include: uapi: Add QBG UAPI headers

Add UAPI headers for QBG (Qualcomm Battery Gauge).

Change-Id: Iae5ba52ebff9fb4b591065c2bffe15763ab9518a
Signed-off-by: Shyam Kumar Thella <sthella@codeaurora.org>

gen_headers_arm.bp

@@ -477,6 +477,8 @@ gen_headers_out_arm = [
     "linux/qemu_fw_cfg.h",
     "linux/qg-profile.h",
     "linux/qg.h",
+    "linux/qbg-profile.h",
+    "linux/qbg.h",
     "linux/qnx4_fs.h",
     "linux/qnxtypes.h",
     "linux/qrng.h",

gen_headers_arm64.bp

@@ -471,6 +471,8 @@ gen_headers_out_arm64 = [
     "linux/qemu_fw_cfg.h",
     "linux/qg-profile.h",
     "linux/qg.h",
+    "linux/qbg-profile.h",
+    "linux/qbg.h",
     "linux/qnx4_fs.h",
     "linux/qnxtypes.h",
     "linux/qrng.h",

include/uapi/linux/qbg-profile.h

@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __QBG_PROFILE_H__
+#define __QBG_PROFILE_H__
+
+#define MAX_BP_LUT_ROWS	35
+#define MAX_BP_LUT_COLS	8
+#define MAX_PROFILE_NAME_LENGTH	256
+
+enum profile_table_type {
+	CHARGE_TABLE = 0,
+	DISCHARGE_TABLE,
+};
+
+struct battery_data_table {
+	unsigned short int table[MAX_BP_LUT_ROWS][MAX_BP_LUT_COLS];
+	int unit_conv_factor[MAX_BP_LUT_COLS];
+	unsigned short int nrows;
+	unsigned short int ncols;
+};
+
+struct battery_config {
+	char bp_profile_name[MAX_PROFILE_NAME_LENGTH];
+	int bp_batt_id;
+	int capacity;
+	int bp_checksum;
+	int soh_range_high;
+	int soh_range_low;
+	int normal_impedance;
+	int aged_impedance;
+	int normal_capacity;
+	int aged_capacity;
+	int recharge_soc_delta;
+	int recharge_vflt_delta;
+	int recharge_iterm;
+};
+
+struct battery_profile_table {
+	enum profile_table_type table_type;
+	int table_index;
+	struct battery_data_table *table;
+};
+
+/* IOCTLs to query battery profile data */
+/* Battery configuration */
+#define BPIOCXBP \
+	_IOWR('B', 0x01, struct battery_config)
+/* Battery profile table */
+#define BPIOCXBPTABLE \
+	_IOWR('B', 0x02, struct battery_profile_table)
+
+#endif

include/uapi/linux/qbg.h

@@ -0,0 +1,179 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __QBG_H__
+#define __QBG_H__
+
+#define MAX_FIFO_COUNT			36
+#define QBG_MAX_STEP_CHG_ENTRIES	6
+
+enum QBG_STATE {
+	QBG_LPM,
+	QBG_MPM,
+	QBG_HPM,
+	QBG_FAST_CHAR,
+	QBG_PON_OCV,
+	QBG_STATE_MAX,
+};
+
+enum QBG_SDAM_DATA_OFFSET {
+	QBG_ACC0_OFFSET = 0,
+	QBG_ACC1_OFFSET = 2,
+	QBG_ACC2_OFFSET = 4,
+	QBG_TBAT_OFFSET = 6,
+	QBG_IBAT_OFFSET = 8,
+	QBG_VREF_OFFSET = 10,
+	QBG_DATA_TAG_OFFSET = 12,
+	QBG_QG_STS_OFFSET,
+	QBG_STS1_OFFSET,
+	QBG_STS2_OFFSET,
+	QBG_STS3_OFFSET,
+	QBG_ONE_FIFO_LENGTH,
+};
+
+enum qbg {
+	QBG_PARAM_SOC,
+	QBG_PARAM_BATT_SOC,
+	QBG_PARAM_SYS_SOC,
+	QBG_PARAM_ESR,
+	QBG_PARAM_OCV_UV,
+	QBG_PARAM_MAX_LOAD_NOW,
+	QBG_PARAM_MAX_LOAD_AVG,
+	QBG_PARAM_HOLD_SOC_100PCT,
+	QBG_PARAM_CHARGE_CYCLE_COUNT,
+	QBG_PARAM_LEARNED_CAPACITY,
+	QBG_PARAM_TTF_100MS,
+	QBG_PARAM_TTE_100MS,
+	QBG_PARAM_SOH,
+	QBG_PARAM_TBAT,
+	QBG_PARAM_SYS_SOC_HOLD_100PCT,
+	QBG_PARAM_JEITA_COOL_THRESHOLD,
+	QBG_PARAM_TOTAL_IMPEDANCE,
+	QBG_PARAM_ESSENTIAL_PARAM_REVID,
+	QBG_PARAM_FIFO_TIMESTAMP,
+	QBG_PARAM_MAX,
+};
+
+struct qbg_essential_params {
+	short int		msoc;
+	short int		cutoff_soc;
+	short int		full_soc;
+	short int		x0;
+	short int		x1;
+	short int		x2;
+	short int		soh_r;
+	short int		soh_c;
+	short int		theta0;
+	short int		theta1;
+	short int		theta2;
+	short int		i1full;
+	short int		i2full;
+	short int		i1cutoff;
+	short int		i2cutoff;
+	short int		syssoc;
+	int			discharge_cycle_count;
+	int			charge_cycle_count;
+	unsigned int		rtc_time;
+	short int		batt_therm;
+	unsigned short int	ocv;
+} __attribute__ ((__packed__));
+
+struct fifo_data {
+	unsigned short int	v1;
+	unsigned short int	v2;
+	unsigned short int	i;
+	unsigned short int	tbat;
+	unsigned short int	ibat;
+	unsigned short int	vref;
+	char			data_tag;
+	char			qg_sts;
+	char			sts1;
+	char			sts2;
+	char			sts3;
+} __attribute__ ((__packed__));
+
+struct k_fifo_data {
+	unsigned int	v1;
+	unsigned int	v2;
+	unsigned int	i;
+	unsigned int	tbat;
+	unsigned int	ibat;
+	unsigned int	vref;
+	unsigned int	data_tag;
+	unsigned int	qg_sts;
+	unsigned int	sts1;
+	unsigned int	sts2;
+	unsigned int	sts3;
+} __attribute__ ((__packed__));
+
+struct qbg_config {
+	unsigned int	batt_id;
+	unsigned int	pon_ocv;
+	unsigned int	pon_ibat;
+	unsigned int	pon_tbat;
+	unsigned int	pon_soc;
+	unsigned int	float_volt_uv;
+	unsigned int	fastchg_curr_ma;
+	unsigned int	vbat_cutoff_mv;
+	unsigned int	ibat_cutoff_ma;
+	unsigned int	vph_min_mv;
+	unsigned int	iterm_ma;
+	unsigned int	rconn_mohm;
+	unsigned long	current_time;
+	unsigned int	sdam_batt_id;
+	unsigned int	essential_param_revid;
+	unsigned long	sample_time_us[QBG_STATE_MAX];
+} __attribute__ ((__packed__));
+
+struct qbg_param {
+	unsigned int			data;
+	_Bool				valid;
+};
+
+struct qbg_kernel_data {
+	unsigned int			seq_no;
+	unsigned int			fifo_time;
+	unsigned int			fifo_count;
+	struct k_fifo_data		fifo[MAX_FIFO_COUNT];
+	struct qbg_param		param[QBG_PARAM_MAX];
+} __attribute__ ((__packed__));
+
+struct qbg_user_data {
+	struct qbg_param		param[QBG_PARAM_MAX];
+} __attribute__ ((__packed__));
+
+struct range_data {
+	int		low_threshold;
+	int		high_threshold;
+	unsigned int	value;
+} __attribute__ ((__packed__));
+
+struct ranges {
+	struct		range_data data[QBG_MAX_STEP_CHG_ENTRIES];
+	unsigned char	range_count;
+	_Bool		valid;
+} __attribute__((__packed__));
+
+struct qbg_step_chg_jeita_params {
+	int		jeita_full_fv_10nv;
+	int		jeita_full_iterm_10na;
+	int		jeita_warm_adc_value;
+	int		jeita_cool_adc_value;
+	int		battery_beta;
+	int		battery_therm_kohm;
+	struct ranges	step_fcc_cfg;
+	struct ranges	jeita_fcc_cfg;
+	struct ranges	jeita_fv_cfg;
+	unsigned char	ttf_calc_mode;
+} __attribute__ ((__packed__));
+
+/*  IOCTLs to read & write QBG config and essential params */
+#define QBGIOCXCFG	_IOR('B', 0x01, struct qbg_config)
+#define QBGIOCXEPR	_IOR('B', 0x02, struct qbg_essential_params)
+#define QBGIOCXEPW	_IOWR('B', 0x03, struct qbg_essential_params)
+#define QBGIOCXSTEPCHGCFG \
+		_IOWR('B', 0x04, struct qbg_step_chg_jeita_params)
+
+#endif