89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/*
|
|
* Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License as published by the Free Software Foundation;
|
|
* either version 2, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
|
|
* the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
* A PARTICULAR PURPOSE.See the GNU General Public License
|
|
* for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc.,
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
/*
|
|
* infrastructure for devices connected via I2C
|
|
*/
|
|
|
|
#include <linux/slab.h>
|
|
#include "via_aux.h"
|
|
|
|
|
|
struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap)
|
|
{
|
|
struct via_aux_bus *bus;
|
|
|
|
if (!adap)
|
|
return NULL;
|
|
|
|
bus = kmalloc(sizeof(*bus), GFP_KERNEL);
|
|
if (!bus)
|
|
return NULL;
|
|
|
|
bus->adap = adap;
|
|
INIT_LIST_HEAD(&bus->drivers);
|
|
|
|
via_aux_edid_probe(bus);
|
|
via_aux_vt1636_probe(bus);
|
|
via_aux_vt1632_probe(bus);
|
|
via_aux_vt1631_probe(bus);
|
|
via_aux_vt1625_probe(bus);
|
|
via_aux_vt1622_probe(bus);
|
|
via_aux_vt1621_probe(bus);
|
|
via_aux_sii164_probe(bus);
|
|
via_aux_ch7301_probe(bus);
|
|
|
|
return bus;
|
|
}
|
|
|
|
void via_aux_free(struct via_aux_bus *bus)
|
|
{
|
|
struct via_aux_drv *pos, *n;
|
|
|
|
if (!bus)
|
|
return;
|
|
|
|
list_for_each_entry_safe(pos, n, &bus->drivers, chain) {
|
|
if (pos->cleanup)
|
|
pos->cleanup(pos);
|
|
|
|
list_del(&pos->chain);
|
|
kfree(pos->data);
|
|
kfree(pos);
|
|
}
|
|
|
|
kfree(bus);
|
|
}
|
|
|
|
const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus)
|
|
{
|
|
struct via_aux_drv *pos;
|
|
const struct fb_videomode *mode = NULL;
|
|
|
|
if (!bus)
|
|
return NULL;
|
|
|
|
list_for_each_entry(pos, &bus->drivers, chain) {
|
|
if (pos->get_preferred_mode)
|
|
mode = pos->get_preferred_mode(pos);
|
|
}
|
|
|
|
return mode;
|
|
}
|