1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2019 Michal Meloun <mmel@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _ACT8846_H_ 32 #define _ACT8846_H_ 33 34 #include <dev/iicbus/pmic/act8846_reg.h> 35 36 struct act8846_reg_sc; 37 struct act8846_gpio_pin; 38 39 struct act8846_softc { 40 device_t dev; 41 struct sx lock; 42 int bus_addr; 43 44 /* Regulators. */ 45 struct act8846_reg_sc **regs; 46 int nregs; 47 }; 48 49 #define RD1(sc, reg, val) act8846_read(sc, reg, val) 50 #define WR1(sc, reg, val) act8846_write(sc, reg, val) 51 #define RM1(sc, reg, clr, set) act8846_modify(sc, reg, clr, set) 52 53 int act8846_read(struct act8846_softc *sc, uint8_t reg, uint8_t *val); 54 int act8846_write(struct act8846_softc *sc, uint8_t reg, uint8_t val); 55 int act8846_modify(struct act8846_softc *sc, uint8_t reg, uint8_t clear, 56 uint8_t set); 57 int act8846_read_buf(struct act8846_softc *sc, uint8_t reg, uint8_t *buf, 58 size_t size); 59 int act8846_write_buf(struct act8846_softc *sc, uint8_t reg, uint8_t *buf, 60 size_t size); 61 62 /* Regulators */ 63 int act8846_regulator_attach(struct act8846_softc *sc, phandle_t node); 64 int act8846_regulator_map(device_t dev, phandle_t xref, int ncells, 65 pcell_t *cells, int *num); 66 67 #endif /* _ACT8846_H_ */ 68