122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/* $NetBSD: sdmmcchip.h,v 1.4 2011/05/18 01:07:17 dyoung Exp $ */
|
|
/* $OpenBSD: sdmmcchip.h,v 1.3 2007/05/31 10:09:01 uwe Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _SDMMC_CHIP_H_
|
|
#define _SDMMC_CHIP_H_
|
|
|
|
#include <sys/device.h>
|
|
|
|
#include <sys/bus.h>
|
|
|
|
struct sdmmc_command;
|
|
|
|
typedef struct sdmmc_chip_functions *sdmmc_chipset_tag_t;
|
|
typedef struct sdmmc_spi_chip_functions *sdmmc_spi_chipset_tag_t;
|
|
typedef void *sdmmc_chipset_handle_t;
|
|
|
|
struct sdmmc_chip_functions {
|
|
/* host controller reset */
|
|
int (*host_reset)(sdmmc_chipset_handle_t);
|
|
|
|
/* host capabilities */
|
|
uint32_t (*host_ocr)(sdmmc_chipset_handle_t);
|
|
int (*host_maxblklen)(sdmmc_chipset_handle_t);
|
|
|
|
/* card detection */
|
|
int (*card_detect)(sdmmc_chipset_handle_t);
|
|
|
|
/* write protect */
|
|
int (*write_protect)(sdmmc_chipset_handle_t);
|
|
|
|
/* bus power, clock frequency, width and ROD(OpenDrain/PushPull) */
|
|
int (*bus_power)(sdmmc_chipset_handle_t, uint32_t);
|
|
int (*bus_clock)(sdmmc_chipset_handle_t, int);
|
|
int (*bus_width)(sdmmc_chipset_handle_t, int);
|
|
int (*bus_rod)(sdmmc_chipset_handle_t, int);
|
|
|
|
/* command execution */
|
|
void (*exec_command)(sdmmc_chipset_handle_t,
|
|
struct sdmmc_command *);
|
|
|
|
/* card interrupt */
|
|
void (*card_enable_intr)(sdmmc_chipset_handle_t, int);
|
|
void (*card_intr_ack)(sdmmc_chipset_handle_t);
|
|
};
|
|
|
|
/* host controller reset */
|
|
#define sdmmc_chip_host_reset(tag, handle) \
|
|
((tag)->host_reset((handle)))
|
|
/* host capabilities */
|
|
#define sdmmc_chip_host_ocr(tag, handle) \
|
|
((tag)->host_ocr((handle)))
|
|
#define sdmmc_chip_host_maxblklen(tag, handle) \
|
|
((tag)->host_maxblklen((handle)))
|
|
/* card detection */
|
|
#define sdmmc_chip_card_detect(tag, handle) \
|
|
((tag)->card_detect((handle)))
|
|
/* write protect */
|
|
#define sdmmc_chip_write_protect(tag, handle) \
|
|
((tag)->write_protect((handle)))
|
|
/* bus power, clock frequency, width and rod */
|
|
#define sdmmc_chip_bus_power(tag, handle, ocr) \
|
|
((tag)->bus_power((handle), (ocr)))
|
|
#define sdmmc_chip_bus_clock(tag, handle, freq) \
|
|
((tag)->bus_clock((handle), (freq)))
|
|
#define sdmmc_chip_bus_width(tag, handle, width) \
|
|
((tag)->bus_width((handle), (width)))
|
|
#define sdmmc_chip_bus_rod(tag, handle, width) \
|
|
((tag)->bus_rod((handle), (width)))
|
|
/* command execution */
|
|
#define sdmmc_chip_exec_command(tag, handle, cmdp) \
|
|
((tag)->exec_command((handle), (cmdp)))
|
|
/* card interrupt */
|
|
#define sdmmc_chip_card_enable_intr(tag, handle, enable) \
|
|
((tag)->card_enable_intr((handle), (enable)))
|
|
#define sdmmc_chip_card_intr_ack(tag, handle) \
|
|
((tag)->card_intr_ack((handle)))
|
|
|
|
/* clock frequencies for sdmmc_chip_bus_clock() */
|
|
#define SDMMC_SDCLK_OFF 0
|
|
#define SDMMC_SDCLK_400K 400
|
|
|
|
/* SPI mode */
|
|
struct sdmmc_spi_chip_functions {
|
|
/* card initialize */
|
|
void (*initialize)(sdmmc_chipset_handle_t);
|
|
};
|
|
#define sdmmc_spi_chip_initialize(tag, handle) \
|
|
((tag)->initialize((handle)))
|
|
|
|
struct sdmmcbus_attach_args {
|
|
const char *saa_busname;
|
|
sdmmc_chipset_tag_t saa_sct;
|
|
sdmmc_spi_chipset_tag_t saa_spi_sct;
|
|
sdmmc_chipset_handle_t saa_sch;
|
|
bus_dma_tag_t saa_dmat;
|
|
u_int saa_clkmin;
|
|
u_int saa_clkmax;
|
|
uint32_t saa_caps; /* see sdmmc_softc.sc_caps */
|
|
};
|
|
|
|
void sdmmc_needs_discover(device_t);
|
|
void sdmmc_card_intr(device_t);
|
|
void sdmmc_delay(u_int);
|
|
|
|
#endif /* _SDMMC_CHIP_H_ */
|