xref: /netbsd/sys/dev/cardbus/cardbusvar.h (revision 6550d01e)
1 /*	$NetBSD: cardbusvar.h,v 1.54 2010/03/15 19:50:50 dyoung Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 1999 and 2000
5  *       HAYAKAWA Koichi.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_CARDBUS_CARDBUSVAR_H_
30 #define _DEV_CARDBUS_CARDBUSVAR_H_
31 
32 #include <dev/cardbus/cardbusreg.h>
33 #include <dev/cardbus/rbus.h>
34 
35 struct {
36 	int dummy;
37 } cardbus_chipset_tag;
38 
39 typedef struct cardbus_chipset_tag *cardbus_chipset_tag_t;
40 
41 /*
42  * struct cardbus_functions contains the pointers for basic cardbus
43  * functions.  Those functions must be provided by cardbus bridge.
44  * The child devices can use those functions.  The contained functions
45  * are: cardbus_space_alloc, cardbus_space_free,
46  * cardbus_intr_establish, cardbus_intr_disestablish, cardbus_ctrl,
47  * cardbus_power, cardbus_make_tag, and cardbus_conf_write.
48  *
49  *	int (*cardbus_space_alloc)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
50  *	    bus_addr_t addr, bus_size_t size,
51  *	    bus_addr_t mask, bus_size_t align,
52  *	    int flags, bus_addr_t *addrp,
53  *	    bus_space_handle_t *bshp);
54  *
55  *	int (*cardbus_space_free)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
56  *	    bus_space_handle_t, bus_size_t);
57  *
58  * cardbus_space_alloc and cardbus_space_free allocates and
59  * disallocate bus space for the requesters.
60  *
61  *	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t ct, int irq,
62  *	     int level, int (*ih)(void *), void *sc);
63  *
64  *	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t ct, void *ih);
65  *	int (*cardbus_ctrl)(cardbus_chipset_tag_t ct, int command);
66  *	int (*cardbus_power)(cardbus_chipset_tag_t ct, int voltage);
67  *
68  *	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t ct,
69  *	    int busno, int functionno);
70  *	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t ct,
71  *	    pcitag_t tag, int offs);
72  *	void (*cardbus_conf_write)(cardbus_chipset_tag_t ct,
73  *	    pcitag_t tag, int offs, pcireg_t val);
74  */
75 typedef const struct cardbus_functions {
76 	int (*cardbus_space_alloc)(cardbus_chipset_tag_t, rbus_tag_t,
77 	    bus_addr_t, bus_size_t, bus_addr_t, bus_size_t,
78 	    int, bus_addr_t *, bus_space_handle_t *);
79 	int (*cardbus_space_free)(cardbus_chipset_tag_t, rbus_tag_t,
80 	    bus_space_handle_t, bus_size_t);
81 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t,
82 	    cardbus_intr_line_t, int, int (*)(void *), void *);
83 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
84 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
85 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
86 
87 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
88 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
89 	    pcitag_t, int);
90 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
91 	    int, pcireg_t);
92 } cardbus_function_t, *cardbus_function_tag_t;
93 
94 /*
95  * struct cbslot_attach_args is the attach argument for Cardbus cardslot.
96  */
97 struct cbslot_attach_args {
98 	bus_space_tag_t cba_iot;	/* cardbus i/o space tag */
99 	bus_space_tag_t cba_memt;	/* cardbus mem space tag */
100 	bus_dma_tag_t cba_dmat;		/* DMA tag */
101 
102 	int cba_bus;			/* cardbus bus number */
103 
104 	cardbus_chipset_tag_t cba_cc;	/* cardbus chipset */
105 	cardbus_function_tag_t cba_cf; /* cardbus functions */
106 	cardbus_intr_line_t cba_intrline; /* interrupt line */
107 
108 	rbus_tag_t cba_rbus_iot;	/* CardBus i/o rbus tag */
109 	rbus_tag_t cba_rbus_memt;	/* CardBus mem rbus tag */
110 
111 	int cba_cacheline;		/* cache line size */
112 	int cba_max_lattimer;		/* No card's latency timer may
113 					 * exceed this.  On a PCI-Cardbus
114 					 * bridge, I let the latency timer on
115 					 * the primary bus (PCI bus) set
116 					 * the maximum.  That is kind of an
117 					 * arbitrary choice.  A more sensible
118 					 * choice may be either the
119 					 * latency timer on the primary bus,
120 					 * or the bridge's buffer size,
121 					 * whichever is larger.
122 					 */
123 };
124 
125 
126 struct cardbus_devfunc;
127 
128 /*
129  * struct cardbus_softc is the softc for cardbus card.
130  */
131 struct cardbus_softc {
132 	device_t sc_dev;		/* fundamental device structure */
133 
134 	int sc_bus;			/* cardbus bus number */
135 	cardbus_intr_line_t sc_intrline; /* CardBus intrline */
136 
137 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
138 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
139 	bus_dma_tag_t sc_dmat;		/* DMA tag */
140 
141 	cardbus_chipset_tag_t sc_cc;	/* CardBus chipset */
142 	cardbus_function_tag_t sc_cf;	/* CardBus function */
143 
144 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
145 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
146 
147 	int sc_cacheline;		/* cache line size */
148 	int sc_max_lattimer;		/* No card's latency timer
149 					 * may exceed this.  On a PCI-Cardbus
150 					 * bridge, the latency timer on
151 					 * the primary bus (PCI bus) sets
152 					 * the maximum.
153 					 */
154 	int sc_volt;			/* applied Vcc voltage */
155 #define PCCARD_33V  0x02
156 #define PCCARD_XXV  0x04
157 #define PCCARD_YYV  0x08
158 	int sc_poweron_func;
159   struct cardbus_devfunc *sc_funcs[8];	/* list of cardbus device functions */
160 };
161 
162 struct cardbus_conf_state {
163 	pcireg_t reg[16];
164 };
165 
166 /*
167  * struct cardbus_devfunc:
168  *
169  *   This is the data deposit for each function of a CardBus device.
170  *   This structure is used for memory or i/o space allocation and
171  *   disallocation.
172  */
173 typedef struct cardbus_devfunc {
174 	cardbus_chipset_tag_t ct_cc;
175 	cardbus_function_tag_t ct_cf;
176 	struct cardbus_softc *ct_sc;	/* pointer to the parent */
177 	int ct_bus;			/* bus number */
178 	int ct_func;			/* function number */
179 
180 	pcireg_t ct_bhlc;		/* Latency timer and cache line size */
181 	/* u_int32_t ct_cisreg; */	/* CIS reg: is it needed??? */
182 
183 	device_t ct_device;	/* pointer to the device */
184 
185 	/* some data structure needed for tuple??? */
186 } *cardbus_devfunc_t;
187 
188 
189 /* XXX various things extracted from CIS */
190 struct cardbus_cis_info {
191 	int32_t		manufacturer;
192 	int32_t		product;
193 	char		cis1_info_buf[256];
194 	char*		cis1_info[4];
195 	struct cb_bar_info {
196 		unsigned int flags;
197 		unsigned int size;
198 	} bar[7];
199 	unsigned int	funcid;
200 	union {
201 		struct {
202 			int uart_type;
203 			int uart_present;
204 		} serial;
205 		struct {
206 			char netid[6];
207 			char netid_present;
208 			char __filler;
209 		} network;
210 	} funce;
211 };
212 
213 struct cardbus_attach_args {
214 	cardbus_devfunc_t ca_ct;
215 
216 	bus_space_tag_t ca_iot;		/* CardBus I/O space tag */
217 	bus_space_tag_t ca_memt;	/* CardBus MEM space tag */
218 	bus_dma_tag_t ca_dmat;		/* DMA tag */
219 
220 	u_int ca_bus;
221 	u_int ca_function;
222 	pcitag_t ca_tag;
223 	pcireg_t ca_id;
224 	pcireg_t ca_class;
225 
226 	/* interrupt information */
227 	cardbus_intr_line_t ca_intrline;
228 
229 	rbus_tag_t ca_rbus_iot;		/* CardBus i/o rbus tag */
230 	rbus_tag_t ca_rbus_memt;	/* CardBus mem rbus tag */
231 
232 	struct cardbus_cis_info ca_cis;
233 };
234 
235 
236 #define CARDBUS_ENABLE  1	/* enable the channel */
237 #define CARDBUS_DISABLE 2	/* disable the channel */
238 #define CARDBUS_RESET   4
239 #define CARDBUS_CD      7
240 #  define CARDBUS_NOCARD 0
241 #  define CARDBUS_5V_CARD 0x01	/* XXX: It must not exist */
242 #  define CARDBUS_3V_CARD 0x02
243 #  define CARDBUS_XV_CARD 0x04
244 #  define CARDBUS_YV_CARD 0x08
245 #define CARDBUS_IO_ENABLE    100
246 #define CARDBUS_IO_DISABLE   101
247 #define CARDBUS_MEM_ENABLE   102
248 #define CARDBUS_MEM_DISABLE  103
249 #define CARDBUS_BM_ENABLE    104 /* bus master */
250 #define CARDBUS_BM_DISABLE   105
251 
252 #define CARDBUS_VCC_UC  0x0000
253 #define CARDBUS_VCC_3V  0x0001
254 #define CARDBUS_VCC_XV  0x0002
255 #define CARDBUS_VCC_YV  0x0003
256 #define CARDBUS_VCC_0V  0x0004
257 #define CARDBUS_VCC_5V  0x0005	/* ??? */
258 #define CARDBUS_VCCMASK 0x000f
259 #define CARDBUS_VPP_UC  0x0000
260 #define CARDBUS_VPP_VCC 0x0010
261 #define CARDBUS_VPP_12V 0x0030
262 #define CARDBUS_VPP_0V  0x0040
263 #define CARDBUS_VPPMASK 0x00f0
264 
265 
266 int cardbus_attach_card(struct cardbus_softc *);
267 void cardbus_detach_card(struct cardbus_softc *);
268 void *Cardbus_intr_establish(cardbus_devfunc_t,
269     cardbus_intr_line_t, int, int (*)(void *), void *);
270 void Cardbus_intr_disestablish(cardbus_devfunc_t, void *);
271 void *cardbus_intr_establish(cardbus_chipset_tag_t, cardbus_function_tag_t,
272     cardbus_intr_line_t, int, int (*) (void *), void *arg);
273 void cardbus_intr_disestablish(cardbus_chipset_tag_t, cardbus_function_tag_t,
274     void *);
275 
276 int cardbus_mapreg_map(struct cardbus_softc *, int, int, pcireg_t,
277     int, bus_space_tag_t *, bus_space_handle_t *, bus_addr_t *, bus_size_t *);
278 int cardbus_mapreg_unmap(struct cardbus_softc *, int, int,
279     bus_space_tag_t, bus_space_handle_t, bus_size_t);
280 
281 int cardbus_function_enable(struct cardbus_softc *, int);
282 int cardbus_function_disable(struct cardbus_softc *, int);
283 
284 int cardbus_get_capability(cardbus_chipset_tag_t, cardbus_function_tag_t,
285     pcitag_t, int, int *, pcireg_t *);
286 int cardbus_get_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t *);
287 int cardbus_set_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t);
288 
289 void cardbus_conf_capture(cardbus_chipset_tag_t, cardbus_function_tag_t,
290     pcitag_t, struct cardbus_conf_state *);
291 void cardbus_conf_restore(cardbus_chipset_tag_t, cardbus_function_tag_t,
292     pcitag_t, struct cardbus_conf_state *);
293 
294 #define Cardbus_function_enable(ct) cardbus_function_enable((ct)->ct_sc, (ct)->ct_func)
295 #define Cardbus_function_disable(ct) cardbus_function_disable((ct)->ct_sc, (ct)->ct_func)
296 
297 
298 
299 #define Cardbus_mapreg_map(ct, reg, type, busflags, tagp, handlep, basep, sizep) \
300 	cardbus_mapreg_map((ct)->ct_sc, (ct->ct_func), (reg), (type),\
301 			   (busflags), (tagp), (handlep), (basep), (sizep))
302 #define Cardbus_mapreg_unmap(ct, reg, tag, handle, size) \
303 	cardbus_mapreg_unmap((ct)->ct_sc, (ct->ct_func), (reg), (tag), (handle), (size))
304 
305 #define Cardbus_make_tag(ct) (*(ct)->ct_cf->cardbus_make_tag)((ct)->ct_cc, (ct)->ct_bus, (ct)->ct_func)
306 #define cardbus_make_tag(cc, cf, bus, function) ((cf)->cardbus_make_tag)((cc), (bus), (function))
307 
308 #define Cardbus_conf_read(ct, tag, offs) (*(ct)->ct_cf->cardbus_conf_read)((ct)->ct_cc, (tag), (offs))
309 #define cardbus_conf_read(cc, cf, tag, offs) ((cf)->cardbus_conf_read)((cc), (tag), (offs))
310 #define Cardbus_conf_write(ct, tag, offs, val) (*(ct)->ct_cf->cardbus_conf_write)((ct)->ct_cc, (tag), (offs), (val))
311 #define cardbus_conf_write(cc, cf, tag, offs, val) ((cf)->cardbus_conf_write)((cc), (tag), (offs), (val))
312 
313 #endif /* !_DEV_CARDBUS_CARDBUSVAR_H_ */
314