projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| cb75d97e BS |
1 | /* |
| 2 | * Copyright (C) 2010 Francisco Jerez. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining | |
| 6 | * a copy of this software and associated documentation files (the | |
| 7 | * "Software"), to deal in the Software without restriction, including | |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, | |
| 9 | * distribute, sublicense, and/or sell copies of the Software, and to | |
| 10 | * permit persons to whom the Software is furnished to do so, subject to | |
| 11 | * the following conditions: | |
| 12 | * | |
| 13 | * The above copyright notice and this permission notice (including the | |
| 14 | * next paragraph) shall be included in all copies or substantial | |
| 15 | * portions of the Software. | |
| 16 | * | |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
| 20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
| 21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
| 22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
| 23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| 24 | * | |
| 25 | */ | |
| 26 | ||
| 88524bc0 | 27 | #include "priv.h" |
| cb75d97e BS |
28 | #include "fbmem.h" |
| 29 | ||
| 30 | struct nv20_devinit_priv { | |
| 31 | struct nouveau_devinit base; | |
| 32 | u8 owner; | |
| 33 | }; | |
| 34 | ||
| 35 | static void | |
| 36 | nv20_devinit_meminit(struct nouveau_devinit *devinit) | |
| 37 | { | |
| 38 | struct nv20_devinit_priv *priv = (void *)devinit; | |
| 39 | struct nouveau_device *device = nv_device(priv); | |
| 40 | uint32_t mask = (device->chipset >= 0x25 ? 0x300 : 0x900); | |
| 41 | uint32_t amount, off; | |
| 42 | struct io_mapping *fb; | |
| 43 | ||
| 44 | /* Map the framebuffer aperture */ | |
| 45 | fb = fbmem_init(nv_device(priv)->pdev); | |
| 46 | if (!fb) { | |
| 47 | nv_error(priv, "failed to map fb\n"); | |
| 48 | return; | |
| 49 | } | |
| 50 | ||
| 51 | nv_wr32(priv, NV10_PFB_REFCTRL, NV10_PFB_REFCTRL_VALID_1); | |
| 52 | ||
| 53 | /* Allow full addressing */ | |
| 54 | nv_mask(priv, NV04_PFB_CFG0, 0, mask); | |
| 55 | ||
| 56 | amount = nv_rd32(priv, 0x10020c); | |
| 57 | for (off = amount; off > 0x2000000; off -= 0x2000000) | |
| 58 | fbmem_poke(fb, off - 4, off); | |
| 59 | ||
| 60 | amount = nv_rd32(priv, 0x10020c); | |
| 61 | if (amount != fbmem_peek(fb, amount - 4)) | |
| 62 | /* IC missing - disable the upper half memory space. */ | |
| 63 | nv_mask(priv, NV04_PFB_CFG0, mask, 0); | |
| 64 | ||
| 65 | fbmem_fini(fb); | |
| 66 | } | |
| 67 | ||
| 68 | static int | |
| 69 | nv20_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine, | |
| 70 | struct nouveau_oclass *oclass, void *data, u32 size, | |
| 71 | struct nouveau_object **pobject) | |
| 72 | { | |
| 73 | struct nv20_devinit_priv *priv; | |
| 74 | int ret; | |
| 75 | ||
| 76 | ret = nouveau_devinit_create(parent, engine, oclass, &priv); | |
| 77 | *pobject = nv_object(priv); | |
| 78 | if (ret) | |
| 79 | return ret; | |
| 80 | ||
| 81 | priv->base.meminit = nv20_devinit_meminit; | |
| 88524bc0 | 82 | priv->base.pll_set = nv04_devinit_pll_set; |
| cb75d97e BS |
83 | return 0; |
| 84 | } | |
| 85 | ||
| 86 | struct nouveau_oclass | |
| 87 | nv20_devinit_oclass = { | |
| 88 | .handle = NV_SUBDEV(DEVINIT, 0x20), | |
| 89 | .ofuncs = &(struct nouveau_ofuncs) { | |
| 90 | .ctor = nv20_devinit_ctor, | |
| 91 | .dtor = nv04_devinit_dtor, | |
| 92 | .init = nv04_devinit_init, | |
| 93 | .fini = nv04_devinit_fini, | |
| 94 | }, | |
| 95 | }; |