C++ (Cpp) msm_gpio_find_out Examples

Example #1

File: gpiomux-v1.c Project: 5toneyboy/AlienKernel3.0

void __msm_gpiomux_write(unsigned gpio, struct gpiomux_setting val)
{
	unsigned tlmm_config;
	unsigned tlmm_disable = 0;
	void __iomem *out_reg;
	unsigned offset;
	uint32_t bits;
	int rc;

	tlmm_config  = (val.drv << 17) |
		(val.pull << 15) |
		((gpio & 0x3ff) << 4) |
		val.func;
	if (val.func == GPIOMUX_FUNC_GPIO) {
		tlmm_config |= (val.dir > GPIOMUX_IN ? BIT(14) : 0);
		msm_gpio_find_out(gpio, &out_reg, &offset);
		bits = readl(out_reg);
		if (val.dir == GPIOMUX_OUT_HIGH)
			writel(bits | BIT(offset), out_reg);
		else
			writel(bits & ~BIT(offset), out_reg);
	}
	rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX,
			   &tlmm_config, &tlmm_disable);
	if (rc)
		pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n",
		       __func__, rc, tlmm_config, tlmm_disable);
}

Example #2

static void Tpsc(TpsPumpRes_t *pstRes, u32 n, bool Dir) {
	void __iomem *reg;
    unsigned long irq_flags;
    u32 i, offset, delay, loops;
    
    msm_gpio_find_out(pstRes->Id, &reg, &offset);
    delay = Dir ? 20 : 200;
    
    //printk("Tpsc n:%d, d:%d\n", n, Dir);

    spin_lock_irqsave(&atom_lock, irq_flags);
    loops = loops_per_jiffy/(1000000/HZ);
    loops *= delay;
    for (i = 0; i < n; i++) {
        msm_gpio_set_bit(offset, reg);
        // delay 1us
        msm_gpio_clr_bit(offset, reg);
        __delay(loops);
    }
    msm_gpio_set_bit(offset, reg);
    spin_unlock_irqrestore(&atom_lock, irq_flags);

    udelay(1000);
}