1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h
new file mode 100644
index 000000000000..90b290f94c27
--- /dev/null
+++ b/drivers/net/ethernet/qualcomm/qca_spi.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ *   Copyright (c) 2011, 2012, Qualcomm Atheros Communications Inc.
+ *   Copyright (c) 2014, I2SE GmbH
+ */
+
+/*   Qualcomm Atheros SPI register definition.
+ *
+ *   This module is designed to define the Qualcomm Atheros SPI register
+ *   placeholders;
+ */
+
+#ifndef _QCA_SPI_H
+#define _QCA_SPI_H
+
+#include <linux/netdevice.h>
+#include <linux/sched.h>
+#include <linux/skbuff.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+
+#include "qca_7k_common.h"
+
+#define QCASPI_DRV_VERSION "0.2.7-i"
+#define QCASPI_DRV_NAME    "qcaspi"
+
+#define QCASPI_GOOD_SIGNATURE 0xAA55
+
+#define QCASPI_TX_RING_MAX_LEN 10
+#define QCASPI_TX_RING_MIN_LEN 2
+#define QCASPI_RX_MAX_FRAMES 4
+
+/* sync related constants */
+#define QCASPI_SYNC_UNKNOWN 0
+#define QCASPI_SYNC_RESET   1
+#define QCASPI_SYNC_READY   2
+
+#define QCASPI_RESET_TIMEOUT 10
+
+/* sync events */
+#define QCASPI_EVENT_UPDATE 0
+#define QCASPI_EVENT_CPUON  1
+
+struct tx_ring {
+	struct sk_buff *skb[QCASPI_TX_RING_MAX_LEN];
+	u16 head;
+	u16 tail;
+	u16 size;
+	u16 count;
+};
+
+struct qcaspi_stats {
+	u64 trig_reset;
+	u64 device_reset;
+	u64 reset_timeout;
+	u64 read_err;
+	u64 write_err;
+	u64 read_buf_err;
+	u64 write_buf_err;
+	u64 out_of_mem;
+	u64 write_buf_miss;
+	u64 ring_full;
+	u64 spi_err;
+	u64 write_verify_failed;
+	u64 buf_avail_err;
+	u64 bad_signature;
+};
+
+struct qcaspi {
+	struct net_device *net_dev;
+	struct spi_device *spi_dev;
+	struct task_struct *spi_thread;
+
+	struct tx_ring txr;
+	struct qcaspi_stats stats;
+
+	u8 *rx_buffer;
+	u32 buffer_size;
+	u8 sync;
+
+	struct qcafrm_handle frm_handle;
+	struct sk_buff *rx_skb;
+
+	unsigned long flags;
+	u16 reset_count;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *device_root;
+#endif
+
+	/* user configurable options */
+	u8 legacy_mode;
+	u16 burst_len;
+};
+
+#endif /* _QCA_SPI_H */