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jmide.c revision 1.3
      1 /*	$NetBSD: jmide.c,v 1.3 2008/02/11 08:23:48 xtraeme 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  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Manuel Bouyer.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: jmide.c,v 1.3 2008/02/11 08:23:48 xtraeme Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/malloc.h>
     38 
     39 #include <dev/pci/pcivar.h>
     40 #include <dev/pci/pcidevs.h>
     41 #include <dev/pci/pciidereg.h>
     42 #include <dev/pci/pciidevar.h>
     43 
     44 #include <dev/pci/jmide_reg.h>
     45 
     46 #include <dev/ic/ahcisatavar.h>
     47 
     48 #include "jmide.h"
     49 
     50 static const struct jmide_product *jmide_lookup(pcireg_t);
     51 
     52 static int  jmide_match(struct device *, struct cfdata *, void *);
     53 static void jmide_attach(struct device *, struct device *, void *);
     54 static int  jmide_intr(void *);
     55 
     56 static void jmpata_chip_map(struct pciide_softc*, struct pci_attach_args*);
     57 static void jmpata_setup_channel(struct ata_channel*);
     58 
     59 static int  jmahci_print(void *, const char *);
     60 
     61 struct jmide_product {
     62 	u_int32_t jm_product;
     63 	int jm_npata;
     64 	int jm_nsata;
     65 };
     66 
     67 static const struct jmide_product jm_products[] =  {
     68 	{ PCI_PRODUCT_JMICRON_JMB360,
     69 	  0,
     70 	  1
     71 	},
     72 	{ PCI_PRODUCT_JMICRON_JMB361,
     73 	  1,
     74 	  1
     75 	},
     76 	{ PCI_PRODUCT_JMICRON_JMB363,
     77 	  1,
     78 	  2
     79 	},
     80 	{ PCI_PRODUCT_JMICRON_JMB365,
     81 	  2,
     82 	  1
     83 	},
     84 	{ PCI_PRODUCT_JMICRON_JMB366,
     85 	  2,
     86 	  2
     87 	},
     88 	{ PCI_PRODUCT_JMICRON_JMB368,
     89 	  1,
     90 	  0
     91 	},
     92 	{ 0,
     93 	  0,
     94 	  0
     95 	}
     96 };
     97 
     98 typedef enum {
     99 	TYPE_INVALID = 0,
    100 	TYPE_PATA,
    101 	TYPE_SATA,
    102 	TYPE_NONE
    103 } jmchan_t;
    104 
    105 struct jmide_softc {
    106 	struct pciide_softc sc_pciide;
    107 	void *sc_ahci;
    108 	int sc_npata;
    109 	int sc_nsata;
    110 	jmchan_t sc_chan_type[PCIIDE_NUM_CHANNELS];
    111 	int sc_chan_swap;
    112 };
    113 
    114 struct jmahci_attach_args {
    115 	struct pci_attach_args *jma_pa;
    116 	bus_space_tag_t jma_ahcit;
    117 	bus_space_handle_t jma_ahcih;
    118 };
    119 
    120 #define JM_NAME(sc) (sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev.dv_xname)
    121 
    122 CFATTACH_DECL(jmide, sizeof(struct jmide_softc),
    123     jmide_match, jmide_attach, NULL, NULL);
    124 
    125 static const struct jmide_product *
    126 jmide_lookup(pcireg_t id) {
    127 	const struct jmide_product *jp;
    128 
    129 	for (jp = jm_products; jp->jm_product != 0; jp++) {
    130 		if (jp->jm_product == PCI_PRODUCT(id))
    131 			return jp;
    132 	}
    133 	return NULL;
    134 }
    135 
    136 static int
    137 jmide_match(struct device *parent, struct cfdata *match,
    138     void *aux)
    139 {
    140 	struct pci_attach_args *pa = aux;
    141 
    142 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_JMICRON) {
    143 		if (jmide_lookup(pa->pa_id))
    144 			return (4); /* highter than ahcisata */
    145 	}
    146 	return (0);
    147 }
    148 
    149 static void
    150 jmide_attach(struct device *parent, struct device *self, void *aux)
    151 {
    152 	struct pci_attach_args *pa = aux;
    153 	struct jmide_softc *sc = (struct jmide_softc *)self;
    154 	const struct jmide_product *jp;
    155         char devinfo[256];
    156 	const char *intrstr;
    157         pci_intr_handle_t intrhandle;
    158 	u_int32_t pcictrl0 = pci_conf_read(pa->pa_pc, pa->pa_tag,
    159 	    PCI_JM_CONTROL0);
    160 	u_int32_t pcictrl1 = pci_conf_read(pa->pa_pc, pa->pa_tag,
    161 	    PCI_JM_CONTROL1);
    162 	struct pciide_product_desc *pp;
    163 	int ahci_used = 0;
    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_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
    174         aprint_naive(": JMICRON PATA/SATA disk controller\n");
    175         aprint_normal(": %s\n", devinfo);
    176 
    177 	aprint_normal("%s: ", JM_NAME(sc));
    178 	if (sc->sc_npata)
    179 		aprint_normal("%d PATA port%s", sc->sc_npata,
    180 		    (sc->sc_npata > 1) ? "s" : "");
    181 	if (sc->sc_nsata)
    182 		aprint_normal("%s%d SATA port%s", sc->sc_npata ? ", " : "",
    183 		    sc->sc_nsata, (sc->sc_nsata > 1) ? "s" : "");
    184 	aprint_normal("\n");
    185 
    186 	if (pci_intr_map(pa, &intrhandle) != 0) {
    187                 aprint_error("%s: couldn't map interrupt\n", JM_NAME(sc));
    188                 return;
    189         }
    190         intrstr = pci_intr_string(pa->pa_pc, intrhandle);
    191         sc->sc_pciide.sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle,
    192 	    IPL_BIO, jmide_intr, sc);
    193         if (sc->sc_pciide.sc_pci_ih == NULL) {
    194                 aprint_error("%s: couldn't establish interrupt", JM_NAME(sc));
    195                 return;
    196         }
    197         aprint_normal("%s: interrupting at %s\n", JM_NAME(sc),
    198             intrstr ? intrstr : "unknown interrupt");
    199 
    200 	if (pcictrl0 & JM_CONTROL0_AHCI_EN) {
    201 		bus_size_t size;
    202 		struct jmahci_attach_args jma;
    203 		u_int32_t saved_pcictrl0;
    204 		/*
    205 		 * ahci controller enabled; disable sata on pciide and
    206 		 * enable on ahci
    207 		 */
    208 		saved_pcictrl0 = pcictrl0;
    209 		pcictrl0 |= JM_CONTROL0_SATA0_AHCI | JM_CONTROL0_SATA1_AHCI;
    210 		pcictrl0 &= ~(JM_CONTROL0_SATA0_IDE | JM_CONTROL0_SATA1_IDE);
    211 		pci_conf_write(pa->pa_pc, pa->pa_tag,
    212 		    PCI_JM_CONTROL0, pcictrl0);
    213 		/* attach ahci controller if on the right function */
    214 		if ((pa->pa_function == 0 &&
    215 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) == 0) ||
    216 	    	    (pa->pa_function == 1 &&
    217 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) != 0)) {
    218 			jma.jma_pa = pa;
    219 			/* map registers */
    220 			if (pci_mapreg_map(pa, AHCI_PCI_ABAR,
    221 			    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
    222 			    &jma.jma_ahcit, &jma.jma_ahcih, NULL, &size) != 0) {
    223 				aprint_error("%s: can't map ahci registers\n",
    224 				    JM_NAME(sc));
    225 			} else {
    226 				sc->sc_ahci = config_found_ia(
    227 				    &sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev,
    228 				    "jmide_hl", &jma, jmahci_print);
    229 			}
    230 			/*
    231 			 * if we couldn't attach an ahci, try to fall back
    232 			 * to pciide. Note that this will not work if IDE
    233 			 * is on function 0 and AHCI on function 1.
    234 			 */
    235 			if (sc->sc_ahci == NULL) {
    236 				pcictrl0 = saved_pcictrl0 &
    237 				    ~(JM_CONTROL0_SATA0_AHCI |
    238 				      JM_CONTROL0_SATA1_AHCI |
    239 				      JM_CONTROL0_AHCI_EN);
    240 				pcictrl0 |= JM_CONTROL0_SATA1_IDE |
    241 					JM_CONTROL0_SATA0_IDE;
    242 				pci_conf_write(pa->pa_pc, pa->pa_tag,
    243 				    PCI_JM_CONTROL0, pcictrl0);
    244 			} else
    245 				ahci_used = 1;
    246 		}
    247 	}
    248 	sc->sc_chan_swap = ((pcictrl0 & JM_CONTROL0_PCIIDE_CS) != 0);
    249 	/* compute the type of internal primary channel */
    250 	if (pcictrl1 & JM_CONTROL1_PATA1_PRI) {
    251 		if (sc->sc_npata > 1)
    252 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_PATA;
    253 		else
    254 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    255 	} else if (ahci_used == 0 && sc->sc_nsata > 0)
    256 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_SATA;
    257 	else
    258 		sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    259 	/* compute the type of internal secondary channel */
    260 	if (sc->sc_nsata > 1 && ahci_used == 0 &&
    261 	    (pcictrl0 & JM_CONTROL0_PCIIDE0_MS) == 0) {
    262 		sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_SATA;
    263 	} else {
    264 		/* only a drive if first PATA enabled */
    265 		if (sc->sc_npata > 0 && (pcictrl0 & JM_CONTROL0_PATA0_EN)
    266 		    && (pcictrl0 &
    267 		    (sc->sc_chan_swap ? JM_CONTROL0_PATA0_PRI: JM_CONTROL0_PATA0_SEC)))
    268 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_PATA;
    269 		else
    270 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
    271 	}
    272 
    273 	if (sc->sc_chan_type[0] == TYPE_NONE &&
    274 	    sc->sc_chan_type[1] == TYPE_NONE)
    275 		return;
    276 	if (pa->pa_function == 0 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1))
    277 		return;
    278 	if (pa->pa_function == 1 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1) == 0)
    279 		return;
    280 	pp = malloc(sizeof(struct pciide_product_desc), M_DEVBUF, M_NOWAIT);
    281 	if (pp == NULL) {
    282 		aprint_error("%s: can't malloc sc_pp\n", JM_NAME(sc));
    283 		return;
    284 	}
    285 	aprint_normal("%s: PCI IDE interface used", JM_NAME(sc));
    286 	pp->ide_product = 0;
    287 	pp->ide_flags = 0;
    288 	pp->ide_name = NULL;
    289 	pp->chip_map = jmpata_chip_map;
    290 	pciide_common_attach(&sc->sc_pciide, pa, pp);
    291 
    292 }
    293 
    294 static int
    295 jmide_intr(void *arg)
    296 {
    297 	struct jmide_softc *sc = arg;
    298 	int ret = 0;
    299 
    300 #ifdef NJMAHCI
    301 	if (sc->sc_ahci)
    302 		ret |= ahci_intr(sc->sc_ahci);
    303 #endif
    304 	if (sc->sc_npata)
    305 		ret |= pciide_pci_intr(&sc->sc_pciide);
    306 	return ret;
    307 }
    308 
    309 static void
    310 jmpata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
    311 {
    312 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    313 	int channel;
    314 	pcireg_t interface;
    315 	bus_size_t cmdsize, ctlsize;
    316 	struct pciide_channel *cp;
    317 
    318 	if (pciide_chipen(sc, pa) == 0)
    319 		return;
    320 	aprint_verbose("%s: bus-master DMA support present", JM_NAME(jmidesc));
    321 	pciide_mapreg_dma(sc, pa);
    322 	aprint_verbose("\n");
    323 	sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
    324 	if (sc->sc_dma_ok) {
    325 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
    326 		sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
    327 	}
    328 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
    329 	sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
    330 	sc->sc_wdcdev.sc_atac.atac_set_modes = jmpata_setup_channel;
    331 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
    332 	sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
    333 	wdc_allocate_regs(&sc->sc_wdcdev);
    334 	/*
    335          * can't rely on the PCI_CLASS_REG content if the chip was in raid
    336          * mode. We have to fake interface
    337          */
    338 	interface = PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
    339 	for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
    340 	    channel++) {
    341 		cp = &sc->pciide_channels[channel];
    342 		if (pciide_chansetup(sc, channel, interface) == 0)
    343 			continue;
    344 		aprint_normal("%s: %s channel is ", JM_NAME(jmidesc),
    345 		    PCIIDE_CHANNEL_NAME(channel));
    346 		switch(jmidesc->sc_chan_type[channel]) {
    347 		case TYPE_PATA:
    348 			aprint_normal("PATA");
    349 			break;
    350 		case TYPE_SATA:
    351 			aprint_normal("SATA");
    352 			break;
    353 		case TYPE_NONE:
    354 			aprint_normal("unused");
    355 			break;
    356 		default:
    357 			aprint_normal("impossible");
    358 			panic("jmide: wrong/uninitialised channel type");
    359 		}
    360 		aprint_normal("\n");
    361 		if (jmidesc->sc_chan_type[channel] == TYPE_NONE) {
    362 			cp->ata_channel.ch_flags |= ATACH_DISABLED;
    363 			continue;
    364 		}
    365 		pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
    366 			pciide_pci_intr);
    367 	}
    368 }
    369 
    370 static void
    371 jmpata_setup_channel(struct ata_channel *chp)
    372 {
    373 	struct ata_drive_datas *drvp;
    374 	int drive, s;
    375 	u_int32_t idedma_ctl;
    376 	struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
    377 	struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
    378 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    379 	int ide80p;
    380 
    381 	/* setup DMA if needed */
    382 	pciide_channel_dma_setup(cp);
    383 
    384 	idedma_ctl = 0;
    385 
    386 	/* cable type detect */
    387 	ide80p = 1;
    388 	if (chp->ch_channel == (jmidesc->sc_chan_swap ? 1 : 0)) {
    389 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    390 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL1) &
    391 		    JM_CONTROL1_PATA1_40P))
    392 			ide80p = 0;
    393 	} else {
    394 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    395 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL0) &
    396 		    JM_CONTROL0_PATA0_40P))
    397 			ide80p = 0;
    398 	}
    399 
    400 	for (drive = 0; drive < 2; drive++) {
    401 		drvp = &chp->ch_drive[drive];
    402 		/* If no drive, skip */
    403 		if ((drvp->drive_flags & DRIVE) == 0)
    404 			continue;
    405 		if (drvp->drive_flags & DRIVE_UDMA) {
    406 			/* use Ultra/DMA */
    407 			s = splbio();
    408 			drvp->drive_flags &= ~DRIVE_DMA;
    409 			if (drvp->UDMA_mode > 2 && ide80p == 0)
    410 				drvp->UDMA_mode = 2;
    411 			splx(s);
    412 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    413 		} else if (drvp->drive_flags & DRIVE_DMA) {
    414 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    415 		}
    416 	}
    417 	/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
    418 	if (idedma_ctl != 0) {
    419 		/* Add software bits in status register */
    420 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL],
    421 		    0, idedma_ctl);
    422 	}
    423 }
    424 
    425 static int
    426 jmahci_print(void *aux, const char *pnp)
    427 {
    428         if (pnp)
    429                 aprint_normal("ahcisata at %s", pnp);
    430 
    431         return (UNCONF);
    432 }
    433 
    434 
    435 #ifdef NJMAHCI
    436 static int  jmahci_match(struct device *, struct cfdata *, void *);
    437 static void jmahci_attach(struct device *, struct device *, void *);
    438 
    439 CFATTACH_DECL(jmahci, sizeof(struct ahci_softc),
    440 	jmahci_match, jmahci_attach, NULL, NULL);
    441 
    442 static int
    443 jmahci_match(struct device *parent, struct cfdata *match, void *aux)
    444 {
    445 	return 1;
    446 }
    447 
    448 static void
    449 jmahci_attach(struct device *parent, struct device *self, void *aux)
    450 {
    451 	struct jmahci_attach_args *jma = aux;
    452 	struct pci_attach_args *pa = jma->jma_pa;
    453 	struct ahci_softc *sc = (struct ahci_softc *)self;
    454 
    455 	aprint_naive(": AHCI disk controller\n");
    456 	aprint_normal("\n");
    457 
    458 	sc->sc_ahcit = jma->jma_ahcit;
    459 	sc->sc_ahcih = jma->jma_ahcih;
    460 	sc->sc_dmat = jma->jma_pa->pa_dmat;
    461 
    462 	if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
    463 		sc->sc_atac_capflags = ATAC_CAP_RAID;
    464 
    465 	ahci_attach(sc);
    466 }
    467 #endif
    468