drivers/sensorhub/brcm/bbdpl/bbd.h

/*
 * Copyright 2015 Broadcom Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation (the "GPL").
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * The BBD (Broadcom Bridge Driver)
 *
 * tabstop = 8
 */

#ifndef __BBD_H__
#define __BBD_H__

#pragma pack(4)
//typedef unsigned char   uint8_t;
//typedef unsigned short  uint16_t;
//typedef unsigned        uint32_t;

union long_union_t
{
	unsigned char uc[sizeof(unsigned long)];
	unsigned long ul;
};

union short_union_t
{
	unsigned char  uc[sizeof(unsigned short)];
	unsigned short us;
};
#pragma pack()


#define BBD_DEVICE_MAJOR	239
enum {
	BBD_MINOR_SHMD	    	= 0,
	BBD_MINOR_SENSOR    	= 1,
	BBD_MINOR_CONTROL   	= 2,
	BBD_MINOR_PATCH     	= 3,
	BBD_MINOR_URGENT_PATCH 	= 4,
	//BBD_MINOR_SSI_SPI_DEBUG = 5,	//NOT supported yet
	BBD_DEVICE_INDEX
};

#define BBD_MAX_DATA_SIZE	 4096  /* max data size for transition  */

#define BBD_CTRL_RESET_REQ	"BBD:RESET_REQ"
#define ESW_CTRL_READY		"ESW:READY"
#define ESW_CTRL_NOTREADY	"ESW:NOTREADY"
#define ESW_CTRL_CRASHED	"ESW:CRASHED"
#define BBD_CTRL_DEBUG_ON       "BBD:DEBUG=1"
#define BBD_CTRL_DEBUG_OFF      "BBD:DEBUG=0"
#define BBD_CTRL_PASSTHRU_ON    "BBD:PassThru=1"
#define BBD_CTRL_PASSTHRU_OFF   "BBD:PassThru=0"
#define SSP_DEBUG_ON		"SSP:DEBUG=1"
#define SSP_DEBUG_OFF		"SSP:DEBUG=0"
#define SSP_GET_HW_REV		"SSP:GET_HW_REV"
#define SSP_GET_AP_REV		"SSP:GET_AP_REV"
#define SSP_OIS_NOTIFY_RESET	"SSP:OIS_NOTIFY_RESET"
#define SSI_DEBUG_ON		"SSI:DEBUG=1"
#define SSI_DEBUG_OFF		"SSI:DEBUG=0"
#define PZC_DEBUG_ON		"PZC:DEBUG=1"
#define PZC_DEBUG_OFF		"PZC:DEBUG=0"
#define RNG_DEBUG_ON		"RNG:DEBUG=1"
#define RNG_DEBUG_OFF		"RNG:DEBUG=0"
#define BBD_CTRL_SSI_PATCH_BEGIN	"SSI:PassThru=1"
#define BBD_CTRL_SSI_PATCH_END		"SSI:PassThru=0"
#define GPSD_SENSOR_ON		"GPSD:SENSOR_ON"
#define GPSD_SENSOR_OFF		"GPSD:SENSOR_OFF"
#define BBD_CTRL_GPS_ON		"GPSD:CORE_ON"
#define BBD_CTRL_GPS_OFF		"GPSD:CORE_OFF"
#define BBD_CTRL_LHD_STOP		"LHD:STOP"
//#define DEBUG_1HZ_STAT

#define HSI_ERROR_STATUS              0x2C
#define HSI_ERROR_STATUS_LPBK_ERROR       0x01
#define HSI_ERROR_STATUS_STRM_FIFO_OVFL   0x02
#define HSI_ERROR_STATUS_AHB_BUS_ERROR    0x04
#define HSI_ERROR_STATUS_PATCH_ERROR      0x10
#define HSI_ERROR_STATUS_ALL_ERRORS       (HSI_ERROR_STATUS_LPBK_ERROR|HSI_ERROR_STATUS_STRM_FIFO_OVFL|HSI_ERROR_STATUS_AHB_BUS_ERROR|HSI_ERROR_STATUS_PATCH_ERROR)

#define HSI_RNGDMA_RX_BASE_ADDR       0x40104040
#define HSI_RNGDMA_RX_SW_ADDR_OFFSET  0x40104050
#define HSI_RNGDMA_TX_BASE_ADDR       0x40104060
#define HSI_RNGDMA_TX_SW_ADDR_OFFSET  0x40104070
#define HSI_CTRL                      0x40104090
#define HSI_ADL_ABR_CONTROL           0x401040a0

#ifdef DEBUG_1HZ_STAT

enum {
	STAT_TX_LHD = 0,
	STAT_TX_SSP,
	STAT_TX_RPC,
	STAT_TX_TL,
	STAT_TX_SSI,

	STAT_RX_SSI,
	STAT_RX_TL,
	STAT_RX_RPC,
	STAT_RX_SSP,
	STAT_RX_LHD,

	STAT_MAX
};


struct bbd_stat {
	bool enabled;

	u64 ts_irq;

	u64 min_rx_lat; // = (u64)-1
	u64 min_rx_dur; // = (u64)-1

	u64 max_rx_lat; // = 0
	u64 max_rx_dur; // = 0

	volatile u64 stat[STAT_MAX];

	struct timer_list timer;
	struct work_struct work;
	struct workqueue_struct *workq;
};

extern struct bbd_stat stat1hz;

void bbd_update_stat(int index, unsigned int count);
void bbd_enable_stat(void);
void bbd_disable_stat(void);
#endif


/** callback for incoming data from 477x to senser hub driver **/
typedef struct {
	int (*on_packet)(void *ssh_data, const char *buf, size_t size);
	int (*on_packet_alarm)(void *ssh_data);
	int (*on_control)(void *ssh_data, const char *str_ctrl);
	int (*on_mcu_ready)(void *ssh_data, bool ready);
	int (*on_mcu_reset)(void *ssh_data, bool IsNoResp);
} bbd_callbacks;

extern void	bbd_register(void *ext_data, bbd_callbacks *pcallbacks);
extern ssize_t	bbd_send_packet(unsigned char *buf, size_t size);
extern ssize_t	bbd_pull_packet(unsigned char *buf, size_t size, unsigned int timeout_ms);
extern int	bbd_mcu_reset(bool IsNoResp);
extern int	bbd_init(struct device *dev);
#endif /* __BBD_H__ */