1 /* 2 * Header file for the i2c/i2s based TA3001C sound chip used 3 * on some Apple hardware. Also known as "tumbler". 4 * 5 * This file is subject to the terms and conditions of the GNU General Public 6 * License. See the file COPYING in the main directory of this archive 7 * for more details. 8 * 9 * Written by Christopher C. Chimelis <chris@debian.org> 10 */ 11 12 #ifndef _tas3001c_h_ 13 #define _tas3001c_h_ 14 15 /* 16 * Macros that correspond to the registers that we write to 17 * when setting the various values. 18 */ 19 #define TAS_DRC 0x02 /* DRC */ 20 #define TAS_VOLUME 0x04 /* Volume */ 21 #define TAS_TREBLE 0x05 /* Treble */ 22 #define TAS_BASS 0x06 /* Bass */ 23 #define TAS_MIXER1 0x07 /* PCM line */ 24 #define TAS_MIXER2 0x08 /* Input (Unk) */ 25 26 /* 27 * Macros that define various arguments to tas_set_register() 28 */ 29 #define TAS_SET_DRC TAS_DRC, 2 30 #define TAS_SET_VOLUME TAS_VOLUME, 6 31 #define TAS_SET_TREBLE TAS_TREBLE, 1 32 #define TAS_SET_BASS TAS_BASS, 1 33 #define TAS_SET_MIXER1 TAS_MIXER1, 3 34 #define TAS_SET_MIXER2 TAS_MIXER2, 3 35 36 37 /* 38 * tas_volume_table contains lookup values for the volume settings 39 * for tumbler. This is straight from the programming manual 40 * for the chip, however, it's zero-sourced for your shopping pleasure 41 * (meaning, you'll have to compute the difference between the desired 42 * dB and the index value of the proper setting. 43 * 44 * This table should've been replaced by the formula: 45 * dB = 20 log(x) 46 * but, since there's no log() or supporting functions like exp(), 47 * my implementation of the above won't work. Yeah, I could do it 48 * the hard way, but this table is just easier :-) 49 * 50 * For reference, -70 dB = tas_volume_table[0] 51 */ 52 53 static unsigned int tas_volume_table[] = { 54 0x00000015, 0x00000016, 0x00000017, /* -70.0, -69.5, -69.0 */ 55 0x00000019, 0x0000001a, 0x0000001c, /* -68.5, -68.0, -67.5 */ 56 0x0000001d, 0x0000001f, 0x00000021, /* -67.0, -66.5, -66.0 */ 57 0x00000023, 0x00000025, 0x00000027, /* -65.5, -65.0, -64.5 */ 58 0x00000029, 0x0000002c, 0x0000002e, /* -64.0, -63.5, -63.0 */ 59 0x00000031, 0x00000034, 0x00000037, /* -62.5, -62.0, -61.5 */ 60 0x0000003a, 0x0000003e, 0x00000042, /* -61.0, -60.5, -60.0 */ 61 0x00000045, 0x0000004a, 0x0000004e, /* -59.5, -59.0, -58.5 */ 62 0x00000053, 0x00000057, 0x0000005d, /* -58.0, -57.5, -57.0 */ 63 0x00000062, 0x00000068, 0x0000006e, /* -56.5, -56.0, -55.5 */ 64 0x00000075, 0x0000007b, 0x00000083, /* -55.0, -54.5, -54.0 */ 65 0x0000008b, 0x00000093, 0x0000009b, /* -53.5, -53.0, -52.5 */ 66 0x000000a5, 0x000000ae, 0x000000b9, /* -52.0, -51.5, -51.0 */ 67 0x000000c4, 0x000000cf, 0x000000dc, /* -50.5, -50.0, -49.5 */ 68 0x000000e9, 0x000000f6, 0x00000105, /* -49.0, -48.5, -48.0 */ 69 0x00000114, 0x00000125, 0x00000136, /* -47.5, -47.0, -46.5 */ 70 0x00000148, 0x0000015c, 0x00000171, /* -46.0, -45.5, -45.0 */ 71 0x00000186, 0x0000019e, 0x000001b6, /* -44.5, -44.0, -43.5 */ 72 0x000001d0, 0x000001eb, 0x00000209, /* -43.0, -42.5, -42.0 */ 73 0x00000227, 0x00000248, 0x0000026b, /* -41.5, -41.0, -40.5 */ 74 0x0000028f, 0x000002b6, 0x000002df, /* -40.0, -39.5, -39.0 */ 75 0x0000030b, 0x00000339, 0x0000036a, /* -38.5, -38.0, -37.5 */ 76 0x0000039e, 0x000003d5, 0x0000040f, /* -37.0, -36.5, -36.0 */ 77 0x0000044c, 0x0000048d, 0x000004d2, /* -35.5, -35.0, -34.5 */ 78 0x0000051c, 0x00000569, 0x000005bb, /* -34.0, -33.5, -33.0 */ 79 0x00000612, 0x0000066e, 0x000006d0, /* -32.5, -32.0, -31.5 */ 80 0x00000737, 0x000007a5, 0x00000818, /* -31.0, -30.5, -30.0 */ 81 0x00000893, 0x00000915, 0x0000099f, /* -29.5, -29.0, -28.5 */ 82 0x00000a31, 0x00000acc, 0x00000b6f, /* -28.0, -27.5, -27.0 */ 83 0x00000c1d, 0x00000cd5, 0x00000d97, /* -26.5, -26.0, -25.5 */ 84 0x00000e65, 0x00000f40, 0x00001027, /* -25.0, -24.5, -24.0 */ 85 0x0000111c, 0x00001220, 0x00001333, /* -23.5, -23.0, -22.5 */ 86 0x00001456, 0x0000158a, 0x000016d1, /* -22.0, -21.5, -21.0 */ 87 0x0000182b, 0x0000199a, 0x00001b1e, /* -20.5, -20.0, -19.5 */ 88 0x00001cb9, 0x00001e6d, 0x0000203a, /* -19.0, -18.5, -18.0 */ 89 0x00002223, 0x00002429, 0x0000264e, /* -17.5, -17.0, -16.5 */ 90 0x00002893, 0x00002afa, 0x00002d86, /* -16.0, -15.5, -15.0 */ 91 0x00003039, 0x00003314, 0x0000361b, /* -14.5, -14.0, -13.5 */ 92 0x00003950, 0x00003cb5, 0x0000404e, /* -13.0, -12.5, -12.0 */ 93 0x0000441d, 0x00004827, 0x00004c6d, /* -11.5, -11.0, -10.5 */ 94 0x000050f4, 0x000055c0, 0x00005ad5, /* -10.0, -09.5, -09.0 */ 95 0x00006037, 0x000065ea, 0x00006bf4, /* -08.5, -08.0, -07.5 */ 96 0x0000725a, 0x00007920, 0x0000804e, /* -07.0, -06.5, -06.0 */ 97 0x000087e8, 0x00008ff6, 0x0000987d, /* -05.5, -05.0, -04.5 */ 98 0x0000a186, 0x0000ab19, 0x0000b53c, /* -04.0, -03.5, -03.0 */ 99 0x0000bff9, 0x0000cb59, 0x0000d766, /* -02.5, -02.0, -01.5 */ 100 0x0000e429, 0x0000f1ae, 0x00010000, /* -01.0, -00.5, 00.0 */ 101 0x00010f2b, 0x00011f3d, 0x00013042, /* +00.5, +01.0, +01.5 */ 102 0x00014249, 0x00015562, 0x0001699c, /* +02.0, +02.5, +03.0 */ 103 0x00017f09, 0x000195bc, 0x0001adc6, /* +03.5, +04.0, +04.5 */ 104 0x0001c73d, 0x0001e237, 0x0001feca, /* +05.0, +05.5, +06.0 */ 105 0x00021d0e, 0x00023d1d, 0x00025f12, /* +06.5, +07.0, +07.5 */ 106 0x0002830b, 0x0002a925, 0x0002d182, /* +08.0, +08.5, +09.0 */ 107 0x0002fc42, 0x0003298b, 0x00035983, /* +09.5, +10.0, +10.5 */ 108 0x00038c53, 0x0003c225, 0x0003fb28, /* +11.0, +11.5, +12.0 */ 109 0x0004378b, 0x00047783, 0x0004bb44, /* +12.5, +13.0, +13.5 */ 110 0x0005030a, 0x00054f10, 0x00059f98, /* +14.0, +14.5, +15.0 */ 111 0x0005f4e5, 0x00064f40, 0x0006aef6, /* +15.5, +16.0, +16.5 */ 112 0x00071457, 0x00077fbb, 0x0007f17b /* +17.0, +17.5, +18.0 */ 113 }; 114 115 /* tas_treble_table[] is a lookup table that holds the values to drop into 116 * the treble setting register on the TAS. Again, there is a formula for 117 * this one, but we use this instead due to lack of real math functions 118 * in the kernel. 119 */ 120 static char tas_treble_table[] = { 121 0x96, 0x95, 0x94, /* -18.0, -17.5, -17.0 */ 122 0x93, 0x92, 0x91, /* -16.5, -16.0, -15.5 */ 123 0x90, 0x8f, 0x8e, /* -15.0, -14.5, -14.0 */ 124 0x8d, 0x8c, 0x8b, /* -13.5, -13.0, -12.5 */ 125 0x8a, 0x89, 0x88, /* -12.0, -11.5, -11.0 */ 126 0x87, 0x86, 0x85, /* -10.5, -10.0, -09.5 */ 127 0x84, 0x83, 0x82, /* -09.0, -08.5, -08.0 */ 128 0x81, 0x80, 0x7f, /* -07.5, -07.0, -06.5 */ 129 0x7e, 0x7d, 0x7c, /* -06.0, -05.5, -05.0 */ 130 0x7b, 0x7a, 0x79, /* -04.5, -04.0, -03.5 */ 131 0x78, 0x77, 0x76, /* -03.0, -02.5, -02.0 */ 132 0x75, 0x74, 0x73, /* -01.5, -01.0, -00.5 */ 133 0x72, 0x71, 0x70, /* 00.0, +00.5, +01.0 */ 134 0x6e, 0x6d, 0x6c, /* +01.5, +02.0, +02.5 */ 135 0x6b, 0x69, 0x68, /* +03.0, +03.5, +04.0 */ 136 0x66, 0x65, 0x63, /* +04.5, +05.0, +05.5 */ 137 0x62, 0x60, 0x5e, /* +06.0, +06.5, +07.0 */ 138 0x5c, 0x5a, 0x57, /* +07.5, +08.0, +08.5 */ 139 0x55, 0x52, 0x4f, /* +09.0, +09.5, +10.0 */ 140 0x4c, 0x49, 0x45, /* +10.5, +11.0, +11.5 */ 141 0x42, 0x3e, 0x3a, /* +12.0, +12.5, +13.0 */ 142 0x36, 0x32, 0x2d, /* +13.5, +14.0, +14.5 */ 143 0x28, 0x22, 0x1c, /* +15.0, +15.5, +16.0 */ 144 0x16, 0x10, 0x09, /* +16.5, +17.0, +17.5 */ 145 0x01 /* +18.0 */ 146 }; 147 148 /* tas_bass_table[] is a lookup table that holds the values to drop into 149 * the bass setting register on the TAS. Again, there is a formula for 150 * this one, but we use this instead due to lack of real math functions 151 * in the kernel. 152 */ 153 static char tas_bass_table[] = { 154 0x86, 0x82, 0x7f, /* -18.0, -17.5, -17.0 */ 155 0x7d, 0x7a, 0x78, /* -16.5, -16.0, -15.5 */ 156 0x76, 0x74, 0x72, /* -15.0, -14.5, -14.0 */ 157 0x70, 0x6e, 0x6d, /* -13.5, -13.0, -12.5 */ 158 0x6b, 0x69, 0x66, /* -12.0, -11.5, -11.0 */ 159 0x64, 0x61, 0x5f, /* -10.5, -10.0, -09.5 */ 160 0x5d, 0x5c, 0x5a, /* -09.0, -08.5, -08.0 */ 161 0x59, 0x58, 0x56, /* -07.5, -07.0, -06.5 */ 162 0x55, 0x54, 0x53, /* -06.0, -05.5, -05.0 */ 163 0x51, 0x4f, 0x4d, /* -04.5, -04.0, -03.5 */ 164 0x4b, 0x49, 0x46, /* -03.0, -02.5, -02.0 */ 165 0x44, 0x42, 0x40, /* -01.5, -01.0, -00.5 */ 166 0x3e, 0x3c, 0x3b, /* 00.0, +00.5, +01.0 */ 167 0x39, 0x38, 0x36, /* +01.5, +02.0, +02.5 */ 168 0x35, 0x33, 0x31, /* +03.0, +03.5, +04.0 */ 169 0x30, 0x2e, 0x2c, /* +04.5, +05.0, +05.5 */ 170 0x2b, 0x29, 0x28, /* +06.0, +06.5, +07.0 */ 171 0x26, 0x25, 0x23, /* +07.5, +08.0, +08.5 */ 172 0x21, 0x1f, 0x1c, /* +09.0, +09.5, +10.0 */ 173 0x19, 0x18, 0x17, /* +10.5, +11.0, +11.5 */ 174 0x16, 0x14, 0x13, /* +12.0, +12.5, +13.0 */ 175 0x12, 0x10, 0x0f, /* +13.5, +14.0, +14.5 */ 176 0x0d, 0x0b, 0x0a, /* +15.0, +15.5, +16.0 */ 177 0x08, 0x06, 0x03, /* +16.5, +17.0, +17.5 */ 178 0x01 /* +18.0 */ 179 }; 180 181 /* tas_input_table[] is a lookup table that holds the values to drop into 182 * the setting registers on the TAS for "mixers 1 & 2" (which are the input 183 * lines). Again, there is a formula for these, but we use this instead 184 * due to lack of real math functions in the kernel. 185 */ 186 static unsigned int tas_input_table[] = { 187 0x00014b, 0x00015f, 0x000174, /* -70.0, -69.5, -69.0 */ 188 0x00018a, 0x0001a1, 0x0001ba, /* -68.5, -68.0, -67.5 */ 189 0x0001d4, 0x0001f0, 0x00020d, /* -67.0, -66.5, -66.0 */ 190 0x00022c, 0x00024d, 0x000270, /* -65.5, -65.0, -64.5 */ 191 0x000295, 0x0002bc, 0x0002e6, /* -64.0, -63.5, -63.0 */ 192 0x000312, 0x000340, 0x000372, /* -62.5, -62.0, -61.5 */ 193 0x0003a6, 0x0003dd, 0x000418, /* -61.0, -60.5, -60.0 */ 194 0x000456, 0x000498, 0x0004de, /* -59.5, -59.0, -58.5 */ 195 0x000528, 0x000576, 0x0005c9, /* -58.0, -57.5, -57.0 */ 196 0x000620, 0x00067d, 0x0006e0, /* -56.5, -56.0, -55.5 */ 197 0x000748, 0x0007b7, 0x00082c, /* -55.0, -54.5, -54.0 */ 198 0x0008a8, 0x00092b, 0x0009b6, /* -53.5, -53.0, -52.5 */ 199 0x000a49, 0x000ae5, 0x000b8b, /* -52.0, -51.5, -51.0 */ 200 0x000c3a, 0x000cf3, 0x000db8, /* -50.5, -50.0, -49.5 */ 201 0x000e88, 0x000f64, 0x00104e, /* -49.0, -48.5, -48.0 */ 202 0x001145, 0x00124b, 0x001361, /* -47.5, -47.0, -46.5 */ 203 0x001487, 0x0015be, 0x001708, /* -46.0, -45.5, -45.0 */ 204 0x001865, 0x0019d8, 0x001b60, /* -44.5, -44.0, -43.5 */ 205 0x001cff, 0x001eb7, 0x002089, /* -43.0, -42.5, -42.0 */ 206 0x002276, 0x002481, 0x0026ab, /* -41.5, -41.0, -40.5 */ 207 0x0028f5, 0x002b63, 0x002df5, /* -40.0, -39.5, -39.0 */ 208 0x0030ae, 0x003390, 0x00369e, /* -38.5, -38.0, -37.5 */ 209 0x0039db, 0x003d49, 0x0040ea, /* -37.0, -36.5, -36.0 */ 210 0x0044c3, 0x0048d6, 0x004d27, /* -35.5, -35.0, -34.5 */ 211 0x0051b9, 0x005691, 0x005bb2, /* -34.0, -33.5, -33.0 */ 212 0x006121, 0x0066e3, 0x006cfb, /* -32.5, -32.0, -31.5 */ 213 0x007370, 0x007a48, 0x008186, /* -31.0, -30.5, -30.0 */ 214 0x008933, 0x009154, 0x0099f1, /* -29.5, -29.0, -28.5 */ 215 0x00a310, 0x00acba, 0x00b6f6, /* -28.0, -27.5, -27.0 */ 216 0x00c1cd, 0x00cd49, 0x00d973, /* -26.5, -26.0, -25.5 */ 217 0x00e655, 0x00f3fb, 0x010270, /* -25.0, -24.5, -24.0 */ 218 0x0111c0, 0x0121f9, 0x013328, /* -23.5, -23.0, -22.5 */ 219 0x01455b, 0x0158a2, 0x016d0e, /* -22.0, -21.5, -21.0 */ 220 0x0182af, 0x019999, 0x01b1de, /* -20.5, -20.0, -19.5 */ 221 0x01cb94, 0x01e6cf, 0x0203a7, /* -19.0, -18.5, -18.0 */ 222 0x022235, 0x024293, 0x0264db, /* -17.5, -17.0, -16.5 */ 223 0x02892c, 0x02afa3, 0x02d862, /* -16.0, -15.5, -15.0 */ 224 0x03038a, 0x033142, 0x0361af, /* -14.5, -14.0, -13.5 */ 225 0x0394fa, 0x03cb50, 0x0404de, /* -13.0, -12.5, -12.0 */ 226 0x0441d5, 0x048268, 0x04c6d0, /* -11.5, -11.0, -10.5 */ 227 0x050f44, 0x055c04, 0x05ad50, /* -10.0, -09.5, -09.0 */ 228 0x06036e, 0x065ea5, 0x06bf44, /* -08.5, -08.0, -07.5 */ 229 0x07259d, 0x079207, 0x0804dc, /* -07.0, -06.5, -06.0 */ 230 0x087e80, 0x08ff59, 0x0987d5, /* -05.5, -05.0, -04.5 */ 231 0x0a1866, 0x0ab189, 0x0b53be, /* -04.0, -03.5, -03.0 */ 232 0x0bff91, 0x0cb591, 0x0d765a, /* -02.5, -02.0, -01.5 */ 233 0x0e4290, 0x0f1adf, 0x100000, /* -01.0, -00.5, 00.0 */ 234 0x10f2b4, 0x11f3c9, 0x13041a, /* +00.5, +01.0, +01.5 */ 235 0x14248e, 0x15561a, 0x1699c0, /* +02.0, +02.5, +03.0 */ 236 0x17f094, 0x195bb8, 0x1adc61, /* +03.5, +04.0, +04.5 */ 237 0x1c73d5, 0x1e236d, 0x1fec98, /* +05.0, +05.5, +06.0 */ 238 0x21d0d9, 0x23d1cd, 0x25f125, /* +06.5, +07.0, +07.5 */ 239 0x2830af, 0x2a9254, 0x2d1818, /* +08.0, +08.5, +09.0 */ 240 0x2fc420, 0x3298b0, 0x35982f, /* +09.5, +10.0, +10.5 */ 241 0x38c528, 0x3c224c, 0x3fb278, /* +11.0, +11.5, +12.0 */ 242 0x437880, 0x477828, 0x4bb446, /* +12.5, +13.0, +13.5 */ 243 0x5030a1, 0x54f106, 0x59f980, /* +14.0, +14.5, +15.0 */ 244 0x5f4e52, 0x64f403, 0x6aef5d, /* +15.5, +16.0, +16.5 */ 245 0x714575, 0x77fbaa, 0x7f17af /* +17.0, +17.5, +18.0 */ 246 }; 247 248 #endif /* _tas3001c_h_ */ 249