diff options
author | Andy Green <andy@openmoko.com> | 2008-11-21 11:56:56 +0000 |
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committer | Andy Green <agreen@pads.home.warmcat.com> | 2008-11-21 11:56:56 +0000 |
commit | 5a19531acb12f5afcf022e3b670cbc59254fcb03 (patch) | |
tree | 7a3a381be8a43b727d05c88a6950595113b03c5d /drivers/misc/neo1973_pm_resume_reason.c | |
parent | 6893346ca447ffb83d0f03462c38ff0b4fdbef3d (diff) |
move-neo1973-pm-stuff-to-drivers-misc.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/misc/neo1973_pm_resume_reason.c')
-rw-r--r-- | drivers/misc/neo1973_pm_resume_reason.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/misc/neo1973_pm_resume_reason.c b/drivers/misc/neo1973_pm_resume_reason.c new file mode 100644 index 00000000000..62984a50a0a --- /dev/null +++ b/drivers/misc/neo1973_pm_resume_reason.c @@ -0,0 +1,147 @@ +/* + * Resume reason sysfs for the FIC Neo1973 GSM Phone + * + * (C) 2008 by Openmoko Inc. + * Author: Andy Green <andy@openmoko.com> + * 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 resume_reason 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/io.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> + +#ifdef CONFIG_MACH_NEO1973_GTA02 +#include <mach/gta02.h> +#include <linux/mfd/pcf50633/core.h> +#endif + +static unsigned int *gstatus4_mapped; +static char *resume_reasons[][17] = { { /* GTA01 */ + "EINT00_NULL", + "EINT01_GSM", + "EINT02_NULL", + "EINT03_NULL", + "EINT04_JACK", + "EINT05_SDCARD", + "EINT06_AUXKEY", + "EINT07_HOLDKEY", + "EINT08_NULL", + "EINT09_NULL", + "EINT10_NULL", + "EINT11_NULL", + "EINT12_NULL", + "EINT13_NULL", + "EINT14_NULL", + "EINT15_NULL", + NULL +}, { /* GTA02 */ + "EINT00_ACCEL1", + "EINT01_GSM", + "EINT02_BLUETOOTH", + "EINT03_DEBUGBRD", + "EINT04_JACK", + "EINT05_WLAN", + "EINT06_AUXKEY", + "EINT07_HOLDKEY", + "EINT08_ACCEL2", + "EINT09_PMU", + "EINT10_NULL", + "EINT11_NULL", + "EINT12_GLAMO", + "EINT13_NULL", + "EINT14_NULL", + "EINT15_NULL", + NULL +} }; + +static ssize_t resume_reason_read(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int bit = 0; + char *end = buf; + int gta = !!machine_is_neo1973_gta02(); + + for (bit = 0; resume_reasons[gta][bit]; bit++) { + if ((*gstatus4_mapped) & (1 << bit)) + end += sprintf(end, "* %s\n", resume_reasons[gta][bit]); + else + end += sprintf(end, " %s\n", resume_reasons[gta][bit]); + +#ifdef CONFIG_MACH_NEO1973_GTA02 + if ((gta) && (bit == 9)); /* PMU */ +// end += pcf50633_report_resumers(gta02_pcf_pdata.pcf, end); +#endif + } + + return end - buf; +} + + +static DEVICE_ATTR(resume_reason, 0644, resume_reason_read, NULL); + +static struct attribute *neo1973_resume_reason_sysfs_entries[] = { + &dev_attr_resume_reason.attr, + NULL +}; + +static struct attribute_group neo1973_resume_reason_attr_group = { + .name = NULL, + .attrs = neo1973_resume_reason_sysfs_entries, +}; + +static int __init neo1973_resume_reason_probe(struct platform_device *pdev) +{ + dev_info(&pdev->dev, "starting\n"); + + gstatus4_mapped = ioremap(0x560000BC /* GSTATUS4 */, 0x4); + if (!gstatus4_mapped) { + dev_err(&pdev->dev, "failed to ioremap() memory region\n"); + return -EINVAL; + } + + return sysfs_create_group(&pdev->dev.kobj, + &neo1973_resume_reason_attr_group); +} + +static int neo1973_resume_reason_remove(struct platform_device *pdev) +{ + sysfs_remove_group(&pdev->dev.kobj, &neo1973_resume_reason_attr_group); + iounmap(gstatus4_mapped); + return 0; +} + +static struct platform_driver neo1973_resume_reason_driver = { + .probe = neo1973_resume_reason_probe, + .remove = neo1973_resume_reason_remove, + .driver = { + .name = "neo1973-resume", + }, +}; + +static int __devinit neo1973_resume_reason_init(void) +{ + return platform_driver_register(&neo1973_resume_reason_driver); +} + +static void neo1973_resume_reason_exit(void) +{ + platform_driver_unregister(&neo1973_resume_reason_driver); +} + +module_init(neo1973_resume_reason_init); +module_exit(neo1973_resume_reason_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Andy Green <andy@openmoko.com>"); +MODULE_DESCRIPTION("Neo1973 resume_reason"); |