forked from Minki/linux
ASoC: rsnd: add CTU support
This patch adds CTU (= Channel Transfer Unit) support on Renesas R-Car sound driver. It can Down/Up mixing and splitter. You need to check R-Car datasheet especially CTUn_CPMDR/CTUn_SV0xR/CTUn_SV1xR/CTUn_SV2xR/CTUn_SV3xR for setting parameter. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
Mark Brown
parent
eed76bb811
commit
ec2ac01afe
@ -12,8 +12,74 @@
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#define CTU_NAME_SIZE 16
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#define CTU_NAME "ctu"
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/*
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* User needs to setup CTU by amixer, and its settings are
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* based on below registers
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*
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* CTUn_CPMDR : amixser set "CTU Pass"
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* CTUn_SV0xR : amixser set "CTU SV0"
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* CTUn_SV1xR : amixser set "CTU SV1"
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* CTUn_SV2xR : amixser set "CTU SV2"
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* CTUn_SV3xR : amixser set "CTU SV3"
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*
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* [CTU Pass]
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* 0000: default
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* 0001: Connect input data of channel 0
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* 0010: Connect input data of channel 1
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* 0011: Connect input data of channel 2
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* 0100: Connect input data of channel 3
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* 0101: Connect input data of channel 4
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* 0110: Connect input data of channel 5
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* 0111: Connect input data of channel 6
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* 1000: Connect input data of channel 7
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* 1001: Connect calculated data by scale values of matrix row 0
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* 1010: Connect calculated data by scale values of matrix row 1
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* 1011: Connect calculated data by scale values of matrix row 2
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* 1100: Connect calculated data by scale values of matrix row 3
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*
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* [CTU SVx]
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* [Output0] = [SV00, SV01, SV02, SV03, SV04, SV05, SV06, SV07]
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* [Output1] = [SV10, SV11, SV12, SV13, SV14, SV15, SV16, SV17]
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* [Output2] = [SV20, SV21, SV22, SV23, SV24, SV25, SV26, SV27]
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* [Output3] = [SV30, SV31, SV32, SV33, SV34, SV35, SV36, SV37]
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* [Output4] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
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* [Output5] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
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* [Output6] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
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* [Output7] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
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*
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* [SVxx]
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* Plus Minus
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* value time dB value time dB
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* -----------------------------------------------------------------------
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* H'7F_FFFF 2 6 H'80_0000 2 6
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* ...
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* H'40_0000 1 0 H'C0_0000 1 0
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* ...
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* H'00_0001 2.38 x 10^-7 -132
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* H'00_0000 0 Mute H'FF_FFFF 2.38 x 10^-7 -132
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*
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*
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* Ex) Input ch -> Output ch
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* 1ch -> 0ch
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* 0ch -> 1ch
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*
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* amixer set "CTU Reset" on
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* amixer set "CTU Pass" 9,10
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* amixer set "CTU SV0" 0,4194304
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* amixer set "CTU SV1" 4194304,0
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* or
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* amixer set "CTU Reset" on
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* amixer set "CTU Pass" 2,1
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*/
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struct rsnd_ctu {
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struct rsnd_mod mod;
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struct rsnd_kctrl_cfg_m pass;
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struct rsnd_kctrl_cfg_m sv0;
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struct rsnd_kctrl_cfg_m sv1;
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struct rsnd_kctrl_cfg_m sv2;
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struct rsnd_kctrl_cfg_m sv3;
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struct rsnd_kctrl_cfg_s reset;
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int channels;
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};
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@ -58,51 +124,91 @@ static int rsnd_ctu_probe_(struct rsnd_mod *mod,
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static void rsnd_ctu_value_init(struct rsnd_dai_stream *io,
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struct rsnd_mod *mod)
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{
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struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
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u32 cpmdr = 0;
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u32 scmdr = 0;
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int i;
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for (i = 0; i < RSND_MAX_CHANNELS; i++) {
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u32 val = ctu->pass.val[i];
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cpmdr |= val << (28 - (i * 4));
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if ((val > 0x8) && (scmdr < (val - 0x8)))
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scmdr = val - 0x8;
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}
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rsnd_mod_write(mod, CTU_CTUIR, 1);
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rsnd_mod_write(mod, CTU_ADINR, rsnd_runtime_channel_original(io));
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rsnd_mod_write(mod, CTU_CPMDR, 0);
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rsnd_mod_write(mod, CTU_SCMDR, 0);
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rsnd_mod_write(mod, CTU_SV00R, 0);
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rsnd_mod_write(mod, CTU_SV01R, 0);
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rsnd_mod_write(mod, CTU_SV02R, 0);
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rsnd_mod_write(mod, CTU_SV03R, 0);
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rsnd_mod_write(mod, CTU_SV04R, 0);
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rsnd_mod_write(mod, CTU_SV05R, 0);
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rsnd_mod_write(mod, CTU_SV06R, 0);
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rsnd_mod_write(mod, CTU_SV07R, 0);
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rsnd_mod_write(mod, CTU_CPMDR, cpmdr);
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rsnd_mod_write(mod, CTU_SV10R, 0);
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rsnd_mod_write(mod, CTU_SV11R, 0);
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rsnd_mod_write(mod, CTU_SV12R, 0);
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rsnd_mod_write(mod, CTU_SV13R, 0);
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rsnd_mod_write(mod, CTU_SV14R, 0);
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rsnd_mod_write(mod, CTU_SV15R, 0);
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rsnd_mod_write(mod, CTU_SV16R, 0);
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rsnd_mod_write(mod, CTU_SV17R, 0);
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rsnd_mod_write(mod, CTU_SCMDR, scmdr);
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rsnd_mod_write(mod, CTU_SV20R, 0);
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rsnd_mod_write(mod, CTU_SV21R, 0);
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rsnd_mod_write(mod, CTU_SV22R, 0);
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rsnd_mod_write(mod, CTU_SV23R, 0);
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rsnd_mod_write(mod, CTU_SV24R, 0);
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rsnd_mod_write(mod, CTU_SV25R, 0);
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rsnd_mod_write(mod, CTU_SV26R, 0);
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rsnd_mod_write(mod, CTU_SV27R, 0);
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rsnd_mod_write(mod, CTU_SV30R, 0);
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rsnd_mod_write(mod, CTU_SV31R, 0);
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rsnd_mod_write(mod, CTU_SV32R, 0);
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rsnd_mod_write(mod, CTU_SV33R, 0);
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rsnd_mod_write(mod, CTU_SV34R, 0);
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rsnd_mod_write(mod, CTU_SV35R, 0);
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rsnd_mod_write(mod, CTU_SV36R, 0);
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rsnd_mod_write(mod, CTU_SV37R, 0);
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if (scmdr > 0) {
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rsnd_mod_write(mod, CTU_SV00R, ctu->sv0.val[0]);
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rsnd_mod_write(mod, CTU_SV01R, ctu->sv0.val[1]);
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rsnd_mod_write(mod, CTU_SV02R, ctu->sv0.val[2]);
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rsnd_mod_write(mod, CTU_SV03R, ctu->sv0.val[3]);
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rsnd_mod_write(mod, CTU_SV04R, ctu->sv0.val[4]);
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rsnd_mod_write(mod, CTU_SV05R, ctu->sv0.val[5]);
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rsnd_mod_write(mod, CTU_SV06R, ctu->sv0.val[6]);
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rsnd_mod_write(mod, CTU_SV07R, ctu->sv0.val[7]);
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}
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if (scmdr > 1) {
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rsnd_mod_write(mod, CTU_SV10R, ctu->sv1.val[0]);
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rsnd_mod_write(mod, CTU_SV11R, ctu->sv1.val[1]);
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rsnd_mod_write(mod, CTU_SV12R, ctu->sv1.val[2]);
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rsnd_mod_write(mod, CTU_SV13R, ctu->sv1.val[3]);
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rsnd_mod_write(mod, CTU_SV14R, ctu->sv1.val[4]);
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rsnd_mod_write(mod, CTU_SV15R, ctu->sv1.val[5]);
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rsnd_mod_write(mod, CTU_SV16R, ctu->sv1.val[6]);
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rsnd_mod_write(mod, CTU_SV17R, ctu->sv1.val[7]);
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}
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if (scmdr > 2) {
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rsnd_mod_write(mod, CTU_SV20R, ctu->sv2.val[0]);
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rsnd_mod_write(mod, CTU_SV21R, ctu->sv2.val[1]);
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rsnd_mod_write(mod, CTU_SV22R, ctu->sv2.val[2]);
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rsnd_mod_write(mod, CTU_SV23R, ctu->sv2.val[3]);
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rsnd_mod_write(mod, CTU_SV24R, ctu->sv2.val[4]);
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rsnd_mod_write(mod, CTU_SV25R, ctu->sv2.val[5]);
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rsnd_mod_write(mod, CTU_SV26R, ctu->sv2.val[6]);
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rsnd_mod_write(mod, CTU_SV27R, ctu->sv2.val[7]);
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}
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if (scmdr > 3) {
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rsnd_mod_write(mod, CTU_SV30R, ctu->sv3.val[0]);
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rsnd_mod_write(mod, CTU_SV31R, ctu->sv3.val[1]);
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rsnd_mod_write(mod, CTU_SV32R, ctu->sv3.val[2]);
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rsnd_mod_write(mod, CTU_SV33R, ctu->sv3.val[3]);
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rsnd_mod_write(mod, CTU_SV34R, ctu->sv3.val[4]);
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rsnd_mod_write(mod, CTU_SV35R, ctu->sv3.val[5]);
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rsnd_mod_write(mod, CTU_SV36R, ctu->sv3.val[6]);
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rsnd_mod_write(mod, CTU_SV37R, ctu->sv3.val[7]);
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}
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rsnd_mod_write(mod, CTU_CTUIR, 0);
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}
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static void rsnd_ctu_value_reset(struct rsnd_dai_stream *io,
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struct rsnd_mod *mod)
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{
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struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
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int i;
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if (!ctu->reset.val)
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return;
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for (i = 0; i < RSND_MAX_CHANNELS; i++) {
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ctu->pass.val[i] = 0;
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ctu->sv0.val[i] = 0;
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ctu->sv1.val[i] = 0;
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ctu->sv2.val[i] = 0;
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ctu->sv3.val[i] = 0;
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}
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ctu->reset.val = 0;
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}
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static int rsnd_ctu_init(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct rsnd_priv *priv)
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@ -164,12 +270,66 @@ static int rsnd_ctu_hw_params(struct rsnd_mod *mod,
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return 0;
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}
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static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct snd_soc_pcm_runtime *rtd)
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{
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struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
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int ret;
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/* CTU Pass */
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ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU Pass",
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NULL,
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&ctu->pass, RSND_MAX_CHANNELS,
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0xC);
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/* ROW0 */
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ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV0",
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NULL,
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&ctu->sv0, RSND_MAX_CHANNELS,
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0x00FFFFFF);
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if (ret < 0)
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return ret;
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/* ROW1 */
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ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV1",
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NULL,
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&ctu->sv1, RSND_MAX_CHANNELS,
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0x00FFFFFF);
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if (ret < 0)
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return ret;
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/* ROW2 */
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ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV2",
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NULL,
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&ctu->sv2, RSND_MAX_CHANNELS,
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0x00FFFFFF);
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if (ret < 0)
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return ret;
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/* ROW3 */
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ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV3",
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NULL,
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&ctu->sv3, RSND_MAX_CHANNELS,
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0x00FFFFFF);
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if (ret < 0)
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return ret;
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/* Reset */
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ret = rsnd_kctrl_new_s(mod, io, rtd, "CTU Reset",
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rsnd_ctu_value_reset,
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&ctu->reset, 1);
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return ret;
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}
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static struct rsnd_mod_ops rsnd_ctu_ops = {
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.name = CTU_NAME,
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.probe = rsnd_ctu_probe_,
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.init = rsnd_ctu_init,
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.quit = rsnd_ctu_quit,
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.hw_params = rsnd_ctu_hw_params,
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.pcm_new = rsnd_ctu_pcm_new,
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};
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struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id)
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