diff options
author | Dragos Tarcatu <dragos_tarcatu@mentor.com> | 2018-09-03 07:05:42 +0000 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2018-09-03 14:37:12 +0100 |
commit | fb2815f44a9eb341ed8990263855a266960a5135 (patch) | |
tree | 137eeb167b11b2ee751ea2b0010d928386d4ad62 /sound/soc/sh/rcar/core.c | |
parent | b5c088689847372794500f83b65673aaa8ca4d8d (diff) |
ASoC: rsnd: add support for 16/24 bit slot widths
The slot width (system word length) was fixed at 32 bits.
This patch allows also setting it to 16 or 24 bits.
Signed-off-by: Dragos Tarcatu <dragos_tarcatu@mentor.com>
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>
[Kuninori: tidyup for upstream]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh/rcar/core.c')
-rw-r--r-- | sound/soc/sh/rcar/core.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index ab7e317bbed8..ce0a3a61c441 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -540,6 +540,14 @@ int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai, return rdai->ssi_lane; } +int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width) +{ + if (width > 0) + rdai->chan_width = width; + + return rdai->chan_width; +} + struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) { if ((id < 0) || (id >= rsnd_rdai_nr(priv))) @@ -720,6 +728,16 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); struct device *dev = rsnd_priv_to_dev(priv); + switch (slot_width) { + case 16: + case 24: + case 32: + break; + default: + dev_err(dev, "unsupported slot width value: %d\n", slot_width); + return -EINVAL; + } + switch (slots) { case 2: case 6: @@ -727,6 +745,7 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, /* TDM Extend Mode */ rsnd_rdai_channels_set(rdai, slots); rsnd_rdai_ssi_lane_set(rdai, 1); + rsnd_rdai_width_set(rdai, slot_width); break; default: dev_err(dev, "unsupported TDM slots (%d)\n", slots); @@ -755,7 +774,7 @@ static unsigned int rsnd_soc_hw_rate_list[] = { 192000, }; -static int rsnd_soc_hw_rule(struct rsnd_priv *priv, +static int rsnd_soc_hw_rule(struct rsnd_dai *rdai, unsigned int *list, int list_num, struct snd_interval *baseline, struct snd_interval *iv) { @@ -772,14 +791,14 @@ static int rsnd_soc_hw_rule(struct rsnd_priv *priv, if (!snd_interval_test(iv, list[i])) continue; - rate = rsnd_ssi_clk_query(priv, + rate = rsnd_ssi_clk_query(rdai, baseline->min, list[i], NULL); if (rate > 0) { p.min = min(p.min, list[i]); p.max = max(p.max, list[i]); } - rate = rsnd_ssi_clk_query(priv, + rate = rsnd_ssi_clk_query(rdai, baseline->max, list[i], NULL); if (rate > 0) { p.min = min(p.min, list[i]); @@ -799,7 +818,6 @@ static int __rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params, struct snd_interval ic; struct snd_soc_dai *dai = rule->private; struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); - struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture; /* @@ -811,7 +829,7 @@ static int __rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params, ic.min = ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params); - return rsnd_soc_hw_rule(priv, rsnd_soc_hw_rate_list, + return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_rate_list, ARRAY_SIZE(rsnd_soc_hw_rate_list), &ic, ir); } @@ -837,7 +855,6 @@ static int __rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params, struct snd_interval ic; struct snd_soc_dai *dai = rule->private; struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); - struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture; /* @@ -849,7 +866,7 @@ static int __rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params, ic.min = ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params); - return rsnd_soc_hw_rule(priv, rsnd_soc_hw_channels_list, + return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_channels_list, ARRAY_SIZE(rsnd_soc_hw_channels_list), ir, &ic); } @@ -1072,6 +1089,7 @@ static void __rsnd_dai_probe(struct rsnd_priv *priv, rdai->capture.rdai = rdai; rsnd_rdai_channels_set(rdai, 2); /* default 2ch */ rsnd_rdai_ssi_lane_set(rdai, 1); /* default 1lane */ + rsnd_rdai_width_set(rdai, 32); /* default 32bit width */ for (io_i = 0;; io_i++) { playback = of_parse_phandle(dai_np, "playback", io_i); |