diff options
Diffstat (limited to 'sound/soc/sh/rcar/mix.c')
| -rw-r--r-- | sound/soc/sh/rcar/mix.c | 158 |
1 files changed, 152 insertions, 6 deletions
diff --git a/sound/soc/sh/rcar/mix.c b/sound/soc/sh/rcar/mix.c index 6c4826c189a4..7998380766f6 100644 --- a/sound/soc/sh/rcar/mix.c +++ b/sound/soc/sh/rcar/mix.c @@ -7,6 +7,33 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ + +/* + * CTUn MIXn + * +------+ +------+ + * [SRC3 / SRC6] -> |CTU n0| -> [MIX n0| -> + * [SRC4 / SRC9] -> |CTU n1| -> [MIX n1| -> + * [SRC0 / SRC1] -> |CTU n2| -> [MIX n2| -> + * [SRC2 / SRC5] -> |CTU n3| -> [MIX n3| -> + * +------+ +------+ + * + * ex) + * DAI0 : playback = <&src0 &ctu02 &mix0 &dvc0 &ssi0>; + * DAI1 : playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>; + * + * MIX Volume + * amixer set "MIX",0 100% // DAI0 Volume + * amixer set "MIX",1 100% // DAI1 Volume + * + * Volume Ramp + * amixer set "MIX Ramp Up Rate" "0.125 dB/1 step" + * amixer set "MIX Ramp Down Rate" "4 dB/1 step" + * amixer set "MIX Ramp" on + * aplay xxx.wav & + * amixer set "MIX",0 80% // DAI0 Volume Down + * amixer set "MIX",1 100% // DAI1 Volume Up + */ + #include "rsnd.h" #define MIX_NAME_SIZE 16 @@ -14,8 +41,27 @@ struct rsnd_mix { struct rsnd_mod mod; + struct rsnd_kctrl_cfg_s volumeA; /* MDBAR */ + struct rsnd_kctrl_cfg_s volumeB; /* MDBBR */ + struct rsnd_kctrl_cfg_s volumeC; /* MDBCR */ + struct rsnd_kctrl_cfg_s volumeD; /* MDBDR */ + struct rsnd_kctrl_cfg_s ren; /* Ramp Enable */ + struct rsnd_kctrl_cfg_s rup; /* Ramp Rate Up */ + struct rsnd_kctrl_cfg_s rdw; /* Ramp Rate Down */ + u32 flags; }; +#define ONCE_KCTRL_INITIALIZED (1 << 0) +#define HAS_VOLA (1 << 1) +#define HAS_VOLB (1 << 2) +#define HAS_VOLC (1 << 3) +#define HAS_VOLD (1 << 4) + +#define VOL_MAX 0x3ff + +#define rsnd_mod_to_mix(_mod) \ + container_of((_mod), struct rsnd_mix, mod) + #define rsnd_mix_get(priv, id) ((struct rsnd_mix *)(priv->mix) + id) #define rsnd_mix_nr(priv) ((priv)->mix_nr) #define for_each_rsnd_mix(pos, priv, i) \ @@ -36,26 +82,43 @@ static void rsnd_mix_halt(struct rsnd_mod *mod) rsnd_mod_write(mod, MIX_SWRSR, 0); } +#define rsnd_mix_get_vol(mix, X) \ + rsnd_flags_has(mix, HAS_VOL##X) ? \ + (VOL_MAX - rsnd_kctrl_vals(mix->volume##X)) : 0 static void rsnd_mix_volume_parameter(struct rsnd_dai_stream *io, struct rsnd_mod *mod) { - rsnd_mod_write(mod, MIX_MDBAR, 0); - rsnd_mod_write(mod, MIX_MDBBR, 0); - rsnd_mod_write(mod, MIX_MDBCR, 0); - rsnd_mod_write(mod, MIX_MDBDR, 0); + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct device *dev = rsnd_priv_to_dev(priv); + struct rsnd_mix *mix = rsnd_mod_to_mix(mod); + u32 volA = rsnd_mix_get_vol(mix, A); + u32 volB = rsnd_mix_get_vol(mix, B); + u32 volC = rsnd_mix_get_vol(mix, C); + u32 volD = rsnd_mix_get_vol(mix, D); + + dev_dbg(dev, "MIX A/B/C/D = %02x/%02x/%02x/%02x\n", + volA, volB, volC, volD); + + rsnd_mod_write(mod, MIX_MDBAR, volA); + rsnd_mod_write(mod, MIX_MDBBR, volB); + rsnd_mod_write(mod, MIX_MDBCR, volC); + rsnd_mod_write(mod, MIX_MDBDR, volD); } static void rsnd_mix_volume_init(struct rsnd_dai_stream *io, struct rsnd_mod *mod) { + struct rsnd_mix *mix = rsnd_mod_to_mix(mod); + rsnd_mod_write(mod, MIX_MIXIR, 1); /* General Information */ rsnd_mod_write(mod, MIX_ADINR, rsnd_runtime_channel_after_ctu(io)); /* volume step */ - rsnd_mod_write(mod, MIX_MIXMR, 0); - rsnd_mod_write(mod, MIX_MVPDR, 0); + rsnd_mod_write(mod, MIX_MIXMR, rsnd_kctrl_vals(mix->ren)); + rsnd_mod_write(mod, MIX_MVPDR, rsnd_kctrl_vals(mix->rup) << 8 | + rsnd_kctrl_vals(mix->rdw)); /* common volume parameter */ rsnd_mix_volume_parameter(io, mod); @@ -109,11 +172,94 @@ static int rsnd_mix_quit(struct rsnd_mod *mod, return 0; } +static int rsnd_mix_pcm_new(struct rsnd_mod *mod, + struct rsnd_dai_stream *io, + struct snd_soc_pcm_runtime *rtd) +{ + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct device *dev = rsnd_priv_to_dev(priv); + struct rsnd_mix *mix = rsnd_mod_to_mix(mod); + struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); + struct rsnd_kctrl_cfg_s *volume; + int ret; + + switch (rsnd_mod_id(src_mod)) { + case 3: + case 6: /* MDBAR */ + volume = &mix->volumeA; + rsnd_flags_set(mix, HAS_VOLA); + break; + case 4: + case 9: /* MDBBR */ + volume = &mix->volumeB; + rsnd_flags_set(mix, HAS_VOLB); + break; + case 0: + case 1: /* MDBCR */ + volume = &mix->volumeC; + rsnd_flags_set(mix, HAS_VOLC); + break; + case 2: + case 5: /* MDBDR */ + volume = &mix->volumeD; + rsnd_flags_set(mix, HAS_VOLD); + break; + default: + dev_err(dev, "unknown SRC is connected\n"); + return -EINVAL; + } + + /* Volume */ + ret = rsnd_kctrl_new_s(mod, io, rtd, + "MIX Playback Volume", + rsnd_kctrl_accept_anytime, + rsnd_mix_volume_update, + volume, VOL_MAX); + if (ret < 0) + return ret; + rsnd_kctrl_vals(*volume) = VOL_MAX; + + if (rsnd_flags_has(mix, ONCE_KCTRL_INITIALIZED)) + return ret; + + /* Ramp */ + ret = rsnd_kctrl_new_s(mod, io, rtd, + "MIX Ramp Switch", + rsnd_kctrl_accept_anytime, + rsnd_mix_volume_update, + &mix->ren, 1); + if (ret < 0) + return ret; + + ret = rsnd_kctrl_new_e(mod, io, rtd, + "MIX Ramp Up Rate", + rsnd_kctrl_accept_anytime, + rsnd_mix_volume_update, + &mix->rup, + volume_ramp_rate, + VOLUME_RAMP_MAX_MIX); + if (ret < 0) + return ret; + + ret = rsnd_kctrl_new_e(mod, io, rtd, + "MIX Ramp Down Rate", + rsnd_kctrl_accept_anytime, + rsnd_mix_volume_update, + &mix->rdw, + volume_ramp_rate, + VOLUME_RAMP_MAX_MIX); + + rsnd_flags_set(mix, ONCE_KCTRL_INITIALIZED); + + return ret; +} + static struct rsnd_mod_ops rsnd_mix_ops = { .name = MIX_NAME, .probe = rsnd_mix_probe_, .init = rsnd_mix_init, .quit = rsnd_mix_quit, + .pcm_new = rsnd_mix_pcm_new, }; struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id) |