1 /*
2  * arch/arm/include/asm/ecard.h
3  *
4  * definitions for expansion cards
5  *
6  * This is a new system as from Linux 1.2.3
7  *
8  * Changelog:
9  *  11-12-1996	RMK	Further minor improvements
10  *  12-09-1997	RMK	Added interrupt enable/disable for card level
11  *
12  * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
13  */
14 
15 #ifndef __ASM_ECARD_H
16 #define __ASM_ECARD_H
17 
18 /*
19  * Currently understood cards (but not necessarily
20  * supported):
21  *                        Manufacturer  Product ID
22  */
23 #define MANU_ACORN		0x0000
24 #define PROD_ACORN_SCSI			0x0002
25 #define PROD_ACORN_ETHER1		0x0003
26 #define PROD_ACORN_MFM			0x000b
27 
28 #define MANU_ANT2		0x0011
29 #define PROD_ANT_ETHER3			0x00a4
30 
31 #define MANU_ATOMWIDE		0x0017
32 #define PROD_ATOMWIDE_3PSERIAL		0x0090
33 
34 #define MANU_IRLAM_INSTRUMENTS	0x001f
35 #define MANU_IRLAM_INSTRUMENTS_ETHERN	0x5678
36 
37 #define MANU_OAK		0x0021
38 #define PROD_OAK_SCSI			0x0058
39 
40 #define MANU_MORLEY		0x002b
41 #define PROD_MORLEY_SCSI_UNCACHED	0x0067
42 
43 #define MANU_CUMANA		0x003a
44 #define PROD_CUMANA_SCSI_2		0x003a
45 #define PROD_CUMANA_SCSI_1		0x00a0
46 
47 #define MANU_ICS		0x003c
48 #define PROD_ICS_IDE			0x00ae
49 
50 #define MANU_ICS2		0x003d
51 #define PROD_ICS2_IDE			0x00ae
52 
53 #define MANU_SERPORT		0x003f
54 #define PROD_SERPORT_DSPORT		0x00b9
55 
56 #define MANU_ARXE		0x0041
57 #define PROD_ARXE_SCSI			0x00be
58 
59 #define MANU_I3			0x0046
60 #define PROD_I3_ETHERLAN500		0x00d4
61 #define PROD_I3_ETHERLAN600		0x00ec
62 #define PROD_I3_ETHERLAN600A		0x011e
63 
64 #define MANU_ANT		0x0053
65 #define PROD_ANT_ETHERM			0x00d8
66 #define PROD_ANT_ETHERB			0x00e4
67 
68 #define MANU_ALSYSTEMS		0x005b
69 #define PROD_ALSYS_SCSIATAPI		0x0107
70 
71 #define MANU_MCS		0x0063
72 #define PROD_MCS_CONNECT32		0x0125
73 
74 #define MANU_EESOX		0x0064
75 #define PROD_EESOX_SCSI2		0x008c
76 
77 #define MANU_YELLOWSTONE	0x0096
78 #define PROD_YELLOWSTONE_RAPIDE32	0x0120
79 
80 #ifdef ECARD_C
81 #define CONST
82 #else
83 #define CONST const
84 #endif
85 
86 #define MAX_ECARDS	9
87 
88 struct ecard_id {			/* Card ID structure		*/
89 	unsigned short	manufacturer;
90 	unsigned short	product;
91 	void		*data;
92 };
93 
94 struct in_ecid {			/* Packed card ID information	*/
95 	unsigned short	product;	/* Product code			*/
96 	unsigned short	manufacturer;	/* Manufacturer code		*/
97 	unsigned char	id:4;		/* Simple ID			*/
98 	unsigned char	cd:1;		/* Chunk dir present		*/
99 	unsigned char	is:1;		/* Interrupt status pointers	*/
100 	unsigned char	w:2;		/* Width			*/
101 	unsigned char	country;	/* Country			*/
102 	unsigned char	irqmask;	/* IRQ mask			*/
103 	unsigned char	fiqmask;	/* FIQ mask			*/
104 	unsigned long	irqoff;		/* IRQ offset			*/
105 	unsigned long	fiqoff;		/* FIQ offset			*/
106 };
107 
108 typedef struct expansion_card ecard_t;
109 typedef unsigned long *loader_t;
110 
111 typedef struct expansion_card_ops {	/* Card handler routines	*/
112 	void (*irqenable)(ecard_t *ec, int irqnr);
113 	void (*irqdisable)(ecard_t *ec, int irqnr);
114 	int  (*irqpending)(ecard_t *ec);
115 	void (*fiqenable)(ecard_t *ec, int fiqnr);
116 	void (*fiqdisable)(ecard_t *ec, int fiqnr);
117 	int  (*fiqpending)(ecard_t *ec);
118 } expansioncard_ops_t;
119 
120 #define ECARD_NUM_RESOURCES	(6)
121 
122 #define ECARD_RES_IOCSLOW	(0)
123 #define ECARD_RES_IOCMEDIUM	(1)
124 #define ECARD_RES_IOCFAST	(2)
125 #define ECARD_RES_IOCSYNC	(3)
126 #define ECARD_RES_MEMC		(4)
127 #define ECARD_RES_EASI		(5)
128 
129 #define ecard_resource_start(ec,nr)	((ec)->resource[nr].start)
130 #define ecard_resource_end(ec,nr)	((ec)->resource[nr].end)
131 #define ecard_resource_len(ec,nr)	((ec)->resource[nr].end - \
132 					 (ec)->resource[nr].start + 1)
133 #define ecard_resource_flags(ec,nr)	((ec)->resource[nr].flags)
134 
135 /*
136  * This contains all the info needed on an expansion card
137  */
138 struct expansion_card {
139 	struct expansion_card  *next;
140 
141 	struct device		dev;
142 	struct resource		resource[ECARD_NUM_RESOURCES];
143 
144 	/* Public data */
145 	void __iomem		*irqaddr;	/* address of IRQ register	*/
146 	void __iomem		*fiqaddr;	/* address of FIQ register	*/
147 	unsigned char		irqmask;	/* IRQ mask			*/
148 	unsigned char		fiqmask;	/* FIQ mask			*/
149 	unsigned char  		claimed;	/* Card claimed?		*/
150 	unsigned char		easi;		/* EASI card			*/
151 
152 	void			*irq_data;	/* Data for use for IRQ by card	*/
153 	void			*fiq_data;	/* Data for use for FIQ by card	*/
154 	const expansioncard_ops_t *ops;		/* Enable/Disable Ops for card	*/
155 
156 	CONST unsigned int	slot_no;	/* Slot number			*/
157 	CONST unsigned int	dma;		/* DMA number (for request_dma)	*/
158 	CONST unsigned int	irq;		/* IRQ number (for request_irq)	*/
159 	CONST unsigned int	fiq;		/* FIQ number (for request_irq)	*/
160 	CONST struct in_ecid	cid;		/* Card Identification		*/
161 
162 	/* Private internal data */
163 	const char		*card_desc;	/* Card description		*/
164 	CONST loader_t		loader;		/* loader program */
165 	u64			dma_mask;
166 };
167 
168 void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data);
169 
170 struct in_chunk_dir {
171 	unsigned int start_offset;
172 	union {
173 		unsigned char string[256];
174 		unsigned char data[1];
175 	} d;
176 };
177 
178 /*
179  * Read a chunk from an expansion card
180  * cd : where to put read data
181  * ec : expansion card info struct
182  * id : id number to find
183  * num: (n+1)'th id to find.
184  */
185 extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
186 
187 /*
188  * Request and release ecard resources
189  */
190 extern int ecard_request_resources(struct expansion_card *ec);
191 extern void ecard_release_resources(struct expansion_card *ec);
192 
193 void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res,
194 			   unsigned long offset, unsigned long maxsize);
195 #define ecardm_iounmap(__ec, __addr)	devm_iounmap(&(__ec)->dev, __addr)
196 
197 extern struct bus_type ecard_bus_type;
198 
199 #define ECARD_DEV(_d)	container_of((_d), struct expansion_card, dev)
200 
201 struct ecard_driver {
202 	int			(*probe)(struct expansion_card *, const struct ecard_id *id);
203 	void			(*remove)(struct expansion_card *);
204 	void			(*shutdown)(struct expansion_card *);
205 	const struct ecard_id	*id_table;
206 	unsigned int		id;
207 	struct device_driver	drv;
208 };
209 
210 #define ECARD_DRV(_d)	container_of((_d), struct ecard_driver, drv)
211 
212 #define ecard_set_drvdata(ec,data)	dev_set_drvdata(&(ec)->dev, (data))
213 #define ecard_get_drvdata(ec)		dev_get_drvdata(&(ec)->dev)
214 
215 int ecard_register_driver(struct ecard_driver *);
216 void ecard_remove_driver(struct ecard_driver *);
217 
218 #endif
219