75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
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/*
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* Rockchip VPU codec driver
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*
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* Copyright (C) 2016 Rockchip Electronics Co., Ltd.
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* Jeffy Chen <jeffy.chen@rock-chips.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "rockchip_vpu_common.h"
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#include "rk3288_vpu_regs.h"
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/*
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* Interrupt handlers.
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*/
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int rk3288_vpu_enc_irq(int irq, struct rockchip_vpu_dev *vpu)
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{
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u32 status = vepu_read(vpu, VEPU_REG_INTERRUPT);
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vepu_write(vpu, 0, VEPU_REG_INTERRUPT);
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if (status & VEPU_REG_INTERRUPT_BIT) {
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vepu_write(vpu, 0, VEPU_REG_AXI_CTRL);
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return 0;
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}
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return -1;
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}
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int rk3288_vpu_dec_irq(int irq, struct rockchip_vpu_dev *vpu)
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{
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u32 status = vdpu_read(vpu, VDPU_REG_INTERRUPT);
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vdpu_write(vpu, 0, VDPU_REG_INTERRUPT);
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vpu_debug(3, "vdpu_irq status: %08x\n", status);
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if (status & VDPU_REG_INTERRUPT_DEC_IRQ) {
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vdpu_write(vpu, 0, VDPU_REG_CONFIG);
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return 0;
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}
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return -1;
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}
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/*
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* Initialization/clean-up.
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*/
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void rk3288_vpu_enc_reset(struct rockchip_vpu_ctx *ctx)
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{
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struct rockchip_vpu_dev *vpu = ctx->dev;
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vepu_write(vpu, VEPU_REG_INTERRUPT_DIS_BIT, VEPU_REG_INTERRUPT);
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vepu_write(vpu, 0, VEPU_REG_ENC_CTRL);
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vepu_write(vpu, 0, VEPU_REG_AXI_CTRL);
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}
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void rk3288_vpu_dec_reset(struct rockchip_vpu_ctx *ctx)
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{
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struct rockchip_vpu_dev *vpu = ctx->dev;
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vdpu_write(vpu, VDPU_REG_INTERRUPT_DEC_IRQ_DIS, VDPU_REG_INTERRUPT);
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vdpu_write(vpu, 0, VDPU_REG_CONFIG);
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}
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