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// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2022 Intel Corporation. All rights reserved.
/*
* 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"
#include "sof_ssp_common.h"
/* SSP port ID for speaker amplifier */
#define SOF_AMPLIFIER_SSP(quirk) ((quirk) & GENMASK(3, 0))
#define SOF_AMPLIFIER_SSP_MASK (GENMASK(3, 0))
/* HDMI capture*/
#define SOF_HDMI_CAPTURE_SSP_MASK_SHIFT 4
#define SOF_HDMI_CAPTURE_SSP_MASK_MASK (GENMASK(9, 4))
#define SOF_HDMI_CAPTURE_SSP_MASK(quirk) \
(((quirk) << SOF_HDMI_CAPTURE_SSP_MASK_SHIFT) & SOF_HDMI_CAPTURE_SSP_MASK_MASK)
/* HDMI playback */
#define SOF_HDMI_PLAYBACK_PRESENT BIT(13)
#define SOF_NO_OF_HDMI_PLAYBACK_SHIFT 14
#define SOF_NO_OF_HDMI_PLAYBACK_MASK (GENMASK(16, 14))
#define SOF_NO_OF_HDMI_PLAYBACK(quirk) \
(((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK)
/* BT audio offload */
#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(17)
#define SOF_BT_OFFLOAD_SSP_SHIFT 18
#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(20, 18))
#define SOF_BT_OFFLOAD_SSP(quirk) \
(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
/* Default: SSP2 */
static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(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 DMIC16K_BE_ID 4
#define INTEL_HDMI_BE_ID 5
static struct snd_soc_dai_link *
sof_card_dai_links_create(struct device *dev, enum sof_ssp_codec amp_type,
int ssp_amp, int dmic_be_num, int hdmi_num,
bool idisp_codec)
{
struct snd_soc_dai_link *links;
int i;
int id = 0;
int ret;
bool fixed_be = false;
int be_id;
unsigned long ssp_mask_hdmi_in;
links = devm_kcalloc(dev, sof_ssp_amp_card.num_links,
sizeof(struct snd_soc_dai_link), GFP_KERNEL);
if (!links)
return NULL;
/* HDMI-In SSP */
ssp_mask_hdmi_in = (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_SSP_MASK_MASK) >>
SOF_HDMI_CAPTURE_SSP_MASK_SHIFT;
if (ssp_mask_hdmi_in) {
int port = 0;
/* the topology supports HDMI-IN uses fixed BE ID for DAI links */
fixed_be = true;
be_id = HDMI_IN_BE_ID;
for_each_set_bit(port, &ssp_mask_hdmi_in, 32) {
ret = sof_intel_board_set_hdmi_in_link(dev, &links[id],
be_id, port);
if (ret)
return NULL;
id++;
be_id++;
}
}
/* codec SSP */
if (amp_type != CODEC_NONE) {
be_id = fixed_be ? SPK_BE_ID : id;
ret = sof_intel_board_set_ssp_amp_link(dev, &links[id], be_id,
amp_type, ssp_amp);
if (ret)
return NULL;
/* codec-specific fields */
switch (amp_type) {
case CODEC_CS35L41:
cs35l41_set_dai_link(&links[id]);
break;
case CODEC_RT1308:
sof_rt1308_dai_link(&links[id]);
break;
default:
dev_err(dev, "invalid amp type %d\n", amp_type);
return NULL;
}
id++;
}
/* dmic */
if (dmic_be_num > 0) {
/* at least we have dmic01 */
be_id = fixed_be ? DMIC01_BE_ID : id;
ret = sof_intel_board_set_dmic_link(dev, &links[id], be_id,
SOF_DMIC_01);
if (ret)
return NULL;
id++;
}
if (dmic_be_num > 1) {
/* set up 2 BE links at most */
be_id = fixed_be ? DMIC16K_BE_ID : id;
ret = sof_intel_board_set_dmic_link(dev, &links[id], be_id,
SOF_DMIC_16K);
if (ret)
return NULL;
id++;
}
/* HDMI playback */
for (i = 1; i <= hdmi_num; i++) {
be_id = fixed_be ? (INTEL_HDMI_BE_ID + i - 1) : id;
ret = sof_intel_board_set_intel_hdmi_link(dev, &links[id], be_id,
i, idisp_codec);
if (ret)
return NULL;
id++;
}
/* BT audio offload */
if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
SOF_BT_OFFLOAD_SSP_SHIFT;
ret = sof_intel_board_set_bt_link(dev, &links[id], id, port);
if (ret)
return NULL;
id++;
}
return links;
}
static int sof_ssp_amp_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
struct snd_soc_dai_link *dai_links;
struct sof_card_private *ctx;
int ret;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
if (pdev->id_entry && pdev->id_entry->driver_data)
sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;
ctx->amp_type = sof_ssp_detect_amp_type(&pdev->dev);
if (dmi_check_system(chromebook_platforms) || mach->mach_params.dmic_num > 0)
ctx->dmic_be_num = 2;
else
ctx->dmic_be_num = 0;
/* port number/mask of peripherals attached to ssp interface */
ctx->ssp_mask_hdmi_in = (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_SSP_MASK_MASK) >>
SOF_HDMI_CAPTURE_SSP_MASK_SHIFT;
ctx->ssp_bt = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
SOF_BT_OFFLOAD_SSP_SHIFT;
ctx->ssp_amp = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK;
/* set number of dai links */
sof_ssp_amp_card.num_links = ctx->dmic_be_num;
if (ctx->amp_type != CODEC_NONE)
sof_ssp_amp_card.num_links++;
if (ctx->ssp_mask_hdmi_in)
sof_ssp_amp_card.num_links += hweight32(ctx->ssp_mask_hdmi_in);
if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
ctx->hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >>
SOF_NO_OF_HDMI_PLAYBACK_SHIFT;
/* default number of HDMI DAI's */
if (!ctx->hdmi_num)
ctx->hdmi_num = 3;
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
ctx->hdmi.idisp_codec = true;
sof_ssp_amp_card.num_links += ctx->hdmi_num;
} else {
ctx->hdmi_num = 0;
}
if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
ctx->bt_offload_present = true;
sof_ssp_amp_card.num_links++;
}
dai_links = sof_card_dai_links_create(&pdev->dev, ctx->amp_type,
ctx->ssp_amp, ctx->dmic_be_num,
ctx->hdmi_num,
ctx->hdmi.idisp_codec);
if (!dai_links)
return -ENOMEM;
sof_ssp_amp_card.dai_link = dai_links;
/* update codec_conf */
switch (ctx->amp_type) {
case CODEC_CS35L41:
cs35l41_set_codec_conf(&sof_ssp_amp_card);
break;
case CODEC_NONE:
case CODEC_RT1308:
/* 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_AMPLIFIER_SSP(2) |
SOF_HDMI_CAPTURE_SSP_MASK(0x22)),
/* SSP 1 and SSP 5 are used for HDMI IN */
},
{
.name = "adl_cs35l41",
.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) |
SOF_NO_OF_HDMI_PLAYBACK(4) |
SOF_HDMI_PLAYBACK_PRESENT |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
.name = "adl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_HDMI_CAPTURE_SSP_MASK(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_NO_OF_HDMI_PLAYBACK(3) |
SOF_HDMI_PLAYBACK_PRESENT),
},
{
.name = "rpl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_HDMI_CAPTURE_SSP_MASK(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_NO_OF_HDMI_PLAYBACK(3) |
SOF_HDMI_PLAYBACK_PRESENT),
},
{
.name = "mtl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_HDMI_CAPTURE_SSP_MASK(0x5) |
/* SSP 0 and SSP 2 are used for HDMI IN */
SOF_NO_OF_HDMI_PLAYBACK(3) |
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);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_SSP_COMMON);
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