C++ (Cpp) ppb_get_mode Examples

Example #1

/*
 * Device mode to submsq conversion
 */
static struct ppb_xfer *
mode2xfer(device_t bus, struct ppb_device *ppbdev, int opcode)
{
	int index, epp, mode;
	struct ppb_xfer *table;

	switch (opcode) {
	case MS_OP_GET:
		table = ppbdev->get_xfer;
		break;

	case MS_OP_PUT:
		table = ppbdev->put_xfer;
		break;

	default:
		panic("%s: unknown opcode (%d)", __func__, opcode);
	}

	/* retrieve the device operating mode */
	mode = ppb_get_mode(bus);
	switch (mode) {
	case PPB_COMPATIBLE:
		index = COMPAT_MSQ;
		break;
	case PPB_NIBBLE:
		index = NIBBLE_MSQ;
		break;
	case PPB_PS2:
		index = PS2_MSQ;
		break;
	case PPB_EPP:
		switch ((epp = ppb_get_epp_protocol(bus))) {
		case EPP_1_7:
			index = EPP17_MSQ;
			break;
		case EPP_1_9:
			index = EPP19_MSQ;
			break;
		default:
			panic("%s: unknown EPP protocol (0x%x)!", __func__,
				epp);
		}
		break;
	case PPB_ECP:
		index = ECP_MSQ;
		break;
	default:
		panic("%s: unknown mode (%d)", __func__, mode);
	}

	return (&table[index]);
}

Example #2

File: ppb_base.c Project: ele7enxxh/dtrace-pf

/*
 * ppb_set_mode()
 *
 * Set the operating mode of the chipset, return the previous mode
 */
int
ppb_set_mode(device_t bus, int mode)
{
	struct ppb_data *ppb = DEVTOSOFTC(bus);
	int old_mode = ppb_get_mode(bus);

	ppb_assert_locked(bus);
	if (PPBUS_SETMODE(device_get_parent(bus), mode))
		return (-1);

	/* XXX yet device mode = ppbus mode = chipset mode */
	ppb->mode = (mode & PPB_MASK);

	return (old_mode);
}