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https://github.com/physwizz/a155-U-u1.git
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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*/
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#ifndef _MTK_SCP_ULTRA_H_
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#define _MTK_SCP_ULTRA_H_
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#define ULTRA_BUF_OFFSET (0xC000)
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struct audio_ultra_dram {
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unsigned long long phy_addr;
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unsigned long long va_addr;
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unsigned long long size;
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unsigned char *vir_addr;
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};
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struct mtk_base_scp_ultra_dump {
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bool dump_flag;
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struct audio_ultra_dram dump_resv_mem;
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};
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struct mtk_base_scp_ultra_mem {
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struct snd_dma_buffer ultra_dl_dma_buf;
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struct snd_dma_buffer ultra_ul_dma_buf;
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int ultra_ul_memif_id;
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int ultra_dl_memif_id;
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};
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struct mtk_base_scp_ultra {
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struct device *dev;
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const struct snd_pcm_hardware *mtk_scp_hardware;
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const struct snd_soc_component_driver *component_driver;
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struct mtk_base_scp_ultra_mem ultra_mem;
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struct mtk_base_scp_ultra_dump ultra_dump;
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struct audio_ultra_dram ultra_reserve_dram;
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unsigned int usnd_state;
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unsigned int scp_ultra_dl_memif_id;
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unsigned int scp_ultra_ul_memif_id;
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};
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int mtk_scp_ultra_allocate_mem(struct snd_pcm_substream *substream,
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dma_addr_t *phys_addr,
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unsigned char **virt_addr,
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unsigned int size);
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#endif
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