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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 | */ |
36 | struct pcmcia_socket; |
37 | struct pcmcia_device; |
38 | struct config_t; |
39 | struct net_device; |
40 | |
41 | /* dynamic device IDs for PCMCIA device drivers. See |
42 | * Documentation/pcmcia/driver.txt for details. |
43 | */ |
44 | struct pcmcia_dynids { |
45 | struct mutex lock; |
46 | struct list_head list; |
47 | }; |
48 | |
49 | struct 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 */ |
65 | int pcmcia_register_driver(struct pcmcia_driver *driver); |
66 | void pcmcia_unregister_driver(struct pcmcia_driver *driver); |
67 | |
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, |
77 | }; |
78 | |
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; |
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. */ |
160 | size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, |
161 | u8 **buf); |
162 | |
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); |
169 | |
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); |
173 | |
174 | |
175 | /* parse a tuple_t */ |
176 | int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse); |
177 | |
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); |
183 | |
184 | /* is the device still there? */ |
185 | struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev); |
186 | |
187 | /* low-level interface reset */ |
188 | int pcmcia_reset_card(struct pcmcia_socket *skt); |
189 | |
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); |
193 | |
194 | /* device configuration */ |
195 | int pcmcia_request_io(struct pcmcia_device *p_dev); |
196 | |
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) |
203 | { |
204 | return __pcmcia_request_exclusive_irq(p_dev, handler); |
205 | } |
206 | |
207 | int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev, |
208 | irq_handler_t handler); |
209 | |
210 | int pcmcia_enable_device(struct pcmcia_device *p_dev); |
211 | |
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); |
217 | |
218 | int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp); |
219 | int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev); |
220 | |
221 | void 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 */ |
276 |
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