-/*
- * Renesas R-Car SRU/SCU/SSIU/SSI support
- *
- * Copyright (C) 2013 Renesas Solutions Corp.
- * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- *
- * Based on fsi.c
- * Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// Renesas R-Car SRU/SCU/SSIU/SSI support
+//
+// Copyright (C) 2013 Renesas Solutions Corp.
+// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+//
+// Based on fsi.c
+// Kuninori Morimoto <morimoto.kuninori@renesas.com>
/*
* Renesas R-Car sound device structure
#include "rsnd.h"
#define RSND_RATES SNDRV_PCM_RATE_8000_192000
-#define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
+#define RSND_FMTS (SNDRV_PCM_FMTBIT_S8 |\
+ SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
static const struct of_device_id rsnd_of_match[] = {
{ .compatible = "renesas,rcar_sound-gen1", .data = (void *)RSND_GEN1 },
struct device *dev = rsnd_priv_to_dev(priv);
switch (snd_pcm_format_width(runtime->format)) {
+ case 8:
+ return 16 << 16;
case 16:
return 8 << 16;
case 24:
target = cmd ? cmd : ssiu;
}
- /* Non target mod or 24bit data needs normal DALIGN */
+ /* Non target mod or non 16bit needs normal DALIGN */
if ((snd_pcm_format_width(runtime->format) != 16) ||
(mod != target))
return 0x76543210;
* HW 24bit data is located as 0x******00
*
*/
- if (snd_pcm_format_width(runtime->format) == 16)
+ if (snd_pcm_format_width(runtime->format) != 24)
return 0;
for (i = 0; i < ARRAY_SIZE(playback_mods); i++) {
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)))
return priv->rdai + id;
}
+static struct snd_soc_dai_driver
+*rsnd_daidrv_get(struct rsnd_priv *priv, int id)
+{
+ if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
+ return NULL;
+
+ return priv->daidrv + id;
+}
+
#define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai)
static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
{
rdai->frm_clk_inv = 0;
break;
case SND_SOC_DAIFMT_LEFT_J:
+ case SND_SOC_DAIFMT_DSP_B:
rdai->sys_delay = 1;
rdai->data_alignment = 0;
rdai->frm_clk_inv = 1;
rdai->data_alignment = 1;
rdai->frm_clk_inv = 1;
break;
+ case SND_SOC_DAIFMT_DSP_A:
+ rdai->sys_delay = 0;
+ rdai->data_alignment = 0;
+ rdai->frm_clk_inv = 1;
+ break;
}
/* set clock inversion */
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:
/* 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);
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)
{
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]);
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,
- int is_play)
+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);
- struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture;
+ struct rsnd_dai_stream *io = rule->private;
+ struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
/*
* possible sampling rate limitation is same as
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);
}
-static int rsnd_soc_hw_rule_rate_playback(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
-{
- return __rsnd_soc_hw_rule_rate(params, rule, 1);
-}
-
-static int rsnd_soc_hw_rule_rate_capture(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
-{
- return __rsnd_soc_hw_rule_rate(params, rule, 0);
-}
-
-static int __rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule,
- int is_play)
+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);
- struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture;
+ struct rsnd_dai_stream *io = rule->private;
+ struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
/*
* possible sampling rate limitation is same as
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);
}
-static int rsnd_soc_hw_rule_channels_playback(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
-{
- return __rsnd_soc_hw_rule_channels(params, rule, 1);
-}
-
-static int rsnd_soc_hw_rule_channels_capture(struct snd_pcm_hw_params *params,
- struct snd_pcm_hw_rule *rule)
-{
- return __rsnd_soc_hw_rule_channels(params, rule, 0);
-}
-
static const struct snd_pcm_hardware rsnd_pcm_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP |
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);
struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint;
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int max_channels = rsnd_rdai_channels_get(rdai);
- int ret;
int i;
rsnd_dai_stream_init(io, substream);
int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
- is_play ? rsnd_soc_hw_rule_rate_playback :
- rsnd_soc_hw_rule_rate_capture,
- dai,
+ rsnd_soc_hw_rule_rate,
+ is_play ? &rdai->playback : &rdai->capture,
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
- is_play ? rsnd_soc_hw_rule_channels_playback :
- rsnd_soc_hw_rule_channels_capture,
- dai,
+ rsnd_soc_hw_rule_channels,
+ is_play ? &rdai->playback : &rdai->capture,
SNDRV_PCM_HW_PARAM_RATE, -1);
}
- /*
- * call rsnd_dai_call without spinlock
- */
- ret = rsnd_dai_call(nolock_start, io, priv);
- if (ret < 0)
- rsnd_dai_call(nolock_stop, io, priv);
-
- return ret;
+ return 0;
}
static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
/*
* call rsnd_dai_call without spinlock
*/
- rsnd_dai_call(nolock_stop, io, priv);
+ rsnd_dai_call(cleanup, io, priv);
rsnd_dai_stream_quit(io);
}
+static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
+ struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+ struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
+
+ return rsnd_dai_call(prepare, io, priv);
+}
+
static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
.startup = rsnd_soc_dai_startup,
.shutdown = rsnd_soc_dai_shutdown,
.trigger = rsnd_soc_dai_trigger,
.set_fmt = rsnd_soc_dai_set_fmt,
.set_tdm_slot = rsnd_soc_set_dai_tdm_slot,
+ .prepare = rsnd_soc_dai_prepare,
};
void rsnd_parse_connect_common(struct rsnd_dai *rdai,
int io_i;
rdai = rsnd_rdai_get(priv, dai_i);
- drv = priv->daidrv + dai_i;
+ drv = rsnd_daidrv_get(priv, dai_i);
io_playback = &rdai->playback;
io_capture = &rdai->capture;
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);
of_node_put(capture);
}
+ if (rsnd_ssi_is_pin_sharing(io_capture) ||
+ rsnd_ssi_is_pin_sharing(io_playback)) {
+ /* should have symmetric_rates if pin sharing */
+ drv->symmetric_rates = 1;
+ }
+
dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ",
rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- ");
int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io)
{
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);
- return !!runtime;
+ if (!runtime) {
+ dev_warn(dev, "Can't update kctrl when idle\n");
+ return 0;
+ }
+
+ return 1;
}
struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg)
};
module_platform_driver(rsnd_driver);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Renesas R-Car audio driver");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
MODULE_ALIAS("platform:rcar-pcm-audio");
projects / linux-2.6-microblaze.git / blobdiff