static int bug_dock_probe(struct platform_device *pdev)
{
int err;
bool value;
struct dock_device *bug_dock;
mutex_lock(&count_lock);
bug_dock = kzalloc(sizeof(struct dock_device), GFP_KERNEL);
bug_dock->pdev = pdev;
// init usb_count
usb_count = 0;
// init work struct
INIT_WORK(&bug_dock->irq_handler_work, irq_handler_work);
// request control of USB reset
err = gpio_request(USB_RESET, "usb_reset");
err |= gpio_direction_output(USB_RESET, 1);
// request dock presence pin
err = gpio_request(DOCK_PRESENCE, "dock_presence");
err |= gpio_direction_input(DOCK_PRESENCE);
omap_set_gpio_debounce(DOCK_PRESENCE, 1);
omap_set_gpio_debounce_time(DOCK_PRESENCE, 0xff);
omap_cfg_reg(AH19_34XX_GPIO113);
// request dock presence irq
err = request_irq(gpio_to_irq(DOCK_PRESENCE), dock_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "bug-dock", bug_dock);
platform_set_drvdata(pdev, bug_dock);
err = sysfs_create_file(&pdev->dev.kobj, &dev_attr_usb_enable.attr);
if (err < 0)
printk(KERN_ERR "Error creating SYSFS entries...\n");
// check for dock
value = gpio_get_value(DOCK_PRESENCE);
if (!value) {
gpio_set_value (USB_RESET, 1);
usb_count ++;
}
else {
gpio_set_value (USB_RESET, 0);
}
if (err < 0) {
printk(KERN_ERR "bug_dock: error during probe...\n");
return -EINVAL;
}
mutex_unlock(&count_lock);
printk(KERN_INFO "bug_dock: bug_dock_probe...\n");
return 0;
}
static void ads7846_dev_init(void)
{
if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
gpio_direction_input(OMAP3_EVM_TS_GPIO);
omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
}
static void it7260_tch_gpio_init(void)
{
if (gpio_request(ZOOM2_TOUCHSCREEN_IRQ_GPIO, "touch") < 0) {
printk(KERN_ERR "can't get cypress touch pen(%d) down GPIO\n");
return;
}
gpio_direction_input(ZOOM2_TOUCHSCREEN_IRQ_GPIO);
omap_set_gpio_debounce(ZOOM2_TOUCHSCREEN_IRQ_GPIO, 1);
omap_set_gpio_debounce_time(ZOOM2_TOUCHSCREEN_IRQ_GPIO, 0xa);
}
/**
* @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
*
* @return - void. If request gpio fails then Flag KERN_ERR.
*/
static void ads7846_dev_init(void)
{
if (gpio_request(ts_gpio, "ads7846 irq") < 0) {
printk(KERN_ERR "can't get ads746 pen down GPIO\n");
return;
}
gpio_direction_input(ts_gpio);
omap_set_gpio_debounce(ts_gpio, 1);
omap_set_gpio_debounce_time(ts_gpio, 0xa);
}
static int tsc2004_init(void)
{
int res;
res = gpio_direction_input(10);
omap_set_gpio_debounce(10, 1);
omap_set_gpio_debounce_time(10, 0xff);
return 1;
}
static void __init omap3_ads7846_init(void)
{
if (gpio_request(OMAP3_TS_GPIO, "ads7846_pen_down")) {
printk(KERN_ERR "Failed to request GPIO %d for "
"ads7846 pen down IRQ\n", OMAP3_TS_GPIO);
return;
}
gpio_direction_input(OMAP3_TS_GPIO);
omap_set_gpio_debounce(OMAP3_TS_GPIO, 1);
omap_set_gpio_debounce_time(OMAP3_TS_GPIO, 0xa);
}
static void synaptics_dev_init(void)
{
/* Set the ts_gpio pin mux */
omap_cfg_reg(H18_34XX_GPIO163);
if (gpio_request(OMAP_SYNAPTICS_GPIO, "touch") < 0) {
printk(KERN_ERR "can't get synaptics pen down GPIO\n");
return;
}
gpio_direction_input(OMAP_SYNAPTICS_GPIO);
omap_set_gpio_debounce(OMAP_SYNAPTICS_GPIO, 1);
omap_set_gpio_debounce_time(OMAP_SYNAPTICS_GPIO, 0xa);
}
static void synaptics_dev_init(void)
{
/* Set the ts_gpio pin mux */
omap_mux_init_signal("gpio_163", OMAP_PIN_INPUT_PULLUP);
if (gpio_request(OMAP_SYNAPTICS_GPIO, "touch") < 0) {
printk(KERN_ERR "can't get synaptics pen down GPIO\n");
return;
}
gpio_direction_input(OMAP_SYNAPTICS_GPIO);
omap_set_gpio_debounce(OMAP_SYNAPTICS_GPIO, 1);
omap_set_gpio_debounce_time(OMAP_SYNAPTICS_GPIO, 0xa);
}
static int omapbmi_slot_probe(struct platform_device *pdev)
{
struct bmi_slot *slot;
struct resource *irq_pres, *irq_stat;
struct omap_bmi_platform_data* slot_pdata;
int ret;
printk(KERN_INFO "Buglabs 2.0 BUG Slots Driver...\n");
irq_pres = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq_pres) {
dev_err(&pdev->dev, "No presence irq resource...\n");
return -ENODEV;
}
irq_stat = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
if (!irq_stat) {
dev_err(&pdev->dev, "No status irq resource...\n");
return -ENODEV;
}
slot = kzalloc(sizeof(struct bmi_slot), GFP_KERNEL);
if (!slot) {
ret = -ENOMEM;
goto err_release;
}
//Request slot enable gpios
ret = gpio_request(225, "slot0 buf");
ret = gpio_request(226, "slot0 en");
ret = gpio_request(232, "slot1 buf");
ret = gpio_request(227, "slot1 en");
ret = gpio_request(216, "slot2 buf");
ret = gpio_request(228, "slot2 en");
ret = gpio_request(217, "slot3 buf");
ret = gpio_request(229, "slot3 en");
ret = gpio_request(irq_stat->start, "BMI SINT");
if (ret) {
printk(KERN_ERR "slots_bug: GPIO %d request failed...\n",irq_stat->start);
goto err_release;
}
ret = gpio_request(irq_pres->start, "BMI PINT");
if (ret) {
printk(KERN_ERR "slots_bug: GPIO %d request failed...\n",irq_pres->start);
goto err_release;
}
ret = gpio_direction_input(irq_pres->start);
omap_set_gpio_debounce(irq_pres->start, 1);
omap_set_gpio_debounce_time(irq_pres->start, 0xff);
slot_pdata = pdev->dev.platform_data;
omapbmi_slot_gpio_req(slot_pdata->gpios);
slot->slot_data = (void*)slot_pdata->gpios;
slot->present_irq = gpio_to_irq(irq_pres->start);
slot->status_irq = gpio_to_irq(irq_stat->start);
slot->owner = THIS_MODULE;
slot->name = "omap_bug_slot";
slot->slotdev.parent = &pdev->dev;
slot->adap = i2c_get_adapter(slot_pdata->i2c_bus_no);
slot->actions = &bl_actions;
slot->spi_bus_num = 1;
slot->spi_cs = slot_pdata->spi_cs;
ret = bmi_add_slot(slot);
if (ret) {
printk(KERN_ERR "slots_bug: Trouble instantiating slot...%d\n", ret);
goto err_release;
}
// disable_irq_nosync(slot->present_irq);
schedule_delayed_work(&slot->work, msecs_to_jiffies(1000));
return 0;
err_release:
kfree(slot->slot_data);
kfree(slot);
return ret;
}
static void __init pandora_keys_gpio_init(void)
{
/* set debounce time for GPIO banks 4 and 6 */
omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME);
omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME);
}