drivers/gpu/drm/msm/msm_drv.h - kernel/common - Git at Google

 /*
  * Copyright (C) 2013 Red Hat
  * Author: Rob Clark <[email protected]>
  *
  * 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 <asm/sizes.h>


 #if defined(CONFIG_COMPILE_TEST) && !defined(CONFIG_ARCH_QCOM)
 /* stubs we need for compile-test: */
 static inline struct device *msm_iommu_get_ctx(const char *ctx_name)
 {
 	return NULL;
 }
 #endif

 #ifndef CONFIG_OF
 #include <mach/board.h>
 #include <mach/socinfo.h>
 #include <mach/iommu_domains.h>
 #endif

 #include <drm/drmP.h>
 #include <drm/drm_crtc_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_rd_state;
 struct msm_perf_state;
 struct msm_gem_submit;

 #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;
 };

 struct msm_drm_private {

 	struct msm_kms *kms;

 	/* subordinate devices, if present: */
 	struct platform_device *hdmi_pdev, *gpu_pdev;

 	/* 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;

 	uint32_t next_fence, completed_fence;
 	wait_queue_head_t fence_event;

 	struct msm_rd_state *rd;
 	struct msm_perf_state *perf;

 	/* list of GEM objects: */
 	struct list_head inactive_list;

 	struct workqueue_struct *wq;

 	/* callbacks deferred until bo is inactive: */
 	struct list_head fence_cbs;

 	/* registered MMUs: */
 	unsigned int num_mmus;
 	struct msm_mmu *mmus[NUM_DOMAINS];

 	unsigned int num_planes;
 	struct drm_plane *planes[8];

 	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];

 	/* 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 msm_format {
 	uint32_t pixel_format;
 };

 /* callback from wq once fence has passed: */
 struct msm_fence_cb {
 	struct work_struct work;
 	uint32_t fence;
 	void (*func)(struct msm_fence_cb *cb);
 };

 void __msm_fence_worker(struct work_struct *work);

 #define INIT_FENCE_CB(_cb, _func)  do {                     \
 		INIT_WORK(&(_cb)->work, __msm_fence_worker); \
 		(_cb)->func = _func;                         \
 	} while (0)

 int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu);

 int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence,
 		struct timespec *timeout);
 void msm_update_fence(struct drm_device *dev, uint32_t fence);

 int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
 		struct drm_file *file);

 int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 int msm_gem_fault(struct vm_area_struct *vma, 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, int id,
 		uint32_t *iova);
 int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint32_t *iova);
 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, int id);
 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);
 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_vaddr_locked(struct drm_gem_object *obj);
 void *msm_gem_vaddr(struct drm_gem_object *obj);
 int msm_gem_queue_inactive_cb(struct drm_gem_object *obj,
 		struct msm_fence_cb *cb);
 void msm_gem_move_to_active(struct drm_gem_object *obj,
 		struct msm_gpu *gpu, bool write, uint32_t 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,
 		struct timespec *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,
 		uint32_t size, struct sg_table *sgt);

 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,
 		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, struct drm_mode_fb_cmd2 *mode_cmd);

 struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev);

 struct hdmi;
 struct hdmi *hdmi_init(struct drm_device *dev, struct drm_encoder *encoder);
 irqreturn_t hdmi_irq(int irq, void *dev_id);
 void __init hdmi_register(void);
 void __exit hdmi_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 drm_minor *minor);
 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 drm_minor *minor);
 #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) {}
 #endif

 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(fmt"\n", ##__VA_ARGS__)
 #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)

 static inline bool fence_completed(struct drm_device *dev, uint32_t fence)
 {
 	struct msm_drm_private *priv = dev->dev_private;
 	return priv->completed_fence >= fence;
 }

 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)


 #endif /* __MSM_DRV_H__ */
	/*
	* Copyright (C) 2013 Red Hat
	* Author: Rob Clark <[email protected]>
	*
	* 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 <asm/sizes.h>


	#if defined(CONFIG_COMPILE_TEST) && !defined(CONFIG_ARCH_QCOM)
	/* stubs we need for compile-test: */
	static inline struct device msm_iommu_get_ctx(const char ctx_name)
	{
	return NULL;
	}
	#endif

	#ifndef CONFIG_OF
	#include <mach/board.h>
	#include <mach/socinfo.h>
	#include <mach/iommu_domains.h>
	#endif

	#include <drm/drmP.h>
	#include <drm/drm_crtc_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_rd_state;
	struct msm_perf_state;
	struct msm_gem_submit;

	#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;
	};

	struct msm_drm_private {

	struct msm_kms *kms;

	/* subordinate devices, if present: */
	struct platform_device hdmi_pdev, gpu_pdev;

	/* 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;

	uint32_t next_fence, completed_fence;
	wait_queue_head_t fence_event;

	struct msm_rd_state *rd;
	struct msm_perf_state *perf;

	/* list of GEM objects: */
	struct list_head inactive_list;

	struct workqueue_struct *wq;

	/* callbacks deferred until bo is inactive: */
	struct list_head fence_cbs;

	/* registered MMUs: */
	unsigned int num_mmus;
	struct msm_mmu *mmus[NUM_DOMAINS];

	unsigned int num_planes;
	struct drm_plane *planes[8];

	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];

	/* 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 msm_format {
	uint32_t pixel_format;
	};

	/* callback from wq once fence has passed: */
	struct msm_fence_cb {
	struct work_struct work;
	uint32_t fence;
	void (func)(struct msm_fence_cb cb);
	};

	void __msm_fence_worker(struct work_struct *work);

	#define INIT_FENCE_CB(_cb, _func) do { \
	INIT_WORK(&(_cb)->work, __msm_fence_worker); \
	(_cb)->func = _func; \
	} while (0)

	int msm_register_mmu(struct drm_device dev, struct msm_mmu mmu);

	int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence,
	struct timespec *timeout);
	void msm_update_fence(struct drm_device *dev, uint32_t fence);

	int msm_ioctl_gem_submit(struct drm_device dev, void data,
	struct drm_file *file);

	int msm_gem_mmap(struct file filp, struct vm_area_struct vma);
	int msm_gem_fault(struct vm_area_struct vma, 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, int id,
	uint32_t *iova);
	int msm_gem_get_iova(struct drm_gem_object obj, int id, uint32_t iova);
	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, int id);
	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);
	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_vaddr_locked(struct drm_gem_object obj);
	void msm_gem_vaddr(struct drm_gem_object obj);
	int msm_gem_queue_inactive_cb(struct drm_gem_object *obj,
	struct msm_fence_cb *cb);
	void msm_gem_move_to_active(struct drm_gem_object *obj,
	struct msm_gpu *gpu, bool write, uint32_t 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,
	struct timespec *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,
	uint32_t size, struct sg_table *sgt);

	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,
	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, struct drm_mode_fb_cmd2 mode_cmd);

	struct drm_fb_helper msm_fbdev_init(struct drm_device dev);

	struct hdmi;
	struct hdmi hdmi_init(struct drm_device dev, struct drm_encoder *encoder);
	irqreturn_t hdmi_irq(int irq, void *dev_id);
	void __init hdmi_register(void);
	void __exit hdmi_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 drm_minor *minor);
	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 drm_minor *minor);
	#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) {}
	#endif

	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(fmt"\n", ##__VA_ARGS__)
	#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)

	static inline bool fence_completed(struct drm_device *dev, uint32_t fence)
	{
	struct msm_drm_private *priv = dev->dev_private;
	return priv->completed_fence >= fence;
	}

	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)


	#endif /* __MSM_DRV_H__ */