87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*
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* Copyright 2014 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
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*/
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#include "outp.h"
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#include <subdev/bios.h>
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#include <subdev/bios/dcb.h>
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#include <subdev/i2c.h>
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void
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nvkm_output_fini(struct nvkm_output *outp)
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{
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if (outp->func->fini)
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outp->func->fini(outp);
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}
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void
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nvkm_output_init(struct nvkm_output *outp)
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{
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if (outp->func->init)
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outp->func->init(outp);
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}
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void
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nvkm_output_del(struct nvkm_output **poutp)
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{
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struct nvkm_output *outp = *poutp;
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if (outp && !WARN_ON(!outp->func)) {
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if (outp->func->dtor)
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*poutp = outp->func->dtor(outp);
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kfree(*poutp);
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*poutp = NULL;
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}
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}
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void
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nvkm_output_ctor(const struct nvkm_output_func *func, struct nvkm_disp *disp,
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int index, struct dcb_output *dcbE, struct nvkm_output *outp)
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{
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struct nvkm_i2c *i2c = disp->engine.subdev.device->i2c;
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outp->func = func;
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outp->disp = disp;
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outp->index = index;
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outp->info = *dcbE;
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outp->i2c = nvkm_i2c_bus_find(i2c, dcbE->i2c_index);
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outp->or = ffs(outp->info.or) - 1;
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OUTP_DBG(outp, "type %02x loc %d or %d link %d con %x "
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"edid %x bus %d head %x",
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outp->info.type, outp->info.location, outp->info.or,
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outp->info.type >= 2 ? outp->info.sorconf.link : 0,
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outp->info.connector, outp->info.i2c_index,
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outp->info.bus, outp->info.heads);
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}
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int
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nvkm_output_new_(const struct nvkm_output_func *func,
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struct nvkm_disp *disp, int index, struct dcb_output *dcbE,
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struct nvkm_output **poutp)
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{
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if (!(*poutp = kzalloc(sizeof(**poutp), GFP_KERNEL)))
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return -ENOMEM;
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nvkm_output_ctor(func, disp, index, dcbE, *poutp);
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return 0;
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}
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