void pnx4008_uart_init(void)
{
u32 tmp;
int i = UART_FIFO_SIZE;
__raw_writel(0xC1, UART5_BASE_VA + UART_FCR_OFFSET);
__raw_writel(0xC1, UART3_BASE_VA + UART_FCR_OFFSET);
/* Send a NULL to fix the UART HW bug */
__raw_writel(0x00, UART5_BASE_VA);
__raw_writel(0x00, UART3_BASE_VA);
while (i--) {
tmp = __raw_readl(UART5_BASE_VA);
tmp = __raw_readl(UART3_BASE_VA);
}
__raw_writel(0, UART5_BASE_VA + UART_FCR_OFFSET);
__raw_writel(0, UART3_BASE_VA + UART_FCR_OFFSET);
/* setup wakeup interrupt */
start_int_set_rising_edge(SE_U3_RX_INT);
start_int_ack(SE_U3_RX_INT);
start_int_umask(SE_U3_RX_INT);
start_int_set_rising_edge(SE_U5_RX_INT);
start_int_ack(SE_U5_RX_INT);
start_int_umask(SE_U5_RX_INT);
}
void pnx4008_uart_init(void)
{
u32 tmp;
int i = UART_FIFO_SIZE;
__raw_writel(0xC1, UART5_BASE_VA + UART_FCR_OFFSET);
__raw_writel(0xC1, UART3_BASE_VA + UART_FCR_OFFSET);
__raw_writel(0x00, UART5_BASE_VA);
__raw_writel(0x00, UART3_BASE_VA);
while (i--) {
tmp = __raw_readl(UART5_BASE_VA);
tmp = __raw_readl(UART3_BASE_VA);
}
__raw_writel(0, UART5_BASE_VA + UART_FCR_OFFSET);
__raw_writel(0, UART3_BASE_VA + UART_FCR_OFFSET);
start_int_set_rising_edge(SE_U3_RX_INT);
start_int_ack(SE_U3_RX_INT);
start_int_umask(SE_U3_RX_INT);
start_int_set_rising_edge(SE_U5_RX_INT);
start_int_ack(SE_U5_RX_INT);
start_int_umask(SE_U5_RX_INT);
}
/*initialize the device*/
static int pnx_keypad_probe(struct device *dev)
{
int tmp;
printk(KERN_INFO PKMOD "PNX4008 Keypad Driver\n");
/* printk("%s %s\n", __TIME__, __DATE__); */
if (!request_region(PNX4008_KEYSCAN_BASE, 0x1000, MODULE_NAME)) {
printk(KERN_ERR PKMOD
"KS (keypad) registers are already in use\n");
pnx_keypad_remove(dev);
return -EBUSY;
}
set_bit(KEYPAD_REGION_INITED, &pnx_keypad_status);
#ifdef KS_USE_ROWS_6_7
tmp = pnx4008_gpio_register_pin(GPIO_02);
if (tmp < 0) {
printk(KERN_ERR PKMOD "failed to register GPIO2\n");
pnx_keypad_remove(dev);
return tmp;
}
pnx4008_gpio_set_pin_mux(GPIO_02, 1); /*set to MUX function */
set_bit(KEYPAD_GPIO2_MUX_INITED, &pnx_keypad_status);
tmp = pnx4008_gpio_register_pin(GPIO_03);
if (tmp < 0) {
printk(KERN_ERR PKMOD "failed to register GPIO3\n");
pnx_keypad_remove(dev);
return tmp;
}
pnx4008_gpio_set_pin_mux(GPIO_03, 1); /*set to MUX function */
set_bit(KEYPAD_GPIO3_MUX_INITED, &pnx_keypad_status);
#endif
pnx_keypad_dev_init(&pnx_keypad_dev); /*initialize device fields */
input_register_device(&pnx_keypad_dev);
pnx4008_kbd_clock_control(1); /*enable clock */
pnx_keypad_reg_init(); /*setup registers */
/*setup wakeup interrupt */
start_int_set_rising_edge(SE_KEY_IRQ);
start_int_ack(SE_KEY_IRQ);
start_int_umask(SE_KEY_IRQ);
set_bit(KEYPAD_DEVICE_INITED, &pnx_keypad_status);
/*interrupt may be triggered even if keypad clock is disabled */
tmp = request_irq(KEY_IRQ, pnx_keypad_interrupt,
0, MODULE_NAME, &pnx_keypad_dev);
if (tmp < 0) {
printk(KERN_ERR PKMOD "failed to register irq\n");
pnx_keypad_remove(dev);
return tmp;
}
set_bit(KEYPAD_IRQ_INITED, &pnx_keypad_status);
return 0;
}
static void pnx4008_set_usb_bits(void)
{
start_int_set_falling_edge(SE_USB_OTG_ATX_INT_N);
start_int_ack(SE_USB_OTG_ATX_INT_N);
start_int_umask(SE_USB_OTG_ATX_INT_N);
start_int_set_rising_edge(SE_USB_OTG_TIMER_INT);
start_int_ack(SE_USB_OTG_TIMER_INT);
start_int_umask(SE_USB_OTG_TIMER_INT);
start_int_set_rising_edge(SE_USB_I2C_INT);
start_int_ack(SE_USB_I2C_INT);
start_int_umask(SE_USB_I2C_INT);
start_int_set_rising_edge(SE_USB_INT);
start_int_ack(SE_USB_INT);
start_int_umask(SE_USB_INT);
start_int_set_rising_edge(SE_USB_NEED_CLK_INT);
start_int_ack(SE_USB_NEED_CLK_INT);
start_int_umask(SE_USB_NEED_CLK_INT);
start_int_set_rising_edge(SE_USB_AHB_NEED_CLK_INT);
start_int_ack(SE_USB_AHB_NEED_CLK_INT);
start_int_umask(SE_USB_AHB_NEED_CLK_INT);
}
