| /* |
| * linux/drivers/mmc/core/core.h |
| * |
| * Copyright (C) 2003 Russell King, All Rights Reserved. |
| * Copyright 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 version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #ifndef _MMC_CORE_CORE_H |
| #define _MMC_CORE_CORE_H |
| |
| #include <linux/delay.h> |
| |
| #define MMC_CMD_RETRIES 3 |
| |
| struct mmc_bus_ops { |
| int (*awake)(struct mmc_host *); |
| int (*sleep)(struct mmc_host *); |
| void (*remove)(struct mmc_host *); |
| void (*detect)(struct mmc_host *); |
| int (*suspend)(struct mmc_host *); |
| int (*resume)(struct mmc_host *); |
| int (*power_save)(struct mmc_host *); |
| int (*power_restore)(struct mmc_host *); |
| int (*alive)(struct mmc_host *); |
| int (*change_bus_speed)(struct mmc_host *, unsigned long *); |
| }; |
| |
| void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); |
| void mmc_detach_bus(struct mmc_host *host); |
| |
| void mmc_init_erase(struct mmc_card *card); |
| |
| void mmc_power_up(struct mmc_host *host); |
| void mmc_power_off(struct mmc_host *host); |
| void mmc_set_chip_select(struct mmc_host *host, int mode); |
| void mmc_set_clock(struct mmc_host *host, unsigned int hz); |
| void mmc_gate_clock(struct mmc_host *host); |
| void mmc_ungate_clock(struct mmc_host *host); |
| void mmc_set_ungated(struct mmc_host *host); |
| void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode); |
| void mmc_set_bus_width(struct mmc_host *host, unsigned int width); |
| u32 mmc_select_voltage(struct mmc_host *host, u32 ocr); |
| int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, |
| bool cmd11); |
| void mmc_set_timing(struct mmc_host *host, unsigned int timing); |
| void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type); |
| void mmc_power_off(struct mmc_host *host); |
| |
| static inline void mmc_delay(unsigned int ms) |
| { |
| if (ms < 1000 / HZ) { |
| cond_resched(); |
| mdelay(ms); |
| } else if (ms < jiffies_to_msecs(2)) { |
| usleep_range(ms * 1000, (ms + 1) * 1000); |
| } else { |
| msleep(ms); |
| } |
| } |
| |
| void mmc_rescan(struct work_struct *work); |
| void mmc_start_host(struct mmc_host *host); |
| void mmc_stop_host(struct mmc_host *host); |
| |
| int _mmc_detect_card_removed(struct mmc_host *host); |
| |
| int mmc_attach_mmc(struct mmc_host *host); |
| int mmc_attach_sd(struct mmc_host *host); |
| int mmc_attach_sdio(struct mmc_host *host); |
| |
| /* Module parameters */ |
| extern bool use_spi_crc; |
| |
| /* Debugfs information for hosts and cards */ |
| void mmc_add_host_debugfs(struct mmc_host *host); |
| void mmc_remove_host_debugfs(struct mmc_host *host); |
| |
| void mmc_add_card_debugfs(struct mmc_card *card); |
| void mmc_remove_card_debugfs(struct mmc_card *card); |
| |
| extern void mmc_disable_clk_scaling(struct mmc_host *host); |
| extern bool mmc_can_scale_clk(struct mmc_host *host); |
| extern void mmc_init_clk_scaling(struct mmc_host *host); |
| extern void mmc_exit_clk_scaling(struct mmc_host *host); |
| extern void mmc_reset_clk_scale_stats(struct mmc_host *host); |
| extern unsigned long mmc_get_max_frequency(struct mmc_host *host); |
| void mmc_init_context_info(struct mmc_host *host); |
| #endif |