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