1d2912cb1SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2dee8268fSThierry Reding /* 3dee8268fSThierry Reding * Copyright (C) 2012 Avionic Design GmbH 4dee8268fSThierry Reding * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved. 5dee8268fSThierry Reding */ 6dee8268fSThierry Reding 7dee8268fSThierry Reding #ifndef HOST1X_DRM_H 8dee8268fSThierry Reding #define HOST1X_DRM_H 1 9dee8268fSThierry Reding 10dee8268fSThierry Reding #include <linux/host1x.h> 11ad926015SMikko Perttunen #include <linux/iova.h> 12ac2caae6SLinus Walleij #include <linux/gpio/consumer.h> 13dee8268fSThierry Reding 14c4755fb9SThierry Reding #include <drm/drm_atomic.h> 15f00b9dd5SDmitry Osipenko #include <drm/drm_bridge.h> 169338203cSLaurent Pinchart #include <drm/drm_encoder.h> 17dee8268fSThierry Reding #include <drm/drm_fixed.h> 18fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 19eb1df694SSam Ravnborg #include <uapi/drm/tegra_drm.h> 20dee8268fSThierry Reding 21c134f019SThierry Reding #include "gem.h" 22c4755fb9SThierry Reding #include "hub.h" 2367e04d1aSThierry Reding #include "trace.h" 24c134f019SThierry Reding 257b6f8467SThierry Reding /* XXX move to include/uapi/drm/drm_fourcc.h? */ 26671cc352SDmitry Osipenko #define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT BIT_ULL(22) 277b6f8467SThierry Reding 2811aa6d78SJani Nikula struct edid; 29ca48080aSStephen Warren struct reset_control; 30ca48080aSStephen Warren 31dee8268fSThierry Reding struct tegra_drm { 32dee8268fSThierry Reding struct drm_device *drm; 33dee8268fSThierry Reding 34df06b759SThierry Reding struct iommu_domain *domain; 35fa6661b7SThierry Reding bool use_explicit_iommu; 36347ad49dSThierry Reding struct mutex mm_lock; 37df06b759SThierry Reding struct drm_mm mm; 38df06b759SThierry Reding 39ad926015SMikko Perttunen struct { 40ad926015SMikko Perttunen struct iova_domain domain; 41ad926015SMikko Perttunen unsigned long shift; 42ad926015SMikko Perttunen unsigned long limit; 43ad926015SMikko Perttunen } carveout; 44ad926015SMikko Perttunen 45dee8268fSThierry Reding struct mutex clients_lock; 46dee8268fSThierry Reding struct list_head clients; 47dee8268fSThierry Reding 48042c0bd7SThierry Reding unsigned int hmask, vmask; 49d1f3e1e0SThierry Reding unsigned int pitch_align; 5005d1adfeSThierry Reding unsigned int num_crtcs; 511503ca47SThierry Reding 52c4755fb9SThierry Reding struct tegra_display_hub *hub; 53dee8268fSThierry Reding }; 54dee8268fSThierry Reding 55d7c591bcSMikko Perttunen static inline struct host1x *tegra_drm_to_host1x(struct tegra_drm *tegra) 56d7c591bcSMikko Perttunen { 57d7c591bcSMikko Perttunen return dev_get_drvdata(tegra->drm->dev->parent); 58d7c591bcSMikko Perttunen } 59d7c591bcSMikko Perttunen 60dee8268fSThierry Reding struct tegra_drm_client; 61dee8268fSThierry Reding 62dee8268fSThierry Reding struct tegra_drm_context { 63dee8268fSThierry Reding struct tegra_drm_client *client; 64dee8268fSThierry Reding struct host1x_channel *channel; 65d7c591bcSMikko Perttunen 66d7c591bcSMikko Perttunen /* Only used by legacy UAPI. */ 67bdd2f9cdSThierry Reding unsigned int id; 68d7c591bcSMikko Perttunen 69d7c591bcSMikko Perttunen /* Only used by new UAPI. */ 70d7c591bcSMikko Perttunen struct xarray mappings; 71e09db978SMikko Perttunen struct host1x_memory_context *memory_context; 72dee8268fSThierry Reding }; 73dee8268fSThierry Reding 74dee8268fSThierry Reding struct tegra_drm_client_ops { 75dee8268fSThierry Reding int (*open_channel)(struct tegra_drm_client *client, 76dee8268fSThierry Reding struct tegra_drm_context *context); 77dee8268fSThierry Reding void (*close_channel)(struct tegra_drm_context *context); 78c40f0f1aSThierry Reding int (*is_addr_reg)(struct device *dev, u32 class, u32 offset); 790f563a4bSDmitry Osipenko int (*is_valid_class)(u32 class); 80dee8268fSThierry Reding int (*submit)(struct tegra_drm_context *context, 81dee8268fSThierry Reding struct drm_tegra_submit *args, struct drm_device *drm, 82dee8268fSThierry Reding struct drm_file *file); 83e09db978SMikko Perttunen int (*get_streamid_offset)(struct tegra_drm_client *client, u32 *offset); 84e09db978SMikko Perttunen int (*can_use_memory_ctx)(struct tegra_drm_client *client, bool *supported); 85dee8268fSThierry Reding }; 86dee8268fSThierry Reding 87c40f0f1aSThierry Reding int tegra_drm_submit(struct tegra_drm_context *context, 88c40f0f1aSThierry Reding struct drm_tegra_submit *args, struct drm_device *drm, 89c40f0f1aSThierry Reding struct drm_file *file); 90c40f0f1aSThierry Reding 91bf0297acSMikko Perttunen static inline int 92bf0297acSMikko Perttunen tegra_drm_get_streamid_offset_thi(struct tegra_drm_client *client, u32 *offset) 93bf0297acSMikko Perttunen { 94bf0297acSMikko Perttunen *offset = 0x30; 95bf0297acSMikko Perttunen 96bf0297acSMikko Perttunen return 0; 97bf0297acSMikko Perttunen } 98bf0297acSMikko Perttunen 99dee8268fSThierry Reding struct tegra_drm_client { 100dee8268fSThierry Reding struct host1x_client base; 101dee8268fSThierry Reding struct list_head list; 1028e5d19c6SThierry Reding struct tegra_drm *drm; 103e0f2977cSMikko Perttunen struct host1x_channel *shared_channel; 104dee8268fSThierry Reding 105e0f2977cSMikko Perttunen /* Set by driver */ 106f3b3cfccSThierry Reding unsigned int version; 107dee8268fSThierry Reding const struct tegra_drm_client_ops *ops; 108dee8268fSThierry Reding }; 109dee8268fSThierry Reding 110dee8268fSThierry Reding static inline struct tegra_drm_client * 111dee8268fSThierry Reding host1x_to_drm_client(struct host1x_client *client) 112dee8268fSThierry Reding { 113dee8268fSThierry Reding return container_of(client, struct tegra_drm_client, base); 114dee8268fSThierry Reding } 115dee8268fSThierry Reding 116688c59afSThierry Reding int tegra_drm_register_client(struct tegra_drm *tegra, 117dee8268fSThierry Reding struct tegra_drm_client *client); 118688c59afSThierry Reding int tegra_drm_unregister_client(struct tegra_drm *tegra, 119dee8268fSThierry Reding struct tegra_drm_client *client); 1207edd7961SThierry Reding int host1x_client_iommu_attach(struct host1x_client *client); 121aacdf198SThierry Reding void host1x_client_iommu_detach(struct host1x_client *client); 122dee8268fSThierry Reding 123ad926015SMikko Perttunen void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova); 124ad926015SMikko Perttunen void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt, 125ad926015SMikko Perttunen dma_addr_t iova); 126ad926015SMikko Perttunen 127fb83be88SHans Verkuil struct cec_notifier; 128fb83be88SHans Verkuil 129dee8268fSThierry Reding struct tegra_output { 130dee8268fSThierry Reding struct device_node *of_node; 131dee8268fSThierry Reding struct device *dev; 132dee8268fSThierry Reding 133f00b9dd5SDmitry Osipenko struct drm_bridge *bridge; 1349be7d864SThierry Reding struct drm_panel *panel; 135dee8268fSThierry Reding struct i2c_adapter *ddc; 136*98365ca7SJani Nikula const struct drm_edid *drm_edid; 137f25d0a68SThierry Reding struct cec_notifier *cec; 138dee8268fSThierry Reding unsigned int hpd_irq; 139bbad6407SThierry Reding struct gpio_desc *hpd_gpio; 140dee8268fSThierry Reding 141dee8268fSThierry Reding struct drm_encoder encoder; 142dee8268fSThierry Reding struct drm_connector connector; 143dee8268fSThierry Reding }; 144dee8268fSThierry Reding 145dee8268fSThierry Reding static inline struct tegra_output *encoder_to_output(struct drm_encoder *e) 146dee8268fSThierry Reding { 147dee8268fSThierry Reding return container_of(e, struct tegra_output, encoder); 148dee8268fSThierry Reding } 149dee8268fSThierry Reding 150dee8268fSThierry Reding static inline struct tegra_output *connector_to_output(struct drm_connector *c) 151dee8268fSThierry Reding { 152dee8268fSThierry Reding return container_of(c, struct tegra_output, connector); 153dee8268fSThierry Reding } 154dee8268fSThierry Reding 155dee8268fSThierry Reding /* from output.c */ 156688c59afSThierry Reding int tegra_output_probe(struct tegra_output *output); 157328ec69eSThierry Reding void tegra_output_remove(struct tegra_output *output); 158688c59afSThierry Reding int tegra_output_init(struct drm_device *drm, struct tegra_output *output); 159328ec69eSThierry Reding void tegra_output_exit(struct tegra_output *output); 160c57997bcSThierry Reding void tegra_output_find_possible_crtcs(struct tegra_output *output, 161c57997bcSThierry Reding struct drm_device *drm); 162fd67e9c6SThierry Reding int tegra_output_suspend(struct tegra_output *output); 163fd67e9c6SThierry Reding int tegra_output_resume(struct tegra_output *output); 164dee8268fSThierry Reding 165132085d8SThierry Reding int tegra_output_connector_get_modes(struct drm_connector *connector); 166132085d8SThierry Reding enum drm_connector_status 167132085d8SThierry Reding tegra_output_connector_detect(struct drm_connector *connector, bool force); 168132085d8SThierry Reding void tegra_output_connector_destroy(struct drm_connector *connector); 169132085d8SThierry Reding 1706b6b6042SThierry Reding /* from dpaux.c */ 1719542c237SThierry Reding struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np); 1729542c237SThierry Reding enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux); 1739542c237SThierry Reding int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output); 1749542c237SThierry Reding int drm_dp_aux_detach(struct drm_dp_aux *aux); 1759542c237SThierry Reding int drm_dp_aux_enable(struct drm_dp_aux *aux); 1769542c237SThierry Reding int drm_dp_aux_disable(struct drm_dp_aux *aux); 1776b6b6042SThierry Reding 178dee8268fSThierry Reding /* from fb.c */ 179dee8268fSThierry Reding struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer, 180dee8268fSThierry Reding unsigned int index); 181db7fbdfdSThierry Reding bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer); 182c134f019SThierry Reding int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer, 183c134f019SThierry Reding struct tegra_bo_tiling *tiling); 1841ac45068SThomas Zimmermann struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm, 1851ac45068SThomas Zimmermann const struct drm_mode_fb_cmd2 *mode_cmd, 1861ac45068SThomas Zimmermann struct tegra_bo **planes, 1871ac45068SThomas Zimmermann unsigned int num_planes); 188f9914214SThierry Reding struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, 189f9914214SThierry Reding struct drm_file *file, 1901eb83451SVille Syrjälä const struct drm_mode_fb_cmd2 *cmd); 1911ac45068SThomas Zimmermann 1921ac45068SThomas Zimmermann #ifdef CONFIG_DRM_FBDEV_EMULATION 19371ec16f4SThomas Zimmermann void tegra_fbdev_setup(struct drm_device *drm); 1941ac45068SThomas Zimmermann #else 19571ec16f4SThomas Zimmermann static inline void tegra_fbdev_setup(struct drm_device *drm) 1961ac45068SThomas Zimmermann { } 1971ac45068SThomas Zimmermann #endif 198dee8268fSThierry Reding 199c4755fb9SThierry Reding extern struct platform_driver tegra_display_hub_driver; 200dee8268fSThierry Reding extern struct platform_driver tegra_dc_driver; 201dee8268fSThierry Reding extern struct platform_driver tegra_hdmi_driver; 202473112e4SThierry Reding extern struct platform_driver tegra_dsi_driver; 2036b6b6042SThierry Reding extern struct platform_driver tegra_dpaux_driver; 204473112e4SThierry Reding extern struct platform_driver tegra_sor_driver; 205dee8268fSThierry Reding extern struct platform_driver tegra_gr2d_driver; 2065f60ed0dSThierry Reding extern struct platform_driver tegra_gr3d_driver; 2070ae797a8SArto Merilainen extern struct platform_driver tegra_vic_driver; 20846f226c9SMikko Perttunen extern struct platform_driver tegra_nvdec_driver; 209dee8268fSThierry Reding 210dee8268fSThierry Reding #endif /* HOST1X_DRM_H */ 211