alienware-wmi.h

  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 * Alienware WMI special features driver
  4 *
  5 * Copyright (C) 2014 Dell Inc <Dell.Client.Kernel@dell.com>
  6 * Copyright (C) 2024 Kurt Borja <kuurtb@gmail.com>
  7 */
  8
  9#ifndef _ALIENWARE_WMI_H_
 10#define _ALIENWARE_WMI_H_
 11
 12#include <linux/leds.h>
 13#include <linux/platform_device.h>
 14#include <linux/wmi.h>
 15
 16#define LEGACY_CONTROL_GUID		"A90597CE-A997-11DA-B012-B622A1EF5492"
 17#define LEGACY_POWER_CONTROL_GUID	"A80593CE-A997-11DA-B012-B622A1EF5492"
 18#define WMAX_CONTROL_GUID		"A70591CE-A997-11DA-B012-B622A1EF5492"
 19
 20enum INTERFACE_FLAGS {
 21	LEGACY,
 22	WMAX,
 23};
 24
 25enum LEGACY_CONTROL_STATES {
 26	LEGACY_RUNNING = 1,
 27	LEGACY_BOOTING = 0,
 28	LEGACY_SUSPEND = 3,
 29};
 30
 31enum WMAX_CONTROL_STATES {
 32	WMAX_RUNNING = 0xFF,
 33	WMAX_BOOTING = 0,
 34	WMAX_SUSPEND = 3,
 35};
 36
 37struct alienfx_quirks {
 38	u8 num_zones;
 39	bool hdmi_mux;
 40	bool amplifier;
 41	bool deepslp;
 42};
 43
 44struct color_platform {
 45	u8 blue;
 46	u8 green;
 47	u8 red;
 48} __packed;
 49
 50struct alienfx_priv {
 51	struct platform_device *pdev;
 52	struct led_classdev global_led;
 53	struct color_platform colors[4];
 54	u8 global_brightness;
 55	u8 lighting_control_state;
 56};
 57
 58struct alienfx_ops {
 59	int (*upd_led)(struct alienfx_priv *priv, struct wmi_device *wdev,
 60		       u8 location);
 61	int (*upd_brightness)(struct alienfx_priv *priv, struct wmi_device *wdev,
 62			      u8 brightness);
 63};
 64
 65struct alienfx_platdata {
 66	struct wmi_device *wdev;
 67	struct alienfx_ops ops;
 68};
 69
 70extern u8 alienware_interface;
 71extern struct alienfx_quirks *alienfx;
 72
 73int alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
 74			  void *in_args, size_t in_size, u32 *out_data);
 75
 76int alienware_alienfx_setup(struct alienfx_platdata *pdata);
 77
 78#if IS_ENABLED(CONFIG_ALIENWARE_WMI_LEGACY)
 79int __init alienware_legacy_wmi_init(void);
 80void __exit alienware_legacy_wmi_exit(void);
 81#else
 82static inline int alienware_legacy_wmi_init(void)
 83{
 84	return -ENODEV;
 85}
 86
 87static inline void alienware_legacy_wmi_exit(void)
 88{
 89}
 90#endif
 91
 92#if IS_ENABLED(CONFIG_ALIENWARE_WMI_WMAX)
 93extern const struct attribute_group wmax_hdmi_attribute_group;
 94extern const struct attribute_group wmax_amplifier_attribute_group;
 95extern const struct attribute_group wmax_deepsleep_attribute_group;
 96
 97#define WMAX_DEV_GROUPS		&wmax_hdmi_attribute_group,		\
 98				&wmax_amplifier_attribute_group,	\
 99				&wmax_deepsleep_attribute_group,
100
101int __init alienware_wmax_wmi_init(void);
102void __exit alienware_wmax_wmi_exit(void);
103#else
104#define WMAX_DEV_GROUPS
105
106static inline int alienware_wmax_wmi_init(void)
107{
108	return -ENODEV;
109}
110
111
112static inline void alienware_wmax_wmi_exit(void)
113{
114}
115#endif
116
117#endif