1 /* 2 * Copyright 2014 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include "outp.h" 25 26 #include <subdev/bios.h> 27 #include <subdev/bios/dcb.h> 28 #include <subdev/i2c.h> 29 30 void 31 nvkm_output_fini(struct nvkm_output *outp) 32 { 33 if (outp->func->fini) 34 outp->func->fini(outp); 35 } 36 37 void 38 nvkm_output_init(struct nvkm_output *outp) 39 { 40 if (outp->func->init) 41 outp->func->init(outp); 42 } 43 44 void 45 nvkm_output_del(struct nvkm_output **poutp) 46 { 47 struct nvkm_output *outp = *poutp; 48 if (outp && !WARN_ON(!outp->func)) { 49 if (outp->func->dtor) 50 *poutp = outp->func->dtor(outp); 51 kfree(*poutp); 52 *poutp = NULL; 53 } 54 } 55 56 void 57 nvkm_output_ctor(const struct nvkm_output_func *func, struct nvkm_disp *disp, 58 int index, struct dcb_output *dcbE, struct nvkm_output *outp) 59 { 60 struct nvkm_i2c *i2c = disp->engine.subdev.device->i2c; 61 62 outp->func = func; 63 outp->disp = disp; 64 outp->index = index; 65 outp->info = *dcbE; 66 outp->i2c = nvkm_i2c_bus_find(i2c, dcbE->i2c_index); 67 outp->or = ffs(outp->info.or) - 1; 68 69 OUTP_DBG(outp, "type %02x loc %d or %d link %d con %x " 70 "edid %x bus %d head %x", 71 outp->info.type, outp->info.location, outp->info.or, 72 outp->info.type >= 2 ? outp->info.sorconf.link : 0, 73 outp->info.connector, outp->info.i2c_index, 74 outp->info.bus, outp->info.heads); 75 } 76 77 int 78 nvkm_output_new_(const struct nvkm_output_func *func, 79 struct nvkm_disp *disp, int index, struct dcb_output *dcbE, 80 struct nvkm_output **poutp) 81 { 82 if (!(*poutp = kzalloc(sizeof(**poutp), GFP_KERNEL))) 83 return -ENOMEM; 84 85 nvkm_output_ctor(func, disp, index, dcbE, *poutp); 86 return 0; 87 } 88