#include <linux/smp_lock.h> /* For (un)lock_kernel */
#include <linux/dma-mapping.h>
#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/kref.h>
#include <linux/pagemap.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
#include <linux/mutex.h>
struct drm_device;
struct drm_file;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+typedef unsigned long uintptr_t;
+#endif
+
/* If you want the memory alloc debug functionality, change define below */
/* #define DEBUG_MEMORY */
#define DRIVER_IRQ_SHARED 0x80
#define DRIVER_DMA_QUEUE 0x100
#define DRIVER_FB_DMA 0x200
-
+#define DRIVER_MODESET 0x400
+#define DRIVER_GEM 0x800
/*@}*/
*/
#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \
do { \
- if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
- dev->lock.file_priv != file_priv ) { \
+ if ( !_DRM_LOCK_IS_HELD( file_priv->master->lock.hw_lock->lock ) || \
+ file_priv->master->lock.file_priv != file_priv ) { \
DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
- __FUNCTION__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\
- dev->lock.file_priv, file_priv ); \
+ __FUNCTION__, _DRM_LOCK_IS_HELD( file_priv->master->lock.hw_lock->lock ),\
+ file_priv->master->lock.file_priv, file_priv ); \
return -EINVAL; \
} \
} while (0)
#define DRM_AUTH 0x1
#define DRM_MASTER 0x2
#define DRM_ROOT_ONLY 0x4
+#define DRM_CONTROL_ALLOW 0x8 // allow ioctl to operate on control node
struct drm_ioctl_desc {
unsigned int cmd;
/** File private data */
struct drm_file {
int authenticated;
- int master;
pid_t pid;
uid_t uid;
drm_magic_t magic;
unsigned long ioctl_count;
struct list_head lhead;
struct drm_minor *minor;
- int remove_auth_on_close;
unsigned long lock_count;
/*
struct list_head refd_objects;
+ /** Mapping of mm object handles to object pointers. */
+ struct idr object_idr;
+ /** Lock for synchronization of access to object_idr. */
+ spinlock_t table_lock;
+
struct drm_open_hash refd_object_hash[_DRM_NO_REF_TYPES];
struct file *filp;
void *driver_priv;
+
+ int is_master; /* this file private is a master for a minor */
+ struct drm_master *master; /* master this node is currently associated with
+ N.B. not always minor->master */
+ struct list_head fbs;
};
/** Wait queue */
uint32_t kernel_waiters;
uint32_t user_waiters;
int idle_has_lock;
+ /**
+ * Boolean signaling that the lock is held on behalf of the
+ * file_priv client by the kernel in an ioctl handler.
+ */
+ int kernel_held;
};
/**
* Generic memory manager structs
*/
-struct drm_mm_node {
+struct drm_memrange_node {
struct list_head fl_entry;
struct list_head ml_entry;
int free;
unsigned long start;
unsigned long size;
- struct drm_mm *mm;
+ struct drm_memrange *mm;
void *private;
};
-struct drm_mm {
+struct drm_memrange {
struct list_head fl_entry;
struct list_head ml_entry;
};
struct drm_hash_item hash;
struct drm_map *map; /**< mapping */
uint64_t user_token;
- struct drm_mm_node *file_offset_node;
+ struct drm_master *master; /** if this map is associated with a specific
+ master */
+ struct drm_memrange_node *file_offset_node;
};
typedef struct drm_map drm_local_map_t;
struct task_struct *task;
};
+struct drm_hotplug_sig {
+ struct list_head head;
+ unsigned int counter;
+ struct siginfo info;
+ struct task_struct *task;
+};
+
/* location of GART table */
#define DRM_ATI_GART_MAIN 1
#define DRM_ATI_GART_FB 2
int table_size;
};
+/**
+ * This structure defines the drm_mm memory object, which will be used by the
+ * DRM for its buffer objects.
+ */
+struct drm_gem_object {
+ /** Reference count of this object */
+ struct kref refcount;
+
+ /** Handle count of this object. Each handle also holds a reference */
+ struct kref handlecount;
+
+ /** Related drm device */
+ struct drm_device *dev;
+
+ /** File representing the shmem storage */
+ struct file *filp;
+
+ /**
+ * Size of the object, in bytes. Immutable over the object's
+ * lifetime.
+ */
+ size_t size;
+
+ /**
+ * Global name for this object, starts at 1. 0 means unnamed.
+ * Access is covered by the object_name_lock in the related drm_device
+ */
+ int name;
+
+ /**
+ * Memory domains. These monitor which caches contain read/write data
+ * related to the object. When transitioning from one set of domains
+ * to another, the driver is called to ensure that caches are suitably
+ * flushed and invalidated
+ */
+ uint32_t read_domains;
+ uint32_t write_domain;
+
+ /**
+ * While validating an exec operation, the
+ * new read/write domain values are computed here.
+ * They will be transferred to the above values
+ * at the point that any cache flushing occurs
+ */
+ uint32_t pending_read_domains;
+ uint32_t pending_write_domain;
+
+ void *driver_private;
+};
+
#include "drm_objects.h"
+#include "drm_crtc.h"
+
+/* per-master structure */
+struct drm_master {
+
+ struct list_head head; /**< each minor contains a list of masters */
+ struct drm_minor *minor; /**< link back to minor we are a master for */
+
+ char *unique; /**< Unique identifier: e.g., busid */
+ int unique_len; /**< Length of unique field */
+
+ int blocked; /**< Blocked due to VC switch? */
+
+ /** \name Authentication */
+ /*@{ */
+ struct drm_open_hash magiclist;
+ struct list_head magicfree;
+ /*@} */
+
+ struct drm_lock_data lock; /**< Information on hardware lock */
+
+ void *driver_priv; /**< Private structure for driver to use */
+};
/**
* DRM driver structure. This structure represent the common code for
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
+ /* Master routines */
+ int (*master_create)(struct drm_device *dev, struct drm_master *master);
+ void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
+
+ int (*proc_init)(struct drm_minor *minor);
+ void (*proc_cleanup)(struct drm_minor *minor);
+
+ /**
+ * Driver-specific constructor for drm_gem_objects, to set up
+ * obj->driver_private.
+ *
+ * Returns 0 on success.
+ */
+ int (*gem_init_object) (struct drm_gem_object *obj);
+ void (*gem_free_object) (struct drm_gem_object *obj);
+
struct drm_fence_driver *fence_driver;
struct drm_bo_driver *bo_driver;
#define DRM_MINOR_UNASSIGNED 0
#define DRM_MINOR_LEGACY 1
+#define DRM_MINOR_CONTROL 2
+#define DRM_MINOR_RENDER 3
/**
* DRM minor structure. This structure represents a drm minor number.
dev_t device; /**< Device number for mknod */
struct device kdev; /**< Linux device */
struct drm_device *dev;
+ /* for render nodes */
struct proc_dir_entry *dev_root; /**< proc directory entry */
struct class_device *dev_class;
+
+ /* for control nodes - a pointer to the current master for this control node */
+ struct drm_master *master; /* currently active master for this node */
+ struct list_head master_list;
+
+ struct drm_mode_group mode_group;
};
* may contain multiple heads.
*/
struct drm_device {
- char *unique; /**< Unique identifier: e.g., busid */
- int unique_len; /**< Length of unique field */
char *devname; /**< For /proc/interrupts */
int if_version; /**< Highest interface version set */
- int blocked; /**< Blocked due to VC switch? */
-
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
atomic_t counts[15];
/*@} */
- /** \name Authentication */
- /*@{ */
- struct list_head filelist;
- struct drm_open_hash magiclist;
- struct list_head magicfree;
- /*@} */
/** \name Memory management */
/*@{ */
struct list_head maplist; /**< Linked list of regions */
int map_count; /**< Number of mappable regions */
struct drm_open_hash map_hash; /**< User token hash table for maps */
- struct drm_mm offset_manager; /**< User token manager */
+ struct drm_memrange offset_manager; /**< User token manager */
struct drm_open_hash object_hash; /**< User token hash table for objects */
struct address_space *dev_mapping; /**< For unmap_mapping_range() */
struct page *ttm_dummy_page;
struct idr ctx_idr;
struct list_head vmalist; /**< List of vmas (for debugging) */
- struct drm_lock_data lock; /**< Information on hardware lock */
+
+ struct list_head filelist;
+
/*@} */
/** \name DMA queues (contexts) */
struct drm_device_dma *dma; /**< Optional pointer for DMA support */
/*@} */
+
/** \name Context support */
/*@{ */
int irq; /**< Interrupt used by board */
struct work_struct work;
+ /** \name HOTPLUG IRQ support */
+ /*@{ */
+ wait_queue_head_t hotplug_queue; /**< HOTPLUG wait queue */
+ spinlock_t hotplug_lock;
+ struct list_head *hotplug_sigs; /**< signal list to send on HOTPLUG */
+ atomic_t hotplug_signal_pending; /* number of signals pending on all crtcs*/
+
+ /*@} */
+
/** \name VBLANK IRQ support */
/*@{ */
struct drm_driver *driver;
drm_local_map_t *agp_buffer_map;
unsigned int agp_buffer_token;
+
+ /* minor number for control node */
+ struct drm_minor *control;
struct drm_minor *primary; /**< render type primary screen head */
struct drm_fence_manager fm;
spinlock_t drw_lock;
struct idr drw_idr;
/*@} */
+
+ /* DRM mode setting */
+ struct drm_mode_config mode_config;
+
+ /** \name GEM information */
+ /*@{ */
+ spinlock_t object_name_lock;
+ struct idr object_name_idr;
+ atomic_t object_count;
+ atomic_t object_memory;
+ atomic_t pin_count;
+ atomic_t pin_memory;
+ atomic_t gtt_count;
+ atomic_t gtt_memory;
+ uint32_t gtt_total;
+ uint32_t invalidate_domains; /* domains pending invalidation */
+ uint32_t flush_domains; /* domains pending flush */
+ /*@} */
};
#if __OS_HAS_AGP
int populated;
};
#endif
-
+struct ati_pcigart_ttm_backend {
+ struct drm_ttm_backend backend;
+ int populated;
+ void (*gart_flush_fn)(struct drm_device *dev);
+ struct drm_ati_pcigart_info *gart_info;
+ unsigned long offset;
+ struct page **pages;
+ int num_pages;
+ int bound;
+ struct drm_device *dev;
+};
+extern struct drm_ttm_backend *ati_pcigart_init_ttm(struct drm_device *dev, struct drm_ati_pcigart_info *info, void (*gart_flush_fn)(struct drm_device *dev));
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type);
extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
+extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
+ struct page **pages,
+ unsigned long num_pages,
+ uint32_t gtt_offset);
extern int drm_unbind_agp(DRM_AGP_MEM * handle);
extern void drm_free_memctl(size_t size);
extern void drm_driver_irq_postinstall(struct drm_device *dev);
extern void drm_driver_irq_uninstall(struct drm_device *dev);
+extern int drm_hotplug_init(struct drm_device *dev);
+extern int drm_wait_hotplug(struct drm_device *dev, void *data, struct drm_file *filp);
extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *filp);
+extern int drm_wait_hotplug(struct drm_device *dev, void *data, struct drm_file *filp);
extern int drm_vblank_wait(struct drm_device * dev, unsigned int *vbl_seq);
extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
extern void drm_handle_vblank(struct drm_device *dev, int crtc);
+extern void drm_handle_hotplug(struct drm_device *dev);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
extern struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev);
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
+extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern struct drm_master *drm_get_master(struct drm_minor *minor);
+extern void drm_put_master(struct drm_master *master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_put_dev(struct drm_device *dev);
-extern int drm_put_minor(struct drm_minor **minor);
+extern int drm_put_minor(struct drm_device *dev, struct drm_minor **p);
extern unsigned int drm_debug; /* 1 to enable debug output */
extern struct class *drm_class;
/* ATI PCIGART support (ati_pcigart.h) */
extern int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info);
extern int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info);
+extern int drm_ati_alloc_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info);
extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align, dma_addr_t maxaddr);
extern struct class *drm_sysfs_create(struct module *owner, char *name);
extern void drm_sysfs_destroy(void);
extern int drm_sysfs_device_add(struct drm_minor *minor);
+extern void drm_sysfs_hotplug_event(struct drm_device *dev);
extern void drm_sysfs_device_remove(struct drm_minor *minor);
+extern char *drm_get_connector_status_name(enum drm_connector_status status);
+extern int drm_sysfs_connector_add(struct drm_connector *connector);
+extern void drm_sysfs_connector_remove(struct drm_connector *connector);
/*
- * Basic memory manager support (drm_mm.c)
+ * Basic memory manager support (drm_memrange.c)
*/
-extern struct drm_mm_node * drm_mm_get_block(struct drm_mm_node * parent, unsigned long size,
- unsigned alignment);
-extern void drm_mm_put_block(struct drm_mm_node *cur);
-extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size,
- unsigned alignment, int best_match);
-extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size);
-extern void drm_mm_takedown(struct drm_mm *mm);
-extern int drm_mm_clean(struct drm_mm *mm);
-extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
-extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size);
-extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size);
-
-static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
+extern struct drm_memrange_node *drm_memrange_get_block(struct drm_memrange_node * parent,
+ unsigned long size,
+ unsigned alignment);
+extern void drm_memrange_put_block(struct drm_memrange_node *cur);
+extern struct drm_memrange_node *drm_memrange_search_free(const struct drm_memrange *mm,
+ unsigned long size,
+ unsigned alignment, int best_match);
+extern int drm_memrange_init(struct drm_memrange *mm,
+ unsigned long start, unsigned long size);
+extern void drm_memrange_takedown(struct drm_memrange *mm);
+extern int drm_memrange_clean(struct drm_memrange *mm);
+extern unsigned long drm_memrange_tail_space(struct drm_memrange *mm);
+extern int drm_memrange_remove_space_from_tail(struct drm_memrange *mm,
+ unsigned long size);
+extern int drm_memrange_add_space_to_tail(struct drm_memrange *mm,
+ unsigned long size);
+static inline struct drm_memrange *drm_get_mm(struct drm_memrange_node *block)
{
return block->mm;
}
+/* Graphics Execution Manager library functions (drm_gem.c) */
+int
+drm_gem_init (struct drm_device *dev);
+
+void
+drm_gem_object_free (struct kref *kref);
+
+struct drm_gem_object *
+drm_gem_object_alloc(struct drm_device *dev, size_t size);
+
+void
+drm_gem_object_handle_free (struct kref *kref);
+
+static inline void drm_gem_object_reference(struct drm_gem_object *obj)
+{
+ kref_get(&obj->refcount);
+}
+
+static inline void drm_gem_object_unreference(struct drm_gem_object *obj)
+{
+ if (obj == NULL)
+ return;
+
+ kref_put (&obj->refcount, drm_gem_object_free);
+}
+
+int
+drm_gem_handle_create(struct drm_file *file_priv,
+ struct drm_gem_object *obj,
+ int *handlep);
+
+static inline void drm_gem_object_handle_reference (struct drm_gem_object *obj)
+{
+ drm_gem_object_reference (obj);
+ kref_get(&obj->handlecount);
+}
+
+static inline void drm_gem_object_handle_unreference (struct drm_gem_object *obj)
+{
+ if (obj == NULL)
+ return;
+
+ /*
+ * Must bump handle count first as this may be the last
+ * ref, in which case the object would disappear before we
+ * checked for a name
+ */
+ kref_put (&obj->handlecount, drm_gem_object_handle_free);
+ drm_gem_object_unreference (obj);
+}
+
+struct drm_gem_object *
+drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp,
+ int handle);
+int drm_gem_close_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int drm_gem_open_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
+void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
+
extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
extern void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev);
extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
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