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