Differential D7493 Diff 19486 head/sys/dev/gpio/gpiobus.c

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head/sys/dev/gpio/gpiobus.c

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	#include <sys/cdefs.h>			#include <sys/cdefs.h>
	__FBSDID("$FreeBSD$");			__FBSDID("$FreeBSD$");

	#include <sys/param.h>			#include <sys/param.h>
	#include <sys/systm.h>			#include <sys/systm.h>
	#include <sys/bus.h>			#include <sys/bus.h>
	#include <sys/gpio.h>			#include <sys/gpio.h>
				#ifdef INTRNG
	#include <sys/intr.h>			#include <sys/intr.h>
				#endif
	#include <sys/kernel.h>			#include <sys/kernel.h>
	#include <sys/malloc.h>			#include <sys/malloc.h>
	#include <sys/module.h>			#include <sys/module.h>

	#include <dev/gpio/gpiobusvar.h>			#include <dev/gpio/gpiobusvar.h>

	#include "gpiobus_if.h"			#include "gpiobus_if.h"

	Show All 31 Lines
	static int gpiobus_pin_toggle(device_t, device_t, uint32_t);			static int gpiobus_pin_toggle(device_t, device_t, uint32_t);

	/*			/*
	* XXX -> Move me to better place - gpio_subr.c?			* XXX -> Move me to better place - gpio_subr.c?
	* Also, this function must be changed when interrupt configuration			* Also, this function must be changed when interrupt configuration
	* data will be moved into struct resource.			* data will be moved into struct resource.
	*/			*/
	#ifdef INTRNG			#ifdef INTRNG
	static void
	gpio_destruct_map_data(struct intr_map_data *map_data)
	{

	KASSERT(map_data->type == INTR_MAP_DATA_GPIO,
	("%s: bad map_data type %d", __func__, map_data->type));

	free(map_data, M_DEVBUF);
	}

	struct resource *			struct resource *
	gpio_alloc_intr_resource(device_t consumer_dev, int *rid, u_int alloc_flags,			gpio_alloc_intr_resource(device_t consumer_dev, int *rid, u_int alloc_flags,
	gpio_pin_t pin, uint32_t intr_mode)			gpio_pin_t pin, uint32_t intr_mode)
	{			{
	int rv;
	u_int irq;			u_int irq;
	struct intr_map_data_gpio *gpio_data;			struct intr_map_data_gpio *gpio_data;
	struct resource *res;			struct resource *res;

	gpio_data = malloc(sizeof(*gpio_data), M_DEVBUF, M_WAITOK \| M_ZERO);			gpio_data = (struct intr_map_data_gpio *)intr_alloc_map_data(
	gpio_data->hdr.type = INTR_MAP_DATA_GPIO;			INTR_MAP_DATA_GPIO, sizeof(*gpio_data), M_WAITOK \| M_ZERO);
	gpio_data->hdr.destruct = gpio_destruct_map_data;
	gpio_data->gpio_pin_num = pin->pin;			gpio_data->gpio_pin_num = pin->pin;
	gpio_data->gpio_pin_flags = pin->flags;			gpio_data->gpio_pin_flags = pin->flags;
	gpio_data->gpio_intr_mode = intr_mode;			gpio_data->gpio_intr_mode = intr_mode;

	rv = intr_map_irq(pin->dev, 0, (struct intr_map_data *)gpio_data,			irq = intr_map_irq(pin->dev, 0, (struct intr_map_data *)gpio_data);
	&irq);
	if (rv != 0) {
	gpio_destruct_map_data((struct intr_map_data *)gpio_data);
	return (NULL);
	}

	res = bus_alloc_resource(consumer_dev, SYS_RES_IRQ, rid, irq, irq, 1,			res = bus_alloc_resource(consumer_dev, SYS_RES_IRQ, rid, irq, irq, 1,
	alloc_flags);			alloc_flags);
	if (res == NULL) {			if (res == NULL) {
	gpio_destruct_map_data((struct intr_map_data *)gpio_data);			intr_free_intr_map_data((struct intr_map_data *)gpio_data);
	return (NULL);			return (NULL);
	}			}
	rman_set_virtual(res, gpio_data);			rman_set_virtual(res, gpio_data);
	return (res);			return (res);
	}			}
	#else			#else
	struct resource *			struct resource *
	gpio_alloc_intr_resource(device_t consumer_dev, int *rid, u_int alloc_flags,			gpio_alloc_intr_resource(device_t consumer_dev, int *rid, u_int alloc_flags,
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