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Diffstat (limited to 'arch/arm/include/asm/ecard.h')
| -rw-r--r-- | arch/arm/include/asm/ecard.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ecard.h b/arch/arm/include/asm/ecard.h new file mode 100644 index 000000000..4befe8d2a --- /dev/null +++ b/arch/arm/include/asm/ecard.h @@ -0,0 +1,219 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * arch/arm/include/asm/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 (but not necessarily + * supported): + * 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_IRLAM_INSTRUMENTS 0x001f +#define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678 + +#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_2 0x003a +#define PROD_CUMANA_SCSI_1 0x00a0 + +#define MANU_ICS 0x003c +#define PROD_ICS_IDE 0x00ae + +#define MANU_ICS2 0x003d +#define PROD_ICS2_IDE 0x00ae + +#define MANU_SERPORT 0x003f +#define PROD_SERPORT_DSPORT 0x00b9 + +#define MANU_ARXE 0x0041 +#define PROD_ARXE_SCSI 0x00be + +#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_ETHERM 0x00d8 +#define PROD_ANT_ETHERB 0x00e4 + +#define MANU_ALSYSTEMS 0x005b +#define PROD_ALSYS_SCSIATAPI 0x0107 + +#define MANU_MCS 0x0063 +#define PROD_MCS_CONNECT32 0x0125 + +#define MANU_EESOX 0x0064 +#define PROD_EESOX_SCSI2 0x008c + +#define MANU_YELLOWSTONE 0x0096 +#define PROD_YELLOWSTONE_RAPIDE32 0x0120 + +#ifdef ECARD_C +#define CONST +#else +#define CONST const +#endif + +#define MAX_ECARDS 9 + +struct ecard_id { /* Card ID structure */ + unsigned short manufacturer; + unsigned short product; + void *data; +}; + +struct in_ecid { /* Packed card ID information */ + unsigned short product; /* Product code */ + unsigned short manufacturer; /* Manufacturer code */ + unsigned char id:4; /* Simple ID */ + unsigned char cd:1; /* Chunk dir present */ + unsigned char is:1; /* Interrupt status pointers */ + unsigned char w:2; /* Width */ + unsigned char country; /* Country */ + unsigned char irqmask; /* IRQ mask */ + unsigned char fiqmask; /* FIQ mask */ + unsigned long irqoff; /* IRQ offset */ + unsigned long fiqoff; /* FIQ offset */ +}; + +typedef struct expansion_card ecard_t; +typedef unsigned long *loader_t; + +typedef struct expansion_card_ops { /* Card handler routines */ + void (*irqenable)(ecard_t *ec, int irqnr); + void (*irqdisable)(ecard_t *ec, int irqnr); + int (*irqpending)(ecard_t *ec); + void (*fiqenable)(ecard_t *ec, int fiqnr); + void (*fiqdisable)(ecard_t *ec, int fiqnr); + int (*fiqpending)(ecard_t *ec); +} expansioncard_ops_t; + +#define ECARD_NUM_RESOURCES (6) + +#define ECARD_RES_IOCSLOW (0) +#define ECARD_RES_IOCMEDIUM (1) +#define ECARD_RES_IOCFAST (2) +#define ECARD_RES_IOCSYNC (3) +#define ECARD_RES_MEMC (4) +#define ECARD_RES_EASI (5) + +#define ecard_resource_start(ec,nr) ((ec)->resource[nr].start) +#define ecard_resource_end(ec,nr) ((ec)->resource[nr].end) +#define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \ + (ec)->resource[nr].start + 1) +#define ecard_resource_flags(ec,nr) ((ec)->resource[nr].flags) + +/* + * This contains all the info needed on an expansion card + */ +struct expansion_card { + struct expansion_card *next; + + struct device dev; + struct resource resource[ECARD_NUM_RESOURCES]; + + /* Public data */ + void __iomem *irqaddr; /* address of IRQ register */ + void __iomem *fiqaddr; /* address of FIQ register */ + unsigned char irqmask; /* IRQ mask */ + unsigned char fiqmask; /* FIQ mask */ + unsigned char claimed; /* Card claimed? */ + unsigned char easi; /* EASI card */ + + void *irq_data; /* Data for use for IRQ by card */ + void *fiq_data; /* Data for use for FIQ by card */ + const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */ + + CONST unsigned int slot_no; /* Slot number */ + CONST unsigned int dma; /* DMA number (for request_dma) */ + CONST unsigned int irq; /* IRQ number (for request_irq) */ + CONST unsigned int fiq; /* FIQ number (for request_irq) */ + CONST struct in_ecid cid; /* Card Identification */ + + /* Private internal data */ + const char *card_desc; /* Card description */ + CONST loader_t loader; /* loader program */ + u64 dma_mask; +}; + +void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data); + +struct in_chunk_dir { + unsigned int start_offset; + union { + unsigned char string[256]; + unsigned char data[1]; + } d; +}; + +/* + * 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); + +/* + * Request and release ecard resources + */ +extern int ecard_request_resources(struct expansion_card *ec); +extern void ecard_release_resources(struct expansion_card *ec); + +void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, + unsigned long offset, unsigned long maxsize); +#define ecardm_iounmap(__ec, __addr) devm_iounmap(&(__ec)->dev, __addr) + +extern struct bus_type ecard_bus_type; + +#define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev) + +struct ecard_driver { + int (*probe)(struct expansion_card *, const struct ecard_id *id); + void (*remove)(struct expansion_card *); + void (*shutdown)(struct expansion_card *); + const struct ecard_id *id_table; + unsigned int id; + struct device_driver drv; +}; + +#define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv) + +#define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data)) +#define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev) + +int ecard_register_driver(struct ecard_driver *); +void ecard_remove_driver(struct ecard_driver *); + +#endif |