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ssb: Implement SDIO host bus support

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Add support for communicating with a Sonics Silicon Backplane through a
SDIO interface, as found in the Nintendo Wii WLAN daughter card.

The Nintendo Wii WLAN card includes a custom Broadcom 4318 chip with
a SDIO host interface.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Albert Herranz
2009-09-08 19:30:12 +02:00
committed by John W. Linville
parent f020979d5d
commit 24ea602e18
7 changed files with 756 additions and 3 deletions
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40
drivers/ssb/ssb_private.h
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@@ -114,6 +114,46 @@ static inline int ssb_pcmcia_init(struct ssb_bus *bus)
}
#endif /* CONFIG_SSB_PCMCIAHOST */
/* sdio.c */
#ifdef CONFIG_SSB_SDIOHOST
extern int ssb_sdio_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv);
extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
extern int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev);
extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
extern int ssb_sdio_hardware_setup(struct ssb_bus *bus);
extern void ssb_sdio_exit(struct ssb_bus *bus);
extern int ssb_sdio_init(struct ssb_bus *bus);
extern const struct ssb_bus_ops ssb_sdio_ops;
#else /* CONFIG_SSB_SDIOHOST */
static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset)
{
return 0;
}
static inline int ssb_sdio_switch_core(struct ssb_bus *bus,
struct ssb_device *dev)
{
return 0;
}
static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
{
return 0;
}
static inline int ssb_sdio_hardware_setup(struct ssb_bus *bus)
{
return 0;
}
static inline void ssb_sdio_exit(struct ssb_bus *bus)
{
}
static inline int ssb_sdio_init(struct ssb_bus *bus)
{
return 0;
}
#endif /* CONFIG_SSB_SDIOHOST */
/* scan.c */
extern const char *ssb_core_name(u16 coreid);