athk/ath11k/dbring.c

39 					struct ath11k_dbring *ring,
51 	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
58 	ptr_aligned = PTR_ALIGN(ptr_unaligned, ring->buf_align);
59 	ath11k_dbring_fill_magic_value(ar, ptr_aligned, ring->buf_sz);
60 	paddr = dma_map_single(ab->dev, ptr_aligned, ring->buf_sz,
67 	spin_lock_bh(&ring->idr_lock);
68 	buf_id = idr_alloc(&ring->bufs_idr, buff, 0, ring->bufs_max, GFP_ATOMIC);
69 	spin_unlock_bh(&ring->idr_lock);
94 	spin_lock_bh(&ring->idr_lock);
95 	idr_remove(&ring->bufs_idr, buf_id);
96 	spin_unlock_bh(&ring->idr_lock);
98 	dma_unmap_single(ab->dev, paddr, ring->buf_sz,
106 				   struct ath11k_dbring *ring,
115 	srng = &ar->ab->hal.srng_list[ring->refill_srng.ring_id];
120 	req_entries = min(num_free, ring->bufs_max);
122 	align = ring->buf_align;
123 	size = ring->buf_sz + align - 1;
135 		ret = ath11k_dbring_bufs_replenish(ar, ring, buff, id);
137 			ath11k_warn(ar->ab, "failed to replenish db ring num_remain %d req_ent %d\n",
152 				struct ath11k_dbring *ring,
161 	param.pdev_id		= DP_SW2HW_MACID(ring->pdev_id);
163 	param.base_paddr_lo	= lower_32_bits(ring->refill_srng.paddr);
164 	param.base_paddr_hi	= upper_32_bits(ring->refill_srng.paddr);
165 	param.head_idx_paddr_lo	= lower_32_bits(ring->hp_addr);
166 	param.head_idx_paddr_hi = upper_32_bits(ring->hp_addr);
167 	param.tail_idx_paddr_lo = lower_32_bits(ring->tp_addr);
168 	param.tail_idx_paddr_hi = upper_32_bits(ring->tp_addr);
169 	param.num_elems		= ring->bufs_max;
170 	param.buf_size		= ring->buf_sz;
171 	param.num_resp_per_event = ring->num_resp_per_event;
172 	param.event_timeout_ms	= ring->event_timeout_ms;
176 		ath11k_warn(ar->ab, "failed to setup db ring cfg\n");
183 int ath11k_dbring_set_cfg(struct ath11k *ar, struct ath11k_dbring *ring,
188 	if (WARN_ON(!ring))
191 	ring->num_resp_per_event = num_resp_per_event;
192 	ring->event_timeout_ms = event_timeout_ms;
193 	ring->handler = handler;
199 			    struct ath11k_dbring *ring,
206 	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
207 	ring->bufs_max = ring->refill_srng.size /
210 	ring->buf_sz = db_cap->min_buf_sz;
211 	ring->buf_align = db_cap->min_buf_align;
212 	ring->pdev_id = db_cap->pdev_id;
213 	ring->hp_addr = ath11k_hal_srng_get_hp_addr(ar->ab, srng);
214 	ring->tp_addr = ath11k_hal_srng_get_tp_addr(ar->ab, srng);
216 	ret = ath11k_dbring_fill_bufs(ar, ring, db_cap->id);
221 int ath11k_dbring_srng_setup(struct ath11k *ar, struct ath11k_dbring *ring,
226 	ret = ath11k_dp_srng_setup(ar->ab, &ring->refill_srng, HAL_RXDMA_DIR_BUF,
236 	ath11k_dp_srng_cleanup(ar->ab, &ring->refill_srng);
268 	struct ath11k_dbring *ring;
309 		ring = ath11k_spectral_get_dbring(ar);
312 		ring = NULL;
318 	if (!ring) {
323 	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
325 	size = ring->buf_sz + ring->buf_align - 1;
341 		spin_lock_bh(&ring->idr_lock);
342 		buff = idr_find(&ring->bufs_idr, buf_id);
344 			spin_unlock_bh(&ring->idr_lock);
347 		idr_remove(&ring->bufs_idr, buf_id);
348 		spin_unlock_bh(&ring->idr_lock);
350 		dma_unmap_single(ab->dev, buff->paddr, ring->buf_sz,
356 		if (ring->handler) {
359 						      ring->buf_align);
360 			handler_data.data_sz = ring->buf_sz;
362 			ring->handler(ar, &handler_data);
367 		ath11k_dbring_bufs_replenish(ar, ring, buff, module_id);
378 void ath11k_dbring_srng_cleanup(struct ath11k *ar, struct ath11k_dbring *ring)
380 	ath11k_dp_srng_cleanup(ar->ab, &ring->refill_srng);
383 void ath11k_dbring_buf_cleanup(struct ath11k *ar, struct ath11k_dbring *ring)
388 	spin_lock_bh(&ring->idr_lock);
389 	idr_for_each_entry(&ring->bufs_idr, buff, buf_id) {
390 		idr_remove(&ring->bufs_idr, buf_id);
392 				 ring->buf_sz, DMA_FROM_DEVICE);
397 	idr_destroy(&ring->bufs_idr);
398 	spin_unlock_bh(&ring->idr_lock);