// SPDX-License-Identifier: GPL-2.0-only
// This file incorporates work covered by the following copyright notice:
// Copyright (c) 2022 Intel Corporation
// Copyright (c) 2024 Advanced Micro Devices, Inc.
/*
* soc_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver
*/
#include <linux/device.h>
#include <linux/errno.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <linux/dmi.h>
#include <sound/soc_sdw_utils.h>
#include "soc_sdw_rt_amp_coeff_tables.h"
#include "../codecs/rt1308.h"
#define CODEC_NAME_SIZE 7
/* choose a larger value to resolve compatibility issues */
#define RT_AMP_MAX_BQ_REG RT1316_MAX_BQ_REG
struct rt_amp_platform_data {
const unsigned char *bq_params;
const unsigned int bq_params_cnt;
};
static const struct rt_amp_platform_data dell_0a5d_platform_data = {
.bq_params = dell_0a5d_bq_params,
.bq_params_cnt = ARRAY_SIZE(dell_0a5d_bq_params),
};
static const struct rt_amp_platform_data dell_0b00_platform_data = {
.bq_params = dell_0b00_bq_params,
.bq_params_cnt = ARRAY_SIZE(dell_0b00_bq_params),
};
static const struct dmi_system_id dmi_platform_data[] = {
/* CometLake devices */
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990")
},
.driver_data = (void *)&dell_0a5d_platform_data,
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F")
},
.driver_data = (void *)&dell_0a5d_platform_data,
},
/* TigerLake devices */
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D")
},
.driver_data = (void *)&dell_0a5d_platform_data,
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
},
.driver_data = (void *)&dell_0a5d_platform_data,
},
/* AlderLake devices */
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00")
},
.driver_data = (void *)&dell_0b00_platform_data,
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01")
},
.driver_data = (void *)&dell_0b00_platform_data,
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFF")
},
.driver_data = (void *)&dell_0b00_platform_data,
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFE")
},
.driver_data = (void *)&dell_0b00_platform_data,
},
{},
};
static int rt_amp_add_device_props(struct device *sdw_dev)
{
struct property_entry props[3] = {};
struct fwnode_handle *fwnode;
const struct dmi_system_id *dmi_data;
const struct rt_amp_platform_data *pdata;
unsigned char params[RT_AMP_MAX_BQ_REG];
int ret;
dmi_data = dmi_first_match(dmi_platform_data);
if (!dmi_data)
return 0;
pdata = dmi_data->driver_data;
memcpy(¶ms, pdata->bq_params, sizeof(unsigned char) * pdata->bq_params_cnt);
props[0] = PROPERTY_ENTRY_U8_ARRAY("realtek,bq-params", params);
props[1] = PROPERTY_ENTRY_U32("realtek,bq-params-cnt", pdata->bq_params_cnt);
fwnode = fwnode_create_software_node(props, NULL);
if (IS_ERR(fwnode))
return PTR_ERR(fwnode);
ret = device_add_software_node(sdw_dev, to_software_node(fwnode));
fwnode_handle_put(fwnode);
return ret;
}
/*
* dapm routes for rt1308/rt1316/rt1318 will be registered dynamically
* according to the number of rt1308/rt1316/rt1318 used. The first two
* entries will be registered for one codec case, and the last two entries
* are also registered if two 1308s/1316s/1318s are used.
*/
static const struct snd_soc_dapm_route rt1308_map[] = {
{ "Speaker", NULL, "rt1308-1 SPOL" },
{ "Speaker", NULL, "rt1308-1 SPOR" },
{ "Speaker", NULL, "rt1308-2 SPOL" },
{ "Speaker", NULL, "rt1308-2 SPOR" },
};
static const struct snd_soc_dapm_route rt1316_map[] = {
{ "Speaker", NULL, "rt1316-1 SPOL" },
{ "Speaker", NULL, "rt1316-1 SPOR" },
{ "Speaker", NULL, "rt1316-2 SPOL" },
{ "Speaker", NULL, "rt1316-2 SPOR" },
};
static const struct snd_soc_dapm_route rt1318_map[] = {
{ "Speaker", NULL, "rt1318-1 SPOL" },
{ "Speaker", NULL, "rt1318-1 SPOR" },
{ "Speaker", NULL, "rt1318-2 SPOL" },
{ "Speaker", NULL, "rt1318-2 SPOR" },
};
static const struct snd_soc_dapm_route rt1320_map[] = {
{ "Speaker", NULL, "rt1320-1 SPOL" },
{ "Speaker", NULL, "rt1320-1 SPOR" },
{ "Speaker", NULL, "rt1320-2 SPOL" },
{ "Speaker", NULL, "rt1320-2 SPOR" },
};
static const struct snd_soc_dapm_route *get_codec_name_and_route(struct snd_soc_dai *dai,
char *codec_name)
{
/* get the codec name */
snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai->name);
/* choose the right codec's map */
if (strcmp(codec_name, "rt1308") == 0)
return rt1308_map;
else if (strcmp(codec_name, "rt1316") == 0)
return rt1316_map;
else if (strcmp(codec_name, "rt1318") == 0)
return rt1318_map;
else
return rt1320_map;
}
int asoc_sdw_rt_amp_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
{
struct snd_soc_card *card = rtd->card;
const struct snd_soc_dapm_route *rt_amp_map;
char codec_name[CODEC_NAME_SIZE];
struct snd_soc_dai *codec_dai;
int ret;
int i;
rt_amp_map = get_codec_name_and_route(dai, codec_name);
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"%s spk:%s",
card->components, codec_name);
if (!card->components)
return -ENOMEM;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
if (strstr(codec_dai->component->name_prefix, "-1"))
ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map, 2);
else if (strstr(codec_dai->component->name_prefix, "-2"))
ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map + 2, 2);
}
return ret;
}
EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_spk_rtd_init, SND_SOC_SDW_UTILS);
static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
int clk_id, clk_freq, pll_out;
int err;
clk_id = RT1308_PLL_S_MCLK;
clk_freq = 38400000;
pll_out = params_rate(params) * 512;
/* Set rt1308 pll */
err = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
if (err < 0) {
dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", err);
return err;
}
/* Set rt1308 sysclk */
err = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out,
SND_SOC_CLOCK_IN);
if (err < 0) {
dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", err);
return err;
}
return 0;
}
/* machine stream operations */
const struct snd_soc_ops soc_sdw_rt1308_i2s_ops = {
.hw_params = rt1308_i2s_hw_params,
};
EXPORT_SYMBOL_NS(soc_sdw_rt1308_i2s_ops, SND_SOC_SDW_UTILS);
int asoc_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
{
struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
if (ctx->amp_dev1) {
device_remove_software_node(ctx->amp_dev1);
put_device(ctx->amp_dev1);
}
if (ctx->amp_dev2) {
device_remove_software_node(ctx->amp_dev2);
put_device(ctx->amp_dev2);
}
return 0;
}
EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_exit, SND_SOC_SDW_UTILS);
int asoc_sdw_rt_amp_init(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_links,
struct asoc_sdw_codec_info *info,
bool playback)
{
struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
struct device *sdw_dev1, *sdw_dev2;
int ret;
/* Count amp number and do init on playback link only. */
if (!playback)
return 0;
info->amp_num++;
if (info->amp_num == 2) {
sdw_dev1 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
if (!sdw_dev1)
return -EPROBE_DEFER;
ret = rt_amp_add_device_props(sdw_dev1);
if (ret < 0) {
put_device(sdw_dev1);
return ret;
}
ctx->amp_dev1 = sdw_dev1;
sdw_dev2 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[1].name);
if (!sdw_dev2)
return -EPROBE_DEFER;
ret = rt_amp_add_device_props(sdw_dev2);
if (ret < 0) {
put_device(sdw_dev2);
return ret;
}
ctx->amp_dev2 = sdw_dev2;
}
return 0;
}
EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_init, SND_SOC_SDW_UTILS);
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