linux/mtd/onenand.h

86 struct onenand_chip {  struct
87 	void __iomem		*base;
88 	unsigned		dies;
89 	unsigned		boundary[MAX_DIES];
90 	loff_t			diesize[MAX_DIES];
91 	unsigned int		chipsize;
92 	unsigned int		device_id;
93 	unsigned int		version_id;
94 	unsigned int		technology;
95 	unsigned int		density_mask;
96 	unsigned int		options;
98 	unsigned int		erase_shift;
99 	unsigned int		page_shift;
100 	unsigned int		page_mask;
101 	unsigned int		writesize;
103 	unsigned int		bufferram_index;
104 	struct onenand_bufferram	bufferram[MAX_BUFFERRAM];
106 	int (*command)(struct mtd_info *mtd, int cmd, loff_t address, size_t len);
107 	int (*wait)(struct mtd_info *mtd, int state);
108 	int (*bbt_wait)(struct mtd_info *mtd, int state);
109 	void (*unlock_all)(struct mtd_info *mtd);
110 	int (*read_bufferram)(struct mtd_info *mtd, int area,
112 	int (*write_bufferram)(struct mtd_info *mtd, int area,
114 	unsigned short (*read_word)(void __iomem *addr);
115 	void (*write_word)(unsigned short value, void __iomem *addr);
116 	void (*mmcontrol)(struct mtd_info *mtd, int sync_read);
117 	int (*chip_probe)(struct mtd_info *mtd);
118 	int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
119 	int (*scan_bbt)(struct mtd_info *mtd);
120 	int (*enable)(struct mtd_info *mtd);
121 	int (*disable)(struct mtd_info *mtd);
123 	struct completion	complete;
124 	int			irq;
126 	spinlock_t		chip_lock;
127 	wait_queue_head_t	wq;
128 	flstate_t		state;
129 	unsigned char		*page_buf;
130 	unsigned char		*oob_buf;
132 	unsigned char		*verify_buf;
135 	int			subpagesize;
137 	void			*bbm;
139 	void			*priv;
147 	unsigned int		ongoing;