summaryrefslogtreecommitdiff
path: root/sound/soc/sh/rcar/dvc.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /sound/soc/sh/rcar/dvc.c
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
-rw-r--r--sound/soc/sh/rcar/dvc.c273
1 files changed, 145 insertions, 128 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 58f690900..d45ffe496 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -15,7 +15,6 @@
#define DVC_NAME "dvc"
struct rsnd_dvc {
- struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
struct rsnd_mod mod;
struct rsnd_kctrl_cfg_m volume;
struct rsnd_kctrl_cfg_m mute;
@@ -24,6 +23,7 @@ struct rsnd_dvc {
struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */
};
+#define rsnd_dvc_get(priv, id) ((struct rsnd_dvc *)(priv->dvc) + id)
#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
#define rsnd_dvc_of_node(priv) \
of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc")
@@ -64,79 +64,142 @@ static const char * const dvc_ramp_rate[] = {
"0.125 dB/8192 steps", /* 10111 */
};
-static void rsnd_dvc_soft_reset(struct rsnd_mod *mod)
+static void rsnd_dvc_activation(struct rsnd_mod *mod)
{
rsnd_mod_write(mod, DVC_SWRSR, 0);
rsnd_mod_write(mod, DVC_SWRSR, 1);
}
-#define rsnd_dvc_initialize_lock(mod) __rsnd_dvc_initialize_lock(mod, 1)
-#define rsnd_dvc_initialize_unlock(mod) __rsnd_dvc_initialize_lock(mod, 0)
-static void __rsnd_dvc_initialize_lock(struct rsnd_mod *mod, u32 enable)
+static void rsnd_dvc_halt(struct rsnd_mod *mod)
{
- rsnd_mod_write(mod, DVC_DVUIR, enable);
+ rsnd_mod_write(mod, DVC_DVUIR, 1);
+ rsnd_mod_write(mod, DVC_SWRSR, 0);
}
-static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod)
+#define rsnd_dvc_get_vrpdr(dvc) (dvc->rup.val << 8 | dvc->rdown.val)
+#define rsnd_dvc_get_vrdbr(dvc) (0x3ff - (dvc->volume.val[0] >> 13))
+
+static void rsnd_dvc_volume_parameter(struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod)
{
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
u32 val[RSND_DVC_CHANNELS];
- u32 dvucr = 0;
- u32 mute = 0;
int i;
- for (i = 0; i < dvc->mute.cfg.size; i++)
- mute |= (!!dvc->mute.cfg.val[i]) << i;
+ /* Enable Ramp */
+ if (dvc->ren.val)
+ for (i = 0; i < RSND_DVC_CHANNELS; i++)
+ val[i] = dvc->volume.cfg.max;
+ else
+ for (i = 0; i < RSND_DVC_CHANNELS; i++)
+ val[i] = dvc->volume.val[i];
- /* Disable DVC Register access */
- rsnd_mod_write(mod, DVC_DVUER, 0);
+ /* Enable Digital Volume */
+ rsnd_mod_write(mod, DVC_VOL0R, val[0]);
+ rsnd_mod_write(mod, DVC_VOL1R, val[1]);
+ rsnd_mod_write(mod, DVC_VOL2R, val[2]);
+ rsnd_mod_write(mod, DVC_VOL3R, val[3]);
+ rsnd_mod_write(mod, DVC_VOL4R, val[4]);
+ rsnd_mod_write(mod, DVC_VOL5R, val[5]);
+ rsnd_mod_write(mod, DVC_VOL6R, val[6]);
+ rsnd_mod_write(mod, DVC_VOL7R, val[7]);
+}
+
+static void rsnd_dvc_volume_init(struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ u32 adinr = 0;
+ u32 dvucr = 0;
+ u32 vrctr = 0;
+ u32 vrpdr = 0;
+ u32 vrdbr = 0;
+
+ adinr = rsnd_get_adinr_bit(mod, io) |
+ rsnd_get_adinr_chan(mod, io);
+
+ /* Enable Digital Volume, Zero Cross Mute Mode */
+ dvucr |= 0x101;
/* Enable Ramp */
if (dvc->ren.val) {
dvucr |= 0x10;
- /* Digital Volume Max */
- for (i = 0; i < RSND_DVC_CHANNELS; i++)
- val[i] = dvc->volume.cfg.max;
-
- rsnd_mod_write(mod, DVC_VRCTR, 0xff);
- rsnd_mod_write(mod, DVC_VRPDR, dvc->rup.val << 8 |
- dvc->rdown.val);
/*
* FIXME !!
* use scale-downed Digital Volume
* as Volume Ramp
* 7F FFFF -> 3FF
*/
- rsnd_mod_write(mod, DVC_VRDBR,
- 0x3ff - (dvc->volume.val[0] >> 13));
-
- } else {
- for (i = 0; i < RSND_DVC_CHANNELS; i++)
- val[i] = dvc->volume.val[i];
+ vrctr = 0xff;
+ vrpdr = rsnd_dvc_get_vrpdr(dvc);
+ vrdbr = rsnd_dvc_get_vrdbr(dvc);
}
- /* Enable Digital Volume */
- dvucr |= 0x100;
- rsnd_mod_write(mod, DVC_VOL0R, val[0]);
- rsnd_mod_write(mod, DVC_VOL1R, val[1]);
+ /* Initialize operation */
+ rsnd_mod_write(mod, DVC_DVUIR, 1);
+
+ /* General Information */
+ rsnd_mod_write(mod, DVC_ADINR, adinr);
+ rsnd_mod_write(mod, DVC_DVUCR, dvucr);
+
+ /* Volume Ramp Parameter */
+ rsnd_mod_write(mod, DVC_VRCTR, vrctr);
+ rsnd_mod_write(mod, DVC_VRPDR, vrpdr);
+ rsnd_mod_write(mod, DVC_VRDBR, vrdbr);
+
+ /* Digital Volume Function Parameter */
+ rsnd_dvc_volume_parameter(io, mod);
+
+ /* cancel operation */
+ rsnd_mod_write(mod, DVC_DVUIR, 0);
+}
+
+static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ u32 zcmcr = 0;
+ u32 vrpdr = 0;
+ u32 vrdbr = 0;
+ int i;
+
+ for (i = 0; i < dvc->mute.cfg.size; i++)
+ zcmcr |= (!!dvc->mute.cfg.val[i]) << i;
- /* Enable Mute */
- if (mute) {
- dvucr |= 0x1;
- rsnd_mod_write(mod, DVC_ZCMCR, mute);
+ if (dvc->ren.val) {
+ vrpdr = rsnd_dvc_get_vrpdr(dvc);
+ vrdbr = rsnd_dvc_get_vrdbr(dvc);
}
- rsnd_mod_write(mod, DVC_DVUCR, dvucr);
+ /* Disable DVC Register access */
+ rsnd_mod_write(mod, DVC_DVUER, 0);
+
+ /* Zero Cross Mute Function */
+ rsnd_mod_write(mod, DVC_ZCMCR, zcmcr);
+
+ /* Volume Ramp Function */
+ rsnd_mod_write(mod, DVC_VRPDR, vrpdr);
+ rsnd_mod_write(mod, DVC_VRDBR, vrdbr);
+ /* add DVC_VRWTR here */
+
+ /* Digital Volume Function Parameter */
+ rsnd_dvc_volume_parameter(io, mod);
/* Enable DVC Register access */
rsnd_mod_write(mod, DVC_DVUER, 1);
}
-static int rsnd_dvc_remove_gen2(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
+static int rsnd_dvc_probe_(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ struct rsnd_priv *priv)
+{
+ return rsnd_cmd_attach(io, rsnd_mod_id(mod));
+}
+
+static int rsnd_dvc_remove_(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ struct rsnd_priv *priv)
{
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
@@ -155,19 +218,12 @@ static int rsnd_dvc_init(struct rsnd_mod *mod,
{
rsnd_mod_power_on(mod);
- rsnd_dvc_soft_reset(mod);
-
- rsnd_dvc_initialize_lock(mod);
-
- rsnd_path_parse(priv, io);
+ rsnd_dvc_activation(mod);
- rsnd_mod_write(mod, DVC_ADINR, rsnd_get_adinr_bit(mod, io));
+ rsnd_dvc_volume_init(io, mod);
- /* ch0/ch1 Volume */
rsnd_dvc_volume_update(io, mod);
- rsnd_adg_set_cmd_timsel_gen2(mod, io);
-
return 0;
}
@@ -175,27 +231,9 @@ static int rsnd_dvc_quit(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
- rsnd_mod_power_off(mod);
+ rsnd_dvc_halt(mod);
- return 0;
-}
-
-static int rsnd_dvc_start(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
-{
- rsnd_dvc_initialize_unlock(mod);
-
- rsnd_mod_write(mod, CMD_CTRL, 0x10);
-
- return 0;
-}
-
-static int rsnd_dvc_stop(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
-{
- rsnd_mod_write(mod, CMD_CTRL, 0);
+ rsnd_mod_power_off(mod);
return 0;
}
@@ -206,6 +244,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
{
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
int is_play = rsnd_io_is_play(io);
+ int slots = rsnd_get_slot(io);
int ret;
/* Volume */
@@ -213,7 +252,8 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
is_play ?
"DVC Out Playback Volume" : "DVC In Capture Volume",
rsnd_dvc_volume_update,
- &dvc->volume, 0x00800000 - 1);
+ &dvc->volume, slots,
+ 0x00800000 - 1);
if (ret < 0)
return ret;
@@ -222,7 +262,8 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
is_play ?
"DVC Out Mute Switch" : "DVC In Mute Switch",
rsnd_dvc_volume_update,
- &dvc->mute, 1);
+ &dvc->mute, slots,
+ 1);
if (ret < 0)
return ret;
@@ -269,11 +310,10 @@ static struct dma_chan *rsnd_dvc_dma_req(struct rsnd_dai_stream *io,
static struct rsnd_mod_ops rsnd_dvc_ops = {
.name = DVC_NAME,
.dma_req = rsnd_dvc_dma_req,
- .remove = rsnd_dvc_remove_gen2,
+ .probe = rsnd_dvc_probe_,
+ .remove = rsnd_dvc_remove_,
.init = rsnd_dvc_init,
.quit = rsnd_dvc_quit,
- .start = rsnd_dvc_start,
- .stop = rsnd_dvc_stop,
.pcm_new = rsnd_dvc_pcm_new,
};
@@ -282,50 +322,13 @@ struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
if (WARN_ON(id < 0 || id >= rsnd_dvc_nr(priv)))
id = 0;
- return rsnd_mod_get((struct rsnd_dvc *)(priv->dvc) + id);
+ return rsnd_mod_get(rsnd_dvc_get(priv, id));
}
-static void rsnd_of_parse_dvc(struct platform_device *pdev,
- const struct rsnd_of_data *of_data,
- struct rsnd_priv *priv)
+int rsnd_dvc_probe(struct rsnd_priv *priv)
{
struct device_node *node;
- struct rsnd_dvc_platform_info *dvc_info;
- struct rcar_snd_info *info = rsnd_priv_to_info(priv);
- struct device *dev = &pdev->dev;
- int nr;
-
- if (!of_data)
- return;
-
- node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
- if (!node)
- return;
-
- nr = of_get_child_count(node);
- if (!nr)
- goto rsnd_of_parse_dvc_end;
-
- dvc_info = devm_kzalloc(dev,
- sizeof(struct rsnd_dvc_platform_info) * nr,
- GFP_KERNEL);
- if (!dvc_info) {
- dev_err(dev, "dvc info allocation error\n");
- goto rsnd_of_parse_dvc_end;
- }
-
- info->dvc_info = dvc_info;
- info->dvc_info_nr = nr;
-
-rsnd_of_parse_dvc_end:
- of_node_put(node);
-}
-
-int rsnd_dvc_probe(struct platform_device *pdev,
- const struct rsnd_of_data *of_data,
- struct rsnd_priv *priv)
-{
- struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device_node *np;
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_dvc *dvc;
struct clk *clk;
@@ -336,40 +339,54 @@ int rsnd_dvc_probe(struct platform_device *pdev,
if (rsnd_is_gen1(priv))
return 0;
- rsnd_of_parse_dvc(pdev, of_data, priv);
+ node = rsnd_dvc_of_node(priv);
+ if (!node)
+ return 0; /* not used is not error */
- nr = info->dvc_info_nr;
- if (!nr)
- return 0;
+ nr = of_get_child_count(node);
+ if (!nr) {
+ ret = -EINVAL;
+ goto rsnd_dvc_probe_done;
+ }
dvc = devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL);
- if (!dvc)
- return -ENOMEM;
+ if (!dvc) {
+ ret = -ENOMEM;
+ goto rsnd_dvc_probe_done;
+ }
priv->dvc_nr = nr;
priv->dvc = dvc;
- for_each_rsnd_dvc(dvc, priv, i) {
+ i = 0;
+ ret = 0;
+ for_each_child_of_node(node, np) {
+ dvc = rsnd_dvc_get(priv, i);
+
snprintf(name, RSND_DVC_NAME_SIZE, "%s.%d",
DVC_NAME, i);
clk = devm_clk_get(dev, name);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
-
- dvc->info = &info->dvc_info[i];
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ goto rsnd_dvc_probe_done;
+ }
ret = rsnd_mod_init(priv, rsnd_mod_get(dvc), &rsnd_dvc_ops,
clk, RSND_MOD_DVC, i);
if (ret)
- return ret;
+ goto rsnd_dvc_probe_done;
+
+ i++;
}
- return 0;
+rsnd_dvc_probe_done:
+ of_node_put(node);
+
+ return ret;
}
-void rsnd_dvc_remove(struct platform_device *pdev,
- struct rsnd_priv *priv)
+void rsnd_dvc_remove(struct rsnd_priv *priv)
{
struct rsnd_dvc *dvc;
int i;