/*
* linux/arch/arm/mach-omap1/board-sx1-mmc.c
*
* Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
* Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
*
* This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
* Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
*
* 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.
*/
#include <asm/arch/hardware.h>
#include <asm/arch/mmc.h>
#include <asm/arch/gpio.h>
#ifdef CONFIG_MMC_OMAP
static int slot_cover_open;
static struct device *mmc_device;
static int sx1_mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
int err;
u8 dat = 0;
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
power_on ? "on" : "off", vdd);
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
if (err < 0)
return err;
if (power_on)
dat |= SOFIA_MMC_POWER;
else
dat &= ~SOFIA_MMC_POWER;
return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
static int sx1_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
{
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
return 0;
}
static int sx1_mmc_get_cover_state(struct device *dev, int slot)
{
BUG_ON(slot != 0);
return slot_cover_open;
}
void sx1_mmc_slot_cover_handler(void *arg, int state)
{
if (mmc_device == NULL)
return;
slot_cover_open = state;
omap_mmc_notify_cover_event(mmc_device, 0, state);
}
static int sx1_mmc_late_init(struct device *dev)
{
int ret = 0;
mmc_device = dev;
return ret;
}
static void sx1_mmc_cleanup(struct device *dev)
{
}
static struct omap_mmc_platform_data sx1_mmc_data = {
.nr_slots = 1,
.switch_slot = NULL,
.init = sx1_mmc_late_init,
.cleanup = sx1_mmc_cleanup,
.slots[0] = {
.set_power = sx1_mmc_set_power,
.set_bus_mode = sx1_mmc_set_bus_mode,
.get_ro = NULL,
.get_cover_state = sx1_mmc_get_cover_state,
.ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
MMC_VDD_32_33 | MMC_VDD_33_34,
.name = "mmcblk",
},
};
void __init sx1_mmc_init(void)
{
omap_set_mmc_info(1, &sx1_mmc_data);
}
#else
void __init sx1_mmc_init(void)
{
}
void sx1_mmc_slot_cover_handler(void *arg, int state)
{
}
#endif
