static int mshci_hi_start_signal_voltage_switch(struct mshci_host *ms_host,
struct mmc_ios *ios)
{
#if 1
struct himci_host *hi_host = (struct himci_host *)(ms_host->private);
if (ms_host->quirks & MSHCI_QUIRK_EXTERNAL_CARD_DETECTION) {
hi_host_trace(HIMCI_TRACE_SIGNIFICANT, "++");
himci_assert(ios);
himci_assert(hi_host);
hi_host_trace(HIMCI_TRACE_SIGNIFICANT, "old_sig_voltage = %d ",
hi_host->old_sig_voltage);
hi_host_trace(HIMCI_TRACE_SIGNIFICANT, "new_sig_voltage = %d ",
ios->signal_voltage);
hi_host_trace(HIMCI_TRACE_SIGNIFICANT, "allow_switch_signal_voltage = %d ",
hi_host->allow_switch_signal_voltage);
if (hi_host->allow_switch_signal_voltage &&
(hi_host->old_sig_voltage != ios->signal_voltage)) {
switch (ios->signal_voltage) {
case MMC_SIGNAL_VOLTAGE_330:
#ifdef CONFIG_MACH_HI6620OEM
printk("yuandan 330 \n");
hi_host->old_sig_voltage = ios->signal_voltage;
/*
3.3V IO 设置
LDO7 2.85V
LDO22 1.425V
*/
if(ms_host->quirks & MSHCI_QUIRK_EXTERNAL_CARD_DETECTION){
pmussi_reg_write(SOC_SMART_LDO7_REG_ADJ_ADDR(0),SDMMC_3V3_IO_LDO7_SSI_VALUE);
pmussi_reg_write(SOC_SMART_ENABLE4_ADDR(0),BIT(SOC_SMART_ENABLE4_en_ldo22_int_START));
}
sd_ldo22_need_control = 0;
#endif
break;
case MMC_SIGNAL_VOLTAGE_180:
#ifdef CONFIG_MACH_HI6620OEM
printk("yuandan 180 \n");
hi_host->old_sig_voltage = ios->signal_voltage;
/*
1.8V IO 设置
LDO7 1.8V
LDO22 0V
*/
if(ms_host->quirks & MSHCI_QUIRK_EXTERNAL_CARD_DETECTION){
pmussi_reg_write(SOC_SMART_LDO7_REG_ADJ_ADDR(0),SDMMC_1V8_IO_LDO7_SSI_VALUE);
udelay(30);
pmussi_reg_write(SOC_SMART_DR1_ISET_ADDR(0), SDMMC_DR1_ISET_SSI_VALUE);/* DR1 current control */
pmussi_reg_write(SOC_SMART_DR2_ISET_ADDR(0), SDMMC_DR2_ISET_SSI_VALUE);/* DR2 current control */
pmussi_reg_write(SOC_SMART_DR_BRE_CTRL_ADDR(0), SDMMC_DR_CONTROL_SSI_VALUE);/* Turn on DR1 DR2 */
pmussi_reg_write(SOC_SMART_DISABLE4_ADDR(0),BIT(SOC_SMART_DISABLE4_dis_ldo22_int_START));
}
sd_ldo22_need_control = 1;
#endif
break;
case MMC_SIGNAL_VOLTAGE_120:
/* FIXME */
/* 1.20v is not support */
himci_error("1.20V is not supported");
break;
default:
himci_error("unknown signal voltage");
break;
}
}
hi_host_trace(HIMCI_TRACE_SIGNIFICANT, "--");
}
#endif
return 0;
}
SOC_SMART_DISABLE2_LDO1_8_dis_ldo7_int_START,
(SOC_SMART_DISABLE2_LDO1_8_dis_ldo7_int_END-SOC_SMART_DISABLE2_LDO1_8_dis_ldo7_int_START+1),
},
{
SOC_SMART_ONOFF_STATUS2_LDO1_8_ADDR(0),
SOC_SMART_ONOFF_STATUS2_LDO1_8_st_ldo7_int_START,
(SOC_SMART_ONOFF_STATUS2_LDO1_8_st_ldo7_int_END-SOC_SMART_ONOFF_STATUS2_LDO1_8_st_ldo7_int_START+1),
},
},
PMU_SWITCH_ON,/*bat switch init state*/
},
{
ldo7_set,
sizeof(ldo7_set)/sizeof(BSP_U32),
{
SOC_SMART_LDO7_REG_ADJ_ADDR(0),
SOC_SMART_LDO7_REG_ADJ_vset_ldo7_START,
(SOC_SMART_LDO7_REG_ADJ_vset_ldo7_END-SOC_SMART_LDO7_REG_ADJ_vset_ldo7_START+1),
},
},
},
{
LDO8_ID,
LDO8_NAME,
{
{
{
SOC_SMART_ENABLE2_LDO1_8_ADDR(0),
SOC_SMART_ENABLE2_LDO1_8_en_ldo8_int_START,
(SOC_SMART_ENABLE2_LDO1_8_en_ldo8_int_END-SOC_SMART_ENABLE2_LDO1_8_en_ldo8_int_START+1),
/*NOT called by VIA*/
static void mshci_sd_power_onoff(struct mshci_host *ms_host,int ispowerup)
{
struct himci_host * hi_host = (struct himci_host *)(ms_host->private);
int ret = 0;
if (sd_ldo22_need_control){/* during power-on or power-off,need to restore sd io if necessary */
pmussi_reg_write(SOC_SMART_ENABLE4_ADDR(0),BIT(SOC_SMART_ENABLE4_en_ldo22_int_START));
udelay(30);
pmussi_reg_write(SOC_SMART_LDO7_REG_ADJ_ADDR(0),SDMMC_3V3_IO_LDO7_SSI_VALUE);
sd_ldo22_need_control = 0;
}
if (ispowerup){
udelay(30);
if (hi_host->signal_vcc){
ret = regulator_enable(hi_host->signal_vcc);
if (ret) {
himci_error("failed to regulator_enable");
}
}
udelay(30);
if (hi_host->vcc_lvs){
ret = regulator_enable(hi_host->vcc_lvs);
if (ret) {
himci_error("failed to regulator_enable");
}
}
if (hi_host->vcc_ldo) {
ret = regulator_set_voltage(hi_host->vcc_ldo, SDMMC_SDCARD_285, SDMMC_SDCARD_285);
if (ret != 0) {
himci_error("failed to LDO10 regulator_set_voltage 2.85 \n");
}
}
if (hi_host->vcc_ldo){
ret = regulator_enable(hi_host->vcc_ldo);
if (ret) {
himci_error("failed to regulator_enable");
}
}
ret = blockmux_set(hi_host->piomux_block, hi_host->pblock_config, NORMAL);
if (ret) {
himci_error("failed to blockmux_set");
}
}
else{
ret = blockmux_set(hi_host->piomux_block, hi_host->pblock_config, LOWPOWER);
if (ret) {
himci_error("failed to blockmux_set");
}
mshci_sd_lowpower();
if (hi_host->vcc_ldo){
ret = regulator_disable(hi_host->vcc_ldo);
if (ret) {
himci_error("failed to regulator_disable LDO10");
}
}
if (hi_host->vcc_lvs){
ret = regulator_disable(hi_host->vcc_lvs);
if (ret) {
himci_error("failed to regulator_disable LDO7");
}
}
udelay(30);
if (hi_host->signal_vcc){
ret = regulator_disable(hi_host->signal_vcc);
if (ret) {
himci_error("failed to regulator_disable LDO22");
}
}
}
}
