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Current Path: /usr/src/sys/arm/broadcom/bcm2835

usr / src / sys / arm / broadcom / bcm2835 /

📁 ..
📄 bcm2835_audio.c(22.97 KB)
📄 bcm2835_bsc.c(21.03 KB)
📄 bcm2835_bscreg.h(2.64 KB)
📄 bcm2835_bscvar.h(2.39 KB)
📄 bcm2835_clkman.c(5.33 KB)
📄 bcm2835_clkman.h(1.7 KB)
📄 bcm2835_cpufreq.c(39.72 KB)
📄 bcm2835_dma.c(18.84 KB)
📄 bcm2835_dma.h(2.42 KB)
📄 bcm2835_fb.c(18.73 KB)
📄 bcm2835_fbd.c(7.13 KB)
📄 bcm2835_firmware.c(5.24 KB)
📄 bcm2835_firmware.h(4.98 KB)
📄 bcm2835_ft5406.c(8.79 KB)
📄 bcm2835_gpio.c(32.85 KB)
📄 bcm2835_intr.c(12.24 KB)
📄 bcm2835_machdep.c(4.74 KB)
📄 bcm2835_mbox.c(14.75 KB)
📄 bcm2835_mbox.h(1.79 KB)
📄 bcm2835_mbox_prop.h(10.12 KB)
📄 bcm2835_pwm.c(13.74 KB)
📄 bcm2835_rng.c(12.86 KB)
📄 bcm2835_sdhci.c(23.72 KB)
📄 bcm2835_sdhost.c(32.03 KB)
📄 bcm2835_spi.c(14.68 KB)
📄 bcm2835_spireg.h(2.82 KB)
📄 bcm2835_spivar.h(2.21 KB)
📄 bcm2835_systimer.c(8.19 KB)
📄 bcm2835_vcbus.c(7.54 KB)
📄 bcm2835_vcbus.h(3.26 KB)
📄 bcm2835_vcio.c(3.01 KB)
📄 bcm2835_wdog.c(6.71 KB)
📄 bcm2835_wdog.h(1.5 KB)
📄 bcm2836.c(19.65 KB)
📄 bcm2836_mp.c(4.04 KB)
📄 bcm2836_mp.h(1.64 KB)
📄 bcm2838_pci.c(19.43 KB)
📄 bcm2838_xhci.c(5.74 KB)
📄 bcm283x_dwc_fdt.c(3.13 KB)
📄 files.bcm2835(63 B)
📄 files.bcm2836(103 B)
📄 files.bcm283x(2.65 KB)
📄 raspberrypi_gpio.c(11.42 KB)
📄 std.bcm2835(199 B)
📄 std.bcm2836(196 B)
📄 std.rpi(37 B)
📄 vc_vchi_audioserv_defs.h(4.06 KB)

Editing: bcm2835_vcio.c

/*-
 * Copyright (c) 2015 Oleksandr Tymoshenko <gonzo@freebsd.org>
 *
 * 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.
 */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/ioccom.h>
#include <sys/conf.h>
#include <sys/proc.h>

#include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h>

MALLOC_DECLARE(M_VCIO);
MALLOC_DEFINE(M_VCIO, "vcio", "VCIO temporary buffers");

static struct cdev *sdev;
static d_ioctl_t vcio_ioctl;

static struct cdevsw vcio_devsw = {
	/* version */	.d_version = D_VERSION,
	/* ioctl */	.d_ioctl = vcio_ioctl,
};

#define VCIO_IOC_MAGIC 100
#define IOCTL_MBOX_PROPERTY _IOWR(VCIO_IOC_MAGIC, 0, char *)

int
vcio_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int mode,
    struct thread *td)
{
    int error;
    void *ptr;
    uint32_t size;
    uint8_t *property;

error = 0;
    switch(cmd) {
    case IOCTL_MBOX_PROPERTY:
    	memcpy (&ptr, arg, sizeof(ptr));
	error = copyin(ptr, &size, sizeof(size));

if (error != 0)
		break;
	property = malloc(size, M_VCIO, M_WAITOK);

error = copyin(ptr, property, size);
	if (error) {
		free(property, M_VCIO);
		break;
	}

error = bcm2835_mbox_property(property, size);
	if (error) {
		free(property, M_VCIO);
		break;
	}

error = copyout(property, ptr, size);
	free(property, M_VCIO);

break;
    default:
	error = EINVAL;
	break;
    }
    return (error);
}

static int
vcio_load(module_t mod, int cmd, void *arg)
{
    int  err = 0;

switch (cmd) {
    case MOD_LOAD:
	sdev = make_dev(&vcio_devsw, 0, UID_ROOT, GID_WHEEL, 0600, "vcio");
	break;

case MOD_UNLOAD:
	destroy_dev(sdev);
	break;

default:
	err = EOPNOTSUPP;
	break;
    }

return(err);
}

DEV_MODULE(vcio, vcio_load, NULL);
MODULE_DEPEND(vcio, mbox, 1, 1, 1);

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Editing: bcm2835_vcio.c

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