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linux/drivers/mfd/wm8350-irq.c
Mark Brown e0a3389ab9 mfd: Split wm8350 IRQ code into a separate file 
In preparation for refactoring - it's over 700 lines of well-isolated
code and having it in a file by itself makes things more managable.

While we're at it make sure that we clean up the IRQ if we fail after
acquiring it on init.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13 19:20:55 +01:00

805 lines
27 KiB
C
Raw Blame History

/*
* wm8350-irq.c -- IRQ support for Wolfson WM8350
*
* Copyright 2007, 2008, 2009 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/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>
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);
}
/*
* This is a threaded IRQ handler so can access I2C/SPI. 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 irqreturn_t wm8350_irq(int irq, void *data)
{
struct wm8350 *wm8350 = data;
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));
}
}
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,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_HIB_STATE_EINT);
case WM8350_IRQ_WKUP_CONV_FAULT:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_CONV_FAULT_EINT);
case WM8350_IRQ_WKUP_WDOG_RST:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_OFF_STATE_EINT);
case WM8350_IRQ_WKUP_GP_PWR_ON:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_GP_PWR_ON_EINT);
case WM8350_IRQ_WKUP_ONKEY:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_ONKEY_EINT);
case WM8350_IRQ_WKUP_GP_WAKEUP:
return wm8350_clear_bits(wm8350,
WM8350_COMPARATOR_INT_STATUS_MASK,
WM8350_IM_WKUP_GP_WAKEUP_EINT);
case WM8350_IRQ_GPIO(0):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP0_EINT);
case WM8350_IRQ_GPIO(1):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP1_EINT);
case WM8350_IRQ_GPIO(2):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP2_EINT);
case WM8350_IRQ_GPIO(3):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP3_EINT);
case WM8350_IRQ_GPIO(4):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP4_EINT);
case WM8350_IRQ_GPIO(5):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP5_EINT);
case WM8350_IRQ_GPIO(6):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP6_EINT);
case WM8350_IRQ_GPIO(7):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP7_EINT);
case WM8350_IRQ_GPIO(8):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP8_EINT);
case WM8350_IRQ_GPIO(9):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP9_EINT);
case WM8350_IRQ_GPIO(10):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP10_EINT);
case WM8350_IRQ_GPIO(11):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP11_EINT);
case WM8350_IRQ_GPIO(12):
return wm8350_clear_bits(wm8350,
WM8350_GPIO_INT_STATUS_MASK,
WM8350_IM_GP12_EINT);
default:
dev_warn(wm8350->dev, "Attempting to unmask unknown IRQ %d\n",
irq);
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL_GPL(wm8350_unmask_irq);
int wm8350_irq_init(struct wm8350 *wm8350, int irq,
struct wm8350_platform_data *pdata)
{
int ret;
int flags = IRQF_ONESHOT;
if (!irq) {
dev_err(wm8350->dev, "No IRQ configured\n");
return -EINVAL;
}
wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);
wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF);
wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF);
wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF);
wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF);
wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF);
mutex_init(&wm8350->irq_mutex);
wm8350->chip_irq = irq;
if (pdata && pdata->irq_high) {
flags |= IRQF_TRIGGER_HIGH;
wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
WM8350_IRQ_POL);
} else {
flags |= IRQF_TRIGGER_LOW;
wm8350_clear_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
WM8350_IRQ_POL);
}
ret = request_threaded_irq(irq, NULL, wm8350_irq, flags,
"wm8350", wm8350);
if (ret != 0)
dev_err(wm8350->dev, "Failed to request IRQ: %d\n", ret);
return ret;
}
int wm8350_irq_exit(struct wm8350 *wm8350)
{
free_irq(wm8350->chip_irq, wm8350);
return 0;
}
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