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https://github.com/edk2-porting/linux-next.git
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5dc5f61813
This patch adds support for using EDID data on CRT and DVP1 for initial configuration if viafb_mode or viafb_mode1 are not present. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/*
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* Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* infrastructure for devices connected via I2C
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*/
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#include <linux/slab.h>
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#include "via_aux.h"
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struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap)
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{
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struct via_aux_bus *bus;
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if (!adap)
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return NULL;
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bus = kmalloc(sizeof(*bus), GFP_KERNEL);
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if (!bus)
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return NULL;
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bus->adap = adap;
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INIT_LIST_HEAD(&bus->drivers);
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via_aux_edid_probe(bus);
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via_aux_vt1636_probe(bus);
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via_aux_vt1632_probe(bus);
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via_aux_vt1631_probe(bus);
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via_aux_vt1625_probe(bus);
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via_aux_vt1622_probe(bus);
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via_aux_vt1621_probe(bus);
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via_aux_sii164_probe(bus);
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via_aux_ch7301_probe(bus);
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return bus;
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}
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void via_aux_free(struct via_aux_bus *bus)
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{
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struct via_aux_drv *pos, *n;
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if (!bus)
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return;
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list_for_each_entry_safe(pos, n, &bus->drivers, chain) {
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if (pos->cleanup)
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pos->cleanup(pos);
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list_del(&pos->chain);
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kfree(pos->data);
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kfree(pos);
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}
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kfree(bus);
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}
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const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus)
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{
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struct via_aux_drv *pos;
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const struct fb_videomode *mode = NULL;
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if (!bus)
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return NULL;
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list_for_each_entry(pos, &bus->drivers, chain) {
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if (pos->get_preferred_mode)
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mode = pos->get_preferred_mode(pos);
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}
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return mode;
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}
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