1 /* $NetBSD: sun4i_a10_codec.c,v 1.3 2019/05/08 13:40:14 isaki Exp $ */ 2 3 /*- 4 * Copyright (c) 2014-2017 Jared McNeill <jmcneill (at) 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: sun4i_a10_codec.c,v 1.3 2019/05/08 13:40:14 isaki Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/bus.h> 34 #include <sys/cpu.h> 35 #include <sys/device.h> 36 #include <sys/kmem.h> 37 #include <sys/bitops.h> 38 39 #include <sys/audioio.h> 40 #include <dev/audio/audio_if.h> 41 42 #include <arm/sunxi/sunxi_codec.h> 43 44 #define A10_DEFAULT_PAVOL 0x20 45 46 #define A10_DAC_ACTRL 0x10 47 #define A10_DACAREN __BIT(31) 48 #define A10_DACALEN __BIT(30) 49 #define A10_MIXEN __BIT(29) 50 #define A10_LNG __BIT(26) 51 #define A10_FMG __BITS(25,23) 52 #define A10_MICG __BITS(22,20) 53 #define A10_LLNS __BIT(19) 54 #define A10_RLNS __BIT(18) 55 #define A10_LFMS __BIT(17) 56 #define A10_RFMS __BIT(16) 57 #define A10_LDACLMIXS __BIT(15) 58 #define A10_RDACRMIXS __BIT(14) 59 #define A10_LDACRMIXS __BIT(13) 60 #define A10_MICLS __BIT(12) 61 #define A10_MICRS __BIT(11) 62 #define A10_DACPAS __BIT(8) 63 #define A10_MIXPAS __BIT(7) 64 #define A10_PAMUTE __BIT(6) 65 #define A10_PAVOL __BITS(5,0) 66 67 #define A10_ADC_ACTRL 0x28 68 #define A10_ADCREN __BIT(31) 69 #define A10_ADCLEN __BIT(30) 70 #define A10_PREG1EN __BIT(29) 71 #define A10_PREG2EN __BIT(28) 72 #define A10_VMICEN __BIT(27) 73 #define A10_PREG1 __BITS(26,25) 74 #define A10_PREG2 __BITS(24,23) 75 #define A10_ADCG __BITS(22,20) 76 #define A10_ADCIS __BITS(19,17) 77 #define A10_LNRDF __BIT(16) 78 #define A10_LNPREG __BITS(15,13) 79 #define A10_MIC1NEN __BIT(12) 80 #define A10_DITHER __BIT(8) 81 #define A10_PA_EN __BIT(4) 82 #define A10_DDE __BIT(3) 83 #define A10_COMPTEN __BIT(2) 84 #define A10_PTDBS __BITS(1,0) 85 86 enum a10_codec_mixer_ctrl { 87 A10_CODEC_OUTPUT_CLASS, 88 A10_CODEC_INPUT_CLASS, 89 90 A10_CODEC_OUTPUT_MASTER_VOLUME, 91 A10_CODEC_INPUT_DAC_VOLUME, 92 93 A10_CODEC_MIXER_CTRL_LAST 94 }; 95 96 static const struct a10_codec_mixer { 97 const char * name; 98 enum a10_codec_mixer_ctrl mixer_class; 99 u_int reg; 100 u_int mask; 101 } a10_codec_mixers[A10_CODEC_MIXER_CTRL_LAST] = { 102 [A10_CODEC_OUTPUT_MASTER_VOLUME] = { AudioNmaster, 103 A10_CODEC_OUTPUT_CLASS, A10_DAC_ACTRL, A10_PAVOL }, 104 [A10_CODEC_INPUT_DAC_VOLUME] = { AudioNdac, 105 A10_CODEC_INPUT_CLASS, A10_DAC_ACTRL, A10_PAVOL }, 106 }; 107 108 #define RD4(sc, reg) \ 109 bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg)) 110 #define WR4(sc, reg, val) \ 111 bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val)) 112 #define SET4(sc, reg, mask) \ 113 WR4((sc), (reg), RD4((sc), (reg)) | (mask)) 114 #define CLR4(sc, reg, mask) \ 115 WR4((sc), (reg), RD4((sc), (reg)) & ~(mask)) 116 117 static int 118 a10_codec_init(struct sunxi_codec_softc *sc) 119 { 120 121 /* Unmute PA */ 122 SET4(sc, A10_DAC_ACTRL, A10_PAMUTE); 123 124 /* Set initial volume */ 125 CLR4(sc, A10_DAC_ACTRL, A10_PAVOL); 126 SET4(sc, A10_DAC_ACTRL, __SHIFTIN(A10_DEFAULT_PAVOL, A10_PAVOL)); 127 128 /* Enable DAC analog l/r channels and output mixer */ 129 SET4(sc, A10_DAC_ACTRL, A10_DACAREN | A10_DACALEN | A10_DACPAS); 130 131 /* Enable ADC analog l/r channels */ 132 SET4(sc, A10_ADC_ACTRL, A10_ADCREN | A10_ADCLEN); 133 134 /* Enable PA */ 135 SET4(sc, A10_ADC_ACTRL, A10_PA_EN); 136 137 return 0; 138 } 139 140 static void 141 a10_codec_mute(struct sunxi_codec_softc *sc, int mute, u_int mode) 142 { 143 if (mode == AUMODE_PLAY) { 144 if (sc->sc_pin_pa != NULL) 145 fdtbus_gpio_write(sc->sc_pin_pa, !mute); 146 } 147 } 148 149 static int 150 a10_codec_set_port(struct sunxi_codec_softc *sc, mixer_ctrl_t *mc) 151 { 152 const struct a10_codec_mixer *mix; 153 u_int val, shift; 154 int nvol; 155 156 switch (mc->dev) { 157 case A10_CODEC_OUTPUT_MASTER_VOLUME: 158 case A10_CODEC_INPUT_DAC_VOLUME: 159 mix = &a10_codec_mixers[mc->dev]; 160 val = RD4(sc, mix->reg); 161 shift = 8 - fls32(__SHIFTOUT_MASK(mix->mask)); 162 nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] >> shift; 163 val &= ~mix->mask; 164 val |= __SHIFTIN(nvol, mix->mask); 165 WR4(sc, mix->reg, val); 166 return 0; 167 } 168 169 return ENXIO; 170 } 171 172 static int 173 a10_codec_get_port(struct sunxi_codec_softc *sc, mixer_ctrl_t *mc) 174 { 175 const struct a10_codec_mixer *mix; 176 u_int val, shift; 177 int nvol; 178 179 switch (mc->dev) { 180 case A10_CODEC_OUTPUT_MASTER_VOLUME: 181 case A10_CODEC_INPUT_DAC_VOLUME: 182 mix = &a10_codec_mixers[mc->dev]; 183 val = RD4(sc, mix->reg); 184 shift = 8 - fls32(__SHIFTOUT_MASK(mix->mask)); 185 nvol = __SHIFTOUT(val, mix->mask) << shift; 186 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = nvol; 187 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = nvol; 188 return 0; 189 } 190 191 return ENXIO; 192 } 193 194 static int 195 a10_codec_query_devinfo(struct sunxi_codec_softc *sc, mixer_devinfo_t *di) 196 { 197 const struct a10_codec_mixer *mix; 198 199 switch (di->index) { 200 case A10_CODEC_OUTPUT_CLASS: 201 di->mixer_class = di->index; 202 strcpy(di->label.name, AudioCoutputs); 203 di->type = AUDIO_MIXER_CLASS; 204 di->next = di->prev = AUDIO_MIXER_LAST; 205 return 0; 206 207 case A10_CODEC_INPUT_CLASS: 208 di->mixer_class = di->index; 209 strcpy(di->label.name, AudioCinputs); 210 di->type = AUDIO_MIXER_CLASS; 211 di->next = di->prev = AUDIO_MIXER_LAST; 212 return 0; 213 214 case A10_CODEC_OUTPUT_MASTER_VOLUME: 215 case A10_CODEC_INPUT_DAC_VOLUME: 216 mix = &a10_codec_mixers[di->index]; 217 di->mixer_class = mix->mixer_class; 218 strcpy(di->label.name, mix->name); 219 di->un.v.delta = 220 256 / (__SHIFTOUT_MASK(mix->mask) + 1); 221 di->type = AUDIO_MIXER_VALUE; 222 di->next = di->prev = AUDIO_MIXER_LAST; 223 di->un.v.num_channels = 2; 224 strcpy(di->un.v.units.name, AudioNvolume); 225 return 0; 226 } 227 228 return ENXIO; 229 } 230 231 const struct sunxi_codec_conf sun4i_a10_codecconf = { 232 .name = "A10 Audio Codec", 233 234 .init = a10_codec_init, 235 .mute = a10_codec_mute, 236 .set_port = a10_codec_set_port, 237 .get_port = a10_codec_get_port, 238 .query_devinfo = a10_codec_query_devinfo, 239 240 .DPC = 0x00, 241 .DAC_FIFOC = 0x04, 242 .DAC_FIFOS = 0x08, 243 .DAC_TXDATA = 0x0c, 244 .ADC_FIFOC = 0x1c, 245 .ADC_FIFOS = 0x20, 246 .ADC_RXDATA = 0x24, 247 .DAC_CNT = 0x30, 248 .ADC_CNT = 0x34, 249 }; 250
Indexes created Sun Sep 21 20:09:37 GMT 2025