1#ifndef P54USB_H
  2#define P54USB_H
  3
  4/*
  5 * Defines for USB based mac80211 Prism54 driver
  6 *
  7 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  8 *
  9 * Based on the islsm (softmac prism54) driver, which is:
 10 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
 11 *
 12 * This program is free software; you can redistribute it and/or modify
 13 * it under the terms of the GNU General Public License version 2 as
 14 * published by the Free Software Foundation.
 15 */
 16
 17/* for isl3886 register definitions used on ver 1 devices */
 18#include "p54pci.h"
 19#include "net2280.h"
 20
 21/* pci */
 22#define NET2280_BASE		0x10000000
 23#define NET2280_BASE2		0x20000000
 24
 25/* gpio */
 26#define P54U_BRG_POWER_UP	(1 << GPIO0_DATA)
 27#define P54U_BRG_POWER_DOWN	(1 << GPIO1_DATA)
 28
 29/* devinit */
 30#define NET2280_CLK_4Mhz	(15 << LOCAL_CLOCK_FREQUENCY)
 31#define NET2280_CLK_30Mhz	(2 << LOCAL_CLOCK_FREQUENCY)
 32#define NET2280_CLK_60Mhz	(1 << LOCAL_CLOCK_FREQUENCY)
 33#define NET2280_CLK_STOP	(0 << LOCAL_CLOCK_FREQUENCY)
 34#define NET2280_PCI_ENABLE	(1 << PCI_ENABLE)
 35#define NET2280_PCI_SOFT_RESET	(1 << PCI_SOFT_RESET)
 36
 37/* endpoints */
 38#define NET2280_CLEAR_NAK_OUT_PACKETS_MODE	(1 << CLEAR_NAK_OUT_PACKETS_MODE)
 39#define NET2280_FIFO_FLUSH			(1 << FIFO_FLUSH)
 40
 41/* irq */
 42#define NET2280_USB_INTERRUPT_ENABLE		(1 << USB_INTERRUPT_ENABLE)
 43#define NET2280_PCI_INTA_INTERRUPT		(1 << PCI_INTA_INTERRUPT)
 44#define NET2280_PCI_INTA_INTERRUPT_ENABLE	(1 << PCI_INTA_INTERRUPT_ENABLE)
 45
 46/* registers */
 47#define NET2280_DEVINIT		0x00
 48#define NET2280_USBIRQENB1	0x24
 49#define NET2280_IRQSTAT1	0x2c
 50#define NET2280_FIFOCTL         0x38
 51#define NET2280_GPIOCTL		0x50
 52#define NET2280_RELNUM		0x88
 53#define NET2280_EPA_RSP		0x324
 54#define NET2280_EPA_STAT	0x32c
 55#define NET2280_EPB_STAT	0x34c
 56#define NET2280_EPC_RSP		0x364
 57#define NET2280_EPC_STAT	0x36c
 58#define NET2280_EPD_STAT	0x38c
 59
 60#define NET2280_EPA_CFG     0x320
 61#define NET2280_EPB_CFG     0x340
 62#define NET2280_EPC_CFG     0x360
 63#define NET2280_EPD_CFG     0x380
 64#define NET2280_EPE_CFG     0x3A0
 65#define NET2280_EPF_CFG     0x3C0
 66#define P54U_DEV_BASE 0x40000000
 67
 68struct net2280_tx_hdr {
 69	__le32 device_addr;
 70	__le16 len;
 71	__le16 follower;	/* ? */
 72	u8 padding[8];
 73} __packed;
 74
 75struct lm87_tx_hdr {
 76	__le32 device_addr;
 77	__le32 chksum;
 78} __packed;
 79
 80/* Some flags for the isl hardware registers controlling DMA inside the
 81 * chip */
 82#define ISL38XX_DMA_STATUS_DONE			0x00000001
 83#define ISL38XX_DMA_STATUS_READY		0x00000002
 84#define NET2280_EPA_FIFO_PCI_ADDR		0x20000000
 85#define ISL38XX_DMA_MASTER_CONTROL_TRIGGER	0x00000004
 86
 87enum net2280_op_type {
 88	NET2280_BRG_U32		= 0x001F,
 89	NET2280_BRG_CFG_U32	= 0x000F,
 90	NET2280_BRG_CFG_U16	= 0x0003,
 91	NET2280_DEV_U32		= 0x080F,
 92	NET2280_DEV_CFG_U32	= 0x088F,
 93	NET2280_DEV_CFG_U16	= 0x0883
 94};
 95
 96#define P54U_FW_BLOCK 2048
 97
 98#define X2_SIGNATURE "x2  "
 99#define X2_SIGNATURE_SIZE 4
100
101struct x2_header {
102	u8 signature[X2_SIGNATURE_SIZE];
103	__le32 fw_load_addr;
104	__le32 fw_length;
105	__le32 crc;
106} __packed;
107
108/* pipes 3 and 4 are not used by the driver */
109#define P54U_PIPE_NUMBER 9
110
111enum p54u_pipe_addr {
112        P54U_PIPE_DATA = 0x01,
113        P54U_PIPE_MGMT = 0x02,
114        P54U_PIPE_3 = 0x03,
115        P54U_PIPE_4 = 0x04,
116        P54U_PIPE_BRG = 0x0d,
117        P54U_PIPE_DEV = 0x0e,
118        P54U_PIPE_INT = 0x0f
119};
120
121struct p54u_rx_info {
122	struct urb *urb;
123	struct ieee80211_hw *dev;
124};
125
126enum p54u_hw_type {
127	P54U_INVALID_HW,
128	P54U_NET2280,
129	P54U_3887,
130
131	/* keep last */
132	__NUM_P54U_HWTYPES,
133};
134
135struct p54u_priv {
136	struct p54_common common;
137	struct usb_device *udev;
138	struct usb_interface *intf;
139	int (*upload_fw)(struct ieee80211_hw *dev);
140
141	enum p54u_hw_type hw_type;
142	spinlock_t lock;
143	struct sk_buff_head rx_queue;
144	struct usb_anchor submitted;
145	const struct firmware *fw;
146};
147
148#endif /* P54USB_H */