/* SPDX-License-Identifier: GPL-2.0+ */
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/* Copyright (c) 2020 Rockchip Electronics Co., Ltd */
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#ifndef _ROCKCHIP_DECOMPRESS
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#define _ROCKCHIP_DECOMPRESS
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enum decom_mod {
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LZ4_MOD,
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GZIP_MOD,
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ZLIB_MOD,
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};
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/* The high 16 bits indicate whether decompression is non-blocking */
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#define DECOM_NOBLOCKING (0x00010000)
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static inline u32 rk_get_decom_mode(u32 mode)
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{
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return mode & 0x0000ffff;
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}
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static inline bool rk_get_noblocking_flag(u32 mode)
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{
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return !!(mode & DECOM_NOBLOCKING);
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}
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#ifdef CONFIG_ROCKCHIP_HW_DECOMPRESS
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int rk_decom_start(u32 mode, phys_addr_t src, phys_addr_t dst, u32 dst_max_size);
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/* timeout in seconds */
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int rk_decom_wait_done(u32 timeout, u64 *decom_len);
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#else
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static inline int rk_decom_start(u32 mode, phys_addr_t src, phys_addr_t dst, u32 dst_max_size)
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{
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return -EINVAL;
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}
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static inline int rk_decom_wait_done(u32 timeout, u64 *decom_len)
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{
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return -EINVAL;
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}
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#endif
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#endif
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