drivers/gpu/drm/panel/panel-raydium-rm692e5.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panel/panel-raydium-rm692e5.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panel/panel-raydium-rm692e5.c
Extension
.c
Size
11455 bytes
Lines
374
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 rm692e5_panel {
	struct drm_panel panel;
	struct mipi_dsi_device *dsi;
	struct drm_dsc_config dsc;
	struct regulator_bulk_data supplies[3];
	struct gpio_desc *reset_gpio;
};

static inline struct rm692e5_panel *to_rm692e5_panel(struct drm_panel *panel)
{
	return container_of(panel, struct rm692e5_panel, panel);
}

static void rm692e5_reset(struct rm692e5_panel *ctx)
{
	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
	usleep_range(10000, 11000);
	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
	usleep_range(5000, 6000);
	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
	usleep_range(10000, 11000);
}

static void rm692e5_on(struct mipi_dsi_multi_context *dsi_ctx)
{
	dsi_ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;

	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0x41);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd6, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0x16);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x8a, 0x87);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0x71);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x82, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xc6, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xc7, 0x2c);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xc8, 0x64);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xc9, 0x3c);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xca, 0x80);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xcb, 0x02);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xcc, 0x02);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0x38);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x18, 0x13);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0xf4);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x00, 0xff);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x01, 0xff);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x02, 0xcf);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x03, 0xbc);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x04, 0xb9);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x05, 0x99);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x06, 0x02);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x07, 0x0a);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x08, 0xe0);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x09, 0x4c);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0a, 0xeb);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0b, 0xe8);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0c, 0x32);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0d, 0x07);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0xf4);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0d, 0xc0);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0e, 0xff);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x0f, 0xff);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x10, 0x33);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x11, 0x6f);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x12, 0x6e);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x13, 0xa6);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x14, 0x80);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x15, 0x02);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x16, 0x38);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x17, 0xd3);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x18, 0x3a);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x19, 0xba);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1a, 0xcc);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1b, 0x01);

	mipi_dsi_dcs_nop_multi(dsi_ctx);

	mipi_dsi_msleep(dsi_ctx, 32);

	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0x38);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x18, 0x13);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0xd1);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd3, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd0, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd2, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xd4, 0x00);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xb4, 0x01);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0xfe, 0xf9);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x00, 0xaf);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x1d, 0x37);
	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x44, 0x0a, 0x7b);

Annotation

Implementation Notes