Commit ec2ac01a authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown

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: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent eed76bb8
......@@ -12,8 +12,74 @@
#define CTU_NAME_SIZE 16
#define CTU_NAME "ctu"
/*
* User needs to setup CTU by amixer, and its settings are
* based on below registers
*
* CTUn_CPMDR : amixser set "CTU Pass"
* CTUn_SV0xR : amixser set "CTU SV0"
* CTUn_SV1xR : amixser set "CTU SV1"
* CTUn_SV2xR : amixser set "CTU SV2"
* CTUn_SV3xR : amixser set "CTU SV3"
*
* [CTU Pass]
* 0000: default
* 0001: Connect input data of channel 0
* 0010: Connect input data of channel 1
* 0011: Connect input data of channel 2
* 0100: Connect input data of channel 3
* 0101: Connect input data of channel 4
* 0110: Connect input data of channel 5
* 0111: Connect input data of channel 6
* 1000: Connect input data of channel 7
* 1001: Connect calculated data by scale values of matrix row 0
* 1010: Connect calculated data by scale values of matrix row 1
* 1011: Connect calculated data by scale values of matrix row 2
* 1100: Connect calculated data by scale values of matrix row 3
*
* [CTU SVx]
* [Output0] = [SV00, SV01, SV02, SV03, SV04, SV05, SV06, SV07]
* [Output1] = [SV10, SV11, SV12, SV13, SV14, SV15, SV16, SV17]
* [Output2] = [SV20, SV21, SV22, SV23, SV24, SV25, SV26, SV27]
* [Output3] = [SV30, SV31, SV32, SV33, SV34, SV35, SV36, SV37]
* [Output4] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
* [Output5] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
* [Output6] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
* [Output7] = [ 0, 0, 0, 0, 0, 0, 0, 0 ]
*
* [SVxx]
* Plus Minus
* value time dB value time dB
* -----------------------------------------------------------------------
* H'7F_FFFF 2 6 H'80_0000 2 6
* ...
* H'40_0000 1 0 H'C0_0000 1 0
* ...
* H'00_0001 2.38 x 10^-7 -132
* H'00_0000 0 Mute H'FF_FFFF 2.38 x 10^-7 -132
*
*
* Ex) Input ch -> Output ch
* 1ch -> 0ch
* 0ch -> 1ch
*
* amixer set "CTU Reset" on
* amixer set "CTU Pass" 9,10
* amixer set "CTU SV0" 0,4194304
* amixer set "CTU SV1" 4194304,0
* or
* amixer set "CTU Reset" on
* amixer set "CTU Pass" 2,1
*/
struct rsnd_ctu {
struct rsnd_mod mod;
struct rsnd_kctrl_cfg_m pass;
struct rsnd_kctrl_cfg_m sv0;
struct rsnd_kctrl_cfg_m sv1;
struct rsnd_kctrl_cfg_m sv2;
struct rsnd_kctrl_cfg_m sv3;
struct rsnd_kctrl_cfg_s reset;
int channels;
};
......@@ -58,51 +124,91 @@ static int rsnd_ctu_probe_(struct rsnd_mod *mod,
static void rsnd_ctu_value_init(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
u32 cpmdr = 0;
u32 scmdr = 0;
int i;
for (i = 0; i < RSND_MAX_CHANNELS; i++) {
u32 val = ctu->pass.val[i];
cpmdr |= val << (28 - (i * 4));
if ((val > 0x8) && (scmdr < (val - 0x8)))
scmdr = val - 0x8;
}
rsnd_mod_write(mod, CTU_CTUIR, 1);
rsnd_mod_write(mod, CTU_ADINR, rsnd_runtime_channel_original(io));
rsnd_mod_write(mod, CTU_CPMDR, 0);
rsnd_mod_write(mod, CTU_SCMDR, 0);
rsnd_mod_write(mod, CTU_SV00R, 0);
rsnd_mod_write(mod, CTU_SV01R, 0);
rsnd_mod_write(mod, CTU_SV02R, 0);
rsnd_mod_write(mod, CTU_SV03R, 0);
rsnd_mod_write(mod, CTU_SV04R, 0);
rsnd_mod_write(mod, CTU_SV05R, 0);
rsnd_mod_write(mod, CTU_SV06R, 0);
rsnd_mod_write(mod, CTU_SV07R, 0);
rsnd_mod_write(mod, CTU_SV10R, 0);
rsnd_mod_write(mod, CTU_SV11R, 0);
rsnd_mod_write(mod, CTU_SV12R, 0);
rsnd_mod_write(mod, CTU_SV13R, 0);
rsnd_mod_write(mod, CTU_SV14R, 0);
rsnd_mod_write(mod, CTU_SV15R, 0);
rsnd_mod_write(mod, CTU_SV16R, 0);
rsnd_mod_write(mod, CTU_SV17R, 0);
rsnd_mod_write(mod, CTU_SV20R, 0);
rsnd_mod_write(mod, CTU_SV21R, 0);
rsnd_mod_write(mod, CTU_SV22R, 0);
rsnd_mod_write(mod, CTU_SV23R, 0);
rsnd_mod_write(mod, CTU_SV24R, 0);
rsnd_mod_write(mod, CTU_SV25R, 0);
rsnd_mod_write(mod, CTU_SV26R, 0);
rsnd_mod_write(mod, CTU_SV27R, 0);
rsnd_mod_write(mod, CTU_SV30R, 0);
rsnd_mod_write(mod, CTU_SV31R, 0);
rsnd_mod_write(mod, CTU_SV32R, 0);
rsnd_mod_write(mod, CTU_SV33R, 0);
rsnd_mod_write(mod, CTU_SV34R, 0);
rsnd_mod_write(mod, CTU_SV35R, 0);
rsnd_mod_write(mod, CTU_SV36R, 0);
rsnd_mod_write(mod, CTU_SV37R, 0);
rsnd_mod_write(mod, CTU_CPMDR, cpmdr);
rsnd_mod_write(mod, CTU_SCMDR, scmdr);
if (scmdr > 0) {
rsnd_mod_write(mod, CTU_SV00R, ctu->sv0.val[0]);
rsnd_mod_write(mod, CTU_SV01R, ctu->sv0.val[1]);
rsnd_mod_write(mod, CTU_SV02R, ctu->sv0.val[2]);
rsnd_mod_write(mod, CTU_SV03R, ctu->sv0.val[3]);
rsnd_mod_write(mod, CTU_SV04R, ctu->sv0.val[4]);
rsnd_mod_write(mod, CTU_SV05R, ctu->sv0.val[5]);
rsnd_mod_write(mod, CTU_SV06R, ctu->sv0.val[6]);
rsnd_mod_write(mod, CTU_SV07R, ctu->sv0.val[7]);
}
if (scmdr > 1) {
rsnd_mod_write(mod, CTU_SV10R, ctu->sv1.val[0]);
rsnd_mod_write(mod, CTU_SV11R, ctu->sv1.val[1]);
rsnd_mod_write(mod, CTU_SV12R, ctu->sv1.val[2]);
rsnd_mod_write(mod, CTU_SV13R, ctu->sv1.val[3]);
rsnd_mod_write(mod, CTU_SV14R, ctu->sv1.val[4]);
rsnd_mod_write(mod, CTU_SV15R, ctu->sv1.val[5]);
rsnd_mod_write(mod, CTU_SV16R, ctu->sv1.val[6]);
rsnd_mod_write(mod, CTU_SV17R, ctu->sv1.val[7]);
}
if (scmdr > 2) {
rsnd_mod_write(mod, CTU_SV20R, ctu->sv2.val[0]);
rsnd_mod_write(mod, CTU_SV21R, ctu->sv2.val[1]);
rsnd_mod_write(mod, CTU_SV22R, ctu->sv2.val[2]);
rsnd_mod_write(mod, CTU_SV23R, ctu->sv2.val[3]);
rsnd_mod_write(mod, CTU_SV24R, ctu->sv2.val[4]);
rsnd_mod_write(mod, CTU_SV25R, ctu->sv2.val[5]);
rsnd_mod_write(mod, CTU_SV26R, ctu->sv2.val[6]);
rsnd_mod_write(mod, CTU_SV27R, ctu->sv2.val[7]);
}
if (scmdr > 3) {
rsnd_mod_write(mod, CTU_SV30R, ctu->sv3.val[0]);
rsnd_mod_write(mod, CTU_SV31R, ctu->sv3.val[1]);
rsnd_mod_write(mod, CTU_SV32R, ctu->sv3.val[2]);
rsnd_mod_write(mod, CTU_SV33R, ctu->sv3.val[3]);
rsnd_mod_write(mod, CTU_SV34R, ctu->sv3.val[4]);
rsnd_mod_write(mod, CTU_SV35R, ctu->sv3.val[5]);
rsnd_mod_write(mod, CTU_SV36R, ctu->sv3.val[6]);
rsnd_mod_write(mod, CTU_SV37R, ctu->sv3.val[7]);
}
rsnd_mod_write(mod, CTU_CTUIR, 0);
}
static void rsnd_ctu_value_reset(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
int i;
if (!ctu->reset.val)
return;
for (i = 0; i < RSND_MAX_CHANNELS; i++) {
ctu->pass.val[i] = 0;
ctu->sv0.val[i] = 0;
ctu->sv1.val[i] = 0;
ctu->sv2.val[i] = 0;
ctu->sv3.val[i] = 0;
}
ctu->reset.val = 0;
}
static int rsnd_ctu_init(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
......@@ -164,12 +270,66 @@ static int rsnd_ctu_hw_params(struct rsnd_mod *mod,
return 0;
}
static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct snd_soc_pcm_runtime *rtd)
{
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
int ret;
/* CTU Pass */
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU Pass",
NULL,
&ctu->pass, RSND_MAX_CHANNELS,
0xC);
/* ROW0 */
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV0",
NULL,
&ctu->sv0, RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
/* ROW1 */
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV1",
NULL,
&ctu->sv1, RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
/* ROW2 */
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV2",
NULL,
&ctu->sv2, RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
/* ROW3 */
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV3",
NULL,
&ctu->sv3, RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
/* Reset */
ret = rsnd_kctrl_new_s(mod, io, rtd, "CTU Reset",
rsnd_ctu_value_reset,
&ctu->reset, 1);
return ret;
}
static struct rsnd_mod_ops rsnd_ctu_ops = {
.name = CTU_NAME,
.probe = rsnd_ctu_probe_,
.init = rsnd_ctu_init,
.quit = rsnd_ctu_quit,
.hw_params = rsnd_ctu_hw_params,
.pcm_new = rsnd_ctu_pcm_new,
};
struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id)
......
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