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jmide.c revision 1.1
      1 /*	$NetBSD: jmide.c,v 1.1 2007/05/15 17:53:45 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  * 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 1.1 2007/05/15 17:53:45 bouyer 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 #define JM_NAME(sc) (sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev.dv_xname)
    115 
    116 CFATTACH_DECL(jmide, sizeof(struct jmide_softc),
    117     jmide_match, jmide_attach, NULL, NULL);
    118 
    119 static const struct jmide_product *
    120 jmide_lookup(pcireg_t id) {
    121 	const struct jmide_product *jp;
    122 
    123 	for (jp = jm_products; jp->jm_product != 0; jp++) {
    124 		if (jp->jm_product == PCI_PRODUCT(id))
    125 			return jp;
    126 	}
    127 	return NULL;
    128 }
    129 
    130 static int
    131 jmide_match(struct device *parent, struct cfdata *match,
    132     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(struct device *parent, struct device *self, void *aux)
    145 {
    146 	struct pci_attach_args *pa = aux;
    147 	struct jmide_softc *sc = (struct jmide_softc *)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 
    158 	jp = jmide_lookup(pa->pa_id);
    159 	if (jp == NULL) {
    160 		printf("jmide_attach: WTF?\n");
    161 		return;
    162 	}
    163 	sc->sc_npata = jp->jm_npata;
    164 	sc->sc_nsata = jp->jm_nsata;
    165 
    166 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
    167         aprint_naive(": JMICRON PATA/SATA disk controller\n");
    168         aprint_normal(": %s\n", devinfo);
    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 		/*
    195 		 * ahci controller enabled; disable sata on pciide and
    196 		 * enable on ahci
    197 		 */
    198 		pcictrl0 |= JM_CONTROL0_SATA0_AHCI | JM_CONTROL0_SATA1_AHCI;
    199 		pcictrl0 &= ~(JM_CONTROL0_SATA0_IDE | JM_CONTROL0_SATA1_IDE);
    200 		pci_conf_write(pa->pa_pc, pa->pa_tag,
    201 		    PCI_JM_CONTROL0, pcictrl0);
    202 		/* attach ahci controller if on the right function */
    203 		if ((pa->pa_function == 0 &&
    204 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) == 0) ||
    205 	    	    (pa->pa_function == 1 &&
    206 		      (pcictrl0 & JM_CONTROL0_AHCI_F1) != 0)) {
    207 			sc->sc_ahci = config_found_ia(
    208 			    &sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev,
    209 			    "jmide_hl", pa, jmahci_print);
    210 		}
    211 	}
    212 	sc->sc_chan_swap = ((pcictrl0 & JM_CONTROL0_PCIIDE_CS) != 0);
    213 	/* compute the type of internal primary channel */
    214 	if ((pcictrl0 & JM_CONTROL0_AHCI_EN) || sc->sc_nsata == 0) {
    215 		/* only a drive if second PATA enabled */
    216 		if (sc->sc_npata > 1 && (pcictrl1 & JM_CONTROL1_PATA1_PRI)
    217 		    && (pcictrl1 & JM_CONTROL1_PATA1_EN))
    218 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_PATA;
    219 		else
    220 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
    221 	} else {
    222 		/* always SATA here */
    223 			sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_SATA;
    224 	}
    225 	/* compute the type of internal secondary channel */
    226 	if (((pcictrl0 & JM_CONTROL0_AHCI_EN) &&
    227 	    (pcictrl0 & JM_CONTROL0_PCIIDE0_MS)) || sc->sc_nsata == 0) {
    228 		/* only a drive if first PATA enabled */
    229 		if (sc->sc_npata > 0 && (pcictrl0 & JM_CONTROL0_PATA0_EN)
    230 		    && (pcictrl0 &
    231 		    (sc->sc_chan_swap ? JM_CONTROL0_PATA0_PRI: JM_CONTROL0_PATA0_SEC)))
    232 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_PATA;
    233 		else
    234 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
    235 	} else {
    236 		if (sc->sc_nsata && (pcictrl0 & JM_CONTROL0_AHCI_EN) &&
    237 		    (pcictrl0 & JM_CONTROL0_PCIIDE0_MS) == 0)
    238 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_SATA;
    239 		else
    240 			sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
    241 	}
    242 	if (sc->sc_chan_type[0] == TYPE_NONE &&
    243 	    sc->sc_chan_type[1] == TYPE_NONE)
    244 		return;
    245 	if (pa->pa_function == 0 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1))
    246 		return;
    247 	if (pa->pa_function == 1 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1) == 0)
    248 		return;
    249 	pp = malloc(sizeof(struct pciide_product_desc), M_DEVBUF, M_NOWAIT);
    250 	if (pp == NULL) {
    251 		aprint_error("%s: can't malloc sc_pp\n", JM_NAME(sc));
    252 		return;
    253 	}
    254 	aprint_normal("%s: PCI IDE interface used", JM_NAME(sc));
    255 	pp->ide_product = 0;
    256 	pp->ide_flags = 0;
    257 	pp->ide_name = NULL;
    258 	pp->chip_map = jmpata_chip_map;
    259 	pciide_common_attach(&sc->sc_pciide, pa, pp);
    260 
    261 }
    262 
    263 static int
    264 jmide_intr(void *arg)
    265 {
    266 	struct jmide_softc *sc = arg;
    267 	int ret = 0;
    268 
    269 #ifdef NJMAHCI
    270 	if (sc->sc_ahci)
    271 		ret |= ahci_intr(sc->sc_ahci);
    272 #endif
    273 	if (sc->sc_npata)
    274 		ret |= pciide_pci_intr(&sc->sc_pciide);
    275 	return ret;
    276 }
    277 
    278 static void
    279 jmpata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
    280 {
    281 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    282 	int channel;
    283 	pcireg_t interface;
    284 	bus_size_t cmdsize, ctlsize;
    285 	struct pciide_channel *cp;
    286 
    287 	if (pciide_chipen(sc, pa) == 0)
    288 		return;
    289 	aprint_verbose("%s: bus-master DMA support present", JM_NAME(jmidesc));
    290 	pciide_mapreg_dma(sc, pa);
    291 	aprint_verbose("\n");
    292 	sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
    293 	if (sc->sc_dma_ok) {
    294 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
    295 		sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
    296 	}
    297 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
    298 	sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
    299 	sc->sc_wdcdev.sc_atac.atac_set_modes = jmpata_setup_channel;
    300 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
    301 	sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
    302 	wdc_allocate_regs(&sc->sc_wdcdev);
    303 	/*
    304          * can't rely on the PCI_CLASS_REG content if the chip was in raid
    305          * mode. We have to fake interface
    306          */
    307 	interface = PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
    308 	for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
    309 	    channel++) {
    310 		cp = &sc->pciide_channels[channel];
    311 		if (pciide_chansetup(sc, channel, interface) == 0)
    312 			continue;
    313 		aprint_normal("%s: %s channel is ", JM_NAME(jmidesc),
    314 		    PCIIDE_CHANNEL_NAME(channel));
    315 		switch(jmidesc->sc_chan_type[channel]) {
    316 		case TYPE_PATA:
    317 			aprint_normal("PATA");
    318 			break;
    319 		case TYPE_SATA:
    320 			aprint_normal("SATA");
    321 			break;
    322 		case TYPE_NONE:
    323 			aprint_normal("unused");
    324 			break;
    325 		default:
    326 			aprint_normal("impossible");
    327 			panic("jmide: wrong/uninitialised channel type");
    328 		}
    329 		aprint_normal("\n");
    330 		if (jmidesc->sc_chan_type[channel] == TYPE_NONE) {
    331 			cp->ata_channel.ch_flags |= ATACH_DISABLED;
    332 			continue;
    333 		}
    334 		pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
    335 			pciide_pci_intr);
    336 	}
    337 }
    338 
    339 static void
    340 jmpata_setup_channel(struct ata_channel *chp)
    341 {
    342 	struct ata_drive_datas *drvp;
    343 	int drive, s;
    344 	u_int32_t idedma_ctl;
    345 	struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
    346 	struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
    347 	struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
    348 	int ide80p;
    349 
    350 	/* setup DMA if needed */
    351 	pciide_channel_dma_setup(cp);
    352 
    353 	idedma_ctl = 0;
    354 
    355 	/* cable type detect */
    356 	ide80p = 1;
    357 	if (chp->ch_channel == (jmidesc->sc_chan_swap ? 1 : 0)) {
    358 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    359 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL1) &
    360 		    JM_CONTROL1_PATA1_40P))
    361 			ide80p = 0;
    362 	} else {
    363 		if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
    364 		    (pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL0) &
    365 		    JM_CONTROL0_PATA0_40P))
    366 			ide80p = 0;
    367 	}
    368 
    369 	for (drive = 0; drive < 2; drive++) {
    370 		drvp = &chp->ch_drive[drive];
    371 		/* If no drive, skip */
    372 		if ((drvp->drive_flags & DRIVE) == 0)
    373 			continue;
    374 		if (drvp->drive_flags & DRIVE_UDMA) {
    375 			/* use Ultra/DMA */
    376 			s = splbio();
    377 			drvp->drive_flags &= ~DRIVE_DMA;
    378 			if (drvp->UDMA_mode > 2 && ide80p == 0)
    379 				drvp->UDMA_mode = 2;
    380 			splx(s);
    381 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    382 		} else if (drvp->drive_flags & DRIVE_DMA) {
    383 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    384 		}
    385 	}
    386 	/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
    387 	if (idedma_ctl != 0) {
    388 		/* Add software bits in status register */
    389 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL],
    390 		    0, idedma_ctl);
    391 	}
    392 }
    393 
    394 static int
    395 jmahci_print(void *aux, const char *pnp)
    396 {
    397         if (pnp)
    398                 aprint_normal("ahcisata at %s", pnp);
    399 
    400         return (UNCONF);
    401 }
    402 
    403 
    404 #ifdef NJMAHCI
    405 static int  jmahci_match(struct device *, struct cfdata *, void *);
    406 static void jmahci_attach(struct device *, struct device *, void *);
    407 
    408 CFATTACH_DECL(jmahci, sizeof(struct ahci_softc),
    409 	jmahci_match, jmahci_attach, NULL, NULL);
    410 
    411 static int
    412 jmahci_match(struct device *parent, struct cfdata *match, void *aux)
    413 {
    414 	return 1;
    415 }
    416 
    417 static void
    418 jmahci_attach(struct device *parent, struct device *self, void *aux)
    419 {
    420 	struct pci_attach_args *pa = aux;
    421 	struct ahci_softc *sc = (struct ahci_softc *)self;
    422 	bus_size_t size;
    423 
    424 	if (pci_mapreg_map(pa, AHCI_PCI_ABAR,
    425 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
    426 	    &sc->sc_ahcit, &sc->sc_ahcih, NULL, &size) != 0) {
    427 		aprint_error("%s: can't map ahci registers\n", AHCINAME(sc));
    428 		return;
    429 	}
    430 	aprint_naive(": AHCI disk controller\n");
    431 	aprint_normal("\n");
    432 
    433 	sc->sc_dmat = pa->pa_dmat;
    434 	ahci_attach(sc);
    435 }
    436 #endif
    437