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/* SPDX-License-Identifier: GPL-2.0 */
#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/driver.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(const 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;
/* Is the bus already powered up? */
bool powered_up;
int power_warn_count;
};
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 SoC bus. */
extern int ssb_bus_host_soc_register(struct ssb_bus *bus,
unsigned long baseaddr);
#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_ */