diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/ahb.c | 234 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/ath5k.h | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/attach.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 98 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/led.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/mac80211-ops.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/pci.c | 2 |
10 files changed, 107 insertions, 300 deletions
diff --git a/drivers/net/wireless/ath/ath5k/Kconfig b/drivers/net/wireless/ath/ath5k/Kconfig index c9f81a388f15..93caf8e68901 100644 --- a/drivers/net/wireless/ath/ath5k/Kconfig +++ b/drivers/net/wireless/ath/ath5k/Kconfig @@ -1,13 +1,12 @@ config ATH5K tristate "Atheros 5xxx wireless cards support" - depends on (PCI || ATHEROS_AR231X) && MAC80211 + depends on PCI && MAC80211 select ATH_COMMON select MAC80211_LEDS select LEDS_CLASS select NEW_LEDS select AVERAGE - select ATH5K_AHB if (ATHEROS_AR231X && !PCI) - select ATH5K_PCI if (!ATHEROS_AR231X && PCI) + select ATH5K_PCI ---help--- This module adds support for wireless adapters based on Atheros 5xxx chipset. @@ -52,16 +51,9 @@ config ATH5K_TRACER If unsure, say N. -config ATH5K_AHB - bool "Atheros 5xxx AHB bus support" - depends on (ATHEROS_AR231X && !PCI) - ---help--- - This adds support for WiSoC type chipsets of the 5xxx Atheros - family. - config ATH5K_PCI bool "Atheros 5xxx PCI bus support" - depends on (!ATHEROS_AR231X && PCI) + depends on PCI ---help--- This adds support for PCI type chipsets of the 5xxx Atheros family. diff --git a/drivers/net/wireless/ath/ath5k/Makefile b/drivers/net/wireless/ath/ath5k/Makefile index 1b3a34f7f224..51e2d8668041 100644 --- a/drivers/net/wireless/ath/ath5k/Makefile +++ b/drivers/net/wireless/ath/ath5k/Makefile @@ -17,6 +17,5 @@ ath5k-y += ani.o ath5k-y += sysfs.o ath5k-y += mac80211-ops.o ath5k-$(CONFIG_ATH5K_DEBUG) += debug.o -ath5k-$(CONFIG_ATH5K_AHB) += ahb.o ath5k-$(CONFIG_ATH5K_PCI) += pci.o obj-$(CONFIG_ATH5K) += ath5k.o diff --git a/drivers/net/wireless/ath/ath5k/ahb.c b/drivers/net/wireless/ath/ath5k/ahb.c deleted file mode 100644 index 79bffe165cab..000000000000 --- a/drivers/net/wireless/ath/ath5k/ahb.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * Copyright (c) 2008-2009 Atheros Communications Inc. - * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org> - * Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/nl80211.h> -#include <linux/platform_device.h> -#include <linux/etherdevice.h> -#include <linux/export.h> -#include <ar231x_platform.h> -#include "ath5k.h" -#include "debug.h" -#include "base.h" -#include "reg.h" - -/* return bus cachesize in 4B word units */ -static void ath5k_ahb_read_cachesize(struct ath_common *common, int *csz) -{ - *csz = L1_CACHE_BYTES >> 2; -} - -static bool -ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) -{ - struct ath5k_hw *ah = common->priv; - struct platform_device *pdev = to_platform_device(ah->dev); - struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev); - u16 *eeprom, *eeprom_end; - - eeprom = (u16 *) bcfg->radio; - eeprom_end = ((void *) bcfg->config) + BOARD_CONFIG_BUFSZ; - - eeprom += off; - if (eeprom > eeprom_end) - return false; - - *data = *eeprom; - return true; -} - -int ath5k_hw_read_srev(struct ath5k_hw *ah) -{ - struct platform_device *pdev = to_platform_device(ah->dev); - struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev); - ah->ah_mac_srev = bcfg->devid; - return 0; -} - -static int ath5k_ahb_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac) -{ - struct platform_device *pdev = to_platform_device(ah->dev); - struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev); - u8 *cfg_mac; - - if (to_platform_device(ah->dev)->id == 0) - cfg_mac = bcfg->config->wlan0_mac; - else - cfg_mac = bcfg->config->wlan1_mac; - - memcpy(mac, cfg_mac, ETH_ALEN); - return 0; -} - -static const struct ath_bus_ops ath_ahb_bus_ops = { - .ath_bus_type = ATH_AHB, - .read_cachesize = ath5k_ahb_read_cachesize, - .eeprom_read = ath5k_ahb_eeprom_read, - .eeprom_read_mac = ath5k_ahb_eeprom_read_mac, -}; - -/*Initialization*/ -static int ath_ahb_probe(struct platform_device *pdev) -{ - struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev); - struct ath5k_hw *ah; - struct ieee80211_hw *hw; - struct resource *res; - void __iomem *mem; - int irq; - int ret = 0; - u32 reg; - - if (!dev_get_platdata(&pdev->dev)) { - dev_err(&pdev->dev, "no platform data specified\n"); - ret = -EINVAL; - goto err_out; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no memory resource found\n"); - ret = -ENXIO; - goto err_out; - } - - mem = ioremap_nocache(res->start, resource_size(res)); - if (mem == NULL) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto err_out; - } - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no IRQ resource found\n"); - ret = -ENXIO; - goto err_iounmap; - } - - irq = res->start; - - hw = ieee80211_alloc_hw(sizeof(struct ath5k_hw), &ath5k_hw_ops); - if (hw == NULL) { - dev_err(&pdev->dev, "no memory for ieee80211_hw\n"); - ret = -ENOMEM; - goto err_iounmap; - } - - ah = hw->priv; - ah->hw = hw; - ah->dev = &pdev->dev; - ah->iobase = mem; - ah->irq = irq; - ah->devid = bcfg->devid; - - if (bcfg->devid >= AR5K_SREV_AR2315_R6) { - /* Enable WMAC AHB arbitration */ - reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL); - reg |= AR5K_AR2315_AHB_ARB_CTL_WLAN; - iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL); - - /* Enable global WMAC swapping */ - reg = ioread32((void __iomem *) AR5K_AR2315_BYTESWAP); - reg |= AR5K_AR2315_BYTESWAP_WMAC; - iowrite32(reg, (void __iomem *) AR5K_AR2315_BYTESWAP); - } else { - /* Enable WMAC DMA access (assuming 5312 or 231x*/ - /* TODO: check other platforms */ - reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE); - if (to_platform_device(ah->dev)->id == 0) - reg |= AR5K_AR5312_ENABLE_WLAN0; - else - reg |= AR5K_AR5312_ENABLE_WLAN1; - iowrite32(reg, (void __iomem *) AR5K_AR5312_ENABLE); - - /* - * On a dual-band AR5312, the multiband radio is only - * used as pass-through. Disable 2 GHz support in the - * driver for it - */ - if (to_platform_device(ah->dev)->id == 0 && - (bcfg->config->flags & (BD_WLAN0 | BD_WLAN1)) == - (BD_WLAN1 | BD_WLAN0)) - ah->ah_capabilities.cap_needs_2GHz_ovr = true; - else - ah->ah_capabilities.cap_needs_2GHz_ovr = false; - } - - ret = ath5k_init_ah(ah, &ath_ahb_bus_ops); - if (ret != 0) { - dev_err(&pdev->dev, "failed to attach device, err=%d\n", ret); - ret = -ENODEV; - goto err_free_hw; - } - - platform_set_drvdata(pdev, hw); - - return 0; - - err_free_hw: - ieee80211_free_hw(hw); - err_iounmap: - iounmap(mem); - err_out: - return ret; -} - -static int ath_ahb_remove(struct platform_device *pdev) -{ - struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev); - struct ieee80211_hw *hw = platform_get_drvdata(pdev); - struct ath5k_hw *ah; - u32 reg; - - if (!hw) - return 0; - - ah = hw->priv; - - if (bcfg->devid >= AR5K_SREV_AR2315_R6) { - /* Disable WMAC AHB arbitration */ - reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL); - reg &= ~AR5K_AR2315_AHB_ARB_CTL_WLAN; - iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL); - } else { - /*Stop DMA access */ - reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE); - if (to_platform_device(ah->dev)->id == 0) - reg &= ~AR5K_AR5312_ENABLE_WLAN0; - else - reg &= ~AR5K_AR5312_ENABLE_WLAN1; - iowrite32(reg, (void __iomem *) AR5K_AR5312_ENABLE); - } - - ath5k_deinit_ah(ah); - iounmap(ah->iobase); - ieee80211_free_hw(hw); - - return 0; -} - -static struct platform_driver ath_ahb_driver = { - .probe = ath_ahb_probe, - .remove = ath_ahb_remove, - .driver = { - .name = "ar231x-wmac", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(ath_ahb_driver); diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h index 85316bb3f8c6..ed2468220216 100644 --- a/drivers/net/wireless/ath/ath5k/ath5k.h +++ b/drivers/net/wireless/ath/ath5k/ath5k.h @@ -1647,32 +1647,6 @@ static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah) return &(ath5k_hw_common(ah)->regulatory); } -#ifdef CONFIG_ATHEROS_AR231X -#define AR5K_AR2315_PCI_BASE ((void __iomem *)0xb0100000) - -static inline void __iomem *ath5k_ahb_reg(struct ath5k_hw *ah, u16 reg) -{ - /* On AR2315 and AR2317 the PCI clock domain registers - * are outside of the WMAC register space */ - if (unlikely((reg >= 0x4000) && (reg < 0x5000) && - (ah->ah_mac_srev >= AR5K_SREV_AR2315_R6))) - return AR5K_AR2315_PCI_BASE + reg; - - return ah->iobase + reg; -} - -static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg) -{ - return ioread32(ath5k_ahb_reg(ah, reg)); -} - -static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg) -{ - iowrite32(val, ath5k_ahb_reg(ah, reg)); -} - -#else - static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg) { return ioread32(ah->iobase + reg); @@ -1683,8 +1657,6 @@ static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg) iowrite32(val, ah->iobase + reg); } -#endif - static inline enum ath_bus_type ath5k_get_bus_type(struct ath5k_hw *ah) { return ath5k_hw_common(ah)->bus_ops->ath_bus_type; diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index 7106547a14dd..66b6366158b9 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -351,8 +351,7 @@ void ath5k_hw_deinit(struct ath5k_hw *ah) { __set_bit(ATH_STAT_INVALID, ah->status); - if (ah->ah_rf_banks != NULL) - kfree(ah->ah_rf_banks); + kfree(ah->ah_rf_banks); ath5k_eeprom_detach(ah); diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 8ad2550bce7f..a4a09bb8f2f3 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -99,15 +99,6 @@ static int ath5k_reset(struct ath5k_hw *ah, struct ieee80211_channel *chan, /* Known SREVs */ static const struct ath5k_srev_name srev_names[] = { -#ifdef CONFIG_ATHEROS_AR231X - { "5312", AR5K_VERSION_MAC, AR5K_SREV_AR5312_R2 }, - { "5312", AR5K_VERSION_MAC, AR5K_SREV_AR5312_R7 }, - { "2313", AR5K_VERSION_MAC, AR5K_SREV_AR2313_R8 }, - { "2315", AR5K_VERSION_MAC, AR5K_SREV_AR2315_R6 }, - { "2315", AR5K_VERSION_MAC, AR5K_SREV_AR2315_R7 }, - { "2317", AR5K_VERSION_MAC, AR5K_SREV_AR2317_R1 }, - { "2317", AR5K_VERSION_MAC, AR5K_SREV_AR2317_R2 }, -#else { "5210", AR5K_VERSION_MAC, AR5K_SREV_AR5210 }, { "5311", AR5K_VERSION_MAC, AR5K_SREV_AR5311 }, { "5311A", AR5K_VERSION_MAC, AR5K_SREV_AR5311A }, @@ -126,7 +117,6 @@ static const struct ath5k_srev_name srev_names[] = { { "5418", AR5K_VERSION_MAC, AR5K_SREV_AR5418 }, { "2425", AR5K_VERSION_MAC, AR5K_SREV_AR2425 }, { "2417", AR5K_VERSION_MAC, AR5K_SREV_AR2417 }, -#endif { "xxxxx", AR5K_VERSION_MAC, AR5K_SREV_UNKNOWN }, { "5110", AR5K_VERSION_RAD, AR5K_SREV_RAD_5110 }, { "5111", AR5K_VERSION_RAD, AR5K_SREV_RAD_5111 }, @@ -142,10 +132,6 @@ static const struct ath5k_srev_name srev_names[] = { { "5413", AR5K_VERSION_RAD, AR5K_SREV_RAD_5413 }, { "5424", AR5K_VERSION_RAD, AR5K_SREV_RAD_5424 }, { "5133", AR5K_VERSION_RAD, AR5K_SREV_RAD_5133 }, -#ifdef CONFIG_ATHEROS_AR231X - { "2316", AR5K_VERSION_RAD, AR5K_SREV_RAD_2316 }, - { "2317", AR5K_VERSION_RAD, AR5K_SREV_RAD_2317 }, -#endif { "xxxxx", AR5K_VERSION_RAD, AR5K_SREV_UNKNOWN }, }; @@ -1423,7 +1409,7 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb, break; } - if (rxs->rate_idx >= 0 && rs->rs_rate == + if (rs->rs_rate == ah->sbands[ah->curchan->band].bitrates[rxs->rate_idx].hw_value_short) rxs->flag |= RX_FLAG_SHORTPRE; diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index b8d031ae63c2..c70782e8f07b 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -62,9 +62,11 @@ #include <linux/export.h> #include <linux/moduleparam.h> +#include <linux/vmalloc.h> #include <linux/seq_file.h> #include <linux/list.h> +#include <linux/vmalloc.h> #include "debug.h" #include "ath5k.h" #include "reg.h" @@ -894,6 +896,100 @@ static const struct file_operations fops_queue = { .llseek = default_llseek, }; +/* debugfs: eeprom */ + +struct eeprom_private { + u16 *buf; + int len; +}; + +static int open_file_eeprom(struct inode *inode, struct file *file) +{ + struct eeprom_private *ep; + struct ath5k_hw *ah = inode->i_private; + bool res; + int i, ret; + u32 eesize; + u16 val, *buf; + + /* Get eeprom size */ + + res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val); + if (!res) + return -EACCES; + + if (val == 0) { + eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE; + } else { + eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << + AR5K_EEPROM_SIZE_ENDLOC_SHIFT; + ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val); + eesize = eesize | val; + } + + if (eesize > 4096) + return -EINVAL; + + /* Create buffer and read in eeprom */ + + buf = vmalloc(eesize); + if (!buf) { + ret = -ENOMEM; + goto err; + } + + for (i = 0; i < eesize; ++i) { + AR5K_EEPROM_READ(i, val); + buf[i] = val; + } + + /* Create private struct and assign to file */ + + ep = kmalloc(sizeof(*ep), GFP_KERNEL); + if (!ep) { + ret = -ENOMEM; + goto freebuf; + } + + ep->buf = buf; + ep->len = i; + + file->private_data = (void *)ep; + + return 0; + +freebuf: + vfree(buf); +err: + return ret; + +} + +static ssize_t read_file_eeprom(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct eeprom_private *ep = file->private_data; + + return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len); +} + +static int release_file_eeprom(struct inode *inode, struct file *file) +{ + struct eeprom_private *ep = file->private_data; + + vfree(ep->buf); + kfree(ep); + + return 0; +} + +static const struct file_operations fops_eeprom = { + .open = open_file_eeprom, + .read = read_file_eeprom, + .release = release_file_eeprom, + .owner = THIS_MODULE, +}; + void ath5k_debug_init_device(struct ath5k_hw *ah) @@ -921,6 +1017,8 @@ ath5k_debug_init_device(struct ath5k_hw *ah) debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc); + debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom); + debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah, &fops_frameerrors); diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c index f77ef36acf87..0beb7e7d6075 100644 --- a/drivers/net/wireless/ath/ath5k/led.c +++ b/drivers/net/wireless/ath/ath5k/led.c @@ -53,7 +53,7 @@ #define ATH_POLARITY(data) ((data) & 0xff) /* Devices we match on for LED config info (typically laptops) */ -static DEFINE_PCI_DEVICE_TABLE(ath5k_led_devices) = { +static const struct pci_device_id ath5k_led_devices[] = { /* AR5211 */ { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5211), ATH_LED(0, 0) }, /* HP Compaq nc6xx, nc4000, nx6000 */ @@ -130,6 +130,7 @@ ath5k_register_led(struct ath5k_hw *ah, struct ath5k_led *led, led->ah = ah; strncpy(led->name, name, sizeof(led->name)); + led->name[sizeof(led->name)-1] = 0; led->led_dev.name = led->name; led->led_dev.default_trigger = trigger; led->led_dev.brightness_set = ath5k_led_brightness_set; @@ -162,20 +163,14 @@ int ath5k_init_leds(struct ath5k_hw *ah) { int ret = 0; struct ieee80211_hw *hw = ah->hw; -#ifndef CONFIG_ATHEROS_AR231X struct pci_dev *pdev = ah->pdev; -#endif char name[ATH5K_LED_MAX_NAME_LEN + 1]; const struct pci_device_id *match; if (!ah->pdev) return 0; -#ifdef CONFIG_ATHEROS_AR231X - match = NULL; -#else match = pci_match_id(&ath5k_led_devices[0], pdev); -#endif if (match) { __set_bit(ATH_STAT_LEDSOFT, ah->status); ah->led_pin = ATH_PIN(match->driver_data); diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c index b65c38fdaa4b..ab2709a43768 100644 --- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c +++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c @@ -704,7 +704,7 @@ ath5k_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) * reset. */ static void -ath5k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class) +ath5k_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { struct ath5k_hw *ah = hw->priv; diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c index 859db7c34f87..c6156cc38940 100644 --- a/drivers/net/wireless/ath/ath5k/pci.c +++ b/drivers/net/wireless/ath/ath5k/pci.c @@ -28,7 +28,7 @@ #include "reg.h" /* Known PCI ids */ -static DEFINE_PCI_DEVICE_TABLE(ath5k_pci_id_table) = { +static const struct pci_device_id ath5k_pci_id_table[] = { { PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */ { PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */ { PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/ |