5113f6f70
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kernel add
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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 const struct nvkm_disp_oclass *
nv04_disp_root(struct nvkm_disp *disp)
{
return &nv04_disp_root_oclass;
}
static void
nv04_disp_vblank_init(struct nvkm_disp *disp, int head)
{
struct nvkm_device *device = disp->engine.subdev.device;
nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000001);
}
static void
nv04_disp_vblank_fini(struct nvkm_disp *disp, int head)
{
struct nvkm_device *device = disp->engine.subdev.device;
nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000000);
}
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
", pvideo);
nvkm_wr32(device, 0x8100, pvideo);
}
}
static const struct nvkm_disp_func
nv04_disp = {
.intr = nv04_disp_intr,
.root = nv04_disp_root,
.head.vblank_init = nv04_disp_vblank_init,
.head.vblank_fini = nv04_disp_vblank_fini,
};
int
nv04_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
{
return nvkm_disp_new_(&nv04_disp, device, index, 2, pdisp);
}
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