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yaml
---
r: 103444
b: refs/heads/master
c: 9a9ad0c
h: refs/heads/master
v: v3
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Abhijeet Kolekar authored and John W. Linville committed Jul 14, 2008
1 parent 44fe3e4 commit 2f7a484
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Showing 4 changed files with 65 additions and 86 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 36da7d70e307f8650db1b1c7350d2161ca3829ef
refs/heads/master: 9a9ad0cda72a651fc6b99fa9ec040a5d41005a88
146 changes: 62 additions & 84 deletions trunk/drivers/net/wireless/iwlwifi/iwl-3945-led.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,14 +42,11 @@
#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;
u8 off_time;
} blink_tbl[] =
{
{300, 25, 25},
Expand All @@ -61,16 +58,27 @@ static const struct {
{15, 95, 95 },
{10, 110, 110},
{5, 130, 130},
{0, 167, 167}
{0, 167, 167},
/*SOLID_ON*/
{-1, IWL_LED_SOLID, 0}
};

#define IWL_1MB_RATE (128 * 1024)
#define IWL_LED_THRESHOLD (16)
#define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /*Exclude Solid on*/
#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1)

static int iwl3945_led_cmd_callback(struct iwl3945_priv *priv,
struct iwl3945_cmd *cmd,
struct sk_buff *skb)
{
return 1;
}

static inline int iwl3945_brightness_to_idx(enum led_brightness brightness)
{
return fls(0x000000FF & (u32)brightness);
}

/* Send led command */
static int iwl_send_led_cmd(struct iwl3945_priv *priv,
Expand All @@ -81,49 +89,45 @@ static int iwl_send_led_cmd(struct iwl3945_priv *priv,
.len = sizeof(struct iwl3945_led_cmd),
.data = led_cmd,
.meta.flags = CMD_ASYNC,
.meta.u.callback = iwl3945_led_cmd_callback
.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)
static int iwl3945_led_pattern(struct iwl3945_priv *priv, int led_id,
unsigned int idx)
{
struct iwl3945_led_cmd led_cmd = {
.id = led_id,
.on = IWL_LED_SOLID,
.off = 0,
.interval = IWL_DEF_LED_INTRVL
};

BUG_ON(idx > IWL_MAX_BLINK_TBL);

led_cmd.on = blink_tbl[idx].on_time;
led_cmd.off = blink_tbl[idx].off_time;

return iwl_send_led_cmd(priv, &led_cmd);
}


#if 1
/* Set led on command */
static int iwl3945_led_pattern(struct iwl3945_priv *priv, int led_id,
enum led_brightness brightness)
static int iwl3945_led_on(struct iwl3945_priv *priv, int led_id)
{
struct iwl3945_led_cmd led_cmd = {
.id = led_id,
.on = brightness,
.off = brightness,
.on = IWL_LED_SOLID,
.off = 0,
.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)
{
Expand All @@ -136,27 +140,7 @@ static int iwl3945_led_off(struct iwl3945_priv *priv, int led_id)
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);
}
#endif


/*
Expand Down Expand Up @@ -206,8 +190,10 @@ static void iwl3945_led_brightness_set(struct led_classdev *led_cdev,
led->led_off(priv, IWL_LED_LINK);
break;
default:
if (led->led_pattern)
led->led_pattern(priv, IWL_LED_LINK, brightness);
if (led->led_pattern) {
int idx = iwl3945_brightness_to_idx(brightness);
led->led_pattern(priv, IWL_LED_LINK, idx);
}
break;
}
}
Expand Down Expand Up @@ -252,24 +238,20 @@ static int iwl3945_led_register_led(struct iwl3945_priv *priv,
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;
u64 current_tpt = priv->rxtxpackets;
s64 tpt = current_tpt - priv->led_tpt;

return blink_rate;
if (tpt < 0)
tpt = -tpt;
priv->led_tpt = current_tpt;

if (!priv->allow_blinking)
index = IWL_MAX_BLINK_TBL;
else
for (index = 0; index < IWL_MAX_BLINK_TBL; index++)
if (tpt > (blink_tbl[index].brightness * IWL_1MB_RATE))
break;
return index;
}

static inline int is_rf_kill(struct iwl3945_priv *priv)
Expand All @@ -285,7 +267,7 @@ static inline int is_rf_kill(struct iwl3945_priv *priv)
*/
void iwl3945_led_background(struct iwl3945_priv *priv)
{
u8 blink_rate;
u8 blink_idx;

if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
priv->last_blink_time = 0;
Expand All @@ -298,9 +280,10 @@ void iwl3945_led_background(struct iwl3945_priv *priv)

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);
if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) {
priv->last_blink_rate = IWL_SOLID_BLINK_IDX;
iwl3945_led_pattern(priv, IWL_LED_LINK,
IWL_SOLID_BLINK_IDX);
}
return;
}
Expand All @@ -309,21 +292,14 @@ void iwl3945_led_background(struct iwl3945_priv *priv)
msecs_to_jiffies(1000)))
return;

blink_rate = get_blink_rate(priv);
blink_idx = 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);
}
}
if (blink_idx != priv->last_blink_rate)
iwl3945_led_pattern(priv, IWL_LED_LINK, blink_idx);

priv->last_blink_rate = blink_rate;
priv->last_blink_time = jiffies;
priv->last_blink_rate = blink_idx;
priv->rxtxpackets = 0;
}

Expand All @@ -337,15 +313,16 @@ int iwl3945_led_register(struct iwl3945_priv *priv)

priv->last_blink_rate = 0;
priv->rxtxpackets = 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 = iwl3945_led_on_reg;
priv->led[IWL_LED_TRG_RADIO].led_off = iwl3945_led_off_reg;
priv->led[IWL_LED_TRG_RADIO].led_on = iwl3945_led_on;
priv->led[IWL_LED_TRG_RADIO].led_off = iwl3945_led_off;
priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;

ret = iwl3945_led_register_led(priv,
Expand All @@ -364,8 +341,8 @@ int iwl3945_led_register(struct iwl3945_priv *priv)
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_on = iwl3945_led_on;
priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_on;
priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;

if (ret)
Expand All @@ -391,6 +368,7 @@ int iwl3945_led_register(struct iwl3945_priv *priv)
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,
Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/net/wireless/iwlwifi/iwl-3945-led.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ struct iwl3945_led {
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);
int idx);

enum led_type type;
unsigned int registered;
Expand Down
1 change: 1 addition & 0 deletions trunk/drivers/net/wireless/iwlwifi/iwl-3945.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -794,6 +794,7 @@ struct iwl3945_priv {
u8 last_blink_rate;
u8 allow_blinking;
unsigned int rxtxpackets;
u64 led_tpt;
#endif


Expand Down

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