Quelle  tumbler_volume.h

/* SPDX-License-Identifier: GPL-2.0 */
/* volume tables, taken from TAS3001c data manual */
/* volume gain values */
/* 0 = -70 dB, 175 = 18.0 dB in 0.5 dB step */
static const unsigned int master_volume_table[] = {
 0x00000015, 0x00000016, 0x00000017,
 0x00000019, 0x0000001a, 0x0000001c,
 0x0000001d, 0x0000001f, 0x00000021,
 0x00000023, 0x00000025, 0x00000027,
 0x00000029, 0x0000002c, 0x0000002e,
 0x00000031, 0x00000034, 0x00000037,
 0x0000003a, 0x0000003e, 0x00000042,
 0x00000045, 0x0000004a, 0x0000004e,
 0x00000053, 0x00000057, 0x0000005d,
 0x00000062, 0x00000068, 0x0000006e,
 0x00000075, 0x0000007b, 0x00000083,
 0x0000008b, 0x00000093, 0x0000009b,
 0x000000a5, 0x000000ae, 0x000000b9,
 0x000000c4, 0x000000cf, 0x000000dc,
 0x000000e9, 0x000000f6, 0x00000105,
 0x00000114, 0x00000125, 0x00000136,
 0x00000148, 0x0000015c, 0x00000171,
 0x00000186, 0x0000019e, 0x000001b6,
 0x000001d0, 0x000001eb, 0x00000209,
 0x00000227, 0x00000248, 0x0000026b,
 0x0000028f, 0x000002b6, 0x000002df,
 0x0000030b, 0x00000339, 0x0000036a,
 0x0000039e, 0x000003d5, 0x0000040f,
 0x0000044c, 0x0000048d, 0x000004d2,
 0x0000051c, 0x00000569, 0x000005bb,
 0x00000612, 0x0000066e, 0x000006d0,
 0x00000737, 0x000007a5, 0x00000818,
 0x00000893, 0x00000915, 0x0000099f,
 0x00000a31, 0x00000acc, 0x00000b6f,
 0x00000c1d, 0x00000cd5, 0x00000d97,
 0x00000e65, 0x00000f40, 0x00001027,
 0x0000111c, 0x00001220, 0x00001333,
 0x00001456, 0x0000158a, 0x000016d1,
 0x0000182b, 0x0000199a, 0x00001b1e,
 0x00001cb9, 0x00001e6d, 0x0000203a,
 0x00002223, 0x00002429, 0x0000264e,
 0x00002893, 0x00002afa, 0x00002d86,
 0x00003039, 0x00003314, 0x0000361b,
 0x00003950, 0x00003cb5, 0x0000404e,
 0x0000441d, 0x00004827, 0x00004c6d,
 0x000050f4, 0x000055c0, 0x00005ad5,
 0x00006037, 0x000065ea, 0x00006bf4,
 0x0000725a, 0x00007920, 0x0000804e,
 0x000087e8, 0x00008ff6, 0x0000987d,
 0x0000a186, 0x0000ab19, 0x0000b53c,
 0x0000bff9, 0x0000cb59, 0x0000d766,
 0x0000e429, 0x0000f1ae, 0x00010000,
 0x00010f2b, 0x00011f3d, 0x00013042,
 0x00014249, 0x00015562, 0x0001699c,
 0x00017f09, 0x000195bc, 0x0001adc6,
 0x0001c73d, 0x0001e237, 0x0001feca,
 0x00021d0e, 0x00023d1d, 0x00025f12,
 0x0002830b, 0x0002a925, 0x0002d182,
 0x0002fc42, 0x0003298b, 0x00035983,
 0x00038c53, 0x0003c225, 0x0003fb28,
 0x0004378b, 0x00047783, 0x0004bb44,
 0x0005030a, 0x00054f10, 0x00059f98,
 0x0005f4e5, 0x00064f40, 0x0006aef6,
 0x00071457, 0x00077fbb, 0x0007f17b,
};

/* treble table for TAS3001c */
/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
static const unsigned int treble_volume_table[] = {
 0x96, 0x95, 0x94,
 0x93, 0x92, 0x91,
 0x90, 0x8f, 0x8e,
 0x8d, 0x8c, 0x8b,
 0x8a, 0x89, 0x88,
 0x87, 0x86, 0x85,
 0x84, 0x83, 0x82,
 0x81, 0x80, 0x7f,
 0x7e, 0x7d, 0x7c,
 0x7b, 0x7a, 0x79,
 0x78, 0x77, 0x76,
 0x75, 0x74, 0x73,
 0x72, 0x71, 0x70,
 0x6e, 0x6d, 0x6c,
 0x6b, 0x69, 0x68,
 0x66, 0x65, 0x63,
 0x62, 0x60, 0x5e,
 0x5c, 0x5a, 0x57,
 0x55, 0x52, 0x4f,
 0x4c, 0x49, 0x45,
 0x42, 0x3e, 0x3a,
 0x36, 0x32, 0x2d,
 0x28, 0x22, 0x1c,
 0x16, 0x10, 0x09,
 0x01,
};

/* bass table for TAS3001c */
/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
static const unsigned int bass_volume_table[] = {
 0x86, 0x82, 0x7f,
 0x7d, 0x7a, 0x78,
 0x76, 0x74, 0x72,
 0x70, 0x6e, 0x6d,
 0x6b, 0x69, 0x66,
 0x64, 0x61, 0x5f,
 0x5d, 0x5c, 0x5a,
 0x59, 0x58, 0x56,
 0x55, 0x54, 0x53,
 0x51, 0x4f, 0x4d,
 0x4b, 0x49, 0x46,
 0x44, 0x42, 0x40,
 0x3e, 0x3c, 0x3b,
 0x39, 0x38, 0x36,
 0x35, 0x33, 0x31,
 0x30, 0x2e, 0x2c,
 0x2b, 0x29, 0x28,
 0x26, 0x25, 0x23,
 0x21, 0x1f, 0x1c,
 0x19, 0x18, 0x17,
 0x16, 0x14, 0x13,
 0x12, 0x10, 0x0f,
 0x0d, 0x0b, 0x0a,
 0x08, 0x06, 0x03,
 0x01,
};

/* mixer (pcm) volume table */
/* 0 = -70 dB, 175 = 18.0 dB in 0.5 dB step */
static const unsigned int mixer_volume_table[] = {
 0x00014b, 0x00015f, 0x000174,
 0x00018a, 0x0001a1, 0x0001ba,
 0x0001d4, 0x0001f0, 0x00020d,
 0x00022c, 0x00024d, 0x000270,
 0x000295, 0x0002bc, 0x0002e6,
 0x000312, 0x000340, 0x000372,
 0x0003a6, 0x0003dd, 0x000418,
 0x000456, 0x000498, 0x0004de,
 0x000528, 0x000576, 0x0005c9,
 0x000620, 0x00067d, 0x0006e0,
 0x000748, 0x0007b7, 0x00082c,
 0x0008a8, 0x00092b, 0x0009b6,
 0x000a49, 0x000ae5, 0x000b8b,
 0x000c3a, 0x000cf3, 0x000db8,
 0x000e88, 0x000f64, 0x00104e,
 0x001145, 0x00124b, 0x001361,
 0x001487, 0x0015be, 0x001708,
 0x001865, 0x0019d8, 0x001b60,
 0x001cff, 0x001eb7, 0x002089,
 0x002276, 0x002481, 0x0026ab,
 0x0028f5, 0x002b63, 0x002df5,
 0x0030ae, 0x003390, 0x00369e,
 0x0039db, 0x003d49, 0x0040ea,
 0x0044c3, 0x0048d6, 0x004d27,
 0x0051b9, 0x005691, 0x005bb2,
 0x006121, 0x0066e3, 0x006cfb,
 0x007370, 0x007a48, 0x008186,
 0x008933, 0x009154, 0x0099f1,
 0x00a310, 0x00acba, 0x00b6f6,
 0x00c1cd, 0x00cd49, 0x00d973,
 0x00e655, 0x00f3fb, 0x010270,
 0x0111c0, 0x0121f9, 0x013328,
 0x01455b, 0x0158a2, 0x016d0e,
 0x0182af, 0x019999, 0x01b1de,
 0x01cb94, 0x01e6cf, 0x0203a7,
 0x022235, 0x024293, 0x0264db,
 0x02892c, 0x02afa3, 0x02d862,
 0x03038a, 0x033142, 0x0361af,
 0x0394fa, 0x03cb50, 0x0404de,
 0x0441d5, 0x048268, 0x04c6d0,
 0x050f44, 0x055c04, 0x05ad50,
 0x06036e, 0x065ea5, 0x06bf44,
 0x07259d, 0x079207, 0x0804dc,
 0x087e80, 0x08ff59, 0x0987d5,
 0x0a1866, 0x0ab189, 0x0b53be,
 0x0bff91, 0x0cb591, 0x0d765a,
 0x0e4290, 0x0f1adf, 0x100000,
 0x10f2b4, 0x11f3c9, 0x13041a,
 0x14248e, 0x15561a, 0x1699c0,
 0x17f094, 0x195bb8, 0x1adc61,
 0x1c73d5, 0x1e236d, 0x1fec98,
 0x21d0d9, 0x23d1cd, 0x25f125,
 0x2830af, 0x2a9254, 0x2d1818,
 0x2fc420, 0x3298b0, 0x35982f,
 0x38c528, 0x3c224c, 0x3fb278,
 0x437880, 0x477828, 0x4bb446,
 0x5030a1, 0x54f106, 0x59f980,
 0x5f4e52, 0x64f403, 0x6aef5d,
 0x714575, 0x77fbaa, 0x7f17af,
};


/* treble table for TAS3004 */
/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
static const unsigned int snapper_treble_volume_table[] = {
 0x96, 0x95, 0x94,
 0x93, 0x92, 0x91,
 0x90, 0x8f, 0x8e,
 0x8d, 0x8c, 0x8b,
 0x8a, 0x89, 0x88,
 0x87, 0x86, 0x85,
 0x84, 0x83, 0x82,
 0x81, 0x80, 0x7f,
 0x7e, 0x7d, 0x7c,
 0x7b, 0x7a, 0x79,
 0x78, 0x77, 0x76,
 0x75, 0x74, 0x73,
 0x72, 0x71, 0x70,
 0x6f, 0x6d, 0x6c,
 0x6b, 0x69, 0x68,
 0x67, 0x65, 0x63,
 0x62, 0x60, 0x5d,
 0x5b, 0x59, 0x56,
 0x53, 0x51, 0x4d,
 0x4a, 0x47, 0x43,
 0x3f, 0x3b, 0x36,
 0x31, 0x2c, 0x26,
 0x20, 0x1a, 0x13,
 0x08, 0x04, 0x01,
 0x01,
};

/* bass table for TAS3004 */
/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
static const unsigned int snapper_bass_volume_table[] = {
 0x96, 0x95, 0x94,
 0x93, 0x92, 0x91,
 0x90, 0x8f, 0x8e,
 0x8d, 0x8c, 0x8b,
 0x8a, 0x89, 0x88,
 0x87, 0x86, 0x85,
 0x84, 0x83, 0x82,
 0x81, 0x80, 0x7f,
 0x7e, 0x7d, 0x7c,
 0x7b, 0x7a, 0x79,
 0x78, 0x77, 0x76,
 0x75, 0x74, 0x73,
 0x72, 0x71, 0x6f,
 0x6e, 0x6d, 0x6b,
 0x6a, 0x69, 0x67,
 0x66, 0x65, 0x63,
 0x62, 0x61, 0x5f,
 0x5d, 0x5b, 0x58,
 0x55, 0x52, 0x4f,
 0x4c, 0x49, 0x46,
 0x43, 0x3f, 0x3b,
 0x37, 0x33, 0x2e,
 0x29, 0x24, 0x1e,
 0x18, 0x11, 0x0a,
 0x01,
};