drivers/mfd/max8998-irq.c

Source file repositories/reference/linux-study-clean/drivers/mfd/max8998-irq.c

File Facts

System
Linux kernel
Corpus path
drivers/mfd/max8998-irq.c
Extension
.c
Size
6348 bytes
Lines
271
Domain
Driver Families
Bucket
drivers/mfd
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct max8998_irq_data {
	int reg;
	int mask;
};

static struct max8998_irq_data max8998_irqs[] = {
	[MAX8998_IRQ_DCINF] = {
		.reg = 1,
		.mask = MAX8998_IRQ_DCINF_MASK,
	},
	[MAX8998_IRQ_DCINR] = {
		.reg = 1,
		.mask = MAX8998_IRQ_DCINR_MASK,
	},
	[MAX8998_IRQ_JIGF] = {
		.reg = 1,
		.mask = MAX8998_IRQ_JIGF_MASK,
	},
	[MAX8998_IRQ_JIGR] = {
		.reg = 1,
		.mask = MAX8998_IRQ_JIGR_MASK,
	},
	[MAX8998_IRQ_PWRONF] = {
		.reg = 1,
		.mask = MAX8998_IRQ_PWRONF_MASK,
	},
	[MAX8998_IRQ_PWRONR] = {
		.reg = 1,
		.mask = MAX8998_IRQ_PWRONR_MASK,
	},
	[MAX8998_IRQ_WTSREVNT] = {
		.reg = 2,
		.mask = MAX8998_IRQ_WTSREVNT_MASK,
	},
	[MAX8998_IRQ_SMPLEVNT] = {
		.reg = 2,
		.mask = MAX8998_IRQ_SMPLEVNT_MASK,
	},
	[MAX8998_IRQ_ALARM1] = {
		.reg = 2,
		.mask = MAX8998_IRQ_ALARM1_MASK,
	},
	[MAX8998_IRQ_ALARM0] = {
		.reg = 2,
		.mask = MAX8998_IRQ_ALARM0_MASK,
	},
	[MAX8998_IRQ_ONKEY1S] = {
		.reg = 3,
		.mask = MAX8998_IRQ_ONKEY1S_MASK,
	},
	[MAX8998_IRQ_TOPOFFR] = {
		.reg = 3,
		.mask = MAX8998_IRQ_TOPOFFR_MASK,
	},
	[MAX8998_IRQ_DCINOVPR] = {
		.reg = 3,
		.mask = MAX8998_IRQ_DCINOVPR_MASK,
	},
	[MAX8998_IRQ_CHGRSTF] = {
		.reg = 3,
		.mask = MAX8998_IRQ_CHGRSTF_MASK,
	},
	[MAX8998_IRQ_DONER] = {
		.reg = 3,
		.mask = MAX8998_IRQ_DONER_MASK,
	},
	[MAX8998_IRQ_CHGFAULT] = {
		.reg = 3,
		.mask = MAX8998_IRQ_CHGFAULT_MASK,
	},
	[MAX8998_IRQ_LOBAT1] = {
		.reg = 4,
		.mask = MAX8998_IRQ_LOBAT1_MASK,
	},
	[MAX8998_IRQ_LOBAT2] = {
		.reg = 4,
		.mask = MAX8998_IRQ_LOBAT2_MASK,
	},
};

static inline struct max8998_irq_data *
irq_to_max8998_irq(struct max8998_dev *max8998, struct irq_data *data)
{
	return &max8998_irqs[data->hwirq];
}

static void max8998_irq_lock(struct irq_data *data)
{
	struct max8998_dev *max8998 = irq_data_get_irq_chip_data(data);

Annotation

Implementation Notes