drivers/gpu/drm/msm/msm_drv.h - third_party/linux - Git at Google

 /*
  * Copyright (C) 2013 Red Hat
  * Author: Rob Clark <robdclark@gmail.com>
  *
  * 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 <http://www.gnu.org/licenses/>.
  */

 #ifndef __MSM_DRV_H__
 #define __MSM_DRV_H__

 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/cpufreq.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 <asm/sizes.h>

 #include <drm/drmP.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/msm_drm.h>
 #include <drm/drm_gem.h>

 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_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 work_struct work;
 	struct list_head event_list;
 	spinlock_t lock;
 };

 #define MSM_GPU_MAX_RINGS 4

 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;       /* 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;
 	struct workqueue_struct *atomic_wq;

 	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;
 		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 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);

 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(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(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);
 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);
 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_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);

 #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);
 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__ */
	/*
	* Copyright (C) 2013 Red Hat
	* Author: Rob Clark <robdclark@gmail.com>
	*
	* 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 <http://www.gnu.org/licenses/>.
	*/

	#ifndef __MSM_DRV_H__
	#define __MSM_DRV_H__

	#include <linux/kernel.h>
	#include <linux/clk.h>
	#include <linux/cpufreq.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 <asm/sizes.h>

	#include <drm/drmP.h>
	#include <drm/drm_atomic.h>
	#include <drm/drm_atomic_helper.h>
	#include <drm/drm_crtc_helper.h>
	#include <drm/drm_plane_helper.h>
	#include <drm/drm_fb_helper.h>
	#include <drm/msm_drm.h>
	#include <drm/drm_gem.h>

	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_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 work_struct work;
	struct list_head event_list;
	spinlock_t lock;
	};

	#define MSM_GPU_MAX_RINGS 4

	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; / 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;
	struct workqueue_struct *atomic_wq;

	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;
	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 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);

	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(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(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);
	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);
	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_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);

	#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);
	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__ */