// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
 */
/*
 * driver for Silicon Image SiI 164 PanelLink Transmitter
 */

#include <linux/slab.h>
#include "via_aux.h"


static const char *name = "SiI 164 PanelLink Transmitter";


static void probe(struct via_aux_bus *bus, u8 addr)
{
        struct via_aux_drv drv = {
                .bus    =       bus,
                .addr   =       addr,
                .name   =       name};
        /* check vendor id and device id */
        const u8 id[] = {0x01, 0x00, 0x06, 0x00}, len = ARRAY_SIZE(id);
        u8 tmp[ARRAY_SIZE(id)];

        if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
                return;

        printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
        via_aux_add(&drv);
}

void via_aux_sii164_probe(struct via_aux_bus *bus)
{
        u8 i;

        for (i = 0x38; i <= 0x3F; i++)
                probe(bus, i);
}