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/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * cistpl.h
 *
 * The initial developer of the original code is David A. Hinds
 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 *
 * (C) 1999             David A. Hinds
 */

#ifndef _LINUX_CISTPL_H
#define _LINUX_CISTPL_H

typedef unsigned char cisdata_t;

#define CISTPL_NULL		0x00
#define CISTPL_DEVICE		0x01
#define CISTPL_LONGLINK_CB	0x02
#define CISTPL_INDIRECT		0x03
#define CISTPL_CONFIG_CB	0x04
#define CISTPL_CFTABLE_ENTRY_CB	0x05
#define CISTPL_LONGLINK_MFC	0x06
#define CISTPL_BAR		0x07
#define CISTPL_PWR_MGMNT	0x08
#define CISTPL_EXTDEVICE	0x09
#define CISTPL_CHECKSUM		0x10
#define CISTPL_LONGLINK_A	0x11
#define CISTPL_LONGLINK_C	0x12
#define CISTPL_LINKTARGET	0x13
#define CISTPL_NO_LINK		0x14
#define CISTPL_VERS_1		0x15
#define CISTPL_ALTSTR		0x16
#define CISTPL_DEVICE_A		0x17
#define CISTPL_JEDEC_C		0x18
#define CISTPL_JEDEC_A		0x19
#define CISTPL_CONFIG		0x1a
#define CISTPL_CFTABLE_ENTRY	0x1b
#define CISTPL_DEVICE_OC	0x1c
#define CISTPL_DEVICE_OA	0x1d
#define CISTPL_DEVICE_GEO	0x1e
#define CISTPL_DEVICE_GEO_A	0x1f
#define CISTPL_MANFID		0x20
#define CISTPL_FUNCID		0x21
#define CISTPL_FUNCE		0x22
#define CISTPL_SWIL		0x23
#define CISTPL_END		0xff
/* Layer 2 tuples */
#define CISTPL_VERS_2		0x40
#define CISTPL_FORMAT		0x41
#define CISTPL_GEOMETRY		0x42
#define CISTPL_BYTEORDER	0x43
#define CISTPL_DATE		0x44
#define CISTPL_BATTERY		0x45
#define CISTPL_FORMAT_A		0x47
/* Layer 3 tuples */
#define CISTPL_ORG		0x46
#define CISTPL_SPCL		0x90

typedef struct cistpl_longlink_t {
    u_int	addr;
} cistpl_longlink_t;

typedef struct cistpl_checksum_t {
    u_short	addr;
    u_short	len;
    u_char	sum;
} cistpl_checksum_t;

#define CISTPL_MAX_FUNCTIONS	8
#define CISTPL_MFC_ATTR		0x00
#define CISTPL_MFC_COMMON	0x01

typedef struct cistpl_longlink_mfc_t {
    u_char	nfn;
    struct {
	u_char	space;
	u_int	addr;
    } fn[CISTPL_MAX_FUNCTIONS];
} cistpl_longlink_mfc_t;

#define CISTPL_MAX_ALTSTR_STRINGS	4

typedef struct cistpl_altstr_t {
    u_char	ns;
    u_char	ofs[CISTPL_MAX_ALTSTR_STRINGS];
    char	str[254];
} cistpl_altstr_t;

#define CISTPL_DTYPE_NULL	0x00
#define CISTPL_DTYPE_ROM	0x01
#define CISTPL_DTYPE_OTPROM	0x02
#define CISTPL_DTYPE_EPROM	0x03
#define CISTPL_DTYPE_EEPROM	0x04
#define CISTPL_DTYPE_FLASH	0x05
#define CISTPL_DTYPE_SRAM	0x06
#define CISTPL_DTYPE_DRAM	0x07
#define CISTPL_DTYPE_FUNCSPEC	0x0d
#define CISTPL_DTYPE_EXTEND	0x0e

#define CISTPL_MAX_DEVICES	4

typedef struct cistpl_device_t {
    u_char	ndev;
    struct {
	u_char 	type;
	u_char	wp;
	u_int	speed;
	u_int	size;
    } dev[CISTPL_MAX_DEVICES];
} cistpl_device_t;

#define CISTPL_DEVICE_MWAIT	0x01
#define CISTPL_DEVICE_3VCC	0x02

typedef struct cistpl_device_o_t {
    u_char		flags;
    cistpl_device_t	device;
} cistpl_device_o_t;

#define CISTPL_VERS_1_MAX_PROD_STRINGS	4

typedef struct cistpl_vers_1_t {
    u_char	major;
    u_char	minor;
    u_char	ns;
    u_char	ofs[CISTPL_VERS_1_MAX_PROD_STRINGS];
    char	str[254];
} cistpl_vers_1_t;

typedef struct cistpl_jedec_t {
    u_char	nid;
    struct {
	u_char	mfr;
	u_char	info;
    } id[CISTPL_MAX_DEVICES];
} cistpl_jedec_t;

typedef struct cistpl_manfid_t {
    u_short	manf;
    u_short	card;
} cistpl_manfid_t;

#define CISTPL_FUNCID_MULTI	0x00
#define CISTPL_FUNCID_MEMORY	0x01
#define CISTPL_FUNCID_SERIAL	0x02
#define CISTPL_FUNCID_PARALLEL	0x03
#define CISTPL_FUNCID_FIXED	0x04
#define CISTPL_FUNCID_VIDEO	0x05
#define CISTPL_FUNCID_NETWORK	0x06
#define CISTPL_FUNCID_AIMS	0x07
#define CISTPL_FUNCID_SCSI	0x08

#define CISTPL_SYSINIT_POST	0x01
#define CISTPL_SYSINIT_ROM	0x02

typedef struct cistpl_funcid_t {
    u_char	func;
    u_char	sysinit;
} cistpl_funcid_t;

typedef struct cistpl_funce_t {
    u_char	type;
    u_char	data[0];
} cistpl_funce_t;

/*======================================================================

    Modem Function Extension Tuples

======================================================================*/

#define CISTPL_FUNCE_SERIAL_IF		0x00
#define CISTPL_FUNCE_SERIAL_CAP		0x01
#define CISTPL_FUNCE_SERIAL_SERV_DATA	0x02
#define CISTPL_FUNCE_SERIAL_SERV_FAX	0x03
#define CISTPL_FUNCE_SERIAL_SERV_VOICE	0x04
#define CISTPL_FUNCE_SERIAL_CAP_DATA	0x05
#define CISTPL_FUNCE_SERIAL_CAP_FAX	0x06
#define CISTPL_FUNCE_SERIAL_CAP_VOICE	0x07
#define CISTPL_FUNCE_SERIAL_IF_DATA	0x08
#define CISTPL_FUNCE_SERIAL_IF_FAX	0x09
#define CISTPL_FUNCE_SERIAL_IF_VOICE	0x0a

/* UART identification */
#define CISTPL_SERIAL_UART_8250		0x00
#define CISTPL_SERIAL_UART_16450	0x01
#define CISTPL_SERIAL_UART_16550	0x02
#define CISTPL_SERIAL_UART_8251		0x03
#define CISTPL_SERIAL_UART_8530		0x04
#define CISTPL_SERIAL_UART_85230	0x05

/* UART capabilities */
#define CISTPL_SERIAL_UART_SPACE	0x01
#define CISTPL_SERIAL_UART_MARK		0x02
#define CISTPL_SERIAL_UART_ODD		0x04
#define CISTPL_SERIAL_UART_EVEN		0x08
#define CISTPL_SERIAL_UART_5BIT		0x01
#define CISTPL_SERIAL_UART_6BIT		0x02
#define CISTPL_SERIAL_UART_7BIT		0x04
#define CISTPL_SERIAL_UART_8BIT		0x08
#define CISTPL_SERIAL_UART_1STOP	0x10
#define CISTPL_SERIAL_UART_MSTOP	0x20
#define CISTPL_SERIAL_UART_2STOP	0x40

typedef struct cistpl_serial_t {
    u_char	uart_type;
    u_char	uart_cap_0;
    u_char	uart_cap_1;
} cistpl_serial_t;

typedef struct cistpl_modem_cap_t {
    u_char	flow;
    u_char	cmd_buf;
    u_char	rcv_buf_0, rcv_buf_1, rcv_buf_2;
    u_char	xmit_buf_0, xmit_buf_1, xmit_buf_2;
} cistpl_modem_cap_t;

#define CISTPL_SERIAL_MOD_103		0x01
#define CISTPL_SERIAL_MOD_V21		0x02
#define CISTPL_SERIAL_MOD_V23		0x04
#define CISTPL_SERIAL_MOD_V22		0x08
#define CISTPL_SERIAL_MOD_212A		0x10
#define CISTPL_SERIAL_MOD_V22BIS	0x20
#define CISTPL_SERIAL_MOD_V26		0x40
#define CISTPL_SERIAL_MOD_V26BIS	0x80
#define CISTPL_SERIAL_MOD_V27BIS	0x01
#define CISTPL_SERIAL_MOD_V29		0x02
#define CISTPL_SERIAL_MOD_V32		0x04
#define CISTPL_SERIAL_MOD_V32BIS	0x08
#define CISTPL_SERIAL_MOD_V34		0x10

#define CISTPL_SERIAL_ERR_MNP2_4	0x01
#define CISTPL_SERIAL_ERR_V42_LAPM	0x02

#define CISTPL_SERIAL_CMPR_V42BIS	0x01
#define CISTPL_SERIAL_CMPR_MNP5		0x02

#define CISTPL_SERIAL_CMD_AT1		0x01
#define CISTPL_SERIAL_CMD_AT2		0x02
#define CISTPL_SERIAL_CMD_AT3		0x04
#define CISTPL_SERIAL_CMD_MNP_AT	0x08
#define CISTPL_SERIAL_CMD_V25BIS	0x10
#define CISTPL_SERIAL_CMD_V25A		0x20
#define CISTPL_SERIAL_CMD_DMCL		0x40

typedef struct cistpl_data_serv_t {
    u_char	max_data_0;
    u_char	max_data_1;
    u_char	modulation_0;
    u_char	modulation_1;
    u_char	error_control;
    u_char	compression;
    u_char	cmd_protocol;
    u_char	escape;
    u_char	encrypt;
    u_char	misc_features;
    u_char	ccitt_code[0];
} cistpl_data_serv_t;

typedef struct cistpl_fax_serv_t {
    u_char	max_data_0;
    u_char	max_data_1;
    u_char	modulation;
    u_char	encrypt;
    u_char	features_0;
    u_char	features_1;
    u_char	ccitt_code[0];
} cistpl_fax_serv_t;

typedef struct cistpl_voice_serv_t {
    u_char	max_data_0;
    u_char	max_data_1;
} cistpl_voice_serv_t;

/*======================================================================

    LAN Function Extension Tuples

======================================================================*/

#define CISTPL_FUNCE_LAN_TECH		0x01
#define CISTPL_FUNCE_LAN_SPEED		0x02
#define CISTPL_FUNCE_LAN_MEDIA		0x03
#define CISTPL_FUNCE_LAN_NODE_ID	0x04
#define CISTPL_FUNCE_LAN_CONNECTOR	0x05

/* LAN technologies */
#define CISTPL_LAN_TECH_ARCNET		0x01
#define CISTPL_LAN_TECH_ETHERNET	0x02
#define CISTPL_LAN_TECH_TOKENRING	0x03
#define CISTPL_LAN_TECH_LOCALTALK	0x04
#define CISTPL_LAN_TECH_FDDI		0x05
#define CISTPL_LAN_TECH_ATM		0x06
#define CISTPL_LAN_TECH_WIRELESS	0x07

typedef struct cistpl_lan_tech_t {
    u_char	tech;
} cistpl_lan_tech_t;

typedef struct cistpl_lan_speed_t {
    u_int	speed;
} cistpl_lan_speed_t;

/* LAN media definitions */
#define CISTPL_LAN_MEDIA_UTP		0x01
#define CISTPL_LAN_MEDIA_STP		0x02
#define CISTPL_LAN_MEDIA_THIN_COAX	0x03
#define CISTPL_LAN_MEDIA_THICK_COAX	0x04
#define CISTPL_LAN_MEDIA_FIBER		0x05
#define CISTPL_LAN_MEDIA_900MHZ		0x06
#define CISTPL_LAN_MEDIA_2GHZ		0x07
#define CISTPL_LAN_MEDIA_5GHZ		0x08
#define CISTPL_LAN_MEDIA_DIFF_IR	0x09
#define CISTPL_LAN_MEDIA_PTP_IR		0x0a

typedef struct cistpl_lan_media_t {
    u_char	media;
} cistpl_lan_media_t;

typedef struct cistpl_lan_node_id_t {
    u_char	nb;
    u_char	id[16];
} cistpl_lan_node_id_t;

typedef struct cistpl_lan_connector_t {
    u_char	code;
} cistpl_lan_connector_t;

/*======================================================================

    IDE Function Extension Tuples

======================================================================*/

#define CISTPL_IDE_INTERFACE		0x01

typedef struct cistpl_ide_interface_t {
    u_char	interface;
} cistpl_ide_interface_t;

/* First feature byte */
#define CISTPL_IDE_SILICON		0x04
#define CISTPL_IDE_UNIQUE		0x08
#define CISTPL_IDE_DUAL			0x10

/* Second feature byte */
#define CISTPL_IDE_HAS_SLEEP		0x01
#define CISTPL_IDE_HAS_STANDBY		0x02
#define CISTPL_IDE_HAS_IDLE		0x04
#define CISTPL_IDE_LOW_POWER		0x08
#define CISTPL_IDE_REG_INHIBIT		0x10
#define CISTPL_IDE_HAS_INDEX		0x20
#define CISTPL_IDE_IOIS16		0x40

typedef struct cistpl_ide_feature_t {
    u_char	feature1;
    u_char	feature2;
} cistpl_ide_feature_t;

#define CISTPL_FUNCE_IDE_IFACE		0x01
#define CISTPL_FUNCE_IDE_MASTER		0x02
#define CISTPL_FUNCE_IDE_SLAVE		0x03

/*======================================================================

    Configuration Table Entries

======================================================================*/

#define CISTPL_BAR_SPACE	0x07
#define CISTPL_BAR_SPACE_IO	0x10
#define CISTPL_BAR_PREFETCH	0x20
#define CISTPL_BAR_CACHEABLE	0x40
#define CISTPL_BAR_1MEG_MAP	0x80

typedef struct cistpl_bar_t {
    u_char	attr;
    u_int	size;
} cistpl_bar_t;

typedef struct cistpl_config_t {
    u_char	last_idx;
    u_int	base;
    u_int	rmask[4];
    u_char	subtuples;
} cistpl_config_t;

/* These are bits in the 'present' field, and indices in 'param' */
#define CISTPL_POWER_VNOM	0
#define CISTPL_POWER_VMIN	1
#define CISTPL_POWER_VMAX	2
#define CISTPL_POWER_ISTATIC	3
#define CISTPL_POWER_IAVG	4
#define CISTPL_POWER_IPEAK	5
#define CISTPL_POWER_IDOWN	6

#define CISTPL_POWER_HIGHZ_OK	0x01
#define CISTPL_POWER_HIGHZ_REQ	0x02

typedef struct cistpl_power_t {
    u_char	present;
    u_char	flags;
    u_int	param[7];
} cistpl_power_t;

typedef struct cistpl_timing_t {
    u_int	wait, waitscale;
    u_int	ready, rdyscale;
    u_int	reserved, rsvscale;
} cistpl_timing_t;

#define CISTPL_IO_LINES_MASK	0x1f
#define CISTPL_IO_8BIT		0x20
#define CISTPL_IO_16BIT		0x40
#define CISTPL_IO_RANGE		0x80

#define CISTPL_IO_MAX_WIN	16

typedef struct cistpl_io_t {
    u_char	flags;
    u_char	nwin;
    struct {
	u_int	base;
	u_int	len;
    } win[CISTPL_IO_MAX_WIN];
} cistpl_io_t;

typedef struct cistpl_irq_t {
    u_int	IRQInfo1;
    u_int	IRQInfo2;
} cistpl_irq_t;

#define CISTPL_MEM_MAX_WIN	8

typedef struct cistpl_mem_t {
    u_char	flags;
    u_char	nwin;
    struct {
	u_int	len;
	u_int	card_addr;
	u_int	host_addr;
    } win[CISTPL_MEM_MAX_WIN];
} cistpl_mem_t;

#define CISTPL_CFTABLE_DEFAULT		0x0001
#define CISTPL_CFTABLE_BVDS		0x0002
#define CISTPL_CFTABLE_WP		0x0004
#define CISTPL_CFTABLE_RDYBSY		0x0008
#define CISTPL_CFTABLE_MWAIT		0x0010
#define CISTPL_CFTABLE_AUDIO		0x0800
#define CISTPL_CFTABLE_READONLY		0x1000
#define CISTPL_CFTABLE_PWRDOWN		0x2000

typedef struct cistpl_cftable_entry_t {
    u_char		index;
    u_short		flags;
    u_char		interface;
    cistpl_power_t	vcc, vpp1, vpp2;
    cistpl_timing_t	timing;
    cistpl_io_t		io;
    cistpl_irq_t	irq;
    cistpl_mem_t	mem;
    u_char		subtuples;
} cistpl_cftable_entry_t;

#define CISTPL_CFTABLE_MASTER		0x000100
#define CISTPL_CFTABLE_INVALIDATE	0x000200
#define CISTPL_CFTABLE_VGA_PALETTE	0x000400
#define CISTPL_CFTABLE_PARITY		0x000800
#define CISTPL_CFTABLE_WAIT		0x001000
#define CISTPL_CFTABLE_SERR		0x002000
#define CISTPL_CFTABLE_FAST_BACK	0x004000
#define CISTPL_CFTABLE_BINARY_AUDIO	0x010000
#define CISTPL_CFTABLE_PWM_AUDIO	0x020000

typedef struct cistpl_cftable_entry_cb_t {
    u_char		index;
    u_int		flags;
    cistpl_power_t	vcc, vpp1, vpp2;
    u_char		io;
    cistpl_irq_t	irq;
    u_char		mem;
    u_char		subtuples;
} cistpl_cftable_entry_cb_t;

typedef struct cistpl_device_geo_t {
    u_char		ngeo;
    struct {
	u_char		buswidth;
	u_int		erase_block;
	u_int		read_block;
	u_int		write_block;
	u_int		partition;
	u_int		interleave;
    } geo[CISTPL_MAX_DEVICES];
} cistpl_device_geo_t;

typedef struct cistpl_vers_2_t {
    u_char	vers;
    u_char	comply;
    u_short	dindex;
    u_char	vspec8, vspec9;
    u_char	nhdr;
    u_char	vendor, info;
    char	str[244];
} cistpl_vers_2_t;

typedef struct cistpl_org_t {
    u_char	data_org;
    char	desc[30];
} cistpl_org_t;

#define CISTPL_ORG_FS		0x00
#define CISTPL_ORG_APPSPEC	0x01
#define CISTPL_ORG_XIP		0x02

typedef struct cistpl_format_t {
    u_char	type;
    u_char	edc;
    u_int	offset;
    u_int	length;
} cistpl_format_t;

#define CISTPL_FORMAT_DISK	0x00
#define CISTPL_FORMAT_MEM	0x01

#define CISTPL_EDC_NONE		0x00
#define CISTPL_EDC_CKSUM	0x01
#define CISTPL_EDC_CRC		0x02
#define CISTPL_EDC_PCC		0x03

typedef union cisparse_t {
    cistpl_device_t		device;
    cistpl_checksum_t		checksum;
    cistpl_longlink_t		longlink;
    cistpl_longlink_mfc_t	longlink_mfc;
    cistpl_vers_1_t		version_1;
    cistpl_altstr_t		altstr;
    cistpl_jedec_t		jedec;
    cistpl_manfid_t		manfid;
    cistpl_funcid_t		funcid;
    cistpl_funce_t		funce;
    cistpl_bar_t		bar;
    cistpl_config_t		config;
    cistpl_cftable_entry_t	cftable_entry;
    cistpl_cftable_entry_cb_t	cftable_entry_cb;
    cistpl_device_geo_t		device_geo;
    cistpl_vers_2_t		vers_2;
    cistpl_org_t		org;
    cistpl_format_t		format;
} cisparse_t;

typedef struct tuple_t {
    u_int	Attributes;
    cisdata_t 	DesiredTuple;
    u_int	Flags;		/* internal use */
    u_int	LinkOffset;	/* internal use */
    u_int	CISOffset;	/* internal use */
    cisdata_t	TupleCode;
    cisdata_t	TupleLink;
    cisdata_t	TupleOffset;
    cisdata_t	TupleDataMax;
    cisdata_t	TupleDataLen;
    cisdata_t	*TupleData;
} tuple_t;

/* Special cisdata_t value */
#define RETURN_FIRST_TUPLE	0xff

/* Attributes for tuple calls */
#define TUPLE_RETURN_LINK	0x01
#define TUPLE_RETURN_COMMON	0x02

#define CISTPL_MAX_CIS_SIZE	0x200

#endif /* LINUX_CISTPL_H */