* Tony Lindgren <tony@xxxxxxxxxxx> [071217 21:58]:
> From: Carlos Eduardo Aguiar <carlos.aguiar@xxxxxxxxxxx>
>
> Use MMC multislot structures for Siemens SX1 board
Here's an updated version from Carlos with sx1_i2c_read
instead of i2c_read naming.
Tony
>From a3ca132c6db48401a6c36df7d530949fd26d5f0e Mon Sep 17 00:00:00 2001
From: Carlos Eduardo Aguiar <carlos.aguiar@xxxxxxxxxxx>
Date: Thu, 29 Nov 2007 13:52:53 -0400
Subject: [PATCH] ARM: OMAP1: Use MMC multislot structures for Siemens SX1 board
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
Index: linux-omap-2.6/arch/arm/mach-omap1/Makefile
===================================================================
--- linux-omap-2.6.orig/arch/arm/mach-omap1/Makefile 2008-01-14 15:57:13.000000000 -0800
+++ linux-omap-2.6/arch/arm/mach-omap1/Makefile 2008-01-14 15:57:14.000000000 -0800
@@ -26,7 +26,7 @@ obj-$(CONFIG_MACH_OMAP_PALMZ71) += boar
obj-$(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
Index: linux-omap-2.6/arch/arm/mach-omap1/board-sx1-mmc.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-omap-2.6/arch/arm/mach-omap1/board-sx1-mmc.c 2008-01-14 15:57:55.000000000 -0800
@@ -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 = 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
Index: linux-omap-2.6/arch/arm/mach-omap1/board-sx1.c
===================================================================
--- linux-omap-2.6.orig/arch/arm/mach-omap1/board-sx1.c 2008-01-11 13:54:53.000000000 -0800
+++ linux-omap-2.6/arch/arm/mach-omap1/board-sx1.c 2008-01-14 15:57:55.000000000 -0800
@@ -44,7 +44,7 @@
#include <asm/arch/keypad.h>
/* Write to I2C device */
-int i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
+int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
{
struct i2c_adapter *adap;
int err;
@@ -67,7 +67,7 @@ int i2c_write_byte(u8 devaddr, u8 regoff
}
/* Read from I2C device */
-int i2c_read_byte(u8 devaddr, u8 regoffset, u8 * value)
+int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
{
struct i2c_adapter *adap;
int err;
@@ -101,66 +101,55 @@ int sx1_setkeylight(u8 keylight)
{
if (keylight > SOFIA_MAX_LIGHT_VAL)
keylight = SOFIA_MAX_LIGHT_VAL;
- return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
+ return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}
/* get current keylight intensity */
int sx1_getkeylight(u8 * keylight)
{
- return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
+ return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}
/* set LCD backlight intensity */
int sx1_setbacklight(u8 backlight)
{
if (backlight > SOFIA_MAX_LIGHT_VAL)
backlight = SOFIA_MAX_LIGHT_VAL;
- return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
+ return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
+ backlight);
}
/* get current LCD backlight intensity */
int sx1_getbacklight (u8 * backlight)
{
- return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
+ return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
+ backlight);
}
/* set LCD backlight power on/off */
int sx1_setmmipower(u8 onoff)
{
int err;
u8 dat = 0;
- err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
if (err < 0)
return err;
if (onoff)
dat |= SOFIA_MMILIGHT_POWER;
else
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);
+ return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
+
/* set USB power on/off */
int sx1_setusbpower(u8 onoff)
{
int err;
u8 dat = 0;
- err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
if (err < 0)
return err;
if (onoff)
dat |= SOFIA_USB_POWER;
else
dat &= ~SOFIA_USB_POWER;
- return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+ return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
EXPORT_SYMBOL(sx1_setkeylight);
@@ -168,7 +157,6 @@ 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 +442,7 @@ 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 */
Index: linux-omap-2.6/include/asm-arm/arch-omap/board-sx1.h
===================================================================
--- linux-omap-2.6.orig/include/asm-arm/arch-omap/board-sx1.h 2008-01-11 13:54:54.000000000 -0800
+++ linux-omap-2.6/include/asm-arm/arch-omap/board-sx1.h 2008-01-14 15:57:55.000000000 -0800
@@ -41,6 +41,12 @@ int sx1_getkeylight(u8 *keylight);
int sx1_setmmipower(u8 onoff);
int sx1_setusbpower(u8 onoff);
-int sx1_setmmcpower(u8 onoff);
+int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value);
+int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value);
+
+/* MMC prototypes */
+
+extern void sx1_mmc_init(void);
+extern void sx1_mmc_slot_cover_handler(void *arg, int state);
#endif /* __ASM_ARCH_SX1_I2C_CHIPS_H */
