drivers/gpu/drm/nouveau/dispnv50/corec57d.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 "core.h"
#include "head.h"

#include <nvif/pushc37b.h>

#include <nvhw/class/clc57d.h>

static int
corec57d_init(struct nv50_core *core)
{
	struct nvif_push *push = core->chan.push;
	const u32 windows = 8; /*XXX*/
	int ret, i;

	if ((ret = PUSH_WAIT(push, 2 + windows * 5)))
		return ret;

	PUSH_MTHD(push, NVC57D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);

	for (i = 0; i < windows; i++) {
		PUSH_MTHD(push, NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS(i),
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED1BPP, TRUE) |
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED2BPP, TRUE) |
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED4BPP, TRUE) |
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED8BPP, TRUE),

					WINDOW_SET_WINDOW_ROTATED_FORMAT_USAGE_BOUNDS(i), 0x00000000);

		PUSH_MTHD(push, NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS(i),
			  NVVAL(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, MAX_PIXELS_FETCHED_PER_LINE, 0x7fff) |
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, ILUT_ALLOWED, TRUE) |
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, INPUT_SCALER_TAPS, TAPS_2) |
			  NVDEF(NVC57D, WINDOW_SET_WINDOW_USAGE_BOUNDS, UPSCALING_ALLOWED, FALSE));
	}

	core->assign_windows = true;
	return PUSH_KICK(push);
}

static const struct nv50_core_func
corec57d = {
	.init = corec57d_init,
	.ntfy_init = corec37d_ntfy_init,
	.caps_init = corec37d_caps_init,
	.ntfy_wait_done = corec37d_ntfy_wait_done,
	.update = corec37d_update,
	.wndw.owner = corec37d_wndw_owner,
	.head = &headc57d,
	.sor = &sorc37d,
#if IS_ENABLED(CONFIG_DEBUG_FS)
	.crc = &crcc37d,
#endif
};

int
corec57d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
{
	return core507d_new_(&corec57d, drm, oclass, pcore);
}