- 根目录:
- drivers
- net
- wireless
- bcmdhd
- wl_android.c
/*
* Linux cfg80211 driver - Android related functions
*
* Copyright (C) 1999-2012, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: wl_android.c 309571 2012-01-20 01:45:10Z $
*/
#include <linux/module.h>
#include <linux/netdevice.h>
#include <wl_android.h>
#include <wldev_common.h>
#include <wlioctl.h>
#include <bcmutils.h>
#include <linux_osl.h>
#include <dhd_dbg.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <bcmsdbus.h>
#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif
#if defined(CONFIG_WIFI_CONTROL_FUNC)
#include <linux/platform_device.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
#include <linux/wlan_plat.h>
#else
#include <linux/wifi_tiwlan.h>
#endif
#endif /* CONFIG_WIFI_CONTROL_FUNC */
/*
* Android private command strings, PLEASE define new private commands here
* so they can be updated easily in the future (if needed)
*/
#define CMD_START "START"
#define CMD_STOP "STOP"
#define CMD_SCAN_ACTIVE "SCAN-ACTIVE"
#define CMD_SCAN_PASSIVE "SCAN-PASSIVE"
#define CMD_RSSI "RSSI"
#define CMD_LINKSPEED "LINKSPEED"
#define CMD_RXFILTER_START "RXFILTER-START"
#define CMD_RXFILTER_STOP "RXFILTER-STOP"
#define CMD_RXFILTER_ADD "RXFILTER-ADD"
#define CMD_RXFILTER_REMOVE "RXFILTER-REMOVE"
#define CMD_BTCOEXSCAN_START "BTCOEXSCAN-START"
#define CMD_BTCOEXSCAN_STOP "BTCOEXSCAN-STOP"
#define CMD_BTCOEXMODE "BTCOEXMODE"
#define CMD_SETSUSPENDOPT "SETSUSPENDOPT"
#define CMD_P2P_DEV_ADDR "P2P_DEV_ADDR"
#define CMD_SETFWPATH "SETFWPATH"
#define CMD_SETBAND "SETBAND"
#define CMD_GETBAND "GETBAND"
#define CMD_COUNTRY "COUNTRY"
#define CMD_P2P_SET_NOA "P2P_SET_NOA"
#define CMD_P2P_GET_NOA "P2P_GET_NOA"
#define CMD_P2P_SET_PS "P2P_SET_PS"
#define CMD_SET_AP_WPS_P2P_IE "SET_AP_WPS_P2P_IE"
#ifdef PNO_SUPPORT
#define CMD_PNOSSIDCLR_SET "PNOSSIDCLR"
#define CMD_PNOSETUP_SET "PNOSETUP "
#define CMD_PNOENABLE_SET "PNOFORCE"
#define CMD_PNODEBUG_SET "PNODEBUG"
#define PNO_TLV_PREFIX 'S'
#define PNO_TLV_VERSION '1'
#define PNO_TLV_SUBVERSION '2'
#define PNO_TLV_RESERVED '0'
#define PNO_TLV_TYPE_SSID_IE 'S'
#define PNO_TLV_TYPE_TIME 'T'
#define PNO_TLV_FREQ_REPEAT 'R'
#define PNO_TLV_FREQ_EXPO_MAX 'M'
typedef struct cmd_tlv {
char prefix;
char version;
char subver;
char reserved;
} cmd_tlv_t;
#endif /* PNO_SUPPORT */
typedef struct android_wifi_priv_cmd {
char *buf;
int used_len;
int total_len;
} android_wifi_priv_cmd;
/**
* Extern function declarations (TODO: move them to dhd_linux.h)
*/
void dhd_customer_gpio_wlan_ctrl(int onoff);
uint dhd_dev_reset(struct net_device *dev, uint8 flag);
void dhd_dev_init_ioctl(struct net_device *dev);
#ifdef WL_CFG80211
int wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr);
int wl_cfg80211_set_btcoex_dhcp(struct net_device *dev, char *command);
#else
int wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr)
{ return 0; }
int wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len)
{ return 0; }
int wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len)
{ return 0; }
int wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len)
{ return 0; }
#endif
extern int dhd_os_check_if_up(void *dhdp);
extern void *bcmsdh_get_drvdata(void);
extern bool ap_fw_loaded;
#ifdef CUSTOMER_HW2
extern char iface_name[IFNAMSIZ];
#endif
/**
* Local (static) functions and variables
*/
/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
* time (only) in dhd_open, subsequential wifi on will be handled by
* wl_android_wifi_on
*/
static int g_wifi_on = TRUE;
/**
* Local (static) function definitions
*/
static int wl_android_get_link_speed(struct net_device *net, char *command, int total_len)
{
int link_speed;
int bytes_written;
int error;
error = wldev_get_link_speed(net, &link_speed);
if (error)
return -1;
/* Convert Kbps to Android Mbps */
link_speed = link_speed / 1000;
bytes_written = snprintf(command, total_len, "LinkSpeed %d", link_speed);
DHD_INFO(("%s: command result is %s\n", __FUNCTION__, command));
return bytes_written;
}
static int wl_android_get_rssi(struct net_device *net, char *command, int total_len)
{
wlc_ssid_t ssid = {0};
int rssi;
int bytes_written = 0;
int error;
error = wldev_get_rssi(net, &rssi);
if (error)
return -1;
error = wldev_get_ssid(net, &ssid);
if (error)
return -1;
if ((ssid.SSID_len == 0) || (ssid.SSID_len > DOT11_MAX_SSID_LEN)) {
DHD_ERROR(("%s: wldev_get_ssid failed\n", __FUNCTION__));
} else {
memcpy(command, ssid.SSID, ssid.SSID_len);
bytes_written = ssid.SSID_len;
}
bytes_written += snprintf(&command[bytes_written], total_len, " rssi %d", rssi);
DHD_INFO(("%s: command result is %s (%d)\n", __FUNCTION__, command, bytes_written));
return bytes_written;
}
static int wl_android_set_suspendopt(struct net_device *dev, char *command, int total_len)
{
int suspend_flag;
int ret_now;
int ret = 0;
suspend_flag = *(command + strlen(CMD_SETSUSPENDOPT) + 1) - '0';
if (suspend_flag != 0)
suspend_flag = 1;
ret_now = net_os_set_suspend_disable(dev, suspend_flag);
if (ret_now != suspend_flag) {
if (!(ret = net_os_set_suspend(dev, ret_now)))
DHD_INFO(("%s: Suspend Flag %d -> %d\n",
__FUNCTION__, ret_now, suspend_flag));
else
DHD_ERROR(("%s: failed %d\n", __FUNCTION__, ret));
}
return ret;
}
static int wl_android_get_band(struct net_device *dev, char *command, int total_len)
{
uint band;
int bytes_written;
int error;
error = wldev_get_band(dev, &band);
if (error)
return -1;
bytes_written = snprintf(command, total_len, "Band %d", band);
return bytes_written;
}
#ifdef PNO_SUPPORT
static int wl_android_set_pno_setup(struct net_device *dev, char *command, int total_len)
{
wlc_ssid_t ssids_local[MAX_PFN_LIST_COUNT];
int res = -1;
int nssid = 0;
cmd_tlv_t *cmd_tlv_temp;
char *str_ptr;
int tlv_size_left;
int pno_time = 0;
int pno_repeat = 0;
int pno_freq_expo_max = 0;
#ifdef PNO_SET_DEBUG
int i;
char pno_in_example[] = {
'P', 'N', 'O', 'S', 'E', 'T', 'U', 'P', ' ',
'S', '1', '2', '0',
'S',
0x05,
'd', 'l', 'i', 'n', 'k',
'S',
0x04,
'G', 'O', 'O', 'G',
'T',
'0', 'B',
'R',
'2',
'M',
'2',
0x00
};
#endif /* PNO_SET_DEBUG */
DHD_INFO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len));
if (total_len < (strlen(CMD_PNOSETUP_SET) + sizeof(cmd_tlv_t))) {
DHD_ERROR(("%s argument=%d less min size\n", __FUNCTION__, total_len));
goto exit_proc;
}
#ifdef PNO_SET_DEBUG
memcpy(command, pno_in_example, sizeof(pno_in_example));
for (i = 0; i < sizeof(pno_in_example); i++)
printf("%02X ", command[i]);
printf("\n");
total_len = sizeof(pno_in_example);
#endif
str_ptr = command + strlen(CMD_PNOSETUP_SET);
tlv_size_left = total_len - strlen(CMD_PNOSETUP_SET);
cmd_tlv_temp = (cmd_tlv_t *)str_ptr;
memset(ssids_local, 0, sizeof(ssids_local));
if ((cmd_tlv_temp->prefix == PNO_TLV_PREFIX) &&
(cmd_tlv_temp->version == PNO_TLV_VERSION) &&
(cmd_tlv_temp->subver == PNO_TLV_SUBVERSION)) {
str_ptr += sizeof(cmd_tlv_t);
tlv_size_left -= sizeof(cmd_tlv_t);
if ((nssid = wl_iw_parse_ssid_list_tlv(&str_ptr, ssids_local,
MAX_PFN_LIST_COUNT, &tlv_size_left)) <= 0) {
DHD_ERROR(("SSID is not presented or corrupted ret=%d\n", nssid));
goto exit_proc;
} else {
if ((str_ptr[0] != PNO_TLV_TYPE_TIME) || (tlv_size_left <= 1)) {
DHD_ERROR(("%s scan duration corrupted field size %d\n",
__FUNCTION__, tlv_size_left));
goto exit_proc;
}
str_ptr++;
pno_time = simple_strtoul(str_ptr, &str_ptr, 16);
DHD_INFO(("%s: pno_time=%d\n", __FUNCTION__, pno_time));
if (str_ptr[0] != 0) {
if ((str_ptr[0] != PNO_TLV_FREQ_REPEAT)) {
DHD_ERROR(("%s pno repeat : corrupted field\n",
__FUNCTION__));
goto exit_proc;
}
str_ptr++;
pno_repeat = simple_strtoul(str_ptr, &str_ptr, 16);
DHD_INFO(("%s :got pno_repeat=%d\n", __FUNCTION__, pno_repeat));
if (str_ptr[0] != PNO_TLV_FREQ_EXPO_MAX) {
DHD_ERROR(("%s FREQ_EXPO_MAX corrupted field size\n",
__FUNCTION__));
goto exit_proc;
}
str_ptr++;
pno_freq_expo_max = simple_strtoul(str_ptr, &str_ptr, 16);
DHD_INFO(("%s: pno_freq_expo_max=%d\n",
__FUNCTION__, pno_freq_expo_max));
}
}
} else {
DHD_ERROR(("%s get wrong TLV command\n", __FUNCTION__));
goto exit_proc;
}
res = dhd_dev_pno_set(dev, ssids_local, nssid, pno_time, pno_repeat, pno_freq_expo_max);
exit_proc:
return res;
}
#endif /* PNO_SUPPORT */
static int wl_android_get_p2p_dev_addr(struct net_device *ndev, char *command, int total_len)
{
int ret;
int bytes_written = 0;
ret = wl_cfg80211_get_p2p_dev_addr(ndev, (struct ether_addr*)command);
if (ret)
return 0;
bytes_written = sizeof(struct ether_addr);
return bytes_written;
}
/**
* Global function definitions (declared in wl_android.h)
*/
int wl_android_wifi_on(struct net_device *dev)
{
int ret = 0;
int retry = POWERUP_MAX_RETRY;
printk("%s in\n", __FUNCTION__);
if (!dev) {
DHD_ERROR(("%s: dev is null\n", __FUNCTION__));
return -EINVAL;
}
dhd_net_if_lock(dev);
if (!g_wifi_on) {
do {
dhd_customer_gpio_wlan_ctrl(WLAN_RESET_ON);
ret = sdioh_start(NULL, 0);
if (ret == 0)
break;
DHD_ERROR(("\nfailed to power up wifi chip, retry again (%d left) **\n\n",
retry+1));
dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
} while (retry-- >= 0);
if (ret != 0) {
DHD_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n"));
goto exit;
}
ret = dhd_dev_reset(dev, FALSE);
sdioh_start(NULL, 1);
dhd_dev_init_ioctl(dev);
g_wifi_on = TRUE;
}
exit:
dhd_net_if_unlock(dev);
return ret;
}
int wl_android_wifi_off(struct net_device *dev)
{
int ret = 0;
printk("%s in\n", __FUNCTION__);
if (!dev) {
DHD_TRACE(("%s: dev is null\n", __FUNCTION__));
return -EINVAL;
}
dhd_net_if_lock(dev);
if (g_wifi_on) {
dhd_dev_reset(dev, 1);
sdioh_stop(NULL);
dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
g_wifi_on = FALSE;
}
dhd_net_if_unlock(dev);
return ret;
}
static int wl_android_set_fwpath(struct net_device *net, char *command, int total_len)
{
if ((strlen(command) - strlen(CMD_SETFWPATH)) > MOD_PARAM_PATHLEN)
return -1;
bcm_strncpy_s(fw_path, sizeof(fw_path),
command + strlen(CMD_SETFWPATH) + 1, MOD_PARAM_PATHLEN - 1);
if (strstr(fw_path, "apsta") != NULL) {
DHD_INFO(("GOT APSTA FIRMWARE\n"));
ap_fw_loaded = TRUE;
} else {
DHD_INFO(("GOT STA FIRMWARE\n"));
ap_fw_loaded = FALSE;
}
return 0;
}
int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
{
int ret = 0;
char *command = NULL;
int bytes_written = 0;
android_wifi_priv_cmd priv_cmd;
net_os_wake_lock(net);
if (!ifr->ifr_data) {
ret = -EINVAL;
goto exit;
}
if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(android_wifi_priv_cmd))) {
ret = -EFAULT;
goto exit;
}
command = kmalloc(priv_cmd.total_len, GFP_KERNEL);
if (!command)
{
DHD_ERROR(("%s: failed to allocate memory\n", __FUNCTION__));
ret = -ENOMEM;
goto exit;
}
if (copy_from_user(command, priv_cmd.buf, priv_cmd.total_len)) {
ret = -EFAULT;
goto exit;
}
DHD_INFO(("%s: Android private cmd \"%s\" on %s\n", __FUNCTION__, command, ifr->ifr_name));
if (strnicmp(command, CMD_START, strlen(CMD_START)) == 0) {
DHD_INFO(("%s, Received regular START command\n", __FUNCTION__));
bytes_written = wl_android_wifi_on(net);
}
else if (strnicmp(command, CMD_SETFWPATH, strlen(CMD_SETFWPATH)) == 0) {
bytes_written = wl_android_set_fwpath(net, command, priv_cmd.total_len);
}
if (!g_wifi_on) {
DHD_ERROR(("%s: Ignore private cmd \"%s\" - iface %s is down\n",
__FUNCTION__, command, ifr->ifr_name));
ret = 0;
goto exit;
}
if (strnicmp(command, CMD_STOP, strlen(CMD_STOP)) == 0) {
bytes_written = wl_android_wifi_off(net);
}
else if (strnicmp(command, CMD_SCAN_ACTIVE, strlen(CMD_SCAN_ACTIVE)) == 0) {
/* TBD: SCAN-ACTIVE */
}
else if (strnicmp(command, CMD_SCAN_PASSIVE, strlen(CMD_SCAN_PASSIVE)) == 0) {
/* TBD: SCAN-PASSIVE */
}
else if (strnicmp(command, CMD_RSSI, strlen(CMD_RSSI)) == 0) {
bytes_written = wl_android_get_rssi(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_LINKSPEED, strlen(CMD_LINKSPEED)) == 0) {
bytes_written = wl_android_get_link_speed(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_RXFILTER_START, strlen(CMD_RXFILTER_START)) == 0) {
bytes_written = net_os_set_packet_filter(net, 1);
}
else if (strnicmp(command, CMD_RXFILTER_STOP, strlen(CMD_RXFILTER_STOP)) == 0) {
bytes_written = net_os_set_packet_filter(net, 0);
}
else if (strnicmp(command, CMD_RXFILTER_ADD, strlen(CMD_RXFILTER_ADD)) == 0) {
int filter_num = *(command + strlen(CMD_RXFILTER_ADD) + 1) - '0';
bytes_written = net_os_rxfilter_add_remove(net, TRUE, filter_num);
}
else if (strnicmp(command, CMD_RXFILTER_REMOVE, strlen(CMD_RXFILTER_REMOVE)) == 0) {
int filter_num = *(command + strlen(CMD_RXFILTER_REMOVE) + 1) - '0';
bytes_written = net_os_rxfilter_add_remove(net, FALSE, filter_num);
}
else if (strnicmp(command, CMD_BTCOEXSCAN_START, strlen(CMD_BTCOEXSCAN_START)) == 0) {
/* TBD: BTCOEXSCAN-START */
}
else if (strnicmp(command, CMD_BTCOEXSCAN_STOP, strlen(CMD_BTCOEXSCAN_STOP)) == 0) {
/* TBD: BTCOEXSCAN-STOP */
}
else if (strnicmp(command, CMD_BTCOEXMODE, strlen(CMD_BTCOEXMODE)) == 0) {
uint mode = *(command + strlen(CMD_BTCOEXMODE) + 1) - '0';
if (mode == 1)
net_os_set_packet_filter(net, 0); /* DHCP starts */
else
net_os_set_packet_filter(net, 1); /* DHCP ends */
#ifdef WL_CFG80211
bytes_written = wl_cfg80211_set_btcoex_dhcp(net, command);
#endif
}
else if (strnicmp(command, CMD_SETSUSPENDOPT, strlen(CMD_SETSUSPENDOPT)) == 0) {
bytes_written = wl_android_set_suspendopt(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_SETBAND, strlen(CMD_SETBAND)) == 0) {
uint band = *(command + strlen(CMD_SETBAND) + 1) - '0';
bytes_written = wldev_set_band(net, band);
}
else if (strnicmp(command, CMD_GETBAND, strlen(CMD_GETBAND)) == 0) {
bytes_written = wl_android_get_band(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_COUNTRY, strlen(CMD_COUNTRY)) == 0) {
char *country_code = command + strlen(CMD_COUNTRY) + 1;
bytes_written = wldev_set_country(net, country_code);
}
#ifdef PNO_SUPPORT
else if (strnicmp(command, CMD_PNOSSIDCLR_SET, strlen(CMD_PNOSSIDCLR_SET)) == 0) {
bytes_written = dhd_dev_pno_reset(net);
}
else if (strnicmp(command, CMD_PNOSETUP_SET, strlen(CMD_PNOSETUP_SET)) == 0) {
bytes_written = wl_android_set_pno_setup(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_PNOENABLE_SET, strlen(CMD_PNOENABLE_SET)) == 0) {
uint pfn_enabled = *(command + strlen(CMD_PNOENABLE_SET) + 1) - '0';
bytes_written = dhd_dev_pno_enable(net, pfn_enabled);
}
#endif
else if (strnicmp(command, CMD_P2P_DEV_ADDR, strlen(CMD_P2P_DEV_ADDR)) == 0) {
bytes_written = wl_android_get_p2p_dev_addr(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_P2P_SET_NOA, strlen(CMD_P2P_SET_NOA)) == 0) {
int skip = strlen(CMD_P2P_SET_NOA) + 1;
bytes_written = wl_cfg80211_set_p2p_noa(net, command + skip,
priv_cmd.total_len - skip);
}
else if (strnicmp(command, CMD_P2P_GET_NOA, strlen(CMD_P2P_GET_NOA)) == 0) {
bytes_written = wl_cfg80211_get_p2p_noa(net, command, priv_cmd.total_len);
}
else if (strnicmp(command, CMD_P2P_SET_PS, strlen(CMD_P2P_SET_PS)) == 0) {
int skip = strlen(CMD_P2P_SET_PS) + 1;
bytes_written = wl_cfg80211_set_p2p_ps(net, command + skip,
priv_cmd.total_len - skip);
}
#ifdef WL_CFG80211
else if (strnicmp(command, CMD_SET_AP_WPS_P2P_IE,
strlen(CMD_SET_AP_WPS_P2P_IE)) == 0) {
int skip = strlen(CMD_SET_AP_WPS_P2P_IE) + 3;
bytes_written = wl_cfg80211_set_wps_p2p_ie(net, command + skip,
priv_cmd.total_len - skip, *(command + skip - 2) - '0');
}
#endif /* WL_CFG80211 */
else {
DHD_ERROR(("Unknown PRIVATE command %s - ignored\n", command));
snprintf(command, 3, "OK");
bytes_written = strlen("OK");
}
if (bytes_written >= 0) {
if (bytes_written == 0)
command[0] = '\0';
if (bytes_written > priv_cmd.total_len) {
DHD_ERROR(("%s: bytes_written = %d\n", __FUNCTION__, bytes_written));
bytes_written = priv_cmd.total_len;
} else {
bytes_written++;
}
priv_cmd.used_len = bytes_written;
if (copy_to_user(priv_cmd.buf, command, bytes_written)) {
DHD_ERROR(("%s: failed to copy data to user buffer\n", __FUNCTION__));
ret = -EFAULT;
}
}
else {
ret = bytes_written;
}
exit:
net_os_wake_unlock(net);
if (command) {
kfree(command);
}
return ret;
}
int wl_android_init(void)
{
int ret = 0;
dhd_msg_level = DHD_ERROR_VAL;
#ifdef ENABLE_INSMOD_NO_FW_LOAD
dhd_download_fw_on_driverload = FALSE;
#endif /* ENABLE_INSMOD_NO_FW_LOAD */
#ifdef CUSTOMER_HW2
if (!iface_name[0]) {
memset(iface_name, 0, IFNAMSIZ);
bcm_strncpy_s(iface_name, IFNAMSIZ, "wlan", IFNAMSIZ);
}
#endif /* CUSTOMER_HW2 */
return ret;
}
int wl_android_exit(void)
{
int ret = 0;
return ret;
}
void wl_android_post_init(void)
{
if (!dhd_download_fw_on_driverload) {
/* Call customer gpio to turn off power with WL_REG_ON signal */
dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
g_wifi_on = 0;
}
}
/**
* Functions for Android WiFi card detection
*/
#if defined(CONFIG_WIFI_CONTROL_FUNC)
static int g_wifidev_registered = 0;
static struct semaphore wifi_control_sem;
static struct wifi_platform_data *wifi_control_data = NULL;
static struct resource *wifi_irqres = NULL;
static int wifi_add_dev(void);
static void wifi_del_dev(void);
int wl_android_wifictrl_func_add(void)
{
int ret = 0;
sema_init(&wifi_control_sem, 0);
ret = wifi_add_dev();
if (ret) {
DHD_ERROR(("%s: platform_driver_register failed\n", __FUNCTION__));
return ret;
}
g_wifidev_registered = 1;
/* Waiting callback after platform_driver_register is done or exit with error */
if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) {
ret = -EINVAL;
DHD_ERROR(("%s: platform_driver_register timeout\n", __FUNCTION__));
}
return ret;
}
void wl_android_wifictrl_func_del(void)
{
if (g_wifidev_registered)
{
wifi_del_dev();
g_wifidev_registered = 0;
}
}
void* wl_android_prealloc(int section, unsigned long size)
{
void *alloc_ptr = NULL;
if (wifi_control_data && wifi_control_data->mem_prealloc) {
alloc_ptr = wifi_control_data->mem_prealloc(section, size);
if (alloc_ptr) {
DHD_INFO(("success alloc section %d\n", section));
bzero(alloc_ptr, size);
return alloc_ptr;
}
}
DHD_ERROR(("can't alloc section %d\n", section));
return 0;
}
int wifi_get_irq_number(unsigned long *irq_flags_ptr)
{
if (wifi_irqres) {
*irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK;
return (int)wifi_irqres->start;
}
#ifdef CUSTOM_OOB_GPIO_NUM
return CUSTOM_OOB_GPIO_NUM;
#else
return -1;
#endif
}
int wifi_set_power(int on, unsigned long msec)
{
DHD_ERROR(("%s = %d\n", __FUNCTION__, on));
if (wifi_control_data && wifi_control_data->set_power) {
wifi_control_data->set_power(on);
}
if (msec)
mdelay(msec);
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
int wifi_get_mac_addr(unsigned char *buf)
{
DHD_ERROR(("%s\n", __FUNCTION__));
if (!buf)
return -EINVAL;
if (wifi_control_data && wifi_control_data->get_mac_addr) {
return wifi_control_data->get_mac_addr(buf);
}
return -EOPNOTSUPP;
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
void *wifi_get_country_code(char *ccode)
{
DHD_TRACE(("%s\n", __FUNCTION__));
if (!ccode)
return NULL;
if (wifi_control_data && wifi_control_data->get_country_code) {
return wifi_control_data->get_country_code(ccode);
}
return NULL;
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) */
static int wifi_set_carddetect(int on)
{
DHD_ERROR(("%s = %d\n", __FUNCTION__, on));
if (wifi_control_data && wifi_control_data->set_carddetect) {
wifi_control_data->set_carddetect(on);
}
return 0;
}
static int wifi_probe(struct platform_device *pdev)
{
struct wifi_platform_data *wifi_ctrl =
(struct wifi_platform_data *)(pdev->dev.platform_data);
wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcmdhd_wlan_irq");
if (wifi_irqres == NULL)
wifi_irqres = platform_get_resource_byname(pdev,
IORESOURCE_IRQ, "bcm4329_wlan_irq");
wifi_control_data = wifi_ctrl;
wifi_set_power(1, 0); /* Power On */
wifi_set_carddetect(1); /* CardDetect (0->1) */
up(&wifi_control_sem);
return 0;
}
static int wifi_remove(struct platform_device *pdev)
{
struct wifi_platform_data *wifi_ctrl =
(struct wifi_platform_data *)(pdev->dev.platform_data);
DHD_ERROR(("## %s\n", __FUNCTION__));
wifi_control_data = wifi_ctrl;
wifi_set_power(0, 0); /* Power Off */
wifi_set_carddetect(0); /* CardDetect (1->0) */
up(&wifi_control_sem);
return 0;
}
static int wifi_suspend(struct platform_device *pdev, pm_message_t state)
{
DHD_TRACE(("##> %s\n", __FUNCTION__));
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && defined(OOB_INTR_ONLY) && 1
bcmsdh_oob_intr_set(0);
#endif /* (OOB_INTR_ONLY) */
return 0;
}
static int wifi_resume(struct platform_device *pdev)
{
DHD_TRACE(("##> %s\n", __FUNCTION__));
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && defined(OOB_INTR_ONLY) && 1
if (dhd_os_check_if_up(bcmsdh_get_drvdata()))
bcmsdh_oob_intr_set(1);
#endif /* (OOB_INTR_ONLY) */
return 0;
}
static struct platform_driver wifi_device = {
.probe = wifi_probe,
.remove = wifi_remove,
.suspend = wifi_suspend,
.resume = wifi_resume,
.driver = {
.name = "bcmdhd_wlan",
}
};
static struct platform_driver wifi_device_legacy = {
.probe = wifi_probe,
.remove = wifi_remove,
.suspend = wifi_suspend,
.resume = wifi_resume,
.driver = {
.name = "bcm4329_wlan",
}
};
static int wifi_add_dev(void)
{
DHD_TRACE(("## Calling platform_driver_register\n"));
platform_driver_register(&wifi_device);
platform_driver_register(&wifi_device_legacy);
return 0;
}
static void wifi_del_dev(void)
{
DHD_TRACE(("## Unregister platform_driver_register\n"));
platform_driver_unregister(&wifi_device);
platform_driver_unregister(&wifi_device_legacy);
}
#endif /* defined(CONFIG_WIFI_CONTROL_FUNC) */