drivers/gpu/drm/panel/panel-samsung-s6e63m0-dsi.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panel/panel-samsung-s6e63m0-dsi.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panel/panel-samsung-s6e63m0-dsi.c
Extension
.c
Size
3255 bytes
Lines
141
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (ret < 0) {
			dev_err(dev, "error sending CMD %02x global param %02x\n",
				cmd, cmdwritten);
			return ret;
		}
		ret = mipi_dsi_dcs_write(dsi, cmd, seqp, chunk);
		if (ret < 0) {
			dev_err(dev, "error sending CMD %02x chunk\n", cmd);
			return ret;
		}
		cmdwritten += chunk;
		seqp += chunk;
	}
	dev_dbg(dev, "sent command %02x %02x bytes\n", cmd, cmdwritten);

	usleep_range(8000, 9000);

	return 0;
}

static int s6e63m0_dsi_probe(struct mipi_dsi_device *dsi)
{
	struct device *dev = &dsi->dev;
	int ret;

	dsi->lanes = 2;
	dsi->format = MIPI_DSI_FMT_RGB888;
	dsi->hs_rate = 349440000;
	dsi->lp_rate = 9600000;
	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
		MIPI_DSI_MODE_VIDEO_BURST;

	ret = s6e63m0_probe(dev, NULL, s6e63m0_dsi_dcs_read,
			    s6e63m0_dsi_dcs_write, true);
	if (ret)
		return ret;

	ret = mipi_dsi_attach(dsi);
	if (ret < 0)
		s6e63m0_remove(dev);

	return ret;
}

static void s6e63m0_dsi_remove(struct mipi_dsi_device *dsi)
{
	mipi_dsi_detach(dsi);
	s6e63m0_remove(&dsi->dev);
}

static const struct of_device_id s6e63m0_dsi_of_match[] = {
	{ .compatible = "samsung,s6e63m0" },
	{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, s6e63m0_dsi_of_match);

static struct mipi_dsi_driver s6e63m0_dsi_driver = {
	.probe			= s6e63m0_dsi_probe,
	.remove			= s6e63m0_dsi_remove,
	.driver			= {
		.name		= "panel-samsung-s6e63m0",
		.of_match_table = s6e63m0_dsi_of_match,
	},
};
module_mipi_dsi_driver(s6e63m0_dsi_driver);

MODULE_AUTHOR("Linus Walleij <linusw@kernel.org>");
MODULE_DESCRIPTION("s6e63m0 LCD DSI Driver");
MODULE_LICENSE("GPL v2");

Annotation

Implementation Notes