66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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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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#include "ior.h"
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static void
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gf119_dac_clock(struct nvkm_ior *dac)
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{
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struct nvkm_device *device = dac->disp->engine.subdev.device;
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const u32 doff = nv50_ior_base(dac);
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nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000);
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}
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static void
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gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state)
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{
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struct nvkm_device *device = dac->disp->engine.subdev.device;
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const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20;
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u32 ctrl = nvkm_rd32(device, 0x640180 + coff);
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state->proto_evo = (ctrl & 0x00000f00) >> 8;
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switch (state->proto_evo) {
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case 0: state->proto = CRT; break;
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default:
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state->proto = UNKNOWN;
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break;
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}
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state->head = ctrl & 0x0000000f;
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}
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static const struct nvkm_ior_func
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gf119_dac = {
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.state = gf119_dac_state,
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.power = nv50_dac_power,
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.sense = nv50_dac_sense,
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.clock = gf119_dac_clock,
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};
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int
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gf119_dac_new(struct nvkm_disp *disp, int id)
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{
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struct nvkm_device *device = disp->engine.subdev.device;
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if (!(nvkm_rd32(device, 0x612004) & (0x00000010 << id)))
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return 0;
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return nvkm_ior_new_(&gf119_dac, disp, DAC, id);
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}
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