1/*
 2 * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of the GNU General Public
 6 * License as published by the Free Software Foundation;
 7 * either version 2, or (at your option) any later version.
 8 *
 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
11 * the implied warranty of MERCHANTABILITY or FITNESS FOR
12 * A PARTICULAR PURPOSE.See the GNU General Public License
13 * for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20/*
21 * infrastructure for devices connected via I2C
22 */
23
24#include <linux/slab.h>
25#include "via_aux.h"
26
27
28struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap)
29{
30	struct via_aux_bus *bus;
31
32	if (!adap)
33		return NULL;
34
35	bus = kmalloc(sizeof(*bus), GFP_KERNEL);
36	if (!bus)
37		return NULL;
38
39	bus->adap = adap;
40	INIT_LIST_HEAD(&bus->drivers);
41
42	via_aux_edid_probe(bus);
43	via_aux_vt1636_probe(bus);
44	via_aux_vt1632_probe(bus);
45	via_aux_vt1631_probe(bus);
46	via_aux_vt1625_probe(bus);
47	via_aux_vt1622_probe(bus);
48	via_aux_vt1621_probe(bus);
49	via_aux_sii164_probe(bus);
50	via_aux_ch7301_probe(bus);
51
52	return bus;
53}
54
55void via_aux_free(struct via_aux_bus *bus)
56{
57	struct via_aux_drv *pos, *n;
58
59	if (!bus)
60		return;
61
62	list_for_each_entry_safe(pos, n, &bus->drivers, chain) {
63		if (pos->cleanup)
64			pos->cleanup(pos);
65
66		list_del(&pos->chain);
67		kfree(pos->data);
68		kfree(pos);
69	}
70
71	kfree(bus);
72}
73
74const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus)
75{
76	struct via_aux_drv *pos;
77	const struct fb_videomode *mode = NULL;
78
79	if (!bus)
80		return NULL;
81
82	list_for_each_entry(pos, &bus->drivers, chain) {
83		if (pos->get_preferred_mode)
84			mode = pos->get_preferred_mode(pos);
85	}
86
87	return mode;
88}

 1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5/*
 6 * infrastructure for devices connected via I2C
 7 */
 8
 9#include <linux/slab.h>
10#include "via_aux.h"
11
12
13struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap)
14{
15	struct via_aux_bus *bus;
16
17	if (!adap)
18		return NULL;
19
20	bus = kmalloc(sizeof(*bus), GFP_KERNEL);
21	if (!bus)
22		return NULL;
23
24	bus->adap = adap;
25	INIT_LIST_HEAD(&bus->drivers);
26
27	via_aux_edid_probe(bus);
28	via_aux_vt1636_probe(bus);
29	via_aux_vt1632_probe(bus);
30	via_aux_vt1631_probe(bus);
31	via_aux_vt1625_probe(bus);
32	via_aux_vt1622_probe(bus);
33	via_aux_vt1621_probe(bus);
34	via_aux_sii164_probe(bus);
35	via_aux_ch7301_probe(bus);
36
37	return bus;
38}
39
40void via_aux_free(struct via_aux_bus *bus)
41{
42	struct via_aux_drv *pos, *n;
43
44	if (!bus)
45		return;
46
47	list_for_each_entry_safe(pos, n, &bus->drivers, chain) {
48		if (pos->cleanup)
49			pos->cleanup(pos);
50
51		list_del(&pos->chain);
52		kfree(pos->data);
53		kfree(pos);
54	}
55
56	kfree(bus);
57}
58
59const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus)
60{
61	struct via_aux_drv *pos;
62	const struct fb_videomode *mode = NULL;
63
64	if (!bus)
65		return NULL;
66
67	list_for_each_entry(pos, &bus->drivers, chain) {
68		if (pos->get_preferred_mode)
69			mode = pos->get_preferred_mode(pos);
70	}
71
72	return mode;
73}