Index: head/sys/dev/bhnd/cores/chipc/chipc_gpiovar.h =================================================================== --- head/sys/dev/bhnd/cores/chipc/chipc_gpiovar.h (revision 326837) +++ head/sys/dev/bhnd/cores/chipc/chipc_gpiovar.h (revision 326838) @@ -1,163 +1,163 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2017 The FreeBSD Foundation * All rights reserved. * * This software was developed by Landon Fuller under sponsorship from * the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _BHND_CORES_CHIPC_CHIPC_GPIOVAR_H_ #define _BHND_CORES_CHIPC_CHIPC_GPIOVAR_H_ #include #include #include #include #include /** * ChipCommon GPIO device quirks. */ enum { /** * No GPIO event support. * * The CHIPC_GPIOEVENT, CHIPC_GPIOEVENT_INTM, and * CHIPC_GPIOEVENT_INTPOLARITY registers are not available. */ CC_GPIO_QUIRK_NO_EVENTS = (1<<0), /** * No GPIO duty-cycle timer support. * * The CHIPC_GPIOTIMERVAL and CHIPC_GPIOTIMEROUTMASK registers are not * available. */ CC_GPIO_QUIRK_NO_DCTIMER = (1<<1), /** * No GPIO pull-up/pull-down configuration support. * * The CHIPC_GPIOPU and CHIPC_GPIOPD registers are not available. */ CC_GPIO_QUIRK_NO_PULLUPDOWN = (1<<2), /** * Do not attach a child gpioc(4) device. * * This is primarily intended for use on bridged Wi-Fi adapters, where * userspace modification of GPIO pin configuration could introduce * significant undesirable behavior. */ CC_GPIO_QUIRK_NO_GPIOC = (1<<3), }; /** ChipCommon GPIO pin modes */ typedef enum { CC_GPIO_PIN_INPUT, CC_GPIO_PIN_OUTPUT, CC_GPIO_PIN_TRISTATE } chipc_gpio_pin_mode; /** * A single GPIO update register. */ struct chipc_gpio_reg { uint32_t value; /**< register update value */ uint32_t mask; /**< register update mask */ }; /** * A GPIO register update descriptor. */ struct chipc_gpio_update { struct chipc_gpio_reg pullup; /**< CHIPC_GPIOPU changes */ struct chipc_gpio_reg pulldown; /**< CHIPC_GPIOPD changes */ struct chipc_gpio_reg out; /**< CHIPC_GPIOOUT changes */ struct chipc_gpio_reg outen; /**< CHIPC_GPIOOUTEN changes */ struct chipc_gpio_reg timeroutmask; /**< CHIPC_GPIOTIMEROUTMASK changes */ struct chipc_gpio_reg ctrl; /**< CHIPC_GPIOCTRL changes */ }; #define CC_GPIO_UPDATE(_upd, _pin, _reg, _val) do { \ (_upd)->_reg.mask |= (1 << (_pin)); \ if (_val) \ (_upd)->_reg.value |= (1 << (_pin)); \ else \ - (_upd)->_reg.value &= (1 << (_pin)); \ + (_upd)->_reg.value &= ~(1 << (_pin)); \ } while(0) /** * ChipCommon GPIO driver instance state. */ struct chipc_gpio_softc { device_t dev; device_t gpiobus; /**< attached gpiobus child */ struct bhnd_resource *mem_res; /**< chipcommon register block */ int mem_rid; /**< resource ID of mem_res */ uint32_t quirks; /**< device quirks (see CC_GPIO_QUIRK_*) */ struct mtx mtx; /**< lock protecting RMW register access */ }; #define CC_GPIO_LOCK_INIT(sc) mtx_init(&(sc)->mtx, \ device_get_nameunit((sc)->dev), NULL, MTX_DEF) #define CC_GPIO_LOCK(sc) mtx_lock(&(sc)->mtx) #define CC_GPIO_UNLOCK(sc) mtx_unlock(&(sc)->mtx) #define CC_GPIO_LOCK_ASSERT(sc, what) mtx_assert(&(sc)->mtx, what) #define CC_GPIO_LOCK_DESTROY(sc) mtx_destroy(&(sc)->mtx) #define CC_GPIO_WR4(sc, off, val) \ bhnd_bus_write_4((sc)->mem_res, (off), (val)) #define CC_GPIO_WRFLAG(sc, pin_num, flag, val) \ CC_GPIO_WR4(sc, CHIPC_ ## flag, \ (CC_GPIO_RD4(sc, CHIPC_ ## flag) & ~(1 << pin_num)) | \ (val ? (1 << pin_num) : 0)) #define CC_GPIO_RD4(sc, off) \ bhnd_bus_read_4((sc)->mem_res, (off)) #define CC_GPIO_RDFLAG(sc, pin_num, flag) \ ((CC_GPIO_RD4(sc, CHIPC_ ## flag) & (1 << pin_num)) != 0) #define CC_GPIO_NPINS 32 #define CC_GPIO_VALID_PIN(_pin) \ ((_pin) >= 0 && (_pin) < CC_GPIO_NPINS) #define CC_GPIO_VALID_PINS(_first, _num) \ ((_num) <= CC_GPIO_NPINS && CC_GPIO_NPINS - (_num) >= _first) #define CC_GPIO_ASSERT_VALID_PIN(sc, pin_num) \ KASSERT(CC_GPIO_VALID_PIN(pin_num), ("invalid pin# %" PRIu32, pin_num)); #define CC_GPIO_QUIRK(_sc, _name) \ ((_sc)->quirks & CC_GPIO_QUIRK_ ## _name) #define CC_GPIO_ASSERT_QUIRK(_sc, name) \ KASSERT(CC_GPIO_QUIRK((_sc), name), ("quirk " __STRING(_name) " not set")) #endif /* _BHND_PWRCTL_BHND_PWRCTLVAR_H_ */