xref: /netbsd-src/sys/dev/ic/tcic2var.h (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: tcic2var.h,v 1.7 2005/12/24 23:41:33 perry Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 1999 Christoph Badura.  All rights reserved.
5  * Copyright (c) 1997 Marc Horowitz.  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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Marc Horowitz.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _TCIC2VAR_H
34 #define _TCIC2VAR_H
35 
36 #include <sys/device.h>
37 
38 #include <dev/pcmcia/pcmciareg.h>
39 #include <dev/pcmcia/pcmciachip.h>
40 
41 #include <dev/ic/tcic2reg.h>
42 
43 struct proc;
44 
45 struct tcic_event {
46 	SIMPLEQ_ENTRY(tcic_event) pe_q;
47 	int pe_type;
48 };
49 
50 /* pe_type */
51 #define	TCIC_EVENT_INSERTION	0
52 #define	TCIC_EVENT_REMOVAL	1
53 
54 
55 struct tcic_handle {
56 	struct tcic_softc *sc;
57 	int	sock;				/* socket number */
58 	int	flags;
59 	int	sstat;				/* last value of R_SSTAT */
60 	int	memalloc;
61 	int	memwins;
62 	struct {
63 		bus_addr_t	addr;
64 		bus_size_t	size;
65 		int		size2;		/* size as 2^n scaled by 4K */
66 		long		offset;
67 		int		speed;		/* in ns */
68 		int		kind;
69 	} mem[TCIC_MAX_MEM_WINS];
70 	int	ioalloc;
71 	struct {
72 		bus_addr_t	addr;
73 		bus_size_t	size;
74 		int		width;
75 		int		speed;		/* in ns */
76 	} io[TCIC_IO_WINS];
77 	int	ih_irq;
78 	struct device *pcmcia;
79 
80 	int shutdown;
81 	struct proc *event_thread;
82 	SIMPLEQ_HEAD(, tcic_event) events;
83 };
84 
85 #define	TCIC_FLAG_SOCKETP	0x0001
86 #define	TCIC_FLAG_CARDP		0x0002
87 
88 /*
89  * This is sort of arbitrary.  It merely needs to be "enough". It can be
90  * overridden in the conf file, anyway.
91  */
92 
93 #define	TCIC_MEM_PAGES	4
94 #define	TCIC_MEMSIZE	TCIC_MEM_PAGES*TCIC_MEM_PAGESIZE
95 
96 #define	TCIC_NSLOTS	2
97 
98 struct tcic_softc {
99 	struct device dev;
100 
101 	bus_space_tag_t memt;
102 	bus_space_handle_t memh;
103 	bus_space_tag_t iot;
104 	bus_space_handle_t ioh;
105 
106 	int	chipid;
107 	int	validirqs;
108 	int	pwrena;		/* holds TCIC_PWR_ENA on'084 and successors */
109 
110 	/* XXX isa_chipset_tag_t, pci_chipset_tag_t, etc. */
111 	void	*intr_est;
112 
113 	pcmcia_chipset_tag_t pct;
114 
115 	/* this needs to be large enough to hold TCIC_MEM_PAGES bits */
116 	int	subregionmask;
117 
118 	/* used by memory window mapping functions */
119 	bus_addr_t membase;
120 	int	memsize2;		/* int(log2(memsize)) */
121 
122 	/*
123 	 * used by io window mapping functions.  These can actually overlap
124 	 * with another tcic, since the underlying extent mapper will deal
125 	 * with individual allocations.  This is here to deal with the fact
126 	 * that different busses have different real widths (different pc
127 	 * hardware seems to use 10 or 12 bits for the I/O bus).
128 	 */
129 	bus_addr_t iobase;
130 	bus_size_t iosize;
131 
132 	int	irq;
133 	void	*ih;
134 
135 	struct tcic_handle handle[TCIC_NSLOTS];
136 };
137 
138 int	tcic_log2(u_int);
139 int	tcic_ns2wscnt(int);
140 
141 int	tcic_check_reserved_bits(bus_space_tag_t, bus_space_handle_t);
142 int	tcic_chipid(bus_space_tag_t, bus_space_handle_t);
143 int	tcic_chipid_known(int);
144 const char *tcic_chipid_to_string(int);
145 int	tcic_validirqs(int);
146 
147 void	tcic_attach(struct tcic_softc *);
148 void	tcic_attach_sockets(struct tcic_softc *);
149 int	tcic_intr(void *arg);
150 
151 static inline int tcic_read_1(struct tcic_handle *, int);
152 static inline int tcic_read_2(struct tcic_handle *, int);
153 static inline int tcic_read_4(struct tcic_handle *, int);
154 static inline void tcic_write_1(struct tcic_handle *, int, int);
155 static inline void tcic_write_2(struct tcic_handle *, int, int);
156 static inline void tcic_write_4(struct tcic_handle *, int, int);
157 static inline int tcic_read_ind_2(struct tcic_handle *, int);
158 static inline void tcic_write_ind_2(struct tcic_handle *, int, int);
159 static inline void tcic_sel_sock(struct tcic_handle *);
160 static inline void tcic_wait_ready(struct tcic_handle *);
161 static inline int tcic_read_aux_1(bus_space_tag_t, bus_space_handle_t, int, int);
162 static inline int tcic_read_aux_2(bus_space_tag_t, bus_space_handle_t, int);
163 static inline void tcic_write_aux_1(bus_space_tag_t, bus_space_handle_t, int, int, int);
164 static inline void tcic_write_aux_2(bus_space_tag_t, bus_space_handle_t, int, int);
165 
166 int	tcic_chip_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
167 	    struct pcmcia_mem_handle *);
168 void	tcic_chip_mem_free(pcmcia_chipset_handle_t,
169 	    struct pcmcia_mem_handle *);
170 int	tcic_chip_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t,
171 	    bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *);
172 void	tcic_chip_mem_unmap(pcmcia_chipset_handle_t, int);
173 
174 int	tcic_chip_io_alloc(pcmcia_chipset_handle_t, bus_addr_t,
175 	    bus_size_t, bus_size_t, struct pcmcia_io_handle *);
176 void	tcic_chip_io_free(pcmcia_chipset_handle_t,
177 	    struct pcmcia_io_handle *);
178 int	tcic_chip_io_map(pcmcia_chipset_handle_t, int, bus_addr_t,
179 	    bus_size_t, struct pcmcia_io_handle *, int *);
180 void	tcic_chip_io_unmap(pcmcia_chipset_handle_t, int);
181 
182 void	tcic_chip_socket_enable(pcmcia_chipset_handle_t);
183 void	tcic_chip_socket_disable(pcmcia_chipset_handle_t);
184 void	tcic_chip_socket_settype(pcmcia_chipset_handle_t, int);
185 
186 static inline int tcic_read_1(struct tcic_handle *, int);
187 static inline int
188 tcic_read_1(h, reg)
189 	struct tcic_handle *h;
190 	int reg;
191 {
192 	return (bus_space_read_1(h->sc->iot, h->sc->ioh, reg));
193 }
194 
195 static inline int tcic_read_2(struct tcic_handle *, int);
196 static inline int
197 tcic_read_2(h, reg)
198 	struct tcic_handle *h;
199 	int reg;
200 {
201 	return (bus_space_read_2(h->sc->iot, h->sc->ioh, reg));
202 }
203 
204 static inline int tcic_read_4(struct tcic_handle *, int);
205 static inline int
206 tcic_read_4(h, reg)
207 	struct tcic_handle *h;
208 	int reg;
209 {
210 	int val;
211 	val = bus_space_read_2(h->sc->iot, h->sc->ioh, reg);
212 	val |= bus_space_read_2(h->sc->iot, h->sc->ioh, reg+2) << 16;
213 	return val;
214 }
215 
216 static inline void tcic_write_1(struct tcic_handle *, int, int);
217 static inline void
218 tcic_write_1(h, reg, data)
219 	struct tcic_handle *h;
220 	int reg;
221 	int data;
222 {
223 	bus_space_write_1(h->sc->iot, h->sc->ioh, reg, (data));
224 }
225 
226 static inline void tcic_write_2(struct tcic_handle *, int, int);
227 static inline void
228 tcic_write_2(h, reg, data)
229 	struct tcic_handle *h;
230 	int reg;
231 	int data;
232 {
233 	bus_space_write_2(h->sc->iot, h->sc->ioh, reg, (data));
234 }
235 
236 static inline void tcic_write_4(struct tcic_handle *, int, int);
237 static inline void
238 tcic_write_4(h, reg, data)
239 	struct tcic_handle *h;
240 	int reg;
241 	int data;
242 {
243 	bus_space_write_2(h->sc->iot, h->sc->ioh, reg, (data));
244 	bus_space_write_2(h->sc->iot, h->sc->ioh, reg+2, (data)>>16);
245 }
246 
247 static inline int tcic_read_ind_2(struct tcic_handle *, int);
248 static inline int
249 tcic_read_ind_2(h, reg)
250 	struct tcic_handle *h;
251 	int reg;
252 {
253 	int r_addr, val;
254 	r_addr = tcic_read_4(h, TCIC_R_ADDR);
255 	tcic_write_4(h, TCIC_R_ADDR, reg|TCIC_ADDR_INDREG);
256 	val = bus_space_read_2(h->sc->iot, h->sc->ioh, TCIC_R_DATA);
257 	tcic_write_4(h, TCIC_R_ADDR, r_addr);
258 	return val;
259 }
260 
261 static inline void tcic_write_ind_2(struct tcic_handle *, int, int);
262 static inline void
263 tcic_write_ind_2(h, reg, data)
264 	struct tcic_handle *h;
265 	int reg;
266 	int data;
267 {
268 	int r_addr;
269 	r_addr = tcic_read_4(h, TCIC_R_ADDR);
270 	tcic_write_4(h, TCIC_R_ADDR, reg|TCIC_ADDR_INDREG);
271 	bus_space_write_2(h->sc->iot, h->sc->ioh, TCIC_R_DATA, (data));
272 	tcic_write_4(h, TCIC_R_ADDR, r_addr);
273 }
274 
275 static inline void tcic_sel_sock(struct tcic_handle *);
276 static inline void
277 tcic_sel_sock(h)
278 	struct tcic_handle *h;
279 {
280 	int r_addr;
281 	r_addr = tcic_read_2(h, TCIC_R_ADDR2);
282 	tcic_write_2(h, TCIC_R_ADDR2,
283 	    (h->sock<<TCIC_ADDR2_SS_SHFT)|(r_addr & ~TCIC_ADDR2_SS_MASK));
284 }
285 
286 static inline void tcic_wait_ready(struct tcic_handle *);
287 static inline void
288 tcic_wait_ready(h)
289 	struct tcic_handle *h;
290 {
291 	int i;
292 
293 	/* XXX appropriate socket must have been selected already. */
294 	for (i = 0; i < 10000; i++) {
295 		if (tcic_read_1(h, TCIC_R_SSTAT) & TCIC_SSTAT_RDY)
296 			return;
297 		delay(500);
298 	}
299 
300 #ifdef DIAGNOSTIC
301 	printf("tcic_wait_ready ready never happened\n");
302 #endif
303 }
304 
305 static inline int tcic_read_aux_1(bus_space_tag_t, bus_space_handle_t, int, int);
306 static inline int
307 tcic_read_aux_1(iot, ioh, auxreg, reg)
308 	bus_space_tag_t iot;
309 	bus_space_handle_t ioh;
310 	int auxreg;
311 {
312 	int mode, val;
313 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
314 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
315 	val = bus_space_read_1(iot, ioh, reg);
316 	return val;
317 }
318 
319 static inline int tcic_read_aux_2(bus_space_tag_t, bus_space_handle_t, int);
320 static inline int
321 tcic_read_aux_2(iot, ioh, auxreg)
322 	bus_space_tag_t iot;
323 	bus_space_handle_t ioh;
324 	int auxreg;
325 {
326 	int mode, val;
327 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
328 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
329 	val = bus_space_read_2(iot, ioh, TCIC_R_AUX);
330 	return val;
331 }
332 
333 static inline void tcic_write_aux_1(bus_space_tag_t, bus_space_handle_t, int, int, int);
334 static inline void
335 tcic_write_aux_1(iot, ioh, auxreg, reg, val)
336 	bus_space_tag_t iot;
337 	bus_space_handle_t ioh;
338 	int auxreg, reg, val;
339 {
340 	int mode;
341 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
342 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
343 	bus_space_write_1(iot, ioh, reg, val);
344 }
345 
346 static inline void tcic_write_aux_2(bus_space_tag_t, bus_space_handle_t, int, int);
347 static inline void
348 tcic_write_aux_2(iot, ioh, auxreg, val)
349 	bus_space_tag_t iot;
350 	bus_space_handle_t ioh;
351 	int auxreg, val;
352 {
353 	int mode;
354 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
355 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
356 	bus_space_write_2(iot, ioh, TCIC_R_AUX, val);
357 }
358 
359 #endif	/* _TCIC2VAR_H */
360