xref: /netbsd/sys/dev/ic/i82365var.h (revision bf9ec67e)
1 /*	$NetBSD: i82365var.h,v 1.16 2001/12/15 13:23:21 soren Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Marc Horowitz.
17  * 4. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/device.h>
33 #include <sys/callout.h>
34 #include <sys/lock.h>
35 
36 #include <dev/pcmcia/pcmciareg.h>
37 #include <dev/pcmcia/pcmciachip.h>
38 
39 #include <dev/ic/i82365reg.h>
40 
41 struct proc;
42 
43 struct pcic_event {
44 	SIMPLEQ_ENTRY(pcic_event) pe_q;
45 	int pe_type;
46 };
47 
48 /* pe_type */
49 #define	PCIC_EVENT_INSERTION	0
50 #define	PCIC_EVENT_REMOVAL	1
51 
52 struct pcic_handle {
53 	struct device *ph_parent;
54 	bus_space_tag_t ph_bus_t;	/* I/O or MEM?  I don't mind */
55 	bus_space_handle_t ph_bus_h;
56 	u_int8_t (*ph_read) __P((struct pcic_handle *, int));
57 	void (*ph_write) __P((struct pcic_handle *, int, u_int8_t));
58 
59 	int	vendor;		/* vendor of chip */
60 	int	chip;		/* chip index 0 or 1 */
61 	int	sock;
62 	int	flags;
63 	int	laststate;
64 	int	memalloc;
65 	struct {
66 		bus_addr_t	addr;
67 		bus_size_t	size;
68 		long		offset;
69 		int		kind;
70 	} mem[PCIC_MEM_WINS];
71 	int	ioalloc;
72 	struct {
73 		bus_addr_t	addr;
74 		bus_size_t	size;
75 		int		width;
76 	} io[PCIC_IO_WINS];
77 	int	ih_irq;
78 	struct device *pcmcia;
79 
80 	int shutdown;
81 	struct proc *event_thread;
82 	SIMPLEQ_HEAD(, pcic_event) events;
83 };
84 
85 #define	PCIC_FLAG_SOCKETP	0x0001
86 #define	PCIC_FLAG_CARDP		0x0002
87 #define	PCIC_FLAG_ENABLED	0x0004
88 
89 #define PCIC_LASTSTATE_PRESENT	0x0002
90 #define PCIC_LASTSTATE_HALF	0x0001
91 #define PCIC_LASTSTATE_EMPTY	0x0000
92 
93 #define	C0SA	0
94 #define	C0SB	PCIC_SOCKET_OFFSET
95 #define	C1SA	PCIC_CHIP_OFFSET
96 #define	C1SB	PCIC_CHIP_OFFSET + PCIC_SOCKET_OFFSET
97 
98 #define	PCIC_VENDOR_UNKNOWN		0
99 #define	PCIC_VENDOR_I82365SLR0		1
100 #define	PCIC_VENDOR_I82365SLR1		2
101 #define	PCIC_VENDOR_CIRRUS_PD6710	3
102 #define	PCIC_VENDOR_CIRRUS_PD672X	4
103 
104 /*
105  * This is sort of arbitrary.  It merely needs to be "enough". It can be
106  * overridden in the conf file, anyway.
107  */
108 
109 #define	PCIC_MEM_PAGES	4
110 #define	PCIC_MEMSIZE	PCIC_MEM_PAGES*PCIC_MEM_PAGESIZE
111 
112 #define	PCIC_NSLOTS	4
113 
114 struct pcic_softc {
115 	struct device dev;
116 
117 	bus_space_tag_t memt;
118 	bus_space_handle_t memh;
119 	bus_space_tag_t iot;
120 	bus_space_handle_t ioh;
121 
122 	struct callout poll_ch;
123 	int poll_established;
124 
125 	pcmcia_chipset_tag_t pct;
126 
127 	struct lock sc_pcic_lock;
128 
129 	/* this needs to be large enough to hold PCIC_MEM_PAGES bits */
130 	int	subregionmask;
131 #define PCIC_MAX_MEM_PAGES	(8 * sizeof(int))
132 
133 	/* used by memory window mapping functions */
134 	bus_addr_t membase;
135 
136 	/*
137 	 * used by io window mapping functions.  These can actually overlap
138 	 * with another pcic, since the underlying extent mapper will deal
139 	 * with individual allocations.  This is here to deal with the fact
140 	 * that different busses have different real widths (different pc
141 	 * hardware seems to use 10 or 12 bits for the I/O bus).
142 	 */
143 	bus_addr_t iobase;
144 	bus_addr_t iosize;
145 
146 	int	irq;
147 	void	*ih;
148 
149 	struct pcic_handle handle[PCIC_NSLOTS];
150 
151 	/* for use by underlying chip code for discovering irqs */
152 	int intr_detect, intr_false;
153 	int intr_mask[PCIC_NSLOTS / 2];	/* probed intterupts if possible */
154 };
155 
156 
157 int	pcic_ident_ok __P((int));
158 int	pcic_vendor __P((struct pcic_handle *));
159 char	*pcic_vendor_to_string __P((int));
160 
161 void	pcic_attach __P((struct pcic_softc *));
162 void	pcic_attach_sockets __P((struct pcic_softc *));
163 void	pcic_attach_sockets_finish __P((struct pcic_softc *));
164 int	pcic_intr __P((void *arg));
165 
166 /*
167 static inline int pcic_read __P((struct pcic_handle *, int));
168 static inline void pcic_write __P((struct pcic_handle *, int, u_int8_t));
169 */
170 
171 int	pcic_chip_mem_alloc __P((pcmcia_chipset_handle_t, bus_size_t,
172 	    struct pcmcia_mem_handle *));
173 void	pcic_chip_mem_free __P((pcmcia_chipset_handle_t,
174 	    struct pcmcia_mem_handle *));
175 int	pcic_chip_mem_map __P((pcmcia_chipset_handle_t, int, bus_addr_t,
176 	    bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *));
177 void	pcic_chip_mem_unmap __P((pcmcia_chipset_handle_t, int));
178 
179 int	pcic_chip_io_alloc __P((pcmcia_chipset_handle_t, bus_addr_t,
180 	    bus_size_t, bus_size_t, struct pcmcia_io_handle *));
181 void	pcic_chip_io_free __P((pcmcia_chipset_handle_t,
182 	    struct pcmcia_io_handle *));
183 int	pcic_chip_io_map __P((pcmcia_chipset_handle_t, int, bus_addr_t,
184 	    bus_size_t, struct pcmcia_io_handle *, int *));
185 void	pcic_chip_io_unmap __P((pcmcia_chipset_handle_t, int));
186 
187 void	pcic_chip_socket_enable __P((pcmcia_chipset_handle_t));
188 void	pcic_chip_socket_disable __P((pcmcia_chipset_handle_t));
189 
190 #if 0
191 
192 static __inline int pcic_read __P((struct pcic_handle *, int));
193 static __inline int
194 pcic_read(h, idx)
195 	struct pcic_handle *h;
196 	int idx;
197 {
198 	if (idx != -1)
199 		bus_space_write_1(h->sc->iot, h->sc->ioh, PCIC_REG_INDEX,
200 		    h->sock + idx);
201 	return (bus_space_read_1(h->sc->iot, h->sc->ioh, PCIC_REG_DATA));
202 }
203 
204 static __inline void pcic_write __P((struct pcic_handle *, int, int));
205 static __inline void
206 pcic_write(h, idx, data)
207 	struct pcic_handle *h;
208 	int idx;
209 	int data;
210 {
211 	if (idx != -1)
212 		bus_space_write_1(h->sc->iot, h->sc->ioh, PCIC_REG_INDEX,
213 		    h->sock + idx);
214 	bus_space_write_1(h->sc->iot, h->sc->ioh, PCIC_REG_DATA, (data));
215 }
216 #else
217 #define pcic_read(h, idx) \
218 	(*(h)->ph_read)((h), (idx))
219 
220 #define pcic_write(h, idx, data) \
221 	(*(h)->ph_write)((h), (idx), (data))
222 
223 #endif
224