diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/core.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/core.c | 190 |
1 files changed, 10 insertions, 180 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/core.c b/drivers/gpu/drm/omapdrm/dss/core.c index bdce4bfdf6e0..197ddbc1512b 100644 --- a/drivers/gpu/drm/omapdrm/dss/core.c +++ b/drivers/gpu/drm/omapdrm/dss/core.c @@ -24,182 +24,10 @@ #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 = { @@ -236,21 +64,25 @@ static void (*dss_output_drv_unreg_funcs[])(void) = { dss_uninit_platform_driver, }; +static struct platform_device *omap_drm_device; + 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; } + omap_drm_device = platform_device_register_simple("omapdrm", 0, NULL, 0); + if (IS_ERR(omap_drm_device)) { + r = PTR_ERR(omap_drm_device); + goto err_reg; + } + return 0; err_reg: @@ -259,8 +91,6 @@ err_reg: ++i) dss_output_drv_unreg_funcs[i](); - platform_driver_unregister(&omap_dss_driver); - return r; } @@ -268,10 +98,10 @@ static void __exit omap_dss_exit(void) { int i; + platform_device_unregister(omap_drm_device); + 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); |