Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Alienware AlienFX control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2014 Dell Inc <mario_limonciello@dell.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #define LEGACY_CONTROL_GUID		"A90597CE-A997-11DA-B012-B622A1EF5492"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #define LEGACY_POWER_CONTROL_GUID	"A80593CE-A997-11DA-B012-B622A1EF5492"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define WMAX_CONTROL_GUID		"A70591CE-A997-11DA-B012-B622A1EF5492"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define WMAX_METHOD_HDMI_SOURCE		0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define WMAX_METHOD_HDMI_STATUS		0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #define WMAX_METHOD_BRIGHTNESS		0x3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define WMAX_METHOD_ZONE_CONTROL	0x4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define WMAX_METHOD_HDMI_CABLE		0x5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define WMAX_METHOD_AMPLIFIER_CABLE	0x6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define WMAX_METHOD_DEEP_SLEEP_CONTROL	0x0B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define WMAX_METHOD_DEEP_SLEEP_STATUS	0x0C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) MODULE_AUTHOR("Mario Limonciello <mario_limonciello@dell.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) MODULE_DESCRIPTION("Alienware special feature control");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) MODULE_ALIAS("wmi:" LEGACY_CONTROL_GUID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) MODULE_ALIAS("wmi:" WMAX_CONTROL_GUID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) enum INTERFACE_FLAGS {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	LEGACY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	WMAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) enum LEGACY_CONTROL_STATES {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	LEGACY_RUNNING = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	LEGACY_BOOTING = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	LEGACY_SUSPEND = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) enum WMAX_CONTROL_STATES {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	WMAX_RUNNING = 0xFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	WMAX_BOOTING = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	WMAX_SUSPEND = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) struct quirk_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	u8 num_zones;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	u8 hdmi_mux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	u8 amplifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	u8 deepslp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static struct quirk_entry *quirks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) static struct quirk_entry quirk_inspiron5675 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	.num_zones = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	.hdmi_mux = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	.amplifier = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	.deepslp = 0,
^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_unknown = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	.num_zones = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	.hdmi_mux = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	.amplifier = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	.deepslp = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) static struct quirk_entry quirk_x51_r1_r2 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	.num_zones = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	.hdmi_mux = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	.amplifier = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	.deepslp = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) static struct quirk_entry quirk_x51_r3 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	.num_zones = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	.hdmi_mux = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	.amplifier = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	.deepslp = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) static struct quirk_entry quirk_asm100 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	.num_zones = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	.hdmi_mux = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	.amplifier = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	.deepslp = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) static struct quirk_entry quirk_asm200 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	.num_zones = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	.hdmi_mux = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	.amplifier = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	.deepslp = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static struct quirk_entry quirk_asm201 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	.num_zones = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	.hdmi_mux = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	.amplifier = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	.deepslp = 1,
^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) static int __init dmi_matched(const struct dmi_system_id *dmi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	quirks = dmi->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	return 1;
^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) static const struct dmi_system_id alienware_quirks[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	 .ident = "Alienware X51 R3",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	 .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		     DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		     DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51 R3"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	 .driver_data = &quirk_x51_r3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	 .ident = "Alienware X51 R2",
^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, "Alienware"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		     DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51 R2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	 .driver_data = &quirk_x51_r1_r2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	 .ident = "Alienware X51 R1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	 .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		     DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		     DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	 .driver_data = &quirk_x51_r1_r2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	 .ident = "Alienware ASM100",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	 .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		     DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		     DMI_MATCH(DMI_PRODUCT_NAME, "ASM100"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	 .driver_data = &quirk_asm100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	 .ident = "Alienware ASM200",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	 .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		     DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		     DMI_MATCH(DMI_PRODUCT_NAME, "ASM200"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	 .driver_data = &quirk_asm200,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	 .ident = "Alienware ASM201",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	 .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		     DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		     DMI_MATCH(DMI_PRODUCT_NAME, "ASM201"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	 .driver_data = &quirk_asm201,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	 .callback = dmi_matched,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	 .ident = "Dell Inc. Inspiron 5675",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	 .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5675"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		     },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	 .driver_data = &quirk_inspiron5675,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	{}
^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) struct color_platform {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	u8 blue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	u8 green;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	u8 red;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct platform_zone {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	u8 location;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	struct device_attribute *attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	struct color_platform colors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) struct wmax_brightness_args {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	u32 led_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	u32 percentage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct wmax_basic_args {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	u8 arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct legacy_led_args {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	struct color_platform colors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	u8 brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	u8 state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct wmax_led_args {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	u32 led_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	struct color_platform colors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	u8 state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static struct platform_device *platform_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static struct device_attribute *zone_dev_attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static struct attribute **zone_attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static struct platform_zone *zone_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static struct platform_driver platform_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		   .name = "alienware-wmi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		   }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static struct attribute_group zone_attribute_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	.name = "rgb_zones",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static u8 interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static u8 lighting_control_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static u8 global_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)  * Helpers used for zone control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static int parse_rgb(const char *buf, struct platform_zone *zone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	long unsigned int rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	union color_union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		struct color_platform cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		int package;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	} repackager;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	ret = kstrtoul(buf, 16, &rgb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	/* RGB triplet notation is 24-bit hexadecimal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	if (rgb > 0xFFFFFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	repackager.package = rgb & 0x0f0f0f0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	pr_debug("alienware-wmi: r: %d g:%d b: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		 repackager.cp.red, repackager.cp.green, repackager.cp.blue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	zone->colors = repackager.cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static struct platform_zone *match_zone(struct device_attribute *attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	u8 zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	for (zone = 0; zone < quirks->num_zones; zone++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		if ((struct device_attribute *)zone_data[zone].attr == attr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 			pr_debug("alienware-wmi: matched zone location: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 				 zone_data[zone].location);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 			return &zone_data[zone];
^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) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)  * Individual RGB zone control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) static int alienware_update_led(struct platform_zone *zone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	int method_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	char *guid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	struct acpi_buffer input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	struct legacy_led_args legacy_args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	struct wmax_led_args wmax_basic_args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	if (interface == WMAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		wmax_basic_args.led_mask = 1 << zone->location;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		wmax_basic_args.colors = zone->colors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		wmax_basic_args.state = lighting_control_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		guid = WMAX_CONTROL_GUID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		method_id = WMAX_METHOD_ZONE_CONTROL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		input.length = (acpi_size) sizeof(wmax_basic_args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 		input.pointer = &wmax_basic_args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 		legacy_args.colors = zone->colors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 		legacy_args.brightness = global_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		legacy_args.state = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		if (lighting_control_state == LEGACY_BOOTING ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		    lighting_control_state == LEGACY_SUSPEND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 			guid = LEGACY_POWER_CONTROL_GUID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 			legacy_args.state = lighting_control_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 			guid = LEGACY_CONTROL_GUID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		method_id = zone->location + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 		input.length = (acpi_size) sizeof(legacy_args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		input.pointer = &legacy_args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	pr_debug("alienware-wmi: guid %s method %d\n", guid, method_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	status = wmi_evaluate_method(guid, 0, method_id, &input, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	if (ACPI_FAILURE(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		pr_err("alienware-wmi: zone set failure: %u\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	return ACPI_FAILURE(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static ssize_t zone_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 			 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	struct platform_zone *target_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	target_zone = match_zone(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	if (target_zone == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		return sprintf(buf, "red: -1, green: -1, blue: -1\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	return sprintf(buf, "red: %d, green: %d, blue: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		       target_zone->colors.red,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		       target_zone->colors.green, target_zone->colors.blue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static ssize_t zone_set(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 			const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	struct platform_zone *target_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	target_zone = match_zone(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	if (target_zone == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 		pr_err("alienware-wmi: invalid target zone\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	ret = parse_rgb(buf, target_zone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	ret = alienware_update_led(target_zone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	return ret ? ret : count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)  * LED Brightness (Global)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) static int wmax_brightness(int brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	struct acpi_buffer input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	struct wmax_brightness_args args = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 		.led_mask = 0xFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		.percentage = brightness,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	input.length = (acpi_size) sizeof(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	input.pointer = &args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 				     WMAX_METHOD_BRIGHTNESS, &input, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	if (ACPI_FAILURE(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		pr_err("alienware-wmi: brightness set failure: %u\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	return ACPI_FAILURE(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) static void global_led_set(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 			   enum led_brightness brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	global_brightness = brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	if (interface == WMAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 		ret = wmax_brightness(brightness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 		ret = alienware_update_led(&zone_data[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		pr_err("LED brightness update failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) static enum led_brightness global_led_get(struct led_classdev *led_cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	return global_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) static struct led_classdev global_led = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	.brightness_set = global_led_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	.brightness_get = global_led_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	.name = "alienware::global_brightness",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)  * Lighting control state device attribute (Global)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static ssize_t show_control_state(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 				  struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	if (lighting_control_state == LEGACY_BOOTING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 		return scnprintf(buf, PAGE_SIZE, "[booting] running suspend\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	else if (lighting_control_state == LEGACY_SUSPEND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 		return scnprintf(buf, PAGE_SIZE, "booting running [suspend]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	return scnprintf(buf, PAGE_SIZE, "booting [running] suspend\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) static ssize_t store_control_state(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 				   struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 				   const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	long unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	if (strcmp(buf, "booting\n") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		val = LEGACY_BOOTING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	else if (strcmp(buf, "suspend\n") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 		val = LEGACY_SUSPEND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	else if (interface == LEGACY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 		val = LEGACY_RUNNING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		val = WMAX_RUNNING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	lighting_control_state = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	pr_debug("alienware-wmi: updated control state to %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		 lighting_control_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) static DEVICE_ATTR(lighting_control_state, 0644, show_control_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		   store_control_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) static int alienware_zone_init(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	u8 zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 	char buffer[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	if (interface == WMAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 		lighting_control_state = WMAX_RUNNING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	} else if (interface == LEGACY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 		lighting_control_state = LEGACY_RUNNING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	global_led.max_brightness = 0x0F;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	global_brightness = global_led.max_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	 *      - zone_dev_attrs num_zones + 1 is for individual zones and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	 *        null terminated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	 *      - zone_attrs num_zones + 2 is for all attrs in zone_dev_attrs +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	 *        the lighting control + null terminated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	 *      - zone_data num_zones is for the distinct zones
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	zone_dev_attrs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	    kcalloc(quirks->num_zones + 1, sizeof(struct device_attribute),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 		    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	if (!zone_dev_attrs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	zone_attrs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	    kcalloc(quirks->num_zones + 2, sizeof(struct attribute *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 		    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 	if (!zone_attrs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	zone_data =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	    kcalloc(quirks->num_zones, sizeof(struct platform_zone),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 		    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	if (!zone_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	for (zone = 0; zone < quirks->num_zones; zone++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 		sprintf(buffer, "zone%02hhX", zone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 		name = kstrdup(buffer, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 		if (name == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 		sysfs_attr_init(&zone_dev_attrs[zone].attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 		zone_dev_attrs[zone].attr.name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 		zone_dev_attrs[zone].attr.mode = 0644;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 		zone_dev_attrs[zone].show = zone_show;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 		zone_dev_attrs[zone].store = zone_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 		zone_data[zone].location = zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 		zone_attrs[zone] = &zone_dev_attrs[zone].attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 		zone_data[zone].attr = &zone_dev_attrs[zone];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	zone_attrs[quirks->num_zones] = &dev_attr_lighting_control_state.attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	zone_attribute_group.attrs = zone_attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	led_classdev_register(&dev->dev, &global_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 	return sysfs_create_group(&dev->dev.kobj, &zone_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) static void alienware_zone_exit(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	u8 zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 	sysfs_remove_group(&dev->dev.kobj, &zone_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 	led_classdev_unregister(&global_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	if (zone_dev_attrs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 		for (zone = 0; zone < quirks->num_zones; zone++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 			kfree(zone_dev_attrs[zone].attr.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 	kfree(zone_dev_attrs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 	kfree(zone_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 	kfree(zone_attrs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 					  u32 command, int *out_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 	union acpi_object *obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	struct acpi_buffer input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 	struct acpi_buffer output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 	input.length = (acpi_size) sizeof(*in_args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	input.pointer = in_args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	if (out_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 		output.length = ACPI_ALLOCATE_BUFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 		output.pointer = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 					     command, &input, &output);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 		if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 			obj = (union acpi_object *)output.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 			if (obj && obj->type == ACPI_TYPE_INTEGER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 				*out_data = (u32)obj->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 		kfree(output.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 					     command, &input, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 	return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)  *	The HDMI mux sysfs node indicates the status of the HDMI input mux.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)  *	It can toggle between standard system GPU output and HDMI input.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) static ssize_t show_hdmi_cable(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 			       struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	u32 out_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 	struct wmax_basic_args in_args = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 		.arg = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 	status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 	    alienware_wmax_command(&in_args, WMAX_METHOD_HDMI_CABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 				   (u32 *) &out_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 	if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 		if (out_data == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 					 "[unconnected] connected unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 		else if (out_data == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 					 "unconnected [connected] unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 	pr_err("alienware-wmi: unknown HDMI cable status: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 	return scnprintf(buf, PAGE_SIZE, "unconnected connected [unknown]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) static ssize_t show_hdmi_source(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 				struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	u32 out_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 	struct wmax_basic_args in_args = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 		.arg = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 	status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 	    alienware_wmax_command(&in_args, WMAX_METHOD_HDMI_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 				   (u32 *) &out_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 	if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 		if (out_data == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 					 "[input] gpu unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 		else if (out_data == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 					 "input [gpu] unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 	pr_err("alienware-wmi: unknown HDMI source status: %u\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 	return scnprintf(buf, PAGE_SIZE, "input gpu [unknown]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) static ssize_t toggle_hdmi_source(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 				  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 				  const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 	struct wmax_basic_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 	if (strcmp(buf, "gpu\n") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 		args.arg = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 	else if (strcmp(buf, "input\n") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 		args.arg = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 		args.arg = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 	pr_debug("alienware-wmi: setting hdmi to %d : %s", args.arg, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 	status = alienware_wmax_command(&args, WMAX_METHOD_HDMI_SOURCE, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 	if (ACPI_FAILURE(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 		pr_err("alienware-wmi: HDMI toggle failed: results: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 		       status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) static DEVICE_ATTR(cable, S_IRUGO, show_hdmi_cable, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) static DEVICE_ATTR(source, S_IRUGO | S_IWUSR, show_hdmi_source,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 		   toggle_hdmi_source);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) static struct attribute *hdmi_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 	&dev_attr_cable.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 	&dev_attr_source.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) static const struct attribute_group hdmi_attribute_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 	.name = "hdmi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 	.attrs = hdmi_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) static void remove_hdmi(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 	if (quirks->hdmi_mux > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 		sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) static int create_hdmi(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 	ret = sysfs_create_group(&dev->dev.kobj, &hdmi_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 		remove_hdmi(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)  * Alienware GFX amplifier support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)  * - Currently supports reading cable status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)  * - Leaving expansion room to possibly support dock/undock events later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) static ssize_t show_amplifier_status(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 				     struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) 	u32 out_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 	struct wmax_basic_args in_args = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) 		.arg = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 	status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 	    alienware_wmax_command(&in_args, WMAX_METHOD_AMPLIFIER_CABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 				   (u32 *) &out_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 	if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 		if (out_data == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 					 "[unconnected] connected unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 		else if (out_data == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 					 "unconnected [connected] unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) 	pr_err("alienware-wmi: unknown amplifier cable status: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 	return scnprintf(buf, PAGE_SIZE, "unconnected connected [unknown]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) static DEVICE_ATTR(status, S_IRUGO, show_amplifier_status, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static struct attribute *amplifier_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 	&dev_attr_status.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static const struct attribute_group amplifier_attribute_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) 	.name = "amplifier",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 	.attrs = amplifier_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) static void remove_amplifier(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 	if (quirks->amplifier > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) 		sysfs_remove_group(&dev->dev.kobj, &amplifier_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) static int create_amplifier(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) 	ret = sysfs_create_group(&dev->dev.kobj, &amplifier_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) 		remove_amplifier(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)  * Deep Sleep Control support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695)  * - Modifies BIOS setting for deep sleep control allowing extra wakeup events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) static ssize_t show_deepsleep_status(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) 				     struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) 	u32 out_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) 	struct wmax_basic_args in_args = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) 		.arg = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) 	status = alienware_wmax_command(&in_args, WMAX_METHOD_DEEP_SLEEP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) 					(u32 *) &out_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) 	if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) 		if (out_data == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) 					 "[disabled] s5 s5_s4\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) 		else if (out_data == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) 					 "disabled [s5] s5_s4\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) 		else if (out_data == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) 			return scnprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) 					 "disabled s5 [s5_s4]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) 	pr_err("alienware-wmi: unknown deep sleep status: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) 	return scnprintf(buf, PAGE_SIZE, "disabled s5 s5_s4 [unknown]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) static ssize_t toggle_deepsleep(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) 				struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) 				const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) 	struct wmax_basic_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) 	if (strcmp(buf, "disabled\n") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) 		args.arg = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) 	else if (strcmp(buf, "s5\n") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) 		args.arg = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) 		args.arg = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) 	pr_debug("alienware-wmi: setting deep sleep to %d : %s", args.arg, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) 	status = alienware_wmax_command(&args, WMAX_METHOD_DEEP_SLEEP_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) 					NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) 	if (ACPI_FAILURE(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) 		pr_err("alienware-wmi: deep sleep control failed: results: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) 			status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) static DEVICE_ATTR(deepsleep, S_IRUGO | S_IWUSR, show_deepsleep_status, toggle_deepsleep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) static struct attribute *deepsleep_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) 	&dev_attr_deepsleep.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) static const struct attribute_group deepsleep_attribute_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) 	.name = "deepsleep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) 	.attrs = deepsleep_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static void remove_deepsleep(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) 	if (quirks->deepslp > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) 		sysfs_remove_group(&dev->dev.kobj, &deepsleep_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) static int create_deepsleep(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) 	ret = sysfs_create_group(&dev->dev.kobj, &deepsleep_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) 		remove_deepsleep(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) static int __init alienware_wmi_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) 	if (wmi_has_guid(LEGACY_CONTROL_GUID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) 		interface = LEGACY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) 	else if (wmi_has_guid(WMAX_CONTROL_GUID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) 		interface = WMAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) 		pr_warn("alienware-wmi: No known WMI GUID found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) 		return -ENODEV;
^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) 	dmi_check_system(alienware_quirks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) 	if (quirks == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) 		quirks = &quirk_unknown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) 	ret = platform_driver_register(&platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) 		goto fail_platform_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) 	platform_device = platform_device_alloc("alienware-wmi", -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) 	if (!platform_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) 		goto fail_platform_device1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) 	ret = platform_device_add(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) 		goto fail_platform_device2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) 	if (quirks->hdmi_mux > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) 		ret = create_hdmi(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) 			goto fail_prep_hdmi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) 	if (quirks->amplifier > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) 		ret = create_amplifier(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) 			goto fail_prep_amplifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) 	if (quirks->deepslp > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) 		ret = create_deepsleep(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) 			goto fail_prep_deepsleep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) 	ret = alienware_zone_init(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) 		goto fail_prep_zones;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) fail_prep_zones:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) 	alienware_zone_exit(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) fail_prep_deepsleep:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) fail_prep_amplifier:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) fail_prep_hdmi:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) 	platform_device_del(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) fail_platform_device2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) 	platform_device_put(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) fail_platform_device1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) 	platform_driver_unregister(&platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) fail_platform_driver:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) module_init(alienware_wmi_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) static void __exit alienware_wmi_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) 	if (platform_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) 		alienware_zone_exit(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) 		remove_hdmi(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) 		platform_device_unregister(platform_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) 		platform_driver_unregister(&platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) module_exit(alienware_wmi_exit);