Annotation of sys/arch/arm/sa11x0/sa11x1_pcic.c, Revision 1.2
1.1 nbrk 1: /* $NetBSD: sa11x1_pcic.c,v 1.16 2007/10/17 19:53:43 garbled Exp $ */
2:
3: /*-
4: * Copyright (c) 2001 The NetBSD Foundation, Inc.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to The NetBSD Foundation
8: * by IWAMOTO Toshihiro.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the NetBSD
21: * Foundation, Inc. and its contributors.
22: * 4. Neither the name of The NetBSD Foundation nor the names of its
23: * contributors may be used to endorse or promote products derived
24: * from this software without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
39: #include <sys/cdefs.h>
40:
41: #include <sys/param.h>
42: #include <sys/systm.h>
43: #include <sys/types.h>
44: #include <sys/conf.h>
45: #include <sys/file.h>
46: #include <sys/device.h>
47: #include <sys/kernel.h>
48: #include <sys/kthread.h>
49: #include <sys/malloc.h>
1.2 ! nbrk 50: #include <sys/mutex.h>
1.1 nbrk 51:
52: #include <machine/bus.h>
53:
54: #include <dev/pcmcia/pcmciachip.h>
55: #include <dev/pcmcia/pcmciavar.h>
56: #include <arm/sa11x0/sa11x0_reg.h>
57: #include <arm/sa11x0/sa11x0_var.h>
58: #include <arm/sa11x0/sa1111_reg.h>
1.2 ! nbrk 59: #include <arm/sa11x0/sa11x1_var.h>
1.1 nbrk 60: #include <arm/sa11x0/sa11x1_pcicreg.h>
61: #include <arm/sa11x0/sa11xx_pcicvar.h>
62: #include <arm/sa11x0/sa11x1_pcicvar.h>
1.2 ! nbrk 63: #include <arm/sa11x0/sa1111_intr.h>
1.1 nbrk 64:
1.2 ! nbrk 65: //#include "sacpcic.h"
1.1 nbrk 66:
67: static int sacpcic_print(void *, const char *);
68:
1.2 ! nbrk 69: struct cfdriver sacpcic_cd = {
! 70: NULL,
! 71: "sacpcic",
! 72: DV_DULL
! 73: };
! 74:
! 75:
1.1 nbrk 76: void
77: sacpcic_attach_common(struct sacc_softc *psc, struct sacpcic_softc *sc,
78: void *aux, void (* socket_setup_hook)(struct sapcic_socket *))
79: {
80: int i;
81: struct pcmciabus_attach_args paa;
82:
1.2 ! nbrk 83: printf(": SA-11x1 CF/PCMCIA controller\n");
1.1 nbrk 84:
1.2 ! nbrk 85: sc->sc_pc.sc_iot = psc->sc_bust;
1.1 nbrk 86: sc->sc_ioh = psc->sc_ioh;
87:
88: for (i = 0; i < 2; i++) {
89: sc->sc_socket[i].sc = (struct sapcic_softc *)sc;
90: sc->sc_socket[i].socket = i;
91: sc->sc_socket[i].pcictag_cookie = psc;
92: sc->sc_socket[i].pcictag = NULL;
1.2 ! nbrk 93: // sc->sc_socket[i].event_thread = NULL;
1.1 nbrk 94: sc->sc_socket[i].event = 0;
95: sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID;
96: sc->sc_socket[i].shutdown = 0;
97:
98: socket_setup_hook(&sc->sc_socket[i]);
99:
100: paa.paa_busname = "pcmcia";
101: paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions;
102: paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i];
103: paa.iobase = 0;
104: paa.iosize = 0x4000000;
105:
106: sc->sc_socket[i].pcmcia =
1.2 ! nbrk 107: config_found(&sc->sc_pc.sc_dev, &paa,
1.1 nbrk 108: sacpcic_print);
109:
1.2 ! nbrk 110: // sa11x1_intr_establish(i ? IRQ_S1_CDVALID : IRQ_S0_CDVALID, IST_EDGE_RISING, sapcic_intr, &sc->sc_socket[i], "sapcicsock");
1.1 nbrk 111:
112: /* create kthread */
113: sapcic_kthread_create(&sc->sc_socket[i]);
114: #if 0 /* XXX */
115: /* establish_intr should be after creating the kthread */
116: config_interrupt(&sc->sc_socket[i], sapcic_config_intr);
117: #endif
118: }
119: }
120:
121: int
122: sacpcic_print(void *aux, const char *name)
123: {
124:
125: return UNCONF;
126: }
127:
128: int
129: sacpcic_read(struct sapcic_socket *so, int reg)
130: {
131: int cr, bit;
132: struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc;
133:
134: cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_SR);
135:
136: switch (reg) {
137: case SAPCIC_STATUS_CARD:
138: bit = (so->socket ? SR_S1_CARDDETECT : SR_S0_CARDDETECT) & cr;
139: if (bit)
140: return SAPCIC_CARD_INVALID;
141: else
142: return SAPCIC_CARD_VALID;
143:
144: case SAPCIC_STATUS_VS1:
145: bit = (so->socket ? SR_S1_VS1 : SR_S0_VS1);
146: return (bit & cr);
147:
148: case SAPCIC_STATUS_VS2:
149: bit = (so->socket ? SR_S1_VS2 : SR_S0_VS2);
150: return (bit & cr);
151:
152: case SAPCIC_STATUS_READY:
153: bit = (so->socket ? SR_S1_READY : SR_S0_READY);
154: return (bit & cr);
155:
156: default:
157: panic("sacpcic_read: bogus register");
158: }
159: }
160:
161: void
162: sacpcic_write(struct sapcic_socket *so, int reg, int arg)
163: {
164: int s, oldvalue, newvalue, mask;
165: struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc;
166:
167: s = splhigh();
168: oldvalue = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR);
169:
170: switch (reg) {
171: case SAPCIC_CONTROL_RESET:
172: mask = so->socket ? CR_S1_RST : CR_S0_RST;
173:
174: newvalue = (oldvalue & ~mask) | (arg ? mask : 0);
175: break;
176:
177: case SAPCIC_CONTROL_LINEENABLE:
178: mask = so->socket ? CR_S1_FLT : CR_S0_FLT;
179:
180: newvalue = (oldvalue & ~mask) | (arg ? mask : 0);
181: break;
182:
183: case SAPCIC_CONTROL_WAITENABLE:
184: mask = so->socket ? CR_S1_PWAITEN : CR_S0_PWAITEN;
185:
186: newvalue = (oldvalue & ~mask) | (arg ? mask : 0);
187: break;
188:
189: case SAPCIC_CONTROL_POWERSELECT:
190: mask = so->socket ? CR_S1_PSE : CR_S0_PSE;
191: newvalue = oldvalue & ~mask;
192:
193: switch (arg) {
194: case SAPCIC_POWER_3V:
195: break;
196: case SAPCIC_POWER_5V:
197: newvalue |= mask;
198: break;
199: default:
200: splx(s);
201: panic("sacpcic_write: bogus arg");
202: }
203: break;
204:
205: default:
206: splx(s);
207: panic("sacpcic_write: bogus register");
208: }
209: bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR, newvalue);
210: splx(s);
211: }
212:
213: void
214: sacpcic_clear_intr(int arg)
215: {
216: /* sacc_intr_dispatch takes care of intr status */
217: }
218:
219: void *
220: sacpcic_intr_establish(struct sapcic_socket *so, int level,
221: int (*ih_fun)(void *), void *ih_arg)
222: {
223: int irq;
224:
225: irq = so->socket ? IRQ_S1_READY : IRQ_S0_READY;
1.2 ! nbrk 226: // return sa11x1_intr_establish(irq, IST_EDGE_FALLING, ih_fun, ih_arg, "sapcicchil");
! 227: return NULL;
1.1 nbrk 228: }
229:
230: void
231: sacpcic_intr_disestablish(struct sapcic_socket *so, void *ih)
232: {
1.2 ! nbrk 233: sa11x1_intr_disestablish(ih);
1.1 nbrk 234: }
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