nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Initial commit; kernel source import

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Nathan
2025-04-06 23:50:55 -05:00
commit 25c6d769f4
45093 changed files with 18199410 additions and 0 deletions
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45
drivers/net/wireless/brcm80211/brcmfmac/Makefile Normal file
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#
# 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
ccflags-y += -D__CHECK_ENDIAN__
obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
brcmfmac-objs += \
wl_cfg80211.o \
fwil.o \
fweh.o \
fwsignal.o \
p2p.o \
dhd_cdc.o \
dhd_common.o \
dhd_linux.o \
btcoex.o
brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \
dhd_sdio.o \
bcmsdh.o \
bcmsdh_sdmmc.o \
sdio_chip.o
brcmfmac-$(CONFIG_BRCMFMAC_USB) += \
usb.o
brcmfmac-$(CONFIG_BRCMDBG) += \
dhd_dbg.o
brcmfmac-$(CONFIG_BRCM_TRACING) += \
tracepoint.o

600
drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c Normal file
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/*
* 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/export.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 <linux/platform_data/brcmfmac-sdio.h>
#include <defs.h>
#include <brcm_hw_ids.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include <soc.h>
#include "dhd_bus.h"
#include "dhd_dbg.h"
#include "sdio_host.h"
#define SDIOH_API_ACCESS_RETRY_LIMIT 2
static irqreturn_t brcmf_sdio_oob_irqhandler(int irq, void *dev_id)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev_id);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
brcmf_dbg(INTR, "OOB intr triggered\n");
/* out-of-band interrupt is level-triggered which won't
* be cleared until dpc
*/
if (sdiodev->irq_en) {
disable_irq_nosync(irq);
sdiodev->irq_en = false;
}
brcmf_sdbrcm_isr(sdiodev->bus);
return IRQ_HANDLED;
}
static void brcmf_sdio_ib_irqhandler(struct sdio_func *func)
{
struct brcmf_bus *bus_if = dev_get_drvdata(&func->dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
brcmf_dbg(INTR, "IB intr triggered\n");
brcmf_sdbrcm_isr(sdiodev->bus);
}
/* dummy handler for SDIO function 2 interrupt */
static void brcmf_sdio_dummy_irqhandler(struct sdio_func *func)
{
}
int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
{
int ret = 0;
u8 data;
unsigned long flags;
if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) {
brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n",
sdiodev->pdata->oob_irq_nr);
ret = request_irq(sdiodev->pdata->oob_irq_nr,
brcmf_sdio_oob_irqhandler,
sdiodev->pdata->oob_irq_flags,
"brcmf_oob_intr",
&sdiodev->func[1]->dev);
if (ret != 0) {
brcmf_err("request_irq failed %d\n", ret);
return ret;
}
sdiodev->oob_irq_requested = true;
spin_lock_init(&sdiodev->irq_en_lock);
spin_lock_irqsave(&sdiodev->irq_en_lock, flags);
sdiodev->irq_en = true;
spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags);
ret = enable_irq_wake(sdiodev->pdata->oob_irq_nr);
if (ret != 0) {
brcmf_err("enable_irq_wake failed %d\n", ret);
return ret;
}
sdiodev->irq_wake = true;
sdio_claim_host(sdiodev->func[1]);
/* must configure SDIO_CCCR_IENx to enable irq */
data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret);
data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret);
/* redirect, configure and enable io for interrupt signal */
data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE;
if (sdiodev->pdata->oob_irq_flags & IRQF_TRIGGER_HIGH)
data |= SDIO_SEPINT_ACT_HI;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret);
sdio_release_host(sdiodev->func[1]);
} else {
brcmf_dbg(SDIO, "Entering\n");
sdio_claim_host(sdiodev->func[1]);
sdio_claim_irq(sdiodev->func[1], brcmf_sdio_ib_irqhandler);
sdio_claim_irq(sdiodev->func[2], brcmf_sdio_dummy_irqhandler);
sdio_release_host(sdiodev->func[1]);
}
return 0;
}
int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
{
brcmf_dbg(SDIO, "Entering\n");
if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) {
sdio_claim_host(sdiodev->func[1]);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL);
sdio_release_host(sdiodev->func[1]);
if (sdiodev->oob_irq_requested) {
sdiodev->oob_irq_requested = false;
if (sdiodev->irq_wake) {
disable_irq_wake(sdiodev->pdata->oob_irq_nr);
sdiodev->irq_wake = false;
}
free_irq(sdiodev->pdata->oob_irq_nr,
&sdiodev->func[1]->dev);
sdiodev->irq_en = false;
}
} else {
sdio_claim_host(sdiodev->func[1]);
sdio_release_irq(sdiodev->func[2]);
sdio_release_irq(sdiodev->func[1]);
sdio_release_host(sdiodev->func[1]);
}
return 0;
}
int
brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
{
int err = 0, i;
u8 addr[3];
s32 retry;
addr[0] = (address >> 8) & SBSDIO_SBADDRLOW_MASK;
addr[1] = (address >> 16) & SBSDIO_SBADDRMID_MASK;
addr[2] = (address >> 24) & SBSDIO_SBADDRHIGH_MASK;
for (i = 0; i < 3; i++) {
retry = 0;
do {
if (retry)
usleep_range(1000, 2000);
err = brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE,
SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW + i,
&addr[i]);
} while (err != 0 && retry++ < SDIOH_API_ACCESS_RETRY_LIMIT);
if (err) {
brcmf_err("failed at addr:0x%0x\n",
SBSDIO_FUNC1_SBADDRLOW + i);
break;
}
}
return err;
}
int
brcmf_sdio_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr,
void *data, bool write)
{
u8 func_num, reg_size;
u32 bar;
s32 retry = 0;
int ret;
/*
* figure out how to read the register based on address range
* 0x00 ~ 0x7FF: function 0 CCCR and FBR
* 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers
* The rest: function 1 silicon backplane core registers
*/
if ((addr & ~REG_F0_REG_MASK) == 0) {
func_num = SDIO_FUNC_0;
reg_size = 1;
} else if ((addr & ~REG_F1_MISC_MASK) == 0) {
func_num = SDIO_FUNC_1;
reg_size = 1;
} else {
func_num = SDIO_FUNC_1;
reg_size = 4;
/* Set the window for SB core register */
bar = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
if (bar != sdiodev->sbwad) {
ret = brcmf_sdcard_set_sbaddr_window(sdiodev, bar);
if (ret != 0) {
memset(data, 0xFF, reg_size);
return ret;
}
sdiodev->sbwad = bar;
}
addr &= SBSDIO_SB_OFT_ADDR_MASK;
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
}
do {
if (!write)
memset(data, 0, reg_size);
if (retry) /* wait for 1 ms till bus get settled down */
usleep_range(1000, 2000);
if (reg_size == 1)
ret = brcmf_sdioh_request_byte(sdiodev, write,
func_num, addr, data);
else
ret = brcmf_sdioh_request_word(sdiodev, write,
func_num, addr, data, 4);
} while (ret != 0 && retry++ < SDIOH_API_ACCESS_RETRY_LIMIT);
if (ret != 0)
brcmf_err("failed with %d\n", ret);
return ret;
}
u8 brcmf_sdio_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
{
u8 data;
int retval;
brcmf_dbg(SDIO, "addr:0x%08x\n", addr);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, false);
brcmf_dbg(SDIO, "data:0x%02x\n", data);
if (ret)
*ret = retval;
return data;
}
u32 brcmf_sdio_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
{
u32 data;
int retval;
brcmf_dbg(SDIO, "addr:0x%08x\n", addr);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, false);
brcmf_dbg(SDIO, "data:0x%08x\n", data);
if (ret)
*ret = retval;
return data;
}
void brcmf_sdio_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr,
u8 data, int *ret)
{
int retval;
brcmf_dbg(SDIO, "addr:0x%08x, data:0x%02x\n", addr, data);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, true);
if (ret)
*ret = retval;
}
void brcmf_sdio_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr,
u32 data, int *ret)
{
int retval;
brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, true);
if (ret)
*ret = retval;
}
static int brcmf_sdcard_recv_prepare(struct brcmf_sdio_dev *sdiodev, uint fn,
uint flags, uint width, u32 *addr)
{
uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK;
int err = 0;
/* 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;
if (width == 4)
*addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
return 0;
}
int
brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, u8 *buf, uint nbytes)
{
struct sk_buff *mypkt;
int err;
mypkt = brcmu_pkt_buf_get_skb(nbytes);
if (!mypkt) {
brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
nbytes);
return -EIO;
}
err = brcmf_sdcard_recv_pkt(sdiodev, addr, fn, flags, mypkt);
if (!err)
memcpy(buf, mypkt->data, nbytes);
brcmu_pkt_buf_free_skb(mypkt);
return err;
}
int
brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, struct sk_buff *pkt)
{
uint incr_fix;
uint width;
int err = 0;
brcmf_dbg(SDIO, "fun = %d, addr = 0x%x, size = %d\n",
fn, addr, pkt->len);
width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
err = brcmf_sdcard_recv_prepare(sdiodev, fn, flags, width, &addr);
if (err)
goto done;
incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
err = brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_READ,
fn, addr, pkt);
done:
return err;
}
int brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, struct sk_buff_head *pktq)
{
uint incr_fix;
uint width;
int err = 0;
brcmf_dbg(SDIO, "fun = %d, addr = 0x%x, size = %d\n",
fn, addr, pktq->qlen);
width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
err = brcmf_sdcard_recv_prepare(sdiodev, fn, flags, width, &addr);
if (err)
goto done;
incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
err = brcmf_sdioh_request_chain(sdiodev, incr_fix, SDIOH_READ, fn, addr,
pktq);
done:
return err;
}
int
brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, u8 *buf, uint nbytes)
{
struct sk_buff *mypkt;
int err;
mypkt = brcmu_pkt_buf_get_skb(nbytes);
if (!mypkt) {
brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
nbytes);
return -EIO;
}
memcpy(mypkt->data, buf, nbytes);
err = brcmf_sdcard_send_pkt(sdiodev, addr, fn, flags, mypkt);
brcmu_pkt_buf_free_skb(mypkt);
return err;
}
int
brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, struct sk_buff *pkt)
{
uint incr_fix;
uint width;
uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
int err = 0;
brcmf_dbg(SDIO, "fun = %d, addr = 0x%x, size = %d\n",
fn, addr, pkt->len);
/* 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)
goto done;
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;
err = brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_WRITE, fn,
addr, pkt);
done:
return err;
}
int
brcmf_sdio_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address,
u8 *data, uint size)
{
int bcmerror = 0;
struct sk_buff *pkt;
u32 sdaddr;
uint dsize;
dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size);
pkt = dev_alloc_skb(dsize);
if (!pkt) {
brcmf_err("dev_alloc_skb failed: len %d\n", dsize);
return -EIO;
}
pkt->priority = 0;
/* Determine initial transfer parameters */
sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK;
if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK)
dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr);
else
dsize = size;
sdio_claim_host(sdiodev->func[1]);
/* Do the transfer(s) */
while (size) {
/* Set the backplane window to include the start address */
bcmerror = brcmf_sdcard_set_sbaddr_window(sdiodev, address);
if (bcmerror)
break;
brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n",
write ? "write" : "read", dsize,
sdaddr, address & SBSDIO_SBWINDOW_MASK);
sdaddr &= SBSDIO_SB_OFT_ADDR_MASK;
sdaddr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
skb_put(pkt, dsize);
if (write)
memcpy(pkt->data, data, dsize);
bcmerror = brcmf_sdioh_request_buffer(sdiodev, SDIOH_DATA_INC,
write, SDIO_FUNC_1,
sdaddr, pkt);
if (bcmerror) {
brcmf_err("membytes transfer failed\n");
break;
}
if (!write)
memcpy(data, pkt->data, dsize);
skb_trim(pkt, dsize);
/* Adjust for next transfer (if any) */
size -= dsize;
if (size) {
data += dsize;
address += dsize;
sdaddr = 0;
dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size);
}
}
dev_kfree_skb(pkt);
/* Return the window to backplane enumeration space for core access */
if (brcmf_sdcard_set_sbaddr_window(sdiodev, sdiodev->sbwad))
brcmf_err("FAILED to set window back to 0x%x\n",
sdiodev->sbwad);
sdio_release_host(sdiodev->func[1]);
return bcmerror;
}
int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn)
{
char t_func = (char)fn;
brcmf_dbg(SDIO, "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(SDIO, "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;
/* try to attach to the target device */
sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev);
if (!sdiodev->bus) {
brcmf_err("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)
{
sdiodev->bus_if->state = BRCMF_BUS_DOWN;
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);
}

635
drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c Normal file
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@@ -0,0 +1,635 @@
/*
* 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 <linux/module.h>
#include <linux/platform_device.h>
#include <linux/platform_data/brcmfmac-sdio.h>
#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_dbg.h"
#include "dhd_bus.h"
#define SDIO_VENDOR_ID_BROADCOM 0x02d0
#define DMA_ALIGN_MASK 0x03
#define SDIO_DEVICE_ID_BROADCOM_43143 43143
#define SDIO_DEVICE_ID_BROADCOM_43241 0x4324
#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329
#define SDIO_DEVICE_ID_BROADCOM_4330 0x4330
#define SDIO_DEVICE_ID_BROADCOM_4334 0x4334
#define SDIO_DEVICE_ID_BROADCOM_4335 0x4335
#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_43143)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)},
{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4335)},
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata;
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) {
if (*byte & SDIO_FUNC_ENABLE_2) {
/* Enable Function 2 */
err_ret = sdio_enable_func(sdfunc);
if (err_ret)
brcmf_err("enable F2 failed:%d\n",
err_ret);
} else {
/* Disable Function 2 */
err_ret = sdio_disable_func(sdfunc);
if (err_ret)
brcmf_err("Disable F2 failed:%d\n",
err_ret);
}
}
} else if ((regaddr == SDIO_CCCR_ABORT) ||
(regaddr == SDIO_CCCR_IENx)) {
sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
GFP_KERNEL);
if (!sdfunc)
return -ENOMEM;
sdfunc->num = 0;
sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
kfree(sdfunc);
} else if (regaddr < 0xF0) {
brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
err_ret = -EPERM;
} else {
sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
}
return err_ret;
}
int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
uint regaddr, u8 *byte)
{
int err_ret;
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw && func == 0) {
/* handle F0 separately */
err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
} else {
if (rw) /* CMD52 Write */
sdio_writeb(sdiodev->func[func], *byte, regaddr,
&err_ret);
else if (func == 0) {
*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
&err_ret);
} else {
*byte = sdio_readb(sdiodev->func[func], regaddr,
&err_ret);
}
}
if (err_ret)
brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
rw ? "write" : "read", func, regaddr, *byte, err_ret);
return err_ret;
}
int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
uint rw, uint func, uint addr, u32 *word,
uint nbytes)
{
int err_ret = -EIO;
if (func == 0) {
brcmf_err("Only CMD52 allowed to F0\n");
return -EINVAL;
}
brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
rw, func, addr, nbytes);
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw) { /* CMD52 Write */
if (nbytes == 4)
sdio_writel(sdiodev->func[func], *word, addr,
&err_ret);
else if (nbytes == 2)
sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
addr, &err_ret);
else
brcmf_err("Invalid nbytes: %d\n", nbytes);
} else { /* CMD52 Read */
if (nbytes == 4)
*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
else if (nbytes == 2)
*word = sdio_readw(sdiodev->func[func], addr,
&err_ret) & 0xFFFF;
else
brcmf_err("Invalid nbytes: %d\n", nbytes);
}
if (err_ret)
brcmf_err("Failed to %s word, Err: 0x%08x\n",
rw ? "write" : "read", err_ret);
return err_ret;
}
/* precondition: host controller is claimed */
static int
brcmf_sdioh_request_data(struct brcmf_sdio_dev *sdiodev, uint write, bool fifo,
uint func, uint addr, struct sk_buff *pkt, uint pktlen)
{
int err_ret = 0;
if ((write) && (!fifo)) {
err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
((u8 *) (pkt->data)), pktlen);
} else if (write) {
err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
((u8 *) (pkt->data)), pktlen);
} else if (fifo) {
err_ret = sdio_readsb(sdiodev->func[func],
((u8 *) (pkt->data)), addr, pktlen);
} else {
err_ret = sdio_memcpy_fromio(sdiodev->func[func],
((u8 *) (pkt->data)),
addr, pktlen);
}
return err_ret;
}
/*
* This function takes a queue of packets. The packets on the queue
* are assumed to be properly aligned by the caller.
*/
int
brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
uint write, uint func, uint addr,
struct sk_buff_head *pktq)
{
bool fifo = (fix_inc == SDIOH_DATA_FIX);
u32 SGCount = 0;
int err_ret = 0;
struct sk_buff *pkt;
brcmf_dbg(SDIO, "Enter\n");
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_chain_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
skb_queue_walk(pktq, pkt) {
uint pkt_len = pkt->len;
pkt_len += 3;
pkt_len &= 0xFFFFFFFC;
err_ret = brcmf_sdioh_request_data(sdiodev, write, fifo, func,
addr, pkt, pkt_len);
if (err_ret) {
brcmf_err("%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
write ? "TX" : "RX", pkt, SGCount, addr,
pkt_len, err_ret);
} else {
brcmf_dbg(SDIO, "%s xfr'd %p[%d], addr=0x%05x, len=%d\n",
write ? "TX" : "RX", pkt, SGCount, addr,
pkt_len);
}
if (!fifo)
addr += pkt_len;
SGCount++;
}
brcmf_dbg(SDIO, "Exit\n");
return err_ret;
}
/*
* This function takes a single DMA-able packet.
*/
int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
uint fix_inc, uint write, uint func, uint addr,
struct sk_buff *pkt)
{
int status;
uint pkt_len;
bool fifo = (fix_inc == SDIOH_DATA_FIX);
brcmf_dbg(SDIO, "Enter\n");
if (pkt == NULL)
return -EINVAL;
pkt_len = pkt->len;
brcmf_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
pkt_len += 3;
pkt_len &= (uint)~3;
status = brcmf_sdioh_request_data(sdiodev, write, fifo, func,
addr, pkt, pkt_len);
if (status) {
brcmf_err("%s FAILED %p, addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
write ? "TX" : "RX", pkt, addr, pkt_len, status);
} else {
brcmf_dbg(SDIO, "%s xfr'd %p, addr=0x%05x, len=%d\n",
write ? "TX" : "RX", pkt, addr, pkt_len);
}
return status;
}
static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
{
/* read 24 bits and return valid 17 bit addr */
int i, ret;
u32 scratch, regdata;
__le32 scratch_le;
u8 *ptr = (u8 *)&scratch_le;
for (i = 0; i < 3; i++) {
regdata = brcmf_sdio_regrl(sdiodev, regaddr, &ret);
if (ret != 0)
brcmf_err("Can't read!\n");
*ptr++ = (u8) regdata;
regaddr++;
}
/* Only the lower 17-bits are valid */
scratch = le32_to_cpu(scratch_le);
scratch &= 0x0001FFFF;
return scratch;
}
static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
{
int err_ret;
u32 fbraddr;
u8 func;
brcmf_dbg(SDIO, "\n");
/* Get the Card's common CIS address */
sdiodev->func_cis_ptr[0] = brcmf_sdioh_get_cisaddr(sdiodev,
SDIO_CCCR_CIS);
brcmf_dbg(SDIO, "Card's Common CIS Ptr = 0x%x\n",
sdiodev->func_cis_ptr[0]);
/* Get the Card's function CIS (for each function) */
for (fbraddr = SDIO_FBR_BASE(1), func = 1;
func <= sdiodev->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) {
sdiodev->func_cis_ptr[func] =
brcmf_sdioh_get_cisaddr(sdiodev, SDIO_FBR_CIS + fbraddr);
brcmf_dbg(SDIO, "Function %d CIS Ptr = 0x%x\n",
func, sdiodev->func_cis_ptr[func]);
}
/* Enable Function 1 */
err_ret = sdio_enable_func(sdiodev->func[1]);
if (err_ret)
brcmf_err("Failed to enable F1 Err: 0x%08x\n", err_ret);
return false;
}
/*
* Public entry points & extern's
*/
int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
{
int err_ret = 0;
brcmf_dbg(SDIO, "\n");
sdiodev->num_funcs = 2;
sdio_claim_host(sdiodev->func[1]);
err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE);
if (err_ret) {
brcmf_err("Failed to set F1 blocksize\n");
goto out;
}
err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE);
if (err_ret) {
brcmf_err("Failed to set F2 blocksize\n");
goto out;
}
brcmf_sdioh_enablefuncs(sdiodev);
out:
sdio_release_host(sdiodev->func[1]);
brcmf_dbg(SDIO, "Done\n");
return err_ret;
}
void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
{
brcmf_dbg(SDIO, "\n");
/* Disable Function 2 */
sdio_claim_host(sdiodev->func[2]);
sdio_disable_func(sdiodev->func[2]);
sdio_release_host(sdiodev->func[2]);
/* Disable Function 1 */
sdio_claim_host(sdiodev->func[1]);
sdio_disable_func(sdiodev->func[1]);
sdio_release_host(sdiodev->func[1]);
}
static int brcmf_ops_sdio_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
int err;
struct brcmf_sdio_dev *sdiodev;
struct brcmf_bus *bus_if;
brcmf_dbg(SDIO, "Enter\n");
brcmf_dbg(SDIO, "Class=%x\n", func->class);
brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor);
brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device);
brcmf_dbg(SDIO, "Function#: %d\n", func->num);
/* Consume func num 1 but dont do anything with it. */
if (func->num == 1)
return 0;
/* Ignore anything but func 2 */
if (func->num != 2)
return -ENODEV;
bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL);
if (!bus_if)
return -ENOMEM;
sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
if (!sdiodev) {
kfree(bus_if);
return -ENOMEM;
}
sdiodev->func[0] = func->card->sdio_func[0];
sdiodev->func[1] = func->card->sdio_func[0];
sdiodev->func[2] = func;
sdiodev->bus_if = bus_if;
bus_if->bus_priv.sdio = sdiodev;
bus_if->align = BRCMF_SDALIGN;
dev_set_drvdata(&func->dev, bus_if);
dev_set_drvdata(&sdiodev->func[1]->dev, bus_if);
sdiodev->dev = &sdiodev->func[1]->dev;
sdiodev->pdata = brcmfmac_sdio_pdata;
atomic_set(&sdiodev->suspend, false);
init_waitqueue_head(&sdiodev->request_byte_wait);
init_waitqueue_head(&sdiodev->request_word_wait);
init_waitqueue_head(&sdiodev->request_chain_wait);
init_waitqueue_head(&sdiodev->request_buffer_wait);
brcmf_dbg(SDIO, "F2 found, calling brcmf_sdio_probe...\n");
err = brcmf_sdio_probe(sdiodev);
if (err) {
brcmf_err("F2 error, probe failed %d...\n", err);
goto fail;
}
brcmf_dbg(SDIO, "F2 init completed...\n");
return 0;
fail:
dev_set_drvdata(&func->dev, NULL);
dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
kfree(sdiodev);
kfree(bus_if);
return err;
}
static void brcmf_ops_sdio_remove(struct sdio_func *func)
{
struct brcmf_bus *bus_if;
struct brcmf_sdio_dev *sdiodev;
brcmf_dbg(SDIO, "Enter\n");
brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor);
brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device);
brcmf_dbg(SDIO, "Function: %d\n", func->num);
if (func->num != 1 && func->num != 2)
return;
bus_if = dev_get_drvdata(&func->dev);
if (bus_if) {
sdiodev = bus_if->bus_priv.sdio;
brcmf_sdio_remove(sdiodev);
dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
dev_set_drvdata(&sdiodev->func[2]->dev, NULL);
kfree(bus_if);
kfree(sdiodev);
}
brcmf_dbg(SDIO, "Exit\n");
}
#ifdef CONFIG_PM_SLEEP
static int brcmf_sdio_suspend(struct device *dev)
{
mmc_pm_flag_t sdio_flags;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
int ret = 0;
brcmf_dbg(SDIO, "\n");
atomic_set(&sdiodev->suspend, true);
sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
brcmf_err("Host can't keep power while suspended\n");
return -EINVAL;
}
ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
if (ret) {
brcmf_err("Failed to set pm_flags\n");
return ret;
}
brcmf_sdio_wdtmr_enable(sdiodev, false);
return ret;
}
static int brcmf_sdio_resume(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
brcmf_sdio_wdtmr_enable(sdiodev, true);
atomic_set(&sdiodev->suspend, false);
return 0;
}
static const struct dev_pm_ops brcmf_sdio_pm_ops = {
.suspend = brcmf_sdio_suspend,
.resume = brcmf_sdio_resume,
};
#endif /* CONFIG_PM_SLEEP */
static struct sdio_driver brcmf_sdmmc_driver = {
.probe = brcmf_ops_sdio_probe,
.remove = brcmf_ops_sdio_remove,
.name = BRCMFMAC_SDIO_PDATA_NAME,
.id_table = brcmf_sdmmc_ids,
#ifdef CONFIG_PM_SLEEP
.drv = {
.pm = &brcmf_sdio_pm_ops,
},
#endif /* CONFIG_PM_SLEEP */
};
static int brcmf_sdio_pd_probe(struct platform_device *pdev)
{
brcmf_dbg(SDIO, "Enter\n");
brcmfmac_sdio_pdata = pdev->dev.platform_data;
if (brcmfmac_sdio_pdata->power_on)
brcmfmac_sdio_pdata->power_on();
return 0;
}
static int brcmf_sdio_pd_remove(struct platform_device *pdev)
{
brcmf_dbg(SDIO, "Enter\n");
if (brcmfmac_sdio_pdata->power_off)
brcmfmac_sdio_pdata->power_off();
sdio_unregister_driver(&brcmf_sdmmc_driver);
return 0;
}
static struct platform_driver brcmf_sdio_pd = {
.remove = brcmf_sdio_pd_remove,
.driver = {
.name = BRCMFMAC_SDIO_PDATA_NAME
}
};
void brcmf_sdio_register(void)
{
int ret;
ret = sdio_register_driver(&brcmf_sdmmc_driver);
if (ret)
brcmf_err("sdio_register_driver failed: %d\n", ret);
}
void brcmf_sdio_exit(void)
{
brcmf_dbg(SDIO, "Enter\n");
if (brcmfmac_sdio_pdata)
platform_driver_unregister(&brcmf_sdio_pd);
else
sdio_unregister_driver(&brcmf_sdmmc_driver);
}
void __init brcmf_sdio_init(void)
{
int ret;
brcmf_dbg(SDIO, "Enter\n");
ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe);
if (ret == -ENODEV)
brcmf_dbg(SDIO, "No platform data available.\n");
}

497
drivers/net/wireless/brcm80211/brcmfmac/btcoex.c Normal file
View File

@@ -0,0 +1,497 @@
/*
* Copyright (c) 2013 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/slab.h>
#include <linux/netdevice.h>
#include <net/cfg80211.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include <defs.h>
#include <dhd.h>
#include <dhd_dbg.h>
#include "fwil.h"
#include "fwil_types.h"
#include "btcoex.h"
#include "p2p.h"
#include "wl_cfg80211.h"
/* T1 start SCO/eSCO priority suppression */
#define BRCMF_BTCOEX_OPPR_WIN_TIME 2000
/* BT registers values during DHCP */
#define BRCMF_BT_DHCP_REG50 0x8022
#define BRCMF_BT_DHCP_REG51 0
#define BRCMF_BT_DHCP_REG64 0
#define BRCMF_BT_DHCP_REG65 0
#define BRCMF_BT_DHCP_REG71 0
#define BRCMF_BT_DHCP_REG66 0x2710
#define BRCMF_BT_DHCP_REG41 0x33
#define BRCMF_BT_DHCP_REG68 0x190
/* number of samples for SCO detection */
#define BRCMF_BT_SCO_SAMPLES 12
/**
* enum brcmf_btcoex_state - BT coex DHCP state machine states
* @BRCMF_BT_DHCP_IDLE: DCHP is idle
* @BRCMF_BT_DHCP_START: DHCP started, wait before
* boosting wifi priority
* @BRCMF_BT_DHCP_OPPR_WIN: graceful DHCP opportunity ended,
* boost wifi priority
* @BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: wifi priority boost end,
* restore defaults
*/
enum brcmf_btcoex_state {
BRCMF_BT_DHCP_IDLE,
BRCMF_BT_DHCP_START,
BRCMF_BT_DHCP_OPPR_WIN,
BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT
};
/**
* struct brcmf_btcoex_info - BT coex related information
* @vif: interface for which request was done.
* @timer: timer for DHCP state machine
* @timeout: configured timeout.
* @timer_on: DHCP timer active
* @dhcp_done: DHCP finished before T1/T2 timer expiration
* @bt_state: DHCP state machine state
* @work: DHCP state machine work
* @cfg: driver private data for cfg80211 interface
* @reg66: saved value of btc_params 66
* @reg41: saved value of btc_params 41
* @reg68: saved value of btc_params 68
* @saved_regs_part1: flag indicating regs 66,41,68
* have been saved
* @reg51: saved value of btc_params 51
* @reg64: saved value of btc_params 64
* @reg65: saved value of btc_params 65
* @reg71: saved value of btc_params 71
* @saved_regs_part1: flag indicating regs 50,51,64,65,71
* have been saved
*/
struct brcmf_btcoex_info {
struct brcmf_cfg80211_vif *vif;
struct timer_list timer;
u16 timeout;
bool timer_on;
bool dhcp_done;
enum brcmf_btcoex_state bt_state;
struct work_struct work;
struct brcmf_cfg80211_info *cfg;
u32 reg66;
u32 reg41;
u32 reg68;
bool saved_regs_part1;
u32 reg50;
u32 reg51;
u32 reg64;
u32 reg65;
u32 reg71;
bool saved_regs_part2;
};
/**
* brcmf_btcoex_params_write() - write btc_params firmware variable
* @ifp: interface
* @addr: btc_params register number
* @data: data to write
*/
static s32 brcmf_btcoex_params_write(struct brcmf_if *ifp, u32 addr, u32 data)
{
struct {
__le32 addr;
__le32 data;
} reg_write;
reg_write.addr = cpu_to_le32(addr);
reg_write.data = cpu_to_le32(data);
return brcmf_fil_iovar_data_set(ifp, "btc_params",
&reg_write, sizeof(reg_write));
}
/**
* brcmf_btcoex_params_read() - read btc_params firmware variable
* @ifp: interface
* @addr: btc_params register number
* @data: read data
*/
static s32 brcmf_btcoex_params_read(struct brcmf_if *ifp, u32 addr, u32 *data)
{
*data = addr;
return brcmf_fil_iovar_int_get(ifp, "btc_params", data);
}
/**
* brcmf_btcoex_boost_wifi() - control BT SCO/eSCO parameters
* @btci: BT coex info
* @trump_sco:
* true - set SCO/eSCO parameters for compatibility
* during DHCP window
* false - restore saved parameter values
*
* Enhanced BT COEX settings for eSCO compatibility during DHCP window
*/
static void brcmf_btcoex_boost_wifi(struct brcmf_btcoex_info *btci,
bool trump_sco)
{
struct brcmf_if *ifp = btci->cfg->pub->iflist[0];
if (trump_sco && !btci->saved_regs_part2) {
/* this should reduce eSCO agressive
* retransmit w/o breaking it
*/
/* save current */
brcmf_dbg(TRACE, "new SCO/eSCO coex algo {save & override}\n");
brcmf_btcoex_params_read(ifp, 50, &btci->reg50);
brcmf_btcoex_params_read(ifp, 51, &btci->reg51);
brcmf_btcoex_params_read(ifp, 64, &btci->reg64);
brcmf_btcoex_params_read(ifp, 65, &btci->reg65);
brcmf_btcoex_params_read(ifp, 71, &btci->reg71);
btci->saved_regs_part2 = true;
brcmf_dbg(TRACE,
"saved bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n",
btci->reg50, btci->reg51, btci->reg64,
btci->reg65, btci->reg71);
/* pacify the eSco */
brcmf_btcoex_params_write(ifp, 50, BRCMF_BT_DHCP_REG50);
brcmf_btcoex_params_write(ifp, 51, BRCMF_BT_DHCP_REG51);
brcmf_btcoex_params_write(ifp, 64, BRCMF_BT_DHCP_REG64);
brcmf_btcoex_params_write(ifp, 65, BRCMF_BT_DHCP_REG65);
brcmf_btcoex_params_write(ifp, 71, BRCMF_BT_DHCP_REG71);
} else if (btci->saved_regs_part2) {
/* restore previously saved bt params */
brcmf_dbg(TRACE, "Do new SCO/eSCO coex algo {restore}\n");
brcmf_btcoex_params_write(ifp, 50, btci->reg50);
brcmf_btcoex_params_write(ifp, 51, btci->reg51);
brcmf_btcoex_params_write(ifp, 64, btci->reg64);
brcmf_btcoex_params_write(ifp, 65, btci->reg65);
brcmf_btcoex_params_write(ifp, 71, btci->reg71);
brcmf_dbg(TRACE,
"restored bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n",
btci->reg50, btci->reg51, btci->reg64,
btci->reg65, btci->reg71);
btci->saved_regs_part2 = false;
} else {
brcmf_err("attempted to restore not saved BTCOEX params\n");
}
}
/**
* brcmf_btcoex_is_sco_active() - check if SCO/eSCO is active
* @ifp: interface
*
* return: true if SCO/eSCO session is active
*/
static bool brcmf_btcoex_is_sco_active(struct brcmf_if *ifp)
{
int ioc_res = 0;
bool res = false;
int sco_id_cnt = 0;
u32 param27;
int i;
for (i = 0; i < BRCMF_BT_SCO_SAMPLES; i++) {
ioc_res = brcmf_btcoex_params_read(ifp, 27, &param27);
if (ioc_res < 0) {
brcmf_err("ioc read btc params error\n");
break;
}
brcmf_dbg(TRACE, "sample[%d], btc_params 27:%x\n", i, param27);
if ((param27 & 0x6) == 2) { /* count both sco & esco */
sco_id_cnt++;
}
if (sco_id_cnt > 2) {
brcmf_dbg(TRACE,
"sco/esco detected, pkt id_cnt:%d samples:%d\n",
sco_id_cnt, i);
res = true;
break;
}
}
brcmf_dbg(TRACE, "exit: result=%d\n", res);
return res;
}
/**
* btcmf_btcoex_save_part1() - save first step parameters.
*/
static void btcmf_btcoex_save_part1(struct brcmf_btcoex_info *btci)
{
struct brcmf_if *ifp = btci->vif->ifp;
if (!btci->saved_regs_part1) {
/* Retrieve and save original reg value */
brcmf_btcoex_params_read(ifp, 66, &btci->reg66);
brcmf_btcoex_params_read(ifp, 41, &btci->reg41);
brcmf_btcoex_params_read(ifp, 68, &btci->reg68);
btci->saved_regs_part1 = true;
brcmf_dbg(TRACE,
"saved btc_params regs (66,41,68) 0x%x 0x%x 0x%x\n",
btci->reg66, btci->reg41,
btci->reg68);
}
}
/**
* brcmf_btcoex_restore_part1() - restore first step parameters.
*/
static void brcmf_btcoex_restore_part1(struct brcmf_btcoex_info *btci)
{
struct brcmf_if *ifp;
if (btci->saved_regs_part1) {
btci->saved_regs_part1 = false;
ifp = btci->vif->ifp;
brcmf_btcoex_params_write(ifp, 66, btci->reg66);
brcmf_btcoex_params_write(ifp, 41, btci->reg41);
brcmf_btcoex_params_write(ifp, 68, btci->reg68);
brcmf_dbg(TRACE,
"restored btc_params regs {66,41,68} 0x%x 0x%x 0x%x\n",
btci->reg66, btci->reg41,
btci->reg68);
}
}
/**
* brcmf_btcoex_timerfunc() - BT coex timer callback
*/
static void brcmf_btcoex_timerfunc(ulong data)
{
struct brcmf_btcoex_info *bt_local = (struct brcmf_btcoex_info *)data;
brcmf_dbg(TRACE, "enter\n");
bt_local->timer_on = false;
schedule_work(&bt_local->work);
}
/**
* brcmf_btcoex_handler() - BT coex state machine work handler
* @work: work
*/
static void brcmf_btcoex_handler(struct work_struct *work)
{
struct brcmf_btcoex_info *btci;
btci = container_of(work, struct brcmf_btcoex_info, work);
if (btci->timer_on) {
btci->timer_on = false;
del_timer_sync(&btci->timer);
}
switch (btci->bt_state) {
case BRCMF_BT_DHCP_START:
/* DHCP started provide OPPORTUNITY window
to get DHCP address
*/
brcmf_dbg(TRACE, "DHCP started\n");
btci->bt_state = BRCMF_BT_DHCP_OPPR_WIN;
if (btci->timeout < BRCMF_BTCOEX_OPPR_WIN_TIME) {
mod_timer(&btci->timer, btci->timer.expires);
} else {
btci->timeout -= BRCMF_BTCOEX_OPPR_WIN_TIME;
mod_timer(&btci->timer,
jiffies +
msecs_to_jiffies(BRCMF_BTCOEX_OPPR_WIN_TIME));
}
btci->timer_on = true;
break;
case BRCMF_BT_DHCP_OPPR_WIN:
if (btci->dhcp_done) {
brcmf_dbg(TRACE, "DHCP done before T1 expiration\n");
goto idle;
}
/* DHCP is not over yet, start lowering BT priority */
brcmf_dbg(TRACE, "DHCP T1:%d expired\n",
BRCMF_BTCOEX_OPPR_WIN_TIME);
brcmf_btcoex_boost_wifi(btci, true);
btci->bt_state = BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT;
mod_timer(&btci->timer,
jiffies + msecs_to_jiffies(btci->timeout));
btci->timer_on = true;
break;
case BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT:
if (btci->dhcp_done)
brcmf_dbg(TRACE, "DHCP done before T2 expiration\n");
else
brcmf_dbg(TRACE, "DHCP T2:%d expired\n",
BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT);
goto idle;
default:
brcmf_err("invalid state=%d !!!\n", btci->bt_state);
goto idle;
}
return;
idle:
btci->bt_state = BRCMF_BT_DHCP_IDLE;
btci->timer_on = false;
brcmf_btcoex_boost_wifi(btci, false);
cfg80211_crit_proto_stopped(&btci->vif->wdev, GFP_KERNEL);
brcmf_btcoex_restore_part1(btci);
btci->vif = NULL;
}
/**
* brcmf_btcoex_attach() - initialize BT coex data
* @cfg: driver private cfg80211 data
*
* return: 0 on success
*/
int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg)
{
struct brcmf_btcoex_info *btci = NULL;
brcmf_dbg(TRACE, "enter\n");
btci = kmalloc(sizeof(struct brcmf_btcoex_info), GFP_KERNEL);
if (!btci)
return -ENOMEM;
btci->bt_state = BRCMF_BT_DHCP_IDLE;
/* Set up timer for BT */
btci->timer_on = false;
btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME;
init_timer(&btci->timer);
btci->timer.data = (ulong)btci;
btci->timer.function = brcmf_btcoex_timerfunc;
btci->cfg = cfg;
btci->saved_regs_part1 = false;
btci->saved_regs_part2 = false;
INIT_WORK(&btci->work, brcmf_btcoex_handler);
cfg->btcoex = btci;
return 0;
}
/**
* brcmf_btcoex_detach - clean BT coex data
* @cfg: driver private cfg80211 data
*/
void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg)
{
brcmf_dbg(TRACE, "enter\n");
if (!cfg->btcoex)
return;
if (cfg->btcoex->timer_on) {
cfg->btcoex->timer_on = false;
del_timer_sync(&cfg->btcoex->timer);
}
cancel_work_sync(&cfg->btcoex->work);
brcmf_btcoex_boost_wifi(cfg->btcoex, false);
brcmf_btcoex_restore_part1(cfg->btcoex);
kfree(cfg->btcoex);
cfg->btcoex = NULL;
}
static void brcmf_btcoex_dhcp_start(struct brcmf_btcoex_info *btci)
{
struct brcmf_if *ifp = btci->vif->ifp;
btcmf_btcoex_save_part1(btci);
/* set new regs values */
brcmf_btcoex_params_write(ifp, 66, BRCMF_BT_DHCP_REG66);
brcmf_btcoex_params_write(ifp, 41, BRCMF_BT_DHCP_REG41);
brcmf_btcoex_params_write(ifp, 68, BRCMF_BT_DHCP_REG68);
btci->dhcp_done = false;
btci->bt_state = BRCMF_BT_DHCP_START;
schedule_work(&btci->work);
brcmf_dbg(TRACE, "enable BT DHCP Timer\n");
}
static void brcmf_btcoex_dhcp_end(struct brcmf_btcoex_info *btci)
{
/* Stop any bt timer because DHCP session is done */
btci->dhcp_done = true;
if (btci->timer_on) {
brcmf_dbg(TRACE, "disable BT DHCP Timer\n");
btci->timer_on = false;
del_timer_sync(&btci->timer);
/* schedule worker if transition to IDLE is needed */
if (btci->bt_state != BRCMF_BT_DHCP_IDLE) {
brcmf_dbg(TRACE, "bt_state:%d\n",
btci->bt_state);
schedule_work(&btci->work);
}
} else {
/* Restore original values */
brcmf_btcoex_restore_part1(btci);
}
}
/**
* brcmf_btcoex_set_mode - set BT coex mode
* @cfg: driver private cfg80211 data
* @mode: Wifi-Bluetooth coexistence mode
*
* return: 0 on success
*/
int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif,
enum brcmf_btcoex_mode mode, u16 duration)
{
struct brcmf_cfg80211_info *cfg = wiphy_priv(vif->wdev.wiphy);
struct brcmf_btcoex_info *btci = cfg->btcoex;
struct brcmf_if *ifp = cfg->pub->iflist[0];
switch (mode) {
case BRCMF_BTCOEX_DISABLED:
brcmf_dbg(TRACE, "DHCP session starts\n");
if (btci->bt_state != BRCMF_BT_DHCP_IDLE)
return -EBUSY;
/* Start BT timer only for SCO connection */
if (brcmf_btcoex_is_sco_active(ifp)) {
btci->timeout = duration;
btci->vif = vif;
brcmf_btcoex_dhcp_start(btci);
}
break;
case BRCMF_BTCOEX_ENABLED:
brcmf_dbg(TRACE, "DHCP session ends\n");
if (btci->bt_state != BRCMF_BT_DHCP_IDLE &&
vif == btci->vif) {
brcmf_btcoex_dhcp_end(btci);
}
break;
default:
brcmf_dbg(TRACE, "Unknown mode, ignored\n");
}
return 0;
}

29
drivers/net/wireless/brcm80211/brcmfmac/btcoex.h Normal file
View File

@@ -0,0 +1,29 @@
/*
* Copyright (c) 2013 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 WL_BTCOEX_H_
#define WL_BTCOEX_H_
enum brcmf_btcoex_mode {
BRCMF_BTCOEX_DISABLED,
BRCMF_BTCOEX_ENABLED
};
int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg);
void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg);
int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif,
enum brcmf_btcoex_mode mode, u16 duration);
#endif /* WL_BTCOEX_H_ */

631
drivers/net/wireless/brcm80211/brcmfmac/dhd.h Normal file
View File

@@ -0,0 +1,631 @@
/*
* 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 types *
*/
#ifndef _BRCMF_H_
#define _BRCMF_H_
#define BRCMF_VERSION_STR "4.218.248.5"
#include "fweh.h"
/*******************************************************************************
* IO codes that are interpreted by dongle firmware
******************************************************************************/
#define BRCMF_C_GET_VERSION 1
#define BRCMF_C_UP 2
#define BRCMF_C_DOWN 3
#define BRCMF_C_SET_PROMISC 10
#define BRCMF_C_GET_RATE 12
#define BRCMF_C_GET_INFRA 19
#define BRCMF_C_SET_INFRA 20
#define BRCMF_C_GET_AUTH 21
#define BRCMF_C_SET_AUTH 22
#define BRCMF_C_GET_BSSID 23
#define BRCMF_C_GET_SSID 25
#define BRCMF_C_SET_SSID 26
#define BRCMF_C_TERMINATED 28
#define BRCMF_C_GET_CHANNEL 29
#define BRCMF_C_SET_CHANNEL 30
#define BRCMF_C_GET_SRL 31
#define BRCMF_C_SET_SRL 32
#define BRCMF_C_GET_LRL 33
#define BRCMF_C_SET_LRL 34
#define BRCMF_C_GET_RADIO 37
#define BRCMF_C_SET_RADIO 38
#define BRCMF_C_GET_PHYTYPE 39
#define BRCMF_C_SET_KEY 45
#define BRCMF_C_SET_PASSIVE_SCAN 49
#define BRCMF_C_SCAN 50
#define BRCMF_C_SCAN_RESULTS 51
#define BRCMF_C_DISASSOC 52
#define BRCMF_C_REASSOC 53
#define BRCMF_C_SET_ROAM_TRIGGER 55
#define BRCMF_C_SET_ROAM_DELTA 57
#define BRCMF_C_GET_BCNPRD 75
#define BRCMF_C_SET_BCNPRD 76
#define BRCMF_C_GET_DTIMPRD 77
#define BRCMF_C_SET_DTIMPRD 78
#define BRCMF_C_SET_COUNTRY 84
#define BRCMF_C_GET_PM 85
#define BRCMF_C_SET_PM 86
#define BRCMF_C_GET_CURR_RATESET 114
#define BRCMF_C_GET_AP 117
#define BRCMF_C_SET_AP 118
#define BRCMF_C_GET_RSSI 127
#define BRCMF_C_GET_WSEC 133
#define BRCMF_C_SET_WSEC 134
#define BRCMF_C_GET_PHY_NOISE 135
#define BRCMF_C_GET_BSS_INFO 136
#define BRCMF_C_GET_BANDLIST 140
#define BRCMF_C_SET_SCB_TIMEOUT 158
#define BRCMF_C_GET_PHYLIST 180
#define BRCMF_C_SET_SCAN_CHANNEL_TIME 185
#define BRCMF_C_SET_SCAN_UNASSOC_TIME 187
#define BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON 201
#define BRCMF_C_GET_VALID_CHANNELS 217
#define BRCMF_C_GET_KEY_PRIMARY 235
#define BRCMF_C_SET_KEY_PRIMARY 236
#define BRCMF_C_SET_SCAN_PASSIVE_TIME 258
#define BRCMF_C_GET_VAR 262
#define BRCMF_C_SET_VAR 263
/* phy types (returned by WLC_GET_PHYTPE) */
#define WLC_PHY_TYPE_A 0
#define WLC_PHY_TYPE_B 1
#define WLC_PHY_TYPE_G 2
#define WLC_PHY_TYPE_N 4
#define WLC_PHY_TYPE_LP 5
#define WLC_PHY_TYPE_SSN 6
#define WLC_PHY_TYPE_HT 7
#define WLC_PHY_TYPE_LCN 8
#define WLC_PHY_TYPE_NULL 0xf
#define BRCMF_EVENTING_MASK_LEN 16
#define TOE_TX_CSUM_OL 0x00000001
#define TOE_RX_CSUM_OL 0x00000002
#define BRCMF_BSS_INFO_VERSION 109 /* curr ver of brcmf_bss_info_le struct */
/* size of brcmf_scan_params not including variable length array */
#define BRCMF_SCAN_PARAMS_FIXED_SIZE 64
/* masks for channel and ssid count */
#define BRCMF_SCAN_PARAMS_COUNT_MASK 0x0000ffff
#define BRCMF_SCAN_PARAMS_NSSID_SHIFT 16
/* primary (ie tx) key */
#define BRCMF_PRIMARY_KEY (1 << 1)
/* For supporting multiple interfaces */
#define BRCMF_MAX_IFS 16
#define DOT11_BSSTYPE_ANY 2
#define DOT11_MAX_DEFAULT_KEYS 4
#define BRCMF_ESCAN_REQ_VERSION 1
#define WLC_BSS_RSSI_ON_CHANNEL 0x0002
#define BRCMF_MAXRATES_IN_SET 16 /* max # of rates in rateset */
#define BRCMF_STA_ASSOC 0x10 /* Associated */
#define BRCMF_E_STATUS_SUCCESS 0
#define BRCMF_E_STATUS_FAIL 1
#define BRCMF_E_STATUS_TIMEOUT 2
#define BRCMF_E_STATUS_NO_NETWORKS 3
#define BRCMF_E_STATUS_ABORT 4
#define BRCMF_E_STATUS_NO_ACK 5
#define BRCMF_E_STATUS_UNSOLICITED 6
#define BRCMF_E_STATUS_ATTEMPT 7
#define BRCMF_E_STATUS_PARTIAL 8
#define BRCMF_E_STATUS_NEWSCAN 9
#define BRCMF_E_STATUS_NEWASSOC 10
#define BRCMF_E_STATUS_11HQUIET 11
#define BRCMF_E_STATUS_SUPPRESS 12
#define BRCMF_E_STATUS_NOCHANS 13
#define BRCMF_E_STATUS_CS_ABORT 15
#define BRCMF_E_STATUS_ERROR 16
#define BRCMF_E_REASON_INITIAL_ASSOC 0
#define BRCMF_E_REASON_LOW_RSSI 1
#define BRCMF_E_REASON_DEAUTH 2
#define BRCMF_E_REASON_DISASSOC 3
#define BRCMF_E_REASON_BCNS_LOST 4
#define BRCMF_E_REASON_MINTXRATE 9
#define BRCMF_E_REASON_TXFAIL 10
#define BRCMF_E_REASON_LINK_BSSCFG_DIS 4
#define BRCMF_E_REASON_FAST_ROAM_FAILED 5
#define BRCMF_E_REASON_DIRECTED_ROAM 6
#define BRCMF_E_REASON_TSPEC_REJECTED 7
#define BRCMF_E_REASON_BETTER_AP 8
#define BRCMF_E_PRUNE_ENCR_MISMATCH 1
#define BRCMF_E_PRUNE_BCAST_BSSID 2
#define BRCMF_E_PRUNE_MAC_DENY 3
#define BRCMF_E_PRUNE_MAC_NA 4
#define BRCMF_E_PRUNE_REG_PASSV 5
#define BRCMF_E_PRUNE_SPCT_MGMT 6
#define BRCMF_E_PRUNE_RADAR 7
#define BRCMF_E_RSN_MISMATCH 8
#define BRCMF_E_PRUNE_NO_COMMON_RATES 9
#define BRCMF_E_PRUNE_BASIC_RATES 10
#define BRCMF_E_PRUNE_CIPHER_NA 12
#define BRCMF_E_PRUNE_KNOWN_STA 13
#define BRCMF_E_PRUNE_WDS_PEER 15
#define BRCMF_E_PRUNE_QBSS_LOAD 16
#define BRCMF_E_PRUNE_HOME_AP 17
#define BRCMF_E_SUP_OTHER 0
#define BRCMF_E_SUP_DECRYPT_KEY_DATA 1
#define BRCMF_E_SUP_BAD_UCAST_WEP128 2
#define BRCMF_E_SUP_BAD_UCAST_WEP40 3
#define BRCMF_E_SUP_UNSUP_KEY_LEN 4
#define BRCMF_E_SUP_PW_KEY_CIPHER 5
#define BRCMF_E_SUP_MSG3_TOO_MANY_IE 6
#define BRCMF_E_SUP_MSG3_IE_MISMATCH 7
#define BRCMF_E_SUP_NO_INSTALL_FLAG 8
#define BRCMF_E_SUP_MSG3_NO_GTK 9
#define BRCMF_E_SUP_GRP_KEY_CIPHER 10
#define BRCMF_E_SUP_GRP_MSG1_NO_GTK 11
#define BRCMF_E_SUP_GTK_DECRYPT_FAIL 12
#define BRCMF_E_SUP_SEND_FAIL 13
#define BRCMF_E_SUP_DEAUTH 14
#define BRCMF_E_IF_ADD 1
#define BRCMF_E_IF_DEL 2
#define BRCMF_E_IF_CHANGE 3
#define BRCMF_E_IF_ROLE_STA 0
#define BRCMF_E_IF_ROLE_AP 1
#define BRCMF_E_IF_ROLE_WDS 2
#define BRCMF_E_LINK_BCN_LOSS 1
#define BRCMF_E_LINK_DISASSOC 2
#define BRCMF_E_LINK_ASSOC_REC 3
#define BRCMF_E_LINK_BSSCFG_DIS 4
/* Small, medium and maximum buffer size for dcmd
*/
#define BRCMF_DCMD_SMLEN 256
#define BRCMF_DCMD_MEDLEN 1536
#define BRCMF_DCMD_MAXLEN 8192
/* Pattern matching filter. Specifies an offset within received packets to
* start matching, the pattern to match, the size of the pattern, and a bitmask
* that indicates which bits within the pattern should be matched.
*/
struct brcmf_pkt_filter_pattern_le {
/*
* Offset within received packet to start pattern matching.
* Offset '0' is the first byte of the ethernet header.
*/
__le32 offset;
/* Size of the pattern. Bitmask must be the same size.*/
__le32 size_bytes;
/*
* Variable length mask and pattern data. mask starts at offset 0.
* Pattern immediately follows mask.
*/
u8 mask_and_pattern[1];
};
/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */
struct brcmf_pkt_filter_le {
__le32 id; /* Unique filter id, specified by app. */
__le32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */
__le32 negate_match; /* Negate the result of filter matches */
union { /* Filter definitions */
struct brcmf_pkt_filter_pattern_le pattern; /* Filter pattern */
} u;
};
/* IOVAR "pkt_filter_enable" parameter. */
struct brcmf_pkt_filter_enable_le {
__le32 id; /* Unique filter id */
__le32 enable; /* Enable/disable bool */
};
/* BSS info structure
* Applications MUST CHECK ie_offset field and length field to access IEs and
* next bss_info structure in a vector (in struct brcmf_scan_results)
*/
struct brcmf_bss_info_le {
__le32 version; /* version field */
__le32 length; /* byte length of data in this record,
* starting at version and including IEs
*/
u8 BSSID[ETH_ALEN];
__le16 beacon_period; /* units are Kusec */
__le16 capability; /* Capability information */
u8 SSID_len;
u8 SSID[32];
struct {
__le32 count; /* # rates in this set */
u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */
} rateset; /* supported rates */
__le16 chanspec; /* chanspec for bss */
__le16 atim_window; /* units are Kusec */
u8 dtim_period; /* DTIM period */
__le16 RSSI; /* receive signal strength (in dBm) */
s8 phy_noise; /* noise (in dBm) */
u8 n_cap; /* BSS is 802.11N Capable */
/* 802.11N BSS Capabilities (based on HT_CAP_*): */
__le32 nbss_cap;
u8 ctl_ch; /* 802.11N BSS control channel number */
__le32 reserved32[1]; /* Reserved for expansion of BSS properties */
u8 flags; /* flags */
u8 reserved[3]; /* Reserved for expansion of BSS properties */
u8 basic_mcs[MCSSET_LEN]; /* 802.11N BSS required MCS set */
__le16 ie_offset; /* offset at which IEs start, from beginning */
__le32 ie_length; /* byte length of Information Elements */
__le16 SNR; /* average SNR of during frame reception */
/* Add new fields here */
/* variable length Information Elements */
};
struct brcm_rateset_le {
/* # rates in this set */
__le32 count;
/* rates in 500kbps units w/hi bit set if basic */
u8 rates[BRCMF_MAXRATES_IN_SET];
};
struct brcmf_ssid {
u32 SSID_len;
unsigned char SSID[32];
};
struct brcmf_ssid_le {
__le32 SSID_len;
unsigned char SSID[32];
};
struct brcmf_scan_params_le {
struct brcmf_ssid_le ssid_le; /* default: {0, ""} */
u8 bssid[ETH_ALEN]; /* default: bcast */
s8 bss_type; /* default: any,
* DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT
*/
u8 scan_type; /* flags, 0 use default */
__le32 nprobes; /* -1 use default, number of probes per channel */
__le32 active_time; /* -1 use default, dwell time per channel for
* active scanning
*/
__le32 passive_time; /* -1 use default, dwell time per channel
* for passive scanning
*/
__le32 home_time; /* -1 use default, dwell time for the
* home channel between channel scans
*/
__le32 channel_num; /* count of channels and ssids that follow
*
* low half is count of channels in
* channel_list, 0 means default (use all
* available channels)
*
* high half is entries in struct brcmf_ssid
* array that follows channel_list, aligned for
* s32 (4 bytes) meaning an odd channel count
* implies a 2-byte pad between end of
* channel_list and first ssid
*
* if ssid count is zero, single ssid in the
* fixed parameter portion is assumed, otherwise
* ssid in the fixed portion is ignored
*/
__le16 channel_list[1]; /* list of chanspecs */
};
struct brcmf_scan_results {
u32 buflen;
u32 version;
u32 count;
struct brcmf_bss_info_le bss_info_le[];
};
struct brcmf_escan_params_le {
__le32 version;
__le16 action;
__le16 sync_id;
struct brcmf_scan_params_le params_le;
};
struct brcmf_escan_result_le {
__le32 buflen;
__le32 version;
__le16 sync_id;
__le16 bss_count;
struct brcmf_bss_info_le bss_info_le;
};
#define WL_ESCAN_RESULTS_FIXED_SIZE (sizeof(struct brcmf_escan_result_le) - \
sizeof(struct brcmf_bss_info_le))
/* used for association with a specific BSSID and chanspec list */
struct brcmf_assoc_params_le {
/* 00:00:00:00:00:00: broadcast scan */
u8 bssid[ETH_ALEN];
/* 0: all available channels, otherwise count of chanspecs in
* chanspec_list */
__le32 chanspec_num;
/* list of chanspecs */
__le16 chanspec_list[1];
};
/* used for join with or without a specific bssid and channel list */
struct brcmf_join_params {
struct brcmf_ssid_le ssid_le;
struct brcmf_assoc_params_le params_le;
};
/* scan params for extended join */
struct brcmf_join_scan_params_le {
u8 scan_type; /* 0 use default, active or passive scan */
__le32 nprobes; /* -1 use default, nr of probes per channel */
__le32 active_time; /* -1 use default, dwell time per channel for
* active scanning
*/
__le32 passive_time; /* -1 use default, dwell time per channel
* for passive scanning
*/
__le32 home_time; /* -1 use default, dwell time for the home
* channel between channel scans
*/
};
/* extended join params */
struct brcmf_ext_join_params_le {
struct brcmf_ssid_le ssid_le; /* {0, ""}: wildcard scan */
struct brcmf_join_scan_params_le scan_le;
struct brcmf_assoc_params_le assoc_le;
};
struct brcmf_wsec_key {
u32 index; /* key index */
u32 len; /* key length */
u8 data[WLAN_MAX_KEY_LEN]; /* key data */
u32 pad_1[18];
u32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
u32 flags; /* misc flags */
u32 pad_2[3];
u32 iv_initialized; /* has IV been initialized already? */
u32 pad_3;
/* Rx IV */
struct {
u32 hi; /* upper 32 bits of IV */
u16 lo; /* lower 16 bits of IV */
} rxiv;
u32 pad_4[2];
u8 ea[ETH_ALEN]; /* per station */
};
/*
* dongle requires same struct as above but with fields in little endian order
*/
struct brcmf_wsec_key_le {
__le32 index; /* key index */
__le32 len; /* key length */
u8 data[WLAN_MAX_KEY_LEN]; /* key data */
__le32 pad_1[18];
__le32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
__le32 flags; /* misc flags */
__le32 pad_2[3];
__le32 iv_initialized; /* has IV been initialized already? */
__le32 pad_3;
/* Rx IV */
struct {
__le32 hi; /* upper 32 bits of IV */
__le16 lo; /* lower 16 bits of IV */
} rxiv;
__le32 pad_4[2];
u8 ea[ETH_ALEN]; /* per station */
};
/* Used to get specific STA parameters */
struct brcmf_scb_val_le {
__le32 val;
u8 ea[ETH_ALEN];
};
/* channel encoding */
struct brcmf_channel_info_le {
__le32 hw_channel;
__le32 target_channel;
__le32 scan_channel;
};
struct brcmf_sta_info_le {
__le16 ver; /* version of this struct */
__le16 len; /* length in bytes of this structure */
__le16 cap; /* sta's advertised capabilities */
__le32 flags; /* flags defined below */
__le32 idle; /* time since data pkt rx'd from sta */
u8 ea[ETH_ALEN]; /* Station address */
__le32 count; /* # rates in this set */
u8 rates[BRCMF_MAXRATES_IN_SET]; /* rates in 500kbps units */
/* w/hi bit set if basic */
__le32 in; /* seconds elapsed since associated */
__le32 listen_interval_inms; /* Min Listen interval in ms for STA */
__le32 tx_pkts; /* # of packets transmitted */
__le32 tx_failures; /* # of packets failed */
__le32 rx_ucast_pkts; /* # of unicast packets received */
__le32 rx_mcast_pkts; /* # of multicast packets received */
__le32 tx_rate; /* Rate of last successful tx frame */
__le32 rx_rate; /* Rate of last successful rx frame */
__le32 rx_decrypt_succeeds; /* # of packet decrypted successfully */
__le32 rx_decrypt_failures; /* # of packet decrypted failed */
};
struct brcmf_chanspec_list {
__le32 count; /* # of entries */
__le32 element[1]; /* variable length uint32 list */
};
/*
* WLC_E_PROBRESP_MSG
* WLC_E_P2P_PROBREQ_MSG
* WLC_E_ACTION_FRAME_RX
*/
struct brcmf_rx_mgmt_data {
__be16 version;
__be16 chanspec;
__be32 rssi;
__be32 mactime;
__be32 rate;
};
/* Bus independent dongle command */
struct brcmf_dcmd {
uint cmd; /* common dongle cmd definition */
void *buf; /* pointer to user buffer */
uint len; /* length of user buffer */
u8 set; /* get or set request (optional) */
uint used; /* bytes read or written (optional) */
uint needed; /* bytes needed (optional) */
};
/* Forward decls for struct brcmf_pub (see below) */
struct brcmf_proto; /* device communication protocol info */
struct brcmf_cfg80211_dev; /* cfg80211 device info */
struct brcmf_fws_info; /* firmware signalling info */
/* Common structure for module and instance linkage */
struct brcmf_pub {
/* Linkage ponters */
struct brcmf_bus *bus_if;
struct brcmf_proto *prot;
struct brcmf_cfg80211_info *config;
/* Internal brcmf items */
uint hdrlen; /* Total BRCMF header length (proto + bus) */
uint rxsz; /* Rx buffer size bus module should use */
u8 wme_dp; /* wme discard priority */
/* Dongle media info */
unsigned long drv_version; /* Version of dongle-resident driver */
u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */
/* Multicast data packets sent to dongle */
unsigned long tx_multicast;
struct brcmf_if *iflist[BRCMF_MAX_IFS];
struct mutex proto_block;
unsigned char proto_buf[BRCMF_DCMD_MAXLEN];
struct brcmf_fweh_info fweh;
bool fw_signals;
struct brcmf_fws_info *fws;
spinlock_t fws_spinlock;
#ifdef DEBUG
struct dentry *dbgfs_dir;
#endif
};
struct brcmf_if_event {
u8 ifidx;
u8 action;
u8 flags;
u8 bssidx;
u8 role;
};
/* forward declarations */
struct brcmf_cfg80211_vif;
struct brcmf_fws_mac_descriptor;
/**
* enum brcmf_netif_stop_reason - reason for stopping netif queue.
*
* @BRCMF_NETIF_STOP_REASON_FWS_FC:
* netif stopped due to firmware signalling flow control.
* @BRCMF_NETIF_STOP_REASON_BLOCK_BUS:
* netif stopped due to bus blocking.
*/
enum brcmf_netif_stop_reason {
BRCMF_NETIF_STOP_REASON_FWS_FC = 1,
BRCMF_NETIF_STOP_REASON_BLOCK_BUS = 2
};
/**
* struct brcmf_if - interface control information.
*
* @drvr: points to device related information.
* @vif: points to cfg80211 specific interface information.
* @ndev: associated network device.
* @stats: interface specific network statistics.
* @setmacaddr_work: worker object for setting mac address.
* @multicast_work: worker object for multicast provisioning.
* @fws_desc: interface specific firmware-signalling descriptor.
* @ifidx: interface index in device firmware.
* @bssidx: index of bss associated with this interface.
* @mac_addr: assigned mac address.
* @netif_stop: bitmap indicates reason why netif queues are stopped.
* @pend_8021x_cnt: tracks outstanding number of 802.1x frames.
* @pend_8021x_wait: used for signalling change in count.
*/
struct brcmf_if {
struct brcmf_pub *drvr;
struct brcmf_cfg80211_vif *vif;
struct net_device *ndev;
struct net_device_stats stats;
struct work_struct setmacaddr_work;
struct work_struct multicast_work;
struct brcmf_fws_mac_descriptor *fws_desc;
int ifidx;
s32 bssidx;
u8 mac_addr[ETH_ALEN];
u8 netif_stop;
atomic_t pend_8021x_cnt;
wait_queue_head_t pend_8021x_wait;
};
extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);
/* Return pointer to interface name */
extern char *brcmf_ifname(struct brcmf_pub *drvr, int idx);
/* Query dongle */
extern int brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx,
uint cmd, void *buf, uint len);
extern int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
void *buf, uint len);
/* Remove any protocol-specific data header. */
extern int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, u8 *ifidx,
struct sk_buff *rxp);
extern int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
extern struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx,
s32 ifidx, char *name, u8 *mac_addr);
extern void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx);
void brcmf_txflowblock_if(struct brcmf_if *ifp,
enum brcmf_netif_stop_reason reason, bool state);
extern u32 brcmf_get_chip_info(struct brcmf_if *ifp);
extern void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp,
bool success);
#endif /* _BRCMF_H_ */

164
drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h Normal file
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/*
* 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.
*/
#ifndef _BRCMF_BUS_H_
#define _BRCMF_BUS_H_
/* The level of bus communication with the dongle */
enum brcmf_bus_state {
BRCMF_BUS_DOWN, /* Not ready for frame transfers */
BRCMF_BUS_LOAD, /* Download access only (CPU reset) */
BRCMF_BUS_DATA /* Ready for frame transfers */
};
struct brcmf_bus_dcmd {
char *name;
char *param;
int param_len;
struct list_head list;
};
/**
* struct brcmf_bus_ops - bus callback operations.
*
* @init: prepare for communication with dongle.
* @stop: clear pending frames, disable data flow.
* @txdata: send a data frame to the dongle (callee disposes skb).
* @txctl: transmit a control request message to dongle.
* @rxctl: receive a control response message from dongle.
* @gettxq: obtain a reference of bus transmit queue (optional).
*
* This structure provides an abstract interface towards the
* bus specific driver. For control messages to common driver
* will assure there is only one active transaction. Unless
* indicated otherwise these callbacks are mandatory.
*/
struct brcmf_bus_ops {
int (*init)(struct device *dev);
void (*stop)(struct device *dev);
int (*txdata)(struct device *dev, struct sk_buff *skb);
int (*txctl)(struct device *dev, unsigned char *msg, uint len);
int (*rxctl)(struct device *dev, unsigned char *msg, uint len);
struct pktq * (*gettxq)(struct device *dev);
};
/**
* struct brcmf_bus - interface structure between common and bus layer
*
* @bus_priv: pointer to private bus device.
* @dev: device pointer of bus device.
* @drvr: public driver information.
* @state: operational state of the bus interface.
* @maxctl: maximum size for rxctl request message.
* @tx_realloc: number of tx packets realloced for headroom.
* @dstats: dongle-based statistical data.
* @align: alignment requirement for the bus.
* @dcmd_list: bus/device specific dongle initialization commands.
* @chip: device identifier of the dongle chip.
* @chiprev: revision of the dongle chip.
*/
struct brcmf_bus {
union {
struct brcmf_sdio_dev *sdio;
struct brcmf_usbdev *usb;
} bus_priv;
struct device *dev;
struct brcmf_pub *drvr;
enum brcmf_bus_state state;
uint maxctl;
unsigned long tx_realloc;
u8 align;
u32 chip;
u32 chiprev;
struct list_head dcmd_list;
struct brcmf_bus_ops *ops;
};
/*
* callback wrappers
*/
static inline int brcmf_bus_init(struct brcmf_bus *bus)
{
return bus->ops->init(bus->dev);
}
static inline void brcmf_bus_stop(struct brcmf_bus *bus)
{
bus->ops->stop(bus->dev);
}
static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb)
{
return bus->ops->txdata(bus->dev, skb);
}
static inline
int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
{
return bus->ops->txctl(bus->dev, msg, len);
}
static inline
int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
{
return bus->ops->rxctl(bus->dev, msg, len);
}
static inline
struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus)
{
if (!bus->ops->gettxq)
return ERR_PTR(-ENOENT);
return bus->ops->gettxq(bus->dev);
}
/*
* interface functions from common layer
*/
extern bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
struct sk_buff *pkt, int prec);
/* Receive frame for delivery to OS. Callee disposes of rxp. */
extern void brcmf_rx_frames(struct device *dev, struct sk_buff_head *rxlist);
/* Indication from bus module regarding presence/insertion of dongle. */
extern int brcmf_attach(uint bus_hdrlen, struct device *dev);
/* Indication from bus module regarding removal/absence of dongle */
extern void brcmf_detach(struct device *dev);
/* Indication from bus module that dongle should be reset */
extern void brcmf_dev_reset(struct device *dev);
/* Indication from bus module to change flow-control state */
extern void brcmf_txflowblock(struct device *dev, bool state);
/* Notify the bus has transferred the tx packet to firmware */
extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp,
bool success);
extern int brcmf_bus_start(struct device *dev);
#ifdef CONFIG_BRCMFMAC_SDIO
extern void brcmf_sdio_exit(void);
extern void brcmf_sdio_init(void);
extern void brcmf_sdio_register(void);
#endif
#ifdef CONFIG_BRCMFMAC_USB
extern void brcmf_usb_exit(void);
extern void brcmf_usb_register(void);
#endif
#endif /* _BRCMF_BUS_H_ */

389
drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c Normal file
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/*
* 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.
*/
/*******************************************************************************
* Communicates with the dongle by using dcmd codes.
* For certain dcmd codes, the dongle interprets string data from the host.
******************************************************************************/
#include <linux/types.h>
#include <linux/netdevice.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include "dhd.h"
#include "dhd_proto.h"
#include "dhd_bus.h"
#include "fwsignal.h"
#include "dhd_dbg.h"
struct brcmf_proto_cdc_dcmd {
__le32 cmd; /* dongle command value */
__le32 len; /* lower 16: output buflen;
* upper 16: input buflen (excludes header) */
__le32 flags; /* flag defns given below */
__le32 status; /* status code returned from the device */
};
/* Max valid buffer size that can be sent to the dongle */
#define CDC_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN)
/* CDC flag definitions */
#define CDC_DCMD_ERROR 0x01 /* 1=cmd failed */
#define CDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */
#define CDC_DCMD_IF_MASK 0xF000 /* I/F index */
#define CDC_DCMD_IF_SHIFT 12
#define CDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */
#define CDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */
#define CDC_DCMD_ID(flags) \
(((flags) & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT)
/*
* BDC header - Broadcom specific extension of CDC.
* Used on data packets to convey priority across USB.
*/
#define BDC_HEADER_LEN 4
#define BDC_PROTO_VER 2 /* Protocol version */
#define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */
#define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */
#define BDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */
#define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */
#define BDC_PRIORITY_MASK 0x7
#define BDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */
#define BDC_FLAG2_IF_SHIFT 0
#define BDC_GET_IF_IDX(hdr) \
((int)((((hdr)->flags2) & BDC_FLAG2_IF_MASK) >> BDC_FLAG2_IF_SHIFT))
#define BDC_SET_IF_IDX(hdr, idx) \
((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_IF_MASK) | \
((idx) << BDC_FLAG2_IF_SHIFT)))
/**
* struct brcmf_proto_bdc_header - BDC header format
*
* @flags: flags contain protocol and checksum info.
* @priority: 802.1d priority and USB flow control info (bit 4:7).
* @flags2: additional flags containing dongle interface index.
* @data_offset: start of packet data. header is following by firmware signals.
*/
struct brcmf_proto_bdc_header {
u8 flags;
u8 priority;
u8 flags2;
u8 data_offset;
};
/*
* maximum length of firmware signal data between
* the BDC header and packet data in the tx path.
*/
#define BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES 12
#define RETRIES 2 /* # of retries to retrieve matching dcmd response */
#define BUS_HEADER_LEN (16+64) /* Must be atleast SDPCM_RESERVE
* (amount of header tha might be added)
* plus any space that might be needed
* for bus alignment padding.
*/
#define ROUND_UP_MARGIN 2048 /* Biggest bus block size possible for
* round off at the end of buffer
* Currently is SDIO
*/
struct brcmf_proto {
u16 reqid;
u8 bus_header[BUS_HEADER_LEN];
struct brcmf_proto_cdc_dcmd msg;
unsigned char buf[BRCMF_DCMD_MAXLEN + ROUND_UP_MARGIN];
};
static int brcmf_proto_cdc_msg(struct brcmf_pub *drvr)
{
struct brcmf_proto *prot = drvr->prot;
int len = le32_to_cpu(prot->msg.len) +
sizeof(struct brcmf_proto_cdc_dcmd);
brcmf_dbg(CDC, "Enter\n");
/* NOTE : cdc->msg.len holds the desired length of the buffer to be
* returned. Only up to CDC_MAX_MSG_SIZE of this buffer area
* is actually sent to the dongle
*/
if (len > CDC_MAX_MSG_SIZE)
len = CDC_MAX_MSG_SIZE;
/* Send request */
return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&prot->msg, len);
}
static int brcmf_proto_cdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len)
{
int ret;
struct brcmf_proto *prot = drvr->prot;
brcmf_dbg(CDC, "Enter\n");
len += sizeof(struct brcmf_proto_cdc_dcmd);
do {
ret = brcmf_bus_rxctl(drvr->bus_if, (unsigned char *)&prot->msg,
len);
if (ret < 0)
break;
} while (CDC_DCMD_ID(le32_to_cpu(prot->msg.flags)) != id);
return ret;
}
int
brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
void *buf, uint len)
{
struct brcmf_proto *prot = drvr->prot;
struct brcmf_proto_cdc_dcmd *msg = &prot->msg;
void *info;
int ret = 0, retries = 0;
u32 id, flags;
brcmf_dbg(CDC, "Enter, cmd %d len %d\n", cmd, len);
memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd));
msg->cmd = cpu_to_le32(cmd);
msg->len = cpu_to_le32(len);
flags = (++prot->reqid << CDC_DCMD_ID_SHIFT);
flags = (flags & ~CDC_DCMD_IF_MASK) |
(ifidx << CDC_DCMD_IF_SHIFT);
msg->flags = cpu_to_le32(flags);
if (buf)
memcpy(prot->buf, buf, len);
ret = brcmf_proto_cdc_msg(drvr);
if (ret < 0) {
brcmf_err("brcmf_proto_cdc_msg failed w/status %d\n",
ret);
goto done;
}
retry:
/* wait for interrupt and get first fragment */
ret = brcmf_proto_cdc_cmplt(drvr, prot->reqid, len);
if (ret < 0)
goto done;
flags = le32_to_cpu(msg->flags);
id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT;
if ((id < prot->reqid) && (++retries < RETRIES))
goto retry;
if (id != prot->reqid) {
brcmf_err("%s: unexpected request id %d (expected %d)\n",
brcmf_ifname(drvr, ifidx), id, prot->reqid);
ret = -EINVAL;
goto done;
}
/* Check info buffer */
info = (void *)&msg[1];
/* Copy info buffer */
if (buf) {
if (ret < (int)len)
len = ret;
memcpy(buf, info, len);
}
/* Check the ERROR flag */
if (flags & CDC_DCMD_ERROR)
ret = le32_to_cpu(msg->status);
done:
return ret;
}
int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
void *buf, uint len)
{
struct brcmf_proto *prot = drvr->prot;
struct brcmf_proto_cdc_dcmd *msg = &prot->msg;
int ret = 0;
u32 flags, id;
brcmf_dbg(CDC, "Enter, cmd %d len %d\n", cmd, len);
memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd));
msg->cmd = cpu_to_le32(cmd);
msg->len = cpu_to_le32(len);
flags = (++prot->reqid << CDC_DCMD_ID_SHIFT) | CDC_DCMD_SET;
flags = (flags & ~CDC_DCMD_IF_MASK) |
(ifidx << CDC_DCMD_IF_SHIFT);
msg->flags = cpu_to_le32(flags);
if (buf)
memcpy(prot->buf, buf, len);
ret = brcmf_proto_cdc_msg(drvr);
if (ret < 0)
goto done;
ret = brcmf_proto_cdc_cmplt(drvr, prot->reqid, len);
if (ret < 0)
goto done;
flags = le32_to_cpu(msg->flags);
id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT;
if (id != prot->reqid) {
brcmf_err("%s: unexpected request id %d (expected %d)\n",
brcmf_ifname(drvr, ifidx), id, prot->reqid);
ret = -EINVAL;
goto done;
}
/* Check the ERROR flag */
if (flags & CDC_DCMD_ERROR)
ret = le32_to_cpu(msg->status);
done:
return ret;
}
static bool pkt_sum_needed(struct sk_buff *skb)
{
return skb->ip_summed == CHECKSUM_PARTIAL;
}
static void pkt_set_sum_good(struct sk_buff *skb, bool x)
{
skb->ip_summed = (x ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE);
}
void brcmf_proto_hdrpush(struct brcmf_pub *drvr, int ifidx, u8 offset,
struct sk_buff *pktbuf)
{
struct brcmf_proto_bdc_header *h;
brcmf_dbg(CDC, "Enter\n");
/* Push BDC header used to convey priority for buses that don't */
skb_push(pktbuf, BDC_HEADER_LEN);
h = (struct brcmf_proto_bdc_header *)(pktbuf->data);
h->flags = (BDC_PROTO_VER << BDC_FLAG_VER_SHIFT);
if (pkt_sum_needed(pktbuf))
h->flags |= BDC_FLAG_SUM_NEEDED;
h->priority = (pktbuf->priority & BDC_PRIORITY_MASK);
h->flags2 = 0;
h->data_offset = offset;
BDC_SET_IF_IDX(h, ifidx);
}
int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, u8 *ifidx,
struct sk_buff *pktbuf)
{
struct brcmf_proto_bdc_header *h;
brcmf_dbg(CDC, "Enter\n");
/* Pop BDC header used to convey priority for buses that don't */
if (pktbuf->len <= BDC_HEADER_LEN) {
brcmf_dbg(INFO, "rx data too short (%d <= %d)\n",
pktbuf->len, BDC_HEADER_LEN);
return -EBADE;
}
h = (struct brcmf_proto_bdc_header *)(pktbuf->data);
*ifidx = BDC_GET_IF_IDX(h);
if (*ifidx >= BRCMF_MAX_IFS) {
brcmf_err("rx data ifnum out of range (%d)\n", *ifidx);
return -EBADE;
}
/* The ifidx is the idx to map to matching netdev/ifp. When receiving
* events this is easy because it contains the bssidx which maps
* 1-on-1 to the netdev/ifp. But for data frames the ifidx is rcvd.
* bssidx 1 is used for p2p0 and no data can be received or
* transmitted on it. Therefor bssidx is ifidx + 1 if ifidx > 0
*/
if (*ifidx)
(*ifidx)++;
if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) !=
BDC_PROTO_VER) {
brcmf_err("%s: non-BDC packet received, flags 0x%x\n",
brcmf_ifname(drvr, *ifidx), h->flags);
return -EBADE;
}
if (h->flags & BDC_FLAG_SUM_GOOD) {
brcmf_dbg(CDC, "%s: BDC rcv, good checksum, flags 0x%x\n",
brcmf_ifname(drvr, *ifidx), h->flags);
pkt_set_sum_good(pktbuf, true);
}
pktbuf->priority = h->priority & BDC_PRIORITY_MASK;
skb_pull(pktbuf, BDC_HEADER_LEN);
if (do_fws)
brcmf_fws_hdrpull(drvr, *ifidx, h->data_offset << 2, pktbuf);
else
skb_pull(pktbuf, h->data_offset << 2);
if (pktbuf->len == 0)
return -ENODATA;
return 0;
}
int brcmf_proto_attach(struct brcmf_pub *drvr)
{
struct brcmf_proto *cdc;
cdc = kzalloc(sizeof(struct brcmf_proto), GFP_ATOMIC);
if (!cdc)
goto fail;
/* ensure that the msg buf directly follows the cdc msg struct */
if ((unsigned long)(&cdc->msg + 1) != (unsigned long)cdc->buf) {
brcmf_err("struct brcmf_proto is not correctly defined\n");
goto fail;
}
drvr->prot = cdc;
drvr->hdrlen += BDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES;
drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN +
sizeof(struct brcmf_proto_cdc_dcmd) + ROUND_UP_MARGIN;
return 0;
fail:
kfree(cdc);
return -ENOMEM;
}
/* ~NOTE~ What if another thread is waiting on the semaphore? Holding it? */
void brcmf_proto_detach(struct brcmf_pub *drvr)
{
kfree(drvr->prot);
drvr->prot = NULL;
}
void brcmf_proto_stop(struct brcmf_pub *drvr)
{
/* Nothing to do for CDC */
}

390
drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c Normal file
View File

@@ -0,0 +1,390 @@
/*
* 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/kernel.h>
#include <linux/string.h>
#include <linux/netdevice.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "dhd.h"
#include "dhd_bus.h"
#include "dhd_proto.h"
#include "dhd_dbg.h"
#include "fwil.h"
#include "tracepoint.h"
#define PKTFILTER_BUF_SIZE 128
#define BRCMF_DEFAULT_BCN_TIMEOUT 3
#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
#define BRCMF_DEFAULT_PACKET_FILTER "100 0 0 0 0x01 0x00"
#ifdef DEBUG
static const char brcmf_version[] =
"Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
__DATE__ " at " __TIME__;
#else
static const char brcmf_version[] =
"Dongle Host Driver, version " BRCMF_VERSION_STR;
#endif
bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
struct sk_buff *pkt, int prec)
{
struct sk_buff *p;
int eprec = -1; /* precedence to evict from */
bool discard_oldest;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_pub *drvr = bus_if->drvr;
/* Fast case, precedence queue is not full and we are also not
* exceeding total queue length
*/
if (!pktq_pfull(q, prec) && !pktq_full(q)) {
brcmu_pktq_penq(q, prec, pkt);
return true;
}
/* Determine precedence from which to evict packet, if any */
if (pktq_pfull(q, prec))
eprec = prec;
else if (pktq_full(q)) {
p = brcmu_pktq_peek_tail(q, &eprec);
if (eprec > prec)
return false;
}
/* Evict if needed */
if (eprec >= 0) {
/* Detect queueing to unconfigured precedence */
discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
if (eprec == prec && !discard_oldest)
return false; /* refuse newer (incoming) packet */
/* Evict packet according to discard policy */
p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
brcmu_pktq_pdeq_tail(q, eprec);
if (p == NULL)
brcmf_err("brcmu_pktq_penq() failed, oldest %d\n",
discard_oldest);
brcmu_pkt_buf_free_skb(p);
}
/* Enqueue */
p = brcmu_pktq_penq(q, prec, pkt);
if (p == NULL)
brcmf_err("brcmu_pktq_penq() failed\n");
return p != NULL;
}
/* Convert user's input in hex pattern to byte-size mask */
static int brcmf_c_pattern_atoh(char *src, char *dst)
{
int i;
if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
brcmf_err("Mask invalid format. Needs to start with 0x\n");
return -EINVAL;
}
src = src + 2; /* Skip past 0x */
if (strlen(src) % 2 != 0) {
brcmf_err("Mask invalid format. Length must be even.\n");
return -EINVAL;
}
for (i = 0; *src != '\0'; i++) {
unsigned long res;
char num[3];
strncpy(num, src, 2);
num[2] = '\0';
if (kstrtoul(num, 16, &res))
return -EINVAL;
dst[i] = (u8)res;
src += 2;
}
return i;
}
static void
brcmf_c_pktfilter_offload_enable(struct brcmf_if *ifp, char *arg, int enable,
int master_mode)
{
unsigned long res;
char *argv;
char *arg_save = NULL, *arg_org = NULL;
s32 err;
struct brcmf_pkt_filter_enable_le enable_parm;
arg_save = kstrdup(arg, GFP_ATOMIC);
if (!arg_save)
goto fail;
arg_org = arg_save;
argv = strsep(&arg_save, " ");
if (argv == NULL) {
brcmf_err("No args provided\n");
goto fail;
}
/* Parse packet filter id. */
enable_parm.id = 0;
if (!kstrtoul(argv, 0, &res))
enable_parm.id = cpu_to_le32((u32)res);
/* Enable/disable the specified filter. */
enable_parm.enable = cpu_to_le32(enable);
err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_enable", &enable_parm,
sizeof(enable_parm));
if (err)
brcmf_err("Set pkt_filter_enable error (%d)\n", err);
/* Control the master mode */
err = brcmf_fil_iovar_int_set(ifp, "pkt_filter_mode", master_mode);
if (err)
brcmf_err("Set pkt_filter_mode error (%d)\n", err);
fail:
kfree(arg_org);
}
static void brcmf_c_pktfilter_offload_set(struct brcmf_if *ifp, char *arg)
{
struct brcmf_pkt_filter_le *pkt_filter;
unsigned long res;
int buf_len;
s32 err;
u32 mask_size;
u32 pattern_size;
char *argv[8], *buf = NULL;
int i = 0;
char *arg_save = NULL, *arg_org = NULL;
arg_save = kstrdup(arg, GFP_ATOMIC);
if (!arg_save)
goto fail;
arg_org = arg_save;
buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
if (!buf)
goto fail;
argv[i] = strsep(&arg_save, " ");
while (argv[i]) {
i++;
if (i >= 8) {
brcmf_err("Too many parameters\n");
goto fail;
}
argv[i] = strsep(&arg_save, " ");
}
if (i != 6) {
brcmf_err("Not enough args provided %d\n", i);
goto fail;
}
pkt_filter = (struct brcmf_pkt_filter_le *)buf;
/* Parse packet filter id. */
pkt_filter->id = 0;
if (!kstrtoul(argv[0], 0, &res))
pkt_filter->id = cpu_to_le32((u32)res);
/* Parse filter polarity. */
pkt_filter->negate_match = 0;
if (!kstrtoul(argv[1], 0, &res))
pkt_filter->negate_match = cpu_to_le32((u32)res);
/* Parse filter type. */
pkt_filter->type = 0;
if (!kstrtoul(argv[2], 0, &res))
pkt_filter->type = cpu_to_le32((u32)res);
/* Parse pattern filter offset. */
pkt_filter->u.pattern.offset = 0;
if (!kstrtoul(argv[3], 0, &res))
pkt_filter->u.pattern.offset = cpu_to_le32((u32)res);
/* Parse pattern filter mask. */
mask_size = brcmf_c_pattern_atoh(argv[4],
(char *)pkt_filter->u.pattern.mask_and_pattern);
/* Parse pattern filter pattern. */
pattern_size = brcmf_c_pattern_atoh(argv[5],
(char *)&pkt_filter->u.pattern.mask_and_pattern[mask_size]);
if (mask_size != pattern_size) {
brcmf_err("Mask and pattern not the same size\n");
goto fail;
}
pkt_filter->u.pattern.size_bytes = cpu_to_le32(mask_size);
buf_len = offsetof(struct brcmf_pkt_filter_le,
u.pattern.mask_and_pattern);
buf_len += mask_size + pattern_size;
err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_add", pkt_filter,
buf_len);
if (err)
brcmf_err("Set pkt_filter_add error (%d)\n", err);
fail:
kfree(arg_org);
kfree(buf);
}
int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
{
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
u8 buf[BRCMF_DCMD_SMLEN];
char *ptr;
s32 err;
struct brcmf_bus_dcmd *cmdlst;
struct list_head *cur, *q;
/* retreive mac address */
err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
sizeof(ifp->mac_addr));
if (err < 0) {
brcmf_err("Retreiving cur_etheraddr failed, %d\n",
err);
goto done;
}
memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));
/* query for 'ver' to get version info from firmware */
memset(buf, 0, sizeof(buf));
strcpy(buf, "ver");
err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
if (err < 0) {
brcmf_err("Retreiving version information failed, %d\n",
err);
goto done;
}
ptr = (char *)buf;
strsep(&ptr, "\n");
/* Print fw version info */
brcmf_err("Firmware version = %s\n", buf);
/*
* Setup timeout if Beacons are lost and roam is off to report
* link down
*/
err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
BRCMF_DEFAULT_BCN_TIMEOUT);
if (err) {
brcmf_err("bcn_timeout error (%d)\n", err);
goto done;
}
/* Enable/Disable build-in roaming to allowed ext supplicant to take
* of romaing
*/
err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
if (err) {
brcmf_err("roam_off error (%d)\n", err);
goto done;
}
/* Setup event_msgs, enable E_IF */
err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
BRCMF_EVENTING_MASK_LEN);
if (err) {
brcmf_err("Get event_msgs error (%d)\n", err);
goto done;
}
setbit(eventmask, BRCMF_E_IF);
err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
BRCMF_EVENTING_MASK_LEN);
if (err) {
brcmf_err("Set event_msgs error (%d)\n", err);
goto done;
}
/* Setup default scan channel time */
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
if (err) {
brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
err);
goto done;
}
/* Setup default scan unassoc time */
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
if (err) {
brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
err);
goto done;
}
/* Setup packet filter */
brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER);
brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER,
0, true);
/* set bus specific command if there is any */
list_for_each_safe(cur, q, &ifp->drvr->bus_if->dcmd_list) {
cmdlst = list_entry(cur, struct brcmf_bus_dcmd, list);
if (cmdlst->name && cmdlst->param && cmdlst->param_len) {
brcmf_fil_iovar_data_set(ifp, cmdlst->name,
cmdlst->param,
cmdlst->param_len);
}
list_del(cur);
kfree(cmdlst);
}
done:
return err;
}
#ifdef CONFIG_BRCM_TRACING
void __brcmf_err(const char *func, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
pr_err("%s: %pV", func, &vaf);
trace_brcmf_err(func, &vaf);
va_end(args);
}
#endif
#if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG)
void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
if (brcmf_msg_level & level)
pr_debug("%s %pV", func, &vaf);
trace_brcmf_dbg(level, func, &vaf);
va_end(args);
}
#endif

205
drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c Normal file
View File

@@ -0,0 +1,205 @@
/*
* Copyright (c) 2012 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/debugfs.h>
#include <linux/netdevice.h>
#include <linux/module.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "dhd.h"
#include "dhd_bus.h"
#include "dhd_dbg.h"
#include "tracepoint.h"
static struct dentry *root_folder;
void brcmf_debugfs_init(void)
{
root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (IS_ERR(root_folder))
root_folder = NULL;
}
void brcmf_debugfs_exit(void)
{
if (!root_folder)
return;
debugfs_remove_recursive(root_folder);
root_folder = NULL;
}
int brcmf_debugfs_attach(struct brcmf_pub *drvr)
{
struct device *dev = drvr->bus_if->dev;
if (!root_folder)
return -ENODEV;
drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
return PTR_RET(drvr->dbgfs_dir);
}
void brcmf_debugfs_detach(struct brcmf_pub *drvr)
{
if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
debugfs_remove_recursive(drvr->dbgfs_dir);
}
struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
{
return drvr->dbgfs_dir;
}
static
ssize_t brcmf_debugfs_sdio_counter_read(struct file *f, char __user *data,
size_t count, loff_t *ppos)
{
struct brcmf_sdio_count *sdcnt = f->private_data;
char buf[750];
int res;
/* only allow read from start */
if (*ppos > 0)
return 0;
res = scnprintf(buf, sizeof(buf),
"intrcount: %u\nlastintrs: %u\n"
"pollcnt: %u\nregfails: %u\n"
"tx_sderrs: %u\nfcqueued: %u\n"
"rxrtx: %u\nrx_toolong: %u\n"
"rxc_errors: %u\nrx_hdrfail: %u\n"
"rx_badhdr: %u\nrx_badseq: %u\n"
"fc_rcvd: %u\nfc_xoff: %u\n"
"fc_xon: %u\nrxglomfail: %u\n"
"rxglomframes: %u\nrxglompkts: %u\n"
"f2rxhdrs: %u\nf2rxdata: %u\n"
"f2txdata: %u\nf1regdata: %u\n"
"tickcnt: %u\ntx_ctlerrs: %lu\n"
"tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
"rx_ctlpkts: %lu\nrx_readahead: %lu\n",
sdcnt->intrcount, sdcnt->lastintrs,
sdcnt->pollcnt, sdcnt->regfails,
sdcnt->tx_sderrs, sdcnt->fcqueued,
sdcnt->rxrtx, sdcnt->rx_toolong,
sdcnt->rxc_errors, sdcnt->rx_hdrfail,
sdcnt->rx_badhdr, sdcnt->rx_badseq,
sdcnt->fc_rcvd, sdcnt->fc_xoff,
sdcnt->fc_xon, sdcnt->rxglomfail,
sdcnt->rxglomframes, sdcnt->rxglompkts,
sdcnt->f2rxhdrs, sdcnt->f2rxdata,
sdcnt->f2txdata, sdcnt->f1regdata,
sdcnt->tickcnt, sdcnt->tx_ctlerrs,
sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
return simple_read_from_buffer(data, count, ppos, buf, res);
}
static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = brcmf_debugfs_sdio_counter_read
};
void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
struct brcmf_sdio_count *sdcnt)
{
struct dentry *dentry = drvr->dbgfs_dir;
if (!IS_ERR_OR_NULL(dentry))
debugfs_create_file("counters", S_IRUGO, dentry,
sdcnt, &brcmf_debugfs_sdio_counter_ops);
}
static
ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data,
size_t count, loff_t *ppos)
{
struct brcmf_fws_stats *fwstats = f->private_data;
char buf[650];
int res;
/* only allow read from start */
if (*ppos > 0)
return 0;
res = scnprintf(buf, sizeof(buf),
"header_pulls: %u\n"
"header_only_pkt: %u\n"
"tlv_parse_failed: %u\n"
"tlv_invalid_type: %u\n"
"mac_update_fails: %u\n"
"ps_update_fails: %u\n"
"if_update_fails: %u\n"
"pkt2bus: %u\n"
"generic_error: %u\n"
"rollback_success: %u\n"
"rollback_failed: %u\n"
"delayq_full: %u\n"
"supprq_full: %u\n"
"txs_indicate: %u\n"
"txs_discard: %u\n"
"txs_suppr_core: %u\n"
"txs_suppr_ps: %u\n"
"txs_tossed: %u\n"
"send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
"fifo_credits_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
fwstats->header_pulls,
fwstats->header_only_pkt,
fwstats->tlv_parse_failed,
fwstats->tlv_invalid_type,
fwstats->mac_update_failed,
fwstats->mac_ps_update_failed,
fwstats->if_update_failed,
fwstats->pkt2bus,
fwstats->generic_error,
fwstats->rollback_success,
fwstats->rollback_failed,
fwstats->delayq_full_error,
fwstats->supprq_full_error,
fwstats->txs_indicate,
fwstats->txs_discard,
fwstats->txs_supp_core,
fwstats->txs_supp_ps,
fwstats->txs_tossed,
fwstats->send_pkts[0], fwstats->send_pkts[1],
fwstats->send_pkts[2], fwstats->send_pkts[3],
fwstats->send_pkts[4],
fwstats->fifo_credits_sent[0],
fwstats->fifo_credits_sent[1],
fwstats->fifo_credits_sent[2],
fwstats->fifo_credits_sent[3],
fwstats->fifo_credits_sent[4]);
return simple_read_from_buffer(data, count, ppos, buf, res);
}
static const struct file_operations brcmf_debugfs_fws_stats_ops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = brcmf_debugfs_fws_stats_read
};
void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
struct brcmf_fws_stats *stats)
{
struct dentry *dentry = drvr->dbgfs_dir;
if (!IS_ERR_OR_NULL(dentry))
debugfs_create_file("fws_stats", S_IRUGO, dentry,
stats, &brcmf_debugfs_fws_stats_ops);
}

194
drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h Normal file
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/*
* 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.
*/
#ifndef _BRCMF_DBG_H_
#define _BRCMF_DBG_H_
/* message levels */
#define BRCMF_TRACE_VAL 0x00000002
#define BRCMF_INFO_VAL 0x00000004
#define BRCMF_DATA_VAL 0x00000008
#define BRCMF_CTL_VAL 0x00000010
#define BRCMF_TIMER_VAL 0x00000020
#define BRCMF_HDRS_VAL 0x00000040
#define BRCMF_BYTES_VAL 0x00000080
#define BRCMF_INTR_VAL 0x00000100
#define BRCMF_GLOM_VAL 0x00000200
#define BRCMF_EVENT_VAL 0x00000400
#define BRCMF_BTA_VAL 0x00000800
#define BRCMF_FIL_VAL 0x00001000
#define BRCMF_USB_VAL 0x00002000
#define BRCMF_SCAN_VAL 0x00004000
#define BRCMF_CONN_VAL 0x00008000
#define BRCMF_CDC_VAL 0x00010000
#define BRCMF_SDIO_VAL 0x00020000
/* set default print format */
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
/* Macro for error messages. net_ratelimit() is used when driver
* debugging is not selected. When debugging the driver error
* messages are as important as other tracing or even more so.
*/
#ifndef CONFIG_BRCM_TRACING
#ifdef CONFIG_BRCMDBG
#define brcmf_err(fmt, ...) pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
#else
#define brcmf_err(fmt, ...) \
do { \
if (net_ratelimit()) \
pr_err("%s: " fmt, __func__, ##__VA_ARGS__); \
} while (0)
#endif
#else
__printf(2, 3)
void __brcmf_err(const char *func, const char *fmt, ...);
#define brcmf_err(fmt, ...) \
__brcmf_err(__func__, fmt, ##__VA_ARGS__)
#endif
#if defined(DEBUG) || defined(CONFIG_BRCM_TRACING)
__printf(3, 4)
void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...);
#define brcmf_dbg(level, fmt, ...) \
do { \
__brcmf_dbg(BRCMF_##level##_VAL, __func__, \
fmt, ##__VA_ARGS__); \
} while (0)
#define BRCMF_DATA_ON() (brcmf_msg_level & BRCMF_DATA_VAL)
#define BRCMF_CTL_ON() (brcmf_msg_level & BRCMF_CTL_VAL)
#define BRCMF_HDRS_ON() (brcmf_msg_level & BRCMF_HDRS_VAL)
#define BRCMF_BYTES_ON() (brcmf_msg_level & BRCMF_BYTES_VAL)
#define BRCMF_GLOM_ON() (brcmf_msg_level & BRCMF_GLOM_VAL)
#define BRCMF_EVENT_ON() (brcmf_msg_level & BRCMF_EVENT_VAL)
#define BRCMF_FIL_ON() (brcmf_msg_level & BRCMF_FIL_VAL)
#else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
#define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#define BRCMF_DATA_ON() 0
#define BRCMF_CTL_ON() 0
#define BRCMF_HDRS_ON() 0
#define BRCMF_BYTES_ON() 0
#define BRCMF_GLOM_ON() 0
#define BRCMF_EVENT_ON() 0
#define BRCMF_FIL_ON() 0
#endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
#define brcmf_dbg_hex_dump(test, data, len, fmt, ...) \
do { \
trace_brcmf_hexdump((void *)data, len); \
if (test) \
brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__); \
} while (0)
extern int brcmf_msg_level;
/*
* hold counter variables used in brcmfmac sdio driver.
*/
struct brcmf_sdio_count {
uint intrcount; /* Count of device interrupt callbacks */
uint lastintrs; /* Count as of last watchdog timer */
uint pollcnt; /* Count of active polls */
uint regfails; /* Count of R_REG failures */
uint tx_sderrs; /* Count of tx attempts with sd errors */
uint fcqueued; /* Tx packets that got queued */
uint rxrtx; /* Count of rtx requests (NAK to dongle) */
uint rx_toolong; /* Receive frames too long to receive */
uint rxc_errors; /* SDIO errors when reading control frames */
uint rx_hdrfail; /* SDIO errors on header reads */
uint rx_badhdr; /* Bad received headers (roosync?) */
uint rx_badseq; /* Mismatched rx sequence number */
uint fc_rcvd; /* Number of flow-control events received */
uint fc_xoff; /* Number which turned on flow-control */
uint fc_xon; /* Number which turned off flow-control */
uint rxglomfail; /* Failed deglom attempts */
uint rxglomframes; /* Number of glom frames (superframes) */
uint rxglompkts; /* Number of packets from glom frames */
uint f2rxhdrs; /* Number of header reads */
uint f2rxdata; /* Number of frame data reads */
uint f2txdata; /* Number of f2 frame writes */
uint f1regdata; /* Number of f1 register accesses */
uint tickcnt; /* Number of watchdog been schedule */
ulong tx_ctlerrs; /* Err of sending ctrl frames */
ulong tx_ctlpkts; /* Ctrl frames sent to dongle */
ulong rx_ctlerrs; /* Err of processing rx ctrl frames */
ulong rx_ctlpkts; /* Ctrl frames processed from dongle */
ulong rx_readahead_cnt; /* packets where header read-ahead was used */
};
struct brcmf_fws_stats {
u32 tlv_parse_failed;
u32 tlv_invalid_type;
u32 header_only_pkt;
u32 header_pulls;
u32 pkt2bus;
u32 send_pkts[5];
u32 fifo_credits_sent[5];
u32 fifo_credits_back[6];
u32 generic_error;
u32 mac_update_failed;
u32 mac_ps_update_failed;
u32 if_update_failed;
u32 packet_request_failed;
u32 credit_request_failed;
u32 rollback_success;
u32 rollback_failed;
u32 delayq_full_error;
u32 supprq_full_error;
u32 txs_indicate;
u32 txs_discard;
u32 txs_supp_core;
u32 txs_supp_ps;
u32 txs_tossed;
};
struct brcmf_pub;
#ifdef DEBUG
void brcmf_debugfs_init(void);
void brcmf_debugfs_exit(void);
int brcmf_debugfs_attach(struct brcmf_pub *drvr);
void brcmf_debugfs_detach(struct brcmf_pub *drvr);
struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
struct brcmf_sdio_count *sdcnt);
void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
struct brcmf_fws_stats *stats);
#else
static inline void brcmf_debugfs_init(void)
{
}
static inline void brcmf_debugfs_exit(void)
{
}
static inline int brcmf_debugfs_attach(struct brcmf_pub *drvr)
{
return 0;
}
static inline void brcmf_debugfs_detach(struct brcmf_pub *drvr)
{
}
static inline void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
struct brcmf_fws_stats *stats)
{
}
#endif
#endif /* _BRCMF_DBG_H_ */

1074
drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c Normal file
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42
drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h Normal file
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/*
* 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.
*/
#ifndef _BRCMF_PROTO_H_
#define _BRCMF_PROTO_H_
/*
* Exported from the brcmf protocol module (brcmf_cdc)
*/
/* Linkage, sets prot link and updates hdrlen in pub */
extern int brcmf_proto_attach(struct brcmf_pub *drvr);
/* Unlink, frees allocated protocol memory (including brcmf_proto) */
extern void brcmf_proto_detach(struct brcmf_pub *drvr);
/* Stop protocol: sync w/dongle state. */
extern void brcmf_proto_stop(struct brcmf_pub *drvr);
/* Add any protocol-specific data header.
* Caller must reserve prot_hdrlen prepend space.
*/
extern void brcmf_proto_hdrpush(struct brcmf_pub *, int ifidx, u8 offset,
struct sk_buff *txp);
/* Sets dongle media info (drv_version, mac address). */
extern int brcmf_c_preinit_dcmds(struct brcmf_if *ifp);
#endif /* _BRCMF_PROTO_H_ */

4043
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c Normal file
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452
drivers/net/wireless/brcm80211/brcmfmac/fweh.c Normal file
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/*
* Copyright (c) 2012 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/netdevice.h>
#include "brcmu_wifi.h"
#include "brcmu_utils.h"
#include "dhd.h"
#include "dhd_dbg.h"
#include "tracepoint.h"
#include "fwsignal.h"
#include "fweh.h"
#include "fwil.h"
/**
* struct brcm_ethhdr - broadcom specific ether header.
*
* @subtype: subtype for this packet.
* @length: TODO: length of appended data.
* @version: version indication.
* @oui: OUI of this packet.
* @usr_subtype: subtype for this OUI.
*/
struct brcm_ethhdr {
__be16 subtype;
__be16 length;
u8 version;
u8 oui[3];
__be16 usr_subtype;
} __packed;
struct brcmf_event_msg_be {
__be16 version;
__be16 flags;
__be32 event_type;
__be32 status;
__be32 reason;
__be32 auth_type;
__be32 datalen;
u8 addr[ETH_ALEN];
char ifname[IFNAMSIZ];
u8 ifidx;
u8 bsscfgidx;
} __packed;
/**
* struct brcmf_event - contents of broadcom event packet.
*
* @eth: standard ether header.
* @hdr: broadcom specific ether header.
* @msg: common part of the actual event message.
*/
struct brcmf_event {
struct ethhdr eth;
struct brcm_ethhdr hdr;
struct brcmf_event_msg_be msg;
} __packed;
/**
* struct brcmf_fweh_queue_item - event item on event queue.
*
* @q: list element for queuing.
* @code: event code.
* @ifidx: interface index related to this event.
* @ifaddr: ethernet address for interface.
* @emsg: common parameters of the firmware event message.
* @data: event specific data part of the firmware event.
*/
struct brcmf_fweh_queue_item {
struct list_head q;
enum brcmf_fweh_event_code code;
u8 ifidx;
u8 ifaddr[ETH_ALEN];
struct brcmf_event_msg_be emsg;
u8 data[0];
};
/**
* struct brcmf_fweh_event_name - code, name mapping entry.
*/
struct brcmf_fweh_event_name {
enum brcmf_fweh_event_code code;
const char *name;
};
#ifdef DEBUG
#define BRCMF_ENUM_DEF(id, val) \
{ val, #id },
/* array for mapping code to event name */
static struct brcmf_fweh_event_name fweh_event_names[] = {
BRCMF_FWEH_EVENT_ENUM_DEFLIST
};
#undef BRCMF_ENUM_DEF
/**
* brcmf_fweh_event_name() - returns name for given event code.
*
* @code: code to lookup.
*/
static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code)
{
int i;
for (i = 0; i < ARRAY_SIZE(fweh_event_names); i++) {
if (fweh_event_names[i].code == code)
return fweh_event_names[i].name;
}
return "unknown";
}
#else
static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code)
{
return "nodebug";
}
#endif
/**
* brcmf_fweh_queue_event() - create and queue event.
*
* @fweh: firmware event handling info.
* @event: event queue entry.
*/
static void brcmf_fweh_queue_event(struct brcmf_fweh_info *fweh,
struct brcmf_fweh_queue_item *event)
{
ulong flags;
spin_lock_irqsave(&fweh->evt_q_lock, flags);
list_add_tail(&event->q, &fweh->event_q);
spin_unlock_irqrestore(&fweh->evt_q_lock, flags);
schedule_work(&fweh->event_work);
}
static int brcmf_fweh_call_event_handler(struct brcmf_if *ifp,
enum brcmf_fweh_event_code code,
struct brcmf_event_msg *emsg,
void *data)
{
struct brcmf_fweh_info *fweh;
int err = -EINVAL;
if (ifp) {
fweh = &ifp->drvr->fweh;
/* handle the event if valid interface and handler */
if (fweh->evt_handler[code])
err = fweh->evt_handler[code](ifp, emsg, data);
else
brcmf_err("unhandled event %d ignored\n", code);
} else {
brcmf_err("no interface object\n");
}
return err;
}
/**
* brcmf_fweh_handle_if_event() - handle IF event.
*
* @drvr: driver information object.
* @item: queue entry.
* @ifpp: interface object (may change upon ADD action).
*/
static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
struct brcmf_event_msg *emsg,
void *data)
{
struct brcmf_if_event *ifevent = data;
struct brcmf_if *ifp;
int err = 0;
brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n",
ifevent->action, ifevent->ifidx, ifevent->bssidx,
ifevent->flags, ifevent->role);
if (ifevent->ifidx >= BRCMF_MAX_IFS) {
brcmf_err("invalid interface index: %u\n",
ifevent->ifidx);
return;
}
ifp = drvr->iflist[ifevent->bssidx];
if (ifevent->action == BRCMF_E_IF_ADD) {
brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname,
emsg->addr);
ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx,
emsg->ifname, emsg->addr);
if (IS_ERR(ifp))
return;
brcmf_fws_add_interface(ifp);
if (!drvr->fweh.evt_handler[BRCMF_E_IF])
if (brcmf_net_attach(ifp, false) < 0)
return;
}
if (ifevent->action == BRCMF_E_IF_CHANGE)
brcmf_fws_reset_interface(ifp);
err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data);
if (ifevent->action == BRCMF_E_IF_DEL) {
brcmf_fws_del_interface(ifp);
brcmf_del_if(drvr, ifevent->bssidx);
}
}
/**
* brcmf_fweh_dequeue_event() - get event from the queue.
*
* @fweh: firmware event handling info.
*/
static struct brcmf_fweh_queue_item *
brcmf_fweh_dequeue_event(struct brcmf_fweh_info *fweh)
{
struct brcmf_fweh_queue_item *event = NULL;
ulong flags;
spin_lock_irqsave(&fweh->evt_q_lock, flags);
if (!list_empty(&fweh->event_q)) {
event = list_first_entry(&fweh->event_q,
struct brcmf_fweh_queue_item, q);
list_del(&event->q);
}
spin_unlock_irqrestore(&fweh->evt_q_lock, flags);
return event;
}
/**
* brcmf_fweh_event_worker() - firmware event worker.
*
* @work: worker object.
*/
static void brcmf_fweh_event_worker(struct work_struct *work)
{
struct brcmf_pub *drvr;
struct brcmf_if *ifp;
struct brcmf_fweh_info *fweh;
struct brcmf_fweh_queue_item *event;
int err = 0;
struct brcmf_event_msg_be *emsg_be;
struct brcmf_event_msg emsg;
fweh = container_of(work, struct brcmf_fweh_info, event_work);
drvr = container_of(fweh, struct brcmf_pub, fweh);
while ((event = brcmf_fweh_dequeue_event(fweh))) {
brcmf_dbg(EVENT, "event %s (%u) ifidx %u bsscfg %u addr %pM\n",
brcmf_fweh_event_name(event->code), event->code,
event->emsg.ifidx, event->emsg.bsscfgidx,
event->emsg.addr);
/* convert event message */
emsg_be = &event->emsg;
emsg.version = be16_to_cpu(emsg_be->version);
emsg.flags = be16_to_cpu(emsg_be->flags);
emsg.event_code = event->code;
emsg.status = be32_to_cpu(emsg_be->status);
emsg.reason = be32_to_cpu(emsg_be->reason);
emsg.auth_type = be32_to_cpu(emsg_be->auth_type);
emsg.datalen = be32_to_cpu(emsg_be->datalen);
memcpy(emsg.addr, emsg_be->addr, ETH_ALEN);
memcpy(emsg.ifname, emsg_be->ifname, sizeof(emsg.ifname));
emsg.ifidx = emsg_be->ifidx;
emsg.bsscfgidx = emsg_be->bsscfgidx;
brcmf_dbg(EVENT, " version %u flags %u status %u reason %u\n",
emsg.version, emsg.flags, emsg.status, emsg.reason);
brcmf_dbg_hex_dump(BRCMF_EVENT_ON(), event->data,
min_t(u32, emsg.datalen, 64),
"event payload, len=%d\n", emsg.datalen);
/* special handling of interface event */
if (event->code == BRCMF_E_IF) {
brcmf_fweh_handle_if_event(drvr, &emsg, event->data);
goto event_free;
}
ifp = drvr->iflist[emsg.bsscfgidx];
err = brcmf_fweh_call_event_handler(ifp, event->code, &emsg,
event->data);
if (err) {
brcmf_err("event handler failed (%d)\n",
event->code);
err = 0;
}
event_free:
kfree(event);
}
}
/**
* brcmf_fweh_attach() - initialize firmware event handling.
*
* @drvr: driver information object.
*/
void brcmf_fweh_attach(struct brcmf_pub *drvr)
{
struct brcmf_fweh_info *fweh = &drvr->fweh;
INIT_WORK(&fweh->event_work, brcmf_fweh_event_worker);
spin_lock_init(&fweh->evt_q_lock);
INIT_LIST_HEAD(&fweh->event_q);
}
/**
* brcmf_fweh_detach() - cleanup firmware event handling.
*
* @drvr: driver information object.
*/
void brcmf_fweh_detach(struct brcmf_pub *drvr)
{
struct brcmf_fweh_info *fweh = &drvr->fweh;
struct brcmf_if *ifp = drvr->iflist[0];
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
if (ifp) {
/* clear all events */
memset(eventmask, 0, BRCMF_EVENTING_MASK_LEN);
(void)brcmf_fil_iovar_data_set(ifp, "event_msgs",
eventmask,
BRCMF_EVENTING_MASK_LEN);
}
/* cancel the worker */
cancel_work_sync(&fweh->event_work);
WARN_ON(!list_empty(&fweh->event_q));
memset(fweh->evt_handler, 0, sizeof(fweh->evt_handler));
}
/**
* brcmf_fweh_register() - register handler for given event code.
*
* @drvr: driver information object.
* @code: event code.
* @handler: handler for the given event code.
*/
int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
brcmf_fweh_handler_t handler)
{
if (drvr->fweh.evt_handler[code]) {
brcmf_err("event code %d already registered\n", code);
return -ENOSPC;
}
drvr->fweh.evt_handler[code] = handler;
brcmf_dbg(TRACE, "event handler registered for %s\n",
brcmf_fweh_event_name(code));
return 0;
}
/**
* brcmf_fweh_unregister() - remove handler for given code.
*
* @drvr: driver information object.
* @code: event code.
*/
void brcmf_fweh_unregister(struct brcmf_pub *drvr,
enum brcmf_fweh_event_code code)
{
brcmf_dbg(TRACE, "event handler cleared for %s\n",
brcmf_fweh_event_name(code));
drvr->fweh.evt_handler[code] = NULL;
}
/**
* brcmf_fweh_activate_events() - enables firmware events registered.
*
* @ifp: primary interface object.
*/
int brcmf_fweh_activate_events(struct brcmf_if *ifp)
{
int i, err;
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
for (i = 0; i < BRCMF_E_LAST; i++) {
if (ifp->drvr->fweh.evt_handler[i]) {
brcmf_dbg(EVENT, "enable event %s\n",
brcmf_fweh_event_name(i));
setbit(eventmask, i);
}
}
/* want to handle IF event as well */
brcmf_dbg(EVENT, "enable event IF\n");
setbit(eventmask, BRCMF_E_IF);
err = brcmf_fil_iovar_data_set(ifp, "event_msgs",
eventmask, BRCMF_EVENTING_MASK_LEN);
if (err)
brcmf_err("Set event_msgs error (%d)\n", err);
return err;
}
/**
* brcmf_fweh_process_event() - process skb as firmware event.
*
* @drvr: driver information object.
* @event_packet: event packet to process.
*
* If the packet buffer contains a firmware event message it will
* dispatch the event to a registered handler (using worker).
*/
void brcmf_fweh_process_event(struct brcmf_pub *drvr,
struct brcmf_event *event_packet)
{
enum brcmf_fweh_event_code code;
struct brcmf_fweh_info *fweh = &drvr->fweh;
struct brcmf_fweh_queue_item *event;
gfp_t alloc_flag = GFP_KERNEL;
void *data;
u32 datalen;
/* get event info */
code = get_unaligned_be32(&event_packet->msg.event_type);
datalen = get_unaligned_be32(&event_packet->msg.datalen);
data = &event_packet[1];
if (code >= BRCMF_E_LAST)
return;
if (code != BRCMF_E_IF && !fweh->evt_handler[code])
return;
if (in_interrupt())
alloc_flag = GFP_ATOMIC;
event = kzalloc(sizeof(*event) + datalen, alloc_flag);
if (!event)
return;
event->code = code;
event->ifidx = event_packet->msg.ifidx;
/* use memcpy to get aligned event message */
memcpy(&event->emsg, &event_packet->msg, sizeof(event->emsg));
memcpy(event->data, data, datalen);
memcpy(event->ifaddr, event_packet->eth.h_dest, ETH_ALEN);
brcmf_fweh_queue_event(fweh, event);
}

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/*
* Copyright (c) 2012 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 FWEH_H_
#define FWEH_H_
#include <asm/unaligned.h>
#include <linux/skbuff.h>
#include <linux/if_ether.h>
#include <linux/if.h>
/* formward declarations */
struct brcmf_pub;
struct brcmf_if;
struct brcmf_cfg80211_info;
struct brcmf_event;
/* list of firmware events */
#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \
BRCMF_ENUM_DEF(SET_SSID, 0) \
BRCMF_ENUM_DEF(JOIN, 1) \
BRCMF_ENUM_DEF(START, 2) \
BRCMF_ENUM_DEF(AUTH, 3) \
BRCMF_ENUM_DEF(AUTH_IND, 4) \
BRCMF_ENUM_DEF(DEAUTH, 5) \
BRCMF_ENUM_DEF(DEAUTH_IND, 6) \
BRCMF_ENUM_DEF(ASSOC, 7) \
BRCMF_ENUM_DEF(ASSOC_IND, 8) \
BRCMF_ENUM_DEF(REASSOC, 9) \
BRCMF_ENUM_DEF(REASSOC_IND, 10) \
BRCMF_ENUM_DEF(DISASSOC, 11) \
BRCMF_ENUM_DEF(DISASSOC_IND, 12) \
BRCMF_ENUM_DEF(QUIET_START, 13) \
BRCMF_ENUM_DEF(QUIET_END, 14) \
BRCMF_ENUM_DEF(BEACON_RX, 15) \
BRCMF_ENUM_DEF(LINK, 16) \
BRCMF_ENUM_DEF(MIC_ERROR, 17) \
BRCMF_ENUM_DEF(NDIS_LINK, 18) \
BRCMF_ENUM_DEF(ROAM, 19) \
BRCMF_ENUM_DEF(TXFAIL, 20) \
BRCMF_ENUM_DEF(PMKID_CACHE, 21) \
BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \
BRCMF_ENUM_DEF(PRUNE, 23) \
BRCMF_ENUM_DEF(AUTOAUTH, 24) \
BRCMF_ENUM_DEF(EAPOL_MSG, 25) \
BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \
BRCMF_ENUM_DEF(ADDTS_IND, 27) \
BRCMF_ENUM_DEF(DELTS_IND, 28) \
BRCMF_ENUM_DEF(BCNSENT_IND, 29) \
BRCMF_ENUM_DEF(BCNRX_MSG, 30) \
BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \
BRCMF_ENUM_DEF(ROAM_PREP, 32) \
BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \
BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \
BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \
BRCMF_ENUM_DEF(JOIN_START, 36) \
BRCMF_ENUM_DEF(ROAM_START, 37) \
BRCMF_ENUM_DEF(ASSOC_START, 38) \
BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \
BRCMF_ENUM_DEF(RADIO, 40) \
BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \
BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \
BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \
BRCMF_ENUM_DEF(PSK_SUP, 46) \
BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \
BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \
BRCMF_ENUM_DEF(ICV_ERROR, 49) \
BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \
BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
BRCMF_ENUM_DEF(TRACE, 52) \
BRCMF_ENUM_DEF(IF, 54) \
BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
BRCMF_ENUM_DEF(RSSI, 56) \
BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \
BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \
BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \
BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \
BRCMF_ENUM_DEF(AP_STARTED, 64) \
BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \
BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75)
#define BRCMF_ENUM_DEF(id, val) \
BRCMF_E_##id = (val),
/* firmware event codes sent by the dongle */
enum brcmf_fweh_event_code {
BRCMF_FWEH_EVENT_ENUM_DEFLIST
BRCMF_E_LAST
};
#undef BRCMF_ENUM_DEF
/* flags field values in struct brcmf_event_msg */
#define BRCMF_EVENT_MSG_LINK 0x01
#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02
#define BRCMF_EVENT_MSG_GROUP 0x04
/**
* definitions for event packet validation.
*/
#define BRCMF_EVENT_OUI_OFFSET 19
#define BRCM_OUI "\x00\x10\x18"
#define DOT11_OUI_LEN 3
#define BCMILCP_BCM_SUBTYPE_EVENT 1
/**
* struct brcmf_event_msg - firmware event message.
*
* @version: version information.
* @flags: event flags.
* @event_code: firmware event code.
* @status: status information.
* @reason: reason code.
* @auth_type: authentication type.
* @datalen: lenght of event data buffer.
* @addr: ether address.
* @ifname: interface name.
* @ifidx: interface index.
* @bsscfgidx: bsscfg index.
*/
struct brcmf_event_msg {
u16 version;
u16 flags;
u32 event_code;
u32 status;
u32 reason;
s32 auth_type;
u32 datalen;
u8 addr[ETH_ALEN];
char ifname[IFNAMSIZ];
u8 ifidx;
u8 bsscfgidx;
};
typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp,
const struct brcmf_event_msg *evtmsg,
void *data);
/**
* struct brcmf_fweh_info - firmware event handling information.
*
* @event_work: event worker.
* @evt_q_lock: lock for event queue protection.
* @event_q: event queue.
* @evt_handler: registered event handlers.
*/
struct brcmf_fweh_info {
struct work_struct event_work;
spinlock_t evt_q_lock;
struct list_head event_q;
int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp,
const struct brcmf_event_msg *evtmsg,
void *data);
};
void brcmf_fweh_attach(struct brcmf_pub *drvr);
void brcmf_fweh_detach(struct brcmf_pub *drvr);
int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
int (*handler)(struct brcmf_if *ifp,
const struct brcmf_event_msg *evtmsg,
void *data));
void brcmf_fweh_unregister(struct brcmf_pub *drvr,
enum brcmf_fweh_event_code code);
int brcmf_fweh_activate_events(struct brcmf_if *ifp);
void brcmf_fweh_process_event(struct brcmf_pub *drvr,
struct brcmf_event *event_packet);
static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
struct sk_buff *skb)
{
struct brcmf_event *event_packet;
u8 *data;
u16 usr_stype;
/* only process events when protocol matches */
if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
return;
/* check for BRCM oui match */
event_packet = (struct brcmf_event *)skb_mac_header(skb);
data = (u8 *)event_packet;
data += BRCMF_EVENT_OUI_OFFSET;
if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN))
return;
/* final match on usr_subtype */
data += DOT11_OUI_LEN;
usr_stype = get_unaligned_be16(data);
if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT)
return;
brcmf_fweh_process_event(drvr, event_packet);
}
#endif /* FWEH_H_ */

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/*
* Copyright (c) 2012 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.
*/
/* FWIL is the Firmware Interface Layer. In this module the support functions
* are located to set and get variables to and from the firmware.
*/
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include "dhd.h"
#include "dhd_bus.h"
#include "dhd_dbg.h"
#include "tracepoint.h"
#include "fwil.h"
#define MAX_HEX_DUMP_LEN 64
static s32
brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
{
struct brcmf_pub *drvr = ifp->drvr;
s32 err;
if (drvr->bus_if->state != BRCMF_BUS_DATA) {
brcmf_err("bus is down. we have nothing to do.\n");
return -EIO;
}
if (data != NULL)
len = min_t(uint, len, BRCMF_DCMD_MAXLEN);
if (set)
err = brcmf_proto_cdc_set_dcmd(drvr, ifp->ifidx, cmd, data,
len);
else
err = brcmf_proto_cdc_query_dcmd(drvr, ifp->ifidx, cmd, data,
len);
if (err >= 0)
err = 0;
else
brcmf_err("Failed err=%d\n", err);
return err;
}
s32
brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
{
s32 err;
mutex_lock(&ifp->drvr->proto_block);
brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len);
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
err = brcmf_fil_cmd_data(ifp, cmd, data, len, true);
mutex_unlock(&ifp->drvr->proto_block);
return err;
}
s32
brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len)
{
s32 err;
mutex_lock(&ifp->drvr->proto_block);
err = brcmf_fil_cmd_data(ifp, cmd, data, len, false);
brcmf_dbg(FIL, "cmd=%d, len=%d\n", cmd, len);
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
mutex_unlock(&ifp->drvr->proto_block);
return err;
}
s32
brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data)
{
s32 err;
__le32 data_le = cpu_to_le32(data);
mutex_lock(&ifp->drvr->proto_block);
brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, data);
err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true);
mutex_unlock(&ifp->drvr->proto_block);
return err;
}
s32
brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data)
{
s32 err;
__le32 data_le = cpu_to_le32(*data);
mutex_lock(&ifp->drvr->proto_block);
err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false);
mutex_unlock(&ifp->drvr->proto_block);
*data = le32_to_cpu(data_le);
brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, *data);
return err;
}
static u32
brcmf_create_iovar(char *name, char *data, u32 datalen, char *buf, u32 buflen)
{
u32 len;
len = strlen(name) + 1;
if ((len + datalen) > buflen)
return 0;
memcpy(buf, name, len);
/* append data onto the end of the name string */
if (data && datalen)
memcpy(&buf[len], data, datalen);
return len + datalen;
}
s32
brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, void *data,
u32 len)
{
struct brcmf_pub *drvr = ifp->drvr;
s32 err;
u32 buflen;
mutex_lock(&drvr->proto_block);
brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
sizeof(drvr->proto_buf));
if (buflen) {
err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
buflen, true);
} else {
err = -EPERM;
brcmf_err("Creating iovar failed\n");
}
mutex_unlock(&drvr->proto_block);
return err;
}
s32
brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data,
u32 len)
{
struct brcmf_pub *drvr = ifp->drvr;
s32 err;
u32 buflen;
mutex_lock(&drvr->proto_block);
buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf,
sizeof(drvr->proto_buf));
if (buflen) {
err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
buflen, false);
if (err == 0)
memcpy(data, drvr->proto_buf, len);
} else {
err = -EPERM;
brcmf_err("Creating iovar failed\n");
}
brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
mutex_unlock(&drvr->proto_block);
return err;
}
s32
brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data)
{
__le32 data_le = cpu_to_le32(data);
return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le));
}
s32
brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data)
{
__le32 data_le = cpu_to_le32(*data);
s32 err;
err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le));
if (err == 0)
*data = le32_to_cpu(data_le);
return err;
}
static u32
brcmf_create_bsscfg(s32 bssidx, char *name, char *data, u32 datalen, char *buf,
u32 buflen)
{
const s8 *prefix = "bsscfg:";
s8 *p;
u32 prefixlen;
u32 namelen;
u32 iolen;
__le32 bssidx_le;
if (bssidx == 0)
return brcmf_create_iovar(name, data, datalen, buf, buflen);
prefixlen = strlen(prefix);
namelen = strlen(name) + 1; /* lengh of iovar name + null */
iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;
if (buflen < iolen) {
brcmf_err("buffer is too short\n");
return 0;
}
p = buf;
/* copy prefix, no null */
memcpy(p, prefix, prefixlen);
p += prefixlen;
/* copy iovar name including null */
memcpy(p, name, namelen);
p += namelen;
/* bss config index as first data */
bssidx_le = cpu_to_le32(bssidx);
memcpy(p, &bssidx_le, sizeof(bssidx_le));
p += sizeof(bssidx_le);
/* parameter buffer follows */
if (datalen)
memcpy(p, data, datalen);
return iolen;
}
s32
brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name,
void *data, u32 len)
{
struct brcmf_pub *drvr = ifp->drvr;
s32 err;
u32 buflen;
mutex_lock(&drvr->proto_block);
brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
drvr->proto_buf, sizeof(drvr->proto_buf));
if (buflen) {
err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf,
buflen, true);
} else {
err = -EPERM;
brcmf_err("Creating bsscfg failed\n");
}
mutex_unlock(&drvr->proto_block);
return err;
}
s32
brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name,
void *data, u32 len)
{
struct brcmf_pub *drvr = ifp->drvr;
s32 err;
u32 buflen;
mutex_lock(&drvr->proto_block);
buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
drvr->proto_buf, sizeof(drvr->proto_buf));
if (buflen) {
err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,
buflen, false);
if (err == 0)
memcpy(data, drvr->proto_buf, len);
} else {
err = -EPERM;
brcmf_err("Creating bsscfg failed\n");
}
brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,
min_t(uint, len, MAX_HEX_DUMP_LEN), "data");
mutex_unlock(&drvr->proto_block);
return err;
}
s32
brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data)
{
__le32 data_le = cpu_to_le32(data);
return brcmf_fil_bsscfg_data_set(ifp, name, &data_le,
sizeof(data_le));
}
s32
brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data)
{
__le32 data_le = cpu_to_le32(*data);
s32 err;
err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le,
sizeof(data_le));
if (err == 0)
*data = le32_to_cpu(data_le);
return err;
}

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/*
* Copyright (c) 2012 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 _fwil_h_
#define _fwil_h_
s32 brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len);
s32 brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len);
s32 brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data);
s32 brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data);
s32 brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, void *data,
u32 len);
s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data,
u32 len);
s32 brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data);
s32 brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data);
s32 brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, void *data,
u32 len);
s32 brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, void *data,
u32 len);
s32 brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data);
s32 brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data);
#endif /* _fwil_h_ */

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/*
* Copyright (c) 2012 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 FWIL_TYPES_H_
#define FWIL_TYPES_H_
#include <linux/if_ether.h>
#define BRCMF_FIL_ACTION_FRAME_SIZE 1800
/* ARP Offload feature flags for arp_ol iovar */
#define BRCMF_ARP_OL_AGENT 0x00000001
#define BRCMF_ARP_OL_SNOOP 0x00000002
#define BRCMF_ARP_OL_HOST_AUTO_REPLY 0x00000004
#define BRCMF_ARP_OL_PEER_AUTO_REPLY 0x00000008
enum brcmf_fil_p2p_if_types {
BRCMF_FIL_P2P_IF_CLIENT,
BRCMF_FIL_P2P_IF_GO,
BRCMF_FIL_P2P_IF_DYNBCN_GO,
BRCMF_FIL_P2P_IF_DEV,
};
struct brcmf_fil_p2p_if_le {
u8 addr[ETH_ALEN];
__le16 type;
__le16 chspec;
};
struct brcmf_fil_chan_info_le {
__le32 hw_channel;
__le32 target_channel;
__le32 scan_channel;
};
struct brcmf_fil_action_frame_le {
u8 da[ETH_ALEN];
__le16 len;
__le32 packet_id;
u8 data[BRCMF_FIL_ACTION_FRAME_SIZE];
};
struct brcmf_fil_af_params_le {
__le32 channel;
__le32 dwell_time;
u8 bssid[ETH_ALEN];
u8 pad[2];
struct brcmf_fil_action_frame_le action_frame;
};
struct brcmf_fil_bss_enable_le {
__le32 bsscfg_idx;
__le32 enable;
};
#endif /* FWIL_TYPES_H_ */

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/*
* Copyright (c) 2012 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 FWSIGNAL_H_
#define FWSIGNAL_H_
int brcmf_fws_init(struct brcmf_pub *drvr);
void brcmf_fws_deinit(struct brcmf_pub *drvr);
bool brcmf_fws_fc_active(struct brcmf_fws_info *fws);
int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len,
struct sk_buff *skb);
int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb);
void brcmf_fws_reset_interface(struct brcmf_if *ifp);
void brcmf_fws_add_interface(struct brcmf_if *ifp);
void brcmf_fws_del_interface(struct brcmf_if *ifp);
void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb);
#endif /* FWSIGNAL_H_ */

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/*
* Copyright (c) 2012 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 WL_CFGP2P_H_
#define WL_CFGP2P_H_
#include <net/cfg80211.h>
struct brcmf_cfg80211_info;
/**
* enum p2p_bss_type - different type of BSS configurations.
*
* @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg.
* @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg.
* @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg.
* @P2PAPI_BSSCFG_MAX: used for range checking.
*/
enum p2p_bss_type {
P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */
P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */
P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */
P2PAPI_BSSCFG_MAX
};
/**
* struct p2p_bss - peer-to-peer bss related information.
*
* @vif: virtual interface of this P2P bss.
* @private_data: TBD
*/
struct p2p_bss {
struct brcmf_cfg80211_vif *vif;
void *private_data;
};
/**
* enum brcmf_p2p_status - P2P specific dongle status.
*
* @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle.
* @BRCMF_P2P_STATUS_IF_DEL: NOT-USED?
* @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle.
* @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle.
* @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle.
* @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed.
* @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked.
* @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing.
* @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel.
* @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame.
* @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx.
* @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response.
* @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active.
*/
enum brcmf_p2p_status {
BRCMF_P2P_STATUS_ENABLED,
BRCMF_P2P_STATUS_IF_ADD,
BRCMF_P2P_STATUS_IF_DEL,
BRCMF_P2P_STATUS_IF_DELETING,
BRCMF_P2P_STATUS_IF_CHANGING,
BRCMF_P2P_STATUS_IF_CHANGED,
BRCMF_P2P_STATUS_ACTION_TX_COMPLETED,
BRCMF_P2P_STATUS_ACTION_TX_NOACK,
BRCMF_P2P_STATUS_GO_NEG_PHASE,
BRCMF_P2P_STATUS_DISCOVER_LISTEN,
BRCMF_P2P_STATUS_SENDING_ACT_FRAME,
BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN,
BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME,
BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL
};
/**
* struct afx_hdl - action frame off channel storage.
*
* @afx_work: worker thread for searching channel
* @act_frm_scan: thread synchronizing struct.
* @is_active: channel searching active.
* @peer_chan: current channel.
* @is_listen: sets mode for afx worker.
* @my_listen_chan: this peers listen channel.
* @peer_listen_chan: remote peers listen channel.
* @tx_dst_addr: mac address where tx af should be sent to.
*/
struct afx_hdl {
struct work_struct afx_work;
struct completion act_frm_scan;
bool is_active;
s32 peer_chan;
bool is_listen;
u16 my_listen_chan;
u16 peer_listen_chan;
u8 tx_dst_addr[ETH_ALEN];
};
/**
* struct brcmf_p2p_info - p2p specific driver information.
*
* @cfg: driver private data for cfg80211 interface.
* @status: status of P2P (see enum brcmf_p2p_status).
* @dev_addr: P2P device address.
* @int_addr: P2P interface address.
* @bss_idx: informate for P2P bss types.
* @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state.
* @ssid: ssid for P2P GO.
* @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state.
* @remain_on_channel: contains copy of struct used by cfg80211.
* @remain_on_channel_cookie: cookie counter for remain on channel cmd
* @next_af_subtype: expected action frame subtype.
* @send_af_done: indication that action frame tx is complete.
* @afx_hdl: action frame search handler info.
* @af_sent_channel: channel action frame is sent.
* @af_tx_sent_jiffies: jiffies time when af tx was transmitted.
* @wait_next_af: thread synchronizing struct.
* @gon_req_action: about to send go negotiation requets frame.
* @block_gon_req_tx: drop tx go negotiation requets frame.
*/
struct brcmf_p2p_info {
struct brcmf_cfg80211_info *cfg;
unsigned long status;
u8 dev_addr[ETH_ALEN];
u8 int_addr[ETH_ALEN];
struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX];
struct timer_list listen_timer;
struct brcmf_ssid ssid;
u8 listen_channel;
struct ieee80211_channel remain_on_channel;
u32 remain_on_channel_cookie;
u8 next_af_subtype;
struct completion send_af_done;
struct afx_hdl afx_hdl;
u32 af_sent_channel;
unsigned long af_tx_sent_jiffies;
struct completion wait_next_af;
bool gon_req_action;
bool block_gon_req_tx;
};
s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg);
void brcmf_p2p_detach(struct brcmf_p2p_info *p2p);
struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params);
int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
enum brcmf_fil_p2p_if_types if_type);
int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
int brcmf_p2p_scan_prep(struct wiphy *wiphy,
struct cfg80211_scan_request *request,
struct brcmf_cfg80211_vif *vif);
int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *channel,
unsigned int duration, u64 *cookie);
int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
const struct brcmf_event_msg *e,
void *data);
void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp);
int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
const struct brcmf_event_msg *e,
void *data);
int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
const struct brcmf_event_msg *e,
void *data);
bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
struct brcmf_fil_af_params_le *af_params);
bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
struct brcmf_bss_info_le *bi);
s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
const struct brcmf_event_msg *e,
void *data);
#endif /* WL_CFGP2P_H_ */

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/*
* 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.
*/
/* ***** SDIO interface chip backplane handle functions ***** */
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/mmc/card.h>
#include <linux/ssb/ssb_regs.h>
#include <linux/bcma/bcma.h>
#include <chipcommon.h>
#include <brcm_hw_ids.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include <soc.h>
#include "dhd_dbg.h"
#include "sdio_host.h"
#include "sdio_chip.h"
/* chip core base & ramsize */
/* 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
/* bcm43143 */
/* SDIO device core */
#define BCM43143_CORE_BUS_BASE 0x18002000
/* internal memory core */
#define BCM43143_CORE_SOCRAM_BASE 0x18004000
/* ARM Cortex M3 core, ID 0x82a */
#define BCM43143_CORE_ARM_BASE 0x18003000
#define BCM43143_RAMSIZE 0x70000
#define SBCOREREV(sbidh) \
((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \
((sbidh) & SSB_IDHIGH_RCLO))
/* SOC Interconnect types (aka chip types) */
#define SOCI_SB 0
#define SOCI_AI 1
/* EROM CompIdentB */
#define CIB_REV_MASK 0xff000000
#define CIB_REV_SHIFT 24
/* ARM CR4 core specific control flag bits */
#define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020
#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
/* SDIO Pad drive strength to select value mappings */
struct sdiod_drive_str {
u8 strength; /* Pad Drive Strength in mA */
u8 sel; /* Chip-specific select value */
};
/* SDIO Drive Strength to sel value table for PMU Rev 11 (1.8V) */
static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = {
{32, 0x6},
{26, 0x7},
{22, 0x4},
{16, 0x5},
{12, 0x2},
{8, 0x3},
{4, 0x0},
{0, 0x1}
};
/* SDIO Drive Strength to sel value table for 43143 PMU Rev 17 (3.3V) */
static const struct sdiod_drive_str sdiod_drvstr_tab2_3v3[] = {
{16, 0x7},
{12, 0x5},
{8, 0x3},
{4, 0x1}
};
u8
brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid)
{
u8 idx;
for (idx = 0; idx < BRCMF_MAX_CORENUM; idx++)
if (coreid == ci->c_inf[idx].id)
return idx;
return BRCMF_MAX_CORENUM;
}
static u32
brcmf_sdio_sb_corerev(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
{
u32 regdata;
u8 idx;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbidhigh),
NULL);
return SBCOREREV(regdata);
}
static u32
brcmf_sdio_ai_corerev(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
{
u8 idx;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
return (ci->c_inf[idx].cib & CIB_REV_MASK) >> CIB_REV_SHIFT;
}
static bool
brcmf_sdio_sb_iscoreup(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
{
u32 regdata;
u8 idx;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
NULL);
regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT |
SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK);
return (SSB_TMSLOW_CLOCK == regdata);
}
static bool
brcmf_sdio_ai_iscoreup(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
{
u32 regdata;
u8 idx;
bool ret;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
NULL);
ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK;
regdata = brcmf_sdio_regrl(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_RESET_CTL,
NULL);
ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0);
return ret;
}
static void
brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid, u32 core_bits)
{
u32 regdata, base;
u8 idx;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
base = ci->c_inf[idx].base;
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), NULL);
if (regdata & SSB_TMSLOW_RESET)
return;
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow), NULL);
if ((regdata & SSB_TMSLOW_CLOCK) != 0) {
/*
* set target reject and spin until busy is clear
* (preserve core-specific bits)
*/
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow),
NULL);
brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbtmstatelow),
regdata | SSB_TMSLOW_REJECT, NULL);
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow),
NULL);
udelay(1);
SPINWAIT((brcmf_sdio_regrl(sdiodev,
CORE_SB(base, sbtmstatehigh),
NULL) &
SSB_TMSHIGH_BUSY), 100000);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(base, sbtmstatehigh),
NULL);
if (regdata & SSB_TMSHIGH_BUSY)
brcmf_err("core state still busy\n");
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbidlow),
NULL);
if (regdata & SSB_IDLOW_INITIATOR) {
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(base, sbimstate),
NULL);
regdata |= SSB_IMSTATE_REJECT;
brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbimstate),
regdata, NULL);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(base, sbimstate),
NULL);
udelay(1);
SPINWAIT((brcmf_sdio_regrl(sdiodev,
CORE_SB(base, sbimstate),
NULL) &
SSB_IMSTATE_BUSY), 100000);
}
/* set reset and reject while enabling the clocks */
regdata = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET;
brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbtmstatelow),
regdata, NULL);
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbtmstatelow),
NULL);
udelay(10);
/* clear the initiator reject bit */
regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbidlow),
NULL);
if (regdata & SSB_IDLOW_INITIATOR) {
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(base, sbimstate),
NULL);
regdata &= ~SSB_IMSTATE_REJECT;
brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbimstate),
regdata, NULL);
}
}
/* leave reset and reject asserted */
brcmf_sdio_regwl(sdiodev, CORE_SB(base, sbtmstatelow),
(SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET), NULL);
udelay(1);
}
static void
brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid, u32 core_bits)
{
u8 idx;
u32 regdata;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
/* if core is already in reset, just return */
regdata = brcmf_sdio_regrl(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_RESET_CTL,
NULL);
if ((regdata & BCMA_RESET_CTL_RESET) != 0)
return;
/* ensure no pending backplane operation
* 300uc should be sufficient for backplane ops to be finish
* extra 10ms is taken into account for firmware load stage
* after 10300us carry on disabling the core anyway
*/
SPINWAIT(brcmf_sdio_regrl(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_RESET_ST,
NULL), 10300);
regdata = brcmf_sdio_regrl(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_RESET_ST,
NULL);
if (regdata)
brcmf_err("disabling core 0x%x with reset status %x\n",
coreid, regdata);
brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL,
BCMA_RESET_CTL_RESET, NULL);
udelay(1);
brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
core_bits, NULL);
regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
NULL);
usleep_range(10, 20);
}
static void
brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid, u32 core_bits)
{
u32 regdata;
u8 idx;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
/*
* Must do the disable sequence first to work for
* arbitrary current core state.
*/
brcmf_sdio_sb_coredisable(sdiodev, ci, coreid, 0);
/*
* Now do the initialization sequence.
* set reset while enabling the clock and
* forcing them on throughout the core
*/
brcmf_sdio_regwl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET,
NULL);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
NULL);
udelay(1);
/* clear any serror */
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatehigh),
NULL);
if (regdata & SSB_TMSHIGH_SERR)
brcmf_sdio_regwl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatehigh),
0, NULL);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbimstate),
NULL);
if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO))
brcmf_sdio_regwl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbimstate),
regdata & ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO),
NULL);
/* clear reset and allow it to propagate throughout the core */
brcmf_sdio_regwl(sdiodev, CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK, NULL);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
NULL);
udelay(1);
/* leave clock enabled */
brcmf_sdio_regwl(sdiodev, CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
SSB_TMSLOW_CLOCK, NULL);
regdata = brcmf_sdio_regrl(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
NULL);
udelay(1);
}
static void
brcmf_sdio_ai_resetcore(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid, u32 core_bits)
{
u8 idx;
u32 regdata;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
/* must disable first to work for arbitrary current core state */
brcmf_sdio_ai_coredisable(sdiodev, ci, coreid, core_bits);
/* now do initialization sequence */
brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
core_bits | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL);
regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
NULL);
brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL,
0, NULL);
regdata = brcmf_sdio_regrl(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_RESET_CTL,
NULL);
udelay(1);
brcmf_sdio_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
core_bits | BCMA_IOCTL_CLK, NULL);
regdata = brcmf_sdio_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
NULL);
udelay(1);
}
#ifdef DEBUG
/* safety check for chipinfo */
static int brcmf_sdio_chip_cichk(struct chip_info *ci)
{
u8 core_idx;
/* check RAM core presence for ARM CM3 core */
core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CM3);
if (BRCMF_MAX_CORENUM != core_idx) {
core_idx = brcmf_sdio_chip_getinfidx(ci,
BCMA_CORE_INTERNAL_MEM);
if (BRCMF_MAX_CORENUM == core_idx) {
brcmf_err("RAM core not provided with ARM CM3 core\n");
return -ENODEV;
}
}
/* check RAM base for ARM CR4 core */
core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CR4);
if (BRCMF_MAX_CORENUM != core_idx) {
if (ci->rambase == 0) {
brcmf_err("RAM base not provided with ARM CR4 core\n");
return -ENOMEM;
}
}
return 0;
}
#else /* DEBUG */
static inline int brcmf_sdio_chip_cichk(struct chip_info *ci)
{
return 0;
}
#endif
static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u32 regs)
{
u32 regdata;
int ret;
/* Get CC core rev
* Chipid is assume to be at offset 0 from regs arg
* For different chiptypes or old sdio hosts w/o chipcommon,
* other ways of recognition should be added here.
*/
ci->c_inf[0].id = BCMA_CORE_CHIPCOMMON;
ci->c_inf[0].base = regs;
regdata = brcmf_sdio_regrl(sdiodev,
CORE_CC_REG(ci->c_inf[0].base, chipid),
NULL);
ci->chip = regdata & CID_ID_MASK;
ci->chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT;
ci->socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
brcmf_dbg(INFO, "chipid=0x%x chiprev=%d\n", ci->chip, ci->chiprev);
/* Address of cores for new chips should be added here */
switch (ci->chip) {
case BCM43143_CHIP_ID:
ci->c_inf[0].wrapbase = ci->c_inf[0].base + 0x00100000;
ci->c_inf[0].cib = 0x2b000000;
ci->c_inf[1].id = BCMA_CORE_SDIO_DEV;
ci->c_inf[1].base = BCM43143_CORE_BUS_BASE;
ci->c_inf[1].wrapbase = ci->c_inf[1].base + 0x00100000;
ci->c_inf[1].cib = 0x18000000;
ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM;
ci->c_inf[2].base = BCM43143_CORE_SOCRAM_BASE;
ci->c_inf[2].wrapbase = ci->c_inf[2].base + 0x00100000;
ci->c_inf[2].cib = 0x14000000;
ci->c_inf[3].id = BCMA_CORE_ARM_CM3;
ci->c_inf[3].base = BCM43143_CORE_ARM_BASE;
ci->c_inf[3].wrapbase = ci->c_inf[3].base + 0x00100000;
ci->c_inf[3].cib = 0x07000000;
ci->ramsize = BCM43143_RAMSIZE;
break;
case BCM43241_CHIP_ID:
ci->c_inf[0].wrapbase = 0x18100000;
ci->c_inf[0].cib = 0x2a084411;
ci->c_inf[1].id = BCMA_CORE_SDIO_DEV;
ci->c_inf[1].base = 0x18002000;
ci->c_inf[1].wrapbase = 0x18102000;
ci->c_inf[1].cib = 0x0e004211;
ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM;
ci->c_inf[2].base = 0x18004000;
ci->c_inf[2].wrapbase = 0x18104000;
ci->c_inf[2].cib = 0x14080401;
ci->c_inf[3].id = BCMA_CORE_ARM_CM3;
ci->c_inf[3].base = 0x18003000;
ci->c_inf[3].wrapbase = 0x18103000;
ci->c_inf[3].cib = 0x07004211;
ci->ramsize = 0x90000;
break;
case BCM4329_CHIP_ID:
ci->c_inf[1].id = BCMA_CORE_SDIO_DEV;
ci->c_inf[1].base = BCM4329_CORE_BUS_BASE;
ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM;
ci->c_inf[2].base = BCM4329_CORE_SOCRAM_BASE;
ci->c_inf[3].id = BCMA_CORE_ARM_CM3;
ci->c_inf[3].base = BCM4329_CORE_ARM_BASE;
ci->ramsize = BCM4329_RAMSIZE;
break;
case BCM4330_CHIP_ID:
ci->c_inf[0].wrapbase = 0x18100000;
ci->c_inf[0].cib = 0x27004211;
ci->c_inf[1].id = BCMA_CORE_SDIO_DEV;
ci->c_inf[1].base = 0x18002000;
ci->c_inf[1].wrapbase = 0x18102000;
ci->c_inf[1].cib = 0x07004211;
ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM;
ci->c_inf[2].base = 0x18004000;
ci->c_inf[2].wrapbase = 0x18104000;
ci->c_inf[2].cib = 0x0d080401;
ci->c_inf[3].id = BCMA_CORE_ARM_CM3;
ci->c_inf[3].base = 0x18003000;
ci->c_inf[3].wrapbase = 0x18103000;
ci->c_inf[3].cib = 0x03004211;
ci->ramsize = 0x48000;
break;
case BCM4334_CHIP_ID:
ci->c_inf[0].wrapbase = 0x18100000;
ci->c_inf[0].cib = 0x29004211;
ci->c_inf[1].id = BCMA_CORE_SDIO_DEV;
ci->c_inf[1].base = 0x18002000;
ci->c_inf[1].wrapbase = 0x18102000;
ci->c_inf[1].cib = 0x0d004211;
ci->c_inf[2].id = BCMA_CORE_INTERNAL_MEM;
ci->c_inf[2].base = 0x18004000;
ci->c_inf[2].wrapbase = 0x18104000;
ci->c_inf[2].cib = 0x13080401;
ci->c_inf[3].id = BCMA_CORE_ARM_CM3;
ci->c_inf[3].base = 0x18003000;
ci->c_inf[3].wrapbase = 0x18103000;
ci->c_inf[3].cib = 0x07004211;
ci->ramsize = 0x80000;
break;
case BCM4335_CHIP_ID:
ci->c_inf[0].wrapbase = 0x18100000;
ci->c_inf[0].cib = 0x2b084411;
ci->c_inf[1].id = BCMA_CORE_SDIO_DEV;
ci->c_inf[1].base = 0x18005000;
ci->c_inf[1].wrapbase = 0x18105000;
ci->c_inf[1].cib = 0x0f004211;
ci->c_inf[2].id = BCMA_CORE_ARM_CR4;
ci->c_inf[2].base = 0x18002000;
ci->c_inf[2].wrapbase = 0x18102000;
ci->c_inf[2].cib = 0x01084411;
ci->ramsize = 0xc0000;
ci->rambase = 0x180000;
break;
default:
brcmf_err("chipid 0x%x is not supported\n", ci->chip);
return -ENODEV;
}
ret = brcmf_sdio_chip_cichk(ci);
if (ret)
return ret;
switch (ci->socitype) {
case SOCI_SB:
ci->iscoreup = brcmf_sdio_sb_iscoreup;
ci->corerev = brcmf_sdio_sb_corerev;
ci->coredisable = brcmf_sdio_sb_coredisable;
ci->resetcore = brcmf_sdio_sb_resetcore;
break;
case SOCI_AI:
ci->iscoreup = brcmf_sdio_ai_iscoreup;
ci->corerev = brcmf_sdio_ai_corerev;
ci->coredisable = brcmf_sdio_ai_coredisable;
ci->resetcore = brcmf_sdio_ai_resetcore;
break;
default:
brcmf_err("socitype %u not supported\n", ci->socitype);
return -ENODEV;
}
return 0;
}
static int
brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)
{
int err = 0;
u8 clkval, clkset;
/* Try forcing SDIO core to do ALPAvail request only */
clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ;
brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
if (err) {
brcmf_err("error writing for HT off\n");
return err;
}
/* If register supported, wait for ALPAvail and then force ALP */
/* This may take up to 15 milliseconds */
clkval = brcmf_sdio_regrb(sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, NULL);
if ((clkval & ~SBSDIO_AVBITS) != clkset) {
brcmf_err("ChipClkCSR access: wrote 0x%02x read 0x%02x\n",
clkset, clkval);
return -EACCES;
}
SPINWAIT(((clkval = brcmf_sdio_regrb(sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, NULL)),
!SBSDIO_ALPAV(clkval)),
PMU_MAX_TRANSITION_DLY);
if (!SBSDIO_ALPAV(clkval)) {
brcmf_err("timeout on ALPAV wait, clkval 0x%02x\n",
clkval);
return -EBUSY;
}
clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP;
brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
udelay(65);
/* Also, disable the extra SDIO pull-ups */
brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_SDIOPULLUP, 0, NULL);
return 0;
}
static void
brcmf_sdio_chip_buscoresetup(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci)
{
u32 base = ci->c_inf[0].base;
/* get chipcommon rev */
ci->c_inf[0].rev = ci->corerev(sdiodev, ci, ci->c_inf[0].id);
/* get chipcommon capabilites */
ci->c_inf[0].caps = brcmf_sdio_regrl(sdiodev,
CORE_CC_REG(base, capabilities),
NULL);
/* get pmu caps & rev */
if (ci->c_inf[0].caps & CC_CAP_PMU) {
ci->pmucaps =
brcmf_sdio_regrl(sdiodev,
CORE_CC_REG(base, pmucapabilities),
NULL);
ci->pmurev = ci->pmucaps & PCAP_REV_MASK;
}
ci->c_inf[1].rev = ci->corerev(sdiodev, ci, ci->c_inf[1].id);
brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, buscore rev/type=%d/0x%x\n",
ci->c_inf[0].rev, ci->pmurev,
ci->c_inf[1].rev, ci->c_inf[1].id);
/*
* Make sure any on-chip ARM is off (in case strapping is wrong),
* or downloaded code was already running.
*/
ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0);
}
int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,
struct chip_info **ci_ptr, u32 regs)
{
int ret;
struct chip_info *ci;
brcmf_dbg(TRACE, "Enter\n");
/* alloc chip_info_t */
ci = kzalloc(sizeof(struct chip_info), GFP_ATOMIC);
if (!ci)
return -ENOMEM;
ret = brcmf_sdio_chip_buscoreprep(sdiodev);
if (ret != 0)
goto err;
ret = brcmf_sdio_chip_recognition(sdiodev, ci, regs);
if (ret != 0)
goto err;
brcmf_sdio_chip_buscoresetup(sdiodev, ci);
brcmf_sdio_regwl(sdiodev, CORE_CC_REG(ci->c_inf[0].base, gpiopullup),
0, NULL);
brcmf_sdio_regwl(sdiodev, CORE_CC_REG(ci->c_inf[0].base, gpiopulldown),
0, NULL);
*ci_ptr = ci;
return 0;
err:
kfree(ci);
return ret;
}
void
brcmf_sdio_chip_detach(struct chip_info **ci_ptr)
{
brcmf_dbg(TRACE, "Enter\n");
kfree(*ci_ptr);
*ci_ptr = NULL;
}
static char *brcmf_sdio_chip_name(uint chipid, char *buf, uint len)
{
const char *fmt;
fmt = ((chipid > 0xa000) || (chipid < 0x4000)) ? "%d" : "%x";
snprintf(buf, len, fmt, chipid);
return buf;
}
void
brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u32 drivestrength)
{
const struct sdiod_drive_str *str_tab = NULL;
u32 str_mask;
u32 str_shift;
char chn[8];
u32 base = ci->c_inf[0].base;
u32 i;
u32 drivestrength_sel = 0;
u32 cc_data_temp;
u32 addr;
if (!(ci->c_inf[0].caps & CC_CAP_PMU))
return;
switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12):
str_tab = sdiod_drvstr_tab1_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17):
/* note: 43143 does not support tristate */
i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1;
if (drivestrength >= sdiod_drvstr_tab2_3v3[i].strength) {
str_tab = sdiod_drvstr_tab2_3v3;
str_mask = 0x00000007;
str_shift = 0;
} else
brcmf_err("Invalid SDIO Drive strength for chip %s, strength=%d\n",
brcmf_sdio_chip_name(ci->chip, chn, 8),
drivestrength);
break;
default:
brcmf_err("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
brcmf_sdio_chip_name(ci->chip, chn, 8),
ci->chiprev, ci->pmurev);
break;
}
if (str_tab != NULL) {
for (i = 0; str_tab[i].strength != 0; i++) {
if (drivestrength >= str_tab[i].strength) {
drivestrength_sel = str_tab[i].sel;
break;
}
}
addr = CORE_CC_REG(base, chipcontrol_addr);
brcmf_sdio_regwl(sdiodev, addr, 1, NULL);
cc_data_temp = brcmf_sdio_regrl(sdiodev, addr, NULL);
cc_data_temp &= ~str_mask;
drivestrength_sel <<= str_shift;
cc_data_temp |= drivestrength_sel;
brcmf_sdio_regwl(sdiodev, addr, cc_data_temp, NULL);
brcmf_dbg(INFO, "SDIO: %d mA (req=%d mA) drive strength selected, set to 0x%08x\n",
str_tab[i].strength, drivestrength, cc_data_temp);
}
}
#ifdef DEBUG
static bool
brcmf_sdio_chip_verifynvram(struct brcmf_sdio_dev *sdiodev, u32 nvram_addr,
char *nvram_dat, uint nvram_sz)
{
char *nvram_ularray;
int err;
bool ret = true;
/* read back and verify */
brcmf_dbg(INFO, "Compare NVRAM dl & ul; size=%d\n", nvram_sz);
nvram_ularray = kmalloc(nvram_sz, GFP_KERNEL);
/* do not proceed while no memory but */
if (!nvram_ularray)
return true;
/* Upload image to verify downloaded contents. */
memset(nvram_ularray, 0xaa, nvram_sz);
/* Read the vars list to temp buffer for comparison */
err = brcmf_sdio_ramrw(sdiodev, false, nvram_addr, nvram_ularray,
nvram_sz);
if (err) {
brcmf_err("error %d on reading %d nvram bytes at 0x%08x\n",
err, nvram_sz, nvram_addr);
} else if (memcmp(nvram_dat, nvram_ularray, nvram_sz)) {
brcmf_err("Downloaded NVRAM image is corrupted\n");
ret = false;
}
kfree(nvram_ularray);
return ret;
}
#else /* DEBUG */
static inline bool
brcmf_sdio_chip_verifynvram(struct brcmf_sdio_dev *sdiodev, u32 nvram_addr,
char *nvram_dat, uint nvram_sz)
{
return true;
}
#endif /* DEBUG */
static bool brcmf_sdio_chip_writenvram(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci,
char *nvram_dat, uint nvram_sz)
{
int err;
u32 nvram_addr;
u32 token;
__le32 token_le;
nvram_addr = (ci->ramsize - 4) - nvram_sz + ci->rambase;
/* Write the vars list */
err = brcmf_sdio_ramrw(sdiodev, true, nvram_addr, nvram_dat, nvram_sz);
if (err) {
brcmf_err("error %d on writing %d nvram bytes at 0x%08x\n",
err, nvram_sz, nvram_addr);
return false;
}
if (!brcmf_sdio_chip_verifynvram(sdiodev, nvram_addr,
nvram_dat, nvram_sz))
return false;
/* generate token:
* nvram size, converted to words, in lower 16-bits, checksum
* in upper 16-bits.
*/
token = nvram_sz / 4;
token = (~token << 16) | (token & 0x0000FFFF);
token_le = cpu_to_le32(token);
brcmf_dbg(INFO, "RAM size: %d\n", ci->ramsize);
brcmf_dbg(INFO, "nvram is placed at %d, size %d, token=0x%08x\n",
nvram_addr, nvram_sz, token);
/* Write the length token to the last word */
if (brcmf_sdio_ramrw(sdiodev, true, (ci->ramsize - 4 + ci->rambase),
(u8 *)&token_le, 4))
return false;
return true;
}
static void
brcmf_sdio_chip_cm3_enterdl(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci)
{
u32 zeros = 0;
ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0);
ci->resetcore(sdiodev, ci, BCMA_CORE_INTERNAL_MEM, 0);
/* clear length token */
brcmf_sdio_ramrw(sdiodev, true, ci->ramsize - 4, (u8 *)&zeros, 4);
}
static bool
brcmf_sdio_chip_cm3_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci,
char *nvram_dat, uint nvram_sz)
{
u8 core_idx;
u32 reg_addr;
if (!ci->iscoreup(sdiodev, ci, BCMA_CORE_INTERNAL_MEM)) {
brcmf_err("SOCRAM core is down after reset?\n");
return false;
}
if (!brcmf_sdio_chip_writenvram(sdiodev, ci, nvram_dat, nvram_sz))
return false;
/* clear all interrupts */
core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_SDIO_DEV);
reg_addr = ci->c_inf[core_idx].base;
reg_addr += offsetof(struct sdpcmd_regs, intstatus);
brcmf_sdio_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL);
ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CM3, 0);
return true;
}
static inline void
brcmf_sdio_chip_cr4_enterdl(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci)
{
ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4,
ARMCR4_BCMA_IOCTL_CPUHALT);
}
static bool
brcmf_sdio_chip_cr4_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci,
char *nvram_dat, uint nvram_sz)
{
u8 core_idx;
u32 reg_addr;
if (!brcmf_sdio_chip_writenvram(sdiodev, ci, nvram_dat, nvram_sz))
return false;
/* clear all interrupts */
core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_SDIO_DEV);
reg_addr = ci->c_inf[core_idx].base;
reg_addr += offsetof(struct sdpcmd_regs, intstatus);
brcmf_sdio_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL);
/* Write reset vector to address 0 */
brcmf_sdio_ramrw(sdiodev, true, 0, (void *)&ci->rst_vec,
sizeof(ci->rst_vec));
/* restore ARM */
ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, 0);
return true;
}
void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci)
{
u8 arm_core_idx;
arm_core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CM3);
if (BRCMF_MAX_CORENUM != arm_core_idx) {
brcmf_sdio_chip_cm3_enterdl(sdiodev, ci);
return;
}
brcmf_sdio_chip_cr4_enterdl(sdiodev, ci);
}
bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, char *nvram_dat,
uint nvram_sz)
{
u8 arm_core_idx;
arm_core_idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CM3);
if (BRCMF_MAX_CORENUM != arm_core_idx)
return brcmf_sdio_chip_cm3_exitdl(sdiodev, ci, nvram_dat,
nvram_sz);
return brcmf_sdio_chip_cr4_exitdl(sdiodev, ci, nvram_dat, nvram_sz);
}

231
drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h Normal file
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/*
* 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 _BRCMFMAC_SDIO_CHIP_H_
#define _BRCMFMAC_SDIO_CHIP_H_
/*
* Core reg address translation.
* Both macro's returns a 32 bits byte address on the backplane bus.
*/
#define CORE_CC_REG(base, field) \
(base + offsetof(struct chipcregs, field))
#define CORE_BUS_REG(base, field) \
(base + offsetof(struct sdpcmd_regs, field))
#define CORE_SB(base, field) \
(base + SBCONFIGOFF + offsetof(struct sbconfig, field))
/* SDIO function 1 register CHIPCLKCSR */
/* Force ALP request to backplane */
#define SBSDIO_FORCE_ALP 0x01
/* Force HT request to backplane */
#define SBSDIO_FORCE_HT 0x02
/* Force ILP request to backplane */
#define SBSDIO_FORCE_ILP 0x04
/* Make ALP ready (power up xtal) */
#define SBSDIO_ALP_AVAIL_REQ 0x08
/* Make HT ready (power up PLL) */
#define SBSDIO_HT_AVAIL_REQ 0x10
/* Squelch clock requests from HW */
#define SBSDIO_FORCE_HW_CLKREQ_OFF 0x20
/* Status: ALP is ready */
#define SBSDIO_ALP_AVAIL 0x40
/* Status: HT is ready */
#define SBSDIO_HT_AVAIL 0x80
#define SBSDIO_AVBITS (SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL)
#define SBSDIO_ALPAV(regval) ((regval) & SBSDIO_AVBITS)
#define SBSDIO_HTAV(regval) (((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS)
#define SBSDIO_ALPONLY(regval) (SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval))
#define SBSDIO_CLKAV(regval, alponly) \
(SBSDIO_ALPAV(regval) && (alponly ? 1 : SBSDIO_HTAV(regval)))
#define BRCMF_MAX_CORENUM 6
struct chip_core_info {
u16 id;
u16 rev;
u32 base;
u32 wrapbase;
u32 caps;
u32 cib;
};
struct chip_info {
u32 chip;
u32 chiprev;
u32 socitype;
/* core info */
/* always put chipcommon core at 0, bus core at 1 */
struct chip_core_info c_inf[BRCMF_MAX_CORENUM];
u32 pmurev;
u32 pmucaps;
u32 ramsize;
u32 rambase;
u32 rst_vec; /* reset vertor for ARM CR4 core */
bool (*iscoreup)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci,
u16 coreid);
u32 (*corerev)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci,
u16 coreid);
void (*coredisable)(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid, u32 core_bits);
void (*resetcore)(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid, u32 core_bits);
};
struct sbconfig {
u32 PAD[2];
u32 sbipsflag; /* initiator port ocp slave flag */
u32 PAD[3];
u32 sbtpsflag; /* target port ocp slave flag */
u32 PAD[11];
u32 sbtmerrloga; /* (sonics >= 2.3) */
u32 PAD;
u32 sbtmerrlog; /* (sonics >= 2.3) */
u32 PAD[3];
u32 sbadmatch3; /* address match3 */
u32 PAD;
u32 sbadmatch2; /* address match2 */
u32 PAD;
u32 sbadmatch1; /* address match1 */
u32 PAD[7];
u32 sbimstate; /* initiator agent state */
u32 sbintvec; /* interrupt mask */
u32 sbtmstatelow; /* target state */
u32 sbtmstatehigh; /* target state */
u32 sbbwa0; /* bandwidth allocation table0 */
u32 PAD;
u32 sbimconfiglow; /* initiator configuration */
u32 sbimconfighigh; /* initiator configuration */
u32 sbadmatch0; /* address match0 */
u32 PAD;
u32 sbtmconfiglow; /* target configuration */
u32 sbtmconfighigh; /* target configuration */
u32 sbbconfig; /* broadcast configuration */
u32 PAD;
u32 sbbstate; /* broadcast state */
u32 PAD[3];
u32 sbactcnfg; /* activate configuration */
u32 PAD[3];
u32 sbflagst; /* current sbflags */
u32 PAD[3];
u32 sbidlow; /* identification */
u32 sbidhigh; /* identification */
};
/* sdio core registers */
struct sdpcmd_regs {
u32 corecontrol; /* 0x00, rev8 */
u32 corestatus; /* rev8 */
u32 PAD[1];
u32 biststatus; /* rev8 */
/* PCMCIA access */
u16 pcmciamesportaladdr; /* 0x010, rev8 */
u16 PAD[1];
u16 pcmciamesportalmask; /* rev8 */
u16 PAD[1];
u16 pcmciawrframebc; /* rev8 */
u16 PAD[1];
u16 pcmciaunderflowtimer; /* rev8 */
u16 PAD[1];
/* interrupt */
u32 intstatus; /* 0x020, rev8 */
u32 hostintmask; /* rev8 */
u32 intmask; /* rev8 */
u32 sbintstatus; /* rev8 */
u32 sbintmask; /* rev8 */
u32 funcintmask; /* rev4 */
u32 PAD[2];
u32 tosbmailbox; /* 0x040, rev8 */
u32 tohostmailbox; /* rev8 */
u32 tosbmailboxdata; /* rev8 */
u32 tohostmailboxdata; /* rev8 */
/* synchronized access to registers in SDIO clock domain */
u32 sdioaccess; /* 0x050, rev8 */
u32 PAD[3];
/* PCMCIA frame control */
u8 pcmciaframectrl; /* 0x060, rev8 */
u8 PAD[3];
u8 pcmciawatermark; /* rev8 */
u8 PAD[155];
/* interrupt batching control */
u32 intrcvlazy; /* 0x100, rev8 */
u32 PAD[3];
/* counters */
u32 cmd52rd; /* 0x110, rev8 */
u32 cmd52wr; /* rev8 */
u32 cmd53rd; /* rev8 */
u32 cmd53wr; /* rev8 */
u32 abort; /* rev8 */
u32 datacrcerror; /* rev8 */
u32 rdoutofsync; /* rev8 */
u32 wroutofsync; /* rev8 */
u32 writebusy; /* rev8 */
u32 readwait; /* rev8 */
u32 readterm; /* rev8 */
u32 writeterm; /* rev8 */
u32 PAD[40];
u32 clockctlstatus; /* rev8 */
u32 PAD[7];
u32 PAD[128]; /* DMA engines */
/* SDIO/PCMCIA CIS region */
char cis[512]; /* 0x400-0x5ff, rev6 */
/* PCMCIA function control registers */
char pcmciafcr[256]; /* 0x600-6ff, rev6 */
u16 PAD[55];
/* PCMCIA backplane access */
u16 backplanecsr; /* 0x76E, rev6 */
u16 backplaneaddr0; /* rev6 */
u16 backplaneaddr1; /* rev6 */
u16 backplaneaddr2; /* rev6 */
u16 backplaneaddr3; /* rev6 */
u16 backplanedata0; /* rev6 */
u16 backplanedata1; /* rev6 */
u16 backplanedata2; /* rev6 */
u16 backplanedata3; /* rev6 */
u16 PAD[31];
/* sprom "size" & "blank" info */
u16 spromstatus; /* 0x7BE, rev2 */
u32 PAD[464];
u16 PAD[0x80];
};
extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,
struct chip_info **ci_ptr, u32 regs);
extern void brcmf_sdio_chip_detach(struct chip_info **ci_ptr);
extern void brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci,
u32 drivestrength);
extern u8 brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid);
extern void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci);
extern bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, char *nvram_dat,
uint nvram_sz);
#endif /* _BRCMFMAC_SDIO_CHIP_H_ */

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/*
* 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.
*/
#ifndef _BRCM_SDH_H_
#define _BRCM_SDH_H_
#include <linux/skbuff.h>
#define SDIO_FUNC_0 0
#define SDIO_FUNC_1 1
#define SDIO_FUNC_2 2
#define SDIOD_FBR_SIZE 0x100
/* io_en */
#define SDIO_FUNC_ENABLE_1 0x02
#define SDIO_FUNC_ENABLE_2 0x04
/* io_rdys */
#define SDIO_FUNC_READY_1 0x02
#define SDIO_FUNC_READY_2 0x04
/* intr_status */
#define INTR_STATUS_FUNC1 0x2
#define INTR_STATUS_FUNC2 0x4
/* Maximum number of I/O funcs */
#define SDIOD_MAX_IOFUNCS 7
/* mask of register map */
#define REG_F0_REG_MASK 0x7FF
#define REG_F1_MISC_MASK 0x1FFFF
/* as of sdiod rev 0, supports 3 functions */
#define SBSDIO_NUM_FUNCTION 3
/* function 0 vendor specific CCCR registers */
#define SDIO_CCCR_BRCM_CARDCAP 0xf0
#define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02
#define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04
#define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC 0x08
#define SDIO_CCCR_BRCM_CARDCTRL 0xf1
#define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET 0x02
#define SDIO_CCCR_BRCM_SEPINT 0xf2
#define SDIO_SEPINT_MASK 0x01
#define SDIO_SEPINT_OE 0x02
#define SDIO_SEPINT_ACT_HI 0x04
/* function 1 miscellaneous registers */
/* sprom command and status */
#define SBSDIO_SPROM_CS 0x10000
/* sprom info register */
#define SBSDIO_SPROM_INFO 0x10001
/* sprom indirect access data byte 0 */
#define SBSDIO_SPROM_DATA_LOW 0x10002
/* sprom indirect access data byte 1 */
#define SBSDIO_SPROM_DATA_HIGH 0x10003
/* sprom indirect access addr byte 0 */
#define SBSDIO_SPROM_ADDR_LOW 0x10004
/* sprom indirect access addr byte 0 */
#define SBSDIO_SPROM_ADDR_HIGH 0x10005
/* xtal_pu (gpio) output */
#define SBSDIO_CHIP_CTRL_DATA 0x10006
/* xtal_pu (gpio) enable */
#define SBSDIO_CHIP_CTRL_EN 0x10007
/* rev < 7, watermark for sdio device */
#define SBSDIO_WATERMARK 0x10008
/* control busy signal generation */
#define SBSDIO_DEVICE_CTL 0x10009
/* SB Address Window Low (b15) */
#define SBSDIO_FUNC1_SBADDRLOW 0x1000A
/* SB Address Window Mid (b23:b16) */
#define SBSDIO_FUNC1_SBADDRMID 0x1000B
/* SB Address Window High (b31:b24) */
#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C
/* Frame Control (frame term/abort) */
#define SBSDIO_FUNC1_FRAMECTRL 0x1000D
/* ChipClockCSR (ALP/HT ctl/status) */
#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E
/* SdioPullUp (on cmd, d0-d2) */
#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F
/* Write Frame Byte Count Low */
#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019
/* Write Frame Byte Count High */
#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A
/* Read Frame Byte Count Low */
#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B
/* Read Frame Byte Count High */
#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C
/* MesBusyCtl (rev 11) */
#define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D
/* Sdio Core Rev 12 */
#define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E
#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1
#define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT 0
#define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK 0x2
#define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT 1
#define SBSDIO_FUNC1_SLEEPCSR 0x1001F
#define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK 0x1
#define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT 0
#define SBSDIO_FUNC1_SLEEPCSR_KSO_EN 1
#define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK 0x2
#define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT 1
#define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */
#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001F /* f1 misc register end */
/* function 1 OCP space */
/* sb offset addr is <= 15 bits, 32k */
#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF
#define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000
/* with b15, maps to 32-bit SB access */
#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000
/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */
#define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */
#define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */
/* Address bits from SBADDR regs */
#define SBSDIO_SBWINDOW_MASK 0xffff8000
#define SDIOH_READ 0 /* Read request */
#define SDIOH_WRITE 1 /* Write request */
#define SDIOH_DATA_FIX 0 /* Fixed addressing */
#define SDIOH_DATA_INC 1 /* Incremental addressing */
/* internal return code */
#define SUCCESS 0
#define ERROR 1
/* Packet alignment for most efficient SDIO (can change based on platform) */
#define BRCMF_SDALIGN (1 << 6)
/* watchdog polling interval in ms */
#define BRCMF_WD_POLL_MS 10
struct brcmf_sdreg {
int func;
int offset;
int value;
};
struct brcmf_sdio;
struct brcmf_sdio_dev {
struct sdio_func *func[SDIO_MAX_FUNCS];
u8 num_funcs; /* Supported funcs on client */
u32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
u32 sbwad; /* Save backplane window address */
void *bus;
atomic_t suspend; /* suspend flag */
wait_queue_head_t request_byte_wait;
wait_queue_head_t request_word_wait;
wait_queue_head_t request_chain_wait;
wait_queue_head_t request_buffer_wait;
struct device *dev;
struct brcmf_bus *bus_if;
struct brcmfmac_sdio_platform_data *pdata;
bool oob_irq_requested;
bool irq_en; /* irq enable flags */
spinlock_t irq_en_lock;
bool irq_wake; /* irq wake enable flags */
};
/* Register/deregister interrupt handler. */
extern int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev);
extern int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev);
/* sdio device register access interface */
extern u8 brcmf_sdio_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret);
extern u32 brcmf_sdio_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret);
extern void brcmf_sdio_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr,
u8 data, int *ret);
extern void brcmf_sdio_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr,
u32 data, int *ret);
extern int brcmf_sdio_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr,
void *data, bool write);
/* Buffer transfer to/from device (client) core via cmd53.
* fn: function number
* addr: backplane address (i.e. >= regsva from attach)
* flags: backplane width, address increment, sync/async
* buf: pointer to memory data buffer
* nbytes: number of bytes to transfer to/from buf
* pkt: pointer to packet associated with buf (if any)
* complete: callback function for command completion (async only)
* handle: handle for completion callback (first arg in callback)
* Returns 0 or error code.
* NOTE: Async operation is not currently supported.
*/
extern int
brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, struct sk_buff *pkt);
extern int
brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, u8 *buf, uint nbytes);
extern int
brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, struct sk_buff *pkt);
extern int
brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, u8 *buf, uint nbytes);
extern int
brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
uint flags, struct sk_buff_head *pktq);
/* Flags bits */
/* Four-byte target (backplane) width (vs. two-byte) */
#define SDIO_REQ_4BYTE 0x1
/* Fixed address (FIFO) (vs. incrementing address) */
#define SDIO_REQ_FIXED 0x2
/* Async request (vs. sync request) */
#define SDIO_REQ_ASYNC 0x4
/* Read/write to memory block (F1, no FIFO) via CMD53 (sync only).
* rw: read or write (0/1)
* addr: direct SDIO address
* buf: pointer to memory data buffer
* nbytes: number of bytes to transfer to/from buf
* Returns 0 or error code.
*/
extern int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw,
u32 addr, u8 *buf, uint nbytes);
extern int brcmf_sdio_ramrw(struct brcmf_sdio_dev *sdiodev, bool write,
u32 address, u8 *data, uint size);
/* Issue an abort to the specified function */
extern int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn);
/* platform specific/high level functions */
extern int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev);
extern int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev);
extern int brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev,
u32 address);
/* attach, return handler on success, NULL if failed.
* The handler shall be provided by all subsequent calls. No local cache
* cfghdl points to the starting address of pci device mapped memory
*/
extern int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev);
extern void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev);
/* read or write one byte using cmd52 */
extern int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw,
uint fnc, uint addr, u8 *byte);
/* read or write 2/4 bytes using cmd53 */
extern int
brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
uint rw, uint fnc, uint addr,
u32 *word, uint nbyte);
/* read or write any buffer using cmd53 */
extern int
brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
uint fix_inc, uint rw, uint fnc_num, u32 addr,
struct sk_buff *pkt);
extern int
brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
uint write, uint func, uint addr,
struct sk_buff_head *pktq);
/* Watchdog timer interface for pm ops */
extern void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev,
bool enable);
extern void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev);
extern void brcmf_sdbrcm_disconnect(void *ptr);
extern void brcmf_sdbrcm_isr(void *arg);
extern void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick);
#endif /* _BRCM_SDH_H_ */

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drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c Normal file
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/*
* Copyright (c) 2012 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/module.h> /* bug in tracepoint.h, it should include this */
#ifndef __CHECKER__
#define CREATE_TRACE_POINTS
#include "tracepoint.h"
#endif

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drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h Normal file
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/*
* Copyright (c) 2013 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.
*/
#if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ)
#define BRCMF_TRACEPOINT_H_
#include <linux/types.h>
#include <linux/tracepoint.h>
#ifndef CONFIG_BRCM_TRACING
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, ...) \
static inline void trace_ ## name(proto) {}
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(...)
#undef DEFINE_EVENT
#define DEFINE_EVENT(evt_class, name, proto, ...) \
static inline void trace_ ## name(proto) {}
#endif /* CONFIG_BRCM_TRACING */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM brcmfmac
#define MAX_MSG_LEN 100
TRACE_EVENT(brcmf_err,
TP_PROTO(const char *func, struct va_format *vaf),
TP_ARGS(func, vaf),
TP_STRUCT__entry(
__string(func, func)
__dynamic_array(char, msg, MAX_MSG_LEN)
),
TP_fast_assign(
__assign_str(func, func);
WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
MAX_MSG_LEN, vaf->fmt,
*vaf->va) >= MAX_MSG_LEN);
),
TP_printk("%s: %s", __get_str(func), __get_str(msg))
);
TRACE_EVENT(brcmf_dbg,
TP_PROTO(u32 level, const char *func, struct va_format *vaf),
TP_ARGS(level, func, vaf),
TP_STRUCT__entry(
__field(u32, level)
__string(func, func)
__dynamic_array(char, msg, MAX_MSG_LEN)
),
TP_fast_assign(
__entry->level = level;
__assign_str(func, func);
WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
MAX_MSG_LEN, vaf->fmt,
*vaf->va) >= MAX_MSG_LEN);
),
TP_printk("%s: %s", __get_str(func), __get_str(msg))
);
TRACE_EVENT(brcmf_hexdump,
TP_PROTO(void *data, size_t len),
TP_ARGS(data, len),
TP_STRUCT__entry(
__field(unsigned long, len)
__dynamic_array(u8, hdata, len)
),
TP_fast_assign(
__entry->len = len;
memcpy(__get_dynamic_array(hdata), data, len);
),
TP_printk("hexdump [length=%lu]", __entry->len)
);
#ifdef CONFIG_BRCM_TRACING
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE tracepoint
#include <trace/define_trace.h>
#endif /* CONFIG_BRCM_TRACING */
#endif /* BRCMF_TRACEPOINT_H_ */

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/*
* 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 BRCMFMAC_USB_H
#define BRCMFMAC_USB_H
enum brcmf_usb_state {
BRCMFMAC_USB_STATE_DOWN,
BRCMFMAC_USB_STATE_DL_FAIL,
BRCMFMAC_USB_STATE_DL_DONE,
BRCMFMAC_USB_STATE_UP,
BRCMFMAC_USB_STATE_SLEEP
};
struct brcmf_stats {
u32 tx_ctlpkts;
u32 tx_ctlerrs;
u32 rx_ctlpkts;
u32 rx_ctlerrs;
};
struct brcmf_usbdev {
struct brcmf_bus *bus;
struct brcmf_usbdev_info *devinfo;
enum brcmf_usb_state state;
struct brcmf_stats stats;
int ntxq, nrxq, rxsize;
u32 bus_mtu;
int devid;
int chiprev; /* chip revsion number */
};
/* IO Request Block (IRB) */
struct brcmf_usbreq {
struct list_head list;
struct brcmf_usbdev_info *devinfo;
struct urb *urb;
struct sk_buff *skb;
};
#endif /* BRCMFMAC_USB_H */

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/*
* 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 _USB_RDL_H
#define _USB_RDL_H
/* Control messages: bRequest values */
#define DL_GETSTATE 0 /* returns the rdl_state_t struct */
#define DL_CHECK_CRC 1 /* currently unused */
#define DL_GO 2 /* execute downloaded image */
#define DL_START 3 /* initialize dl state */
#define DL_REBOOT 4 /* reboot the device in 2 seconds */
#define DL_GETVER 5 /* returns the bootrom_id_t struct */
#define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset
* event to occur in 2 seconds. It is the
* responsibility of the downloaded code to
* clear this event
*/
#define DL_EXEC 7 /* jump to a supplied address */
#define DL_RESETCFG 8 /* To support single enum on dongle
* - Not used by bootloader
*/
#define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup
* if resp unavailable
*/
/* states */
#define DL_WAITING 0 /* waiting to rx first pkt */
#define DL_READY 1 /* hdr was good, waiting for more of the
* compressed image */
#define DL_BAD_HDR 2 /* hdr was corrupted */
#define DL_BAD_CRC 3 /* compressed image was corrupted */
#define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */
#define DL_START_FAIL 5 /* failed to initialize correctly */
#define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM
* value */
#define DL_IMAGE_TOOBIG 7 /* download image too big (exceeds DATA_START
* for rdl) */
struct rdl_state_le {
__le32 state;
__le32 bytes;
};
struct bootrom_id_le {
__le32 chip; /* Chip id */
__le32 chiprev; /* Chip rev */
__le32 ramsize; /* Size of RAM */
__le32 remapbase; /* Current remap base address */
__le32 boardtype; /* Type of board */
__le32 boardrev; /* Board revision */
};
#define RDL_CHUNK 1500 /* size of each dl transfer */
#define TRX_OFFSETS_DLFWLEN_IDX 0
#define TRX_OFFSETS_JUMPTO_IDX 1
#define TRX_OFFSETS_NVM_LEN_IDX 2
#define TRX_OFFSETS_DLBASE_IDX 0
#endif /* _USB_RDL_H */

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/*
* 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.
*/
#ifndef _wl_cfg80211_h_
#define _wl_cfg80211_h_
/* for brcmu_d11inf */
#include <brcmu_d11.h>
#define WL_NUM_SCAN_MAX 10
#define WL_NUM_PMKIDS_MAX MAXPMKID
#define WL_TLV_INFO_MAX 1024
#define WL_BSS_INFO_MAX 2048
#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
#define WL_EXTRA_BUF_MAX 2048
#define WL_ROAM_TRIGGER_LEVEL -75
#define WL_ROAM_DELTA 20
#define WL_BEACON_TIMEOUT 3
#define WL_SCAN_CHANNEL_TIME 40
#define WL_SCAN_UNASSOC_TIME 40
#define WL_SCAN_PASSIVE_TIME 120
#define WL_ESCAN_BUF_SIZE (1024 * 64)
#define WL_ESCAN_TIMER_INTERVAL_MS 8000 /* E-Scan timeout */
#define WL_ESCAN_ACTION_START 1
#define WL_ESCAN_ACTION_CONTINUE 2
#define WL_ESCAN_ACTION_ABORT 3
#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
#define IE_MAX_LEN 512
/* IE TLV processing */
#define TLV_LEN_OFF 1 /* length offset */
#define TLV_HDR_LEN 2 /* header length */
#define TLV_BODY_OFF 2 /* body offset */
#define TLV_OUI_LEN 3 /* oui id length */
/* 802.11 Mgmt Packet flags */
#define BRCMF_VNDR_IE_BEACON_FLAG 0x1
#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2
#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4
#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8
#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10
#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20
/* vendor IE in IW advertisement protocol ID field */
#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40
/* allow custom IE id */
#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100
/* P2P Action Frames flags (spec ordered) */
#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000
#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000
#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000
#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000
#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000
#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000
#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000
#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000
#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000
#define BRCMF_VNDR_IE_P2PAF_SHIFT 12
/**
* enum brcmf_scan_status - scan engine status
*
* @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
* @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
* @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
*/
enum brcmf_scan_status {
BRCMF_SCAN_STATUS_BUSY,
BRCMF_SCAN_STATUS_ABORT,
BRCMF_SCAN_STATUS_SUPPRESS,
};
/**
* enum wl_mode - driver mode of virtual interface.
*
* @WL_MODE_BSS: connects to BSS.
* @WL_MODE_IBSS: operate as ad-hoc.
* @WL_MODE_AP: operate as access-point.
* @WL_MODE_P2P: provide P2P discovery.
*/
enum wl_mode {
WL_MODE_BSS,
WL_MODE_IBSS,
WL_MODE_AP,
WL_MODE_P2P
};
/* dongle configuration */
struct brcmf_cfg80211_conf {
u32 frag_threshold;
u32 rts_threshold;
u32 retry_short;
u32 retry_long;
s32 tx_power;
struct ieee80211_channel channel;
};
/* basic structure of scan request */
struct brcmf_cfg80211_scan_req {
struct brcmf_ssid_le ssid_le;
};
/* basic structure of information element */
struct brcmf_cfg80211_ie {
u16 offset;
u8 buf[WL_TLV_INFO_MAX];
};
/* security information with currently associated ap */
struct brcmf_cfg80211_security {
u32 wpa_versions;
u32 auth_type;
u32 cipher_pairwise;
u32 cipher_group;
u32 wpa_auth;
};
/**
* struct brcmf_cfg80211_profile - profile information.
*
* @ssid: ssid of associated/associating ap.
* @bssid: bssid of joined/joining ibss.
* @sec: security information.
*/
struct brcmf_cfg80211_profile {
struct brcmf_ssid ssid;
u8 bssid[ETH_ALEN];
struct brcmf_cfg80211_security sec;
};
/**
* enum brcmf_vif_status - bit indices for vif status.
*
* @BRCMF_VIF_STATUS_READY: ready for operation.
* @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
* @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
* @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
* @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
* @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
*/
enum brcmf_vif_status {
BRCMF_VIF_STATUS_READY,
BRCMF_VIF_STATUS_CONNECTING,
BRCMF_VIF_STATUS_CONNECTED,
BRCMF_VIF_STATUS_DISCONNECTING,
BRCMF_VIF_STATUS_AP_CREATING,
BRCMF_VIF_STATUS_AP_CREATED
};
/**
* struct vif_saved_ie - holds saved IEs for a virtual interface.
*
* @probe_req_ie: IE info for probe request.
* @probe_res_ie: IE info for probe response.
* @beacon_ie: IE info for beacon frame.
* @probe_req_ie_len: IE info length for probe request.
* @probe_res_ie_len: IE info length for probe response.
* @beacon_ie_len: IE info length for beacon frame.
*/
struct vif_saved_ie {
u8 probe_req_ie[IE_MAX_LEN];
u8 probe_res_ie[IE_MAX_LEN];
u8 beacon_ie[IE_MAX_LEN];
u8 assoc_req_ie[IE_MAX_LEN];
u32 probe_req_ie_len;
u32 probe_res_ie_len;
u32 beacon_ie_len;
u32 assoc_req_ie_len;
};
/**
* struct brcmf_cfg80211_vif - virtual interface specific information.
*
* @ifp: lower layer interface pointer
* @wdev: wireless device.
* @profile: profile information.
* @mode: operating mode.
* @roam_off: roaming state.
* @sme_state: SME state using enum brcmf_vif_status bits.
* @pm_block: power-management blocked.
* @list: linked list.
* @mgmt_rx_reg: registered rx mgmt frame types.
*/
struct brcmf_cfg80211_vif {
struct brcmf_if *ifp;
struct wireless_dev wdev;
struct brcmf_cfg80211_profile profile;
s32 mode;
s32 roam_off;
unsigned long sme_state;
bool pm_block;
struct vif_saved_ie saved_ie;
struct list_head list;
u16 mgmt_rx_reg;
};
/* association inform */
struct brcmf_cfg80211_connect_info {
u8 *req_ie;
s32 req_ie_len;
u8 *resp_ie;
s32 resp_ie_len;
};
/* assoc ie length */
struct brcmf_cfg80211_assoc_ielen_le {
__le32 req_len;
__le32 resp_len;
};
/* wpa2 pmk list */
struct brcmf_cfg80211_pmk_list {
struct pmkid_list pmkids;
struct pmkid foo[MAXPMKID - 1];
};
/* dongle escan state */
enum wl_escan_state {
WL_ESCAN_STATE_IDLE,
WL_ESCAN_STATE_SCANNING
};
struct escan_info {
u32 escan_state;
u8 escan_buf[WL_ESCAN_BUF_SIZE];
struct wiphy *wiphy;
struct brcmf_if *ifp;
s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
struct cfg80211_scan_request *request, u16 action);
};
/**
* struct brcmf_pno_param_le - PNO scan configuration parameters
*
* @version: PNO parameters version.
* @scan_freq: scan frequency.
* @lost_network_timeout: #sec. to declare discovered network as lost.
* @flags: Bit field to control features of PFN such as sort criteria auto
* enable switch and background scan.
* @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
* criteria.
* @bestn: number of best networks in each scan.
* @mscan: number of scans recorded.
* @repeat: minimum number of scan intervals before scan frequency changes
* in adaptive scan.
* @exp: exponent of 2 for maximum scan interval.
* @slow_freq: slow scan period.
*/
struct brcmf_pno_param_le {
__le32 version;
__le32 scan_freq;
__le32 lost_network_timeout;
__le16 flags;
__le16 rssi_margin;
u8 bestn;
u8 mscan;
u8 repeat;
u8 exp;
__le32 slow_freq;
};
/**
* struct brcmf_pno_net_param_le - scan parameters per preferred network.
*
* @ssid: ssid name and its length.
* @flags: bit2: hidden.
* @infra: BSS vs IBSS.
* @auth: Open vs Closed.
* @wpa_auth: WPA type.
* @wsec: wsec value.
*/
struct brcmf_pno_net_param_le {
struct brcmf_ssid_le ssid;
__le32 flags;
__le32 infra;
__le32 auth;
__le32 wpa_auth;
__le32 wsec;
};
/**
* struct brcmf_pno_net_info_le - information per found network.
*
* @bssid: BSS network identifier.
* @channel: channel number only.
* @SSID_len: length of ssid.
* @SSID: ssid characters.
* @RSSI: receive signal strength (in dBm).
* @timestamp: age in seconds.
*/
struct brcmf_pno_net_info_le {
u8 bssid[ETH_ALEN];
u8 channel;
u8 SSID_len;
u8 SSID[32];
__le16 RSSI;
__le16 timestamp;
};
/**
* struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
*
* @version: PNO version identifier.
* @status: indicates completion status of PNO scan.
* @count: amount of brcmf_pno_net_info_le entries appended.
*/
struct brcmf_pno_scanresults_le {
__le32 version;
__le32 status;
__le32 count;
};
/**
* struct brcmf_cfg80211_vif_event - virtual interface event information.
*
* @vif_wq: waitqueue awaiting interface event from firmware.
* @vif_event_lock: protects other members in this structure.
* @vif_complete: completion for net attach.
* @action: either add, change, or delete.
* @vif: virtual interface object related to the event.
*/
struct brcmf_cfg80211_vif_event {
wait_queue_head_t vif_wq;
struct mutex vif_event_lock;
u8 action;
struct brcmf_cfg80211_vif *vif;
};
/**
* struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
*
* @wiphy: wiphy object for cfg80211 interface.
* @conf: dongle configuration.
* @p2p: peer-to-peer specific information.
* @btcoex: Bluetooth coexistence information.
* @scan_request: cfg80211 scan request object.
* @usr_sync: mainly for dongle up/down synchronization.
* @bss_list: bss_list holding scanned ap information.
* @scan_req_int: internal scan request object.
* @bss_info: bss information for cfg80211 layer.
* @ie: information element object for internal purpose.
* @conn_info: association info.
* @pmk_list: wpa2 pmk list.
* @scan_status: scan activity on the dongle.
* @pub: common driver information.
* @channel: current channel.
* @active_scan: current scan mode.
* @sched_escan: e-scan for scheduled scan support running.
* @ibss_starter: indicates this sta is ibss starter.
* @pwr_save: indicate whether dongle to support power save mode.
* @dongle_up: indicate whether dongle up or not.
* @roam_on: on/off switch for dongle self-roaming.
* @scan_tried: indicates if first scan attempted.
* @dcmd_buf: dcmd buffer.
* @extra_buf: mainly to grab assoc information.
* @debugfsdir: debugfs folder for this device.
* @escan_info: escan information.
* @escan_timeout: Timer for catch scan timeout.
* @escan_timeout_work: scan timeout worker.
* @escan_ioctl_buf: dongle command buffer for escan commands.
* @vif_list: linked list of vif instances.
* @vif_cnt: number of vif instances.
* @vif_event: vif event signalling.
*/
struct brcmf_cfg80211_info {
struct wiphy *wiphy;
struct brcmf_cfg80211_conf *conf;
struct brcmf_p2p_info p2p;
struct brcmf_btcoex_info *btcoex;
struct cfg80211_scan_request *scan_request;
struct mutex usr_sync;
struct brcmf_scan_results *bss_list;
struct brcmf_cfg80211_scan_req scan_req_int;
struct wl_cfg80211_bss_info *bss_info;
struct brcmf_cfg80211_ie ie;
struct brcmf_cfg80211_connect_info conn_info;
struct brcmf_cfg80211_pmk_list *pmk_list;
unsigned long scan_status;
struct brcmf_pub *pub;
u32 channel;
bool active_scan;
bool sched_escan;
bool ibss_starter;
bool pwr_save;
bool dongle_up;
bool roam_on;
bool scan_tried;
u8 *dcmd_buf;
u8 *extra_buf;
struct dentry *debugfsdir;
struct escan_info escan_info;
struct timer_list escan_timeout;
struct work_struct escan_timeout_work;
u8 *escan_ioctl_buf;
struct list_head vif_list;
u8 vif_cnt;
struct brcmf_cfg80211_vif_event vif_event;
struct completion vif_disabled;
struct brcmu_d11inf d11inf;
};
/**
* struct brcmf_tlv - tag_ID/length/value_buffer tuple.
*
* @id: tag identifier.
* @len: number of bytes in value buffer.
* @data: value buffer.
*/
struct brcmf_tlv {
u8 id;
u8 len;
u8 data[1];
};
static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
{
return cfg->wiphy;
}
static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
{
return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
}
static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
{
return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
}
static inline
struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
{
struct brcmf_cfg80211_vif *vif;
vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
return vif->wdev.netdev;
}
static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
{
return wdev_to_cfg(ndev->ieee80211_ptr);
}
static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
{
struct brcmf_if *ifp = netdev_priv(nd);
return &ifp->vif->profile;
}
static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
{
struct brcmf_if *ifp = netdev_priv(ndev);
return ifp->vif;
}
static inline struct
brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
{
return &cfg->conn_info;
}
struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
struct device *busdev);
void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
s32 brcmf_cfg80211_up(struct net_device *ndev);
s32 brcmf_cfg80211_down(struct net_device *ndev);
enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
enum nl80211_iftype type,
bool pm_block);
void brcmf_free_vif(struct brcmf_cfg80211_info *cfg,
struct brcmf_cfg80211_vif *vif);
s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
const u8 *vndr_ie_buf, u32 vndr_ie_len);
s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key);
u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
struct ieee80211_channel *ch);
u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state);
void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
struct brcmf_cfg80211_vif *vif);
bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
u8 action, ulong timeout);
s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
struct brcmf_if *ifp, bool aborted,
bool fw_abort);
void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
#endif /* _wl_cfg80211_h_ */