Home | History | Annotate | Line # | Download | only in pci
jmide.c revision 1.11.6.1
      1 /*	$NetBSD: jmide.c,v 1.11.6.1 2012/02/18 07:34:44 mrg 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 1.11.6.1 2012/02/18 07:34:44 mrg 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*, const 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 	const 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); /* higher 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 	const char *intrstr;
    150         pci_intr_handle_t intrhandle;
    151 	u_int32_t pcictrl0 = pci_conf_read(pa->pa_pc, pa->pa_tag,
    152 	    PCI_JM_CONTROL0);
    153 	u_int32_t pcictrl1 = pci_conf_read(pa->pa_pc, pa->pa_tag,
    154 	    PCI_JM_CONTROL1);
    155 	struct pciide_product_desc *pp;
    156 	int ahci_used = 0;
    157 
    158 	sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev = self;
    159 
    160 	jp = jmide_lookup(pa->pa_id);
    161 	if (jp == NULL) {
    162 		printf("jmide_attach: WTF?\n");
    163 		return;
    164 	}
    165 	sc->sc_npata = jp->jm_npata;
    166 	sc->sc_nsata = jp->jm_nsata;
    167 
    168         pci_aprint_devinfo(pa, "JMICRON PATA/SATA disk controller");
    169 
    170 	aprint_normal("%s: ", JM_NAME(sc));
    171 	if (sc->sc_npata)
    172 		aprint_normal("%d PATA port%s", sc->sc_npata,
    173 		    (sc->sc_npata > 1) ? "s" : "");
    174 	if (sc->sc_nsata)
    175 		aprint_normal("%s%d SATA port%s", sc->sc_npata ? ", " : "",
    176 		    sc->sc_nsata, (sc->sc_nsata > 1) ? "s" : "");
    177 	aprint_normal("\n");
    178 
    179 	if (pci_intr_map(pa, &intrhandle) != 0) {
    180                 aprint_error("%s: couldn't map interrupt\n", JM_NAME(sc));
    181                 return;
    182         }
    183         intrstr = pci_intr_string(pa->pa_pc, intrhandle);
    184         sc->sc_pciide.sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle,
    185 	    IPL_BIO, jmide_intr, sc);
    186         if (sc->sc_pciide.sc_pci_ih == NULL) {
    187                 aprint_error("%s: couldn't establish interrupt", JM_NAME(sc));
    188                 return;
    189         }
    190         aprint_normal("%s: interrupting at %s\n", JM_NAME(sc),
    191             intrstr ? intrstr : "unknown interrupt");
    192 
    193 	if (pcictrl0 & JM_CONTROL0_AHCI_EN) {
    194 		bus_size_t size;
    195 		struct jmahci_attach_args jma;
    196 		u_int32_t saved_pcictrl0;
    197 		/*
    198 		 * ahci controller enabled; disable sata on pciide and
    199 		 * enable on ahci
    200 		 */
    201 		saved_pcictrl0 = pcictrl0;
    202 		pcictrl0 |= JM_CONTROL0_SATA0_AHCI | JM_CONTROL0_SATA1_AHCI;
    203 		pcictrl0 &= ~(JM_CONTROL0_SATA0_IDE | JM_CONTROL0_SATA1_IDE);
    204 		pci_conf_write(pa->pa_pc, pa->pa_tag,
    205 		    PCI_JM_CONTROL0, pcictrl0);
    206 		/* attach ahci controller if on the right function */
    207 		if ((pa->pa_function == 0 &&
    208 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) == 0) ||
    209 	    	    (pa->pa_function == 1 &&
    210 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) != 0)) {
    211 			jma.jma_pa = pa;
    212 			/* map registers */
    213 			if (pci_mapreg_map(pa, AHCI_PCI_ABAR,
    214 			    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
    215 			    &jma.jma_ahcit, &jma.jma_ahcih, NULL, &size) != 0) {
    216 				aprint_error("%s: can't map ahci registers\n",
    217 				    JM_NAME(sc));
    218 			} else {
    219 				sc->sc_ahci = config_found_ia(
    220 				    sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev,
    221 				    "jmide_hl", &jma, jmahci_print);
    222 			}
    223 			/*
    224 			 * if we couldn't attach an ahci, try to fall back
    225 			 * to pciide. Note that this will not work if IDE
    226 			 * is on function 0 and AHCI on function 1.
    227 			 */
    228 			if (sc->sc_ahci == NULL) {
    229 				pcictrl0 = saved_pcictrl0 &
    230 				    ~(JM_CONTROL0_SATA0_AHCI |
    231 				      JM_CONTROL0_SATA1_AHCI |
    232 				      JM_CONTROL0_AHCI_EN);
    233 				pcictrl0 |= JM_CONTROL0_SATA1_IDE |
    234 					JM_CONTROL0_SATA0_IDE;
    235 				pci_conf_write(pa->pa_pc, pa->pa_tag,
    236 				    PCI_JM_CONTROL0, pcictrl0);
    237 			} else
    238 				ahci_used = 1;
    239 		}
    240 	}
    241 	sc->sc_chan_swap = ((pcictrl0 & JM_CONTROL0_PCIIDE_CS) != 0);
    242 	/* compute the type of internal primary channel */
    243 	if (pcictrl1 & JM_CONTROL1_PATA1_PRI) {
    244 		if (sc->sc_npata > 1)
    245 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_PATA;
    246 		else
    247 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    248 	} else if (ahci_used == 0 && sc->sc_nsata > 0)
    249 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_SATA;
    250 	else
    251 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    252 	/* compute the type of internal secondary channel */
    253 	if (sc->sc_nsata > 1 && ahci_used == 0 &&
    254 	    (pcictrl0 & JM_CONTROL0_PCIIDE0_MS) == 0) {
    255 		sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_SATA;
    256 	} else {
    257 		/* only a drive if first PATA enabled */
    258 		if (sc->sc_npata > 0 && (pcictrl0 & JM_CONTROL0_PATA0_EN)
    259 		    && (pcictrl0 &
    260 		    (sc->sc_chan_swap ? JM_CONTROL0_PATA0_PRI: JM_CONTROL0_PATA0_SEC)))
    261 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_PATA;
    262 		else
    263 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
    264 	}
    265 
    266 	if (sc->sc_chan_type[0] == TYPE_NONE &&
    267 	    sc->sc_chan_type[1] == TYPE_NONE)
    268 		return;
    269 	if (pa->pa_function == 0 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1))
    270 		return;
    271 	if (pa->pa_function == 1 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1) == 0)
    272 		return;
    273 	pp = malloc(sizeof(struct pciide_product_desc), M_DEVBUF, M_NOWAIT);
    274 	if (pp == NULL) {
    275 		aprint_error("%s: can't malloc sc_pp\n", JM_NAME(sc));
    276 		return;
    277 	}
    278 	aprint_normal("%s: PCI IDE interface used", JM_NAME(sc));
    279 	pp->ide_product = 0;
    280 	pp->ide_flags = 0;
    281 	pp->ide_name = NULL;
    282 	pp->chip_map = jmpata_chip_map;
    283 	pciide_common_attach(&sc->sc_pciide, pa, pp);
    284 
    285 }
    286 
    287 static int
    288 jmide_intr(void *arg)
    289 {
    290 	struct jmide_softc *sc = arg;
    291 	int ret = 0;
    292 
    293 #ifdef NJMAHCI
    294 	if (sc->sc_ahci)
    295 		ret |= ahci_intr(device_private(sc->sc_ahci));
    296 #endif
    297 	if (sc->sc_npata)
    298 		ret |= pciide_pci_intr(&sc->sc_pciide);
    299 	return ret;
    300 }
    301 
    302 static void
    303 jmpata_chip_map(struct pciide_softc *sc, const struct pci_attach_args *pa)
    304 {
    305 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    306 	int channel;
    307 	pcireg_t interface;
    308 	struct pciide_channel *cp;
    309 
    310 	if (pciide_chipen(sc, pa) == 0)
    311 		return;
    312 	aprint_verbose("%s: bus-master DMA support present", JM_NAME(jmidesc));
    313 	pciide_mapreg_dma(sc, pa);
    314 	aprint_verbose("\n");
    315 	sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
    316 	if (sc->sc_dma_ok) {
    317 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
    318 		sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
    319 	}
    320 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
    321 	sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
    322 	sc->sc_wdcdev.sc_atac.atac_set_modes = jmpata_setup_channel;
    323 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
    324 	sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
    325 	wdc_allocate_regs(&sc->sc_wdcdev);
    326 	/*
    327          * can't rely on the PCI_CLASS_REG content if the chip was in raid
    328          * mode. We have to fake interface
    329          */
    330 	interface = PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
    331 	for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
    332 	    channel++) {
    333 		cp = &sc->pciide_channels[channel];
    334 		if (pciide_chansetup(sc, channel, interface) == 0)
    335 			continue;
    336 		aprint_normal("%s: %s channel is ", JM_NAME(jmidesc),
    337 		    PCIIDE_CHANNEL_NAME(channel));
    338 		switch(jmidesc->sc_chan_type[channel]) {
    339 		case TYPE_PATA:
    340 			aprint_normal("PATA");
    341 			break;
    342 		case TYPE_SATA:
    343 			aprint_normal("SATA");
    344 			break;
    345 		case TYPE_NONE:
    346 			aprint_normal("unused");
    347 			break;
    348 		default:
    349 			aprint_normal("impossible");
    350 			panic("jmide: wrong/uninitialised channel type");
    351 		}
    352 		aprint_normal("\n");
    353 		if (jmidesc->sc_chan_type[channel] == TYPE_NONE) {
    354 			cp->ata_channel.ch_flags |= ATACH_DISABLED;
    355 			continue;
    356 		}
    357 		pciide_mapchan(pa, cp, interface, pciide_pci_intr);
    358 	}
    359 }
    360 
    361 static void
    362 jmpata_setup_channel(struct ata_channel *chp)
    363 {
    364 	struct ata_drive_datas *drvp;
    365 	int drive, s;
    366 	u_int32_t idedma_ctl;
    367 	struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
    368 	struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
    369 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    370 	int ide80p;
    371 
    372 	/* setup DMA if needed */
    373 	pciide_channel_dma_setup(cp);
    374 
    375 	idedma_ctl = 0;
    376 
    377 	/* cable type detect */
    378 	ide80p = 1;
    379 	if (chp->ch_channel == (jmidesc->sc_chan_swap ? 1 : 0)) {
    380 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    381 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL1) &
    382 		    JM_CONTROL1_PATA1_40P))
    383 			ide80p = 0;
    384 	} else {
    385 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    386 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL0) &
    387 		    JM_CONTROL0_PATA0_40P))
    388 			ide80p = 0;
    389 	}
    390 
    391 	for (drive = 0; drive < 2; drive++) {
    392 		drvp = &chp->ch_drive[drive];
    393 		/* If no drive, skip */
    394 		if ((drvp->drive_flags & DRIVE) == 0)
    395 			continue;
    396 		if (drvp->drive_flags & DRIVE_UDMA) {
    397 			/* use Ultra/DMA */
    398 			s = splbio();
    399 			drvp->drive_flags &= ~DRIVE_DMA;
    400 			if (drvp->UDMA_mode > 2 && ide80p == 0)
    401 				drvp->UDMA_mode = 2;
    402 			splx(s);
    403 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    404 		} else if (drvp->drive_flags & DRIVE_DMA) {
    405 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    406 		}
    407 	}
    408 	/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
    409 	if (idedma_ctl != 0) {
    410 		/* Add software bits in status register */
    411 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL],
    412 		    0, idedma_ctl);
    413 	}
    414 }
    415 
    416 static int
    417 jmahci_print(void *aux, const char *pnp)
    418 {
    419         if (pnp)
    420                 aprint_normal("ahcisata at %s", pnp);
    421 
    422         return (UNCONF);
    423 }
    424 
    425 
    426 #ifdef NJMAHCI
    427 static int  jmahci_match(device_t, cfdata_t, void *);
    428 static void jmahci_attach(device_t, device_t, void *);
    429 static int  jmahci_detach(device_t, int);
    430 static bool jmahci_resume(device_t, const pmf_qual_t *);
    431 
    432 CFATTACH_DECL_NEW(jmahci, sizeof(struct ahci_softc),
    433 	jmahci_match, jmahci_attach, jmahci_detach, NULL);
    434 
    435 static int
    436 jmahci_match(device_t parent, cfdata_t match, void *aux)
    437 {
    438 	return 1;
    439 }
    440 
    441 static void
    442 jmahci_attach(device_t parent, device_t self, void *aux)
    443 {
    444 	struct jmahci_attach_args *jma = aux;
    445 	const struct pci_attach_args *pa = jma->jma_pa;
    446 	struct ahci_softc *sc = device_private(self);
    447 	uint32_t ahci_cap;
    448 
    449 	aprint_naive(": AHCI disk controller\n");
    450 	aprint_normal("\n");
    451 
    452 	sc->sc_atac.atac_dev = self;
    453 	sc->sc_ahcit = jma->jma_ahcit;
    454 	sc->sc_ahcih = jma->jma_ahcih;
    455 
    456 	ahci_cap = AHCI_READ(sc, AHCI_CAP);
    457 
    458 	if (pci_dma64_available(jma->jma_pa) && (ahci_cap & AHCI_CAP_64BIT))
    459 		sc->sc_dmat = jma->jma_pa->pa_dmat64;
    460 	else
    461 		sc->sc_dmat = jma->jma_pa->pa_dmat;
    462 
    463 	if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
    464 		sc->sc_atac_capflags = ATAC_CAP_RAID;
    465 
    466 	ahci_attach(sc);
    467 
    468 	if (!pmf_device_register(self, NULL, jmahci_resume))
    469 	    aprint_error_dev(self, "couldn't establish power handler\n");
    470 }
    471 
    472 static int
    473 jmahci_detach(device_t dv, int flags)
    474 {
    475 	struct ahci_softc *sc;
    476 	sc = device_private(dv);
    477 
    478 	int rv;
    479 
    480 	if ((rv = ahci_detach(sc, flags)))
    481 		return rv;
    482 
    483 	return 0;
    484 }
    485 
    486 static bool
    487 jmahci_resume(device_t dv, const pmf_qual_t *qual)
    488 {
    489 	struct ahci_softc *sc;
    490 	int s;
    491 
    492 	sc = device_private(dv);
    493 
    494 	s = splbio();
    495 	ahci_resume(sc);
    496 	splx(s);
    497 
    498 	return true;
    499 }
    500 #endif
    501