net: wireless: add brcm80211 drivers

Add the brcm80211 tree to drivers/net/wireless, and disable the version that's
in drivers/staging.  This version includes the sources currently in staging,
plus any changes that have been sent out for review.

Sources in staging will be deleted in a followup patch.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

81 files changed, 97056 insertions, 3 deletions

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index f354bd4e121..abd3b71cd4a 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -271,6 +271,7 @@ config MWL8K
 source "drivers/net/wireless/ath/Kconfig"
 source "drivers/net/wireless/b43/Kconfig"
 source "drivers/net/wireless/b43legacy/Kconfig"
+source "drivers/net/wireless/brcm80211/Kconfig"
 source "drivers/net/wireless/hostap/Kconfig"
 source "drivers/net/wireless/ipw2x00/Kconfig"
 source "drivers/net/wireless/iwlwifi/Kconfig"
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 4cf0ad312da..0a304b060b6 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -58,3 +58,6 @@ obj-$(CONFIG_WL12XX_PLATFORM_DATA)	+= wl12xx/
 obj-$(CONFIG_IWM)	+= iwmc3200wifi/
 
 obj-$(CONFIG_MWIFIEX)	+= mwifiex/
+obj-$(CONFIG_BRCMFMAC) += brcm80211/
+obj-$(CONFIG_BRCMUMAC) += brcm80211/
+obj-$(CONFIG_BRCMSMAC) += brcm80211/
diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig
new file mode 100644
index 00000000000..2069fc8f7ad
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/Kconfig
@@ -0,0 +1,35 @@
+config BRCMUTIL
+	tristate
+
+config BRCMSMAC
+	tristate "Broadcom IEEE802.11n PCIe SoftMAC WLAN driver"
+	depends on PCI
+	depends on MAC80211
+	depends on BCMA=n
+	select BRCMUTIL
+	select FW_LOADER
+	select CRC_CCITT
+	select CRC8
+	select CORDIC
+	---help---
+	  This module adds support for PCIe wireless adapters based on Broadcom
+	  IEEE802.11n SoftMAC chipsets.  If you choose to build a module, it'll
+	  be called brcmsmac.ko.
+
+config BRCMFMAC
+	tristate "Broadcom IEEE802.11n embedded FullMAC WLAN driver"
+	depends on MMC
+	depends on CFG80211
+	select BRCMUTIL
+	select FW_LOADER
+	---help---
+	  This module adds support for embedded wireless adapters based on
+	  Broadcom IEEE802.11n FullMAC chipsets.  This driver uses the kernel's
+	  wireless extensions subsystem.  If you choose to build a module,
+	  it'll be called brcmfmac.ko.
+
+config BRCMDBG
+	bool "Broadcom driver debug functions"
+	depends on BRCMSMAC || BRCMFMAC
+	---help---
+	  Selecting this enables additional code for debug purposes.
diff --git a/drivers/net/wireless/brcm80211/Makefile b/drivers/net/wireless/brcm80211/Makefile
new file mode 100644
index 00000000000..f41c047eca8
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/Makefile
@@ -0,0 +1,23 @@
+#
+# Makefile fragment for Broadcom 802.11n Networking Device Driver
+#
+# Copyright (c) 2010 Broadcom Corporation
+#
+# 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.
+
+# common flags
+subdir-ccflags-$(CONFIG_BRCMDBG)	+= -DBCMDBG
+
+obj-$(CONFIG_BRCMUTIL)	+= brcmutil/
+obj-$(CONFIG_BRCMFMAC)	+= brcmfmac/
+obj-$(CONFIG_BRCMSMAC)	+= brcmsmac/
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile
new file mode 100644
index 00000000000..b44e3094588
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile
@@ -0,0 +1,33 @@
+#
+# Makefile fragment for Broadcom 802.11n Networking Device Driver
+#
+# Copyright (c) 2010 Broadcom Corporation
+#
+# 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.
+
+ccflags-y += \
+	-Idrivers/net/wireless/brcm80211/brcmfmac	\
+	-Idrivers/net/wireless/brcm80211/include
+
+DHDOFILES = \
+	wl_cfg80211.o \
+	dhd_cdc.o \
+	dhd_common.o \
+	dhd_sdio.o	\
+	dhd_linux.o \
+	bcmsdh.o \
+	bcmsdh_sdmmc.o
+
+obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
+brcmfmac-objs += $(DHDOFILES)
+ccflags-y += -D__CHECK_ENDIAN__
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h b/drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h
new file mode 100644
index 00000000000..d7d3afd5a10
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * 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.
+ */
+
+#ifndef _bcmchip_h_
+#define _bcmchip_h_
+
+/* bcm4329 */
+/* SDIO device core, ID 0x829 */
+#define BCM4329_CORE_BUS_BASE		0x18011000
+/* internal memory core, ID 0x80e */
+#define BCM4329_CORE_SOCRAM_BASE	0x18003000
+/* ARM Cortex M3 core, ID 0x82a */
+#define BCM4329_CORE_ARM_BASE		0x18002000
+#define BCM4329_RAMSIZE			0x48000
+/* firmware name */
+#define BCM4329_FW_NAME			"brcm/bcm4329-fullmac-4.bin"
+#define BCM4329_NV_NAME			"brcm/bcm4329-fullmac-4.txt"
+
+#endif				/* _bcmchip_h_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
new file mode 100644
index 00000000000..bff9dcd6fad
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -0,0 +1,371 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * 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.
+ */
+/* ****************** SDIO CARD Interface Functions **************************/
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/sched.h>
+#include <linux/completion.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/card.h>
+
+#include <defs.h>
+#include <brcm_hw_ids.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <soc.h>
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_dbg.h"
+#include "sdio_host.h"
+
+#define SDIOH_API_ACCESS_RETRY_LIMIT	2
+
+static void brcmf_sdioh_irqhandler(struct sdio_func *func)
+{
+	struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev);
+
+	brcmf_dbg(TRACE, "***IRQHandler\n");
+
+	sdio_release_host(func);
+
+	brcmf_sdbrcm_isr(sdiodev->bus);
+
+	sdio_claim_host(func);
+}
+
+int brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev)
+{
+	brcmf_dbg(TRACE, "Entering\n");
+
+	sdio_claim_host(sdiodev->func[1]);
+	sdio_claim_irq(sdiodev->func[1], brcmf_sdioh_irqhandler);
+	sdio_release_host(sdiodev->func[1]);
+
+	return 0;
+}
+
+int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev)
+{
+	brcmf_dbg(TRACE, "Entering\n");
+
+	sdio_claim_host(sdiodev->func[1]);
+	sdio_release_irq(sdiodev->func[1]);
+	sdio_release_host(sdiodev->func[1]);
+
+	return 0;
+}
+
+u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
+			 int *err)
+{
+	int status;
+	s32 retry = 0;
+	u8 data = 0;
+
+	do {
+		if (retry)	/* wait for 1 ms till bus get settled down */
+			udelay(1000);
+		status = brcmf_sdioh_request_byte(sdiodev, SDIOH_READ, fnc_num,
+						  addr, (u8 *) &data);
+	} while (status != 0
+		 && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
+	if (err)
+		*err = status;
+
+	brcmf_dbg(INFO, "fun = %d, addr = 0x%x, u8data = 0x%x\n",
+		  fnc_num, addr, data);
+
+	return data;
+}
+
+void
+brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
+		       u8 data, int *err)
+{
+	int status;
+	s32 retry = 0;
+
+	do {
+		if (retry)	/* wait for 1 ms till bus get settled down */
+			udelay(1000);
+		status = brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, fnc_num,
+						  addr, (u8 *) &data);
+	} while (status != 0
+		 && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
+	if (err)
+		*err = status;
+
+	brcmf_dbg(INFO, "fun = %d, addr = 0x%x, u8data = 0x%x\n",
+		  fnc_num, addr, data);
+}
+
+int
+brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
+{
+	int err = 0;
+	brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
+			 (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
+	if (!err)
+		brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
+				       SBSDIO_FUNC1_SBADDRMID,
+				       (address >> 16) & SBSDIO_SBADDRMID_MASK,
+				       &err);
+	if (!err)
+		brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
+				       SBSDIO_FUNC1_SBADDRHIGH,
+				       (address >> 24) & SBSDIO_SBADDRHIGH_MASK,
+				       &err);
+
+	return err;
+}
+
+u32 brcmf_sdcard_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size)
+{
+	int status;
+	u32 word = 0;
+	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
+
+	brcmf_dbg(INFO, "fun = 1, addr = 0x%x\n", addr);
+
+	if (bar0 != sdiodev->sbwad) {
+		if (brcmf_sdcard_set_sbaddr_window(sdiodev, bar0))
+			return 0xFFFFFFFF;
+
+		sdiodev->sbwad = bar0;
+	}
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	if (size == 4)
+		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	status = brcmf_sdioh_request_word(sdiodev, SDIOH_READ, SDIO_FUNC_1,
+					  addr, &word, size);
+
+	sdiodev->regfail = (status != 0);
+
+	brcmf_dbg(INFO, "u32data = 0x%x\n", word);
+
+	/* if ok, return appropriately masked word */
+	if (status == 0) {
+		switch (size) {
+		case sizeof(u8):
+			return word & 0xff;
+		case sizeof(u16):
+			return word & 0xffff;
+		case sizeof(u32):
+			return word;
+		default:
+			sdiodev->regfail = true;
+
+		}
+	}
+
+	/* otherwise, bad sdio access or invalid size */
+	brcmf_dbg(ERROR, "error reading addr 0x%04x size %d\n", addr, size);
+	return 0xFFFFFFFF;
+}
+
+u32 brcmf_sdcard_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size,
+			   u32 data)
+{
+	int status;
+	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
+	int err = 0;
+
+	brcmf_dbg(INFO, "fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
+		  addr, size * 8, data);
+
+	if (bar0 != sdiodev->sbwad) {
+		err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0);
+		if (err)
+			return err;
+
+		sdiodev->sbwad = bar0;
+	}
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	if (size == 4)
+		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+	status =
+	    brcmf_sdioh_request_word(sdiodev, SDIOH_WRITE, SDIO_FUNC_1,
+				     addr, &data, size);
+	sdiodev->regfail = (status != 0);
+
+	if (status == 0)
+		return 0;
+
+	brcmf_dbg(ERROR, "