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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-11-20 11:58:47 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-08-30 08:51:10 +0300
commitb3864299c1602efabcdb87d0264a45845530b7c9 (patch)
tree5add39f9809c32e3204c36958aa643ff66ccdd8f /drivers/video
parentc1e4535d431927a440e658dcafae58e309f4add7 (diff)
OMAPDSS: DSS: remove legacy dss bus support
With all the old panels removed and all the old panel model APIs removed from the DSS encoders, we can now remove the custom omapdss-bus which was used in the old panel model. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/core.c291
-rw-r--r--drivers/video/omap2/dss/dss.h9
2 files changed, 4 insertions, 296 deletions
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 71e6a77ec68..415b5d6385f 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -248,235 +248,6 @@ static struct platform_driver omap_dss_driver = {
},
};
-/* BUS */
-static int dss_bus_match(struct device *dev, struct device_driver *driver)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
-
- DSSDBG("bus_match. dev %s/%s, drv %s\n",
- dev_name(dev), dssdev->driver_name, driver->name);
-
- return strcmp(dssdev->driver_name, driver->name) == 0;
-}
-
-static struct bus_type dss_bus_type = {
- .name = "omapdss",
- .match = dss_bus_match,
-};
-
-static void dss_bus_release(struct device *dev)
-{
- DSSDBG("bus_release\n");
-}
-
-static struct device dss_bus = {
- .release = dss_bus_release,
-};
-
-struct bus_type *dss_get_bus(void)
-{
- return &dss_bus_type;
-}
-
-/* DRIVER */
-static int dss_driver_probe(struct device *dev)
-{
- int r;
- struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
- struct omap_dss_device *dssdev = to_dss_device(dev);
-
- DSSDBG("driver_probe: dev %s/%s, drv %s\n",
- dev_name(dev), dssdev->driver_name,
- dssdrv->driver.name);
-
- r = dssdrv->probe(dssdev);
-
- if (r) {
- DSSERR("driver probe failed: %d\n", r);
- return r;
- }
-
- DSSDBG("probe done for device %s\n", dev_name(dev));
-
- dssdev->driver = dssdrv;
-
- return 0;
-}
-
-static int dss_driver_remove(struct device *dev)
-{
- struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
- struct omap_dss_device *dssdev = to_dss_device(dev);
-
- DSSDBG("driver_remove: dev %s/%s\n", dev_name(dev),
- dssdev->driver_name);
-
- dssdrv->remove(dssdev);
-
- dssdev->driver = NULL;
-
- return 0;
-}
-
-static int omapdss_default_connect(struct omap_dss_device *dssdev)
-{
- struct omap_dss_device *out;
- struct omap_overlay_manager *mgr;
- int r;
-
- out = dssdev->output;
-
- if (out == NULL)
- return -ENODEV;
-
- mgr = omap_dss_get_overlay_manager(out->dispc_channel);
- if (!mgr)
- return -ENODEV;
-
- r = dss_mgr_connect(mgr, out);
- if (r)
- return r;
-
- return 0;
-}
-
-static void omapdss_default_disconnect(struct omap_dss_device *dssdev)
-{
- struct omap_dss_device *out;
- struct omap_overlay_manager *mgr;
-
- out = dssdev->output;
-
- if (out == NULL)
- return;
-
- mgr = out->manager;
-
- if (mgr == NULL)
- return;
-
- dss_mgr_disconnect(mgr, out);
-}
-
-int omap_dss_register_driver(struct omap_dss_driver *dssdriver)
-{
- dssdriver->driver.bus = &dss_bus_type;
- dssdriver->driver.probe = dss_driver_probe;
- dssdriver->driver.remove = dss_driver_remove;
-
- if (dssdriver->get_resolution == NULL)
- dssdriver->get_resolution = omapdss_default_get_resolution;
- if (dssdriver->get_recommended_bpp == NULL)
- dssdriver->get_recommended_bpp =
- omapdss_default_get_recommended_bpp;
- if (dssdriver->get_timings == NULL)
- dssdriver->get_timings = omapdss_default_get_timings;
- if (dssdriver->connect == NULL)
- dssdriver->connect = omapdss_default_connect;
- if (dssdriver->disconnect == NULL)
- dssdriver->disconnect = omapdss_default_disconnect;
-
- return driver_register(&dssdriver->driver);
-}
-EXPORT_SYMBOL(omap_dss_register_driver);
-
-void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver)
-{
- driver_unregister(&dssdriver->driver);
-}
-EXPORT_SYMBOL(omap_dss_unregister_driver);
-
-/* DEVICE */
-
-static void omap_dss_dev_release(struct device *dev)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- kfree(dssdev);
-}
-
-static int disp_num_counter;
-
-struct omap_dss_device *dss_alloc_and_init_device(struct device *parent)
-{
- struct omap_dss_device *dssdev;
-
- dssdev = kzalloc(sizeof(*dssdev), GFP_KERNEL);
- if (!dssdev)
- return NULL;
-
- dssdev->old_dev.bus = &dss_bus_type;
- dssdev->old_dev.parent = parent;
- dssdev->old_dev.release = omap_dss_dev_release;
- dev_set_name(&dssdev->old_dev, "display%d", disp_num_counter++);
-
- device_initialize(&dssdev->old_dev);
-
- return dssdev;
-}
-
-int dss_add_device(struct omap_dss_device *dssdev)
-{
- dssdev->dev = &dssdev->old_dev;
-
- omapdss_register_display(dssdev);
- return device_add(&dssdev->old_dev);
-}
-
-void dss_put_device(struct omap_dss_device *dssdev)
-{
- put_device(&dssdev->old_dev);
-}
-
-void dss_unregister_device(struct omap_dss_device *dssdev)
-{
- device_unregister(&dssdev->old_dev);
- omapdss_unregister_display(dssdev);
-}
-
-static int dss_unregister_dss_dev(struct device *dev, void *data)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- dss_unregister_device(dssdev);
- return 0;
-}
-
-void dss_unregister_child_devices(struct device *parent)
-{
- device_for_each_child(parent, NULL, dss_unregister_dss_dev);
-}
-
-void dss_copy_device_pdata(struct omap_dss_device *dst,
- const struct omap_dss_device *src)
-{
- u8 *d = (u8 *)dst;
- u8 *s = (u8 *)src;
- size_t dsize = sizeof(struct device);
-
- memcpy(d + dsize, s + dsize, sizeof(struct omap_dss_device) - dsize);
-}
-
-/* BUS */
-static int __init omap_dss_bus_register(void)
-{
- int r;
-
- r = bus_register(&dss_bus_type);
- if (r) {
- DSSERR("bus register failed\n");
- return r;
- }
-
- dev_set_name(&dss_bus, "omapdss");
- r = device_register(&dss_bus);
- if (r) {
- DSSERR("bus driver register failed\n");
- bus_unregister(&dss_bus_type);
- return r;
- }
-
- return 0;
-}
-
/* INIT */
static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
#ifdef CONFIG_OMAP2_DSS_DSI
@@ -522,7 +293,7 @@ static void (*dss_output_drv_unreg_funcs[])(void) __exitdata = {
static bool dss_output_drv_loaded[ARRAY_SIZE(dss_output_drv_reg_funcs)];
-static int __init omap_dss_register_drivers(void)
+static int __init omap_dss_init(void)
{
int r;
int i;
@@ -553,6 +324,8 @@ static int __init omap_dss_register_drivers(void)
dss_output_drv_loaded[i] = true;
}
+ dss_initialized = true;
+
return 0;
err_dispc:
@@ -563,7 +336,7 @@ err_dss:
return r;
}
-static void __exit omap_dss_unregister_drivers(void)
+static void __exit omap_dss_exit(void)
{
int i;
@@ -578,64 +351,8 @@ static void __exit omap_dss_unregister_drivers(void)
platform_driver_unregister(&omap_dss_driver);
}
-#ifdef CONFIG_OMAP2_DSS_MODULE
-static void omap_dss_bus_unregister(void)
-{
- device_unregister(&dss_bus);
-
- bus_unregister(&dss_bus_type);
-}
-
-static int __init omap_dss_init(void)
-{
- int r;
-
- r = omap_dss_bus_register();
- if (r)
- return r;
-
- r = omap_dss_register_drivers();
- if (r) {
- omap_dss_bus_unregister();
- return r;
- }
-
- dss_initialized = true;
-
- return 0;
-}
-
-static void __exit omap_dss_exit(void)
-{
- omap_dss_unregister_drivers();
-
- omap_dss_bus_unregister();
-}
-
module_init(omap_dss_init);
module_exit(omap_dss_exit);
-#else
-static int __init omap_dss_init(void)
-{
- return omap_dss_bus_register();
-}
-
-static int __init omap_dss_init2(void)
-{
- int r;
-
- r = omap_dss_register_drivers();
- if (r)
- return r;
-
- dss_initialized = true;
-
- return 0;
-}
-
-core_initcall(omap_dss_init);
-device_initcall(omap_dss_init2);
-#endif
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
MODULE_DESCRIPTION("OMAP2/3 Display Subsystem");
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 68dd27f21a2..e172531d196 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -163,20 +163,11 @@ struct platform_device;
/* core */
struct platform_device *dss_get_core_pdev(void);
-struct bus_type *dss_get_bus(void);
int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
-struct omap_dss_device *dss_alloc_and_init_device(struct device *parent);
-int dss_add_device(struct omap_dss_device *dssdev);
-void dss_unregister_device(struct omap_dss_device *dssdev);
-void dss_unregister_child_devices(struct device *parent);
-void dss_put_device(struct omap_dss_device *dssdev);
-void dss_copy_device_pdata(struct omap_dss_device *dst,
- const struct omap_dss_device *src);
-
/* display */
int dss_suspend_all_devices(void);
int dss_resume_all_devices(void);