diff options
Diffstat (limited to 'drivers/gpu/drm/zte/zx_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/zte/zx_drm_drv.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c deleted file mode 100644 index 520d7369f85a..000000000000 --- a/drivers/gpu/drm/zte/zx_drm_drv.c +++ /dev/null @@ -1,201 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright 2016 Linaro Ltd. - * Copyright 2016 ZTE Corporation. - */ - -#include <linux/clk.h> -#include <linux/component.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/of_graph.h> -#include <linux/of_platform.h> -#include <linux/spinlock.h> - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc.h> -#include <drm/drm_fb_cma_helper.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_gem_cma_helper.h> -#include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_of.h> -#include <drm/drm_probe_helper.h> -#include <drm/drmP.h> - -#include "zx_drm_drv.h" -#include "zx_vou.h" - -static const struct drm_mode_config_funcs zx_drm_mode_config_funcs = { - .fb_create = drm_gem_fb_create, - .atomic_check = drm_atomic_helper_check, - .atomic_commit = drm_atomic_helper_commit, -}; - -DEFINE_DRM_GEM_CMA_FOPS(zx_drm_fops); - -static struct drm_driver zx_drm_driver = { - .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | - DRIVER_ATOMIC, - .gem_free_object_unlocked = drm_gem_cma_free_object, - .gem_vm_ops = &drm_gem_cma_vm_ops, - .dumb_create = drm_gem_cma_dumb_create, - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = drm_gem_prime_export, - .gem_prime_import = drm_gem_prime_import, - .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, - .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, - .gem_prime_vmap = drm_gem_cma_prime_vmap, - .gem_prime_vunmap = drm_gem_cma_prime_vunmap, - .gem_prime_mmap = drm_gem_cma_prime_mmap, - .fops = &zx_drm_fops, - .name = "zx-vou", - .desc = "ZTE VOU Controller DRM", - .date = "20160811", - .major = 1, - .minor = 0, -}; - -static int zx_drm_bind(struct device *dev) -{ - struct drm_device *drm; - int ret; - - drm = drm_dev_alloc(&zx_drm_driver, dev); - if (IS_ERR(drm)) - return PTR_ERR(drm); - - dev_set_drvdata(dev, drm); - - drm_mode_config_init(drm); - drm->mode_config.min_width = 16; - drm->mode_config.min_height = 16; - drm->mode_config.max_width = 4096; - drm->mode_config.max_height = 4096; - drm->mode_config.funcs = &zx_drm_mode_config_funcs; - - ret = component_bind_all(dev, drm); - if (ret) { - DRM_DEV_ERROR(dev, "failed to bind all components: %d\n", ret); - goto out_unregister; - } - - ret = drm_vblank_init(drm, drm->mode_config.num_crtc); - if (ret < 0) { - DRM_DEV_ERROR(dev, "failed to init vblank: %d\n", ret); - goto out_unbind; - } - - /* - * We will manage irq handler on our own. In this case, irq_enabled - * need to be true for using vblank core support. - */ - drm->irq_enabled = true; - - drm_mode_config_reset(drm); - drm_kms_helper_poll_init(drm); - - ret = drm_dev_register(drm, 0); - if (ret) - goto out_poll_fini; - - drm_fbdev_generic_setup(drm, 32); - - return 0; - -out_poll_fini: - drm_kms_helper_poll_fini(drm); - drm_mode_config_cleanup(drm); -out_unbind: - component_unbind_all(dev, drm); -out_unregister: - dev_set_drvdata(dev, NULL); - drm_dev_put(drm); - return ret; -} - -static void zx_drm_unbind(struct device *dev) -{ - struct drm_device *drm = dev_get_drvdata(dev); - - drm_dev_unregister(drm); - drm_kms_helper_poll_fini(drm); - drm_atomic_helper_shutdown(drm); - drm_mode_config_cleanup(drm); - component_unbind_all(dev, drm); - dev_set_drvdata(dev, NULL); - drm_dev_put(drm); -} - -static const struct component_master_ops zx_drm_master_ops = { - .bind = zx_drm_bind, - .unbind = zx_drm_unbind, -}; - -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node == data; -} - -static int zx_drm_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct device_node *parent = dev->of_node; - struct device_node *child; - struct component_match *match = NULL; - int ret; - - ret = devm_of_platform_populate(dev); - if (ret) - return ret; - - for_each_available_child_of_node(parent, child) - component_match_add(dev, &match, compare_of, child); - - return component_master_add_with_match(dev, &zx_drm_master_ops, match); -} - -static int zx_drm_remove(struct platform_device *pdev) -{ - component_master_del(&pdev->dev, &zx_drm_master_ops); - return 0; -} - -static const struct of_device_id zx_drm_of_match[] = { - { .compatible = "zte,zx296718-vou", }, - { /* end */ }, -}; -MODULE_DEVICE_TABLE(of, zx_drm_of_match); - -static struct platform_driver zx_drm_platform_driver = { - .probe = zx_drm_probe, - .remove = zx_drm_remove, - .driver = { - .name = "zx-drm", - .of_match_table = zx_drm_of_match, - }, -}; - -static struct platform_driver *drivers[] = { - &zx_crtc_driver, - &zx_hdmi_driver, - &zx_tvenc_driver, - &zx_vga_driver, - &zx_drm_platform_driver, -}; - -static int zx_drm_init(void) -{ - return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); -} -module_init(zx_drm_init); - -static void zx_drm_exit(void) -{ - platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); -} -module_exit(zx_drm_exit); - -MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>"); -MODULE_DESCRIPTION("ZTE ZX VOU DRM driver"); -MODULE_LICENSE("GPL v2"); |