1 /*	$NetBSD: cardbusvar.h,v 1.56 2012/02/18 00:36:57 matt 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 typedef struct cardbus_chipset_tag *cardbus_chipset_tag_t;
36 
37 /*
38  * struct cardbus_functions contains the pointers for basic cardbus
39  * functions.  Those functions must be provided by cardbus bridge.
40  * The child devices can use those functions.  The contained functions
41  * are: cardbus_space_alloc, cardbus_space_free,
42  * cardbus_intr_establish, cardbus_intr_disestablish, cardbus_ctrl,
43  * cardbus_power, cardbus_make_tag, and cardbus_conf_write.
44  *
45  *	int (*cardbus_space_alloc)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
46  *	    bus_addr_t addr, bus_size_t size,
47  *	    bus_addr_t mask, bus_size_t align,
48  *	    int flags, bus_addr_t *addrp,
49  *	    bus_space_handle_t *bshp);
50  *
51  *	int (*cardbus_space_free)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
52  *	    bus_space_handle_t, bus_size_t);
53  *
54  * cardbus_space_alloc and cardbus_space_free allocates and
55  * disallocate bus space for the requesters.
56  *
57  *	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t ct, int irq,
58  *	     int level, int (*ih)(void *), void *sc);
59  *
60  *	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t ct, void *ih);
61  *	int (*cardbus_ctrl)(cardbus_chipset_tag_t ct, int command);
62  *	int (*cardbus_power)(cardbus_chipset_tag_t ct, int voltage);
63  *
64  *	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t ct,
65  *	    int busno, int functionno);
66  *	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t ct,
67  *	    pcitag_t tag, int offs);
68  *	void (*cardbus_conf_write)(cardbus_chipset_tag_t ct,
69  *	    pcitag_t tag, int offs, pcireg_t val);
70  */
71 typedef const struct cardbus_functions {
72 	int (*cardbus_space_alloc)(cardbus_chipset_tag_t, rbus_tag_t,
73 	    bus_addr_t, bus_size_t, bus_addr_t, bus_size_t,
74 	    int, bus_addr_t *, bus_space_handle_t *);
75 	int (*cardbus_space_free)(cardbus_chipset_tag_t, rbus_tag_t,
76 	    bus_space_handle_t, bus_size_t);
77 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t,
78 	    int, int (*)(void *), void *);
79 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
80 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
81 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
82 
83 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
84 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
85 	    pcitag_t, int);
86 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
87 	    int, pcireg_t);
88 } cardbus_function_t, *cardbus_function_tag_t;
89 
90 /*
91  * struct cbslot_attach_args is the attach argument for Cardbus cardslot.
92  */
93 struct cbslot_attach_args {
94 	bus_space_tag_t cba_iot;	/* cardbus i/o space tag */
95 	bus_space_tag_t cba_memt;	/* cardbus mem space tag */
96 	bus_dma_tag_t cba_dmat;		/* DMA tag */
97 
98 	int cba_bus;			/* cardbus bus number */
99 
100 	cardbus_chipset_tag_t cba_cc;	/* cardbus chipset */
101 	cardbus_function_tag_t cba_cf; /* cardbus functions */
102 
103 	rbus_tag_t cba_rbus_iot;	/* CardBus i/o rbus tag */
104 	rbus_tag_t cba_rbus_memt;	/* CardBus mem rbus tag */
105 
106 	int cba_cacheline;		/* cache line size */
107 	int cba_max_lattimer;		/* No card's latency timer may
108 					 * exceed this.  On a PCI-Cardbus
109 					 * bridge, I let the latency timer on
110 					 * the primary bus (PCI bus) set
111 					 * the maximum.  That is kind of an
112 					 * arbitrary choice.  A more sensible
113 					 * choice may be either the
114 					 * latency timer on the primary bus,
115 					 * or the bridge's buffer size,
116 					 * whichever is larger.
117 					 */
118 };
119 
120 
121 struct cardbus_devfunc;
122 
123 /*
124  * struct cardbus_softc is the softc for cardbus card.
125  */
126 struct cardbus_softc {
127 	device_t sc_dev;		/* fundamental device structure */
128 
129 	int sc_bus;			/* cardbus bus number */
130 
131 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
132 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
133 	bus_dma_tag_t sc_dmat;		/* DMA tag */
134 
135 	cardbus_chipset_tag_t sc_cc;	/* CardBus chipset */
136 	cardbus_function_tag_t sc_cf;	/* CardBus function */
137 
138 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
139 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
140 
141 	int sc_cacheline;		/* cache line size */
142 	int sc_max_lattimer;		/* No card's latency timer
143 					 * may exceed this.  On a PCI-Cardbus
144 					 * bridge, the latency timer on
145 					 * the primary bus (PCI bus) sets
146 					 * the maximum.
147 					 */
148 	int sc_poweron_func;
149   struct cardbus_devfunc *sc_funcs[8];	/* list of cardbus device functions */
150 };
151 
152 struct cardbus_conf_state {
153 	pcireg_t reg[16];
154 };
155 
156 /*
157  * struct cardbus_devfunc:
158  *
159  *   This is the data deposit for each function of a CardBus device.
160  *   This structure is used for memory or i/o space allocation and
161  *   disallocation.
162  */
163 typedef struct cardbus_devfunc {
164 	cardbus_chipset_tag_t ct_cc;
165 	cardbus_function_tag_t ct_cf;
166 	struct cardbus_softc *ct_sc;	/* pointer to the parent */
167 	int ct_bus;			/* bus number */
168 	int ct_func;			/* function number */
169 
170 	pcireg_t ct_bhlc;		/* Latency timer and cache line size */
171 	/* u_int32_t ct_cisreg; */	/* CIS reg: is it needed??? */
172 
173 	device_t ct_device;	/* pointer to the device */
174 
175 	/* some data structure needed for tuple??? */
176 } *cardbus_devfunc_t;
177 
178 
179 /* XXX various things extracted from CIS */
180 struct cardbus_cis_info {
181 	int32_t		manufacturer;
182 	int32_t		product;
183 	char		cis1_info_buf[256];
184 	char*		cis1_info[4];
185 	struct cb_bar_info {
186 		unsigned int flags;
187 		unsigned int size;
188 	} bar[7];
189 	unsigned int	funcid;
190 	union {
191 		struct {
192 			int uart_type;
193 			int uart_present;
194 		} serial;
195 		struct {
196 			char netid[6];
197 			char netid_present;
198 			char __filler;
199 		} network;
200 	} funce;
201 };
202 
203 struct cardbus_attach_args {
204 	cardbus_devfunc_t ca_ct;
205 
206 	bus_space_tag_t ca_iot;		/* CardBus I/O space tag */
207 	bus_space_tag_t ca_memt;	/* CardBus MEM space tag */
208 	bus_dma_tag_t ca_dmat;		/* DMA tag */
209 
210 	u_int ca_bus;
211 	u_int ca_function;
212 	pcitag_t ca_tag;
213 	pcireg_t ca_id;
214 	pcireg_t ca_class;
215 
216 	rbus_tag_t ca_rbus_iot;		/* CardBus i/o rbus tag */
217 	rbus_tag_t ca_rbus_memt;	/* CardBus mem rbus tag */
218 
219 	struct cardbus_cis_info ca_cis;
220 };
221 
222 
223 #define CARDBUS_ENABLE  1	/* enable the channel */
224 #define CARDBUS_DISABLE 2	/* disable the channel */
225 #define CARDBUS_RESET   4
226 #define CARDBUS_CD      7
227 #  define CARDBUS_NOCARD 0
228 #  define CARDBUS_5V_CARD 0x01	/* XXX: It must not exist */
229 #  define CARDBUS_3V_CARD 0x02
230 #  define CARDBUS_XV_CARD 0x04
231 #  define CARDBUS_YV_CARD 0x08
232 #define CARDBUS_IO_ENABLE    100
233 #define CARDBUS_IO_DISABLE   101
234 #define CARDBUS_MEM_ENABLE   102
235 #define CARDBUS_MEM_DISABLE  103
236 #define CARDBUS_BM_ENABLE    104 /* bus master */
237 #define CARDBUS_BM_DISABLE   105
238 
239 #define CARDBUS_VCC_UC  0x0000
240 #define CARDBUS_VCC_3V  0x0001
241 #define CARDBUS_VCC_XV  0x0002
242 #define CARDBUS_VCC_YV  0x0003
243 #define CARDBUS_VCC_0V  0x0004
244 #define CARDBUS_VCC_5V  0x0005	/* ??? */
245 #define CARDBUS_VCCMASK 0x000f
246 #define CARDBUS_VPP_UC  0x0000
247 #define CARDBUS_VPP_VCC 0x0010
248 #define CARDBUS_VPP_12V 0x0030
249 #define CARDBUS_VPP_0V  0x0040
250 #define CARDBUS_VPPMASK 0x00f0
251 
252 
253 int cardbus_attach_card(struct cardbus_softc *);
254 void cardbus_detach_card(struct cardbus_softc *);
255 void *Cardbus_intr_establish(cardbus_devfunc_t,
256     int, int (*)(void *), void *);
257 void Cardbus_intr_disestablish(cardbus_devfunc_t, void *);
258 void *cardbus_intr_establish(cardbus_chipset_tag_t, cardbus_function_tag_t,
259     int, int (*) (void *), void *arg);
260 void cardbus_intr_disestablish(cardbus_chipset_tag_t, cardbus_function_tag_t,
261     void *);
262 
263 int cardbus_mapreg_map(struct cardbus_softc *, int, int, pcireg_t,
264     int, bus_space_tag_t *, bus_space_handle_t *, bus_addr_t *, bus_size_t *);
265 int cardbus_mapreg_unmap(struct cardbus_softc *, int, int,
266     bus_space_tag_t, bus_space_handle_t, bus_size_t);
267 
268 int cardbus_function_enable(struct cardbus_softc *, int);
269 int cardbus_function_disable(struct cardbus_softc *, int);
270 
271 int cardbus_get_capability(cardbus_chipset_tag_t, cardbus_function_tag_t,
272     pcitag_t, int, int *, pcireg_t *);
273 int cardbus_get_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t *);
274 int cardbus_set_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t);
275 
276 void cardbus_conf_capture(cardbus_chipset_tag_t, cardbus_function_tag_t,
277     pcitag_t, struct cardbus_conf_state *);
278 void cardbus_conf_restore(cardbus_chipset_tag_t, cardbus_function_tag_t,
279     pcitag_t, struct cardbus_conf_state *);
280 
281 #define Cardbus_function_enable(ct) cardbus_function_enable((ct)->ct_sc, (ct)->ct_func)
282 #define Cardbus_function_disable(ct) cardbus_function_disable((ct)->ct_sc, (ct)->ct_func)
283 
284 
285 
286 #define Cardbus_mapreg_map(ct, reg, type, busflags, tagp, handlep, basep, sizep) \
287 	cardbus_mapreg_map((ct)->ct_sc, (ct->ct_func), (reg), (type),\
288 			   (busflags), (tagp), (handlep), (basep), (sizep))
289 #define Cardbus_mapreg_unmap(ct, reg, tag, handle, size) \
290 	cardbus_mapreg_unmap((ct)->ct_sc, (ct->ct_func), (reg), (tag), (handle), (size))
291 
292 #define Cardbus_make_tag(ct) (*(ct)->ct_cf->cardbus_make_tag)((ct)->ct_cc, (ct)->ct_bus, (ct)->ct_func)
293 #define cardbus_make_tag(cc, cf, bus, function) ((cf)->cardbus_make_tag)((cc), (bus), (function))
294 
295 #define Cardbus_conf_read(ct, tag, offs) (*(ct)->ct_cf->cardbus_conf_read)((ct)->ct_cc, (tag), (offs))
296 #define cardbus_conf_read(cc, cf, tag, offs) ((cf)->cardbus_conf_read)((cc), (tag), (offs))
297 #define Cardbus_conf_write(ct, tag, offs, val) (*(ct)->ct_cf->cardbus_conf_write)((ct)->ct_cc, (tag), (offs), (val))
298 #define cardbus_conf_write(cc, cf, tag, offs, val) ((cf)->cardbus_conf_write)((cc), (tag), (offs), (val))
299 
300 #endif /* !_DEV_CARDBUS_CARDBUSVAR_H_ */
301