/* * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark * * 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. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see . */ #ifndef __MSM_DRV_H__ #define __MSM_DRV_H__ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct msm_kms; struct msm_gpu; struct msm_mmu; struct msm_mdss; struct msm_rd_state; struct msm_perf_state; struct msm_gem_submit; struct msm_fence_context; struct msm_gem_address_space; struct msm_gem_vma; #define MAX_CRTCS 8 #define MAX_PLANES 20 #define MAX_ENCODERS 8 #define MAX_BRIDGES 8 #define MAX_CONNECTORS 8 #define FRAC_16_16(mult, div) (((mult) << 16) / (div)) struct msm_file_private { rwlock_t queuelock; struct list_head submitqueues; int queueid; }; enum msm_mdp_plane_property { PLANE_PROP_ZPOS, PLANE_PROP_ALPHA, PLANE_PROP_PREMULTIPLIED, PLANE_PROP_MAX_NUM }; struct msm_vblank_ctrl { struct kthread_work work; struct list_head event_list; spinlock_t lock; }; #define MSM_GPU_MAX_RINGS 4 #define MAX_H_TILES_PER_DISPLAY 2 /** * enum msm_display_caps - features/capabilities supported by displays * @MSM_DISPLAY_CAP_VID_MODE: Video or "active" mode supported * @MSM_DISPLAY_CAP_CMD_MODE: Command mode supported * @MSM_DISPLAY_CAP_HOT_PLUG: Hot plug detection supported * @MSM_DISPLAY_CAP_EDID: EDID supported */ enum msm_display_caps { MSM_DISPLAY_CAP_VID_MODE = BIT(0), MSM_DISPLAY_CAP_CMD_MODE = BIT(1), MSM_DISPLAY_CAP_HOT_PLUG = BIT(2), MSM_DISPLAY_CAP_EDID = BIT(3), }; /** * enum msm_event_wait - type of HW events to wait for * @MSM_ENC_COMMIT_DONE - wait for the driver to flush the registers to HW * @MSM_ENC_TX_COMPLETE - wait for the HW to transfer the frame to panel * @MSM_ENC_VBLANK - wait for the HW VBLANK event (for driver-internal waiters) */ enum msm_event_wait { MSM_ENC_COMMIT_DONE = 0, MSM_ENC_TX_COMPLETE, MSM_ENC_VBLANK, }; /** * struct msm_display_topology - defines a display topology pipeline * @num_lm: number of layer mixers used * @num_enc: number of compression encoder blocks used * @num_intf: number of interfaces the panel is mounted on */ struct msm_display_topology { u32 num_lm; u32 num_enc; u32 num_intf; }; /** * struct msm_display_info - defines display properties * @intf_type: DRM_MODE_CONNECTOR_ display type * @capabilities: Bitmask of display flags * @num_of_h_tiles: Number of horizontal tiles in case of split interface * @h_tile_instance: Controller instance used per tile. Number of elements is * based on num_of_h_tiles * @is_te_using_watchdog_timer: Boolean to indicate watchdog TE is * used instead of panel TE in cmd mode panels */ struct msm_display_info { int intf_type; uint32_t capabilities; uint32_t num_of_h_tiles; uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY]; bool is_te_using_watchdog_timer; }; /* Commit/Event thread specific structure */ struct msm_drm_thread { struct drm_device *dev; struct task_struct *thread; unsigned int crtc_id; struct kthread_worker worker; }; struct msm_drm_private { struct drm_device *dev; struct msm_kms *kms; /* subordinate devices, if present: */ struct platform_device *gpu_pdev; /* top level MDSS wrapper device (for MDP5/DPU only) */ struct msm_mdss *mdss; /* possibly this should be in the kms component, but it is * shared by both mdp4 and mdp5.. */ struct hdmi *hdmi; /* eDP is for mdp5 only, but kms has not been created * when edp_bind() and edp_init() are called. Here is the only * place to keep the edp instance. */ struct msm_edp *edp; /* DSI is shared by mdp4 and mdp5 */ struct msm_dsi *dsi[2]; /* when we have more than one 'msm_gpu' these need to be an array: */ struct msm_gpu *gpu; struct msm_file_private *lastctx; struct drm_fb_helper *fbdev; struct msm_rd_state *rd; /* debugfs to dump all submits */ struct msm_rd_state *hangrd; /* debugfs to dump hanging submits */ struct msm_perf_state *perf; /* list of GEM objects: */ struct list_head inactive_list; struct workqueue_struct *wq; unsigned int num_planes; struct drm_plane *planes[MAX_PLANES]; unsigned int num_crtcs; struct drm_crtc *crtcs[MAX_CRTCS]; struct msm_drm_thread disp_thread[MAX_CRTCS]; struct msm_drm_thread event_thread[MAX_CRTCS]; unsigned int num_encoders; struct drm_encoder *encoders[MAX_ENCODERS]; unsigned int num_bridges; struct drm_bridge *bridges[MAX_BRIDGES]; unsigned int num_connectors; struct drm_connector *connectors[MAX_CONNECTORS]; /* Properties */ struct drm_property *plane_property[PLANE_PROP_MAX_NUM]; /* VRAM carveout, used when no IOMMU: */ struct { unsigned long size; dma_addr_t paddr; /* NOTE: mm managed at the page level, size is in # of pages * and position mm_node->start is in # of pages: */ struct drm_mm mm; spinlock_t lock; /* Protects drm_mm node allocation/removal */ } vram; struct notifier_block vmap_notifier; struct shrinker shrinker; struct msm_vblank_ctrl vblank_ctrl; struct drm_atomic_state *pm_state; }; struct msm_format { uint32_t pixel_format; }; int msm_atomic_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state); void msm_atomic_commit_tail(struct drm_atomic_state *state); struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev); void msm_atomic_state_clear(struct drm_atomic_state *state); void msm_atomic_state_free(struct drm_atomic_state *state); int msm_gem_init_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma, int npages); void msm_gem_purge_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma); void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma); int msm_gem_map_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma, struct sg_table *sgt, int npages); void msm_gem_close_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma); void msm_gem_address_space_put(struct msm_gem_address_space *aspace); struct msm_gem_address_space * msm_gem_address_space_create(struct device *dev, struct iommu_domain *domain, const char *name); int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu); void msm_unregister_mmu(struct drm_device *dev, struct msm_mmu *mmu); void msm_gem_submit_free(struct msm_gem_submit *submit); int msm_ioctl_gem_submit(struct drm_device *dev, void *data, struct drm_file *file); void msm_gem_shrinker_init(struct drm_device *dev); void msm_gem_shrinker_cleanup(struct drm_device *dev); int msm_gem_mmap_obj(struct drm_gem_object *obj, struct vm_area_struct *vma); int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma); vm_fault_t msm_gem_fault(struct vm_fault *vmf); uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); int msm_gem_get_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova); int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova); uint64_t msm_gem_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace); void msm_gem_unpin_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace); struct page **msm_gem_get_pages(struct drm_gem_object *obj); void msm_gem_put_pages(struct drm_gem_object *obj); int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset); struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); void *msm_gem_prime_vmap(struct drm_gem_object *obj); void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj); struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); int msm_gem_prime_pin(struct drm_gem_object *obj); void msm_gem_prime_unpin(struct drm_gem_object *obj); void *msm_gem_get_vaddr(struct drm_gem_object *obj); void *msm_gem_get_vaddr_active(struct drm_gem_object *obj); void msm_gem_put_vaddr(struct drm_gem_object *obj); int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv); int msm_gem_sync_object(struct drm_gem_object *obj, struct msm_fence_context *fctx, bool exclusive); void msm_gem_move_to_active(struct drm_gem_object *obj, struct msm_gpu *gpu, bool exclusive, struct dma_fence *fence); void msm_gem_move_to_inactive(struct drm_gem_object *obj); int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout); int msm_gem_cpu_fini(struct drm_gem_object *obj); void msm_gem_free_object(struct drm_gem_object *obj); int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, uint32_t size, uint32_t flags, uint32_t *handle, char *name); struct drm_gem_object *msm_gem_new(struct drm_device *dev, uint32_t size, uint32_t flags); struct drm_gem_object *msm_gem_new_locked(struct drm_device *dev, uint32_t size, uint32_t flags); void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size, uint32_t flags, struct msm_gem_address_space *aspace, struct drm_gem_object **bo, uint64_t *iova); void *msm_gem_kernel_new_locked(struct drm_device *dev, uint32_t size, uint32_t flags, struct msm_gem_address_space *aspace, struct drm_gem_object **bo, uint64_t *iova); void msm_gem_kernel_put(struct drm_gem_object *bo, struct msm_gem_address_space *aspace, bool locked); struct drm_gem_object *msm_gem_import(struct drm_device *dev, struct dma_buf *dmabuf, struct sg_table *sgt); void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...); int msm_framebuffer_prepare(struct drm_framebuffer *fb, struct msm_gem_address_space *aspace); void msm_framebuffer_cleanup(struct drm_framebuffer *fb, struct msm_gem_address_space *aspace); uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb, struct msm_gem_address_space *aspace, int plane); struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane); const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb); struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); struct drm_framebuffer * msm_alloc_stolen_fb(struct drm_device *dev, int w, int h, int p, uint32_t format); struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev); void msm_fbdev_free(struct drm_device *dev); struct hdmi; int msm_hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev, struct drm_encoder *encoder); void __init msm_hdmi_register(void); void __exit msm_hdmi_unregister(void); struct msm_edp; void __init msm_edp_register(void); void __exit msm_edp_unregister(void); int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev, struct drm_encoder *encoder); struct msm_dsi; #ifdef CONFIG_DRM_MSM_DSI void __init msm_dsi_register(void); void __exit msm_dsi_unregister(void); int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev, struct drm_encoder *encoder); #else static inline void __init msm_dsi_register(void) { } static inline void __exit msm_dsi_unregister(void) { } static inline int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev, struct drm_encoder *encoder) { return -EINVAL; } #endif void __init msm_mdp_register(void); void __exit msm_mdp_unregister(void); void __init msm_dpu_register(void); void __exit msm_dpu_unregister(void); #ifdef CONFIG_DEBUG_FS void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m); void msm_gem_describe_objects(struct list_head *list, struct seq_file *m); void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); int msm_debugfs_late_init(struct drm_device *dev); int msm_rd_debugfs_init(struct drm_minor *minor); void msm_rd_debugfs_cleanup(struct msm_drm_private *priv); void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit, const char *fmt, ...); int msm_perf_debugfs_init(struct drm_minor *minor); void msm_perf_debugfs_cleanup(struct msm_drm_private *priv); #else static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; } static inline void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit, const char *fmt, ...) {} static inline void msm_rd_debugfs_cleanup(struct msm_drm_private *priv) {} static inline void msm_perf_debugfs_cleanup(struct msm_drm_private *priv) {} #endif struct clk *msm_clk_get(struct platform_device *pdev, const char *name); int msm_clk_bulk_get(struct device *dev, struct clk_bulk_data **bulk); struct clk *msm_clk_bulk_get_clock(struct clk_bulk_data *bulk, int count, const char *name); void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, const char *dbgname); void msm_writel(u32 data, void __iomem *addr); u32 msm_readl(const void __iomem *addr); struct msm_gpu_submitqueue; int msm_submitqueue_init(struct drm_device *drm, struct msm_file_private *ctx); struct msm_gpu_submitqueue *msm_submitqueue_get(struct msm_file_private *ctx, u32 id); int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx, u32 prio, u32 flags, u32 *id); int msm_submitqueue_remove(struct msm_file_private *ctx, u32 id); void msm_submitqueue_close(struct msm_file_private *ctx); void msm_submitqueue_destroy(struct kref *kref); #define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) #define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) static inline int align_pitch(int width, int bpp) { int bytespp = (bpp + 7) / 8; /* adreno needs pitch aligned to 32 pixels: */ return bytespp * ALIGN(width, 32); } /* for the generated headers: */ #define INVALID_IDX(idx) ({BUG(); 0;}) #define fui(x) ({BUG(); 0;}) #define util_float_to_half(x) ({BUG(); 0;}) #define FIELD(val, name) (((val) & name ## __MASK) >> name ## __SHIFT) /* for conditionally setting boolean flag(s): */ #define COND(bool, val) ((bool) ? (val) : 0) static inline unsigned long timeout_to_jiffies(const ktime_t *timeout) { ktime_t now = ktime_get(); unsigned long remaining_jiffies; if (ktime_compare(*timeout, now) < 0) { remaining_jiffies = 0; } else { ktime_t rem = ktime_sub(*timeout, now); struct timespec ts = ktime_to_timespec(rem); remaining_jiffies = timespec_to_jiffies(&ts); } return remaining_jiffies; } #endif /* __MSM_DRV_H__ */