0 *l4( (  fB- `_I|+/* SPDX-License-Identifier: GPL-2.0 */ /* * Filename: cfag12864b.h * Version: 0.1.0 * Description: cfag12864b LCD driver header * * Author: Copyright (C) Miguel Ojeda * Date: 2006-10-12 */ #ifndef _CFAG12864B_H_ #define _CFAG12864B_H_ #define CFAG12864B_WIDTH (128) #define CFAG12864B_HEIGHT (64) #define CFAG12864B_CONTROLLERS (2) #define CFAG12864B_PAGES (8) #define CFAG12864B_ADDRESSES (64) #define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \ (CFAG12864B_PAGES) * \ (CFAG12864B_ADDRESSES)) /* * The driver will blit this buffer to the LCD * * Its size is CFAG12864B_SIZE. */ extern unsigned char * cfag12864b_buffer; /* * Get the refresh rate of the LCD * * Returns the refresh rate (hertz). */ extern unsigned int cfag12864b_getrate(void); /* * Enable refreshing * * Returns 0 if successful (anyone was using it), * or != 0 if failed (someone is using it). */ extern unsigned char cfag12864b_enable(void); /* * Disable refreshing * * You should call this only when you finish using the LCD. */ extern void cfag12864b_disable(void); /* * Is enabled refreshing? (is anyone using the module?) * * Returns 0 if refreshing is not enabled (anyone is using it), * or != 0 if refreshing is enabled (someone is using it). * * Useful for buffer read-only modules. */ extern unsigned char cfag12864b_isenabled(void); /* * Is the module inited? */ extern unsigned char cfag12864b_isinited(void); #endif /* _CFAG12864B_H_ */  uZ&/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/mtd/onenand.h * * Copyright © 2005-2009 Samsung Electronics * Kyungmin Park */ #ifndef __LINUX_MTD_ONENAND_H #define __LINUX_MTD_ONENAND_H #include #include #include #include #include #define MAX_DIES 2 #define MAX_BUFFERRAM 2 /* Scan and identify a OneNAND device */ extern int onenand_scan(struct mtd_info *mtd, int max_chips); /* Free resources held by the OneNAND device */ extern void onenand_release(struct mtd_info *mtd); /** * struct onenand_bufferram - OneNAND BufferRAM Data * @blockpage: block & page address in BufferRAM */ struct onenand_bufferram { int blockpage; }; /** * struct onenand_chip - OneNAND Private Flash Chip Data * @base: [BOARDSPECIFIC] address to access OneNAND * @dies: [INTERN][FLEX-ONENAND] number of dies on chip * @boundary: [INTERN][FLEX-ONENAND] Boundary of the dies * @diesize: [INTERN][FLEX-ONENAND] Size of the dies * @chipsize: [INTERN] the size of one chip for multichip arrays * FIXME For Flex-OneNAND, chipsize holds maximum possible * device size ie when all blocks are considered MLC * @device_id: [INTERN] device ID * @density_mask: chip density, used for DDP devices * @verstion_id: [INTERN] version ID * @options: [BOARDSPECIFIC] various chip options. They can * partly be set to inform onenand_scan about * @erase_shift: [INTERN] number of address bits in a block * @page_shift: [INTERN] number of address bits in a page * @page_mask: [INTERN] a page per block mask * @writesize: [INTERN] a real page size * @bufferram_index: [INTERN] BufferRAM index * @bufferram: [INTERN] BufferRAM info * @readw: [REPLACEABLE] hardware specific function for read short * @writew: [REPLACEABLE] hardware specific function for write short * @command: [REPLACEABLE] hardware specific function for writing * commands to the chip * @wait: [REPLACEABLE] hardware specific function for wait on ready * @bbt_wait: [REPLACEABLE] hardware specific function for bbt wait on ready * @unlock_all: [REPLACEABLE] hardware specific function for unlock all * @read_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area * @write_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area * @read_word: [REPLACEABLE] hardware specific function for read * register