threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* mtk-sram-manager.h -- Mediatek afe sram manager
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*
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* Copyright (c) 2017 MediaTek Inc.
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* Author: Kai Chieh Chuang <kaichieh.chuang@mediatek.com>
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*/
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#ifndef _MTK_SRAM_MANAGER_H_
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#define _MTK_SRAM_MANAGER_H_
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#include <sound/soc.h>
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enum mtk_audio_sram_mode {
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MTK_AUDIO_SRAM_NORMAL_MODE = 0,
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MTK_AUDIO_SRAM_COMPACT_MODE,
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MTK_AUDIO_SRAM_MODE_NUM,
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};
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struct mtk_audio_sram_block {
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bool valid;
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void *user;
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unsigned int size;
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dma_addr_t phys_addr;
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void *virt_addr;
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};
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struct mtk_audio_sram_ops {
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int (*set_sram_mode)(struct device *dev,
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enum mtk_audio_sram_mode sram_mode);
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};
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struct mtk_audio_sram {
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struct device *dev;
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spinlock_t lock;
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dma_addr_t phys_addr;
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void *virt_addr;
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unsigned int size;
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unsigned int block_size;
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unsigned int block_num;
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struct mtk_audio_sram_block *blocks;
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enum mtk_audio_sram_mode prefer_mode;
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enum mtk_audio_sram_mode sram_mode;
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unsigned int mode_size[MTK_AUDIO_SRAM_MODE_NUM];
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struct mtk_audio_sram_ops ops;
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};
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int mtk_audio_sram_init(struct device *dev,
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struct mtk_audio_sram *sram,
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const struct mtk_audio_sram_ops *ops);
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int mtk_audio_sram_allocate(struct mtk_audio_sram *sram,
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dma_addr_t *phys_addr, unsigned char **virt_addr,
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unsigned int size, void *user,
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snd_pcm_format_t format, bool force_normal);
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int mtk_audio_sram_free(struct mtk_audio_sram *sram, void *user);
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unsigned int mtk_audio_sram_get_size(struct mtk_audio_sram *sram, int mode);
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#endif
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