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jmide.c revision 1.19
      1 /*	$NetBSD: jmide.c,v 1.19 2014/03/29 19:28:25 christos 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 1.19 2014/03/29 19:28:25 christos 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_JMB362,
     72 	  0,
     73 	  2
     74 	},
     75 	{ PCI_PRODUCT_JMICRON_JMB363,
     76 	  1,
     77 	  2
     78 	},
     79 	{ PCI_PRODUCT_JMICRON_JMB365,
     80 	  2,
     81 	  1
     82 	},
     83 	{ PCI_PRODUCT_JMICRON_JMB366,
     84 	  2,
     85 	  2
     86 	},
     87 	{ PCI_PRODUCT_JMICRON_JMB368,
     88 	  1,
     89 	  0
     90 	},
     91 	{ 0,
     92 	  0,
     93 	  0
     94 	}
     95 };
     96 
     97 typedef enum {
     98 	TYPE_INVALID = 0,
     99 	TYPE_PATA,
    100 	TYPE_SATA,
    101 	TYPE_NONE
    102 } jmchan_t;
    103 
    104 struct jmide_softc {
    105 	struct pciide_softc sc_pciide;
    106 	device_t sc_ahci;
    107 	int sc_npata;
    108 	int sc_nsata;
    109 	jmchan_t sc_chan_type[PCIIDE_NUM_CHANNELS];
    110 	int sc_chan_swap;
    111 };
    112 
    113 struct jmahci_attach_args {
    114 	const struct pci_attach_args *jma_pa;
    115 	bus_space_tag_t jma_ahcit;
    116 	bus_space_handle_t jma_ahcih;
    117 };
    118 
    119 #define JM_NAME(sc) (device_xname(sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev))
    120 
    121 CFATTACH_DECL_NEW(jmide, sizeof(struct jmide_softc),
    122     jmide_match, jmide_attach, NULL, NULL);
    123 
    124 static const struct jmide_product *
    125 jmide_lookup(pcireg_t id) {
    126 	const struct jmide_product *jp;
    127 
    128 	for (jp = jm_products; jp->jm_product != 0; jp++) {
    129 		if (jp->jm_product == PCI_PRODUCT(id))
    130 			return jp;
    131 	}
    132 	return NULL;
    133 }
    134 
    135 static int
    136 jmide_match(device_t parent, cfdata_t match, void *aux)
    137 {
    138 	struct pci_attach_args *pa = aux;
    139 
    140 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_JMICRON) {
    141 		if (jmide_lookup(pa->pa_id))
    142 			return (4); /* higher than ahcisata */
    143 	}
    144 	return (0);
    145 }
    146 
    147 static void
    148 jmide_attach(device_t parent, device_t self, void *aux)
    149 {
    150 	struct pci_attach_args *pa = aux;
    151 	struct jmide_softc *sc = device_private(self);
    152 	const struct jmide_product *jp;
    153 	const char *intrstr;
    154         pci_intr_handle_t intrhandle;
    155 	u_int32_t pcictrl0 = pci_conf_read(pa->pa_pc, pa->pa_tag,
    156 	    PCI_JM_CONTROL0);
    157 	u_int32_t pcictrl1 = pci_conf_read(pa->pa_pc, pa->pa_tag,
    158 	    PCI_JM_CONTROL1);
    159 	struct pciide_product_desc *pp;
    160 	int ahci_used = 0;
    161 	char intrbuf[PCI_INTRSTR_LEN];
    162 
    163 	sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev = self;
    164 
    165 	jp = jmide_lookup(pa->pa_id);
    166 	if (jp == NULL) {
    167 		printf("jmide_attach: WTF?\n");
    168 		return;
    169 	}
    170 	sc->sc_npata = jp->jm_npata;
    171 	sc->sc_nsata = jp->jm_nsata;
    172 
    173         pci_aprint_devinfo(pa, "JMICRON PATA/SATA disk controller");
    174 
    175 	aprint_normal("%s: ", JM_NAME(sc));
    176 	if (sc->sc_npata)
    177 		aprint_normal("%d PATA port%s", sc->sc_npata,
    178 		    (sc->sc_npata > 1) ? "s" : "");
    179 	if (sc->sc_nsata)
    180 		aprint_normal("%s%d SATA port%s", sc->sc_npata ? ", " : "",
    181 		    sc->sc_nsata, (sc->sc_nsata > 1) ? "s" : "");
    182 	aprint_normal("\n");
    183 
    184 	if (pci_intr_map(pa, &intrhandle) != 0) {
    185                 aprint_error("%s: couldn't map interrupt\n", JM_NAME(sc));
    186                 return;
    187         }
    188         intrstr = pci_intr_string(pa->pa_pc, intrhandle, intrbuf, sizeof(intrbuf));
    189         sc->sc_pciide.sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle,
    190 	    IPL_BIO, jmide_intr, sc);
    191         if (sc->sc_pciide.sc_pci_ih == NULL) {
    192                 aprint_error("%s: couldn't establish interrupt", JM_NAME(sc));
    193                 return;
    194         }
    195         aprint_normal("%s: interrupting at %s\n", JM_NAME(sc),
    196             intrstr ? intrstr : "unknown interrupt");
    197 
    198 	if (pcictrl0 & JM_CONTROL0_AHCI_EN) {
    199 		bus_size_t size;
    200 		struct jmahci_attach_args jma;
    201 		u_int32_t saved_pcictrl0;
    202 		/*
    203 		 * ahci controller enabled; disable sata on pciide and
    204 		 * enable on ahci
    205 		 */
    206 		saved_pcictrl0 = pcictrl0;
    207 		pcictrl0 |= JM_CONTROL0_SATA0_AHCI | JM_CONTROL0_SATA1_AHCI;
    208 		pcictrl0 &= ~(JM_CONTROL0_SATA0_IDE | JM_CONTROL0_SATA1_IDE);
    209 		pci_conf_write(pa->pa_pc, pa->pa_tag,
    210 		    PCI_JM_CONTROL0, pcictrl0);
    211 		/* attach ahci controller if on the right function */
    212 		if ((pa->pa_function == 0 &&
    213 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) == 0) ||
    214 	    	    (pa->pa_function == 1 &&
    215 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) != 0)) {
    216 			jma.jma_pa = pa;
    217 			/* map registers */
    218 			if (pci_mapreg_map(pa, AHCI_PCI_ABAR,
    219 			    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
    220 			    &jma.jma_ahcit, &jma.jma_ahcih, NULL, &size) != 0) {
    221 				aprint_error("%s: can't map ahci registers\n",
    222 				    JM_NAME(sc));
    223 			} else {
    224 				sc->sc_ahci = config_found_ia(
    225 				    sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev,
    226 				    "jmide_hl", &jma, jmahci_print);
    227 			}
    228 			/*
    229 			 * if we couldn't attach an ahci, try to fall back
    230 			 * to pciide. Note that this will not work if IDE
    231 			 * is on function 0 and AHCI on function 1.
    232 			 */
    233 			if (sc->sc_ahci == NULL) {
    234 				pcictrl0 = saved_pcictrl0 &
    235 				    ~(JM_CONTROL0_SATA0_AHCI |
    236 				      JM_CONTROL0_SATA1_AHCI |
    237 				      JM_CONTROL0_AHCI_EN);
    238 				pcictrl0 |= JM_CONTROL0_SATA1_IDE |
    239 					JM_CONTROL0_SATA0_IDE;
    240 				pci_conf_write(pa->pa_pc, pa->pa_tag,
    241 				    PCI_JM_CONTROL0, pcictrl0);
    242 			} else
    243 				ahci_used = 1;
    244 		}
    245 	}
    246 	sc->sc_chan_swap = ((pcictrl0 & JM_CONTROL0_PCIIDE_CS) != 0);
    247 	/* compute the type of internal primary channel */
    248 	if (pcictrl1 & JM_CONTROL1_PATA1_PRI) {
    249 		if (sc->sc_npata > 1)
    250 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_PATA;
    251 		else
    252 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    253 	} else if (ahci_used == 0 && sc->sc_nsata > 0)
    254 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_SATA;
    255 	else
    256 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    257 	/* compute the type of internal secondary channel */
    258 	if (sc->sc_nsata > 1 && ahci_used == 0 &&
    259 	    (pcictrl0 & JM_CONTROL0_PCIIDE0_MS) == 0) {
    260 		sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_SATA;
    261 	} else {
    262 		/* only a drive if first PATA enabled */
    263 		if (sc->sc_npata > 0 && (pcictrl0 & JM_CONTROL0_PATA0_EN)
    264 		    && (pcictrl0 &
    265 		    (sc->sc_chan_swap ? JM_CONTROL0_PATA0_PRI: JM_CONTROL0_PATA0_SEC)))
    266 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_PATA;
    267 		else
    268 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
    269 	}
    270 
    271 	if (sc->sc_chan_type[0] == TYPE_NONE &&
    272 	    sc->sc_chan_type[1] == TYPE_NONE)
    273 		return;
    274 	if (pa->pa_function == 0 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1))
    275 		return;
    276 	if (pa->pa_function == 1 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1) == 0)
    277 		return;
    278 	pp = malloc(sizeof(struct pciide_product_desc), M_DEVBUF, M_NOWAIT);
    279 	if (pp == NULL) {
    280 		aprint_error("%s: can't malloc sc_pp\n", JM_NAME(sc));
    281 		return;
    282 	}
    283 	aprint_normal("%s: PCI IDE interface used", JM_NAME(sc));
    284 	pp->ide_product = 0;
    285 	pp->ide_flags = 0;
    286 	pp->ide_name = NULL;
    287 	pp->chip_map = jmpata_chip_map;
    288 	pciide_common_attach(&sc->sc_pciide, pa, pp);
    289 
    290 }
    291 
    292 static int
    293 jmide_intr(void *arg)
    294 {
    295 	struct jmide_softc *sc = arg;
    296 	int ret = 0;
    297 
    298 #ifdef NJMAHCI
    299 	if (sc->sc_ahci)
    300 		ret |= ahci_intr(device_private(sc->sc_ahci));
    301 #endif
    302 	if (sc->sc_npata)
    303 		ret |= pciide_pci_intr(&sc->sc_pciide);
    304 	return ret;
    305 }
    306 
    307 static void
    308 jmpata_chip_map(struct pciide_softc *sc, const struct pci_attach_args *pa)
    309 {
    310 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    311 	int channel;
    312 	pcireg_t interface;
    313 	struct pciide_channel *cp;
    314 
    315 	if (pciide_chipen(sc, pa) == 0)
    316 		return;
    317 	aprint_verbose("%s: bus-master DMA support present", JM_NAME(jmidesc));
    318 	pciide_mapreg_dma(sc, pa);
    319 	aprint_verbose("\n");
    320 	sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
    321 	if (sc->sc_dma_ok) {
    322 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
    323 		sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
    324 	}
    325 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
    326 	sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
    327 	sc->sc_wdcdev.sc_atac.atac_set_modes = jmpata_setup_channel;
    328 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
    329 	sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
    330 	sc->sc_wdcdev.wdc_maxdrives = 2;
    331 	wdc_allocate_regs(&sc->sc_wdcdev);
    332 	/*
    333          * can't rely on the PCI_CLASS_REG content if the chip was in raid
    334          * mode. We have to fake interface
    335          */
    336 	interface = PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
    337 	for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
    338 	    channel++) {
    339 		cp = &sc->pciide_channels[channel];
    340 		if (pciide_chansetup(sc, channel, interface) == 0)
    341 			continue;
    342 		aprint_normal("%s: %s channel is ", JM_NAME(jmidesc),
    343 		    PCIIDE_CHANNEL_NAME(channel));
    344 		switch(jmidesc->sc_chan_type[channel]) {
    345 		case TYPE_PATA:
    346 			aprint_normal("PATA");
    347 			break;
    348 		case TYPE_SATA:
    349 			aprint_normal("SATA");
    350 			break;
    351 		case TYPE_NONE:
    352 			aprint_normal("unused");
    353 			break;
    354 		default:
    355 			aprint_normal("impossible");
    356 			panic("jmide: wrong/uninitialised channel type");
    357 		}
    358 		aprint_normal("\n");
    359 		if (jmidesc->sc_chan_type[channel] == TYPE_NONE) {
    360 			cp->ata_channel.ch_flags |= ATACH_DISABLED;
    361 			continue;
    362 		}
    363 		pciide_mapchan(pa, cp, interface, pciide_pci_intr);
    364 	}
    365 }
    366 
    367 static void
    368 jmpata_setup_channel(struct ata_channel *chp)
    369 {
    370 	struct ata_drive_datas *drvp;
    371 	int drive, s;
    372 	u_int32_t idedma_ctl;
    373 	struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
    374 	struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
    375 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    376 	int ide80p;
    377 
    378 	/* setup DMA if needed */
    379 	pciide_channel_dma_setup(cp);
    380 
    381 	idedma_ctl = 0;
    382 
    383 	/* cable type detect */
    384 	ide80p = 1;
    385 	if (chp->ch_channel == (jmidesc->sc_chan_swap ? 1 : 0)) {
    386 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    387 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL1) &
    388 		    JM_CONTROL1_PATA1_40P))
    389 			ide80p = 0;
    390 	} else {
    391 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    392 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL0) &
    393 		    JM_CONTROL0_PATA0_40P))
    394 			ide80p = 0;
    395 	}
    396 
    397 	for (drive = 0; drive < 2; drive++) {
    398 		drvp = &chp->ch_drive[drive];
    399 		/* If no drive, skip */
    400 		if (drvp->drive_type == ATA_DRIVET_NONE)
    401 			continue;
    402 		if (drvp->drive_flags & ATA_DRIVE_UDMA) {
    403 			/* use Ultra/DMA */
    404 			s = splbio();
    405 			drvp->drive_flags &= ~ATA_DRIVE_DMA;
    406 			if (drvp->UDMA_mode > 2 && ide80p == 0)
    407 				drvp->UDMA_mode = 2;
    408 			splx(s);
    409 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    410 		} else if (drvp->drive_flags & ATA_DRIVE_DMA) {
    411 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    412 		}
    413 	}
    414 	/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
    415 	if (idedma_ctl != 0) {
    416 		/* Add software bits in status register */
    417 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL],
    418 		    0, idedma_ctl);
    419 	}
    420 }
    421 
    422 static int
    423 jmahci_print(void *aux, const char *pnp)
    424 {
    425         if (pnp)
    426                 aprint_normal("ahcisata at %s", pnp);
    427 
    428         return (UNCONF);
    429 }
    430 
    431 
    432 #ifdef NJMAHCI
    433 static int  jmahci_match(device_t, cfdata_t, void *);
    434 static void jmahci_attach(device_t, device_t, void *);
    435 static int  jmahci_detach(device_t, int);
    436 static bool jmahci_resume(device_t, const pmf_qual_t *);
    437 
    438 CFATTACH_DECL_NEW(jmahci, sizeof(struct ahci_softc),
    439 	jmahci_match, jmahci_attach, jmahci_detach, NULL);
    440 
    441 static int
    442 jmahci_match(device_t parent, cfdata_t match, void *aux)
    443 {
    444 	return 1;
    445 }
    446 
    447 static void
    448 jmahci_attach(device_t parent, device_t self, void *aux)
    449 {
    450 	struct jmahci_attach_args *jma = aux;
    451 	const struct pci_attach_args *pa = jma->jma_pa;
    452 	struct ahci_softc *sc = device_private(self);
    453 	uint32_t ahci_cap;
    454 
    455 	aprint_naive(": AHCI disk controller\n");
    456 	aprint_normal("\n");
    457 
    458 	sc->sc_atac.atac_dev = self;
    459 	sc->sc_ahcit = jma->jma_ahcit;
    460 	sc->sc_ahcih = jma->jma_ahcih;
    461 
    462 	ahci_cap = AHCI_READ(sc, AHCI_CAP);
    463 
    464 	if (pci_dma64_available(jma->jma_pa) && (ahci_cap & AHCI_CAP_64BIT))
    465 		sc->sc_dmat = jma->jma_pa->pa_dmat64;
    466 	else
    467 		sc->sc_dmat = jma->jma_pa->pa_dmat;
    468 
    469 	if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
    470 		sc->sc_atac_capflags = ATAC_CAP_RAID;
    471 
    472 	ahci_attach(sc);
    473 
    474 	if (!pmf_device_register(self, NULL, jmahci_resume))
    475 	    aprint_error_dev(self, "couldn't establish power handler\n");
    476 }
    477 
    478 static int
    479 jmahci_detach(device_t dv, int flags)
    480 {
    481 	struct ahci_softc *sc;
    482 	sc = device_private(dv);
    483 
    484 	int rv;
    485 
    486 	if ((rv = ahci_detach(sc, flags)))
    487 		return rv;
    488 
    489 	return 0;
    490 }
    491 
    492 static bool
    493 jmahci_resume(device_t dv, const pmf_qual_t *qual)
    494 {
    495 	struct ahci_softc *sc;
    496 	int s;
    497 
    498 	sc = device_private(dv);
    499 
    500 	s = splbio();
    501 	ahci_resume(sc);
    502 	splx(s);
    503 
    504 	return true;
    505 }
    506 #endif
    507