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kernel_samsung_sm7125/techpack/audio/4.0/asoc/msm-dai-q6-hdmi-v2.c

692 lines
19 KiB

// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
#include <dsp/apr_audio-v2.h>
#include <dsp/q6afe-v2.h>
#include "msm-dai-q6-v2.h"
#define HDMI_RX_CA_MAX 0x32
enum {
DP_CONTROLLER0 = 0,
DP_CONTROLLER1,
DP_CONTROLLER_MAX,
};
enum {
DP_STREAM0 = 0,
DP_STREAM1,
DP_STREAM_MAX,
};
enum {
STATUS_PORT_STARTED, /* track if AFE port has started */
STATUS_MAX
};
struct msm_ext_disp_ca {
bool set_ca;
u32 ca;
};
struct msm_dai_q6_hdmi_dai_data {
DECLARE_BITMAP(status_mask, STATUS_MAX);
u32 rate;
u32 channels;
u32 stream_idx;
u32 ctl_idx;
struct msm_ext_disp_ca ca;
union afe_port_config port_config;
};
static int get_port_id(int dai_id)
{
/* Currently, display devices share a common AFE port */
if (dai_id != HDMI_RX)
return DISPLAY_PORT_RX;
return dai_id;
}
static int msm_dai_q6_ext_disp_format_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = kcontrol->private_data;
int value = ucontrol->value.integer.value[0];
if (!dai_data) {
pr_err("%s: dai_data is NULL\n", __func__);
return -EINVAL;
}
dai_data->port_config.hdmi_multi_ch.datatype = value;
pr_debug("%s: value = %d\n", __func__, value);
return 0;
}
static int msm_dai_q6_ext_disp_format_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = kcontrol->private_data;
if (!dai_data) {
pr_err("%s: dai_data is NULL\n", __func__);
return -EINVAL;
}
ucontrol->value.integer.value[0] =
dai_data->port_config.hdmi_multi_ch.datatype;
pr_debug("%s: value = %ld\n",
__func__, ucontrol->value.integer.value[0]);
return 0;
}
static int msm_dai_q6_ext_disp_device_idx_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = kcontrol->private_data;
if (!dai_data) {
pr_err("%s: dai_data is NULL\n", __func__);
return -EINVAL;
}
if ((ucontrol->value.integer.value[0] > (DP_CONTROLLER_MAX - 1)) ||
(ucontrol->value.integer.value[1] > (DP_STREAM_MAX - 1)) ||
(ucontrol->value.integer.value[0] < 0) ||
(ucontrol->value.integer.value[1] < 0)) {
pr_err("%s: DP control index invalid\n", __func__);
return -EINVAL;
}
dai_data->ctl_idx = ucontrol->value.integer.value[0];
dai_data->stream_idx = ucontrol->value.integer.value[1];
pr_debug("%s: DP ctl id %d stream id %d\n", __func__,
dai_data->ctl_idx, dai_data->stream_idx);
return 0;
}
static int msm_dai_q6_ext_disp_device_idx_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = kcontrol->private_data;
if (!dai_data) {
pr_err("%s: dai_data is NULL\n", __func__);
return -EINVAL;
}
ucontrol->value.integer.value[0] = dai_data->ctl_idx;
ucontrol->value.integer.value[1] = dai_data->stream_idx;
pr_debug("%s: DP ctl id %d stream id %d\n", __func__,
dai_data->ctl_idx, dai_data->stream_idx);
return 0;
}
static int msm_dai_q6_ext_disp_ca_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = kcontrol->private_data;
if (!dai_data) {
pr_err("%s: dai_data is NULL\n", __func__);
return -EINVAL;
}
dai_data->ca.ca = ucontrol->value.integer.value[0];
dai_data->ca.set_ca = true;
pr_debug("%s: ca = %d\n", __func__, dai_data->ca.ca);
return 0;
}
static int msm_dai_q6_ext_disp_ca_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = kcontrol->private_data;
if (!dai_data) {
pr_err("%s: dai_data is NULL\n", __func__);
return -EINVAL;
}
ucontrol->value.integer.value[0] = dai_data->ca.ca;
pr_debug("%s: ca = %d\n", __func__, dai_data->ca.ca);
return 0;
}
/* HDMI format field for AFE_PORT_MULTI_CHAN_HDMI_AUDIO_IF_CONFIG command
* 0: linear PCM
* 1: non-linear PCM
*/
static const char * const hdmi_format[] = {
"LPCM",
"Compr"
};
static const struct soc_enum hdmi_config_enum[] = {
SOC_ENUM_SINGLE_EXT(2, hdmi_format),
};
static int msm_dai_q6_ext_disp_drift_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
uinfo->count = sizeof(struct afe_param_id_dev_timing_stats);
return 0;
}
static int msm_dai_q6_ext_disp_drift_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret = -EINVAL;
struct afe_param_id_dev_timing_stats timing_stats;
struct snd_soc_dai *dai = kcontrol->private_data;
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
if (!test_bit(STATUS_PORT_STARTED, dai_data->status_mask)) {
pr_debug("%s: afe port not started. status_mask = %ld\n",
__func__, *dai_data->status_mask);
goto done;
}
memset(&timing_stats, 0, sizeof(struct afe_param_id_dev_timing_stats));
ret = afe_get_av_dev_drift(&timing_stats, get_port_id(dai->id));
if (ret) {
pr_err("%s: Error getting AFE Drift for port %d, err=%d\n",
__func__, get_port_id(dai->id), ret);
ret = -EINVAL;
goto done;
}
memcpy(ucontrol->value.bytes.data, (void *)&timing_stats,
sizeof(struct afe_param_id_dev_timing_stats));
done:
return ret;
}
static const struct snd_kcontrol_new hdmi_config_controls[] = {
SOC_ENUM_EXT("HDMI RX Format", hdmi_config_enum[0],
msm_dai_q6_ext_disp_format_get,
msm_dai_q6_ext_disp_format_put),
SOC_SINGLE_MULTI_EXT("HDMI RX CA", SND_SOC_NOPM, 0,
HDMI_RX_CA_MAX, 0, 1,
msm_dai_q6_ext_disp_ca_get,
msm_dai_q6_ext_disp_ca_put),
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "HDMI DRIFT",
.info = msm_dai_q6_ext_disp_drift_info,
.get = msm_dai_q6_ext_disp_drift_get,
},
};
static const struct snd_kcontrol_new display_port_config_controls[] = {
SOC_ENUM_EXT("Display Port RX Format", hdmi_config_enum[0],
msm_dai_q6_ext_disp_format_get,
msm_dai_q6_ext_disp_format_put),
SOC_SINGLE_MULTI_EXT("Display Port RX CA", SND_SOC_NOPM, 0,
HDMI_RX_CA_MAX, 0, 1,
msm_dai_q6_ext_disp_ca_get,
msm_dai_q6_ext_disp_ca_put),
SOC_SINGLE_MULTI_EXT("Display Port RX DEVICE IDX", SND_SOC_NOPM, 0,
1, 0, 2,
msm_dai_q6_ext_disp_device_idx_get,
msm_dai_q6_ext_disp_device_idx_put),
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "DISPLAY_PORT DRIFT",
.info = msm_dai_q6_ext_disp_drift_info,
.get = msm_dai_q6_ext_disp_drift_get,
},
SOC_ENUM_EXT("Display Port1 RX Format", hdmi_config_enum[0],
msm_dai_q6_ext_disp_format_get,
msm_dai_q6_ext_disp_format_put),
SOC_SINGLE_MULTI_EXT("Display Port1 RX CA", SND_SOC_NOPM, 0,
HDMI_RX_CA_MAX, 0, 1,
msm_dai_q6_ext_disp_ca_get,
msm_dai_q6_ext_disp_ca_put),
SOC_SINGLE_MULTI_EXT("Display Port1 RX DEVICE IDX", SND_SOC_NOPM, 0,
1, 0, 2,
msm_dai_q6_ext_disp_device_idx_get,
msm_dai_q6_ext_disp_device_idx_put),
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "DISPLAY_PORT1 DRIFT",
.info = msm_dai_q6_ext_disp_drift_info,
.get = msm_dai_q6_ext_disp_drift_get,
},
};
/* Current implementation assumes hw_param is called once
* This may not be the case but what to do when ADM and AFE
* port are already opened and parameter changes
*/
static int msm_dai_q6_hdmi_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
dai_data->channels = params_channels(params);
dai_data->rate = params_rate(params);
dai_data->port_config.hdmi_multi_ch.reserved = 0;
dai_data->port_config.hdmi_multi_ch.hdmi_cfg_minor_version = 1;
dai_data->port_config.hdmi_multi_ch.sample_rate = dai_data->rate;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
dai_data->port_config.hdmi_multi_ch.bit_width = 16;
break;
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_3LE:
dai_data->port_config.hdmi_multi_ch.bit_width = 24;
break;
}
/*refer to HDMI spec CEA-861-E: Table 28 Audio InfoFrame Data Byte 4*/
switch (dai_data->channels) {
case 2:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0;
break;
case 3:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x02;
break;
case 4:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x06;
break;
case 5:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x0A;
break;
case 6:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x0B;
break;
case 7:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x12;
break;
case 8:
dai_data->port_config.hdmi_multi_ch.channel_allocation = 0x13;
break;
default:
dev_err(dai->dev, "invalid Channels = %u\n",
dai_data->channels);
return -EINVAL;
}
dev_dbg(dai->dev, "%s() minor version: %u samplerate: %u bitwidth: %u\n"
"num_ch = %u channel_allocation = %u datatype = %d\n", __func__,
dai_data->port_config.hdmi_multi_ch.hdmi_cfg_minor_version,
dai_data->port_config.hdmi_multi_ch.sample_rate,
dai_data->port_config.hdmi_multi_ch.bit_width,
dai_data->channels,
dai_data->port_config.hdmi_multi_ch.channel_allocation,
dai_data->port_config.hdmi_multi_ch.datatype);
return 0;
}
static void msm_dai_q6_hdmi_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
int rc = 0;
if (!test_bit(STATUS_PORT_STARTED, dai_data->status_mask)) {
pr_info("%s: afe port not started. dai_data->status_mask = %ld\n",
__func__, *dai_data->status_mask);
return;
}
rc = afe_close(get_port_id(dai->id)); /* can block */
if (rc < 0)
dev_err(dai->dev, "fail to close AFE port\n");
pr_debug("%s: dai_data->status_mask = %ld\n", __func__,
*dai_data->status_mask);
clear_bit(STATUS_PORT_STARTED, dai_data->status_mask);
}
static int msm_dai_q6_hdmi_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
int rc = 0;
if (dai_data->ca.set_ca)
dai_data->port_config.hdmi_multi_ch.channel_allocation =
dai_data->ca.ca;
if (!test_bit(STATUS_PORT_STARTED, dai_data->status_mask)) {
rc = afe_set_display_stream(get_port_id(dai->id), dai_data->stream_idx,
dai_data->ctl_idx);
if (rc < 0) {
dev_err(dai->dev, "fail to set AFE ctl, stream ID params %x\n",
dai->id);
if (rc != -EOPNOTSUPP) {
dev_err(dai->dev, "not starting AFE port\n");
goto err;
}
}
rc = afe_port_start(get_port_id(dai->id), &dai_data->port_config,
dai_data->rate);
if (rc < 0)
dev_err(dai->dev, "fail to open AFE port %x\n",
get_port_id(dai->id));
else
set_bit(STATUS_PORT_STARTED,
dai_data->status_mask);
}
err:
return rc;
}
static inline void msm_dai_q6_hdmi_set_dai_id(struct snd_soc_dai *dai)
{
if (!dai->driver->id) {
dev_warn(dai->dev, "DAI driver id is not set\n");
return;
}
dai->id = dai->driver->id;
}
static int msm_dai_q6_hdmi_dai_probe(struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data;
const struct snd_kcontrol_new *kcontrol;
int rc = 0;
struct snd_soc_dapm_route intercon;
struct snd_soc_dapm_context *dapm;
if (!dai || !dai->driver) {
pr_err("%s: dai or dai->driver is NULL\n", __func__);
return -EINVAL;
}
dai_data = kzalloc(sizeof(struct msm_dai_q6_hdmi_dai_data),
GFP_KERNEL);
if (!dai_data) {
dev_err(dai->dev, "DAI-%d: fail to allocate dai data\n",
dai->id);
rc = -ENOMEM;
} else
dev_set_drvdata(dai->dev, dai_data);
msm_dai_q6_hdmi_set_dai_id(dai);
if (dai->driver->id == HDMI_RX) {
kcontrol = &hdmi_config_controls[0];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &hdmi_config_controls[1];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &hdmi_config_controls[2];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai));
} else if (dai->driver->id == MSM_DISPLAY_PORT) {
kcontrol = &display_port_config_controls[0];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &display_port_config_controls[1];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &display_port_config_controls[2];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &display_port_config_controls[3];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai));
} else if (dai->driver->id == MSM_DISPLAY_PORT1) {
kcontrol = &display_port_config_controls[4];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &display_port_config_controls[5];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &display_port_config_controls[6];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai_data));
kcontrol = &display_port_config_controls[7];
rc = snd_ctl_add(dai->component->card->snd_card,
snd_ctl_new1(kcontrol, dai));
} else {
dev_err(dai->dev, "%s: Invalid id:%d\n",
__func__, dai->driver->id);
kfree(dai_data);
dev_set_drvdata(dai->dev, NULL);
return -EINVAL;
}
dapm = snd_soc_component_get_dapm(dai->component);
memset(&intercon, 0, sizeof(intercon));
if (!rc) {
if (dai->driver->playback.stream_name &&
dai->driver->playback.aif_name) {
dev_dbg(dai->dev, "%s add route for widget %s",
__func__, dai->driver->playback.stream_name);
intercon.source = dai->driver->playback.aif_name;
intercon.sink = dai->driver->playback.stream_name;
dev_dbg(dai->dev, "%s src %s sink %s\n",
__func__, intercon.source, intercon.sink);
snd_soc_dapm_add_routes(dapm, &intercon, 1);
}
if (dai->driver->capture.stream_name &&
dai->driver->capture.aif_name) {
dev_dbg(dai->dev, "%s add route for widget %s",
__func__, dai->driver->capture.stream_name);
intercon.sink = dai->driver->capture.aif_name;
intercon.source = dai->driver->capture.stream_name;
dev_dbg(dai->dev, "%s src %s sink %s\n",
__func__, intercon.source, intercon.sink);
snd_soc_dapm_add_routes(dapm, &intercon, 1);
}
}
return rc;
}
static int msm_dai_q6_hdmi_dai_remove(struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data;
int rc;
dai_data = dev_get_drvdata(dai->dev);
/* If AFE port is still up, close it */
if (test_bit(STATUS_PORT_STARTED, dai_data->status_mask)) {
rc = afe_close(get_port_id(dai->id)); /* can block */
if (rc < 0)
dev_err(dai->dev, "fail to close AFE port\n");
clear_bit(STATUS_PORT_STARTED, dai_data->status_mask);
}
kfree(dai_data);
return 0;
}
static struct snd_soc_dai_ops msm_dai_q6_hdmi_ops = {
.prepare = msm_dai_q6_hdmi_prepare,
.hw_params = msm_dai_q6_hdmi_hw_params,
.shutdown = msm_dai_q6_hdmi_shutdown,
};
static struct snd_soc_dai_driver msm_dai_q6_hdmi_hdmi_rx_dai = {
.playback = {
.stream_name = "HDMI Playback",
.aif_name = "HDMI",
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
SNDRV_PCM_RATE_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S24_3LE,
.channels_min = 2,
.channels_max = 8,
.rate_max = 192000,
.rate_min = 48000,
},
.ops = &msm_dai_q6_hdmi_ops,
.id = HDMI_RX,
.probe = msm_dai_q6_hdmi_dai_probe,
.remove = msm_dai_q6_hdmi_dai_remove,
};
static struct snd_soc_dai_driver msm_dai_q6_display_port_rx_dai[] = {
{
.playback = {
.stream_name = "Display Port Playback",
.aif_name = "DISPLAY_PORT",
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
SNDRV_PCM_RATE_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S24_3LE,
.channels_min = 2,
.channels_max = 8,
.rate_max = 192000,
.rate_min = 48000,
},
.ops = &msm_dai_q6_hdmi_ops,
.id = MSM_DISPLAY_PORT,
.probe = msm_dai_q6_hdmi_dai_probe,
.remove = msm_dai_q6_hdmi_dai_remove,
},
{
.playback = {
.stream_name = "Display Port1 Playback",
.aif_name = "DISPLAY_PORT1",
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
SNDRV_PCM_RATE_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S24_3LE,
.channels_min = 2,
.channels_max = 8,
.rate_max = 192000,
.rate_min = 48000,
},
.ops = &msm_dai_q6_hdmi_ops,
.id = MSM_DISPLAY_PORT1,
.probe = msm_dai_q6_hdmi_dai_probe,
.remove = msm_dai_q6_hdmi_dai_remove,
},
};
static const struct snd_soc_component_driver msm_dai_hdmi_q6_component = {
.name = "msm-dai-q6-hdmi",
};
/* To do: change to register DAIs as batch */
static int msm_dai_q6_hdmi_dev_probe(struct platform_device *pdev)
{
int rc, id;
const char *q6_dev_id = "qcom,msm-dai-q6-dev-id";
rc = of_property_read_u32(pdev->dev.of_node, q6_dev_id, &id);
if (rc) {
dev_err(&pdev->dev,
"%s: missing %s in dt node\n", __func__, q6_dev_id);
return rc;
}
pdev->id = id;
pr_debug("%s: dev name %s, id:%d\n", __func__,
dev_name(&pdev->dev), pdev->id);
switch (pdev->id) {
case HDMI_RX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_hdmi_q6_component,
&msm_dai_q6_hdmi_hdmi_rx_dai, 1);
break;
case MSM_DISPLAY_PORT:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_hdmi_q6_component,
&msm_dai_q6_display_port_rx_dai[0], 1);
break;
case MSM_DISPLAY_PORT1:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_hdmi_q6_component,
&msm_dai_q6_display_port_rx_dai[1], 1);
break;
default:
dev_err(&pdev->dev, "invalid device ID %d\n", pdev->id);
rc = -ENODEV;
break;
}
return rc;
}
static int msm_dai_q6_hdmi_dev_remove(struct platform_device *pdev)
{
snd_soc_unregister_component(&pdev->dev);
return 0;
}
static const struct of_device_id msm_dai_q6_hdmi_dt_match[] = {
{.compatible = "qcom,msm-dai-q6-hdmi"},
{}
};
MODULE_DEVICE_TABLE(of, msm_dai_q6_hdmi_dt_match);
static struct platform_driver msm_dai_q6_hdmi_driver = {
.probe = msm_dai_q6_hdmi_dev_probe,
.remove = msm_dai_q6_hdmi_dev_remove,
.driver = {
.name = "msm-dai-q6-hdmi",
.owner = THIS_MODULE,
.of_match_table = msm_dai_q6_hdmi_dt_match,
.suppress_bind_attrs = true,
},
};
int __init msm_dai_q6_hdmi_init(void)
{
return platform_driver_register(&msm_dai_q6_hdmi_driver);
}
void msm_dai_q6_hdmi_exit(void)
{
platform_driver_unregister(&msm_dai_q6_hdmi_driver);
}
/* Module information */
MODULE_DESCRIPTION("MSM DSP HDMI DAI driver");
MODULE_LICENSE("GPL v2");