patch-2.1.80 linux/include/asm-arm/ecard.h

• Lines: 228
• Date: Tue Jan 20 16:39:42 1998
• Orig file: v2.1.79/linux/include/asm-arm/ecard.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.79/linux/include/asm-arm/ecard.h linux/include/asm-arm/ecard.h
@@ -0,0 +1,227 @@
+/*
+ * linux/include/asm-arm/ecard.h
+ *
+ * definitions for expansion cards
+ *
+ * This is a new system as from Linux 1.2.3
+ *
+ * Changelog:
+ *  11-12-1996	RMK	Further minor improvements
+ *  12-09-1997	RMK	Added interrupt enable/disable for card level
+ *
+ * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
+ */
+
+#ifndef __ASM_ECARD_H
+#define __ASM_ECARD_H
+
+/*
+ * Currently understood cards
+ *                        Manufacturer  Product ID
+ */
+#define MANU_ACORN		0x0000
+#define PROD_ACORN_SCSI			0x0002
+#define PROD_ACORN_ETHER1		0x0003
+#define PROD_ACORN_MFM			0x000b
+
+#define MANU_ANT2		0x0011
+#define PROD_ANT_ETHER3			0x00a4
+
+#define MANU_ATOMWIDE		0x0017
+#define PROD_ATOMWIDE_3PSERIAL		0x0090
+
+#define MANU_OAK		0x0021
+#define PROD_OAK_SCSI			0x0058
+
+#define MANU_MORLEY		0x002b
+#define PROD_MORLEY_SCSI_UNCACHED	0x0067
+
+#define MANU_CUMANA		0x003a
+#define PROD_CUMANA_SCSI_1		0x00a0
+#define PROD_CUMANA_SCSI_2		0x003a
+
+#define MANU_ICS		0x003c
+#define PROD_ICS_IDE			0x00ae
+
+#define MANU_SERPORT		0x003f
+#define PROD_SERPORT_DSPORT		0x00b9
+
+#define MANU_I3			0x0046
+#define PROD_I3_ETHERLAN500		0x00d4
+#define PROD_I3_ETHERLAN600		0x00ec
+#define PROD_I3_ETHERLAN600A		0x011e
+
+#define MANU_ANT		0x0053
+#define PROD_ANT_ETHERB			0x00e4
+
+#define MANU_ALSYSTEMS		0x005b
+#define PROD_ALSYS_SCSIATAPI		0x0107
+
+#define MANU_MCS		0x0063
+#define PROD_MCS_CONNECT32		0x0125
+
+
+
+#ifdef ECARD_C
+#define CONST
+#else
+#define CONST const
+#endif
+
+#define MAX_ECARDS	8
+
+/* Type of card's address space */
+typedef enum {
+	ECARD_IOC  = 0,
+	ECARD_MEMC = 1
+} card_type_t;
+
+/* Speed of card for ECARD_IOC address space */
+typedef enum {
+	ECARD_SLOW	 = 0,
+	ECARD_MEDIUM	 = 1,
+	ECARD_FAST	 = 2,
+	ECARD_SYNC	 = 3
+} card_speed_t;
+
+/* Card ID structure */
+typedef struct  {
+	unsigned short manufacturer;
+	unsigned short product;
+} card_ids;
+
+/* External view of card ID information */
+struct in_ecld {
+	unsigned short	product;
+	unsigned short	manufacturer;
+	unsigned char	ecld;
+	unsigned char	country;
+	unsigned char	fiqmask;
+	unsigned char	irqmask;
+	unsigned long	fiqaddr;
+	unsigned long	irqaddr;
+};
+
+typedef struct expansion_card ecard_t;
+
+/* Card handler routines */
+typedef struct {
+	void (*irqenable)(ecard_t *ec, int irqnr);
+	void (*irqdisable)(ecard_t *ec, int irqnr);
+	void (*fiqenable)(ecard_t *ec, int fiqnr);
+	void (*fiqdisable)(ecard_t *ec, int fiqnr);
+} expansioncard_ops_t;
+
+typedef unsigned long *loader_t;
+
+/*
+ * This contains all the info needed on an expansion card
+ */
+struct expansion_card {
+	/* Public data */
+	volatile unsigned char *irqaddr;	/* address of IRQ register	*/
+	volatile unsigned char *fiqaddr;	/* address of FIQ register	*/
+	unsigned char		irqmask;	/* IRQ mask			*/
+	unsigned char		fiqmask;	/* FIQ mask			*/
+	unsigned char  		claimed;	/* Card claimed?		*/
+	CONST unsigned char	slot_no;	/* Slot number			*/
+	CONST unsigned char	irq;		/* IRQ number (for request_irq)	*/
+	CONST unsigned char	fiq;		/* FIQ number (for request_irq)	*/
+	CONST unsigned short	unused;
+	CONST struct in_ecld	cld;		/* Card Identification		*/
+	void			*irq_data;	/* Data for use for IRQ by card	*/
+	void			*fiq_data;	/* Data for use for FIQ by card	*/
+	expansioncard_ops_t	*ops;		/* Enable/Disable Ops for card	*/
+
+	/* Private internal data */
+	CONST unsigned int	podaddr;	/* Base Linux address for card	*/
+	CONST loader_t		loader;		/* loader program */
+};
+
+struct in_chunk_dir {
+	unsigned int start_offset;
+	union {
+		unsigned char string[256];
+		unsigned char data[1];
+	} d;
+};
+
+/*
+ * ecard_claim: claim an expansion card entry
+ */
+#define ecard_claim(ec) ((ec)->claimed = 1)
+
+/*
+ * ecard_release: release an expansion card entry
+ */
+#define ecard_release(ec) ((ec)->claimed = 0)
+
+/*
+ * Start finding cards from the top of the list
+ */
+extern void ecard_startfind (void);
+
+/*
+ * Find an expansion card with the correct cld, product and manufacturer code
+ */
+extern struct expansion_card *ecard_find (int cld, const card_ids *ids);
+ 
+/*
+ * Read a chunk from an expansion card
+ * cd : where to put read data
+ * ec : expansion card info struct
+ * id : id number to find
+ * num: (n+1)'th id to find.
+ */
+extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
+
+/*
+ * Obtain the address of a card
+ */
+extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed);
+
+#ifdef ECARD_C
+/* Definitions internal to ecard.c - for it's use only!!
+ *
+ * External expansion card header as read from the card
+ */
+struct ex_ecld {
+	unsigned char  r_ecld;
+	unsigned char  r_reserved[2];
+	unsigned char  r_product[2];
+	unsigned char  r_manufacturer[2];
+	unsigned char  r_country;
+	         long  r_fiqs;
+	         long  r_irqs;
+#define e_ecld(x)	((x)->r_ecld)
+#define e_cd(x)		((x)->r_reserved[0] & 1)
+#define e_is(x)		((x)->r_reserved[0] & 2)
+#define e_w(x)		(((x)->r_reserved[0] & 12)>>2)
+#define e_prod(x)	((x)->r_product[0]|((x)->r_product[1]<<8))
+#define e_manu(x)	((x)->r_manufacturer[0]|((x)->r_manufacturer[1]<<8))
+#define e_country(x)	((x)->r_country)
+#define e_fiqmask(x)	((x)->r_fiqs & 0xff)
+#define e_fiqaddr(x)	((x)->r_fiqs >> 8)
+#define e_irqmask(x)	((x)->r_irqs & 0xff)
+#define e_irqaddr(x)	((x)->r_irqs >> 8)
+};
+
+/*
+ * Chunk directory entry as read from the card
+ */
+struct ex_chunk_dir {
+	unsigned char r_id;
+	unsigned char r_len[3];
+	unsigned long r_start;
+	union {
+		char string[256];
+		char data[1];
+	} d;
+#define c_id(x)		((x)->r_id)
+#define c_len(x)	((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
+#define c_start(x)	((x)->r_start)
+};
+
+#endif
+
+#endif