platform: msm_shared: Add ufs support.
Change-Id: Ibadbfa7b50ace214217336e741d8972e4a6c392e
diff --git a/platform/msm_shared/include/utp.h b/platform/msm_shared/include/utp.h
new file mode 100644
index 0000000..4d70f16
--- /dev/null
+++ b/platform/msm_shared/include/utp.h
@@ -0,0 +1,149 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) 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 OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _UTP_H_
+#define _UTP_H_
+
+#include <ufs_hci.h>
+#include <upiu.h>
+#include <ucs.h>
+#include <dme.h>
+
+/* UPIU general header length without the extra segments. */
+#define UPIU_HDR_LEN 0x20
+
+#define UTP_MAX_PRD_DATA_BYTE_CNT 0x40000
+#define UTP_MAX_PRD_DATA_BYTE_CNT_BYTE_SHIFT 18
+#define UTP_MAX_PRD_TABLE_ENTRIES 1024
+
+#define UTP_CMD_DESC_BASE_ALIGNMENT_SIZE 128
+#define UTP_REQ_BUILD_CMD_DD_IRQ_FIELD(cmd, dd, irq) ((cmd << 4) | (dd << 1) | irq)
+
+#define UTP_MUTEX_ACQUIRE_TIMEOUT 0x100000
+
+#define UTP_GENERIC_CMD_TIMEOUT 10000
+
+struct utp_prdt_entry
+{
+ uint32_t data_base_addr;
+ uint32_t data_upper_addr;
+ uint8_t resv_0[4];
+ uint32_t data_byte_cnt;
+}__PACKED;
+
+struct utp_trans_req_desc
+{
+ uint8_t resv_0[3];
+ uint8_t cmd_type_dd_irq;
+ uint8_t resv_1[4];
+ uint8_t overall_cmd_status;
+ uint8_t resv_2[7];
+ uint8_t cmd_desc_base_addr[4];
+ uint8_t cmd_desc_base_addr_upper[4];
+ uint16_t resp_upiu_len;
+ uint16_t resp_upiu_offset;
+ uint16_t prdt_len;
+ uint16_t prdt_offset;
+}__PACKED;
+
+enum utp_utrd_irq_type
+{
+ UTRD_REGULAR_CMD = 0,
+ UTRD_IRQ_CMD = 1,
+};
+
+enum utp_utrd_overall_status_type
+{
+ UTRD_OCS_SUCCESS = 0x0,
+ UTRD_OCS_INVALID_COM_TABLE_ATTR = 0x1,
+ UTRD_OCS_INVALID_PRDT_ATTR = 0x2,
+ UTRD_OCS_MISMATCH_DATA_BUFFER_SIZE = 0x3,
+ UTRD_OCS_MISMATCH_RESPONSE_UPIU_SIZE = 0x4,
+ UTRD_OCS_COMMUNICATION_FAILURE = 0x5,
+ UTRD_OCS_ABORTED = 0x6,
+ UTRD_OCS_INVALID_OCS_VALUE = 0xf,
+};
+
+struct utp_utrd_req_build_type
+{
+ struct upiu_basic_hdr *req_upiu;
+ uint32_t req_upiu_len;
+ uint32_t resp_upiu_len;
+ enum upiu_cmd_type cmd_type;
+ enum upiu_dd_type dd;
+ enum utp_utrd_irq_type irq;
+ enum utp_utrd_overall_status_type ocs;
+ uint32_t prdt_offset;
+ uint32_t prdt_len;
+ uint32_t timeout;
+};
+
+struct utp_task_mgmt_req_desc
+{
+ uint8_t resv_0[3];
+ uint8_t irq;
+ uint8_t resv_1[4];
+ uint8_t overall_cmd_status;
+ uint8_t resv_2[7];
+}__PACKED;
+
+enum utp_utmrd_irq_type
+{
+ NO_IRQ = 0,
+ ENABLE_IRQ = 1,
+};
+
+enum utp_utmrd_overall_status_type
+{
+ UTMRD_OCS_SUCCESS = 0x0,
+ UTMRD_OCS_TASK_MGMT_FUNC_ATTR = 0x1,
+ UTMRD_OCS_MISMATCH_TASK_MGMT_REQ_SIZE = 0x2,
+ UTMRD_OCS_MISMATCH_TASK_MGMT_RES_SIZE = 0x3,
+ UTMRD_OCS_PEER_COMM_FAILURE = 0x4,
+ UTMRD_OCS_ABORTED = 0x5,
+ UTMRD_OCS_FATAL_ERR = 0x6,
+};
+
+struct utrd_cmd_desc
+{
+ struct upiu_gen_hdr *req_upiu;
+ uint32_t resp_upiu_len;
+ uint32_t num_prdt;
+};
+
+struct utp_bitmap_access_type
+{
+ uint32_t *bitmap;
+ uint32_t door_bell_bit;
+ mutex_t *mutx;
+};
+
+int utp_enqueue_upiu(struct ufs_dev *dev, struct upiu_req_build_type *upiu_data);
+void utp_process_req_completion(struct ufs_req_irq_type *irq);
+
+#endif