| bcm2835_gpio.c (277941) | bcm2835_gpio.c (277996) |
|---|---|
| 1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * Copyright (c) 2012 Luiz Otavio O Souza. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * Copyright (c) 2012 Luiz Otavio O Souza. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_gpio.c 277941 2015-01-30 18:18:09Z loos $"); | 29__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_gpio.c 277996 2015-01-31 19:32:14Z loos $"); |
| 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/rman.h> --- 5 unchanged lines hidden (view full) --- 43#include <machine/bus.h> 44#include <machine/cpu.h> 45#include <machine/cpufunc.h> 46#include <machine/resource.h> 47#include <machine/fdt.h> 48#include <machine/intr.h> 49 50#include <dev/fdt/fdt_common.h> | 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/rman.h> --- 5 unchanged lines hidden (view full) --- 43#include <machine/bus.h> 44#include <machine/cpu.h> 45#include <machine/cpufunc.h> 46#include <machine/resource.h> 47#include <machine/fdt.h> 48#include <machine/intr.h> 49 50#include <dev/fdt/fdt_common.h> |
| 51#include <dev/gpio/gpiobusvar.h> |
|
| 51#include <dev/ofw/ofw_bus.h> 52#include <dev/ofw/ofw_bus_subr.h> 53 54#include <arm/broadcom/bcm2835/bcm2835_gpio.h> 55 56#include "gpio_if.h" 57 58#ifdef DEBUG --- 19 unchanged lines hidden (view full) --- 78 79struct bcm_gpio_sysctl { 80 struct bcm_gpio_softc *sc; 81 uint32_t pin; 82}; 83 84struct bcm_gpio_softc { 85 device_t sc_dev; | 52#include <dev/ofw/ofw_bus.h> 53#include <dev/ofw/ofw_bus_subr.h> 54 55#include <arm/broadcom/bcm2835/bcm2835_gpio.h> 56 57#include "gpio_if.h" 58 59#ifdef DEBUG --- 19 unchanged lines hidden (view full) --- 79 80struct bcm_gpio_sysctl { 81 struct bcm_gpio_softc *sc; 82 uint32_t pin; 83}; 84 85struct bcm_gpio_softc { 86 device_t sc_dev; |
| 87 device_t sc_busdev; |
|
| 86 struct mtx sc_mtx; 87 struct resource * sc_res[BCM_GPIO_IRQS + 1]; 88 bus_space_tag_t sc_bst; 89 bus_space_handle_t sc_bsh; 90 void * sc_intrhand; 91 int sc_gpio_npins; 92 int sc_ro_npins; 93 int sc_ro_pins[BCM_GPIO_PINS]; --- 218 unchanged lines hidden (view full) --- 312 bcm_gpio_set_pud(sc, pin->gp_pin, BCM_GPIO_PULLDOWN); 313 } 314 } else 315 bcm_gpio_set_pud(sc, pin->gp_pin, BCM_GPIO_NONE); 316 317 BCM_GPIO_UNLOCK(sc); 318} 319 | 88 struct mtx sc_mtx; 89 struct resource * sc_res[BCM_GPIO_IRQS + 1]; 90 bus_space_tag_t sc_bst; 91 bus_space_handle_t sc_bsh; 92 void * sc_intrhand; 93 int sc_gpio_npins; 94 int sc_ro_npins; 95 int sc_ro_pins[BCM_GPIO_PINS]; --- 218 unchanged lines hidden (view full) --- 314 bcm_gpio_set_pud(sc, pin->gp_pin, BCM_GPIO_PULLDOWN); 315 } 316 } else 317 bcm_gpio_set_pud(sc, pin->gp_pin, BCM_GPIO_NONE); 318 319 BCM_GPIO_UNLOCK(sc); 320} 321 |
| 322static device_t 323bcm_gpio_get_bus(device_t dev) 324{ 325 struct bcm_gpio_softc *sc; 326 327 sc = device_get_softc(dev); 328 329 return (sc->sc_busdev); 330} 331 |
|
| 320static int 321bcm_gpio_pin_max(device_t dev, int *maxpin) 322{ 323 324 *maxpin = BCM_GPIO_PINS - 1; 325 return (0); 326} 327 --- 376 unchanged lines hidden (view full) --- 704 "pin %d", j); 705 func = bcm_gpio_get_function(sc, j); 706 sc->sc_gpio_pins[i].gp_pin = j; 707 sc->sc_gpio_pins[i].gp_caps = BCM_GPIO_DEFAULT_CAPS; 708 sc->sc_gpio_pins[i].gp_flags = bcm_gpio_func_flag(func); 709 i++; 710 } 711 sc->sc_gpio_npins = i; | 332static int 333bcm_gpio_pin_max(device_t dev, int *maxpin) 334{ 335 336 *maxpin = BCM_GPIO_PINS - 1; 337 return (0); 338} 339 --- 376 unchanged lines hidden (view full) --- 716 "pin %d", j); 717 func = bcm_gpio_get_function(sc, j); 718 sc->sc_gpio_pins[i].gp_pin = j; 719 sc->sc_gpio_pins[i].gp_caps = BCM_GPIO_DEFAULT_CAPS; 720 sc->sc_gpio_pins[i].gp_flags = bcm_gpio_func_flag(func); 721 i++; 722 } 723 sc->sc_gpio_npins = i; |
| 712 | |
| 713 bcm_gpio_sysctl_init(sc); | 724 bcm_gpio_sysctl_init(sc); |
| 725 sc->sc_busdev = gpiobus_attach_bus(dev); 726 if (sc->sc_busdev == NULL) 727 goto fail; |
|
| 714 | 728 |
| 715 device_add_child(dev, "gpioc", -1); 716 device_add_child(dev, "gpiobus", -1); | 729 return (0); |
| 717 | 730 |
| 718 return (bus_generic_attach(dev)); 719 | |
| 720fail: 721 bus_release_resources(dev, bcm_gpio_res_spec, sc->sc_res); 722 mtx_destroy(&sc->sc_mtx); 723 724 return (ENXIO); 725} 726 727static int --- 13 unchanged lines hidden (view full) --- 741 742static device_method_t bcm_gpio_methods[] = { 743 /* Device interface */ 744 DEVMETHOD(device_probe, bcm_gpio_probe), 745 DEVMETHOD(device_attach, bcm_gpio_attach), 746 DEVMETHOD(device_detach, bcm_gpio_detach), 747 748 /* GPIO protocol */ | 731fail: 732 bus_release_resources(dev, bcm_gpio_res_spec, sc->sc_res); 733 mtx_destroy(&sc->sc_mtx); 734 735 return (ENXIO); 736} 737 738static int --- 13 unchanged lines hidden (view full) --- 752 753static device_method_t bcm_gpio_methods[] = { 754 /* Device interface */ 755 DEVMETHOD(device_probe, bcm_gpio_probe), 756 DEVMETHOD(device_attach, bcm_gpio_attach), 757 DEVMETHOD(device_detach, bcm_gpio_detach), 758 759 /* GPIO protocol */ |
| 760 DEVMETHOD(gpio_get_bus, bcm_gpio_get_bus), |
|
| 749 DEVMETHOD(gpio_pin_max, bcm_gpio_pin_max), 750 DEVMETHOD(gpio_pin_getname, bcm_gpio_pin_getname), 751 DEVMETHOD(gpio_pin_getflags, bcm_gpio_pin_getflags), 752 DEVMETHOD(gpio_pin_getcaps, bcm_gpio_pin_getcaps), 753 DEVMETHOD(gpio_pin_setflags, bcm_gpio_pin_setflags), 754 DEVMETHOD(gpio_pin_get, bcm_gpio_pin_get), 755 DEVMETHOD(gpio_pin_set, bcm_gpio_pin_set), 756 DEVMETHOD(gpio_pin_toggle, bcm_gpio_pin_toggle), --- 16 unchanged lines hidden --- | 761 DEVMETHOD(gpio_pin_max, bcm_gpio_pin_max), 762 DEVMETHOD(gpio_pin_getname, bcm_gpio_pin_getname), 763 DEVMETHOD(gpio_pin_getflags, bcm_gpio_pin_getflags), 764 DEVMETHOD(gpio_pin_getcaps, bcm_gpio_pin_getcaps), 765 DEVMETHOD(gpio_pin_setflags, bcm_gpio_pin_setflags), 766 DEVMETHOD(gpio_pin_get, bcm_gpio_pin_get), 767 DEVMETHOD(gpio_pin_set, bcm_gpio_pin_set), 768 DEVMETHOD(gpio_pin_toggle, bcm_gpio_pin_toggle), --- 16 unchanged lines hidden --- |