include/linux/ssb/ssb.h - kernel/bruno - Git at Google

 #ifndef LINUX_SSB_H_
 #define LINUX_SSB_H_

 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/pci.h>
 #include <linux/gpio.h>
 #include <linux/mod_devicetable.h>
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>

 #include <linux/ssb/ssb_regs.h>


 struct pcmcia_device;
 struct ssb_bus;
 struct ssb_driver;

 struct ssb_sprom_core_pwr_info {
 	u8 itssi_2g, itssi_5g;
 	u8 maxpwr_2g, maxpwr_5gl, maxpwr_5g, maxpwr_5gh;
 	u16 pa_2g[4], pa_5gl[4], pa_5g[4], pa_5gh[4];
 };

 struct ssb_sprom {
 	u8 revision;
 	u8 il0mac[6] __aligned(sizeof(u16));	/* MAC address for 802.11b/g */
 	u8 et0mac[6] __aligned(sizeof(u16));	/* MAC address for Ethernet */
 	u8 et1mac[6] __aligned(sizeof(u16));	/* MAC address for 802.11a */
 	u8 et2mac[6] __aligned(sizeof(u16));	/* MAC address for extra Ethernet */
 	u8 et0phyaddr;		/* MII address for enet0 */
 	u8 et1phyaddr;		/* MII address for enet1 */
 	u8 et2phyaddr;		/* MII address for enet2 */
 	u8 et0mdcport;		/* MDIO for enet0 */
 	u8 et1mdcport;		/* MDIO for enet1 */
 	u8 et2mdcport;		/* MDIO for enet2 */
 	u16 dev_id;		/* Device ID overriding e.g. PCI ID */
 	u16 board_rev;		/* Board revision number from SPROM. */
 	u16 board_num;		/* Board number from SPROM. */
 	u16 board_type;		/* Board type from SPROM. */
 	u8 country_code;	/* Country Code */
 	char alpha2[2];		/* Country Code as two chars like EU or US */
 	u8 leddc_on_time;	/* LED Powersave Duty Cycle On Count */
 	u8 leddc_off_time;	/* LED Powersave Duty Cycle Off Count */
 	u8 ant_available_a;	/* 2GHz antenna available bits (up to 4) */
 	u8 ant_available_bg;	/* 5GHz antenna available bits (up to 4) */
 	u16 pa0b0;
 	u16 pa0b1;
 	u16 pa0b2;
 	u16 pa1b0;
 	u16 pa1b1;
 	u16 pa1b2;
 	u16 pa1lob0;
 	u16 pa1lob1;
 	u16 pa1lob2;
 	u16 pa1hib0;
 	u16 pa1hib1;
 	u16 pa1hib2;
 	u8 gpio0;		/* GPIO pin 0 */
 	u8 gpio1;		/* GPIO pin 1 */
 	u8 gpio2;		/* GPIO pin 2 */
 	u8 gpio3;		/* GPIO pin 3 */
 	u8 maxpwr_bg;		/* 2.4GHz Amplifier Max Power (in dBm Q5.2) */
 	u8 maxpwr_al;		/* 5.2GHz Amplifier Max Power (in dBm Q5.2) */
 	u8 maxpwr_a;		/* 5.3GHz Amplifier Max Power (in dBm Q5.2) */
 	u8 maxpwr_ah;		/* 5.8GHz Amplifier Max Power (in dBm Q5.2) */
 	u8 itssi_a;		/* Idle TSSI Target for A-PHY */
 	u8 itssi_bg;		/* Idle TSSI Target for B/G-PHY */
 	u8 tri2g;		/* 2.4GHz TX isolation */
 	u8 tri5gl;		/* 5.2GHz TX isolation */
 	u8 tri5g;		/* 5.3GHz TX isolation */
 	u8 tri5gh;		/* 5.8GHz TX isolation */
 	u8 txpid2g[4];		/* 2GHz TX power index */
 	u8 txpid5gl[4];		/* 4.9 - 5.1GHz TX power index */
 	u8 txpid5g[4];		/* 5.1 - 5.5GHz TX power index */
 	u8 txpid5gh[4];		/* 5.5 - ...GHz TX power index */
 	s8 rxpo2g;		/* 2GHz RX power offset */
 	s8 rxpo5g;		/* 5GHz RX power offset */
 	u8 rssisav2g;		/* 2GHz RSSI params */
 	u8 rssismc2g;
 	u8 rssismf2g;
 	u8 bxa2g;		/* 2GHz BX arch */
 	u8 rssisav5g;		/* 5GHz RSSI params */
 	u8 rssismc5g;
 	u8 rssismf5g;
 	u8 bxa5g;		/* 5GHz BX arch */
 	u16 cck2gpo;		/* CCK power offset */
 	u32 ofdm2gpo;		/* 2.4GHz OFDM power offset */
 	u32 ofdm5glpo;		/* 5.2GHz OFDM power offset */
 	u32 ofdm5gpo;		/* 5.3GHz OFDM power offset */
 	u32 ofdm5ghpo;		/* 5.8GHz OFDM power offset */
 	u32 boardflags;
 	u32 boardflags2;
 	u32 boardflags3;
 	/* TODO: Switch all drivers to new u32 fields and drop below ones */
 	u16 boardflags_lo;	/* Board flags (bits 0-15) */
 	u16 boardflags_hi;	/* Board flags (bits 16-31) */
 	u16 boardflags2_lo;	/* Board flags (bits 32-47) */
 	u16 boardflags2_hi;	/* Board flags (bits 48-63) */

 	struct ssb_sprom_core_pwr_info core_pwr_info[4];

 	/* Antenna gain values for up to 4 antennas
 	 * on each band. Values in dBm/4 (Q5.2). Negative gain means the
 	 * loss in the connectors is bigger than the gain. */
 	struct {
 		s8 a0, a1, a2, a3;
 	} antenna_gain;

 	struct {
 		struct {
 			u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
 		} ghz2;
 		struct {
 			u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
 		} ghz5;
 	} fem;

 	u16 mcs2gpo[8];
 	u16 mcs5gpo[8];
 	u16 mcs5glpo[8];
 	u16 mcs5ghpo[8];
 	u8 opo;

 	u8 rxgainerr2ga[3];
 	u8 rxgainerr5gla[3];
 	u8 rxgainerr5gma[3];
 	u8 rxgainerr5gha[3];
 	u8 rxgainerr5gua[3];

 	u8 noiselvl2ga[3];
 	u8 noiselvl5gla[3];
 	u8 noiselvl5gma[3];
 	u8 noiselvl5gha[3];
 	u8 noiselvl5gua[3];

 	u8 regrev;
 	u8 txchain;
 	u8 rxchain;
 	u8 antswitch;
 	u16 cddpo;
 	u16 stbcpo;
 	u16 bw40po;
 	u16 bwduppo;

 	u8 tempthresh;
 	u8 tempoffset;
 	u16 rawtempsense;
 	u8 measpower;
 	u8 tempsense_slope;
 	u8 tempcorrx;
 	u8 tempsense_option;
 	u8 freqoffset_corr;
 	u8 iqcal_swp_dis;
 	u8 hw_iqcal_en;
 	u8 elna2g;
 	u8 elna5g;
 	u8 phycal_tempdelta;
 	u8 temps_period;
 	u8 temps_hysteresis;
 	u8 measpower1;
 	u8 measpower2;
 	u8 pcieingress_war;

 	/* power per rate from sromrev 9 */
 	u16 cckbw202gpo;
 	u16 cckbw20ul2gpo;
 	u32 legofdmbw202gpo;
 	u32 legofdmbw20ul2gpo;
 	u32 legofdmbw205glpo;
 	u32 legofdmbw20ul5glpo;
 	u32 legofdmbw205gmpo;
 	u32 legofdmbw20ul5gmpo;
 	u32 legofdmbw205ghpo;
 	u32 legofdmbw20ul5ghpo;
 	u32 mcsbw202gpo;
 	u32 mcsbw20ul2gpo;
 	u32 mcsbw402gpo;
 	u32 mcsbw205glpo;
 	u32 mcsbw20ul5glpo;
 	u32 mcsbw405glpo;
 	u32 mcsbw205gmpo;
 	u32 mcsbw20ul5gmpo;
 	u32 mcsbw405gmpo;
 	u32 mcsbw205ghpo;
 	u32 mcsbw20ul5ghpo;
 	u32 mcsbw405ghpo;
 	u16 mcs32po;
 	u16 legofdm40duppo;
 	u8 sar2g;
 	u8 sar5g;
 };

 /* Information about the PCB the circuitry is soldered on. */
 struct ssb_boardinfo {
 	u16 vendor;
 	u16 type;
 };


 struct ssb_device;
 /* Lowlevel read/write operations on the device MMIO.
  * Internal, don't use that outside of ssb. */
 struct ssb_bus_ops {
 	u8 (*read8)(struct ssb_device *dev, u16 offset);
 	u16 (*read16)(struct ssb_device *dev, u16 offset);
 	u32 (*read32)(struct ssb_device *dev, u16 offset);
 	void (*write8)(struct ssb_device *dev, u16 offset, u8 value);
 	void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
 	void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
 #ifdef CONFIG_SSB_BLOCKIO
 	void (*block_read)(struct ssb_device *dev, void *buffer,
 			   size_t count, u16 offset, u8 reg_width);
 	void (*block_write)(struct ssb_device *dev, const void *buffer,
 			    size_t count, u16 offset, u8 reg_width);
 #endif
 };


 /* Core-ID values. */
 #define SSB_DEV_CHIPCOMMON	0x800
 #define SSB_DEV_ILINE20		0x801
 #define SSB_DEV_SDRAM		0x803
 #define SSB_DEV_PCI		0x804
 #define SSB_DEV_MIPS		0x805
 #define SSB_DEV_ETHERNET	0x806
 #define SSB_DEV_V90		0x807
 #define SSB_DEV_USB11_HOSTDEV	0x808
 #define SSB_DEV_ADSL		0x809
 #define SSB_DEV_ILINE100	0x80A
 #define SSB_DEV_IPSEC		0x80B
 #define SSB_DEV_PCMCIA		0x80D
 #define SSB_DEV_INTERNAL_MEM	0x80E
 #define SSB_DEV_MEMC_SDRAM	0x80F
 #define SSB_DEV_EXTIF		0x811
 #define SSB_DEV_80211		0x812
 #define SSB_DEV_MIPS_3302	0x816
 #define SSB_DEV_USB11_HOST	0x817
 #define SSB_DEV_USB11_DEV	0x818
 #define SSB_DEV_USB20_HOST	0x819
 #define SSB_DEV_USB20_DEV	0x81A
 #define SSB_DEV_SDIO_HOST	0x81B
 #define SSB_DEV_ROBOSWITCH	0x81C
 #define SSB_DEV_PARA_ATA	0x81D
 #define SSB_DEV_SATA_XORDMA	0x81E
 #define SSB_DEV_ETHERNET_GBIT	0x81F
 #define SSB_DEV_PCIE		0x820
 #define SSB_DEV_MIMO_PHY	0x821
 #define SSB_DEV_SRAM_CTRLR	0x822
 #define SSB_DEV_MINI_MACPHY	0x823
 #define SSB_DEV_ARM_1176	0x824
 #define SSB_DEV_ARM_7TDMI	0x825
 #define SSB_DEV_ARM_CM3		0x82A

 /* Vendor-ID values */
 #define SSB_VENDOR_BROADCOM	0x4243

 /* Some kernel subsystems poke with dev->drvdata, so we must use the
  * following ugly workaround to get from struct device to struct ssb_device */
 struct __ssb_dev_wrapper {
 	struct device dev;
 	struct ssb_device *sdev;
 };

 struct ssb_device {
 	/* Having a copy of the ops pointer in each dev struct
 	 * is an optimization. */
 	const struct ssb_bus_ops *ops;

 	struct device *dev, *dma_dev;

 	struct ssb_bus *bus;
 	struct ssb_device_id id;

 	u8 core_index;
 	unsigned int irq;

 	/* Internal-only stuff follows. */
 	void *drvdata;		/* Per-device data */
 	void *devtypedata;	/* Per-devicetype (eg 802.11) data */
 };

 /* Go from struct device to struct ssb_device. */
 static inline
 struct ssb_device * dev_to_ssb_dev(struct device *dev)
 {
 	struct __ssb_dev_wrapper *wrap;
 	wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
 	return wrap->sdev;
 }

 /* Device specific user data */
 static inline
 void ssb_set_drvdata(struct ssb_device *dev, void *data)
 {
 	dev->drvdata = data;
 }
 static inline
 void * ssb_get_drvdata(struct ssb_device *dev)
 {
 	return dev->drvdata;
 }

 /* Devicetype specific user data. This is per device-type (not per device) */
 void ssb_set_devtypedata(struct ssb_device *dev, void *data);
 static inline
 void * ssb_get_devtypedata(struct ssb_device *dev)
 {
 	return dev->devtypedata;
 }


 struct ssb_driver {
 	const char *name;
 	const struct ssb_device_id *id_table;

 	int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
 	void (*remove)(struct ssb_device *dev);
 	int (*suspend)(struct ssb_device *dev, pm_message_t state);
 	int (*resume)(struct ssb_device *dev);
 	void (*shutdown)(struct ssb_device *dev);

 	struct device_driver drv;
 };
 #define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)

 extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
 #define ssb_driver_register(drv) \
 	__ssb_driver_register(drv, THIS_MODULE)

 extern void ssb_driver_unregister(struct ssb_driver *drv);


 enum ssb_bustype {
 	SSB_BUSTYPE_SSB,	/* This SSB bus is the system bus */
 	SSB_BUSTYPE_PCI,	/* SSB is connected to PCI bus */
 	SSB_BUSTYPE_PCMCIA,	/* SSB is connected to PCMCIA bus */
 	SSB_BUSTYPE_SDIO,	/* SSB is connected to SDIO bus */
 };

 /* board_vendor */
 #define SSB_BOARDVENDOR_BCM	0x14E4	/* Broadcom */
 #define SSB_BOARDVENDOR_DELL	0x1028	/* Dell */
 #define SSB_BOARDVENDOR_HP	0x0E11	/* HP */
 /* board_type */
 #define SSB_BOARD_BCM94301CB	0x0406
 #define SSB_BOARD_BCM94301MP	0x0407
 #define SSB_BOARD_BU4309	0x040A
 #define SSB_BOARD_BCM94309CB	0x040B
 #define SSB_BOARD_BCM4309MP	0x040C
 #define SSB_BOARD_BU4306	0x0416
 #define SSB_BOARD_BCM94306MP	0x0418
 #define SSB_BOARD_BCM4309G	0x0421
 #define SSB_BOARD_BCM4306CB	0x0417
 #define SSB_BOARD_BCM94306PC	0x0425	/* pcmcia 3.3v 4306 card */
 #define SSB_BOARD_BCM94306CBSG	0x042B	/* with SiGe PA */
 #define SSB_BOARD_PCSG94306	0x042D	/* with SiGe PA */
 #define SSB_BOARD_BU4704SD	0x042E	/* with sdram */
 #define SSB_BOARD_BCM94704AGR	0x042F	/* dual 11a/11g Router */
 #define SSB_BOARD_BCM94308MP	0x0430	/* 11a-only minipci */
 #define SSB_BOARD_BU4318	0x0447
 #define SSB_BOARD_CB4318	0x0448
 #define SSB_BOARD_MPG4318	0x0449
 #define SSB_BOARD_MP4318	0x044A
 #define SSB_BOARD_SD4318	0x044B
 #define SSB_BOARD_BCM94306P	0x044C	/* with SiGe */
 #define SSB_BOARD_BCM94303MP	0x044E
 #define SSB_BOARD_BCM94306MPM	0x0450
 #define SSB_BOARD_BCM94306MPL	0x0453
 #define SSB_BOARD_PC4303	0x0454	/* pcmcia */
 #define SSB_BOARD_BCM94306MPLNA	0x0457
 #define SSB_BOARD_BCM94306MPH	0x045B
 #define SSB_BOARD_BCM94306PCIV	0x045C
 #define SSB_BOARD_BCM94318MPGH	0x0463
 #define SSB_BOARD_BU4311	0x0464
 #define SSB_BOARD_BCM94311MC	0x0465
 #define SSB_BOARD_BCM94311MCAG	0x0466
 /* 4321 boards */
 #define SSB_BOARD_BU4321	0x046B
 #define SSB_BOARD_BU4321E	0x047C
 #define SSB_BOARD_MP4321	0x046C
 #define SSB_BOARD_CB2_4321	0x046D
 #define SSB_BOARD_CB2_4321_AG	0x0066
 #define SSB_BOARD_MC4321	0x046E
 /* 4325 boards */
 #define SSB_BOARD_BCM94325DEVBU	0x0490
 #define SSB_BOARD_BCM94325BGABU	0x0491
 #define SSB_BOARD_BCM94325SDGWB	0x0492
 #define SSB_BOARD_BCM94325SDGMDL	0x04AA
 #define SSB_BOARD_BCM94325SDGMDL2	0x04C6
 #define SSB_BOARD_BCM94325SDGMDL3	0x04C9
 #define SSB_BOARD_BCM94325SDABGWBA	0x04E1
 /* 4322 boards */
 #define SSB_BOARD_BCM94322MC	0x04A4
 #define SSB_BOARD_BCM94322USB	0x04A8	/* dualband */
 #define SSB_BOARD_BCM94322HM	0x04B0
 #define SSB_BOARD_BCM94322USB2D	0x04Bf	/* single band discrete front end */
 /* 4312 boards */
 #define SSB_BOARD_BU4312	0x048A
 #define SSB_BOARD_BCM4312MCGSG	0x04B5
 /* chip_package */
 #define SSB_CHIPPACK_BCM4712S	1	/* Small 200pin 4712 */
 #define SSB_CHIPPACK_BCM4712M	2	/* Medium 225pin 4712 */
 #define SSB_CHIPPACK_BCM4712L	0	/* Large 340pin 4712 */

 #include <linux/ssb/ssb_driver_chipcommon.h>
 #include <linux/ssb/ssb_driver_mips.h>
 #include <linux/ssb/ssb_driver_extif.h>
 #include <linux/ssb/ssb_driver_pci.h>

 struct ssb_bus {
 	/* The MMIO area. */
 	void __iomem *mmio;

 	const struct ssb_bus_ops *ops;

 	/* The core currently mapped into the MMIO window.
 	 * Not valid on all host-buses. So don't use outside of SSB. */
 	struct ssb_device *mapped_device;
 	union {
 		/* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
 		u8 mapped_pcmcia_seg;
 		/* Current SSB base address window for SDIO. */
 		u32 sdio_sbaddr;
 	};
 	/* Lock for core and segment switching.
 	 * On PCMCIA-host busses this is used to protect the whole MMIO access. */
 	spinlock_t bar_lock;

 	/* The host-bus this backplane is running on. */
 	enum ssb_bustype bustype;
 	/* Pointers to the host-bus. Check bustype before using any of these pointers. */
 	union {
 		/* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
 		struct pci_dev *host_pci;
 		/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
 		struct pcmcia_device *host_pcmcia;
 		/* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
 		struct sdio_func *host_sdio;
 	};

 	/* See enum ssb_quirks */
 	unsigned int quirks;

 #ifdef CONFIG_SSB_SPROM
 	/* Mutex to protect the SPROM writing. */
 	struct mutex sprom_mutex;
 #endif

 	/* ID information about the Chip. */
 	u16 chip_id;
 	u8 chip_rev;
 	u16 sprom_offset;
 	u16 sprom_size;		/* number of words in sprom */
 	u8 chip_package;

 	/* List of devices (cores) on the backplane. */
 	struct ssb_device devices[SSB_MAX_NR_CORES];
 	u8 nr_devices;

 	/* Software ID number for this bus. */
 	unsigned int busnumber;

 	/* The ChipCommon device (if available). */
 	struct ssb_chipcommon chipco;
 	/* The PCI-core device (if available). */
 	struct ssb_pcicore pcicore;
 	/* The MIPS-core device (if available). */
 	struct ssb_mipscore mipscore;
 	/* The EXTif-core device (if available). */
 	struct ssb_extif extif;

 	/* The following structure elements are not available in early
 	 * SSB initialization. Though, they are available for regular
 	 * registered drivers at any stage. So be careful when
 	 * using them in the ssb core code. */

 	/* ID information about the PCB. */
 	struct ssb_boardinfo boardinfo;
 	/* Contents of the SPROM. */
 	struct ssb_sprom sprom;
 	/* If the board has a cardbus slot, this is set to true. */
 	bool has_cardbus_slot;

 #ifdef CONFIG_SSB_EMBEDDED
 	/* Lock for GPIO register access. */
 	spinlock_t gpio_lock;
 	struct platform_device *watchdog;
 #endif /* EMBEDDED */
 #ifdef CONFIG_SSB_DRIVER_GPIO
 	struct gpio_chip gpio;
 	struct irq_domain *irq_domain;
 #endif /* DRIVER_GPIO */

 	/* Internal-only stuff follows. Do not touch. */
 	struct list_head list;
 #ifdef CONFIG_SSB_DEBUG
 	/* Is the bus already powered up? */
 	bool powered_up;
 	int power_warn_count;
 #endif /* DEBUG */
 };

 enum ssb_quirks {
 	/* SDIO connected card requires performing a read after writing a 32-bit value */
 	SSB_QUIRK_SDIO_READ_AFTER_WRITE32	= (1 << 0),
 };

 /* The initialization-invariants. */
 struct ssb_init_invariants {
 	/* Versioning information about the PCB. */
 	struct ssb_boardinfo boardinfo;
 	/* The SPROM information. That's either stored in an
 	 * EEPROM or NVRAM on the board. */
 	struct ssb_sprom sprom;
 	/* If the board has a cardbus slot, this is set to true. */
 	bool has_cardbus_slot;
 };
 /* Type of function to fetch the invariants. */
 typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
 				     struct ssb_init_invariants *iv);

 /* Register a SSB system bus. get_invariants() is called after the
  * basic system devices are initialized.
  * The invariants are usually fetched from some NVRAM.
  * Put the invariants into the struct pointed to by iv. */
 extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
 				   unsigned long baseaddr,
 				   ssb_invariants_func_t get_invariants);
 #ifdef CONFIG_SSB_PCIHOST
 extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
 				   struct pci_dev *host_pci);
 #endif /* CONFIG_SSB_PCIHOST */
 #ifdef CONFIG_SSB_PCMCIAHOST
 extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
 				      struct pcmcia_device *pcmcia_dev,
 				      unsigned long baseaddr);
 #endif /* CONFIG_SSB_PCMCIAHOST */
 #ifdef CONFIG_SSB_SDIOHOST
 extern int ssb_bus_sdiobus_register(struct ssb_bus *bus,
 				    struct sdio_func *sdio_func,
 				    unsigned int quirks);
 #endif /* CONFIG_SSB_SDIOHOST */


 extern void ssb_bus_unregister(struct ssb_bus *bus);

 /* Does the device have an SPROM? */
 extern bool ssb_is_sprom_available(struct ssb_bus *bus);

 /* Set a fallback SPROM.
  * See kdoc at the function definition for complete documentation. */
 extern int ssb_arch_register_fallback_sprom(
 		int (*sprom_callback)(struct ssb_bus *bus,
 		struct ssb_sprom *out));

 /* Suspend a SSB bus.
  * Call this from the parent bus suspend routine. */
 extern int ssb_bus_suspend(struct ssb_bus *bus);
 /* Resume a SSB bus.
  * Call this from the parent bus resume routine. */
 extern int ssb_bus_resume(struct ssb_bus *bus);

 extern u32 ssb_clockspeed(struct ssb_bus *bus);

 /* Is the device enabled in hardware? */
 int ssb_device_is_enabled(struct ssb_device *dev);
 /* Enable a device and pass device-specific SSB_TMSLOW flags.
  * If no device-specific flags are available, use 0. */
 void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
 /* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
 void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);


 /* Device MMIO register read/write functions. */
 static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
 {
 	return dev->ops->read8(dev, offset);
 }
 static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
 {
 	return dev->ops->read16(dev, offset);
 }
 static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
 {
 	return dev->ops->read32(dev, offset);
 }
 static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
 {
 	dev->ops->write8(dev, offset, value);
 }
 static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
 {
 	dev->ops->write16(dev, offset, value);
 }
 static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
 {
 	dev->ops->write32(dev, offset, value);
 }
 #ifdef CONFIG_SSB_BLOCKIO
 static inline void ssb_block_read(struct ssb_device *dev, void *buffer,
 				  size_t count, u16 offset, u8 reg_width)
 {
 	dev->ops->block_read(dev, buffer, count, offset, reg_width);
 }

 static inline void ssb_block_write(struct ssb_device *dev, const void *buffer,
 				   size_t count, u16 offset, u8 reg_width)
 {
 	dev->ops->block_write(dev, buffer, count, offset, reg_width);
 }
 #endif /* CONFIG_SSB_BLOCKIO */


 /* The SSB DMA API. Use this API for any DMA operation on the device.
  * This API basically is a wrapper that calls the correct DMA API for
  * the host device type the SSB device is attached to. */

 /* Translation (routing) bits that need to be ORed to DMA
  * addresses before they are given to a device. */
 extern u32 ssb_dma_translation(struct ssb_device *dev);
 #define SSB_DMA_TRANSLATION_MASK	0xC0000000
 #define SSB_DMA_TRANSLATION_SHIFT	30

 static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
 {
 #ifdef CONFIG_SSB_DEBUG
 	printk(KERN_ERR "SSB: BUG! Calling DMA API for "
 	       "unsupported bustype %d\n", dev->bus->bustype);
 #endif /* DEBUG */
 }

 #ifdef CONFIG_SSB_PCIHOST
 /* PCI-host wrapper driver */
 extern int ssb_pcihost_register(struct pci_driver *driver);
 static inline void ssb_pcihost_unregister(struct pci_driver *driver)
 {
 	pci_unregister_driver(driver);
 }

 static inline
 void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
 {
 	if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
 		pci_set_power_state(sdev->bus->host_pci, state);
 }
 #else
 static inline void ssb_pcihost_unregister(struct pci_driver *driver)
 {
 }

 static inline
 void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
 {
 }
 #endif /* CONFIG_SSB_PCIHOST */


 /* If a driver is shutdown or suspended, call this to signal
  * that the bus may be completely powered down. SSB will decide,
  * if it's really time to power down the bus, based on if there
  * are other devices that want to run. */
 extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
 /* Before initializing and enabling a device, call this to power-up the bus.
  * If you want to allow use of dynamic-power-control, pass the flag.
  * Otherwise static always-on powercontrol will be used. */
 extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);

 extern void ssb_commit_settings(struct ssb_bus *bus);

 /* Various helper functions */
 extern u32 ssb_admatch_base(u32 adm);
 extern u32 ssb_admatch_size(u32 adm);

 /* PCI device mapping and fixup routines.
  * Called from the architecture pcibios init code.
  * These are only available on SSB_EMBEDDED configurations. */
 #ifdef CONFIG_SSB_EMBEDDED
 int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
 int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 #endif /* CONFIG_SSB_EMBEDDED */

 #endif /* LINUX_SSB_H_ */
	#ifndef LINUX_SSB_H_
	#define LINUX_SSB_H_

	#include <linux/device.h>
	#include <linux/list.h>
	#include <linux/types.h>
	#include <linux/spinlock.h>
	#include <linux/pci.h>
	#include <linux/gpio.h>
	#include <linux/mod_devicetable.h>
	#include <linux/dma-mapping.h>
	#include <linux/platform_device.h>

	#include <linux/ssb/ssb_regs.h>


	struct pcmcia_device;
	struct ssb_bus;
	struct ssb_driver;

	struct ssb_sprom_core_pwr_info {
	u8 itssi_2g, itssi_5g;
	u8 maxpwr_2g, maxpwr_5gl, maxpwr_5g, maxpwr_5gh;
	u16 pa_2g[4], pa_5gl[4], pa_5g[4], pa_5gh[4];
	};

	struct ssb_sprom {
	u8 revision;
	u8 il0mac[6] __aligned(sizeof(u16)); /* MAC address for 802.11b/g */
	u8 et0mac[6] __aligned(sizeof(u16)); /* MAC address for Ethernet */
	u8 et1mac[6] __aligned(sizeof(u16)); /* MAC address for 802.11a */
	u8 et2mac[6] __aligned(sizeof(u16)); /* MAC address for extra Ethernet */
	u8 et0phyaddr; /* MII address for enet0 */
	u8 et1phyaddr; /* MII address for enet1 */
	u8 et2phyaddr; /* MII address for enet2 */
	u8 et0mdcport; /* MDIO for enet0 */
	u8 et1mdcport; /* MDIO for enet1 */
	u8 et2mdcport; /* MDIO for enet2 */
	u16 dev_id; /* Device ID overriding e.g. PCI ID */
	u16 board_rev; /* Board revision number from SPROM. */
	u16 board_num; /* Board number from SPROM. */
	u16 board_type; /* Board type from SPROM. */
	u8 country_code; /* Country Code */
	char alpha2[2]; /* Country Code as two chars like EU or US */
	u8 leddc_on_time; /* LED Powersave Duty Cycle On Count */
	u8 leddc_off_time; /* LED Powersave Duty Cycle Off Count */
	u8 ant_available_a; /* 2GHz antenna available bits (up to 4) */
	u8 ant_available_bg; /* 5GHz antenna available bits (up to 4) */
	u16 pa0b0;
	u16 pa0b1;
	u16 pa0b2;
	u16 pa1b0;
	u16 pa1b1;
	u16 pa1b2;
	u16 pa1lob0;
	u16 pa1lob1;
	u16 pa1lob2;
	u16 pa1hib0;
	u16 pa1hib1;
	u16 pa1hib2;
	u8 gpio0; /* GPIO pin 0 */
	u8 gpio1; /* GPIO pin 1 */
	u8 gpio2; /* GPIO pin 2 */
	u8 gpio3; /* GPIO pin 3 */
	u8 maxpwr_bg; /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */
	u8 maxpwr_al; /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */
	u8 maxpwr_a; /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */
	u8 maxpwr_ah; /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */
	u8 itssi_a; /* Idle TSSI Target for A-PHY */
	u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */
	u8 tri2g; /* 2.4GHz TX isolation */
	u8 tri5gl; /* 5.2GHz TX isolation */
	u8 tri5g; /* 5.3GHz TX isolation */
	u8 tri5gh; /* 5.8GHz TX isolation */
	u8 txpid2g[4]; /* 2GHz TX power index */
	u8 txpid5gl[4]; /* 4.9 - 5.1GHz TX power index */
	u8 txpid5g[4]; /* 5.1 - 5.5GHz TX power index */
	u8 txpid5gh[4]; /* 5.5 - ...GHz TX power index */
	s8 rxpo2g; /* 2GHz RX power offset */
	s8 rxpo5g; /* 5GHz RX power offset */
	u8 rssisav2g; /* 2GHz RSSI params */
	u8 rssismc2g;
	u8 rssismf2g;
	u8 bxa2g; /* 2GHz BX arch */
	u8 rssisav5g; /* 5GHz RSSI params */
	u8 rssismc5g;
	u8 rssismf5g;
	u8 bxa5g; /* 5GHz BX arch */
	u16 cck2gpo; /* CCK power offset */
	u32 ofdm2gpo; /* 2.4GHz OFDM power offset */
	u32 ofdm5glpo; /* 5.2GHz OFDM power offset */
	u32 ofdm5gpo; /* 5.3GHz OFDM power offset */
	u32 ofdm5ghpo; /* 5.8GHz OFDM power offset */
	u32 boardflags;
	u32 boardflags2;
	u32 boardflags3;
	/* TODO: Switch all drivers to new u32 fields and drop below ones */
	u16 boardflags_lo; /* Board flags (bits 0-15) */
	u16 boardflags_hi; /* Board flags (bits 16-31) */
	u16 boardflags2_lo; /* Board flags (bits 32-47) */
	u16 boardflags2_hi; /* Board flags (bits 48-63) */

	struct ssb_sprom_core_pwr_info core_pwr_info[4];

	/* Antenna gain values for up to 4 antennas
	* on each band. Values in dBm/4 (Q5.2). Negative gain means the
	* loss in the connectors is bigger than the gain. */
	struct {
	s8 a0, a1, a2, a3;
	} antenna_gain;

	struct {
	struct {
	u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
	} ghz2;
	struct {
	u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
	} ghz5;
	} fem;

	u16 mcs2gpo[8];
	u16 mcs5gpo[8];
	u16 mcs5glpo[8];
	u16 mcs5ghpo[8];
	u8 opo;

	u8 rxgainerr2ga[3];
	u8 rxgainerr5gla[3];
	u8 rxgainerr5gma[3];
	u8 rxgainerr5gha[3];
	u8 rxgainerr5gua[3];

	u8 noiselvl2ga[3];
	u8 noiselvl5gla[3];
	u8 noiselvl5gma[3];
	u8 noiselvl5gha[3];
	u8 noiselvl5gua[3];

	u8 regrev;
	u8 txchain;
	u8 rxchain;
	u8 antswitch;
	u16 cddpo;
	u16 stbcpo;
	u16 bw40po;
	u16 bwduppo;

	u8 tempthresh;
	u8 tempoffset;
	u16 rawtempsense;
	u8 measpower;
	u8 tempsense_slope;
	u8 tempcorrx;
	u8 tempsense_option;
	u8 freqoffset_corr;
	u8 iqcal_swp_dis;
	u8 hw_iqcal_en;
	u8 elna2g;
	u8 elna5g;
	u8 phycal_tempdelta;
	u8 temps_period;
	u8 temps_hysteresis;
	u8 measpower1;
	u8 measpower2;
	u8 pcieingress_war;

	/* power per rate from sromrev 9 */
	u16 cckbw202gpo;
	u16 cckbw20ul2gpo;
	u32 legofdmbw202gpo;
	u32 legofdmbw20ul2gpo;
	u32 legofdmbw205glpo;
	u32 legofdmbw20ul5glpo;
	u32 legofdmbw205gmpo;
	u32 legofdmbw20ul5gmpo;
	u32 legofdmbw205ghpo;
	u32 legofdmbw20ul5ghpo;
	u32 mcsbw202gpo;
	u32 mcsbw20ul2gpo;
	u32 mcsbw402gpo;
	u32 mcsbw205glpo;
	u32 mcsbw20ul5glpo;
	u32 mcsbw405glpo;
	u32 mcsbw205gmpo;
	u32 mcsbw20ul5gmpo;
	u32 mcsbw405gmpo;
	u32 mcsbw205ghpo;
	u32 mcsbw20ul5ghpo;
	u32 mcsbw405ghpo;
	u16 mcs32po;
	u16 legofdm40duppo;
	u8 sar2g;
	u8 sar5g;
	};

	/* Information about the PCB the circuitry is soldered on. */
	struct ssb_boardinfo {
	u16 vendor;
	u16 type;
	};


	struct ssb_device;
	/* Lowlevel read/write operations on the device MMIO.
	* Internal, don't use that outside of ssb. */
	struct ssb_bus_ops {
	u8 (read8)(struct ssb_device dev, u16 offset);
	u16 (read16)(struct ssb_device dev, u16 offset);
	u32 (read32)(struct ssb_device dev, u16 offset);
	void (write8)(struct ssb_device dev, u16 offset, u8 value);
	void (write16)(struct ssb_device dev, u16 offset, u16 value);
	void (write32)(struct ssb_device dev, u16 offset, u32 value);
	#ifdef CONFIG_SSB_BLOCKIO
	void (block_read)(struct ssb_device dev, void *buffer,
	size_t count, u16 offset, u8 reg_width);
	void (block_write)(struct ssb_device dev, const void *buffer,
	size_t count, u16 offset, u8 reg_width);
	#endif
	};


	/* Core-ID values. */
	#define SSB_DEV_CHIPCOMMON 0x800
	#define SSB_DEV_ILINE20 0x801
	#define SSB_DEV_SDRAM 0x803
	#define SSB_DEV_PCI 0x804
	#define SSB_DEV_MIPS 0x805
	#define SSB_DEV_ETHERNET 0x806
	#define SSB_DEV_V90 0x807
	#define SSB_DEV_USB11_HOSTDEV 0x808
	#define SSB_DEV_ADSL 0x809
	#define SSB_DEV_ILINE100 0x80A
	#define SSB_DEV_IPSEC 0x80B
	#define SSB_DEV_PCMCIA 0x80D
	#define SSB_DEV_INTERNAL_MEM 0x80E
	#define SSB_DEV_MEMC_SDRAM 0x80F
	#define SSB_DEV_EXTIF 0x811
	#define SSB_DEV_80211 0x812
	#define SSB_DEV_MIPS_3302 0x816
	#define SSB_DEV_USB11_HOST 0x817
	#define SSB_DEV_USB11_DEV 0x818
	#define SSB_DEV_USB20_HOST 0x819
	#define SSB_DEV_USB20_DEV 0x81A
	#define SSB_DEV_SDIO_HOST 0x81B
	#define SSB_DEV_ROBOSWITCH 0x81C
	#define SSB_DEV_PARA_ATA 0x81D
	#define SSB_DEV_SATA_XORDMA 0x81E
	#define SSB_DEV_ETHERNET_GBIT 0x81F
	#define SSB_DEV_PCIE 0x820
	#define SSB_DEV_MIMO_PHY 0x821
	#define SSB_DEV_SRAM_CTRLR 0x822
	#define SSB_DEV_MINI_MACPHY 0x823
	#define SSB_DEV_ARM_1176 0x824
	#define SSB_DEV_ARM_7TDMI 0x825
	#define SSB_DEV_ARM_CM3 0x82A

	/* Vendor-ID values */
	#define SSB_VENDOR_BROADCOM 0x4243

	/* Some kernel subsystems poke with dev->drvdata, so we must use the
	* following ugly workaround to get from struct device to struct ssb_device */
	struct __ssb_dev_wrapper {
	struct device dev;
	struct ssb_device *sdev;
	};

	struct ssb_device {
	/* Having a copy of the ops pointer in each dev struct
	* is an optimization. */
	const struct ssb_bus_ops *ops;

	struct device dev, dma_dev;

	struct ssb_bus *bus;
	struct ssb_device_id id;

	u8 core_index;
	unsigned int irq;

	/* Internal-only stuff follows. */
	void drvdata; / Per-device data */
	void devtypedata; / Per-devicetype (eg 802.11) data */
	};

	/* Go from struct device to struct ssb_device. */
	static inline
	struct ssb_device * dev_to_ssb_dev(struct device *dev)
	{
	struct __ssb_dev_wrapper *wrap;
	wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
	return wrap->sdev;
	}

	/* Device specific user data */
	static inline
	void ssb_set_drvdata(struct ssb_device dev, void data)
	{
	dev->drvdata = data;
	}
	static inline
	void * ssb_get_drvdata(struct ssb_device *dev)
	{
	return dev->drvdata;
	}

	/* Devicetype specific user data. This is per device-type (not per device) */
	void ssb_set_devtypedata(struct ssb_device dev, void data);
	static inline
	void * ssb_get_devtypedata(struct ssb_device *dev)
	{
	return dev->devtypedata;
	}


	struct ssb_driver {
	const char *name;
	const struct ssb_device_id *id_table;

	int (probe)(struct ssb_device dev, const struct ssb_device_id *id);
	void (remove)(struct ssb_device dev);
	int (suspend)(struct ssb_device dev, pm_message_t state);
	int (resume)(struct ssb_device dev);
	void (shutdown)(struct ssb_device dev);

	struct device_driver drv;
	};
	#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)

	extern int __ssb_driver_register(struct ssb_driver drv, struct module owner);
	#define ssb_driver_register(drv) \
	__ssb_driver_register(drv, THIS_MODULE)

	extern void ssb_driver_unregister(struct ssb_driver *drv);




	enum ssb_bustype {
	SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */
	SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */
	SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */
	SSB_BUSTYPE_SDIO, /* SSB is connected to SDIO bus */
	};

	/* board_vendor */
	#define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */
	#define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */
	#define SSB_BOARDVENDOR_HP 0x0E11 /* HP */
	/* board_type */
	#define SSB_BOARD_BCM94301CB 0x0406
	#define SSB_BOARD_BCM94301MP 0x0407
	#define SSB_BOARD_BU4309 0x040A
	#define SSB_BOARD_BCM94309CB 0x040B
	#define SSB_BOARD_BCM4309MP 0x040C
	#define SSB_BOARD_BU4306 0x0416
	#define SSB_BOARD_BCM94306MP 0x0418
	#define SSB_BOARD_BCM4309G 0x0421
	#define SSB_BOARD_BCM4306CB 0x0417
	#define SSB_BOARD_BCM94306PC 0x0425 /* pcmcia 3.3v 4306 card */
	#define SSB_BOARD_BCM94306CBSG 0x042B /* with SiGe PA */
	#define SSB_BOARD_PCSG94306 0x042D /* with SiGe PA */
	#define SSB_BOARD_BU4704SD 0x042E /* with sdram */
	#define SSB_BOARD_BCM94704AGR 0x042F /* dual 11a/11g Router */
	#define SSB_BOARD_BCM94308MP 0x0430 /* 11a-only minipci */
	#define SSB_BOARD_BU4318 0x0447
	#define SSB_BOARD_CB4318 0x0448
	#define SSB_BOARD_MPG4318 0x0449
	#define SSB_BOARD_MP4318 0x044A
	#define SSB_BOARD_SD4318 0x044B
	#define SSB_BOARD_BCM94306P 0x044C /* with SiGe */
	#define SSB_BOARD_BCM94303MP 0x044E
	#define SSB_BOARD_BCM94306MPM 0x0450
	#define SSB_BOARD_BCM94306MPL 0x0453
	#define SSB_BOARD_PC4303 0x0454 /* pcmcia */
	#define SSB_BOARD_BCM94306MPLNA 0x0457
	#define SSB_BOARD_BCM94306MPH 0x045B
	#define SSB_BOARD_BCM94306PCIV 0x045C
	#define SSB_BOARD_BCM94318MPGH 0x0463
	#define SSB_BOARD_BU4311 0x0464
	#define SSB_BOARD_BCM94311MC 0x0465
	#define SSB_BOARD_BCM94311MCAG 0x0466
	/* 4321 boards */
	#define SSB_BOARD_BU4321 0x046B
	#define SSB_BOARD_BU4321E 0x047C
	#define SSB_BOARD_MP4321 0x046C
	#define SSB_BOARD_CB2_4321 0x046D
	#define SSB_BOARD_CB2_4321_AG 0x0066
	#define SSB_BOARD_MC4321 0x046E
	/* 4325 boards */
	#define SSB_BOARD_BCM94325DEVBU 0x0490
	#define SSB_BOARD_BCM94325BGABU 0x0491
	#define SSB_BOARD_BCM94325SDGWB 0x0492
	#define SSB_BOARD_BCM94325SDGMDL 0x04AA
	#define SSB_BOARD_BCM94325SDGMDL2 0x04C6
	#define SSB_BOARD_BCM94325SDGMDL3 0x04C9
	#define SSB_BOARD_BCM94325SDABGWBA 0x04E1
	/* 4322 boards */
	#define SSB_BOARD_BCM94322MC 0x04A4
	#define SSB_BOARD_BCM94322USB 0x04A8 /* dualband */
	#define SSB_BOARD_BCM94322HM 0x04B0
	#define SSB_BOARD_BCM94322USB2D 0x04Bf /* single band discrete front end */
	/* 4312 boards */
	#define SSB_BOARD_BU4312 0x048A
	#define SSB_BOARD_BCM4312MCGSG 0x04B5
	/* chip_package */
	#define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */
	#define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
	#define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */

	#include <linux/ssb/ssb_driver_chipcommon.h>
	#include <linux/ssb/ssb_driver_mips.h>
	#include <linux/ssb/ssb_driver_extif.h>
	#include <linux/ssb/ssb_driver_pci.h>

	struct ssb_bus {
	/* The MMIO area. */
	void __iomem *mmio;

	const struct ssb_bus_ops *ops;

	/* The core currently mapped into the MMIO window.
	* Not valid on all host-buses. So don't use outside of SSB. */
	struct ssb_device *mapped_device;
	union {
	/* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
	u8 mapped_pcmcia_seg;
	/* Current SSB base address window for SDIO. */
	u32 sdio_sbaddr;
	};
	/* Lock for core and segment switching.
	* On PCMCIA-host busses this is used to protect the whole MMIO access. */
	spinlock_t bar_lock;

	/* The host-bus this backplane is running on. */
	enum ssb_bustype bustype;
	/* Pointers to the host-bus. Check bustype before using any of these pointers. */
	union {
	/* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
	struct pci_dev *host_pci;
	/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
	struct pcmcia_device *host_pcmcia;
	/* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
	struct sdio_func *host_sdio;
	};

	/* See enum ssb_quirks */
	unsigned int quirks;

	#ifdef CONFIG_SSB_SPROM
	/* Mutex to protect the SPROM writing. */
	struct mutex sprom_mutex;
	#endif

	/* ID information about the Chip. */
	u16 chip_id;
	u8 chip_rev;
	u16 sprom_offset;
	u16 sprom_size; /* number of words in sprom */
	u8 chip_package;

	/* List of devices (cores) on the backplane. */
	struct ssb_device devices[SSB_MAX_NR_CORES];
	u8 nr_devices;

	/* Software ID number for this bus. */
	unsigned int busnumber;

	/* The ChipCommon device (if available). */
	struct ssb_chipcommon chipco;
	/* The PCI-core device (if available). */
	struct ssb_pcicore pcicore;
	/* The MIPS-core device (if available). */
	struct ssb_mipscore mipscore;
	/* The EXTif-core device (if available). */
	struct ssb_extif extif;

	/* The following structure elements are not available in early
	* SSB initialization. Though, they are available for regular
	* registered drivers at any stage. So be careful when
	* using them in the ssb core code. */

	/* ID information about the PCB. */
	struct ssb_boardinfo boardinfo;
	/* Contents of the SPROM. */
	struct ssb_sprom sprom;
	/* If the board has a cardbus slot, this is set to true. */
	bool has_cardbus_slot;

	#ifdef CONFIG_SSB_EMBEDDED
	/* Lock for GPIO register access. */
	spinlock_t gpio_lock;
	struct platform_device *watchdog;
	#endif /* EMBEDDED */
	#ifdef CONFIG_SSB_DRIVER_GPIO
	struct gpio_chip gpio;
	struct irq_domain *irq_domain;
	#endif /* DRIVER_GPIO */

	/* Internal-only stuff follows. Do not touch. */
	struct list_head list;
	#ifdef CONFIG_SSB_DEBUG
	/* Is the bus already powered up? */
	bool powered_up;
	int power_warn_count;
	#endif /* DEBUG */
	};

	enum ssb_quirks {
	/* SDIO connected card requires performing a read after writing a 32-bit value */
	SSB_QUIRK_SDIO_READ_AFTER_WRITE32 = (1 << 0),
	};

	/* The initialization-invariants. */
	struct ssb_init_invariants {
	/* Versioning information about the PCB. */
	struct ssb_boardinfo boardinfo;
	/* The SPROM information. That's either stored in an
	* EEPROM or NVRAM on the board. */
	struct ssb_sprom sprom;
	/* If the board has a cardbus slot, this is set to true. */
	bool has_cardbus_slot;
	};
	/* Type of function to fetch the invariants. */
	typedef int (ssb_invariants_func_t)(struct ssb_bus bus,
	struct ssb_init_invariants *iv);

	/* Register a SSB system bus. get_invariants() is called after the
	* basic system devices are initialized.
	* The invariants are usually fetched from some NVRAM.
	* Put the invariants into the struct pointed to by iv. */
	extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
	unsigned long baseaddr,
	ssb_invariants_func_t get_invariants);
	#ifdef CONFIG_SSB_PCIHOST
	extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
	struct pci_dev *host_pci);
	#endif /* CONFIG_SSB_PCIHOST */
	#ifdef CONFIG_SSB_PCMCIAHOST
	extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
	struct pcmcia_device *pcmcia_dev,
	unsigned long baseaddr);
	#endif /* CONFIG_SSB_PCMCIAHOST */
	#ifdef CONFIG_SSB_SDIOHOST
	extern int ssb_bus_sdiobus_register(struct ssb_bus *bus,
	struct sdio_func *sdio_func,
	unsigned int quirks);
	#endif /* CONFIG_SSB_SDIOHOST */


	extern void ssb_bus_unregister(struct ssb_bus *bus);

	/* Does the device have an SPROM? */
	extern bool ssb_is_sprom_available(struct ssb_bus *bus);

	/* Set a fallback SPROM.
	* See kdoc at the function definition for complete documentation. */
	extern int ssb_arch_register_fallback_sprom(
	int (sprom_callback)(struct ssb_bus bus,
	struct ssb_sprom *out));

	/* Suspend a SSB bus.
	* Call this from the parent bus suspend routine. */
	extern int ssb_bus_suspend(struct ssb_bus *bus);
	/* Resume a SSB bus.
	* Call this from the parent bus resume routine. */
	extern int ssb_bus_resume(struct ssb_bus *bus);

	extern u32 ssb_clockspeed(struct ssb_bus *bus);

	/* Is the device enabled in hardware? */
	int ssb_device_is_enabled(struct ssb_device *dev);
	/* Enable a device and pass device-specific SSB_TMSLOW flags.
	* If no device-specific flags are available, use 0. */
	void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
	/* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
	void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);


	/* Device MMIO register read/write functions. */
	static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
	{
	return dev->ops->read8(dev, offset);
	}
	static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
	{
	return dev->ops->read16(dev, offset);
	}
	static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
	{
	return dev->ops->read32(dev, offset);
	}
	static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
	{
	dev->ops->write8(dev, offset, value);
	}
	static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
	{
	dev->ops->write16(dev, offset, value);
	}
	static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
	{
	dev->ops->write32(dev, offset, value);
	}
	#ifdef CONFIG_SSB_BLOCKIO
	static inline void ssb_block_read(struct ssb_device dev, void buffer,
	size_t count, u16 offset, u8 reg_width)
	{
	dev->ops->block_read(dev, buffer, count, offset, reg_width);
	}

	static inline void ssb_block_write(struct ssb_device dev, const void buffer,
	size_t count, u16 offset, u8 reg_width)
	{
	dev->ops->block_write(dev, buffer, count, offset, reg_width);
	}
	#endif /* CONFIG_SSB_BLOCKIO */


	/* The SSB DMA API. Use this API for any DMA operation on the device.
	* This API basically is a wrapper that calls the correct DMA API for
	* the host device type the SSB device is attached to. */

	/* Translation (routing) bits that need to be ORed to DMA
	* addresses before they are given to a device. */
	extern u32 ssb_dma_translation(struct ssb_device *dev);
	#define SSB_DMA_TRANSLATION_MASK 0xC0000000
	#define SSB_DMA_TRANSLATION_SHIFT 30

	static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
	{
	#ifdef CONFIG_SSB_DEBUG
	printk(KERN_ERR "SSB: BUG! Calling DMA API for "
	"unsupported bustype %d\n", dev->bus->bustype);
	#endif /* DEBUG */
	}

	#ifdef CONFIG_SSB_PCIHOST
	/* PCI-host wrapper driver */
	extern int ssb_pcihost_register(struct pci_driver *driver);
	static inline void ssb_pcihost_unregister(struct pci_driver *driver)
	{
	pci_unregister_driver(driver);
	}

	static inline
	void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
	{
	if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
	pci_set_power_state(sdev->bus->host_pci, state);
	}
	#else
	static inline void ssb_pcihost_unregister(struct pci_driver *driver)
	{
	}

	static inline
	void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
	{
	}
	#endif /* CONFIG_SSB_PCIHOST */


	/* If a driver is shutdown or suspended, call this to signal
	* that the bus may be completely powered down. SSB will decide,
	* if it's really time to power down the bus, based on if there
	* are other devices that want to run. */
	extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
	/* Before initializing and enabling a device, call this to power-up the bus.
	* If you want to allow use of dynamic-power-control, pass the flag.
	* Otherwise static always-on powercontrol will be used. */
	extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);

	extern void ssb_commit_settings(struct ssb_bus *bus);

	/* Various helper functions */
	extern u32 ssb_admatch_base(u32 adm);
	extern u32 ssb_admatch_size(u32 adm);

	/* PCI device mapping and fixup routines.
	* Called from the architecture pcibios init code.
	* These are only available on SSB_EMBEDDED configurations. */
	#ifdef CONFIG_SSB_EMBEDDED
	int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
	int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
	#endif /* CONFIG_SSB_EMBEDDED */

	#endif /* LINUX_SSB_H_ */