1 1.3 jmcneill /* $NetBSD: imxgpiovar.h,v 1.3 2020/01/15 01:09:56 jmcneill Exp $ */ 2 1.1 bsh /*- 3 1.1 bsh * Copyright (c) 2007 The NetBSD Foundation, Inc. 4 1.1 bsh * All rights reserved. 5 1.1 bsh * 6 1.1 bsh * This code is derived from software contributed to The NetBSD Foundation 7 1.1 bsh * by Matt Thomas 8 1.1 bsh * 9 1.1 bsh * Redistribution and use in source and binary forms, with or without 10 1.1 bsh * modification, are permitted provided that the following conditions 11 1.1 bsh * are met: 12 1.1 bsh * 1. Redistributions of source code must retain the above copyright 13 1.1 bsh * notice, this list of conditions and the following disclaimer. 14 1.1 bsh * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 bsh * notice, this list of conditions and the following disclaimer in the 16 1.1 bsh * documentation and/or other materials provided with the distribution. 17 1.1 bsh * 18 1.1 bsh * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.1 bsh * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.1 bsh * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.1 bsh * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.1 bsh * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.1 bsh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.1 bsh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.1 bsh * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.1 bsh * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.1 bsh * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.1 bsh * POSSIBILITY OF SUCH DAMAGE. 29 1.1 bsh */ 30 1.2 hkenken #ifndef _ARM_IMX_IMXGPIOVAR_H 31 1.2 hkenken #define _ARM_IMX_IMXGPIOVAR_H 32 1.2 hkenken 33 1.2 hkenken #include <sys/gpio.h> 34 1.2 hkenken #include <dev/gpio/gpiovar.h> 35 1.1 bsh 36 1.1 bsh #include <arm/imx/imxgpioreg.h> /* for GPIO_NPINS */ 37 1.1 bsh 38 1.2 hkenken struct imxgpio_softc { 39 1.2 hkenken struct pic_softc gpio_pic; 40 1.2 hkenken 41 1.2 hkenken device_t gpio_dev; 42 1.2 hkenken bus_space_tag_t gpio_memt; 43 1.2 hkenken bus_space_handle_t gpio_memh; 44 1.2 hkenken 45 1.2 hkenken void *gpio_is; 46 1.2 hkenken void *gpio_is_high; 47 1.2 hkenken 48 1.3 jmcneill int gpio_unit; 49 1.3 jmcneill int gpio_irqbase; 50 1.2 hkenken uint32_t gpio_enable_mask; 51 1.2 hkenken uint32_t gpio_edge_mask; 52 1.2 hkenken uint32_t gpio_level_mask; 53 1.2 hkenken #if NGPIO > 0 54 1.2 hkenken struct gpio_chipset_tag gpio_chipset; 55 1.2 hkenken gpio_pin_t gpio_pins[32]; 56 1.2 hkenken #endif 57 1.2 hkenken 58 1.2 hkenken kmutex_t gpio_lock; 59 1.2 hkenken }; 60 1.2 hkenken 61 1.2 hkenken struct imxgpio_pin { 62 1.2 hkenken int pin_no; 63 1.2 hkenken u_int pin_flags; 64 1.2 hkenken bool pin_actlo; 65 1.2 hkenken }; 66 1.2 hkenken 67 1.2 hkenken void imxgpio_attach_common(device_t); 68 1.1 bsh /* defined imx[35]1_gpio.c */ 69 1.1 bsh extern const int imxgpio_ngroups; 70 1.1 bsh int imxgpio_match(device_t, cfdata_t, void *); 71 1.1 bsh void imxgpio_attach(device_t, device_t, void *); 72 1.1 bsh 73 1.2 hkenken int imxgpio_pin_read(void *, int); 74 1.2 hkenken void imxgpio_pin_write(void *, int, int); 75 1.2 hkenken void imxgpio_pin_ctl(void *, int, int); 76 1.2 hkenken 77 1.2 hkenken /* in-kernel GPIO access utility functions */ 78 1.3 jmcneill void imxgpio_set_direction(u_int, int); 79 1.3 jmcneill void imxgpio_data_write(u_int, u_int); 80 1.3 jmcneill bool imxgpio_data_read(u_int); 81 1.1 bsh 82 1.1 bsh #define GPIO_NO(group, pin) (((group) - 1) * GPIO_NPINS + (pin)) 83 1.1 bsh #define GPIO_MODULE(pin) ((pin) / GPIO_NPINS) 84 1.1 bsh 85 1.2 hkenken #endif /* _ARM_IMX_IMXGPIOVAR_H */ 86
Indexes created Sun Sep 21 14:09:52 GMT 2025