[P54]: add mac80211-based driver for prism54 softmac hardware

Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/p54usb.h b/drivers/net/wireless/p54usb.h
new file mode 100644
index 0000000..d1896b3
--- /dev/null
+++ b/drivers/net/wireless/p54usb.h
@@ -0,0 +1,133 @@
+#ifndef PRISM54USB_H
+#define PRISM54USB_H
+
+/*
+ * Defines for USB based mac80211 Prism54 driver
+ *
+ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ *
+ * Based on the islsm (softmac prism54) driver, which is:
+ * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
+ *
+ * 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.
+ */
+
+/* for isl3886 register definitions used on ver 1 devices */
+#include "p54pci.h"
+#include "net2280.h"
+
+/* pci */
+#define NET2280_BASE		0x10000000
+#define NET2280_BASE2		0x20000000
+
+/* gpio */
+#define P54U_BRG_POWER_UP	(1 << GPIO0_DATA)
+#define P54U_BRG_POWER_DOWN	(1 << GPIO1_DATA)
+
+/* devinit */
+#define NET2280_CLK_4Mhz	(15 << LOCAL_CLOCK_FREQUENCY)
+#define NET2280_CLK_30Mhz	(2 << LOCAL_CLOCK_FREQUENCY)
+#define NET2280_CLK_60Mhz	(1 << LOCAL_CLOCK_FREQUENCY)
+#define NET2280_CLK_STOP	(0 << LOCAL_CLOCK_FREQUENCY)
+#define NET2280_PCI_ENABLE	(1 << PCI_ENABLE)
+#define NET2280_PCI_SOFT_RESET	(1 << PCI_SOFT_RESET)
+
+/* endpoints */
+#define NET2280_CLEAR_NAK_OUT_PACKETS_MODE	(1 << CLEAR_NAK_OUT_PACKETS_MODE)
+#define NET2280_FIFO_FLUSH			(1 << FIFO_FLUSH)
+
+/* irq */
+#define NET2280_USB_INTERRUPT_ENABLE		(1 << USB_INTERRUPT_ENABLE)
+#define NET2280_PCI_INTA_INTERRUPT		(1 << PCI_INTA_INTERRUPT)
+#define NET2280_PCI_INTA_INTERRUPT_ENABLE	(1 << PCI_INTA_INTERRUPT_ENABLE)
+
+/* registers */
+#define NET2280_DEVINIT		0x00
+#define NET2280_USBIRQENB1	0x24
+#define NET2280_IRQSTAT1	0x2c
+#define NET2280_FIFOCTL         0x38
+#define NET2280_GPIOCTL		0x50
+#define NET2280_RELNUM		0x88
+#define NET2280_EPA_RSP		0x324
+#define NET2280_EPA_STAT	0x32c
+#define NET2280_EPB_STAT	0x34c
+#define NET2280_EPC_RSP		0x364
+#define NET2280_EPC_STAT	0x36c
+#define NET2280_EPD_STAT	0x38c
+
+#define NET2280_EPA_CFG     0x320
+#define NET2280_EPB_CFG     0x340
+#define NET2280_EPC_CFG     0x360
+#define NET2280_EPD_CFG     0x380
+#define NET2280_EPE_CFG     0x3A0
+#define NET2280_EPF_CFG     0x3C0
+#define P54U_DEV_BASE 0x40000000
+
+struct net2280_tx_hdr {
+	__le32 device_addr;
+	__le16 len;
+	__le16 follower;	/* ? */
+	u8 padding[8];
+} __attribute__((packed));
+
+/* Some flags for the isl hardware registers controlling DMA inside the
+ * chip */
+#define ISL38XX_DMA_STATUS_DONE			0x00000001
+#define ISL38XX_DMA_STATUS_READY		0x00000002
+#define NET2280_EPA_FIFO_PCI_ADDR		0x20000000
+#define ISL38XX_DMA_MASTER_CONTROL_TRIGGER	0x00000004
+
+enum net2280_op_type {
+	NET2280_BRG_U32		= 0x001F,
+	NET2280_BRG_CFG_U32	= 0x000F,
+	NET2280_BRG_CFG_U16	= 0x0003,
+	NET2280_DEV_U32		= 0x080F,
+	NET2280_DEV_CFG_U32	= 0x088F,
+	NET2280_DEV_CFG_U16	= 0x0883
+};
+
+#define P54U_FW_BLOCK 2048
+
+#define X2_SIGNATURE "x2  "
+#define X2_SIGNATURE_SIZE 4
+
+struct x2_header {
+	u8 signature[X2_SIGNATURE_SIZE];
+	__le32 fw_load_addr;
+	__le32 fw_length;
+	__le32 crc;
+} __attribute__((packed));
+
+/* pipes 3 and 4 are not used by the driver */
+#define P54U_PIPE_NUMBER 9
+
+enum p54u_pipe_addr {
+        P54U_PIPE_DATA = 0x01,
+        P54U_PIPE_MGMT = 0x02,
+        P54U_PIPE_3 = 0x03,
+        P54U_PIPE_4 = 0x04,
+        P54U_PIPE_BRG = 0x0d,
+        P54U_PIPE_DEV = 0x0e,
+        P54U_PIPE_INT = 0x0f
+};
+
+struct p54u_rx_info {
+	struct urb *urb;
+	struct ieee80211_hw *dev;
+};
+
+struct p54u_priv {
+	struct p54_common common;
+	struct usb_device *udev;
+	enum {
+		P54U_NET2280 = 0,
+		P54U_3887
+	} hw_type;
+
+	spinlock_t lock;
+	struct sk_buff_head rx_queue;
+};
+
+#endif /* PRISM54USB_H */