drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_translate_dcn10.c
Extension
.c
Size
10326 bytes
Lines
410
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

switch (mask) {
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK:
			*en = GPIO_GENERIC_A;
			return true;
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK:
			*en = GPIO_GENERIC_B;
			return true;
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK:
			*en = GPIO_GENERIC_C;
			return true;
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK:
			*en = GPIO_GENERIC_D;
			return true;
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK:
			*en = GPIO_GENERIC_E;
			return true;
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK:
			*en = GPIO_GENERIC_F;
			return true;
		case DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK:
			*en = GPIO_GENERIC_G;
			return true;
		default:
			ASSERT_CRITICAL(false);
			return false;
		}
	break;
	/* HPD */
	case REG(DC_GPIO_HPD_A):
		*id = GPIO_ID_HPD;
		switch (mask) {
		case DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK:
			*en = GPIO_HPD_1;
			return true;
		case DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK:
			*en = GPIO_HPD_2;
			return true;
		case DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK:
			*en = GPIO_HPD_3;
			return true;
		case DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK:
			*en = GPIO_HPD_4;
			return true;
		case DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK:
			*en = GPIO_HPD_5;
			return true;
		case DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK:
			*en = GPIO_HPD_6;
			return true;
		default:
			ASSERT_CRITICAL(false);
			return false;
		}
	break;
	/* SYNCA */
	case REG(DC_GPIO_SYNCA_A):
		*id = GPIO_ID_SYNC;
		switch (mask) {
		case DC_GPIO_SYNCA_A__DC_GPIO_HSYNCA_A_MASK:
			*en = GPIO_SYNC_HSYNC_A;
			return true;
		case DC_GPIO_SYNCA_A__DC_GPIO_VSYNCA_A_MASK:
			*en = GPIO_SYNC_VSYNC_A;
			return true;
		default:
			ASSERT_CRITICAL(false);
			return false;
		}
	break;
	/* REG(DC_GPIO_GENLK_MASK */
	case REG(DC_GPIO_GENLK_A):
		*id = GPIO_ID_GSL;
		switch (mask) {
		case DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK:
			*en = GPIO_GSL_GENLOCK_CLOCK;
			return true;
		case DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK:
			*en = GPIO_GSL_GENLOCK_VSYNC;
			return true;
		case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK:
			*en = GPIO_GSL_SWAPLOCK_A;
			return true;
		case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK:
			*en = GPIO_GSL_SWAPLOCK_B;
			return true;
		default:
			ASSERT_CRITICAL(false);
			return false;
		}
	break;

Annotation

Implementation Notes