redonkable/remarkable-linux
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OMAP2, 3: DSS2: Create new file display.c for central dss driver registration.

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A new file display.c is introduced for display driver init, which adds a function
omap_display_init to do the DSS driver registration. This is the first step in moving
away registration of DSS from board files into a common place.

Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Sumit Semwal 2011-01-24 06:21:54 +00:00 committed by Tomi Valkeinen
parent 1dde9732d5
commit b7ee79abcc
3 changed files with 59 additions and 0 deletions
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3
arch/arm/mach-omap2/Makefile
View file

@ -245,3 +245,6 @@ obj-y += $(smc91x-m) $(smc91x-y)
smsc911x-$(CONFIG_SMSC911X) := gpmc-smsc911x.o
obj-y += $(smsc911x-m) $(smsc911x-y)
obj-$(CONFIG_ARCH_OMAP4) += hwspinlock.o
disp-$(CONFIG_OMAP2_DSS) := display.o
obj-y += $(disp-m) $(disp-y)

45
arch/arm/mach-omap2/display.c Normal file
View file

@ -0,0 +1,45 @@
/*
* OMAP2plus display device setup / initialization.
*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
* Senthilvadivu Guruswamy
* Sumit Semwal
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <plat/display.h>
static struct platform_device omap_display_device = {
.name = "omapdss",
.id = -1,
.dev = {
.platform_data = NULL,
},
};
int __init omap_display_init(struct omap_dss_board_info *board_data)
{
int r = 0;
omap_display_device.dev.platform_data = board_data;
r = platform_device_register(&omap_display_device);
if (r < 0)
printk(KERN_ERR "Unable to register OMAP-Display device\n");
return r;
}

11
arch/arm/plat-omap/include/plat/display.h
View file

@ -23,6 +23,7 @@
#include <linux/list.h>
#include <linux/kobject.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <asm/atomic.h>
#define DISPC_IRQ_FRAMEDONE (1 << 0)
@ -226,6 +227,16 @@ struct omap_dss_board_info {
struct omap_dss_device *default_device;
};
#if defined(CONFIG_OMAP2_DSS_MODULE) || defined(CONFIG_OMAP2_DSS)
/* Init with the board info */
extern int omap_display_init(struct omap_dss_board_info *board_data);
#else
static inline int omap_display_init(struct omap_dss_board_info *board_data)
{
return 0;
}
#endif
struct omap_video_timings {
/* Unit: pixels */
u16 x_res;