drivers/gpu/drm/panel/panel-novatek-nt36672e.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panel/panel-novatek-nt36672e.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panel/panel-novatek-nt36672e.c
Extension
.c
Size
22086 bytes
Lines
609
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 panel_desc {
	const struct drm_display_mode *display_mode;
	u32 width_mm;
	u32 height_mm;
	unsigned long mode_flags;
	enum mipi_dsi_pixel_format format;
	unsigned int lanes;
	const char *panel_name;
	void (*init_sequence)(struct mipi_dsi_multi_context *ctx);
};

struct nt36672e_panel {
	struct drm_panel panel;
	struct mipi_dsi_device *dsi;
	struct gpio_desc *reset_gpio;
	struct regulator_bulk_data supplies[3];
	const struct panel_desc *desc;
};

#define NT36672E_DCS_SWITCH_PAGE	0xff

#define nt36672e_switch_page(ctx, page) \
	mipi_dsi_dcs_write_seq_multi(ctx, NT36672E_DCS_SWITCH_PAGE, (page))

static void nt36672e_enable_reload_cmds(struct mipi_dsi_multi_context *ctx)
{
	mipi_dsi_dcs_write_seq_multi(ctx, 0xfb, 0x01);
}

static inline struct nt36672e_panel *to_nt36672e_panel(struct drm_panel *panel)
{
	return container_of(panel, struct nt36672e_panel, panel);
}

static void nt36672e_1080x2408_60hz_init(struct mipi_dsi_multi_context *ctx)
{
	nt36672e_switch_page(ctx, 0x10);
	nt36672e_enable_reload_cmds(ctx);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xb0, 0x00);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xc0, 0x00);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xc1, 0x89, 0x28, 0x00, 0x08, 0x00, 0xaa, 0x02,
				     0x0e, 0x00, 0x2b, 0x00, 0x07, 0x0d, 0xb7, 0x0c, 0xb7);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xc2, 0x1b, 0xa0);

	nt36672e_switch_page(ctx, 0x20);
	nt36672e_enable_reload_cmds(ctx);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x66);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x06, 0x40);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x07, 0x38);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x2f, 0x83);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x69, 0x91);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x95, 0xd1);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x96, 0xd1);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf2, 0x64);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf3, 0x54);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf4, 0x64);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf5, 0x54);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf6, 0x64);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf7, 0x54);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf8, 0x64);
	mipi_dsi_dcs_write_seq_multi(ctx, 0xf9, 0x54);

	nt36672e_switch_page(ctx, 0x24);
	nt36672e_enable_reload_cmds(ctx);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x0f);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x03, 0x0c);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x05, 0x1d);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x08, 0x2f);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x09, 0x2e);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x0a, 0x2d);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x0b, 0x2c);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x11, 0x17);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x12, 0x13);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x13, 0x15);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x15, 0x14);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x16, 0x16);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x17, 0x18);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x1b, 0x01);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x1d, 0x1d);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x20, 0x2f);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x2e);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x22, 0x2d);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x23, 0x2c);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x29, 0x17);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x2a, 0x13);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x2b, 0x15);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x2f, 0x14);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x30, 0x16);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x31, 0x18);
	mipi_dsi_dcs_write_seq_multi(ctx, 0x32, 0x04);

Annotation

Implementation Notes