/* SPDX-License-Identifier: GPL-2.0 * * Copyright 2017-2018 HabanaLabs, Ltd. * All Rights Reserved. * */ #ifndef GOYA_PACKETS_H #define GOYA_PACKETS_H #include <linux/types.h> #define PACKET_HEADER_PACKET_ID_SHIFT … #define PACKET_HEADER_PACKET_ID_MASK … enum packet_id { … }; #define GOYA_PKT_CTL_OPCODE_SHIFT … #define GOYA_PKT_CTL_OPCODE_MASK … #define GOYA_PKT_CTL_EB_SHIFT … #define GOYA_PKT_CTL_EB_MASK … #define GOYA_PKT_CTL_RB_SHIFT … #define GOYA_PKT_CTL_RB_MASK … #define GOYA_PKT_CTL_MB_SHIFT … #define GOYA_PKT_CTL_MB_MASK … /* All packets have, at least, an 8-byte header, which contains * the packet type. The kernel driver uses the packet header for packet * validation and to perform any necessary required preparation before * sending them off to the hardware. */ struct goya_packet { … }; struct packet_nop { … }; struct packet_stop { … }; #define GOYA_PKT_WREG32_CTL_REG_OFFSET_SHIFT … #define GOYA_PKT_WREG32_CTL_REG_OFFSET_MASK … struct packet_wreg32 { … }; struct packet_wreg_bulk { … }; struct packet_msg_long { … }; struct packet_msg_short { … }; struct packet_msg_prot { … }; struct packet_fence { … }; #define GOYA_PKT_LIN_DMA_CTL_WO_SHIFT … #define GOYA_PKT_LIN_DMA_CTL_WO_MASK … #define GOYA_PKT_LIN_DMA_CTL_RDCOMP_SHIFT … #define GOYA_PKT_LIN_DMA_CTL_RDCOMP_MASK … #define GOYA_PKT_LIN_DMA_CTL_WRCOMP_SHIFT … #define GOYA_PKT_LIN_DMA_CTL_WRCOMP_MASK … #define GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT … #define GOYA_PKT_LIN_DMA_CTL_MEMSET_MASK … #define GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT … #define GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK … struct packet_lin_dma { … }; struct packet_cp_dma { … }; #endif /* GOYA_PACKETS_H */
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