97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
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/*
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* drivers/spi/spi-im501.h
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* (C) Copyright 2014-2018
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* Fortemedia, Inc. <www.fortemedia.com>
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* Author: HenryZhang <henryhzhang@fortemedia.com>;
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* LiFu <fuli@fortemedia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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*/
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#ifndef __IM501_SPI_H__
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#define __IM501_SPI_H__
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//#define CUBIETRUCK
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#define IM501_FIRMWARE_PATH "/system/vendor/firmware/"
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#define WAKEUP_FIRMWARE 0
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#define ULTRASOUND_FIRMWARE 1
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#ifdef CUBIETRUCK
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#define IM501_SPI_BUF_LEN 48 //changed to 48 due to dma issue
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#else
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#define IM501_SPI_BUF_LEN 4000
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#endif
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#define POWER_SAVING_MODE 0
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#define NORMAL_MODE 1
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#define IM501_SPI_CMD_DM_WR 0x05
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#define IM501_SPI_CMD_DM_RD 0x01
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#define IM501_SPI_CMD_IM_WR 0x04
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#define IM501_SPI_CMD_IM_RD 0x00
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#define IM501_SPI_CMD_REG_WR 0x06
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#define IM501_SPI_CMD_REG_RD 0x02
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#define ESUCCESS 0
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#define EUNKNOWN 10000
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#define EDUPOPEN 10001
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#define EFAILOPEN 10002
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#define ENOTOPEN 10003
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#define EPARAMINVAL 10004
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#define EDATAINVAL 10005
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#define ESPIREAD 10006
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#define ESPIWRITE 10007
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#define ESPISETFAIL 10008
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#define EDSPNOTWORK 10009
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#define ENOMEMORY 10010
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#define EMEMFAULT 10011
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#define ECANNOTENRECORD 10012
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#define ENOSDCARD 10013
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#define EFILECANNOTWRITE 10014
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#define EINPROCESSING 10015
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#define EFAILTOSETMODE 10016
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#define ECOMMANDINVAL 10017
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#define MAX_COMMENT_LEN 100
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#define MAX_PATH_LEN 128
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#define CONFIG_LINE_LEN 255
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typedef struct cfg_mode_cmd_t {
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u32 mode;
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char path_setting_file_name[MAX_PATH_LEN];
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char dsp_setting_file_name[MAX_PATH_LEN];
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char comment[MAX_COMMENT_LEN];
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} cfg_mode_cmd;
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typedef struct dev_cmd_t {
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u32 reg_addr;
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u32 val;
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} dev_cmd;
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int im501_spi_read_reg(u8 reg, u8 *val);
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int im501_spi_write_reg(u8 reg, u8 val);
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int im501_spi_read_dram(u32 addr, u8 *pdata);
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int im501_spi_write_dram(u32 addr, u8 *pdata);
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int im501_spi_burst_read_dram(u32 addr, u8 *rxbuf, size_t len);
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unsigned char request_start_voice_buf_trans(void);
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unsigned char request_stop_voice_buf_trans(void);
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unsigned char request_enter_psm(void);
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/**
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* codec2im501_pdm_clki_set - external function to set/unset the pdm_clki to im501
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* @set_flag: the flag to set or unset the pdm_clki.
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* true - set the clk, false - unset the clk.
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* @pdm_clki_rate: the demanded pdm_clki rate. 2MHz for DSP normal mode.
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* this parameter is not used when unset the pdm_clki.
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* Return: zero for success set/unset, or non-zero for failure.
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*/
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extern int codec2im501_pdm_clki_set(bool set_flag, u32 pdm_clki_rate);
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#endif /* __IM501_SPI_H__ */
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