drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
Extension
.c
Size
8971 bytes
Lines
308
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 tm5p5_nt35596 {
	struct drm_panel panel;
	struct mipi_dsi_device *dsi;
	struct regulator_bulk_data supplies[2];
	struct gpio_desc *reset_gpio;
};

static inline struct tm5p5_nt35596 *to_tm5p5_nt35596(struct drm_panel *panel)
{
	return container_of(panel, struct tm5p5_nt35596, panel);
}

static void tm5p5_nt35596_reset(struct tm5p5_nt35596 *ctx)
{
	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
	usleep_range(1000, 2000);
	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
	usleep_range(1000, 2000);
	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
	usleep_range(15000, 16000);
}

static void tm5p5_nt35596_on(struct mipi_dsi_multi_context *dsi_ctx)
{
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xff, 0x05);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfb, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xc5, 0x31);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xff, 0x04);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x01, 0x84);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x05, 0x25);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x06, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x07, 0x20);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x08, 0x06);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x09, 0x08);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0a, 0x10);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0b, 0x10);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0c, 0x10);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0d, 0x14);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0e, 0x14);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0f, 0x14);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x10, 0x14);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x11, 0x14);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x12, 0x14);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x17, 0xf3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x18, 0xc0);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x19, 0xc0);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1a, 0xc0);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1b, 0xb3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1c, 0xb3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1d, 0xb3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1e, 0xb3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1f, 0xb3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x20, 0xb3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfb, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xff, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfb, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x35, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd3, 0x06);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd4, 0x04);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x5e, 0x0d);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x11, 0x00);

	mipi_dsi_msleep(dsi_ctx, 100);

	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x29, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x53, 0x24);
}

static void tm5p5_nt35596_off(struct mipi_dsi_multi_context *dsi_ctx)
{
	mipi_dsi_dcs_set_display_off_multi(dsi_ctx);

	mipi_dsi_msleep(dsi_ctx, 60);

	mipi_dsi_dcs_enter_sleep_mode_multi(dsi_ctx);

	mipi_dsi_dcs_write_seq_multi(dsi_ctx, 0x4f, 0x01);
}

static int tm5p5_nt35596_prepare(struct drm_panel *panel)
{
	struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);
	struct mipi_dsi_multi_context dsi_ctx =	{.dsi = ctx->dsi};

	dsi_ctx.accum_err = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
	if (dsi_ctx.accum_err)
		return dsi_ctx.accum_err;

	tm5p5_nt35596_reset(ctx);

Annotation

Implementation Notes