static void mtd_notify_add(struct mtd_info* mtd)
{
if (!mtd)
return;
#ifdef CONFIG_ARCH_MV88DE3010
if (mtd->name && (strcmp(mtd->name, "mv_nand") == 0)) {
device_create_drvdata(mtd_class, NULL,
MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
NULL, "mtd_mv");
device_create_drvdata(mtd_class, NULL,
MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1),
NULL, "mtdro_mv");
return;
}
#endif
device_create_drvdata(mtd_class, NULL,
MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
NULL, "mtd%d", mtd->index);
device_create_drvdata(mtd_class, NULL,
MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1),
NULL, "mtd%dro", mtd->index);
}
int power_supply_register(struct device *parent, struct power_supply *psy)
{
int rc = 0;
psy->dev = device_create_drvdata(power_supply_class, parent, 0,
psy, "%s", psy->name);
if (IS_ERR(psy->dev)) {
rc = PTR_ERR(psy->dev);
goto dev_create_failed;
}
INIT_WORK(&psy->changed_work, power_supply_changed_work);
rc = power_supply_create_attrs(psy);
if (rc)
goto create_attrs_failed;
rc = power_supply_create_triggers(psy);
if (rc)
goto create_triggers_failed;
power_supply_changed(psy);
goto success;
create_triggers_failed:
power_supply_remove_attrs(psy);
create_attrs_failed:
device_unregister(psy->dev);
dev_create_failed:
success:
return rc;
}
/**
* hwmon_device_register - register w/ hwmon
* @dev: the device to register
*
* hwmon_device_unregister() must be called when the device is no
* longer needed.
*
* Returns the pointer to the new device.
*/
struct device *hwmon_device_register(struct device *dev)
{
struct device *hwdev;
int id, err;
again:
if (unlikely(idr_pre_get(&hwmon_idr, GFP_KERNEL) == 0))
return ERR_PTR(-ENOMEM);
spin_lock(&idr_lock);
err = idr_get_new(&hwmon_idr, NULL, &id);
spin_unlock(&idr_lock);
if (unlikely(err == -EAGAIN))
goto again;
else if (unlikely(err))
return ERR_PTR(err);
id = id & MAX_ID_MASK;
hwdev = device_create_drvdata(hwmon_class, dev, MKDEV(0, 0), NULL,
HWMON_ID_FORMAT, id);
if (IS_ERR(hwdev)) {
spin_lock(&idr_lock);
idr_remove(&hwmon_idr, id);
spin_unlock(&idr_lock);
}
return hwdev;
}
struct display_device *display_device_register(struct display_driver *driver,
struct device *parent, void *devdata)
{
struct display_device *new_dev = NULL;
int ret = -EINVAL;
if (unlikely(!driver))
return ERR_PTR(ret);
mutex_lock(&allocated_dsp_lock);
ret = idr_pre_get(&allocated_dsp, GFP_KERNEL);
mutex_unlock(&allocated_dsp_lock);
if (!ret)
return ERR_PTR(ret);
new_dev = kzalloc(sizeof(struct display_device), GFP_KERNEL);
if (!new_dev)
return ERR_PTR(-ENOMEM);
ret = driver->probe(new_dev, devdata);
if (ret < 0)
goto out;
/* Reserve the index for this display */
mutex_lock(&allocated_dsp_lock);
ret = idr_get_new(&allocated_dsp, new_dev, &new_dev->idx);
mutex_unlock(&allocated_dsp_lock);
if (ret)
goto out;
new_dev->dev = device_create_drvdata(display_class, parent,
MKDEV(0,0), new_dev, "display%d", new_dev->idx);
if (IS_ERR(new_dev->dev)) {
mutex_lock(&allocated_dsp_lock);
idr_remove(&allocated_dsp, new_dev->idx);
mutex_unlock(&allocated_dsp_lock);
ret = -EINVAL;
goto out;
}
new_dev->parent = parent;
new_dev->driver = driver;
new_dev->priv_data = devdata;
mutex_init(&new_dev->lock);
return new_dev;
out:
kfree(new_dev);
return ERR_PTR(ret);
}
/**
* led_classdev_register - register a new object of led_classdev class.
* @dev: The device to register.
* @led_cdev: the led_classdev structure for this device.
*/
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
int rc;
led_cdev->dev = device_create_drvdata(leds_class, parent, 0, led_cdev,
"%s", led_cdev->name);
if (IS_ERR(led_cdev->dev))
return PTR_ERR(led_cdev->dev);
/* register the attributes */
rc = device_create_file(led_cdev->dev, &dev_attr_brightness);
if (rc)
goto err_out;
/* add to the list of leds */
down_write(&leds_list_lock);
list_add_tail(&led_cdev->node, &leds_list);
up_write(&leds_list_lock);
led_update_brightness(led_cdev);
#ifdef CONFIG_LEDS_TRIGGERS
init_rwsem(&led_cdev->trigger_lock);
rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
if (rc)
goto err_out_led_list;
led_trigger_set_default(led_cdev);
#endif
printk(KERN_INFO "Registered led device: %s\n",
led_cdev->name);
return 0;
#ifdef CONFIG_LEDS_TRIGGERS
err_out_led_list:
device_remove_file(led_cdev->dev, &dev_attr_brightness);
list_del(&led_cdev->node);
#endif
err_out:
device_unregister(led_cdev->dev);
return rc;
}
/**
* snd_register_device_for_dev - Register the ALSA device file for the card
* @type: the device type, SNDRV_DEVICE_TYPE_XXX
* @card: the card instance
* @dev: the device index
* @f_ops: the file operations
* @private_data: user pointer for f_ops->open()
* @name: the device file name
* @device: the &struct device to link this new device to
*
* Registers an ALSA device file for the given card.
* The operators have to be set in reg parameter.
*
* Returns zero if successful, or a negative error code on failure.
*/
int snd_register_device_for_dev(int type, struct snd_card *card, int dev,
const struct file_operations *f_ops,
void *private_data,
const char *name, struct device *device)
{
int minor;
struct snd_minor *preg;
snd_assert(name, return -EINVAL);
preg = kmalloc(sizeof *preg, GFP_KERNEL);
if (preg == NULL)
return -ENOMEM;
preg->type = type;
preg->card = card ? card->number : -1;
preg->device = dev;
preg->f_ops = f_ops;
preg->private_data = private_data;
mutex_lock(&sound_mutex);
#ifdef CONFIG_SND_DYNAMIC_MINORS
minor = snd_find_free_minor();
#else
minor = snd_kernel_minor(type, card, dev);
if (minor >= 0 && snd_minors[minor])
minor = -EBUSY;
#endif
if (minor < 0) {
mutex_unlock(&sound_mutex);
kfree(preg);
return minor;
}
snd_minors[minor] = preg;
preg->dev = device_create_drvdata(sound_class, device,
MKDEV(major, minor),
private_data, "%s", name);
if (IS_ERR(preg->dev)) {
snd_minors[minor] = NULL;
mutex_unlock(&sound_mutex);
minor = PTR_ERR(preg->dev);
kfree(preg);
return minor;
}
mutex_unlock(&sound_mutex);
return 0;
}
struct display_device *display_device_register(struct display_driver *driver,
struct device *parent, void *devdata)
{
struct display_device *new_dev = NULL;
int ret = -EINVAL;
if (unlikely(!driver))
return ERR_PTR(ret);
mutex_lock(&allocated_dsp_lock);
ret = idr_pre_get(&allocated_dsp, GFP_KERNEL);
mutex_unlock(&allocated_dsp_lock);
if (!ret)
return ERR_PTR(ret);
new_dev = kzalloc(sizeof(struct display_device), GFP_KERNEL);
if (likely(new_dev) && unlikely(driver->probe(new_dev, devdata))) {
// Reserve the index for this display
mutex_lock(&allocated_dsp_lock);
ret = idr_get_new(&allocated_dsp, new_dev, &new_dev->idx);
mutex_unlock(&allocated_dsp_lock);
if (!ret) {
new_dev->dev = device_create_drvdata(display_class,
parent,
MKDEV(0,0),
new_dev,
"display%d",
new_dev->idx);
if (!IS_ERR(new_dev->dev)) {
new_dev->parent = parent;
new_dev->driver = driver;
mutex_init(&new_dev->lock);
return new_dev;
}
mutex_lock(&allocated_dsp_lock);
idr_remove(&allocated_dsp, new_dev->idx);
mutex_unlock(&allocated_dsp_lock);
ret = -EINVAL;
}
}
kfree(new_dev);
return ERR_PTR(ret);
}
static int __init s3c_keypad_init(void)
{
int ret;
kpd_dev = device_create_drvdata(sec_class, NULL, 0, NULL, "keypad");
if (IS_ERR(kpd_dev))
pr_err("Failed to create device(keypad)!\n");
if (device_create_file(kpd_dev, &dev_attr_talk) < 0)
pr_err("Failed to create device file(%s)!\n", dev_attr_talk.attr.name);
if (device_create_file(kpd_dev, &dev_attr_slide) < 0)
pr_err("Failed to create device file(%s)!\n", dev_attr_slide.attr.name);
ret = platform_driver_register(&s3c_keypad_driver);
if(!ret)
printk(KERN_INFO "S3C Keypad Driver\n");
return ret;
}
/**
* omap_previewer_init - Initialization of Preview Wrapper
*
* Returns 0 if successful, -ENOMEM if could not allocate memory, -ENODEV if
* could not register the wrapper as a character device, or other errors if the
* device or driver can't register.
**/
static int __init omap_previewer_init(void)
{
int ret;
struct prev_device *device;
device = kzalloc(sizeof(struct prev_device), GFP_KERNEL);
if (!device) {
dev_err(prev_dev, OMAP_PREV_NAME ": could not allocate"
" memory\n");
return -ENOMEM;
}
prev_major = register_chrdev(0, OMAP_PREV_NAME, &prev_fops);
if (prev_major < 0) {
dev_err(prev_dev, OMAP_PREV_NAME ": initialization "
"failed. could not register character "
"device\n");
return -ENODEV;
}
ret = platform_driver_register(&omap_previewer_driver);
if (ret) {
dev_err(prev_dev, OMAP_PREV_NAME
": failed to register platform driver!\n");
goto fail2;
}
ret = platform_device_register(&omap_previewer_device);
if (ret) {
dev_err(prev_dev, OMAP_PREV_NAME
": failed to register platform device!\n");
goto fail3;
}
prev_class = class_create(THIS_MODULE, OMAP_PREV_NAME);
if (!prev_class)
goto fail4;
prev_dev = device_create_drvdata(prev_class, prev_dev,
MKDEV(prev_major, 0), NULL,
OMAP_PREV_NAME);
dev_dbg(prev_dev, OMAP_PREV_NAME ": Registered Previewer Wrapper\n");
device->opened = 0;
device->vbq_ops.buf_setup = previewer_vbq_setup;
device->vbq_ops.buf_prepare = previewer_vbq_prepare;
device->vbq_ops.buf_release = previewer_vbq_release;
device->vbq_ops.buf_queue = previewer_vbq_queue;
spin_lock_init(&device->inout_vbq_lock);
spin_lock_init(&device->lsc_vbq_lock);
prevdevice = device;
return 0;
fail4:
platform_device_unregister(&omap_previewer_device);
fail3:
platform_driver_unregister(&omap_previewer_driver);
fail2:
unregister_chrdev(prev_major, OMAP_PREV_NAME);
return ret;
}
int ndas_ctrldev_init(void)
{
int ret = 0;
#ifdef NDAS_DEVFS
// Create control device file
devfs_control_handle = devfs_register(NULL, "ndas",
DEVFS_FL_DEFAULT, NDAS_CHR_DEV_MAJOR, 0,
S_IFCHR | S_IRUGO | S_IWUGO,
&ndasctrl_fops, NULL);
if (!devfs_control_handle) {
printk(KERN_ERR "Failed to register control device file\n");
return -EBUSY;
}
#else
ret = register_chrdev(NDAS_CHR_DEV_MAJOR, "ndas", &ndasctrl_fops);
if (ret < 0) {
printk(KERN_ERR "ndas: can't register char device\n");
return ret;
}
#endif
#if LINUX_VERSION_25_ABOVE
#if LINUX_VERSION_HAS_CLASS_CREATE
ndas_ctrldev_class = class_create(THIS_MODULE, "ndas");
if (IS_ERR(ndas_ctrldev_class)) {
#ifdef NDAS_DEVFS
devfs_unregister(devfs_control_handle);
#else
unregister_chrdev(NDAS_CHR_DEV_MAJOR, "ndas");
#endif
return PTR_ERR(ndas_ctrldev_class);
}
#if LINUX_VERSION_HAS_DEVICE_CREATE
#if ( LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) )
device_create(
#else
device_create_drvdata(
#endif // Linux 2.6.28 (device_create_drvdata deprecated, now removed)
ndas_ctrldev_class, NULL,
MKDEV(NDAS_CHR_DEV_MAJOR, NDAS_CHR_DEV_MINOR),
NULL, "ndas");
#else
class_device_create(ndas_ctrldev_class, NULL,
MKDEV(NDAS_CHR_DEV_MAJOR, NDAS_CHR_DEV_MINOR),
NULL, "ndas");
#endif //#if LINUX_VERSION_HAS_DEVICE_CREATE
#else
ndas_ctrldev_class = class_simple_create(THIS_MODULE, "ndas");
if (IS_ERR(ndas_ctrldev_class)) {
#ifdef NDAS_DEVFS
devfs_unregister(devfs_control_handle);
#else
unregister_chrdev(NDAS_CHR_DEV_MAJOR, "ndas");
#endif
return PTR_ERR(ndas_ctrldev_class);
}
class_simple_device_add(ndas_ctrldev_class,
MKDEV(NDAS_CHR_DEV_MAJOR, NDAS_CHR_DEV_MINOR),
NULL, "ndas");
#endif /* LINUX_VERSION_HAS_CLASS_CREATE */
#endif /* LINUX_VERSION_25_ABOVE */
return ret;
}
static int __devinit elmo_probe(struct platform_device *pdev)
{
int ret = -1;
int error = 0;
log_debug("elmo_probe::Probing elmo device\n");
/* set up the PMIC event configuration for the "ON2B" line */
error = pmic_power_set_conf_button(BT_ON2B, 0, 0);
if (error < 0) {
log_err("pmic_err:err=%d:could not set bt_on2b\n",error);
goto exit0;
}
error = pmic_power_event_sub(PWR_IT_ONOFD2I, wan_tph_notify);
if (error < 0) {
log_err("pmic_err:err=%d:could not subscribe WAN TPH event\n",error);
goto exit0;
}
init_waitqueue_head(&elmo_wait_q);
error = request_irq(gpio_wan_fw_ready_irq(),elmo_fw_ready_handler,IRQF_TRIGGER_RISING,"ELMO_fw_ready",NULL);
if (error < 0) {
log_err("elmo_fw_irq_err:irq=%d:Could not request IRQ\n", gpio_wan_fw_ready_irq());
goto exit1;
}
error = request_irq(gpio_wan_mhi_irq(),elmo_usb_wake_handler,IRQF_TRIGGER_RISING,"ELMO_usb_wake",NULL);
if (error < 0) {
log_err("elmo_usb_irq_err:irq=%d:Could not request IRQ\n", gpio_wan_mhi_irq());
goto exit_fw_irq;
}
/* disable usb wake irq until WAN is powered up */
disable_irq(gpio_wan_mhi_irq());
wan_major = register_chrdev(0, WAN_STRING_DEV, &mwan_ops);
if (wan_major < 0) {
ret = wan_major;
log_err("dev_err:device=" WAN_STRING_DEV ",err=%d:could not register device\n", ret);
goto exit_usb_irq;
}
wan_class = class_create(THIS_MODULE, WAN_STRING_CLASS);
if (IS_ERR(wan_class)) {
ret = PTR_ERR(wan_class);
log_err("class_err:err=%d:could not create class\n", ret);
goto exit2;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31))
wan_dev = device_create(wan_class, NULL, MKDEV(wan_major, 0), NULL, WAN_STRING_DEV);
#else
wan_dev = device_create_drvdata(wan_class, NULL, MKDEV(wan_major, 0), NULL, WAN_STRING_DEV);
#endif
if (IS_ERR(wan_dev)) {
ret = PTR_ERR(wan_dev);
log_err("dev_err:err=%d:could not create class device\n", ret);
goto exit3;
}
wan_set_power_status(WAN_OFF);
ret = 0;
goto exit0;
exit3:
class_destroy(wan_class);
wan_class = NULL;
exit2:
unregister_chrdev(wan_major, WAN_STRING_DEV);
exit_usb_irq:
free_irq(gpio_wan_mhi_irq(),NULL);
exit_fw_irq:
free_irq(gpio_wan_fw_ready_irq(),NULL);
exit1:
/* clear the PMIC event handler */
pmic_power_event_unsub(PWR_IT_ONOFD2I, wan_tph_notify);
exit0:
return ret;
}
static int __init init_mac80211_hwsim(void)
{
int i, err = 0;
u8 addr[ETH_ALEN];
struct mac80211_hwsim_data *data;
struct ieee80211_hw *hw;
DECLARE_MAC_BUF(mac);
if (radios < 1 || radios > 65535)
return -EINVAL;
hwsim_radio_count = radios;
hwsim_radios = kcalloc(hwsim_radio_count,
sizeof(struct ieee80211_hw *), GFP_KERNEL);
if (hwsim_radios == NULL)
return -ENOMEM;
hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
if (IS_ERR(hwsim_class)) {
kfree(hwsim_radios);
return PTR_ERR(hwsim_class);
}
memset(addr, 0, ETH_ALEN);
addr[0] = 0x02;
for (i = 0; i < hwsim_radio_count; i++) {
printk(KERN_DEBUG "mac80211_hwsim: Initializing radio %d\n",
i);
hw = ieee80211_alloc_hw(sizeof(*data), &mac80211_hwsim_ops);
if (hw == NULL) {
printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw "
"failed\n");
err = -ENOMEM;
goto failed;
}
hwsim_radios[i] = hw;
data = hw->priv;
data->dev = device_create_drvdata(hwsim_class, NULL, 0, hw,
"hwsim%d", i);
if (IS_ERR(data->dev)) {
printk(KERN_DEBUG
"mac80211_hwsim: device_create_drvdata "
"failed (%ld)\n", PTR_ERR(data->dev));
err = -ENOMEM;
goto failed_drvdata;
}
data->dev->driver = &mac80211_hwsim_driver;
SET_IEEE80211_DEV(hw, data->dev);
addr[3] = i >> 8;
addr[4] = i;
SET_IEEE80211_PERM_ADDR(hw, addr);
hw->channel_change_time = 1;
hw->queues = 1;
memcpy(data->channels, hwsim_channels, sizeof(hwsim_channels));
memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
data->band.channels = data->channels;
data->band.n_channels = ARRAY_SIZE(hwsim_channels);
data->band.bitrates = data->rates;
data->band.n_bitrates = ARRAY_SIZE(hwsim_rates);
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &data->band;
err = ieee80211_register_hw(hw);
if (err < 0) {
printk(KERN_DEBUG "mac80211_hwsim: "
"ieee80211_register_hw failed (%d)\n", err);
goto failed_hw;
}
printk(KERN_DEBUG "%s: hwaddr %s registered\n",
wiphy_name(hw->wiphy),
print_mac(mac, hw->wiphy->perm_addr));
setup_timer(&data->beacon_timer, mac80211_hwsim_beacon,
(unsigned long) hw);
}
hwsim_mon = alloc_netdev(0, "hwsim%d", hwsim_mon_setup);
if (hwsim_mon == NULL)
goto failed;
rtnl_lock();
err = dev_alloc_name(hwsim_mon, hwsim_mon->name);
if (err < 0)
goto failed_mon;
err = register_netdevice(hwsim_mon);
if (err < 0)
goto failed_mon;
rtnl_unlock();
return 0;
failed_mon:
rtnl_unlock();
free_netdev(hwsim_mon);
mac80211_hwsim_free();
return err;
failed_hw:
device_unregister(data->dev);
failed_drvdata:
ieee80211_free_hw(hw);
hwsim_radios[i] = NULL;
failed:
mac80211_hwsim_free();
return err;
}
static int gp2a_opt_probe( struct platform_device* pdev )
{
struct gp2a_data *gp2a;
int irq;
int i;
int ret;
/* allocate driver_data */
gp2a = kzalloc(sizeof(struct gp2a_data),GFP_KERNEL);
if(!gp2a)
{
pr_err("kzalloc error\n");
return -ENOMEM;
}
gprintk("in %s \n",__func__);
/* init i2c */
opt_i2c_init();
if(opt_i2c_client == NULL)
{
pr_err("opt_probe failed : i2c_client is NULL\n");
return -ENODEV;
}
/* hrtimer Settings */
hrtimer_init(&gp2a->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
gp2a->timer.function = gp2a_timer_func;
/* Input device Settings */
if(USE_INPUT_DEVICE)
{
gp2a->input_dev = input_allocate_device();
if (gp2a->input_dev == NULL)
{
pr_err("Failed to allocate input device\n");
return -ENOMEM;
}
gp2a->input_dev->name = "proximity";
set_bit(EV_SYN,gp2a->input_dev->evbit);
set_bit(EV_ABS,gp2a->input_dev->evbit);
input_set_abs_params(gp2a->input_dev, ABS_DISTANCE, 0, 1, 0, 0);
ret = input_register_device(gp2a->input_dev);
if (ret)
{
pr_err("Unable to register %s input device\n", gp2a->input_dev->name);
input_free_device(gp2a->input_dev);
kfree(gp2a);
return -1;
}
}
/* WORK QUEUE Settings */
gp2a_wq = create_singlethread_workqueue("gp2a_wq");
if (!gp2a_wq)
return -ENOMEM;
INIT_WORK(&gp2a->work_prox, gp2a_work_func_prox);
INIT_WORK(&gp2a->work_light, gp2a_work_func_light);
gprintk("Workqueue Settings complete\n");
/* misc device Settings */
ret = misc_register(&proximity_device);
if(ret) {
pr_err(KERN_ERR "misc_register failed \n");
}
/* wake lock init */
wake_lock_init(&prx_wake_lock, WAKE_LOCK_SUSPEND, "prx_wake_lock");
/* set platdata */
platform_set_drvdata(pdev, gp2a);
/* set sysfs for light sensor */
lightsensor_class = class_create(THIS_MODULE, "lightsensor");
if (IS_ERR(lightsensor_class))
pr_err("Failed to create class(lightsensor)!\n");
switch_cmd_dev = device_create_drvdata(lightsensor_class, NULL, 0, NULL, "switch_cmd");
if (IS_ERR(switch_cmd_dev))
pr_err("Failed to create device(switch_cmd_dev)!\n");
if (device_create_file(switch_cmd_dev, &dev_attr_lightsensor_file_cmd) < 0)
pr_err("Failed to create device file(%s)!\n", dev_attr_lightsensor_file_cmd.attr.name);
if (device_create_file(switch_cmd_dev, &dev_attr_lightsensor_file_state) < 0)
pr_err("Failed to create device file(%s)!\n", dev_attr_lightsensor_file_state.attr.name);
dev_set_drvdata(switch_cmd_dev,gp2a);
/* ktime init */
timeA = ktime_set(0,0);
timeB = ktime_set(0,0);
/* POWER On */
gpio_set_value(GPIO_LUM_PWM,GPIO_LEVEL_HIGH);
mdelay(100);
/* GP2A Regs INIT SETTINGS */
for(i=1;i<5;i++)
{
opt_i2c_write((u8)(i),&gp2a_original_image[i]);
}
mdelay(2);
/* INT Settings */
irq = IRQ_GP2A_INT;
gp2a->irq = -1;
ret = request_irq(irq, gp2a_irq_handler, 0, "gp2a_int", gp2a);
if (ret) {
pr_err("unable to request irq %d\n", irq);
return ret;
}
gp2a->irq = irq;
gprintk("INT Settings complete\n");
/* maintain power-down mode before using sensor */
gp2a_off(gp2a,ALL);
return 0;
}