2 * Intel MID platform PM support
4 * Copyright (C) 2016, Intel Corporation
6 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
13 #include <linux/init.h>
14 #include <linux/pci.h>
16 #include <asm/cpu_device_id.h>
17 #include <asm/intel-family.h>
18 #include <asm/intel-mid.h>
22 static bool mid_pci_power_manageable(struct pci_dev *dev)
27 static int mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state)
29 return intel_mid_pci_set_power_state(pdev, state);
32 static pci_power_t mid_pci_choose_state(struct pci_dev *pdev)
37 static int mid_pci_sleep_wake(struct pci_dev *dev, bool enable)
42 static int mid_pci_run_wake(struct pci_dev *dev, bool enable)
47 static bool mid_pci_need_resume(struct pci_dev *dev)
52 static struct pci_platform_pm_ops mid_pci_platform_pm = {
53 .is_manageable = mid_pci_power_manageable,
54 .set_state = mid_pci_set_power_state,
55 .choose_state = mid_pci_choose_state,
56 .sleep_wake = mid_pci_sleep_wake,
57 .run_wake = mid_pci_run_wake,
58 .need_resume = mid_pci_need_resume,
61 #define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, }
63 static const struct x86_cpu_id lpss_cpu_ids[] = {
64 ICPU(INTEL_FAM6_ATOM_MERRIFIELD1),
68 static int __init mid_pci_init(void)
70 const struct x86_cpu_id *id;
72 id = x86_match_cpu(lpss_cpu_ids);
74 pci_set_platform_pm(&mid_pci_platform_pm);
77 arch_initcall(mid_pci_init);