ac100.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: ac100.c,v 1.1.2.2 2015/04/06 15:18:09 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /*- 4 1.1.2.2 skrll * Copyright (c) 2014 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 27 1.1.2.2 skrll */ 28 1.1.2.2 skrll 29 1.1.2.2 skrll #include <sys/cdefs.h> 30 1.1.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: ac100.c,v 1.1.2.2 2015/04/06 15:18:09 skrll Exp $"); 31 1.1.2.2 skrll 32 1.1.2.2 skrll #include <sys/param.h> 33 1.1.2.2 skrll #include <sys/systm.h> 34 1.1.2.2 skrll #include <sys/kernel.h> 35 1.1.2.2 skrll #include <sys/device.h> 36 1.1.2.2 skrll #include <sys/conf.h> 37 1.1.2.2 skrll #include <sys/bus.h> 38 1.1.2.2 skrll #include <sys/kmem.h> 39 1.1.2.2 skrll 40 1.1.2.2 skrll #include <dev/clock_subr.h> 41 1.1.2.2 skrll 42 1.1.2.2 skrll #include <dev/i2c/i2cvar.h> 43 1.1.2.2 skrll 44 1.1.2.2 skrll #define AC100_CHIP_AUDIO_RST_REG 0x00 45 1.1.2.2 skrll #define AC100_PLL_CTRL1_REG 0x02 46 1.1.2.2 skrll #define AC100_PLL_CTRL2_REG 0x03 47 1.1.2.2 skrll #define AC100_SYSCLK_CTRL_REG 0x04 48 1.1.2.2 skrll #define AC100_MOD_RST_CTRL_REG 0x05 49 1.1.2.2 skrll #define AC100_ADDA_SR_CTRL_REG 0x06 50 1.1.2.2 skrll #define AC100_I2S1_LCK_CTRL_REG 0x10 51 1.1.2.2 skrll #define AC100_I2S1_SDIN_CTRL_REG 0x11 52 1.1.2.2 skrll #define AC100_I2S1_SDOUT_CTRL_REG 0x12 53 1.1.2.2 skrll #define AC100_I2S1_DIG_MIXER_REG 0x13 54 1.1.2.2 skrll #define AC100_I2S1_VOL_CTRL1_REG 0x14 55 1.1.2.2 skrll #define AC100_I2S1_VOL_CTRL2_REG 0x15 56 1.1.2.2 skrll #define AC100_I2S1_VOL_CTRL3_REG 0x16 57 1.1.2.2 skrll #define AC100_I2S1_VOL_CTRL4_REG 0x17 58 1.1.2.2 skrll #define AC100_I2S1_MXR_GAIN_REG 0x18 59 1.1.2.2 skrll #define AC100_I2S2_CLK_CTRL_REG 0x20 60 1.1.2.2 skrll #define AC100_I2S2_SDIN_CTRL_REG 0x21 61 1.1.2.2 skrll #define AC100_I2S2_SDOUT_CTRL_REG 0x22 62 1.1.2.2 skrll #define AC100_I2S2_DIG_MIXER_REG 0x23 63 1.1.2.2 skrll #define AC100_I2S2_VOL_CTRL1_REG 0x24 64 1.1.2.2 skrll #define AC100_I2S2_VOL_CTRL2_REG 0x26 65 1.1.2.2 skrll #define AC100_I2S2_MXR_GAIN_REG 0x28 66 1.1.2.2 skrll #define AC100_I2S3_CLK_CTRL_REG 0x30 67 1.1.2.2 skrll #define AC100_I2S3_SDIN_CTRL_REG 0x31 68 1.1.2.2 skrll #define AC100_I2S3_SDOUT_CTRL_REG 0x32 69 1.1.2.2 skrll #define AC100_I2S3_SGP_CTRL_REG 0x33 70 1.1.2.2 skrll #define AC100_ADC_DIG_CTRL_REG 0x40 71 1.1.2.2 skrll 72 1.1.2.2 skrll #define AC100_RTC_RESET_REG 0xc6 73 1.1.2.2 skrll #define AC100_RTC_CTRL_REG 0xc7 74 1.1.2.2 skrll #define AC100_RTC_SEC_REG 0xc8 75 1.1.2.2 skrll #define AC100_RTC_MIN_REG 0xc9 76 1.1.2.2 skrll #define AC100_RTC_HOU_REG 0xca 77 1.1.2.2 skrll #define AC100_RTC_WEE_REG 0xcb 78 1.1.2.2 skrll #define AC100_RTC_DAY_REG 0xcc 79 1.1.2.2 skrll #define AC100_RTC_MON_REG 0xcd 80 1.1.2.2 skrll #define AC100_RTC_YEA_REG 0xce 81 1.1.2.2 skrll #define AC100_RTC_UPD_TRIG_REG 0xcf 82 1.1.2.2 skrll 83 1.1.2.2 skrll #define AC100_RTC_GP_REG(n) (0xe0 + (n)) 84 1.1.2.2 skrll 85 1.1.2.2 skrll #define AC100_RTC_CTRL_12H_24H_MODE __BIT(0) 86 1.1.2.2 skrll 87 1.1.2.2 skrll #define AC100_RTC_UPD_TRIG_WRITE __BIT(15) 88 1.1.2.2 skrll 89 1.1.2.2 skrll struct ac100_softc { 90 1.1.2.2 skrll device_t sc_dev; 91 1.1.2.2 skrll i2c_tag_t sc_i2c; 92 1.1.2.2 skrll i2c_addr_t sc_addr; 93 1.1.2.2 skrll 94 1.1.2.2 skrll struct todr_chip_handle sc_todr; 95 1.1.2.2 skrll }; 96 1.1.2.2 skrll 97 1.1.2.2 skrll static int ac100_match(device_t, cfdata_t, void *); 98 1.1.2.2 skrll static void ac100_attach(device_t, device_t, void *); 99 1.1.2.2 skrll 100 1.1.2.2 skrll static int ac100_rtc_gettime(todr_chip_handle_t, struct clock_ymdhms *); 101 1.1.2.2 skrll static int ac100_rtc_settime(todr_chip_handle_t, struct clock_ymdhms *); 102 1.1.2.2 skrll 103 1.1.2.2 skrll static int ac100_read(struct ac100_softc *, uint8_t, uint16_t *); 104 1.1.2.2 skrll static int ac100_write(struct ac100_softc *, uint8_t, uint16_t); 105 1.1.2.2 skrll 106 1.1.2.2 skrll CFATTACH_DECL_NEW(ac100ic, sizeof(struct ac100_softc), 107 1.1.2.2 skrll ac100_match, ac100_attach, NULL, NULL); 108 1.1.2.2 skrll 109 1.1.2.2 skrll static int 110 1.1.2.2 skrll ac100_match(device_t parent, cfdata_t match, void *aux) 111 1.1.2.2 skrll { 112 1.1.2.2 skrll return 1; 113 1.1.2.2 skrll } 114 1.1.2.2 skrll 115 1.1.2.2 skrll static void 116 1.1.2.2 skrll ac100_attach(device_t parent, device_t self, void *aux) 117 1.1.2.2 skrll { 118 1.1.2.2 skrll struct ac100_softc *sc = device_private(self); 119 1.1.2.2 skrll struct i2c_attach_args *ia = aux; 120 1.1.2.2 skrll 121 1.1.2.2 skrll sc->sc_dev = self; 122 1.1.2.2 skrll sc->sc_i2c = ia->ia_tag; 123 1.1.2.2 skrll sc->sc_addr = ia->ia_addr; 124 1.1.2.2 skrll 125 1.1.2.2 skrll aprint_naive("\n"); 126 1.1.2.2 skrll aprint_normal(": CODEC/RTC\n"); 127 1.1.2.2 skrll 128 1.1.2.2 skrll iic_acquire_bus(sc->sc_i2c, 0); 129 1.1.2.2 skrll ac100_write(sc, AC100_RTC_CTRL_REG, AC100_RTC_CTRL_12H_24H_MODE); 130 1.1.2.2 skrll iic_release_bus(sc->sc_i2c, 0); 131 1.1.2.2 skrll 132 1.1.2.2 skrll sc->sc_todr.todr_gettime_ymdhms = ac100_rtc_gettime; 133 1.1.2.2 skrll sc->sc_todr.todr_settime_ymdhms = ac100_rtc_settime; 134 1.1.2.2 skrll sc->sc_todr.cookie = sc; 135 1.1.2.2 skrll todr_attach(&sc->sc_todr); 136 1.1.2.2 skrll } 137 1.1.2.2 skrll 138 1.1.2.2 skrll static int 139 1.1.2.2 skrll ac100_read(struct ac100_softc *sc, uint8_t reg, uint16_t *val) 140 1.1.2.2 skrll { 141 1.1.2.2 skrll return iic_smbus_read_word(sc->sc_i2c, sc->sc_addr, reg, val, 142 1.1.2.2 skrll cold ? I2C_F_POLL : 0); 143 1.1.2.2 skrll } 144 1.1.2.2 skrll 145 1.1.2.2 skrll static int 146 1.1.2.2 skrll ac100_write(struct ac100_softc *sc, uint8_t reg, uint16_t val) 147 1.1.2.2 skrll { 148 1.1.2.2 skrll return iic_smbus_write_word(sc->sc_i2c, sc->sc_addr, reg, val, 149 1.1.2.2 skrll cold ? I2C_F_POLL : 0); 150 1.1.2.2 skrll } 151 1.1.2.2 skrll 152 1.1.2.2 skrll static int 153 1.1.2.2 skrll ac100_rtc_gettime(todr_chip_handle_t tch, struct clock_ymdhms *dt) 154 1.1.2.2 skrll { 155 1.1.2.2 skrll struct ac100_softc *sc = tch->cookie; 156 1.1.2.2 skrll uint16_t sec, min, hou, wee, day, mon, yea; 157 1.1.2.2 skrll 158 1.1.2.2 skrll iic_acquire_bus(sc->sc_i2c, 0); 159 1.1.2.2 skrll ac100_read(sc, AC100_RTC_SEC_REG, &sec); 160 1.1.2.2 skrll ac100_read(sc, AC100_RTC_MIN_REG, &min); 161 1.1.2.2 skrll ac100_read(sc, AC100_RTC_HOU_REG, &hou); 162 1.1.2.2 skrll ac100_read(sc, AC100_RTC_WEE_REG, &wee); 163 1.1.2.2 skrll ac100_read(sc, AC100_RTC_DAY_REG, &day); 164 1.1.2.2 skrll ac100_read(sc, AC100_RTC_MON_REG, &mon); 165 1.1.2.2 skrll ac100_read(sc, AC100_RTC_YEA_REG, &yea); 166 1.1.2.2 skrll iic_release_bus(sc->sc_i2c, 0); 167 1.1.2.2 skrll 168 1.1.2.2 skrll dt->dt_year = POSIX_BASE_YEAR + bcdtobin(yea & 0xff); 169 1.1.2.2 skrll dt->dt_mon = bcdtobin(mon & 0x1f); 170 1.1.2.2 skrll dt->dt_day = bcdtobin(day & 0x3f); 171 1.1.2.2 skrll dt->dt_wday = bcdtobin(wee & 0x7); 172 1.1.2.2 skrll dt->dt_hour = bcdtobin(hou & 0x3f); 173 1.1.2.2 skrll dt->dt_min = bcdtobin(min & 0x7f); 174 1.1.2.2 skrll dt->dt_sec = bcdtobin(sec & 0x7f); 175 1.1.2.2 skrll 176 1.1.2.2 skrll return 0; 177 1.1.2.2 skrll } 178 1.1.2.2 skrll 179 1.1.2.2 skrll static int 180 1.1.2.2 skrll ac100_rtc_settime(todr_chip_handle_t tch, struct clock_ymdhms *dt) 181 1.1.2.2 skrll { 182 1.1.2.2 skrll struct ac100_softc *sc = tch->cookie; 183 1.1.2.2 skrll 184 1.1.2.2 skrll iic_acquire_bus(sc->sc_i2c, 0); 185 1.1.2.2 skrll ac100_write(sc, AC100_RTC_SEC_REG, bintobcd(dt->dt_sec) & 0x7f); 186 1.1.2.2 skrll ac100_write(sc, AC100_RTC_MIN_REG, bintobcd(dt->dt_min) & 0x7f); 187 1.1.2.2 skrll ac100_write(sc, AC100_RTC_HOU_REG, bintobcd(dt->dt_hour) & 0x3f); 188 1.1.2.2 skrll ac100_write(sc, AC100_RTC_WEE_REG, bintobcd(dt->dt_wday) & 0x7); 189 1.1.2.2 skrll ac100_write(sc, AC100_RTC_DAY_REG, bintobcd(dt->dt_day) & 0x3f); 190 1.1.2.2 skrll ac100_write(sc, AC100_RTC_MON_REG, bintobcd(dt->dt_mon) & 0x1f); 191 1.1.2.2 skrll ac100_write(sc, AC100_RTC_YEA_REG, 192 1.1.2.2 skrll bintobcd(dt->dt_year - POSIX_BASE_YEAR) & 0xff); 193 1.1.2.2 skrll ac100_write(sc, AC100_RTC_UPD_TRIG_REG, AC100_RTC_UPD_TRIG_WRITE); 194 1.1.2.2 skrll iic_release_bus(sc->sc_i2c, 0); 195 1.1.2.2 skrll 196 1.1.2.2 skrll return 0; 197 1.1.2.2 skrll } 198
Indexes created Fri Oct 03 17:10:05 GMT 2025