static int s3c_csis_probe(struct platform_device *pdev)
{
struct s3c_platform_csis *pdata;
struct resource *res;
s3c_csis_set_info();
s3c_csis->dev = &pdev->dev;
s3c_csis->clockon = 0;
pdata = to_csis_plat(&pdev->dev);
if (pdata->cfg_gpio)
pdata->cfg_gpio();
/* Get csis power domain regulator */
s3c_csis->regulator = regulator_get(&pdev->dev, "pd");
if (IS_ERR(s3c_csis->regulator)) {
err("%s: failed to get regulator %s\n",
__func__, pdev->name);
return PTR_ERR(s3c_csis->regulator);
}
/* clock & power on */
s3c_csis_clk_on(pdev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
err("failed to get io memory region\n");
return -EINVAL;
}
res = request_mem_region(res->start,
res->end - res->start + 1, pdev->name);
if (!res) {
err("failed to request io memory region\n");
return -EINVAL;
}
/* ioremap for register block */
s3c_csis->regs = ioremap(res->start, res->end - res->start + 1);
if (!s3c_csis->regs) {
err("failed to remap io region\n");
return -EINVAL;
}
/* irq */
s3c_csis->irq = platform_get_irq(pdev, 0);
if (request_irq(s3c_csis->irq, s3c_csis_irq, IRQF_DISABLED, \
s3c_csis->name, s3c_csis))
err("request_irq failed\n");
pr_info("Samsung MIPI-CSI2 driver probed successfully\n");
s3c_csis_clk_off(pdev);
return 0;
}
void s3c_csis_stop(struct platform_device *pdev)
{
struct s3c_platform_csis *plat;
s3c_csis_disable_interrupt();
s3c_csis_system_off();
s3c_csis_phy_off();
if(pdev)
plat = to_csis_plat(&pdev->dev);
else
plat = to_csis_plat(s3c_csis->dev);
if (plat->cfg_phy_global)
plat->cfg_phy_global(pdev, 0);
s3c_csis_clk_off(to_platform_device(s3c_csis->dev));
info("Samsung MIPI-CSI2 operation stoped\n");
}
/* sleep */
int s3c_csis_suspend(struct platform_device *pdev, pm_message_t state)
{
s3c_csis_clk_off(pdev);
return 0;
}