![Stepan Moskovchenko](/assets/img/avatar_default.png)
Qualcomm development of the MSM SOC framebuffer driver has diverged significantly from the driver used by Android. This is a snapshot of our current driver, in all it's agony. We are putting this in staging to help with the process of converging the two drivers. At this point, the driver has been tested only in dumb framebuffer mode. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> [dwalker@codeaurora.org: added a small compile fix and TODO.] Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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 WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License 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., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/mm.h>
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#include <linux/fb.h>
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include "msm_fb.h"
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#include "mddihost.h"
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#include "mddihosti.h"
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#include <linux/clk.h>
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#include <mach/clk.h>
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extern struct semaphore mddi_host_mutex;
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static boolean mddi_host_ext_powered = FALSE;
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void mddi_host_start_ext_display(void)
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{
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down(&mddi_host_mutex);
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if (!mddi_host_ext_powered) {
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mddi_host_init(MDDI_HOST_EXT);
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mddi_host_ext_powered = TRUE;
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}
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up(&mddi_host_mutex);
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}
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void mddi_host_stop_ext_display(void)
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{
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down(&mddi_host_mutex);
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if (mddi_host_ext_powered) {
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mddi_host_powerdown(MDDI_HOST_EXT);
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mddi_host_ext_powered = FALSE;
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}
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up(&mddi_host_mutex);
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}
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