Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Intel(R) Trace Hub ACPI driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2017 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "intel_th.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define DRIVER_NAME "intel_th_acpi"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static const struct intel_th_drvdata intel_th_acpi_pch = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	.host_mode_only	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static const struct intel_th_drvdata intel_th_acpi_uncore = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.host_mode_only	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static const struct acpi_device_id intel_th_acpi_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	{ "INTC1000",	(kernel_ulong_t)&intel_th_acpi_uncore },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	{ "INTC1001",	(kernel_ulong_t)&intel_th_acpi_pch },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	{ "",		0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) MODULE_DEVICE_TABLE(acpi, intel_th_acpi_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static int intel_th_acpi_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct resource resource[TH_MMIO_END];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	const struct acpi_device_id *id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	struct intel_th *th;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	int i, r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	id = acpi_match_device(intel_th_acpi_ids, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	if (!id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	for (i = 0, r = 0; i < pdev->num_resources && r < TH_MMIO_END; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 		if (pdev->resource[i].flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		    (IORESOURCE_IRQ | IORESOURCE_MEM))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 			resource[r++] = pdev->resource[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	th = intel_th_alloc(&pdev->dev, (void *)id->driver_data, resource, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	if (IS_ERR(th))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		return PTR_ERR(th);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	adev->driver_data = th;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static int intel_th_acpi_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	struct intel_th *th = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	intel_th_free(th);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static struct platform_driver intel_th_acpi_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	.probe		= intel_th_acpi_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	.remove		= intel_th_acpi_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 	.driver		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 		.name			= DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 		.acpi_match_table	= intel_th_acpi_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) module_platform_driver(intel_th_acpi_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) MODULE_DESCRIPTION("Intel(R) Trace Hub ACPI controller driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MODULE_AUTHOR("Alexander Shishkin <alexander.shishkin@intel.com>");