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