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update l/p sensor isl29028 driver for phonesdk

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This commit is contained in:
lyx
2011-03-02 03:25:50 -08:00
parent 705f39eb70
commit 3dc6b43363
6 changed files with 429 additions and 284 deletions
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2
arch/arm/configs/rk29_phonesdk_defconfig
View File

@@ -810,7 +810,7 @@ CONFIG_EETI_EGALAX_MAX_Y=800
# CONFIG_EETI_EGALAX_DEBUG is not set
# CONFIG_TOUCHSCREEN_IT7260 is not set
CONFIG_INPUT_MISC=y
CONFIG_INPUT_PSENSOR_ISL29028=y
CONFIG_INPUT_LPSENSOR_ISL29028=y
# CONFIG_INPUT_LPSENSOR_CM3602 is not set
# CONFIG_INPUT_ATI_REMOTE is not set
# CONFIG_INPUT_ATI_REMOTE2 is not set

2
arch/arm/mach-rk29/board-rk29-phonesdk.c
View File

@@ -1342,7 +1342,7 @@ static struct i2c_board_info __initdata board_i2c0_devices[] = {
.irq = RK29_PIN0_PA4,
},
#endif
#if defined (CONFIG_INPUT_PSENSOR_ISL29028)
#if defined (CONFIG_INPUT_LPSENSOR_ISL29028)
{
.type = "isl29028",
.addr = 0x44,

4
drivers/input/misc/Kconfig
View File

@@ -12,8 +12,8 @@ menuconfig INPUT_MISC
if INPUT_MISC
config INPUT_PSENSOR_ISL29028
tristate "isl29028 psensor input support"
config INPUT_LPSENSOR_ISL29028
tristate "isl29028 l/p sensor input support"
config INPUT_LPSENSOR_CM3602
tristate "l/p sensor input support"

2
drivers/input/misc/Makefile
View File

@@ -5,7 +5,7 @@
# Each configuration option enables a list of files.
obj-$(CONFIG_INPUT_LPSENSOR_CM3602) += capella_cm3602.o
obj-$(CONFIG_INPUT_PSENSOR_ISL29028) += isl29028.o
obj-$(CONFIG_INPUT_LPSENSOR_ISL29028) += isl29028.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
obj-$(CONFIG_INPUT_ATI_REMOTE) += ati_remote.o
obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o

689
drivers/input/misc/isl29028.c
View File

@@ -56,6 +56,7 @@
#define ISL_REG_INT (0x02)
#define PROX_FLAG_MASK ~(1 << 7)
#define LS_FLAG_MASK ~(1 << 3)
#define PROX_PRST(x) (x << 5)
#define ALS_PRST(x) (x << 1)
#define INT_AND (1 << 0)
@@ -67,15 +68,15 @@
#define PROX_HT (0xf0)
#define ISL_REG_PROX_DATA (0x08)
#define ISL_REG_ALSIR_LDATA (0x09)
#define ISL_REG_ALSIR_HDATA (0x0a)
struct isl29028_data {
struct input_dev *input_dev;
struct input_dev *psensor_input_dev;
struct input_dev *lsensor_input_dev;
struct i2c_client *client;
struct workqueue_struct *wq;
struct work_struct work;
struct delayed_work d_work;
//struct completion completion;
//wait_queue_head_t wait;
struct delayed_work p_work; //for psensor
struct delayed_work l_work; //for light sensor
int enabled;
int irq;
@@ -84,12 +85,6 @@ struct isl29028_data {
#ifdef CONFIG_HAS_EARLYSUSPEND
static struct early_suspend isl29028_early_suspend;
#endif
static struct miscdevice isl29028_misc;
static int misc_opened;
static int isl29028_open(struct inode *inode, struct file *file);
static int isl29028_release(struct inode *inode, struct file *file);
static long isl29028_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static int isl29028_read_reg(struct i2c_client *client, char reg, char *value)
{
@@ -142,139 +137,17 @@ static int isl29028_write_reg(struct i2c_client *client, char reg, char value)
return 1;
}
static irqreturn_t isl29028_irq_handler(int irq, void *data)
static void isl29028_psensor_work_handler(struct work_struct *work)
{
struct isl29028_data *isl = (struct isl29028_data *)data;
input_report_abs(isl->input_dev, ABS_DISTANCE, 0);
input_sync(isl->input_dev);
disable_irq_nosync(isl->irq);
//queue_work(isl->wq, &isl->work);
schedule_delayed_work(&isl->d_work, msecs_to_jiffies(420));
//wake_up_interruptible(&isl->wait);
return IRQ_HANDLED;
}
static int isl29028_enable(struct i2c_client *client)
{
char reg, value;
int ret;
struct isl29028_data *isl = (struct isl29028_data *)i2c_get_clientdata(client);
reg = ISL_REG_CONFIG;
ret = isl29028_read_reg(client, reg, &value);
value |= PROX_EN;
value |= ALS_EN; /* ZMF */
ret = isl29028_write_reg(client, reg, value);
//schedule_delayed_work(&isl->d_work, msecs_to_jiffies(420));
//enable_irq(isl->irq);
#ifdef ISL_DBG
ret = isl29028_read_reg(client, reg, &value);
D("%s: configure reg value %#x ...\n", __FUNCTION__, value);
#endif
return ret;
}
static int isl29028_disable(struct i2c_client *client)
{
char ret, reg, reg2, value, value2;
struct isl29028_data *isl = (struct isl29028_data *)i2c_get_clientdata(client);
reg = ISL_REG_CONFIG;
ret = isl29028_read_reg(client, reg, &value);
value &= ~PROX_EN;
value &= ~ALS_EN; /* ZMF */
ret = isl29028_write_reg(client, reg, value);
reg2 = ISL_REG_INT;
ret = isl29028_read_reg(client, reg2, &value2);
value2 &= PROX_FLAG_MASK;
ret = isl29028_write_reg(client, reg2, value2);
disable_irq(isl->irq);
if (cancel_delayed_work_sync(&isl->d_work)) {
enable_irq(isl->irq);
}
enable_irq(isl->irq);
#ifdef ISL_DBG
ret = isl29028_read_reg(client, reg, &value);
ret = isl29028_read_reg(client, reg2, &value2);
D("%s: configure reg value %#x ...\n", __FUNCTION__, value);
D("%s: interrupt reg value %#x ...\n", __FUNCTION__, value2);
#endif
//disable_irq(isl->irq);
//cancel_delayed_work_sync(&isl->d_work);
return ret;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
static void isl29028_suspend(struct early_suspend *h)
{
struct i2c_client *client = container_of(isl29028_misc.parent, struct i2c_client, dev);
D("isl29028 early suspend ========================= \n");
isl29028_disable(client);
}
static void isl29028_resume(struct early_suspend *h)
{
struct i2c_client *client = container_of(isl29028_misc.parent, struct i2c_client, dev);
D("isl29028 early resume ======================== \n");
isl29028_enable(client);
}
#else
#define isl29028_suspend NULL
#define isl29028_resume NULL
#endif
#if 0
static void isl29028_work_handler(struct work_struct *work)
{
struct isl29028_data *isl = container_of(work, struct isl29028_data, work);
char reg, value, int_flag;
//int als_data;
reg = ISL_REG_INT;
isl29028_read_reg(isl->client, reg, (char *)&int_flag);
if (int_flag & (1 << 7)) {
reg = ISL_REG_PROX_DATA;
isl29028_read_reg(isl->client, reg, (char *)&value);
D("\n%s: isl29028 prox_data is %#x\n", __FUNCTION__, value);
D("%s: isl29028 int_data is %#x\n", __FUNCTION__, int_flag);
//input_report_abs(isl->input_dev, ABS_DISTANCE, 0);
//input_sync(isl->input_dev);
}
if (!(int_flag & (1 << 7))) {
reg = ISL_REG_PROX_DATA;
isl29028_read_reg(isl->client, reg, (char *)&value);
D("\n%s: isl29028 ................prox_data is %#x\n", __FUNCTION__, value);
D("%s: isl29028 ................int_data is %#x\n", __FUNCTION__, int_flag);
//input_report_abs(isl->input_dev, ABS_DISTANCE, 0);
//input_sync(isl->input_dev);
}
enable_irq(isl->irq);
}
#endif
static void isl29028_dwork_handler(struct work_struct *work)
{
struct isl29028_data *isl = (struct isl29028_data *)container_of(work, struct isl29028_data, d_work.work);
struct isl29028_data *isl = (struct isl29028_data *)container_of(work, struct isl29028_data, p_work.work);
char reg, value, int_flag;
reg = ISL_REG_INT;
isl29028_read_reg(isl->client, reg, (char *)&int_flag);
if (!(int_flag >> 7)) {
input_report_abs(isl->input_dev, ABS_DISTANCE, 1);
input_sync(isl->input_dev);
input_report_abs(isl->psensor_input_dev, ABS_DISTANCE, 1);
input_sync(isl->psensor_input_dev);
}
reg = ISL_REG_PROX_DATA;
@@ -286,112 +159,125 @@ static void isl29028_dwork_handler(struct work_struct *work)
enable_irq(isl->irq);
}
#if 0
static int isl29028_thread(void *data)
static irqreturn_t isl29028_psensor_irq_handler(int irq, void *data)
{
char value, int_flag;
int als_data;
struct isl29028_data *isl = data;
DECLARE_WAITQUEUE(wait, current);
__add_wait_queue(&isl->wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
complete(&isl->completion);
while (1) {
struct isl29028_data *isl = (struct isl29028_data *)data;
input_report_abs(isl->psensor_input_dev, ABS_DISTANCE, 0);
input_sync(isl->psensor_input_dev);
schedule();
disable_irq_nosync(isl->irq);
schedule_delayed_work(&isl->p_work, msecs_to_jiffies(420));
if (signal_pending(current)) {
continue;
}
isl29028_read_reg(isl->client, 0x02, (char *)&int_flag);
if (int_flag & (1 << 7)) {
isl29028_read_reg(isl->client, 0x08, (char *)&value);
printk("%s: isl29028 prox_data is %#x\n", __FUNCTION__, value);
//input_report_abs(isl->input_dev, ABS_DISTANCE, 0);
//input_sync(isl->input_dev);
}
if (int_flag & (1 << 3)) {
isl29028_read_reg(isl->client, 0x09, (char *)&value);
als_data = value;
isl29028_read_reg(isl->client, 0x0a, (char *)&value);
als_data |= value << 8;
D("%s: isl29028 als_data is %#x\n", __FUNCTION__, als_data);
int_flag &= ~(1 << 3);
isl29028_write_reg(isl->client, 0x02, int_flag);
}
enable_irq(isl->irq);
}
remove_wait_queue(&isl->wait, &wait);
__set_current_state(TASK_RUNNING);
return 0;
return IRQ_HANDLED;
}
static int isl29028_psensor_enable(struct i2c_client *client)
{
char reg, value;
int ret;
struct isl29028_data *isl = (struct isl29028_data *)i2c_get_clientdata(client);
reg = ISL_REG_CONFIG;
ret = isl29028_read_reg(client, reg, &value);
value |= PROX_EN;
ret = isl29028_write_reg(client, reg, value);
#ifdef ISL_DBG
ret = isl29028_read_reg(client, reg, &value);
D("%s: configure reg value %#x ...\n", __FUNCTION__, value);
#endif
enable_irq(isl->irq);
static struct file_operations isl29028_fops = {
return ret;
}
static int isl29028_psensor_disable(struct i2c_client *client)
{
char ret, reg, reg2, value, value2;
struct isl29028_data *isl = (struct isl29028_data *)i2c_get_clientdata(client);
disable_irq(isl->irq);
cancel_delayed_work_sync(&isl->p_work);
reg = ISL_REG_CONFIG;
ret = isl29028_read_reg(client, reg, &value);
value &= ~PROX_EN;
ret = isl29028_write_reg(client, reg, value);
reg2 = ISL_REG_INT;
ret = isl29028_read_reg(client, reg2, &value2);
value2 &= PROX_FLAG_MASK;
ret = isl29028_write_reg(client, reg2, value2);
#ifdef ISL_DBG
ret = isl29028_read_reg(client, reg, &value);
ret = isl29028_read_reg(client, reg2, &value2);
D("%s: configure reg value %#x ...\n", __FUNCTION__, value);
D("%s: interrupt reg value %#x ...\n", __FUNCTION__, value2);
#endif
return ret;
}
static int isl29028_psensor_open(struct inode *inode, struct file *file);
static int isl29028_psensor_release(struct inode *inode, struct file *file);
static long isl29028_psensor_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static int misc_ps_opened;
static struct file_operations isl29028_psensor_fops = {
.owner = THIS_MODULE,
.open = isl29028_open,
.release = isl29028_release,
.unlocked_ioctl = isl29028_ioctl
.open = isl29028_psensor_open,
.release = isl29028_psensor_release,
.unlocked_ioctl = isl29028_psensor_ioctl
};
static struct miscdevice isl29028_misc = {
static struct miscdevice isl29028_psensor_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "psensor",
.fops = &isl29028_fops
.fops = &isl29028_psensor_fops
};
static int isl29028_open(struct inode *inode, struct file *file)
static int isl29028_psensor_open(struct inode *inode, struct file *file)
{
struct i2c_client *client =
container_of (isl29028_misc.parent, struct i2c_client, dev);
container_of (isl29028_psensor_misc.parent, struct i2c_client, dev);
D("%s\n", __func__);
if (misc_opened)
if (misc_ps_opened)
return -EBUSY;
misc_opened = 1;
misc_ps_opened = 1;
return isl29028_enable(client);
return isl29028_psensor_enable(client);
}
static int isl29028_release(struct inode *inode, struct file *file)
{
static int isl29028_psensor_release(struct inode *inode, struct file *file)
{
struct i2c_client *client =
container_of (isl29028_misc.parent, struct i2c_client, dev);
container_of (isl29028_psensor_misc.parent, struct i2c_client, dev);
D("%s\n", __func__);
misc_opened = 0;
return isl29028_disable(client);
misc_ps_opened = 0;
return isl29028_psensor_disable(client);
}
static long isl29028_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static long isl29028_psensor_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
char reg, val, enabled;
struct i2c_client *client =
container_of (isl29028_misc.parent, struct i2c_client, dev);
container_of (isl29028_psensor_misc.parent, struct i2c_client, dev);
D("%s cmd %d\n", __func__, _IOC_NR(cmd));
switch (cmd) {
case ISL29028_IOCTL_ENABLE:
case PSENSOR_IOCTL_ENABLE:
if (get_user(val, (unsigned long __user *)arg))
return -EFAULT;
if (val)
return isl29028_enable(client);
return isl29028_psensor_enable(client);
else
return isl29028_disable(client);
return isl29028_psensor_disable(client);
break;
case ISL29028_IOCTL_GET_ENABLED:
case PSENSOR_IOCTL_GET_ENABLED:
reg = ISL_REG_CONFIG;
isl29028_read_reg(client, reg, &val);
enabled = (val & ~(1 << 7)) ? 1 : 0;
enabled = (val & (1 << 7)) ? 1 : 0;
return put_user(enabled, (unsigned long __user *)arg);
break;
default:
@@ -400,7 +286,286 @@ static long isl29028_ioctl(struct file *file, unsigned int cmd, unsigned long ar
}
}
static void isl29028_config(struct i2c_client *client)
static int register_psensor_device(struct i2c_client *client, struct isl29028_data *isl)
{
struct input_dev *input_dev;
int rc;
D("%s: allocating input device\n", __func__);
input_dev = input_allocate_device();
if (!input_dev) {
dev_err(&client->dev,"%s: could not allocate input device for psensor\n", __FUNCTION__);
rc = -ENOMEM;
goto done;
}
isl->psensor_input_dev = input_dev;
input_set_drvdata(input_dev, isl);
input_dev->name = "proximity";
set_bit(EV_ABS, input_dev->evbit);
input_set_abs_params(input_dev, ABS_DISTANCE, 0, 1, 0, 0);
D("%s: registering input device\n", __func__);
rc = input_register_device(input_dev);
if (rc < 0) {
pr_err("%s: could not register input device for psensor\n", __func__);
goto err_free_input_device;
}
D("%s: registering misc device for psensor\n", __func__);
rc = misc_register(&isl29028_psensor_misc);
if (rc < 0) {
pr_err("%s: could not register misc device\n", __func__);
goto err_unregister_input_device;
}
isl29028_psensor_misc.parent = &client->dev;
//misc_deregister(&isl29028_psensor_misc);
INIT_DELAYED_WORK(&isl->p_work, isl29028_psensor_work_handler);
rc = gpio_request(client->irq, "isl29028 irq");
if (rc) {
pr_err("%s: request gpio %d failed \n", __func__, client->irq);
goto err_unregister_misc;
}
rc = gpio_direction_input(client->irq);
if (rc) {
pr_err("%s: failed set gpio input\n", __FUNCTION__);
}
gpio_pull_updown(client->irq, GPIOPullUp);
isl->irq = gpio_to_irq(client->irq);
//mdelay(1);
rc = request_irq(isl->irq, isl29028_psensor_irq_handler,
IRQ_TYPE_LEVEL_LOW, client->name, (void *)isl);
if (rc < 0) {
dev_err(&client->dev,"request_irq failed for gpio %d (%d)\n", client->irq, rc);
goto err_free_gpio;
}
err_free_gpio:
gpio_free(client->irq);
err_unregister_misc:
misc_deregister(&isl29028_psensor_misc);
err_unregister_input_device:
input_unregister_device(input_dev);
err_free_input_device:
input_free_device(input_dev);
done:
return rc;
}
static void unregister_psensor_device(struct i2c_client *client, struct isl29028_data *isl)
{
misc_deregister(&isl29028_psensor_misc);
input_unregister_device(isl->psensor_input_dev);
input_free_device(isl->psensor_input_dev);
}
#define LSENSOR_POLL_PROMESHUTOK 120
static int isl29028_lsensor_enable(struct i2c_client *client)
{
char reg, value;
int ret;
struct isl29028_data *isl = (struct isl29028_data *)i2c_get_clientdata(client);
reg = ISL_REG_CONFIG;
ret = isl29028_read_reg(client, reg, &value);
value |= ALS_EN;
ret = isl29028_write_reg(client, reg, value);
#ifdef ISL_DBG
ret = isl29028_read_reg(client, reg, &value);
D("%s: configure reg value %#x ...\n", __FUNCTION__, value);
#endif
schedule_delayed_work(&(isl->l_work), msecs_to_jiffies(LSENSOR_POLL_PROMESHUTOK));
return ret;
}
static int isl29028_lsensor_disable(struct i2c_client *client)
{
char ret, reg, reg2, value, value2;
struct isl29028_data *isl = (struct isl29028_data *)i2c_get_clientdata(client);
cancel_delayed_work_sync(&(isl->l_work));
reg = ISL_REG_CONFIG;
ret = isl29028_read_reg(client, reg, &value);
value &= ~ALS_EN;
ret = isl29028_write_reg(client, reg, value);
reg2 = ISL_REG_INT;
ret = isl29028_read_reg(client, reg2, &value2);
value2 &= LS_FLAG_MASK;
ret = isl29028_write_reg(client, reg2, value2);
#ifdef ISL_DBG
ret = isl29028_read_reg(client, reg, &value);
ret = isl29028_read_reg(client, reg2, &value2);
D("%s: configure reg value %#x ...\n", __FUNCTION__, value);
D("%s: interrupt reg value %#x ...\n", __FUNCTION__, value2);
#endif
return ret;
}
static void isl29028_lsensor_work_handler(struct work_struct *work)
{
struct isl29028_data *isl = (struct isl29028_data *)container_of(work, struct isl29028_data, l_work.work);
char reg, l_value, h_value;
unsigned int als_value;
reg = ISL_REG_ALSIR_LDATA;
isl29028_read_reg(isl->client, reg, (char *)&l_value);
reg = ISL_REG_ALSIR_HDATA;
isl29028_read_reg(isl->client, reg, (char *)&h_value);
als_value = h_value;
als_value = (als_value << 8) | l_value;
#ifdef ISL_DBG
D("%s: als_data is %#x\n", __FUNCTION__, als_value);
#endif
input_report_abs(isl->lsensor_input_dev, ABS_MISC, als_value);
input_sync(isl->lsensor_input_dev);
schedule_delayed_work(&(isl->l_work), msecs_to_jiffies(LSENSOR_POLL_PROMESHUTOK));
}
static int isl29028_lsensor_open(struct inode *inode, struct file *file);
static int isl29028_lsensor_release(struct inode *inode, struct file *file);
static long isl29028_lsensor_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static int misc_ls_opened;
static struct file_operations isl29028_lsensor_fops = {
.owner = THIS_MODULE,
.open = isl29028_lsensor_open,
.release = isl29028_lsensor_release,
.unlocked_ioctl = isl29028_lsensor_ioctl
};
static struct miscdevice isl29028_lsensor_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "lightsensor",
.fops = &isl29028_lsensor_fops
};
static int isl29028_lsensor_open(struct inode *inode, struct file *file)
{
struct i2c_client *client =
container_of (isl29028_lsensor_misc.parent, struct i2c_client, dev);
D("%s\n", __func__);
if (misc_ls_opened)
return -EBUSY;
misc_ls_opened = 1;
return isl29028_lsensor_enable(client);
}
static int isl29028_lsensor_release(struct inode *inode, struct file *file)
{
struct i2c_client *client =
container_of (isl29028_lsensor_misc.parent, struct i2c_client, dev);
D("%s\n", __func__);
misc_ls_opened = 0;
return isl29028_lsensor_disable(client);
}
static long isl29028_lsensor_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
char reg, val, enabled;
struct i2c_client *client =
container_of (isl29028_lsensor_misc.parent, struct i2c_client, dev);
D("%s cmd %d\n", __func__, _IOC_NR(cmd));
switch (cmd) {
case LIGHTSENSOR_IOCTL_ENABLE:
if (get_user(val, (unsigned long __user *)arg))
return -EFAULT;
if (val)
return isl29028_lsensor_enable(client);
else
return isl29028_lsensor_disable(client);
break;
case LIGHTSENSOR_IOCTL_GET_ENABLED:
reg = ISL_REG_CONFIG;
isl29028_read_reg(client, reg, &val);
enabled = (val & (1 << 2)) ? 1 : 0;
return put_user(enabled, (unsigned long __user *)arg);
break;
default:
pr_err("%s: invalid cmd %d\n", __func__, _IOC_NR(cmd));
return -EINVAL;
}
}
static int register_lsensor_device(struct i2c_client *client, struct isl29028_data *isl)
{
struct input_dev *input_dev;
int rc;
D("%s: allocating input device\n", __func__);
input_dev = input_allocate_device();
if (!input_dev) {
dev_err(&client->dev,"%s: could not allocate input device forlsensor\n", __FUNCTION__);
rc = -ENOMEM;
goto done;
}
isl->lsensor_input_dev = input_dev;
input_set_drvdata(input_dev, isl);
input_dev->name = "lightsensor-level";
set_bit(EV_ABS, input_dev->evbit);
input_set_abs_params(input_dev, ABS_MISC, 0, 10, 0, 0);
D("%s: registering input device\n", __func__);
rc = input_register_device(input_dev);
if (rc < 0) {
pr_err("%s: could not register input device for lsensor\n", __func__);
goto err_free_input_device;
}
D("%s: registering misc device for lsensor\n", __func__);
rc = misc_register(&isl29028_lsensor_misc);
if (rc < 0) {
pr_err("%s: could not register misc device\n", __func__);
goto err_unregister_input_device;
}
isl29028_lsensor_misc.parent = &client->dev;
INIT_DELAYED_WORK(&isl->l_work, isl29028_lsensor_work_handler);
return 0;
err_unregister_input_device:
input_unregister_device(input_dev);
err_free_input_device:
input_free_device(input_dev);
done:
return rc;
}
static void unregister_lsensor_device(struct i2c_client *client, struct isl29028_data *isl)
{
misc_deregister(&isl29028_lsensor_misc);
input_unregister_device(isl->lsensor_input_dev);
input_free_device(isl->lsensor_input_dev);
}
static int isl29028_config(struct i2c_client *client)
{
int ret;
char value, buf[2];
@@ -425,8 +590,13 @@ static void isl29028_config(struct i2c_client *client)
if ((ret = i2c_master_send(client, buf, 2)) < 2) {
printk("%s: config isl29028 register %#x err %d\n", __FUNCTION__, buf[0], ret);
}
if (ret < 2)
return -1;
mdelay(2);
/*************************************************/
/***********************config**************************/
buf[0] = ISL_REG_CONFIG;
buf[1] = /*PROX_EN | */PROX_SLP(4) | PROX_DR_220 /*| ALS_EN | ALS_RANGE_L*/;
@@ -467,13 +637,34 @@ static void isl29028_config(struct i2c_client *client)
isl29028_read_reg(client, 0x04, &value);
printk("%s: config isl29028 PROX_HT(0x04) reg %#x \n", __FUNCTION__, value);
#endif
return 0;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
static void isl29028_suspend(struct early_suspend *h)
{
struct i2c_client *client = container_of(isl29028_psensor_misc.parent, struct i2c_client, dev);
D("isl29028 early suspend ========================= \n");
isl29028_psensor_disable(client);
isl29028_lsensor_disable(client);
}
static void isl29028_resume(struct early_suspend *h)
{
struct i2c_client *client = container_of(isl29028_psensor_misc.parent, struct i2c_client, dev);
D("isl29028 early resume ======================== \n");
isl29028_psensor_enable(client);
isl29028_lsensor_enable(client);
}
#else
#define isl29028_suspend NULL
#define isl29028_resume NULL
#endif
static int isl29028_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
int rc = -EIO;
struct input_dev *input_dev;
struct isl29028_data *isl;
D("\n%s: isl29028 i2c client probe\n\n", __func__);
@@ -488,69 +679,20 @@ static int isl29028_probe(struct i2c_client *client, const struct i2c_device_id
isl->client = client;
i2c_set_clientdata(client, isl);
D("%s: allocating input device\n", __func__);
input_dev = input_allocate_device();
if (!input_dev) {
dev_err(&client->dev,"%s: could not allocate input device\n", __FUNCTION__);
rc = -ENOMEM;
goto done;
}
isl->input_dev = input_dev;
input_set_drvdata(input_dev, isl);
input_dev->name = "proximity";
set_bit(EV_ABS, input_dev->evbit);
input_set_abs_params(input_dev, ABS_DISTANCE, 0, 1, 0, 0);
D("%s: registering input device\n", __func__);
rc = input_register_device(input_dev);
if (rc < 0) {
pr_err("%s: could not register input device\n", __func__);
goto err_free_input_device;
}
D("%s: registering misc device\n", __func__);
rc = misc_register(&isl29028_misc);
if (rc < 0) {
pr_err("%s: could not register misc device\n", __func__);
goto err_unregister_input_device;
}
isl29028_misc.parent = &client->dev;
misc_deregister(&isl29028_misc);
//isl->wq = create_freezeable_workqueue("isl29028_wq");
//INIT_WORK(&isl->work, isl29028_work_handler);
INIT_DELAYED_WORK(&isl->d_work, isl29028_dwork_handler);
rc = gpio_request(client->irq, "isl29028 irq");
rc = register_psensor_device(client, isl);
if (rc) {
pr_err("%s: request gpio %d failed \n", __func__, client->irq);
return rc;
goto err_free_mem;
}
rc = gpio_direction_input(client->irq);
rc = register_lsensor_device(client, isl);
if (rc) {
pr_err("%s: failed set gpio input\n", __FUNCTION__);
goto unregister_device1;
}
gpio_pull_updown(client->irq, GPIOPullUp);
isl->irq = gpio_to_irq(client->irq);
mdelay(1);
rc = request_irq(isl->irq, isl29028_irq_handler,
IRQ_TYPE_LEVEL_LOW, client->name, (void *)isl);
if (rc < 0) {
dev_err(&client->dev,"request_irq failed for gpio %d (%d)\n", client->irq, rc);
goto err_unregister_input_device;
rc = isl29028_config(client);
if (rc) {
goto unregister_device2;
}
//init_completion(&isl->completion);
//init_waitqueue_head(&isl->wait);
//kernel_thread(isl29028_thread, (void*)isl, CLONE_FILES | CLONE_SIGHAND | CLONE_FS);
//wait_for_completion(&isl->completion);
isl29028_config(client);
#ifdef CONFIG_HAS_EARLYSUSPEND
isl29028_early_suspend.suspend = isl29028_suspend;
isl29028_early_suspend.resume = isl29028_resume;
@@ -558,11 +700,12 @@ static int isl29028_probe(struct i2c_client *client, const struct i2c_device_id
register_early_suspend(&isl29028_early_suspend);
#endif
err_unregister_input_device:
input_unregister_device(input_dev);
goto done;
err_free_input_device:
input_free_device(input_dev);
unregister_device2:
unregister_lsensor_device(client, isl);
unregister_device1:
unregister_psensor_device(client, isl);
err_free_mem:
kfree(isl);
done:
return rc;
}
@@ -571,10 +714,8 @@ static int isl29028_remove(struct i2c_client *client)
{
struct isl29028_data *isl29028 = i2c_get_clientdata(client);
misc_deregister(&isl29028_misc);
input_unregister_device(isl29028->input_dev);
input_free_device(isl29028->input_dev);
free_irq(client->irq, isl29028);
unregister_lsensor_device(client, isl29028);
unregister_psensor_device(client, isl29028);
kfree(isl29028);
#ifdef CONFIG_HAS_EARLYSUSPEND
unregister_early_suspend(&isl29028_early_suspend);

14
drivers/input/misc/isl29028.h
View File

@@ -20,10 +20,14 @@
#include <linux/types.h>
#include <linux/ioctl.h>
#define ISL29028_IOCTL_MAGIC 'c'
#define ISL29028_IOCTL_GET_ENABLED \
_IOR(ISL29028_IOCTL_MAGIC, 1, int *)
#define ISL29028_IOCTL_ENABLE \
_IOW(ISL29028_IOCTL_MAGIC, 2, int *)
#define PSENSOR_IOCTL_MAGIC 'c'
#define PSENSOR_IOCTL_GET_ENABLED \
_IOR(PSENSOR_IOCTL_MAGIC, 1, int *)
#define PSENSOR_IOCTL_ENABLE \
_IOW(PSENSOR_IOCTL_MAGIC, 2, int *)
#define LIGHTSENSOR_IOCTL_MAGIC 'l'
#define LIGHTSENSOR_IOCTL_GET_ENABLED _IOR(LIGHTSENSOR_IOCTL_MAGIC, 1, int *)
#define LIGHTSENSOR_IOCTL_ENABLE _IOW(LIGHTSENSOR_IOCTL_MAGIC, 2, int *)
#endif