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Release 4.7 include/linux/omap-gpmc.h

Directory: include/linux
/*
 *  OMAP GPMC (General Purpose Memory Controller) defines
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 */

#include <linux/platform_data/gpmc-omap.h>


#define GPMC_CONFIG_WP		0x00000005

/* IRQ numbers in GPMC IRQ domain for legacy boot use */

#define GPMC_IRQ_FIFOEVENTENABLE	0

#define GPMC_IRQ_COUNT_EVENT		1

/**
 * gpmc_nand_ops - Interface between NAND and GPMC
 * @nand_write_buffer_empty: get the NAND write buffer empty status.
 */

struct gpmc_nand_ops {
	
bool (*nand_writebuffer_empty)(void);
};

struct gpmc_nand_regs;

#if IS_ENABLED(CONFIG_OMAP_GPMC)
struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs,
					     int cs);
#else

static inline gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, int cs) { return NULL; }

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#endif /* CONFIG_OMAP_GPMC */ /*--------------------------------*/ /* deprecated APIs */ #if IS_ENABLED(CONFIG_OMAP_GPMC) void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs); #else
static inline void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) { }

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#endif /* CONFIG_OMAP_GPMC */ /*--------------------------------*/ extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, struct gpmc_settings *gpmc_s, struct gpmc_device_timings *dev_t); struct device_node; extern int gpmc_get_client_irq(unsigned irq_config); extern unsigned int gpmc_ticks_to_ns(unsigned int ticks); extern void gpmc_cs_write_reg(int cs, int idx, u32 val); extern int gpmc_calc_divider(unsigned int sync_clk); extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, const struct gpmc_settings *s); extern int gpmc_cs_program_settings(int cs, struct gpmc_settings *p); extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base); extern void gpmc_cs_free(int cs); extern int gpmc_configure(int cmd, int wval); extern void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p); extern void omap3_gpmc_save_context(void); extern void omap3_gpmc_restore_context(void); struct gpmc_timings; struct omap_nand_platform_data; struct omap_onenand_platform_data; #if IS_ENABLED(CONFIG_MTD_NAND_OMAP2) extern int gpmc_nand_init(struct omap_nand_platform_data *d, struct gpmc_timings *gpmc_t); #else
static inline int gpmc_nand_init(struct omap_nand_platform_data *d, struct gpmc_timings *gpmc_t) { return 0; }

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#endif #if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) extern void gpmc_onenand_init(struct omap_onenand_platform_data *d); #else #define board_onenand_data NULL
static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d) { }

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#endif

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Directory: include/linux
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