static int bcm63xx_external_irq_set_type(unsigned int irq,
unsigned int flow_type)
{
u32 reg;
struct irq_desc *desc = irq_desc + irq;
irq -= IRQ_EXT_BASE;
flow_type &= IRQ_TYPE_SENSE_MASK;
if (flow_type == IRQ_TYPE_NONE)
flow_type = IRQ_TYPE_LEVEL_LOW;
reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
switch (flow_type) {
case IRQ_TYPE_EDGE_BOTH:
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
reg |= EXTIRQ_CFG_BOTHEDGE(irq);
break;
case IRQ_TYPE_EDGE_RISING:
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
reg |= EXTIRQ_CFG_SENSE(irq);
reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
break;
case IRQ_TYPE_EDGE_FALLING:
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
reg &= ~EXTIRQ_CFG_SENSE(irq);
reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
reg |= EXTIRQ_CFG_LEVELSENSE(irq);
reg |= EXTIRQ_CFG_SENSE(irq);
break;
case IRQ_TYPE_LEVEL_LOW:
reg |= EXTIRQ_CFG_LEVELSENSE(irq);
reg &= ~EXTIRQ_CFG_SENSE(irq);
break;
default:
printk(KERN_ERR "bogus flow type combination given !\n");
return -EINVAL;
}
bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) {
desc->status |= IRQ_LEVEL;
desc->handle_irq = handle_level_irq;
} else {
desc->handle_irq = handle_edge_irq;
}
return 0;
}
static int bcm63xx_external_irq_set_type(struct irq_data *d,
unsigned int flow_type)
{
unsigned int irq = d->irq - IRQ_EXT_BASE;
u32 reg;
flow_type &= IRQ_TYPE_SENSE_MASK;
if (flow_type == IRQ_TYPE_NONE)
flow_type = IRQ_TYPE_LEVEL_LOW;
reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
switch (flow_type) {
case IRQ_TYPE_EDGE_BOTH:
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
reg |= EXTIRQ_CFG_BOTHEDGE(irq);
break;
case IRQ_TYPE_EDGE_RISING:
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
reg |= EXTIRQ_CFG_SENSE(irq);
reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
break;
case IRQ_TYPE_EDGE_FALLING:
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
reg &= ~EXTIRQ_CFG_SENSE(irq);
reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
reg |= EXTIRQ_CFG_LEVELSENSE(irq);
reg |= EXTIRQ_CFG_SENSE(irq);
break;
case IRQ_TYPE_LEVEL_LOW:
reg |= EXTIRQ_CFG_LEVELSENSE(irq);
reg &= ~EXTIRQ_CFG_SENSE(irq);
break;
default:
printk(KERN_ERR "bogus flow type combination given !\n");
return -EINVAL;
}
bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
irqd_set_trigger_type(d, flow_type);
if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
__irq_set_handler_locked(d->irq, handle_level_irq);
else
__irq_set_handler_locked(d->irq, handle_edge_irq);
return IRQ_SET_MASK_OK_NOCOPY;
}
static int bcm63xx_external_irq_set_type(struct irq_data *d,
unsigned int flow_type)
{
unsigned int irq = d->irq - IRQ_EXTERNAL_BASE;
u32 reg, regaddr;
int levelsense, sense, bothedge;
flow_type &= IRQ_TYPE_SENSE_MASK;
if (flow_type == IRQ_TYPE_NONE)
flow_type = IRQ_TYPE_LEVEL_LOW;
levelsense = sense = bothedge = 0;
switch (flow_type) {
case IRQ_TYPE_EDGE_BOTH:
bothedge = 1;
break;
case IRQ_TYPE_EDGE_RISING:
sense = 1;
break;
case IRQ_TYPE_EDGE_FALLING:
break;
case IRQ_TYPE_LEVEL_HIGH:
levelsense = 1;
sense = 1;
break;
case IRQ_TYPE_LEVEL_LOW:
levelsense = 1;
break;
default:
printk(KERN_ERR "bogus flow type combination given !\n");
return -EINVAL;
}
regaddr = get_ext_irq_perf_reg(irq);
reg = bcm_perf_readl(regaddr);
irq %= 4;
switch (bcm63xx_get_cpu_id()) {
case BCM6348_CPU_ID:
if (levelsense)
reg |= EXTIRQ_CFG_LEVELSENSE_6348(irq);
else
reg &= ~EXTIRQ_CFG_LEVELSENSE_6348(irq);
if (sense)
reg |= EXTIRQ_CFG_SENSE_6348(irq);
else
reg &= ~EXTIRQ_CFG_SENSE_6348(irq);
if (bothedge)
reg |= EXTIRQ_CFG_BOTHEDGE_6348(irq);
else
reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq);
break;
case BCM6328_CPU_ID:
case BCM6338_CPU_ID:
case BCM6345_CPU_ID:
case BCM6358_CPU_ID:
case BCM6368_CPU_ID:
if (levelsense)
reg |= EXTIRQ_CFG_LEVELSENSE(irq);
else
reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
if (sense)
reg |= EXTIRQ_CFG_SENSE(irq);
else
reg &= ~EXTIRQ_CFG_SENSE(irq);
if (bothedge)
reg |= EXTIRQ_CFG_BOTHEDGE(irq);
else
reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
break;
default:
BUG();
}
bcm_perf_writel(reg, regaddr);
irqd_set_trigger_type(d, flow_type);
if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
__irq_set_handler_locked(d->irq, handle_level_irq);
else
__irq_set_handler_locked(d->irq, handle_edge_irq);
return IRQ_SET_MASK_OK_NOCOPY;
}
