From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
This patch adds support to q6afe backend dais driver.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/Kconfig | 4 + sound/soc/qcom/qdsp6/Makefile | 1 + sound/soc/qcom/qdsp6/q6afe-dai.c | 746 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 751 insertions(+) create mode 100644 sound/soc/qcom/qdsp6/q6afe-dai.c
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 7a868a6fac1b..9b630686eb19 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -50,6 +50,9 @@ config SND_SOC_QDSP6_COMMON config SND_SOC_QDSP6_AFE tristate
+config SND_SOC_QDSP6_AFE_DAI + tristate + config SND_SOC_QDSP6_ADM tristate
@@ -67,6 +70,7 @@ config SND_SOC_QDSP6 depends on QCOM_APR && HAS_DMA select SND_SOC_QDSP6_COMMON select SND_SOC_QDSP6_AFE + select SND_SOC_QDSP6_AFE_DAI select SND_SOC_QDSP6_ADM select SND_SOC_QDSP6_ROUTING select SND_SOC_QDSP6_ASM diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile index 6640bceccc18..6a8ae698f22f 100644 --- a/sound/soc/qcom/qdsp6/Makefile +++ b/sound/soc/qcom/qdsp6/Makefile @@ -1,5 +1,6 @@ obj-$(CONFIG_SND_SOC_QDSP6_COMMON) += q6dsp-common.o obj-$(CONFIG_SND_SOC_QDSP6_AFE) += q6afe.o +obj-$(CONFIG_SND_SOC_QDSP6_AFE_DAI) += q6afe-dai.o obj-$(CONFIG_SND_SOC_QDSP6_ADM) += q6adm.o obj-$(CONFIG_SND_SOC_QDSP6_ROUTING) += q6routing.o obj-$(CONFIG_SND_SOC_QDSP6_ASM) += q6asm.o diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c new file mode 100644 index 000000000000..5cb8b59a8cd9 --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6afe-dai.c @@ -0,0 +1,746 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2011-2016, The Linux Foundation +// Copyright (c) 2018, Linaro Limited + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/component.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 "q6afe.h" + +struct q6afe_dai_priv_data { + uint32_t sd_line_mask; +}; + +struct q6afe_dai_data { + struct q6afe_port *port[AFE_PORT_MAX]; + struct q6afe_port_config port_config[AFE_PORT_MAX]; + bool is_port_started[AFE_PORT_MAX]; + struct q6afe_dai_priv_data priv[AFE_PORT_MAX]; +}; + +static int q6slim_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct q6afe_slim_cfg *slim = &dai_data->port_config[dai->id].slim; + + slim->num_channels = params_channels(params); + slim->sample_rate = params_rate(params); + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + case SNDRV_PCM_FORMAT_SPECIAL: + slim->bit_width = 16; + break; + case SNDRV_PCM_FORMAT_S24_LE: + slim->bit_width = 24; + break; + case SNDRV_PCM_FORMAT_S32_LE: + slim->bit_width = 32; + break; + default: + pr_err("%s: format %d\n", + __func__, params_format(params)); + return -EINVAL; + } + + return 0; +} + +static int q6hdmi_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + int channels = params_channels(params); + struct q6afe_hdmi_cfg *hdmi = &dai_data->port_config[dai->id].hdmi; + + hdmi->sample_rate = params_rate(params); + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + hdmi->bit_width = 16; + break; + case SNDRV_PCM_FORMAT_S24_LE: + hdmi->bit_width = 24; + break; + } + + /* HDMI spec CEA-861-E: Table 28 Audio InfoFrame Data Byte 4 */ + switch (channels) { + case 2: + hdmi->channel_allocation = 0; + break; + case 3: + hdmi->channel_allocation = 0x02; + break; + case 4: + hdmi->channel_allocation = 0x06; + break; + case 5: + hdmi->channel_allocation = 0x0A; + break; + case 6: + hdmi->channel_allocation = 0x0B; + break; + case 7: + hdmi->channel_allocation = 0x12; + break; + case 8: + hdmi->channel_allocation = 0x13; + break; + default: + dev_err(dai->dev, "invalid Channels = %u\n", channels); + return -EINVAL; + } + + return 0; +} + +static int q6i2s_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct q6afe_i2s_cfg *i2s = &dai_data->port_config[dai->id].i2s_cfg; + + i2s->sample_rate = params_rate(params); + i2s->bit_width = params_width(params); + i2s->num_channels = params_channels(params); + i2s->sd_line_mask = dai_data->priv[dai->id].sd_line_mask; + + return 0; +} + +static int q6i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct q6afe_i2s_cfg *i2s = &dai_data->port_config[dai->id].i2s_cfg; + + i2s->fmt = fmt; + + return 0; +} + +static void q6afe_dai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + int rc; + + rc = q6afe_port_stop(dai_data->port[dai->id]); + if (rc < 0) + dev_err(dai->dev, "fail to close AFE port (%d)\n", rc); + + dai_data->is_port_started[dai->id] = false; + +} + +static int q6afe_mi2s_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + int rc; + + if (dai_data->is_port_started[dai->id]) { + /* stop the port and restart with new port config */ + rc = q6afe_port_stop(dai_data->port[dai->id]); + if (rc < 0) { + dev_err(dai->dev, "fail to close AFE port (%d)\n", rc); + return rc; + } + } + + rc = q6afe_i2s_port_prepare(dai_data->port[dai->id], + &dai_data->port_config[dai->id].i2s_cfg); + if (rc < 0) { + dev_err(dai->dev, "fail to prepare AFE port %x\n", dai->id); + return rc; + } + + rc = q6afe_port_start(dai_data->port[dai->id]); + if (rc < 0) { + dev_err(dai->dev, "fail to start AFE port %x\n", dai->id); + return rc; + } + dai_data->is_port_started[dai->id] = true; + + return 0; +} + +static int q6afe_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + int rc; + + if (dai_data->is_port_started[dai->id]) { + /* stop the port and restart with new port config */ + rc = q6afe_port_stop(dai_data->port[dai->id]); + if (rc < 0) { + dev_err(dai->dev, "fail to close AFE port (%d)\n", rc); + return rc; + } + } + + if (dai->id == HDMI_RX) + q6afe_hdmi_port_prepare(dai_data->port[dai->id], + &dai_data->port_config[dai->id].hdmi); + else if (dai->id >= SLIMBUS_0_RX && dai->id <= SLIMBUS_6_TX) + q6afe_slim_port_prepare(dai_data->port[dai->id], + &dai_data->port_config[dai->id].slim); + + rc = q6afe_port_start(dai_data->port[dai->id]); + if (rc < 0) { + dev_err(dai->dev, "fail to start AFE port %x\n", dai->id); + return rc; + } + dai_data->is_port_started[dai->id] = true; + + return 0; +} + +static int q6slim_set_channel_map(struct snd_soc_dai *dai, + unsigned int tx_num, unsigned int *tx_slot, + unsigned int rx_num, unsigned int *rx_slot) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct q6afe_port_config *pcfg = &dai_data->port_config[dai->id]; + int i; + + if (!rx_slot) { + pr_err("%s: rx slot not found\n", __func__); + return -EINVAL; + } + + for (i = 0; i < rx_num; i++) { + pcfg->slim.ch_mapping[i] = rx_slot[i]; + pr_debug("%s: find number of channels[%d] ch[%d]\n", + __func__, i, rx_slot[i]); + } + + pcfg->slim.num_channels = rx_num; + + pr_debug("%s: SLIMBUS_%d_RX cnt[%d] ch[%d %d]\n", __func__, + (dai->id - SLIMBUS_0_RX) / 2, rx_num, + pcfg->slim.ch_mapping[0], + pcfg->slim.ch_mapping[1]); + + return 0; +} + +static int q6afe_mi2s_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct q6afe_port *port = dai_data->port[dai->id]; + + switch (clk_id) { + case LPAIF_DIG_CLK: + return q6afe_port_set_sysclk(port, clk_id, 0, 5, freq, dir); + case LPAIF_BIT_CLK: + case LPAIF_OSR_CLK: + return q6afe_port_set_sysclk(port, clk_id, + Q6AFE_LPASS_CLK_SRC_INTERNAL, + Q6AFE_LPASS_CLK_ROOT_DEFAULT, + freq, dir); + } + + return 0; +} + +static const struct snd_soc_dapm_route q6afe_dapm_routes[] = { + {"HDMI Playback", NULL, "HDMI_RX"}, + {"Slimbus1 Playback", NULL, "SLIMBUS_1_RX"}, + {"Slimbus2 Playback", NULL, "SLIMBUS_2_RX"}, + {"Slimbus3 Playback", NULL, "SLIMBUS_3_RX"}, + {"Slimbus4 Playback", NULL, "SLIMBUS_4_RX"}, + {"Slimbus5 Playback", NULL, "SLIMBUS_5_RX"}, + {"Slimbus6 Playback", NULL, "SLIMBUS_6_RX"}, + + {"Primary MI2S Playback", NULL, "PRI_MI2S_RX"}, + {"Secondary MI2S Playback", NULL, "SEC_MI2S_RX"}, + {"Tertiary MI2S Playback", NULL, "TERT_MI2S_RX"}, + {"Quaternary MI2S Playback", NULL, "QUAT_MI2S_RX"}, + + {"TERT_MI2S_TX", NULL, "Tertiary MI2S Capture"}, + {"PRI_MI2S_TX", NULL, "Primary MI2S Capture"}, + {"SEC_MI2S_TX", NULL, "Secondary MI2S Capture"}, + {"QUAT_MI2S_TX", NULL, "Quaternary MI2S Capture"}, +}; + +static struct snd_soc_dai_ops q6hdmi_ops = { + .prepare = q6afe_dai_prepare, + .hw_params = q6hdmi_hw_params, + .shutdown = q6afe_dai_shutdown, +}; + +static struct snd_soc_dai_ops q6i2s_ops = { + .prepare = q6afe_mi2s_prepare, + .hw_params = q6i2s_hw_params, + .set_fmt = q6i2s_set_fmt, + .shutdown = q6afe_dai_shutdown, + .set_sysclk = q6afe_mi2s_set_sysclk, +}; + +static struct snd_soc_dai_ops q6slim_ops = { + .prepare = q6afe_dai_prepare, + .hw_params = q6slim_hw_params, + .shutdown = q6afe_dai_shutdown, + .set_channel_map = q6slim_set_channel_map, +}; + +static int msm_dai_q6_dai_probe(struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct snd_soc_dapm_context *dapm; + struct q6afe_port *port; + + dapm = snd_soc_component_get_dapm(dai->component); + + port = q6afe_port_get_from_id(dai->dev, dai->id); + if (IS_ERR(port)) { + dev_err(dai->dev, "Unable to get afe port\n"); + return -EINVAL; + } + dai_data->port[dai->id] = port; + + return 0; +} + +static int msm_dai_q6_dai_remove(struct snd_soc_dai *dai) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev); + + q6afe_port_put(dai_data->port[dai->id]); + dai_data->port[dai->id] = NULL; + + return 0; +} + +static struct snd_soc_dai_driver q6afe_dais[] = { + { + .playback = { + .stream_name = "HDMI Playback", + .rates = SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 2, + .channels_max = 8, + .rate_max = 192000, + .rate_min = 48000, + }, + .ops = &q6hdmi_ops, + .id = HDMI_RX, + .name = "HDMI", + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .name = "SLIMBUS_0_RX", + .ops = &q6slim_ops, + .id = SLIMBUS_0_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + .playback = { + .stream_name = "Slimbus Playback", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 8, + .rate_min = 8000, + .rate_max = 192000, + }, + }, { + .playback = { + .stream_name = "Slimbus1 Playback", + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 2, + .rate_min = 8000, + .rate_max = 192000, + }, + .name = "SLIMBUS_1_RX", + .ops = &q6slim_ops, + .id = SLIMBUS_1_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Slimbus2 Playback", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 8, + .rate_min = 8000, + .rate_max = 192000, + }, + .name = "SLIMBUS_2_RX", + .ops = &q6slim_ops, + .id = SLIMBUS_2_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Slimbus3 Playback", + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 2, + .rate_min = 8000, + .rate_max = 192000, + }, + .name = "SLIMBUS_3_RX", + .ops = &q6slim_ops, + .id = SLIMBUS_3_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Slimbus4 Playback", + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 2, + .rate_min = 8000, + .rate_max = 192000, + }, + .name = "SLIMBUS_4_RX", + .ops = &q6slim_ops, + .id = SLIMBUS_4_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Slimbus5 Playback", + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 2, + .rate_min = 8000, + .rate_max = 192000, + }, + .name = "SLIMBUS_5_RX", + .ops = &q6slim_ops, + .id = SLIMBUS_5_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Slimbus6 Playback", + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .channels_min = 1, + .channels_max = 2, + .rate_min = 8000, + .rate_max = 192000, + }, + .ops = &q6slim_ops, + .name = "SLIMBUS_6_RX", + .id = SLIMBUS_6_RX, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Primary MI2S Playback", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .id = PRIMARY_MI2S_RX, + .name = "PRI_MI2S_RX", + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .capture = { + .stream_name = "Primary MI2S Capture", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .id = PRIMARY_MI2S_TX, + .name = "PRI_MI2S_TX", + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Secondary MI2S Playback", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .name = "SEC_MI2S_RX", + .id = SECONDARY_MI2S_RX, + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .capture = { + .stream_name = "Secondary MI2S Capture", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .id = SECONDARY_MI2S_TX, + .name = "SEC_MI2S_TX", + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Tertiary MI2S Playback", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .name = "TERT_MI2S_RX", + .id = TERTIARY_MI2S_RX, + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .capture = { + .stream_name = "Tertiary MI2S Capture", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .id = TERTIARY_MI2S_TX, + .name = "TERT_MI2S_TX", + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .playback = { + .stream_name = "Quaternary MI2S Playback", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .name = "QUAT_MI2S_RX", + .id = QUATERNARY_MI2S_RX, + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, { + .capture = { + .stream_name = "Quaternary MI2S Capture", + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 8000, + .rate_max = 48000, + }, + .id = QUATERNARY_MI2S_TX, + .name = "QUAT_MI2S_TX", + .ops = &q6i2s_ops, + .probe = msm_dai_q6_dai_probe, + .remove = msm_dai_q6_dai_remove, + }, +}; + +static int q6afe_of_xlate_dai_name(struct snd_soc_component *component, + 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(q6afe_dais); i++) { + if (q6afe_dais[i].id == id) { + *dai_name = q6afe_dais[i].name; + ret = 0; + break; + } + } + + return ret; +} + +static const struct snd_soc_dapm_widget q6afe_dai_widgets[] = { + SND_SOC_DAPM_AIF_OUT("HDMI_RX", "HDMI Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_0_RX", "Slimbus Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_1_RX", "Slimbus1 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_2_RX", "Slimbus2 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_3_RX", "Slimbus3 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_4_RX", "Slimbus4 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_5_RX", "Slimbus5 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SLIMBUS_6_RX", "Slimbus6 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("QUAT_MI2S_RX", "Quaternary MI2S Playback", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("QUAT_MI2S_TX", "Quaternary MI2S Capture", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("TERT_MI2S_RX", "Tertiary MI2S Playback", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("TERT_MI2S_TX", "Tertiary MI2S Capture", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SEC_MI2S_RX", "Secondary MI2S Playback", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("SEC_MI2S_TX", "Secondary MI2S Capture", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("SEC_MI2S_RX_SD1", + "Secondary MI2S Playback SD1", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_OUT("PRI_MI2S_RX", "Primary MI2S Playback", + 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("PRI_MI2S_TX", "Primary MI2S Capture", + 0, 0, 0, 0), +}; + +static const struct snd_soc_component_driver q6afe_dai_component = { + .name = "q6afe-dai-component", + .dapm_widgets = q6afe_dai_widgets, + .num_dapm_widgets = ARRAY_SIZE(q6afe_dai_widgets), + .dapm_routes = q6afe_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(q6afe_dapm_routes), + .of_xlate_dai_name = q6afe_of_xlate_dai_name, + +}; + +static void of_q6afe_parse_dai_data(struct device *dev, + struct q6afe_dai_data *data) +{ + struct device_node *node; + int ret; + + for_each_child_of_node(dev->of_node, node) { + unsigned int lines[Q6AFE_MAX_MI2S_LINES]; + struct q6afe_dai_priv_data *priv; + const char *if_type; + int id, i, num_lines; + + ret = of_property_read_u32(node, "reg", &id); + if (ret || id > AFE_PORT_MAX) { + dev_err(dev, "valid dai id not found:%d\n", ret); + continue; + } + + if (of_property_read_string(node, "interface-type", &if_type)) + continue; + + priv = &data->priv[id]; + + /* MI2S specific properties */ + if (!strcmp(if_type, "mi2s")) { + ret = of_property_read_variable_u32_array(node, + "qcom,sd-lines", lines, 0, + Q6AFE_MAX_MI2S_LINES); + if (ret < 0) + num_lines = 0; + else + num_lines = ret; + + priv->sd_line_mask = 0; + + for (i = 0; i < num_lines; i++) + priv->sd_line_mask |= BIT(lines[i]); + } + } +} + +static int q6afe_dai_bind(struct device *dev, struct device *master, void *data) +{ + struct q6afe_dai_data *dai_data; + int rc = 0; + + dai_data = kzalloc(sizeof(*dai_data), GFP_KERNEL); + if (!dai_data) + rc = -ENOMEM; + + dev_set_drvdata(dev, dai_data); + + of_q6afe_parse_dai_data(dev, dai_data); + + return snd_soc_register_component(dev, &q6afe_dai_component, + q6afe_dais, ARRAY_SIZE(q6afe_dais)); +} + +static void q6afe_dai_unbind(struct device *dev, struct device *master, + void *data) +{ + struct q6afe_dai_data *dai_data = dev_get_drvdata(dev); + + snd_soc_unregister_component(dev); + kfree(dai_data); +} + +static const struct component_ops q6afe_dai_comp_ops = { + .bind = q6afe_dai_bind, + .unbind = q6afe_dai_unbind, +}; + +static int q6afe_dai_dev_probe(struct platform_device *pdev) +{ + return component_add(&pdev->dev, &q6afe_dai_comp_ops); +} + +static int q6afe_dai_dev_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &q6afe_dai_comp_ops); + return 0; +} + +static struct platform_driver q6afe_dai_platform_driver = { + .driver = { + .name = "q6afe-dai", + }, + .probe = q6afe_dai_dev_probe, + .remove = q6afe_dai_dev_remove, +}; +module_platform_driver(q6afe_dai_platform_driver); + +MODULE_DESCRIPTION("Q6 Audio Fronend dai driver"); +MODULE_LICENSE("GPL v2");