diff options
Diffstat (limited to 'drivers/video/omap2/dss/hdmi_panel.c')
| -rw-r--r-- | drivers/video/omap2/dss/hdmi_panel.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/drivers/video/omap2/dss/hdmi_panel.c b/drivers/video/omap2/dss/hdmi_panel.c deleted file mode 100644 index 533d5dc634d..00000000000 --- a/drivers/video/omap2/dss/hdmi_panel.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * hdmi_panel.c - * - * HDMI library support functions for TI OMAP4 processors. - * - * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/ - * Authors: Mythri P k <mythripk@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License 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, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/kernel.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/mutex.h> -#include <linux/module.h> -#include <video/omapdss.h> -#include <linux/slab.h> - -#include "dss.h" - -static struct { - struct mutex hdmi_lock; -} hdmi; - - -static int hdmi_panel_probe(struct omap_dss_device *dssdev) -{ - DSSDBG("ENTER hdmi_panel_probe\n"); - - dssdev->panel.config = OMAP_DSS_LCD_TFT | - OMAP_DSS_LCD_IVS | OMAP_DSS_LCD_IHS; - - dssdev->panel.timings = (struct omap_video_timings){640, 480, 25175, 96, 16, 48, 2 , 11, 31}; - - DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n", - dssdev->panel.timings.x_res, - dssdev->panel.timings.y_res); - return 0; -} - -static void hdmi_panel_remove(struct omap_dss_device *dssdev) -{ - -} - -static int hdmi_panel_enable(struct omap_dss_device *dssdev) -{ - int r = 0; - DSSDBG("ENTER hdmi_panel_enable\n"); - - mutex_lock(&hdmi.hdmi_lock); - - if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) { - r = -EINVAL; - goto err; - } - - r = omapdss_hdmi_display_enable(dssdev); - if (r) { - DSSERR("failed to power on\n"); - goto err; - } - - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - -err: - mutex_unlock(&hdmi.hdmi_lock); - - return r; -} - -static void hdmi_panel_disable(struct omap_dss_device *dssdev) -{ - mutex_lock(&hdmi.hdmi_lock); - - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) - omapdss_hdmi_display_disable(dssdev); - - dssdev->state = OMAP_DSS_DISPLAY_DISABLED; - - mutex_unlock(&hdmi.hdmi_lock); -} - -static int hdmi_panel_suspend(struct omap_dss_device *dssdev) -{ - int r = 0; - - mutex_lock(&hdmi.hdmi_lock); - - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { - r = -EINVAL; - goto err; - } - - dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; - - omapdss_hdmi_display_disable(dssdev); - -err: - mutex_unlock(&hdmi.hdmi_lock); - - return r; -} - -static int hdmi_panel_resume(struct omap_dss_device *dssdev) -{ - int r = 0; - - mutex_lock(&hdmi.hdmi_lock); - - if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) { - r = -EINVAL; - goto err; - } - - r = omapdss_hdmi_display_enable(dssdev); - if (r) { - DSSERR("failed to power on\n"); - goto err; - } - - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - -err: - mutex_unlock(&hdmi.hdmi_lock); - - return r; -} - -static void hdmi_get_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - mutex_lock(&hdmi.hdmi_lock); - - *timings = dssdev->panel.timings; - - mutex_unlock(&hdmi.hdmi_lock); -} - -static void hdmi_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - DSSDBG("hdmi_set_timings\n"); - - mutex_lock(&hdmi.hdmi_lock); - - dssdev->panel.timings = *timings; - omapdss_hdmi_display_set_timing(dssdev); - - mutex_unlock(&hdmi.hdmi_lock); -} - -static int hdmi_check_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - int r = 0; - - DSSDBG("hdmi_check_timings\n"); - - mutex_lock(&hdmi.hdmi_lock); - - r = omapdss_hdmi_display_check_timing(dssdev, timings); - - mutex_unlock(&hdmi.hdmi_lock); - return r; -} - -static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len) -{ - int r; - - mutex_lock(&hdmi.hdmi_lock); - - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { - r = omapdss_hdmi_display_enable(dssdev); - if (r) - goto err; - } - - r = omapdss_hdmi_read_edid(buf, len); - - if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED || - dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) - omapdss_hdmi_display_disable(dssdev); -err: - mutex_unlock(&hdmi.hdmi_lock); - - return r; -} - -static bool hdmi_detect(struct omap_dss_device *dssdev) -{ - int r; - - mutex_lock(&hdmi.hdmi_lock); - - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { - r = omapdss_hdmi_display_enable(dssdev); - if (r) - goto err; - } - - r = omapdss_hdmi_detect(); - - if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED || - dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) - omapdss_hdmi_display_disable(dssdev); -err: - mutex_unlock(&hdmi.hdmi_lock); - - return r; -} - -static struct omap_dss_driver hdmi_driver = { - .probe = hdmi_panel_probe, - .remove = hdmi_panel_remove, - .enable = hdmi_panel_enable, - .disable = hdmi_panel_disable, - .suspend = hdmi_panel_suspend, - .resume = hdmi_panel_resume, - .get_timings = hdmi_get_timings, - .set_timings = hdmi_set_timings, - .check_timings = hdmi_check_timings, - .read_edid = hdmi_read_edid, - .detect = hdmi_detect, - .driver = { - .name = "hdmi_panel", - .owner = THIS_MODULE, - }, -}; - -int hdmi_panel_init(void) -{ - mutex_init(&hdmi.hdmi_lock); - - omap_dss_register_driver(&hdmi_driver); - - return 0; -} - -void hdmi_panel_exit(void) -{ - omap_dss_unregister_driver(&hdmi_driver); - -} |