Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/Kconfig | 4 + sound/soc/qcom/qdsp6/Makefile | 2 + sound/soc/qcom/qdsp6/q6apm-bedai.c | 266 +++++++++++++++++++++++++++++ 3 files changed, 272 insertions(+) create mode 100644 sound/soc/qcom/qdsp6/q6apm-bedai.c
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 4f0fbf2032cc..a2540a28b482 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -106,11 +106,15 @@ config SND_SOC_QDSP6 config SND_SOC_QDSP6_APM_DAI tristate
+config SND_SOC_QDSP6_APM_BEDAI + tristate + config SND_SOC_QDSP6_AUDIOREACH tristate "SoC ALSA audio drives for Qualcomm QDSP AUDIOREACH Framework" depends on QCOM_GPR select SND_SOC_TOPOLOGY select SND_SOC_QDSP6_APM_DAI + select SND_SOC_QDSP6_APM_BEDAI help To add support for Qualcomm QDSP6 AudioReach Audio Framework. This will enable sound soc platform specific audio drivers. diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile index 3e93911d04fa..d62f85b3f18a 100644 --- a/sound/soc/qcom/qdsp6/Makefile +++ b/sound/soc/qcom/qdsp6/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only snd-ar-objs := audioreach.o q6apm.o topology.o snd-apm-dai-objs := q6apm-dai.o +snd-apm-bedai-objs := q6dsp-audio-ports.o q6apm-bedai.o
snd-afe-dai-objs += q6dsp-audio-ports.o q6afe-dai.o snd-afe-clks-objs := q6dsp-audio-clocks.o q6afe-clocks.o @@ -17,3 +18,4 @@ obj-$(CONFIG_SND_SOC_QDSP6_ASM_DAI) += q6asm-dai.o
obj-$(CONFIG_SND_SOC_QDSP6_AUDIOREACH) += snd-ar.o obj-$(CONFIG_SND_SOC_QDSP6_APM_DAI) += snd-apm-dai.o +obj-$(CONFIG_SND_SOC_QDSP6_APM_BEDAI) += snd-apm-bedai.o diff --git a/sound/soc/qcom/qdsp6/q6apm-bedai.c b/sound/soc/qcom/qdsp6/q6apm-bedai.c new file mode 100644 index 000000000000..ac72c0eb73db --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6apm-bedai.c @@ -0,0 +1,266 @@ +// 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-audio-ports.h" +#include "audioreach.h" +#include "q6apm.h" + +#define AUDIOREACH_BE_PCM_BASE 16 + +struct q6apm_bedai_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_bedai_data *dai_data = dev_get_drvdata(dai->dev); + struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; + int ch_mask; + int rc = 0; + + 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 > 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 rc; +} + +static int q6dma_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct q6apm_bedai_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_bedai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct q6apm_bedai_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_bedai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct q6apm_bedai_data *dai_data = dev_get_drvdata(dai->dev); + struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; + int graph_id = dai->id; + int rc; + struct q6apm_graph *graph; + + 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_bedai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct q6apm_bedai_data *dai_data = dev_get_drvdata(dai->dev); + int graph_id = dai->id; + struct q6apm_graph *graph; + + 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_bedai_data *dai_data = dev_get_drvdata(dai->dev); + struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; + + cfg->fmt = fmt; + + return 0; +} + +static const struct snd_soc_dai_ops q6dma_ops = { + .prepare = q6apm_bedai_prepare, + .startup = q6apm_bedai_startup, + .shutdown = q6apm_bedai_shutdown, + .set_channel_map = q6dma_set_channel_map, + .hw_params = q6dma_hw_params, +}; + +static const struct snd_soc_dai_ops q6i2s_ops = { + .prepare = q6apm_bedai_prepare, + .startup = q6apm_bedai_startup, + .shutdown = q6apm_bedai_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_bedai_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_bedai_dev_probe(struct platform_device *pdev) +{ + struct q6dsp_audio_port_dai_driver_config cfg; + struct snd_soc_dai_driver *dais; + struct q6apm_bedai_data *dai_data; + 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_bedai_component, + dais, num_dais); +} + +#ifdef CONFIG_OF +static const struct of_device_id q6apm_bedai_device_id[] = { + { .compatible = "qcom,q6apm-bedais" }, + {}, +}; +MODULE_DEVICE_TABLE(of, q6apm_bedai_device_id); +#endif + +static struct platform_driver q6apm_bedai_platform_driver = { + .driver = { + .name = "q6apm-bedai", + .of_match_table = of_match_ptr(q6apm_bedai_device_id), + }, + .probe = q6apm_bedai_dev_probe, +}; +module_platform_driver(q6apm_bedai_platform_driver); + +MODULE_DESCRIPTION("AUDIOREACH Audio BackEnd dai driver"); +MODULE_LICENSE("GPL");