From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
Current BSDSR/BSDISR are using temporary/generic settings, but it can't handle all SRCx/SoC. It needs to handle correctry. Otherwise, sampling rate converted sound channel will be broken if it was TDM. One note is that it needs to overwrite settings on E3 case.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Tested-by: chaoliang qin chaoliang.qin.jg@renesas.com Tested-by: Yusuke Goda yusuke.goda.sx@renesas.com --- sound/soc/sh/rcar/src.c | 125 ++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 115 insertions(+), 10 deletions(-)
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 50348a2..db81e06 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -14,6 +14,7 @@ */
#include "rsnd.h" +#include <linux/sys_soc.h>
#define SRC_NAME "src"
@@ -134,20 +135,83 @@ unsigned int rsnd_src_get_rate(struct rsnd_priv *priv, return rate; }
+const static u32 bsdsr_table_pattern1[] = { + 0x01800000, /* 6 - 1/6 */ + 0x01000000, /* 6 - 1/4 */ + 0x00c00000, /* 6 - 1/3 */ + 0x00800000, /* 6 - 1/2 */ + 0x00600000, /* 6 - 2/3 */ + 0x00400000, /* 6 - 1 */ +}; + +const static u32 bsdsr_table_pattern2[] = { + 0x02400000, /* 6 - 1/6 */ + 0x01800000, /* 6 - 1/4 */ + 0x01200000, /* 6 - 1/3 */ + 0x00c00000, /* 6 - 1/2 */ + 0x00900000, /* 6 - 2/3 */ + 0x00600000, /* 6 - 1 */ +}; + +const static u32 bsisr_table[] = { + 0x00100060, /* 6 - 1/6 */ + 0x00100040, /* 6 - 1/4 */ + 0x00100030, /* 6 - 1/3 */ + 0x00100020, /* 6 - 1/2 */ + 0x00100020, /* 6 - 2/3 */ + 0x00100020, /* 6 - 1 */ +}; + +const static u32 chan288888[] = { + 0x00000006, /* 1 to 2 */ + 0x000001fe, /* 1 to 8 */ + 0x000001fe, /* 1 to 8 */ + 0x000001fe, /* 1 to 8 */ + 0x000001fe, /* 1 to 8 */ + 0x000001fe, /* 1 to 8 */ +}; + +const static u32 chan244888[] = { + 0x00000006, /* 1 to 2 */ + 0x0000001e, /* 1 to 4 */ + 0x0000001e, /* 1 to 4 */ + 0x000001fe, /* 1 to 8 */ + 0x000001fe, /* 1 to 8 */ + 0x000001fe, /* 1 to 8 */ +}; + +const static u32 chan222222[] = { + 0x00000006, /* 1 to 2 */ + 0x00000006, /* 1 to 2 */ + 0x00000006, /* 1 to 2 */ + 0x00000006, /* 1 to 2 */ + 0x00000006, /* 1 to 2 */ + 0x00000006, /* 1 to 2 */ +}; + +static const struct soc_device_attribute ov_soc[] = { + { .soc_id = "r8a77990" }, /* E3 */ + { /* sentinel */ } +}; + static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, struct rsnd_mod *mod) { struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); + const struct soc_device_attribute *soc = soc_device_match(ov_soc); int is_play = rsnd_io_is_play(io); int use_src = 0; u32 fin, fout; u32 ifscr, fsrate, adinr; u32 cr, route; - u32 bsdsr, bsisr; u32 i_busif, o_busif, tmp; + const u32 *bsdsr_table; + const u32 *chptn; uint ratio; + int chan; + int idx;
if (!runtime) return; @@ -155,6 +219,8 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, fin = rsnd_src_get_in_rate(priv, io); fout = rsnd_src_get_out_rate(priv, io);
+ chan = rsnd_runtime_channel_original(io); + /* 6 - 1/6 are very enough ratio for SRC_BSDSR */ if (fin == fout) ratio = 0; @@ -173,8 +239,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, /* * SRC_ADINR */ - adinr = rsnd_get_adinr_bit(mod, io) | - rsnd_runtime_channel_original(io); + adinr = rsnd_get_adinr_bit(mod, io) | chan;
/* * SRC_IFSCR / SRC_IFSVR @@ -207,21 +272,56 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
/* * SRC_BSDSR / SRC_BSISR + * + * see + * Combination of Register Setting Related to + * FSO/FSI Ratio and Channel, Latency */ switch (rsnd_mod_id(mod)) { + case 0: + chptn = chan288888; + bsdsr_table = bsdsr_table_pattern1; + break; + case 1: + case 3: + case 4: + chptn = chan244888; + bsdsr_table = bsdsr_table_pattern1; + break; + case 2: + case 9: + chptn = chan222222; + bsdsr_table = bsdsr_table_pattern1; + break; case 5: case 6: case 7: case 8: - bsdsr = 0x02400000; /* 6 - 1/6 */ - bsisr = 0x00100060; /* 6 - 1/6 */ + chptn = chan222222; + bsdsr_table = bsdsr_table_pattern2; break; default: - bsdsr = 0x01800000; /* 6 - 1/6 */ - bsisr = 0x00100060 ;/* 6 - 1/6 */ - break; + goto convert_rate_err; }
+ /* + * E3 need to overwrite + */ + if (soc) + switch (rsnd_mod_id(mod)) { + case 0: + case 4: + chptn = chan222222; + } + + for (idx = 0; idx < ARRAY_SIZE(chan222222); idx++) + if (chptn[idx] & (1 << chan)) + break; + + if (chan > 8 || + idx >= ARRAY_SIZE(chan222222)) + goto convert_rate_err; + /* BUSIF_MODE */ tmp = rsnd_get_busif_shift(io, mod); i_busif = ( is_play ? tmp : 0) | 1; @@ -234,8 +334,8 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, rsnd_mod_write(mod, SRC_IFSCR, ifscr); rsnd_mod_write(mod, SRC_IFSVR, fsrate); rsnd_mod_write(mod, SRC_SRCCR, cr); - rsnd_mod_write(mod, SRC_BSDSR, bsdsr); - rsnd_mod_write(mod, SRC_BSISR, bsisr); + rsnd_mod_write(mod, SRC_BSDSR, bsdsr_table[idx]); + rsnd_mod_write(mod, SRC_BSISR, bsisr_table[idx]); rsnd_mod_write(mod, SRC_SRCIR, 0); /* cancel initialize */
rsnd_mod_write(mod, SRC_I_BUSIF_MODE, i_busif); @@ -244,6 +344,11 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, rsnd_mod_write(mod, SRC_BUSIF_DALIGN, rsnd_get_dalign(mod, io));
rsnd_adg_set_src_timesel_gen2(mod, io, fin, fout); + + return; + +convert_rate_err: + dev_err(dev, "unknown BSDSR/BSDIR settings\n"); }
static int rsnd_src_irq(struct rsnd_mod *mod,