1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * PCI driver for the Intel SCU.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2008-2010, 2015, 2020 Intel Corporation
6*4882a593Smuzhiyun * Authors: Sreedhara DS (sreedhara.ds@intel.com)
7*4882a593Smuzhiyun * Mika Westerberg <mika.westerberg@linux.intel.com>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/errno.h>
11*4882a593Smuzhiyun #include <linux/init.h>
12*4882a593Smuzhiyun #include <linux/pci.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <asm/intel-mid.h>
15*4882a593Smuzhiyun #include <asm/intel_scu_ipc.h>
16*4882a593Smuzhiyun
intel_scu_pci_probe(struct pci_dev * pdev,const struct pci_device_id * id)17*4882a593Smuzhiyun static int intel_scu_pci_probe(struct pci_dev *pdev,
18*4882a593Smuzhiyun const struct pci_device_id *id)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun void (*setup_fn)(void) = (void (*)(void))id->driver_data;
21*4882a593Smuzhiyun struct intel_scu_ipc_data scu_data = {};
22*4882a593Smuzhiyun struct intel_scu_ipc_dev *scu;
23*4882a593Smuzhiyun int ret;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun ret = pcim_enable_device(pdev);
26*4882a593Smuzhiyun if (ret)
27*4882a593Smuzhiyun return ret;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun scu_data.mem = pdev->resource[0];
30*4882a593Smuzhiyun scu_data.irq = pdev->irq;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun scu = intel_scu_ipc_register(&pdev->dev, &scu_data);
33*4882a593Smuzhiyun if (IS_ERR(scu))
34*4882a593Smuzhiyun return PTR_ERR(scu);
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun if (setup_fn)
37*4882a593Smuzhiyun setup_fn();
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
intel_mid_scu_setup(void)41*4882a593Smuzhiyun static void intel_mid_scu_setup(void)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun intel_scu_devices_create();
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun static const struct pci_device_id pci_ids[] = {
47*4882a593Smuzhiyun { PCI_VDEVICE(INTEL, 0x080e),
48*4882a593Smuzhiyun .driver_data = (kernel_ulong_t)intel_mid_scu_setup },
49*4882a593Smuzhiyun { PCI_VDEVICE(INTEL, 0x08ea),
50*4882a593Smuzhiyun .driver_data = (kernel_ulong_t)intel_mid_scu_setup },
51*4882a593Smuzhiyun { PCI_VDEVICE(INTEL, 0x0a94) },
52*4882a593Smuzhiyun { PCI_VDEVICE(INTEL, 0x11a0),
53*4882a593Smuzhiyun .driver_data = (kernel_ulong_t)intel_mid_scu_setup },
54*4882a593Smuzhiyun { PCI_VDEVICE(INTEL, 0x1a94) },
55*4882a593Smuzhiyun { PCI_VDEVICE(INTEL, 0x5a94) },
56*4882a593Smuzhiyun {}
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun static struct pci_driver intel_scu_pci_driver = {
60*4882a593Smuzhiyun .driver = {
61*4882a593Smuzhiyun .suppress_bind_attrs = true,
62*4882a593Smuzhiyun },
63*4882a593Smuzhiyun .name = "intel_scu",
64*4882a593Smuzhiyun .id_table = pci_ids,
65*4882a593Smuzhiyun .probe = intel_scu_pci_probe,
66*4882a593Smuzhiyun };
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun builtin_pci_driver(intel_scu_pci_driver);
69