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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/net/ethernet/qualcomm/qca_7k.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/qualcomm/qca_7k.h')
-rw-r--r--drivers/net/ethernet/qualcomm/qca_7k.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/qca_7k.h b/drivers/net/ethernet/qualcomm/qca_7k.h
new file mode 100644
index 000000000..27124c2bb
--- /dev/null
+++ b/drivers/net/ethernet/qualcomm/qca_7k.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2011, 2012, Qualcomm Atheros Communications Inc.
+ * Copyright (c) 2014, I2SE GmbH
+ *
+ * Permission to use, copy, modify, and/or distribute this software
+ * for any purpose with or without fee is hereby granted, provided
+ * that the above copyright notice and this permission notice appear
+ * in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+/* Qualcomm Atheros SPI register definition.
+ *
+ * This module is designed to define the Qualcomm Atheros SPI
+ * register placeholders.
+ */
+
+#ifndef _QCA_7K_H
+#define _QCA_7K_H
+
+#include <linux/types.h>
+
+#include "qca_spi.h"
+
+#define QCA7K_SPI_READ (1 << 15)
+#define QCA7K_SPI_WRITE (0 << 15)
+#define QCA7K_SPI_INTERNAL (1 << 14)
+#define QCA7K_SPI_EXTERNAL (0 << 14)
+
+#define QCASPI_CMD_LEN 2
+#define QCASPI_HW_PKT_LEN 4
+#define QCASPI_HW_BUF_LEN 0xC5B
+
+/* SPI registers; */
+#define SPI_REG_BFR_SIZE 0x0100
+#define SPI_REG_WRBUF_SPC_AVA 0x0200
+#define SPI_REG_RDBUF_BYTE_AVA 0x0300
+#define SPI_REG_SPI_CONFIG 0x0400
+#define SPI_REG_SPI_STATUS 0x0500
+#define SPI_REG_INTR_CAUSE 0x0C00
+#define SPI_REG_INTR_ENABLE 0x0D00
+#define SPI_REG_RDBUF_WATERMARK 0x1200
+#define SPI_REG_WRBUF_WATERMARK 0x1300
+#define SPI_REG_SIGNATURE 0x1A00
+#define SPI_REG_ACTION_CTRL 0x1B00
+
+/* SPI_CONFIG register definition; */
+#define QCASPI_SLAVE_RESET_BIT BIT(6)
+
+/* INTR_CAUSE/ENABLE register definition. */
+#define SPI_INT_WRBUF_BELOW_WM BIT(10)
+#define SPI_INT_CPU_ON BIT(6)
+#define SPI_INT_ADDR_ERR BIT(3)
+#define SPI_INT_WRBUF_ERR BIT(2)
+#define SPI_INT_RDBUF_ERR BIT(1)
+#define SPI_INT_PKT_AVLBL BIT(0)
+
+void qcaspi_spi_error(struct qcaspi *qca);
+int qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result);
+int qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value);
+
+#endif /* _QCA_7K_H */