C++ (Cpp) scx200_cb_present Examples

Example #1

static int __init init_hrt_clocksource(void)
{
	
	if (!scx200_cb_present())
		return -ENODEV;

	
	if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET,
			    SCx200_TIMER_SIZE,
			    "NatSemi SCx200 High-Resolution Timer")) {
		printk(KERN_WARNING NAME ": unable to lock timer region\n");
		return -ENODEV;
	}

	
	outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0),
	     scx200_cb_base + SCx200_TMCNFG_OFFSET);

	if (mhz27) {
		cs_hrt.shift = HRT_SHIFT_27;
		cs_hrt.mult = clocksource_hz2mult((HRT_FREQ + ppm) * 27,
						  cs_hrt.shift);
	} else {
		cs_hrt.shift = HRT_SHIFT_1;
		cs_hrt.mult = clocksource_hz2mult(HRT_FREQ + ppm,
						  cs_hrt.shift);
	}
	printk(KERN_INFO "enabling scx200 high-res timer (%s MHz +%d ppm)\n",
		mhz27 ? "27":"1", ppm);

	return clocksource_register(&cs_hrt);
}

Example #2

File: scx200_hrt.c Project: rrowicki/Chrono_Kernel-1

static int __init init_hrt_clocksource(void)
{
	/* Make sure scx200 has initialized the configuration block */
	if (!scx200_cb_present())
		return -ENODEV;

	/* Reserve the timer's ISA io-region for ourselves */
	if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET,
			    SCx200_TIMER_SIZE,
			    "NatSemi SCx200 High-Resolution Timer")) {
;
		return -ENODEV;
	}

	/* write timer config */
	outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0),
	     scx200_cb_base + SCx200_TMCNFG_OFFSET);

	if (mhz27) {
		cs_hrt.shift = HRT_SHIFT_27;
		cs_hrt.mult = clocksource_hz2mult((HRT_FREQ + ppm) * 27,
						  cs_hrt.shift);
	} else {
		cs_hrt.shift = HRT_SHIFT_1;
		cs_hrt.mult = clocksource_hz2mult(HRT_FREQ + ppm,
						  cs_hrt.shift);
	}
//	printk(KERN_INFO "enabling scx200 high-res timer (%s MHz +%d ppm)\n",
;

	return clocksource_register(&cs_hrt);
}

Example #3

File: scx200_hrt.c Project: DirtyDroidX/android_kernel_htc_m8ul

static int __init init_hrt_clocksource(void)
{
	u32 freq;
	
	if (!scx200_cb_present())
		return -ENODEV;

	
	if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET,
			    SCx200_TIMER_SIZE,
			    "NatSemi SCx200 High-Resolution Timer")) {
		pr_warn("unable to lock timer region\n");
		return -ENODEV;
	}

	
	outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0),
	     scx200_cb_base + SCx200_TMCNFG_OFFSET);

	freq = (HRT_FREQ + ppm);
	if (mhz27)
		freq *= 27;

	pr_info("enabling scx200 high-res timer (%s MHz +%d ppm)\n", mhz27 ? "27":"1", ppm);

	return clocksource_register_hz(&cs_hrt, freq);
}

Example #4

File: scx200_docflash.c Project: romanbb/android_kernel_lge_d851

static int __init init_scx200_docflash(void)
{
	unsigned u;
	unsigned base;
	unsigned ctrl;
	unsigned pmr;
	struct pci_dev *bridge;

	printk(KERN_DEBUG NAME ": NatSemi SCx200 DOCCS Flash Driver\n");

	if ((bridge = pci_get_device(PCI_VENDOR_ID_NS,
				      PCI_DEVICE_ID_NS_SCx200_BRIDGE,
				      NULL)) == NULL)
		return -ENODEV;

	/*                                                  */
	if (!scx200_cb_present()) {
		pci_dev_put(bridge);
		return -ENODEV;
	}

	if (probe) {
		/*                                             */
		pci_read_config_dword(bridge, SCx200_DOCCS_BASE, &base);
		pci_read_config_dword(bridge, SCx200_DOCCS_CTRL, &ctrl);
		pci_dev_put(bridge);

		pmr = inl(scx200_cb_base + SCx200_PMR);

		if (base == 0
		    || (ctrl & 0x07000000) != 0x07000000
		    || (ctrl & 0x0007ffff) == 0)
			return -ENODEV;

		size = ((ctrl&0x1fff)<<13) + (1<<13);

		for (u = size; u > 1; u >>= 1)
			;
		if (u != 1)
			return -ENODEV;

		if (pmr & (1<<6))
			width = 16;
		else
			width = 8;

		docmem.start = base;
		docmem.end = base + size;

		if (request_resource(&iomem_resource, &docmem)) {
			printk(KERN_ERR NAME ": unable to allocate memory for flash mapping\n");
			return -ENOMEM;
		}
	} else {