75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
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/*
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* Copyright 2017 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs <bskeggs@redhat.com>
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*/
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#include "head.h"
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static void
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nv04_head_vblank_put(struct nvkm_head *head)
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{
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struct nvkm_device *device = head->disp->engine.subdev.device;
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nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000000);
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}
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static void
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nv04_head_vblank_get(struct nvkm_head *head)
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{
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struct nvkm_device *device = head->disp->engine.subdev.device;
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nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000001);
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}
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static void
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nv04_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline)
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{
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struct nvkm_device *device = head->disp->engine.subdev.device;
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u32 data = nvkm_rd32(device, 0x600868 + (head->id * 0x2000));
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*hline = (data & 0xffff0000) >> 16;
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*vline = (data & 0x0000ffff);
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}
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static void
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nv04_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
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{
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struct nvkm_device *device = head->disp->engine.subdev.device;
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const u32 hoff = head->id * 0x0200;
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state->vblanks = nvkm_rd32(device, 0x680800 + hoff) & 0x0000ffff;
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state->vtotal = nvkm_rd32(device, 0x680804 + hoff) & 0x0000ffff;
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state->vblanke = state->vtotal - 1;
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state->hblanks = nvkm_rd32(device, 0x680820 + hoff) & 0x0000ffff;
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state->htotal = nvkm_rd32(device, 0x680824 + hoff) & 0x0000ffff;
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state->hblanke = state->htotal - 1;
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}
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static const struct nvkm_head_func
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nv04_head = {
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.state = nv04_head_state,
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.rgpos = nv04_head_rgpos,
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.vblank_get = nv04_head_vblank_get,
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.vblank_put = nv04_head_vblank_put,
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};
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int
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nv04_head_new(struct nvkm_disp *disp, int id)
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{
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return nvkm_head_new_(&nv04_head, disp, id);
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}
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