xref: /netbsd-src/sys/dev/pci/jmide.c (revision 3816d47b2c42fcd6e549e3407f842a5b1a1d23ad) 
1 /*	$NetBSD: jmide.c,v 1.7 2009/10/19 18:41:15 bouyer Exp $	*/
2 
3 /*
4  * Copyright (c) 2007 Manuel Bouyer.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
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  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: jmide.c,v 1.7 2009/10/19 18:41:15 bouyer Exp $");
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/malloc.h>
33 
34 #include <dev/pci/pcivar.h>
35 #include <dev/pci/pcidevs.h>
36 #include <dev/pci/pciidereg.h>
37 #include <dev/pci/pciidevar.h>
38 
39 #include <dev/pci/jmide_reg.h>
40 
41 #include <dev/ic/ahcisatavar.h>
42 
43 #include "jmide.h"
44 
45 static const struct jmide_product *jmide_lookup(pcireg_t);
46 
47 static int  jmide_match(device_t, cfdata_t, void *);
48 static void jmide_attach(device_t, device_t, void *);
49 static int  jmide_intr(void *);
50 
51 static void jmpata_chip_map(struct pciide_softc*, struct pci_attach_args*);
52 static void jmpata_setup_channel(struct ata_channel*);
53 
54 static int  jmahci_print(void *, const char *);
55 
56 struct jmide_product {
57 	u_int32_t jm_product;
58 	int jm_npata;
59 	int jm_nsata;
60 };
61 
62 static const struct jmide_product jm_products[] =  {
63 	{ PCI_PRODUCT_JMICRON_JMB360,
64 	  0,
65 	  1
66 	},
67 	{ PCI_PRODUCT_JMICRON_JMB361,
68 	  1,
69 	  1
70 	},
71 	{ PCI_PRODUCT_JMICRON_JMB363,
72 	  1,
73 	  2
74 	},
75 	{ PCI_PRODUCT_JMICRON_JMB365,
76 	  2,
77 	  1
78 	},
79 	{ PCI_PRODUCT_JMICRON_JMB366,
80 	  2,
81 	  2
82 	},
83 	{ PCI_PRODUCT_JMICRON_JMB368,
84 	  1,
85 	  0
86 	},
87 	{ 0,
88 	  0,
89 	  0
90 	}
91 };
92 
93 typedef enum {
94 	TYPE_INVALID = 0,
95 	TYPE_PATA,
96 	TYPE_SATA,
97 	TYPE_NONE
98 } jmchan_t;
99 
100 struct jmide_softc {
101 	struct pciide_softc sc_pciide;
102 	device_t sc_ahci;
103 	int sc_npata;
104 	int sc_nsata;
105 	jmchan_t sc_chan_type[PCIIDE_NUM_CHANNELS];
106 	int sc_chan_swap;
107 };
108 
109 struct jmahci_attach_args {
110 	struct pci_attach_args *jma_pa;
111 	bus_space_tag_t jma_ahcit;
112 	bus_space_handle_t jma_ahcih;
113 };
114 
115 #define JM_NAME(sc) (device_xname(sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev))
116 
117 CFATTACH_DECL_NEW(jmide, sizeof(struct jmide_softc),
118     jmide_match, jmide_attach, NULL, NULL);
119 
120 static const struct jmide_product *
121 jmide_lookup(pcireg_t id) {
122 	const struct jmide_product *jp;
123 
124 	for (jp = jm_products; jp->jm_product != 0; jp++) {
125 		if (jp->jm_product == PCI_PRODUCT(id))
126 			return jp;
127 	}
128 	return NULL;
129 }
130 
131 static int
132 jmide_match(device_t parent, cfdata_t match, void *aux)
133 {
134 	struct pci_attach_args *pa = aux;
135 
136 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_JMICRON) {
137 		if (jmide_lookup(pa->pa_id))
138 			return (4); /* highter than ahcisata */
139 	}
140 	return (0);
141 }
142 
143 static void
144 jmide_attach(device_t parent, device_t self, void *aux)
145 {
146 	struct pci_attach_args *pa = aux;
147 	struct jmide_softc *sc = device_private(self);
148 	const struct jmide_product *jp;
149         char devinfo[256];
150 	const char *intrstr;
151         pci_intr_handle_t intrhandle;
152 	u_int32_t pcictrl0 = pci_conf_read(pa->pa_pc, pa->pa_tag,
153 	    PCI_JM_CONTROL0);
154 	u_int32_t pcictrl1 = pci_conf_read(pa->pa_pc, pa->pa_tag,
155 	    PCI_JM_CONTROL1);
156 	struct pciide_product_desc *pp;
157 	int ahci_used = 0;
158 
159 	sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev = self;
160 
161 	jp = jmide_lookup(pa->pa_id);
162 	if (jp == NULL) {
163 		printf("jmide_attach: WTF?\n");
164 		return;
165 	}
166 	sc->sc_npata = jp->jm_npata;
167 	sc->sc_nsata = jp->jm_nsata;
168 
169 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
170         aprint_naive(": JMICRON PATA/SATA disk controller\n");
171         aprint_normal(": %s\n", devinfo);
172 
173 	aprint_normal("%s: ", JM_NAME(sc));
174 	if (sc->sc_npata)
175 		aprint_normal("%d PATA port%s", sc->sc_npata,
176 		    (sc->sc_npata > 1) ? "s" : "");
177 	if (sc->sc_nsata)
178 		aprint_normal("%s%d SATA port%s", sc->sc_npata ? ", " : "",
179 		    sc->sc_nsata, (sc->sc_nsata > 1) ? "s" : "");
180 	aprint_normal("\n");
181 
182 	if (pci_intr_map(pa, &intrhandle) != 0) {
183                 aprint_error("%s: couldn't map interrupt\n", JM_NAME(sc));
184                 return;
185         }
186         intrstr = pci_intr_string(pa->pa_pc, intrhandle);
187         sc->sc_pciide.sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle,
188 	    IPL_BIO, jmide_intr, sc);
189         if (sc->sc_pciide.sc_pci_ih == NULL) {
190                 aprint_error("%s: couldn't establish interrupt", JM_NAME(sc));
191                 return;
192         }
193         aprint_normal("%s: interrupting at %s\n", JM_NAME(sc),
194             intrstr ? intrstr : "unknown interrupt");
195 
196 	if (pcictrl0 & JM_CONTROL0_AHCI_EN) {
197 		bus_size_t size;
198 		struct jmahci_attach_args jma;
199 		u_int32_t saved_pcictrl0;
200 		/*
201 		 * ahci controller enabled; disable sata on pciide and
202 		 * enable on ahci
203 		 */
204 		saved_pcictrl0 = pcictrl0;
205 		pcictrl0 |= JM_CONTROL0_SATA0_AHCI | JM_CONTROL0_SATA1_AHCI;
206 		pcictrl0 &= ~(JM_CONTROL0_SATA0_IDE | JM_CONTROL0_SATA1_IDE);
207 		pci_conf_write(pa->pa_pc, pa->pa_tag,
208 		    PCI_JM_CONTROL0, pcictrl0);
209 		/* attach ahci controller if on the right function */
210 		if ((pa->pa_function == 0 &&
211 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) == 0) ||
212 	    	    (pa->pa_function == 1 &&
213 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) != 0)) {
214 			jma.jma_pa = pa;
215 			/* map registers */
216 			if (pci_mapreg_map(pa, AHCI_PCI_ABAR,
217 			    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
218 			    &jma.jma_ahcit, &jma.jma_ahcih, NULL, &size) != 0) {
219 				aprint_error("%s: can't map ahci registers\n",
220 				    JM_NAME(sc));
221 			} else {
222 				sc->sc_ahci = config_found_ia(
223 				    sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev,
224 				    "jmide_hl", &jma, jmahci_print);
225 			}
226 			/*
227 			 * if we couldn't attach an ahci, try to fall back
228 			 * to pciide. Note that this will not work if IDE
229 			 * is on function 0 and AHCI on function 1.
230 			 */
231 			if (sc->sc_ahci == NULL) {
232 				pcictrl0 = saved_pcictrl0 &
233 				    ~(JM_CONTROL0_SATA0_AHCI |
234 				      JM_CONTROL0_SATA1_AHCI |
235 				      JM_CONTROL0_AHCI_EN);
236 				pcictrl0 |= JM_CONTROL0_SATA1_IDE |
237 					JM_CONTROL0_SATA0_IDE;
238 				pci_conf_write(pa->pa_pc, pa->pa_tag,
239 				    PCI_JM_CONTROL0, pcictrl0);
240 			} else
241 				ahci_used = 1;
242 		}
243 	}
244 	sc->sc_chan_swap = ((pcictrl0 & JM_CONTROL0_PCIIDE_CS) != 0);
245 	/* compute the type of internal primary channel */
246 	if (pcictrl1 & JM_CONTROL1_PATA1_PRI) {
247 		if (sc->sc_npata > 1)
248 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_PATA;
249 		else
250 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
251 	} else if (ahci_used == 0 && sc->sc_nsata > 0)
252 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_SATA;
253 	else
254 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
255 	/* compute the type of internal secondary channel */
256 	if (sc->sc_nsata > 1 && ahci_used == 0 &&
257 	    (pcictrl0 & JM_CONTROL0_PCIIDE0_MS) == 0) {
258 		sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_SATA;
259 	} else {
260 		/* only a drive if first PATA enabled */
261 		if (sc->sc_npata > 0 && (pcictrl0 & JM_CONTROL0_PATA0_EN)
262 		    && (pcictrl0 &
263 		    (sc->sc_chan_swap ? JM_CONTROL0_PATA0_PRI: JM_CONTROL0_PATA0_SEC)))
264 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_PATA;
265 		else
266 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
267 	}
268 
269 	if (sc->sc_chan_type[0] == TYPE_NONE &&
270 	    sc->sc_chan_type[1] == TYPE_NONE)
271 		return;
272 	if (pa->pa_function == 0 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1))
273 		return;
274 	if (pa->pa_function == 1 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1) == 0)
275 		return;
276 	pp = malloc(sizeof(struct pciide_product_desc), M_DEVBUF, M_NOWAIT);
277 	if (pp == NULL) {
278 		aprint_error("%s: can't malloc sc_pp\n", JM_NAME(sc));
279 		return;
280 	}
281 	aprint_normal("%s: PCI IDE interface used", JM_NAME(sc));
282 	pp->ide_product = 0;
283 	pp->ide_flags = 0;
284 	pp->ide_name = NULL;
285 	pp->chip_map = jmpata_chip_map;
286 	pciide_common_attach(&sc->sc_pciide, pa, pp);
287 
288 }
289 
290 static int
291 jmide_intr(void *arg)
292 {
293 	struct jmide_softc *sc = arg;
294 	int ret = 0;
295 
296 #ifdef NJMAHCI
297 	if (sc->sc_ahci)
298 		ret |= ahci_intr(device_private(sc->sc_ahci));
299 #endif
300 	if (sc->sc_npata)
301 		ret |= pciide_pci_intr(&sc->sc_pciide);
302 	return ret;
303 }
304 
305 static void
306 jmpata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
307 {
308 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
309 	int channel;
310 	pcireg_t interface;
311 	bus_size_t cmdsize, ctlsize;
312 	struct pciide_channel *cp;
313 
314 	if (pciide_chipen(sc, pa) == 0)
315 		return;
316 	aprint_verbose("%s: bus-master DMA support present", JM_NAME(jmidesc));
317 	pciide_mapreg_dma(sc, pa);
318 	aprint_verbose("\n");
319 	sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
320 	if (sc->sc_dma_ok) {
321 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
322 		sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
323 	}
324 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
325 	sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
326 	sc->sc_wdcdev.sc_atac.atac_set_modes = jmpata_setup_channel;
327 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
328 	sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
329 	wdc_allocate_regs(&sc->sc_wdcdev);
330 	/*
331          * can't rely on the PCI_CLASS_REG content if the chip was in raid
332          * mode. We have to fake interface
333          */
334 	interface = PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
335 	for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
336 	    channel++) {
337 		cp = &sc->pciide_channels[channel];
338 		if (pciide_chansetup(sc, channel, interface) == 0)
339 			continue;
340 		aprint_normal("%s: %s channel is ", JM_NAME(jmidesc),
341 		    PCIIDE_CHANNEL_NAME(channel));
342 		switch(jmidesc->sc_chan_type[channel]) {
343 		case TYPE_PATA:
344 			aprint_normal("PATA");
345 			break;
346 		case TYPE_SATA:
347 			aprint_normal("SATA");
348 			break;
349 		case TYPE_NONE:
350 			aprint_normal("unused");
351 			break;
352 		default:
353 			aprint_normal("impossible");
354 			panic("jmide: wrong/uninitialised channel type");
355 		}
356 		aprint_normal("\n");
357 		if (jmidesc->sc_chan_type[channel] == TYPE_NONE) {
358 			cp->ata_channel.ch_flags |= ATACH_DISABLED;
359 			continue;
360 		}
361 		pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
362 			pciide_pci_intr);
363 	}
364 }
365 
366 static void
367 jmpata_setup_channel(struct ata_channel *chp)
368 {
369 	struct ata_drive_datas *drvp;
370 	int drive, s;
371 	u_int32_t idedma_ctl;
372 	struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
373 	struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
374 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
375 	int ide80p;
376 
377 	/* setup DMA if needed */
378 	pciide_channel_dma_setup(cp);
379 
380 	idedma_ctl = 0;
381 
382 	/* cable type detect */
383 	ide80p = 1;
384 	if (chp->ch_channel == (jmidesc->sc_chan_swap ? 1 : 0)) {
385 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
386 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL1) &
387 		    JM_CONTROL1_PATA1_40P))
388 			ide80p = 0;
389 	} else {
390 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
391 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL0) &
392 		    JM_CONTROL0_PATA0_40P))
393 			ide80p = 0;
394 	}
395 
396 	for (drive = 0; drive < 2; drive++) {
397 		drvp = &chp->ch_drive[drive];
398 		/* If no drive, skip */
399 		if ((drvp->drive_flags & DRIVE) == 0)
400 			continue;
401 		if (drvp->drive_flags & DRIVE_UDMA) {
402 			/* use Ultra/DMA */
403 			s = splbio();
404 			drvp->drive_flags &= ~DRIVE_DMA;
405 			if (drvp->UDMA_mode > 2 && ide80p == 0)
406 				drvp->UDMA_mode = 2;
407 			splx(s);
408 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
409 		} else if (drvp->drive_flags & DRIVE_DMA) {
410 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
411 		}
412 	}
413 	/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
414 	if (idedma_ctl != 0) {
415 		/* Add software bits in status register */
416 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL],
417 		    0, idedma_ctl);
418 	}
419 }
420 
421 static int
422 jmahci_print(void *aux, const char *pnp)
423 {
424         if (pnp)
425                 aprint_normal("ahcisata at %s", pnp);
426 
427         return (UNCONF);
428 }
429 
430 
431 #ifdef NJMAHCI
432 static int  jmahci_match(device_t, cfdata_t, void *);
433 static void jmahci_attach(device_t, device_t, void *);
434 
435 CFATTACH_DECL_NEW(jmahci, sizeof(struct ahci_softc),
436 	jmahci_match, jmahci_attach, NULL, NULL);
437 
438 static int
439 jmahci_match(device_t parent, cfdata_t match, void *aux)
440 {
441 	return 1;
442 }
443 
444 static void
445 jmahci_attach(device_t parent, device_t self, void *aux)
446 {
447 	struct jmahci_attach_args *jma = aux;
448 	struct pci_attach_args *pa = jma->jma_pa;
449 	struct ahci_softc *sc = device_private(self);
450 
451 	aprint_naive(": AHCI disk controller\n");
452 	aprint_normal("\n");
453 
454 	sc->sc_atac.atac_dev = self;
455 	sc->sc_ahcit = jma->jma_ahcit;
456 	sc->sc_ahcih = jma->jma_ahcih;
457 	sc->sc_dmat = jma->jma_pa->pa_dmat;
458 
459 	if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
460 		sc->sc_atac_capflags = ATAC_CAP_RAID;
461 
462 	ahci_attach(sc);
463 }
464 #endif
465