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rfkill-wlan.c: support rk3368

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This commit is contained in:
hwg 2015-02-12 15:22:38 +08:00
parent 2ed83e814f
commit 6589e9111e
2 changed files with 39 additions and 12 deletions
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1
include/linux/rfkill-wlan.h
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@ -39,6 +39,7 @@ struct rksdmmc_gpio_wifi_moudle {
struct rksdmmc_gpio ANTSEL2; //pin5--ANTSEL2
struct rksdmmc_gpio ANTSEL3; //pin6--ANTSEL3
struct rksdmmc_gpio GPS_LAN; //pin33--GPS_LAN
struct regmap *grf;
};
enum {

50
net/rfkill/rfkill-wlan.c Executable file → Normal file
View File

@ -36,6 +36,10 @@
#include <linux/skbuff.h>
#include <linux/rockchip/cpu.h>
#include <linux/fb.h>
#include <linux/rockchip/grf.h>
#include <linux/rockchip/common.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
#ifdef CONFIG_OF
#include <linux/of.h>
#include <linux/of_device.h>
@ -115,7 +119,7 @@ EXPORT_SYMBOL(get_wifi_chip_type);
*
**********************************************************/
#ifdef CONFIG_RKWIFI
#define BCM_STATIC_MEMORY_SUPPORT 1
#define BCM_STATIC_MEMORY_SUPPORT 0
#else
#define BCM_STATIC_MEMORY_SUPPORT 0
#endif
@ -572,6 +576,7 @@ void *rockchip_wifi_country_code(char *ccode)
EXPORT_SYMBOL(rockchip_wifi_country_code);
/**************************************************************************/
#define RK3368_GRF_IO_VSEL 0x900
static int rockchip_wifi_voltage_select(void)
{
struct rfkill_wlan_data *mrfkill = g_rfkill;
@ -581,17 +586,32 @@ static int rockchip_wifi_voltage_select(void)
LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
return -1;
}
voltage = mrfkill->pdata->sdio_vol;
if (voltage > 2700 && voltage < 3500) {
writel_relaxed(0x00100000, RK_GRF_VIRT+0x380); //3.3
LOG("%s: wifi & sdio reference voltage: 3.3V\n", __func__);
} else if (voltage > 1500 && voltage < 1950) {
writel_relaxed(0x00100010, RK_GRF_VIRT+0x380); //1.8
LOG("%s: wifi & sdio reference voltage: 1.8V\n", __func__);
} else {
LOG("%s: unsupport wifi & sdio reference voltage!\n", __func__);
return -1;
}
if (cpu_is_rk3288()) {
if (voltage > 2700 && voltage < 3500) {
writel_relaxed(0x00100000, RK_GRF_VIRT+0x380); //3.3
LOG("%s: wifi & sdio reference voltage: 3.3V\n", __func__);
} else if (voltage > 1500 && voltage < 1950) {
writel_relaxed(0x00100010, RK_GRF_VIRT+0x380); //1.8
LOG("%s: wifi & sdio reference voltage: 1.8V\n", __func__);
} else {
LOG("%s: unsupport wifi & sdio reference voltage!\n", __func__);
return -1;
}
} else if(cpu_is_rk3036() || cpu_is_rk312x()) {
} else {
if (voltage > 2700 && voltage < 3500) {
regmap_write(mrfkill->pdata->grf, RK3368_GRF_IO_VSEL, ((1<<3)<<16)|(0<<3)); //3.3
LOG("%s: wifi & sdio reference voltage: 3.3V\n", __func__);
} else if (voltage > 1500 && voltage < 1950) {
regmap_write(mrfkill->pdata->grf, RK3368_GRF_IO_VSEL, ((1<<3)<<16)|(1<<3)); //1.8
LOG("%s: wifi & sdio reference voltage: 1.8V\n", __func__);
} else {
LOG("%s: unsupport wifi & sdio reference voltage!\n", __func__);
return -1;
}
}
return 0;
}
@ -626,6 +646,12 @@ static int wlan_platdata_parse_dt(struct device *dev,
memset(data, 0, sizeof(*data));
data->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
if (IS_ERR(data->grf)) {
LOG("can't find rockchip,grf property\n");
return -1;
}
ret = of_property_read_string(node, "wifi_chip_type", &strings);
if (ret) {
LOG("%s: Can not read wifi_chip_type, set default to rkwifi.\n", __func__);
@ -642,7 +668,7 @@ static int wlan_platdata_parse_dt(struct device *dev,
return -1;
}
data->sdio_vol = value;*/
}else{
}else {
ret = of_property_read_u32(node, "sdio_vref", &value);
if (ret < 0) {
LOG("%s: Can't get sdio vref.", __func__);