From: Carlos Eduardo Aguiar <carlos.aguiar@xxxxxxxxxxx>
Use MMC multislot structures for Siemens SX1 board
Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@xxxxxxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap1/Makefile | 2 +-
arch/arm/mach-omap1/board-sx1-mmc.c | 124 +++++++++++++++++++++++++++++++++
arch/arm/mach-omap1/board-sx1.c | 17 +----
include/asm-arm/arch-omap/board-sx1.h | 9 ++-
4 files changed, 135 insertions(+), 17 deletions(-)
create mode 100644 arch/arm/mach-omap1/board-sx1-mmc.c
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 416a778..015a66b 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -26,7 +26,7 @@ obj-$(CONFIG_MACH_OMAP_PALMZ71) += board-palmz71.o
obj-$(CONFIG_MACH_OMAP_PALMTT) += board-palmtt.o
obj-$(CONFIG_MACH_NOKIA770) += board-nokia770.o
obj-$(CONFIG_MACH_AMS_DELTA) += board-ams-delta.o
-obj-$(CONFIG_MACH_SX1) += board-sx1.o
+obj-$(CONFIG_MACH_SX1) += board-sx1.o board-sx1-mmc.o
ifeq ($(CONFIG_ARCH_OMAP15XX),y)
# Innovator-1510 FPGA
diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c b/arch/arm/mach-omap1/board-sx1-mmc.c
new file mode 100644
index 0000000..45c2fbb
--- /dev/null
+++ b/arch/arm/mach-omap1/board-sx1-mmc.c
@@ -0,0 +1,124 @@
+/*
+ * linux/arch/arm/mach-omap1/board-sx1-mmc.c
+ *
+ * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
+ * Author: Carlos Eduardo Aguiar <carlos.aguiar@xxxxxxxxxxx>
+ *
+ * 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 = 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 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
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 2743d63..44c7baa 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -134,20 +134,7 @@ int sx1_setmmipower(u8 onoff)
dat &= ~SOFIA_MMILIGHT_POWER;
return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
-/* set MMC power on/off */
-int sx1_setmmcpower(u8 onoff)
-{
- int err;
- u8 dat = 0;
- err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
- if (err < 0)
- return err;
- if (onoff)
- dat |= SOFIA_MMC_POWER;
- else
- dat &= ~SOFIA_MMC_POWER;
- return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
-}
+
/* set USB power on/off */
int sx1_setusbpower(u8 onoff)
{
@@ -168,7 +155,6 @@ EXPORT_SYMBOL(sx1_getkeylight);
EXPORT_SYMBOL(sx1_setbacklight);
EXPORT_SYMBOL(sx1_getbacklight);
EXPORT_SYMBOL(sx1_setmmipower);
-EXPORT_SYMBOL(sx1_setmmcpower);
EXPORT_SYMBOL(sx1_setusbpower);
/*----------- Keypad -------------------------*/
@@ -454,6 +440,7 @@ static void __init omap_sx1_init(void)
omap_board_config = sx1_config;
omap_board_config_size = ARRAY_SIZE(sx1_config);
omap_serial_init();
+ sx1_mmc_init();
/* turn on USB power */
/* sx1_setusbpower(1); cant do it here because i2c is not ready */
diff --git a/include/asm-arm/arch-omap/board-sx1.h b/include/asm-arm/arch-omap/board-sx1.h
index 2bb8dd6..7773c26 100644
--- a/include/asm-arm/arch-omap/board-sx1.h
+++ b/include/asm-arm/arch-omap/board-sx1.h
@@ -41,6 +41,13 @@ int sx1_getkeylight(u8 *keylight);
int sx1_setmmipower(u8 onoff);
int sx1_setusbpower(u8 onoff);
-int sx1_setmmcpower(u8 onoff);
+
+int i2c_write_byte(u8 devaddr, u8 regoffset, u8 value);
+int i2c_read_byte(u8 devaddr, u8 regoffset, u8 * value);
+
+/* MMC prototypes */
+
+extern void __init sx1_mmc_init(void);
+extern void sx1_mmc_slot_cover_handler(void *arg, int state);
#endif /* __ASM_ARCH_SX1_I2C_CHIPS_H */
--
1.5.3.6
-
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