[PATCH v3 5/6] mfd:rtsx: Configure to enter a deeper power-saving mode in S3

From: wei_wang
Date: Tue Aug 20 2013 - 02:22:54 EST


From: Wei WANG <wei_wang@xxxxxxxxxxxxxx>

Set a bit to enable rts5227 and rts5249 to enter a deeper internal
power-saving mode in S3, and recover it after resuming.

Signed-off-by: Wei WANG <wei_wang@xxxxxxxxxxxxxx>
---
drivers/mfd/rtl8411.c | 2 +-
drivers/mfd/rts5209.c | 2 +-
drivers/mfd/rts5227.c | 6 +++++-
drivers/mfd/rts5229.c | 2 +-
drivers/mfd/rts5249.c | 6 +++++-
drivers/mfd/rtsx_pcr.c | 2 +-
include/linux/mfd/rtsx_pci.h | 2 +-
7 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index d183fa0..37367fb 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -86,7 +86,7 @@ static void rtl8411b_fetch_vendor_settings(struct rtsx_pcr *pcr)
map_sd_drive(rtl8411b_reg_to_sd30_drive_sel_3v3(reg));
}

-static void rtl8411_force_power_down(struct rtsx_pcr *pcr)
+static void rtl8411_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
{
rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07);
}
diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c
index 03a15f7..ef6a59f 100644
--- a/drivers/mfd/rts5209.c
+++ b/drivers/mfd/rts5209.c
@@ -59,7 +59,7 @@ static void rts5209_fetch_vendor_settings(struct rtsx_pcr *pcr)
}
}

-static void rts5209_force_power_down(struct rtsx_pcr *pcr)
+static void rts5209_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
{
rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07);
}
diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c
index 724ce4c5..c72abd6 100644
--- a/drivers/mfd/rts5227.c
+++ b/drivers/mfd/rts5227.c
@@ -83,13 +83,16 @@ 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)
+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, PM_CTRL3, 0x10, 0x10);
+
rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
}

@@ -123,6 +126,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
AUTOLOAD_CFG_BASE + 3, 0xB8, 0x88);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);

return rtsx_pci_send_cmd(pcr, 100);
}
diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c
index e8261d7..afb0f24 100644
--- a/drivers/mfd/rts5229.c
+++ b/drivers/mfd/rts5229.c
@@ -56,7 +56,7 @@ static void rts5229_fetch_vendor_settings(struct rtsx_pcr *pcr)
map_sd_drive(rtsx_reg_to_sd30_drive_sel_3v3(reg));
}

-static void rts5229_force_power_down(struct rtsx_pcr *pcr)
+static void rts5229_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
{
rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
}
diff --git a/drivers/mfd/rts5249.c b/drivers/mfd/rts5249.c
index c5e54d7..384b30b 100644
--- a/drivers/mfd/rts5249.c
+++ b/drivers/mfd/rts5249.c
@@ -88,13 +88,16 @@ static void rts5249_fetch_vendor_settings(struct rtsx_pcr *pcr)
pcr->flags |= PCR_REVERSE_SOCKET;
}

-static void rts5249_force_power_down(struct rtsx_pcr *pcr)
+static void rts5249_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, PM_CTRL3, 0x10, 0x10);
+
rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
}

@@ -119,6 +122,7 @@ static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
AUTOLOAD_CFG_BASE + 3, 0xB0, 0x80);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);

return rtsx_pci_send_cmd(pcr, 100);
}
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index ffd393c..29932a0 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -939,7 +939,7 @@ static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
rtsx_pci_write_register(pcr, HOST_SLEEP_STATE, 0x03, pm_state);

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

static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 9a16276..dd0bd58 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -779,7 +779,7 @@ struct pcr_ops {
unsigned int (*cd_deglitch)(struct rtsx_pcr *pcr);
int (*conv_clk_and_div_n)(int clk, int dir);
void (*fetch_vendor_settings)(struct rtsx_pcr *pcr);
- void (*force_power_down)(struct rtsx_pcr *pcr);
+ void (*force_power_down)(struct rtsx_pcr *pcr, u8 pm_state);
};

enum PDEV_STAT {PDEV_STAT_IDLE, PDEV_STAT_RUN};
--
1.7.9.5

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