1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Hantro VPU codec driver 4 * 5 * Copyright (C) 2018 Rockchip Electronics Co., Ltd. 6 * Jeffy Chen <jeffy.chen@rock-chips.com> 7 * Copyright (C) 2019 Pengutronix, Philipp Zabel <kernel@pengutronix.de> 8 * Copyright (C) 2021 Collabora Ltd, Emil Velikov <emil.velikov@collabora.com> 9 */ 10 11 #include "hantro.h" 12 #include "hantro_g1_regs.h" 13 14 irqreturn_t hantro_g1_irq(int irq, void *dev_id) 15 { 16 struct hantro_dev *vpu = dev_id; 17 enum vb2_buffer_state state; 18 u32 status; 19 20 status = vdpu_read(vpu, G1_REG_INTERRUPT); 21 state = (status & G1_REG_INTERRUPT_DEC_RDY_INT) ? 22 VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR; 23 24 vdpu_write(vpu, 0, G1_REG_INTERRUPT); 25 vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG); 26 27 hantro_irq_done(vpu, state); 28 29 return IRQ_HANDLED; 30 } 31 32 void hantro_g1_reset(struct hantro_ctx *ctx) 33 { 34 struct hantro_dev *vpu = ctx->dev; 35 36 vdpu_write(vpu, G1_REG_INTERRUPT_DEC_IRQ_DIS, G1_REG_INTERRUPT); 37 vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG); 38 vdpu_write(vpu, 1, G1_REG_SOFT_RESET); 39 } 40