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39 lines
810 B
39 lines
810 B
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright 2011 Florian Tobias Schandinat <[email protected]> |
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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[ARRAY_SIZE(id)]; |
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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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