diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 439 |
1 files changed, 0 insertions, 439 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c deleted file mode 100644 index ed8a319ed84..00000000000 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ /dev/null @@ -1,439 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics Co.Ltd - * Authors: - * Inki Dae <inki.dae@samsung.com> - * Seung-Woo Kim <sw0312.kim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include "drmP.h" - -#include <linux/kernel.h> -#include <linux/wait.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> - -#include <drm/exynos_drm.h> - -#include "exynos_drm_drv.h" -#include "exynos_drm_hdmi.h" - -#define to_context(dev) platform_get_drvdata(to_platform_device(dev)) -#define to_subdrv(dev) to_context(dev) -#define get_ctx_from_subdrv(subdrv) container_of(subdrv,\ - struct drm_hdmi_context, subdrv); - -/* these callback points shoud be set by specific drivers. */ -static struct exynos_hdmi_display_ops *hdmi_display_ops; -static struct exynos_hdmi_manager_ops *hdmi_manager_ops; -static struct exynos_hdmi_overlay_ops *hdmi_overlay_ops; - -struct drm_hdmi_context { - 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 - *display_ops) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - 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) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - 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) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - 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 = to_context(dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_display_ops && hdmi_display_ops->is_connected) - return hdmi_display_ops->is_connected(ctx->hdmi_ctx->ctx); - - return false; -} - -static int drm_hdmi_get_edid(struct device *dev, - struct drm_connector *connector, u8 *edid, int len) -{ - struct drm_hdmi_context *ctx = to_context(dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_display_ops && hdmi_display_ops->get_edid) - return hdmi_display_ops->get_edid(ctx->hdmi_ctx->ctx, - connector, edid, len); - - return 0; -} - -static int drm_hdmi_check_timing(struct device *dev, void *timing) -{ - struct drm_hdmi_context *ctx = to_context(dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_display_ops && hdmi_display_ops->check_timing) - return hdmi_display_ops->check_timing(ctx->hdmi_ctx->ctx, - timing); - - return 0; -} - -static int drm_hdmi_power_on(struct device *dev, int mode) -{ - struct drm_hdmi_context *ctx = to_context(dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_display_ops && hdmi_display_ops->power_on) - return hdmi_display_ops->power_on(ctx->hdmi_ctx->ctx, mode); - - return 0; -} - -static struct exynos_drm_display_ops drm_hdmi_display_ops = { - .type = EXYNOS_DISPLAY_TYPE_HDMI, - .is_connected = drm_hdmi_is_connected, - .get_edid = drm_hdmi_get_edid, - .check_timing = drm_hdmi_check_timing, - .power_on = drm_hdmi_power_on, -}; - -static int drm_hdmi_enable_vblank(struct device *subdrv_dev) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - struct exynos_drm_subdrv *subdrv = &ctx->subdrv; - struct exynos_drm_manager *manager = &subdrv->manager; - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_overlay_ops && hdmi_overlay_ops->enable_vblank) - return hdmi_overlay_ops->enable_vblank(ctx->mixer_ctx->ctx, - manager->pipe); - - return 0; -} - -static void drm_hdmi_disable_vblank(struct device *subdrv_dev) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_overlay_ops && hdmi_overlay_ops->disable_vblank) - return hdmi_overlay_ops->disable_vblank(ctx->mixer_ctx->ctx); -} - -static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_manager_ops && hdmi_manager_ops->mode_set) - hdmi_manager_ops->mode_set(ctx->hdmi_ctx->ctx, mode); -} - -static void drm_hdmi_commit(struct device *subdrv_dev) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_manager_ops && hdmi_manager_ops->commit) - hdmi_manager_ops->commit(ctx->hdmi_ctx->ctx); -} - -static void drm_hdmi_dpms(struct device *subdrv_dev, int mode) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - switch (mode) { - case DRM_MODE_DPMS_ON: - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - if (hdmi_manager_ops && hdmi_manager_ops->disable) - hdmi_manager_ops->disable(ctx->hdmi_ctx->ctx); - break; - default: - DRM_DEBUG_KMS("unkown dps mode: %d\n", mode); - break; - } -} - -static struct exynos_drm_manager_ops drm_hdmi_manager_ops = { - .dpms = drm_hdmi_dpms, - .enable_vblank = drm_hdmi_enable_vblank, - .disable_vblank = drm_hdmi_disable_vblank, - .mode_set = drm_hdmi_mode_set, - .commit = drm_hdmi_commit, -}; - -static void drm_mixer_mode_set(struct device *subdrv_dev, - struct exynos_drm_overlay *overlay) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_overlay_ops && hdmi_overlay_ops->win_mode_set) - hdmi_overlay_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay); -} - -static void drm_mixer_commit(struct device *subdrv_dev, int zpos) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_overlay_ops && hdmi_overlay_ops->win_commit) - hdmi_overlay_ops->win_commit(ctx->mixer_ctx->ctx, zpos); -} - -static void drm_mixer_disable(struct device *subdrv_dev, int zpos) -{ - struct drm_hdmi_context *ctx = to_context(subdrv_dev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - if (hdmi_overlay_ops && hdmi_overlay_ops->win_disable) - hdmi_overlay_ops->win_disable(ctx->mixer_ctx->ctx, zpos); -} - -static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = { - .mode_set = drm_mixer_mode_set, - .commit = drm_mixer_commit, - .disable = drm_mixer_disable, -}; - - -static int hdmi_subdrv_probe(struct drm_device *drm_dev, - struct device *dev) -{ - struct exynos_drm_subdrv *subdrv = to_subdrv(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__); - - pd = pdev->dev.platform_data; - - if (!pd) { - DRM_DEBUG_KMS("platform data is null.\n"); - return -EFAULT; - } - - if (!pd->hdmi_dev) { - DRM_DEBUG_KMS("hdmi device is null.\n"); - return -EFAULT; - } - - if (!pd->mixer_dev) { - DRM_DEBUG_KMS("mixer device is null.\n"); - 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; - } - - ctx->hdmi_ctx->drm_dev = drm_dev; - - ctx->mixer_ctx = (struct exynos_drm_hdmi_context *) - to_context(pd->mixer_dev); - if (!ctx->mixer_ctx) { - DRM_DEBUG_KMS("mixer context is null.\n"); - ret = -EFAULT; - goto err_mixerdrv; - } - - 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) -{ - struct device *dev = &pdev->dev; - struct exynos_drm_subdrv *subdrv; - struct drm_hdmi_context *ctx; - - DRM_DEBUG_KMS("%s\n", __FILE__); - - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); - if (!ctx) { - DRM_LOG_KMS("failed to alloc common hdmi context.\n"); - return -ENOMEM; - } - - 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; - subdrv->manager.display_ops = &drm_hdmi_display_ops; - subdrv->manager.dev = dev; - - platform_set_drvdata(pdev, subdrv); - - INIT_WORK(&ctx->work, exynos_drm_hdmi_late_probe); - - schedule_work(&ctx->work); - - return 0; -} - -static int hdmi_runtime_suspend(struct device *dev) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - return 0; -} - -static int hdmi_runtime_resume(struct device *dev) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - return 0; -} - -static const struct dev_pm_ops hdmi_pm_ops = { - .runtime_suspend = hdmi_runtime_suspend, - .runtime_resume = hdmi_runtime_resume, -}; - -static int __devexit exynos_drm_hdmi_remove(struct platform_device *pdev) -{ - struct drm_hdmi_context *ctx = platform_get_drvdata(pdev); - - DRM_DEBUG_KMS("%s\n", __FILE__); - - exynos_drm_subdrv_unregister(&ctx->subdrv); - kfree(ctx); - - return 0; -} - -static struct platform_driver exynos_drm_common_hdmi_driver = { - .probe = exynos_drm_hdmi_probe, - .remove = __devexit_p(exynos_drm_hdmi_remove), - .driver = { - .name = "exynos-drm-hdmi", - .owner = THIS_MODULE, - .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"); |
