[linux-block.git] / include / linux / platform_data / dma-mmp_tdma.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  SRAM Memory Management
 *
 *  Copyright (c) 2011 Marvell Semiconductors Inc.
 */

#ifndef __DMA_MMP_TDMA_H
#define __DMA_MMP_TDMA_H

#include <linux/genalloc.h>

/* ARBITRARY:  SRAM allocations are multiples of this 2^N size */
#define SRAM_GRANULARITY	512

enum sram_type {
	MMP_SRAM_UNDEFINED = 0,
	MMP_ASRAM,
	MMP_ISRAM,
};

struct sram_platdata {
	char *pool_name;
	int granularity;
};

#ifdef CONFIG_MMP_SRAM
extern struct gen_pool *sram_get_gpool(char *pool_name);
#else
static inline struct gen_pool *sram_get_gpool(char *pool_name)
{
	return NULL;
}
#endif

#endif /* __DMA_MMP_TDMA_H */
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
3c7241bd	2	/*
3c7241bd LY	3	* SRAM Memory Management
	4	*
	5	* Copyright (c) 2011 Marvell Semiconductors Inc.
3c7241bd LY	6	*/
3c7241bd LY	7
61310a36 SK	8	#ifndef __DMA_MMP_TDMA_H
61310a36 SK	9	#define __DMA_MMP_TDMA_H
3c7241bd LY	10
	11	#include <linux/genalloc.h>
	12
	13	/* ARBITRARY: SRAM allocations are multiples of this 2^N size */
	14	#define SRAM_GRANULARITY 512
	15
	16	enum sram_type {
	17	MMP_SRAM_UNDEFINED = 0,
	18	MMP_ASRAM,
	19	MMP_ISRAM,
	20	};
	21
	22	struct sram_platdata {
	23	char *pool_name;
	24	int granularity;
	25	};
	26
93d05f1e	27	#ifdef CONFIG_MMP_SRAM
3c7241bd	28	extern struct gen_pool sram_get_gpool(char pool_name);
09aa8ac0 RH	29	#else
	30	static inline struct gen_pool sram_get_gpool(char pool_name)
	31	{
	32	return NULL;
	33	}
	34	#endif
3c7241bd	35
61310a36	36	#endif /* __DMA_MMP_TDMA_H */