1/* 2 * Copyright (c) Intel Corp. 2007. 3 * All Rights Reserved. 4 * 5 * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to 6 * develop this driver. 7 * 8 * This file is part of the Vermilion Range fb driver. 9 * The Vermilion Range fb driver is free software; 10 * you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * The Vermilion Range fb driver is distributed 16 * in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this driver; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 24 * 25 * Authors: 26 * Thomas Hellström <thomas-at-tungstengraphics-dot-com> 27 */ 28 29#ifndef _VERMILION_H_ 30#define _VERMILION_H_ 31 32#include <linux/kernel.h> 33#include <linux/pci.h> 34#include <asm/atomic.h> 35#include <linux/mutex.h> 36 37#define VML_DEVICE_GPU 0x5002 38#define VML_DEVICE_VDC 0x5009 39 40#define VML_VRAM_AREAS 3 41#define VML_MAX_XRES 1024 42#define VML_MAX_YRES 768 43#define VML_MAX_XRES_VIRTUAL 1040 44 45/* 46 * Display controller registers: 47 */ 48 49/* Display controller 10-bit color representation */ 50 51#define VML_R_MASK 0x3FF00000 52#define VML_R_SHIFT 20 53#define VML_G_MASK 0x000FFC00 54#define VML_G_SHIFT 10 55#define VML_B_MASK 0x000003FF 56#define VML_B_SHIFT 0 57 58/* Graphics plane control */ 59#define VML_DSPCCNTR 0x00072180 60#define VML_GFX_ENABLE 0x80000000 61#define VML_GFX_GAMMABYPASS 0x40000000 62#define VML_GFX_ARGB1555 0x0C000000 63#define VML_GFX_RGB0888 0x18000000 64#define VML_GFX_ARGB8888 0x1C000000 65#define VML_GFX_ALPHACONST 0x02000000 66#define VML_GFX_ALPHAMULT 0x01000000 67#define VML_GFX_CONST_ALPHA 0x000000FF 68 69/* Graphics plane start address. Pixel aligned. */ 70#define VML_DSPCADDR 0x00072184 71 72/* Graphics plane stride register. */ 73#define VML_DSPCSTRIDE 0x00072188 74 75/* Graphics plane position register. */ 76#define VML_DSPCPOS 0x0007218C 77#define VML_POS_YMASK 0x0FFF0000 78#define VML_POS_YSHIFT 16 79#define VML_POS_XMASK 0x00000FFF 80#define VML_POS_XSHIFT 0 81 82/* Graphics plane height and width */ 83#define VML_DSPCSIZE 0x00072190 84#define VML_SIZE_HMASK 0x0FFF0000 85#define VML_SIZE_HSHIFT 16 86#define VML_SISE_WMASK 0x00000FFF 87#define VML_SIZE_WSHIFT 0 88 89/* Graphics plane gamma correction lookup table registers (129 * 32 bits) */ 90#define VML_DSPCGAMLUT 0x00072200 91 92/* Pixel video output configuration register */ 93#define VML_PVOCONFIG 0x00061140 94#define VML_CONFIG_BASE 0x80000000 95#define VML_CONFIG_PIXEL_SWAP 0x04000000 96#define VML_CONFIG_DE_INV 0x01000000 97#define VML_CONFIG_HREF_INV 0x00400000 98#define VML_CONFIG_VREF_INV 0x00100000 99#define VML_CONFIG_CLK_INV 0x00040000 100#define VML_CONFIG_CLK_DIV2 0x00010000 101#define VML_CONFIG_ESTRB_INV 0x00008000 102 103/* Pipe A Horizontal total register */ 104#define VML_HTOTAL_A 0x00060000 105#define VML_HTOTAL_MASK 0x1FFF0000 106#define VML_HTOTAL_SHIFT 16 107#define VML_HTOTAL_VAL 8192 108#define VML_HACTIVE_MASK 0x000007FF 109#define VML_HACTIVE_SHIFT 0 110#define VML_HACTIVE_VAL 4096 111 112/* Pipe A Horizontal Blank register */ 113#define VML_HBLANK_A 0x00060004 114#define VML_HBLANK_END_MASK 0x1FFF0000 115#define VML_HBLANK_END_SHIFT 16 116#define VML_HBLANK_END_VAL 8192 117#define VML_HBLANK_START_MASK 0x00001FFF 118#define VML_HBLANK_START_SHIFT 0 119#define VML_HBLANK_START_VAL 8192 120 121/* Pipe A Horizontal Sync register */ 122#define VML_HSYNC_A 0x00060008 123#define VML_HSYNC_END_MASK 0x1FFF0000 124#define VML_HSYNC_END_SHIFT 16 125#define VML_HSYNC_END_VAL 8192 126#define VML_HSYNC_START_MASK 0x00001FFF 127#define VML_HSYNC_START_SHIFT 0 128#define VML_HSYNC_START_VAL 8192 129 130/* Pipe A Vertical total register */ 131#define VML_VTOTAL_A 0x0006000C 132#define VML_VTOTAL_MASK 0x1FFF0000 133#define VML_VTOTAL_SHIFT 16 134#define VML_VTOTAL_VAL 8192 135#define VML_VACTIVE_MASK 0x000007FF 136#define VML_VACTIVE_SHIFT 0 137#define VML_VACTIVE_VAL 4096 138 139/* Pipe A Vertical Blank register */ 140#define VML_VBLANK_A 0x00060010 141#define VML_VBLANK_END_MASK 0x1FFF0000 142#define VML_VBLANK_END_SHIFT 16 143#define VML_VBLANK_END_VAL 8192 144#define VML_VBLANK_START_MASK 0x00001FFF 145#define VML_VBLANK_START_SHIFT 0 146#define VML_VBLANK_START_VAL 8192 147 148/* Pipe A Vertical Sync register */ 149#define VML_VSYNC_A 0x00060014 150#define VML_VSYNC_END_MASK 0x1FFF0000 151#define VML_VSYNC_END_SHIFT 16 152#define VML_VSYNC_END_VAL 8192 153#define VML_VSYNC_START_MASK 0x00001FFF 154#define VML_VSYNC_START_SHIFT 0 155#define VML_VSYNC_START_VAL 8192 156 157/* Pipe A Source Image size (minus one - equal to active size) 158 * Programmable while pipe is enabled. 159 */ 160#define VML_PIPEASRC 0x0006001C 161#define VML_PIPEASRC_HMASK 0x0FFF0000 162#define VML_PIPEASRC_HSHIFT 16 163#define VML_PIPEASRC_VMASK 0x00000FFF 164#define VML_PIPEASRC_VSHIFT 0 165 166/* Pipe A Border Color Pattern register (10 bit color) */ 167#define VML_BCLRPAT_A 0x00060020 168 169/* Pipe A Canvas Color register (10 bit color) */ 170#define VML_CANVSCLR_A 0x00060024 171 172/* Pipe A Configuration register */ 173#define VML_PIPEACONF 0x00070008 174#define VML_PIPE_BASE 0x00000000 175#define VML_PIPE_ENABLE 0x80000000 176#define VML_PIPE_FORCE_BORDER 0x02000000 177#define VML_PIPE_PLANES_OFF 0x00080000 178#define VML_PIPE_ARGB_OUTPUT_MODE 0x00040000 179 180/* Pipe A FIFO setting */ 181#define VML_DSPARB 0x00070030 182#define VML_FIFO_DEFAULT 0x00001D9C 183 184/* MDVO rcomp status & pads control register */ 185#define VML_RCOMPSTAT 0x00070048 186#define VML_MDVO_VDC_I_RCOMP 0x80000000 187#define VML_MDVO_POWERSAVE_OFF 0x00000008 188#define VML_MDVO_PAD_ENABLE 0x00000004 189#define VML_MDVO_PULLDOWN_ENABLE 0x00000001 190 191struct vml_par { 192 struct pci_dev *vdc; 193 u64 vdc_mem_base; 194 u64 vdc_mem_size; 195 char __iomem *vdc_mem; 196 197 struct pci_dev *gpu; 198 u64 gpu_mem_base; 199 u64 gpu_mem_size; 200 char __iomem *gpu_mem; 201 202 atomic_t refcount; 203}; 204 205struct vram_area { 206 unsigned long logical; 207 unsigned long phys; 208 unsigned long size; 209 unsigned order; 210}; 211 212struct vml_info { 213 struct fb_info info; 214 struct vml_par *par; 215 struct list_head head; 216 struct vram_area vram[VML_VRAM_AREAS]; 217 u64 vram_start; 218 u64 vram_contig_size; 219 u32 num_areas; 220 void __iomem *vram_logical; 221 u32 pseudo_palette[16]; 222 u32 stride; 223 u32 bytes_per_pixel; 224 atomic_t vmas; 225 int cur_blank_mode; 226 int pipe_disabled; 227}; 228 229/* 230 * Subsystem 231 */ 232 233struct vml_sys { 234 char *name; 235 236 /* 237 * Save / Restore; 238 */ 239 240 int (*save) (struct vml_sys * sys); 241 int (*restore) (struct vml_sys * sys); 242 243 /* 244 * PLL programming; 245 */ 246 247 int (*set_clock) (struct vml_sys * sys, int clock); 248 int (*nearest_clock) (const struct vml_sys * sys, int clock); 249}; 250 251extern int vmlfb_register_subsys(struct vml_sys *sys); 252extern void vmlfb_unregister_subsys(struct vml_sys *sys); 253 254#define VML_READ32(_par, _offset) \ 255 (ioread32((_par)->vdc_mem + (_offset))) 256#define VML_WRITE32(_par, _offset, _value) \ 257 iowrite32(_value, (_par)->vdc_mem + (_offset)) 258 259#endif 260