// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Touchscreen driver DMI based configuration code
*
* Copyright (c) 2017 Red Hat Inc.
*
* Red Hat authors:
* Hans de Goede <hdegoede@redhat.com>
*/
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/efi_embedded_fw.h>
#include <linux/i2c.h>
#include <linux/notifier.h>
#include <linux/property.h>
#include <linux/string.h>
struct ts_dmi_data {
/* The EFI embedded-fw code expects this to be the first member! */
struct efi_embedded_fw_desc embedded_fw;
const char *acpi_name;
const struct property_entry *properties;
};
/* NOTE: Please keep all entries sorted alphabetically */
static const struct property_entry chuwi_hi8_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_BOOL("silead,home-button"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
{ }
};
static const struct ts_dmi_data chuwi_hi8_data = {
.acpi_name = "MSSL0001:00",
.properties = chuwi_hi8_props,
};
static const struct property_entry chuwi_hi8_air_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-hi8-air.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
{ }
};
static const struct ts_dmi_data chuwi_hi8_air_data = {
.acpi_name = "MSSL1680:00",
.properties = chuwi_hi8_air_props,
};
static const struct property_entry chuwi_hi8_pro_props[] = {
PROPERTY_ENTRY_U32("touchscreen-min-x", 6),
PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
PROPERTY_ENTRY_BOOL("silead,home-button"),
{ }
};
static const struct ts_dmi_data chuwi_hi8_pro_data = {
.embedded_fw = {
.name = "silead/gsl3680-chuwi-hi8-pro.fw",
.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
.length = 39864,
.sha256 = { 0xc0, 0x88, 0xc5, 0xef,