LXR linux/drivers/net/wireless/intersil/p54/p54usb.h

   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 <linux/usb/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
  96struct net2280_reg_write {
  97        __le16 port;
  98        __le32 addr;
  99        __le32 val;
 100} __packed;
 101
 102struct net2280_reg_read {
 103        __le16 port;
 104        __le32 addr;
 105} __packed;
 106
 107#define P54U_FW_BLOCK 2048
 108
 109#define X2_SIGNATURE "x2  "
 110#define X2_SIGNATURE_SIZE 4
 111
 112struct x2_header {
 113        u8 signature[X2_SIGNATURE_SIZE];
 114        __le32 fw_load_addr;
 115        __le32 fw_length;
 116        __le32 crc;
 117} __packed;
 118
 119/* pipes 3 and 4 are not used by the driver */
 120#define P54U_PIPE_NUMBER 9
 121
 122enum p54u_pipe_addr {
 123        P54U_PIPE_DATA = 0x01,
 124        P54U_PIPE_MGMT = 0x02,
 125        P54U_PIPE_3 = 0x03,
 126        P54U_PIPE_4 = 0x04,
 127        P54U_PIPE_BRG = 0x0d,
 128        P54U_PIPE_DEV = 0x0e,
 129        P54U_PIPE_INT = 0x0f
 130};
 131
 132struct p54u_rx_info {
 133        struct urb *urb;
 134        struct ieee80211_hw *dev;
 135};
 136
 137enum p54u_hw_type {
 138        P54U_INVALID_HW,
 139        P54U_NET2280,
 140        P54U_3887,
 141
 142        /* keep last */
 143        __NUM_P54U_HWTYPES,
 144};
 145
 146struct p54u_priv {
 147        struct p54_common common;
 148        struct usb_device *udev;
 149        struct usb_interface *intf;
 150        int (*upload_fw)(struct ieee80211_hw *dev);
 151
 152        enum p54u_hw_type hw_type;
 153        spinlock_t lock;
 154        struct sk_buff_head rx_queue;
 155        struct usb_anchor submitted;
 156        const struct firmware *fw;
 157
 158        /* asynchronous firmware callback */
 159        struct completion fw_wait_load;
 160};
 161
 162#endif /* P54USB_H */
 163