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kernel/linux-rt-4.4.41/drivers/net/wireless/p54/p54pci.h 3.15 KB
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  #ifndef P54PCI_H
  #define P54PCI_H
  #include <linux/interrupt.h>
  
  /*
   * Defines for PCI based mac80211 Prism54 driver
   *
   * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   *
   * Based on the islsm (softmac prism54) driver, which is:
   * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  /* Device Interrupt register bits */
  #define ISL38XX_DEV_INT_RESET                   0x0001
  #define ISL38XX_DEV_INT_UPDATE                  0x0002
  #define ISL38XX_DEV_INT_WAKEUP                  0x0008
  #define ISL38XX_DEV_INT_SLEEP                   0x0010
  #define ISL38XX_DEV_INT_ABORT                   0x0020
  /* these two only used in USB */
  #define ISL38XX_DEV_INT_DATA                    0x0040
  #define ISL38XX_DEV_INT_MGMT                    0x0080
  
  #define ISL38XX_DEV_INT_PCIUART_CTS             0x4000
  #define ISL38XX_DEV_INT_PCIUART_DR              0x8000
  
  /* Interrupt Identification/Acknowledge/Enable register bits */
  #define ISL38XX_INT_IDENT_UPDATE		0x0002
  #define ISL38XX_INT_IDENT_INIT			0x0004
  #define ISL38XX_INT_IDENT_WAKEUP		0x0008
  #define ISL38XX_INT_IDENT_SLEEP			0x0010
  #define ISL38XX_INT_IDENT_PCIUART_CTS		0x4000
  #define ISL38XX_INT_IDENT_PCIUART_DR		0x8000
  
  /* Control/Status register bits */
  #define ISL38XX_CTRL_STAT_SLEEPMODE		0x00000200
  #define ISL38XX_CTRL_STAT_CLKRUN		0x00800000
  #define ISL38XX_CTRL_STAT_RESET			0x10000000
  #define ISL38XX_CTRL_STAT_RAMBOOT		0x20000000
  #define ISL38XX_CTRL_STAT_STARTHALTED		0x40000000
  #define ISL38XX_CTRL_STAT_HOST_OVERRIDE		0x80000000
  
  struct p54p_csr {
  	__le32 dev_int;
  	u8 unused_1[12];
  	__le32 int_ident;
  	__le32 int_ack;
  	__le32 int_enable;
  	u8 unused_2[4];
  	union {
  		__le32 ring_control_base;
  		__le32 gen_purp_com[2];
  	};
  	u8 unused_3[8];
  	__le32 direct_mem_base;
  	u8 unused_4[44];
  	__le32 dma_addr;
  	__le32 dma_len;
  	__le32 dma_ctrl;
  	u8 unused_5[12];
  	__le32 ctrl_stat;
  	u8 unused_6[1924];
  	u8 cardbus_cis[0x800];
  	u8 direct_mem_win[0x1000];
  } __packed;
  
  /* usb backend only needs the register defines above */
  #ifndef P54USB_H
  struct p54p_desc {
  	__le32 host_addr;
  	__le32 device_addr;
  	__le16 len;
  	__le16 flags;
  } __packed;
  
  struct p54p_ring_control {
  	__le32 host_idx[4];
  	__le32 device_idx[4];
  	struct p54p_desc rx_data[8];
  	struct p54p_desc tx_data[32];
  	struct p54p_desc rx_mgmt[4];
  	struct p54p_desc tx_mgmt[4];
  } __packed;
  
  #define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
  #define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
  
  struct p54p_priv {
  	struct p54_common common;
  	struct pci_dev *pdev;
  	struct p54p_csr __iomem *map;
  	struct tasklet_struct tasklet;
  	const struct firmware *firmware;
  	spinlock_t lock;
  	struct p54p_ring_control *ring_control;
  	dma_addr_t ring_control_dma;
  	u32 rx_idx_data, tx_idx_data;
  	u32 rx_idx_mgmt, tx_idx_mgmt;
  	struct sk_buff *rx_buf_data[8];
  	struct sk_buff *rx_buf_mgmt[4];
  	struct sk_buff *tx_buf_data[32];
  	struct sk_buff *tx_buf_mgmt[4];
  	struct completion boot_comp;
  	struct completion fw_loaded;
  };
  
  #endif /* P54USB_H */
  #endif /* P54PCI_H */