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
15struct pcmcia_device;
16struct ssb_bus;
17struct ssb_driver;
18
19struct ssb_sprom {
20 u8 revision;
21 u8 il0mac[6];
22 u8 et0mac[6];
23 u8 et1mac[6];
24 u8 et0phyaddr;
25 u8 et1phyaddr;
26 u8 et0mdcport;
27 u8 et1mdcport;
28 u8 board_rev;
29 u8 country_code;
30 u8 ant_available_a;
31 u8 ant_available_bg;
32 u16 pa0b0;
33 u16 pa0b1;
34 u16 pa0b2;
35 u16 pa1b0;
36 u16 pa1b1;
37 u16 pa1b2;
38 u16 pa1lob0;
39 u16 pa1lob1;
40 u16 pa1lob2;
41 u16 pa1hib0;
42 u16 pa1hib1;
43 u16 pa1hib2;
44 u8 gpio0;
45 u8 gpio1;
46 u8 gpio2;
47 u8 gpio3;
48 u16 maxpwr_bg;
49 u16 maxpwr_al;
50 u16 maxpwr_a;
51 u16 maxpwr_ah;
52 u8 itssi_a;
53 u8 itssi_bg;
54 u8 tri2g;
55 u8 tri5gl;
56 u8 tri5g;
57 u8 tri5gh;
58 u8 rxpo2g;
59 u8 rxpo5g;
60 u8 rssisav2g;
61 u8 rssismc2g;
62 u8 rssismf2g;
63 u8 bxa2g;
64 u8 rssisav5g;
65 u8 rssismc5g;
66 u8 rssismf5g;
67 u8 bxa5g;
68 u16 cck2gpo;
69 u32 ofdm2gpo;
70 u32 ofdm5glpo;
71 u32 ofdm5gpo;
72 u32 ofdm5ghpo;
73 u16 boardflags_lo;
74 u16 boardflags_hi;
75 u16 boardflags2_lo;
76 u16 boardflags2_hi;
77
78
79
80
81
82 struct {
83 struct {
84 s8 a0, a1, a2, a3;
85 } ghz24;
86 struct {
87 s8 a0, a1, a2, a3;
88 } ghz5;
89 } antenna_gain;
90
91
92};
93
94
95struct ssb_boardinfo {
96 u16 vendor;
97 u16 type;
98 u16 rev;
99};
100
101
102struct ssb_device;
103
104
105struct ssb_bus_ops {
106 u8 (*read8)(struct ssb_device *dev, u16 offset);
107 u16 (*read16)(struct ssb_device *dev, u16 offset);
108 u32 (*read32)(struct ssb_device *dev, u16 offset);
109 void (*write8)(struct ssb_device *dev, u16 offset, u8 value);
110 void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
111 void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
112#ifdef CONFIG_SSB_BLOCKIO
113 void (*block_read)(struct ssb_device *dev, void *buffer,
114 size_t count, u16 offset, u8 reg_width);
115 void (*block_write)(struct ssb_device *dev, const void *buffer,
116 size_t count, u16 offset, u8 reg_width);
117#endif
118};
119
120
121
122#define SSB_DEV_CHIPCOMMON 0x800
123#define SSB_DEV_ILINE20 0x801
124#define SSB_DEV_SDRAM 0x803
125#define SSB_DEV_PCI 0x804
126#define SSB_DEV_MIPS 0x805
127#define SSB_DEV_ETHERNET 0x806
128#define SSB_DEV_V90 0x807
129#define SSB_DEV_USB11_HOSTDEV 0x808
130#define SSB_DEV_ADSL 0x809
131#define SSB_DEV_ILINE100 0x80A
132#define SSB_DEV_IPSEC 0x80B
133#define SSB_DEV_PCMCIA 0x80D
134#define SSB_DEV_INTERNAL_MEM 0x80E
135#define SSB_DEV_MEMC_SDRAM 0x80F
136#define SSB_DEV_EXTIF 0x811
137#define SSB_DEV_80211 0x812
138#define SSB_DEV_MIPS_3302 0x816
139#define SSB_DEV_USB11_HOST 0x817
140#define SSB_DEV_USB11_DEV 0x818
141#define SSB_DEV_USB20_HOST 0x819
142#define SSB_DEV_USB20_DEV 0x81A
143#define SSB_DEV_SDIO_HOST 0x81B
144#define SSB_DEV_ROBOSWITCH 0x81C
145#define SSB_DEV_PARA_ATA 0x81D
146#define SSB_DEV_SATA_XORDMA 0x81E
147#define SSB_DEV_ETHERNET_GBIT 0x81F
148#define SSB_DEV_PCIE 0x820
149#define SSB_DEV_MIMO_PHY 0x821
150#define SSB_DEV_SRAM_CTRLR 0x822
151#define SSB_DEV_MINI_MACPHY 0x823
152#define SSB_DEV_ARM_1176 0x824
153#define SSB_DEV_ARM_7TDMI 0x825
154
155
156#define SSB_VENDOR_BROADCOM 0x4243
157
158
159
160struct __ssb_dev_wrapper {
161 struct device dev;
162 struct ssb_device *sdev;
163};
164
165struct ssb_device {
166
167
168 const struct ssb_bus_ops *ops;
169
170 struct device *dev;
171
172 struct ssb_bus *bus;
173 struct ssb_device_id id;
174
175 u8 core_index;
176 unsigned int irq;
177
178
179 void *drvdata;
180 void *devtypedata;
181};
182
183
184static inline
185struct ssb_device * dev_to_ssb_dev(struct device *dev)
186{
187 struct __ssb_dev_wrapper *wrap;
188 wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
189 return wrap->sdev;
190}
191
192
193static inline
194void ssb_set_drvdata(struct ssb_device *dev, void *data)
195{
196 dev->drvdata = data;
197}
198static inline
199void * ssb_get_drvdata(struct ssb_device *dev)
200{
201 return dev->drvdata;
202}
203
204
205void ssb_set_devtypedata(struct ssb_device *dev, void *data);
206static inline
207void * ssb_get_devtypedata(struct ssb_device *dev)
208{
209 return dev->devtypedata;
210}
211
212
213struct ssb_driver {
214 const char *name;
215 const struct ssb_device_id *id_table;
216
217 int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
218 void (*remove)(struct ssb_device *dev);
219 int (*suspend)(struct ssb_device *dev, pm_message_t state);
220 int (*resume)(struct ssb_device *dev);
221 void (*shutdown)(struct ssb_device *dev);
222
223 struct device_driver drv;
224};
225#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
226
227extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
228static inline int ssb_driver_register(struct ssb_driver *drv)
229{
230 return __ssb_driver_register(drv, THIS_MODULE);
231}
232extern void ssb_driver_unregister(struct ssb_driver *drv);
233
234
235
236
237enum ssb_bustype {
238 SSB_BUSTYPE_SSB,
239 SSB_BUSTYPE_PCI,
240 SSB_BUSTYPE_PCMCIA,
241 SSB_BUSTYPE_SDIO,
242};
243
244
245#define SSB_BOARDVENDOR_BCM 0x14E4
246#define SSB_BOARDVENDOR_DELL 0x1028
247#define SSB_BOARDVENDOR_HP 0x0E11
248
249#define SSB_BOARD_BCM94306MP 0x0418
250#define SSB_BOARD_BCM4309G 0x0421
251#define SSB_BOARD_BCM4306CB 0x0417
252#define SSB_BOARD_BCM4309MP 0x040C
253#define SSB_BOARD_MP4318 0x044A
254#define SSB_BOARD_BU4306 0x0416
255#define SSB_BOARD_BU4309 0x040A
256
257#define SSB_CHIPPACK_BCM4712S 1
258#define SSB_CHIPPACK_BCM4712M 2
259#define SSB_CHIPPACK_BCM4712L 0
260
261#include <linux/ssb/ssb_driver_chipcommon.h>
262#include <linux/ssb/ssb_driver_mips.h>
263#include <linux/ssb/ssb_driver_extif.h>
264#include <linux/ssb/ssb_driver_pci.h>
265
266struct ssb_bus {
267
268 void __iomem *mmio;
269
270 const struct ssb_bus_ops *ops;
271
272
273 struct ssb_device *mapped_device;
274 union {
275
276 u8 mapped_pcmcia_seg;
277
278 u32 sdio_sbaddr;
279 };
280
281
282 spinlock_t bar_lock;
283
284
285 enum ssb_bustype bustype;
286
287 struct pci_dev *host_pci;
288
289 struct pcmcia_device *host_pcmcia;
290
291 struct sdio_func *host_sdio;
292
293
294 unsigned int quirks;
295
296#ifdef CONFIG_SSB_SPROM
297
298 struct mutex sprom_mutex;
299#endif
300
301
302 u16 chip_id;
303 u16 chip_rev;
304 u16 sprom_size;
305 u8 chip_package;
306
307
308 struct ssb_device devices[SSB_MAX_NR_CORES];
309 u8 nr_devices;
310
311
312 unsigned int busnumber;
313
314
315 struct ssb_chipcommon chipco;
316
317 struct ssb_pcicore pcicore;
318
319 struct ssb_mipscore mipscore;
320
321 struct ssb_extif extif;
322
323
324
325
326
327
328
329 struct ssb_boardinfo boardinfo;
330
331 struct ssb_sprom sprom;
332
333 bool has_cardbus_slot;
334
335#ifdef CONFIG_SSB_EMBEDDED
336
337 spinlock_t gpio_lock;
338#endif
339
340
341 struct list_head list;
342#ifdef CONFIG_SSB_DEBUG
343
344 bool powered_up;
345 int power_warn_count;
346#endif
347};
348
349enum ssb_quirks {
350
351 SSB_QUIRK_SDIO_READ_AFTER_WRITE32 = (1 << 0),
352};
353
354
355struct ssb_init_invariants {
356
357 struct ssb_boardinfo boardinfo;
358
359
360 struct ssb_sprom sprom;
361
362 bool has_cardbus_slot;
363};
364
365typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
366 struct ssb_init_invariants *iv);
367
368
369
370
371
372extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
373 unsigned long baseaddr,
374 ssb_invariants_func_t get_invariants);
375#ifdef CONFIG_SSB_PCIHOST
376extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
377 struct pci_dev *host_pci);
378#endif
379#ifdef CONFIG_SSB_PCMCIAHOST
380extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
381 struct pcmcia_device *pcmcia_dev,
382 unsigned long baseaddr);
383#endif
384#ifdef CONFIG_SSB_SDIOHOST
385extern int ssb_bus_sdiobus_register(struct ssb_bus *bus,
386 struct sdio_func *sdio_func,
387 unsigned int quirks);
388#endif
389
390
391extern void ssb_bus_unregister(struct ssb_bus *bus);
392
393
394
395extern int ssb_arch_set_fallback_sprom(const struct ssb_sprom *sprom);
396
397
398
399extern int ssb_bus_suspend(struct ssb_bus *bus);
400
401
402extern int ssb_bus_resume(struct ssb_bus *bus);
403
404extern u32 ssb_clockspeed(struct ssb_bus *bus);
405
406
407int ssb_device_is_enabled(struct ssb_device *dev);
408
409
410void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
411
412void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
413
414
415
416static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
417{
418 return dev->ops->read8(dev, offset);
419}
420static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
421{
422 return dev->ops->read16(dev, offset);
423}
424static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
425{
426 return dev->ops->read32(dev, offset);
427}
428static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
429{
430 dev->ops->write8(dev, offset, value);
431}
432static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
433{
434 dev->ops->write16(dev, offset, value);
435}
436static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
437{
438 dev->ops->write32(dev, offset, value);
439}
440#ifdef CONFIG_SSB_BLOCKIO
441static inline void ssb_block_read(struct ssb_device *dev, void *buffer,
442 size_t count, u16 offset, u8 reg_width)
443{
444 dev->ops->block_read(dev, buffer, count, offset, reg_width);
445}
446
447static inline void ssb_block_write(struct ssb_device *dev, const void *buffer,
448 size_t count, u16 offset, u8 reg_width)
449{
450 dev->ops->block_write(dev, buffer, count, offset, reg_width);
451}
452#endif
453
454
455
456
457
458
459
460
461extern u32 ssb_dma_translation(struct ssb_device *dev);
462#define SSB_DMA_TRANSLATION_MASK 0xC0000000
463#define SSB_DMA_TRANSLATION_SHIFT 30
464
465extern int ssb_dma_set_mask(struct ssb_device *dev, u64 mask);
466
467extern void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size,
468 dma_addr_t *dma_handle, gfp_t gfp_flags);
469extern void ssb_dma_free_consistent(struct ssb_device *dev, size_t size,
470 void *vaddr, dma_addr_t dma_handle,
471 gfp_t gfp_flags);
472
473static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
474{
475#ifdef CONFIG_SSB_DEBUG
476 printk(KERN_ERR "SSB: BUG! Calling DMA API for "
477 "unsupported bustype %d\n", dev->bus->bustype);
478#endif
479}
480
481static inline int ssb_dma_mapping_error(struct ssb_device *dev, dma_addr_t addr)
482{
483 switch (dev->bus->bustype) {
484 case SSB_BUSTYPE_PCI:
485#ifdef CONFIG_SSB_PCIHOST
486 return pci_dma_mapping_error(dev->bus->host_pci, addr);
487#endif
488 break;
489 case SSB_BUSTYPE_SSB:
490 return dma_mapping_error(dev->dev, addr);
491 default:
492 break;
493 }
494 __ssb_dma_not_implemented(dev);
495 return -ENOSYS;
496}
497
498static inline dma_addr_t ssb_dma_map_single(struct ssb_device *dev, void *p,
499 size_t size, enum dma_data_direction dir)
500{
501 switch (dev->bus->bustype) {
502 case SSB_BUSTYPE_PCI:
503#ifdef CONFIG_SSB_PCIHOST
504 return pci_map_single(dev->bus->host_pci, p, size, dir);
505#endif
506 break;
507 case SSB_BUSTYPE_SSB:
508 return dma_map_single(dev->dev, p, size, dir);
509 default:
510 break;
511 }
512 __ssb_dma_not_implemented(dev);
513 return 0;
514}
515
516static inline void ssb_dma_unmap_single(struct ssb_device *dev, dma_addr_t dma_addr,
517 size_t size, enum dma_data_direction dir)
518{
519 switch (dev->bus->bustype) {
520 case SSB_BUSTYPE_PCI:
521#ifdef CONFIG_SSB_PCIHOST
522 pci_unmap_single(dev->bus->host_pci, dma_addr, size, dir);
523 return;
524#endif
525 break;
526 case SSB_BUSTYPE_SSB:
527 dma_unmap_single(dev->dev, dma_addr, size, dir);
528 return;
529 default:
530 break;
531 }
532 __ssb_dma_not_implemented(dev);
533}
534
535static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev,
536 dma_addr_t dma_addr,
537 size_t size,
538 enum dma_data_direction dir)
539{
540 switch (dev->bus->bustype) {
541 case SSB_BUSTYPE_PCI:
542#ifdef CONFIG_SSB_PCIHOST
543 pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
544 size, dir);
545 return;
546#endif
547 break;
548 case SSB_BUSTYPE_SSB:
549 dma_sync_single_for_cpu(dev->dev, dma_addr, size, dir);
550 return;
551 default:
552 break;
553 }
554 __ssb_dma_not_implemented(dev);
555}
556
557static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev,
558 dma_addr_t dma_addr,
559 size_t size,
560 enum dma_data_direction dir)
561{
562 switch (dev->bus->bustype) {
563 case SSB_BUSTYPE_PCI:
564#ifdef CONFIG_SSB_PCIHOST
565 pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
566 size, dir);
567 return;
568#endif
569 break;
570 case SSB_BUSTYPE_SSB:
571 dma_sync_single_for_device(dev->dev, dma_addr, size, dir);
572 return;
573 default:
574 break;
575 }
576 __ssb_dma_not_implemented(dev);
577}
578
579static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev,
580 dma_addr_t dma_addr,
581 unsigned long offset,
582 size_t size,
583 enum dma_data_direction dir)
584{
585 switch (dev->bus->bustype) {
586 case SSB_BUSTYPE_PCI:
587#ifdef CONFIG_SSB_PCIHOST
588
589 pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
590 offset + size, dir);
591 return;
592#endif
593 break;
594 case SSB_BUSTYPE_SSB:
595 dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset,
596 size, dir);
597 return;
598 default:
599 break;
600 }
601 __ssb_dma_not_implemented(dev);
602}
603
604static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev,
605 dma_addr_t dma_addr,
606 unsigned long offset,
607 size_t size,
608 enum dma_data_direction dir)
609{
610 switch (dev->bus->bustype) {
611 case SSB_BUSTYPE_PCI:
612#ifdef CONFIG_SSB_PCIHOST
613
614 pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
615 offset + size, dir);
616 return;
617#endif
618 break;
619 case SSB_BUSTYPE_SSB:
620 dma_sync_single_range_for_device(dev->dev, dma_addr, offset,
621 size, dir);
622 return;
623 default:
624 break;
625 }
626 __ssb_dma_not_implemented(dev);
627}
628
629
630#ifdef CONFIG_SSB_PCIHOST
631
632extern int ssb_pcihost_register(struct pci_driver *driver);
633static inline void ssb_pcihost_unregister(struct pci_driver *driver)
634{
635 pci_unregister_driver(driver);
636}
637
638static inline
639void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
640{
641 if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
642 pci_set_power_state(sdev->bus->host_pci, state);
643}
644#else
645static inline void ssb_pcihost_unregister(struct pci_driver *driver)
646{
647}
648
649static inline
650void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
651{
652}
653#endif
654
655
656
657
658
659
660extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
661
662
663
664extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
665
666
667
668extern u32 ssb_admatch_base(u32 adm);
669extern u32 ssb_admatch_size(u32 adm);
670
671
672
673
674#ifdef CONFIG_SSB_EMBEDDED
675int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
676int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
677#endif
678
679#endif
680