mirror of
https://github.com/joel16/android_kernel_sony_msm8994_rework.git
synced 2024-12-28 06:54:55 +00:00
c40fae9525
This patch syncs omap specific core code with linux-omap. Most of the changes are needed to fix bitrot caused by driver updates in linux-omap tree. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
/*
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* File: arch/arm/plat-omap/fb.c
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*
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* Framebuffer device registration for TI OMAP platforms
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*
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* Copyright (C) 2006 Nokia Corporation
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* Author: Imre Deak <imre.deak@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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/init.h>
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#include <linux/platform_device.h>
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#include <linux/bootmem.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <asm/mach/map.h>
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#include <asm/arch/board.h>
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#include <asm/arch/sram.h>
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#include <asm/arch/omapfb.h>
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#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
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static struct omapfb_platform_data omapfb_config;
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static u64 omap_fb_dma_mask = ~(u32)0;
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static struct platform_device omap_fb_device = {
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.name = "omapfb",
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.id = -1,
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.dev = {
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.dma_mask = &omap_fb_dma_mask,
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.coherent_dma_mask = ~(u32)0,
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.platform_data = &omapfb_config,
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},
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.num_resources = 0,
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};
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/* called from map_io */
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void omapfb_reserve_mem(void)
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{
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const struct omap_fbmem_config *fbmem_conf;
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unsigned long total_size;
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int i;
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if (!omap_fb_sram_valid) {
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/* FBMEM SRAM configuration was already found to be invalid.
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* Ignore the whole configuration block. */
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omapfb_config.mem_desc.region_cnt = 0;
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return;
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}
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i = 0;
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total_size = 0;
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while ((fbmem_conf = omap_get_nr_config(OMAP_TAG_FBMEM,
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struct omap_fbmem_config, i)) != NULL) {
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unsigned long start;
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unsigned long size;
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if (i == OMAPFB_PLANE_NUM) {
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printk(KERN_ERR "ignoring extra plane info\n");
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break;
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}
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start = fbmem_conf->start;
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size = fbmem_conf->size;
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omapfb_config.mem_desc.region[i].paddr = start;
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omapfb_config.mem_desc.region[i].size = size;
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if (omap_fb_sram_plane != i && start) {
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reserve_bootmem(start, size);
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total_size += size;
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}
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i++;
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}
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omapfb_config.mem_desc.region_cnt = i;
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if (total_size)
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pr_info("Reserving %lu bytes SDRAM for frame buffer\n",
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total_size);
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}
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void omapfb_set_ctrl_platform_data(void *data)
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{
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omapfb_config.ctrl_platform_data = data;
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}
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static inline int omap_init_fb(void)
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{
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const struct omap_lcd_config *conf;
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conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
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if (conf == NULL)
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return 0;
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omapfb_config.lcd = *conf;
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return platform_device_register(&omap_fb_device);
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}
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arch_initcall(omap_init_fb);
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#else
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void omapfb_reserve_mem(void) {}
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#endif
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