From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/video/fbdev/via/via_aux_sii164.c | 39 ++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 drivers/video/fbdev/via/via_aux_sii164.c (limited to 'drivers/video/fbdev/via/via_aux_sii164.c') diff --git a/drivers/video/fbdev/via/via_aux_sii164.c b/drivers/video/fbdev/via/via_aux_sii164.c new file mode 100644 index 0000000000..90140b2715 --- /dev/null +++ b/drivers/video/fbdev/via/via_aux_sii164.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 2011 Florian Tobias Schandinat + */ +/* + * driver for Silicon Image SiI 164 PanelLink Transmitter + */ + +#include +#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); +} -- cgit v1.2.3