/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark <[email protected]> */ #ifndef __MSM_DRV_H__ #define __MSM_DRV_H__ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/cpufreq.h> #include <linux/devfreq.h> #include <linux/module.h> #include <linux/component.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/list.h> #include <linux/iommu.h> #include <linux/types.h> #include <linux/of_graph.h> #include <linux/of_device.h> #include <linux/sizes.h> #include <linux/kthread.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_probe_helper.h> #include <drm/display/drm_dsc.h> #include <drm/msm_drm.h> #include <drm/drm_gem.h> extern struct fault_attr fail_gem_alloc; extern struct fault_attr fail_gem_iova; 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; struct msm_disp_state; #define MAX_CRTCS … #define MAX_BRIDGES … #define FRAC_16_16(mult, div) … enum msm_dp_controller { … }; enum msm_dsi_controller { … }; #define MSM_GPU_MAX_RINGS … #define MAX_H_TILES_PER_DISPLAY … /** * struct msm_display_topology - defines a display topology pipeline * @num_lm: number of layer mixers used * @num_intf: number of interfaces the panel is mounted on * @num_dspp: number of dspp blocks used * @num_dsc: number of Display Stream Compression (DSC) blocks used * @needs_cdm: indicates whether cdm block is needed for this display topology */ struct msm_display_topology { … }; /* Commit/Event thread specific structure */ struct msm_drm_thread { … }; struct msm_drm_private { … }; const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format, uint64_t modifier); struct msm_pending_timer; int msm_atomic_init_pending_timer(struct msm_pending_timer *timer, struct msm_kms *kms, int crtc_idx); void msm_atomic_destroy_pending_timer(struct msm_pending_timer *timer); void msm_atomic_commit_tail(struct drm_atomic_state *state); int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev); int msm_crtc_enable_vblank(struct drm_crtc *crtc); void msm_crtc_disable_vblank(struct drm_crtc *crtc); int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu); void msm_unregister_mmu(struct drm_device *dev, struct msm_mmu *mmu); struct msm_gem_address_space *msm_kms_init_aspace(struct drm_device *dev); bool msm_use_mmu(struct drm_device *dev); int msm_ioctl_gem_submit(struct drm_device *dev, void *data, struct drm_file *file); #ifdef CONFIG_DEBUG_FS unsigned long msm_gem_shrinker_shrink(struct drm_device *dev, unsigned long nr_to_scan); #endif int msm_gem_shrinker_init(struct drm_device *dev); void msm_gem_shrinker_cleanup(struct drm_device *dev); struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); int msm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map); 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); int msm_framebuffer_prepare(struct drm_framebuffer *fb, struct msm_gem_address_space *aspace, bool needs_dirtyfb); void msm_framebuffer_cleanup(struct drm_framebuffer *fb, struct msm_gem_address_space *aspace, bool needed_dirtyfb); 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); #ifdef CONFIG_DRM_FBDEV_EMULATION void msm_fbdev_setup(struct drm_device *dev); #else static inline void msm_fbdev_setup(struct drm_device *dev) { } #endif struct hdmi; #ifdef CONFIG_DRM_MSM_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); #else static inline int msm_hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev, struct drm_encoder *encoder) { return -EINVAL; } static inline void __init msm_hdmi_register(void) {} static inline void __exit msm_hdmi_unregister(void) {} #endif struct msm_dsi; #ifdef CONFIG_DRM_MSM_DSI int dsi_dev_attach(struct platform_device *pdev); void dsi_dev_detach(struct platform_device *pdev); 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); void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi *msm_dsi); bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi); bool msm_dsi_is_bonded_dsi(struct msm_dsi *msm_dsi); bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi); bool msm_dsi_wide_bus_enabled(struct msm_dsi *msm_dsi); struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi); const char *msm_dsi_get_te_source(struct msm_dsi *msm_dsi); #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; } static inline void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi *msm_dsi) { } static inline bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi) { return false; } static inline bool msm_dsi_is_bonded_dsi(struct msm_dsi *msm_dsi) { return false; } static inline bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi) { return false; } static inline bool msm_dsi_wide_bus_enabled(struct msm_dsi *msm_dsi) { return false; } static inline struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi) { return NULL; } static inline const char *msm_dsi_get_te_source(struct msm_dsi *msm_dsi) { return NULL; } #endif #ifdef CONFIG_DRM_MSM_DP int __init msm_dp_register(void); void __exit msm_dp_unregister(void); int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder, bool yuv_supported); void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp_display); bool msm_dp_is_yuv_420_enabled(const struct msm_dp *dp_display, const struct drm_display_mode *mode); bool msm_dp_needs_periph_flush(const struct msm_dp *dp_display, const struct drm_display_mode *mode); bool msm_dp_wide_bus_available(const struct msm_dp *dp_display); #else static inline int __init msm_dp_register(void) { return -EINVAL; } static inline void __exit msm_dp_unregister(void) { } static inline int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder, bool yuv_supported) { return -EINVAL; } static inline void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp_display) { } static inline bool msm_dp_is_yuv_420_enabled(const struct msm_dp *dp_display, const struct drm_display_mode *mode) { return false; } static inline bool msm_dp_needs_periph_flush(const struct msm_dp *dp_display, const struct drm_display_mode *mode) { return false; } static inline bool msm_dp_wide_bus_available(const struct msm_dp *dp_display) { return false; } #endif #ifdef CONFIG_DRM_MSM_MDP4 void msm_mdp4_register(void); void msm_mdp4_unregister(void); #else static inline void msm_mdp4_register(void) {} static inline void msm_mdp4_unregister(void) {} #endif #ifdef CONFIG_DRM_MSM_MDP5 void msm_mdp_register(void); void msm_mdp_unregister(void); #else static inline void msm_mdp_register(void) {} static inline void msm_mdp_unregister(void) {} #endif #ifdef CONFIG_DRM_MSM_DPU void msm_dpu_register(void); void msm_dpu_unregister(void); #else static inline void msm_dpu_register(void) {} static inline void msm_dpu_unregister(void) {} #endif #ifdef CONFIG_DRM_MSM_MDSS void msm_mdss_register(void); void msm_mdss_unregister(void); #else static inline void msm_mdss_register(void) {} static inline void msm_mdss_unregister(void) {} #endif #ifdef CONFIG_DEBUG_FS 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); __printf(3, 4) 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; } __printf(3, 4) 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); 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); void __iomem *msm_ioremap_size(struct platform_device *pdev, const char *name, phys_addr_t *size); void __iomem *msm_ioremap_quiet(struct platform_device *pdev, const char *name); void __iomem *msm_ioremap_mdss(struct platform_device *mdss_pdev, struct platform_device *dev, const char *name); struct icc_path *msm_icc_get(struct device *dev, const char *name); static inline void msm_rmw(void __iomem *addr, u32 mask, u32 or) { … } /** * struct msm_hrtimer_work - a helper to combine an hrtimer with kthread_work * * @timer: hrtimer to control when the kthread work is triggered * @work: the kthread work * @worker: the kthread worker the work will be scheduled on */ struct msm_hrtimer_work { … }; void msm_hrtimer_queue_work(struct msm_hrtimer_work *work, ktime_t wakeup_time, enum hrtimer_mode mode); void msm_hrtimer_work_init(struct msm_hrtimer_work *work, struct kthread_worker *worker, kthread_work_func_t fn, clockid_t clock_id, enum hrtimer_mode mode); #define DBG(fmt, ...) … #define VERB(fmt, ...) … static inline int align_pitch(int width, int bpp) { … } /* for the generated headers: */ #define INVALID_IDX(idx) … #define fui(x) … #define _mesa_float_to_half(x) … #define FIELD(val, name) … /* for conditionally setting boolean flag(s): */ #define COND(bool, val) … static inline unsigned long timeout_to_jiffies(const ktime_t *timeout) { … } /* Driver helpers */ extern const struct component_master_ops msm_drm_ops; int msm_kms_pm_prepare(struct device *dev); void msm_kms_pm_complete(struct device *dev); int msm_drv_probe(struct device *dev, int (*kms_init)(struct drm_device *dev), struct msm_kms *kms); void msm_kms_shutdown(struct platform_device *pdev); bool msm_disp_drv_should_bind(struct device *dev, bool dpu_driver); #endif /* __MSM_DRV_H__ */
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