static int s6e8aa0_probe(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
struct s6e8aa0 *ctx;
int ret;
ctx = devm_kzalloc(dev, sizeof(struct s6e8aa0), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
mipi_dsi_set_drvdata(dsi, ctx);
ctx->dev = dev;
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST
| MIPI_DSI_MODE_VIDEO_HFP | MIPI_DSI_MODE_VIDEO_HBP
| MIPI_DSI_MODE_VIDEO_HSA | MIPI_DSI_MODE_EOT_PACKET
| MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_AUTO_VERT;
ret = s6e8aa0_parse_dt(ctx);
if (ret < 0)
return ret;
ctx->supplies[0].supply = "vdd3";
ctx->supplies[1].supply = "vci";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
ctx->supplies);
if (ret < 0) {
dev_err(dev, "failed to get regulators: %d\n", ret);
return ret;
}
ctx->reset_gpio = devm_gpiod_get(dev, "reset");
if (IS_ERR(ctx->reset_gpio)) {
dev_err(dev, "cannot get reset-gpios %ld\n",
PTR_ERR(ctx->reset_gpio));
return PTR_ERR(ctx->reset_gpio);
}
ret = gpiod_direction_output(ctx->reset_gpio, 1);
if (ret < 0) {
dev_err(dev, "cannot configure reset-gpios %d\n", ret);
return ret;
}
ctx->brightness = GAMMA_LEVEL_NUM - 1;
drm_panel_init(&ctx->panel);
ctx->panel.dev = dev;
ctx->panel.funcs = &s6e8aa0_drm_funcs;
ret = drm_panel_add(&ctx->panel);
if (ret < 0)
return ret;
ret = mipi_dsi_attach(dsi);
if (ret < 0)
drm_panel_remove(&ctx->panel);
return ret;
}
static int s6e3ha2_probe(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
struct s6e3ha2 *ctx;
int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
mipi_dsi_set_drvdata(dsi, ctx);
ctx->dev = dev;
ctx->desc = of_device_get_match_data(dev);
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
ctx->supplies[0].supply = "vdd3";
ctx->supplies[1].supply = "vci";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
ctx->supplies);
if (ret < 0) {
dev_err(dev, "failed to get regulators: %d\n", ret);
return ret;
}
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(ctx->reset_gpio)) {
dev_err(dev, "cannot get reset-gpios %ld\n",
PTR_ERR(ctx->reset_gpio));
return PTR_ERR(ctx->reset_gpio);
}
ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
if (IS_ERR(ctx->enable_gpio)) {
dev_err(dev, "cannot get enable-gpios %ld\n",
PTR_ERR(ctx->enable_gpio));
return PTR_ERR(ctx->enable_gpio);
}
ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx,
&s6e3ha2_bl_ops, NULL);
if (IS_ERR(ctx->bl_dev)) {
dev_err(dev, "failed to register backlight device\n");
return PTR_ERR(ctx->bl_dev);
}
ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS;
ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS;
ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
drm_panel_init(&ctx->panel);
ctx->panel.dev = dev;
ctx->panel.funcs = &s6e3ha2_drm_funcs;
ret = drm_panel_add(&ctx->panel);
if (ret < 0)
goto unregister_backlight;
ret = mipi_dsi_attach(dsi);
if (ret < 0)
goto remove_panel;
return ret;
remove_panel:
drm_panel_remove(&ctx->panel);
unregister_backlight:
backlight_device_unregister(ctx->bl_dev);
return ret;
}