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Merge tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

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Pull soundwire updates from Vinod Koul:

 - Support for multiple sections in a BPT stream

 - Align DMA frame with BPT frames

 - Qualcomm support for v3.1.0 controllers

* tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: intel_ace2x: handle multi BPT sections
  soundwire: pass sdw_bpt_section to cdns BPT helpers
  soundwire: introduce BPT section
  soundwire: intel_ace2x: add fake frame to BRA read command
  soundwire: cadence_master: add fake_size parameter to sdw_cdns_prepare_read_dma_buffer
  ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
  soundwire: cadence: export sdw_cdns_bpt_find_bandwidth
  soundwire: cadence_master: set data_per_frame as frame capability
  soundwire: only compute BPT stream in sdw_compute_dp0_port_params
  soundwire: cadence_master: make frame index trace more readable
  soundwire: qcom: adding support for v3.1.0
  dt-bindings: soundwire: qcom: Document v3.1.0 version of IP block
  soundwire: qcom: prepare for v3.x
  soundwire: qcom: deprecate qcom,din/out-ports
  dt-bindings: soundwire: qcom: deprecate qcom,din/out-ports
  soundwire: qcom: remove unused rd_fifo_depth
  of: base: Add of_property_read_u8_index
This commit is contained in:
Linus Torvalds
2025-12-13 16:26:55 +12:00
parent 7f3c8f9191 188d194be2
commit db9c438739
13 changed files with 530 additions and 206 deletions
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13
sound/soc/sof/intel/hda-sdw-bpt.c
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@@ -10,6 +10,7 @@
* Hardware interface for SoundWire BPT support with HDA DMA
*/
#include <linux/lcm.h>
#include <sound/hdaudio_ext.h>
#include <sound/hda-mlink.h>
#include <sound/hda-sdw-bpt.h>
@@ -236,6 +237,18 @@ static int hda_sdw_bpt_dma_disable(struct device *dev, struct hdac_ext_stream *s
return ret;
}
#define FIFO_ALIGNMENT 64
unsigned int hda_sdw_bpt_get_buf_size_alignment(unsigned int dma_bandwidth)
{
unsigned int num_channels = DIV_ROUND_UP(dma_bandwidth, BPT_FREQUENCY * 32);
unsigned int data_block = num_channels * 4;
unsigned int alignment = lcm(data_block, FIFO_ALIGNMENT);
return alignment;
}
EXPORT_SYMBOL_NS(hda_sdw_bpt_get_buf_size_alignment, "SND_SOC_SOF_INTEL_HDA_SDW_BPT");
int hda_sdw_bpt_open(struct device *dev, int link_id, struct hdac_ext_stream **bpt_tx_stream,
struct snd_dma_buffer *dmab_tx_bdl, u32 bpt_tx_num_bytes,
u32 tx_dma_bandwidth, struct hdac_ext_stream **bpt_rx_stream,