| // 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); |