xref: /netbsd/sys/dev/cardbus/adv_cardbus.c (revision bf9ec67e)
1 /*	$NetBSD: adv_cardbus.c,v 1.5 2001/11/13 12:51:12 lukem Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9  * NASA Ames Research Center.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *	This product includes software developed by the NetBSD
22  *	Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 /*
41  * this file was brought from ahc_cardbus.c and adv_pci.c
42  * and modified by YAMAMOTO Takashi.
43  */
44 
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.5 2001/11/13 12:51:12 lukem Exp $");
47 
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/malloc.h>
51 #include <sys/kernel.h>
52 #include <sys/queue.h>
53 #include <sys/device.h>
54 
55 #include <machine/bus.h>
56 #include <machine/intr.h>
57 
58 #include <dev/scsipi/scsi_all.h>
59 #include <dev/scsipi/scsipi_all.h>
60 #include <dev/scsipi/scsiconf.h>
61 
62 #include <dev/pci/pcireg.h>
63 #include <dev/pci/pcidevs.h>
64 
65 #include <dev/cardbus/cardbusvar.h>
66 #include <dev/cardbus/cardbusdevs.h>
67 
68 #include <dev/ic/advlib.h>
69 #include <dev/ic/adv.h>
70 
71 #define ADV_CARDBUS_IOBA CARDBUS_BASE0_REG
72 #define ADV_CARDBUS_MMBA CARDBUS_BASE1_REG
73 
74 #define ADV_CARDBUS_DEBUG
75 #define ADV_CARDBUS_ALLOW_MEMIO
76 
77 #define DEVNAME(sc) sc->sc_dev.dv_xname
78 
79 struct adv_cardbus_softc {
80 	struct asc_softc sc_adv;	/* real ADV */
81 
82 	/* CardBus-specific goo. */
83 	cardbus_devfunc_t sc_ct;	/* our CardBus devfuncs */
84 	int	sc_intrline;		/* our interrupt line */
85 	cardbustag_t sc_tag;
86 
87 	int	sc_cbenable;		/* what CardBus access type to enable */
88 	int	sc_csr;			/* CSR bits */
89 	bus_size_t sc_size;
90 };
91 
92 int	adv_cardbus_match __P((struct device *, struct cfdata *, void *));
93 void	adv_cardbus_attach __P((struct device *, struct device *, void *));
94 int	adv_cardbus_detach __P((struct device *, int));
95 
96 struct cfattach adv_cardbus_ca = {
97 	sizeof(struct adv_cardbus_softc), adv_cardbus_match, adv_cardbus_attach,
98 	adv_cardbus_detach
99 };
100 
101 int
102 adv_cardbus_match(parent, match, aux)
103 	struct device *parent;
104 	struct cfdata *match;
105 	void *aux;
106 {
107 	struct cardbus_attach_args *ca = aux;
108 
109 	if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_ADVSYS &&
110 	    CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_ADVSYS_ULTRA)
111 		return (1);
112 
113 	return (0);
114 }
115 
116 void
117 adv_cardbus_attach(parent, self, aux)
118 	struct device *parent, *self;
119 	void *aux;
120 {
121 	struct cardbus_attach_args *ca = aux;
122 	struct adv_cardbus_softc *csc = (void *) self;
123 	struct asc_softc *sc = &csc->sc_adv;
124 	cardbus_devfunc_t ct = ca->ca_ct;
125 	cardbus_chipset_tag_t cc = ct->ct_cc;
126 	cardbus_function_tag_t cf = ct->ct_cf;
127 	bus_space_tag_t iot;
128 	bus_space_handle_t ioh;
129 	pcireg_t reg;
130 	u_int8_t latency = 0x20;
131 
132 	sc->sc_flags = 0;
133 
134 	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
135 		switch (PCI_PRODUCT(ca->ca_id)) {
136 		case PCI_PRODUCT_ADVSYS_1200A:
137 			printf(": AdvanSys ASC1200A SCSI adapter\n");
138 			latency = 0;
139 			break;
140 
141 		case PCI_PRODUCT_ADVSYS_1200B:
142 			printf(": AdvanSys ASC1200B SCSI adapter\n");
143 			latency = 0;
144 			break;
145 
146 		case PCI_PRODUCT_ADVSYS_ULTRA:
147 			switch (PCI_REVISION(ca->ca_class)) {
148 			case ASC_PCI_REVISION_3050:
149 				printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
150 				break;
151 
152 			case ASC_PCI_REVISION_3150:
153 				printf(": AdvanSys ABP-9xxU SCSI adapter\n");
154 				break;
155 			}
156 			break;
157 
158 		default:
159 			printf(": unknown model!\n");
160 			return;
161 		}
162 	}
163 
164 	csc->sc_ct = ct;
165 	csc->sc_tag = ca->ca_tag;
166 	csc->sc_intrline = ca->ca_intrline;
167 	csc->sc_cbenable = 0;
168 
169 	/*
170 	 * Map the device.
171 	 */
172 	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
173 
174 #ifdef ADV_CARDBUS_ALLOW_MEMIO
175 	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
176 	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
177 	    &iot, &ioh, NULL, &csc->sc_size) == 0) {
178 #ifdef ADV_CARDBUS_DEBUG
179 		printf("%s: memio enabled\n", DEVNAME(sc));
180 #endif
181 		csc->sc_cbenable = CARDBUS_MEM_ENABLE;
182 		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
183 	} else
184 #endif
185 	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
186 	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
187 #ifdef ADV_CARDBUS_DEBUG
188 		printf("%s: io enabled\n", DEVNAME(sc));
189 #endif
190 		csc->sc_cbenable = CARDBUS_IO_ENABLE;
191 		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
192 	} else {
193 		printf("%s: unable to map device registers\n",
194 		    DEVNAME(sc));
195 		return;
196 	}
197 
198 	/* Make sure the right access type is on the CardBus bridge. */
199 	(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
200 	(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
201 
202 	/* Enable the appropriate bits in the PCI CSR. */
203 	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
204 	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
205 	reg |= csc->sc_csr;
206 	cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
207 
208 	/*
209 	 * Make sure the latency timer is set to some reasonable
210 	 * value.
211 	 */
212 	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
213 	if (PCI_LATTIMER(reg) < latency) {
214 		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
215 		reg |= (latency << PCI_LATTIMER_SHIFT);
216 		cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
217 	}
218 
219 	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
220 	ASC_SET_CHIP_STATUS(iot, ioh, 0);
221 
222 	sc->sc_iot = iot;
223 	sc->sc_ioh = ioh;
224 	sc->sc_dmat = ca->ca_dmat;
225 	sc->pci_device_id = ca->ca_id;
226 	sc->bus_type = ASC_IS_PCI;
227 	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
228 
229 	/*
230 	 * Initialize the board
231 	 */
232 	if (adv_init(sc)) {
233 		printf("adv_init failed\n");
234 		return;
235 	}
236 
237 	/*
238 	 * Establish the interrupt.
239 	 */
240 	sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
241 	    adv_intr, sc);
242 	if (sc->sc_ih == NULL) {
243 		printf("%s: unable to establish interrupt at %d\n",
244 		    DEVNAME(sc), ca->ca_intrline);
245 		return;
246 	}
247 	printf("%s: interrupting at %d\n", DEVNAME(sc), ca->ca_intrline);
248 
249 	/*
250 	 * Attach.
251 	 */
252 	adv_attach(sc);
253 }
254 
255 int
256 adv_cardbus_detach(self, flags)
257 	struct device *self;
258 	int flags;
259 {
260 	struct adv_cardbus_softc *csc = (void*)self;
261 	struct asc_softc *sc = &csc->sc_adv;
262 
263 	int rv;
264 
265 	rv = adv_detach(sc, flags);
266 	if (rv)
267 		return rv;
268 
269 	if (sc->sc_ih) {
270 		cardbus_intr_disestablish(csc->sc_ct->ct_cc,
271 		    csc->sc_ct->ct_cf, sc->sc_ih);
272 		sc->sc_ih = 0;
273 	}
274 
275 	if (csc->sc_cbenable) {
276 #ifdef ADV_CARDBUS_ALLOW_MEMIO
277 		if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) {
278 			Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_MMBA,
279 			    sc->sc_iot, sc->sc_ioh, csc->sc_size);
280 		} else {
281 #endif
282 			Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_IOBA,
283 			    sc->sc_iot, sc->sc_ioh, csc->sc_size);
284 #ifdef ADV_CARDBUS_ALLOW_MEMIO
285 		}
286 #endif
287 		csc->sc_cbenable = 0;
288 	}
289 
290 	return 0;
291 }
292