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