61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
 | |
| /*
 | |
|  * Platform driver for the Intel SCU.
 | |
|  *
 | |
|  * Copyright (C) 2019, Intel Corporation
 | |
|  * Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
 | |
|  *	    Mika Westerberg <mika.westerberg@linux.intel.com>
 | |
|  *	    Rajmohan Mani <rajmohan.mani@intel.com>
 | |
|  */
 | |
| 
 | |
| #include <linux/err.h>
 | |
| #include <linux/errno.h>
 | |
| #include <linux/ioport.h>
 | |
| #include <linux/mod_devicetable.h>
 | |
| #include <linux/module.h>
 | |
| #include <linux/platform_device.h>
 | |
| 
 | |
| #include <asm/intel_scu_ipc.h>
 | |
| 
 | |
| static int intel_scu_platform_probe(struct platform_device *pdev)
 | |
| {
 | |
| 	struct intel_scu_ipc_data scu_data = {};
 | |
| 	struct intel_scu_ipc_dev *scu;
 | |
| 	const struct resource *res;
 | |
| 
 | |
| 	scu_data.irq = platform_get_irq_optional(pdev, 0);
 | |
| 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 | |
| 	if (!res)
 | |
| 		return -ENOMEM;
 | |
| 
 | |
| 	scu_data.mem = *res;
 | |
| 
 | |
| 	scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
 | |
| 	if (IS_ERR(scu))
 | |
| 		return PTR_ERR(scu);
 | |
| 
 | |
| 	platform_set_drvdata(pdev, scu);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static const struct acpi_device_id intel_scu_acpi_ids[] = {
 | |
| 	{ "INTC1026" },
 | |
| 	{}
 | |
| };
 | |
| MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);
 | |
| 
 | |
| static struct platform_driver intel_scu_platform_driver = {
 | |
| 	.probe = intel_scu_platform_probe,
 | |
| 	.driver = {
 | |
| 		.name = "intel_scu",
 | |
| 		.acpi_match_table = intel_scu_acpi_ids,
 | |
| 	},
 | |
| };
 | |
| module_platform_driver(intel_scu_platform_driver);
 | |
| 
 | |
| MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
 | |
| MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
 | |
| MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
 | |
| MODULE_DESCRIPTION("Intel SCU platform driver");
 | |
| MODULE_LICENSE("GPL v2");
 |