1 /* SPDX-License-Identifier: GPL-2.0-or-later
3 * DMI based code to deal with broken DSDTs on X86 tablets which ship with
4 * Android as (part of) the factory image. The factory kernels shipped on these
5 * devices typically have a bunch of things hardcoded, rather than specified
10 #ifndef __PDX86_X86_ANDROID_TABLETS_H
11 #define __PDX86_X86_ANDROID_TABLETS_H
13 #include <linux/gpio/consumer.h>
14 #include <linux/gpio_keys.h>
15 #include <linux/i2c.h>
16 #include <linux/irqdomain_defs.h>
19 struct gpiod_lookup_table;
20 struct platform_device_info;
24 * Helpers to get Linux IRQ numbers given a description of the IRQ source
25 * (either IOAPIC index, or GPIO chip name + pin-number).
27 enum x86_acpi_irq_type {
28 X86_ACPI_IRQ_TYPE_NONE,
29 X86_ACPI_IRQ_TYPE_APIC,
30 X86_ACPI_IRQ_TYPE_GPIOINT,
31 X86_ACPI_IRQ_TYPE_PMIC,
34 struct x86_acpi_irq_data {
35 char *chip; /* GPIO chip label (GPIOINT) or PMIC ACPI path (PMIC) */
36 enum x86_acpi_irq_type type;
37 enum irq_domain_bus_token domain;
39 int trigger; /* ACPI_EDGE_SENSITIVE / ACPI_LEVEL_SENSITIVE */
40 int polarity; /* ACPI_ACTIVE_HIGH / ACPI_ACTIVE_LOW / ACPI_ACTIVE_BOTH */
44 /* Structs to describe devices to instantiate */
45 struct x86_i2c_client_info {
46 struct i2c_board_info board_info;
48 struct x86_acpi_irq_data irq_data;
51 struct x86_serdev_info {
54 const char *ctrl_devname;
56 * ATM the serdev core only supports of or ACPI matching; and sofar all
57 * Android x86 tablets DSDTs have usable serdev nodes, but sometimes
58 * under the wrong controller. So we just tie the existing serdev ACPI
59 * node to the right controller.
61 const char *serdev_hid;
64 struct x86_gpio_button {
65 struct gpio_keys_button button;
71 const char * const *modules;
72 const struct software_node *bat_swnode;
73 struct gpiod_lookup_table * const *gpiod_lookup_tables;
74 const struct x86_i2c_client_info *i2c_client_info;
75 const struct platform_device_info *pdev_info;
76 const struct x86_serdev_info *serdev_info;
77 const struct x86_gpio_button *gpio_button;
81 int gpio_button_count;
86 int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id,
87 bool active_low, enum gpiod_flags dflags,
88 struct gpio_desc **desc);
89 int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data);
92 * Extern declarations of x86_dev_info structs so there can be a single
93 * MODULE_DEVICE_TABLE(dmi, ...), while splitting the board descriptions.
95 extern const struct x86_dev_info acer_b1_750_info;
96 extern const struct x86_dev_info advantech_mica_071_info;
97 extern const struct x86_dev_info asus_me176c_info;
98 extern const struct x86_dev_info asus_tf103c_info;
99 extern const struct x86_dev_info chuwi_hi8_info;
100 extern const struct x86_dev_info cyberbook_t116_info;
101 extern const struct x86_dev_info czc_p10t;
102 extern const struct x86_dev_info lenovo_yogabook_x90_info;
103 extern const struct x86_dev_info lenovo_yogabook_x91_info;
104 extern const struct x86_dev_info lenovo_yoga_tab2_830_1050_info;
105 extern const struct x86_dev_info lenovo_yt3_info;
106 extern const struct x86_dev_info medion_lifetab_s10346_info;
107 extern const struct x86_dev_info nextbook_ares8_info;
108 extern const struct x86_dev_info nextbook_ares8a_info;
109 extern const struct x86_dev_info peaq_c1010_info;
110 extern const struct x86_dev_info whitelabel_tm800a550l_info;
111 extern const struct x86_dev_info xiaomi_mipad2_info;
112 extern const struct dmi_system_id x86_android_tablet_ids[];