xref: /netbsd-src/sys/dev/pci/adv_pci.c (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: adv_pci.c,v 1.18 2005/12/11 12:22:48 christos 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 1.18 2005/12/11 12:22:48 christos 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  * Check the slots looking for a board we recognise
96  * If we find one, note it's address (slot) and call
97  * the actual probe routine to check it out.
98  */
99 static int
100 adv_pci_match(struct device *parent, struct cfdata *match, void *aux)
101 {
102 	struct pci_attach_args *pa = aux;
103 
104 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
105 		switch (PCI_PRODUCT(pa->pa_id)) {
106 		case PCI_PRODUCT_ADVSYS_1200A:
107 		case PCI_PRODUCT_ADVSYS_1200B:
108 		case PCI_PRODUCT_ADVSYS_ULTRA:
109 			return (1);
110 		}
111 
112 	return 0;
113 }
114 
115 static void
116 adv_pci_attach(struct device *parent, struct device *self, void *aux)
117 {
118 	struct pci_attach_args *pa = aux;
119 	ASC_SOFTC      *sc = (void *) self;
120 	bus_space_tag_t iot;
121 	bus_space_handle_t ioh;
122 	pci_intr_handle_t ih;
123 	pci_chipset_tag_t pc = pa->pa_pc;
124 	u_int32_t       command;
125 	const char     *intrstr;
126 
127 	aprint_naive(": SCSI controller\n");
128 
129 	sc->sc_flags = 0x0;
130 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
131 		switch (PCI_PRODUCT(pa->pa_id)) {
132 		case PCI_PRODUCT_ADVSYS_1200A:
133 			aprint_normal(": AdvanSys ASC1200A SCSI adapter\n");
134 			break;
135 
136 		case PCI_PRODUCT_ADVSYS_1200B:
137 			aprint_normal(": AdvanSys ASC1200B SCSI adapter\n");
138 			break;
139 
140 		case PCI_PRODUCT_ADVSYS_ULTRA:
141 			switch (PCI_REVISION(pa->pa_class)) {
142 			case ASC_PCI_REVISION_3050:
143 				aprint_normal(
144 				    ": AdvanSys ABP-9xxUA SCSI adapter\n");
145 				break;
146 
147 			case ASC_PCI_REVISION_3150:
148 				aprint_normal(
149 				    ": AdvanSys ABP-9xxU SCSI adapter\n");
150 				break;
151 			}
152 			break;
153 
154 		default:
155 			aprint_error(": unknown model!\n");
156 			return;
157 		}
158 
159 
160 	/*
161 	 * Make sure IO/MEM/MASTER are enabled
162 	 */
163 	command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
164 	if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
165 			PCI_COMMAND_MASTER_ENABLE)) !=
166 	    (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
167 	     PCI_COMMAND_MASTER_ENABLE)) {
168 		pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
169 		 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
170 			    PCI_COMMAND_MASTER_ENABLE));
171 	}
172 	/*
173 	 * Latency timer settings.
174 	 */
175 	{
176 		u_int32_t       bhlcr;
177 
178 		bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
179 
180 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
181 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
182 			bhlcr &= 0xFFFF00FFul;
183 			pci_conf_write(pa->pa_pc, pa->pa_tag,
184 					PCI_BHLC_REG, bhlcr);
185 		} else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA)
186 			    && (PCI_LATTIMER(bhlcr) < 0x20)) {
187 			bhlcr &= 0xFFFF00FFul;
188 			bhlcr |= 0x00002000ul;
189 			pci_conf_write(pa->pa_pc, pa->pa_tag,
190 					PCI_BHLC_REG, bhlcr);
191 		}
192 	}
193 
194 
195 	/*
196 	 * Map Device Registers for I/O
197 	 */
198 	if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
199 			&iot, &ioh, NULL, NULL)) {
200 		aprint_error("%s: unable to map device registers\n",
201 		       sc->sc_dev.dv_xname);
202 		return;
203 	}
204 
205 	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
206 	ASC_SET_CHIP_STATUS(iot, ioh, 0);
207 
208 	sc->sc_iot = iot;
209 	sc->sc_ioh = ioh;
210 	sc->sc_dmat = pa->pa_dmat;
211 	sc->pci_device_id = pa->pa_id;
212 	sc->bus_type = ASC_IS_PCI;
213 	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
214 
215 	/*
216 	 * Initialize the board
217 	 */
218 	if (adv_init(sc))
219 		panic("adv_pci_attach: adv_init failed");
220 
221 	/*
222 	 * Map Interrupt line
223 	 */
224 	if (pci_intr_map(pa, &ih)) {
225 		aprint_error("%s: couldn't map interrupt\n",
226 		    sc->sc_dev.dv_xname);
227 		return;
228 	}
229 	intrstr = pci_intr_string(pc, ih);
230 
231 	/*
232 	 * Establish Interrupt handler
233 	 */
234 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc);
235 	if (sc->sc_ih == NULL) {
236 		aprint_error("%s: couldn't establish interrupt",
237 		    sc->sc_dev.dv_xname);
238 		if (intrstr != NULL)
239 			aprint_normal(" at %s", intrstr);
240 		aprint_normal("\n");
241 		return;
242 	}
243 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
244 
245 	/*
246 	 * Attach all the sub-devices we can find
247 	 */
248 	adv_attach(sc);
249 }
250 
251 CFATTACH_DECL(adv_pci, sizeof(ASC_SOFTC),
252     adv_pci_match, adv_pci_attach, NULL, NULL);
253