1/* $NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc Exp $ */ 2 3/* 4 * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__KERNEL_RCSID(0, "$NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc Exp $"); 30 31#include <sys/param.h> 32#include <sys/kernel.h> 33#include <sys/systm.h> 34#include <sys/errno.h> 35#include <sys/ioctl.h> 36#include <sys/syslog.h> 37#include <sys/device.h> 38#include <sys/proc.h> 39 40#include <sys/bus.h> 41 42#include <dev/ic/w83l518dreg.h> 43#include <dev/ic/w83l518dvar.h> 44#include <dev/ic/w83l518d_sdmmc.h> 45 46uint8_t 47wb_idx_read(struct wb_softc *wb, uint8_t reg) 48{ 49 bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg); 50 return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA); 51} 52 53void 54wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val) 55{ 56 bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg); 57 bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val); 58} 59 60uint8_t 61wb_read(struct wb_softc *wb, uint8_t reg) 62{ 63 return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg); 64} 65 66void 67wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val) 68{ 69 bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val); 70} 71 72void 73wb_led(struct wb_softc *wb, bool enable) 74{ 75 uint8_t val; 76 77 val = wb_read(wb, WB_SD_CSR); 78 if (enable) 79 val |= WB_CSR_MS_LED; 80 else 81 val &= ~WB_CSR_MS_LED; 82 wb_write(wb, WB_SD_CSR, val); 83} 84 85void 86wb_attach(struct wb_softc *wb) 87{ 88 switch (wb->wb_type) { 89 case WB_DEVNO_SD: 90 aprint_verbose_dev(wb->wb_dev, 91 "SD/MMC Reader\n"); 92 wb_sdmmc_attach(wb); 93 break; 94 case WB_DEVNO_MS: 95 aprint_verbose_dev(wb->wb_dev, 96 "Memory Stick Reader (not supported)\n"); 97 break; 98 case WB_DEVNO_SC: 99 aprint_verbose_dev(wb->wb_dev, 100 "Smart Card Reader (not supported)\n"); 101 break; 102 case WB_DEVNO_GPIO: 103 aprint_verbose_dev(wb->wb_dev, 104 "GPIO (not supported)\n"); 105 break; 106 } 107} 108 109int 110wb_detach(struct wb_softc *wb, int flags) 111{ 112 switch (wb->wb_type) { 113 case WB_DEVNO_SD: 114 wb_sdmmc_detach(wb, flags); 115 break; 116 } 117 118 return 0; 119} 120 121/* 122 * intr handler 123 */ 124int 125wb_intr(void *opaque) 126{ 127 struct wb_softc *wb = opaque; 128 129 switch (wb->wb_type) { 130 case WB_DEVNO_SD: 131 return wb_sdmmc_intr(wb); 132 break; 133 } 134 135 return 0; 136} 137 138/* 139 * pmf 140 */ 141bool 142wb_suspend(struct wb_softc *wb) 143{ 144 if (wb->wb_type == WB_DEVNO_SD) 145 return wb_sdmmc_suspend(wb); 146 147 return false; 148} 149 150bool 151wb_resume(struct wb_softc *wb) 152{ 153 if (wb->wb_type == WB_DEVNO_SD) 154 return wb_sdmmc_resume(wb); 155 156 return false; 157} 158