wifi: mt76: mmio: move mt76_mmio_wed_{init,release}_rx_buf in common code
Move mt76_mmio_wed_init_rx_buf and mt76_mmio_wed_release_rx_buf routines
in common code.
This is a preliminary patch to introduce WED support for mt7996
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c
index 86e3d2a..350650a 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -4,6 +4,7 @@
*/
#include "mt76.h"
+#include "dma.h"
#include "trace.h"
static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
@@ -84,6 +85,80 @@ void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr,
}
EXPORT_SYMBOL_GPL(mt76_set_irq_mask);
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+void mt76_mmio_wed_release_rx_buf(struct mtk_wed_device *wed)
+{
+ struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed);
+ int i;
+
+ for (i = 0; i < dev->rx_token_size; i++) {
+ struct mt76_txwi_cache *t;
+
+ t = mt76_rx_token_release(dev, i);
+ if (!t || !t->ptr)
+ continue;
+
+ mt76_put_page_pool_buf(t->ptr, false);
+ t->ptr = NULL;
+
+ mt76_put_rxwi(dev, t);
+ }
+
+ mt76_free_pending_rxwi(dev);
+}
+EXPORT_SYMBOL_GPL(mt76_mmio_wed_release_rx_buf);
+
+u32 mt76_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
+{
+ struct mt76_dev *dev = container_of(wed, struct mt76_dev, mmio.wed);
+ struct mtk_wed_bm_desc *desc = wed->rx_buf_ring.desc;
+ struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
+ int i, len = SKB_WITH_OVERHEAD(q->buf_size);
+ struct mt76_txwi_cache *t = NULL;
+
+ for (i = 0; i < size; i++) {
+ enum dma_data_direction dir;
+ dma_addr_t addr;
+ u32 offset;
+ int token;
+ void *buf;
+
+ t = mt76_get_rxwi(dev);
+ if (!t)
+ goto unmap;
+
+ buf = mt76_get_page_pool_buf(q, &offset, q->buf_size);
+ if (!buf)
+ goto unmap;
+
+ addr = page_pool_get_dma_addr(virt_to_head_page(buf)) + offset;
+ dir = page_pool_get_dma_dir(q->page_pool);
+ dma_sync_single_for_device(dev->dma_dev, addr, len, dir);
+
+ desc->buf0 = cpu_to_le32(addr);
+ token = mt76_rx_token_consume(dev, buf, t, addr);
+ if (token < 0) {
+ mt76_put_page_pool_buf(buf, false);
+ goto unmap;
+ }
+
+ desc->token |= cpu_to_le32(FIELD_PREP(MT_DMA_CTL_TOKEN,
+ token));
+ desc++;
+ }
+
+ return 0;
+
+unmap:
+ if (t)
+ mt76_put_rxwi(dev, t);
+ mt76_mmio_wed_release_rx_buf(wed);
+
+ return -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(mt76_mmio_wed_init_rx_buf);
+#endif /*CONFIG_NET_MEDIATEK_SOC_WED */
+
void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
{
static const struct mt76_bus_ops mt76_mmio_ops = {
