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/*

 * $Id: pmc551.h,v 1.6 2005/11/07 11:14:55 gleixner Exp $

 *

 * PMC551 PCI Mezzanine Ram Device

 *

 * Author:

 *       Mark Ferrell

 *       Copyright 1999,2000 Nortel Networks

 *

 * License:

 *       As part of this driver was derrived from the slram.c driver it falls

 *       under the same license, which is GNU General Public License v2

 */

#ifndef __MTD_PMC551_H__

#define __MTD_PMC551_H__

#include <linux/mtd/mtd.h>

#define PMC551_VERSION "$Id: pmc551.h,v 1.6 2005/11/07 11:14:55 gleixner Exp $\n"\

       "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n"

/*

 * Our personal and private information

 */

struct mypriv {

        struct pci_dev *dev;

        u_char *start;

        u32    base_map0;

        u32    curr_map0;

        u32    asize;

        struct mtd_info *nextpmc551;

};

/*

 * Function Prototypes

 */

static int pmc551_erase(struct mtd_info *, struct erase_info *);

static void pmc551_unpoint(struct mtd_info *, u_char *, loff_t, size_t);

static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);

static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);

static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);

/*

 * Define the PCI ID's if the kernel doesn't define them for us

 */

#ifndef PCI_VENDOR_ID_V3_SEMI

#define PCI_VENDOR_ID_V3_SEMI             0x11b0

#endif

#ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC

#define PCI_DEVICE_ID_V3_SEMI_V370PDC     0x0200

#endif

#define PMC551_PCI_MEM_MAP0     0x50

#define PMC551_PCI_MEM_MAP1     0x54

#define PMC551_PCI_MEM_MAP_MAP_ADDR_MASK        0x3ff00000

#define PMC551_PCI_MEM_MAP_APERTURE_MASK        0x000000f0

#define PMC551_PCI_MEM_MAP_REG_EN               0x00000002

#define PMC551_PCI_MEM_MAP_ENABLE               0x00000001

#define PMC551_SDRAM_MA         0x60

#define PMC551_SDRAM_CMD        0x62

#define PMC551_DRAM_CFG         0x64

#define PMC551_SYS_CTRL_REG     0x78

#define PMC551_DRAM_BLK0        0x68

#define PMC551_DRAM_BLK1        0x6c

#define PMC551_DRAM_BLK2        0x70

#define PMC551_DRAM_BLK3        0x74

#define PMC551_DRAM_BLK_GET_SIZE(x) (524288<<((x>>4)&0x0f))

#define PMC551_DRAM_BLK_SET_COL_MUX(x,v) (((x) & ~0x00007000) | (((v) & 0x7) << 12))

#define PMC551_DRAM_BLK_SET_ROW_MUX(x,v) (((x) & ~0x00000f00) | (((v) & 0xf) << 8))

#endif /* __MTD_PMC551_H__ */