1/* $NetBSD: nouveau_dispnv50_core507d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $ */ 2 3/* 4 * Copyright 2018 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_dispnv50_core507d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $"); 26 27#include "core.h" 28#include "head.h" 29 30#include <nvif/cl507d.h> 31 32#include "nouveau_bo.h" 33 34void 35core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy) 36{ 37 u32 *push; 38 if ((push = evo_wait(&core->chan, 5))) { 39 if (ntfy) { 40 evo_mthd(push, 0x0084, 1); 41 evo_data(push, 0x80000000 | NV50_DISP_CORE_NTFY); 42 } 43 evo_mthd(push, 0x0080, 2); 44 evo_data(push, interlock[NV50_DISP_INTERLOCK_BASE] | 45 interlock[NV50_DISP_INTERLOCK_OVLY]); 46 evo_data(push, 0x00000000); 47 evo_kick(push, &core->chan); 48 } 49} 50 51int 52core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset, 53 struct nvif_device *device) 54{ 55 s64 time = nvif_msec(device, 2000ULL, 56 if (nouveau_bo_rd32(bo, offset / 4)) 57 break; 58 usleep_range(1, 2); 59 ); 60 return time < 0 ? time : 0; 61} 62 63void 64core507d_ntfy_init(struct nouveau_bo *bo, u32 offset) 65{ 66 nouveau_bo_wr32(bo, offset / 4, 0x00000000); 67} 68 69void 70core507d_init(struct nv50_core *core) 71{ 72 u32 *push; 73 if ((push = evo_wait(&core->chan, 2))) { 74 evo_mthd(push, 0x0088, 1); 75 evo_data(push, core->chan.sync.handle); 76 evo_kick(push, &core->chan); 77 } 78} 79 80static const struct nv50_core_func 81core507d = { 82 .init = core507d_init, 83 .ntfy_init = core507d_ntfy_init, 84 .ntfy_wait_done = core507d_ntfy_wait_done, 85 .update = core507d_update, 86 .head = &head507d, 87 .dac = &dac507d, 88 .sor = &sor507d, 89 .pior = &pior507d, 90}; 91 92int 93core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm, 94 s32 oclass, struct nv50_core **pcore) 95{ 96 struct nv50_disp_core_channel_dma_v0 args = {}; 97 struct nv50_disp *disp = nv50_disp(drm->dev); 98 struct nv50_core *core; 99 int ret; 100 101 if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL))) 102 return -ENOMEM; 103 core->func = func; 104 105 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, 106 &oclass, 0, &args, sizeof(args), 107 disp->sync->bo.offset, &core->chan); 108 if (ret) { 109 NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret); 110 return ret; 111 } 112 113 return 0; 114} 115 116int 117core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore) 118{ 119 return core507d_new_(&core507d, drm, oclass, pcore); 120} 121