feature.c

linux内核源码

	{ PMAC_FTR_SCC_ENABLE,		core99_scc_enable },
	{ PMAC_FTR_MODEM_ENABLE,	core99_modem_enable },
	{ PMAC_FTR_IDE_ENABLE,		core99_ide_enable },
	{ PMAC_FTR_IDE_RESET,		core99_ide_reset },
	{ PMAC_FTR_GMAC_ENABLE,		core99_gmac_enable },
	{ PMAC_FTR_GMAC_PHY_RESET,	core99_gmac_phy_reset },
	{ PMAC_FTR_SOUND_CHIP_ENABLE,	core99_sound_chip_enable },
	{ PMAC_FTR_AIRPORT_ENABLE,	core99_airport_enable },
	{ PMAC_FTR_USB_ENABLE,		core99_usb_enable },
	{ PMAC_FTR_1394_ENABLE,		core99_firewire_enable },
	{ PMAC_FTR_1394_CABLE_POWER,	core99_firewire_cable_power },
#ifdef CONFIG_PM
	{ PMAC_FTR_SLEEP_STATE,		core99_sleep_state },
#endif
#ifdef CONFIG_SMP
	{ PMAC_FTR_RESET_CPU,		core99_reset_cpu },
#endif /* CONFIG_SMP */
	{ PMAC_FTR_READ_GPIO,		core99_read_gpio },
	{ PMAC_FTR_WRITE_GPIO,		core99_write_gpio },
	{ 0, NULL }
};

/* RackMac
 */
static struct feature_table_entry rackmac_features[] = {
	{ PMAC_FTR_SCC_ENABLE,		core99_scc_enable },
	{ PMAC_FTR_IDE_ENABLE,		core99_ide_enable },
	{ PMAC_FTR_IDE_RESET,		core99_ide_reset },
	{ PMAC_FTR_GMAC_ENABLE,		core99_gmac_enable },
	{ PMAC_FTR_GMAC_PHY_RESET,	core99_gmac_phy_reset },
	{ PMAC_FTR_USB_ENABLE,		core99_usb_enable },
	{ PMAC_FTR_1394_ENABLE,		core99_firewire_enable },
	{ PMAC_FTR_1394_CABLE_POWER,	core99_firewire_cable_power },
	{ PMAC_FTR_SLEEP_STATE,		core99_sleep_state },
#ifdef CONFIG_SMP
	{ PMAC_FTR_RESET_CPU,		core99_reset_cpu },
#endif /* CONFIG_SMP */
	{ PMAC_FTR_READ_GPIO,		core99_read_gpio },
	{ PMAC_FTR_WRITE_GPIO,		core99_write_gpio },
	{ 0, NULL }
};

/* Pangea features
 */
static struct feature_table_entry pangea_features[] = {
	{ PMAC_FTR_SCC_ENABLE,		core99_scc_enable },
	{ PMAC_FTR_MODEM_ENABLE,	pangea_modem_enable },
	{ PMAC_FTR_IDE_ENABLE,		core99_ide_enable },
	{ PMAC_FTR_IDE_RESET,		core99_ide_reset },
	{ PMAC_FTR_GMAC_ENABLE,		core99_gmac_enable },
	{ PMAC_FTR_GMAC_PHY_RESET,	core99_gmac_phy_reset },
	{ PMAC_FTR_SOUND_CHIP_ENABLE,	core99_sound_chip_enable },
	{ PMAC_FTR_AIRPORT_ENABLE,	core99_airport_enable },
	{ PMAC_FTR_USB_ENABLE,		core99_usb_enable },
	{ PMAC_FTR_1394_ENABLE,		core99_firewire_enable },
	{ PMAC_FTR_1394_CABLE_POWER,	core99_firewire_cable_power },
	{ PMAC_FTR_SLEEP_STATE,		core99_sleep_state },
	{ PMAC_FTR_READ_GPIO,		core99_read_gpio },
	{ PMAC_FTR_WRITE_GPIO,		core99_write_gpio },
	{ 0, NULL }
};

/* Intrepid features
 */
static struct feature_table_entry intrepid_features[] = {
	{ PMAC_FTR_SCC_ENABLE,		core99_scc_enable },
	{ PMAC_FTR_MODEM_ENABLE,	pangea_modem_enable },
	{ PMAC_FTR_IDE_ENABLE,		core99_ide_enable },
	{ PMAC_FTR_IDE_RESET,		core99_ide_reset },
	{ PMAC_FTR_GMAC_ENABLE,		core99_gmac_enable },
	{ PMAC_FTR_GMAC_PHY_RESET,	core99_gmac_phy_reset },
	{ PMAC_FTR_SOUND_CHIP_ENABLE,	core99_sound_chip_enable },
	{ PMAC_FTR_AIRPORT_ENABLE,	core99_airport_enable },
	{ PMAC_FTR_USB_ENABLE,		core99_usb_enable },
	{ PMAC_FTR_1394_ENABLE,		core99_firewire_enable },
	{ PMAC_FTR_1394_CABLE_POWER,	core99_firewire_cable_power },
	{ PMAC_FTR_SLEEP_STATE,		core99_sleep_state },
	{ PMAC_FTR_READ_GPIO,		core99_read_gpio },
	{ PMAC_FTR_WRITE_GPIO,		core99_write_gpio },
	{ PMAC_FTR_AACK_DELAY_ENABLE,	intrepid_aack_delay_enable },
	{ 0, NULL }
};

#else /* CONFIG_POWER4 */

/* G5 features
 */
static struct feature_table_entry g5_features[] = {
	{ PMAC_FTR_GMAC_ENABLE,		g5_gmac_enable },
	{ PMAC_FTR_1394_ENABLE,		g5_fw_enable },
	{ PMAC_FTR_ENABLE_MPIC,		g5_mpic_enable },
	{ PMAC_FTR_GMAC_PHY_RESET,	g5_eth_phy_reset },
	{ PMAC_FTR_SOUND_CHIP_ENABLE,	g5_i2s_enable },
#ifdef CONFIG_SMP
	{ PMAC_FTR_RESET_CPU,		g5_reset_cpu },
#endif /* CONFIG_SMP */
	{ PMAC_FTR_READ_GPIO,		core99_read_gpio },
	{ PMAC_FTR_WRITE_GPIO,		core99_write_gpio },
	{ 0, NULL }
};

#endif /* CONFIG_POWER4 */

static struct pmac_mb_def pmac_mb_defs[] = {
#ifndef CONFIG_POWER4
	/*
	 * Desktops
	 */

	{	"AAPL,8500",			"PowerMac 8500/8600",
		PMAC_TYPE_PSURGE,		NULL,
		0
	},
	{	"AAPL,9500",			"PowerMac 9500/9600",
		PMAC_TYPE_PSURGE,		NULL,
		0
	},
	{	"AAPL,7200",			"PowerMac 7200",
		PMAC_TYPE_PSURGE,		NULL,
		0
	},
	{	"AAPL,7300",			"PowerMac 7200/7300",
		PMAC_TYPE_PSURGE,		NULL,
		0
	},
	{	"AAPL,7500",			"PowerMac 7500",
		PMAC_TYPE_PSURGE,		NULL,
		0
	},
	{	"AAPL,ShinerESB",		"Apple Network Server",
		PMAC_TYPE_ANS,			NULL,
		0
	},
	{	"AAPL,e407",			"Alchemy",
		PMAC_TYPE_ALCHEMY,		NULL,
		0
	},
	{	"AAPL,e411",			"Gazelle",
		PMAC_TYPE_GAZELLE,		NULL,
		0
	},
	{	"AAPL,Gossamer",		"PowerMac G3 (Gossamer)",
		PMAC_TYPE_GOSSAMER,		heathrow_desktop_features,
		0
	},
	{	"AAPL,PowerMac G3",		"PowerMac G3 (Silk)",
		PMAC_TYPE_SILK,			heathrow_desktop_features,
		0
	},
	{	"PowerMac1,1",			"Blue&White G3",
		PMAC_TYPE_YOSEMITE,		paddington_features,
		0
	},
	{	"PowerMac1,2",			"PowerMac G4 PCI Graphics",
		PMAC_TYPE_YIKES,		paddington_features,
		0
	},
	{	"PowerMac2,1",			"iMac FireWire",
		PMAC_TYPE_FW_IMAC,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
	},
	{	"PowerMac2,2",			"iMac FireWire",
		PMAC_TYPE_FW_IMAC,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
	},
	{	"PowerMac3,1",			"PowerMac G4 AGP Graphics",
		PMAC_TYPE_SAWTOOTH,		core99_features,
		PMAC_MB_OLD_CORE99
	},
	{	"PowerMac3,2",			"PowerMac G4 AGP Graphics",
		PMAC_TYPE_SAWTOOTH,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
	},
	{	"PowerMac3,3",			"PowerMac G4 AGP Graphics",
		PMAC_TYPE_SAWTOOTH,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
	},
	{	"PowerMac3,4",			"PowerMac G4 Silver",
		PMAC_TYPE_QUICKSILVER,		core99_features,
		PMAC_MB_MAY_SLEEP
	},
	{	"PowerMac3,5",			"PowerMac G4 Silver",
		PMAC_TYPE_QUICKSILVER,		core99_features,
		PMAC_MB_MAY_SLEEP
	},
	{	"PowerMac3,6",			"PowerMac G4 Windtunnel",
		PMAC_TYPE_WINDTUNNEL,		core99_features,
		PMAC_MB_MAY_SLEEP,
	},
	{	"PowerMac4,1",			"iMac \"Flower Power\"",
		PMAC_TYPE_PANGEA_IMAC,		pangea_features,
		PMAC_MB_MAY_SLEEP
	},
	{	"PowerMac4,2",			"Flat panel iMac",
		PMAC_TYPE_FLAT_PANEL_IMAC,	pangea_features,
		PMAC_MB_CAN_SLEEP
	},
	{	"PowerMac4,4",			"eMac",
		PMAC_TYPE_EMAC,			core99_features,
		PMAC_MB_MAY_SLEEP
	},
	{	"PowerMac5,1",			"PowerMac G4 Cube",
		PMAC_TYPE_CUBE,			core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99
	},
	{	"PowerMac6,1",			"Flat panel iMac",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP,
	},
	{	"PowerMac6,3",			"Flat panel iMac",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP,
	},
	{	"PowerMac6,4",			"eMac",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP,
	},
	{	"PowerMac10,1",			"Mac mini",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP,
	},
	{	"iMac,1",			"iMac (first generation)",
		PMAC_TYPE_ORIG_IMAC,		paddington_features,
		0
	},

	/*
	 * Xserve's
	 */

	{	"RackMac1,1",			"XServe",
		PMAC_TYPE_RACKMAC,		rackmac_features,
		0,
	},
	{	"RackMac1,2",			"XServe rev. 2",
		PMAC_TYPE_RACKMAC,		rackmac_features,
		0,
	},

	/*
	 * Laptops
	 */

	{	"AAPL,3400/2400",		"PowerBook 3400",
		PMAC_TYPE_HOOPER,		ohare_features,
		PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
	},
	{	"AAPL,3500",			"PowerBook 3500",
		PMAC_TYPE_KANGA,		ohare_features,
		PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
	},
	{	"AAPL,PowerBook1998",		"PowerBook Wallstreet",
		PMAC_TYPE_WALLSTREET,		heathrow_laptop_features,
		PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
	},
	{	"PowerBook1,1",			"PowerBook 101 (Lombard)",
		PMAC_TYPE_101_PBOOK,		paddington_features,
		PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE
	},
	{	"PowerBook2,1",			"iBook (first generation)",
		PMAC_TYPE_ORIG_IBOOK,		core99_features,
		PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
	},
	{	"PowerBook2,2",			"iBook FireWire",
		PMAC_TYPE_FW_IBOOK,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
		PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
	},
	{	"PowerBook3,1",			"PowerBook Pismo",
		PMAC_TYPE_PISMO,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER |
		PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE
	},
	{	"PowerBook3,2",			"PowerBook Titanium",
		PMAC_TYPE_TITANIUM,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook3,3",			"PowerBook Titanium II",
		PMAC_TYPE_TITANIUM2,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook3,4",			"PowerBook Titanium III",
		PMAC_TYPE_TITANIUM3,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook3,5",			"PowerBook Titanium IV",
		PMAC_TYPE_TITANIUM4,		core99_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook4,1",			"iBook 2",
		PMAC_TYPE_IBOOK2,		pangea_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook4,2",			"iBook 2",
		PMAC_TYPE_IBOOK2,		pangea_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook4,3",			"iBook 2 rev. 2",
		PMAC_TYPE_IBOOK2,		pangea_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE
	},
	{	"PowerBook5,1",			"PowerBook G4 17\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,2",			"PowerBook G4 15\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,3",			"PowerBook G4 17\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,4",			"PowerBook G4 15\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,5",			"PowerBook G4 17\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,6",			"PowerBook G4 15\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,7",			"PowerBook G4 17\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,8",			"PowerBook G4 15\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP  | PMAC_MB_MOBILE,
	},
	{	"PowerBook5,9",			"PowerBook G4 17\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,1",			"PowerBook G4 12\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,2",			"PowerBook G4",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,3",			"iBook G4",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,4",			"PowerBook G4 12\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,5",			"iBook G4",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,7",			"iBook G4",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
	{	"PowerBook6,8",			"PowerBook G4 12\"",
		PMAC_TYPE_UNKNOWN_INTREPID,	intrepid_features,
		PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE,
	},
#else /* CONFIG_POWER4 */
	{	"PowerMac7,2",			"PowerMac G5",
		PMAC_TYPE_POWERMAC_G5,		g5_features,
		0,
	},
#ifdef CONFIG_PPC64
	{	"PowerMac7,3",			"PowerMac G5",
		PMAC_TYPE_POWERMAC_G5,		g5_features,
		0,
	},
	{	"PowerMac8,1",			"iMac G5",
		PMAC_TYPE_IMAC_G5,		g5_features,
		0,
	},
	{	"PowerMac9,1",			"PowerMac G5",
		PMAC_TYPE_POWERMAC_G5_U3L,	g5_features,
		0,
	},
	{	"PowerMac11,2",			"PowerMac G5 Dual Core",
		PMAC_TYPE_POWERMAC_G5_U3L,	g5_features,
		0,
	},
	{	"PowerMac12,1",			"iMac G5 (iSight)",
		PMAC_TYPE_POWERMAC_G5_U3L,	g5_features,
		0,
	},
	{       "RackMac3,1",                   "XServe G5",
		PMAC_TYPE_XSERVE_G5,		g5_features,
		0,
	},
#endif /* CONFIG_PPC64 */
#endif /* CONFIG_POWER4 */
};

/*
 * The toplevel feature_call callback
 */
long pmac_do_feature_call(unsigned int selector, ...)
{
	struct device_node *node;
	long param, value;
	int i;
	feature_call func = NULL;
	va_list args;

	if (pmac_mb.features)
		for (i=0; pmac_mb.features[i].function; i++)
			if (pmac_mb.features[i].selector == selector) {
				func = pmac_mb.features[i].function;
				break;
			}
	if (!func)
		for (i=0; any_features[i].function; i++)
			if (any_features[i].selector == selector) {
				func = any_features[i].function;
				break;
			}
	if (!func)
		return -ENODEV;

	va_start(args, selector);
	node = (struct device_node*)va_arg(args, void*);
	param = va_arg(args, long);
	value = va_arg(args, long);
	va_end(args);

	return func(node, param, value);
}

static int __init probe_motherboard(void)
{
	int i;
	struct macio_chip *macio = &macio_chips[0];
	const char *model = NULL;
	struct device_node *dt;
	int ret = 0;

	/* Lookup known motherboard type in device-tree. First try an
	 * exact match on the "model" property, then try a "compatible"
	 * match is none is found.
	 */
	dt = of_find_node_by_name(NULL, "device-tree");
	if (dt != NULL)
		model = of_get_property(dt, "model", NULL);
	for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
	    if (strcmp(model, pmac_mb_defs[i].model_string) == 0) {
		pmac_mb = pmac_mb_defs[i];
		goto found;
	    }
	}
	for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
	    if (machine_is_compatible(pmac_mb_defs[i].model_string)) {
		pmac_mb = pmac_mb_defs[i];
		goto found;
	    }
	}

	/* Fallback to selection depending on mac-io chip type */
	switch(macio->type) {
#ifndef CONFIG_POWER4
	    case macio_grand_central:
		pmac_mb.model_id = PMAC_TYPE_PSURGE;
		pmac_mb.model_name = "Unknown PowerSurge";
		break;
	    case macio_ohare:
		pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE;
		pmac_mb.model_name = "Unknown OHare-based";
		break;
	    case macio_heathrow:
		pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW;
		pmac_mb.model_name = "Unknown Heathrow-based";
		pmac_mb.features = heathrow_desktop_features;
		break;
	    case macio_paddington:
		pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON;
		pmac_mb.model_name = "Unknown Paddington-based";
		pmac_mb.features = paddington_features;
		break;
	    case macio_keylargo:
		pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99;
		pmac_mb.model_name = "Unknown Keylargo-based";
		pmac_mb.features = core99_features;
		break;
	    case macio_pangea:
		pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA;
		pmac_mb.model_name = "Unknown Pangea-based";
		pmac_mb.features = pa