1/* $NetBSD: nouveau_nvkm_engine_disp_dacgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2017 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24#include <sys/cdefs.h> 25__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_dacgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $"); 26 27#include "ior.h" 28 29static void 30gf119_dac_clock(struct nvkm_ior *dac) 31{ 32 struct nvkm_device *device = dac->disp->engine.subdev.device; 33 const u32 doff = nv50_ior_base(dac); 34 nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000); 35} 36 37static void 38gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state) 39{ 40 struct nvkm_device *device = dac->disp->engine.subdev.device; 41 const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20; 42 u32 ctrl = nvkm_rd32(device, 0x640180 + coff); 43 44 state->proto_evo = (ctrl & 0x00000f00) >> 8; 45 switch (state->proto_evo) { 46 case 0: state->proto = CRT; break; 47 default: 48 state->proto = UNKNOWN; 49 break; 50 } 51 52 state->head = ctrl & 0x0000000f; 53} 54 55static const struct nvkm_ior_func 56gf119_dac = { 57 .state = gf119_dac_state, 58 .power = nv50_dac_power, 59 .sense = nv50_dac_sense, 60 .clock = gf119_dac_clock, 61}; 62 63int 64gf119_dac_new(struct nvkm_disp *disp, int id) 65{ 66 return nvkm_ior_new_(&gf119_dac, disp, DAC, id); 67} 68 69int 70gf119_dac_cnt(struct nvkm_disp *disp, unsigned long *pmask) 71{ 72 struct nvkm_device *device = disp->engine.subdev.device; 73 *pmask = (nvkm_rd32(device, 0x612004) & 0x000000f0) >> 4; 74 return 4; 75} 76