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      1 /*	$NetBSD: nouveau_nvkm_engine_disp_hdagf119.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_hdagf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
     28 
     29 #include "ior.h"
     30 
     31 void
     32 gf119_hda_eld(struct nvkm_ior *ior, u8 *data, u8 size)
     33 {
     34 	struct nvkm_device *device = ior->disp->engine.subdev.device;
     35 	const u32 soff = 0x030 * ior->id;
     36 	int i;
     37 
     38 	for (i = 0; i < size; i++)
     39 		nvkm_wr32(device, 0x10ec00 + soff, (i << 8) | data[i]);
     40 	for (; i < 0x60; i++)
     41 		nvkm_wr32(device, 0x10ec00 + soff, (i << 8));
     42 	nvkm_mask(device, 0x10ec10 + soff, 0x80000002, 0x80000002);
     43 }
     44 
     45 void
     46 gf119_hda_hpd(struct nvkm_ior *ior, int head, bool present)
     47 {
     48 	struct nvkm_device *device = ior->disp->engine.subdev.device;
     49 	const u32 hoff = 0x800 * head;
     50 	u32 data = 0x80000000;
     51 	u32 mask = 0x80000001;
     52 	if (present) {
     53 		nvkm_mask(device, 0x616548 + hoff, 0x00000070, 0x00000000);
     54 		data |= 0x00000001;
     55 	} else {
     56 		mask |= 0x00000002;
     57 	}
     58 	nvkm_mask(device, 0x10ec10 + ior->id * 0x030, mask, data);
     59 }
     60