| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <fddad89c1f95f7f0cf872d2850c59277ef870268.1373953200.git.wei_wang@realsil.com.cn>
Date: Wed, 17 Jul 2013 16:09:55 +0800
From: <wei_wang@...lsil.com.cn>
To: <sameo@...ux.intel.com>
CC: <devel@...uxdriverproject.org>, <linux-kernel@...r.kernel.org>,
<gregkh@...uxfoundation.org>, <rogerable@...ltek.com>,
Wei WANG <wei_wang@...lsil.com.cn>
Subject: [PATCH v2 5/5] mfd:rtsx: Configure to enter a deeper power-saving mode in S3
From: Wei WANG <wei_wang@...lsil.com.cn>
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@...lsil.com.cn>
---
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 | 5 ++---
7 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index 2bff119..bfe65f6 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -86,7 +86,7 @@ static void rtl8411b_init_settings(struct rtsx_pcr *pcr)
}
}
-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 e2ee30e..a5261f9 100644
--- a/drivers/mfd/rts5209.c
+++ b/drivers/mfd/rts5209.c
@@ -58,7 +58,7 @@ static void rts5209_init_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 c931018..4c7309c 100644
--- a/drivers/mfd/rts5227.c
+++ b/drivers/mfd/rts5227.c
@@ -82,13 +82,16 @@ static void rts5227_init_settings(struct rtsx_pcr *pcr)
}
}
-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);
}
@@ -122,6 +125,7 @@ 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 a91462d..e8e34de 100644
--- a/drivers/mfd/rts5229.c
+++ b/drivers/mfd/rts5229.c
@@ -55,7 +55,7 @@ static void rts5229_init_settings(struct rtsx_pcr *pcr)
}
}
-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 f18bb27..205344d 100644
--- a/drivers/mfd/rts5249.c
+++ b/drivers/mfd/rts5249.c
@@ -89,13 +89,16 @@ static void rts5249_init_settings(struct rtsx_pcr *pcr)
}
}
-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);
}
@@ -120,6 +123,7 @@ 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 13e1c24..1d7cc2e 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -938,7 +938,7 @@ 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 9763859..8deabc8 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -24,8 +24,7 @@
#include <linux/sched.h>
#include <linux/pci.h>
-
-#include "rtsx_common.h"
+#include <linux/mfd/rtsx_common.h>
#define MAX_RW_REG_CNT 1024
@@ -764,7 +763,7 @@ struct pcr_ops {
unsigned int (*cd_deglitch)(struct rtsx_pcr *pcr);
int (*conv_clk_and_div_n)(int clk, int dir);
void (*init_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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists