#include <linux/bug.h>
#include <linux/device.h>
#include <linux/interrupt.h>
-#include <linux/workqueue.h>
+#include <linux/irq.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/audio.h>
#include <linux/mfd/wm8350/supply.h>
#include <linux/mfd/wm8350/wdt.h>
-static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
+#define WM8350_INT_OFFSET_1 0
+#define WM8350_INT_OFFSET_2 1
+#define WM8350_POWER_UP_INT_OFFSET 2
+#define WM8350_UNDER_VOLTAGE_INT_OFFSET 3
+#define WM8350_OVER_CURRENT_INT_OFFSET 4
+#define WM8350_GPIO_INT_OFFSET 5
+#define WM8350_COMPARATOR_INT_OFFSET 6
+
+struct wm8350_irq_data {
+ int primary;
+ int reg;
+ int mask;
+ int primary_only;
+};
+
+static struct wm8350_irq_data wm8350_irqs[] = {
+ [WM8350_IRQ_OC_LS] = {
+ .primary = WM8350_OC_INT,
+ .reg = WM8350_OVER_CURRENT_INT_OFFSET,
+ .mask = WM8350_OC_LS_EINT,
+ .primary_only = 1,
+ },
+ [WM8350_IRQ_UV_DC1] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_DC1_EINT,
+ },
+ [WM8350_IRQ_UV_DC2] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_DC2_EINT,
+ },
+ [WM8350_IRQ_UV_DC3] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_DC3_EINT,
+ },
+ [WM8350_IRQ_UV_DC4] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_DC4_EINT,
+ },
+ [WM8350_IRQ_UV_DC5] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_DC5_EINT,
+ },
+ [WM8350_IRQ_UV_DC6] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_DC6_EINT,
+ },
+ [WM8350_IRQ_UV_LDO1] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_LDO1_EINT,
+ },
+ [WM8350_IRQ_UV_LDO2] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_LDO2_EINT,
+ },
+ [WM8350_IRQ_UV_LDO3] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_LDO3_EINT,
+ },
+ [WM8350_IRQ_UV_LDO4] = {
+ .primary = WM8350_UV_INT,
+ .reg = WM8350_UNDER_VOLTAGE_INT_OFFSET,
+ .mask = WM8350_UV_LDO4_EINT,
+ },
+ [WM8350_IRQ_CHG_BAT_HOT] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_BAT_HOT_EINT,
+ },
+ [WM8350_IRQ_CHG_BAT_COLD] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_BAT_COLD_EINT,
+ },
+ [WM8350_IRQ_CHG_BAT_FAIL] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_BAT_FAIL_EINT,
+ },
+ [WM8350_IRQ_CHG_TO] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_TO_EINT,
+ },
+ [WM8350_IRQ_CHG_END] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_END_EINT,
+ },
+ [WM8350_IRQ_CHG_START] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_START_EINT,
+ },
+ [WM8350_IRQ_CHG_FAST_RDY] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_FAST_RDY_EINT,
+ },
+ [WM8350_IRQ_CHG_VBATT_LT_3P9] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_VBATT_LT_3P9_EINT,
+ },
+ [WM8350_IRQ_CHG_VBATT_LT_3P1] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_VBATT_LT_3P1_EINT,
+ },
+ [WM8350_IRQ_CHG_VBATT_LT_2P85] = {
+ .primary = WM8350_CHG_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_CHG_VBATT_LT_2P85_EINT,
+ },
+ [WM8350_IRQ_RTC_ALM] = {
+ .primary = WM8350_RTC_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_RTC_ALM_EINT,
+ },
+ [WM8350_IRQ_RTC_SEC] = {
+ .primary = WM8350_RTC_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_RTC_SEC_EINT,
+ },
+ [WM8350_IRQ_RTC_PER] = {
+ .primary = WM8350_RTC_INT,
+ .reg = WM8350_INT_OFFSET_1,
+ .mask = WM8350_RTC_PER_EINT,
+ },
+ [WM8350_IRQ_CS1] = {
+ .primary = WM8350_CS_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_CS1_EINT,
+ },
+ [WM8350_IRQ_CS2] = {
+ .primary = WM8350_CS_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_CS2_EINT,
+ },
+ [WM8350_IRQ_SYS_HYST_COMP_FAIL] = {
+ .primary = WM8350_SYS_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_SYS_HYST_COMP_FAIL_EINT,
+ },
+ [WM8350_IRQ_SYS_CHIP_GT115] = {
+ .primary = WM8350_SYS_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_SYS_CHIP_GT115_EINT,
+ },
+ [WM8350_IRQ_SYS_CHIP_GT140] = {
+ .primary = WM8350_SYS_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_SYS_CHIP_GT140_EINT,
+ },
+ [WM8350_IRQ_SYS_WDOG_TO] = {
+ .primary = WM8350_SYS_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_SYS_WDOG_TO_EINT,
+ },
+ [WM8350_IRQ_AUXADC_DATARDY] = {
+ .primary = WM8350_AUXADC_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_AUXADC_DATARDY_EINT,
+ },
+ [WM8350_IRQ_AUXADC_DCOMP4] = {
+ .primary = WM8350_AUXADC_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_AUXADC_DCOMP4_EINT,
+ },
+ [WM8350_IRQ_AUXADC_DCOMP3] = {
+ .primary = WM8350_AUXADC_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_AUXADC_DCOMP3_EINT,
+ },
+ [WM8350_IRQ_AUXADC_DCOMP2] = {
+ .primary = WM8350_AUXADC_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_AUXADC_DCOMP2_EINT,
+ },
+ [WM8350_IRQ_AUXADC_DCOMP1] = {
+ .primary = WM8350_AUXADC_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_AUXADC_DCOMP1_EINT,
+ },
+ [WM8350_IRQ_USB_LIMIT] = {
+ .primary = WM8350_USB_INT,
+ .reg = WM8350_INT_OFFSET_2,
+ .mask = WM8350_USB_LIMIT_EINT,
+ .primary_only = 1,
+ },
+ [WM8350_IRQ_WKUP_OFF_STATE] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_OFF_STATE_EINT,
+ },
+ [WM8350_IRQ_WKUP_HIB_STATE] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_HIB_STATE_EINT,
+ },
+ [WM8350_IRQ_WKUP_CONV_FAULT] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_CONV_FAULT_EINT,
+ },
+ [WM8350_IRQ_WKUP_WDOG_RST] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_WDOG_RST_EINT,
+ },
+ [WM8350_IRQ_WKUP_GP_PWR_ON] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_GP_PWR_ON_EINT,
+ },
+ [WM8350_IRQ_WKUP_ONKEY] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_ONKEY_EINT,
+ },
+ [WM8350_IRQ_WKUP_GP_WAKEUP] = {
+ .primary = WM8350_WKUP_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_WKUP_GP_WAKEUP_EINT,
+ },
+ [WM8350_IRQ_CODEC_JCK_DET_L] = {
+ .primary = WM8350_CODEC_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_CODEC_JCK_DET_L_EINT,
+ },
+ [WM8350_IRQ_CODEC_JCK_DET_R] = {
+ .primary = WM8350_CODEC_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_CODEC_JCK_DET_R_EINT,
+ },
+ [WM8350_IRQ_CODEC_MICSCD] = {
+ .primary = WM8350_CODEC_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_CODEC_MICSCD_EINT,
+ },
+ [WM8350_IRQ_CODEC_MICD] = {
+ .primary = WM8350_CODEC_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_CODEC_MICD_EINT,
+ },
+ [WM8350_IRQ_EXT_USB_FB] = {
+ .primary = WM8350_EXT_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_EXT_USB_FB_EINT,
+ },
+ [WM8350_IRQ_EXT_WALL_FB] = {
+ .primary = WM8350_EXT_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_EXT_WALL_FB_EINT,
+ },
+ [WM8350_IRQ_EXT_BAT_FB] = {
+ .primary = WM8350_EXT_INT,
+ .reg = WM8350_COMPARATOR_INT_OFFSET,
+ .mask = WM8350_EXT_BAT_FB_EINT,
+ },
+ [WM8350_IRQ_GPIO(0)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP0_EINT,
+ },
+ [WM8350_IRQ_GPIO(1)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP1_EINT,
+ },
+ [WM8350_IRQ_GPIO(2)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP2_EINT,
+ },
+ [WM8350_IRQ_GPIO(3)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP3_EINT,
+ },
+ [WM8350_IRQ_GPIO(4)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP4_EINT,
+ },
+ [WM8350_IRQ_GPIO(5)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP5_EINT,
+ },
+ [WM8350_IRQ_GPIO(6)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP6_EINT,
+ },
+ [WM8350_IRQ_GPIO(7)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP7_EINT,
+ },
+ [WM8350_IRQ_GPIO(8)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP8_EINT,
+ },
+ [WM8350_IRQ_GPIO(9)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP9_EINT,
+ },
+ [WM8350_IRQ_GPIO(10)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP10_EINT,
+ },
+ [WM8350_IRQ_GPIO(11)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP11_EINT,
+ },
+ [WM8350_IRQ_GPIO(12)] = {
+ .primary = WM8350_GP_INT,
+ .reg = WM8350_GPIO_INT_OFFSET,
+ .mask = WM8350_GP12_EINT,
+ },
+};
+
+static inline struct wm8350_irq_data *irq_to_wm8350_irq(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);
+ return &wm8350_irqs[irq - wm8350->irq_base];
}
/*
* 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.
+ * rare occurrence so we save I2C/SPI reads. We're also assuming that
+ * it's rare to get lots of interrupts firing simultaneously so try to
+ * minimise I/O.
*/
-static irqreturn_t wm8350_irq(int irq, void *data)
+static irqreturn_t wm8350_irq(int irq, void *irq_data)
{
- struct wm8350 *wm8350 = data;
- u16 level_one, status1, status2, comp;
+ struct wm8350 *wm8350 = irq_data;
+ u16 level_one;
+ u16 sub_reg[WM8350_NUM_IRQ_REGS];
+ int read_done[WM8350_NUM_IRQ_REGS];
+ struct wm8350_irq_data *data;
+ int i;
- /* 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);
- }
+ if (!level_one)
+ return IRQ_NONE;
- /* 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);
- }
+ memset(&read_done, 0, sizeof(read_done));
- /* 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);
- }
+ for (i = 0; i < ARRAY_SIZE(wm8350_irqs); i++) {
+ data = &wm8350_irqs[i];
- if (level_one & WM8350_GP_INT) {
- int i;
- u16 gpio;
+ if (!(level_one & data->primary))
+ continue;
- 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));
+ if (!read_done[data->reg]) {
+ sub_reg[data->reg] =
+ wm8350_reg_read(wm8350, WM8350_INT_STATUS_1 +
+ data->reg);
+ sub_reg[data->reg] &= ~wm8350->irq_masks[data->reg];
+ read_done[data->reg] = 1;
}
+
+ if (sub_reg[data->reg] & data->mask)
+ handle_nested_irq(wm8350->irq_base + i);
}
return IRQ_HANDLED;
}
-int wm8350_register_irq(struct wm8350 *wm8350, int irq,
- void (*handler) (struct wm8350 *, int, void *),
- void *data)
+static void wm8350_irq_lock(unsigned int irq)
{
- 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);
+ struct wm8350 *wm8350 = get_irq_chip_data(irq);
- return 0;
+ mutex_lock(&wm8350->irq_lock);
}
-EXPORT_SYMBOL_GPL(wm8350_register_irq);
-int wm8350_free_irq(struct wm8350 *wm8350, int irq)
+static void wm8350_irq_sync_unlock(unsigned int irq)
{
- if (irq < 0 || irq > WM8350_NUM_IRQ)
- return -EINVAL;
+ struct wm8350 *wm8350 = get_irq_chip_data(irq);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
+ /* If there's been a change in the mask write it back
+ * to the hardware. */
+ if (wm8350->irq_masks[i] !=
+ wm8350->reg_cache[WM8350_INT_STATUS_1_MASK + i])
+ WARN_ON(wm8350_reg_write(wm8350,
+ WM8350_INT_STATUS_1_MASK + i,
+ wm8350->irq_masks[i]));
+ }
- mutex_lock(&wm8350->irq_mutex);
- wm8350->irq[irq].handler = NULL;
- mutex_unlock(&wm8350->irq_mutex);
- return 0;
+ mutex_unlock(&wm8350->irq_lock);
}
-EXPORT_SYMBOL_GPL(wm8350_free_irq);
-int wm8350_mask_irq(struct wm8350 *wm8350, int irq)
+static void wm8350_irq_enable(unsigned 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;
+ struct wm8350 *wm8350 = get_irq_chip_data(irq);
+ struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350, irq);
+
+ wm8350->irq_masks[irq_data->reg] &= ~irq_data->mask;
}
-EXPORT_SYMBOL_GPL(wm8350_mask_irq);
-int wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
+static void wm8350_irq_disable(unsigned 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;
+ struct wm8350 *wm8350 = get_irq_chip_data(irq);
+ struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350, irq);
+
+ wm8350->irq_masks[irq_data->reg] |= irq_data->mask;
}
-EXPORT_SYMBOL_GPL(wm8350_unmask_irq);
+
+static struct irq_chip wm8350_irq_chip = {
+ .name = "wm8350",
+ .bus_lock = wm8350_irq_lock,
+ .bus_sync_unlock = wm8350_irq_sync_unlock,
+ .disable = wm8350_irq_disable,
+ .enable = wm8350_irq_enable,
+};
int wm8350_irq_init(struct wm8350 *wm8350, int irq,
struct wm8350_platform_data *pdata)
{
- int ret;
+ int ret, cur_irq, i;
int flags = IRQF_ONESHOT;
if (!irq) {
- dev_err(wm8350->dev, "No IRQ configured\n");
- return -EINVAL;
+ dev_warn(wm8350->dev, "No interrupt support, no core IRQ\n");
+ return 0;
}
+ if (!pdata || !pdata->irq_base) {
+ dev_warn(wm8350->dev, "No interrupt support, no IRQ base\n");
+ return 0;
+ }
+
+ /* Mask top level interrupts */
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);
+ /* Mask all individual interrupts by default and cache the
+ * masks. We read the masks back since there are unwritable
+ * bits in the mask registers. */
+ for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
+ wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK + i,
+ 0xFFFF);
+ wm8350->irq_masks[i] =
+ wm8350_reg_read(wm8350,
+ WM8350_INT_STATUS_1_MASK + i);
+ }
+
+ mutex_init(&wm8350->irq_lock);
wm8350->chip_irq = irq;
+ wm8350->irq_base = pdata->irq_base;
- if (pdata && pdata->irq_high) {
+ if (pdata->irq_high) {
flags |= IRQF_TRIGGER_HIGH;
wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
WM8350_IRQ_POL);
}
+ /* Register with genirq */
+ for (cur_irq = wm8350->irq_base;
+ cur_irq < ARRAY_SIZE(wm8350_irqs) + wm8350->irq_base;
+ cur_irq++) {
+ set_irq_chip_data(cur_irq, wm8350);
+ set_irq_chip_and_handler(cur_irq, &wm8350_irq_chip,
+ handle_edge_irq);
+ set_irq_nested_thread(cur_irq, 1);
+
+ /* ARM needs us to explicitly flag the IRQ as valid
+ * and will set them noprobe when we do so. */
+#ifdef CONFIG_ARM
+ set_irq_flags(cur_irq, IRQF_VALID);
+#else
+ set_irq_noprobe(cur_irq);
+#endif
+ }
+
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);
+ /* Allow interrupts to fire */
+ wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0);
+
return ret;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff