drivers/gpu/drm/nouveau/dispnv50/ovly907e.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/dispnv50/ovly907e.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/dispnv50/ovly907e.c
Extension
.c
Size
3292 bytes
Lines
97
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 "ovly.h"
#include "atom.h"

#include <nvif/push507c.h>

#include <nvhw/class/cl907e.h>

static int
ovly907e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
	struct nvif_push *push = &wndw->wndw.push;
	int ret;

	if ((ret = PUSH_WAIT(push, 12)))
		return ret;

	PUSH_MTHD(push, NV907E, SET_PRESENT_CONTROL,
		  NVDEF(NV907E, SET_PRESENT_CONTROL, BEGIN_MODE, ASAP) |
		  NVVAL(NV907E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval));

	PUSH_MTHD(push, NV907E, SET_CONTEXT_DMA_ISO, asyw->image.handle[0]);

	PUSH_MTHD(push, NV907E, SET_COMPOSITION_CONTROL,
		  NVDEF(NV907E, SET_COMPOSITION_CONTROL, MODE, OPAQUE));

	PUSH_MTHD(push, NV907E, SURFACE_SET_OFFSET, asyw->image.offset[0] >> 8);

	PUSH_MTHD(push, NV907E, SURFACE_SET_SIZE,
		  NVVAL(NV907E, SURFACE_SET_SIZE, WIDTH, asyw->image.w) |
		  NVVAL(NV907E, SURFACE_SET_SIZE, HEIGHT, asyw->image.h),

				SURFACE_SET_STORAGE,
		  NVVAL(NV907E, SURFACE_SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
		  NVVAL(NV907E, SURFACE_SET_STORAGE, PITCH, (asyw->image.pitch[0] >> 8)) |
		  NVVAL(NV907E, SURFACE_SET_STORAGE, PITCH, asyw->image.blocks[0]) |
		  NVVAL(NV907E, SURFACE_SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),

				SURFACE_SET_PARAMS,
		  NVVAL(NV907E, SURFACE_SET_PARAMS, FORMAT, asyw->image.format) |
		  NVVAL(NV907E, SURFACE_SET_PARAMS, COLOR_SPACE, asyw->image.colorspace));
	return 0;
}

const struct nv50_wndw_func
ovly907e = {
	.acquire = ovly507e_acquire,
	.release = ovly507e_release,
	.ntfy_set = base507c_ntfy_set,
	.ntfy_clr = base507c_ntfy_clr,
	.ntfy_reset = ovly827e_ntfy_reset,
	.ntfy_wait_begun = ovly827e_ntfy_wait_begun,
	.image_set = ovly907e_image_set,
	.image_clr = base507c_image_clr,
	.scale_set = ovly507e_scale_set,
	.update = base507c_update,
};

static const u32
ovly907e_format[] = {
	DRM_FORMAT_YUYV,
	DRM_FORMAT_UYVY,
	DRM_FORMAT_XRGB8888,
	DRM_FORMAT_XRGB1555,
	DRM_FORMAT_XBGR2101010,
	DRM_FORMAT_XBGR16161616F,
	0
};

int
ovly907e_new(struct nouveau_drm *drm, int head, s32 oclass,
	     struct nv50_wndw **pwndw)
{
	return ovly507e_new_(&ovly907e, ovly907e_format, drm, head, oclass,
			     0x00000004 << (head * 4), pwndw);
}

Annotation

Implementation Notes