From df14a3269c98f6d1c2f6fd848588d0fe409ff688 Mon Sep 17 00:00:00 2001 From: jow Date: Sun, 24 Jul 2011 14:10:39 +0000 Subject: [PATCH] [package] broadcom-wl: make it work on the RT-N16 and other device using the BCMA bus - refresh and reorder patches - introduce a unified BCMA/SSB glue driver to accomodate for both bus types on brcm47xx - extend wlunbind init script to detach device from bcma-pci-bridge as well git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27751 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/broadcom-wl/Makefile | 12 +- package/broadcom-wl/files/etc/init.d/wlunbind | 14 +- ...patch => 005-fix-mem-leak-on-unload.patch} | 0 .../patches/006-generic-dma-api.patch | 4 +- .../patches/007-add-bcma-support.patch | 184 ++++++++++ .../patches/910-fallback-sprom.patch | 2 +- package/broadcom-wl/src/glue/Makefile | 17 + package/broadcom-wl/src/glue/wl_glue.c | 323 ++++++++++++++++++ package/broadcom-wl/src/glue/wl_glue.h | 22 ++ 9 files changed, 568 insertions(+), 10 deletions(-) rename package/broadcom-wl/patches/{006-fix-mem-leak-on-unload.patch => 005-fix-mem-leak-on-unload.patch} (100%) create mode 100644 package/broadcom-wl/patches/007-add-bcma-support.patch create mode 100644 package/broadcom-wl/src/glue/Makefile create mode 100644 package/broadcom-wl/src/glue/wl_glue.c create mode 100644 package/broadcom-wl/src/glue/wl_glue.h diff --git a/package/broadcom-wl/Makefile b/package/broadcom-wl/Makefile index 9ece393e7..950033151 100644 --- a/package/broadcom-wl/Makefile +++ b/package/broadcom-wl/Makefile @@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=broadcom-wl PKG_VERSION:=5.10.56.27.3 -PKG_RELEASE:=1 +PKG_RELEASE:=2 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)_$(ARCH).tar.bz2 PKG_SOURCE_URL:=http://downloads.openwrt.org/sources @@ -34,8 +34,8 @@ define KernelPackage/brcm-wl/Default SECTION:=kernel DEPENDS:=@TARGET_brcm47xx||TARGET_brcm63xx +wireless-tools TITLE:=Kernel driver for BCM43xx chipsets - FILES:=$(PKG_BUILD_DIR)/driver$(1)/wl.ko - AUTOLOAD:=$(call AutoLoad,30,wl) + FILES:=$(PKG_BUILD_DIR)/driver$(1)/wl.ko $(PKG_BUILD_DIR)/glue/wl_glue.ko + AUTOLOAD:=$(call AutoLoad,30,wl_glue wl) endef define KernelPackage/brcm-wl/Default/description @@ -100,6 +100,7 @@ MAKE_KMOD := $(MAKE) -C "$(LINUX_DIR)" \ define Build/Prepare $(call Build/Prepare/Default) $(CP) $(PKG_BUILD_DIR)/driver $(PKG_BUILD_DIR)/driver-mini + $(CP) ./src/glue $(PKG_BUILD_DIR)/glue endef define Build/Compile @@ -115,6 +116,11 @@ define Build/Compile BUILD_TYPE="wl_apsta_mini" \ modules + # Compile glue driver + $(MAKE_KMOD) -C "$(LINUX_DIR)" \ + SUBDIRS="$(PKG_BUILD_DIR)/glue" \ + modules + # Compile libshared $(MAKE) -C $(PKG_BUILD_DIR)/shared \ $(TARGET_CONFIGURE_OPTS) \ diff --git a/package/broadcom-wl/files/etc/init.d/wlunbind b/package/broadcom-wl/files/etc/init.d/wlunbind index 80a8f0e60..0a29db565 100755 --- a/package/broadcom-wl/files/etc/init.d/wlunbind +++ b/package/broadcom-wl/files/etc/init.d/wlunbind @@ -1,17 +1,18 @@ #!/bin/sh /etc/rc.common -# Copyright (C) 2010 OpenWrt.org +# Copyright (C) 2010-2011 OpenWrt.org START=09 -boot() { - local sysfs=/sys/bus/pci/drivers/b43-pci-bridge +unbind_driver() { + local driver="$1" + local sysfs="/sys/bus/pci/drivers/$driver" if [ -d "$sysfs" ]; then local lnk for lnk in $sysfs/*; do [ -h "$lnk" ] || continue case "${lnk##*/}" in *:*:*.*) - logger "Unbinding WL PCI device ${lnk##*/} from B43 SSB bridge" + logger "Unbinding WL PCI device ${lnk##*/} from $driver" echo -n "${lnk##*/}" > "$sysfs/unbind" ;; esac @@ -19,5 +20,10 @@ boot() { fi } +boot() { + unbind_driver b43-pci-bridge + unbind_driver bcma-pci-bridge +} + start() { :; } stop() { :; } diff --git a/package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch b/package/broadcom-wl/patches/005-fix-mem-leak-on-unload.patch similarity index 100% rename from package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch rename to package/broadcom-wl/patches/005-fix-mem-leak-on-unload.patch diff --git a/package/broadcom-wl/patches/006-generic-dma-api.patch b/package/broadcom-wl/patches/006-generic-dma-api.patch index a4ac1d841..a90bbe1f9 100644 --- a/package/broadcom-wl/patches/006-generic-dma-api.patch +++ b/package/broadcom-wl/patches/006-generic-dma-api.patch @@ -11,8 +11,8 @@ Signed-off-by: George Kashperko --- driver/linux_osl.c | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) ---- broadcom-wl-5.10.56.27.3.orig/driver/linux_osl.c 2011-05-17 23:40:00.000000000 +0300 -+++ broadcom-wl-5.10.56.27.3/driver/linux_osl.c 2011-05-17 23:46:01.000000000 +0300 +--- a/driver/linux_osl.c ++++ b/driver/linux_osl.c @@ -25,6 +25,9 @@ #include #endif /* mips */ diff --git a/package/broadcom-wl/patches/007-add-bcma-support.patch b/package/broadcom-wl/patches/007-add-bcma-support.patch new file mode 100644 index 000000000..2639abcf6 --- /dev/null +++ b/package/broadcom-wl/patches/007-add-bcma-support.patch @@ -0,0 +1,184 @@ +--- a/driver/wl_linux.c ++++ b/driver/wl_linux.c +@@ -85,10 +85,9 @@ typedef void wlc_hw_info_t; + #include + #endif /* BCMJTAG */ + +- +-#ifdef CONFIG_SSB +-#include +-#endif ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) ++#include ++#endif /* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + + /* Linux wireless extension support */ + #ifdef CONFIG_WIRELESS_EXT +@@ -997,62 +996,32 @@ static struct pci_driver wl_pci_driver = + #endif /* CONFIG_PCI */ + #endif + ++#ifdef BCMJTAG ++static bcmjtag_driver_t wl_jtag_driver = { ++ wl_jtag_probe, ++ wl_jtag_detach, ++ wl_jtag_poll, ++ }; ++#endif /* BCMJTAG */ + +-static int wl_ssb_probe(struct ssb_device *dev, const struct ssb_device_id *id) ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) ++static void * glue_attach_cb(u16 vendor, u16 device, ++ ulong mmio, void *dev, u32 irq) + { +- wl_info_t *wl; +- void *mmio; +- +- if (dev->bus->bustype != SSB_BUSTYPE_SSB) { +- printk("Attaching to SSB behind PCI is not supported. Please remove the b43 ssb bridge\n"); +- return -EINVAL; +- } +- +- mmio = (void *) 0x18000000 + dev->core_index * 0x1000; +- wl = wl_attach(id->vendor, id->coreid, (ulong) mmio, SI_BUS, dev, dev->irq); +- if (!wl) { +- printk("wl_attach failed\n"); +- return -ENODEV; +- } +- +- ssb_set_drvdata(dev, wl); +- +- return 0; ++ return wl_attach(vendor, device, mmio, SI_BUS, dev, irq); + } + +-static void wl_ssb_remove(struct ssb_device *dev) ++static void glue_remove_cb(void *wldev) + { +- wl_info_t *wl = (wl_info_t *) ssb_get_drvdata(dev); ++ wl_info_t *wl = (wl_info_t *)wldev; + + WL_LOCK(wl); + WL_APSTA_UPDN(("wl%d (%s): wl_remove() -> wl_down()\n", wl->pub->unit, wl->dev->name)); + wl_down(wl); + WL_UNLOCK(wl); + wl_free(wl); +- ssb_set_drvdata(dev, NULL); + } +- +-static const struct ssb_device_id wl_ssb_tbl[] = { +- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, SSB_ANY_REV), +- SSB_DEVTABLE_END +-}; +- +-#ifdef CONFIG_SSB +-static struct ssb_driver wl_ssb_driver = { +- .name = KBUILD_MODNAME, +- .id_table = wl_ssb_tbl, +- .probe = wl_ssb_probe, +- .remove = wl_ssb_remove, +-}; +-#endif +- +-#ifdef BCMJTAG +-static bcmjtag_driver_t wl_jtag_driver = { +- wl_jtag_probe, +- wl_jtag_detach, +- wl_jtag_poll, +- }; +-#endif /* BCMJTAG */ ++#endif/* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + + + /** +@@ -1067,11 +1036,13 @@ wl_module_init(void) + { + int error = -ENODEV; + +-#ifdef CONFIG_SSB +- error = ssb_driver_register(&wl_ssb_driver); ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) ++ wl_glue_set_attach_callback(&glue_attach_cb); ++ wl_glue_set_remove_callback(&glue_remove_cb); ++ error = wl_glue_register(); + if (error) + return error; +-#endif /* CONFIG_SSB */ ++#endif /* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + + #ifdef CONFIG_PCI + error = pci_register_driver(&wl_pci_driver); +@@ -1082,7 +1053,9 @@ wl_module_init(void) + return 0; + + error_pci: +- ssb_driver_unregister(&wl_ssb_driver); ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) ++ wl_glue_unregister(); ++#endif /* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + return error; + } + +@@ -1099,9 +1072,9 @@ wl_module_exit(void) + #ifdef CONFIG_PCI + pci_unregister_driver(&wl_pci_driver); + #endif /* CONFIG_PCI */ +-#ifdef CONFIG_SSB +- ssb_driver_unregister(&wl_ssb_driver); +-#endif /* CONFIG_SSB */ ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) ++ wl_glue_unregister(); ++#endif /* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + } + + module_init(wl_module_init); +--- a/driver/linux_osl.c ++++ b/driver/linux_osl.c +@@ -25,9 +25,9 @@ + #include + #endif /* mips */ + #include +-#ifdef CONFIG_SSB +-#include +-#endif ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) ++#include ++#endif /* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + + #define PCI_CFG_RETRY 10 + +@@ -370,15 +370,17 @@ osl_dma_consistent_align(void) + static struct device * + osl_get_dmadev(osl_t *osh) + { +-#ifdef CONFIG_SSB ++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA) + if (osh->bustype == SI_BUS) { +- /* This can be SiliconBackplane emulated as pci with Broadcom or +- * ssb device. Less harmful is to check for pci_bus_type and if +- * no match then assume we got ssb */ ++ /* This can be SiliconBackplane emulated as pci with Broadcom, ++ * ssb or bcma device. Less harmful is to check for pci_bus_type and if ++ * no match then assume we got either ssb or bcma */ + if (((struct pci_dev *)osh->pdev)->dev.bus != &pci_bus_type) +- return ((struct ssb_device *)osh->pdev)->dma_dev; ++ { ++ return wl_glue_get_dmadev(osh->pdev); ++ } + } +-#endif ++#endif /* defined(CONFIG_SSB) || defined(CONFIG_BCMA) */ + return &((struct pci_dev *)osh->pdev)->dev; + } + +--- a/driver/Makefile ++++ b/driver/Makefile +@@ -1,7 +1,7 @@ + BUILD_TYPE=wl_apsta + include $(src)/$(BUILD_TYPE)/buildflags.mk + +-EXTRA_CFLAGS += -I$(src)/include -I$(src) -DBCMDRIVER $(WLFLAGS) ++EXTRA_CFLAGS += -I$(src)/include -I$(src) -I$(realpath $(src)/../glue) -DBCMDRIVER $(WLFLAGS) + + wl-objs := $(BUILD_TYPE)/wl_prebuilt.o wl_iw.o wl_linux.o linux_osl.o siutils.o aiutils.o hndpmu.o bcmutils.o sbutils.o nicpci.o hnddma.o bcmsrom.o nvram_stub.o + diff --git a/package/broadcom-wl/patches/910-fallback-sprom.patch b/package/broadcom-wl/patches/910-fallback-sprom.patch index 407ec5ac1..749ecbf31 100644 --- a/package/broadcom-wl/patches/910-fallback-sprom.patch +++ b/package/broadcom-wl/patches/910-fallback-sprom.patch @@ -23,7 +23,7 @@ /* * Apply CRC over SROM content regardless SROM is present or not, * and use variable sromrev's existance in flash to decide -@@ -2120,6 +2130,58 @@ BCMATTACHFN(initvars_srom_pci)(si_t *sih +@@ -2120,6 +2129,58 @@ BCMATTACHFN(initvars_srom_pci)(si_t *sih goto varscont; } diff --git a/package/broadcom-wl/src/glue/Makefile b/package/broadcom-wl/src/glue/Makefile new file mode 100644 index 000000000..81f0c8acf --- /dev/null +++ b/package/broadcom-wl/src/glue/Makefile @@ -0,0 +1,17 @@ +# +# Makefile for wl_glue driver +# +# Copyright (C) 2011 Jo-Philipp Wich +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version +# 2 of the License, or (at your option) any later version. +# + +obj-m := wl_glue.o + +ifeq ($(MAKING_MODULES),1) +-include $(TOPDIR)/Rules.make +endif + diff --git a/package/broadcom-wl/src/glue/wl_glue.c b/package/broadcom-wl/src/glue/wl_glue.c new file mode 100644 index 000000000..18e2b3a58 --- /dev/null +++ b/package/broadcom-wl/src/glue/wl_glue.c @@ -0,0 +1,323 @@ +/* + * wl_glue.c: Broadcom WL support module providing a unified SSB/BCMA handling. + * Copyright (C) 2011 Jo-Philipp Wich + */ + +#include "wl_glue.h" + +#include +#include +#include + +#ifdef CONFIG_BCM47XX +#include +#endif + +#ifdef CONFIG_SSB +#include +#endif + +#ifdef CONFIG_BCMA +#include +#endif + +MODULE_AUTHOR("Jo-Philipp Wich (jow@openwrt.org)"); +MODULE_DESCRIPTION("Broadcom WL SSB/BCMA compatibility layer"); +MODULE_LICENSE("GPL"); + +static wl_glue_attach_cb_t attach_cb = NULL; +static wl_glue_remove_cb_t remove_cb = NULL; +static enum wl_glue_bus_type active_bus_type = WL_GLUE_BUS_TYPE_UNSPEC; +static int wl_glue_attached = 0; + + +#ifdef CONFIG_SSB +static int wl_glue_ssb_probe(struct ssb_device *dev, const struct ssb_device_id *id) +{ + void *mmio; + void *wldev; + + if (!attach_cb) + { + pr_err("No attach callback registered\n"); + return -ENOSYS; + } + + if (dev->bus->bustype != SSB_BUSTYPE_SSB) + { + pr_err("Attaching to SSB behind PCI is not supported. Please remove the b43 ssb bridge\n"); + return -EINVAL; + } + + mmio = (void *) 0x18000000 + dev->core_index * 0x1000; + wldev = attach_cb(id->vendor, id->coreid, (ulong)mmio, dev, dev->irq); + + if (!wldev) + { + pr_err("The attach callback failed, SSB probe aborted\n"); + return -ENODEV; + } + + ssb_set_drvdata(dev, wldev); + return 0; +} + +static void wl_glue_ssb_remove(struct ssb_device *dev) +{ + void *wldev = ssb_get_drvdata(dev); + + if (remove_cb) + remove_cb(wldev); + + ssb_set_drvdata(dev, NULL); +} + +static const struct ssb_device_id wl_glue_ssb_tbl[] = { + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, SSB_ANY_REV), + SSB_DEVTABLE_END +}; + +static struct ssb_driver wl_glue_ssb_driver = { + .name = KBUILD_MODNAME, + .id_table = wl_glue_ssb_tbl, + .probe = wl_glue_ssb_probe, + .remove = wl_glue_ssb_remove, +}; +#endif /* CONFIG_SSB */ + +#ifdef CONFIG_BCMA +static int wl_glue_bcma_probe(struct bcma_device *dev) +{ + void *mmio; + void *wldev; + + if (!attach_cb) + { + pr_err("No attach callback registered\n"); + return -ENOSYS; + } + + if (dev->bus->hosttype != BCMA_HOSTTYPE_SOC) + { + pr_err("Unsupported BCMA bus type %d\n", dev->bus->hosttype); + return -EINVAL; + } + + /* + * NB: + * 0x18000000 = BCMA_ADDR_BASE + * 0x1000 = BCMA_CORE_SIZE + */ + + mmio = (void *) 0x18000000 + dev->core_index * 0x1000; + wldev = attach_cb(dev->id.manuf, dev->id.id, (ulong)mmio, dev, dev->irq); + + if (!wldev) + { + pr_err("The attach callback failed, BCMA probe aborted\n"); + return -ENODEV; + } + + bcma_set_drvdata(dev, wldev); + return 0; +} + +static void wl_glue_bcma_remove(struct bcma_device *dev) +{ + void *wldev = bcma_get_drvdata(dev); + + if (remove_cb) + remove_cb(wldev); + + bcma_set_drvdata(dev, NULL); +} + +static const struct bcma_device_id wl_glue_bcma_tbl[] = { + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, BCMA_ANY_REV, BCMA_ANY_CLASS), + BCMA_CORETABLE_END +}; + +static struct bcma_driver wl_glue_bcma_driver = { + .name = KBUILD_MODNAME, + .id_table = wl_glue_bcma_tbl, + .probe = wl_glue_bcma_probe, + .remove = wl_glue_bcma_remove, +}; +#endif /* CONFIG_BCMA */ + + +void wl_glue_set_attach_callback(wl_glue_attach_cb_t cb) +{ + attach_cb = cb; +} +EXPORT_SYMBOL(wl_glue_set_attach_callback); + +void wl_glue_set_remove_callback(wl_glue_remove_cb_t cb) +{ + remove_cb = cb; +} +EXPORT_SYMBOL(wl_glue_set_remove_callback); + +int wl_glue_register(void) +{ + int err; + + switch(active_bus_type) + { +#ifdef CONFIG_SSB + case WL_GLUE_BUS_TYPE_SSB: + err = ssb_driver_register(&wl_glue_ssb_driver); + break; +#endif /* CONFIG_SSB */ + +#ifdef CONFIG_BCMA + case WL_GLUE_BUS_TYPE_BCMA: + err = bcma_driver_register(&wl_glue_bcma_driver); + break; +#endif /* CONFIG_BCMA */ + + default: + pr_err("Not attaching through glue driver due to unsupported bus\n"); + err = -ENOSYS; + break; + } + + if (!err) + { + pr_info("SSB/BCMA glue driver successfully attached\n"); + wl_glue_attached = 1; + } + + return err; +} +EXPORT_SYMBOL(wl_glue_register); + +int wl_glue_unregister(void) +{ + int err; + + if (!wl_glue_attached) + return -ENOSYS; + + switch (active_bus_type) + { +#ifdef CONFIG_SSB + case WL_GLUE_BUS_TYPE_SSB: + ssb_driver_unregister(&wl_glue_ssb_driver); + err = 0; + break; +#endif /* CONFIG_SSB */ + +#ifdef CONFIG_BCMA + case WL_GLUE_BUS_TYPE_BCMA: + bcma_driver_unregister(&wl_glue_bcma_driver); + err = 0; + break; +#endif /* CONFIG_BCMA */ + + default: + pr_err("Not removing glue driver due to unsupported bus\n"); + err = -ENOSYS; + break; + } + + if (!err) + { + pr_info("SSB/BCMA glue driver successfully detached\n"); + wl_glue_attached = 0; + } + + return err; +} +EXPORT_SYMBOL(wl_glue_unregister); + +struct device * wl_glue_get_dmadev(void *dev) +{ + struct device *dma_dev; + + if (!wl_glue_attached) + { + BUG(); + return NULL; + } + + switch (active_bus_type) + { +#ifdef CONFIG_SSB + case WL_GLUE_BUS_TYPE_SSB: + dma_dev = ((struct ssb_device *)dev)->dma_dev; + break; +#endif /* CONFIG_SSB */ + +#ifdef CONFIG_BCMA + case WL_GLUE_BUS_TYPE_BCMA: + dma_dev = ((struct bcma_device *)dev)->dma_dev; + break; +#endif /* CONFIG_BCMA */ + + default: + BUG(); + dma_dev = NULL; + break; + } + + return dma_dev; +} +EXPORT_SYMBOL(wl_glue_get_dmadev); + + +static int __init wl_glue_init(void) +{ +#ifdef CONFIG_BCM47XX + /* + * BCM47xx currently supports either SSB or BCMA bus, + * determine the used one from the info set by the + * platform setup code. + */ + switch (bcm47xx_active_bus_type) + { +#ifdef CONFIG_SSB + case BCM47XX_BUS_TYPE_SSB: + active_bus_type = WL_GLUE_BUS_TYPE_SSB; + break; +#endif /* CONFIG_SSB */ + +#ifdef CONFIG_BCMA + case BCM47XX_BUS_TYPE_BCMA: + active_bus_type = WL_GLUE_BUS_TYPE_BCMA; + break; +#endif /* CONFIG_BCMA */ + } +#endif /* CONFIG_BCM47XX */ + +#ifdef CONFIG_BCM63XX +#ifdef CONFIG_SSB + /* + * BCM63xx currently only uses SSB, so assume that. + */ + active_bus_type = WL_GLUE_BUS_TYPE_SSB; +#endif /* CONFIG_SSB */ +#endif /* CONFIG_BCM63XX */ + + /* do not fail here, let wl_glue_register() return -ENOSYS later */ + if (active_bus_type == WL_GLUE_BUS_TYPE_UNSPEC) + pr_err("Unable to determine used system bus type\n"); + + return 0; +} + +static void __exit wl_glue_exit(void) +{ + if (wl_glue_attached) + { + if (wl_glue_unregister()) + pr_err("Failed to unregister glue driver\n"); + + wl_glue_attached = 0; + } + + return; +} + +module_init(wl_glue_init); +module_exit(wl_glue_exit); diff --git a/package/broadcom-wl/src/glue/wl_glue.h b/package/broadcom-wl/src/glue/wl_glue.h new file mode 100644 index 000000000..b3c8aa3b6 --- /dev/null +++ b/package/broadcom-wl/src/glue/wl_glue.h @@ -0,0 +1,22 @@ +/* + * wl_glue.h: Broadcom WL support module providing a unified SSB/BCMA handling. + * Copyright (C) 2011 Jo-Philipp Wich + */ + +#include + +typedef void * (*wl_glue_attach_cb_t)(u16, u16, ulong, void *, u32); +typedef void (*wl_glue_remove_cb_t)(void *); + +enum wl_glue_bus_type { + WL_GLUE_BUS_TYPE_UNSPEC, + WL_GLUE_BUS_TYPE_SSB, + WL_GLUE_BUS_TYPE_BCMA +}; + +extern void wl_glue_set_attach_callback(wl_glue_attach_cb_t cb); +extern void wl_glue_set_remove_callback(wl_glue_remove_cb_t cb); +extern int wl_glue_register(void); +extern int wl_glue_unregister(void); +extern struct device * wl_glue_get_dmadev(void *); +