C++ OF_getproplen函数代码示例

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本文整理汇总了C++中OF_getproplen函数的典型用法代码示例。如果您正苦于以下问题：C++ OF_getproplen函数的具体用法？C++ OF_getproplen怎么用？C++ OF_getproplen使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了OF_getproplen函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: parse_dts

static int
parse_dts(struct ckb_softc *sc)
{
	phandle_t node;
	pcell_t dts_value;
	int len;

	if ((node = ofw_bus_get_node(sc->dev)) == -1)
		return (ENXIO);

	if ((len = OF_getproplen(node, "keypad,num-rows")) <= 0)
		return (ENXIO);
	OF_getprop(node, "keypad,num-rows", &dts_value, len);
	sc->rows = fdt32_to_cpu(dts_value);

	if ((len = OF_getproplen(node, "keypad,num-columns")) <= 0)
		return (ENXIO);
	OF_getprop(node, "keypad,num-columns", &dts_value, len);
	sc->cols = fdt32_to_cpu(dts_value);

	if ((sc->rows == 0) || (sc->cols == 0))
		return (ENXIO);

	return (0);
}

开发者ID:ChristosKa，项目名称:freebsd，代码行数:25，代码来源:chrome_kb.c

示例2: ksz9021_load_values

static int
ksz9021_load_values(struct mii_softc *sc, phandle_t node, uint32_t reg,
			char *field1, char *field2,
			char *field3, char *field4)
{
	pcell_t dts_value[1];
	int len;
	int val;

	val = 0;

	if ((len = OF_getproplen(node, field1)) > 0) {
		OF_getencprop(node, field1, dts_value, len);
		val = PS_TO_REG(dts_value[0]);
	}

	if ((len = OF_getproplen(node, field2)) > 0) {
		OF_getencprop(node, field2, dts_value, len);
		val |= PS_TO_REG(dts_value[0]) << 4;
	}

	if ((len = OF_getproplen(node, field3)) > 0) {
		OF_getencprop(node, field3, dts_value, len);
		val |= PS_TO_REG(dts_value[0]) << 8;
	}

	if ((len = OF_getproplen(node, field4)) > 0) {
		OF_getencprop(node, field4, dts_value, len);
		val |= PS_TO_REG(dts_value[0]) << 12;
	}

	micphy_write(sc, reg, val);

	return (0);
}

开发者ID:Lxg1582，项目名称:freebsd，代码行数:35，代码来源:micphy.c

示例3: parse_dts

static int
parse_dts(struct ckb_softc *sc)
{
	phandle_t node;
	pcell_t dts_value;
	pcell_t *keymap;
	int len, ret;
	const char *keymap_prop = NULL;

	if ((node = ofw_bus_get_node(sc->dev)) == -1)
		return (ENXIO);

	if ((len = OF_getproplen(node, "google,key-rows")) <= 0)
		return (ENXIO);
	OF_getencprop(node, "google,key-rows", &dts_value, len);
	sc->rows = dts_value;

	if ((len = OF_getproplen(node, "google,key-columns")) <= 0)
		return (ENXIO);
	OF_getencprop(node, "google,key-columns", &dts_value, len);
	sc->cols = dts_value;

	if ((len = OF_getproplen(node, "freebsd,intr-gpio")) <= 0)
		return (ENXIO);
	OF_getencprop(node, "freebsd,intr-gpio", &dts_value, len);
	sc->gpio = dts_value;

	if (OF_hasprop(node, "freebsd,keymap")) {
		keymap_prop = "freebsd,keymap";
		device_printf(sc->dev, "using FreeBSD-specific keymap from FDT\n");
	} else if (OF_hasprop(node, "linux,keymap")) {
		keymap_prop = "linux,keymap";
		device_printf(sc->dev, "using Linux keymap from FDT\n");
	} else {
		device_printf(sc->dev, "using built-in keymap\n");
	}

	if (keymap_prop != NULL) {
		if ((ret = read_keymap(node, keymap_prop, &keymap, &len))) {
			device_printf(sc->dev,
			     "failed to read keymap from FDT: %d\n", ret);
			return (ret);
		}
		ret = parse_keymap(sc, keymap, len);
		free(keymap, M_DEVBUF);
		if (ret) {
			return (ret);
		}
	} else {
		if ((ret = parse_keymap(sc, default_keymap, KEYMAP_LEN))) {
			return (ret);
		}
	}

	if ((sc->rows == 0) || (sc->cols == 0) || (sc->gpio == 0))
		return (ENXIO);

	return (0);
}

开发者ID:Alkzndr，项目名称:freebsd，代码行数:59，代码来源:chrome_kb.c

示例4: ofw_init

asmlinkage void ofw_init(ofw_handle_t o, int *nomr, int *pointer)
{
	int phandle,i,mem_len,buffer[32];
	char temp[12];
  
	temp[0]='/';
	temp[1]='m';
	temp[2]='e';
	temp[3]='m';
	temp[4]='o';
	temp[5]='r';
	temp[6]='y';
	temp[7]='\0';

	phandle=OF_finddevice(o,temp);

	temp[0]='r';
	temp[1]='e';
	temp[2]='g';
	temp[3]='\0';

	mem_len = OF_getproplen(o,phandle, temp);
	OF_getprop(o,phandle, temp, buffer, mem_len);
	*nomr=mem_len >> 3;

	for (i=0; i<=mem_len/4; i++) pointer[i]=of_decode_int((const unsigned char *)&buffer[i]);

	temp[0]='/';
	temp[1]='c';
	temp[2]='h';
	temp[3]='o';
	temp[4]='s';
	temp[5]='e';
	temp[6]='n';
	temp[7]='\0';

	phandle=OF_finddevice(o,temp);

	temp[0]='b';
	temp[1]='o';
	temp[2]='o';
	temp[3]='t';
	temp[4]='a';
	temp[5]='r';
	temp[6]='g';
	temp[7]='s';
	temp[8]='\0';

	mem_len = OF_getproplen(o,phandle, temp);
	OF_getprop(o,phandle, temp, buffer, mem_len);
	for (i=0; i<=mem_len/4; i++) pointer[i+32]=buffer[i];
  
}

开发者ID:iPodLinux，项目名称:linux-2.4.24-ipod，代码行数:53，代码来源:ofw-shark.c

示例5: ofw_bus_is_compatible

int
ofw_bus_is_compatible(device_t dev, const char *onecompat)
{
	phandle_t node;
	const char *compat;
	int len, onelen, l;

	if ((compat = ofw_bus_get_compat(dev)) == NULL)
		return (0);

	if ((node = ofw_bus_get_node(dev)) == -1)
		return (0);

	/* Get total 'compatible' prop len */
	if ((len = OF_getproplen(node, "compatible")) <= 0)
		return (0);

	onelen = strlen(onecompat);

	while (len > 0) {
		if (strlen(compat) == onelen &&
		    strncasecmp(compat, onecompat, onelen) == 0)
			/* Found it. */
			return (1);

		/* Slide to the next sub-string. */
		l = strlen(compat) + 1;
		compat += l;
		len -= l;
	}
	return (0);
}

开发者ID:coyizumi，项目名称:cs111，代码行数:32，代码来源:ofw_bus_subr.c

示例6: opaldev_probe

static int
opaldev_probe(device_t dev)
{
	phandle_t iparent;
	pcell_t *irqs;
	int i, n_irqs;

	if (!ofw_bus_is_compatible(dev, "ibm,opal-v3"))
		return (ENXIO);
	if (opal_check() != 0)
		return (ENXIO);

	device_set_desc(dev, "OPAL Abstraction Firmware");

	/* Manually add IRQs before attaching */
	if (OF_hasprop(ofw_bus_get_node(dev), "opal-interrupts")) {
		iparent = OF_finddevice("/[email protected]");
		iparent = OF_xref_from_node(iparent);

		n_irqs = OF_getproplen(ofw_bus_get_node(dev),
                    "opal-interrupts") / sizeof(*irqs);
		irqs = malloc(n_irqs * sizeof(*irqs), M_DEVBUF, M_WAITOK);
		OF_getencprop(ofw_bus_get_node(dev), "opal-interrupts", irqs,
		    n_irqs * sizeof(*irqs));
		for (i = 0; i < n_irqs; i++)
			bus_set_resource(dev, SYS_RES_IRQ, i,
			    ofw_bus_map_intr(dev, iparent, 1, &irqs[i]), 1);
		free(irqs, M_DEVBUF);
	}


	return (BUS_PROBE_SPECIFIC);
}

开发者ID:derekmarcotte，项目名称:freebsd，代码行数:33，代码来源:opal_dev.c

示例7: ofw_pci_nranges

int
ofw_pci_nranges(phandle_t node, struct ofw_pci_cell_info *info)
{
	ssize_t nbase_ranges;

	if (info == NULL)
		return (-1);

	info->host_address_cells = 1;
	info->size_cells = 2;
	info->pci_address_cell = 3;

	OF_getencprop(OF_parent(node), "#address-cells",
	    &(info->host_address_cells), sizeof(info->host_address_cells));
	OF_getencprop(node, "#address-cells",
	    &(info->pci_address_cell), sizeof(info->pci_address_cell));
	OF_getencprop(node, "#size-cells", &(info->size_cells),
	    sizeof(info->size_cells));

	nbase_ranges = OF_getproplen(node, "ranges");
	if (nbase_ranges <= 0)
		return (-1);

	return (nbase_ranges / sizeof(cell_t) /
	    (info->pci_address_cell + info->host_address_cells +
	    info->size_cells));
}

开发者ID:2asoft，项目名称:freebsd，代码行数:27，代码来源:ofwpci.c

示例8: ofw_get_console_phandle_path

static int
ofw_get_console_phandle_path(phandle_t node, phandle_t *result,
    const char *prop)
{
	union {
		char buf[64];
		phandle_t ref;
	} field;
	phandle_t output;
	ssize_t size;

	size = OF_getproplen(node, prop);
	if (size == -1)
		return (ENXIO);
	OF_getprop(node, prop, &field, sizeof(field));

	/* This property might be either a ihandle or path. Hooray. */

	output = -1;
	if (field.buf[size - 1] == 0)
		output = OF_finddevice(field.buf);
	if (output == -1 && size == 4)
		output = OF_instance_to_package(field.ref);
	
	if (output != -1) {
		*result = output;
		return (0);
	}

	return (ENXIO);
}

开发者ID:Alkzndr，项目名称:freebsd，代码行数:31，代码来源:uart_cpu_powerpc.c

示例9: com_ebus_match

int
com_ebus_match(struct device *parent, void *match, void *aux)
{
	struct ebus_attach_args *ea = aux;
	int i;

	for (i=0; com_names[i]; i++)
		if (strcmp(ea->ea_name, com_names[i]) == 0)
			return (1);

	if (strcmp(ea->ea_name, "serial") == 0) {
		char compat[80];

		/* Could be anything. */
		if ((i = OF_getproplen(ea->ea_node, "compatible")) &&
			OF_getprop(ea->ea_node, "compatible", compat,
				sizeof(compat)) == i) {
			if (strcmp(compat, "su16552") == 0 ||
			    strcmp(compat, "su16550") == 0 ||
			    strcmp(compat, "FJSV,su") == 0 ||
			    strcmp(compat, "su") == 0) {
				return (1);
			}
		}
	}
	return (0);
}

开发者ID:ajinkya93，项目名称:OpenBSD，代码行数:27，代码来源:com_ebus.c

示例10: get_panel_info

static int
get_panel_info(struct fimd_softc *sc, struct panel_info *panel)
{
	phandle_t node;
	pcell_t dts_value[3];
	int len;

	if ((node = ofw_bus_get_node(sc->dev)) == -1)
		return (ENXIO);

	/* panel size */
	if ((len = OF_getproplen(node, "panel-size")) <= 0)
		return (ENXIO);
	OF_getprop(node, "panel-size", &dts_value, len);
	panel->width = fdt32_to_cpu(dts_value[0]);
	panel->height = fdt32_to_cpu(dts_value[1]);

	/* hsync */
	if ((len = OF_getproplen(node, "panel-hsync")) <= 0)
		return (ENXIO);
	OF_getprop(node, "panel-hsync", &dts_value, len);
	panel->h_back_porch = fdt32_to_cpu(dts_value[0]);
	panel->h_pulse_width = fdt32_to_cpu(dts_value[1]);
	panel->h_front_porch = fdt32_to_cpu(dts_value[2]);

	/* vsync */
	if ((len = OF_getproplen(node, "panel-vsync")) <= 0)
		return (ENXIO);
	OF_getprop(node, "panel-vsync", &dts_value, len);
	panel->v_back_porch = fdt32_to_cpu(dts_value[0]);
	panel->v_pulse_width = fdt32_to_cpu(dts_value[1]);
	panel->v_front_porch = fdt32_to_cpu(dts_value[2]);

	/* clk divider */
	if ((len = OF_getproplen(node, "panel-clk-div")) <= 0)
		return (ENXIO);
	OF_getprop(node, "panel-clk-div", &dts_value, len);
	panel->clk_div = fdt32_to_cpu(dts_value[0]);

	/* backlight pin */
	if ((len = OF_getproplen(node, "panel-backlight-pin")) <= 0)
		return (ENXIO);
	OF_getprop(node, "panel-backlight-pin", &dts_value, len);
	panel->backlight_pin = fdt32_to_cpu(dts_value[0]);

	return (0);
}

开发者ID:coyizumi，项目名称:cs111，代码行数:47，代码来源:exynos5_fimd.c

示例11: vbus_intr_map

int
vbus_intr_map(int node, int ino, uint64_t *sysino)
{
	int *imap = NULL, nimap;
	int *reg = NULL, nreg;
	int *imap_mask;
	int parent;
	int address_cells, interrupt_cells;
	uint64_t devhandle;
	uint64_t devino;
	int len;
	int err;

	parent = OF_parent(node);

	address_cells = getpropint(parent, "#address-cells", 2);
	interrupt_cells = getpropint(parent, "#interrupt-cells", 1);
	KASSERT(interrupt_cells == 1);

	len = OF_getproplen(parent, "interrupt-map-mask");
	if (len < (address_cells + interrupt_cells) * sizeof(int))
		return (-1);
	imap_mask = malloc(len, M_DEVBUF, M_NOWAIT);
	if (imap_mask == NULL)
		return (-1);
	if (OF_getprop(parent, "interrupt-map-mask", imap_mask, len) != len)
		return (-1);

	getprop(parent, "interrupt-map", sizeof(int), &nimap, (void **)&imap);
	getprop(node, "reg", sizeof(*reg), &nreg, (void **)&reg);
	if (nreg < address_cells)
		return (-1);

	while (nimap >= address_cells + interrupt_cells + 2) {
		if (vbus_cmp_cells(imap, reg, imap_mask, address_cells) &&
		    vbus_cmp_cells(&imap[address_cells], &ino,
		    &imap_mask[address_cells], interrupt_cells)) {
			node = imap[address_cells + interrupt_cells];
			devino = imap[address_cells + interrupt_cells + 1];

			free(reg, M_DEVBUF, 0);
			reg = NULL;

			getprop(node, "reg", sizeof(*reg), &nreg, (void **)&reg);
			devhandle = reg[0] & 0x0fffffff;

			err = hv_intr_devino_to_sysino(devhandle, devino, sysino);
			if (err != H_EOK)
				return (-1);

			KASSERT(*sysino == INTVEC(*sysino));
			return (0);
		}
		imap += address_cells + interrupt_cells + 2;
		nimap -= address_cells + interrupt_cells + 2;
	}

	return (-1);
}

开发者ID:ajinkya93，项目名称:OpenBSD，代码行数:59，代码来源:vbus.c

示例12: vt_efb_probe

static int
vt_efb_probe(struct vt_device *vd)
{
	phandle_t node;

	node = vt_efb_get_fbnode();
	if (node == -1)
		return (CN_DEAD);

	if ((OF_getproplen(node, "height") <= 0) ||
	    (OF_getproplen(node, "width") <= 0) ||
	    (OF_getproplen(node, "depth") <= 0) ||
	    (OF_getproplen(node, "linebytes") <= 0))
		return (CN_DEAD);

	return (CN_INTERNAL);
}

开发者ID:hmatyschok，项目名称:MeshBSD，代码行数:17，代码来源:vt_early_fb.c

示例13: ti_scm_padconf_init_from_fdt

/**
 *	ti_scm_padconf_init_from_hints - processes the hints for padconf
 *	@sc: the driver soft context
 *
 *	
 *
 *	LOCKING:
 *	Internally locks it's own context.
 *
 *	RETURNS:
 *	0 on success.
 *	EINVAL if pin requested is outside valid range or already in use.
 */
static int
ti_scm_padconf_init_from_fdt(struct ti_scm_softc *sc)
{
	const struct ti_scm_padconf *padconf;
	const struct ti_scm_padstate *padstates;
	int err;
	phandle_t node;
	int len;
	char *fdt_pad_config;
	int i;
	char *padname, *muxname, *padstate;

	node = ofw_bus_get_node(sc->sc_dev);
	len = OF_getproplen(node, "scm-pad-config");
        OF_getprop_alloc(node, "scm-pad-config", 1, (void **)&fdt_pad_config);

	i = len;
	while (i > 0) {
		padname = fdt_pad_config;
		fdt_pad_config += strlen(padname) + 1;
		i -= strlen(padname) + 1;
		if (i <= 0)
			break;

		muxname = fdt_pad_config;
		fdt_pad_config += strlen(muxname) + 1;
		i -= strlen(muxname) + 1;
		if (i <= 0)
			break;

		padstate = fdt_pad_config;
		fdt_pad_config += strlen(padstate) + 1;
		i -= strlen(padstate) + 1;
		if (i < 0)
			break;

		padconf = ti_scm_dev.padconf;

		while (padconf->ballname != NULL) {
			if (strcmp(padconf->ballname, padname) == 0) {
				padstates = ti_scm_dev.padstate;
				err = 1;
				while (padstates->state != NULL) {
					if (strcmp(padstates->state, padstate) == 0) {
						err = ti_scm_padconf_set_internal(sc,
							padconf, muxname, padstates->reg);
					}
					padstates++;
				}
				if (err)
					device_printf(sc->sc_dev, "err: failed to configure"
						"pin \"%s\"\n", padconf->ballname);
			}
			padconf++;
		}
	}
	return (0);
}

开发者ID:vkhromov，项目名称:freebsd，代码行数:71，代码来源:ti_scm.c

示例14: ksz90x1_load_values

static void
ksz90x1_load_values(struct mii_softc *sc, phandle_t node,
    uint32_t dev, uint32_t reg, char *field1, uint32_t f1mask, int f1off,
    char *field2, uint32_t f2mask, int f2off, char *field3, uint32_t f3mask,
    int f3off, char *field4, uint32_t f4mask, int f4off)
{
	pcell_t dts_value[1];
	int len;
	int val;

	if (sc->mii_mpd_model == MII_MODEL_MICREL_KSZ9031)
		val = ksz9031_read(sc, dev, reg);
	else
		val = ksz9021_read(sc, reg);

	if ((len = OF_getproplen(node, field1)) > 0) {
		OF_getencprop(node, field1, dts_value, len);
		val &= ~(f1mask << f1off);
		val |= (PS_TO_REG(dts_value[0]) & f1mask) << f1off;
	}

	if (field2 != NULL && (len = OF_getproplen(node, field2)) > 0) {
		OF_getencprop(node, field2, dts_value, len);
		val &= ~(f2mask << f2off);
		val |= (PS_TO_REG(dts_value[0]) & f2mask) << f2off;
	}

	if (field3 != NULL && (len = OF_getproplen(node, field3)) > 0) {
		OF_getencprop(node, field3, dts_value, len);
		val &= ~(f3mask << f3off);
		val |= (PS_TO_REG(dts_value[0]) & f3mask) << f3off;
	}

	if (field4 != NULL && (len = OF_getproplen(node, field4)) > 0) {
		OF_getencprop(node, field4, dts_value, len);
		val &= ~(f4mask << f4off);
		val |= (PS_TO_REG(dts_value[0]) & f4mask) << f4off;
	}

	if (sc->mii_mpd_model == MII_MODEL_MICREL_KSZ9031)
		ksz9031_write(sc, dev, reg, val);
	else
		ksz9021_write(sc, reg, val);
}

开发者ID:2trill2spill，项目名称:freebsd，代码行数:44，代码来源:micphy.c

示例15: twl_probe

/**
 *	twl_probe - 
 *	@dev: the twl device
 *
 *	Scans the FDT for a match for the device, possible compatible device
 *	strings are; "ti,twl6030", "ti,twl6025", "ti,twl4030".  
 *
 *	The FDT compat string also determines the type of device (it is currently
 *	not possible to dynamically determine the device type).
 *
 */
static int
twl_probe(device_t dev)
{
	phandle_t node;
	const char *compat;
	int len, l;
	struct twl_softc *sc;

	if ((compat = ofw_bus_get_compat(dev)) == NULL)
		return (ENXIO);

	if ((node = ofw_bus_get_node(dev)) == 0)
		return (ENXIO);

	/* Get total 'compatible' prop len */
	if ((len = OF_getproplen(node, "compatible")) <= 0)
		return (ENXIO);

	sc = device_get_softc(dev);
	sc->sc_dev = dev;
	sc->sc_type = TWL_DEVICE_UNKNOWN;

	while (len > 0) {
		if (strncasecmp(compat, "ti,twl6030", 10) == 0)
			sc->sc_type = TWL_DEVICE_6030;
		else if (strncasecmp(compat, "ti,twl6025", 10) == 0)
			sc->sc_type = TWL_DEVICE_6025;
		else if (strncasecmp(compat, "ti,twl4030", 10) == 0)
			sc->sc_type = TWL_DEVICE_4030;
		
		if (sc->sc_type != TWL_DEVICE_UNKNOWN)
			break;

		/* Slide to the next sub-string. */
		l = strlen(compat) + 1;
		compat += l;
		len -= l;
	}
	
	switch (sc->sc_type) {
	case TWL_DEVICE_4030:
		device_set_desc(dev, "TI TWL4030/TPS659x0 Companion IC");
		break;
	case TWL_DEVICE_6025:
		device_set_desc(dev, "TI TWL6025 Companion IC");
		break;
	case TWL_DEVICE_6030:
		device_set_desc(dev, "TI TWL6030 Companion IC");
		break;
	case TWL_DEVICE_UNKNOWN:
	default:
		return (ENXIO);
	}
	
	return (0);
}

开发者ID:ele7enxxh，项目名称:dtrace-pf，代码行数:67，代码来源:twl.c

示例16: psci_v0_1_init

static int
psci_v0_1_init(device_t dev)
{
    struct psci_softc *sc = device_get_softc(dev);
    int psci_fn;
    uint32_t psci_fnid;
    phandle_t node;
    int len;


    /* Zero out the function ID table - Is this needed ? */
    for (psci_fn = PSCI_FN_VERSION, psci_fnid = PSCI_FNID_VERSION;
            psci_fn < PSCI_FN_MAX; psci_fn++, psci_fnid++)
        sc->psci_fnids[psci_fn] = 0;

    /* PSCI v0.1 doesn't specify function IDs. Get them from DT */
    node = ofw_bus_get_node(dev);

    if ((len = OF_getproplen(node, "cpu_suspend")) > 0) {
        OF_getencprop(node, "cpu_suspend", &psci_fnid, len);
        sc->psci_fnids[PSCI_FN_CPU_SUSPEND] = psci_fnid;
    }

    if ((len = OF_getproplen(node, "cpu_on")) > 0) {
        OF_getencprop(node, "cpu_on", &psci_fnid, len);
        sc->psci_fnids[PSCI_FN_CPU_ON] = psci_fnid;
    }

    if ((len = OF_getproplen(node, "cpu_off")) > 0) {
        OF_getencprop(node, "cpu_off", &psci_fnid, len);
        sc->psci_fnids[PSCI_FN_CPU_OFF] = psci_fnid;
    }

    if ((len = OF_getproplen(node, "migrate")) > 0) {
        OF_getencprop(node, "migrate", &psci_fnid, len);
        sc->psci_fnids[PSCI_FN_MIGRATE] = psci_fnid;
    }

    if (bootverbose)
        device_printf(dev, "PSCI version 0.1 available\n");

    return(0);
}

开发者ID:fengsi，项目名称:freebsd，代码行数:43，代码来源:psci.c

示例17: rk30_gpio_init

static int
rk30_gpio_init(void)
{
	phandle_t child, parent, root, ctrl;
	pcell_t gpios[MAX_PINS_PER_NODE * GPIOS_PROP_CELLS];
	struct gpio_ctrl_entry *e;
	int len, rv;

	root = OF_finddevice("/");
	len = 0;
	parent = root;

	/* Traverse through entire tree to find nodes with 'gpios' prop */
	for (child = OF_child(parent); child != 0; child = OF_peer(child)) {

		/* Find a 'leaf'. Start the search from this node. */
		while (OF_child(child)) {
			parent = child;
			child = OF_child(child);
		}
		if ((len = OF_getproplen(child, "gpios")) > 0) {

			if (len > sizeof(gpios))
				return (ENXIO);

			/* Get 'gpios' property. */
			OF_getprop(child, "gpios", &gpios, len);

			e = (struct gpio_ctrl_entry *)&gpio_controllers;

			/* Find and call a handler. */
			for (; e->compat; e++) {
				/*
				 * First cell of 'gpios' property should
				 * contain a ref. to a node defining GPIO
				 * controller.
				 */
				ctrl = OF_node_from_xref(fdt32_to_cpu(gpios[0]));

				if (fdt_is_compatible(ctrl, e->compat))
					/* Call a handler. */
					if ((rv = e->handler(ctrl,
					    (pcell_t *)&gpios, len)))
						return (rv);
			}
		}

		if (OF_peer(child) == 0) {
			/* No more siblings. */
			child = parent;
			parent = OF_parent(child);
		}
	}
	return (0);
}

开发者ID:coyizumi，项目名称:cs111，代码行数:55，代码来源:rk30xx_gpio.c

示例18: edma_attach

static int
edma_attach(device_t dev)
{
	struct edma_softc *sc;
	phandle_t node;
	int dts_value;
	int len;

	sc = device_get_softc(dev);
	sc->dev = dev;

	if ((node = ofw_bus_get_node(sc->dev)) == -1)
		return (ENXIO);

	if ((len = OF_getproplen(node, "device-id")) <= 0)
		return (ENXIO);

	OF_getprop(node, "device-id", &dts_value, len);
	sc->device_id = fdt32_to_cpu(dts_value);

	sc->dma_stop = dma_stop;
	sc->dma_setup = dma_setup;
	sc->dma_request = dma_request;
	sc->channel_configure = channel_configure;
	sc->channel_free = channel_free;

	if (bus_alloc_resources(dev, edma_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	/* Memory interface */
	sc->bst = rman_get_bustag(sc->res[0]);
	sc->bsh = rman_get_bushandle(sc->res[0]);
	sc->bst_tcd = rman_get_bustag(sc->res[1]);
	sc->bsh_tcd = rman_get_bushandle(sc->res[1]);

	/* Setup interrupt handlers */
	if (bus_setup_intr(dev, sc->res[2], INTR_TYPE_BIO | INTR_MPSAFE,
		NULL, edma_transfer_complete_intr, sc, &sc->tc_ih)) {
		device_printf(dev, "Unable to alloc DMA intr resource.\n");
		return (ENXIO);
	}

	if (bus_setup_intr(dev, sc->res[3], INTR_TYPE_BIO | INTR_MPSAFE,
		NULL, edma_err_intr, sc, &sc->err_ih)) {
		device_printf(dev, "Unable to alloc DMA Err intr resource.\n");
		return (ENXIO);
	}

	return (0);
}

开发者ID:coyizumi，项目名称:cs111，代码行数:52，代码来源:vf_edma.c

示例19: pinmux_set

static int
pinmux_set(struct iomuxc_softc *sc)
{
	phandle_t child, parent, root;
	pcell_t iomux_config[MAX_MUX_LEN];
	int len;
	int values;
	int pin;
	int pin_cfg;
	int i;

	root = OF_finddevice("/");
	len = 0;
	parent = root;

	/* Find 'iomux_config' prop in the nodes */
	for (child = OF_child(parent); child != 0; child = OF_peer(child)) {

		/* Find a 'leaf'. Start the search from this node. */
		while (OF_child(child)) {
			parent = child;
			child = OF_child(child);
		}

		if (!fdt_is_enabled(child))
			continue;

		if ((len = OF_getproplen(child, "iomux_config")) > 0) {
			OF_getprop(child, "iomux_config", &iomux_config, len);

			values = len / (sizeof(uint32_t));
			for (i = 0; i < values; i += 2) {
				pin = fdt32_to_cpu(iomux_config[i]);
				pin_cfg = fdt32_to_cpu(iomux_config[i+1]);
#if 0
				device_printf(sc->dev, "Set pin %d to 0x%08x\n",
				    pin, pin_cfg);
#endif
				WRITE4(sc, IOMUXC(pin), pin_cfg);
			}
		}

		if (OF_peer(child) == 0) {
			/* No more siblings. */
			child = parent;
			parent = OF_parent(child);
		}
	}

	return (0);
}

开发者ID:2asoft，项目名称:freebsd，代码行数:51，代码来源:vf_iomuxc.c

示例20: consinit

/*
 * This function replaces sys/dev/cninit.c
 * Determine which device is the console using
 * the PROM "input source" and "output sink".
 */
void
consinit()
{
	register int chosen;
	char buffer[128];
	extern int stdinnode, fbnode;
	char *consname = "unknown";
	
	DBPRINT(("consinit()\r\n"));
	if (cn_tab != &consdev_prom) return;
	
	DBPRINT(("setting up stdin\r\n"));
	chosen = OF_finddevice("/chosen");
	OF_getprop(chosen, "stdin",  &stdin, sizeof(stdin));
	DBPRINT(("stdin instance = %x\r\n", stdin));
	
	if ((stdinnode = OF_instance_to_package(stdin)) == 0) {
		printf("WARNING: no PROM stdin\n");
	}
#if NUKBD > 0
	else {
		if (OF_getprop(stdinnode, "compatible", buffer,
		    sizeof(buffer)) != -1 && strncmp("usb", buffer, 3) == 0)
			ukbd_cnattach();
	}
#endif

	DBPRINT(("setting up stdout\r\n"));
	OF_getprop(chosen, "stdout", &stdout, sizeof(stdout));
	
	DBPRINT(("stdout instance = %x\r\n", stdout));
	
	if ((fbnode = OF_instance_to_package(stdout)) == 0)
		printf("WARNING: no PROM stdout\n");
	
	DBPRINT(("stdout package = %x\r\n", fbnode));
	
	if (stdinnode && (OF_getproplen(stdinnode,"keyboard") >= 0)) {
		consname = "keyboard/display";
	} else if (fbnode && 
		   (OF_instance_to_path(stdin, buffer, sizeof(buffer)) >= 0)) {
		consname = buffer;
	}
	printf("console is %s\n", consname);
 
	/* Initialize PROM console */
	(*cn_tab->cn_probe)(cn_tab);
	(*cn_tab->cn_init)(cn_tab);
}

开发者ID:repos-holder，项目名称:openbsd-patches，代码行数:54，代码来源:consinit.c

注：本文中的OF_getproplen函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ OF_getproplen函数代码示例

示例1: parse_dts

示例2: ksz9021_load_values

示例3: parse_dts

示例4: ofw_init

示例5: ofw_bus_is_compatible

示例6: opaldev_probe

示例7: ofw_pci_nranges

示例8: ofw_get_console_phandle_path

示例9: com_ebus_match

示例10: get_panel_info

示例11: vbus_intr_map

示例12: vt_efb_probe

示例13: ti_scm_padconf_init_from_fdt

示例14: ksz90x1_load_values

示例15: twl_probe

示例16: psci_v0_1_init

示例17: rk30_gpio_init

示例18: edma_attach

示例19: pinmux_set

示例20: consinit

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