[PATCH v2 01/12] wifi: mt76: mmio: move mt76_mmio_wed_{init,release}_rx_buf in common code
Lorenzo Bianconi
lorenzo at kernel.org
Mon Oct 16 02:03:34 PDT 2023
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 at kernel.org>
---
drivers/net/wireless/mediatek/mt76/mmio.c | 75 ++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76.h | 5 ++
.../net/wireless/mediatek/mt76/mt7915/mmio.c | 78 +------------------
3 files changed, 82 insertions(+), 76 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c
index 86e3d2ac4d0d..350650a0fce2 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 = {
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index ea828ba0b83a..11212b6153ab 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -1057,6 +1057,11 @@ static inline u16 mt76_rev(struct mt76_dev *dev)
return dev->rev & 0xffff;
}
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+u32 mt76_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size);
+void mt76_mmio_wed_release_rx_buf(struct mtk_wed_device *wed);
+#endif /*CONFIG_NET_MEDIATEK_SOC_WED */
+
#define mt76xx_chip(dev) mt76_chip(&((dev)->mt76))
#define mt76xx_rev(dev) mt76_rev(&((dev)->mt76))
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
index e7d8e03f826f..1621a8150798 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
@@ -567,80 +567,6 @@ static void mt7915_mmio_wed_offload_disable(struct mtk_wed_device *wed)
spin_unlock_bh(&dev->mt76.token_lock);
}
-static void mt7915_mmio_wed_release_rx_buf(struct mtk_wed_device *wed)
-{
- struct mt7915_dev *dev;
- int i;
-
- dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed);
- for (i = 0; i < dev->mt76.rx_token_size; i++) {
- struct mt76_txwi_cache *t;
-
- t = mt76_rx_token_release(&dev->mt76, i);
- if (!t || !t->ptr)
- continue;
-
- mt76_put_page_pool_buf(t->ptr, false);
- t->ptr = NULL;
-
- mt76_put_rxwi(&dev->mt76, t);
- }
-
- mt76_free_pending_rxwi(&dev->mt76);
-}
-
-static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
-{
- struct mtk_wed_bm_desc *desc = wed->rx_buf_ring.desc;
- struct mt76_txwi_cache *t = NULL;
- struct mt7915_dev *dev;
- struct mt76_queue *q;
- int i, len;
-
- dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed);
- q = &dev->mt76.q_rx[MT_RXQ_MAIN];
- len = SKB_WITH_OVERHEAD(q->buf_size);
-
- 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->mt76);
- 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->mt76.dma_dev, addr, len, dir);
-
- desc->buf0 = cpu_to_le32(addr);
- token = mt76_rx_token_consume(&dev->mt76, 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->mt76, t);
- mt7915_mmio_wed_release_rx_buf(wed);
- return -ENOMEM;
-}
-
static void mt7915_mmio_wed_update_rx_stats(struct mtk_wed_device *wed,
struct mtk_wed_wo_rx_stats *stats)
{
@@ -780,8 +706,8 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr,
wed->wlan.init_buf = mt7915_wed_init_buf;
wed->wlan.offload_enable = mt7915_mmio_wed_offload_enable;
wed->wlan.offload_disable = mt7915_mmio_wed_offload_disable;
- wed->wlan.init_rx_buf = mt7915_mmio_wed_init_rx_buf;
- wed->wlan.release_rx_buf = mt7915_mmio_wed_release_rx_buf;
+ wed->wlan.init_rx_buf = mt76_mmio_wed_init_rx_buf;
+ wed->wlan.release_rx_buf = mt76_mmio_wed_release_rx_buf;
wed->wlan.update_wo_rx_stats = mt7915_mmio_wed_update_rx_stats;
wed->wlan.reset = mt7915_mmio_wed_reset;
wed->wlan.reset_complete = mt7915_mmio_wed_reset_complete;
--
2.41.0
More information about the Linux-mediatek
mailing list