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/*
* Definitions for RTL8187 hardware
*
* Copyright 2007 Michael Wu <flamingice@sourmilk.net>
* Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
*
* Based on the r8187 driver, which is:
* Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, 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_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;
};
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 */
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