/* * 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 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_fence_cb; struct msm_gem_address_space; struct msm_gem_vma; #define NUM_DOMAINS 2 /* one for KMS, then one per gpu core (?) */ struct msm_file_private { /* currently we don't do anything useful with this.. but when * per-context address spaces are supported we'd keep track of * the context's page-tables here. */ int dummy; }; enum msm_mdp_plane_property { PLANE_PROP_ZPOS, PLANE_PROP_ALPHA, PLANE_PROP_PREMULTIPLIED, PLANE_PROP_MAX_NUM }; struct msm_vblank_ctrl { struct work_struct work; struct list_head event_list; spinlock_t lock; }; 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 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; struct msm_perf_state *perf; /* list of GEM objects: */ struct list_head inactive_list; struct workqueue_struct *wq; struct workqueue_struct *atomic_wq; /* crtcs pending async atomic updates: */ uint32_t pending_crtcs; wait_queue_head_t pending_crtcs_event; /* Registered address spaces.. currently this is fixed per # of * iommu's. Ie. one for display block and one for gpu block. * Eventually, to do per-process gpu pagetables, we'll want one * of these per-process. */ unsigned int num_aspaces; struct msm_gem_address_space *aspace[NUM_DOMAINS]; unsigned int num_planes; struct drm_plane *planes[16]; unsigned int num_crtcs; struct drm_crtc *crtcs[8]; unsigned int num_encoders; struct drm_encoder *encoders[8]; unsigned int num_bridges; struct drm_bridge *bridges[8]; unsigned int num_connectors; struct drm_connector *connectors[8]; /* 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; } vram; struct notifier_block vmap_notifier; struct shrinker shrinker; struct msm_vblank_ctrl vblank_ctrl; /* task holding struct_mutex.. currently only used in submit path * to detect and reject faults from copy_from_user() for submit * ioctl. */ struct task_struct *struct_mutex_task; }; struct msm_format { uint32_t pixel_format; }; int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); int msm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock); 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_register_address_space(struct drm_device *dev, struct msm_gem_address_space *aspace); void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma, struct sg_table *sgt); 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_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); 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); int msm_gem_fault(struct vm_fault *vmf); uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); int msm_gem_get_iova_locked(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova); int msm_gem_get_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); struct page **msm_gem_get_pages(struct drm_gem_object *obj); void msm_gem_put_pages(struct drm_gem_object *obj); void msm_gem_put_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace); 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_locked(struct drm_gem_object *obj); void *msm_gem_get_vaddr(struct drm_gem_object *obj); void msm_gem_put_vaddr_locked(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); void msm_gem_purge(struct drm_gem_object *obj); void msm_gem_vunmap(struct drm_gem_object *obj); 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); struct drm_gem_object *msm_gem_new(struct drm_device *dev, uint32_t size, uint32_t flags); struct drm_gem_object *msm_gem_import(struct drm_device *dev, struct dma_buf *dmabuf, struct sg_table *sgt); 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_init(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); 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); #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_gem_submit *submit); 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_gem_submit *submit) {} 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); 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); #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__ */