Merge commit 'linus/master' into merge-linus

Conflicts:

	arch/x86/kvm/i8254.c

1 files changed, 514 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas_tf/libertas_tf.h b/drivers/net/wireless/libertas_tf/libertas_tf.h
new file mode 100644
index 000000000000..8995cd7c29bf
--- /dev/null
+++ b/drivers/net/wireless/libertas_tf/libertas_tf.h
@@ -0,0 +1,514 @@
+/*
+ *  Copyright (C) 2008, cozybit Inc.
+ *  Copyright (C) 2007, Red Hat, Inc.
+ *  Copyright (C) 2003-2006, Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or (at
+ *  your option) any later version.
+ */
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/kthread.h>
+#include <net/mac80211.h>
+
+#ifndef DRV_NAME
+#define DRV_NAME "libertas_tf"
+#endif
+
+#define	MRVL_DEFAULT_RETRIES			9
+#define MRVL_PER_PACKET_RATE			0x10
+#define MRVL_MAX_BCN_SIZE			440
+#define CMD_OPTION_WAITFORRSP			0x0002
+
+/* Return command are almost always the same as the host command, but with
+ * bit 15 set high.  There are a few exceptions, though...
+ */
+#define CMD_RET(cmd)			(0x8000 | cmd)
+
+/* Command codes */
+#define CMD_GET_HW_SPEC				0x0003
+#define CMD_802_11_RESET			0x0005
+#define CMD_MAC_MULTICAST_ADR			0x0010
+#define CMD_802_11_RADIO_CONTROL		0x001c
+#define CMD_802_11_RF_CHANNEL			0x001d
+#define CMD_802_11_RF_TX_POWER			0x001e
+#define CMD_MAC_CONTROL				0x0028
+#define CMD_802_11_MAC_ADDRESS			0x004d
+#define	CMD_SET_BOOT2_VER			0x00a5
+#define CMD_802_11_BEACON_CTRL			0x00b0
+#define CMD_802_11_BEACON_SET			0x00cb
+#define CMD_802_11_SET_MODE			0x00cc
+#define CMD_802_11_SET_BSSID			0x00cd
+
+#define CMD_ACT_GET			0x0000
+#define CMD_ACT_SET			0x0001
+
+/* Define action or option for CMD_802_11_RESET */
+#define CMD_ACT_HALT			0x0003
+
+/* Define action or option for CMD_MAC_CONTROL */
+#define CMD_ACT_MAC_RX_ON			0x0001
+#define CMD_ACT_MAC_TX_ON			0x0002
+#define CMD_ACT_MAC_MULTICAST_ENABLE		0x0020
+#define CMD_ACT_MAC_BROADCAST_ENABLE		0x0040
+#define CMD_ACT_MAC_PROMISCUOUS_ENABLE		0x0080
+#define CMD_ACT_MAC_ALL_MULTICAST_ENABLE	0x0100
+
+/* Define action or option for CMD_802_11_RADIO_CONTROL */
+#define CMD_TYPE_AUTO_PREAMBLE		0x0001
+#define CMD_TYPE_SHORT_PREAMBLE		0x0002
+#define CMD_TYPE_LONG_PREAMBLE		0x0003
+
+#define TURN_ON_RF			0x01
+#define RADIO_ON			0x01
+#define RADIO_OFF			0x00
+
+#define SET_AUTO_PREAMBLE		0x05
+#define SET_SHORT_PREAMBLE		0x03
+#define SET_LONG_PREAMBLE		0x01
+
+/* Define action or option for CMD_802_11_RF_CHANNEL */
+#define CMD_OPT_802_11_RF_CHANNEL_GET	0x00
+#define CMD_OPT_802_11_RF_CHANNEL_SET	0x01
+
+/* Codes for CMD_802_11_SET_MODE */
+enum lbtf_mode {
+	LBTF_PASSIVE_MODE,
+	LBTF_STA_MODE,
+	LBTF_AP_MODE,
+};
+
+/** Card Event definition */
+#define MACREG_INT_CODE_FIRMWARE_READY		48
+/** Buffer Constants */
+
+/*	The size of SQ memory PPA, DPA are 8 DWORDs, that keep the physical
+*	addresses of TxPD buffers. Station has only 8 TxPD available, Whereas
+*	driver has more local TxPDs. Each TxPD on the host memory is associated
+*	with a Tx control node. The driver maintains 8 RxPD descriptors for
+*	station firmware to store Rx packet information.
+*
+*	Current version of MAC has a 32x6 multicast address buffer.
+*
+*	802.11b can have up to  14 channels, the driver keeps the
+*	BSSID(MAC address) of each APs or Ad hoc stations it has sensed.
+*/
+
+#define MRVDRV_MAX_MULTICAST_LIST_SIZE	32
+#define LBS_NUM_CMD_BUFFERS             10
+#define LBS_CMD_BUFFER_SIZE             (2 * 1024)
+#define MRVDRV_MAX_CHANNEL_SIZE		14
+#define MRVDRV_SNAP_HEADER_LEN          8
+
+#define	LBS_UPLD_SIZE			2312
+#define DEV_NAME_LEN			32
+
+/** Misc constants */
+/* This section defines 802.11 specific contants */
+
+#define MRVDRV_MAX_REGION_CODE			6
+/**
+ * the table to keep region code
+ */
+#define LBTF_REGDOMAIN_US	0x10
+#define LBTF_REGDOMAIN_CA	0x20
+#define LBTF_REGDOMAIN_EU	0x30
+#define LBTF_REGDOMAIN_SP	0x31
+#define LBTF_REGDOMAIN_FR	0x32
+#define LBTF_REGDOMAIN_JP	0x40
+
+#define SBI_EVENT_CAUSE_SHIFT		3
+
+/** RxPD status */
+
+#define MRVDRV_RXPD_STATUS_OK                0x0001
+
+
+/* This is for firmware specific length */
+#define EXTRA_LEN	36
+
+#define MRVDRV_ETH_TX_PACKET_BUFFER_SIZE \
+	(ETH_FRAME_LEN + sizeof(struct txpd) + EXTRA_LEN)
+
+#define MRVDRV_ETH_RX_PACKET_BUFFER_SIZE \
+	(ETH_FRAME_LEN + sizeof(struct rxpd) \
+	 + MRVDRV_SNAP_HEADER_LEN + EXTRA_LEN)
+
+#define	CMD_F_HOSTCMD		(1 << 0)
+#define FW_CAPINFO_WPA  	(1 << 0)
+
+#define RF_ANTENNA_1		0x1
+#define RF_ANTENNA_2		0x2
+#define RF_ANTENNA_AUTO		0xFFFF
+
+#define LBTF_EVENT_BCN_SENT	55
+
+/** Global Variable Declaration */
+/** mv_ms_type */
+enum mv_ms_type {
+	MVMS_DAT = 0,
+	MVMS_CMD = 1,
+	MVMS_TXDONE = 2,
+	MVMS_EVENT
+};
+
+extern struct workqueue_struct *lbtf_wq;
+
+struct lbtf_private;
+
+struct lbtf_offset_value {
+	u32 offset;
+	u32 value;
+};
+
+struct channel_range {
+	u8 regdomain;
+	u8 start;
+	u8 end; /* exclusive (channel must be less than end) */
+};
+
+struct if_usb_card;
+
+/** Private structure for the MV device */
+struct lbtf_private {
+	void *card;
+	struct ieee80211_hw *hw;
+
+	/* Command response buffer */
+	u8 cmd_resp_buff[LBS_UPLD_SIZE];
+	/* Download sent:
+	   bit0 1/0=data_sent/data_tx_done,
+	   bit1 1/0=cmd_sent/cmd_tx_done,
+	   all other bits reserved 0 */
+	struct ieee80211_vif *vif;
+
+	struct work_struct cmd_work;
+	struct work_struct tx_work;
+	/** Hardware access */
+	int (*hw_host_to_card) (struct lbtf_private *priv, u8 type, u8 *payload, u16 nb);
+	int (*hw_prog_firmware) (struct if_usb_card *cardp);
+	int (*hw_reset_device) (struct if_usb_card *cardp);
+
+
+	/** Wlan adapter data structure*/
+	/** STATUS variables */
+	u32 fwrelease;
+	u32 fwcapinfo;
+	/* protected with big lock */
+
+	struct mutex lock;
+
+	/** command-related variables */
+	u16 seqnum;
+	/* protected by big lock */
+
+	struct cmd_ctrl_node *cmd_array;
+	/** Current command */
+	struct cmd_ctrl_node *cur_cmd;
+	/** command Queues */
+	/** Free command buffers */
+	struct list_head cmdfreeq;
+	/** Pending command buffers */
+	struct list_head cmdpendingq;
+
+	/** spin locks */
+	spinlock_t driver_lock;
+
+	/** Timers */
+	struct timer_list command_timer;
+	int nr_retries;
+	int cmd_timed_out;
+
+	u8 cmd_response_rxed;
+
+	/** capability Info used in Association, start, join */
+	u16 capability;
+
+	/** MAC address information */
+	u8 current_addr[ETH_ALEN];
+	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
+	u32 nr_of_multicastmacaddr;
+	int cur_freq;
+
+	struct sk_buff *skb_to_tx;
+	struct sk_buff *tx_skb;
+
+	/** NIC Operation characteristics */
+	u16 mac_control;
+	u16 regioncode;
+	struct channel_range range;
+
+	u8 radioon;
+	u32 preamble;
+
+	struct ieee80211_channel channels[14];
+	struct ieee80211_rate rates[12];
+	struct ieee80211_supported_band band;
+	struct lbtf_offset_value offsetvalue;
+
+	u8 fw_ready;
+	u8 surpriseremoved;
+	struct sk_buff_head bc_ps_buf;
+};
+
+/* 802.11-related definitions */
+
+/* TxPD descriptor */
+struct txpd {
+	/* Current Tx packet status */
+	__le32 tx_status;
+	/* Tx control */
+	__le32 tx_control;
+	__le32 tx_packet_location;
+	/* Tx packet length */
+	__le16 tx_packet_length;
+	/* First 2 byte of destination MAC address */
+	u8 tx_dest_addr_high[2];
+	/* Last 4 byte of destination MAC address */
+	u8 tx_dest_addr_low[4];
+	/* Pkt Priority */
+	u8 priority;
+	/* Pkt Trasnit Power control */
+	u8 powermgmt;
+	/* Time the packet has been queued in the driver (units = 2ms) */
+	u8 pktdelay_2ms;
+	/* reserved */
+	u8 reserved1;
+};
+
+/* RxPD Descriptor */
+struct rxpd {
+	/* Current Rx packet status */
+	__le16 status;
+
+	/* SNR */
+	u8 snr;
+
+	/* Tx control */
+	u8 rx_control;
+
+	/* Pkt length */
+	__le16 pkt_len;
+
+	/* Noise Floor */
+	u8 nf;
+
+	/* Rx Packet Rate */
+	u8 rx_rate;
+
+	/* Pkt addr */
+	__le32 pkt_ptr;
+
+	/* Next Rx RxPD addr */
+	__le32 next_rxpd_ptr;
+
+	/* Pkt Priority */
+	u8 priority;
+	u8 reserved[3];
+};
+
+struct cmd_header {
+	__le16 command;
+	__le16 size;
+	__le16 seqnum;
+	__le16 result;
+} __attribute__ ((packed));
+
+struct cmd_ctrl_node {
+	struct list_head list;
+	int result;
+	/* command response */
+	int (*callback)(struct lbtf_private *,
+			unsigned long, struct cmd_header *);
+	unsigned long callback_arg;
+	/* command data */
+	struct cmd_header *cmdbuf;
+	/* wait queue */
+	u16 cmdwaitqwoken;
+	wait_queue_head_t cmdwait_q;
+};
+
+/*
+ * Define data structure for CMD_GET_HW_SPEC
+ * This structure defines the response for the GET_HW_SPEC command
+ */
+struct cmd_ds_get_hw_spec {
+	struct cmd_header hdr;
+
+	/* HW Interface version number */
+	__le16 hwifversion;
+	/* HW version number */
+	__le16 version;
+	/* Max number of TxPD FW can handle */
+	__le16 nr_txpd;
+	/* Max no of Multicast address */
+	__le16 nr_mcast_adr;
+	/* MAC address */
+	u8 permanentaddr[6];
+
+	/* region Code */
+	__le16 regioncode;
+
+	/* Number of antenna used */
+	__le16 nr_antenna;
+
+	/* FW release number, example 0x01030304 = 2.3.4p1 */
+	__le32 fwrelease;
+
+	/* Base Address of TxPD queue */
+	__le32 wcb_base;
+	/* Read Pointer of RxPd queue */
+	__le32 rxpd_rdptr;
+
+	/* Write Pointer of RxPd queue */
+	__le32 rxpd_wrptr;
+
+	/*FW/HW capability */
+	__le32 fwcapinfo;
+} __attribute__ ((packed));
+
+struct cmd_ds_mac_control {
+	struct cmd_header hdr;
+	__le16 action;
+	u16 reserved;
+};
+
+struct cmd_ds_802_11_mac_address {
+	struct cmd_header hdr;
+
+	__le16 action;
+	uint8_t macadd[ETH_ALEN];
+};
+
+struct cmd_ds_mac_multicast_addr {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 nr_of_adrs;
+	u8 maclist[ETH_ALEN * MRVDRV_MAX_MULTICAST_LIST_SIZE];
+};
+
+struct cmd_ds_set_mode {
+	struct cmd_header hdr;
+
+	__le16 mode;
+};
+
+struct cmd_ds_set_bssid {
+	struct cmd_header hdr;
+
+	u8 bssid[6];
+	u8 activate;
+};
+
+struct cmd_ds_802_11_radio_control {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 control;
+};
+
+
+struct cmd_ds_802_11_rf_channel {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 channel;
+	__le16 rftype;      /* unused */
+	__le16 reserved;    /* unused */
+	u8 channellist[32]; /* unused */
+};
+
+struct cmd_ds_set_boot2_ver {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 version;
+};
+
+struct cmd_ds_802_11_reset {
+	struct cmd_header hdr;
+
+	__le16 action;
+};
+
+struct cmd_ds_802_11_beacon_control {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 beacon_enable;
+	__le16 beacon_period;
+};
+
+struct cmd_ds_802_11_beacon_set {
+	struct cmd_header hdr;
+
+	__le16 len;
+	u8 beacon[MRVL_MAX_BCN_SIZE];
+};
+
+struct lbtf_private;
+struct cmd_ctrl_node;
+
+/** Function Prototype Declaration */
+void lbtf_set_mac_control(struct lbtf_private *priv);
+
+int lbtf_free_cmd_buffer(struct lbtf_private *priv);
+
+int lbtf_allocate_cmd_buffer(struct lbtf_private *priv);
+int lbtf_execute_next_command(struct lbtf_private *priv);
+int lbtf_set_radio_control(struct lbtf_private *priv);
+int lbtf_update_hw_spec(struct lbtf_private *priv);
+int lbtf_cmd_set_mac_multicast_addr(struct lbtf_private *priv);
+void lbtf_set_mode(struct lbtf_private *priv, enum lbtf_mode mode);
+void lbtf_set_bssid(struct lbtf_private *priv, bool activate, u8 *bssid);
+int lbtf_set_mac_address(struct lbtf_private *priv, uint8_t *mac_addr);
+
+int lbtf_set_channel(struct lbtf_private *priv, u8 channel);
+
+int lbtf_beacon_set(struct lbtf_private *priv, struct sk_buff *beacon);
+int lbtf_beacon_ctrl(struct lbtf_private *priv, bool beacon_enable,
+		     int beacon_int);
+
+
+int lbtf_process_rx_command(struct lbtf_private *priv);
+void lbtf_complete_command(struct lbtf_private *priv, struct cmd_ctrl_node *cmd,
+			  int result);
+void lbtf_cmd_response_rx(struct lbtf_private *priv);
+
+/* main.c */
+struct chan_freq_power *lbtf_get_region_cfp_table(u8 region,
+	int *cfp_no);
+struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev);
+int lbtf_remove_card(struct lbtf_private *priv);
+int lbtf_start_card(struct lbtf_private *priv);
+int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb);
+void lbtf_send_tx_feedback(struct lbtf_private *priv, u8 retrycnt, u8 fail);
+void lbtf_bcn_sent(struct lbtf_private *priv);
+
+/* support functions for cmd.c */
+/* lbtf_cmd() infers the size of the buffer to copy data back into, from
+   the size of the target of the pointer. Since the command to be sent
+   may often be smaller, that size is set in cmd->size by the caller.*/
+#define lbtf_cmd(priv, cmdnr, cmd, cb, cb_arg)	({		\
+	uint16_t __sz = le16_to_cpu((cmd)->hdr.size);		\
+	(cmd)->hdr.size = cpu_to_le16(sizeof(*(cmd)));		\
+	__lbtf_cmd(priv, cmdnr, &(cmd)->hdr, __sz, cb, cb_arg);	\
+})
+
+#define lbtf_cmd_with_response(priv, cmdnr, cmd)	\
+	lbtf_cmd(priv, cmdnr, cmd, lbtf_cmd_copyback, (unsigned long) (cmd))
+
+void lbtf_cmd_async(struct lbtf_private *priv, uint16_t command,
+	struct cmd_header *in_cmd, int in_cmd_size);
+
+int __lbtf_cmd(struct lbtf_private *priv, uint16_t command,
+	      struct cmd_header *in_cmd, int in_cmd_size,
+	      int (*callback)(struct lbtf_private *, unsigned long,
+			      struct cmd_header *),
+	      unsigned long callback_arg);
+
+int lbtf_cmd_copyback(struct lbtf_private *priv, unsigned long extra,
+		     struct cmd_header *resp);