void s3c_csis_start(int lanes, int settle, int align, int width,
int height, int pixel_format)
{
struct platform_device *pdev = to_platform_device(s3c_csis->dev);
struct s3c_platform_csis *pdata;
/* clock & power on */
s3c_csis_clk_on(pdev);
pdata = to_csis_plat(s3c_csis->dev);
if (pdata->cfg_phy_global)
pdata->cfg_phy_global(pdev, 1);
s3c_csis_reset();
s3c_csis_set_nr_lanes(lanes);
#ifdef CONFIG_MIPI_CSI_ADV_FEATURE
/* FIXME: how configure the followings with FIMC dynamically? */
s3c_csis_set_hs_settle(settle); /* s5k6aa */
s3c_csis_set_data_align(align);
s3c_csis_set_wclk(0);
if (pixel_format == V4L2_PIX_FMT_JPEG)
s3c_csis_set_format(MIPI_USER_DEF_PACKET_1);
else
s3c_csis_set_format(MIPI_CSI_YCBCR422_8BIT);
s3c_csis_set_resol(width, height);
s3c_csis_update_shadow();
#endif
s3c_csis_enable_interrupt();
s3c_csis_system_on();
s3c_csis_phy_on();
info("Samsung MIPI-CSI2 operation started\n");
}
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;
}
/* wakeup */
int s3c_csis_resume(struct platform_device *pdev)
{
s3c_csis_clk_on(pdev);
return 0;
}
