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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/soc/rockchip/rockchip_decompress.h
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@@ -10,13 +10,33 @@
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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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+
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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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+
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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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+
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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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+
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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