Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  *  Driver for Dell laptop extras
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  *  Copyright (c) Red Hat <mjg@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  *  Copyright (c) 2014 Gabriele Mazzotta <gabriele.mzt@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  *  Copyright (c) 2014 Pali Rohár <pali@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  *  Based on documentation in the libsmbios package:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  *  Copyright (C) 2005-2014 Dell Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include <linux/backlight.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include <linux/rfkill.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) #include <linux/i8042.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) #include <acpi/video.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) #include "dell-rbtn.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) #include "dell-smbios.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) struct quirk_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) 	bool touchpad_led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) 	bool kbd_led_not_present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) 	bool kbd_led_levels_off_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) 	bool kbd_missing_ac_tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) 	bool needs_kbd_timeouts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) 	 * Ordered list of timeouts expressed in seconds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) 	 * The list must end with -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) 	int kbd_timeouts[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) static struct quirk_entry *quirks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) static struct quirk_entry quirk_dell_vostro_v130 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) 	.touchpad_led = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) static int __init dmi_matched(const struct dmi_system_id *dmi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) 	quirks = dmi->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61)  * These values come from Windows utility provided by Dell. If any other value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62)  * is used then BIOS silently set timeout to 0 without any error message.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) static struct quirk_entry quirk_dell_xps13_9333 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) 	.needs_kbd_timeouts = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) 	.kbd_timeouts = { 0, 5, 15, 60, 5 * 60, 15 * 60, -1 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) static struct quirk_entry quirk_dell_xps13_9370 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) 	.kbd_missing_ac_tag = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) static struct quirk_entry quirk_dell_latitude_e6410 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 	.kbd_led_levels_off_1 = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) static struct quirk_entry quirk_dell_inspiron_1012 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	.kbd_led_not_present = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) static struct platform_driver platform_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 		.name = "dell-laptop",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) static struct platform_device *platform_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) static struct backlight_device *dell_backlight_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) static struct rfkill *wifi_rfkill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) static struct rfkill *bluetooth_rfkill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) static struct rfkill *wwan_rfkill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) static bool force_rfkill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) module_param(force_rfkill, bool, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) MODULE_PARM_DESC(force_rfkill, "enable rfkill on non whitelisted models");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) static const struct dmi_system_id dell_device_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 		.ident = "Dell laptop",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 			DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /*Laptop*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /*Notebook*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 			DMI_MATCH(DMI_CHASSIS_TYPE, "30"), /*Tablet*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 			DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /*Convertible*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 			DMI_MATCH(DMI_CHASSIS_TYPE, "32"), /*Detachable*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 		.ident = "Dell Computer Corporation",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 			DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) MODULE_DEVICE_TABLE(dmi, dell_device_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) static const struct dmi_system_id dell_quirks[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 		.ident = "Dell Vostro V130",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V130"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 		.ident = "Dell Vostro V131",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 		.ident = "Dell Vostro 3350",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 		.ident = "Dell Vostro 3555",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3555"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 		.ident = "Dell Inspiron N311z",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron N311z"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 		.ident = "Dell Inspiron M5110",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron M5110"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 		.ident = "Dell Vostro 3360",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3360"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 		.ident = "Dell Vostro 3460",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3460"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 		.ident = "Dell Vostro 3560",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3560"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 		.ident = "Dell Vostro 3450",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 			DMI_MATCH(DMI_PRODUCT_NAME, "Dell System Vostro 3450"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 		.ident = "Dell Inspiron 5420",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5420"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 		.ident = "Dell Inspiron 5520",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5520"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 		.ident = "Dell Inspiron 5720",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5720"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 		.ident = "Dell Inspiron 7420",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7420"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 		.ident = "Dell Inspiron 7520",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 		.ident = "Dell Inspiron 7720",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7720"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 		.driver_data = &quirk_dell_vostro_v130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 		.ident = "Dell XPS13 9333",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 		.driver_data = &quirk_dell_xps13_9333,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 		.ident = "Dell XPS 13 9370",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9370"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 		.driver_data = &quirk_dell_xps13_9370,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 		.ident = "Dell Latitude E6410",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6410"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 		.driver_data = &quirk_dell_latitude_e6410,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 		.ident = "Dell Inspiron 1012",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 		.driver_data = &quirk_dell_inspiron_1012,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 		.callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 		.ident = "Dell Inspiron 1018",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1018"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 		.driver_data = &quirk_dell_inspiron_1012,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) static void dell_fill_request(struct calling_interface_buffer *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 			       u32 arg0, u32 arg1, u32 arg2, u32 arg3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 	memset(buffer, 0, sizeof(struct calling_interface_buffer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	buffer->input[0] = arg0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 	buffer->input[1] = arg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 	buffer->input[2] = arg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 	buffer->input[3] = arg3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) static int dell_send_request(struct calling_interface_buffer *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 			     u16 class, u16 select)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	buffer->cmd_class = class;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 	buffer->cmd_select = select;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 	ret = dell_smbios_call(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	return dell_smbios_error(buffer->output[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363)  * Derived from information in smbios-wireless-ctl:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365)  * cbSelect 17, Value 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367)  * Return Wireless Info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368)  * cbArg1, byte0 = 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370)  *     cbRes1 Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371)  *     cbRes2 Info bit flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373)  *     0 Hardware switch supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374)  *     1 WiFi locator supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375)  *     2 WLAN supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376)  *     3 Bluetooth (BT) supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377)  *     4 WWAN supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378)  *     5 Wireless KBD supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379)  *     6 Uw b supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380)  *     7 WiGig supported (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381)  *     8 WLAN installed (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382)  *     9 BT installed (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383)  *     10 WWAN installed (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384)  *     11 Uw b installed (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385)  *     12 WiGig installed (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386)  *     13-15 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387)  *     16 Hardware (HW) switch is On (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388)  *     17 WLAN disabled (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389)  *     18 BT disabled (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390)  *     19 WWAN disabled (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391)  *     20 Uw b disabled (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392)  *     21 WiGig disabled (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393)  *     20-31 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395)  *     cbRes3 NVRAM size in bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396)  *     cbRes4, byte 0 NVRAM format version number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399)  * Set QuickSet Radio Disable Flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400)  *     cbArg1, byte0 = 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401)  *     cbArg1, byte1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402)  *     Radio ID     value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403)  *     0        Radio Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404)  *     1        WLAN ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405)  *     2        BT ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406)  *     3        WWAN ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407)  *     4        UWB ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408)  *     5        WIGIG ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409)  *     cbArg1, byte2    Flag bits:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410)  *             0 QuickSet disables radio (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411)  *             1-7 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413)  *     cbRes1    Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414)  *     cbRes2    QuickSet (QS) radio disable bit map:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415)  *     0 QS disables WLAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416)  *     1 QS disables BT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417)  *     2 QS disables WWAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418)  *     3 QS disables UWB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419)  *     4 QS disables WIGIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420)  *     5-31 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422)  * Wireless Switch Configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423)  *     cbArg1, byte0 = 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425)  *     cbArg1, byte1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426)  *     Subcommand:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427)  *     0 Get config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428)  *     1 Set config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429)  *     2 Set WiFi locator enable/disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430)  *     cbArg1,byte2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431)  *     Switch settings (if byte 1==1):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432)  *     0 WLAN sw itch control (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433)  *     1 BT sw itch control (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434)  *     2 WWAN sw itch control (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435)  *     3 UWB sw itch control (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436)  *     4 WiGig sw itch control (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437)  *     5-7 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438)  *    cbArg1, byte2 Enable bits (if byte 1==2):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439)  *     0 Enable WiFi locator (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441)  *    cbRes1     Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442)  *    cbRes2 QuickSet radio disable bit map:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443)  *     0 WLAN controlled by sw itch (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444)  *     1 BT controlled by sw itch (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445)  *     2 WWAN controlled by sw itch (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446)  *     3 UWB controlled by sw itch (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447)  *     4 WiGig controlled by sw itch (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448)  *     5-6 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449)  *     7 Wireless sw itch config locked (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450)  *     8 WiFi locator enabled (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451)  *     9-14 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452)  *     15 WiFi locator setting locked (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453)  *     16-31 Reserved (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455)  * Read Local Config Data (LCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456)  *     cbArg1, byte0 = 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457)  *     cbArg1, byte1 NVRAM index low byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458)  *     cbArg1, byte2 NVRAM index high byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459)  *     cbRes1 Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460)  *     cbRes2 4 bytes read from LCD[index]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461)  *     cbRes3 4 bytes read from LCD[index+4]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462)  *     cbRes4 4 bytes read from LCD[index+8]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464)  * Write Local Config Data (LCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465)  *     cbArg1, byte0 = 0x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466)  *     cbArg1, byte1 NVRAM index low byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467)  *     cbArg1, byte2 NVRAM index high byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468)  *     cbArg2 4 bytes to w rite at LCD[index]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469)  *     cbArg3 4 bytes to w rite at LCD[index+4]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470)  *     cbArg4 4 bytes to w rite at LCD[index+8]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471)  *     cbRes1 Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473)  * Populate Local Config Data from NVRAM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474)  *     cbArg1, byte0 = 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475)  *     cbRes1 Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477)  * Commit Local Config Data to NVRAM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478)  *     cbArg1, byte0 = 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479)  *     cbRes1 Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) static int dell_rfkill_set(void *data, bool blocked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 	int disable = blocked ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	unsigned long radio = (unsigned long)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	int hwswitch_bit = (unsigned long)data - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 	int hwswitch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 	int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 	dell_fill_request(&buffer, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 	status = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 	dell_fill_request(&buffer, 0x2, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 	hwswitch = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 	/* If the hardware switch controls this radio, and the hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 	   switch is disabled, always disable the radio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	if (ret == 0 && (hwswitch & BIT(hwswitch_bit)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 	    (status & BIT(0)) && !(status & BIT(16)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 		disable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 	dell_fill_request(&buffer, 1 | (radio<<8) | (disable << 16), 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 					int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 	if (status & BIT(0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 		/* Has hw-switch, sync sw_state to BIOS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 		struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 		int block = rfkill_blocked(rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 		dell_fill_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 				   1 | (radio << 8) | (block << 16), 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 		dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 		/* No hw-switch, sync BIOS state to sw_state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 		rfkill_set_sw_state(rfkill, !!(status & BIT(radio + 16)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) static void dell_rfkill_update_hw_state(struct rfkill *rfkill, int radio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 					int status, int hwswitch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 	if (hwswitch & (BIT(radio - 1)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 		rfkill_set_hw_state(rfkill, !(status & BIT(16)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) static void dell_rfkill_query(struct rfkill *rfkill, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	int radio = ((unsigned long)data & 0xF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 	int hwswitch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 	int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 	dell_fill_request(&buffer, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	status = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 	if (ret != 0 || !(status & BIT(0))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 	dell_fill_request(&buffer, 0x2, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 	hwswitch = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	dell_rfkill_update_hw_state(rfkill, radio, status, hwswitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) static const struct rfkill_ops dell_rfkill_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 	.set_block = dell_rfkill_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 	.query = dell_rfkill_query,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) static struct dentry *dell_laptop_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) static int dell_debugfs_show(struct seq_file *s, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 	int hwswitch_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	int hwswitch_ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	dell_fill_request(&buffer, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	status = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 	dell_fill_request(&buffer, 0x2, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 	hwswitch_ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 	if (hwswitch_ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 		return hwswitch_ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	hwswitch_state = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 	seq_printf(s, "return:\t%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 	seq_printf(s, "status:\t0x%X\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	seq_printf(s, "Bit 0 : Hardware switch supported:   %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 		   status & BIT(0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 	seq_printf(s, "Bit 1 : Wifi locator supported:      %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 		  (status & BIT(1)) >> 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 	seq_printf(s, "Bit 2 : Wifi is supported:           %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 		  (status & BIT(2)) >> 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 	seq_printf(s, "Bit 3 : Bluetooth is supported:      %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 		  (status & BIT(3)) >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 	seq_printf(s, "Bit 4 : WWAN is supported:           %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 		  (status & BIT(4)) >> 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 	seq_printf(s, "Bit 5 : Wireless keyboard supported: %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 		  (status & BIT(5)) >> 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 	seq_printf(s, "Bit 6 : UWB supported:               %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 		  (status & BIT(6)) >> 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 	seq_printf(s, "Bit 7 : WiGig supported:             %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		  (status & BIT(7)) >> 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 	seq_printf(s, "Bit 8 : Wifi is installed:           %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 		  (status & BIT(8)) >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 	seq_printf(s, "Bit 9 : Bluetooth is installed:      %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 		  (status & BIT(9)) >> 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 	seq_printf(s, "Bit 10: WWAN is installed:           %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 		  (status & BIT(10)) >> 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 	seq_printf(s, "Bit 11: UWB installed:               %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		  (status & BIT(11)) >> 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 	seq_printf(s, "Bit 12: WiGig installed:             %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 		  (status & BIT(12)) >> 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 	seq_printf(s, "Bit 16: Hardware switch is on:       %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 		  (status & BIT(16)) >> 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 	seq_printf(s, "Bit 17: Wifi is blocked:             %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 		  (status & BIT(17)) >> 17);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 	seq_printf(s, "Bit 18: Bluetooth is blocked:        %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 		  (status & BIT(18)) >> 18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 	seq_printf(s, "Bit 19: WWAN is blocked:             %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 		  (status & BIT(19)) >> 19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 	seq_printf(s, "Bit 20: UWB is blocked:              %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 		  (status & BIT(20)) >> 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 	seq_printf(s, "Bit 21: WiGig is blocked:            %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 		  (status & BIT(21)) >> 21);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 	seq_printf(s, "\nhwswitch_return:\t%d\n", hwswitch_ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	seq_printf(s, "hwswitch_state:\t0x%X\n", hwswitch_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 	seq_printf(s, "Bit 0 : Wifi controlled by switch:      %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 		   hwswitch_state & BIT(0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 	seq_printf(s, "Bit 1 : Bluetooth controlled by switch: %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 		   (hwswitch_state & BIT(1)) >> 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 	seq_printf(s, "Bit 2 : WWAN controlled by switch:      %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 		   (hwswitch_state & BIT(2)) >> 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 	seq_printf(s, "Bit 3 : UWB controlled by switch:       %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 		   (hwswitch_state & BIT(3)) >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 	seq_printf(s, "Bit 4 : WiGig controlled by switch:     %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 		   (hwswitch_state & BIT(4)) >> 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 	seq_printf(s, "Bit 7 : Wireless switch config locked:  %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 		   (hwswitch_state & BIT(7)) >> 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 	seq_printf(s, "Bit 8 : Wifi locator enabled:           %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 		   (hwswitch_state & BIT(8)) >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 	seq_printf(s, "Bit 15: Wifi locator setting locked:    %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 		   (hwswitch_state & BIT(15)) >> 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) DEFINE_SHOW_ATTRIBUTE(dell_debugfs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) static void dell_update_rfkill(struct work_struct *ignored)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 	int hwswitch = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	dell_fill_request(&buffer, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	status = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 	dell_fill_request(&buffer, 0x2, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	if (ret == 0 && (status & BIT(0)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 		hwswitch = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 	if (wifi_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 		dell_rfkill_update_hw_state(wifi_rfkill, 1, status, hwswitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 		dell_rfkill_update_sw_state(wifi_rfkill, 1, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 	if (bluetooth_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 		dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 					    hwswitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 		dell_rfkill_update_sw_state(bluetooth_rfkill, 2, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 	if (wwan_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 		dell_rfkill_update_hw_state(wwan_rfkill, 3, status, hwswitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 		dell_rfkill_update_sw_state(wwan_rfkill, 3, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) static bool dell_laptop_i8042_filter(unsigned char data, unsigned char str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 			      struct serio *port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 	static bool extended;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 	if (str & I8042_STR_AUXDATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 	if (unlikely(data == 0xe0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 		extended = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 	} else if (unlikely(extended)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 		switch (data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 		case 0x8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 			schedule_delayed_work(&dell_rfkill_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 					      round_jiffies_relative(HZ / 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 		extended = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) static int (*dell_rbtn_notifier_register_func)(struct notifier_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) static int (*dell_rbtn_notifier_unregister_func)(struct notifier_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) static int dell_laptop_rbtn_notifier_call(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 					  unsigned long action, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	schedule_delayed_work(&dell_rfkill_work, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 	return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) static struct notifier_block dell_laptop_rbtn_notifier = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 	.notifier_call = dell_laptop_rbtn_notifier_call,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) static int __init dell_setup_rfkill(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 	int status, ret, whitelisted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 	const char *product;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	 * rfkill support causes trouble on various models, mostly Inspirons.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	 * So we whitelist certain series, and don't support rfkill on others.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	whitelisted = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	product = dmi_get_system_info(DMI_PRODUCT_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	if (product &&  (strncmp(product, "Latitude", 8) == 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 			 strncmp(product, "Precision", 9) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 		whitelisted = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 	if (!force_rfkill && !whitelisted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 	dell_fill_request(&buffer, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 	ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 	status = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	/* dell wireless info smbios call is not supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 	/* rfkill is only tested on laptops with a hwswitch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 	if (!(status & BIT(0)) && !force_rfkill)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 	if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 		wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 					   RFKILL_TYPE_WLAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 					   &dell_rfkill_ops, (void *) 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 		if (!wifi_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 			goto err_wifi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 		ret = rfkill_register(wifi_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 			goto err_wifi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 	if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 		bluetooth_rfkill = rfkill_alloc("dell-bluetooth",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 						&platform_device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 						RFKILL_TYPE_BLUETOOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 						&dell_rfkill_ops, (void *) 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 		if (!bluetooth_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 			goto err_bluetooth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 		ret = rfkill_register(bluetooth_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 			goto err_bluetooth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 		wwan_rfkill = rfkill_alloc("dell-wwan",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 					   &platform_device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 					   RFKILL_TYPE_WWAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 					   &dell_rfkill_ops, (void *) 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 		if (!wwan_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 			goto err_wwan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		ret = rfkill_register(wwan_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 			goto err_wwan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 	 * Dell Airplane Mode Switch driver (dell-rbtn) supports ACPI devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 	 * which can receive events from HW slider switch.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 	 * Dell SMBIOS on whitelisted models supports controlling radio devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 	 * but does not support receiving HW button switch events. We can use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 	 * i8042 filter hook function to receive keyboard data and handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 	 * keycode for HW button.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 	 * So if it is possible we will use Dell Airplane Mode Switch ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 	 * driver for receiving HW events and Dell SMBIOS for setting rfkill
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 	 * states. If ACPI driver or device is not available we will fallback to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 	 * i8042 filter hook function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 	 * To prevent duplicate rfkill devices which control and do same thing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 	 * dell-rbtn driver will automatically remove its own rfkill devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 	 * once function dell_rbtn_notifier_register() is called.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 	dell_rbtn_notifier_register_func =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 		symbol_request(dell_rbtn_notifier_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 	if (dell_rbtn_notifier_register_func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 		dell_rbtn_notifier_unregister_func =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 			symbol_request(dell_rbtn_notifier_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 		if (!dell_rbtn_notifier_unregister_func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 			symbol_put(dell_rbtn_notifier_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 			dell_rbtn_notifier_register_func = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	if (dell_rbtn_notifier_register_func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 		ret = dell_rbtn_notifier_register_func(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 			&dell_laptop_rbtn_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 		symbol_put(dell_rbtn_notifier_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 		dell_rbtn_notifier_register_func = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 		if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 			symbol_put(dell_rbtn_notifier_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 			dell_rbtn_notifier_unregister_func = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 		pr_info("Symbols from dell-rbtn acpi driver are not available\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 		ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 		pr_info("Using dell-rbtn acpi driver for receiving events\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 	} else if (ret != -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 		pr_warn("Unable to register dell rbtn notifier\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 		goto err_filter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 		ret = i8042_install_filter(dell_laptop_i8042_filter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 			pr_warn("Unable to install key filter\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 			goto err_filter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 		pr_info("Using i8042 filter function for receiving events\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) err_filter:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 	if (wwan_rfkill)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 		rfkill_unregister(wwan_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) err_wwan:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 	rfkill_destroy(wwan_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 	if (bluetooth_rfkill)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 		rfkill_unregister(bluetooth_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) err_bluetooth:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	rfkill_destroy(bluetooth_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 	if (wifi_rfkill)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 		rfkill_unregister(wifi_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) err_wifi:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 	rfkill_destroy(wifi_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) static void dell_cleanup_rfkill(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 	if (dell_rbtn_notifier_unregister_func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		dell_rbtn_notifier_unregister_func(&dell_laptop_rbtn_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 		symbol_put(dell_rbtn_notifier_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 		dell_rbtn_notifier_unregister_func = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 		i8042_remove_filter(dell_laptop_i8042_filter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	cancel_delayed_work_sync(&dell_rfkill_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 	if (wifi_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 		rfkill_unregister(wifi_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 		rfkill_destroy(wifi_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 	if (bluetooth_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 		rfkill_unregister(bluetooth_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 		rfkill_destroy(bluetooth_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 	if (wwan_rfkill) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 		rfkill_unregister(wwan_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 		rfkill_destroy(wwan_rfkill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) static int dell_send_intensity(struct backlight_device *bd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 	struct calling_interface_token *token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 	token = dell_smbios_find_token(BRIGHTNESS_TOKEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 	if (!token)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 	dell_fill_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 			   token->location, bd->props.brightness, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 	if (power_supply_is_system_supplied() > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 		ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 					CLASS_TOKEN_WRITE, SELECT_TOKEN_AC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 		ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 					CLASS_TOKEN_WRITE, SELECT_TOKEN_BAT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) static int dell_get_intensity(struct backlight_device *bd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 	struct calling_interface_token *token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 	token = dell_smbios_find_token(BRIGHTNESS_TOKEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	if (!token)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 	dell_fill_request(&buffer, token->location, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 	if (power_supply_is_system_supplied() > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 		ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 					CLASS_TOKEN_READ, SELECT_TOKEN_AC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 		ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 					CLASS_TOKEN_READ, SELECT_TOKEN_BAT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 	if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 		ret = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) static const struct backlight_ops dell_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 	.get_brightness = dell_get_intensity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 	.update_status  = dell_send_intensity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) static void touchpad_led_on(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 	int command = 0x97;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 	char data = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	i8042_command(&data, command | 1 << 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) static void touchpad_led_off(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 	int command = 0x97;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	char data = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	i8042_command(&data, command | 1 << 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) static void touchpad_led_set(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 	if (value > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 		touchpad_led_on();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 		touchpad_led_off();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) static struct led_classdev touchpad_led = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	.name = "dell-laptop::touchpad",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 	.brightness_set = touchpad_led_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	.flags = LED_CORE_SUSPENDRESUME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) static int __init touchpad_led_init(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 	return led_classdev_register(dev, &touchpad_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) static void touchpad_led_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 	led_classdev_unregister(&touchpad_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992)  * Derived from information in smbios-keyboard-ctl:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994)  * cbClass 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995)  * cbSelect 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996)  * Keyboard illumination
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997)  * cbArg1 determines the function to be performed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999)  * cbArg1 0x0 = Get Feature Information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000)  *  cbRES1         Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001)  *  cbRES2, word0  Bitmap of user-selectable modes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002)  *     bit 0     Always off (All systems)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)  *     bit 1     Always on (Travis ATG, Siberia)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004)  *     bit 2     Auto: ALS-based On; ALS-based Off (Travis ATG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)  *     bit 3     Auto: ALS- and input-activity-based On; input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006)  *     bit 4     Auto: Input-activity-based On; input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007)  *     bit 5     Auto: Input-activity-based On (illumination level 25%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)  *     bit 6     Auto: Input-activity-based On (illumination level 50%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009)  *     bit 7     Auto: Input-activity-based On (illumination level 75%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010)  *     bit 8     Auto: Input-activity-based On (illumination level 100%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)  *     bits 9-15 Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012)  *  cbRES2, byte2  Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)  *  cbRES2, byte3  Keyboard illumination type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)  *     0         Reserved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015)  *     1         Tasklight
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)  *     2         Backlight
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017)  *     3-255     Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018)  *  cbRES3, byte0  Supported auto keyboard illumination trigger bitmap.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)  *     bit 0     Any keystroke
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020)  *     bit 1     Touchpad activity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021)  *     bit 2     Pointing stick
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022)  *     bit 3     Any mouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023)  *     bits 4-7  Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024)  *  cbRES3, byte1  Supported timeout unit bitmap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025)  *     bit 0     Seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026)  *     bit 1     Minutes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027)  *     bit 2     Hours
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)  *     bit 3     Days
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)  *     bits 4-7  Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)  *  cbRES3, byte2  Number of keyboard light brightness levels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031)  *  cbRES4, byte0  Maximum acceptable seconds value (0 if seconds not supported).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)  *  cbRES4, byte1  Maximum acceptable minutes value (0 if minutes not supported).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033)  *  cbRES4, byte2  Maximum acceptable hours value (0 if hours not supported).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034)  *  cbRES4, byte3  Maximum acceptable days value (0 if days not supported)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036)  * cbArg1 0x1 = Get Current State
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)  *  cbRES1         Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038)  *  cbRES2, word0  Bitmap of current mode state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039)  *     bit 0     Always off (All systems)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)  *     bit 1     Always on (Travis ATG, Siberia)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041)  *     bit 2     Auto: ALS-based On; ALS-based Off (Travis ATG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042)  *     bit 3     Auto: ALS- and input-activity-based On; input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)  *     bit 4     Auto: Input-activity-based On; input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044)  *     bit 5     Auto: Input-activity-based On (illumination level 25%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045)  *     bit 6     Auto: Input-activity-based On (illumination level 50%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046)  *     bit 7     Auto: Input-activity-based On (illumination level 75%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)  *     bit 8     Auto: Input-activity-based On (illumination level 100%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048)  *     bits 9-15 Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049)  *     Note: Only One bit can be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050)  *  cbRES2, byte2  Currently active auto keyboard illumination triggers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051)  *     bit 0     Any keystroke
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)  *     bit 1     Touchpad activity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053)  *     bit 2     Pointing stick
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054)  *     bit 3     Any mouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055)  *     bits 4-7  Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056)  *  cbRES2, byte3  Current Timeout on battery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057)  *     bits 7:6  Timeout units indicator:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058)  *     00b       Seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)  *     01b       Minutes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060)  *     10b       Hours
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)  *     11b       Days
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)  *     bits 5:0  Timeout value (0-63) in sec/min/hr/day
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)  *     NOTE: A value of 0 means always on (no timeout) if any bits of RES3 byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064)  *     are set upon return from the [Get feature information] call.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065)  *  cbRES3, byte0  Current setting of ALS value that turns the light on or off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)  *  cbRES3, byte1  Current ALS reading
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)  *  cbRES3, byte2  Current keyboard light level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068)  *  cbRES3, byte3  Current timeout on AC Power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069)  *     bits 7:6  Timeout units indicator:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070)  *     00b       Seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071)  *     01b       Minutes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072)  *     10b       Hours
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073)  *     11b       Days
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074)  *     Bits 5:0  Timeout value (0-63) in sec/min/hr/day
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075)  *     NOTE: A value of 0 means always on (no timeout) if any bits of RES3 byte2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076)  *     are set upon return from the upon return from the [Get Feature information] call.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078)  * cbArg1 0x2 = Set New State
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079)  *  cbRES1         Standard return codes (0, -1, -2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)  *  cbArg2, word0  Bitmap of current mode state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)  *     bit 0     Always off (All systems)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082)  *     bit 1     Always on (Travis ATG, Siberia)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)  *     bit 2     Auto: ALS-based On; ALS-based Off (Travis ATG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084)  *     bit 3     Auto: ALS- and input-activity-based On; input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085)  *     bit 4     Auto: Input-activity-based On; input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086)  *     bit 5     Auto: Input-activity-based On (illumination level 25%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)  *     bit 6     Auto: Input-activity-based On (illumination level 50%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088)  *     bit 7     Auto: Input-activity-based On (illumination level 75%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)  *     bit 8     Auto: Input-activity-based On (illumination level 100%); input-activity based Off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090)  *     bits 9-15 Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091)  *     Note: Only One bit can be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092)  *  cbArg2, byte2  Desired auto keyboard illumination triggers. Must remain inactive to allow
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)  *                 keyboard to turn off automatically.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)  *     bit 0     Any keystroke
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095)  *     bit 1     Touchpad activity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096)  *     bit 2     Pointing stick
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097)  *     bit 3     Any mouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)  *     bits 4-7  Reserved for future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099)  *  cbArg2, byte3  Desired Timeout on battery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)  *     bits 7:6  Timeout units indicator:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101)  *     00b       Seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102)  *     01b       Minutes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)  *     10b       Hours
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)  *     11b       Days
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)  *     bits 5:0  Timeout value (0-63) in sec/min/hr/day
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)  *  cbArg3, byte0  Desired setting of ALS value that turns the light on or off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107)  *  cbArg3, byte2  Desired keyboard light level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108)  *  cbArg3, byte3  Desired Timeout on AC power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)  *     bits 7:6  Timeout units indicator:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)  *     00b       Seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111)  *     01b       Minutes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112)  *     10b       Hours
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)  *     11b       Days
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)  *     bits 5:0  Timeout value (0-63) in sec/min/hr/day
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) enum kbd_timeout_unit {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 	KBD_TIMEOUT_SECONDS = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 	KBD_TIMEOUT_MINUTES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 	KBD_TIMEOUT_HOURS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 	KBD_TIMEOUT_DAYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) enum kbd_mode_bit {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 	KBD_MODE_BIT_OFF = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 	KBD_MODE_BIT_ON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 	KBD_MODE_BIT_ALS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 	KBD_MODE_BIT_TRIGGER_ALS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 	KBD_MODE_BIT_TRIGGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 	KBD_MODE_BIT_TRIGGER_25,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 	KBD_MODE_BIT_TRIGGER_50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 	KBD_MODE_BIT_TRIGGER_75,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 	KBD_MODE_BIT_TRIGGER_100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) #define kbd_is_als_mode_bit(bit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 	((bit) == KBD_MODE_BIT_ALS || (bit) == KBD_MODE_BIT_TRIGGER_ALS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) #define kbd_is_trigger_mode_bit(bit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 	((bit) >= KBD_MODE_BIT_TRIGGER_ALS && (bit) <= KBD_MODE_BIT_TRIGGER_100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) #define kbd_is_level_mode_bit(bit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 	((bit) >= KBD_MODE_BIT_TRIGGER_25 && (bit) <= KBD_MODE_BIT_TRIGGER_100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) struct kbd_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 	u16 modes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 	u8 triggers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 	u8 levels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 	u8 seconds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 	u8 minutes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	u8 hours;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 	u8 days;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) struct kbd_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	u8 mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	u8 triggers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	u8 timeout_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 	u8 timeout_unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	u8 timeout_value_ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 	u8 timeout_unit_ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	u8 als_setting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	u8 als_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	u8 level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) static const int kbd_tokens[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 	KBD_LED_OFF_TOKEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 	KBD_LED_AUTO_25_TOKEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 	KBD_LED_AUTO_50_TOKEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 	KBD_LED_AUTO_75_TOKEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 	KBD_LED_AUTO_100_TOKEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 	KBD_LED_ON_TOKEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) static u16 kbd_token_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) static struct kbd_info kbd_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) static bool kbd_als_supported;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) static bool kbd_triggers_supported;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) static bool kbd_timeout_ac_supported;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) static u8 kbd_mode_levels[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) static int kbd_mode_levels_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) static u8 kbd_previous_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) static u8 kbd_previous_mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) static bool kbd_led_present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) static DEFINE_MUTEX(kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) static enum led_brightness kbd_led_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194)  * NOTE: there are three ways to set the keyboard backlight level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195)  * First, via kbd_state.mode_bit (assigning KBD_MODE_BIT_TRIGGER_* value).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196)  * Second, via kbd_state.level (assigning numerical value <= kbd_info.levels).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)  * Third, via SMBIOS tokens (KBD_LED_* in kbd_tokens)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)  * There are laptops which support only one of these methods. If we want to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)  * support as many machines as possible we need to implement all three methods.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201)  * The first two methods use the kbd_state structure. The third uses SMBIOS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)  * tokens. If kbd_info.levels == 0, the machine does not support setting the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203)  * keyboard backlight level via kbd_state.level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) static int kbd_get_info(struct kbd_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 	u8 units;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 	dell_fill_request(&buffer, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 	ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 				CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 	info->modes = buffer.output[1] & 0xFFFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 	info->type = (buffer.output[1] >> 24) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 	info->triggers = buffer.output[2] & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 	units = (buffer.output[2] >> 8) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 	info->levels = (buffer.output[2] >> 16) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 	if (quirks && quirks->kbd_led_levels_off_1 && info->levels)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 		info->levels--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 	if (units & BIT(0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 		info->seconds = (buffer.output[3] >> 0) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 	if (units & BIT(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 		info->minutes = (buffer.output[3] >> 8) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 	if (units & BIT(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 		info->hours = (buffer.output[3] >> 16) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 	if (units & BIT(3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 		info->days = (buffer.output[3] >> 24) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) static unsigned int kbd_get_max_level(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 	if (kbd_info.levels != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 		return kbd_info.levels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	if (kbd_mode_levels_count > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 		return kbd_mode_levels_count - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) static int kbd_get_level(struct kbd_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	if (kbd_info.levels != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 		return state->level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 	if (kbd_mode_levels_count > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 		for (i = 0; i < kbd_mode_levels_count; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 			if (kbd_mode_levels[i] == state->mode_bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 				return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) static int kbd_set_level(struct kbd_state *state, u8 level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 	if (kbd_info.levels != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 		if (level != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 			kbd_previous_level = level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 		if (state->level == level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 		state->level = level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 		if (level != 0 && state->mode_bit == KBD_MODE_BIT_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 			state->mode_bit = kbd_previous_mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 		else if (level == 0 && state->mode_bit != KBD_MODE_BIT_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 			kbd_previous_mode_bit = state->mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 			state->mode_bit = KBD_MODE_BIT_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	if (kbd_mode_levels_count > 0 && level < kbd_mode_levels_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 		if (level != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 			kbd_previous_level = level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 		state->mode_bit = kbd_mode_levels[level];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) static int kbd_get_state(struct kbd_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 	dell_fill_request(&buffer, 0x1, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 	ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 				CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 	state->mode_bit = ffs(buffer.output[1] & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 	if (state->mode_bit != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 		state->mode_bit--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	state->triggers = (buffer.output[1] >> 16) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	state->timeout_value = (buffer.output[1] >> 24) & 0x3F;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 	state->timeout_unit = (buffer.output[1] >> 30) & 0x3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 	state->als_setting = buffer.output[2] & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 	state->als_value = (buffer.output[2] >> 8) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 	state->level = (buffer.output[2] >> 16) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 	state->timeout_value_ac = (buffer.output[2] >> 24) & 0x3F;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 	state->timeout_unit_ac = (buffer.output[2] >> 30) & 0x3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) static int kbd_set_state(struct kbd_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 	u32 input1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 	u32 input2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 	input1 = BIT(state->mode_bit) & 0xFFFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 	input1 |= (state->triggers & 0xFF) << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	input1 |= (state->timeout_value & 0x3F) << 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 	input1 |= (state->timeout_unit & 0x3) << 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 	input2 = state->als_setting & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 	input2 |= (state->level & 0xFF) << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 	input2 |= (state->timeout_value_ac & 0x3F) << 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 	input2 |= (state->timeout_unit_ac & 0x3) << 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 	dell_fill_request(&buffer, 0x2, input1, input2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 				CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) static int kbd_set_state_safe(struct kbd_state *state, struct kbd_state *old)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 	ret = kbd_set_state(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 	if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 	 * When setting the new state fails,try to restore the previous one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 	 * This is needed on some machines where BIOS sets a default state when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 	 * setting a new state fails. This default state could be all off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 	if (kbd_set_state(old))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 		pr_err("Setting old previous keyboard state failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) static int kbd_set_token_bit(u8 bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 	struct calling_interface_token *token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 	if (bit >= ARRAY_SIZE(kbd_tokens))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 	token = dell_smbios_find_token(kbd_tokens[bit]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	if (!token)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 	dell_fill_request(&buffer, token->location, token->value, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 	ret = dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) static int kbd_get_token_bit(u8 bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 	struct calling_interface_token *token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 	if (bit >= ARRAY_SIZE(kbd_tokens))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	token = dell_smbios_find_token(kbd_tokens[bit]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 	if (!token)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	dell_fill_request(&buffer, token->location, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 	ret = dell_send_request(&buffer, CLASS_TOKEN_READ, SELECT_TOKEN_STD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 	val = buffer.output[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 	return (val == token->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) static int kbd_get_first_active_token_bit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 	for (i = 0; i < ARRAY_SIZE(kbd_tokens); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 		ret = kbd_get_token_bit(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 		if (ret == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 			return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) static int kbd_get_valid_token_counts(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 	return hweight16(kbd_token_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) static inline int kbd_init_info(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 	ret = kbd_get_info(&kbd_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 	/* NOTE: Old models without KBD_LED_AC_TOKEN token supports only one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 	 *       timeout value which is shared for both battery and AC power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 	 *       settings. So do not try to set AC values on old models.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 	if ((quirks && quirks->kbd_missing_ac_tag) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 	    dell_smbios_find_token(KBD_LED_AC_TOKEN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 		kbd_timeout_ac_supported = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 	kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 	/* NOTE: timeout value is stored in 6 bits so max value is 63 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 	if (kbd_info.seconds > 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 		kbd_info.seconds = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 	if (kbd_info.minutes > 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 		kbd_info.minutes = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 	if (kbd_info.hours > 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 		kbd_info.hours = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 	if (kbd_info.days > 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 		kbd_info.days = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 	/* NOTE: On tested machines ON mode did not work and caused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 	 *       problems (turned backlight off) so do not use it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 	kbd_info.modes &= ~BIT(KBD_MODE_BIT_ON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 	kbd_previous_level = kbd_get_level(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 	kbd_previous_mode_bit = state.mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 	if (kbd_previous_level == 0 && kbd_get_max_level() != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 		kbd_previous_level = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 	if (kbd_previous_mode_bit == KBD_MODE_BIT_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 		kbd_previous_mode_bit =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 			ffs(kbd_info.modes & ~BIT(KBD_MODE_BIT_OFF));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 		if (kbd_previous_mode_bit != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 			kbd_previous_mode_bit--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 	if (kbd_info.modes & (BIT(KBD_MODE_BIT_ALS) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 			      BIT(KBD_MODE_BIT_TRIGGER_ALS)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 		kbd_als_supported = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	if (kbd_info.modes & (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 	    BIT(KBD_MODE_BIT_TRIGGER_ALS) | BIT(KBD_MODE_BIT_TRIGGER) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 	    BIT(KBD_MODE_BIT_TRIGGER_25) | BIT(KBD_MODE_BIT_TRIGGER_50) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 	    BIT(KBD_MODE_BIT_TRIGGER_75) | BIT(KBD_MODE_BIT_TRIGGER_100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 	   ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 		kbd_triggers_supported = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 	/* kbd_mode_levels[0] is reserved, see below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 	for (i = 0; i < 16; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 		if (kbd_is_level_mode_bit(i) && (BIT(i) & kbd_info.modes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 			kbd_mode_levels[1 + kbd_mode_levels_count++] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	 * Find the first supported mode and assign to kbd_mode_levels[0].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 	 * This should be 0 (off), but we cannot depend on the BIOS to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 	 * support 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 	if (kbd_mode_levels_count > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 		for (i = 0; i < 16; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 			if (BIT(i) & kbd_info.modes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 				kbd_mode_levels[0] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 		kbd_mode_levels_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) static inline void kbd_init_tokens(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 	for (i = 0; i < ARRAY_SIZE(kbd_tokens); ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 		if (dell_smbios_find_token(kbd_tokens[i]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 			kbd_token_bits |= BIT(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) static void kbd_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) 	if (quirks && quirks->kbd_led_not_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 	ret = kbd_init_info();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 	kbd_init_tokens();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 	 * Only supports keyboard backlight when it has at least two modes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 	if ((ret == 0 && (kbd_info.levels != 0 || kbd_mode_levels_count >= 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	    || kbd_get_valid_token_counts() >= 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 		kbd_led_present = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) static ssize_t kbd_led_timeout_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 				     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 				     const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 	struct kbd_state new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	bool convert;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 	int value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 	char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 	u8 unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	ret = sscanf(buf, "%d %c", &value, &ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	if (ret < 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	else if (ret == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 		ch = 's';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 	if (value < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 	convert = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	switch (ch) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	case 's':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 		if (value > kbd_info.seconds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 			convert = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 		unit = KBD_TIMEOUT_SECONDS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 	case 'm':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 		if (value > kbd_info.minutes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 			convert = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 		unit = KBD_TIMEOUT_MINUTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 	case 'h':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 		if (value > kbd_info.hours)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 			convert = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 		unit = KBD_TIMEOUT_HOURS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 	case 'd':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 		if (value > kbd_info.days)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 			convert = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 		unit = KBD_TIMEOUT_DAYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 	if (quirks && quirks->needs_kbd_timeouts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 		convert = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 	if (convert) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 		/* Convert value from current units to seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 		switch (unit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 		case KBD_TIMEOUT_DAYS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 			value *= 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 			fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 		case KBD_TIMEOUT_HOURS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 			value *= 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 			fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 		case KBD_TIMEOUT_MINUTES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 			value *= 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 			unit = KBD_TIMEOUT_SECONDS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 		if (quirks && quirks->needs_kbd_timeouts) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 			for (i = 0; quirks->kbd_timeouts[i] != -1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 				if (value <= quirks->kbd_timeouts[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 					value = quirks->kbd_timeouts[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 		if (value <= kbd_info.seconds && kbd_info.seconds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 			unit = KBD_TIMEOUT_SECONDS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 		} else if (value / 60 <= kbd_info.minutes && kbd_info.minutes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 			value /= 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 			unit = KBD_TIMEOUT_MINUTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 		} else if (value / (60 * 60) <= kbd_info.hours && kbd_info.hours) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 			value /= (60 * 60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 			unit = KBD_TIMEOUT_HOURS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 		} else if (value / (60 * 60 * 24) <= kbd_info.days && kbd_info.days) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 			value /= (60 * 60 * 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 			unit = KBD_TIMEOUT_DAYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 	mutex_lock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 	new_state = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 	if (kbd_timeout_ac_supported && power_supply_is_system_supplied() > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 		new_state.timeout_value_ac = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 		new_state.timeout_unit_ac = unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 		new_state.timeout_value = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 		new_state.timeout_unit = unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 	ret = kbd_set_state_safe(&new_state, &state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 	ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 	mutex_unlock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) static ssize_t kbd_led_timeout_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 				    struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	int value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 	int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 	u8 unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 	if (kbd_timeout_ac_supported && power_supply_is_system_supplied() > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 		value = state.timeout_value_ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 		unit = state.timeout_unit_ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 		value = state.timeout_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 		unit = state.timeout_unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 	len = sprintf(buf, "%d", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 	switch (unit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 	case KBD_TIMEOUT_SECONDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 		return len + sprintf(buf+len, "s\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 	case KBD_TIMEOUT_MINUTES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 		return len + sprintf(buf+len, "m\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 	case KBD_TIMEOUT_HOURS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 		return len + sprintf(buf+len, "h\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 	case KBD_TIMEOUT_DAYS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 		return len + sprintf(buf+len, "d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 	return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) static DEVICE_ATTR(stop_timeout, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 		   kbd_led_timeout_show, kbd_led_timeout_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) static const char * const kbd_led_triggers[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 	"keyboard",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	"touchpad",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 	/*"trackstick"*/ NULL, /* NOTE: trackstick is just alias for touchpad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 	"mouse",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) static ssize_t kbd_led_triggers_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 				      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 				      const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	struct kbd_state new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 	bool triggers_enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 	int trigger_bit = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 	char trigger[21];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 	int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	ret = sscanf(buf, "%20s", trigger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 	if (ret != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 	if (trigger[0] != '+' && trigger[0] != '-')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 	mutex_lock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 	if (kbd_triggers_supported)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 		triggers_enabled = kbd_is_trigger_mode_bit(state.mode_bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	if (kbd_triggers_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 		for (i = 0; i < ARRAY_SIZE(kbd_led_triggers); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 			if (!(kbd_info.triggers & BIT(i)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 			if (!kbd_led_triggers[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 			if (strcmp(trigger+1, kbd_led_triggers[i]) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 			if (trigger[0] == '+' &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 			    triggers_enabled && (state.triggers & BIT(i))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 				ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 			if (trigger[0] == '-' &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 			    (!triggers_enabled || !(state.triggers & BIT(i)))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 				ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 			trigger_bit = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 	if (trigger_bit == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 	new_state = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 	if (trigger[0] == '+')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 		new_state.triggers |= BIT(trigger_bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 		new_state.triggers &= ~BIT(trigger_bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 		 * NOTE: trackstick bit (2) must be disabled when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 		 *       disabling touchpad bit (1), otherwise touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 		 *       bit (1) will not be disabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 		if (trigger_bit == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 			new_state.triggers &= ~BIT(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 	if ((kbd_info.triggers & new_state.triggers) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 	    new_state.triggers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 	if (new_state.triggers && !triggers_enabled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 		new_state.mode_bit = KBD_MODE_BIT_TRIGGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 		kbd_set_level(&new_state, kbd_previous_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 	} else if (new_state.triggers == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 		kbd_set_level(&new_state, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 	if (!(kbd_info.modes & BIT(new_state.mode_bit))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 	ret = kbd_set_state_safe(&new_state, &state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 	if (new_state.mode_bit != KBD_MODE_BIT_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 		kbd_previous_mode_bit = new_state.mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 	ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 	mutex_unlock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) static ssize_t kbd_led_triggers_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 				     struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 	bool triggers_enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 	int level, i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 	int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 	len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 	if (kbd_triggers_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 		triggers_enabled = kbd_is_trigger_mode_bit(state.mode_bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 		level = kbd_get_level(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 		for (i = 0; i < ARRAY_SIZE(kbd_led_triggers); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 			if (!(kbd_info.triggers & BIT(i)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 			if (!kbd_led_triggers[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 			if ((triggers_enabled || level <= 0) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 			    (state.triggers & BIT(i)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 				buf[len++] = '+';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 				buf[len++] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 			len += sprintf(buf+len, "%s ", kbd_led_triggers[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 	if (len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 		buf[len - 1] = '\n';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 	return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) static DEVICE_ATTR(start_triggers, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 		   kbd_led_triggers_show, kbd_led_triggers_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) static ssize_t kbd_led_als_enabled_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 					 const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 	struct kbd_state new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 	bool triggers_enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 	int enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 	ret = kstrtoint(buf, 0, &enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 	mutex_lock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 	if (enable == kbd_is_als_mode_bit(state.mode_bit)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 		ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 	new_state = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 	if (kbd_triggers_supported)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 		triggers_enabled = kbd_is_trigger_mode_bit(state.mode_bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 	if (enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 		if (triggers_enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 			new_state.mode_bit = KBD_MODE_BIT_TRIGGER_ALS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 			new_state.mode_bit = KBD_MODE_BIT_ALS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 		if (triggers_enabled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 			new_state.mode_bit = KBD_MODE_BIT_TRIGGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 			kbd_set_level(&new_state, kbd_previous_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 			new_state.mode_bit = KBD_MODE_BIT_ON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 	if (!(kbd_info.modes & BIT(new_state.mode_bit)))  {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 	ret = kbd_set_state_safe(&new_state, &state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 	kbd_previous_mode_bit = new_state.mode_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 	ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 	mutex_unlock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) static ssize_t kbd_led_als_enabled_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 					struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 					char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 	bool enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) 	enabled = kbd_is_als_mode_bit(state.mode_bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 	return sprintf(buf, "%d\n", enabled ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) static DEVICE_ATTR(als_enabled, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 		   kbd_led_als_enabled_show, kbd_led_als_enabled_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) static ssize_t kbd_led_als_setting_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 					 const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 	struct kbd_state new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 	u8 setting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 	ret = kstrtou8(buf, 10, &setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 	mutex_lock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) 	new_state = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 	new_state.als_setting = setting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 	ret = kbd_set_state_safe(&new_state, &state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 	ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 	mutex_unlock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) static ssize_t kbd_led_als_setting_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 					struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 					char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 	ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 	return sprintf(buf, "%d\n", state.als_setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) static DEVICE_ATTR(als_setting, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 		   kbd_led_als_setting_show, kbd_led_als_setting_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) static struct attribute *kbd_led_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 	&dev_attr_stop_timeout.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 	&dev_attr_start_triggers.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) static const struct attribute_group kbd_led_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 	.attrs = kbd_led_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) static struct attribute *kbd_led_als_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 	&dev_attr_als_enabled.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 	&dev_attr_als_setting.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) static const struct attribute_group kbd_led_als_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 	.attrs = kbd_led_als_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) static const struct attribute_group *kbd_led_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 	&kbd_led_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 	&kbd_led_als_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) static enum led_brightness kbd_led_level_get(struct led_classdev *led_cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 	u16 num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 	if (kbd_get_max_level()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 		ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 		ret = kbd_get_level(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 	if (kbd_get_valid_token_counts()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 		ret = kbd_get_first_active_token_bit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 		for (num = kbd_token_bits; num != 0 && ret > 0; --ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 			num &= num - 1; /* clear the first bit set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 		if (num == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 		return ffs(num) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) 	pr_warn("Keyboard brightness level control not supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) static int kbd_led_level_set(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) 			     enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 	enum led_brightness new_value = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 	struct kbd_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 	struct kbd_state new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 	u16 num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 	mutex_lock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) 	if (kbd_get_max_level()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 		ret = kbd_get_state(&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 		new_state = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 		ret = kbd_set_level(&new_state, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 		ret = kbd_set_state_safe(&new_state, &state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 	} else if (kbd_get_valid_token_counts()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 		for (num = kbd_token_bits; num != 0 && value > 0; --value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 			num &= num - 1; /* clear the first bit set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 		if (num == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 			ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 			ret = kbd_set_token_bit(ffs(num) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) 		pr_warn("Keyboard brightness level control not supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) 		ret = -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 	if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 		kbd_led_level = new_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 	mutex_unlock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) static struct led_classdev kbd_led = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 	.name           = "dell::kbd_backlight",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 	.flags		= LED_BRIGHT_HW_CHANGED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 	.brightness_set_blocking = kbd_led_level_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 	.brightness_get = kbd_led_level_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 	.groups         = kbd_led_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) static int __init kbd_led_init(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 	kbd_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) 	if (!kbd_led_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 	if (!kbd_als_supported)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 		kbd_led_groups[1] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 	kbd_led.max_brightness = kbd_get_max_level();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 	if (!kbd_led.max_brightness) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 		kbd_led.max_brightness = kbd_get_valid_token_counts();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 		if (kbd_led.max_brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 			kbd_led.max_brightness--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 	kbd_led_level = kbd_led_level_get(NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 	ret = led_classdev_register(dev, &kbd_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 		kbd_led_present = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) static void brightness_set_exit(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 				enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	/* Don't change backlight level on exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) static void kbd_led_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 	if (!kbd_led_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) 	kbd_led.brightness_set = brightness_set_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) 	led_classdev_unregister(&kbd_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) static int dell_laptop_notifier_call(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 				     unsigned long action, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 	bool changed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 	enum led_brightness new_kbd_led_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 	switch (action) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 	case DELL_LAPTOP_KBD_BACKLIGHT_BRIGHTNESS_CHANGED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 		if (!kbd_led_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 		mutex_lock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 		new_kbd_led_level = kbd_led_level_get(&kbd_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 		if (kbd_led_level != new_kbd_led_level) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 			kbd_led_level = new_kbd_led_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) 			changed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) 		mutex_unlock(&kbd_led_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 		if (changed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 			led_classdev_notify_brightness_hw_changed(&kbd_led,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 								kbd_led_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 	return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) static struct notifier_block dell_laptop_notifier = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 	.notifier_call = dell_laptop_notifier_call,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) static int micmute_led_set(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 			   enum led_brightness brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 	struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 	struct calling_interface_token *token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 	int state = brightness != LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 	if (state == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 		token = dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 		token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 	if (!token)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 	dell_fill_request(&buffer, token->location, token->value, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 	dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) static struct led_classdev micmute_led_cdev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 	.name = "platform::micmute",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 	.max_brightness = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 	.brightness_set_blocking = micmute_led_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 	.default_trigger = "audio-micmute",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) static int __init dell_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	struct calling_interface_token *token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 	int max_intensity = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 	if (!dmi_check_system(dell_device_table))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 	quirks = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 	/* find if this machine support other functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 	dmi_check_system(dell_quirks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 	ret = platform_driver_register(&platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 		goto fail_platform_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 	platform_device = platform_device_alloc("dell-laptop", -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 	if (!platform_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 		goto fail_platform_device1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 	ret = platform_device_add(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 		goto fail_platform_device2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 	ret = dell_setup_rfkill();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 		pr_warn("Unable to setup rfkill\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 		goto fail_rfkill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 	if (quirks && quirks->touchpad_led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 		touchpad_led_init(&platform_device->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) 	kbd_led_init(&platform_device->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 	dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 	debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 			    &dell_debugfs_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 	dell_laptop_register_notifier(&dell_laptop_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) 	if (dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 	    dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) 		micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 		ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 			goto fail_led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 	if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 	token = dell_smbios_find_token(BRIGHTNESS_TOKEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 	if (token) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 		struct calling_interface_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 		dell_fill_request(&buffer, token->location, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 		ret = dell_send_request(&buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 					CLASS_TOKEN_READ, SELECT_TOKEN_AC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 		if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 			max_intensity = buffer.output[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 	if (max_intensity) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 		struct backlight_properties props;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 		memset(&props, 0, sizeof(struct backlight_properties));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 		props.type = BACKLIGHT_PLATFORM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 		props.max_brightness = max_intensity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 		dell_backlight_device = backlight_device_register("dell_backlight",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 								  &platform_device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 								  NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 								  &dell_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 								  &props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 		if (IS_ERR(dell_backlight_device)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 			ret = PTR_ERR(dell_backlight_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 			dell_backlight_device = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 			goto fail_backlight;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 		dell_backlight_device->props.brightness =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 			dell_get_intensity(dell_backlight_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 		if (dell_backlight_device->props.brightness < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 			ret = dell_backlight_device->props.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 			goto fail_get_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 		backlight_update_status(dell_backlight_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) fail_get_brightness:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 	backlight_device_unregister(dell_backlight_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) fail_backlight:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 	led_classdev_unregister(&micmute_led_cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) fail_led:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 	dell_cleanup_rfkill();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) fail_rfkill:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 	platform_device_del(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) fail_platform_device2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 	platform_device_put(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) fail_platform_device1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 	platform_driver_unregister(&platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) fail_platform_driver:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) static void __exit dell_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 	dell_laptop_unregister_notifier(&dell_laptop_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 	debugfs_remove_recursive(dell_laptop_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 	if (quirks && quirks->touchpad_led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 		touchpad_led_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 	kbd_led_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 	backlight_device_unregister(dell_backlight_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 	led_classdev_unregister(&micmute_led_cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 	dell_cleanup_rfkill();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 	if (platform_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 		platform_device_unregister(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 		platform_driver_unregister(&platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) /* dell-rbtn.c driver export functions which will not work correctly (and could
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290)  * cause kernel crash) if they are called before dell-rbtn.c init code. This is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291)  * not problem when dell-rbtn.c is compiled as external module. When both files
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292)  * (dell-rbtn.c and dell-laptop.c) are compiled statically into kernel, then we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293)  * need to ensure that dell_init() will be called after initializing dell-rbtn.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294)  * This can be achieved by late_initcall() instead module_init().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) late_initcall(dell_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) module_exit(dell_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) MODULE_AUTHOR("Pali Rohár <pali@kernel.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) MODULE_DESCRIPTION("Dell laptop driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) MODULE_LICENSE("GPL");