diff options
Diffstat (limited to 'drivers/net/ethernet/airoha/airoha_npu.h')
| -rw-r--r-- | drivers/net/ethernet/airoha/airoha_npu.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/airoha/airoha_npu.h b/drivers/net/ethernet/airoha/airoha_npu.h new file mode 100644 index 000000000000..98ec3be74ce4 --- /dev/null +++ b/drivers/net/ethernet/airoha/airoha_npu.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2025 AIROHA Inc + * Author: Lorenzo Bianconi <lorenzo@kernel.org> + */ + +#define NPU_NUM_CORES 8 + +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]; + + 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); + } ops; +}; + +struct airoha_npu *airoha_npu_get(struct device *dev, dma_addr_t *stats_addr); +void airoha_npu_put(struct airoha_npu *npu); |