config DRM_EXYNOS
tristate "DRM Support for Samsung SoC EXYNOS Series"
depends on DRM && PLAT_SAMSUNG
- default n
select DRM_KMS_HELPER
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
If M is selected the module will be called exynosdrm.
config DRM_EXYNOS_FIMD
- tristate "Exynos DRM FIMD"
+ bool "Exynos DRM FIMD"
depends on DRM_EXYNOS && !FB_S3C
- default n
help
Choose this option if you want to use Exynos FIMD for DRM.
- If M is selected, the module will be called exynos_drm_fimd
config DRM_EXYNOS_HDMI
- tristate "Exynos DRM HDMI"
+ bool "Exynos DRM HDMI"
depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_TV
help
Choose this option if you want to use Exynos HDMI for DRM.
- If M is selected, the module will be called exynos_drm_hdmi
exynos_drm_buf.o exynos_drm_gem.o exynos_drm_core.o \
exynos_drm_plane.o
-obj-$(CONFIG_DRM_EXYNOS) += exynosdrm.o
-obj-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
-obj-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o exynos_ddc.o \
- exynos_hdmiphy.o exynos_drm_hdmi.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o \
+ exynos_ddc.o exynos_hdmiphy.o \
+ exynos_drm_hdmi.o
+
+obj-$(CONFIG_DRM_EXYNOS) += exynosdrm.o
.remove = __devexit_p(s5p_ddc_remove),
.command = NULL,
};
-EXPORT_SYMBOL(ddc_driver);
kfree(exynos_connector);
return NULL;
}
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM Connector Driver");
-MODULE_LICENSE("GPL");
#include "exynos_drm_connector.h"
#include "exynos_drm_fbdev.h"
-static DEFINE_MUTEX(exynos_drm_mutex);
static LIST_HEAD(exynos_drm_subdrv_list);
static struct drm_device *drm_dev;
if (!dev)
return -EINVAL;
- if (drm_dev) {
- DRM_ERROR("Already drm device were registered\n");
- return -EBUSY;
- }
+ drm_dev = dev;
- mutex_lock(&exynos_drm_mutex);
list_for_each_entry_safe(subdrv, n, &exynos_drm_subdrv_list, list) {
+ subdrv->drm_dev = dev;
err = exynos_drm_subdrv_probe(dev, subdrv);
if (err) {
DRM_DEBUG("exynos drm subdrv probe failed.\n");
}
}
- drm_dev = dev;
- mutex_unlock(&exynos_drm_mutex);
-
return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_device_register);
DRM_DEBUG_DRIVER("%s\n", __FILE__);
- if (!dev || dev != drm_dev) {
+ if (!dev) {
WARN(1, "Unexpected drm device unregister!\n");
return -EINVAL;
}
- mutex_lock(&exynos_drm_mutex);
list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list)
exynos_drm_subdrv_remove(dev, subdrv);
drm_dev = NULL;
- mutex_unlock(&exynos_drm_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_device_unregister);
-static int exynos_drm_mode_group_reinit(struct drm_device *dev)
-{
- struct drm_mode_group *group = &dev->primary->mode_group;
- uint32_t *id_list = group->id_list;
- int ret;
-
- DRM_DEBUG_DRIVER("%s\n", __FILE__);
-
- ret = drm_mode_group_init_legacy_group(dev, group);
- if (ret < 0)
- return ret;
-
- kfree(id_list);
- return 0;
-}
-
int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv)
{
- int err;
-
DRM_DEBUG_DRIVER("%s\n", __FILE__);
if (!subdrv)
return -EINVAL;
- mutex_lock(&exynos_drm_mutex);
- if (drm_dev) {
- err = exynos_drm_subdrv_probe(drm_dev, subdrv);
- if (err) {
- DRM_ERROR("failed to probe exynos drm subdrv\n");
- mutex_unlock(&exynos_drm_mutex);
- return err;
- }
-
- /* setup possible_clones. */
- exynos_drm_encoder_setup(drm_dev);
-
- /*
- * if any specific driver such as fimd or hdmi driver called
- * exynos_drm_subdrv_register() later than drm_load(),
- * the fb helper should be re-initialized and re-configured.
- */
- err = exynos_drm_fbdev_reinit(drm_dev);
- if (err) {
- DRM_ERROR("failed to reinitialize exynos drm fbdev\n");
- exynos_drm_subdrv_remove(drm_dev, subdrv);
- mutex_unlock(&exynos_drm_mutex);
- return err;
- }
-
- err = exynos_drm_mode_group_reinit(drm_dev);
- if (err) {
- DRM_ERROR("failed to reinitialize mode group\n");
- exynos_drm_fbdev_fini(drm_dev);
- exynos_drm_subdrv_remove(drm_dev, subdrv);
- mutex_unlock(&exynos_drm_mutex);
- return err;
- }
- }
-
- subdrv->drm_dev = drm_dev;
-
list_add_tail(&subdrv->list, &exynos_drm_subdrv_list);
- mutex_unlock(&exynos_drm_mutex);
return 0;
}
int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv)
{
- int ret = -EFAULT;
-
DRM_DEBUG_DRIVER("%s\n", __FILE__);
- if (!subdrv) {
- DRM_DEBUG("Unexpected exynos drm subdrv unregister!\n");
- return ret;
- }
-
- mutex_lock(&exynos_drm_mutex);
- if (drm_dev) {
- exynos_drm_subdrv_remove(drm_dev, subdrv);
- list_del(&subdrv->list);
-
- /*
- * fb helper should be updated once a sub driver is released
- * to re-configure crtc and connector and also to re-setup
- * drm framebuffer.
- */
- ret = exynos_drm_fbdev_reinit(drm_dev);
- if (ret < 0) {
- DRM_ERROR("failed fb helper reinit.\n");
- goto fail;
- }
+ if (!subdrv)
+ return -EINVAL;
- ret = exynos_drm_mode_group_reinit(drm_dev);
- if (ret < 0) {
- DRM_ERROR("failed drm mode group reinit.\n");
- goto fail;
- }
- }
+ list_del(&subdrv->list);
-fail:
- mutex_unlock(&exynos_drm_mutex);
- return ret;
+ return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister);
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM Core Driver");
-MODULE_LICENSE("GPL");
exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
exynos_drm_disable_vblank);
}
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM CRTC Driver");
-MODULE_LICENSE("GPL");
static int __init exynos_drm_init(void)
{
+ int ret;
+
DRM_DEBUG_DRIVER("%s\n", __FILE__);
- return platform_driver_register(&exynos_drm_platform_driver);
+#ifdef CONFIG_DRM_EXYNOS_FIMD
+ ret = platform_driver_register(&fimd_driver);
+ if (ret < 0)
+ goto out_fimd;
+#endif
+
+#ifdef CONFIG_DRM_EXYNOS_HDMI
+ ret = platform_driver_register(&hdmi_driver);
+ if (ret < 0)
+ goto out_hdmi;
+ ret = platform_driver_register(&mixer_driver);
+ if (ret < 0)
+ goto out_mixer;
+ ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
+ if (ret < 0)
+ goto out_common_hdmi;
+#endif
+
+ ret = platform_driver_register(&exynos_drm_platform_driver);
+ if (ret < 0)
+ goto out;
+
+ return 0;
+
+out:
+#ifdef CONFIG_DRM_EXYNOS_HDMI
+ platform_driver_unregister(&exynos_drm_common_hdmi_driver);
+out_common_hdmi:
+ platform_driver_unregister(&mixer_driver);
+out_mixer:
+ platform_driver_unregister(&hdmi_driver);
+out_hdmi:
+#endif
+
+#ifdef CONFIG_DRM_EXYNOS_FIMD
+ platform_driver_unregister(&fimd_driver);
+out_fimd:
+#endif
+ return ret;
}
static void __exit exynos_drm_exit(void)
DRM_DEBUG_DRIVER("%s\n", __FILE__);
platform_driver_unregister(&exynos_drm_platform_driver);
+
+#ifdef CONFIG_DRM_EXYNOS_HDMI
+ platform_driver_unregister(&exynos_drm_common_hdmi_driver);
+ platform_driver_unregister(&mixer_driver);
+ platform_driver_unregister(&hdmi_driver);
+#endif
+
+#ifdef CONFIG_DRM_EXYNOS_FIMD
+ platform_driver_unregister(&fimd_driver);
+#endif
}
module_init(exynos_drm_init);
* this function would be called by sub drivers such as display controller
* or hdmi driver to register this sub driver object to exynos drm driver
* and when a sub driver is registered to exynos drm driver a probe callback
- * of the sub driver is called and creates its own encoder and connector
- * and then fb helper and drm mode group would be re-initialized.
+ * of the sub driver is called and creates its own encoder and connector.
*/
int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv);
-/*
- * this function removes subdrv list from exynos drm driver and fb helper
- * and drm mode group would be re-initialized.
- */
+/* this function removes subdrv list from exynos drm driver */
int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv);
+extern struct platform_driver fimd_driver;
+extern struct platform_driver hdmi_driver;
+extern struct platform_driver mixer_driver;
+extern struct platform_driver exynos_drm_common_hdmi_driver;
#endif
if (overlay_ops && overlay_ops->disable)
overlay_ops->disable(manager->dev, zpos);
}
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM Encoder Driver");
-MODULE_LICENSE("GPL");
dev->mode_config.funcs = &exynos_drm_mode_config_funcs;
}
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM FB Driver");
-MODULE_LICENSE("GPL");
drm_fb_helper_restore_fbdev_mode(private->fb_helper);
}
-
-int exynos_drm_fbdev_reinit(struct drm_device *dev)
-{
- struct exynos_drm_private *private = dev->dev_private;
- struct drm_fb_helper *fb_helper;
- int ret;
-
- if (!private)
- return -EINVAL;
-
- /*
- * if all sub drivers were unloaded then num_connector is 0
- * so at this time, the framebuffers also should be destroyed.
- */
- if (!dev->mode_config.num_connector) {
- exynos_drm_fbdev_fini(dev);
- return 0;
- }
-
- fb_helper = private->fb_helper;
-
- if (fb_helper) {
- struct list_head temp_list;
-
- INIT_LIST_HEAD(&temp_list);
-
- /*
- * fb_helper is reintialized but kernel fb is reused
- * so kernel_fb_list need to be backuped and restored
- */
- if (!list_empty(&fb_helper->kernel_fb_list))
- list_replace_init(&fb_helper->kernel_fb_list,
- &temp_list);
-
- drm_fb_helper_fini(fb_helper);
-
- ret = drm_fb_helper_init(dev, fb_helper,
- dev->mode_config.num_crtc, MAX_CONNECTOR);
- if (ret < 0) {
- DRM_ERROR("failed to initialize drm fb helper\n");
- return ret;
- }
-
- if (!list_empty(&temp_list))
- list_replace(&temp_list, &fb_helper->kernel_fb_list);
-
- ret = drm_fb_helper_single_add_all_connectors(fb_helper);
- if (ret < 0) {
- DRM_ERROR("failed to add fb helper to connectors\n");
- goto err;
- }
-
- ret = drm_fb_helper_initial_config(fb_helper, PREFERRED_BPP);
- if (ret < 0) {
- DRM_ERROR("failed to set up hw configuration.\n");
- goto err;
- }
- } else {
- /*
- * if drm_load() failed whem drm load() was called prior
- * to specific drivers, fb_helper must be NULL and so
- * this fuction should be called again to re-initialize and
- * re-configure the fb helper. it means that this function
- * has been called by the specific drivers.
- */
- ret = exynos_drm_fbdev_init(dev);
- }
-
- return ret;
-
-err:
- /*
- * if drm_load() failed when drm load() was called prior
- * to specific drivers, the fb_helper must be NULL and so check it.
- */
- if (fb_helper)
- drm_fb_helper_fini(fb_helper);
-
- return ret;
-}
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM FBDEV Driver");
-MODULE_LICENSE("GPL");
SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL)
};
-static struct platform_driver fimd_driver = {
+struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = __devexit_p(fimd_remove),
.driver = {
.pm = &fimd_pm_ops,
},
};
-
-static int __init fimd_init(void)
-{
- return platform_driver_register(&fimd_driver);
-}
-
-static void __exit fimd_exit(void)
-{
- platform_driver_unregister(&fimd_driver);
-}
-
-module_init(fimd_init);
-module_exit(fimd_exit);
-
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_DESCRIPTION("Samsung DRM FIMD Driver");
-MODULE_LICENSE("GPL");
return ret;
}
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM GEM Module");
-MODULE_LICENSE("GPL");
struct exynos_drm_subdrv subdrv;
struct exynos_drm_hdmi_context *hdmi_ctx;
struct exynos_drm_hdmi_context *mixer_ctx;
- struct work_struct work;
};
void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops
if (display_ops)
hdmi_display_ops = display_ops;
}
-EXPORT_SYMBOL(exynos_drm_display_ops_register);
void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops
*manager_ops)
if (manager_ops)
hdmi_manager_ops = manager_ops;
}
-EXPORT_SYMBOL(exynos_drm_manager_ops_register);
void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops
*overlay_ops)
if (overlay_ops)
hdmi_overlay_ops = overlay_ops;
}
-EXPORT_SYMBOL(exynos_drm_overlay_ops_register);
static bool drm_hdmi_is_connected(struct device *dev)
{
struct drm_hdmi_context *ctx;
struct platform_device *pdev = to_platform_device(dev);
struct exynos_drm_common_hdmi_pd *pd;
- int ret;
DRM_DEBUG_KMS("%s\n", __FILE__);
return -EFAULT;
}
- ret = platform_driver_register(&hdmi_driver);
- if (ret) {
- DRM_DEBUG_KMS("failed to register hdmi driver.\n");
- return ret;
- }
-
- ret = platform_driver_register(&mixer_driver);
- if (ret) {
- DRM_DEBUG_KMS("failed to register mixer driver.\n");
- goto err_hdmidrv;
- }
-
ctx = get_ctx_from_subdrv(subdrv);
ctx->hdmi_ctx = (struct exynos_drm_hdmi_context *)
to_context(pd->hdmi_dev);
if (!ctx->hdmi_ctx) {
DRM_DEBUG_KMS("hdmi context is null.\n");
- ret = -EFAULT;
- goto err_mixerdrv;
+ return -EFAULT;
}
ctx->hdmi_ctx->drm_dev = drm_dev;
to_context(pd->mixer_dev);
if (!ctx->mixer_ctx) {
DRM_DEBUG_KMS("mixer context is null.\n");
- ret = -EFAULT;
- goto err_mixerdrv;
+ return -EFAULT;
}
ctx->mixer_ctx->drm_dev = drm_dev;
return 0;
-
-err_mixerdrv:
- platform_driver_unregister(&mixer_driver);
-err_hdmidrv:
- platform_driver_unregister(&hdmi_driver);
- return ret;
-}
-
-static void hdmi_subdrv_remove(struct drm_device *drm_dev)
-{
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- platform_driver_unregister(&hdmi_driver);
- platform_driver_unregister(&mixer_driver);
-}
-
-static void exynos_drm_hdmi_late_probe(struct work_struct *work)
-{
- struct drm_hdmi_context *ctx = container_of(work,
- struct drm_hdmi_context, work);
-
- /*
- * this function calls subdrv->probe() so this must be called
- * after probe context.
- *
- * PS. subdrv->probe() will call platform_driver_register() to probe
- * hdmi and mixer driver.
- */
- exynos_drm_subdrv_register(&ctx->subdrv);
}
static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev)
subdrv = &ctx->subdrv;
subdrv->probe = hdmi_subdrv_probe;
- subdrv->remove = hdmi_subdrv_remove;
subdrv->manager.pipe = -1;
subdrv->manager.ops = &drm_hdmi_manager_ops;
subdrv->manager.overlay_ops = &drm_hdmi_overlay_ops;
platform_set_drvdata(pdev, subdrv);
- INIT_WORK(&ctx->work, exynos_drm_hdmi_late_probe);
-
- schedule_work(&ctx->work);
+ exynos_drm_subdrv_register(subdrv);
return 0;
}
return 0;
}
-static struct platform_driver exynos_drm_common_hdmi_driver = {
+struct platform_driver exynos_drm_common_hdmi_driver = {
.probe = exynos_drm_hdmi_probe,
.remove = __devexit_p(exynos_drm_hdmi_remove),
.driver = {
.pm = &hdmi_pm_ops,
},
};
-
-static int __init exynos_drm_hdmi_init(void)
-{
- int ret;
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
- if (ret) {
- DRM_DEBUG_KMS("failed to register hdmi common driver.\n");
- return ret;
- }
-
- return ret;
-}
-
-static void __exit exynos_drm_hdmi_exit(void)
-{
- platform_driver_unregister(&exynos_drm_common_hdmi_driver);
-}
-
-module_init(exynos_drm_hdmi_init);
-module_exit(exynos_drm_hdmi_exit);
-
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Seung-Woo Kim, <sw0312.kim@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DRM HDMI Driver");
-MODULE_LICENSE("GPL");
if (ddc)
hdmi_ddc = ddc;
}
-EXPORT_SYMBOL(hdmi_attach_ddc_client);
void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
{
if (hdmiphy)
hdmi_hdmiphy = hdmiphy;
}
-EXPORT_SYMBOL(hdmi_attach_hdmiphy_client);
static int __devinit hdmi_probe(struct platform_device *pdev)
{
.pm = &hdmi_pm_ops,
},
};
-EXPORT_SYMBOL(hdmi_driver);
-
-MODULE_AUTHOR("Seung-Woo Kim, <sw0312.kim@samsung.com>");
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_DESCRIPTION("Samsung DRM HDMI core Driver");
-MODULE_LICENSE("GPL");
.probe = mixer_probe,
.remove = __devexit_p(mixer_remove),
};
-EXPORT_SYMBOL(mixer_driver);
-
-MODULE_AUTHOR("Seung-Woo Kim, <sw0312.kim@samsung.com>");
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_DESCRIPTION("Samsung DRM HDMI mixer Driver");
-MODULE_LICENSE("GPL");
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff