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ata-all.c (53719) ata-all.c (54270)
1/*-
2 * Copyright (c) 1998,1999 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
1/*-
2 * Copyright (c) 1998,1999 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/ata/ata-all.c 53719 1999-11-26 19:24:26Z sos $
28 * $FreeBSD: head/sys/dev/ata/ata-all.c 54270 1999-12-07 22:07:18Z sos $
29 */
30
31#include "ata.h"
32#include "apm.h"
33#include "isa.h"
34#include "pci.h"
35#include "atadisk.h"
36#include "atapicd.h"
37#include "atapifd.h"
38#include "atapist.h"
39#include "opt_global.h"
40#include "opt_ata.h"
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/kernel.h>
44#include <sys/disk.h>
45#include <sys/module.h>
46#include <sys/bus.h>
47#include <sys/buf.h>
48#include <sys/malloc.h>
49#include <sys/devicestat.h>
50#include <vm/vm.h>
51#include <vm/pmap.h>
52#include <machine/resource.h>
53#include <machine/bus.h>
54#include <sys/rman.h>
55#if NPCI > 0
56#include <pci/pcivar.h>
57#include <pci/pcireg.h>
58#endif
59#include <isa/isavar.h>
60#include <isa/isareg.h>
61#include <machine/clock.h>
62#ifdef __i386__
63#include <machine/smp.h>
64#include <i386/isa/intr_machdep.h>
65#endif
66#if NAPM > 0
67#include <machine/apm_bios.h>
68#endif
69#include <dev/ata/ata-all.h>
70#include <dev/ata/ata-disk.h>
71#include <dev/ata/atapi-all.h>
72
73/* misc defines */
74#if SMP == 0
75#define isa_apic_irq(x) x
76#endif
77#define IOMASK 0xfffffffc /* XXX SOS 0xfffc */
78
79/* prototypes */
80static int32_t ata_probe(int32_t, int32_t, int32_t, device_t, int32_t *);
81static void ataintr(void *);
82static int8_t *active2str(int32_t);
83
84/* local vars */
85static int32_t atanlun = 2;
86struct ata_softc *atadevices[MAXATA];
87static devclass_t ata_devclass;
88MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer");
89
90#if NISA > 0
91static struct isa_pnp_id ata_ids[] = {
92 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
93 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
94 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
95 {0x0306d041, "Generic ATA"}, /* PNP0603 */
96 {0}
97};
98
99static int
100ata_isaprobe(device_t dev)
101{
102 struct resource *port;
103 int rid;
104 int32_t ctlr, res;
105 int32_t lun;
106
107 /* Check isapnp ids */
108 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
109 return (ENXIO);
110
111 /* Allocate the port range */
112 rid = 0;
113 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
114 if (!port)
115 return (ENOMEM);
116
117 /* check if allready in use by a PCI device */
118 for (ctlr = 0; ctlr < atanlun; ctlr++) {
119 if (atadevices[ctlr] && atadevices[ctlr]->ioaddr==rman_get_start(port)){
120 printf("ata-isa%d: already registered as ata%d\n",
121 device_get_unit(dev), ctlr);
122 bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
123 return ENXIO;
124 }
125 }
126
127 lun = 0;
128 res = ata_probe(rman_get_start(port), rman_get_start(port) + ATA_ALTPORT,
129 0, dev, &lun);
130
131 bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
132
133 if (res) {
134 isa_set_portsize(dev, res);
135 *(int *)device_get_softc(dev) = lun;
136 return 0;
137 }
138 return ENXIO;
139}
140
141static int
142ata_isaattach(device_t dev)
143{
144 struct resource *port;
145 struct resource *irq;
146 void *ih;
147 int rid;
148
149 /* Allocate the port range and interrupt */
150 rid = 0;
151 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
152 if (!port)
153 return (ENOMEM);
154
155 rid = 0;
156 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
157 if (!irq) {
158 bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
159 return (ENOMEM);
160 }
161 return bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr,
162 atadevices[*(int *)device_get_softc(dev)], &ih);
163}
164
165static device_method_t ata_isa_methods[] = {
166 /* Device interface */
167 DEVMETHOD(device_probe, ata_isaprobe),
168 DEVMETHOD(device_attach, ata_isaattach),
169 { 0, 0 }
170};
171
172static driver_t ata_isa_driver = {
173 "ata",
174 ata_isa_methods,
175 sizeof(int),
176};
177
178DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
179#endif
180
181#if NPCI > 0
182static const char *
183ata_pcimatch(device_t dev)
184{
185 if (pci_get_class(dev) != PCIC_STORAGE)
186 return NULL;
187
188 switch (pci_get_devid(dev)) {
189 /* supported chipsets */
190 case 0x12308086:
29 */
30
31#include "ata.h"
32#include "apm.h"
33#include "isa.h"
34#include "pci.h"
35#include "atadisk.h"
36#include "atapicd.h"
37#include "atapifd.h"
38#include "atapist.h"
39#include "opt_global.h"
40#include "opt_ata.h"
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/kernel.h>
44#include <sys/disk.h>
45#include <sys/module.h>
46#include <sys/bus.h>
47#include <sys/buf.h>
48#include <sys/malloc.h>
49#include <sys/devicestat.h>
50#include <vm/vm.h>
51#include <vm/pmap.h>
52#include <machine/resource.h>
53#include <machine/bus.h>
54#include <sys/rman.h>
55#if NPCI > 0
56#include <pci/pcivar.h>
57#include <pci/pcireg.h>
58#endif
59#include <isa/isavar.h>
60#include <isa/isareg.h>
61#include <machine/clock.h>
62#ifdef __i386__
63#include <machine/smp.h>
64#include <i386/isa/intr_machdep.h>
65#endif
66#if NAPM > 0
67#include <machine/apm_bios.h>
68#endif
69#include <dev/ata/ata-all.h>
70#include <dev/ata/ata-disk.h>
71#include <dev/ata/atapi-all.h>
72
73/* misc defines */
74#if SMP == 0
75#define isa_apic_irq(x) x
76#endif
77#define IOMASK 0xfffffffc /* XXX SOS 0xfffc */
78
79/* prototypes */
80static int32_t ata_probe(int32_t, int32_t, int32_t, device_t, int32_t *);
81static void ataintr(void *);
82static int8_t *active2str(int32_t);
83
84/* local vars */
85static int32_t atanlun = 2;
86struct ata_softc *atadevices[MAXATA];
87static devclass_t ata_devclass;
88MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer");
89
90#if NISA > 0
91static struct isa_pnp_id ata_ids[] = {
92 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
93 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
94 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
95 {0x0306d041, "Generic ATA"}, /* PNP0603 */
96 {0}
97};
98
99static int
100ata_isaprobe(device_t dev)
101{
102 struct resource *port;
103 int rid;
104 int32_t ctlr, res;
105 int32_t lun;
106
107 /* Check isapnp ids */
108 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
109 return (ENXIO);
110
111 /* Allocate the port range */
112 rid = 0;
113 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
114 if (!port)
115 return (ENOMEM);
116
117 /* check if allready in use by a PCI device */
118 for (ctlr = 0; ctlr < atanlun; ctlr++) {
119 if (atadevices[ctlr] && atadevices[ctlr]->ioaddr==rman_get_start(port)){
120 printf("ata-isa%d: already registered as ata%d\n",
121 device_get_unit(dev), ctlr);
122 bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
123 return ENXIO;
124 }
125 }
126
127 lun = 0;
128 res = ata_probe(rman_get_start(port), rman_get_start(port) + ATA_ALTPORT,
129 0, dev, &lun);
130
131 bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
132
133 if (res) {
134 isa_set_portsize(dev, res);
135 *(int *)device_get_softc(dev) = lun;
136 return 0;
137 }
138 return ENXIO;
139}
140
141static int
142ata_isaattach(device_t dev)
143{
144 struct resource *port;
145 struct resource *irq;
146 void *ih;
147 int rid;
148
149 /* Allocate the port range and interrupt */
150 rid = 0;
151 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
152 if (!port)
153 return (ENOMEM);
154
155 rid = 0;
156 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
157 if (!irq) {
158 bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
159 return (ENOMEM);
160 }
161 return bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr,
162 atadevices[*(int *)device_get_softc(dev)], &ih);
163}
164
165static device_method_t ata_isa_methods[] = {
166 /* Device interface */
167 DEVMETHOD(device_probe, ata_isaprobe),
168 DEVMETHOD(device_attach, ata_isaattach),
169 { 0, 0 }
170};
171
172static driver_t ata_isa_driver = {
173 "ata",
174 ata_isa_methods,
175 sizeof(int),
176};
177
178DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
179#endif
180
181#if NPCI > 0
182static const char *
183ata_pcimatch(device_t dev)
184{
185 if (pci_get_class(dev) != PCIC_STORAGE)
186 return NULL;
187
188 switch (pci_get_devid(dev)) {
189 /* supported chipsets */
190 case 0x12308086:
191 return "Intel PIIX IDE controller";
191 return "Intel PIIX ATA controller";
192 case 0x70108086:
192 case 0x70108086:
193 return "Intel PIIX3 IDE controller";
193 return "Intel PIIX3 ATA controller";
194 case 0x71118086:
194 case 0x71118086:
195 return "Intel PIIX4 IDE controller";
195 return "Intel PIIX4 ATA controller";
196 case 0x522910b9:
196 case 0x522910b9:
197 return "AcerLabs Aladdin IDE controller";
197 return "AcerLabs Aladdin ATA controller";
198 case 0x4d33105a:
198 case 0x4d33105a:
199 return "Promise Ultra/33 IDE controller";
199 return "Promise Ultra/33 ATA controller";
200 case 0x4d38105a:
200 case 0x4d38105a:
201 return "Promise Ultra/66 IDE controller";
201 return "Promise Ultra/66 ATA controller";
202 case 0x00041103:
202 case 0x00041103:
203 return "HighPoint HPT366 IDE controller";
203 return "HighPoint HPT366 ATA controller";
204 case 0x05711106: /* 82c586 & 82c686 */
204 case 0x05711106: /* 82c586 & 82c686 */
205 return "VIA Apollo IDE controller";
205 switch (pci_read_config(dev, 0x08, 1)) {
206 case 1:
207 return "VIA 82C586 ATA controller";
208 case 6:
209 return "VIA 82C686 ATA controller";
210 }
211 return "VIA Apollo ATA controller";
206
207 /* unsupported but known chipsets, generic DMA only */
212
213 /* unsupported but known chipsets, generic DMA only */
208 case 0x05961106: /* 82c596 */
209 return "VIA Apollo IDE controller (generic mode)";
214 case 0x05961106:
215 return "VIA 82C596 ATA controller (generic mode)";
210 case 0x06401095:
216 case 0x06401095:
211 return "CMD 640 IDE controller (generic mode)";
217 return "CMD 640 ATA controller (generic mode)";
212 case 0x06461095:
218 case 0x06461095:
213 return "CMD 646 IDE controller (generic mode)";
219 return "CMD 646 ATA controller (generic mode)";
214 case 0xc6931080:
220 case 0xc6931080:
215 return "Cypress 82C693 IDE controller (generic mode)";
221 return "Cypress 82C693 ATA controller (generic mode)";
216 case 0x01021078:
222 case 0x01021078:
217 return "Cyrix 5530 IDE controller (generic mode)";
223 return "Cyrix 5530 ATA controller (generic mode)";
218 default:
219 if (pci_get_class(dev) == PCIC_STORAGE &&
220 (pci_get_subclass(dev) == PCIS_STORAGE_IDE))
224 default:
225 if (pci_get_class(dev) == PCIC_STORAGE &&
226 (pci_get_subclass(dev) == PCIS_STORAGE_IDE))
221 return "Unknown PCI IDE controller (generic mode)";
227 return "Unknown PCI ATA controller (generic mode)";
222 }
223 return NULL;
224}
225
226static int
227ata_pciprobe(device_t dev)
228{
229 const char *desc = ata_pcimatch(dev);
228 }
229 return NULL;
230}
231
232static int
233ata_pciprobe(device_t dev)
234{
235 const char *desc = ata_pcimatch(dev);
236
230 if (desc) {
231 device_set_desc(dev, desc);
232 return 0;
233 }
234 else
235 return ENXIO;
236}
237
238static int
239ata_pciattach(device_t dev)
240{
241 int unit = device_get_unit(dev);
242 struct ata_softc *scp;
243 u_int32_t type;
244 u_int8_t class, subclass;
245 u_int32_t cmd;
246 int32_t iobase_1, iobase_2, altiobase_1, altiobase_2;
247 int32_t bmaddr_1 = 0, bmaddr_2 = 0, irq1, irq2;
248 struct resource *irq = NULL;
249 int32_t lun;
250
251 /* set up vendor-specific stuff */
252 type = pci_get_devid(dev);
253 class = pci_get_class(dev);
254 subclass = pci_get_subclass(dev);
255 cmd = pci_read_config(dev, PCIR_COMMAND, 4);
256
257#ifdef ATA_DEBUG
258 printf("ata-pci%d: type=%08x class=%02x subclass=%02x cmd=%08x if=%02x\n",
259 unit, type, class, subclass, cmd, pci_get_progif(dev));
260#endif
261
262 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
263 iobase_1 = IO_WD1;
264 altiobase_1 = iobase_1 + ATA_ALTPORT;
265 irq1 = 14;
266 }
267 else {
268 iobase_1 = pci_read_config(dev, 0x10, 4) & IOMASK;
269 altiobase_1 = pci_read_config(dev, 0x14, 4) & IOMASK;
270 bmaddr_1 = pci_read_config(dev, 0x20, 4) & IOMASK;
271 irq1 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff;
272 }
273
274 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
275 iobase_2 = IO_WD2;
276 altiobase_2 = iobase_2 + ATA_ALTPORT;
277 irq2 = 15;
278 }
279 else {
280 iobase_2 = pci_read_config(dev, 0x18, 4) & IOMASK;
281 altiobase_2 = pci_read_config(dev, 0x1c, 4) & IOMASK;
282 bmaddr_2 = (pci_read_config(dev, 0x20, 4) & IOMASK) + ATA_BM_OFFSET1;
283 irq2 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff;
284 }
285
286 /* is this controller busmaster DMA capable ? */
287 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
288 /* is busmastering support turned on ? */
289 if ((pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4) & 5) == 5) {
290 /* is there a valid port range to connect to ? */
291 if ((bmaddr_1 = pci_read_config(dev, 0x20, 4) & IOMASK)) {
292 bmaddr_2 = bmaddr_1 + ATA_BM_OFFSET1;
293 printf("ata-pci%d: Busmastering DMA supported\n", unit);
294 }
295 else
296 printf("ata-pci%d: Busmastering DMA not configured\n", unit);
297 }
298 else
299 printf("ata-pci%d: Busmastering DMA not enabled\n", unit);
300 }
301 else {
302 if (type == 0x4d33105a || type == 0x4d38105a || type == 0x00041103) {
303 /* Promise and HPT366 controllers support busmastering DMA */
304 printf("ata-pci%d: Busmastering DMA supported\n", unit);
305 }
306 else {
307 /* we dont know this controller, disable busmastering DMA */
308 bmaddr_1 = bmaddr_2 = 0;
309 printf("ata-pci%d: Busmastering DMA not supported\n", unit);
310 }
311 }
312
313 /* do extra chipset specific setups */
314 switch (type) {
315 case 0x522910b9:
316 /* on the Aladdin activate the ATAPI FIFO */
317 pci_write_config(dev, 0x53,
318 (pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1);
319 break;
320
321 case 0x4d33105a:
322 case 0x4d38105a:
323 /* the Promise's need burst mode to be turned on explicitly */
324 outb(bmaddr_1 + 0x1f, inb(bmaddr_1 + 0x1f) | 0x01);
325 break;
326
327 case 0x05711106:
328 /* the VIA Apollo needs some sensible defaults */
329 /* set prefetch, postwrite */
330 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
331
332 /* set fifo configuration half'n'half */
333 pci_write_config(dev, 0x43,
334 (pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1);
335
336 /* set status register read retry */
337 pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1);
338
339 /* set DMA read & end-of-sector fifo flush */
340 pci_write_config(dev, 0x46,
341 (pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1);
342
343 /* set sector size */
344 pci_write_config(dev, 0x60, DEV_BSIZE, 2);
345 pci_write_config(dev, 0x68, DEV_BSIZE, 2);
346 break;
347 }
348
349 /* now probe the addresse found for "real" ATA/ATAPI hardware */
350 lun = 0;
351 if (iobase_1 && ata_probe(iobase_1, altiobase_1, bmaddr_1, dev, &lun)) {
352 scp = atadevices[lun];
353 if (iobase_1 == IO_WD1)
354#ifdef __i386__
355 inthand_add(device_get_nameunit(dev), irq1, ataintr, scp,
356 &bio_imask, INTR_EXCL);
357#endif
358#ifdef __alpha__
359 alpha_platform_setup_ide_intr(0, ataintr, scp);
360#endif
361 else {
362 int rid = 0;
363 void *ih;
364
365 if (!(irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
366 RF_SHAREABLE | RF_ACTIVE)))
367 printf("ata_pciattach: Unable to alloc interrupt\n");
368 bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, scp, &ih);
369 }
370 printf("ata%d at 0x%04x irq %d on ata-pci%d\n",
371 lun, iobase_1, isa_apic_irq(irq1), unit);
372 }
373 lun = 1;
374 if (iobase_2 && ata_probe(iobase_2, altiobase_2, bmaddr_2, dev, &lun)) {
375 scp = atadevices[lun];
376 if (iobase_2 == IO_WD2)
377#ifdef __i386__
378 inthand_add(device_get_nameunit(dev), irq2, ataintr, scp,
379 &bio_imask, INTR_EXCL);
380#endif
381#ifdef __alpha__
382 alpha_platform_setup_ide_intr(1, ataintr, scp);
383#endif
384 else {
385 int rid = 0;
386 void *ih;
387
388 if (irq1 != irq2 || irq == NULL) {
389 if (!(irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
390 RF_SHAREABLE | RF_ACTIVE)))
391 printf("ata_pciattach: Unable to alloc interrupt\n");
392 }
393 bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, scp, &ih);
394 }
395 printf("ata%d at 0x%04x irq %d on ata-pci%d\n",
396 lun, iobase_2, isa_apic_irq(irq2), unit);
397 }
398 return 0;
399}
400
401static device_method_t ata_pci_methods[] = {
402 /* Device interface */
403 DEVMETHOD(device_probe, ata_pciprobe),
404 DEVMETHOD(device_attach, ata_pciattach),
405 { 0, 0 }
406};
407
408static driver_t ata_pci_driver = {
409 "ata-pci",
410 ata_pci_methods,
411 sizeof(int),
412};
413
414DRIVER_MODULE(ata, pci, ata_pci_driver, ata_devclass, 0, 0);
415#endif
416
417static int32_t
418ata_probe(int32_t ioaddr, int32_t altioaddr, int32_t bmaddr,
419 device_t dev, int32_t *unit)
420{
421 struct ata_softc *scp;
422 int32_t lun, mask = 0;
423 u_int8_t status0, status1;
424
425 if (atanlun > MAXATA) {
426 printf("ata: unit out of range(%d)\n", atanlun);
427 return 0;
428 }
429
430 /* check if this is located at one of the std addresses */
431 if (ioaddr == IO_WD1)
432 lun = 0;
433 else if (ioaddr == IO_WD2)
434 lun = 1;
435 else
436 lun = atanlun++;
437
438 if ((scp = atadevices[lun])) {
439 printf("ata%d: unit already attached\n", lun);
440 return 0;
441 }
442 scp = malloc(sizeof(struct ata_softc), M_ATA, M_NOWAIT);
443 if (scp == NULL) {
444 printf("ata%d: failed to allocate driver storage\n", lun);
445 return 0;
446 }
447 bzero(scp, sizeof(struct ata_softc));
448
449 scp->ioaddr = ioaddr;
450 scp->altioaddr = altioaddr;
451 scp->lun = lun;
452 scp->unit = *unit;
453 scp->active = ATA_IDLE;
454
455 if (bootverbose)
456 printf("ata%d: iobase=0x%04x altiobase=0x%04x\n",
457 scp->lun, scp->ioaddr, scp->altioaddr);
458
459
460 /* do we have any signs of ATA/ATAPI HW being present ? */
461 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
462 DELAY(1);
463 status0 = inb(scp->ioaddr + ATA_STATUS);
464 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
465 DELAY(1);
466 status1 = inb(scp->ioaddr + ATA_STATUS);
467 if ((status0 & 0xf8) != 0xf8)
468 mask |= 0x01;
469 if ((status1 & 0xf8) != 0xf8)
470 mask |= 0x02;
471 if (bootverbose)
472 printf("ata%d: mask=%02x status0=%02x status1=%02x\n",
473 scp->lun, mask, status0, status1);
474 if (!mask) {
475 free(scp, M_DEVBUF);
476 return 0;
477 }
478 ata_reset(scp, &mask);
479 if (!mask) {
480 free(scp, M_DEVBUF);
481 return 0;
482 }
483 /*
484 * OK, we have at least one device on the chain,
485 * check for ATAPI signatures, if none check if its
486 * a good old ATA device.
487 */
488 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER));
489 DELAY(1);
490 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB &&
491 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) {
492 scp->devices |= ATA_ATAPI_MASTER;
493 }
494 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE));
495 DELAY(1);
496 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB &&
497 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) {
498 scp->devices |= ATA_ATAPI_SLAVE;
499 }
500 if (status0 != 0x00 && !(scp->devices & ATA_ATAPI_MASTER)) {
501 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER));
502 DELAY(1);
503 outb(scp->ioaddr + ATA_ERROR, 0x58);
504 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5);
505 if (inb(scp->ioaddr + ATA_ERROR) != 0x58 &&
506 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) {
507 scp->devices |= ATA_ATA_MASTER;
508 }
509 }
510 if (status1 != 0x00 && !(scp->devices & ATA_ATAPI_SLAVE)) {
511 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE));
512 DELAY(1);
513 outb(scp->ioaddr + ATA_ERROR, 0x58);
514 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5);
515 if (inb(scp->ioaddr + ATA_ERROR) != 0x58 &&
516 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) {
517 scp->devices |= ATA_ATA_SLAVE;
518 }
519 }
520 if (bootverbose)
521 printf("ata%d: devices = 0x%x\n", scp->lun, scp->devices);
522 if (!scp->devices) {
523 free(scp, M_DEVBUF);
524 return 0;
525 }
526 TAILQ_INIT(&scp->ata_queue);
527 TAILQ_INIT(&scp->atapi_queue);
528 *unit = scp->lun;
529 scp->dev = dev;
530 if (bmaddr)
531 scp->bmaddr = bmaddr;
532 atadevices[scp->lun] = scp;
533#if NAPM > 0
534 scp->resume_hook.ah_fun = (void *)ata_reinit;
535 scp->resume_hook.ah_arg = scp;
536 scp->resume_hook.ah_name = "ATA driver";
537 scp->resume_hook.ah_order = APM_MID_ORDER;
538 apm_hook_establish(APM_HOOK_RESUME, &scp->resume_hook);
539#endif
540 return ATA_IOSIZE;
541}
542
543static void
544ataintr(void *data)
545{
546 struct ata_softc *scp =(struct ata_softc *)data;
547
548 /* is this interrupt really for this channel */
549 if ((scp->flags & ATA_DMA_ACTIVE) &&
550 !(ata_dmastatus(scp) & ATA_BMSTAT_INTERRUPT))
551 return;
552
553 if (((scp->status = inb(scp->ioaddr+ATA_STATUS)) & ATA_S_BUSY)==ATA_S_BUSY)
554 return;
555
556 /* find & call the responsible driver to process this interrupt */
557 switch (scp->active) {
558#if NATADISK > 0
559 case ATA_ACTIVE_ATA:
560 if (!scp->running)
561 return;
562 if (ad_interrupt(scp->running) == ATA_OP_CONTINUES)
563 return;
564 break;
565#endif
566#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
567 case ATA_ACTIVE_ATAPI:
568 if (!scp->running)
569 return;
570 if (atapi_interrupt(scp->running) == ATA_OP_CONTINUES)
571 return;
572 break;
573#endif
574 case ATA_WAIT_INTR:
575 wakeup((caddr_t)scp);
576 break;
577
578 case ATA_WAIT_READY:
579 break;
580
581 case ATA_REINITING:
582 return;
583
584 default:
585 case ATA_IDLE:
586#ifdef ATA_DEBUG
587 {
588 static int32_t intr_count = 0;
589 if (intr_count++ < 10)
590 printf("ata%d: unwanted interrupt %d status = %02x\n",
591 scp->lun, intr_count, scp->status);
592 }
593#endif
594 return;
595 }
596 scp->active = ATA_IDLE;
597 scp->running = NULL;
598 ata_start(scp);
599}
600
601void
602ata_start(struct ata_softc *scp)
603{
604 struct ad_request *ad_request;
605 struct atapi_request *atapi_request;
606
607#ifdef ATA_DEBUG
608 printf("ata_start: entered\n");
609#endif
610 if (scp->active != ATA_IDLE)
611 return;
612
613#if NATADISK > 0
614 /* find & call the responsible driver if anything on the ATA queue */
615 if ((ad_request = TAILQ_FIRST(&scp->ata_queue))) {
616 TAILQ_REMOVE(&scp->ata_queue, ad_request, chain);
617 scp->active = ATA_ACTIVE_ATA;
618 scp->running = ad_request;
619 ad_transfer(ad_request);
620#ifdef ATA_DEBUG
621 printf("ata_start: started ata, leaving\n");
622#endif
623 return;
624 }
625#endif
626#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
627 /*
628 * find & call the responsible driver if anything on the ATAPI queue.
629 * check for device busy by polling the DSC bit, if busy, check
630 * for requests to the other device on the channel (if any).
631 * if the other device is an ATA disk it already had its chance above.
632 * if no request can be served, timeout a call to ata_start.
633 */
634 if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) {
635 struct atapi_softc *atp = atapi_request->device;
636 static int32_t interval = 1;
637
638 if (atp->flags & ATAPI_F_DSC_USED) {
639 outb(atp->controller->ioaddr + ATA_DRIVE, ATA_D_IBM | atp->unit);
640 DELAY(1);
641 if (!(inb(atp->controller->ioaddr + ATA_STATUS) & ATA_S_DSC)) {
642 while ((atapi_request = TAILQ_NEXT(atapi_request, chain))) {
643 if (atapi_request->device->unit != atp->unit) {
644 struct atapi_softc *tmp = atapi_request->device;
645
646 outb(tmp->controller->ioaddr + ATA_DRIVE,
647 ATA_D_IBM | tmp->unit);
648 DELAY(1);
649 if (!inb(tmp->controller->ioaddr+ATA_STATUS)&ATA_S_DSC)
650 atapi_request = NULL;
651 break;
652 }
653 }
654 }
655 if (!atapi_request) {
656 timeout((timeout_t *)ata_start, atp->controller, interval++);
657 return;
658 }
659 else
660 interval = 1;
661 }
662 TAILQ_REMOVE(&scp->atapi_queue, atapi_request, chain);
663 scp->active = ATA_ACTIVE_ATAPI;
664 scp->running = atapi_request;
665 atapi_transfer(atapi_request);
666#ifdef ATA_DEBUG
667 printf("ata_start: started atapi, leaving\n");
668#endif
669 return;
670 }
671#endif
672}
673
674void
675ata_reset(struct ata_softc *scp, int32_t *mask)
676{
677 int32_t timeout;
678 int8_t status0, status1;
679
680 /* reset channel */
681 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
682 DELAY(1);
683 inb(scp->ioaddr + ATA_STATUS);
684 outb(scp->altioaddr, ATA_A_IDS | ATA_A_RESET);
685 DELAY(10000);
686 outb(scp->altioaddr, ATA_A_IDS);
687 DELAY(10000);
688 inb(scp->ioaddr + ATA_ERROR);
689 DELAY(3000);
690
691 /* wait for BUSY to go inactive */
692 for (timeout = 0; timeout < 310000; timeout++) {
693 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
694 DELAY(1);
695 status0 = inb(scp->ioaddr + ATA_STATUS);
696 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
697 DELAY(1);
698 status1 = inb(scp->ioaddr + ATA_STATUS);
699 if (*mask == 0x01) /* wait for master only */
700 if (!(status0 & ATA_S_BUSY))
701 break;
702 if (*mask == 0x02) /* wait for slave only */
703 if (!(status1 & ATA_S_BUSY))
704 break;
705 if (*mask == 0x03) /* wait for both master & slave */
706 if (!(status0 & ATA_S_BUSY) && !(status1 & ATA_S_BUSY))
707 break;
708 DELAY(100);
709 }
710 DELAY(1);
711 outb(scp->altioaddr, ATA_A_4BIT);
712 if (status0 & ATA_S_BUSY)
713 *mask &= ~0x01;
714 if (status1 & ATA_S_BUSY)
715 *mask &= ~0x02;
716 if (bootverbose)
717 printf("ata%d: mask=%02x status0=%02x status1=%02x\n",
718 scp->lun, *mask, status0, status1);
719}
720
721int32_t
722ata_reinit(struct ata_softc *scp)
723{
724 int32_t mask = 0, omask;
725
726 scp->active = ATA_REINITING;
727 scp->running = NULL;
728 printf("ata%d: resetting devices .. ", scp->lun);
729 if (scp->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER))
730 mask |= 0x01;
731 if (scp->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE))
732 mask |= 0x02;
733 omask = mask;
734 ata_reset(scp, &mask);
735 if (omask != mask)
736 printf(" device dissapeared! %d ", omask & ~mask);
737
738#if NATADISK > 0
739 if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0])
740 ad_reinit((struct ad_softc *)scp->dev_softc[0]);
741 if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1])
742 ad_reinit((struct ad_softc *)scp->dev_softc[1]);
743#endif
744#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
745 if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0])
746 atapi_reinit((struct atapi_softc *)scp->dev_softc[0]);
747 if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1])
748 atapi_reinit((struct atapi_softc *)scp->dev_softc[1]);
749#endif
750 printf("done\n");
751 scp->active = ATA_IDLE;
752 ata_start(scp);
753 return 0;
754}
755
756int32_t
757ata_wait(struct ata_softc *scp, int32_t device, u_int8_t mask)
758{
759 u_int8_t status;
760 u_int32_t timeout = 0;
761
762 while (timeout <= 5000000) { /* timeout 5 secs */
763 status = inb(scp->ioaddr + ATA_STATUS);
764
765 /* if drive fails status, reselect the drive just to be sure */
766 if (status == 0xff) {
767 printf("ata%d: %s: no status, reselecting device\n",
768 scp->lun, device?"slave":"master");
769 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device);
770 DELAY(1);
771 status = inb(scp->ioaddr + ATA_STATUS);
772 }
773 if (status == 0xff)
774 return -1;
775 scp->status = status;
776 if (!(status & ATA_S_BUSY)) {
777 if (status & ATA_S_ERROR)
778 scp->error = inb(scp->ioaddr + ATA_ERROR);
779 if ((status & mask) == mask)
780 return (status & ATA_S_ERROR);
781 }
782 if (timeout > 1000) {
783 timeout += 1000;
784 DELAY(1000);
785 }
786 else {
787 timeout += 10;
788 DELAY(10);
789 }
790 }
791 return -1;
792}
793
794int32_t
795ata_command(struct ata_softc *scp, int32_t device, u_int32_t command,
796 u_int32_t cylinder, u_int32_t head, u_int32_t sector,
797 u_int32_t count, u_int32_t feature, int32_t flags)
798{
799#ifdef ATA_DEBUG
800 printf("ata%d: ata_command: addr=%04x, device=%02x, cmd=%02x, "
801 "c=%d, h=%d, s=%d, count=%d, flags=%02x\n",
802 scp->lun, scp->ioaddr, device, command,
803 cylinder, head, sector, count, flags);
804#endif
805
806 /* ready to issue command ? */
807 if (ata_wait(scp, device, 0) < 0) {
808 printf("ata%d-%s: timeout waiting to give command=%02x s=%02x e=%02x\n",
809 scp->lun, device ? "slave" : "master", command,
810 scp->status, scp->error);
811 return -1;
812 }
813 outb(scp->ioaddr + ATA_FEATURE, feature);
814 outb(scp->ioaddr + ATA_CYL_LSB, cylinder);
815 outb(scp->ioaddr + ATA_CYL_MSB, cylinder >> 8);
816 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device | head);
817 outb(scp->ioaddr + ATA_SECTOR, sector);
818 outb(scp->ioaddr + ATA_COUNT, count);
819
820 switch (flags) {
821 case ATA_WAIT_INTR:
822 if (scp->active != ATA_IDLE)
823 printf("WARNING: WAIT_INTR active=%s\n", active2str(scp->active));
824 scp->active = ATA_WAIT_INTR;
825 outb(scp->ioaddr + ATA_CMD, command);
826 if (tsleep((caddr_t)scp, PRIBIO, "atacmd", 500)) {
827 printf("ata_command: timeout waiting for interrupt\n");
828 scp->active = ATA_IDLE;
829 return -1;
830 }
831 break;
832
833 case ATA_WAIT_READY:
834 if (scp->active != ATA_IDLE && scp->active != ATA_REINITING)
835 printf("WARNING: WAIT_READY active=%s\n", active2str(scp->active));
836 scp->active = ATA_WAIT_READY;
837 outb(scp->ioaddr + ATA_CMD, command);
838 if (ata_wait(scp, device, ATA_S_READY) < 0) {
839 printf("ata%d-%s: timeout waiting for command=%02x s=%02x e=%02x\n",
840 scp->lun, device ? "slave" : "master", command,
841 scp->status, scp->error);
237 if (desc) {
238 device_set_desc(dev, desc);
239 return 0;
240 }
241 else
242 return ENXIO;
243}
244
245static int
246ata_pciattach(device_t dev)
247{
248 int unit = device_get_unit(dev);
249 struct ata_softc *scp;
250 u_int32_t type;
251 u_int8_t class, subclass;
252 u_int32_t cmd;
253 int32_t iobase_1, iobase_2, altiobase_1, altiobase_2;
254 int32_t bmaddr_1 = 0, bmaddr_2 = 0, irq1, irq2;
255 struct resource *irq = NULL;
256 int32_t lun;
257
258 /* set up vendor-specific stuff */
259 type = pci_get_devid(dev);
260 class = pci_get_class(dev);
261 subclass = pci_get_subclass(dev);
262 cmd = pci_read_config(dev, PCIR_COMMAND, 4);
263
264#ifdef ATA_DEBUG
265 printf("ata-pci%d: type=%08x class=%02x subclass=%02x cmd=%08x if=%02x\n",
266 unit, type, class, subclass, cmd, pci_get_progif(dev));
267#endif
268
269 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
270 iobase_1 = IO_WD1;
271 altiobase_1 = iobase_1 + ATA_ALTPORT;
272 irq1 = 14;
273 }
274 else {
275 iobase_1 = pci_read_config(dev, 0x10, 4) & IOMASK;
276 altiobase_1 = pci_read_config(dev, 0x14, 4) & IOMASK;
277 bmaddr_1 = pci_read_config(dev, 0x20, 4) & IOMASK;
278 irq1 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff;
279 }
280
281 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
282 iobase_2 = IO_WD2;
283 altiobase_2 = iobase_2 + ATA_ALTPORT;
284 irq2 = 15;
285 }
286 else {
287 iobase_2 = pci_read_config(dev, 0x18, 4) & IOMASK;
288 altiobase_2 = pci_read_config(dev, 0x1c, 4) & IOMASK;
289 bmaddr_2 = (pci_read_config(dev, 0x20, 4) & IOMASK) + ATA_BM_OFFSET1;
290 irq2 = pci_read_config(dev, PCI_INTERRUPT_REG, 4) & 0xff;
291 }
292
293 /* is this controller busmaster DMA capable ? */
294 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
295 /* is busmastering support turned on ? */
296 if ((pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4) & 5) == 5) {
297 /* is there a valid port range to connect to ? */
298 if ((bmaddr_1 = pci_read_config(dev, 0x20, 4) & IOMASK)) {
299 bmaddr_2 = bmaddr_1 + ATA_BM_OFFSET1;
300 printf("ata-pci%d: Busmastering DMA supported\n", unit);
301 }
302 else
303 printf("ata-pci%d: Busmastering DMA not configured\n", unit);
304 }
305 else
306 printf("ata-pci%d: Busmastering DMA not enabled\n", unit);
307 }
308 else {
309 if (type == 0x4d33105a || type == 0x4d38105a || type == 0x00041103) {
310 /* Promise and HPT366 controllers support busmastering DMA */
311 printf("ata-pci%d: Busmastering DMA supported\n", unit);
312 }
313 else {
314 /* we dont know this controller, disable busmastering DMA */
315 bmaddr_1 = bmaddr_2 = 0;
316 printf("ata-pci%d: Busmastering DMA not supported\n", unit);
317 }
318 }
319
320 /* do extra chipset specific setups */
321 switch (type) {
322 case 0x522910b9:
323 /* on the Aladdin activate the ATAPI FIFO */
324 pci_write_config(dev, 0x53,
325 (pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1);
326 break;
327
328 case 0x4d33105a:
329 case 0x4d38105a:
330 /* the Promise's need burst mode to be turned on explicitly */
331 outb(bmaddr_1 + 0x1f, inb(bmaddr_1 + 0x1f) | 0x01);
332 break;
333
334 case 0x05711106:
335 /* the VIA Apollo needs some sensible defaults */
336 /* set prefetch, postwrite */
337 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
338
339 /* set fifo configuration half'n'half */
340 pci_write_config(dev, 0x43,
341 (pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1);
342
343 /* set status register read retry */
344 pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1);
345
346 /* set DMA read & end-of-sector fifo flush */
347 pci_write_config(dev, 0x46,
348 (pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1);
349
350 /* set sector size */
351 pci_write_config(dev, 0x60, DEV_BSIZE, 2);
352 pci_write_config(dev, 0x68, DEV_BSIZE, 2);
353 break;
354 }
355
356 /* now probe the addresse found for "real" ATA/ATAPI hardware */
357 lun = 0;
358 if (iobase_1 && ata_probe(iobase_1, altiobase_1, bmaddr_1, dev, &lun)) {
359 scp = atadevices[lun];
360 if (iobase_1 == IO_WD1)
361#ifdef __i386__
362 inthand_add(device_get_nameunit(dev), irq1, ataintr, scp,
363 &bio_imask, INTR_EXCL);
364#endif
365#ifdef __alpha__
366 alpha_platform_setup_ide_intr(0, ataintr, scp);
367#endif
368 else {
369 int rid = 0;
370 void *ih;
371
372 if (!(irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
373 RF_SHAREABLE | RF_ACTIVE)))
374 printf("ata_pciattach: Unable to alloc interrupt\n");
375 bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, scp, &ih);
376 }
377 printf("ata%d at 0x%04x irq %d on ata-pci%d\n",
378 lun, iobase_1, isa_apic_irq(irq1), unit);
379 }
380 lun = 1;
381 if (iobase_2 && ata_probe(iobase_2, altiobase_2, bmaddr_2, dev, &lun)) {
382 scp = atadevices[lun];
383 if (iobase_2 == IO_WD2)
384#ifdef __i386__
385 inthand_add(device_get_nameunit(dev), irq2, ataintr, scp,
386 &bio_imask, INTR_EXCL);
387#endif
388#ifdef __alpha__
389 alpha_platform_setup_ide_intr(1, ataintr, scp);
390#endif
391 else {
392 int rid = 0;
393 void *ih;
394
395 if (irq1 != irq2 || irq == NULL) {
396 if (!(irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
397 RF_SHAREABLE | RF_ACTIVE)))
398 printf("ata_pciattach: Unable to alloc interrupt\n");
399 }
400 bus_setup_intr(dev, irq, INTR_TYPE_BIO, ataintr, scp, &ih);
401 }
402 printf("ata%d at 0x%04x irq %d on ata-pci%d\n",
403 lun, iobase_2, isa_apic_irq(irq2), unit);
404 }
405 return 0;
406}
407
408static device_method_t ata_pci_methods[] = {
409 /* Device interface */
410 DEVMETHOD(device_probe, ata_pciprobe),
411 DEVMETHOD(device_attach, ata_pciattach),
412 { 0, 0 }
413};
414
415static driver_t ata_pci_driver = {
416 "ata-pci",
417 ata_pci_methods,
418 sizeof(int),
419};
420
421DRIVER_MODULE(ata, pci, ata_pci_driver, ata_devclass, 0, 0);
422#endif
423
424static int32_t
425ata_probe(int32_t ioaddr, int32_t altioaddr, int32_t bmaddr,
426 device_t dev, int32_t *unit)
427{
428 struct ata_softc *scp;
429 int32_t lun, mask = 0;
430 u_int8_t status0, status1;
431
432 if (atanlun > MAXATA) {
433 printf("ata: unit out of range(%d)\n", atanlun);
434 return 0;
435 }
436
437 /* check if this is located at one of the std addresses */
438 if (ioaddr == IO_WD1)
439 lun = 0;
440 else if (ioaddr == IO_WD2)
441 lun = 1;
442 else
443 lun = atanlun++;
444
445 if ((scp = atadevices[lun])) {
446 printf("ata%d: unit already attached\n", lun);
447 return 0;
448 }
449 scp = malloc(sizeof(struct ata_softc), M_ATA, M_NOWAIT);
450 if (scp == NULL) {
451 printf("ata%d: failed to allocate driver storage\n", lun);
452 return 0;
453 }
454 bzero(scp, sizeof(struct ata_softc));
455
456 scp->ioaddr = ioaddr;
457 scp->altioaddr = altioaddr;
458 scp->lun = lun;
459 scp->unit = *unit;
460 scp->active = ATA_IDLE;
461
462 if (bootverbose)
463 printf("ata%d: iobase=0x%04x altiobase=0x%04x\n",
464 scp->lun, scp->ioaddr, scp->altioaddr);
465
466
467 /* do we have any signs of ATA/ATAPI HW being present ? */
468 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
469 DELAY(1);
470 status0 = inb(scp->ioaddr + ATA_STATUS);
471 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
472 DELAY(1);
473 status1 = inb(scp->ioaddr + ATA_STATUS);
474 if ((status0 & 0xf8) != 0xf8)
475 mask |= 0x01;
476 if ((status1 & 0xf8) != 0xf8)
477 mask |= 0x02;
478 if (bootverbose)
479 printf("ata%d: mask=%02x status0=%02x status1=%02x\n",
480 scp->lun, mask, status0, status1);
481 if (!mask) {
482 free(scp, M_DEVBUF);
483 return 0;
484 }
485 ata_reset(scp, &mask);
486 if (!mask) {
487 free(scp, M_DEVBUF);
488 return 0;
489 }
490 /*
491 * OK, we have at least one device on the chain,
492 * check for ATAPI signatures, if none check if its
493 * a good old ATA device.
494 */
495 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER));
496 DELAY(1);
497 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB &&
498 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) {
499 scp->devices |= ATA_ATAPI_MASTER;
500 }
501 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE));
502 DELAY(1);
503 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB &&
504 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) {
505 scp->devices |= ATA_ATAPI_SLAVE;
506 }
507 if (status0 != 0x00 && !(scp->devices & ATA_ATAPI_MASTER)) {
508 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER));
509 DELAY(1);
510 outb(scp->ioaddr + ATA_ERROR, 0x58);
511 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5);
512 if (inb(scp->ioaddr + ATA_ERROR) != 0x58 &&
513 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) {
514 scp->devices |= ATA_ATA_MASTER;
515 }
516 }
517 if (status1 != 0x00 && !(scp->devices & ATA_ATAPI_SLAVE)) {
518 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE));
519 DELAY(1);
520 outb(scp->ioaddr + ATA_ERROR, 0x58);
521 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5);
522 if (inb(scp->ioaddr + ATA_ERROR) != 0x58 &&
523 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) {
524 scp->devices |= ATA_ATA_SLAVE;
525 }
526 }
527 if (bootverbose)
528 printf("ata%d: devices = 0x%x\n", scp->lun, scp->devices);
529 if (!scp->devices) {
530 free(scp, M_DEVBUF);
531 return 0;
532 }
533 TAILQ_INIT(&scp->ata_queue);
534 TAILQ_INIT(&scp->atapi_queue);
535 *unit = scp->lun;
536 scp->dev = dev;
537 if (bmaddr)
538 scp->bmaddr = bmaddr;
539 atadevices[scp->lun] = scp;
540#if NAPM > 0
541 scp->resume_hook.ah_fun = (void *)ata_reinit;
542 scp->resume_hook.ah_arg = scp;
543 scp->resume_hook.ah_name = "ATA driver";
544 scp->resume_hook.ah_order = APM_MID_ORDER;
545 apm_hook_establish(APM_HOOK_RESUME, &scp->resume_hook);
546#endif
547 return ATA_IOSIZE;
548}
549
550static void
551ataintr(void *data)
552{
553 struct ata_softc *scp =(struct ata_softc *)data;
554
555 /* is this interrupt really for this channel */
556 if ((scp->flags & ATA_DMA_ACTIVE) &&
557 !(ata_dmastatus(scp) & ATA_BMSTAT_INTERRUPT))
558 return;
559
560 if (((scp->status = inb(scp->ioaddr+ATA_STATUS)) & ATA_S_BUSY)==ATA_S_BUSY)
561 return;
562
563 /* find & call the responsible driver to process this interrupt */
564 switch (scp->active) {
565#if NATADISK > 0
566 case ATA_ACTIVE_ATA:
567 if (!scp->running)
568 return;
569 if (ad_interrupt(scp->running) == ATA_OP_CONTINUES)
570 return;
571 break;
572#endif
573#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
574 case ATA_ACTIVE_ATAPI:
575 if (!scp->running)
576 return;
577 if (atapi_interrupt(scp->running) == ATA_OP_CONTINUES)
578 return;
579 break;
580#endif
581 case ATA_WAIT_INTR:
582 wakeup((caddr_t)scp);
583 break;
584
585 case ATA_WAIT_READY:
586 break;
587
588 case ATA_REINITING:
589 return;
590
591 default:
592 case ATA_IDLE:
593#ifdef ATA_DEBUG
594 {
595 static int32_t intr_count = 0;
596 if (intr_count++ < 10)
597 printf("ata%d: unwanted interrupt %d status = %02x\n",
598 scp->lun, intr_count, scp->status);
599 }
600#endif
601 return;
602 }
603 scp->active = ATA_IDLE;
604 scp->running = NULL;
605 ata_start(scp);
606}
607
608void
609ata_start(struct ata_softc *scp)
610{
611 struct ad_request *ad_request;
612 struct atapi_request *atapi_request;
613
614#ifdef ATA_DEBUG
615 printf("ata_start: entered\n");
616#endif
617 if (scp->active != ATA_IDLE)
618 return;
619
620#if NATADISK > 0
621 /* find & call the responsible driver if anything on the ATA queue */
622 if ((ad_request = TAILQ_FIRST(&scp->ata_queue))) {
623 TAILQ_REMOVE(&scp->ata_queue, ad_request, chain);
624 scp->active = ATA_ACTIVE_ATA;
625 scp->running = ad_request;
626 ad_transfer(ad_request);
627#ifdef ATA_DEBUG
628 printf("ata_start: started ata, leaving\n");
629#endif
630 return;
631 }
632#endif
633#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
634 /*
635 * find & call the responsible driver if anything on the ATAPI queue.
636 * check for device busy by polling the DSC bit, if busy, check
637 * for requests to the other device on the channel (if any).
638 * if the other device is an ATA disk it already had its chance above.
639 * if no request can be served, timeout a call to ata_start.
640 */
641 if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) {
642 struct atapi_softc *atp = atapi_request->device;
643 static int32_t interval = 1;
644
645 if (atp->flags & ATAPI_F_DSC_USED) {
646 outb(atp->controller->ioaddr + ATA_DRIVE, ATA_D_IBM | atp->unit);
647 DELAY(1);
648 if (!(inb(atp->controller->ioaddr + ATA_STATUS) & ATA_S_DSC)) {
649 while ((atapi_request = TAILQ_NEXT(atapi_request, chain))) {
650 if (atapi_request->device->unit != atp->unit) {
651 struct atapi_softc *tmp = atapi_request->device;
652
653 outb(tmp->controller->ioaddr + ATA_DRIVE,
654 ATA_D_IBM | tmp->unit);
655 DELAY(1);
656 if (!inb(tmp->controller->ioaddr+ATA_STATUS)&ATA_S_DSC)
657 atapi_request = NULL;
658 break;
659 }
660 }
661 }
662 if (!atapi_request) {
663 timeout((timeout_t *)ata_start, atp->controller, interval++);
664 return;
665 }
666 else
667 interval = 1;
668 }
669 TAILQ_REMOVE(&scp->atapi_queue, atapi_request, chain);
670 scp->active = ATA_ACTIVE_ATAPI;
671 scp->running = atapi_request;
672 atapi_transfer(atapi_request);
673#ifdef ATA_DEBUG
674 printf("ata_start: started atapi, leaving\n");
675#endif
676 return;
677 }
678#endif
679}
680
681void
682ata_reset(struct ata_softc *scp, int32_t *mask)
683{
684 int32_t timeout;
685 int8_t status0, status1;
686
687 /* reset channel */
688 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
689 DELAY(1);
690 inb(scp->ioaddr + ATA_STATUS);
691 outb(scp->altioaddr, ATA_A_IDS | ATA_A_RESET);
692 DELAY(10000);
693 outb(scp->altioaddr, ATA_A_IDS);
694 DELAY(10000);
695 inb(scp->ioaddr + ATA_ERROR);
696 DELAY(3000);
697
698 /* wait for BUSY to go inactive */
699 for (timeout = 0; timeout < 310000; timeout++) {
700 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
701 DELAY(1);
702 status0 = inb(scp->ioaddr + ATA_STATUS);
703 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
704 DELAY(1);
705 status1 = inb(scp->ioaddr + ATA_STATUS);
706 if (*mask == 0x01) /* wait for master only */
707 if (!(status0 & ATA_S_BUSY))
708 break;
709 if (*mask == 0x02) /* wait for slave only */
710 if (!(status1 & ATA_S_BUSY))
711 break;
712 if (*mask == 0x03) /* wait for both master & slave */
713 if (!(status0 & ATA_S_BUSY) && !(status1 & ATA_S_BUSY))
714 break;
715 DELAY(100);
716 }
717 DELAY(1);
718 outb(scp->altioaddr, ATA_A_4BIT);
719 if (status0 & ATA_S_BUSY)
720 *mask &= ~0x01;
721 if (status1 & ATA_S_BUSY)
722 *mask &= ~0x02;
723 if (bootverbose)
724 printf("ata%d: mask=%02x status0=%02x status1=%02x\n",
725 scp->lun, *mask, status0, status1);
726}
727
728int32_t
729ata_reinit(struct ata_softc *scp)
730{
731 int32_t mask = 0, omask;
732
733 scp->active = ATA_REINITING;
734 scp->running = NULL;
735 printf("ata%d: resetting devices .. ", scp->lun);
736 if (scp->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER))
737 mask |= 0x01;
738 if (scp->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE))
739 mask |= 0x02;
740 omask = mask;
741 ata_reset(scp, &mask);
742 if (omask != mask)
743 printf(" device dissapeared! %d ", omask & ~mask);
744
745#if NATADISK > 0
746 if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0])
747 ad_reinit((struct ad_softc *)scp->dev_softc[0]);
748 if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1])
749 ad_reinit((struct ad_softc *)scp->dev_softc[1]);
750#endif
751#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
752 if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0])
753 atapi_reinit((struct atapi_softc *)scp->dev_softc[0]);
754 if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1])
755 atapi_reinit((struct atapi_softc *)scp->dev_softc[1]);
756#endif
757 printf("done\n");
758 scp->active = ATA_IDLE;
759 ata_start(scp);
760 return 0;
761}
762
763int32_t
764ata_wait(struct ata_softc *scp, int32_t device, u_int8_t mask)
765{
766 u_int8_t status;
767 u_int32_t timeout = 0;
768
769 while (timeout <= 5000000) { /* timeout 5 secs */
770 status = inb(scp->ioaddr + ATA_STATUS);
771
772 /* if drive fails status, reselect the drive just to be sure */
773 if (status == 0xff) {
774 printf("ata%d: %s: no status, reselecting device\n",
775 scp->lun, device?"slave":"master");
776 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device);
777 DELAY(1);
778 status = inb(scp->ioaddr + ATA_STATUS);
779 }
780 if (status == 0xff)
781 return -1;
782 scp->status = status;
783 if (!(status & ATA_S_BUSY)) {
784 if (status & ATA_S_ERROR)
785 scp->error = inb(scp->ioaddr + ATA_ERROR);
786 if ((status & mask) == mask)
787 return (status & ATA_S_ERROR);
788 }
789 if (timeout > 1000) {
790 timeout += 1000;
791 DELAY(1000);
792 }
793 else {
794 timeout += 10;
795 DELAY(10);
796 }
797 }
798 return -1;
799}
800
801int32_t
802ata_command(struct ata_softc *scp, int32_t device, u_int32_t command,
803 u_int32_t cylinder, u_int32_t head, u_int32_t sector,
804 u_int32_t count, u_int32_t feature, int32_t flags)
805{
806#ifdef ATA_DEBUG
807 printf("ata%d: ata_command: addr=%04x, device=%02x, cmd=%02x, "
808 "c=%d, h=%d, s=%d, count=%d, flags=%02x\n",
809 scp->lun, scp->ioaddr, device, command,
810 cylinder, head, sector, count, flags);
811#endif
812
813 /* ready to issue command ? */
814 if (ata_wait(scp, device, 0) < 0) {
815 printf("ata%d-%s: timeout waiting to give command=%02x s=%02x e=%02x\n",
816 scp->lun, device ? "slave" : "master", command,
817 scp->status, scp->error);
818 return -1;
819 }
820 outb(scp->ioaddr + ATA_FEATURE, feature);
821 outb(scp->ioaddr + ATA_CYL_LSB, cylinder);
822 outb(scp->ioaddr + ATA_CYL_MSB, cylinder >> 8);
823 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device | head);
824 outb(scp->ioaddr + ATA_SECTOR, sector);
825 outb(scp->ioaddr + ATA_COUNT, count);
826
827 switch (flags) {
828 case ATA_WAIT_INTR:
829 if (scp->active != ATA_IDLE)
830 printf("WARNING: WAIT_INTR active=%s\n", active2str(scp->active));
831 scp->active = ATA_WAIT_INTR;
832 outb(scp->ioaddr + ATA_CMD, command);
833 if (tsleep((caddr_t)scp, PRIBIO, "atacmd", 500)) {
834 printf("ata_command: timeout waiting for interrupt\n");
835 scp->active = ATA_IDLE;
836 return -1;
837 }
838 break;
839
840 case ATA_WAIT_READY:
841 if (scp->active != ATA_IDLE && scp->active != ATA_REINITING)
842 printf("WARNING: WAIT_READY active=%s\n", active2str(scp->active));
843 scp->active = ATA_WAIT_READY;
844 outb(scp->ioaddr + ATA_CMD, command);
845 if (ata_wait(scp, device, ATA_S_READY) < 0) {
846 printf("ata%d-%s: timeout waiting for command=%02x s=%02x e=%02x\n",
847 scp->lun, device ? "slave" : "master", command,
848 scp->status, scp->error);
849 scp->active = ATA_IDLE;
842 return -1;
843 }
850 return -1;
851 }
852 scp->active = ATA_IDLE;
844 break;
845
846 case ATA_IMMEDIATE:
847 outb(scp->ioaddr + ATA_CMD, command);
848 break;
849
850 default:
851 printf("DANGER: illegal interrupt flag=%s\n", active2str(flags));
852 }
853#ifdef ATA_DEBUG
854 printf("ata_command: leaving\n");
855#endif
856 return 0;
857}
858
859int8_t *
860ata_mode2str(int32_t mode)
861{
862 switch (mode) {
863 case ATA_MODE_PIO:
864 return "PIO";
865 case ATA_MODE_WDMA2:
866 return "DMA";
867 case ATA_MODE_UDMA2:
868 return "UDMA33";
869 case ATA_MODE_UDMA3:
870 return "UDMA3";
871 case ATA_MODE_UDMA4:
872 return "UDMA66";
873 default:
874 return "???";
875 }
876}
877
878static int8_t *
879active2str(int32_t active)
880{
881 switch (active) {
882 case ATA_IDLE:
883 return("ATA_IDLE");
884 case ATA_WAIT_INTR:
885 return("ATA_WAIT_INTR");
886 case ATA_ACTIVE_ATA:
887 return("ATA_ACTIVE_ATA");
888 case ATA_ACTIVE_ATAPI:
889 return("ATA_ACTIVE_ATAPI");
890 case ATA_REINITING:
891 return("ATA_REINITING");
892 default:
893 return("UNKNOWN");
894 }
895}
896
897void
898bswap(int8_t *buf, int32_t len)
899{
900 u_int16_t *p = (u_int16_t*)(buf + len);
901
902 while (--p >= (u_int16_t*)buf)
903 *p = ntohs(*p);
904}
905
906void
907btrim(int8_t *buf, int32_t len)
908{
909 int8_t *p;
910
911 for (p = buf; p < buf+len; ++p)
912 if (!*p)
913 *p = ' ';
914 for (p = buf + len - 1; p >= buf && *p == ' '; --p)
915 *p = 0;
916}
917
918void
919bpack(int8_t *src, int8_t *dst, int32_t len)
920{
921 int32_t i, j, blank;
922
923 for (i = j = blank = 0 ; i < len-1; i++) {
924 if (blank && src[i] == ' ') continue;
925 if (blank && src[i] != ' ') {
926 dst[j++] = src[i];
927 blank = 0;
928 continue;
929 }
930 if (src[i] == ' ') {
931 blank = 1;
932 if (i == 0)
933 continue;
934 }
935 dst[j++] = src[i];
936 }
937 dst[j] = 0x00;
938}
853 break;
854
855 case ATA_IMMEDIATE:
856 outb(scp->ioaddr + ATA_CMD, command);
857 break;
858
859 default:
860 printf("DANGER: illegal interrupt flag=%s\n", active2str(flags));
861 }
862#ifdef ATA_DEBUG
863 printf("ata_command: leaving\n");
864#endif
865 return 0;
866}
867
868int8_t *
869ata_mode2str(int32_t mode)
870{
871 switch (mode) {
872 case ATA_MODE_PIO:
873 return "PIO";
874 case ATA_MODE_WDMA2:
875 return "DMA";
876 case ATA_MODE_UDMA2:
877 return "UDMA33";
878 case ATA_MODE_UDMA3:
879 return "UDMA3";
880 case ATA_MODE_UDMA4:
881 return "UDMA66";
882 default:
883 return "???";
884 }
885}
886
887static int8_t *
888active2str(int32_t active)
889{
890 switch (active) {
891 case ATA_IDLE:
892 return("ATA_IDLE");
893 case ATA_WAIT_INTR:
894 return("ATA_WAIT_INTR");
895 case ATA_ACTIVE_ATA:
896 return("ATA_ACTIVE_ATA");
897 case ATA_ACTIVE_ATAPI:
898 return("ATA_ACTIVE_ATAPI");
899 case ATA_REINITING:
900 return("ATA_REINITING");
901 default:
902 return("UNKNOWN");
903 }
904}
905
906void
907bswap(int8_t *buf, int32_t len)
908{
909 u_int16_t *p = (u_int16_t*)(buf + len);
910
911 while (--p >= (u_int16_t*)buf)
912 *p = ntohs(*p);
913}
914
915void
916btrim(int8_t *buf, int32_t len)
917{
918 int8_t *p;
919
920 for (p = buf; p < buf+len; ++p)
921 if (!*p)
922 *p = ' ';
923 for (p = buf + len - 1; p >= buf && *p == ' '; --p)
924 *p = 0;
925}
926
927void
928bpack(int8_t *src, int8_t *dst, int32_t len)
929{
930 int32_t i, j, blank;
931
932 for (i = j = blank = 0 ; i < len-1; i++) {
933 if (blank && src[i] == ' ') continue;
934 if (blank && src[i] != ' ') {
935 dst[j++] = src[i];
936 blank = 0;
937 continue;
938 }
939 if (src[i] == ' ') {
940 blank = 1;
941 if (i == 0)
942 continue;
943 }
944 dst[j++] = src[i];
945 }
946 dst[j] = 0x00;
947}