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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"
static void
nv04_disp_vblank_init(struct nvkm_event *event, int type, int head)
{
struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
struct nvkm_device *device = disp->engine.subdev.device;
nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000001);
}
static void
nv04_disp_vblank_fini(struct nvkm_event *event, int type, int head)
{
struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
struct nvkm_device *device = disp->engine.subdev.device;
nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000000);
}
static const struct nvkm_event_func
nv04_disp_vblank_func = {
.ctor = nvkm_disp_vblank_ctor,
.init = nv04_disp_vblank_init,
.fini = nv04_disp_vblank_fini,
};
static void
nv04_disp_intr(struct nvkm_subdev *subdev)
{
struct nvkm_disp *disp = (void *)subdev;
struct nvkm_device *device = disp->engine.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 (nv_device(disp)->chipset >= 0x10 &&
nv_device(disp)->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 = {
.root = &nv04_disp_root_oclass,
};
static int
nv04_disp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_disp *disp;
int ret;
ret = nvkm_disp_create(parent, engine, oclass, 2, "DISPLAY",
"display", &disp);
*pobject = nv_object(disp);
if (ret)
return ret;
disp->func = &nv04_disp;
nv_subdev(disp)->intr = nv04_disp_intr;
return 0;
}
struct nvkm_oclass *
nv04_disp_oclass = &(struct nvkm_disp_impl) {
.base.handle = NV_ENGINE(DISP, 0x04),
.base.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv04_disp_ctor,
.dtor = _nvkm_disp_dtor,
.init = _nvkm_disp_init,
.fini = _nvkm_disp_fini,
},
.vblank = &nv04_disp_vblank_func,
}.base;
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