67 	adev->irq.ih.enabled = true;  in tonga_ih_enable_interrupts()
87 	adev->irq.ih.enabled = false;  in tonga_ih_disable_interrupts()
88 	adev->irq.ih.rptr = 0;  in tonga_ih_disable_interrupts()
105 	struct amdgpu_ih_ring *ih = &adev->irq.ih;  in tonga_ih_irq_init()  local
123 	WREG32(mmIH_RB_BASE, ih->gpu_addr >> 8);  in tonga_ih_irq_init()
125 	rb_bufsz = order_base_2(adev->irq.ih.ring_size / 4);  in tonga_ih_irq_init()
138 	WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(ih->wptr_addr));  in tonga_ih_irq_init()
139 	WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(ih->wptr_addr) & 0xFF);  in tonga_ih_irq_init()
146 	if (adev->irq.ih.use_doorbell) {  in tonga_ih_irq_init()
148 						 OFFSET, adev->irq.ih.doorbell_index);  in tonga_ih_irq_init()
193 			     struct amdgpu_ih_ring *ih)  in tonga_ih_get_wptr()  argument
197 	wptr = le32_to_cpu(*ih->wptr_cpu);  in tonga_ih_get_wptr()
216 		wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);  in tonga_ih_get_wptr()
217 	ih->rptr = (wptr + 16) & ih->ptr_mask;  in tonga_ih_get_wptr()
223 	return (wptr & ih->ptr_mask);  in tonga_ih_get_wptr()
237 			       struct amdgpu_ih_ring *ih,  in tonga_ih_decode_iv()  argument
241 	u32 ring_index = ih->rptr >> 2;  in tonga_ih_decode_iv()
244 	dw[0] = le32_to_cpu(ih->ring[ring_index + 0]);  in tonga_ih_decode_iv()
245 	dw[1] = le32_to_cpu(ih->ring[ring_index + 1]);  in tonga_ih_decode_iv()
246 	dw[2] = le32_to_cpu(ih->ring[ring_index + 2]);  in tonga_ih_decode_iv()
247 	dw[3] = le32_to_cpu(ih->ring[ring_index + 3]);  in tonga_ih_decode_iv()
257 	ih->rptr += 16;  in tonga_ih_decode_iv()
269 			      struct amdgpu_ih_ring *ih)  in tonga_ih_set_rptr()  argument
271 	if (ih->use_doorbell) {  in tonga_ih_set_rptr()
273 		*ih->rptr_cpu = ih->rptr;  in tonga_ih_set_rptr()
274 		WDOORBELL32(ih->doorbell_index, ih->rptr);  in tonga_ih_set_rptr()
276 		WREG32(mmIH_RB_RPTR, ih->rptr);  in tonga_ih_set_rptr()
299 	r = amdgpu_ih_ring_init(adev, &adev->irq.ih, 64 * 1024, true);  in tonga_ih_sw_init()
303 	adev->irq.ih.use_doorbell = true;  in tonga_ih_sw_init()
304 	adev->irq.ih.doorbell_index = adev->doorbell_index.ih;  in tonga_ih_sw_init()