/*
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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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nv50_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_mask(device, 0x61002c, (4 << head->id), 0);
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}
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static void
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nv50_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_mask(device, 0x61002c, (4 << head->id), (4 << head->id));
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}
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static void
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nv50_head_rgclk(struct nvkm_head *head, int div)
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{
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struct nvkm_device *device = head->disp->engine.subdev.device;
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nvkm_mask(device, 0x614200 + (head->id * 0x800), 0x0000000f, div);
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}
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void
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nv50_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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const u32 hoff = head->id * 0x800;
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/* vline read locks hline. */
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*vline = nvkm_rd32(device, 0x616340 + hoff) & 0x0000ffff;
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*hline = nvkm_rd32(device, 0x616344 + hoff) & 0x0000ffff;
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}
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static void
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nv50_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 * 0x540 + (state == &head->arm) * 4;
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u32 data;
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data = nvkm_rd32(device, 0x610ae8 + hoff);
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state->vblanke = (data & 0xffff0000) >> 16;
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state->hblanke = (data & 0x0000ffff);
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data = nvkm_rd32(device, 0x610af0 + hoff);
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state->vblanks = (data & 0xffff0000) >> 16;
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state->hblanks = (data & 0x0000ffff);
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data = nvkm_rd32(device, 0x610af8 + hoff);
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state->vtotal = (data & 0xffff0000) >> 16;
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state->htotal = (data & 0x0000ffff);
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data = nvkm_rd32(device, 0x610b00 + hoff);
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state->vsynce = (data & 0xffff0000) >> 16;
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state->hsynce = (data & 0x0000ffff);
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state->hz = (nvkm_rd32(device, 0x610ad0 + hoff) & 0x003fffff) * 1000;
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}
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static const struct nvkm_head_func
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nv50_head = {
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.state = nv50_head_state,
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.rgpos = nv50_head_rgpos,
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.rgclk = nv50_head_rgclk,
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.vblank_get = nv50_head_vblank_get,
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.vblank_put = nv50_head_vblank_put,
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};
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int
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nv50_head_new(struct nvkm_disp *disp, int id)
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{
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return nvkm_head_new_(&nv50_head, disp, id);
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}
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int
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nv50_head_cnt(struct nvkm_disp *disp, unsigned long *pmask)
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{
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*pmask = 3;
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return 2;
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}
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