| /* |
| * Copyright 2014 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| #include "outp.h" |
| |
| #include <subdev/bios.h> |
| #include <subdev/bios/dcb.h> |
| #include <subdev/i2c.h> |
| |
| void |
| nvkm_output_fini(struct nvkm_output *outp) |
| { |
| if (outp->func->fini) |
| outp->func->fini(outp); |
| } |
| |
| void |
| nvkm_output_init(struct nvkm_output *outp) |
| { |
| if (outp->func->init) |
| outp->func->init(outp); |
| } |
| |
| void |
| nvkm_output_del(struct nvkm_output **poutp) |
| { |
| struct nvkm_output *outp = *poutp; |
| if (outp && !WARN_ON(!outp->func)) { |
| if (outp->func->dtor) |
| *poutp = outp->func->dtor(outp); |
| kfree(*poutp); |
| *poutp = NULL; |
| } |
| } |
| |
| void |
| nvkm_output_ctor(const struct nvkm_output_func *func, struct nvkm_disp *disp, |
| int index, struct dcb_output *dcbE, struct nvkm_output *outp) |
| { |
| struct nvkm_i2c *i2c = disp->engine.subdev.device->i2c; |
| |
| outp->func = func; |
| outp->disp = disp; |
| outp->index = index; |
| outp->info = *dcbE; |
| outp->i2c = nvkm_i2c_bus_find(i2c, dcbE->i2c_index); |
| outp->or = ffs(outp->info.or) - 1; |
| |
| OUTP_DBG(outp, "type %02x loc %d or %d link %d con %x " |
| "edid %x bus %d head %x", |
| outp->info.type, outp->info.location, outp->info.or, |
| outp->info.type >= 2 ? outp->info.sorconf.link : 0, |
| outp->info.connector, outp->info.i2c_index, |
| outp->info.bus, outp->info.heads); |
| } |
| |
| int |
| nvkm_output_new_(const struct nvkm_output_func *func, |
| struct nvkm_disp *disp, int index, struct dcb_output *dcbE, |
| struct nvkm_output **poutp) |
| { |
| if (!(*poutp = kzalloc(sizeof(**poutp), GFP_KERNEL))) |
| return -ENOMEM; |
| |
| nvkm_output_ctor(func, disp, index, dcbE, *poutp); |
| return 0; |
| } |