cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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iqs62x.h (2974B)

      1/* SPDX-License-Identifier: GPL-2.0+ */
      2/*
      3 * Azoteq IQS620A/621/622/624/625 Multi-Function Sensors
      4 *
      5 * Copyright (C) 2019 Jeff LaBundy <jeff@labundy.com>
      6 */
      7
      8#ifndef __LINUX_MFD_IQS62X_H
      9#define __LINUX_MFD_IQS62X_H
     10
     11#define IQS620_PROD_NUM				0x41
     12#define IQS621_PROD_NUM				0x46
     13#define IQS622_PROD_NUM				0x42
     14#define IQS624_PROD_NUM				0x43
     15#define IQS625_PROD_NUM				0x4E
     16
     17#define IQS620_HW_NUM_V0			0x82
     18#define IQS620_HW_NUM_V1			IQS620_HW_NUM_V0
     19#define IQS620_HW_NUM_V2			IQS620_HW_NUM_V0
     20#define IQS620_HW_NUM_V3			0x92
     21
     22#define IQS621_ALS_FLAGS			0x16
     23#define IQS622_ALS_FLAGS			0x14
     24
     25#define IQS624_HALL_UI				0x70
     26#define IQS624_HALL_UI_WHL_EVENT		BIT(4)
     27#define IQS624_HALL_UI_INT_EVENT		BIT(3)
     28#define IQS624_HALL_UI_AUTO_CAL			BIT(2)
     29
     30#define IQS624_INTERVAL_DIV			0x7D
     31
     32#define IQS620_GLBL_EVENT_MASK			0xD7
     33#define IQS620_GLBL_EVENT_MASK_PMU		BIT(6)
     34
     35#define IQS62X_NUM_KEYS				16
     36#define IQS62X_NUM_EVENTS			(IQS62X_NUM_KEYS + 6)
     37
     38#define IQS62X_EVENT_SIZE			10
     39
     40enum iqs62x_ui_sel {
     41	IQS62X_UI_PROX,
     42	IQS62X_UI_SAR1,
     43};
     44
     45enum iqs62x_event_reg {
     46	IQS62X_EVENT_NONE,
     47	IQS62X_EVENT_SYS,
     48	IQS62X_EVENT_PROX,
     49	IQS62X_EVENT_HYST,
     50	IQS62X_EVENT_HALL,
     51	IQS62X_EVENT_ALS,
     52	IQS62X_EVENT_IR,
     53	IQS62X_EVENT_WHEEL,
     54	IQS62X_EVENT_INTER,
     55	IQS62X_EVENT_UI_LO,
     56	IQS62X_EVENT_UI_HI,
     57};
     58
     59enum iqs62x_event_flag {
     60	/* keys */
     61	IQS62X_EVENT_PROX_CH0_T,
     62	IQS62X_EVENT_PROX_CH0_P,
     63	IQS62X_EVENT_PROX_CH1_T,
     64	IQS62X_EVENT_PROX_CH1_P,
     65	IQS62X_EVENT_PROX_CH2_T,
     66	IQS62X_EVENT_PROX_CH2_P,
     67	IQS62X_EVENT_HYST_POS_T,
     68	IQS62X_EVENT_HYST_POS_P,
     69	IQS62X_EVENT_HYST_NEG_T,
     70	IQS62X_EVENT_HYST_NEG_P,
     71	IQS62X_EVENT_SAR1_ACT,
     72	IQS62X_EVENT_SAR1_QRD,
     73	IQS62X_EVENT_SAR1_MOVE,
     74	IQS62X_EVENT_SAR1_HALT,
     75	IQS62X_EVENT_WHEEL_UP,
     76	IQS62X_EVENT_WHEEL_DN,
     77
     78	/* switches */
     79	IQS62X_EVENT_HALL_N_T,
     80	IQS62X_EVENT_HALL_N_P,
     81	IQS62X_EVENT_HALL_S_T,
     82	IQS62X_EVENT_HALL_S_P,
     83
     84	/* everything else */
     85	IQS62X_EVENT_SYS_RESET,
     86	IQS62X_EVENT_SYS_ATI,
     87};
     88
     89struct iqs62x_event_data {
     90	u16 ui_data;
     91	u8 als_flags;
     92	u8 ir_flags;
     93	u8 interval;
     94};
     95
     96struct iqs62x_event_desc {
     97	enum iqs62x_event_reg reg;
     98	u8 mask;
     99	u8 val;
    100};
    101
    102struct iqs62x_dev_desc {
    103	const char *dev_name;
    104	const struct mfd_cell *sub_devs;
    105	int num_sub_devs;
    106	u8 prod_num;
    107	u8 sw_num;
    108	const u8 *cal_regs;
    109	int num_cal_regs;
    110	u8 prox_mask;
    111	u8 sar_mask;
    112	u8 hall_mask;
    113	u8 hyst_mask;
    114	u8 temp_mask;
    115	u8 als_mask;
    116	u8 ir_mask;
    117	u8 prox_settings;
    118	u8 als_flags;
    119	u8 hall_flags;
    120	u8 hyst_shift;
    121	u8 interval;
    122	u8 interval_div;
    123	const char *fw_name;
    124	const enum iqs62x_event_reg (*event_regs)[IQS62X_EVENT_SIZE];
    125};
    126
    127struct iqs62x_core {
    128	const struct iqs62x_dev_desc *dev_desc;
    129	struct i2c_client *client;
    130	struct regmap *regmap;
    131	struct blocking_notifier_head nh;
    132	struct list_head fw_blk_head;
    133	struct completion ati_done;
    134	struct completion fw_done;
    135	enum iqs62x_ui_sel ui_sel;
    136	unsigned long event_cache;
    137	u8 sw_num;
    138	u8 hw_num;
    139};
    140
    141extern const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS];
    142
    143#endif /* __LINUX_MFD_IQS62X_H */