4 #include <linux/device.h>
5 #include <linux/list.h>
6 #include <linux/types.h>
7 #include <linux/spinlock.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/dma-mapping.h>
12 #include <linux/ssb/ssb_regs.h>
21 u8 il0mac
[6]; /* MAC address for 802.11b/g */
22 u8 et0mac
[6]; /* MAC address for Ethernet */
23 u8 et1mac
[6]; /* MAC address for 802.11a */
24 u8 et0phyaddr
; /* MII address for enet0 */
25 u8 et1phyaddr
; /* MII address for enet1 */
26 u8 et0mdcport
; /* MDIO for enet0 */
27 u8 et1mdcport
; /* MDIO for enet1 */
28 u8 board_rev
; /* Board revision number from SPROM. */
29 u8 country_code
; /* Country Code */
30 u16 leddc_on_time
; /* LED Powersave Duty Cycle On Count */
31 u16 leddc_off_time
; /* LED Powersave Duty Cycle Off Count */
32 u8 ant_available_a
; /* 2GHz antenna available bits (up to 4) */
33 u8 ant_available_bg
; /* 5GHz antenna available bits (up to 4) */
46 u8 gpio0
; /* GPIO pin 0 */
47 u8 gpio1
; /* GPIO pin 1 */
48 u8 gpio2
; /* GPIO pin 2 */
49 u8 gpio3
; /* GPIO pin 3 */
50 u16 maxpwr_bg
; /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */
51 u16 maxpwr_al
; /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */
52 u16 maxpwr_a
; /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */
53 u16 maxpwr_ah
; /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */
54 u8 itssi_a
; /* Idle TSSI Target for A-PHY */
55 u8 itssi_bg
; /* Idle TSSI Target for B/G-PHY */
56 u8 tri2g
; /* 2.4GHz TX isolation */
57 u8 tri5gl
; /* 5.2GHz TX isolation */
58 u8 tri5g
; /* 5.3GHz TX isolation */
59 u8 tri5gh
; /* 5.8GHz TX isolation */
60 u8 txpid2g
[4]; /* 2GHz TX power index */
61 u8 txpid5gl
[4]; /* 4.9 - 5.1GHz TX power index */
62 u8 txpid5g
[4]; /* 5.1 - 5.5GHz TX power index */
63 u8 txpid5gh
[4]; /* 5.5 - ...GHz TX power index */
64 u8 rxpo2g
; /* 2GHz RX power offset */
65 u8 rxpo5g
; /* 5GHz RX power offset */
66 u8 rssisav2g
; /* 2GHz RSSI params */
69 u8 bxa2g
; /* 2GHz BX arch */
70 u8 rssisav5g
; /* 5GHz RSSI params */
73 u8 bxa5g
; /* 5GHz BX arch */
74 u16 cck2gpo
; /* CCK power offset */
75 u32 ofdm2gpo
; /* 2.4GHz OFDM power offset */
76 u32 ofdm5glpo
; /* 5.2GHz OFDM power offset */
77 u32 ofdm5gpo
; /* 5.3GHz OFDM power offset */
78 u32 ofdm5ghpo
; /* 5.8GHz OFDM power offset */
79 u16 boardflags_lo
; /* Board flags (bits 0-15) */
80 u16 boardflags_hi
; /* Board flags (bits 16-31) */
81 u16 boardflags2_lo
; /* Board flags (bits 32-47) */
82 u16 boardflags2_hi
; /* Board flags (bits 48-63) */
83 /* TODO store board flags in a single u64 */
85 /* Antenna gain values for up to 4 antennas
86 * on each band. Values in dBm/4 (Q5.2). Negative gain means the
87 * loss in the connectors is bigger than the gain. */
91 } ghz24
; /* 2.4GHz band */
94 } ghz5
; /* 5GHz band */
97 /* TODO - add any parameters needed from rev 2, 3, 4, 5 or 8 SPROMs */
100 /* Information about the PCB the circuitry is soldered on. */
101 struct ssb_boardinfo
{
109 /* Lowlevel read/write operations on the device MMIO.
110 * Internal, don't use that outside of ssb. */
112 u8 (*read8
)(struct ssb_device
*dev
, u16 offset
);
113 u16 (*read16
)(struct ssb_device
*dev
, u16 offset
);
114 u32 (*read32
)(struct ssb_device
*dev
, u16 offset
);
115 void (*write8
)(struct ssb_device
*dev
, u16 offset
, u8 value
);
116 void (*write16
)(struct ssb_device
*dev
, u16 offset
, u16 value
);
117 void (*write32
)(struct ssb_device
*dev
, u16 offset
, u32 value
);
118 #ifdef CONFIG_SSB_BLOCKIO
119 void (*block_read
)(struct ssb_device
*dev
, void *buffer
,
120 size_t count
, u16 offset
, u8 reg_width
);
121 void (*block_write
)(struct ssb_device
*dev
, const void *buffer
,
122 size_t count
, u16 offset
, u8 reg_width
);
127 /* Core-ID values. */
128 #define SSB_DEV_CHIPCOMMON 0x800
129 #define SSB_DEV_ILINE20 0x801
130 #define SSB_DEV_SDRAM 0x803
131 #define SSB_DEV_PCI 0x804
132 #define SSB_DEV_MIPS 0x805
133 #define SSB_DEV_ETHERNET 0x806
134 #define SSB_DEV_V90 0x807
135 #define SSB_DEV_USB11_HOSTDEV 0x808
136 #define SSB_DEV_ADSL 0x809
137 #define SSB_DEV_ILINE100 0x80A
138 #define SSB_DEV_IPSEC 0x80B
139 #define SSB_DEV_PCMCIA 0x80D
140 #define SSB_DEV_INTERNAL_MEM 0x80E
141 #define SSB_DEV_MEMC_SDRAM 0x80F
142 #define SSB_DEV_EXTIF 0x811
143 #define SSB_DEV_80211 0x812
144 #define SSB_DEV_MIPS_3302 0x816
145 #define SSB_DEV_USB11_HOST 0x817
146 #define SSB_DEV_USB11_DEV 0x818
147 #define SSB_DEV_USB20_HOST 0x819
148 #define SSB_DEV_USB20_DEV 0x81A
149 #define SSB_DEV_SDIO_HOST 0x81B
150 #define SSB_DEV_ROBOSWITCH 0x81C
151 #define SSB_DEV_PARA_ATA 0x81D
152 #define SSB_DEV_SATA_XORDMA 0x81E
153 #define SSB_DEV_ETHERNET_GBIT 0x81F
154 #define SSB_DEV_PCIE 0x820
155 #define SSB_DEV_MIMO_PHY 0x821
156 #define SSB_DEV_SRAM_CTRLR 0x822
157 #define SSB_DEV_MINI_MACPHY 0x823
158 #define SSB_DEV_ARM_1176 0x824
159 #define SSB_DEV_ARM_7TDMI 0x825
161 /* Vendor-ID values */
162 #define SSB_VENDOR_BROADCOM 0x4243
164 /* Some kernel subsystems poke with dev->drvdata, so we must use the
165 * following ugly workaround to get from struct device to struct ssb_device */
166 struct __ssb_dev_wrapper
{
168 struct ssb_device
*sdev
;
172 /* Having a copy of the ops pointer in each dev struct
173 * is an optimization. */
174 const struct ssb_bus_ops
*ops
;
176 struct device
*dev
, *dma_dev
;
179 struct ssb_device_id id
;
184 /* Internal-only stuff follows. */
185 void *drvdata
; /* Per-device data */
186 void *devtypedata
; /* Per-devicetype (eg 802.11) data */
189 /* Go from struct device to struct ssb_device. */
191 struct ssb_device
* dev_to_ssb_dev(struct device
*dev
)
193 struct __ssb_dev_wrapper
*wrap
;
194 wrap
= container_of(dev
, struct __ssb_dev_wrapper
, dev
);
198 /* Device specific user data */
200 void ssb_set_drvdata(struct ssb_device
*dev
, void *data
)
205 void * ssb_get_drvdata(struct ssb_device
*dev
)
210 /* Devicetype specific user data. This is per device-type (not per device) */
211 void ssb_set_devtypedata(struct ssb_device
*dev
, void *data
);
213 void * ssb_get_devtypedata(struct ssb_device
*dev
)
215 return dev
->devtypedata
;
221 const struct ssb_device_id
*id_table
;
223 int (*probe
)(struct ssb_device
*dev
, const struct ssb_device_id
*id
);
224 void (*remove
)(struct ssb_device
*dev
);
225 int (*suspend
)(struct ssb_device
*dev
, pm_message_t state
);
226 int (*resume
)(struct ssb_device
*dev
);
227 void (*shutdown
)(struct ssb_device
*dev
);
229 struct device_driver drv
;
231 #define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
233 extern int __ssb_driver_register(struct ssb_driver
*drv
, struct module
*owner
);
234 #define ssb_driver_register(drv) \
235 __ssb_driver_register(drv, THIS_MODULE)
237 extern void ssb_driver_unregister(struct ssb_driver
*drv
);
243 SSB_BUSTYPE_SSB
, /* This SSB bus is the system bus */
244 SSB_BUSTYPE_PCI
, /* SSB is connected to PCI bus */
245 SSB_BUSTYPE_PCMCIA
, /* SSB is connected to PCMCIA bus */
246 SSB_BUSTYPE_SDIO
, /* SSB is connected to SDIO bus */
250 #define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */
251 #define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */
252 #define SSB_BOARDVENDOR_HP 0x0E11 /* HP */
254 #define SSB_BOARD_BCM94306MP 0x0418
255 #define SSB_BOARD_BCM4309G 0x0421
256 #define SSB_BOARD_BCM4306CB 0x0417
257 #define SSB_BOARD_BCM4309MP 0x040C
258 #define SSB_BOARD_MP4318 0x044A
259 #define SSB_BOARD_BU4306 0x0416
260 #define SSB_BOARD_BU4309 0x040A
262 #define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */
263 #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
264 #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
266 #include <linux/ssb/ssb_driver_chipcommon.h>
267 #include <linux/ssb/ssb_driver_mips.h>
268 #include <linux/ssb/ssb_driver_extif.h>
269 #include <linux/ssb/ssb_driver_pci.h>
275 const struct ssb_bus_ops
*ops
;
277 /* The core currently mapped into the MMIO window.
278 * Not valid on all host-buses. So don't use outside of SSB. */
279 struct ssb_device
*mapped_device
;
281 /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
282 u8 mapped_pcmcia_seg
;
283 /* Current SSB base address window for SDIO. */
286 /* Lock for core and segment switching.
287 * On PCMCIA-host busses this is used to protect the whole MMIO access. */
290 /* The host-bus this backplane is running on. */
291 enum ssb_bustype bustype
;
292 /* Pointers to the host-bus. Check bustype before using any of these pointers. */
294 /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
295 struct pci_dev
*host_pci
;
296 /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
297 struct pcmcia_device
*host_pcmcia
;
298 /* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
299 struct sdio_func
*host_sdio
;
302 /* See enum ssb_quirks */
305 #ifdef CONFIG_SSB_SPROM
306 /* Mutex to protect the SPROM writing. */
307 struct mutex sprom_mutex
;
310 /* ID information about the Chip. */
314 u16 sprom_size
; /* number of words in sprom */
317 /* List of devices (cores) on the backplane. */
318 struct ssb_device devices
[SSB_MAX_NR_CORES
];
321 /* Software ID number for this bus. */
322 unsigned int busnumber
;
324 /* The ChipCommon device (if available). */
325 struct ssb_chipcommon chipco
;
326 /* The PCI-core device (if available). */
327 struct ssb_pcicore pcicore
;
328 /* The MIPS-core device (if available). */
329 struct ssb_mipscore mipscore
;
330 /* The EXTif-core device (if available). */
331 struct ssb_extif extif
;
333 /* The following structure elements are not available in early
334 * SSB initialization. Though, they are available for regular
335 * registered drivers at any stage. So be careful when
336 * using them in the ssb core code. */
338 /* ID information about the PCB. */
339 struct ssb_boardinfo boardinfo
;
340 /* Contents of the SPROM. */
341 struct ssb_sprom sprom
;
342 /* If the board has a cardbus slot, this is set to true. */
343 bool has_cardbus_slot
;
345 #ifdef CONFIG_SSB_EMBEDDED
346 /* Lock for GPIO register access. */
347 spinlock_t gpio_lock
;
348 #endif /* EMBEDDED */
350 /* Internal-only stuff follows. Do not touch. */
351 struct list_head list
;
352 #ifdef CONFIG_SSB_DEBUG
353 /* Is the bus already powered up? */
355 int power_warn_count
;
360 /* SDIO connected card requires performing a read after writing a 32-bit value */
361 SSB_QUIRK_SDIO_READ_AFTER_WRITE32
= (1 << 0),
364 /* The initialization-invariants. */
365 struct ssb_init_invariants
{
366 /* Versioning information about the PCB. */
367 struct ssb_boardinfo boardinfo
;
368 /* The SPROM information. That's either stored in an
369 * EEPROM or NVRAM on the board. */
370 struct ssb_sprom sprom
;
371 /* If the board has a cardbus slot, this is set to true. */
372 bool has_cardbus_slot
;
374 /* Type of function to fetch the invariants. */
375 typedef int (*ssb_invariants_func_t
)(struct ssb_bus
*bus
,
376 struct ssb_init_invariants
*iv
);
378 /* Register a SSB system bus. get_invariants() is called after the
379 * basic system devices are initialized.
380 * The invariants are usually fetched from some NVRAM.
381 * Put the invariants into the struct pointed to by iv. */
382 extern int ssb_bus_ssbbus_register(struct ssb_bus
*bus
,
383 unsigned long baseaddr
,
384 ssb_invariants_func_t get_invariants
);
385 #ifdef CONFIG_SSB_PCIHOST
386 extern int ssb_bus_pcibus_register(struct ssb_bus
*bus
,
387 struct pci_dev
*host_pci
);
388 #endif /* CONFIG_SSB_PCIHOST */
389 #ifdef CONFIG_SSB_PCMCIAHOST
390 extern int ssb_bus_pcmciabus_register(struct ssb_bus
*bus
,
391 struct pcmcia_device
*pcmcia_dev
,
392 unsigned long baseaddr
);
393 #endif /* CONFIG_SSB_PCMCIAHOST */
394 #ifdef CONFIG_SSB_SDIOHOST
395 extern int ssb_bus_sdiobus_register(struct ssb_bus
*bus
,
396 struct sdio_func
*sdio_func
,
397 unsigned int quirks
);
398 #endif /* CONFIG_SSB_SDIOHOST */
401 extern void ssb_bus_unregister(struct ssb_bus
*bus
);
403 /* Does the device have an SPROM? */
404 extern bool ssb_is_sprom_available(struct ssb_bus
*bus
);
406 /* Set a fallback SPROM.
407 * See kdoc at the function definition for complete documentation. */
408 extern int ssb_arch_register_fallback_sprom(
409 int (*sprom_callback
)(struct ssb_bus
*bus
,
410 struct ssb_sprom
*out
));
412 /* Suspend a SSB bus.
413 * Call this from the parent bus suspend routine. */
414 extern int ssb_bus_suspend(struct ssb_bus
*bus
);
416 * Call this from the parent bus resume routine. */
417 extern int ssb_bus_resume(struct ssb_bus
*bus
);
419 extern u32
ssb_clockspeed(struct ssb_bus
*bus
);
421 /* Is the device enabled in hardware? */
422 int ssb_device_is_enabled(struct ssb_device
*dev
);
423 /* Enable a device and pass device-specific SSB_TMSLOW flags.
424 * If no device-specific flags are available, use 0. */
425 void ssb_device_enable(struct ssb_device
*dev
, u32 core_specific_flags
);
426 /* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
427 void ssb_device_disable(struct ssb_device
*dev
, u32 core_specific_flags
);
430 /* Device MMIO register read/write functions. */
431 static inline u8
ssb_read8(struct ssb_device
*dev
, u16 offset
)
433 return dev
->ops
->read8(dev
, offset
);
435 static inline u16
ssb_read16(struct ssb_device
*dev
, u16 offset
)
437 return dev
->ops
->read16(dev
, offset
);
439 static inline u32
ssb_read32(struct ssb_device
*dev
, u16 offset
)
441 return dev
->ops
->read32(dev
, offset
);
443 static inline void ssb_write8(struct ssb_device
*dev
, u16 offset
, u8 value
)
445 dev
->ops
->write8(dev
, offset
, value
);
447 static inline void ssb_write16(struct ssb_device
*dev
, u16 offset
, u16 value
)
449 dev
->ops
->write16(dev
, offset
, value
);
451 static inline void ssb_write32(struct ssb_device
*dev
, u16 offset
, u32 value
)
453 dev
->ops
->write32(dev
, offset
, value
);
455 #ifdef CONFIG_SSB_BLOCKIO
456 static inline void ssb_block_read(struct ssb_device
*dev
, void *buffer
,
457 size_t count
, u16 offset
, u8 reg_width
)
459 dev
->ops
->block_read(dev
, buffer
, count
, offset
, reg_width
);
462 static inline void ssb_block_write(struct ssb_device
*dev
, const void *buffer
,
463 size_t count
, u16 offset
, u8 reg_width
)
465 dev
->ops
->block_write(dev
, buffer
, count
, offset
, reg_width
);
467 #endif /* CONFIG_SSB_BLOCKIO */
470 /* The SSB DMA API. Use this API for any DMA operation on the device.
471 * This API basically is a wrapper that calls the correct DMA API for
472 * the host device type the SSB device is attached to. */
474 /* Translation (routing) bits that need to be ORed to DMA
475 * addresses before they are given to a device. */
476 extern u32
ssb_dma_translation(struct ssb_device
*dev
);
477 #define SSB_DMA_TRANSLATION_MASK 0xC0000000
478 #define SSB_DMA_TRANSLATION_SHIFT 30
480 static inline void __cold
__ssb_dma_not_implemented(struct ssb_device
*dev
)
482 #ifdef CONFIG_SSB_DEBUG
483 printk(KERN_ERR
"SSB: BUG! Calling DMA API for "
484 "unsupported bustype %d\n", dev
->bus
->bustype
);
488 #ifdef CONFIG_SSB_PCIHOST
489 /* PCI-host wrapper driver */
490 extern int ssb_pcihost_register(struct pci_driver
*driver
);
491 static inline void ssb_pcihost_unregister(struct pci_driver
*driver
)
493 pci_unregister_driver(driver
);
497 void ssb_pcihost_set_power_state(struct ssb_device
*sdev
, pci_power_t state
)
499 if (sdev
->bus
->bustype
== SSB_BUSTYPE_PCI
)
500 pci_set_power_state(sdev
->bus
->host_pci
, state
);
503 static inline void ssb_pcihost_unregister(struct pci_driver
*driver
)
508 void ssb_pcihost_set_power_state(struct ssb_device
*sdev
, pci_power_t state
)
511 #endif /* CONFIG_SSB_PCIHOST */
514 /* If a driver is shutdown or suspended, call this to signal
515 * that the bus may be completely powered down. SSB will decide,
516 * if it's really time to power down the bus, based on if there
517 * are other devices that want to run. */
518 extern int ssb_bus_may_powerdown(struct ssb_bus
*bus
);
519 /* Before initializing and enabling a device, call this to power-up the bus.
520 * If you want to allow use of dynamic-power-control, pass the flag.
521 * Otherwise static always-on powercontrol will be used. */
522 extern int ssb_bus_powerup(struct ssb_bus
*bus
, bool dynamic_pctl
);
524 extern void ssb_commit_settings(struct ssb_bus
*bus
);
526 /* Various helper functions */
527 extern u32
ssb_admatch_base(u32 adm
);
528 extern u32
ssb_admatch_size(u32 adm
);
530 /* PCI device mapping and fixup routines.
531 * Called from the architecture pcibios init code.
532 * These are only available on SSB_EMBEDDED configurations. */
533 #ifdef CONFIG_SSB_EMBEDDED
534 int ssb_pcibios_plat_dev_init(struct pci_dev
*dev
);
535 int ssb_pcibios_map_irq(const struct pci_dev
*dev
, u8 slot
, u8 pin
);
536 #endif /* CONFIG_SSB_EMBEDDED */
538 #endif /* LINUX_SSB_H_ */