projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * ATI Frame Buffer Device Driver Core | |
| 3 | * | |
| 4 | * Copyright (C) 2004 Alex Kern <alex.kern@gmx.de> | |
| 5 | * Copyright (C) 1997-2001 Geert Uytterhoeven | |
| 6 | * Copyright (C) 1998 Bernd Harries | |
| 7 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | |
| 8 | * | |
| 9 | * This driver supports the following ATI graphics chips: | |
| 10 | * - ATI Mach64 | |
| 11 | * | |
| 12 | * To do: add support for | |
| 13 | * - ATI Rage128 (from aty128fb.c) | |
| 14 | * - ATI Radeon (from radeonfb.c) | |
| 15 | * | |
| 16 | * This driver is partly based on the PowerMac console driver: | |
| 17 | * | |
| 18 | * Copyright (C) 1996 Paul Mackerras | |
| 19 | * | |
| 20 | * and on the PowerMac ATI/mach64 display driver: | |
| 21 | * | |
| 22 | * Copyright (C) 1997 Michael AK Tesch | |
| 23 | * | |
| 24 | * with work by Jon Howell | |
| 25 | * Harry AC Eaton | |
| 26 | * Anthony Tong <atong@uiuc.edu> | |
| 27 | * | |
| 28 | * Generic LCD support written by Daniel Mantione, ported from 2.4.20 by Alex Kern | |
| 96de0e25 | 29 | * Many Thanks to Ville Syrjälä for patches and fixing nasting 16 bit color bug. |
| 1da177e4 LT |
30 | * |
| 31 | * This file is subject to the terms and conditions of the GNU General Public | |
| 32 | * License. See the file COPYING in the main directory of this archive for | |
| 33 | * more details. | |
| 34 | * | |
| 35 | * Many thanks to Nitya from ATI devrel for support and patience ! | |
| 36 | */ | |
| 37 | ||
| 38 | /****************************************************************************** | |
| 39 | ||
| 40 | TODO: | |
| 41 | ||
| 42 | - cursor support on all cards and all ramdacs. | |
| 43 | - cursor parameters controlable via ioctl()s. | |
| 44 | - guess PLL and MCLK based on the original PLL register values initialized | |
| 45 | by Open Firmware (if they are initialized). BIOS is done | |
| 46 | ||
| 47 | (Anyone with Mac to help with this?) | |
| 48 | ||
| 49 | ******************************************************************************/ | |
| 50 | ||
| 51 | ||
| 1da177e4 LT |
52 | #include <linux/module.h> |
| 53 | #include <linux/moduleparam.h> | |
| 54 | #include <linux/kernel.h> | |
| 55 | #include <linux/errno.h> | |
| 56 | #include <linux/string.h> | |
| 57 | #include <linux/mm.h> | |
| 58 | #include <linux/slab.h> | |
| 59 | #include <linux/vmalloc.h> | |
| 60 | #include <linux/delay.h> | |
| 61 | #include <linux/console.h> | |
| 62 | #include <linux/fb.h> | |
| 63 | #include <linux/init.h> | |
| 64 | #include <linux/pci.h> | |
| 65 | #include <linux/interrupt.h> | |
| 66 | #include <linux/spinlock.h> | |
| 67 | #include <linux/wait.h> | |
| 5474c120 | 68 | #include <linux/backlight.h> |
| 1da177e4 LT |
69 | |
| 70 | #include <asm/io.h> | |
| 84902b7a | 71 | #include <linux/uaccess.h> |
| 1da177e4 LT |
72 | |
| 73 | #include <video/mach64.h> | |
| 74 | #include "atyfb.h" | |
| 75 | #include "ati_ids.h" | |
| 76 | ||
| 77 | #ifdef __powerpc__ | |
| e8222502 | 78 | #include <asm/machdep.h> |
| 1da177e4 LT |
79 | #include <asm/prom.h> |
| 80 | #include "../macmodes.h" | |
| 81 | #endif | |
| 82 | #ifdef __sparc__ | |
| 1da177e4 | 83 | #include <asm/fbio.h> |
| 63c3f460 DM |
84 | #include <asm/oplib.h> |
| 85 | #include <asm/prom.h> | |
| 1da177e4 LT |
86 | #endif |
| 87 | ||
| 88 | #ifdef CONFIG_ADB_PMU | |
| 89 | #include <linux/adb.h> | |
| 90 | #include <linux/pmu.h> | |
| 91 | #endif | |
| 92 | #ifdef CONFIG_BOOTX_TEXT | |
| 93 | #include <asm/btext.h> | |
| 94 | #endif | |
| 95 | #ifdef CONFIG_PMAC_BACKLIGHT | |
| 96 | #include <asm/backlight.h> | |
| 97 | #endif | |
| 98 | #ifdef CONFIG_MTRR | |
| 99 | #include <asm/mtrr.h> | |
| 100 | #endif | |
| 101 | ||
| 102 | /* | |
| 103 | * Debug flags. | |
| 104 | */ | |
| 105 | #undef DEBUG | |
| 106 | /*#define DEBUG*/ | |
| 107 | ||
| 108 | /* Make sure n * PAGE_SIZE is protected at end of Aperture for GUI-regs */ | |
| 109 | /* - must be large enough to catch all GUI-Regs */ | |
| 110 | /* - must be aligned to a PAGE boundary */ | |
| 111 | #define GUI_RESERVE (1 * PAGE_SIZE) | |
| 112 | ||
| 113 | /* FIXME: remove the FAIL definition */ |