[mirror_ubuntu-jammy-kernel.git] / drivers / mfd / da9063-irq.c

/* da9063-irq.c: Interrupts support for Dialog DA9063
 *
 * Copyright 2012 Dialog Semiconductor Ltd.
 * Copyright 2013 Philipp Zabel, Pengutronix
 *
 * Author: Michal Hajduk, Dialog Semiconductor
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/irq.h>
#include <linux/mfd/core.h>
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/mfd/da9063/core.h>
#include <linux/mfd/da9063/pdata.h>

#define	DA9063_REG_EVENT_A_OFFSET	0
#define	DA9063_REG_EVENT_B_OFFSET	1
#define	DA9063_REG_EVENT_C_OFFSET	2
#define	DA9063_REG_EVENT_D_OFFSET	3

static const struct regmap_irq da9063_irqs[] = {
	/* DA9063 event A register */
	REGMAP_IRQ_REG(DA9063_IRQ_ONKEY,
		       DA9063_REG_EVENT_A_OFFSET, DA9063_M_ONKEY),
	REGMAP_IRQ_REG(DA9063_IRQ_ALARM,
		       DA9063_REG_EVENT_A_OFFSET, DA9063_M_ALARM),
	REGMAP_IRQ_REG(DA9063_IRQ_TICK,
		       DA9063_REG_EVENT_A_OFFSET, DA9063_M_TICK),
	REGMAP_IRQ_REG(DA9063_IRQ_ADC_RDY,
		       DA9063_REG_EVENT_A_OFFSET, DA9063_M_ADC_RDY),
	REGMAP_IRQ_REG(DA9063_IRQ_SEQ_RDY,
		       DA9063_REG_EVENT_A_OFFSET, DA9063_M_SEQ_RDY),
	/* DA9063 event B register */
	REGMAP_IRQ_REG(DA9063_IRQ_WAKE,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_WAKE),
	REGMAP_IRQ_REG(DA9063_IRQ_TEMP,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_TEMP),
	REGMAP_IRQ_REG(DA9063_IRQ_COMP_1V2,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_COMP_1V2),
	REGMAP_IRQ_REG(DA9063_IRQ_LDO_LIM,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_LDO_LIM),
	REGMAP_IRQ_REG(DA9063_IRQ_REG_UVOV,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_UVOV),
	REGMAP_IRQ_REG(DA9063_IRQ_DVC_RDY,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_DVC_RDY),
	REGMAP_IRQ_REG(DA9063_IRQ_VDD_MON,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_MON),
	REGMAP_IRQ_REG(DA9063_IRQ_WARN,
		       DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_WARN),
	/* DA9063 event C register */
	REGMAP_IRQ_REG(DA9063_IRQ_GPI0,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI0),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI1,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI1),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI2,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI2),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI3,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI3),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI4,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI4),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI5,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI5),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI6,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI6),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI7,
		       DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI7),
	/* DA9063 event D register */
	REGMAP_IRQ_REG(DA9063_IRQ_GPI8,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI8),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI9,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI9),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI10,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI10),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI11,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI11),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI12,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI12),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI13,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI13),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI14,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI14),
	REGMAP_IRQ_REG(DA9063_IRQ_GPI15,
		       DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI15),
};

static const struct regmap_irq_chip da9063_irq_chip = {
	.name = "da9063-irq",
	.irqs = da9063_irqs,
	.num_irqs = ARRAY_SIZE(da9063_irqs),
	.num_regs = 4,
	.status_base = DA9063_REG_EVENT_A,
	.mask_base = DA9063_REG_IRQ_MASK_A,
	.ack_base = DA9063_REG_EVENT_A,
	.init_ack_masked = true,
};

int da9063_irq_init(struct da9063 *da9063)
{
	int ret;

	if (!da9063->chip_irq) {
		dev_err(da9063->dev, "No IRQ configured\n");
		return -EINVAL;
	}

	ret = devm_regmap_add_irq_chip(da9063->dev, da9063->regmap,
			da9063->chip_irq,
			IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,
			da9063->irq_base, &da9063_irq_chip,
			&da9063->regmap_irq);
	if (ret) {
		dev_err(da9063->dev, "Failed to reguest IRQ %d: %d\n",
				da9063->chip_irq, ret);
		return ret;
	}

	return 0;
}
Commit	Line	Data
a0e08b86 KG	1	/* da9063-irq.c: Interrupts support for Dialog DA9063
	2	*
	3	* Copyright 2012 Dialog Semiconductor Ltd.
	4	* Copyright 2013 Philipp Zabel, Pengutronix
	5	*
37778d83	6	* Author: Michal Hajduk, Dialog Semiconductor
a0e08b86 KG	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/module.h>
	17	#include <linux/irq.h>
	18	#include <linux/mfd/core.h>
	19	#include <linux/interrupt.h>
	20	#include <linux/regmap.h>
	21	#include <linux/mfd/da9063/core.h>
	22	#include <linux/mfd/da9063/pdata.h>
	23
	24	#define DA9063_REG_EVENT_A_OFFSET 0
	25	#define DA9063_REG_EVENT_B_OFFSET 1
	26	#define DA9063_REG_EVENT_C_OFFSET 2
	27	#define DA9063_REG_EVENT_D_OFFSET 3
a0e08b86	28
7ce7b26f	29	static const struct regmap_irq da9063_irqs[] = {
a0e08b86	30	/* DA9063 event A register */
8b55734d MV	31	REGMAP_IRQ_REG(DA9063_IRQ_ONKEY,
	32	DA9063_REG_EVENT_A_OFFSET, DA9063_M_ONKEY),
	33	REGMAP_IRQ_REG(DA9063_IRQ_ALARM,
	34	DA9063_REG_EVENT_A_OFFSET, DA9063_M_ALARM),
	35	REGMAP_IRQ_REG(DA9063_IRQ_TICK,
	36	DA9063_REG_EVENT_A_OFFSET, DA9063_M_TICK),
	37	REGMAP_IRQ_REG(DA9063_IRQ_ADC_RDY,
	38	DA9063_REG_EVENT_A_OFFSET, DA9063_M_ADC_RDY),
	39	REGMAP_IRQ_REG(DA9063_IRQ_SEQ_RDY,
	40	DA9063_REG_EVENT_A_OFFSET, DA9063_M_SEQ_RDY),
a0e08b86	41	/* DA9063 event B register */
8b55734d MV	42	REGMAP_IRQ_REG(DA9063_IRQ_WAKE,
	43	DA9063_REG_EVENT_B_OFFSET, DA9063_M_WAKE),
	44	REGMAP_IRQ_REG(DA9063_IRQ_TEMP,
	45	DA9063_REG_EVENT_B_OFFSET, DA9063_M_TEMP),
	46	REGMAP_IRQ_REG(DA9063_IRQ_COMP_1V2,
	47	DA9063_REG_EVENT_B_OFFSET, DA9063_M_COMP_1V2),
	48	REGMAP_IRQ_REG(DA9063_IRQ_LDO_LIM,
	49	DA9063_REG_EVENT_B_OFFSET, DA9063_M_LDO_LIM),
	50	REGMAP_IRQ_REG(DA9063_IRQ_REG_UVOV,
	51	DA9063_REG_EVENT_B_OFFSET, DA9063_M_UVOV),
	52	REGMAP_IRQ_REG(DA9063_IRQ_DVC_RDY,
	53	DA9063_REG_EVENT_B_OFFSET, DA9063_M_DVC_RDY),
	54	REGMAP_IRQ_REG(DA9063_IRQ_VDD_MON,
	55	DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_MON),
	56	REGMAP_IRQ_REG(DA9063_IRQ_WARN,
	57	DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_WARN),
a0e08b86	58	/* DA9063 event C register */
8b55734d MV	59	REGMAP_IRQ_REG(DA9063_IRQ_GPI0,
	60	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI0),
	61	REGMAP_IRQ_REG(DA9063_IRQ_GPI1,
	62	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI1),
	63	REGMAP_IRQ_REG(DA9063_IRQ_GPI2,
	64	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI2),
	65	REGMAP_IRQ_REG(DA9063_IRQ_GPI3,
	66	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI3),
	67	REGMAP_IRQ_REG(DA9063_IRQ_GPI4,
	68	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI4),
	69	REGMAP_IRQ_REG(DA9063_IRQ_GPI5,
	70	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI5),
	71	REGMAP_IRQ_REG(DA9063_IRQ_GPI6,
	72	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI6),
	73	REGMAP_IRQ_REG(DA9063_IRQ_GPI7,
	74	DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI7),
a0e08b86	75	/* DA9063 event D register */
8b55734d MV	76	REGMAP_IRQ_REG(DA9063_IRQ_GPI8,
	77	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI8),
	78	REGMAP_IRQ_REG(DA9063_IRQ_GPI9,
	79	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI9),
	80	REGMAP_IRQ_REG(DA9063_IRQ_GPI10,
	81	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI10),
	82	REGMAP_IRQ_REG(DA9063_IRQ_GPI11,
	83	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI11),
	84	REGMAP_IRQ_REG(DA9063_IRQ_GPI12,
	85	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI12),
	86	REGMAP_IRQ_REG(DA9063_IRQ_GPI13,
	87	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI13),
	88	REGMAP_IRQ_REG(DA9063_IRQ_GPI14,
	89	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI14),
	90	REGMAP_IRQ_REG(DA9063_IRQ_GPI15,
	91	DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI15),
a0e08b86 KG	92	};
a0e08b86 KG	93
7ce7b26f	94	static const struct regmap_irq_chip da9063_irq_chip = {
a0e08b86 KG	95	.name = "da9063-irq",
a0e08b86 KG	96	.irqs = da9063_irqs,
c727eea9	97	.num_irqs = ARRAY_SIZE(da9063_irqs),
a0e08b86 KG	98	.num_regs = 4,
	99	.status_base = DA9063_REG_EVENT_A,
	100	.mask_base = DA9063_REG_IRQ_MASK_A,
	101	.ack_base = DA9063_REG_EVENT_A,
	102	.init_ack_masked = true,
	103	};
	104
	105	int da9063_irq_init(struct da9063 *da9063)
	106	{
	107	int ret;
	108
	109	if (!da9063->chip_irq) {
	110	dev_err(da9063->dev, "No IRQ configured\n");
	111	return -EINVAL;
	112	}
	113
7494de04 MV	114	ret = devm_regmap_add_irq_chip(da9063->dev, da9063->regmap,
7494de04 MV	115	da9063->chip_irq,
a0e08b86 KG	116	IRQF_TRIGGER_LOW \| IRQF_ONESHOT \| IRQF_SHARED,
	117	da9063->irq_base, &da9063_irq_chip,
	118	&da9063->regmap_irq);
	119	if (ret) {
	120	dev_err(da9063->dev, "Failed to reguest IRQ %d: %d\n",
	121	da9063->chip_irq, ret);
	122	return ret;
	123	}
	124
	125	return 0;
	126	}