1*d6b3aaf8SOleksandr Tymoshenko /*- 2*d6b3aaf8SOleksandr Tymoshenko * Copyright (c) 2008 Alexander Motin <mav@FreeBSD.org> 3*d6b3aaf8SOleksandr Tymoshenko * All rights reserved. 4*d6b3aaf8SOleksandr Tymoshenko * 5*d6b3aaf8SOleksandr Tymoshenko * Redistribution and use in source and binary forms, with or without 6*d6b3aaf8SOleksandr Tymoshenko * modification, are permitted provided that the following conditions 7*d6b3aaf8SOleksandr Tymoshenko * are met: 8*d6b3aaf8SOleksandr Tymoshenko * 1. Redistributions of source code must retain the above copyright 9*d6b3aaf8SOleksandr Tymoshenko * notice, this list of conditions and the following disclaimer. 10*d6b3aaf8SOleksandr Tymoshenko * 2. Redistributions in binary form must reproduce the above copyright 11*d6b3aaf8SOleksandr Tymoshenko * notice, this list of conditions and the following disclaimer in the 12*d6b3aaf8SOleksandr Tymoshenko * documentation and/or other materials provided with the distribution. 13*d6b3aaf8SOleksandr Tymoshenko * 14*d6b3aaf8SOleksandr Tymoshenko * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15*d6b3aaf8SOleksandr Tymoshenko * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16*d6b3aaf8SOleksandr Tymoshenko * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17*d6b3aaf8SOleksandr Tymoshenko * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18*d6b3aaf8SOleksandr Tymoshenko * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19*d6b3aaf8SOleksandr Tymoshenko * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20*d6b3aaf8SOleksandr Tymoshenko * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21*d6b3aaf8SOleksandr Tymoshenko * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22*d6b3aaf8SOleksandr Tymoshenko * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23*d6b3aaf8SOleksandr Tymoshenko * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24*d6b3aaf8SOleksandr Tymoshenko */ 25*d6b3aaf8SOleksandr Tymoshenko 26*d6b3aaf8SOleksandr Tymoshenko #include <sys/cdefs.h> 27*d6b3aaf8SOleksandr Tymoshenko __FBSDID("$FreeBSD$"); 28*d6b3aaf8SOleksandr Tymoshenko 29*d6b3aaf8SOleksandr Tymoshenko #include <sys/param.h> 30*d6b3aaf8SOleksandr Tymoshenko #include <sys/systm.h> 31*d6b3aaf8SOleksandr Tymoshenko #include <sys/bus.h> 32*d6b3aaf8SOleksandr Tymoshenko #include <sys/conf.h> 33*d6b3aaf8SOleksandr Tymoshenko #include <sys/kernel.h> 34*d6b3aaf8SOleksandr Tymoshenko #include <sys/lock.h> 35*d6b3aaf8SOleksandr Tymoshenko #include <sys/module.h> 36*d6b3aaf8SOleksandr Tymoshenko #include <sys/mutex.h> 37*d6b3aaf8SOleksandr Tymoshenko #include <sys/resource.h> 38*d6b3aaf8SOleksandr Tymoshenko #include <sys/rman.h> 39*d6b3aaf8SOleksandr Tymoshenko #include <sys/sysctl.h> 40*d6b3aaf8SOleksandr Tymoshenko #include <sys/taskqueue.h> 41*d6b3aaf8SOleksandr Tymoshenko 42*d6b3aaf8SOleksandr Tymoshenko #include <dev/pci/pcireg.h> 43*d6b3aaf8SOleksandr Tymoshenko #include <dev/pci/pcivar.h> 44*d6b3aaf8SOleksandr Tymoshenko 45*d6b3aaf8SOleksandr Tymoshenko #include <machine/bus.h> 46*d6b3aaf8SOleksandr Tymoshenko #include <machine/resource.h> 47*d6b3aaf8SOleksandr Tymoshenko #include <machine/stdarg.h> 48*d6b3aaf8SOleksandr Tymoshenko 49*d6b3aaf8SOleksandr Tymoshenko #include <dev/mmc/bridge.h> 50*d6b3aaf8SOleksandr Tymoshenko #include <dev/mmc/mmcreg.h> 51*d6b3aaf8SOleksandr Tymoshenko #include <dev/mmc/mmcbrvar.h> 52*d6b3aaf8SOleksandr Tymoshenko 53*d6b3aaf8SOleksandr Tymoshenko #include "sdhci.h" 54*d6b3aaf8SOleksandr Tymoshenko #include "mmcbr_if.h" 55*d6b3aaf8SOleksandr Tymoshenko #include "sdhci_if.h" 56*d6b3aaf8SOleksandr Tymoshenko 57*d6b3aaf8SOleksandr Tymoshenko /* 58*d6b3aaf8SOleksandr Tymoshenko * PCI registers 59*d6b3aaf8SOleksandr Tymoshenko */ 60*d6b3aaf8SOleksandr Tymoshenko 61*d6b3aaf8SOleksandr Tymoshenko #define PCI_SDHCI_IFPIO 0x00 62*d6b3aaf8SOleksandr Tymoshenko #define PCI_SDHCI_IFDMA 0x01 63*d6b3aaf8SOleksandr Tymoshenko #define PCI_SDHCI_IFVENDOR 0x02 64*d6b3aaf8SOleksandr Tymoshenko 65*d6b3aaf8SOleksandr Tymoshenko #define PCI_SLOT_INFO 0x40 /* 8 bits */ 66*d6b3aaf8SOleksandr Tymoshenko #define PCI_SLOT_INFO_SLOTS(x) (((x >> 4) & 7) + 1) 67*d6b3aaf8SOleksandr Tymoshenko #define PCI_SLOT_INFO_FIRST_BAR(x) ((x) & 7) 68*d6b3aaf8SOleksandr Tymoshenko 69*d6b3aaf8SOleksandr Tymoshenko /* 70*d6b3aaf8SOleksandr Tymoshenko * RICOH specific PCI registers 71*d6b3aaf8SOleksandr Tymoshenko */ 72*d6b3aaf8SOleksandr Tymoshenko #define SDHC_PCI_MODE_KEY 0xf9 73*d6b3aaf8SOleksandr Tymoshenko #define SDHC_PCI_MODE 0x150 74*d6b3aaf8SOleksandr Tymoshenko #define SDHC_PCI_MODE_SD20 0x10 75*d6b3aaf8SOleksandr Tymoshenko #define SDHC_PCI_BASE_FREQ_KEY 0xfc 76*d6b3aaf8SOleksandr Tymoshenko #define SDHC_PCI_BASE_FREQ 0xe1 77*d6b3aaf8SOleksandr Tymoshenko 78*d6b3aaf8SOleksandr Tymoshenko static const struct sdhci_device { 79*d6b3aaf8SOleksandr Tymoshenko uint32_t model; 80*d6b3aaf8SOleksandr Tymoshenko uint16_t subvendor; 81*d6b3aaf8SOleksandr Tymoshenko char *desc; 82*d6b3aaf8SOleksandr Tymoshenko u_int quirks; 83*d6b3aaf8SOleksandr Tymoshenko } sdhci_devices[] = { 84*d6b3aaf8SOleksandr Tymoshenko { 0x08221180, 0xffff, "RICOH R5C822 SD", 85*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_FORCE_DMA }, 86*d6b3aaf8SOleksandr Tymoshenko { 0xe8221180, 0xffff, "RICOH SD", 87*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_FORCE_DMA }, 88*d6b3aaf8SOleksandr Tymoshenko { 0xe8231180, 0xffff, "RICOH R5CE823 SD", 89*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_LOWER_FREQUENCY }, 90*d6b3aaf8SOleksandr Tymoshenko { 0x8034104c, 0xffff, "TI XX21/XX11 SD", 91*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_FORCE_DMA }, 92*d6b3aaf8SOleksandr Tymoshenko { 0x05501524, 0xffff, "ENE CB712 SD", 93*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_BROKEN_TIMINGS }, 94*d6b3aaf8SOleksandr Tymoshenko { 0x05511524, 0xffff, "ENE CB712 SD 2", 95*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_BROKEN_TIMINGS }, 96*d6b3aaf8SOleksandr Tymoshenko { 0x07501524, 0xffff, "ENE CB714 SD", 97*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_RESET_ON_IOS | 98*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_BROKEN_TIMINGS }, 99*d6b3aaf8SOleksandr Tymoshenko { 0x07511524, 0xffff, "ENE CB714 SD 2", 100*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_RESET_ON_IOS | 101*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_BROKEN_TIMINGS }, 102*d6b3aaf8SOleksandr Tymoshenko { 0x410111ab, 0xffff, "Marvell CaFe SD", 103*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_INCR_TIMEOUT_CONTROL }, 104*d6b3aaf8SOleksandr Tymoshenko { 0x2381197B, 0xffff, "JMicron JMB38X SD", 105*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_32BIT_DMA_SIZE | 106*d6b3aaf8SOleksandr Tymoshenko SDHCI_QUIRK_RESET_AFTER_REQUEST }, 107*d6b3aaf8SOleksandr Tymoshenko { 0, 0xffff, NULL, 108*d6b3aaf8SOleksandr Tymoshenko 0 } 109*d6b3aaf8SOleksandr Tymoshenko }; 110*d6b3aaf8SOleksandr Tymoshenko 111*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc { 112*d6b3aaf8SOleksandr Tymoshenko device_t dev; /* Controller device */ 113*d6b3aaf8SOleksandr Tymoshenko u_int quirks; /* Chip specific quirks */ 114*d6b3aaf8SOleksandr Tymoshenko struct resource *irq_res; /* IRQ resource */ 115*d6b3aaf8SOleksandr Tymoshenko int irq_rid; 116*d6b3aaf8SOleksandr Tymoshenko void *intrhand; /* Interrupt handle */ 117*d6b3aaf8SOleksandr Tymoshenko 118*d6b3aaf8SOleksandr Tymoshenko int num_slots; /* Number of slots on this controller */ 119*d6b3aaf8SOleksandr Tymoshenko struct sdhci_slot slots[6]; 120*d6b3aaf8SOleksandr Tymoshenko struct resource *mem_res[6]; /* Memory resource */ 121*d6b3aaf8SOleksandr Tymoshenko int mem_rid[6]; 122*d6b3aaf8SOleksandr Tymoshenko }; 123*d6b3aaf8SOleksandr Tymoshenko 124*d6b3aaf8SOleksandr Tymoshenko static SYSCTL_NODE(_hw, OID_AUTO, sdhci_pci, CTLFLAG_RD, 0, "sdhci PCI driver"); 125*d6b3aaf8SOleksandr Tymoshenko 126*d6b3aaf8SOleksandr Tymoshenko int sdhci_pci_debug; 127*d6b3aaf8SOleksandr Tymoshenko TUNABLE_INT("hw.sdhci_pci.debug", &sdhci_pci_debug); 128*d6b3aaf8SOleksandr Tymoshenko SYSCTL_INT(_hw_sdhci_pci, OID_AUTO, debug, CTLFLAG_RW, &sdhci_pci_debug, 0, "Debug level"); 129*d6b3aaf8SOleksandr Tymoshenko 130*d6b3aaf8SOleksandr Tymoshenko static uint8_t 131*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_read_1(device_t dev, struct sdhci_slot *slot, bus_size_t off) 132*d6b3aaf8SOleksandr Tymoshenko { 133*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 134*d6b3aaf8SOleksandr Tymoshenko 135*d6b3aaf8SOleksandr Tymoshenko bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 136*d6b3aaf8SOleksandr Tymoshenko BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 137*d6b3aaf8SOleksandr Tymoshenko return bus_read_1(sc->mem_res[slot->num], off); 138*d6b3aaf8SOleksandr Tymoshenko } 139*d6b3aaf8SOleksandr Tymoshenko 140*d6b3aaf8SOleksandr Tymoshenko static void 141*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_write_1(device_t dev, struct sdhci_slot *slot, bus_size_t off, uint8_t val) 142*d6b3aaf8SOleksandr Tymoshenko { 143*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 144*d6b3aaf8SOleksandr Tymoshenko 145*d6b3aaf8SOleksandr Tymoshenko bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 146*d6b3aaf8SOleksandr Tymoshenko BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 147*d6b3aaf8SOleksandr Tymoshenko bus_write_1(sc->mem_res[slot->num], off, val); 148*d6b3aaf8SOleksandr Tymoshenko } 149*d6b3aaf8SOleksandr Tymoshenko 150*d6b3aaf8SOleksandr Tymoshenko static uint16_t 151*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_read_2(device_t dev, struct sdhci_slot *slot, bus_size_t off) 152*d6b3aaf8SOleksandr Tymoshenko { 153*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 154*d6b3aaf8SOleksandr Tymoshenko 155*d6b3aaf8SOleksandr Tymoshenko bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 156*d6b3aaf8SOleksandr Tymoshenko BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 157*d6b3aaf8SOleksandr Tymoshenko return bus_read_2(sc->mem_res[slot->num], off); 158*d6b3aaf8SOleksandr Tymoshenko } 159*d6b3aaf8SOleksandr Tymoshenko 160*d6b3aaf8SOleksandr Tymoshenko static void 161*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_write_2(device_t dev, struct sdhci_slot *slot, bus_size_t off, uint16_t val) 162*d6b3aaf8SOleksandr Tymoshenko { 163*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 164*d6b3aaf8SOleksandr Tymoshenko 165*d6b3aaf8SOleksandr Tymoshenko bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 166*d6b3aaf8SOleksandr Tymoshenko BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 167*d6b3aaf8SOleksandr Tymoshenko bus_write_2(sc->mem_res[slot->num], off, val); 168*d6b3aaf8SOleksandr Tymoshenko } 169*d6b3aaf8SOleksandr Tymoshenko 170*d6b3aaf8SOleksandr Tymoshenko static uint32_t 171*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_read_4(device_t dev, struct sdhci_slot *slot, bus_size_t off) 172*d6b3aaf8SOleksandr Tymoshenko { 173*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 174*d6b3aaf8SOleksandr Tymoshenko 175*d6b3aaf8SOleksandr Tymoshenko bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 176*d6b3aaf8SOleksandr Tymoshenko BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 177*d6b3aaf8SOleksandr Tymoshenko return bus_read_4(sc->mem_res[slot->num], off); 178*d6b3aaf8SOleksandr Tymoshenko } 179*d6b3aaf8SOleksandr Tymoshenko 180*d6b3aaf8SOleksandr Tymoshenko static void 181*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_write_4(device_t dev, struct sdhci_slot *slot, bus_size_t off, uint32_t val) 182*d6b3aaf8SOleksandr Tymoshenko { 183*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 184*d6b3aaf8SOleksandr Tymoshenko 185*d6b3aaf8SOleksandr Tymoshenko bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 186*d6b3aaf8SOleksandr Tymoshenko BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 187*d6b3aaf8SOleksandr Tymoshenko bus_write_4(sc->mem_res[slot->num], off, val); 188*d6b3aaf8SOleksandr Tymoshenko } 189*d6b3aaf8SOleksandr Tymoshenko 190*d6b3aaf8SOleksandr Tymoshenko static void 191*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_read_multi_4(device_t dev, struct sdhci_slot *slot, 192*d6b3aaf8SOleksandr Tymoshenko bus_size_t off, uint32_t *data, bus_size_t count) 193*d6b3aaf8SOleksandr Tymoshenko { 194*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 195*d6b3aaf8SOleksandr Tymoshenko 196*d6b3aaf8SOleksandr Tymoshenko bus_read_multi_stream_4(sc->mem_res[slot->num], off, data, count); 197*d6b3aaf8SOleksandr Tymoshenko } 198*d6b3aaf8SOleksandr Tymoshenko 199*d6b3aaf8SOleksandr Tymoshenko static void 200*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_write_multi_4(device_t dev, struct sdhci_slot *slot, 201*d6b3aaf8SOleksandr Tymoshenko bus_size_t off, uint32_t *data, bus_size_t count) 202*d6b3aaf8SOleksandr Tymoshenko { 203*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 204*d6b3aaf8SOleksandr Tymoshenko 205*d6b3aaf8SOleksandr Tymoshenko bus_write_multi_stream_4(sc->mem_res[slot->num], off, data, count); 206*d6b3aaf8SOleksandr Tymoshenko } 207*d6b3aaf8SOleksandr Tymoshenko 208*d6b3aaf8SOleksandr Tymoshenko static void sdhci_pci_intr(void *arg); 209*d6b3aaf8SOleksandr Tymoshenko 210*d6b3aaf8SOleksandr Tymoshenko static void 211*d6b3aaf8SOleksandr Tymoshenko sdhci_lower_frequency(device_t dev) 212*d6b3aaf8SOleksandr Tymoshenko { 213*d6b3aaf8SOleksandr Tymoshenko 214*d6b3aaf8SOleksandr Tymoshenko /* Enable SD2.0 mode. */ 215*d6b3aaf8SOleksandr Tymoshenko pci_write_config(dev, SDHC_PCI_MODE_KEY, 0xfc, 1); 216*d6b3aaf8SOleksandr Tymoshenko pci_write_config(dev, SDHC_PCI_MODE, SDHC_PCI_MODE_SD20, 1); 217*d6b3aaf8SOleksandr Tymoshenko pci_write_config(dev, SDHC_PCI_MODE_KEY, 0x00, 1); 218*d6b3aaf8SOleksandr Tymoshenko 219*d6b3aaf8SOleksandr Tymoshenko /* 220*d6b3aaf8SOleksandr Tymoshenko * Some SD/MMC cards don't work with the default base 221*d6b3aaf8SOleksandr Tymoshenko * clock frequency of 200MHz. Lower it to 50Hz. 222*d6b3aaf8SOleksandr Tymoshenko */ 223*d6b3aaf8SOleksandr Tymoshenko pci_write_config(dev, SDHC_PCI_BASE_FREQ_KEY, 0x01, 1); 224*d6b3aaf8SOleksandr Tymoshenko pci_write_config(dev, SDHC_PCI_BASE_FREQ, 50, 1); 225*d6b3aaf8SOleksandr Tymoshenko pci_write_config(dev, SDHC_PCI_BASE_FREQ_KEY, 0x00, 1); 226*d6b3aaf8SOleksandr Tymoshenko } 227*d6b3aaf8SOleksandr Tymoshenko 228*d6b3aaf8SOleksandr Tymoshenko static int 229*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_probe(device_t dev) 230*d6b3aaf8SOleksandr Tymoshenko { 231*d6b3aaf8SOleksandr Tymoshenko uint32_t model; 232*d6b3aaf8SOleksandr Tymoshenko uint16_t subvendor; 233*d6b3aaf8SOleksandr Tymoshenko uint8_t class, subclass; 234*d6b3aaf8SOleksandr Tymoshenko int i, result; 235*d6b3aaf8SOleksandr Tymoshenko 236*d6b3aaf8SOleksandr Tymoshenko model = (uint32_t)pci_get_device(dev) << 16; 237*d6b3aaf8SOleksandr Tymoshenko model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 238*d6b3aaf8SOleksandr Tymoshenko subvendor = pci_get_subvendor(dev); 239*d6b3aaf8SOleksandr Tymoshenko class = pci_get_class(dev); 240*d6b3aaf8SOleksandr Tymoshenko subclass = pci_get_subclass(dev); 241*d6b3aaf8SOleksandr Tymoshenko 242*d6b3aaf8SOleksandr Tymoshenko result = ENXIO; 243*d6b3aaf8SOleksandr Tymoshenko for (i = 0; sdhci_devices[i].model != 0; i++) { 244*d6b3aaf8SOleksandr Tymoshenko if (sdhci_devices[i].model == model && 245*d6b3aaf8SOleksandr Tymoshenko (sdhci_devices[i].subvendor == 0xffff || 246*d6b3aaf8SOleksandr Tymoshenko sdhci_devices[i].subvendor == subvendor)) { 247*d6b3aaf8SOleksandr Tymoshenko device_set_desc(dev, sdhci_devices[i].desc); 248*d6b3aaf8SOleksandr Tymoshenko result = BUS_PROBE_DEFAULT; 249*d6b3aaf8SOleksandr Tymoshenko break; 250*d6b3aaf8SOleksandr Tymoshenko } 251*d6b3aaf8SOleksandr Tymoshenko } 252*d6b3aaf8SOleksandr Tymoshenko if (result == ENXIO && class == PCIC_BASEPERIPH && 253*d6b3aaf8SOleksandr Tymoshenko subclass == PCIS_BASEPERIPH_SDHC) { 254*d6b3aaf8SOleksandr Tymoshenko device_set_desc(dev, "Generic SD HCI"); 255*d6b3aaf8SOleksandr Tymoshenko result = BUS_PROBE_GENERIC; 256*d6b3aaf8SOleksandr Tymoshenko } 257*d6b3aaf8SOleksandr Tymoshenko 258*d6b3aaf8SOleksandr Tymoshenko return (result); 259*d6b3aaf8SOleksandr Tymoshenko } 260*d6b3aaf8SOleksandr Tymoshenko 261*d6b3aaf8SOleksandr Tymoshenko static int 262*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_attach(device_t dev) 263*d6b3aaf8SOleksandr Tymoshenko { 264*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 265*d6b3aaf8SOleksandr Tymoshenko uint32_t model; 266*d6b3aaf8SOleksandr Tymoshenko uint16_t subvendor; 267*d6b3aaf8SOleksandr Tymoshenko uint8_t class, subclass, progif; 268*d6b3aaf8SOleksandr Tymoshenko int err, slots, bar, i; 269*d6b3aaf8SOleksandr Tymoshenko 270*d6b3aaf8SOleksandr Tymoshenko sc->dev = dev; 271*d6b3aaf8SOleksandr Tymoshenko model = (uint32_t)pci_get_device(dev) << 16; 272*d6b3aaf8SOleksandr Tymoshenko model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 273*d6b3aaf8SOleksandr Tymoshenko subvendor = pci_get_subvendor(dev); 274*d6b3aaf8SOleksandr Tymoshenko class = pci_get_class(dev); 275*d6b3aaf8SOleksandr Tymoshenko subclass = pci_get_subclass(dev); 276*d6b3aaf8SOleksandr Tymoshenko progif = pci_get_progif(dev); 277*d6b3aaf8SOleksandr Tymoshenko /* Apply chip specific quirks. */ 278*d6b3aaf8SOleksandr Tymoshenko for (i = 0; sdhci_devices[i].model != 0; i++) { 279*d6b3aaf8SOleksandr Tymoshenko if (sdhci_devices[i].model == model && 280*d6b3aaf8SOleksandr Tymoshenko (sdhci_devices[i].subvendor == 0xffff || 281*d6b3aaf8SOleksandr Tymoshenko sdhci_devices[i].subvendor == subvendor)) { 282*d6b3aaf8SOleksandr Tymoshenko sc->quirks = sdhci_devices[i].quirks; 283*d6b3aaf8SOleksandr Tymoshenko break; 284*d6b3aaf8SOleksandr Tymoshenko } 285*d6b3aaf8SOleksandr Tymoshenko } 286*d6b3aaf8SOleksandr Tymoshenko /* Some controllers need to be bumped into the right mode. */ 287*d6b3aaf8SOleksandr Tymoshenko if (sc->quirks & SDHCI_QUIRK_LOWER_FREQUENCY) 288*d6b3aaf8SOleksandr Tymoshenko sdhci_lower_frequency(dev); 289*d6b3aaf8SOleksandr Tymoshenko /* Read slots info from PCI registers. */ 290*d6b3aaf8SOleksandr Tymoshenko slots = pci_read_config(dev, PCI_SLOT_INFO, 1); 291*d6b3aaf8SOleksandr Tymoshenko bar = PCI_SLOT_INFO_FIRST_BAR(slots); 292*d6b3aaf8SOleksandr Tymoshenko slots = PCI_SLOT_INFO_SLOTS(slots); 293*d6b3aaf8SOleksandr Tymoshenko if (slots > 6 || bar > 5) { 294*d6b3aaf8SOleksandr Tymoshenko device_printf(dev, "Incorrect slots information (%d, %d).\n", 295*d6b3aaf8SOleksandr Tymoshenko slots, bar); 296*d6b3aaf8SOleksandr Tymoshenko return (EINVAL); 297*d6b3aaf8SOleksandr Tymoshenko } 298*d6b3aaf8SOleksandr Tymoshenko /* Allocate IRQ. */ 299*d6b3aaf8SOleksandr Tymoshenko sc->irq_rid = 0; 300*d6b3aaf8SOleksandr Tymoshenko sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 301*d6b3aaf8SOleksandr Tymoshenko RF_SHAREABLE | RF_ACTIVE); 302*d6b3aaf8SOleksandr Tymoshenko if (sc->irq_res == NULL) { 303*d6b3aaf8SOleksandr Tymoshenko device_printf(dev, "Can't allocate IRQ\n"); 304*d6b3aaf8SOleksandr Tymoshenko return (ENOMEM); 305*d6b3aaf8SOleksandr Tymoshenko } 306*d6b3aaf8SOleksandr Tymoshenko /* Scan all slots. */ 307*d6b3aaf8SOleksandr Tymoshenko for (i = 0; i < slots; i++) { 308*d6b3aaf8SOleksandr Tymoshenko struct sdhci_slot *slot = &sc->slots[sc->num_slots]; 309*d6b3aaf8SOleksandr Tymoshenko 310*d6b3aaf8SOleksandr Tymoshenko /* Allocate memory. */ 311*d6b3aaf8SOleksandr Tymoshenko sc->mem_rid[i] = PCIR_BAR(bar + i); 312*d6b3aaf8SOleksandr Tymoshenko sc->mem_res[i] = bus_alloc_resource(dev, 313*d6b3aaf8SOleksandr Tymoshenko SYS_RES_MEMORY, &(sc->mem_rid[i]), 0ul, ~0ul, 0x100, RF_ACTIVE); 314*d6b3aaf8SOleksandr Tymoshenko if (sc->mem_res[i] == NULL) { 315*d6b3aaf8SOleksandr Tymoshenko device_printf(dev, "Can't allocate memory for slot %d\n", i); 316*d6b3aaf8SOleksandr Tymoshenko continue; 317*d6b3aaf8SOleksandr Tymoshenko } 318*d6b3aaf8SOleksandr Tymoshenko 319*d6b3aaf8SOleksandr Tymoshenko if (sdhci_init_slot(dev, slot, i) != 0) 320*d6b3aaf8SOleksandr Tymoshenko continue; 321*d6b3aaf8SOleksandr Tymoshenko 322*d6b3aaf8SOleksandr Tymoshenko 323*d6b3aaf8SOleksandr Tymoshenko sc->num_slots++; 324*d6b3aaf8SOleksandr Tymoshenko } 325*d6b3aaf8SOleksandr Tymoshenko device_printf(dev, "%d slot(s) allocated\n", sc->num_slots); 326*d6b3aaf8SOleksandr Tymoshenko /* Activate the interrupt */ 327*d6b3aaf8SOleksandr Tymoshenko err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 328*d6b3aaf8SOleksandr Tymoshenko NULL, sdhci_pci_intr, sc, &sc->intrhand); 329*d6b3aaf8SOleksandr Tymoshenko if (err) 330*d6b3aaf8SOleksandr Tymoshenko device_printf(dev, "Can't setup IRQ\n"); 331*d6b3aaf8SOleksandr Tymoshenko pci_enable_busmaster(dev); 332*d6b3aaf8SOleksandr Tymoshenko /* Process cards detection. */ 333*d6b3aaf8SOleksandr Tymoshenko for (i = 0; i < sc->num_slots; i++) { 334*d6b3aaf8SOleksandr Tymoshenko struct sdhci_slot *slot = &sc->slots[i]; 335*d6b3aaf8SOleksandr Tymoshenko 336*d6b3aaf8SOleksandr Tymoshenko sdhci_start_slot(slot); 337*d6b3aaf8SOleksandr Tymoshenko } 338*d6b3aaf8SOleksandr Tymoshenko 339*d6b3aaf8SOleksandr Tymoshenko return (0); 340*d6b3aaf8SOleksandr Tymoshenko } 341*d6b3aaf8SOleksandr Tymoshenko 342*d6b3aaf8SOleksandr Tymoshenko static int 343*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_detach(device_t dev) 344*d6b3aaf8SOleksandr Tymoshenko { 345*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 346*d6b3aaf8SOleksandr Tymoshenko int i; 347*d6b3aaf8SOleksandr Tymoshenko 348*d6b3aaf8SOleksandr Tymoshenko bus_teardown_intr(dev, sc->irq_res, sc->intrhand); 349*d6b3aaf8SOleksandr Tymoshenko bus_release_resource(dev, SYS_RES_IRQ, 350*d6b3aaf8SOleksandr Tymoshenko sc->irq_rid, sc->irq_res); 351*d6b3aaf8SOleksandr Tymoshenko 352*d6b3aaf8SOleksandr Tymoshenko for (i = 0; i < sc->num_slots; i++) { 353*d6b3aaf8SOleksandr Tymoshenko struct sdhci_slot *slot = &sc->slots[i]; 354*d6b3aaf8SOleksandr Tymoshenko 355*d6b3aaf8SOleksandr Tymoshenko sdhci_cleanup_slot(slot); 356*d6b3aaf8SOleksandr Tymoshenko bus_release_resource(dev, SYS_RES_MEMORY, 357*d6b3aaf8SOleksandr Tymoshenko sc->mem_rid[i], sc->mem_res[i]); 358*d6b3aaf8SOleksandr Tymoshenko } 359*d6b3aaf8SOleksandr Tymoshenko return (0); 360*d6b3aaf8SOleksandr Tymoshenko } 361*d6b3aaf8SOleksandr Tymoshenko 362*d6b3aaf8SOleksandr Tymoshenko static int 363*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_suspend(device_t dev) 364*d6b3aaf8SOleksandr Tymoshenko { 365*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 366*d6b3aaf8SOleksandr Tymoshenko int i, err; 367*d6b3aaf8SOleksandr Tymoshenko 368*d6b3aaf8SOleksandr Tymoshenko err = bus_generic_suspend(dev); 369*d6b3aaf8SOleksandr Tymoshenko if (err) 370*d6b3aaf8SOleksandr Tymoshenko return (err); 371*d6b3aaf8SOleksandr Tymoshenko for (i = 0; i < sc->num_slots; i++) 372*d6b3aaf8SOleksandr Tymoshenko sdhci_generic_suspend(&sc->slots[i]); 373*d6b3aaf8SOleksandr Tymoshenko return (0); 374*d6b3aaf8SOleksandr Tymoshenko } 375*d6b3aaf8SOleksandr Tymoshenko 376*d6b3aaf8SOleksandr Tymoshenko static int 377*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_resume(device_t dev) 378*d6b3aaf8SOleksandr Tymoshenko { 379*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = device_get_softc(dev); 380*d6b3aaf8SOleksandr Tymoshenko int i; 381*d6b3aaf8SOleksandr Tymoshenko 382*d6b3aaf8SOleksandr Tymoshenko for (i = 0; i < sc->num_slots; i++) 383*d6b3aaf8SOleksandr Tymoshenko sdhci_generic_resume(&sc->slots[i]); 384*d6b3aaf8SOleksandr Tymoshenko return (bus_generic_resume(dev)); 385*d6b3aaf8SOleksandr Tymoshenko } 386*d6b3aaf8SOleksandr Tymoshenko 387*d6b3aaf8SOleksandr Tymoshenko 388*d6b3aaf8SOleksandr Tymoshenko static void 389*d6b3aaf8SOleksandr Tymoshenko sdhci_pci_intr(void *arg) 390*d6b3aaf8SOleksandr Tymoshenko { 391*d6b3aaf8SOleksandr Tymoshenko struct sdhci_pci_softc *sc = (struct sdhci_pci_softc *)arg; 392*d6b3aaf8SOleksandr Tymoshenko int i; 393*d6b3aaf8SOleksandr Tymoshenko 394*d6b3aaf8SOleksandr Tymoshenko for (i = 0; i < sc->num_slots; i++) { 395*d6b3aaf8SOleksandr Tymoshenko struct sdhci_slot *slot = &sc->slots[i]; 396*d6b3aaf8SOleksandr Tymoshenko sdhci_generic_intr(slot); 397*d6b3aaf8SOleksandr Tymoshenko } 398*d6b3aaf8SOleksandr Tymoshenko } 399*d6b3aaf8SOleksandr Tymoshenko 400*d6b3aaf8SOleksandr Tymoshenko static device_method_t sdhci_methods[] = { 401*d6b3aaf8SOleksandr Tymoshenko /* device_if */ 402*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(device_probe, sdhci_pci_probe), 403*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(device_attach, sdhci_pci_attach), 404*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(device_detach, sdhci_pci_detach), 405*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(device_suspend, sdhci_pci_suspend), 406*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(device_resume, sdhci_pci_resume), 407*d6b3aaf8SOleksandr Tymoshenko 408*d6b3aaf8SOleksandr Tymoshenko /* Bus interface */ 409*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(bus_read_ivar, sdhci_generic_read_ivar), 410*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(bus_write_ivar, sdhci_generic_write_ivar), 411*d6b3aaf8SOleksandr Tymoshenko 412*d6b3aaf8SOleksandr Tymoshenko /* mmcbr_if */ 413*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(mmcbr_update_ios, sdhci_generic_update_ios), 414*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(mmcbr_request, sdhci_generic_request), 415*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(mmcbr_get_ro, sdhci_generic_get_ro), 416*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(mmcbr_acquire_host, sdhci_generic_acquire_host), 417*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(mmcbr_release_host, sdhci_generic_release_host), 418*d6b3aaf8SOleksandr Tymoshenko 419*d6b3aaf8SOleksandr Tymoshenko /* SDHCI registers accessors */ 420*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_read_1, sdhci_pci_read_1), 421*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_read_2, sdhci_pci_read_2), 422*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_read_4, sdhci_pci_read_4), 423*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_read_multi_4, sdhci_pci_read_multi_4), 424*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_write_1, sdhci_pci_write_1), 425*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_write_2, sdhci_pci_write_2), 426*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_write_4, sdhci_pci_write_4), 427*d6b3aaf8SOleksandr Tymoshenko DEVMETHOD(sdhci_write_multi_4, sdhci_pci_write_multi_4), 428*d6b3aaf8SOleksandr Tymoshenko 429*d6b3aaf8SOleksandr Tymoshenko {0, 0}, 430*d6b3aaf8SOleksandr Tymoshenko }; 431*d6b3aaf8SOleksandr Tymoshenko 432*d6b3aaf8SOleksandr Tymoshenko static driver_t sdhci_pci_driver = { 433*d6b3aaf8SOleksandr Tymoshenko "sdhci_pci", 434*d6b3aaf8SOleksandr Tymoshenko sdhci_methods, 435*d6b3aaf8SOleksandr Tymoshenko sizeof(struct sdhci_pci_softc), 436*d6b3aaf8SOleksandr Tymoshenko }; 437*d6b3aaf8SOleksandr Tymoshenko static devclass_t sdhci_pci_devclass; 438*d6b3aaf8SOleksandr Tymoshenko 439*d6b3aaf8SOleksandr Tymoshenko DRIVER_MODULE(sdhci_pci, pci, sdhci_pci_driver, sdhci_pci_devclass, 0, 0); 440*d6b3aaf8SOleksandr Tymoshenko MODULE_DEPEND(sdhci_pci, sdhci, 1, 1, 1); 441