14bb7efa7SGarrett D'Amore /* 24bb7efa7SGarrett D'Amore * CDDL HEADER START 34bb7efa7SGarrett D'Amore * 44bb7efa7SGarrett D'Amore * The contents of this file are subject to the terms of the 54bb7efa7SGarrett D'Amore * Common Development and Distribution License (the "License"). 64bb7efa7SGarrett D'Amore * You may not use this file except in compliance with the License. 74bb7efa7SGarrett D'Amore * 84bb7efa7SGarrett D'Amore * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 94bb7efa7SGarrett D'Amore * or http://www.opensolaris.org/os/licensing. 104bb7efa7SGarrett D'Amore * See the License for the specific language governing permissions 114bb7efa7SGarrett D'Amore * and limitations under the License. 124bb7efa7SGarrett D'Amore * 134bb7efa7SGarrett D'Amore * When distributing Covered Code, include this CDDL HEADER in each 144bb7efa7SGarrett D'Amore * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 154bb7efa7SGarrett D'Amore * If applicable, add the following below this CDDL HEADER, with the 164bb7efa7SGarrett D'Amore * fields enclosed by brackets "[]" replaced with your own identifying 174bb7efa7SGarrett D'Amore * information: Portions Copyright [yyyy] [name of copyright owner] 184bb7efa7SGarrett D'Amore * 194bb7efa7SGarrett D'Amore * CDDL HEADER END 204bb7efa7SGarrett D'Amore */ 214bb7efa7SGarrett D'Amore /* 224bb7efa7SGarrett D'Amore * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 234bb7efa7SGarrett D'Amore * Use is subject to license terms. 244bb7efa7SGarrett D'Amore */ 254bb7efa7SGarrett D'Amore 264bb7efa7SGarrett D'Amore #include "sdhost.h" 274bb7efa7SGarrett D'Amore 284bb7efa7SGarrett D'Amore typedef struct sdslot sdslot_t; 294bb7efa7SGarrett D'Amore typedef struct sdhost sdhost_t; 304bb7efa7SGarrett D'Amore 314bb7efa7SGarrett D'Amore /* 324bb7efa7SGarrett D'Amore * Per slot state. 334bb7efa7SGarrett D'Amore */ 344bb7efa7SGarrett D'Amore struct sdslot { 354bb7efa7SGarrett D'Amore sda_host_t *ss_host; 364bb7efa7SGarrett D'Amore int ss_num; 374bb7efa7SGarrett D'Amore ddi_acc_handle_t ss_acch; 384bb7efa7SGarrett D'Amore caddr_t ss_regva; 394bb7efa7SGarrett D'Amore kmutex_t ss_lock; 404bb7efa7SGarrett D'Amore uint32_t ss_capab; 414bb7efa7SGarrett D'Amore uint32_t ss_baseclk; /* Hz */ 424bb7efa7SGarrett D'Amore uint32_t ss_cardclk; /* Hz */ 434bb7efa7SGarrett D'Amore uint8_t ss_tmoutclk; 444bb7efa7SGarrett D'Amore uint32_t ss_tmusecs; /* timeout units in usecs */ 454bb7efa7SGarrett D'Amore uint32_t ss_ocr; /* OCR formatted voltages */ 464bb7efa7SGarrett D'Amore uint16_t ss_mode; 474bb7efa7SGarrett D'Amore boolean_t ss_suspended; 484bb7efa7SGarrett D'Amore 494bb7efa7SGarrett D'Amore /* 504bb7efa7SGarrett D'Amore * Command in progress 514bb7efa7SGarrett D'Amore */ 524bb7efa7SGarrett D'Amore uint8_t *ss_kvaddr; 534bb7efa7SGarrett D'Amore ddi_dma_cookie_t *ss_dmacs; 544bb7efa7SGarrett D'Amore uint_t ss_ndmac; 554bb7efa7SGarrett D'Amore int ss_blksz; 564bb7efa7SGarrett D'Amore uint16_t ss_resid; /* in blocks */ 574bb7efa7SGarrett D'Amore 584bb7efa7SGarrett D'Amore /* scratch buffer, to receive extra PIO data */ 594bb7efa7SGarrett D'Amore uint32_t ss_bounce[2048 / 4]; 604bb7efa7SGarrett D'Amore }; 614bb7efa7SGarrett D'Amore 624bb7efa7SGarrett D'Amore /* 634bb7efa7SGarrett D'Amore * Per controller state. 644bb7efa7SGarrett D'Amore */ 654bb7efa7SGarrett D'Amore struct sdhost { 664bb7efa7SGarrett D'Amore int sh_numslots; 674bb7efa7SGarrett D'Amore ddi_dma_attr_t sh_dmaattr; 684bb7efa7SGarrett D'Amore sdslot_t sh_slots[SDHOST_MAXSLOTS]; 694bb7efa7SGarrett D'Amore sda_host_t *sh_host; 704bb7efa7SGarrett D'Amore 714bb7efa7SGarrett D'Amore /* 724bb7efa7SGarrett D'Amore * Interrupt related information. 734bb7efa7SGarrett D'Amore */ 744bb7efa7SGarrett D'Amore ddi_intr_handle_t sh_ihandle; 754bb7efa7SGarrett D'Amore int sh_icap; 764bb7efa7SGarrett D'Amore uint_t sh_ipri; 774bb7efa7SGarrett D'Amore }; 784bb7efa7SGarrett D'Amore 794bb7efa7SGarrett D'Amore 804bb7efa7SGarrett D'Amore static int sdhost_attach(dev_info_t *, ddi_attach_cmd_t); 814bb7efa7SGarrett D'Amore static int sdhost_detach(dev_info_t *, ddi_detach_cmd_t); 824bb7efa7SGarrett D'Amore static int sdhost_suspend(dev_info_t *); 834bb7efa7SGarrett D'Amore static int sdhost_resume(dev_info_t *); 844bb7efa7SGarrett D'Amore 854bb7efa7SGarrett D'Amore static void sdhost_enable_interrupts(sdslot_t *); 864bb7efa7SGarrett D'Amore static void sdhost_disable_interrupts(sdslot_t *); 874bb7efa7SGarrett D'Amore static int sdhost_setup_intr(dev_info_t *, sdhost_t *); 884bb7efa7SGarrett D'Amore static uint_t sdhost_intr(caddr_t, caddr_t); 894bb7efa7SGarrett D'Amore static int sdhost_init_slot(dev_info_t *, sdhost_t *, int, int); 904bb7efa7SGarrett D'Amore static void sdhost_uninit_slot(sdhost_t *, int); 914bb7efa7SGarrett D'Amore static sda_err_t sdhost_soft_reset(sdslot_t *, uint8_t); 924bb7efa7SGarrett D'Amore static sda_err_t sdhost_set_clock(sdslot_t *, uint32_t); 934bb7efa7SGarrett D'Amore static void sdhost_xfer_done(sdslot_t *, sda_err_t); 944bb7efa7SGarrett D'Amore static sda_err_t sdhost_wait_cmd(sdslot_t *, sda_cmd_t *); 954bb7efa7SGarrett D'Amore static uint_t sdhost_slot_intr(sdslot_t *); 964bb7efa7SGarrett D'Amore 974bb7efa7SGarrett D'Amore static sda_err_t sdhost_cmd(void *, sda_cmd_t *); 984bb7efa7SGarrett D'Amore static sda_err_t sdhost_getprop(void *, sda_prop_t, uint32_t *); 994bb7efa7SGarrett D'Amore static sda_err_t sdhost_setprop(void *, sda_prop_t, uint32_t); 1004bb7efa7SGarrett D'Amore static sda_err_t sdhost_poll(void *); 1014bb7efa7SGarrett D'Amore static sda_err_t sdhost_reset(void *); 1024bb7efa7SGarrett D'Amore static sda_err_t sdhost_halt(void *); 1034bb7efa7SGarrett D'Amore 1044bb7efa7SGarrett D'Amore static struct dev_ops sdhost_dev_ops = { 1054bb7efa7SGarrett D'Amore DEVO_REV, /* devo_rev */ 1064bb7efa7SGarrett D'Amore 0, /* devo_refcnt */ 1074bb7efa7SGarrett D'Amore ddi_no_info, /* devo_getinfo */ 1084bb7efa7SGarrett D'Amore nulldev, /* devo_identify */ 1094bb7efa7SGarrett D'Amore nulldev, /* devo_probe */ 1104bb7efa7SGarrett D'Amore sdhost_attach, /* devo_attach */ 1114bb7efa7SGarrett D'Amore sdhost_detach, /* devo_detach */ 1124bb7efa7SGarrett D'Amore nodev, /* devo_reset */ 1134bb7efa7SGarrett D'Amore NULL, /* devo_cb_ops */ 1144bb7efa7SGarrett D'Amore NULL, /* devo_bus_ops */ 115*19397407SSherry Moore NULL, /* devo_power */ 116*19397407SSherry Moore ddi_quiesce_not_supported, /* devo_quiesce */ 1174bb7efa7SGarrett D'Amore }; 1184bb7efa7SGarrett D'Amore 1194bb7efa7SGarrett D'Amore static struct modldrv sdhost_modldrv = { 1204bb7efa7SGarrett D'Amore &mod_driverops, /* drv_modops */ 1214bb7efa7SGarrett D'Amore "Standard SD Host Controller", /* drv_linkinfo */ 1224bb7efa7SGarrett D'Amore &sdhost_dev_ops /* drv_dev_ops */ 1234bb7efa7SGarrett D'Amore }; 1244bb7efa7SGarrett D'Amore 1254bb7efa7SGarrett D'Amore static struct modlinkage modlinkage = { 1264bb7efa7SGarrett D'Amore MODREV_1, /* ml_rev */ 1274bb7efa7SGarrett D'Amore { &sdhost_modldrv, NULL } /* ml_linkage */ 1284bb7efa7SGarrett D'Amore }; 1294bb7efa7SGarrett D'Amore 1304bb7efa7SGarrett D'Amore static struct sda_ops sdhost_ops = { 1314bb7efa7SGarrett D'Amore SDA_OPS_VERSION, 1324bb7efa7SGarrett D'Amore sdhost_cmd, /* so_cmd */ 1334bb7efa7SGarrett D'Amore sdhost_getprop, /* so_getprop */ 1344bb7efa7SGarrett D'Amore sdhost_setprop, /* so_setprop */ 1354bb7efa7SGarrett D'Amore sdhost_poll, /* so_poll */ 1364bb7efa7SGarrett D'Amore sdhost_reset, /* so_reset */ 1374bb7efa7SGarrett D'Amore sdhost_halt, /* so_halt */ 1384bb7efa7SGarrett D'Amore }; 1394bb7efa7SGarrett D'Amore 1404bb7efa7SGarrett D'Amore static ddi_device_acc_attr_t sdhost_regattr = { 1414bb7efa7SGarrett D'Amore DDI_DEVICE_ATTR_V0, /* devacc_attr_version */ 1424bb7efa7SGarrett D'Amore DDI_STRUCTURE_LE_ACC, /* devacc_attr_endian_flags */ 1434bb7efa7SGarrett D'Amore DDI_STRICTORDER_ACC, /* devacc_attr_dataorder */ 1444bb7efa7SGarrett D'Amore DDI_DEFAULT_ACC, /* devacc_attr_access */ 1454bb7efa7SGarrett D'Amore }; 1464bb7efa7SGarrett D'Amore 1474bb7efa7SGarrett D'Amore #define GET16(ss, reg) \ 1484bb7efa7SGarrett D'Amore ddi_get16(ss->ss_acch, (void *)(ss->ss_regva + reg)) 1494bb7efa7SGarrett D'Amore #define PUT16(ss, reg, val) \ 1504bb7efa7SGarrett D'Amore ddi_put16(ss->ss_acch, (void *)(ss->ss_regva + reg), val) 1514bb7efa7SGarrett D'Amore #define GET32(ss, reg) \ 1524bb7efa7SGarrett D'Amore ddi_get32(ss->ss_acch, (void *)(ss->ss_regva + reg)) 1534bb7efa7SGarrett D'Amore #define PUT32(ss, reg, val) \ 1544bb7efa7SGarrett D'Amore ddi_put32(ss->ss_acch, (void *)(ss->ss_regva + reg), val) 1554bb7efa7SGarrett D'Amore #define GET64(ss, reg) \ 1564bb7efa7SGarrett D'Amore ddi_get64(ss->ss_acch, (void *)(ss->ss_regva + reg)) 1574bb7efa7SGarrett D'Amore 1584bb7efa7SGarrett D'Amore #define GET8(ss, reg) \ 1594bb7efa7SGarrett D'Amore ddi_get8(ss->ss_acch, (void *)(ss->ss_regva + reg)) 1604bb7efa7SGarrett D'Amore #define PUT8(ss, reg, val) \ 1614bb7efa7SGarrett D'Amore ddi_put8(ss->ss_acch, (void *)(ss->ss_regva + reg), val) 1624bb7efa7SGarrett D'Amore 1634bb7efa7SGarrett D'Amore #define CLR8(ss, reg, mask) PUT8(ss, reg, GET8(ss, reg) & ~(mask)) 1644bb7efa7SGarrett D'Amore #define SET8(ss, reg, mask) PUT8(ss, reg, GET8(ss, reg) | (mask)) 1654bb7efa7SGarrett D'Amore 1664bb7efa7SGarrett D'Amore /* 1674bb7efa7SGarrett D'Amore * If ever anyone uses PIO on SPARC, we have to endian-swap. But we 1684bb7efa7SGarrett D'Amore * think that SD Host Controllers are likely to be uncommon on SPARC, 1694bb7efa7SGarrett D'Amore * and hopefully when they exist at all they will be able to use DMA. 1704bb7efa7SGarrett D'Amore */ 1714bb7efa7SGarrett D'Amore #ifdef _BIG_ENDIAN 1724bb7efa7SGarrett D'Amore #define sw32(x) ddi_swap32(x) 1734bb7efa7SGarrett D'Amore #define sw16(x) ddi_swap16(x) 1744bb7efa7SGarrett D'Amore #else 1754bb7efa7SGarrett D'Amore #define sw32(x) (x) 1764bb7efa7SGarrett D'Amore #define sw16(x) (x) 1774bb7efa7SGarrett D'Amore #endif 1784bb7efa7SGarrett D'Amore 1794bb7efa7SGarrett D'Amore #define GETDATA32(ss) sw32(GET32(ss, REG_DATA)) 1804bb7efa7SGarrett D'Amore #define GETDATA16(ss) sw16(GET16(ss, REG_DATA)) 1814bb7efa7SGarrett D'Amore #define GETDATA8(ss) GET8(ss, REG_DATA) 1824bb7efa7SGarrett D'Amore 1834bb7efa7SGarrett D'Amore #define PUTDATA32(ss, val) PUT32(ss, REG_DATA, sw32(val)) 1844bb7efa7SGarrett D'Amore #define PUTDATA16(ss, val) PUT16(ss, REG_DATA, sw16(val)) 1854bb7efa7SGarrett D'Amore #define PUTDATA8(ss, val) PUT8(ss, REG_DATA, val) 1864bb7efa7SGarrett D'Amore 1874bb7efa7SGarrett D'Amore #define CHECK_STATE(ss, nm) \ 1884bb7efa7SGarrett D'Amore ((GET32(ss, REG_PRS) & PRS_ ## nm) != 0) 1894bb7efa7SGarrett D'Amore 1904bb7efa7SGarrett D'Amore int 1914bb7efa7SGarrett D'Amore _init(void) 1924bb7efa7SGarrett D'Amore { 1934bb7efa7SGarrett D'Amore int rv; 1944bb7efa7SGarrett D'Amore 1954bb7efa7SGarrett D'Amore sda_host_init_ops(&sdhost_dev_ops); 1964bb7efa7SGarrett D'Amore 1974bb7efa7SGarrett D'Amore if ((rv = mod_install(&modlinkage)) != 0) { 1984bb7efa7SGarrett D'Amore sda_host_fini_ops(&sdhost_dev_ops); 1994bb7efa7SGarrett D'Amore } 2004bb7efa7SGarrett D'Amore 2014bb7efa7SGarrett D'Amore return (rv); 2024bb7efa7SGarrett D'Amore } 2034bb7efa7SGarrett D'Amore 2044bb7efa7SGarrett D'Amore int 2054bb7efa7SGarrett D'Amore _fini(void) 2064bb7efa7SGarrett D'Amore { 2074bb7efa7SGarrett D'Amore int rv; 2084bb7efa7SGarrett D'Amore 2094bb7efa7SGarrett D'Amore if ((rv = mod_remove(&modlinkage)) == 0) { 2104bb7efa7SGarrett D'Amore sda_host_fini_ops(&sdhost_dev_ops); 2114bb7efa7SGarrett D'Amore } 2124bb7efa7SGarrett D'Amore return (rv); 2134bb7efa7SGarrett D'Amore } 2144bb7efa7SGarrett D'Amore 2154bb7efa7SGarrett D'Amore int 2164bb7efa7SGarrett D'Amore _info(struct modinfo *modinfop) 2174bb7efa7SGarrett D'Amore { 2184bb7efa7SGarrett D'Amore return (mod_info(&modlinkage, modinfop)); 2194bb7efa7SGarrett D'Amore } 2204bb7efa7SGarrett D'Amore 2214bb7efa7SGarrett D'Amore int 2224bb7efa7SGarrett D'Amore sdhost_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 2234bb7efa7SGarrett D'Amore { 2244bb7efa7SGarrett D'Amore sdhost_t *shp; 2254bb7efa7SGarrett D'Amore ddi_acc_handle_t pcih; 2264bb7efa7SGarrett D'Amore uint8_t slotinfo; 2274bb7efa7SGarrett D'Amore uint8_t bar; 2284bb7efa7SGarrett D'Amore int i; 2294bb7efa7SGarrett D'Amore 2304bb7efa7SGarrett D'Amore switch (cmd) { 2314bb7efa7SGarrett D'Amore case DDI_ATTACH: 2324bb7efa7SGarrett D'Amore break; 2334bb7efa7SGarrett D'Amore 2344bb7efa7SGarrett D'Amore case DDI_RESUME: 2354bb7efa7SGarrett D'Amore return (sdhost_resume(dip)); 2364bb7efa7SGarrett D'Amore 2374bb7efa7SGarrett D'Amore default: 2384bb7efa7SGarrett D'Amore return (DDI_FAILURE); 2394bb7efa7SGarrett D'Amore } 2404bb7efa7SGarrett D'Amore 2414bb7efa7SGarrett D'Amore /* 2424bb7efa7SGarrett D'Amore * Soft state allocation. 2434bb7efa7SGarrett D'Amore */ 2444bb7efa7SGarrett D'Amore shp = kmem_zalloc(sizeof (*shp), KM_SLEEP); 2454bb7efa7SGarrett D'Amore ddi_set_driver_private(dip, shp); 2464bb7efa7SGarrett D'Amore 2474bb7efa7SGarrett D'Amore /* 2484bb7efa7SGarrett D'Amore * Initialize DMA attributes. For now we initialize as for 2494bb7efa7SGarrett D'Amore * SDMA. If we add ADMA support we can improve this. 2504bb7efa7SGarrett D'Amore */ 2514bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_version = DMA_ATTR_V0; 2524bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_addr_lo = 0; 2534bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_addr_hi = 0xffffffffU; 2544bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_count_max = 0xffffffffU; 2554bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_align = 1; 2564bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_burstsizes = 0; /* for now! */ 2574bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_minxfer = 1; 2584bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_maxxfer = 0xffffffffU; 2594bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_sgllen = -1; /* unlimited! */ 2604bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_seg = 0xfff; /* 4K segments */ 2614bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_granular = 1; 2624bb7efa7SGarrett D'Amore shp->sh_dmaattr.dma_attr_flags = 0; 2634bb7efa7SGarrett D'Amore 2644bb7efa7SGarrett D'Amore /* 2654bb7efa7SGarrett D'Amore * PCI configuration access to figure out number of slots present. 2664bb7efa7SGarrett D'Amore */ 2674bb7efa7SGarrett D'Amore if (pci_config_setup(dip, &pcih) != DDI_SUCCESS) { 2684bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "pci_config_setup failed"); 2694bb7efa7SGarrett D'Amore goto failed; 2704bb7efa7SGarrett D'Amore } 2714bb7efa7SGarrett D'Amore 2724bb7efa7SGarrett D'Amore slotinfo = pci_config_get8(pcih, SLOTINFO); 2734bb7efa7SGarrett D'Amore shp->sh_numslots = SLOTINFO_NSLOT(slotinfo); 2744bb7efa7SGarrett D'Amore 2754bb7efa7SGarrett D'Amore if (shp->sh_numslots > SDHOST_MAXSLOTS) { 2764bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Host reports to have too many slots: %d", 2774bb7efa7SGarrett D'Amore shp->sh_numslots); 2784bb7efa7SGarrett D'Amore goto failed; 2794bb7efa7SGarrett D'Amore } 2804bb7efa7SGarrett D'Amore 2814bb7efa7SGarrett D'Amore /* 2824bb7efa7SGarrett D'Amore * Enable master accesses and DMA. 2834bb7efa7SGarrett D'Amore */ 2844bb7efa7SGarrett D'Amore pci_config_put16(pcih, PCI_CONF_COMM, 2854bb7efa7SGarrett D'Amore pci_config_get16(pcih, PCI_CONF_COMM) | 2864bb7efa7SGarrett D'Amore PCI_COMM_MAE | PCI_COMM_ME); 2874bb7efa7SGarrett D'Amore 2884bb7efa7SGarrett D'Amore /* 2894bb7efa7SGarrett D'Amore * Figure out which BAR to use. Note that we number BARs from 2904bb7efa7SGarrett D'Amore * 1, although PCI and SD Host numbers from 0. (We number 2914bb7efa7SGarrett D'Amore * from 1, because register number 0 means PCI configuration 2924bb7efa7SGarrett D'Amore * space in Solaris.) 2934bb7efa7SGarrett D'Amore */ 2944bb7efa7SGarrett D'Amore bar = SLOTINFO_BAR(slotinfo) + 1; 2954bb7efa7SGarrett D'Amore 2964bb7efa7SGarrett D'Amore pci_config_teardown(&pcih); 2974bb7efa7SGarrett D'Amore 2984bb7efa7SGarrett D'Amore /* 2994bb7efa7SGarrett D'Amore * Setup interrupts ... supports the new DDI interrupt API. This 3004bb7efa7SGarrett D'Amore * will support MSI or MSI-X interrupts if a device is found to 3014bb7efa7SGarrett D'Amore * support it. 3024bb7efa7SGarrett D'Amore */ 3034bb7efa7SGarrett D'Amore if (sdhost_setup_intr(dip, shp) != DDI_SUCCESS) { 3044bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Failed to setup interrupts"); 3054bb7efa7SGarrett D'Amore goto failed; 3064bb7efa7SGarrett D'Amore } 3074bb7efa7SGarrett D'Amore 3084bb7efa7SGarrett D'Amore shp->sh_host = sda_host_alloc(dip, shp->sh_numslots, &sdhost_ops, 3094bb7efa7SGarrett D'Amore &shp->sh_dmaattr); 3104bb7efa7SGarrett D'Amore if (shp->sh_host == NULL) { 3114bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Failed allocating SD host structure"); 3124bb7efa7SGarrett D'Amore goto failed; 3134bb7efa7SGarrett D'Amore } 3144bb7efa7SGarrett D'Amore 3154bb7efa7SGarrett D'Amore /* 3164bb7efa7SGarrett D'Amore * Configure slots, this also maps registers, enables 3174bb7efa7SGarrett D'Amore * interrupts, etc. Most of the hardware setup is done here. 3184bb7efa7SGarrett D'Amore */ 3194bb7efa7SGarrett D'Amore for (i = 0; i < shp->sh_numslots; i++) { 3204bb7efa7SGarrett D'Amore if (sdhost_init_slot(dip, shp, i, bar + i) != DDI_SUCCESS) { 3214bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Failed initializing slot %d", i); 3224bb7efa7SGarrett D'Amore goto failed; 3234bb7efa7SGarrett D'Amore } 3244bb7efa7SGarrett D'Amore } 3254bb7efa7SGarrett D'Amore 3264bb7efa7SGarrett D'Amore ddi_report_dev(dip); 3274bb7efa7SGarrett D'Amore 3284bb7efa7SGarrett D'Amore /* 3294bb7efa7SGarrett D'Amore * Enable device interrupts at the DDI layer. 3304bb7efa7SGarrett D'Amore */ 3314bb7efa7SGarrett D'Amore (void) ddi_intr_enable(shp->sh_ihandle); 3324bb7efa7SGarrett D'Amore 3334bb7efa7SGarrett D'Amore /* 3344bb7efa7SGarrett D'Amore * Mark the slots online with the framework. This will cause 3354bb7efa7SGarrett D'Amore * the framework to probe them for the presence of cards. 3364bb7efa7SGarrett D'Amore */ 3374bb7efa7SGarrett D'Amore if (sda_host_attach(shp->sh_host) != DDI_SUCCESS) { 3384bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Failed attaching to SDA framework"); 3394bb7efa7SGarrett D'Amore (void) ddi_intr_disable(shp->sh_ihandle); 3404bb7efa7SGarrett D'Amore goto failed; 3414bb7efa7SGarrett D'Amore } 3424bb7efa7SGarrett D'Amore 3434bb7efa7SGarrett D'Amore return (DDI_SUCCESS); 3444bb7efa7SGarrett D'Amore 3454bb7efa7SGarrett D'Amore failed: 3464bb7efa7SGarrett D'Amore if (shp->sh_ihandle != NULL) { 3474bb7efa7SGarrett D'Amore (void) ddi_intr_remove_handler(shp->sh_ihandle); 3484bb7efa7SGarrett D'Amore (void) ddi_intr_free(shp->sh_ihandle); 3494bb7efa7SGarrett D'Amore } 3504bb7efa7SGarrett D'Amore for (i = 0; i < shp->sh_numslots; i++) 3514bb7efa7SGarrett D'Amore sdhost_uninit_slot(shp, i); 3524bb7efa7SGarrett D'Amore kmem_free(shp, sizeof (*shp)); 3534bb7efa7SGarrett D'Amore 3544bb7efa7SGarrett D'Amore return (DDI_FAILURE); 3554bb7efa7SGarrett D'Amore } 3564bb7efa7SGarrett D'Amore 3574bb7efa7SGarrett D'Amore int 3584bb7efa7SGarrett D'Amore sdhost_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 3594bb7efa7SGarrett D'Amore { 3604bb7efa7SGarrett D'Amore sdhost_t *shp; 3614bb7efa7SGarrett D'Amore int i; 3624bb7efa7SGarrett D'Amore 3634bb7efa7SGarrett D'Amore switch (cmd) { 3644bb7efa7SGarrett D'Amore case DDI_DETACH: 3654bb7efa7SGarrett D'Amore break; 3664bb7efa7SGarrett D'Amore 3674bb7efa7SGarrett D'Amore case DDI_SUSPEND: 3684bb7efa7SGarrett D'Amore return (sdhost_suspend(dip)); 3694bb7efa7SGarrett D'Amore 3704bb7efa7SGarrett D'Amore default: 3714bb7efa7SGarrett D'Amore return (DDI_FAILURE); 3724bb7efa7SGarrett D'Amore } 3734bb7efa7SGarrett D'Amore 3744bb7efa7SGarrett D'Amore shp = ddi_get_driver_private(dip); 3754bb7efa7SGarrett D'Amore if (shp == NULL) 3764bb7efa7SGarrett D'Amore return (DDI_FAILURE); 3774bb7efa7SGarrett D'Amore 3784bb7efa7SGarrett D'Amore /* 3794bb7efa7SGarrett D'Amore * Take host offline with the framework. 3804bb7efa7SGarrett D'Amore */ 3814bb7efa7SGarrett D'Amore sda_host_detach(shp->sh_host); 3824bb7efa7SGarrett D'Amore 3834bb7efa7SGarrett D'Amore /* 3844bb7efa7SGarrett D'Amore * Tear down interrupts. 3854bb7efa7SGarrett D'Amore */ 3864bb7efa7SGarrett D'Amore if (shp->sh_ihandle != NULL) { 3874bb7efa7SGarrett D'Amore (void) ddi_intr_disable(shp->sh_ihandle); 3884bb7efa7SGarrett D'Amore (void) ddi_intr_remove_handler(shp->sh_ihandle); 3894bb7efa7SGarrett D'Amore (void) ddi_intr_free(shp->sh_ihandle); 3904bb7efa7SGarrett D'Amore } 3914bb7efa7SGarrett D'Amore 3924bb7efa7SGarrett D'Amore /* 3934bb7efa7SGarrett D'Amore * Tear down register mappings, etc. 3944bb7efa7SGarrett D'Amore */ 3954bb7efa7SGarrett D'Amore for (i = 0; i < shp->sh_numslots; i++) 3964bb7efa7SGarrett D'Amore sdhost_uninit_slot(shp, i); 3974bb7efa7SGarrett D'Amore kmem_free(shp, sizeof (*shp)); 3984bb7efa7SGarrett D'Amore 3994bb7efa7SGarrett D'Amore return (DDI_SUCCESS); 4004bb7efa7SGarrett D'Amore } 4014bb7efa7SGarrett D'Amore 4024bb7efa7SGarrett D'Amore int 4034bb7efa7SGarrett D'Amore sdhost_suspend(dev_info_t *dip) 4044bb7efa7SGarrett D'Amore { 4054bb7efa7SGarrett D'Amore sdhost_t *shp; 4064bb7efa7SGarrett D'Amore sdslot_t *ss; 4074bb7efa7SGarrett D'Amore int i; 4084bb7efa7SGarrett D'Amore 4094bb7efa7SGarrett D'Amore shp = ddi_get_driver_private(dip); 4104bb7efa7SGarrett D'Amore if (shp == NULL) 4114bb7efa7SGarrett D'Amore return (DDI_FAILURE); 4124bb7efa7SGarrett D'Amore 4134bb7efa7SGarrett D'Amore /* disable the interrupts */ 4144bb7efa7SGarrett D'Amore (void) ddi_intr_disable(shp->sh_ihandle); 4154bb7efa7SGarrett D'Amore 4164bb7efa7SGarrett D'Amore for (i = 0; i < shp->sh_numslots; i++) { 4174bb7efa7SGarrett D'Amore ss = &shp->sh_slots[i]; 4184bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 4194bb7efa7SGarrett D'Amore ss->ss_suspended = B_TRUE; 4204bb7efa7SGarrett D'Amore sdhost_disable_interrupts(ss); 4214bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_ALL); 4224bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 4234bb7efa7SGarrett D'Amore } 4244bb7efa7SGarrett D'Amore return (DDI_SUCCESS); 4254bb7efa7SGarrett D'Amore } 4264bb7efa7SGarrett D'Amore 4274bb7efa7SGarrett D'Amore int 4284bb7efa7SGarrett D'Amore sdhost_resume(dev_info_t *dip) 4294bb7efa7SGarrett D'Amore { 4304bb7efa7SGarrett D'Amore sdhost_t *shp; 4314bb7efa7SGarrett D'Amore sdslot_t *ss; 4324bb7efa7SGarrett D'Amore int i; 4334bb7efa7SGarrett D'Amore 4344bb7efa7SGarrett D'Amore shp = ddi_get_driver_private(dip); 4354bb7efa7SGarrett D'Amore if (shp == NULL) 4364bb7efa7SGarrett D'Amore return (DDI_FAILURE); 4374bb7efa7SGarrett D'Amore 4384bb7efa7SGarrett D'Amore for (i = 0; i < shp->sh_numslots; i++) { 4394bb7efa7SGarrett D'Amore ss = &shp->sh_slots[i]; 4404bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 4414bb7efa7SGarrett D'Amore ss->ss_suspended = B_FALSE; 4424bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_ALL); 4434bb7efa7SGarrett D'Amore sdhost_enable_interrupts(ss); 4444bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 4454bb7efa7SGarrett D'Amore } 4464bb7efa7SGarrett D'Amore 4474bb7efa7SGarrett D'Amore /* re-enable the interrupts */ 4484bb7efa7SGarrett D'Amore (void) ddi_intr_enable(shp->sh_ihandle); 4494bb7efa7SGarrett D'Amore 4504bb7efa7SGarrett D'Amore /* kick off a new card detect task */ 4514bb7efa7SGarrett D'Amore for (i = 0; i < shp->sh_numslots; i++) { 4524bb7efa7SGarrett D'Amore ss = &shp->sh_slots[i]; 4534bb7efa7SGarrett D'Amore sda_host_detect(ss->ss_host, ss->ss_num); 4544bb7efa7SGarrett D'Amore } 4554bb7efa7SGarrett D'Amore return (DDI_SUCCESS); 4564bb7efa7SGarrett D'Amore } 4574bb7efa7SGarrett D'Amore 4584bb7efa7SGarrett D'Amore sda_err_t 4594bb7efa7SGarrett D'Amore sdhost_set_clock(sdslot_t *ss, uint32_t hz) 4604bb7efa7SGarrett D'Amore { 4614bb7efa7SGarrett D'Amore uint16_t div; 4624bb7efa7SGarrett D'Amore uint32_t val; 4634bb7efa7SGarrett D'Amore uint32_t clk; 4644bb7efa7SGarrett D'Amore int count; 4654bb7efa7SGarrett D'Amore 4664bb7efa7SGarrett D'Amore /* 4674bb7efa7SGarrett D'Amore * Shut off the clock to begin. 4684bb7efa7SGarrett D'Amore */ 4694bb7efa7SGarrett D'Amore ss->ss_cardclk = 0; 4704bb7efa7SGarrett D'Amore PUT16(ss, REG_CLOCK_CONTROL, 0); 4714bb7efa7SGarrett D'Amore if (hz == 0) { 4724bb7efa7SGarrett D'Amore return (SDA_EOK); 4734bb7efa7SGarrett D'Amore } 4744bb7efa7SGarrett D'Amore 4754bb7efa7SGarrett D'Amore if (ss->ss_baseclk == 0) { 4764bb7efa7SGarrett D'Amore sda_host_log(ss->ss_host, ss->ss_num, 4774bb7efa7SGarrett D'Amore "Base clock frequency not established."); 4784bb7efa7SGarrett D'Amore return (SDA_EINVAL); 4794bb7efa7SGarrett D'Amore } 4804bb7efa7SGarrett D'Amore 4814bb7efa7SGarrett D'Amore if ((hz > 25000000) && ((ss->ss_capab & CAPAB_HIGH_SPEED) != 0)) { 4824bb7efa7SGarrett D'Amore /* this clock requires high speed timings! */ 4834bb7efa7SGarrett D'Amore SET8(ss, REG_HOST_CONTROL, HOST_CONTROL_HIGH_SPEED_EN); 4844bb7efa7SGarrett D'Amore } else { 4854bb7efa7SGarrett D'Amore /* don't allow clock to run faster than 25MHz */ 4864bb7efa7SGarrett D'Amore hz = min(hz, 25000000); 4874bb7efa7SGarrett D'Amore CLR8(ss, REG_HOST_CONTROL, HOST_CONTROL_HIGH_SPEED_EN); 4884bb7efa7SGarrett D'Amore } 4894bb7efa7SGarrett D'Amore 4904bb7efa7SGarrett D'Amore /* figure out the divider */ 4914bb7efa7SGarrett D'Amore clk = ss->ss_baseclk; 4924bb7efa7SGarrett D'Amore div = 1; 4934bb7efa7SGarrett D'Amore while (clk > hz) { 4944bb7efa7SGarrett D'Amore if (div > 0x80) 4954bb7efa7SGarrett D'Amore break; 4964bb7efa7SGarrett D'Amore clk >>= 1; /* divide clock by two */ 4974bb7efa7SGarrett D'Amore div <<= 1; /* divider goes up by one */ 4984bb7efa7SGarrett D'Amore } 4994bb7efa7SGarrett D'Amore div >>= 1; /* 0 == divide by 1, 1 = divide by 2 */ 5004bb7efa7SGarrett D'Amore 5014bb7efa7SGarrett D'Amore /* 5024bb7efa7SGarrett D'Amore * Set the internal clock divider first, without enabling the 5034bb7efa7SGarrett D'Amore * card clock yet. 5044bb7efa7SGarrett D'Amore */ 5054bb7efa7SGarrett D'Amore PUT16(ss, REG_CLOCK_CONTROL, 5064bb7efa7SGarrett D'Amore (div << CLOCK_CONTROL_FREQ_SHIFT) | CLOCK_CONTROL_INT_CLOCK_EN); 5074bb7efa7SGarrett D'Amore 5084bb7efa7SGarrett D'Amore /* 5094bb7efa7SGarrett D'Amore * Wait up to 100 msec for the internal clock to stabilize. 5104bb7efa7SGarrett D'Amore * (The spec does not seem to indicate a maximum timeout, but 5114bb7efa7SGarrett D'Amore * it also suggests that an infinite loop be used, which is 5124bb7efa7SGarrett D'Amore * not appropriate for hardened Solaris drivers.) 5134bb7efa7SGarrett D'Amore */ 5144bb7efa7SGarrett D'Amore for (count = 100000; count; count -= 10) { 5154bb7efa7SGarrett D'Amore 5164bb7efa7SGarrett D'Amore val = GET16(ss, REG_CLOCK_CONTROL); 5174bb7efa7SGarrett D'Amore 5184bb7efa7SGarrett D'Amore if (val & CLOCK_CONTROL_INT_CLOCK_STABLE) { 5194bb7efa7SGarrett D'Amore /* if clock is stable, enable the SD clock pin */ 5204bb7efa7SGarrett D'Amore PUT16(ss, REG_CLOCK_CONTROL, val | 5214bb7efa7SGarrett D'Amore CLOCK_CONTROL_SD_CLOCK_EN); 5224bb7efa7SGarrett D'Amore 5234bb7efa7SGarrett D'Amore ss->ss_cardclk = clk; 5244bb7efa7SGarrett D'Amore return (SDA_EOK); 5254bb7efa7SGarrett D'Amore } 5264bb7efa7SGarrett D'Amore 5274bb7efa7SGarrett D'Amore drv_usecwait(10); 5284bb7efa7SGarrett D'Amore } 5294bb7efa7SGarrett D'Amore 5304bb7efa7SGarrett D'Amore return (SDA_ETIME); 5314bb7efa7SGarrett D'Amore } 5324bb7efa7SGarrett D'Amore 5334bb7efa7SGarrett D'Amore sda_err_t 5344bb7efa7SGarrett D'Amore sdhost_soft_reset(sdslot_t *ss, uint8_t bits) 5354bb7efa7SGarrett D'Amore { 5364bb7efa7SGarrett D'Amore int count; 5374bb7efa7SGarrett D'Amore 5384bb7efa7SGarrett D'Amore /* 5394bb7efa7SGarrett D'Amore * There appears to be a bug where Ricoh hosts might have a 5404bb7efa7SGarrett D'Amore * problem if the host frequency is not set. If the card 5414bb7efa7SGarrett D'Amore * isn't present, or we are doing a master reset, just enable 5424bb7efa7SGarrett D'Amore * the internal clock at its native speed. (No dividers, and 5434bb7efa7SGarrett D'Amore * not exposed to card.). 5444bb7efa7SGarrett D'Amore */ 5454bb7efa7SGarrett D'Amore if ((bits == SOFT_RESET_ALL) || !(CHECK_STATE(ss, CARD_INSERTED))) { 5464bb7efa7SGarrett D'Amore PUT16(ss, REG_CLOCK_CONTROL, CLOCK_CONTROL_INT_CLOCK_EN); 5474bb7efa7SGarrett D'Amore /* simple 1msec wait, don't wait for clock to stabilize */ 5484bb7efa7SGarrett D'Amore drv_usecwait(1000); 5494bb7efa7SGarrett D'Amore } 5504bb7efa7SGarrett D'Amore 5514bb7efa7SGarrett D'Amore PUT8(ss, REG_SOFT_RESET, bits); 5524bb7efa7SGarrett D'Amore for (count = 100000; count != 0; count -= 10) { 5534bb7efa7SGarrett D'Amore if ((GET8(ss, REG_SOFT_RESET) & bits) == 0) { 5544bb7efa7SGarrett D'Amore return (SDA_EOK); 5554bb7efa7SGarrett D'Amore } 5564bb7efa7SGarrett D'Amore drv_usecwait(10); 5574bb7efa7SGarrett D'Amore } 5584bb7efa7SGarrett D'Amore 5594bb7efa7SGarrett D'Amore return (SDA_ETIME); 5604bb7efa7SGarrett D'Amore } 5614bb7efa7SGarrett D'Amore 5624bb7efa7SGarrett D'Amore void 5634bb7efa7SGarrett D'Amore sdhost_disable_interrupts(sdslot_t *ss) 5644bb7efa7SGarrett D'Amore { 5654bb7efa7SGarrett D'Amore /* disable slot interrupts for card insert and remove */ 5664bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_MASK, 0); 5674bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_EN, 0); 5684bb7efa7SGarrett D'Amore 5694bb7efa7SGarrett D'Amore /* disable error interrupts */ 5704bb7efa7SGarrett D'Amore PUT16(ss, REG_ERR_MASK, 0); 5714bb7efa7SGarrett D'Amore PUT16(ss, REG_ERR_EN, 0); 5724bb7efa7SGarrett D'Amore } 5734bb7efa7SGarrett D'Amore 5744bb7efa7SGarrett D'Amore void 5754bb7efa7SGarrett D'Amore sdhost_enable_interrupts(sdslot_t *ss) 5764bb7efa7SGarrett D'Amore { 5774bb7efa7SGarrett D'Amore /* 5784bb7efa7SGarrett D'Amore * Note that we want to enable reading of the CMD related 5794bb7efa7SGarrett D'Amore * bits, but we do not want them to generate an interrupt. 5804bb7efa7SGarrett D'Amore * (The busy wait for typical CMD stuff will normally be less 5814bb7efa7SGarrett D'Amore * than 10usec, so its simpler/easier to just poll. Even in 5824bb7efa7SGarrett D'Amore * the worst case of 100 kHz, the poll is at worst 2 msec.) 5834bb7efa7SGarrett D'Amore */ 5844bb7efa7SGarrett D'Amore 5854bb7efa7SGarrett D'Amore /* enable slot interrupts for card insert and remove */ 5864bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_MASK, INT_MASK); 5874bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_EN, INT_ENAB); 5884bb7efa7SGarrett D'Amore 5894bb7efa7SGarrett D'Amore /* enable error interrupts */ 5904bb7efa7SGarrett D'Amore PUT16(ss, REG_ERR_MASK, ERR_MASK); 5914bb7efa7SGarrett D'Amore PUT16(ss, REG_ERR_EN, ERR_ENAB); 5924bb7efa7SGarrett D'Amore } 5934bb7efa7SGarrett D'Amore 5944bb7efa7SGarrett D'Amore int 5954bb7efa7SGarrett D'Amore sdhost_setup_intr(dev_info_t *dip, sdhost_t *shp) 5964bb7efa7SGarrett D'Amore { 5974bb7efa7SGarrett D'Amore int itypes; 5984bb7efa7SGarrett D'Amore int itype; 5994bb7efa7SGarrett D'Amore 6004bb7efa7SGarrett D'Amore /* 6014bb7efa7SGarrett D'Amore * Set up interrupt handler. 6024bb7efa7SGarrett D'Amore */ 6034bb7efa7SGarrett D'Amore if (ddi_intr_get_supported_types(dip, &itypes) != DDI_SUCCESS) { 6044bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "ddi_intr_get_supported_types failed"); 6054bb7efa7SGarrett D'Amore return (DDI_FAILURE); 6064bb7efa7SGarrett D'Amore } 6074bb7efa7SGarrett D'Amore 6084bb7efa7SGarrett D'Amore /* 6094bb7efa7SGarrett D'Amore * Interrupt types are bits in a mask. We know about these ones: 6104bb7efa7SGarrett D'Amore * FIXED = 1 6114bb7efa7SGarrett D'Amore * MSI = 2 6124bb7efa7SGarrett D'Amore * MSIX = 4 6134bb7efa7SGarrett D'Amore */ 6144bb7efa7SGarrett D'Amore for (itype = DDI_INTR_TYPE_MSIX; itype != 0; itype >>= 1) { 6154bb7efa7SGarrett D'Amore 6164bb7efa7SGarrett D'Amore int count; 6174bb7efa7SGarrett D'Amore 6184bb7efa7SGarrett D'Amore if ((itypes & itype) == 0) { 6194bb7efa7SGarrett D'Amore /* this type is not supported on this device! */ 6204bb7efa7SGarrett D'Amore continue; 6214bb7efa7SGarrett D'Amore } 6224bb7efa7SGarrett D'Amore 6234bb7efa7SGarrett D'Amore if ((ddi_intr_get_nintrs(dip, itype, &count) != DDI_SUCCESS) || 6244bb7efa7SGarrett D'Amore (count == 0)) { 6254bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "ddi_intr_get_nintrs failed"); 6264bb7efa7SGarrett D'Amore continue; 6274bb7efa7SGarrett D'Amore } 6284bb7efa7SGarrett D'Amore 6294bb7efa7SGarrett D'Amore /* 6304bb7efa7SGarrett D'Amore * We have not seen a host device with multiple 6314bb7efa7SGarrett D'Amore * interrupts (one per slot?), and the spec does not 6324bb7efa7SGarrett D'Amore * indicate that they exist. But if one ever occurs, 6334bb7efa7SGarrett D'Amore * we spew a warning to help future debugging/support 6344bb7efa7SGarrett D'Amore * efforts. 6354bb7efa7SGarrett D'Amore */ 6364bb7efa7SGarrett D'Amore if (count > 1) { 6374bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Controller offers %d interrupts, " 6384bb7efa7SGarrett D'Amore "but driver only supports one", count); 6394bb7efa7SGarrett D'Amore continue; 6404bb7efa7SGarrett D'Amore } 6414bb7efa7SGarrett D'Amore 6424bb7efa7SGarrett D'Amore if ((ddi_intr_alloc(dip, &shp->sh_ihandle, itype, 0, 1, 6434bb7efa7SGarrett D'Amore &count, DDI_INTR_ALLOC_NORMAL) != DDI_SUCCESS) || 6444bb7efa7SGarrett D'Amore (count != 1)) { 6454bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "ddi_intr_alloc failed"); 6464bb7efa7SGarrett D'Amore continue; 6474bb7efa7SGarrett D'Amore } 6484bb7efa7SGarrett D'Amore 6494bb7efa7SGarrett D'Amore if (ddi_intr_get_pri(shp->sh_ihandle, &shp->sh_ipri) != 6504bb7efa7SGarrett D'Amore DDI_SUCCESS) { 6514bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "ddi_intr_get_pri failed"); 6524bb7efa7SGarrett D'Amore (void) ddi_intr_free(shp->sh_ihandle); 6534bb7efa7SGarrett D'Amore shp->sh_ihandle = NULL; 6544bb7efa7SGarrett D'Amore continue; 6554bb7efa7SGarrett D'Amore } 6564bb7efa7SGarrett D'Amore 6574bb7efa7SGarrett D'Amore if (shp->sh_ipri >= ddi_intr_get_hilevel_pri()) { 6584bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Hi level interrupt not supported"); 6594bb7efa7SGarrett D'Amore (void) ddi_intr_free(shp->sh_ihandle); 6604bb7efa7SGarrett D'Amore shp->sh_ihandle = NULL; 6614bb7efa7SGarrett D'Amore continue; 6624bb7efa7SGarrett D'Amore } 6634bb7efa7SGarrett D'Amore 6644bb7efa7SGarrett D'Amore if (ddi_intr_get_cap(shp->sh_ihandle, &shp->sh_icap) != 6654bb7efa7SGarrett D'Amore DDI_SUCCESS) { 6664bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "ddi_intr_get_cap failed"); 6674bb7efa7SGarrett D'Amore (void) ddi_intr_free(shp->sh_ihandle); 6684bb7efa7SGarrett D'Amore shp->sh_ihandle = NULL; 6694bb7efa7SGarrett D'Amore continue; 6704bb7efa7SGarrett D'Amore } 6714bb7efa7SGarrett D'Amore 6724bb7efa7SGarrett D'Amore if (ddi_intr_add_handler(shp->sh_ihandle, sdhost_intr, 6734bb7efa7SGarrett D'Amore shp, NULL) != DDI_SUCCESS) { 6744bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "ddi_intr_add_handler failed"); 6754bb7efa7SGarrett D'Amore (void) ddi_intr_free(shp->sh_ihandle); 6764bb7efa7SGarrett D'Amore shp->sh_ihandle = NULL; 6774bb7efa7SGarrett D'Amore continue; 6784bb7efa7SGarrett D'Amore } 6794bb7efa7SGarrett D'Amore 6804bb7efa7SGarrett D'Amore return (DDI_SUCCESS); 6814bb7efa7SGarrett D'Amore } 6824bb7efa7SGarrett D'Amore 6834bb7efa7SGarrett D'Amore return (DDI_FAILURE); 6844bb7efa7SGarrett D'Amore } 6854bb7efa7SGarrett D'Amore 6864bb7efa7SGarrett D'Amore void 6874bb7efa7SGarrett D'Amore sdhost_xfer_done(sdslot_t *ss, sda_err_t errno) 6884bb7efa7SGarrett D'Amore { 6894bb7efa7SGarrett D'Amore if ((errno == SDA_EOK) && (ss->ss_resid != 0)) { 6904bb7efa7SGarrett D'Amore /* an unexpected partial transfer was found */ 6914bb7efa7SGarrett D'Amore errno = SDA_ERESID; 6924bb7efa7SGarrett D'Amore } 6934bb7efa7SGarrett D'Amore ss->ss_blksz = 0; 6944bb7efa7SGarrett D'Amore ss->ss_resid = 0; 6954bb7efa7SGarrett D'Amore 6964bb7efa7SGarrett D'Amore if (errno != SDA_EOK) { 6974bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_CMD); 6984bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_DAT); 6994bb7efa7SGarrett D'Amore 7004bb7efa7SGarrett D'Amore /* send a STOP command if necessary */ 7014bb7efa7SGarrett D'Amore if (ss->ss_mode & XFR_MODE_AUTO_CMD12) { 7024bb7efa7SGarrett D'Amore PUT32(ss, REG_ARGUMENT, 0); 7034bb7efa7SGarrett D'Amore PUT16(ss, REG_COMMAND, 7044bb7efa7SGarrett D'Amore (CMD_STOP_TRANSMIT << 8) | 7054bb7efa7SGarrett D'Amore COMMAND_TYPE_NORM | COMMAND_INDEX_CHECK_EN | 7064bb7efa7SGarrett D'Amore COMMAND_CRC_CHECK_EN | COMMAND_RESP_48_BUSY); 7074bb7efa7SGarrett D'Amore } 7084bb7efa7SGarrett D'Amore } 7094bb7efa7SGarrett D'Amore 7104bb7efa7SGarrett D'Amore sda_host_transfer(ss->ss_host, ss->ss_num, errno); 7114bb7efa7SGarrett D'Amore } 7124bb7efa7SGarrett D'Amore 7134bb7efa7SGarrett D'Amore uint_t 7144bb7efa7SGarrett D'Amore sdhost_slot_intr(sdslot_t *ss) 7154bb7efa7SGarrett D'Amore { 7164bb7efa7SGarrett D'Amore uint16_t intr; 7174bb7efa7SGarrett D'Amore uint16_t errs; 7184bb7efa7SGarrett D'Amore uint8_t *data; 7194bb7efa7SGarrett D'Amore int count; 7204bb7efa7SGarrett D'Amore 7214bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 7224bb7efa7SGarrett D'Amore 7234bb7efa7SGarrett D'Amore if (ss->ss_suspended) { 7244bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 7254bb7efa7SGarrett D'Amore return (DDI_INTR_UNCLAIMED); 7264bb7efa7SGarrett D'Amore } 7274bb7efa7SGarrett D'Amore 7284bb7efa7SGarrett D'Amore intr = GET16(ss, REG_INT_STAT); 7294bb7efa7SGarrett D'Amore if (intr == 0) { 7304bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 7314bb7efa7SGarrett D'Amore return (DDI_INTR_UNCLAIMED); 7324bb7efa7SGarrett D'Amore } 7334bb7efa7SGarrett D'Amore errs = GET16(ss, REG_ERR_STAT); 7344bb7efa7SGarrett D'Amore 7354bb7efa7SGarrett D'Amore if (intr & (INT_REM | INT_INS)) { 7364bb7efa7SGarrett D'Amore 7374bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, intr); 7384bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 7394bb7efa7SGarrett D'Amore 7404bb7efa7SGarrett D'Amore sda_host_detect(ss->ss_host, ss->ss_num); 7414bb7efa7SGarrett D'Amore /* no further interrupt processing this cycle */ 7424bb7efa7SGarrett D'Amore return (DDI_INTR_CLAIMED); 7434bb7efa7SGarrett D'Amore } 7444bb7efa7SGarrett D'Amore 7454bb7efa7SGarrett D'Amore if (intr & INT_DMA) { 7464bb7efa7SGarrett D'Amore /* 7474bb7efa7SGarrett D'Amore * We have crossed a DMA/page boundary. Cope with it. 7484bb7efa7SGarrett D'Amore */ 7494bb7efa7SGarrett D'Amore if (ss->ss_ndmac) { 7504bb7efa7SGarrett D'Amore ss->ss_ndmac--; 7514bb7efa7SGarrett D'Amore ss->ss_dmacs++; 7524bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_DMA); 7534bb7efa7SGarrett D'Amore PUT32(ss, REG_SDMA_ADDR, ss->ss_dmacs->dmac_address); 7544bb7efa7SGarrett D'Amore 7554bb7efa7SGarrett D'Amore } else { 7564bb7efa7SGarrett D'Amore /* 7574bb7efa7SGarrett D'Amore * Apparently some sdhost controllers issue a 7584bb7efa7SGarrett D'Amore * final DMA interrupt if the DMA completes on 7594bb7efa7SGarrett D'Amore * a boundary, even though there is no further 7604bb7efa7SGarrett D'Amore * data to transfer. 7614bb7efa7SGarrett D'Amore * 7624bb7efa7SGarrett D'Amore * There might be a risk here of the 7634bb7efa7SGarrett D'Amore * controller continuing to access the same 7644bb7efa7SGarrett D'Amore * data over and over again, but we accept the 7654bb7efa7SGarrett D'Amore * risk. 7664bb7efa7SGarrett D'Amore */ 7674bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_DMA); 7684bb7efa7SGarrett D'Amore } 7694bb7efa7SGarrett D'Amore } 7704bb7efa7SGarrett D'Amore 7714bb7efa7SGarrett D'Amore if (intr & INT_RD) { 7724bb7efa7SGarrett D'Amore /* 7734bb7efa7SGarrett D'Amore * PIO read! PIO is quite suboptimal, but we expect 7744bb7efa7SGarrett D'Amore * performance critical applications to use DMA 7754bb7efa7SGarrett D'Amore * whenever possible. We have to stage this through 7764bb7efa7SGarrett D'Amore * the bounce buffer to meet alignment considerations. 7774bb7efa7SGarrett D'Amore */ 7784bb7efa7SGarrett D'Amore 7794bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_RD); 7804bb7efa7SGarrett D'Amore 7814bb7efa7SGarrett D'Amore while ((ss->ss_resid > 0) && CHECK_STATE(ss, BUF_RD_EN)) { 7824bb7efa7SGarrett D'Amore 7834bb7efa7SGarrett D'Amore data = (void *)ss->ss_bounce; 7844bb7efa7SGarrett D'Amore count = ss->ss_blksz; 7854bb7efa7SGarrett D'Amore 7864bb7efa7SGarrett D'Amore ASSERT(count > 0); 7874bb7efa7SGarrett D'Amore ASSERT(ss->ss_kvaddr != NULL); 7884bb7efa7SGarrett D'Amore 7894bb7efa7SGarrett D'Amore while (count >= sizeof (uint32_t)) { 7904bb7efa7SGarrett D'Amore *(uint32_t *)(void *)data = GETDATA32(ss); 7914bb7efa7SGarrett D'Amore data += sizeof (uint32_t); 7924bb7efa7SGarrett D'Amore count -= sizeof (uint32_t); 7934bb7efa7SGarrett D'Amore } 7944bb7efa7SGarrett D'Amore while (count >= sizeof (uint16_t)) { 7954bb7efa7SGarrett D'Amore *(uint16_t *)(void *)data = GETDATA16(ss); 7964bb7efa7SGarrett D'Amore data += sizeof (uint16_t); 7974bb7efa7SGarrett D'Amore count -= sizeof (uint16_t); 7984bb7efa7SGarrett D'Amore } 7994bb7efa7SGarrett D'Amore while (count >= sizeof (uint8_t)) { 8004bb7efa7SGarrett D'Amore *(uint8_t *)data = GETDATA8(ss); 8014bb7efa7SGarrett D'Amore data += sizeof (uint8_t); 8024bb7efa7SGarrett D'Amore count -= sizeof (uint8_t); 8034bb7efa7SGarrett D'Amore } 8044bb7efa7SGarrett D'Amore 8054bb7efa7SGarrett D'Amore bcopy(ss->ss_bounce, ss->ss_kvaddr, ss->ss_blksz); 8064bb7efa7SGarrett D'Amore ss->ss_kvaddr += ss->ss_blksz; 8074bb7efa7SGarrett D'Amore ss->ss_resid--; 8084bb7efa7SGarrett D'Amore } 8094bb7efa7SGarrett D'Amore } 8104bb7efa7SGarrett D'Amore 8114bb7efa7SGarrett D'Amore if (intr & INT_WR) { 8124bb7efa7SGarrett D'Amore /* 8134bb7efa7SGarrett D'Amore * PIO write! PIO is quite suboptimal, but we expect 8144bb7efa7SGarrett D'Amore * performance critical applications to use DMA 8154bb7efa7SGarrett D'Amore * whenever possible. We have to stage this trhough 8164bb7efa7SGarrett D'Amore * the bounce buffer to meet alignment considerations. 8174bb7efa7SGarrett D'Amore */ 8184bb7efa7SGarrett D'Amore 8194bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_WR); 8204bb7efa7SGarrett D'Amore 8214bb7efa7SGarrett D'Amore while ((ss->ss_resid > 0) && CHECK_STATE(ss, BUF_WR_EN)) { 8224bb7efa7SGarrett D'Amore 8234bb7efa7SGarrett D'Amore data = (void *)ss->ss_bounce; 8244bb7efa7SGarrett D'Amore count = ss->ss_blksz; 8254bb7efa7SGarrett D'Amore 8264bb7efa7SGarrett D'Amore ASSERT(count > 0); 8274bb7efa7SGarrett D'Amore ASSERT(ss->ss_kvaddr != NULL); 8284bb7efa7SGarrett D'Amore 8294bb7efa7SGarrett D'Amore bcopy(ss->ss_kvaddr, data, count); 8304bb7efa7SGarrett D'Amore while (count >= sizeof (uint32_t)) { 8314bb7efa7SGarrett D'Amore PUTDATA32(ss, *(uint32_t *)(void *)data); 8324bb7efa7SGarrett D'Amore data += sizeof (uint32_t); 8334bb7efa7SGarrett D'Amore count -= sizeof (uint32_t); 8344bb7efa7SGarrett D'Amore } 8354bb7efa7SGarrett D'Amore while (count >= sizeof (uint16_t)) { 8364bb7efa7SGarrett D'Amore PUTDATA16(ss, *(uint16_t *)(void *)data); 8374bb7efa7SGarrett D'Amore data += sizeof (uint16_t); 8384bb7efa7SGarrett D'Amore count -= sizeof (uint16_t); 8394bb7efa7SGarrett D'Amore } 8404bb7efa7SGarrett D'Amore while (count >= sizeof (uint8_t)) { 8414bb7efa7SGarrett D'Amore PUTDATA8(ss, *(uint8_t *)data); 8424bb7efa7SGarrett D'Amore data += sizeof (uint8_t); 8434bb7efa7SGarrett D'Amore count -= sizeof (uint8_t); 8444bb7efa7SGarrett D'Amore } 8454bb7efa7SGarrett D'Amore 8464bb7efa7SGarrett D'Amore ss->ss_kvaddr += ss->ss_blksz; 8474bb7efa7SGarrett D'Amore ss->ss_resid--; 8484bb7efa7SGarrett D'Amore } 8494bb7efa7SGarrett D'Amore } 8504bb7efa7SGarrett D'Amore 8514bb7efa7SGarrett D'Amore if (intr & INT_XFR) { 8524bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_XFR); 8534bb7efa7SGarrett D'Amore 8544bb7efa7SGarrett D'Amore sdhost_xfer_done(ss, SDA_EOK); 8554bb7efa7SGarrett D'Amore } 8564bb7efa7SGarrett D'Amore 8574bb7efa7SGarrett D'Amore if (intr & INT_ERR) { 8584bb7efa7SGarrett D'Amore PUT16(ss, REG_ERR_STAT, errs); 8594bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_ERR); 8604bb7efa7SGarrett D'Amore 8614bb7efa7SGarrett D'Amore if (errs & ERR_DAT) { 8624bb7efa7SGarrett D'Amore if ((errs & ERR_DAT_END) == ERR_DAT_END) { 8634bb7efa7SGarrett D'Amore sdhost_xfer_done(ss, SDA_EPROTO); 8644bb7efa7SGarrett D'Amore } else if ((errs & ERR_DAT_CRC) == ERR_DAT_CRC) { 8654bb7efa7SGarrett D'Amore sdhost_xfer_done(ss, SDA_ECRC7); 8664bb7efa7SGarrett D'Amore } else { 8674bb7efa7SGarrett D'Amore sdhost_xfer_done(ss, SDA_ETIME); 8684bb7efa7SGarrett D'Amore } 8694bb7efa7SGarrett D'Amore 8704bb7efa7SGarrett D'Amore } else if (errs & ERR_ACMD12) { 8714bb7efa7SGarrett D'Amore /* 8724bb7efa7SGarrett D'Amore * Generally, this is bad news. we need a full 8734bb7efa7SGarrett D'Amore * reset to recover properly. 8744bb7efa7SGarrett D'Amore */ 8754bb7efa7SGarrett D'Amore sdhost_xfer_done(ss, SDA_ECMD12); 8764bb7efa7SGarrett D'Amore } 8774bb7efa7SGarrett D'Amore 8784bb7efa7SGarrett D'Amore /* 8794bb7efa7SGarrett D'Amore * This asynchronous error leaves the slot more or less 8804bb7efa7SGarrett D'Amore * useless. Report it to the framework. 8814bb7efa7SGarrett D'Amore */ 8824bb7efa7SGarrett D'Amore if (errs & ERR_CURRENT) { 8834bb7efa7SGarrett D'Amore sda_host_fault(ss->ss_host, ss->ss_num, 8844bb7efa7SGarrett D'Amore SDA_FAULT_CURRENT); 8854bb7efa7SGarrett D'Amore } 8864bb7efa7SGarrett D'Amore } 8874bb7efa7SGarrett D'Amore 8884bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 8894bb7efa7SGarrett D'Amore 8904bb7efa7SGarrett D'Amore return (DDI_INTR_CLAIMED); 8914bb7efa7SGarrett D'Amore } 8924bb7efa7SGarrett D'Amore 8934bb7efa7SGarrett D'Amore /*ARGSUSED1*/ 8944bb7efa7SGarrett D'Amore uint_t 8954bb7efa7SGarrett D'Amore sdhost_intr(caddr_t arg1, caddr_t arg2) 8964bb7efa7SGarrett D'Amore { 8974bb7efa7SGarrett D'Amore sdhost_t *shp = (void *)arg1; 8984bb7efa7SGarrett D'Amore int rv = DDI_INTR_UNCLAIMED; 8994bb7efa7SGarrett D'Amore int num; 9004bb7efa7SGarrett D'Amore 9014bb7efa7SGarrett D'Amore /* interrupt for each of the slots present in the system */ 9024bb7efa7SGarrett D'Amore for (num = 0; num < shp->sh_numslots; num++) { 9034bb7efa7SGarrett D'Amore if (sdhost_slot_intr(&shp->sh_slots[num]) == 9044bb7efa7SGarrett D'Amore DDI_INTR_CLAIMED) { 9054bb7efa7SGarrett D'Amore rv = DDI_INTR_CLAIMED; 9064bb7efa7SGarrett D'Amore } 9074bb7efa7SGarrett D'Amore } 9084bb7efa7SGarrett D'Amore return (rv); 9094bb7efa7SGarrett D'Amore } 9104bb7efa7SGarrett D'Amore 9114bb7efa7SGarrett D'Amore int 9124bb7efa7SGarrett D'Amore sdhost_init_slot(dev_info_t *dip, sdhost_t *shp, int num, int bar) 9134bb7efa7SGarrett D'Amore { 9144bb7efa7SGarrett D'Amore sdslot_t *ss; 9154bb7efa7SGarrett D'Amore uint32_t capab; 9164bb7efa7SGarrett D'Amore uint32_t clk; 9174bb7efa7SGarrett D'Amore 9184bb7efa7SGarrett D'Amore /* 9194bb7efa7SGarrett D'Amore * Register the private state. 9204bb7efa7SGarrett D'Amore */ 9214bb7efa7SGarrett D'Amore ss = &shp->sh_slots[num]; 9224bb7efa7SGarrett D'Amore ss->ss_host = shp->sh_host; 9234bb7efa7SGarrett D'Amore ss->ss_num = num; 9244bb7efa7SGarrett D'Amore sda_host_set_private(shp->sh_host, num, ss); 9254bb7efa7SGarrett D'Amore 9264bb7efa7SGarrett D'Amore /* 9274bb7efa7SGarrett D'Amore * Initialize core data structure, locks, etc. 9284bb7efa7SGarrett D'Amore */ 9294bb7efa7SGarrett D'Amore mutex_init(&ss->ss_lock, NULL, MUTEX_DRIVER, 9304bb7efa7SGarrett D'Amore DDI_INTR_PRI(shp->sh_ipri)); 9314bb7efa7SGarrett D'Amore 9324bb7efa7SGarrett D'Amore if (ddi_regs_map_setup(dip, bar, &ss->ss_regva, 0, 0, &sdhost_regattr, 9334bb7efa7SGarrett D'Amore &ss->ss_acch) != DDI_SUCCESS) { 9344bb7efa7SGarrett D'Amore return (DDI_FAILURE); 9354bb7efa7SGarrett D'Amore } 9364bb7efa7SGarrett D'Amore 9374bb7efa7SGarrett D'Amore /* reset before reading capabilities */ 9384bb7efa7SGarrett D'Amore if (sdhost_soft_reset(ss, SOFT_RESET_ALL) != SDA_EOK) 9394bb7efa7SGarrett D'Amore return (DDI_FAILURE); 9404bb7efa7SGarrett D'Amore 9414bb7efa7SGarrett D'Amore capab = GET64(ss, REG_CAPAB) & 0xffffffffU; /* upper bits reserved */ 9424bb7efa7SGarrett D'Amore ss->ss_capab = capab; 9434bb7efa7SGarrett D'Amore 9444bb7efa7SGarrett D'Amore /* host voltages in OCR format */ 9454bb7efa7SGarrett D'Amore ss->ss_ocr = 0; 9464bb7efa7SGarrett D'Amore if (capab & CAPAB_18V) 9474bb7efa7SGarrett D'Amore ss->ss_ocr |= OCR_18_19V; /* 1.8V */ 9484bb7efa7SGarrett D'Amore if (capab & CAPAB_30V) 9494bb7efa7SGarrett D'Amore ss->ss_ocr |= OCR_30_31V; 9504bb7efa7SGarrett D'Amore if (capab & CAPAB_33V) 9514bb7efa7SGarrett D'Amore ss->ss_ocr |= OCR_32_33V; 9524bb7efa7SGarrett D'Amore 9534bb7efa7SGarrett D'Amore /* base clock */ 9544bb7efa7SGarrett D'Amore ss->ss_baseclk = 9554bb7efa7SGarrett D'Amore ((capab & CAPAB_BASE_FREQ_MASK) >> CAPAB_BASE_FREQ_SHIFT); 9564bb7efa7SGarrett D'Amore ss->ss_baseclk *= 1000000; 9574bb7efa7SGarrett D'Amore 9584bb7efa7SGarrett D'Amore /* 9594bb7efa7SGarrett D'Amore * Timeout clock. We can calculate this using the following 9604bb7efa7SGarrett D'Amore * formula: 9614bb7efa7SGarrett D'Amore * 9624bb7efa7SGarrett D'Amore * (1000000 usec/1sec) * (1sec/tmoutclk) * base factor = clock time 9634bb7efa7SGarrett D'Amore * 9644bb7efa7SGarrett D'Amore * Clock time is the length of the base clock in usecs. 9654bb7efa7SGarrett D'Amore * 9664bb7efa7SGarrett D'Amore * Our base factor is 2^13, which is the shortest clock we 9674bb7efa7SGarrett D'Amore * can count. 9684bb7efa7SGarrett D'Amore * 9694bb7efa7SGarrett D'Amore * To simplify the math and avoid overflow, we cancel out the 9704bb7efa7SGarrett D'Amore * zeros for kHz or MHz. Since we want to wait more clocks, not 9714bb7efa7SGarrett D'Amore * less, on error, we truncate the result rather than rounding 9724bb7efa7SGarrett D'Amore * up. 9734bb7efa7SGarrett D'Amore */ 9744bb7efa7SGarrett D'Amore clk = ((capab & CAPAB_TIMEOUT_FREQ_MASK) >> CAPAB_TIMEOUT_FREQ_SHIFT); 9754bb7efa7SGarrett D'Amore if ((ss->ss_baseclk == 0) || (clk == 0)) { 9764bb7efa7SGarrett D'Amore cmn_err(CE_WARN, "Unable to determine clock frequencies"); 9774bb7efa7SGarrett D'Amore return (DDI_FAILURE); 9784bb7efa7SGarrett D'Amore } 9794bb7efa7SGarrett D'Amore 9804bb7efa7SGarrett D'Amore if (capab & CAPAB_TIMEOUT_UNITS) { 9814bb7efa7SGarrett D'Amore /* MHz */ 9824bb7efa7SGarrett D'Amore ss->ss_tmusecs = (1 << 13) / clk; 9834bb7efa7SGarrett D'Amore clk *= 1000000; 9844bb7efa7SGarrett D'Amore } else { 9854bb7efa7SGarrett D'Amore /* kHz */ 9864bb7efa7SGarrett D'Amore ss->ss_tmusecs = (1000 * (1 << 13)) / clk; 9874bb7efa7SGarrett D'Amore clk *= 1000; 9884bb7efa7SGarrett D'Amore } 9894bb7efa7SGarrett D'Amore 9904bb7efa7SGarrett D'Amore /* 9914bb7efa7SGarrett D'Amore * Calculation of the timeout. 9924bb7efa7SGarrett D'Amore * 9934bb7efa7SGarrett D'Amore * SDIO cards use a 1sec timeout, and SDHC cards use fixed 9944bb7efa7SGarrett D'Amore * 100msec for read and 250 msec for write. 9954bb7efa7SGarrett D'Amore * 9964bb7efa7SGarrett D'Amore * Legacy cards running at 375kHz have a worst case of about 9974bb7efa7SGarrett D'Amore * 15 seconds. Running at 25MHz (the standard speed) it is 9984bb7efa7SGarrett D'Amore * about 100msec for read, and about 3.2 sec for write. 9994bb7efa7SGarrett D'Amore * Typical values are 1/100th that, or about 1msec for read, 10004bb7efa7SGarrett D'Amore * and 32 msec for write. 10014bb7efa7SGarrett D'Amore * 10024bb7efa7SGarrett D'Amore * No transaction at full speed should ever take more than 4 10034bb7efa7SGarrett D'Amore * seconds. (Some slow legacy cards might have trouble, but 10044bb7efa7SGarrett D'Amore * we'll worry about them if they ever are seen. Nobody wants 10054bb7efa7SGarrett D'Amore * to wait 4 seconds to access a single block anyway!) 10064bb7efa7SGarrett D'Amore * 10074bb7efa7SGarrett D'Amore * To get to 4 seconds, we continuously double usec until we 10084bb7efa7SGarrett D'Amore * get to the maximum value, or a timeout greater than 4 10094bb7efa7SGarrett D'Amore * seconds. 10104bb7efa7SGarrett D'Amore * 10114bb7efa7SGarrett D'Amore * Note that for high-speed timeout clocks, we might not be 10124bb7efa7SGarrett D'Amore * able to get to the full 4 seconds. E.g. with a 48MHz 10134bb7efa7SGarrett D'Amore * timeout clock, we can only get to about 2.8 seconds. Its 10144bb7efa7SGarrett D'Amore * possible that there could be some slow MMC cards that will 10154bb7efa7SGarrett D'Amore * timeout at this clock rate, but it seems unlikely. (The 10164bb7efa7SGarrett D'Amore * device would have to be pressing the very worst times, 10174bb7efa7SGarrett D'Amore * against the 100-fold "permissive" window allowed, and 10184bb7efa7SGarrett D'Amore * running at only 12.5MHz.) 10194bb7efa7SGarrett D'Amore * 10204bb7efa7SGarrett D'Amore * XXX: this could easily be a tunable. Someone dealing with only 10214bb7efa7SGarrett D'Amore * reasonable cards could set this to just 1 second. 10224bb7efa7SGarrett D'Amore */ 10234bb7efa7SGarrett D'Amore for (ss->ss_tmoutclk = 0; ss->ss_tmoutclk < 14; ss->ss_tmoutclk++) { 10244bb7efa7SGarrett D'Amore if ((ss->ss_tmusecs * (1 << ss->ss_tmoutclk)) >= 4000000) { 10254bb7efa7SGarrett D'Amore break; 10264bb7efa7SGarrett D'Amore } 10274bb7efa7SGarrett D'Amore } 10284bb7efa7SGarrett D'Amore 10294bb7efa7SGarrett D'Amore /* 10304bb7efa7SGarrett D'Amore * Enable slot interrupts. 10314bb7efa7SGarrett D'Amore */ 10324bb7efa7SGarrett D'Amore sdhost_enable_interrupts(ss); 10334bb7efa7SGarrett D'Amore 10344bb7efa7SGarrett D'Amore return (DDI_SUCCESS); 10354bb7efa7SGarrett D'Amore } 10364bb7efa7SGarrett D'Amore 10374bb7efa7SGarrett D'Amore void 10384bb7efa7SGarrett D'Amore sdhost_uninit_slot(sdhost_t *shp, int num) 10394bb7efa7SGarrett D'Amore { 10404bb7efa7SGarrett D'Amore sdslot_t *ss; 10414bb7efa7SGarrett D'Amore 10424bb7efa7SGarrett D'Amore ss = &shp->sh_slots[num]; 10434bb7efa7SGarrett D'Amore if (ss->ss_acch == NULL) 10444bb7efa7SGarrett D'Amore return; 10454bb7efa7SGarrett D'Amore 10464bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_ALL); 10474bb7efa7SGarrett D'Amore 10484bb7efa7SGarrett D'Amore ddi_regs_map_free(&ss->ss_acch); 10494bb7efa7SGarrett D'Amore mutex_destroy(&ss->ss_lock); 10504bb7efa7SGarrett D'Amore } 10514bb7efa7SGarrett D'Amore 10524bb7efa7SGarrett D'Amore void 10534bb7efa7SGarrett D'Amore sdhost_get_response(sdslot_t *ss, sda_cmd_t *cmdp) 10544bb7efa7SGarrett D'Amore { 10554bb7efa7SGarrett D'Amore uint32_t *resp = cmdp->sc_response; 10564bb7efa7SGarrett D'Amore int i; 10574bb7efa7SGarrett D'Amore 10584bb7efa7SGarrett D'Amore resp[0] = GET32(ss, REG_RESP1); 10594bb7efa7SGarrett D'Amore resp[1] = GET32(ss, REG_RESP2); 10604bb7efa7SGarrett D'Amore resp[2] = GET32(ss, REG_RESP3); 10614bb7efa7SGarrett D'Amore resp[3] = GET32(ss, REG_RESP4); 10624bb7efa7SGarrett D'Amore 10634bb7efa7SGarrett D'Amore /* 10644bb7efa7SGarrett D'Amore * Response 2 is goofy because the host drops the low 10654bb7efa7SGarrett D'Amore * order CRC bits. This makes it a bit awkward, so we 10664bb7efa7SGarrett D'Amore * have to shift the bits to make it work out right. 10674bb7efa7SGarrett D'Amore * 10684bb7efa7SGarrett D'Amore * Note that the framework expects the 32 bit 10694bb7efa7SGarrett D'Amore * words to be ordered in LE fashion. (The 10704bb7efa7SGarrett D'Amore * bits within the words are in native order). 10714bb7efa7SGarrett D'Amore */ 10724bb7efa7SGarrett D'Amore if (cmdp->sc_rtype == R2) { 10734bb7efa7SGarrett D'Amore for (i = 3; i > 0; i--) { 10744bb7efa7SGarrett D'Amore resp[i] <<= 8; 10754bb7efa7SGarrett D'Amore resp[i] |= (resp[i - 1] >> 24); 10764bb7efa7SGarrett D'Amore } 10774bb7efa7SGarrett D'Amore resp[0] <<= 8; 10784bb7efa7SGarrett D'Amore } 10794bb7efa7SGarrett D'Amore } 10804bb7efa7SGarrett D'Amore 10814bb7efa7SGarrett D'Amore sda_err_t 10824bb7efa7SGarrett D'Amore sdhost_wait_cmd(sdslot_t *ss, sda_cmd_t *cmdp) 10834bb7efa7SGarrett D'Amore { 10844bb7efa7SGarrett D'Amore int i; 10854bb7efa7SGarrett D'Amore uint16_t errs; 10864bb7efa7SGarrett D'Amore 10874bb7efa7SGarrett D'Amore /* 10884bb7efa7SGarrett D'Amore * Worst case for 100kHz timeout is 2msec (200 clocks), we add 10894bb7efa7SGarrett D'Amore * a tiny bit for safety. (Generally timeout will be far, far 10904bb7efa7SGarrett D'Amore * less than that.) 10914bb7efa7SGarrett D'Amore * 10924bb7efa7SGarrett D'Amore * Note that at more typical 12MHz (and normally it will be 10934bb7efa7SGarrett D'Amore * even faster than that!) that the device timeout is only 10944bb7efa7SGarrett D'Amore * 16.67 usec. We could be smarter and reduce the delay time, 10954bb7efa7SGarrett D'Amore * but that would require putting more intelligence into the 10964bb7efa7SGarrett D'Amore * code, and we don't expect CMD timeout to normally occur 10974bb7efa7SGarrett D'Amore * except during initialization. (At which time we need the 10984bb7efa7SGarrett D'Amore * full timeout anyway.) 10994bb7efa7SGarrett D'Amore * 11004bb7efa7SGarrett D'Amore * Checking the ERR_STAT will normally cause the timeout to 11014bb7efa7SGarrett D'Amore * terminate to finish early if the device is healthy, anyway. 11024bb7efa7SGarrett D'Amore */ 11034bb7efa7SGarrett D'Amore 11044bb7efa7SGarrett D'Amore for (i = 3000; i > 0; i -= 5) { 11054bb7efa7SGarrett D'Amore if (GET16(ss, REG_INT_STAT) & INT_CMD) { 11064bb7efa7SGarrett D'Amore 11074bb7efa7SGarrett D'Amore PUT16(ss, REG_INT_STAT, INT_CMD); 11084bb7efa7SGarrett D'Amore 11094bb7efa7SGarrett D'Amore /* command completed */ 11104bb7efa7SGarrett D'Amore sdhost_get_response(ss, cmdp); 11114bb7efa7SGarrett D'Amore return (SDA_EOK); 11124bb7efa7SGarrett D'Amore } 11134bb7efa7SGarrett D'Amore 11144bb7efa7SGarrett D'Amore if ((errs = (GET16(ss, REG_ERR_STAT) & ERR_CMD)) != 0) { 11154bb7efa7SGarrett D'Amore PUT16(ss, REG_ERR_STAT, errs); 11164bb7efa7SGarrett D'Amore 11174bb7efa7SGarrett D'Amore /* command timeout isn't a host failure */ 11184bb7efa7SGarrett D'Amore if ((errs & ERR_CMD_TMO) == ERR_CMD_TMO) { 11194bb7efa7SGarrett D'Amore return (SDA_ETIME); 11204bb7efa7SGarrett D'Amore } 11214bb7efa7SGarrett D'Amore 11224bb7efa7SGarrett D'Amore if ((errs & ERR_CMD_CRC) == ERR_CMD_CRC) { 11234bb7efa7SGarrett D'Amore return (SDA_ECRC7); 11244bb7efa7SGarrett D'Amore } else { 11254bb7efa7SGarrett D'Amore return (SDA_EPROTO); 11264bb7efa7SGarrett D'Amore } 11274bb7efa7SGarrett D'Amore } 11284bb7efa7SGarrett D'Amore 11294bb7efa7SGarrett D'Amore drv_usecwait(5); 11304bb7efa7SGarrett D'Amore } 11314bb7efa7SGarrett D'Amore 11324bb7efa7SGarrett D'Amore return (SDA_ETIME); 11334bb7efa7SGarrett D'Amore } 11344bb7efa7SGarrett D'Amore 11354bb7efa7SGarrett D'Amore sda_err_t 11364bb7efa7SGarrett D'Amore sdhost_poll(void *arg) 11374bb7efa7SGarrett D'Amore { 11384bb7efa7SGarrett D'Amore sdslot_t *ss = arg; 11394bb7efa7SGarrett D'Amore 11404bb7efa7SGarrett D'Amore (void) sdhost_slot_intr(ss); 11414bb7efa7SGarrett D'Amore return (SDA_EOK); 11424bb7efa7SGarrett D'Amore } 11434bb7efa7SGarrett D'Amore 11444bb7efa7SGarrett D'Amore sda_err_t 11454bb7efa7SGarrett D'Amore sdhost_cmd(void *arg, sda_cmd_t *cmdp) 11464bb7efa7SGarrett D'Amore { 11474bb7efa7SGarrett D'Amore sdslot_t *ss = arg; 11484bb7efa7SGarrett D'Amore uint16_t command; 11494bb7efa7SGarrett D'Amore uint16_t mode; 11504bb7efa7SGarrett D'Amore sda_err_t rv; 11514bb7efa7SGarrett D'Amore 11524bb7efa7SGarrett D'Amore /* 11534bb7efa7SGarrett D'Amore * Command register: 11544bb7efa7SGarrett D'Amore * bit 13-8 = command index 11554bb7efa7SGarrett D'Amore * bit 7-6 = command type (always zero for us!) 11564bb7efa7SGarrett D'Amore * bit 5 = data present select 11574bb7efa7SGarrett D'Amore * bit 4 = command index check (always on!) 11584bb7efa7SGarrett D'Amore * bit 3 = command CRC check enable 11594bb7efa7SGarrett D'Amore * bit 2 = reserved 11604bb7efa7SGarrett D'Amore * bit 1-0 = response type 11614bb7efa7SGarrett D'Amore */ 11624bb7efa7SGarrett D'Amore 11634bb7efa7SGarrett D'Amore command = ((uint16_t)cmdp->sc_index << 8); 11644bb7efa7SGarrett D'Amore command |= COMMAND_TYPE_NORM | 11654bb7efa7SGarrett D'Amore COMMAND_INDEX_CHECK_EN | COMMAND_CRC_CHECK_EN; 11664bb7efa7SGarrett D'Amore 11674bb7efa7SGarrett D'Amore switch (cmdp->sc_rtype) { 11684bb7efa7SGarrett D'Amore case R0: 11694bb7efa7SGarrett D'Amore command |= COMMAND_RESP_NONE; 11704bb7efa7SGarrett D'Amore break; 11714bb7efa7SGarrett D'Amore case R1: 11724bb7efa7SGarrett D'Amore case R5: 11734bb7efa7SGarrett D'Amore case R6: 11744bb7efa7SGarrett D'Amore case R7: 11754bb7efa7SGarrett D'Amore command |= COMMAND_RESP_48; 11764bb7efa7SGarrett D'Amore break; 11774bb7efa7SGarrett D'Amore case R1b: 11784bb7efa7SGarrett D'Amore case R5b: 11794bb7efa7SGarrett D'Amore command |= COMMAND_RESP_48_BUSY; 11804bb7efa7SGarrett D'Amore break; 11814bb7efa7SGarrett D'Amore case R2: 11824bb7efa7SGarrett D'Amore command |= COMMAND_RESP_136; 11834bb7efa7SGarrett D'Amore command &= ~(COMMAND_INDEX_CHECK_EN | COMMAND_CRC_CHECK_EN); 11844bb7efa7SGarrett D'Amore break; 11854bb7efa7SGarrett D'Amore case R3: 11864bb7efa7SGarrett D'Amore case R4: 11874bb7efa7SGarrett D'Amore command |= COMMAND_RESP_48; 11884bb7efa7SGarrett D'Amore command &= ~COMMAND_CRC_CHECK_EN; 11894bb7efa7SGarrett D'Amore command &= ~COMMAND_INDEX_CHECK_EN; 11904bb7efa7SGarrett D'Amore break; 11914bb7efa7SGarrett D'Amore default: 11924bb7efa7SGarrett D'Amore return (SDA_EINVAL); 11934bb7efa7SGarrett D'Amore } 11944bb7efa7SGarrett D'Amore 11954bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 11964bb7efa7SGarrett D'Amore if (ss->ss_suspended) { 11974bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 11984bb7efa7SGarrett D'Amore return (SDA_ESUSPENDED); 11994bb7efa7SGarrett D'Amore } 12004bb7efa7SGarrett D'Amore 12014bb7efa7SGarrett D'Amore if (cmdp->sc_nblks != 0) { 12024bb7efa7SGarrett D'Amore uint16_t blksz; 12034bb7efa7SGarrett D'Amore uint16_t nblks; 12044bb7efa7SGarrett D'Amore 12054bb7efa7SGarrett D'Amore blksz = cmdp->sc_blksz; 12064bb7efa7SGarrett D'Amore nblks = cmdp->sc_nblks; 12074bb7efa7SGarrett D'Amore 12084bb7efa7SGarrett D'Amore /* 12094bb7efa7SGarrett D'Amore * Ensure that we have good data. 12104bb7efa7SGarrett D'Amore */ 12114bb7efa7SGarrett D'Amore if ((blksz < 1) || (blksz > 2048)) { 12124bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 12134bb7efa7SGarrett D'Amore return (SDA_EINVAL); 12144bb7efa7SGarrett D'Amore } 12154bb7efa7SGarrett D'Amore command |= COMMAND_DATA_PRESENT; 12164bb7efa7SGarrett D'Amore 12174bb7efa7SGarrett D'Amore ss->ss_blksz = blksz; 12184bb7efa7SGarrett D'Amore 12194bb7efa7SGarrett D'Amore /* 12204bb7efa7SGarrett D'Amore * Only SDMA for now. We can investigate ADMA2 later. 12214bb7efa7SGarrett D'Amore * (Right now we don't have ADMA2 capable hardware.) 12224bb7efa7SGarrett D'Amore */ 12234bb7efa7SGarrett D'Amore if (((ss->ss_capab & CAPAB_SDMA) != 0) && 12244bb7efa7SGarrett D'Amore (cmdp->sc_ndmac != 0)) { 12254bb7efa7SGarrett D'Amore ddi_dma_cookie_t *dmacs = cmdp->sc_dmacs; 12264bb7efa7SGarrett D'Amore 12274bb7efa7SGarrett D'Amore ASSERT(dmacs != NULL); 12284bb7efa7SGarrett D'Amore 12294bb7efa7SGarrett D'Amore ss->ss_kvaddr = NULL; 12304bb7efa7SGarrett D'Amore ss->ss_resid = 0; 12314bb7efa7SGarrett D'Amore ss->ss_dmacs = dmacs; 12324bb7efa7SGarrett D'Amore ss->ss_ndmac = cmdp->sc_ndmac - 1; 12334bb7efa7SGarrett D'Amore 12344bb7efa7SGarrett D'Amore PUT32(ss, REG_SDMA_ADDR, dmacs->dmac_address); 12354bb7efa7SGarrett D'Amore mode = XFR_MODE_DMA_EN; 12364bb7efa7SGarrett D'Amore PUT16(ss, REG_BLKSZ, blksz); 12374bb7efa7SGarrett D'Amore 12384bb7efa7SGarrett D'Amore } else { 12394bb7efa7SGarrett D'Amore ss->ss_kvaddr = (void *)cmdp->sc_kvaddr; 12404bb7efa7SGarrett D'Amore ss->ss_resid = nblks; 12414bb7efa7SGarrett D'Amore ss->ss_dmacs = NULL; 12424bb7efa7SGarrett D'Amore ss->ss_ndmac = 0; 12434bb7efa7SGarrett D'Amore mode = 0; 12444bb7efa7SGarrett D'Amore PUT16(ss, REG_BLKSZ, blksz); 12454bb7efa7SGarrett D'Amore } 12464bb7efa7SGarrett D'Amore 12474bb7efa7SGarrett D'Amore if (nblks > 1) { 12484bb7efa7SGarrett D'Amore mode |= XFR_MODE_MULTI | XFR_MODE_COUNT; 12494bb7efa7SGarrett D'Amore if (cmdp->sc_flags & SDA_CMDF_AUTO_CMD12) 12504bb7efa7SGarrett D'Amore mode |= XFR_MODE_AUTO_CMD12; 12514bb7efa7SGarrett D'Amore } 12524bb7efa7SGarrett D'Amore if ((cmdp->sc_flags & SDA_CMDF_READ) != 0) { 12534bb7efa7SGarrett D'Amore mode |= XFR_MODE_READ; 12544bb7efa7SGarrett D'Amore } 12554bb7efa7SGarrett D'Amore 12564bb7efa7SGarrett D'Amore ss->ss_mode = mode; 12574bb7efa7SGarrett D'Amore 12584bb7efa7SGarrett D'Amore PUT8(ss, REG_TIMEOUT_CONTROL, ss->ss_tmoutclk); 12594bb7efa7SGarrett D'Amore PUT16(ss, REG_BLOCK_COUNT, nblks); 12604bb7efa7SGarrett D'Amore PUT16(ss, REG_XFR_MODE, mode); 12614bb7efa7SGarrett D'Amore } 12624bb7efa7SGarrett D'Amore 12634bb7efa7SGarrett D'Amore PUT32(ss, REG_ARGUMENT, cmdp->sc_argument); 12644bb7efa7SGarrett D'Amore PUT16(ss, REG_COMMAND, command); 12654bb7efa7SGarrett D'Amore 12664bb7efa7SGarrett D'Amore rv = sdhost_wait_cmd(ss, cmdp); 12674bb7efa7SGarrett D'Amore 12684bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 12694bb7efa7SGarrett D'Amore 12704bb7efa7SGarrett D'Amore return (rv); 12714bb7efa7SGarrett D'Amore } 12724bb7efa7SGarrett D'Amore 12734bb7efa7SGarrett D'Amore sda_err_t 12744bb7efa7SGarrett D'Amore sdhost_getprop(void *arg, sda_prop_t prop, uint32_t *val) 12754bb7efa7SGarrett D'Amore { 12764bb7efa7SGarrett D'Amore sdslot_t *ss = arg; 12774bb7efa7SGarrett D'Amore sda_err_t rv = 0; 12784bb7efa7SGarrett D'Amore 12794bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 12804bb7efa7SGarrett D'Amore 12814bb7efa7SGarrett D'Amore if (ss->ss_suspended) { 12824bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 12834bb7efa7SGarrett D'Amore return (SDA_ESUSPENDED); 12844bb7efa7SGarrett D'Amore } 12854bb7efa7SGarrett D'Amore 12864bb7efa7SGarrett D'Amore switch (prop) { 12874bb7efa7SGarrett D'Amore case SDA_PROP_INSERTED: 12884bb7efa7SGarrett D'Amore if (CHECK_STATE(ss, CARD_INSERTED)) { 12894bb7efa7SGarrett D'Amore *val = B_TRUE; 12904bb7efa7SGarrett D'Amore } else { 12914bb7efa7SGarrett D'Amore *val = B_FALSE; 12924bb7efa7SGarrett D'Amore } 12934bb7efa7SGarrett D'Amore break; 12944bb7efa7SGarrett D'Amore 12954bb7efa7SGarrett D'Amore case SDA_PROP_WPROTECT: 12964bb7efa7SGarrett D'Amore if (CHECK_STATE(ss, WRITE_ENABLE)) { 12974bb7efa7SGarrett D'Amore *val = B_FALSE; 12984bb7efa7SGarrett D'Amore } else { 12994bb7efa7SGarrett D'Amore *val = B_TRUE; 13004bb7efa7SGarrett D'Amore } 13014bb7efa7SGarrett D'Amore break; 13024bb7efa7SGarrett D'Amore 13034bb7efa7SGarrett D'Amore case SDA_PROP_OCR: 13044bb7efa7SGarrett D'Amore *val = ss->ss_ocr; 13054bb7efa7SGarrett D'Amore break; 13064bb7efa7SGarrett D'Amore 13074bb7efa7SGarrett D'Amore case SDA_PROP_CLOCK: 13084bb7efa7SGarrett D'Amore *val = ss->ss_cardclk; 13094bb7efa7SGarrett D'Amore break; 13104bb7efa7SGarrett D'Amore 13114bb7efa7SGarrett D'Amore case SDA_PROP_CAP_HISPEED: 13124bb7efa7SGarrett D'Amore if ((ss->ss_capab & CAPAB_HIGH_SPEED) != 0) { 13134bb7efa7SGarrett D'Amore *val = B_TRUE; 13144bb7efa7SGarrett D'Amore } else { 13154bb7efa7SGarrett D'Amore *val = B_FALSE; 13164bb7efa7SGarrett D'Amore } 13174bb7efa7SGarrett D'Amore break; 13184bb7efa7SGarrett D'Amore 13194bb7efa7SGarrett D'Amore case SDA_PROP_CAP_4BITS: 13204bb7efa7SGarrett D'Amore *val = B_TRUE; 13214bb7efa7SGarrett D'Amore break; 13224bb7efa7SGarrett D'Amore 13234bb7efa7SGarrett D'Amore case SDA_PROP_CAP_NOPIO: 13244bb7efa7SGarrett D'Amore if ((ss->ss_capab & CAPAB_SDMA) != 0) { 13254bb7efa7SGarrett D'Amore *val = B_TRUE; 13264bb7efa7SGarrett D'Amore } else { 13274bb7efa7SGarrett D'Amore *val = B_FALSE; 13284bb7efa7SGarrett D'Amore } 13294bb7efa7SGarrett D'Amore break; 13304bb7efa7SGarrett D'Amore 13314bb7efa7SGarrett D'Amore case SDA_PROP_CAP_INTR: 13324bb7efa7SGarrett D'Amore case SDA_PROP_CAP_8BITS: 13334bb7efa7SGarrett D'Amore *val = B_FALSE; 13344bb7efa7SGarrett D'Amore break; 13354bb7efa7SGarrett D'Amore 13364bb7efa7SGarrett D'Amore default: 13374bb7efa7SGarrett D'Amore rv = SDA_ENOTSUP; 13384bb7efa7SGarrett D'Amore break; 13394bb7efa7SGarrett D'Amore } 13404bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 13414bb7efa7SGarrett D'Amore 13424bb7efa7SGarrett D'Amore return (rv); 13434bb7efa7SGarrett D'Amore } 13444bb7efa7SGarrett D'Amore 13454bb7efa7SGarrett D'Amore sda_err_t 13464bb7efa7SGarrett D'Amore sdhost_setprop(void *arg, sda_prop_t prop, uint32_t val) 13474bb7efa7SGarrett D'Amore { 13484bb7efa7SGarrett D'Amore sdslot_t *ss = arg; 13494bb7efa7SGarrett D'Amore sda_err_t rv = SDA_EOK; 13504bb7efa7SGarrett D'Amore 13514bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 13524bb7efa7SGarrett D'Amore 13534bb7efa7SGarrett D'Amore if (ss->ss_suspended) { 13544bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 13554bb7efa7SGarrett D'Amore return (SDA_ESUSPENDED); 13564bb7efa7SGarrett D'Amore } 13574bb7efa7SGarrett D'Amore 13584bb7efa7SGarrett D'Amore switch (prop) { 13594bb7efa7SGarrett D'Amore case SDA_PROP_LED: 13604bb7efa7SGarrett D'Amore if (val) { 13614bb7efa7SGarrett D'Amore SET8(ss, REG_HOST_CONTROL, HOST_CONTROL_LED_ON); 13624bb7efa7SGarrett D'Amore } else { 13634bb7efa7SGarrett D'Amore CLR8(ss, REG_HOST_CONTROL, HOST_CONTROL_LED_ON); 13644bb7efa7SGarrett D'Amore } 13654bb7efa7SGarrett D'Amore break; 13664bb7efa7SGarrett D'Amore 13674bb7efa7SGarrett D'Amore case SDA_PROP_CLOCK: 13684bb7efa7SGarrett D'Amore rv = sdhost_set_clock(arg, val); 13694bb7efa7SGarrett D'Amore break; 13704bb7efa7SGarrett D'Amore 13714bb7efa7SGarrett D'Amore case SDA_PROP_BUSWIDTH: 13724bb7efa7SGarrett D'Amore switch (val) { 13734bb7efa7SGarrett D'Amore case 1: 13744bb7efa7SGarrett D'Amore CLR8(ss, REG_HOST_CONTROL, HOST_CONTROL_DATA_WIDTH); 13754bb7efa7SGarrett D'Amore break; 13764bb7efa7SGarrett D'Amore case 4: 13774bb7efa7SGarrett D'Amore SET8(ss, REG_HOST_CONTROL, HOST_CONTROL_DATA_WIDTH); 13784bb7efa7SGarrett D'Amore break; 13794bb7efa7SGarrett D'Amore default: 13804bb7efa7SGarrett D'Amore rv = SDA_EINVAL; 13814bb7efa7SGarrett D'Amore } 13824bb7efa7SGarrett D'Amore break; 13834bb7efa7SGarrett D'Amore 13844bb7efa7SGarrett D'Amore case SDA_PROP_OCR: 13854bb7efa7SGarrett D'Amore val &= ss->ss_ocr; 13864bb7efa7SGarrett D'Amore 13874bb7efa7SGarrett D'Amore if (val & OCR_17_18V) { 13884bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, POWER_CONTROL_18V); 13894bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, POWER_CONTROL_18V | 13904bb7efa7SGarrett D'Amore POWER_CONTROL_BUS_POWER); 13914bb7efa7SGarrett D'Amore } else if (val & OCR_29_30V) { 13924bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, POWER_CONTROL_30V); 13934bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, POWER_CONTROL_30V | 13944bb7efa7SGarrett D'Amore POWER_CONTROL_BUS_POWER); 13954bb7efa7SGarrett D'Amore } else if (val & OCR_32_33V) { 13964bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, POWER_CONTROL_33V); 13974bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, POWER_CONTROL_33V | 13984bb7efa7SGarrett D'Amore POWER_CONTROL_BUS_POWER); 13994bb7efa7SGarrett D'Amore } else if (val == 0) { 14004bb7efa7SGarrett D'Amore /* turn off power */ 14014bb7efa7SGarrett D'Amore PUT8(ss, REG_POWER_CONTROL, 0); 14024bb7efa7SGarrett D'Amore } else { 14034bb7efa7SGarrett D'Amore rv = SDA_EINVAL; 14044bb7efa7SGarrett D'Amore } 14054bb7efa7SGarrett D'Amore break; 14064bb7efa7SGarrett D'Amore 14074bb7efa7SGarrett D'Amore case SDA_PROP_HISPEED: 14084bb7efa7SGarrett D'Amore if (val) { 14094bb7efa7SGarrett D'Amore SET8(ss, REG_HOST_CONTROL, HOST_CONTROL_HIGH_SPEED_EN); 14104bb7efa7SGarrett D'Amore } else { 14114bb7efa7SGarrett D'Amore CLR8(ss, REG_HOST_CONTROL, HOST_CONTROL_HIGH_SPEED_EN); 14124bb7efa7SGarrett D'Amore } 14134bb7efa7SGarrett D'Amore /* give clocks time to settle */ 14144bb7efa7SGarrett D'Amore drv_usecwait(10); 14154bb7efa7SGarrett D'Amore break; 14164bb7efa7SGarrett D'Amore 14174bb7efa7SGarrett D'Amore default: 14184bb7efa7SGarrett D'Amore rv = SDA_ENOTSUP; 14194bb7efa7SGarrett D'Amore break; 14204bb7efa7SGarrett D'Amore } 14214bb7efa7SGarrett D'Amore 14224bb7efa7SGarrett D'Amore /* 14234bb7efa7SGarrett D'Amore * Apparently some controllers (ENE) have issues with changing 14244bb7efa7SGarrett D'Amore * certain parameters (bus width seems to be one), requiring 14254bb7efa7SGarrett D'Amore * a reset of the DAT and CMD lines. 14264bb7efa7SGarrett D'Amore */ 14274bb7efa7SGarrett D'Amore if (rv == SDA_EOK) { 14284bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_CMD); 14294bb7efa7SGarrett D'Amore (void) sdhost_soft_reset(ss, SOFT_RESET_DAT); 14304bb7efa7SGarrett D'Amore } 14314bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 14324bb7efa7SGarrett D'Amore return (rv); 14334bb7efa7SGarrett D'Amore } 14344bb7efa7SGarrett D'Amore 14354bb7efa7SGarrett D'Amore sda_err_t 14364bb7efa7SGarrett D'Amore sdhost_reset(void *arg) 14374bb7efa7SGarrett D'Amore { 14384bb7efa7SGarrett D'Amore sdslot_t *ss = arg; 14394bb7efa7SGarrett D'Amore 14404bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 14414bb7efa7SGarrett D'Amore if (!ss->ss_suspended) { 14424bb7efa7SGarrett D'Amore if (sdhost_soft_reset(ss, SOFT_RESET_ALL) != SDA_EOK) { 14434bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 14444bb7efa7SGarrett D'Amore return (SDA_ETIME); 14454bb7efa7SGarrett D'Amore } 14464bb7efa7SGarrett D'Amore sdhost_enable_interrupts(ss); 14474bb7efa7SGarrett D'Amore } 14484bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 14494bb7efa7SGarrett D'Amore return (SDA_EOK); 14504bb7efa7SGarrett D'Amore } 14514bb7efa7SGarrett D'Amore 14524bb7efa7SGarrett D'Amore sda_err_t 14534bb7efa7SGarrett D'Amore sdhost_halt(void *arg) 14544bb7efa7SGarrett D'Amore { 14554bb7efa7SGarrett D'Amore sdslot_t *ss = arg; 14564bb7efa7SGarrett D'Amore 14574bb7efa7SGarrett D'Amore mutex_enter(&ss->ss_lock); 14584bb7efa7SGarrett D'Amore if (!ss->ss_suspended) { 14594bb7efa7SGarrett D'Amore sdhost_disable_interrupts(ss); 14604bb7efa7SGarrett D'Amore /* this has the side effect of removing power from the card */ 14614bb7efa7SGarrett D'Amore if (sdhost_soft_reset(ss, SOFT_RESET_ALL) != SDA_EOK) { 14624bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 14634bb7efa7SGarrett D'Amore return (SDA_ETIME); 14644bb7efa7SGarrett D'Amore } 14654bb7efa7SGarrett D'Amore } 14664bb7efa7SGarrett D'Amore mutex_exit(&ss->ss_lock); 14674bb7efa7SGarrett D'Amore return (SDA_EOK); 14684bb7efa7SGarrett D'Amore } 1469