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ASoC: Intel: sst - add compressed ops handling
This patch add low level IPC handling for compressed stream operations Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vinod Koul
Mark Brown
parent
fdcc4a039f
commit
7adab122a5
@ -172,6 +172,273 @@ static int sst_open_pcm_stream(struct device *dev,
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return retval;
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}
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static int sst_cdev_open(struct device *dev,
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struct snd_sst_params *str_params, struct sst_compress_cb *cb)
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{
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int str_id, retval;
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struct stream_info *stream;
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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retval = pm_runtime_get_sync(ctx->dev);
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if (retval < 0)
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return retval;
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str_id = sst_get_stream(ctx, str_params);
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if (str_id > 0) {
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dev_dbg(dev, "stream allocated in sst_cdev_open %d\n", str_id);
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stream = &ctx->streams[str_id];
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stream->compr_cb = cb->compr_cb;
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stream->compr_cb_param = cb->param;
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stream->drain_notify = cb->drain_notify;
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stream->drain_cb_param = cb->drain_cb_param;
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} else {
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dev_err(dev, "stream encountered error during alloc %d\n", str_id);
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str_id = -EINVAL;
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sst_pm_runtime_put(ctx);
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}
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return str_id;
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}
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static int sst_cdev_close(struct device *dev, unsigned int str_id)
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{
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int retval;
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struct stream_info *stream;
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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stream = get_stream_info(ctx, str_id);
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if (!stream) {
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dev_err(dev, "stream info is NULL for str %d!!!\n", str_id);
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return -EINVAL;
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}
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if (stream->status == STREAM_RESET) {
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dev_dbg(dev, "stream in reset state...\n");
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stream->status = STREAM_UN_INIT;
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retval = 0;
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goto put;
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}
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retval = sst_free_stream(ctx, str_id);
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put:
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stream->compr_cb_param = NULL;
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stream->compr_cb = NULL;
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if (retval)
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dev_err(dev, "free stream returned err %d\n", retval);
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dev_dbg(dev, "End\n");
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return retval;
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}
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static int sst_cdev_ack(struct device *dev, unsigned int str_id,
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unsigned long bytes)
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{
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struct stream_info *stream;
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struct snd_sst_tstamp fw_tstamp = {0,};
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int offset;
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void __iomem *addr;
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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stream = get_stream_info(ctx, str_id);
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if (!stream)
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return -EINVAL;
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/* update bytes sent */
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stream->cumm_bytes += bytes;
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dev_dbg(dev, "bytes copied %d inc by %ld\n", stream->cumm_bytes, bytes);
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memcpy_fromio(&fw_tstamp,
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((void *)(ctx->mailbox + ctx->tstamp)
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+(str_id * sizeof(fw_tstamp))),
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sizeof(fw_tstamp));
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fw_tstamp.bytes_copied = stream->cumm_bytes;
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dev_dbg(dev, "bytes sent to fw %llu inc by %ld\n",
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fw_tstamp.bytes_copied, bytes);
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addr = ((void *)(ctx->mailbox + ctx->tstamp)) +
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(str_id * sizeof(fw_tstamp));
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offset = offsetof(struct snd_sst_tstamp, bytes_copied);
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sst_shim_write(addr, offset, fw_tstamp.bytes_copied);
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return 0;
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}
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static int sst_cdev_set_metadata(struct device *dev,
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unsigned int str_id, struct snd_compr_metadata *metadata)
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{
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int retval = 0;
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struct stream_info *str_info;
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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dev_dbg(dev, "set metadata for stream %d\n", str_id);
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str_info = get_stream_info(ctx, str_id);
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if (!str_info)
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return -EINVAL;
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dev_dbg(dev, "pipe id = %d\n", str_info->pipe_id);
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retval = sst_prepare_and_post_msg(ctx, str_info->task_id, IPC_CMD,
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IPC_IA_SET_STREAM_PARAMS_MRFLD, str_info->pipe_id,
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sizeof(*metadata), metadata, NULL,
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true, true, true, false);
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return retval;
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}
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static int sst_cdev_stream_pause(struct device *dev, unsigned int str_id)
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{
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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return sst_pause_stream(ctx, str_id);
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}
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static int sst_cdev_stream_pause_release(struct device *dev,
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unsigned int str_id)
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{
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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return sst_resume_stream(ctx, str_id);
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}
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static int sst_cdev_stream_start(struct device *dev, unsigned int str_id)
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{
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struct stream_info *str_info;
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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str_info = get_stream_info(ctx, str_id);
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if (!str_info)
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return -EINVAL;
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str_info->prev = str_info->status;
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str_info->status = STREAM_RUNNING;
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return sst_start_stream(ctx, str_id);
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}
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static int sst_cdev_stream_drop(struct device *dev, unsigned int str_id)
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{
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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return sst_drop_stream(ctx, str_id);
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}
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static int sst_cdev_stream_drain(struct device *dev, unsigned int str_id)
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{
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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return sst_drain_stream(ctx, str_id, false);
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}
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static int sst_cdev_stream_partial_drain(struct device *dev,
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unsigned int str_id)
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{
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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return sst_drain_stream(ctx, str_id, true);
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}
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static int sst_cdev_tstamp(struct device *dev, unsigned int str_id,
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struct snd_compr_tstamp *tstamp)
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{
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struct snd_sst_tstamp fw_tstamp = {0,};
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struct stream_info *stream;
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struct intel_sst_drv *ctx = dev_get_drvdata(dev);
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memcpy_fromio(&fw_tstamp,
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((void *)(ctx->mailbox + ctx->tstamp)
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+(str_id * sizeof(fw_tstamp))),
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sizeof(fw_tstamp));
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stream = get_stream_info(ctx, str_id);
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if (!stream)
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return -EINVAL;
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dev_dbg(dev, "rb_counter %llu in bytes\n", fw_tstamp.ring_buffer_counter);
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tstamp->copied_total = fw_tstamp.ring_buffer_counter;
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tstamp->pcm_frames = fw_tstamp.frames_decoded;
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tstamp->pcm_io_frames = div_u64(fw_tstamp.hardware_counter,
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(u64)((stream->num_ch) * SST_GET_BYTES_PER_SAMPLE(24)));
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tstamp->sampling_rate = fw_tstamp.sampling_frequency;
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dev_dbg(dev, "PCM = %u\n", tstamp->pcm_io_frames);
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dev_dbg(dev, "Ptr Query on strid = %d copied_total %d, decodec %d\n",
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str_id, tstamp->copied_total, tstamp->pcm_frames);
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dev_dbg(dev, "rendered %d\n", tstamp->pcm_io_frames);
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return 0;
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}
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static int sst_cdev_caps(struct snd_compr_caps *caps)
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{
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caps->num_codecs = NUM_CODEC;
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caps->min_fragment_size = MIN_FRAGMENT_SIZE; /* 50KB */
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caps->max_fragment_size = MAX_FRAGMENT_SIZE; /* 1024KB */
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caps->min_fragments = MIN_FRAGMENT;
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caps->max_fragments = MAX_FRAGMENT;
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caps->codecs[0] = SND_AUDIOCODEC_MP3;
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caps->codecs[1] = SND_AUDIOCODEC_AAC;
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return 0;
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}
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static struct snd_compr_codec_caps caps_mp3 = {
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.num_descriptors = 1,
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.descriptor[0].max_ch = 2,
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.descriptor[0].sample_rates[0] = 48000,
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.descriptor[0].sample_rates[1] = 44100,
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.descriptor[0].sample_rates[2] = 32000,
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.descriptor[0].sample_rates[3] = 16000,
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.descriptor[0].sample_rates[4] = 8000,
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.descriptor[0].num_sample_rates = 5,
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.descriptor[0].bit_rate[0] = 320,
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.descriptor[0].bit_rate[1] = 192,
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.descriptor[0].num_bitrates = 2,
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.descriptor[0].profiles = 0,
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.descriptor[0].modes = SND_AUDIOCHANMODE_MP3_STEREO,
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.descriptor[0].formats = 0,
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};
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static struct snd_compr_codec_caps caps_aac = {
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.num_descriptors = 2,
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.descriptor[1].max_ch = 2,
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.descriptor[0].sample_rates[0] = 48000,
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.descriptor[0].sample_rates[1] = 44100,
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.descriptor[0].sample_rates[2] = 32000,
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.descriptor[0].sample_rates[3] = 16000,
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.descriptor[0].sample_rates[4] = 8000,
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.descriptor[0].num_sample_rates = 5,
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.descriptor[1].bit_rate[0] = 320,
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.descriptor[1].bit_rate[1] = 192,
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.descriptor[1].num_bitrates = 2,
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.descriptor[1].profiles = 0,
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.descriptor[1].modes = 0,
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.descriptor[1].formats =
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(SND_AUDIOSTREAMFORMAT_MP4ADTS |
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SND_AUDIOSTREAMFORMAT_RAW),
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};
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static int sst_cdev_codec_caps(struct snd_compr_codec_caps *codec)
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{
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if (codec->codec == SND_AUDIOCODEC_MP3)
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*codec = caps_mp3;
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else if (codec->codec == SND_AUDIOCODEC_AAC)
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*codec = caps_aac;
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else
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return -EINVAL;
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return 0;
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}
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void sst_cdev_fragment_elapsed(struct intel_sst_drv *ctx, int str_id)
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{
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struct stream_info *stream;
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dev_dbg(ctx->dev, "fragment elapsed from firmware for str_id %d\n",
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str_id);
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stream = &ctx->streams[str_id];
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if (stream->compr_cb)
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stream->compr_cb(stream->compr_cb_param);
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}
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/*
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* sst_close_pcm_stream - Close PCM interface
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*
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@ -372,10 +639,28 @@ static struct sst_ops pcm_ops = {
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.power = sst_power_control,
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};
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static struct compress_sst_ops compr_ops = {
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.open = sst_cdev_open,
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.close = sst_cdev_close,
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.stream_pause = sst_cdev_stream_pause,
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.stream_pause_release = sst_cdev_stream_pause_release,
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.stream_start = sst_cdev_stream_start,
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.stream_drop = sst_cdev_stream_drop,
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.stream_drain = sst_cdev_stream_drain,
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.stream_partial_drain = sst_cdev_stream_partial_drain,
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.tstamp = sst_cdev_tstamp,
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.ack = sst_cdev_ack,
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.get_caps = sst_cdev_caps,
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.get_codec_caps = sst_cdev_codec_caps,
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.set_metadata = sst_cdev_set_metadata,
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.power = sst_power_control,
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};
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static struct sst_device sst_dsp_device = {
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.name = "Intel(R) SST LPE",
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.dev = NULL,
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.ops = &pcm_ops,
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.compr_ops = &compr_ops,
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};
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/*
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