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>
This commit is contained in:
Tomi Valkeinen
parent
c1e4535d43
commit
b3864299c1
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@ -248,235 +248,6 @@ static struct platform_driver omap_dss_driver = {
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},
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};
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/* BUS */
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static int dss_bus_match(struct device *dev, struct device_driver *driver)
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{
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struct omap_dss_device *dssdev = to_dss_device(dev);
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DSSDBG("bus_match. dev %s/%s, drv %s\n",
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dev_name(dev), dssdev->driver_name, driver->name);
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return strcmp(dssdev->driver_name, driver->name) == 0;
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}
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static struct bus_type dss_bus_type = {
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.name = "omapdss",
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.match = dss_bus_match,
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};
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static void dss_bus_release(struct device *dev)
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{
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DSSDBG("bus_release\n");
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}
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static struct device dss_bus = {
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.release = dss_bus_release,
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};
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struct bus_type *dss_get_bus(void)
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{
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return &dss_bus_type;
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}
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/* DRIVER */
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static int dss_driver_probe(struct device *dev)
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{
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int r;
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struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
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struct omap_dss_device *dssdev = to_dss_device(dev);
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DSSDBG("driver_probe: dev %s/%s, drv %s\n",
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dev_name(dev), dssdev->driver_name,
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dssdrv->driver.name);
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r = dssdrv->probe(dssdev);
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if (r) {
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DSSERR("driver probe failed: %d\n", r);
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return r;
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}
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DSSDBG("probe done for device %s\n", dev_name(dev));
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dssdev->driver = dssdrv;
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return 0;
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}
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static int dss_driver_remove(struct device *dev)
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{
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struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
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struct omap_dss_device *dssdev = to_dss_device(dev);
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DSSDBG("driver_remove: dev %s/%s\n", dev_name(dev),
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dssdev->driver_name);
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dssdrv->remove(dssdev);
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dssdev->driver = NULL;
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return 0;
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}
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static int omapdss_default_connect(struct omap_dss_device *dssdev)
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{
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struct omap_dss_device *out;
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struct omap_overlay_manager *mgr;
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int r;
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out = dssdev->output;
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if (out == NULL)
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return -ENODEV;
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mgr = omap_dss_get_overlay_manager(out->dispc_channel);
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if (!mgr)
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return -ENODEV;
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r = dss_mgr_connect(mgr, out);
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if (r)
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return r;
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return 0;
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}
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static void omapdss_default_disconnect(struct omap_dss_device *dssdev)
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{
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struct omap_dss_device *out;
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struct omap_overlay_manager *mgr;
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out = dssdev->output;
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if (out == NULL)
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return;
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mgr = out->manager;
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if (mgr == NULL)
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return;
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dss_mgr_disconnect(mgr, out);
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}
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int omap_dss_register_driver(struct omap_dss_driver *dssdriver)
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{
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dssdriver->driver.bus = &dss_bus_type;
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dssdriver->driver.probe = dss_driver_probe;
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dssdriver->driver.remove = dss_driver_remove;
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if (dssdriver->get_resolution == NULL)
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dssdriver->get_resolution = omapdss_default_get_resolution;
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if (dssdriver->get_recommended_bpp == NULL)
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dssdriver->get_recommended_bpp =
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omapdss_default_get_recommended_bpp;
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if (dssdriver->get_timings == NULL)
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dssdriver->get_timings = omapdss_default_get_timings;
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if (dssdriver->connect == NULL)
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dssdriver->connect = omapdss_default_connect;
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if (dssdriver->disconnect == NULL)
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dssdriver->disconnect = omapdss_default_disconnect;
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return driver_register(&dssdriver->driver);
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}
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EXPORT_SYMBOL(omap_dss_register_driver);
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void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver)
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{
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driver_unregister(&dssdriver->driver);
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}
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EXPORT_SYMBOL(omap_dss_unregister_driver);
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/* DEVICE */
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static void omap_dss_dev_release(struct device *dev)
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{
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struct omap_dss_device *dssdev = to_dss_device(dev);
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kfree(dssdev);
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}
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static int disp_num_counter;
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struct omap_dss_device *dss_alloc_and_init_device(struct device *parent)
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{
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struct omap_dss_device *dssdev;
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dssdev = kzalloc(sizeof(*dssdev), GFP_KERNEL);
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if (!dssdev)
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return NULL;
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dssdev->old_dev.bus = &dss_bus_type;
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dssdev->old_dev.parent = parent;
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dssdev->old_dev.release = omap_dss_dev_release;
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dev_set_name(&dssdev->old_dev, "display%d", disp_num_counter++);
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device_initialize(&dssdev->old_dev);
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return dssdev;
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}
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int dss_add_device(struct omap_dss_device *dssdev)
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{
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dssdev->dev = &dssdev->old_dev;
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omapdss_register_display(dssdev);
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return device_add(&dssdev->old_dev);
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}
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void dss_put_device(struct omap_dss_device *dssdev)
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{
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put_device(&dssdev->old_dev);
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}
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void dss_unregister_device(struct omap_dss_device *dssdev)
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{
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device_unregister(&dssdev->old_dev);
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omapdss_unregister_display(dssdev);
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}
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static int dss_unregister_dss_dev(struct device *dev, void *data)
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{
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struct omap_dss_device *dssdev = to_dss_device(dev);
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dss_unregister_device(dssdev);
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return 0;
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}
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void dss_unregister_child_devices(struct device *parent)
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{
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device_for_each_child(parent, NULL, dss_unregister_dss_dev);
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}
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void dss_copy_device_pdata(struct omap_dss_device *dst,
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const struct omap_dss_device *src)
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{
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u8 *d = (u8 *)dst;
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u8 *s = (u8 *)src;
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size_t dsize = sizeof(struct device);
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memcpy(d + dsize, s + dsize, sizeof(struct omap_dss_device) - dsize);
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}
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/* BUS */
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static int __init omap_dss_bus_register(void)
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{
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int r;
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r = bus_register(&dss_bus_type);
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if (r) {
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DSSERR("bus register failed\n");
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return r;
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}
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dev_set_name(&dss_bus, "omapdss");
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r = device_register(&dss_bus);
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if (r) {
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DSSERR("bus driver register failed\n");
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bus_unregister(&dss_bus_type);
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return r;
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}
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return 0;
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}
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/* INIT */
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static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
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#ifdef CONFIG_OMAP2_DSS_DSI
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@ -522,7 +293,7 @@ static void (*dss_output_drv_unreg_funcs[])(void) __exitdata = {
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static bool dss_output_drv_loaded[ARRAY_SIZE(dss_output_drv_reg_funcs)];
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static int __init omap_dss_register_drivers(void)
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static int __init omap_dss_init(void)
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{
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int r;
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int i;
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@ -553,6 +324,8 @@ static int __init omap_dss_register_drivers(void)
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dss_output_drv_loaded[i] = true;
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}
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dss_initialized = true;
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return 0;
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err_dispc:
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@ -563,7 +336,7 @@ err_dss:
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return r;
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}
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static void __exit omap_dss_unregister_drivers(void)
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static void __exit omap_dss_exit(void)
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{
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int i;
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@ -578,64 +351,8 @@ static void __exit omap_dss_unregister_drivers(void)
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platform_driver_unregister(&omap_dss_driver);
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}
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#ifdef CONFIG_OMAP2_DSS_MODULE
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static void omap_dss_bus_unregister(void)
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{
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device_unregister(&dss_bus);
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bus_unregister(&dss_bus_type);
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}
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static int __init omap_dss_init(void)
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{
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int r;
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r = omap_dss_bus_register();
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if (r)
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return r;
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r = omap_dss_register_drivers();
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if (r) {
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omap_dss_bus_unregister();
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return r;
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}
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dss_initialized = true;
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return 0;
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}
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static void __exit omap_dss_exit(void)
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{
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omap_dss_unregister_drivers();
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omap_dss_bus_unregister();
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}
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module_init(omap_dss_init);
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module_exit(omap_dss_exit);
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#else
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static int __init omap_dss_init(void)
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{
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return omap_dss_bus_register();
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}
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static int __init omap_dss_init2(void)
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{
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int r;
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r = omap_dss_register_drivers();
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if (r)
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return r;
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dss_initialized = true;
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return 0;
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}
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core_initcall(omap_dss_init);
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device_initcall(omap_dss_init2);
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#endif
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MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
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MODULE_DESCRIPTION("OMAP2/3 Display Subsystem");
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@ -163,20 +163,11 @@ struct platform_device;
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/* core */
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struct platform_device *dss_get_core_pdev(void);
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struct bus_type *dss_get_bus(void);
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int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
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void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
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int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
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int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
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struct omap_dss_device *dss_alloc_and_init_device(struct device *parent);
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int dss_add_device(struct omap_dss_device *dssdev);
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void dss_unregister_device(struct omap_dss_device *dssdev);
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void dss_unregister_child_devices(struct device *parent);
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void dss_put_device(struct omap_dss_device *dssdev);
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void dss_copy_device_pdata(struct omap_dss_device *dst,
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const struct omap_dss_device *src);
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/* display */
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int dss_suspend_all_devices(void);
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int dss_resume_all_devices(void);
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@ -703,10 +703,6 @@ struct omapdss_dsi_ops {
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};
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struct omap_dss_device {
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/* old device, to be removed */
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struct device old_dev;
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/* new device, pointer to panel device */
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struct device *dev;
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struct module *owner;
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@ -808,8 +804,6 @@ struct omap_dss_hdmi_data
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};
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struct omap_dss_driver {
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struct device_driver driver;
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int (*probe)(struct omap_dss_device *);
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void (*remove)(struct omap_dss_device *);
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