100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/*
|
|
* 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);
|
|
}
|