Jetpack/kernel/kernel-4.9/drivers/spi/spi-im501.h

97 lines
2.8 KiB
C

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