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      1 /*	$NetBSD: nouveau_nvkm_engine_disp_changf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2012 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  * Authors: Ben Skeggs
     25  */
     26 #include <sys/cdefs.h>
     27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_changf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
     28 
     29 #include "channv50.h"
     30 
     31 static void
     32 gf119_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
     33 {
     34 	struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
     35 	struct nvkm_device *device = disp->base.engine.subdev.device;
     36 	nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000000 << index);
     37 	nvkm_wr32(device, 0x61008c, 0x00000001 << index);
     38 }
     39 
     40 static void
     41 gf119_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
     42 {
     43 	struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
     44 	struct nvkm_device *device = disp->base.engine.subdev.device;
     45 	nvkm_wr32(device, 0x61008c, 0x00000001 << index);
     46 	nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000001 << index);
     47 }
     48 
     49 const struct nvkm_event_func
     50 gf119_disp_chan_uevent = {
     51 	.ctor = nv50_disp_chan_uevent_ctor,
     52 	.init = gf119_disp_chan_uevent_init,
     53 	.fini = gf119_disp_chan_uevent_fini,
     54 };
     55 
     56 void
     57 gf119_disp_chan_intr(struct nv50_disp_chan *chan, bool en)
     58 {
     59 	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
     60 	const u32 mask = 0x00000001 << chan->chid.user;
     61 	if (!en) {
     62 		nvkm_mask(device, 0x610090, mask, 0x00000000);
     63 		nvkm_mask(device, 0x6100a0, mask, 0x00000000);
     64 	} else {
     65 		nvkm_mask(device, 0x6100a0, mask, mask);
     66 	}
     67 }
     68