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path: root/drivers/misc/habanalabs/include/goya/goya_packets.h
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Diffstat (limited to 'drivers/misc/habanalabs/include/goya/goya_packets.h')
-rw-r--r--drivers/misc/habanalabs/include/goya/goya_packets.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/include/goya/goya_packets.h b/drivers/misc/habanalabs/include/goya/goya_packets.h
new file mode 100644
index 000000000000..a14407b975e4
--- /dev/null
+++ b/drivers/misc/habanalabs/include/goya/goya_packets.h
@@ -0,0 +1,129 @@
+/* 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 56
+#define PACKET_HEADER_PACKET_ID_MASK 0x1F00000000000000ull
+
+enum packet_id {
+ PACKET_WREG_32 = 0x1,
+ PACKET_WREG_BULK = 0x2,
+ PACKET_MSG_LONG = 0x3,
+ PACKET_MSG_SHORT = 0x4,
+ PACKET_CP_DMA = 0x5,
+ PACKET_MSG_PROT = 0x7,
+ PACKET_FENCE = 0x8,
+ PACKET_LIN_DMA = 0x9,
+ PACKET_NOP = 0xA,
+ PACKET_STOP = 0xB,
+ MAX_PACKET_ID = (PACKET_HEADER_PACKET_ID_MASK >>
+ PACKET_HEADER_PACKET_ID_SHIFT) + 1
+};
+
+enum goya_dma_direction {
+ DMA_HOST_TO_DRAM,
+ DMA_HOST_TO_SRAM,
+ DMA_DRAM_TO_SRAM,
+ DMA_SRAM_TO_DRAM,
+ DMA_SRAM_TO_HOST,
+ DMA_DRAM_TO_HOST,
+ DMA_DRAM_TO_DRAM,
+ DMA_SRAM_TO_SRAM,
+ DMA_ENUM_MAX
+};
+
+#define GOYA_PKT_CTL_OPCODE_SHIFT 24
+#define GOYA_PKT_CTL_OPCODE_MASK 0x1F000000
+
+#define GOYA_PKT_CTL_EB_SHIFT 29
+#define GOYA_PKT_CTL_EB_MASK 0x20000000
+
+#define GOYA_PKT_CTL_RB_SHIFT 30
+#define GOYA_PKT_CTL_RB_MASK 0x40000000
+
+#define GOYA_PKT_CTL_MB_SHIFT 31
+#define GOYA_PKT_CTL_MB_MASK 0x80000000
+
+struct packet_nop {
+ __le32 reserved;
+ __le32 ctl;
+};
+
+struct packet_stop {
+ __le32 reserved;
+ __le32 ctl;
+};
+
+#define GOYA_PKT_WREG32_CTL_REG_OFFSET_SHIFT 0
+#define GOYA_PKT_WREG32_CTL_REG_OFFSET_MASK 0x0000FFFF
+
+struct packet_wreg32 {
+ __le32 value;
+ __le32 ctl;
+};
+
+struct packet_wreg_bulk {
+ __le32 size64;
+ __le32 ctl;
+ __le64 values[0]; /* data starts here */
+};
+
+struct packet_msg_long {
+ __le32 value;
+ __le32 ctl;
+ __le64 addr;
+};
+
+struct packet_msg_short {
+ __le32 value;
+ __le32 ctl;
+};
+
+struct packet_msg_prot {
+ __le32 value;
+ __le32 ctl;
+ __le64 addr;
+};
+
+struct packet_fence {
+ __le32 cfg;
+ __le32 ctl;
+};
+
+#define GOYA_PKT_LIN_DMA_CTL_WO_SHIFT 0
+#define GOYA_PKT_LIN_DMA_CTL_WO_MASK 0x00000001
+
+#define GOYA_PKT_LIN_DMA_CTL_RDCOMP_SHIFT 1
+#define GOYA_PKT_LIN_DMA_CTL_RDCOMP_MASK 0x00000002
+
+#define GOYA_PKT_LIN_DMA_CTL_WRCOMP_SHIFT 2
+#define GOYA_PKT_LIN_DMA_CTL_WRCOMP_MASK 0x00000004
+
+#define GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT 6
+#define GOYA_PKT_LIN_DMA_CTL_MEMSET_MASK 0x00000040
+
+#define GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT 20
+#define GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK 0x00700000
+
+struct packet_lin_dma {
+ __le32 tsize;
+ __le32 ctl;
+ __le64 src_addr;
+ __le64 dst_addr;
+};
+
+struct packet_cp_dma {
+ __le32 tsize;
+ __le32 ctl;
+ __le64 src_addr;
+};
+
+#endif /* GOYA_PACKETS_H */