40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
// 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);
|
|
}
|