Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
new file mode 100644
index 000000000..a69dc7f61
--- /dev/null
+++ b/drivers/ide/ide-cd.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *  Copyright (C) 1996-98  Erik Andersen
+ *  Copyright (C) 1998-2000 Jens Axboe
+ */
+#ifndef _IDE_CD_H
+#define _IDE_CD_H
+
+#include <linux/cdrom.h>
+#include <asm/byteorder.h>
+
+#define IDECD_DEBUG_LOG		0
+
+#if IDECD_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, ## args)
+#else
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
+#endif
+
+#define ATAPI_WAIT_WRITE_BUSY	(10 * HZ)
+
+/************************************************************************/
+
+#define SECTORS_PER_FRAME	(CD_FRAMESIZE >> SECTOR_SHIFT)
+#define SECTOR_BUFFER_SIZE	(CD_FRAMESIZE * 32)
+
+/* Capabilities Page size including 8 bytes of Mode Page Header */
+#define ATAPI_CAPABILITIES_PAGE_SIZE		(8 + 20)
+#define ATAPI_CAPABILITIES_PAGE_PAD_SIZE	4
+
+/* Structure of a MSF cdrom address. */
+struct atapi_msf {
+	u8 reserved;
+	u8 minute;
+	u8 second;
+	u8 frame;
+};
+
+/* Space to hold the disk TOC. */
+#define MAX_TRACKS 99
+struct atapi_toc_header {
+	unsigned short toc_length;
+	u8 first_track;
+	u8 last_track;
+};
+
+struct atapi_toc_entry {
+	u8 reserved1;
+#if defined(__BIG_ENDIAN_BITFIELD)
+	u8 adr     : 4;
+	u8 control : 4;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+	u8 control : 4;
+	u8 adr     : 4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	u8 track;
+	u8 reserved2;
+	union {
+		unsigned lba;
+		struct atapi_msf msf;
+	} addr;
+};
+
+struct atapi_toc {
+	int    last_session_lba;
+	int    xa_flag;
+	unsigned long capacity;
+	struct atapi_toc_header hdr;
+	struct atapi_toc_entry  ent[MAX_TRACKS+1];
+	  /* One extra for the leadout. */
+};
+
+/* Extra per-device info for cdrom drives. */
+struct cdrom_info {
+	ide_drive_t		*drive;
+	struct ide_driver	*driver;
+	struct gendisk		*disk;
+	struct device		dev;
+
+	/* Buffer for table of contents.  NULL if we haven't allocated
+	   a TOC buffer for this device yet. */
+
+	struct atapi_toc *toc;
+
+	u8 max_speed;		/* Max speed of the drive. */
+	u8 current_speed;	/* Current speed of the drive. */
+
+        /* Per-device info needed by cdrom.c generic driver. */
+        struct cdrom_device_info devinfo;
+
+	unsigned long write_timeout;
+};
+
+/* ide-cd_verbose.c */
+void ide_cd_log_error(const char *, struct request *, struct request_sense *);
+
+/* ide-cd.c functions used by ide-cd_ioctl.c */
+int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *,
+		    unsigned *, struct scsi_sense_hdr *, int, req_flags_t);
+int ide_cd_read_toc(ide_drive_t *);
+int ide_cdrom_get_capabilities(ide_drive_t *, u8 *);
+void ide_cdrom_update_speed(ide_drive_t *, u8 *);
+int cdrom_check_status(ide_drive_t *, struct scsi_sense_hdr *);
+
+/* ide-cd_ioctl.c */
+int ide_cdrom_open_real(struct cdrom_device_info *, int);
+void ide_cdrom_release_real(struct cdrom_device_info *);
+int ide_cdrom_drive_status(struct cdrom_device_info *, int);
+unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *,
+					 unsigned int clearing, int slot_nr);
+int ide_cdrom_tray_move(struct cdrom_device_info *, int);
+int ide_cdrom_lock_door(struct cdrom_device_info *, int);
+int ide_cdrom_select_speed(struct cdrom_device_info *, int);
+int ide_cdrom_get_last_session(struct cdrom_device_info *,
+			       struct cdrom_multisession *);
+int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
+int ide_cdrom_reset(struct cdrom_device_info *cdi);
+int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
+int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *);
+
+#endif /* _IDE_CD_H */