/*
- * Renesas R-Car SCU support
+ * Renesas R-Car SRC support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*/
#include "rsnd.h"
-struct rsnd_scu {
- struct rsnd_scu_platform_info *info; /* rcar_snd.h */
+struct rsnd_src {
+ struct rsnd_src_platform_info *info; /* rcar_snd.h */
struct rsnd_mod mod;
struct clk *clk;
};
-#define RSND_SCU_NAME_SIZE 16
+#define RSND_SRC_NAME_SIZE 16
/*
* ADINR
#define OTBL_18 (6 << 16)
#define OTBL_16 (8 << 16)
-#define rsnd_scu_mode_flags(p) ((p)->info->flags)
-#define rsnd_scu_convert_rate(p) ((p)->info->convert_rate)
-#define rsnd_mod_to_scu(_mod) \
- container_of((_mod), struct rsnd_scu, mod)
-#define rsnd_scu_hpbif_is_enable(scu) \
- (rsnd_scu_mode_flags(scu) & RSND_SCU_USE_HPBIF)
-#define rsnd_scu_dma_available(scu) \
- rsnd_dma_available(rsnd_mod_to_dma(&(scu)->mod))
+#define rsnd_src_mode_flags(p) ((p)->info->flags)
+#define rsnd_src_convert_rate(p) ((p)->info->convert_rate)
+#define rsnd_mod_to_src(_mod) \
+ container_of((_mod), struct rsnd_src, mod)
+#define rsnd_src_hpbif_is_enable(src) \
+ (rsnd_src_mode_flags(src) & RSND_SCU_USE_HPBIF)
+#define rsnd_src_dma_available(src) \
+ rsnd_dma_available(rsnd_mod_to_dma(&(src)->mod))
-#define for_each_rsnd_scu(pos, priv, i) \
+#define for_each_rsnd_src(pos, priv, i) \
for ((i) = 0; \
- ((i) < rsnd_scu_nr(priv)) && \
- ((pos) = (struct rsnd_scu *)(priv)->scu + i); \
+ ((i) < rsnd_src_nr(priv)) && \
+ ((pos) = (struct rsnd_src *)(priv)->src + i); \
i++)
*/
/*
- * scu.c is caring...
+ * src.c is caring...
*
* Gen1
*
*
* Gen2
*
- * [mem] -> [SCU] -> [SSIU] -> [SSI]
+ * [mem] -> [SRC] -> [SSIU] -> [SSI]
* |-----------------|
*/
* but SRC bypass mode needs SSI_MODE0 only.
*
* This driver request
- * struct rsnd_scu_platform_info {
+ * struct rsnd_src_platform_info {
* u32 flags;
* u32 convert_rate;
* }
*
- * rsnd_scu_hpbif_is_enable() will be true
- * if flags had RSND_SCU_USE_HPBIF,
+ * rsnd_src_hpbif_is_enable() will be true
+ * if flags had RSND_SRC_USE_HPBIF,
* and it controls whether SSIU is used or not.
*
- * rsnd_scu_convert_rate() indicates
+ * rsnd_src_convert_rate() indicates
* above convert_rate, and it controls
* whether SRC is used or not.
*
* ex) doesn't use SRC
- * struct rsnd_scu_platform_info info = {
+ * struct rsnd_src_platform_info info = {
* .flags = 0,
* .convert_rate = 0,
* };
*
* ex) uses SRC
- * struct rsnd_scu_platform_info info = {
- * .flags = RSND_SCU_USE_HPBIF,
+ * struct rsnd_src_platform_info info = {
+ * .flags = RSND_SRC_USE_HPBIF,
* .convert_rate = 48000,
* };
*
* ex) uses SRC bypass mode
- * struct rsnd_scu_platform_info info = {
- * .flags = RSND_SCU_USE_HPBIF,
+ * struct rsnd_src_platform_info info = {
+ * .flags = RSND_SRC_USE_HPBIF,
* .convert_rate = 0,
* };
*
/*
* Gen1/Gen2 common functions
*/
-int rsnd_scu_ssi_mode_init(struct rsnd_mod *ssi_mod,
+int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
- struct rsnd_mod *scu_mod = rsnd_io_to_mod_scu(io);
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
int ssi_id = rsnd_mod_id(ssi_mod);
- int has_scu = 0;
+ int has_src = 0;
/*
* SSI_MODE0
*/
if (info->dai_info) {
- has_scu = !!scu_mod;
+ has_src = !!src_mod;
} else {
- struct rsnd_scu *scu = rsnd_mod_to_scu(scu_mod);
- has_scu = rsnd_scu_hpbif_is_enable(scu);
+ struct rsnd_src *src = rsnd_mod_to_src(src_mod);
+ has_src = rsnd_src_hpbif_is_enable(src);
}
rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id),
- has_scu ? 0 : (1 << ssi_id));
+ has_src ? 0 : (1 << ssi_id));
/*
* SSI_MODE1
return 0;
}
-int rsnd_scu_enable_ssi_irq(struct rsnd_mod *ssi_mod,
+int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
return 0;
}
-unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
+unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
struct rsnd_dai_stream *io,
struct snd_pcm_runtime *runtime)
{
- struct rsnd_scu *scu;
+ struct rsnd_src *src;
unsigned int rate;
- scu = rsnd_mod_to_scu(rsnd_io_to_mod_scu(io));
+ src = rsnd_mod_to_src(rsnd_io_to_mod_src(io));
/*
* return convert rate if SRC is used,
* otherwise, return runtime->rate as usual
*/
- rate = rsnd_scu_convert_rate(scu);
+ rate = rsnd_src_convert_rate(src);
if (!rate)
rate = runtime->rate;
return rate;
}
-static int rsnd_scu_set_convert_rate(struct rsnd_mod *mod,
+static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
- u32 convert_rate = rsnd_scu_convert_rate(scu);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
u32 adinr = runtime->channels;
u32 fsrate = 0;
/*
* Initialize the operation of the SRC internal circuits
- * see rsnd_scu_start()
+ * see rsnd_src_start()
*/
rsnd_mod_write(mod, SRC_SRCIR, 1);
return 0;
}
-static int rsnd_scu_init(struct rsnd_mod *mod,
+static int rsnd_src_init(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
- clk_enable(scu->clk);
+ clk_enable(src->clk);
return 0;
}
-static int rsnd_scu_quit(struct rsnd_mod *mod,
+static int rsnd_src_quit(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
- clk_disable(scu->clk);
+ clk_disable(src->clk);
return 0;
}
-static int rsnd_scu_start(struct rsnd_mod *mod,
+static int rsnd_src_start(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
/*
* Cancel the initialization and operate the SRC function
- * see rsnd_scu_set_convert_rate()
+ * see rsnd_src_set_convert_rate()
*/
rsnd_mod_write(mod, SRC_SRCIR, 0);
- if (rsnd_scu_convert_rate(scu))
+ if (rsnd_src_convert_rate(src))
rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
return 0;
}
-static int rsnd_scu_stop(struct rsnd_mod *mod,
+static int rsnd_src_stop(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
- if (rsnd_scu_convert_rate(scu))
+ if (rsnd_src_convert_rate(src))
rsnd_mod_write(mod, SRC_ROUTE_MODE0, 0);
return 0;
}
-static struct rsnd_mod_ops rsnd_scu_non_ops = {
- .name = "scu (non)",
+static struct rsnd_mod_ops rsnd_src_non_ops = {
+ .name = "src (non)",
};
/*
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct scu_route_config {
+ struct src_route_config {
u32 mask;
int shift;
} routes[] = {
return 0;
}
-static int rsnd_scu_set_convert_timing_gen1(struct rsnd_mod *mod,
+static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
- u32 convert_rate = rsnd_scu_convert_rate(scu);
+ u32 convert_rate = rsnd_src_convert_rate(src);
u32 mask;
u32 val;
int shift;
return 0;
}
-static int rsnd_scu_set_convert_rate_gen1(struct rsnd_mod *mod,
+static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
int ret;
- ret = rsnd_scu_set_convert_rate(mod, rdai, io);
+ ret = rsnd_src_set_convert_rate(mod, rdai, io);
if (ret < 0)
return ret;
return 0;
}
-static int rsnd_scu_init_gen1(struct rsnd_mod *mod,
+static int rsnd_src_init_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
int ret;
- ret = rsnd_scu_init(mod, rdai, io);
+ ret = rsnd_src_init(mod, rdai, io);
if (ret < 0)
return ret;
if (ret < 0)
return ret;
- ret = rsnd_scu_set_convert_rate_gen1(mod, rdai, io);
+ ret = rsnd_src_set_convert_rate_gen1(mod, rdai, io);
if (ret < 0)
return ret;
- ret = rsnd_scu_set_convert_timing_gen1(mod, rdai, io);
+ ret = rsnd_src_set_convert_timing_gen1(mod, rdai, io);
if (ret < 0)
return ret;
return 0;
}
-static int rsnd_scu_start_gen1(struct rsnd_mod *mod,
+static int rsnd_src_start_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id));
- return rsnd_scu_start(mod, rdai, io);
+ return rsnd_src_start(mod, rdai, io);
}
-static int rsnd_scu_stop_gen1(struct rsnd_mod *mod,
+static int rsnd_src_stop_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0);
- return rsnd_scu_stop(mod, rdai, io);
+ return rsnd_src_stop(mod, rdai, io);
}
-static struct rsnd_mod_ops rsnd_scu_gen1_ops = {
+static struct rsnd_mod_ops rsnd_src_gen1_ops = {
.name = "sru (gen1)",
- .init = rsnd_scu_init_gen1,
- .quit = rsnd_scu_quit,
- .start = rsnd_scu_start_gen1,
- .stop = rsnd_scu_stop_gen1,
+ .init = rsnd_src_init_gen1,
+ .quit = rsnd_src_quit,
+ .start = rsnd_src_start_gen1,
+ .stop = rsnd_src_stop_gen1,
};
/*
* Gen2 functions
*/
-static int rsnd_scu_set_convert_rate_gen2(struct rsnd_mod *mod,
+static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
int ret;
- ret = rsnd_scu_set_convert_rate(mod, rdai, io);
+ ret = rsnd_src_set_convert_rate(mod, rdai, io);
if (ret < 0)
return ret;
return 0;
}
-static int rsnd_scu_set_convert_timing_gen2(struct rsnd_mod *mod,
+static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
- u32 convert_rate = rsnd_scu_convert_rate(scu);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
int ret;
if (convert_rate)
return ret;
}
-static int rsnd_scu_probe_gen2(struct rsnd_mod *mod,
+static int rsnd_src_probe_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod));
struct device *dev = rsnd_priv_to_dev(priv);
int ret;
int is_play;
if (info->dai_info)
- is_play = rsnd_info_is_playback(priv, scu);
+ is_play = rsnd_info_is_playback(priv, src);
else
is_play = rsnd_ssi_is_play(ssi);
ret = rsnd_dma_init(priv,
rsnd_mod_to_dma(mod),
is_play,
- scu->info->dma_id);
+ src->info->dma_id);
if (ret < 0)
- dev_err(dev, "SCU DMA failed\n");
+ dev_err(dev, "SRC DMA failed\n");
return ret;
}
-static int rsnd_scu_remove_gen2(struct rsnd_mod *mod,
+static int rsnd_src_remove_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
return 0;
}
-static int rsnd_scu_init_gen2(struct rsnd_mod *mod,
+static int rsnd_src_init_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
int ret;
- ret = rsnd_scu_init(mod, rdai, io);
+ ret = rsnd_src_init(mod, rdai, io);
if (ret < 0)
return ret;
- ret = rsnd_scu_set_convert_rate_gen2(mod, rdai, io);
+ ret = rsnd_src_set_convert_rate_gen2(mod, rdai, io);
if (ret < 0)
return ret;
- ret = rsnd_scu_set_convert_timing_gen2(mod, rdai, io);
+ ret = rsnd_src_set_convert_timing_gen2(mod, rdai, io);
if (ret < 0)
return ret;
return 0;
}
-static int rsnd_scu_start_gen2(struct rsnd_mod *mod,
+static int rsnd_src_start_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
- rsnd_dma_start(rsnd_mod_to_dma(&scu->mod));
+ rsnd_dma_start(rsnd_mod_to_dma(&src->mod));
rsnd_mod_write(mod, SSI_CTRL, 0x1);
rsnd_mod_write(mod, SRC_CTRL, 0x11);
- return rsnd_scu_start(mod, rdai, io);
+ return rsnd_src_start(mod, rdai, io);
}
-static int rsnd_scu_stop_gen2(struct rsnd_mod *mod,
+static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
rsnd_mod_write(mod, SSI_CTRL, 0);
rsnd_mod_write(mod, SRC_CTRL, 0);
- rsnd_dma_stop(rsnd_mod_to_dma(&scu->mod));
+ rsnd_dma_stop(rsnd_mod_to_dma(&src->mod));
- return rsnd_scu_stop(mod, rdai, io);
+ return rsnd_src_stop(mod, rdai, io);
}
-static struct rsnd_mod_ops rsnd_scu_gen2_ops = {
- .name = "scu (gen2)",
- .probe = rsnd_scu_probe_gen2,
- .remove = rsnd_scu_remove_gen2,
- .init = rsnd_scu_init_gen2,
- .quit = rsnd_scu_quit,
- .start = rsnd_scu_start_gen2,
- .stop = rsnd_scu_stop_gen2,
+static struct rsnd_mod_ops rsnd_src_gen2_ops = {
+ .name = "src (gen2)",
+ .probe = rsnd_src_probe_gen2,
+ .remove = rsnd_src_remove_gen2,
+ .init = rsnd_src_init_gen2,
+ .quit = rsnd_src_quit,
+ .start = rsnd_src_start_gen2,
+ .stop = rsnd_src_stop_gen2,
};
-struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id)
+struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id)
{
- if (WARN_ON(id < 0 || id >= rsnd_scu_nr(priv)))
+ if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv)))
id = 0;
- return &((struct rsnd_scu *)(priv->scu) + id)->mod;
+ return &((struct rsnd_src *)(priv->src) + id)->mod;
}
-int rsnd_scu_probe(struct platform_device *pdev,
+int rsnd_src_probe(struct platform_device *pdev,
struct rsnd_priv *priv)
{
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_scu *scu;
+ struct rsnd_src *src;
struct rsnd_mod_ops *ops;
struct clk *clk;
- char name[RSND_SCU_NAME_SIZE];
+ char name[RSND_SRC_NAME_SIZE];
int i, nr;
/*
- * init SCU
+ * init SRC
*/
- nr = info->scu_info_nr;
+ nr = info->src_info_nr;
if (!nr)
return 0;
- scu = devm_kzalloc(dev, sizeof(*scu) * nr, GFP_KERNEL);
- if (!scu) {
- dev_err(dev, "SCU allocate failed\n");
+ src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL);
+ if (!src) {
+ dev_err(dev, "SRC allocate failed\n");
return -ENOMEM;
}
- priv->scu_nr = nr;
- priv->scu = scu;
+ priv->src_nr = nr;
+ priv->src = src;
- for_each_rsnd_scu(scu, priv, i) {
- snprintf(name, RSND_SCU_NAME_SIZE, "scu.%d", i);
+ for_each_rsnd_src(src, priv, i) {
+ snprintf(name, RSND_SRC_NAME_SIZE, "src.%d", i);
clk = devm_clk_get(dev, name);
+ if (IS_ERR(clk)) {
+ snprintf(name, RSND_SRC_NAME_SIZE, "scu.%d", i);
+ clk = devm_clk_get(dev, name);
+ }
+
if (IS_ERR(clk))
return PTR_ERR(clk);
- scu->info = &info->scu_info[i];
- scu->clk = clk;
+ src->info = &info->src_info[i];
+ src->clk = clk;
- ops = &rsnd_scu_non_ops;
- if (rsnd_scu_hpbif_is_enable(scu)) {
+ ops = &rsnd_src_non_ops;
+ if (rsnd_src_hpbif_is_enable(src)) {
if (rsnd_is_gen1(priv))
- ops = &rsnd_scu_gen1_ops;
+ ops = &rsnd_src_gen1_ops;
if (rsnd_is_gen2(priv))
- ops = &rsnd_scu_gen2_ops;
+ ops = &rsnd_src_gen2_ops;
}
- rsnd_mod_init(priv, &scu->mod, ops, RSND_MOD_SCU, i);
+ rsnd_mod_init(priv, &src->mod, ops, RSND_MOD_SRC, i);
- dev_dbg(dev, "SCU%d probed\n", i);
+ dev_dbg(dev, "SRC%d probed\n", i);
}
return 0;
projects / platform / kernel / linux-stable.git / commitdiff