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path: root/drivers/video/omap2/dss/core.c
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Diffstat (limited to 'drivers/video/omap2/dss/core.c')
-rw-r--r--drivers/video/omap2/dss/core.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
deleted file mode 100644
index 60d3958d04f..00000000000
--- a/drivers/video/omap2/dss/core.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/*
- * linux/drivers/video/omap2/dss/core.c
- *
- * Copyright (C) 2009 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
- *
- * Some code and ideas taken from drivers/video/omap/ driver
- * by Imre Deak.
- *
- * 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/>.
- */
-
-#define DSS_SUBSYS_NAME "CORE"
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/seq_file.h>
-#include <linux/debugfs.h>
-#include <linux/io.h>
-#include <linux/device.h>
-#include <linux/regulator/consumer.h>
-#include <linux/suspend.h>
-#include <linux/slab.h>
-
-#include <video/omapdss.h>
-
-#include "dss.h"
-#include "dss_features.h"
-
-static struct {
- struct platform_device *pdev;
-
- const char *default_display_name;
-} core;
-
-static char *def_disp_name;
-module_param_named(def_disp, def_disp_name, charp, 0);
-MODULE_PARM_DESC(def_disp, "default display name");
-
-static bool dss_initialized;
-
-const char *omapdss_get_default_display_name(void)
-{
- return core.default_display_name;
-}
-EXPORT_SYMBOL(omapdss_get_default_display_name);
-
-enum omapdss_version omapdss_get_version(void)
-{
- struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
- return pdata->version;
-}
-EXPORT_SYMBOL(omapdss_get_version);
-
-bool omapdss_is_initialized(void)
-{
- return dss_initialized;
-}
-EXPORT_SYMBOL(omapdss_is_initialized);
-
-struct platform_device *dss_get_core_pdev(void)
-{
- return core.pdev;
-}
-
-int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask)
-{
- struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
-
- if (!board_data->dsi_enable_pads)
- return -ENOENT;
-
- return board_data->dsi_enable_pads(dsi_id, lane_mask);
-}
-
-void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask)
-{
- struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
-
- if (!board_data->dsi_disable_pads)
- return;
-
- return board_data->dsi_disable_pads(dsi_id, lane_mask);
-}
-
-int dss_set_min_bus_tput(struct device *dev, unsigned long tput)
-{
- struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
-
- if (pdata->set_min_bus_tput)
- return pdata->set_min_bus_tput(dev, tput);
- else
- return 0;
-}
-
-#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
-static int dss_debug_show(struct seq_file *s, void *unused)
-{
- void (*func)(struct seq_file *) = s->private;
- func(s);
- return 0;
-}
-
-static int dss_debug_open(struct inode *inode, struct file *file)
-{
- return single_open(file, dss_debug_show, inode->i_private);
-}
-
-static const struct file_operations dss_debug_fops = {
- .open = dss_debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static struct dentry *dss_debugfs_dir;
-
-static int dss_initialize_debugfs(void)
-{
- dss_debugfs_dir = debugfs_create_dir("omapdss", NULL);
- if (IS_ERR(dss_debugfs_dir)) {
- int err = PTR_ERR(dss_debugfs_dir);
- dss_debugfs_dir = NULL;
- return err;
- }
-
- debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir,
- &dss_debug_dump_clocks, &dss_debug_fops);
-
- return 0;
-}
-
-static void dss_uninitialize_debugfs(void)
-{
- if (dss_debugfs_dir)
- debugfs_remove_recursive(dss_debugfs_dir);
-}
-
-int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
-{
- struct dentry *d;
-
- d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir,
- write, &dss_debug_fops);
-
- return PTR_ERR_OR_ZERO(d);
-}
-#else /* CONFIG_OMAP2_DSS_DEBUGFS */
-static inline int dss_initialize_debugfs(void)
-{
- return 0;
-}
-static inline void dss_uninitialize_debugfs(void)
-{
-}
-int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
-{
- return 0;
-}
-#endif /* CONFIG_OMAP2_DSS_DEBUGFS */
-
-/* PLATFORM DEVICE */
-static int omap_dss_pm_notif(struct notifier_block *b, unsigned long v, void *d)
-{
- DSSDBG("pm notif %lu\n", v);
-
- switch (v) {
- case PM_SUSPEND_PREPARE:
- DSSDBG("suspending displays\n");
- return dss_suspend_all_devices();
-
- case PM_POST_SUSPEND:
- DSSDBG("resuming displays\n");
- return dss_resume_all_devices();
-
- default:
- return 0;
- }
-}
-
-static struct notifier_block omap_dss_pm_notif_block = {
- .notifier_call = omap_dss_pm_notif,
-};
-
-static int __init omap_dss_probe(struct platform_device *pdev)
-{
- struct omap_dss_board_info *pdata = pdev->dev.platform_data;
- int r;
-
- core.pdev = pdev;
-
- dss_features_init(omapdss_get_version());
-
- r = dss_initialize_debugfs();
- if (r)
- goto err_debugfs;
-
- if (def_disp_name)
- core.default_display_name = def_disp_name;
- else if (pdata->default_display_name)
- core.default_display_name = pdata->default_display_name;
- else if (pdata->default_device)
- core.default_display_name = pdata->default_device->name;
-
- register_pm_notifier(&omap_dss_pm_notif_block);
-
- return 0;
-
-err_debugfs:
-
- return r;
-}
-
-static int omap_dss_remove(struct platform_device *pdev)
-{
- unregister_pm_notifier(&omap_dss_pm_notif_block);
-
- dss_uninitialize_debugfs();
-
- return 0;
-}
-
-static void omap_dss_shutdown(struct platform_device *pdev)
-{
- DSSDBG("shutdown\n");
- dss_disable_all_devices();
-}
-
-static struct platform_driver omap_dss_driver = {
- .remove = omap_dss_remove,
- .shutdown = omap_dss_shutdown,
- .driver = {
- .name = "omapdss",
- .owner = THIS_MODULE,
- },
-};
-
-/* INIT */
-static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
-#ifdef CONFIG_OMAP2_DSS_DSI
- dsi_init_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_DPI
- dpi_init_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_SDI
- sdi_init_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_RFBI
- rfbi_init_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_VENC
- venc_init_platform_driver,
-#endif
-#ifdef CONFIG_OMAP4_DSS_HDMI
- hdmi_init_platform_driver,
-#endif
-};
-
-static void (*dss_output_drv_unreg_funcs[])(void) __exitdata = {
-#ifdef CONFIG_OMAP2_DSS_DSI
- dsi_uninit_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_DPI
- dpi_uninit_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_SDI
- sdi_uninit_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_RFBI
- rfbi_uninit_platform_driver,
-#endif
-#ifdef CONFIG_OMAP2_DSS_VENC
- venc_uninit_platform_driver,
-#endif
-#ifdef CONFIG_OMAP4_DSS_HDMI
- hdmi_uninit_platform_driver,
-#endif
-};
-
-static bool dss_output_drv_loaded[ARRAY_SIZE(dss_output_drv_reg_funcs)];
-
-static int __init omap_dss_init(void)
-{
- int r;
- int i;
-
- r = platform_driver_probe(&omap_dss_driver, omap_dss_probe);
- if (r)
- return r;
-
- r = dss_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize DSS platform driver\n");
- goto err_dss;
- }
-
- r = dispc_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize dispc platform driver\n");
- goto err_dispc;
- }
-
- /*
- * It's ok if the output-driver register fails. It happens, for example,
- * when there is no output-device (e.g. SDI for OMAP4).
- */
- for (i = 0; i < ARRAY_SIZE(dss_output_drv_reg_funcs); ++i) {
- r = dss_output_drv_reg_funcs[i]();
- if (r == 0)
- dss_output_drv_loaded[i] = true;
- }
-
- dss_initialized = true;
-
- return 0;
-
-err_dispc:
- dss_uninit_platform_driver();
-err_dss:
- platform_driver_unregister(&omap_dss_driver);
-
- return r;
-}
-
-static void __exit omap_dss_exit(void)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(dss_output_drv_unreg_funcs); ++i) {
- if (dss_output_drv_loaded[i])
- dss_output_drv_unreg_funcs[i]();
- }
-
- dispc_uninit_platform_driver();
- dss_uninit_platform_driver();
-
- platform_driver_unregister(&omap_dss_driver);
-}
-
-module_init(omap_dss_init);
-module_exit(omap_dss_exit);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
-MODULE_DESCRIPTION("OMAP2/3 Display Subsystem");
-MODULE_LICENSE("GPL v2");
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 11:23:26 +0000