Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/qcom/Kconfig | 4 +
sound/soc/qcom/audioreach/Makefile | 2 +
sound/soc/qcom/audioreach/q6apm-bedai.c | 323 ++++++++++++++++++++++++
3 files changed, 329 insertions(+)
create mode 100644 sound/soc/qcom/audioreach/q6apm-bedai.c
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 4efbf41539c5..eb4446206710 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -106,11 +106,15 @@ config SND_SOC_QDSP6
config SND_SOC_QCOM_APM_DAI
tristate
+config SND_SOC_QCOM_APM_BEDAI
+ tristate
+
config SND_SOC_QCOM_AUDIOREACH
tristate "SoC ALSA audio drives for Qualcomm AUDIOREACH"
depends on QCOM_GPR
select SND_SOC_TOPOLOGY
select SND_SOC_QCOM_APM_DAI
+ select SND_SOC_QCOM_APM_BEDAI
help
Support for AudioReach in QDSP
diff --git a/sound/soc/qcom/audioreach/Makefile b/sound/soc/qcom/audioreach/Makefile
index 7160bddbb1fb..e8651455b206 100644
--- a/sound/soc/qcom/audioreach/Makefile
+++ b/sound/soc/qcom/audioreach/Makefile
@@ -1,8 +1,10 @@
# 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 := q6apm-bedai.o
obj-$(CONFIG_SND_SOC_QCOM_AUDIOREACH) += snd-ar.o
obj-$(CONFIG_SND_SOC_QCOM_APM_DAI) += snd-apm-dai.o
+obj-$(CONFIG_SND_SOC_QCOM_APM_BEDAI) += snd-apm-bedai.o
diff --git a/sound/soc/qcom/audioreach/q6apm-bedai.c b/sound/soc/qcom/audioreach/q6apm-bedai.c
new file mode 100644
index 000000000000..d5d0e1f1bd6c
--- /dev/null
+++ b/sound/soc/qcom/audioreach/q6apm-bedai.c
@@ -0,0 +1,323 @@
+// 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 "audioreach.h"
+#include "q6apm.h"
+
+#define Q6APM_CDC_DMA_RX_DAI(did) { \
+ .playback = { \
+ .stream_name = #did" Playback", \
+ .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_176400, \
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ .channels_min = 1, \
+ .channels_max = 8, \
+ .rate_min = 8000, \
+ .rate_max = 176400, \
+ }, \
+ .name = #did, \
+ .ops = &q6dma_ops, \
+ .id = did, \
+ }
+
+#define Q6APM_CDC_DMA_TX_DAI(did) { \
+ .capture = { \
+ .stream_name = #did" Capture", \
+ .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_176400, \
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ .channels_min = 1, \
+ .channels_max = 8, \
+ .rate_min = 8000, \
+ .rate_max = 176400, \
+ }, \
+ .name = #did, \
+ .ops = &q6dma_ops, \
+ .id = did, \
+ }
+
+#define AUDIOREACH_BE_PCM_BASE 16
+
+struct q6apm_bedai_data {
+ struct q6apm_graph *graph[APM_PORT_MAX];
+ uint16_t bits_per_sample[APM_PORT_MAX];
+ bool is_port_started[APM_PORT_MAX];
+ struct q6apm_port_config port_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 q6apm_cdc_dma_cfg *cfg = &dai_data->port_config[dai->id].dma_cfg;
+ 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 q6apm_cdc_dma_cfg *cfg = &dai_data->port_config[dai->id].dma_cfg;
+
+ cfg->bit_width = params_width(params);
+ cfg->sample_rate = params_rate(params);
+ cfg->num_channels = params_channels(params);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ dai_data->bits_per_sample[dai->id] = 16;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ dai_data->bits_per_sample[dai->id] = 24;
+ break;
+ }
+
+ 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 q6apm_cdc_dma_cfg *cfg = &dai_data->port_config[dai->id].dma_cfg;
+ int graph_id = dai->id;
+ int rc;
+ int ret;
+ 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);
+ ret = PTR_ERR(graph);
+ return ret;
+ }
+ dai_data->graph[graph_id] = graph;
+ }
+
+ rc = q6apm_graph_media_format_pcm(dai_data->graph[dai->id],
+ substream->stream, cfg->sample_rate,
+ cfg->num_channels, NULL, cfg->bit_width);
+
+ rc = q6apm_graph_prepare(dai_data->graph[dai->id]);
+ 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, ret;
+ 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);
+ ret = PTR_ERR(graph);
+ return ret;
+ }
+ dai_data->graph[graph_id] = graph;
+ }
+
+ 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 struct snd_soc_dai_driver q6apm_be_dais[] = {
+ Q6APM_CDC_DMA_RX_DAI(WSA_CODEC_DMA_RX_0),
+ Q6APM_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_0),
+ Q6APM_CDC_DMA_RX_DAI(WSA_CODEC_DMA_RX_1),
+ Q6APM_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_1),
+ Q6APM_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_2),
+ Q6APM_CDC_DMA_TX_DAI(VA_CODEC_DMA_TX_0),
+ Q6APM_CDC_DMA_TX_DAI(VA_CODEC_DMA_TX_1),
+ Q6APM_CDC_DMA_TX_DAI(VA_CODEC_DMA_TX_2),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_0),
+ Q6APM_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_0),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_1),
+ Q6APM_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_1),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_2),
+ Q6APM_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_2),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_3),
+ Q6APM_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_3),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_4),
+ Q6APM_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_4),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_5),
+ Q6APM_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_5),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_6),
+ Q6APM_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_7),
+};
+
+static int q6apm_of_xlate_dai_name(struct snd_soc_component *component,
+ const struct of_phandle_args *args,
+ const char **dai_name)
+{
+ int id = args->args[0];
+ int ret = -EINVAL;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(q6apm_be_dais); i++) {
+ if (q6apm_be_dais[i].id == id) {
+ *dai_name = q6apm_be_dais[i].name;
+ ret = 0;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static const struct snd_soc_component_driver q6apm_bedai_component = {
+ .name = "q6apm-be-dai-component",
+ .of_xlate_dai_name = q6apm_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 q6apm_bedai_data *dai_data;
+ struct device *dev = &pdev->dev;
+
+ dai_data = devm_kzalloc(dev, sizeof(*dai_data), GFP_KERNEL);
+ if (!dai_data)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, dai_data);
+
+ return devm_snd_soc_register_component(dev, &q6apm_bedai_component,
+ q6apm_be_dais,
+ ARRAY_SIZE(q6apm_be_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");
--
2.21.0
