add the carl9170 wifi driver for ar9170 devices

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19066 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 186 insertions, 0 deletions

diff --git a/package/carl9170/Makefile b/package/carl9170/Makefile
new file mode 100644
index 000000000..17f3376d2
--- /dev/null
+++ b/package/carl9170/Makefile
@@ -0,0 +1,62 @@
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=carl9170
+PKG_VERSION:=0.9.2.1
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=http://www.kernel.org/pub/linux/kernel/people/chr/carl9170/$(PKG_VERSION)
+PKG_MD5SUM:=5f0057ea651343460ea4f1fb093a4bdf
+
+include $(INCLUDE_DIR)/package.mk
+
+DRV_PATH:=$(PKG_BUILD_DIR)/drivers/net/wireless/ath/carl9170
+
+define KernelPackage/carl9170
+  SUBMENU:=Wireless Drivers
+  TITLE:=Driver for Atheros AR9170 USB sticks
+  DEPENDS:=+kmod-mac80211 +kmod-ath
+  URL:=http://www.kernel.org/pub/linux/kernel/people/chr/carl9170
+  FILES:=$(DRV_PATH)/carl9170usb.$(LINUX_KMOD_SUFFIX)
+  AUTOLOAD:=$(call AutoLoad,60,carl9170usb)
+endef
+
+define KernelPackage/carl9170/description
+ This package contains a driver for Atheros AR9170 USB sticks using the free firmware
+endef
+
+define Build/Prepare
+	rm -rf $(PKG_BUILD_DIR)
+	mkdir -p $(PKG_BUILD_DIR)
+	$(HOST_TAR) -C $(PKG_BUILD_DIR) -xjf $(DL_DIR)/$(PKG_SOURCE)
+	$(HOST_TAR) -C $(PKG_BUILD_DIR) -xf $(PKG_BUILD_DIR)/$(PKG_VERSION)/driver/carl9170-driver-$(PKG_VERSION).tar
+	ln -s Makefile.standalone $(DRV_PATH)/Makefile
+	ln -s $(STAGING_DIR)/usr/include/mac80211/ath/*.h $(PKG_BUILD_DIR)/drivers/net/wireless/ath/
+	$(Build/Patch)
+endef
+
+BUILDFLAGS= \
+	$(if $(CONFIG_ATH_USER_REGD),-DATH_USER_REGD)
+
+define Build/Compile
+	$(MAKE) -C $(LINUX_DIR) \
+		SUBDIRS="$(DRV_PATH)" \
+		ARCH="$(LINUX_KARCH)" \
+		CROSS_COMPILE="$(KERNEL_CROSS)" \
+		CC="$(TARGET_CC) -I$(STAGING_DIR)/usr/include/mac80211 $(BUILDFLAGS)"
+endef
+
+define KernelPackage/carl9170/install
+	$(INSTALL_DIR) $(1)/lib/firmware
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/$(PKG_VERSION)/firmware_build/carl9170.fw $(1)/lib/firmware/
+endef
+
+$(eval $(call KernelPackage,carl9170))
diff --git a/package/carl9170/patches/100-request_firmware_compat.patch b/package/carl9170/patches/100-request_firmware_compat.patch
new file mode 100644
index 000000000..93fdc6f08
--- /dev/null
+++ b/package/carl9170/patches/100-request_firmware_compat.patch
@@ -0,0 +1,31 @@
+--- a/drivers/net/wireless/ath/carl9170/usb.c
++++ b/drivers/net/wireless/ath/carl9170/usb.c
+@@ -983,11 +983,28 @@ err_failed:
+ 	ar9170_usb_firmware_failed(aru);
+ }
+ 
++
++
+ static int ar9170_usb_request_firmware(struct ar9170_usb *aru)
+ {
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
++	const struct firmware *fw;
++	int ret;
++
++	ret = request_firmware(&fw,
++		ar9170_fws[aru->fw_load].files[aru->fw_files].name,
++		&aru->udev->dev);
++
++	if (ret < 0)
++		return ret;
++
++	ar9170_usb_firmware_step2(fw, aru);
++	return 0;
++#else
+ 	return request_firmware_nowait(THIS_MODULE, 1,
+ 		ar9170_fws[aru->fw_load].files[aru->fw_files].name,
+ 		&aru->udev->dev, GFP_KERNEL, aru, ar9170_usb_firmware_step2);
++#endif
+ }
+ 
+ static void ar9170_usb_disconnect(struct usb_interface *intf)
diff --git a/package/carl9170/patches/110-endian_fixes.patch b/package/carl9170/patches/110-endian_fixes.patch
new file mode 100644
index 000000000..fa2eb1a55
--- /dev/null
+++ b/package/carl9170/patches/110-endian_fixes.patch
@@ -0,0 +1,93 @@
+--- a/drivers/net/wireless/ath/carl9170/fw.c
++++ b/drivers/net/wireless/ath/carl9170/fw.c
+@@ -39,7 +39,7 @@ const void *ar9170_fw_find_desc(struct a
+ 	for_each_hdr(iter, ar->fw_desc) {
+ 		if (!memcmp(iter->magic, descid, sizeof(*descid)) &&
+ 		    !CHECK_HDR_VERSION(iter, compatible_revision) &&
+-		    (iter->length >= len)) {
++		    (le16_to_cpu(iter->length) >= len)) {
+ 			ret = (void *)iter;
+ 			break;
+ 		}
+@@ -63,20 +63,22 @@ static int ar9170_fw_verify_descs(struct
+ 	end = (void *) head + max_len;
+ 
+ 	while (pos < end) {
+-		if (((unsigned long)pos + pos->length) > (unsigned long)end)
++		int pos_length = le16_to_cpu(pos->length);
++
++		if (((unsigned long)pos + pos_length) > (unsigned long)end)
+ 			return -EMSGSIZE;
+ 
+-		if (pos->length > max_len)
++		if (pos_length > max_len)
+ 			return -EMSGSIZE;
+ 
+-		if (pos->length < sizeof(struct carl9170_fw_desc_head))
++		if (pos_length < sizeof(struct carl9170_fw_desc_head))
+ 			return -EINVAL;
+ 
+ 		if (!memcmp(pos->magic, last_magic, sizeof(last_magic)))
+ 			return 0;
+ 
+-		pos = (void *)((unsigned long)pos + pos->length);
+-		max_len -= pos->length;
++		pos = (void *)((unsigned long)pos + pos_length);
++		max_len -= le16_to_cpu(pos->length);
+ 	}
+ 
+ 	return -EINVAL;
+@@ -139,7 +141,7 @@ static int ar9170_fw_check(struct ar9170
+ 	if (SUPP(CARL9170_FW_CRC32_CHECKSUM_TAIL)) {
+ 		__le32 crc32;
+ 
+-		crc32 = crc32_le(~0, data, len - 4);
++		crc32 = cpu_to_le32(crc32_le(~0, data, len - 4));
+ 		if (!memcmp(&crc32, &data[len - 4], 4) == 0) {
+ 			dev_err(ar->pdev, "CRC32 checksum mismatch!\n");
+ 			return -EINVAL;
+--- a/drivers/net/wireless/ath/carl9170/fwhdr.h
++++ b/drivers/net/wireless/ath/carl9170/fwhdr.h
+@@ -196,7 +196,7 @@ struct carl9170_fw_last_desc_v1 {
+ #define for_each_hdr(desc, fw_desc)					\
+ 	for (desc = fw_desc;						\
+ 	     (memcmp(desc->magic, LAST_MAGIC, 4) && desc->length);	\
+-	     desc = (void *)((unsigned long)desc + desc->length))
++	     desc = (void *)((unsigned long)desc + le16_to_cpu(desc->length)))
+ 
+ #define CHECK_HDR_VERSION(head, _min_ver)				\
+ 	(((head)->cur_ver < _min_ver) || ((head)->min_ver > _min_ver))	\
+--- a/drivers/net/wireless/ath/carl9170/usb.c
++++ b/drivers/net/wireless/ath/carl9170/usb.c
+@@ -640,9 +640,10 @@ static int ar9170_usb_check_firmware(str
+ 	}
+ 
+ 	if ((usb_desc->tx_descs < 16) ||
+-	    (usb_desc->tx_frag_len < 64) || (usb_desc->tx_frag_len > 512) ||
+-	    (usb_desc->rx_max_frame_len < 1024) ||
+-	    (usb_desc->rx_max_frame_len > AR9170_MAX_RX_BUFFER_SIZE)) {
++	    (le16_to_cpu(usb_desc->tx_frag_len) < 64) ||
++		(le16_to_cpu(usb_desc->tx_frag_len) > 512) ||
++	    (le16_to_cpu(usb_desc->rx_max_frame_len) < 1024) ||
++	    (le16_to_cpu(usb_desc->rx_max_frame_len) > AR9170_MAX_RX_BUFFER_SIZE)) {
+ 		dev_err(&aru->udev->dev, "usb firmware has obvious signs of "
+ 					 "malicious tampering.\n");
+ 		err = -EINVAL;
+@@ -650,14 +651,14 @@ static int ar9170_usb_check_firmware(str
+ 	}
+ 
+ 	if (SUPP(CARL9170_FW_USB_MINIBOOT))
+-		aru->fw_offset = usb_desc->miniboot_size;
++		aru->fw_offset = le16_to_cpu(usb_desc->miniboot_size);
+ 	else
+ 		aru->fw_offset = 0;
+ 
+-	aru->rx_size = usb_desc->rx_max_frame_len;
++	aru->rx_size = le16_to_cpu(usb_desc->rx_max_frame_len);
+ 	aru->common.mem_blocks = usb_desc->tx_descs;
+ 	atomic_set(&aru->common.mem_free_blocks, usb_desc->tx_descs);
+-	aru->common.mem_block_size = usb_desc->tx_frag_len;
++	aru->common.mem_block_size = le16_to_cpu(usb_desc->tx_frag_len);
+ 	return 0;
+ 
+ fail: