fpga.h

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/*
 * Copyright (c) 2023, 2024 Adrian "asie" Siekierka
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#ifndef NILE_FPGA_H_
#define NILE_FPGA_H_
 
#include <wonderful.h>
#include "hardware.h"
 
#ifndef __ASSEMBLER__
#include <stdbool.h>
#include <stdint.h>

void nile_bank_clear_mask(void);

void nile_bank_unlock(void);

void nile_bank_lock(void);

static inline void nile_io_unlock(void) {
    outportb(IO_NILE_POW_CNT, NILE_POW_UNLOCK);
}

static inline void nile_irq_enable(uint8_t mask) {
    outportb(NILE_IRQ_ENABLE_PORT, inportb(NILE_IRQ_ENABLE_PORT) | mask);
}

static inline void nile_irq_disable(uint8_t mask) {
    outportb(NILE_IRQ_ENABLE_PORT, inportb(NILE_IRQ_ENABLE_PORT) & ~mask);
}

static inline void nile_irq_disable_all(void) {
    outportb(NILE_IRQ_ENABLE_PORT, 0);
}

static inline void nile_irq_ack(uint8_t mask) {
    outportb(NILE_IRQ_STATUS_PORT, mask);
}

static inline void nile_irq_set_enabled(uint8_t mask) {
    outportb(NILE_IRQ_ENABLE_PORT, mask);
}

void nile_soft_reset(void);
 
#endif /* __ASSEMBLER__ */
 
#endif /* NILE_FPGA_H_ */