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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /include/linux/mmc/sdio_func.h | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip |
dirty fix to merging
Diffstat (limited to 'include/linux/mmc/sdio_func.h')
-rwxr-xr-x | include/linux/mmc/sdio_func.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h new file mode 100755 index 00000000..dc680c4b --- /dev/null +++ b/include/linux/mmc/sdio_func.h @@ -0,0 +1,174 @@ +/* + * include/linux/mmc/sdio_func.h + * + * Copyright 2007-2008 Pierre Ossman + * + * 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. + */ + +#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 *); + +/* + * Structure used to hold embedded SDIO device data from platform layer + */ +struct sdio_embedded_func { + uint8_t f_class; + uint32_t f_maxblksize; +}; + +/* + * 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[0]; +}; + +/* + * 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[4]; /* DMA:able scratch buffer */ + + 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; +}; + +#define to_sdio_driver(d) container_of(d, struct sdio_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 *); + +/* + * 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 u8 sdio_readb_ext(struct sdio_func *func, unsigned int addr, int *err_ret, + unsigned in); +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); + +#endif /* LINUX_MMC_SDIO_FUNC_H */ |