drivers/net/wireless/p54/p54pci.h

   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
  47 struct 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
  73 struct p54p_desc {
  74         __le32 host_addr;
  75         __le32 device_addr;
  76         __le16 len;
  77         __le16 flags;
  78 } __packed;
  79
  80 struct 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
  92 struct 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 */