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[pohmelfs.git] / include / pcmcia / ds.h
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1 /*
2 * ds.h -- 16-bit PCMCIA core support
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.
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.
12 * (C) 1999 David A. Hinds
13 * (C) 2003 - 2008 Dominik Brodowski
16 #ifndef _LINUX_DS_H
17 #define _LINUX_DS_H
19 #ifdef __KERNEL__
20 #include <linux/mod_devicetable.h>
21 #endif
23 #include <pcmcia/device_id.h>
25 #ifdef __KERNEL__
26 #include <linux/device.h>
27 #include <linux/interrupt.h>
28 #include <pcmcia/ss.h>
29 #include <linux/atomic.h>
33 * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
34 * a.k.a. PCI drivers
36 struct pcmcia_socket;
37 struct pcmcia_device;
38 struct config_t;
39 struct net_device;
41 /* dynamic device IDs for PCMCIA device drivers. See
42 * Documentation/pcmcia/driver.txt for details.
44 struct pcmcia_dynids {
45 struct mutex lock;
46 struct list_head list;
49 struct pcmcia_driver {
50 const char *name;
52 int (*probe) (struct pcmcia_device *dev);
53 void (*remove) (struct pcmcia_device *dev);
55 int (*suspend) (struct pcmcia_device *dev);
56 int (*resume) (struct pcmcia_device *dev);
58 struct module *owner;
59 const struct pcmcia_device_id *id_table;
60 struct device_driver drv;
61 struct pcmcia_dynids dynids;
64 /* driver registration */
65 int pcmcia_register_driver(struct pcmcia_driver *driver);
66 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
68 /* for struct resource * array embedded in struct pcmcia_device */
69 enum {
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,
79 struct pcmcia_device {
80 /* the socket and the device_no [for multifunction devices]
81 uniquely define a pcmcia_device */
82 struct pcmcia_socket *socket;
84 char *devname;
86 u8 device_no;
88 /* the hardware "function" device; certain subdevices can
89 * share one hardware "function" device. */
90 u8 func;
91 struct config_t *function_config;
93 struct list_head socket_device_list;
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;
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 */
107 /* Is the device suspended? */
108 u16 suspended:1;
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;
117 /* Flag whether a "fuzzy" func_id based match is
118 * allowed. */
119 u16 allow_func_id_match:1;
121 /* information about this device */
122 u16 has_manf_id:1;
123 u16 has_card_id:1;
124 u16 has_func_id:1;
126 u16 reserved:4;
128 u8 func_id;
129 u16 manf_id;
130 u16 card_id;
132 char *prod_id[4];
134 u64 dma_mask;
135 struct device dev;
137 /* data private to drivers */
138 void *priv;
139 unsigned int open;
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)
147 * CIS access.
149 * Please use the following functions to access CIS tuples:
150 * - pcmcia_get_tuple()
151 * - pcmcia_loop_tuple()
152 * - pcmcia_get_mac_from_cis()
154 * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
155 * might change in future.
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. */
160 size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
161 u8 **buf);
163 /* loop over CIS entries */
164 int 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);
170 /* get the MAC address from CISTPL_FUNCE */
171 int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
172 struct net_device *dev);
175 /* parse a tuple_t */
176 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
178 /* loop CIS entries for valid configuration */
179 int 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);
184 /* is the device still there? */
185 struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
187 /* low-level interface reset */
188 int pcmcia_reset_card(struct pcmcia_socket *skt);
190 /* CIS config */
191 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
192 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);
194 /* device configuration */
195 int pcmcia_request_io(struct pcmcia_device *p_dev);
197 int __must_check
198 __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
199 irq_handler_t handler);
200 static inline __must_check __deprecated int
201 pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
202 irq_handler_t handler)
204 return __pcmcia_request_exclusive_irq(p_dev, handler);
207 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
208 irq_handler_t handler);
210 int pcmcia_enable_device(struct pcmcia_device *p_dev);
212 int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
213 unsigned int speed);
214 int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res);
215 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
216 unsigned int offset);
218 int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
219 int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);
221 void pcmcia_disable_device(struct pcmcia_device *p_dev);
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
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 */
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 */
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
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
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] */
273 #endif /* __KERNEL__ */
275 #endif /* _LINUX_DS_H */