static int __init s5p_hpd_probe(struct platform_device *pdev)
{
if (misc_register(&hpd_misc_device)) {
pr_err("%s::Couldn't register device 10, %d.\n", __func__,
HPD_MINOR);
return -EBUSY;
}
init_waitqueue_head(&g_hpd_struct.waitq);
spin_lock_init(&g_hpd_struct.lock);
atomic_set(&g_hpd_struct.state, -1);
atomic_set(&g_hdmi_status, HDMI_OFF);
s3c_gpio_cfgpin(S5PV210_GPH1(5), S3C_GPIO_SFN(0xf));
s3c_gpio_setpull(S5PV210_GPH1(5), S3C_GPIO_PULL_DOWN);
writel(readl(S5PV210_GPH1DRV)|0x3<<10, S5PV210_GPH1DRV);
if (gpio_get_value(S5PV210_GPH1(5))) {
atomic_set(&g_hpd_struct.state, HPD_HI);
g_last_hpd_state = HPD_HI;
} else {
atomic_set(&g_hpd_struct.state, HPD_LO);
g_last_hpd_state = HPD_LO;
}
set_irq_type(IRQ_EINT13, IRQ_TYPE_EDGE_BOTH);
if (request_irq(IRQ_EINT13, s5p_hpd_irq_handler, IRQF_DISABLED,
"hpd", s5p_hpd_irq_handler)) {
pr_err("%s::failed to install %s irq\n", __func__, "hpd");
misc_deregister(&hpd_misc_device);
return -EIO;
}
if (s5p_hdmi_register_isr(s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_PLUG) != 0)
pr_err("%s::s5p_hdmi_register_isr(HDMI_IRQ_HPD_PLUG) fail\n", __func__);
if (s5p_hdmi_register_isr(s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_UNPLUG) != 0)
pr_err("%s::s5p_hdmi_register_isr(HDMI_IRQ_HPD_UNPLUG) fail\n", __func__);
return 0;
}
static int __init s5p_hpd_probe(struct platform_device *pdev)
{
if (misc_register(&hpd_misc_device)) {
printk(KERN_WARNING " Couldn't register device 10, %d.\n",
HPD_MINOR);
return -EBUSY;
}
init_waitqueue_head(&hpd_struct.waitq);
spin_lock_init(&hpd_struct.lock);
atomic_set(&hpd_struct.state, -1);
atomic_set(&hdmi_status, HDMI_OFF);
s3c_gpio_cfgpin(S5PV210_GPH1(5), S5PV210_GPH1_5_EXT_INT31_5);
s3c_gpio_setpull(S5PV210_GPH1(5), S3C_GPIO_PULL_DOWN);
s3c_gpio_set_drvstrength(S5PV210_GPH1(5), S3C_GPIO_DRVSTR_4X);
if (gpio_get_value(S5PV210_GPH1(5))) {
atomic_set(&hpd_struct.state, HPD_HI);
last_hpd_state = HPD_HI;
irq_event = EVENT_RISING;
} else {
atomic_set(&hpd_struct.state, HPD_LO);
last_hpd_state = HPD_LO;
irq_event = EVENT_FALLING;
}
set_irq_type(IRQ_EINT13, IRQ_TYPE_EDGE_BOTH);
if (request_irq(IRQ_EINT13, s5p_hpd_irq_handler, IRQF_DISABLED,
"hpd", s5p_hpd_irq_handler)) {
printk(KERN_ERR "failed to install %s irq\n", "hpd");
misc_deregister(&hpd_misc_device);
return -EIO;
}
s5p_hdmi_register_isr((void *) s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_PLUG);
s5p_hdmi_register_isr((void *) s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_UNPLUG);
return 0;
}
static int __init s5p_hpd_probe(struct platform_device *pdev)
{
if (misc_register(&hpd_misc_device)) {
printk(KERN_WARNING " Couldn't register device 10, %d.\n", HPD_MINOR);
return -EBUSY;
}
init_waitqueue_head(&hpd_struct.waitq);
spin_lock_init(&hpd_struct.lock);
atomic_set(&hpd_struct.state, -1);
#ifdef USEEXTINT
s3c_gpio_cfgpin(S5PV210_GPH1(5), S3C_GPIO_SFN(0xf));
s3c_gpio_setpull(S5PV210_GPH1(5), S3C_GPIO_PULL_UP);
if (gpio_get_value(S5PV210_GPH1(5)))
atomic_set(&hpd_struct.state, HPD_HI);
else
atomic_set(&hpd_struct.state, HPD_LO);
set_irq_type(IRQ_EINT13, IRQ_TYPE_EDGE_BOTH);
if (request_irq(IRQ_EINT13, s5p_hpd_irq_handler, IRQF_DISABLED, "hpd", s5p_hpd_irq_handler)){
printk(KERN_ERR "failed to install %s irq\n", "hpd");
misc_deregister(&hpd_misc_device);
return -EIO;
}
#else
/* must be checked */
s5p_hdmi_register_isr(s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_PLUG);
s5p_hdmi_register_isr(s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_UNPLUG);
#endif
return 0;
}
static int __init s5p_hpd_probe(struct platform_device *pdev)
{
if (misc_register(&hpd_misc_device)) {
printk(KERN_WARNING " Couldn't register device 10, %d.\n",
HPD_MINOR);
return -EBUSY;
}
init_waitqueue_head(&hpd_struct.waitq);
spin_lock_init(&hpd_struct.lock);
atomic_set(&hpd_struct.state, -1);
atomic_set(&hdmi_status, HDMI_OFF);
s3c_gpio_cfgpin(S5PV210_GPH1(5), S3C_GPIO_SFN(0xf));
s3c_gpio_setpull(S5PV210_GPH1(5), S3C_GPIO_PULL_DOWN);
writel(readl(S5PV210_GPH1DRV)|0x3<<10, S5PV210_GPH1DRV);
// by pjlee : Interrupt Signal Change
#ifdef CONFIG_MACH_MANGO210_EVT0
if (!gpio_get_value(S5PV210_GPH1(5))) {
#else
if (gpio_get_value(S5PV210_GPH1(5))) {
#endif
atomic_set(&hpd_struct.state, HPD_HI);
last_hpd_state = HPD_HI;
} else {
atomic_set(&hpd_struct.state, HPD_LO);
last_hpd_state = HPD_LO;
}
set_irq_type(IRQ_EINT13, IRQ_TYPE_EDGE_BOTH);
if (request_irq(IRQ_EINT13, s5p_hpd_irq_handler, IRQF_DISABLED,
"hpd", s5p_hpd_irq_handler)) {
printk(KERN_ERR "failed to install %s irq\n", "hpd");
misc_deregister(&hpd_misc_device);
return -EIO;
}
s5p_hdmi_register_isr(s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_PLUG);
s5p_hdmi_register_isr(s5p_hpd_irq_handler, (u8)HDMI_IRQ_HPD_UNPLUG);
return 0;
}
/*
* Remove
*/
static int s5p_hpd_remove(struct platform_device *pdev)
{
return 0;
}
#ifdef CONFIG_PM
/*
* Suspend
*/
int s5p_hpd_suspend(struct platform_device *dev, pm_message_t state)
{
return 0;
}
/*
* Resume
*/
int s5p_hpd_resume(struct platform_device *dev)
{
return 0;
}
#else
#define s5p_hpd_suspend NULL
#define s5p_hpd_resume NULL
#endif
static struct platform_driver s5p_hpd_driver = {
.probe = s5p_hpd_probe,
.remove = s5p_hpd_remove,
.suspend = s5p_hpd_suspend,
.resume = s5p_hpd_resume,
.driver = {
.name = "s5p-hpd",
.owner = THIS_MODULE,
},
};
static char banner[] __initdata =
"S5PC11X HPD Driver, (c) 2009 Samsung Electronics\n";
int __init s5p_hpd_init(void)
{
int ret;
printk(banner);
ret = platform_driver_register(&s5p_hpd_driver);
if (ret) {
printk(KERN_ERR "Platform Device Register Failed %d\n", ret);
return -1;
}
return 0;
}