linux-phytium/drivers/gpu/drm/nouveau/dispnv50/ovly827e.c

/*
 * Copyright 2018 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "ovly.h"
#include "atom.h"

#include <nouveau_bo.h>

static void
ovly827e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 12))) {
		evo_mthd(push, 0x0084, 1);
		evo_data(push, asyw->image.interval << 4);
		evo_mthd(push, 0x00c0, 1);
		evo_data(push, asyw->image.handle[0]);
		evo_mthd(push, 0x0100, 1);
		evo_data(push, 0x00000002);
		evo_mthd(push, 0x0800, 1);
		evo_data(push, asyw->image.offset[0] >> 8);
		evo_mthd(push, 0x0808, 3);
		evo_data(push, asyw->image.h << 16 | asyw->image.w);
		evo_data(push, asyw->image.layout << 20 |
			       (asyw->image.pitch[0] >> 8) << 8 |
			       asyw->image.blocks[0] << 8 |
			       asyw->image.blockh);
		evo_data(push, asyw->image.format << 8 |
			       asyw->image.colorspace);
		evo_kick(push, &wndw->wndw);
	}
}

int
ovly827e_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
			 struct nvif_device *device)
{
	s64 time = nvif_msec(device, 2000ULL,
		u32 data = nouveau_bo_rd32(bo, offset / 4 + 3);
		if ((data & 0xffff0000) == 0xffff0000)
			break;
		usleep_range(1, 2);
	);
	return time < 0 ? time : 0;
}

void
ovly827e_ntfy_reset(struct nouveau_bo *bo, u32 offset)
{
	nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
	nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
	nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
	nouveau_bo_wr32(bo, offset / 4 + 3, 0x80000000);
}

static const struct nv50_wndw_func
ovly827e = {
	.acquire = ovly507e_acquire,
	.release = ovly507e_release,
	.ntfy_set = ovly507e_ntfy_set,
	.ntfy_clr = ovly507e_ntfy_clr,
	.ntfy_reset = ovly827e_ntfy_reset,
	.ntfy_wait_begun = ovly827e_ntfy_wait_begun,
	.image_set = ovly827e_image_set,
	.image_clr = ovly507e_image_clr,
	.scale_set = ovly507e_scale_set,
	.update = ovly507e_update,
};

const u32
ovly827e_format[] = {
	DRM_FORMAT_YUYV,
	DRM_FORMAT_UYVY,
	DRM_FORMAT_XRGB8888,
	DRM_FORMAT_ARGB8888,
	DRM_FORMAT_XRGB1555,
	DRM_FORMAT_ARGB1555,
	DRM_FORMAT_XBGR2101010,
	DRM_FORMAT_ABGR2101010,
	0
};

int
ovly827e_new(struct nouveau_drm *drm, int head, s32 oclass,
	     struct nv50_wndw **pwndw)
{
	return ovly507e_new_(&ovly827e, ovly827e_format, drm, head, oclass,
			     0x00000004 << (head * 8), pwndw);
}