// SPDX-License-Identifier: GPL-2.0 /* * Intel(R) Trace Hub ACPI driver * * Copyright (C) 2017 Intel Corporation. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/types.h> #include <linux/module.h> #include <linux/device.h> #include <linux/sysfs.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include "intel_th.h" #define DRIVER_NAME "intel_th_acpi" static const struct intel_th_drvdata intel_th_acpi_pch = { .host_mode_only = 1, }; static const struct intel_th_drvdata intel_th_acpi_uncore = { .host_mode_only = 1, }; static const struct acpi_device_id intel_th_acpi_ids[] = { { "INTC1000", (kernel_ulong_t)&intel_th_acpi_uncore }, { "INTC1001", (kernel_ulong_t)&intel_th_acpi_pch }, { "", 0 }, }; MODULE_DEVICE_TABLE(acpi, intel_th_acpi_ids); static int intel_th_acpi_probe(struct platform_device *pdev) { struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); struct resource resource[TH_MMIO_END]; const struct acpi_device_id *id; struct intel_th *th; int i, r; id = acpi_match_device(intel_th_acpi_ids, &pdev->dev); if (!id) return -ENODEV; for (i = 0, r = 0; i < pdev->num_resources && r < TH_MMIO_END; i++) if (pdev->resource[i].flags & (IORESOURCE_IRQ | IORESOURCE_MEM)) resource[r++] = pdev->resource[i]; th = intel_th_alloc(&pdev->dev, (void *)id->driver_data, resource, r); if (IS_ERR(th)) return PTR_ERR(th); adev->driver_data = th; return 0; } static void intel_th_acpi_remove(struct platform_device *pdev) { struct intel_th *th = platform_get_drvdata(pdev); intel_th_free(th); } static struct platform_driver intel_th_acpi_driver = { .probe = intel_th_acpi_probe, .remove_new = intel_th_acpi_remove, .driver = { .name = DRIVER_NAME, .acpi_match_table = intel_th_acpi_ids, }, }; module_platform_driver(intel_th_acpi_driver); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Intel(R) Trace Hub ACPI controller driver"); MODULE_AUTHOR("Alexander Shishkin <alexander.shishkin@intel.com>");