diff options
| -rw-r--r-- | drivers/net/wireless/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187_dev.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187_leds.c | 218 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8187_leds.h | 57 |
6 files changed, 305 insertions, 4 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index ad99470ae92d..11c248180982 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -433,6 +433,13 @@ config RTL8187 Thanks to Realtek for their support! +# If possible, automatically enable LEDs for RTL8187. + +config RTL8187_LEDS + bool + depends on RTL8187 && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = RTL8187) + default y + config ADM8211 tristate "ADMtek ADM8211 support" depends on MAC80211 && PCI && WLAN_80211 && EXPERIMENTAL diff --git a/drivers/net/wireless/rtl818x/Makefile b/drivers/net/wireless/rtl818x/Makefile index c113b3e69046..37e3d4db0c40 100644 --- a/drivers/net/wireless/rtl818x/Makefile +++ b/drivers/net/wireless/rtl818x/Makefile @@ -1,5 +1,5 @@ rtl8180-objs := rtl8180_dev.o rtl8180_rtl8225.o rtl8180_sa2400.o rtl8180_max2820.o rtl8180_grf5101.o -rtl8187-objs := rtl8187_dev.o rtl8187_rtl8225.o +rtl8187-objs := rtl8187_dev.o rtl8187_rtl8225.o rtl8187_leds.o obj-$(CONFIG_RTL8180) += rtl8180.o obj-$(CONFIG_RTL8187) += rtl8187.o diff --git a/drivers/net/wireless/rtl818x/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187.h index 9718f61809cf..622196dc078e 100644 --- a/drivers/net/wireless/rtl818x/rtl8187.h +++ b/drivers/net/wireless/rtl818x/rtl8187.h @@ -16,6 +16,7 @@ #define RTL8187_H #include "rtl818x.h" +#include "rtl8187_leds.h" #define RTL8187_EEPROM_TXPWR_BASE 0x05 #define RTL8187_EEPROM_MAC_ADDR 0x07 @@ -102,6 +103,12 @@ struct rtl8187_priv { struct usb_anchor anchored; struct delayed_work work; struct ieee80211_hw *dev; +#ifdef CONFIG_RTL8187_LEDS + 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; diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c index d6d4001812a7..ac558da92aac 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c @@ -29,6 +29,9 @@ #include "rtl8187.h" #include "rtl8187_rtl8225.h" +#ifdef CONFIG_RTL8187_LEDS +#include "rtl8187_leds.h" +#endif MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>"); @@ -734,10 +737,10 @@ static const u8 rtl8187b_reg_table[][3] = { {0x85, 0x24, 0}, {0x88, 0x54, 0}, {0x8B, 0xB8, 0}, {0x8C, 0x07, 0}, {0x8D, 0x00, 0}, {0x94, 0x1B, 0}, {0x95, 0x12, 0}, {0x96, 0x00, 0}, {0x97, 0x06, 0}, {0x9D, 0x1A, 0}, {0x9F, 0x10, 0}, {0xB4, 0x22, 0}, - {0xBE, 0x80, 0}, {0xDB, 0x00, 0}, {0xEE, 0x00, 0}, {0x91, 0x03, 0}, + {0xBE, 0x80, 0}, {0xDB, 0x00, 0}, {0xEE, 0x00, 0}, {0x4C, 0x00, 2}, - {0x4C, 0x00, 2}, {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0}, - {0x8E, 0x08, 0}, {0x8F, 0x00, 0} + {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0}, {0x8E, 0x08, 0}, + {0x8F, 0x00, 0} }; static int rtl8187b_init_hw(struct ieee80211_hw *dev) @@ -1501,6 +1504,12 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, wiphy_name(dev->wiphy), dev->wiphy->perm_addr, chip_name, priv->asic_rev, priv->rf->name); +#ifdef CONFIG_RTL8187_LEDS + eeprom_93cx6_read(&eeprom, 0x3F, ®); + reg &= 0xFF; + rtl8187_leds_init(dev, reg); +#endif + return 0; err_free_dev: @@ -1518,6 +1527,9 @@ static void __devexit rtl8187_disconnect(struct usb_interface *intf) if (!dev) return; +#ifdef CONFIG_RTL8187_LEDS + rtl8187_leds_exit(dev); +#endif ieee80211_unregister_hw(dev); priv = dev->priv; diff --git a/drivers/net/wireless/rtl818x/rtl8187_leds.c b/drivers/net/wireless/rtl818x/rtl8187_leds.c new file mode 100644 index 000000000000..b44253592243 --- /dev/null +++ b/drivers/net/wireless/rtl818x/rtl8187_leds.c @@ -0,0 +1,218 @@ +/* + * Linux LED driver for RTL8187 + * + * Copyright 2009 Larry Finger <Larry.Finger@lwfinger.net> + * + * Based on the LED handling in the r8187 driver, which is: + * Copyright (c) Realtek Semiconductor Corp. All rights reserved. + * + * Thanks to Realtek for their support! + * + * 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. + */ + +#ifdef CONFIG_RTL8187_LEDS + +#include <net/mac80211.h> +#include <linux/usb.h> +#include <linux/eeprom_93cx6.h> + +#include "rtl8187.h" +#include "rtl8187_leds.h" + +static void led_turn_on(struct work_struct *work) +{ + /* As this routine does read/write operations on the hardware, it must + * be run from a work queue. + */ + u8 reg; + struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv, + led_on.work); + struct rtl8187_led *led = &priv->led_tx; + + /* Don't change the LED, when the device is down. */ + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) + return ; + + /* Skip if the LED is not registered. */ + if (!led->dev) + return; + mutex_lock(&priv->conf_mutex); + switch (led->ledpin) { + case LED_PIN_GPIO0: + rtl818x_iowrite8(priv, &priv->map->GPIO, 0x01); + rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0x00); + break; + case LED_PIN_LED0: + reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~(1 << 4); + rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); + break; + case LED_PIN_LED1: + reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~(1 << 5); + rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); + break; + case LED_PIN_HW: + default: + break; + } + mutex_unlock(&priv->conf_mutex); +} + +static void led_turn_off(struct work_struct *work) +{ + /* As this routine does read/write operations on the hardware, it must + * be run from a work queue. + */ + u8 reg; + struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv, + led_off.work); + struct rtl8187_led *led = &priv->led_tx; + + /* Don't change the LED, when the device is down. */ + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) + return ; + + /* Skip if the LED is not registered. */ + if (!led->dev) + return; + mutex_lock(&priv->conf_mutex); + switch (led->ledpin) { + case LED_PIN_GPIO0: + rtl818x_iowrite8(priv, &priv->map->GPIO, 0x01); + rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0x01); + break; + case LED_PIN_LED0: + reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) | (1 << 4); + rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); + break; + case LED_PIN_LED1: + reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) | (1 << 5); + rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); + break; + case LED_PIN_HW: + default: + break; + } + mutex_unlock(&priv->conf_mutex); +} + +/* Callback from the LED subsystem. */ +static void rtl8187_led_brightness_set(struct led_classdev *led_dev, + enum led_brightness brightness) +{ + struct rtl8187_led *led = container_of(led_dev, struct rtl8187_led, + led_dev); + struct ieee80211_hw *hw = led->dev; + struct rtl8187_priv *priv = hw->priv; + + if (brightness == LED_OFF) { + queue_delayed_work(hw->workqueue, &priv->led_off, 0); + /* The LED is off for 1/20 sec so that it just blinks. */ + queue_delayed_work(hw->workqueue, &priv->led_on, HZ / 20); + } else + queue_delayed_work(hw->workqueue, &priv->led_on, 0); +} + +static int rtl8187_register_led(struct ieee80211_hw *dev, + struct rtl8187_led *led, const char *name, + const char *default_trigger, u8 ledpin) +{ + int err; + struct rtl8187_priv *priv = dev->priv; + + if (led->dev) + return -EEXIST; + if (!default_trigger) + return -EINVAL; + led->dev = dev; + led->ledpin = ledpin; + strncpy(led->name, name, sizeof(led->name)); + + led->led_dev.name = led->name; + led->led_dev.default_trigger = default_trigger; + led->led_dev.brightness_set = rtl8187_led_brightness_set; + + err = led_classdev_register(&priv->udev->dev, &led->led_dev); + if (err) { + printk(KERN_INFO "LEDs: Failed to register %s\n", name); + led->dev = NULL; + return err; + } + return 0; +} + +static void rtl8187_unregister_led(struct rtl8187_led *led) +{ + led_classdev_unregister(&led->led_dev); + led->dev = NULL; +} + +void rtl8187_leds_init(struct ieee80211_hw *dev, u16 custid) +{ + struct rtl8187_priv *priv = dev->priv; + char name[RTL8187_LED_MAX_NAME_LEN + 1]; + u8 ledpin; + int err; + + /* According to the vendor driver, the LED operation depends on the + * customer ID encoded in the EEPROM + */ + printk(KERN_INFO "rtl8187: Customer ID is 0x%02X\n", custid); + switch (custid) { + case EEPROM_CID_RSVD0: + case EEPROM_CID_RSVD1: + case EEPROM_CID_SERCOMM_PS: + case EEPROM_CID_QMI: + case EEPROM_CID_DELL: + case EEPROM_CID_TOSHIBA: + ledpin = LED_PIN_GPIO0; + break; + case EEPROM_CID_ALPHA0: + ledpin = LED_PIN_LED0; + break; + case EEPROM_CID_HW: + ledpin = LED_PIN_HW; + break; + default: + ledpin = LED_PIN_GPIO0; + } + + INIT_DELAYED_WORK(&priv->led_on, led_turn_on); + INIT_DELAYED_WORK(&priv->led_off, led_turn_off); + + snprintf(name, sizeof(name), + "rtl8187-%s::tx", wiphy_name(dev->wiphy)); + err = rtl8187_register_led(dev, &priv->led_tx, name, + ieee80211_get_tx_led_name(dev), ledpin); + if (err) + goto error; + snprintf(name, sizeof(name), + "rtl8187-%s::rx", wiphy_name(dev->wiphy)); + err = rtl8187_register_led(dev, &priv->led_rx, name, + ieee80211_get_rx_led_name(dev), ledpin); + if (!err) { + queue_delayed_work(dev->workqueue, &priv->led_on, 0); + return; + } + /* registration of RX LED failed - unregister TX */ + rtl8187_unregister_led(&priv->led_tx); +error: + /* If registration of either failed, cancel delayed work */ + cancel_delayed_work_sync(&priv->led_off); + cancel_delayed_work_sync(&priv->led_on); +} + +void rtl8187_leds_exit(struct ieee80211_hw *dev) +{ + struct rtl8187_priv *priv = dev->priv; + + rtl8187_unregister_led(&priv->led_tx); + /* turn the LED off before exiting */ + queue_delayed_work(dev->workqueue, &priv->led_off, 0); + cancel_delayed_work_sync(&priv->led_off); + rtl8187_unregister_led(&priv->led_rx); +} +#endif /* def CONFIG_RTL8187_LED */ + diff --git a/drivers/net/wireless/rtl818x/rtl8187_leds.h b/drivers/net/wireless/rtl818x/rtl8187_leds.h new file mode 100644 index 000000000000..a0332027aead --- /dev/null +++ b/drivers/net/wireless/rtl818x/rtl8187_leds.h @@ -0,0 +1,57 @@ +/* + * Definitions for RTL8187 leds + * + * Copyright 2009 Larry Finger <Larry.Finger@lwfinger.net> + * + * Based on the LED handling in the r8187 driver, which is: + * Copyright (c) Realtek Semiconductor Corp. All rights reserved. + * + * 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_LED_H +#define RTL8187_LED_H + +#ifdef CONFIG_RTL8187_LEDS + +#define RTL8187_LED_MAX_NAME_LEN 21 + +#include <linux/leds.h> +#include <linux/types.h> + +enum { + LED_PIN_LED0, + LED_PIN_LED1, + LED_PIN_GPIO0, + LED_PIN_HW +}; + +enum { + EEPROM_CID_RSVD0 = 0x00, + EEPROM_CID_RSVD1 = 0xFF, + EEPROM_CID_ALPHA0 = 0x01, + EEPROM_CID_SERCOMM_PS = 0x02, + EEPROM_CID_HW = 0x03, + EEPROM_CID_TOSHIBA = 0x04, + EEPROM_CID_QMI = 0x07, + EEPROM_CID_DELL = 0x08 +}; + +struct rtl8187_led { + struct ieee80211_hw *dev; + /* The LED class device */ + struct led_classdev led_dev; + /* The pin/method used to control the led */ + u8 ledpin; + /* The unique name string for this LED device. */ + char name[RTL8187_LED_MAX_NAME_LEN + 1]; +}; + +void rtl8187_leds_init(struct ieee80211_hw *dev, u16 code); +void rtl8187_leds_exit(struct ieee80211_hw *dev); + +#endif /* def CONFIG_RTL8187_LED */ + +#endif /* RTL8187_LED_H */ |