drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c
Extension
.c
Size
12620 bytes
Lines
524
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

struct s6e63j0x03 {
	struct device *dev;
	struct drm_panel panel;
	struct backlight_device *bl_dev;

	struct regulator_bulk_data supplies[2];
	struct gpio_desc *reset_gpio;
};

static const struct drm_display_mode default_mode = {
	.clock = 4649,
	.hdisplay = 320,
	.hsync_start = 320 + 1,
	.hsync_end = 320 + 1 + 1,
	.htotal = 320 + 1 + 1 + 1,
	.vdisplay = 320,
	.vsync_start = 320 + 150,
	.vsync_end = 320 + 150 + 1,
	.vtotal = 320 + 150 + 1 + 2,
	.flags = 0,
};

static const unsigned char gamma_tbl[NUM_GAMMA_STEPS][GAMMA_CMD_CNT] = {
	{	/* Gamma 10 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x7f, 0x7f, 0x7f, 0x52, 0x6b, 0x6f, 0x26,
		0x28, 0x2d, 0x28, 0x26, 0x27, 0x33, 0x34, 0x32, 0x36, 0x36,
		0x35, 0x00, 0xab, 0x00, 0xae, 0x00, 0xbf
	},
	{	/* gamma 30 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x70, 0x7f, 0x7f, 0x4e, 0x64, 0x69, 0x26,
		0x27, 0x2a, 0x28, 0x29, 0x27, 0x31, 0x32, 0x31, 0x35, 0x34,
		0x35, 0x00, 0xc4, 0x00, 0xca, 0x00, 0xdc
	},
	{	/* gamma 60 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x65, 0x7b, 0x7d, 0x5f, 0x67, 0x68, 0x2a,
		0x28, 0x29, 0x28, 0x2a, 0x27, 0x31, 0x2f, 0x30, 0x34, 0x33,
		0x34, 0x00, 0xd9, 0x00, 0xe4, 0x00, 0xf5
	},
	{	/* gamma 90 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x4d, 0x6f, 0x71, 0x67, 0x6a, 0x6c, 0x29,
		0x28, 0x28, 0x28, 0x29, 0x27, 0x30, 0x2e, 0x30, 0x32, 0x31,
		0x31, 0x00, 0xea, 0x00, 0xf6, 0x01, 0x09
	},
	{	/* gamma 120 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x3d, 0x66, 0x68, 0x69, 0x69, 0x69, 0x28,
		0x28, 0x27, 0x28, 0x28, 0x27, 0x30, 0x2e, 0x2f, 0x31, 0x31,
		0x30, 0x00, 0xf9, 0x01, 0x05, 0x01, 0x1b
	},
	{	/* gamma 150 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x31, 0x51, 0x53, 0x66, 0x66, 0x67, 0x28,
		0x29, 0x27, 0x28, 0x27, 0x27, 0x2e, 0x2d, 0x2e, 0x31, 0x31,
		0x30, 0x01, 0x04, 0x01, 0x11, 0x01, 0x29
	},
	{	/* gamma 200 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x2f, 0x4f, 0x51, 0x67, 0x65, 0x65, 0x29,
		0x2a, 0x28, 0x27, 0x25, 0x26, 0x2d, 0x2c, 0x2c, 0x30, 0x30,
		0x30, 0x01, 0x14, 0x01, 0x23, 0x01, 0x3b
	},
	{	/* gamma 240 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x2c, 0x4d, 0x50, 0x65, 0x63, 0x64, 0x2a,
		0x2c, 0x29, 0x26, 0x24, 0x25, 0x2c, 0x2b, 0x2b, 0x30, 0x30,
		0x30, 0x01, 0x1e, 0x01, 0x2f, 0x01, 0x47
	},
	{	/* gamma 300 */
		MCS_MTP_SET3,
		0x00, 0x00, 0x00, 0x38, 0x61, 0x64, 0x65, 0x63, 0x64, 0x28,
		0x2a, 0x27, 0x26, 0x23, 0x25, 0x2b, 0x2b, 0x2a, 0x30, 0x2f,
		0x30, 0x01, 0x2d, 0x01, 0x3f, 0x01, 0x57
	}
};

static inline struct s6e63j0x03 *panel_to_s6e63j0x03(struct drm_panel *panel)
{
	return container_of(panel, struct s6e63j0x03, panel);
}

static inline ssize_t s6e63j0x03_dcs_write_seq(struct s6e63j0x03 *ctx,
					const void *seq, size_t len)
{
	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);

	return mipi_dsi_dcs_write_buffer(dsi, seq, len);

Annotation

Implementation Notes