mirror of https://gitee.com/openkylin/linux.git
143 lines
4.0 KiB
C
143 lines
4.0 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 "priv.h"
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#include <subdev/bios.h>
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#include <subdev/bios/conn.h>
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#include <subdev/bios/dcb.h>
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#include <subdev/i2c.h>
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int
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_nvkm_output_fini(struct nvkm_object *object, bool suspend)
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{
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struct nvkm_output *outp = (void *)object;
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nv_ofuncs(outp->conn)->fini(nv_object(outp->conn), suspend);
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return nvkm_object_fini(&outp->base, suspend);
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}
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int
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_nvkm_output_init(struct nvkm_object *object)
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{
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struct nvkm_output *outp = (void *)object;
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int ret = nvkm_object_init(&outp->base);
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if (ret == 0)
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nv_ofuncs(outp->conn)->init(nv_object(outp->conn));
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return 0;
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}
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void
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_nvkm_output_dtor(struct nvkm_object *object)
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{
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struct nvkm_output *outp = (void *)object;
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list_del(&outp->head);
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nvkm_object_ref(NULL, (void *)&outp->conn);
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nvkm_object_destroy(&outp->base);
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}
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int
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nvkm_output_create_(struct nvkm_object *parent,
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struct nvkm_object *engine,
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struct nvkm_oclass *oclass,
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struct dcb_output *dcbE, int index,
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int length, void **pobject)
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{
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struct nvkm_disp *disp = nvkm_disp(parent);
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struct nvkm_bios *bios = nvkm_bios(parent);
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struct nvkm_i2c *i2c = nvkm_i2c(parent);
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struct nvbios_connE connE;
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struct nvkm_output *outp;
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u8 ver, hdr;
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u32 data;
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int ret;
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ret = nvkm_object_create_(parent, engine, oclass, 0, length, pobject);
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outp = *pobject;
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if (ret)
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return ret;
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outp->info = *dcbE;
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outp->index = index;
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outp->or = ffs(outp->info.or) - 1;
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DBG("type %02x loc %d or %d link %d con %x edid %x bus %d head %x\n",
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dcbE->type, dcbE->location, dcbE->or, dcbE->type >= 2 ?
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dcbE->sorconf.link : 0, dcbE->connector, dcbE->i2c_index,
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dcbE->bus, dcbE->heads);
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if (outp->info.type != DCB_OUTPUT_DP)
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outp->port = i2c->find(i2c, NV_I2C_PORT(outp->info.i2c_index));
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else
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outp->port = i2c->find(i2c, NV_I2C_AUX(outp->info.i2c_index));
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outp->edid = outp->port;
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data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr, &connE);
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if (!data) {
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DBG("vbios connector data not found\n");
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memset(&connE, 0x00, sizeof(connE));
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connE.type = DCB_CONNECTOR_NONE;
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}
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ret = nvkm_object_ctor(parent, NULL, nvkm_connector_oclass,
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&connE, outp->info.connector,
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(struct nvkm_object **)&outp->conn);
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if (ret < 0) {
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ERR("error %d creating connector, disabling\n", ret);
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return ret;
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}
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list_add_tail(&outp->head, &disp->outp);
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return 0;
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}
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int
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_nvkm_output_ctor(struct nvkm_object *parent,
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struct nvkm_object *engine,
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struct nvkm_oclass *oclass, void *dcbE, u32 index,
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struct nvkm_object **pobject)
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{
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struct nvkm_output *outp;
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int ret;
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ret = nvkm_output_create(parent, engine, oclass, dcbE, index, &outp);
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*pobject = nv_object(outp);
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if (ret)
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return ret;
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return 0;
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}
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struct nvkm_oclass *
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nvkm_output_oclass = &(struct nvkm_output_impl) {
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.base = {
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.handle = 0,
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.ofuncs = &(struct nvkm_ofuncs) {
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.ctor = _nvkm_output_ctor,
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.dtor = _nvkm_output_dtor,
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.init = _nvkm_output_init,
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.fini = _nvkm_output_fini,
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},
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},
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}.base;
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