[PATCH v9 12/15] ASoC: qdsp6: q6afe: Add q6afe dai driver

Srinivas Kandagatla
2018-05-18T12:56:07Z

This patch adds support to q6afe backend dais driver.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-and-tested-by: Rohit kumar <rohitkr@codeaurora.org>
Reviewed-by: Banajit Goswami <bgoswami@codeaurora.org>
---
sound/soc/qcom/Kconfig | 4 +
sound/soc/qcom/qdsp6/Makefile | 1 +
sound/soc/qcom/qdsp6/q6afe-dai.c | 748 +++++++++++++++++++++++++++++++++++++++
3 files changed, 753 insertions(+)
create mode 100644 sound/soc/qcom/qdsp6/q6afe-dai.c

diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 43f9ed85efa8..d3523a30d942 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -50,6 +50,9 @@ config SND_SOC_QDSP6_CORE
config SND_SOC_QDSP6_AFE
tristate

+config SND_SOC_QDSP6_AFE_DAI
+ tristate
+
config SND_SOC_QDSP6_ADM
tristate

@@ -65,6 +68,7 @@ config SND_SOC_QDSP6
select SND_SOC_QDSP6_COMMON
select SND_SOC_QDSP6_CORE
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 0e8e2febb7ec..bada1aa303c2 100644
--- a/sound/soc/qcom/qdsp6/Makefile
+++ b/sound/soc/qcom/qdsp6/Makefile
@@ -1,6 +1,7 @@
obj-$(CONFIG_SND_SOC_QDSP6_COMMON) += q6dsp-common.o
obj-$(CONFIG_SND_SOC_QDSP6_CORE) += q6core.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..4378e29a95c5
--- /dev/null
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -0,0 +1,748 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
+// 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);
+ case Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT ... Q6AFE_LPASS_CLK_ID_INT_MCLK_1:
+ return q6afe_port_set_sysclk(port, clk_id,
+ Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_NO,
+ 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 q6afe_port *port;
+
+ 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;
+ 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;
+ }
+
+ switch (id) {
+ /* MI2S specific properties */
+ case PRIMARY_MI2S_RX ... QUATERNARY_MI2S_TX:
+ priv = &data->priv[id];
+ 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]);
+
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static int q6afe_dai_bind(struct device *dev, struct device *master, void *data)
+{
+ struct q6afe_dai_data *dai_data;
+
+ dai_data = kzalloc(sizeof(*dai_data), GFP_KERNEL);
+ if (!dai_data)
+ return -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");
--
2.16.2