2019-08-07 20:43:48 -04:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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2020-04-03 14:07:51 -04:00
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* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
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2019-08-07 20:43:48 -04:00
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*/
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#ifndef MSM_GSI_H
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#define MSM_GSI_H
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#include <linux/types.h>
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#include <linux/interrupt.h>
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enum gsi_chan_dir {
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GSI_CHAN_DIR_FROM_GSI = 0x0,
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GSI_CHAN_DIR_TO_GSI = 0x1
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};
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/**
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* @GSI_USE_PREFETCH_BUFS: Channel will use normal prefetch buffers if possible
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* @GSI_ESCAPE_BUF_ONLY: Channel will always use escape buffers only
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* @GSI_SMART_PRE_FETCH: Channel will work in smart prefetch mode.
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* relevant starting GSI 2.5
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* @GSI_FREE_PRE_FETCH: Channel will work in free prefetch mode.
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* relevant starting GSI 2.5
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*/
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enum gsi_prefetch_mode {
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GSI_USE_PREFETCH_BUFS = 0x0,
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GSI_ESCAPE_BUF_ONLY = 0x1,
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GSI_SMART_PRE_FETCH = 0x2,
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GSI_FREE_PRE_FETCH = 0x3,
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};
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#endif
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