mirror of
https://github.com/followmsi/android_kernel_google_msm.git
synced 2024-11-06 23:17:41 +00:00
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/* drivers/video/msm_fb/mddi_client_dummy.c
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*
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* Support for "dummy" mddi client devices which require no
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* special initialization code.
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*
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* Copyright (C) 2007 Google Incorporated
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <mach/msm_fb.h>
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struct panel_info {
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struct platform_device pdev;
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struct msm_panel_data panel_data;
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};
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static int mddi_dummy_suspend(struct msm_panel_data *panel_data)
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{
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return 0;
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}
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static int mddi_dummy_resume(struct msm_panel_data *panel_data)
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{
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return 0;
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}
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static int mddi_dummy_blank(struct msm_panel_data *panel_data)
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{
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return 0;
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}
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static int mddi_dummy_unblank(struct msm_panel_data *panel_data)
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{
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return 0;
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}
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static int mddi_dummy_probe(struct platform_device *pdev)
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{
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struct msm_mddi_client_data *client_data = pdev->dev.platform_data;
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struct panel_info *panel =
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kzalloc(sizeof(struct panel_info), GFP_KERNEL);
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int ret;
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if (!panel)
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return -ENOMEM;
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platform_set_drvdata(pdev, panel);
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panel->panel_data.suspend = mddi_dummy_suspend;
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panel->panel_data.resume = mddi_dummy_resume;
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panel->panel_data.blank = mddi_dummy_blank;
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panel->panel_data.unblank = mddi_dummy_unblank;
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panel->panel_data.caps = MSMFB_CAP_PARTIAL_UPDATES;
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panel->pdev.name = "msm_panel";
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panel->pdev.id = pdev->id;
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platform_device_add_resources(&panel->pdev,
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client_data->fb_resource, 1);
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panel->panel_data.fb_data = client_data->private_client_data;
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panel->pdev.dev.platform_data = &panel->panel_data;
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ret = platform_device_register(&panel->pdev);
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if (ret) {
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kfree(panel);
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return ret;
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}
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return 0;
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}
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static int mddi_dummy_remove(struct platform_device *pdev)
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{
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struct panel_info *panel = platform_get_drvdata(pdev);
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kfree(panel);
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return 0;
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}
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static struct platform_driver mddi_client_dummy = {
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.probe = mddi_dummy_probe,
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.remove = mddi_dummy_remove,
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.driver = { .name = "mddi_c_dummy" },
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};
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static int __init mddi_client_dummy_init(void)
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{
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platform_driver_register(&mddi_client_dummy);
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return 0;
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}
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module_init(mddi_client_dummy_init);
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