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// SPDX-License-Identifier: GPL-2.0
/*
* Hantro VPU codec driver
*
* Copyright (C) 2021 Collabora Ltd, Andrzej Pietrasiewicz <andrzej.p@collabora.com>
*/
#include "hantro_hw.h"
#include "hantro_g2_regs.h"
void hantro_g2_check_idle(struct hantro_dev *vpu)
{
int i;
for (i = 0; i < 3; i++) {
u32 status;
/* Make sure the VPU is idle */
status = vdpu_read(vpu, G2_REG_INTERRUPT);
if (status & G2_REG_INTERRUPT_DEC_E) {
dev_warn(vpu->dev, "device still running, aborting");
status |= G2_REG_INTERRUPT_DEC_ABORT_E | G2_REG_INTERRUPT_DEC_IRQ_DIS;
vdpu_write(vpu, status, G2_REG_INTERRUPT);
}
}
}
irqreturn_t hantro_g2_irq(int irq, void *dev_id)
{
struct hantro_dev *vpu = dev_id;
enum vb2_buffer_state state;
u32 status;
status = vdpu_read(vpu, G2_REG_INTERRUPT);
state = (status & G2_REG_INTERRUPT_DEC_RDY_INT) ?
VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
vdpu_write(vpu, 0, G2_REG_INTERRUPT);
vdpu_write(vpu, G2_REG_CONFIG_DEC_CLK_GATE_E, G2_REG_CONFIG);
hantro_irq_done(vpu, state);
return IRQ_HANDLED;
}
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