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  • [parent not found: <1197957418-23913-9-git-send-email-tony@atomide.com>]
  • * Re: [PATCH 6/12] ARM: OMAP1: Use MMC multislot structures for Siemens SX1 board
           [not found]           ` <1197957418-23913-7-git-send-email-tony@atomide.com>
           [not found]             ` <1197957418-23913-8-git-send-email-tony@atomide.com>
    @ 2008-01-15  0:59             ` Tony Lindgren
      2008-01-15  1:34               ` Tony Lindgren
      1 sibling, 1 reply; 5+ messages in thread
    From: Tony Lindgren @ 2008-01-15  0:59 UTC (permalink / raw)
      To: linux-arm-kernel; +Cc: linux-omap
    
    [-- Attachment #1: Type: text/plain, Size: 256 bytes --]
    
    * Tony Lindgren <tony@atomide.com> [071217 21:58]:
    > From: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
    > 
    > 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
    
    [-- Attachment #2: 0005-ARM-OMAP1-Use-MMC-multislot-structures-for-Siemens.patch --]
    [-- Type: text/x-diff, Size: 9056 bytes --]
    
    >From a3ca132c6db48401a6c36df7d530949fd26d5f0e Mon Sep 17 00:00:00 2001
    From: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
    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@indt.org.br>
    Signed-off-by: Tony Lindgren <tony@atomide.com>
    ---
     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@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
    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 */
    
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    2008-01-15  0:56                   ` [PATCH 7/12] ARM: OMAP1: PM fixes for OMAP1 Tony Lindgren
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    2008-01-15  1:00                         ` [PATCH 11/12] ARM: OMAP1: Palm Tungsten E board clean-up Tony Lindgren
    2008-01-15  0:59             ` [PATCH 6/12] ARM: OMAP1: Use MMC multislot structures for Siemens SX1 board Tony Lindgren
    2008-01-15  1:34               ` Tony Lindgren
    2008-01-15  1:36                 ` Tony Lindgren
    

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