drivers/gpu/drm/panel/panel-visionox-vtdr6130.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panel/panel-visionox-vtdr6130.c
Extension
.c
Size
10205 bytes
Lines
326
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 visionox_vtdr6130 {
	struct drm_panel panel;
	struct mipi_dsi_device *dsi;
	struct gpio_desc *reset_gpio;
	struct regulator_bulk_data *supplies;
};

static const struct regulator_bulk_data visionox_vtdr6130_supplies[] = {
	{ .supply = "vddio" },
	{ .supply = "vci" },
	{ .supply = "vdd" },
};

static inline struct visionox_vtdr6130 *to_visionox_vtdr6130(struct drm_panel *panel)
{
	return container_of(panel, struct visionox_vtdr6130, panel);
}

static void visionox_vtdr6130_reset(struct visionox_vtdr6130 *ctx)
{
	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
	usleep_range(10000, 11000);
	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
	usleep_range(10000, 11000);
	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
	usleep_range(10000, 11000);
}

static int visionox_vtdr6130_on(struct visionox_vtdr6130 *ctx)
{
	struct mipi_dsi_device *dsi = ctx->dsi;
	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };

	dsi->mode_flags |= MIPI_DSI_MODE_LPM;

	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx,
				     MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx,
				     MIPI_DCS_SET_DISPLAY_BRIGHTNESS, 0x00,
				     0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x59, 0x09);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6c, 0x01);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6d, 0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x01);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x70, 0x12, 0x00, 0x00, 0xab,
				     0x30, 0x80, 0x09, 0x60, 0x04, 0x38, 0x00,
				     0x28, 0x02, 0x1c, 0x02, 0x1c, 0x02, 0x00,
				     0x02, 0x0e, 0x00, 0x20, 0x03, 0xdd, 0x00,
				     0x07, 0x00, 0x0c, 0x02, 0x77, 0x02, 0x8b,
				     0x18, 0x00, 0x10, 0xf0, 0x07, 0x10, 0x20,
				     0x00, 0x06, 0x0f, 0x0f, 0x33, 0x0e, 0x1c,
				     0x2a, 0x38, 0x46, 0x54, 0x62, 0x69, 0x70,
				     0x77, 0x79, 0x7b, 0x7d, 0x7e, 0x02, 0x02,
				     0x22, 0x00, 0x2a, 0x40, 0x2a, 0xbe, 0x3a,
				     0xfc, 0x3a, 0xfa, 0x3a, 0xf8, 0x3b, 0x38,
				     0x3b, 0x78, 0x3b, 0xb6, 0x4b, 0xb6, 0x4b,
				     0xf4, 0x4b, 0xf4, 0x6c, 0x34, 0x84, 0x74,
				     0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xaa, 0x10);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb1, 0x01, 0x38, 0x00, 0x14,
				     0x00, 0x1c, 0x00, 0x01, 0x66, 0x00, 0x14,
				     0x00, 0x14, 0x00, 0x01, 0x66, 0x00, 0x14,
				     0x05, 0xcc, 0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xaa, 0x13);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xce, 0x09, 0x11, 0x09, 0x11,
				     0x08, 0xc1, 0x07, 0xfa, 0x05, 0xa4, 0x00,
				     0x3c, 0x00, 0x34, 0x00, 0x24, 0x00, 0x0c,
				     0x00, 0x0c, 0x04, 0x00, 0x35);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xaa, 0x14);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb2, 0x03, 0x33);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb4, 0x00, 0x33, 0x00, 0x00,
				     0x00, 0x3e, 0x00, 0x00, 0x00, 0x3e, 0x00,
				     0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb5, 0x00, 0x09, 0x09, 0x09,
				     0x09, 0x09, 0x09, 0x06, 0x01);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb9, 0x00, 0x00, 0x08, 0x09,
				     0x09, 0x09);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbc, 0x10, 0x00, 0x00, 0x06,
				     0x11, 0x09, 0x3b, 0x09, 0x47, 0x09, 0x47,
				     0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbe, 0x10, 0x10, 0x00, 0x08,
				     0x22, 0x09, 0x19, 0x09, 0x25, 0x09, 0x25,
				     0x00);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x5a, 0x80);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x65, 0x14);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfa, 0x08, 0x08, 0x08);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x5a, 0x81);
	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x65, 0x05);

Annotation

Implementation Notes