[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/drm/drm_drv.h b/src/kernel/linux/v4.14/include/drm/drm_drv.h
new file mode 100644
index 0000000..3053049
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/drm/drm_drv.h
@@ -0,0 +1,640 @@
+/*
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright (c) 2009-2010, Code Aurora Forum.
+ * Copyright 2016 Intel Corp.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _DRM_DRV_H_
+#define _DRM_DRV_H_
+
+#include <linux/list.h>
+#include <linux/irqreturn.h>
+
+#include <drm/drm_device.h>
+
+struct drm_file;
+struct drm_gem_object;
+struct drm_master;
+struct drm_minor;
+struct dma_buf_attachment;
+struct drm_display_mode;
+struct drm_mode_create_dumb;
+
+/* driver capabilities and requirements mask */
+#define DRIVER_USE_AGP 0x1
+#define DRIVER_LEGACY 0x2
+#define DRIVER_PCI_DMA 0x8
+#define DRIVER_SG 0x10
+#define DRIVER_HAVE_DMA 0x20
+#define DRIVER_HAVE_IRQ 0x40
+#define DRIVER_IRQ_SHARED 0x80
+#define DRIVER_GEM 0x1000
+#define DRIVER_MODESET 0x2000
+#define DRIVER_PRIME 0x4000
+#define DRIVER_RENDER 0x8000
+#define DRIVER_ATOMIC 0x10000
+#define DRIVER_KMS_LEGACY_CONTEXT 0x20000
+#define DRIVER_SYNCOBJ 0x40000
+#define DRIVER_PREFER_XBGR_30BPP 0x80000
+
+/**
+ * struct drm_driver - DRM driver structure
+ *
+ * This structure represent the common code for a family of cards. There will
+ * one drm_device for each card present in this family. It contains lots of
+ * vfunc entries, and a pile of those probably should be moved to more
+ * appropriate places like &drm_mode_config_funcs or into a new operations
+ * structure for GEM drivers.
+ */
+struct drm_driver {
+ /**
+ * @load:
+ *
+ * Backward-compatible driver callback to complete
+ * initialization steps after the driver is registered. For
+ * this reason, may suffer from race conditions and its use is
+ * deprecated for new drivers. It is therefore only supported
+ * for existing drivers not yet converted to the new scheme.
+ * See drm_dev_init() and drm_dev_register() for proper and
+ * race-free way to set up a &struct drm_device.
+ *
+ * This is deprecated, do not use!
+ *
+ * Returns:
+ *
+ * Zero on success, non-zero value on failure.
+ */
+ int (*load) (struct drm_device *, unsigned long flags);
+
+ /**
+ * @open:
+ *
+ * Driver callback when a new &struct drm_file is opened. Useful for
+ * setting up driver-private data structures like buffer allocators,
+ * execution contexts or similar things. Such driver-private resources
+ * must be released again in @postclose.
+ *
+ * Since the display/modeset side of DRM can only be owned by exactly
+ * one &struct drm_file (see &drm_file.is_master and &drm_device.master)
+ * there should never be a need to set up any modeset related resources
+ * in this callback. Doing so would be a driver design bug.
+ *
+ * Returns:
+ *
+ * 0 on success, a negative error code on failure, which will be
+ * promoted to userspace as the result of the open() system call.
+ */
+ int (*open) (struct drm_device *, struct drm_file *);
+
+ /**
+ * @postclose:
+ *
+ * One of the driver callbacks when a new &struct drm_file is closed.
+ * Useful for tearing down driver-private data structures allocated in
+ * @open like buffer allocators, execution contexts or similar things.
+ *
+ * Since the display/modeset side of DRM can only be owned by exactly
+ * one &struct drm_file (see &drm_file.is_master and &drm_device.master)
+ * there should never be a need to tear down any modeset related
+ * resources in this callback. Doing so would be a driver design bug.
+ */
+ void (*postclose) (struct drm_device *, struct drm_file *);
+
+ /**
+ * @lastclose:
+ *
+ * Called when the last &struct drm_file has been closed and there's
+ * currently no userspace client for the &struct drm_device.
+ *
+ * Modern drivers should only use this to force-restore the fbdev
+ * framebuffer using drm_fb_helper_restore_fbdev_mode_unlocked().
+ * Anything else would indicate there's something seriously wrong.
+ * Modern drivers can also use this to execute delayed power switching
+ * state changes, e.g. in conjunction with the :ref:`vga_switcheroo`
+ * infrastructure.
+ *
+ * This is called after @postclose hook has been called.
+ *
+ * NOTE:
+ *
+ * All legacy drivers use this callback to de-initialize the hardware.
+ * This is purely because of the shadow-attach model, where the DRM
+ * kernel driver does not really own the hardware. Instead ownershipe is
+ * handled with the help of userspace through an inheritedly racy dance
+ * to set/unset the VT into raw mode.
+ *
+ * Legacy drivers initialize the hardware in the @firstopen callback,
+ * which isn't even called for modern drivers.
+ */
+ void (*lastclose) (struct drm_device *);
+
+ /**
+ * @unload:
+ *
+ * Reverse the effects of the driver load callback. Ideally,
+ * the clean up performed by the driver should happen in the
+ * reverse order of the initialization. Similarly to the load
+ * hook, this handler is deprecated and its usage should be
+ * dropped in favor of an open-coded teardown function at the
+ * driver layer. See drm_dev_unregister() and drm_dev_unref()
+ * for the proper way to remove a &struct drm_device.
+ *
+ * The unload() hook is called right after unregistering
+ * the device.
+ *
+ */
+ void (*unload) (struct drm_device *);
+
+ /**
+ * @release:
+ *
+ * Optional callback for destroying device data after the final
+ * reference is released, i.e. the device is being destroyed. Drivers
+ * using this callback are responsible for calling drm_dev_fini()
+ * to finalize the device and then freeing the struct themselves.
+ */
+ void (*release) (struct drm_device *);
+
+ /**
+ * @get_vblank_counter:
+ *
+ * Driver callback for fetching a raw hardware vblank counter for the
+ * CRTC specified with the pipe argument. If a device doesn't have a
+ * hardware counter, the driver can simply leave the hook as NULL.
+ * The DRM core will account for missed vblank events while interrupts
+ * where disabled based on system timestamps.
+ *
+ * Wraparound handling and loss of events due to modesetting is dealt
+ * with in the DRM core code, as long as drivers call
+ * drm_crtc_vblank_off() and drm_crtc_vblank_on() when disabling or
+ * enabling a CRTC.
+ *
+ * This is deprecated and should not be used by new drivers.
+ * Use &drm_crtc_funcs.get_vblank_counter instead.
+ *
+ * Returns:
+ *
+ * Raw vblank counter value.
+ */
+ u32 (*get_vblank_counter) (struct drm_device *dev, unsigned int pipe);
+
+ /**
+ * @enable_vblank:
+ *
+ * Enable vblank interrupts for the CRTC specified with the pipe
+ * argument.
+ *
+ * This is deprecated and should not be used by new drivers.
+ * Use &drm_crtc_funcs.enable_vblank instead.
+ *
+ * Returns:
+ *
+ * Zero on success, appropriate errno if the given @crtc's vblank
+ * interrupt cannot be enabled.
+ */
+ int (*enable_vblank) (struct drm_device *dev, unsigned int pipe);
+
+ /**
+ * @disable_vblank:
+ *
+ * Disable vblank interrupts for the CRTC specified with the pipe
+ * argument.
+ *
+ * This is deprecated and should not be used by new drivers.
+ * Use &drm_crtc_funcs.disable_vblank instead.
+ */
+ void (*disable_vblank) (struct drm_device *dev, unsigned int pipe);
+
+ /**
+ * @get_scanout_position:
+ *
+ * Called by vblank timestamping code.
+ *
+ * Returns the current display scanout position from a crtc, and an
+ * optional accurate ktime_get() timestamp of when position was
+ * measured. Note that this is a helper callback which is only used if a
+ * driver uses drm_calc_vbltimestamp_from_scanoutpos() for the
+ * @get_vblank_timestamp callback.
+ *
+ * Parameters:
+ *
+ * dev:
+ * DRM device.
+ * pipe:
+ * Id of the crtc to query.
+ * in_vblank_irq:
+ * True when called from drm_crtc_handle_vblank(). Some drivers
+ * need to apply some workarounds for gpu-specific vblank irq quirks
+ * if flag is set.
+ * vpos:
+ * Target location for current vertical scanout position.
+ * hpos:
+ * Target location for current horizontal scanout position.
+ * stime:
+ * Target location for timestamp taken immediately before
+ * scanout position query. Can be NULL to skip timestamp.
+ * etime:
+ * Target location for timestamp taken immediately after
+ * scanout position query. Can be NULL to skip timestamp.
+ * mode:
+ * Current display timings.
+ *
+ * Returns vpos as a positive number while in active scanout area.
+ * Returns vpos as a negative number inside vblank, counting the number
+ * of scanlines to go until end of vblank, e.g., -1 means "one scanline
+ * until start of active scanout / end of vblank."
+ *
+ * Returns:
+ *
+ * True on success, false if a reliable scanout position counter could
+ * not be read out.
+ *
+ * FIXME:
+ *
+ * Since this is a helper to implement @get_vblank_timestamp, we should
+ * move it to &struct drm_crtc_helper_funcs, like all the other
+ * helper-internal hooks.
+ */
+ bool (*get_scanout_position) (struct drm_device *dev, unsigned int pipe,
+ bool in_vblank_irq, int *vpos, int *hpos,
+ ktime_t *stime, ktime_t *etime,
+ const struct drm_display_mode *mode);
+
+ /**
+ * @get_vblank_timestamp:
+ *
+ * Called by drm_get_last_vbltimestamp(). Should return a precise
+ * timestamp when the most recent VBLANK interval ended or will end.
+ *
+ * Specifically, the timestamp in @vblank_time should correspond as
+ * closely as possible to the time when the first video scanline of
+ * the video frame after the end of VBLANK will start scanning out,
+ * the time immediately after end of the VBLANK interval. If the
+ * @crtc is currently inside VBLANK, this will be a time in the future.
+ * If the @crtc is currently scanning out a frame, this will be the
+ * past start time of the current scanout. This is meant to adhere
+ * to the OpenML OML_sync_control extension specification.
+ *
+ * Paramters:
+ *
+ * dev:
+ * dev DRM device handle.
+ * pipe:
+ * crtc for which timestamp should be returned.
+ * max_error:
+ * Maximum allowable timestamp error in nanoseconds.
+ * Implementation should strive to provide timestamp
+ * with an error of at most max_error nanoseconds.
+ * Returns true upper bound on error for timestamp.
+ * vblank_time:
+ * Target location for returned vblank timestamp.
+ * in_vblank_irq:
+ * True when called from drm_crtc_handle_vblank(). Some drivers
+ * need to apply some workarounds for gpu-specific vblank irq quirks
+ * if flag is set.
+ *
+ * Returns:
+ *
+ * True on success, false on failure, which means the core should
+ * fallback to a simple timestamp taken in drm_crtc_handle_vblank().
+ *
+ * FIXME:
+ *
+ * We should move this hook to &struct drm_crtc_funcs like all the other
+ * vblank hooks.
+ */
+ bool (*get_vblank_timestamp) (struct drm_device *dev, unsigned int pipe,
+ int *max_error,
+ struct timeval *vblank_time,
+ bool in_vblank_irq);
+
+ /**
+ * @irq_handler:
+ *
+ * Interrupt handler called when using drm_irq_install(). Not used by
+ * drivers which implement their own interrupt handling.
+ */
+ irqreturn_t(*irq_handler) (int irq, void *arg);
+
+ /**
+ * @irq_preinstall:
+ *
+ * Optional callback used by drm_irq_install() which is called before
+ * the interrupt handler is registered. This should be used to clear out
+ * any pending interrupts (from e.g. firmware based drives) and reset
+ * the interrupt handling registers.
+ */
+ void (*irq_preinstall) (struct drm_device *dev);
+
+ /**
+ * @irq_postinstall:
+ *
+ * Optional callback used by drm_irq_install() which is called after
+ * the interrupt handler is registered. This should be used to enable
+ * interrupt generation in the hardware.
+ */
+ int (*irq_postinstall) (struct drm_device *dev);
+
+ /**
+ * @irq_uninstall:
+ *
+ * Optional callback used by drm_irq_uninstall() which is called before
+ * the interrupt handler is unregistered. This should be used to disable
+ * interrupt generation in the hardware.
+ */
+ void (*irq_uninstall) (struct drm_device *dev);
+
+ /**
+ * @master_create:
+ *
+ * Called whenever a new master is created. Only used by vmwgfx.
+ */
+ int (*master_create)(struct drm_device *dev, struct drm_master *master);
+
+ /**
+ * @master_destroy:
+ *
+ * Called whenever a master is destroyed. Only used by vmwgfx.
+ */
+ void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
+
+ /**
+ * @master_set:
+ *
+ * Called whenever the minor master is set. Only used by vmwgfx.
+ */
+ int (*master_set)(struct drm_device *dev, struct drm_file *file_priv,
+ bool from_open);
+ /**
+ * @master_drop:
+ *
+ * Called whenever the minor master is dropped. Only used by vmwgfx.
+ */
+ void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv);
+
+ /**
+ * @debugfs_init:
+ *
+ * Allows drivers to create driver-specific debugfs files.
+ */
+ int (*debugfs_init)(struct drm_minor *minor);
+
+ /**
+ * @gem_free_object: deconstructor for drm_gem_objects
+ *
+ * This is deprecated and should not be used by new drivers. Use
+ * @gem_free_object_unlocked instead.
+ */
+ void (*gem_free_object) (struct drm_gem_object *obj);
+
+ /**
+ * @gem_free_object_unlocked: deconstructor for drm_gem_objects
+ *
+ * This is for drivers which are not encumbered with &drm_device.struct_mutex
+ * legacy locking schemes. Use this hook instead of @gem_free_object.
+ */
+ void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
+
+ /**
+ * @gem_open_object:
+ *
+ * Driver hook called upon gem handle creation
+ */
+ int (*gem_open_object) (struct drm_gem_object *, struct drm_file *);
+
+ /**
+ * @gem_close_object:
+ *
+ * Driver hook called upon gem handle release
+ */
+ void (*gem_close_object) (struct drm_gem_object *, struct drm_file *);
+
+ /**
+ * @gem_create_object: constructor for gem objects
+ *
+ * Hook for allocating the GEM object struct, for use by core
+ * helpers.
+ */
+ struct drm_gem_object *(*gem_create_object)(struct drm_device *dev,
+ size_t size);
+
+ /* prime: */
+ /**
+ * @prime_handle_to_fd:
+ *
+ * export handle -> fd (see drm_gem_prime_handle_to_fd() helper)
+ */
+ int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv,
+ uint32_t handle, uint32_t flags, int *prime_fd);
+ /**
+ * @prime_fd_to_handle:
+ *
+ * import fd -> handle (see drm_gem_prime_fd_to_handle() helper)
+ */
+ int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv,
+ int prime_fd, uint32_t *handle);
+ /**
+ * @gem_prime_export:
+ *
+ * export GEM -> dmabuf
+ */
+ struct dma_buf * (*gem_prime_export)(struct drm_device *dev,
+ struct drm_gem_object *obj, int flags);
+ /**
+ * @gem_prime_import:
+ *
+ * import dmabuf -> GEM
+ */
+ struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
+ struct dma_buf *dma_buf);
+ int (*gem_prime_pin)(struct drm_gem_object *obj);
+ void (*gem_prime_unpin)(struct drm_gem_object *obj);
+ struct reservation_object * (*gem_prime_res_obj)(
+ struct drm_gem_object *obj);
+ struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
+ struct drm_gem_object *(*gem_prime_import_sg_table)(
+ struct drm_device *dev,
+ struct dma_buf_attachment *attach,
+ struct sg_table *sgt);
+ void *(*gem_prime_vmap)(struct drm_gem_object *obj);
+ void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);
+ int (*gem_prime_mmap)(struct drm_gem_object *obj,
+ struct vm_area_struct *vma);
+
+ /**
+ * @dumb_create:
+ *
+ * This creates a new dumb buffer in the driver's backing storage manager (GEM,
+ * TTM or something else entirely) and returns the resulting buffer handle. This
+ * handle can then be wrapped up into a framebuffer modeset object.
+ *
+ * Note that userspace is not allowed to use such objects for render
+ * acceleration - drivers must create their own private ioctls for such a use
+ * case.
+ *
+ * Width, height and depth are specified in the &drm_mode_create_dumb
+ * argument. The callback needs to fill the handle, pitch and size for
+ * the created buffer.
+ *
+ * Called by the user via ioctl.
+ *
+ * Returns:
+ *
+ * Zero on success, negative errno on failure.
+ */
+ int (*dumb_create)(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+ /**
+ * @dumb_map_offset:
+ *
+ * Allocate an offset in the drm device node's address space to be able to
+ * memory map a dumb buffer. GEM-based drivers must use
+ * drm_gem_create_mmap_offset() to implement this.
+ *
+ * Called by the user via ioctl.
+ *
+ * Returns:
+ *
+ * Zero on success, negative errno on failure.
+ */
+ int (*dumb_map_offset)(struct drm_file *file_priv,
+ struct drm_device *dev, uint32_t handle,
+ uint64_t *offset);
+ /**
+ * @dumb_destroy:
+ *
+ * This destroys the userspace handle for the given dumb backing storage buffer.
+ * Since buffer objects must be reference counted in the kernel a buffer object
+ * won't be immediately freed if a framebuffer modeset object still uses it.
+ *
+ * Called by the user via ioctl.
+ *
+ * Returns:
+ *
+ * Zero on success, negative errno on failure.
+ */
+ int (*dumb_destroy)(struct drm_file *file_priv,
+ struct drm_device *dev,
+ uint32_t handle);
+
+ /**
+ * @gem_vm_ops: Driver private ops for this object
+ */
+ const struct vm_operations_struct *gem_vm_ops;
+
+ /** @major: driver major number */
+ int major;
+ /** @minor: driver minor number */
+ int minor;
+ /** @patchlevel: driver patch level */
+ int patchlevel;
+ /** @name: driver name */
+ char *name;
+ /** @desc: driver description */
+ char *desc;
+ /** @date: driver date */
+ char *date;
+
+ /** @driver_features: driver features */
+ u32 driver_features;
+
+ /**
+ * @ioctls:
+ *
+ * Array of driver-private IOCTL description entries. See the chapter on
+ * :ref:`IOCTL support in the userland interfaces
+ * chapter<drm_driver_ioctl>` for the full details.
+ */
+
+ const struct drm_ioctl_desc *ioctls;
+ /** @num_ioctls: Number of entries in @ioctls. */
+ int num_ioctls;
+
+ /**
+ * @fops:
+ *
+ * File operations for the DRM device node. See the discussion in
+ * :ref:`file operations<drm_driver_fops>` for in-depth coverage and
+ * some examples.
+ */
+ const struct file_operations *fops;
+
+ /* Everything below here is for legacy driver, never use! */
+ /* private: */
+
+ /* List of devices hanging off this driver with stealth attach. */
+ struct list_head legacy_dev_list;
+ int (*firstopen) (struct drm_device *);
+ void (*preclose) (struct drm_device *, struct drm_file *file_priv);
+ int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
+ int (*dma_quiescent) (struct drm_device *);
+ int (*context_dtor) (struct drm_device *dev, int context);
+ int dev_priv_size;
+};
+
+__printf(6, 7)
+void drm_dev_printk(const struct device *dev, const char *level,
+ unsigned int category, const char *function_name,
+ const char *prefix, const char *format, ...);
+__printf(3, 4)
+void drm_printk(const char *level, unsigned int category,
+ const char *format, ...);
+extern unsigned int drm_debug;
+
+int drm_dev_init(struct drm_device *dev,
+ struct drm_driver *driver,
+ struct device *parent);
+void drm_dev_fini(struct drm_device *dev);
+
+struct drm_device *drm_dev_alloc(struct drm_driver *driver,
+ struct device *parent);
+int drm_dev_register(struct drm_device *dev, unsigned long flags);
+void drm_dev_unregister(struct drm_device *dev);
+
+void drm_dev_ref(struct drm_device *dev);
+void drm_dev_unref(struct drm_device *dev);
+void drm_put_dev(struct drm_device *dev);
+void drm_dev_unplug(struct drm_device *dev);
+
+/**
+ * drm_dev_is_unplugged - is a DRM device unplugged
+ * @dev: DRM device
+ *
+ * This function can be called to check whether a hotpluggable is unplugged.
+ * Unplugging itself is singalled through drm_dev_unplug(). If a device is
+ * unplugged, these two functions guarantee that any store before calling
+ * drm_dev_unplug() is visible to callers of this function after it completes
+ */
+static inline int drm_dev_is_unplugged(struct drm_device *dev)
+{
+ int ret = atomic_read(&dev->unplugged);
+ smp_rmb();
+ return ret;
+}
+
+
+int drm_dev_set_unique(struct drm_device *dev, const char *name);
+
+
+#endif