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usr
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src
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linux-headers-6.8.0-36
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include
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linux
/
mmc
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drwxr-xr-x
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sdio_func.h
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/mmc/sdio_func.h * * Copyright 2007-2008 Pierre Ossman */ #ifndef LINUX_MMC_SDIO_FUNC_H #define LINUX_MMC_SDIO_FUNC_H #include <linux/device.h> #include <linux/mod_devicetable.h> #include <linux/mmc/pm.h> struct mmc_card; struct sdio_func; typedef void (sdio_irq_handler_t)(struct sdio_func *); /* * SDIO function CIS tuple (unknown to the core) */ struct sdio_func_tuple { struct sdio_func_tuple *next; unsigned char code; unsigned char size; unsigned char data[]; }; /* * SDIO function devices */ struct sdio_func { struct mmc_card *card; /* the card this device belongs to */ struct device dev; /* the device */ sdio_irq_handler_t *irq_handler; /* IRQ callback */ unsigned int num; /* function number */ unsigned char class; /* standard interface class */ unsigned short vendor; /* vendor id */ unsigned short device; /* device id */ unsigned max_blksize; /* maximum block size */ unsigned cur_blksize; /* current block size */ unsigned enable_timeout; /* max enable timeout in msec */ unsigned int state; /* function state */ #define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ u8 *tmpbuf; /* DMA:able scratch buffer */ u8 major_rev; /* major revision number */ u8 minor_rev; /* minor revision number */ unsigned num_info; /* number of info strings */ const char **info; /* info strings */ struct sdio_func_tuple *tuples; }; #define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT) #define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT) #define sdio_func_id(f) (dev_name(&(f)->dev)) #define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev) #define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d) #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev) /* * SDIO function device driver */ struct sdio_driver { char *name; const struct sdio_device_id *id_table; int (*probe)(struct sdio_func *, const struct sdio_device_id *); void (*remove)(struct sdio_func *); struct device_driver drv; }; /** * SDIO_DEVICE - macro used to describe a specific SDIO device * @vend: the 16 bit manufacturer code * @dev: the 16 bit function id * * This macro is used to create a struct sdio_device_id that matches a * specific device. The class field will be set to SDIO_ANY_ID. */ #define SDIO_DEVICE(vend,dev) \ .class = SDIO_ANY_ID, \ .vendor = (vend), .device = (dev) /** * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class * @dev_class: the 8 bit standard interface code * * This macro is used to create a struct sdio_device_id that matches a * specific standard SDIO function type. The vendor and device fields will * be set to SDIO_ANY_ID. */ #define SDIO_DEVICE_CLASS(dev_class) \ .class = (dev_class), \ .vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID extern int sdio_register_driver(struct sdio_driver *); extern void sdio_unregister_driver(struct sdio_driver *); /** * module_sdio_driver() - Helper macro for registering a SDIO driver * @__sdio_driver: sdio_driver struct * * Helper macro for SDIO drivers which do not do anything special in module * init/exit. This eliminates a lot of boilerplate. Each module may only * use this macro once, and calling it replaces module_init() and module_exit() */ #define module_sdio_driver(__sdio_driver) \ module_driver(__sdio_driver, sdio_register_driver, \ sdio_unregister_driver) /* * SDIO I/O operations */ extern void sdio_claim_host(struct sdio_func *func); extern void sdio_release_host(struct sdio_func *func); extern int sdio_enable_func(struct sdio_func *func); extern int sdio_disable_func(struct sdio_func *func); extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz); extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler); extern int sdio_release_irq(struct sdio_func *func); extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz); extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret); extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret); extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret); extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst, unsigned int addr, int count); extern int sdio_readsb(struct sdio_func *func, void *dst, unsigned int addr, int count); extern void sdio_writeb(struct sdio_func *func, u8 b, unsigned int addr, int *err_ret); extern void sdio_writew(struct sdio_func *func, u16 b, unsigned int addr, int *err_ret); extern void sdio_writel(struct sdio_func *func, u32 b, unsigned int addr, int *err_ret); extern u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte, unsigned int addr, int *err_ret); extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr, void *src, int count); extern int sdio_writesb(struct sdio_func *func, unsigned int addr, void *src, int count); extern unsigned char sdio_f0_readb(struct sdio_func *func, unsigned int addr, int *err_ret); extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, unsigned int addr, int *err_ret); extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func); extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags); extern void sdio_retune_crc_disable(struct sdio_func *func); extern void sdio_retune_crc_enable(struct sdio_func *func); extern void sdio_retune_hold_now(struct sdio_func *func); extern void sdio_retune_release(struct sdio_func *func); #endif /* LINUX_MMC_SDIO_FUNC_H */
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