drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c
Extension
.c
Size
2408 bytes
Lines
68
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_mc_map
g84_mc_reset[] = {
	{ 0x04008000, NVKM_ENGINE_BSP },
	{ 0x02004000, NVKM_ENGINE_CIPHER },
	{ 0x01020000, NVKM_ENGINE_VP },
	{ 0x00400002, NVKM_ENGINE_MPEG },
	{ 0x00201000, NVKM_ENGINE_GR },
	{ 0x00000100, NVKM_ENGINE_FIFO },
	{}
};

static const struct nvkm_intr_data
g84_mc_intrs[] = {
	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
	{ NVKM_ENGINE_VP    , 0, 0, 0x00020000, true },
	{ NVKM_ENGINE_BSP   , 0, 0, 0x00008000, true },
	{ NVKM_ENGINE_CIPHER, 0, 0, 0x00004000, 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, 0x0002d101, 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 },
	{},
};

static const struct nvkm_mc_func
g84_mc = {
	.init = nv50_mc_init,
	.intr = &nv04_mc_intr,
	.intrs = g84_mc_intrs,
	.device = &nv04_mc_device,
	.reset = g84_mc_reset,
};

int
g84_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
{
	return nvkm_mc_new_(&g84_mc, device, type, inst, pmc);
}

Annotation

Implementation Notes