// SPDX-License-Identifier: GPL-2.0
/*
 * Hantro VPU codec driver
 *
 * Copyright (C) 2018 Rockchip Electronics Co., Ltd.
 *      Jeffy Chen <jeffy.chen@rock-chips.com>
 * Copyright (C) 2019 Pengutronix, Philipp Zabel <kernel@pengutronix.de>
 * Copyright (C) 2021 Collabora Ltd, Emil Velikov <emil.velikov@collabora.com>
 */

#include "hantro.h"
#include "hantro_g1_regs.h"

irqreturn_t hantro_g1_irq(int irq, void *dev_id)
{
        struct hantro_dev *vpu = dev_id;
        enum vb2_buffer_state state;
        u32 status;

        status = vdpu_read(vpu, G1_REG_INTERRUPT);
        state = (status & G1_REG_INTERRUPT_DEC_RDY_INT) ?
                 VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;

        vdpu_write(vpu, 0, G1_REG_INTERRUPT);
        vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG);

        hantro_irq_done(vpu, state);

        return IRQ_HANDLED;
}

void hantro_g1_reset(struct hantro_ctx *ctx)
{
        struct hantro_dev *vpu = ctx->dev;

        vdpu_write(vpu, G1_REG_INTERRUPT_DEC_IRQ_DIS, G1_REG_INTERRUPT);
        vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG);
        vdpu_write(vpu, 1, G1_REG_SOFT_RESET);
}