[PATCH v4 1/2] misc: rtsx: Fix power down flow

ricky_wu
2020-09-04T09:42:48Z

From: Ricky Wu <ricky_wu@realtek.com>

Fix and sort out rtsx driver power down flow

Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
---
drivers/misc/cardreader/rts5227.c | 15 ---------------
drivers/misc/cardreader/rts5228.c | 5 ++---
drivers/misc/cardreader/rts5249.c | 17 -----------------
drivers/misc/cardreader/rts5260.c | 16 ----------------
drivers/misc/cardreader/rtsx_pcr.c | 16 ++++++++++++++++
5 files changed, 18 insertions(+), 51 deletions(-)

diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index f5f392ddf3d6..747391e3fb5d 100644
--- a/drivers/misc/cardreader/rts5227.c
+++ b/drivers/misc/cardreader/rts5227.c
@@ -77,19 +77,6 @@ static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr)
pcr->flags |= PCR_REVERSE_SOCKET;
}

-static void rts5227_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
-{
- /* Set relink_time to 0 */
- rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0);
- rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0);
- rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
-
- if (pm_state == HOST_ENTER_S3)
- rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x10);
-
- rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
-}
-
static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
{
u16 cap;
@@ -239,7 +226,6 @@ static const struct pcr_ops rts5227_pcr_ops = {
.switch_output_voltage = rts5227_switch_output_voltage,
.cd_deglitch = NULL,
.conv_clk_and_div_n = NULL,
- .force_power_down = rts5227_force_power_down,
};

/* SD Pull Control Enable:
@@ -389,7 +375,6 @@ static const struct pcr_ops rts522a_pcr_ops = {
.switch_output_voltage = rts522a_switch_output_voltage,
.cd_deglitch = NULL,
.conv_clk_and_div_n = NULL,
- .force_power_down = rts5227_force_power_down,
};

void rts522a_init_params(struct rtsx_pcr *pcr)
diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c
index 28feab1449ab..781a86def59a 100644
--- a/drivers/misc/cardreader/rts5228.c
+++ b/drivers/misc/cardreader/rts5228.c
@@ -99,9 +99,8 @@ static void rts5228_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
RELINK_TIME_MASK, 0);

- if (pm_state == HOST_ENTER_S3)
- rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
- D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+ rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
+ D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);

rtsx_pci_write_register(pcr, FPDCTL,
SSC_POWER_DOWN, SSC_POWER_DOWN);
diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c
index 941b3d77f1e9..719aa2d61919 100644
--- a/drivers/misc/cardreader/rts5249.c
+++ b/drivers/misc/cardreader/rts5249.c
@@ -78,20 +78,6 @@ static void rtsx_base_fetch_vendor_settings(struct rtsx_pcr *pcr)
pcr->flags |= PCR_REVERSE_SOCKET;
}

-static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
-{
- /* Set relink_time to 0 */
- rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0);
- rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0);
- rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
-
- if (pm_state == HOST_ENTER_S3)
- rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
- D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
-
- rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
-}
-
static void rts5249_init_from_cfg(struct rtsx_pcr *pcr)
{
struct pci_dev *pdev = pcr->pci;
@@ -360,7 +346,6 @@ static const struct pcr_ops rts5249_pcr_ops = {
.card_power_on = rtsx_base_card_power_on,
.card_power_off = rtsx_base_card_power_off,
.switch_output_voltage = rtsx_base_switch_output_voltage,
- .force_power_down = rtsx_base_force_power_down,
};

/* SD Pull Control Enable:
@@ -585,7 +570,6 @@ static const struct pcr_ops rts524a_pcr_ops = {
.card_power_on = rtsx_base_card_power_on,
.card_power_off = rtsx_base_card_power_off,
.switch_output_voltage = rtsx_base_switch_output_voltage,
- .force_power_down = rtsx_base_force_power_down,
.set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0,
};

@@ -700,7 +684,6 @@ static const struct pcr_ops rts525a_pcr_ops = {
.card_power_on = rts525a_card_power_on,
.card_power_off = rtsx_base_card_power_off,
.switch_output_voltage = rts525a_switch_output_voltage,
- .force_power_down = rtsx_base_force_power_down,
.set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0,
};

diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c
index b9f66b1384a6..897cfee350e7 100644
--- a/drivers/misc/cardreader/rts5260.c
+++ b/drivers/misc/cardreader/rts5260.c
@@ -87,21 +87,6 @@ static void rtsx_base_fetch_vendor_settings(struct rtsx_pcr *pcr)
pcr->flags |= PCR_REVERSE_SOCKET;
}

-static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
-{
- /* 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);
-
- if (pm_state == HOST_ENTER_S3)
- rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
- D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
-
- rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
-}
-
static int rtsx_base_enable_auto_blink(struct rtsx_pcr *pcr)
{
return rtsx_pci_write_register(pcr, OLT_LED_CTL,
@@ -620,7 +605,6 @@ static const struct pcr_ops rts5260_pcr_ops = {
.card_power_on = rts5260_card_power_on,
.card_power_off = rts5260_card_power_off,
.switch_output_voltage = rts5260_switch_output_voltage,
- .force_power_down = rtsx_base_force_power_down,
.stop_cmd = rts5260_stop_cmd,
.set_l1off_cfg_sub_d0 = rts5260_set_l1off_cfg_sub_d0,
.enable_ocp = rts5260_enable_ocp,
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 37ccc67f4914..3f84b898bd9c 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1096,6 +1096,20 @@ static void rtsx_pci_idle_work(struct work_struct *work)
mutex_unlock(&pcr->pcr_mutex);
}

+static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
+{
+ /* 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, pcr->reg_pm_ctrl3,
+ D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+
+ rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
+}
+
static void __maybe_unused rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
{
if (pcr->ops->turn_off_led)
@@ -1109,6 +1123,8 @@ static void __maybe_unused rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)

if (pcr->ops->force_power_down)
pcr->ops->force_power_down(pcr, pm_state);
+ else
+ rtsx_base_force_power_down(pcr, pm_state);
}

void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr)
--
2.17.1