[linux-2.6-block.git] / arch / blackfin / include / asm / bfin_sport.h

/*
 * 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
Commit	Line	Data
1394f032	1	/*
3630ac34	2	* bfin_sport.h - interface to Blackfin SPORTs
1394f032	3	*
3630ac34	4	* Copyright 2004-2009 Analog Devices Inc.
1394f032	5	*
fb7b75ab	6	* Licensed under the GPL-2 or later.
1394f032	7	*/
1394f032 BW	8	#ifndef __BFIN_SPORT_H__
	9	#define __BFIN_SPORT_H__
	10
fb7b75ab	11
3630ac34	12	#include <linux/types.h>
2ba36450	13	#include <uapi/asm/bfin_sport.h>
1394f032	14
3630ac34 MF	15	/*
	16	* All Blackfin system MMRs are padded to 32bits even if the register
	17	* itself is only 16bits. So use a helper macro to streamline this.
	18	*/
	19	#define __BFP(m) u16 m; u16 __pad_##m
	20	struct sport_register {
	21	__BFP(tcr1);
	22	__BFP(tcr2);
	23	__BFP(tclkdiv);
	24	__BFP(tfsdiv);
	25	union {
	26	u32 tx32;
	27	u16 tx16;
	28	};
	29	u32 __pad_tx;
	30	union {
	31	u32 rx32; /* use the anomaly wrapper below */
	32	u16 rx16;
	33	};
	34	u32 __pad_rx;
	35	__BFP(rcr1);
	36	__BFP(rcr2);
	37	__BFP(rclkdiv);
	38	__BFP(rfsdiv);
	39	__BFP(stat);
	40	__BFP(chnl);
	41	__BFP(mcmc1);
	42	__BFP(mcmc2);
	43	u32 mtcs0;
	44	u32 mtcs1;
	45	u32 mtcs2;
	46	u32 mtcs3;
	47	u32 mrcs0;
	48	u32 mrcs1;
	49	u32 mrcs2;
	50	u32 mrcs3;
1394f032	51	};
3630ac34 MF	52	#undef __BFP
3630ac34 MF	53
6f53dbbb SJ	54	struct bfin_snd_platform_data {
	55	const unsigned short *pin_req;
	56	};
	57
3630ac34 MF	58	#define bfin_read_sport_rx32(base) \
	59	({ \
	60	struct sport_register __mmrs = (void )base; \
	61	u32 __ret; \
	62	unsigned long flags; \
	63	if (ANOMALY_05000473) \
	64	local_irq_save(flags); \
	65	__ret = __mmrs->rx32; \
	66	if (ANOMALY_05000473) \
	67	local_irq_restore(flags); \
	68	__ret; \
	69	})
1394f032	70
fb7b75ab	71	#endif