[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/scsi/sr.h b/src/kernel/linux/v4.14/drivers/scsi/sr.h
new file mode 100644
index 0000000..a2bb7b8
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/scsi/sr.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * sr.h by David Giller
+ * CD-ROM disk driver header file
+ *
+ * adapted from:
+ * sd.h Copyright (C) 1992 Drew Eckhardt
+ * SCSI disk driver header file by
+ * Drew Eckhardt
+ *
+ * <drew@colorado.edu>
+ *
+ * Modified by Eric Youngdale eric@andante.org to
+ * add scatter-gather, multiple outstanding request, and other
+ * enhancements.
+ */
+
+#ifndef _SR_H
+#define _SR_H
+
+#include <linux/genhd.h>
+#include <linux/kref.h>
+
+#define MAX_RETRIES 3
+#define SR_TIMEOUT (30 * HZ)
+
+struct scsi_device;
+
+/* The CDROM is fairly slow, so we need a little extra time */
+/* In fact, it is very slow if it has to spin up first */
+#define IOCTL_TIMEOUT 30*HZ
+
+
+typedef struct scsi_cd {
+ struct scsi_driver *driver;
+ unsigned capacity; /* size in blocks */
+ struct scsi_device *device;
+ unsigned int vendor; /* vendor code, see sr_vendor.c */
+ unsigned long ms_offset; /* for reading multisession-CD's */
+ unsigned writeable : 1;
+ unsigned use:1; /* is this device still supportable */
+ unsigned xa_flag:1; /* CD has XA sectors ? */
+ unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */
+ unsigned readcd_cdda:1; /* reading audio data using READ_CD */
+ unsigned media_present:1; /* media is present */
+
+ /* GET_EVENT spurious event handling, blk layer guarantees exclusion */
+ int tur_mismatch; /* nr of get_event TUR mismatches */
+ bool tur_changed:1; /* changed according to TUR */
+ bool get_event_changed:1; /* changed according to GET_EVENT */
+ bool ignore_get_event:1; /* GET_EVENT is unreliable, use TUR */
+
+ struct cdrom_device_info cdi;
+ /* We hold gendisk and scsi_device references on probe and use
+ * the refs on this kref to decide when to release them */
+ struct kref kref;
+ struct gendisk *disk;
+} Scsi_CD;
+
+#define sr_printk(prefix, cd, fmt, a...) \
+ sdev_prefix_printk(prefix, (cd)->device, (cd)->cdi.name, fmt, ##a)
+
+int sr_do_ioctl(Scsi_CD *, struct packet_command *);
+
+int sr_lock_door(struct cdrom_device_info *, int);
+int sr_tray_move(struct cdrom_device_info *, int);
+int sr_drive_status(struct cdrom_device_info *, int);
+int sr_disk_status(struct cdrom_device_info *);
+int sr_get_last_session(struct cdrom_device_info *, struct cdrom_multisession *);
+int sr_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
+int sr_reset(struct cdrom_device_info *);
+int sr_select_speed(struct cdrom_device_info *cdi, int speed);
+int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
+
+int sr_is_xa(Scsi_CD *);
+
+/* sr_vendor.c */
+void sr_vendor_init(Scsi_CD *);
+int sr_cd_check(struct cdrom_device_info *);
+int sr_set_blocklength(Scsi_CD *, int blocklength);
+
+#endif