max77759.h - kernel/google-modules/bms - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2020 Google, LLC
  *
  * 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.
  *
  * 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.
  */

 #ifndef MAX77759_H_
 #define MAX77759_H_

 #include <linux/i2c.h>
 #include <linux/interrupt.h>

 #define SCNPRINTF(...) scnprintf(__VA_ARGS__)
 #include "max77759_regs.h"

 #define MAX77759_CHG_INT_COUNT 2

 #define MAX77759_PMIC_REV_A0		0x01
 #define MAX77759_PMIC_REV_A1		0x02

 #define MAX77759_PMIC_PMIC_ID_MW	0x3b

 int max777x9_pmic_get_id(struct i2c_client *client, u8 *id, u8 *rev);
 int max777x9_pmic_reg_read(struct i2c_client *client,
 			   u8 addr, u8 *val, int len);
 int max777x9_pmic_reg_write(struct i2c_client *client,
 			    u8 addr, const u8 *val, int len);
 int max777x9_pmic_reg_update(struct i2c_client *client,
 			     u8 reg, u8 mask, u8 value);

 /* write to a register */
 int max77759_chg_reg_write(struct i2c_client *client, u8 reg, u8 value);
 /* write to a register */
 int max77759_chg_reg_read(struct i2c_client *client, u8 reg, u8 *value);
 /* udate a register */
 int max77759_chg_reg_update(struct i2c_client *client, u8 reg, u8 mask, u8 value);
 /* change the mode register */
 int max77759_chg_mode_write(struct i2c_client *client, enum max77759_charger_modes mode);
 /* change the insel register */
 int max77759_chg_insel_write(struct i2c_client *client, u8 mask, u8 value);
 /* read the insel register */
 int max77759_chg_insel_read(struct i2c_client *client, u8 *value);

 #if IS_ENABLED(CONFIG_PMIC_MAX77729)
 extern int max77759_read_batt_conn(struct i2c_client *client, int *temp);
 extern int max77759_read_usb_temp(struct i2c_client *client, int *temp);
 extern int max77759_read_batt_id(struct i2c_client *client, unsigned int *id);
 #else
 static inline int max77759_read_batt_conn(struct i2c_client *client, int *temp)
 {
 	return -ENODEV;
 }
 static inline int max77759_read_usb_temp(struct i2c_client *client, int *temp)
 {
 	return -ENODEV;
 }
 static inline int max77759_read_batt_id(struct i2c_client *client,
 					unsigned int *id)
 {
 	return -ENODEV;
 }
 #endif

 /* ----------------------------------------------------------------------------
  * GS101 usecases
  * Platform specific, will need to be moved outside the driver.
  *
  * Case	USB_chg USB_otg	WLC_chg	WLC_TX	PMIC_Charger	Ext_B	LSx	Name
  * ----------------------------------------------------------------------------
  * 1-1	1	0	x	0	IF-PMIC-VBUS	0	0/0	USB_CHG
  * 1-2	2	0	x	0	DC VBUS		0	0/0	USB_DC
  * 2-1	1	0	0	1	IF-PMIC-VBUS	2	0/1	USB_CHG_WLC_TX
  * 2-2	2	0	0	1	DC CHG		2	0/1	USB_DC_WLC_TX
  * 3-1	0	0	1	0	IF-PMIC-WCIN	0	0/0	WLC_RX
  * 3-2	0	0	2	0	DC WCIN		0	0/0	WLC_DC
  * 4-1	0	1	1	0	IF-PMIC-WCIN	1	1/0	USB_OTG_WLC_RX
  * 4-2	0	1	2	0	DC WCIN		1	1/0	USB_OTG_WLC_DC
  * 5-1	0	1	0	0	0		1	1/0	USB_OTG
  * 5-2	0	1	0	0	OTG 5V		0	0/0	USB_OTG_FRS
  * 6-2	0	0	0	1	0		2	0/1	WLC_TX
  * 7-2	0	1	0	1	MW OTG 5V	2	0/1	USB_OTG_WLC_TX
  * 8	0	0	0	0	0		0	0/0	IDLE
  * ----------------------------------------------------------------------------
  *
  * Ext_Boost = 0 off, 1 = OTG 5V, 2 = WTX 7.5
  * USB_chg = 0 off, 1 = on, 2 = PPS
  * WLC_chg = 0 off, 1 = on, 2 = PPS
  */
 struct max77759_foreach_cb_data {
 	struct gvotable_election *el;

 	const char *reason;

 	int chgr_on;	/* CC_MAX != 0 */
 	bool stby_on;	/* on disconnect, mode=0 */
 	bool charge_done;

 	int chgin_off;	/* input_suspend, mode=0 */
 	int wlcin_off;	/* input_suspend, mode=0 */
 	int usb_wlc;	/* input_suspend, mode=0 */

 	/* wlc_on is the same as wlc_rx */
 	bool buck_on;	/* wired power in (chgin_on) from TCPCI */

 	bool otg_on;	/* power out, usually external */
 	bool frs_on;	/* power out, fast role swap (internal) */

 	bool wlc_rx;	/* charging wireless */
 	bool wlc_tx;	/* battery share */

 	bool dc_on;	/* DC requested - wired or wireless */

 	bool boost_on;	/* Compat: old for WLC program */
 	bool uno_on;	/* Compat: old for WLC program */

 	u8 raw_value;	/* hard override */
 	bool use_raw;

 	u8 reg;
 };

 struct max77759_usecase_data {
 	int is_a1;

 	int bst_on;		/* ext boost */
 	int bst_sel;		/* 5V or 7.5V */
 	int ext_bst_ctl;	/* MW VENDOR_EXTBST_CTRL */
 	int otg_enable;		/* enter/exit from OTG cases */

 	int ls2_en;		/* OVP LS2, rtx case */
 	int sw_en;		/* OVP SW Enable, rtx+otg case */

 	int vin_is_valid;	/* MAX20339 STATUS1.vinvalid */
 	int lsw1_is_open;	/* MAX20339 STATUS2.lsw1open */
 	int lsw1_is_closed;	/* MAX20339 STATUS2.lsw1closed */
 	int ls1_en;		/* MAX20339 close LSW1 directly */

 	int wlc_en;		/* wlcrx/chgin coex */
 	int wlc_vbus_en;	/* b/202526678 */
 	int ext_bst_mode;	/* wlcrx+otg: b/175706836, TPS61372 P1.1+ */
 	int cpout_en;		/* wlcrx+otg: CPOUT enabled/disabled */
 	int cpout_ctl;		/* wlcrx+otg: CPOUT level 5.3V or DFLT */

 	int cpout21_en;		/* wlctx: CPOUT 2:1 converter enable/disable */

 	u8 otg_ilim;		/* TODO: TCPM to control this? */
 	u8 otg_vbyp;		/* TODO: TCPM to control this? */
 	u8 otg_orig;		/* restore value */

 	struct i2c_client *client;
 	bool init_done;
 	int use_case;
 };

 enum gsu_usecases {
 	GSU_RAW_MODE 		= -1,	/* raw mode, default, */

 	GSU_MODE_STANDBY	= 0,	/* 8, PMIC mode 0 */
 	GSU_MODE_USB_CHG	= 1,	/* 1-1 wired mode 0x4, mode 0x5 */
 	GSU_MODE_USB_DC 	= 2,	/* 1-2 wired mode 0x0 */
 	GSU_MODE_USB_CHG_WLC_TX = 3,	/* 2-1, 1041, */
 	GSU_MODE_USB_DC_WLC_TX	= 4,	/* 2-2 1042, */

 	GSU_MODE_WLC_RX		= 5,	/* 3-1, mode 0x4, mode 0x5 */
 	GSU_MODE_WLC_DC		= 6,	/* 3-2, mode 0x0 */

 	GSU_MODE_USB_OTG_WLC_RX = 7,	/* 4-1, 524, */
 	GSU_MODE_USB_OTG_WLC_DC = 8,	/* 4-2, 532, */
 	GSU_MODE_USB_OTG 	= 9,	/* 5-1, 516,*/
 	GSU_MODE_USB_OTG_FRS	= 10,	/* 5-2, PMIC mode 0x0a */

 	GSU_MODE_WLC_TX 	= 11,	/* 6-2, 1056, */
 	GSU_MODE_USB_OTG_WLC_TX	= 12,	/* 7-2, 1060, */

 	GSU_MODE_USB_WLC_RX	= 13,
 };

 /* internal system values */
 enum {
 	/* Charging disabled (go to mode 0) */
 	GBMS_CHGR_MODE_STBY_ON		= 0x10 + MAX77759_CHGR_MODE_ALL_OFF,
 	/* USB inflow off */
 	GBMS_CHGR_MODE_CHGIN_OFF	= 0x11 + MAX77759_CHGR_MODE_ALL_OFF,
 	/* WCIN inflow off */
 	GBMS_CHGR_MODE_WLCIN_OFF	= 0x12 + MAX77759_CHGR_MODE_ALL_OFF,
 	/* USB + WLC_RX mode */
 	GBMS_CHGR_MODE_USB_WLC_RX	= 0x13 + MAX77759_CHGR_MODE_ALL_OFF,

 	/* charging enabled (charging current != 0) */
 	GBMS_CHGR_MODE_CHGR_BUCK_ON	= 0x10 + MAX77759_CHGR_MODE_CHGR_BUCK_ON,
 	/* Compat: old for programmging */
 	GBMS_CHGR_MODE_BOOST_UNO_ON	= 0x10 + MAX77759_CHGR_MODE_BOOST_UNO_ON,
 };


 #endif
	/* SPDX-License-Identifier: GPL-2.0 */
	/*
	* Copyright 2020 Google, LLC
	*
	* 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.
	*
	* 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.
	*/

	#ifndef MAX77759_H_
	#define MAX77759_H_

	#include <linux/i2c.h>
	#include <linux/interrupt.h>

	#define SCNPRINTF(...) scnprintf(__VA_ARGS__)
	#include "max77759_regs.h"

	#define MAX77759_CHG_INT_COUNT 2

	#define MAX77759_PMIC_REV_A0 0x01
	#define MAX77759_PMIC_REV_A1 0x02

	#define MAX77759_PMIC_PMIC_ID_MW 0x3b

	int max777x9_pmic_get_id(struct i2c_client client, u8 id, u8 *rev);
	int max777x9_pmic_reg_read(struct i2c_client *client,
	u8 addr, u8 *val, int len);
	int max777x9_pmic_reg_write(struct i2c_client *client,
	u8 addr, const u8 *val, int len);
	int max777x9_pmic_reg_update(struct i2c_client *client,
	u8 reg, u8 mask, u8 value);

	/* write to a register */
	int max77759_chg_reg_write(struct i2c_client *client, u8 reg, u8 value);
	/* write to a register */
	int max77759_chg_reg_read(struct i2c_client client, u8 reg, u8 value);
	/* udate a register */
	int max77759_chg_reg_update(struct i2c_client *client, u8 reg, u8 mask, u8 value);
	/* change the mode register */
	int max77759_chg_mode_write(struct i2c_client *client, enum max77759_charger_modes mode);
	/* change the insel register */
	int max77759_chg_insel_write(struct i2c_client *client, u8 mask, u8 value);
	/* read the insel register */
	int max77759_chg_insel_read(struct i2c_client client, u8 value);

	#if IS_ENABLED(CONFIG_PMIC_MAX77729)
	extern int max77759_read_batt_conn(struct i2c_client client, int temp);
	extern int max77759_read_usb_temp(struct i2c_client client, int temp);
	extern int max77759_read_batt_id(struct i2c_client client, unsigned int id);
	#else
	static inline int max77759_read_batt_conn(struct i2c_client client, int temp)
	{
	return -ENODEV;
	}
	static inline int max77759_read_usb_temp(struct i2c_client client, int temp)
	{
	return -ENODEV;
	}
	static inline int max77759_read_batt_id(struct i2c_client *client,
	unsigned int *id)
	{
	return -ENODEV;
	}
	#endif

	/* ----------------------------------------------------------------------------
	* GS101 usecases
	* Platform specific, will need to be moved outside the driver.
	*
	* Case USB_chg USB_otg WLC_chg WLC_TX PMIC_Charger Ext_B LSx Name
	* ----------------------------------------------------------------------------
	* 1-1 1 0 x 0 IF-PMIC-VBUS 0 0/0 USB_CHG
	* 1-2 2 0 x 0 DC VBUS 0 0/0 USB_DC
	* 2-1 1 0 0 1 IF-PMIC-VBUS 2 0/1 USB_CHG_WLC_TX
	* 2-2 2 0 0 1 DC CHG 2 0/1 USB_DC_WLC_TX
	* 3-1 0 0 1 0 IF-PMIC-WCIN 0 0/0 WLC_RX
	* 3-2 0 0 2 0 DC WCIN 0 0/0 WLC_DC
	* 4-1 0 1 1 0 IF-PMIC-WCIN 1 1/0 USB_OTG_WLC_RX
	* 4-2 0 1 2 0 DC WCIN 1 1/0 USB_OTG_WLC_DC
	* 5-1 0 1 0 0 0 1 1/0 USB_OTG
	* 5-2 0 1 0 0 OTG 5V 0 0/0 USB_OTG_FRS
	* 6-2 0 0 0 1 0 2 0/1 WLC_TX
	* 7-2 0 1 0 1 MW OTG 5V 2 0/1 USB_OTG_WLC_TX
	* 8 0 0 0 0 0 0 0/0 IDLE
	* ----------------------------------------------------------------------------
	*
	* Ext_Boost = 0 off, 1 = OTG 5V, 2 = WTX 7.5
	* USB_chg = 0 off, 1 = on, 2 = PPS
	* WLC_chg = 0 off, 1 = on, 2 = PPS
	*/
	struct max77759_foreach_cb_data {
	struct gvotable_election *el;

	const char *reason;

	int chgr_on; /* CC_MAX != 0 */
	bool stby_on; /* on disconnect, mode=0 */
	bool charge_done;

	int chgin_off; /* input_suspend, mode=0 */
	int wlcin_off; /* input_suspend, mode=0 */
	int usb_wlc; /* input_suspend, mode=0 */

	/* wlc_on is the same as wlc_rx */
	bool buck_on; /* wired power in (chgin_on) from TCPCI */

	bool otg_on; /* power out, usually external */
	bool frs_on; /* power out, fast role swap (internal) */

	bool wlc_rx; /* charging wireless */
	bool wlc_tx; /* battery share */

	bool dc_on; /* DC requested - wired or wireless */

	bool boost_on; /* Compat: old for WLC program */
	bool uno_on; /* Compat: old for WLC program */

	u8 raw_value; /* hard override */
	bool use_raw;

	u8 reg;
	};

	struct max77759_usecase_data {
	int is_a1;

	int bst_on; /* ext boost */
	int bst_sel; /* 5V or 7.5V */
	int ext_bst_ctl; /* MW VENDOR_EXTBST_CTRL */
	int otg_enable; /* enter/exit from OTG cases */

	int ls2_en; /* OVP LS2, rtx case */
	int sw_en; /* OVP SW Enable, rtx+otg case */

	int vin_is_valid; /* MAX20339 STATUS1.vinvalid */
	int lsw1_is_open; /* MAX20339 STATUS2.lsw1open */
	int lsw1_is_closed; /* MAX20339 STATUS2.lsw1closed */
	int ls1_en; /* MAX20339 close LSW1 directly */

	int wlc_en; /* wlcrx/chgin coex */
	int wlc_vbus_en; /* b/202526678 */
	int ext_bst_mode; /* wlcrx+otg: b/175706836, TPS61372 P1.1+ */
	int cpout_en; /* wlcrx+otg: CPOUT enabled/disabled */
	int cpout_ctl; /* wlcrx+otg: CPOUT level 5.3V or DFLT */

	int cpout21_en; /* wlctx: CPOUT 2:1 converter enable/disable */

	u8 otg_ilim; /* TODO: TCPM to control this? */
	u8 otg_vbyp; /* TODO: TCPM to control this? */
	u8 otg_orig; /* restore value */

	struct i2c_client *client;
	bool init_done;
	int use_case;
	};

	enum gsu_usecases {
	GSU_RAW_MODE = -1, /* raw mode, default, */

	GSU_MODE_STANDBY = 0, /* 8, PMIC mode 0 */
	GSU_MODE_USB_CHG = 1, /* 1-1 wired mode 0x4, mode 0x5 */
	GSU_MODE_USB_DC = 2, /* 1-2 wired mode 0x0 */
	GSU_MODE_USB_CHG_WLC_TX = 3, /* 2-1, 1041, */
	GSU_MODE_USB_DC_WLC_TX = 4, /* 2-2 1042, */

	GSU_MODE_WLC_RX = 5, /* 3-1, mode 0x4, mode 0x5 */
	GSU_MODE_WLC_DC = 6, /* 3-2, mode 0x0 */

	GSU_MODE_USB_OTG_WLC_RX = 7, /* 4-1, 524, */
	GSU_MODE_USB_OTG_WLC_DC = 8, /* 4-2, 532, */
	GSU_MODE_USB_OTG = 9, /* 5-1, 516,*/
	GSU_MODE_USB_OTG_FRS = 10, /* 5-2, PMIC mode 0x0a */

	GSU_MODE_WLC_TX = 11, /* 6-2, 1056, */
	GSU_MODE_USB_OTG_WLC_TX = 12, /* 7-2, 1060, */

	GSU_MODE_USB_WLC_RX = 13,
	};

	/* internal system values */
	enum {
	/* Charging disabled (go to mode 0) */
	GBMS_CHGR_MODE_STBY_ON = 0x10 + MAX77759_CHGR_MODE_ALL_OFF,
	/* USB inflow off */
	GBMS_CHGR_MODE_CHGIN_OFF = 0x11 + MAX77759_CHGR_MODE_ALL_OFF,
	/* WCIN inflow off */
	GBMS_CHGR_MODE_WLCIN_OFF = 0x12 + MAX77759_CHGR_MODE_ALL_OFF,
	/* USB + WLC_RX mode */
	GBMS_CHGR_MODE_USB_WLC_RX = 0x13 + MAX77759_CHGR_MODE_ALL_OFF,

	/* charging enabled (charging current != 0) */
	GBMS_CHGR_MODE_CHGR_BUCK_ON = 0x10 + MAX77759_CHGR_MODE_CHGR_BUCK_ON,
	/* Compat: old for programmging */
	GBMS_CHGR_MODE_BOOST_UNO_ON = 0x10 + MAX77759_CHGR_MODE_BOOST_UNO_ON,
	};


	#endif