net: airoha: npu: Add wlan irq management callbacks

Introduce callbacks used by the MT76 driver to configure NPU SoC
interrupts. This is a preliminary patch to enable wlan flowtable
offload for EN7581 SoC with MT76 driver.

Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250811-airoha-en7581-wlan-offlaod-v7-4-58823603bb4e@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/airoha/airoha_npu.c b/drivers/net/ethernet/airoha/airoha_npu.c
index 2a337f00386f3d1a35b964331f3b09d3db4634f6..5d1355126d16d44e5bc1e0e53df7f378b904ff97 100644 (file)
--- a/drivers/net/ethernet/airoha/airoha_npu.c
+++ b/drivers/net/ethernet/airoha/airoha_npu.c
@@ -520,6 +520,29 @@ static u32 airoha_npu_wlan_queue_addr_get(struct airoha_npu *npu, int qid,
        return REG_RX_BASE(qid);
 }
 
+static void airoha_npu_wlan_irq_status_set(struct airoha_npu *npu, u32 val)
+{
+       regmap_write(npu->regmap, REG_IRQ_STATUS, val);
+}
+
+static u32 airoha_npu_wlan_irq_status_get(struct airoha_npu *npu, int q)
+{
+       u32 val;
+
+       regmap_read(npu->regmap, REG_IRQ_STATUS, &val);
+       return val;
+}
+
+static void airoha_npu_wlan_irq_enable(struct airoha_npu *npu, int q)
+{
+       regmap_set_bits(npu->regmap, REG_IRQ_RXDONE(q), NPU_IRQ_RX_MASK(q));
+}
+
+static void airoha_npu_wlan_irq_disable(struct airoha_npu *npu, int q)
+{
+       regmap_clear_bits(npu->regmap, REG_IRQ_RXDONE(q), NPU_IRQ_RX_MASK(q));
+}
+
 struct airoha_npu *airoha_npu_get(struct device *dev, dma_addr_t *stats_addr)
 {
        struct platform_device *pdev;
@@ -627,6 +650,10 @@ static int airoha_npu_probe(struct platform_device *pdev)
        npu->ops.wlan_send_msg = airoha_npu_wlan_msg_send;
        npu->ops.wlan_get_msg = airoha_npu_wlan_msg_get;
        npu->ops.wlan_get_queue_addr = airoha_npu_wlan_queue_addr_get;
+       npu->ops.wlan_set_irq_status = airoha_npu_wlan_irq_status_set;
+       npu->ops.wlan_get_irq_status = airoha_npu_wlan_irq_status_get;
+       npu->ops.wlan_enable_irq = airoha_npu_wlan_irq_enable;
+       npu->ops.wlan_disable_irq = airoha_npu_wlan_irq_disable;
 
        npu->regmap = devm_regmap_init_mmio(dev, base, &regmap_config);
        if (IS_ERR(npu->regmap))

diff --git a/drivers/net/ethernet/airoha/airoha_npu.h b/drivers/net/ethernet/airoha/airoha_npu.h
index 7b9ff370c879333397214401b22157832b656e47..84c83753c2bd8c6a30626377b90169ccffa90a07 100644 (file)
--- a/drivers/net/ethernet/airoha/airoha_npu.h
+++ b/drivers/net/ethernet/airoha/airoha_npu.h
@@ -89,6 +89,10 @@ struct airoha_npu {
                                    void *data, int data_len, gfp_t gfp);
                u32 (*wlan_get_queue_addr)(struct airoha_npu *npu, int qid,
                                           bool xmit);
+               void (*wlan_set_irq_status)(struct airoha_npu *npu, u32 val);
+               u32 (*wlan_get_irq_status)(struct airoha_npu *npu, int q);
+               void (*wlan_enable_irq)(struct airoha_npu *npu, int q);
+               void (*wlan_disable_irq)(struct airoha_npu *npu, int q);
        } ops;
 };