18bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez/* 28bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * Copyright (C) 2010 Francisco Jerez. 38bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * All Rights Reserved. 48bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * 58bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * Permission is hereby granted, free of charge, to any person obtaining 68bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * a copy of this software and associated documentation files (the 78bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * "Software"), to deal in the Software without restriction, including 88bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * without limitation the rights to use, copy, modify, merge, publish, 98bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * distribute, sublicense, and/or sell copies of the Software, and to 108bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * permit persons to whom the Software is furnished to do so, subject to 118bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * the following conditions: 128bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * 138bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * The above copyright notice and this permission notice (including the 148bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * next paragraph) shall be included in all copies or substantial 158bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * portions of the Software. 168bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * 178bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 188bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 198bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 208bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 218bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 228bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 238bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 248bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez * 258bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez */ 268bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 278bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez#include "drmP.h" 288bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez#include "drm.h" 298bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez#include "nouveau_drv.h" 308bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez#include "nouveau_drm.h" 318bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 32a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerezvoid 33a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jereznv30_fb_init_tile_region(struct drm_device *dev, int i, uint32_t addr, 34a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez uint32_t size, uint32_t pitch, uint32_t flags) 35a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez{ 36a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez struct drm_nouveau_private *dev_priv = dev->dev_private; 37a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; 38a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez 39a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez tile->addr = addr | 1; 40a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez tile->limit = max(1u, addr + size) - 1; 41a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez tile->pitch = pitch; 42a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez} 43a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez 44a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerezvoid 45a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jereznv30_fb_free_tile_region(struct drm_device *dev, int i) 46a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez{ 47a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez struct drm_nouveau_private *dev_priv = dev->dev_private; 48a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; 49a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez 50a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez tile->addr = tile->limit = tile->pitch = 0; 51a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez} 52a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez 538bded189552800cae6c333475a54dabe048a74aaFrancisco Jerezstatic int 544d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerezcalc_bias(struct drm_device *dev, int k, int i, int j) 554d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez{ 564d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez struct drm_nouveau_private *dev_priv = dev->dev_private; 574d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez int b = (dev_priv->chipset > 0x30 ? 584d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez nv_rd32(dev, 0x122c + 0x10 * k + 0x4 * j) >> (4 * (i ^ 1)) : 594d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez 0) & 0xf; 604d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez 614d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez return 2 * (b & 0x8 ? b - 0x10 : b); 624d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez} 634d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez 644d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerezstatic int 654d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerezcalc_ref(struct drm_device *dev, int l, int k, int i) 668bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez{ 678bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez int j, x = 0; 688bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 698bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez for (j = 0; j < 4; j++) { 704d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez int m = (l >> (8 * i) & 0xff) + calc_bias(dev, k, i, j); 718bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 724d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez x |= (0x80 | clamp(m, 0, 0x1f)) << (8 * j); 738bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez } 748bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 758bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez return x; 768bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez} 778bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 788bded189552800cae6c333475a54dabe048a74aaFrancisco Jerezint 798bded189552800cae6c333475a54dabe048a74aaFrancisco Jereznv30_fb_init(struct drm_device *dev) 808bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez{ 818bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez struct drm_nouveau_private *dev_priv = dev->dev_private; 828bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; 838bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez int i, j; 848bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 858bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez pfb->num_tiles = NV10_PFB_TILE__SIZE; 868bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 878bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez /* Turn all the tiling regions off. */ 888bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez for (i = 0; i < pfb->num_tiles; i++) 89a5cf68b04b2b8ea716cf6fd8499c1c54d05fdf5eFrancisco Jerez pfb->set_tile_region(dev, i); 908bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 918bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez /* Init the memory timing regs at 0x10037c/0x1003ac */ 928bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez if (dev_priv->chipset == 0x30 || 938bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez dev_priv->chipset == 0x31 || 948bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez dev_priv->chipset == 0x35) { 958bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez /* Related to ROP count */ 968bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez int n = (dev_priv->chipset == 0x31 ? 2 : 4); 978bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez int l = nv_rd32(dev, 0x1003d0); 988bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 998bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez for (i = 0; i < n; i++) { 1008bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez for (j = 0; j < 3; j++) 1018bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez nv_wr32(dev, 0x10037c + 0xc * i + 0x4 * j, 1024d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez calc_ref(dev, l, 0, j)); 1038bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 1048bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez for (j = 0; j < 2; j++) 1058bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez nv_wr32(dev, 0x1003ac + 0x8 * i + 0x4 * j, 1064d1defd724485bb4cbecdcccf5c3fee5cd6a0d41Francisco Jerez calc_ref(dev, l, 1, j)); 1078bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez } 1088bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez } 1098bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 1108bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez return 0; 1118bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez} 1128bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez 1138bded189552800cae6c333475a54dabe048a74aaFrancisco Jerezvoid 1148bded189552800cae6c333475a54dabe048a74aaFrancisco Jereznv30_fb_takedown(struct drm_device *dev) 1158bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez{ 1168bded189552800cae6c333475a54dabe048a74aaFrancisco Jerez} 117