diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/core.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/core.c | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/core.c b/drivers/gpu/drm/omapdrm/dss/core.c deleted file mode 100644 index bdce4bfdf6e0..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/core.c +++ /dev/null @@ -1,283 +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 "omapdss.h" -#include "dss.h" -#include "dss_features.h" - -static struct { - struct platform_device *pdev; -} core; - -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); - -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 void dss_disable_all_devices(void) -{ - struct omap_dss_device *dssdev = NULL; - - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; - - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) - dssdev->driver->disable(dssdev); - } -} - -static int __init omap_dss_probe(struct platform_device *pdev) -{ - int r; - - core.pdev = pdev; - - dss_features_init(omapdss_get_version()); - - r = dss_initialize_debugfs(); - if (r) - goto err_debugfs; - - return 0; - -err_debugfs: - - return r; -} - -static int omap_dss_remove(struct platform_device *pdev) -{ - 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", - }, -}; - -/* INIT */ -static int (*dss_output_drv_reg_funcs[])(void) __initdata = { - dss_init_platform_driver, - dispc_init_platform_driver, -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_init_platform_driver, -#endif -#ifdef CONFIG_OMAP2_DSS_VENC - venc_init_platform_driver, -#endif -#ifdef CONFIG_OMAP4_DSS_HDMI - hdmi4_init_platform_driver, -#endif -#ifdef CONFIG_OMAP5_DSS_HDMI - hdmi5_init_platform_driver, -#endif -}; - -static void (*dss_output_drv_unreg_funcs[])(void) = { -#ifdef CONFIG_OMAP5_DSS_HDMI - hdmi5_uninit_platform_driver, -#endif -#ifdef CONFIG_OMAP4_DSS_HDMI - hdmi4_uninit_platform_driver, -#endif -#ifdef CONFIG_OMAP2_DSS_VENC - venc_uninit_platform_driver, -#endif -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_uninit_platform_driver, -#endif - dispc_uninit_platform_driver, - dss_uninit_platform_driver, -}; - -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; - - for (i = 0; i < ARRAY_SIZE(dss_output_drv_reg_funcs); ++i) { - r = dss_output_drv_reg_funcs[i](); - if (r) - goto err_reg; - } - - return 0; - -err_reg: - for (i = ARRAY_SIZE(dss_output_drv_reg_funcs) - i; - i < ARRAY_SIZE(dss_output_drv_reg_funcs); - ++i) - dss_output_drv_unreg_funcs[i](); - - 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) - dss_output_drv_unreg_funcs[i](); - - 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"); - |