// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // // Copyright(c) 2018 Intel Corporation. All rights reserved. // // Author: Liam Girdwood // #include #include #include #include #include #include #include #ifdef CONFIG_X86 #include #endif #include "ops.h" /* platform specific devices */ #include "intel/shim.h" static char *fw_path; module_param(fw_path, charp, 0444); MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware."); static char *tplg_path; module_param(tplg_path, charp, 0444); MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); #if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL) static const struct sof_dev_desc sof_acpi_haswell_desc = { .machines = snd_soc_acpi_intel_haswell_machines, .resindex_lpe_base = 0, .resindex_pcicfg_base = 1, .resindex_imr_base = -1, .irqindex_host_ipc = 0, .chip_info = &hsw_chip_info, .default_fw_path = "intel/sof", .default_tplg_path = "intel/sof-tplg", .nocodec_fw_filename = "sof-hsw.ri", .nocodec_tplg_filename = "sof-hsw-nocodec.tplg", .ops = &sof_hsw_ops, .arch_ops = &sof_xtensa_arch_ops }; #endif #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL) static const struct sof_dev_desc sof_acpi_broadwell_desc = { .machines = snd_soc_acpi_intel_broadwell_machines, .resindex_lpe_base = 0, .resindex_pcicfg_base = 1, .resindex_imr_base = -1, .irqindex_host_ipc = 0, .chip_info = &bdw_chip_info, .default_fw_path = "intel/sof", .default_tplg_path = "intel/sof-tplg", .nocodec_fw_filename = "sof-bdw.ri", .nocodec_tplg_filename = "sof-bdw-nocodec.tplg", .ops = &sof_bdw_ops, .arch_ops = &sof_xtensa_arch_ops }; #endif #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) /* BYTCR uses different IRQ index */ static const struct sof_dev_desc sof_acpi_baytrailcr_desc = { .machines = snd_soc_acpi_intel_baytrail_machines, .resindex_lpe_base = 0, .resindex_pcicfg_base = 1, .resindex_imr_base = 2, .irqindex_host_ipc = 0, .chip_info = &byt_chip_info, .default_fw_path = "intel/sof", .default_tplg_path = "intel/sof-tplg", .nocodec_fw_filename = "sof-byt.ri", .nocodec_tplg_filename = "sof-byt-nocodec.tplg", .ops = &sof_byt_ops, .arch_ops = &sof_xtensa_arch_ops }; static const struct sof_dev_desc sof_acpi_baytrail_desc = { .machines = snd_soc_acpi_intel_baytrail_machines, .resindex_lpe_base = 0, .resindex_pcicfg_base = 1, .resindex_imr_base = 2, .irqindex_host_ipc = 5, .chip_info = &byt_chip_info, .default_fw_path = "intel/sof", .default_tplg_path = "intel/sof-tplg", .nocodec_fw_filename = "sof-byt.ri", .nocodec_tplg_filename = "sof-byt-nocodec.tplg", .ops = &sof_byt_ops, .arch_ops = &sof_xtensa_arch_ops }; #ifdef CONFIG_X86 /* TODO: move this to common helper */ static bool is_byt_cr(struct platform_device *pdev) { struct device *dev = &pdev->dev; int status; if (iosf_mbi_available()) { u32 bios_status; status = iosf_mbi_read(BT_MBI_UNIT_PMC, /* 0x04 PUNIT */ MBI_REG_READ, /* 0x10 */ 0x006, /* BIOS_CONFIG */ &bios_status); if (status) { dev_err(dev, "could not read PUNIT BIOS_CONFIG\n"); } else { /* bits 26:27 mirror PMIC options */ bios_status = (bios_status >> 26) & 3; if (bios_status == 1 || bios_status == 3) { dev_info(dev, "Detected Baytrail-CR platform\n"); return true; } dev_info(dev, "BYT-CR not detected\n"); } } else { dev_info(dev, "IOSF_MBI not available, no BYT-CR detection\n"); } if (platform_get_resource(pdev, IORESOURCE_IRQ, 5) == NULL) { /* * Some devices detected as BYT-T have only a single IRQ listed, * causing platform_get_irq with index 5 to return -ENXIO. * The correct IRQ in this case is at index 0, as on BYT-CR. */ dev_info(dev, "Falling back to Baytrail-CR platform\n"); return true; } return false; } #else static int is_byt_cr(struct platform_device *pdev) { return 0; } #endif static const struct sof_dev_desc sof_acpi_cherrytrail_desc = { .machines = snd_soc_acpi_intel_cherrytrail_machines, .resindex_lpe_base = 0, .resindex_pcicfg_base = 1, .resindex_imr_base = 2, .irqindex_host_ipc = 5, .chip_info = &cht_chip_info, .default_fw_path = "intel/sof", .default_tplg_path = "intel/sof-tplg", .nocodec_fw_filename = "sof-cht.ri", .nocodec_tplg_filename = "sof-cht-nocodec.tplg", .ops = &sof_cht_ops, .arch_ops = &sof_xtensa_arch_ops }; #endif static const struct dev_pm_ops sof_acpi_pm = { SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume) SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume, NULL) }; static void sof_acpi_probe_complete(struct device *dev) { /* allow runtime_pm */ pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS); pm_runtime_use_autosuspend(dev); pm_runtime_enable(dev); } static int sof_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; const struct sof_dev_desc *desc; struct snd_soc_acpi_mach *mach; struct snd_sof_pdata *sof_pdata; const struct snd_sof_dsp_ops *ops; int ret; dev_dbg(&pdev->dev, "ACPI DSP detected"); sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL); if (!sof_pdata) return -ENOMEM; desc = device_get_match_data(dev); if (!desc) return -ENODEV; #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) if (desc == &sof_acpi_baytrail_desc && is_byt_cr(pdev)) desc = &sof_acpi_baytrailcr_desc; #endif /* get ops for platform */ ops = desc->ops; if (!ops) { dev_err(dev, "error: no matching ACPI descriptor ops\n"); return -ENODEV; } #if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE) /* force nocodec mode */ dev_warn(dev, "Force to use nocodec mode\n"); mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL); if (!mach) return -ENOMEM; ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops); if (ret < 0) return ret; #else /* find machine */ mach = snd_soc_acpi_find_machine(desc->machines); if (!mach) { dev_warn(dev, "warning: No matching ASoC machine driver found\n"); } else { sof_pdata->fw_filename = mach->sof_fw_filename; sof_pdata->tplg_filename = mach->sof_tplg_filename; } #endif if (mach) { mach->mach_params.platform = dev_name(dev); mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc; } sof_pdata->machine = mach; sof_pdata->desc = desc; sof_pdata->dev = &pdev->dev; sof_pdata->platform = dev_name(dev); /* alternate fw and tplg filenames ? */ if (fw_path) sof_pdata->fw_filename_prefix = fw_path; else sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path; if (tplg_path) sof_pdata->tplg_filename_prefix = tplg_path; else sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path; #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) /* set callback to enable runtime_pm */ sof_pdata->sof_probe_complete = sof_acpi_probe_complete; #endif /* call sof helper for DSP hardware probe */ ret = snd_sof_device_probe(dev, sof_pdata); if (ret) { dev_err(dev, "error: failed to probe DSP hardware!\n"); return ret; } #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) sof_acpi_probe_complete(dev); #endif return ret; } static int sof_acpi_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); /* call sof helper for DSP hardware remove */ snd_sof_device_remove(&pdev->dev); return 0; } static const struct acpi_device_id sof_acpi_match[] = { #if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL) { "INT33C8", (unsigned long)&sof_acpi_haswell_desc }, #endif #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL) { "INT3438", (unsigned long)&sof_acpi_broadwell_desc }, #endif #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) { "80860F28", (unsigned long)&sof_acpi_baytrail_desc }, { "808622A8", (unsigned long)&sof_acpi_cherrytrail_desc }, #endif { } }; MODULE_DEVICE_TABLE(acpi, sof_acpi_match); /* acpi_driver definition */ static struct platform_driver snd_sof_acpi_driver = { .probe = sof_acpi_probe, .remove = sof_acpi_remove, .driver = { .name = "sof-audio-acpi", .pm = &sof_acpi_pm, .acpi_match_table = ACPI_PTR(sof_acpi_match), }, }; module_platform_driver(snd_sof_acpi_driver); MODULE_LICENSE("Dual BSD/GPL");