From: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com

Two key operations missings are: endpoint presence-check and retrieval of matching endpoint hardware configuration (blob). Add operations for both use cases.

Signed-off-by: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com ---

Changes in v2: - updated newly added declarations in intel-nhlt.h so warning: "no-previous-prototype-for-function" and error: "use-of-undeclared-identifier" are no longer observed when CONFIG_SND_INTEL_NHLT is not enabled

include/sound/intel-nhlt.h | 37 +++++++++++--- sound/hda/intel-nhlt.c | 102 +++++++++++++++++++++++++++++++++++++ 2 files changed, 131 insertions(+), 8 deletions(-)

diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h index b0796225f82e..7a54d3801608 100644 --- a/include/sound/intel-nhlt.h +++ b/include/sound/intel-nhlt.h @@ -10,6 +10,14 @@

#include <linux/acpi.h>

+enum nhlt_link_type { + NHLT_LINK_HDA = 0, + NHLT_LINK_DSP = 1, + NHLT_LINK_DMIC = 2, + NHLT_LINK_SSP = 3, + NHLT_LINK_INVALID +}; + #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT)

struct wav_fmt { @@ -33,14 +41,6 @@ struct wav_fmt_ext { u8 sub_fmt[16]; } __packed;

-enum nhlt_link_type { - NHLT_LINK_HDA = 0, - NHLT_LINK_DSP = 1, - NHLT_LINK_DMIC = 2, - NHLT_LINK_SSP = 3, - NHLT_LINK_INVALID -}; - enum nhlt_device_type { NHLT_DEVICE_BT = 0, NHLT_DEVICE_DMIC = 1, @@ -132,6 +132,12 @@ void intel_nhlt_free(struct acpi_table_nhlt *addr);

int intel_nhlt_get_dmic_geo(struct device *dev, struct acpi_table_nhlt *nhlt);

+bool intel_nhlt_has_endpoint_type(struct acpi_table_nhlt *nhlt, u8 link_type); +struct nhlt_specific_cfg * +intel_nhlt_get_endpoint_blob(struct device *dev, struct acpi_table_nhlt *nhlt, + u32 bus_id, u8 link_type, u8 vbps, u8 bps, + u8 num_ch, u32 rate, u8 dir, u8 dev_type); + #else

struct acpi_table_nhlt; @@ -150,6 +156,21 @@ static inline int intel_nhlt_get_dmic_geo(struct device *dev, { return 0; } + +static inline bool intel_nhlt_has_endpoint_type(struct acpi_table_nhlt *nhlt, + u8 link_type) +{ + return false; +} + +static inline struct nhlt_specific_cfg * +intel_nhlt_get_endpoint_blob(struct device *dev, struct acpi_table_nhlt *nhlt, + u32 bus_id, u8 link_type, u8 vbps, u8 bps, + u8 num_ch, u32 rate, u8 dir, u8 dev_type) +{ + return NULL; +} + #endif

#endif diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c index e6baa7af5c5d..2108be213d4f 100644 --- a/sound/hda/intel-nhlt.c +++ b/sound/hda/intel-nhlt.c @@ -110,3 +110,105 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct acpi_table_nhlt *nhlt) return dmic_geo; } EXPORT_SYMBOL_GPL(intel_nhlt_get_dmic_geo); + +bool intel_nhlt_has_endpoint_type(struct acpi_table_nhlt *nhlt, u8 link_type) +{ + struct nhlt_endpoint *epnt; + int i; + + if (!nhlt) + return false; + + epnt = (struct nhlt_endpoint *)nhlt->desc; + for (i = 0; i < nhlt->endpoint_count; i++) { + if (epnt->linktype == link_type) + return true; + + epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); + } + return false; +} +EXPORT_SYMBOL(intel_nhlt_has_endpoint_type); + +static struct nhlt_specific_cfg * +nhlt_get_specific_cfg(struct device *dev, struct nhlt_fmt *fmt, u8 num_ch, + u32 rate, u8 vbps, u8 bps) +{ + struct nhlt_fmt_cfg *cfg = fmt->fmt_config; + struct wav_fmt *wfmt; + u16 _bps, _vbps; + int i; + + dev_dbg(dev, "Endpoint format count=%d\n", fmt->fmt_count); + + for (i = 0; i < fmt->fmt_count; i++) { + wfmt = &cfg->fmt_ext.fmt; + _bps = wfmt->bits_per_sample; + _vbps = cfg->fmt_ext.sample.valid_bits_per_sample; + + dev_dbg(dev, "Endpoint format: ch=%d fmt=%d/%d rate=%d\n", + wfmt->channels, _vbps, _bps, wfmt->samples_per_sec); + + if (wfmt->channels == num_ch && wfmt->samples_per_sec == rate && + vbps == _vbps && bps == _bps) + return &cfg->config; + + cfg = (struct nhlt_fmt_cfg *)(cfg->config.caps + cfg->config.size); + } + + return NULL; +} + +static bool nhlt_check_ep_match(struct device *dev, struct nhlt_endpoint *epnt, + u32 bus_id, u8 link_type, u8 dir, u8 dev_type) +{ + dev_dbg(dev, "Endpoint: vbus_id=%d link_type=%d dir=%d dev_type = %d\n", + epnt->virtual_bus_id, epnt->linktype, + epnt->direction, epnt->device_type); + + if ((epnt->virtual_bus_id != bus_id) || + (epnt->linktype != link_type) || + (epnt->direction != dir)) + return false; + + /* link of type DMIC bypasses device_type check */ + return epnt->linktype == NHLT_LINK_DMIC || + epnt->device_type == dev_type; +} + +struct nhlt_specific_cfg * +intel_nhlt_get_endpoint_blob(struct device *dev, struct acpi_table_nhlt *nhlt, + u32 bus_id, u8 link_type, u8 vbps, u8 bps, + u8 num_ch, u32 rate, u8 dir, u8 dev_type) +{ + struct nhlt_specific_cfg *cfg; + struct nhlt_endpoint *epnt; + struct nhlt_fmt *fmt; + int i; + + if (!nhlt) + return NULL; + + dev_dbg(dev, "Looking for configuration:\n"); + dev_dbg(dev, " vbus_id=%d link_type=%d dir=%d, dev_type=%d\n", + bus_id, link_type, dir, dev_type); + dev_dbg(dev, " ch=%d fmt=%d/%d rate=%d\n", num_ch, vbps, bps, rate); + dev_dbg(dev, "Endpoint count=%d\n", nhlt->endpoint_count); + + epnt = (struct nhlt_endpoint *)nhlt->desc; + + for (i = 0; i < nhlt->endpoint_count; i++) { + if (nhlt_check_ep_match(dev, epnt, bus_id, link_type, dir, dev_type)) { + fmt = (struct nhlt_fmt *)(epnt->config.caps + epnt->config.size); + + cfg = nhlt_get_specific_cfg(dev, fmt, num_ch, rate, vbps, bps); + if (cfg) + return cfg; + } + + epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); + } + + return NULL; +} +EXPORT_SYMBOL(intel_nhlt_get_endpoint_blob);

From: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com

With NHLT enriched with new search functions, remove local code in favour of them. This also fixes broken behaviour: search should be based on significant bits count rather than container size.

Signed-off-by: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com Acked-by: Mark Brown broonie@kernel.org --- sound/soc/intel/skylake/skl-nhlt.c | 102 ------------------------- sound/soc/intel/skylake/skl-pcm.c | 3 + sound/soc/intel/skylake/skl-topology.c | 29 ++++--- sound/soc/intel/skylake/skl-topology.h | 1 + sound/soc/intel/skylake/skl.h | 4 - 5 files changed, 21 insertions(+), 118 deletions(-)

diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c index 3033c1bf279f..16f70554b2a0 100644 --- a/sound/soc/intel/skylake/skl-nhlt.c +++ b/sound/soc/intel/skylake/skl-nhlt.c @@ -13,108 +13,6 @@ #include "skl.h" #include "skl-i2s.h"

-static struct nhlt_specific_cfg *skl_get_specific_cfg( - struct device *dev, struct nhlt_fmt *fmt, - u8 no_ch, u32 rate, u16 bps, u8 linktype) -{ - struct nhlt_specific_cfg *sp_config; - struct wav_fmt *wfmt; - struct nhlt_fmt_cfg *fmt_config = fmt->fmt_config; - int i; - - dev_dbg(dev, "Format count =%d\n", fmt->fmt_count); - - for (i = 0; i < fmt->fmt_count; i++) { - wfmt = &fmt_config->fmt_ext.fmt; - dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", wfmt->channels, - wfmt->bits_per_sample, wfmt->samples_per_sec); - if (wfmt->channels == no_ch && wfmt->bits_per_sample == bps) { - /* - * if link type is dmic ignore rate check as the blob is - * generic for all rates - */ - sp_config = &fmt_config->config; - if (linktype == NHLT_LINK_DMIC) - return sp_config; - - if (wfmt->samples_per_sec == rate) - return sp_config; - } - - fmt_config = (struct nhlt_fmt_cfg *)(fmt_config->config.caps + - fmt_config->config.size); - } - - return NULL; -} - -static void dump_config(struct device *dev, u32 instance_id, u8 linktype, - u8 s_fmt, u8 num_channels, u32 s_rate, u8 dirn, u16 bps) -{ - dev_dbg(dev, "Input configuration\n"); - dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", num_channels, s_fmt, s_rate); - dev_dbg(dev, "vbus_id=%d link_type=%d\n", instance_id, linktype); - dev_dbg(dev, "bits_per_sample=%d\n", bps); -} - -static bool skl_check_ep_match(struct device *dev, struct nhlt_endpoint *epnt, - u32 instance_id, u8 link_type, u8 dirn, u8 dev_type) -{ - dev_dbg(dev, "vbus_id=%d link_type=%d dir=%d dev_type = %d\n", - epnt->virtual_bus_id, epnt->linktype, - epnt->direction, epnt->device_type); - - if ((epnt->virtual_bus_id == instance_id) && - (epnt->linktype == link_type) && - (epnt->direction == dirn)) { - /* do not check dev_type for DMIC link type */ - if (epnt->linktype == NHLT_LINK_DMIC) - return true; - - if (epnt->device_type == dev_type) - return true; - } - - return false; -} - -struct nhlt_specific_cfg -*skl_get_ep_blob(struct skl_dev *skl, u32 instance, u8 link_type, - u8 s_fmt, u8 num_ch, u32 s_rate, - u8 dirn, u8 dev_type) -{ - struct nhlt_fmt *fmt; - struct nhlt_endpoint *epnt; - struct hdac_bus *bus = skl_to_bus(skl); - struct device *dev = bus->dev; - struct nhlt_specific_cfg *sp_config; - struct acpi_table_nhlt *nhlt = skl->nhlt; - u16 bps = (s_fmt == 16) ? 16 : 32; - u8 j; - - dump_config(dev, instance, link_type, s_fmt, num_ch, s_rate, dirn, bps); - - epnt = (struct nhlt_endpoint *)nhlt->desc; - - dev_dbg(dev, "endpoint count =%d\n", nhlt->endpoint_count); - - for (j = 0; j < nhlt->endpoint_count; j++) { - if (skl_check_ep_match(dev, epnt, instance, link_type, - dirn, dev_type)) { - fmt = (struct nhlt_fmt *)(epnt->config.caps + - epnt->config.size); - sp_config = skl_get_specific_cfg(dev, fmt, num_ch, - s_rate, bps, link_type); - if (sp_config) - return sp_config; - } - - epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); - } - - return NULL; -} - static void skl_nhlt_trim_space(char *trim) { char *s = trim; diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index 9ecaf6a1e847..34908af50046 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -317,6 +317,7 @@ static int skl_pcm_hw_params(struct snd_pcm_substream *substream, dev_dbg(dai->dev, "dma_id=%d\n", dma_id);

p_params.s_fmt = snd_pcm_format_width(params_format(params)); + p_params.s_cont = snd_pcm_format_physical_width(params_format(params)); p_params.ch = params_channels(params); p_params.s_freq = params_rate(params); p_params.host_dma_id = dma_id; @@ -405,6 +406,7 @@ static int skl_be_hw_params(struct snd_pcm_substream *substream, struct skl_pipe_params p_params = {0};

p_params.s_fmt = snd_pcm_format_width(params_format(params)); + p_params.s_cont = snd_pcm_format_physical_width(params_format(params)); p_params.ch = params_channels(params); p_params.s_freq = params_rate(params); p_params.stream = substream->stream; @@ -569,6 +571,7 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream, snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);

p_params.s_fmt = snd_pcm_format_width(params_format(params)); + p_params.s_cont = snd_pcm_format_physical_width(params_format(params)); p_params.ch = params_channels(params); p_params.s_freq = params_rate(params); p_params.stream = substream->stream; diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 89e4231304dd..9bdf020a2b64 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -285,7 +285,7 @@ static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, { struct skl_module_cfg *m_cfg = w->priv; int link_type, dir; - u32 ch, s_freq, s_fmt; + u32 ch, s_freq, s_fmt, s_cont; struct nhlt_specific_cfg *cfg; u8 dev_type = skl_tplg_be_dev_type(m_cfg->dev_type); int fmt_idx = m_cfg->fmt_idx; @@ -301,7 +301,8 @@ static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, link_type = NHLT_LINK_DMIC; dir = SNDRV_PCM_STREAM_CAPTURE; s_freq = m_iface->inputs[0].fmt.s_freq; - s_fmt = m_iface->inputs[0].fmt.bit_depth; + s_fmt = m_iface->inputs[0].fmt.valid_bit_depth; + s_cont = m_iface->inputs[0].fmt.bit_depth; ch = m_iface->inputs[0].fmt.channels; break;

@@ -310,12 +311,14 @@ static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, if (m_cfg->hw_conn_type == SKL_CONN_SOURCE) { dir = SNDRV_PCM_STREAM_PLAYBACK; s_freq = m_iface->outputs[0].fmt.s_freq; - s_fmt = m_iface->outputs[0].fmt.bit_depth; + s_fmt = m_iface->outputs[0].fmt.valid_bit_depth; + s_cont = m_iface->outputs[0].fmt.bit_depth; ch = m_iface->outputs[0].fmt.channels; } else { dir = SNDRV_PCM_STREAM_CAPTURE; s_freq = m_iface->inputs[0].fmt.s_freq; - s_fmt = m_iface->inputs[0].fmt.bit_depth; + s_fmt = m_iface->inputs[0].fmt.valid_bit_depth; + s_cont = m_iface->inputs[0].fmt.bit_depth; ch = m_iface->inputs[0].fmt.channels; } break; @@ -325,16 +328,17 @@ static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, }

/* update the blob based on virtual bus_id and default params */ - cfg = skl_get_ep_blob(skl, m_cfg->vbus_id, link_type, - s_fmt, ch, s_freq, dir, dev_type); + cfg = intel_nhlt_get_endpoint_blob(skl->dev, skl->nhlt, m_cfg->vbus_id, + link_type, s_fmt, s_cont, ch, + s_freq, dir, dev_type); if (cfg) { m_cfg->formats_config[SKL_PARAM_INIT].caps_size = cfg->size; m_cfg->formats_config[SKL_PARAM_INIT].caps = (u32 *)&cfg->caps; } else { dev_err(skl->dev, "Blob NULL for id %x type %d dirn %d\n", m_cfg->vbus_id, link_type, dir); - dev_err(skl->dev, "PCM: ch %d, freq %d, fmt %d\n", - ch, s_freq, s_fmt); + dev_err(skl->dev, "PCM: ch %d, freq %d, fmt %d/%d\n", + ch, s_freq, s_fmt, s_cont); return -EIO; }

@@ -1849,10 +1853,11 @@ static int skl_tplg_be_fill_pipe_params(struct snd_soc_dai *dai, pipe_fmt = &pipe->configs[pipe->pipe_config_idx].in_fmt;

/* update the blob based on virtual bus_id*/ - cfg = skl_get_ep_blob(skl, mconfig->vbus_id, link_type, - pipe_fmt->bps, pipe_fmt->channels, - pipe_fmt->freq, pipe->direction, - dev_type); + cfg = intel_nhlt_get_endpoint_blob(dai->dev, skl->nhlt, + mconfig->vbus_id, link_type, + pipe_fmt->bps, params->s_cont, + pipe_fmt->channels, pipe_fmt->freq, + pipe->direction, dev_type); if (cfg) { mconfig->formats_config[SKL_PARAM_INIT].caps_size = cfg->size; mconfig->formats_config[SKL_PARAM_INIT].caps = (u32 *)&cfg->caps; diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h index f0695b2ac5dd..22963634fbea 100644 --- a/sound/soc/intel/skylake/skl-topology.h +++ b/sound/soc/intel/skylake/skl-topology.h @@ -284,6 +284,7 @@ struct skl_pipe_params { u32 ch; u32 s_freq; u32 s_fmt; + u32 s_cont; u8 linktype; snd_pcm_format_t format; int link_index; diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h index 37195aafbf27..3b92dfc23731 100644 --- a/sound/soc/intel/skylake/skl.h +++ b/sound/soc/intel/skylake/skl.h @@ -165,10 +165,6 @@ struct skl_dsp_ops { int skl_platform_unregister(struct device *dev); int skl_platform_register(struct device *dev);

-struct nhlt_specific_cfg *skl_get_ep_blob(struct skl_dev *skl, u32 instance, - u8 link_type, u8 s_fmt, u8 num_ch, - u32 s_rate, u8 dirn, u8 dev_type); - int skl_nhlt_update_topology_bin(struct skl_dev *skl); int skl_init_dsp(struct skl_dev *skl); int skl_free_dsp(struct skl_dev *skl);