88 lines
2.4 KiB
C
88 lines
2.4 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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#define G2_ALIGN 16
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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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size_t hantro_g2_chroma_offset(struct hantro_ctx *ctx)
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{
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return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8;
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}
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size_t hantro_g2_motion_vectors_offset(struct hantro_ctx *ctx)
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{
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size_t cr_offset = hantro_g2_chroma_offset(ctx);
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return ALIGN((cr_offset * 3) / 2, G2_ALIGN);
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}
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static size_t hantro_g2_mv_size(struct hantro_ctx *ctx)
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{
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const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls;
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const struct v4l2_ctrl_hevc_sps *sps = ctrls->sps;
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unsigned int pic_width_in_ctbs, pic_height_in_ctbs;
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unsigned int max_log2_ctb_size;
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max_log2_ctb_size = sps->log2_min_luma_coding_block_size_minus3 + 3 +
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sps->log2_diff_max_min_luma_coding_block_size;
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pic_width_in_ctbs = (sps->pic_width_in_luma_samples +
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(1 << max_log2_ctb_size) - 1) >> max_log2_ctb_size;
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pic_height_in_ctbs = (sps->pic_height_in_luma_samples + (1 << max_log2_ctb_size) - 1)
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>> max_log2_ctb_size;
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return pic_width_in_ctbs * pic_height_in_ctbs * (1 << (2 * (max_log2_ctb_size - 4))) * 16;
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}
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size_t hantro_g2_luma_compress_offset(struct hantro_ctx *ctx)
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{
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return hantro_g2_motion_vectors_offset(ctx) +
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hantro_g2_mv_size(ctx);
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}
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size_t hantro_g2_chroma_compress_offset(struct hantro_ctx *ctx)
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{
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return hantro_g2_luma_compress_offset(ctx) +
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hantro_hevc_luma_compressed_size(ctx->dst_fmt.width, ctx->dst_fmt.height);
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}
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