/* * Definition of platform feature hooks for PowerMacs * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1998 Paul Mackerras & * Ben. Herrenschmidt. * * * Note: I removed media-bay details from the feature stuff, I believe it's * not worth it, the media-bay driver can directly use the mac-io * ASIC registers. * * Implementation note: Currently, none of these functions will block. * However, they may internally protect themselves with a spinlock * for way too long. Be prepared for at least some of these to block * in the future. * * Unless specifically defined, the result code is assumed to be an * error when negative, 0 is the default success result. Some functions * may return additional positive result values. * * To keep implementation simple, all feature calls are assumed to have * the prototype parameters (struct device_node* node, int value). * When either is not used, pass 0. */ #ifdef __KERNEL__ #ifndef __PPC_ASM_PMAC_FEATURE_H #define __PPC_ASM_PMAC_FEATURE_H #include <asm/macio.h> #include <asm/machdep.h> /* * Known Mac motherboard models * * Please, report any error here to benh@kernel.crashing.org, thanks ! * * Note that I don't fully maintain this list for Core99 & MacRISC2 * and I'm considering removing all NewWorld entries from it and * entirely rely on the model string. */ /* PowerSurge are the first generation of PCI Pmacs. This include * all of the Grand-Central based machines. We currently don't * differenciate most of them. */ #define PMAC_TYPE_PSURGE 0x10 /* PowerSurge */ #define PMAC_TYPE_ANS 0x11 /* Apple Network Server */ /* Here is the infamous serie of OHare based machines */ #define PMAC_TYPE_COMET 0x20 /* Beleived to be PowerBook 2400 */ #define PMAC_TYPE_HOOPER 0x21 /* Beleived to be PowerBook 3400 */ #define PMAC_TYPE_KANGA 0x22 /* PowerBook 3500 (first G3) */ #define PMAC_TYPE_ALCHEMY 0x23 /* Alchemy motherboard base */ #define PMAC_TYPE_GAZELLE 0x24 /* Spartacus, some 5xxx/6xxx */ #define PMAC_TYPE_UNKNOWN_OHARE 0x2f /* Unknown, but OHare based */ /* Here are the Heathrow based machines * FIXME: Differenciate wallstreet,mainstreet,wallstreetII */ #define PMAC_TYPE_GOSSAMER 0x30 /* Gossamer motherboard */ #define PMAC_TYPE_SILK 0x31 /* Desktop PowerMac G3 */ #define PMAC_TYPE_WALLSTREET 0x32 /* Wallstreet/Mainstreet PowerBook*/ #define PMAC_TYPE_UNKNOWN_HEATHROW 0x3f /* Unknown but heathrow based */ /* Here are newworld machines based on Paddington (heathrow derivative) */ #define PMAC_TYPE_101_PBOOK 0x40 /* 101 PowerBook (aka Lombard) */ #define PMAC_TYPE_ORIG_IMAC 0x41 /* First generation iMac */ #define PMAC_TYPE_YOSEMITE 0x42 /* B&W G3 */ #define PMAC_TYPE_YIKES 0x43 /* Yikes G4 (PCI graphics) */ #define PMAC_TYPE_UNKNOWN_PADDINGTON 0x4f /* Unknown but paddington based */ /* Core99 machines based on UniNorth 1.0 and 1.5 * * Note: A single entry here may cover several actual models according * to the device-tree. (Sawtooth is most tower G4s, FW_IMAC is most * FireWire based iMacs, etc...). Those machines are too similar to be * distinguished here, when they need to be differencied, use the * device-tree "model" or "compatible" property. */ #define PMAC_TYPE_ORIG_IBOOK 0x40 /* First iBook model (no firewire) */ #define PMAC_TYPE_SAWTOOTH 0x41 /* Desktop G4s */ #define PMAC_TYPE_FW_IMAC 0x42 /* FireWire iMacs (except Pangea based) */ #define PMAC_TYPE_FW_IBOOK 0x43 /* FireWire iBooks (except iBook2) */ #define PMAC_TYPE_CUBE 0x44 /* Cube PowerMac */ #define PMAC_TYPE_QUICKSILVER 0x45 /* QuickSilver G4s */ #define PMAC_TYPE_PISMO 0x46 /* Pismo PowerBook */ #define PMAC_TYPE_TITANIUM 0x47 /* Titanium PowerBook */ #define PMAC_TYPE_TITANIUM2 0x48 /* Titanium II PowerBook (no L3, M6) */ #define PMAC_TYPE_TITANIUM3 0x49 /* Titanium III PowerBook (with L3 & M7) */ #define PMAC_TYPE_TITANIUM4 0x50 /* Titanium IV PowerBook (with L3 & M9) */ #define PMAC_TYPE_EMAC 0x50 /* eMac */ #define PMAC_TYPE_UNKNOWN_CORE99 0x5f /* MacRisc2 with UniNorth 2.0 */ #define PMAC_TYPE_RACKMAC 0x80 /* XServe */ #define PMAC_TYPE_WINDTUNNEL 0x81 /* MacRISC2 machines based on the Pangea chipset */ #define PMAC_TYPE_PANGEA_IMAC 0x100 /* Flower Power iMac */ #define PMAC_TYPE_IBOOK2 0x101 /* iBook2 (polycarbonate) */ #define PMAC_TYPE_FLAT_PANEL_IMAC 0x102 /* Flat panel iMac */ #define PMAC_TYPE_UNKNOWN_PANGEA 0x10f /* MacRISC2 machines based on the Intrepid chipset */ #define PMAC_TYPE_UNKNOWN_INTREPID 0x11f /* Generic */ /* MacRISC4 / G5 machines. We don't have per-machine selection here anymore, * but rather machine families */ #define PMAC_TYPE_POWERMAC_G5 0x150 /* U3 & U3H based */ #define PMAC_TYPE_POWERMAC_G5_U3L 0x151 /* U3L based desktop */ #define PMAC_TYPE_IMAC_G5 0x152 /* iMac G5 */ #define PMAC_TYPE_XSERVE_G5 0x153 /* Xserve G5 */ #define PMAC_TYPE_UNKNOWN_K2 0x19f /* Any other K2 based */ #define PMAC_TYPE_UNKNOWN_SHASTA 0x19e /* Any other Shasta based */ /* * Motherboard flags */ #define PMAC_MB_CAN_SLEEP 0x00000001 #define PMAC_MB_HAS_FW_POWER 0x00000002 #define PMAC_MB_OLD_CORE99 0x00000004 #define PMAC_MB_MOBILE 0x00000008 #define PMAC_MB_MAY_SLEEP 0x00000010 /* * Feature calls supported on pmac * */ /* * Use this inline wrapper */ struct device_node; static inline long pmac_call_feature(int selector, struct device_node* node, long param, long value) { if (!ppc_md.feature_call) return -ENODEV; return ppc_md.feature_call(selector, node, param, value); } /* PMAC_FTR_SERIAL_ENABLE (struct device_node* node, int param, int value) * enable/disable an SCC side. Pass the node corresponding to the * channel side as a parameter. * param is the type of port * if param is ored with PMAC_SCC_FLAG_XMON, then the SCC is locked enabled * for use by xmon. */ #define PMAC_FTR_SCC_ENABLE PMAC_FTR_DEF(0) #define PMAC_SCC_ASYNC 0 #define PMAC_SCC_IRDA 1 #define PMAC_SCC_I2S1 2 #define PMAC_SCC_FLAG_XMON 0x00001000 /* PMAC_FTR_MODEM_ENABLE (struct device_node* node, 0, int value) * enable/disable the internal modem. */ #define PMAC_FTR_MODEM_ENABLE PMAC_FTR_DEF(1) /* PMAC_FTR_SWIM3_ENABLE (struct device_node* node, 0,int value) * enable/disable the swim3 (floppy) cell of a mac-io ASIC */ #define PMAC_FTR_SWIM3_ENABLE PMAC_FTR_DEF(2) /* PMAC_FTR_MESH_ENABLE (struct device_node* node, 0, int value) * enable/disable the mesh (scsi) cell of a mac-io ASIC */ #define PMAC_FTR_MESH_ENABLE PMAC_FTR_DEF(3) /* PMAC_FTR_IDE_ENABLE (struct device_node* node, int busID, int value) * enable/disable an IDE port of a mac-io ASIC * pass the busID parameter */ #define PMAC_FTR_IDE_ENABLE PMAC_FTR_DEF(4) /* PMAC_FTR_IDE_RESET (struct device_node* node, int busID, int value) * assert(1)/release(0) an IDE reset line (mac-io IDE only) */ #define PMAC_FTR_IDE_RESET PMAC_FTR_DEF(5) /* PMAC_FTR_BMAC_ENABLE (struct device_node* node, 0, int value) * enable/disable the bmac (ethernet) cell of a mac-io ASIC, also drive * it's reset line */ #define PMAC_FTR_BMAC_ENABLE PMAC_FTR_DEF(6) /* PMAC_FTR_GMAC_ENABLE (struct device_node* node, 0, int value) * enable/disable the gmac (ethernet) cell of an uninorth ASIC. This * control the cell's clock. */ #define PMAC_FTR_GMAC_ENABLE PMAC_FTR_DEF(7) /* PMAC_FTR_GMAC_PHY_RESET (struct device_node* node, 0, 0) * Perform a HW reset of the PHY connected to a gmac controller. * Pass the gmac device node, not the PHY node. */ #define PMAC_FTR_GMAC_PHY_RESET PMAC_FTR_DEF(8) /* PMAC_FTR_SOUND_CHIP_ENABLE (struct device_node* node, 0, int value) * enable/disable the sound chip, whatever it is and provided it can * acually be controlled */ #define PMAC_FTR_SOUND_CHIP_ENABLE PMAC_FTR_DEF(9) /* -- add various tweaks related to sound routing -- */ /* PMAC_FTR_AIRPORT_ENABLE (struct device_node* node, 0, int value) * enable/disable the airport card */ #define PMAC_FTR_AIRPORT_ENABLE PMAC_FTR_DEF(10) /* PMAC_FTR_RESET_CPU (NULL, int cpu_nr, 0) * toggle the reset line of a CPU on an uninorth-based SMP machine */ #define PMAC_FTR_RESET_CPU PMAC_FTR_DEF(11) /* PMAC_FTR_USB_ENABLE (struct device_node* node, 0, int value) * enable/disable an USB cell, along with the power of the USB "pad" * on keylargo based machines */ #define PMAC_FTR_USB_ENABLE PMAC_FTR_DEF(12) /* PMAC_FTR_1394_ENABLE (struct device_node* node, 0, int value) * enable/disable the firewire cell of an uninorth ASIC. */ #define PMAC_FTR_1394_ENABLE PMAC_FTR_DEF(13) /* PMAC_FTR_1394_CABLE_POWER (struct device_node* node, 0, int value) * enable/disable the firewire cable power supply of the uninorth * firewire cell */ #define PMAC_FTR_1394_CABLE_POWER PMAC_FTR_DEF(14) /* PMAC_FTR_SLEEP_STATE (struct device_node* node, 0, int value) * set the sleep state of the motherboard. * * Pass -1 as value to query for sleep capability * Pass 1 to set IOs to sleep * Pass 0 to set IOs to wake */ #define PMAC_FTR_SLEEP_STATE PMAC_FTR_DEF(15) /* PMAC_FTR_GET_MB_INFO (NULL, selector, 0) * * returns some motherboard infos. * selector: 0 - model id * 1 - model flags (capabilities) * 2 - model name (cast to const char *) */ #define PMAC_FTR_GET_MB_INFO PMAC_FTR_DEF(16) #define PMAC_MB_INFO_MODEL 0 #define PMAC_MB_INFO_FLAGS 1 #define PMAC_MB_INFO_NAME 2 /* PMAC_FTR_READ_GPIO (NULL, int index, 0) * * read a GPIO from a mac-io controller of type KeyLargo or Pangea. * the value returned is a byte (positive), or a negative error code */ #define PMAC_FTR_READ_GPIO PMAC_FTR_DEF(17) /* PMAC_FTR_WRITE_GPIO (NULL, int index, int value) * * write a GPIO of a mac-io controller of type KeyLargo or Pangea. */ #define PMAC_FTR_WRITE_GPIO PMAC_FTR_DEF(18) /* PMAC_FTR_ENABLE_MPIC * * Enable the MPIC cell */ #define PMAC_FTR_ENABLE_MPIC PMAC_FTR_DEF(19) /* PMAC_FTR_AACK_DELAY_ENABLE (NULL, int enable, 0) * * Enable/disable the AACK delay on the northbridge for systems using DFS */ #define PMAC_FTR_AACK_DELAY_ENABLE PMAC_FTR_DEF(20) /* PMAC_FTR_DEVICE_CAN_WAKE * * Used by video drivers to inform system that they can actually perform * wakeup from sleep */ #define PMAC_FTR_DEVICE_CAN_WAKE PMAC_FTR_DEF(22) /* Don't use those directly, they are for the sake of pmac_setup.c */ extern long pmac_do_feature_call(unsigned int selector, ...); extern void pmac_feature_init(void); /* Video suspend tweak */ extern void pmac_set_early_video_resume(void (*proc)(void *data), void *data); extern void pmac_call_early_video_resume(void); #define PMAC_FTR_DEF(x) ((0x6660000) | (x)) /* The AGP driver registers itself here */ extern void pmac_register_agp_pm(struct pci_dev *bridge, int (*suspend)(struct pci_dev *bridge), int (*resume)(struct pci_dev *bridge)); /* Those are meant to be used by video drivers to deal with AGP * suspend resume properly */ extern void pmac_suspend_agp_for_card(struct pci_dev *dev); extern void pmac_resume_agp_for_card(struct pci_dev *dev); /* * The part below is for use by macio_asic.c only, do not rely * on the data structures or constants below in a normal driver * */ #define MAX_MACIO_CHIPS 2 enum { macio_unknown = 0, macio_grand_central, macio_ohare, macio_ohareII, macio_heathrow, macio_gatwick, macio_paddington, macio_keylargo, macio_pangea, macio_intrepid, macio_keylargo2, macio_shasta, }; struct macio_chip { struct device_node *of_node; int type; const char *name; int rev; volatile u32 __iomem *base; unsigned long flags; /* For use by macio_asic PCI driver */ struct macio_bus lbus; }; extern struct macio_chip macio_chips[MAX_MACIO_CHIPS]; #define MACIO_FLAG_SCCA_ON 0x00000001 #define MACIO_FLAG_SCCB_ON 0x00000002 #define MACIO_FLAG_SCC_LOCKED 0x00000004 #define MACIO_FLAG_AIRPORT_ON 0x00000010 #define MACIO_FLAG_FW_SUPPORTED 0x00000020 extern struct macio_chip* macio_find(struct device_node* child, int type); #define MACIO_FCR32(macio, r) ((macio)->base + ((r) >> 2)) #define MACIO_FCR8(macio, r) (((volatile u8 __iomem *)((macio)->base)) + (r)) #define MACIO_IN32(r) (in_le32(MACIO_FCR32(macio,r))) #define MACIO_OUT32(r,v) (out_le32(MACIO_FCR32(macio,r), (v))) #define MACIO_BIS(r,v) (MACIO_OUT32((r), MACIO_IN32(r) | (v))) #define MACIO_BIC(r,v) (MACIO_OUT32((r), MACIO_IN32(r) & ~(v))) #define MACIO_IN8(r) (in_8(MACIO_FCR8(macio,r))) #define MACIO_OUT8(r,v) (out_8(MACIO_FCR8(macio,r), (v))) /* * Those are exported by pmac feature for internal use by arch code * only like the platform function callbacks, do not use directly in drivers */ extern spinlock_t feature_lock; extern struct device_node *uninorth_node; extern u32 __iomem *uninorth_base; /* * Uninorth reg. access. Note that Uni-N regs are big endian */ #define UN_REG(r) (uninorth_base + ((r) >> 2)) #define UN_IN(r) (in_be32(UN_REG(r))) #define UN_OUT(r,v) (out_be32(UN_REG(r), (v))) #define UN_BIS(r,v) (UN_OUT((r), UN_IN(r) | (v))) #define UN_BIC(r,v) (UN_OUT((r), UN_IN(r) & ~(v))) #endif /* __PPC_ASM_PMAC_FEATURE_H */ #endif /* __KERNEL__ */