[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

4 files changed, 187 insertions, 3 deletions

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
index 41c246ff80..41c246ff80 100644
--- a/package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch
+++ b/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 a4ac1d8411..a90bbe1f96 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 <george@znau.edu.ua>
 ---
  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 <asm/paccess.h>
  #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 0000000000..2639abcf6a
--- /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 <bcmjtag.h>
+ #endif	/* BCMJTAG */
+ 
+-
+-#ifdef CONFIG_SSB
+-#include <linux/ssb/ssb.h>
+-#endif
++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA)
++#include <wl_glue.h>
++#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 <asm/paccess.h>
+ #endif /* mips */
+ #include <pcicfg.h>
+-#ifdef CONFIG_SSB
+-#include <linux/ssb/ssb.h>
+-#endif
++#if defined(CONFIG_SSB) || defined(CONFIG_BCMA)
++#include <wl_glue.h>
++#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 407ec5ac16..749ecbf31f 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 <devpath>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;
  		}