1c39f472eSBen Skeggs /* 2c39f472eSBen Skeggs * Copyright 2012 Red Hat Inc. 3c39f472eSBen Skeggs * 4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"), 6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation 7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions: 10c39f472eSBen Skeggs * 11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in 12c39f472eSBen Skeggs * all copies or substantial portions of the Software. 13c39f472eSBen Skeggs * 14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 21c39f472eSBen Skeggs * 22c39f472eSBen Skeggs * Authors: Ben Skeggs 23c39f472eSBen Skeggs */ 2454dcadd5SBen Skeggs #include "priv.h" 25c39f472eSBen Skeggs 2687f313e6SBen Skeggs const struct nvkm_mc_map 27667e99abSBen Skeggs nv04_mc_reset[] = { 28667e99abSBen Skeggs { 0x00001000, NVKM_ENGINE_GR }, 29667e99abSBen Skeggs { 0x00000100, NVKM_ENGINE_FIFO }, 30667e99abSBen Skeggs {} 31667e99abSBen Skeggs }; 32667e99abSBen Skeggs 33*fe76fe49SBen Skeggs static const struct nvkm_intr_data 34*fe76fe49SBen Skeggs nv04_mc_intrs[] = { 35*fe76fe49SBen Skeggs { NVKM_ENGINE_DISP , 0, 0, 0x01010000, true }, 36*fe76fe49SBen Skeggs { NVKM_ENGINE_GR , 0, 0, 0x00001000, true }, 37*fe76fe49SBen Skeggs { NVKM_ENGINE_FIFO , 0, 0, 0x00000100, true }, 38*fe76fe49SBen Skeggs { NVKM_SUBDEV_BUS , 0, 0, 0x10000000, true }, 39*fe76fe49SBen Skeggs { NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true }, 40c39f472eSBen Skeggs {} 41c39f472eSBen Skeggs }; 42c39f472eSBen Skeggs 4354dcadd5SBen Skeggs void 44*fe76fe49SBen Skeggs nv04_mc_intr_rearm(struct nvkm_intr *intr) 45d4c4cc83SBen Skeggs { 46*fe76fe49SBen Skeggs struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr); 47*fe76fe49SBen Skeggs int leaf; 48*fe76fe49SBen Skeggs 49*fe76fe49SBen Skeggs for (leaf = 0; leaf < intr->leaves; leaf++) 50*fe76fe49SBen Skeggs nvkm_wr32(mc->subdev.device, 0x000140 + (leaf * 4), 0x00000001); 51d4c4cc83SBen Skeggs } 52d4c4cc83SBen Skeggs 53d4c4cc83SBen Skeggs void 54*fe76fe49SBen Skeggs nv04_mc_intr_unarm(struct nvkm_intr *intr) 55d4c4cc83SBen Skeggs { 56*fe76fe49SBen Skeggs struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr); 57*fe76fe49SBen Skeggs int leaf; 58*fe76fe49SBen Skeggs 59*fe76fe49SBen Skeggs for (leaf = 0; leaf < intr->leaves; leaf++) 60*fe76fe49SBen Skeggs nvkm_wr32(mc->subdev.device, 0x000140 + (leaf * 4), 0x00000000); 61*fe76fe49SBen Skeggs 62*fe76fe49SBen Skeggs nvkm_rd32(mc->subdev.device, 0x000140); 63d4c4cc83SBen Skeggs } 64d4c4cc83SBen Skeggs 65*fe76fe49SBen Skeggs bool 66*fe76fe49SBen Skeggs nv04_mc_intr_pending(struct nvkm_intr *intr) 67d4c4cc83SBen Skeggs { 68*fe76fe49SBen Skeggs struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr); 69*fe76fe49SBen Skeggs bool pending = false; 70*fe76fe49SBen Skeggs int leaf; 71*fe76fe49SBen Skeggs 72*fe76fe49SBen Skeggs for (leaf = 0; leaf < intr->leaves; leaf++) { 73*fe76fe49SBen Skeggs intr->stat[leaf] = nvkm_rd32(mc->subdev.device, 0x000100 + (leaf * 4)); 74*fe76fe49SBen Skeggs if (intr->stat[leaf]) 75*fe76fe49SBen Skeggs pending = true; 76d4c4cc83SBen Skeggs } 77d4c4cc83SBen Skeggs 78*fe76fe49SBen Skeggs return pending; 79*fe76fe49SBen Skeggs } 80*fe76fe49SBen Skeggs 81*fe76fe49SBen Skeggs const struct nvkm_intr_func 82*fe76fe49SBen Skeggs nv04_mc_intr = { 83*fe76fe49SBen Skeggs .pending = nv04_mc_intr_pending, 84*fe76fe49SBen Skeggs .unarm = nv04_mc_intr_unarm, 85*fe76fe49SBen Skeggs .rearm = nv04_mc_intr_rearm, 86*fe76fe49SBen Skeggs }; 87*fe76fe49SBen Skeggs 88d4c4cc83SBen Skeggs void 8954dcadd5SBen Skeggs nv04_mc_init(struct nvkm_mc *mc) 90c39f472eSBen Skeggs { 9125e3a463SBen Skeggs struct nvkm_device *device = mc->subdev.device; 9225e3a463SBen Skeggs nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */ 9325e3a463SBen Skeggs nvkm_wr32(device, 0x001850, 0x00000001); /* disable rom access */ 94c39f472eSBen Skeggs } 95c39f472eSBen Skeggs 9654dcadd5SBen Skeggs static const struct nvkm_mc_func 9754dcadd5SBen Skeggs nv04_mc = { 9854dcadd5SBen Skeggs .init = nv04_mc_init, 99*fe76fe49SBen Skeggs .intr = &nv04_mc_intr, 100*fe76fe49SBen Skeggs .intrs = nv04_mc_intrs, 101d85e2a8dSBen Skeggs .reset = nv04_mc_reset, 10254dcadd5SBen Skeggs }; 10354dcadd5SBen Skeggs 104c39f472eSBen Skeggs int 1051fc2fddfSBen Skeggs nv04_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) 106c39f472eSBen Skeggs { 1071fc2fddfSBen Skeggs return nvkm_mc_new_(&nv04_mc, device, type, inst, pmc); 108c39f472eSBen Skeggs } 109