drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
Extension
.c
Size
130605 bytes
Lines
3456
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

if (chipset >= 0x10) {
			override_boot0  = ((chipset & 0x1ff) << 20);
			override_boot0 |= 0x000000a1;
		} else {
			if (chipset != 0x04)
				override_boot0 = 0x20104000;
			else
				override_boot0 = 0x20004000;
		}

		nvdev_warn(device, "CHIPSET OVERRIDE: %08x -> %08x\n",
			   boot0, override_boot0);
		boot0 = override_boot0;
	}

	/* determine chipset and derive architecture from it */
	if ((boot0 & 0x1f000000) > 0) {
		device->chipset = (boot0 & 0x1ff00000) >> 20;
		device->chiprev = (boot0 & 0x000000ff);
		switch (device->chipset & 0x1f0) {
		case 0x010: {
			if (0x461 & (1 << (device->chipset & 0xf)))
				device->card_type = NV_10;
			else
				device->card_type = NV_11;
			device->chiprev = 0x00;
			break;
		}
		case 0x020: device->card_type = NV_20; break;
		case 0x030: device->card_type = NV_30; break;
		case 0x040:
		case 0x060: device->card_type = NV_40; break;
		case 0x050:
		case 0x080:
		case 0x090:
		case 0x0a0: device->card_type = NV_50; break;
		case 0x0c0:
		case 0x0d0: device->card_type = NV_C0; break;
		case 0x0e0:
		case 0x0f0:
		case 0x100: device->card_type = NV_E0; break;
		case 0x110:
		case 0x120: device->card_type = GM100; break;
		case 0x130: device->card_type = GP100; break;
		case 0x140: device->card_type = GV100; break;
		case 0x160: device->card_type = TU100; break;
		case 0x170: device->card_type = GA100; break;
		case 0x180: device->card_type = GH100; break;
		case 0x190: device->card_type = AD100; break;
		case 0x1a0: device->card_type = GB10x; break;
		case 0x1b0: device->card_type = GB20x; break;
		default:
			break;
		}
	} else
	if ((boot0 & 0xff00fff0) == 0x20004000) {
		if (boot0 & 0x00f00000)
			device->chipset = 0x05;
		else
			device->chipset = 0x04;
		device->card_type = NV_04;
	}

	switch (device->chipset) {
	case 0x004: device->chip = &nv4_chipset; break;
	case 0x005: device->chip = &nv5_chipset; break;
	case 0x010: device->chip = &nv10_chipset; break;
	case 0x011: device->chip = &nv11_chipset; break;
	case 0x015: device->chip = &nv15_chipset; break;
	case 0x017: device->chip = &nv17_chipset; break;
	case 0x018: device->chip = &nv18_chipset; break;
	case 0x01a: device->chip = &nv1a_chipset; break;
	case 0x01f: device->chip = &nv1f_chipset; break;
	case 0x020: device->chip = &nv20_chipset; break;
	case 0x025: device->chip = &nv25_chipset; break;
	case 0x028: device->chip = &nv28_chipset; break;
	case 0x02a: device->chip = &nv2a_chipset; break;
	case 0x030: device->chip = &nv30_chipset; break;
	case 0x031: device->chip = &nv31_chipset; break;
	case 0x034: device->chip = &nv34_chipset; break;
	case 0x035: device->chip = &nv35_chipset; break;
	case 0x036: device->chip = &nv36_chipset; break;
	case 0x040: device->chip = &nv40_chipset; break;
	case 0x041: device->chip = &nv41_chipset; break;
	case 0x042: device->chip = &nv42_chipset; break;
	case 0x043: device->chip = &nv43_chipset; break;
	case 0x044: device->chip = &nv44_chipset; break;
	case 0x045: device->chip = &nv45_chipset; break;
	case 0x046: device->chip = &nv46_chipset; break;
	case 0x047: device->chip = &nv47_chipset; break;

Annotation

Implementation Notes