include/linux/ssb/ssb.h

   1 #ifndef LINUX_SSB_H_
   2 #define LINUX_SSB_H_
   3
   4 #include <linux/device.h>
   5 #include <linux/list.h>
   6 #include <linux/types.h>
   7 #include <linux/spinlock.h>
   8 #include <linux/pci.h>
   9 #include <linux/gpio.h>
  10 #include <linux/mod_devicetable.h>
  11 #include <linux/dma-mapping.h>
  12 #include <linux/platform_device.h>
  13
  14 #include <linux/ssb/ssb_regs.h>
  15
  16
  17 struct pcmcia_device;
  18 struct ssb_bus;
  19 struct ssb_driver;
  20
  21 struct ssb_sprom_core_pwr_info {
  22         u8 itssi_2g, itssi_5g;
  23         u8 maxpwr_2g, maxpwr_5gl, maxpwr_5g, maxpwr_5gh;
  24         u16 pa_2g[4], pa_5gl[4], pa_5g[4], pa_5gh[4];
  25 };
  26
  27 struct ssb_sprom {
  28         u8 revision;
  29         u8 il0mac[6] __aligned(sizeof(u16));    /* MAC address for 802.11b/g */
  30         u8 et0mac[6] __aligned(sizeof(u16));    /* MAC address for Ethernet */
  31         u8 et1mac[6] __aligned(sizeof(u16));    /* MAC address for 802.11a */
  32         u8 et0phyaddr;          /* MII address for enet0 */
  33         u8 et1phyaddr;          /* MII address for enet1 */
  34         u8 et0mdcport;          /* MDIO for enet0 */
  35         u8 et1mdcport;          /* MDIO for enet1 */
  36         u16 board_rev;          /* Board revision number from SPROM. */
  37         u16 board_num;          /* Board number from SPROM. */
  38         u16 board_type;         /* Board type from SPROM. */
  39         u8 country_code;        /* Country Code */
  40         char alpha2[2];         /* Country Code as two chars like EU or US */
  41         u8 leddc_on_time;       /* LED Powersave Duty Cycle On Count */
  42         u8 leddc_off_time;      /* LED Powersave Duty Cycle Off Count */
  43         u8 ant_available_a;     /* 2GHz antenna available bits (up to 4) */
  44         u8 ant_available_bg;    /* 5GHz antenna available bits (up to 4) */
  45         u16 pa0b0;
  46         u16 pa0b1;
  47         u16 pa0b2;
  48         u16 pa1b0;
  49         u16 pa1b1;
  50         u16 pa1b2;
  51         u16 pa1lob0;
  52         u16 pa1lob1;
  53         u16 pa1lob2;
  54         u16 pa1hib0;
  55         u16 pa1hib1;
  56         u16 pa1hib2;
  57         u8 gpio0;               /* GPIO pin 0 */
  58         u8 gpio1;               /* GPIO pin 1 */
  59         u8 gpio2;               /* GPIO pin 2 */
  60         u8 gpio3;               /* GPIO pin 3 */
  61         u8 maxpwr_bg;           /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */
  62         u8 maxpwr_al;           /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */
  63         u8 maxpwr_a;            /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */
  64         u8 maxpwr_ah;           /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */
  65         u8 itssi_a;             /* Idle TSSI Target for A-PHY */
  66         u8 itssi_bg;            /* Idle TSSI Target for B/G-PHY */
  67         u8 tri2g;               /* 2.4GHz TX isolation */
  68         u8 tri5gl;              /* 5.2GHz TX isolation */
  69         u8 tri5g;               /* 5.3GHz TX isolation */
  70         u8 tri5gh;              /* 5.8GHz TX isolation */
  71         u8 txpid2g[4];          /* 2GHz TX power index */
  72         u8 txpid5gl[4];         /* 4.9 - 5.1GHz TX power index */
  73         u8 txpid5g[4];          /* 5.1 - 5.5GHz TX power index */
  74         u8 txpid5gh[4];         /* 5.5 - ...GHz TX power index */
  75         s8 rxpo2g;              /* 2GHz RX power offset */
  76         s8 rxpo5g;              /* 5GHz RX power offset */
  77         u8 rssisav2g;           /* 2GHz RSSI params */
  78         u8 rssismc2g;
  79         u8 rssismf2g;
  80         u8 bxa2g;               /* 2GHz BX arch */
  81         u8 rssisav5g;           /* 5GHz RSSI params */
  82         u8 rssismc5g;
  83         u8 rssismf5g;
  84         u8 bxa5g;               /* 5GHz BX arch */
  85         u16 cck2gpo;            /* CCK power offset */
  86         u32 ofdm2gpo;           /* 2.4GHz OFDM power offset */
  87         u32 ofdm5glpo;          /* 5.2GHz OFDM power offset */
  88         u32 ofdm5gpo;           /* 5.3GHz OFDM power offset */
  89         u32 ofdm5ghpo;          /* 5.8GHz OFDM power offset */
  90         u16 boardflags_lo;      /* Board flags (bits 0-15) */
  91         u16 boardflags_hi;      /* Board flags (bits 16-31) */
  92         u16 boardflags2_lo;     /* Board flags (bits 32-47) */
  93         u16 boardflags2_hi;     /* Board flags (bits 48-63) */
  94         /* TODO store board flags in a single u64 */
  95
  96         struct ssb_sprom_core_pwr_info core_pwr_info[4];
  97
  98         /* Antenna gain values for up to 4 antennas
  99          * on each band. Values in dBm/4 (Q5.2). Negative gain means the
 100          * loss in the connectors is bigger than the gain. */
 101         struct {
 102                 s8 a0, a1, a2, a3;
 103         } antenna_gain;
 104
 105         struct {
 106                 struct {
 107                         u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
 108                 } ghz2;
 109                 struct {
 110                         u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
 111                 } ghz5;
 112         } fem;
 113
 114         u16 mcs2gpo[8];
 115         u16 mcs5gpo[8];
 116         u16 mcs5glpo[8];
 117         u16 mcs5ghpo[8];
 118         u8 opo;
 119
 120         u8 rxgainerr2ga[3];
 121         u8 rxgainerr5gla[3];
 122         u8 rxgainerr5gma[3];
 123         u8 rxgainerr5gha[3];
 124         u8 rxgainerr5gua[3];
 125
 126         u8 noiselvl2ga[3];
 127         u8 noiselvl5gla[3];
 128         u8 noiselvl5gma[3];
 129         u8 noiselvl5gha[3];
 130         u8 noiselvl5gua[3];
 131
 132         u8 regrev;
 133         u8 txchain;
 134         u8 rxchain;
 135         u8 antswitch;
 136         u16 cddpo;
 137         u16 stbcpo;
 138         u16 bw40po;
 139         u16 bwduppo;
 140
 141         u8 tempthresh;
 142         u8 tempoffset;
 143         u16 rawtempsense;
 144         u8 measpower;
 145         u8 tempsense_slope;
 146         u8 tempcorrx;
 147         u8 tempsense_option;
 148         u8 freqoffset_corr;
 149         u8 iqcal_swp_dis;
 150         u8 hw_iqcal_en;
 151         u8 elna2g;
 152         u8 elna5g;
 153         u8 phycal_tempdelta;
 154         u8 temps_period;
 155         u8 temps_hysteresis;
 156         u8 measpower1;
 157         u8 measpower2;
 158         u8 pcieingress_war;
 159
 160         /* power per rate from sromrev 9 */
 161         u16 cckbw202gpo;
 162         u16 cckbw20ul2gpo;
 163         u32 legofdmbw202gpo;
 164         u32 legofdmbw20ul2gpo;
 165         u32 legofdmbw205glpo;
 166         u32 legofdmbw20ul5glpo;
 167         u32 legofdmbw205gmpo;
 168         u32 legofdmbw20ul5gmpo;
 169         u32 legofdmbw205ghpo;
 170         u32 legofdmbw20ul5ghpo;
 171         u32 mcsbw202gpo;
 172         u32 mcsbw20ul2gpo;
 173         u32 mcsbw402gpo;
 174         u32 mcsbw205glpo;
 175         u32 mcsbw20ul5glpo;
 176         u32 mcsbw405glpo;
 177         u32 mcsbw205gmpo;
 178         u32 mcsbw20ul5gmpo;
 179         u32 mcsbw405gmpo;
 180         u32 mcsbw205ghpo;
 181         u32 mcsbw20ul5ghpo;
 182         u32 mcsbw405ghpo;
 183         u16 mcs32po;
 184         u16 legofdm40duppo;
 185         u8 sar2g;
 186         u8 sar5g;
 187 };
 188
 189 /* Information about the PCB the circuitry is soldered on. */
 190 struct ssb_boardinfo {
 191         u16 vendor;
 192         u16 type;
 193 };
 194
 195
 196 struct ssb_device;
 197 /* Lowlevel read/write operations on the device MMIO.
 198  * Internal, don't use that outside of ssb. */
 199 struct ssb_bus_ops {
 200         u8 (*read8)(struct ssb_device *dev, u16 offset);
 201         u16 (*read16)(struct ssb_device *dev, u16 offset);
 202         u32 (*read32)(struct ssb_device *dev, u16 offset);
 203         void (*write8)(struct ssb_device *dev, u16 offset, u8 value);
 204         void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
 205         void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
 206 #ifdef CONFIG_SSB_BLOCKIO
 207         void (*block_read)(struct ssb_device *dev, void *buffer,
 208                            size_t count, u16 offset, u8 reg_width);
 209         void (*block_write)(struct ssb_device *dev, const void *buffer,
 210                             size_t count, u16 offset, u8 reg_width);
 211 #endif
 212 };
 213
 214
 215 /* Core-ID values. */
 216 #define SSB_DEV_CHIPCOMMON      0x800
 217 #define SSB_DEV_ILINE20         0x801
 218 #define SSB_DEV_SDRAM           0x803
 219 #define SSB_DEV_PCI             0x804
 220 #define SSB_DEV_MIPS            0x805
 221 #define SSB_DEV_ETHERNET        0x806
 222 #define SSB_DEV_V90             0x807
 223 #define SSB_DEV_USB11_HOSTDEV   0x808
 224 #define SSB_DEV_ADSL            0x809
 225 #define SSB_DEV_ILINE100        0x80A
 226 #define SSB_DEV_IPSEC           0x80B
 227 #define SSB_DEV_PCMCIA          0x80D
 228 #define SSB_DEV_INTERNAL_MEM    0x80E
 229 #define SSB_DEV_MEMC_SDRAM      0x80F
 230 #define SSB_DEV_EXTIF           0x811
 231 #define SSB_DEV_80211           0x812
 232 #define SSB_DEV_MIPS_3302       0x816
 233 #define SSB_DEV_USB11_HOST      0x817
 234 #define SSB_DEV_USB11_DEV       0x818
 235 #define SSB_DEV_USB20_HOST      0x819
 236 #define SSB_DEV_USB20_DEV       0x81A
 237 #define SSB_DEV_SDIO_HOST       0x81B
 238 #define SSB_DEV_ROBOSWITCH      0x81C
 239 #define SSB_DEV_PARA_ATA        0x81D
 240 #define SSB_DEV_SATA_XORDMA     0x81E
 241 #define SSB_DEV_ETHERNET_GBIT   0x81F
 242 #define SSB_DEV_PCIE            0x820
 243 #define SSB_DEV_MIMO_PHY        0x821
 244 #define SSB_DEV_SRAM_CTRLR      0x822
 245 #define SSB_DEV_MINI_MACPHY     0x823
 246 #define SSB_DEV_ARM_1176        0x824
 247 #define SSB_DEV_ARM_7TDMI       0x825
 248 #define SSB_DEV_ARM_CM3         0x82A
 249
 250 /* Vendor-ID values */
 251 #define SSB_VENDOR_BROADCOM     0x4243
 252
 253 /* Some kernel subsystems poke with dev->drvdata, so we must use the
 254  * following ugly workaround to get from struct device to struct ssb_device */
 255 struct __ssb_dev_wrapper {
 256         struct device dev;
 257         struct ssb_device *sdev;
 258 };
 259
 260 struct ssb_device {
 261         /* Having a copy of the ops pointer in each dev struct
 262          * is an optimization. */
 263         const struct ssb_bus_ops *ops;
 264
 265         struct device *dev, *dma_dev;
 266
 267         struct ssb_bus *bus;
 268         struct ssb_device_id id;
 269
 270         u8 core_index;
 271         unsigned int irq;
 272
 273         /* Internal-only stuff follows. */
 274         void *drvdata;          /* Per-device data */
 275         void *devtypedata;      /* Per-devicetype (eg 802.11) data */
 276 };
 277
 278 /* Go from struct device to struct ssb_device. */
 279 static inline
 280 struct ssb_device * dev_to_ssb_dev(struct device *dev)
 281 {
 282         struct __ssb_dev_wrapper *wrap;
 283         wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
 284         return wrap->sdev;
 285 }
 286
 287 /* Device specific user data */
 288 static inline
 289 void ssb_set_drvdata(struct ssb_device *dev, void *data)
 290 {
 291         dev->drvdata = data;
 292 }
 293 static inline
 294 void * ssb_get_drvdata(struct ssb_device *dev)
 295 {
 296         return dev->drvdata;
 297 }
 298
 299 /* Devicetype specific user data. This is per device-type (not per device) */
 300 void ssb_set_devtypedata(struct ssb_device *dev, void *data);
 301 static inline
 302 void * ssb_get_devtypedata(struct ssb_device *dev)
 303 {
 304         return dev->devtypedata;
 305 }
 306
 307
 308 struct ssb_driver {
 309         const char *name;
 310         const struct ssb_device_id *id_table;
 311
 312         int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
 313         void (*remove)(struct ssb_device *dev);
 314         int (*suspend)(struct ssb_device *dev, pm_message_t state);
 315         int (*resume)(struct ssb_device *dev);
 316         void (*shutdown)(struct ssb_device *dev);
 317
 318         struct device_driver drv;
 319 };
 320 #define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
 321
 322 extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
 323 #define ssb_driver_register(drv) \
 324         __ssb_driver_register(drv, THIS_MODULE)
 325
 326 extern void ssb_driver_unregister(struct ssb_driver *drv);
 327
 328
 329
 330
 331 enum ssb_bustype {
 332         SSB_BUSTYPE_SSB,        /* This SSB bus is the system bus */
 333         SSB_BUSTYPE_PCI,        /* SSB is connected to PCI bus */
 334         SSB_BUSTYPE_PCMCIA,     /* SSB is connected to PCMCIA bus */
 335         SSB_BUSTYPE_SDIO,       /* SSB is connected to SDIO bus */
 336 };
 337
 338 /* board_vendor */
 339 #define SSB_BOARDVENDOR_BCM     0x14E4  /* Broadcom */
 340 #define SSB_BOARDVENDOR_DELL    0x1028  /* Dell */
 341 #define SSB_BOARDVENDOR_HP      0x0E11  /* HP */
 342 /* board_type */
 343 #define SSB_BOARD_BCM94301CB    0x0406
 344 #define SSB_BOARD_BCM94301MP    0x0407
 345 #define SSB_BOARD_BU4309        0x040A
 346 #define SSB_BOARD_BCM94309CB    0x040B
 347 #define SSB_BOARD_BCM4309MP     0x040C
 348 #define SSB_BOARD_BU4306        0x0416
 349 #define SSB_BOARD_BCM94306MP    0x0418
 350 #define SSB_BOARD_BCM4309G      0x0421
 351 #define SSB_BOARD_BCM4306CB     0x0417
 352 #define SSB_BOARD_BCM94306PC    0x0425  /* pcmcia 3.3v 4306 card */
 353 #define SSB_BOARD_BCM94306CBSG  0x042B  /* with SiGe PA */
 354 #define SSB_BOARD_PCSG94306     0x042D  /* with SiGe PA */
 355 #define SSB_BOARD_BU4704SD      0x042E  /* with sdram */
 356 #define SSB_BOARD_BCM94704AGR   0x042F  /* dual 11a/11g Router */
 357 #define SSB_BOARD_BCM94308MP    0x0430  /* 11a-only minipci */
 358 #define SSB_BOARD_BU4318        0x0447
 359 #define SSB_BOARD_CB4318        0x0448
 360 #define SSB_BOARD_MPG4318       0x0449
 361 #define SSB_BOARD_MP4318        0x044A
 362 #define SSB_BOARD_SD4318        0x044B
 363 #define SSB_BOARD_BCM94306P     0x044C  /* with SiGe */
 364 #define SSB_BOARD_BCM94303MP    0x044E
 365 #define SSB_BOARD_BCM94306MPM   0x0450
 366 #define SSB_BOARD_BCM94306MPL   0x0453
 367 #define SSB_BOARD_PC4303        0x0454  /* pcmcia */
 368 #define SSB_BOARD_BCM94306MPLNA 0x0457
 369 #define SSB_BOARD_BCM94306MPH   0x045B
 370 #define SSB_BOARD_BCM94306PCIV  0x045C
 371 #define SSB_BOARD_BCM94318MPGH  0x0463
 372 #define SSB_BOARD_BU4311        0x0464
 373 #define SSB_BOARD_BCM94311MC    0x0465
 374 #define SSB_BOARD_BCM94311MCAG  0x0466
 375 /* 4321 boards */
 376 #define SSB_BOARD_BU4321        0x046B
 377 #define SSB_BOARD_BU4321E       0x047C
 378 #define SSB_BOARD_MP4321        0x046C
 379 #define SSB_BOARD_CB2_4321      0x046D
 380 #define SSB_BOARD_CB2_4321_AG   0x0066
 381 #define SSB_BOARD_MC4321        0x046E
 382 /* 4325 boards */
 383 #define SSB_BOARD_BCM94325DEVBU 0x0490
 384 #define SSB_BOARD_BCM94325BGABU 0x0491
 385 #define SSB_BOARD_BCM94325SDGWB 0x0492
 386 #define SSB_BOARD_BCM94325SDGMDL        0x04AA
 387 #define SSB_BOARD_BCM94325SDGMDL2       0x04C6
 388 #define SSB_BOARD_BCM94325SDGMDL3       0x04C9
 389 #define SSB_BOARD_BCM94325SDABGWBA      0x04E1
 390 /* 4322 boards */
 391 #define SSB_BOARD_BCM94322MC    0x04A4
 392 #define SSB_BOARD_BCM94322USB   0x04A8  /* dualband */
 393 #define SSB_BOARD_BCM94322HM    0x04B0
 394 #define SSB_BOARD_BCM94322USB2D 0x04Bf  /* single band discrete front end */
 395 /* 4312 boards */
 396 #define SSB_BOARD_BU4312        0x048A
 397 #define SSB_BOARD_BCM4312MCGSG  0x04B5
 398 /* chip_package */
 399 #define SSB_CHIPPACK_BCM4712S   1       /* Small 200pin 4712 */
 400 #define SSB_CHIPPACK_BCM4712M   2       /* Medium 225pin 4712 */
 401 #define SSB_CHIPPACK_BCM4712L   0       /* Large 340pin 4712 */
 402
 403 #include <linux/ssb/ssb_driver_chipcommon.h>
 404 #include <linux/ssb/ssb_driver_mips.h>
 405 #include <linux/ssb/ssb_driver_extif.h>
 406 #include <linux/ssb/ssb_driver_pci.h>
 407
 408 struct ssb_bus {
 409         /* The MMIO area. */
 410         void __iomem *mmio;
 411
 412         const struct ssb_bus_ops *ops;
 413
 414         /* The core currently mapped into the MMIO window.
 415          * Not valid on all host-buses. So don't use outside of SSB. */
 416         struct ssb_device *mapped_device;
 417         union {
 418                 /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
 419                 u8 mapped_pcmcia_seg;
 420                 /* Current SSB base address window for SDIO. */
 421                 u32 sdio_sbaddr;
 422         };
 423         /* Lock for core and segment switching.
 424          * On PCMCIA-host busses this is used to protect the whole MMIO access. */
 425         spinlock_t bar_lock;
 426
 427         /* The host-bus this backplane is running on. */
 428         enum ssb_bustype bustype;
 429         /* Pointers to the host-bus. Check bustype before using any of these pointers. */
 430         union {
 431                 /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
 432                 struct pci_dev *host_pci;
 433                 /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
 434                 struct pcmcia_device *host_pcmcia;
 435                 /* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
 436                 struct sdio_func *host_sdio;
 437         };
 438
 439         /* See enum ssb_quirks */
 440         unsigned int quirks;
 441
 442 #ifdef CONFIG_SSB_SPROM
 443         /* Mutex to protect the SPROM writing. */
 444         struct mutex sprom_mutex;
 445 #endif
 446
 447         /* ID information about the Chip. */
 448         u16 chip_id;
 449         u8 chip_rev;
 450         u16 sprom_offset;
 451         u16 sprom_size;         /* number of words in sprom */
 452         u8 chip_package;
 453
 454         /* List of devices (cores) on the backplane. */
 455         struct ssb_device devices[SSB_MAX_NR_CORES];
 456         u8 nr_devices;
 457
 458         /* Software ID number for this bus. */
 459         unsigned int busnumber;
 460
 461         /* The ChipCommon device (if available). */
 462         struct ssb_chipcommon chipco;
 463         /* The PCI-core device (if available). */
 464         struct ssb_pcicore pcicore;
 465         /* The MIPS-core device (if available). */
 466         struct ssb_mipscore mipscore;
 467         /* The EXTif-core device (if available). */
 468         struct ssb_extif extif;
 469
 470         /* The following structure elements are not available in early
 471          * SSB initialization. Though, they are available for regular
 472          * registered drivers at any stage. So be careful when
 473          * using them in the ssb core code. */
 474
 475         /* ID information about the PCB. */
 476         struct ssb_boardinfo boardinfo;
 477         /* Contents of the SPROM. */
 478         struct ssb_sprom sprom;
 479         /* If the board has a cardbus slot, this is set to true. */
 480         bool has_cardbus_slot;
 481
 482 #ifdef CONFIG_SSB_EMBEDDED
 483         /* Lock for GPIO register access. */
 484         spinlock_t gpio_lock;
 485         struct platform_device *watchdog;
 486 #endif /* EMBEDDED */
 487 #ifdef CONFIG_SSB_DRIVER_GPIO
 488         struct gpio_chip gpio;
 489 #endif /* DRIVER_GPIO */
 490
 491         /* Internal-only stuff follows. Do not touch. */
 492         struct list_head list;
 493 #ifdef CONFIG_SSB_DEBUG
 494         /* Is the bus already powered up? */
 495         bool powered_up;
 496         int power_warn_count;
 497 #endif /* DEBUG */
 498 };
 499
 500 enum ssb_quirks {
 501         /* SDIO connected card requires performing a read after writing a 32-bit value */
 502         SSB_QUIRK_SDIO_READ_AFTER_WRITE32       = (1 << 0),
 503 };
 504
 505 /* The initialization-invariants. */
 506 struct ssb_init_invariants {
 507         /* Versioning information about the PCB. */
 508         struct ssb_boardinfo boardinfo;
 509         /* The SPROM information. That's either stored in an
 510          * EEPROM or NVRAM on the board. */
 511         struct ssb_sprom sprom;
 512         /* If the board has a cardbus slot, this is set to true. */
 513         bool has_cardbus_slot;
 514 };
 515 /* Type of function to fetch the invariants. */
 516 typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
 517                                      struct ssb_init_invariants *iv);
 518
 519 /* Register a SSB system bus. get_invariants() is called after the
 520  * basic system devices are initialized.
 521  * The invariants are usually fetched from some NVRAM.
 522  * Put the invariants into the struct pointed to by iv. */
 523 extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
 524                                    unsigned long baseaddr,
 525                                    ssb_invariants_func_t get_invariants);
 526 #ifdef CONFIG_SSB_PCIHOST
 527 extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
 528                                    struct pci_dev *host_pci);
 529 #endif /* CONFIG_SSB_PCIHOST */
 530 #ifdef CONFIG_SSB_PCMCIAHOST
 531 extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
 532                                       struct pcmcia_device *pcmcia_dev,
 533                                       unsigned long baseaddr);
 534 #endif /* CONFIG_SSB_PCMCIAHOST */
 535 #ifdef CONFIG_SSB_SDIOHOST
 536 extern int ssb_bus_sdiobus_register(struct ssb_bus *bus,
 537                                     struct sdio_func *sdio_func,
 538                                     unsigned int quirks);
 539 #endif /* CONFIG_SSB_SDIOHOST */
 540
 541
 542 extern void ssb_bus_unregister(struct ssb_bus *bus);
 543
 544 /* Does the device have an SPROM? */
 545 extern bool ssb_is_sprom_available(struct ssb_bus *bus);
 546
 547 /* Set a fallback SPROM.
 548  * See kdoc at the function definition for complete documentation. */
 549 extern int ssb_arch_register_fallback_sprom(
 550                 int (*sprom_callback)(struct ssb_bus *bus,
 551                 struct ssb_sprom *out));
 552
 553 /* Suspend a SSB bus.
 554  * Call this from the parent bus suspend routine. */
 555 extern int ssb_bus_suspend(struct ssb_bus *bus);
 556 /* Resume a SSB bus.
 557  * Call this from the parent bus resume routine. */
 558 extern int ssb_bus_resume(struct ssb_bus *bus);
 559
 560 extern u32 ssb_clockspeed(struct ssb_bus *bus);
 561
 562 /* Is the device enabled in hardware? */
 563 int ssb_device_is_enabled(struct ssb_device *dev);
 564 /* Enable a device and pass device-specific SSB_TMSLOW flags.
 565  * If no device-specific flags are available, use 0. */
 566 void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
 567 /* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
 568 void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
 569
 570
 571 /* Device MMIO register read/write functions. */
 572 static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
 573 {
 574         return dev->ops->read8(dev, offset);
 575 }
 576 static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
 577 {
 578         return dev->ops->read16(dev, offset);
 579 }
 580 static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
 581 {
 582         return dev->ops->read32(dev, offset);
 583 }
 584 static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
 585 {
 586         dev->ops->write8(dev, offset, value);
 587 }
 588 static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
 589 {
 590         dev->ops->write16(dev, offset, value);
 591 }
 592 static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
 593 {
 594         dev->ops->write32(dev, offset, value);
 595 }
 596 #ifdef CONFIG_SSB_BLOCKIO
 597 static inline void ssb_block_read(struct ssb_device *dev, void *buffer,
 598                                   size_t count, u16 offset, u8 reg_width)
 599 {
 600         dev->ops->block_read(dev, buffer, count, offset, reg_width);
 601 }
 602
 603 static inline void ssb_block_write(struct ssb_device *dev, const void *buffer,
 604                                    size_t count, u16 offset, u8 reg_width)
 605 {
 606         dev->ops->block_write(dev, buffer, count, offset, reg_width);
 607 }
 608 #endif /* CONFIG_SSB_BLOCKIO */
 609
 610
 611 /* The SSB DMA API. Use this API for any DMA operation on the device.
 612  * This API basically is a wrapper that calls the correct DMA API for
 613  * the host device type the SSB device is attached to. */
 614
 615 /* Translation (routing) bits that need to be ORed to DMA
 616  * addresses before they are given to a device. */
 617 extern u32 ssb_dma_translation(struct ssb_device *dev);
 618 #define SSB_DMA_TRANSLATION_MASK        0xC0000000
 619 #define SSB_DMA_TRANSLATION_SHIFT       30
 620
 621 static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
 622 {
 623 #ifdef CONFIG_SSB_DEBUG
 624         printk(KERN_ERR "SSB: BUG! Calling DMA API for "
 625                "unsupported bustype %d\n", dev->bus->bustype);
 626 #endif /* DEBUG */
 627 }
 628
 629 #ifdef CONFIG_SSB_PCIHOST
 630 /* PCI-host wrapper driver */
 631 extern int ssb_pcihost_register(struct pci_driver *driver);
 632 static inline void ssb_pcihost_unregister(struct pci_driver *driver)
 633 {
 634         pci_unregister_driver(driver);
 635 }
 636
 637 static inline
 638 void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
 639 {
 640         if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
 641                 pci_set_power_state(sdev->bus->host_pci, state);
 642 }
 643 #else
 644 static inline void ssb_pcihost_unregister(struct pci_driver *driver)
 645 {
 646 }
 647
 648 static inline
 649 void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
 650 {
 651 }
 652 #endif /* CONFIG_SSB_PCIHOST */
 653
 654
 655 /* If a driver is shutdown or suspended, call this to signal
 656  * that the bus may be completely powered down. SSB will decide,
 657  * if it's really time to power down the bus, based on if there
 658  * are other devices that want to run. */
 659 extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
 660 /* Before initializing and enabling a device, call this to power-up the bus.
 661  * If you want to allow use of dynamic-power-control, pass the flag.
 662  * Otherwise static always-on powercontrol will be used. */
 663 extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
 664
 665 extern void ssb_commit_settings(struct ssb_bus *bus);
 666
 667 /* Various helper functions */
 668 extern u32 ssb_admatch_base(u32 adm);
 669 extern u32 ssb_admatch_size(u32 adm);
 670
 671 /* PCI device mapping and fixup routines.
 672  * Called from the architecture pcibios init code.
 673  * These are only available on SSB_EMBEDDED configurations. */
 674 #ifdef CONFIG_SSB_EMBEDDED
 675 int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
 676 int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 677 #endif /* CONFIG_SSB_EMBEDDED */
 678
 679 #endif /* LINUX_SSB_H_ */