add support for target 3c24xx (more known as Openmoko GTA02 "Freerunner") and merge it with the openmoko-target and the work Michael Buesch <mb> did

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13609 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 976 insertions, 0 deletions

diff --git a/target/linux/s3c24xx/patches/0010-gta01-power_control.patch.patch b/target/linux/s3c24xx/patches/0010-gta01-power_control.patch.patch
new file mode 100755
index 0000000000..76d645f345
--- /dev/null
+++ b/target/linux/s3c24xx/patches/0010-gta01-power_control.patch.patch
@@ -0,0 +1,976 @@
+From 0739383d85822b93831803abb207794c16eedd79 Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Wed, 16 Jul 2008 14:44:48 +0100
+Subject: [PATCH] gta01-power_control.patch
+ [PATCH] Neo1973 GPS / GSM / Bluetooth power control via sysfs
+
+Signed-off-by: Harald Welte <laforge@openmoko.org>
+---
+ arch/arm/plat-s3c24xx/Makefile         |    1 +
+ arch/arm/plat-s3c24xx/neo1973_pm_bt.c  |  152 +++++++++
+ arch/arm/plat-s3c24xx/neo1973_pm_gps.c |  560 ++++++++++++++++++++++++++++++++
+ arch/arm/plat-s3c24xx/neo1973_pm_gsm.c |  217 ++++++++++++
+ 4 files changed, 930 insertions(+), 0 deletions(-)
+ create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_bt.c
+ create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_gps.c
+ create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+
+diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
+index 131d202..6f43aca 100644
+--- a/arch/arm/plat-s3c24xx/Makefile
++++ b/arch/arm/plat-s3c24xx/Makefile
+@@ -29,3 +29,4 @@ obj-$(CONFIG_PM)		+= pm.o
+ obj-$(CONFIG_PM)		+= sleep.o
+ obj-$(CONFIG_S3C2410_DMA)	+= dma.o
+ obj-$(CONFIG_MACH_SMDK)		+= common-smdk.o
++obj-$(CONFIG_MACH_NEO1973)	+= neo1973_pm_gsm.o neo1973_pm_gps.o neo1973_pm_bt.o
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
+new file mode 100644
+index 0000000..b1af441
+--- /dev/null
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
+@@ -0,0 +1,152 @@
++/*
++ * Bluetooth PM code for the FIC Neo1973 GSM Phone
++ *
++ * (C) 2007 by OpenMoko Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ * All rights reserved.
++ *
++ * 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 <linux/module.h>
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/platform_device.h>
++
++#include <linux/pcf50606.h>
++
++#include <asm/hardware.h>
++#include <asm/arch/gta01.h>
++
++#define DRVMSG "FIC Neo1973 Bluetooth Power Management"
++
++static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
++		       char *buf)
++{
++	if (!strcmp(attr->attr.name, "power_on")) {
++		if (pcf50606_onoff_get(pcf50606_global,
++					PCF50606_REGULATOR_D1REG) &&
++		    pcf50606_voltage_get(pcf50606_global,
++					 PCF50606_REGULATOR_D1REG) == 3100)
++			goto out_1;
++	} else if (!strcmp(attr->attr.name, "reset")) {
++		if (s3c2410_gpio_getpin(GTA01_GPIO_BT_EN) == 0)
++			goto out_1;
++	}
++
++	return strlcpy(buf, "0\n", 3);
++out_1:
++	return strlcpy(buf, "1\n", 3);
++}
++
++static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
++			const char *buf, size_t count)
++{
++	unsigned long on = simple_strtoul(buf, NULL, 10);
++
++	if (!strcmp(attr->attr.name, "power_on")) {
++		/* if we are powering up, assert reset, then power, then
++		 * release reset */
++		if (on) {
++			s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
++			pcf50606_voltage_set(pcf50606_global,
++					     PCF50606_REGULATOR_D1REG,
++					     3100);
++		}
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_D1REG, on);
++		s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on);
++	} else if (!strcmp(attr->attr.name, "reset")) {
++		/* reset is low-active, so we need to invert */
++		s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on ? 0 : 1);
++	}
++
++	return count;
++}
++
++static DEVICE_ATTR(power_on, 0644, bt_read, bt_write);
++static DEVICE_ATTR(reset, 0644, bt_read, bt_write);
++
++#ifdef CONFIG_PM
++static int gta01_bt_suspend(struct platform_device *pdev, pm_message_t state)
++{
++	dev_dbg(&pdev->dev, DRVMSG ": suspending\n");
++	/* FIXME: The PMU should save the PMU status, and the GPIO code should
++	 * preserve the GPIO level, so there shouldn't be anything left to do
++	 * for us, should there? */
++
++	return 0;
++}
++
++static int gta01_bt_resume(struct platform_device *pdev)
++{
++	dev_dbg(&pdev->dev, DRVMSG ": resuming\n");
++
++	return 0;
++}
++#else
++#define gta01_bt_suspend	NULL
++#define gta01_bt_resume		NULL
++#endif
++
++static struct attribute *gta01_bt_sysfs_entries[] = {
++	&dev_attr_power_on.attr,
++	&dev_attr_reset.attr,
++	NULL
++};
++
++static struct attribute_group gta01_bt_attr_group = {
++	.name	= NULL,
++	.attrs	= gta01_bt_sysfs_entries,
++};
++
++static int __init gta01_bt_probe(struct platform_device *pdev)
++{
++	dev_info(&pdev->dev, DRVMSG ": starting\n");
++
++	/* we make sure that the voltage is off */
++	pcf50606_onoff_set(pcf50606_global,
++			   PCF50606_REGULATOR_D1REG, 0);
++	/* we pull reset to low to make sure that the chip doesn't
++	 * drain power through the reset line */
++	s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
++
++	return sysfs_create_group(&pdev->dev.kobj, &gta01_bt_attr_group);
++}
++
++static int gta01_bt_remove(struct platform_device *pdev)
++{
++	sysfs_remove_group(&pdev->dev.kobj, &gta01_bt_attr_group);
++
++	return 0;
++}
++
++static struct platform_driver gta01_bt_driver = {
++	.probe		= gta01_bt_probe,
++	.remove		= gta01_bt_remove,
++	.suspend	= gta01_bt_suspend,
++	.resume		= gta01_bt_resume,
++	.driver		= {
++		.name		= "neo1973-pm-bt",
++	},
++};
++
++static int __devinit gta01_bt_init(void)
++{
++	return platform_driver_register(&gta01_bt_driver);
++}
++
++static void gta01_bt_exit(void)
++{
++	platform_driver_unregister(&gta01_bt_driver);
++}
++
++module_init(gta01_bt_init);
++module_exit(gta01_bt_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
++MODULE_DESCRIPTION(DRVMSG);
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gps.c b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
+new file mode 100644
+index 0000000..f8cf719
+--- /dev/null
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
+@@ -0,0 +1,560 @@
++/*
++ * GPS Power Management code for the FIC Neo1973 GSM Phone
++ *
++ * (C) 2007 by OpenMoko Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ * All rights reserved.
++ *
++ * 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 <linux/module.h>
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++
++#include <linux/pcf50606.h>
++
++#include <asm/hardware.h>
++#include <asm/arch/gta01.h>
++
++/* This is the 2.8V supply for the RTC crystal, the mail clock crystal and
++ * the input to VDD_RF */
++static void gps_power_2v8_set(int on)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++		if (on)
++			pcf50606_voltage_set(pcf50606_global,
++					     PCF50606_REGULATOR_IOREG, 2800);
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_IOREG, on);
++		break;
++	case GTA01Bv2_SYSTEM_REV:
++		s3c2410_gpio_setpin(GTA01_GPIO_GPS_EN_2V8, on);
++			break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		break;
++	}
++}
++
++static int gps_power_2v8_get(void)
++{
++	int ret = 0;
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++		if (pcf50606_onoff_get(pcf50606_global,
++					PCF50606_REGULATOR_IOREG) &&
++		    pcf50606_voltage_get(pcf50606_global,
++					 PCF50606_REGULATOR_IOREG) == 2800)
++			ret = 1;
++		break;
++	case GTA01Bv2_SYSTEM_REV:
++		if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_EN_2V8))
++			ret = 1;
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		break;
++	}
++
++	return ret;
++}
++
++/* This is the 3V supply (AVDD) for the external RF frontend (LNA bias) */
++static void gps_power_3v_set(int on)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++		if (on)
++			pcf50606_voltage_set(pcf50606_global,
++					     PCF50606_REGULATOR_D1REG, 3000);
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_D1REG, on);
++		break;
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		s3c2410_gpio_setpin(GTA01_GPIO_GPS_EN_3V, on);
++		break;
++	}
++}
++
++static int gps_power_3v_get(void)
++{
++	int ret = 0;
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++		if (pcf50606_onoff_get(pcf50606_global,
++				       PCF50606_REGULATOR_D1REG) &&
++		    pcf50606_voltage_get(pcf50606_global,
++					 PCF50606_REGULATOR_D1REG) == 3000)
++			ret = 1;
++		break;
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_EN_3V))
++			ret = 1;
++		break;
++	}
++
++	return ret;
++}
++
++/* This is the 3.3V supply for VDD_IO and VDD_LPREG input */
++static void gps_power_3v3_set(int on)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++		if (on)
++			pcf50606_voltage_set(pcf50606_global,
++					     PCF50606_REGULATOR_DCD, 3300);
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_DCD, on);
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		s3c2410_gpio_setpin(GTA01_GPIO_GPS_EN_3V3, on);
++		break;
++	}
++}
++
++static int gps_power_3v3_get(void)
++{
++	int ret = 0;
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++		if (pcf50606_onoff_get(pcf50606_global,
++				       PCF50606_REGULATOR_DCD) &&
++		    pcf50606_voltage_get(pcf50606_global,
++					 PCF50606_REGULATOR_DCD) == 3300)
++			ret = 1;
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_EN_3V3))
++			ret = 1;
++		break;
++	}
++
++	return ret;
++}
++
++/* This is the 2.5V supply for VDD_PLLREG and VDD_COREREG input */
++static void gps_power_2v5_set(int on)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++		/* This is CORE_1V8 and cannot be disabled */
++		break;
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (on)
++			pcf50606_voltage_set(pcf50606_global,
++					     PCF50606_REGULATOR_D2REG, 2500);
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_D2REG, on);
++		break;
++	}
++}
++
++static int gps_power_2v5_get(void)
++{
++	int ret = 0;
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++		/* This is CORE_1V8 and cannot be disabled */
++		ret = 1;
++		break;
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (pcf50606_onoff_get(pcf50606_global,
++				       PCF50606_REGULATOR_D2REG) &&
++		    pcf50606_voltage_get(pcf50606_global,
++					 PCF50606_REGULATOR_D2REG) == 2500)
++			ret = 1;
++		break;
++	}
++
++	return ret;
++}
++
++/* This is the 1.5V supply for VDD_CORE */
++static void gps_power_1v5_set(int on)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++		/* This is switched via 2v5 */
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (on)
++			pcf50606_voltage_set(pcf50606_global,
++					     PCF50606_REGULATOR_DCD, 1500);
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_DCD, on);
++		break;
++	}
++}
++
++static int gps_power_1v5_get(void)
++{
++	int ret = 0;
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++		/* This is switched via 2v5 */
++		ret = 1;
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (pcf50606_onoff_get(pcf50606_global,
++				       PCF50606_REGULATOR_DCD) &&
++		    pcf50606_voltage_get(pcf50606_global,
++					 PCF50606_REGULATOR_DCD) == 1500)
++			ret = 1;
++		break;
++	}
++
++	return ret;
++}
++
++/* This is the POWERON pin */
++static void gps_pwron_set(int on)
++{
++	s3c2410_gpio_setpin(GTA01_GPIO_GPS_PWRON, on);
++}
++
++static int gps_pwron_get(void)
++{
++	if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_PWRON))
++		return 1;
++	else
++		return 0;
++}
++
++/* This is the nRESET pin */
++static void gps_rst_set(int on)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++		pcf50606_gpo0_set(pcf50606_global, on);
++		break;
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		s3c2410_gpio_setpin(GTA01_GPIO_GPS_RESET, on);
++		break;
++	}
++}
++
++static int gps_rst_get(void)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++		if (pcf50606_gpo0_get(pcf50606_global))
++			return 1;
++		break;
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_RESET))
++			return 1;
++		break;
++	}
++
++	return 0;
++}
++
++static ssize_t power_gps_read(struct device *dev,
++			      struct device_attribute *attr, char *buf)
++{
++	int ret = 0;
++
++	if (!strcmp(attr->attr.name, "power_tcxo_2v8")) {
++		ret = gps_power_2v8_get();
++	} else if (!strcmp(attr->attr.name, "power_avdd_3v")) {
++		ret = gps_power_3v_get();
++	} else if (!strcmp(attr->attr.name, "pwron")) {
++		ret = gps_pwron_get();
++	} else if (!strcmp(attr->attr.name, "reset")) {
++		ret = gps_rst_get();
++	} else if (!strcmp(attr->attr.name, "power_lp_io_3v3")) {
++		ret = gps_power_3v3_get();
++	} else if (!strcmp(attr->attr.name, "power_pll_core_2v5")) {
++		ret = gps_power_2v5_get();
++	} else if (!strcmp(attr->attr.name, "power_core_1v5") ||
++		   !strcmp(attr->attr.name, "power_vdd_core_1v5")) {
++		ret = gps_power_1v5_get();
++	}
++
++	if (ret)
++		return strlcpy(buf, "1\n", 3);
++	else
++		return strlcpy(buf, "0\n", 3);
++}
++
++static ssize_t power_gps_write(struct device *dev,
++			       struct device_attribute *attr, const char *buf,
++			       size_t count)
++{
++	unsigned long on = simple_strtoul(buf, NULL, 10);
++
++	if (!strcmp(attr->attr.name, "power_tcxo_2v8")) {
++		gps_power_2v8_set(on);
++	} else if (!strcmp(attr->attr.name, "power_avdd_3v")) {
++		gps_power_3v_set(on);
++	} else if (!strcmp(attr->attr.name, "pwron")) {
++		gps_pwron_set(on);
++	} else if (!strcmp(attr->attr.name, "reset")) {
++		gps_rst_set(on);
++	} else if (!strcmp(attr->attr.name, "power_lp_io_3v3")) {
++		gps_power_3v3_set(on);
++	} else if (!strcmp(attr->attr.name, "power_pll_core_2v5")) {
++		gps_power_2v5_set(on);
++	} else if (!strcmp(attr->attr.name, "power_core_1v5") ||
++		   !strcmp(attr->attr.name, "power_vdd_core_1v5")) {
++		gps_power_1v5_set(on);
++	}
++
++	return count;
++}
++
++static void gps_power_sequence_up(void)
++{
++	/* According to PMB2520 Data Sheet, Rev. 2006-06-05,
++	 * Chapter 4.2.2 */
++
++	/* nRESET must be asserted low */
++	gps_rst_set(0);
++
++	/* POWERON must be de-asserted (low) */
++	gps_pwron_set(0);
++
++	/* Apply VDD_IO and VDD_LPREG_IN */
++	gps_power_3v3_set(1);
++
++	/* VDD_COREREG_IN, VDD_PLLREG_IN */
++	gps_power_1v5_set(1);
++	gps_power_2v5_set(1);
++
++	/* and VDD_RF may be applied */
++	gps_power_2v8_set(1);
++
++	/* We need to enable AVDD, since in GTA01Bv3 it is
++	 * shared with RFREG_IN */
++	gps_power_3v_set(1);
++
++	msleep(3); 	/* Is 3ms enough? */
++
++	/* De-asert nRESET */
++	gps_rst_set(1);
++
++	/* Switch power on */
++	gps_pwron_set(1);
++
++}
++
++static void gps_power_sequence_down(void)
++{
++	/* According to PMB2520 Data Sheet, Rev. 2006-06-05,
++	 * Chapter 4.2.3.1 */
++	gps_pwron_set(0);
++
++	/* Don't disable AVDD before PWRON is cleared, since
++	 * in GTA01Bv3, AVDD and RFREG_IN are shared */
++	gps_power_3v_set(0);
++
++	/* Remove VDD_COREREG_IN, VDD_PLLREG_IN and VDD_REFREG_IN */
++	gps_power_1v5_set(0);
++	gps_power_2v5_set(0);
++	gps_power_2v8_set(0);
++
++	/* Remove VDD_LPREG_IN and VDD_IO */
++	gps_power_3v3_set(0);
++}
++
++
++static ssize_t power_sequence_read(struct device *dev,
++				   struct device_attribute *attr,
++				   char *buf)
++{
++	return strlcpy(buf, "power_up power_down\n", PAGE_SIZE);
++}
++
++static ssize_t power_sequence_write(struct device *dev,
++				    struct device_attribute *attr,
++				    const char *buf, size_t count)
++{
++	dev_dbg(dev, "wrote: '%s'\n", buf);
++
++	if (!strncmp(buf, "power_up", 8))
++		gps_power_sequence_up();
++	else if (!strncmp(buf, "power_down", 10))
++		gps_power_sequence_down();
++	else
++		return -EINVAL;
++
++	return count;
++}
++
++static DEVICE_ATTR(power_tcxo_2v8, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(power_avdd_3v, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(pwron, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(reset, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(power_lp_io_3v3, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(power_pll_core_2v5, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(power_core_1v5, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(power_vdd_core_1v5, 0644, power_gps_read, power_gps_write);
++static DEVICE_ATTR(power_sequence, 0644, power_sequence_read,
++		   power_sequence_write);
++
++#ifdef CONFIG_PM
++static int gta01_pm_gps_suspend(struct platform_device *pdev,
++				pm_message_t state)
++{
++	/* FIXME */
++	gps_power_sequence_down();
++
++	return 0;
++}
++
++static int gta01_pm_gps_resume(struct platform_device *pdev)
++{
++	/* FIXME */
++	gps_power_sequence_up();
++
++	return 0;
++}
++#else
++#define gta01_pm_gps_suspend	NULL
++#define gta01_pm_gps_resume	NULL
++#endif
++
++static struct attribute *gta01_gps_sysfs_entries[] = {
++	&dev_attr_power_avdd_3v.attr,
++	&dev_attr_pwron.attr,
++	&dev_attr_reset.attr,
++	&dev_attr_power_lp_io_3v3.attr,
++	&dev_attr_power_pll_core_2v5.attr,
++	&dev_attr_power_sequence.attr,
++	NULL,	/* power_core_1v5 */
++	NULL,	/* power_vdd_core_1v5 */
++	NULL	/* terminating entry */
++};
++
++static struct attribute_group gta01_gps_attr_group = {
++	.name	= NULL,
++	.attrs	= gta01_gps_sysfs_entries,
++};
++
++static int __init gta01_pm_gps_probe(struct platform_device *pdev)
++{
++	s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_PWRON, S3C2410_GPIO_OUTPUT);
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++		break;
++	case GTA01v4_SYSTEM_REV:
++		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V3, S3C2410_GPIO_OUTPUT);
++		/* fallthrough */
++	case GTA01Bv2_SYSTEM_REV:
++		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_2V8, S3C2410_GPIO_OUTPUT);
++		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V, S3C2410_GPIO_OUTPUT);
++		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
++		break;
++	default:
++		dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
++			 "AGPS PM features not available!!!\n",
++			 system_rev);
++		return -1;
++		break;
++	}
++
++	gps_power_sequence_down();
++
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++		gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
++					&dev_attr_power_tcxo_2v8.attr;
++		break;
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
++					&dev_attr_power_core_1v5.attr;
++		gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-2] =
++					&dev_attr_power_vdd_core_1v5.attr;
++		break;
++	}
++
++	return sysfs_create_group(&pdev->dev.kobj, &gta01_gps_attr_group);
++}
++
++static int gta01_pm_gps_remove(struct platform_device *pdev)
++{
++	gps_power_sequence_down();
++	sysfs_remove_group(&pdev->dev.kobj, &gta01_gps_attr_group);
++
++	return 0;
++}
++
++static struct platform_driver gta01_pm_gps_driver = {
++	.probe		= gta01_pm_gps_probe,
++	.remove		= gta01_pm_gps_remove,
++	.suspend	= gta01_pm_gps_suspend,
++	.resume		= gta01_pm_gps_resume,
++	.driver		= {
++		.name		= "neo1973-pm-gps",
++	},
++};
++
++static int __devinit gta01_pm_gps_init(void)
++{
++	return platform_driver_register(&gta01_pm_gps_driver);
++}
++
++static void gta01_pm_gps_exit(void)
++{
++	platform_driver_unregister(&gta01_pm_gps_driver);
++}
++
++module_init(gta01_pm_gps_init);
++module_exit(gta01_pm_gps_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
++MODULE_DESCRIPTION("FIC Neo1973 GPS Power Management");
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+new file mode 100644
+index 0000000..a1615f8
+--- /dev/null
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+@@ -0,0 +1,217 @@
++/*
++ * GSM Management code for the FIC Neo1973 GSM Phone
++ *
++ * (C) 2007 by OpenMoko Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ * All rights reserved.
++ *
++ * 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 <linux/module.h>
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/platform_device.h>
++#include <linux/console.h>
++#include <linux/errno.h>
++
++#include <asm/hardware.h>
++#include <asm/arch/gta01.h>
++
++struct gta01pm_priv {
++	int gpio_ngsm_en;
++	struct console *con;
++};
++
++static struct gta01pm_priv gta01_gsm;
++
++static struct console *find_s3c24xx_console(void)
++{
++	struct console *con;
++
++	acquire_console_sem();
++
++	for (con = console_drivers; con; con = con->next) {
++		if (!strcmp(con->name, "ttySAC"))
++			break;
++	}
++
++	release_console_sem();
++
++	return con;
++}
++
++static ssize_t gsm_read(struct device *dev, struct device_attribute *attr,
++			char *buf)
++{
++	if (!strcmp(attr->attr.name, "power_on")) {
++		if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_ON))
++			goto out_1;
++	} else if (!strcmp(attr->attr.name, "reset")) {
++		if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_RST))
++			goto out_1;
++	} else if (!strcmp(attr->attr.name, "download")) {
++		if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_DNLOAD))
++			goto out_1;
++	}
++
++	return strlcpy(buf, "0\n", 3);
++out_1:
++	return strlcpy(buf, "1\n", 3);
++}
++
++static ssize_t gsm_write(struct device *dev, struct device_attribute *attr,
++			 const char *buf, size_t count)
++{
++	unsigned long on = simple_strtoul(buf, NULL, 10);
++
++	if (!strcmp(attr->attr.name, "power_on")) {
++		if (on) {
++			dev_info(dev, "powering up GSM, thus disconnecting "
++				 "serial console\n");
++
++			if (gta01_gsm.con)
++				console_stop(gta01_gsm.con);
++
++			if (gta01_gsm.gpio_ngsm_en)
++				s3c2410_gpio_setpin(gta01_gsm.gpio_ngsm_en, 0);
++
++			s3c2410_gpio_setpin(GTA01_GPIO_MODEM_ON, 1);
++		} else {
++			s3c2410_gpio_setpin(GTA01_GPIO_MODEM_ON, 0);
++
++			if (gta01_gsm.gpio_ngsm_en)
++				s3c2410_gpio_setpin(gta01_gsm.gpio_ngsm_en, 1);
++
++			if (gta01_gsm.con)
++				console_start(gta01_gsm.con);
++
++			dev_info(dev, "powered down GSM, thus enabling "
++				 "serial console\n");
++		}
++	} else if (!strcmp(attr->attr.name, "reset")) {
++		s3c2410_gpio_setpin(GTA01_GPIO_MODEM_RST, on);
++	} else if (!strcmp(attr->attr.name, "download")) {
++		s3c2410_gpio_setpin(GTA01_GPIO_MODEM_DNLOAD, on);
++	}
++
++	return count;
++}
++
++static DEVICE_ATTR(power_on, 0644, gsm_read, gsm_write);
++static DEVICE_ATTR(reset, 0644, gsm_read, gsm_write);
++static DEVICE_ATTR(download, 0644, gsm_read, gsm_write);
++
++#ifdef CONFIG_PM
++static int gta01_gsm_suspend(struct platform_device *pdev, pm_message_t state)
++{
++	/* GPIO state is saved/restored by S3C2410 core GPIO driver, so we
++	 * don't need to do anything here */
++
++	return 0;
++}
++
++static int gta01_gsm_resume(struct platform_device *pdev)
++{
++	/* GPIO state is saved/restored by S3C2410 core GPIO driver, so we
++	 * don't need to do anything here */
++
++	/* Make sure that the kernel console on the serial port is still
++	 * disabled. FIXME: resume ordering race with serial driver! */
++	if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_ON) && gta01_gsm.con)
++		console_stop(gta01_gsm.con);
++
++	return 0;
++}
++#else
++#define gta01_gsm_suspend	NULL
++#define gta01_gsm_resume	NULL
++#endif
++
++static struct attribute *gta01_gsm_sysfs_entries[] = {
++	&dev_attr_power_on.attr,
++	&dev_attr_reset.attr,
++	NULL,
++	NULL
++};
++
++static struct attribute_group gta01_gsm_attr_group = {
++	.name	= NULL,
++	.attrs	= gta01_gsm_sysfs_entries,
++};
++
++static int __init gta01_gsm_probe(struct platform_device *pdev)
++{
++	switch (system_rev) {
++	case GTA01v3_SYSTEM_REV:
++		gta01_gsm.gpio_ngsm_en = GTA01v3_GPIO_nGSM_EN;
++		break;
++	case GTA01v4_SYSTEM_REV:
++		gta01_gsm.gpio_ngsm_en = 0;
++		break;
++	case GTA01Bv2_SYSTEM_REV:
++	case GTA01Bv3_SYSTEM_REV:
++	case GTA01Bv4_SYSTEM_REV:
++		gta01_gsm.gpio_ngsm_en = GTA01Bv2_GPIO_nGSM_EN;
++		s3c2410_gpio_setpin(GTA01v3_GPIO_nGSM_EN, 0);
++		break;
++	default:
++		dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
++			 "some PM features not available!!!\n",
++			 system_rev);
++		break;
++	}
++
++	switch (system_rev) {
++	case GTA01v4_SYSTEM_REV:
++	case GTA01Bv2_SYSTEM_REV:
++		gta01_gsm_sysfs_entries[ARRAY_SIZE(gta01_gsm_sysfs_entries)-2] =
++							&dev_attr_download.attr;
++		break;
++	default:
++		break;
++	}
++
++	gta01_gsm.con = find_s3c24xx_console();
++	if (!gta01_gsm.con)
++		dev_warn(&pdev->dev, "cannot find S3C24xx console driver\n");
++
++	return sysfs_create_group(&pdev->dev.kobj, &gta01_gsm_attr_group);
++}
++
++static int gta01_gsm_remove(struct platform_device *pdev)
++{
++	sysfs_remove_group(&pdev->dev.kobj, &gta01_gsm_attr_group);
++
++	return 0;
++}
++
++static struct platform_driver gta01_gsm_driver = {
++	.probe		= gta01_gsm_probe,
++	.remove		= gta01_gsm_remove,
++	.suspend	= gta01_gsm_suspend,
++	.resume		= gta01_gsm_resume,
++	.driver		= {
++		.name		= "neo1973-pm-gsm",
++	},
++};
++
++static int __devinit gta01_gsm_init(void)
++{
++	return platform_driver_register(&gta01_gsm_driver);
++}
++
++static void gta01_gsm_exit(void)
++{
++	platform_driver_unregister(&gta01_gsm_driver);
++}
++
++module_init(gta01_gsm_init);
++module_exit(gta01_gsm_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
++MODULE_DESCRIPTION("FIC Neo1973 GSM Power Management");
+-- 
+1.5.6.3
+