linux/drivers/net/wireless/intersil/p54/p54pci.h
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   1#ifndef P54PCI_H
   2#define P54PCI_H
   3#include <linux/interrupt.h>
   4
   5/*
   6 * Defines for PCI based mac80211 Prism54 driver
   7 *
   8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   9 *
  10 * Based on the islsm (softmac prism54) driver, which is:
  11 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
  12 *
  13 * This program is free software; you can redistribute it and/or modify
  14 * it under the terms of the GNU General Public License version 2 as
  15 * published by the Free Software Foundation.
  16 */
  17
  18/* Device Interrupt register bits */
  19#define ISL38XX_DEV_INT_RESET                   0x0001
  20#define ISL38XX_DEV_INT_UPDATE                  0x0002
  21#define ISL38XX_DEV_INT_WAKEUP                  0x0008
  22#define ISL38XX_DEV_INT_SLEEP                   0x0010
  23#define ISL38XX_DEV_INT_ABORT                   0x0020
  24/* these two only used in USB */
  25#define ISL38XX_DEV_INT_DATA                    0x0040
  26#define ISL38XX_DEV_INT_MGMT                    0x0080
  27
  28#define ISL38XX_DEV_INT_PCIUART_CTS             0x4000
  29#define ISL38XX_DEV_INT_PCIUART_DR              0x8000
  30
  31/* Interrupt Identification/Acknowledge/Enable register bits */
  32#define ISL38XX_INT_IDENT_UPDATE                0x0002
  33#define ISL38XX_INT_IDENT_INIT                  0x0004
  34#define ISL38XX_INT_IDENT_WAKEUP                0x0008
  35#define ISL38XX_INT_IDENT_SLEEP                 0x0010
  36#define ISL38XX_INT_IDENT_PCIUART_CTS           0x4000
  37#define ISL38XX_INT_IDENT_PCIUART_DR            0x8000
  38
  39/* Control/Status register bits */
  40#define ISL38XX_CTRL_STAT_SLEEPMODE             0x00000200
  41#define ISL38XX_CTRL_STAT_CLKRUN                0x00800000
  42#define ISL38XX_CTRL_STAT_RESET                 0x10000000
  43#define ISL38XX_CTRL_STAT_RAMBOOT               0x20000000
  44#define ISL38XX_CTRL_STAT_STARTHALTED           0x40000000
  45#define ISL38XX_CTRL_STAT_HOST_OVERRIDE         0x80000000
  46
  47struct p54p_csr {
  48        __le32 dev_int;
  49        u8 unused_1[12];
  50        __le32 int_ident;
  51        __le32 int_ack;
  52        __le32 int_enable;
  53        u8 unused_2[4];
  54        union {
  55                __le32 ring_control_base;
  56                __le32 gen_purp_com[2];
  57        };
  58        u8 unused_3[8];
  59        __le32 direct_mem_base;
  60        u8 unused_4[44];
  61        __le32 dma_addr;
  62        __le32 dma_len;
  63        __le32 dma_ctrl;
  64        u8 unused_5[12];
  65        __le32 ctrl_stat;
  66        u8 unused_6[1924];
  67        u8 cardbus_cis[0x800];
  68        u8 direct_mem_win[0x1000];
  69} __packed;
  70
  71/* usb backend only needs the register defines above */
  72#ifndef P54USB_H
  73struct p54p_desc {
  74        __le32 host_addr;
  75        __le32 device_addr;
  76        __le16 len;
  77        __le16 flags;
  78} __packed;
  79
  80struct p54p_ring_control {
  81        __le32 host_idx[4];
  82        __le32 device_idx[4];
  83        struct p54p_desc rx_data[8];
  84        struct p54p_desc tx_data[32];
  85        struct p54p_desc rx_mgmt[4];
  86        struct p54p_desc tx_mgmt[4];
  87} __packed;
  88
  89#define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
  90#define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
  91
  92struct p54p_priv {
  93        struct p54_common common;
  94        struct pci_dev *pdev;
  95        struct p54p_csr __iomem *map;
  96        struct tasklet_struct tasklet;
  97        const struct firmware *firmware;
  98        spinlock_t lock;
  99        struct p54p_ring_control *ring_control;
 100        dma_addr_t ring_control_dma;
 101        u32 rx_idx_data, tx_idx_data;
 102        u32 rx_idx_mgmt, tx_idx_mgmt;
 103        struct sk_buff *rx_buf_data[8];
 104        struct sk_buff *rx_buf_mgmt[4];
 105        struct sk_buff *tx_buf_data[32];
 106        struct sk_buff *tx_buf_mgmt[4];
 107        struct completion boot_comp;
 108        struct completion fw_loaded;
 109};
 110
 111#endif /* P54USB_H */
 112#endif /* P54PCI_H */
 113