/*
 * Copyright 2021 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 "priv.h"
#include "chan.h"
#include "head.h"
#include "ior.h"

#include <subdev/gsp.h>
#include <subdev/timer.h>

#include <nvif/class.h>

static int
ga102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
{
	struct nvkm_device *device = sor->disp->engine.subdev.device;
	const u32 soff = nv50_ior_base(sor);
	const u32 loff = nv50_sor_link(sor);
	u32 dpctrl = 0x00000000;
	u32 clksor = 0x00000000;

	switch (sor->dp.bw) {
	case 0x06: clksor |= 0x00000000; break;
	case 0x0a: clksor |= 0x00040000; break;
	case 0x14: clksor |= 0x00080000; break;
	case 0x1e: clksor |= 0x000c0000; break;
	case 0x08: clksor |= 0x00100000; break;
	case 0x09: clksor |= 0x00140000; break;
	case 0x0c: clksor |= 0x00180000; break;
	case 0x10: clksor |= 0x001c0000; break;
	default:
		WARN_ON(1);
		return -EINVAL;
	}

	dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
	if (sor->dp.mst)
		dpctrl |= 0x40000000;
	if (sor->dp.ef)
		dpctrl |= 0x00004000;

	nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);

	/*XXX*/
	nvkm_msec(device, 40, NVKM_DELAY);
	nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
	nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);

	nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
	return 0;
}

static const struct nvkm_ior_func_dp
ga102_sor_dp = {
	.lanes = { 0, 1, 2, 3 },
	.links = ga102_sor_dp_links,
	.power = g94_sor_dp_power,
	.pattern = gm107_sor_dp_pattern,
	.drive = gm200_sor_dp_drive,
	.vcpi = tu102_sor_dp_vcpi,
	.audio = gv100_sor_dp_audio,
	.audio_sym = gv100_sor_dp_audio_sym,
	.watermark = gv100_sor_dp_watermark,
};

static void
ga102_sor_clock(struct nvkm_ior *sor)
{
	struct nvkm_device *device = sor->disp->engine.subdev.device;
	u32 div2 = 0;

	if (sor->asy.proto == TMDS) {
		if (sor->tmds.high_speed)
			div2 = 1;
	}

	nvkm_wr32(device, 0x00ec08 + (sor->id * 0x10), 0x00000000);
	nvkm_wr32(device, 0x00ec04 + (sor->id * 0x10), div2);
}

static const struct nvkm_ior_func
ga102_sor = {
	.route = {
		.get = gm200_sor_route_get,
		.set = gm200_sor_route_set,
	},
	.state = gv100_sor_state,
	.power = nv50_sor_power,
	.clock = ga102_sor_clock,
	.bl = &gt215_sor_bl,
	.hdmi = &gv100_sor_hdmi,
	.dp = &ga102_sor_dp,
	.hda = &gv100_sor_hda,
};

static int
ga102_sor_new(struct nvkm_disp *disp, int id)
{
	struct nvkm_device *device = disp->engine.subdev.device;
	u32 hda = nvkm_rd32(device, 0x08a15c);

	return nvkm_ior_new_(&ga102_sor, disp, SOR, id, hda & BIT(id));
}

static const struct nvkm_disp_func
ga102_disp = {
	.oneinit = nv50_disp_oneinit,
	.init = tu102_disp_init,
	.fini = gv100_disp_fini,
	.intr = gv100_disp_intr,
	.super = gv100_disp_super,
	.uevent = &gv100_disp_chan_uevent,
	.wndw = { .cnt = gv100_disp_wndw_cnt },
	.head = { .cnt = gv100_head_cnt, .new = gv100_head_new },
	.sor = { .cnt = gv100_sor_cnt, .new = ga102_sor_new },
	.ramht_size = 0x2000,
	.root = {  0, 0,GA102_DISP },
	.user = {
		{{-1,-1,GV100_DISP_CAPS                  }, gv100_disp_caps_new },
		{{ 0, 0,GA102_DISP_CURSOR                }, nvkm_disp_chan_new, &gv100_disp_curs },
		{{ 0, 0,GA102_DISP_WINDOW_IMM_CHANNEL_DMA}, nvkm_disp_wndw_new, &gv100_disp_wimm },
		{{ 0, 0,GA102_DISP_CORE_CHANNEL_DMA      }, nvkm_disp_core_new, &gv100_disp_core },
		{{ 0, 0,GA102_DISP_WINDOW_CHANNEL_DMA    }, nvkm_disp_wndw_new, &gv100_disp_wndw },
		{}
	},
};

int
ga102_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
	       struct nvkm_disp **pdisp)
{
	if (nvkm_gsp_rm(device->gsp))
		return r535_disp_new(&ga102_disp, device, type, inst, pdisp);

	return nvkm_disp_new_(&ga102_disp, device, type, inst, pdisp);
}
