137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
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/* 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/moduleparam.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 <linux/uaccess.h>
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#include <linux/workqueue.h>
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#include <linux/string.h>
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#include <linux/version.h>
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#include <linux/proc_fs.h>
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#include <linux/vmalloc.h>
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#include <linux/debugfs.h>
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#include "msm_fb_panel.h"
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int panel_next_on(struct platform_device *pdev)
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{
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int ret = 0;
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struct msm_fb_panel_data *pdata;
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struct msm_fb_panel_data *next_pdata;
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struct platform_device *next_pdev;
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pdata = (struct msm_fb_panel_data *)pdev->dev.platform_data;
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if (pdata) {
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next_pdev = pdata->next;
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if (next_pdev) {
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next_pdata =
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(struct msm_fb_panel_data *)next_pdev->dev.
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platform_data;
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if ((next_pdata) && (next_pdata->on))
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ret = next_pdata->on(next_pdev);
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}
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}
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return ret;
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}
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int panel_next_off(struct platform_device *pdev)
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{
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int ret = 0;
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struct msm_fb_panel_data *pdata;
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struct msm_fb_panel_data *next_pdata;
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struct platform_device *next_pdev;
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pdata = (struct msm_fb_panel_data *)pdev->dev.platform_data;
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if (pdata) {
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next_pdev = pdata->next;
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if (next_pdev) {
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next_pdata =
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(struct msm_fb_panel_data *)next_pdev->dev.
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platform_data;
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if ((next_pdata) && (next_pdata->on))
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ret = next_pdata->off(next_pdev);
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}
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}
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return ret;
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}
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struct platform_device *msm_fb_device_alloc(struct msm_fb_panel_data *pdata,
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u32 type, u32 id)
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{
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struct platform_device *this_dev = NULL;
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char dev_name[16];
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switch (type) {
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case EBI2_PANEL:
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snprintf(dev_name, sizeof(dev_name), "ebi2_lcd");
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break;
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case MDDI_PANEL:
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snprintf(dev_name, sizeof(dev_name), "mddi");
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break;
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case EXT_MDDI_PANEL:
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snprintf(dev_name, sizeof(dev_name), "mddi_ext");
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break;
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case TV_PANEL:
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snprintf(dev_name, sizeof(dev_name), "tvenc");
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break;
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case HDMI_PANEL:
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case LCDC_PANEL:
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snprintf(dev_name, sizeof(dev_name), "lcdc");
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break;
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default:
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return NULL;
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}
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if (pdata != NULL)
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pdata->next = NULL;
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else
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return NULL;
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this_dev =
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platform_device_alloc(dev_name, ((u32) type << 16) | (u32) id);
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if (this_dev) {
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if (platform_device_add_data
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(this_dev, pdata, sizeof(struct msm_fb_panel_data))) {
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printk
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("msm_fb_device_alloc: platform_device_add_data failed!\n");
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platform_device_put(this_dev);
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return NULL;
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}
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}
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return this_dev;
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}
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