Commit 5b435de0 authored by Arend van Spriel's avatar Arend van Spriel Committed by John W. Linville
Browse files

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: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5f68a2b0
......@@ -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"
......
......@@ -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/
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.
#
# 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/
#
# 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__
/*
* 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_ */
/*
* 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, "error writing 0x%08x to addr 0x%04x size %d\n",
data, addr, size);
return 0xFFFFFFFF;
}
bool brcmf_sdcard_regfail(struct brcmf_sdio_dev *sdiodev)
{
return sdiodev->regfail;
}
int
brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags,
u8 *buf, uint nbytes, struct sk_buff *pkt)
{
int status;
uint incr_fix;
uint width;
uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
int err = 0;
brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", fn, addr, nbytes);
/* Async not implemented yet */
if (flags & SDIO_REQ_ASYNC)
return -ENOTSUPP;
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;
incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
if (width == 4)
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
status = brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_READ,
fn, addr, width, nbytes, buf, pkt);
return status;
}
int
brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt)
{
uint incr_fix;
uint width;
uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
int err = 0;
brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", fn, addr, nbytes);
/* Async not implemented yet */
if (flags & SDIO_REQ_ASYNC)
return -ENOTSUPP;
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;
incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
if (width == 4)
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
return brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_WRITE, fn,
addr, width, nbytes, buf, pkt);
}
int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr,
u8 *buf, uint nbytes)
{
addr &= SBSDIO_SB_OFT_ADDR_MASK;
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
return brcmf_sdioh_request_buffer(sdiodev, SDIOH_DATA_INC,
(rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
addr, 4, nbytes, buf, NULL);
}
int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn)
{
char t_func = (char)fn;
brcmf_dbg(TRACE, "Enter\n");
/* issue abort cmd52 command through F0 */
brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, SDIO_FUNC_0,
SDIO_CCCR_ABORT, &t_func);
brcmf_dbg(TRACE, "Exit\n");
return 0;
}
int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
{
u32 regs = 0;
int ret = 0;
ret = brcmf_sdioh_attach(sdiodev);
if (ret)
goto out;
regs = SI_ENUM_BASE;
/* Report the BAR, to fix if needed */
sdiodev->sbwad = SI_ENUM_BASE;
/* try to attach to the target device */
sdiodev->bus = brcmf_sdbrcm_probe(0, 0, 0, 0, regs, sdiodev);
if (!sdiodev->bus) {
brcmf_dbg(ERROR, "device attach failed\n");
ret = -ENODEV;
goto out;
}
out:
if (ret)
brcmf_sdio_remove(sdiodev);
return ret;
}
EXPORT_SYMBOL(brcmf_sdio_probe);
int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
{
if (sdiodev->bus) {
brcmf_sdbrcm_disconnect(sdiodev->bus);
sdiodev->bus = NULL;
}
brcmf_sdioh_detach(sdiodev);
sdiodev->sbwad = 0;
return 0;
}
EXPORT_SYMBOL(brcmf_sdio_remove);
void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
{
if (enable)
brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
else
brcmf_sdbrcm_wd_timer(sdiodev->bus, 0);
}
/*
* 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.
*/
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/mmc/sdio.h>
#include <linux/mmc/core.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/card.h>
#include <linux/suspend.h>
#include <linux/errno.h>
#include <linux/sched.h> /* request_irq() */
#include <net/cfg80211.h>
#include <defs.h>
#include <brcm_hw_ids.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include "sdio_host.h"
#include "dhd.h"
#include "dhd_dbg.h"
#include "wl_cfg80211.h"
#define SDIO_VENDOR_ID_BROADCOM 0x02d0
#define DMA_ALIGN_MASK 0x03
#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329
#define SDIO_FUNC1_BLOCKSIZE 64
#define SDIO_FUNC2_BLOCKSIZE 512
/* devices we support, null terminated */
static const struct sdio_device_id brcmf_sdmmc_ids[] = {
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
static bool
brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
{
bool is_err = false;
#ifdef CONFIG_PM_SLEEP
is_err = atomic_read(&sdiodev->suspend);
#endif
return is_err;
}
static void
brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq)
{
#ifdef CONFIG_PM_SLEEP
int retry = 0;
while (atomic_read(&sdiodev->suspend) && retry++ != 30)
wait_event_timeout(*wq, false, HZ/100);
#endif
}
static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
uint regaddr, u8 *byte)
{
struct sdio_func *sdfunc = sdiodev->func[0];
int err_ret;
/*
* Can only directly write to some F0 registers.
* Handle F2 enable/disable and Abort command
* as a special case.
*/
if (regaddr == SDIO_CCCR_IOEx) {
sdfunc = sdiodev->func[2];
if (sdfunc) {
sdio_claim_host(sdfunc);
if (*byte & SDIO_FUNC_ENABLE_2) {
/* Enable Function 2 */
err_ret = sdio_enable_func(sdfunc);
if (err_ret)
brcmf_dbg(ERROR,
"enable F2 failed:%d\n",
err_ret);
} else {