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/*
* Copyright 2012 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
*/
#include "priv.h"
#include "head.h"
#include <nvif/class.h>
static void
nv04_head_vblank_put(struct nvkm_head *head)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000000);
}
static void
nv04_head_vblank_get(struct nvkm_head *head)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000001);
}
static void
nv04_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline)
{
struct nvkm_device *device = head->disp->engine.subdev.device;
u32 data = nvkm_rd32(device, 0x600868 + (head->id * 0x2000));
*hline = (data & 0xffff0000) >> 16;
*vline = (data & 0x0000ffff);
}
static void
nv04_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 * 0x0200;
state->vblanks = nvkm_rd32(device, 0x680800 + hoff) & 0x0000ffff;
state->vtotal = nvkm_rd32(device, 0x680804 + hoff) & 0x0000ffff;
state->vblanke = state->vtotal - 1;
state->hblanks = nvkm_rd32(device, 0x680820 + hoff) & 0x0000ffff;
state->htotal = nvkm_rd32(device, 0x680824 + hoff) & 0x0000ffff;
state->hblanke = state->htotal - 1;
}
static const struct nvkm_head_func
nv04_head = {
.state = nv04_head_state,
.rgpos = nv04_head_rgpos,
.vblank_get = nv04_head_vblank_get,
.vblank_put = nv04_head_vblank_put,
};
static int
nv04_head_new(struct nvkm_disp *disp, int id)
{
return nvkm_head_new_(&nv04_head, disp, id);
}
static void
nv04_disp_intr(struct nvkm_disp *disp)
{
struct nvkm_subdev *subdev = &disp->engine.subdev;
struct nvkm_device *device = subdev->device;
u32 crtc0 = nvkm_rd32(device, 0x600100);
u32 crtc1 = nvkm_rd32(device, 0x602100);
u32 pvideo;
if (crtc0 & 0x00000001) {
nvkm_disp_vblank(disp, 0);
nvkm_wr32(device, 0x600100, 0x00000001);
}
if (crtc1 & 0x00000001) {
nvkm_disp_vblank(disp, 1);
nvkm_wr32(device, 0x602100, 0x00000001);
}
if (device->chipset >= 0x10 && device->chipset <= 0x40) {
pvideo = nvkm_rd32(device, 0x8100);
if (pvideo & ~0x11)
nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);
nvkm_wr32(device, 0x8100, pvideo);
}
}
static const struct nvkm_disp_func
nv04_disp = {
.intr = nv04_disp_intr,
.root = { 0, 0, NV04_DISP },
.user = { {} },
};
int
nv04_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_disp **pdisp)
{
int ret, i;
ret = nvkm_disp_new_(&nv04_disp, device, type, inst, pdisp);
if (ret)
return ret;
for (i = 0; i < 2; i++) {
ret = nv04_head_new(*pdisp, i);
if (ret)
return ret;
}
return 0;
}
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