drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8187.h - linux - Git at Google

 /*
  * Definitions for RTL8187 hardware
  *
  * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
  *
  * Based on the r8187 driver, which is:
  * Copyright 2005 Andrea Merello <andrea.merello@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.
  */

 #ifndef RTL8187_H
 #define RTL8187_H

 #include <linux/cache.h>

 #include "rtl818x.h"
 #include "leds.h"

 #define RTL8187_EEPROM_TXPWR_BASE	0x05
 #define RTL8187_EEPROM_MAC_ADDR		0x07
 #define RTL8187_EEPROM_TXPWR_CHAN_1	0x16	/* 3 channels */
 #define RTL8187_EEPROM_TXPWR_CHAN_6	0x1B	/* 2 channels */
 #define RTL8187_EEPROM_TXPWR_CHAN_4	0x3D	/* 2 channels */
 #define RTL8187_EEPROM_SELECT_GPIO	0x3B

 #define RTL8187_REQT_READ	0xC0
 #define RTL8187_REQT_WRITE	0x40
 #define RTL8187_REQ_GET_REG	0x05
 #define RTL8187_REQ_SET_REG	0x05

 #define RTL8187_MAX_RX		0x9C4

 #define RFKILL_MASK_8187_89_97	0x2
 #define RFKILL_MASK_8198	0x4

 #define RETRY_COUNT		7

 struct rtl8187_rx_info {
 	struct urb *urb;
 	struct ieee80211_hw *dev;
 };

 struct rtl8187_rx_hdr {
 	__le32 flags;
 	u8 noise;
 	u8 signal;
 	u8 agc;
 	u8 reserved;
 	__le64 mac_time;
 } __packed;

 struct rtl8187b_rx_hdr {
 	__le32 flags;
 	__le64 mac_time;
 	u8 sq;
 	u8 rssi;
 	u8 agc;
 	u8 flags2;
 	__le16 snr_long2end;
 	s8 pwdb_g12;
 	u8 fot;
 } __packed;

 /* {rtl8187,rtl8187b}_tx_info is in skb */

 struct rtl8187_tx_hdr {
 	__le32 flags;
 	__le16 rts_duration;
 	__le16 len;
 	__le32 retry;
 } __packed;

 struct rtl8187b_tx_hdr {
 	__le32 flags;
 	__le16 rts_duration;
 	__le16 len;
 	__le32 unused_1;
 	__le16 unused_2;
 	__le16 tx_duration;
 	__le32 unused_3;
 	__le32 retry;
 	__le32 unused_4[2];
 } __packed;

 enum {
 	DEVICE_RTL8187,
 	DEVICE_RTL8187B
 };

 struct rtl8187_vif {
 	struct ieee80211_hw *dev;

 	/* beaconing */
 	struct delayed_work beacon_work;
 	bool enable_beacon;
 };

 struct rtl8187_priv {
 	/* common between rtl818x drivers */
 	struct rtl818x_csr *map;
 	const struct rtl818x_rf_ops *rf;
 	struct ieee80211_vif *vif;

 	/* The mutex protects the TX loopback state.
 	 * Any attempt to set channels concurrently locks the device.
 	 */
 	struct mutex conf_mutex;

 	/* rtl8187 specific */
 	struct ieee80211_channel channels[14];
 	struct ieee80211_rate rates[12];
 	struct ieee80211_supported_band band;
 	struct usb_device *udev;
 	u32 rx_conf;
 	struct usb_anchor anchored;
 	struct delayed_work work;
 	struct ieee80211_hw *dev;
 #ifdef CONFIG_RTL8187_LEDS
 	struct rtl8187_led led_radio;
 	struct rtl8187_led led_tx;
 	struct rtl8187_led led_rx;
 	struct delayed_work led_on;
 	struct delayed_work led_off;
 #endif
 	u16 txpwr_base;
 	u8 asic_rev;
 	u8 is_rtl8187b;
 	enum {
 		RTL8187BvB,
 		RTL8187BvD,
 		RTL8187BvE
 	} hw_rev;
 	struct sk_buff_head rx_queue;
 	u8 signal;
 	u8 noise;
 	u8 slot_time;
 	u8 aifsn[4];
 	u8 rfkill_mask;
 	struct {
 		union {
 			__le64 buf;
 			u8 dummy1[L1_CACHE_BYTES];
 		} ____cacheline_aligned;
 		struct sk_buff_head queue;
 	} b_tx_status; /* This queue is used by both -b and non-b devices */
 	struct mutex io_mutex;
 	union {
 		u8 bits8;
 		__le16 bits16;
 		__le32 bits32;
 		u8 dummy2[L1_CACHE_BYTES];
 	} *io_dmabuf ____cacheline_aligned;
 	bool rfkill_off;
 	u16 seqno;
 };

 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);

 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 				     u8 *addr, u8 idx)
 {
 	u8 val;

 	mutex_lock(&priv->io_mutex);
 	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 			RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 			(unsigned long)addr, idx & 0x03,
 			&priv->io_dmabuf->bits8, sizeof(val), HZ / 2);

 	val = priv->io_dmabuf->bits8;
 	mutex_unlock(&priv->io_mutex);

 	return val;
 }

 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 {
 	return rtl818x_ioread8_idx(priv, addr, 0);
 }

 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 				       __le16 *addr, u8 idx)
 {
 	__le16 val;

 	mutex_lock(&priv->io_mutex);
 	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 			RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 			(unsigned long)addr, idx & 0x03,
 			&priv->io_dmabuf->bits16, sizeof(val), HZ / 2);

 	val = priv->io_dmabuf->bits16;
 	mutex_unlock(&priv->io_mutex);

 	return le16_to_cpu(val);
 }

 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 {
 	return rtl818x_ioread16_idx(priv, addr, 0);
 }

 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 				       __le32 *addr, u8 idx)
 {
 	__le32 val;

 	mutex_lock(&priv->io_mutex);
 	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 			RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 			(unsigned long)addr, idx & 0x03,
 			&priv->io_dmabuf->bits32, sizeof(val), HZ / 2);

 	val = priv->io_dmabuf->bits32;
 	mutex_unlock(&priv->io_mutex);

 	return le32_to_cpu(val);
 }

 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 {
 	return rtl818x_ioread32_idx(priv, addr, 0);
 }

 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 					u8 *addr, u8 val, u8 idx)
 {
 	mutex_lock(&priv->io_mutex);

 	priv->io_dmabuf->bits8 = val;
 	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 			RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 			(unsigned long)addr, idx & 0x03,
 			&priv->io_dmabuf->bits8, sizeof(val), HZ / 2);

 	mutex_unlock(&priv->io_mutex);
 }

 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 {
 	rtl818x_iowrite8_idx(priv, addr, val, 0);
 }

 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 					 __le16 *addr, u16 val, u8 idx)
 {
 	mutex_lock(&priv->io_mutex);

 	priv->io_dmabuf->bits16 = cpu_to_le16(val);
 	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 			RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 			(unsigned long)addr, idx & 0x03,
 			&priv->io_dmabuf->bits16, sizeof(val), HZ / 2);

 	mutex_unlock(&priv->io_mutex);
 }

 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 				     u16 val)
 {
 	rtl818x_iowrite16_idx(priv, addr, val, 0);
 }

 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 					 __le32 *addr, u32 val, u8 idx)
 {
 	mutex_lock(&priv->io_mutex);

 	priv->io_dmabuf->bits32 = cpu_to_le32(val);
 	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 			RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 			(unsigned long)addr, idx & 0x03,
 			&priv->io_dmabuf->bits32, sizeof(val), HZ / 2);

 	mutex_unlock(&priv->io_mutex);
 }

 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 				     u32 val)
 {
 	rtl818x_iowrite32_idx(priv, addr, val, 0);
 }

 #endif /* RTL8187_H */
	/*
	* Definitions for RTL8187 hardware
	*
	* Copyright 2007 Michael Wu <flamingice@sourmilk.net>
	* Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
	*
	* Based on the r8187 driver, which is:
	* Copyright 2005 Andrea Merello <andrea.merello@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.
	*/

	#ifndef RTL8187_H
	#define RTL8187_H

	#include <linux/cache.h>

	#include "rtl818x.h"
	#include "leds.h"

	#define RTL8187_EEPROM_TXPWR_BASE 0x05
	#define RTL8187_EEPROM_MAC_ADDR 0x07
	#define RTL8187_EEPROM_TXPWR_CHAN_1 0x16 /* 3 channels */
	#define RTL8187_EEPROM_TXPWR_CHAN_6 0x1B /* 2 channels */
	#define RTL8187_EEPROM_TXPWR_CHAN_4 0x3D /* 2 channels */
	#define RTL8187_EEPROM_SELECT_GPIO 0x3B

	#define RTL8187_REQT_READ 0xC0
	#define RTL8187_REQT_WRITE 0x40
	#define RTL8187_REQ_GET_REG 0x05
	#define RTL8187_REQ_SET_REG 0x05

	#define RTL8187_MAX_RX 0x9C4

	#define RFKILL_MASK_8187_89_97 0x2
	#define RFKILL_MASK_8198 0x4

	#define RETRY_COUNT 7

	struct rtl8187_rx_info {
	struct urb *urb;
	struct ieee80211_hw *dev;
	};

	struct rtl8187_rx_hdr {
	__le32 flags;
	u8 noise;
	u8 signal;
	u8 agc;
	u8 reserved;
	__le64 mac_time;
	} __packed;

	struct rtl8187b_rx_hdr {
	__le32 flags;
	__le64 mac_time;
	u8 sq;
	u8 rssi;
	u8 agc;
	u8 flags2;
	__le16 snr_long2end;
	s8 pwdb_g12;
	u8 fot;
	} __packed;

	/* {rtl8187,rtl8187b}_tx_info is in skb */

	struct rtl8187_tx_hdr {
	__le32 flags;
	__le16 rts_duration;
	__le16 len;
	__le32 retry;
	} __packed;

	struct rtl8187b_tx_hdr {
	__le32 flags;
	__le16 rts_duration;
	__le16 len;
	__le32 unused_1;
	__le16 unused_2;
	__le16 tx_duration;
	__le32 unused_3;
	__le32 retry;
	__le32 unused_4[2];
	} __packed;

	enum {
	DEVICE_RTL8187,
	DEVICE_RTL8187B
	};

	struct rtl8187_vif {
	struct ieee80211_hw *dev;

	/* beaconing */
	struct delayed_work beacon_work;
	bool enable_beacon;
	};

	struct rtl8187_priv {
	/* common between rtl818x drivers */
	struct rtl818x_csr *map;
	const struct rtl818x_rf_ops *rf;
	struct ieee80211_vif *vif;

	/* The mutex protects the TX loopback state.
	* Any attempt to set channels concurrently locks the device.
	*/
	struct mutex conf_mutex;

	/* rtl8187 specific */
	struct ieee80211_channel channels[14];
	struct ieee80211_rate rates[12];
	struct ieee80211_supported_band band;
	struct usb_device *udev;
	u32 rx_conf;
	struct usb_anchor anchored;
	struct delayed_work work;
	struct ieee80211_hw *dev;
	#ifdef CONFIG_RTL8187_LEDS
	struct rtl8187_led led_radio;
	struct rtl8187_led led_tx;
	struct rtl8187_led led_rx;
	struct delayed_work led_on;
	struct delayed_work led_off;
	#endif
	u16 txpwr_base;
	u8 asic_rev;
	u8 is_rtl8187b;
	enum {
	RTL8187BvB,
	RTL8187BvD,
	RTL8187BvE
	} hw_rev;
	struct sk_buff_head rx_queue;
	u8 signal;
	u8 noise;
	u8 slot_time;
	u8 aifsn[4];
	u8 rfkill_mask;
	struct {
	union {
	__le64 buf;
	u8 dummy1[L1_CACHE_BYTES];
	} ____cacheline_aligned;
	struct sk_buff_head queue;
	} b_tx_status; /* This queue is used by both -b and non-b devices */
	struct mutex io_mutex;
	union {
	u8 bits8;
	__le16 bits16;
	__le32 bits32;
	u8 dummy2[L1_CACHE_BYTES];
	} *io_dmabuf ____cacheline_aligned;
	bool rfkill_off;
	u16 seqno;
	};

	void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);

	static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
	u8 *addr, u8 idx)
	{
	u8 val;

	mutex_lock(&priv->io_mutex);
	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
	RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
	(unsigned long)addr, idx & 0x03,
	&priv->io_dmabuf->bits8, sizeof(val), HZ / 2);

	val = priv->io_dmabuf->bits8;
	mutex_unlock(&priv->io_mutex);

	return val;
	}

	static inline u8 rtl818x_ioread8(struct rtl8187_priv priv, u8 addr)
	{
	return rtl818x_ioread8_idx(priv, addr, 0);
	}

	static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
	__le16 *addr, u8 idx)
	{
	__le16 val;

	mutex_lock(&priv->io_mutex);
	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
	RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
	(unsigned long)addr, idx & 0x03,
	&priv->io_dmabuf->bits16, sizeof(val), HZ / 2);

	val = priv->io_dmabuf->bits16;
	mutex_unlock(&priv->io_mutex);

	return le16_to_cpu(val);
	}

	static inline u16 rtl818x_ioread16(struct rtl8187_priv priv, __le16 addr)
	{
	return rtl818x_ioread16_idx(priv, addr, 0);
	}

	static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
	__le32 *addr, u8 idx)
	{
	__le32 val;

	mutex_lock(&priv->io_mutex);
	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
	RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
	(unsigned long)addr, idx & 0x03,
	&priv->io_dmabuf->bits32, sizeof(val), HZ / 2);

	val = priv->io_dmabuf->bits32;
	mutex_unlock(&priv->io_mutex);

	return le32_to_cpu(val);
	}

	static inline u32 rtl818x_ioread32(struct rtl8187_priv priv, __le32 addr)
	{
	return rtl818x_ioread32_idx(priv, addr, 0);
	}

	static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
	u8 *addr, u8 val, u8 idx)
	{
	mutex_lock(&priv->io_mutex);

	priv->io_dmabuf->bits8 = val;
	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
	RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
	(unsigned long)addr, idx & 0x03,
	&priv->io_dmabuf->bits8, sizeof(val), HZ / 2);

	mutex_unlock(&priv->io_mutex);
	}

	static inline void rtl818x_iowrite8(struct rtl8187_priv priv, u8 addr, u8 val)
	{
	rtl818x_iowrite8_idx(priv, addr, val, 0);
	}

	static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
	__le16 *addr, u16 val, u8 idx)
	{
	mutex_lock(&priv->io_mutex);

	priv->io_dmabuf->bits16 = cpu_to_le16(val);
	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
	RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
	(unsigned long)addr, idx & 0x03,
	&priv->io_dmabuf->bits16, sizeof(val), HZ / 2);

	mutex_unlock(&priv->io_mutex);
	}

	static inline void rtl818x_iowrite16(struct rtl8187_priv priv, __le16 addr,
	u16 val)
	{
	rtl818x_iowrite16_idx(priv, addr, val, 0);
	}

	static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
	__le32 *addr, u32 val, u8 idx)
	{
	mutex_lock(&priv->io_mutex);

	priv->io_dmabuf->bits32 = cpu_to_le32(val);
	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
	RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
	(unsigned long)addr, idx & 0x03,
	&priv->io_dmabuf->bits32, sizeof(val), HZ / 2);

	mutex_unlock(&priv->io_mutex);
	}

	static inline void rtl818x_iowrite32(struct rtl8187_priv priv, __le32 addr,
	u32 val)
	{
	rtl818x_iowrite32_idx(priv, addr, val, 0);
	}

	#endif /* RTL8187_H */