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ASoC: qdsp6: q6afe: Add q6afe dai driver 

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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2018-05-18 13:56:07 +01:00 коммит произвёл Mark Brown
Родитель c8add3fd49
Коммит 24c4cbcfac
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: 24D68B725D5487D0
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4
sound/soc/qcom/Kconfig
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@ -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

1
sound/soc/qcom/qdsp6/Makefile
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@ -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

748
sound/soc/qcom/qdsp6/q6afe-dai.c Normal file
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@ -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");