xref: /netbsd/sys/dev/ic/tcic2var.h (revision bf9ec67e)
1 /*	$NetBSD: tcic2var.h,v 1.2 2001/12/15 13:23:22 soren 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 __P((u_int));
139 int	tcic_ns2wscnt __P((int));
140 
141 int	tcic_check_reserved_bits __P((bus_space_tag_t, bus_space_handle_t));
142 int	tcic_chipid __P((bus_space_tag_t, bus_space_handle_t));
143 int	tcic_chipid_known __P((int));
144 char	*tcic_chipid_to_string __P((int));
145 int	tcic_validirqs __P((int));
146 
147 void	tcic_attach __P((struct tcic_softc *));
148 void	tcic_attach_sockets __P((struct tcic_softc *));
149 int	tcic_intr __P((void *arg));
150 
151 static __inline__ int tcic_read_1 __P((struct tcic_handle *, int));
152 static __inline__ int tcic_read_2 __P((struct tcic_handle *, int));
153 static __inline__ int tcic_read_4 __P((struct tcic_handle *, int));
154 static __inline__ void tcic_write_1 __P((struct tcic_handle *, int, int));
155 static __inline__ void tcic_write_2 __P((struct tcic_handle *, int, int));
156 static __inline__ void tcic_write_4 __P((struct tcic_handle *, int, int));
157 static __inline__ int tcic_read_ind_2 __P((struct tcic_handle *, int));
158 static __inline__ void tcic_write_ind_2 __P((struct tcic_handle *, int, int));
159 static __inline__ void tcic_sel_sock __P((struct tcic_handle *));
160 static __inline__ void tcic_wait_ready __P((struct tcic_handle *));
161 static __inline__ int tcic_read_aux_1 __P((bus_space_tag_t, bus_space_handle_t, int, int));
162 static __inline__ int tcic_read_aux_2 __P((bus_space_tag_t, bus_space_handle_t, int));
163 static __inline__ void tcic_write_aux_1 __P((bus_space_tag_t, bus_space_handle_t, int, int, int));
164 static __inline__ void tcic_write_aux_2 __P((bus_space_tag_t, bus_space_handle_t, int, int));
165 
166 int	tcic_chip_mem_alloc __P((pcmcia_chipset_handle_t, bus_size_t,
167 	    struct pcmcia_mem_handle *));
168 void	tcic_chip_mem_free __P((pcmcia_chipset_handle_t,
169 	    struct pcmcia_mem_handle *));
170 int	tcic_chip_mem_map __P((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 __P((pcmcia_chipset_handle_t, int));
173 
174 int	tcic_chip_io_alloc __P((pcmcia_chipset_handle_t, bus_addr_t,
175 	    bus_size_t, bus_size_t, struct pcmcia_io_handle *));
176 void	tcic_chip_io_free __P((pcmcia_chipset_handle_t,
177 	    struct pcmcia_io_handle *));
178 int	tcic_chip_io_map __P((pcmcia_chipset_handle_t, int, bus_addr_t,
179 	    bus_size_t, struct pcmcia_io_handle *, int *));
180 void	tcic_chip_io_unmap __P((pcmcia_chipset_handle_t, int));
181 
182 void	tcic_chip_socket_enable __P((pcmcia_chipset_handle_t));
183 void	tcic_chip_socket_disable __P((pcmcia_chipset_handle_t));
184 
185 static __inline__ int tcic_read_1 __P((struct tcic_handle *, int));
186 static __inline__ int
187 tcic_read_1(h, reg)
188 	struct tcic_handle *h;
189 	int reg;
190 {
191 	return (bus_space_read_1(h->sc->iot, h->sc->ioh, reg));
192 }
193 
194 static __inline__ int tcic_read_2 __P((struct tcic_handle *, int));
195 static __inline__ int
196 tcic_read_2(h, reg)
197 	struct tcic_handle *h;
198 	int reg;
199 {
200 	return (bus_space_read_2(h->sc->iot, h->sc->ioh, reg));
201 }
202 
203 static __inline__ int tcic_read_4 __P((struct tcic_handle *, int));
204 static __inline__ int
205 tcic_read_4(h, reg)
206 	struct tcic_handle *h;
207 	int reg;
208 {
209 	int val;
210 	val = bus_space_read_2(h->sc->iot, h->sc->ioh, reg);
211 	val |= bus_space_read_2(h->sc->iot, h->sc->ioh, reg+2) << 16;
212 	return val;
213 }
214 
215 static __inline__ void tcic_write_1 __P((struct tcic_handle *, int, int));
216 static __inline__ void
217 tcic_write_1(h, reg, data)
218 	struct tcic_handle *h;
219 	int reg;
220 	int data;
221 {
222 	bus_space_write_1(h->sc->iot, h->sc->ioh, reg, (data));
223 }
224 
225 static __inline__ void tcic_write_2 __P((struct tcic_handle *, int, int));
226 static __inline__ void
227 tcic_write_2(h, reg, data)
228 	struct tcic_handle *h;
229 	int reg;
230 	int data;
231 {
232 	bus_space_write_2(h->sc->iot, h->sc->ioh, reg, (data));
233 }
234 
235 static __inline__ void tcic_write_4 __P((struct tcic_handle *, int, int));
236 static __inline__ void
237 tcic_write_4(h, reg, data)
238 	struct tcic_handle *h;
239 	int reg;
240 	int data;
241 {
242 	bus_space_write_2(h->sc->iot, h->sc->ioh, reg, (data));
243 	bus_space_write_2(h->sc->iot, h->sc->ioh, reg+2, (data)>>16);
244 }
245 
246 static __inline__ int tcic_read_ind_2 __P((struct tcic_handle *, int));
247 static __inline__ int
248 tcic_read_ind_2(h, reg)
249 	struct tcic_handle *h;
250 	int reg;
251 {
252 	int r_addr, val;
253 	r_addr = tcic_read_4(h, TCIC_R_ADDR);
254 	tcic_write_4(h, TCIC_R_ADDR, reg|TCIC_ADDR_INDREG);
255 	val = bus_space_read_2(h->sc->iot, h->sc->ioh, TCIC_R_DATA);
256 	tcic_write_4(h, TCIC_R_ADDR, r_addr);
257 	return val;
258 }
259 
260 static __inline__ void tcic_write_ind_2 __P((struct tcic_handle *, int, int));
261 static __inline__ void
262 tcic_write_ind_2(h, reg, data)
263 	struct tcic_handle *h;
264 	int reg;
265 	int data;
266 {
267 	int r_addr;
268 	r_addr = tcic_read_4(h, TCIC_R_ADDR);
269 	tcic_write_4(h, TCIC_R_ADDR, reg|TCIC_ADDR_INDREG);
270 	bus_space_write_2(h->sc->iot, h->sc->ioh, TCIC_R_DATA, (data));
271 	tcic_write_4(h, TCIC_R_ADDR, r_addr);
272 }
273 
274 static __inline__ void tcic_sel_sock __P((struct tcic_handle *));
275 static __inline__ void
276 tcic_sel_sock(h)
277 	struct tcic_handle *h;
278 {
279 	int r_addr;
280 	r_addr = tcic_read_2(h, TCIC_R_ADDR2);
281 	tcic_write_2(h, TCIC_R_ADDR2,
282 	    (h->sock<<TCIC_ADDR2_SS_SHFT)|(r_addr & ~TCIC_ADDR2_SS_MASK));
283 }
284 
285 static __inline__ void tcic_wait_ready __P((struct tcic_handle *));
286 static __inline__ void
287 tcic_wait_ready(h)
288 	struct tcic_handle *h;
289 {
290 	int i;
291 
292 	/* XXX appropriate socket must have been selected already. */
293 	for (i = 0; i < 10000; i++) {
294 		if (tcic_read_1(h, TCIC_R_SSTAT) & TCIC_SSTAT_RDY)
295 			return;
296 		delay(500);
297 	}
298 
299 #ifdef DIAGNOSTIC
300 	printf("tcic_wait_ready ready never happened\n");
301 #endif
302 }
303 
304 static __inline__ int tcic_read_aux_1 __P((bus_space_tag_t, bus_space_handle_t, int, int));
305 static __inline__ int
306 tcic_read_aux_1(iot, ioh, auxreg, reg)
307 	bus_space_tag_t iot;
308 	bus_space_handle_t ioh;
309 	int auxreg;
310 {
311 	int mode, val;
312 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
313 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
314 	val = bus_space_read_1(iot, ioh, reg);
315 	return val;
316 }
317 
318 static __inline__ int tcic_read_aux_2 __P((bus_space_tag_t, bus_space_handle_t, int));
319 static __inline__ int
320 tcic_read_aux_2(iot, ioh, auxreg)
321 	bus_space_tag_t iot;
322 	bus_space_handle_t ioh;
323 	int auxreg;
324 {
325 	int mode, val;
326 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
327 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
328 	val = bus_space_read_2(iot, ioh, TCIC_R_AUX);
329 	return val;
330 }
331 
332 static __inline__ void tcic_write_aux_1 __P((bus_space_tag_t, bus_space_handle_t, int, int, int));
333 static __inline__ void
334 tcic_write_aux_1(iot, ioh, auxreg, reg, val)
335 	bus_space_tag_t iot;
336 	bus_space_handle_t ioh;
337 	int auxreg, reg, val;
338 {
339 	int mode;
340 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
341 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
342 	bus_space_write_1(iot, ioh, reg, val);
343 }
344 
345 static __inline__ void tcic_write_aux_2 __P((bus_space_tag_t, bus_space_handle_t, int, int));
346 static __inline__ void
347 tcic_write_aux_2(iot, ioh, auxreg, val)
348 	bus_space_tag_t iot;
349 	bus_space_handle_t ioh;
350 	int auxreg, val;
351 {
352 	int mode;
353 	mode = bus_space_read_1(iot, ioh, TCIC_R_MODE);
354 	bus_space_write_1(iot, ioh, TCIC_R_MODE, (mode & ~TCIC_AR_MASK)|auxreg);
355 	bus_space_write_2(iot, ioh, TCIC_R_AUX, val);
356 }
357 
358 #endif	/* _TCIC2VAR_H */
359