net: airoha: Add airoha_offload.h header

Move NPU definitions to airoha_offload.h in include/linux/soc/airoha/ in
order to allow the MT76 driver to access the callback definitions.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250811-airoha-en7581-wlan-offlaod-v7-7-58823603bb4e@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

3 files changed, 2 insertions, 105 deletions

diff --git a/drivers/net/ethernet/airoha/airoha_npu.c b/drivers/net/ethernet/airoha/airoha_npu.c
index 66a8a992dbf2..1a6b191ae0b0 100644
--- a/drivers/net/ethernet/airoha/airoha_npu.c
+++ b/drivers/net/ethernet/airoha/airoha_npu.c
@@ -11,9 +11,9 @@
 #include <linux/of_platform.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/regmap.h>
+#include <linux/soc/airoha/airoha_offload.h>
 
 #include "airoha_eth.h"
-#include "airoha_npu.h"
 
 #define NPU_EN7581_FIRMWARE_DATA		"airoha/en7581_npu_data.bin"
 #define NPU_EN7581_FIRMWARE_RV32		"airoha/en7581_npu_rv32.bin"
diff --git a/drivers/net/ethernet/airoha/airoha_npu.h b/drivers/net/ethernet/airoha/airoha_npu.h
deleted file mode 100644
index a448c74208a9..000000000000
--- a/drivers/net/ethernet/airoha/airoha_npu.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2025 AIROHA Inc
- * Author: Lorenzo Bianconi <lorenzo@kernel.org>
- */
-
-#define NPU_NUM_CORES		8
-#define NPU_NUM_IRQ		6
-
-enum airoha_npu_wlan_set_cmd {
-	WLAN_FUNC_SET_WAIT_PCIE_ADDR,
-	WLAN_FUNC_SET_WAIT_DESC,
-	WLAN_FUNC_SET_WAIT_NPU_INIT_DONE,
-	WLAN_FUNC_SET_WAIT_TRAN_TO_CPU,
-	WLAN_FUNC_SET_WAIT_BA_WIN_SIZE,
-	WLAN_FUNC_SET_WAIT_DRIVER_MODEL,
-	WLAN_FUNC_SET_WAIT_DEL_STA,
-	WLAN_FUNC_SET_WAIT_DRAM_BA_NODE_ADDR,
-	WLAN_FUNC_SET_WAIT_PKT_BUF_ADDR,
-	WLAN_FUNC_SET_WAIT_IS_TEST_NOBA,
-	WLAN_FUNC_SET_WAIT_FLUSHONE_TIMEOUT,
-	WLAN_FUNC_SET_WAIT_FLUSHALL_TIMEOUT,
-	WLAN_FUNC_SET_WAIT_IS_FORCE_TO_CPU,
-	WLAN_FUNC_SET_WAIT_PCIE_STATE,
-	WLAN_FUNC_SET_WAIT_PCIE_PORT_TYPE,
-	WLAN_FUNC_SET_WAIT_ERROR_RETRY_TIMES,
-	WLAN_FUNC_SET_WAIT_BAR_INFO,
-	WLAN_FUNC_SET_WAIT_FAST_FLAG,
-	WLAN_FUNC_SET_WAIT_NPU_BAND0_ONCPU,
-	WLAN_FUNC_SET_WAIT_TX_RING_PCIE_ADDR,
-	WLAN_FUNC_SET_WAIT_TX_DESC_HW_BASE,
-	WLAN_FUNC_SET_WAIT_TX_BUF_SPACE_HW_BASE,
-	WLAN_FUNC_SET_WAIT_RX_RING_FOR_TXDONE_HW_BASE,
-	WLAN_FUNC_SET_WAIT_TX_PKT_BUF_ADDR,
-	WLAN_FUNC_SET_WAIT_INODE_TXRX_REG_ADDR,
-	WLAN_FUNC_SET_WAIT_INODE_DEBUG_FLAG,
-	WLAN_FUNC_SET_WAIT_INODE_HW_CFG_INFO,
-	WLAN_FUNC_SET_WAIT_INODE_STOP_ACTION,
-	WLAN_FUNC_SET_WAIT_INODE_PCIE_SWAP,
-	WLAN_FUNC_SET_WAIT_RATELIMIT_CTRL,
-	WLAN_FUNC_SET_WAIT_HWNAT_INIT,
-	WLAN_FUNC_SET_WAIT_ARHT_CHIP_INFO,
-	WLAN_FUNC_SET_WAIT_TX_BUF_CHECK_ADDR,
-	WLAN_FUNC_SET_WAIT_TOKEN_ID_SIZE,
-};
-
-enum airoha_npu_wlan_get_cmd {
-	WLAN_FUNC_GET_WAIT_NPU_INFO,
-	WLAN_FUNC_GET_WAIT_LAST_RATE,
-	WLAN_FUNC_GET_WAIT_COUNTER,
-	WLAN_FUNC_GET_WAIT_DBG_COUNTER,
-	WLAN_FUNC_GET_WAIT_RXDESC_BASE,
-	WLAN_FUNC_GET_WAIT_WCID_DBG_COUNTER,
-	WLAN_FUNC_GET_WAIT_DMA_ADDR,
-	WLAN_FUNC_GET_WAIT_RING_SIZE,
-	WLAN_FUNC_GET_WAIT_NPU_SUPPORT_MAP,
-	WLAN_FUNC_GET_WAIT_MDC_LOCK_ADDRESS,
-	WLAN_FUNC_GET_WAIT_NPU_VERSION,
-};
-
-struct airoha_npu {
-	struct device *dev;
-	struct regmap *regmap;
-
-	struct airoha_npu_core {
-		struct airoha_npu *npu;
-		/* protect concurrent npu memory accesses */
-		spinlock_t lock;
-		struct work_struct wdt_work;
-	} cores[NPU_NUM_CORES];
-
-	int irqs[NPU_NUM_IRQ];
-
-	struct airoha_foe_stats __iomem *stats;
-
-	struct {
-		int (*ppe_init)(struct airoha_npu *npu);
-		int (*ppe_deinit)(struct airoha_npu *npu);
-		int (*ppe_flush_sram_entries)(struct airoha_npu *npu,
-					      dma_addr_t foe_addr,
-					      int sram_num_entries);
-		int (*ppe_foe_commit_entry)(struct airoha_npu *npu,
-					    dma_addr_t foe_addr,
-					    u32 entry_size, u32 hash,
-					    bool ppe2);
-		int (*wlan_init_reserved_memory)(struct airoha_npu *npu);
-		int (*wlan_send_msg)(struct airoha_npu *npu, int ifindex,
-				     enum airoha_npu_wlan_set_cmd func_id,
-				     void *data, int data_len, gfp_t gfp);
-		int (*wlan_get_msg)(struct airoha_npu *npu, int ifindex,
-				    enum airoha_npu_wlan_get_cmd func_id,
-				    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;
-};
-
-struct airoha_npu *airoha_npu_get(struct device *dev, dma_addr_t *stats_addr);
-void airoha_npu_put(struct airoha_npu *npu);
diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 47411d2cbd28..82163392332c 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -7,10 +7,10 @@
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/rhashtable.h>
+#include <linux/soc/airoha/airoha_offload.h>
 #include <net/ipv6.h>
 #include <net/pkt_cls.h>
 
-#include "airoha_npu.h"
 #include "airoha_regs.h"
 #include "airoha_eth.h"