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1// SPDX-License-Identifier: GPL-2.02/*3 * Hantro VPU codec driver4 *5 * Copyright (C) 2018 Rockchip Electronics Co., Ltd.6 * Jeffy Chen <jeffy.chen@rock-chips.com>7 * Copyright (C) 2019 Pengutronix, Philipp Zabel <kernel@pengutronix.de>8 * Copyright (C) 2021 Collabora Ltd, Emil Velikov <emil.velikov@collabora.com>9 */10 11#include "hantro.h"12#include "hantro_g1_regs.h"13 14irqreturn_t hantro_g1_irq(int irq, void *dev_id)15{16 struct hantro_dev *vpu = dev_id;17 enum vb2_buffer_state state;18 u32 status;19 20 status = vdpu_read(vpu, G1_REG_INTERRUPT);21 state = (status & G1_REG_INTERRUPT_DEC_RDY_INT) ?22 VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;23 24 vdpu_write(vpu, 0, G1_REG_INTERRUPT);25 vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG);26 27 hantro_irq_done(vpu, state);28 29 return IRQ_HANDLED;30}31 32void hantro_g1_reset(struct hantro_ctx *ctx)33{34 struct hantro_dev *vpu = ctx->dev;35 36 vdpu_write(vpu, G1_REG_INTERRUPT_DEC_IRQ_DIS, G1_REG_INTERRUPT);37 vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG);38 vdpu_write(vpu, 1, G1_REG_SOFT_RESET);39}40