| 1 | /* |
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| 2 | * linux/include/video/pmag-ba-fb.h |
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| 3 | * |
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| 4 | * TURBOchannel PMAG-BA Color Frame Buffer (CFB) card support, |
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| 5 | * Copyright (C) 1999, 2000, 2001 by |
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| 6 | * Michael Engel <engel@unix-ag.org>, |
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| 7 | * Karsten Merker <merker@linuxtag.org> |
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| 8 | * Copyright (c) 2005 Maciej W. Rozycki |
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| 9 | * |
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| 10 | * This file is subject to the terms and conditions of the GNU General |
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| 11 | * Public License. See the file COPYING in the main directory of this |
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| 12 | * archive for more details. |
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| 13 | */ |
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| 14 | |
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| 15 | /* IOmem resource offsets. */ |
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| 16 | #define PMAG_BA_FBMEM 0x000000 /* frame buffer */ |
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| 17 | #define PMAG_BA_BT459 0x200000 /* Bt459 RAMDAC */ |
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| 18 | #define PMAG_BA_IRQ 0x300000 /* IRQ acknowledge */ |
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| 19 | #define PMAG_BA_ROM 0x380000 /* REX option ROM */ |
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| 20 | #define PMAG_BA_BT438 0x380000 /* Bt438 clock chip reset */ |
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| 21 | #define PMAG_BA_SIZE 0x400000 /* address space size */ |
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| 22 | |
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| 23 | /* Bt459 register offsets, byte-wide registers. */ |
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| 24 | #define BT459_ADDR_LO 0x0 /* address low */ |
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| 25 | #define BT459_ADDR_HI 0x4 /* address high */ |
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| 26 | #define BT459_DATA 0x8 /* data window register */ |
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| 27 | #define BT459_CMAP 0xc /* color map window register */ |
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| 28 | |
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