tristate "Intel Wireless Wifi Core"
depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
+config IWLWIFI_LEDS
+ bool "Enable LEDS features in iwlwifi driver"
+ depends on IWLCORE && MAC80211_LEDS && LEDS_CLASS
+ ---help---
+ This option enables LEDS for the iwlwifi drivers
+
+
config IWL4965
tristate "Intel Wireless WiFi 4965AGN"
depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
This option enables IEEE 802.11n High Throughput features
for the iwl4965 driver.
+config IWL4965_LEDS
+ bool "Enable LEDS features in iwl4965 driver"
+ depends on IWL4965 && IWLWIFI_LEDS
+ ---help---
+ This option enables LEDS for the iwlwifi drivers
+
+
config IWL4965_SPECTRUM_MEASUREMENT
bool "Enable Spectrum Measurement in iwl4965 driver"
depends on IWL4965
---help---
This option will enable spectrum measurement for the iwl3945 driver.
+config IWL3945_LEDS
+ bool "Enable LEDS features in iwl3945 driver"
+ depends on IWL3945 && MAC80211_LEDS && LEDS_CLASS
+ ---help---
+ This option enables LEDS for the iwl3945 driver.
+
config IWL3945_DEBUG
bool "Enable full debugging output in iwl3945 driver"
depends on IWL3945
iwlcore-objs += iwl-debugfs.o
endif
+ifeq ($(CONFIG_IWLWIFI_LEDS),y)
+ iwlcore-objs += iwl-led.o
+endif
+
obj-$(CONFIG_IWL3945) += iwl3945.o
iwl3945-objs = iwl3945-base.o iwl-3945.o iwl-3945-rs.o
+ifeq ($(CONFIG_IWL3945_LEDS),y)
+ iwl3945-objs += iwl-3945-led.o
+endif
+
+
obj-$(CONFIG_IWL4965) += iwl4965.o
iwl4965-objs = iwl4965-base.o iwl-4965.o iwl-4965-rs.o
+
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include <asm/unaligned.h>
+
+#include "iwl-3945.h"
+#include "iwl-helpers.h"
+
+#define IWL_1MB_RATE (128 * 1024)
+#define IWL_LED_THRESHOLD (16)
+#define IWL_MAX_BLINK_TBL (10)
+
+static const struct {
+ u16 brightness;
+ u8 on_time;
+ u8 of_time;
+} blink_tbl[] =
+{
+ {300, 25, 25},
+ {200, 40, 40},
+ {100, 55, 55},
+ {70, 65, 65},
+ {50, 75, 75},
+ {20, 85, 85},
+ {15, 95, 95 },
+ {10, 110, 110},
+ {5, 130, 130},
+ {0, 167, 167}
+};
+
+static int iwl3945_led_cmd_callback(struct iwl3945_priv *priv,
+ struct iwl3945_cmd *cmd,
+ struct sk_buff *skb)
+{
+ return 1;
+}
+
+
+/* Send led command */
+static int iwl_send_led_cmd(struct iwl3945_priv *priv,
+ struct iwl3945_led_cmd *led_cmd)
+{
+ struct iwl3945_host_cmd cmd = {
+ .id = REPLY_LEDS_CMD,
+ .len = sizeof(struct iwl3945_led_cmd),
+ .data = led_cmd,
+ .meta.flags = CMD_ASYNC,
+ .meta.u.callback = iwl3945_led_cmd_callback
+ };
+
+ return iwl3945_send_cmd(priv, &cmd);
+}
+
+
+/* Set led on command */
+static int iwl3945_led_on(struct iwl3945_priv *priv, int led_id)
+{
+ struct iwl3945_led_cmd led_cmd = {
+ .id = led_id,
+ .on = IWL_LED_SOLID,
+ .off = 0,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+/* Set led on command */
+static int iwl3945_led_pattern(struct iwl3945_priv *priv, int led_id,
+ enum led_brightness brightness)
+{
+ struct iwl3945_led_cmd led_cmd = {
+ .id = led_id,
+ .on = brightness,
+ .off = brightness,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+ if (brightness == LED_FULL) {
+ led_cmd.on = IWL_LED_SOLID;
+ led_cmd.off = 0;
+ }
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+/* Set led register off */
+static int iwl3945_led_on_reg(struct iwl3945_priv *priv, int led_id)
+{
+ IWL_DEBUG_LED("led on %d\n", led_id);
+ return iwl3945_led_on(priv, led_id);
+}
+
+/* Set led off command */
+static int iwl3945_led_off(struct iwl3945_priv *priv, int led_id)
+{
+ struct iwl3945_led_cmd led_cmd = {
+ .id = led_id,
+ .on = 0,
+ .off = 0,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+ IWL_DEBUG_LED("led off %d\n", led_id);
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+/* Set led register off */
+static int iwl3945_led_off_reg(struct iwl3945_priv *priv, int led_id)
+{
+ iwl3945_led_off(priv, led_id);
+ return 0;
+}
+
+/* Set led blink command */
+static int iwl3945_led_not_solid(struct iwl3945_priv *priv, int led_id,
+ u8 brightness)
+{
+ struct iwl3945_led_cmd led_cmd = {
+ .id = led_id,
+ .on = brightness,
+ .off = brightness,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+
+/*
+ * brightness call back function for Tx/Rx LED
+ */
+static int iwl3945_led_associated(struct iwl3945_priv *priv, int led_id)
+{
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+ !test_bit(STATUS_READY, &priv->status))
+ return 0;
+
+
+ /* start counting Tx/Rx bytes */
+ if (!priv->last_blink_time && priv->allow_blinking)
+ priv->last_blink_time = jiffies;
+ return 0;
+}
+
+/*
+ * brightness call back for association and radio
+ */
+static void iwl3945_led_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct iwl3945_led *led = container_of(led_cdev,
+ struct iwl3945_led, led_dev);
+ struct iwl3945_priv *priv = led->priv;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ switch (brightness) {
+ case LED_FULL:
+ if (led->type == IWL_LED_TRG_ASSOC) {
+ priv->allow_blinking = 1;
+ IWL_DEBUG_LED("MAC is associated\n");
+ }
+ if (led->led_on)
+ led->led_on(priv, IWL_LED_LINK);
+ break;
+ case LED_OFF:
+ if (led->type == IWL_LED_TRG_ASSOC) {
+ priv->allow_blinking = 0;
+ IWL_DEBUG_LED("MAC is disassociated\n");
+ }
+ if (led->led_off)
+ led->led_off(priv, IWL_LED_LINK);
+ break;
+ default:
+ if (led->led_pattern)
+ led->led_pattern(priv, IWL_LED_LINK, brightness);
+ break;
+ }
+}
+
+
+
+/*
+ * Register led class with the system
+ */
+static int iwl3945_led_register_led(struct iwl3945_priv *priv,
+ struct iwl3945_led *led,
+ enum led_type type, u8 set_led,
+ const char *name, char *trigger)
+{
+ struct device *device = wiphy_dev(priv->hw->wiphy);
+ int ret;
+
+ led->led_dev.name = name;
+ led->led_dev.brightness_set = iwl3945_led_brightness_set;
+ led->led_dev.default_trigger = trigger;
+
+ ret = led_classdev_register(device, &led->led_dev);
+ if (ret) {
+ IWL_ERROR("Error: failed to register led handler.\n");
+ return ret;
+ }
+
+ led->priv = priv;
+ led->type = type;
+ led->registered = 1;
+
+ if (set_led && led->led_on)
+ led->led_on(priv, IWL_LED_LINK);
+ return 0;
+}
+
+
+/*
+ * calculate blink rate according to last 2 sec Tx/Rx activities
+ */
+static inline u8 get_blink_rate(struct iwl3945_priv *priv)
+{
+ int index;
+ u8 blink_rate;
+
+ if (priv->rxtxpackets < IWL_LED_THRESHOLD)
+ index = 10;
+ else {
+ for (index = 0; index < IWL_MAX_BLINK_TBL; index++) {
+ if (priv->rxtxpackets > (blink_tbl[index].brightness *
+ IWL_1MB_RATE))
+ break;
+ }
+ }
+ /* if 0 frame is transfered */
+ if ((index == IWL_MAX_BLINK_TBL) || !priv->allow_blinking)
+ blink_rate = IWL_LED_SOLID;
+ else
+ blink_rate = blink_tbl[index].on_time;
+
+ return blink_rate;
+}
+
+static inline int is_rf_kill(struct iwl3945_priv *priv)
+{
+ return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
+ test_bit(STATUS_RF_KILL_SW, &priv->status);
+}
+
+/*
+ * this function called from handler. Since setting Led command can
+ * happen very frequent we postpone led command to be called from
+ * REPLY handler so we know ucode is up
+ */
+void iwl3945_led_background(struct iwl3945_priv *priv)
+{
+ u8 blink_rate;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ priv->last_blink_time = 0;
+ return;
+ }
+ if (is_rf_kill(priv)) {
+ priv->last_blink_time = 0;
+ return;
+ }
+
+ if (!priv->allow_blinking) {
+ priv->last_blink_time = 0;
+ if (priv->last_blink_rate != IWL_LED_SOLID) {
+ priv->last_blink_rate = IWL_LED_SOLID;
+ iwl3945_led_on(priv, IWL_LED_LINK);
+ }
+ return;
+ }
+ if (!priv->last_blink_time ||
+ !time_after(jiffies, priv->last_blink_time +
+ msecs_to_jiffies(1000)))
+ return;
+
+ blink_rate = get_blink_rate(priv);
+
+ /* call only if blink rate change */
+ if (blink_rate != priv->last_blink_rate) {
+ if (blink_rate != IWL_LED_SOLID) {
+ priv->last_blink_time = jiffies +
+ msecs_to_jiffies(1000);
+ iwl3945_led_not_solid(priv, IWL_LED_LINK, blink_rate);
+ } else {
+ priv->last_blink_time = 0;
+ iwl3945_led_on(priv, IWL_LED_LINK);
+ }
+ }
+
+ priv->last_blink_rate = blink_rate;
+ priv->rxtxpackets = 0;
+}
+
+
+/* Register all led handler */
+int iwl3945_led_register(struct iwl3945_priv *priv)
+{
+ char *trigger;
+ char name[32];
+ int ret;
+
+ priv->last_blink_rate = 0;
+ priv->rxtxpackets = 0;
+ priv->last_blink_time = 0;
+ priv->allow_blinking = 0;
+
+ trigger = ieee80211_get_radio_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:radio",
+ wiphy_name(priv->hw->wiphy));
+
+ priv->led[IWL_LED_TRG_RADIO].led_on = iwl3945_led_on_reg;
+ priv->led[IWL_LED_TRG_RADIO].led_off = iwl3945_led_off_reg;
+ priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;
+
+ ret = iwl3945_led_register_led(priv,
+ &priv->led[IWL_LED_TRG_RADIO],
+ IWL_LED_TRG_RADIO, 1,
+ name, trigger);
+ if (ret)
+ goto exit_fail;
+
+ trigger = ieee80211_get_assoc_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:assoc",
+ wiphy_name(priv->hw->wiphy));
+
+ ret = iwl3945_led_register_led(priv,
+ &priv->led[IWL_LED_TRG_ASSOC],
+ IWL_LED_TRG_ASSOC, 0,
+ name, trigger);
+ /* for assoc always turn led on */
+ priv->led[IWL_LED_TRG_ASSOC].led_on = iwl3945_led_on_reg;
+ priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_on_reg;
+ priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;
+
+ if (ret)
+ goto exit_fail;
+
+ trigger = ieee80211_get_rx_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:RX",
+ wiphy_name(priv->hw->wiphy));
+
+
+ ret = iwl3945_led_register_led(priv,
+ &priv->led[IWL_LED_TRG_RX],
+ IWL_LED_TRG_RX, 0,
+ name, trigger);
+
+ priv->led[IWL_LED_TRG_RX].led_on = iwl3945_led_associated;
+ priv->led[IWL_LED_TRG_RX].led_off = iwl3945_led_associated;
+ priv->led[IWL_LED_TRG_RX].led_pattern = iwl3945_led_pattern;
+
+ if (ret)
+ goto exit_fail;
+
+ trigger = ieee80211_get_tx_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:TX",
+ wiphy_name(priv->hw->wiphy));
+ ret = iwl3945_led_register_led(priv,
+ &priv->led[IWL_LED_TRG_TX],
+ IWL_LED_TRG_TX, 0,
+ name, trigger);
+ priv->led[IWL_LED_TRG_TX].led_on = iwl3945_led_associated;
+ priv->led[IWL_LED_TRG_TX].led_off = iwl3945_led_associated;
+ priv->led[IWL_LED_TRG_TX].led_pattern = iwl3945_led_pattern;
+
+ if (ret)
+ goto exit_fail;
+
+ return 0;
+
+exit_fail:
+ iwl3945_led_unregister(priv);
+ return ret;
+}
+
+
+/* unregister led class */
+static void iwl3945_led_unregister_led(struct iwl3945_led *led, u8 set_led)
+{
+ if (!led->registered)
+ return;
+
+ led_classdev_unregister(&led->led_dev);
+
+ if (set_led)
+ led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+ led->registered = 0;
+}
+
+/* Unregister all led handlers */
+void iwl3945_led_unregister(struct iwl3945_priv *priv)
+{
+ iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0);
+ iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RX], 0);
+ iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_TX], 0);
+ iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1);
+}
+
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#ifndef IWL3945_LEDS_H
+#define IWL3945_LEDS_H
+
+struct iwl3945_priv;
+
+#ifdef CONFIG_IWL3945_LEDS
+#define IWL_LED_SOLID 11
+#define IWL_LED_NAME_LEN 31
+#define IWL_DEF_LED_INTRVL __constant_cpu_to_le32(1000)
+
+#define IWL_LED_ACTIVITY (0<<1)
+#define IWL_LED_LINK (1<<1)
+
+enum led_type {
+ IWL_LED_TRG_TX,
+ IWL_LED_TRG_RX,
+ IWL_LED_TRG_ASSOC,
+ IWL_LED_TRG_RADIO,
+ IWL_LED_TRG_MAX,
+};
+
+#include <linux/leds.h>
+
+struct iwl3945_led {
+ struct iwl3945_priv *priv;
+ struct led_classdev led_dev;
+
+ int (*led_on) (struct iwl3945_priv *priv, int led_id);
+ int (*led_off) (struct iwl3945_priv *priv, int led_id);
+ int (*led_pattern) (struct iwl3945_priv *priv, int led_id,
+ enum led_brightness brightness);
+
+ enum led_type type;
+ unsigned int registered;
+};
+
+extern int iwl3945_led_register(struct iwl3945_priv *priv);
+extern void iwl3945_led_unregister(struct iwl3945_priv *priv);
+extern void iwl3945_led_background(struct iwl3945_priv *priv);
+
+#else
+static inline int iwl3945_led_register(struct iwl3945_priv *priv) { return 0; }
+static inline void iwl3945_led_unregister(struct iwl3945_priv *priv) {}
+static inline void iwl3945_led_background(struct iwl3945_priv *priv) {}
+#endif /* CONFIG_IWL3945_LEDS */
+
+#endif /* IWL3945_LEDS_H */
memcpy(&priv->statistics, pkt->u.raw, sizeof(priv->statistics));
+ iwl3945_led_background(priv);
+
priv->last_statistics_time = jiffies;
}
if (priv->add_radiotap)
iwl3945_add_radiotap(priv, rxb->skb, rx_hdr, stats);
+#ifdef CONFIG_IWL3945_LEDS
+ if (is_data)
+ priv->rxtxpackets += len;
+#endif
ieee80211_rx_irqsafe(priv->hw, rxb->skb, stats);
rxb->skb = NULL;
}
#include "iwl-prph.h"
#include "iwl-3945-hw.h"
#include "iwl-3945-debug.h"
+#include "iwl-3945-led.h"
/* Change firmware file name, using "-" and incrementing number,
* *only* when uCode interface or architecture changes so that it
struct iwl3945_init_alive_resp card_alive_init;
struct iwl3945_alive_resp card_alive;
-#ifdef LED
- /* LED related variables */
- struct iwl3945_activity_blink activity;
- unsigned long led_packets;
- int led_state;
+#ifdef CONFIG_IWL4965_LEDS
+ struct iwl3945_led led[IWL_LED_TRG_MAX];
+ unsigned long last_blink_time;
+ u8 last_blink_rate;
+ u8 allow_blinking;
+ unsigned int rxtxpackets;
#endif
+
u16 active_rate;
u16 active_rate_basic;
#endif
}
+ iwl_leds_background(priv);
+
/* If the hardware hasn't reported a change in
* temperature then don't bother computing a
* calibrated temperature value */
ieee80211_rx_irqsafe(priv->hw, rxb->skb, stats);
priv->alloc_rxb_skb--;
rxb->skb = NULL;
-#ifdef LED
- priv->led_packets += len;
- iwl4965_setup_activity_timer(priv);
-#endif
}
/* Calc max signal level (dBm) among 3 possible receivers */
#include "iwl-csr.h"
#include "iwl-prph.h"
#include "iwl-debug.h"
+#include "iwl-led.h"
/* Change firmware file name, using "-" and incrementing number,
* *only* when uCode interface or architecture changes so that it
struct iwl4965_init_alive_resp card_alive_init;
struct iwl4965_alive_resp card_alive;
-#ifdef LED
- /* LED related variables */
- struct iwl4965_activity_blink activity;
- unsigned long led_packets;
- int led_state;
+#ifdef CONFIG_IWL4965_LEDS
+ struct iwl4965_led led[IWL_LED_TRG_MAX];
+ unsigned long last_blink_time;
+ u8 last_blink_rate;
+ u8 allow_blinking;
+ u64 led_tpt;
#endif
u16 active_rate;
#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c)
#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060)
#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100)
+#define CSR_LED_REG (CSR_BASE+0x094)
/* Analog phase-lock-loop configuration (3945 only)
* Set bit 24. */
#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000)
#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000)
+/* LED */
+#define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF)
+#define CSR_LED_REG_TRUN_ON (0x78)
+#define CSR_LED_REG_TRUN_OFF (0x38)
+
/*=== HBUS (Host-side Bus) ===*/
#define HBUS_BASE (0x400)
/*
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include <asm/unaligned.h>
+
+#include "iwl-4965.h"
+#include "iwl-core.h"
+#include "iwl-helpers.h"
+
+#define IWL_1MB_RATE (128 * 1024)
+#define IWL_LED_THRESHOLD (16)
+#define IWL_MAX_BLINK_TBL (10)
+
+static const struct {
+ u16 tpt;
+ u8 on_time;
+ u8 of_time;
+} blink_tbl[] =
+{
+ {300, 25, 25},
+ {200, 40, 40},
+ {100, 55, 55},
+ {70, 65, 65},
+ {50, 75, 75},
+ {20, 85, 85},
+ {15, 95, 95 },
+ {10, 110, 110},
+ {5, 130, 130},
+ {0, 167, 167}
+};
+
+static int iwl_led_cmd_callback(struct iwl_priv *priv,
+ struct iwl_cmd *cmd, struct sk_buff *skb)
+{
+ return 1;
+}
+
+
+/* Send led command */
+static int iwl_send_led_cmd(struct iwl_priv *priv,
+ struct iwl4965_led_cmd *led_cmd)
+{
+ struct iwl_host_cmd cmd = {
+ .id = REPLY_LEDS_CMD,
+ .len = sizeof(struct iwl4965_led_cmd),
+ .data = led_cmd,
+ .meta.flags = CMD_ASYNC,
+ .meta.u.callback = iwl_led_cmd_callback
+ };
+ u32 reg;
+
+ reg = iwl4965_read32(priv, CSR_LED_REG);
+ if (reg != (reg & CSR_LED_BSM_CTRL_MSK))
+ iwl4965_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK);
+
+ return iwl_send_cmd(priv, &cmd);
+}
+
+
+/* Set led on command */
+static int iwl4965_led_on(struct iwl_priv *priv, int led_id)
+{
+ struct iwl4965_led_cmd led_cmd = {
+ .id = led_id,
+ .on = IWL_LED_SOLID,
+ .off = 0,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+/* Set led on command */
+static int iwl4965_led_pattern(struct iwl_priv *priv, int led_id,
+ enum led_brightness brightness)
+{
+ struct iwl4965_led_cmd led_cmd = {
+ .id = led_id,
+ .on = brightness,
+ .off = brightness,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+ if (brightness == LED_FULL) {
+ led_cmd.on = IWL_LED_SOLID;
+ led_cmd.off = 0;
+ }
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+/* Set led register off */
+static int iwl4965_led_on_reg(struct iwl_priv *priv, int led_id)
+{
+ IWL_DEBUG_LED("led on %d\n", led_id);
+ iwl4965_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON);
+ return 0;
+}
+
+#if 0
+/* Set led off command */
+int iwl4965_led_off(struct iwl_priv *priv, int led_id)
+{
+ struct iwl4965_led_cmd led_cmd = {
+ .id = led_id,
+ .on = 0,
+ .off = 0,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+ IWL_DEBUG_LED("led off %d\n", led_id);
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+#endif
+
+
+/* Set led register off */
+static int iwl4965_led_off_reg(struct iwl_priv *priv, int led_id)
+{
+ IWL_DEBUG_LED("radio off\n");
+ iwl4965_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF);
+ return 0;
+}
+
+/* Set led blink command */
+static int iwl4965_led_not_solid(struct iwl_priv *priv, int led_id,
+ u8 brightness)
+{
+ struct iwl4965_led_cmd led_cmd = {
+ .id = led_id,
+ .on = brightness,
+ .off = brightness,
+ .interval = IWL_DEF_LED_INTRVL
+ };
+
+ return iwl_send_led_cmd(priv, &led_cmd);
+}
+
+
+/*
+ * brightness call back function for Tx/Rx LED
+ */
+static int iwl4965_led_associated(struct iwl_priv *priv, int led_id)
+{
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+ !test_bit(STATUS_READY, &priv->status))
+ return 0;
+
+
+ /* start counting Tx/Rx bytes */
+ if (!priv->last_blink_time && priv->allow_blinking)
+ priv->last_blink_time = jiffies;
+ return 0;
+}
+
+/*
+ * brightness call back for association and radio
+ */
+static void iwl4965_led_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct iwl4965_led *led = container_of(led_cdev,
+ struct iwl4965_led, led_dev);
+ struct iwl_priv *priv = led->priv;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ switch (brightness) {
+ case LED_FULL:
+ if (led->type == IWL_LED_TRG_ASSOC)
+ priv->allow_blinking = 1;
+
+ if (led->led_on)
+ led->led_on(priv, IWL_LED_LINK);
+ break;
+ case LED_OFF:
+ if (led->type == IWL_LED_TRG_ASSOC)
+ priv->allow_blinking = 0;
+
+ if (led->led_off)
+ led->led_off(priv, IWL_LED_LINK);
+ break;
+ default:
+ if (led->led_pattern)
+ led->led_pattern(priv, IWL_LED_LINK, brightness);
+ break;
+ }
+}
+
+
+
+/*
+ * Register led class with the system
+ */
+static int iwl_leds_register_led(struct iwl_priv *priv,
+ struct iwl4965_led *led,
+ enum led_type type, u8 set_led,
+ const char *name, char *trigger)
+{
+ struct device *device = wiphy_dev(priv->hw->wiphy);
+ int ret;
+
+ led->led_dev.name = name;
+ led->led_dev.brightness_set = iwl4965_led_brightness_set;
+ led->led_dev.default_trigger = trigger;
+
+ ret = led_classdev_register(device, &led->led_dev);
+ if (ret) {
+ IWL_ERROR("Error: failed to register led handler.\n");
+ return ret;
+ }
+
+ led->priv = priv;
+ led->type = type;
+ led->registered = 1;
+
+ if (set_led && led->led_on)
+ led->led_on(priv, IWL_LED_LINK);
+ return 0;
+}
+
+
+/*
+ * calculate blink rate according to last 2 sec Tx/Rx activities
+ */
+static inline u8 get_blink_rate(struct iwl_priv *priv)
+{
+ int i;
+ u8 blink_rate;
+ u64 current_tpt = priv->tx_stats[2].bytes + priv->rx_stats[2].bytes;
+ s64 tpt = current_tpt - priv->led_tpt;
+
+ if (tpt < 0) /* wrapparound */
+ tpt = -tpt;
+
+ priv->led_tpt = current_tpt;
+
+ if (tpt < IWL_LED_THRESHOLD) {
+ i = IWL_MAX_BLINK_TBL;
+ } else {
+ for (i = 0; i < IWL_MAX_BLINK_TBL; i++)
+ if (tpt > (blink_tbl[i].tpt * IWL_1MB_RATE))
+ break;
+ }
+ /* if 0 frame is transfered */
+ if ((i == IWL_MAX_BLINK_TBL) || !priv->allow_blinking)
+ blink_rate = IWL_LED_SOLID;
+ else
+ blink_rate = blink_tbl[i].on_time;
+
+ return blink_rate;
+}
+
+static inline int is_rf_kill(struct iwl_priv *priv)
+{
+ return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
+ test_bit(STATUS_RF_KILL_SW, &priv->status);
+}
+
+/*
+ * this function called from handler. Since setting Led command can
+ * happen very frequent we postpone led command to be called from
+ * REPLY handler so we know ucode is up
+ */
+void iwl_leds_background(struct iwl_priv *priv)
+{
+ u8 blink_rate;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ priv->last_blink_time = 0;
+ return;
+ }
+ if (is_rf_kill(priv)) {
+ priv->last_blink_time = 0;
+ return;
+ }
+
+ if (!priv->allow_blinking) {
+ priv->last_blink_time = 0;
+ if (priv->last_blink_rate != IWL_LED_SOLID) {
+ priv->last_blink_rate = IWL_LED_SOLID;
+ iwl4965_led_on(priv, IWL_LED_LINK);
+ }
+ return;
+ }
+ if (!priv->last_blink_time ||
+ !time_after(jiffies, priv->last_blink_time +
+ msecs_to_jiffies(1000)))
+ return;
+
+ blink_rate = get_blink_rate(priv);
+
+ /* call only if blink rate change */
+ if (blink_rate != priv->last_blink_rate) {
+ if (blink_rate != IWL_LED_SOLID) {
+ priv->last_blink_time = jiffies +
+ msecs_to_jiffies(1000);
+ iwl4965_led_not_solid(priv, IWL_LED_LINK, blink_rate);
+ } else {
+ priv->last_blink_time = 0;
+ iwl4965_led_on(priv, IWL_LED_LINK);
+ }
+ }
+
+ priv->last_blink_rate = blink_rate;
+}
+EXPORT_SYMBOL(iwl_leds_background);
+
+/* Register all led handler */
+int iwl_leds_register(struct iwl_priv *priv)
+{
+ char *trigger;
+ char name[32];
+ int ret;
+
+ priv->last_blink_rate = 0;
+ priv->led_tpt = 0;
+ priv->last_blink_time = 0;
+ priv->allow_blinking = 0;
+
+ trigger = ieee80211_get_radio_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:radio",
+ wiphy_name(priv->hw->wiphy));
+
+ priv->led[IWL_LED_TRG_RADIO].led_on = iwl4965_led_on_reg;
+ priv->led[IWL_LED_TRG_RADIO].led_off = iwl4965_led_off_reg;
+ priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;
+
+ ret = iwl_leds_register_led(priv,
+ &priv->led[IWL_LED_TRG_RADIO],
+ IWL_LED_TRG_RADIO, 1,
+ name, trigger);
+ if (ret)
+ goto exit_fail;
+
+ trigger = ieee80211_get_assoc_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:assoc",
+ wiphy_name(priv->hw->wiphy));
+
+ ret = iwl_leds_register_led(priv,
+ &priv->led[IWL_LED_TRG_ASSOC],
+ IWL_LED_TRG_ASSOC, 0,
+ name, trigger);
+ /* for assoc always turn led on */
+ priv->led[IWL_LED_TRG_ASSOC].led_on = iwl4965_led_on_reg;
+ priv->led[IWL_LED_TRG_ASSOC].led_off = iwl4965_led_on_reg;
+ priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;
+
+ if (ret)
+ goto exit_fail;
+
+ trigger = ieee80211_get_rx_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:RX",
+ wiphy_name(priv->hw->wiphy));
+
+
+ ret = iwl_leds_register_led(priv,
+ &priv->led[IWL_LED_TRG_RX],
+ IWL_LED_TRG_RX, 0,
+ name, trigger);
+
+ priv->led[IWL_LED_TRG_RX].led_on = iwl4965_led_associated;
+ priv->led[IWL_LED_TRG_RX].led_off = iwl4965_led_associated;
+ priv->led[IWL_LED_TRG_RX].led_pattern = iwl4965_led_pattern;
+
+ if (ret)
+ goto exit_fail;
+
+ trigger = ieee80211_get_tx_led_name(priv->hw);
+ snprintf(name, sizeof(name), "iwl-%s:TX",
+ wiphy_name(priv->hw->wiphy));
+ ret = iwl_leds_register_led(priv,
+ &priv->led[IWL_LED_TRG_TX],
+ IWL_LED_TRG_TX, 0,
+ name, trigger);
+ priv->led[IWL_LED_TRG_TX].led_on = iwl4965_led_associated;
+ priv->led[IWL_LED_TRG_TX].led_off = iwl4965_led_associated;
+ priv->led[IWL_LED_TRG_TX].led_pattern = iwl4965_led_pattern;
+
+ if (ret)
+ goto exit_fail;
+
+ return 0;
+
+exit_fail:
+ iwl_leds_unregister(priv);
+ return ret;
+}
+EXPORT_SYMBOL(iwl_leds_register);
+
+/* unregister led class */
+static void iwl_leds_unregister_led(struct iwl4965_led *led, u8 set_led)
+{
+ if (!led->registered)
+ return;
+
+ led_classdev_unregister(&led->led_dev);
+
+ if (set_led)
+ led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+ led->registered = 0;
+}
+
+/* Unregister all led handlers */
+void iwl_leds_unregister(struct iwl_priv *priv)
+{
+ iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0);
+ iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RX], 0);
+ iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_TX], 0);
+ iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1);
+}
+EXPORT_SYMBOL(iwl_leds_unregister);
+
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#ifndef __iwl_leds_h__
+#define __iwl_leds_h__
+
+
+struct iwl_priv;
+
+#ifdef CONFIG_IWLWIFI_LEDS
+#include <linux/leds.h>
+
+#define IWL_LED_SOLID 11
+#define IWL_LED_NAME_LEN 31
+#define IWL_DEF_LED_INTRVL __constant_cpu_to_le32(1000)
+
+#define IWL_LED_ACTIVITY (0<<1)
+#define IWL_LED_LINK (1<<1)
+
+enum led_type {
+ IWL_LED_TRG_TX,
+ IWL_LED_TRG_RX,
+ IWL_LED_TRG_ASSOC,
+ IWL_LED_TRG_RADIO,
+ IWL_LED_TRG_MAX,
+};
+
+
+struct iwl4965_led {
+ struct iwl_priv *priv;
+ struct led_classdev led_dev;
+
+ int (*led_on) (struct iwl_priv *priv, int led_id);
+ int (*led_off) (struct iwl_priv *priv, int led_id);
+ int (*led_pattern) (struct iwl_priv *priv, int led_id,
+ enum led_brightness brightness);
+
+ enum led_type type;
+ unsigned int registered;
+};
+
+int iwl_leds_register(struct iwl_priv *priv);
+void iwl_leds_unregister(struct iwl_priv *priv);
+void iwl_leds_background(struct iwl_priv *priv);
+
+#else
+static inline int iwl_leds_register(struct iwl_priv *priv)
+{
+ return 0;
+}
+static inline void iwl_leds_unregister(struct iwl_priv *priv)
+{
+}
+static inline void iwl_leds_background(struct iwl_priv *priv)
+{
+}
+
+#endif /* CONFIG_IWLWIFI_LEDS */
+#endif /* __iwl_leds_h__ */
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3);
else
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2);
- } else
+ } else {
cmd->cmd.tx.timeout.pm_frame_timeout = 0;
+#ifdef CONFIG_IWL3945_LEDS
+ priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len);
+#endif
+ }
cmd->cmd.tx.driver_txop = 0;
cmd->cmd.tx.tx_flags = tx_flags;
IWL_DEBUG_INFO("ALIVE processing complete.\n");
wake_up_interruptible(&priv->wait_command_queue);
+ iwl3945_led_register(priv);
+
if (priv->error_recovering)
iwl3945_error_recovery(priv);
if (!exit_pending)
set_bit(STATUS_EXIT_PENDING, &priv->status);
+ iwl3945_led_unregister(priv);
iwl3945_clear_stations_table(priv);
/* Unblock any waiting calls */
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3);
else
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2);
- } else
+ } else {
cmd->cmd.tx.timeout.pm_frame_timeout = 0;
+ }
cmd->cmd.tx.driver_txop = 0;
cmd->cmd.tx.tx_flags = tx_flags;
IWL_DEBUG_INFO("ALIVE processing complete.\n");
wake_up_interruptible(&priv->wait_command_queue);
+ iwl_leds_register(priv);
+
if (priv->error_recovering)
iwl4965_error_recovery(priv);
if (!exit_pending)
set_bit(STATUS_EXIT_PENDING, &priv->status);
+ iwl_leds_unregister(priv);
+
iwlcore_clear_stations_table(priv);
/* Unblock any waiting calls */
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