127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/* $NetBSD: auvitek_board.c,v 1.3 2011/07/09 15:00:44 jmcneill Exp $ */
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/*-
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* Copyright (c) 2010 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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Auvitek AU0828 USB controller - board specific initialization
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: auvitek_board.c,v 1.3 2011/07/09 15:00:44 jmcneill Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/auvitekreg.h>
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#include <dev/usb/auvitekvar.h>
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static const struct auvitek_board_config {
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uint16_t reset;
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uint16_t enable;
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uint8_t clkdiv;
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} auvitek_board_config[] = {
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[AUVITEK_BOARD_HVR_850] = {
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.reset = 0x02b0,
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.enable = 0x02f0,
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.clkdiv = AU0828_I2C_CLKDIV_30,
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},
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[AUVITEK_BOARD_HVR_950Q] = {
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.reset = 0x02b0,
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.enable = 0x02f0,
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.clkdiv = AU0828_I2C_CLKDIV_30,
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},
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};
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void
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auvitek_board_init(struct auvitek_softc *sc)
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{
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uint16_t reset, enable;
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/* power up device */
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auvitek_write_1(sc, AU0828_REG_POWER_CTL, AU0828_POWER_EN);
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reset = auvitek_board_config[sc->sc_board].reset;
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enable = auvitek_board_config[sc->sc_board].enable;
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/* stash i2c clock divider in softc */
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sc->sc_i2c_clkdiv = auvitek_board_config[sc->sc_board].clkdiv;
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/* configure gpio, if requested */
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if (reset) {
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auvitek_write_1(sc, AU0828_REG_GPIO2_PINDIR, reset >> 8);
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auvitek_write_1(sc, AU0828_REG_GPIO1_PINDIR, reset & 0xff);
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auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, 0);
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auvitek_write_1(sc, AU0828_REG_GPIO1_OUTEN, 0);
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delay(100000);
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}
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if (enable) {
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auvitek_write_1(sc, AU0828_REG_GPIO2_PINDIR, enable >> 8);
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auvitek_write_1(sc, AU0828_REG_GPIO1_PINDIR, enable & 0xff);
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auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, enable >> 8);
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auvitek_write_1(sc, AU0828_REG_GPIO1_OUTEN, enable & 0xff);
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delay(250000);
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}
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}
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int
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auvitek_board_tuner_reset(void *priv)
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{
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struct auvitek_softc *sc = priv;
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uint8_t val;
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switch (sc->sc_board) {
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case AUVITEK_BOARD_HVR_850:
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case AUVITEK_BOARD_HVR_950Q:
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val = auvitek_read_1(sc, AU0828_REG_GPIO2_OUTEN);
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val &= ~2;
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auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, val);
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delay(10000);
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val = auvitek_read_1(sc, AU0828_REG_GPIO2_OUTEN);
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val |= 2;
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auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, val);
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delay(10000);
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break;
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}
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return 0;
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}
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unsigned int
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auvitek_board_get_if_frequency(struct auvitek_softc *sc)
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{
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return 6000000; /* 6MHz */
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}
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