cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

core.h (3282B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * include/linux/mfd/wm8994/core.h -- Core interface for WM8994
      4 *
      5 * Copyright 2009 Wolfson Microelectronics PLC.
      6 *
      7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
      8 */
      9
     10#ifndef __MFD_WM8994_CORE_H__
     11#define __MFD_WM8994_CORE_H__
     12
     13#include <linux/mutex.h>
     14#include <linux/interrupt.h>
     15#include <linux/regmap.h>
     16
     17#include <linux/mfd/wm8994/pdata.h>
     18
     19enum wm8994_type {
     20	WM8994 = 0,
     21	WM8958 = 1,
     22	WM1811 = 2,
     23};
     24
     25struct regulator_dev;
     26struct regulator_bulk_data;
     27struct irq_domain;
     28
     29#define WM8994_NUM_GPIO_REGS 11
     30#define WM8994_NUM_LDO_REGS   2
     31#define WM8994_NUM_IRQ_REGS   2
     32
     33#define WM8994_IRQ_TEMP_SHUT		0
     34#define WM8994_IRQ_MIC1_DET		1
     35#define WM8994_IRQ_MIC1_SHRT		2
     36#define WM8994_IRQ_MIC2_DET		3
     37#define WM8994_IRQ_MIC2_SHRT		4
     38#define WM8994_IRQ_FLL1_LOCK		5
     39#define WM8994_IRQ_FLL2_LOCK		6
     40#define WM8994_IRQ_SRC1_LOCK		7
     41#define WM8994_IRQ_SRC2_LOCK		8
     42#define WM8994_IRQ_AIF1DRC1_SIG_DET	9
     43#define WM8994_IRQ_AIF1DRC2_SIG_DET	10
     44#define WM8994_IRQ_AIF2DRC_SIG_DET	11
     45#define WM8994_IRQ_FIFOS_ERR		12
     46#define WM8994_IRQ_WSEQ_DONE		13
     47#define WM8994_IRQ_DCS_DONE		14
     48#define WM8994_IRQ_TEMP_WARN		15
     49
     50/* GPIOs in the chip are numbered from 1-11 */
     51#define WM8994_IRQ_GPIO(x) (x + WM8994_IRQ_TEMP_WARN)
     52
     53struct wm8994 {
     54	struct wm8994_pdata pdata;
     55
     56	enum wm8994_type type;
     57	int revision;
     58	int cust_id;
     59
     60	struct device *dev;
     61	struct regmap *regmap;
     62
     63	bool ldo_ena_always_driven;
     64
     65	int gpio_base;
     66	int irq_base;
     67
     68	int irq;
     69	struct regmap_irq_chip_data *irq_data;
     70	struct irq_domain *edge_irq;
     71
     72	/* Used over suspend/resume */
     73	bool suspended;
     74
     75	struct regulator_dev *dbvdd;
     76	int num_supplies;
     77	struct regulator_bulk_data *supplies;
     78};
     79
     80/* Device I/O API */
     81
     82static inline int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg)
     83{
     84	unsigned int val;
     85	int ret;
     86
     87	ret = regmap_read(wm8994->regmap, reg, &val);
     88
     89	if (ret < 0)
     90		return ret;
     91	else
     92		return val;
     93}
     94
     95static inline int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg,
     96				   unsigned short val)
     97{
     98	return regmap_write(wm8994->regmap, reg, val);
     99}
    100
    101static inline int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
    102				   int count, u16 *buf)
    103{
    104	return regmap_bulk_read(wm8994->regmap, reg, buf, count);
    105}
    106
    107static inline int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg,
    108				    int count, const u16 *buf)
    109{
    110	return regmap_raw_write(wm8994->regmap, reg, buf, count * sizeof(u16));
    111}
    112
    113static inline int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg,
    114		    unsigned short mask, unsigned short val)
    115{
    116	return regmap_update_bits(wm8994->regmap, reg, mask, val);
    117}
    118
    119/* Helper to save on boilerplate */
    120static inline int wm8994_request_irq(struct wm8994 *wm8994, int irq,
    121				     irq_handler_t handler, const char *name,
    122				     void *data)
    123{
    124	if (!wm8994->irq_data)
    125		return -EINVAL;
    126	return request_threaded_irq(regmap_irq_get_virq(wm8994->irq_data, irq),
    127				    NULL, handler, IRQF_TRIGGER_RISING, name,
    128				    data);
    129}
    130static inline void wm8994_free_irq(struct wm8994 *wm8994, int irq, void *data)
    131{
    132	if (!wm8994->irq_data)
    133		return;
    134	free_irq(regmap_irq_get_virq(wm8994->irq_data, irq), data);
    135}
    136
    137int wm8994_irq_init(struct wm8994 *wm8994);
    138void wm8994_irq_exit(struct wm8994 *wm8994);
    139
    140#endif