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IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
[mirror_ubuntu-artful-kernel.git] / drivers / video / aty / atyfb_base.c
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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
29