drivers/net/wireless/intersil/p54/p54pci.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #ifndef P54PCI_H
   3 #define P54PCI_H
   4 #include <linux/interrupt.h>
   5
   6 /*
   7  * Defines for PCI based mac80211 Prism54 driver
   8  *
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  *
  11  * Based on the islsm (softmac prism54) driver, which is:
  12  * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
  13  */
  14
  15 /* Device Interrupt register bits */
  16 #define ISL38XX_DEV_INT_RESET                   0x0001
  17 #define ISL38XX_DEV_INT_UPDATE                  0x0002
  18 #define ISL38XX_DEV_INT_WAKEUP                  0x0008
  19 #define ISL38XX_DEV_INT_SLEEP                   0x0010
  20 #define ISL38XX_DEV_INT_ABORT                   0x0020
  21 /* these two only used in USB */
  22 #define ISL38XX_DEV_INT_DATA                    0x0040
  23 #define ISL38XX_DEV_INT_MGMT                    0x0080
  24
  25 #define ISL38XX_DEV_INT_PCIUART_CTS             0x4000
  26 #define ISL38XX_DEV_INT_PCIUART_DR              0x8000
  27
  28 /* Interrupt Identification/Acknowledge/Enable register bits */
  29 #define ISL38XX_INT_IDENT_UPDATE                0x0002
  30 #define ISL38XX_INT_IDENT_INIT                  0x0004
  31 #define ISL38XX_INT_IDENT_WAKEUP                0x0008
  32 #define ISL38XX_INT_IDENT_SLEEP                 0x0010
  33 #define ISL38XX_INT_IDENT_PCIUART_CTS           0x4000
  34 #define ISL38XX_INT_IDENT_PCIUART_DR            0x8000
  35
  36 /* Control/Status register bits */
  37 #define ISL38XX_CTRL_STAT_SLEEPMODE             0x00000200
  38 #define ISL38XX_CTRL_STAT_CLKRUN                0x00800000
  39 #define ISL38XX_CTRL_STAT_RESET                 0x10000000
  40 #define ISL38XX_CTRL_STAT_RAMBOOT               0x20000000
  41 #define ISL38XX_CTRL_STAT_STARTHALTED           0x40000000
  42 #define ISL38XX_CTRL_STAT_HOST_OVERRIDE         0x80000000
  43
  44 struct p54p_csr {
  45         __le32 dev_int;
  46         u8 unused_1[12];
  47         __le32 int_ident;
  48         __le32 int_ack;
  49         __le32 int_enable;
  50         u8 unused_2[4];
  51         union {
  52                 __le32 ring_control_base;
  53                 __le32 gen_purp_com[2];
  54         };
  55         u8 unused_3[8];
  56         __le32 direct_mem_base;
  57         u8 unused_4[44];
  58         __le32 dma_addr;
  59         __le32 dma_len;
  60         __le32 dma_ctrl;
  61         u8 unused_5[12];
  62         __le32 ctrl_stat;
  63         u8 unused_6[1924];
  64         u8 cardbus_cis[0x800];
  65         u8 direct_mem_win[0x1000];
  66 } __packed;
  67
  68 /* usb backend only needs the register defines above */
  69 #ifndef P54USB_H
  70 struct p54p_desc {
  71         __le32 host_addr;
  72         __le32 device_addr;
  73         __le16 len;
  74         __le16 flags;
  75 } __packed;
  76
  77 struct p54p_ring_control {
  78         __le32 host_idx[4];
  79         __le32 device_idx[4];
  80         struct p54p_desc rx_data[8];
  81         struct p54p_desc tx_data[32];
  82         struct p54p_desc rx_mgmt[4];
  83         struct p54p_desc tx_mgmt[4];
  84 } __packed;
  85
  86 #define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
  87 #define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
  88
  89 struct p54p_priv {
  90         struct p54_common common;
  91         struct pci_dev *pdev;
  92         struct p54p_csr __iomem *map;
  93         struct tasklet_struct tasklet;
  94         const struct firmware *firmware;
  95         spinlock_t lock;
  96         struct p54p_ring_control *ring_control;
  97         dma_addr_t ring_control_dma;
  98         u32 rx_idx_data, tx_idx_data;
  99         u32 rx_idx_mgmt, tx_idx_mgmt;
 100         struct sk_buff *rx_buf_data[8];
 101         struct sk_buff *rx_buf_mgmt[4];
 102         struct sk_buff *tx_buf_data[32];
 103         struct sk_buff *tx_buf_mgmt[4];
 104         struct completion boot_comp;
 105         struct completion fw_loaded;
 106 };
 107
 108 #endif /* P54USB_H */
 109 #endif /* P54PCI_H */