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Date: Mon, 12 Oct 2009 16:15:09 +0100
From: Mark Brown <broonie@...nsource.wolfsonmicro.com>
To: Samuel Ortiz <sameo@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 1/2] 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@...nsource.wolfsonmicro.com>
---
drivers/mfd/Makefile | 1 +
drivers/mfd/wm8350-core.c | 769 +-------------------------------------
drivers/mfd/wm8350-irq.c | 804 +++++++++++++++++++++++++++++++++++++++
include/linux/mfd/wm8350/core.h | 4 +-
4 files changed, 815 insertions(+), 763 deletions(-)
create mode 100644 drivers/mfd/wm8350-irq.c
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 9baebbe..62405ba 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_MFD_WM8400) += wm8400-core.o
wm831x-objs := wm831x-core.o wm831x-irq.o wm831x-otp.o
obj-$(CONFIG_MFD_WM831X) += wm831x.o
wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o
+wm8350-objs += wm8350-irq.o
obj-$(CONFIG_MFD_WM8350) += wm8350.o
obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index ba27c9d..242795f 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -337,733 +337,6 @@ int wm8350_reg_unlock(struct wm8350 *wm8350)
}
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);
-}
-
-/*
- * 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_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
{
u16 reg, result = 0;
@@ -1409,49 +682,18 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
return ret;
}
- 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->auxadc_mutex);
- mutex_init(&wm8350->irq_mutex);
- if (irq) {
- int flags = IRQF_ONESHOT;
-
- 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);
- goto err;
- }
- } else {
- dev_err(wm8350->dev, "No IRQ configured\n");
+ ret = wm8350_irq_init(wm8350, irq, pdata);
+ if (ret < 0)
goto err;
- }
- wm8350->chip_irq = irq;
if (pdata && pdata->init) {
ret = pdata->init(wm8350);
if (ret != 0) {
dev_err(wm8350->dev, "Platform init() failed: %d\n",
ret);
- goto err;
+ goto err_irq;
}
}
@@ -1470,6 +712,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
return 0;
+err_irq:
+ wm8350_irq_exit(wm8350);
err:
kfree(wm8350->reg_cache);
return ret;
@@ -1493,7 +737,8 @@ void wm8350_device_exit(struct wm8350 *wm8350)
platform_device_unregister(wm8350->gpio.pdev);
platform_device_unregister(wm8350->codec.pdev);
- free_irq(wm8350->chip_irq, wm8350);
+ wm8350_irq_exit(wm8350);
+
kfree(wm8350->reg_cache);
}
EXPORT_SYMBOL_GPL(wm8350_device_exit);
diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
new file mode 100644
index 0000000..a432e2b
--- /dev/null
+++ b/drivers/mfd/wm8350-irq.c
@@ -0,0 +1,804 @@
+/*
+ * 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;
+}
diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
index 1d595de..32197fd 100644
--- a/include/linux/mfd/wm8350/core.h
+++ b/include/linux/mfd/wm8350/core.h
@@ -681,6 +681,8 @@ int wm8350_register_irq(struct wm8350 *wm8350, int irq,
int wm8350_free_irq(struct wm8350 *wm8350, int irq);
int wm8350_mask_irq(struct wm8350 *wm8350, int irq);
int wm8350_unmask_irq(struct wm8350 *wm8350, int irq);
-
+int wm8350_irq_init(struct wm8350 *wm8350, int irq,
+ struct wm8350_platform_data *pdata);
+int wm8350_irq_exit(struct wm8350 *wm8350);
#endif
--
1.6.4.3
--
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