drivers/gpu/drm/nouveau/nvkm/subdev/vfn/ga100.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/ga100.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/subdev/vfn/ga100.c
Extension
.c
Size
1918 bytes
Lines
53
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

#include "priv.h"

#include <subdev/gsp.h>

#include <nvif/class.h>

static const struct nvkm_intr_data
ga100_vfn_intrs[] = {
	{ NVKM_ENGINE_DISP    , 0, 4, 0x04000000, true },
	{ NVKM_SUBDEV_GPIO    , 0, 4, 0x00200000, true },
	{ NVKM_SUBDEV_I2C     , 0, 4, 0x00200000, true },
	{ NVKM_SUBDEV_PRIVRING, 0, 4, 0x40000000, true },
	{}
};

static const struct nvkm_vfn_func
ga100_vfn = {
	.intr = &tu102_vfn_intr,
	.intrs = ga100_vfn_intrs,
	.user = { 0x030000, 0x010000, { -1, -1, AMPERE_USERMODE_A } },
};

int
ga100_vfn_new(struct nvkm_device *device,
	      enum nvkm_subdev_type type, int inst, struct nvkm_vfn **pvfn)
{
	if (nvkm_gsp_rm(device->gsp))
		return r535_vfn_new(&ga100_vfn, device, type, inst, 0xb80000, pvfn);

	return nvkm_vfn_new_(&ga100_vfn, device, type, inst, 0xb80000, pvfn);
}

Annotation

Implementation Notes