xref: /netbsd/sys/dev/pci/adv_pci.c (revision bf9ec67e)
1 /*	$NetBSD: adv_pci.c,v 1.10 2001/11/15 09:48:11 lukem Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
5  *
6  * Author: Baldassare Dante Profeta <dante@mclink.it>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *        This product includes software developed by the NetBSD
19  *        Foundation, Inc. and its contributors.
20  * 4. Neither the name of The NetBSD Foundation nor the names of its
21  *    contributors may be used to endorse or promote products derived
22  *    from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  */
36 /*
37  * Device probe and attach routines for the following
38  * Advanced Systems Inc. SCSI controllers:
39  *
40  *    Connectivity Products:
41  *      ABP920 - Bus-Master PCI (16 CDB)
42  *      ABP930 - Bus-Master PCI (16 CDB)		(Footnote 1)
43  *      ABP930U - Bus-Master PCI Ultra (16 CDB)
44  *      ABP930UA - Bus-Master PCI Ultra (16 CDB)
45  *      ABP960 - Bus-Master PCI MAC/PC (16 CDB)		(Footnote 2)
46  *      ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB)	(Footnote 2)
47  *
48  *   Single Channel Products:
49  *      ABP940 - Bus-Master PCI (240 CDB)
50  *      ABP940U - Bus-Master PCI Ultra (240 CDB)
51  *      ABP970 - Bus-Master PCI MAC/PC (240 CDB)
52  *      ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
53  *      ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB)
54  *
55  *   Multi Channel Products:
56  *      ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
57  *      ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
58  *      ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
59  *
60  *   Footnotes:
61  *     1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
62  *     2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
63  */
64 
65 #include <sys/cdefs.h>
66 __KERNEL_RCSID(0, "$NetBSD: adv_pci.c,v 1.10 2001/11/15 09:48:11 lukem Exp $");
67 
68 #include <sys/param.h>
69 #include <sys/systm.h>
70 #include <sys/malloc.h>
71 #include <sys/kernel.h>
72 #include <sys/queue.h>
73 #include <sys/device.h>
74 
75 #include <machine/bus.h>
76 #include <machine/intr.h>
77 
78 #include <dev/scsipi/scsi_all.h>
79 #include <dev/scsipi/scsipi_all.h>
80 #include <dev/scsipi/scsiconf.h>
81 
82 #include <dev/pci/pcireg.h>
83 #include <dev/pci/pcivar.h>
84 #include <dev/pci/pcidevs.h>
85 
86 #include <dev/ic/advlib.h>
87 #include <dev/ic/adv.h>
88 
89 /******************************************************************************/
90 
91 #define PCI_BASEADR_IO        0x10
92 
93 /******************************************************************************/
94 
95 int	adv_pci_match __P((struct device *, struct cfdata *, void *));
96 void	adv_pci_attach __P((struct device *, struct device *, void *));
97 
98 struct cfattach adv_pci_ca =
99 {
100 	sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
101 };
102 
103 /******************************************************************************/
104 /*
105  * Check the slots looking for a board we recognise
106  * If we find one, note it's address (slot) and call
107  * the actual probe routine to check it out.
108  */
109 int
110 adv_pci_match(parent, match, aux)
111 	struct device *parent;
112 	struct cfdata *match;
113 	void *aux;
114 {
115 	struct pci_attach_args *pa = aux;
116 
117 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
118 		switch (PCI_PRODUCT(pa->pa_id)) {
119 		case PCI_PRODUCT_ADVSYS_1200A:
120 		case PCI_PRODUCT_ADVSYS_1200B:
121 		case PCI_PRODUCT_ADVSYS_ULTRA:
122 			return (1);
123 		}
124 
125 	return 0;
126 }
127 
128 
129 void
130 adv_pci_attach(parent, self, aux)
131 	struct device *parent, *self;
132 	void *aux;
133 {
134 	struct pci_attach_args *pa = aux;
135 	ASC_SOFTC      *sc = (void *) self;
136 	bus_space_tag_t iot;
137 	bus_space_handle_t ioh;
138 	pci_intr_handle_t ih;
139 	pci_chipset_tag_t pc = pa->pa_pc;
140 	u_int32_t       command;
141 	const char     *intrstr;
142 
143 
144 	sc->sc_flags = 0x0;
145 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
146 		switch (PCI_PRODUCT(pa->pa_id)) {
147 		case PCI_PRODUCT_ADVSYS_1200A:
148 			printf(": AdvanSys ASC1200A SCSI adapter\n");
149 			break;
150 
151 		case PCI_PRODUCT_ADVSYS_1200B:
152 			printf(": AdvanSys ASC1200B SCSI adapter\n");
153 			break;
154 
155 		case PCI_PRODUCT_ADVSYS_ULTRA:
156 			switch (PCI_REVISION(pa->pa_class)) {
157 			case ASC_PCI_REVISION_3050:
158 				printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
159 				break;
160 
161 			case ASC_PCI_REVISION_3150:
162 				printf(": AdvanSys ABP-9xxU SCSI adapter\n");
163 				break;
164 			}
165 			break;
166 
167 		default:
168 			printf(": unknown model!\n");
169 			return;
170 		}
171 
172 
173 	/*
174 	 * Make sure IO/MEM/MASTER are enabled
175 	 */
176 	command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
177 	if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
178 			PCI_COMMAND_MASTER_ENABLE)) !=
179 	    (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
180 	     PCI_COMMAND_MASTER_ENABLE)) {
181 		pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
182 		 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
183 			    PCI_COMMAND_MASTER_ENABLE));
184 	}
185 	/*
186 	 * Latency timer settings.
187 	 */
188 	{
189 		u_int32_t       bhlcr;
190 
191 		bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
192 
193 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
194 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
195 			bhlcr &= 0xFFFF00FFul;
196 			pci_conf_write(pa->pa_pc, pa->pa_tag,
197 					PCI_BHLC_REG, bhlcr);
198 		} else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA)
199 			    && (PCI_LATTIMER(bhlcr) < 0x20)) {
200 			bhlcr &= 0xFFFF00FFul;
201 			bhlcr |= 0x00002000ul;
202 			pci_conf_write(pa->pa_pc, pa->pa_tag,
203 					PCI_BHLC_REG, bhlcr);
204 		}
205 	}
206 
207 
208 	/*
209 	 * Map Device Registers for I/O
210 	 */
211 	if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
212 			&iot, &ioh, NULL, NULL)) {
213 		printf("%s: unable to map device registers\n",
214 		       sc->sc_dev.dv_xname);
215 		return;
216 	}
217 
218 	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
219 	ASC_SET_CHIP_STATUS(iot, ioh, 0);
220 
221 	sc->sc_iot = iot;
222 	sc->sc_ioh = ioh;
223 	sc->sc_dmat = pa->pa_dmat;
224 	sc->pci_device_id = pa->pa_id;
225 	sc->bus_type = ASC_IS_PCI;
226 	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
227 
228 	/*
229 	 * Initialize the board
230 	 */
231 	if (adv_init(sc))
232 		panic("adv_pci_attach: adv_init failed");
233 
234 	/*
235 	 * Map Interrupt line
236 	 */
237 	if (pci_intr_map(pa, &ih)) {
238 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
239 		return;
240 	}
241 	intrstr = pci_intr_string(pc, ih);
242 
243 	/*
244 	 * Establish Interrupt handler
245 	 */
246 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc);
247 	if (sc->sc_ih == NULL) {
248 		printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
249 		if (intrstr != NULL)
250 			printf(" at %s", intrstr);
251 		printf("\n");
252 		return;
253 	}
254 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
255 
256 	/*
257 	 * Attach all the sub-devices we can find
258 	 */
259 	adv_attach(sc);
260 }
261 /******************************************************************************/
262