diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-03-14 15:52:42 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-03-14 15:52:42 +0000 |
commit | 26e3776a22bf894ced5af4c28968dc1dc99968eb (patch) | |
tree | 2d38a3789e27a423439c37a45a09cae31990a615 /target/linux/s3c24xx/patches-2.6.26/1010-gta01-power_control.patch.patch | |
parent | 4bd70fc26256cf485f19e0c8b881e078dc36134f (diff) |
nuke obsolete kernel stuff
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14875 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1010-gta01-power_control.patch.patch')
-rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1010-gta01-power_control.patch.patch | 976 |
1 files changed, 0 insertions, 976 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1010-gta01-power_control.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1010-gta01-power_control.patch.patch deleted file mode 100755 index 76d645f34..000000000 --- a/target/linux/s3c24xx/patches-2.6.26/1010-gta01-power_control.patch.patch +++ /dev/null @@ -1,976 +0,0 @@ -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, >a01_bt_attr_group); -+} -+ -+static int gta01_bt_remove(struct platform_device *pdev) -+{ -+ sysfs_remove_group(&pdev->dev.kobj, >a01_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(>a01_bt_driver); -+} -+ -+static void gta01_bt_exit(void) -+{ -+ platform_driver_unregister(>a01_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, >a01_gps_attr_group); -+} -+ -+static int gta01_pm_gps_remove(struct platform_device *pdev) -+{ -+ gps_power_sequence_down(); -+ sysfs_remove_group(&pdev->dev.kobj, >a01_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(>a01_pm_gps_driver); -+} -+ -+static void gta01_pm_gps_exit(void) -+{ -+ platform_driver_unregister(>a01_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, >a01_gsm_attr_group); -+} -+ -+static int gta01_gsm_remove(struct platform_device *pdev) -+{ -+ sysfs_remove_group(&pdev->dev.kobj, >a01_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(>a01_gsm_driver); -+} -+ -+static void gta01_gsm_exit(void) -+{ -+ platform_driver_unregister(>a01_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 - |