/*-
 * SPDX-License-Identifier: ISC
 *
 * Copyright (c) 2016 Landon Fuller <landonf@FreeBSD.org>
 * Copyright (C) 2010, Broadcom Corporation.
 * All rights reserved.
 *
 * This file is derived from the hndpmu.h header contributed by Broadcom 
 * to to the Linux staging repository, as well as later revisions of hndpmu.h
 * distributed with the Asus RT-N16 firmware source code release.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 * 
 */

#ifndef _BHND_CORES_PMU_BHND_PMU_PRIVATE_H_
#define _BHND_CORES_PMU_BHND_PMU_PRIVATE_H_

#include <sys/types.h>

#include "bhnd_pmuvar.h"

/* Register I/O */
#define	BHND_PMU_READ_4(_sc, _reg)	(_sc)->io->rd4((_reg), (_sc)->io_ctx)
#define	BHND_PMU_WRITE_4(_sc, _reg, _val)	\
	(_sc)->io->wr4((_reg), (_val), (_sc)->io_ctx)

#define	BHND_PMU_AND_4(_sc, _reg, _val)		\
	BHND_PMU_WRITE_4((_sc), (_reg),		\
	    BHND_PMU_READ_4((_sc), (_reg)) & (_val))
#define	BHND_PMU_OR_4(_sc, _reg, _val)		\
	BHND_PMU_WRITE_4((_sc), (_reg),		\
	    BHND_PMU_READ_4((_sc), (_reg)) | (_val))

/* Indirect register support */
#define	BHND_PMU_IND_READ(_sc, _src, _reg)			\
	bhnd_pmu_ind_read((_sc)->io, (_sc)->io_ctx,		\
	    BHND_PMU_ ## _src ## _ADDR, BHND_PMU_ ## _src ## _DATA, (_reg))
#define	BHND_PMU_IND_WRITE(_sc, _src, _reg, _val, _mask)	\
	bhnd_pmu_ind_write((_sc)->io, (_sc)->io_ctx,		\
	    BHND_PMU_ ## _src ## _ADDR,				\
	    BHND_PMU_ ## _src ## _DATA, (_reg), (_val), (_mask))

/* Chip Control indirect registers */
#define	BHND_PMU_CCTRL_READ(_sc, _reg)			\
	BHND_PMU_IND_READ((_sc), CHIP_CONTROL, (_reg))
#define	BHND_PMU_CCTRL_WRITE(_sc, _reg, _val, _mask)	\
	BHND_PMU_IND_WRITE((_sc), CHIP_CONTROL, (_reg), (_val), (_mask))

/* Regulator Control indirect registers */
#define	BHND_PMU_REGCTRL_READ(_sc, _reg)			\
	BHND_PMU_IND_READ((_sc), REG_CONTROL, (_reg))
#define	BHND_PMU_REGCTRL_WRITE(_sc, _reg, _val, _mask)	\
	BHND_PMU_IND_WRITE((_sc), REG_CONTROL, (_reg), (_val), (_mask))

/* PLL Control indirect registers */
#define	BHND_PMU_PLL_READ(_sc, _reg)			\
	BHND_PMU_IND_READ((_sc), PLL_CONTROL, (_reg))
#define	BHND_PMU_PLL_WRITE(_sc, _reg, _val, _mask)	\
	BHND_PMU_IND_WRITE((_sc), PLL_CONTROL, (_reg), (_val), (_mask))

/** FVCO frequencies, in Hz */
enum {
	FVCO_880	= 880	* 1000,	/**< 880MHz */
	FVCO_1760	= 1760	* 1000,	/**< 1760MHz */
	FVCO_1440	= 1440	* 1000,	/**< 1440MHz */
	FVCO_960	= 960	* 1000,	/**< 960MHz */
};

/** LDO voltage tunables */
enum {
	SET_LDO_VOLTAGE_LDO1		= 1,
	SET_LDO_VOLTAGE_LDO2		= 2,
	SET_LDO_VOLTAGE_LDO3		= 3,
	SET_LDO_VOLTAGE_PAREF		= 4,
	SET_LDO_VOLTAGE_CLDO_PWM	= 5,
	SET_LDO_VOLTAGE_CLDO_BURST	= 6,
	SET_LDO_VOLTAGE_CBUCK_PWM	= 7,
	SET_LDO_VOLTAGE_CBUCK_BURST	= 8,
	SET_LDO_VOLTAGE_LNLDO1		= 9,
	SET_LDO_VOLTAGE_LNLDO2_SEL	= 10,
};

uint32_t	bhnd_pmu_ind_read(const struct bhnd_pmu_io *io, void *io_ctx,
		    bus_size_t addr, bus_size_t data, uint32_t reg);
void		bhnd_pmu_ind_write(const struct bhnd_pmu_io *io, void *io_ctx,
		    bus_size_t addr, bus_size_t data, uint32_t reg,
		    uint32_t val, uint32_t mask);

int		bhnd_pmu_init(struct bhnd_pmu_softc *sc);
void		bhnd_pmu_pll_init(struct bhnd_pmu_softc *sc, uint32_t xtalfreq);
int		bhnd_pmu_res_init(struct bhnd_pmu_softc *sc);
void		bhnd_pmu_swreg_init(struct bhnd_pmu_softc *sc);

uint32_t	bhnd_pmu_force_ilp(struct bhnd_pmu_softc *sc, bool force);

void		bhnd_pmu_set_switcher_voltage(struct bhnd_pmu_softc *sc,
		    uint8_t bb_voltage, uint8_t rf_voltage);
int		bhnd_pmu_set_ldo_voltage(struct bhnd_pmu_softc *sc,
		    uint8_t ldo, uint8_t voltage);
int		bhnd_pmu_fast_pwrup_delay(struct bhnd_pmu_softc *sc,
		    u_int *pwrup_delay);
void		bhnd_pmu_rcal(struct bhnd_pmu_softc *sc);
int		bhnd_pmu_set_spuravoid(struct bhnd_pmu_softc *sc,
		    bhnd_pmu_spuravoid spuravoid);

bool		bhnd_pmu_is_otp_powered(struct bhnd_pmu_softc *sc);
uint32_t	bhnd_pmu_measure_alpclk(struct bhnd_pmu_softc *sc);

int		bhnd_pmu_radio_enable(struct bhnd_pmu_softc *sc,
		    device_t d11core, bool enable);

uint32_t	bhnd_pmu_waitforclk_on_backplane(struct bhnd_pmu_softc *sc,
		    uint32_t clk, uint32_t delay);

int		bhnd_pmu_otp_power(struct bhnd_pmu_softc *sc, bool on);
void		bhnd_pmu_sdiod_drive_strength_init(struct bhnd_pmu_softc *sc,
		    uint32_t drivestrength);

int		bhnd_pmu_paref_ldo_enable(struct bhnd_pmu_softc *sc,
		    bool enable);

#endif /* _BHND_CORES_PMU_BHND_PMU_PRIVATE_H_ */