#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/bug.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/workqueue.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/audio.h>
+#include <linux/mfd/wm8350/comparator.h>
#include <linux/mfd/wm8350/gpio.h>
#include <linux/mfd/wm8350/pmic.h>
+#include <linux/mfd/wm8350/rtc.h>
#include <linux/mfd/wm8350/supply.h>
+#include <linux/mfd/wm8350/wdt.h>
#define WM8350_UNLOCK_KEY 0x0013
#define WM8350_LOCK_KEY 0x0000
(wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable)
| src[i - reg];
+ /* Don't store volatile bits */
+ wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol;
+
src[i - reg] = cpu_to_be16(src[i - reg]);
}
}
EXPORT_SYMBOL_GPL(wm8350_reg_unlock);
+static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
+{
+ mutex_lock(&wm8350->irq_mutex);
+
+ if (wm8350->irq[irq].handler)
+ wm8350->irq[irq].handler(wm8350, irq, wm8350->irq[irq].data);
+ else {
+ dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n",
+ irq);
+ wm8350_mask_irq(wm8350, irq);
+ }
+
+ mutex_unlock(&wm8350->irq_mutex);
+}
+
+/*
+ * wm8350_irq_worker actually handles the interrupts. Since all
+ * interrupts are clear on read the IRQ line will be reasserted and
+ * the physical IRQ will be handled again if another interrupt is
+ * asserted while we run - in the normal course of events this is a
+ * rare occurrence so we save I2C/SPI reads.
+ */
+static void wm8350_irq_worker(struct work_struct *work)
+{
+ struct wm8350 *wm8350 = container_of(work, struct wm8350, irq_work);
+ u16 level_one, status1, status2, comp;
+
+ /* TODO: Use block reads to improve performance? */
+ level_one = wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS)
+ & ~wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK);
+ status1 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_1)
+ & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_1_MASK);
+ status2 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_2)
+ & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_2_MASK);
+ comp = wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS)
+ & ~wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK);
+
+ /* over current */
+ if (level_one & WM8350_OC_INT) {
+ u16 oc;
+
+ oc = wm8350_reg_read(wm8350, WM8350_OVER_CURRENT_INT_STATUS);
+ oc &= ~wm8350_reg_read(wm8350,
+ WM8350_OVER_CURRENT_INT_STATUS_MASK);
+
+ if (oc & WM8350_OC_LS_EINT) /* limit switch */
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_OC_LS);
+ }
+
+ /* under voltage */
+ if (level_one & WM8350_UV_INT) {
+ u16 uv;
+
+ uv = wm8350_reg_read(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS);
+ uv &= ~wm8350_reg_read(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK);
+
+ if (uv & WM8350_UV_DC1_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC1);
+ if (uv & WM8350_UV_DC2_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC2);
+ if (uv & WM8350_UV_DC3_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC3);
+ if (uv & WM8350_UV_DC4_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC4);
+ if (uv & WM8350_UV_DC5_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC5);
+ if (uv & WM8350_UV_DC6_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC6);
+ if (uv & WM8350_UV_LDO1_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO1);
+ if (uv & WM8350_UV_LDO2_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO2);
+ if (uv & WM8350_UV_LDO3_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO3);
+ if (uv & WM8350_UV_LDO4_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO4);
+ }
+
+ /* charger, RTC */
+ if (status1) {
+ if (status1 & WM8350_CHG_BAT_HOT_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_BAT_HOT);
+ if (status1 & WM8350_CHG_BAT_COLD_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_BAT_COLD);
+ if (status1 & WM8350_CHG_BAT_FAIL_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_BAT_FAIL);
+ if (status1 & WM8350_CHG_TO_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_TO);
+ if (status1 & WM8350_CHG_END_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_END);
+ if (status1 & WM8350_CHG_START_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_START);
+ if (status1 & WM8350_CHG_FAST_RDY_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_FAST_RDY);
+ if (status1 & WM8350_CHG_VBATT_LT_3P9_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_VBATT_LT_3P9);
+ if (status1 & WM8350_CHG_VBATT_LT_3P1_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_VBATT_LT_3P1);
+ if (status1 & WM8350_CHG_VBATT_LT_2P85_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CHG_VBATT_LT_2P85);
+ if (status1 & WM8350_RTC_ALM_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_ALM);
+ if (status1 & WM8350_RTC_SEC_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_SEC);
+ if (status1 & WM8350_RTC_PER_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_PER);
+ }
+
+ /* current sink, system, aux adc */
+ if (status2) {
+ if (status2 & WM8350_CS1_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS1);
+ if (status2 & WM8350_CS2_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS2);
+
+ if (status2 & WM8350_SYS_HYST_COMP_FAIL_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_SYS_HYST_COMP_FAIL);
+ if (status2 & WM8350_SYS_CHIP_GT115_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_SYS_CHIP_GT115);
+ if (status2 & WM8350_SYS_CHIP_GT140_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_SYS_CHIP_GT140);
+ if (status2 & WM8350_SYS_WDOG_TO_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_SYS_WDOG_TO);
+
+ if (status2 & WM8350_AUXADC_DATARDY_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_AUXADC_DATARDY);
+ if (status2 & WM8350_AUXADC_DCOMP4_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_AUXADC_DCOMP4);
+ if (status2 & WM8350_AUXADC_DCOMP3_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_AUXADC_DCOMP3);
+ if (status2 & WM8350_AUXADC_DCOMP2_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_AUXADC_DCOMP2);
+ if (status2 & WM8350_AUXADC_DCOMP1_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_AUXADC_DCOMP1);
+
+ if (status2 & WM8350_USB_LIMIT_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_USB_LIMIT);
+ }
+
+ /* wake, codec, ext */
+ if (comp) {
+ if (comp & WM8350_WKUP_OFF_STATE_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_WKUP_OFF_STATE);
+ if (comp & WM8350_WKUP_HIB_STATE_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_WKUP_HIB_STATE);
+ if (comp & WM8350_WKUP_CONV_FAULT_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_WKUP_CONV_FAULT);
+ if (comp & WM8350_WKUP_WDOG_RST_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_WKUP_WDOG_RST);
+ if (comp & WM8350_WKUP_GP_PWR_ON_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_WKUP_GP_PWR_ON);
+ if (comp & WM8350_WKUP_ONKEY_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_WKUP_ONKEY);
+ if (comp & WM8350_WKUP_GP_WAKEUP_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_WKUP_GP_WAKEUP);
+
+ if (comp & WM8350_CODEC_JCK_DET_L_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CODEC_JCK_DET_L);
+ if (comp & WM8350_CODEC_JCK_DET_R_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CODEC_JCK_DET_R);
+ if (comp & WM8350_CODEC_MICSCD_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_CODEC_MICSCD);
+ if (comp & WM8350_CODEC_MICD_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_CODEC_MICD);
+
+ if (comp & WM8350_EXT_USB_FB_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_USB_FB);
+ if (comp & WM8350_EXT_WALL_FB_EINT)
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_EXT_WALL_FB);
+ if (comp & WM8350_EXT_BAT_FB_EINT)
+ wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_BAT_FB);
+ }
+
+ if (level_one & WM8350_GP_INT) {
+ int i;
+ u16 gpio;
+
+ gpio = wm8350_reg_read(wm8350, WM8350_GPIO_INT_STATUS);
+ gpio &= ~wm8350_reg_read(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK);
+
+ for (i = 0; i < 12; i++) {
+ if (gpio & (1 << i))
+ wm8350_irq_call_handler(wm8350,
+ WM8350_IRQ_GPIO(i));
+ }
+ }
+
+ enable_irq(wm8350->chip_irq);
+}
+
+static irqreturn_t wm8350_irq(int irq, void *data)
+{
+ struct wm8350 *wm8350 = data;
+
+ disable_irq_nosync(irq);
+ schedule_work(&wm8350->irq_work);
+
+ return IRQ_HANDLED;
+}
+
+int wm8350_register_irq(struct wm8350 *wm8350, int irq,
+ void (*handler) (struct wm8350 *, int, void *),
+ void *data)
+{
+ if (irq < 0 || irq > WM8350_NUM_IRQ || !handler)
+ return -EINVAL;
+
+ if (wm8350->irq[irq].handler)
+ return -EBUSY;
+
+ mutex_lock(&wm8350->irq_mutex);
+ wm8350->irq[irq].handler = handler;
+ wm8350->irq[irq].data = data;
+ mutex_unlock(&wm8350->irq_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm8350_register_irq);
+
+int wm8350_free_irq(struct wm8350 *wm8350, int irq)
+{
+ if (irq < 0 || irq > WM8350_NUM_IRQ)
+ return -EINVAL;
+
+ mutex_lock(&wm8350->irq_mutex);
+ wm8350->irq[irq].handler = NULL;
+ mutex_unlock(&wm8350->irq_mutex);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm8350_free_irq);
+
+int wm8350_mask_irq(struct wm8350 *wm8350, int irq)
+{
+ switch (irq) {
+ case WM8350_IRQ_CHG_BAT_HOT:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_BAT_HOT_EINT);
+ case WM8350_IRQ_CHG_BAT_COLD:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_BAT_COLD_EINT);
+ case WM8350_IRQ_CHG_BAT_FAIL:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_BAT_FAIL_EINT);
+ case WM8350_IRQ_CHG_TO:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_TO_EINT);
+ case WM8350_IRQ_CHG_END:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_END_EINT);
+ case WM8350_IRQ_CHG_START:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_START_EINT);
+ case WM8350_IRQ_CHG_FAST_RDY:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_FAST_RDY_EINT);
+ case WM8350_IRQ_RTC_PER:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_RTC_PER_EINT);
+ case WM8350_IRQ_RTC_SEC:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_RTC_SEC_EINT);
+ case WM8350_IRQ_RTC_ALM:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_RTC_ALM_EINT);
+ case WM8350_IRQ_CHG_VBATT_LT_3P9:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_VBATT_LT_3P9_EINT);
+ case WM8350_IRQ_CHG_VBATT_LT_3P1:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_VBATT_LT_3P1_EINT);
+ case WM8350_IRQ_CHG_VBATT_LT_2P85:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_VBATT_LT_2P85_EINT);
+ case WM8350_IRQ_CS1:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_CS1_EINT);
+ case WM8350_IRQ_CS2:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_CS2_EINT);
+ case WM8350_IRQ_USB_LIMIT:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_USB_LIMIT_EINT);
+ case WM8350_IRQ_AUXADC_DATARDY:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DATARDY_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP4:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP4_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP3:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP3_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP2:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP2_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP1:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP1_EINT);
+ case WM8350_IRQ_SYS_HYST_COMP_FAIL:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
+ case WM8350_IRQ_SYS_CHIP_GT115:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_CHIP_GT115_EINT);
+ case WM8350_IRQ_SYS_CHIP_GT140:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_CHIP_GT140_EINT);
+ case WM8350_IRQ_SYS_WDOG_TO:
+ return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_WDOG_TO_EINT);
+ case WM8350_IRQ_UV_LDO4:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO4_EINT);
+ case WM8350_IRQ_UV_LDO3:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO3_EINT);
+ case WM8350_IRQ_UV_LDO2:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO2_EINT);
+ case WM8350_IRQ_UV_LDO1:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO1_EINT);
+ case WM8350_IRQ_UV_DC6:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC6_EINT);
+ case WM8350_IRQ_UV_DC5:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC5_EINT);
+ case WM8350_IRQ_UV_DC4:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC4_EINT);
+ case WM8350_IRQ_UV_DC3:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC3_EINT);
+ case WM8350_IRQ_UV_DC2:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC2_EINT);
+ case WM8350_IRQ_UV_DC1:
+ return wm8350_set_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC1_EINT);
+ case WM8350_IRQ_OC_LS:
+ return wm8350_set_bits(wm8350,
+ WM8350_OVER_CURRENT_INT_STATUS_MASK,
+ WM8350_IM_OC_LS_EINT);
+ case WM8350_IRQ_EXT_USB_FB:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_EXT_USB_FB_EINT);
+ case WM8350_IRQ_EXT_WALL_FB:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_EXT_WALL_FB_EINT);
+ case WM8350_IRQ_EXT_BAT_FB:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_EXT_BAT_FB_EINT);
+ case WM8350_IRQ_CODEC_JCK_DET_L:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_JCK_DET_L_EINT);
+ case WM8350_IRQ_CODEC_JCK_DET_R:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_JCK_DET_R_EINT);
+ case WM8350_IRQ_CODEC_MICSCD:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_MICSCD_EINT);
+ case WM8350_IRQ_CODEC_MICD:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_MICD_EINT);
+ case WM8350_IRQ_WKUP_OFF_STATE:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_OFF_STATE_EINT);
+ case WM8350_IRQ_WKUP_HIB_STATE:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_HIB_STATE_EINT);
+ case WM8350_IRQ_WKUP_CONV_FAULT:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_CONV_FAULT_EINT);
+ case WM8350_IRQ_WKUP_WDOG_RST:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_OFF_STATE_EINT);
+ case WM8350_IRQ_WKUP_GP_PWR_ON:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_GP_PWR_ON_EINT);
+ case WM8350_IRQ_WKUP_ONKEY:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_ONKEY_EINT);
+ case WM8350_IRQ_WKUP_GP_WAKEUP:
+ return wm8350_set_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_GP_WAKEUP_EINT);
+ case WM8350_IRQ_GPIO(0):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP0_EINT);
+ case WM8350_IRQ_GPIO(1):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP1_EINT);
+ case WM8350_IRQ_GPIO(2):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP2_EINT);
+ case WM8350_IRQ_GPIO(3):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP3_EINT);
+ case WM8350_IRQ_GPIO(4):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP4_EINT);
+ case WM8350_IRQ_GPIO(5):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP5_EINT);
+ case WM8350_IRQ_GPIO(6):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP6_EINT);
+ case WM8350_IRQ_GPIO(7):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP7_EINT);
+ case WM8350_IRQ_GPIO(8):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP8_EINT);
+ case WM8350_IRQ_GPIO(9):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP9_EINT);
+ case WM8350_IRQ_GPIO(10):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP10_EINT);
+ case WM8350_IRQ_GPIO(11):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP11_EINT);
+ case WM8350_IRQ_GPIO(12):
+ return wm8350_set_bits(wm8350,
+ WM8350_GPIO_INT_STATUS_MASK,
+ WM8350_IM_GP12_EINT);
+ default:
+ dev_warn(wm8350->dev, "Attempting to mask unknown IRQ %d\n",
+ irq);
+ return -EINVAL;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm8350_mask_irq);
+
+int wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
+{
+ switch (irq) {
+ case WM8350_IRQ_CHG_BAT_HOT:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_BAT_HOT_EINT);
+ case WM8350_IRQ_CHG_BAT_COLD:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_BAT_COLD_EINT);
+ case WM8350_IRQ_CHG_BAT_FAIL:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_BAT_FAIL_EINT);
+ case WM8350_IRQ_CHG_TO:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_TO_EINT);
+ case WM8350_IRQ_CHG_END:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_END_EINT);
+ case WM8350_IRQ_CHG_START:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_START_EINT);
+ case WM8350_IRQ_CHG_FAST_RDY:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_FAST_RDY_EINT);
+ case WM8350_IRQ_RTC_PER:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_RTC_PER_EINT);
+ case WM8350_IRQ_RTC_SEC:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_RTC_SEC_EINT);
+ case WM8350_IRQ_RTC_ALM:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_RTC_ALM_EINT);
+ case WM8350_IRQ_CHG_VBATT_LT_3P9:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_VBATT_LT_3P9_EINT);
+ case WM8350_IRQ_CHG_VBATT_LT_3P1:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_VBATT_LT_3P1_EINT);
+ case WM8350_IRQ_CHG_VBATT_LT_2P85:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
+ WM8350_IM_CHG_VBATT_LT_2P85_EINT);
+ case WM8350_IRQ_CS1:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_CS1_EINT);
+ case WM8350_IRQ_CS2:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_CS2_EINT);
+ case WM8350_IRQ_USB_LIMIT:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_USB_LIMIT_EINT);
+ case WM8350_IRQ_AUXADC_DATARDY:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DATARDY_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP4:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP4_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP3:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP3_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP2:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP2_EINT);
+ case WM8350_IRQ_AUXADC_DCOMP1:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_AUXADC_DCOMP1_EINT);
+ case WM8350_IRQ_SYS_HYST_COMP_FAIL:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
+ case WM8350_IRQ_SYS_CHIP_GT115:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_CHIP_GT115_EINT);
+ case WM8350_IRQ_SYS_CHIP_GT140:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_CHIP_GT140_EINT);
+ case WM8350_IRQ_SYS_WDOG_TO:
+ return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
+ WM8350_IM_SYS_WDOG_TO_EINT);
+ case WM8350_IRQ_UV_LDO4:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO4_EINT);
+ case WM8350_IRQ_UV_LDO3:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO3_EINT);
+ case WM8350_IRQ_UV_LDO2:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO2_EINT);
+ case WM8350_IRQ_UV_LDO1:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_LDO1_EINT);
+ case WM8350_IRQ_UV_DC6:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC6_EINT);
+ case WM8350_IRQ_UV_DC5:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC5_EINT);
+ case WM8350_IRQ_UV_DC4:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC4_EINT);
+ case WM8350_IRQ_UV_DC3:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC3_EINT);
+ case WM8350_IRQ_UV_DC2:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC2_EINT);
+ case WM8350_IRQ_UV_DC1:
+ return wm8350_clear_bits(wm8350,
+ WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
+ WM8350_IM_UV_DC1_EINT);
+ case WM8350_IRQ_OC_LS:
+ return wm8350_clear_bits(wm8350,
+ WM8350_OVER_CURRENT_INT_STATUS_MASK,
+ WM8350_IM_OC_LS_EINT);
+ case WM8350_IRQ_EXT_USB_FB:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_EXT_USB_FB_EINT);
+ case WM8350_IRQ_EXT_WALL_FB:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_EXT_WALL_FB_EINT);
+ case WM8350_IRQ_EXT_BAT_FB:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_EXT_BAT_FB_EINT);
+ case WM8350_IRQ_CODEC_JCK_DET_L:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_JCK_DET_L_EINT);
+ case WM8350_IRQ_CODEC_JCK_DET_R:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_JCK_DET_R_EINT);
+ case WM8350_IRQ_CODEC_MICSCD:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_MICSCD_EINT);
+ case WM8350_IRQ_CODEC_MICD:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_CODEC_MICD_EINT);
+ case WM8350_IRQ_WKUP_OFF_STATE:
+ return wm8350_clear_bits(wm8350,
+ WM8350_COMPARATOR_INT_STATUS_MASK,
+ WM8350_IM_WKUP_OFF_STATE_EINT);
+ case WM8350_IRQ_WKUP_HIB_STATE:
+ return wm8350_clear_bits(wm8350,
+ 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);
+
/*
* Cache is always host endian.
*/
}
value = be16_to_cpu(value);
value &= wm8350_reg_io_map[i].readable;
+ value &= ~wm8350_reg_io_map[i].vol;
wm8350->reg_cache[i] = value;
} else
wm8350->reg_cache[i] = reg_map[i];
out:
return ret;
}
-EXPORT_SYMBOL_GPL(wm8350_create_cache);
-int wm8350_device_init(struct wm8350 *wm8350)
+/*
+ * Register a client device. This is non-fatal since there is no need to
+ * fail the entire device init due to a single platform device failing.
+ */
+static void wm8350_client_dev_register(struct wm8350 *wm8350,
+ const char *name,
+ struct platform_device **pdev)
+{
+ int ret;
+
+ *pdev = platform_device_alloc(name, -1);
+ if (pdev == NULL) {
+ dev_err(wm8350->dev, "Failed to allocate %s\n", name);
+ return;
+ }
+
+ (*pdev)->dev.parent = wm8350->dev;
+ platform_set_drvdata(*pdev, wm8350);
+ ret = platform_device_add(*pdev);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Failed to register %s: %d\n", name, ret);
+ platform_device_put(*pdev);
+ *pdev = NULL;
+ }
+}
+
+int wm8350_device_init(struct wm8350 *wm8350, int irq,
+ struct wm8350_platform_data *pdata)
{
int ret = -EINVAL;
u16 id1, id2, mask, mode;
id1 = be16_to_cpu(id1);
id2 = be16_to_cpu(id2);
- if (id1 == 0x0)
- dev_info(wm8350->dev, "Found Rev C device\n");
- else if (id1 == 0x6143) {
+ if (id1 == 0x6143) {
switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) {
case WM8350_REV_E:
dev_info(wm8350->dev, "Found Rev E device\n");
return ret;
}
+ if (pdata->init) {
+ ret = pdata->init(wm8350);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Platform init() failed: %d\n",
+ ret);
+ goto err;
+ }
+ }
+
+ mutex_init(&wm8350->irq_mutex);
+ INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
+ if (irq) {
+ ret = request_irq(irq, wm8350_irq, 0,
+ "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");
+ goto err;
+ }
+ wm8350->chip_irq = irq;
+
+ wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0);
+
+ wm8350_client_dev_register(wm8350, "wm8350-codec",
+ &(wm8350->codec.pdev));
+ wm8350_client_dev_register(wm8350, "wm8350-gpio",
+ &(wm8350->gpio.pdev));
+ wm8350_client_dev_register(wm8350, "wm8350-power",
+ &(wm8350->power.pdev));
+ wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev));
+ wm8350_client_dev_register(wm8350, "wm8350-wdt", &(wm8350->wdt.pdev));
+
return 0;
err:
void wm8350_device_exit(struct wm8350 *wm8350)
{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8350->pmic.pdev); i++)
+ platform_device_unregister(wm8350->pmic.pdev[i]);
+
+ platform_device_unregister(wm8350->wdt.pdev);
+ platform_device_unregister(wm8350->rtc.pdev);
+ platform_device_unregister(wm8350->power.pdev);
+ platform_device_unregister(wm8350->gpio.pdev);
+ platform_device_unregister(wm8350->codec.pdev);
+
+ free_irq(wm8350->chip_irq, wm8350);
+ flush_work(&wm8350->irq_work);
kfree(wm8350->reg_cache);
}
EXPORT_SYMBOL_GPL(wm8350_device_exit);
+MODULE_DESCRIPTION("WM8350 AudioPlus PMIC core driver");
MODULE_LICENSE("GPL");
projects / linux-2.6-omap-h63xx.git / blobdiff