17d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown/* 27d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * wm831x-irq.c -- Interrupt controller support for Wolfson WM831x PMICs 37d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * 47d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * Copyright 2009 Wolfson Microelectronics PLC. 57d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * 67d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 77d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * 87d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * This program is free software; you can redistribute it and/or modify it 97d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * under the terms of the GNU General Public License as published by the 107d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * Free Software Foundation; either version 2 of the License, or (at your 117d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * option) any later version. 127d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * 137d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown */ 147d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 157d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/kernel.h> 167d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/module.h> 177d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/i2c.h> 185fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown#include <linux/irq.h> 197d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/mfd/core.h> 207d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/interrupt.h> 21cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown#include <linux/irqdomain.h> 227d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 237d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/mfd/wm831x/core.h> 247d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/mfd/wm831x/pdata.h> 25896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown#include <linux/mfd/wm831x/gpio.h> 267d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/mfd/wm831x/irq.h> 277d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 287d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown#include <linux/delay.h> 297d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 307d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brownstruct wm831x_irq_data { 317d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown int primary; 327d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown int reg; 337d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown int mask; 347d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown}; 357d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 367d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brownstatic struct wm831x_irq_data wm831x_irqs[] = { 377d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_TEMP_THW] = { 387d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_TEMP_INT, 397d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 407d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_TEMP_THW_EINT, 417d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 427d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_1] = { 437d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 447d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 457d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP1_EINT, 467d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 477d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_2] = { 487d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 497d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 507d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP2_EINT, 517d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 527d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_3] = { 537d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 547d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 557d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP3_EINT, 567d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 577d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_4] = { 587d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 597d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 607d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP4_EINT, 617d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 627d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_5] = { 637d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 647d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 657d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP5_EINT, 667d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 677d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_6] = { 687d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 697d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 707d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP6_EINT, 717d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 727d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_7] = { 737d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 747d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 757d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP7_EINT, 767d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 777d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_8] = { 787d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 797d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 807d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP8_EINT, 817d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 827d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_9] = { 837d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 847d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 857d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP9_EINT, 867d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 877d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_10] = { 887d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 897d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 907d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP10_EINT, 917d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 927d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_11] = { 937d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 947d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 957d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP11_EINT, 967d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 977d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_12] = { 987d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 997d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 1007d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP12_EINT, 1017d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1027d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_13] = { 1037d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 1047d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 1057d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP13_EINT, 1067d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1077d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_14] = { 1087d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 1097d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 1107d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP14_EINT, 1117d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1127d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_15] = { 1137d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 1147d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 1157d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP15_EINT, 1167d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1177d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_GPIO_16] = { 1187d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_GP_INT, 1197d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 5, 1207d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_GP16_EINT, 1217d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1227d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_ON] = { 1237d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_ON_PIN_INT, 1247d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1257d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_ON_PIN_EINT, 1267d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1277d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_PPM_SYSLO] = { 1287d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_PPM_INT, 1297d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1307d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_PPM_SYSLO_EINT, 1317d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1327d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_PPM_PWR_SRC] = { 1337d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_PPM_INT, 1347d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1357d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_PPM_PWR_SRC_EINT, 1367d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1377d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_PPM_USB_CURR] = { 1387d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_PPM_INT, 1397d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1407d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_PPM_USB_CURR_EINT, 1417d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1427d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_WDOG_TO] = { 1437d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_WDOG_INT, 1447d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1457d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_WDOG_TO_EINT, 1467d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1477d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_RTC_PER] = { 1487d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_RTC_INT, 1497d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1507d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_RTC_PER_EINT, 1517d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1527d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_RTC_ALM] = { 1537d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_RTC_INT, 1547d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 1557d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_RTC_ALM_EINT, 1567d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1577d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_BATT_HOT] = { 1587d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1597d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1607d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_BATT_HOT_EINT, 1617d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1627d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_BATT_COLD] = { 1637d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1647d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1657d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_BATT_COLD_EINT, 1667d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1677d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_BATT_FAIL] = { 1687d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1697d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1707d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_BATT_FAIL_EINT, 1717d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1727d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_OV] = { 1737d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1747d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1757d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_OV_EINT, 1767d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1777d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_END] = { 1787d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1797d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1807d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_END_EINT, 1817d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1827d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_TO] = { 1837d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1847d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1857d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_TO_EINT, 1867d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1877d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_MODE] = { 1887d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1897d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1907d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_MODE_EINT, 1917d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1927d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CHG_START] = { 1937d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CHG_INT, 1947d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 1957d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CHG_START_EINT, 1967d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 1977d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_TCHDATA] = { 1987d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_TCHDATA_INT, 1997d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2007d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_TCHDATA_EINT, 2017d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2027d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_TCHPD] = { 2037d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_TCHPD_INT, 2047d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2057d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_TCHPD_EINT, 2067d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2077d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_AUXADC_DATA] = { 2087d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_AUXADC_INT, 2097d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2107d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_AUXADC_DATA_EINT, 2117d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2127d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_AUXADC_DCOMP1] = { 2137d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_AUXADC_INT, 2147d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2157d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_AUXADC_DCOMP1_EINT, 2167d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2177d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_AUXADC_DCOMP2] = { 2187d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_AUXADC_INT, 2197d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2207d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_AUXADC_DCOMP2_EINT, 2217d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2227d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_AUXADC_DCOMP3] = { 2237d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_AUXADC_INT, 2247d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2257d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_AUXADC_DCOMP3_EINT, 2267d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2277d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_AUXADC_DCOMP4] = { 2287d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_AUXADC_INT, 2297d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 1, 2307d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_AUXADC_DCOMP4_EINT, 2317d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2327d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CS1] = { 2337d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CS_INT, 2347d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 2357d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CS1_EINT, 2367d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2377d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_CS2] = { 2387d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_CS_INT, 2397d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 2, 2407d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_CS2_EINT, 2417d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2427d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_HC_DC1] = { 2437d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_HC_INT, 2447d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 4, 2457d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_HC_DC1_EINT, 2467d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2477d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_HC_DC2] = { 2487d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_HC_INT, 2497d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 4, 2507d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_HC_DC2_EINT, 2517d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2527d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO1] = { 2537d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2547d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2557d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO1_EINT, 2567d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2577d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO2] = { 2587d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2597d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2607d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO2_EINT, 2617d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2627d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO3] = { 2637d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2647d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2657d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO3_EINT, 2667d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2677d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO4] = { 2687d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2697d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2707d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO4_EINT, 2717d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2727d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO5] = { 2737d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2747d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2757d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO5_EINT, 2767d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2777d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO6] = { 2787d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2797d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2807d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO6_EINT, 2817d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2827d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO7] = { 2837d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2847d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2857d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO7_EINT, 2867d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2877d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO8] = { 2887d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2897d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2907d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO8_EINT, 2917d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2927d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO9] = { 2937d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2947d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 2957d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO9_EINT, 2967d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 2977d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_LDO10] = { 2987d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 2997d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 3, 3007d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_LDO10_EINT, 3017d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 3027d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_DC1] = { 3037d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 3047d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 4, 3057d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_DC1_EINT, 3067d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 3077d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_DC2] = { 3087d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 3097d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 4, 3107d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_DC2_EINT, 3117d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 3127d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_DC3] = { 3137d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 3147d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 4, 3157d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_DC3_EINT, 3167d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 3177d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown [WM831X_IRQ_UV_DC4] = { 3187d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .primary = WM831X_UV_INT, 3197d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .reg = 4, 3207d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown .mask = WM831X_UV_DC4_EINT, 3217d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown }, 3227d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown}; 3237d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 3247d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brownstatic inline int irq_data_to_status_reg(struct wm831x_irq_data *irq_data) 3257d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 3267d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown return WM831X_INTERRUPT_STATUS_1 - 1 + irq_data->reg; 3277d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 3287d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 3295fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brownstatic inline struct wm831x_irq_data *irq_to_wm831x_irq(struct wm831x *wm831x, 3305fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown int irq) 3317d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 332cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown return &wm831x_irqs[irq]; 3337d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 3347d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 335ba81cd393348b504ecc80d5fc363857f49410d5eMark Brownstatic void wm831x_irq_lock(struct irq_data *data) 3367d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 33725a947f805b4132b69f2561589e17a0fe45552b6Mark Brown struct wm831x *wm831x = irq_data_get_irq_chip_data(data); 3387d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 3397d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown mutex_lock(&wm831x->irq_lock); 3407d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 3417d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 342ba81cd393348b504ecc80d5fc363857f49410d5eMark Brownstatic void wm831x_irq_sync_unlock(struct irq_data *data) 3437d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 34425a947f805b4132b69f2561589e17a0fe45552b6Mark Brown struct wm831x *wm831x = irq_data_get_irq_chip_data(data); 3455fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown int i; 3465fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown 347ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown for (i = 0; i < ARRAY_SIZE(wm831x->gpio_update); i++) { 348ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown if (wm831x->gpio_update[i]) { 349ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + i, 350ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown WM831X_GPN_INT_MODE | WM831X_GPN_POL, 351ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown wm831x->gpio_update[i]); 352ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown wm831x->gpio_update[i] = 0; 353ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown } 354ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown } 355ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown 3565fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) { 3575fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown /* If there's been a change in the mask write it back 3585fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown * to the hardware. */ 3595fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown if (wm831x->irq_masks_cur[i] != wm831x->irq_masks_cache[i]) { 360f624effb7354814d062f149c8a1e2c46a44acb1fMark Brown dev_dbg(wm831x->dev, "IRQ mask sync: %x = %x\n", 361f624effb7354814d062f149c8a1e2c46a44acb1fMark Brown WM831X_INTERRUPT_STATUS_1_MASK + i, 362f624effb7354814d062f149c8a1e2c46a44acb1fMark Brown wm831x->irq_masks_cur[i]); 363f624effb7354814d062f149c8a1e2c46a44acb1fMark Brown 3645fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown wm831x->irq_masks_cache[i] = wm831x->irq_masks_cur[i]; 3655fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown wm831x_reg_write(wm831x, 3665fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown WM831X_INTERRUPT_STATUS_1_MASK + i, 3675fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown wm831x->irq_masks_cur[i]); 3685fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown } 3697d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 3707d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 3717d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown mutex_unlock(&wm831x->irq_lock); 3727d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 3737d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 374f624effb7354814d062f149c8a1e2c46a44acb1fMark Brownstatic void wm831x_irq_enable(struct irq_data *data) 3757d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 37625a947f805b4132b69f2561589e17a0fe45552b6Mark Brown struct wm831x *wm831x = irq_data_get_irq_chip_data(data); 377ba81cd393348b504ecc80d5fc363857f49410d5eMark Brown struct wm831x_irq_data *irq_data = irq_to_wm831x_irq(wm831x, 378cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown data->hwirq); 3797d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 3805fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown wm831x->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask; 3817d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 3827d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 383f624effb7354814d062f149c8a1e2c46a44acb1fMark Brownstatic void wm831x_irq_disable(struct irq_data *data) 3847d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 38525a947f805b4132b69f2561589e17a0fe45552b6Mark Brown struct wm831x *wm831x = irq_data_get_irq_chip_data(data); 386ba81cd393348b504ecc80d5fc363857f49410d5eMark Brown struct wm831x_irq_data *irq_data = irq_to_wm831x_irq(wm831x, 387cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown data->hwirq); 3885fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown 3895fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown wm831x->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask; 3907d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 3917d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 392ba81cd393348b504ecc80d5fc363857f49410d5eMark Brownstatic int wm831x_irq_set_type(struct irq_data *data, unsigned int type) 393896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown{ 39425a947f805b4132b69f2561589e17a0fe45552b6Mark Brown struct wm831x *wm831x = irq_data_get_irq_chip_data(data); 395ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown int irq; 396896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown 397cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq = data->hwirq; 398896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown 399c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) { 400c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown /* Ignore internal-only IRQs */ 401c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown if (irq >= 0 && irq < WM831X_NUM_IRQS) 402c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown return 0; 403c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown else 404c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown return -EINVAL; 405c9d66d3515bbb0ad8062721487de7ade02d2b936Mark Brown } 406896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown 40708256712a2705f3ced3e54c3728932c9c39b58adDimitris Papastamos /* Rebase the IRQ into the GPIO range so we've got a sensible array 40808256712a2705f3ced3e54c3728932c9c39b58adDimitris Papastamos * index. 40908256712a2705f3ced3e54c3728932c9c39b58adDimitris Papastamos */ 41008256712a2705f3ced3e54c3728932c9c39b58adDimitris Papastamos irq -= WM831X_IRQ_GPIO_1; 41108256712a2705f3ced3e54c3728932c9c39b58adDimitris Papastamos 412ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown /* We set the high bit to flag that we need an update; don't 413ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown * do the update here as we can be called with the bus lock 414ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown * held. 415ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown */ 4161fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_level_low[irq] = false; 4171fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_level_high[irq] = false; 418896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown switch (type) { 419896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown case IRQ_TYPE_EDGE_BOTH: 420ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown wm831x->gpio_update[irq] = 0x10000 | WM831X_GPN_INT_MODE; 421896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown break; 422896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown case IRQ_TYPE_EDGE_RISING: 423ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown wm831x->gpio_update[irq] = 0x10000 | WM831X_GPN_POL; 424896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown break; 425896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown case IRQ_TYPE_EDGE_FALLING: 426ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown wm831x->gpio_update[irq] = 0x10000; 4277583a213ec3bde3082547ee37ad96214513bc1cbMark Brown break; 4287583a213ec3bde3082547ee37ad96214513bc1cbMark Brown case IRQ_TYPE_LEVEL_HIGH: 4297583a213ec3bde3082547ee37ad96214513bc1cbMark Brown wm831x->gpio_update[irq] = 0x10000 | WM831X_GPN_POL; 4301fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_level_high[irq] = true; 4311fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown break; 4321fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown case IRQ_TYPE_LEVEL_LOW: 4331fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_update[irq] = 0x10000; 4341fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_level_low[irq] = true; 435896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown break; 436896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown default: 437896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown return -EINVAL; 438896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown } 439896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown 440ca7a71824ac957b1b9d3322656c05aad38d7275cMark Brown return 0; 441896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown} 442896060c76bdfd8a45eb33b3dd1a8307fe37f6c04Mark Brown 4435fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brownstatic struct irq_chip wm831x_irq_chip = { 444ba81cd393348b504ecc80d5fc363857f49410d5eMark Brown .name = "wm831x", 445ba81cd393348b504ecc80d5fc363857f49410d5eMark Brown .irq_bus_lock = wm831x_irq_lock, 446ba81cd393348b504ecc80d5fc363857f49410d5eMark Brown .irq_bus_sync_unlock = wm831x_irq_sync_unlock, 447f624effb7354814d062f149c8a1e2c46a44acb1fMark Brown .irq_disable = wm831x_irq_disable, 448f624effb7354814d062f149c8a1e2c46a44acb1fMark Brown .irq_enable = wm831x_irq_enable, 449ba81cd393348b504ecc80d5fc363857f49410d5eMark Brown .irq_set_type = wm831x_irq_set_type, 4505fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown}; 4515fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown 4525fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown/* The processing of the primary interrupt occurs in a thread so that 4535fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown * we can interact with the device over I2C or SPI. */ 4545fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brownstatic irqreturn_t wm831x_irq_thread(int irq, void *data) 4557d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 4565fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown struct wm831x *wm831x = data; 4577d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown unsigned int i; 4587583a213ec3bde3082547ee37ad96214513bc1cbMark Brown int primary, status_addr, ret; 4595fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown int status_regs[WM831X_NUM_IRQ_REGS] = { 0 }; 4605fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown int read[WM831X_NUM_IRQ_REGS] = { 0 }; 4617d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown int *status; 4627d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 4637d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown primary = wm831x_reg_read(wm831x, WM831X_SYSTEM_INTERRUPTS); 4647d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown if (primary < 0) { 4657d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown dev_err(wm831x->dev, "Failed to read system interrupt: %d\n", 4667d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown primary); 4677d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown goto out; 4687d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 4697d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 4708546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown /* The touch interrupts are visible in the primary register as 4718546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown * an optimisation; open code this to avoid complicating the 4728546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown * main handling loop and so we can also skip iterating the 4738546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown * descriptors. 4748546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown */ 4758546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown if (primary & WM831X_TCHPD_INT) 476cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown handle_nested_irq(irq_find_mapping(wm831x->irq_domain, 477cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown WM831X_IRQ_TCHPD)); 4788546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown if (primary & WM831X_TCHDATA_INT) 479cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown handle_nested_irq(irq_find_mapping(wm831x->irq_domain, 480cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown WM831X_IRQ_TCHDATA)); 481953c7d025d97916e56fd6f1bd347e1c19fd7d5f5Mark Brown primary &= ~(WM831X_TCHDATA_EINT | WM831X_TCHPD_EINT); 4828546bd4af1251d17d16b0ef682d84fd23c8beacaMark Brown 4837d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown for (i = 0; i < ARRAY_SIZE(wm831x_irqs); i++) { 4847d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown int offset = wm831x_irqs[i].reg - 1; 4857d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 4867d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown if (!(primary & wm831x_irqs[i].primary)) 4877d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown continue; 4887d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 4897d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown status = &status_regs[offset]; 4907d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 4917d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown /* Hopefully there should only be one register to read 4927d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown * each time otherwise we ought to do a block read. */ 4937d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown if (!read[offset]) { 49488c939770db375244b00ba92e901fa92677a7164Mark Brown status_addr = irq_data_to_status_reg(&wm831x_irqs[i]); 49588c939770db375244b00ba92e901fa92677a7164Mark Brown 49688c939770db375244b00ba92e901fa92677a7164Mark Brown *status = wm831x_reg_read(wm831x, status_addr); 4977d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown if (*status < 0) { 4987d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown dev_err(wm831x->dev, 4997d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown "Failed to read IRQ status: %d\n", 5007d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown *status); 5015fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown goto out; 5027d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 5037d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 5047d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown read[offset] = 1; 50588c939770db375244b00ba92e901fa92677a7164Mark Brown 50688c939770db375244b00ba92e901fa92677a7164Mark Brown /* Ignore any bits that we don't think are masked */ 50788c939770db375244b00ba92e901fa92677a7164Mark Brown *status &= ~wm831x->irq_masks_cur[offset]; 50888c939770db375244b00ba92e901fa92677a7164Mark Brown 50988c939770db375244b00ba92e901fa92677a7164Mark Brown /* Acknowledge now so we don't miss 51088c939770db375244b00ba92e901fa92677a7164Mark Brown * notifications while we handle. 51188c939770db375244b00ba92e901fa92677a7164Mark Brown */ 51288c939770db375244b00ba92e901fa92677a7164Mark Brown wm831x_reg_write(wm831x, status_addr, *status); 5137d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 5147d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 51588c939770db375244b00ba92e901fa92677a7164Mark Brown if (*status & wm831x_irqs[i].mask) 516cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown handle_nested_irq(irq_find_mapping(wm831x->irq_domain, 517cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown i)); 5187583a213ec3bde3082547ee37ad96214513bc1cbMark Brown 5197583a213ec3bde3082547ee37ad96214513bc1cbMark Brown /* Simulate an edge triggered IRQ by polling the input 5207583a213ec3bde3082547ee37ad96214513bc1cbMark Brown * status. This is sucky but improves interoperability. 5217583a213ec3bde3082547ee37ad96214513bc1cbMark Brown */ 5227583a213ec3bde3082547ee37ad96214513bc1cbMark Brown if (primary == WM831X_GP_INT && 5231fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_level_high[i - WM831X_IRQ_GPIO_1]) { 5247583a213ec3bde3082547ee37ad96214513bc1cbMark Brown ret = wm831x_reg_read(wm831x, WM831X_GPIO_LEVEL); 5257583a213ec3bde3082547ee37ad96214513bc1cbMark Brown while (ret & 1 << (i - WM831X_IRQ_GPIO_1)) { 5261fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown handle_nested_irq(irq_find_mapping(wm831x->irq_domain, 5271fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown i)); 5281fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown ret = wm831x_reg_read(wm831x, 5291fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown WM831X_GPIO_LEVEL); 5301fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown } 5311fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown } 5321fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown 5331fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown if (primary == WM831X_GP_INT && 5341fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown wm831x->gpio_level_low[i - WM831X_IRQ_GPIO_1]) { 5351fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown ret = wm831x_reg_read(wm831x, WM831X_GPIO_LEVEL); 5361fe17a24e2fe0a9554d19a4249eb2d80050ecb8cMark Brown while (!(ret & 1 << (i - WM831X_IRQ_GPIO_1))) { 537cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown handle_nested_irq(irq_find_mapping(wm831x->irq_domain, 538cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown i)); 5397583a213ec3bde3082547ee37ad96214513bc1cbMark Brown ret = wm831x_reg_read(wm831x, 5407583a213ec3bde3082547ee37ad96214513bc1cbMark Brown WM831X_GPIO_LEVEL); 5417583a213ec3bde3082547ee37ad96214513bc1cbMark Brown } 5427583a213ec3bde3082547ee37ad96214513bc1cbMark Brown } 5437d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 5447d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 5457d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brownout: 5467d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown return IRQ_HANDLED; 5477d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 5487d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 549cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brownstatic int wm831x_irq_map(struct irq_domain *h, unsigned int virq, 550cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_hw_number_t hw) 551cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown{ 552cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_set_chip_data(virq, h->host_data); 553cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_set_chip_and_handler(virq, &wm831x_irq_chip, handle_edge_irq); 554cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_set_nested_thread(virq, 1); 555cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown 556cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown /* ARM needs us to explicitly flag the IRQ as valid 557cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown * and will set them noprobe when we do so. */ 558cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown#ifdef CONFIG_ARM 559cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown set_irq_flags(virq, IRQF_VALID); 560cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown#else 561cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_set_noprobe(virq); 562cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown#endif 563cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown 564cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown return 0; 565cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown} 566cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown 567cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brownstatic struct irq_domain_ops wm831x_irq_domain_ops = { 568cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown .map = wm831x_irq_map, 569cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown .xlate = irq_domain_xlate_twocell, 570cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown}; 571cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown 5727d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brownint wm831x_irq_init(struct wm831x *wm831x, int irq) 5737d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 574334a41ce9b753ec615e8c6c50ee07d6197190610Jingoo Han struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); 575cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown struct irq_domain *domain; 576cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown int i, ret, irq_base; 5777d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 57814f572fa38c55fbe369127b808a4a79b0bbec367Mark Brown mutex_init(&wm831x->irq_lock); 57914f572fa38c55fbe369127b808a4a79b0bbec367Mark Brown 5800d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown /* Mask the individual interrupt sources */ 5810d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) { 5820d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown wm831x->irq_masks_cur[i] = 0xffff; 5830d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown wm831x->irq_masks_cache[i] = 0xffff; 5840d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1_MASK + i, 5850d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown 0xffff); 5860d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown } 5870d7e0e399d7fcd5ddc3313a1aa2135fab3226d8fMark Brown 5885c05a8d1f0105ada3cb04be5b70686fc6b272619Mark Brown /* Try to dynamically allocate IRQs if no base is specified */ 589cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown if (pdata && pdata->irq_base) { 590cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_base = irq_alloc_descs(pdata->irq_base, 0, 591cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown WM831X_NUM_IRQS, 0); 592cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown if (irq_base < 0) { 593cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown dev_warn(wm831x->dev, "Failed to allocate IRQs: %d\n", 594cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_base); 595cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_base = 0; 596cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown } 597cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown } else { 598cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_base = 0; 599cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown } 600cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown 601cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown if (irq_base) 602cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown domain = irq_domain_add_legacy(wm831x->dev->of_node, 603cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown ARRAY_SIZE(wm831x_irqs), 604cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown irq_base, 0, 605cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown &wm831x_irq_domain_ops, 606cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown wm831x); 6075c05a8d1f0105ada3cb04be5b70686fc6b272619Mark Brown else 608cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown domain = irq_domain_add_linear(wm831x->dev->of_node, 609cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown ARRAY_SIZE(wm831x_irqs), 610cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown &wm831x_irq_domain_ops, 611cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown wm831x); 6125c05a8d1f0105ada3cb04be5b70686fc6b272619Mark Brown 613cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown if (!domain) { 614cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown dev_warn(wm831x->dev, "Failed to allocate IRQ domain\n"); 615cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown return -EINVAL; 6167d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 6177d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 6185c05a8d1f0105ada3cb04be5b70686fc6b272619Mark Brown if (pdata && pdata->irq_cmos) 619b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown i = 0; 620b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown else 621b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown i = WM831X_IRQ_OD; 622b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown 623b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown wm831x_set_bits(wm831x, WM831X_IRQ_CONFIG, 624b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown WM831X_IRQ_OD, i); 625b103e0b3c52e6edb4839ccc961cf335ca6b88918Mark Brown 6267d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown wm831x->irq = irq; 627cd99758ba3bde64347a8ece381cbae2fb5c745b2Mark Brown wm831x->irq_domain = domain; 6287d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 629bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown if (irq) { 6304492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown /* Try to flag /IRQ as a wake source; there are a number of 6314492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown * unconditional wake sources in the PMIC so this isn't 6324492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown * conditional but we don't actually care *too* much if it 6334492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown * fails. 6344492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown */ 6354492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown ret = enable_irq_wake(irq); 6364492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown if (ret != 0) { 6374492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown dev_warn(wm831x->dev, 6384492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown "Can't enable IRQ as wake source: %d\n", 6394492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown ret); 6404492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown } 6414492c4c3ff7bbb5fd400f021532643a3493f0723Mark Brown 642bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown ret = request_threaded_irq(irq, NULL, wm831x_irq_thread, 643bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown IRQF_TRIGGER_LOW | IRQF_ONESHOT, 644bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown "wm831x", wm831x); 645bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown if (ret != 0) { 646bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown dev_err(wm831x->dev, "Failed to request IRQ %d: %d\n", 647bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown irq, ret); 648bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown return ret; 649bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown } 650bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown } else { 651bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown dev_warn(wm831x->dev, 652bc86fcee373f27bffc9ed0c0a734e40ec084aef5Mark Brown "No interrupt specified - functionality limited\n"); 6537d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown } 6547d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 6555fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown /* Enable top level interrupts, we mask at secondary level */ 6565fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown wm831x_reg_write(wm831x, WM831X_SYSTEM_INTERRUPTS_MASK, 0); 6575fb4d38b19d95a5f980f0a10adba798f5b92128cMark Brown 6587d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown return 0; 6597d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 6607d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown 6617d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brownvoid wm831x_irq_exit(struct wm831x *wm831x) 6627d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown{ 6637d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown if (wm831x->irq) 6647d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown free_irq(wm831x->irq, wm831x); 6657d4d0a3e7343e3190afaa17253073db58e3d9bffMark Brown} 666