Merge branch 'next' into for-linus

1 files changed, 426 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
new file mode 100644
index 000000000000..9050dd9b62d2
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -0,0 +1,426 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __WL12XX_H__
+#define __WL12XX_H__
+
+#include <linux/mutex.h>
+#include <linux/completion.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/bitops.h>
+#include <net/mac80211.h>
+
+#include "conf.h"
+#include "ini.h"
+
+#define DRIVER_NAME "wl1271"
+#define DRIVER_PREFIX DRIVER_NAME ": "
+
+enum {
+	DEBUG_NONE	= 0,
+	DEBUG_IRQ	= BIT(0),
+	DEBUG_SPI	= BIT(1),
+	DEBUG_BOOT	= BIT(2),
+	DEBUG_MAILBOX	= BIT(3),
+	DEBUG_TESTMODE	= BIT(4),
+	DEBUG_EVENT	= BIT(5),
+	DEBUG_TX	= BIT(6),
+	DEBUG_RX	= BIT(7),
+	DEBUG_SCAN	= BIT(8),
+	DEBUG_CRYPT	= BIT(9),
+	DEBUG_PSM	= BIT(10),
+	DEBUG_MAC80211	= BIT(11),
+	DEBUG_CMD	= BIT(12),
+	DEBUG_ACX	= BIT(13),
+	DEBUG_SDIO	= BIT(14),
+	DEBUG_FILTERS   = BIT(15),
+	DEBUG_ADHOC     = BIT(16),
+	DEBUG_ALL	= ~0,
+};
+
+extern u32 wl12xx_debug_level;
+
+#define DEBUG_DUMP_LIMIT 1024
+
+#define wl1271_error(fmt, arg...) \
+	pr_err(DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
+
+#define wl1271_warning(fmt, arg...) \
+	pr_warning(DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
+
+#define wl1271_notice(fmt, arg...) \
+	pr_info(DRIVER_PREFIX fmt "\n", ##arg)
+
+#define wl1271_info(fmt, arg...) \
+	pr_info(DRIVER_PREFIX fmt "\n", ##arg)
+
+#define wl1271_debug(level, fmt, arg...) \
+	do { \
+		if (level & wl12xx_debug_level) \
+			pr_debug(DRIVER_PREFIX fmt "\n", ##arg); \
+	} while (0)
+
+/* TODO: use pr_debug_hex_dump when it will be available */
+#define wl1271_dump(level, prefix, buf, len)	\
+	do { \
+		if (level & wl12xx_debug_level) \
+			print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
+				       DUMP_PREFIX_OFFSET, 16, 1,	\
+				       buf,				\
+				       min_t(size_t, len, DEBUG_DUMP_LIMIT), \
+				       0);				\
+	} while (0)
+
+#define wl1271_dump_ascii(level, prefix, buf, len)	\
+	do { \
+		if (level & wl12xx_debug_level) \
+			print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
+				       DUMP_PREFIX_OFFSET, 16, 1,	\
+				       buf,				\
+				       min_t(size_t, len, DEBUG_DUMP_LIMIT), \
+				       true);				\
+	} while (0)
+
+#define WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |	\
+				  CFG_BSSID_FILTER_EN | \
+				  CFG_MC_FILTER_EN)
+
+#define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK | CFG_RX_PRSP_EN |  \
+				  CFG_RX_MGMT_EN | CFG_RX_DATA_EN |   \
+				  CFG_RX_CTL_EN | CFG_RX_BCN_EN |     \
+				  CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN)
+
+#define WL1271_FW_NAME "wl1271-fw.bin"
+#define WL1271_NVS_NAME "wl1271-nvs.bin"
+
+#define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff))
+#define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff))
+
+#define WL1271_CIPHER_SUITE_GEM 0x00147201
+
+#define WL1271_BUSY_WORD_CNT 1
+#define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
+
+#define WL1271_ELP_HW_STATE_ASLEEP 0
+#define WL1271_ELP_HW_STATE_IRQ    1
+
+#define WL1271_DEFAULT_BEACON_INT  100
+#define WL1271_DEFAULT_DTIM_PERIOD 1
+
+#define ACX_TX_DESCRIPTORS         32
+
+#define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
+
+enum wl1271_state {
+	WL1271_STATE_OFF,
+	WL1271_STATE_ON,
+	WL1271_STATE_PLT,
+};
+
+enum wl1271_partition_type {
+	PART_DOWN,
+	PART_WORK,
+	PART_DRPW,
+
+	PART_TABLE_LEN
+};
+
+struct wl1271_partition {
+	u32 size;
+	u32 start;
+};
+
+struct wl1271_partition_set {
+	struct wl1271_partition mem;
+	struct wl1271_partition reg;
+	struct wl1271_partition mem2;
+	struct wl1271_partition mem3;
+};
+
+struct wl1271;
+
+/* FIXME: I'm not sure about this structure name */
+struct wl1271_chip {
+	u32 id;
+	char fw_ver[21];
+};
+
+struct wl1271_stats {
+	struct acx_statistics *fw_stats;
+	unsigned long fw_stats_update;
+
+	unsigned int retry_count;
+	unsigned int excessive_retries;
+};
+
+#define NUM_TX_QUEUES              4
+#define NUM_RX_PKT_DESC            8
+
+/* FW status registers */
+struct wl1271_fw_status {
+	__le32 intr;
+	u8  fw_rx_counter;
+	u8  drv_rx_counter;
+	u8  reserved;
+	u8  tx_results_counter;
+	__le32 rx_pkt_descs[NUM_RX_PKT_DESC];
+	__le32 tx_released_blks[NUM_TX_QUEUES];
+	__le32 fw_localtime;
+	__le32 padding[2];
+} __packed;
+
+struct wl1271_rx_mem_pool_addr {
+	u32 addr;
+	u32 addr_extra;
+};
+
+struct wl1271_scan {
+	struct cfg80211_scan_request *req;
+	bool *scanned_ch;
+	bool failed;
+	u8 state;
+	u8 ssid[IW_ESSID_MAX_SIZE+1];
+	size_t ssid_len;
+};
+
+struct wl1271_if_operations {
+	void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len,
+		     bool fixed);
+	void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len,
+		     bool fixed);
+	void (*reset)(struct wl1271 *wl);
+	void (*init)(struct wl1271 *wl);
+	int (*power)(struct wl1271 *wl, bool enable);
+	struct device* (*dev)(struct wl1271 *wl);
+	void (*enable_irq)(struct wl1271 *wl);
+	void (*disable_irq)(struct wl1271 *wl);
+};
+
+struct wl1271 {
+	struct platform_device *plat_dev;
+	struct ieee80211_hw *hw;
+	bool mac80211_registered;
+
+	void *if_priv;
+
+	struct wl1271_if_operations *if_ops;
+
+	void (*set_power)(bool enable);
+	int irq;
+	int ref_clock;
+
+	spinlock_t wl_lock;
+
+	enum wl1271_state state;
+	struct mutex mutex;
+
+#define WL1271_FLAG_STA_RATES_CHANGED  (0)
+#define WL1271_FLAG_STA_ASSOCIATED     (1)
+#define WL1271_FLAG_JOINED             (2)
+#define WL1271_FLAG_GPIO_POWER         (3)
+#define WL1271_FLAG_TX_QUEUE_STOPPED   (4)
+#define WL1271_FLAG_IN_ELP             (5)
+#define WL1271_FLAG_PSM                (6)
+#define WL1271_FLAG_PSM_REQUESTED      (7)
+#define WL1271_FLAG_IRQ_PENDING        (8)
+#define WL1271_FLAG_IRQ_RUNNING        (9)
+#define WL1271_FLAG_IDLE              (10)
+#define WL1271_FLAG_IDLE_REQUESTED    (11)
+#define WL1271_FLAG_PSPOLL_FAILURE    (12)
+#define WL1271_FLAG_STA_STATE_SENT    (13)
+#define WL1271_FLAG_FW_TX_BUSY        (14)
+	unsigned long flags;
+
+	struct wl1271_partition_set part;
+
+	struct wl1271_chip chip;
+
+	int cmd_box_addr;
+	int event_box_addr;
+
+	u8 *fw;
+	size_t fw_len;
+	struct wl1271_nvs_file *nvs;
+	size_t nvs_len;
+
+	s8 hw_pg_ver;
+
+	u8 bssid[ETH_ALEN];
+	u8 mac_addr[ETH_ALEN];
+	u8 bss_type;
+	u8 set_bss_type;
+	u8 ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 ssid_len;
+	int channel;
+
+	struct wl1271_acx_mem_map *target_mem_map;
+
+	/* Accounting for allocated / available TX blocks on HW */
+	u32 tx_blocks_freed[NUM_TX_QUEUES];
+	u32 tx_blocks_available;
+	u32 tx_results_count;
+
+	/* Transmitted TX packets counter for chipset interface */
+	u32 tx_packets_count;
+
+	/* Time-offset between host and chipset clocks */
+	s64 time_offset;
+
+	/* Session counter for the chipset */
+	int session_counter;
+
+	/* Frames scheduled for transmission, not handled yet */
+	struct sk_buff_head tx_queue[NUM_TX_QUEUES];
+	int tx_queue_count;
+
+	struct work_struct tx_work;
+
+	/* Pending TX frames */
+	unsigned long tx_frames_map[BITS_TO_LONGS(ACX_TX_DESCRIPTORS)];
+	struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
+	int tx_frames_cnt;
+
+	/* Security sequence number counters */
+	u8 tx_security_last_seq;
+	s64 tx_security_seq;
+
+	/* FW Rx counter */
+	u32 rx_counter;
+
+	/* Rx memory pool address */
+	struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;
+
+	/* Intermediate buffer, used for packet aggregation */
+	u8 *aggr_buf;
+
+	/* The target interrupt mask */
+	struct work_struct irq_work;
+
+	/* Hardware recovery work */
+	struct work_struct recovery_work;
+
+	/* The mbox event mask */
+	u32 event_mask;
+
+	/* Mailbox pointers */
+	u32 mbox_ptr[2];
+
+	/* Are we currently scanning */
+	struct wl1271_scan scan;
+	struct delayed_work scan_complete_work;
+
+	/* probe-req template for the current AP */
+	struct sk_buff *probereq;
+
+	/* Our association ID */
+	u16 aid;
+
+	/*
+	 * currently configured rate set:
+	 *	bits  0-15 - 802.11abg rates
+	 *	bits 16-23 - 802.11n   MCS index mask
+	 * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
+	 */
+	u32 sta_rate_set;
+	u32 basic_rate_set;
+	u32 basic_rate;
+	u32 rate_set;
+
+	/* The current band */
+	enum ieee80211_band band;
+
+	/* Beaconing interval (needed for ad-hoc) */
+	u32 beacon_int;
+
+	/* Default key (for WEP) */
+	u32 default_key;
+
+	unsigned int filters;
+	unsigned int rx_config;
+	unsigned int rx_filter;
+
+	struct completion *elp_compl;
+	struct delayed_work elp_work;
+	struct delayed_work pspoll_work;
+
+	/* counter for ps-poll delivery failures */
+	int ps_poll_failures;
+
+	/* retry counter for PSM entries */
+	u8 psm_entry_retry;
+
+	/* in dBm */
+	int power_level;
+
+	int rssi_thold;
+	int last_rssi_event;
+
+	struct wl1271_stats stats;
+	struct dentry *rootdir;
+
+	__le32 buffer_32;
+	u32 buffer_cmd;
+	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
+
+	struct wl1271_fw_status *fw_status;
+	struct wl1271_tx_hw_res_if *tx_res_if;
+
+	struct ieee80211_vif *vif;
+
+	/* Current chipset configuration */
+	struct conf_drv_settings conf;
+
+	bool sg_enabled;
+
+	bool enable_11a;
+
+	struct list_head list;
+
+	/* Most recently reported noise in dBm */
+	s8 noise;
+};
+
+int wl1271_plt_start(struct wl1271 *wl);
+int wl1271_plt_stop(struct wl1271 *wl);
+
+#define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
+
+#define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */
+
+#define WL1271_DEFAULT_POWER_LEVEL 0
+
+#define WL1271_TX_QUEUE_LOW_WATERMARK  10
+#define WL1271_TX_QUEUE_HIGH_WATERMARK 25
+
+/* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
+   on in case is has been shut down shortly before */
+#define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
+#define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
+
+/* Macros to handle wl1271.sta_rate_set */
+#define HW_BG_RATES_MASK	0xffff
+#define HW_HT_RATES_OFFSET	16
+
+#endif