158 lines
3.5 KiB
C
158 lines
3.5 KiB
C
/* $NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc Exp $ */
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/*
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* Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: w83l518d.c,v 1.3 2020/05/11 14:55:20 jdc Exp $");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/bus.h>
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#include <dev/ic/w83l518dreg.h>
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#include <dev/ic/w83l518dvar.h>
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#include <dev/ic/w83l518d_sdmmc.h>
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uint8_t
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wb_idx_read(struct wb_softc *wb, uint8_t reg)
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{
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bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
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return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
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}
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void
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wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
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{
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bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
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bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
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}
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uint8_t
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wb_read(struct wb_softc *wb, uint8_t reg)
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{
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return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
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}
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void
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wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
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{
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bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
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}
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void
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wb_led(struct wb_softc *wb, bool enable)
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{
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uint8_t val;
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val = wb_read(wb, WB_SD_CSR);
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if (enable)
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val |= WB_CSR_MS_LED;
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else
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val &= ~WB_CSR_MS_LED;
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wb_write(wb, WB_SD_CSR, val);
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}
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void
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wb_attach(struct wb_softc *wb)
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{
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switch (wb->wb_type) {
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case WB_DEVNO_SD:
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aprint_verbose_dev(wb->wb_dev,
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"SD/MMC Reader\n");
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wb_sdmmc_attach(wb);
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break;
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case WB_DEVNO_MS:
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aprint_verbose_dev(wb->wb_dev,
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"Memory Stick Reader (not supported)\n");
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break;
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case WB_DEVNO_SC:
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aprint_verbose_dev(wb->wb_dev,
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"Smart Card Reader (not supported)\n");
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break;
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case WB_DEVNO_GPIO:
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aprint_verbose_dev(wb->wb_dev,
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"GPIO (not supported)\n");
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break;
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}
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}
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int
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wb_detach(struct wb_softc *wb, int flags)
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{
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switch (wb->wb_type) {
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case WB_DEVNO_SD:
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wb_sdmmc_detach(wb, flags);
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break;
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}
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return 0;
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}
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/*
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* intr handler
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*/
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int
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wb_intr(void *opaque)
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{
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struct wb_softc *wb = opaque;
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switch (wb->wb_type) {
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case WB_DEVNO_SD:
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return wb_sdmmc_intr(wb);
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break;
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}
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return 0;
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}
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/*
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* pmf
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*/
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bool
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wb_suspend(struct wb_softc *wb)
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{
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if (wb->wb_type == WB_DEVNO_SD)
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return wb_sdmmc_suspend(wb);
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return false;
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}
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bool
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wb_resume(struct wb_softc *wb)
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{
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if (wb->wb_type == WB_DEVNO_SD)
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return wb_sdmmc_resume(wb);
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return false;
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}
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