void av_det_irq_init(struct aml_av_det_platform_data *pdata)
{
if (pdata->irq_in_num && pdata->irq_out_num) {
gpio_for_irq(pdata->interrupt_pin,
AML_GPIO_IRQ(pdata->irq_in_num, FILTER_NUM7,
GPIO_IRQ_FALLING));
gpio_for_irq(pdata->interrupt_pin,
AML_GPIO_IRQ(pdata->irq_out_num, FILTER_NUM7,
GPIO_IRQ_RISING));
printk(KERN_INFO"av_det_irq_init in:%d out:%d\n",pdata->irq_in_num,pdata->irq_out_num);
}
}
// get gpio configuration from device tree.
static void aml_config_gpio_irq(void)
{
int ret = 0;
unsigned int gpio_irq;
gpio_irq = devinfo->config.gpio_intr;
ret = amlogic_gpio_request(gpio_irq, gMhlI2cIdTable[0].name);
ret |= amlogic_gpio_direction_input(gpio_irq, gMhlI2cIdTable[0].name);
ret |= amlogic_gpio_to_irq(gpio_irq, gMhlI2cIdTable[0].name, AML_GPIO_IRQ((gMhlDevice.pI2cClient->irq-INT_GPIO_0),FILTER_NUM7,GPIO_IRQ_LOW));
printk("sii5293 config gpio_irq, irq = %d, ret = %d\n",gMhlDevice.pI2cClient->irq, ret);
return ;
}
int meson_cvbs_init(struct drm_device *dev)
{
struct device *d = dev->dev;
const char *str;
int ret;
ret = of_property_read_string(d->of_node, "cvbs_pal_gpio", &str);
if (ret < 0) {
dev_warn(d, "Failed to read property \"cvbs_pal_gpio\"\n");
goto out;
}
gpio_pal = amlogic_gpio_name_map_num(str);
if (gpio_pal < 0) {
dev_warn(d, "Failed to map cvbs_pal_gpio to a GPIO number\n");
goto out;
}
ret = amlogic_gpio_request_one(gpio_pal, GPIOF_IN,
"mesondrm pal");
if (ret < 0) {
dev_warn(d, "Failed to request cvbs_pal_gpio\n");
goto out;
}
ret = amlogic_set_pull_up_down(gpio_pal, 1, "mesondrm pal");
if (ret < 0) {
dev_warn(d, "Failed to up-down cvbs_pal_gpio\n");
goto out;
}
ret = of_property_read_string(d->of_node, "cvbs_ntsc_gpio", &str);
if (ret < 0) {
dev_warn(d, "Failed to read property \"cvbs_ntsc_gpio\"\n");
goto out;
}
gpio_ntsc = amlogic_gpio_name_map_num(str);
if (gpio_pal < 0) {
dev_warn(d, "Failed to map cvbs_ntsc_gpio to a GPIO number\n");
goto out;
}
ret = amlogic_gpio_request_one(gpio_ntsc, GPIOF_IN,
"mesondrm ntsc");
if (ret < 0) {
dev_warn(d, "Failed to request cvbs_ntsc_gpio\n");
goto out;
}
ret = amlogic_set_pull_up_down(gpio_ntsc, 1, "mesondrm ntsc");
if (ret < 0) {
dev_warn(d, "Failed to up-down cvbs_ntsc_gpio\n");
goto out;
}
ret = amlogic_gpio_to_irq(gpio_pal, "mesondrm pal",
AML_GPIO_IRQ(2, FILTER_NUM7,
GPIO_IRQ_RISING));
if (ret < 0) {
dev_warn(d,
"Failed to get IRQ line for cvbs_pal_gpio rising\n");
goto out;
}
ret = amlogic_gpio_to_irq(gpio_pal, "mesondrm pal",
AML_GPIO_IRQ(1, FILTER_NUM7,
GPIO_IRQ_FALLING));
if (ret < 0) {
dev_warn(d,
"Failed to get IRQ line for cvbs_pal_gpio falling\n");
goto out;
}
meson_cvbs_work.dev = dev;
INIT_DELAYED_WORK(&meson_cvbs_work.work, cvbs_switch_work_func);
ret = devm_request_threaded_irq(d, INT_GPIO_2, NULL,
cvbs_switch_intr_handler, IRQF_ONESHOT,
"mesondrm pal", &meson_cvbs_work);
if (ret < 0) {
dev_warn(d, "Failed to claim cvbs_pal_gpio rising IRQ\n");
goto out;
}
ret = devm_request_threaded_irq(d, INT_GPIO_1, NULL,
cvbs_switch_intr_handler, IRQF_ONESHOT,
"mesondrm pal", &meson_cvbs_work);
if (ret < 0) {
dev_warn(d, "Failed to claim cvbs_pal_gpio falling IRQ\n");
goto out;
}
out:
return ret;
}
//#define gpio_dump
//#define pull_dump
//#define dire_dump
static int amlogic_gpio_probe(struct platform_device *pdev)
{
#ifdef CONFIG_OF_GPIO
amlogic_gpio_chip.of_node = pdev->dev.of_node;
#endif
amlogic_gpio_chip.base=0;
amlogic_gpio_chip.ngpio=ARRAY_SIZE(amlogic_pins);
gpiochip_add(&amlogic_gpio_chip);
pullup_ops.meson_set_pullup=m8b_set_pullup;
dev_info(&pdev->dev, "Probed amlogic GPIO driver\n");
#ifdef gpio_dump
int gi;
for(gi=0;gi<GPIO_MAX;gi++)
printk("%s,amlogic_pins[%d]=%d,%d,out en reg=%x,bit=%d,out val reg=%x,bit=%d,input reg=%x,bit=%d\n",
amlogic_pins[gi].name,gi,amlogic_pins[gi].num,
gpio_amlogic_name_to_num(amlogic_pins[gi].name),
(p_gpio_oen_addr[GPIO_REG(amlogic_pins[gi].out_en_reg_bit)]&0xffff)>>2,
GPIO_BIT(amlogic_pins[gi].out_en_reg_bit),
(p_gpio_output_addr[GPIO_REG(amlogic_pins[gi].out_value_reg_bit)]&0xffff)>>2,
GPIO_BIT(amlogic_pins[gi].out_value_reg_bit),
(p_gpio_input_addr[GPIO_REG(amlogic_pins[gi].input_value_reg_bit)]&0xffff)>>2,
GPIO_BIT(amlogic_pins[gi].input_value_reg_bit)
);
#endif
#ifdef irq_dump
for(i=GPIO_IRQ0;i<GPIO_IRQ7+1;i++){
gpio_flag=AML_GPIO_IRQ(i,FILTER_NUM7,GPIO_IRQ_HIGH);
gpio_amlogic_to_irq(NULL,50);
}
for(i=GPIO_IRQ_HIGH;i<GPIO_IRQ_FALLING+1;i++){
gpio_flag=AML_GPIO_IRQ(GPIO_IRQ0,FILTER_NUM7,i);
gpio_amlogic_to_irq(NULL,50);
}
#endif
#ifdef pull_dump
int preg,pbit,penbit,pi;
for(pi=0;pi<GPIO_TEST_N;pi++){
m8b_pin_to_pullup(pi,&preg,&pbit,&penbit);
printk("%s \t,pull up en reg:%x \t,enbit:%d \t,==,pull up reg:%x \t,bit:%d \t\n",
amlogic_pins[pi].name,
(p_pull_upen_addr[preg]&0xffff)>>2,
penbit,
(p_pull_up_addr[preg]&0xffff)>>2,
pbit);
}
#endif
#ifdef dire_dump
extern int m8b_pin_map_to_direction(unsigned int pin,unsigned int *reg,unsigned int *bit);
int dreg,dbit,di;
for(di=0;di<GPIO_TEST_N;di++){
m8b_pin_map_to_direction(di,&dreg,&dbit);
printk("%s \t,output en reg:%x \t,enbit:%d \t\n",
amlogic_pins[di].name,
(p_gpio_oen_addr[dreg]&0xffff)>>2,
dbit);
}
#endif
return 0;
}