Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / wireless / p54 / p54spi.h

diff --git a/kernel/drivers/net/wireless/p54/p54spi.h b/kernel/drivers/net/wireless/p54/p54spi.h
new file mode 100644 (file)
index 0000000..dfaa62a
--- /dev/null
+++ b/kernel/drivers/net/wireless/p54/p54spi.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2008 Christian Lamparter <chunkeey@web.de>
+ *
+ * This driver is a port from stlc45xx:
+ *     Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef P54SPI_H
+#define P54SPI_H
+
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <net/mac80211.h>
+
+#include "p54.h"
+
+/* Bit 15 is read/write bit; ON = READ, OFF = WRITE */
+#define SPI_ADRS_READ_BIT_15           0x8000
+
+#define SPI_ADRS_ARM_INTERRUPTS                0x00
+#define SPI_ADRS_ARM_INT_EN            0x04
+
+#define SPI_ADRS_HOST_INTERRUPTS       0x08
+#define SPI_ADRS_HOST_INT_EN           0x0c
+#define SPI_ADRS_HOST_INT_ACK          0x10
+
+#define SPI_ADRS_GEN_PURP_1            0x14
+#define SPI_ADRS_GEN_PURP_2            0x18
+
+#define SPI_ADRS_DEV_CTRL_STAT         0x26    /* high word */
+
+#define SPI_ADRS_DMA_DATA              0x28
+
+#define SPI_ADRS_DMA_WRITE_CTRL                0x2c
+#define SPI_ADRS_DMA_WRITE_LEN         0x2e
+#define SPI_ADRS_DMA_WRITE_BASE                0x30
+
+#define SPI_ADRS_DMA_READ_CTRL         0x34
+#define SPI_ADRS_DMA_READ_LEN          0x36
+#define SPI_ADRS_DMA_READ_BASE         0x38
+
+#define SPI_CTRL_STAT_HOST_OVERRIDE    0x8000
+#define SPI_CTRL_STAT_START_HALTED     0x4000
+#define SPI_CTRL_STAT_RAM_BOOT         0x2000
+#define SPI_CTRL_STAT_HOST_RESET       0x1000
+#define SPI_CTRL_STAT_HOST_CPU_EN      0x0800
+
+#define SPI_DMA_WRITE_CTRL_ENABLE      0x0001
+#define SPI_DMA_READ_CTRL_ENABLE       0x0001
+#define HOST_ALLOWED                   (1 << 7)
+
+#define SPI_TIMEOUT                    100         /* msec */
+
+#define SPI_MAX_TX_PACKETS             32
+
+#define SPI_MAX_PACKET_SIZE            32767
+
+#define SPI_TARGET_INT_WAKEUP          0x00000001
+#define SPI_TARGET_INT_SLEEP           0x00000002
+#define SPI_TARGET_INT_RDDONE          0x00000004
+
+#define SPI_TARGET_INT_CTS             0x00004000
+#define SPI_TARGET_INT_DR              0x00008000
+
+#define SPI_HOST_INT_READY             0x00000001
+#define SPI_HOST_INT_WR_READY          0x00000002
+#define SPI_HOST_INT_SW_UPDATE         0x00000004
+#define SPI_HOST_INT_UPDATE            0x10000000
+
+/* clear to send */
+#define SPI_HOST_INT_CR                        0x00004000
+
+/* data ready */
+#define SPI_HOST_INT_DR                        0x00008000
+
+#define SPI_HOST_INTS_DEFAULT                                              \
+       (SPI_HOST_INT_READY | SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE)
+
+#define TARGET_BOOT_SLEEP 50
+
+struct p54s_dma_regs {
+       __le16 cmd;
+       __le16 len;
+       __le32 addr;
+} __packed;
+
+struct p54s_tx_info {
+       struct list_head tx_list;
+};
+
+struct p54s_priv {
+       /* p54_common has to be the first entry */
+       struct p54_common common;
+       struct ieee80211_hw *hw;
+       struct spi_device *spi;
+
+       struct work_struct work;
+
+       struct mutex mutex;
+       struct completion fw_comp;
+
+       spinlock_t tx_lock;
+
+       /* protected by tx_lock */
+       struct list_head tx_pending;
+
+       enum fw_state fw_state;
+       const struct firmware *firmware;
+};
+
+#endif /* P54SPI_H */