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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/net/wireless/intersil/p54/p54spi.h
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/net/wireless/intersil/p54/p54spi.h')
-rw-r--r--drivers/net/wireless/intersil/p54/p54spi.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/net/wireless/intersil/p54/p54spi.h b/drivers/net/wireless/intersil/p54/p54spi.h
new file mode 100644
index 000000000..dfaa62aae
--- /dev/null
+++ b/drivers/net/wireless/intersil/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 */