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1// SPDX-License-Identifier: GPL-2.02/*3 * Hantro VPU codec driver4 *5 * Copyright (C) 2021 Collabora Ltd, Andrzej Pietrasiewicz <andrzej.p@collabora.com>6 */7 8#include "hantro_hw.h"9#include "hantro_g2_regs.h"10 11#define G2_ALIGN 1612 13void hantro_g2_check_idle(struct hantro_dev *vpu)14{15 int i;16 17 for (i = 0; i < 3; i++) {18 u32 status;19 20 /* Make sure the VPU is idle */21 status = vdpu_read(vpu, G2_REG_INTERRUPT);22 if (status & G2_REG_INTERRUPT_DEC_E) {23 dev_warn(vpu->dev, "device still running, aborting");24 status |= G2_REG_INTERRUPT_DEC_ABORT_E | G2_REG_INTERRUPT_DEC_IRQ_DIS;25 vdpu_write(vpu, status, G2_REG_INTERRUPT);26 }27 }28}29 30irqreturn_t hantro_g2_irq(int irq, void *dev_id)31{32 struct hantro_dev *vpu = dev_id;33 enum vb2_buffer_state state;34 u32 status;35 36 status = vdpu_read(vpu, G2_REG_INTERRUPT);37 state = (status & G2_REG_INTERRUPT_DEC_RDY_INT) ?38 VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;39 40 vdpu_write(vpu, 0, G2_REG_INTERRUPT);41 vdpu_write(vpu, G2_REG_CONFIG_DEC_CLK_GATE_E, G2_REG_CONFIG);42 43 hantro_irq_done(vpu, state);44 45 return IRQ_HANDLED;46}47 48size_t hantro_g2_chroma_offset(struct hantro_ctx *ctx)49{50 return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8;51}52 53size_t hantro_g2_motion_vectors_offset(struct hantro_ctx *ctx)54{55 size_t cr_offset = hantro_g2_chroma_offset(ctx);56 57 return ALIGN((cr_offset * 3) / 2, G2_ALIGN);58}59 60static size_t hantro_g2_mv_size(struct hantro_ctx *ctx)61{62 const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls;63 const struct v4l2_ctrl_hevc_sps *sps = ctrls->sps;64 unsigned int pic_width_in_ctbs, pic_height_in_ctbs;65 unsigned int max_log2_ctb_size;66 67 max_log2_ctb_size = sps->log2_min_luma_coding_block_size_minus3 + 3 +68 sps->log2_diff_max_min_luma_coding_block_size;69 pic_width_in_ctbs = (sps->pic_width_in_luma_samples +70 (1 << max_log2_ctb_size) - 1) >> max_log2_ctb_size;71 pic_height_in_ctbs = (sps->pic_height_in_luma_samples + (1 << max_log2_ctb_size) - 1)72 >> max_log2_ctb_size;73 74 return pic_width_in_ctbs * pic_height_in_ctbs * (1 << (2 * (max_log2_ctb_size - 4))) * 16;75}76 77size_t hantro_g2_luma_compress_offset(struct hantro_ctx *ctx)78{79 return hantro_g2_motion_vectors_offset(ctx) +80 hantro_g2_mv_size(ctx);81}82 83size_t hantro_g2_chroma_compress_offset(struct hantro_ctx *ctx)84{85 return hantro_g2_luma_compress_offset(ctx) +86 hantro_hevc_luma_compressed_size(ctx->dst_fmt.width, ctx->dst_fmt.height);87}88