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59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
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/*
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* Copyright (c) 2022-2023, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Authors: matteo <duanmt@artinchip.com>
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*/
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#ifndef _ARTINCHIP_HAL_GPAI_H_
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#define _ARTINCHIP_HAL_GPAI_H_
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#include "aic_osal.h"
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#define AIC_GPAI_NUM_BITS 12
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#define AIC_GPAI_TIMEOUT 1000 /* 1000 ms */
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enum aic_gpai_mode {
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AIC_GPAI_MODE_SINGLE = 0,
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AIC_GPAI_MODE_PERIOD = 1
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};
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struct aic_gpai_ch {
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u8 id;
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u8 available;
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enum aic_gpai_mode mode;
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u32 smp_period;
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u32 pclk_rate;
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u16 latest_data;
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u8 fifo_depth;
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u8 fifo_thd;
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u8 hla_enable; // high-level alarm
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u8 lla_enable; // low-level alarm
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u16 hla_thd;
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u16 hla_rm_thd;
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u16 lla_thd;
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u16 lla_rm_thd;
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aicos_sem_t complete;
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};
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void aich_gpai_enable(int enable);
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void aich_gpai_ch_enable(u32 ch, int enable);
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int aich_gpai_ch_init(struct aic_gpai_ch *chan, u32 pclk);
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irqreturn_t aich_gpai_isr(int irq, void *arg);
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int aich_gpai_read(struct aic_gpai_ch *chan, u32 *val, u32 timeout);
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s32 aich_gpai_data2vol(u16 data);
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struct aic_gpai_ch *hal_gpai_ch_is_valid(u32 ch);
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void hal_gpai_set_ch_num(u32 num);
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void aich_gpai_status_show(struct aic_gpai_ch *chan);
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s32 hal_gpai_clk_init(void);
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void hal_gpai_clk_get(struct aic_gpai_ch *chan);
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#endif // end of _ARTINCHIP_HAL_GPAI_H_
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