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Diffstat (limited to 'drivers/scsi/ufs/ufshci.h')
-rw-r--r--drivers/scsi/ufs/ufshci.h105
1 files changed, 57 insertions, 48 deletions
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index 6e3510f7116..9abc7e32b43 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -2,45 +2,35 @@
* Universal Flash Storage Host controller driver
*
* This code is based on drivers/scsi/ufs/ufshci.h
- * Copyright (C) 2011-2012 Samsung India Software Operations
+ * Copyright (C) 2011-2013 Samsung India Software Operations
*
- * Santosh Yaraganavi <santosh.sy@samsung.com>
- * Vinayak Holikatti <h.vinayak@samsung.com>
+ * Authors:
+ * Santosh Yaraganavi <santosh.sy@samsung.com>
+ * Vinayak Holikatti <h.vinayak@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
+ * See the COPYING file in the top-level directory or visit
+ * <http://www.gnu.org/licenses/gpl-2.0.html>
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
+ * This program is provided "AS IS" and "WITH ALL FAULTS" and
+ * without warranty of any kind. You are solely responsible for
+ * determining the appropriateness of using and distributing
+ * the program and assume all risks associated with your exercise
+ * of rights with respect to the program, including but not limited
+ * to infringement of third party rights, the risks and costs of
+ * program errors, damage to or loss of data, programs or equipment,
+ * and unavailability or interruption of operations. Under no
+ * circumstances will the contributor of this Program be liable for
+ * any damages of any kind arising from your use or distribution of
+ * this program.
*/
#ifndef _UFSHCI_H
@@ -49,7 +39,7 @@
enum {
TASK_REQ_UPIU_SIZE_DWORDS = 8,
TASK_RSP_UPIU_SIZE_DWORDS = 8,
- ALIGNED_UPIU_SIZE = 128,
+ ALIGNED_UPIU_SIZE = 512,
};
/* UFSHCI Registers */
@@ -134,6 +124,9 @@ enum {
#define CONTROLLER_FATAL_ERROR UFS_BIT(16)
#define SYSTEM_BUS_FATAL_ERROR UFS_BIT(17)
+#define UFSHCD_UIC_MASK (UIC_COMMAND_COMPL |\
+ UIC_POWER_MODE)
+
#define UFSHCD_ERROR_MASK (UIC_ERROR |\
DEVICE_FATAL_ERROR |\
CONTROLLER_FATAL_ERROR |\
@@ -152,6 +145,15 @@ enum {
#define DEVICE_ERROR_INDICATOR UFS_BIT(5)
#define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0x7, 8)
+enum {
+ PWR_OK = 0x0,
+ PWR_LOCAL = 0x01,
+ PWR_REMOTE = 0x02,
+ PWR_BUSY = 0x03,
+ PWR_ERROR_CAP = 0x04,
+ PWR_FATAL_ERROR = 0x05,
+};
+
/* HCE - Host Controller Enable 34h */
#define CONTROLLER_ENABLE UFS_BIT(0)
#define CONTROLLER_DISABLE 0x0
@@ -201,6 +203,12 @@ enum {
#define CONFIG_RESULT_CODE_MASK 0xFF
#define GENERIC_ERROR_CODE_MASK 0xFF
+#define UIC_ARG_MIB_SEL(attr, sel) ((((attr) & 0xFFFF) << 16) |\
+ ((sel) & 0xFFFF))
+#define UIC_ARG_MIB(attr) UIC_ARG_MIB_SEL(attr, 0)
+#define UIC_ARG_ATTR_TYPE(t) (((t) & 0xFF) << 16)
+#define UIC_GET_ATTR_ID(v) (((v) >> 16) & 0xFFFF)
+
/* UIC Commands */
enum {
UIC_CMD_DME_GET = 0x01,
@@ -236,16 +244,17 @@ enum {
#define MASK_UIC_COMMAND_RESULT 0xFF
-#define INT_AGGR_COUNTER_THRESHOLD_VALUE (0x1F << 8)
-#define INT_AGGR_TIMEOUT_VALUE (0x02)
+#define INT_AGGR_COUNTER_THLD_VAL(c) (((c) & 0x1F) << 8)
+#define INT_AGGR_TIMEOUT_VAL(t) (((t) & 0xFF) << 0)
/* Interrupt disable masks */
enum {
/* Interrupt disable mask for UFSHCI v1.0 */
- INTERRUPT_DISABLE_MASK_10 = 0xFFFF,
+ INTERRUPT_MASK_ALL_VER_10 = 0x30FFF,
+ INTERRUPT_MASK_RW_VER_10 = 0x30000,
/* Interrupt disable mask for UFSHCI v1.1 */
- INTERRUPT_DISABLE_MASK_11 = 0x0,
+ INTERRUPT_MASK_ALL_VER_11 = 0x31FFF,
};
/*
@@ -295,10 +304,10 @@ enum {
* @size: size of physical segment DW-3
*/
struct ufshcd_sg_entry {
- u32 base_addr;
- u32 upper_addr;
- u32 reserved;
- u32 size;
+ __le32 base_addr;
+ __le32 upper_addr;
+ __le32 reserved;
+ __le32 size;
};
/**
@@ -321,10 +330,10 @@ struct utp_transfer_cmd_desc {
* @dword3: Descriptor Header DW3
*/
struct request_desc_header {
- u32 dword_0;
- u32 dword_1;
- u32 dword_2;
- u32 dword_3;
+ __le32 dword_0;
+ __le32 dword_1;
+ __le32 dword_2;
+ __le32 dword_3;
};
/**
@@ -343,16 +352,16 @@ struct utp_transfer_req_desc {
struct request_desc_header header;
/* DW 4-5*/
- u32 command_desc_base_addr_lo;
- u32 command_desc_base_addr_hi;
+ __le32 command_desc_base_addr_lo;
+ __le32 command_desc_base_addr_hi;
/* DW 6 */
- u16 response_upiu_length;
- u16 response_upiu_offset;
+ __le16 response_upiu_length;
+ __le16 response_upiu_offset;
/* DW 7 */
- u16 prd_table_length;
- u16 prd_table_offset;
+ __le16 prd_table_length;
+ __le16 prd_table_offset;
};
/**
@@ -367,10 +376,10 @@ struct utp_task_req_desc {
struct request_desc_header header;
/* DW 4-11 */
- u32 task_req_upiu[TASK_REQ_UPIU_SIZE_DWORDS];
+ __le32 task_req_upiu[TASK_REQ_UPIU_SIZE_DWORDS];
/* DW 12-19 */
- u32 task_rsp_upiu[TASK_RSP_UPIU_SIZE_DWORDS];
+ __le32 task_rsp_upiu[TASK_RSP_UPIU_SIZE_DWORDS];
};
#endif /* End of Header */