xref: /netbsd-src/sys/dev/pci/adv_pci.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: adv_pci.c,v 1.21 2007/10/19 12:00:38 ad 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 1.21 2007/10/19 12:00:38 ad 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 <sys/bus.h>
76 #include <sys/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,
101     void *aux)
102 {
103 	struct pci_attach_args *pa = aux;
104 
105 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
106 		switch (PCI_PRODUCT(pa->pa_id)) {
107 		case PCI_PRODUCT_ADVSYS_1200A:
108 		case PCI_PRODUCT_ADVSYS_1200B:
109 		case PCI_PRODUCT_ADVSYS_ULTRA:
110 			return (1);
111 		}
112 
113 	return 0;
114 }
115 
116 static void
117 adv_pci_attach(struct device *parent, struct device *self, void *aux)
118 {
119 	struct pci_attach_args *pa = aux;
120 	ASC_SOFTC      *sc = (void *) self;
121 	bus_space_tag_t iot;
122 	bus_space_handle_t ioh;
123 	pci_intr_handle_t ih;
124 	pci_chipset_tag_t pc = pa->pa_pc;
125 	u_int32_t       command;
126 	const char     *intrstr;
127 
128 	aprint_naive(": SCSI controller\n");
129 
130 	sc->sc_flags = 0x0;
131 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
132 		switch (PCI_PRODUCT(pa->pa_id)) {
133 		case PCI_PRODUCT_ADVSYS_1200A:
134 			aprint_normal(": AdvanSys ASC1200A SCSI adapter\n");
135 			break;
136 
137 		case PCI_PRODUCT_ADVSYS_1200B:
138 			aprint_normal(": AdvanSys ASC1200B SCSI adapter\n");
139 			break;
140 
141 		case PCI_PRODUCT_ADVSYS_ULTRA:
142 			switch (PCI_REVISION(pa->pa_class)) {
143 			case ASC_PCI_REVISION_3050:
144 				aprint_normal(
145 				    ": AdvanSys ABP-9xxUA SCSI adapter\n");
146 				break;
147 
148 			case ASC_PCI_REVISION_3150:
149 				aprint_normal(
150 				    ": AdvanSys ABP-9xxU SCSI adapter\n");
151 				break;
152 			}
153 			break;
154 
155 		default:
156 			aprint_error(": unknown model!\n");
157 			return;
158 		}
159 
160 
161 	/*
162 	 * Make sure IO/MEM/MASTER are enabled
163 	 */
164 	command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
165 	if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
166 			PCI_COMMAND_MASTER_ENABLE)) !=
167 	    (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
168 	     PCI_COMMAND_MASTER_ENABLE)) {
169 		pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
170 		 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
171 			    PCI_COMMAND_MASTER_ENABLE));
172 	}
173 	/*
174 	 * Latency timer settings.
175 	 */
176 	{
177 		u_int32_t       bhlcr;
178 
179 		bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
180 
181 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
182 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
183 			bhlcr &= 0xFFFF00FFul;
184 			pci_conf_write(pa->pa_pc, pa->pa_tag,
185 					PCI_BHLC_REG, bhlcr);
186 		} else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA)
187 			    && (PCI_LATTIMER(bhlcr) < 0x20)) {
188 			bhlcr &= 0xFFFF00FFul;
189 			bhlcr |= 0x00002000ul;
190 			pci_conf_write(pa->pa_pc, pa->pa_tag,
191 					PCI_BHLC_REG, bhlcr);
192 		}
193 	}
194 
195 
196 	/*
197 	 * Map Device Registers for I/O
198 	 */
199 	if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
200 			&iot, &ioh, NULL, NULL)) {
201 		aprint_error("%s: unable to map device registers\n",
202 		       sc->sc_dev.dv_xname);
203 		return;
204 	}
205 
206 	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
207 	ASC_SET_CHIP_STATUS(iot, ioh, 0);
208 
209 	sc->sc_iot = iot;
210 	sc->sc_ioh = ioh;
211 	sc->sc_dmat = pa->pa_dmat;
212 	sc->pci_device_id = pa->pa_id;
213 	sc->bus_type = ASC_IS_PCI;
214 	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
215 
216 	/*
217 	 * Initialize the board
218 	 */
219 	if (adv_init(sc))
220 		panic("adv_pci_attach: adv_init failed");
221 
222 	/*
223 	 * Map Interrupt line
224 	 */
225 	if (pci_intr_map(pa, &ih)) {
226 		aprint_error("%s: couldn't map interrupt\n",
227 		    sc->sc_dev.dv_xname);
228 		return;
229 	}
230 	intrstr = pci_intr_string(pc, ih);
231 
232 	/*
233 	 * Establish Interrupt handler
234 	 */
235 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc);
236 	if (sc->sc_ih == NULL) {
237 		aprint_error("%s: couldn't establish interrupt",
238 		    sc->sc_dev.dv_xname);
239 		if (intrstr != NULL)
240 			aprint_normal(" at %s", intrstr);
241 		aprint_normal("\n");
242 		return;
243 	}
244 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
245 
246 	/*
247 	 * Attach all the sub-devices we can find
248 	 */
249 	adv_attach(sc);
250 }
251 
252 CFATTACH_DECL(adv_pci, sizeof(ASC_SOFTC),
253     adv_pci_match, adv_pci_attach, NULL, NULL);
254