From ca16cc61592377ebd48d5f22fd823b592c80038e Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Wed, 4 Nov 2015 08:44:12 +0000 Subject: [PATCH] ASoC: rsnd: DVC settings matches to datasheet Current DVC settings order was rough. This patch makes it match to datasheet. Signed-off-by: Kuninori Morimoto Signed-off-by: Mark Brown --- sound/soc/sh/rcar/dvc.c | 119 ++++++++++++++++++++++++++-------------- 1 file changed, 77 insertions(+), 42 deletions(-) diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c index 651c057b2113..0dc8a2a99fa4 100644 --- a/sound/soc/sh/rcar/dvc.c +++ b/sound/soc/sh/rcar/dvc.c @@ -70,65 +70,105 @@ static void rsnd_dvc_soft_reset(struct rsnd_mod *mod) rsnd_mod_write(mod, DVC_SWRSR, 1); } -#define rsnd_dvc_initialize_lock(mod) __rsnd_dvc_initialize_lock(mod, 1) -#define rsnd_dvc_initialize_unlock(mod) __rsnd_dvc_initialize_lock(mod, 0) -static void __rsnd_dvc_initialize_lock(struct rsnd_mod *mod, u32 enable) -{ - rsnd_mod_write(mod, DVC_DVUIR, enable); -} +#define rsnd_dvc_get_vrpdr(dvc) (dvc->rup.val << 8 | dvc->rdown.val) +#define rsnd_dvc_get_vrdbr(dvc) (0x3ff - (dvc->volume.val[0] >> 13)) -static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io, - struct rsnd_mod *mod) +static void rsnd_dvc_volume_parameter(struct rsnd_dai_stream *io, + struct rsnd_mod *mod) { struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod); u32 val[RSND_DVC_CHANNELS]; - u32 dvucr = 0; - u32 mute = 0; int i; - for (i = 0; i < dvc->mute.cfg.size; i++) - mute |= (!!dvc->mute.cfg.val[i]) << i; + /* Enable Ramp */ + if (dvc->ren.val) + for (i = 0; i < RSND_DVC_CHANNELS; i++) + val[i] = dvc->volume.cfg.max; + else + for (i = 0; i < RSND_DVC_CHANNELS; i++) + val[i] = dvc->volume.val[i]; - /* Disable DVC Register access */ - rsnd_mod_write(mod, DVC_DVUER, 0); + /* Enable Digital Volume */ + rsnd_mod_write(mod, DVC_VOL0R, val[0]); + rsnd_mod_write(mod, DVC_VOL1R, val[1]); +} + +static void rsnd_dvc_volume_init(struct rsnd_dai_stream *io, + struct rsnd_mod *mod) +{ + struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod); + u32 dvucr = 0; + u32 vrctr = 0; + u32 vrpdr = 0; + u32 vrdbr = 0; + + /* Enable Digital Volume, Zero Cross Mute Mode */ + dvucr |= 0x101; /* Enable Ramp */ if (dvc->ren.val) { dvucr |= 0x10; - /* Digital Volume Max */ - for (i = 0; i < RSND_DVC_CHANNELS; i++) - val[i] = dvc->volume.cfg.max; - - rsnd_mod_write(mod, DVC_VRCTR, 0xff); - rsnd_mod_write(mod, DVC_VRPDR, dvc->rup.val << 8 | - dvc->rdown.val); /* * FIXME !! * use scale-downed Digital Volume * as Volume Ramp * 7F FFFF -> 3FF */ - rsnd_mod_write(mod, DVC_VRDBR, - 0x3ff - (dvc->volume.val[0] >> 13)); - - } else { - for (i = 0; i < RSND_DVC_CHANNELS; i++) - val[i] = dvc->volume.val[i]; + vrctr = 0xff; + vrpdr = rsnd_dvc_get_vrpdr(dvc); + vrdbr = rsnd_dvc_get_vrdbr(dvc); } - /* Enable Digital Volume */ - dvucr |= 0x100; - rsnd_mod_write(mod, DVC_VOL0R, val[0]); - rsnd_mod_write(mod, DVC_VOL1R, val[1]); + /* Initialize operation */ + rsnd_mod_write(mod, DVC_DVUIR, 1); + + /* General Information */ + rsnd_mod_write(mod, DVC_ADINR, rsnd_get_adinr_bit(mod, io)); + rsnd_mod_write(mod, DVC_DVUCR, dvucr); + + /* Volume Ramp Parameter */ + rsnd_mod_write(mod, DVC_VRCTR, vrctr); + rsnd_mod_write(mod, DVC_VRPDR, vrpdr); + rsnd_mod_write(mod, DVC_VRDBR, vrdbr); + + /* Digital Volume Function Parameter */ + rsnd_dvc_volume_parameter(io, mod); + + /* cancel operation */ + rsnd_mod_write(mod, DVC_DVUIR, 0); +} + +static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io, + struct rsnd_mod *mod) +{ + struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod); + u32 zcmcr = 0; + u32 vrpdr = 0; + u32 vrdbr = 0; + int i; + + for (i = 0; i < dvc->mute.cfg.size; i++) + zcmcr |= (!!dvc->mute.cfg.val[i]) << i; - /* Enable Mute */ - if (mute) { - dvucr |= 0x1; - rsnd_mod_write(mod, DVC_ZCMCR, mute); + if (dvc->ren.val) { + vrpdr = rsnd_dvc_get_vrpdr(dvc); + vrdbr = rsnd_dvc_get_vrdbr(dvc); } - rsnd_mod_write(mod, DVC_DVUCR, dvucr); + /* Disable DVC Register access */ + rsnd_mod_write(mod, DVC_DVUER, 0); + + /* Zero Cross Mute Function */ + rsnd_mod_write(mod, DVC_ZCMCR, zcmcr); + + /* Volume Ramp Function */ + rsnd_mod_write(mod, DVC_VRPDR, vrpdr); + rsnd_mod_write(mod, DVC_VRDBR, vrdbr); + /* add DVC_VRWTR here */ + + /* Digital Volume Function Parameter */ + rsnd_dvc_volume_parameter(io, mod); /* Enable DVC Register access */ rsnd_mod_write(mod, DVC_DVUER, 1); @@ -164,15 +204,10 @@ static int rsnd_dvc_init(struct rsnd_mod *mod, rsnd_dvc_soft_reset(mod); - rsnd_dvc_initialize_lock(mod); + rsnd_dvc_volume_init(io, mod); - rsnd_mod_write(mod, DVC_ADINR, rsnd_get_adinr_bit(mod, io)); - - /* ch0/ch1 Volume */ rsnd_dvc_volume_update(io, mod); - rsnd_dvc_initialize_unlock(mod); - return 0; } -- 2.45.2