5320545e5d
implement also GPIO_INTR_EDGE_BOTH mode. All reasonable interrupt modes are supported now.
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*-
|
|
* Copyright (c) 2011
|
|
* Ben Gray <ben.r.gray@gmail.com>.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef TI_GPIO_H
|
|
#define TI_GPIO_H
|
|
|
|
/* The maximum number of banks for any SoC */
|
|
#define MAX_GPIO_BANKS 6
|
|
|
|
/*
|
|
* Maximum GPIOS possible, max of *_MAX_GPIO_BANKS * *_INTR_PER_BANK.
|
|
* These are defined in ti_gpio.c
|
|
*/
|
|
#define MAX_GPIO_INTRS 8
|
|
|
|
#ifndef INTRNG
|
|
struct ti_gpio_mask_arg {
|
|
void *softc;
|
|
int pin;
|
|
};
|
|
#else
|
|
struct ti_gpio_irqsrc {
|
|
struct intr_irqsrc tgi_isrc;
|
|
u_int tgi_irq;
|
|
uint32_t tgi_mask;
|
|
uint32_t tgi_mode;
|
|
};
|
|
#endif
|
|
|
|
/**
|
|
* Structure that stores the driver context.
|
|
*
|
|
* This structure is allocated during driver attach.
|
|
*/
|
|
struct ti_gpio_softc {
|
|
device_t sc_dev;
|
|
device_t sc_busdev;
|
|
#ifndef INTRNG
|
|
/* Interrupt trigger type and level. */
|
|
enum intr_trigger *sc_irq_trigger;
|
|
enum intr_polarity *sc_irq_polarity;
|
|
#endif
|
|
int sc_bank;
|
|
int sc_maxpin;
|
|
struct mtx sc_mtx;
|
|
|
|
int sc_mem_rid;
|
|
struct resource *sc_mem_res;
|
|
int sc_irq_rid;
|
|
struct resource *sc_irq_res;
|
|
#ifndef INTRNG
|
|
/* Interrupt events. */
|
|
struct intr_event **sc_events;
|
|
struct ti_gpio_mask_arg *sc_mask_args;
|
|
#else
|
|
struct ti_gpio_irqsrc *sc_isrcs;
|
|
#endif
|
|
/* The handle for the register IRQ handlers. */
|
|
void *sc_irq_hdl;
|
|
};
|
|
|
|
#endif /* TI_GPIO_H */
|