1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Hantro VPU codec driver
4 *
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