2019-06-04 02:11:33 -06:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2012-11-15 14:28:22 -07:00
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/*
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* Copyright (C) 2012 Avionic Design GmbH
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2013-03-22 08:34:09 -06:00
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* Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved.
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2012-11-15 14:28:22 -07:00
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*/
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2013-03-22 08:34:05 -06:00
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#ifndef HOST1X_DRM_H
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#define HOST1X_DRM_H 1
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2012-11-15 14:28:22 -07:00
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2013-09-24 05:59:01 -06:00
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#include <uapi/drm/tegra_drm.h>
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#include <linux/host1x.h>
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2016-12-14 04:16:11 -07:00
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#include <linux/iova.h>
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2015-04-27 07:12:39 -06:00
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#include <linux/of_gpio.h>
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2013-09-24 05:59:01 -06:00
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2012-11-15 14:28:22 -07:00
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#include <drm/drmP.h>
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2017-11-13 03:08:13 -07:00
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#include <drm/drm_atomic.h>
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2012-11-15 14:28:22 -07:00
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#include <drm/drm_edid.h>
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2016-11-28 11:51:09 -07:00
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#include <drm/drm_encoder.h>
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2012-11-15 14:28:22 -07:00
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_fixed.h>
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2019-01-17 14:03:34 -07:00
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#include <drm/drm_probe_helper.h>
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2012-11-15 14:28:22 -07:00
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2014-06-03 06:48:12 -06:00
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#include "gem.h"
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2017-11-13 03:08:13 -07:00
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#include "hub.h"
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2017-08-15 07:41:10 -06:00
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#include "trace.h"
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2014-06-03 06:48:12 -06:00
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2013-11-06 16:20:54 -07:00
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struct reset_control;
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2015-10-27 02:10:59 -06:00
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#ifdef CONFIG_DRM_FBDEV_EMULATION
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struct tegra_fbdev {
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struct drm_fb_helper base;
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struct drm_framebuffer *fb;
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};
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2013-10-31 06:28:50 -06:00
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#endif
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2013-09-24 05:22:17 -06:00
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struct tegra_drm {
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struct drm_device *drm;
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2014-06-26 13:41:53 -06:00
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struct iommu_domain *domain;
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2017-10-12 09:43:33 -06:00
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struct iommu_group *group;
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2017-03-09 12:04:56 -07:00
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struct mutex mm_lock;
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2014-06-26 13:41:53 -06:00
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struct drm_mm mm;
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2016-12-14 04:16:11 -07:00
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struct {
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struct iova_domain domain;
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unsigned long shift;
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unsigned long limit;
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} carveout;
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2012-11-15 14:28:22 -07:00
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struct mutex clients_lock;
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struct list_head clients;
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2015-10-27 02:10:59 -06:00
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#ifdef CONFIG_DRM_FBDEV_EMULATION
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struct tegra_fbdev *fbdev;
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#endif
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2014-07-11 00:29:14 -06:00
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unsigned int pitch_align;
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2014-11-24 09:41:23 -07:00
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2017-11-13 03:08:13 -07:00
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struct tegra_display_hub *hub;
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};
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struct tegra_drm_client;
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struct tegra_drm_context {
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struct tegra_drm_client *client;
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struct host1x_channel *channel;
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unsigned int id;
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};
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struct tegra_drm_client_ops {
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int (*open_channel)(struct tegra_drm_client *client,
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struct tegra_drm_context *context);
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void (*close_channel)(struct tegra_drm_context *context);
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2013-10-10 03:00:33 -06:00
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int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
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int (*is_valid_class)(u32 class);
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int (*submit)(struct tegra_drm_context *context,
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struct drm_tegra_submit *args, struct drm_device *drm,
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struct drm_file *file);
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};
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2013-10-10 03:00:33 -06:00
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int tegra_drm_submit(struct tegra_drm_context *context,
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struct drm_tegra_submit *args, struct drm_device *drm,
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struct drm_file *file);
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2013-09-24 07:35:40 -06:00
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struct tegra_drm_client {
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struct host1x_client base;
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2013-10-14 06:43:22 -06:00
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struct list_head list;
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2019-02-01 06:28:31 -07:00
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struct tegra_drm *drm;
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2013-03-22 08:34:09 -06:00
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2018-05-16 09:05:04 -06:00
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unsigned int version;
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const struct tegra_drm_client_ops *ops;
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};
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static inline struct tegra_drm_client *
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host1x_to_drm_client(struct host1x_client *client)
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{
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return container_of(client, struct tegra_drm_client, base);
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}
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2014-04-16 01:54:21 -06:00
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int tegra_drm_register_client(struct tegra_drm *tegra,
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struct tegra_drm_client *client);
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int tegra_drm_unregister_client(struct tegra_drm *tegra,
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struct tegra_drm_client *client);
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2018-05-04 07:02:24 -06:00
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struct iommu_group *host1x_client_iommu_attach(struct host1x_client *client,
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bool shared);
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void host1x_client_iommu_detach(struct host1x_client *client,
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struct iommu_group *group);
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2013-10-14 06:43:22 -06:00
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2014-04-16 01:54:21 -06:00
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int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
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int tegra_drm_exit(struct tegra_drm *tegra);
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2012-11-15 14:28:22 -07:00
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2016-12-14 04:16:11 -07:00
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void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
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void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
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dma_addr_t iova);
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2017-09-11 06:29:52 -06:00
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struct cec_notifier;
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2012-11-15 14:28:22 -07:00
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struct tegra_output {
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struct device_node *of_node;
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struct device *dev;
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2013-08-30 07:22:36 -06:00
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struct drm_panel *panel;
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2012-11-15 14:28:22 -07:00
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struct i2c_adapter *ddc;
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const struct edid *edid;
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2018-12-10 09:34:54 -07:00
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struct cec_notifier *cec;
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2012-11-15 14:28:22 -07:00
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unsigned int hpd_irq;
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int hpd_gpio;
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enum of_gpio_flags hpd_gpio_flags;
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2012-11-15 14:28:22 -07:00
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struct drm_encoder encoder;
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struct drm_connector connector;
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};
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static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
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{
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return container_of(e, struct tegra_output, encoder);
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}
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static inline struct tegra_output *connector_to_output(struct drm_connector *c)
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{
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return container_of(c, struct tegra_output, connector);
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}
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/* from output.c */
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int tegra_output_probe(struct tegra_output *output);
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void tegra_output_remove(struct tegra_output *output);
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int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
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void tegra_output_exit(struct tegra_output *output);
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void tegra_output_find_possible_crtcs(struct tegra_output *output,
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struct drm_device *drm);
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2012-11-15 14:28:22 -07:00
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2014-11-28 07:38:40 -07:00
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int tegra_output_connector_get_modes(struct drm_connector *connector);
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enum drm_connector_status
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tegra_output_connector_detect(struct drm_connector *connector, bool force);
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void tegra_output_connector_destroy(struct drm_connector *connector);
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void tegra_output_encoder_destroy(struct drm_encoder *encoder);
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2013-11-15 08:06:05 -07:00
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/* from dpaux.c */
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struct drm_dp_link;
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2015-07-08 05:39:09 -06:00
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struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
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enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
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int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
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int drm_dp_aux_detach(struct drm_dp_aux *aux);
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int drm_dp_aux_enable(struct drm_dp_aux *aux);
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int drm_dp_aux_disable(struct drm_dp_aux *aux);
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int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
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int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
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u8 pattern);
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2013-11-15 08:06:05 -07:00
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2012-11-15 14:28:22 -07:00
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/* from fb.c */
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struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
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unsigned int index);
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2013-10-07 01:47:58 -06:00
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bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
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2014-06-03 06:48:12 -06:00
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int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
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struct tegra_bo_tiling *tiling);
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2014-11-26 05:03:57 -07:00
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struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
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struct drm_file *file,
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2015-11-11 10:11:29 -07:00
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const struct drm_mode_fb_cmd2 *cmd);
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2014-06-27 09:19:25 -06:00
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int tegra_drm_fb_prepare(struct drm_device *drm);
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2014-11-06 06:12:08 -07:00
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void tegra_drm_fb_free(struct drm_device *drm);
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2014-04-16 01:54:21 -06:00
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int tegra_drm_fb_init(struct drm_device *drm);
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void tegra_drm_fb_exit(struct drm_device *drm);
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2012-11-15 14:28:22 -07:00
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2017-11-13 03:08:13 -07:00
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extern struct platform_driver tegra_display_hub_driver;
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2013-10-14 06:43:22 -06:00
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extern struct platform_driver tegra_dc_driver;
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extern struct platform_driver tegra_hdmi_driver;
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2015-09-10 08:07:14 -06:00
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extern struct platform_driver tegra_dsi_driver;
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extern struct platform_driver tegra_dpaux_driver;
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extern struct platform_driver tegra_sor_driver;
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2013-10-14 06:43:22 -06:00
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extern struct platform_driver tegra_gr2d_driver;
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2013-02-28 00:08:01 -07:00
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extern struct platform_driver tegra_gr3d_driver;
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2016-12-14 04:16:13 -07:00
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extern struct platform_driver tegra_vic_driver;
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2012-11-15 14:28:22 -07:00
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2013-03-22 08:34:05 -06:00
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#endif /* HOST1X_DRM_H */
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