| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-id: <1398753721.18182.1.camel@AMDC1943>
Date: Tue, 29 Apr 2014 08:42:01 +0200
From: Krzysztof Kozlowski <k.kozlowski@...sung.com>
To: Robert Baldyga <r.baldyga@...sung.com>
Cc: sameo@...ux.intel.com, lee.jones@...aro.org, a.zummo@...ertech.it,
linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
m.szyprowski@...sung.com
Subject: Re: [PATCH v2 2/2] mfd: max77693: handle IRQs using regmap
On wto, 2014-04-29 at 07:48 +0200, Robert Baldyga wrote:
> This patch modifies mfd driver to use regmap for handling interrupts.
> It allows to simplify irq handling process. This modifications needed
> to make small changes in function drivers, which use interrupts.
>
> Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
> ---
> drivers/extcon/extcon-max77693.c | 3 +-
> drivers/mfd/Kconfig | 1 +
> drivers/mfd/Makefile | 2 +-
> drivers/mfd/max77693-irq.c | 346 -----------------------------------
> drivers/mfd/max77693.c | 151 ++++++++++++++-
> include/linux/mfd/max77693-private.h | 47 ++++-
> 6 files changed, 191 insertions(+), 359 deletions(-)
> delete mode 100644 drivers/mfd/max77693-irq.c
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Best regards,
Krzysztof
> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
> index 0b09bf3..725190a 100644
> --- a/drivers/extcon/extcon-max77693.c
> +++ b/drivers/extcon/extcon-max77693.c
> @@ -1154,7 +1154,8 @@ static int max77693_muic_probe(struct platform_device *pdev)
> struct max77693_muic_irq *muic_irq = &muic_irqs[i];
> unsigned int virq = 0;
>
> - virq = irq_create_mapping(max77693->irq_domain, muic_irq->irq);
> + virq = regmap_irq_get_virq(max77693->irq_data_muic,
> + muic_irq->irq);
> if (!virq) {
> ret = -EINVAL;
> goto err_irq;
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 67141e8..9e479d0 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -372,6 +372,7 @@ config MFD_MAX77693
> depends on I2C=y
> select MFD_CORE
> select REGMAP_I2C
> + select REGMAP_IRQ
> help
> Say yes here to add support for Maxim Semiconductor MAX77693.
> This is a companion Power Management IC with Flash, Haptic, Charger,
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 6d0f65e..b0c55e4 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -114,7 +114,7 @@ obj-$(CONFIG_MFD_DA9063) += da9063.o
>
> obj-$(CONFIG_MFD_MAX14577) += max14577.o
> obj-$(CONFIG_MFD_MAX77686) += max77686.o max77686-irq.o
> -obj-$(CONFIG_MFD_MAX77693) += max77693.o max77693-irq.o
> +obj-$(CONFIG_MFD_MAX77693) += max77693.o
> obj-$(CONFIG_MFD_MAX8907) += max8907.o
> max8925-objs := max8925-core.o max8925-i2c.o
> obj-$(CONFIG_MFD_MAX8925) += max8925.o
> diff --git a/drivers/mfd/max77693-irq.c b/drivers/mfd/max77693-irq.c
> deleted file mode 100644
> index 7d8f99f..0000000
> --- a/drivers/mfd/max77693-irq.c
> +++ /dev/null
> @@ -1,346 +0,0 @@
> -/*
> - * max77693-irq.c - Interrupt controller support for MAX77693
> - *
> - * Copyright (C) 2012 Samsung Electronics Co.Ltd
> - * SangYoung Son <hello.son@...sung.com>
> - *
> - * This program is not provided / owned by Maxim Integrated Products.
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - * You should have received a copy of the GNU General Public License
> - * along with this program; if not, write to the Free Software
> - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> - *
> - * This driver is based on max8997-irq.c
> - */
> -
> -#include <linux/err.h>
> -#include <linux/irq.h>
> -#include <linux/interrupt.h>
> -#include <linux/module.h>
> -#include <linux/irqdomain.h>
> -#include <linux/mfd/max77693.h>
> -#include <linux/mfd/max77693-private.h>
> -#include <linux/regmap.h>
> -
> -static const unsigned int max77693_mask_reg[] = {
> - [LED_INT] = MAX77693_LED_REG_FLASH_INT_MASK,
> - [TOPSYS_INT] = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
> - [CHG_INT] = MAX77693_CHG_REG_CHG_INT_MASK,
> - [MUIC_INT1] = MAX77693_MUIC_REG_INTMASK1,
> - [MUIC_INT2] = MAX77693_MUIC_REG_INTMASK2,
> - [MUIC_INT3] = MAX77693_MUIC_REG_INTMASK3,
> -};
> -
> -static struct regmap *max77693_get_regmap(struct max77693_dev *max77693,
> - enum max77693_irq_source src)
> -{
> - switch (src) {
> - case LED_INT ... CHG_INT:
> - return max77693->regmap;
> - case MUIC_INT1 ... MUIC_INT3:
> - return max77693->regmap_muic;
> - default:
> - return ERR_PTR(-EINVAL);
> - }
> -}
> -
> -struct max77693_irq_data {
> - int mask;
> - enum max77693_irq_source group;
> -};
> -
> -#define DECLARE_IRQ(idx, _group, _mask) \
> - [(idx)] = { .group = (_group), .mask = (_mask) }
> -static const struct max77693_irq_data max77693_irqs[] = {
> - DECLARE_IRQ(MAX77693_LED_IRQ_FLED2_OPEN, LED_INT, 1 << 0),
> - DECLARE_IRQ(MAX77693_LED_IRQ_FLED2_SHORT, LED_INT, 1 << 1),
> - DECLARE_IRQ(MAX77693_LED_IRQ_FLED1_OPEN, LED_INT, 1 << 2),
> - DECLARE_IRQ(MAX77693_LED_IRQ_FLED1_SHORT, LED_INT, 1 << 3),
> - DECLARE_IRQ(MAX77693_LED_IRQ_MAX_FLASH, LED_INT, 1 << 4),
> -
> - DECLARE_IRQ(MAX77693_TOPSYS_IRQ_T120C_INT, TOPSYS_INT, 1 << 0),
> - DECLARE_IRQ(MAX77693_TOPSYS_IRQ_T140C_INT, TOPSYS_INT, 1 << 1),
> - DECLARE_IRQ(MAX77693_TOPSYS_IRQ_LOWSYS_INT, TOPSYS_INT, 1 << 3),
> -
> - DECLARE_IRQ(MAX77693_CHG_IRQ_BYP_I, CHG_INT, 1 << 0),
> - DECLARE_IRQ(MAX77693_CHG_IRQ_THM_I, CHG_INT, 1 << 2),
> - DECLARE_IRQ(MAX77693_CHG_IRQ_BAT_I, CHG_INT, 1 << 3),
> - DECLARE_IRQ(MAX77693_CHG_IRQ_CHG_I, CHG_INT, 1 << 4),
> - DECLARE_IRQ(MAX77693_CHG_IRQ_CHGIN_I, CHG_INT, 1 << 6),
> -
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC, MUIC_INT1, 1 << 0),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC_LOW, MUIC_INT1, 1 << 1),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC_ERR, MUIC_INT1, 1 << 2),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC1K, MUIC_INT1, 1 << 3),
> -
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_CHGTYP, MUIC_INT2, 1 << 0),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_CHGDETREUN, MUIC_INT2, 1 << 1),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_DCDTMR, MUIC_INT2, 1 << 2),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_DXOVP, MUIC_INT2, 1 << 3),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_VBVOLT, MUIC_INT2, 1 << 4),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_VIDRM, MUIC_INT2, 1 << 5),
> -
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_EOC, MUIC_INT3, 1 << 0),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_CGMBC, MUIC_INT3, 1 << 1),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_OVP, MUIC_INT3, 1 << 2),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_MBCCHG_ERR, MUIC_INT3, 1 << 3),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_CHG_ENABLED, MUIC_INT3, 1 << 4),
> - DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_BAT_DET, MUIC_INT3, 1 << 5),
> -};
> -
> -static void max77693_irq_lock(struct irq_data *data)
> -{
> - struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
> -
> - mutex_lock(&max77693->irqlock);
> -}
> -
> -static void max77693_irq_sync_unlock(struct irq_data *data)
> -{
> - struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
> - int i;
> -
> - for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
> - u8 mask_reg = max77693_mask_reg[i];
> - struct regmap *map = max77693_get_regmap(max77693, i);
> -
> - if (mask_reg == MAX77693_REG_INVALID ||
> - IS_ERR_OR_NULL(map))
> - continue;
> - max77693->irq_masks_cache[i] = max77693->irq_masks_cur[i];
> -
> - regmap_write(map, max77693_mask_reg[i],
> - max77693->irq_masks_cur[i]);
> - }
> -
> - mutex_unlock(&max77693->irqlock);
> -}
> -
> -static const inline struct max77693_irq_data *
> -irq_to_max77693_irq(struct max77693_dev *max77693, int irq)
> -{
> - struct irq_data *data = irq_get_irq_data(irq);
> - return &max77693_irqs[data->hwirq];
> -}
> -
> -static void max77693_irq_mask(struct irq_data *data)
> -{
> - struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
> - const struct max77693_irq_data *irq_data =
> - irq_to_max77693_irq(max77693, data->irq);
> -
> - if (irq_data->group >= MAX77693_IRQ_GROUP_NR)
> - return;
> -
> - if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3)
> - max77693->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
> - else
> - max77693->irq_masks_cur[irq_data->group] |= irq_data->mask;
> -}
> -
> -static void max77693_irq_unmask(struct irq_data *data)
> -{
> - struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
> - const struct max77693_irq_data *irq_data =
> - irq_to_max77693_irq(max77693, data->irq);
> -
> - if (irq_data->group >= MAX77693_IRQ_GROUP_NR)
> - return;
> -
> - if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3)
> - max77693->irq_masks_cur[irq_data->group] |= irq_data->mask;
> - else
> - max77693->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
> -}
> -
> -static struct irq_chip max77693_irq_chip = {
> - .name = "max77693",
> - .irq_bus_lock = max77693_irq_lock,
> - .irq_bus_sync_unlock = max77693_irq_sync_unlock,
> - .irq_mask = max77693_irq_mask,
> - .irq_unmask = max77693_irq_unmask,
> -};
> -
> -#define MAX77693_IRQSRC_CHG (1 << 0)
> -#define MAX77693_IRQSRC_TOP (1 << 1)
> -#define MAX77693_IRQSRC_FLASH (1 << 2)
> -#define MAX77693_IRQSRC_MUIC (1 << 3)
> -static irqreturn_t max77693_irq_thread(int irq, void *data)
> -{
> - struct max77693_dev *max77693 = data;
> - u8 irq_reg[MAX77693_IRQ_GROUP_NR] = {};
> - unsigned int irq_src;
> - int ret;
> - int i, cur_irq;
> -
> - ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_INTSRC,
> - &irq_src);
> - if (ret < 0) {
> - dev_err(max77693->dev, "Failed to read interrupt source: %d\n",
> - ret);
> - return IRQ_NONE;
> - }
> -
> - if (irq_src & MAX77693_IRQSRC_CHG) {
> - /* CHG_INT */
> - unsigned int data;
> - ret = regmap_read(max77693->regmap,
> - MAX77693_CHG_REG_CHG_INT, &data);
> - irq_reg[CHG_INT] = data;
> - }
> -
> - if (irq_src & MAX77693_IRQSRC_TOP) {
> - /* TOPSYS_INT */
> - unsigned int data;
> - ret = regmap_read(max77693->regmap,
> - MAX77693_PMIC_REG_TOPSYS_INT, &data);
> - irq_reg[TOPSYS_INT] = data;
> - }
> -
> - if (irq_src & MAX77693_IRQSRC_FLASH) {
> - /* LED_INT */
> - unsigned int data;
> - ret = regmap_read(max77693->regmap,
> - MAX77693_LED_REG_FLASH_INT, &data);
> - irq_reg[LED_INT] = data;
> - }
> -
> - if (irq_src & MAX77693_IRQSRC_MUIC)
> - /* MUIC INT1 ~ INT3 */
> - regmap_bulk_read(max77693->regmap_muic, MAX77693_MUIC_REG_INT1,
> - &irq_reg[MUIC_INT1], MAX77693_NUM_IRQ_MUIC_REGS);
> -
> - /* Apply masking */
> - for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
> - if (i >= MUIC_INT1 && i <= MUIC_INT3)
> - irq_reg[i] &= max77693->irq_masks_cur[i];
> - else
> - irq_reg[i] &= ~max77693->irq_masks_cur[i];
> - }
> -
> - /* Report */
> - for (i = 0; i < MAX77693_IRQ_NR; i++) {
> - if (irq_reg[max77693_irqs[i].group] & max77693_irqs[i].mask) {
> - cur_irq = irq_find_mapping(max77693->irq_domain, i);
> - if (cur_irq)
> - handle_nested_irq(cur_irq);
> - }
> - }
> -
> - return IRQ_HANDLED;
> -}
> -
> -int max77693_irq_resume(struct max77693_dev *max77693)
> -{
> - if (max77693->irq)
> - max77693_irq_thread(0, max77693);
> -
> - return 0;
> -}
> -
> -static int max77693_irq_domain_map(struct irq_domain *d, unsigned int irq,
> - irq_hw_number_t hw)
> -{
> - struct max77693_dev *max77693 = d->host_data;
> -
> - irq_set_chip_data(irq, max77693);
> - irq_set_chip_and_handler(irq, &max77693_irq_chip, handle_edge_irq);
> - irq_set_nested_thread(irq, 1);
> -#ifdef CONFIG_ARM
> - set_irq_flags(irq, IRQF_VALID);
> -#else
> - irq_set_noprobe(irq);
> -#endif
> - return 0;
> -}
> -
> -static struct irq_domain_ops max77693_irq_domain_ops = {
> - .map = max77693_irq_domain_map,
> -};
> -
> -int max77693_irq_init(struct max77693_dev *max77693)
> -{
> - struct irq_domain *domain;
> - int i;
> - int ret = 0;
> - unsigned int intsrc_mask;
> -
> - mutex_init(&max77693->irqlock);
> -
> - /* Mask individual interrupt sources */
> - for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
> - struct regmap *map;
> - /* MUIC IRQ 0:MASK 1:NOT MASK */
> - /* Other IRQ 1:MASK 0:NOT MASK */
> - if (i >= MUIC_INT1 && i <= MUIC_INT3) {
> - max77693->irq_masks_cur[i] = 0x00;
> - max77693->irq_masks_cache[i] = 0x00;
> - } else {
> - max77693->irq_masks_cur[i] = 0xff;
> - max77693->irq_masks_cache[i] = 0xff;
> - }
> - map = max77693_get_regmap(max77693, i);
> -
> - if (IS_ERR_OR_NULL(map))
> - continue;
> - if (max77693_mask_reg[i] == MAX77693_REG_INVALID)
> - continue;
> - if (i >= MUIC_INT1 && i <= MUIC_INT3)
> - regmap_write(map, max77693_mask_reg[i], 0x00);
> - else
> - regmap_write(map, max77693_mask_reg[i], 0xff);
> - }
> -
> - domain = irq_domain_add_linear(NULL, MAX77693_IRQ_NR,
> - &max77693_irq_domain_ops, max77693);
> - if (!domain) {
> - dev_err(max77693->dev, "could not create irq domain\n");
> - ret = -ENODEV;
> - goto err_irq;
> - }
> - max77693->irq_domain = domain;
> -
> - /* Unmask max77693 interrupt */
> - ret = regmap_read(max77693->regmap,
> - MAX77693_PMIC_REG_INTSRC_MASK, &intsrc_mask);
> - if (ret < 0) {
> - dev_err(max77693->dev, "fail to read PMIC register\n");
> - goto err_irq;
> - }
> -
> - intsrc_mask &= ~(MAX77693_IRQSRC_CHG);
> - intsrc_mask &= ~(MAX77693_IRQSRC_FLASH);
> - intsrc_mask &= ~(MAX77693_IRQSRC_MUIC);
> - ret = regmap_write(max77693->regmap,
> - MAX77693_PMIC_REG_INTSRC_MASK, intsrc_mask);
> - if (ret < 0) {
> - dev_err(max77693->dev, "fail to write PMIC register\n");
> - goto err_irq;
> - }
> -
> - ret = request_threaded_irq(max77693->irq, NULL, max77693_irq_thread,
> - IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
> - "max77693-irq", max77693);
> - if (ret)
> - dev_err(max77693->dev, "Failed to request IRQ %d: %d\n",
> - max77693->irq, ret);
> -
> -err_irq:
> - return ret;
> -}
> -
> -void max77693_irq_exit(struct max77693_dev *max77693)
> -{
> - if (max77693->irq)
> - free_irq(max77693->irq, max77693);
> -}
> diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
> index 6336251..5b85dc3 100644
> --- a/drivers/mfd/max77693.c
> +++ b/drivers/mfd/max77693.c
> @@ -55,12 +55,95 @@ static const struct regmap_config max77693_regmap_config = {
> .max_register = MAX77693_PMIC_REG_END,
> };
>
> +static const struct regmap_irq max77693_led_irqs[] = {
> + { .mask = LED_IRQ_FLED2_OPEN, },
> + { .mask = LED_IRQ_FLED2_SHORT, },
> + { .mask = LED_IRQ_FLED1_OPEN, },
> + { .mask = LED_IRQ_FLED1_SHORT, },
> + { .mask = LED_IRQ_MAX_FLASH, },
> +};
> +
> +static const struct regmap_irq_chip max77693_led_irq_chip = {
> + .name = "max77693-led",
> + .status_base = MAX77693_LED_REG_FLASH_INT,
> + .mask_base = MAX77693_LED_REG_FLASH_INT_MASK,
> + .mask_invert = false,
> + .num_regs = 1,
> + .irqs = max77693_led_irqs,
> + .num_irqs = ARRAY_SIZE(max77693_led_irqs),
> +};
> +
> +static const struct regmap_irq max77693_topsys_irqs[] = {
> + { .mask = TOPSYS_IRQ_T120C_INT, },
> + { .mask = TOPSYS_IRQ_T140C_INT, },
> + { .mask = TOPSYS_IRQ_LOWSYS_INT, },
> +};
> +
> +static const struct regmap_irq_chip max77693_topsys_irq_chip = {
> + .name = "max77693-topsys",
> + .status_base = MAX77693_PMIC_REG_TOPSYS_INT,
> + .mask_base = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
> + .mask_invert = false,
> + .num_regs = 1,
> + .irqs = max77693_topsys_irqs,
> + .num_irqs = ARRAY_SIZE(max77693_topsys_irqs),
> +};
> +
> +static const struct regmap_irq max77693_charger_irqs[] = {
> + { .mask = CHG_IRQ_BYP_I, },
> + { .mask = CHG_IRQ_THM_I, },
> + { .mask = CHG_IRQ_BAT_I, },
> + { .mask = CHG_IRQ_CHG_I, },
> + { .mask = CHG_IRQ_CHGIN_I, },
> +};
> +
> +static const struct regmap_irq_chip max77693_charger_irq_chip = {
> + .name = "max77693-charger",
> + .status_base = MAX77693_CHG_REG_CHG_INT,
> + .mask_base = MAX77693_CHG_REG_CHG_INT_MASK,
> + .mask_invert = false,
> + .num_regs = 1,
> + .irqs = max77693_charger_irqs,
> + .num_irqs = ARRAY_SIZE(max77693_charger_irqs),
> +};
> +
> static const struct regmap_config max77693_regmap_muic_config = {
> .reg_bits = 8,
> .val_bits = 8,
> .max_register = MAX77693_MUIC_REG_END,
> };
>
> +static const struct regmap_irq max77693_muic_irqs[] = {
> + { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC, },
> + { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW, },
> + { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR, },
> + { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K, },
> +
> + { .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP, },
> + { .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN, },
> + { .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR, },
> + { .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP, },
> + { .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT, },
> + { .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM, },
> +
> + { .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC, },
> + { .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC, },
> + { .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP, },
> + { .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR, },
> + { .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED, },
> + { .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET, },
> +};
> +
> +static const struct regmap_irq_chip max77693_muic_irq_chip = {
> + .name = "max77693-muic",
> + .status_base = MAX77693_MUIC_REG_INT1,
> + .mask_base = MAX77693_MUIC_REG_INTMASK1,
> + .mask_invert = true,
> + .num_regs = 3,
> + .irqs = max77693_muic_irqs,
> + .num_irqs = ARRAY_SIZE(max77693_muic_irqs),
> +};
> +
> static int max77693_i2c_probe(struct i2c_client *i2c,
> const struct i2c_device_id *id)
> {
> @@ -124,9 +207,45 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> goto err_regmap_muic;
> }
>
> - ret = max77693_irq_init(max77693);
> - if (ret < 0)
> - goto err_irq;
> + ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> + IRQF_ONESHOT | IRQF_SHARED |
> + IRQF_TRIGGER_FALLING, 0,
> + &max77693_led_irq_chip,
> + &max77693->irq_data_led);
> + if (ret) {
> + dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> + goto err_regmap_muic;
> + }
> +
> + ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> + IRQF_ONESHOT | IRQF_SHARED |
> + IRQF_TRIGGER_FALLING, 0,
> + &max77693_topsys_irq_chip,
> + &max77693->irq_data_topsys);
> + if (ret) {
> + dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> + goto err_irq_topsys;
> + }
> +
> + ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> + IRQF_ONESHOT | IRQF_SHARED |
> + IRQF_TRIGGER_FALLING, 0,
> + &max77693_charger_irq_chip,
> + &max77693->irq_data_charger);
> + if (ret) {
> + dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> + goto err_irq_charger;
> + }
> +
> + ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> + IRQF_ONESHOT | IRQF_SHARED |
> + IRQF_TRIGGER_FALLING, 0,
> + &max77693_muic_irq_chip,
> + &max77693->irq_data_muic);
> + if (ret) {
> + dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> + goto err_irq_muic;
> + }
>
> pm_runtime_set_active(max77693->dev);
>
> @@ -138,8 +257,13 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> return ret;
>
> err_mfd:
> - max77693_irq_exit(max77693);
> -err_irq:
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
> +err_irq_muic:
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
> +err_irq_charger:
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
> +err_irq_topsys:
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
> err_regmap_muic:
> i2c_unregister_device(max77693->haptic);
> err_i2c_haptic:
> @@ -152,7 +276,12 @@ static int max77693_i2c_remove(struct i2c_client *i2c)
> struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
>
> mfd_remove_devices(max77693->dev);
> - max77693_irq_exit(max77693);
> +
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
> + regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
> +
> i2c_unregister_device(max77693->muic);
> i2c_unregister_device(max77693->haptic);
>
> @@ -171,7 +300,9 @@ static int max77693_suspend(struct device *dev)
> struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
>
> if (device_may_wakeup(dev))
> - irq_set_irq_wake(max77693->irq, 1);
> + enable_irq_wake(max77693->irq);
> + disable_irq(max77693->irq);
> +
> return 0;
> }
>
> @@ -181,8 +312,10 @@ static int max77693_resume(struct device *dev)
> struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
>
> if (device_may_wakeup(dev))
> - irq_set_irq_wake(max77693->irq, 0);
> - return max77693_irq_resume(max77693);
> + disable_irq_wake(max77693->irq);
> + enable_irq(max77693->irq);
> +
> + return 0;
> }
>
> static const struct dev_pm_ops max77693_pm = {
> diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
> index 80ec31d..7257f3b 100644
> --- a/include/linux/mfd/max77693-private.h
> +++ b/include/linux/mfd/max77693-private.h
> @@ -262,6 +262,42 @@ enum max77693_irq_source {
> MAX77693_IRQ_GROUP_NR,
> };
>
> +#define LED_IRQ_FLED2_OPEN (0x1 << 0)
> +#define LED_IRQ_FLED2_SHORT (0x1 << 1)
> +#define LED_IRQ_FLED1_OPEN (0x1 << 2)
> +#define LED_IRQ_FLED1_SHORT (0x1 << 3)
> +#define LED_IRQ_MAX_FLASH (0x1 << 4)
> +
> +#define TOPSYS_IRQ_T120C_INT (0x1 << 0)
> +#define TOPSYS_IRQ_T140C_INT (0x1 << 1)
> +#define TOPSYS_IRQ_LOWSYS_INT (0x1 << 3)
> +
> +#define CHG_IRQ_BYP_I (0x1 << 0)
> +#define CHG_IRQ_THM_I (0x1 << 2)
> +#define CHG_IRQ_BAT_I (0x1 << 3)
> +#define CHG_IRQ_CHG_I (0x1 << 4)
> +#define CHG_IRQ_CHGIN_I (0x1 << 6)
> +
> +#define MUIC_IRQ_INT1_ADC (0x1 << 0)
> +#define MUIC_IRQ_INT1_ADC_LOW (0x1 << 1)
> +#define MUIC_IRQ_INT1_ADC_ERR (0x1 << 2)
> +#define MUIC_IRQ_INT1_ADC1K (0x1 << 3)
> +
> +#define MUIC_IRQ_INT2_CHGTYP (0x1 << 0)
> +#define MUIC_IRQ_INT2_CHGDETREUN (0x1 << 1)
> +#define MUIC_IRQ_INT2_DCDTMR (0x1 << 2)
> +#define MUIC_IRQ_INT2_DXOVP (0x1 << 3)
> +#define MUIC_IRQ_INT2_VBVOLT (0x1 << 4)
> +#define MUIC_IRQ_INT2_VIDRM (0x1 << 5)
> +
> +#define MUIC_IRQ_INT3_EOC (0x1 << 0)
> +#define MUIC_IRQ_INT3_CGMBC (0x1 << 1)
> +#define MUIC_IRQ_INT3_OVP (0x1 << 2)
> +#define MUIC_IRQ_INT3_MBCCHG_ERR (0x1 << 3)
> +#define MUIC_IRQ_INT3_CHG_ENABLED (0x1 << 4)
> +#define MUIC_IRQ_INT3_BAT_DET (0x1 << 5)
> +
> +
> enum max77693_irq {
> /* PMIC - FLASH */
> MAX77693_LED_IRQ_FLED2_OPEN,
> @@ -282,6 +318,10 @@ enum max77693_irq {
> MAX77693_CHG_IRQ_CHG_I,
> MAX77693_CHG_IRQ_CHGIN_I,
>
> + MAX77693_IRQ_NR,
> +};
> +
> +enum max77693_irq_muic {
> /* MUIC INT1 */
> MAX77693_MUIC_IRQ_INT1_ADC,
> MAX77693_MUIC_IRQ_INT1_ADC_LOW,
> @@ -304,7 +344,7 @@ enum max77693_irq {
> MAX77693_MUIC_IRQ_INT3_CHG_ENABLED,
> MAX77693_MUIC_IRQ_INT3_BAT_DET,
>
> - MAX77693_IRQ_NR,
> + MAX77693_MUIC_IRQ_NR,
> };
>
> struct max77693_dev {
> @@ -319,7 +359,10 @@ struct max77693_dev {
> struct regmap *regmap_muic;
> struct regmap *regmap_haptic;
>
> - struct irq_domain *irq_domain;
> + struct regmap_irq_chip_data *irq_data_led;
> + struct regmap_irq_chip_data *irq_data_topsys;
> + struct regmap_irq_chip_data *irq_data_charger;
> + struct regmap_irq_chip_data *irq_data_muic;
>
> int irq;
> int irq_gpio;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists