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sdmmc: support use sdmmc0 for wifi

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This commit is contained in:
wdc
2013-10-15 17:16:36 +08:00
parent ad501f7f3a
commit 2be96faf89
2 changed files with 47 additions and 7 deletions
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40
arch/arm/plat-rk/rk-sdmmc-wifi.c
View File

@@ -246,6 +246,14 @@ struct rksdmmc_gpio_wifi_moudle rk_platform_wifi_gpio = {
#ifdef CONFIG_WIFI_CONTROL_FUNC
#if defined(CONFIG_USE_SDMMC0_FOR_WIFI_DEVELOP_BOARD)
static int rk29sdk_wifi_mmc0_status(struct device *dev);
static int rk29sdk_wifi_mmc0_status_register(void (*callback)(int card_presend, void *dev_id), void *dev_id);
static int rk29sdk_wifi_mmc0_cd = 0; /* wifi virtual 'card detect' status */
static void (*wifi_mmc0_status_cb)(int card_present, void *dev_id);
static void *wifi_mmc0_status_cb_devid;
#endif
#define PREALLOC_WLAN_SEC_NUM 4
#define PREALLOC_WLAN_BUF_NUM 160
#define PREALLOC_WLAN_SECTION_HEADER 24
@@ -322,6 +330,23 @@ err_skb_alloc:
return -ENOMEM;
}
#if defined(CONFIG_USE_SDMMC0_FOR_WIFI_DEVELOP_BOARD)
static int rk29sdk_wifi_mmc0_status(struct device *dev)
{
return rk29sdk_wifi_mmc0_cd;
}
static int rk29sdk_wifi_mmc0_status_register(void (*callback)(int card_present, void *dev_id), void *dev_id)
{
if(wifi_mmc0_status_cb)
return -EAGAIN;
wifi_mmc0_status_cb = callback;
wifi_mmc0_status_cb_devid = dev_id;
return 0;
}
#else
static int rk29sdk_wifi_status(struct device *dev)
{
return rk29sdk_wifi_cd;
@@ -335,6 +360,7 @@ static int rk29sdk_wifi_status_register(void (*callback)(int card_present, void
wifi_status_cb_devid = dev_id;
return 0;
}
#endif
static int __init rk29sdk_wifi_bt_gpio_control_init(void)
{
@@ -498,6 +524,19 @@ static int rk29sdk_wifi_reset(int on)
return 0;
}
#if defined(CONFIG_USE_SDMMC0_FOR_WIFI_DEVELOP_BOARD)
int rk29sdk_wifi_set_carddetect(int val)
{
printk("%s:%d\n", __func__, val);
rk29sdk_wifi_mmc0_cd = val;
if (wifi_mmc0_status_cb){
wifi_mmc0_status_cb(val, wifi_mmc0_status_cb_devid);
}else {
pr_warning("%s,in mmc0 nobody to notify\n", __func__);
}
return 0;
}
#else
int rk29sdk_wifi_set_carddetect(int val)
{
pr_info("%s:%d\n", __func__, val);
@@ -509,6 +548,7 @@ int rk29sdk_wifi_set_carddetect(int val)
}
return 0;
}
#endif
EXPORT_SYMBOL(rk29sdk_wifi_set_carddetect);
#include <linux/etherdevice.h>

14
drivers/mmc/host/Kconfig
View File

@@ -49,13 +49,13 @@ if SDMMC_RK29
If you say No, then detect the card by register interrupt.
# config USE_SDMMC0_FOR_WIFI_DEVELOP_BOARD
# depends on SDMMC0_RK29
# bool "Switch the driver SDMMC0 for the debug of wifi_develop_board."
# default n
# help
# In order to debug the Wifi development board using SD interface,
# we can switch the driver SDMMC0.
config USE_SDMMC0_FOR_WIFI_DEVELOP_BOARD
depends on SDMMC0_RK29
bool "Switch the driver SDMMC0 for the debug of wifi_develop_board."
default n
help
In order to debug the Wifi development board using SD interface,
we can switch the driver SDMMC0.
config SDMMC1_RK29