static int bwpm_fm_on( struct device *pdev , int on )
{
bwpm_data_t *p_sts;
if ( pdev == NULL ){
disp_err( "device not found\n" );
return( -1 );
}
p_sts = (bwpm_data_t *)dev_get_drvdata(pdev);
if ( p_sts == NULL ){
disp_err( "driver infomation not found\n" );
return -1;
}
if ( p_sts->fm == on ){
disp_dbg( "%s: no need to change status (%d->%d)\n" , __func__, p_sts->fm , on );
return 0;
}
if ( on ){
#if 0 /* 2010/08/20 GPIO 6mA Support*/
/* Turn ON RF/WLAN_IO-3.0V */
if( ( p_sts->wifi <= 0 ) && ( p_sts->bluetooth <= 0 ) ){
gpio_set_value( BWPM_PORT_RF_LNA_EN, 1 ); /* WLAN_VDD_PA_LNA_EN */
disp_dbg( "%s: RF ON\n" , __func__);
/* BC7 is always turned on */
}
#endif
if( p_sts->bluetooth <= 0 ){
pmic_lp_mode_control( OFF_CMD, BWPM_LP_BT_PMIC_ID ); /* Normal power mode */
disp_dbg( "%s: Normal-Power-mode\n" , __func__);
}
} else {
if( p_sts->bluetooth <= 0 ){
pmic_lp_mode_control( ON_CMD, BWPM_LP_BT_PMIC_ID ); /* Low power mode */
disp_dbg( "%s: Low-Power-mode\n" , __func__);
}
#if 0 /* 2010/08/20 GPIO 6mA Support*/
if( ( p_sts->wifi <= 0 ) && ( p_sts->bluetooth <= 0 ) ){
/* BC7 is always turned on */
gpio_set_value( BWPM_PORT_RF_LNA_EN, 0 ); /* WLAN_VDD_PA_LNA_EN */
disp_dbg( "%s: RF OFF\n" , __func__);
}
#endif
}
if ( p_sts->fm < 0 ){
disp_inf( "fm power on reset\n" );
} else {
disp_dbg( "%s: change status (%d->%d)\n" , __func__, p_sts->fm , on );
}
p_sts->fm = on;
return( 0 );
}
/* Customize for Bluetooth Power OFF sequence */
static int bwpm_power_off( struct device *pdev )
{
bwpm_data_t *p_sts;
if ( pdev == NULL ){
disp_err( "device not found\n" );
return -1;
}
p_sts = (bwpm_data_t *)dev_get_drvdata(pdev);
if ( p_sts == NULL ){
disp_err( "driver infomation not found\n" );
return -1;
}
pmic_lp_mode_control( ON_CMD, BWPM_LP_BT_PMIC_ID ); /* Low power mode */
gpio_set_value( BWPM_PORT_RF_LNA_EN, 0 ); /* WLAN_VDD_PA_LNA_EN */
#ifdef SUPPORT_UARTSEL
gpio_set_value( BWPM_PORT_BT_UARTSEL, 0 );
#endif
gpio_set_value( BWPM_PORT_BT_RESET_N, 1 ); /* Bluetooth Reset */
gpio_set_value( BWPM_PORT_BT_RESET_N, 0 );
msleep(10); /* wait for 10msec */
vreg_disable( p_sts->vreg_bt ); /* Turn OFF BT-3.3V */
return 0;
}
/*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Local
*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
static int bwpm_reset( struct device *pdev )
{
bwpm_data_t *p_sts;
int ret;
if ( pdev == NULL ){
disp_err( "device not found\n" );
return -1;
}
p_sts = (bwpm_data_t *)dev_get_drvdata(pdev);
if ( p_sts == NULL ){
disp_err( "driver infomation not found\n" );
return -1;
}
gpio_set_value( BWPM_PORT_BT_RESET_N, 0 );
/* BC7 is always turned on */
ret = vreg_enable( p_sts->vreg_bt ); /* Turn ON BT-3.3V */
msleep(10); /* wait for 10msec */
gpio_set_value( BWPM_PORT_BT_RESET_N, 1 ); /* SYSRST */
/* WLAN OFF */
gpio_set_value( BWPM_PORT_WL_RESET_N, 0 ); /* WLAN_RST */
// gpio_set_value( BWPM_PORT_WL_1P8V_EN, 0 ); /* WLAN_VREG_EN */
msleep(1); /* over 200 micro seconds */
/* RF OFF -Low power mode- */
pmic_lp_mode_control( ON_CMD, BWPM_LP_BT_PMIC_ID ); /* Low power mode */
gpio_set_value( BWPM_PORT_RF_LNA_EN, 0 ); /* WLAN_VDD_PA_LNA_EN */
#ifdef SUPPORT_UARTSEL
gpio_set_value( BWPM_PORT_BT_UARTSEL, 1 );
#endif
/* init status */
p_sts->fm = 0;
p_sts->bluetooth = 0;
p_sts->wifi = 0;
/* [Sharp] ShDiag WiFi High Speed Support Start */
p_sts->wifi_shdiag_stat = 0; /* WiFi Stat Flag Init */
/* [Sharp] ShDiag WiFi High Speed Support End */
return 0;
}
static int debug_lp_mode_control(char *buf, int size)
{
enum switch_cmd cmd;
enum vreg_lp_id id;
int cnt;
cnt = sscanf(buf, "%u %u", &cmd, &id);
if (cnt < 2) {
printk(KERN_ERR "%s: sscanf failed cnt=%d", __func__, cnt);
return -EINVAL;
}
if (pmic_lp_mode_control(cmd, id) < 0)
return -EFAULT;
return size;
}
/*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Local
*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
static int bwpm_reset( struct device *pdev )
{
bwpm_data_t *p_sts;
int ret;
if ( pdev == NULL ){
disp_err( "device not found\n" );
return -1;
}
p_sts = (bwpm_data_t *)dev_get_drvdata(pdev);
if ( p_sts == NULL ){
disp_err( "driver infomation not found\n" );
return -1;
}
gpio_set_value( BWPM_PORT_BT_RESET_N, 0 );
/* BC7 is always turned on */
ret = vreg_enable( p_sts->vreg_bt ); /* Turn ON BT-3.3V */
msleep(10); /* wait for 10msec */
gpio_set_value( BWPM_PORT_BT_RESET_N, 1 ); /* SYSRST */
/* WLAN OFF */
gpio_set_value( BWPM_PORT_WL_RESET_N, 0 ); /* WLAN_RST */
tps65023_dcdc3_control(SH_PM_DCDC3_OFF, SH_WLAN_USER);
gpio_set_value( BWPM_PORT_WL_1P8V_EN, 0 ); /* WLAN_VREG_EN */
msleep(1); /* over 200 micro seconds */
/* RF OFF -Low power mode- */
pmic_lp_mode_control( ON_CMD, PM_VREG_LP_GP6_ID ); /* Low power mode */
gpio_set_value( BWPM_PORT_RF_LNA_EN, 0 ); /* WLAN_VDD_PA_LNA_EN */
// gpio_set_value( BWPM_PORT_BT_UARTSEL, 1 );
/* init status */
p_sts->fm = 0;
p_sts->bluetooth = 0;
p_sts->wifi = 0;
return 0;
}