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1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "gf100.h"25#include "ram.h"26 27#include <core/memory.h>28#include <core/option.h>29#include <subdev/therm.h>30 31void32gf100_fb_intr(struct nvkm_fb *base)33{34 struct gf100_fb *fb = gf100_fb(base);35 struct nvkm_subdev *subdev = &fb->base.subdev;36 struct nvkm_device *device = subdev->device;37 u32 intr = nvkm_rd32(device, 0x000100);38 if (intr & 0x08000000)39 nvkm_debug(subdev, "PFFB intr\n");40 if (intr & 0x00002000)41 nvkm_debug(subdev, "PBFB intr\n");42}43 44int45gf100_fb_oneinit(struct nvkm_fb *base)46{47 struct gf100_fb *fb = gf100_fb(base);48 struct nvkm_device *device = fb->base.subdev.device;49 int ret, size = 1 << (fb->base.page ? fb->base.page : 17);50 51 size = nvkm_longopt(device->cfgopt, "MmuDebugBufferSize", size);52 size = max(size, 0x1000);53 54 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0x1000,55 true, &fb->base.mmu_rd);56 if (ret)57 return ret;58 59 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0x1000,60 true, &fb->base.mmu_wr);61 if (ret)62 return ret;63 64 return 0;65}66 67int68gf100_fb_init_page(struct nvkm_fb *fb)69{70 struct nvkm_device *device = fb->subdev.device;71 switch (fb->page) {72 case 16: nvkm_mask(device, 0x100c80, 0x00000001, 0x00000001); break;73 case 17: nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); break;74 default:75 return -EINVAL;76 }77 return 0;78}79 80void81gf100_fb_sysmem_flush_page_init(struct nvkm_fb *fb)82{83 nvkm_wr32(fb->subdev.device, 0x100c10, fb->sysmem.flush_page_addr >> 8);84}85 86void87gf100_fb_init(struct nvkm_fb *base)88{89 struct gf100_fb *fb = gf100_fb(base);90 struct nvkm_device *device = fb->base.subdev.device;91 92 if (base->func->clkgate_pack) {93 nvkm_therm_clkgate_init(device->therm,94 base->func->clkgate_pack);95 }96}97 98void *99gf100_fb_dtor(struct nvkm_fb *base)100{101 struct gf100_fb *fb = gf100_fb(base);102 103 return fb;104}105 106int107gf100_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,108 enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)109{110 struct gf100_fb *fb;111 112 if (!(fb = kzalloc(sizeof(*fb), GFP_KERNEL)))113 return -ENOMEM;114 nvkm_fb_ctor(func, device, type, inst, &fb->base);115 *pfb = &fb->base;116 117 return 0;118}119 120static const struct nvkm_fb_func121gf100_fb = {122 .dtor = gf100_fb_dtor,123 .oneinit = gf100_fb_oneinit,124 .init = gf100_fb_init,125 .init_page = gf100_fb_init_page,126 .intr = gf100_fb_intr,127 .sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,128 .ram_new = gf100_ram_new,129 .default_bigpage = 17,130};131 132int133gf100_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)134{135 return gf100_fb_new_(&gf100_fb, device, type, inst, pfb);136}137