drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c
Extension
.c
Size
2146 bytes
Lines
61
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"

static const struct nvkm_intr_data
nv50_mc_intrs[] = {
	{ NVKM_ENGINE_DISP , 0, 0, 0x04000000, true },
	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100 },
	{ NVKM_ENGINE_MPEG , 0, 0, 0x00000001, true },
	{ NVKM_SUBDEV_FB   , 0, 0, 0x00001101, true },
	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
	{ NVKM_SUBDEV_GPIO , 0, 0, 0x00200000, true },
	{ NVKM_SUBDEV_I2C  , 0, 0, 0x00200000, true },
	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
	{},
};

void
nv50_mc_init(struct nvkm_mc *mc)
{
	struct nvkm_device *device = mc->subdev.device;
	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything on */
}

static const struct nvkm_mc_func
nv50_mc = {
	.init = nv50_mc_init,
	.intr = &nv04_mc_intr,
	.intrs = nv50_mc_intrs,
	.device = &nv04_mc_device,
	.reset = nv17_mc_reset,
};

int
nv50_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
{
	return nvkm_mc_new_(&nv50_mc, device, type, inst, pmc);
}

Annotation

Implementation Notes