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/*
* Copyright 2017 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "head.h"
static void
gf119_head_vblank_put(struct nvkm_head *head)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
const u32 hoff = head->id * 0x800;
nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000000);
}
static void
gf119_head_vblank_get(struct nvkm_head *head)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
const u32 hoff = head->id * 0x800;
nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001);
}
static void
gf119_head_rgclk(struct nvkm_head *head, int div)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
nvkm_mask(device, 0x612200 + (head->id * 0x800), 0x0000000f, div);
}
static void
gf119_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
const u32 hoff = (state == &head->asy) * 0x20000 + head->id * 0x300;
u32 data;
data = nvkm_rd32(device, 0x640414 + hoff);
state->vtotal = (data & 0xffff0000) >> 16;
state->htotal = (data & 0x0000ffff);
data = nvkm_rd32(device, 0x640418 + hoff);
state->vsynce = (data & 0xffff0000) >> 16;
state->hsynce = (data & 0x0000ffff);
data = nvkm_rd32(device, 0x64041c + hoff);
state->vblanke = (data & 0xffff0000) >> 16;
state->hblanke = (data & 0x0000ffff);
data = nvkm_rd32(device, 0x640420 + hoff);
state->vblanks = (data & 0xffff0000) >> 16;
state->hblanks = (data & 0x0000ffff);
state->hz = nvkm_rd32(device, 0x640450 + hoff);
data = nvkm_rd32(device, 0x640404 + hoff);
switch ((data & 0x000003c0) >> 6) {
case 6: state->or.depth = 30; break;
case 5: state->or.depth = 24; break;
case 2: state->or.depth = 18; break;
case 0: state->or.depth = 18; break; /*XXX: "default" */
default:
state->or.depth = 18;
WARN_ON(1);
break;
}
}
static const struct nvkm_head_func
gf119_head = {
.state = gf119_head_state,
.rgpos = nv50_head_rgpos,
.rgclk = gf119_head_rgclk,
.vblank_get = gf119_head_vblank_get,
.vblank_put = gf119_head_vblank_put,
};
int
gf119_head_new(struct nvkm_disp *disp, int id)
{
struct nvkm_device *device = disp->engine.subdev.device;
if (!(nvkm_rd32(device, 0x612004) & (0x00000001 << id)))
return 0;
return nvkm_head_new_(&gf119_head, disp, id);
}
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