diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/renesas,rsnd.txt | 18 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/core.c | 6 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/gen.c | 3 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 15 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/ssi.c | 114 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/ssiu.c | 55 |
6 files changed, 194 insertions, 17 deletions
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt index 162e94c8305c..8ee0fa91e4a0 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt @@ -308,3 +308,21 @@ Example: simple sound card for TDM sound-dai = <&xxx>; }; }; + +Example: simple sound card for Multi channel + +&rcar_sound { + pinctrl-0 = <&sound_pins &sound_clk_pins>; + pinctrl-names = "default"; + + /* Single DAI */ + #sound-dai-cells = <0>; + + status = "okay"; + + rcar_sound,dai { + dai0 { + playback = <&ssi0 &ssi1 &ssi2 &src0 &dvc0>; + }; + }; +}; diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 7781cef634d4..ca05a0a95a4d 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -215,7 +215,11 @@ int rsnd_get_slot_num(struct rsnd_dai_stream *io) int rsnd_get_slot_width(struct rsnd_dai_stream *io) { struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); - int chan = runtime->channels / rsnd_get_slot_num(io); + int chan = runtime->channels; + + /* Multi channel Mode */ + if (rsnd_ssi_multi_slaves(io)) + chan /= rsnd_get_slot_num(io); /* TDM Extend Mode needs 8ch */ if (chan == 6) diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 7c5485e46fd7..c7aee9e59e86 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -226,6 +226,9 @@ static int rsnd_gen2_probe(struct rsnd_priv *priv) const static struct rsnd_regmap_field_conf conf_ssiu[] = { RSND_GEN_S_REG(SSI_MODE0, 0x800), RSND_GEN_S_REG(SSI_MODE1, 0x804), + RSND_GEN_S_REG(SSI_MODE2, 0x808), + RSND_GEN_S_REG(SSI_CONTROL, 0x810), + /* FIXME: it needs SSI_MODE2/3 in the future */ RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80), RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80), diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index f803e140e733..317dd793149a 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -47,6 +47,8 @@ enum rsnd_reg { RSND_REG_SSI_MODE, /* Gen2 only */ RSND_REG_SSI_MODE0, RSND_REG_SSI_MODE1, + RSND_REG_SSI_MODE2, + RSND_REG_SSI_CONTROL, RSND_REG_SSI_CTRL, /* Gen2 only */ RSND_REG_SSI_BUSIF_MODE, /* Gen2 only */ RSND_REG_SSI_BUSIF_ADINR, /* Gen2 only */ @@ -181,7 +183,10 @@ enum rsnd_mod_type { RSND_MOD_CTU, RSND_MOD_CMD, RSND_MOD_SRC, - RSND_MOD_SSIP, /* SSI parent */ + RSND_MOD_SSIM3, /* SSI multi 3 */ + RSND_MOD_SSIM2, /* SSI multi 2 */ + RSND_MOD_SSIM1, /* SSI multi 1 */ + RSND_MOD_SSIP, /* SSI parent */ RSND_MOD_SSI, RSND_MOD_SSIU, RSND_MOD_MAX, @@ -542,6 +547,7 @@ void rsnd_ssi_remove(struct rsnd_priv *priv); struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id); int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod); int rsnd_ssi_use_busif(struct rsnd_dai_stream *io); +u32 rsnd_ssi_multi_slaves(struct rsnd_dai_stream *io); #define rsnd_ssi_is_pin_sharing(io) \ __rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io)) @@ -549,10 +555,9 @@ int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod); #define rsnd_ssi_of_node(priv) \ of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ssi") -#define rsnd_parse_connect_ssi(rdai, playback, capture) \ - rsnd_parse_connect_common(rdai, rsnd_ssi_mod_get, \ - rsnd_ssi_of_node(rsnd_rdai_to_priv(rdai)), \ - playback, capture) +void rsnd_parse_connect_ssi(struct rsnd_dai *rdai, + struct device_node *playback, + struct device_node *capture); /* * R-Car SSIU diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 0b91692c5a66..7db05fdfb656 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -96,6 +96,7 @@ struct rsnd_ssi { #define rsnd_mod_to_ssi(_mod) container_of((_mod), struct rsnd_ssi, mod) #define rsnd_ssi_mode_flags(p) ((p)->flags) #define rsnd_ssi_is_parent(ssi, io) ((ssi) == rsnd_io_to_mod_ssip(io)) +#define rsnd_ssi_is_multi_slave(ssi, io) ((mod) != rsnd_io_to_mod_ssi(io)) int rsnd_ssi_use_busif(struct rsnd_dai_stream *io) { @@ -171,6 +172,41 @@ static int rsnd_ssi_irq_disable(struct rsnd_mod *ssi_mod) return 0; } +u32 rsnd_ssi_multi_slaves(struct rsnd_dai_stream *io) +{ + struct rsnd_mod *mod; + struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); + struct rsnd_priv *priv = rsnd_io_to_priv(io); + struct device *dev = rsnd_priv_to_dev(priv); + enum rsnd_mod_type types[] = { + RSND_MOD_SSIM1, + RSND_MOD_SSIM2, + RSND_MOD_SSIM3, + }; + int i, mask; + + switch (runtime->channels) { + case 2: /* Multi channel is not needed for Stereo */ + return 0; + case 6: + break; + default: + dev_err(dev, "unsupported channel\n"); + return 0; + } + + mask = 0; + for (i = 0; i < ARRAY_SIZE(types); i++) { + mod = rsnd_io_to_mod(io, types[i]); + if (!mod) + continue; + + mask |= 1 << rsnd_mod_id(mod); + } + + return mask; +} + static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, struct rsnd_dai_stream *io) { @@ -194,6 +230,9 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, if (ssi_parent_mod && !rsnd_ssi_is_parent(mod, io)) return 0; + if (rsnd_ssi_is_multi_slave(mod, io)) + return 0; + if (ssi->usrcnt > 1) { if (ssi->rate != rate) { dev_err(dev, "SSI parent/child should use same rate\n"); @@ -437,8 +476,14 @@ static int __rsnd_ssi_start(struct rsnd_mod *mod, cr = ssi->cr_own | ssi->cr_clk | - ssi->cr_mode | - EN; + ssi->cr_mode; + + /* + * EN will be set via SSIU :: SSI_CONTROL + * if Multi channel mode + */ + if (!rsnd_ssi_multi_slaves(io)) + cr |= EN; rsnd_mod_write(mod, SSICR, cr); rsnd_mod_write(mod, SSIWSR, ssi->wsr); @@ -609,6 +654,13 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod, struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); int ret; + /* + * SSIP/SSIU/IRQ are not needed on + * SSI Multi slaves + */ + if (rsnd_ssi_is_multi_slave(mod, io)) + return 0; + rsnd_ssi_parent_attach(mod, io, priv); ret = rsnd_ssiu_attach(io, mod); @@ -641,6 +693,13 @@ static int rsnd_ssi_dma_probe(struct rsnd_mod *mod, int dma_id = 0; /* not needed */ int ret; + /* + * SSIP/SSIU/IRQ/DMA are not needed on + * SSI Multi slaves + */ + if (rsnd_ssi_is_multi_slave(mod, io)) + return 0; + ret = rsnd_ssi_common_probe(mod, io, priv); if (ret) return ret; @@ -732,6 +791,57 @@ static struct rsnd_mod_ops rsnd_ssi_non_ops = { /* * ssi mod function */ +static void rsnd_ssi_connect(struct rsnd_mod *mod, + struct rsnd_dai_stream *io) +{ + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + enum rsnd_mod_type types[] = { + RSND_MOD_SSI, + RSND_MOD_SSIM1, + RSND_MOD_SSIM2, + RSND_MOD_SSIM3, + }; + enum rsnd_mod_type type; + int i; + + /* try SSI -> SSIM1 -> SSIM2 -> SSIM3 */ + for (i = 0; i < ARRAY_SIZE(types); i++) { + type = types[i]; + if (!rsnd_io_to_mod(io, type)) { + rsnd_dai_connect(mod, io, type); + rsnd_set_slot(rdai, 2 * (i + 1), (i + 1)); + return; + } + } +} + +void rsnd_parse_connect_ssi(struct rsnd_dai *rdai, + struct device_node *playback, + struct device_node *capture) +{ + struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); + struct device_node *node; + struct device_node *np; + struct rsnd_mod *mod; + int i; + + node = rsnd_ssi_of_node(priv); + if (!node) + return; + + i = 0; + for_each_child_of_node(node, np) { + mod = rsnd_ssi_mod_get(priv, i); + if (np == playback) + rsnd_ssi_connect(mod, &rdai->playback); + if (np == capture) + rsnd_ssi_connect(mod, &rdai->capture); + i++; + } + + of_node_put(node); +} + struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id) { if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv))) diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c index 7ae05a7621ae..3fe9e08e81a3 100644 --- a/sound/soc/sh/rcar/ssiu.c +++ b/sound/soc/sh/rcar/ssiu.c @@ -27,8 +27,11 @@ static int rsnd_ssiu_init(struct rsnd_mod *mod, struct rsnd_priv *priv) { struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + u32 multi_ssi_slaves = rsnd_ssi_multi_slaves(io); int use_busif = rsnd_ssi_use_busif(io); int id = rsnd_mod_id(mod); + u32 mask1, val1; + u32 mask2, val2; /* * SSI_MODE0 @@ -38,6 +41,9 @@ static int rsnd_ssiu_init(struct rsnd_mod *mod, /* * SSI_MODE1 */ + mask1 = (1 << 4) | (1 << 20); /* mask sync bit */ + mask2 = (1 << 4); /* mask sync bit */ + val1 = val2 = 0; if (rsnd_ssi_is_pin_sharing(io)) { int shift = -1; @@ -51,15 +57,36 @@ static int rsnd_ssiu_init(struct rsnd_mod *mod, case 4: shift = 16; break; + default: + return -EINVAL; } - if (shift >= 0) - rsnd_mod_bset(mod, SSI_MODE1, - 0x3 << shift, - rsnd_rdai_is_clk_master(rdai) ? - 0x2 << shift : 0x1 << shift); + mask1 |= 0x3 << shift; + val1 = rsnd_rdai_is_clk_master(rdai) ? + 0x2 << shift : 0x1 << shift; + + } else if (multi_ssi_slaves) { + + mask2 |= 0x00000007; + mask1 |= 0x0000000f; + + switch (multi_ssi_slaves) { + case 0x0206: /* SSI0/1/2/9 */ + val2 = (1 << 4) | /* SSI0129 sync */ + rsnd_rdai_is_clk_master(rdai) ? 0x2 : 0x1; + /* fall through */ + case 0x0006: /* SSI0/1/2 */ + val1 = rsnd_rdai_is_clk_master(rdai) ? + 0xa : 0x5; + + if (!val2) /* SSI012 sync */ + val1 |= (1 << 4); + } } + rsnd_mod_bset(mod, SSI_MODE1, mask1, val1); + rsnd_mod_bset(mod, SSI_MODE2, mask2, val2); + return 0; } @@ -104,8 +131,13 @@ static int rsnd_ssiu_start_gen2(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) { - if (rsnd_ssi_use_busif(io)) - rsnd_mod_write(mod, SSI_CTRL, 0x1); + if (!rsnd_ssi_use_busif(io)) + return 0; + + rsnd_mod_write(mod, SSI_CTRL, 0x1); + + if (rsnd_ssi_multi_slaves(io)) + rsnd_mod_write(mod, SSI_CONTROL, 0x1); return 0; } @@ -114,8 +146,13 @@ static int rsnd_ssiu_stop_gen2(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) { - if (rsnd_ssi_use_busif(io)) - rsnd_mod_write(mod, SSI_CTRL, 0); + if (!rsnd_ssi_use_busif(io)) + return 0; + + rsnd_mod_write(mod, SSI_CTRL, 0); + + if (rsnd_ssi_multi_slaves(io)) + rsnd_mod_write(mod, SSI_CONTROL, 0); return 0; } |
