diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1161-add-resume-reason-sysfs.patch.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1161-add-resume-reason-sysfs.patch.patch | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1161-add-resume-reason-sysfs.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1161-add-resume-reason-sysfs.patch.patch new file mode 100644 index 0000000000..9a6f783f8d --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.24/1161-add-resume-reason-sysfs.patch.patch @@ -0,0 +1,384 @@ +From 595053e2185b896afe50af6bb48c082e3adcdd31 Mon Sep 17 00:00:00 2001 +From: Andy Green <andy@openmoko.com> +Date: Mon, 26 May 2008 12:39:29 +0100 +Subject: [PATCH] add-resume-reason-sysfs.patch + +If you have U-Boot with uboot-add-find-wake-reason.patch, this +patch will get you a wake reason report from + +cat /sys/devices/platform/neo1973-resume.0/resume_reason + +it looks like this: + + EINT00_ACCEL1 + EINT01_GSM + EINT02_BLUETOOTH + EINT03_DEBUGBRD + EINT04_JACK + EINT05_WLAN + EINT06_AUXKEY + EINT07_HOLDKEY + EINT08_ACCEL2 +* EINT09_PMU + adpins + adprem + usbins + usbrem + rtcalarm + second + onkeyr + onkeyf + exton1r + exton1f + exton2r + exton2f + exton3r + exton3f + * batfull + chghalt + thlimon + thlimoff + usblimon + usblimoff + adcrdy + onkey1s + lowsys + lowbat + hightmp + autopwrfail + dwn1pwrfail + dwn2pwrfail + ledpwrfail + ledovp + ldo1pwrfail + ldo2pwrfail + ldo3pwrfail + ldo4pwrfail + ldo5pwrfail + ldo6pwrfail + hcidopwrfail + hcidoovl + EINT10_NULL + EINT11_NULL + EINT12_GLAMO + EINT13_NULL + EINT14_NULL + EINT15_NULL + +This shows a problem, false wake from suspend due to battery full + +Signed-off-by: Andy Green <andy@openmoko.com> +--- + arch/arm/mach-s3c2440/mach-gta02.c | 5 + + arch/arm/plat-s3c24xx/Makefile | 4 +- + arch/arm/plat-s3c24xx/neo1973_pm_resume_reason.c | 134 ++++++++++++++++++++++ + drivers/i2c/chips/pcf50633.c | 80 +++++++++++++ + include/linux/pcf50633.h | 4 + + 5 files changed, 225 insertions(+), 2 deletions(-) + create mode 100644 arch/arm/plat-s3c24xx/neo1973_pm_resume_reason.c + +diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c +index 9e8fae7..90b62c1 100644 +--- a/arch/arm/mach-s3c2440/mach-gta02.c ++++ b/arch/arm/mach-s3c2440/mach-gta02.c +@@ -378,6 +378,10 @@ struct platform_device gta02_version_device = { + .num_resources = 0, + }; + ++struct platform_device gta02_resume_reason_device = { ++ .name = "neo1973-resume", ++ .num_resources = 0, ++}; + + static struct map_desc gta02_iodesc[] __initdata = { + { +@@ -737,6 +741,7 @@ static struct platform_device *gta02_devices[] __initdata = { + >a02_nor_flash, + &sc32440_fiq_device, + >a02_version_device, ++ >a02_resume_reason_device, + &s3c24xx_pwm_device, + }; + +diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile +index 0efcc15..21f5159 100644 +--- a/arch/arm/plat-s3c24xx/Makefile ++++ b/arch/arm/plat-s3c24xx/Makefile +@@ -33,5 +33,5 @@ obj-$(CONFIG_MACH_NEO1973) += neo1973_version.o \ + neo1973_pm_gsm.o \ + neo1973_pm_gps.o \ + neo1973_pm_bt.o \ +- neo1973_shadow.o +- ++ neo1973_shadow.o \ ++ neo1973_pm_resume_reason.o +diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_resume_reason.c b/arch/arm/plat-s3c24xx/neo1973_pm_resume_reason.c +new file mode 100644 +index 0000000..cca42dc +--- /dev/null ++++ b/arch/arm/plat-s3c24xx/neo1973_pm_resume_reason.c +@@ -0,0 +1,134 @@ ++/* ++ * 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 <asm/hardware.h> ++#include <asm/mach-types.h> ++ ++#ifdef CONFIG_MACH_NEO1973_GTA02 ++#include <asm/arch/gta02.h> ++#include <linux/pcf50633.h> ++ ++ ++static unsigned int *gstatus4_mapped; ++static char *resume_reasons[] = { ++ "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; ++ ++ for (bit = 0; resume_reasons[bit]; bit++) { ++ if ((*gstatus4_mapped) & (1 << bit)) ++ end += sprintf(end, "* %s\n", resume_reasons[bit]); ++ else ++ end += sprintf(end, " %s\n", resume_reasons[bit]); ++ ++ if (bit == 9) /* PMU */ ++ end += pcf50633_report_resumers(pcf50633_global, end); ++ } ++ ++ 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"); ++ ++ switch (machine_arch_type) { ++#ifdef CONFIG_MACH_NEO1973_GTA01 ++ case MACH_TYPE_NEO1973_GTA01: ++ return -EINVAL; ++#endif /* CONFIG_MACH_NEO1973_GTA01 */ ++ default: ++ gstatus4_mapped = ioremap(0x560000BC, 0x4); ++ if (!gstatus4_mapped) { ++ dev_err(&pdev->dev, "failed to ioremap() memory region\n"); ++ return -EINVAL; ++ } ++ break; ++ } ++ ++ 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"); ++#endif +diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c +index e3f0271..6d07aa5 100644 +--- a/drivers/i2c/chips/pcf50633.c ++++ b/drivers/i2c/chips/pcf50633.c +@@ -120,6 +120,8 @@ struct pcf50633_data { + int allow_close; + int onkey_seconds; + int irq; ++ int have_been_suspended; ++ unsigned char pcfirq_resume[5]; + + int coldplug_done; /* cleared by probe, set by first work service */ + int flag_bat_voltage_read; /* ipc to /sys batt voltage read func */ +@@ -597,6 +599,17 @@ static void pcf50633_work(struct work_struct *work) + return; + } + ++ /* hey did we just resume? */ ++ ++ if (pcf->have_been_suspended) { ++ pcf->have_been_suspended = 0; ++ /* ++ * grab a copy of resume interrupt reasons ++ * from pcf50633 POV ++ */ ++ memcpy(pcf->pcfirq_resume, pcfirq, sizeof(pcf->pcfirq_resume)); ++ } ++ + if (!pcf->coldplug_done) { + DEBUGP("PMU Coldplug init\n"); + +@@ -1866,6 +1879,71 @@ static int pcf50633_detach_client(struct i2c_client *client) + return 0; + } + ++/* you're going to need >300 bytes in buf */ ++ ++int pcf50633_report_resumers(struct pcf50633_data *pcf, char *buf) ++{ ++ static char *int_names[] = { ++ "adpins", ++ "adprem", ++ "usbins", ++ "usbrem", ++ NULL, ++ NULL, ++ "rtcalarm", ++ "second", ++ ++ "onkeyr", ++ "onkeyf", ++ "exton1r", ++ "exton1f", ++ "exton2r", ++ "exton2f", ++ "exton3r", ++ "exton3f", ++ ++ "batfull", ++ "chghalt", ++ "thlimon", ++ "thlimoff", ++ "usblimon", ++ "usblimoff", ++ "adcrdy", ++ "onkey1s", ++ ++ "lowsys", ++ "lowbat", ++ "hightmp", ++ "autopwrfail", ++ "dwn1pwrfail", ++ "dwn2pwrfail", ++ "ledpwrfail", ++ "ledovp", ++ ++ "ldo1pwrfail", ++ "ldo2pwrfail", ++ "ldo3pwrfail", ++ "ldo4pwrfail", ++ "ldo5pwrfail", ++ "ldo6pwrfail", ++ "hcidopwrfail", ++ "hcidoovl" ++ }; ++ char *end = buf; ++ int n; ++ ++ for (n = 0; n < 40; n++) ++ if (int_names[n]) { ++ if (pcf->pcfirq_resume[n >> 3] & (1 >> (n & 7))) ++ end += sprintf(end, " * %s\n", int_names[n]); ++ else ++ end += sprintf(end, " %s\n", int_names[n]); ++ } ++ ++ return end - buf; ++} ++ ++ + #ifdef CONFIG_PM + #define INT1M_RESUMERS (PCF50633_INT1_ADPINS | \ + PCF50633_INT1_ADPREM | \ +@@ -1948,6 +2026,8 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state) + __reg_write(pcf, PCF50633_REG_INT4M, ~INT4M_RESUMERS & 0xff); + __reg_write(pcf, PCF50633_REG_INT5M, ~INT5M_RESUMERS & 0xff); + ++ pcf->have_been_suspended = 1; ++ + mutex_unlock(&pcf->lock); + + return 0; +diff --git a/include/linux/pcf50633.h b/include/linux/pcf50633.h +index 05b55f3..be3957f 100644 +--- a/include/linux/pcf50633.h ++++ b/include/linux/pcf50633.h +@@ -67,6 +67,10 @@ pcf50633_backlight_resume(struct pcf50633_data *pcf); + extern u_int16_t + pcf50633_battvolt(struct pcf50633_data *pcf); + ++extern int ++pcf50633_report_resumers(struct pcf50633_data *pcf, char *buf); ++ ++ + #define PCF50633_FEAT_EXTON 0x00000001 /* not yet supported */ + #define PCF50633_FEAT_MBC 0x00000002 + #define PCF50633_FEAT_BBC 0x00000004 /* not yet supported */ +-- +1.5.6.5 + |