#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20060119"
+#define DRIVER_DATE "20080730"
+
+enum pipe {
+ PIPE_A = 0,
+ PIPE_B,
+};
/* Interface history:
*
#define DRIVER_MINOR 6
#define DRIVER_PATCHLEVEL 0
+#define WATCH_COHERENCY 0
+#define WATCH_BUF 0
+#define WATCH_EXEC 0
+#define WATCH_LRU 0
+#define WATCH_RELOC 0
+#define WATCH_INACTIVE 0
+#define WATCH_PWRITE 0
+
typedef struct _drm_i915_ring_buffer {
int tail_mask;
- unsigned long Start;
- unsigned long End;
unsigned long Size;
u8 *virtual_start;
int head;
int tail;
int space;
drm_local_map_t map;
+ struct drm_gem_object *ring_obj;
} drm_i915_ring_buffer_t;
struct mem_block {
unsigned int sequence;
} drm_i915_vbl_swap_t;
+struct opregion_header;
+struct opregion_acpi;
+struct opregion_swsci;
+struct opregion_asle;
+
+struct intel_opregion {
+ struct opregion_header *header;
+ struct opregion_acpi *acpi;
+ struct opregion_swsci *swsci;
+ struct opregion_asle *asle;
+ int enabled;
+};
+
typedef struct drm_i915_private {
+ struct drm_device *dev;
+
+ void __iomem *regs;
drm_local_map_t *sarea;
- drm_local_map_t *mmio_map;
drm_i915_sarea_t *sarea_priv;
drm_i915_ring_buffer_t ring;
drm_dma_handle_t *status_page_dmah;
void *hw_status_page;
dma_addr_t dma_status_page;
- unsigned long counter;
+ uint32_t counter;
unsigned int status_gfx_addr;
drm_local_map_t hws_map;
+ struct drm_gem_object *hws_obj;
unsigned int cpp;
int back_offset;
wait_queue_head_t irq_queue;
atomic_t irq_received;
- atomic_t irq_emitted;
/** Protects user_irq_refcount and irq_mask_reg */
spinlock_t user_irq_lock;
/** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
drm_i915_vbl_swap_t vbl_swaps;
unsigned int swaps_pending;
+ struct intel_opregion opregion;
+
/* Register state */
u8 saveLBB;
u32 saveDSPACNTR;
u8 saveDACMASK;
u8 saveDACDATA[256*3]; /* 256 3-byte colors */
u8 saveCR[37];
+
+ /** Work task for vblank-related ring access */
+ struct work_struct vblank_work;
+
+ struct {
+ struct drm_mm gtt_space;
+
+ /**
+ * List of objects currently involved in rendering from the
+ * ringbuffer.
+ *
+ * A reference is held on the buffer while on this list.
+ */
+ struct list_head active_list;
+
+ /**
+ * List of objects which are not in the ringbuffer but which
+ * still have a write_domain which needs to be flushed before
+ * unbinding.
+ *
+ * A reference is held on the buffer while on this list.
+ */
+ struct list_head flushing_list;
+
+ /**
+ * LRU list of objects which are not in the ringbuffer and
+ * are ready to unbind, but are still in the GTT.
+ *
+ * A reference is not held on the buffer while on this list,
+ * as merely being GTT-bound shouldn't prevent its being
+ * freed, and we'll pull it off the list in the free path.
+ */
+ struct list_head inactive_list;
+
+ /**
+ * List of breadcrumbs associated with GPU requests currently
+ * outstanding.
+ */
+ struct list_head request_list;
+
+ /**
+ * We leave the user IRQ off as much as possible,
+ * but this means that requests will finish and never
+ * be retired once the system goes idle. Set a timer to
+ * fire periodically while the ring is running. When it
+ * fires, go retire requests.
+ */
+ struct delayed_work retire_work;
+
+ uint32_t next_gem_seqno;
+
+ /**
+ * Waiting sequence number, if any
+ */
+ uint32_t waiting_gem_seqno;
+
+ /**
+ * Last seq seen at irq time
+ */
+ uint32_t irq_gem_seqno;
+
+ /**
+ * Flag if the X Server, and thus DRM, is not currently in
+ * control of the device.
+ *
+ * This is set between LeaveVT and EnterVT. It needs to be
+ * replaced with a semaphore. It also needs to be
+ * transitioned away from for kernel modesetting.
+ */
+ int suspended;
+
+ /**
+ * Flag if the hardware appears to be wedged.
+ *
+ * This is set when attempts to idle the device timeout.
+ * It prevents command submission from occuring and makes
+ * every pending request fail
+ */
+ int wedged;
+
+ /** Bit 6 swizzling required for X tiling */
+ uint32_t bit_6_swizzle_x;
+ /** Bit 6 swizzling required for Y tiling */
+ uint32_t bit_6_swizzle_y;
+ } mm;
} drm_i915_private_t;
+/** driver private structure attached to each drm_gem_object */
+struct drm_i915_gem_object {
+ struct drm_gem_object *obj;
+
+ /** Current space allocated to this object in the GTT, if any. */
+ struct drm_mm_node *gtt_space;
+
+ /** This object's place on the active/flushing/inactive lists */
+ struct list_head list;
+
+ /**
+ * This is set if the object is on the active or flushing lists
+ * (has pending rendering), and is not set if it's on inactive (ready
+ * to be unbound).
+ */
+ int active;
+
+ /**
+ * This is set if the object has been written to since last bound
+ * to the GTT
+ */
+ int dirty;
+
+ /** AGP memory structure for our GTT binding. */
+ DRM_AGP_MEM *agp_mem;
+
+ struct page **page_list;
+
+ /**
+ * Current offset of the object in GTT space.
+ *
+ * This is the same as gtt_space->start
+ */
+ uint32_t gtt_offset;
+
+ /** Boolean whether this object has a valid gtt offset. */
+ int gtt_bound;
+
+ /** How many users have pinned this object in GTT space */
+ int pin_count;
+
+ /** Breadcrumb of last rendering to the buffer. */
+ uint32_t last_rendering_seqno;
+
+ /** Current tiling mode for the object. */
+ uint32_t tiling_mode;
+
+ /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
+ uint32_t agp_type;
+
+ /**
+ * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
+ * GEM_DOMAIN_CPU is not in the object's read domain.
+ */
+ uint8_t *page_cpu_valid;
+};
+
+/**
+ * Request queue structure.
+ *
+ * The request queue allows us to note sequence numbers that have been emitted
+ * and may be associated with active buffers to be retired.
+ *
+ * By keeping this list, we can avoid having to do questionable
+ * sequence-number comparisons on buffer last_rendering_seqnos, and associate
+ * an emission time with seqnos for tracking how far ahead of the GPU we are.
+ */
+struct drm_i915_gem_request {
+ /** GEM sequence number associated with this request. */
+ uint32_t seqno;
+
+ /** Time at which this request was emitted, in jiffies. */
+ unsigned long emitted_jiffies;
+
+ /** Cache domains that were flushed at the start of the request. */
+ uint32_t flush_domains;
+
+ struct list_head list;
+};
+
+struct drm_i915_file_private {
+ struct {
+ uint32_t last_gem_seqno;
+ uint32_t last_gem_throttle_seqno;
+ } mm;
+};
+
extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;
extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
extern int i915_driver_unload(struct drm_device *);
+extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
extern void i915_driver_lastclose(struct drm_device * dev);
extern void i915_driver_preclose(struct drm_device *dev,
struct drm_file *file_priv);
+extern void i915_driver_postclose(struct drm_device *dev,
+ struct drm_file *file_priv);
extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
+extern int i915_emit_box(struct drm_device *dev,
+ struct drm_clip_rect __user *boxes,
+ int i, int DR1, int DR4);
/* i915_irq.c */
extern int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+void i915_user_irq_get(struct drm_device *dev);
+void i915_user_irq_put(struct drm_device *dev);
-extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
+extern void i915_vblank_work_handler(struct work_struct *work);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
-extern void i915_driver_irq_postinstall(struct drm_device * dev);
+extern int i915_driver_irq_postinstall(struct drm_device *dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+extern int i915_enable_vblank(struct drm_device *dev, int crtc);
+extern void i915_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
extern void i915_mem_takedown(struct mem_block **heap);
extern void i915_mem_release(struct drm_device * dev,
struct drm_file *file_priv, struct mem_block *heap);
+/* i915_gem.c */
+int i915_gem_init_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_create_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_execbuffer(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_set_tiling(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_get_tiling(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+void i915_gem_load(struct drm_device *dev);
+int i915_gem_proc_init(struct drm_minor *minor);
+void i915_gem_proc_cleanup(struct drm_minor *minor);
+int i915_gem_init_object(struct drm_gem_object *obj);
+void i915_gem_free_object(struct drm_gem_object *obj);
+int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
+void i915_gem_object_unpin(struct drm_gem_object *obj);
+void i915_gem_lastclose(struct drm_device *dev);
+uint32_t i915_get_gem_seqno(struct drm_device *dev);
+void i915_gem_retire_requests(struct drm_device *dev);
+void i915_gem_retire_work_handler(struct work_struct *work);
+void i915_gem_clflush_object(struct drm_gem_object *obj);
+
+/* i915_gem_tiling.c */
+void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
+
+/* i915_gem_debug.c */
+void i915_gem_dump_object(struct drm_gem_object *obj, int len,
+ const char *where, uint32_t mark);
+#if WATCH_INACTIVE
+void i915_verify_inactive(struct drm_device *dev, char *file, int line);
+#else
+#define i915_verify_inactive(dev, file, line)
+#endif
+void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
+void i915_gem_dump_object(struct drm_gem_object *obj, int len,
+ const char *where, uint32_t mark);
+void i915_dump_lru(struct drm_device *dev, const char *where);
+
+/* i915_suspend.c */
+extern int i915_save_state(struct drm_device *dev);
+extern int i915_restore_state(struct drm_device *dev);
+
+/* i915_suspend.c */
+extern int i915_save_state(struct drm_device *dev);
+extern int i915_restore_state(struct drm_device *dev);
+
+/* i915_opregion.c */
+extern int intel_opregion_init(struct drm_device *dev);
+extern void intel_opregion_free(struct drm_device *dev);
+extern void opregion_asle_intr(struct drm_device *dev);
+extern void opregion_enable_asle(struct drm_device *dev);
+
+/**
+ * Lock test for when it's just for synchronization of ring access.
+ *
+ * In that case, we don't need to do it when GEM is initialized as nobody else
+ * has access to the ring.
+ */
+#define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \
+ if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
+ LOCK_TEST_WITH_RETURN(dev, file_priv); \
+} while (0)
-#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
-#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
-#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
-#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
+#define I915_READ(reg) readl(dev_priv->regs + (reg))
+#define I915_WRITE(reg, val) writel(val, dev_priv->regs + (reg))
+#define I915_READ16(reg) readw(dev_priv->regs + (reg))
+#define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
+#define I915_READ8(reg) readb(dev_priv->regs + (reg))
+#define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
#define I915_VERBOSE 0
* MI_STORE_DATA_IMM.
*
* The following dwords have a reserved meaning:
- * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
- * 4: ring 0 head pointer
- * 5: ring 1 head pointer (915-class)
- * 6: ring 2 head pointer (915-class)
+ * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
+ * 0x04: ring 0 head pointer
+ * 0x05: ring 1 head pointer (915-class)
+ * 0x06: ring 2 head pointer (915-class)
+ * 0x10-0x1b: Context status DWords (GM45)
+ * 0x1f: Last written status offset. (GM45)
*
- * The area from dword 0x10 to 0x3ff is available for driver usage.
+ * The area from dword 0x20 to 0x3ff is available for driver usage.
*/
#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
+#define I915_GEM_HWS_INDEX 0x20
extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
-#define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42)
+#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
(dev)->pci_device == 0x2E12 || \
IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
- IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev))
+ IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
-#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev) || IS_G4X(dev))
+#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)
projects / linux-2.6-omap-h63xx.git / blobdiff