diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 3ac61739312455..bcf8f01e85aae0 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -379,6 +379,39 @@ sof_ipc4_get_input_pin_audio_fmt(struct snd_sof_widget *swidget, int pin_index) return NULL; } +static void +sof_ipc4_evaluate_params_change(struct sof_ipc4_available_audio_format *available_fmt) +{ + struct sof_ipc4_audio_format *fmt; + u32 in_rate, in_channels, in_valid_bits; + u32 out_rate, out_channels, out_valid_bits; + u32 changed_params = 0; + int i, j; + + for (i = 0; i < available_fmt->num_input_formats; i++) { + fmt = &available_fmt->input_pin_fmts[i].audio_fmt; + in_rate = fmt->sampling_frequency; + in_channels = SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(fmt->fmt_cfg); + in_valid_bits = SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(fmt->fmt_cfg); + + for (j = 0; j < available_fmt->num_output_formats; j++) { + fmt = &available_fmt->output_pin_fmts[j].audio_fmt; + out_rate = fmt->sampling_frequency; + out_channels = SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(fmt->fmt_cfg); + out_valid_bits = SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(fmt->fmt_cfg); + + if (in_rate != out_rate) + changed_params |= BIT(SNDRV_PCM_HW_PARAM_RATE); + if (in_channels != out_channels) + changed_params |= BIT(SNDRV_PCM_HW_PARAM_CHANNELS); + if (in_valid_bits != out_valid_bits) + changed_params |= BIT(SNDRV_PCM_HW_PARAM_FORMAT); + } + } + + available_fmt->changed_params = changed_params; +} + /** * sof_ipc4_get_audio_fmt - get available audio formats from swidget->tuples * @scomp: pointer to pointer to SOC component @@ -470,6 +503,8 @@ static int sof_ipc4_get_audio_fmt(struct snd_soc_component *scomp, available_fmt->num_output_formats); } + sof_ipc4_evaluate_params_change(available_fmt); + return 0; err_out: @@ -632,6 +667,9 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget) if (ret) goto free_copier; + /* Copier can only change format */ + available_fmt->changed_params &= BIT(SNDRV_PCM_HW_PARAM_FORMAT); + /* * This callback is used by host copier and module-to-module copier, * and only host copier needs to set gtw_cfg. @@ -756,6 +794,9 @@ static int sof_ipc4_widget_setup_comp_dai(struct snd_sof_widget *swidget) if (ret) goto free_copier; + /* Copier can only change format */ + available_fmt->changed_params &= BIT(SNDRV_PCM_HW_PARAM_FORMAT); + ret = sof_update_ipc_object(scomp, &node_type, SOF_COPIER_TOKENS, swidget->tuples, swidget->num_tuples, sizeof(node_type), 1); @@ -2729,23 +2770,53 @@ static int sof_ipc4_prepare_process_module(struct snd_sof_widget *swidget, if (available_fmt->num_output_formats) { struct sof_ipc4_audio_format *in_fmt; struct sof_ipc4_pin_format *pin_fmt; - u32 out_ref_rate, out_ref_channels; - int out_ref_valid_bits, out_ref_type; + u32 ref_rate, ref_channels; + int ref_valid_bits, ref_type; + /* + * The process module can change parameters and their operation + * depends on the direction: + * Playback: typically they have single output format. This is + * to 'force' the conversion from input to output. + * Use the input format as reference since the single + * format is going to be picked. + * Capture: typically they have multiple output formats to + * convert from dai (input) to FE (output) parameters. + * Use the input format as base and replace the param + * which is changed by the module with the FE parameter + * Reason: we can have module which changes the + * parameters in path, we cannot use the full + * FE param set for the module output lookup. + */ in_fmt = &available_fmt->input_pin_fmts[input_fmt_index].audio_fmt; - out_ref_rate = in_fmt->sampling_frequency; - out_ref_channels = SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(in_fmt->fmt_cfg); - out_ref_valid_bits = SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(in_fmt->fmt_cfg); - out_ref_type = sof_ipc4_fmt_cfg_to_type(in_fmt->fmt_cfg); - + ref_rate = in_fmt->sampling_frequency; + ref_channels = SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(in_fmt->fmt_cfg); + ref_valid_bits = SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(in_fmt->fmt_cfg); + ref_type = sof_ipc4_fmt_cfg_to_type(in_fmt->fmt_cfg); + + if (dir == SNDRV_PCM_STREAM_CAPTURE) { + if (available_fmt->changed_params & BIT(SNDRV_PCM_HW_PARAM_RATE)) + ref_rate = params_rate(fe_params); + if (available_fmt->changed_params & BIT(SNDRV_PCM_HW_PARAM_CHANNELS)) + ref_channels = params_channels(fe_params); + if (available_fmt->changed_params & BIT(SNDRV_PCM_HW_PARAM_FORMAT)) { + ref_valid_bits = sof_ipc4_get_valid_bits(sdev, fe_params); + if (ref_valid_bits < 0) + return ref_valid_bits; + + ref_type = sof_ipc4_get_sample_type(sdev, fe_params); + if (ref_type < 0) + return ref_type; + } + } output_fmt_index = sof_ipc4_init_output_audio_fmt(sdev, swidget, &process->base_config, available_fmt, - out_ref_rate, - out_ref_channels, - out_ref_valid_bits, - out_ref_type); + ref_rate, + ref_channels, + ref_valid_bits, + ref_type); if (output_fmt_index < 0) return output_fmt_index; @@ -2759,9 +2830,7 @@ static int sof_ipc4_prepare_process_module(struct snd_sof_widget *swidget, /* modify the pipeline params with the output format */ ret = sof_ipc4_update_hw_params(sdev, pipeline_params, &process->output_format, - BIT(SNDRV_PCM_HW_PARAM_FORMAT) | - BIT(SNDRV_PCM_HW_PARAM_CHANNELS) | - BIT(SNDRV_PCM_HW_PARAM_RATE)); + available_fmt->changed_params); if (ret) return ret; } diff --git a/sound/soc/sof/ipc4-topology.h b/sound/soc/sof/ipc4-topology.h index dfa1a6c2ffa829..a2d637044e2980 100644 --- a/sound/soc/sof/ipc4-topology.h +++ b/sound/soc/sof/ipc4-topology.h @@ -190,12 +190,15 @@ struct sof_ipc4_pin_format { * @input_pin_fmts: Available input pin formats * @num_input_formats: Number of input pin formats * @num_output_formats: Number of output pin formats + * @changed_params: Mask of changed params by the module instance between it's + * input and output formts (rate, channels, depth) */ struct sof_ipc4_available_audio_format { struct sof_ipc4_pin_format *output_pin_fmts; struct sof_ipc4_pin_format *input_pin_fmts; u32 num_input_formats; u32 num_output_formats; + u32 changed_params; }; /**