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ASoC: qdsp6: audioreach: add q6apm lpass dai support
Add support to Audio port dais on LPASS Audio IP using existing common q6dsp-lpass-ports. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20211026111655.1702-16-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,260 @@ | ||
| // SPDX-License-Identifier: GPL-2.0 | ||
| // Copyright (c) 2021, Linaro Limited | ||
|
|
||
| #include <linux/err.h> | ||
| #include <linux/init.h> | ||
| #include <linux/module.h> | ||
| #include <linux/device.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/slab.h> | ||
| #include <sound/pcm.h> | ||
| #include <sound/soc.h> | ||
| #include <sound/pcm_params.h> | ||
| #include "q6dsp-lpass-ports.h" | ||
| #include "audioreach.h" | ||
| #include "q6apm.h" | ||
|
|
||
| #define AUDIOREACH_BE_PCM_BASE 16 | ||
|
|
||
| struct q6apm_lpass_dai_data { | ||
| struct q6apm_graph *graph[APM_PORT_MAX]; | ||
| bool is_port_started[APM_PORT_MAX]; | ||
| struct audioreach_module_config module_config[APM_PORT_MAX]; | ||
| }; | ||
|
|
||
| static int q6dma_set_channel_map(struct snd_soc_dai *dai, | ||
| unsigned int tx_num, unsigned int *tx_ch_mask, | ||
| unsigned int rx_num, unsigned int *rx_ch_mask) | ||
| { | ||
|
|
||
| struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); | ||
| struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; | ||
| int ch_mask; | ||
|
|
||
| switch (dai->id) { | ||
| case WSA_CODEC_DMA_TX_0: | ||
| case WSA_CODEC_DMA_TX_1: | ||
| case WSA_CODEC_DMA_TX_2: | ||
| case VA_CODEC_DMA_TX_0: | ||
| case VA_CODEC_DMA_TX_1: | ||
| case VA_CODEC_DMA_TX_2: | ||
| case TX_CODEC_DMA_TX_0: | ||
| case TX_CODEC_DMA_TX_1: | ||
| case TX_CODEC_DMA_TX_2: | ||
| case TX_CODEC_DMA_TX_3: | ||
| case TX_CODEC_DMA_TX_4: | ||
| case TX_CODEC_DMA_TX_5: | ||
| if (!tx_ch_mask) { | ||
| dev_err(dai->dev, "tx slot not found\n"); | ||
| return -EINVAL; | ||
| } | ||
|
|
||
| if (tx_num > AR_PCM_MAX_NUM_CHANNEL) { | ||
| dev_err(dai->dev, "invalid tx num %d\n", | ||
| tx_num); | ||
| return -EINVAL; | ||
| } | ||
| ch_mask = *tx_ch_mask; | ||
|
|
||
| break; | ||
| case WSA_CODEC_DMA_RX_0: | ||
| case WSA_CODEC_DMA_RX_1: | ||
| case RX_CODEC_DMA_RX_0: | ||
| case RX_CODEC_DMA_RX_1: | ||
| case RX_CODEC_DMA_RX_2: | ||
| case RX_CODEC_DMA_RX_3: | ||
| case RX_CODEC_DMA_RX_4: | ||
| case RX_CODEC_DMA_RX_5: | ||
| case RX_CODEC_DMA_RX_6: | ||
| case RX_CODEC_DMA_RX_7: | ||
| /* rx */ | ||
| if (!rx_ch_mask) { | ||
| dev_err(dai->dev, "rx slot not found\n"); | ||
| return -EINVAL; | ||
| } | ||
| if (rx_num > APM_PORT_MAX_AUDIO_CHAN_CNT) { | ||
| dev_err(dai->dev, "invalid rx num %d\n", | ||
| rx_num); | ||
| return -EINVAL; | ||
| } | ||
| ch_mask = *rx_ch_mask; | ||
|
|
||
| break; | ||
| default: | ||
| dev_err(dai->dev, "%s: invalid dai id 0x%x\n", | ||
| __func__, dai->id); | ||
| return -EINVAL; | ||
| } | ||
|
|
||
| cfg->active_channels_mask = ch_mask; | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static int q6dma_hw_params(struct snd_pcm_substream *substream, | ||
| struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) | ||
| { | ||
| struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); | ||
| struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; | ||
|
|
||
| cfg->bit_width = params_width(params); | ||
| cfg->sample_rate = params_rate(params); | ||
| cfg->num_channels = params_channels(params); | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static void q6apm_lpass_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) | ||
| { | ||
| struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); | ||
| int rc; | ||
|
|
||
| if (!dai_data->is_port_started[dai->id]) | ||
| return; | ||
| rc = q6apm_graph_stop(dai_data->graph[dai->id]); | ||
| if (rc < 0) | ||
| dev_err(dai->dev, "fail to close APM port (%d)\n", rc); | ||
|
|
||
| q6apm_graph_close(dai_data->graph[dai->id]); | ||
| dai_data->is_port_started[dai->id] = false; | ||
| } | ||
|
|
||
| static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) | ||
| { | ||
| struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); | ||
| struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; | ||
| struct q6apm_graph *graph; | ||
| int graph_id = dai->id; | ||
| int rc; | ||
|
|
||
| /** | ||
| * It is recommend to load DSP with source graph first and then sink | ||
| * graph, so sequence for playback and capture will be different | ||
| */ | ||
| if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | ||
| graph = q6apm_graph_open(dai->dev, NULL, dai->dev, graph_id); | ||
| if (IS_ERR(graph)) { | ||
| dev_err(dai->dev, "Failed to open graph (%d)\n", graph_id); | ||
| rc = PTR_ERR(graph); | ||
| return rc; | ||
| } | ||
| dai_data->graph[graph_id] = graph; | ||
| } | ||
|
|
||
| cfg->direction = substream->stream; | ||
| rc = q6apm_graph_media_format_pcm(dai_data->graph[dai->id], cfg); | ||
|
|
||
| if (rc) { | ||
| dev_err(dai->dev, "Failed to set media format %d\n", rc); | ||
| return rc; | ||
| } | ||
|
|
||
| rc = q6apm_graph_prepare(dai_data->graph[dai->id]); | ||
| if (rc) { | ||
| dev_err(dai->dev, "Failed to prepare Graph %d\n", rc); | ||
| return rc; | ||
| } | ||
|
|
||
| rc = q6apm_graph_start(dai_data->graph[dai->id]); | ||
| if (rc < 0) { | ||
| dev_err(dai->dev, "fail to start APM port %x\n", dai->id); | ||
| return rc; | ||
| } | ||
| dai_data->is_port_started[dai->id] = true; | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static int q6apm_lpass_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) | ||
| { | ||
| struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); | ||
| struct q6apm_graph *graph; | ||
| int graph_id = dai->id; | ||
|
|
||
| if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { | ||
| graph = q6apm_graph_open(dai->dev, NULL, dai->dev, graph_id); | ||
| if (IS_ERR(graph)) { | ||
| dev_err(dai->dev, "Failed to open graph (%d)\n", graph_id); | ||
| return PTR_ERR(graph); | ||
| } | ||
| dai_data->graph[graph_id] = graph; | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static int q6i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | ||
| { | ||
| struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); | ||
| struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; | ||
|
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| cfg->fmt = fmt; | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static const struct snd_soc_dai_ops q6dma_ops = { | ||
| .prepare = q6apm_lpass_dai_prepare, | ||
| .startup = q6apm_lpass_dai_startup, | ||
| .shutdown = q6apm_lpass_dai_shutdown, | ||
| .set_channel_map = q6dma_set_channel_map, | ||
| .hw_params = q6dma_hw_params, | ||
| }; | ||
|
|
||
| static const struct snd_soc_dai_ops q6i2s_ops = { | ||
| .prepare = q6apm_lpass_dai_prepare, | ||
| .startup = q6apm_lpass_dai_startup, | ||
| .shutdown = q6apm_lpass_dai_shutdown, | ||
| .set_channel_map = q6dma_set_channel_map, | ||
| .hw_params = q6dma_hw_params, | ||
| .set_fmt = q6i2s_set_fmt, | ||
| }; | ||
|
|
||
| static const struct snd_soc_component_driver q6apm_lpass_dai_component = { | ||
| .name = "q6apm-be-dai-component", | ||
| .of_xlate_dai_name = q6dsp_audio_ports_of_xlate_dai_name, | ||
| .be_pcm_base = AUDIOREACH_BE_PCM_BASE, | ||
| .use_dai_pcm_id = true, | ||
| }; | ||
|
|
||
| static int q6apm_lpass_dai_dev_probe(struct platform_device *pdev) | ||
| { | ||
| struct q6dsp_audio_port_dai_driver_config cfg; | ||
| struct q6apm_lpass_dai_data *dai_data; | ||
| struct snd_soc_dai_driver *dais; | ||
| struct device *dev = &pdev->dev; | ||
| int num_dais; | ||
|
|
||
| dai_data = devm_kzalloc(dev, sizeof(*dai_data), GFP_KERNEL); | ||
| if (!dai_data) | ||
| return -ENOMEM; | ||
|
|
||
| dev_set_drvdata(dev, dai_data); | ||
|
|
||
| memset(&cfg, 0, sizeof(cfg)); | ||
| cfg.q6i2s_ops = &q6i2s_ops; | ||
| cfg.q6dma_ops = &q6dma_ops; | ||
| dais = q6dsp_audio_ports_set_config(dev, &cfg, &num_dais); | ||
|
|
||
| return devm_snd_soc_register_component(dev, &q6apm_lpass_dai_component, dais, num_dais); | ||
| } | ||
|
|
||
| #ifdef CONFIG_OF | ||
| static const struct of_device_id q6apm_lpass_dai_device_id[] = { | ||
| { .compatible = "qcom,q6apm-lpass-dais" }, | ||
| {}, | ||
| }; | ||
| MODULE_DEVICE_TABLE(of, q6apm_lpass_dai_device_id); | ||
| #endif | ||
|
|
||
| static struct platform_driver q6apm_lpass_dai_platform_driver = { | ||
| .driver = { | ||
| .name = "q6apm-lpass-dais", | ||
| .of_match_table = of_match_ptr(q6apm_lpass_dai_device_id), | ||
| }, | ||
| .probe = q6apm_lpass_dai_dev_probe, | ||
| }; | ||
| module_platform_driver(q6apm_lpass_dai_platform_driver); | ||
|
|
||
| MODULE_DESCRIPTION("AUDIOREACH APM LPASS dai driver"); | ||
| MODULE_LICENSE("GPL"); |