diff options
Diffstat (limited to 'sound/soc/sh/rcar/core.c')
-rw-r--r-- | sound/soc/sh/rcar/core.c | 250 |
1 files changed, 219 insertions, 31 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 7c68f9d4a0ed..3f2ced26ed37 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -203,27 +203,6 @@ int rsnd_io_is_working(struct rsnd_dai_stream *io) return !!io->substream; } -void rsnd_set_slot(struct rsnd_dai *rdai, - int slots, int num) -{ - rdai->slots = slots; - rdai->slots_num = num; -} - -int rsnd_get_slot(struct rsnd_dai_stream *io) -{ - struct rsnd_dai *rdai = rsnd_io_to_rdai(io); - - return rdai->slots; -} - -int rsnd_get_slot_num(struct rsnd_dai_stream *io) -{ - struct rsnd_dai *rdai = rsnd_io_to_rdai(io); - - return rdai->slots_num; -} - int rsnd_runtime_channel_original(struct rsnd_dai_stream *io) { struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); @@ -248,13 +227,14 @@ int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io) int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io) { + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); int chan = rsnd_io_is_play(io) ? rsnd_runtime_channel_after_ctu(io) : rsnd_runtime_channel_original(io); /* Use Multi SSI */ if (rsnd_runtime_is_ssi_multi(io)) - chan /= rsnd_get_slot_num(io); + chan /= rsnd_rdai_ssi_lane_get(rdai); /* TDM Extend Mode needs 8ch */ if (chan == 6) @@ -265,12 +245,13 @@ int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io) int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io) { - int slots = rsnd_get_slot_num(io); + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + int lane = rsnd_rdai_ssi_lane_get(rdai); int chan = rsnd_io_is_play(io) ? rsnd_runtime_channel_after_ctu(io) : rsnd_runtime_channel_original(io); - return (chan >= 6) && (slots > 1); + return (chan > 2) && (lane > 1); } int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io) @@ -310,6 +291,24 @@ u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) u32 val = 0x76543210; u32 mask = ~0; + /* + * *Hardware* L/R and *Software* L/R are inverted. + * We need to care about inversion timing to control + * Playback/Capture correctly. + * The point is [DVC] needs *Hardware* L/R, [MEM] needs *Software* L/R + * + * sL/R : software L/R + * hL/R : hardware L/R + * (*) : conversion timing + * + * Playback + * sL/R (*) hL/R hL/R hL/R hL/R hL/R + * [MEM] -> [SRC] -> [DVC] -> [CMD] -> [SSIU] -> [SSI] -> codec + * + * Capture + * hL/R hL/R hL/R hL/R hL/R (*) sL/R + * codec -> [SSI] -> [SSIU] -> [SRC] -> [DVC] -> [CMD] -> [MEM] + */ if (rsnd_io_is_play(io)) { struct rsnd_mod *src = rsnd_io_to_mod_src(io); @@ -470,8 +469,7 @@ static int rsnd_status_update(u32 *status, #define rsnd_dai_call(fn, io, param...) \ ({ \ - struct rsnd_priv *priv = rsnd_io_to_priv(io); \ - struct device *dev = rsnd_priv_to_dev(priv); \ + struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io)); \ struct rsnd_mod *mod; \ int is_play = rsnd_io_is_play(io); \ int ret = 0, i; \ @@ -532,6 +530,24 @@ static void rsnd_dai_disconnect(struct rsnd_mod *mod, io->mod[type] = NULL; } +int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai, + int max_channels) +{ + if (max_channels > 0) + rdai->max_channels = max_channels; + + return rdai->max_channels; +} + +int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai, + int ssi_lane) +{ + if (ssi_lane > 0) + rdai->ssi_lane = ssi_lane; + + return rdai->ssi_lane; +} + struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) { if ((id < 0) || (id >= rsnd_rdai_nr(priv))) @@ -707,9 +723,13 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, struct device *dev = rsnd_priv_to_dev(priv); switch (slots) { + case 2: case 6: + case 8: + case 16: /* TDM Extend Mode */ - rsnd_set_slot(rdai, slots, 1); + rsnd_rdai_channels_set(rdai, slots); + rsnd_rdai_ssi_lane_set(rdai, 1); break; default: dev_err(dev, "unsupported TDM slots (%d)\n", slots); @@ -719,13 +739,162 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, return 0; } +static unsigned int rsnd_soc_hw_channels_list[] = { + 2, 6, 8, 16, +}; + +static unsigned int rsnd_soc_hw_rate_list[] = { + 8000, + 11025, + 16000, + 22050, + 32000, + 44100, + 48000, + 64000, + 88200, + 96000, + 176400, + 192000, +}; + +static int rsnd_soc_hw_rule(struct rsnd_priv *priv, + unsigned int *list, int list_num, + struct snd_interval *baseline, struct snd_interval *iv) +{ + struct snd_interval p; + unsigned int rate; + int i; + + snd_interval_any(&p); + p.min = UINT_MAX; + p.max = 0; + + for (i = 0; i < list_num; i++) { + + if (!snd_interval_test(iv, list[i])) + continue; + + rate = rsnd_ssi_clk_query(priv, + 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, + baseline->max, list[i], NULL); + if (rate > 0) { + p.min = min(p.min, list[i]); + p.max = max(p.max, list[i]); + } + } + + return snd_interval_refine(iv, &p); +} + +static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + 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); + + /* + * possible sampling rate limitation is same as + * 2ch if it supports multi ssi + */ + ic = *ic_; + if (1 < rsnd_rdai_ssi_lane_get(rdai)) { + ic.min = 2; + ic.max = 2; + } + + return rsnd_soc_hw_rule(priv, rsnd_soc_hw_rate_list, + ARRAY_SIZE(rsnd_soc_hw_rate_list), + &ic, ir); +} + + +static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + 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); + + /* + * possible sampling rate limitation is same as + * 2ch if it supports multi ssi + */ + ic = *ic_; + if (1 < rsnd_rdai_ssi_lane_get(rdai)) { + ic.min = 2; + ic.max = 2; + } + + return rsnd_soc_hw_rule(priv, rsnd_soc_hw_channels_list, + ARRAY_SIZE(rsnd_soc_hw_channels_list), + ir, &ic); +} + +static void rsnd_soc_hw_constraint(struct snd_pcm_runtime *runtime, + struct snd_soc_dai *dai) +{ + struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); + struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint; + unsigned int max_channels = rsnd_rdai_channels_get(rdai); + int i; + + /* + * Channel Limitation + * It depends on Platform design + */ + constraint->list = rsnd_soc_hw_channels_list; + constraint->count = 0; + constraint->mask = 0; + + for (i = 0; i < ARRAY_SIZE(rsnd_soc_hw_channels_list); i++) { + if (rsnd_soc_hw_channels_list[i] > max_channels) + break; + constraint->count = i + 1; + } + + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, constraint); + + /* + * Sampling Rate / Channel Limitation + * It depends on Clock Master Mode + */ + if (!rsnd_rdai_is_clk_master(rdai)) + return; + + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + rsnd_soc_hw_rule_rate, dai, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + rsnd_soc_hw_rule_channels, dai, + SNDRV_PCM_HW_PARAM_RATE, -1); +} + static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); + struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); int ret; + /* rsnd_io_to_runtime() is not yet enabled here */ + rsnd_soc_hw_constraint(substream->runtime, dai); + /* * call rsnd_dai_call without spinlock */ @@ -740,6 +909,7 @@ static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); + struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); /* @@ -847,7 +1017,7 @@ static void __rsnd_dai_probe(struct rsnd_priv *priv, drv->playback.rates = RSND_RATES; drv->playback.formats = RSND_FMTS; drv->playback.channels_min = 2; - drv->playback.channels_max = 6; + drv->playback.channels_max = 16; drv->playback.stream_name = rdai->playback.name; snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, @@ -855,12 +1025,13 @@ static void __rsnd_dai_probe(struct rsnd_priv *priv, drv->capture.rates = RSND_RATES; drv->capture.formats = RSND_FMTS; drv->capture.channels_min = 2; - drv->capture.channels_max = 6; + drv->capture.channels_max = 16; drv->capture.stream_name = rdai->capture.name; rdai->playback.rdai = rdai; rdai->capture.rdai = rdai; - rsnd_set_slot(rdai, 2, 1); /* default */ + rsnd_rdai_channels_set(rdai, 2); /* default 2ch */ + rsnd_rdai_ssi_lane_set(rdai, 1); /* default 1lane */ for (io_i = 0;; io_i++) { playback = of_parse_phandle(dai_np, "playback", io_i); @@ -1047,6 +1218,9 @@ static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); int i, change = 0; + if (!cfg->accept(cfg->io)) + return 0; + for (i = 0; i < cfg->size; i++) { if (cfg->texts) { change |= (uc->value.enumerated.item[i] != cfg->val[i]); @@ -1063,6 +1237,18 @@ static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, return change; } +int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io) +{ + return 1; +} + +int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io) +{ + struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); + + return !!runtime; +} + struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg) { cfg->cfg.val = cfg->val; @@ -1081,6 +1267,7 @@ int rsnd_kctrl_new(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_soc_pcm_runtime *rtd, const unsigned char *name, + int (*accept)(struct rsnd_dai_stream *io), void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod), struct rsnd_kctrl_cfg *cfg, @@ -1115,6 +1302,7 @@ int rsnd_kctrl_new(struct rsnd_mod *mod, cfg->texts = texts; cfg->max = max; cfg->size = size; + cfg->accept = accept; cfg->update = update; cfg->card = card; cfg->kctrl = kctrl; @@ -1346,7 +1534,7 @@ static int rsnd_resume(struct device *dev) return 0; } -static struct dev_pm_ops rsnd_pm_ops = { +static const struct dev_pm_ops rsnd_pm_ops = { .suspend = rsnd_suspend, .resume = rsnd_resume, }; |