diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch b/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch new file mode 100644 index 0000000000..e05e051830 --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.30/056-pcf50633.patch @@ -0,0 +1,375 @@ +Index: linux-2.6.30-rc6/drivers/mfd/pcf50633-core.c +=================================================================== +--- linux-2.6.30-rc6.orig/drivers/mfd/pcf50633-core.c 2009-05-16 06:12:57.000000000 +0200 ++++ linux-2.6.30-rc6/drivers/mfd/pcf50633-core.c 2009-05-18 19:08:33.000000000 +0200 +@@ -15,6 +15,7 @@ + #include <linux/kernel.h> + #include <linux/device.h> + #include <linux/sysfs.h> ++#include <linux/device.h> + #include <linux/module.h> + #include <linux/types.h> + #include <linux/interrupt.h> +@@ -345,6 +346,8 @@ + goto out; + } + ++ pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN, 0x04 ); /* defeat 8s death from lowsys on A5 */ ++ + /* We immediately read the usb and adapter status. We thus make sure + * only of USBINS/USBREM IRQ handlers are called */ + if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) { +@@ -443,7 +446,8 @@ + dev_dbg(pcf->dev, "pcf50633_irq\n"); + + get_device(pcf->dev); +- disable_irq(pcf->irq); ++ disable_irq_nosync(pcf->irq); ++ + schedule_work(&pcf->irq_work); + + return IRQ_HANDLED; +@@ -482,13 +486,13 @@ + } + + #ifdef CONFIG_PM +-static int pcf50633_suspend(struct device *dev, pm_message_t state) ++static int pcf50633_suspend(struct i2c_client *client, pm_message_t state) + { + struct pcf50633 *pcf; + int ret = 0, i; + u8 res[5]; + +- pcf = dev_get_drvdata(dev); ++ pcf = i2c_get_clientdata(client); + + /* Make sure our interrupt handlers are not called + * henceforth */ +@@ -523,12 +527,12 @@ + return ret; + } + +-static int pcf50633_resume(struct device *dev) ++static int pcf50633_resume(struct i2c_client *client) + { + struct pcf50633 *pcf; + int ret; + +- pcf = dev_get_drvdata(dev); ++ pcf = i2c_get_clientdata(client); + + /* Write the saved mask registers */ + ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M, +@@ -625,6 +629,7 @@ + } + + if (client->irq) { ++ set_irq_handler(client->irq, handle_level_irq); + ret = request_irq(client->irq, pcf50633_irq, + IRQF_TRIGGER_LOW, "pcf50633", pcf); + +@@ -683,12 +688,12 @@ + static struct i2c_driver pcf50633_driver = { + .driver = { + .name = "pcf50633", +- .suspend = pcf50633_suspend, +- .resume = pcf50633_resume, + }, + .id_table = pcf50633_id_table, + .probe = pcf50633_probe, + .remove = __devexit_p(pcf50633_remove), ++ .suspend = pcf50633_suspend, ++ .resume = pcf50633_resume, + }; + + static int __init pcf50633_init(void) +Index: linux-2.6.30-rc6/drivers/power/pcf50633-charger.c +=================================================================== +--- linux-2.6.30-rc6.orig/drivers/power/pcf50633-charger.c 2009-05-16 06:12:57.000000000 +0200 ++++ linux-2.6.30-rc6/drivers/power/pcf50633-charger.c 2009-05-18 19:08:33.000000000 +0200 +@@ -36,6 +36,7 @@ + + struct power_supply usb; + struct power_supply adapter; ++ struct power_supply ac; + + struct delayed_work charging_restart_work; + }; +@@ -47,16 +48,21 @@ + u8 bits; + int charging_start = 1; + u8 mbcs2, chgmod; ++ unsigned int mbcc5; + +- if (ma >= 1000) ++ if (ma >= 1000) { + bits = PCF50633_MBCC7_USB_1000mA; +- else if (ma >= 500) ++ ma = 1000; ++ } else if (ma >= 500) { + bits = PCF50633_MBCC7_USB_500mA; +- else if (ma >= 100) ++ ma = 500; ++ } else if (ma >= 100) { + bits = PCF50633_MBCC7_USB_100mA; +- else { ++ ma = 100; ++ } else { + bits = PCF50633_MBCC7_USB_SUSPEND; + charging_start = 0; ++ ma = 0; + } + + ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7, +@@ -66,7 +72,22 @@ + else + dev_info(pcf->dev, "usb curlim to %d mA\n", ma); + +- /* Manual charging start */ ++ /* ++ * We limit the charging current to be the USB current limit. ++ * The reason is that on pcf50633, when it enters PMU Standby mode, ++ * which it does when the device goes "off", the USB current limit ++ * reverts to the variant default. In at least one common case, that ++ * default is 500mA. By setting the charging current to be the same ++ * as the USB limit we set here before PMU standby, we enforce it only ++ * using the correct amount of current even when the USB current limit ++ * gets reset to the wrong thing ++ */ ++ ++ mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma; ++ if (mbcc5 > 255) ++ mbcc5 = 255; ++ pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5); ++ + mbcs2 = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); + chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK); + +@@ -81,7 +102,7 @@ + PCF50633_MBCC1_RESUME, PCF50633_MBCC1_RESUME); + + mbc->usb_active = charging_start; +- ++ + power_supply_changed(&mbc->usb); + + return ret; +@@ -156,9 +177,44 @@ + + static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim); + ++static ssize_t ++show_chglim(struct device *dev, struct device_attribute *attr, char *buf) ++{ ++ struct pcf50633_mbc *mbc = dev_get_drvdata(dev); ++ u8 mbcc5 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC5); ++ unsigned int ma; ++ ++ ma = (mbc->pcf->pdata->chg_ref_current_ma * mbcc5) >> 8; ++ ++ return sprintf(buf, "%u\n", ma); ++} ++ ++static ssize_t set_chglim(struct device *dev, ++ struct device_attribute *attr, const char *buf, size_t count) ++{ ++ struct pcf50633_mbc *mbc = dev_get_drvdata(dev); ++ unsigned long ma; ++ unsigned int mbcc5; ++ int ret; ++ ++ ret = strict_strtoul(buf, 10, &ma); ++ if (ret) ++ return -EINVAL; ++ ++ mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma; ++ if (mbcc5 > 255) ++ mbcc5 = 255; ++ pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5); ++ ++ return count; ++} ++ ++static DEVICE_ATTR(chg_curlim, S_IRUGO | S_IWUSR, show_chglim, set_chglim); ++ + static struct attribute *pcf50633_mbc_sysfs_entries[] = { + &dev_attr_chgmode.attr, + &dev_attr_usb_curlim.attr, ++ &dev_attr_chg_curlim.attr, + NULL, + }; + +@@ -239,6 +295,7 @@ + + power_supply_changed(&mbc->usb); + power_supply_changed(&mbc->adapter); ++ power_supply_changed(&mbc->ac); + + if (mbc->pcf->pdata->mbc_event_callback) + mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq); +@@ -248,8 +305,7 @@ + enum power_supply_property psp, + union power_supply_propval *val) + { +- struct pcf50633_mbc *mbc = container_of(psy, +- struct pcf50633_mbc, adapter); ++ struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, adapter); + int ret = 0; + + switch (psp) { +@@ -269,10 +325,34 @@ + { + struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb); + int ret = 0; ++ u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) & ++ PCF50633_MBCC7_USB_MASK; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: +- val->intval = mbc->usb_online; ++ val->intval = mbc->usb_online && ++ (usblim <= PCF50633_MBCC7_USB_500mA); ++ break; ++ default: ++ ret = -EINVAL; ++ break; ++ } ++ return ret; ++} ++ ++static int ac_get_property(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, ac); ++ int ret = 0; ++ u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) & ++ PCF50633_MBCC7_USB_MASK; ++ ++ switch (psp) { ++ case POWER_SUPPLY_PROP_ONLINE: ++ val->intval = mbc->usb_online && ++ (usblim == PCF50633_MBCC7_USB_1000mA); + break; + default: + ret = -EINVAL; +@@ -337,6 +417,17 @@ + mbc->usb.supplied_to = mbc->pcf->pdata->batteries; + mbc->usb.num_supplicants = mbc->pcf->pdata->num_batteries; + ++ mbc->ac.name = "ac"; ++ mbc->ac.type = POWER_SUPPLY_TYPE_MAINS; ++ mbc->ac.properties = power_props; ++ mbc->ac.num_properties = ARRAY_SIZE(power_props); ++ mbc->ac.get_property = ac_get_property; ++ mbc->ac.supplied_to = mbc->pcf->pdata->batteries; ++ mbc->ac.num_supplicants = mbc->pcf->pdata->num_batteries; ++ ++ INIT_DELAYED_WORK(&mbc->charging_restart_work, ++ pcf50633_mbc_charging_restart); ++ + ret = power_supply_register(&pdev->dev, &mbc->adapter); + if (ret) { + dev_err(mbc->pcf->dev, "failed to register adapter\n"); +@@ -352,9 +443,15 @@ + return ret; + } + +- INIT_DELAYED_WORK(&mbc->charging_restart_work, +- pcf50633_mbc_charging_restart); +- ++ ret = power_supply_register(&pdev->dev, &mbc->ac); ++ if (ret) { ++ dev_err(mbc->pcf->dev, "failed to register ac\n"); ++ power_supply_unregister(&mbc->adapter); ++ power_supply_unregister(&mbc->usb); ++ kfree(mbc); ++ return ret; ++ } ++ + ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group); + if (ret) + dev_err(mbc->pcf->dev, "failed to create sysfs entries\n"); +Index: linux-2.6.30-rc6/drivers/rtc/rtc-pcf50633.c +=================================================================== +--- linux-2.6.30-rc6.orig/drivers/rtc/rtc-pcf50633.c 2009-05-16 06:12:57.000000000 +0200 ++++ linux-2.6.30-rc6/drivers/rtc/rtc-pcf50633.c 2009-05-18 19:08:33.000000000 +0200 +@@ -58,6 +58,7 @@ + struct pcf50633_rtc { + int alarm_enabled; + int second_enabled; ++ int alarm_pending; + + struct pcf50633 *pcf; + struct rtc_device *rtc_dev; +@@ -70,7 +71,7 @@ + rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]); + rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]); + rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]); +- rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]); ++ rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]) - 1; + rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100; + } + +@@ -81,7 +82,7 @@ + pcf->time[PCF50633_TI_HOUR] = bin2bcd(rtc->tm_hour); + pcf->time[PCF50633_TI_WKDAY] = bin2bcd(rtc->tm_wday); + pcf->time[PCF50633_TI_DAY] = bin2bcd(rtc->tm_mday); +- pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon); ++ pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon + 1); + pcf->time[PCF50633_TI_YEAR] = bin2bcd(rtc->tm_year % 100); + } + +@@ -209,6 +210,7 @@ + rtc = dev_get_drvdata(dev); + + alrm->enabled = rtc->alarm_enabled; ++ alrm->pending = rtc->alarm_pending; + + ret = pcf50633_read_block(rtc->pcf, PCF50633_REG_RTCSCA, + PCF50633_TI_EXTENT, &pcf_tm.time[0]); +@@ -244,9 +246,12 @@ + /* Returns 0 on success */ + ret = pcf50633_write_block(rtc->pcf, PCF50633_REG_RTCSCA, + PCF50633_TI_EXTENT, &pcf_tm.time[0]); ++ if (!alrm->enabled) ++ rtc->alarm_pending = 0; + +- if (!alarm_masked) ++ if (!alarm_masked || alrm->enabled) + pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM); ++ rtc->alarm_enabled = alrm->enabled; + + return ret; + } +@@ -267,6 +272,7 @@ + switch (irq) { + case PCF50633_IRQ_ALARM: + rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF); ++ rtc->alarm_pending = 1; + break; + case PCF50633_IRQ_SECOND: + rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF); +Index: linux-2.6.30-rc6/include/linux/mfd/pcf50633/core.h +=================================================================== +--- linux-2.6.30-rc6.orig/include/linux/mfd/pcf50633/core.h 2009-05-16 06:12:57.000000000 +0200 ++++ linux-2.6.30-rc6/include/linux/mfd/pcf50633/core.h 2009-05-18 19:08:33.000000000 +0200 +@@ -31,6 +31,8 @@ + + int charging_restart_interval; + ++ int chg_ref_current_ma; ++ + /* Callbacks */ + void (*probe_done)(struct pcf50633 *); + void (*mbc_event_callback)(struct pcf50633 *, int); +@@ -208,7 +210,8 @@ + }; + + /* misc. registers */ +-#define PCF50633_REG_OOCSHDWN 0x0c ++#define PCF50633_REG_OOCSHDWN 0x0c ++#define PCF50633_OOCSHDWN_GOSTDBY 0x01 + + /* LED registers */ + #define PCF50633_REG_LEDOUT 0x28 |