From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/media/platform/verisilicon/hantro_g2.c | 44 ++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 drivers/media/platform/verisilicon/hantro_g2.c (limited to 'drivers/media/platform/verisilicon/hantro_g2.c') diff --git a/drivers/media/platform/verisilicon/hantro_g2.c b/drivers/media/platform/verisilicon/hantro_g2.c new file mode 100644 index 0000000000..ee5f14c5f8 --- /dev/null +++ b/drivers/media/platform/verisilicon/hantro_g2.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Hantro VPU codec driver + * + * Copyright (C) 2021 Collabora Ltd, Andrzej Pietrasiewicz + */ + +#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; +} -- cgit v1.2.3