Home | History | Annotate | Line # | Download | only in dispnv50 
      1 /*	$NetBSD: nouveau_dispnv50_ovly.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2018 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_ovly.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
     26 
     27 #include "ovly.h"
     28 #include "oimm.h"
     29 
     30 #include <nvif/class.h>
     31 
     32 int
     33 nv50_ovly_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
     34 {
     35 	static const struct {
     36 		s32 oclass;
     37 		int version;
     38 		int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
     39 	} ovlys[] = {
     40 		{ GK104_DISP_OVERLAY_CONTROL_DMA, 0, ovly917e_new },
     41 		{ GF110_DISP_OVERLAY_CONTROL_DMA, 0, ovly907e_new },
     42 		{ GT214_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
     43 		{ GT200_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
     44 		{   G82_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
     45 		{  NV50_DISP_OVERLAY_CHANNEL_DMA, 0, ovly507e_new },
     46 		{}
     47 	};
     48 	struct nv50_disp *disp = nv50_disp(drm->dev);
     49 	int cid, ret;
     50 
     51 	cid = nvif_mclass(&disp->disp->object, ovlys);
     52 	if (cid < 0) {
     53 		NV_ERROR(drm, "No supported overlay class\n");
     54 		return cid;
     55 	}
     56 
     57 	ret = ovlys[cid].new(drm, head, ovlys[cid].oclass, pwndw);
     58 	if (ret)
     59 		return ret;
     60 
     61 	return nv50_oimm_init(drm, *pwndw);
     62 }
     63