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https://github.com/edk2-porting/linux-next.git
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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
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/*
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* Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* driver for VIA VT1632 DVI Transmitter
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*/
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#include <linux/slab.h>
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#include "via_aux.h"
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static const char *name = "VT1632 DVI Transmitter";
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static void probe(struct via_aux_bus *bus, u8 addr)
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{
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struct via_aux_drv drv = {
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.bus = bus,
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.addr = addr,
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.name = name};
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/* check vendor id and device id */
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const u8 id[] = {0x06, 0x11, 0x92, 0x31}, len = ARRAY_SIZE(id);
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u8 tmp[len];
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if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
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return;
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printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
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via_aux_add(&drv);
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}
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void via_aux_vt1632_probe(struct via_aux_bus *bus)
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{
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u8 i;
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for (i = 0x08; i <= 0x0F; i++)
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probe(bus, i);
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}
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