1/*- 2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/sys/dev/gpio/gpioc.c 274670 2014-11-18 17:22:08Z loos $"); |
29 30#include <sys/param.h> 31#include <sys/systm.h> |
32#include <sys/bus.h> 33#include <sys/conf.h> |
34#include <sys/gpio.h> |
35#include <sys/ioccom.h> 36#include <sys/kernel.h> 37#include <sys/malloc.h> 38#include <sys/module.h> |
39 |
40#include <dev/gpio/gpiobusvar.h> 41 |
42#include "gpio_if.h" 43 44#undef GPIOC_DEBUG 45#ifdef GPIOC_DEBUG 46#define dprintf printf 47#else 48#define dprintf(x, arg...) 49#endif --- 61 unchanged lines hidden (view full) --- 111static int 112gpioc_ioctl(struct cdev *cdev, u_long cmd, caddr_t arg, int fflag, 113 struct thread *td) 114{ 115 int max_pin, res; 116 struct gpioc_softc *sc = cdev->si_drv1; 117 struct gpio_pin pin; 118 struct gpio_req req; |
119 uint32_t caps; |
120 121 switch (cmd) { 122 case GPIOMAXPIN: 123 max_pin = -1; 124 res = GPIO_PIN_MAX(sc->sc_pdev, &max_pin); 125 bcopy(&max_pin, arg, sizeof(max_pin)); 126 break; 127 case GPIOGETCONFIG: --- 6 unchanged lines hidden (view full) --- 134 break; 135 GPIO_PIN_GETCAPS(sc->sc_pdev, pin.gp_pin, &pin.gp_caps); 136 GPIO_PIN_GETNAME(sc->sc_pdev, pin.gp_pin, pin.gp_name); 137 bcopy(&pin, arg, sizeof(pin)); 138 break; 139 case GPIOSETCONFIG: 140 bcopy(arg, &pin, sizeof(pin)); 141 dprintf("set config pin %d\n", pin.gp_pin); |
142 res = GPIO_PIN_GETCAPS(sc->sc_pdev, pin.gp_pin, &caps); 143 if (res == 0) 144 res = gpio_check_flags(caps, pin.gp_flags); 145 if (res == 0) 146 res = GPIO_PIN_SETFLAGS(sc->sc_pdev, pin.gp_pin, 147 pin.gp_flags); |
148 break; 149 case GPIOGET: 150 bcopy(arg, &req, sizeof(req)); 151 res = GPIO_PIN_GET(sc->sc_pdev, req.gp_pin, 152 &req.gp_value); 153 dprintf("read pin %d -> %d\n", 154 req.gp_pin, req.gp_value); 155 bcopy(&req, arg, sizeof(req)); --- 44 unchanged lines hidden --- |