From: Can Guo <cang@codeaurora.org>
To: asutoshd@codeaurora.org, nguyenb@codeaurora.org,
hongwus@codeaurora.org, rnayak@codeaurora.org,
linux-scsi@vger.kernel.org, kernel-team@android.com,
saravanak@google.com, salyzyn@google.com, cang@codeaurora.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Bean Huo <beanhuo@micron.com>,
Stanley Chu <stanley.chu@mediatek.com>,
Bart Van Assche <bvanassche@acm.org>,
Venkat Gopalakrishnan <venkatg@codeaurora.org>,
Tomas Winkler <tomas.winkler@intel.com>,
Pedro Sousa <sousa@synopsys.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 8/8] scsi: ufs: Select INITIAL adapt for HS Gear4
Date: Wed, 5 Feb 2020 22:56:51 -0800 [thread overview]
Message-ID: <1580972212-29881-9-git-send-email-cang@codeaurora.org> (raw)
In-Reply-To: <1580972212-29881-1-git-send-email-cang@codeaurora.org>
ADAPT is added specifically for HS Gear4 mode only, select INITIAL adapt
before do power mode change to G4 and select no adapt before switch to
non-G4 modes.
Signed-off-by: Can Guo <cang@codeaurora.org>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 76beaf9..1fe0a97 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4069,6 +4069,17 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HSSERIES),
pwr_mode->hs_rate);
+ if (hba->ufs_version >= UFSHCI_VERSION_30) {
+ if (pwr_mode->gear_tx == UFS_HS_G4)
+ /* INITIAL ADAPT */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXHSADAPTTYPE),
+ PA_INITIAL_ADAPT);
+ else
+ /* NO ADAPT */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXHSADAPTTYPE),
+ PA_NO_ADAPT);
+ }
+
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0),
DL_FC0ProtectionTimeOutVal_Default);
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1),
@@ -8447,7 +8458,8 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
if ((hba->ufs_version != UFSHCI_VERSION_10) &&
(hba->ufs_version != UFSHCI_VERSION_11) &&
(hba->ufs_version != UFSHCI_VERSION_20) &&
- (hba->ufs_version != UFSHCI_VERSION_21))
+ (hba->ufs_version != UFSHCI_VERSION_21) &&
+ (hba->ufs_version != UFSHCI_VERSION_30))
dev_err(hba->dev, "invalid UFS version 0x%x\n",
hba->ufs_version);
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index c2961d3..f2ee816 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -104,6 +104,7 @@ enum {
UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
+ UFSHCI_VERSION_30 = 0x00000300, /* 3.0 */
};
/*
diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h
index 3dc4d8b..5a724b2 100644
--- a/drivers/scsi/ufs/unipro.h
+++ b/drivers/scsi/ufs/unipro.h
@@ -146,6 +146,12 @@
#define PA_SLEEPNOCONFIGTIME 0x15A2
#define PA_STALLNOCONFIGTIME 0x15A3
#define PA_SAVECONFIGTIME 0x15A4
+#define PA_TXHSADAPTTYPE 0x15D4
+
+/* Adpat type for PA_TXHSADAPTTYPE attribute */
+#define PA_REFRESH_ADAPT 0x00
+#define PA_INITIAL_ADAPT 0x01
+#define PA_NO_ADAPT 0x03
#define PA_TACTIVATE_TIME_UNIT_US 10
#define PA_HIBERN8_TIME_UNIT_US 100
@@ -203,6 +209,7 @@ enum ufs_hs_gear_tag {
UFS_HS_G1, /* HS Gear 1 (default for reset) */
UFS_HS_G2, /* HS Gear 2 */
UFS_HS_G3, /* HS Gear 3 */
+ UFS_HS_G4, /* HS Gear 4 */
};
enum ufs_unipro_ver {
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
prev parent reply other threads:[~2020-02-06 6:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-06 6:56 [PATCH v6 0/8] UFS driver general fixes bundle 4 Can Guo
2020-02-06 6:56 ` [PATCH 1/8] scsi: ufs: Flush exception event before suspend Can Guo
2020-02-06 6:56 ` [PATCH 2/8] scsi: ufs: set load before setting voltage in regulators Can Guo
2020-02-06 6:56 ` Can Guo
2020-02-06 6:56 ` Can Guo
2020-02-06 6:56 ` [PATCH 3/8] scsi: ufs: Remove the check before call setup clock notify vops Can Guo
2020-02-06 6:56 ` Can Guo
2020-02-06 6:56 ` Can Guo
2020-02-06 6:56 ` [PATCH 4/8] scsi: ufs-qcom: Adjust bus bandwidth voting and unvoting Can Guo
2020-02-06 6:56 ` [PATCH 5/8] scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic Can Guo
2020-02-06 6:56 ` Can Guo
2020-02-06 6:56 ` Can Guo
2020-02-06 6:56 ` [PATCH 6/8] scsi: ufs: Add dev ref clock gating wait time support Can Guo
2020-02-06 7:30 ` Stanley Chu
2020-02-06 7:47 ` Can Guo
2020-02-06 7:57 ` Avri Altman
2020-02-06 8:09 ` Can Guo
2020-02-06 6:56 ` [PATCH 7/8] scsi: ufs-qcom: Delay specific time before gate ref clk Can Guo
2020-02-06 6:56 ` Can Guo [this message]
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