from an interleave buffer to N non-interleave buffers
+// i.e. [A0.B0.A1.B1...A(dwNbOfSamplesByChannels-1).B(dwNbOfSamplesByChannels-1)] -> [A0..A(dwNbOfSamplesByChannels-1)][B0..B(dwNbOfSamplesByChannels-1)]
+void MTConvertBigEndianInt32ToMappedInt32DeInterleave( void* input_buffer,
+ void** output_buffer,
+ uint32_t offset_output_buf,
+ uint32_t nb_channels,
+ uint32_t nb_samples)
+{
+ uint32_t i, ch;
+ const unsigned int stride_in = 4 * nb_channels, stride_out = 4;
+ const unsigned int out_pos = offset_output_buf * stride_out;
+ for(ch = 0; ch < nb_channels; ++ch)
+ {
+ uint8_t* in = (uint8_t*)input_buffer + 4 * ch;
+ uint8_t* out = (uint8_t*)output_buffer[ch] + out_pos;
+
+ if(Arch_is_big_endian())
+ {
+ for(i = 0; i < nb_samples; ++i)
+ {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ out[3] = in[3];
+
+ in += stride_in;
+ out += stride_out;
+ }
+ }
+ else
+ {
+ for(i = 0; i < nb_samples; ++i)
+ {
+ out[0] = in[3];
+ out[1] = in[2];
+ out[2] = in[1];
+ out[3] = in[0];
+
+ in += stride_in;
+ out += stride_out;
+ }
+ }
+ }
+}
+
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
diff --git a/driver/MTConvert.h b/driver/MTConvert.h
index 54bc90e..483f1c6 100644
--- a/driver/MTConvert.h
+++ b/driver/MTConvert.h
@@ -121,6 +121,8 @@ void MTConvertMappedInt24ToBigEndianInt24Interleave(void** ppi24Uninterleave, co
void MTConvertBigEndianInt24ToMappedInt24DeInterleave(void* pbyBigEndianInterleave, void** ppi24Uninterleave, uint32_t dwOffsetInUninterleaveBuffer, uint32_t dwNbOfChannels, uint32_t dwNbOfSamplesByChannels);
void MTConvertMappedInt32ToBigEndianInt24Interleave(void** ppi32Uninterleave, const uint32_t dwOffsetInUninterleaveBuffer, void* pbyBigEndianInterleave, const uint32_t dwNbOfChannels, const uint32_t dwNbOfSamplesByChannels);
void MTConvertBigEndianInt24ToMappedInt32DeInterleave(void* pbyBigEndianInterleave, void** ppi32Uninterleave, uint32_t dwOffsetInUninterleaveBuffer, uint32_t dwNbOfChannels, uint32_t dwNbOfSamplesByChannels);
+void MTConvertMappedInt32ToBigEndianInt32Interleave(void** ppi32Uninterleave, const uint32_t dwOffsetInUninterleaveBuffer, void* pbyBigEndianInterleave, const uint32_t dwNbOfChannels, const uint32_t dwNbOfSamplesByChannels);
+void MTConvertBigEndianInt32ToMappedInt32DeInterleave(void* pbyBigEndianInterleave, void** ppi32Uninterleave, uint32_t dwOffsetInUninterleaveBuffer, uint32_t dwNbOfChannels, uint32_t dwNbOfSamplesByChannels);
// DSD
void MTConvertMappedFloatToBigEndianDSD64Interleave(void** ppfUninterleave, const uint32_t dwOffsetInUninterleaveBuffer, void* pvBigEndianInterleave, const uint32_t dwNbOfChannels, const uint32_t dwNbOfSamplesByChannels);
diff --git a/driver/RTP_audio_stream.c b/driver/RTP_audio_stream.c
index 5a160e4..403a51a 100644
--- a/driver/RTP_audio_stream.c
+++ b/driver/RTP_audio_stream.c
@@ -170,6 +171,10 @@ int Create(TRTP_audio_stream* self, TRTP_stream_info* pRTP_stream_info, rtp_audi
{
self->m_pfnMTConvertMappedToInterleave = &MTConvertMappedInt32ToBigEndianInt24Interleave;
}
+ else if(strcmp(pRTP_stream_info->m_cCodec, "AM824") == 0)
+ {
+ self->m_pfnMTConvertMappedToInterleave = &MTConvertMappedInt32ToBigEndianInt32Interleave;
+ }
else if(strcmp(pRTP_stream_info->m_cCodec, "DSD64_32") == 0 || strcmp(pRTP_stream_info->m_cCodec, "DSD128_32") == 0 || strcmp(pRTP_stream_info->m_cCodec, "DSD256") == 0)
{
self->m_pfnMTConvertMappedToInterleave = &MTConvertMappedFloatToBigEndianDSD256Interleave;
@@ -300,6 +305,10 @@ int Create(TRTP_audio_stream* self, TRTP_stream_info* pRTP_stream_info, rtp_audi
{
self->m_pfnMTConvertInterleaveToMapped = &MTConvertBigEndianInt24ToMappedInt32DeInterleave;
}
+ else if(strcmp(pRTP_stream_info->m_cCodec, "AM824") == 0)
+ {
+ self->m_pfnMTConvertInterleaveToMapped = &MTConvertBigEndianInt32ToMappedInt32DeInterleave;
+ }
else
{
MTAL_DP("CRTP_audio_stream::Init: invalid Codec\n");
diff --git a/driver/RTP_stream_info.c b/driver/RTP_stream_info.c
index ac65bbb..83ee967 100644
--- a/driver/RTP_stream_info.c
+++ b/driver/RTP_stream_info.c
@@ -168,7 +168,7 @@ int is_valid(TRTP_stream_info* rtp_stream_info)
{
char* cCodec = rtp_stream_info->m_cCodec;
if (strcmp(cCodec, "L16") && strcmp(cCodec, "L24") && strcmp(cCodec, "L2432")
- && strcmp(cCodec, "DSD64_32") && strcmp(cCodec, "DSD128_32")
+ && strcmp(cCodec, "AM824") && strcmp(cCodec, "DSD64_32") && strcmp(cCodec, "DSD128_32")
&& strcmp(cCodec, "DSD64") && strcmp(cCodec, "DSD128") && strcmp(cCodec, "DSD256"))
{
MTAL_DP("CRTP_stream_info::IsValid: wrong codec = %s\n", cCodec);
@@ -252,6 +252,10 @@ unsigned char get_codec_word_lenght(const char* cCodec)
{
return 4;
}
+ else if (strcmp(cCodec, "AM824") == 0)
+ {
+ return 4;
+ }
else if (strcmp(cCodec, "DSD64") == 0)
{
return 1;

301
3rdparty/patches/ravenna-alsa-lkm-arm-32bit.patch vendored
View File

@ -1,301 +0,0 @@
diff --git a/driver/RTP_audio_stream.c b/driver/RTP_audio_stream.c
index 5a160e4..a5c84e4 100644
--- a/driver/RTP_audio_stream.c
+++ b/driver/RTP_audio_stream.c
@@ -40,6 +40,7 @@
#include "RTP_audio_stream.h"
#include "MTAL_DP.h"
+#include "c_wrapper_lib.h"
#define DEBUG_TRACE(x) MTAL_DP("[RTP Stream] "); MTAL_DP x
#define ASSERT(x) {if(!(x)) { MTAL_DP("Assert in %s line %i\n", __FILE__, __LINE__); }}
@@ -377,7 +378,7 @@ int Create(TRTP_audio_stream* self, TRTP_stream_info* pRTP_stream_info, rtp_audi
// if audio data format was changed we have to mute channels with the proper mute pattern; for now, we always mute
for(us = 0; us < pRTP_stream_info->m_byNbOfChannels; us++)
{
- //MTAL_DP("[%u] m_pvLivesInCircularBuffer[us] = 0x%x buffer length = %u wordlength = %u\n", us, m_pvLivesInCircularBuffer[us], pManager->get_live_in_jitter_buffer_length(pManager->user), m_usAudioEngineSampleWordLength);
+ //MTAL_DP("[%u] m_pvLivesInCircularBuffer[us] = 0x%x buffer length = %u wordlength = %u\n", us, self->m_pvLivesInCircularBuffer[us], pManager->get_live_in_jitter_buffer_length(pManager->user), self->m_usAudioEngineSampleWordLength);
if(self->m_pvLivesInCircularBuffer[us])
{ // mute
@@ -413,7 +414,7 @@ int Destroy(TRTP_audio_stream* self)
unsigned short us;
for(us = 0; us < pRTP_stream_info->m_byNbOfChannels; us++)
{
- //MTAL_DP("[%u] m_pvLivesInCircularBuffer[us] = 0x%x buffer length = %u wordlength = %u\n", us, m_pvLivesInCircularBuffer[us], pManager->get_live_in_jitter_buffer_length(pManager->user), m_usAudioEngineSampleWordLength);
+ //MTAL_DP("[%u] m_pvLivesInCircularBuffer[us] = 0x%x buffer length = %u wordlength = %u\n", us, self->m_pvLivesInCircularBuffer[us], self->m_pManager->get_live_in_jitter_buffer_length(self->m_pManager->user), self->m_usAudioEngineSampleWordLength);
if(self->m_pvLivesInCircularBuffer[us])
{ // mute
@@ -782,7 +783,7 @@ int ProcessRTPAudioPacket(TRTP_audio_stream* self, TRTPPacketBase* pRTPPacketBas
//MTAL_DP("ui32RTPSAC %u perfcounter %I64u\n", ui32RTPSAC, MTAL_LK_GetCounterTime());
// ui32UsedSAC is the first frame SAC when this packet will be used
- ui64UsedSAC = (ui64RTPSAC - (ui64RTPSAC % pManager->get_frame_size(pManager->user)));
+ ui64UsedSAC = (ui64RTPSAC - (CW_ll_modulo(ui64RTPSAC, pManager->get_frame_size(pManager->user))));
i64DeltaSAC = ui64UsedSAC - ui64GlobalSAC;
//MTAL_DP("i64DeltaSAC %I64u playout delay %u, frame size: %u\n", i64DeltaSAC, pRTP_stream_info->m_ui32PlayOutDelay, pManager->get_frame_size(pManager->user));
diff --git a/driver/manager.c b/driver/manager.c
index 5a90eca..8023708 100644
--- a/driver/manager.c
+++ b/driver/manager.c
@@ -1272,10 +1272,10 @@ uint32_t get_live_in_jitter_buffer_offset(void* user, const uint64_t ui64Current
struct TManager* self = (struct TManager*)user;
#if defined(MT_TONE_TEST) || defined (MT_RAMP_TEST) || defined (MTLOOPBACK) || defined (MTTRANSPARENCY_CHECK)
- return (uint32_t)(ui64CurrentSAC % get_live_in_jitter_buffer_length(self));
+ return (uint32_t)CW_ll_modulo(ui64CurrentSAC, get_live_in_jitter_buffer_length(self));
#else
uint32_t live_in_jitter_buffer_length = self->m_alsa_driver_frontend->get_capture_buffer_size_in_frames(self->m_pALSAChip);
- return (uint32_t)(ui64CurrentSAC % live_in_jitter_buffer_length);
+ return (uint32_t)CW_ll_modulo(ui64CurrentSAC, live_in_jitter_buffer_length);
#endif
}
@@ -1298,7 +1298,7 @@ uint32_t get_live_out_jitter_buffer_offset(void* user, const uint64_t ui64Curren
struct TManager* self = (struct TManager*)user;
#if defined(MT_TONE_TEST) || defined (MT_RAMP_TEST) || defined (MTLOOPBACK) || defined (MTTRANSPARENCY_CHECK)
- return (uint32_t)(ui64CurrentSAC % get_live_out_jitter_buffer_length(self));
+ return (uint32_t)CW_ll_modulo(ui64CurrentSAC, get_live_out_jitter_buffer_length(self));
#else
uint32_t offset = self->m_alsa_driver_frontend->get_playback_buffer_offset(self->m_pALSAChip);
const uint32_t sacOffset = (uint32_t)(get_global_SAC(self) - get_frame_size(self) - ui64CurrentSAC);
@@ -1432,9 +1432,9 @@ void AudioFrameTIC(void* user)
{
#if defined(MT_TONE_TEST)
unsigned long p = (self->m_tone_test_phase * self->m_SampleRate) / LUTSampleRate;
- int16_t val16 = LUT[(p + 4 * chIdx) % LUTnbPoints]/* >> 1*/;
+ int16_t val16 = LUT[CW_ll_modulo((p + 4 * chIdx), LUTnbPoints)]/* >> 1*/;
int32_t val24 = val16 << 8;
- self->m_tone_test_phase = (self->m_tone_test_phase + 1) % (LUTnbPoints * 100);
+ self->m_tone_test_phase = CW_ll_modulo((self->m_tone_test_phase + 1), (LUTnbPoints * 100));
#elif defined(MT_RAMP_TEST)
int32_t val24 = self->m_ramp_test_phase;
if(val24 >= 8388608) // 2^23
diff --git a/driver/MTAL_DP.h b/driver/MTAL_DP.h
index 1f0fb89..8aeaba2 100644
--- a/driver/MTAL_DP.h
+++ b/driver/MTAL_DP.h
@@ -129,26 +129,34 @@
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
#include <linux/kern_levels.h>
- #define MTAL_DP(...) MTAL_LK_print(KERN_INFO __VA_ARGS__)
+ #define MTAL_DP(...)
+ //#define MTAL_DP(...) MTAL_LK_print(KERN_INFO __VA_ARGS__)
#define MTAL_DP_EMRG(...) MTAL_LK_print(KERN_EMERG __VA_ARGS__)
#define MTAL_DP_ALERT(...) MTAL_LK_print(KERN_ALERT __VA_ARGS__)
#define MTAL_DP_CRIT(...) MTAL_LK_print(KERN_CRIT __VA_ARGS__)
#define MTAL_DP_ERR(...) MTAL_LK_print(KERN_ERR __VA_ARGS__)
#define MTAL_DP_WARN(...) MTAL_LK_print(KERN_WARNING __VA_ARGS__)
- #define MTAL_DP_NOTICE(...) MTAL_LK_print(KERN_NOTICE __VA_ARGS__)
- #define MTAL_DP_INFO(...) MTAL_LK_print(KERN_INFO __VA_ARGS__)
- #define MTAL_DP_DEBUG(...) MTAL_LK_print(KERN_DEBUG __VA_ARGS__)
+ #define MTAL_DP_NOTICE(...)
+ //#define MTAL_DP_NOTICE(...) MTAL_LK_print(KERN_NOTICE __VA_ARGS__)
+ #define MTAL_DP_INFO(...)
+ //#define MTAL_DP_INFO(...) MTAL_LK_print(KERN_INFO __VA_ARGS__)
+ #define MTAL_DP_DEBUG(...)
+ //#define MTAL_DP_DEBUG(...) MTAL_LK_print(KERN_DEBUG __VA_ARGS__)
#else
//#include <linux/kernel.h>
- #define MTAL_DP(...) MTAL_LK_print("<d>"__VA_ARGS__)
+ #define MTAL_DP(...)
+ //#define MTAL_DP(...) MTAL_LK_print("<d>"__VA_ARGS__)
#define MTAL_DP_EMRG(...) MTAL_LK_print("<>"__VA_ARGS__)
#define MTAL_DP_ALERT(...) MTAL_LK_print("<1>"__VA_ARGS__)
#define MTAL_DP_CRIT(...) MTAL_LK_print("<2>"__VA_ARGS__)
#define MTAL_DP_ERR(...) MTAL_LK_print("<3>"__VA_ARGS__)
#define MTAL_DP_WARN(...) MTAL_LK_print("<4>"__VA_ARGS__)
- #define MTAL_DP_NOTICE(...) MTAL_LK_print("<5>"__VA_ARGS__)
- #define MTAL_DP_INFO(...) MTAL_LK_print("<6>"__VA_ARGS__)
- #define MTAL_DP_DEBUG(...) MTAL_LK_print("<7>"__VA_ARGS__)
+ #define MTAL_DP_NOTICE(...)
+ //#define MTAL_DP_NOTICE(...) MTAL_LK_print("<5>"__VA_ARGS__)
+ #define MTAL_DP_INFO(...)
+ //#define MTAL_DP_INFO(...) MTAL_LK_print("<6>"__VA_ARGS__)
+ #define MTAL_DP_DEBUG(...)
+ //#define MTAL_DP_DEBUG(...) MTAL_LK_print("<7>"__VA_ARGS__)
#endif
diff --git a/driver/MTConvert.c b/driver/MTConvert.c
index c94bc03..c9fdffe 100644
--- a/driver/MTConvert.c
+++ b/driver/MTConvert.c
@@ -1318,10 +1318,10 @@ int MTConvertMappedInt32ToInt16LEInterleave(void** input_buffer, const uint32_t
{
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[0], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[0], (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1358,10 +1358,10 @@ int MTConvertMappedInt32ToInt16LEInterleave(void** input_buffer, const uint32_t
{
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[3], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[3], (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1411,13 +1411,13 @@ int MTConvertMappedInt32ToInt24LEInterleave(void** input_buffer, const uint32_t
{
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[0], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[0], (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1457,13 +1457,13 @@ int MTConvertMappedInt32ToInt24LEInterleave(void** input_buffer, const uint32_t
{
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[3], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[3], (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1516,16 +1516,16 @@ int MTConvertMappedInt32ToInt24LE4ByteInterleave(void** input_buffer, const uint
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
char zero = 0x00;
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[0], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[0], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, zero, (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(zero, (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1568,16 +1568,16 @@ int MTConvertMappedInt32ToInt24LE4ByteInterleave(void** input_buffer, const uint
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
char zero = 0x00;
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[3], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[3], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, zero, (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(zero, (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1600,16 +1600,16 @@ int MTConvertMappedInt32ToInt24LE4ByteInterleave(void** input_buffer, const uint
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
char zero = 0x00;
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[3], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[3], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, zero, (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(zero, (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1648,16 +1648,16 @@ int MTConvertMappedInt32ToInt32LEInterleave(void** input_buffer, const uint32_t
{
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
- __put_user_x(1, in[3], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[3], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[0], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[0], (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1699,16 +1699,16 @@ int MTConvertMappedInt32ToInt32LEInterleave(void** input_buffer, const uint32_t
{
const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
#if defined(MTAL_LINUX) && defined(MTAL_KERNEL)
- __put_user_x(1, in[0], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[0], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[1], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[1], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[2], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[2], (unsigned char __user *)out);
ret |= ret_pu;
out++;
- __put_user_x(1, in[3], (unsigned long __user *)out, ret_pu);
+ ret_pu = put_user(in[3], (unsigned char __user *)out);
ret |= ret_pu;
out++;
#else
@@ -1867,6 +1867,7 @@ void MTConvertBigEndianInt16ToMappedInt32DeInterleave( void* input_buffer,
uint32_t i, ch;
const unsigned int stride_in = 2 * nb_channels, stride_out = 4;
const unsigned int out_pos = offset_output_buf * stride_out;
+
for(ch = 0; ch < nb_channels; ++ch)
{
uint8_t* in = (uint8_t*)input_buffer + 2 * ch;

982
3rdparty/patches/ravenna-alsa-lkm-direct-pcm-transfer.patch vendored
View File

@ -1,982 +0,0 @@
diff --git a/driver/audio_driver.c b/driver/audio_driver.c
index 3d9debd..3c3183e 100644
--- a/driver/audio_driver.c
+++ b/driver/audio_driver.c
@@ -43,7 +43,6 @@
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm.h>
-#include <sound/pcm-indirect.h> // for mmap
#include <sound/pcm_params.h>
#include <sound/initval.h>
@@ -77,11 +76,6 @@ static int index = SNDRV_DEFAULT_IDX1; /* Index 0-max */
static char *id = SNDRV_DEFAULT_STR1; /* Id for card */
static bool enable = SNDRV_DEFAULT_ENABLE1; /* Enable this card */
static int pcm_devs = 1;
-//static int pcm_substreams = 8; // todo
-//#define MUTE_CHECK
-#ifdef MUTE_CHECK
-static bool playback_mute_detected = false;
-#endif
module_param(index, int, 0444);
MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
@@ -112,7 +106,8 @@ static int mr_alsa_audio_pcm_capture_copy( struct snd_pcm_substream *substream,
static int mr_alsa_audio_pcm_capture_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count, bool to_user_space);
+ snd_pcm_uframes_t count,
+ bool to_user_space);
static int mr_alsa_audio_pcm_playback_copy( struct snd_pcm_substream *substream,
int channel, snd_pcm_uframes_t pos,
void __user *src,
@@ -120,10 +115,8 @@ static int mr_alsa_audio_pcm_playback_copy( struct snd_pcm_substream *substream,
static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count);
-static int mr_alsa_audio_pcm_playback_silence( struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos,
- snd_pcm_uframes_t count);
+ snd_pcm_uframes_t count,
+ bool from_user_space);
/// "chip" : the main private structure
struct mr_alsa_audio_chip
@@ -177,10 +170,14 @@ struct mr_alsa_audio_chip
struct snd_card *card; /* one card */
struct snd_pcm *pcm; /* has one pcm */
- struct snd_pcm_indirect pcm_playback_indirect;
- atomic_t dma_playback_offset; // to be used with atomic_read, atomic_set
- struct snd_pcm_indirect pcm_capture_indirect;
- atomic_t dma_capture_offset; // to be used with atomic_read, atomic_set
+ uint32_t dma_playback_offset;
+ uint32_t dma_capture_offset;
+
+ unsigned int pcm_playback_buffer_size;
+ unsigned int pcm_capture_buffer_size;
+
+ uint8_t *dma_playback_buffer;
+ uint8_t *dma_capture_buffer;
};
@@ -507,13 +504,28 @@ static void* mr_alsa_audio_get_playback_buffer(void *rawchip)
}
static uint32_t mr_alsa_audio_get_playback_buffer_size_in_frames(void *rawchip)
{
- if(rawchip)
+ uint32_t res = 0;
+ if (rawchip)
{
- struct mr_alsa_audio_chip *chip = (struct mr_alsa_audio_chip*)rawchip;
- if(chip->playback_buffer)
- return MR_ALSA_RINGBUFFER_NB_FRAMES;
+ struct mr_alsa_audio_chip* chip = (struct mr_alsa_audio_chip*)rawchip;
+ //spin_lock_irq(&chip->lock);
+ {
+ struct snd_pcm_runtime* runtime = chip->playback_substream ? chip->playback_substream->runtime : NULL;
+ if (chip->playback_buffer)
+ {
+ if (runtime && runtime->period_size != 0 && runtime->periods != 0)
+ {
+ res = chip->current_dsd ? MR_ALSA_RINGBUFFER_NB_FRAMES : runtime->period_size * runtime->periods;
+ }
+ else
+ {
+ res = MR_ALSA_RINGBUFFER_NB_FRAMES;
+ }
+ }
+ }
+ //spin_unlock_irq(&chip->lock);
}
- return 0;
+ return res;
}
static void* mr_alsa_audio_get_capture_buffer(void *rawchip)
@@ -594,7 +606,8 @@ static int mr_alsa_audio_pcm_interrupt(void *rawchip, int direction)
uint32_t ring_buffer_size = MR_ALSA_RINGBUFFER_NB_FRAMES; // init to the max size possible
uint32_t ptp_frame_size;
struct mr_alsa_audio_chip *chip = (struct mr_alsa_audio_chip*)rawchip;
- spin_lock_irq(&chip->lock);
+
+ spin_lock(&chip->lock);
chip->mr_alsa_audio_ops->get_interrupts_frame_size(chip->ravenna_peer, &ptp_frame_size);
if(direction == 1 && chip->capture_substream != NULL)
{
@@ -611,24 +624,22 @@ static int mr_alsa_audio_pcm_interrupt(void *rawchip, int direction)
runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
{
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
- unsigned int pcm_buffer_size = snd_pcm_lib_buffer_bytes(chip->capture_substream);
- unsigned int pos;
- uint32_t offset = 0;
- // char jitter_buffer_byte_len = 3;
- // chip->mr_alsa_audio_ops->get_jitter_buffer_sample_bytelength(chip->ravenna_peer, &jitter_buffer_byte_len);
-
- pos = atomic_read(&chip->dma_capture_offset);
- pos += ptp_frame_size * bytes_to_frame_factor;
- if (pos >= pcm_buffer_size)
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
+
+ //printk(KERN_DEBUG "capture copy pos=%u, dma_pos=%u, count=%u, channels=%d pcm_size=%u\n", chip->capture_buffer_pos, pos, ptp_frame_size, runtime->channels, pcm_buffer_size);
+ mr_alsa_audio_pcm_capture_copy_internal(chip->capture_substream, runtime->channels/*channel*/,
+ chip->capture_buffer_pos, chip->dma_capture_buffer + chip->dma_capture_offset/**src*/, ptp_frame_size, false);
+
+ chip->dma_capture_offset += ptp_frame_size * bytes_to_frame_factor;
+ if (chip->dma_capture_offset >= chip->pcm_capture_buffer_size)
{
- pos -= pcm_buffer_size;
+ chip->dma_capture_offset -= chip->pcm_capture_buffer_size;
}
- atomic_set(&chip->dma_capture_offset, pos);
-
- chip->mr_alsa_audio_ops->get_input_jitter_buffer_offset(chip->ravenna_peer, &offset);
- //printk(KERN_DEBUG "Interrupt Capture pos = %u \n", offset);
}
+
+ chip->capture_buffer_pos += ptp_frame_size;
+ if(chip->capture_buffer_pos >= ring_buffer_size)
+ chip->capture_buffer_pos -= ring_buffer_size;
/// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
/// while DSD in ALSA uses a continuous 8, 16 or 32 bit aligned stream with at 352k, 176k or 88k
@@ -636,7 +647,9 @@ static int mr_alsa_audio_pcm_interrupt(void *rawchip, int direction)
if(++chip->current_capture_interrupt_idx >= chip->nb_capture_interrupts_per_period)
{
chip->current_capture_interrupt_idx = 0;
+ spin_unlock(&chip->lock);
snd_pcm_period_elapsed(chip->capture_substream);
+ spin_lock(&chip->lock);
}
}
else if(direction == 0 && chip->playback_substream != NULL)
@@ -648,27 +661,27 @@ static int mr_alsa_audio_pcm_interrupt(void *rawchip, int direction)
printk(KERN_ERR "mr_alsa_audio_pcm_interrupt playback period_size*periods > MR_ALSA_RINGBUFFER_NB_FRAMES\n");
return -2;
}
-
+
/// DMA case
if (runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ||
runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
{
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
- unsigned int pcm_buffer_size = snd_pcm_lib_buffer_bytes(chip->playback_substream);
- unsigned int pos;
-
- pos = atomic_read(&chip->dma_playback_offset);
- pos += ptp_frame_size * bytes_to_frame_factor;
- if (pos >= pcm_buffer_size)
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
+
+ //printk(KERN_DEBUG "playback copy pos=%u, dma_pos=%u, count=%u, channels=%d pcm_size=%u\n", chip->playback_buffer_pos, pos, ptp_frame_size, runtime->channels, pcm_buffer_size);
+ mr_alsa_audio_pcm_playback_copy_internal(chip->playback_substream, runtime->channels/*channel*/,
+ chip->playback_buffer_pos/*pos*/, chip->dma_playback_buffer + chip->dma_playback_offset/*src*/, ptp_frame_size/*count*/, false);
+
+ chip->dma_playback_offset += ptp_frame_size * bytes_to_frame_factor;
+ if (chip->dma_playback_offset >= chip->pcm_playback_buffer_size)
{
- pos -= pcm_buffer_size;
+ chip->dma_playback_offset -= chip->pcm_playback_buffer_size;
}
- atomic_set(&chip->dma_playback_offset, pos);
}
-
+
chip->playback_buffer_pos += ptp_frame_size;
- if(chip->playback_buffer_pos >= ring_buffer_size)
+ if (chip->playback_buffer_pos >= ring_buffer_size)
chip->playback_buffer_pos -= ring_buffer_size;
/// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
@@ -678,10 +691,12 @@ static int mr_alsa_audio_pcm_interrupt(void *rawchip, int direction)
{
chip->playback_buffer_rav_sac += ptp_frame_size;
chip->current_playback_interrupt_idx = 0;
+ spin_unlock(&chip->lock);
snd_pcm_period_elapsed(chip->playback_substream);
+ spin_lock(&chip->lock);
}
}
- spin_unlock_irq(&chip->lock);
+ spin_unlock(&chip->lock);
return 0;
}
return -1;
@@ -914,18 +929,15 @@ static int mr_alsa_audio_pcm_prepare(struct snd_pcm_substream *substream)
/// Fill the additional delay between the packet output and the sound eared
chip->mr_alsa_audio_ops->get_playout_delay(chip->ravenna_peer, &runtime->delay);
- // TODO: snd_pcm_format_set_silence(SNDRV_PCM_FORMAT_S24_3LE, chip->mr_alsa_audio_ops->, )
-
- atomic_set(&chip->dma_playback_offset, 0);
- memset(&chip->pcm_playback_indirect, 0, sizeof(chip->pcm_playback_indirect));
- chip->pcm_playback_indirect.hw_buffer_size = chip->pcm_playback_indirect.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+ chip->dma_playback_offset = 0;
+ chip->dma_playback_buffer = runtime->dma_area;
+ chip->pcm_playback_buffer_size = snd_pcm_lib_buffer_bytes(chip->playback_substream);
}
else if(substream->stream == SNDRV_PCM_STREAM_CAPTURE)
{
uint32_t offset = 0;
chip->mr_alsa_audio_ops->get_input_jitter_buffer_offset(chip->ravenna_peer, &offset);
-
printk(KERN_DEBUG "mr_alsa_audio_pcm_prepare for capture stream\n");
if(chip->ravenna_peer)
{
@@ -943,12 +955,10 @@ static int mr_alsa_audio_pcm_prepare(struct snd_pcm_substream *substream)
chip->capture_buffer_pos = offset;
chip->current_capture_interrupt_idx = 0;
chip->nb_capture_interrupts_per_period = ((runtime_dsd_mode != 0)? (MR_ALSA_PTP_FRAME_RATE_FOR_DSD / runtime->rate) : 1);
- // TODO: snd_pcm_format_set_silence
- atomic_set(&chip->dma_capture_offset, 0);
- memset(&chip->pcm_capture_indirect, 0, sizeof(chip->pcm_capture_indirect));
- chip->pcm_capture_indirect.hw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
- chip->pcm_capture_indirect.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+ chip->dma_capture_offset = 0;
+ chip->dma_capture_buffer = runtime->dma_area;
+ chip->pcm_capture_buffer_size = snd_pcm_lib_buffer_bytes(chip->capture_substream);
}
}
else
@@ -970,6 +980,7 @@ static snd_pcm_uframes_t mr_alsa_audio_pcm_pointer(struct snd_pcm_substream *als
uint32_t offset = 0;
//printk("entering mr_alsa_audio_pcm_pointer (substream name=%s #%d) ...\n", alsa_sub->name, alsa_sub->number);
+ spin_lock(&chip->lock);
if(alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
{
/// DMA case
@@ -977,7 +988,9 @@ static snd_pcm_uframes_t mr_alsa_audio_pcm_pointer(struct snd_pcm_substream *als
alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
{
- offset = snd_pcm_indirect_playback_pointer(alsa_sub, &chip->pcm_playback_indirect, atomic_read(&chip->dma_playback_offset));
+ struct snd_pcm_runtime *runtime = alsa_sub->runtime;
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
+ offset = chip->dma_playback_offset / bytes_to_frame_factor;
}
else
{
@@ -1010,7 +1023,9 @@ static snd_pcm_uframes_t mr_alsa_audio_pcm_pointer(struct snd_pcm_substream *als
alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ||
alsa_sub->runtime->access == SNDRV_PCM_ACCESS_MMAP_COMPLEX)
{
- offset = snd_pcm_indirect_capture_pointer(alsa_sub, &chip->pcm_capture_indirect, atomic_read(&chip->dma_capture_offset));
+ struct snd_pcm_runtime *runtime = alsa_sub->runtime;
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
+ offset = chip->dma_capture_offset / bytes_to_frame_factor;
}
else
{
@@ -1036,6 +1051,7 @@ static snd_pcm_uframes_t mr_alsa_audio_pcm_pointer(struct snd_pcm_substream *als
}
//printk("mr_alsa_audio_pcm_pointer capture offset = %u\n", offset);
}
+ spin_unlock(&chip->lock);
return offset;
}
@@ -1152,9 +1168,10 @@ static int mr_alsa_audio_pcm_capture_copy_user( struct snd_pcm_substream *subst
void __user *src,
unsigned long count)
{
+ struct mr_alsa_audio_chip* chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
bool interleaved = runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED ? 1 : 0;
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_capture_stride;
return mr_alsa_audio_pcm_capture_copy(substream, interleaved ? -1 : channel, pos / bytes_to_frame_factor, src, count / bytes_to_frame_factor);
}
#endif
@@ -1173,13 +1190,14 @@ static int mr_alsa_audio_pcm_capture_copy( struct snd_pcm_substream *substream,
static int mr_alsa_audio_pcm_capture_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count, bool to_user_space)
+ snd_pcm_uframes_t count,
+ bool to_user_space)
{
struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
- int interleaved = ((channel == -1 && runtime->channels > 1)? 1 : 0);
+ bool interleaved = (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED);
unsigned int nb_logical_bits = snd_pcm_format_width(runtime->format);
- unsigned int strideIn = snd_pcm_format_physical_width(runtime->format) >> 3;
+ unsigned int strideIn = chip->current_alsa_capture_stride;
uint32_t ravenna_buffer_pos = pos;
// todo DSD capture
@@ -1204,12 +1222,7 @@ static int mr_alsa_audio_pcm_capture_copy_internal( struct snd_pcm_substream *s
if(interleaved)
- {
- int ret_pu;
- char val = 0xf1;
- __put_user_x(1, val, (unsigned long __user *)src, ret_pu);
- ret_pu = put_user(val, (unsigned long __user *)src);
- //put_user(val, (unsigned long __user *)src);
+ {
switch(nb_logical_bits)
{
case 16:
@@ -1244,8 +1257,8 @@ static int mr_alsa_audio_pcm_capture_copy_internal( struct snd_pcm_substream *s
return -EINVAL;
}
return count;
-
}
+
/// This callback is called whenever the alsa application wants to write data
/// We use it here to do all the de-interleaving, format conversion and DSD re-packing
/// The intermediate buffer is actually the alsa (dma) buffer, allocated in hw_params()
@@ -1256,10 +1269,10 @@ static int mr_alsa_audio_pcm_playback_copy_user( struct snd_pcm_substream *subs
void __user *src,
unsigned long count)
{
+ struct mr_alsa_audio_chip* chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
- bool interleaved = runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED ? 1 : 0;
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
- return mr_alsa_audio_pcm_playback_copy(substream, interleaved ? -1 : channel, pos / bytes_to_frame_factor, src, count / bytes_to_frame_factor);
+ unsigned long bytes_to_frame_factor = runtime->channels * chip->current_alsa_playback_stride;
+ return mr_alsa_audio_pcm_playback_copy(substream, channel, pos / bytes_to_frame_factor, src, count / bytes_to_frame_factor);
}
#endif
@@ -1278,126 +1291,68 @@ static int mr_alsa_audio_pcm_playback_copy( struct snd_pcm_substream *substream,
/// so respective ring buffers might have different scale and size
uint32_t ravenna_buffer_pos = pos * chip->nb_playback_interrupts_per_period;
- if(snd_BUG_ON(ravenna_buffer_pos >= MR_ALSA_RINGBUFFER_NB_FRAMES))
- ravenna_buffer_pos -= MR_ALSA_RINGBUFFER_NB_FRAMES;
-
- return mr_alsa_audio_pcm_playback_copy_internal(substream, channel, ravenna_buffer_pos, src, count);
+ return mr_alsa_audio_pcm_playback_copy_internal(substream, channel, ravenna_buffer_pos, src, count, true);
}
-///
+
+
static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *substream,
int channel, uint32_t pos,
void __user *src,
- snd_pcm_uframes_t count)
+ snd_pcm_uframes_t count,
+ bool from_user_space)
{
struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int chn = 0;
- //int interleaved = ((channel == -1 && runtime->channels > 1)? 1 : 0);
- int interleaved = runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ? 1 : 0;
+ bool interleaved = (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED);
unsigned int nb_logical_bits = snd_pcm_format_width(runtime->format);
- unsigned int strideIn = snd_pcm_format_physical_width(runtime->format) >> 3;
+ unsigned int strideIn = chip->current_alsa_playback_stride;
unsigned int strideOut = snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32_LE) >> 3;
uint32_t dsdrate = mr_alsa_audio_get_dsd_sample_rate(runtime->format, runtime->rate);
uint32_t dsdmode = (dsdrate > 0? mr_alsa_audio_get_dsd_mode(dsdrate) : 0);
uint32_t ravenna_buffer_pos = pos;
- //uint32_t alsa_ring_buffer_nb_frames = MR_ALSA_RINGBUFFER_NB_FRAMES / chip->nb_playback_interrupts_per_period;
-
- #ifdef MUTE_CHECK
- // mute check
- unsigned char *buffer_to_check = chip->playback_buffer + ravenna_buffer_pos * strideOut; // output buffer channel 0
- bool mute_detected = false;
- char testblock [256];
- memset(testblock, 0, sizeof(testblock));
- #endif
-
- if (channel > 0 && channel >= runtime->channels)
- {
- printk(KERN_WARNING "Channel %d copy ignored because it does not fit the available runtime channels (%d)", channel, runtime->channels);
- return 0;
- }
-
- //printk(KERN_DEBUG "entering mr_alsa_audio_pcm_playback_copy (substream name=%s #%d) (runtime channels %d) access %d...\n", substream->name, substream->number, runtime->channels, runtime->access));
-
- /*if(snd_BUG_ON(chip->playback_buffer_rav_sac > chip->playback_buffer_alsa_sac))
- {
- printk(KERN_WARNING "mr_alsa_audio_pcm_playback_copy: Playback stall. Missing playback data from the player application.");
- return -EINVAL;
- }
-
- //printk("playback_copy: initial count = %u, alsa_ring_buffer_nb_frames = %u \n", count, alsa_ring_buffer_nb_frames);
- if(alsa_ring_buffer_nb_frames < chip->playback_buffer_alsa_sac - chip->playback_buffer_rav_sac)
- {
- count = 0; /// no room for more playback at the moment
- printk(KERN_WARNING "playback_copy: no room at the moment (count =%lu) \n", count);
- }
-
- if(count > alsa_ring_buffer_nb_frames - (chip->playback_buffer_alsa_sac - chip->playback_buffer_rav_sac))
- {
- snd_pcm_uframes_t new_count = (snd_pcm_uframes_t)(alsa_ring_buffer_nb_frames - (chip->playback_buffer_alsa_sac - chip->playback_buffer_rav_sac));
- printk(KERN_WARNING "playback_copy count overflow 1: change count from %lu to %lu\n", count, new_count);
- count = new_count;
- }
- if(count * chip->nb_playback_interrupts_per_period + ravenna_buffer_pos > MR_ALSA_RINGBUFFER_NB_FRAMES)
- {
- snd_pcm_uframes_t new_count = (MR_ALSA_RINGBUFFER_NB_FRAMES - ravenna_buffer_pos) / chip->nb_playback_interrupts_per_period;
- printk(KERN_WARNING "playback_copy count overflow 2: change count from %lu to %lu\n", count, new_count);
- count = new_count;
- }*/
//printk("playback_copy: rate = %u, dsdmode = %u, #IRQ per period = %u, count = %u, pos = %lu, ravenna_buffer_pos = %u, alsa_pb_sac = %llu, ravenna_pb_sac = %llu\n", (dsdrate > 0? dsdrate : runtime->rate), dsdmode, chip->nb_playback_interrupts_per_period, count, pos, ravenna_buffer_pos, chip->playback_buffer_alsa_sac, chip->playback_buffer_rav_sac);
- if(count == 0)
- return 0;
if(interleaved)
{
+ /// de-interleaving
+ unsigned char *in, *out;
+ unsigned int stepIn = runtime->channels * strideIn;
+ unsigned int stepOut = strideOut * chip->nb_playback_interrupts_per_period;
+ uint32_t ring_buffer_size = MR_ALSA_RINGBUFFER_NB_FRAMES * strideOut;
+ //printk("playback_copy: de-interleaving %u frames, pos = %llu, ravenna_buffer_pos = %u, with strideIn = %u, strideOut = %u, stepIn = %u, stepOut = %u, ravBuffer_csize = %u \n", count, pos, ravenna_buffer_pos, strideIn, strideOut, stepIn, stepOut, (unsigned int)ravBuffer_csize);
+
+ if (from_user_space)
{
- /// de-interleaving
- unsigned char *in, *out;
- unsigned int stepIn = runtime->channels * strideIn;
- unsigned int stepOut = strideOut * chip->nb_playback_interrupts_per_period;
- size_t ravBuffer_csize = MR_ALSA_RINGBUFFER_NB_FRAMES * strideOut;
- //printk("playback_copy: de-interleaving %u frames, pos = %llu, ravenna_buffer_pos = %u, with strideIn = %u, strideOut = %u, stepIn = %u, stepOut = %u, ravBuffer_csize = %u \n", count, pos, ravenna_buffer_pos, strideIn, strideOut, stepIn, stepOut, (unsigned int)ravBuffer_csize);
- for(chn = 0; chn < runtime->channels; ++chn)
+ for (chn = 0; chn < runtime->channels; ++chn)
{
uint32_t currentOutPos = ravenna_buffer_pos * strideOut;
snd_pcm_uframes_t frmCnt = 0;
in = (unsigned char*)src + chn * strideIn;
- out = chip->playback_buffer + chn * ravBuffer_csize + currentOutPos;
-
+ out = chip->playback_buffer + chn * ring_buffer_size + currentOutPos;
+ //
///Conversion to Signed integer 32 bit LE
- for(frmCnt = 0; frmCnt < count; ++frmCnt)
+ for (frmCnt = 0; frmCnt < count; ++frmCnt)
{
/// assumes Little Endian
int32_t val = 0;
- if(dsdmode == 0)
+ if (dsdmode == 0)
{
- switch(nb_logical_bits)
+ switch (nb_logical_bits)
{
- case 16:
- //val = (((int32_t)(in[1]) << 8) | ((int32_t)(in[0]))) << 16;
- // OR
- //((unsigned char*)&val)[3] = in[1];
- //((unsigned char*)&val)[2] = in[0];
- // OR without intermediate copy_from_user buffer
- __get_user(((unsigned char*)&val)[3], &in[1]);
- __get_user(((unsigned char*)&val)[2], &in[0]);
- break;
- case 24:
- //val = (((int32_t)(in[2]) << 16) | ((int32_t)(in[1]) << 8) | ((int32_t)(in[0]))) << 8;
- // OR
- // ((unsigned char*)&val)[3] = in[2];
- // ((unsigned char*)&val)[2] = in[1];
- // ((unsigned char*)&val)[1] = in[0];
- // OR without intermediate copy_from_user buffer
- __get_user(((unsigned char*)&val)[3], &in[2]);
- __get_user(((unsigned char*)&val)[2], &in[1]);
- __get_user(((unsigned char*)&val)[1], &in[0]);
- break;
- case 32:
- //val = *(int32_t*)(in);
- // OR without intermediate copy_from_user buffer
- __get_user(val, (int32_t*)in);
- break;
+ case 16:
+ __get_user(((unsigned char*)&val)[3], &in[1]);
+ __get_user(((unsigned char*)&val)[2], &in[0]);
+ break;
+ case 24:
+ __get_user(((unsigned char*)&val)[3], &in[2]);
+ __get_user(((unsigned char*)&val)[2], &in[1]);
+ __get_user(((unsigned char*)&val)[1], &in[0]);
+ break;
+ case 32:
+ __get_user(val, (int32_t*)in);
+ break;
}
*((int32_t*)out) = val;
}
@@ -1405,34 +1360,30 @@ static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *s
{
/// interleaved DSD stream to non interleaved 32 bit aligned blocks with 1/2/4 DSD bytes per 32 bit
uint32_t out_cnt;
- for(out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
+ for (out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
{
- switch(dsdmode)
+ switch (dsdmode)
{
- case 1: ///DSD64
- //val = *(int32_t*)(in + out_cnt) & 0xFF;
- __get_user(((unsigned char*)&val)[0], &in[out_cnt]);
- break;
- case 2: ///DSD128
- //val = (((int32_t)(in[2 * out_cnt + 1]) << 8) | ((int32_t)(in[2 * out_cnt]))) & 0xFFFF;
- __get_user(((unsigned char*)&val)[1], &in[2 * out_cnt + 1]);
- __get_user(((unsigned char*)&val)[0], &in[2 * out_cnt]);
- break;
- case 4: ///DSD256
- //val = *(int32_t*)(in);
- // OR without intermediate copy_from_user buffer
- __get_user(val, (int32_t*)in);
- break;
+ case 1: ///DSD64
+ __get_user(((unsigned char*)&val)[0], &in[out_cnt]);
+ break;
+ case 2: ///DSD128
+ __get_user(((unsigned char*)&val)[1], &in[2 * out_cnt + 1]);
+ __get_user(((unsigned char*)&val)[0], &in[2 * out_cnt]);
+ break;
+ case 4: ///DSD256
+ __get_user(val, (int32_t*)in);
+ break;
}
((int32_t*)out)[out_cnt] = val;
}
}
in += stepIn;
- if(currentOutPos + stepOut >= ravBuffer_csize)
+ if (currentOutPos + stepOut >= ring_buffer_size)
{
currentOutPos = 0;
- out = chip->playback_buffer + chn * ravBuffer_csize;
+ out = chip->playback_buffer + chn * ring_buffer_size;
}
else
{
@@ -1442,56 +1393,37 @@ static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *s
}
}
}
- }
- else
- {
+ else
{
- //printk("mr_alsa_audio_pcm_playback_copy: no de-interleaving, converting %u frames with strideIn = %u\n", count, strideIn);
- /// do the format conversion to the Ravenna Ring buffer
+ for (chn = 0; chn < runtime->channels; ++chn)
{
- unsigned char *in, *out;
- unsigned int stepIn = strideIn;
- unsigned int stepOut = strideOut * chip->nb_playback_interrupts_per_period;
- size_t ravBuffer_csize = MR_ALSA_RINGBUFFER_NB_FRAMES * strideOut;
uint32_t currentOutPos = ravenna_buffer_pos * strideOut;
snd_pcm_uframes_t frmCnt = 0;
-
- in = (unsigned char*)src;
- out = chip->playback_buffer + channel * ravBuffer_csize + currentOutPos;
- for(frmCnt = 0; frmCnt < count; ++frmCnt)
+ in = (unsigned char*)src + chn * strideIn;
+ out = chip->playback_buffer + chn * ring_buffer_size + currentOutPos;
+ //
+ ///Conversion to Signed integer 32 bit LE
+ for (frmCnt = 0; frmCnt < count; ++frmCnt)
{
- /// conversion to signed 32 bit integer LE
/// assumes Little Endian
- int32_t val = 0;
- if(dsdmode == 0)
+ int32_t val = 0;
+ if (dsdmode == 0)
{
- switch(nb_logical_bits)
+ switch (nb_logical_bits)
{
- case 16:
- //val = (((int32_t)(in[1]) << 8) | ((int32_t)(in[0]))) << 16;
- // OR
- //((unsigned char*)&val)[3] = in[1];
- //((unsigned char*)&val)[2] = in[0];
- // OR without intermediate copy_from_user buffer
- __get_user(((unsigned char*)&val)[3], &in[1]);
- __get_user(((unsigned char*)&val)[2], &in[0]);
- break;
- case 24:
- //val = (((int32_t)(in[2]) << 16) | ((int32_t)(in[1]) << 8) | ((int32_t)(in[0]))) << 8;
- // OR
- // ((unsigned char*)&val)[3] = in[2];
- // ((unsigned char*)&val)[2] = in[1];
- // ((unsigned char*)&val)[1] = in[0];
- // OR without intermediate copy_from_user buffer
- __get_user(((unsigned char*)&val)[3], &in[2]);
- __get_user(((unsigned char*)&val)[2], &in[1]);
- __get_user(((unsigned char*)&val)[1], &in[0]);
- break;
- case 32:
- //val = *(int32_t*)(in);
- // OR without intermediate copy_from_user buffer
- __get_user(val, (int32_t*)in);
- break;
+ case 16:
+
+ ((unsigned char*)&val)[3] = in[1];
+ ((unsigned char*)&val)[2] = in[0];
+ break;
+ case 24:
+ ((unsigned char*)&val)[3] = in[2];
+ ((unsigned char*)&val)[2] = in[1];
+ ((unsigned char*)&val)[1] = in[0];
+ break;
+ case 32:
+ val = *(int32_t*)(in);
+ break;
}
*((int32_t*)out) = val;
}
@@ -1499,33 +1431,29 @@ static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *s
{
/// interleaved DSD stream to non interleaved 32 bit aligned blocks with 1/2/4 DSD bytes per 32 bit
uint32_t out_cnt;
- for(out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
+ for (out_cnt = 0; out_cnt < chip->nb_playback_interrupts_per_period; ++out_cnt)
{
- switch(dsdmode)
+ switch (dsdmode)
{
- case 1: ///DSD64
- //val = *(int32_t*)(in + out_cnt) & 0xFF;
- __get_user(((unsigned char*)&val)[0], &in[out_cnt]);
- break;
- case 2: ///DSD128
- //val = (((int32_t)(in[2 * out_cnt + 1]) << 8) | ((int32_t)(in[2 * out_cnt]))) & 0xFFFF;
- __get_user(((unsigned char*)&val)[1], &in[2 * out_cnt + 1]);
- __get_user(((unsigned char*)&val)[0], &in[2 * out_cnt]);
- break;
- case 4: ///DSD256
- //val = *(int32_t*)(in);
- // OR without intermediate copy_from_user buffer
- __get_user(val, (int32_t*)in);
- break;
+ case 1: ///DSD64
+ val = *(int32_t*)(in + out_cnt) & 0xFF;
+ break;
+ case 2: ///DSD128
+ val = (((int32_t)(in[2 * out_cnt + 1]) << 8) | ((int32_t)(in[2 * out_cnt]))) & 0xFFFF;
+ break;
+ case 4: ///DSD256
+ val = *(int32_t*)(in);
+ break;
}
((int32_t*)out)[out_cnt] = val;
}
}
+
in += stepIn;
- if(currentOutPos + stepOut >= ravBuffer_csize)
+ if (currentOutPos + stepOut >= ring_buffer_size)
{
currentOutPos = 0;
- out = chip->playback_buffer + channel * ravBuffer_csize;
+ out = chip->playback_buffer + chn * ring_buffer_size;
}
else
{
@@ -1536,248 +1464,17 @@ static int mr_alsa_audio_pcm_playback_copy_internal( struct snd_pcm_substream *s
}
}
}
-
-
- #ifdef MUTE_CHECK
- // First channel check
- mute_detected = !memcmp(testblock, buffer_to_check, min((ssize_t )256, frames_to_bytes(runtime, count)));
- if (mute_detected != playback_mute_detected)
+ else
{
- if (mute_detected)
- printk(">>>>Playback buffer mute detected\n");
- else
- printk(">>>>Playback buffer signal detected\n");
- playback_mute_detected = mute_detected;
+ printk(KERN_WARNING "Uninterleaved Playback is not supported\n");
+ return -EINVAL;
}
- #endif
chip->playback_buffer_alsa_sac += count;
return count;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
-static int mr_alsa_audio_pcm_playback_fill_silence( struct snd_pcm_substream *substream,
- int channel, unsigned long pos,
- unsigned long count)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- bool interleaved = runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED ? 1 : 0;
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
- return mr_alsa_audio_pcm_playback_silence(substream, interleaved ? -1 : channel, pos / bytes_to_frame_factor, count / bytes_to_frame_factor);
-}
-#endif
-
-static int mr_alsa_audio_pcm_playback_silence( struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos,
- snd_pcm_uframes_t count)
-{
- struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned char *out;
- int interleaved = ((channel == -1 && runtime->channels > 1)? 1 : 0);
- //unsigned int strideIn = snd_pcm_format_physical_width(runtime->format) >> 3;
- unsigned int strideOut = snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32_LE) >> 3;
- size_t ravBuffer_csize = MR_ALSA_RINGBUFFER_NB_FRAMES * strideOut;
- const unsigned char def_sil_pat[8] = {0,0,0,0,0,0,0,0};
- const unsigned char *sil_pat = snd_pcm_format_silence_64(runtime->format);
- const uint32_t dsd_pattern = 0x55555555;
- uint32_t dsdrate = mr_alsa_audio_get_dsd_sample_rate(runtime->format, runtime->rate);
- uint32_t dsdmode = (dsdrate > 0? mr_alsa_audio_get_dsd_mode(dsdrate) : 0);
-
- /// Ravenna DSD always uses a rate of 352k with eventual zero padding to maintain a 32 bit alignment
- /// while DSD in ALSA uses a continuous 8, 16 or 32 bit aligned stream with at 352k, 176k or 88k
- /// so respective ring buffers might have different scale and size
- pos *= chip->nb_playback_interrupts_per_period;
-
- printk(KERN_DEBUG "mr_alsa_audio_pcm_playback_silence called for %lu frames at pos %lu\n", count, pos);
-
- if(sil_pat == NULL)
- sil_pat = &def_sil_pat[0];
-
- if(interleaved)
- {
- /// mute all channels directly in the Ravenna Ring Buffer
- unsigned int samples = count;
- int chn = 0;
- for(chn = 0; chn < runtime->channels; ++chn)
- {
- out = chip->playback_buffer + chn * ravBuffer_csize + pos * strideOut;
- if(dsdmode == 0)
- {
- switch (strideOut)
- {
- case 2:
- while (samples--) {
- memcpy(out, sil_pat, 2);
- out += 2;
- }
- break;
- case 3:
- while (samples--) {
- memcpy(out, sil_pat, 3);
- out += 3;
- }
- break;
- case 4:
- while (samples--) {
- memcpy(out, sil_pat, 4);
- out += 4;
- }
- break;
- }
- }
- else
- {
- uint32_t dsdmute = dsd_pattern;
- switch(dsdmode)
- {
- case 1: ///DSD64
- dsdmute = (dsd_pattern & 0xFF);
- break;
- case 2: ///DSD128
- dsdmute = (dsd_pattern & 0xFFFF);
- break;
- }
- while (samples--)
- {
- memcpy(out, &dsdmute, strideOut);
- out += strideOut;
- }
- }
- }
- }
- else
- {
- /// mute the specified channel in the Ravenna Ring Buffer
- unsigned int samples = count;
- out = chip->playback_buffer + channel * ravBuffer_csize + pos * strideOut;
- if(dsdmode == 0)
- {
- switch (strideOut)
- {
- case 2:
- while (samples--) {
- memcpy(out, sil_pat, 2);
- out += 2;
- }
- break;
- case 3:
- while (samples--) {
- memcpy(out, sil_pat, 3);
- out += 3;
- }
- break;
- case 4:
- while (samples--) {
- memcpy(out, sil_pat, 4);
- out += 4;
- }
- break;
- }
- }
- else
- {
- uint32_t dsdmute = dsd_pattern;
- switch(dsdmode)
- {
- case 1: ///DSD64
- dsdmute = (dsd_pattern & 0xFF);
- break;
- case 2: ///DSD128
- dsdmute = (dsd_pattern & 0xFFFF);
- break;
- }
- while (samples--)
- {
- memcpy(out, &dsdmute, strideOut);
- out += strideOut;
- }
- }
- }
- return count;
-}
-
-static void mr_alsa_audio_pcm_capture_ack_transfer(struct snd_pcm_substream *substream, struct snd_pcm_indirect *rec, size_t bytes)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
- uint32_t ring_buffer_size = MR_ALSA_RINGBUFFER_NB_FRAMES; // init to the max size possible
- uint32_t pos = chip->capture_buffer_pos;
-
- char jitter_buffer_byte_len = 3;
- chip->mr_alsa_audio_ops->get_jitter_buffer_sample_bytelength(chip->ravenna_peer, &jitter_buffer_byte_len);
-
- ring_buffer_size = chip->current_dsd ? MR_ALSA_RINGBUFFER_NB_FRAMES : runtime->period_size * runtime->periods;
-
- //printk(KERN_DEBUG "Transfer Capture pos = %u, size = %zu (ring_buffer_size = %u, bytes_to_frame_factor = %zu, jitter_buffer_byte_len = %d)\n", pos, bytes, ring_buffer_size, bytes_to_frame_factor, jitter_buffer_byte_len);
-
- chip->capture_buffer_pos += bytes / bytes_to_frame_factor;
- if (chip->capture_buffer_pos >= ring_buffer_size)
- {
- // unsigned long end_bytes = ring_buffer_size - pos;
- // unsigned long start_bytes = bytes - end_bytes;
-
- // mr_alsa_audio_pcm_capture_copy_internal(chip->capture_substream,
- // runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ? -1 : runtime->channels/*channel*/,
- // pos, runtime->dma_area + rec->sw_data/**src*/, (end_bytes * jitter_buffer_byte_len) / bytes_to_frame_factor);
-
- // mr_alsa_audio_pcm_capture_copy_internal(chip->capture_substream,
- // runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ? -1 : runtime->channels/*channel*/,
- // 0, runtime->dma_area + rec->sw_data + end_bytes, (start_bytes * jitter_buffer_byte_len) / bytes_to_frame_factor);
-
- // memset(runtime->dma_area + rec->sw_data, 0x00, bytes);
-
- chip->capture_buffer_pos -= ring_buffer_size;
- if (chip->capture_buffer_pos != 0)
- printk(KERN_WARNING "Capture tranfer buffer wrapping to implement");
- }
- //else
- {
- mr_alsa_audio_pcm_capture_copy_internal(chip->capture_substream,
- runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ? -1 : runtime->channels/*channel*/,
- pos, runtime->dma_area + rec->sw_data/**src*/, bytes / bytes_to_frame_factor, false);
- }
-}
-
-static void mr_alsa_audio_pcm_playback_ack_transfer(struct snd_pcm_substream *substream, struct snd_pcm_indirect *rec, size_t bytes)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
- unsigned long bytes_to_frame_factor = runtime->channels * snd_pcm_format_physical_width(runtime->format) >> 3;
-
- mr_alsa_audio_pcm_playback_copy_internal(chip->playback_substream,
- runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ? -1 : runtime->channels/*channel*/,
- chip->playback_buffer_pos/*pos*/, runtime->dma_area + rec->sw_data/**src*/, bytes / bytes_to_frame_factor/*count*/);
-}
-
-static int mr_alsa_audio_pcm_ack(struct snd_pcm_substream *substream)
-{
- struct mr_alsa_audio_chip *chip = snd_pcm_substream_chip(substream);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- {
- struct snd_pcm_indirect *pcm_indirect = &chip->pcm_playback_indirect;
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
- return snd_pcm_indirect_playback_transfer(substream, pcm_indirect, mr_alsa_audio_pcm_playback_ack_transfer);
- #else
- snd_pcm_indirect_playback_transfer(substream, pcm_indirect, mr_alsa_audio_pcm_playback_ack_transfer);
- return 0;
- #endif
- }
- else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
- {
- struct snd_pcm_indirect *pcm_indirect = &chip->pcm_capture_indirect;
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
- return snd_pcm_indirect_capture_transfer(substream, pcm_indirect, mr_alsa_audio_pcm_capture_ack_transfer);
- #else
- snd_pcm_indirect_capture_transfer(substream, pcm_indirect, mr_alsa_audio_pcm_capture_ack_transfer);
- return 0;
- #endif
- }
- return 0;
-}
/// hw_params callback
/// This is called when the hardware parameter (hw_params) is set up by the application, that is, once when
@@ -2339,14 +2032,10 @@ static struct snd_pcm_ops mr_alsa_audio_pcm_playback_ops = {
.pointer = mr_alsa_audio_pcm_pointer,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
.copy_user = mr_alsa_audio_pcm_playback_copy_user,
- //.copy_kernel = mr_alsa_audio_pcm_playback_copy,
- .fill_silence = mr_alsa_audio_pcm_playback_fill_silence,
#else
.copy = mr_alsa_audio_pcm_playback_copy,
- .silence = mr_alsa_audio_pcm_playback_silence,
#endif
.page = snd_pcm_lib_get_vmalloc_page,
- .ack = mr_alsa_audio_pcm_ack,
};
/////////////////////////////////////////////////////////////////////////////////////
@@ -2361,14 +2050,12 @@ static struct snd_pcm_ops mr_alsa_audio_pcm_capture_ops = {
.pointer = mr_alsa_audio_pcm_pointer,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
.copy_user = mr_alsa_audio_pcm_capture_copy_user,
- //.copy_kernel = mr_alsa_audio_pcm_capture_copy,
.fill_silence = NULL,
#else
.copy = mr_alsa_audio_pcm_capture_copy,
.silence = NULL, //mr_alsa_audio_pcm_silence,
#endif
.page = snd_pcm_lib_get_vmalloc_page,
- .ack = mr_alsa_audio_pcm_ack,
};
@@ -2786,4 +2473,4 @@ void mr_alsa_audio_card_exit(void)
g_ravenna_peer = NULL;
g_mr_alsa_audio_ops = NULL;
printk(KERN_INFO "leaving mr_alsa_audio_card_exit..\n");
-}
\ No newline at end of file
+}

19
3rdparty/patches/ravenna-alsa-lkm-disable-ptp-checksum.patch vendored
View File

@ -1,19 +0,0 @@
diff --git a/driver/PTP.c b/driver/PTP.c
--- a/driver/PTP.c
+++ b/driver/PTP.c
@@ -306,6 +306,7 @@ EDispatchResult process_PTP_packet(TClock_PTP* self, TUDPPacketBase* pUDPPacketB
}
// verify checksum
+#if 0
if (pUDPPacketBase->UDPHeader.usCheckSum != 0)
{
uint16_t ui16CheckSum = MTAL_ComputeUDPChecksum(&pPTPPacketBase->UDPHeader, MTAL_SWAP16(pUDPPacketBase->UDPHeader.usLen), (unsigned short*)&pPTPPacketBase->IPV4Header.ui32SrcIP, (unsigned short*)&pPTPPacketBase->IPV4Header.ui32DestIP);
@@ -319,6 +320,7 @@ EDispatchResult process_PTP_packet(TClock_PTP* self, TUDPPacketBase* pUDPPacketB
return DR_PACKET_ERROR;
}
}
+#endif
//DumpPTPV2MsgHeader(&pPTPPacketBase->V2MsgHeader);

13
3rdparty/patches/ravenna-alsa-lkm-enable-loopback.patch vendored
View File

@ -1,13 +0,0 @@
diff --git a/driver/module_interface.c b/driver/module_interface.c
index 5f924f9..be0663b 100644
--- a/driver/module_interface.c
+++ b/driver/module_interface.c
@@ -94,7 +94,7 @@ unsigned int nf_hook_func(unsigned int hooknum, struct sk_buff *skb, const struc
if (ip_header->saddr == 0x0100007f) // 127.0.0.1
{
//printk(KERN_INFO "Loopback address detected\n");
- return NF_ACCEPT;
+ //return NF_ACCEPT;
}

23
3rdparty/patches/ravenna-alsa-lkm-enable-mono-channels.patch vendored
View File

@ -1,23 +0,0 @@
diff --git a/driver/audio_driver.c b/driver/audio_driver.c
index 3d9debd..339327b 100644
--- a/driver/audio_driver.c
+++ b/driver/audio_driver.c
@@ -1106,7 +1130,7 @@ static struct snd_pcm_hardware mr_alsa_audio_pcm_hardware_playback =
.rates = (SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|SNDRV_PCM_RATE_192000),
.rate_min = 44100,
.rate_max = 384000,
- .channels_min = 2,
+ .channels_min = 1,
.channels_max = MR_ALSA_NB_CHANNELS_MAX,
.buffer_bytes_max = MR_ALSA_RINGBUFFER_NB_FRAMES * MR_ALSA_NB_CHANNELS_MAX * 4, // 4 bytes per sample, 128 ch
.period_bytes_min = MR_ALSA_NB_FRAMES_PER_PERIOD_AT_1FS * 2 * 3, // amount of data in bytes for 8 channels, 24bit samples, at 1Fs
@@ -1135,7 +1159,7 @@ static struct snd_pcm_hardware mr_alsa_audio_pcm_hardware_capture =
.rates = (SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|SNDRV_PCM_RATE_192000),
.rate_min = 44100,
.rate_max = 384000,
- .channels_min = 2,
+ .channels_min = 1,
.channels_max = MR_ALSA_NB_CHANNELS_MAX,
.buffer_bytes_max = MR_ALSA_RINGBUFFER_NB_FRAMES * MR_ALSA_NB_CHANNELS_MAX * 4, // 4 bytes per sample, 128 ch
.period_bytes_min = MR_ALSA_NB_FRAMES_PER_PERIOD_AT_1FS * 2 * 4, // amount of data in bytes for 8 channels, 24bit samples, at 1Fs

82
3rdparty/patches/ravenna-alsa-lkm-fixes.patch vendored
View File

@ -1,82 +0,0 @@
diff --git a/common/MergingRAVENNACommon.h b/common/MergingRAVENNACommon.h
index f26368d..a21f4a7 100644
--- a/common/MergingRAVENNACommon.h
+++ b/common/MergingRAVENNACommon.h
@@ -78,8 +78,8 @@
#define DEFAULT_AUDIOMODE MergingRAVENNACommon::AM_PCM
#define DEFAULT_AUDIODATAFORMAT MergingRAVENNACommon::ADF_PCM
#define DEFAULT_ZONE MergingRAVENNACommon::Z_8_HP
-#define DEFAULT_NUMBEROFINPUTS 8
-#define DEFAULT_NUMBEROFOUTPUTS 8
+#define DEFAULT_NUMBEROFINPUTS 64
+#define DEFAULT_NUMBEROFOUTPUTS 64
#define DEFAULT_FOLLOWDOPDETECTION true
#ifdef DSD256_at_705k6
diff --git a/driver/PTP.c b/driver/PTP.c
index 4b2242a..1bf593a 100644
--- a/driver/PTP.c
+++ b/driver/PTP.c
@@ -90,7 +90,7 @@ uint32_t get_FS(uint32_t ui32SamplingRate)
return 2;
default:
// TODO: should assert
- MTAL_DP("Caudio_streamer_clock::get_FS error: unknown SamplingRate = %u\n", ui32SamplingRate);
+ //MTAL_DP("Caudio_streamer_clock::get_FS error: unknown SamplingRate = %u\n", ui32SamplingRate);
case 48000:
case 44100:
return 1;
@@ -110,7 +110,7 @@ uint32_t get_samplerate_base(uint32_t ui32SamplingRate)
default:
// TODO: should assert
- MTAL_DP("Caudio_streamer_clock::get_samplerate_base error: unknown SamplingRate = %u\n", ui32SamplingRate);
+ //MTAL_DP("Caudio_streamer_clock::get_samplerate_base error: unknown SamplingRate = %u\n", ui32SamplingRate);
case 352800:
case 176400:
case 88200:
diff --git a/driver/module_netlink.c b/driver/module_netlink.c
index 48de263..dcdcce0 100644
--- a/driver/module_netlink.c
+++ b/driver/module_netlink.c
@@ -158,7 +158,7 @@ void recv_reply_from_user_land(struct sk_buff *skb)
// check if the given size if sufficient to copy the answered data
if (response_from_user_land->dataSize >= msg->dataSize)
{
- if (response_from_user_land->data == NULL)
+ if (response_from_user_land->data != NULL)
{
memcpy(response_from_user_land->data, msg->data, msg->dataSize);
}
diff --git a/driver/MTAL_stdint.h b/driver/MTAL_stdint.h
index 3ccc109..2f11a58 100644
--- a/driver/MTAL_stdint.h
+++ b/driver/MTAL_stdint.h
@@ -64,9 +64,9 @@
}
#endif // __cplusplus
#include <linux/types.h>
- #define new NEW
+ //#define new NEW
#include <linux/string.h>
- #undef new
+ //#undef new
#else
#include <stdint.h>
#endif
diff --git a/driver/RTP_stream_info.c b/driver/RTP_stream_info.c
index ac65bbb..a65994f 100644
--- a/driver/RTP_stream_info.c
+++ b/driver/RTP_stream_info.c
@@ -32,9 +32,9 @@
#include "MTAL_TargetPlatform.h"
#if (defined(MTAL_LINUX) && defined(MTAL_KERNEL))
- #define new NEW
+ //#define new NEW
#include <linux/string.h>
- #undef new
+ //#undef new
#else
#include <string.h>
#endif

276
3rdparty/patches/ravenna-alsa-lkm-independent-playback-capture.patch vendored
View File

@ -1,276 +0,0 @@
diff --git a/driver/audio_driver.c b/driver/audio_driver.c
index 3d9debd..169348b 100644
--- a/driver/audio_driver.c
+++ b/driver/audio_driver.c
@@ -824,13 +824,13 @@ static int mr_alsa_audio_pcm_trigger(struct snd_pcm_substream *alsa_sub, int cmd
n = snd_pcm_playback_hw_avail(runtime);
n += runtime->delay;
}
- chip->mr_alsa_audio_ops->start_interrupts(chip->ravenna_peer);
+ chip->mr_alsa_audio_ops->start_interrupts(chip->ravenna_peer, alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK);
return 0;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
- chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer);
+ chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer, alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK);
return 0;
default:
return -EINVAL;
@@ -870,15 +885,19 @@ static int mr_alsa_audio_pcm_prepare(struct snd_pcm_substream *substream)
{
if(runtime_dsd_mode != chip->current_dsd)
{
- chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer);
+ chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer, substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
+ spin_unlock_irq(&chip->lock);
err = chip->mr_alsa_audio_ops->set_sample_rate(chip->ravenna_peer, runtime_dsd_rate);
+ spin_lock_irq(&chip->lock);
}
}
else if(chip->current_rate != runtime->rate)
{
- chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer);
+ chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer, substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
//printk("\n### mr_alsa_audio_pcm_prepare: mr_alsa_audio_ops->set_sample_rate to %u\n", runtime->rate);
+ spin_unlock_irq(&chip->lock);
err = chip->mr_alsa_audio_ops->set_sample_rate(chip->ravenna_peer, runtime->rate);
+ spin_lock_irq(&chip->lock);
//printk("### mr_alsa_audio_pcm_prepare: mr_alsa_audio_ops->set_sample_rate returned %d\n\n", err);
}
@@ -1825,14 +1526,18 @@ static int mr_alsa_audio_pcm_hw_params( struct snd_pcm_substream *substream,
{
if(dsd_mode != chip->current_dsd)
{
- chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer);
+ chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer, substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
+ spin_unlock_irq(&chip->lock);
err = chip->mr_alsa_audio_ops->set_sample_rate(chip->ravenna_peer, dsd_rate);
+ spin_lock_irq(&chip->lock);
}
}
else if(rate != chip->current_rate)
{
- chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer);
+ chip->mr_alsa_audio_ops->stop_interrupts(chip->ravenna_peer, substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
+ spin_unlock_irq(&chip->lock);
err = chip->mr_alsa_audio_ops->set_sample_rate(chip->ravenna_peer, rate);
+ spin_lock_irq(&chip->lock);
}
if(chip->ravenna_peer)
diff --git a/driver/manager.c b/driver/manager.c
index 25b77dc..ec62624 100644
--- a/driver/manager.c
+++ b/driver/manager.c
@@ -133,6 +133,8 @@ bool init(struct TManager* self, int* errorCode)
self->m_bIORunning = false;
self->m_pALSAChip = NULL;
self->m_alsa_driver_frontend = NULL;
+ self->m_bIsPlaybackIO = false;
+ self->m_bIsRecordingIO = false;
memset(self->m_cInterfaceName, 0, MAX_INTERFACE_NAME);
@@ -249,8 +251,10 @@ bool start(struct TManager* self)
bool stop(struct TManager* self)
{
MTAL_DP("entering CManager::stop..\n");
- if(self->m_bIORunning)
- stopIO(self);
+ if(self->m_bIORunning) {
+ stopIO(self, false);
+ stopIO(self, true);
+ }
EnableEtherTube(&self->m_EthernetFilter, 0);
StopAudioFrameTICTimer(&self->m_PTP);
@@ -261,14 +265,23 @@ bool stop(struct TManager* self)
}
//////////////////////////////////////////////////////////////////////////////////
-bool startIO(struct TManager* self)
+bool startIO(struct TManager* self, bool is_playback)
{
if(!self->m_bIsStarted)
return false;
+
MTAL_DP("MergingRAVENNAAudioDriver::startIO\n");
- MuteInputBuffer(self);
- MuteOutputBuffer(self);
+ if (!is_playback) {
+ printk(KERN_DEBUG "starting capture I/O\n");
+ MuteInputBuffer(self);
+ self->m_bIsRecordingIO = true;
+ }
+ else {
+ printk(KERN_DEBUG "starting playback I/O\n");
+ MuteOutputBuffer(self);
+ self->m_bIsPlaybackIO = true;
+ }
#if defined(MT_TONE_TEST)
self->m_tone_test_phase = 0;
@@ -283,12 +296,27 @@ bool startIO(struct TManager* self)
}
//////////////////////////////////////////////////////////////////////////////////
-bool stopIO(struct TManager* self)
+bool stopIO(struct TManager* self, bool is_playback)
{
MTAL_DP("MergingRAVENNAAudioDriver::stopIO\n");
- self->m_bIORunning = false;
- MuteInputBuffer(self);
- MuteOutputBuffer(self);
+
+ if (is_playback && !self->m_bIsPlaybackIO)
+ return true;
+ if (!is_playback && !self->m_bIsRecordingIO)
+ return true;
+
+ if (!is_playback) {
+ printk(KERN_DEBUG "stopping capture I/O\n");
+ MuteInputBuffer(self);
+ self->m_bIsRecordingIO = false;
+ } else {
+ printk(KERN_DEBUG "stopping playback I/O\n");
+ MuteOutputBuffer(self);
+ self->m_bIsPlaybackIO = false;
+ }
+
+ self->m_bIORunning = self->m_bIsRecordingIO || self->m_bIsPlaybackIO;
+
return true;
}
@@ -613,7 +641,8 @@ void OnNewMessage(struct TManager* self, struct MT_ALSA_msg* msg_rcv)
case MT_ALSA_Msg_StartIO:
{
MTAL_DP("CManager::OnNewMessage MT_ALSA_Msg_StartIO..\n");
- if (!startIO(self))
+ /*
+ if (!startIO(self) )
{
MTAL_DP("CManager::OnNewMessage MT_ALSA_Msg_StartIO.. failed\n");
msg_reply.errCode = -401;
@@ -623,11 +652,14 @@ void OnNewMessage(struct TManager* self, struct MT_ALSA_msg* msg_rcv)
MTAL_DP("CManager::OnNewMessage MT_ALSA_Msg_StartIO.. succeeded\n");
msg_reply.errCode = 0;
}
+ */
+ msg_reply.errCode = -401;
break;
}
case MT_ALSA_Msg_StopIO:
{
MTAL_DP("CManager::OnNewMessage MT_ALSA_Msg_StopIO..\n");
+ /*
if (!stopIO(self))
{
MTAL_DP("CManager::OnNewMessage MT_ALSA_Msg_StopIO.. failed\n");
@@ -638,6 +670,8 @@ void OnNewMessage(struct TManager* self, struct MT_ALSA_msg* msg_rcv)
MTAL_DP("CManager::OnNewMessage MT_ALSA_Msg_StopIO.. succeeded\n");
msg_reply.errCode = 0;
}
+ */
+ msg_reply.errCode = -401;
break;
}
case MT_ALSA_Msg_SetSampleRate:
@@ -1468,8 +1502,10 @@ void AudioFrameTIC(void* user)
frame_process_begin(&self->m_RTP_streams_manager);
if(self->m_pALSAChip && self->m_alsa_driver_frontend)
{
- self->m_alsa_driver_frontend->pcm_interrupt(self->m_pALSAChip, 1);
- self->m_alsa_driver_frontend->pcm_interrupt(self->m_pALSAChip, 0);
+ if (self->m_bIsRecordingIO)
+ self->m_alsa_driver_frontend->pcm_interrupt(self->m_pALSAChip, 1);
+ if (self->m_bIsPlaybackIO)
+ self->m_alsa_driver_frontend->pcm_interrupt(self->m_pALSAChip, 0);
}
frame_process_end(&self->m_RTP_streams_manager);
#endif
@@ -1680,20 +1714,25 @@ int get_interrupts_frame_size(void* user, uint32_t *framesize)
return -EINVAL;
}
-int start_interrupts(void* user)
+int start_interrupts(void* user, bool is_playback)
{
struct TManager* self = (struct TManager*)user;
- if(startIO(self))
+
+ MTAL_DP("entering CManager::start_interrupts..\n");
+ if(startIO(self, is_playback)) {
return 0;
+ }
return -1;
}
-int stop_interrupts(void* user)
+int stop_interrupts(void* user, bool is_playback)
{
struct TManager* self = (struct TManager*)user;
+
MTAL_DP("entering CManager::stop_interrupts..\n");
- if(stopIO(self))
+ if (stopIO(self, is_playback)) {
return 0;
+ }
return -1;
}
diff --git a/driver/manager.h b/driver/manager.h
index a5b2fc2..3306bc9 100644
--- a/driver/manager.h
+++ b/driver/manager.h
@@ -86,6 +86,9 @@ struct TManager
int32_t m_nPlayoutDelay;
int32_t m_nCaptureDelay;
+ bool m_bIsPlaybackIO;
+ bool m_bIsRecordingIO;
+
volatile bool m_bIsStarted;
volatile bool m_bIORunning;
@@ -144,8 +147,8 @@ void destroy(struct TManager* self);
bool start(struct TManager* self);
bool stop(struct TManager* self);
-bool startIO(struct TManager* self);
-bool stopIO(struct TManager* self);
+bool startIO(struct TManager* self, bool is_playback);
+bool stopIO(struct TManager* self, bool is_playback);
bool SetInterfaceName(struct TManager* self, const char* cInterfaceName);
bool SetSamplingRate(struct TManager* self, uint32_t SamplingRate);
@@ -242,8 +245,8 @@ int get_nb_inputs(void* user, uint32_t *nb_Channels);
int get_nb_outputs(void* user, uint32_t *nb_Channels);
int get_playout_delay(void* user, snd_pcm_sframes_t *delay_in_sample);
int get_capture_delay(void* user, snd_pcm_sframes_t *delay_in_sample);
-int start_interrupts(void* user);
-int stop_interrupts(void* user);
+int start_interrupts(void* user, bool is_playback);
+int stop_interrupts(void* user, bool is_playback);
int notify_master_volume_change(void* user, int direction, int32_t value);
int notify_master_switch_change(void* user, int direction, int32_t value);
int get_master_volume_value(void* user, int direction, int32_t* value);
diff --git a/driver/audio_driver.h b/driver/audio_driver.h
index 930e429..3f2c76d 100644
--- a/driver/audio_driver.h
+++ b/driver/audio_driver.h
@@ -74,8 +74,8 @@ struct alsa_ops
int (*get_nb_outputs)(void* ravenna_peer, uint32_t *nb_channels);
int (*get_playout_delay)(void* ravenna_peer, snd_pcm_sframes_t *delay_in_sample);
int (*get_capture_delay)(void* ravenna_peer, snd_pcm_sframes_t *delay_in_sample);
- int (*start_interrupts)(void* ravenna_peer); /// starts IO
- int (*stop_interrupts)(void* ravenna_peer); /// stops IO
+ int (*start_interrupts)(void* ravenna_peer, bool is_playback); /// starts IO
+ int (*stop_interrupts)(void* ravenna_peer, bool is_playback); /// stops IO
int (*notify_master_volume_change)(void* ravenna_peer, int direction, int32_t value); /// direction: 0 for playback, 1 for capture. value: from -99 to 0
int (*notify_master_switch_change)(void* ravenna_peer, int direction, int32_t value); /// direction: 0 for playback, 1 for capture. value: 0 for mute, 1 for enable

22
3rdparty/patches/ravenna-alsa-lkm-init-play-capture-buffers.patch vendored
View File

@ -1,22 +0,0 @@
diff --git a/driver/audio_driver.c b/driver/audio_driver.c
index 3d9debd..339327b 100644
--- a/driver/audio_driver.c
+++ b/driver/audio_driver.c
@@ -2441,7 +2142,7 @@ static int mr_alsa_audio_preallocate_memory(struct mr_alsa_audio_chip *chip)
printk(KERN_ERR "mr_alsa_audio_preallocate_memory: could not allocate playback buffer (%zd bytes vmalloc requested...\n", wanted);
goto _failed;
}
-
+ memset(chip->playback_buffer, 0, wanted);
wanted = mr_alsa_audio_pcm_hardware_capture.buffer_bytes_max; // MR_ALSA_RINGBUFFER_NB_FRAMES * MR_ALSA_NB_CHANNELS_MAX * 4;
@@ -2452,6 +2153,7 @@ static int mr_alsa_audio_preallocate_memory(struct mr_alsa_audio_chip *chip)
printk(KERN_ERR "mr_alsa_audio_preallocate_memory: could not allocate capture buffer (%zd bytes vmalloc requested...\n", wanted);
goto _failed;
}
+ memset(chip->capture_buffer, 0, wanted);
for (i = 0; i < MR_ALSA_NB_CHANNELS_MAX; i++)
{
chip->capture_buffer_channels_map[i] = (void*)chip->capture_buffer + MR_ALSA_RINGBUFFER_NB_FRAMES * i * 4;

148
3rdparty/patches/ravenna-alsa-lkm-kernel-v5.patch vendored
View File

@ -1,148 +0,0 @@
diff --git a/driver/module_timer.c b/driver/module_timer.c
index 5f64a8e..158d5ee 100644
--- a/driver/module_timer.c
+++ b/driver/module_timer.c
@@ -35,12 +35,61 @@
#include "module_main.h"
#include "module_timer.h"
-static struct tasklet_hrtimer my_hrtimer_;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0)
+struct tasklet_hrtimer {
+ struct hrtimer timer;
+ struct tasklet_struct tasklet;
+ enum hrtimer_restart (*function)(struct hrtimer *);
+};
+
+static inline
+void tasklet_hrtimer_cancel(struct tasklet_hrtimer *ttimer)
+{
+ hrtimer_cancel(&ttimer->timer);
+ tasklet_kill(&ttimer->tasklet);
+}
+
+static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer)
+{
+ struct tasklet_hrtimer *ttimer =
+ container_of(timer, struct tasklet_hrtimer, timer);
+ tasklet_hi_schedule(&ttimer->tasklet);
+ return HRTIMER_NORESTART;
+}
+
+static void __tasklet_hrtimer_trampoline(unsigned long data)
+{
+ struct tasklet_hrtimer *ttimer = (void *)data;
+ enum hrtimer_restart restart;
+ restart = ttimer->function(&ttimer->timer);
+ if (restart != HRTIMER_NORESTART)
+ hrtimer_restart(&ttimer->timer);
+}
+
+void tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
+ enum hrtimer_restart (*function)(struct hrtimer *),
+ clockid_t which_clock, enum hrtimer_mode mode)
+{
+ hrtimer_init(&ttimer->timer, which_clock, mode);
+ ttimer->timer.function = __hrtimer_tasklet_trampoline;
+ tasklet_init(&ttimer->tasklet, __tasklet_hrtimer_trampoline,
+ (unsigned long)ttimer);
+ ttimer->function = function;
+}
+
+static inline
+void tasklet_hrtimer_start(struct tasklet_hrtimer *ttimer, ktime_t time,
+ const enum hrtimer_mode mode)
+{
+ hrtimer_start(&ttimer->timer, time, mode);
+}
+#endif
+
static uint64_t base_period_;
static uint64_t max_period_allowed;
static uint64_t min_period_allowed;
static int stop_;
-
+static struct tasklet_hrtimer my_hrtimer_;
enum hrtimer_restart timer_callback(struct hrtimer *timer)
{
@@ -57,15 +106,15 @@ enum hrtimer_restart timer_callback(struct hrtimer *timer)
if (now > next_wakeup)
{
- printk(KERN_INFO "Timer won't sleep, clock_timer is recall instantly\n");
+ //printk(KERN_INFO "Timer won't sleep, clock_timer is recall instantly\n");
period = ktime_set(0, 0);
}
else if (ktime_to_ns(period) > max_period_allowed || ktime_to_ns(period) < min_period_allowed)
{
- printk(KERN_INFO "Timer period out of range: %lld [ms]. Target period = %lld\n", ktime_to_ns(period) / 1000000, base_period_ / 1000000);
+ //printk(KERN_INFO "Timer period out of range: %lld [ms]. Target period = %lld\n", ktime_to_ns(period) / 1000000, base_period_ / 1000000);
if (ktime_to_ns(period) > (unsigned long)5E9L)
{
- printk(KERN_ERR "Timer period greater than 5s, set it to 1s!\n");
+ //printk(KERN_ERR "Timer period greater than 5s, set it to 1s!\n");
period = ktime_set(0,((unsigned long)1E9L)); //1s
}
}
@@ -80,8 +129,8 @@ enum hrtimer_restart timer_callback(struct hrtimer *timer)
///ret_overrun = hrtimer_forward(timer, kt_now, period);
ret_overrun = hrtimer_forward_now(timer, period);
// comment it when running in VM
- if(ret_overrun > 1)
- printk(KERN_INFO "Timer overrun ! (%d times)\n", ret_overrun);
+ /*if(ret_overrun > 1)
+ printk(KERN_INFO "Timer overrun ! (%d times)\n", ret_overrun);*/
return HRTIMER_RESTART;
}
@@ -89,15 +138,10 @@ enum hrtimer_restart timer_callback(struct hrtimer *timer)
int init_clock_timer(void)
{
stop_ = 0;
- ///hrtimer_init(&my_hrtimer_, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
- tasklet_hrtimer_init(&my_hrtimer_, timer_callback, CLOCK_MONOTONIC/*_RAW*/, HRTIMER_MODE_PINNED/*HRTIMER_MODE_ABS*/);
- ///my_hrtimer_.function = &timer_callback;
-
+ tasklet_hrtimer_init(&my_hrtimer_, timer_callback, CLOCK_MONOTONIC/*_RAW*/, HRTIMER_MODE_ABS /*HRTIMER_MODE_PINNED*/);
//base_period_ = 100 * ((unsigned long)1E6L); // 100 ms
base_period_ = 1333333; // 1.3 ms
set_base_period(base_period_);
-
- //start_clock_timer(); //used when no daemon
return 0;
}
@@ -108,24 +152,14 @@ void kill_clock_timer(void)
int start_clock_timer(void)
{
- ktime_t period = ktime_set(0, base_period_); //100 ms
+ ktime_t period = ktime_set(0, base_period_);
tasklet_hrtimer_start(&my_hrtimer_, period, HRTIMER_MODE_ABS);
-
return 0;
}
void stop_clock_timer(void)
{
-
tasklet_hrtimer_cancel(&my_hrtimer_);
- /*int ret_cancel = 0;
- while(hrtimer_callback_running(&my_hrtimer_))
- ++ret_cancel;
-
- if(hrtimer_active(&my_hrtimer_) != 0)
- ret_cancel = hrtimer_cancel(&my_hrtimer_);
- if (hrtimer_is_queued(&my_hrtimer_) != 0)
- ret_cancel = hrtimer_cancel(&my_hrtimer_);*/
}
void get_clock_time(uint64_t* clock_time)
@@ -145,4 +179,4 @@ void set_base_period(uint64_t base_period)
min_period_allowed = base_period_ / 7;
max_period_allowed = (base_period_ * 10) / 6;
printk(KERN_INFO "Base period set to %lld ns\n", base_period_);
-}
\ No newline at end of file
+}

19
build.sh
View File

@ -11,23 +11,8 @@ TOPDIR=$(pwd)
cd 3rdparty
if [ ! -d ravenna-alsa-lkm.git ]; then
git clone https://bitbucket.org/MergingTechnologies/ravenna-alsa-lkm.git
cd ravenna-alsa-lkm
git checkout 35c708f3747474130790cf508c064360a9589ac8
echo "Apply patches to ravenna-alsa-lkm module ..."
git apply ../patches/ravenna-alsa-lkm-kernel-v5.patch
git apply ../patches/ravenna-alsa-lkm-enable-loopback.patch
git apply ../patches/ravenna-alsa-lkm-fixes.patch
git apply ../patches/ravenna-alsa-lkm-arm-32bit.patch
git apply ../patches/ravenna-alsa-lkm-add-codec-am824.patch
git apply ../patches/ravenna-alsa-lkm-disable-ptp-checksum.patch
git apply ../patches/ravenna-alsa-lkm-independent-playback-capture.patch
git apply ../patches/ravenna-alsa-lkm-direct-pcm-transfer.patch
git apply ../patches/ravenna-alsa-lkm-enable-mono-channels.patch
git apply ../patches/ravenna-alsa-lkm-init-play-capture-buffers.patch
git apply ../patches/ravenna-alsa-fix-playback-rw-mode.patch
echo "Building ravenna-alsa-lkm kernel module ..."
cd driver
git clone --single-branch --branch aes67-daemon https://github.com/bondagit/ravenna-alsa-lkm.git
cd ravenna-alsa-lkm/driver
make
cd ../..
fi