summaryrefslogblamecommitdiff
path: root/include/linux/platform_data/dma-mmp_tdma.h
blob: 422d4504dbacd78f0f76beaef86043a3527fc9cc (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
  









                                                                        

                        
















                                                                 
                      
                                                        





                                                              
 
                             
/*
 *  SRAM Memory Management
 *
 *  Copyright (c) 2011 Marvell Semiconductors Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 */

#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 */