forked from Minki/linux
22113efd00
Some old MMC devices fail with the 4/8 bits the driver tries to use exclusively. This patch adds a test for the given bus setup and falls back to the lower bit mode (until 1-bit mode) when the test fails. [Major rework and refactoring by tiwai] [Quirk addition and many fixes by prakity] Signed-off-by: Aries Lee <arieslee@jmicron.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Philip Rakity <prakity@marvell.com> Tested-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/*
|
|
* linux/drivers/mmc/core/mmc_ops.h
|
|
*
|
|
* Copyright 2006-2007 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 _MMC_MMC_OPS_H
|
|
#define _MMC_MMC_OPS_H
|
|
|
|
int mmc_select_card(struct mmc_card *card);
|
|
int mmc_deselect_cards(struct mmc_host *host);
|
|
int mmc_go_idle(struct mmc_host *host);
|
|
int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
|
|
int mmc_all_send_cid(struct mmc_host *host, u32 *cid);
|
|
int mmc_set_relative_addr(struct mmc_card *card);
|
|
int mmc_send_csd(struct mmc_card *card, u32 *csd);
|
|
int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd);
|
|
int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value);
|
|
int mmc_send_status(struct mmc_card *card, u32 *status);
|
|
int mmc_send_cid(struct mmc_host *host, u32 *cid);
|
|
int mmc_spi_read_ocr(struct mmc_host *host, int highcap, u32 *ocrp);
|
|
int mmc_spi_set_crc(struct mmc_host *host, int use_crc);
|
|
int mmc_card_sleepawake(struct mmc_host *host, int sleep);
|
|
int mmc_bus_test(struct mmc_card *card, u8 bus_width);
|
|
|
|
#endif
|
|
|