diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c deleted file mode 100644 index 9d452df5bca..00000000000 --- a/drivers/gpu/drm/tegra/drm.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * Copyright (C) 2012 Avionic Design GmbH - * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> - -#include <linux/dma-mapping.h> -#include <asm/dma-iommu.h> - -#include "drm.h" - -#define DRIVER_NAME "tegra" -#define DRIVER_DESC "NVIDIA Tegra graphics" -#define DRIVER_DATE "20120330" -#define DRIVER_MAJOR 0 -#define DRIVER_MINOR 0 -#define DRIVER_PATCHLEVEL 0 - -static int tegra_drm_load(struct drm_device *drm, unsigned long flags) -{ - struct device *dev = drm->dev; - struct host1x *host1x; - int err; - - host1x = dev_get_drvdata(dev); - drm->dev_private = host1x; - host1x->drm = drm; - - drm_mode_config_init(drm); - - err = host1x_drm_init(host1x, drm); - if (err < 0) - return err; - - err = drm_vblank_init(drm, drm->mode_config.num_crtc); - if (err < 0) - return err; - - err = tegra_drm_fb_init(drm); - if (err < 0) - return err; - - drm_kms_helper_poll_init(drm); - - return 0; -} - -static int tegra_drm_unload(struct drm_device *drm) -{ - drm_kms_helper_poll_fini(drm); - tegra_drm_fb_exit(drm); - - drm_mode_config_cleanup(drm); - - return 0; -} - -static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp) -{ - return 0; -} - -static void tegra_drm_lastclose(struct drm_device *drm) -{ - struct host1x *host1x = drm->dev_private; - - drm_fbdev_cma_restore_mode(host1x->fbdev); -} - -static struct drm_ioctl_desc tegra_drm_ioctls[] = { -}; - -static const struct file_operations tegra_drm_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_gem_cma_mmap, - .poll = drm_poll, - .fasync = drm_fasync, - .read = drm_read, -#ifdef CONFIG_COMPAT - .compat_ioctl = drm_compat_ioctl, -#endif - .llseek = noop_llseek, -}; - -static struct drm_crtc *tegra_crtc_from_pipe(struct drm_device *drm, int pipe) -{ - struct drm_crtc *crtc; - - list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) { - struct tegra_dc *dc = to_tegra_dc(crtc); - - if (dc->pipe == pipe) - return crtc; - } - - return NULL; -} - -static u32 tegra_drm_get_vblank_counter(struct drm_device *dev, int crtc) -{ - /* TODO: implement real hardware counter using syncpoints */ - return drm_vblank_count(dev, crtc); -} - -static int tegra_drm_enable_vblank(struct drm_device *drm, int pipe) -{ - struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe); - struct tegra_dc *dc = to_tegra_dc(crtc); - - if (!crtc) - return -ENODEV; - - tegra_dc_enable_vblank(dc); - - return 0; -} - -static void tegra_drm_disable_vblank(struct drm_device *drm, int pipe) -{ - struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe); - struct tegra_dc *dc = to_tegra_dc(crtc); - - if (crtc) - tegra_dc_disable_vblank(dc); -} - -static void tegra_drm_preclose(struct drm_device *drm, struct drm_file *file) -{ - struct drm_crtc *crtc; - - list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) - tegra_dc_cancel_page_flip(crtc, file); -} - -#ifdef CONFIG_DEBUG_FS -static int tegra_debugfs_framebuffers(struct seq_file *s, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *)s->private; - struct drm_device *drm = node->minor->dev; - struct drm_framebuffer *fb; - - mutex_lock(&drm->mode_config.fb_lock); - - list_for_each_entry(fb, &drm->mode_config.fb_list, head) { - seq_printf(s, "%3d: user size: %d x %d, depth %d, %d bpp, refcount %d\n", - fb->base.id, fb->width, fb->height, fb->depth, - fb->bits_per_pixel, - atomic_read(&fb->refcount.refcount)); - } - - mutex_unlock(&drm->mode_config.fb_lock); - - return 0; -} - -static struct drm_info_list tegra_debugfs_list[] = { - { "framebuffers", tegra_debugfs_framebuffers, 0 }, -}; - -static int tegra_debugfs_init(struct drm_minor *minor) -{ - return drm_debugfs_create_files(tegra_debugfs_list, - ARRAY_SIZE(tegra_debugfs_list), - minor->debugfs_root, minor); -} - -static void tegra_debugfs_cleanup(struct drm_minor *minor) -{ - drm_debugfs_remove_files(tegra_debugfs_list, - ARRAY_SIZE(tegra_debugfs_list), minor); -} -#endif - -struct drm_driver tegra_drm_driver = { - .driver_features = DRIVER_BUS_PLATFORM | DRIVER_MODESET | DRIVER_GEM, - .load = tegra_drm_load, - .unload = tegra_drm_unload, - .open = tegra_drm_open, - .preclose = tegra_drm_preclose, - .lastclose = tegra_drm_lastclose, - - .get_vblank_counter = tegra_drm_get_vblank_counter, - .enable_vblank = tegra_drm_enable_vblank, - .disable_vblank = tegra_drm_disable_vblank, - -#if defined(CONFIG_DEBUG_FS) - .debugfs_init = tegra_debugfs_init, - .debugfs_cleanup = tegra_debugfs_cleanup, -#endif - - .gem_free_object = drm_gem_cma_free_object, - .gem_vm_ops = &drm_gem_cma_vm_ops, - .dumb_create = drm_gem_cma_dumb_create, - .dumb_map_offset = drm_gem_cma_dumb_map_offset, - .dumb_destroy = drm_gem_cma_dumb_destroy, - - .ioctls = tegra_drm_ioctls, - .num_ioctls = ARRAY_SIZE(tegra_drm_ioctls), - .fops = &tegra_drm_fops, - - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; 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