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wm8350-core.c
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/*
* wm8350-core.c -- Device access for Wolfson WM8350
*
* Copyright 2007, 2008 Wolfson Microelectronics PLC.
*
* Author: Liam Girdwood, Mark Brown
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/bug.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/audio.h>
#include <linux/mfd/wm8350/comparator.h>
#include <linux/mfd/wm8350/gpio.h>
#include <linux/mfd/wm8350/pmic.h>
#include <linux/mfd/wm8350/rtc.h>
#include <linux/mfd/wm8350/supply.h>
#include <linux/mfd/wm8350/wdt.h>
#define WM8350_UNLOCK_KEY 0x0013
#define WM8350_LOCK_KEY 0x0000
#define WM8350_CLOCK_CONTROL_1 0x28
#define WM8350_AIF_TEST 0x74
/* debug */
#define WM8350_BUS_DEBUG 0
#if WM8350_BUS_DEBUG
#define dump(regs, src) do { \
int i_; \
u16 *src_ = src; \
printk(KERN_DEBUG); \
for (i_ = 0; i_ < regs; i_++) \
printk(" 0x%4.4x", *src_++); \
printk("\n"); \
} while (0);
#else
#define dump(bytes, src)
#endif
#define WM8350_LOCK_DEBUG 0
#if WM8350_LOCK_DEBUG
#define ldbg(format, arg...) printk(format, ## arg)
#else
#define ldbg(format, arg...)
#endif
/*
* WM8350 Device IO
*/
static DEFINE_MUTEX(io_mutex);
static DEFINE_MUTEX(reg_lock_mutex);
/* Perform a physical read from the device.
*/
static int wm8350_phys_read(struct wm8350 *wm8350, u8 reg, int num_regs,
u16 *dest)
{
int i, ret;
int bytes = num_regs * 2;
dev_dbg(wm8350->dev, "volatile read\n");
ret = wm8350->read_dev(wm8350, reg, bytes, (char *)dest);
for (i = reg; i < reg + num_regs; i++) {
/* Cache is CPU endian */
dest[i - reg] = be16_to_cpu(dest[i - reg]);
/* Satisfy non-volatile bits from cache */
dest[i - reg] &= wm8350_reg_io_map[i].vol;
dest[i - reg] |= wm8350->reg_cache[i];
/* Mask out non-readable bits */
dest[i - reg] &= wm8350_reg_io_map[i].readable;
}
dump(num_regs, dest);
return ret;
}
static int wm8350_read(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *dest)
{
int i;
int end = reg + num_regs;
int ret = 0;
int bytes = num_regs * 2;
if (wm8350->read_dev == NULL)
return -ENODEV;
if ((reg + num_regs - 1) > WM8350_MAX_REGISTER) {
dev_err(wm8350->dev, "invalid reg %x\n",
reg + num_regs - 1);
return -EINVAL;
}
dev_dbg(wm8350->dev,
"%s R%d(0x%2.2x) %d regs\n", __func__, reg, reg, num_regs);
#if WM8350_BUS_DEBUG
/* we can _safely_ read any register, but warn if read not supported */
for (i = reg; i < end; i++) {
if (!wm8350_reg_io_map[i].readable)
dev_warn(wm8350->dev,
"reg R%d is not readable\n", i);
}
#endif
/* if any volatile registers are required, then read back all */
for (i = reg; i < end; i++)
if (wm8350_reg_io_map[i].vol)
return wm8350_phys_read(wm8350, reg, num_regs, dest);
/* no volatiles, then cache is good */
dev_dbg(wm8350->dev, "cache read\n");
memcpy(dest, &wm8350->reg_cache[reg], bytes);
dump(num_regs, dest);
return ret;
}
static inline int is_reg_locked(struct wm8350 *wm8350, u8 reg)
{
if (reg == WM8350_SECURITY ||
wm8350->reg_cache[WM8350_SECURITY] == WM8350_UNLOCK_KEY)
return 0;
if ((reg == WM8350_GPIO_CONFIGURATION_I_O) ||
(reg >= WM8350_GPIO_FUNCTION_SELECT_1 &&
reg <= WM8350_GPIO_FUNCTION_SELECT_4) ||
(reg >= WM8350_BATTERY_CHARGER_CONTROL_1 &&
reg <= WM8350_BATTERY_CHARGER_CONTROL_3))
return 1;
return 0;
}
static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src)
{
int i;
int end = reg + num_regs;
int bytes = num_regs * 2;
if (wm8350->write_dev == NULL)
return -ENODEV;
if ((reg + num_regs - 1) > WM8350_MAX_REGISTER) {
dev_err(wm8350->dev, "invalid reg %x\n",
reg + num_regs - 1);
return -EINVAL;
}
/* it's generally not a good idea to write to RO or locked registers */
for (i = reg; i < end; i++) {
if (!wm8350_reg_io_map[i].writable) {
dev_err(wm8350->dev,
"attempted write to read only reg R%d\n", i);
return -EINVAL;
}
if (is_reg_locked(wm8350, i)) {
dev_err(wm8350->dev,
"attempted write to locked reg R%d\n", i);
return -EINVAL;
}
src[i - reg] &= wm8350_reg_io_map[i].writable;
wm8350->reg_cache[i] =
(wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable)
| src[i - reg];
/* Don't store volatile bits */
wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol;
src[i - reg] = cpu_to_be16(src[i - reg]);
}
/* Actually write it out */
return wm8350->write_dev(wm8350, reg, bytes, (char *)src);
}
/*
* Safe read, modify, write methods
*/
int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask)
{
u16 data;
int err;
mutex_lock(&io_mutex);
err = wm8350_read(wm8350, reg, 1, &data);
if (err) {
dev_err(wm8350->dev, "read from reg R%d failed\n", reg);
goto out;
}
data &= ~mask;
err = wm8350_write(wm8350, reg, 1, &data);
if (err)
dev_err(wm8350->dev, "write to reg R%d failed\n", reg);
out:
mutex_unlock(&io_mutex);
return err;
}
EXPORT_SYMBOL_GPL(wm8350_clear_bits);
int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask)
{
u16 data;
int err;
mutex_lock(&io_mutex);
err = wm8350_read(wm8350, reg, 1, &data);
if (err) {
dev_err(wm8350->dev, "read from reg R%d failed\n", reg);
goto out;
}
data |= mask;
err = wm8350_write(wm8350, reg, 1, &data);
if (err)
dev_err(wm8350->dev, "write to reg R%d failed\n", reg);
out:
mutex_unlock(&io_mutex);
return err;
}
EXPORT_SYMBOL_GPL(wm8350_set_bits);
u16 wm8350_reg_read(struct wm8350 *wm8350, int reg)
{
u16 data;
int err;
mutex_lock(&io_mutex);
err = wm8350_read(wm8350, reg, 1, &data);
if (err)
dev_err(wm8350->dev, "read from reg R%d failed\n", reg);
mutex_unlock(&io_mutex);
return data;
}
EXPORT_SYMBOL_GPL(wm8350_reg_read);
int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val)
{
int ret;
u16 data = val;
mutex_lock(&io_mutex);
ret = wm8350_write(wm8350, reg, 1, &data);
if (ret)
dev_err(wm8350->dev, "write to reg R%d failed\n", reg);
mutex_unlock(&io_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(wm8350_reg_write);
int wm8350_block_read(struct wm8350 *wm8350, int start_reg, int regs,
u16 *dest)
{
int err = 0;
mutex_lock(&io_mutex);
err = wm8350_read(wm8350, start_reg, regs, dest);
if (err)
dev_err(wm8350->dev, "block read starting from R%d failed\n",
start_reg);
mutex_unlock(&io_mutex);
return err;
}
EXPORT_SYMBOL_GPL(wm8350_block_read);
int wm8350_block_write(struct wm8350 *wm8350, int start_reg, int regs,
u16 *src)
{
int ret = 0;
mutex_lock(&io_mutex);
ret = wm8350_write(wm8350, start_reg, regs, src);
if (ret)
dev_err(wm8350->dev, "block write starting at R%d failed\n",
start_reg);
mutex_unlock(&io_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(wm8350_block_write);
/**
* wm8350_reg_lock()
*
* The WM8350 has a hardware lock which can be used to prevent writes to
* some registers (generally those which can cause particularly serious
* problems if misused). This function enables that lock.
*/
int wm8350_reg_lock(struct wm8350 *wm8350)
{
u16 key = WM8350_LOCK_KEY;
int ret;
ldbg(__func__);
mutex_lock(&io_mutex);
ret = wm8350_write(wm8350, WM8350_SECURITY, 1, &key);
if (ret)
dev_err(wm8350->dev, "lock failed\n");
mutex_unlock(&io_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(wm8350_reg_lock);
/**
* wm8350_reg_unlock()
*
* The WM8350 has a hardware lock which can be used to prevent writes to
* some registers (generally those which can cause particularly serious
* problems if misused). This function disables that lock so updates
* can be performed. For maximum safety this should be done only when
* required.
*/
int wm8350_reg_unlock(struct wm8350 *wm8350)
{
u16 key = WM8350_UNLOCK_KEY;
int ret;
ldbg(__func__);
mutex_lock(&io_mutex);
ret = wm8350_write(wm8350, WM8350_SECURITY, 1, &key);
if (ret)
dev_err(wm8350->dev, "unlock failed\n");
mutex_unlock(&io_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(wm8350_reg_unlock);
static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
{
mutex_lock(&wm8350->irq_mutex);
if (wm8350->irq[irq].handler)
wm8350->irq[irq].handler(wm8350, irq, wm8350->irq[irq].data);
else {
dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n",
irq);
wm8350_mask_irq(wm8350, irq);
}
mutex_unlock(&wm8350->irq_mutex);
}
/*
* wm8350_irq_worker actually handles the interrupts. Since all
* interrupts are clear on read the IRQ line will be reasserted and
* the physical IRQ will be handled again if another interrupt is
* asserted while we run - in the normal course of events this is a
* rare occurrence so we save I2C/SPI reads.
*/
static void wm8350_irq_worker(struct work_struct *work)
{
struct wm8350 *wm8350 = container_of(work, struct wm8350, irq_work);
u16 level_one, status1, status2, comp;
/* TODO: Use block reads to improve performance? */
level_one = wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS)
& ~wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK);
status1 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_1)
& ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_1_MASK);
status2 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_2)
& ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_2_MASK);
comp = wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS)
& ~wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK);
/* over current */
if (level_one & WM8350_OC_INT) {
u16 oc;
oc = wm8350_reg_read(wm8350, WM8350_OVER_CURRENT_INT_STATUS);
oc &= ~wm8350_reg_read(wm8350,
WM8350_OVER_CURRENT_INT_STATUS_MASK);
if (oc & WM8350_OC_LS_EINT) /* limit switch */
wm8350_irq_call_handler(wm8350, WM8350_IRQ_OC_LS);
}
/* under voltage */
if (level_one & WM8350_UV_INT) {
u16 uv;
uv = wm8350_reg_read(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS);
uv &= ~wm8350_reg_read(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK);
if (uv & WM8350_UV_DC1_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC1);
if (uv & WM8350_UV_DC2_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC2);
if (uv & WM8350_UV_DC3_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC3);
if (uv & WM8350_UV_DC4_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC4);
if (uv & WM8350_UV_DC5_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC5);
if (uv & WM8350_UV_DC6_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC6);
if (uv & WM8350_UV_LDO1_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO1);
if (uv & WM8350_UV_LDO2_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO2);
if (uv & WM8350_UV_LDO3_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO3);
if (uv & WM8350_UV_LDO4_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO4);
}
/* charger, RTC */
if (status1) {
if (status1 & WM8350_CHG_BAT_HOT_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_BAT_HOT);
if (status1 & WM8350_CHG_BAT_COLD_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_BAT_COLD);
if (status1 & WM8350_CHG_BAT_FAIL_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_BAT_FAIL);
if (status1 & WM8350_CHG_TO_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_TO);
if (status1 & WM8350_CHG_END_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_END);
if (status1 & WM8350_CHG_START_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_START);
if (status1 & WM8350_CHG_FAST_RDY_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_FAST_RDY);
if (status1 & WM8350_CHG_VBATT_LT_3P9_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_VBATT_LT_3P9);
if (status1 & WM8350_CHG_VBATT_LT_3P1_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_VBATT_LT_3P1);
if (status1 & WM8350_CHG_VBATT_LT_2P85_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CHG_VBATT_LT_2P85);
if (status1 & WM8350_RTC_ALM_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_ALM);
if (status1 & WM8350_RTC_SEC_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_SEC);
if (status1 & WM8350_RTC_PER_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_PER);
}
/* current sink, system, aux adc */
if (status2) {
if (status2 & WM8350_CS1_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS1);
if (status2 & WM8350_CS2_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS2);
if (status2 & WM8350_SYS_HYST_COMP_FAIL_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_SYS_HYST_COMP_FAIL);
if (status2 & WM8350_SYS_CHIP_GT115_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_SYS_CHIP_GT115);
if (status2 & WM8350_SYS_CHIP_GT140_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_SYS_CHIP_GT140);
if (status2 & WM8350_SYS_WDOG_TO_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_SYS_WDOG_TO);
if (status2 & WM8350_AUXADC_DATARDY_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_AUXADC_DATARDY);
if (status2 & WM8350_AUXADC_DCOMP4_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_AUXADC_DCOMP4);
if (status2 & WM8350_AUXADC_DCOMP3_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_AUXADC_DCOMP3);
if (status2 & WM8350_AUXADC_DCOMP2_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_AUXADC_DCOMP2);
if (status2 & WM8350_AUXADC_DCOMP1_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_AUXADC_DCOMP1);
if (status2 & WM8350_USB_LIMIT_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_USB_LIMIT);
}
/* wake, codec, ext */
if (comp) {
if (comp & WM8350_WKUP_OFF_STATE_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_WKUP_OFF_STATE);
if (comp & WM8350_WKUP_HIB_STATE_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_WKUP_HIB_STATE);
if (comp & WM8350_WKUP_CONV_FAULT_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_WKUP_CONV_FAULT);
if (comp & WM8350_WKUP_WDOG_RST_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_WKUP_WDOG_RST);
if (comp & WM8350_WKUP_GP_PWR_ON_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_WKUP_GP_PWR_ON);
if (comp & WM8350_WKUP_ONKEY_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_WKUP_ONKEY);
if (comp & WM8350_WKUP_GP_WAKEUP_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_WKUP_GP_WAKEUP);
if (comp & WM8350_CODEC_JCK_DET_L_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CODEC_JCK_DET_L);
if (comp & WM8350_CODEC_JCK_DET_R_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CODEC_JCK_DET_R);
if (comp & WM8350_CODEC_MICSCD_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_CODEC_MICSCD);
if (comp & WM8350_CODEC_MICD_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_CODEC_MICD);
if (comp & WM8350_EXT_USB_FB_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_USB_FB);
if (comp & WM8350_EXT_WALL_FB_EINT)
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_EXT_WALL_FB);
if (comp & WM8350_EXT_BAT_FB_EINT)
wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_BAT_FB);
}
if (level_one & WM8350_GP_INT) {
int i;
u16 gpio;
gpio = wm8350_reg_read(wm8350, WM8350_GPIO_INT_STATUS);
gpio &= ~wm8350_reg_read(wm8350,
WM8350_GPIO_INT_STATUS_MASK);
for (i = 0; i < 12; i++) {
if (gpio & (1 << i))
wm8350_irq_call_handler(wm8350,
WM8350_IRQ_GPIO(i));
}
}
enable_irq(wm8350->chip_irq);
}
static irqreturn_t wm8350_irq(int irq, void *data)
{
struct wm8350 *wm8350 = data;
disable_irq_nosync(irq);
schedule_work(&wm8350->irq_work);
return IRQ_HANDLED;
}
int wm8350_register_irq(struct wm8350 *wm8350, int irq,
void (*handler) (struct wm8350 *, int, void *),
void *data)
{
if (irq < 0 || irq > WM8350_NUM_IRQ || !handler)
return -EINVAL;
if (wm8350->irq[irq].handler)
return -EBUSY;
mutex_lock(&wm8350->irq_mutex);
wm8350->irq[irq].handler = handler;
wm8350->irq[irq].data = data;
mutex_unlock(&wm8350->irq_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(wm8350_register_irq);
int wm8350_free_irq(struct wm8350 *wm8350, int irq)
{
if (irq < 0 || irq > WM8350_NUM_IRQ)
return -EINVAL;
mutex_lock(&wm8350->irq_mutex);
wm8350->irq[irq].handler = NULL;
mutex_unlock(&wm8350->irq_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(wm8350_free_irq);
int wm8350_mask_irq(struct wm8350 *wm8350, int irq)
{
switch (irq) {
case WM8350_IRQ_CHG_BAT_HOT:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_BAT_HOT_EINT);
case WM8350_IRQ_CHG_BAT_COLD:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_BAT_COLD_EINT);
case WM8350_IRQ_CHG_BAT_FAIL:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_BAT_FAIL_EINT);
case WM8350_IRQ_CHG_TO:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_TO_EINT);
case WM8350_IRQ_CHG_END:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_END_EINT);
case WM8350_IRQ_CHG_START:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_START_EINT);
case WM8350_IRQ_CHG_FAST_RDY:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_FAST_RDY_EINT);
case WM8350_IRQ_RTC_PER:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_RTC_PER_EINT);
case WM8350_IRQ_RTC_SEC:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_RTC_SEC_EINT);
case WM8350_IRQ_RTC_ALM:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_RTC_ALM_EINT);
case WM8350_IRQ_CHG_VBATT_LT_3P9:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_VBATT_LT_3P9_EINT);
case WM8350_IRQ_CHG_VBATT_LT_3P1:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_VBATT_LT_3P1_EINT);
case WM8350_IRQ_CHG_VBATT_LT_2P85:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_VBATT_LT_2P85_EINT);
case WM8350_IRQ_CS1:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_CS1_EINT);
case WM8350_IRQ_CS2:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_CS2_EINT);
case WM8350_IRQ_USB_LIMIT:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_USB_LIMIT_EINT);
case WM8350_IRQ_AUXADC_DATARDY:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DATARDY_EINT);
case WM8350_IRQ_AUXADC_DCOMP4:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP4_EINT);
case WM8350_IRQ_AUXADC_DCOMP3:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP3_EINT);
case WM8350_IRQ_AUXADC_DCOMP2:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP2_EINT);
case WM8350_IRQ_AUXADC_DCOMP1:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP1_EINT);
case WM8350_IRQ_SYS_HYST_COMP_FAIL:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
case WM8350_IRQ_SYS_CHIP_GT115:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_CHIP_GT115_EINT);
case WM8350_IRQ_SYS_CHIP_GT140:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_CHIP_GT140_EINT);
case WM8350_IRQ_SYS_WDOG_TO:
return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_WDOG_TO_EINT);
case WM8350_IRQ_UV_LDO4:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO4_EINT);
case WM8350_IRQ_UV_LDO3:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO3_EINT);
case WM8350_IRQ_UV_LDO2:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO2_EINT);
case WM8350_IRQ_UV_LDO1:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO1_EINT);
case WM8350_IRQ_UV_DC6:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC6_EINT);
case WM8350_IRQ_UV_DC5:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC5_EINT);
case WM8350_IRQ_UV_DC4:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC4_EINT);
case WM8350_IRQ_UV_DC3:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC3_EINT);
case WM8350_IRQ_UV_DC2:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC2_EINT);
case WM8350_IRQ_UV_DC1:
return wm8350_set_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC1_EINT);
case WM8350_IRQ_OC_LS:
return wm8350_set_bits(wm8350,
WM8350_OVER_CURRENT_INT_STATUS_MASK,
WM8350_IM_OC_LS_EINT);
case WM8350_IRQ_EXT_USB_FB:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_EXT_USB_FB_EINT);
case WM8350_IRQ_EXT_WALL_FB:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_EXT_WALL_FB_EINT);
case WM8350_IRQ_EXT_BAT_FB:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_EXT_BAT_FB_EINT);
case WM8350_IRQ_CODEC_JCK_DET_L:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_JCK_DET_L_EINT);
case WM8350_IRQ_CODEC_JCK_DET_R:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_JCK_DET_R_EINT);
case WM8350_IRQ_CODEC_MICSCD:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_MICSCD_EINT);
case WM8350_IRQ_CODEC_MICD:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_MICD_EINT);
case WM8350_IRQ_WKUP_OFF_STATE:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_OFF_STATE_EINT);
case WM8350_IRQ_WKUP_HIB_STATE:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_HIB_STATE_EINT);
case WM8350_IRQ_WKUP_CONV_FAULT:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_CONV_FAULT_EINT);
case WM8350_IRQ_WKUP_WDOG_RST:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_OFF_STATE_EINT);
case WM8350_IRQ_WKUP_GP_PWR_ON:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_GP_PWR_ON_EINT);
case WM8350_IRQ_WKUP_ONKEY:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_ONKEY_EINT);
case WM8350_IRQ_WKUP_GP_WAKEUP:
return wm8350_set_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_GP_WAKEUP_EINT);
case WM8350_IRQ_GPIO(0):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP0_EINT);
case WM8350_IRQ_GPIO(1):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP1_EINT);
case WM8350_IRQ_GPIO(2):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP2_EINT);
case WM8350_IRQ_GPIO(3):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP3_EINT);
case WM8350_IRQ_GPIO(4):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP4_EINT);
case WM8350_IRQ_GPIO(5):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP5_EINT);
case WM8350_IRQ_GPIO(6):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP6_EINT);
case WM8350_IRQ_GPIO(7):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP7_EINT);
case WM8350_IRQ_GPIO(8):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP8_EINT);
case WM8350_IRQ_GPIO(9):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP9_EINT);
case WM8350_IRQ_GPIO(10):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP10_EINT);
case WM8350_IRQ_GPIO(11):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP11_EINT);
case WM8350_IRQ_GPIO(12):
return wm8350_set_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP12_EINT);
default:
dev_warn(wm8350->dev, "Attempting to mask unknown IRQ %d\n",
irq);
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL_GPL(wm8350_mask_irq);
int wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
{
switch (irq) {
case WM8350_IRQ_CHG_BAT_HOT:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_BAT_HOT_EINT);
case WM8350_IRQ_CHG_BAT_COLD:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_BAT_COLD_EINT);
case WM8350_IRQ_CHG_BAT_FAIL:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_BAT_FAIL_EINT);
case WM8350_IRQ_CHG_TO:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_TO_EINT);
case WM8350_IRQ_CHG_END:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_END_EINT);
case WM8350_IRQ_CHG_START:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_START_EINT);
case WM8350_IRQ_CHG_FAST_RDY:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_FAST_RDY_EINT);
case WM8350_IRQ_RTC_PER:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_RTC_PER_EINT);
case WM8350_IRQ_RTC_SEC:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_RTC_SEC_EINT);
case WM8350_IRQ_RTC_ALM:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_RTC_ALM_EINT);
case WM8350_IRQ_CHG_VBATT_LT_3P9:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_VBATT_LT_3P9_EINT);
case WM8350_IRQ_CHG_VBATT_LT_3P1:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_VBATT_LT_3P1_EINT);
case WM8350_IRQ_CHG_VBATT_LT_2P85:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
WM8350_IM_CHG_VBATT_LT_2P85_EINT);
case WM8350_IRQ_CS1:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_CS1_EINT);
case WM8350_IRQ_CS2:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_CS2_EINT);
case WM8350_IRQ_USB_LIMIT:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_USB_LIMIT_EINT);
case WM8350_IRQ_AUXADC_DATARDY:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DATARDY_EINT);
case WM8350_IRQ_AUXADC_DCOMP4:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP4_EINT);
case WM8350_IRQ_AUXADC_DCOMP3:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP3_EINT);
case WM8350_IRQ_AUXADC_DCOMP2:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP2_EINT);
case WM8350_IRQ_AUXADC_DCOMP1:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_AUXADC_DCOMP1_EINT);
case WM8350_IRQ_SYS_HYST_COMP_FAIL:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
case WM8350_IRQ_SYS_CHIP_GT115:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_CHIP_GT115_EINT);
case WM8350_IRQ_SYS_CHIP_GT140:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_CHIP_GT140_EINT);
case WM8350_IRQ_SYS_WDOG_TO:
return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
WM8350_IM_SYS_WDOG_TO_EINT);
case WM8350_IRQ_UV_LDO4:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO4_EINT);
case WM8350_IRQ_UV_LDO3:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO3_EINT);
case WM8350_IRQ_UV_LDO2:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO2_EINT);
case WM8350_IRQ_UV_LDO1:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_LDO1_EINT);
case WM8350_IRQ_UV_DC6:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC6_EINT);
case WM8350_IRQ_UV_DC5:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC5_EINT);
case WM8350_IRQ_UV_DC4:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC4_EINT);
case WM8350_IRQ_UV_DC3:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC3_EINT);
case WM8350_IRQ_UV_DC2:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC2_EINT);
case WM8350_IRQ_UV_DC1:
return wm8350_clear_bits(wm8350,
WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
WM8350_IM_UV_DC1_EINT);
case WM8350_IRQ_OC_LS:
return wm8350_clear_bits(wm8350,
WM8350_OVER_CURRENT_INT_STATUS_MASK,
WM8350_IM_OC_LS_EINT);
case WM8350_IRQ_EXT_USB_FB:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_EXT_USB_FB_EINT);
case WM8350_IRQ_EXT_WALL_FB:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_EXT_WALL_FB_EINT);
case WM8350_IRQ_EXT_BAT_FB:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_EXT_BAT_FB_EINT);
case WM8350_IRQ_CODEC_JCK_DET_L:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_JCK_DET_L_EINT);
case WM8350_IRQ_CODEC_JCK_DET_R:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_JCK_DET_R_EINT);
case WM8350_IRQ_CODEC_MICSCD:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_MICSCD_EINT);
case WM8350_IRQ_CODEC_MICD:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_CODEC_MICD_EINT);
case WM8350_IRQ_WKUP_OFF_STATE:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_OFF_STATE_EINT);
case WM8350_IRQ_WKUP_HIB_STATE:
return wm8350_clear_bits(wm8350,