1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <acpi/acpigen_pci.h>
#include <device/device.h>
#include <device/pci.h>
#include "chip.h"
static const char *pcie_generic_acpi_name(const struct device *dev)
{
return "DEV0";
}
static void pcie_generic_fill_ssdt(const struct device *dev)
{
struct drivers_pcie_generic_config *config;
struct acpi_dp *dsd;
if (!is_dev_enabled(dev))
return;
pci_rom_ssdt(dev);
config = dev->chip_info;
if (!config || !config->is_untrusted || !dev->bus || !dev->bus->dev)
return;
const char *scope = acpi_device_path(dev->bus->dev);
const char *name = acpi_device_name(dev);
acpigen_write_scope(scope);
acpigen_write_device(name);
acpigen_write_ADR_pci_device(dev);
dsd = acpi_dp_new_table("_DSD");
acpi_dp_add_integer(dsd, "DmaProperty", 1);
acpi_dp_write(dsd);
acpigen_write_device_end();
acpigen_write_scope_end();
printk(BIOS_INFO, "%s.%s: Enable ACPI properties for %s (%s)\n", scope, name,
dev_path(dev), dev->chip_ops->name);
}
struct device_operations pcie_generic_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pci_dev_init,
.ops_pci = &pci_dev_ops_pci,
.acpi_name = pcie_generic_acpi_name,
.acpi_fill_ssdt = pcie_generic_fill_ssdt,
};
static void pcie_generic_enable(struct device *dev)
{
dev->ops = &pcie_generic_ops;
}
struct chip_operations drivers_pcie_generic_ops = {
CHIP_NAME("PCIe Device")
.enable_dev = pcie_generic_enable
};
|
