[net-next-2.6.git] / drivers / staging / msm / msm_fb_panel.c

/* 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;
}
Commit	Line	Data
9d200153 SM	1	/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
	2	*
	3	* This program is free software; you can redistribute it and/or modify
	4	* it under the terms of the GNU General Public License version 2 and
	5	* only version 2 as published by the Free Software Foundation.
	6	*
	7	* This program is distributed in the hope that it will be useful,
	8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	10	* GNU General Public License for more details.
	11	*
	12	* You should have received a copy of the GNU General Public License
	13	* along with this program; if not, write to the Free Software
	14	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	15	* 02110-1301, USA.
	16	*/
	17
	18	#include <linux/module.h>
	19	#include <linux/moduleparam.h>
	20	#include <linux/kernel.h>
	21	#include <linux/slab.h>
	22	#include <linux/delay.h>
	23	#include <linux/mm.h>
	24	#include <linux/fb.h>
	25	#include <linux/init.h>
	26	#include <linux/ioport.h>
	27	#include <linux/device.h>
	28	#include <linux/dma-mapping.h>
	29	#include <linux/uaccess.h>
	30	#include <linux/workqueue.h>
	31	#include <linux/string.h>
	32	#include <linux/version.h>
	33	#include <linux/proc_fs.h>
	34	#include <linux/vmalloc.h>
	35	#include <linux/debugfs.h>
	36
	37	#include "msm_fb_panel.h"
	38
	39	int panel_next_on(struct platform_device *pdev)
	40	{
	41	int ret = 0;
	42	struct msm_fb_panel_data *pdata;
	43	struct msm_fb_panel_data *next_pdata;
	44	struct platform_device *next_pdev;
	45
	46	pdata = (struct msm_fb_panel_data *)pdev->dev.platform_data;
	47
	48	if (pdata) {
	49	next_pdev = pdata->next;
	50	if (next_pdev) {
	51	next_pdata =
	52	(struct msm_fb_panel_data *)next_pdev->dev.
	53	platform_data;
	54	if ((next_pdata) && (next_pdata->on))
	55	ret = next_pdata->on(next_pdev);
	56	}
	57	}
	58
	59	return ret;
	60	}
	61
	62	int panel_next_off(struct platform_device *pdev)
	63	{
	64	int ret = 0;
65	struct msm_fb_panel_data *pdata;
66	struct msm_fb_panel_data *next_pdata;
67	struct platform_device *next_pdev;
68
69	pdata = (struct msm_fb_panel_data *)pdev->dev.platform_data;
70
71	if (pdata) {
72	next_pdev = pdata->next;
73	if (next_pdev) {
74	next_pdata =
75	(struct msm_fb_panel_data *)next_pdev->dev.
76	platform_data;
77	if ((next_pdata) && (next_pdata->on))
78	ret = next_pdata->off(next_pdev);
79	}
80	}
81
82	return ret;
83	}
84
85	struct platform_device msm_fb_device_alloc(struct msm_fb_panel_data pdata,
86	u32 type, u32 id)
87	{
88	struct platform_device *this_dev = NULL;
89	char dev_name[16];
90
91	switch (type) {
92	case EBI2_PANEL:
93	snprintf(dev_name, sizeof(dev_name), "ebi2_lcd");
94	break;
95
96	case MDDI_PANEL:
97	snprintf(dev_name, sizeof(dev_name), "mddi");
98	break;
99
100	case EXT_MDDI_PANEL:
101	snprintf(dev_name, sizeof(dev_name), "mddi_ext");
102	break;
103
104	case TV_PANEL:
105	snprintf(dev_name, sizeof(dev_name), "tvenc");
106	break;
107
108	case HDMI_PANEL:
109	case LCDC_PANEL:
110	snprintf(dev_name, sizeof(dev_name), "lcdc");
111	break;
112
113	default:
114	return NULL;
115	}
116
117	if (pdata != NULL)
118	pdata->next = NULL;
119	else
120	return NULL;
121
122	this_dev =
123	platform_device_alloc(dev_name, ((u32) type << 16) \| (u32) id);
124
125	if (this_dev) {
126	if (platform_device_add_data
127	(this_dev, pdata, sizeof(struct msm_fb_panel_data))) {
128	printk
129	("msm_fb_device_alloc: platform_device_add_data failed!\n");
130	platform_device_put(this_dev);
131	return NULL;
132	}
133	}
134
135	return this_dev;
136	}