diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_ssp_amp.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_ssp_amp.c | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_ssp_amp.c b/sound/soc/intel/boards/sof_ssp_amp.c new file mode 100644 index 000000000000..ee2e813bf4c0 --- /dev/null +++ b/sound/soc/intel/boards/sof_ssp_amp.c @@ -0,0 +1,349 @@ +// 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); |