| 1 | /* $NetBSD: auvitek_board.c,v 1.3 2011/07/09 15:00:44 jmcneill Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2010 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. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | /* |
| 30 | * Auvitek AU0828 USB controller - board specific initialization |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: auvitek_board.c,v 1.3 2011/07/09 15:00:44 jmcneill Exp $" ); |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/device.h> |
| 39 | #include <sys/conf.h> |
| 40 | #include <sys/bus.h> |
| 41 | #include <sys/module.h> |
| 42 | |
| 43 | #include <dev/usb/usb.h> |
| 44 | #include <dev/usb/usbdi.h> |
| 45 | #include <dev/usb/usbdi_util.h> |
| 46 | #include <dev/usb/usbdevs.h> |
| 47 | |
| 48 | #include <dev/usb/auvitekreg.h> |
| 49 | #include <dev/usb/auvitekvar.h> |
| 50 | |
| 51 | static const struct auvitek_board_config { |
| 52 | uint16_t reset; |
| 53 | uint16_t enable; |
| 54 | uint8_t clkdiv; |
| 55 | } auvitek_board_config[] = { |
| 56 | [AUVITEK_BOARD_HVR_850] = { |
| 57 | .reset = 0x02b0, |
| 58 | .enable = 0x02f0, |
| 59 | .clkdiv = AU0828_I2C_CLKDIV_30, |
| 60 | }, |
| 61 | [AUVITEK_BOARD_HVR_950Q] = { |
| 62 | .reset = 0x02b0, |
| 63 | .enable = 0x02f0, |
| 64 | .clkdiv = AU0828_I2C_CLKDIV_30, |
| 65 | }, |
| 66 | }; |
| 67 | |
| 68 | void |
| 69 | auvitek_board_init(struct auvitek_softc *sc) |
| 70 | { |
| 71 | uint16_t reset, enable; |
| 72 | |
| 73 | /* power up device */ |
| 74 | auvitek_write_1(sc, AU0828_REG_POWER_CTL, AU0828_POWER_EN); |
| 75 | |
| 76 | reset = auvitek_board_config[sc->sc_board].reset; |
| 77 | enable = auvitek_board_config[sc->sc_board].enable; |
| 78 | |
| 79 | /* stash i2c clock divider in softc */ |
| 80 | sc->sc_i2c_clkdiv = auvitek_board_config[sc->sc_board].clkdiv; |
| 81 | |
| 82 | /* configure gpio, if requested */ |
| 83 | if (reset) { |
| 84 | auvitek_write_1(sc, AU0828_REG_GPIO2_PINDIR, reset >> 8); |
| 85 | auvitek_write_1(sc, AU0828_REG_GPIO1_PINDIR, reset & 0xff); |
| 86 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, 0); |
| 87 | auvitek_write_1(sc, AU0828_REG_GPIO1_OUTEN, 0); |
| 88 | delay(100000); |
| 89 | } |
| 90 | if (enable) { |
| 91 | auvitek_write_1(sc, AU0828_REG_GPIO2_PINDIR, enable >> 8); |
| 92 | auvitek_write_1(sc, AU0828_REG_GPIO1_PINDIR, enable & 0xff); |
| 93 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, enable >> 8); |
| 94 | auvitek_write_1(sc, AU0828_REG_GPIO1_OUTEN, enable & 0xff); |
| 95 | delay(250000); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | int |
| 100 | auvitek_board_tuner_reset(void *priv) |
| 101 | { |
| 102 | struct auvitek_softc *sc = priv; |
| 103 | uint8_t val; |
| 104 | |
| 105 | switch (sc->sc_board) { |
| 106 | case AUVITEK_BOARD_HVR_850: |
| 107 | case AUVITEK_BOARD_HVR_950Q: |
| 108 | val = auvitek_read_1(sc, AU0828_REG_GPIO2_OUTEN); |
| 109 | val &= ~2; |
| 110 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, val); |
| 111 | delay(10000); |
| 112 | val = auvitek_read_1(sc, AU0828_REG_GPIO2_OUTEN); |
| 113 | val |= 2; |
| 114 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, val); |
| 115 | delay(10000); |
| 116 | break; |
| 117 | } |
| 118 | |
| 119 | return 0; |
| 120 | } |
| 121 | |
| 122 | unsigned int |
| 123 | auvitek_board_get_if_frequency(struct auvitek_softc *sc) |
| 124 | { |
| 125 | return 6000000; /* 6MHz */ |
| 126 | } |
| 127 | |