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path: root/drivers/staging/msm/msm_fb_panel.c
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Diffstat (limited to 'drivers/staging/msm/msm_fb_panel.c')
-rw-r--r--drivers/staging/msm/msm_fb_panel.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/staging/msm/msm_fb_panel.c b/drivers/staging/msm/msm_fb_panel.c
new file mode 100644
index 000000000000..b17a239a1bc7
--- /dev/null
+++ b/drivers/staging/msm/msm_fb_panel.c
@@ -0,0 +1,136 @@
+/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/uaccess.h>
+#include <linux/workqueue.h>
+#include <linux/string.h>
+#include <linux/version.h>
+#include <linux/proc_fs.h>
+#include <linux/vmalloc.h>
+#include <linux/debugfs.h>
+
+#include "msm_fb_panel.h"
+
+int panel_next_on(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct msm_fb_panel_data *pdata;
+ struct msm_fb_panel_data *next_pdata;
+ struct platform_device *next_pdev;
+
+ pdata = (struct msm_fb_panel_data *)pdev->dev.platform_data;
+
+ if (pdata) {
+ next_pdev = pdata->next;
+ if (next_pdev) {
+ next_pdata =
+ (struct msm_fb_panel_data *)next_pdev->dev.
+ platform_data;
+ if ((next_pdata) && (next_pdata->on))
+ ret = next_pdata->on(next_pdev);
+ }
+ }
+
+ return ret;
+}
+
+int panel_next_off(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct msm_fb_panel_data *pdata;
+ struct msm_fb_panel_data *next_pdata;
+ struct platform_device *next_pdev;
+
+ pdata = (struct msm_fb_panel_data *)pdev->dev.platform_data;
+
+ if (pdata) {
+ next_pdev = pdata->next;
+ if (next_pdev) {
+ next_pdata =
+ (struct msm_fb_panel_data *)next_pdev->dev.
+ platform_data;
+ if ((next_pdata) && (next_pdata->on))
+ ret = next_pdata->off(next_pdev);
+ }
+ }
+
+ return ret;
+}
+
+struct platform_device *msm_fb_device_alloc(struct msm_fb_panel_data *pdata,
+ u32 type, u32 id)
+{
+ struct platform_device *this_dev = NULL;
+ char dev_name[16];
+
+ switch (type) {
+ case EBI2_PANEL:
+ snprintf(dev_name, sizeof(dev_name), "ebi2_lcd");
+ break;
+
+ case MDDI_PANEL:
+ snprintf(dev_name, sizeof(dev_name), "mddi");
+ break;
+
+ case EXT_MDDI_PANEL:
+ snprintf(dev_name, sizeof(dev_name), "mddi_ext");
+ break;
+
+ case TV_PANEL:
+ snprintf(dev_name, sizeof(dev_name), "tvenc");
+ break;
+
+ case HDMI_PANEL:
+ case LCDC_PANEL:
+ snprintf(dev_name, sizeof(dev_name), "lcdc");
+ break;
+
+ default:
+ return NULL;
+ }
+
+ if (pdata != NULL)
+ pdata->next = NULL;
+ else
+ return NULL;
+
+ this_dev =
+ platform_device_alloc(dev_name, ((u32) type << 16) | (u32) id);
+
+ if (this_dev) {
+ if (platform_device_add_data
+ (this_dev, pdata, sizeof(struct msm_fb_panel_data))) {
+ printk
+ ("msm_fb_device_alloc: platform_device_add_data failed!\n");
+ platform_device_put(this_dev);
+ return NULL;
+ }
+ }
+
+ return this_dev;
+}