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