mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/*
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* Copyright (C) 2020-2022 Artinchip Technology Co. Ltd
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*
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* author: <jun.ma@artinchip.com>
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* Desc: zlib_uncompress interface
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*/
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#include <stddef.h>
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#include "ve.h"
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#include "ve_top_register.h"
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#include "../png/png_hal.h"
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#include "mpp_log.h"
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#include "mpp_mem.h"
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#include "aic_core.h"
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static int get_gzip_header(unsigned char* src)
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{
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return 2;
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}
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static void config_ve_top(unsigned long reg_base)
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{
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write_reg_u32(reg_base + VE_CLK_REG, 1);
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write_reg_u32(reg_base + VE_RST_REG, 0);
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while( (read_reg_u32(reg_base + VE_RST_REG) >> 16)) {
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}
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write_reg_u32(reg_base + VE_INIT_REG, 1);
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write_reg_u32(reg_base + VE_IRQ_REG, 1);
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write_reg_u32(reg_base + VE_PNG_EN_REG, 1);
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}
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int mpp_zlib_uncompressed(
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unsigned char *compressed_data,
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unsigned int compressed_len,
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unsigned char *uncompressed_data,
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unsigned int uncompressed_len)
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{
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int ret = 0;
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int real_uncompress_len = -1;
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int offset = 0;
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unsigned int status;
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unsigned long reg_base;
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unsigned long lz77_buf;
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unsigned long lz77_buf_align_8;
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if (compressed_data == NULL
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|| compressed_len ==0
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|| uncompressed_data== NULL
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|| uncompressed_len==0 ) {
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loge("param error!!!\n");
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return -1;
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}
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ret = ve_open_device();
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if (ret != 0) {
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loge("ve_open_device error!!!\n");
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return -1;
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}
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lz77_buf = (unsigned long)aicos_malloc(MEM_CMA,(32*1024+7));
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if (lz77_buf == 0) {
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loge("mpp_alloc error!!!\n");
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ve_close_device();
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return -1;
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}
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lz77_buf_align_8 = ((lz77_buf+7)&(~7));
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logd("lz77_buf:0x%lx,lz77_buf_align_8:0x%lx\n",lz77_buf,lz77_buf_align_8);
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offset = get_gzip_header(compressed_data);
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logd("offset:%d\n",offset);
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reg_base = ve_get_reg_base();
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ve_get_client();
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config_ve_top(reg_base);
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write_reg_u32(reg_base+PNG_CTRL_REG, 0);
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write_reg_u32(reg_base+OUTPUT_BUFFER_ADDR_REG, (unsigned long)uncompressed_data);
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write_reg_u32(reg_base+OUTPUT_BUFFER_LENGTH_REG,(unsigned long)uncompressed_data + uncompressed_len -1);
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write_reg_u32(reg_base+INFLATE_WINDOW_BUFFER_ADDR_REG, lz77_buf_align_8);
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write_reg_u32(reg_base+INFLATE_INTERRUPT_REG, 15);
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write_reg_u32(reg_base+INFLATE_STATUS_REG, 15);
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write_reg_u32(reg_base+INFLATE_START_REG, 1);
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write_reg_u32(reg_base+INPUT_BS_START_ADDR_REG, (unsigned long)compressed_data);
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write_reg_u32(reg_base+INPUT_BS_END_ADDR_REG, (unsigned long)compressed_data+compressed_len-1);
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write_reg_u32(reg_base+INPUT_BS_OFFSET_REG, offset*8);
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write_reg_u32(reg_base+INPUT_BS_LENGTH_REG, (compressed_len-offset)*8);
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write_reg_u32(reg_base+INPUT_BS_DATA_VALID_REG, 0x80000003);
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if (ve_wait(&status) < 0) {
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loge("timeout");
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goto _exit;
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}
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if (status & PNG_ERROR) {
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loge("decode error, status: %08x", status);
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goto _exit;
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} else if (status & PNG_FINISH) {
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logd("decode ok, status: %08x", status);
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} else {
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loge("decode error, status: %08x", status);
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goto _exit;
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}
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real_uncompress_len = read_reg_u32(reg_base+OUTPUT_COUNT_REG);
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logd("real_uncompress_len:%d\n",real_uncompress_len);
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_exit:
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ve_put_client();
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ve_close_device();
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if (lz77_buf) {
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aicos_free(MEM_CMA, (void *)lz77_buf);
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}
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return real_uncompress_len;
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}
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