aboutsummaryrefslogtreecommitdiffstats
path: root/net/netlink
Commit message (Expand)AuthorAge
* Merge branch 'audit.b10' of git://git.kernel.org/pub/scm/linux/kernel/git/vir...Linus Torvalds2006-05-02
|\
| * [PATCH] Reworked patch for labels on user space messagesSteve Grubb2006-05-01
* | [NETLINK]: cleanup unused macro in net/netlink/af_netlink.cSoyoung Park2006-04-29
|/
* [PATCH] Notifier chain update: API changesAlan Stern2006-03-27
* [PATCH] sem2mutex: misc static one-file mutexesIngo Molnar2006-03-26
* [NETLINK]: Add netlink_has_listeners for avoiding unneccessary event message ...Patrick McHardy2006-03-20
* [NETLINK]: Fix use-after-free in netlink_recvmsgPatrick McHardy2006-03-12
* [NETLINK] genetlink: Fix bugs spotted by Andrew Morton.Jamal Hadi Salim2006-02-13
* [NETLINK]: Fix a severe bugAlexey Kuznetsov2006-02-09
* [PATCH] genetlink: don't touch module ref countPer Liden2006-01-13
* [PATCH] capable/capability.h (net/)Randy Dunlap2006-01-11
* [AF_NETLINK]: Fix DoS in netlink_rcv_skb()Martin Murray2006-01-10
* [PATCH] netlink oops fix due to incorrect error codeKirill Korotaev2006-01-09
* [NETLINK] genetlink: fix cmd type in genl_ops to be consistent to u8Per Liden2006-01-03
* [NET]: move struct proto_ops to constEric Dumazet2006-01-03
* [NETLINK]: Use tgid instead of pid for nlmsg_pidHerbert Xu2005-11-22
* [NETLINK]: Generic netlink familyThomas Graf2005-11-09
* [NETLINK]: Generic netlink receive queue processorThomas Graf2005-11-09
* [NETLINK]: Make netlink_callback->done() optionalThomas Graf2005-11-09
* [NETLINK]: Type-safe netlink messages/attributes interfaceThomas Graf2005-11-09
* Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6.15Linus Torvalds2005-10-28
|\
| * [NETLINK]: Remove dead code in af_netlink.cJayachandran C2005-10-25
* | [PATCH] gfp_t: net/*Al Viro2005-10-28
|/
* [PATCH] gfp flags annotations - part 1Al Viro2005-10-08
* [NETLINK]: Don't prevent creating sockets when no kernel socket is registeredPatrick McHardy2005-09-06
* [NETLINK]: Fix sparse warningsArnaldo Carvalho de Melo2005-08-29
* [NETLINK]: Add "groups" argument to netlink_kernel_createPatrick McHardy2005-08-29
* [NETLINK]: Add set/getsockopt options to support more than 32 groupsPatrick McHardy2005-08-29
* [NETLINK]: Support dynamic number of multicast groups per netlink familyPatrick McHardy2005-08-29
* [NETLINK]: Return -EPROTONOSUPPORT in netlink_create() if no kernel socket is...Patrick McHardy2005-08-29
* [NETLINK]: Use group numbers instead of bitmasks internallyPatrick McHardy2005-08-29
* [NETLINK]: Fix module refcounting problemsPatrick McHardy2005-08-29
* [NETLINK]: Remove unused groups member from struct netlink_skb_parmsPatrick McHardy2005-08-29
* [NETLINK]: Add properly module refcounting for kernel netlink sockets.Harald Welte2005-08-29
* [NETLINK]: Fix "nocast type" warningsVictor Fusco2005-07-18
* [NET]: Transform skb_queue_len() binary tests into skb_queue_empty()David S. Miller2005-07-08
* [NETLINK]: Fix two socket hashing bugs.David S. Miller2005-06-26
* [NETLINK]: Introduce NLMSG_NEW macro to better handle netlink flagsThomas Graf2005-06-19
* [NETLINK]: Defer socket destruction a bitTommy S. Christensen2005-05-19
* [NETLINK]: Move broadcast skb_orphan to the skb_get path.Tommy S. Christensen2005-05-19
* [NETLINK]: Fix race with recvmsg().Tommy S. Christensen2005-05-19
* Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.gitDavid Woodhouse2005-05-05
|\
| * [NETLINK]: cb_lock does not needs ref count on skHerbert Xu2005-05-03
* | netlink audit warning fixAndrew Morton2005-04-30
* | Add audit uid to netlink credentialsSerge Hallyn2005-04-29
|/
* [PATCH] kill gratitious includes of major.h under net/*Al Viro2005-04-25
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-09 20:19:08 -0400
t">; }; static int lp8727_i2c_read(struct lp8727_chg *pchg, u8 reg, u8 * data, u8 len) { s32 ret; mutex_lock(&pchg->xfer_lock); ret = i2c_smbus_read_i2c_block_data(pchg->client, reg, len, data); mutex_unlock(&pchg->xfer_lock); return (ret != len) ? -EIO : 0; } static int lp8727_i2c_write(struct lp8727_chg *pchg, u8 reg, u8 * data, u8 len) { s32 ret; mutex_lock(&pchg->xfer_lock); ret = i2c_smbus_write_i2c_block_data(pchg->client, reg, len, data); mutex_unlock(&pchg->xfer_lock); return ret; } static inline int lp8727_i2c_read_byte(struct lp8727_chg *pchg, u8 reg, u8 * data) { return lp8727_i2c_read(pchg, reg, data, 1); } static inline int lp8727_i2c_write_byte(struct lp8727_chg *pchg, u8 reg, u8 * data) { return lp8727_i2c_write(pchg, reg, data, 1); } static int lp8727_is_charger_attached(const char *name, int id) { if (name) { if (!strcmp(name, "ac")) return (id == ID_TA || id == ID_DEDICATED_CHG) ? 1 : 0; else if (!strcmp(name, "usb")) return (id == ID_USB_CHG) ? 1 : 0; } return (id >= ID_TA && id <= ID_USB_CHG) ? 1 : 0; } static void lp8727_init_device(struct lp8727_chg *pchg) { u8 val; val = ID200_EN | ADC_EN | CP_EN; if (lp8727_i2c_write_byte(pchg, CTRL1, &val)) dev_err(pchg->dev, "i2c write err : addr=0x%.2x\n", CTRL1); val = INT_EN | CHGDET_EN; if (lp8727_i2c_write_byte(pchg, CTRL2, &val)) dev_err(pchg->dev, "i2c write err : addr=0x%.2x\n", CTRL2); } static int lp8727_is_dedicated_charger(struct lp8727_chg *pchg) { u8 val; (void)lp8727_i2c_read_byte(pchg, STATUS1, &val); return (val & DCPORT); } static int lp8727_is_usb_charger(struct lp8727_chg *pchg) { u8 val; (void)lp8727_i2c_read_byte(pchg, STATUS1, &val); return (val & CHPORT); } static void lp8727_ctrl_switch(struct lp8727_chg *pchg, u8 sw) { u8 val = sw; (void)lp8727_i2c_write_byte(pchg, SWCTRL, &val); } static void lp8727_id_detection(struct lp8727_chg *pchg, u8 id, int vbusin) { u8 devid = ID_NONE; u8 swctrl = SW_DM1_HiZ | SW_DP2_HiZ; switch (id) { case 0x5: devid = ID_TA; pchg->chg_parm = &pchg->pdata->ac; break; case 0xB: if (lp8727_is_dedicated_charger(pchg)) { pchg->chg_parm = &pchg->pdata->ac; devid = ID_DEDICATED_CHG; } else if (lp8727_is_usb_charger(pchg)) { pchg->chg_parm = &pchg->pdata->usb; devid = ID_USB_CHG; swctrl = SW_DM1_DM | SW_DP2_DP; } else if (vbusin) { devid = ID_USB_DS; swctrl = SW_DM1_DM | SW_DP2_DP; } break; default: devid = ID_NONE; pchg->chg_parm = NULL; break; } pchg->devid = devid; lp8727_ctrl_switch(pchg, swctrl); } static void lp8727_enable_chgdet(struct lp8727_chg *pchg) { u8 val; (void)lp8727_i2c_read_byte(pchg, CTRL2, &val); val |= CHGDET_EN; (void)lp8727_i2c_write_byte(pchg, CTRL2, &val); } static void lp8727_delayed_func(struct work_struct *_work) { u8 intstat[2], idno, vbus; struct lp8727_chg *pchg = container_of(_work, struct lp8727_chg, work.work); if (lp8727_i2c_read(pchg, INT1, intstat, 2)) { dev_err(pchg->dev, "can not read INT registers\n"); return; } idno = intstat[0] & IDNO; vbus = intstat[0] & VBUS; lp8727_id_detection(pchg, idno, vbus); lp8727_enable_chgdet(pchg); power_supply_changed(&pchg->psy->ac); power_supply_changed(&pchg->psy->usb); power_supply_changed(&pchg->psy->batt); } static irqreturn_t lp8727_isr_func(int irq, void *ptr) { struct lp8727_chg *pchg = ptr; unsigned long delay = msecs_to_jiffies(DEBOUNCE_MSEC); queue_delayed_work(pchg->irqthread, &pchg->work, delay); return IRQ_HANDLED; } static void lp8727_intr_config(struct lp8727_chg *pchg) { INIT_DELAYED_WORK(&pchg->work, lp8727_delayed_func); pchg->irqthread = create_singlethread_workqueue("lp8727-irqthd"); if (!pchg->irqthread) dev_err(pchg->dev, "can not create thread for lp8727\n"); if (request_threaded_irq(pchg->client->irq, NULL, lp8727_isr_func, IRQF_TRIGGER_FALLING, "lp8727_irq", pchg)) { dev_err(pchg->dev, "lp8727 irq can not be registered\n"); } } static enum power_supply_property lp8727_charger_prop[] = { POWER_SUPPLY_PROP_ONLINE, }; static enum power_supply_property lp8727_battery_prop[] = { POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_TEMP, }; static char *battery_supplied_to[] = { "main_batt", }; static int lp8727_charger_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct lp8727_chg *pchg = dev_get_drvdata(psy->dev->parent); if (psp == POWER_SUPPLY_PROP_ONLINE) { val->intval = lp8727_is_charger_attached(psy->name, pchg->devid); } return 0; } static int lp8727_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct lp8727_chg *pchg = dev_get_drvdata(psy->dev->parent); u8 read; switch (psp) { case POWER_SUPPLY_PROP_STATUS: if (lp8727_is_charger_attached(psy->name, pchg->devid)) { (void)lp8727_i2c_read_byte(pchg, STATUS1, &read); if (((read & CHGSTAT) >> 4) == EOC) val->intval = POWER_SUPPLY_STATUS_FULL; else val->intval = POWER_SUPPLY_STATUS_CHARGING; } else { val->intval = POWER_SUPPLY_STATUS_DISCHARGING; } break; case POWER_SUPPLY_PROP_HEALTH: (void)lp8727_i2c_read_byte(pchg, STATUS2, &read); read = (read & TEMP_STAT) >> 5; if (read >= 0x1 && read <= 0x3) val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; else val->intval = POWER_SUPPLY_HEALTH_GOOD; break; case POWER_SUPPLY_PROP_PRESENT: if (pchg->pdata->get_batt_present) val->intval = pchg->pdata->get_batt_present(); break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: if (pchg->pdata->get_batt_level) val->intval = pchg->pdata->get_batt_level(); break; case POWER_SUPPLY_PROP_CAPACITY: if (pchg->pdata->get_batt_capacity) val->intval = pchg->pdata->get_batt_capacity(); break; case POWER_SUPPLY_PROP_TEMP: if (pchg->pdata->get_batt_temp) val->intval = pchg->pdata->get_batt_temp(); break; default: break; } return 0; } static void lp8727_charger_changed(struct power_supply *psy) { struct lp8727_chg *pchg = dev_get_drvdata(psy->dev->parent); u8 val; u8 eoc_level, ichg; if (lp8727_is_charger_attached(psy->name, pchg->devid)) { if (pchg->chg_parm) { eoc_level = pchg->chg_parm->eoc_level; ichg = pchg->chg_parm->ichg; val = (ichg << 4) | eoc_level; (void)lp8727_i2c_write_byte(pchg, CHGCTRL2, &val); } } } static int lp8727_register_psy(struct lp8727_chg *pchg) { struct lp8727_psy *psy; psy = kzalloc(sizeof(*psy), GFP_KERNEL); if (!psy) goto err_mem; pchg->psy = psy; psy->ac.name = "ac"; psy->ac.type = POWER_SUPPLY_TYPE_MAINS; psy->ac.properties = lp8727_charger_prop; psy->ac.num_properties = ARRAY_SIZE(lp8727_charger_prop); psy->ac.get_property = lp8727_charger_get_property; psy->ac.supplied_to = battery_supplied_to; psy->ac.num_supplicants = ARRAY_SIZE(battery_supplied_to); if (power_supply_register(pchg->dev, &psy->ac)) goto err_psy; psy->usb.name = "usb"; psy->usb.type = POWER_SUPPLY_TYPE_USB; psy->usb.properties = lp8727_charger_prop; psy->usb.num_properties = ARRAY_SIZE(lp8727_charger_prop); psy->usb.get_property = lp8727_charger_get_property; psy->usb.supplied_to = battery_supplied_to; psy->usb.num_supplicants = ARRAY_SIZE(battery_supplied_to); if (power_supply_register(pchg->dev, &psy->usb)) goto err_psy; psy->batt.name = "main_batt"; psy->batt.type = POWER_SUPPLY_TYPE_BATTERY; psy->batt.properties = lp8727_battery_prop; psy->batt.num_properties = ARRAY_SIZE(lp8727_battery_prop); psy->batt.get_property = lp8727_battery_get_property; psy->batt.external_power_changed = lp8727_charger_changed; if (power_supply_register(pchg->dev, &psy->batt)) goto err_psy; return 0; err_mem: return -ENOMEM; err_psy: kfree(psy); return -EPERM; } static void lp8727_unregister_psy(struct lp8727_chg *pchg) { struct lp8727_psy *psy = pchg->psy; if (psy) { power_supply_unregister(&psy->ac); power_supply_unregister(&psy->usb); power_supply_unregister(&psy->batt); kfree(psy); } } static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id) { struct lp8727_chg *pchg; int ret; pchg = kzalloc(sizeof(*pchg), GFP_KERNEL); if (!pchg) return -ENOMEM; pchg->client = cl; pchg->dev = &cl->dev; pchg->pdata = cl->dev.platform_data; i2c_set_clientdata(cl, pchg); mutex_init(&pchg->xfer_lock); lp8727_init_device(pchg); lp8727_intr_config(pchg); ret = lp8727_register_psy(pchg); if (ret) { dev_err(pchg->dev, "can not register power supplies. err=%d", ret); } return 0; } static int __devexit lp8727_remove(struct i2c_client *cl) { struct lp8727_chg *pchg = i2c_get_clientdata(cl); lp8727_unregister_psy(pchg); free_irq(pchg->client->irq, pchg); flush_workqueue(pchg->irqthread); destroy_workqueue(pchg->irqthread); kfree(pchg); return 0; } static const struct i2c_device_id lp8727_ids[] = { {"lp8727", 0}, }; static struct i2c_driver lp8727_driver = { .driver = { .name = "lp8727", }, .probe = lp8727_probe, .remove = __devexit_p(lp8727_remove), .id_table = lp8727_ids, }; static int __init lp8727_init(void) { return i2c_add_driver(&lp8727_driver); } static void __exit lp8727_chg_exit(void) { i2c_del_driver(&lp8727_driver); } module_init(lp8727_init); module_exit(lp8727_chg_exit); MODULE_DESCRIPTION("National Semiconductor LP8727 charger driver"); MODULE_AUTHOR("Woogyom Kim <milo.kim@nsc.com>"); MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-09 20:19:08 -0400