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1/*
2 * ds.h -- 16-bit PCMCIA core support
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * The initial developer of the original code is David A. Hinds
9 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
10 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
11 *
12 * (C) 1999 David A. Hinds
13 * (C) 2003 - 2008 Dominik Brodowski
14 */
15
16#ifndef _LINUX_DS_H
17#define _LINUX_DS_H
18
19#ifdef __KERNEL__
20#include <linux/mod_devicetable.h>
21#endif
22
23#include <pcmcia/device_id.h>
24
25#ifdef __KERNEL__
26#include <linux/device.h>
27#include <linux/interrupt.h>
28#include <pcmcia/ss.h>
29#include <linux/atomic.h>
30
31
32/*
33 * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
34 * a.k.a. PCI drivers
35 */
36struct pcmcia_socket;
37struct pcmcia_device;
38struct config_t;
39struct net_device;
40
41/* dynamic device IDs for PCMCIA device drivers. See
42 * Documentation/pcmcia/driver.txt for details.
43*/
44struct pcmcia_dynids {
45 struct mutex lock;
46 struct list_head list;
47};
48
49struct pcmcia_driver {
50 const char *name;
51
52 int (*probe) (struct pcmcia_device *dev);
53 void (*remove) (struct pcmcia_device *dev);
54
55 int (*suspend) (struct pcmcia_device *dev);
56 int (*resume) (struct pcmcia_device *dev);
57
58 struct module *owner;
59 const struct pcmcia_device_id *id_table;
60 struct device_driver drv;
61 struct pcmcia_dynids dynids;
62};
63
64/* driver registration */
65int pcmcia_register_driver(struct pcmcia_driver *driver);
66void pcmcia_unregister_driver(struct pcmcia_driver *driver);
67
68/* for struct resource * array embedded in struct pcmcia_device */
69enum {
70 PCMCIA_IOPORT_0,
71 PCMCIA_IOPORT_1,
72 PCMCIA_IOMEM_0,
73 PCMCIA_IOMEM_1,
74 PCMCIA_IOMEM_2,
75 PCMCIA_IOMEM_3,
76 PCMCIA_NUM_RESOURCES,
77};
78
79struct pcmcia_device {
80 /* the socket and the device_no [for multifunction devices]
81 uniquely define a pcmcia_device */
82 struct pcmcia_socket *socket;
83
84 char *devname;
85
86 u8 device_no;
87
88 /* the hardware "function" device; certain subdevices can
89 * share one hardware "function" device. */
90 u8 func;
91 struct config_t *function_config;
92
93 struct list_head socket_device_list;
94
95 /* device setup */
96 unsigned int irq;
97 struct resource *resource[PCMCIA_NUM_RESOURCES];
98 resource_size_t card_addr; /* for the 1st IOMEM resource */
99 unsigned int vpp;
100
101 unsigned int config_flags; /* CONF_ENABLE_ flags below */
102 unsigned int config_base;
103 unsigned int config_index;
104 unsigned int config_regs; /* PRESENT_ flags below */
105 unsigned int io_lines; /* number of I/O lines */
106
107 /* Is the device suspended? */
108 u16 suspended:1;
109
110 /* Flags whether io, irq, win configurations were
111 * requested, and whether the configuration is "locked" */
112 u16 _irq:1;
113 u16 _io:1;
114 u16 _win:4;
115 u16 _locked:1;
116
117 /* Flag whether a "fuzzy" func_id based match is
118 * allowed. */
119 u16 allow_func_id_match:1;
120
121 /* information about this device */
122 u16 has_manf_id:1;
123 u16 has_card_id:1;
124 u16 has_func_id:1;
125
126 u16 reserved:4;
127
128 u8 func_id;
129 u16 manf_id;
130 u16 card_id;
131
132 char *prod_id[4];
133
134 u64 dma_mask;
135 struct device dev;
136
137 /* data private to drivers */
138 void *priv;
139 unsigned int open;
140};
141
142#define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
143#define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
144
145
146/*
147 * CIS access.
148 *
149 * Please use the following functions to access CIS tuples:
150 * - pcmcia_get_tuple()
151 * - pcmcia_loop_tuple()
152 * - pcmcia_get_mac_from_cis()
153 *
154 * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
155 * might change in future.
156 */
157
158/* get the very first CIS entry of type @code. Note that buf is pointer
159 * to u8 *buf; and that you need to kfree(buf) afterwards. */
160size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
161 u8 **buf);
162
163/* loop over CIS entries */
164int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
165 int (*loop_tuple) (struct pcmcia_device *p_dev,
166 tuple_t *tuple,
167 void *priv_data),
168 void *priv_data);
169
170/* get the MAC address from CISTPL_FUNCE */
171int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
172 struct net_device *dev);
173
174
175/* parse a tuple_t */
176int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
177
178/* loop CIS entries for valid configuration */
179int pcmcia_loop_config(struct pcmcia_device *p_dev,
180 int (*conf_check) (struct pcmcia_device *p_dev,
181 void *priv_data),
182 void *priv_data);
183
184/* is the device still there? */
185struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
186
187/* low-level interface reset */
188int pcmcia_reset_card(struct pcmcia_socket *skt);
189
190/* CIS config */
191int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
192int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);
193
194/* device configuration */
195int pcmcia_request_io(struct pcmcia_device *p_dev);
196
197int __must_check
198__pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
199 irq_handler_t handler);
200static inline __must_check __deprecated int
201pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
202 irq_handler_t handler)
203{
204 return __pcmcia_request_exclusive_irq(p_dev, handler);
205}
206
207int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
208 irq_handler_t handler);
209
210int pcmcia_enable_device(struct pcmcia_device *p_dev);
211
212int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
213 unsigned int speed);
214int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res);
215int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
216 unsigned int offset);
217
218int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
219int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);
220
221void pcmcia_disable_device(struct pcmcia_device *p_dev);
222
223/* IO ports */
224#define IO_DATA_PATH_WIDTH 0x18
225#define IO_DATA_PATH_WIDTH_8 0x00
226#define IO_DATA_PATH_WIDTH_16 0x08
227#define IO_DATA_PATH_WIDTH_AUTO 0x10
228
229/* IO memory */
230#define WIN_MEMORY_TYPE_CM 0x00 /* default */
231#define WIN_MEMORY_TYPE_AM 0x20 /* MAP_ATTRIB */
232#define WIN_DATA_WIDTH_8 0x00 /* default */
233#define WIN_DATA_WIDTH_16 0x02 /* MAP_16BIT */
234#define WIN_ENABLE 0x01 /* MAP_ACTIVE */
235#define WIN_USE_WAIT 0x40 /* MAP_USE_WAIT */
236
237#define WIN_FLAGS_MAP 0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE |
238 MAP_USE_WAIT */
239#define WIN_FLAGS_REQ 0x1c /* mapping to socket->win[i]:
240 0x04 -> 0
241 0x08 -> 1
242 0x0c -> 2
243 0x10 -> 3 */
244
245/* config_reg{ister}s present for this PCMCIA device */
246#define PRESENT_OPTION 0x001
247#define PRESENT_STATUS 0x002
248#define PRESENT_PIN_REPLACE 0x004
249#define PRESENT_COPY 0x008
250#define PRESENT_EXT_STATUS 0x010
251#define PRESENT_IOBASE_0 0x020
252#define PRESENT_IOBASE_1 0x040
253#define PRESENT_IOBASE_2 0x080
254#define PRESENT_IOBASE_3 0x100
255#define PRESENT_IOSIZE 0x200
256
257/* flags to be passed to pcmcia_enable_device() */
258#define CONF_ENABLE_IRQ 0x0001
259#define CONF_ENABLE_SPKR 0x0002
260#define CONF_ENABLE_PULSE_IRQ 0x0004
261#define CONF_ENABLE_ESR 0x0008
262#define CONF_ENABLE_IOCARD 0x0010 /* auto-enabled if IO resources or IRQ
263 * (CONF_ENABLE_IRQ) in use */
264#define CONF_ENABLE_ZVCARD 0x0020
265
266/* flags used by pcmcia_loop_config() autoconfiguration */
267#define CONF_AUTO_CHECK_VCC 0x0100 /* check for matching Vcc? */
268#define CONF_AUTO_SET_VPP 0x0200 /* set Vpp? */
269#define CONF_AUTO_AUDIO 0x0400 /* enable audio line? */
270#define CONF_AUTO_SET_IO 0x0800 /* set ->resource[0,1] */
271#define CONF_AUTO_SET_IOMEM 0x1000 /* set ->resource[2] */
272
273#endif /* __KERNEL__ */
274
275#endif /* _LINUX_DS_H */