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path: root/drivers/misc/cardreader/rts5227.c
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Diffstat (limited to 'drivers/misc/cardreader/rts5227.c')
-rw-r--r--drivers/misc/cardreader/rts5227.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index 4bcfbc9afbac..d676cf63a966 100644
--- a/drivers/misc/cardreader/rts5227.c
+++ b/drivers/misc/cardreader/rts5227.c
@@ -72,6 +72,8 @@ static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr)
pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+ if (CHK_PCI_PID(pcr, 0x522A))
+ pcr->rtd3_en = rtsx_reg_to_rtd3(reg);
if (rtsx_check_mmc_support(reg))
pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
@@ -171,6 +173,28 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x00);
+ if (CHK_PCI_PID(pcr, 0x522A))
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_AUTOLOAD_CFG1,
+ CD_RESUME_EN_MASK, CD_RESUME_EN_MASK);
+
+ if (pcr->rtd3_en) {
+ if (CHK_PCI_PID(pcr, 0x522A)) {
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PM_CTRL3, 0x01, 0x01);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PME_FORCE_CTL, 0x30, 0x30);
+ } else {
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x01, 0x01);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PME_FORCE_CTL, 0xFF, 0x33);
+ }
+ } else {
+ if (CHK_PCI_PID(pcr, 0x522A)) {
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PM_CTRL3, 0x01, 0x00);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PME_FORCE_CTL, 0x30, 0x20);
+ } else {
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PME_FORCE_CTL, 0xFF, 0x30);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x01, 0x00);
+ }
+ }
+
if (option->force_clkreq_0)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
@@ -438,6 +462,28 @@ static int rts522a_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
return rtsx_pci_send_cmd(pcr, 100);
}
+static void rts522a_force_power_down(struct rtsx_pcr *pcr, u8 pm_state, bool runtime)
+{
+ /* Set relink_time to 0 */
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
+ RELINK_TIME_MASK, 0);
+
+ rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3,
+ D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+
+ if (!runtime) {
+ rtsx_pci_write_register(pcr, RTS522A_AUTOLOAD_CFG1,
+ CD_RESUME_EN_MASK, 0);
+ rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3, 0x01, 0x00);
+ rtsx_pci_write_register(pcr, RTS522A_PME_FORCE_CTL, 0x30, 0x20);
+ }
+
+ rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
+}
+
+
static void rts522a_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
{
struct rtsx_cr_option *option = &pcr->option;
@@ -473,6 +519,7 @@ static const struct pcr_ops rts522a_pcr_ops = {
.card_power_on = rts5227_card_power_on,
.card_power_off = rts5227_card_power_off,
.switch_output_voltage = rts522a_switch_output_voltage,
+ .force_power_down = rts522a_force_power_down,
.cd_deglitch = NULL,
.conv_clk_and_div_n = NULL,
.set_l1off_cfg_sub_d0 = rts522a_set_l1off_cfg_sub_d0,