s3c2442: R.I.P.

It is broken and it is not maintained by anyone since long time.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34767 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 317 deletions

diff --git a/target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/gta02-pm-gsm.c b/target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/gta02-pm-gsm.c
deleted file mode 100644
index 687b260e10..0000000000
--- a/target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/gta02-pm-gsm.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/*
- * GSM Management code for the Openmoko Freerunner 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 <linux/interrupt.h>
-#include <linux/delay.h>
-
-#include <mach/gpio.h>
-#include <asm/mach-types.h>
-
-#include <mach/hardware.h>
-#include <mach/cpu.h>
-
-#include <mach/gta02.h>
-#include <linux/mfd/pcf50633/gpio.h>
-#include <mach/regs-gpio.h>
-#include <mach/regs-gpioj.h>
-
-int gta_gsm_interrupts;
-EXPORT_SYMBOL(gta_gsm_interrupts);
-
-extern void s3c24xx_serial_console_set_silence(int);
-
-struct gta02pm_priv {
-	int gpio_ndl_gsm;
-	struct console *con;
-};
-
-static struct gta02pm_priv gta02_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 (pcf50633_gpio_get(gta02_pcf, PCF50633_GPIO2))
-			goto out_1;
-	} else if (!strcmp(attr->attr.name, "download")) {
-		if (!s3c2410_gpio_getpin(GTA02_GPIO_nDL_GSM))
-			goto out_1;
-	} else if (!strcmp(attr->attr.name, "flowcontrolled")) {
-		if (s3c2410_gpio_getcfg(S3C2410_GPH1) == S3C2410_GPIO_OUTPUT)
-			goto out_1;
-	}
-
-	return strlcpy(buf, "0\n", 3);
-out_1:
-	return strlcpy(buf, "1\n", 3);
-}
-
-static void gsm_on_off(struct device *dev, int on)
-{
-	if (!on) {
-		s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPIO_INPUT);
-		s3c2410_gpio_cfgpin(S3C2410_GPH2, S3C2410_GPIO_INPUT);
-
-		pcf50633_gpio_set(gta02_pcf, PCF50633_GPIO2, 0);
-
-		if (gta02_gsm.con) {
-			s3c24xx_serial_console_set_silence(0);
-			console_start(gta02_gsm.con);
-
-			dev_dbg(dev, "powered down gta02 GSM, enabling "
-					"serial console\n");
-		}
-
-		return;
-	}
-
-	if (gta02_gsm.con) {
-		dev_dbg(dev, "powering up GSM, thus "
-				"disconnecting serial console\n");
-
-		console_stop(gta02_gsm.con);
-		s3c24xx_serial_console_set_silence(1);
-	}
-
-	/* allow UART to talk to GSM side now we will power it */
-	s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_nRTS0);
-	s3c2410_gpio_cfgpin(S3C2410_GPH2, S3C2410_GPH2_TXD0);
-
-	pcf50633_gpio_set(gta02_pcf, PCF50633_GPIO2, 7);
-
-	msleep(100);
-
-	s3c2410_gpio_setpin(GTA02_GPIO_MODEM_ON, 1);
-	msleep(500);
-	s3c2410_gpio_setpin(GTA02_GPIO_MODEM_ON, 0);
-
-	/*
-	 * workaround for calypso firmware moko10 and earlier,
-	 * without this it will leave IRQ line high after
-	 * booting
-	 */
-	s3c2410_gpio_setpin(S3C2410_GPH1, 1);
-	s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_OUTP);
-	msleep(1000);
-	s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_nRTS0);
-
-}
-
-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")) {
-		gsm_on_off(dev, on);
-
-		return count;
-	}
-
-	if (!strcmp(attr->attr.name, "download")) {
-		/*
-		 * the keyboard / buttons driver requests and enables
-		 * the JACK_INSERT IRQ.  We have to take care about
-		 * not enabling and disabling the IRQ when it was
-		 * already in that state or we get "unblanaced IRQ"
-		 * kernel warnings and stack dumps.  So we use the
-		 * copy of the ndl_gsm state to figure out if we should
-		 * enable or disable the jack interrupt
-		 */
-		if (on) {
-			if (gta02_gsm.gpio_ndl_gsm)
-				disable_irq(gpio_to_irq(
-						   GTA02_GPIO_JACK_INSERT));
-		} else {
-			if (!gta02_gsm.gpio_ndl_gsm)
-				enable_irq(gpio_to_irq(
-						   GTA02_GPIO_JACK_INSERT));
-		}
-
-		gta02_gsm.gpio_ndl_gsm = !on;
-		s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, !on);
-
-		return count;
-	}
-
-	if (!strcmp(attr->attr.name, "flowcontrolled")) {
-		if (on) {
-			gta_gsm_interrupts = 0;
-			s3c2410_gpio_setpin(S3C2410_GPH1, 1);
-			s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_OUTP);
-		} else
-			s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_nRTS0);
-	}
-
-	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);
-static DEVICE_ATTR(flowcontrolled, 0644, gsm_read, gsm_write);
-
-#ifdef CONFIG_PM
-
-static int gta02_gsm_resume(struct platform_device *pdev);
-static int gta02_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 much here. */
-
-	/* If flowcontrol asserted, abort if GSM already interrupted */
-	if (s3c2410_gpio_getcfg(S3C2410_GPH1) == S3C2410_GPIO_OUTPUT) {
-		if (gta_gsm_interrupts)
-			goto busy;
-	}
-
-	/* disable DL GSM to prevent jack_insert becoming 'floating' */
-	s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, 1);
-	return 0;
-
-busy:
-	return -EBUSY;
-}
-
-static int
-gta02_gsm_suspend_late(struct platform_device *pdev, pm_message_t state)
-{
-	/* Last chance: abort if GSM already interrupted */
-	if (s3c2410_gpio_getcfg(S3C2410_GPH1) == S3C2410_GPIO_OUTPUT) {
-		if (gta_gsm_interrupts)
-			return -EBUSY;
-	}
-	return 0;
-}
-
-static int gta02_gsm_resume(struct platform_device *pdev)
-{
-	/* GPIO state is saved/restored by S3C2410 core GPIO driver, so we
-	 * don't need to do much here. */
-
-	/* Make sure that the kernel console on the serial port is still
-	 * disabled. FIXME: resume ordering race with serial driver! */
-	if (gta02_gsm.con && s3c2410_gpio_getpin(GTA02_GPIO_MODEM_ON))
-		console_stop(gta02_gsm.con);
-
-	s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, gta02_gsm.gpio_ndl_gsm);
-
-	return 0;
-}
-#else
-#define gta02_gsm_suspend	NULL
-#define gta02_gsm_suspend_late	NULL
-#define gta02_gsm_resume	NULL
-#endif /* CONFIG_PM */
-
-static struct attribute *gta02_gsm_sysfs_entries[] = {
-	&dev_attr_power_on.attr,
-	&dev_attr_reset.attr,
-	&dev_attr_download.attr,
-	&dev_attr_flowcontrolled.attr,
-	NULL
-};
-
-static struct attribute_group gta02_gsm_attr_group = {
-	.name	= NULL,
-	.attrs	= gta02_gsm_sysfs_entries,
-};
-
-static int __init gta02_gsm_probe(struct platform_device *pdev)
-{
-	switch (S3C_SYSTEM_REV_ATAG) {
-	case GTA02v1_SYSTEM_REV:
-	case GTA02v2_SYSTEM_REV:
-	case GTA02v3_SYSTEM_REV:
-	case GTA02v4_SYSTEM_REV:
-	case GTA02v5_SYSTEM_REV:
-	case GTA02v6_SYSTEM_REV:
-		break;
-	default:
-		dev_warn(&pdev->dev, "Unknown Freerunner Revision 0x%x, "
-			 "some PM features not available!!!\n",
-			 system_rev);
-		break;
-	}
-
-	gta02_gsm.con = find_s3c24xx_console();
-	if (!gta02_gsm.con)
-		dev_warn(&pdev->dev,
-			 "cannot find S3C24xx console driver\n");
-
-	/* note that download initially disabled, and enforce that */
-	gta02_gsm.gpio_ndl_gsm = 1;
-	s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, 1);
-
-	/* GSM is to be initially off (at boot, or if this module inserted) */
-	gsm_on_off(&pdev->dev, 0);
-
-	return sysfs_create_group(&pdev->dev.kobj, &gta02_gsm_attr_group);
-}
-
-static int gta02_gsm_remove(struct platform_device *pdev)
-{
-	sysfs_remove_group(&pdev->dev.kobj, &gta02_gsm_attr_group);
-
-	return 0;
-}
-
-static struct platform_driver gta02_gsm_driver = {
-	.probe		= gta02_gsm_probe,
-	.remove		= gta02_gsm_remove,
-	.suspend	= gta02_gsm_suspend,
-	.suspend_late	= gta02_gsm_suspend_late,
-	.resume		= gta02_gsm_resume,
-	.driver		= {
-		.name		= "gta02-pm-gsm",
-	},
-};
-
-static int __devinit gta02_gsm_init(void)
-{
-	return platform_driver_register(&gta02_gsm_driver);
-}
-
-static void gta02_gsm_exit(void)
-{
-	platform_driver_unregister(&gta02_gsm_driver);
-}
-
-module_init(gta02_gsm_init);
-module_exit(gta02_gsm_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
-MODULE_DESCRIPTION("Openmoko Freerunner GSM Power Management");