static int controller_queue_rb_irq(struct hw_controller *controller, unsigned char chipnr)
{
int ret = 0, timeout = 0;
if(chipnr != NAND_CHIP_UNDEFINE){ //skip dma operation
controller->select_chip(controller, chipnr);
}
init_completion(&controller_rb_completion);
controller_open_interrupt();
NFC_SEND_CMD_IDLE(controller->chip_selected, NAND_TWB_TIME_CYCLE);
controller->cmd_ctrl(controller, NAND_CMD_STATUS, NAND_CTRL_CLE);
NFC_SEND_CMD_IDLE(controller->chip_selected, NAND_TWB_TIME_CYCLE);
smp_rmb();
smp_wmb();
NFC_SEND_CMD_RB_IRQ(18);
//NFC_SEND_CMD_IDLE(controller->chip_selected, NAND_TWB_TIME_CYCLE);
timeout = wait_for_completion_timeout(&controller_rb_completion, 200);
if(timeout == 0){
aml_nand_msg("***nand irq timeout here");
ret = -NAND_BUSY_FAILURE;
}
controller_close_interrupt();
return ret;
}
static int controller_queue_rb_irq(struct hw_controller *controller,
unsigned char chipnr)
{
int ret = 0, timeout = 0;
if (chipnr != NAND_CHIP_UNDEFINE)/* skip dma operation */
controller->select_chip(controller, chipnr);
reinit_completion(&rb_complete);
controller_open_interrupt(controller);
NFC_SEND_CMD_IDLE(controller, NAND_TWB_TIME_CYCLE);
controller->cmd_ctrl(controller, NAND_CMD_STATUS, NAND_CTRL_CLE);
NFC_SEND_CMD_IDLE(controller, NAND_TWB_TIME_CYCLE);
/* */
smp_rmb();
/* */
smp_wmb();
NFC_SEND_CMD_RB_IRQ(controller, 18);
/* NFC_SEND_CMD_IDLE(controller, NAND_TWB_TIME_CYCLE); */
timeout = wait_for_completion_timeout(&rb_complete, 800);
if (timeout == 0) {
aml_nand_msg("***[nand] rb irq timeout");
ret = -NAND_BUSY_FAILURE;
}
controller_close_interrupt(controller);
return ret;
}
static irqreturn_t controller_interrupt_monitor(int irq,
void *dev_id)
{
struct hw_controller *controller = (struct hw_controller *)dev_id;
controller_close_interrupt(controller);
complete(&rb_complete);
return IRQ_HANDLED;
}
static irqreturn_t controller_interrupt_monitor(int irq, void *dev_id, struct pt_regs *regs)
{
//struct hw_controller *controller = (struct aml_nand_chip *)dev_id;
//printk("***nand irq here\n");
controller_close_interrupt();
complete(&controller_rb_completion);
return IRQ_HANDLED;
}
