| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| #include "priv.h" |
| #include "ram.h" |
| |
| #include <subdev/bios.h> |
| #include <subdev/bios/M0203.h> |
| #include <engine/gr.h> |
| #include <engine/mpeg.h> |
| |
| bool |
| nvkm_fb_memtype_valid(struct nvkm_fb *fb, u32 memtype) |
| { |
| return fb->func->memtype_valid(fb, memtype); |
| } |
| |
| void |
| nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) |
| { |
| fb->func->tile.fini(fb, region, tile); |
| } |
| |
| void |
| nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size, |
| u32 pitch, u32 flags, struct nvkm_fb_tile *tile) |
| { |
| fb->func->tile.init(fb, region, addr, size, pitch, flags, tile); |
| } |
| |
| void |
| nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) |
| { |
| struct nvkm_device *device = fb->subdev.device; |
| fb->func->tile.prog(fb, region, tile); |
| if (likely(device->gr)) |
| device->gr->engine.tile_prog(&device->gr->engine, region); |
| if (likely(device->mpeg)) |
| device->mpeg->tile_prog(device->mpeg, region); |
| } |
| |
| int |
| nvkm_fb_bios_memtype(struct nvkm_bios *bios) |
| { |
| struct nvkm_subdev *subdev = &bios->subdev; |
| struct nvkm_device *device = subdev->device; |
| const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; |
| struct nvbios_M0203E M0203E; |
| u8 ver, hdr; |
| |
| if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { |
| switch (M0203E.type) { |
| case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2; |
| case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3; |
| case M0203E_TYPE_GDDR3: return NVKM_RAM_TYPE_GDDR3; |
| case M0203E_TYPE_GDDR5: return NVKM_RAM_TYPE_GDDR5; |
| default: |
| nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); |
| return NVKM_RAM_TYPE_UNKNOWN; |
| } |
| } |
| |
| nvkm_warn(subdev, "M0203E not matched!\n"); |
| return NVKM_RAM_TYPE_UNKNOWN; |
| } |
| |
| static void |
| nvkm_fb_intr(struct nvkm_subdev *subdev) |
| { |
| struct nvkm_fb *fb = nvkm_fb(subdev); |
| if (fb->func->intr) |
| fb->func->intr(fb); |
| } |
| |
| static int |
| nvkm_fb_oneinit(struct nvkm_subdev *subdev) |
| { |
| struct nvkm_fb *fb = nvkm_fb(subdev); |
| if (fb->func->ram_new) { |
| int ret = fb->func->ram_new(fb, &fb->ram); |
| if (ret) { |
| nvkm_error(subdev, "vram setup failed, %d\n", ret); |
| return ret; |
| } |
| } |
| return 0; |
| } |
| |
| static int |
| nvkm_fb_init(struct nvkm_subdev *subdev) |
| { |
| struct nvkm_fb *fb = nvkm_fb(subdev); |
| int ret, i; |
| |
| if (fb->ram) { |
| ret = nvkm_ram_init(fb->ram); |
| if (ret) |
| return ret; |
| } |
| |
| for (i = 0; i < fb->tile.regions; i++) |
| fb->func->tile.prog(fb, i, &fb->tile.region[i]); |
| |
| if (fb->func->init) |
| fb->func->init(fb); |
| return 0; |
| } |
| |
| static void * |
| nvkm_fb_dtor(struct nvkm_subdev *subdev) |
| { |
| struct nvkm_fb *fb = nvkm_fb(subdev); |
| int i; |
| |
| for (i = 0; i < fb->tile.regions; i++) |
| fb->func->tile.fini(fb, i, &fb->tile.region[i]); |
| |
| nvkm_ram_del(&fb->ram); |
| |
| if (fb->func->dtor) |
| return fb->func->dtor(fb); |
| return fb; |
| } |
| |
| static const struct nvkm_subdev_func |
| nvkm_fb = { |
| .dtor = nvkm_fb_dtor, |
| .oneinit = nvkm_fb_oneinit, |
| .init = nvkm_fb_init, |
| .intr = nvkm_fb_intr, |
| }; |
| |
| void |
| nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device, |
| int index, struct nvkm_fb *fb) |
| { |
| nvkm_subdev_ctor(&nvkm_fb, device, index, 0, &fb->subdev); |
| fb->func = func; |
| fb->tile.regions = fb->func->tile.regions; |
| } |
| |
| int |
| nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device, |
| int index, struct nvkm_fb **pfb) |
| { |
| if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL))) |
| return -ENOMEM; |
| nvkm_fb_ctor(func, device, index, *pfb); |
| return 0; |
| } |