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// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2022 Intel Corporation
/*
* sof_ssp_amp.c - ASoc Machine driver for Intel platforms
* with RT1308/CS35L41 codec.
*/
#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/sof.h>
#include "sof_board_helpers.h"
#include "sof_realtek_common.h"
#include "sof_cirrus_common.h"
/* Driver-specific board quirks: from bit 0 to 7 */
#define SOF_HDMI_PLAYBACK_PRESENT BIT(0)
/* Default: SSP2 */
static unsigned long sof_ssp_amp_quirk = SOF_SSP_PORT_AMP(2);
static const struct dmi_system_id chromebook_platforms[] = {
{
.ident = "Google Chromebooks",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Google"),
}
},
{},
};
static int sof_card_late_probe(struct snd_soc_card *card)
{
return sof_intel_board_card_late_probe(card);
}
static struct snd_soc_card sof_ssp_amp_card = {
.name = "ssp_amp",
.owner = THIS_MODULE,
.fully_routed = true,
.late_probe = sof_card_late_probe,
};
/* BE ID defined in sof-tgl-rt1308-hdmi-ssp.m4 */
#define HDMI_IN_BE_ID 0
#define SPK_BE_ID 2
#define DMIC01_BE_ID 3
#define INTEL_HDMI_BE_ID 5
/* extra BE links to support no-hdmi-in boards */
#define DMIC16K_BE_ID 4
#define BT_OFFLOAD_BE_ID 8
#define SSP_AMP_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_HDMI_IN, \
SOF_LINK_AMP, \
SOF_LINK_DMIC01, \
SOF_LINK_DMIC16K, \
SOF_LINK_IDISP_HDMI, \
SOF_LINK_BT_OFFLOAD, \
SOF_LINK_NONE)
#define SSP_AMP_LINK_IDS SOF_LINK_ORDER(HDMI_IN_BE_ID, \
SPK_BE_ID, \
DMIC01_BE_ID, \
DMIC16K_BE_ID, \
INTEL_HDMI_BE_ID, \
BT_OFFLOAD_BE_ID, \
0)
static int
sof_card_dai_links_create(struct device *dev, struct snd_soc_card *card,
struct sof_card_private *ctx)
{
int ret;
ret = sof_intel_board_set_dai_link(dev, card, ctx);
if (ret)
return ret;
if (ctx->amp_type == CODEC_NONE)
return 0;
if (!ctx->amp_link) {
dev_err(dev, "amp link not available");
return -EINVAL;
}
/* codec-specific fields for speaker amplifier */
switch (ctx->amp_type) {
case CODEC_CS35L41:
cs35l41_set_dai_link(ctx->amp_link);
break;
case CODEC_RT1308:
sof_rt1308_dai_link(ctx->amp_link);
break;
default:
dev_err(dev, "invalid amp type %d\n", ctx->amp_type);
return -EINVAL;
}
return 0;
}
static int sof_ssp_amp_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
struct sof_card_private *ctx;
int ret;
if (pdev->id_entry && pdev->id_entry->driver_data)
sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;
dev_dbg(&pdev->dev, "sof_ssp_amp_quirk = %lx\n", sof_ssp_amp_quirk);
/* initialize ctx with board quirk */
ctx = sof_intel_board_get_ctx(&pdev->dev, sof_ssp_amp_quirk);
if (!ctx)
return -ENOMEM;
if (!dmi_check_system(chromebook_platforms) &&
(mach->mach_params.dmic_num == 0))
ctx->dmic_be_num = 0;
if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
ctx->hdmi.idisp_codec = true;
} else {
ctx->hdmi_num = 0;
}
ctx->link_order_overwrite = SSP_AMP_LINK_ORDER;
if (ctx->ssp_mask_hdmi_in) {
/* the topology supports HDMI-IN uses fixed BE ID for DAI links */
ctx->link_id_overwrite = SSP_AMP_LINK_IDS;
}
/* update dai_link */
ret = sof_card_dai_links_create(&pdev->dev, &sof_ssp_amp_card, ctx);
if (ret)
return ret;
/* update codec_conf */
switch (ctx->amp_type) {
case CODEC_CS35L41:
cs35l41_set_codec_conf(&sof_ssp_amp_card);
break;
case CODEC_RT1308:
case CODEC_NONE:
/* no codec conf required */
break;
default:
dev_err(&pdev->dev, "invalid amp type %d\n", ctx->amp_type);
return -EINVAL;
}
sof_ssp_amp_card.dev = &pdev->dev;
/* set platform name for each dailink */
ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card,
mach->mach_params.platform);
if (ret)
return ret;
snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx);
return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card);
}
static const struct platform_device_id board_ids[] = {
{
.name = "sof_ssp_amp",
},
{
.name = "tgl_rt1308_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_SSP_PORT_AMP(2) |
SOF_SSP_MASK_HDMI_CAPTURE(0x22)),
/* SSP 1 and SSP 5 are used for HDMI IN */
},
{
.name = "adl_cs35l41",
.driver_data = (kernel_ulong_t)(SOF_SSP_PORT_AMP(1) |
SOF_NUM_IDISP_HDMI(4) |
SOF_HDMI_PLAYBACK_PRESENT |
SOF_SSP_PORT_BT_OFFLOAD(2) |
SOF_BT_OFFLOAD_PRESENT),
},
{
.name = "adl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_HDMI_PLAYBACK_PRESENT),
},
{
.name = "rpl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_HDMI_PLAYBACK_PRESENT),
},
{
.name = "mtl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_HDMI_PLAYBACK_PRESENT),
},
{
.name = "arl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_HDMI_PLAYBACK_PRESENT),
},
{ }
};
MODULE_DEVICE_TABLE(platform, board_ids);
static struct platform_driver sof_ssp_amp_driver = {
.probe = sof_ssp_amp_probe,
.driver = {
.name = "sof_ssp_amp",
.pm = &snd_soc_pm_ops,
},
.id_table = board_ids,
};
module_platform_driver(sof_ssp_amp_driver);
MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver");
MODULE_AUTHOR("Balamurugan C <balamurugan.c@intel.com>");
MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("SND_SOC_INTEL_SOF_BOARD_HELPERS");
MODULE_IMPORT_NS("SND_SOC_INTEL_SOF_REALTEK_COMMON");
MODULE_IMPORT_NS("SND_SOC_INTEL_SOF_CIRRUS_COMMON");
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