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      1 /*	$NetBSD: nouveau_nvkm_engine_disp_sorgt215.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2017 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_nvkm_engine_disp_sorgt215.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
     26 
     27 #include "ior.h"
     28 
     29 #include <subdev/timer.h>
     30 
     31 void
     32 gt215_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
     33 {
     34 	struct nvkm_device *device = sor->disp->engine.subdev.device;
     35 	const u32 soff = nv50_ior_base(sor);
     36 	const u32 data = 0x80000000 | (0x00000001 * enable);
     37 	const u32 mask = 0x8000000d;
     38 	nvkm_mask(device, 0x61c1e0 + soff, mask, data);
     39 	nvkm_msec(device, 2000,
     40 		if (!(nvkm_rd32(device, 0x61c1e0 + soff) & 0x80000000))
     41 			break;
     42 	);
     43 }
     44 
     45 static const struct nvkm_ior_func
     46 gt215_sor = {
     47 	.state = g94_sor_state,
     48 	.power = nv50_sor_power,
     49 	.clock = nv50_sor_clock,
     50 	.hdmi = {
     51 		.ctrl = gt215_hdmi_ctrl,
     52 	},
     53 	.dp = {
     54 		.lanes = { 2, 1, 0, 3 },
     55 		.links = g94_sor_dp_links,
     56 		.power = g94_sor_dp_power,
     57 		.pattern = g94_sor_dp_pattern,
     58 		.drive = g94_sor_dp_drive,
     59 		.audio = gt215_sor_dp_audio,
     60 		.audio_sym = g94_sor_dp_audio_sym,
     61 		.activesym = g94_sor_dp_activesym,
     62 		.watermark = g94_sor_dp_watermark,
     63 	},
     64 	.hda = {
     65 		.hpd = gt215_hda_hpd,
     66 		.eld = gt215_hda_eld,
     67 	},
     68 };
     69 
     70 int
     71 gt215_sor_new(struct nvkm_disp *disp, int id)
     72 {
     73 	return nvkm_ior_new_(&gt215_sor, disp, SOR, id);
     74 }
     75