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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
nv50_head_vblank_put(struct nvkm_head *head)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
nvkm_mask(device, 0x61002c, (4 << head->id), 0);
}
static void
nv50_head_vblank_get(struct nvkm_head *head)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
nvkm_mask(device, 0x61002c, (4 << head->id), (4 << head->id));
}
static void
nv50_head_rgclk(struct nvkm_head *head, int div)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
nvkm_mask(device, 0x614200 + (head->id * 0x800), 0x0000000f, div);
}
void
nv50_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
const u32 hoff = head->id * 0x800;
/* vline read locks hline. */
*vline = nvkm_rd32(device, 0x616340 + hoff) & 0x0000ffff;
*hline = nvkm_rd32(device, 0x616344 + hoff) & 0x0000ffff;
}
static void
nv50_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
const u32 hoff = head->id * 0x540 + (state == &head->arm) * 4;
u32 data;
data = nvkm_rd32(device, 0x610ae8 + hoff);
state->vblanke = (data & 0xffff0000) >> 16;
state->hblanke = (data & 0x0000ffff);
data = nvkm_rd32(device, 0x610af0 + hoff);
state->vblanks = (data & 0xffff0000) >> 16;
state->hblanks = (data & 0x0000ffff);
data = nvkm_rd32(device, 0x610af8 + hoff);
state->vtotal = (data & 0xffff0000) >> 16;
state->htotal = (data & 0x0000ffff);
data = nvkm_rd32(device, 0x610b00 + hoff);
state->vsynce = (data & 0xffff0000) >> 16;
state->hsynce = (data & 0x0000ffff);
state->hz = (nvkm_rd32(device, 0x610ad0 + hoff) & 0x003fffff) * 1000;
}
static const struct nvkm_head_func
nv50_head = {
.state = nv50_head_state,
.rgpos = nv50_head_rgpos,
.rgclk = nv50_head_rgclk,
.vblank_get = nv50_head_vblank_get,
.vblank_put = nv50_head_vblank_put,
};
int
nv50_head_new(struct nvkm_disp *disp, int id)
{
return nvkm_head_new_(&nv50_head, disp, id);
}
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