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/*
* bfin_sport.h - interface to Blackfin SPORTs
*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_SPORT_H__
#define __BFIN_SPORT_H__
#include <linux/types.h>
#include <uapi/asm/bfin_sport.h>
/*
* All Blackfin system MMRs are padded to 32bits even if the register
* itself is only 16bits. So use a helper macro to streamline this.
*/
#define __BFP(m) u16 m; u16 __pad_##m
struct sport_register {
__BFP(tcr1);
__BFP(tcr2);
__BFP(tclkdiv);
__BFP(tfsdiv);
union {
u32 tx32;
u16 tx16;
};
u32 __pad_tx;
union {
u32 rx32; /* use the anomaly wrapper below */
u16 rx16;
};
u32 __pad_rx;
__BFP(rcr1);
__BFP(rcr2);
__BFP(rclkdiv);
__BFP(rfsdiv);
__BFP(stat);
__BFP(chnl);
__BFP(mcmc1);
__BFP(mcmc2);
u32 mtcs0;
u32 mtcs1;
u32 mtcs2;
u32 mtcs3;
u32 mrcs0;
u32 mrcs1;
u32 mrcs2;
u32 mrcs3;
};
#undef __BFP
struct bfin_snd_platform_data {
const unsigned short *pin_req;
};
#define bfin_read_sport_rx32(base) \
({ \
struct sport_register *__mmrs = (void *)base; \
u32 __ret; \
unsigned long flags; \
if (ANOMALY_05000473) \
local_irq_save(flags); \
__ret = __mmrs->rx32; \
if (ANOMALY_05000473) \
local_irq_restore(flags); \
__ret; \
})
#endif
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