forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
3.2 KiB
140 lines
3.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
/* |
|
* include/linux/mfd/wm8994/core.h -- Core interface for WM8994 |
|
* |
|
* Copyright 2009 Wolfson Microelectronics PLC. |
|
* |
|
* Author: Mark Brown <[email protected]> |
|
*/ |
|
|
|
#ifndef __MFD_WM8994_CORE_H__ |
|
#define __MFD_WM8994_CORE_H__ |
|
|
|
#include <linux/mutex.h> |
|
#include <linux/interrupt.h> |
|
#include <linux/regmap.h> |
|
|
|
#include <linux/mfd/wm8994/pdata.h> |
|
|
|
enum wm8994_type { |
|
WM8994 = 0, |
|
WM8958 = 1, |
|
WM1811 = 2, |
|
}; |
|
|
|
struct regulator_dev; |
|
struct regulator_bulk_data; |
|
struct irq_domain; |
|
|
|
#define WM8994_NUM_GPIO_REGS 11 |
|
#define WM8994_NUM_LDO_REGS 2 |
|
#define WM8994_NUM_IRQ_REGS 2 |
|
|
|
#define WM8994_IRQ_TEMP_SHUT 0 |
|
#define WM8994_IRQ_MIC1_DET 1 |
|
#define WM8994_IRQ_MIC1_SHRT 2 |
|
#define WM8994_IRQ_MIC2_DET 3 |
|
#define WM8994_IRQ_MIC2_SHRT 4 |
|
#define WM8994_IRQ_FLL1_LOCK 5 |
|
#define WM8994_IRQ_FLL2_LOCK 6 |
|
#define WM8994_IRQ_SRC1_LOCK 7 |
|
#define WM8994_IRQ_SRC2_LOCK 8 |
|
#define WM8994_IRQ_AIF1DRC1_SIG_DET 9 |
|
#define WM8994_IRQ_AIF1DRC2_SIG_DET 10 |
|
#define WM8994_IRQ_AIF2DRC_SIG_DET 11 |
|
#define WM8994_IRQ_FIFOS_ERR 12 |
|
#define WM8994_IRQ_WSEQ_DONE 13 |
|
#define WM8994_IRQ_DCS_DONE 14 |
|
#define WM8994_IRQ_TEMP_WARN 15 |
|
|
|
/* GPIOs in the chip are numbered from 1-11 */ |
|
#define WM8994_IRQ_GPIO(x) (x + WM8994_IRQ_TEMP_WARN) |
|
|
|
struct wm8994 { |
|
struct wm8994_pdata pdata; |
|
|
|
enum wm8994_type type; |
|
int revision; |
|
int cust_id; |
|
|
|
struct device *dev; |
|
struct regmap *regmap; |
|
|
|
bool ldo_ena_always_driven; |
|
|
|
int gpio_base; |
|
int irq_base; |
|
|
|
int irq; |
|
struct regmap_irq_chip_data *irq_data; |
|
struct irq_domain *edge_irq; |
|
|
|
/* Used over suspend/resume */ |
|
bool suspended; |
|
|
|
struct regulator_dev *dbvdd; |
|
int num_supplies; |
|
struct regulator_bulk_data *supplies; |
|
}; |
|
|
|
/* Device I/O API */ |
|
|
|
static inline int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg) |
|
{ |
|
unsigned int val; |
|
int ret; |
|
|
|
ret = regmap_read(wm8994->regmap, reg, &val); |
|
|
|
if (ret < 0) |
|
return ret; |
|
else |
|
return val; |
|
} |
|
|
|
static inline int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg, |
|
unsigned short val) |
|
{ |
|
return regmap_write(wm8994->regmap, reg, val); |
|
} |
|
|
|
static inline int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg, |
|
int count, u16 *buf) |
|
{ |
|
return regmap_bulk_read(wm8994->regmap, reg, buf, count); |
|
} |
|
|
|
static inline int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg, |
|
int count, const u16 *buf) |
|
{ |
|
return regmap_raw_write(wm8994->regmap, reg, buf, count * sizeof(u16)); |
|
} |
|
|
|
static inline int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg, |
|
unsigned short mask, unsigned short val) |
|
{ |
|
return regmap_update_bits(wm8994->regmap, reg, mask, val); |
|
} |
|
|
|
/* Helper to save on boilerplate */ |
|
static inline int wm8994_request_irq(struct wm8994 *wm8994, int irq, |
|
irq_handler_t handler, const char *name, |
|
void *data) |
|
{ |
|
if (!wm8994->irq_data) |
|
return -EINVAL; |
|
return request_threaded_irq(regmap_irq_get_virq(wm8994->irq_data, irq), |
|
NULL, handler, IRQF_TRIGGER_RISING, name, |
|
data); |
|
} |
|
static inline void wm8994_free_irq(struct wm8994 *wm8994, int irq, void *data) |
|
{ |
|
if (!wm8994->irq_data) |
|
return; |
|
free_irq(regmap_irq_get_virq(wm8994->irq_data, irq), data); |
|
} |
|
|
|
int wm8994_irq_init(struct wm8994 *wm8994); |
|
void wm8994_irq_exit(struct wm8994 *wm8994); |
|
|
|
#endif
|
|
|