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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/qualcomm/qca_spi.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/qualcomm/qca_spi.h')
-rw-r--r--drivers/net/ethernet/qualcomm/qca_spi.h110
1 files changed, 110 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 000000000..306735610
--- /dev/null
+++ b/drivers/net/ethernet/qualcomm/qca_spi.h
@@ -0,0 +1,110 @@
+/*
+ * 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_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 TX_RING_MAX_LEN 10
+#define TX_RING_MIN_LEN 2
+
+/* 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[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 int intr_req;
+ unsigned int intr_svc;
+ u16 reset_count;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *device_root;
+#endif
+
+ /* user configurable options */
+ u32 clkspeed;
+ u8 legacy_mode;
+ u16 burst_len;
+};
+
+#endif /* _QCA_SPI_H */