| 1 | /* $NetBSD: w83l518d.c,v 1.2 2010/08/19 14:58:22 jmcneill 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 1.2 2010/08/19 14:58:22 jmcneill 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/isa/isavar.h> |
| 43 | #include <dev/isa/isadmavar.h> |
| 44 | |
| 45 | #include <dev/ic/w83l518dreg.h> |
| 46 | #include <dev/ic/w83l518dvar.h> |
| 47 | #include <dev/ic/w83l518d_sdmmc.h> |
| 48 | |
| 49 | uint8_t |
| 50 | wb_idx_read(struct wb_softc *wb, uint8_t reg) |
| 51 | { |
| 52 | bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg); |
| 53 | return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA); |
| 54 | } |
| 55 | |
| 56 | void |
| 57 | wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val) |
| 58 | { |
| 59 | bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg); |
| 60 | bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val); |
| 61 | } |
| 62 | |
| 63 | uint8_t |
| 64 | wb_read(struct wb_softc *wb, uint8_t reg) |
| 65 | { |
| 66 | return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg); |
| 67 | } |
| 68 | |
| 69 | void |
| 70 | wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val) |
| 71 | { |
| 72 | bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val); |
| 73 | } |
| 74 | |
| 75 | void |
| 76 | wb_led(struct wb_softc *wb, bool enable) |
| 77 | { |
| 78 | uint8_t val; |
| 79 | |
| 80 | val = wb_read(wb, WB_SD_CSR); |
| 81 | if (enable) |
| 82 | val |= WB_CSR_MS_LED; |
| 83 | else |
| 84 | val &= ~WB_CSR_MS_LED; |
| 85 | wb_write(wb, WB_SD_CSR, val); |
| 86 | } |
| 87 | |
| 88 | void |
| 89 | wb_attach(struct wb_softc *wb) |
| 90 | { |
| 91 | switch (wb->wb_type) { |
| 92 | case WB_DEVNO_SD: |
| 93 | aprint_verbose_dev(wb->wb_dev, |
| 94 | "SD/MMC Reader\n" ); |
| 95 | wb_sdmmc_attach(wb); |
| 96 | break; |
| 97 | case WB_DEVNO_MS: |
| 98 | aprint_verbose_dev(wb->wb_dev, |
| 99 | "Memory Stick Reader (not supported)\n" ); |
| 100 | break; |
| 101 | case WB_DEVNO_SC: |
| 102 | aprint_verbose_dev(wb->wb_dev, |
| 103 | "Smart Card Reader (not supported)\n" ); |
| 104 | break; |
| 105 | case WB_DEVNO_GPIO: |
| 106 | aprint_verbose_dev(wb->wb_dev, |
| 107 | "GPIO (not supported)\n" ); |
| 108 | break; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | int |
| 113 | wb_detach(struct wb_softc *wb, int flags) |
| 114 | { |
| 115 | switch (wb->wb_type) { |
| 116 | case WB_DEVNO_SD: |
| 117 | wb_sdmmc_detach(wb, flags); |
| 118 | break; |
| 119 | } |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | /* |
| 125 | * intr handler |
| 126 | */ |
| 127 | int |
| 128 | wb_intr(void *opaque) |
| 129 | { |
| 130 | struct wb_softc *wb = opaque; |
| 131 | |
| 132 | switch (wb->wb_type) { |
| 133 | case WB_DEVNO_SD: |
| 134 | return wb_sdmmc_intr(wb); |
| 135 | break; |
| 136 | } |
| 137 | |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | /* |
| 142 | * pmf |
| 143 | */ |
| 144 | bool |
| 145 | wb_suspend(struct wb_softc *wb) |
| 146 | { |
| 147 | if (wb->wb_type == WB_DEVNO_SD) |
| 148 | return wb_sdmmc_suspend(wb); |
| 149 | |
| 150 | return false; |
| 151 | } |
| 152 | |
| 153 | bool |
| 154 | wb_resume(struct wb_softc *wb) |
| 155 | { |
| 156 | if (wb->wb_type == WB_DEVNO_SD) |
| 157 | return wb_sdmmc_resume(wb); |
| 158 | |
| 159 | return false; |
| 160 | } |
| 161 | |