1/* $NetBSD: nouveau_nvkm_engine_disp_nv04.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2012 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 * Authors: Ben Skeggs 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_nv04.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $"); 28 29#include "priv.h" 30#include "head.h" 31 32static const struct nvkm_disp_oclass * 33nv04_disp_root(struct nvkm_disp *disp) 34{ 35 return &nv04_disp_root_oclass; 36} 37 38static void 39nv04_disp_intr(struct nvkm_disp *disp) 40{ 41 struct nvkm_subdev *subdev = &disp->engine.subdev; 42 struct nvkm_device *device = subdev->device; 43 u32 crtc0 = nvkm_rd32(device, 0x600100); 44 u32 crtc1 = nvkm_rd32(device, 0x602100); 45 u32 pvideo; 46 47 if (crtc0 & 0x00000001) { 48 nvkm_disp_vblank(disp, 0); 49 nvkm_wr32(device, 0x600100, 0x00000001); 50 } 51 52 if (crtc1 & 0x00000001) { 53 nvkm_disp_vblank(disp, 1); 54 nvkm_wr32(device, 0x602100, 0x00000001); 55 } 56 57 if (device->chipset >= 0x10 && device->chipset <= 0x40) { 58 pvideo = nvkm_rd32(device, 0x8100); 59 if (pvideo & ~0x11) 60 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo); 61 nvkm_wr32(device, 0x8100, pvideo); 62 } 63} 64 65static const struct nvkm_disp_func 66nv04_disp = { 67 .intr = nv04_disp_intr, 68 .root = nv04_disp_root, 69}; 70 71int 72nv04_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp) 73{ 74 int ret, i; 75 76 ret = nvkm_disp_new_(&nv04_disp, device, index, pdisp); 77 if (ret) 78 return ret; 79 80 for (i = 0; i < 2; i++) { 81 ret = nv04_head_new(*pdisp, i); 82 if (ret) 83 return ret; 84 } 85 86 return 0; 87} 88