25 #define I915_READ_TAIL(ring) I915_READ(RING_TAIL((ring)->mmio_base))  argument
26 #define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL((ring)->mmio_base), val)  argument
28 #define I915_READ_START(ring) I915_READ(RING_START((ring)->mmio_base))  argument
29 #define I915_WRITE_START(ring, val) I915_WRITE(RING_START((ring)->mmio_base), val)  argument
31 #define I915_READ_HEAD(ring)  I915_READ(RING_HEAD((ring)->mmio_base))  argument
32 #define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD((ring)->mmio_base), val)  argument
34 #define I915_READ_CTL(ring) I915_READ(RING_CTL((ring)->mmio_base))  argument
35 #define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL((ring)->mmio_base), val)  argument
37 #define I915_READ_IMR(ring) I915_READ(RING_IMR((ring)->mmio_base))  argument
38 #define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val)  argument
40 #define I915_READ_NOPID(ring) I915_READ(RING_NOPID((ring)->mmio_base))  argument
41 #define I915_READ_SYNC_0(ring) I915_READ(RING_SYNC_0((ring)->mmio_base))  argument
42 #define I915_READ_SYNC_1(ring) I915_READ(RING_SYNC_1((ring)->mmio_base))  argument
78 	bool		(*irq_get)(struct intel_ring_buffer *ring);
79 	void		(*irq_put)(struct intel_ring_buffer *ring);
81 	int		(*init)(struct intel_ring_buffer *ring);
83 	void		(*write_tail)(struct intel_ring_buffer *ring,
85 	int		(*flush)(struct intel_ring_buffer *ring,
88 	int		(*add_request)(struct intel_ring_buffer *ring,
90 	uint32_t	(*get_seqno)(struct intel_ring_buffer *ring);
91 	int		(*dispatch_execbuffer)(struct intel_ring_buffer *ring,
95 	void		(*cleanup)(struct intel_ring_buffer *ring);
96 	int		(*sync_to)(struct intel_ring_buffer *ring,
147 intel_ring_initialized(struct intel_ring_buffer *ring)  in intel_ring_initialized()  argument
149 	return ring->obj != NULL;  in intel_ring_initialized()
153 intel_ring_flag(struct intel_ring_buffer *ring)  in intel_ring_flag()  argument
155 	return 1 << ring->id;  in intel_ring_flag()
159 intel_ring_sync_index(struct intel_ring_buffer *ring,  in intel_ring_sync_index()  argument
170 	idx = (other - ring) - 1;  in intel_ring_sync_index()
178 intel_read_status_page(struct intel_ring_buffer *ring,  in intel_read_status_page()  argument
183 	return atomic_load_acq_32(ring->status_page.page_addr + reg);  in intel_read_status_page()
186 void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring);
188 int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n);
189 static inline int intel_wait_ring_idle(struct intel_ring_buffer *ring)  in intel_wait_ring_idle()  argument
192 	return (intel_wait_ring_buffer(ring, ring->size - 8));  in intel_wait_ring_idle()
195 int intel_ring_begin(struct intel_ring_buffer *ring, int n);
197 static inline void intel_ring_emit(struct intel_ring_buffer *ring,  in intel_ring_emit()  argument
200 	*(volatile uint32_t *)((char *)ring->virtual_start +  in intel_ring_emit()
201 	    ring->tail) = data;  in intel_ring_emit()
202 	ring->tail += 4;  in intel_ring_emit()
205 void intel_ring_advance(struct intel_ring_buffer *ring);
207 uint32_t intel_ring_get_seqno(struct intel_ring_buffer *ring);
213 u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
214 void intel_ring_setup_status_page(struct intel_ring_buffer *ring);
216 static inline u32 intel_ring_get_tail(struct intel_ring_buffer *ring)  in intel_ring_get_tail()  argument
218 	return ring->tail;  in intel_ring_get_tail()
221 void i915_trace_irq_get(struct intel_ring_buffer *ring, uint32_t seqno);